CN204689638U - Water relay pressurization device for desulfurization acid-making circulating cooling water supply - Google Patents
Water relay pressurization device for desulfurization acid-making circulating cooling water supply Download PDFInfo
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- CN204689638U CN204689638U CN201520357944.4U CN201520357944U CN204689638U CN 204689638 U CN204689638 U CN 204689638U CN 201520357944 U CN201520357944 U CN 201520357944U CN 204689638 U CN204689638 U CN 204689638U
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- cooling water
- pressurized
- desulfurization
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 26
- 230000023556 desulfurization Effects 0.000 title claims abstract description 26
- 239000000498 cooling water Substances 0.000 title abstract description 50
- 238000001816 cooling Methods 0.000 claims description 9
- 239000002826 coolant Substances 0.000 claims 7
- 238000004519 manufacturing process Methods 0.000 abstract description 21
- 239000002253 acid Substances 0.000 abstract description 20
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 14
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000004939 coking Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
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- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
本实用新型涉及一种脱硫制酸循环冷却给水接力加压装置，包括加压管道、放空管、直读压力表、加压水泵，冷却水来水管道上通过法兰桥接加压管道，所述加压管道上连接有加压水泵，加压管道两端设有阀门一、阀门二，加压水泵与冷却水来水管道之间设有直读压力表，所述的加压水泵上连接有带阀门的放空管，所述的冷却水来水管道上设有阀门三、阀门四，冷却水来水管道上阀门三与脱硫制酸主管道之间连接加压管道一端，加压管道另一端通过阀门四与冷却水来水管道连接。优点是：提高冷却水主管道的冷却水来水压力和流量，而且可以通过冷却水来水管道的阀门三、阀门四实现根据实际需要调节冷却水的压力和流量。
The utility model relates to a relay pressurization device for circulating cooling water supply for desulfurization and acid production. A pressurized water pump is connected to the pressurized pipeline, valves 1 and 2 are provided at both ends of the pressurized pipeline, and a direct-reading pressure gauge is provided between the pressurized water pump and the cooling water inlet pipeline. The pressurized water pump is connected to There is a vent pipe with a valve. The cooling water inlet pipeline is provided with valve three and valve four. The valve three on the cooling water inlet pipeline is connected to one end of the pressurized pipeline and the main pipeline for desulfurization and acid production. The pressurized pipeline The other end is connected with the cooling water incoming water pipeline through the valve four. The advantage is that the pressure and flow of cooling water in the main cooling water pipeline can be increased, and the pressure and flow of cooling water can be adjusted according to actual needs through valves three and four of the cooling water supply pipeline.
Description
技术领域technical field
本实用新型属于炼焦技术领域，尤其涉及一种脱硫制酸循环冷却给水接力加压装置。The utility model belongs to the technical field of coking, and in particular relates to a relay pressurizing device for circulating cooling feed water for desulfurization and acid production.
背景技术Background technique
炼焦部煤气净化采用真空碳酸钾脱硫、接触法制酸工艺，以工业循环水和制冷机提供的循环低温水作为冷却水。但生产中存在的问题是，由于脱硫制酸工序位置较远，管道流程长，阻力大，导致脱硫制酸工序循环冷却水设计1200m3/h，实际不足900m3/h；循环低温水设计335m3/h，实际不足280m3/h。由此导致出现一系列问题：Gas purification in the coking department adopts vacuum potassium carbonate desulfurization and contact acid production process, and industrial circulating water and circulating low-temperature water provided by refrigerators are used as cooling water. However, the problem in production is that due to the remote location of the desulfurization and acid production process, the long pipeline flow and high resistance, the design of circulating cooling water in the desulfurization and acid production process is 1200m 3 /h, which is actually less than 900m 3 /h; the design of circulating low temperature water is 335m 3 /h, actually less than 280m 3 /h. This leads to a series of problems:
1、真空解析塔出来的酸气不能充分冷凝下来，导致解析塔真空度不足，影响酸气解析效果，进而影响煤气脱硫。1. The acid gas from the vacuum analysis tower cannot be fully condensed, resulting in insufficient vacuum in the analysis tower, affecting the effect of acid gas analysis, and further affecting the desulfurization of coal gas.
