CN207734761U - Steam absorption device for coke intermediate bin water-adding humidifying dust-settling system - Google Patents
Steam absorption device for coke intermediate bin water-adding humidifying dust-settling system Download PDFInfo
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- 239000000571 coke Substances 0.000 title claims abstract description 51
- 238000010521 absorption reaction Methods 0.000 title abstract 2
- 239000006096 absorbing agent Substances 0.000 claims abstract description 47
- 238000001816 cooling Methods 0.000 claims abstract description 25
- 238000004062 sedimentation Methods 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 43
- 239000000428 dust Substances 0.000 claims description 17
- 239000003595 mist Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 239000011152 fibreglass Substances 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 239000002002 slurry Substances 0.000 abstract description 12
- 239000007789 gas Substances 0.000 abstract description 9
- 238000010791 quenching Methods 0.000 abstract description 6
- 230000000171 quenching effect Effects 0.000 abstract description 6
- 239000003344 environmental pollutant Substances 0.000 abstract description 5
- 231100000719 pollutant Toxicity 0.000 abstract description 5
- 238000004939 coking Methods 0.000 abstract description 4
- 231100000331 toxic Toxicity 0.000 abstract description 4
- 230000002588 toxic effect Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000000843 powder Substances 0.000 description 17
- 238000000034 method Methods 0.000 description 6
- 239000007921 spray Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012432 intermediate storage Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
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Abstract
Description
技术领域technical field
本实用新型涉及焦化行业干熄焦工程的焦炭中间仓加水增湿降尘系统中蒸汽的无污染物处理技术，尤其涉及一种用于焦炭中间仓加水增湿降尘系统的蒸汽吸收装置。The utility model relates to a non-pollutant treatment technology for steam in a coke intermediate bin adding water, humidifying and dust-reducing system in a coke dry quenching project in the coking industry, in particular to a steam absorbing device for the coke intermediate bin adding water, humidifying and dust-reducing system.
背景技术Background technique
干熄焦是炼焦行业最有发展潜力的节能技术措施，干法熄焦焦炭因比湿法熄焦焦炭更具优越的冶金性能而被钢铁企业高炉炼铁生产者所看重。焦化行业中干熄焦炭加水增湿降尘这一技术刚出现就被广泛应用，而热焦炭在加水的过程中会产生大量高温水蒸汽，其中包含大量的粉尘、酚类、氰化物、硫化物等有毒害气体，如直接排放会严重污染大气及周围环境，所以急需含尘蒸汽的捕集及净化处理装置。Dry quenching is the energy-saving technical measure with the most development potential in the coking industry. Dry quenching coke is valued by blast furnace ironmaking producers in iron and steel enterprises because of its superior metallurgical properties compared with wet quenching coke. In the coking industry, the technology of coke dry quenching, adding water, humidifying and reducing dust has been widely used since its inception, while hot coke will generate a large amount of high-temperature water vapor during the process of adding water, which contains a large amount of dust, phenols, cyanide, sulfide, etc. Toxic gas, if directly discharged, will seriously pollute the atmosphere and the surrounding environment, so there is an urgent need for dusty steam capture and purification treatment devices.
发明内容Contents of the invention
为了克服现有技术的不足，本实用新型提供了一种用于焦炭中间仓加水增湿降尘系统的蒸汽吸收装置，对焦炭加水增湿过程中产生的大量含尘高温水蒸气捕集及净化处理，避免有毒有害气体污染大气。In order to overcome the deficiencies of the prior art, the utility model provides a steam absorbing device for the water humidification and dust reduction system of the coke intermediate bin, which captures and purifies a large amount of dusty high-temperature steam generated in the process of adding water and humidifying the coke , to avoid poisonous and harmful gases from polluting the atmosphere.
