WO2023097893A1 - Vertically integrated desulfurization slurry flash evaporation heat extraction system - Google Patents

Vertically integrated desulfurization slurry flash evaporation heat extraction system Download PDF

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Publication number
WO2023097893A1
WO2023097893A1 PCT/CN2022/076455 CN2022076455W WO2023097893A1 WO 2023097893 A1 WO2023097893 A1 WO 2023097893A1 CN 2022076455 W CN2022076455 W CN 2022076455W WO 2023097893 A1 WO2023097893 A1 WO 2023097893A1
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cooling water
slurry
desulfurization slurry
pipeline
inlet
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Chinese (zh)
Inventor
彭烁
周贤
钟迪
姚国鹏
黄永琪
安航
白烨
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Huaneng Clean Energy Research Institute
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Huaneng Clean Energy Research Institute
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/06—Flash distillation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/007—Energy recuperation; Heat pumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/48—Sulfur compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/80—Semi-solid phase processes, i.e. by using slurries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/02—Other waste gases
    • B01D2258/0283—Flue gases

Definitions

  • the application belongs to the field of flue gas waste heat recovery, and relates to an upper and lower integrated desulfurization slurry flash heat raising system.
  • Desulfurization slurry flash heat extraction technology is a new flue gas waste heat recovery technology.
  • the existing flash heating systems are all split-type and arranged in a horizontal direction, which is not conducive to the directional circulation of water vapor, and the heating efficiency is poor.
  • the purpose of this application is to overcome the above-mentioned shortcomings of the prior art, and to provide an upper and lower integrated desulfurization slurry flash heat raising system, which can be arranged in an integrated manner to improve the flow effect of water vapor and improve the heat raising efficiency.
  • An upper and lower integrated desulfurization slurry flash heating system including a tower body and a steam pipe;
  • the tower body consists of upper and lower parts.
  • the upper part is provided with a cooling water inlet, a cooling water outlet and a vacuum pipeline.
  • the cooling water inlet is located above the cooling water outlet, and a vacuum pump is installed in the vacuum pipeline;
  • the lower part is provided with a desulfurization slurry inlet and a cold slurry outlet, and the desulfurization slurry inlet is located above the cold slurry outlet;
  • the upper part and the lower part are sealed, and the steam pipe is used to pass through the sealing area to connect the upper part and the lower part.
  • the top of the steam pipe is located between the cooling water inlet and the cooling water outlet, and a shroud is set directly above the top of the steam pipe. .
  • the cooling water inlet is connected with a cooling water pipe, and the cooling water pipe is arranged horizontally, and a plurality of cooling water spray ports are evenly distributed along the horizontal direction on the cooling water pipe, and the cooling water spray ports are arranged toward the bottom of the tower body.
  • each cooling water spray port is connected with a cooling water atomizing nozzle.
  • the desulfurization slurry inlet is connected with a slurry pipeline, and the slurry pipeline is arranged horizontally, and a plurality of slurry spray ports are evenly distributed along the horizontal direction on the slurry pipeline, and the slurry spray ports are arranged towards the bottom of the tower body.
  • each spray port is connected with a slurry atomizing nozzle.
  • the front end of the vacuum pipeline communicates with the tower body, and baffles are arranged in front and above the front end of the vacuum pipeline.
  • the desulfurization slurry inlet and the cooling water inlet are respectively connected to a slurry pump and a cooling water inlet pump; the cold slurry outlet and the cooling water outlet are respectively connected to a cold slurry pump and a cooling water outlet pump.
  • the shield at the top of the steam pipe adopts a wind cap.
  • a mist eliminator is arranged in the tower body, and the mist eliminator is located between the desulfurization slurry inlet and the bottom end of the steam pipe.
  • This application divides the tower body into upper and lower parts, and the flash evaporation and heat exchange are carried out in a vertical structure.
