CN109731446A - A kind of VOCs gas recycling and processing device - Google Patents
A kind of VOCs gas recycling and processing device Download PDFInfo
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- CN109731446A CN109731446A CN201910127064.0A CN201910127064A CN109731446A CN 109731446 A CN109731446 A CN 109731446A CN 201910127064 A CN201910127064 A CN 201910127064A CN 109731446 A CN109731446 A CN 109731446A
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Abstract
The present invention discloses a kind of VOCs gas recycling and processing device, includes: dry slot, and outer wall is equipped with heating device, for being thermally dried VOCs gas so that hydrocarbon, which boils, to form hydrocarbon vapor；Gas-liquid separator is connect with dry slot, interior to be equipped with first filter, and its outer wall is equipped with condensing unit, for isolating the hydrocarbon gas in hydrocarbon vapor and carrying out condensation process to hydrocarbon gas；Vacuum pump is connect, for vacuumizing to dry slot with dry slot by the gas-liquid separator；Refrigeration mechanism is connect by vacuum pump with gas-liquid separator, for carrying out condensation process to the hydrocarbon gas from gas-liquid separator；Filtering emission device is connect with the refrigeration mechanism, for the hydrocarbon gas from refrigeration mechanism to be filtered and discharged.VOCs gas recycling and processing device of the invention may make that VOCs content is greatly decreased in the gas discharged after hydrocarbon cleaning, meets national emission standard, to reduce environmental pollution.
Description
Technical field
The present invention relates to industrial hydrocarbon cleaning fields, relate more specifically to a kind of VOCs gas recycling and processing device.
Background technique
In recent years, the attention with government department to environmental protection and labourer's health of human body, in industry cleaning link industry,
Using the ODS for having the substitution such as chlorine system cleaning agent (methylene chloride, trichloroethanes etc.), water solubility scour and hydrocarbon system's cleaning agent traditional
(Ozone Depleting Substances) cleaning agent, and hydrocarbon cleaning due to it is good, less toxic with cleaning effect, have with material
Good compatibility, performance are stable, the advantages that cycling and reutilization can be recycled, and are approved by more and more enterprises.But due to hydrocarbon
Be cleaning agent it is product or synthetic from petrochemical industry Jing Guo advanced refining treatment, there is volatility, wave
The gas issued belongs to volatile organic matter (VOCs, volatile organic compounds), has to current environment
Certain pollution, but since the recovery technology of hydrocarbon gas lacks, processing is not thorough etc., that factors cause current cleaning industry is hydrocarbon
Its VOCs discharge does not meet the VOCs discharge standard of formulation after cleaning, and excessive problem is increasingly severe, and environmental pollution gradually adds
Greatly.
In consideration of it, it is necessary to provide the VOCs gas recycling and processing devices that one kind can reduce environmental pollution to solve above-mentioned lack
It falls into.
Summary of the invention
Technical problem to be solved by the invention is to provide the VOCs gas recovery processing dresses that one kind can reduce environmental pollution
It sets.
In order to solve the above technical problems, the present invention provides a kind of VOCs gas recycling and processing device, the recovery processing dress
It sets and includes:
Dry slot, outer wall is equipped with heating device, for being thermally dried VOCs gas so that hydrocarbon
Boiling forms hydrocarbon vapor；
Gas-liquid separator is connect with the dry slot, interior to be equipped with first filter, and its outer wall is equipped with condensing unit,
For isolating the hydrocarbon gas in hydrocarbon vapor and carrying out condensation process to hydrocarbon gas；
Vacuum pump is connect, for vacuumizing to dry slot with dry slot by the gas-liquid separator；
Refrigeration mechanism is connect by vacuum pump with gas-liquid separator, for the hydrocarbon gas from gas-liquid separator into
Row condensation process；
Filtering emission device is connect with the refrigeration mechanism, for being filtered to the hydrocarbon gas from refrigeration mechanism
And it discharges.
Its further technical solution are as follows: the refrigeration mechanism includes water cooling condensing unit and deep cooling condensing unit, with right
Hydrocarbon gas from gas-liquid separator carries out water cooling condensation process and deep cooling condensation process, wherein the water cooling condensing unit
It is equipped with cold water inlet and water outlet, is connect by vacuum pump with gas-liquid separator, the deep cooling condensing unit and water cooling
The connection of condensing unit pipeline.
