CN218915573U - Residual cold recovery device of carbon dioxide liquefied spherical tank emptying system - Google Patents
Residual cold recovery device of carbon dioxide liquefied spherical tank emptying system Download PDFInfo
- Publication number
- CN218915573U CN218915573U CN202222130182.7U CN202222130182U CN218915573U CN 218915573 U CN218915573 U CN 218915573U CN 202222130182 U CN202222130182 U CN 202222130182U CN 218915573 U CN218915573 U CN 218915573U
- Authority
- CN
- China
- Prior art keywords
- carbon dioxide
- residual cold
- unit
- spherical tank
- liquefied
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Separation By Low-Temperature Treatments (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The utility model relates to the field of carbon treatment, and discloses a residual cold recovery device of a carbon dioxide liquefaction spherical tank emptying system. The device comprises a liquefied spherical tank emptying system, a pressure-reducing device and a pressure-reducing device, wherein the liquefied spherical tank emptying system is used for emptying and decompressing to obtain residual cold air when the liquefied spherical tank storing liquid carbon dioxide exceeds rated pressure; a compression unit for compressing a gas stream of a carbon dioxide-containing feed gas; the residual cold recovery unit is used for introducing the air flow containing residual cold air and exchanging heat with the air flow containing carbon dioxide raw material gas passing through the compression unit; the residual cold recovery unit is provided with a residual cold air inlet and a residual cold air outlet; the residual cold air inlet is connected with the liquefied spherical tank emptying system; the residual cold air outlet is connected with the inlet side of the compression unit; and the liquefaction separation unit is used for liquefying and separating the gas flow of the carbon dioxide-containing raw gas passing through the residual cooling recovery unit to obtain liquid carbon dioxide. The device of the utility model not only can realize the cyclic utilization of carbon dioxide, but also can reduce the power consumption.
Description
Technical Field
The utility model relates to the technical field of carbon treatment, in particular to a residual cold recovery device of a carbon dioxide liquefaction spherical tank emptying system.
Background
Carbon dioxide is used as an oil displacement agent with excellent performance, can be used for enhancing oil and gas exploitation, and is one of important ways for large-scale utilization of carbon dioxide at present, so that the recovery of carbon dioxide is very necessary. Carbon dioxide capture is the first step in the CCUS technology and can be divided into low concentration carbon dioxide capture technology and high concentration carbon dioxide recovery technology. In view of the consideration of the trapping cost, the low-concentration carbon dioxide trapping process is complex, the cost is high, the economic feasibility is not realized, and the high-concentration carbon dioxide recovery is the key point of the current CCUS industrialization. At present, a low-temperature liquid storage tank is adopted for storing liquid carbon dioxide, and because the liquid carbon dioxide can absorb heat and gasify after long-term storage, the pressure in the storage tank is increased after gasification, and when the maximum working pressure of the storage tank is reached, the storage tank must be opened for emptying to release pressure, and the equipment can be damaged in an untimely manner after the release, and the carbon dioxide is emptied after the release, so that waste is caused. The cost of carbon dioxide capture determines the feasibility of a CCUS full process, and therefore it is important to reduce the cost of carbon dioxide capture.
CN216347343U discloses a carbon dioxide liquefying device for a carbon capturing system, which comprises a carbon dioxide drying purifying unit, a compressor, a mixer, a precooler, an expander and a gas-liquid separator which are sequentially connected, and further comprises a carbon dioxide reflux compressor, wherein the air inlet of the carbon dioxide reflux compressor is the air outlet of the gas-liquid separator, the outlet of the carbon dioxide reflux compressor is connected to the inlet of the mixer, and the carbon dioxide reflux compressor is connected with the expander through a coaxial connecting rod. The device passes through supercritical high-pressure CO 2 The throttling expansion is liquefied, and simultaneously the expansion work is recovered, so that the CO is reduced 2 The power consumption of the reflux compressor is reduced, the peripheral refrigerating unit is avoided, and the reflux compressor has the advantages of simple structure, low cost, energy conservation, high efficiency and the like.
CN212617609U discloses a liquefied recovery unit of liquefied carbon dioxide storage tank evaporation, and the purpose is to solve the problem that untimely emission pressure release caused equipment damage and resource blowdown pressure release caused extravagant when current liquefied carbon dioxide storage tank reached maximum operating pressure. The device comprises a liquefaction heat exchanger, a gas output pipeline, a carbon dioxide gas phase input pipeline, a low-temperature liquid input pipeline and a pressure transmitter, wherein the low-temperature liquid is utilized to gasify the process liquefied gas carbon dioxide, so that the waste of carbon dioxide emptying is reduced.
CN203927383U discloses a recovery unit of carbon dioxide liquid spherical tank vaporization exhaust gas, is equipped with tank top recoverer above the spherical tank, and tank top recoverer is including locating gaseous phase carbon dioxide entry and the ammonia export at tank top recoverer top, locates liquid phase carbon dioxide export and the liquid ammonia import of tank top recoverer bottom, and tank top recoverer inside is equipped with tube side and the shell side that can carry out heat exchange. The recovery device can recover the gas discharged by vaporization, and compared with the prior art, the part of the recovered gas can be reused, thereby reducing the production cost, and simultaneously, the device has the advantages of less investment, great benefit, simple process and the like.
However, the existing patent only adopts the mode of liquefying, recycling or directly returning to a raw material inlet for recycling aiming at the carbon dioxide loss of the spherical tank storage part in the carbon dioxide liquefying process, so that more public engineering consumption is brought to the liquefying process, and the waste is caused by the fact that the residual cold resources of the carbon dioxide are not utilized.
Disclosure of Invention
Therefore, the utility model develops the residual cold recovery device of the carbon dioxide liquefaction spherical tank emptying system aiming at the problem of resource waste caused by decompression of the spherical tank breather valve in the carbon dioxide liquefaction process, can obviously reduce the public engineering cost in the carbon dioxide liquefaction process, and has wide application prospect.
In order to achieve the above object, according to one aspect of the present utility model, there is provided a residual cold recovery device of a carbon dioxide liquefaction spherical tank emptying system, the device comprising:
the liquefied spherical tank emptying system is used for emptying and decompressing the liquefied spherical tank storing the liquid carbon dioxide to obtain residual cold air when the liquefied spherical tank exceeds the rated pressure;
a compression unit for compressing a gas stream of a carbon dioxide-containing feed gas;
the residual cold recovery unit is used for introducing the air flow containing residual cold air and exchanging heat with the air flow containing carbon dioxide raw material gas passing through the compression unit; the residual cold recovery unit is provided with a residual cold air inlet and a residual cold air outlet; the residual cold air inlet is connected with the liquefied spherical tank emptying system; the residual cold air outlet is connected with the inlet side of the compression unit;
and the liquefaction separation unit is used for liquefying and separating the gas flow of the carbon dioxide-containing raw gas passing through the residual cooling recovery unit to obtain liquid carbon dioxide.
The method can bring more public engineering consumption, and the device can avoid the more public engineering consumption brought by the liquefaction process of liquefaction recovery and reuse, effectively utilize the residual cold air resources, effectively avoid the problem of resource waste caused by decompression of the spherical tank breather valve in the carbon oxide liquefaction process, remarkably reduce the public engineering cost in the carbon dioxide liquefaction process, and has wide application prospect.
Drawings
Fig. 1 is a schematic diagram of a residual cold recovery device of a carbon dioxide liquefaction drum emptying system according to an embodiment of the present utility model.
Description of the reference numerals
1/2/3/4/5/6/7/8/9/10/11 pipeline
111. Liquefied spherical tank 112 emptying valve
113. Buffer tank 221 compressor
331. Residual cold recovery equipment 441 liquefier
442. Refrigerator 443 separator
551 carbon dioxide raw material gas supply unit 661 circulating water upper nozzle
662 circulating water return port
Detailed Description
A specific embodiment of the present utility model will be described in detail with reference to fig. 1. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.
The endpoints and any values of the ranges disclosed herein are not limited to the precise range or value, and are understood to encompass values approaching those ranges or values. For numerical ranges, one or more new numerical ranges may be found between the endpoints of each range, between the endpoint of each range and the individual point value, and between the individual point value, in combination with each other, and are to be considered as specifically disclosed herein.
In the present utility model, the term "connected" includes both direct connection between two members and connection between two members through at least one intermediate member.
