CN207351968U - A kind of membrane separation device for separating organic gas - Google Patents
A kind of membrane separation device for separating organic gas Download PDFInfo
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- CN207351968U CN207351968U CN201721397041.4U CN201721397041U CN207351968U CN 207351968 U CN207351968 U CN 207351968U CN 201721397041 U CN201721397041 U CN 201721397041U CN 207351968 U CN207351968 U CN 207351968U
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Abstract
The utility model discloses a kind of membrane separation device for separating organic gas,Including gas holder,Gas holder is connected with filter in turn,Compressor,Condenser,Liquid separation tank,Liquid separation tank is connected with condensable gas returnable bottle and membrane separator,The per-meate side of membrane separator is connected with cold hydrazine in turn,Vacuum pump,Gas recovery device,The air inlet side of membrane separator is connected with mixing chamber in turn,Spinner flowmeter,Mixing chamber is also connected with gas chromatograph in turn,Work station,The first pneumatic operated valve is also disposed between liquid separation tank and membrane separator,First lightly-damped gauge,The second lightly-damped gauge is additionally provided between membrane separator and cold hydrazine,The second pneumatic operated valve is provided between membrane separator and mixing chamber,First lightly-damped gauge,Second lightly-damped gauge is connected to first pressure sensor,Second pressure sensor,First pressure sensor,Second pressure sensor,First pneumatic operated valve,Second pneumatic operated valve is electrically connected with work station.Separating effect can be detected in real time.
Description
Technical field
The utility model belongs to membrane separation device technical field, is related to a kind of membrane separation device for separating organic gas.
Background technology
UF membrane is that occur in early 20th century, and the separation technology to emerge rapidly after the 1960s, refers to
The mixture of different-grain diameter molecule realizes the technology of Selective Separation when passing through pellicle on molecular level.Membrane separation technique
Due to having separation, concentration, purifying and refined function concurrently, and there are efficient, energy-saving and environmental protection, molecular level filtering and filter process letter
The feature such as single, easily controllable, therefore, is widely used to food, medicine, biology, environmental protection, chemical industry, metallurgy, the energy, oil, water
The field such as processing, electronics, bionical, generates huge economic benefit and social benefit, it has also become most heavy in current separation science
One of means wanted.Continuous research and development membrane separation technique (including membrane material, membrane module and optimization, membrane technology etc.) into
The hot spot competed for countries in the world in high-technology field.So-called gaseous jet simulation refers in the effect that pressure differential is motive force
Under, using each component in admixture of gas in gas separation membrane the difference of infiltration rate and make the separated process of each component.Gas
It is crucial that membrane material in body membrane separating process.Preferable gas separation membrane material should have good separation property at the same time
Energy, excellent thermally and chemically stability, higher mechanical strength.Common gas separation film can be divided into Porous and non-porous
Two class of matter (homogeneous membrane), they can be made of inorganic matter and high-molecular organic material.Gas separation membrane because its energy consumption is low, without
Phase transformation is extensive at present the advantages that being driven separation by pressure difference, be adapted to the mixed gas separate absorbent for carrying air pressure
Recycled applied to hydrogen, the field such as air separation and organic vapor recycling.Advanced membrane separation technique constantly faces more and more
Challenge, be related to tightened up product quality requirement, energy efficiency demand, reduces the demand and environmental demand of cost.From this
From the point of view of angle, UF membrane distills, adsorbs, filtering, the hybrid mode such as crystallization combines, and is to develop skill performance and to meet
A kind of very effective method required.Household electrical appliance industry development in China's was rapid in recent years, wide in variety, and yield is big.
Chinese automobile volume of production and marketing in 2010, more than 17,000,000, the U.S., it is qualified in history to become auto industry up to 18,000,000
The whole world first.The development of China's household electrical appliance industry and auto industry be unable to do without the process of plasticization of Automobile.Polypropylene is as one
The high performance polymeric material of kind is widely used in automobile, household electrical appliance, tubing, the high field such as material, film thoroughly.In recent years, permitted
Conglomerate also constantly lifts polyacrylic demand.However, in polyacrylic production process, a large amount of rows can be produced
Deflation body, especially in gas-phase polymerization polypropylene production technology, gas emissions bigger, generally contains nitrogen in these gases
The components such as gas, hydrogen, propylene, propane, if this strand of gas cannot obtain efficiently separating recycling, but are simply drained into
Discharged after flare system burning, not only increase raw material monomer consumption and energy consumption, also add the CO to environmental emission2
Amount, therefore, it is necessary to which the active principle in discharge gas is separated and recycled by more preferable approach.It is existing
For organic gas separator there are low separation efficiency, separating effect is unstable, and separator moves that equipment is more, and the rate of recovery is low, separation
The problem of device operation difficulty is big, and maintenance cost is high.