  • the water vapor can move upward directly without horizontal movement, which improves the flow effect of water vapor, improves the heat raising efficiency, and can effectively
  • the integrated layout, compact connection and high strength can avoid instability problems caused by the height of the equipment.
  • the baffle at the front end of the vacuum pump can prevent cooling water from entering the vacuum pump, causing damage to the vacuum pump.
  • the air cap can prevent the cooling water from entering the lower half of the tower body, and can distribute the flash steam evenly, improve the heat exchange efficiency between the steam and the cooling water, and fully recover the waste heat of the flash steam.
  • FIG. 1 is a schematic diagram of the system structure of the present application.
  • 1-tower body 2-demister; 3-cooling water inlet pump; 4-slurry pipeline; 5-slurry atomizing nozzle; 6-slurry pump; 7-cooling water pipeline; 8-vacuum pump; 9-cooling Water outlet pump; 10-wind cap; 11-baffle; 12-cold slurry pump; 13-steam pipe; 14-baffle.
  • FIG. 1 it is the upper and lower integrated desulfurization slurry flash heating system described in this application, including tower body 1, demister 2, cooling water inlet pump 3, slurry pipeline 4, slurry atomizing nozzle 5, slurry Pump 6, cooling water pipeline 7, vacuum pump 8, cooling water outlet pump 9, air cap 10, baffle 11, cold slurry pump 12, steam pipe 13, partition 14.
  • the tower body 1 has a circular structure, and is divided into two sealed upper and lower parts by a partition plate 14, and the tower body 1 is in a negative pressure environment.
  • the slurry inlet of the slurry pipeline 4 is connected with the cold slurry outlet of the wet desulfurization tower of the coal-fired unit, and extends into the lower half of the tower body 1 .
  • the slurry pipeline 4 is arranged horizontally, and a plurality of slurry atomizing nozzles 5 are evenly distributed on the slurry pipeline 4 along the horizontal direction, and the slurry atomizing nozzles 5 are arranged downward; the slurry pipeline 4 is connected with a slurry pump 6 .
  • a cold slurry outlet is provided at the bottom of the tower body 1, and a cold slurry pump 12 is connected to the cold slurry outlet.
  • a steam pipe 13 is arranged in a hole on the partition, and the steam pipe 13 extends from the top of the lower half into the upper half to connect the upper half with the lower half, and the top of the steam pipe 13 is located between the cooling water inlet and the cooling water outlet In between, a wind cap 14 is set on the top of the steam pipe 13 to prevent spray water from entering the lower half, and a cooling water outlet is set at the bottom of the upper half, and a cooling water outlet pump 9 is arranged in the cooling water outlet.
  • a mist eliminator 2 is arranged inside the tower body 1, and the mist eliminator 2 is located between the slurry pipe 4 and the bottom end of the steam pipe 13.
  • the upper part is provided with a vacuum pipeline, and a vacuum pump 8 is arranged in the vacuum pipeline.
  • the vacuum pump 8 vacuumizes the tower body 1.
  • a baffle 11 is provided in front and above the front end of the vacuum pipeline.
  • the desulfurization slurry from the desulfurization tower enters the slurry pipeline 4, and after being boosted by the slurry pump 6, it is sprayed and broken into small droplets by the slurry atomizing nozzle 5. Since the inner cavity of the tower body 1 is in a negative pressure environment, the slurry droplets are formed Flash evaporation, the water vapor from the flash evaporation enters the steam pipe 13 after demisting by the demister 2, and then enters the upper half. The cooled cold slurry gathers at the bottom of the lower half of the tower body 1, and returns to the desulfurization tower after being boosted by the cold slurry pump 12.
  • the cooling water pipeline 7 is arranged in the upper part and is located above the cooling water outlet.
  • the cooling water inlet pump 3 is arranged in the cooling water pipeline 7.
  • the cooling water enters the cooling water pipeline 7. After being boosted by the cooling water inlet pump 3, it passes through the The water atomizing nozzle sprays and breaks into small droplets, cools and condenses the flashed water vapor, mixes it with it, gathers at the bottom of the upper part, and returns after being boosted by the cooling water outlet pump 9.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Treating Waste Gases (AREA)