As shown in fig. 1: the first aspect of the utility model provides a residual cold recovery device of a carbon dioxide liquefaction spherical tank emptying system, which comprises:
the liquefied spherical tank emptying system is used for emptying and decompressing residual cold air when the liquefied spherical tank 111 storing liquid carbon dioxide exceeds the rated pressure;
a compression unit for compressing a gas stream of a carbon dioxide-containing feed gas;
the residual cold recovery unit is used for introducing the air flow containing residual cold air and exchanging heat with the air flow containing carbon dioxide raw material gas passing through the compression unit; the residual cold recovery unit is provided with a residual cold air inlet and a residual cold air outlet; the residual cold air inlet is connected with the liquefied spherical tank emptying system; the residual cold air outlet is connected with the inlet side of the compression unit;
and the liquefaction separation unit is used for liquefying and separating the gas flow of the carbon dioxide-containing raw gas passing through the residual cooling recovery unit to obtain liquid carbon dioxide.
The liquefied spherical tank 111 storing liquid carbon dioxide absorbs heat and gasifies after long-term storage, the pressure in the spherical tank increases after gasification, and the spherical tank must be opened for pressure relief after reaching the rated pressure of the spherical tank, and the gas discharged by pressure relief is residual cold gas. Residual cold air discharged by decompression in the existing device adopts a liquefying recycling mode. According to the device disclosed by the utility model, more public engineering consumption caused by the liquefaction process of liquefaction recovery and reutilization can be avoided, meanwhile, the residual cold air resource is effectively utilized, the problem of resource waste caused by decompression of the spherical tank breather valve in the carbon oxide liquefaction process is effectively avoided, the public engineering cost in the carbon dioxide liquefaction process can be obviously reduced, and the device has a wide application prospect.
According to the utility model, it can be understood that the residual cold air outlet is connected with the inlet side of the compression unit, and in operation, the residual cold air can be mixed with the carbon dioxide feed gas to be continuously introduced into the compression unit after heat exchange with the carbon dioxide feed gas in the residual cold recovery unit, and the carbon dioxide feed gas-containing gas flow comprises the carbon dioxide feed gas and the heat exchanged residual cold air flow; likewise, the gas stream of the carbon dioxide-containing feed gas continues to the compression unit, the residual cold recovery unit and the liquefaction separation unit to obtain liquid carbon dioxide, which is recycled.
According to the present utility model, in some embodiments, in order to provide carbon dioxide feed gas into the apparatus, in some embodiments, the apparatus further comprises a carbon dioxide feed gas supply unit 551 provided upstream of the compression unit for providing carbon dioxide feed gas to the inlet side of the compression unit.
According to the present utility model, the structure of the carbon dioxide raw material gas supply unit 551 is not limited as long as the carbon dioxide raw material gas can be increased according to the amount of the carbon dioxide raw material gas required.
According to the present utility model, in some embodiments, the liquefied spherical tank emptying system includes a liquefied spherical tank 111 and a buffer unit connected in sequence along the direction of the flow of the residual cold air, and an emptying valve 112 is disposed between the connection pipes of the liquefied spherical tank 111 and the buffer unit.
According to the present utility model, when the pressure in the liquefaction bulb 111 exceeds the rated pressure, the vent valve 112 in the device may be opened, and the carbon dioxide gas in the liquefaction bulb 111 enters one or more buffer tanks 113 in sequence to obtain residual cool gas.
According to the present utility model, the arrangement of the buffer unit is not limited as long as the object of the present utility model can be achieved, and in some preferred embodiments, the buffer unit includes one or more buffer tanks 113 connected in series in sequence.
According to the utility model, in order to be able to monitor the pressure in the device, in some preferred embodiments, the buffer tank 113 is provided with a pressure gauge; in some preferred embodiments, the vent valve 112 is provided with a pressure gauge.
According to the utility model, in some preferred embodiments, the liquefaction separation unit outlet side is connected to a liquefaction drum 111 for delivering liquid carbon dioxide into the liquefaction drum 111 for storage. By adopting the embodiment, the device of the utility model not only effectively utilizes the residual cold of the residual cold air and recovers the discharged air cold quantity, thereby avoiding the resource waste of the cold quantity, but also realizes the recycling of the residual cold air and avoiding the secondary discharge of carbon dioxide caused by the discharge of the residual cold air into the atmosphere.
