CN108421368A - The recovery method of air separator of oxygenerator and organic exhaust gas - Google Patents
The recovery method of air separator of oxygenerator and organic exhaust gas Download PDFInfo
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- CN108421368A CN108421368A CN201810259101.9A CN201810259101A CN108421368A CN 108421368 A CN108421368 A CN 108421368A CN 201810259101 A CN201810259101 A CN 201810259101A CN 108421368 A CN108421368 A CN 108421368A
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- exhaust gas
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1487—Removing organic compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C231/00—Preparation of carboxylic acid amides
- C07C231/22—Separation; Purification; Stabilisation; Use of additives
- C07C231/24—Separation; Purification
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/005—Processes comprising at least two steps in series
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/12—Purification; Separation; Use of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/702—Hydrocarbons
- B01D2257/7027—Aromatic hydrocarbons
Abstract
The invention discloses the recovery method of a kind of air separator of oxygenerator and organic exhaust gas, air separator of oxygenerator includes：First recovery unit, the second recovery unit and switch unit, the switch unit includes switching mechanism, the switching mechanism is separately connected first recovery unit and the second recovery unit so that organic exhaust gas is selectively oriented to first recovery unit or the second recovery unit from the switching mechanism, second recovery unit connects first recovery unit, and first recovery unit and second recovery unit are respectively used to be recycled the different organic solvents in organic exhaust gas.It can be selectively directing the first recovery unit or the second recovery unit according to the composition of pending organic exhaust gas by the way that switch unit is arranged, to flexibly handle organic exhaust gas, the practicability for improving air separator of oxygenerator has important practical significance.
Description
Technical field
The present invention relates to organic exhaust gas recovery technology field more particularly to a kind of air separator of oxygenerator and organic exhaust gas
Recovery method.
Background technology
A large amount of organic solvent is used in industries such as coating, process hides, packaging, printing and dyeing, printings, on the production line of such industry
A large amount of volatile organic waste gas (Volatile Organic Compounds, abbreviation VOC) is will produce, these volatility are organic
If the organic solvent in exhaust gas is not recycled, environmental pollution is not only resulted in, human body is damaged, and resource can be caused
Waste.
Publication No. CN101992005A, entitled " high efficient organic solvent recovery unit and its Temperature and Humidity Control
The high efficient organic solvent recovery unit that the Chinese patent of method " discloses include a scrubbing tower, an activated carbon adsorption desorption unit,
One forecooler, a Temperature and Humidity Control unit.High efficient organic solvent recovery unit in CN101992005A is to containing DMF and toluene
The method that is recycled of exhaust gas be first to be cooled down and cooled down by exhaust gas of the forecooler containing DMF and toluene, then exhaust gas passes through
Scrubbing tower carries out washing absorption, then by Temperature and Humidity Control unit to being discharged from scrubbing tower by scrubbing tower to the DMF in exhaust gas
Half purifying gas flow is heated, to improve the relative humidity of half purifying gas flow, finally by activated carbon adsorption desorption unit to from warm and humid
Toluene in half purifying gas flow of degree control unit discharge is recycled.High efficient organic solvent recycling in CN101992005A
Device is only applicable to contain the waste gas recovery of organic solvent that is soluble easily in water and being not readily dissolved in water simultaneously, less soluble for only containing
In the exhaust gas of the organic solvent of water, if recycled using the device, still need first by forecooler, scrubbing tower and
Temperature and Humidity Control unit finally recycles the organic solvent for being not readily dissolved in water by activated carbon adsorption desorption unit, increases instead
The complexity of processing, cost recovery higher.
Publication No. CN106413850A, it is entitled " a kind of activated carbon adsorption recovery processing synthetic leather factory exhaust gas
The device that the Chinese patent of device and method " discloses includes the waste gas recovering device, gaseous effluent, activated carbon being sequentially communicated
Adsorption tanks, air extractor, gas cooler and spray absorber can also include the spray being connected to the waste gas recovering device
Tower, spray column are used to carry out the recycling of preliminary DMFA, and the effect of waste gas recovering device is to be exclusively used in synthetic leather factory exhaust gas
It collects, the effect of absorbent charcoal adsorption tank is that the temperature according to gas is inhaled come absorbing organic solvent or desorption organic solvent, spray
Tower is received for further recycling the organic solvent including DMFA.The device processing method of embodiment 1 in CN106413850A
It is that synthetic leather dry process production line technology waste gas just enters tail gas recycle with the tail gas cocurrent of post treatment production line through spray column and fills
It sets, then tail gas is recycled by absorbent charcoal adsorption tank and spray absorber.Recycling and processing device in CN106413850A
The tail gas of synthetic leather dry process production line technology waste gas and post treatment production line can be handled, is finally still needed to through spray absorber,
But for containing the exhaust gas of organic solvent that is soluble easily in water and being not readily dissolved in water simultaneously, only containing the organic solvent for being not readily dissolved in water
Exhaust gas still can not flexibly handle.
Invention content
For overcome the deficiencies in the prior art, one of the objects of the present invention is to provide a kind of air separator of oxygenerator,
The air separator of oxygenerator is for the exhaust gas for containing organic solvent that is soluble easily in water and being not readily dissolved in water simultaneously or only contains not
The exhaust gas of organic solvent soluble easily in water flexibly can be recycled and be handled.
The second object of the present invention is to provide a kind of recovery method of organic exhaust gas.
An object of the present invention is realized using following technical scheme：
A kind of air separator of oxygenerator, including：First recovery unit, the second recovery unit and switch unit, it is described to cut
It includes switching mechanism to change unit, and the switching mechanism is separately connected first recovery unit and the second recovery unit with selectivity
Organic exhaust gas is oriented to first recovery unit or the second recovery unit, second recovery unit by ground from the switching mechanism
First recovery unit is connected, first recovery unit and second recovery unit are respectively used to in organic exhaust gas
Different organic solvents are recycled.
Optionally, the switching mechanism include the first valve, the second valve, the first branch pipe and the second branch pipe, described first
The air inlet of branch pipe is connected to the air inlet of second branch pipe so that organic exhaust gas enters, and the exhaust outlet of first branch pipe connects
Leading to the air inlet of first recovery unit, the exhaust outlet of second branch pipe is connected to the air inlet of second recovery unit,
First valve is located on first branch pipe to control the opening and closing of first branch pipe, and second valve is located at described the
To control the opening and closing of second branch pipe on two branch pipes.
Optionally, the switching mechanism includes switching valve, the first branch pipe and the second branch pipe, the exhaust outlet of first branch pipe
It is connected to the air inlet of first recovery unit, the exhaust outlet of second branch pipe is connected to the air inlet of second recovery unit
Mouthful, the switching valve by organic exhaust gas for being selectively oriented to first branch pipe or second branch pipe.
Optionally, the switch unit includes the first supervisor, the second supervisor and multiple switching mechanisms, first supervisor point
It is not connected to the exhaust outlet of the air inlet of first recovery unit and the first branch pipe of the multiple switching mechanism, second master
Pipe is respectively communicated with the exhaust outlet of the air inlet of second recovery unit and the second branch pipe of the multiple switching mechanism.
Optionally, the exhaust outlet connection of first recovery unit second supervisor.
