CN208170858U - Co 2 liquefaction recyclable device - Google Patents
Co 2 liquefaction recyclable device Download PDFInfo
- Publication number
- CN208170858U CN208170858U CN201820491382.6U CN201820491382U CN208170858U CN 208170858 U CN208170858 U CN 208170858U CN 201820491382 U CN201820491382 U CN 201820491382U CN 208170858 U CN208170858 U CN 208170858U
- Authority
- CN
- China
- Prior art keywords
- flow
- gas
- ammonia
- liquefaction
- liquefied ammonia
- 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.)
- Expired - Fee Related
Links
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 106
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 47
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 239000002994 raw material Substances 0.000 claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims abstract description 14
- 238000005070 sampling Methods 0.000 claims description 8
- 230000008676 import Effects 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 40
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 20
- 239000001569 carbon dioxide Substances 0.000 abstract description 20
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 238000011897 real-time detection Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 42
- 238000000926 separation method Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 4
- 238000007906 compression Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/0002—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the fluid to be liquefied
- F25J1/0027—Oxides of carbon, e.g. CO2
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/003—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production
- F25J1/0047—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using an "external" refrigerant stream in a closed vapor compression cycle
- F25J1/0052—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using an "external" refrigerant stream in a closed vapor compression cycle by vaporising a liquid refrigerant stream
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
- F25J1/0203—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process using a single-component refrigerant [SCR] fluid in a closed vapor compression cycle
- F25J1/0204—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process using a single-component refrigerant [SCR] fluid in a closed vapor compression cycle as a single flow SCR cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
- F25J1/0228—Coupling of the liquefaction unit to other units or processes, so-called integrated processes
- F25J1/0235—Heat exchange integration
- F25J1/0237—Heat exchange integration integrating refrigeration provided for liquefaction and purification/treatment of the gas to be liquefied, e.g. heavy hydrocarbon removal from natural gas
- F25J1/0238—Purification or treatment step is integrated within one refrigeration cycle only, i.e. the same or single refrigeration cycle provides feed gas cooling (if present) and overhead gas cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
- F25J1/0243—Start-up or control of the process; Details of the apparatus used; Details of the refrigerant compression system used
- F25J1/0244—Operation; Control and regulation; Instrumentation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2220/00—Processes or apparatus involving steps for the removal of impurities
- F25J2220/80—Separating impurities from carbon dioxide, e.g. H2O or water-soluble contaminants
- F25J2220/82—Separating low boiling, i.e. more volatile components, e.g. He, H2, CO, Air gases, CH4
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2230/00—Processes or apparatus involving steps for increasing the pressure of gaseous process streams
- F25J2230/30—Compression of the feed stream
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2270/00—Refrigeration techniques used
- F25J2270/90—External refrigeration, e.g. conventional closed-loop mechanical refrigeration unit using Freon or NH3, unspecified external refrigeration
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Separation By Low-Temperature Treatments (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses a kind of co 2 liquefaction recyclable devices, during the recyclable device is run, flow information is simultaneously fed back to master controller by the flow of the gas of gas flow sensor real-time detection raw material gas tank outflow, master controller controls the revolving speed of frequency conversion liquid pump according to the changes in flow rate of gas, and control the flow that flow adjusts electrically-controlled valve, to adjust the conveying capacity of liquefied ammonia, to make the conveying capacity of liquefied ammonia and the flow of gas match, keep the utilization of liquefied ammonia more reasonable, reduce the absorption of the heat in liquefied ammonia external environment, to which the electric energy of subsequent re-liquefied ammonia consumption be effectively reduced, reduce the energy consumption of carbon dioxide recovering apparatus.
Description
Technical field
The utility model relates to a kind of petrochemical industry waste gas recovery equipments, more specifically, it relates to a kind of carbon dioxide
Recovery device of liquefied.
Background technique
Petrochemical industry, a large amount of exhaust gas can be generated in industrial processes by smelting etc., and main ingredient is carbon dioxide, is contained
Amount is generally 80% or more, these exhaust gas are directly discharged in atmosphere, can cause greatly to pollute to atmospheric environment.
Since carbon dioxide is a kind of widely used raw material of industry, by the carbon dioxide in petrochemical production process into
Row, which recycles, not only can be reduced atmosphere pollution, but also can increase economic efficiency.
The mode of liquefaction separation is usually used to the recycling of carbon dioxide in the prior art, utilizes each component in unstripped gas
The different boiling point of gas is made unstripped gas cooling liquid and is separated with boiling point difference using the method for cryogenic technique.But it liquefies
Isolation technics is just needed using a fairly large number of refrigeration machine, since the power consumption of refrigeration machine is very big, so current liquefaction separation is returned
The mode cost for receiving carbon dioxide is high, limits recycling of the people for carbon dioxide in waste gas.
Application No. is the Chinese patents of CN200920245485.5 to disclose carbon dioxide liquid in a kind of petrochemical industry tail gas
Change recyclable device, successively by raw material gas tank, compressor, cooler, separator, heat exchanger, destilling tower and cryogenic vacuum storage tank
Be formed by connecting by pipeline, carbon dioxide gas through compression, cooling, recompress, be segregated into one wing passage of heat exchanger, it is special
Sign be further include liquid-gas phase transition device, the liquid-gas phase transition device is connected by pipeline with the evaporator on destilling tower top, steaming
Hair device is connected to another wing passage of the heat exchanger, generates cooling capacity using liquefied ammonia detour phase transition process and replaces conventional titanium dioxide
Refrigeration unit is set in carbon liquid separation process, cooling capacity is provided, not only saves the equipment investment of refrigeration machine, but also save for a long time
Power consumed by refrigerator operation is saved, so that cryogenic liquid carbon dioxide cost obtained greatly declines.
But it is exactly that the flow of its liquefied ammonia cannot be adjusted with the flow of gas raw material that the recyclable device, which has a defect,
It will appear the conveying excessive situation of ammonia in the flow-reduction of gas raw material, it is excessive other than absorbing the heat of gas raw material
Liquefied ammonia can absorb the heat in environment, cause subsequent to need to consume unnecessary electric energy, therefore, this time to the re-liquefied of ammonia
Receiving apparatus has much room for improvement, to reduce its energy consumption.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of recycling of co 2 liquefaction to fill
It sets, the conveying capacity of liquefied ammonia can be automatically adjusted with the flow of gas raw material, have lower energy consumption.
To achieve the above object, the utility model provides following technical solution：
A kind of co 2 liquefaction recyclable device, the raw material gas tank, the first compressor, cold including passing sequentially through pipeline connection
But device, separator, heat exchanger, destilling tower and cryogenic vacuum storage tank, on the pipeline of connection raw material gas tank and the first compressor
It is installed with gas flow sensor, which further includes liquid ammonia storage tank, and the outlet of the liquid ammonia storage tank is by going out ammonia pipeline
The import of the evaporator on destilling tower top is connected, the outlet of the evaporator is connected with back ammonia pipeline, and described time ammonia pipeline passes through
After heat exchanger connect liquid ammonia storage tank import, it is described go out ammonia pipeline on along liquefied ammonia circulation direction be successively installed with flow tune
Electrically-controlled valve and frequency conversion liquid pump are saved, is installed with the second compressor on described time ammonia pipeline, which further includes master controller, institute
It states flow adjusting electrically-controlled valve and frequency conversion liquid pump is all connected with and is controlled by master controller, the gas flow sensor and master controller
Sampling end connection.
Preferably：The flow adjusts electrically-controlled valve using electromagnetic valve of flow control.
Preferably：The master controller includes PLC controller and the frequency converter that is electrically connected, the frequency conversion liquid
Pump connects and is controlled by frequency converter, the sampling end of the gas flow sensor connection PLC controller, and the flow adjusts electromagnetism
The control terminal of valve connection PLC controller.
Preferably：The gas flow sensor connects the sampling end of PLC controller by transmitter.
Preferably：Described a first compressor and a second compressor is screw compressor.
Preferably：The heat exchanger is metal plate fin type heat exchanger.