According to the present utility model, in some embodiments, the buffer unit is disposed between the liquefaction spherical tank 111 and the residual cold recovery unit, and the buffer tank 113 is provided with a breather valve. The device can effectively avoid the problem of resource waste caused by decompression of the spherical tank breather valve in the carbon dioxide liquefaction process.
According to the present utility model, in some embodiments, the bottom of the first buffer tank 113 is connected to the top of the liquefaction drum 111.
According to the present utility model, in some embodiments, the residual cold recovery unit includes a residual cold recovery device 331; the last buffer tank 113 is connected to the residual heat recovery device 331 at the top.
According to the present utility model, the structure of the residual heat recovery device 331 is not limited as long as the object of the present utility model can be achieved, and in some preferred embodiments, the residual heat recovery device 331 is a shell-and-tube residual heat recoverer.
According to the present utility model, in some embodiments, the residual cold recovery device 331 is provided with a tube layer inlet and a tube layer outlet, and takes the tube layer inlet as a residual cold air outlet and the tube layer outlet as a residual cold air outlet, and the Yu Lengqi is introduced through the tube layer inlet and is led out through the tube layer outlet.
According to the present utility model, in some embodiments, the after-heat recovery device 331 is provided with a shell inlet through which the gas stream of the carbon dioxide-containing raw gas passing through the compression unit is introduced and a shell outlet through which the gas stream is extracted.
According to the present utility model, it is understood that the shell inlet of the after-heat recovery device 331 is connected to the compression unit outlet side; the shell outlet of the residual heat recovery device 331 is connected to the inlet of the liquefier 441.
In the utility model, by adopting the mode, the heat exchange between the air flow containing residual cold air and the air flow containing carbon dioxide raw material gas passing through the compression unit can be effectively realized.
According to the present utility model, in some embodiments, the compression unit includes one or more compressors 221 in series in turn.
According to the present utility model, in some embodiments, the liquefaction and separation unit includes a liquefier 441, a refrigerator 442 and a separator 443, wherein the liquefier 441 is connected to the residual heat recovery unit for liquefying the gas stream of the carbon dioxide-containing raw gas subjected to heat exchange in the residual heat recovery unit, the refrigerator 442 is connected to the liquefier 441, and the upper portion of the separator 443 is connected to the liquefier 441 for receiving the material liquefied by the liquefier 441. With the above embodiment, liquid carbon dioxide can be obtained by liquefaction and separation.
According to the present utility model, it is understood that the outlet of liquefier 441 is connected to the inlet of separator 443.
According to the present utility model, in some embodiments, the upper portion of the separator 443 is connected with the residual cold recovery unit; in some preferred embodiments, the upper portion of the separator 443 is connected to the pipe layer inlet of the residual heat recovering device 331.
According to the present utility model, it is understood that after the desired liquid carbon dioxide is separated in the separator 443, there is also a portion of gas which can be introduced into the waste heat recovery unit from the pipe layer inlet of the waste heat recovery device alone or together with the waste heat gas, and at this time, the gas stream containing the waste heat gas includes the waste heat gas and the gas separated in the separator 443.
According to the utility model, in some embodiments, the apparatus further comprises a circulating water cooling unit for cooling the compression unit and the liquefaction separation unit.
According to the present utility model, the structure of the circulating water cooling unit is not limited as long as the object of the present utility model can be achieved, and in some embodiments, the circulating water cooling unit is provided with a circulating water inlet 661 and a circulating water return inlet 662; the water supply and return device is used for supplying and returning circulating water.
In accordance with the present utility model, in some embodiments,
according to the present utility model, it will be appreciated that the various streams and materials of the present utility model are introduced through pipes, i.e. the units and/or equipment of the apparatus of the present utility model are connected by pipes, the various pipes being cross-connectable.
Specifically, as shown in fig. 1, in an exemplary embodiment of the present utility model, with reference to fig. 1, the device provided by the present utility model is used to recycle the residual cold of the carbon dioxide liquefaction spherical tank emptying system.
