CN108786376A - A kind of method and system of recycling volatile organic matter - Google Patents
A kind of method and system of recycling volatile organic matter Download PDFInfo
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- CN108786376A CN108786376A CN201710292220.XA CN201710292220A CN108786376A CN 108786376 A CN108786376 A CN 108786376A CN 201710292220 A CN201710292220 A CN 201710292220A CN 108786376 A CN108786376 A CN 108786376A
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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
- B01D53/14—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
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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
- B01D53/14—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
- B01D53/1425—Regeneration of liquid absorbents
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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
- B01D53/24—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 centrifugal force
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- 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
- B01D2257/708—Volatile organic compounds V.O.C.'s
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- Gas Separation By Absorption (AREA)
Abstract
This disclosure relates to a kind of method and system of recycling volatile organic matter, this method can effectively recycle the organic resources in discharge gas, reduce the secondary pollution of degradation process, using revolving bed device carry out absorption processing be conducive to absorbing liquid with discharge gas in volatile organic matter come into full contact with, absorption and separation efficiency can be significantly improved, increase the discharge gas disposal amount of device, reduces the concentration of volatile organic matter in outlet purified gas；Device volume and energy consumption can be significantly reduced under same treatment amount, improves device operating flexibility, reduce investment and operating cost；Using absorbing liquid circulation and regeneration technology, absorbing liquid dosage can be reduced, energy consumption is reduced, avoids secondary pollution.This method can efficiently separate recycling to the volatile organic matter in the discharge gas of different kinds and concentrations, the system of the disclosure has many advantages, such as that resource utilization is high, low energy consumption, treating capacity is big, and the system footprint area is small, operation is flexible and investment operating cost is low.
Description
Technical field
This disclosure relates to industrial discharge gas recycling field, and in particular, to it is a kind of recycling volatile organic matter method and
System.
Background technology
Volatile organic matter, full name are Volatile Organic Compounds (VOCs), it refers to satisfying at 25 DEG C
It is more than 70Pa with vapour pressure, boiling point is less than 260 DEG C of organic compound under normal pressure, includes mainly alkane, alkene, aromatic hydrocarbons, alcohol
Class, ethers, ketone and esters etc..
The discharge of VOCs is not only related to many petro chemical industries, manufacturing industry process, and is directed to daily routines.According to report
Road, VOCs have carcinogenic, teratogenesis and mutagenicity mostly to organism, moreover it is possible to participate in photochemical reaction, form photochemical pollution；
It is also simultaneously the important precursor for forming air particle (PM2.5), easily develops into haze weather when serious.Therefore, these
Potential risk causes most countries to formulate more stringent Law on Environmental Protection Laws & Regulations, forces petrochemical industry, processing and manufacturing enterprise
The industry discharge gas that process for producing device generates before exhaust gas discharge, makes its qualified discharge.
Currently, VOCs treatment technologies mainly have two class of recycling and edman degradation Edman.The VOCs discharge gas of low concentration is mainly adopted
With technologies such as edman degradation Edmans, including biodegradation, photocatalysis, catalysis burning, burning；The VOCs discharge gas of high concentration mainly uses back
Receipts method, including absorption and sorption, condensation and UF membrane.According to incompletely statistics, current China's industry VOCs annual emissions are 20,000,000
Ton or so, 85% or more the discharge unprocessed direct emission of gas, not only causes significant damage to environment, health, but also
It is a kind of huge wasting of resources.For petrochemical industry, coal chemical industry, VOCs concentration is generally in 100-2000g/m in discharge gas3It
Between, the mode that the prior art mostly uses greatly catalysis burning is handled, and the advantage for being catalyzed burning is that by the hydrocarbon conversion be dioxy
Change carbon and water, and byproduct steam, flow is simple, non-secondary pollution；It is disadvantageous in that catalyst production cost height, catalyst are easy
Poisoning and deactivation, specific aim is not strong, while also resulting in the waste of resource.
According to the prior art, although part handles or detached VOCs in discharge gas, it is difficult that solution treating capacity is small, exists
Secondary pollution, the problems such as device Operational Figure Of Merit is low, the operation cycle is short, serious waste of resources, high plant investment.
Invention content
Purpose of this disclosure is to provide a kind of method and system of recycling volatile organic matter, this method has the utilization of resources
The advantages that rate is high, low energy consumption, treating capacity is big, and the installation area of the system is small, operation is flexible and easily controllable.
To achieve the goals above, in a first aspect, the disclosure provides a kind of method of recycling volatile organic matter, this method
Include the following steps：Step a. makes the discharge gas containing volatile organic matter enter revolving bed absorbing separator, with absorbing liquid
Lean solution contact is absorbed, and discharge gas and the absorbing liquid rich solution containing volatile organic matter are purified；Step b. makes the suction
It receives liquid rich solution and enters regeneration of absorption solution device progress regeneration of absorption solution, obtain volatile organic matter concentrate and regenerable absorbent liquid；
Step c. makes the volatile organic matter concentrate enter liquid distributing device progress liquid separation, and the liquid lime set that is absorbed and volatility are organic
Object lime set；Step d. makes the regenerable absorbent liquid and the absorbing liquid lime set are back to as at least partly described absorbing liquid lean solution
The revolving bed absorbing separator carries out the absorption processing together with the absorbing liquid lean solution；Wherein, the absorbing liquid is again
Generating apparatus is cyclone hydraulic separators and/or whizzer.
Optionally, this method further includes：Before step a, the discharge gas containing volatile organic matter is made to be done
It is dry to remove water process.
Optionally, the regeneration of absorption solution device is cyclone hydraulic separators, and this method includes：The absorbing liquid rich solution is set to enter
The multiple cyclone hydraulic separators being sequentially connected in series carry out regeneration of absorption solution, obtain the second volatile organic matter lime set and regeneration
The number of absorbing liquid, the cyclone hydraulic separators is 2~4.
Optionally, this method includes：The discharge gas containing volatile organic matter is set to enter the multiple rotations being sequentially connected in series
Rotated bed absorbing separator is contacted with absorbing liquid lean solution and is absorbed, and obtains purification discharge gas and organic containing volatility
The absorbing liquid rich solution of object；The number of the revolving bed absorbing separator is 2~3.
Optionally, in the discharge gas molar content of volatile organic matter be 0.002%~10.0% preferably, it is described
The rotating speed of revolving bed absorbing separator is 500~4800 turns/min；Preferably, in the revolving bed absorbing separator, institute
The feed rate for stating absorbing liquid lean solution is 0.1~50m3The feed rate of/h, the discharge gas are 0.1~500000Nm3/h；It is excellent
The feeding temperature of selection of land, the absorbing liquid lean solution is 20~55 DEG C；Preferably, it is gentle to contain ionic liquid for the absorbing liquid lean solution
The weight ratio of erosion agent, the ionic liquid and corrosion inhibiter is 1：(0.00001~0.1).
Second aspect, the disclosure provide a kind of system of recycling volatile organic matter, which includes absorbing liquid entrance, row
Deflation entrance, revolving bed absorbing separator, regeneration of absorption solution device, liquid distributing device, purification row's bleeder holes and organic matter are solidifying
Liquid exports；The absorbing liquid entrance and the discharge gas entrance respectively with the liquid inlet of the revolving bed absorbing separator and
Gas access is connected to, and the liquid outlet of the revolving bed absorbing separator and the liquid inlet of the regeneration of absorption solution device connect
Logical, the gas vent of the revolving bed absorbing separator discharges gas outlet, the regeneration of absorption solution dress with the purification
The first liquid outlet set is connected to the absorbing liquid entrance, and the second liquid of the regeneration of absorption solution device exports and described point
The entrance of liquid device is connected to, and the first liquid outlet of the liquid distributing device is connected to the organic matter condensate outlet, the liquid separation
The second liquid outlet of device is connected to the liquid inlet of the revolving bed absorbing separator；Wherein, the regeneration of absorption solution
Device is cyclone hydraulic separators and/or whizzer.
Optionally, which further includes gas drier, and the entrance of the gas drier enters with the discharge gas
Mouth connection, the outlet of the gas drier is connected to the gas access of the revolving bed absorbing separator.
Optionally, the revolving bed absorbing separator includes an at least revolving bed separator, the revolving bed separation
Device includes surrounding the shell formed by radial seal plate, first axis sealing plate and the second axial sealing plate, rotation axis and is turned
Son；The shell of the revolving bed separator is equipped with gas access, liquid inlet, gas vent and liquid outlet；The gas
Entrance is tangentially-arranged on the radial seal plate, and the liquid inlet and the gas vent are coaxial along the rotating shaft direction
Mode is set on second axial sealing plate.
Optionally, the regeneration of absorption solution device includes one or multiple cyclone hydraulic separators for being sequentially connected in series, the multiple
The number of cyclone hydraulic separators is 2~4.
Optionally, which further includes absorbing liquid lean solution storage tank and/or absorbing liquid rich solution storage tank；The absorbing liquid lean solution storage
The entrance of tank is connected to the first liquid outlet of the absorbing liquid entrance and the regeneration of absorption solution device respectively, the absorbing liquid
The outlet of lean solution storage tank is connected to the liquid inlet of the revolving bed absorbing separator；The entrance of the absorbing liquid rich solution storage tank
It is connected to the liquid outlet of the revolving bed absorbing separator, the outlet of the absorbing liquid rich solution storage tank and the absorbing liquid are again
The liquid inlet of generating apparatus is connected to.
Compared with prior art, the method and system for the recycling volatile organic matter that the disclosure provides has the following advantages：
1, the volatile organic matter in industrial discharge gas is handled using method for separating and recovering effectively to return compared with edman degradation Edman
The resource in volatile organic matter has been received, the secondary pollution of degradation process is reduced；
2, volatile organic matter of the absorbing liquid in revolving bed device in absorption and separation discharge gas, is conducive to absorbing liquid and row
Volatile organic matter in deflation comes into full contact with, and can significantly improve absorption and separation efficiency, increases the discharge gas disposal amount of device,
Reduce the concentration of volatile organic matter in outlet purified gas；Compared with conventional recovery methods, processing same size discharges gas, can be with
It significantly reduces device volume and energy consumption, improve device operating flexibility, to reduce investment and operating cost；
3, absorbing liquid circular regeneration is carried out using cyclone hydraulic separators and/or whizzer, absorbing liquid dosage can be reduced,
Energy consumption is further decreased, secondary pollution is avoided；
4, wider to the volatile organic content scope of application in discharge gas, by select different types of absorbing liquid or
Adjust the service condition of revolving bed and whole device, can to the discharge gas of different volatile organic matter concentration and emission request into
Row separation and recovery；
5, have a wide range of application, the method and system for the recycling volatile organic matter that the disclosure provides not only can be adapted for stone
Oily chemical industry, coal clean utilization (coal gas, coal liquifaction, ammonia from coal, coal aromatic hydrocarbons etc.) industry, gas industry, environment
Protection, the industrial discharge gas that air is administered and related Manufacturing process generates, and daily routines are also applied for, such as：Interior Space
Gas purification, vehicle energy air purification etc..
Other feature and advantage of the disclosure will be described in detail in subsequent specific embodiment part.
Description of the drawings
Attached drawing is for providing further understanding of the disclosure, and a part for constitution instruction, with following tool
Body embodiment is used to explain the disclosure together, but does not constitute the limitation to the disclosure.In the accompanying drawings：
Fig. 1 is a kind of flow of specific implementation mode of the method and system for the recycling volatile organic matter that the disclosure provides
Schematic diagram；
Fig. 2 is the stream of another specific implementation mode of the method and system for the recycling volatile organic matter that the disclosure provides
Journey schematic diagram.
Fig. 3 is the stream of another specific implementation mode of the method and system for the recycling volatile organic matter that the disclosure provides
Journey schematic diagram.
Fig. 4 is the stream of another specific implementation mode of the method and system for the recycling volatile organic matter that the disclosure provides
Journey schematic diagram.
Fig. 5 is the stream of another specific implementation mode of the method and system for the recycling volatile organic matter that the disclosure provides
Journey schematic diagram.
Fig. 6 is that a kind of specific implementation mode of the method and system for the recycling volatile organic matter that the disclosure provides is used
Revolving bed separator sectional view.
Fig. 7 is that another specific implementation mode of the method and system for the recycling volatile organic matter that the disclosure provides is adopted
The sectional view of revolving bed separator.
Fig. 8 is that another specific implementation mode of the method and system for the recycling volatile organic matter that the disclosure provides is adopted
The sectional view of revolving bed separator.
Fig. 9 is that a kind of specific implementation mode of the method and system for the recycling volatile organic matter that the disclosure provides is used
Revolving bed separator structural schematic diagram.
Reference sign
1 revolving bed absorbing separator, 2 absorbing liquid rich solution storage tank
3 regeneration of absorption solution device, 4 first regenerable absorbent liquid storage tank
5 level-one water cooler, 6 absorbing liquid lean pump
7 first absorbing liquid rich solution pump, 8 level-one regenerable absorbent liquid pump
9 absorbing liquid lime sets pump 10 volatile organic matter lime sets pump
11 gas drier, 12 perforated baffle
13 deflector, 14 shell radial seal plate
15 the first rotor sealing plate, 16 first axis sealing plate
17 rotation axis, 18 rotor radial perforated baffle
19 second axial sealing plate, 20 second rotor seal plate
21 gas vent, 22 liquid inlet
23 rotor, 24 absorbing liquid lean solution storage tank
25 discharge aspiration cavity, 26 liquid outlet
27 gas access, 28 two level cyclone hydraulic separators
29 three-level cyclone hydraulic separators, 30 second regenerable absorbent liquid storage tank
31 third regenerable absorbent liquid storage tank, 32 secondary regenerator absorbing liquid pump
33 second absorbing liquid rich solution storage tank, 34 second absorbing liquid rich solution pump
35 two-stage water-cooling device, 36 second revolving bed separator
37 liquid distributing device, 38 three-level regenerable absorbent liquid pump
The 42 discharge purification discharge gas of gas 43
44 absorbing liquid lean solution, 45 fixed gas
46 volatile organic matter lime set, 47 absorbing liquid rich solution.
Specific implementation mode
The specific implementation mode of the disclosure is described in detail below in conjunction with attached drawing.It should be understood that this place is retouched
The specific implementation mode stated is only used for describing and explaining the disclosure, is not limited to the disclosure.
In the disclosure, in the absence of explanation to the contrary, the noun of locality used such as "upper", "lower" typically refers to device
It is upper and lower under normal operating condition, specifically refer to the page of Fig. 1." inside and outside " refer to relative to device profile and
Speech.In addition, term " first ", " second " are used for description purposes only, be not understood to indicate or imply relative importance or
Person implicitly indicates the quantity of indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed or hidden
Include one or more this feature containing ground.In the description of the present invention, the meaning of " plurality " is two or more, remove
It is non-separately to have clearly specific restriction.
The disclosure in a first aspect, provide it is a kind of recycling volatile organic matter method, this method comprises the following steps：Step
Rapid a. makes the discharge gas containing volatile organic matter enter revolving bed absorbing separator, contacts and is inhaled with absorbing liquid lean solution
It receives, is purified discharge gas and the absorbing liquid rich solution containing volatile organic matter；Step b. makes the absorbing liquid rich solution enter suction
It receives liquid regenerating unit and carries out regeneration of absorption solution, obtain volatile organic matter concentrate and regenerable absorbent liquid；Step c. makes described wave
Hair property organic matter concentrate enters liquid distributing device and carries out liquid separation, the liquid lime set that is absorbed and volatile organic matter lime set；Step d.
Make the regenerable absorbent liquid and the absorbing liquid lime set be back to the revolving bed as at least partly described absorbing liquid lean solution to inhale
It receives separator and carries out the absorption processing together with the absorbing liquid lean solution；Wherein, the regeneration of absorption solution device is spinning liquid
Separator and/or whizzer.
The method of the recycling volatile organic matter of the disclosure can effectively recycle the organic resources in discharge gas, reduce drop
The secondary pollution of solution preocess, using revolving bed device carry out absorption processing be conducive to absorbing liquid with discharge gas in volatility it is organic
Object comes into full contact with, and can significantly improve absorption and separation efficiency, increases the discharge gas disposal amount of device, reduces and is waved in outlet purified gas
The concentration of hair property organic matter；In the case where handling same size discharge gas, device volume and energy consumption, raising can be significantly reduced
Device operating flexibility, to reduce investment and operating cost；It is inhaled simultaneously using cyclone hydraulic separators and/or whizzer
Liquid circular regeneration is received, absorbing liquid dosage can be reduced, further decrease energy consumption, avoid secondary pollution.
According to the disclosure, discharge gas can be from petro chemical industry, coal clean utilization (coal gas, coal liquifaction, coal system
Methanol, coal aromatic hydrocarbons etc.) industry, gas industry, environmental protection, air administer and related Manufacturing during discharge tail
Gas, or be interior air to be clean, interior air to be clean etc..
According to the disclosure, the volatile organic matter, the volatility being primarily referred to as in petrochemical industry, coal chemical industry emission
Organic matter, saturated vapor pressure is more than 70Pa at 25 DEG C, and boiling point is less than 260 DEG C of organic compound under normal pressure, includes mainly
Alkane, alkene, aromatic hydrocarbons, alcohols, ethers, ketone and esters etc., total concentration ranging from tens arrive thousands of ppm.It is waved in discharge gas
Hair property organic matter molar content can be 0.002%~10.0%, preferably 0.03%~5%, more preferably 0.25%~
1%.
According to the disclosure, revolving bed absorbing separator 1 may include revolving bed separator, and revolving bed separator can be
This field conventional structure form, for example, vertical rotating bed separator or horizontal rotary bed separator.It can be according to the practical feelings in scene
Condition such as free space size is selected, and the disclosure is not particularly limited.
According to the disclosure, the operating condition of the revolving bed absorbing separator 1 can change in wide range, in order to
Absorbing liquid lean solution absorption efficiency is improved, under preferable case, the rotating speed of revolving bed absorbing separator 1 can be 500~4800 turns/
Min, preferably 1000~3600 turns/min；The operating pressure of revolving bed absorbing separator 1 can be 0~10.0MPaG, into
One step, more preferably operating pressure ranging from 0~1.0MPaG, further, optimal opereating specification is 0.02~
0.5MPaG；Absorbing liquid lean solution and discharge gas feed rate can change in wide range, it is preferable that absorbing liquid lean solution into
Stream amount can be 0.1~50m3/ h, preferably 1~5m3/ h, the feed rate for discharging gas can be 0.1~500000Nm3/ h,
Preferably 1~200000Nm3/ h, " Nm3The meaning of/h " is well known to those skilled in the art, i.e. nominal condition (Nominal
Condition per hour, " N " indicates nominal condition to cubic meter, and nominal condition refers to 1 standard atmospheric pressure, temperature 0 under)
DEG C, relative humidity 0%；It is further preferred that the volume of volatile organic matter and the weight ratio of absorbing liquid can be in discharge gas
For (1~1000000)：1, preferably (1~100000)：1.
According to the disclosure, in order to further increase absorption efficiency of the absorbing liquid lean solution to volatile organic matter, in the disclosure
A kind of specific implementation mode in, this method may include：The entrance of the discharge gas containing volatile organic matter is set to be sequentially connected in series
Multiple revolving bed absorbing separators, contact with absorbing liquid lean solution and are absorbed, and are purified discharge gas and have containing volatility
The absorbing liquid rich solution of machine object；The number of revolving bed absorbing separator is preferably 2~3.
According to the disclosure, in order to improve the organic efficiency of volatile organic matter, the temperature of the absorbing liquid lean solution is not higher than
Arrange discharge temperature.Further, in order to improve the service life cycle of absorbing liquid, the temperature for discharging gas is generally not more than 250 DEG C.
In order to further increase the absorption efficiency of volatile organic matter, the feeding temperature of absorbing liquid lean solution can be 20~55 DEG C, preferably
It is 25~40 DEG C.It is highly preferred that discharge gas can be made to carry out absorption processing into revolving bed absorbing separator after cooling, arrange
Deflating can further promote volatile organic matter absorbed liquid lean solution effectively to absorb through cooling processing, improve absorption efficiency；Row
The temperature after cooling of deflating is preferably -15 DEG C~40 DEG C.
In a kind of specific implementation mode of the disclosure, this method may include：Before step a, make containing volatility
The discharge gas of organic matter is dried except water process.As shown in Figure 1, described can be in gas drier 11 except water process
It carries out, the moisture carried in gas is discharged with removing, raising absorbing liquid lean solution absorbs the ability of volatile organic matter and extends and absorbs
Liquid recycles the period, and moisture can be less than 1000ppm in the discharge gas after dry remove water, gas drier 11
Quantity and scale, depending on actual conditions, the drier of selection is well-known to those skilled in the art, and the present invention is no longer superfluous
It states.
In the disclosure preferably a kind of specific implementation mode, regeneration of absorption solution device is cyclone hydraulic separators, and this method can
To include：So that absorbing liquid rich solution is entered the multiple cyclone hydraulic separators being sequentially connected in series and carry out regeneration of absorption solution, obtains the second volatility
The number of organic matter lime set and regenerable absorbent liquid, cyclone hydraulic separators can be 2~4.In this embodiment, contain volatilization
Property organic matter absorbing liquid rich solution by multiple cyclone hydraulic separators carry out multi-stage regenerable after, further can thoroughly remove volatility
Organic matter, the liquid lean solution that is absorbed return to revolving bed absorption plant and continue absorption processing.
According to the disclosure, the absorbing liquid lean solution can contain ionic liquid and corrosion inhibiter, the ionic liquid and inhibition
Agent is well known to those skilled in the art, and the disclosure does not limit specific type, for example, ionic liquid includes but is not limited to
Imidazoles, pyridines, alkylsurfuric acid salt ionic liquid can be selected from 1- butyl -3- methylimidazole hexafluorophosphates
([bmim][PF6]), 1- (3- Propylaminos) -3- butyl imidazoles hexafluorophosphates ([apbim] [PF6]), 1- butyl -2,3- diformazans
Base limidazolium hexafluorophosphate ([bmmim] [PF6]), proline oxycholine salt ([Choline] [Pro]), 1- (3- Propylaminos)-
3- butyl imidazoles tetrafluoroborate ([apbim] [BF4]), 1- butyl -3- methyl imidazolium tetrafluoroborates ([bmim] [BF4])、1-
Butyl -2,3- methylimidazoles tetrafluoroborate ([bmmim] [BF4]), 1- ethyl-3-methylimidazole bis trifluoromethyls sulphonyl it is sub-
Amine salt ([emim] [Tf2N]) and 1- ethyl -2,3- methylimidazole bis trifluoromethyls sulfimide salts ([emmim] [Tf2N])、
Double trifluoro methylsulphur inferior amine salt ([the apbim] [Tf of 1- (3- Propylaminos) -3- butyl imidazoles2N]) and 1- (1- aminopropyls) -3- methyl
Imidazoles bromide ([NH2One or more of p-mim] [Br])；Corrosion inhibiter can be selected from potassium metavanadate, potassium vanadate, five oxidations
One or more of two vanadium, antimony pentaoxide, antimony oxide, four three antimony of oxidation, tartaric acid oxygen antimony sodium and potassium antimonyl tartrate,
Preferably vanadium compounds such as one or more of potassium metavanadate, potassium vanadate and vanadic anhydride, most preferably potassium metavanadate.
The relative amount of ionic liquid and corrosion inhibiter can be the normal ranges of this field, it is preferable that the weight of ionic liquid and corrosion inhibiter
Amount is than being 1：(0.00001~0.1), more preferably 1：(0.001-0.01).
Second aspect, the disclosure provide a kind of system of recycling volatile organic matter, which includes absorbing liquid entrance, row
Deflation entrance, revolving bed absorbing separator 1, regeneration of absorption solution device 3, liquid distributing device 37, purification row's bleeder holes and organic
Object condensate outlet；The absorbing liquid entrance and the discharge gas entrance liquid with the revolving bed absorbing separator 1 respectively
Entrance is connected to gas access, the liquid of the liquid outlet of the revolving bed absorbing separator 1 and the regeneration of absorption solution device 3
Body entrance is connected to, and the gas vent of the revolving bed absorbing separator 1 discharges gas outlet, the absorption with the purification
First liquid outlet of liquid regenerating unit 3 is connected to the absorbing liquid entrance, and the second liquid of the regeneration of absorption solution device 3 goes out
Mouth is connected to the entrance of the liquid distributing device 37, and the first liquid outlet of the liquid distributing device connects with the organic matter condensate outlet
Logical, the second liquid outlet of the liquid distributing device 37 is connected to the liquid inlet of the revolving bed absorbing separator 1；Wherein,
The regeneration of absorption solution device 3 is cyclone hydraulic separators and/or whizzer.
The system of the recycling volatile organic matter of the disclosure has many advantages, such as that resource utilization is high, low energy consumption, treating capacity is big,
And the system footprint area is small, operation is flexible and investment operating cost is low.
It improves absorbing liquid lean solution in order to remove the moisture carried in discharge gas according to the disclosure and absorbs volatile organic matter
Ability and extend absorbing liquid recycle the period, the system can also include gas drier 11, gas drier 11
Entrance can with discharge gas entrance be connected to, the outlet of gas drier 11 can be with the gas of revolving bed absorbing separator 1
Body entrance is connected to.Moisture can be less than 1000ppm, gas drier 11 in row's bleed air exhaust gas after dry remove water
Quantity and scale, depending on actual conditions, the drier of selection is well-known to those skilled in the art, and the present invention is no longer
It repeats.
As shown in figure 9, in the disclosure preferably a kind of specific implementation mode, revolving bed separator may include by shell
Radial seal plate 14, first axis sealing plate 16 and the second axial sealing plate 19 surround the shell formed, rotation axis 17 and turn
Son 23；Gas access 27, liquid inlet 22, gas vent 21 and liquid outlet can be equipped on the shell of revolving bed separator
26；In order to realize that being uniformly distributed for absorbing liquid, gas access 27 can be tangentially-arranged on shell radial seal plate 14, liquid enters
Mouth 22 and gas vent 21 can be set to along 17 direction coaxial manner of rotation axis on the second axial sealing plate 19；It is further excellent
Selection of land, gas vent 21, liquid inlet 22 be located at be provided on rotor region tube wall for fluid by duct, hole road shape,
Size and percent opening do not do specifically limited, as long as matching with treating capacity, meet drop requirements.
Shell is washed away in order to reduce absorbing liquid lean solution, especially washing away to shell radial seal plate 14, in shell
14 inside of radial seal plate, is also provided with a perforated baffle 12 coaxial with rotation axis.As the case may be, institute is set
The quantity of perforated baffle 12, no more than 15 layers of perforated baffle 12 are stated, 12 hole shape of perforated baffle, size and percent opening are not
It does specifically limited；According to the present invention, in order to be further reduced absorbing liquid washing away to shell radial seal plate 14, perforated baffle 12
Be additionally provided with equally distributed deflector 13 close to 23 side of rotor, deflector 13 can be straight panel, one kind in corrugated plating or its
Combination, it is not specially provided herein.
According to the disclosure, rotation axis 17 can be to be fixedly connected with rotor 23.The power of revolving bed separator can be with source
In motor, motor output shaft is fixedly connected with rotation axis 17, ranging from 500~4800 revs/min of motor rotation frequency.Rotor 23 wraps
Sealing plate containing the first rotor 15, the second rotor seal plate 20.Rotor radial perforated baffle 18, in order to increase gas-liquid be in contact it is several
Rate, improves liquid phase mixed effect, can be filled with silk screen in rotor 23, silk screen can be woven wire, ceramic silk screen or
High molecular material silk screen, herein without particular provisions, as long as meet mechanical strength, not with absorbing liquid or discharge gas chemically react
?.As the case may be, conventional heap filler, structured packing, one kind in silk screen or combination, institute can also be loaded in rotor 23
Conventional heap filler, structured packing are stated, is known to those skilled in the art, the disclosure repeats no more.
According to the disclosure, the basic principle that absorbing liquid lean solution absorbs volatile organic matter in revolving bed separator is：When
After absorbing liquid enters rotor 23 from liquid inlet 22, absorbing liquid is dispersed into micro- by high-speed rotating rotor 23 under the action of the centrifugal force
Droplet, discharge gas tangentially enter revolving bed separator from gas access 27, continue across the entrance of rotor radial perforated baffle 18
Rotor 23 equipped with woven wire, discharge gas are inversely contacted with absorbing liquid in rotor 23, and absorbing liquid lean solution absorbs in discharge gas
Volatile organic matter, absorbing liquid lean solution outside high-speed motion under the action of the centrifugal force, during the motion, absorbing liquid is constantly more
New droplet surface, continuous selective absorbing volatile organic matter are organic to reach volatility in raising absorbing liquid absorption gas phase
The purpose of object.In addition, after the discharge gas for being absorbed volatile organic matter leaves rotor, into discharge aspiration cavity 25.
In the cavity, the absorbing liquid ejected inversely contacts again with the discharge gas for entering cavity, and selective absorbing is unabsorbed
Volatile organic matter.Finally, purified purification discharge gas leaves revolving bed separator from gas vent 21, to reach recycling
The purpose of volatile organic matter.
According to the disclosure, regeneration of absorption solution device is for detaching the volatile organic matter being dissolved in absorbing liquid rich solution.Institute
It can be cyclone hydraulic separators and/or whizzer, preferably cyclone hydraulic separators to state regeneration of absorption solution device.The one of the disclosure
In kind of specific implementation mode, regeneration of absorption solution device 3 may include one or multiple cyclone hydraulic separators for being sequentially connected in series, Duo Gexuan
The number of liquid/gas separator is preferably 2~4.In this embodiment, the absorbing liquid rich solution containing volatile organic matter passes through
After multiple cyclone hydraulic separators carry out multi-stage regenerable, volatile organic matter further can be thoroughly removed, the liquid lean solution that is absorbed is returned
Convolution rotated bed absorption plant continues absorption processing.
According to the disclosure, the volatility that liquid distributing device 37 is used to recycle in the gas phase of regeneration of absorption solution device submitting is organic
Object.Liquid distributing device 37 may include liquid separation tank, can be through the isolated absorption of liquid separation tank from the gas phase of regeneration of absorption solution device 3
Liquid lime set and volatile organic matter lime set.Liquid distributing device 37 may include that liquid inlet, the first liquid outlet and second liquid go out
Mouthful
Promote the absorption of absorbing liquid according to the disclosure for the ease of adjusting the temperature of absorbing liquid rich solution and absorbing liquid lean solution
And regeneration, it is preferable that the system of the disclosure can also include heat-exchanger rig, such as heat exchanger and/or cooler, and heat exchanger can be with
For in the conventional kind of this field, such as fixed tube-sheet exchanger, U-tube heat exchanger, movable tube sheets heat exchanger and air cooler
It is at least one.
According to the disclosure, for the ease of controlling absorbing liquid circular flow, which can also include absorbing liquid lean solution storage tank
24, the first liquid outlet that the entrance of absorbing liquid lean solution storage tank 24 can respectively with absorbing liquid entrance and regeneration of absorption solution device 3
Connection, the outlet of absorbing liquid lean solution storage tank 24 can be connected to the liquid inlet of revolving bed absorbing separator 1.
According to the disclosure, for the ease of adjusting the flow that absorbing liquid rich solution enters regenerating unit, it is preferable that the system may be used also
To include absorbing liquid rich solution storage tank 2, the entrance of absorbing liquid rich solution storage tank 2 can be with the liquid discharge of revolving bed absorbing separator 1
Mouth connection, the outlet of absorbing liquid rich solution storage tank 2 can be connected to the liquid inlet of regeneration of absorption solution device 3.
Wherein, the form of absorbing liquid lean solution storage tank 24 and absorbing liquid rich solution storage tank 2 does not limit, and can be the art
Known to personnel such as at least one of horizontal tank, vertical storage tank and spherical tank.
It is further illustrated the present invention by embodiment below in conjunction with attached drawing, but therefore the present invention is not taken office
What is limited.
Embodiment 1
It is as shown in Figure 1 in the flow diagram that the present embodiment uses.Revolving bed absorbing separator 1 is using such as Fig. 6 and Fig. 9
Shown in vertical rotating bed separator, there are one the gas access 27 of discharge gas, bottoms for setting at the top of vertical rotating bed separator
Liquid outlet 26 there are one absorbing liquid rich solution is set, and absorbing liquid rich solution is directly entered absorbing liquid rich solution storage tank 2 by gravity flow and (crouches
Formula storage tank), absorbing liquid rich solution, which is pumped to by rich solution pump 7 after level-one water cooler 5 is cooled down, enters regeneration of absorption solution device 3
(level-one cyclone hydraulic separators) is cooled down twice absorbing liquid into two-stage water-cooling device 35 after level-one rotary filter press, then into
Enter two level cyclone hydraulic separators 28 and carry out two level rotary filter press, the regenerable absorbent liquid isolated from cyclone hydraulic separators bottom respectively enters
After first regenerable absorbent liquid storage tank 4 and the second regenerable absorbent liquid storage tank 30, then pass through level-one regenerable absorbent liquid pump 8, two level respectively
Regenerable absorbent liquid pump 32 is sent to absorbing liquid lean solution storage tank 24, and the liquid isolated from 28 top of two level cyclone hydraulic separators enters liquid separation
Device 37 (volatile organic matter lime set liquid separation storage tank), volatile organic matter lime set liquid separation tank bottom are arranged there are one water packet,
Liquid liquid layering is carried out, the lime set obtained in water packet is sent to absorbing liquid lean solution storage tank 24 by absorbing liquid lime set pump 9, and supernatant liquid is
To recycle obtained volatile organic matter lime set, 10 carrying devices are pumped through volatile organic matter lime set.It discharges gas and uses this implementation
The method that example provides first absorbs volatile organic matter using absorbing liquid in revolving bed separator, then passes through cyclone hydraulic separators pair
It absorbs rich solution and carries out Phase separation processing, not only realize absorbing liquid circular regeneration, and the volatility of absorption can also be isolated
Organic matter lime set, Resource recovery reduce environmental pollutant discharge.
The present embodiment is applied to coal chemical technology.Discharge gas is that broken coal gasification low-temp methanol washes CO2Periodic off-gases, periodic off-gases group
At and technological parameter be shown in Table 1.Absorbing liquid is compound ion liquid, consisting of：1-hexyl-3methylimidazolium
hexafluorophosphate[hmim][PF6] 100 parts by weight, 1-hexyl-3methylimidazolium
tetrafluoroborate[hmim][BF4] 100 parts by weight, 1,3-dimethylimidazolium chloride [mmim]
[Cl] 70 parts by weight, 1-ethyl-3-methylimidazolium bis { (trifluoromethyl) sulfonyl } imide
[emim][NTf2] 25 parts by weight, 2 parts by weight of potassium metavanadate.
1 periodic off-gases of table form and technological parameter
| Serial number | Component | V% |
| 1 | CO2 | 90.96% |
| 2 | CO | 0.17% |
| 3 | H2 | 0.04% |
| 4 | N2 | 13.05% |
| 5 | CH4 | 0.09% |
| 6 | CmHn | 0.75% |
| 7 | H2O | 0.94% |
| 8 | Total sulfur | 25ppm |
| 9 | Methanol | 75ppm |
| It is total | 100.00 | |
| Total amount, Nm3/h | 80000 | |
| Temperature, DEG C | 30 | |
| Pressure, kPaG | 40 |
As shown in Figure 1, the TREATMENT OF VOCs system and method flow of the present embodiment：
A. by 35 DEG C, 40kPaG, flow 80000Nm3/ h contains volatile organic matter (CmHn) volume fraction be 0.75%
CO2Periodic off-gases, first pass through gas drier 11, remove the moisture in periodic off-gases, and moisture during dry heel row is deflated ≯
780ppm.Periodic off-gases after drying are sent into the discharge gas entrance 27 of the revolving bed separator 1, by absorbing liquid through absorbing liquid lean solution
Pump 6 is sent into liquid inlet 22, and absorbing liquid feed rate is 6500kg/h；Absorbing liquid enters after liquid inlet 22 is uniformly distributed
It is adjusted to the revolving bed of 2800 revs/min of rotating speeds, under the influence of centrifugal force, absorbing liquid does centrifugal movement around by center；
B. the absorbing liquid rich solution for absorbing volatile organic matter enters absorbing liquid rich solution from the gravity flow of revolving bed separator bottom
Storage tank 2, the purification discharge gas for being stripped of volatile organic matter go out device, volatile organic matter (C in purified gasmHn) volume fraction
It is 0.07%, the rate of recovery of volatile organic matter reaches 91%；Contained absorbing liquid weight percent in volatile organic matter lime set
It is 2.6%；
C. absorbing liquid rich solution passes through the first absorbing liquid rich solution pump 7, is pumped into (the level-one rotary filter press of regeneration of absorption solution device 3
Device), two level cyclone hydraulic separators 28, into two level cyclone hydraulic separators 28 before to be utilized respectively level-one water cooler 5, two-stage water-cooling device 35 right
Absorbing liquid carries out being cooled to ≯ 32 DEG C respectively, and the regenerable absorbent liquid isolated from cyclone hydraulic separators bottom respectively enters the first regeneration
After absorbing liquid storage tank 4 and the second regenerable absorbent liquid storage tank 30, then pass through level-one regenerable absorbent liquid pump 8, secondary regenerator absorption respectively
Liquid pump 32 is sent to absorbing liquid lean solution storage tank 24；
D. the liquid that 28 top of two level cyclone hydraulic separators is isolated enters volatile organic matter lime set liquid separation storage tank, and (liquid separation fills
It sets 37), there are one water packets for the setting of volatile organic matter lime set liquid separation tank bottom, carry out liquid liquid layering, what is obtained in water packet is solidifying
Liquid is sent to absorbing liquid lean solution storage tank 24 by absorbing liquid lime set pump 9, and it is solidifying that supernatant liquid as recycles obtained volatile organic matter
Liquid.
The product liquid average molecular weight being recovered to is 48.According to measuring and calculating, it is to calculate for 7200 hours with the operating time in year, leads to
The volatile organic matter amount for crossing this method recycling is 8424 tons/year.As can be seen that the volatile organic matter provided through the invention
Recovery method has not only purified discharge gas, but also has recycled resource.
Embodiment 2
As shown in Fig. 2, the system and method that the present embodiment uses embodiment 1.The difference is that the present embodiment level-one spinning liquid
Anhydrous cooler carries out being cooled to ≯ 34 DEG C after separator, but 3 overhead-liquid of level-one cyclone hydraulic separators is directly entered two level spinning liquid
Separator 28.
The CO of the present embodiment2The technological parameters such as periodic off-gases composition, temperature, pressure, absorbing liquid composition are same as Example 1.
After being handled using this method, CO is purified2Volatile organic matter (C in periodic off-gasesmHn) volume fraction be 0.095%, wave
The rate of recovery of hair property organic matter reaches 87.3%, and contained absorbing liquid weight percent is 4.1% in volatile organic matter lime set.It returns
The product liquid average molecular weight received is 48.According to measuring and calculating, it is to calculate for 7200 hours with the operating time in year, is returned by this method
The volatile organic matter amount of receipts is 8082 tons/year.
Embodiment 3
As shown in Figure 1 and Figure 7, the system and method that the present embodiment uses embodiment 1.The difference is that the present embodiment is adopted
There are two gas accesses 27 for setting in revolving bed separator 1, and two gas accesses 27 are symmetrical set.The present embodiment
CO2The technological parameters such as periodic off-gases composition, temperature, pressure, absorbing liquid composition are same as Example 1.
After being handled using this method, CO is purified2Volatile organic matter (C in periodic off-gasesmHn) volume fraction be 0.06%, wave
The rate of recovery of hair property organic matter reaches 92%, and contained absorbing liquid weight percent is 2.3% in volatile organic matter lime set.Recycling
The product liquid average molecular weight arrived is 48.According to measuring and calculating, it is to calculate for 7200 hours with the operating time in year, is recycled by this method
Volatile organic matter amount be 8517 tons/year.
Embodiment 4
As illustrated in figures 1 and 8, the system and method that the present embodiment uses embodiment 1.The difference is that the present embodiment is adopted
Perforated baffle 12 in revolving bed separator 1 is provided with equally distributed deflector 13 close to rotor-side, deflector 13
Quantity is 320, and the angle of inclination of deflector 13 is 30 ° of installations.
The CO of the present embodiment2The technological parameters such as periodic off-gases composition, temperature, pressure, absorbing liquid composition are same as Example 1.
After being handled using this method, CO is purified2Volatile organic matter (C in periodic off-gasesmHn) volume fraction be 0.059%, volatility is organic
The rate of recovery of object reaches 92.1%, and contained absorbing liquid weight percent is 2.5% in volatile organic matter lime set.The liquid being recovered to
Body product average molecular weight is 48.It is to calculate for 7200 hours with the operating time in year according to measuring and calculating, the volatilization recycled by this method
Property organic object amount be 8529 tons/year.
After deflector 13 is arranged in revolving bed separator 1, absorbing liquid can be mitigated to a certain extent to shell radial seal
14 inside of plate is washed away, while can also improve the distribution consistency degree that discharge gas enters rotor.
Embodiment 5
As shown in Fig. 3, Fig. 6 and Fig. 9, the present embodiment use embodiment 1 system and method.The difference is that this implementation
The three-level cyclone hydraulic separators that example uses, i.e., a three-level cyclone hydraulic separators 29 of connecting again after two level cyclone hydraulic separators 28, from three
The regenerable absorbent liquid that 29 bottom of grade cyclone hydraulic separators is isolated enters third regenerable absorbent liquid storage tank 31, regenerates and inhales using three-level
It receives liquid pump 38 and is sent to absorbing liquid lean solution storage tank 24.The CO of the present embodiment2The works such as periodic off-gases composition, temperature, pressure, absorbing liquid composition
Skill parameter is same as Example 1.
After being handled using this method, CO is purified2Volatile organic matter (C in periodic off-gasesmHn) volume fraction be 0.095%, wave
The rate of recovery of hair property organic matter reaches 87.3%, and contained absorbing liquid weight percent is 1.3% in volatile organic matter lime set.It returns
The product liquid average molecular weight received is 47.8.According to measuring and calculating, it is to calculate for 7200 hours with the operating time in year, passes through this method
The volatile organic matter amount of recycling is 8051 tons/year.
Embodiment 6
As shown in figure 4, the system and method that the present embodiment uses embodiment 1.The difference is that the present embodiment is using horizontal
Revolving bed separator, size, operating parameter are identical as vertical rotating bed.
The tail gas of the discharge gas source Mr. Yu refinery industrial discharge of the present embodiment, composition and process conditions are as shown in table 2.
Absorbing liquid forms identical using absorbing liquid as embodiment 1.
Certain the refinery gas of table 2 composition and technological parameter
| Serial number | Component | Mol% |
| 1 | C7H8 | 0.006% |
| 2 | C6H12 | 0.17% |
| 3 | CH2O | 0.04% |
| 4 | N2 | 97.26% |
| 5 | CH4 | 0.09% |
| 6 | C4H10 | 0.064% |
| 7 | C3H8 | 0.2% |
| 8 | H2O | 1.46% |
| 9 | Total sulfur | 30ppm |
| 10 | CH4OH | 60ppm |
| 11 | C8H10 | 0.03 |
| C9+ | 0.68% | |
| It is total | 100.00 | |
| Total amount, Nm3/h | 75000 | |
| Temperature, DEG C | 65 | |
| Pressure, kPaG | 75 |
After processing system provided by the invention and method, in purified gas total volatile organic matter by it is non-purified when
1.28% (mol) drops to 0.23% (mol), and the overall recovery of volatile organic matter reaches 82%, volatile organic matter lime set
Middle absorbing liquid mass percent is 2.4%.The product liquid average molecular weight being recovered to is 78.According to measuring and calculating, when being operated with year
Between for 7200 hours calculate, by this method recycle volatile organic matter amount be 19736 tons/year.
Embodiment 7
As shown in figure 5, the present embodiment uses system and method same as Example 6.The difference is that the present embodiment is adopted
Classification volatile organic matter, size, operating parameter and vertical rotating are carried out with two-stage series connection horizontal rotary bed separator
Bed is identical.It is in counter current contacting that gas, which is discharged, with absorbing liquid, and the absorbing liquid rich solution that the revolving bed separator bottom of the first order obtains flows automatically
Into absorbing liquid rich solution storage tank 2, after by the second absorbing liquid rich solution pump 34 be pumped into the second revolving bed separator 36, after drying
Discharge gas counter current contacting, the gravity flow of absorbing liquid that 36 bottom of the second revolving bed separator obtains enters the second absorbing liquid rich solution storage tank
33, it is sent to cyclone hydraulic separators using the first absorbing liquid rich solution pump 7 and carries out Liquid liquid Separation.Second revolving bed separator, 36 top
The discharge autogenous cutting by preliminary purification arrived leaves separation to the first revolving bed separator, purified discharge gas is entered from top
Device.Subsequent Liquid liquid Separation process is same as Example 6.
The discharge gas of the present embodiment is same as Example 6, and absorbing liquid composition is identical as the absorbing liquid that embodiment 6 uses.Through
After crossing processing system and method provided by the invention, in purified gas total volatile organic matter by it is non-purified when 1.28%
(mol) drop to 0.11% (mol), the overall recovery of volatile organic matter reaches 92%, absorbed in volatile organic matter lime set
Liquid mass percent is 1.2%.The product liquid average molecular weight being recovered to is 78.According to measuring and calculating, it is with the operating time in year
It calculates within 7200 hours, is 22143 tons/year by the volatile organic matter amount that this method recycles.
From the data of Examples 1 to 7 it is found that the method and system of recycling volatile organic matter provided by the invention has energy
Consume low, absorption rate is high, uptake is big, and plant area is small, operation is flexible, easily controllable, it is applied widely the advantages that, have simultaneously
There are higher economy and social value.
The preferred embodiment of the disclosure is described in detail above in association with attached drawing, still, the disclosure is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical solution of the disclosure
Monotropic type, these simple variants belong to the protection domain of the disclosure.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the disclosure to it is various can
The combination of energy no longer separately illustrates.
In addition, arbitrary combination can also be carried out between a variety of different embodiments of the disclosure, as long as it is without prejudice to originally
Disclosed thought equally should be considered as disclosure disclosure of that.
Claims (10)
1. a kind of method of recycling volatile organic matter, which is characterized in that this method comprises the following steps：
Step a. makes the discharge gas containing volatile organic matter enter revolving bed absorbing separator, contacted with absorbing liquid lean solution into
Row absorbs, and is purified discharge gas and the absorbing liquid rich solution containing volatile organic matter；
Step b. makes the absorbing liquid rich solution enter regeneration of absorption solution device progress regeneration of absorption solution, and it is dense to obtain volatile organic matter
Contracting liquid and regenerable absorbent liquid；
Step c. makes the volatile organic matter concentrate enter liquid distributing device progress liquid separation, and be absorbed liquid lime set and volatility
Organic matter lime set；
Step d. makes the regenerable absorbent liquid and the absorbing liquid lime set be back to institute as at least partly described absorbing liquid lean solution
It states revolving bed absorbing separator and carries out the absorption processing together with the absorbing liquid lean solution；
Wherein, the regeneration of absorption solution device is cyclone hydraulic separators and/or whizzer.
2. according to the method described in claim 1, it is characterized in that, this method further includes：Before step a, make described contain
The discharge gas of volatile organic matter is dried except water process.
3. according to the method described in claim 1, it is characterized in that, the regeneration of absorption solution device be cyclone hydraulic separators, the party
Method includes：So that the absorbing liquid rich solution is entered the multiple cyclone hydraulic separators being sequentially connected in series and carry out regeneration of absorption solution, obtains institute
The second volatile organic matter lime set and regenerable absorbent liquid are stated, the number of the cyclone hydraulic separators is 2~4.
4. according to the method described in claim 1, it is characterized in that, this method includes：Make the discharge containing volatile organic matter
Gas enters the multiple revolving bed absorbing separators being sequentially connected in series, and contacts and is absorbed with absorbing liquid lean solution, obtains described
Purification discharge gas and the absorbing liquid rich solution containing volatile organic matter；The number of the revolving bed absorbing separator is 2~3
It is a.
5. according to the method described in claim 1, it is characterized in that, the molar content of volatile organic matter is in the discharge gas
0.002%~10.0%；
Preferably, the rotating speed of the revolving bed absorbing separator is 500~4800 turns/min；
Preferably, in the revolving bed absorbing separator, the feed rate of the absorbing liquid lean solution is 0.1~50m3/ h, it is described
The feed rate for discharging gas is 0.1~500000Nm3/h；
Preferably, the feeding temperature of absorbing liquid lean solution is 20~55 DEG C；
Preferably, the absorbing liquid lean solution contains ionic liquid and corrosion inhibiter, and the weight ratio of the ionic liquid and corrosion inhibiter is
1：(0.00001~0.1).
6. a kind of system of recycling volatile organic matter, which is characterized in that the system include absorbing liquid entrance, discharge gas entrance,
Revolving bed absorbing separator (1), regeneration of absorption solution device (3), liquid distributing device (37), purification row's bleeder holes and organic matter are solidifying
Liquid exports；
The absorbing liquid entrance and the discharge gas entrance respectively with the liquid inlet of the revolving bed absorbing separator (1) and
Gas access is connected to, the liquid of the liquid outlet of the revolving bed absorbing separator (1) and the regeneration of absorption solution device (3)
Entrance is connected to, and gas outlet, the absorption are discharged in gas vent and the purification of the revolving bed absorbing separator (1)
First liquid outlet of liquid regenerating unit (3) is connected to the absorbing liquid entrance, the second liquid of the regeneration of absorption solution device (3)
Body outlet is connected to the entrance of the liquid distributing device (37), the first liquid outlet of the liquid distributing device and the organic matter lime set
Outlet, the liquid inlet of the second liquid outlet and the revolving bed absorbing separator (1) of the liquid distributing device (37)
Connection；
Wherein, the regeneration of absorption solution device (3) is cyclone hydraulic separators and/or whizzer.
7. system according to claim 6, which is characterized in that the system further includes gas drier (11), the gas
The entrance of body drying device (11) is connected to the discharge gas entrance, outlet and the rotation of the gas drier (11)
The gas access connection of bed absorbing separator (1).
8. system according to claim 6, which is characterized in that the revolving bed absorbing separator (1) includes at least one
Platform revolving bed separator, the revolving bed separator include by shell radial seal plate (14), first axis sealing plate (16) and
Second axial sealing plate (19) surrounds the shell formed, rotation axis (17) and rotor (23)；The shell of the revolving bed separator
Body is equipped with gas access (27), liquid inlet (22), gas vent (21) and liquid outlet (26)；
The gas access (27) is tangentially-arranged on the shell radial seal plate (14), the liquid inlet (22) and described
Gas vent (21) is set to along the rotation axis (17) direction coaxial manner on second axial sealing plate (19).
9. system according to claim 6, which is characterized in that the regeneration of absorption solution device (3) is including one or successively
The number of concatenated multiple cyclone hydraulic separators, the multiple cyclone hydraulic separators is 2~4.
10. system according to claim 6, which is characterized in that the system further include absorbing liquid lean solution storage tank (24) and/or
Absorbing liquid rich solution storage tank (2)；The entrance of the absorbing liquid lean solution storage tank (24) respectively with the absorbing liquid entrance and the absorption
First liquid outlet of liquid regenerating unit (3) is connected to, and outlet and the revolving bed of the absorbing liquid lean solution storage tank (24) absorb
The liquid inlet of separator (1) is connected to；
The entrance of the absorbing liquid rich solution storage tank (2) is connected to the liquid outlet of the revolving bed absorbing separator (1), described
The outlet of absorbing liquid rich solution storage tank (2) is connected to the liquid inlet of the regeneration of absorption solution device (3).
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2578310Y (en) * | 2002-11-01 | 2003-10-08 | 薛晓波 | Deoxidiser for producing deoxidized water for production of beer and beverage |
| CN1658947A (en) * | 2002-08-15 | 2005-08-24 | 催化蒸馏技术公司 | Contact structures |
| CN101654626A (en) * | 2008-08-21 | 2010-02-24 | 金星华 | Cyclone separation technology used for on-line separation of hydrocarbons and solid granules in desulfurized solvent |
| EP2335803A1 (en) * | 2009-12-08 | 2011-06-22 | Yang, Hsien Ming | An device for absorbing carbon dioxide in the air |
| CN102219639A (en) * | 2010-04-15 | 2011-10-19 | 中国石油化工股份有限公司 | Method for preparing glycol by virtue of hydrogenation of oxalate |
| CN103463938A (en) * | 2013-09-07 | 2013-12-25 | 中北大学 | Device and process method for removing volatile organic compound contained in industrial waste gas |
| CN203999506U (en) * | 2014-05-22 | 2014-12-10 | 青岛科技大学 | A kind of device for recovering oil and gas |
| CN204320312U (en) * | 2014-12-06 | 2015-05-13 | 中国石油化工股份有限公司 | A kind of rotary drill reactor |
| CN104624019A (en) * | 2013-11-13 | 2015-05-20 | 中国石油天然气股份有限公司 | Method for treating tail gas generated by oxidizing and regenerating saline-alkali liquid containing mercaptan |
| CN204911464U (en) * | 2015-08-13 | 2015-12-30 | 山东德阳化工有限公司 | Prevent alkyl plant of ion liquid pipeline jam |
| CN105289032A (en) * | 2014-06-09 | 2016-02-03 | 张天德 | Cold absorption method recycling process for highly volatile organic matters |
| CN105642062A (en) * | 2016-03-03 | 2016-06-08 | 中北大学 | Device and method for removing fine particles in gas in supergravity manner |
-
2017
- 2017-04-28 CN CN201710292220.XA patent/CN108786376A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1658947A (en) * | 2002-08-15 | 2005-08-24 | 催化蒸馏技术公司 | Contact structures |
| CN2578310Y (en) * | 2002-11-01 | 2003-10-08 | 薛晓波 | Deoxidiser for producing deoxidized water for production of beer and beverage |
| CN101654626A (en) * | 2008-08-21 | 2010-02-24 | 金星华 | Cyclone separation technology used for on-line separation of hydrocarbons and solid granules in desulfurized solvent |
| EP2335803A1 (en) * | 2009-12-08 | 2011-06-22 | Yang, Hsien Ming | An device for absorbing carbon dioxide in the air |
| CN102219639A (en) * | 2010-04-15 | 2011-10-19 | 中国石油化工股份有限公司 | Method for preparing glycol by virtue of hydrogenation of oxalate |
| CN103463938A (en) * | 2013-09-07 | 2013-12-25 | 中北大学 | Device and process method for removing volatile organic compound contained in industrial waste gas |
| CN104624019A (en) * | 2013-11-13 | 2015-05-20 | 中国石油天然气股份有限公司 | Method for treating tail gas generated by oxidizing and regenerating saline-alkali liquid containing mercaptan |
| CN203999506U (en) * | 2014-05-22 | 2014-12-10 | 青岛科技大学 | A kind of device for recovering oil and gas |
| CN105289032A (en) * | 2014-06-09 | 2016-02-03 | 张天德 | Cold absorption method recycling process for highly volatile organic matters |
| CN204320312U (en) * | 2014-12-06 | 2015-05-13 | 中国石油化工股份有限公司 | A kind of rotary drill reactor |
| CN204911464U (en) * | 2015-08-13 | 2015-12-30 | 山东德阳化工有限公司 | Prevent alkyl plant of ion liquid pipeline jam |
| CN105642062A (en) * | 2016-03-03 | 2016-06-08 | 中北大学 | Device and method for removing fine particles in gas in supergravity manner |
Non-Patent Citations (2)
| Title |
|---|
| 王箴: "《化工辞典 第二版》", 30 April 1985, 化工工业出版社 * |
| 陈德展: "《开启化学之门》", 31 October 2013, 山东科技出版社 * |
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Application publication date: 20181113 |
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