CN218033804U - CO2 transcritical refrigerating unit applied to ship tail gas carbon capture - Google Patents
CO2 transcritical refrigerating unit applied to ship tail gas carbon capture Download PDFInfo
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- CN218033804U CN218033804U CN202221430815.XU CN202221430815U CN218033804U CN 218033804 U CN218033804 U CN 218033804U CN 202221430815 U CN202221430815 U CN 202221430815U CN 218033804 U CN218033804 U CN 218033804U
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Abstract
The utility model discloses be applied to CO2 transcritical refrigerating unit of boats and ships tail gas carbon entrapment relates to refrigeration plant technical field, especially relates to a CO2 transcritical refrigerating unit of being applied to boats and ships tail gas carbon entrapment. The output ends of the high-pressure stage compressor and the medium-pressure stage compressor of the utility model are connected with the high-pressure stage oil separator; an air cooling device is arranged between the air outlet end of the high-pressure-stage oil separator and the parallel heat exchanger; the liquid outlet end of the parallel heat exchanger, the back pressure valve and the flash tank are connected in sequence; one path of the gas outlet end of the flash tank returns to the medium-pressure stage compressor through the parallel heat exchanger, and the other path returns to the high-pressure stage compressor; the liquid outlet end of the flash tank is respectively connected with the medium-temperature expansion valve and the heat regenerator; the medium temperature expansion valve is connected with the input end of the high-pressure stage compressor through the medium temperature evaporator; the heat regenerator is connected with the low-pressure stage compressor; the output end of the low-pressure stage compressor is connected with the input end of the high-pressure stage compressor through a desuperheater.
Description
Technical Field
The utility model discloses be applied to CO2 transcritical refrigerating unit of boats and ships tail gas carbon entrapment relates to refrigeration plant technical field, especially relates to a CO2 transcritical refrigerating unit of being applied to boats and ships tail gas carbon entrapment.
Background
In the 80 s of the 20 th century, with the rapid development of the refrigeration industry and the adverse effect of CFCs on the ozone layer and the atmospheric warming, the requirement of replacing CFCs refrigerants is proposed worldwide from the standpoint of environmental protection, and one ubiquitous view is that natural refrigerants are used as substitute products, so that the use of CO2 becomes a hot spot; however, in the past, most of the CO2 refrigeration systems are used as cooling systems, and the cooling systems also need to be used together with fluorine-containing refrigerants, and the fluorine-containing refrigerants are well known to cause environmental damage.
In view of the problems in the prior art, it is necessary to develop a novel CO2 transcritical refrigeration unit for carbon capture in ship exhaust.
Disclosure of Invention
According to the prior art, the conventional CO2 refrigerating system needs to be used together with a fluorine-containing refrigerant for carrying cold, so that the technical problems that the environment is damaged, electric energy is consumed on the heat exchange side of a gas cooler and the like are solved, and the CO2 transcritical refrigerating unit applied to ship tail gas carbon capture is provided. The utility model discloses mainly utilize CO2 as transcritical refrigerating system's refrigerant, carry out carbon capture to boats and ships tail gas to improve system COP, and reach energy-efficient purpose.
The utility model discloses a technical means as follows:
a CO2 transcritical refrigerating unit applied to ship tail gas carbon capture comprises: the system comprises a high-pressure stage compressor, a medium-pressure stage compressor, a low-pressure stage compressor, a high-pressure stage oil separator, an air cooling device, a superheater, a parallel heat exchanger, a back pressure valve, a flash tank, a medium-temperature expansion valve, a medium-temperature evaporator and a heat regenerator;
further, the output ends of the high-pressure stage compressor and the medium-pressure stage compressor are connected with the high-pressure stage oil separator;
further, an air cooling device is arranged between the air outlet end of the high-pressure-stage oil separator and the parallel heat exchanger;
further, the liquid outlet end of the parallel heat exchanger, a back pressure valve and the flash tank are sequentially connected, and the back pressure valve forms a gas-liquid two-phase state after throttling and enters the flash tank;
furthermore, one path of the air outlet end of the flash tank returns to the intermediate-pressure stage compressor through the parallel heat exchanger, the other path returns to the high-pressure stage compressor, and a high-pressure valve is arranged between the flash tank and the high-pressure stage compressor;
further, the liquid outlet end of the flash tank is respectively connected with the medium-temperature expansion valve and the heat regenerator;
further, the medium temperature expansion valve is connected with the input end of the high-pressure stage compressor through the medium temperature evaporator;
further, the heat regenerator is connected with the low-pressure stage compressor;
further, the output of the low pressure stage compressor is connected to the input of the high pressure stage compressor through a desuperheater.