The liquefied spherical tank emptying system comprises a liquefied spherical tank 111 and a buffer unit which are connected in sequence along the flowing direction of residual cold air; an emptying valve 112 is arranged between the liquefied spherical tank 111 and a connecting pipeline of the buffer unit, and the buffer unit comprises a buffer tank 113; the buffer tank 113 is provided with a pressure gauge (not shown); the pressure gauge (not shown) is arranged on the air release valve 112;
a compression unit including a compressor 221;
a residual cold recovery unit including a residual cold recovery device 331; the residual cold recovery device 331 is a shell-and-tube residual cold recoverer; the remaining heat recovery device 331 is provided with a tube layer inlet (not shown) and a tube layer outlet (not shown); the after-heat recovery device 331 is provided with a shell inlet (not shown) and a shell outlet (not shown);
a liquefaction separation unit including a liquefier 441, a refrigerator 442, and a separator 443; the refrigerator 442 is connected to the liquefier 441; the upper part of the separator 443 is connected with the liquefier 441 through a pipeline 4; the upper part of the separator 443 is connected with a pipe layer inlet on the residual cold recovery device 331;
the circulating water cooling unit is provided with a circulating water inlet 661 and a circulating water return inlet 662;
the carbon dioxide raw material gas supply unit 551 supplies a carbon dioxide raw material gas to the compression unit inlet side through a pipe 1; the outlet of the compressor 221 is connected with a shell inlet on the residual cold recovery device 331 through a pipeline 2; the shell outlet on the residual heat recovery device 331 is connected with the inlet of the liquefier 441 through a pipeline 3; the outlet of the liquefier 441 is connected with the inlet of the separator 443 through a pipeline 4; the separator 443 is connected to the liquefaction tank 111 through a pipe 5;
the buffer tank 113 is connected with a pipe layer inlet on the residual cold recovery device 331 through a pipeline 12 and a pipeline 6; the pipe layer outlet of the residual heat recovery device 331 is connected with the inlet side of the compressor 221 through a pipeline 7;
the circulating water supply pipeline is connected with the compressor 221 through a pipeline 8 and is connected with the refrigerator 442 through a pipeline 10;
the circulating water return pipe is connected with the compressor 221 through a pipe 9 and is connected with the refrigerator 442 through a pipe 11;
when the liquefied spherical tank 111 storing liquid carbon dioxide in the liquefied spherical tank emptying system exceeds the rated pressure, the emptying valve 112 is opened, carbon dioxide gas enters the buffer tank 113 to obtain residual cold gas, and the residual cold gas passes through the pipeline 12 and the pipeline 6 and passes through a pipe layer of the residual cold recovery unit; the carbon dioxide raw material gas supply unit 551 introduces carbon dioxide raw material gas through a pipeline 1 into the compressor 221 for compression, and then introduces a shell layer of the residual cold recovery unit through a pipeline 2 for heat exchange with the gas flow of the carbon dioxide raw material gas compressed by the compression unit; when the compressor 221 works, the circulating water inlet 661 supplies circulating water to the compressor 221 through a pipeline 8, and the circulating water is led out through a pipeline 9 and enters a circulating water return port 662;
the carbon dioxide-containing raw gas subjected to heat exchange enters the liquefier 441 through the pipeline 3 and is liquefied and then enters the separator 443 through the pipeline 4 for separation, the separated liquid carbon dioxide flows into the liquefaction spherical tank 111 through the pipeline 5, the gas separated in the separator 443 is mixed with residual cold gas through the pipeline 6 and then enters the residual cold recovery unit through the pipeline 6 to exchange heat with the gas flow of the carbon dioxide-containing raw gas passing through the compression unit, and the cycle is performed; when the liquefier 441 is in operation, the refrigerator 442 is also in operation, and when the refrigerator 442 is in operation, the circulating water inlet 661 supplies circulating water to the refrigerator 442 through the pipeline 10, and the circulating water is led out through the pipeline 11 to enter the circulating water return port 662;
the air flow containing residual cold air after heat exchange is introduced into the inlet of the compression unit through the pipeline 7, is mixed with the carbon dioxide raw material gas provided by the carbon dioxide raw material gas supply unit 551, and is continuously introduced into the compression unit for heat exchange, and is circulated.
The liquid carbon dioxide in the liquefied spherical tank 111 can be transported to the dock through piping lane as needed.
