CN112014264A - Device for gas component adsorption and desorption test - Google Patents
Device for gas component adsorption and desorption test Download PDFInfo
- Publication number
- CN112014264A CN112014264A CN202010850531.5A CN202010850531A CN112014264A CN 112014264 A CN112014264 A CN 112014264A CN 202010850531 A CN202010850531 A CN 202010850531A CN 112014264 A CN112014264 A CN 112014264A
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- guide rail
- gas
- box body
- adsorbent
- desorption
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- 238000012360 testing method Methods 0.000 title claims abstract description 53
- 238000003795 desorption Methods 0.000 title claims abstract description 44
- 238000001179 sorption measurement Methods 0.000 title claims abstract description 43
- 239000003463 adsorbent Substances 0.000 claims abstract description 45
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 238000005192 partition Methods 0.000 claims abstract description 16
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 9
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 9
- 241001330002 Bambuseae Species 0.000 claims description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 9
- 239000011425 bamboo Substances 0.000 claims description 9
- 238000005273 aeration Methods 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 claims 1
- 238000002474 experimental method Methods 0.000 abstract description 9
- 230000010354 integration Effects 0.000 abstract description 4
- 230000008859 change Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000002156 adsorbate Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N7/00—Analysing materials by measuring the pressure or volume of a gas or vapour
- G01N7/02—Analysing materials by measuring the pressure or volume of a gas or vapour by absorption, adsorption, or combustion of components and measurement of the change in pressure or volume of the remainder
- G01N7/04—Analysing materials by measuring the pressure or volume of a gas or vapour by absorption, adsorption, or combustion of components and measurement of the change in pressure or volume of the remainder by absorption or adsorption alone
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Separation Of Gases By Adsorption (AREA)
Abstract
The invention provides a device for gas component adsorption and desorption tests, wherein an air-entrapping box body is connected with an adsorbent cylinder through a threaded component, the inner side and the outer side of a wall body connected with the air-entrapping box body and the adsorbent cylinder are respectively and fixedly connected with an inner guide rail and an outer guide rail of a guide groove, a sealing partition plate is connected in the guide groove of the inner guide rail in a sliding manner, one side part of the sealing partition plate is fixed on a first magnet block, and a second magnet block is connected in the guide groove of the outer guide rail in a sliding manner; the second magnet block and the first magnet block respectively correspond to the same position of the inner side and the outer side of the same wall body of the gas filling box body, the second magnet block drives the first magnet block and the sealing partition plate to move in the inner side guide rail when sliding in the guide groove of the outer side guide rail, and the sealing partition plate can seal and separate or open a space communicated between the gas filling box body and the adsorbent barrel when sliding in the inner side guide rail. The device facilitates alternate testing of gas adsorption and desorption, and realizes integration of gas component adsorption and desorption experiment devices.
Description
Technical Field
The invention relates to the field of gas adsorption and gas desorption, in particular to a device for gas component adsorption and desorption testing.
Background
In the prior art related to gas adsorption and desorption, the gas adsorption and desorption experiment mostly adopts a simulation method, namely, the self-made experiment chamber is used for simulating indoor environment to carry out gas adsorption and desorption test, and the following defects exist in the technical aspect: (1) the experimental chambers designed by most of the testing devices only have one space, and in the experimental process, the adsorbent and the gas to be adsorbed coexist in the same space from the beginning of the experiment to the end of the experiment, so that the adsorption or desorption is started when the gas in the box is not uniformly distributed; the gas is uniformly dispersed in the box body for a long time, so that the initial concentration of the gas cannot be accurately obtained during testing, and the accuracy of a testing result is influenced. (2) In current gas composition adsorbs and the desorption test, gas adsorption and desorption test are separately gone on generally, cause adsorbent or adsorbate to leak easily in two testing process, both can cause the test data error, make test operation inconvenient again, still can increase the test degree of difficulty, can't satisfy the requirement of adsorbing and the alternative test of desorption simultaneously. (3) Most of the existing experiment cabins can not meet good airtight requirements, but the air tightness is very critical to gas adsorption and desorption experiments, and experimental data can be caused to have errors or even errors by one experimental device with low air tightness.
