CN105879575B - A kind of pernicious gas adsorption experimental apparatus - Google Patents
A kind of pernicious gas adsorption experimental apparatus Download PDFInfo
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- CN105879575B CN105879575B CN201610355811.2A CN201610355811A CN105879575B CN 105879575 B CN105879575 B CN 105879575B CN 201610355811 A CN201610355811 A CN 201610355811A CN 105879575 B CN105879575 B CN 105879575B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0407—Constructional details of adsorbing systems
- B01D53/0415—Beds in cartridges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0407—Constructional details of adsorbing systems
- B01D53/0446—Means for feeding or distributing gases
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- General Chemical & Material Sciences (AREA)
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- Separation Of Gases By Adsorption (AREA)
Abstract
The invention belongs to environmental project pernicious gas adsorption cleaning experimental teaching fields, more particularly to a kind of pernicious gas adsorption experimental apparatus, including passing through the sequentially connected air supply unit of pipeline, absorbing unit and exhaust unit, the air supply unit includes connected gas cylinder and gas distribution device, and exhaust unit includes the centrifugal blower and motor of mating connection；The absorbing unit includes the horizontal absorption cylinder of several groups parallel connection, the air inlet of absorption cylinder is connect by admission line with gas distribution device, the gas outlet of absorption cylinder is connect by exhaust pipe with centrifugal blower, and several mutually independent filling containers are equipped in each absorbing cylinder body.The processes such as distribution, adsorption experiment, intake and exhaust can be achieved at the same time using the device, particular adsorbent can be recorded during adsorption experiment by the detection hole real-time measurement on pipeline to absorption properties parameters such as adsorption cleaning efficiency, empty tower gas velocity and the times of break-through of specific gas, student's experimental teaching needs simple to operate can be met.
Description
Technical field
The invention belongs to environmental project pernicious gas adsorption cleaning experimental teaching fields, and in particular to a kind of pernicious gas suction
Attached experimental provision.
Background technique
Various industrial harmful gases and indoor harmful gas not only pollute environment, but also cause very big prestige to human health
The side of body, is always the focus of social concerns, and the research to the high-efficiency purifying method of pernicious gas is also always field of environment engineering
One research hotspot.
The purification method of pernicious gas mainly has physical method and chemical method two major classes.It is all taken in chemical method principle
Certain chemical reagent achieve the purpose that removing purification with harmful gas reaction.Physical method mainly have absorption method, low temperature etc. from
Sub- method, catalytic purification method and ozone purification method etc..Since many pernicious gases there is no nontoxic absorbent cheap and easy to get
Or be not thorough with this method absorption, the more low reason of purification efficiency, so physical method occupies weight in gas purification technique
The status wanted.Especially absorption method, have it is high-efficient, useful constituent can be recycled, equipment is simple and convenient to operate, be easily achieved from
The advantages that dynamic control, and usually adsorbent itself is nontoxic not will cause secondary pollution, thus absorption method can be transported extensively
Purification for various pernicious gases.
In the research to adsorption method for purifying pernicious gas technology, it is often necessary to harmful gas specific to particular adsorbent absorption
The absorption property of body is comprehensively investigated, and is compared research.Currently, various adsorbent equipments, pattern is mostly to purify
It is designed for the purpose of industrial waste gas, there is not yet being specially adapted for the device of student experimenting teaching and technical research.
In order to facilitate the basic principle of students adsorption method for purifying harmful exhaust and experimental teaching and technical research, very
It is necessary to design to research and develop a kind of pernicious gas adsorption experimental apparatus for being specially adapted for student experimenting and teaching research.
Summary of the invention
The present invention tests process flow and the adsorbent equipment of grasping adsorption method for purifying harmful exhaust to help student to pass through
Feature, and the technology of adsorption method for purifying harmful exhaust body can be furtherd investigate, provide a kind of pernicious gas adsorption experiment
Device.
The present invention adopts the following technical scheme:
A kind of pernicious gas adsorption experimental apparatus, including pass through the sequentially connected air supply unit of pipeline, absorbing unit and row
Gas unit, the air supply unit include connected gas cylinder and gas distribution device, and exhaust unit includes the centrifugal blower and electricity of mating connection
Machine；The absorbing unit includes the horizontal absorption cylinder of several groups parallel connection, and the air inlet for adsorbing cylinder passes through admission line and matches
The connection of gas device, the gas outlet for adsorbing cylinder are connect with centrifugal blower by exhaust pipe, are all provided on admission line and exhaust pipe
Have several detection holes, be equipped with several mutually independent filling containers in each absorbing cylinder body, the top of filling container be equipped with feed opening,
Bottom is equipped with discharge port, and feed opening and discharge outlet are equipped with seal cover board.
The filling container is cylinder, is collectively constituted by the inner wall cylinder of absorption cylinder and the partition as bottom cylindrical face,
Circular bulkheads are installed on absorption cylinder inboard wall, and every two pieces of partitions and absorption cylinder form a filling container, and partition position edge is inhaled
Attached cylinder axially can be adjusted slightly, to adjust filling container volume.
The partition is the hole web plate of uniform pore diameter, and eye diameter is 1mm ~ 5mm.
The intracorporal filling container quantity of each absorbing cylinder is 5-7.
The detection hole is equipped with externally threaded short round tube, the short vertical right angle setting of round tube, and detection hole is provided with internal screw thread
Blind pipe lid sealing, opening when facilitating detection.On admission line and exhaust pipe on respectively at least provided with two detection holes, that is, lean on
Nearly absorption cylinder inlet port and outlet port are correspondingly provided with detection hole, while being equipped in the inlet main pipe close to gas distribution device end
Detection hole is equipped with detection hole in the outlet main pipe at close centrifugal blower end, and it is each during testing to guarantee accurate detection in real time
The gaseous state parameter of process section.
It is equipped with valve on the admission line and exhaust pipe, by being opened and closed different valve groups, selects absorption cylinder
Quantity is, it can be achieved that single group absorption cylinder experiment or multiple groups absorption cylinder parallel connection are tested, while can adjust each absorbing cylinder using valve
Body is into (out) tolerance；Gas flowmeter and gas temperature control apparatus are additionally provided on steam line.
The absorption cylinder body bottom is equipped with frames, is equipped with action roller in rack.
The experimental procedure of the experimental provision includes:
Gas with various in each gas cylinder is, wherein experiment gas by the first step, distribution by gas distribution device mixing
Flow and flow rate is determined according to absorbing cylinder diameter.
Second step, adsorbent filling select corresponding adsorbent according to the type of gas, flow and concentration and calculate it
Loading, when filler, guarantee that each filling container fills up；
Third step runs centrifugal blower, so that gas is entered absorption cylinder through steam line by gas distribution device, absorbing cylinder is intracorporal
Gas sequence passes through each filling container, and the adsorbent in filling container carries out adsorption cleaning to the harmful components in experimental gas, only
Gas after change is discharged through the exhaust outlet of exhaust pipe, blower；
4th step, experiment detection, experiment carry out during open detection hole, according to experimental design detect needed for parameter and and
Shi Jilu closes detection hole after detection；
5th step, experiment terminate program, turn the air quantity of centrifugal blower down, close blower, open filling container discharge outlet
Adsorbent is discharged in seal cover board, cleans filling container, covers filler bin discharge port external seal cover board；It is again started up centrifugal blower, gradually
Increase air quantity, extracts remaining adsorbent out and turn fan delivery down after remaining adsorbent extraction is clean, successively close centrifugal blower, close
Close the power control cabinet power supply of device.
When carrying out filler to filling container in the step 2, when being tested according to the absorption cylinder of multiple groups parallel connection, respectively
The intracorporal filling container quantity of absorbing cylinder is identical, guarantees the parameters such as purification efficiency, empty tower gas velocity and the time of break-through of each branch line in parallel
It is all the same, it prevents from influencing the measurement parameter on exhaust pipe.
The air force of its positive and reverse steering is debugged before the centrifugal blower operation, in centrifugal blower operation process,
Each seal cover board and detection hole must fasten, and guarantee the accuracy of measurement parameter.
The invention has the following beneficial effects:
1, compared with existing adsorbent bed experimental provision, the present invention is the integrated form device of multi-functional unit, be can be achieved at the same time
The processes such as distribution, adsorption experiment, intake and exhaust, adsorption experiment can be recorded specific by the detection hole real-time measurement on pipeline in the process
Adsorbent can meet student behaviour to absorption properties parameters such as adsorption cleaning efficiency, empty tower gas velocity and the times of break-through of specific gas
Make simply and easily experimental teaching to need.
2, the adsorbent bed of the device uses the horizontal absorption cylinder of multiple groups parallel connection, and each cylinder that adsorbs can be tested individually, can also
Multiple groups are tested simultaneously, in combination with the selection of the intracorporal filling container quantity of absorbing cylinder, adsorbent etc., can effectively improve purification effect
Rate, unit purge amount of pernicious gas etc. are wider to the scope of application of gas absorption experiment；
3, in experimentation, the adsorbent close to inlet end often first fails, and the filling container of apparatus of the present invention is respectively
It is independent, do not interfere with each other, optionally replace the adsorbent in individual filling containers, compared to existing integral type adsorbent equipment (only
The replacement of energy overall pulling down), the overall utilization rate and operation of adsorbent can be improved, pernicious gas can be effectively applied to
In the teaching experiment and research of adsorption cleaning, the operability of experiment is improved, reduces experimental implementation workload；
4, filling container is combined by two pieces of partitions and absorption cylinder bulk junction, and the upper and lower side of each filling container is equipped with corresponding
Into (out) material mouth, the filler chamber structure of upper dress discharging type keeps the addition of adsorbent, replacement process more convenient, and partition can be along absorption
The adjustment of tubular axis direction, and then adjust the volume size of filling container, adjustment adsorbent layer thickness.
Detailed description of the invention
Fig. 1 is structural front view of the invention；
Fig. 2 is structure top view of the invention；
In figure: 1- gas cylinder, 2- gas distribution device, 3- feeder and adsorbent equipment connecting tube, 4- adsorbent bed inlet main pipe are external
Flange, 5- adsorbent bed inlet main pipe detection hole, 6- adsorb cylinder air inlet external flange, and 7- adsorbs cylinder air inlet detection hole,
8- adsorbs cylinder admission line valve, and 9- adsorbs cylinder, 10- feed opening seal cover board, and 11- adsorbs cylinder outlet pipe valve,
12- adsorbs cylinder gas outlet detection hole, and 13- adsorbs cylinder gas outlet external flange, 14- adsorbent bed outlet main pipe detection hole, 15-
Adsorbent bed outlet main pipe external flange, 16- centrifugal blower, 17- motor, 18- exhaust outlet, 19- discharge port seal cover board, 20- add
Material mouth, 21- discharge port, 22- filling container, 23- partition, 24- rack, 25- action roller.
Specific embodiment
In conjunction with attached drawing, specific embodiments of the present invention will be further explained:
As shown in Figure 1, 2, pernicious gas adsorption experimental apparatus of the present invention includes: the gas supply list for simulating pernicious gas
The several majors such as member, adsorbent bed, negative-pressure air fan, device frame, connecting pipe, auxiliary equipment.The device purifying harmful gas
Process are as follows: air supply unit generates simulation pernicious gas, and gas enters adsorbent bed, and the adsorbent being filled in adsorbent bed filling container is to reality
It tests gas to be adsorbed, purified gas is discharged by negative pressure centrifugal blower from exhaust pipe.Gas is dynamic in the flowing of device
Power is provided by the negative pressure centrifugal blower of end.
The simulation pernicious gas air supply unit is mainly made of gas cylinder, gas distribution device, for generating experiment simulation used
Pernicious gas.As a further improvement of the present invention, gas flowmeter, valve can be installed on air supply unit pipeline, and
Gas temperature control apparatus.
The adsorbent bed is the core component that the present apparatus carries out gas absorption, and the parallel connection being fixed on the rack by two is crouched
Formula adsorbs cylinder composition.The gas feed and outlet of the two absorption cylinders are all respectively equipped with inlet valve and outlet valve.Each suction
Multiple filling containers are respectively set in attached cylinder, filling container is used to fill adsorbent in experiment, and filling container quantity is according to experiment need
It is arranged, generally at 5 ~ 7, filling container is cylindrical type space.The filling container is with holes by the two panels being stuck on absorption cylinder
The partition composition of eye, which axially can slightly move along absorption cylinder, to change the addition of the width and adsorbent of filling container
Amount.In the upper and lower part of each filling container, it is respectively kept with easily upper feed opening and lower discharge port, and available cover plate for sealing.
Each filling container can independently carry out adsorbent addition and draw off.
It is dynamic that the negative-pressure air fan is used to provide the whole that gas flows through adsorbent bed from feeder and then flows out from exhaust pipe
Power is negative pressure centrifugal blower；Blower realizes the continuous control to air quantity, wind pressure, control range 10% ~ 100% by frequency converter.
Described device rack can be used stainless steel and be made, rack front fills for supporting and fixing above-mentioned absorption bed apparatus
There is blower power control cabinet, is equipped with the runner that can be braked on 4 supporting legs of rack.
The connecting pipe is for connecting feeder and adsorbent bed, adsorbent bed and blower and exhaust pipe.
The auxiliary equipment refers to the detection hole being mounted on pipeline.Detection hole is in adsorbent bed air inlet side and air outlet
Side respectively sets one respectively, and to be connected to the short round tube on cylinder, pipe is outer external screw thread, can be sealed with internal thread blind pipe lid,
Opening when facilitating detection.
Specific experiment process of the invention is as follows:
First according to experimental project, selection is equipped with the gas cylinder 1 of suitable gas, and gas enters gas distribution device 2 by gas cylinder when experiment,
Configure the gas that experiment needs.As a further improvement of the present invention, gas flow can be installed on air supply unit pipeline
Meter, valve and gas temperature control apparatus.
Check device integrity before testing, checks power supply and electric-control system integrity.It is selected according to the experimental program of design
Adsorbent simultaneously calculates its charging quantity.Adsorbent filling container fills up number and position it can be selected that although it must be noted that loads is every
A filling container must fill up as required.Pass through the respective admission line valve 8 of two absorption cylinders of control and outlet pipe valve
11, two absorption cylinders 10 can respective independent experiment, can also parallel connection be combined experiment.Carrying out parallel combination experiment
When, the filling container number of two absorption cylinder fillings wants identical.
System is run using negative pressure, and experiment process gas comes out under the vacuum suction of centrifugal blower 16 from gas distribution device 2,
Enter the absorption cylinder 9 of adsorbent bed device after feeder and adsorbent equipment connecting tube 3 and adsorbent bed inlet main pipe.It is adsorbing
Gas sequence of flow passes through each adsorbent filling container in cylinder 9, the adsorbent in storehouse to the harmful components in experimental gas into
Row adsorption cleaning.Gas enters adsorbent bed outlet main pipe after being cleaned in absorption cylinder, then passes through centrifugal blower 16 and wind
Machine exhaust outlet 18 is discharged.
System debug predominantly debugs blower, debugs the positive and reverse steering of blower, air force.Open blower electricity
Installation's power source switch is controlled, rotation frequency control knob to minimum is opened blower electric-control board blower and started switch, rotates clockwise
Frequency control knob controls fan delivery from small to large.In blower operating, each removable cover of device and detection hole must be fastened.
Adsorbent filling, the filling container opened on adsorbent bed cylinder 9 feed velar plate 10, need to adjust according to experimental design
Partition 22 controls the length of Horizontal cylinder shape filling container, fills adsorbent, covers tightly charging velar plate 10.Adsorbent discharge, is opened
Adsorbent therein is discharged in adsorbent bed filling container discharging cover plate 19, cleans filling container, covers filling container discharging cover plate 19.
Experiment detection, opens detection hole, and parameter needed for being detected according to experimental design records in time.Detection is closed after detection
Hole.
Experiment terminates program, turns fan delivery down, closes blower.Adsorbent bed filling container Outlet cover plate 19 is opened, discharge is lived
Property charcoal, clean filling container, cover filling container Outlet cover plate.It is again started up blower 16, is gradually increased air quantity, extracts remaining absorption out
Agent.After remaining adsorbent extraction is clean, turns fan delivery down, successively close blower, close the power control cabinet power supply of device.
Compared with existing adsorbent bed experimental provision, gas adsorbing device provided by the invention can be very easily to absorption
Bed is added, is drawn off, replacing adsorbent, and each filling container does not interfere independently mutually, while can also easily adjust absorption
Agent thickness of bed layer.So the present invention can effectively apply in the teaching experiment and research of pernicious gas adsorption cleaning, improve
The operability of experiment effectively reduces experimental implementation workload.
If adsorbing filling container diameter phi 400mm in cylinder, length 1000mm is effectively filled, adsorbent selects active carbon, equipment
Adjustment is suitable for that, to usual purification efficiency > 80% of the pernicious gases such as TVOC, highest purification efficiency is up to 95% or more.
Experimental provision of the present invention is respectively kept with easily upper feed opening and bottom discharge in filling container upper and lower part
Mouthful, and available cover plate for sealing；Each filling container can independently carry out adsorbent addition and draw off.It is real with existing adsorbent bed
Experiment device is compared, and gas adsorbing device provided by the invention can be added very easily to adsorbent bed, draws off, replace absorption
Agent, and each filling container does not interfere independently mutually, while can very easily adjust adsorbent bed thickness.The present invention can have
Effect ground applies in the teaching experiment and research of pernicious gas adsorption cleaning, improves the operability of experiment, effectively reduces experiment
Operation element amount.
The component, device of without specific instruction or module etc. are the prior art in the present invention.
Claims (6)
1. a kind of pernicious gas adsorption experimental apparatus, it is characterised in that: including passing through the sequentially connected air supply unit of pipeline, absorption
Unit and exhaust unit, the air supply unit include connected gas cylinder (1) and gas distribution device (2), and exhaust unit includes mating connection
Centrifugal blower (16) and motor (17)；The absorbing unit includes the horizontal absorption cylinder (9) of several groups parallel connection, adsorbs cylinder
(9) air inlet is connect by admission line with gas distribution device (2), and the gas outlet of absorption cylinder (9) passes through exhaust pipe and centrifugation
Blower (16) connects, and several detection holes are equipped on admission line and exhaust pipe, are equipped in each absorption cylinder (9) several
Mutually independent filling container (22), the top of filling container (22) is equipped with feed opening (20), bottom is equipped with discharge port (21), feed opening
(20) and at discharge port (21) it is equipped with seal cover board；
The filling container (22) is cylinder, and the inner wall cylinder by absorption cylinder (9) and the partition (23) as bottom cylindrical face are altogether
With composition, circular bulkheads (23) are installed on absorption cylinder (9) inner wall, and every two pieces of partitions (23) and absorption cylinder form one and fill out
Feed bin (22), partition (23) position is along absorption cylinder (9) axial adjustable；
Filling container (22) quantity in each absorption cylinder (9) is 5-7；
The experimental procedure of the experimental provision includes:
Gas with various in each gas cylinder is uniformly mixed by the first step, distribution by gas distribution device；
Second step, adsorbent filling select corresponding adsorbent according to the type of gas, flow and concentration and calculate its filling
Amount, when filler, guarantee that each filling container (22) fills up；
Third step is run centrifugal blower (16), and gas is made to enter absorption cylinder (9), absorbing cylinder through steam line by gas distribution device (2)
Gas sequence in body (9) passes through each filling container (22), the adsorbent in filling container (22) in experimental gas it is harmful at
Divide and carry out adsorption cleaning, purified gas is discharged through the exhaust outlet (18) of exhaust pipe, blower；
4th step, experiment detection, experiment open detection hole during carrying out, and parameter needed for being detected according to experimental design is simultaneously remembered in time
Record, closes detection hole after detection；
5th step, experiment terminate program, turn the air quantity of centrifugal blower down, close blower, open the sealing of filling container discharge outlet
Adsorbent is discharged in cover board, cleans filling container, covers filler bin discharge port external seal cover board；It is again started up centrifugal blower, is gradually increased
Air quantity extracts remaining adsorbent out and turns fan delivery down after remaining adsorbent extraction is clean, successively close centrifugal blower, close dress
The power control cabinet power supply set；
When carrying out filler to filling container (22) in the step 2, when being tested according to the absorption cylinder (9) of multiple groups parallel connection,
The number of each absorption cylinder (9) interior filling container (22) filled is identical.
2. pernicious gas adsorption experimental apparatus according to claim 1, it is characterised in that: the partition (23) is that aperture is equal
Even hole web plate, eye diameter are 1mm ~ 5mm.
3. pernicious gas adsorption experimental apparatus according to claim 2, it is characterised in that: the detection hole is equipped with outer spiral shell
The short round tube of line, the short vertical right angle setting of round tube, detection hole are sealed equipped with tapped blind pipe lid.
4. pernicious gas adsorption experimental apparatus according to claim 3, it is characterised in that: the admission line and exhaust pipe
It is equipped with valve on road, is additionally provided with gas flowmeter and gas temperature control apparatus on steam line.
5. pernicious gas adsorption experimental apparatus according to claim 4, it is characterised in that: absorption cylinder (9) bottom
Equipped with frames (24), action roller (25) are installed in rack (24).
6. pernicious gas adsorption experimental apparatus according to claim 5, it is characterised in that: centrifugal blower (16) operation
The preceding air force to its positive and reverse steering is debugged, and in centrifugal blower (16) operation process, each seal cover board and detection hole must
It must fastening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610355811.2A CN105879575B (en) | 2016-05-25 | 2016-05-25 | A kind of pernicious gas adsorption experimental apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610355811.2A CN105879575B (en) | 2016-05-25 | 2016-05-25 | A kind of pernicious gas adsorption experimental apparatus |
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| Publication Number | Publication Date |
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| CN105879575A CN105879575A (en) | 2016-08-24 |
| CN105879575B true CN105879575B (en) | 2019-02-26 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108956217A (en) * | 2018-09-28 | 2018-12-07 | 四川省天晟源环保股份有限公司 | A kind of novel SOIL GAS collection and detection device |
| CN109529537A (en) * | 2018-12-29 | 2019-03-29 | 江苏苏净集团有限公司 | A kind of integrated simulation device of rotary-type waste gas pollution control and treatment |
| CN113125649B (en) * | 2021-04-14 | 2022-12-27 | 中国人民解放军火箭军工程大学 | Propellant solid adsorbent adsorption performance detection device and comprehensive performance detection method |
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|---|---|---|---|---|
| CN201840965U (en) * | 2010-09-30 | 2011-05-25 | 伍顺洪 | Serial connection sheet type waste gas absorption device |
| CN203075822U (en) * | 2012-05-23 | 2013-07-24 | 北京华温科科技有限公司 | Indoor air purifying device |
| CN204261532U (en) * | 2014-11-21 | 2015-04-15 | 中国石油大学(华东) | Novel organic exhaust gas adsorption-desorption treating apparatus |
| US9227890B1 (en) * | 2014-11-21 | 2016-01-05 | Chevron Phillips Chemical Company Lp | Hydrocarbon recovery with pressure swing adsorption |
-
2016
- 2016-05-25 CN CN201610355811.2A patent/CN105879575B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201840965U (en) * | 2010-09-30 | 2011-05-25 | 伍顺洪 | Serial connection sheet type waste gas absorption device |
| CN203075822U (en) * | 2012-05-23 | 2013-07-24 | 北京华温科科技有限公司 | Indoor air purifying device |
| CN204261532U (en) * | 2014-11-21 | 2015-04-15 | 中国石油大学(华东) | Novel organic exhaust gas adsorption-desorption treating apparatus |
| US9227890B1 (en) * | 2014-11-21 | 2016-01-05 | Chevron Phillips Chemical Company Lp | Hydrocarbon recovery with pressure swing adsorption |
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