CN207856372U - A kind of CO2 exhaust gas recovery systems - Google Patents
A kind of CO2 exhaust gas recovery systems Download PDFInfo
- Publication number
- CN207856372U CN207856372U CN201820009984.3U CN201820009984U CN207856372U CN 207856372 U CN207856372 U CN 207856372U CN 201820009984 U CN201820009984 U CN 201820009984U CN 207856372 U CN207856372 U CN 207856372U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- supercritical extraction
- buffer tank
- intermediate buffer
- extraction reactor
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
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- Treating Waste Gases (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model is related to a kind of CO2 exhaust gas recovery systems, including supercritical extraction reactor one and supercritical extraction reactor two, intermediate buffer tank is equipped between two supercritical extraction reactors, the supercritical extraction reactor one is equipped with emptying pipeline, the emptying pipeline is equipped with 2 road branch pipes, guide vacuum tank and intermediate buffer tank into respectively, emptying branch and the branch for guiding vacuum tank and intermediate buffer tank into are respectively arranged with valve, it can be achieved that independent operate respectively；It is equipped with pipeline one between the supercritical extraction reactor one and intermediate buffer tank, pipeline two is equipped between supercritical extraction reactor two and intermediate buffer tank.The utility model design is simple, reasonable, takes full advantage of pressure difference existing for system and is recycled to CO2, reduces recycling power consumption, and the presence of intermediate buffer tank, be greatly reduced the presence of high compression ratio situation, improve the capacity usage ratio of compressor.Realize efficient, the abundant recycling of CO2 gases.
Description
Technical field
The utility model is related to a kind of CO2 exhaust gas recovery systems, belong to CO2 recovery technologies field.
Background technology
Aeroge is as a kind of novel thermal insulation material, with thermal coefficient is low, density is small, environmentally safe, stable
The advantages that property is good, application field constantly extends.But aeroge needs to be applied to supercritical extract, spe medium in process of production
It is typically chosen in CO2, at present for the CO2 after the completion of extraction without effective recovery method, mostly direct emission, not only to environment
It impacts, and also results in certain physical waste.A kind of improved method is shown in Chinese patent CN201220302622.6,
The CO2 after the completion of supercritical extract is recycled using compressor, but this method includes repeatedly that decompression, pressure process, energy expenditure are tight
Weight, it is less economical.
Utility model content
The purpose of this utility model is that：For the deficiency of CO2 recovery methods after supercritical extract, a kind of high efficiency is proposed
CO2 exhaust gas recovery systems.
Technical solution used by the utility model is：A kind of CO2 exhaust gas recovery systems, including one He of supercritical extraction reactor
Supercritical extraction reactor two, intermediate buffer tank is equipped between two supercritical extraction reactors, and the supercritical extraction reactor one is equipped with row
Blank pipe road, the emptying pipeline are equipped with 2 road branch pipes, guide vacuum tank and intermediate buffer tank into respectively, empty branch and guide into steady
The branch of pressure tank and intermediate buffer tank is respectively arranged with valve, it can be achieved that independent operate respectively；The supercritical extraction reactor one is in
Between pipeline one is equipped between surge tank, pipeline two is equipped between supercritical extraction reactor two and intermediate buffer tank.
In the present invention：It is in parallel equipped with pipeline three between the supercritical extraction reactor one and intermediate buffer tank, it is described
Pipeline three be equipped with compressor, the outlet of the compressor is equipped with check valve, to prevent compressor operating state from turning
The gas impact of pressure duct when changing.
In the present invention：It is in parallel equipped with pipeline four between the supercritical extraction reactor two and intermediate buffer tank, it is described
Pipeline four-way overcompression machine, the outlet of the compressor is equipped with check valve, to prevent compressor operating state from converting
When pressure duct gas impact.
In the present invention：The compressor ensures the continuous service of compressor by Frequency Converter Control, avoids frequency
Power consumption and system are unstable caused by numerous start and stop.