Abstract

A vertically integrated desulfurization slurry flash evaporation heat extraction system, comprising a tower (1) and a steam pipe (13). The tower (1) comprises an upper part and a lower part, wherein the upper half part is provided with a cooling water inlet, a cooling water outlet and a vacuum pipeline, with the cooling water inlet being located above the cooling water outlet, and a vacuum pump (8) being provided in the vacuum pipeline; and the lower half part is provided with a desulfurization slurry inlet and a cold slurry outlet, with the desulfurization slurry inlet being located above the cold slurry outlet. The upper half part and the lower half part are arranged in a sealed manner, and are connected to each other by means of the steam pipe (13) passing through a sealed region. The top end of the steam pipe (13) is located between the cooling water inlet and the cooling water outlet, and a shielding plate is provided directly above the top end of the steam pipe (13).

Description

一种上下一体式脱硫浆液闪蒸提热系统An upper and lower integrated desulfurization slurry flash heating system 技术领域technical field

本申请属于烟气余热回收领域，涉及一种上下一体式脱硫浆液闪蒸提热系统。The application belongs to the field of flue gas waste heat recovery, and relates to an upper and lower integrated desulfurization slurry flash heat raising system.

背景技术Background technique

脱硫浆液闪蒸提热技术是一项新型的烟气余热回收技术。但现有的闪蒸提热系统均为分体式设计，并且为水平方向排布，不利于水蒸气的定向流通，提热效率差。Desulfurization slurry flash heat extraction technology is a new flue gas waste heat recovery technology. However, the existing flash heating systems are all split-type and arranged in a horizontal direction, which is not conducive to the directional circulation of water vapor, and the heating efficiency is poor.

发明内容Contents of the invention

本申请的目的在于克服上述现有技术的缺点，提供一种上下一体式脱硫浆液闪蒸提热系统，能够一体化布置，提高水蒸气的流动效果，提高提热效率。The purpose of this application is to overcome the above-mentioned shortcomings of the prior art, and to provide an upper and lower integrated desulfurization slurry flash heat raising system, which can be arranged in an integrated manner to improve the flow effect of water vapor and improve the heat raising efficiency.

为达到上述目的，本申请采用以下技术方案予以实现：In order to achieve the above object, the application adopts the following technical solutions to achieve:

一种上下一体式脱硫浆液闪蒸提热系统，包括塔体和蒸汽管；An upper and lower integrated desulfurization slurry flash heating system, including a tower body and a steam pipe;

塔体包括上下两部分，上半部分设置有冷却水入口、冷却水出口和真空管路，冷却水入口位于冷却水出口上方，真空管路内设置有真空泵；The tower body consists of upper and lower parts. The upper part is provided with a cooling water inlet, a cooling water outlet and a vacuum pipeline. The cooling water inlet is located above the cooling water outlet, and a vacuum pump is installed in the vacuum pipeline;

下半部分设置有脱硫浆液入口和冷浆液出口，脱硫浆液入口位于冷浆液出口上方；The lower part is provided with a desulfurization slurry inlet and a cold slurry outlet, and the desulfurization slurry inlet is located above the cold slurry outlet;

上半部分和下半部分密封设置，采用蒸汽管穿过密封区域将上半部分和下半部分连接，蒸汽管顶端位于冷却水入口和冷却水出口之间，蒸汽管顶端正上方设置有遮板。The upper part and the lower part are sealed, and the steam pipe is used to pass through the sealing area to connect the upper part and the lower part. The top of the steam pipe is located between the cooling water inlet and the cooling water outlet, and a shroud is set directly above the top of the steam pipe. .

优选的，冷却水入口连接有冷却水管道，冷却水管道水平设置，冷却水管道上沿水平方向均布有多个冷却水喷淋口，冷却水喷淋口朝向塔体底端设置。Preferably, the cooling water inlet is connected with a cooling water pipe, and the cooling water pipe is arranged horizontally, and a plurality of cooling water spray ports are evenly distributed along the horizontal direction on the cooling water pipe, and the cooling water spray ports are arranged toward the bottom of the tower body.