The existing device is obtained by directly introducing the device into the inlet side of a compression unit through a pipeline and then separating the device into a liquefaction separation unit.
The residual cold air of the liquefied spherical tank emptying system is recovered in CN203927383U and then enters a compression unit and a liquefied separation unit to obtain liquid carbon dioxide, and when the same amount of liquid carbon dioxide is obtained, the utility consumption of the device is analyzed and measured, and the electric power of the device can be reduced by 10-20%.
The preferred embodiments of the present utility model have been described in detail above, but the present utility model is not limited thereto. Within the scope of the technical idea of the utility model, a number of simple variants of the technical solution of the utility model are possible, including combinations of the individual technical features in any other suitable way, which simple variants and combinations should likewise be regarded as being disclosed by the utility model, all falling within the scope of protection of the utility model.
Claims (10)
1. Residual cold recovery device of carbon dioxide liquefaction spherical tank emptying system, which is characterized in that the device comprises:
the liquefied spherical tank emptying system is used for emptying and decompressing the liquefied spherical tank storing the liquid carbon dioxide to obtain residual cold air when the liquefied spherical tank exceeds the rated pressure;
a compression unit for compressing a gas stream of a carbon dioxide-containing feed gas;
the residual cold recovery unit is used for introducing the air flow containing residual cold air and exchanging heat with the air flow containing carbon dioxide raw material gas passing through the compression unit; the residual cold recovery unit is provided with a residual cold air inlet and a residual cold air outlet; the residual cold air inlet is connected with the liquefied spherical tank emptying system; the residual cold air outlet is connected with the inlet side of the compression unit;
and the liquefaction separation unit is used for liquefying and separating the gas flow of the carbon dioxide-containing raw gas passing through the residual cooling recovery unit to obtain liquid carbon dioxide.
2. The device for recycling residual cold of carbon dioxide liquefied spherical tank emptying system according to claim 1, wherein,
the device also comprises a carbon dioxide feed gas supply unit arranged upstream of the compression unit and used for supplying carbon dioxide feed gas to the inlet side of the compression unit; and/or
And the liquefied spherical tank emptying system comprises a liquefied spherical tank and a buffer unit which are sequentially connected, and an emptying valve is arranged between the liquefied spherical tank and a connecting pipeline of the buffer unit.
3. The device for recycling residual cold of carbon dioxide liquefied spherical tank emptying system according to claim 2, wherein,
the buffer unit comprises one or more buffer tanks which are sequentially connected in series;
each buffer tank is provided with a pressure gauge; and/or
The emptying valve is provided with a pressure gauge;
the outlet side of the liquefaction separation unit is connected with the liquefaction spherical tank and is used for delivering liquid carbon dioxide into the liquefaction spherical tank for storage.
4. The device for recycling residual cold of a carbon dioxide liquefying ball tank emptying system according to claim 3,
the buffer unit is arranged between the liquefaction spherical tank and the residual cold recovery unit;
a breather valve is arranged on the buffer tank; and/or
The bottom of the first buffer tank is connected with the top of the liquefied spherical tank.
5. The device for recycling residual cold in a carbon dioxide liquefying ball tank emptying system according to claim 4, wherein,
the residual cold recycling unit comprises residual cold recycling equipment;
the top of the last buffer tank is connected with the residual cold recovery device;
the residual cold recovery device is a shell-and-tube type residual cold recoverer.
6. The device for recycling residual cold in a carbon dioxide liquefying ball tank emptying system according to claim 5, wherein,
the residual cold recovery device is provided with a pipe layer inlet and a pipe layer outlet, wherein the pipe layer inlet is used as a residual cold air outlet, the pipe layer outlet is used as a residual cold air outlet, and Yu Lengqi is led in through the pipe layer inlet and led out through the pipe layer outlet; and/or
The residual cold recovery device is provided with a shell inlet and a shell outlet, and the air flow of the carbon dioxide-containing raw material gas passing through the compression unit is introduced through the shell inlet and is led out through the shell outlet.