2、不能保证硫酸冷却效果，造成硫酸温度过高，腐蚀管道使系统连锁跳车，影响生产。2. The cooling effect of sulfuric acid cannot be guaranteed, causing the temperature of sulfuric acid to be too high, corroding the pipeline and causing the chain trip of the system, affecting production.
发明内容Contents of the invention
为克服现有技术的不足，本实用新型的目的是提供一种脱硫制酸循环冷却给水接力加压装置，为脱硫酸气冷却器和制酸硫酸冷却器提供足够流量和扬程的循环冷却水，确保冷却器有足够的冷却效果，从而提高硫化物脱除效果，减少有害物质外排量，提高硫酸产量。In order to overcome the deficiencies of the prior art, the purpose of this utility model is to provide a desulfurization acid circulating cooling feed water relay pressurization device, which provides sufficient flow and head circulating cooling water for the desulfurization gas cooler and acid sulfuric acid cooler. Ensure that the cooler has sufficient cooling effect, so as to improve the sulfide removal effect, reduce the discharge of harmful substances, and increase the production of sulfuric acid.
为实现上述目的，本实用新型通过以下技术方案实现：In order to achieve the above object, the utility model is realized through the following technical solutions:
一种脱硫制酸循环冷却给水接力加压装置，包括冷却水来水管道、冷却水回水管道、脱硫制酸主管道，冷却水来水管道与冷却水回水管道均与脱硫制酸主管道连接，还包括加压管道、放空管、直读压力表、加压水泵，冷却水来水管道上通过法兰桥接加压管道，所述加压管道上连接有加压水泵，加压管道两端设有阀门一、阀门二，加压水泵与冷却水来水管道之间设有直读压力表，所述的加压水泵上连接有带阀门的放空管，所述的冷却水来水管道上设有阀门三、阀门四，冷却水来水管道上阀门三与脱硫制酸主管道之间连接加压管道一端，冷却水来水管道经阀门四与加压管道另一端连接。A desulfurization acid circulation cooling feed water relay pressurization device, including a cooling water inlet pipeline, a cooling water return pipeline, a desulfurization acid main pipeline, a cooling water inlet pipeline and a cooling water return pipeline are connected to the desulfurization acid main pipeline The connection also includes pressurized pipelines, vent pipes, direct-reading pressure gauges, and pressurized water pumps. The cooling water inlet pipes are bridged with pressurized pipes through flanges, and the pressurized pipes are connected with pressurized water pumps. Valve 1 and valve 2 are provided at both ends, and a direct-reading pressure gauge is provided between the pressurized water pump and the cooling water inlet pipe. The pressurized water pump is connected with a vent pipe with a valve. Valve three and valve four are arranged on the water pipeline, and one end of the pressure pipeline is connected between the valve three and the main pipeline for desulfurization and acid production on the cooling water supply pipeline, and the other end of the pressure pipeline is connected to the cooling water supply pipeline through valve four.
所述的放空管内径小于加压管道内径。The inner diameter of the vent pipe is smaller than the inner diameter of the pressurized pipeline.
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:
提高冷却水主管道的冷却水来水压力和流量，而且可以通过冷却水来水管道的阀门三、阀门四实现根据实际需要调节冷却水的压力和流量。同时可打开桥路的加压管道，经过加压水泵后重新分配到各个用户，不仅可以在冬季和非冬季生产条件下进行转换，很好的满足了脱硫制酸工艺介质冷却的要求，同时还可以实现夏季保产冬季节电的功能。The pressure and flow of cooling water in the main cooling water pipeline can be increased, and the pressure and flow of cooling water can be adjusted according to actual needs through valves three and four of the cooling water pipeline. At the same time, the pressurized pipeline of the bridge road can be opened and redistributed to various users after passing through the pressurized water pump. It can not only be converted under winter and non-winter production conditions, but also satisfies the cooling requirements of the desulfurization acid process medium, and also It can realize the function of ensuring production in summer and saving electricity in winter.
附图说明Description of drawings
图1是本实用新型的结构示意图。Fig. 1 is a structural representation of the utility model.
