CN108057315B - Adsorption device capable of being quickly disassembled and assembled and capable of sampling and measuring adsorbed gas - Google Patents

Adsorption device capable of being quickly disassembled and assembled and capable of sampling and measuring adsorbed gas Download PDF

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CN108057315B
CN108057315B CN201610985870.8A CN201610985870A CN108057315B CN 108057315 B CN108057315 B CN 108057315B CN 201610985870 A CN201610985870 A CN 201610985870A CN 108057315 B CN108057315 B CN 108057315B
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end cover
main body
containing box
adsorbent containing
adsorbent
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CN108057315A (en
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王坤俊
吴波
史英霞
马莉
刘新建
王幽雁
陈建利
高琳锋
沈大鹏
吴振龙
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China Institute for Radiation Protection
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China Institute for Radiation Protection
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/02Separation 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
    • B01D53/04Separation 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/22Devices for withdrawing samples in the gaseous state
    • G01N1/2202Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
    • G01N1/2214Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling by sorption

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Abstract

The invention belongs to the technical field of air purification, and relates to an adsorption device which can be quickly assembled and disassembled and can be used for sampling and measuring adsorbed gas. The device comprises a main body, an adsorbent containing box supporting piece, an adsorbent containing box, an air inlet end cover and an air outlet end cover, wherein one or more adsorbent containing box supporting pieces are installed in the main body, the adsorbent containing box supporting piece is provided with a cylindrical outer wall, a circle of annular protrusion is radially arranged along the inner side of the cylindrical outer wall, the upper surface of the annular protrusion supports the adsorbent containing box above, and the lower surface of the annular protrusion extrudes the adsorbent containing box below; the adsorbent containing box is used for containing the adsorbent; the main body is connected and fixed with an air inlet end cover at the uppermost end and connected and fixed with an air outlet end cover at the lowermost end, and the air inlet end cover and the air outlet end cover are respectively provided with an air inlet and an air outlet; the lower surface of the air inlet end cover extrudes the uppermost adsorbent containing box, and the upper surface of the air outlet end cover supports the lowermost adsorbent containing box. Compared with the adsorption device in the prior art, the adsorption device is convenient to disassemble and assemble, and can be used for sampling and measuring adsorbed gas.

Description

Adsorption device capable of being quickly disassembled and assembled and capable of sampling and measuring adsorbed gas
Technical Field
The invention belongs to the technical field of air purification, and relates to an adsorption device which can be quickly assembled and disassembled and can be used for sampling and measuring adsorbed gas.
Background
In research and application of an adsorption material, particularly in research in the technical field of air purification, an adsorption device is often required to adsorb specific gas so as to research the adsorption performance of the adsorption material on the adsorbed gas, but in some special test environments and conditions, the adsorption device after adsorbing the gas needs to be quickly disassembled and assembled, and in addition, some gas adsorption devices with toxicity or radioactivity need to be capable of being quickly disassembled and assembled by testers so as to reduce the harm to human bodies. Meanwhile, in many cases, it is necessary to study the penetration of the adsorbed gas through the adsorption medium for a long time, and when the adsorption apparatus is repeatedly disassembled and assembled, it is required to maintain the existing adsorption gradient of the adsorption medium, so that the distribution state of the adsorbed gas in the adsorption medium cannot be destroyed.
For example, in the field of nuclear air purification, the iodine adsorbers of a ventilation purification system of a domestic M310 stack type nuclear power station where people can live in the environment are arranged in series of two stages of iodine adsorbers, the effective thickness of adsorbed activated carbon reaches 10cm, so as to ensure the safety of the people who live in the accident state, in order to study the change trend of the efficiency of the iodine adsorber system in the environment where people can live in the accident condition along with the time, the efficiency of the activated carbon needs to be measured at certain intervals in the continuous long-time test process, the distribution of the carbon layer of the activated carbon is ensured to be unchanged in the process of repeatedly disassembling and assembling the activated carbon, and the distribution state of the activated carbon for adsorbing radioactive iodine is prevented from being influenced.
In such research and application, it is important to design and develop an adsorption apparatus that can be quickly disassembled and assembled and can perform sampling and measurement of adsorbed gas.
Disclosure of Invention
The invention aims to provide an adsorption device which can be quickly assembled and disassembled and can be used for sampling and measuring adsorbed gas, so as to solve the technical problems that the adsorption device is not easy to assemble and disassemble and the adsorbed gas is not easy to sample and measure.
To achieve the purpose, in a basic embodiment, the invention provides an adsorption device which can be quickly assembled and disassembled and can carry out the sampling and measurement of adsorbed gas, and the adsorption device comprises a main body, an adsorbent containing box supporting piece, an adsorbent containing box, a gas inlet end cover and a gas outlet end cover,
one or more adsorbent packing box supporting pieces are arranged in the main body, each adsorbent packing box supporting piece is provided with a cylindrical outer wall, a circle of annular protrusion is arranged along the radial direction of the inner side of the cylindrical outer wall, the upper surface of each annular protrusion supports the upper adsorbent packing box, and the lower surface of each annular protrusion presses the lower adsorbent packing box;
the adsorbent containing box is used for containing the adsorbent;
the main body is connected and fixed with an air inlet end cover at the uppermost end and connected and fixed with an air outlet end cover at the lowermost end, and the air inlet end cover and the air outlet end cover are respectively provided with an air inlet and an air outlet;
the lower surface of the air inlet end cover extrudes the uppermost adsorbent containing box, and the upper surface of the air outlet end cover supports the lowermost adsorbent containing box.
In a preferred embodiment, the present invention provides an adsorption apparatus capable of rapid disassembly and assembly and performing sampling measurement of adsorbed gas, wherein grooves are formed on the outer sides of the upper and lower surfaces of the annular protrusion of each adsorbent cartridge support, the outer side of the lower surface of the inlet end cap and the outer side of the upper surface of the outlet end cap, and are used for installing rubber sealing rings to form sealing surfaces to fixedly seal the adsorbent cartridges.
In a preferred embodiment, the invention provides an adsorption device which can be quickly disassembled and assembled and can be used for sampling and measuring adsorbed gas, wherein the main body is divided into a plurality of sections, the plurality of sections are connected and screwed through peripheral quick-release flanges, the uppermost end of the uppermost section of the main body is connected and fixed with a gas inlet end cover, and the lowermost end of the lowermost section of the main body is connected and fixed with a gas outlet end cover.
In a preferred embodiment, the invention provides an adsorption device which can be quickly disassembled and assembled and can be used for sampling and measuring adsorbed gas, wherein an O-shaped sealing ring is arranged between quick-disassembling flanges at the periphery of the joint of a plurality of sections of main bodies.
In a preferred embodiment, the invention provides an adsorption device which can be quickly disassembled and assembled and can be used for sampling and measuring adsorbed gas, wherein the O-shaped sealing ring is made of polytetrafluoroethylene.
In a preferred embodiment, the present invention provides a rapid-release and measurement-capable adsorbent device, wherein the main body is divided into a plurality of sections, and each section of the main body is provided with 1-3 adsorbent cartridge supports.
In a preferred embodiment, the present invention provides a rapid-release and sample-measuring adsorbent device wherein one of said adsorbent cartridges is also compressively held at the junction of each two sections of the body by the uppermost adsorbent cartridge support in the lower body and the lowermost adsorbent cartridge support in the upper body.
In a preferred embodiment, the present invention provides an adsorption apparatus capable of being quickly disassembled and assembled and performing sampling measurement of adsorbed gas, wherein the main body is divided into two sections, and 2 adsorbent containing box supporting members are respectively installed on the upper and lower sections of the main body; and the joint of the upper and lower sections of the main body is also fixed with one adsorbent containing box by the support piece of the adsorbent containing box at the upper part of the lower section of the main body and the support piece of the adsorbent containing box at the lower part of the upper section of the main body in an extruding way.
In a preferred embodiment, the present invention provides an adsorption apparatus capable of being quickly disassembled and assembled and performing sampling and measurement of adsorbed gas, wherein the gas inlet end cap and the gas outlet end cap are respectively fixed with the main body through fasteners.
In a preferred embodiment, the present invention provides an adsorption device capable of being quickly disassembled and assembled and performing sampling measurement on adsorbed gas, wherein an upper pressure measuring hole is arranged on the gas inlet end cover, a lower pressure measuring hole is arranged on the gas outlet end cover, and the upper pressure measuring hole and the lower pressure measuring hole can be respectively connected with two ports of a differential pressure gauge for measuring a gas inlet-outlet differential pressure in the adsorption device.
Compared with the adsorption device in the prior art, the adsorption device is convenient to disassemble and assemble, and can be used for sampling and measuring adsorbed gas. Therefore, the adsorption device is particularly suitable for the adsorption of radioactive gas, is also particularly suitable for detecting the adsorption efficiency of the radioactive gas after the radioactive gas is adsorbed by the iodine adsorber and the condition that the adsorption efficiency changes along with time, and can be used for separating and blocking the sampling of radioactive iodine.
Drawings
Fig. 1 is a front view of an external appearance of an adsorption apparatus which can be quickly disassembled and assembled and can perform sampling measurement of adsorbed gas according to the present invention.
FIG. 2 is a longitudinal, axial cross-sectional view of a quick disconnect, and adsorbed gas sampling measurement enabled adsorption apparatus of the present invention.
FIG. 3 is a front view of a sorbent cartridge support of the present invention for a quick disconnect and sample measurement of sorbed gases.
Fig. 4 is a cross-sectional view of the sorbent cartridge support in the axial direction of the adsorption apparatus of the present invention that is quick to disassemble and assemble and that allows for the sampling and measurement of adsorbed gas.
FIG. 5 is a top view of a sorbent cartridge support member of the adsorption apparatus of the present invention that is quick to disassemble and assemble and that allows for the sampling and measurement of adsorbed gas.
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings.
An exemplary adsorption device capable of being quickly disassembled and assembled and performing sampling measurement on adsorbed gas is shown in fig. 1-2 and comprises an air inlet end cover 1, an air inlet 2, a fastening piece 3, an upper main body 4, a clamping type vacuum quick-release flange 5, a lower main body 6, an air outlet 7, an air outlet end cover 8, an upper pressure measuring hole 9, an activated carbon adsorbent containing box 10, an adsorbent containing box supporting piece 11, an O-shaped sealing ring 12, a groove 13 and a lower pressure measuring hole 14. Sorbent cartridge support member 11 is configured as shown in fig. 3-5 and includes a recess 13, a cylindrical outer wall 15, and an annular projection 16.
The main body is divided into an upper section and a lower section, the uppermost end of the upper main body 4 is connected and fixed with the air inlet end cover 1 through the fastener 3, and the lowermost end of the lower main body 6 is connected and fixed with the air outlet end cover 8 through the fastener 3. The upper main body 4 and the lower main body 6 are connected and screwed through a peripheral vacuum quick-release flange 5, and an O-shaped sealing ring 12 (made of polytetrafluoroethylene) is arranged at the periphery of the joint of the upper main body 4 and the lower main body 6, namely between the vacuum quick-release flanges 5.
Inside each of the upper body 4 and the lower body 6, 2 sorbent cartridge supports 11 are installed. 1 active carbon adsorbent containing box 10 is fixed between 2 adsorbent containing box supporting pieces 11 arranged in the upper main body 4 in an extruding way; 1 active carbon adsorbent containing box 10 is fixed between 2 adsorbent containing box supporting pieces 11 arranged in the lower main body 6 in an extruding way; 1 active carbon adsorbent containing box 10 is fixed between an adsorbent containing box support piece 11 arranged above the upper main body 4 and the lower surface of the air inlet end cover 1 in an extruding way; 1 activated carbon adsorbent containing box 10 is fixed between an adsorbent containing box support piece 11 arranged below in the lower main body 6 and the upper surface of the air outlet end cover 8 in an extruding way; 1 activated carbon adsorbent holding box 10 is fixed between the lower adsorbent holding box support 11 installed in the upper main body 4 and the upper adsorbent holding box support 11 installed in the lower main body 6 in a pressing manner, and the activated carbon adsorbent holding box 10 is positioned at the joint of the upper main body 4 and the lower main body 6.
Each of the adsorbent holding case supports 11 has a cylindrical outer wall 15, and a ring-shaped protrusion 16 is provided along the inner radial direction of the cylindrical outer wall 15, the upper surface of the ring-shaped protrusion 16 supporting the upper activated carbon adsorbent holding case 10, and the lower surface of the ring-shaped protrusion 16 pressing the lower activated carbon adsorbent holding case 10.
The outer sides of the upper and lower surfaces of the annular protrusion 16 of each adsorbent holding case support member 11, and the outer side of the lower surface of the inlet end cap 1, and the outer side of the upper surface of the outlet end cap 8 are each provided with a groove 13 for receiving a rubber packing to form a sealing surface for fixedly sealing the activated carbon adsorbent holding case 10.
The gas inlet end cover 1 is provided with a gas inlet 2 and an upper pressure measuring hole 9, and the gas outlet end cover 8 is provided with a gas outlet 7 and a lower pressure measuring hole 14. The upper pressure measuring hole 7 and the lower pressure measuring hole 14 can be respectively connected with two ports of the differential pressure gauge and are used for measuring the gas inlet-outlet differential pressure in the absorption device.
When the adsorption device is repeatedly disassembled and assembled in a continuous test, only the adsorbent containing box 10 needs to be taken out for measurement, and then the adsorption device is re-assembled without pouring and reloading the adsorbent. Therefore, the device is convenient and quick to operate, is more favorable for maintaining the gradient of the adsorbent adsorption layer, and avoids the distribution change of the adsorbed substances on the adsorbent layer caused by measurement, disassembly and assembly.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is intended to include such modifications and variations. The foregoing examples or embodiments are merely illustrative of the present invention, which may be embodied in other specific forms or in other specific forms without departing from the spirit or essential characteristics thereof. The described embodiments are, therefore, to be considered in all respects as illustrative and not restrictive. The scope of the invention should be indicated by the appended claims, and any changes that are equivalent to the intent and scope of the claims should be construed to be included therein.