Aiming at the defects in the prior art, the invention provides a device for gas component adsorption and desorption tests.
Disclosure of Invention
The invention aims to provide a device for gas adsorption and desorption tests, which can ensure the air tightness of an experimental device in gas component adsorption and desorption tests, has the advantage of separating and communicating a gas placing space and an adsorbent placing space, solves the problem that the initial concentration of the test cannot be accurately obtained in the related field of the prior art, facilitates the alternative test of gas adsorption and desorption, and simultaneously realizes the integration of the gas component adsorption and desorption experimental device.
In order to achieve the purpose, the invention provides the following technical scheme:
a device for gas component adsorption and desorption tests mainly comprises a gas filling box body, a test instrument, an adsorbent cylinder and a small fan; the utility model discloses a novel air entrainment box, including an air entrainment box body, an adsorbent section of thick bamboo, but be equipped with slidable seal baffle in the guide slot of inboard guide rail, be equipped with the magnet piece of slidable in the guide slot of the interior of the wall body that air entrainment box body and adsorbent section of thick bamboo are connected through pipe connection between air entrainment box body and the test instrument, the inboard guide rail and the outside guide rail of fixedly connected with guide slot respectively in the inside and outside of air entrainment box body and adsorbent section of thick bamboo connection, be equipped with the magnet piece No. two of slidable in the guide slot of outside guide rail, No. two magnet pieces are located the same position of the same wall body inside and outside of air entrainment box body with a magnet piece, No. two magnet pieces can drive a magnet piece and seal baffle when sliding in the guide slot of outside guide rail and slide in the inside guide rail, seal baffle can seal the space of separating or opening.
According to a further scheme of the invention, a box door is arranged on the outer wall of one side of the gas filling box body, the bottom end of the box door is connected with the gas filling box body through a hinge, the top end of the box door is fixed with the gas filling box body through a lock catch, and a sealing strip is arranged on the inner side part of the box door, which is in contact with the gas filling box body.
As a further scheme of the invention, the middle part of the box door is provided with a small round hole and is embedded with a piston, and the small round hole is used for adding gas components during adsorption test or discharging the gas components in the gas filling box during desorption test.
As a further scheme of the invention, a small fan is arranged in the gas filling box body and used for accelerating the uniform mixing of gas components in the gas filling box body.
As a still further aspect of the invention, the interface between the conduit and the gas filling tank is sealed with a sealing plug.
In a further embodiment of the invention, the inner and outer rails are fixed to the wall of the gas tank body by bolts.
As a still further aspect of the present invention, the sealing spacer and the first magnet block are integrally connected by an adhesive or other means.
As a further scheme of the invention, the second magnet block is arranged in the outer side guide rail and can slide in a limiting way.
As a further scheme of the invention, the inner cavity of the adsorbent cylinder is cylindrical and used for placing an adsorbent, the connecting end of the adsorbent cylinder and the gas filling box body is an internal thread port, a fixed thread member is arranged on the outer side of the wall body at the connecting part of the gas filling box body and the adsorbent cylinder, the thread member is in external thread connection with the adsorbent cylinder, and the gas filling box body is used for accommodating gas to be adsorbed or desorbed.
Compared with the prior art, the invention has the following beneficial effects: utilize magnet gravitation principle, slide in the outside guide rail through No. two magnet pieces in the control outside, thereby drive the inboard magnet piece and remove in the inboard guide rail guide slot, and then realize that the sealed partition separates or opens the intercommunication to the sealed of air entrainment box space and adsorbent barrel space, thereby guarantee adsorbent and adsorbed gas composition absolute isolation before gas adsorption and the desorption experiment, and make adsorbed gas distribute evenly rapidly in the air entrainment box, it is long with desorption experiment time to solve current gas adsorption, the leakproofness is not good, can't accurately obtain the problem of gaseous initial concentration value, can make gas adsorption and desorption testing arrangement integration simultaneously.
Drawings
FIG. 1 is a plan view of the present invention;
FIG. 2 is a front isometric view of the present invention;
FIG. 3 is a rear isometric view of the present invention;
FIG. 4 is a cross-sectional view of the present invention;
FIG. 5 is a schematic view of the threaded connection of the device case of the present invention
FIG. 6 is a front elevation view of the guide rail apparatus of the present invention;
fig. 7 is a perspective view of the back of the track assembly of the present invention.
In the figure: 1-air-entrapping box body, 2-adsorbent cylinder, 3-testing instrument, 4-small fan, 5-guide pipe, 6-thread component, 7-inner guide rail, 8-outer guide rail, 9-sealing partition plate, 10-magnet block, 11-magnet block, 12-box door, 13-hinge, 14-lock catch, 15-sealing strip, 16-piston, 17-sealing plug and 18-bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the mounted position or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-7, an apparatus for gas component adsorption and desorption testing includes a gas-filling box 1, an adsorbent cartridge 2 and a testing instrument 3; the gas-filling box body 1 is provided with micropores at two ends of the top and is respectively connected with a gas inlet and a gas outlet of a testing instrument 3 through a guide pipe 5, the interface of the guide pipe 5 and the gas-filling box body 1 is sealed by a sealing plug 17 so that the guide pipe 5 is tightly contacted with the inner wall of the gas-filling box body 1 and is completely sealed, one side wall of the gas-filling box body 1 is provided with a round hole which is connected with an adsorbent cylinder 2 through a screw member 6, the inner cavity of the adsorbent cylinder 2 is cylindrical and is used for placing an adsorbent, the outer wall of the other side of the gas-filling box body 1 is provided with a box door 12, the bottom end of the box door 12 is connected with the gas-filling box body 1 through a hinge 13, the top end of the box door 12 is fixed with the gas-filling box body 1 through a lock catch 14, the inner side part of the box door 12, which is contacted with the gas-filling box body 1, the box door, a small fan 4 is arranged in the aeration tank body 1, the small fan 4 can accelerate the air flow in the aeration tank body 1, the inner side and the outer side of the wall body connected with the adsorbent cylinder 2 of the aeration tank body 1 are respectively and fixedly connected with an inner side guide rail 7 and an outer side guide rail 8 of a guide groove, a slidable sealing partition plate 9 is arranged in the guide groove of the inner side guide rail 7, one side part of the sealing partition plate 9 is fixed on a first magnet block 10, a second magnet block 11 which can slide is arranged in the guide groove of the outer guide rail 8, the second magnet block 11 and the first magnet block 10 respectively correspond to the same position of the inner side and the outer side of the same wall body of the gas filling box body 1, the magnet block II 11 slides in the guide groove of the outer guide rail 8 to drive the magnet block I10 and the seal spacer 9 to move in the inner guide rail 7, the sealing partition plate 9 can seal, isolate or open and communicate the space between the gas filling box body 1 and the adsorbent barrel 2 when moving in the inner side guide rail 7.
Referring to fig. 6-7, during the gas adsorption test, firstly, the first magnet block 10 and the sealing partition plate 9 are controlled to move by the second magnet 11 in the sliding outer guide rail 8 under the action of magnetic force, so that the space of the gas-filling box body 1 is absolutely isolated from the space of the adsorbent cylinder 2; then taking down the adsorbent cylinder 2, placing the adsorbent, and then rotating the adsorbent cylinder 3 to be hermetically connected with the gas-filling box body threaded member 6; then the box door 12 is closed tightly, the piston 16 is opened, the gas to be adsorbed is added from the middle hole, and the small fan 4 is started to rapidly and uniformly mix the gas components in the gas-filling box body 1. Finally, after gas components in the gas-filling box body 1 are uniformly mixed, after the initial concentration of the gas is measured by the testing instrument 3, the magnet block I10 and the sealing partition plate 9 are controlled by the magnet II 11 in the outer guide rail 8 to move reversely in a reverse sliding mode, so that the space of the gas-filling box body 1 is communicated with the space of the adsorbent cylinder 2, the adsorbent starts to adsorb the gas components in the gas-filling box body 1, the change of the gas concentration in the gas-filling box body 1 is monitored by the testing instrument 3 time by time until adsorption balance is achieved, a curve of the change of the gas concentration in the gas-filling box body 1 along with time is obtained, and the adsorption performance.
When the gas desorption test is carried out, after the adsorption test reaches adsorption balance and the concentration of gas in the gas-adding box body 1 is not changed, the first magnet block 10 and the sealing partition plate 9 are controlled to move by sliding the second magnet 11 in the outer guide rail 8 by utilizing the magnetic force, so that the space of the gas-adding box body 1 is sealed and isolated from the space of the adsorbent cylinder 2; then the box door 12 is opened, and the small fan 4 is started to empty the gas components in the gas filling box body 1; and finally, closing the box door 12 to seal the gas-filling box body 1, sliding the second magnet 11 in the outer guide rail 8 to control the first magnet block 10 and the sealing partition plate 9 to move, so that the space of the gas-filling box body 1 is communicated with the space of the adsorbent cylinder 2, desorbing gas components from the gas-filling box body 1 by the adsorbent, monitoring the change of the gas concentration in the gas-filling box body 1 by time by using the testing instrument 3 until desorption balance is reached, obtaining a curve of the change of the gas concentration in the gas-filling box body 1 along with time, and judging the desorption performance of the adsorbent.
In conclusion, this device of gas composition adsorption and desorption test utilizes the principle of magnet gravitation, thereby it changes the position of inboard magnet piece 10 and seal baffle 9 to move through the magnet piece 11 of controlling the gassing box 1 outside, and then realize the sealed separation of gassing box 1 space and adsorbent section of thick bamboo 2 space or open the intercommunication, make testing arrangement possess controllable separation and communicate the advantage in gaseous place space and adsorbent place space, it is not good to have solved unable accurate acquisition gas initial concentration among the current adsorption and desorption test field, the device leakproofness is not good, adsorption and desorption test inconvenient scheduling problem in turn, and realized the integration of gas composition adsorption and desorption testing arrangement.
The present invention provides only an apparatus for gas component adsorption and desorption test, and it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (9)
1. An apparatus for gas component adsorption and desorption testing, characterized by comprising: the device comprises an air-entrapping box body (1), an adsorbent cylinder (2), a test instrument (3) and a small fan (4);
the device comprises an air-entrapping box body (1), an adsorbent cylinder (2), a guide pipe (5), an inner guide rail (7) and an outer guide rail (8), wherein the inner side and the outer side of a wall body connected with the air-entrapping box body (1) and the adsorbent cylinder (2) are respectively and fixedly connected with the inner side guide rail (7) and the outer side guide rail (8) of a guide groove, the guide groove of the inner side guide rail (7) is internally and slidably connected with a sealing partition plate (9), one side part of the sealing partition plate (9) is fixed on a first magnet block (10), and the guide groove of the outer side guide rail (8) is internally and slidably connected with a second magnet block (11);
magnet piece (11) No. two are corresponding to the same position of the same wall body inside and outside of air entrainment box (1) respectively with magnet piece (10), magnet piece (11) No. two drive magnet piece (10) and seal baffle (9) when sliding in the guide slot of outside guide rail (8) and remove in inside guide rail (7), seal baffle (9) can seal when sliding in inside guide rail (7) and separate or open the space between intercommunication air entrainment box (1) and adsorbent section of thick bamboo (2).
2. The apparatus for gas component adsorption and desorption test according to claim 1, wherein: the gas filling box is characterized in that a box door (12) is arranged on the outer wall of one side of the gas filling box body (1), the bottom end of the box door (12) is connected with the gas filling box body (1) through a hinge (13), the top end of the box door (12) is fixed with the gas filling box body (1) through a lock catch (14), and a sealing strip (15) is arranged on the inner side part of the box door (12) in contact with the gas filling box body (1).
3. The apparatus for gas component adsorption and desorption test according to claim 2, wherein: the middle part of the box door (13) is provided with a small round hole and is embedded with a piston (16).
4. The apparatus for gas component adsorption and desorption test according to claim 1, wherein: the inner side of the gas filling box body (1) is provided with a small fan (4).
5. The apparatus for gas component adsorption and desorption test according to claim 1, wherein: the interface of the conduit (5) and the gas filling tank body (1) is sealed by a sealing plug (17).
6. The apparatus for gas component adsorption and desorption test according to claim 1, wherein: the inner guide rail (7) and the outer guide rail (11) are fixed on the gas filling box body (1) through bolts (18).
7. The apparatus for gas component adsorption and desorption test according to claim 1, wherein: the sealing partition plate (9) and the first magnet block (10) are fixedly connected into a whole through an adhesive.
8. The apparatus for gas component adsorption and desorption test according to claim 1, wherein: the second magnet block (11) slides in the outer side guide rail (8) in a limiting manner.
9. The apparatus for gas component adsorption and desorption test according to claim 1, wherein: the adsorbent section of thick bamboo (2) inner chamber is cylindricly and is used for placing the adsorbent, an adsorbent section of thick bamboo (2) with the link of aeration box (1) is the internal thread port, the wall body outside of aeration box (1) and adsorbent section of thick bamboo (3) junction is equipped with fixed screw member (6), screw member (6) are threaded connection with adsorbent section of thick bamboo (3), aeration box (1) is used for holding the gas of required absorption or desorption.
Priority Applications (1)
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CN202010850531.5A CN112014264A (en) | 2020-08-21 | 2020-08-21 | Device for gas component adsorption and desorption test |
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CN202010850531.5A CN112014264A (en) | 2020-08-21 | 2020-08-21 | Device for gas component adsorption and desorption test |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10185348A (en) * | 1996-11-05 | 1998-07-14 | Denso Corp | Manufacture of adsorbent module |
US20080253932A1 (en) * | 2007-04-10 | 2008-10-16 | Gross Karl J | Multiple Sample Gas Sorption Tester |
CN104614496A (en) * | 2015-02-13 | 2015-05-13 | 福建省鑫森炭业股份有限公司 | Formaldehyde adsorption test cabin |
CN104897514A (en) * | 2015-06-12 | 2015-09-09 | 徐春碧 | Device for measuring danks surface gas adsorption and danks desorption curves |
CN209302483U (en) * | 2018-12-06 | 2019-08-27 | 王培德 | A kind of activated carbon adsorption desorption case for having more adsorption layers that temperature can be changed |
CN210376271U (en) * | 2019-04-30 | 2020-04-21 | 天津清科材慧环保科技有限公司 | Movable airtight testing device |
-
2020
- 2020-08-21 CN CN202010850531.5A patent/CN112014264A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10185348A (en) * | 1996-11-05 | 1998-07-14 | Denso Corp | Manufacture of adsorbent module |
US20080253932A1 (en) * | 2007-04-10 | 2008-10-16 | Gross Karl J | Multiple Sample Gas Sorption Tester |
CN104614496A (en) * | 2015-02-13 | 2015-05-13 | 福建省鑫森炭业股份有限公司 | Formaldehyde adsorption test cabin |
CN104897514A (en) * | 2015-06-12 | 2015-09-09 | 徐春碧 | Device for measuring danks surface gas adsorption and danks desorption curves |
CN209302483U (en) * | 2018-12-06 | 2019-08-27 | 王培德 | A kind of activated carbon adsorption desorption case for having more adsorption layers that temperature can be changed |
CN210376271U (en) * | 2019-04-30 | 2020-04-21 | 天津清科材慧环保科技有限公司 | Movable airtight testing device |
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