In the present invention：It is equipped with corresponding valve on the pipeline one, pipeline two, pipeline three and pipeline four.
When extraction kettle quantity is more, intermediate buffering can be delivered to by extraction kettle according to by CO2 gases on compressor pipeline
Tank and the requirement that extraction kettle is delivered to by intermediate buffer tank are separated into 2 groups of compressors, are required with meeting operation.
After adopting the above technical scheme, the beneficial effects of the utility model are：The utility model design is simple, reasonable, fills
Point pressure difference existing for system is utilized recycles CO2, reduces recycling power consumption, and the presence of intermediate buffer tank,
The presence for greatly reducing high compression ratio situation improves the capacity usage ratio of compressor.Realize CO2 gases it is efficient, fill
Divide recycling.
Description of the drawings
Fig. 1 is the schematic diagram of the utility model；
Fig. 2-8 is the schematic device that different valves are opened in the utility model.
Specific implementation mode
The utility model is further described below in conjunction with attached drawing.
As seen from Figure 1, wherein E-1,3 are supercritical extraction reactor one and supercritical extraction reactor two, and E-2 is intermediate buffer tank,
E-4 is compressor, and V-1 to V-15 is valve, and D-1,2 are check valve, and 1-4 is pipeline one respectively to pipeline four.A kind of CO2 tail gas
Recovery system, including two E-3 of one E-1 of supercritical extraction reactor and supercritical extraction reactor are equipped with centre between two supercritical extraction reactors
Surge tank E-2, one E-1 of supercritical extraction reactor are equipped with emptying pipeline, and the emptying pipeline is equipped with 2 road branch pipes, point
It does not guide vacuum tank and intermediate buffer tank E-2 into, emptying branch and guides vacuum tank into and the branch of intermediate buffer tank E-2 is respectively arranged with valve
Door is V-2, V-1 and V-3, it can be achieved that independent operate respectively；E- between one E-1 of supercritical extraction reactor and intermediate buffer tank
2 are equipped with pipeline 1, and the pipeline 1 is equipped with valve V-4, between supercritical extraction reactor two E-3 and intermediate buffer tank E-2
Equipped with pipeline 22, the pipeline 22 is equipped with valve V-8, V-9.
In parallel between the supercritical extraction reactor one E-1 and intermediate buffer tank E-2 to be equipped with pipeline 33, pipeline 33 is equipped with
Valve V-5, V-6, outlet of the pipeline 33 equipped with compressor E-4, the compressor E-4 are equipped with check valve D-
1, the gas impact of pressure duct when preventing compressor operating state from converting.Two E-3 of the supercritical extraction reactor and centre
In parallel between surge tank E-2 to be equipped with pipeline 44, pipeline 44 is equipped with valve V-9, V-10, V-11, and the pipeline 44 passes through pressure
The outlet of contracting machine E-4, the compressor E-4 are equipped with check valve D-2, high pressure when preventing compressor operating state from converting
The gas of pipeline impacts.The compressor E-4 ensures the continuous service of compressor by Frequency Converter Control, avoids frequently opening
Power consumption caused by stopping and system are unstable.
When it is implemented, as shown in Fig. 2, after supercritical extraction reactor one E-1 extractions, valve V-1, valve are first turned on
V-2,3 are closed, and gas in one E-1 of supercritical extraction reactor is recycled to steady pressure of system tank.As shown in figure 3, waiting for that pressure is in a basic balance
Afterwards, valve V-1 is closed, residual gas in one E-1 of supercritical extraction reactor is recycled to intermediate buffer tank E- by Open valve V-3,4
2。
As shown in figure 4, after pressure is in a basic balance, valve V-4 is closed, Open valve V-5,6 switch to compressor circuit i.e.
Pipeline 33.
As shown in figure 5, being recycled to pressure in one E-1 of supercritical extraction reactor using compressor E-4 drops to designated value, close
Valve V-3,5,6, Open valve V-7, arrange according to the process time, and compressor E-4 switches to idle running or shutdown.
