CN216653425U - Single-cylinder type desulfurization slurry flash evaporation heat extraction system - Google Patents
Single-cylinder type desulfurization slurry flash evaporation heat extraction system Download PDFInfo
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- CN216653425U CN216653425U CN202122999939.1U CN202122999939U CN216653425U CN 216653425 U CN216653425 U CN 216653425U CN 202122999939 U CN202122999939 U CN 202122999939U CN 216653425 U CN216653425 U CN 216653425U
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- slurry
- cooling water
- desulfurization slurry
- inlet
- tower body
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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
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- 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
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model discloses a single-cylinder desulfurization slurry flash evaporation heat-extraction system, which comprises a tower body; a partition plate is arranged in the tower body and divides the tower body into a left part and a right part, and the tops of the left part and the right part are communicated; the left half part is provided with a desulfurization slurry inlet and a cold slurry outlet, and the desulfurization slurry inlet is positioned above the cold slurry outlet; the right half part is provided with a cooling water inlet, a cooling water outlet and a vacuum pipeline, the cooling water inlet is positioned above the cooling water outlet, and a vacuum pump is arranged in the vacuum pipeline. The space utilization rate of the flash evaporation heat extraction system is improved, and the occupied area is reduced.
Description
Technical Field
The utility model belongs to the field of flash towers, and relates to a single-cylinder desulfurization slurry flash evaporation heat-extraction system.
Background
The desulfurization slurry flash evaporation heat extraction technology utilizes the characteristic that the boiling point of slurry in a wet flue gas desulfurization process is reduced along with the reduction of environmental pressure, so that the desulfurization slurry above the current negative pressure saturation temperature is subjected to flash evaporation, and the generated negative pressure steam carries latent heat of vaporization. However, the space of the power plant is limited, and the floor space of the flash evaporation heat-extraction system is difficult to reduce.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a single-cylinder desulfurization slurry flash evaporation heat-extraction system, so that the space utilization rate of the flash evaporation heat-extraction system is improved, and the occupied area is reduced.
In order to achieve the purpose, the utility model adopts the following technical scheme to realize the purpose:
a single-cylinder desulfurization slurry flash evaporation heat-extraction system comprises a tower body;
a partition plate is arranged in the tower body and divides the tower body into a left part and a right part, and the tops of the left part and the right part are communicated;
the left half part is provided with a desulfurization slurry inlet and a cold slurry outlet, and the desulfurization slurry inlet is positioned above the cold slurry outlet;
the right half part is provided with a cooling water inlet, a cooling water outlet and a vacuum pipeline, the cooling water inlet is positioned above the cooling water outlet, and a vacuum pump is arranged in the vacuum pipeline.
Preferably, the front end of the vacuum pipeline is communicated with the interior of the right half part, and a shielding plate is arranged in front of and above the front end of the vacuum pipeline.
Preferably, a demister is arranged in the left half part and is positioned above the inlet of the desulfurization slurry.
Preferably, the desulfurization slurry inlet is connected with cloth thick liquid pipeline, and cloth thick liquid pipeline lies in left half, and cloth thick liquid pipeline level sets up, and it has a plurality of thick liquid exports to follow its axial direction equipartition on the cloth thick liquid pipeline, and the thick liquid export sets up towards the tower body bottom.
Preferably, a first nozzle is connected to each slurry outlet.
Preferably, the cooling water inlet is connected with a water distribution pipeline, the water distribution pipeline is positioned in the right half part, the water distribution pipeline is horizontally arranged, a plurality of water outlets are uniformly distributed on the water distribution pipeline along the axial direction of the water distribution pipeline, and the water outlets are arranged towards the bottom of the tower body.
Preferably, a second nozzle is connected to each water outlet.
Preferably, the desulfurization slurry inlet and the cooling water inlet are respectively connected with a slurry pump and a cooling water inlet pump; the cold slurry outlet and the cooling water outlet are respectively connected with a cold slurry pump and a cooling water outlet pump.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model divides the tower body into a left part and a right part through the clapboard, so that the areas of slurry and cooling water are separated, two works of flash evaporation and steam cooling are completed in the space of the tower body, and the floor area of the flash evaporation tower is effectively reduced.
Furthermore, the shielding plate at the front end of the vacuum pump can prevent cooling water from entering the vacuum pump to cause damage to the vacuum pump.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention.
Wherein: 1-a tower body; 2-a demister; 3-cooling water inlet pump; 4-laying a slurry pipeline; 5-a first nozzle; 6-slurry pump; 7-water distribution pipeline; 8-a vacuum pump; 9-cooling water outlet pump; 10-a second nozzle; 11-a shielding plate; 12-Cold slurry Pump.