Its further technical solution are as follows: the temperature setting of the water cooling condensation process is 5-15 DEG C, at the deep cooling condensation
The temperature setting of reason is 0-5 DEG C.
Its further technical solution are as follows: the filtering emission device includes a cabinet and a breeze fan, in the cabinet
Equipped with active carbon filtering device, the cabinet is connect with breeze fan and refrigeration mechanism, is made by oneself with being made by breeze fan
The hydrocarbon gas of cold structure is filtered by active carbon filtering device, and filtered gas is emitted into air.
Its further technical solution are as follows: the active carbon filtering device includes two activated carbon fiber filters being arranged successively
And two Alveolate activated carbon filter.
Its further technical solution are as follows: the recycling and processing device further includes vacuum buffer tank, the vacuum buffer tank with
Dry slot connection, to be buffered when dry slot vacuumizes, and store sublimate when dry slot vacuumizes to be formed it is hydrocarbon
Solution.
Its further technical solution are as follows: the recycling and processing device further includes the second filter, and second filter goes out
Port is connect by pipeline with dry slot air inlet, and to filter the impurity in the VOCs gas after cleaning, and the pipeline is equipped with
For controlling the solenoid valve of gas flow.
Its further technical solution are as follows: the recycling and processing device further includes air filter, the air filter with
Filtering emission device connection, for being refiltered to the gas from filtering emission device.
Its further technical solution are as follows: the recycling and processing device further includes reservoir, the reservoir and refrigeration mechanism
Connection, the hydrocarbon solution formed for storing condensation.
Its further technical solution are as follows: the dry slot is equipped with a vacuum meter and temperature probe.
Compared with prior art, VOCs gas recycling and processing device of the invention closes after VOCs gas enters dry slot
It closes dry slot and dry slot is vacuumized by vacuum pump, dry slot heat drying is so that hydrocarbon boils to form hydrocarbon steaming
Vapour, and entering gas-liquid separator under the action of vacuum pump can not because hydrocarbon gas molecule and other gas molecules are of different sizes
By the first filter in gas-liquid separator, then most of hydrocarbon gas can keep it solidifying by the condensing unit that outer wall is arranged
China, and remaining hydrocarbon gas enters refrigeration mechanism and carries out time condensation processing, and can be to not by two by filtering emission device
The hydrocarbon gas of secondary condensation is absorbed and filter, so that VOCs content is greatly decreased in the gas of discharge, meets national discharge
Standard, to reduce environmental pollution.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one specific embodiment of VOCs gas recycling and processing device of the present invention.
Specific embodiment
To make those skilled in the art that the object, technical solutions and advantages of the present invention be more clearly understood, with
Under the present invention is further elaborated in conjunction with the accompanying drawings and embodiments.
Referring to Fig.1, Fig. 1 is the structural schematic diagram of 10 1 specific embodiment of VOCs gas recycling and processing device of the present invention.?
In embodiment shown in the drawings, the recycling and processing device 10 includes the second filter 101, the dry slot connected by pipeline
102, gas-liquid separator 103, vacuum pump 104, refrigeration mechanism 105 and filtering emission device.Wherein second filter 101
Gas outlet is connect with 102 air inlet of dry slot, to filter the impurity in the VOCs gas after cleaning, and on the pipeline of the two connection
Equipped with the solenoid valve A1 for controlling gas flow；102 outer wall of dry slot is equipped with heating device 1023, for VOCs
Gas is thermally dried so that hydrocarbon boils to form hydrocarbon vapor, it is preferable that in the present embodiment, there are two add for setting
Thermal 1023 is separately positioned on 102 outer wall two sides of dry slot, is passed through conduction oil in the heating device 1023 and passes through heat transfer
To the VOCs gas heating in dry slot 102, and the dry slot 102 is equipped with one for measuring vacuum degree in dry slot 102
Vacuum meter 1021 and temperature probe 1022 for detecting temperature in dry slot 102；The gas-liquid separator 103 is done with described
Dry slot 102 connects, interior to be equipped with first filter 1031, and its outer wall is equipped with condensing unit 1032, for isolating hydrocarbon steaming
Hydrocarbon gas in vapour and condensation process carried out to hydrocarbon gas, in the present embodiment, the 103 outer wall two sides of gas-liquid separator are set
There are two condensing units 1032, the condensing unit 1032 is water-cooled condenser, and cryogenic temperature is 5~15 DEG C；The vacuum pump
104 are connect by the gas-liquid separator 103 with dry slot 102, for vacuumizing to dry slot 102；The refrigeration mechanism 105
It is connect by vacuum pump 104 with gas-liquid separator 103, for being carried out at condensation to from the hydrocarbon gas of gas-liquid separator 103
Reason；The filtering emission device is connect with the refrigeration mechanism 105, for carrying out to the hydrocarbon gas from refrigeration mechanism 105
It filters and discharges.