Compared with prior art, the utility model has the advantages that：During the recyclable device is run, gas flow sensing
Flow information is simultaneously fed back to master controller by the flow of the gas of device real-time detection raw material gas tank outflow, and master controller is according to gas
Changes in flow rate control the revolving speed of frequency conversion liquid pump, and the flow that flow adjusts electrically-controlled valve is controlled, to adjust the conveying of liquefied ammonia
Amount keeps the utilization of liquefied ammonia more reasonable, reduces in liquefied ammonia external environment so that the conveying capacity of liquefied ammonia and the flow of gas be made to match
The absorption of heat reduce the energy of carbon dioxide recovering apparatus so that the electric energy of subsequent re-liquefied ammonia consumption be effectively reduced
Consumption.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of recyclable device；
Fig. 2 is circuit diagram.
Description of symbols:1, raw material gas tank；2, gas flow sensor；3, the first compressor；4, cooler；5, divide
From device；6, heat exchanger；7, destilling tower；8, evaporator；9, cryogenic vacuum storage tank；10, frequency conversion liquid pump；11, flow is adjusted automatically controlled
Valve；12, liquid ammonia storage tank；13, the second compressor.
Specific embodiment
Referring to Fig.1, a kind of co 2 liquefaction recyclable device, successively by raw material gas tank 1, the first compressor 3, cooler 4,
Separator 5, heat exchanger 6, destilling tower 7 and cryogenic vacuum storage tank 9 are formed by connecting by pipeline.
It is installed with gas flow sensor 2 on the pipeline of connection raw material gas tank 1 and the first compressor 3, the recyclable device
It further include liquid ammonia storage tank 12, the import that the outlet of liquid ammonia storage tank 12 connects the evaporator 8 on 7 top of destilling tower by going out ammonia pipeline,
The outlet of evaporator 8 is connected with back ammonia pipeline, returns the import that ammonia pipeline connects liquid ammonia storage tank 12 after over-heat-exchanger 6, is going out
Flow is successively installed with along the direction that liquefied ammonia circulates on ammonia pipeline and adjusts electrically-controlled valve 11 and frequency conversion liquid pump 10, on returning ammonia pipeline
It is installed with the second compressor 13.
Referring to Fig. 2, which further includes master controller, and flow adjusts electrically-controlled valve 11 and frequency conversion liquid pump 10 is all connected with simultaneously
It is controlled by master controller, gas flow sensor 2 is connect with the sampling end of master controller.
The working principle of the recyclable device is：
Unstrpped gas is flowed out from raw material gas tank 1, and carbon dioxide gas successively passes through the first compressor 3, cooler 4 and first
Compressor 3, thus by compression, cooling, recompress, be segregated into 6 one wing passage of heat exchanger, the carbon dioxide through overcompression,
Pressure reaches 2Mpa, and the carbon dioxide gas of high pressure subsequently enters in destilling tower 7, and frequency conversion liquid pump 10 will be in liquid ammonia storage tank 12
Liquefied ammonia is sent out, and liquefied ammonia passes through the evaporator 8 on 7 top of destilling tower, and liquefied ammonia evaporation absorbs amount of heat, enters back into heat exchanger 6
Another wing passage, by the carbon dioxide gas cooling liquid after compression separation, the carbon dioxide after liquefaction enters the progress of destilling tower 7
Separation, becomes high purity liquid carbon dioxide storage in cryogenic vacuum storage tank 9, to realize the liquefaction recycling of carbon dioxide.
Ammonia, liquefied ammonia mixture after absorbing heat then pass through the second compressor 13, and the high pressure of the second compressor 13 makes
Obtain ammonia becomes liquefied ammonia again, in this way, flow back into liquid ammonia storage tank 12 is just entirely liquefied ammonia.
During recyclable device operation, the stream of the gas of 2 real-time detection raw material gas tank 1 of gas flow sensor outflow
It measures and flow information is fed back into master controller, master controller controls turning for frequency conversion liquid pump 10 according to the changes in flow rate of gas
Speed, and the flow that flow adjusts electrically-controlled valve 11 is controlled, so that the conveying capacity of liquefied ammonia is adjusted, to make the conveying capacity and gas of liquefied ammonia
Flow match, make liquefied ammonia utilization it is more reasonable, reduce liquefied ammonia external environment in heat absorption, thus after being effectively reduced
The electric energy for continuing re-liquefied ammonia consumption, reduces the energy consumption of carbon dioxide recovering apparatus.