As shown in fig. 6, when two E-3 of supercritical extraction reactor starts extraction, valve V-8,9 are first turned on, by intermediate buffering
Gas is delivered to two E-3 of supercritical extraction reactor in tank E-2.
As shown in fig. 7, after pressure is in a basic balance, valve V-8 is closed, closes valve V-7, Open valve V-10,11 utilize
Gas in intermediate buffer tank E-2 is delivered to two E-3 of supercritical extraction reactor by compressor.
As shown in figure 8, after pressure drops to designated value in intermediate buffer tank E-2, valve V-9,10,11, opening valve are closed
Door V-7, arranges, compressor E-4 switches to idle running or shutdown according to the process time.
By the operation of above system, not only ensure that the continuous and steady operation of extracting system, and realize low energy consumption,
A high proportion of CO2 recycling.
Specific embodiment of the present utility model is described above, but the utility model is not limited to above retouch
It states.For a person skilled in the art, any equal modification and replacement to the utility model is all in the utility model
Range among.Therefore, under the spirit and scope for not departing from the utility model made by impartial conversion and modification, should all cover
In the scope of the utility model.
Claims (5)
1. a kind of CO2 exhaust gas recovery systems, it is characterised in that：Including supercritical extraction reactor one and supercritical extraction reactor two, two surpass
Intermediate buffer tank is equipped between critical extraction kettle, the supercritical extraction reactor one is equipped with emptying pipeline, the evacuated tube
Road is equipped with 2 road branch pipes, guides vacuum tank and intermediate buffer tank, emptying branch and the branch for guiding vacuum tank and intermediate buffer tank into respectively
Road is respectively arranged with valve, it can be achieved that independent operate respectively；Pipeline is equipped between the supercritical extraction reactor one and intermediate buffer tank
One, pipeline two is equipped between supercritical extraction reactor two and intermediate buffer tank.
2. a kind of CO2 exhaust gas recovery systems according to claim 1, it is characterised in that：One He of the supercritical extraction reactor
In parallel between intermediate buffer tank to be equipped with pipeline three, the pipeline three is equipped with compressor, and the outlet of the compressor fills
There is check valve, the gas impact of pressure duct when preventing compressor operating state from converting.
3. a kind of CO2 exhaust gas recovery systems according to claim 2, it is characterised in that：Two He of the supercritical extraction reactor
Parallel connection is equipped with pipeline four, the pipeline four-way overcompression machine between intermediate buffer tank, and the outlet of the compressor is equipped with
Check valve, the gas impact of pressure duct when preventing compressor operating state from converting.
4. a kind of CO2 exhaust gas recovery systems according to claim 2 or 3, it is characterised in that：The compressor passes through change
Frequency device controls, and ensures the continuous service of compressor, power consumption and system are unstable caused by avoiding frequent start-stop.
5. a kind of CO2 exhaust gas recovery systems according to claim 4, it is characterised in that：The pipeline one, pipeline two, pipe
It is equipped with corresponding valve on line three and pipeline four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820009984.3U CN207856372U (en) | 2018-01-04 | 2018-01-04 | A kind of CO2 exhaust gas recovery systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820009984.3U CN207856372U (en) | 2018-01-04 | 2018-01-04 | A kind of CO2 exhaust gas recovery systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207856372U true CN207856372U (en) | 2018-09-14 |
Family
ID=63464686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820009984.3U Expired - Fee Related CN207856372U (en) | 2018-01-04 | 2018-01-04 | A kind of CO2 exhaust gas recovery systems |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207856372U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110624321A (en) * | 2019-10-28 | 2019-12-31 | 苏州朗道节能技术有限公司 | A preceding processing apparatus for waste gas recovery purifies |
-
2018
- 2018-01-04 CN CN201820009984.3U patent/CN207856372U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110624321A (en) * | 2019-10-28 | 2019-12-31 | 苏州朗道节能技术有限公司 | A preceding processing apparatus for waste gas recovery purifies |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180914 Termination date: 20210104 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |