CN209005504U - A kind of combined type oil gas recyclable device - Google Patents
A kind of combined type oil gas recyclable device Download PDFInfo
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- CN209005504U CN209005504U CN201821419938.7U CN201821419938U CN209005504U CN 209005504 U CN209005504 U CN 209005504U CN 201821419938 U CN201821419938 U CN 201821419938U CN 209005504 U CN209005504 U CN 209005504U
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Abstract
The utility model provides a kind of combined type oil gas recyclable device, including exhaust gas main pipeline, exhaust gas main pipeline one end is connected with exhaust gas entrance, the other end of exhaust gas main pipeline is connected with scrubbing tower, scrubbing tower is connected with activated carbon adsorption device, the activated carbon adsorption device connects catalytic oxidizing equipment, level-one main valve is equipped between the scrubbing tower and activated carbon adsorption device, second level main valve is equipped between the activated carbon adsorption device and catalytic oxidizing equipment, it further include level-one bypass line, the connection of level-one bypass line one end and scrubbing tower, level-one branch road valve is equipped between the level-one bypass line and scrubbing tower outlet pipe；The level-one bypass line other end is connected to before the second level main valve on Tier 2 manager road, and the level-one bypass line passes through second level branch road valve with Tier 2 manager road and communicates with ambient atmosphere.The utility model can meet indirect operation occasion, reduce catalysis oxidation in indirect field and close frequent start-stop, influence service life and energy loss.
Description
Technical field
The utility model relates to petroleum vapor recovery field, especially a kind of combined type oil gas recyclable device.
Background technique
Industrial waste gas refers to that generate in plant area, enterprise fuel combustion and production process various are discharged into containing for air
There is the general name of contaminant gases.These exhaust gas have: carbon dioxide, carbon disulfide, hydrogen sulfide, fluoride, nitrogen oxides, chlorine, chlorine
Change hydrogen, carbon monoxide, sulfuric acid mist lead mercury, beryllide, flue dust and industrial dust, is discharged into atmosphere, air can be polluted.These substances
Enter the internal of people by different approach respiratory tracts, some directly generates harm, and there are also cumulative effects for some, can be more serious
The health for endangering people.Different material has Different Effects.
So industrial waste gas cannot be directly discharged in atmosphere, Yao Jinhang exhaust-gas treatment reaches ability after discharge standard
Although discharge, common waste gas purification apparatus can be used to the particulate contaminant (such as dirty dirt and suspended particulates) in eliminating waste gas, so
And volatile organic compounds and peculiar smell that exhaust gas caused by coating processing procedure and chemical raw material processing procedure often contains, it commonly uses useless
Air purifying apparatus but can not be filtered purification for these substances, so that common waste gas purification apparatus may be only available for a part
Exhaust-gas treatment program, greatly limit the application of common waste gas purification apparatus.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, a kind of combined type oil gas recyclable device is provided, three
Kind device provides two groups of composite processing systems, and switching uses, and can ensure qualified discharge, the indirect time fortune of very good solution simultaneously
The Preheating of catalysis oxidation when row.
Purpose of the utility model is realized as follows: a kind of combined type oil gas recyclable device, including exhaust gas main pipeline, it gives up
Exhaust fan is provided on gas main pipeline, exhaust gas main pipeline one end is connected with exhaust gas entrance, and the other end of exhaust gas main pipeline is connected with
Scrubbing tower, the scrubbing tower are connected with one end of activated carbon adsorption device, the activated carbon adsorption device by tier-1 supervisor road
Catalytic oxidizing equipment is connected by Tier 2 manager road, level-one main valve is equipped between the scrubbing tower and activated carbon adsorption device,
For closing and being connected to the pipeline of scrubbing tower and activated carbon adsorption device；The activated carbon adsorption device and catalytic oxidizing equipment it
Between be equipped with second level main valve, for closing and being connected to the pipeline of activated carbon adsorption device and catalytic oxidizing equipment；It further include level-one
Bypass line, the connection of level-one bypass line one end and scrubbing tower, the level-one bypass line and scrubbing tower outlet pipe it
Between be equipped with level-one branch road valve；The level-one bypass line other end is connected to before the second level main valve on Tier 2 manager road,
The level-one branch road valve cooperates with second level main valve for closing and being connected to the pipeline between scrubbing tower and catalytic oxidizing equipment；
The level-one bypass line passes through second level branch road valve with Tier 2 manager road and communicates with ambient atmosphere.
