CN107983123B - Air filtration dust removal laboratory - Google Patents

Air filtration dust removal laboratory Download PDF

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Publication number
CN107983123B
CN107983123B CN201711481084.5A CN201711481084A CN107983123B CN 107983123 B CN107983123 B CN 107983123B CN 201711481084 A CN201711481084 A CN 201711481084A CN 107983123 B CN107983123 B CN 107983123B
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Prior art keywords
filter tube
filter
laboratory
tube
air
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CN201711481084.5A
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Chinese (zh)
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CN107983123A (en
Inventor
陈星星
陆荣茂
吴越
曾国权
黄振华
潘齐存
李敏
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Zhejiang Mariculture Research Institute
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Zhejiang Mariculture Research Institute
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Priority to CN201711481084.5A priority Critical patent/CN107983123B/en
Publication of CN107983123A publication Critical patent/CN107983123A/en
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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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/75—Multi-step processes
    • 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
    • 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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/38—Removing components of undefined structure
    • B01D53/40—Acidic components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/30—Alkali metal compounds
    • B01D2251/304—Alkali metal compounds of sodium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/40—Alkaline earth metal or magnesium compounds
    • B01D2251/404—Alkaline earth metal or magnesium compounds of calcium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/60—Inorganic bases or salts
    • B01D2251/604—Hydroxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/60—Inorganic bases or salts
    • B01D2251/606—Carbonates
    • 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
    • B01D2258/00—Sources of waste gases
    • B01D2258/06—Polluted air
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Filtering Materials (AREA)

Abstract

The invention relates to a laboratory, in particular to an air filtering and dedusting laboratory, which solves the problems of safe air intake and exhaust of the laboratory and comprises the laboratory, wherein an inlet filter device for filtering air flowing into the laboratory and an outlet filter device for filtering air flowing out of the laboratory are arranged in the laboratory, the inlet filter device at least comprises a first filter tube, a second filter tube, a third filter tube and a fourth filter tube, the first filter tube, the second filter tube, the third filter tube and the fourth filter tube are movably assembled in sequence, and Na is arranged in the second filter tube 2 CO 3 The filter element, the third filter tube is internally provided with NaOH solution, and the opening of one side of the inlet filter device close to the room is provided with CO 2 The sensor has the advantages of simple structure, convenient replacement of the filter element, safe air inlet and exhaust functions, low economic cost and accordance with the standard specification of a modern laboratory.

Description

Air filtration dust removal laboratory
Technical Field
The invention relates to a laboratory, in particular to an air filtering and dedusting laboratory.
Background
Traditional laboratory uses the cabinet of ventilating to filter the air, but the cabinet area that ventilates is too big, prevents the placing of other laboratory instruments, and economic cost is high, use many inconveniently, and lacks corresponding equipment of getting rid of, discharges acid gas or other gases safety that produces during laboratory experiments.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an air filtering and dedusting laboratory.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the air filtering and dedusting laboratory comprises a laboratory, wherein an inlet filtering device for filtering air flowing into the laboratory and an outlet filtering device for filtering air flowing out of the laboratory are arranged in the laboratory, the inlet filtering device at least comprises a first filter tube, a second filter tube, a third filter tube and a fourth filter tube, the first filter tube, the second filter tube, the third filter tube and the fourth filter tube are movably assembled in sequence, and Na is arranged in the second filter tube 2 CO 3 The filter element, the third filter tube is internally provided with NaOH solution, and the opening of one side of the inlet filter device close to the room is provided with CO 2 A sensor.
And a flow cavity for containing NaOH solution is arranged in the third filter tube, and the flow cavity is in a concave shape.
The flow cavity is provided with a central part, the central part symmetrically extends along the axial direction of the third filter tube to form a cleaning hole, and a glass cock is arranged at the cleaning hole.
The glass rotary plug is provided with a pull ring, and a rubber sealing ring is arranged at the pull ring.
The first filter tube, the second filter tube, the third filter tube and the fourth filter tube are fixedly connected through the connecting parts.
The connecting part comprises a chute and a sliding block, wherein the chute and the sliding block are of arc structures, and the chute and the sliding block are in sliding fit along an arc path.
The sliding groove is provided with a blocking part for preventing the sliding groove and the sliding block from being separated from each other in the axial direction.
CaCl is arranged in the first filter tube 2 The fourth filter tube is internally provided with an active carbon filter element.
The outlet filtering device comprises an exhaust pipe and a filtering tank, wherein the exhaust pipe and the filtering tank are fixedly assembled, and NaOH solution is arranged in the filtering tank.
The first filter tube, the second filter tube, the third filter tube and the fourth filter tube are limited to rotate through hoops, and rubber layers are arranged on the inner rings of the hoops.
The invention has the beneficial effects that: the air filtering and dedusting laboratory provided by the invention has the advantages of simple structure, convenience in replacing the filter element, safety in air intake and air exhaust, low economic cost and accordance with the standard specification of the modern laboratory.
Drawings
FIG. 1 is a schematic diagram of the laboratory 1 construction of the present invention;
FIG. 2 is a schematic view of the inlet filter device 2 of the present invention;
fig. 3 is a schematic structural view of a third filter tube 6 according to the present invention.
Detailed Description
As shown in figures 1-3, the air filtration and dust removal laboratory comprises a laboratory 1, wherein an inlet filter device 2 for filtering air flowing into the laboratory 1 and an outlet filter device 3 for filtering air flowing out of the laboratory 1 are arranged in the laboratory 1, the inlet filter device 2 at least comprises a first filter tube 4, a second filter tube 5, a third filter tube 6 and a fourth filter tube 7, the first filter tube 4, the second filter tube 5, the third filter tube 6 and the fourth filter tube 7 are movably assembled in sequence, and Na is arranged in the second filter tube 5 2 CO 3 The filter element 8, the third filter tube 6 is internally provided with a NaOH solution 9, and the opening of one side of the inlet filter device 2 close to the room is provided with CO 2 Sensor 10, naOH solution 9 is used to filter acid gases and CO from the incoming air 2 Gas, while acid gas and Na when NaOH solution 9 solution is saturated 2 CO 3 The filter element 8 reacts to generate CO 2 By CO 2 The sensor 10 detects this. When CO 2 When the concentration is too high, the failure of the NaOH solution 9 is indicated, the movable assembly among the filter pipes indicates that the inlet filter device 2 is of a split structure and can be easily detached and replaced, and the oil film is covered on the surface of the NaOH solution 9, so that too violent chemical reaction and bubble generation are prevented.
Preferably, a flow cavity 11 for containing the NaOH solution 9 is disposed in the third filter tube 6, the flow cavity 11 is in a concave shape, the flow cavity 11 is used for making air fully enter the NaOH solution 9, and the concave shape has the functions of a single inlet and outlet.
Preferably, the flow cavity 11 has a central portion 12, the central portion 12 extends axially symmetrically along the third filter tube 6 to form a cleaning hole 13, the cleaning hole 13 is provided with a glass cock 14, the naoh solution 9 has a characteristic of difficult cleaning, meanwhile, because of the structural characteristic of the flow cavity 11, some corners are difficult to clean, the cleaning hole 13 is provided, and meanwhile, the glass cock 14 is used for sealing, the glass cock 14 has a corrosion-resistant stable property, and a labyrinth sealing effect is achieved through threads, which is a common sense of a person skilled in the art, even if the fluid reaches a throttling or sealing effect by reducing the runoff through a tortuous path.
Preferably, the glass cock 14 is provided with a pull ring 15, and a rubber sealing ring 16 is arranged at the pull ring 15, the glass cock is conveniently rotated by the pull ring 15 to open the cleaning hole 13, and the effect of sealing and fixing the glass cock 14 is further achieved by the rubber sealing ring 16 arranged outside.
Preferably, the first filter tube 4, the second filter tube 5, the third filter tube 6 and the fourth filter tube 7 are fixedly connected through a connecting part 17, and the connecting part 17 refers to a connecting structure which is respectively arranged on the end surfaces of different filter tubes.
Preferably, the connecting portion 17 includes a sliding groove 18 and a sliding block 19, the sliding groove 18 and the sliding block 19 are both in arc-shaped structures, and the sliding groove 18 and the sliding block 19 are slidably matched along an arc-shaped path, so that the sliding groove 18 and the sliding block 19 are matched by the structures to limit linear displacement and deviation in a radial direction, and meanwhile, the sliding groove 18 and the sliding block 19 can only generate relative movement through rotation.
Preferably, the chute 18 has a blocking portion 20 for preventing the chute 18 from being separated from the chute 18, the blocking portion 20 is used to limit the linear displacement of the chute 18 and the slider 19 in the axial direction of the filter tube, that is, prevent the chute 18 and the slider 19 from being separated from each other in the axial direction, the blocking portion 20 is provided to indicate that the chute 18 is in a semi-open structure, and a part of the blocking portion is the blocking portion 20.
Preferably, caCl is arranged in the first filter tube 4 2 The filter element 21, the fourth filter tube 7 is internally provided with an active carbon filter element 22 and CaCl 2 The filter element 21 is used to absorb the remaining moisture and moisture generated by the chemical reaction.
Preferably, the outlet filtering device 3 comprises an exhaust pipe 23 and a filtering tank 24, the exhaust pipe 23 and the filtering tank 24 are fixedly assembled, the filtering tank 24 is internally provided with a NaOH solution 9, and when the air of the laboratory 1 is discharged outdoors, the acid gas and the chemically active gas pass through the filtering tank 24 and are fully absorbed.
Preferably, the first filter tube 4, the second filter tube 5, the third filter tube 6 and the fourth filter tube 7 are limited to rotate by hoops, the inner ring of each hoop is provided with a rubber layer, and the sealing and fixing effects are achieved by the hoops and the rubber layers, and the hoops are mature prior art products, so that excessive description and limitation are not needed.
In addition, the inflow and the exhaust of air are controlled by the exhaust fan to control the flow diameter of the air flow. In the description of the present invention, it should be noted that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
The invention has the beneficial effects that: the air filtering and dedusting laboratory provided by the invention has the advantages of simple structure, convenience in replacing the filter element, safety in air intake and air exhaust, low economic cost and accordance with the standard specification of the modern laboratory.

Claims (5)

1. The air filtering and dedusting laboratory comprises a laboratory and is characterized in that an inlet filtering device for filtering air flowing into the laboratory and a filtering device are arranged in the laboratoryThe outlet filter device for flowing out laboratory air at least comprises a first filter tube, a second filter tube, a third filter tube and a fourth filter tube, wherein the first filter tube, the second filter tube, the third filter tube and the fourth filter tube are movably assembled in sequence, and Na is arranged in the second filter tube 2 CO 3 The filter element, the third filter tube is internally provided with NaOH solution, and the opening of one side of the inlet filter device close to the room is provided with CO 2 The sensor is used for detecting the position of the sensor,
a flow cavity for containing NaOH solution is arranged in the third filter tube, the flow cavity is in a concave shape,
the flow cavity body is provided with a central part, the central part symmetrically extends along the axial direction of the third filter tube to form a cleaning hole, a glass cock is arranged at the cleaning hole,
the glass rotary plug is provided with a pull ring, a rubber sealing ring is arranged at the pull ring,
the first filter tube, the second filter tube, the third filter tube and the fourth filter tube are connected and fixed through the connecting parts,
the connecting part comprises a chute and a slide block, the chute and the slide block are of arc structures, the chute and the slide block are in sliding fit along an arc path,
CaCl is arranged in the first filter tube 2 The fourth filter tube is internally provided with an active carbon filter element.
2. The air filtration and dust removal laboratory of claim 1, wherein said chute is provided with a stop preventing the chute and the slide from being separated from each other in the axial direction.
3. The air filtration and dust removal laboratory according to claim 1 or 2, wherein the outlet filter device comprises an exhaust pipe and a filter tank, the exhaust pipe and the filter tank are fixedly assembled, and a NaOH solution is arranged in the filter tank.
4. The air filtration and dust removal laboratory of claim 1 or 2, wherein rotation between the first filter tube, the second filter tube, the third filter tube and the fourth filter tube is limited by a hoop, and a rubber layer is arranged on the inner ring of the hoop.
5. The air filtration and dust removal laboratory of claim 3, wherein rotation between the first filter tube, the second filter tube, the third filter tube and the fourth filter tube is limited by a hoop, and a rubber layer is arranged on an inner ring of the hoop.
CN201711481084.5A 2017-12-29 2017-12-29 Air filtration dust removal laboratory Active CN107983123B (en)

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CN107983123B true CN107983123B (en) 2023-06-30

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Citations (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2141873Y (en) * 1992-11-07 1993-09-08 戚鸣 Indoor air purifier
JPH05317644A (en) * 1991-10-02 1993-12-03 Mihashi Makoto Room air cleaner
JP2000281147A (en) * 1999-03-30 2000-10-10 Otsuka Pharmaceut Factory Inc Eye perfusion and washing liquid bag packaging body
JP2003053177A (en) * 2001-08-20 2003-02-25 Mitsubishi Heavy Ind Ltd System for controlling operation of harmful substance treating equipment
JP2007038169A (en) * 2005-08-04 2007-02-15 Kurita Water Ind Ltd Method and apparatus for removing acid gas
CN101105437A (en) * 2006-07-12 2008-01-16 中国人民解放军海军潜艇学院 Regenerative agent detection method and its device
JP2010070438A (en) * 2008-09-22 2010-04-02 Chiyoda Kako Kensetsu Kk Separation and recovery method of carbon dioxide in gas and apparatus for the same
CN201648002U (en) * 2009-08-11 2010-11-24 杨显铭 Absorber for CO2 in air
CN102258798A (en) * 2011-07-21 2011-11-30 张宏 Air cleaning device and air circulation system applying device in animal laboratory
CN102350368A (en) * 2011-06-22 2012-02-15 河北科技大学 Potassium carbonate solution based catalytic system used for removing CO2 in fume
EP2803401A1 (en) * 2013-05-16 2014-11-19 Air Products And Chemicals, Inc. Purification of air
CN104406256A (en) * 2014-12-10 2015-03-11 安徽金鑫实验设备科技有限公司 Laboratory air purification system
US9114338B2 (en) * 2008-09-19 2015-08-25 Fipak Research And Development Company Method and apparatus for purging unwanted substances from air
CN205208768U (en) * 2015-12-21 2016-05-04 河南三水环保科技有限公司 A air purification equipment for hospital ward
CN105675832A (en) * 2015-12-05 2016-06-15 张开航 Apparatus and method for measuring total organic carbon (TOC)
CN205316647U (en) * 2016-01-07 2016-06-15 中华人民共和国济宁出入境检验检疫局 Air purifier is used in portable laboratory
CN106669314A (en) * 2017-01-23 2017-05-17 南京马尔堡新材料科技有限公司 Air filtration filter element and filter device
CN206366555U (en) * 2016-12-26 2017-08-01 广州卓凡实验室设备科技有限公司 A kind of laboratory hood with filtration system
CN206526638U (en) * 2017-01-14 2017-09-29 上海励晶科技发展有限公司 A kind of high school student's chemical laboratory efficiency air cleaning device
CN207822777U (en) * 2017-12-29 2018-09-07 浙江省海洋水产养殖研究所 Air filtering dust-removing laboratory

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070031302A1 (en) * 2005-08-08 2007-02-08 Carsten Wittrup Method and apparatus for purifying a gas
CN102112208A (en) * 2008-06-20 2011-06-29 碳工程合伙有限公司 Carbon dioxide capture
KR20160087861A (en) * 2013-11-21 2016-07-22 루쓰 머펫 Absorption of atmospheric carbon dioxide

Patent Citations (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05317644A (en) * 1991-10-02 1993-12-03 Mihashi Makoto Room air cleaner
CN2141873Y (en) * 1992-11-07 1993-09-08 戚鸣 Indoor air purifier
JP2000281147A (en) * 1999-03-30 2000-10-10 Otsuka Pharmaceut Factory Inc Eye perfusion and washing liquid bag packaging body
JP2003053177A (en) * 2001-08-20 2003-02-25 Mitsubishi Heavy Ind Ltd System for controlling operation of harmful substance treating equipment
JP2007038169A (en) * 2005-08-04 2007-02-15 Kurita Water Ind Ltd Method and apparatus for removing acid gas
CN101105437A (en) * 2006-07-12 2008-01-16 中国人民解放军海军潜艇学院 Regenerative agent detection method and its device
US9114338B2 (en) * 2008-09-19 2015-08-25 Fipak Research And Development Company Method and apparatus for purging unwanted substances from air
JP2010070438A (en) * 2008-09-22 2010-04-02 Chiyoda Kako Kensetsu Kk Separation and recovery method of carbon dioxide in gas and apparatus for the same
CN201648002U (en) * 2009-08-11 2010-11-24 杨显铭 Absorber for CO2 in air
CN102350368A (en) * 2011-06-22 2012-02-15 河北科技大学 Potassium carbonate solution based catalytic system used for removing CO2 in fume
CN102258798A (en) * 2011-07-21 2011-11-30 张宏 Air cleaning device and air circulation system applying device in animal laboratory
EP2803401A1 (en) * 2013-05-16 2014-11-19 Air Products And Chemicals, Inc. Purification of air
CN104406256A (en) * 2014-12-10 2015-03-11 安徽金鑫实验设备科技有限公司 Laboratory air purification system
CN105675832A (en) * 2015-12-05 2016-06-15 张开航 Apparatus and method for measuring total organic carbon (TOC)
CN205208768U (en) * 2015-12-21 2016-05-04 河南三水环保科技有限公司 A air purification equipment for hospital ward
CN205316647U (en) * 2016-01-07 2016-06-15 中华人民共和国济宁出入境检验检疫局 Air purifier is used in portable laboratory
CN206366555U (en) * 2016-12-26 2017-08-01 广州卓凡实验室设备科技有限公司 A kind of laboratory hood with filtration system
CN206526638U (en) * 2017-01-14 2017-09-29 上海励晶科技发展有限公司 A kind of high school student's chemical laboratory efficiency air cleaning device
CN106669314A (en) * 2017-01-23 2017-05-17 南京马尔堡新材料科技有限公司 Air filtration filter element and filter device
CN207822777U (en) * 2017-12-29 2018-09-07 浙江省海洋水产养殖研究所 Air filtering dust-removing laboratory

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