CN210934112U

CN210934112U - Carbon dioxide trapping device

Info

Publication number: CN210934112U
Application number: CN201921727556.5U
Authority: CN
Inventors: 龚晓锐; 刘玉光; 张寒格
Original assignee: Xinjiang Ganquanbao Enterprise Service Co ltd
Current assignee: Xinjiang Ganquanbao Enterprise Service Co ltd
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2020-07-07
Anticipated expiration: 2029-10-15

Abstract

The utility model relates to a technical field is collected to carbon dioxide, and a carbon dioxide entrapment device is disclosed, comprising a base plate, the top fixed mounting of bottom plate has cyclone, the right side fixed mounting that the top of bottom plate is located cyclone has the gas separator, the fixed intercommunication in top of gas separator has first connecting pipe, the other end of first connecting pipe and cyclone's the fixed intercommunication of right flank, the right side fixed mounting that the top of bottom plate is located gas separator has first support, the top fixed mounting of first support has the decarbonization draught fan. This carbon dioxide entrapment device makes moisture and some other granule impurity in carrying out industrial waste gas get rid of through cyclone and the cooperation of gas-oil separator, and then prevents that the later stage from plugging up other device pipelines, makes the absorption liquid can carry out recycle and then make the carbon dioxide in the absorption liquid can all be collected through the cooperation of second circulating pump and absorption liquid collecting vessel.

Description

Carbon dioxide trapping device

Technical Field

The utility model relates to a technical field is collected to the carbon dioxide, specifically is a carbon dioxide entrapment device.

Background

Carbon dioxide, a carbon oxide of chemical formula CO2, formula weight 44.0095, is a colorless, tasteless, colorless, odorless (smells no smell) and slightly sour gas at normal temperature and pressure, is also a common greenhouse gas, is one of components of air, has a melting point of-78.5 ℃, a boiling point of-56.6 ℃, a density higher than that of air, is soluble in water, is chemically inert, has high thermal stability (only 1.8% decomposition at 2000 ℃), cannot burn and usually does not support combustion, belongs to an acidic oxide, has the general property of an acidic oxide, and is an acid anhydride of carbonic acid due to the fact that carbon dioxide reacts with water to form carbonic acid.

The method is carried out by adopting an adsorption film of carbon dioxide which is generally adopted at present when the carbon dioxide in the air is collected, but a large amount of polluted gas exists in the air and is sucked at the same time, so that the carbon dioxide is not pure enough when the carbon dioxide is collected, the quantity collected by the method is small, the method cannot be applied to industrial production, and the method also comprises equipment for collecting the carbon dioxide in industrial waste gas, and some substances in the using process of the equipment cannot be recycled, so that the resource is wasted.

SUMMERY OF THE UTILITY MODEL

To prior art not enough, the utility model provides a carbon dioxide entrapment device possesses the volume of entrapment and is big, and the entrapment purity is high, and the material recycles, advantage has solved the problem of mentioning in the above background art.

The utility model provides a following technical scheme: the utility model provides a carbon dioxide entrapment device, includes the bottom plate, the top fixed mounting of bottom plate has cyclone, the top of bottom plate is located cyclone's right side fixed mounting has the flue gas separator, the fixed intercommunication in top of flue gas separator has first communicating pipe, the other end of first communicating pipe and cyclone's the fixed intercommunication of right flank, the top of bottom plate is located flue gas separator's right side fixed mounting has first support, the top fixed mounting of first support has the decarbonization draught fan, the fixed intercommunication of input end of decarbonization draught fan has second communicating pipe, the other end of second communicating pipe and flue gas separator's the fixed intercommunication of right flank, the right side fixed mounting that the top of bottom plate is located first support has the second support, the top fixed mounting of second support has the absorption tower, the fixed intercommunication in top of absorption tower has the purification gas head, the fixed intercommunication of output of decarbonization draught fan has the third communicating pipe, the other end of third communicating pipe and the fixed intercommunication in left side of absorption tower, the fixed intercommunication in bottom of absorption tower has first liquid pipe, the top of bottom plate is located the right side fixed mounting of second support and has first circulating pump, the input of first circulating pump and the other end of first liquid pipe are fixed to be communicated, the top of bottom plate is located the right side fixed mounting of first circulating pump and has the regenerator column, the output of first circulating pump and the left side fixed communication of regenerator column, the top fixed mounting of regenerator column has the second circulating pump, the fixed intercommunication of input of second circulating pump has the second liquid pipe, the other end of second liquid pipe and the right side fixed communication of regenerator column, the right side fixed communication of regenerator column has the outlet duct, the top fixed mounting of bottom plate has the buffering liquid pipe, the other end of outlet duct and the fixed intercommunication in side of buffer gas pitcher, the right side fixed mounting that the top of bottom plate is located buffer gas pitcher has the cooling dehumidifier, the right side fixed mounting that the top of bottom plate is located the cooling dehumidifier has a compressor arrangement, the right side fixed mounting that the top of bottom plate is located compressor arrangement has the purifying column, the right side fixed mounting that the top of bottom plate is located the purifying column has the drying tower, the right side fixed mounting that the top of bottom plate is located the drying tower has the purification liquefying plant.