In the present embodiment, flow adjusts electrically-controlled valve 11 using electromagnetic valve of flow control, and master controller includes PLC control
Device and the frequency converter being electrically connected, frequency conversion liquid pump 10 connect and are controlled by frequency converter, and gas flow sensor 2 passes through transmitter
The sampling end of PLC controller is connected, electromagnetic valve of flow control connects the control terminal of PLC controller.
In the present embodiment, the first compressor 3 and the second compressor 13 are screw compressor, and heat exchanger 6 is metal plate
Fin type heat exchanger 6.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (6)
1. a kind of co 2 liquefaction recyclable device, raw material gas tank, the first compressor, cooling including passing sequentially through pipeline connection
Device, separator, heat exchanger, destilling tower and cryogenic vacuum storage tank, it is characterized in that：In connection raw material gas tank and first compressor
Gas flow sensor is installed on pipeline, which further includes liquid ammonia storage tank, and the outlet of the liquid ammonia storage tank is by going out
Ammonia pipeline connects the import of the evaporator on destilling tower top, and the outlet of the evaporator is connected with back ammonia pipeline, described time ammonia pipe
Road connects the import of liquid ammonia storage tank after over-heat-exchanger, is successively installed on the ammonia pipeline out along the direction of liquefied ammonia circulation
Flow adjusts electrically-controlled valve and frequency conversion liquid pump, is installed with the second compressor on described time ammonia pipeline, which further includes master control
Device processed, the flow adjusts electrically-controlled valve and frequency conversion liquid pump is all connected with and is controlled by master controller, the gas flow sensor with
The sampling end of master controller connects.
2. co 2 liquefaction recyclable device according to claim 1, it is characterized in that：The flow adjusts electrically-controlled valve and uses
Be electromagnetic valve of flow control.
3. co 2 liquefaction recyclable device according to claim 2, it is characterized in that：The master controller includes PLC control
Device processed and the frequency converter being electrically connected, the frequency conversion liquid pump connect and are controlled by frequency converter, and the gas flow sensor connects
Connect the sampling end of PLC controller, the control terminal of the electromagnetic valve of flow control connection PLC controller.
4. co 2 liquefaction recyclable device according to claim 3, it is characterized in that：The gas flow sensor passes through
The sampling end of transmitter connection PLC controller.
5. co 2 liquefaction recyclable device according to claim 1, it is characterized in that：First compressor and the second pressure
Contracting machine is screw compressor.
6. co 2 liquefaction recyclable device according to claim 1, it is characterized in that：The heat exchanger is metal plate fin type heat
Exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820491382.6U CN208170858U (en) | 2018-04-09 | 2018-04-09 | Co 2 liquefaction recyclable device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820491382.6U CN208170858U (en) | 2018-04-09 | 2018-04-09 | Co 2 liquefaction recyclable device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208170858U true CN208170858U (en) | 2018-11-30 |
Family
ID=64373880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820491382.6U Expired - Fee Related CN208170858U (en) | 2018-04-09 | 2018-04-09 | Co 2 liquefaction recyclable device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208170858U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110296576A (en) * | 2019-06-13 | 2019-10-01 | 天津大学 | A kind of industrial smoke collecting carbonic anhydride and waste heat recycle integrated system |
| CN111322829A (en) * | 2020-03-05 | 2020-06-23 | 惠州市华达通石化有限公司 | Novel carbon dioxide liquefaction device and preparation method |
-
2018
- 2018-04-09 CN CN201820491382.6U patent/CN208170858U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110296576A (en) * | 2019-06-13 | 2019-10-01 | 天津大学 | A kind of industrial smoke collecting carbonic anhydride and waste heat recycle integrated system |
| CN111322829A (en) * | 2020-03-05 | 2020-06-23 | 惠州市华达通石化有限公司 | Novel carbon dioxide liquefaction device and preparation method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181130 Termination date: 20210409 |