Furthermore, a gas separator is arranged in front of the input end of the high-pressure stage compressor;
further, the gas separator is respectively connected with a high-pressure valve, a medium-temperature evaporator and a de-superheater.
Furthermore, a loop consisting of a low-temperature expansion valve, a low-temperature evaporator I and a low-temperature evaporator II is arranged on the heat regenerator;
furthermore, the heat regenerator is connected with the low-temperature expansion valve, the first low-temperature evaporator and the second low-temperature evaporator in sequence, and the output end of the low-temperature evaporator group is connected with the heat regenerator.
Further, the air cooling apparatus includes: an air cooler, a water pump and a seawater-fresh water heat exchanger;
furthermore, the output end of the fresh water side of the air cooler is connected with the input end of the fresh water side of the seawater-fresh water heat exchanger;
further, the output end of the fresh water side of the seawater-fresh water heat exchanger is connected with the input end of the fresh water side of the air cooler through a water pump;
furthermore, two sides of the water pump are respectively provided with a shock-absorbing throat, so that the water pump is prevented from being damaged by vibration during operation of the water pump;
furthermore, the input end of the refrigerant side of the air cooler is connected with the high-pressure-stage oil separator, and the output end of the air cooler is connected with the parallel heat exchanger;
furthermore, the input end of the seawater side of the seawater-fresh water heat exchanger is connected with a seawater inlet, and the output end of the seawater-fresh water heat exchanger is connected with a seawater outlet.
Furthermore, a differential pressure type flow switch is arranged between the output end and the input end of the fresh water side of the air cooler and used for detecting the flow of the fresh water on two sides and meeting the heat exchange requirement of the air cooler.
Furthermore, an expansion tank is arranged between the output end of the fresh water side of the seawater-fresh water heat exchanger and the water pump, and when the temperature changes in the closed fresh water waterway system, the operation safety of the system is ensured.
Furthermore, a water filling port is arranged on a pipeline between the output end differential pressure type flow switches on the fresh water side of the air cooler.
Furthermore, an air relief port is arranged on the pipeline between the differential pressure type flow switch and the input end of the fresh water side of the seawater-fresh water heat exchanger.
Furthermore, a water outlet is arranged on the pipeline of the fresh water side input end of the water pump and the air cooler.
The utility model discloses a working process does:
firstly, a high-pressure stage compressor and a medium-pressure stage compressor compress a CO2 refrigerant to a high-temperature high-pressure state, the CO2 refrigerant enters a high-pressure stage oil separator, the high-pressure stage oil separator separates frozen oil in the refrigerant, the separated oil enters an oil tank and returns to the compressor, the separated high-temperature high-pressure refrigerant gas enters an air cooling device for cooling, and then enters a parallel heat exchanger, so that the gas returning to the medium-pressure stage compressor from a flash tank is reheated, liquid drops are prevented from returning to the compressor, and the compressor is damaged due to liquid impact; the liquid CO2 enters a medium temperature expansion valve and a heat regenerator respectively after entering the medium temperature expansion valve for throttling, the evaporation temperature of the medium temperature evaporator is-10 ℃, CO2 tail gas mainly carries out sensible heat exchange in the medium temperature evaporator, no state change occurs, the refrigerant side returns to the high-pressure-stage return gas, enters the gas separation and returns to the high-pressure-stage compressor; the refrigerant which enters the 18 heat regenerators (the refrigerant which returns from the low-temperature evaporator enters the low-pressure stage compressor for heat regeneration, liquid drops are prevented from returning to the compressor, so that liquid impact occurs and the compressor is damaged), the refrigerant enters the low-temperature expansion valve for throttling after being cooled, then sequentially enters the low-temperature evaporator II, the low-temperature evaporator I, the evaporation temperature of the low-temperature evaporator is minus 40 ℃, the tail gas CO2 completes latent heat exchange in the low-temperature evaporator, namely, the gas state is condensed into the liquid state, and the refrigerant CO2 which completes heat exchange returns to the low-pressure stage compressor through the heat regenerators, so that a complete refrigeration cycle is completed.
