CN207501325U - Carbon dioxide recovery refrigerated air-conditioning system in closed working space - Google Patents
Carbon dioxide recovery refrigerated air-conditioning system in closed working space Download PDFInfo
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- CN207501325U CN207501325U CN201721406836.7U CN201721406836U CN207501325U CN 207501325 U CN207501325 U CN 207501325U CN 201721406836 U CN201721406836 U CN 201721406836U CN 207501325 U CN207501325 U CN 207501325U
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- carbon dioxide
- air
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- tank
- room
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Abstract
The utility model discloses carbon dioxide recovery refrigerated air-conditioning system in closed working space, including carbon dioxide adsorption room, receives the exhaust adsorption carbon dioxide therein in seal operation space；Carbon dioxide regeneration room makes the carbon dioxide of absorption regenerate to form atmospheric carbon dioxide；First compressor sucks regenerated atmospheric carbon dioxide compression and is discharged into the storage of atmospheric carbon dioxide tank；The atmospheric carbon dioxide compression of storage is sent into heat exchange in heat exchanger and is stored into cryogenic liquid carbon dioxide by the second compressor；The liquid CO 2 of formation is formed dry ice particles and is sent into dry ice room by throttle valve；The dry ice room in air chamber is placed in, using dry ice and air heat exchange, cold air is sent into seal operation space by air chamber.The utility model adsorbs space carbon dioxide in time, using carbon dioxide refrigeration is recycled, then can ensure the environment in working space, and can save the negative consequences such as the supplement working medium that special refrigeration system equipment investment, operating cost and refrigeration working medium leakage are brought.
Description
Technical field
The utility model is related to refrigeration and air-conditioning technical fields, and in particular to carbon dioxide recovery is freezed in closed working space
Air-conditioning system.
Background technology
In many specific workplaces, such as undersea detection, diving experiment and downhole rescuing, work are in closed sky
Between carry out, increase over time, the carbon dioxide content in space gradually increases, and influences normally to work.
Utility model content
The purpose of this utility model is to be directed to technological deficiency in the prior art, and is provided two in closed working space
Carbonoxide recycles refrigerated air-conditioning system.
Technical solution is used by realize the purpose of this utility model：
Carbon dioxide recovery refrigerated air-conditioning system in closed working space, including：
For receiving the exhaust in seal operation space, carbon dioxide is adsorbed by adsorbent for carbon dioxide adsorption room；
Carbon dioxide regeneration room is connect with carbon dioxide adsorption room, and the carbon dioxide for being adsorbed adsorbent regenerates,
Form atmospheric carbon dioxide；
First compressor is connect respectively with carbon dioxide regeneration room and atmospheric carbon dioxide tank, for sucking regenerated gas
Body carbon dioxide compression is discharged into the storage of atmospheric carbon dioxide tank；
Second compressor is connect respectively with the atmospheric carbon dioxide tank and liquid CO 2 tank, by the gas
The atmospheric carbon dioxide compression of carbon dioxide tank memory storage is sent into heat exchanger after heat exchange, is formed cryogenic liquid carbon dioxide, is deposited
It is stored in liquid CO 2 tank；
Throttle valve is sent into dry ice room, shape for the liquid CO 2 in liquid CO 2 tank to be formed dry ice particles
Into gas be sent into the first compressor entrance；
Dry ice room, is placed in air chamber, for receiving air heat exchange in the dry ice and air chamber that throttle valve sends, by even
The cold air formed after heat exchange is sent into seal operation space by the air chamber for connecing seal operation space；The dry ice room heat exchange institute shape
Into carbon dioxide gas send to the entrance of the first compressor.
Wherein, the seal operation aperture vents import of the carbon dioxide adsorption room is empty through third shut-off valve and seal operation
Between vent connection connection, have the in the connecting pipeline between the outlet of the entrance and atmospheric carbon dioxide tank of second compressor
Four shut-off valves；In the connecting pipeline of the entrance of the first compressor with there are the first shut-off valve, the dry ice in the outlet of the throttle valve
In the connecting pipeline of the entrance of the first compressor with there is the second shut-off valve in the outlet of room；The outlet of first shut-off valve, second
The outlet of shut-off valve is in parallel with the gas vent of carbon dioxide regeneration room.