Utility model content
The purpose of this utility model is to provide a kind of membrane separation device for separating organic gas, separating effect can be carried out real
When detect.
The utility model is the technical scheme adopted is that a kind of membrane separation device for separating organic gas, including gas holder, gas
Cabinet is connected with filter, compressor, condenser, liquid separation tank in turn, and liquid separation tank is connected with condensable gas returnable bottle and membrane separator,
The per-meate side of membrane separator is connected with cold hydrazine, vacuum pump, gas recovery device in turn, and the air inlet side of membrane separator is connected with mixing
Room, mixing chamber are connected with spinner flowmeter, and mixing chamber is also associated with gas chromatograph, and gas chromatograph is electrically connected with work station,
The first pneumatic operated valve, the first lightly-damped gauge are also disposed between liquid separation tank and membrane separator, between membrane separator and cold hydrazine
The second lightly-damped gauge is additionally provided with, the second pneumatic operated valve, the first lightly-damped gauge, are provided between membrane separator and mixing chamber
Two lightly-damped gauges are connected to first pressure sensor, second pressure sensor, and first pressure sensor, second pressure pass
Sensor, the first pneumatic operated valve, the second pneumatic operated valve are electrically connected with work station.
The utility model is also characterized by the first regulating valve is provided with before the first pneumatic operated valve, the second sensitive pressure
The second regulating valve is provided between table and cold hydrazine, is provided with the 3rd regulating valve between vacuum pump and gas recovery device, mixing chamber with
The 4th regulating valve is additionally provided between second pneumatic operated valve.
Also turned between vacuum pump and the 3rd regulating valve by pipeline between the first pneumatic operated valve and the first regulating valve, pipeline
On be provided with the 5th regulating valve.
Spinner flowmeter and atmosphere.
Gas chromatograph includes the GC sampling valves that be connecteds with mixing chamber, GC sampling valves one side be connected with turn chromatographic column,
Thermal conductivity detector (TCD), is on the other hand connected with carrier gas flux control system, pressure regulator, carrier gas bottle, thermal conductivity detector (TCD) electricity in turn
Connect work station.
The beneficial effects of the utility model are a kind of membrane separation devices of separation organic gas of the utility model, are used
Filtering, condensation separate organic gas with the mode that UF membrane is combined, the slow permeability target components that can postpone (matrix)
Middle removal rapid osmotic foreign gas, separative efficiency is high, is detected in real time using work station, and safety coefficient is high.Using UF membrane
System reduces the quantity of dynamic equipment, increases economic benefit.Reduce energy consumption, reduce three waste discharge, realize that clean environment firendly is given birth to
Production, increases social benefit, has extraordinary practical value.And the utility model can on-line checking (separating effect can be real-time
Detection), separative efficiency is high, and dynamic equipment is few, and maintenance and repair expense is low, and separating effect is stablized.
Brief description of the drawings
Fig. 1 is a kind of structure diagram for the membrane separation device for separating organic gas of the utility model.
In figure, 1. gas holders, 2. filters, 3. compressors, 4. condensers, 5. liquid separation tanks, 6. condensable gas returnable bottles, 7.
One regulating valve, 8. first pneumatic operated valves, 9. first lightly-damped gauges, 10. membrane separators, 11. second lightly-damped gauges, 12. second
Regulating valve, 13. the 5th regulating valves, 14. first pressure sensors, 15. second pressure sensors, 16. cold hydrazines, 17. vacuum pumps,
18. the 3rd regulating valve, 19. gas recovery devices, 20. second pneumatic operated valves, 21. the 4th regulating valves, 22. mixing chambers, 23.GC samplings
Valve, 24. chromatographic columns, 25. thermal conductivity detector (TCD)s, 26. carrier gas bottles, 27. pressure regulators, 28. carrier gas flux control systems, 29. gas
Chromatography, 30. spinner flowmeters, 31. work stations.