进一步，每个冷却水喷淋口均连接有一个冷却水雾化喷嘴。Further, each cooling water spray port is connected with a cooling water atomizing nozzle.

优选的，脱硫浆液入口连接有浆液管道，浆液管道水平设置，浆液管道上 沿水平方向均布有多个浆液喷淋口，浆液喷淋口朝向塔体底端设置。Preferably, the desulfurization slurry inlet is connected with a slurry pipeline, and the slurry pipeline is arranged horizontally, and a plurality of slurry spray ports are evenly distributed along the horizontal direction on the slurry pipeline, and the slurry spray ports are arranged towards the bottom of the tower body.

进一步，每个喷淋口均连接有一个浆液雾化喷嘴。Further, each spray port is connected with a slurry atomizing nozzle.

优选的，真空管路前端与塔体内连通，真空管路前端的前方与上方设置有挡板。Preferably, the front end of the vacuum pipeline communicates with the tower body, and baffles are arranged in front and above the front end of the vacuum pipeline.

优选的，脱硫浆液入口和冷却水入口分别连接有浆液泵和冷却水进口泵；冷浆液出口和冷却水出口分别连接有冷浆液泵和冷却水出口泵。Preferably, the desulfurization slurry inlet and the cooling water inlet are respectively connected to a slurry pump and a cooling water inlet pump; the cold slurry outlet and the cooling water outlet are respectively connected to a cold slurry pump and a cooling water outlet pump.

优选的，蒸汽管顶端的遮板采用风帽。Preferably, the shield at the top of the steam pipe adopts a wind cap.

优选的，塔体内设置有除雾器，除雾器位于脱硫浆液进口和蒸汽管底端之间。Preferably, a mist eliminator is arranged in the tower body, and the mist eliminator is located between the desulfurization slurry inlet and the bottom end of the steam pipe.

与现有技术相比，本申请具有以下有益效果：Compared with the prior art, the present application has the following beneficial effects:

本申请通过将塔体分为上下两部分，闪蒸和换热在垂直结构中进行，水蒸气能够直接向上移动，不需要水平移动，提高水蒸气的流动效果，提高了提热效率，并且能有效为降低闪蒸塔的占地面积，一体化布置，连接紧凑，强度高，避免因设备高度原因产生的不稳定问题。This application divides the tower body into upper and lower parts, and the flash evaporation and heat exchange are carried out in a vertical structure. The water vapor can move upward directly without horizontal movement, which improves the flow effect of water vapor, improves the heat raising efficiency, and can effectively In order to reduce the footprint of the flash tower, the integrated layout, compact connection and high strength can avoid instability problems caused by the height of the equipment.

进一步，真空泵前端的挡板能够防止冷却水进入真空泵中，造成真空泵的损坏。Further, the baffle at the front end of the vacuum pump can prevent cooling water from entering the vacuum pump, causing damage to the vacuum pump.

进一步，风帽能够防止冷却水进入塔体下半部分，且能对闪蒸蒸汽起到分流均布的作用，提高蒸汽与冷却水的换热效率，充分回收闪蒸蒸汽余热。Furthermore, the air cap can prevent the cooling water from entering the lower half of the tower body, and can distribute the flash steam evenly, improve the heat exchange efficiency between the steam and the cooling water, and fully recover the waste heat of the flash steam.

附图说明Description of drawings

图1为本申请的系统结构示意图。FIG. 1 is a schematic diagram of the system structure of the present application.

其中：1-塔体；2-除雾器；3-冷却水进口泵；4-浆液管道；5-浆液雾化喷嘴；6-浆液泵；7-冷却水管道；8-真空泵；9-冷却水出口泵；10-风帽；11-挡板；12-冷浆液泵；13-蒸汽管；14-隔板。Among them: 1-tower body; 2-demister; 3-cooling water inlet pump; 4-slurry pipeline; 5-slurry atomizing nozzle; 6-slurry pump; 7-cooling water pipeline; 8-vacuum pump; 9-cooling Water outlet pump; 10-wind cap; 11-baffle; 12-cold slurry pump; 13-steam pipe; 14-baffle.