图中：1-冷却水来水管道 2-冷却水回水管道 3-加压水泵 4-加压管道 5-放空管6-压力表 7-阀门一 8-阀门二 9-阀门三 10-阀门四。In the figure: 1-Cooling water incoming pipe 2-Cooling water return pipe 3-Pressure water pump 4-Pressed pipe 5-Empty pipe 6-Pressure gauge 7-Valve 1 8-Valve 2 9-Valve 3 10- Valve four.
具体实施方式Detailed ways
下面结合说明书附图对本实用新型进行详细地描述，但是应该指出本实用新型的实施不限于以下的实施方式。The utility model is described in detail below in conjunction with the accompanying drawings, but it should be pointed out that the implementation of the utility model is not limited to the following embodiments.
见图1，一种脱硫制酸循环冷却给水接力加压装置，包括冷却水来水管道1、冷却水回水管道2、脱硫制酸主管道，冷却水来水管道1与冷却水回水管道2均与脱硫制酸主管道连接，还包括加压管道4、放空管5、直读压力表6、加压水泵3，冷却水来水管道1上通过法兰桥接加压管道4，所述加压管道4上连接有加压水泵3，加压管道4两端设有阀门一7、阀门二8，加压水泵3与冷却水来水管道1之间设有直读压力表6，所述的加压水泵3上连接有带阀门的放空管5，所述的冷却水来水管道1上设有阀门三9、阀门四10，冷却水来水管道1上阀门三9与脱硫制酸主管道之间连接加压管道4一端，冷却水来水管道1经阀门四10与加压管道4另一端连接。As shown in Figure 1, a relay pressurization device for desulfurization acid production cycle cooling water supply, including cooling water inlet pipeline 1, cooling water return pipeline 2, main pipeline for desulfurization acid production, cooling water inlet pipeline 1 and cooling water return pipeline 2 are connected to the main pipeline for desulfurization and acid production, and also include pressurized pipeline 4, vent pipe 5, direct-reading pressure gauge 6, pressurized water pump 3, and cooling water inlet pipeline 1 is bridged with pressurized pipeline 4 through a flange. A pressurized water pump 3 is connected to the pressurized pipeline 4, a valve 1 7 and a valve 2 8 are arranged at both ends of the pressurized pipeline 4, and a direct-reading pressure gauge 6 is provided between the pressurized water pump 3 and the cooling water incoming pipeline 1, The pressurized water pump 3 is connected with a vent pipe 5 with a valve, the cooling water inlet pipeline 1 is provided with a valve three 9 and a valve four 10, and the cooling water inlet pipeline 1 is provided with a valve three 9 and a desulfurization valve. One end of the pressurized pipeline 4 is connected between the acid-making main pipelines, and the cooling water incoming pipeline 1 is connected with the other end of the pressurized pipeline 4 through the valve 410.
其中，放空管5内径小于加压管道4内径。Wherein, the inner diameter of the vent pipe 5 is smaller than the inner diameter of the pressurized pipeline 4 .
实施例：Example:
首先在DN500的循环冷却水来水管道1上距地面1.7m处增设阀门三9，然后引出一条加压管道4，并通过法兰连接，加压管道4上安装阀门二8，再依次安装直读压力表6、加压水泵3、阀门一7，然后再与冷却水来水管道1通过法兰连接。再在冷却水来水管道1上设置阀门四10，控制冷却水来水管道1进水。最后在加压水泵3上连接通过阀门连接放空管5，冬季放空时使用，此处放空管5采用DN50的管道。First, add valve three 9 to the DN500 circulating cooling water inlet pipe 1 at a distance of 1.7m from the ground, then lead out a pressurized pipe 4, and connect it through a flange, install valve two 8 on the pressurized pipe 4, and then install straight Read pressure gauge 6, pressurized water pump 3, valve one 7, and then connect with cooling water incoming water pipeline 1 through flange. Valve four 10 is set on the cooling water incoming water pipeline 1 again, controls cooling water incoming water pipeline 1 water inlet. Finally, the pressurized water pump 3 is connected to the vent pipe 5 through a valve, and it is used when venting in winter. Here, the vent pipe 5 adopts a pipeline of DN50.