为了达到上述目的，本实用新型采用以下技术方案实现：In order to achieve the above object, the utility model adopts the following technical solutions to realize:
一种用于焦炭中间仓加水增湿降尘系统的蒸汽吸收装置，包括吸气罩、蒸汽吸收器、冷却池、引风机、管道、蒸汽分配器、渣浆泵、粉焦沉淀池、离心泵；所述吸气罩安装在焦炭中间仓的仓顶，吸气罩通过管道与蒸汽吸收器相连，蒸汽吸收器通过管道与引风机相连，引风机通过管道与蒸汽分配器相连，蒸汽分配器与蒸汽吸收器位于冷却池上部，渣浆泵安装在冷却池内，渣浆泵通过管道与粉焦沉淀池相连，离心泵安装在粉焦沉淀池内，离心泵通过管道与蒸汽吸收器相连。A steam absorbing device for adding water, humidifying and dusting the coke intermediate bin, including a suction hood, a steam absorber, a cooling pool, an induced draft fan, a pipeline, a steam distributor, a slurry pump, a powder coke sedimentation tank, and a centrifugal pump; The suction hood is installed on the roof of the coke intermediate bin, the suction hood is connected with the steam absorber through the pipeline, the steam absorber is connected with the induced draft fan through the pipeline, the induced draft fan is connected with the steam distributor through the pipeline, and the steam distributor is connected with the steam The absorber is located on the upper part of the cooling tank, the slurry pump is installed in the cooling tank, the slurry pump is connected to the powder coke sedimentation tank through pipelines, the centrifugal pump is installed in the powder coke sedimentation tank, and the centrifugal pump is connected to the steam absorber through pipelines.
所述蒸汽吸收器设有两层螺旋喷嘴，喷嘴喷流的喷射雾场为实心锥形，布满整个筒体截面；蒸汽分配器设有至少两层挡水板。The steam absorber is provided with two layers of spiral nozzles, and the spray mist field of the nozzle jet flow is a solid cone, covering the entire cross section of the cylinder; the steam distributor is provided with at least two layers of water baffles.
所述喷嘴采用耐磨防腐材料制作，所述挡水板采用不锈钢材料制作。The nozzle is made of wear-resistant and anti-corrosion material, and the water retaining plate is made of stainless steel.
所述蒸汽分配器设有多层多条集合管，最底层集合管底部开孔间距为200～300mm。The steam distributor is provided with a plurality of multi-layer collecting pipes, and the hole spacing at the bottom of the bottom collecting pipe is 200-300mm.
所述蒸汽吸收器与管道采用玻璃钢材料制作。The steam absorber and pipeline are made of glass fiber reinforced plastic.
所述引风机外壳采用不锈钢材料制作。The casing of the induced draft fan is made of stainless steel.
与现有技术相比，本实用新型的有益效果是：Compared with the prior art, the beneficial effects of the utility model are:
(1)含尘蒸汽从蒸汽吸收器进气口进入，自下而上，与水雾充分接触，使大部分蒸汽冷却凝结成水，未被吸收的少量蒸汽从蒸汽吸收器顶部通过引风机经管道导入冷却池，使剩余蒸汽再次冷却凝结，实现含尘蒸汽充分净化，避免有毒有害气体污染大气；(1) Dust-laden steam enters from the air inlet of the steam absorber, from bottom to top, and fully contacts with water mist, so that most of the steam is cooled and condensed into water, and a small amount of unabsorbed steam passes through the induced draft fan from the top of the steam absorber. The pipeline is led into the cooling pool to cool and condense the remaining steam again, so as to fully purify the dust-laden steam and avoid toxic and harmful gases from polluting the atmosphere;
(2)蒸汽吸收器设有两层螺旋喷嘴，喷嘴喷流的喷射雾场为实心锥形，布满整个筒体截面实现水雾在蒸汽吸收器中无死角喷洒，与含尘蒸汽接触更充分，有利于蒸汽的凝结和粉尘的沉降；(2) The steam absorber is equipped with two layers of spiral nozzles. The spray mist field of the nozzle jet is a solid cone, which covers the entire cross section of the cylinder, so that the water mist can be sprayed in the steam absorber without dead ends, and the contact with the dusty steam is more sufficient. , which is conducive to the condensation of steam and the settlement of dust;
(3)蒸汽吸收器喷洒用水来自粉焦沉淀池，流入冷却池后再用泵送回粉焦沉淀池循环使用，不产生新的废水；(3) The spraying water of the steam absorber comes from the powder coke sedimentation tank, flows into the cooling tank and then is pumped back to the powder coke sedimentation tank for recycling, and no new waste water is generated;
(4)蒸汽吸收器捕集的冷凝水及粉尘由渣浆泵自冷却池输送到粉焦沉淀池，粉焦沉淀池的污泥定期用抓斗抓出晾晒后送煤场再利用，实现无污染物排放。(4) The condensed water and dust captured by the steam absorber are transported from the cooling tank to the powder coke sedimentation tank by the slurry pump, and the sludge from the powder coke sedimentation tank is regularly grabbed with a grab bucket and then sent to the coal yard for reuse, realizing no pollution. Emissions.