Based on above-mentioned design, VOCs gas recycling and processing device 10 of the invention after VOCs gas enters dry slot 102,
It closes dry slot 102 and dry slot 102 is vacuumized by vacuum pump 104,102 heat drying of dry slot is so that hydrocarbon
Boiling forms hydrocarbon vapor, and enters gas-liquid separator 103 under the action of vacuum pump 104, because of hydrocarbon gas molecule and other
Gas molecule is of different sizes, can not be by the first filter 1031 in gas-liquid separator 103, then most of hydrocarbon gas can lead to
Cross outer wall setting condensing unit 1032 it can be made to sublimate, and remaining hydrocarbon gas enter refrigeration mechanism 105 carry out it is secondary cold
Solidifying processing, and can be to not absorbed and filter by the hydrocarbon gas of time condensation, so that discharging by filtering emission device
VOCs content is greatly decreased in gas, meets national emission standard, to reduce environmental pollution.
In certain embodiments, the refrigeration mechanism 105 includes water cooling condensing unit 1051 and deep cooling condensing unit
1052, to carry out water cooling condensation process and deep cooling condensation process to the hydrocarbon gas from gas-liquid separator 103, wherein described
Water cooling condensing unit 1051 is equipped with cold water inlet and water outlet, is connect by vacuum pump 104 with gas-liquid separator 103,
The deep cooling condensing unit 1052 is connect with 1051 pipeline of water cooling condensing unit.Preferably, in the present embodiment, the water cooling condensation
The temperature setting of processing is 5-15 DEG C, and the temperature setting of the deep cooling condensation process is 0-5 DEG C, is based on above-mentioned design, passes through water
Cold condensing unit 1051 can carry out level-one condensing recovery to hydrocarbon gas, be carried out by deep cooling condensing unit 1052 to hydrocarbon gas
B-grade condensation recycling.
In the embodiment shown in the figures, the filtering emission device includes a cabinet 1061 and a breeze fan 1062,
It is equipped with active carbon filtering device in the cabinet 1061, the cabinet 1061 is connect with breeze fan 1062 and refrigeration mechanism 105,
Filter the hydrocarbon gas from deep cooling condensing unit 1052 by active carbon filtering device by breeze fan 1062, and
Filtered gas is emitted into air.Preferably, in the present embodiment, the active carbon filtering device includes being arranged successively
Two activated carbon fiber filters 1063 and two Alveolate activated carbon filters 1064, the activated carbon fiber filter 1063 be by
Special high-strength activated carbon fiber filter made of efficient absorption material.
In the present embodiment, the VOCs gas recycling and processing device 10 further includes vacuum buffer tank 108, the vacuum buffer
Tank 108 is connect with the dry slot 102, and it also passes through pipeline and connect with gas-liquid separator 103, which is equipped with the 4th electricity
Magnet valve A4, to be buffered when dry slot 102 vacuumizes, and store sublimate when dry slot 102 vacuumizes to be formed it is hydrocarbon molten
Liquid.Because when vacuumizing to dry slot 102, the hydrocarbon partial that VOCs gas carries can be sublimated at reduced pressure conditions as liquid
And enter vacuum buffer tank 108, it is recycled and stores by vacuum buffer tank 108.Preferably, in the present embodiment, the recovery processing dress
Setting 10 further includes having reservoir 109, and the reservoir 109 is connect with vacuum buffer tank 108 and refrigeration mechanism 105, for storing
Condense the hydrocarbon solution formed.
In certain embodiments, the VOCs gas recycling and processing device 10 further includes air filter 107, the air
Filter 107 is connect with filtering emission device, for refiltering to the gas from filtering emission device.It is set based on this
Meter, can be into refiltering through activated carbon fiber filter 1063 and the filtered exhaust gas of Alveolate activated carbon filter 1064
The discharge standard of country is fully achieved in the VOCs content that one step ensures to be emitted into the gas in air.
Understandably, be provided in the pipeline of the VOCs gas recycling and processing device 10 in the present embodiment multiple regulating valves and
Solenoid valve, it is described to control the flow of gas and the flow etc. of speed either control cold water Inlet and outlet water, such as in the present embodiment
Heating device 1023 in dry slot 102 adjusts conduction oil by the second regulating valve V2 and the first regulating valve V1 respectively and enters and defeated
Flow and speed out, the condensing unit 1032 in the gas-liquid separator 103 pass through the 6th regulating valve V6 and the 5th regulating valve
V5 adjusts the inflow and water yield of cold water respectively, and the water cooling condensing unit 1051 is adjusted by the 8th regulating valve V8 and the 9th
Valve V9 adjusts the inflow and water yield of cold water respectively, and settable one second electromagnetism between dry slot 102 and gas-liquid separator 103
Valve A2, because may result in part hydrocarbon vapor when the liquid sublimated in dry slot 102 enters vacuum buffer tank 108, also entrance should
In vacuum buffer tank 108, then water cooling condensation process can also be carried out in vacuum buffer tank 108, i.e., as shown, it is adjusted by the 4th
Section valve V4 and third regulating valve V3 adjusts the inflow and water yield of cold water respectively.
In the embodiment shown in the figures, the arrow direction is the flow direction of liquid or the flow direction of gas, hydrocarbon cleaning
VOCs gas afterwards closes dry slot by entering in dry slot 102 after filtering out impurity therein in the second filter 101
102, vacuum pump 104 works to vacuumize to dry slot 102, and two heating devices 1023 work in 102 outside of dry slot, adds at this time
Thermal 1023 is passed through conduction oil and heats indirectly to the gas in dry slot 102, under vacuum conditions the part in VOCs gas
Hydrocarbon sublimates as liquid and enters vacuum buffer tank 108 through third solenoid valve A3 and be recovered storage, and another part does not have
The hydrocarbon sublimated boiling point in the case where negative pressure reduces, and because of the volatilizable formation carbon of temperature raising in dry slot 102
Hydrogen steam is dry to achieve the effect that, and hydrocarbon vapor enters gas-liquid separator 103, gas-liquid under the action of vacuum pump 104
It is equipped with condensing unit 1032 on the outside of separator 103, and first filter 1031 is installed inside it, and hydrocarbon vapor passes through gas-liquid
When separator 103, because hydrocarbon gas molecule and other gas molecules are of different sizes, in gas-liquid separator 103 can not be passed through
One filter 1031, then most of hydrocarbon gas can make it sublimate by the condensing unit 1032 that outer wall is arranged, and remaining carbon
Hydrogen carries out time condensation processing since the effect of vacuum pump 104 enters to refrigeration mechanism 105, i.e., when hydrocarbon gas enters system
After cold structure 105, B-grade condensation recycling is carried out by the water cooling condensing unit 1051 of refrigeration mechanism 105, then condense by deep cooling
Device 1052 carries out subzero treatment so that most of hydrocarbon gas is sublimated, remaining fraction hydrocarbon gas enters to filtering emission
Device is absorbed and filter by activated carbon fiber filter 1063 and Alveolate activated carbon filter 1064, so that at deep cooling
The content of exhaust gas VOCs after reason is less than 120PPm, reaches the discharge standard of country；In the present invention, vacuum buffer tank 108 and system
The liquid to be formed of sublimating of cold structure 105 flows into reservoir 109 through solenoid valve A6, A7 respectively, and 109 water outlet of reservoir is equipped with the
Seven regulating valve V7 are to adjust the water yield of solution in reservoir 109.
In conclusion VOCs gas recycling and processing device of the invention after VOCs gas enters dry slot, closes drying
Slot simultaneously vacuumizes dry slot by vacuum pump, dry slot heat drying so that hydrocarbon boils to form hydrocarbon vapor, and
Entering gas-liquid separator under the action of vacuum pump can not pass through because hydrocarbon gas molecule and other gas molecules are of different sizes
First filter in gas-liquid separator, then most of hydrocarbon gas can make it sublimate by the condensing unit that outer wall is arranged, and
Remaining hydrocarbon gas enters refrigeration mechanism and carries out time condensation processing, and can be to not by time condensation by filtering emission device
Hydrocarbon gas absorbed and filter so that discharge gas in VOCs content be greatly decreased, meet national emission standard, with
It reduces environmental pollution.