The cooling process of the air cooling device comprises the following steps:
firstly, high-temperature and high-pressure CO2 gas from a compressor enters an air cooler (a refrigerant side) from a flow direction mark to exchange heat with the air cooler (a fresh water side), the temperature of the refrigerant side is reduced, the temperature of fresh water is increased, after the heat exchange is completed, the fresh water with the increased temperature enters a seawater-fresh water heat exchanger (a fresh water side) to exchange heat with the seawater-fresh water heat exchanger (a seawater side), the temperature of fresh water is reduced, the temperature of the seawater side is increased, after the heat exchange is completed, the fresh water enters a water pump and enters the air cooler (the fresh water side) to exchange heat for the next time.
The vibration-proof throats are arranged on two sides of the water pump, so that the water pump is prevented from being damaged by vibration during operation of the water pump; arranging differential pressure type flow switches at two ends of the air cooler (fresh water side) to monitor the flow at two sides of the fresh water so as to meet the heat exchange requirement of the air cooler; a water filling port, a water discharging port and an air discharging port are arranged, so that the requirement of water changing during replacing parts of the closed fresh water channel is met; arrange the expansion tank, when taking place temperature variation in closed fresh water waterway system, guarantee system operation security, the pressure grow is risen to the temperature, and in water will be pressed into the jar, the temperature reduction pressure reduces, and water flows out from the jar to guarantee closed water cycle operation security.
Compared with the prior art, the utility model has the advantages of it is following:
1. the utility model provides a CO2 transcritical refrigerating unit for boats and ships tail gas carbon entrapment adopts transcritical refrigeration technique, and whole closed refrigerating system all adopts CO2 as the refrigerant to for the refrigerating system under CO2 transcritical state, improve system COP, it is energy-efficient;
2. the CO2 transcritical refrigerating unit applied to the carbon capture of the ship tail gas adopts a CO2 refrigerant, and is green and environment-friendly and accords with the industry development concept;
3. the utility model provides a CO2 transcritical refrigerating unit applied to ship tail gas carbon capture, the unit is applied to ship tail gas absorption, widens the refrigeration industry field, and the product accords with carbon neutral and big background;
4. the utility model provides a CO2 transcritical refrigerating unit for gathering carbon in ship exhaust, through set up the throat of moving away to avoid possible earthquakes in both sides of water pump, guarantee the vibrations of water pump operation can not injure the water pump;
5. the utility model provides a CO2 transcritical refrigerating unit applied to ship tail gas carbon capture, which is provided with a water filling port, a water outlet and a gas release port in an air cooling device, and meets the requirement of water change when replacing parts in a closed fresh water path;
6. the utility model provides a CO2 transcritical refrigerating unit for boats and ships tail gas carbon entrapment sets up the expansion tank in the air cooling device, when taking place the temperature variation in closed fresh water waterway system, guarantees system operation security, and temperature rising pressure grow, and water will be pressed into the jar, and temperature reduction pressure reduces, and water flows out from the jar to guarantee closed hydrologic cycle operation security;
7. the utility model provides a be applied to CO2 transcritical refrigerating unit of boats and ships tail gas carbon entrapment, the air-cooled device adopts the water-cooled structure, refrigerant and water route heat transfer promptly, and the sea water will be quoted to the cold source, adopts the fresh water circulation of closed type, will save fresh water resources, and the low temperature nature of using the sea water simultaneously saves and need cool down fresh water electric energy in the past the water-cooled structure, and the energy saving, green accords with the trade development theory.
