CN216653426U - Sleeve type desulfurization slurry flash evaporation heat extraction system - Google Patents
Sleeve type desulfurization slurry flash evaporation heat extraction system Download PDFInfo
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- CN216653426U CN216653426U CN202123000186.5U CN202123000186U CN216653426U CN 216653426 U CN216653426 U CN 216653426U CN 202123000186 U CN202123000186 U CN 202123000186U CN 216653426 U CN216653426 U CN 216653426U
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- cooling water
- desulfurization slurry
- inlet pipe
- flash evaporation
- evaporation heat
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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
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Abstract
The utility model discloses a sleeve type desulfurization slurry flash evaporation heat extraction system, which comprises a tower body; the tower body is a cylinder, the inside of the tower body comprises an inner cylinder and an outer cylinder which are coaxial, the bottoms of the inner cylinder and the outer cylinder are arranged at intervals, and the tops of the inner cylinder and the outer cylinder are communicated; the inner cylinder is provided with a desulfurization slurry liquid inlet pipe and a cold slurry liquid outlet pipe, and the desulfurization slurry liquid inlet pipe is positioned above the cold slurry liquid outlet pipe; the outer cylinder is provided with a vacuumizing pipeline, a cooling water inlet pipe and a cooling water outlet pipe, and the cooling water inlet pipe is positioned above the cooling water outlet pipe; a vacuum pump is arranged in the vacuum-pumping pipeline. The flow stroke of the cold slurry is shortened, and the blockage of the cold slurry is avoided.
Description
Technical Field
The utility model belongs to the field of desulfurization slurry flash evaporation, and relates to a sleeve type desulfurization slurry flash evaporation heat extraction system.
Background
The desulfurization slurry flash evaporation heat extraction technology establishes a vacuum phase change environment, so that the desulfurization slurry above the current negative pressure saturation temperature is subjected to flash evaporation, negative pressure steam is generated and carried with vaporization latent heat to be conveyed into an absorption heat pump to be condensed and released heat to a low-temperature medium, and the characteristic that the boiling point of the slurry in the wet flue gas desulfurization process is reduced along with the reduction of the environmental pressure is utilized.
However, in the existing desulfurization slurry flash evaporation heat-extraction technology, after the desulfurization slurry is subjected to flash evaporation, the cold slurry flows slowly, the flowing stroke is long, and the blockage is easy to occur.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a sleeve type desulfurization slurry flash evaporation heat-extraction system, which shortens the flowing stroke of cold slurry and avoids the blockage of the cold slurry.
In order to achieve the purpose, the utility model adopts the following technical scheme to realize the purpose:
a sleeve type desulfurization slurry flash evaporation heat extraction system comprises a tower body;
the tower body is a cylinder, the inside of the tower body comprises an inner cylinder and an outer cylinder which are coaxial, the bottoms of the inner cylinder and the outer cylinder are arranged at intervals, and the tops of the inner cylinder and the outer cylinder are communicated;
the inner cylinder is provided with a desulfurization slurry liquid inlet pipe and a cold slurry liquid outlet pipe, and the desulfurization slurry liquid inlet pipe is positioned above the cold slurry liquid outlet pipe;
the outer cylinder is provided with a vacuumizing pipeline, a cooling water inlet pipe and a cooling water outlet pipe, and the cooling water inlet pipe is positioned above the cooling water outlet pipe; a vacuum pump is arranged in the vacuumizing pipeline.
Preferably, a plurality of cooling water inlet pipes are uniformly distributed on the outer cylinder along the circumferential direction.
Preferably, the number of the cooling water inlet pipes is four.
Preferably, desulfurization slurry feed liquor pipe level sets up, and its length direction equipartition has a plurality of first exports on the desulfurization slurry feed liquor pipe, and first export sets up towards tower body bottom.
Further, a first nozzle is connected to each first outlet.
Preferably, the cooling water inlet pipe level sets up, and it has a plurality of second exports to follow its length direction equipartition on the cooling water inlet pipe, and the second export sets up towards the tower body bottom.
Further, a second nozzle is connected to each second outlet.
Preferably, a demister is arranged in the inner barrel and is positioned above the desulfurization slurry liquid inlet pipe.
Preferably, the front end of the vacuumizing pipeline is communicated with the inside of the outer barrel, and water-stop plates are arranged in front of and above the front end of the vacuumizing pipeline.
Compared with the prior art, the utility model has the following beneficial effects:
the inner cylinder is set as the slurry cylinder, so that the flow stroke of cold slurry is shortened, the cold slurry can be effectively prevented from being blocked, and the tower body adopts a sleeve type structure, so that the occupied area of a flash evaporation heat extraction system is reduced, and the space utilization rate of the flash evaporation heat extraction system is improved.
Furthermore, the outer barrel is a cooling water barrel, a plurality of cooling water inlet pipes are uniformly distributed in the circumferential direction of the outer barrel, so that the heat exchange efficiency can be improved, and the waste heat of flash steam can be fully recovered.