Embodiment
The utility model is described in detail with reference to the accompanying drawings and detailed description.
A kind of membrane separation device for separating organic gas disclosed in the utility model, as shown in Figure 1, including gas holder 1, gas holder
1 is connected with filter 2, compressor 3, condenser 4, liquid separation tank 5 in turn, and liquid separation tank 5 is connected with condensable gas returnable bottle 6 and film point
From device 10, the per-meate side of membrane separator 10 is connected with cold hydrazine 16, vacuum pump 17, gas recovery device 19 in turn, membrane separator 10
Air inlet side is connected with mixing chamber 22, and mixing chamber 22 is connected with spinner flowmeter 30, and mixing chamber 22 is also associated with gas chromatograph 29,
Gas chromatograph 29 is electrically connected with work station 31, be also disposed between liquid separation tank 5 and membrane separator 10 first pneumatic operated valve 8,
First lightly-damped gauge 9, is additionally provided with the second lightly-damped gauge 11, membrane separator 10 is with mixing between membrane separator 10 and cold hydrazine 16
Conjunction is provided with the second pneumatic operated valve 20 between room 22, and the first lightly-damped gauge 9, the second lightly-damped gauge 11 are connected to the first pressure
Force snesor 14, second pressure sensor 15, first pressure sensor 14, second pressure sensor 15, the first pneumatic operated valve 8,
Two pneumatic operated valves 20 are electrically connected with work station 31.
The utility model is also characterized by the first regulating valve 7 is provided with before the first pneumatic operated valve 8, the second sensitive pressure
The second regulating valve 12 is provided between power table 11 and cold hydrazine 16, the 3rd adjusting is provided between vacuum pump 17 and gas recovery device 19
Valve 18, is additionally provided with the 4th regulating valve 21 between 22 and second pneumatic operated valve 20 of mixing chamber.
Between 17 and the 3rd regulating valve 18 of vacuum pump also by pipeline turn on the first pneumatic operated valve 8 and the first regulating valve 7 it
Between, the 5th regulating valve 13 is provided with pipeline.
Spinner flowmeter 30 and atmosphere.
Gas chromatograph 29 includes the GC sampling valves 23 being connected with mixing chamber 22, on the one hand GC sampling valves are sequentially connected coloured
Column 24, thermal conductivity detector (TCD) 25 are composed, is on the other hand connected with carrier gas flux control system 28, pressure regulator 27, carrier gas bottle in turn
26, thermal conductivity detector (TCD) 25 is electrically connected work station 31.
A kind of operation principle of the membrane separation device of separation organic gas of the utility model is：Carry out the mixing of gas gas holder 1
Gas is connected with compressor 3, condenser 4 successively after filter 2, then by liquid separation tank 5, at this time, after condensated gas condensation
Into condensable gas returnable bottle 6, fixed gas reaches film after the first regulating valve 7, the first pneumatic operated valve 8, the first lightly-damped gauge 9
Separator 10,10 per-meate side of membrane separator pass sequentially through the second lightly-damped gauge 11, the second regulating valve 12, cold hydrazine 16 and vacuum pump
17 connect, and the 3rd regulating valve 18, gas recovery device 19 are connected with after vacuum pump 17.10 air inlet side of membrane separator successively with the second gas
Dynamic valve 20, the 4th regulating valve 21, mixing chamber 22 connect, flow through the gas of mixing chamber 22 on the one hand by spinner flowmeter 30 with it is big
Gas connects, and on the one hand the general of chromatographic column 24 is brought in the carrier gas of the self-contained airflow volume control system 28 of origin into after the sampling of GC sampling valves 23
Mixture separates, and then reaches thermal conductivity detector (TCD) 25 and detects separated component out successively, at the same time, in carrier gas bottle 26
Carrier gas reaches 28 latter aspect of carrier gas flux control system by pressure regulator 27 and is connected with thermal conductivity detector (TCD) 25, on the other hand
Connected with GC sampling valves 23.First pressure sensor is connected on first lightly-damped gauge 9, the second lightly-damped gauge 11
14th, second pressure sensor 15, wherein first pressure sensor 14,15 and first pneumatic operated valve 8 of second pressure sensor, the second gas
Dynamic valve 20 is connected the transmission for carrying out signal with work station 31.