To sum up, use the technical scheme of the utility model the current CO2 refrigerating system who has solved among the prior art need arrange for carrying cold system and contain the fluorine refrigerant and use together, will destroy the environment, and the air cooler heat transfer side needs the power consumption scheduling problem.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a side view of FIG. 1;
FIG. 4 is a system diagram of the present invention;
fig. 5 is a system diagram of the air cooling apparatus of the present invention.
In the figure:
1. the system comprises a high-pressure stage compressor 2, a medium-pressure stage compressor 3, a low-pressure stage compressor 4, a gas separator 5, a high-pressure stage oil separator 6, a gas cooling device 7, a desuperheater 8, a parallel heat exchanger 9, a backpressure valve 10, a flash tank 11, a high-pressure valve 12, a liquid storage tank 13, a medium-temperature expansion valve 14, a medium-temperature evaporator 15, a low-temperature evaporator I16, a low-temperature evaporator II 17, a low-temperature expansion valve 18 and a heat regenerator
61. Air cooler 62, differential pressure type flow switch 63, shock absorbing throat 64, water pump 65, expansion tank 66 and seawater-fresh water heat exchanger.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below 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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. 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.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Unless specifically stated otherwise, the relative arrangement of parts and steps, numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be discussed further in subsequent figures.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element in question must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
For ease of description, spatially relative terms such as "over 8230 \ 8230;,"' over 8230;, \8230; upper surface "," above ", etc. may be used herein to describe the spatial relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; above" may include both orientations "at 8230; \8230; above" and "at 8230; \8230; below". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.
As shown in the figure, the utility model provides a be applied to CO2 transcritical refrigerating unit of boats and ships tail gas carbon entrapment includes: the system comprises a high-pressure stage compressor 1, a medium-pressure stage compressor 2, a low-pressure stage compressor 3, a high-pressure stage oil separator 5, an air cooling device 6, a superheater 7, a parallel heat exchanger 8, a back pressure valve 9, a flash tank 10, a medium-temperature expansion valve 13, a medium-temperature evaporator 14 and a heat regenerator 18; the output ends of the high-pressure stage compressor 1 and the medium-pressure stage compressor 2 are connected with a high-pressure stage oil separator 5; an air cooling device 6 is arranged between the air outlet end of the high-pressure stage oil separator 5 and the parallel heat exchanger 8; the liquid outlet end of the parallel heat exchanger 8, the backpressure valve 9 and the flash tank 10 are sequentially connected, and the backpressure valve 9 forms a gas-liquid two-phase state after throttling and enters the flash tank 10; one path of the gas outlet end of the flash tank 10 returns to the intermediate-pressure stage compressor 2 through the parallel heat exchanger 8, the other path returns to the high-pressure stage compressor 1, and a high-pressure valve 11 is arranged between the flash tank 10 and the high-pressure stage compressor 1; the liquid outlet end of the flash tank 10 is respectively connected with a medium temperature expansion valve 13 and a heat regenerator 18; the intermediate temperature expansion valve 13 is connected with the input end of the high-pressure stage compressor 1 through an intermediate temperature evaporator 14; the heat regenerator 18 is connected with the low-pressure stage compressor 3; the output of the low-pressure stage compressor 3 is connected to the input of the high-pressure stage compressor 1 via a superheater 7.
The front of the input end of the high-pressure stage compressor 1 is provided with a gas separator 4; the gas separator 4 is respectively connected with a high-pressure valve 11, a medium-temperature evaporator 14 and a desuperheater 7.
A loop consisting of a low-temperature expansion valve 17, a first low-temperature evaporator 15 and a second low-temperature evaporator 16 is arranged on the heat regenerator 18; the heat regenerator 18 is connected with a low-temperature expansion valve 17, a first low-temperature evaporator 15 and a second low-temperature evaporator 16 in sequence, and the output end of the low-temperature evaporator group is connected with the heat regenerator 18.
The air cooling device 6 includes: an air cooler 61, a water pump 64 and a seawater-fresh water heat exchanger 66; the output end of the fresh water side of the air cooler 61 is connected with the input end of the fresh water side of the seawater-fresh water heat exchanger 66; the output end of the fresh water side of the seawater-fresh water heat exchanger 66 is connected with the input end of the fresh water side of the air cooler 61 through a water pump 64; two sides of the water pump 64 are respectively provided with a shock absorption throat 63, so that the water pump 64 is prevented from being damaged by vibration generated when the water pump 64 operates; the input end of the refrigerant side of the air cooler 61 is connected with the high-pressure-stage oil separator 5, and the output end is connected with the parallel heat exchanger 8; the seawater-fresh water heat exchanger 66 has an input end connected to the seawater inlet and an output end connected to the seawater outlet.
A differential pressure type flow switch 62 is arranged between the output end and the input end of the fresh water side of the air cooler 61 and used for detecting flow on two sides of the fresh water and meeting the heat exchange requirement of the air cooler 61.
An expansion tank 65 is arranged between the output end of the fresh water side of the seawater-fresh water heat exchanger 66 and the water pump 64, and when temperature changes in the closed fresh water waterway system, the operation safety of the system is ensured.
A water filling port is provided in a pipe between the output end differential pressure type flow switches 62 on the fresh water side of the air cooler 61.
A gas relief port is arranged on the pipeline between the pressure difference type flow switch 62 and the fresh water side input end of the seawater-fresh water heat exchanger 66.
The water pump 64 and the pipeline of the fresh water side input end of the air cooler 61 are provided with water outlets.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (9)
1. A CO2 transcritical refrigerating unit applied to ship tail gas carbon capture is characterized in that:
the CO2 transcritical refrigerating unit applied to the carbon capture of the ship tail gas comprises: the system comprises a high-pressure stage compressor (1), a medium-pressure stage compressor (2), a low-pressure stage compressor (3), a high-pressure stage oil separator (5), an air cooling device (6), a superheater (7), a parallel heat exchanger (8), a back pressure valve (9), a flash tank (10), a medium-temperature expansion valve (13), a medium-temperature evaporator (14) and a heat regenerator (18);
the output ends of the high-pressure stage compressor (1) and the medium-pressure stage compressor (2) are connected with a high-pressure stage oil separator (5);
an air cooling device (6) is arranged between the air outlet end of the high-pressure stage oil separator (5) and the parallel heat exchanger (8);
the liquid outlet end of the parallel heat exchanger (8), the back pressure valve (9) and the flash tank (10) are sequentially connected, and the back pressure valve (9) forms a gas-liquid two-phase state after throttling and enters the flash tank (10);
one path of the air outlet end of the flash tank (10) returns to the medium-pressure stage compressor (2) through the parallel heat exchanger (8), the other path returns to the high-pressure stage compressor (1), and a high-pressure valve (11) is arranged between the flash tank (10) and the high-pressure stage compressor (1);
the liquid outlet end of the flash tank (10) is respectively connected with the medium-temperature expansion valve (13) and the heat regenerator (18);
the medium temperature expansion valve (13) is connected with the input end of the high-pressure stage compressor (1) through a medium temperature evaporator (14);
the heat regenerator (18) is connected with the low-pressure stage compressor (3);
the output end of the low-pressure stage compressor (3) is connected with the input end of the high-pressure stage compressor (1) through a superheater (7).
2. The CO2 transcritical refrigeration unit for carbon capture in ship tail gas according to claim 1, wherein:
an air separator (4) is arranged in front of the input end of the high-pressure stage compressor (1);
the gas separator (4) is respectively connected with the high-pressure valve (11), the medium-temperature evaporator (14) and the de-superheater (7).
3. The CO2 transcritical refrigeration unit for carbon capture in ship tail gas according to claim 1, wherein:
a loop consisting of a low-temperature expansion valve (17), a first low-temperature evaporator (15) and a second low-temperature evaporator (16) is arranged on the heat regenerator (18);
the heat regenerator (18) is connected with the low-temperature expansion valve (17), the first low-temperature evaporator (15) and the second low-temperature evaporator (16) in sequence, and the output end of the low-temperature evaporator group is connected with the heat regenerator (18).
4. The CO2 transcritical refrigeration unit for carbon capture in ship tail gas according to claim 1, wherein:
the air cooling device (6) comprises: an air cooler (61), a water pump (64) and a seawater-fresh water heat exchanger (66);
the output end of the fresh water side of the air cooler (61) is connected with the input end of the fresh water side of the seawater-fresh water heat exchanger (66);
the output end of the fresh water side of the seawater-fresh water heat exchanger (66) is connected with the input end of the fresh water side of the air cooler (61) through a water pump (64);
two sides of the water pump (64) are respectively provided with a shock-absorbing throat (63) to ensure that the water pump (64) is not damaged by the shock when the water pump (64) operates;
the input end of the refrigerant side of the air cooler (61) is connected with the high-pressure-stage oil separator (5), and the output end of the air cooler is connected with the parallel heat exchanger (8);
the input end of the seawater side of the seawater-fresh water heat exchanger (66) is connected with a seawater inlet, and the output end of the seawater-fresh water heat exchanger is connected with a seawater outlet.
5. The CO2 transcritical refrigeration unit for carbon capture in ship tail gas according to claim 4, wherein:
a differential pressure type flow switch (62) is arranged between the output end and the input end of the fresh water side of the air cooler (61) and used for detecting the flow of the two sides of the fresh water to meet the heat exchange requirement of the air cooler (61).
6. The CO2 transcritical refrigeration unit for carbon capture in ship tail gas according to claim 4, wherein:
an expansion tank (65) is arranged between the output end of the fresh water side of the seawater-fresh water heat exchanger (66) and the water pump (64), and when the temperature changes in the closed fresh water waterway system, the operation safety of the system is ensured.
7. The CO2 transcritical refrigeration unit for carbon capture in marine exhaust according to claim 5, wherein:
and a water filling port is arranged on a pipeline between the output end differential pressure type flow switches (62) on the fresh water side of the air cooler (61).
8. The CO2 transcritical refrigeration unit for carbon capture in marine exhaust according to claim 7, wherein:
an air relief port is arranged on a pipeline between the differential pressure type flow switch (62) and the fresh water side input end of the seawater-fresh water heat exchanger (66).
9. The CO2 transcritical refrigeration unit for carbon capture in ship tail gas according to claim 6, wherein:
and a water outlet is arranged on the pipeline of the fresh water side input end of the water pump (64) and the air cooler (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202221430815.XU CN218033804U (en) | 2022-06-08 | 2022-06-08 | CO2 transcritical refrigerating unit applied to ship tail gas carbon capture |
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| CN202221430815.XU CN218033804U (en) | 2022-06-08 | 2022-06-08 | CO2 transcritical refrigerating unit applied to ship tail gas carbon capture |
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| CN218033804U true CN218033804U (en) | 2022-12-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115164430A (en) * | 2022-06-08 | 2022-10-11 | 松下冷机***（大连）有限公司 | CO applied to ship tail gas carbon capture 2 Transcritical refrigerating unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115164430A (en) * | 2022-06-08 | 2022-10-11 | 松下冷机***（大连）有限公司 | CO applied to ship tail gas carbon capture 2 Transcritical refrigerating unit |
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Address after: 116600 No. 8 Songlan Street, Dalian Economic and Technological Development Zone, Liaoning Province Patentee after: Bingshan Songyang Refrigerator System (Dalian) Co.,Ltd. Address before: No. 8 Songlan Street, Economic and Technological Development Zone, Dalian City, Liaoning Province, 116000 Patentee before: PANASONIC REFRIGERATOR SYSTEM (DALIAN) CO.,LTD. |
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