The above description is only a preferred embodiment of the present invention, rather than does limitation in any form to the present invention.This field
Technical staff can impose various equivalent changes and improvement, all institutes within the scope of the claims on the basis of the above embodiments
The equivalent variations or modification done, should all fall under the scope of the present invention.
Claims (10)
1. a kind of VOCs gas recycling and processing device, which is characterized in that the recycling and processing device includes:
Dry slot, outer wall are equipped with heating device, for being thermally dried to VOCs gas so that hydrocarbon boils
Form hydrocarbon vapor；
Gas-liquid separator is connect with the dry slot, interior to be equipped with first filter, and its outer wall is equipped with condensing unit, is used for
It isolates the hydrocarbon gas in hydrocarbon vapor and condensation process is carried out to hydrocarbon gas；
Vacuum pump is connect, for vacuumizing to dry slot with dry slot by the gas-liquid separator；
Refrigeration mechanism is connect by vacuum pump with gas-liquid separator, cold for carrying out to the hydrocarbon gas from gas-liquid separator
Solidifying processing；
Filtering emission device is connect with the refrigeration mechanism, for being filtered side by side to the hydrocarbon gas from refrigeration mechanism
It puts.
2. VOCs gas recycling and processing device as described in claim 1, it is characterised in that: the refrigeration mechanism includes water cooling
Condensing unit and deep cooling condensing unit, to carry out water cooling condensation process and deep cooling condensation to the hydrocarbon gas from gas-liquid separator
Processing, wherein the water cooling condensing unit is equipped with cold water inlet and water outlet, is connected by vacuum pump and gas-liquid separator
It connects, the deep cooling condensing unit is connect with water cooling condensing unit pipeline.
3. VOCs gas recycling and processing device as claimed in claim 2, it is characterised in that: the temperature of the water cooling condensation process
It is set as 5-15 DEG C, the temperature setting of the deep cooling condensation process is 0-5 DEG C.
4. VOCs gas recycling and processing device as described in claim 1, it is characterised in that: the filtering emission device includes one
Cabinet and a breeze fan, the cabinet is interior to be equipped with active carbon filtering device, the cabinet and breeze fan and refrigeration mechanism company
It connects, filter the hydrocarbon gas from refrigeration mechanism by active carbon filtering device by breeze fan, and will be after filtering
Gas be emitted into air.
5. VOCs gas recycling and processing device as claimed in claim 4, it is characterised in that: the active carbon filtering device includes
Two activated carbon fiber filters and two Alveolate activated carbon filters being arranged successively.
6. VOCs gas recycling and processing device as described in claim 1, it is characterised in that: the recycling and processing device further includes
Vacuum buffer tank, the vacuum buffer tank is connect with the dry slot, to be buffered when dry slot vacuumizes, and is stored dry
Dry slot is sublimated the hydrocarbon solution to be formed when vacuumizing.
7. VOCs gas recycling and processing device as described in claim 1, it is characterised in that: the recycling and processing device further includes
Second filter, the second filter outlet mouth are connect by pipeline with dry slot air inlet, to filter the VOCs after cleaning
Impurity in gas, and the pipeline is equipped with the solenoid valve for controlling gas flow.
8. VOCs gas recycling and processing device as described in claim 1, it is characterised in that: the recycling and processing device further includes
Air filter, the air filter are connect with filtering emission device, for carrying out to the gas from filtering emission device
It refilters.
9. VOCs gas recycling and processing device as described in claim 1, it is characterised in that: the recycling and processing device further includes
Reservoir, the reservoir are connect with refrigeration mechanism, the hydrocarbon solution formed for storing condensation.
10. VOCs gas recycling and processing device as described in claim 1, it is characterised in that: it is true that the dry slot is equipped with one
Empty table and temperature probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910127064.0A CN109731446A (en) | 2019-02-20 | 2019-02-20 | A kind of VOCs gas recycling and processing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910127064.0A CN109731446A (en) | 2019-02-20 | 2019-02-20 | A kind of VOCs gas recycling and processing device |
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| CN109731446A true CN109731446A (en) | 2019-05-10 |
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| CN201910127064.0A Pending CN109731446A (en) | 2019-02-20 | 2019-02-20 | A kind of VOCs gas recycling and processing device |
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Cited By (2)
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| CN113840715A (en) * | 2019-07-30 | 2021-12-24 | 惠普发展公司， 有限责任合伙企业 | Processing chamber |
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