附图说明Description of drawings
图1是本实用新型结构示意及工艺原理图；Fig. 1 is a structural representation and a schematic diagram of the process of the utility model;
图2是本实用新型蒸汽吸收器结构示意图；Fig. 2 is a structural schematic diagram of the utility model steam absorber;
图3是本实用新型蒸汽分配器结构示意图。Fig. 3 is a structural schematic diagram of the steam distributor of the present invention.
图中：1-吸气罩 2-蒸汽吸收器 3-冷却池 4-引风机 5-管道 6-蒸汽分配器 7-渣浆泵 8-粉焦沉淀池 9-离心泵 10-喷嘴 11-挡水板 12-最底层集合管 13-进气口 14-出气口 15-焦炭中间仓 16-检查孔In the figure: 1-suction hood 2-steam absorber 3-cooling pool 4-induced fan 5-pipe 6-steam distributor 7-slurry pump 8-powder coke sedimentation tank 9-centrifugal pump 10-nozzle 11-stop Water plate 12-bottom manifold 13-air inlet 14-air outlet 15-coke intermediate bin 16-inspection hole
具体实施方式Detailed ways
下面结合附图对本实用新型的具体实施方式作进一步说明：The specific embodiment of the utility model will be further described below in conjunction with accompanying drawing:
如图1所示，本实用新型所述一种用于焦炭中间仓加水增湿降尘系统的蒸汽吸收装置，包括吸气罩1、蒸汽吸收器2、冷却池3、引风机4、管道5、蒸汽分配器6、渣浆泵7、粉焦沉淀池8、离心泵9。管道5采用玻璃钢材料制作，防止蒸汽中酸性气体腐蚀管道。As shown in Figure 1, a steam absorbing device for adding water, humidifying and dedusting the coke intermediate storage system according to the utility model includes a suction hood 1, a steam absorber 2, a cooling pool 3, an induced draft fan 4, a pipeline 5, Steam distributor 6, slurry pump 7, powder coke sedimentation tank 8, centrifugal pump 9. Pipeline 5 is made of fiberglass material to prevent acid gas in steam from corroding pipelines.
如图2所示，蒸汽吸收器2壳体为圆筒形，采用玻璃钢材料制作，壳体内部设有两层螺旋喷嘴10，喷嘴10采用耐磨防腐材料制作，喷流的喷射雾场为实心锥形，布满整个筒体截面。蒸汽吸收器2壳体底部设有进气口13，顶部设有出气口14。蒸汽吸收器2设有2层挡水板11，挡水板11采用不锈钢材料制作，达到阻流作用，使颗粒物及水滴从蒸汽中分离出来沉降。蒸汽吸收器2设有检查孔16，便于定期清理挡水板11并检查螺旋喷嘴10。As shown in Figure 2, the shell of the steam absorber 2 is cylindrical and made of glass fiber reinforced plastics. The inside of the shell is provided with two layers of spiral nozzles 10. The nozzles 10 are made of wear-resistant and anti-corrosion materials, and the spray mist field of the jet flow is solid. Conical, covering the entire section of the cylinder. An air inlet 13 is provided at the bottom of the steam absorber 2 housing, and an air outlet 14 is provided at the top. The steam absorber 2 is provided with two layers of water baffles 11, and the water baffles 11 are made of stainless steel to achieve a blocking effect, so that particles and water droplets are separated from the steam and settled. The steam absorber 2 is provided with an inspection hole 16 to facilitate regular cleaning of the water baffle 11 and inspection of the spiral nozzle 10 .
如图3所示，蒸汽分配器6设有2层集合管，下层设有5条集合管，最底层集合管12底部开孔间距为250mm，使蒸汽均匀分配到冷却池3内。蒸汽分配器6的喷气口均匀分布，由于每个喷气口的气量很小，风速相对较低，对系统的压力的变化影响较小。As shown in Figure 3, the steam distributor 6 is provided with 2 layers of collecting pipes, and the lower layer is provided with 5 collecting pipes. The gas jets of the steam distributor 6 are evenly distributed, and since the air volume of each gas jet is small and the wind speed is relatively low, the influence on the change of the system pressure is small.
如图1所示，所述吸气罩1安装在焦炭中间仓15的仓顶，吸气罩1通过管道5与蒸汽吸收器2底部的进气口13相连，蒸汽吸收器2顶部的出气口14通过管道5与引风机4相连，引风机4通过管道5与蒸汽分配器6相连，蒸汽分配器6与蒸汽吸收器2位于冷却池3上部，渣浆泵7安装在冷却池3内，渣浆泵7通过管道5与粉焦沉淀池8相连，离心泵9安装在粉焦沉淀池8内，离心泵9通过管道5与蒸汽吸收器2的喷嘴相连。As shown in Figure 1, the suction hood 1 is installed on the roof of the coke intermediate bin 15, the suction hood 1 is connected to the air inlet 13 at the bottom of the steam absorber 2 through a pipeline 5, and the gas outlet at the top of the steam absorber 2 14 is connected to the induced draft fan 4 through the pipeline 5, the induced draft fan 4 is connected to the steam distributor 6 through the pipeline 5, the steam distributor 6 and the steam absorber 2 are located at the upper part of the cooling pool 3, the slurry pump 7 is installed in the cooling pool 3, and the slag The slurry pump 7 is connected to the powder coke sedimentation tank 8 through the pipeline 5 , the centrifugal pump 9 is installed in the powder coke sedimentation tank 8 , and the centrifugal pump 9 is connected to the nozzle of the steam absorber 2 through the pipeline 5 .
本实用新型的工作过程包括如下步骤：The working process of the present utility model comprises the steps:
(一)焦炭中间仓15产生大量含尘蒸汽，由吸气罩1捕集，经由管道5进入到蒸汽吸收器2，蒸汽吸收器2内的水雾和挡水板11阻集部分高温蒸汽及粉尘颗粒，使蒸汽冷却凝结成水，靠重力作用流入蒸汽吸收器2下部的冷却池3，粉尘颗粒也随着水滴流入冷却池3。(1) The coke intermediate bin 15 produces a large amount of dust-laden steam, which is captured by the suction hood 1 and enters the steam absorber 2 through the pipeline 5. The water mist in the steam absorber 2 and the water baffle 11 block part of the high-temperature steam and dust The particles make the steam cool and condense into water, and flow into the cooling pool 3 at the bottom of the steam absorber 2 by gravity, and the dust particles also flow into the cooling pool 3 along with the water droplets.
(二)引风机4将剩余的蒸汽抽到冷却池3内的蒸汽分配器6，剩余蒸汽由蒸汽分配器6底部的喷气口吹出，被冷却池3内的水冷却凝结成水，粉尘颗粒沉积冷却池3池底。(2) The induced draft fan 4 draws the remaining steam to the steam distributor 6 in the cooling pool 3, and the remaining steam is blown out from the air outlet at the bottom of the steam distributor 6, and is cooled and condensed into water by the water in the cooling pool 3, and the dust particles are deposited Cooling pool 3 pool bottom.
(三)冷却池3的泥渣由渣浆泵7抽到粉焦沉淀池8，粉焦沉淀池8的上清液通过离心泵9抽到蒸汽吸收器2，用于水雾喷洒及挡水板11冲洗。(3) The sludge in the cooling tank 3 is pumped to the powder coke sedimentation tank 8 by the slurry pump 7, and the supernatant of the powder coke sedimentation tank 8 is pumped to the steam absorber 2 through the centrifugal pump 9 for water mist spraying and water retention Plate 11 rinsed.
本实用新型的工作原理为：The working principle of the utility model is:
(一)含尘蒸汽从蒸汽吸收器2进气口13进入，自下而上，与水雾充分接触，使大部分蒸汽冷却凝结成水，未被吸收的少量蒸汽从蒸汽吸收器1顶部通过引风机4经管道5导入冷却池3，使剩余蒸汽再次冷却凝结，实现含尘蒸汽充分净化，避免有毒有害气体污染大气。(1) The dust-laden steam enters from the air inlet 13 of the steam absorber 2, and fully contacts with the water mist from bottom to top, so that most of the steam is cooled and condensed into water, and a small amount of unabsorbed steam passes through the top of the steam absorber 1 The induced draft fan 4 is introduced into the cooling pool 3 through the pipeline 5, so that the remaining steam is cooled and condensed again, and the dust-laden steam is fully purified, and the toxic and harmful gases are prevented from polluting the atmosphere.
(二)蒸汽吸收器2设有两层螺旋喷嘴10，喷嘴10喷流的喷射雾场为实心锥形，布满整个筒体截面实现水雾在蒸汽吸收器中无死角喷洒，与含尘蒸汽接触更充分，有利于蒸汽的凝结和粉尘的沉降。(2) The steam absorber 2 is provided with two layers of spiral nozzles 10, and the spray mist field of the nozzle 10 spray flow is a solid cone, which covers the entire cylinder cross-section and realizes that the water mist is sprayed without dead ends in the steam absorber, and is mixed with the dusty steam. The contact is more sufficient, which is conducive to the condensation of steam and the settlement of dust.
(三)蒸汽吸收器2喷洒用水来自粉焦沉淀池，流入冷却池后再用泵送回粉焦沉淀池8循环使用，不产生新的废水。(3) The spraying water of the steam absorber 2 comes from the powder coke sedimentation tank, flows into the cooling tank and then is pumped back to the powder coke sedimentation tank 8 for recycling, and no new waste water is generated.
(四)蒸汽吸收器2捕集的冷凝水及粉尘由渣浆泵7自冷却池3输送到粉焦沉淀池8，粉焦沉淀池8的污泥定期用抓斗抓出晾晒后送煤场再利用，实现无污染物排放。(4) The condensed water and dust captured by the steam absorber 2 are transported from the cooling tank 3 to the powder coke sedimentation tank 8 by the slurry pump 7, and the sludge in the powder coke sedimentation tank 8 is regularly grabbed with a grab bucket and then sent to the coal yard for drying Reuse to achieve no pollutant discharge.
本实用新型对焦炭加水增湿过程中产生的大量高温含尘水蒸气捕集及净化处理，避免有毒有害气体污染大气，实现了能源的充分利用，实现了无污染物排放，环境效益与经济效益显著。The utility model captures and purifies a large amount of high-temperature dust-containing water vapor generated in the process of adding water and humidifying coke, avoids toxic and harmful gases from polluting the atmosphere, realizes full utilization of energy, realizes no pollutant discharge, environmental benefits and economic benefits significantly.
以上所述，仅为本实用新型较佳的具体实施方式，但本实用新型的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本实用新型揭露的技术范围内，根据本实用新型的技术方案及其实用新型构思加以等同替换或改变，都应涵盖在本实用新型的保护范围之内。The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.
Claims (6)
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| CN201721809121.6U Active CN207734761U (en) | 2017-12-21 | 2017-12-21 | Steam absorption device for coke intermediate bin water-adding humidifying dust-settling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107890732A (en) * | 2017-12-21 | 2018-04-10 | 中冶焦耐(大连)工程技术有限公司 | A vapor absorbing device used in a coke intermediate bin adding water, humidifying and dust-reducing system |
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2017
- 2017-12-21 CN CN201721809121.6U patent/CN207734761U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107890732A (en) * | 2017-12-21 | 2018-04-10 | 中冶焦耐(大连)工程技术有限公司 | A vapor absorbing device used in a coke intermediate bin adding water, humidifying and dust-reducing system |
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