Optionally, first recovery unit is the first recovery unit for recycling organic solvent soluble easily in water, described the
Two recovery units are the second recovery unit of the organic solvent that recycling is not readily dissolved in water.
A kind of air separator of oxygenerator, including：First recovery unit, the second recovery unit and switch unit, it is described to cut
It includes multiple switching mechanisms to change unit, and each switching mechanism is separately connected first recovery unit and the second recovery unit
With the organic exhaust gas selectively by each switching mechanism access first recovery unit is oriented to from the switching mechanism
Or second recovery unit, second recovery unit connect first recovery unit, first recovery unit and described the
Two recovery units are respectively used to be recycled the different organic solvents in organic exhaust gas.
Optionally, including further including the first supervisor and the second supervisor, described first is responsible for described in connection the switch unit
The air inlet of first recovery unit, second supervisor are connected to the air inlet of second recovery unit, each switching machine
Structure be separately connected first supervisor and the second supervisor with selectively by the organic exhaust gas of each switching mechanism access from
The switching mechanism is oriented to first supervisor or the second supervisor.
Optionally, the exhaust outlet connection of first recovery unit second supervisor.
Optionally, first recovery unit is the first recovery unit for recycling organic solvent soluble easily in water, described the
Two recovery units are the second recovery unit of the organic solvent that recycling is not readily dissolved in water.
A kind of air separator of oxygenerator, including：First recovery unit, the second recovery unit and switch unit, it is described to cut
It includes switching mechanism to change unit, and the switching mechanism is separately connected first recovery unit and the second recovery unit, and described
Two recovery units connect first recovery unit；
When organic exhaust gas includes the first solvent and the second solvent, the switching mechanism is used to organic exhaust gas being oriented to described the
One recovery unit, first recovery unit and second recovery unit successively respectively in organic exhaust gas the first solvent and
Second solvent is recycled；
When organic exhaust gas includes the second solvent, the switching mechanism is used to organic exhaust gas being oriented to second recovery unit
To be recycled to the second solvent in organic exhaust gas.
Optionally, the switching mechanism include the first valve, the second valve, the first branch pipe and the second branch pipe, described first
The air inlet of branch pipe is connected to the air inlet of second branch pipe so that organic exhaust gas enters, and the exhaust outlet of first branch pipe connects
Leading to the air inlet of first recovery unit, the exhaust outlet of second branch pipe is connected to the air inlet of second recovery unit,
First valve is located on first branch pipe to control the opening and closing of first branch pipe, and second valve is located at described the
To control the opening and closing of second branch pipe on two branch pipes.
Optionally, the switching mechanism includes switching valve, the first branch pipe and the second branch pipe, the exhaust outlet of first branch pipe
It is connected to the air inlet of first recovery unit, the exhaust outlet of second branch pipe is connected to the air inlet of second recovery unit
Mouthful, the switching valve by organic exhaust gas for being selectively oriented to first branch pipe or second branch pipe.
Optionally, the switch unit includes the first supervisor, the second supervisor and multiple switching mechanisms, first supervisor point
It is not connected to the exhaust outlet of the air inlet of first recovery unit and the first branch pipe of the multiple switching mechanism, second master
Pipe is respectively communicated with the exhaust outlet of the air inlet of second recovery unit and the second branch pipe of the multiple switching mechanism.
Optionally, the exhaust outlet connection of first recovery unit second supervisor.
Optionally, first recovery unit is the first recovery unit for recycling organic solvent soluble easily in water, described the
Two recovery units are the second recovery unit of the organic solvent that recycling is not readily dissolved in water.
Optionally, first recovery unit includes the water scrubber for recycling DMF, and second recovery unit includes using
In the adsorption tanks of recycling toluene.
A kind of air separator of oxygenerator, including：First recovery unit, the second recovery unit and switch unit, it is described to cut
It includes multiple switching mechanisms to change unit, and each switching mechanism is separately connected first recovery unit and the second recycling is single
Member, second recovery unit connect first recovery unit；
When the organic exhaust gas of the switching mechanism access includes the first solvent and the second solvent, the switching mechanism is used for will
Organic exhaust gas is oriented to first recovery unit, and first recovery unit and second recovery unit are successively respectively to organic
The first solvent and the second solvent in exhaust gas are recycled；
When the organic exhaust gas of the switching mechanism access includes the second solvent, the switching mechanism is used for organic waste conductance
To second recovery unit to be recycled to the second solvent in organic exhaust gas.
Optionally, including further including the first supervisor and the second supervisor, described first is responsible for described in connection the switch unit
The air inlet of first recovery unit, second supervisor are connected to the air inlet of second recovery unit, each switching machine
Structure be separately connected first supervisor and the second supervisor with selectively by the organic exhaust gas of each switching mechanism access from
The switching mechanism is oriented to first supervisor or the second supervisor.
Optionally, the exhaust outlet connection of first recovery unit second supervisor.
Optionally, first recovery unit is the first recovery unit for recycling organic solvent soluble easily in water, described the
Two recovery units are the second recovery unit of the organic solvent that recycling is not readily dissolved in water.
Optionally, first recovery unit includes the water scrubber for recycling DMF, and second recovery unit includes using
In the adsorption tanks of recycling toluene.
The second object of the present invention is realized using following technical scheme：
A kind of recovery method of organic exhaust gas, when organic exhaust gas includes the first solvent and the second solvent, switching mechanism will have
Machine exhaust gas is oriented to the first recovery unit, and first recovery unit will after being recycled to the first solvent in organic exhaust gas
Organic exhaust gas is arranged to the second recovery unit, and second recovery unit is recycled the second solvent in organic exhaust gas；
When organic exhaust gas includes the second solvent, switching mechanism is used to organic exhaust gas being oriented to second recovery unit with right
The second solvent in organic exhaust gas is recycled.
Optionally, the first solvent is organic solvent soluble easily in water, and the second solvent is the organic solvent for being not readily dissolved in water.
Optionally, the first solvent is DMF, and the second solvent is toluene.
A kind of recovery method of organic exhaust gas, each switching mechanism in multiple switching mechanisms are respectively connected to organic exhaust gas,
When the organic exhaust gas of switching mechanism access includes the first solvent and the second solvent, organic exhaust gas is oriented to the first recycling by switching mechanism
Unit, first recovery unit arrange organic exhaust gas to second time after being recycled to the first solvent in organic exhaust gas
Unit is received, second recovery unit is recycled the second solvent in organic exhaust gas；
When the organic exhaust gas of switching mechanism access includes the second solvent, switching mechanism is used to organic exhaust gas being oriented to described the
Two recovery units are to be recycled the second solvent in organic exhaust gas.
Optionally, when the organic exhaust gas of switching mechanism access includes the first solvent and the second solvent, switching mechanism will be organic
Exhaust gas is oriented to the first supervisor and collects heel row to the first recovery unit；
When the organic exhaust gas of switching mechanism access includes the second solvent, organic exhaust gas is oriented to the second supervisor and converged by switching mechanism
Collect heel row to the second recovery unit.
Optionally, the first solvent is organic solvent soluble easily in water, and the second solvent is the organic solvent for being not readily dissolved in water.
Optionally, the first solvent is DMF, and the second solvent is toluene.
Compared with prior art, the beneficial effects of the present invention are：
It can be selectively directing the first recycling list according to the composition of pending organic exhaust gas by the way that switch unit is arranged
Member or the second recovery unit, to flexibly handle organic exhaust gas, the practicability for improving air separator of oxygenerator has weight
The practical significance wanted.
Description of the drawings
Fig. 1 is the structural schematic diagram of the air separator of oxygenerator of one embodiment of the invention.
Fig. 2 is the structural schematic diagram of the air separator of oxygenerator of yet another embodiment of the invention.
Fig. 3 is the structural schematic diagram of the air separator of oxygenerator of yet another embodiment of the invention.
Fig. 4 is the structural schematic diagram of the air separator of oxygenerator of yet another embodiment of the invention.
Fig. 5 is the structural schematic diagram of the air separator of oxygenerator of yet another embodiment of the invention.
Fig. 6 is the structural schematic diagram of the air separator of oxygenerator of yet another embodiment of the invention.
Fig. 7 is the structural schematic diagram of the air separator of oxygenerator of yet another embodiment of the invention.
Fig. 8 is the front view of the pretreatment unit of the embodiment of the present invention.
Fig. 9 is the vertical view of the pretreatment unit of the embodiment of the present invention.
Figure 10 is the pretreatment unit of the embodiment of the present invention and the structural schematic diagram that switching mechanism is connect.
Figure 11 is the schematic cross-section of the organic solvent recovery unit of the embodiment of the present invention.
Figure 12 is the front view of the organic solvent recovery unit of the embodiment of the present invention.
Figure 13 is the vertical view of the spraying mechanism of the embodiment of the present invention.
Figure 14 is the woven hose of the spraying mechanism of the embodiment of the present invention and the structural schematic diagram that connecting tube is connect.
Figure 15 is the woven hose of the spraying mechanism of the embodiment of the present invention and the partial structural diagram that sparge pipe is connect.
Figure 16 is the radial cross section of the sparge pipe of the spraying mechanism of the embodiment of the present invention.
Figure 17 is the structural schematic diagram of existing liquid trap.
Figure 18 is the structural schematic diagram of the liquid trap of the embodiment of the present invention.
Figure 19 is the schematic cross-section of the liquid trap of the embodiment of the present invention.
Figure 20 is the structural schematic diagram of the folded plate of the embodiment of the present invention.
In figure：1, the first recovery unit；11, water scrubber；12, temperature adjustment is dried unit；13, cleaning solution purifier units；2,
Two recovery units；21, the first adsorption tanks；22, the second adsorption tanks；23, third adsorption tanks；24, separative element；3, switch unit；
31, the first switching mechanism；32, the second switching mechanism；33, third switching mechanism；34, the first supervisor；35, the second supervisor；301、
First valve；302, the second valve；303, the first branch pipe；304, the second branch pipe；305, switching valve；306, wind turbine；307, first
Ripple damping tube；308, the second ripple damping tube；4, pretreatment unit；41, the first pretreatment unit；42, the second pretreatment is single
Member；43, third pretreatment unit；401, drive end bearing bracket；402, rear end cap；403, filter screen；404, condenser；405, wind is cleaned
Case；406, cleaning steam pipeline；407, drip box；408, cleaning hole；409, direct hole；5, organic solvent recovery unit；51, it sprays
Drench mechanism；511, woven hose；512, sparge pipe；513, connecting tube；514, the first spray hole；515, the second spray hole；52, liquid collecting
Device；521, the first liquid collecting plate；5211, the first liquid barrier；5212, the first collecting tank；5213, the first extended segment；522, the second collection
Liquid plate；5221, the second liquid barrier；5222, the second collecting tank；5223, the second extended segment；523, collect pendular ring；53, demister；
531, silk screen layer；532, folded plate；533, silk screen layers of balls；54, filler；55, guard assembly；551, platform；552, cat ladder；56, shell
Body；561, the first process chamber；562, second processing room；563, third process chamber；564, fourth processing chamber.
Specific implementation mode
In the following, in conjunction with attached drawing and specific implementation mode, the present invention is described further, it should be noted that not
Under the premise of conflicting, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination
Example.
Referring to Fig.1, the air separator of oxygenerator of the present embodiment includes the first recovery unit 1, the second recovery unit 2 and cuts
Change unit 3.Optionally, air separator of oxygenerator further includes pretreatment unit 4, and the preprocessed flow direction of unit 4 of organic exhaust gas is cut
Change unit 3.Wherein, the first recovery unit 1 can be used for recycling the first solvent in organic exhaust gas, and the first solvent can be readily soluble
In the organic solvent of water, such as DMF；Second recovery unit 2 can be used for recycling the second solvent in organic exhaust gas, the second solvent
Can be not readily dissolved in the organic solvent of water, such as toluene.Organic exhaust gas to be recycled can contain the first solvent and the simultaneously
Two solvents can also only contain the second solvent.In other embodiments, the first solvent and the second solvent can be soluble in simultaneously
The organic solvent of water is the organic solvent for being not readily dissolved in water simultaneously, is returned respectively by the first recovery unit 1 and the second recovery unit 2
Receipts processing, the first recovery unit 1 can only be recycled the first solvent in organic exhaust gas and not to second in organic exhaust gas
Solvent has an impact, and the second recovery unit 2 can only be recycled the second solvent in organic exhaust gas.
Switch unit 3 includes switching mechanism, and switching mechanism is a kind of changement, and switching mechanism is separately connected the first recycling
Unit 1 and the second recovery unit 2 from switching mechanism by organic exhaust gas to be selectively oriented to the recycling of the first recovery unit 1 or second
Unit 2, the second recovery unit 2 connect the first recovery unit 1 to be recycled to the organic exhaust gas being discharged from the first recovery unit 1
Processing.
Containing the first solvent (such as DMF) soluble easily in water simultaneously with the organic exhaust gas of production line discharge and be not readily dissolved in water
For second solvent (such as toluene), which is oriented to the first recovery unit 1 by switching mechanism, by 1 He of the first recovery unit
Second recovery unit 2 successively respectively in organic exhaust gas the first solvent and the second solvent be recycled.Wherein, first time
It receives unit 1 and can be used for being recycled organic solvent soluble easily in water, the second recovery unit 2 can be used for being recycled less soluble
In the organic solvent of water.
By taking the organic exhaust gas of production line discharge only contains and is not readily dissolved in the second solvent (such as toluene) of water as an example, switching mechanism
The organic exhaust gas is oriented to the second recovery unit 2, only the second solvent in organic exhaust gas is recycled by the second recovery unit 2
Processing.
The air separator of oxygenerator of the present embodiment, can be according to pending organic exhaust gas by the way that switch unit 3 is arranged
Composition, the first recovery unit 1 or the second recovery unit 2 are selectively directing, to flexibly handling organic exhaust gas, for improving
The practicability of air separator of oxygenerator has important practical significance, it is only necessary to the organic waste handled by the second recovery unit 2
Gas simplifies processing procedure and reduces processing cost without the first recovery unit 1.
With reference to Fig. 2, the switching mechanism of the air separator of oxygenerator of the present embodiment includes the first valve 301, the second valve
302, the first branch pipe 303 and the second branch pipe 304.Wherein, the air inlet of the air inlet of the first branch pipe 303 and the second branch pipe 304 connects
It passes to and enters for organic exhaust gas, the exhaust outlet of the first branch pipe 303 is connected to the air inlet of the first recovery unit 1, the second branch pipe 304
Exhaust outlet is connected to the air inlet of the second recovery unit 2, and the first valve 301 is located on the first branch pipe 303 to control the first branch pipe 303
Opening and closing, the second valve 302 be located on the second branch pipe 304 with control the second branch pipe 304 opening and closing.Need switching mechanism selective
When organic exhaust gas is oriented to the first recovery unit 1 by ground, opens the first valve 301 and simultaneously close the second valve 302, organic exhaust gas is through the
One branch pipe 303 flows into the first recovery unit 1.When needing switching mechanism that organic exhaust gas is selectively oriented to the second recovery unit 2,
It opens the second valve 302 and closes the first valve 301, organic exhaust gas flows into the second recovery unit 2 through the second branch pipe 304.
With reference to Fig. 3, the switching mechanism of the air separator of oxygenerator of the present embodiment includes switching valve 305, the first branch pipe 303
With the second branch pipe 304.Wherein, the exhaust outlet of the first branch pipe 303 is connected to the air inlet of the first recovery unit 1, the second branch pipe 304
Exhaust outlet is connected to the air inlet of the second recovery unit 2, and switching valve 305 by organic exhaust gas for being selectively oriented to the first branch pipe
303 or second branch pipe 304.When needing switching mechanism that organic exhaust gas is selectively oriented to the first recovery unit 1, pass through switching valve
Organic exhaust gas is oriented to the first branch pipe 303 and flows into the first recovery unit 1 through the first branch pipe 303 by 305.Switching mechanism is needed to select
Property when organic exhaust gas is oriented to the second recovery unit 2, organic exhaust gas is oriented to by switching valve 305 and second branch pipe 304 and is passed through
Second branch pipe 304 flows into the second recovery unit 2.
With reference to Fig. 4, the switch unit 3 of the air separator of oxygenerator of the present embodiment includes multiple switching mechanisms, this implementation
Example is described so that switch unit 3 includes the first switching mechanism 31, the second switching mechanism 32 and third switching mechanism 33 as an example,
In, the first organic exhaust gas flows to the first switching mechanism 31 through the first pretreatment unit 41, and the second organic exhaust gas is through the second pretreatment
Unit 42 flows to the second switching mechanism 32, and third organic exhaust gas flows to third switching mechanism 33 through third pretreatment unit 43.Often
A switching mechanism is separately connected the first recovery unit 1 and the second recovery unit 2 selectively to access each switching mechanism
Organic exhaust gas is oriented to the first recovery unit 1 or the second recovery unit 2, the first recycling of the second recovery unit 2 connection from switching mechanism
Unit 1 is to be recycled the organic exhaust gas being discharged from the first recovery unit 1.The air separator of oxygenerator of the present embodiment
It can flexibly handle identical or form different organic exhaust gas by forming of being discharged of a plurality of production line, be returned for improving organic exhaust gas
The practicability of receiving apparatus has important practical significance.
With reference to Fig. 5, the switch unit 3 of the air separator of oxygenerator of the present embodiment is similar with the switch unit 3 in Fig. 4,
Difference lies in the switch unit 3 of the present embodiment further includes the first supervisor 34 and second supervisor 35,34 connection first of the first supervisor for it
The air inlet of recovery unit 1, the air inlets of 35 the second recovery units 2 of connection of the second supervisor, each switching mechanism are separately connected the
One supervisor 34 and the second supervisor 35 are oriented to first with the organic exhaust gas for selectively accessing each switching mechanism from switching mechanism
Supervisor 34 or the second supervisor 35.The air separator of oxygenerator of the present embodiment is responsible for 35 by the first supervisor of setting 34 and second,
The organic exhaust gas for not only contributing to make guiding the first recovery unit 1, the second recovery unit 2 is respectively by the first supervisor 34, second
Supervisor 35 is collected, and subsequent recovery processing is convenient for, and can be reduced and be connected to the first recovery unit 1, second recycling list
The pipeline of member 2 is convenient for the arrangement of pipeline, the connection of pipeline succinct, compact.
With reference to Fig. 6, the air separator of oxygenerator of the present embodiment is similar with the structure of the air separator of oxygenerator of Fig. 5,
Difference lies in the air separator of oxygenerator of the present embodiment, the exhaust outlet connection second of the first recovery unit 1 is responsible for 35 for it.
The air separator of oxygenerator of the present embodiment can be further reduced the pipeline being connected on the second recovery unit 2, the company of pipeline
It connects more succinct, compact.
Fig. 7 is the structural schematic diagram of the air separator of oxygenerator of yet another embodiment of the invention, organic exhaust gas recycling dress
It sets and can be used for handling the organic exhaust gas containing DMF and toluene or the only organic exhaust gas containing toluene, organic exhaust gas recycling dress
It sets including the first recovery unit 1, the second recovery unit 2 and switch unit 3, optionally, which further includes
Pretreatment unit 4, temperature adjustment dry unit 12, cleaning solution purifier units 13 and separative element 24.Wherein, the first recovery unit 1 wraps
Water scrubber 11 is included, the second recovery unit 2 includes the first adsorption tanks 21, the second adsorption tanks 22 and third adsorption tanks 23, and pretreatment is single
First 4 connection switching units 3, switch unit 3 connects water scrubber 11 simultaneously and the first adsorption tanks 21, the second adsorption tanks 22, third are inhaled
Attached tank 23, temperature adjustment, which is dried, unit 12 while connecting water scrubber 11 and the first adsorption tanks 21, the second adsorption tanks 22, third adsorption tanks 23
The first adsorption tanks 21, the second adsorption tanks 22, third absorption are oriented to after temperature adjustment is dried with the organic exhaust gas that water scrubber 11 is discharged
Tank 23, the cleaning solution that cleaning solution purifier units 13 are used to that water scrubber 11 be discharged carry out purification processes, and separative element 24 is used for pair
The desorption liquid that first adsorption tanks 21, the second adsorption tanks 22, third adsorption tanks 23 are discharged is detached and is purified.
By taking the processing procedure containing DMF and the organic exhaust gas of toluene as an example, the preprocessed flow direction of unit 4 switching of organic exhaust gas
Organic exhaust gas is oriented to water scrubber 11 by unit 3, switch unit 3, and water scrubber 11 elutes the DMF in organic exhaust gas, is washed
The washed purification of liquid purifier units 13 of liquid obtains DMF liquid, and the organic exhaust gas containing toluene that water scrubber 11 is discharged is gone through temperature adjustment
Enter adsorption tanks after wet unit 12, the activated carbon adsorption layer in adsorption tanks adsorbs toluene, tail gas discharge, activated carbon adsorption
Enter desorption program after layer adsorption saturation, desorption liquid enters separative element 24 and is isolated to toluene liquid.
By taking the processing procedure of the organic exhaust gas only containing toluene as an example, the preprocessed flow direction of unit 4 switching of organic exhaust gas is single
Member 3, organic exhaust gas is oriented to adsorption tanks by switch unit 3, and the activated carbon adsorption layer in adsorption tanks adsorbs toluene, tail gas row
Go out, desorption program is entered after activated carbon adsorption layer adsorption saturation, desorption liquid enters separative element 24 and is isolated to toluene liquid.
It should be noted that switching as shown in Figure 2 or Figure 3 may be used in the switching mechanism in Fig. 4, Fig. 5, Fig. 6 and Fig. 7
Mechanism.
Below in conjunction with the accompanying drawings to the pretreatment unit of the specific embodiment of the invention 4, switching mechanism, organic solvent recovery unit
5, spraying mechanism 51, liquid trap 52 are described.
With reference to Fig. 8 and Fig. 9, the pretreatment unit 4 for organic exhaust gas recycling includes the drive end bearing bracket entered for organic exhaust gas
401, rear end cap 402, filter screen 403, multiple condensers 404 and at least one cleaning bellows 405.
Wherein, drive end bearing bracket 401, multiple condensers 404 and rear end cap 402 are set gradually along the flow direction of organic exhaust gas,
The temperature of organic exhaust gas such as can be down to about 40 by multiple condensers 404 for reducing the temperature of organic exhaust gas from about 110 DEG C
DEG C, while multiple condensers 404 can also remove the oil of the silica gel in organic exhaust gas, each condenser 404 is equipped with cooling water inlet
And cooling water outlet, the cooling water after heat exchange can be reused.Preferably, pretreatment unit 4 further includes cleaning steam pipe
Line 406 and multiple drip boxs 407, cleaning steam pipeline 406 connect multiple condensers 404 to be cleaned to condenser 404, often
The lower section of a condenser 404 is correspondingly arranged there are one drip box 407, and multiple drip boxs 407 connect oil-drain pipe, are attached to condenser
The impurity such as the silica gel oil on 404 can fall off when cleaning steam pipeline 406 is cleaned from condenser 404, through 407 He of drip box
Oil-drain pipe is discharged, to keep the cleaning of condenser 404 and have higher heat exchange efficiency.
Filter screen 403 removes solid impurity, such as cloth hair impurity between drive end bearing bracket 401 and rear end cap 402.Preferably
Ground, filter screen 403 are removably disposed on drive end bearing bracket 401, which, which can facilitate, removes filter screen 403 afterwards clearly
It washes, improves its filter effect and service life, filter screen 403 is located at the side of neighbouring multiple condensers 404 of drive end bearing bracket 401,
First removing solid impurity can prevent solid impurity from arranging to condenser 404.Each cleaning bellows 405 are located at two neighboring condenser
To check and clean condenser 404 between 404, hollow-core construction may be used in cleaning bellows 405, and people can enter, and facilitate inspection
The clean situation of condenser 404, while condenser 404 can manually be cleaned without removing condenser 404.This implementation
The pretreatment unit 4 of example is integrated by filter screen 403, condenser 404 and cleaning bellows 405, is conducive to reduce hold facility
Space.
Optionally, drive end bearing bracket 401 and/or rear end cap 402 are equipped with cleaning hole 408, and people can be entered by cleaning hole 408
It is cleaned with the inside to pretreatment unit 4, it is convenient that impurity at drive end bearing bracket 401 and rear end cap 402 is cleared up.Front end
Lid 401 is equipped with direct hole 409, and in shutdown or maintenance, by opening direct hole 409, can facilitate will be in pretreatment unit 4
Gas empties, in order to subsequent operation.
Figure 10 is the structural schematic diagram that the pretreatment unit 4 of the embodiment of the present invention is connect with switching mechanism, the present embodiment
Switching mechanism includes the first valve 301, the second valve 302, the first branch pipe 303 and the second branch pipe 304.
Wherein, the air inlet of the air inlet of the first branch pipe 303 and the second branch pipe 304 is connected to so that organic exhaust gas enters, the
The exhaust outlet of one branch pipe 303 is used to be connected to the air inlet of the first recovery unit 1, and the exhaust outlet of the second branch pipe 304 is for connection the
The air inlet of two recovery units 2, the first valve 301 be located on the first branch pipe 303 with control the first branch pipe 303 opening and closing, second
Valve 302 is located on the second branch pipe 304 to control the opening and closing of the second branch pipe 304.
Referring to Fig.1 0, switch unit 3 further includes wind turbine 306, and the exhaust outlet of wind turbine 306 is connected to the air inlet of the first branch pipe 303
Mouthful and the second branch pipe 304 air inlet, by pretreatment unit 4, treated that organic exhaust gas arranges to the first branch pipe 303, second
Pipe 304.It is provided with the variable frequency adjustment device (not shown) for controlling air quantity on wind turbine 306, by the way that variable frequency adjustment device is arranged, makes wind
Machine 306 is more energy efficient and more accurately controls air quantity.Preferably, switch unit 3 further includes the first ripple damping tube 307 and the second ripple
Damping tube 308, the first ripple damping tube 307 are respectively communicated with the air inlet and second of the exhaust outlet of wind turbine 306, the first branch pipe 303
The air inlet of branch pipe 304, the second ripple damping tube 308 are connected to the air inlet of wind turbine 306, the first ripple damping tube 307 and second
Ripple damping tube 308 can be the stainless steel ripple vibration damping pipe of No leakage, by the way that the first ripple damping tube 307 and the second wave is arranged
Line damping tube 308 improves the resiliency of the air inlet of wind turbine 306 and the junction of exhaust outlet, prolongs the service life.
Preferably, the exhaust ports of wind turbine 306 are provided with the sealing valve of the exhaust orifice open/close for controlling wind turbine 306 (not
It shows).Sealing valve can be high-performance sealed dish valve, and it is other can to ensure that no organic exhaust gas pours in down a chimney back for mistake setting sealing valve together
The board being not keyed up.
In an alternative embodiment, the first valve 301 and the second valve 302 replace with switching valve 305, and switching valve 305 is used
It can be set to wind turbine 306 in organic exhaust gas is selectively oriented to the first branch pipe 303 or the second branch pipe 304, switching valve 305
The air inlet of exhaust outlet and the first branch pipe 303, the second branch pipe 304 air inlet between, the first branch pipe 303 can also be set to
The junction of the air inlet of air inlet and the second branch pipe 304.
1 and Figure 12 referring to Fig.1, organic solvent recovery unit 5 can be the water scrubbers 11 in Fig. 7.Organic solvent recycling is single
Member 5 includes shell 56 for recycling the organic solvent (such as DMF) soluble easily in water in organic exhaust gas, organic solvent recovery unit 5
With the spraying mechanism 51 and liquid trap 52 in shell 56, optionally, organic solvent recovery unit 5 further include demister 53,
Filler 54 and guard assembly 55.
Referring to Fig.1 1, in the present embodiment, shell 56 be divided into from bottom to top the first process chamber 561, second processing room 562,
Third process chamber 563 and fourth processing chamber 564, three liquid traps 52 are located at the bottom of second processing room 562, third processing
The bottom of room 563, the bottom of fourth processing chamber 564, the top of the first process chamber 561, the top of second processing room 562, third
The top of process chamber 563 and the top of fourth processing chamber 564 are respectively arranged with spraying mechanism 51, the first process chamber 561 to the 4th
Filler 54 can be respectively set in the bottom of process chamber 564, and filler 54, which is located at, each handles 52 top of indoor liquid trap, shell 56
Bottom be provided with for containing organic solvent organic exhaust gas enter air inlet (not shown), the top of shell 56, which is provided with, to be provided with
The exhaust outlet (not shown) of machine exhaust gas discharge.
Optionally, the bottom of shell 56 is equipped with for storing four that the first process chamber 561 to fourth processing chamber 564 is discharged
Cistern (not shown), three liquid traps 52 are respectively communicated with three cisterns, four cisterns respectively with four spraying mechanisms 51
Water cycle is constituted, known technology can be used in the structure and cistern and the connection structure of liquid trap 52, spraying mechanism 51 of cistern,
It will not be described here.
Referring to Fig.1 3 to Figure 16, spraying mechanism 51 includes woven hose 511 and multiple sparge pipes 512,512 edge of multiple sparge pipes
The length direction spacing side by side of woven hose 511 is arranged and is respectively communicated with woven hose 511, and each sparge pipe 512 is along sparge pipe 512
Length direction is provided with multiple spray holes.With it is existing using the spray equipment of screw spraying mode compared with, the spray of the present embodiment
Leaching mechanism 51 equably conveys liquid by woven hose 511 to multiple sparge pipes 512, and is sprayed by spray hole, this cloth liquid
The cloth liquid mode of pipe classification homogenizing, the liquid of sprinkling more uniformly, be not easy to splash and be atomized, have to be recycled in organic exhaust gas
The rate of recovery higher of solvent is not easy to be discharged from the exhaust outlet of shell 56.
In Figure 13, the tie point of each sparge pipe 512 and woven hose 511 is located at each sparge pipe 512 along its length
Midpoint keeps the amount of liquid that multiple spray holes in each sparge pipe 512 spray more uniform consistent.
Referring to Fig.1 4, spraying mechanism 51 further includes connecting tube 513, and connecting tube 513 is connected to woven hose 511 with to woven hose
Midpoint of the tie point of 511 supply liquid, connecting tube 513 and woven hose 511 adjacent to woven hose 511 along its length, to make
In woven hose 511 along its length everywhere in amount of liquid it is more uniform.In the present embodiment, connecting tube 513 is the company of U-shaped structure
The both ends of take over 513, connecting tube 513 are respectively communicated with woven hose 511, the both ends of connecting tube 513 and the tie point of woven hose 511 point
Not Wei Yu the midpoint of woven hose 511 along its length both sides, be provided with inlet on the tube body of connecting tube 513, can be by wearing
The inlet of pipeline connection connecting tube 513 of shell 56 is crossed to supply liquid to connecting tube 513.
Multiple spray holes of 5 and Figure 16 referring to Fig.1, sparge pipe 512 are divided into multigroup spray along the length direction of sparge pipe 512
Fluid apertures, every group of spray hole include the first spray hole 514 and the second spray hole 515 of the same radial section positioned at sparge pipe 512,
First spray hole 514 of every group of spray hole and the hydrojet direction of the second spray hole 515 are backwards to sparge pipe 512 and 511 shape of woven hose
At plane.The center of the line at the center of the first spray hole 514 and radial section and the second spray hole 515 and radial section
In an angle, in the present embodiment, which is acute angle to line shape, to ensure that the spraying mechanism 51 in shell 56 sprays downwards
Liquid.
Preferably, spray hole of the sparge pipe 512 of spraying mechanism 51 using different dimensions, wherein the first process chamber
The hydrojet bore dia of the sparge pipe 512 of 561 spraying mechanism 51 is more than second processing room 562, third process chamber 563 and the everywhere
The hydrojet bore dia of the sparge pipe 512 of the spraying mechanism 51 of room 564 is managed, organic exhaust gas is flowed from the bottom of shell 56 to top
In the process, the concentration of organic exhaust gas reduces step by step, and the sparge pipe 512 of the spraying mechanism 51 of the first process chamber 561 selects major diameter
Spray hole, the first process chamber 561 sprinkling amount of liquid it is big, the organic solvent to be recycled in organic exhaust gas is as possible at first
Reason room 561 is recycled, the hydrojet of the spraying mechanism 51 of second processing room 562, third process chamber 563 and fourth processing chamber 564
Pipe 512 selects the spray hole of minor diameter, the concentration of the amount of liquid and organic exhaust gas that make the sprinkling of spraying mechanism 51 to match, to
The liquid of sprinkling is set to be fully used.First spray hole 514 of the sparge pipe 512 of the spraying mechanism 51 of the first process chamber 561
When with a diameter of 7mm~8mm of the second spray hole 515, second processing room 562, third process chamber 563 and fourth processing chamber 564
Spraying mechanism 51 sparge pipe 512 the first spray hole 514 and the second spray hole 515 a diameter of 5mm~6mm when, sprinkling
Liquid be droplet-like, be not easy splash and be atomized, organic solvent recovery unit 5 have preferable organic efficiency.
8 and Figure 19 referring to Fig.1, liquid trap 52 is for for gas to pass through, and in the present embodiment, liquid trap 52 is located at organic solvent
In the shell 56 of recovery unit 5, for passing through for organic exhaust gas.Liquid trap 52 includes collection pendular ring 523, multiple first liquid collecting plates
521 and multiple second liquid collecting plates 522.
Multiple first liquid collecting plates 521 extend in a first direction in the horizontal plane and spacing side by side setting is with for gas to pass through,
Each first liquid collecting plate 521 includes the first liquid barrier 5211 and the first collecting tank 5212, and the first liquid barrier 5211 tilts upwards to be prolonged
It stretches, 5212 connected set pendular ring 523 of the first collecting tank is simultaneously located at the lower part of the first liquid barrier 5211 to converge from the first liquid barrier
5211 liquid flowed down.
Multiple second liquid collecting plates 522 extend in a first direction in the horizontal plane and spacing side by side setting is with for gas to pass through,
Each second liquid collecting plate 522 includes the second liquid barrier 5221 and the second collecting tank 5222, and the second liquid barrier 5221 tilts upwards to be prolonged
It stretches, 5222 connected set pendular ring 523 of the second collecting tank is simultaneously located at the lower part of the second liquid barrier 5221 to converge from the second liquid barrier
5221 liquid flowed down.
The inclined direction of first liquid barrier 5211 and the inclined direction of the second liquid barrier 5221 intersect, in other words, first gear
The inclined direction of non-parallel second liquid barrier of the inclined direction of liquid plate 5,211 5221 so that multiple first liquid collecting plates 521 and multiple
The gas of second liquid collecting plate 522 is not flowed toward same direction, the inclined direction all same with all water fenders of existing liquid trap
Setting compare, using the liquid trap 52 of the present embodiment, gas after liquid trap 52 toward same direction by will not flow, flowing side
To more disperseing, wall stream will not be formed, therefore the organic efficiency of organic solvent recovery unit 5 can be improved.
Preferably, the inclined direction of the first liquid barrier 5211 is vertical with the inclined direction of the second liquid barrier 5221, by more
The left side of the gas flow first direction of a first liquid collecting plate 521 passes through the gas flow first party of multiple second liquid collecting plates 522
To right side, so that the flow direction of gas is more disperseed, further increase the organic efficiency of organic solvent recovery unit 5.
Referring to Fig.1 9, the top of the first liquid barrier 5211 is located at the first collecting tank 5212 of the first adjacent liquid barrier 5211
Top, the top of the second liquid barrier 5221 is located at the top of the second collecting tank 5222 of the second adjacent liquid barrier 5221, protects
Demonstrate,proving the liquid to drip down can be collected by the first liquid collecting plate 521 and the second liquid collecting plate 522.
The top of first liquid barrier 5211 is provided with the first extended segment 5213, and the first extended segment 5213 is from the first liquid barrier
5211 top extends downwardly, and the lower end of the extended segment of the first liquid barrier 5211 is located at the first of the first adjacent liquid barrier 5211
The top of collecting tank 5212.The top of second liquid barrier 5221 is provided with the second extended segment 5223, and the second extended segment 5223 is from
The top of two liquid barriers 5221 extends downwardly, and the lower end of the extended segment of the second liquid barrier 5221 is located at the second adjacent liquid barrier
The top of 5221 the second collecting tank 5222.By the way that the first extended segment 5213 is arranged, the second extended segment 5223 is further ensured that drop
The liquid to get off can be collected by the first liquid collecting plate 521 and the second liquid collecting plate 522.
Referring to Fig.1 1, organic solvent recovery unit 5 includes multiple liquid traps 52, and multiple liquid traps 52 are setting up and down, adjacent
The first direction of two liquid traps 52 is respectively X-direction and Y-direction, and X-direction and Y-direction are intersected, preferably, X-direction and Y-direction
Vertically.For example, the first liquid collecting plate 521 and the second liquid collecting plate 522 of liquid trap 52 in second processing room 562 edge in the horizontal plane
North-south extends, and the first liquid collecting plate 521 and the second liquid collecting plate 522 of the liquid trap 52 in third process chamber 563 are in the horizontal plane
Extend along East and West direction, the first liquid collecting plate 521 and the second liquid collecting plate 522 that gas passes through the liquid trap 52 in second processing room 562
Substantially flow to the east side and west side in second processing room 562 respectively afterwards, gas passes through the liquid trap 52 in third process chamber 563
The southern side and north side in third process chamber 563 are substantially flowed to after first liquid collecting plate 521 and the second liquid collecting plate 522 respectively, it is above-mentioned to set
Be equipped be conducive to gas Uniform Flow and mixed flow in the shell 56 of organic solvent recovery unit 5, will not be only oriented towards side flowing and
Wall stream is formed, to improve organic efficiency.
1 and Figure 20 referring to Fig.1, demister 53 is located in shell 56 and the exhaust outlet of neighbouring shell 56, demister 53 include
Silk screen layer 531, folded plate 532 and the silk screen layers of balls 533 stacked successively from bottom to top, folded plate 532 are formed by connecting by multiple hang plates
And it is provided with multiple ventilation holes.In the demister 53, folded plate 532 can increase the contact area with gas, and wind speed is lower, folded plate
532 are conducive to liquid accumulation, form liquid and flow downward along folded plate 532, silk screen layer 531 and silk screen layers of balls 533 can remove
Foam, to improve the defogging effect of demister 53.
Referring to Fig.1 2, guard assembly 55 includes multiple platforms 551 and multiple cat ladders 552, and multiple platforms 551 are along shell 56
Short transverse is set in turn on the outer wall of shell 56, cat ladder 552 there are one settings between two neighboring platform 551, and adjacent two
Extending direction of a cat ladder 552 in the short transverse of shell 56 is staggered, and in other words, two neighboring cat ladder 552 is in shell 56
Extending direction in short transverse is not on the same line.Platform can also be further added between two neighboring platform 551
551.Compared with the design that existing all platforms 551 are each provided on a straight line and are connected by a cat ladder 552, this implementation
The distance between two neighboring platform 551 is smaller in the guard assembly 55 of example, will not directly be fallen when people falls from cat ladder 552
To the bottom of shell 56, but on the platform 551 of adjacent lower section, to improve safety.
It will be apparent to those skilled in the art that technical solution that can be as described above and design, make various other
Corresponding change and deformation, and all these changes and deformation should all belong to the protection domain of the claims in the present invention
Within.
Claims (29)
1. a kind of air separator of oxygenerator, which is characterized in that including：First recovery unit, the second recovery unit and switching are single
Member, the switch unit include switching mechanism, and the switching mechanism is separately connected first recovery unit and the second recycling is single
Member from the switching mechanism by organic exhaust gas to be selectively oriented to first recovery unit or the second recovery unit, and described the
Two recovery units connect first recovery unit, and first recovery unit and second recovery unit are respectively used to having
Different organic solvents in machine exhaust gas are recycled.
2. air separator of oxygenerator according to claim 1, which is characterized in that the switching mechanism includes the first valve
Door, the second valve, the first branch pipe and the second branch pipe, the air inlet of first branch pipe are connected to the air inlet of second branch pipe
So that organic exhaust gas enters, the exhaust outlet of first branch pipe is connected to the air inlet of first recovery unit, described second
The exhaust outlet of pipe is connected to the air inlet of second recovery unit, and first valve is located on first branch pipe to control
The opening and closing of the first branch pipe is stated, second valve is located on second branch pipe to control the opening and closing of second branch pipe.
3. air separator of oxygenerator according to claim 1, which is characterized in that the switching mechanism include switching valve,
First branch pipe and the second branch pipe, the exhaust outlet of first branch pipe are connected to the air inlet of first recovery unit, and described second
The exhaust outlet of branch pipe is connected to the air inlet of second recovery unit, and organic exhaust gas for being selectively oriented to by the switching valve
First branch pipe or second branch pipe.
4. air separator of oxygenerator according to claim 2 or 3, which is characterized in that the switch unit includes first
Supervisor, the second supervisor and multiple switching mechanisms, first supervisor are respectively communicated with air inlet and the institute of first recovery unit
The exhaust outlet of the first branch pipe of multiple switching mechanisms is stated, second supervisor is respectively communicated with the air inlet of second recovery unit
With the exhaust outlet of the second branch pipe of the multiple switching mechanism.
5. air separator of oxygenerator according to claim 4, which is characterized in that the exhaust outlet of first recovery unit
It is connected to second supervisor.
6. air separator of oxygenerator according to claim 1, which is characterized in that first recovery unit is that recycling is easy
It is dissolved in the first recovery unit of the organic solvent of water, second recovery unit is the of the organic solvent that recycling is not readily dissolved in water
Two recovery units.
7. a kind of air separator of oxygenerator, which is characterized in that including：First recovery unit, the second recovery unit and switching are single
Member, the switch unit include multiple switching mechanisms, and each switching mechanism is separately connected first recovery unit and the
Two recovery units from the switching mechanism by the organic exhaust gas of each switching mechanism access to be selectively oriented to described the
One recovery unit or the second recovery unit, second recovery unit connect first recovery unit, and first recycling is single
First and described second recovery unit is respectively used to be recycled the different organic solvents in organic exhaust gas.
8. air separator of oxygenerator according to claim 7, which is characterized in that the switch unit include further include the
One supervisor and the second supervisor, first supervisor are connected to the air inlet of first recovery unit, the second supervisor connection institute
The air inlet of the second recovery unit is stated, each switching mechanism is separately connected first supervisor and the second supervisor with selectivity
The organic exhaust gas of each switching mechanism access is oriented to first supervisor or the second supervisor by ground from the switching mechanism.
9. air separator of oxygenerator according to claim 8, which is characterized in that the exhaust outlet of first recovery unit
It is connected to second supervisor.
10. air separator of oxygenerator according to claim 7, which is characterized in that first recovery unit is recycling
First recovery unit of organic solvent soluble easily in water, second recovery unit are the organic solvent that recycling is not readily dissolved in water
Second recovery unit.
11. a kind of air separator of oxygenerator, which is characterized in that including：First recovery unit, the second recovery unit and switching are single
Member, the switch unit include switching mechanism, and the switching mechanism is separately connected first recovery unit and the second recycling is single
Member, second recovery unit connect first recovery unit；
When organic exhaust gas includes the first solvent and the second solvent, the switching mechanism is for organic exhaust gas to be oriented to described first time
Unit is received, first recovery unit and second recovery unit are successively respectively to the first solvent and second in organic exhaust gas
Solvent is recycled；
When organic exhaust gas includes the second solvent, the switching mechanism is used to organic exhaust gas being oriented to second recovery unit with right
The second solvent in organic exhaust gas is recycled.
12. air separator of oxygenerator according to claim 11, which is characterized in that the switching mechanism includes the first valve
Door, the second valve, the first branch pipe and the second branch pipe, the air inlet of first branch pipe are connected to the air inlet of second branch pipe
So that organic exhaust gas enters, the exhaust outlet of first branch pipe is connected to the air inlet of first recovery unit, described second
The exhaust outlet of pipe is connected to the air inlet of second recovery unit, and first valve is located on first branch pipe to control
The opening and closing of the first branch pipe is stated, second valve is located on second branch pipe to control the opening and closing of second branch pipe.
13. air separator of oxygenerator according to claim 11, which is characterized in that the switching mechanism includes switching
Valve, the first branch pipe and the second branch pipe, the exhaust outlet of first branch pipe are connected to the air inlet of first recovery unit, and described
The exhaust outlet of two branch pipes is connected to the air inlet of second recovery unit, and the switching valve is used for selectively by organic waste conductance
To first branch pipe or second branch pipe.
14. air separator of oxygenerator according to claim 12 or 13, which is characterized in that the switch unit includes the
One supervisor, second supervisor and multiple switching mechanisms, it is described first supervisor be respectively communicated with first recovery unit air inlet and
The exhaust outlet of first branch pipe of the multiple switching mechanism, second supervisor are respectively communicated with the air inlet of second recovery unit
The exhaust outlet of second branch pipe of mouth and the multiple switching mechanism.
15. air separator of oxygenerator according to claim 14, which is characterized in that the exhaust of first recovery unit
Mouth connection second supervisor.
16. air separator of oxygenerator according to claim 11, which is characterized in that first recovery unit is recycling
First recovery unit of organic solvent soluble easily in water, second recovery unit are the organic solvent that recycling is not readily dissolved in water
Second recovery unit.
17. air separator of oxygenerator according to claim 11, which is characterized in that first recovery unit includes using
In the water scrubber of recycling DMF, second recovery unit includes the adsorption tanks for recycling toluene.
18. a kind of air separator of oxygenerator, which is characterized in that including：First recovery unit, the second recovery unit and switching are single
Member, the switch unit include multiple switching mechanisms, and each switching mechanism is separately connected first recovery unit and the
Two recovery units, second recovery unit connect first recovery unit；
When the organic exhaust gas of the switching mechanism access includes the first solvent and the second solvent, the switching mechanism is used for will be organic
Exhaust gas is oriented to first recovery unit, and first recovery unit and second recovery unit are successively respectively to organic exhaust gas
In the first solvent and the second solvent be recycled；
When the organic exhaust gas of the switching mechanism access includes the second solvent, the switching mechanism is used to organic exhaust gas being oriented to institute
The second recovery unit is stated to be recycled to the second solvent in organic exhaust gas.
19. air separator of oxygenerator according to claim 18, which is characterized in that the switch unit includes further including
First supervisor and the second supervisor, first supervisor are connected to the air inlet of first recovery unit, the second supervisor connection
The air inlet of second recovery unit, each switching mechanism are separately connected first supervisor and the second supervisor to select
Property the organic exhaust gas of each switching mechanism access is oriented to first supervisor or the second supervisor from the switching mechanism.
20. air separator of oxygenerator according to claim 19, which is characterized in that the exhaust of first recovery unit
Mouth connection second supervisor.
21. air separator of oxygenerator according to claim 18, which is characterized in that first recovery unit is recycling
First recovery unit of organic solvent soluble easily in water, second recovery unit are the organic solvent that recycling is not readily dissolved in water
Second recovery unit.
22. air separator of oxygenerator according to claim 18, which is characterized in that first recovery unit includes using
In the water scrubber of recycling DMF, second recovery unit includes the adsorption tanks for recycling toluene.
23. a kind of recovery method of organic exhaust gas, which is characterized in that
When organic exhaust gas includes the first solvent and the second solvent, organic exhaust gas is oriented to the first recovery unit by switching mechanism, described
First recovery unit arranges organic exhaust gas to the second recovery unit, institute after being recycled to the first solvent in organic exhaust gas
The second recovery unit is stated to be recycled the second solvent in organic exhaust gas；
When organic exhaust gas includes the second solvent, switching mechanism is used to organic exhaust gas being oriented to second recovery unit with to organic
The second solvent in exhaust gas is recycled.
24. recovery method according to claim 23, which is characterized in that the first solvent is organic solvent soluble easily in water,
Second solvent is the organic solvent for being not readily dissolved in water.
25. recovery method according to claim 23, which is characterized in that the first solvent is DMF, and the second solvent is toluene.
26. a kind of recovery method of organic exhaust gas, which is characterized in that
Each switching mechanism in multiple switching mechanisms is respectively connected to organic exhaust gas, and the organic exhaust gas of switching mechanism access includes the
When one solvent and the second solvent, organic exhaust gas is oriented to the first recovery unit by switching mechanism, and first recovery unit is to organic
The first solvent in exhaust gas arranges organic exhaust gas to the second recovery unit after being recycled, and second recovery unit is to having
The second solvent in machine exhaust gas is recycled；
When the organic exhaust gas of switching mechanism access includes the second solvent, switching mechanism is for organic exhaust gas to be oriented to described second time
Unit is received to be recycled to the second solvent in organic exhaust gas.
27. recovery method according to claim 26, which is characterized in that the organic exhaust gas of switching mechanism access includes first
When solvent and the second solvent, organic exhaust gas is oriented to the first supervisor and collects heel row to the first recovery unit by switching mechanism；
When the organic exhaust gas of switching mechanism access includes the second solvent, after switching mechanism collects the second supervisor of organic exhaust gas guiding
It arranges to the second recovery unit.
28. recovery method according to claim 26, which is characterized in that the first solvent is organic solvent soluble easily in water,
Second solvent is the organic solvent for being not readily dissolved in water.
29. recovery method according to claim 26, which is characterized in that the first solvent is DMF, and the second solvent is toluene.
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| CN201810259101.9A CN108421368A (en) | 2018-03-27 | 2018-03-27 | The recovery method of air separator of oxygenerator and organic exhaust gas |
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| CN201810259101.9A CN108421368A (en) | 2018-03-27 | 2018-03-27 | The recovery method of air separator of oxygenerator and organic exhaust gas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112076584A (en) * | 2020-07-31 | 2020-12-15 | 苏州巨联环保有限公司 | High-temperature high-humidity gas whitening component and method and DMF (dimethyl formamide) and toluene recovery device |
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