7. The device for recycling residual cold in a carbon dioxide liquefying ball tank emptying system according to claim 6, wherein,
the compression unit comprises one or more compressors which are sequentially connected in series; and/or
The liquefaction and separation unit comprises a liquefier, a refrigerator and a separator;
the liquefier is connected with the residual cold recovery unit along the flow direction of the gas flow of the carbon dioxide-containing raw gas and is used for liquefying the gas flow of the carbon dioxide-containing raw gas subjected to heat exchange in the residual cold recovery unit;
the refrigerator is connected with the liquefier;
the upper part of the separator is connected with the liquefier and is used for receiving the material obtained after the liquefaction of the liquefier.
8. The device for recycling residual cold in a carbon dioxide liquefying ball tank emptying system according to claim 6, wherein,
the upper part of the separator is connected with the inlet of the pipe layer of the residual cold recovery device.
9. The device for recycling residual cold in a carbon dioxide liquefying ball tank emptying system according to claim 7,
the device also comprises a circulating water cooling unit for cooling the compression unit and the liquefaction separation unit;
the circulating water cooling unit is provided with a circulating water inlet and a circulating water return opening; the water supply and return device is used for supplying and returning circulating water.
10. The device for recycling residual cold of carbon dioxide liquefying ball tank emptying system according to claim 9,
the circulating water upper water port is respectively connected with the compression unit and the refrigerator through pipelines; and/or
The circulating water return port is respectively connected with the compression unit and the refrigerator through pipelines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222130182.7U CN218915573U (en) | 2022-08-12 | 2022-08-12 | Residual cold recovery device of carbon dioxide liquefied spherical tank emptying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222130182.7U CN218915573U (en) | 2022-08-12 | 2022-08-12 | Residual cold recovery device of carbon dioxide liquefied spherical tank emptying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218915573U true CN218915573U (en) | 2023-04-25 |
Family
ID=86012688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222130182.7U Active CN218915573U (en) | 2022-08-12 | 2022-08-12 | Residual cold recovery device of carbon dioxide liquefied spherical tank emptying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218915573U (en) |
-
2022
- 2022-08-12 CN CN202222130182.7U patent/CN218915573U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205641671U (en) | Synthetic ammonia refrigeration system | |
| CN105180595A (en) | System and method for preparing hydrogen rich gas and liquid methane | |
| CN112516614A (en) | Power device flue gas carbon dioxide emission reduction system | |
| CN104110940A (en) | Efficient air separation device utilizing liquefied natural gas cold energy | |
| CN105571269A (en) | Low-temperature distillation and liquefying separation recovery system and method for coal bed gas high in nitrogen content, oxygen content and hydrogen content | |
| CN218915573U (en) | Residual cold recovery device of carbon dioxide liquefied spherical tank emptying system | |
| CN212720484U (en) | Natural gas liquefaction system | |
| CN103773529B (en) | Pry-mounted associated gas liquefaction system | |
| CN112556313A (en) | Heat supply and air separation system utilizing high-temperature and high-pressure steam and application method thereof | |
| CN204240703U (en) | A kind of efficient air separation unit utilizing cold energy of liquefied natural gas | |
| CN107560321A (en) | BOG is reclaimed and nitrogen gas liquefaction system and process | |
| CN109595461B (en) | LNG regasification and liquid air preparation system and working method | |
| CN104194853B (en) | The device of the coalbed methane containing oxygen synthesis LNG of a kind of methane content 15-40% and technique | |
| CN215676067U (en) | Liquid air production device utilizing LNG cold energy | |
| CN217005101U (en) | Three-stage compression expansion driven industrial tail gas carbon dioxide recovery cold box device | |
| CN216591080U (en) | Hydrogen pressurization output system | |
| CN117628838A (en) | Residual cold recovery device and recovery method for carbon dioxide liquefied spherical tank emptying system | |
| CN205079542U (en) | System for prepare hydrogen rich gas and liquid methane | |
| CN210768963U (en) | Peak regulation system of air separation device of nuclear power plant | |
| CN109737691B (en) | Air separation system of iron and steel enterprise | |
| CN112556312A (en) | Steam-driven air separation method and steam T-stage utilization system for same | |
| CN105444527A (en) | Natural gas processing device and method | |
| CN104944372A (en) | Device and method for separating and recovering nitrogen, hydrogen and carbon dioxide in carbon dioxide exhaust air | |
| CN213984245U (en) | Novel hydrogen liquefaction device | |
| CN205316816U (en) | Gas treatment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |