山西晋冶冶金设备制造有限公司设计Shanxi Shanxi Metallurgical Metallurgical Equipment Manufacturing Co., Ltd. Design

一.中成128高炉炼鎳铁工艺方案二.A. Into 128 blast furnace smelting nickel-iron technology program

炼鎳铁系统概述新建128m3高炉，主体车间包括车间内部原、燃料贮运、上料系统、炉顶装料设备、热风炉系统、炉体系统、风口平台、出铁场、粗煤气处理等。还设有鼓风机站、煤气干法除尘、槽上和地沟除尘等辅助工段。炉渣实行轮法或水冲渣处理。

本次设计的指导思想是：根据 的生产条件和技术上的可能，力求达到较好的技术效果，实现高产、优质、低耗、长寿的目的。设计中本着先进、可靠、实用的原则，认真地吸收采用国内128m3高炉上行之有效、实用的新技术新工艺等。

为了达到高炉“高产、优质、低耗、长寿”的目的，工艺设计主要围绕“精、灵、高、准、长、净”等方向进行工作。即精料，入炉原料含粉率≤ 5％，入炉原料重量误差<1%；炉顶装料设备布料灵活；较高的炉顶压力，较高的风温水平；准确的计量、必要的检测手段；较长的炉体寿命，稳定的热风炉结构，确保高炉炉龄6年以上；“三废”综合治理，较洁净的环境条件。为达到上述要求，相应采取的主要技术措施和选用的主要工艺设备是：烧结矿、原块矿、焦炭全部筛分入炉，采用双钟炉顶空转螺旋布料器或谢式炉顶。如果采用双钟炉顶,为提高大小钟、斗的耐磨性，大小料钟、斗的接触面采用浸润碳化钨处理。供料、上料和炉顶装料设备全系统采用计算机控制。热风炉型式为球式热风炉，助燃空气预热到200℃，热风炉采用自动控制，实现自动换炉等。高炉炉体采用工业水冷却，冷却设备的材质和结构型式均相应采取一系列措施。炉缸、炉底采用自焙炭块－一级高铝复合炉衬,水冷炉底，并对各部分温度分布埋热电偶检测。高炉、热风炉采用两级计算机集散系统，取消常规仪表，实现数据自动处理，自动打印。槽上原料系统和槽下、上料系统设置布袋除尘设施，高炉冷风放风阀设置消音器，使排放气体的含尘量和噪音值控制在国家标准以内。A nickel refinery Rail System OverviewNew 128m3 blast furnace, the main workshop, including internal workshop of the original, fuel storage, feeding systems, roof loading equipment, hot stove, furnace systems, outlet platform, casthouse, the crude gas treatment. It also has a blower station, gas dry dust, slot and trench dust and other auxiliary Section. The slag implement round or flush slag processing.The design of the guiding ideology is: based on production conditions and technically possible, and strive to achieve better results, to achieve high-yield, high-quality, low power consumption, and longevity purposes. Design in the spirit of the principles of advanced, reliable, practical, absorption by domestic 128m3 blast furnace, effective, practical new technologies and processes.In order to achieve the purpose of blast furnace "high-yield, high-quality, low consumption, long life", the process design around the "fine spirit, high standards, a long net" direction of work. The fine material into the furnace raw material containing the powder rate ≤ 5%, into the furnace raw material weight error <1%; flexible fabric of top charging equipment; high top pressure, higher levels of air temperature; accurate measurement necessary means of detection; longer furnace life, stable hot stove structure to ensure that the blast furnace 6 years old; "three wastes" a comprehensive way, a cleaner environment conditions. Accordingly to meet these requirements, the main technical measures and selection of process equipment: the sintered ore, lump ore, coke and all screening into the furnace, double bell-less top spin spiral fabric or thank roof. Pairs of bell-less top, to improve the size of the bell, bucket wear resistance, the size of bell, fighting the contact surface of the infiltration of tungsten carbide processing. Feeding on materials and top charging equipment controlled by computer. The hot stove type ball type hot blast stove combustion air preheat to 200 ° C, the hot stove with automatic control, automatic change furnace. BF industrial water cooling, cooling equipment, materials and structure type corresponding to a series of measures. Hearth, hearth self-baking carbon block - a high alumina composite lining, water-cooled bottom, and each part of the temperature distribution of buried thermocouple detection. Blast furnace, hot stove with two computer distribution system, cancel the conventional instruments, and automatic data processing, automatic printing. Material system and slots in the slot, the feeding system set the bag dust removal facilities, blast furnace cold air vent valve to set the muffler, so that the dust content of exhaust gases and noise values to control less than the national standard.2

1.1. 128m3高炉设计主要技术经济指标128m3 高炉设计主要经济技术指标

序号 项目 单位 指标 备注1 高炉有效容积 m3 1282 年平均利用系数 t/m3d 3.53 年平均冶炼强度 t/m3d 1.9254 入炉焦比 kg/t-Fe 5505 烧结矿使用率 % 90～956 渣铁比 kg/t 4607 综合矿入炉品位 % 608 炉顶煤气压力 kPa 609 混合煤气CO2含量 ％ 1810 风温水平 ℃ 1100～115011 年工作日 日 35012 高炉一代寿命 年 6～8年

1.1 128m3 blast furnace design the main technical and economic indicators128m3 blast furnace design of main economic indicators

No. Item Unit Index Remarks

1 A blast furnace effective volume m3 128

2 2-year average utilization coefficient t/m3d 3.53 Three-year average smelting intensity t/m3d 1.9254 Coke ratio kg/t-Fe 550

5 Sinter usage % 90～956 Ratio of slag and iron kg/t 4607 Integrated ore into the furnace grade % 608 Top gas pressure kPa 609 Mixed-gas CO2 content % 1810 The level of air temperature ℃ 1100～115011 Of working days day 35012 Blast generation life years 6-8 years

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1.2. 规模及物料平衡1×128m3高炉年产炼钢生铁17万t/年,主要物料平衡如下

计算单位：万t/年1.2 Scale and Material Balance

1 × 128m3 blast furnace an annual output of steel-making pig iron, 170,000 t / year, mainly material balance as follows

Unit: million t / year

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1.3. 产品及副产品1.3.1. 生铁

高炉炉容128m3，设计利用系数3.5t/m3.d，年产炼钢生铁15万吨。1.3 products and related materials1.3.1. Pig ironBlast furnace capacity 128m3, designed to take advantage coefficient 3.5t/m3.d, an annual output of 150,000 tons of steel-making pig iron.