Detailed Description
The utility model is described in further detail below with reference to the accompanying drawings:
as shown in fig. 1, the desulfurization slurry flash evaporation heat-extraction system with vertical layout according to the present invention includes a tower body 1, a demister 2, a cooling water inlet pump 3, a slurry distribution pipeline 4, a first nozzle 5, a slurry pump 6, a water distribution pipeline 7, a vacuum pump 8, a cooling water outlet pump 9, a second nozzle 10, a baffle plate 11, and a cold slurry pump 12.
Wherein, tower body 1 is circular single-cylinder structure, sets up a baffle in the middle of the tower body 1, and the baffle bottom is connected with tower body 1, and partial space is left on upper portion, and the baffle is divided into about tower body 1 two semi-circular section of thick bamboos, and half one on the left side is a thick liquid section of thick bamboo, and half one on the right side is a cooling water section of thick bamboo.
The cavity of the tower body 1 is in a negative pressure environment; a plurality of first nozzles 5 are uniformly distributed on the slurry distribution pipeline 4 along the axial direction; the slurry inlet of the slurry distribution pipeline 4 is connected with a desulfurization slurry outlet of a wet desulfurization tower of the coal-fired unit and extends into the left half part, and the slurry distribution pipeline 4 is connected with a slurry pump 6.
The bottom of the left half part is provided with a cold slurry outlet which is connected with a cold slurry pump 12.
The left half part is internally provided with a demister 2, and the demister 2 is positioned above the inlet of the desulfurization slurry.
The right half part is provided with a cooling water inlet, a cooling water outlet and a vacuum pipeline, the cooling water inlet is positioned above the cooling water outlet, and a vacuum pump 8 is arranged in the vacuum pipeline.
The vacuum pump 8 is the tower body 1 evacuation, and vacuum pipe front end and the inside intercommunication of half right, the place ahead and the top of vacuum pipe front end are provided with shielding plate 11, prevent that the liquid drop from getting into vacuum pump 8.
The cooling water inlet is connected with a water distribution pipeline 7, the water distribution pipeline 7 is positioned in the right half part, the water distribution pipeline 7 is horizontally arranged, a plurality of water outlets are uniformly distributed on the water distribution pipeline 7 along the axial direction of the water distribution pipeline, and the water outlets are arranged towards the bottom of the tower body 1. A second nozzle 10 is connected to each water outlet.
A cooling water inlet is positioned at the top of the right half part of the tower body 1 and is connected with a cooling water inlet pump 3; the cooling water outlet is positioned at the bottom of the right half part of the tower body 1 and is connected with a cooling water outlet pump 9.
The desulfurization slurry that comes from the desulfurizing tower gets into cloth thick liquid pipeline 4, and 6 backs of stepping up through the thick liquid pump, sprays through first nozzle 5 and breaks into the left half of dribble entering tower body 1, because the inner chamber of tower body 1 is the negative pressure environment, and the flash distillation takes place for the thick liquid drop, and the vapor that the flash distillation goes out gets into the right half of tower body 1 after the defogging of defroster 2. The cooled cold slurry is collected at the bottom of the left half, and then is pressurized by the cold slurry pump 12 and then returns to the desulfurization tower.
Cooling water enters the water distribution pipeline, is sprayed and crushed into small liquid drops through the second nozzle 10 after being boosted by the cooling water inlet pump 3, is cooled and condensed by water vapor flashed out, is gathered at the bottom of the right half part after being mixed with the water vapor, and is returned after being boosted by the cooling water outlet pump 9.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the utility model without departing from the spirit and scope of the utility model, which is to be covered by the claims.
Claims (8)
1. A single-cylinder desulfurization slurry flash evaporation heat-extraction system is characterized by comprising a tower body (1);
a clapboard is arranged in the tower body (1) and divides the tower body (1) into a left part and a right part, and the tops of the left part and the right part are communicated;
the left half part is provided with a desulfurization slurry inlet and a cold slurry outlet, and the desulfurization slurry inlet is positioned above the cold slurry outlet;
the right half part is provided with a cooling water inlet, a cooling water outlet and a vacuum pipeline, the cooling water inlet is positioned above the cooling water outlet, and a vacuum pump (8) is arranged in the vacuum pipeline.
2. A single-drum desulfurization slurry flash evaporation heat-extraction system according to claim 1, characterized in that the front end of the vacuum pipe is communicated with the interior of the right half part, and a shielding plate (11) is arranged in front of and above the front end of the vacuum pipe.