Further, heat exchanger, the heat exchanger are connected between the activated carbon adsorption device and catalytic oxidizing equipment
Including shell and built-in lateral winding type heat exchange pipeline, the catalytic oxidizing equipment successively includes heating room and catalyst chamber,
Heating room is used to for exhaust gas to be heated to initial temperature required for catalysis is burnt, and catalyst chamber includes the catalysis for oxidation reaction
Agent；One end of the heat exchange pipeline connects activated carbon adsorption device by second level main valve, and the other end of the heat exchange pipeline connects
The air inlet of heating room is connect, the gas outlet of the catalyst chamber connects the air inlet of heat exchanger, the heat exchange by tier-3 supervisor road
Gas outlet is arranged in the upside of device, and the preheating of heat exchange pipeline is used for by the exhaust gas after catalysis oxidation, and is emitted into ambient atmosphere.
Further, the scrubbing tower include tower body, with the admission line and outlet pipe that are connected to inside tower body, in tower body
It is disposed with demisting plate and packing layer from top to bottom, circulated sprinkling system is additionally provided in tower body.
Further, the circulated sprinkling system includes that the liquid reserve tank of bottom in tower body is arranged in and is arranged in tower body outer wall
On main spray piping, main spray piping connect by water pump with liquid reserve tank, and circulated sprinkling system further includes setting in tower body
Branch spray tube, branch spray tube extends tower body and is connected to main spray piping；Scrubbing tower using gas-liquid counter current operate, exhaust gas from
Lower part admission line enters and passes through packing layer in scrubbing tower, and exhaust gas and absorbing liquid progress gas-liquid two-phase come into full contact with absorption and neutralize instead
It answers, exhaust gas flows out after purification, then through demisting plate dehydrating demisting from top outlet pipe, and absorbing liquid is pressurized in tower bottom through water pump
Afterwards tower top spray and under, be finally back to tower bottom recycling.
Further, the activated carbon adsorption device includes two adsorption tanks, and adsorption tanks include active carbon, effectively adsorb
The hydrocarbon component in oil gas, and air, nitrogen etc. are not easy to adsorb, such oil-gas component is separated well with air；It is described
Tier-1 supervisor road is separately connected the air inlet of two adsorption tanks lower ends, and time level-one is equipped between each air inlet and level-one main valve
Main valve, connection and closing for adsorption tanks air inlet pipeline；The gas outlet of two adsorption tanks upper ends with second level master
Pipeline connection is equipped with time second level main valve, the company for adsorption tanks gas outlet pipeline between each gas outlet and second level main valve
Logical and closing；Each air inlet also passes through three-level valve and one end of vacuum pump connects, for adsorption tanks air inlet and very
The connection and closing of pipeline, the other end of vacuum pump are connected to the inlet of scrubbing tower between sky pump；It is reduced and is inhaled using vacuum pump
The pressure of attached dose of bed detaches oil gas from the pore structure of adsorbent and enters vacuum pump, after vacuum pump, takes off
Attached oil gas out returns to oil gas entrance and carries out next circular treatment, repeats to recycle, and two charcoal canisters are alternately adsorbed, taken off
An adsorption tanks absorption is opened in attached work, another adsorption tanks then carries out desorption and regeneration, after the adsorption cycle that works, absorption
Tank switch operating state in sequence, to realize unit continuous work, the effective service life for improving active carbon.
Further, fire arrester is set between the second level main valve and heat exchange pipeline.
The utility model has the advantages that 1. can meet indirect operation occasion, catalysis oxidation is reduced in indirect field and closes frequent start-stop, influences to make
With service life and energy loss.
2. two kinds of group technologies can meet tail gas qualified discharge.
3. solving the Preheating of catalysis oxidation when the operation of indirect time.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model scrubbing tower；
Fig. 3 is the structural schematic diagram of the utility model activated carbon adsorption device；
Fig. 4 is the structural schematic diagram of the utility model catalytic oxidizing equipment.
Specific embodiment
The utility model is further described with reference to the accompanying drawing.Following embodiment is only used for clearly illustrating this
The technical solution of utility model, and cannot be used as a limitation the limitation protection scope of the utility model.
The embodiments of the present invention as shown in Figure 1, a kind of combined type oil gas recyclable device, including exhaust gas main pipeline 1,
Exhaust fan 11 is provided on exhaust gas main pipeline 1,1 one end of exhaust gas main pipeline is connected with exhaust gas entrance, the other end of exhaust gas main pipeline 1
It is connected with scrubbing tower 2, the scrubbing tower 2 is connected with one end of activated carbon adsorption device 3, the activity by tier-1 supervisor road 61
Charcoal adsorbent equipment 3 connects catalytic oxidizing equipment 4 by Tier 2 manager road 7, between the scrubbing tower 2 and activated carbon adsorption device 3
Equipped with level-one main valve A, it is equipped with second level main valve C between the activated carbon adsorption device 3 and catalytic oxidizing equipment 4, further includes
Level-one bypass line 62,62 one end of level-one bypass line connection and scrubbing tower 2, the level-one bypass line 62 and scrubbing tower
Level-one branch road valve B is equipped between 2 outlet pipes；62 other end of level-one bypass line is connected on Tier 2 manager road 7
Before second level main valve C, the level-one bypass line 62 passes through second level branch road valve D and ambient atmosphere Q with Tier 2 manager road 7
It communicates.
As shown in Fig. 2, the scrubbing tower 2 includes tower body, the admission line and outlet pipe that are connected to tower body inside, tower body
It is inside disposed with demisting plate 21 and packing layer 22 from top to bottom, circulated sprinkling system is additionally provided in tower body.
The circulated sprinkling system includes the liquid reserve tank 26 that bottom in tower body is arranged in and the master being arranged on tower body outer wall
Spray piping 23, main spray piping 23 are connect by water pump 24 with liquid reserve tank, and circulated sprinkling system further includes being arranged in tower body
Branch spray tube 25, branch spray tube 25 extends tower body and is connected to main spray piping 23, and spray head is arranged on branch spray tube, described
Tower body bottom is equipped with water outlet.
As shown in Fig. 3 ~ 4, heat exchanger 5 is connected between the activated carbon adsorption device 3 and catalytic oxidizing equipment 4, it is described
Heat exchanger 5 includes shell and built-in lateral winding type heat exchange pipeline 51, and the catalytic oxidizing equipment successively includes heating room
41 and catalyst chamber 42；One end of the heat exchange pipeline 51 passes through second level main valve C connection activated carbon adsorption device 3, the heat exchange
The air inlet of the other end connection heating room 41 of pipeline, the gas outlet of the catalyst chamber 42 pass through the connection heat exchange of tier-3 supervisor road 8
Gas outlet is arranged in the upside of the air inlet of device 5, the heat exchanger 5, by the exhaust gas after catalysis oxidation for the pre- of heat exchange pipeline 51
Heat, and it is emitted into ambient atmosphere Q.
The activated carbon adsorption device 3 includes two adsorption tanks, and adsorption tanks include active carbon, are divided into left adsorption tanks 31 and the right side
Adsorption tanks 32, the tier-1 supervisor road 61 are separately connected the air inlet of two adsorption tanks lower ends, left adsorption tanks 31 and level-one main valve
It is equipped with left level-one main valve E between door A, is equipped with right level-one main valve F between right adsorption tanks 32 and level-one main valve A, two
The gas outlet of a adsorption tanks upper end is connect with Tier 2 manager road 7, is equipped between each gas outlet and second level main valve C secondary
Second level main valve；Left second level main valve G, right adsorption tanks 32 and second level master are equipped between left adsorption tanks 31 and second level main valve C
Right second level main valve H is equipped between valve C.
Each air inlet also passes through three-level valve and connect with one end of vacuum pump 9, and the other end connection of vacuum pump is washed
Oil gas entrance before washing tower, the oil gas being desorbed out return to oil gas entrance and carry out next circular treatment, repeat to recycle, left adsorption tanks
It is left three-level valve I between 31 and vacuum pump, right three-level valve J is equipped between right adsorption tanks 32 and vacuum pump.
Fire arrester 10 is set between the second level main valve C and heat exchange pipeline.
Working principle: the utility model is when field working conditions are in indirect operation, level-one branch road valve and second level main valve
Door is closed；Level-one main valve and second level branch road valve are opened, and carry out petroleum vapor recovery using absorption+absorption combination；It is left and right
Adsorption tanks alternately adsorb and are desorbed work, and when work, ipsilateral secondary level-one main valve and time second level main valve are opened simultaneously, together
Side three-level valve is closed, and heteropleural time level-one main valve, secondary second level main valve are closed, and heteropleural three-level valve opens (left level-one master
When valve E and left second level main valve G are opened, left three-level valve I is closed, right level-one main valve F and right second level main valve H
It closing, right three-level valve J is opened, when left and right adsorption tanks work alternatively, conversion valve state；The present embodiment use absorption+
When the mode of absorption: scrubbing tower is operated using gas-liquid counter current, and exhaust gas enters in scrubbing tower by packing layer, exhaust gas and absorbing liquid water
It carries out gas-liquid two-phase and comes into full contact with absorption neutralization reaction, exhaust gas is after purification, then enters after demisting plate dehydrating demisting next
Unit.Absorbing liquid tower bottom after water pump is pressurized tower top spray and under, be finally back to tower bottom recycling, after absorption
Low concentration residual air, using absorbent charcoal adsorption tank, after intercepting the hydrocarbon in residual air, obtained air direct emission.And
In adsorption tanks enrichment oil gas close to being desorbed when adsorption saturation, the high-concentration oil vapor of desorption is recycled into absorptive unit, improves
The component of partial pressure is able to supersaturation, generates the liquid hydrocarbon that phase transformation is recycled；
The utility model when field working conditions are in continuity run, open by level-one branch road valve and second level main valve；One
Grade main valve and second level branch road valve are closed, and carry out petroleum vapor recovery, low concentration gas using absorption+catalysis oxidation combination
Enter heat exchanger and heating room after fire arrester filters, exhaust gas is heated to initial temperature required for catalysis is burnt, by pre-
The exhaust gas of heat, is allowed to burn, due to the effect of catalyst, the initial temperature of Production by Catalytic Combustion Process waste gas burning is about by catalyst
250-300 degrees Celsius, it is significantly less than 650-800 degrees Celsius of ignition temperature of direct combustion method, organic exhaust gas carries out oxidation reaction
Harmless water and carbon dioxide are generated, and releases certain heat, the high-temperature gas after reaction is again introduced into heat exchanger, through exchanging heat
Afterwards, on the one hand on the other hand atmosphere can be discharged into for the exhaust gas in preheating heat-changing tube with lower temperature.The present embodiment uses
When absorption+catalysis oxidation mode, scrubbing tower is operated using gas-liquid counter current, and exhaust gas enters in scrubbing tower by packing layer, exhaust gas
Gas-liquid two-phase is carried out with absorbing liquid water and comes into full contact with absorption neutralization reaction, and exhaust gas is after purification, then through demisting plate dehydrating demisting
Enter next unit afterwards.Absorbing liquid tower bottom after water pump is pressurized tower top spray and under, be finally back to tower bottom recycling,
To the low concentration residual air after absorption, into catalytic oxidation unit, exhaust gas is by fire arrester, into Catalytic oxidation furnace, by pre-
So that exhaust gas is reached reaction temperature (300 DEG C ~ 350 DEG C) after heat, then by the effect of catalyst, organic matter is made to resolve into carbon dioxide
And water, it enters back into heat exchanger and low temperature waste gas carries out heat exchange, the exhaust gas temperature entered raising is made to reach reaction temperature.As up to not
To reaction temperature, heating system can realize compensation heating by robot control system(RCS), catalytic bed temperature is made to be maintained at design temperature model
It encloses, guarantees the oxidation of organic matter VOC completely burned, the purifying rate of organic exhaust gas reaches 99% or more.
The utility model, which recycles oil gas by alternate combinations mode, (can meet indirect and run occasion, reduce catalysis oxidation
Frequent start-stop is closed in indirect field, influences service life and energy loss, and two kinds of group technologies can meet tail gas row up to standard
It puts).
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and deformations can also be made, these change
It also should be regarded as the protection scope of the utility model into deformation.
Claims (7)
1. a kind of combined type oil gas recyclable device, including exhaust gas main pipeline, it is provided with exhaust fan on exhaust gas main pipeline, feature exists
In exhaust gas main pipeline one end is connected with exhaust gas entrance, and the other end of exhaust gas main pipeline is connected with scrubbing tower, and the scrubbing tower passes through
Tier-1 supervisor road is connected with one end of activated carbon adsorption device, and the activated carbon adsorption device passes through the connection catalysis of Tier 2 manager road
Oxidation unit, between the scrubbing tower and activated carbon adsorption device be equipped with level-one main valve, the activated carbon adsorption device with urge
Change and be equipped with second level main valve between oxidation unit, further include level-one bypass line, level-one bypass line one end connects and washes
Tower is washed, level-one branch road valve is equipped between the level-one bypass line and scrubbing tower outlet pipe；The level-one bypass line is another
One end is connected to before the second level main valve on Tier 2 manager road, and the level-one bypass line and Tier 2 manager road pass through second level
Branch road valve is communicated with ambient atmosphere.
2. a kind of combined type oil gas recyclable device according to claim 1, which is characterized in that the activated carbon adsorption device
Heat exchanger is connected between catalytic oxidizing equipment, the heat exchanger includes shell and built-in lateral winding type heat exchanger tube
Road, the catalytic oxidizing equipment successively include heating room and catalyst chamber；One end of the heat exchange pipeline is connected by second level main valve
Activated carbon adsorption device is connect, the air inlet of the other end connection heating room of the heat exchange pipeline, the gas outlet of the catalyst chamber leads to
The air inlet of tier-3 supervisor road connection heat exchanger is crossed, gas outlet is arranged in the upside of the heat exchanger, by the exhaust gas after catalysis oxidation
For the preheating of heat exchange pipeline, and it is emitted into ambient atmosphere.
3. a kind of combined type oil gas recyclable device according to claim 1, which is characterized in that the scrubbing tower includes tower
Body, with the admission line and outlet pipe that are connected to inside tower body, be disposed with demisting plate and packing layer from top to bottom in tower body,
Circulated sprinkling system is additionally provided in tower body.
4. a kind of combined type oil gas recyclable device according to claim 3, which is characterized in that the circulated sprinkling system packet
Include and the liquid reserve tank of bottom and the main spray piping being arranged on tower body outer wall in tower body be set, main spray piping by water pump with
Liquid reserve tank connection, circulated sprinkling system further include being arranged in the intracorporal branch spray tube of tower, and branch spray tube extends tower body and master
Spray piping connection.
5. a kind of combined type oil gas recyclable device according to claim 1, which is characterized in that the activated carbon adsorption device
Including two adsorption tanks, adsorption tanks include active carbon, and the tier-1 supervisor road is separately connected the air inlet of two adsorption tanks lower ends,
It is equipped with time level-one main valve between each air inlet and level-one main valve, the gas outlet of two adsorption tanks upper ends is and second level
Main pipeline connection is equipped with time second level main valve between each gas outlet and second level main valve.
6. a kind of combined type oil gas recyclable device according to claim 5, which is characterized in that each air inlet is also logical
The one end for crossing three-level valve and vacuum pump connects, and the other end of vacuum pump is connected to the inlet of scrubbing tower.
7. a kind of combined type oil gas recyclable device according to claim 2, which is characterized in that the second level main valve with change
Fire arrester is set between heat pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821419938.7U CN209005504U (en) | 2018-08-31 | 2018-08-31 | A kind of combined type oil gas recyclable device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821419938.7U CN209005504U (en) | 2018-08-31 | 2018-08-31 | A kind of combined type oil gas recyclable device |
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| Publication Number | Publication Date |
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| CN209005504U true CN209005504U (en) | 2019-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821419938.7U Active CN209005504U (en) | 2018-08-31 | 2018-08-31 | A kind of combined type oil gas recyclable device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109107330A (en) * | 2018-08-31 | 2019-01-01 | 江苏新久扬环保设备科技有限公司 | A kind of combined type oil gas recyclable device |
-
2018
- 2018-08-31 CN CN201821419938.7U patent/CN209005504U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109107330A (en) * | 2018-08-31 | 2019-01-01 | 江苏新久扬环保设备科技有限公司 | A kind of combined type oil gas recyclable device |
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