Preferably, the left side of regeneration tower fixed mounting has the absorption liquid collecting vessel, the output of second circulating pump and the fixed intercommunication in top of absorption liquid collecting vessel, the fixed intercommunication in left side of absorption liquid collecting vessel has the third liquid pipe, the other end of third liquid pipe extends to the inside of absorption tower and fixed intercommunication has the shower nozzle, the inside of absorption tower is located the below of shower nozzle and has fixedly placed the filler.

Preferably, the buffer gas tank, the cooling dehumidifier, the compressor device, the purification tower, the drying tower and the purification and liquefaction device are sequentially communicated through a communicating pipe.

Preferably, a molecular sieve plate is fixedly arranged in the drying tower.

Preferably, a liquid carbon dioxide discharge pipe is fixedly communicated with the right side surface of the purification and liquefaction device, and a low-temperature storage tank is fixedly communicated with the other end of the liquid carbon dioxide discharge pipe.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this carbon dioxide entrapment device makes moisture and some other granule impurity in carrying out industrial waste gas get rid of through cyclone and the cooperation of gas-oil separator, and then prevents that the later stage from plugging up other device pipelines, makes the absorption liquid can carry out recycle and then make the carbon dioxide in the absorption liquid can all be collected through the cooperation of second circulating pump and absorption liquid collecting vessel.

2. This carbon dioxide entrapment device makes carbon dioxide gas absorb the moisture of inside after buffering through the cooperation of buffering gas pitcher and cooling dehumidifier, and then makes carbon dioxide purer, can compress carbon dioxide and can get rid of the trace gas impurity in the carbon dioxide through the cooperation of compressor arrangement and purifying column.

Drawings

FIG. 1 is a schematic view of the structure of the trapping device of the present invention;

fig. 2 is a schematic view of the structure reprocessing device of the present invention.