1.3.2. 副产品高炉生产的炉渣在炉前全部冲制成水渣，年产水渣约7.82万吨（含水率15％）高炉年煤气发生量约3.56～3.9万Nm3/h，热风炉烧炉自用约15000 Nm3/h，其余2.06～2.5万

Nm3/h，可供厂内其它用户使用。1.3.2. By-productsBlast furnace slag in the blast furnace all red made from water residue, residue of

about 78,200 tons annual output of water (moisture content 15%)The blast furnace-year gas occurred about 3.56 to 39 000 Nm3 / h, the hot stove

burning furnace-occupied about 15,000 Nm3 / h, 2.06 ~ 25000 Nm3 / h for the factory to other users.

1.4. 主要原燃料及消耗量1.4 The main raw material and fuel and consumption

1.4.1. 主要原料精料是高炉强化冶炼，稳产、高产的基础，获得良好经济效益的保证。烧结矿二元碱度R＝1.6～1.8，烧结矿粒度为5－50mm，其中<5mm粉未<5%，>50mm的粒级<10%，温度<100℃。128m3高炉保证95~100％左右的熟料率，年耗烧结矿、原块矿40万吨以上。高碱度烧结矿占90~95%，酸性原块矿矿占5~10%，稍加块矿作为调剂。 1.4.1. The main raw materialThe fine material is blast furnace intensive smelting, stable and high yield based on good economic guarantee. Sinter basicity R = 1.6 ~ 1.8, sinter particle size of 5-50mm, <5mm powder <5%,> 50mm grain size <10%, temperature <100 ° C. 128m3 blast furnace to ensure that the rate of about 95 to 100% of the clinker, the annual consumption of sinter, the original block of mine over 400,000 tons. The high basicity sinter accounted for 90 to 95%, the acidity of the original block ore accounted for 5 to 10 percent, a little lump ore swap.

1.4.2. 主要原燃料性能 5

高炉使用的原料是烧结矿、原块矿矿、块矿、石灰石、石英石、焦炭。高炉使用的烧结矿、原块矿矿为中加生产。块矿为进口矿。烧结矿、原块矿矿和块矿的综合入炉品位为57%。高炉用燃料为焦化厂自产焦炭。高炉所用燃料的化学成份和理化性能见附表。

高炉原料化学成份成份品名 原料化学成份（％）

Tfe FeO SiO2 CaO Al2O3 MgO MnO P 转鼓烧结矿 60 0.63 6.75 10.88 3.00 0.037 >86

原块矿矿 61 0.62 6.76 2.30 1.57 0.03

块 矿 59.75 4.69 2.92 0.025

石灰石 1.91 50.80 1.99

矽 石 91.05

焦炭性能指标：焦炭强度：M40>83%；M10<10%；灰分≤12.5%;S%≤0.6%;固定碳85%；粒度范围20－70mm。1.4.2 The main raw material and fuel performanceThe raw materials used in blast furnace is sinter, the original block of ore, lump ore, limestone, quartz stone, coke. Blast furnaces, sinter, the original block of ore to increase production. The lump ore imported ore. Sinter, the original block ore and lump ore into the furnace grade of 57%. Blast furnace coke for the coking plant production for fuel. Blast furnace fuel used in the chemical composition and physical and chemical properties of the Annex.Blast furnace raw material chemical composition

Ingredients Name Chemical composition of raw materials (%)Tfe FeO SiO2 CaO Al2O3 MgO MnO P 转鼓

Sinter 60 0.63 6.75 10.88 3.00 0.037 >86The original block of ore61 0.62 6.76 2.30 1.57 0.03Lump ore 59.75 4.69 2.92 0.025Limestone 1.91 50.80 1.99Silicon stone 91.05

Coke performance indicators:Coke strength: M40> 83%; M10 <10%;Ash ≤ 12.5%; S% ≤ 0.6%; 85% of fixed carbon;Particle size range 20-70mm.

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1.4.3. 主要原燃料消耗量各种原燃料使用量（入炉量）原燃料名称 单位 耗量矿石 Kg/t-Fe 1660

其中：烧结矿 Kg/t-Fe 1328

原块矿矿 Kg/t-Fe 300

块矿 Kg/t-Fe 32

焦炭 Kg/t-Fe 550

石灰石 Kg/t-Fe 10－15

1.7.3. The main raw material and fuel consumptionA variety of raw material and fuel usage (and into the furnace volume)

The name of the raw material and fuelUnit ConsumptionOre Kg/t-Fe 1660Among them: the sintered ore Kg/t-Fe 1328The original block of ore Kg/t-Fe 300Lump ore Kg/t-Fe 32Coke Kg/t-Fe 550Limestone Kg/t-Fe 10-16

1.4.4. 辅助材料消耗吨铁辅助材料消耗见下表：

序 号 名 称 单位及数量 备 注1 炮泥、沟泥 3.5Kg/t-Fe 由碾泥机生产2 焦粉 1.0 Kg/t-Fe3 河沙 4 Kg/t-Fe4 生粘土 1.5Kg/t-Fe5 耐火砖 1.0Kg/t-Fe 修铁水罐用

1.7.4 The auxiliary material consumptionTons of iron auxiliary material consumption as follows:No. Name Units and the number ofRemarks1 Gun mud, mud 3.5Kg/t-Fe Produced by grinding mud2 Coke powder 1.0 Kg/t-Fe

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3 Sand 4 Kg/t-Fe Repair iron pitcher with4 Raw clay 1.5Kg/t-Fe5 Firebrick 1.0Kg/t-Fe

1.4.5. 动力消耗序号 项目 单位 耗量1 工业净化水、炉体、热风炉冷却用水 m3/t-Fe 342 电（不含风机用电） KWh/t-Fe 303 蒸汽 m3/t-Fe 304 氧气 m3/t-Fe 35 压缩空气 m3/t-Fe 56 鼓风 m3/t-Fe 13527 煤气 m3/t-Fe 913

1.7.5 Power consumptionSerial No.Project Unit Consumption1 Industrial purification of water, furnace, hot blast furnace cooling

waterm3/t-Fe 34

2 Power (without fan power consumption) KWh/t-Fe 303 Steam m3/t-Fe 304 Oxygen m3/t-Fe 35 Compressed air m3/t-Fe 56 Blast m3/t-Fe 13527 Gas m3/t-Fe 913

高炉车间各系统工艺和设备1.5. 高炉本体

1）高炉内型高炉内型的设计指导思想是：既有利于高炉强化冶炼，又希望炉内煤气能量得到充分的利用。炉型的特点是多风口，适当矮胖，具体内型尺寸如下：高炉内型尺寸表序号 项目 符号 单位 设计值

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123456789101112131415

有效容积炉缸直径炉腰直径炉喉直径有效高度死铁层高度炉缸高度炉腹高度炉腰高度炉身高度炉喉高度炉腹角炉身角炉缸截面积风口数目

VudDd1

Huh0

h1

h2

h3

h4

h5

аβAF

m3

mmmmmmmmmmmmmmmmmmmm度度m2

个

128345043002600139604502410240012506300130081°34′23″84°26′12″

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VSerial No Project Symbol Unit Design value1 Effective volume Vu m3 1282 Hearth diameter d mm 34503 Furnace waist diameter D mm 43004 Furnace throat diameter d1 mm 26005 Effective height Hu mm 139606 The height of the dead layer of ironh0 mm 4507 Hearth high degree of h1 mm 24108 The height of the bosh h2 mm 24009 Furnace waist height h3 mm 125010 The height of the furnace body h4 mm 630011 Furnace throat height h5 mm 1300

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12 Bosh angle a degree 81°34′23″13 Furnace body angle β degree 84°26′12″14 Hearth cross-sectional area A m215 Outlet number F 个 8

Various processes and equipment of the blast furnace shop1.8 The blast furnace body1) BF.The blast furnace design guiding ideology is: that is conducive to the blast furnace to

strengthen the smelting furnace gas energy can be fully utilized. Furnace characteristics outlet, proper squat, concrete inside dimensions are as follows:

BF size table2）炉体结构

炉体为“自立式”结构，炉顶各层平台的荷载通过高炉炉壳传给基础，炉体设置多层操作平台，上、下分两路走梯，分别与各层平台相通。

2) The structure of the furnaceFurnace for the "vertical" structure, the load of the roof layers platform passed through the blast furnace shell to the basis of furnace set up multi-platform, on the following two routes to go the ladder, respectively, connected with the layers platform.

3）高炉内衬炉底炉底采用自焙炭块－一级高铝炉衬，水冷炉底。十多年来，自焙炭砖已在我国几十座高炉上应用，并在2500m3高炉上相继推广。同时，这样炉衬结构型式，可以满足中小高炉强化冶炼的要求，维持较高的炉衬寿命，具有耐高温，导热性能好，内层保温作用好，高温强度高，抗渣、铁侵蚀作用强等优点。炉缸风口中心线以下500mm处外砌自焙炭块，内衬一级高铝。一级高铝，铁口部位为组合砖。炉腹靠冷却壁砌－层厚度为345mm的高铝砖。3) blast furnace liningBottomBottom with self-baking carbon block - a high alumina lining, water-cooled hearth. More than a decade of self-baking carbon brick in the dozens of blast furnace, one after another to promote and 2500m3 blast furnace. Such lining structure type, to meet the requirements of small and medium-sized blast furnace to strengthen smelting, maintain 10

higher lining life, high temperature, good thermal conductivity, the role of the inner insulation, high temperature strength, resistance to slag, iron erosion, etc. .Hearth500mm at the following outlet centerline assemble a self-baking carbon block, lined with a high alumina. A high alumina, the taphole parts of the combination of brick.BoshRely on the cooling wall puzzle - the thickness of 345mm of high alumina bricks.(4)炉腰砌体材质，厚度与炉腹相同。(4) furnace waistMasonry material, thickness and bosh.（5）炉身炉身下部冷却壁处，砌体材质，厚度与炉腹、炉腰相同。炉身上部砌体材质为高铝砖，厚度为575mm，炉壳处喷涂厚度为50mm的喷涂料。(5) furnace bodyThe lower part of the furnace body cooling wall of masonry material, thickness and bosh, same stove waist.Furnace body, masonry materials for high alumina bricks, a thickness of 575mm, the furnace shell at the coating thickness of 50mm of spray paint.

4）炉体冷却影响炉体寿命长短的因素很多，其中炉体冷却水质是关键因素之一。128m3高炉采用工业水开路循环冷却，而与原高炉共建一新循环泵站。为改善冷却水质、提高冷却效果、延长冷却设备的使用寿命。在循环泵站的水池内采取加药软化处理的方案，以改善水质。炉体冷却系统的供水地面压力为0.4Mpa。冷却水由供水直管输送至炉台下，通过滤水器过滤后分别与炉台上供给高炉本体冷却壁用水的环管相通，冷却壁内水管每段横向串联，炉缸、炉底的冷却壁除风、渣、铁口处采用单进单出外，其余均为两块串联，炉腹，炉腰处冷却壁采用两块串联，炉身下部的冷却壁采用三块串联。炉底水冷却采用单管可调式有压供水。4) furnace coolingMany factors influence the length of the furnace life, including the furnace cooling water quality is one of the key factors. 128m3 blast furnace industrial water open loop cooling, the original blast furnace to build a new circulation pump. In order to improve the cooling water quality, improve the cooling effect, extend the life of the cooling equipment. Taken in the pool circulation pump dosing softening treatment program, to improve water quality.Ground water supply of the furnace cooling system pressure is 0.4Mpa. Cooling water 11

pipe from the water supply delivered to the stove under, connected with the furnace stage supply blast furnace body cooling wall water ring tube through the water purifier filter, water pipe in the cooling wall each transverse series, the hearth, the bottom wall of the cooling In addition to the wind, slag, iron mouth with a single into a single go out, the rest are two series, bosh, furnace waist at the cooling wall using two series, the cooling of the lower part of the furnace body wall with three series. Bottom water-cooled single-tube adjustable pressure water supply.