Claims (9)

1. The utility model provides a but quick assembly disassembly and can carry out adsorbed gas sampling measuring adsorption equipment which characterized in that: the adsorption device comprises a main body, an adsorbent containing box supporting piece, an adsorbent containing box, an air inlet end cover and an air outlet end cover,
one or more adsorbent packing box supporting pieces are arranged in the main body, each adsorbent packing box supporting piece is provided with a cylindrical outer wall, a circle of annular protrusion is arranged along the radial direction of the inner side of the cylindrical outer wall, the upper surface of each annular protrusion supports the upper adsorbent packing box, and the lower surface of each annular protrusion presses the lower adsorbent packing box;
the adsorbent containing box is used for containing the adsorbent;
the main body is connected and fixed with an air inlet end cover at the uppermost end and connected and fixed with an air outlet end cover at the lowermost end, and the air inlet end cover and the air outlet end cover are respectively provided with an air inlet and an air outlet;
the lower surface of the air inlet end cover extrudes the uppermost adsorbent containing box, the upper surface of the air outlet end cover supports the lowermost adsorbent containing box,
grooves are formed in the outer sides of the upper surface and the lower surface of the annular protrusion of each adsorbent containing box supporting piece, the outer side of the lower surface of the air inlet end cover and the inner side of the outer side of the upper surface of the air outlet end cover and used for being filled with rubber sealing rings to form sealing surfaces so as to fixedly seal the adsorbent containing boxes.
2. The adsorption device of claim 1, wherein: the main body is divided into a plurality of sections, the sections are connected and screwed through peripheral quick-release flanges, the uppermost end of the uppermost section of the main body is connected and fixed with an air inlet end cover, and the lowermost end of the lowermost section of the main body is connected and fixed with an air outlet end cover.
3. The adsorption device of claim 2, wherein: and O-shaped sealing rings are arranged between the quick-release flanges at the periphery of the joint of the multi-section main bodies.
4. A sorption arrangement according to claim 3, wherein: the O-shaped sealing ring is made of polytetrafluoroethylene.
5. The adsorption device of claim 2, wherein: the main body is divided into a plurality of sections, and 1-3 adsorbent containing box supporting pieces are installed on each section of the main body.
6. The adsorption device of claim 5, wherein: and one adsorbent containing box is also fixed at the joint of each two sections of main bodies through the uppermost adsorbent containing box supporting piece in the lower main body and the lowermost adsorbent containing box supporting piece in the upper main body in an extruding way.
7. The adsorption device of claim 6, wherein: the main body is divided into two sections, and the upper section main body and the lower section main body are respectively provided with 2 adsorbent containing box supporting pieces; and the joint of the upper and lower sections of the main body is also fixed with one adsorbent containing box by the support piece of the adsorbent containing box at the upper part of the lower section of the main body and the support piece of the adsorbent containing box at the lower part of the upper section of the main body in an extruding way.
8. The adsorption device of claim 1, wherein: the air inlet end cover and the air outlet end cover are respectively fixed with the main body through fasteners.
9. The adsorption device of claim 1, wherein: the air inlet end cover is provided with an upper pressure measuring hole, the air outlet end cover is provided with a lower pressure measuring hole, and the upper pressure measuring hole and the lower pressure measuring hole can be respectively connected with two ports of a differential pressure gauge and used for measuring the pressure difference of an air inlet and an air outlet in the absorption device.
CN201610985870.8A 2016-11-09 2016-11-09 Adsorption device capable of being quickly disassembled and assembled and capable of sampling and measuring adsorbed gas Active CN108057315B (en)

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CN108057315B true CN108057315B (en) 2021-08-17

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Publication number Priority date Publication date Assignee Title
CN111006914A (en) * 2019-11-15 2020-04-14 中国辐射防护研究院 Quick sampling clamp for efficiency test of iodine adsorber
CN113310865A (en) * 2021-04-28 2021-08-27 岭东核电有限公司 Nuclear power station active carbon performance detection system and method
CN113893643A (en) * 2021-09-01 2022-01-07 亚达管道系统股份有限公司 High vacuum annular gas adsorption piece

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CN201389421Y (en) * 2009-04-16 2010-01-27 河南核净洁净技术有限公司 Iodine adsorber
CN101695619B (en) * 2009-11-12 2011-05-11 民政部一零一研究所 Drawer type active carbon filter
CN103230680A (en) * 2013-04-17 2013-08-07 天津滨环化学工程技术研究院有限公司 Two-section adsorption column with three-way valve

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