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-desulfurization slurry inlet pipe; 5-a first nozzle; 6-slurry pump; 7-cooling water inlet pipe; 8-a vacuum pump; 9-a cooling water outlet pump; 10-a second nozzle; 11-a water-stop sheet; 12-Cold slurry Pump.
Detailed Description
The utility model is described in further detail below with reference to the accompanying drawings:
as shown in figure 1, the sleeve type desulfurization slurry flash evaporation heat-extraction system comprises a sleeve type tower body 1.
The tower body 1 is a cylinder, the tower body 1 is internally provided with an inner cylinder and an outer cylinder which are coaxial, the inner cylinder is a slurry cylinder, the outer cylinder is a cooling water cylinder, the bottoms of the inner cylinder and the outer cylinder are arranged at intervals, the tops of the inner cylinder and the outer cylinder are communicated, and the diameter of the outer cylinder is twice that of the inner cylinder.
The inner cylinder is provided with a desulfurization slurry inlet pipe 4 and a cold slurry outlet pipe, and the desulfurization slurry inlet pipe 4 is positioned above the cold slurry outlet pipe.
Desulfurization slurry feed liquor pipe 4 level sets up, and its length direction equipartition has a plurality of first exports on desulfurization slurry feed liquor pipe 4, and first export sets up towards 1 bottom of tower body, and every first export all is connected with a first nozzle 5.
A demister 2 is arranged in the inner cylinder, and the demister 2 is positioned above the desulfurization slurry liquid inlet pipe 4.
The outer cylinder is provided with a vacuum-pumping pipeline, a cooling water inlet pipe 7 and a cooling water outlet pipe, and the cooling water inlet pipe 7 is positioned above the cooling water outlet pipe.
A vacuum pump 8 is arranged in the vacuumizing pipeline, the vacuum pump 8 is used for vacuumizing the tower body 1, the front end of the vacuumizing pipeline is communicated with the inside of the outer barrel, and a water-stop sheet 11 is arranged in front of and above the front end of the vacuumizing pipeline.
The cooling water inlet pipe 7 level sets up, and it has a plurality of second exports to follow its length direction equipartition on the cooling water inlet pipe 7, and the second export sets up towards 1 bottom of tower body, and every second export all is connected with a second nozzle 10.
The urceolus has a plurality of cooling water inlet pipes 7 along the circumference equipartition, and in this embodiment, cooling water inlet pipe 7 quantity is four, can improve heat exchange efficiency, fully retrieves flash steam waste heat.
The desulfurization slurry liquid inlet pipe 4 and the cooling water inlet pipe 7 are respectively connected with a slurry pump 6 and a cooling water inlet pump 3; the cold slurry outlet pipe and the cooling water outlet pipe are respectively connected with a cold slurry pump 12 and a cooling water outlet pump 9.
The working process of the sleeve type desulfurization slurry flash evaporation heat-extraction system comprises the following steps:
the vacuum pump 8 extracts the interior of the tower body 1 to be in a negative pressure environment, the desulfurization slurry liquid inlet pipe 4 is pressurized by the slurry pump 6, the desulfurization slurry liquid inlet pipe 4 injects desulfurization slurry from the desulfurization tower into the inner cylinder, the desulfurization slurry liquid inlet pipe is sprayed and crushed into small liquid drops through the first nozzle 5, the desulfurization slurry liquid drops are subjected to flash evaporation, and water vapor flash evaporated from the inner cylinder enters the outer cylinder from the top of the tower body 1 after being demisted by the demister 2; the cooled cold slurry is collected in the inner cylinder, flows out of the cold slurry outlet pipe, is pressurized by the cold slurry pump 12, and then returns to the desulfurization tower.
After the cooling water inlet pipe 7 is boosted by the cooling water inlet pump 3, the cooling water is injected into the outer cylinder from the cooling water inlet pipe 7, the cooling water is sprayed and crushed into small liquid drops through the second nozzle 10, the water vapor flashed out is cooled and condensed, and is gathered at the lower part of the outer cylinder after being mixed with the small liquid drops, and the condensed liquid drops are discharged out of the tower body 1 from the cooling water outlet pipe and are returned after being boosted by the cooling water outlet pump 9.
Finally, it should be noted that: although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art 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 (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123000186.5U CN216653426U (en) | 2021-11-30 | 2021-11-30 | Sleeve type desulfurization slurry flash evaporation heat extraction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123000186.5U CN216653426U (en) | 2021-11-30 | 2021-11-30 | Sleeve type desulfurization slurry flash evaporation heat extraction system |
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| CN216653426U true CN216653426U (en) | 2022-06-03 |
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| CN202123000186.5U Active CN216653426U (en) | 2021-11-30 | 2021-11-30 | Sleeve type desulfurization slurry flash evaporation heat extraction system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114028831A (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 | Sleeve type desulfurization slurry flash evaporation heat extraction system and working method thereof |
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2021
- 2021-11-30 CN CN202123000186.5U patent/CN216653426U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114028831A (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 | Sleeve type desulfurization slurry flash evaporation heat extraction system and working method thereof |
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