In the figure: 1. a base plate; 2. a cyclone separator; 3. a first communication pipe; 4. a flue gas separator; 5. a liquid carbon dioxide discharge pipe; 6. a second communicating pipe; 7. a decarburization induced draft fan; 8. a purification and liquefaction device; 9. a third communicating pipe; 10. a spray head; 11. a filler; 12. an absorption tower; 13. purifying the gas outlet head; 14. a second circulation pump; 15. an absorption liquid collection barrel; 16. a third liquid pipe; 17. a second liquid pipe; 18. a regeneration tower; 19. an air outlet pipe; 20. a first circulation pump; 21. a first liquid pipe; 22. a second bracket; 23. a first bracket; 24. a buffer gas tank; 25. cooling the dehumidifier; 26. a compressor device; 27. a purification tower; 28. a drying tower; 29. molecular sieve plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a carbon dioxide capturing device comprises a bottom plate 1, a cyclone separator 2 is fixedly installed on the top of the bottom plate 1, a smoke-gas separator 4 is fixedly installed on the right side of the cyclone separator 2 on the top of the bottom plate 1, moisture and other particle impurities in industrial waste gas are removed through the cooperation of the cyclone separator 2 and the smoke-gas separator 4, further, other device pipelines are prevented from being blocked in the later period, a first communicating pipe 3 is fixedly communicated with the top of the smoke-gas separator 4, the other end of the first communicating pipe 3 is fixedly communicated with the right side face of the cyclone separator 2, a first support 23 is fixedly installed on the right side of the smoke-gas separator 4 on the top of the bottom plate 1, a decarburization induced draft fan 7 is fixedly installed on the top of the first support 23, a second communicating pipe 6 is fixedly communicated with the input end of the decarburization induced draft fan 7, the other end of the second communicating pipe 6 is, a second bracket 22 is fixedly arranged at the top of the bottom plate 1 on the right side of the first bracket 23, an absorption tower 12 is fixedly arranged at the top of the second bracket 22, a purified gas outlet head 13 is fixedly communicated with the top of the absorption tower 12, a third communicating pipe 9 is fixedly communicated with the output end of the decarburization induced draft fan 7, the other end of the third communicating pipe 9 is fixedly communicated with the left side of the absorption tower 12, a first liquid pipe 21 is fixedly communicated with the bottom of the absorption tower 12, a first circulating pump 20 is fixedly arranged at the top of the bottom plate 1 on the right side of the second bracket 22, the input end of the first circulating pump 20 is fixedly communicated with the other end of the first liquid pipe 21, a regeneration tower 18 is fixedly arranged at the top of the bottom plate 1 on the right side of the first circulating pump 20, the output end of the first circulating pump 20 is fixedly communicated with the left side surface of the regeneration tower 18, a second circulating pump 14 is fixedly arranged at the top of the regeneration tower 18, the other end of the second liquid pipe 17 is fixedly communicated with the right side face of the regeneration tower 18, the right side face of the regeneration tower 18 is fixedly communicated with an air outlet pipe 19, the left side face of the regeneration tower 18 is fixedly provided with an absorption liquid collecting barrel 15, the absorption liquid collecting barrel 15 enables the amount of absorption liquid to be larger than the amount used in the regeneration tower 18, the absorption liquid can be recycled through the matching of the second circulating pump 14 and the absorption liquid collecting barrel 15, so that carbon dioxide in the absorption liquid can be completely collected, the output end of the second circulating pump 14 is fixedly communicated with the top of the absorption liquid collecting barrel 15, the left side face of the absorption liquid collecting barrel 15 is fixedly communicated with a third liquid pipe 16, the other end of the third liquid pipe 16 extends to the inside of the absorption tower 12 and is fixedly communicated with a spray head 10, a filler 11 is fixedly placed below the spray head 10 in the inside of the absorption tower 12, the filler 11 increases the reaction time between the carbon dioxide and, the top of the bottom plate 1 is fixedly provided with a buffer gas tank 24, the other end of the gas outlet pipe 19 is fixedly communicated with the side surface of the buffer gas tank 24, the top of the bottom plate 1 is fixedly provided with a cooling dehumidifier 25 on the right side of the buffer gas tank 24, the carbon dioxide gas is buffered by matching the buffer gas tank 24 and the cooling dehumidifier 25 and then absorbs the internal moisture, so that the carbon dioxide is purer, the top of the bottom plate 1 is fixedly provided with a compressor device 26 on the right side of the cooling dehumidifier 25, the top of the bottom plate 1 is fixedly provided with a purification tower 27 on the right side of the compressor device 26, the carbon dioxide can be compressed by matching the compressor device 26 and the purification tower 27 and trace gas impurities in the carbon dioxide can be removed, the top of the bottom plate 1 is fixedly provided with a drying tower 28 on the right side of the purification tower 27, and, the molecular sieve plate 29 can guarantee the reliability of drying, the right side fixed mounting that the top of bottom plate 1 is located drying tower 28 has purification liquefying plant 8, and buffer tank 24, cooling dehumidifier 25, compressor unit 26, purifying tower 27, drying tower 28, purification liquefying plant communicate through communicating pipe in proper order between 8, and the right flank fixed intercommunication of purification liquefying plant 8 has liquid carbon dioxide discharging pipe 5, and the other end fixed intercommunication of liquid carbon dioxide discharging pipe 5 has the low temperature holding vessel.