5）附属设备炉体附属设备主要是：风口送风装置，条形炉喉钢砖，煤气取样器。

风口送风装置采用带法兰式的风口大套，煤气取样仍采取人工取样。5) ancillary equipmentFurnace auxiliary equipment are: outlet air device, the strip furnace throat steel, brick, gas sampler.The outlet air device with a flanged outlet large set of gas sampling still take manual sampling.

1.6. 炉体检测与控制炉体检测包括炉衬温度、炉底温度、炉基温度的测量等，为炉体维护炉体设备保护提供信息。

上料系统本系统包括槽下供料、上料、炉顶放料三个部分1.9 Furnace detection and controlThe furnace lining temperature, bottom temperature, furnace-based temperature measurements, etc., to provide information for furnace maintenance furnace equipment protection is detected.The feeding systemThe system consists of trough feeding, feeding, and the roof leak the three parts

1.7. 料批组成和上料批重的选取料批组成 每批料最多由六车组成，一次或两次装入炉内（矿、焦分开）料批组成基本有：(a)oocc↓或ccoo↓

(b)ooo↓ ccc ↓或 ccc ↓ ooo↓

(c)ooo ↓ cc ↓或 cc ↓ ooo

(d)oo ↓ ccc ↓或 ccc ↓ oo

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注：o表示矿石，c表示焦炭1.10. Material batch composition and feeding weight selectionMaterial batch composition Each batch of material up to six cars, and once or twice a loaded furnace (separate ore, coke) material composed of basic:(a) The oocc ↓ or ccoo, ↓(b) the ooo ↓ the ccc ↓ or ↓ ccc ooo ↓(c) ↓ the ooo ↓ the cc or cc ↓ ooo(d) oo ↓ the ccc ↓ or the ccc ↓ ooNote: o ore, c said coke

1.8. 设备特性供料系统该系统的设备配置及工艺特点如下：矿、焦槽的配置，采用2个焦仓，2个矿仓。矿焦槽设置数量，容积及时间如下表：

矿焦槽设置数量，容积及时间炉料名称 数 量

（个）有效容积 贮存时间

（h）单个 总容积焦炭 2 12

烧结矿 2 12

原块矿 1 7

杂矿 1

1.11. Device characteristicsFeeding systemEquipment configuration and operation characteristics of the system are as follows:Ore, coke channel configuration, the two focal positions, two ore bin. Ore Groove set the number, volume and time in the following table:Ore Groove set the number, volume and timeCharge name Number of

（个）Effective volume Storage time

(H)Single Total volume

Coke 2 12Sinter 2 12The original ore 1 7

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Miscellaneous mine 1

（2）槽下供配料工艺流程及其特点：供焦系统：焦炭槽内的焦炭经焦槽流咀到焦仓下振动筛筛分后，合格焦炭直接进入有效容积为1.8m3的焦炭称量漏斗内，然后经一条800mm宽皮带运输机运到料坑漏斗，筛分后的焦粉由筛下的碎焦斗运走。烧结矿及块矿系统：矿槽下设有一条B＝800mm供矿皮带运输机，一条B＝650mm的返矿皮带运输机。杂矿仓下设有1个仓咀，设1台振动筛和1台中间称量斗，称量斗有效容积为1.8m3。杂矿经过振动筛和称量斗，供料皮带机送入料坑矿石漏斗。&&&

烧结矿上料系统采用分仓筛粉方案，每个烧结矿槽下1个流咀和1台振动筛。烧结矿经振动筛，筛上的成品矿通过皮带机进入受料斗，皮带机运输到料坑内的矿石漏斗。筛下的返矿经返矿皮带机送往返矿中间仓，最后汽车将返矿送往烧结厂。 槽下除尘烧结矿、原块矿矿、块矿、熔剂矿槽上仓采取半密封状态，仅留落料口。各烧结矿槽、焦炭槽下的给料机口，皮带机头，振动筛，称量斗，矿石漏斗以及料车坑等各扬尘点均设置抽尘罩进行强力抽尘，使环境得到根本改善。

(2) slots for the batching process and its characteristics:For focus system:Tank of coke coke coke channel flow Tsui to the focus position under vibration sieve screening, qualified coke directly into the effective volume of 1.8m3 coke weighing funnel, and then transported to a 800mm wide belt transports the material pit funnel, sieve minutes after the coke powder is carried away by the sieve under the broken coke bucket.Sintered ore and lump ore systems:Mine shafts, with a B = 800mm for mine belt conveyor, a B = 650mm back to mine belt conveyor. Miscellaneous ore bin has a position Tsui, 1 shaker, and the middle of the weighing hopper, weighing bucket effective volume of 1.8m3. The mixed ore hopper, vibrating screen and weighing the feeding belt conveyor into the feed pit ore funnel.Sinter material points positions sifter program, a flow nozzles and each sinter slot, a shaker. The sinter shaker, sieve the finished mine by belt conveyor to enter by hoppers, belt conveyor to feed pit ore funnel. Back to mine under the screen to send to and from the mine back to mine belt conveyor intermediate positions, the last car will be returned to the ore sent to the sintering plant.Trough under the dustSinter, the original block of ore, lump ore, flux Trough position to take a semi-sealed state, leaving only a blanking mouth. Sinter slot, the mouth of the feeder under the coke slot, belt head, vibrating screen, weighing bucket, ore funnel and the skip pit dust points are set to a pumping dust cover for the strong pumping dust, so that the environment be fundamentally improved .

14

（3）上料系统采用单料车斜桥上料，料车有效容积1.8m3，斜桥角度53 °37 ′41″。主卷扬机室设在斜桥下方，地沟操作室在料仓一侧。上料能力 高炉上料批数按N＝Vu.K.C/Q计算式中：Vu－高炉有效容积。 K－高炉利用系数 C－焦比 Q－焦炭批重料车运行一次时间为51秒，料车卷扬系统作业率为66.7％。料车卷扬机的主要性能 最大钢绳速度1.23m/s；卷筒直径：1000mm； 钢绳直径：28mm

配用电机：75KW(3) the feeding systemThe single-skip on the bridge of material, skip effective volume of 1.8m3, the bridge of the angle 53 ° 37 '41 ". Main hoist room is located in the bridge of the bottom of the trench operating room in the hopper side.Loading capacity Blast furnace is calculated by N = Vu.K.C / QWhere: Vu, effective blast furnace volume. K-blast furnace utilization factor C-coke ratio Q-coke batch re-Skip running time of 51 seconds, skip hoist system operating rate of 66.7%.The main performance of the skip hoist The largest wire rope speed of 1.23m / s; reel diameter: 1000mm; Wire Rope diameter: 28mm With motor: 75KW（4）炉顶系统 128m3高炉炉顶装料设备采用大小料钟，用电动复合卷扬机驱动，布料采用空转螺旋布料器，这种装料设备在国内许多厂家的128m3级的高炉上已广泛应用，使用效果比较可靠。128m3高炉炉顶装料设备由固定受料斗，园筒受料斗，空转布料器，小料钟、斗，大料钟、斗等组成。这种炉顶设备密封性能较好，尤其是空转螺旋布料器，其密封性能明显优于马基式布料器，且重量轻，操作比较灵活。为提高大小钟的密封性能和耐磨性能，在大小钟、斗的接触面采有浸润碳化钨处理，在大料钟的落料面堆焊了硬质合金。该炉顶设备可以满足高炉0.05-0.07Mpa的小高压操作要求，且经过特殊处理的大钟寿命较长，根据安钢炼铁厂128m3高炉的使用经验，大钟寿命可达5－6年。且维护检修方便，15

更换一次大钟，一般需5天时间，更换小钟仅需8－10个小时。风口平台与出铁场

高炉采用一个铁口两个渣口，8个风口，风口平台及出铁场上设有高炉控制室，炉前设备液压站，泥炮操作室，工人休息室等构筑物。出铁场上主铁沟坡度8％，支铁沟坡度5％，炉前采用水冷砂口，布置35吨铁水罐位2个。为了使炉前工作适应强化冶炼，小高压操作的要求，保证炉前作业安全顺利的进行，改善炉前的操作环境，选用了如下炉前设备：矮式液压泥炮、泥缸有效容积0.06m3，推力为75t。液压堵渣机液压开铁口机修补渣铁沟用电动打夯机。炉前配一台双梁吊车（5t）热风围管下部至出铁场设一台1t环梁手拉葫芦。铁水罐、渣罐上方设有抽尘罩，基本上能够抽除高炉出铁、出渣时产生的烟尘，炉前的劳动环境会得到一定的改善。炉前使用的炮泥，铺沟料等物料采用汽车运至炉台下，然后用吊车运至出铁场及风口平台上。(4) roof system 128m3 blast furnace top charging equipment with the size of the bell, electric composite winch drive, cloth idling spiral fabric, this charging equipment has been widely applied in many domestic manufacturers of 128m3 blast furnace, the use of more reliable .128m3 blast furnace top charging equipment from fixed by the hopper Park tube by the hopper, idling distributor, a small bell, fighting, aniseed bell, fighting, etc..Better sealing performance of roof equipment, especially the spin spiral fabric, its sealing performance significantly better than the Markey distributor, and light weight, more flexible operation. In order to improve sealing performance and wear resistance of the size of the bell, the bell in size, the buckets of the contact surface mining infiltration of tungsten carbide processing, aniseed-minute blanking surface surfacing carbide. The roof equipment to meet the blast furnace 0.05-0.07Mpa pressure operation requirements, and special handling of the clock longer life expectancy, based on experience in the use of Anyang Iron and Steel Ironworks 128m3 blast furnace, bell life up to 5-6 years. Maintenance and easy maintenance, and replacement of one clock, which normally takes five days, the replacement of a small bell in just 8-10 hours.The tuyere platform casthouse The blast furnace using an iron mouth of two slag notch, 8 outlet, the outlet platform and iron field has a blast furnace control room, blast furnace equipment, hydraulic station, clay gun operating room, workers lounge structures.Iron field the slope of the main iron trough 8%, 5% of the supported iron ditch slope, blast furnace water-cooled sand mouth, layout, two 35 t ladle.In order to make the blast furnace work to adapt to strengthen the requirements of smelting, high-pressure operation to ensure that the blast furnace operating safely and smoothly, to improve the operating environment of the blast furnace, selected blast furnace equipment:Dwarf hydraulic mud gun, mud tank effective volume of 0.06m3, the thrust of 75t.16

Hydraulic blocking residue machineHydraulic Taphole machineRepair the slag and iron ditch the electric tamping machine.Blast furnace with a double beam crane (5t)The hot air confining tube lower part to to casthouse set 1t ring beam chain hoists.Ladle, the top of the slag pot has a pumping dust cover, basically extraction of blast furnace slag, dust, blast furnace of the working environment will be some improvement.Front stemming Shop ditch material used materials car transported to the stove, and then transported by crane to the iron field and the outlet platform.