Specific work process is as follows：
Leak detection before vacuumizing and testing：
Membrane material is fitted into membrane separator 10, the first regulating valve the 7, the 3rd is first shut off after being encapsulated with seal washer
Regulating valve 18, the second pneumatic operated valve 20, open the first pneumatic operated valve 8, the second regulating valve 12, the 5th regulating valve 13, open vacuum afterwards
Pump 17, observe work station 31 on the first lightly-damped gauge 9, the pressure change of the second lightly-damped gauge 11, when pressure is negative according to
The second regulating valve 12 of secondary closing, the 5th regulating valve 13, vacuum pump 17.Then the first regulating valve 7, gas holder 1, compressor are opened successively
3rd, condenser 4, observe the first lightly-damped gauge 9, the pressure change of the second lightly-damped gauge 11 on work station 31, pressure is just
Shi Yici closes gas holder 1, compressor 3, condenser 4, the first regulating valve 7.Vacuum pump 17, the second regulating valve are finally opened successively
12nd, the 5th regulating valve 13, the second regulating valve the 12, the 5th is closed when the pressure value of vacuum meter on work station is again negative successively
Regulating valve 13, vacuum pump 17.Keep this state 1h, observation lightly-damped gauge change, if overall without significant change, experimental provision
Air-tightness is good.
Experimentation：
Opened successively in the case that air-tightness is good after above-mentioned leak detection gas holder 1, compressor 3, condenser 4, vacuum pump 17,
First is adjusted after first regulating valve 7, the second regulating valve 12, the 3rd regulating valve 18, the 4th regulating valve 21, the second pneumatic operated valve 20 to adjust
Valve 7, the second regulating valve 12, the 4th regulating valve 21, when the flow of spinner flowmeter 30 is in steady state, open carrier gas bottle
26, changing pressure regulator 27 makes the flow of carrier gas flux control system 28 meet requirement of experiment, at this time, can be right in work station 31
The separation situation of mixed gas carries out qualitative and quantitative analysis.
A kind of membrane separation device of separation organic gas of the utility model, separates mixing organic gas, mixed gas
Component have hydrogen, nitrogen, alkene and dust.
When later stage UF membrane replaces gas, both sides are vacuumized to arrange the vacuum pump 17 of the utility model at the same time above and below film
Except envelope adsorbs (inoranic membrane) or dissolves the gas of (organic film), fouling membrane is effectively reduced, multiple gases is saved and cuts
The transit time changed, ensure that the accuracy of experiment；Filter 2 is set before compressor 3, can effectively be removed in mixed gas
The impurity such as dust；Cold hydrazine 16 is equipped with before vacuum pump 17, vacuum is maintained, extends the service life of vacuum pump；After compressor 3
Equipped with condenser 4, after condenser 4 is by depth refrigerated separation, mixed gas temperature can be down to less than about -30 DEG C, major part
The condensable gas such as propylene be cooled recycling, it is nitrogen, hydrogen and saturation propylene to be unable to main composition in the gas of cooling
Steam, can efficiently separate condensable gas.
The gaseous jet simulation device of the utility model is equipped with work station, work station and sensitive recorder, display and printing
Machine connection carries out data record and output, and work station is connected with pneumatic operated valve, pressure sensor, gas chromatograph respectively in addition, real
Showed on-line checking, i.e. real-time detection gas infiltration situation, with the sample rate record infiltration change of 10ms, every time test repeat to
3 times few, the testing time is up to 24h, to ensure the reappearance of the stable state of test result and rational infiltration rate.
The pneumatic operated valve sealing effect of the utility model is good, has fabulous sensitivity, sensing speed and superpower shearing energy
Power.Pneumatic operated valve is installed on the taking-up be detained on line and on the one hand carry out purified product.On the other hand work as and the tight of such as film rupture occurs
During anxious situation, phreatic line is automatically cut off to protect piece-rate system, ensure that the security of separating experiment.Compressor can play increasing
The effect of pressure；Mixing chamber can be mixed gas to press.