冷却水来水管道1上的两个阀门(阀门一7、阀门二8)作用有两个：一是在正常生产过程中两个阀门处于打开状态，通过两个阀门的开度来调节冷却水流量和压力。二是在冬季生产过程中，这两道阀门处于关闭状态，加压水泵3停止运行并放空。The two valves (valve 1 7 and valve 2 8) on the cooling water supply pipeline 1 have two functions: one is that the two valves are open during the normal production process, and the cooling water is adjusted through the opening of the two valves. flow and pressure. The 2nd, in winter production process, these two valves are in closed state, and pressurized water pump 3 stops running and vents.
加压管道4内径与冷却水来水管道1内径相同，由加压管道4形成的支路的两个阀门(阀门一7、阀门二8)用来控制加压管道4的运行，当冷却水来水管道1的压力不足时(尤其是冬季)，关闭阀门三9，打开阀门一7、阀门二8、阀门四10，通过加压水泵3加压满足生产需求。压力足够时，打开阀门三9、阀门四10，关闭阀门一7、阀门二8，为脱硫制酸主管道供冷却水。The internal diameter of the pressurized pipeline 4 is the same as that of the cooling water incoming pipeline 1. The two valves (valve one 7 and valve two 8) of the branch formed by the pressurized pipeline 4 are used to control the operation of the pressurized pipeline 4. When the cooling water When the pressure of incoming water pipeline 1 is insufficient (especially in winter), close valve three 9, open valve one 7, valve two 8, valve four 10, meet the production demand by pressurization water pump 3 pressurization. When the pressure is sufficient, open valve three 9 and valve four 10, close valve one 7 and valve two 8, and supply cooling water for the main pipeline of desulfurization and acid production.
阀门一7～阀门四10可采用电磁阀，由整体管路控制系统集中控制。Valve 1 7 to valve 4 10 can use solenoid valves, which are centrally controlled by the overall pipeline control system.
应用本装置后，每天多解析出的H2S可转化成硫酸产品5t，硫酸价格按照500元/吨计。则每年多生产硫酸可创效5×365×500＝91.25万元。可减少硫化物排放，改善环境。After applying this device, the extra H 2 S desorbed every day can be converted into 5 tons of sulfuric acid products, and the price of sulfuric acid is calculated at 500 yuan/ton. Then producing more sulfuric acid every year can create benefits of 5×365×500=912,500 yuan. It can reduce sulfide emissions and improve the environment.
本实用新型提高了冷却水主管道的冷却水来水压力和流量，而且可以通过冷却水来水管道的阀门三、阀门四实现根据实际需要调节冷却水的压力和流量。同时可打开桥路的加压管道，经过加压水泵后重新分配到各个用户，不仅可以在冬季和非冬季生产条件下进行转换，很好的满足了脱硫制酸工艺介质冷却的要求，同时还可以实现夏季保产冬季节电的功能。The utility model improves the cooling water incoming pressure and flow of the main cooling water pipeline, and can adjust the cooling water pressure and flow according to actual needs through the valve three and valve four of the cooling water incoming pipeline. At the same time, the pressurized pipeline of the bridge road can be opened and redistributed to various users after passing through the pressurized water pump. It can not only be converted under winter and non-winter production conditions, but also satisfies the cooling requirements of the desulfurization acid process medium. It can realize the function of ensuring production in summer and saving electricity in winter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520357944.4U CN204689638U (en) | 2015-05-27 | 2015-05-27 | Water relay pressurization device for desulfurization acid-making circulating cooling water supply |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520357944.4U CN204689638U (en) | 2015-05-27 | 2015-05-27 | Water relay pressurization device for desulfurization acid-making circulating cooling water supply |
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| Publication Number | Publication Date |
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| CN204689638U true CN204689638U (en) | 2015-10-07 |
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| CN201520357944.4U Expired - Fee Related CN204689638U (en) | 2015-05-27 | 2015-05-27 | Water relay pressurization device for desulfurization acid-making circulating cooling water supply |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151007 Termination date: 20210527 |
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| CF01 | Termination of patent right due to non-payment of annual fee |