Further, the air outlet slit of the carbon dioxide adsorption room and the air intlet of air chamber take over connection.To incite somebody to action
Unadsorbed air is sent into air chamber the air for supplementing air chamber.
Wherein, the outside air of the air chamber make up line on have outside air replenishment valve.It is mended by the outside air
Valve is filled, air can be supplemented into the air chamber.
Wherein, the low-temp low-pressure media outlet of the low-temp low-pressure medium entrance of the heat exchanger and expanding machine connects, described
The heat transferring medium import of expanding machine is connect with the gas vent of high pressure natural gas tank, the high-temperature low-pressure medium entrance of the heat exchanger
Import with low pressure natural gas tank is connect.Heat exchange is carried out by combustion gas and carbon dioxide and realizes heat exchange, by atmospheric carbon dioxide
It deforms liquid CO 2 and is sent into throttle valve formation dry ice.
Wherein, the high pressure natural gas tank is described by there is the air supply pipe of high pressure natural gas replenishment valve and supply station to connect
Low pressure natural gas tank is connect by low pressure natural gas with air valve with combustion gas using equipment.
The main shaft of the expanding machine and the input axis connection of generator.Electrical power generators are made by expanding machine work.
Carbon dioxide recovery refrigerated air-conditioning system in the closed working space of the utility model, by by closed working space
The timely adsorption recovery of interior carbon dioxide using pressure energy of natural gas carbon dioxide condensation gas, is produced dry ice, is made using dry ice
It is that cool air is provided in closed working space for low-temperature receiver, initial cost is few, operating cost is low, energy conservation and environmental protection.
Description of the drawings
Fig. 1 is the schematic diagram of carbon dioxide recovery refrigerated air-conditioning system in closed working space.
Specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.It should be appreciated that this place
The specific embodiment of description is only used to explain the utility model, is not used to limit the utility model.
It is shown in Figure 1, carbon dioxide recovery refrigerated air-conditioning system in a kind of closed working space, including：
Seal operation space 2 with door 1, the dry ice room 3 in air chamber 4, outside air replenishment valve 5, throttle valve
6th, liquid CO 2 tank 7, low pressure natural gas tank 8, low pressure natural gas air valve 9, heat exchanger 10, expanding machine 11, second compress
Machine 12, high-pressure natural gas replenishment valve 13, high-pressure natural gas tank 14, atmospheric carbon dioxide tank 15, the cut-off of the first compressor 16, first
Valve 17, carbon dioxide regeneration room 18, carbon dioxide adsorption room 19, third shut-off valve 20, the second shut-off valve 21, the 4th shut-off valve
22；
Exhaust of the exhaust gas intake port through third shut-off valve 20 Yu seal operation space 2 in the cabin of the carbon dioxide adsorption room 19
Connection is taken over, the air outlet slit of carbon dioxide adsorption room 19 is connect with the entrance sleeve of air chamber 4, carbon dioxide adsorption room 19
Outlet is connect with the entrance sleeve of carbon dioxide regeneration room 18, the outlet of carbon dioxide regeneration room 18, the first shut-off valve 17 export,
It is connect after the outlet parallel connection of second shut-off valve 21 with the entrance of the first compressor 16, outlet and the gas dioxy of the first compressor 16
Change the import connection of canister 15, the 4th shut-off valve 22 of outlet of atmospheric carbon dioxide tank 15 and the entrance of the second compressor 12 connect
It connects, the outlet of the second compressor 12 is connect with the carbon dioxide gas entrance of heat exchanger 10, the carbon dioxide liquid of heat exchanger 10
Outlet is connect with the import of liquid CO 2 tank 7, and the outlet of liquid CO 2 tank 7 is connect with the import of throttle valve 6, throttling
Entrance of the outlet of valve 6 respectively with the entrance of the first shut-off valve 17 and dry ice room 3 is connect, the outlet of dry ice room 3 and the second cut-off
The entrance connection of valve 21, the cold-air vent of air chamber 4 are connect with the air inlet in seal operation space 2.
The outside air replenishment valve 5 is connect with surrounding air, and low pressure natural gas air valve 9 uses the combustion of equipment with combustion gas
Gas entrance connects, if the fuel gas inlet of kitchen range or gas heater connects, high-pressure natural gas replenishment valve 13 and the gas supply of supply station
Pipe connects.
4 the dry ice room 3, air chamber parting seals, outermost layer packet insulating layer ensure to exchange with extraneous empty calory.
The third shut-off valve 20, the first compressor 16 can be detected by the carbon dioxide content in seal operation space 2
Device control opens and closes.
4th shut-off valve 22, the second compressor 12, expanding machine 11 can be by the temperature sensing in seal operation space 2
Device control opens and closes.
The main shaft of the expanding machine 11 and the input axis connection of generator, the electricity that the expanding machine 11 is sent out can be directly for close
Seal the electricity consumption of electrical equipment in working space 2.
The carbon dioxide in seal operation space 2 is detected when the carbon dioxide content detector in seal operation space 2
Content is more than setting value, sends out signal, and third shut-off valve 20 is opened, and starts the first compressor 16, the first 17, second sections of shut-off valve
Only 21 and the 4th shut-off valve 22 of valve is closed, and the air in seal operation space 2 enters carbon dioxide adsorption through third shut-off valve 20
Carbon dioxide regeneration room 18 after carbon dioxide is adsorbed by adsorbent, is sent into, through the regenerated carbon dioxide gas of actified solution in room 19
It is discharged into atmospheric carbon dioxide tank 15 after sucking compression by the first compressor 16 and stores.
When the temperature sensor test in seal operation space 2 is higher than setting value to the temperature in seal operation space 2,
Signal is sent out, the second compressor 12, the first compressor 16 and expanding machine 11 start, the first shut-off valve 17,21 and of the second shut-off valve
4th shut-off valve 22 is opened, and the high-pressure natural gas in high-pressure natural gas tank 14 passes through expanding machine 11, the low-temp low-pressure day after decompression
Right gas, with carbon dioxide gas heat exchange, enters low pressure natural gas tank 8, atmospheric carbon dioxide tank 15 in heat exchanger 10 after heat absorption
In gas sucked by the second compressor 12, being condensed into liquid by heat exchanger 10 after compression enters liquid CO 2 tank 7, liquid
Body carbon dioxide enters dry ice room 3 through 6 reducing pressure by regulating flow of throttle valve, the dry ice particles of generation, and the gas of generation is through the first shut-off valve
17 enter the first compressors 16, and the air heat exchange of the dry ice in dry ice room 3 and air chamber 4, the gas for generation of absorbing heat is through second
Shut-off valve 21 also enters the first compressor 16, and cold air enters seal operation space 2.
The utility model adsorbs the carbon dioxide in space in time, using the carbon dioxide refrigeration of recycling, then can protect
The environment in working space is demonstrate,proved, and equipment investment, operating cost and the refrigeration working medium leakage of special refrigeration system can be saved
The negative consequences such as the supplement working medium brought.And the carbon dioxide in recovery operation space, it is cost-effective without additional working medium,
Even if on environment without influence, energy conservation and environmental protection has great importance for leakage.
The above is only the preferred embodiment of the utility model, it is noted that for the general of the art
For logical technical staff, under the premise of the utility model principle is not departed from, several improvements and modifications can also be made, these change
The scope of protection of the utility model is also should be regarded as into retouching.
Claims (7)
1. carbon dioxide recovery refrigerated air-conditioning system in closed working space, which is characterized in that including：
For receiving the exhaust in seal operation space, carbon dioxide is adsorbed by adsorbent for carbon dioxide adsorption room；
Carbon dioxide regeneration room is connect with carbon dioxide adsorption room, for the carbon dioxide regeneration for being adsorbed adsorbent, is formed
Atmospheric carbon dioxide；
First compressor is connect respectively with carbon dioxide regeneration room and atmospheric carbon dioxide tank, for sucking regenerated gas two
Carbonoxide compression is discharged into the storage of atmospheric carbon dioxide tank；
Second compressor is connect respectively with the atmospheric carbon dioxide tank and liquid CO 2 tank, by the gas dioxy
The atmospheric carbon dioxide compression for changing canister memory storage is sent into heat exchanger after heat exchange, is formed cryogenic liquid carbon dioxide, is stored in
In liquid CO 2 tank；
Throttle valve is sent into dry ice room for the liquid CO 2 in liquid CO 2 tank to be formed dry ice particles, formation
Gas is sent into the entrance of the first compressor；
Dry ice room, is placed in air chamber, close by connecting for receiving air heat exchange in the dry ice and air chamber that throttle valve sends
The cold air formed after heat exchange is sent into seal operation space by the air chamber for sealing working space；What the dry ice room heat exchange was formed
Carbon dioxide gas is sent to the entrance of the first compressor.
2. carbon dioxide recovery refrigerated air-conditioning system in closed working space as described in claim 1, which is characterized in that described two
The seal operation aperture vents import of carbonoxide adsorption chamber is connect through third shut-off valve with the vent connection in seal operation space, institute
Stating in the connecting pipeline between the outlet of the entrance and atmospheric carbon dioxide tank of the second compressor has the 4th shut-off valve；The throttle valve
Outlet with having the first shut-off valve, outlet and the first compressor of the dry ice room in the connecting pipeline of the entrance of the first compressor
Entrance connecting pipeline on have the second shut-off valve；The outlet of first shut-off valve, the outlet of the second shut-off valve and titanium dioxide
The gas vent of carbon regeneration room is in parallel.
3. carbon dioxide recovery refrigerated air-conditioning system in closed working space as described in claim 1, which is characterized in that described two
The air outlet slit of carbonoxide adsorption chamber and the air intlet of air chamber take over connection.
4. carbon dioxide recovery refrigerated air-conditioning system in closed working space as described in claim 1, which is characterized in that the sky
The outside air of gas chamber has outside air replenishment valve on making up line.
5. carbon dioxide recovery refrigerated air-conditioning system in closed working space as described in claim 1, which is characterized in that described to change
The low-temp low-pressure medium entrance of hot device and the low-temp low-pressure media outlet of expanding machine connect, the heat transferring medium import of the expanding machine
It is connect with the gas vent of high pressure natural gas tank, the high-temperature low-pressure medium entrance of the heat exchanger and the import of low pressure natural gas tank
Connection.
6. carbon dioxide recovery refrigerated air-conditioning system in closed working space as claimed in claim 5, which is characterized in that the height
For pressure natural gas tank by there is the air supply pipe of high pressure natural gas replenishment valve and supply station to connect, the low pressure natural gas tank passes through low pressure
Natural gas is connect with air valve with combustion gas using equipment.
7. carbon dioxide recovery refrigerated air-conditioning system in closed working space as claimed in claim 5, which is characterized in that described swollen
The main shaft of swollen machine and the input axis connection of generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721406836.7U CN207501325U (en) | 2017-10-27 | 2017-10-27 | Carbon dioxide recovery refrigerated air-conditioning system in closed working space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721406836.7U CN207501325U (en) | 2017-10-27 | 2017-10-27 | Carbon dioxide recovery refrigerated air-conditioning system in closed working space |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207501325U true CN207501325U (en) | 2018-06-15 |
Family
ID=62502394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721406836.7U Expired - Fee Related CN207501325U (en) | 2017-10-27 | 2017-10-27 | Carbon dioxide recovery refrigerated air-conditioning system in closed working space |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207501325U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107631392A (en) * | 2017-10-27 | 2018-01-26 | 天津商业大学 | Carbon dioxide recovery refrigerated air-conditioning system in closed working space |
| CN112793391A (en) * | 2021-01-27 | 2021-05-14 | 湖南汽车工程职业学院 | Intelligent heat dissipation system applied to computer and having self-adaption function |
-
2017
- 2017-10-27 CN CN201721406836.7U patent/CN207501325U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107631392A (en) * | 2017-10-27 | 2018-01-26 | 天津商业大学 | Carbon dioxide recovery refrigerated air-conditioning system in closed working space |
| CN107631392B (en) * | 2017-10-27 | 2022-11-08 | 天津商业大学 | Carbon dioxide recovery refrigeration air-conditioning system in closed working space |
| CN112793391A (en) * | 2021-01-27 | 2021-05-14 | 湖南汽车工程职业学院 | Intelligent heat dissipation system applied to computer and having self-adaption function |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180615 Termination date: 20181027 |
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| CF01 | Termination of patent right due to non-payment of annual fee |