The film separation system of the utility model does not move equipment, formed by compressor and vacuum pump in film both sides pressure difference come
Realize optimal separation effect, reduce maintenance and repair expense.The driving force that vacuum pump provides higher in per-meate side is stronger to carry out
Energy transmission, so as to fulfill rapid osmotic foreign gas is removed in slow permeability target components (matrix) of postponing.During experiment,
Under constant feed pressure and vacuum pressure, spinner flowmeter should be controlled is tested under the situation of stable flow；
The mixed gas of the utility model separates in the chromatography column, and obtains the detection letter of each component by thermal conductivity detector (TCD)
Number.
Claims (5)
1. a kind of membrane separation device for separating organic gas, it is characterised in that including gas holder (1), the gas holder (1) is sequentially connected
There are filter (2), compressor (3), condenser (4), liquid separation tank (5), the liquid separation tank (5) is connected with condensable gas returnable bottle
(6) and membrane separator (10), the per-meate side of the membrane separator (10) are connected with cold hydrazine (16), vacuum pump (17), gas in turn
Recover (19), the air inlet side of the membrane separator (10) are connected with mixing chamber (22), and the mixing chamber (22) is connected with rotor
Flowmeter (30), the mixing chamber (22) are also associated with gas chromatograph (29), and the gas chromatograph (29) is electrically connected with work
Stand (31), the first pneumatic operated valve (8), the first sensitive pressure are also disposed between the liquid separation tank (5) and membrane separator (10)
Power table (9), the second lightly-damped gauge (11), the membrane separator are additionally provided between the membrane separator (10) and cold hydrazine (16)
(10) the second pneumatic operated valve (20), first lightly-damped gauge (9), the second lightly-damped gauge are provided between mixing chamber (22)
(11) first pressure sensor (14), second pressure sensor (15), the first pressure sensor (14), are connected to
Two pressure sensors (15), the first pneumatic operated valve (8), the second pneumatic operated valve (20) are electrically connected with the work station (31).
2. a kind of membrane separation device for separating organic gas according to claim 1, it is characterised in that described first is pneumatic
The first regulating valve (7) is provided with before valve (8), the second tune is provided between second lightly-damped gauge (11) and cold hydrazine (16)
Valve (12) is saved, the 3rd regulating valve (18), the mixing chamber are provided between the vacuum pump (17) and gas recovery device (19)
(22) the 4th regulating valve (21) is additionally provided between the second pneumatic operated valve (20).
A kind of 3. membrane separation device for separating organic gas according to claim 2, it is characterised in that the vacuum pump
(17) also turned between the 3rd regulating valve (18) by pipeline between the first pneumatic operated valve (8) and the first regulating valve (7), it is described
The 5th regulating valve (13) is provided with pipeline.
A kind of 4. membrane separation device for separating organic gas according to claim 1, it is characterised in that the spinner
Count (30) and atmosphere.
A kind of 5. membrane separation device for separating organic gas according to claim 1, it is characterised in that the gas-chromatography
Instrument (29) includes the GC sampling valves (23) being connected with mixing chamber (22), and the GC sampling valves (23) are on the one hand connected with chromatography in turn
Column (24), thermal conductivity detector (TCD) (25), be on the other hand connected with turn carrier gas flux control system (28), pressure regulator (27),
Carrier gas bottle (26), thermal conductivity detector (TCD) (25) are electrically connected work station (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721397041.4U CN207351968U (en) | 2017-10-26 | 2017-10-26 | A kind of membrane separation device for separating organic gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721397041.4U CN207351968U (en) | 2017-10-26 | 2017-10-26 | A kind of membrane separation device for separating organic gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207351968U true CN207351968U (en) | 2018-05-11 |
Family
ID=62356561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721397041.4U Expired - Fee Related CN207351968U (en) | 2017-10-26 | 2017-10-26 | A kind of membrane separation device for separating organic gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207351968U (en) |
-
2017
- 2017-10-26 CN CN201721397041.4U patent/CN207351968U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180511 Termination date: 20181026 |
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| CF01 | Termination of patent right due to non-payment of annual fee |