热风炉部分 Hot stove part

1.9. 平面布置热风炉布置形式采用并列式或一列式，设置2座热风炉。其结构形式采用改造型球式热风炉。设置助燃空气预热器，预热温度达到150℃以上，设计风温1100—1150℃。热风炉寿命与高炉同步，3-4年更换一次蓄热球。为了装卸球运输的要求，烟囱（地下段）布置在热风主管一侧，热风炉给水点及排水点由总图统一考虑共同商定。1.12 LayoutThe hot-blast stove arrangement of parallel or a style, set up two hot stove. Its structure using transformation Ball stove. Set the combustion air preheater, preheating temperature above 150 ° C, the design air temperature 1100-1150 ℃. Synchronization, 3-4 years of the hot stove life and blast furnace replacement first regenerator ball.For the transportation requirements of handling the ball, and chimneys (underground section) arranged on one side of the hot air competent hot stove water supply point and drainage point uniform consideration of the mutually agreed by the General Plan.1.10. 热风炉结构1.13. Hot stove structure（1）拱顶结构拱顶采用悬链线结构，这种拱顶的稳定性和气流分布均匀性较半球形或锥顶相结合的蘑茹形球顶要好。采用悬链线拱顶结构后，拱顶与大墙脱开，拱顶砖衬座在设于炉壳的两层托圈上，脱离大墙,由钢壳支托传到基础。大墙可自由膨胀,防止了因不均匀膨胀造成的拱顶损坏。为防止该处窜风，在接触处采取迷宫式密封结构。(1) vaulted structureThe dome structure of the catenary, the stability of this vault and airflow distribution better uniformity than hemispherical or conic combination of the mushroom-shaped dome. Catenary dome structure, the vault was torn off the walls of the vaulted brick lining in the furnace shell, two layers of ring from the walls, steel support prop spread basis. The walls are free to expansion, to prevent the the vaulted damage caused by uneven expansion. To prevent channeling wind there, take contact at the labyrinth seal structure.（2）燃烧室17

热风炉为球式热风炉，上部配两台套筒式燃烧器,可以强化燃烧，拱顶大墙内燃烧口结构复杂，采取现场捣打。(2) the combustion chamberHot stove hot stove for the ball, the upper with two sleeve-type burners, enhanced combustion, the complex structure of the vault within the walls burning mouth, take the scene to ramming.（3）蓄热室蓄热室为二段式结构，上部高温区采用φ60低蠕变高铝球以增加蓄热能力，下部4采用φ40高强度高铝球。炉蓖子、支柱采用托梁结构形式，材质RTCr。(3) regeneratorRegenerator for the two-stage structure, the upper part of the high temperature zone with the φ60 low creep high alumina ball to increase the heat storage capacity, the lower part of four of φ40 high strength aluminum ball. Grate son the pillars joist structure, material RTCr.（4）热风出口及三叉口为解决该部位破损率高、砌筑不方便的问题，在该部位采用异形组合砖砌筑，以提高使用寿命。热风出口为喇叭口状，增设一层保温砖，以改善其保温性能。热风阀与热风主管间设有波纹补偿器。(4) hot air exports and Sanchakou ofRate, to address the area damaged masonry inconvenient shaped combination of brick building, in order to improve the life of the site. The hot air exports as a bell-shaped, an additional layer of insulation bricks, to improve its thermal insulation properties. Between the hot air valve and the hot air competent with corrugated compensator.（5）炉体的隔热热风炉加强炉体的隔热是减少散热损失，提高热风炉热效率，提高热风温度，保护热风炉外壳的重要措施之一。为此，在热风炉上部高温区域的热风炉大墙与钢壳间、拱顶砖与钢壳间增加了隔热层厚度，采用了一些性能较好的隔热材料。同时，炉壳中上部内表面喷涂一层FN-130耐火隔热材料。大墙上部砌体与拱顶间设迷宫式滑缝，防止气体串至炉皮。下部用球冠型炉蓖子及冷风均布装置，可使气流分布均匀，有利于热交换，提高热效率，减少气体阻力。(5) furnace insulationHot stove to strengthen the insulation of the furnace to reduce heat loss and improve the hot stove thermal efficiency, improve the hot air temperature, one of the important measures to protect the hot stove shell. To this end, the hot stove wall with steel of the hot stove upper high-temperature region, the vaulted brick and steel to increase the thickness of insulation layer, the use of some of the better performance of the insulation materials. The same time, the furnace shell in the upper inner surface of the coating layer of the FN-130 fire-resistant insulation materials. Large wall Ministry of masonry and vaults are located labyrinth slip joints, prevent gases string to the furnace skin. The lower part of the spherical cap grate child and cold cloth device allowing uniform air distribution, heat exchange, thermal efficiency, reduce gas flow resistance.

1.11. 热风炉主要技术特性热风炉设计风温1100℃~1150℃，废气温度250~300℃，全部采用高炉煤气燃烧，热值18

3400kJ/Nm3以上，热风炉燃烧采用集中供风，助燃空气预热温度150℃以上。1.14. Hot stove the main technical characteristicsHot-blast stove design wind temperature of 1100 ℃ ~ 1150 ℃, the exhaust gas temperature of 250 ~ 300 ℃, all the combustion of blast furnace gas, heat value 3400kJ/Nm3, hot stove burning a centralized air supply, combustion air preheating temperature above 150 ℃.

1.12. 送风系统正常情况下，热风炉采用“一烧一送制”，事故状态时为“一烧一送制”。热风炉在换炉过程中，增设了冷风均压装置。换炉时由微机控制阀门开启，以尽量减少高炉入炉风量和风压的波动，保证高炉冶炼过程的稳定性。高炉鼓风机出口冷风温度高达120℃左右，为充分利用鼓风中的这部份物理热，同时尽量减少管道内的风温降，在冷风管道外表面增加了保温层，从而达到减少冷风管道和热风管道表面散热的目的。1.15. Air supply systemUnder normal circumstances, the hot stove "a burning and a sending system", to "burn a" system accident condition.Hot stove in exchange furnace process, the addition of cold pressure device. Valve opening change furnace is controlled by the computer in order to minimize the volatility of the blast furnace into the furnace air flow and pressure to ensure the stability of blast furnace ironmaking process.The cold temperature of the blast furnace blower exports of up to 120 ℃, to take full advantage of this part of the physical heat in the blast, while minimizing the air temperature drop inside the tubes, the outer surface of the cold pipe to increase the insulation layer, and thus to decrease the cold pipes and hot air the purpose of the pipe surface cooling.1.13. 热风炉设备1.16. Hot stove equipment（1）阀门型式及其传动热风炉各阀门型式确定的基本要求是：密封性好、操作灵活，在满足热风炉操作条件下，坚固耐用。本次设计所选用的阀门型式是闸板阀和蝶形阀。闸板阀用于管路的切断，蝶形阀用于气体流量的调节和低压管路的切断。高温区的闸阀采用带水冷装置的阀门；以上两种结构型式的阀门均采用液压驱动，蝶形阀采用电动控制，由微机联锁控制，实现热风炉在换炉过程的自动控制。(1) of valve type and its transmissionThe basic requirement is determined by the hot stove all valve types: good sealing, flexible operation, meet the hot-blast stove operation conditions, rugged. The design chosen valve type is gate valves and butterfly valves. The gate valve for the pipe cut off, the butterfly valve is used to adjust the gas flow and low pressure piping cut off. The high temperature zone of the valve using a valve with a water-cooled device; more than two types of valves are used hydraulic drive, butterfly valve with electric controls, is controlled by the microcomputer interlocking to achieve the automatic control of the hot stove in the process of change furnace.（2）助燃风机19

共配置助燃鼓风机2台风机运行为开一备一。为了保证热风炉在燃烧过程中燃烧的稳定，在煤气管道上设置了稳压调节机构，以保证煤气压力的稳定。(2) blowerTotal configuration of the combustion air blower wind turbine operation to open a prepared one.Set in the gas pipeline in order to ensure the stability of the hot stove burning in the combustion process, the regulator regulatory agencies, in order to ensure the stability of the gas pressure.1.14. 高炉煤气的净化1.17. Blast furnace gas purification

1.15. 原始数据煤气发生量：3.45×104～3.9×104 Nm3/h

煤气发热量：3310KJ/Nm3

炉顶煤气温度：正常：100~150℃

最低： 80℃

最高：280℃

炉顶煤气压力：正常：60～80Kpa

低压：30Kpa

重力除尘器出口煤气含尘量：平均：7g/Nm3

最大：10g/Nm3

重力除尘器出口煤气含湿量：50g/Nm3

净煤气含尘量：<10mg/Nm3

净煤气并网压力：7～10Kpa（最高可达15Kpa）1.18. The original dataGas: 3.45 × 104 ~ 3.9 x 104 Nm3 / hGas heat: 3310KJ/Nm3Top gas temperature: Normal: 100 ~ 150 ℃ Low: 80 ° C High: 280 ° C Top gas pressure: Normal: 60 ~ 80Kpa Low pressure: 30Kpa Gravity precipitator export gas dust content: Average: 7g/Nm3Maximum: 10g/Nm3 Gravity precipitator export gas moisture content: 50g/Nm3 Net gas dust content: <10mg/Nm3 Net gas network pressure: 7 ~ 10Kpa (up 15Kpa)1.16. 除尘方法：高炉煤气净化方法采用干式低压脉冲布袋除尘。20

1.19. Dust removal method:The blast furnace gas cleaning methods to dry-type low-pressure pulse bag filter.

1.17. 除尘工艺： 高炉煤气经炼铁重力除尘器粗除尘后经煤气总管进入每个布袋除尘器，净化后的煤气进入净煤气管，经调压装置后，控制煤气压力在7～10KPa，并入净煤气总管网。除尘灰通过卸、输灰系统运至高位灰仓，加湿后卸入汽车外运。高炉煤气布袋除尘工艺流程如下：重力除尘器 脉冲氮气 热风炉

低压脉冲布袋除尘器 净煤气总管 调压阀组 并网灰尘 中间灰仓 埋刮板机 斗提升 高位灰仓 加湿机 外运1.20. Dust removal process:Blast furnace gas through the gas main into the coarse dust by the iron making gravity

dust collector for each bag filter, the purified gas is fed into a gas pipe, after

regulating device to control the gas pressure in 7 ~ 10KPa incorporated into the net

gas mains network . DUST by unloading, lose the gray system operation to the high ash

silo, humidification into a car after unloading Sinotrans. Blast furnace gas bag filter

process is as follows:

Gravity precipitator Pulsed nitrogen Hot stove

Low-voltage pulse bag filter A gas main of Pressure regulating valve group GridDust Intermediate ash silo Buried scraper Bucket elevator High gray warehouse Humidifier Sinotrans

1.18. 除尘器本体： 根据煤气流量采用10个箱体，外径Φ2600mm，单列布置。 脉冲布袋除尘器的主要工艺参数： 箱体台数 台 10

每个箱体的滤袋数 条 48

滤袋规格 Φ×L Φ120×6000

每个箱体过滤面积 m2 约400

21

设计选取过滤负荷 Nm3/m2h 32~38

每个箱体过滤煤气量 Nm3/h 12800～15200

6个箱体同时使用时过滤负荷 Nm3/m2h 32～38

处理煤气量可达 Nm3/h 51200～60800

滤袋采用高温合成纤维针刺毡，商品名称Nomex 或 Metamex。适用温度为100～250℃，瞬时可达300℃。因此温度适中是本除尘器使用的关键所在，温度过高或过低到达设定值时应报警，同时通知高炉操作室采取措施。如温度超过设定值，应关闭净煤气蝶阀，阻止煤气流动并通知高炉放散。正常使用条件下，滤袋寿命约1.5～2a以上。操作过程中可通过检漏仪及镜片检测煤气含尘情况，及时发现滤袋破损并更换。本设计按人工检漏设计，予留自动检漏安装口。

热力设施鼓风机站按二台离心风机位置建设厂房一用一备。风机型号为C520-2.4/0.98型离心鼓风机。

给排水系统包括净循环水系统和浊水循环系统。净循环水系统包括高炉炉体冷却水、热风炉冷却用水、鼓风机冷却用水。高炉炉体冷却用水：Q=450m3/h，T=35℃，P=0.40MPa（以高炉出渣线轨道计）；热风炉冷却用水：Q=300m3/h,

T=35℃，P=0.40MPa （以高炉出渣线轨道计）；鼓风机冷却用水：Q=100m3/h,

T=32℃，P=0.30MPa

浊水循环系统主要是高炉水冲渣用水。高炉水冲渣系统包括下渣冲水量：Q=600m3/h，上渣冲水量：Q=600m3/h， P=0.30Mpa。

5、电气系统主要包括新建128m3高炉的原、燃料供应系统、槽上及槽下配料系统、卷扬上料系统、高炉循环水系统、热风炉系统、矿槽除尘和出铁场除尘系统、高炉鼓风系统、煤气净化系统等的供配电和电气传动。1.21. Precipitators body: Gas flow of 10 boxes, diameter Φ2600mm, a separate arrangement. Pulse bag filter, the main process parameters: Box the number of units 10 Each box of the bag a few 48 Bag specifications of Φ × L Φ120 × 6000 Each box filter area of approximately 400 m2 Design selected filter load Nm3/m2h 32-38 Gas volume of each box filter Nm3 / h 12800 ~ 15 200 6 box to use the filter the load Nm3/m2h 32 38 Processing gas of up to Nm3 / h 51200 ~ 60800Bag with high temperature synthetic fiber needled felt, the Name Nomex or Metamex. Suitable temperature of 100 ~ 250 ℃, instantaneous up to 300 ℃. Moderate temperature is the key used by the dust collector, the temperature is too high or too low to reach the 22

alarm settings should be, at the same time take measures to inform the blast furnace operation room. If the temperature exceeds the set value, net gas butterfly valve should be closed to prevent gas flow, and notify the blast furnace elution. Under normal use conditions, the filter bag life is about 1.5 ~ 2a.Operation through the leak detector and lens detection of gas dust, timely detection of damage and replace bag. Design artificial leak design, I remain automatic leak detection installed mouth.Thermal facilitiesBlower station construction plant by two centrifugal fan location with a preparation. Fan model C520-2.4/0.98 type centrifugal blower.Water supply and drainage systemIncluding the net circulating water system and greywater circulatory system.The net circulating water system, including the blast furnace cooling water, cooling water hot stove, blower cooling water. Blast furnace cooling water: Q = 450m3 / h, T = 35 ° C, P = 0.40MPa (dollars) to the blast furnace slag line track; hot stove cooling water: Q = 300m3 / h, T = 35 ° C, P = 0.40 MPa (in blast furnace slag line track); blower cooling water: Q = 100m3 / h, T = 32 ° C, P = 0.30MPaThe Choshui circulatory system is the blast furnace flush residue with water.The blast furnace flush slag slag flush: Q = 600m3 / h, on slag flush: Q = 600m3 / h, P = 0.30Mpa.5, the electrical systemIncluding new 128m3 blast furnace raw fuel supply system, slot and groove batching system, the winch on the feeding system, the blast furnace circulating water system, hot blast stove system, the dust of the mine shafts and iron dust removal system, the blast furnace system gas purification systems, etc. for distribution and electrical transmission.

1.18.1.供配电系统炼铁供电负荷性质属一、二类，应保证其可靠性。设计为双回路供电，即一用一备。根据对炼铁用电负荷计算，每条回路负荷应满足2500KVA的要求。1.21.1. Supply and distribution systemThe ironmaking power load of a nature that a second class, should ensure its reliability. The design for the double circuit power supply, that is, one with a preparation. Calculation based on the the ironmaking electricity load, the load of each circuit should meet the requirements of 2500KVA.

1.18.2.控制系统根据高炉设备分散等特点，为提高生产效率，改善劳动条件及便于生产管理，配置四套可编程控制器（Ｓ７－４００）及四台上位机操作台。分别设在高炉本体、热风炉、槽下、干法除尘操作室内。各系统的ＰＬＣ，上位机之间通过ＰＲＯＦＩＢＵＳ－ＤＰ网络连网，各系统的设备运行、故障情况均在各自的操作站（上位机）上进行监控及操作。各系统自成独立操作系统，有关信号可相互传送到各系统控制室监视。以上各ＰＬＣ均具有各自系统的监视控制，对各自系统的设备运行状况，通过各自的操作站上的ＣＴＲ监视及操作，实现事故报警，报表打印及人机对话。

投资概算本工程概算依设计内容和范围进行编制。投资范围包括：原、燃料贮运设施、炼铁车间（1×128m3高

炉）、布袋除尘系统、高炉鼓风机站、给排水设施、厂区综合管线、总图设施、工器具及生产家具购置费。投资23

明细见附件。1.21.2. Control systemAccording to the dispersion of blast furnace equipment, increase productivity and

improve working conditions and to facilitate production management, configuration, four programmable controller (S7-400) and four stage machine console. Are located in the blast furnace body, hot stove, slot, dry dust to the operating room.

PLC, between the host computer networked via PROFIBUS-DP network system equipment operation and fault conditions in the respective operator station (PC) on the control and operation. Each system into a self-independent operating system, the signal can be mutual sent to the system control room monitoring.

The above PLC has their own system to monitor control equipment operating conditions of the respective systems, monitoring and operation of the CTR on the respective operator station, accident alarm, report printing and man-machine dialogue.

Investment budgetThe project budget for the preparation according to the design content and scope. The investment areas include: raw material and fuel storage facilities, iron workshop (1 × 128m3 blast furnace), dust bag system, blast furnace blower station, water supply and drainage facilities, the factory pipeline, general layout and facilities, industrial equipment and production of furniture acquisition costs. Investment details in the annex.

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