3. The single-drum desulfurization slurry flash evaporation heat-extraction system according to claim 1, characterized in that a demister (2) is arranged in the left half part, and the demister (2) is positioned above the desulfurization slurry inlet.
4. The single-drum desulfurization slurry flash evaporation heat-extraction system according to claim 1, characterized in that the desulfurization slurry inlet is connected with a slurry distribution pipe (4), the slurry distribution pipe (4) is located in the left half, the slurry distribution pipe (4) is horizontally arranged, a plurality of slurry outlets are uniformly distributed on the slurry distribution pipe (4) along the axial direction, and the slurry outlets are arranged towards the bottom of the tower body (1).
5. A single barrel desulfurization slurry flash heat removal system according to claim 1, characterized in that one first nozzle (5) is connected to each slurry outlet.
6. The single-drum desulfurization slurry flash evaporation heat-extraction system according to claim 1, characterized in that the cooling water inlet is connected with a water distribution pipe (7), the water distribution pipe (7) is located in the right half part, the water distribution pipe (7) is horizontally arranged, a plurality of water outlets are uniformly distributed on the water distribution pipe (7) along the axial direction thereof, and the water outlets are arranged towards the bottom of the tower body (1).
7. A single barrel desulfurization slurry flash heat removal system according to claim 1, characterized in that one second nozzle (10) is connected to each water outlet.
8. The single-cylinder desulfurization slurry flash evaporation heat-extraction 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 are respectively connected with a cold slurry pump (12) and a cooling water outlet pump (9).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122999939.1U CN216653425U (en) | 2021-11-30 | 2021-11-30 | Single-cylinder type desulfurization slurry flash evaporation heat extraction system |
| PCT/CN2022/076461 WO2023097894A1 (en) | 2021-11-30 | 2022-02-16 | Single-cylinder-type desulfurization slurry flash evaporation heat extraction system and operation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122999939.1U CN216653425U (en) | 2021-11-30 | 2021-11-30 | Single-cylinder type desulfurization slurry flash evaporation heat extraction system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216653425U true CN216653425U (en) | 2022-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122999939.1U Active CN216653425U (en) | 2021-11-30 | 2021-11-30 | Single-cylinder type desulfurization slurry flash evaporation heat extraction system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN216653425U (en) |
| WO (1) | WO2023097894A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023097894A1 (en) * | 2021-11-30 | 2023-06-08 | 中国华能集团清洁能源技术研究院有限公司 | Single-cylinder-type desulfurization slurry flash evaporation heat extraction system and operation method thereof |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104906818B (en) * | 2015-06-08 | 2017-05-17 | 山东大学 | Slurry vacuum distillation system and process based on wet flue gas desulfurization |
| CN204891254U (en) * | 2015-09-07 | 2015-12-23 | 温州市洪都轻工机械有限公司 | Single -effect concentrator |
| CN108686474B (en) * | 2017-04-12 | 2021-01-29 | 北京华石联合能源科技发展有限公司 | Efficient desulfurization and regeneration integrated system using suspension bed |
| CN208583137U (en) * | 2018-06-21 | 2019-03-08 | 霍德武 | A kind of flue gas processing device |
| CN209464873U (en) * | 2018-09-21 | 2019-10-08 | 大唐东北电力试验研究院有限公司 | A kind of cooling of desulfurization slurry and smoke waste heat utilization system |
| CN111536816A (en) * | 2020-05-29 | 2020-08-14 | 华能国际电力股份有限公司 | Coal-fired unit desulfurization slurry flash evaporation heat extraction water taking device and method |
| CN216653425U (en) * | 2021-11-30 | 2022-06-03 | 中国华能集团清洁能源技术研究院有限公司 | Single-cylinder type desulfurization slurry flash evaporation heat extraction system |
| CN114028829A (en) * | 2021-11-30 | 2022-02-11 | 中国华能集团清洁能源技术研究院有限公司 | Single-cylinder desulfurization slurry flash evaporation heat extraction system and working method thereof |
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2021
- 2021-11-30 CN CN202122999939.1U patent/CN216653425U/en active Active
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2022
- 2022-02-16 WO PCT/CN2022/076461 patent/WO2023097894A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023097894A1 (en) * | 2021-11-30 | 2023-06-08 | 中国华能集团清洁能源技术研究院有限公司 | Single-cylinder-type desulfurization slurry flash evaporation heat extraction system and operation method thereof |
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| Publication number | Publication date |
|---|---|
| WO2023097894A1 (en) | 2023-06-08 |
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