具体实施方式Detailed ways

下面结合附图对本申请做进一步详细描述：Below in conjunction with accompanying drawing, the application is described in further detail:

如图1所示，为本申请所述的上下一体式脱硫浆液闪蒸提热系统，包括塔 体1、除雾器2、冷却水进口泵3、浆液管道4、浆液雾化喷嘴5、浆液泵6、冷却水管道7、真空泵8、冷却水出口泵9、风帽10、挡板11、冷浆液泵12、蒸汽管13、隔板14。As shown in Figure 1, it is the upper and lower integrated desulfurization slurry flash heating system described in this application, including tower body 1, demister 2, cooling water inlet pump 3, slurry pipeline 4, slurry atomizing nozzle 5, slurry Pump 6, cooling water pipeline 7, vacuum pump 8, cooling water outlet pump 9, air cap 10, baffle 11, cold slurry pump 12, steam pipe 13, partition 14.

其中，所述塔体1呈圆形结构，通过隔板14分成密封的上下两个部分，塔体1为负压环境。Wherein, the tower body 1 has a circular structure, and is divided into two sealed upper and lower parts by a partition plate 14, and the tower body 1 is in a negative pressure environment.

所述浆液管道4的进浆口与燃煤机组湿法脱硫塔的冷浆液出口连接，伸入塔体1下半部分中。所述浆液管道4水平设置，浆液管道4上沿水平方向均布有多个浆液雾化喷嘴5，浆液雾化喷嘴5朝下设置；浆液管道4连接有浆液泵6。The slurry inlet of the slurry pipeline 4 is connected with the cold slurry outlet of the wet desulfurization tower of the coal-fired unit, and extends into the lower half of the tower body 1 . The slurry pipeline 4 is arranged horizontally, and a plurality of slurry atomizing nozzles 5 are evenly distributed on the slurry pipeline 4 along the horizontal direction, and the slurry atomizing nozzles 5 are arranged downward; the slurry pipeline 4 is connected with a slurry pump 6 .

所述塔体1的底部设置冷浆液出口，冷浆液出口连接有冷浆液泵12。A cold slurry outlet is provided at the bottom of the tower body 1, and a cold slurry pump 12 is connected to the cold slurry outlet.

隔板上开孔布置一个蒸汽管13，蒸汽管13从下半部分顶部伸入到上半部分内，将上半部分和下半部分连接，蒸汽管13顶端位于冷却水入口和冷却水出口之间，蒸汽管13顶部设置风帽14，防止喷淋水进入下半部分，上半部分底部设置冷却水出口，冷却水出口内设置有冷却水出口泵9。A steam pipe 13 is arranged in a hole on the partition, and the steam pipe 13 extends from the top of the lower half into the upper half to connect the upper half with the lower half, and the top of the steam pipe 13 is located between the cooling water inlet and the cooling water outlet In between, a wind cap 14 is set on the top of the steam pipe 13 to prevent spray water from entering the lower half, and a cooling water outlet is set at the bottom of the upper half, and a cooling water outlet pump 9 is arranged in the cooling water outlet.

塔体1内设置有除雾器2，除雾器2位于浆液管道4和蒸汽管13底端之间。A mist eliminator 2 is arranged inside the tower body 1, and the mist eliminator 2 is located between the slurry pipe 4 and the bottom end of the steam pipe 13.

上半部分设置有真空管路，真空管路内设置有真空泵8，真空泵8为塔体1抽真空，真空管路前端的前方与上方设置有挡板11，挡板11能够防止液滴进入真空泵8。The upper part is provided with a vacuum pipeline, and a vacuum pump 8 is arranged in the vacuum pipeline. The vacuum pump 8 vacuumizes the tower body 1. A baffle 11 is provided in front and above the front end of the vacuum pipeline.

