CN110368772A - The processing method and its device of tail gas during a kind of propylene oxide, dichloropropane loading-unloading vehicle - Google Patents
The processing method and its device of tail gas during a kind of propylene oxide, dichloropropane loading-unloading vehicle Download PDFInfo
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- CN110368772A CN110368772A CN201910088390.5A CN201910088390A CN110368772A CN 110368772 A CN110368772 A CN 110368772A CN 201910088390 A CN201910088390 A CN 201910088390A CN 110368772 A CN110368772 A CN 110368772A
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- gas
- tail gas
- dichloropropane
- propylene oxide
- heat exchanger
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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
- B01D53/002—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
- B01D53/02—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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- 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
Abstract
The invention discloses a kind of processing methods of tail gas during propylene oxide, dichloropropane loading-unloading vehicle, which comprises the following steps: propylene oxide, dichloropropane handling tail gas enter surge tank through tail gas；Propylene oxide, dichloropropane handling tail gas by buffering are pressurized through the logical Roots blower that enters of tail gas；Pressurized propylene oxide, dichloropropane handling tail gas are entered into heat exchanger channels through tail gas again；Enter cold box system through tail gas by the propylene oxide of heat exchanger channels, dichloropropane handling tail gas；Propylene oxide, dichloropropane handling tail gas first pass through big channel plate-fin heat exchanger and are condensed into -100 DEG C, wherein trace water is frozen in the channel after tail gas enters cold box system；Cooled tail gas enters the first gas-liquid separator, isolates the condensate liquid of the components such as VOCs；The present invention meets the requirement of the recycling of valuable material and environment protection standard discharge in tail gas.
Description
Technical field
The present invention relates to the loading-unloading vehicle tail gas treatment process of organic matter, and in particular to a kind of propylene oxide, dichloropropane dress
The processing method and its device of tail gas during unloading.
Background technique
The chlorohydrination tail gas that country's propylene oxide chlorohydrination method production technology generates at present is using the method being vented.Emptying group
Divide predominantly ethylene, ethane, propylene, propane, dichloropropane etc., does not meet environmental requirement.Some enterprises are with incinerator by tail gas
Burn-up, but hydrogen chloride can be generated when burning, serious corrosion is caused to incinerator, influences safety in production operation.In order to change
This status, my company independently have developed the technique that a set of deep cooling adds carbon fiber adsorption and catalytic combustion processing chlorohydrination tail gas, increase
The added value of device, thoroughly solves the problems, such as exhaust emissions.
Summary of the invention
To achieve the goals above, the invention provides the following technical scheme:
The present invention provides the processing method and its device of tail gas during a kind of propylene oxide, dichloropropane loading-unloading vehicle,
Meet the requirement of the recycling of valuable material and environment protection standard discharge in tail gas.
The processing method of tail gas during a kind of propylene oxide, dichloropropane loading-unloading vehicle, which is characterized in that including following step
It is rapid:
(1) propylene oxide, dichloropropane handling tail gas enter surge tank through tail gas；
(2) propylene oxide by buffering, dichloropropane handling tail gas are pressurized through the logical Roots blower that enters of tail gas；
(3) pressurized propylene oxide, dichloropropane handling tail gas are entered into heat exchanger channels through tail gas again；
(4) enter cold box system through tail gas by the propylene oxide of heat exchanger channels, dichloropropane handling tail gas；
(5) propylene oxide, dichloropropane handling tail gas first pass through big channel plate-fin after tail gas enters cold box system
Heat exchanger is condensed into -100 DEG C, and wherein trace water is frozen in the channel；
(6) cooled tail gas enters the first gas-liquid separator, isolates the condensate liquid of the components such as VOCs；
(7) heat exchanger is removed from the gas that the first gas-liquid separator separates come out, it is multiple as the hydrolysis analysis gas that channel is freezed
Wen Hou, using being gone out-of-bounds after ice chest；
(8) liquid come out from the first gas-liquid separator separates is after heat exchanger rewarming to room temperature, into the second gas-liquid
Separator, the liquid come out from the second gas-liquid separator are gone out-of-bounds；
(9) blower inlet surge tank circular treatment is gone from the gas of the second gas-liquid separator separates；
(10) when VOCs content superelevation in the gas after separating, by the gas after separation from the inlet valve of adsorption tower lower end
It into adsorption tower, is adsorbed using the active carbon on bed, the tail gas after absorption passes through the emptying on adsorption tower top again
Valve is discharged into atmosphere.
Optionally, for the adsorption tower close to when reaching saturation, system automatically switches to the absorption of another adsorption tower, and right
Close to the adsorption tower of saturation, then its active-carbon bed pressure is reduced.
Optionally, the hydrocarbon for the high concentration adsorbed on the active carbon is by vacuum pump, from the hole of active carbon
It is detached in structure, and reenters condenser system and become liquid.
A kind of processing unit of tail gas during propylene oxide, dichloropropane loading-unloading vehicle, which is characterized in that the epoxy third
The processing unit of tail gas is skid structure during alkane, dichloropropane loading-unloading vehicle；The skid structure includes that Roots blower increases
Pressure and heat exchanger channels；Wherein the heat exchanger channels entrance is connect with activated carbon fiber absorber, drain respectively communicates, described
Heat exchanger channels outlet is connect with the first gas-liquid separator feed inlet to be communicated；The first gas-liquid separator liquid-phase outlet and the second gas
The connection of liquid/gas separator feed inlet communicates；The second gas-liquid separator gaseous phase outlet is filled with the carbon fiber adsorption and catalytic combustion respectively
Set, drain connection communicate, the second gas-liquid separator liquid phase discharge port is connect with condensate tank to be communicated；The active carbon
Fiber absorber is in parallel with the drain；The skid structure also wraps expansion unit, and the expansion unit refrigerant is air
Or nitrogen；The expansion unit includes ice chest heat exchange module, and the ice chest heat exchange module is multichannel finned heat exchanger.
Optionally, the tail gas pressurization by tail gas buffer buffering is sent into heat exchanger channels module by the Roots blower
In.
Optionally, the heat exchanger channels module is multichannel finned heat exchanger, can be described to change by tail gas condensing to -110 DEG C
Passage of heat module be two groups can the heat exchange module that changes of two-way autogenous cutting, the heat exchanger channels module wherein one group it is deep as tail gas
Cold condensation pass connects the first gas-liquid separator feed inlet, and another group of the heat exchanger channels module is used as gas-liquid separator gas phase
Condensation pass connection activated carbon fiber absorber and drain again.
Optionally, two groups of the heat exchanger channels module can mutually switch.
Optionally, first gas-liquid separator, the second gas-liquid separator form gas-liquid separator, first gas-liquid
Separator carries out gas-liquid separation to by -110 DEG C of tail gas of heat exchange module, and it is cold that the gas phase isolated returns to heat exchange module continuation
After solidifying, cooling capacity is recycled through heat exchange module into connection activated carbon fiber absorber and drain access, the liquid phase isolated
Heating enters the second gas-liquid separator afterwards；Its gas phase isolated of second gas-liquid separator is connected to tail gas buffer entrance,
Its liquid phase isolated is sent into external condensation liquid storage tank by pipeline.
Optionally, the activated carbon fiber absorber is by two activated carbon fibre tanks and vacuum pump group at described two
Activated carbon fibre tank is provided with active carbon fiber felt, can free switching access between two tanks；The vacuum pump is used in desorption.
Optionally, the activated carbon fibre tank has one working always, another is in desorption and stand-by state, when
The activated carbon fibre tank of cut-in stand-by state takes over work, the work after saturation after the activated carbon fibre tank adsorption saturation of working condition
Property Carbon fibe tank enters desorption and stand-by state.
The beneficial effects of the present invention are: tail gas during propylene oxide provided by the invention, dichloropropane loading-unloading vehicle
Propylene oxide, dichloropropane handling tail gas are integrated pipeline by tail gas and sent to tail by processing method and processing device, present apparatus design
Gas surge tank send to the air inlet of Roots blower through tail gas buffer top exit, send through Roots blower gas outlet to two
It is a it is in parallel, alternately can open one of complete channel of heat exchanger channels entrance, heat exchange is carried out in heat exchanger channels and is cooled to -110 DEG C
Left and right, after organic matter most in tail gas is condensed into liquid phase, feeding the first gas-liquid separator progress gas-liquid separation, first
The gas phase that gas-liquid separator separates come out through upper gaseous phase outlet send to it is above-mentioned two it is in parallel, can alternately open complete heat exchanger channels
Another channel, activated carbon fiber absorber and drain, the first gas-liquid point are sent into after heat exchanger channels exchange heat condensation again
Enter heat exchange module through bottom liquid phases outlet from the liquid phase that device is separated to heat up, while recycling cooling capacity and improving cryogenic energy utilization
Rate, liquid phase enters the second gas-liquid separator after heating, and the gas phase that the second gas-liquid separator separates come out is sent through upper gaseous phase outlet
To tail gas buffer inlet, the liquid phase that the second gas-liquid separator separates come out is through sending pipeline outside into external reservoir；Tail gas is slow
Rushing tank entrance has the changeable tail gas of emergency pipeline to send to carbon fiber adsorption and catalytic combustion entrance and tail gas drain；First gas-liquid separator
The feeding activated carbon fiber absorber after second of heat exchange condensation of gas phase out is adsorbed, and the gas after absorption, which enters, to be put
It eats dishes without rice or wine qualified discharge.
Detailed description of the invention
Fig. 1 be during a kind of propylene oxide provided by the invention, dichloropropane loading-unloading vehicle the processing method of tail gas and its
Device figure.
Each label indicates in Fig. 1: 1- propylene oxide, dichloropropane loading-unloading vehicle exhaust pipe, 2- tail gas buffer, 3- Roots
Air blower, 4- ice chest heat exchange module, the first gas-liquid separator of 5-, the second gas-liquid separator of 6-, 7- condensate liquid remove external reservoir pipe
Road, 8- activated carbon fibre tank, 9- drain, two groups of 10- can two-way switching heat exchange module, 11- gas buffer tank, 12- compressor,
13- heat exchanger, 14- expanding machine, 15- vacuum pump.
Specific embodiment
The following are better embodiments of the invention, but are not intended to limit the scope of the present invention.
Embodiment 1:
The processing method of tail gas during a kind of propylene oxide, dichloropropane loading-unloading vehicle, which is characterized in that including following step
It is rapid:
(1) propylene oxide, dichloropropane handling tail gas enter surge tank through tail gas；
(2) propylene oxide by buffering, dichloropropane handling tail gas are pressurized through the logical Roots blower that enters of tail gas；
(3) pressurized propylene oxide, dichloropropane handling tail gas are entered into heat exchanger channels through tail gas again；
(4) enter cold box system through tail gas by the propylene oxide of heat exchanger channels, dichloropropane handling tail gas；
(5) propylene oxide, dichloropropane handling tail gas first pass through big channel plate-fin after tail gas enters cold box system
Heat exchanger is condensed into -100 DEG C, and wherein trace water is frozen in the channel；
(6) cooled tail gas enters the first gas-liquid separator, isolates the condensate liquid of the components such as VOCs；
(7) heat exchanger is removed from the gas that the first gas-liquid separator separates come out, it is multiple as the hydrolysis analysis gas that channel is freezed
Wen Hou, using being gone out-of-bounds after ice chest；
(8) liquid come out from the first gas-liquid separator separates is after heat exchanger rewarming to room temperature, into the second gas-liquid
Separator, the liquid come out from the second gas-liquid separator are gone out-of-bounds；
(9) blower inlet surge tank circular treatment is gone from the gas of the second gas-liquid separator separates；
(10) when VOCs content superelevation in the gas after separating, by the gas after separation from the inlet valve of adsorption tower lower end
It into adsorption tower, is adsorbed using the active carbon on bed, the tail gas after absorption passes through the emptying on adsorption tower top again
Valve is discharged into atmosphere.
Optionally, for the adsorption tower close to when reaching saturation, system automatically switches to the absorption of another adsorption tower, and right
Close to the adsorption tower of saturation, then its active-carbon bed pressure is reduced.
Optionally, the hydrocarbon for the high concentration adsorbed on the active carbon is by vacuum pump, from the hole of active carbon
It is detached in structure, and reenters condenser system and become liquid.
Refering to what is shown in Fig. 1, during propylene oxide provided in this embodiment, dichloropropane loading-unloading vehicle tail gas processing method
And its device, including tail gas buffer 2, Roots blower 3, ice chest heat exchange module 4, the first gas-liquid separator 5, the second gas-liquid point
From device 6, activated carbon fibre tank 8, drain 9, two groups can two-way switching heat exchange module 10, vacuum pump 15,.Wherein, tail gas buffers
The entrance of the outlet of tank 2 connection Roots blower 3, Roots blower is frequency control, adjusts blower headend equipment gas in pipelines
Pressure is in slight positive pressure state, and the outlet of Roots blower 3 can first gas-liquid separation of the two-way connection of switching heat exchange module 10 through two groups
5 feed inlet of device, two groups can two-way switching heat exchange module 10 be resistance sense should automatically switch, guarantee 10 access of heat exchange module in freeze
Another access is switched to when blocking to work on；The gas phase that first gas-liquid separator 5 is separated is exported through upper gaseous phase through changing
Another channel connection 8 entrance of carbon fiber adsorption and catalytic combustion tank and drain 9, the first gas-liquid separator 5 of thermal modules 10 are separated
Liquid phase through bottom liquid phases export through heat exchange module 10 carry out rising temperature reclamation cooling capacity after enter the second gas-liquid separator 6, the second gas
The gas phase that liquid/gas separator 6 is separated enters 2 inlet of tail gas buffer, and the liquid phase that the second gas-liquid separator 6 is separated is sent
Enter in external reservoir.
Embodiment 2:
As shown in Figure 1, during the propylene oxide provided for the present embodiment 2, dichloropropane loading-unloading vehicle tail gas processing side
Method and device design, have all components of the refining plant of the offer of embodiment 1, are not illustrating herein.It is different from embodiment 1
, it further include gas buffer tank 11 in the refining plant of the present embodiment 2, compressor 12, heat exchanger 13, expanding machine 14,
In, the outlet of gas buffer tank 11 connects 13 entrance of heat exchanger through compressor 12, and heat exchanger 13 exports expanded machine 14 and connects gas
11 entrance of surge tank, temperature increases after gas is pressurized from gas buffer tank 11 to compressor 12, is cooled down at heat exchanger 13,
It depressurizes and does work to expanding machine 14, finally into gas buffer tank 11, complete a down cycles.
The beneficial effects of the present invention are: tail gas during propylene oxide provided by the invention, dichloropropane loading-unloading vehicle
Propylene oxide, dichloropropane handling tail gas are integrated pipeline by tail gas and sent to tail by processing method and processing device, present apparatus design
Gas surge tank send to the air inlet of Roots blower through tail gas buffer top exit, send through Roots blower gas outlet to two
It is a it is in parallel, alternately can open one of complete channel of heat exchanger channels entrance, heat exchange is carried out in heat exchanger channels and is cooled to -110 DEG C
Left and right, after organic matter most in tail gas is condensed into liquid phase, feeding the first gas-liquid separator progress gas-liquid separation, first
The gas phase that gas-liquid separator separates come out through upper gaseous phase outlet send to it is above-mentioned two it is in parallel, can alternately open complete heat exchanger channels
Another channel, activated carbon fiber absorber and drain, the first gas-liquid point are sent into after heat exchanger channels exchange heat condensation again
Enter heat exchange module through bottom liquid phases outlet from the liquid phase that device is separated to heat up, while recycling cooling capacity and improving cryogenic energy utilization
Rate, liquid phase enters the second gas-liquid separator after heating, and the gas phase that the second gas-liquid separator separates come out is sent through upper gaseous phase outlet
To tail gas buffer inlet, the liquid phase that the second gas-liquid separator separates come out is through sending pipeline outside into external reservoir；Tail gas is slow
Rushing tank entrance has the changeable tail gas of emergency pipeline to send to carbon fiber adsorption and catalytic combustion entrance and tail gas drain；First gas-liquid separator
The feeding activated carbon fiber absorber after second of heat exchange condensation of gas phase out is adsorbed, and the gas after absorption, which enters, to be put
It eats dishes without rice or wine qualified discharge.
The above is only the preferred embodiment of the present invention, it is noted that those skilled in the art are come
It says, without departing from the technical principles of the invention, several improvements and modifications can also be made, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. the processing method of tail gas during a kind of propylene oxide, dichloropropane loading-unloading vehicle, which is characterized in that including following step
It is rapid:
(1) propylene oxide, dichloropropane handling tail gas enter surge tank through tail gas；
(2) propylene oxide by buffering, dichloropropane handling tail gas are pressurized through the logical Roots blower that enters of tail gas；
(3) pressurized propylene oxide, dichloropropane handling tail gas are entered into heat exchanger channels through tail gas again；
(4) enter cold box system through tail gas by the propylene oxide of heat exchanger channels, dichloropropane handling tail gas；
(5) propylene oxide, dichloropropane handling tail gas first pass through big channel plate fin heat-exchanging after tail gas enters cold box system
Device is condensed into -100 DEG C, and wherein trace water is frozen in the channel；
(6) cooled tail gas enters the first gas-liquid separator, isolates the condensate liquid of the components such as VOCs；
(7) heat exchanger is removed from the gas that the first gas-liquid separator separates come out, as the hydrolysis analysis gas that channel is freezed, rewarming
Afterwards, using being gone out-of-bounds after ice chest；
(8) liquid come out from the first gas-liquid separator separates is after heat exchanger rewarming to room temperature, into the second gas-liquid separation
Device, the liquid come out from the second gas-liquid separator are gone out-of-bounds；
(9) blower inlet surge tank circular treatment is gone from the gas of the second gas-liquid separator separates；
(10) separate after gas in VOCs content superelevation when, by the gas after separation from the inlet valve of adsorption tower lower end enter
It in adsorption tower, is adsorbed using the active carbon on bed, the tail gas after absorption passes through the blow valve row on adsorption tower top again
It is put into atmosphere.
2. the processing method of tail gas during a kind of propylene oxide according to claim 1, dichloropropane loading-unloading vehicle, special
Sign is: for the adsorption tower close to when reaching saturation, system automatically switches to the absorption of another adsorption tower, and to close saturation
Adsorption tower, then reduce its active-carbon bed pressure.
3. the processing method of tail gas during a kind of propylene oxide according to claim 1, dichloropropane loading-unloading vehicle, special
Sign is: the hydrocarbon for the high concentration adsorbed on the active carbon is taken off from the pore structure of active carbon by vacuum pump
It separates out and, and reenter condenser system and become liquid.
4. the processing unit of tail gas during a kind of propylene oxide, dichloropropane loading-unloading vehicle, which is characterized in that the epoxy third
The processing unit of tail gas is skid structure during alkane, dichloropropane loading-unloading vehicle；The skid structure includes that Roots blower increases
Pressure and heat exchanger channels；Wherein the heat exchanger channels entrance is connect with activated carbon fiber absorber, drain respectively communicates, described
Heat exchanger channels outlet is connect with the first gas-liquid separator feed inlet to be communicated；The first gas-liquid separator liquid-phase outlet and the second gas
The connection of liquid/gas separator feed inlet communicates；The second gas-liquid separator gaseous phase outlet is filled with the carbon fiber adsorption and catalytic combustion respectively
Set, drain connection communicate, the second gas-liquid separator liquid phase discharge port is connect with condensate tank to be communicated；The active carbon
Fiber absorber is in parallel with the drain；The skid structure also wraps expansion unit, and the expansion unit refrigerant is air
Or nitrogen；The expansion unit includes ice chest heat exchange module, and the ice chest heat exchange module is multichannel finned heat exchanger.
5. the processing unit of tail gas during a kind of propylene oxide according to claim 4, dichloropropane loading-unloading vehicle, special
Sign is: the tail gas pressurization buffered by tail gas buffer is sent into heat exchanger channels module by the Roots blower.
6. the processing unit of tail gas during a kind of propylene oxide according to claim 5, dichloropropane loading-unloading vehicle, special
Sign is: the heat exchanger channels module is multichannel finned heat exchanger, can be extremely -110 DEG C by tail gas condensing, the heat exchanger channels mould
Block be two groups can the heat exchange module that changes of two-way autogenous cutting, the heat exchanger channels module wherein one group it is logical as tail gas cryogenic condensation
Road connects the first gas-liquid separator feed inlet, and another group of the heat exchanger channels module condenses logical again as gas-liquid separator gas phase
Road connects activated carbon fiber absorber and drain.
7. the processing unit of tail gas during a kind of propylene oxide according to claim 6, dichloropropane loading-unloading vehicle, special
Sign is: two groups of the heat exchanger channels module can mutually switch.
8. the processing unit of tail gas during a kind of propylene oxide according to claim 4, dichloropropane loading-unloading vehicle, special
Sign is: first gas-liquid separator, the second gas-liquid separator form gas-liquid separator, first gas-liquid separator pair
Gas-liquid separation is carried out by -110 DEG C of tail gas of heat exchange module, after the gas phase return heat exchange module isolated continues condensation, into
Enter to connect activated carbon fiber absorber and drain access, the liquid phase isolated heat up after heat exchange module recycles cooling capacity into
Enter the second gas-liquid separator；Its gas phase isolated of second gas-liquid separator is connected to tail gas buffer entrance, isolates
Liquid phase pass through pipeline be sent into external condensation liquid storage tank.
9. the processing unit of tail gas during a kind of propylene oxide according to claim 4, dichloropropane loading-unloading vehicle, special
Sign is: the activated carbon fiber absorber is by two activated carbon fibre tanks and vacuum pump group at described two active carbon fibres
Dimension tank is provided with active carbon fiber felt, can free switching access between two tanks；The vacuum pump is used in desorption.
10. the processing unit of tail gas during a kind of propylene oxide according to claim 9, dichloropropane loading-unloading vehicle,
Be characterized in that: the activated carbon fibre tank has one working always, another is in desorption and stand-by state, when work shape
The activated carbon fibre tank of cut-in stand-by state takes over work, the active carbon fibre after saturation after the activated carbon fibre tank adsorption saturation of state
Dimension tank enters desorption and spare shape.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910088390.5A CN110368772A (en) | 2019-01-31 | 2019-01-31 | The processing method and its device of tail gas during a kind of propylene oxide, dichloropropane loading-unloading vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910088390.5A CN110368772A (en) | 2019-01-31 | 2019-01-31 | The processing method and its device of tail gas during a kind of propylene oxide, dichloropropane loading-unloading vehicle |
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| CN107875668A (en) * | 2017-12-18 | 2018-04-06 | 张伟华 | A kind of cryogenic condensation separation method of C2 C5 alkene tail gas |
| CN108339369A (en) * | 2018-03-16 | 2018-07-31 | 浙江大学 | A kind of device and method of PVC device exhausts component separation and recycling |
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2019
- 2019-01-31 CN CN201910088390.5A patent/CN110368772A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100107685A1 (en) * | 2006-12-05 | 2010-05-06 | Praxair Technology, Inc. | Refinery gas upgrading via partial condensation and psa |
| US20140343341A1 (en) * | 2011-12-20 | 2014-11-20 | Sumitomo Seika Chemicals Co., Ltd. | Purification method and purification system for propane |
| CN107469550A (en) * | 2017-08-22 | 2017-12-15 | 刘祖虎 | A kind of integrated condensing and the VOCs emission control systems and its processing method of absorption |
| CN207126329U (en) * | 2017-08-25 | 2018-03-23 | 北京沃太斯环保科技发展有限公司 | A kind of sledge fills oil extraction-generated waste water VOC waste gas pollution control and treatment complete set of equipments |
| CN107875668A (en) * | 2017-12-18 | 2018-04-06 | 张伟华 | A kind of cryogenic condensation separation method of C2 C5 alkene tail gas |
| CN108339369A (en) * | 2018-03-16 | 2018-07-31 | 浙江大学 | A kind of device and method of PVC device exhausts component separation and recycling |
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Application publication date: 20191025 |