The working principle is that carbon dioxide firstly passes through the cyclone separator 2 and the smoke separator 4 to remove particle impurities in smoke, then the treated gas enters the absorption tower 12 after entering the decarburization induced draft fan 7 through the second communicating pipe 6 for pressurization, at the moment, the second circulating pump 14 circulates absorption liquid in the regeneration tower 18 to the absorption liquid collecting barrel 15 and then flows into the nozzle 10 through the third liquid pipe 16, the decarburization induced draft fan 7 introduces carbon dioxide into the absorption tower 12 through the third communicating pipe 9 to react with the absorption liquid so as to circulate the absorption liquid absorbing carbon dioxide to the regeneration tower 18 through the first circulating pump 20 to decompose the carbon dioxide and then enter the buffer gas tank 24 to enter the cooling dehumidifier 25 to remove water in the carbon dioxide, and then enters the compressor device 26 to compress the carbon dioxide, the liquid carbon dioxide enters a purification tower 27 to remove some impurity gases, then enters a drying tower 28 to be dried, and then enters a purification and liquefaction device 8 to be purified and then stored.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A carbon dioxide capturing device comprising a base plate (1), characterized in that: the top fixed mounting of bottom plate (1) has cyclone (2), the right side fixed mounting that the top of bottom plate (1) is located cyclone (2) has gas-liquid separator (4), the top fixed intercommunication of gas-liquid separator (4) has first connecting pipe (3), the other end of first connecting pipe (3) and the fixed intercommunication of the right flank of cyclone (2), the top of bottom plate (1) is located the right side fixed mounting of gas-liquid separator (4) has first support (23), the top fixed mounting of first support (23) has decarbonization draught fan (7), the fixed intercommunication of the input of decarbonization draught fan (7) has second connecting pipe (6), the other end of second connecting pipe (6) and the fixed intercommunication of the right flank of gas-liquid separator (4), the top of bottom plate (1) is located the right side fixed mounting of first support (23) and has second support (22), the top fixed mounting of second support (22) has absorption tower (12), the fixed intercommunication in top of absorption tower (12) has and purifies out gas head (13), the fixed intercommunication in output of decarbonization draught fan (7) has third communicating pipe (9), the other end of third communicating pipe (9) and the fixed intercommunication in left side of absorption tower (12), the fixed intercommunication in bottom of absorption tower (12) has first liquid pipe (21), the top of bottom plate (1) is located the right side fixed mounting of second support (22) has first circulating pump (20), the input of first circulating pump (20) and the fixed intercommunication in other end of first liquid pipe (21), the right side fixed mounting that the top of bottom plate (1) is located first circulating pump (20) has regenerator column (18), the output of first circulating pump (20) and the left surface fixed intercommunication of regenerator column (18), the top fixed mounting of regenerator column (18) has second circulating pump (14), the fixed intercommunication of the input of second circulating pump (14) has second liquid pipe (17), the other end of second liquid pipe (17) and the fixed intercommunication of the right flank of regenerator column (18), the fixed intercommunication of the right flank of regenerator column (18) has outlet duct (19), the top fixed mounting of bottom plate (1) has buffer gas jar (24), the other end of outlet duct (19) and the fixed intercommunication of the side of buffer gas jar (24), the top of bottom plate (1) is located the right side fixed mounting of buffer gas jar (24) and is had cooling dehumidifier (25), the top of bottom plate (1) is located the right side fixed mounting of cooling dehumidifier (25) and is had compressor arrangement (26), the top of bottom plate (1) is located the right side fixed mounting of compressor arrangement (26) and is had purification tower (27), the top of bottom plate (1) is located the right side fixed mounting of purifying column (27) and has drying tower (28), the top of bottom plate (1) is located the right side fixed mounting of drying tower (28) and has purification liquefaction device (8).

2. A carbon dioxide capture device according to claim 1, wherein: the utility model discloses a regeneration tower, including regeneration tower (18), the left surface fixed mounting of regeneration tower (18) has absorption liquid collecting vessel (15), the output of second circulating pump (14) and the fixed intercommunication in top of absorption liquid collecting vessel (15), the left surface fixed intercommunication of absorption liquid collecting vessel (15) has third liquid pipe (16), the other end of third liquid pipe (16) extends to the inside of absorption tower (12) and fixed intercommunication has shower nozzle (10), the below that the inside of absorption tower (12) is located shower nozzle (10) has fixedly placed filler (11).

3. A carbon dioxide capture device according to claim 1, wherein: the buffer gas tank (24), the cooling dehumidifier (25), the compressor device (26), the purification tower (27), the drying tower (28) and the purification and liquefaction device (8) are sequentially communicated through communicating pipes.

4. A carbon dioxide capture device according to claim 1, wherein: and a molecular sieve plate (29) is fixedly arranged in the drying tower (28).

5. A carbon dioxide capture device according to claim 1, wherein: the right side surface of the purification liquefying device (8) is fixedly communicated with a liquid carbon dioxide discharging pipe (5), and the other end of the liquid carbon dioxide discharging pipe (5) is fixedly communicated with a low-temperature storage tank.