从脱硫塔来的脱硫浆液进入浆液管道4，经过浆液泵6升压后，通过浆液雾化喷嘴5喷淋破碎成小液滴，由于塔体1的内腔为负压环境，浆液液滴发生闪蒸，闪蒸出的水蒸气经过除雾器2除雾后进入蒸汽管13，然后进入上半部分内。降温后的冷浆液在塔体1的下半部分的底部聚集后，通过冷浆液泵12升压后回到脱硫塔。The desulfurization slurry from the desulfurization tower enters the slurry pipeline 4, and after being boosted by the slurry pump 6, it is sprayed and broken into small droplets by the slurry atomizing nozzle 5. Since the inner cavity of the tower body 1 is in a negative pressure environment, the slurry droplets are formed Flash evaporation, the water vapor from the flash evaporation enters the steam pipe 13 after demisting by the demister 2, and then enters the upper half. The cooled cold slurry gathers at the bottom of the lower half of the tower body 1, and returns to the desulfurization tower after being boosted by the cold slurry pump 12.

冷却水管道7布置在上半部分内，位于冷却水出口上方，冷却水管道7内设置有冷却水进口泵3，冷却水进入冷却水管道7，经过冷却水进口泵3升压 后，通过冷却水雾化喷嘴喷淋破碎成小液滴，将闪蒸出的水蒸气降温冷凝，并与之混合后，在上半部分的底部聚集，通过冷却水出口泵9升压后返回。The cooling water pipeline 7 is arranged in the upper part and is located above the cooling water outlet. The cooling water inlet pump 3 is arranged in the cooling water pipeline 7. The cooling water enters the cooling water pipeline 7. After being boosted by the cooling water inlet pump 3, it passes through the The water atomizing nozzle sprays and breaks into small droplets, cools and condenses the flashed water vapor, mixes it with it, gathers at the bottom of the upper part, and returns after being boosted by the cooling water outlet pump 9.

最后应当说明的是：以上实施例仅用以说明本申请的技术方案而非对其限制，尽管参照上述实施例对本申请进行了详细的说明，所属领域的普通技术人员应当理解：依然可以对本申请的具体实施方式进行修改或者等同替换，而未脱离本申请精神和范围的任何修改或者等同替换，其均应涵盖在本申请的权利要求保护范围之内。Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application and not to limit them. Although the present application has been described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: the present application can still be Any modification or equivalent replacement that does not depart from the spirit and scope of the present application shall fall within the protection scope of the claims of the present application.

Claims (9)

一种上下一体式脱硫浆液闪蒸提热系统，其特征在于，包括塔体(1)和蒸汽管(13)；An upper and lower integrated desulfurization slurry flash heating system, characterized in that it includes a tower body (1) and a steam pipe (13); 塔体(1)包括上下两部分，上半部分设置有冷却水入口、冷却水出口和真空管路，冷却水入口位于冷却水出口上方，真空管路内设置有真空泵(8)；The tower body (1) includes upper and lower parts, the upper part is provided with a cooling water inlet, a cooling water outlet and a vacuum pipeline, the cooling water inlet is located above the cooling water outlet, and a vacuum pump (8) is arranged in the vacuum pipeline; 下半部分设置有脱硫浆液入口和冷浆液出口，脱硫浆液入口位于冷浆液出口上方；The lower part is provided with a desulfurization slurry inlet and a cold slurry outlet, and the desulfurization slurry inlet is located above the cold slurry outlet; 上半部分和下半部分密封设置，采用蒸汽管(13)穿过密封区域将上半部分和下半部分连接，蒸汽管(13)顶端位于冷却水入口和冷却水出口之间，蒸汽管(13)顶端正上方设置有遮板。The upper half and the lower half are sealed, and the steam pipe (13) is used to pass through the sealing area to connect the upper half and the lower half. The top of the steam pipe (13) is located between the cooling water inlet and the cooling water outlet, and the steam pipe ( 13) There is a shield directly above the top. 根据权利要求1所述的上下一体式脱硫浆液闪蒸提热系统，其特征在于，冷却水入口连接有冷却水管道(7)，冷却水管道(7)水平设置，冷却水管道(7)上沿水平方向均布有多个冷却水喷淋口，冷却水喷淋口朝向塔体(1)底端设置。The upper and lower integrated desulfurization slurry flash heating system according to claim 1, characterized in that the cooling water inlet is connected with a cooling water pipeline (7), the cooling water pipeline (7) is arranged horizontally, and the cooling water pipeline (7) is A plurality of cooling water spray ports are evenly distributed along the horizontal direction, and the cooling water spray ports are arranged towards the bottom of the tower body (1). 根据权利要求2所述的上下一体式脱硫浆液闪蒸提热系统，其特征在于，每个冷却水喷淋口均连接有一个冷却水雾化喷嘴。The upper and lower integrated desulfurization slurry flash heat raising system according to claim 2, wherein each cooling water spray port is connected with a cooling water atomizing nozzle. 根据权利要求1所述的上下一体式脱硫浆液闪蒸提热系统，其特征在于，脱硫浆液入口连接有浆液管道(4)，浆液管道(4)水平设置，浆液管道(4)上沿水平方向均布有多个浆液喷淋口，浆液喷淋口朝向塔体(1)底端设置。The upper and lower integrated desulfurization slurry flash heating system according to claim 1, characterized in that, the desulfurization slurry inlet is connected with a slurry pipeline (4), the slurry pipeline (4) is arranged horizontally, and the upper surface of the slurry pipeline (4) is along the horizontal direction A plurality of slurry spray ports are evenly distributed, and the slurry spray ports are arranged towards the bottom of the tower body (1). 根据权利要求4所述的上下一体式脱硫浆液闪蒸提热系统，其特征在于，每个喷淋口均连接有一个浆液雾化喷嘴(5)。The upper and lower integrated desulfurization slurry flash heat raising system according to claim 4, characterized in that each spray port is connected with a slurry atomizing nozzle (5). 根据权利要求1所述的上下一体式脱硫浆液闪蒸提热系统，其特征在于，真空管路前端与塔体(1)内连通，真空管路前端的前方与上方设置有挡板(11)。The upper and lower integrated desulfurization slurry flash heating system according to claim 1, characterized in that the front end of the vacuum pipeline communicates with the tower body (1), and baffles (11) are arranged in front and above the front end of the vacuum pipeline. 根据权利要求1所述的上下一体式脱硫浆液闪蒸提热系统，其特征在于，脱硫浆液入口和冷却水入口分别连接有浆液泵(6)和冷却水进口泵(3)；冷浆液出口和冷却水出口分别连接有冷浆液泵(12)和冷却水出口泵(9)。The upper and lower integrated desulfurization slurry flash heating system according to claim 1, characterized in that the desulfurization slurry inlet and the cooling water inlet are respectively connected with a slurry pump (6) and a cooling water inlet pump (3); the cold slurry outlet and The cooling water outlet is respectively connected with a cold slurry pump (12) and a cooling water outlet pump (9). 根据权利要求1所述的上下一体式脱硫浆液闪蒸提热系统，其特征在于， 蒸汽管(13)顶端的遮板采用风帽(10)。The upper and lower integrated desulfurization slurry flash heat raising system according to claim 1, characterized in that the hood (10) is used as the shutter at the top of the steam pipe (13). 根据权利要求1所述的上下一体式脱硫浆液闪蒸提热系统，其特征在于，塔体(1)内设置有除雾器(2)，除雾器(2)位于脱硫浆液进口和蒸汽管(13)底端之间。The upper and lower integrated desulfurization slurry flash heating system according to claim 1, characterized in that, the tower body (1) is provided with a demister (2), and the demister (2) is located between the desulfurization slurry inlet and the steam pipe (13) Between the bottom ends.
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