CN108535424A - A kind of test specimen VOC discharges the removal system of amount detecting device and formaldehyde in air - Google Patents
A kind of test specimen VOC discharges the removal system of amount detecting device and formaldehyde in air Download PDFInfo
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- CN108535424A CN108535424A CN201810751235.2A CN201810751235A CN108535424A CN 108535424 A CN108535424 A CN 108535424A CN 201810751235 A CN201810751235 A CN 201810751235A CN 108535424 A CN108535424 A CN 108535424A
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- Prior art keywords
- air inlet
- babinet
- operating room
- air
- outlet
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- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title claims abstract description 141
- 238000012360 testing method Methods 0.000 title claims abstract description 27
- 238000002474 experimental method Methods 0.000 claims abstract description 47
- 238000003756 stirring Methods 0.000 claims abstract description 32
- 238000000746 purification Methods 0.000 claims abstract description 18
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000005406 washing Methods 0.000 claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 claims abstract description 9
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 8
- 239000003054 catalyst Substances 0.000 claims abstract description 8
- 238000004821 distillation Methods 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims abstract description 3
- 238000001704 evaporation Methods 0.000 claims description 7
- 230000008020 evaporation Effects 0.000 claims description 7
- 235000012773 waffles Nutrition 0.000 claims description 5
- 238000009298 carbon filtering Methods 0.000 claims description 3
- 239000012153 distilled water Substances 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 abstract description 2
- 235000019256 formaldehyde Nutrition 0.000 description 43
- 229960004279 formaldehyde Drugs 0.000 description 40
- 239000000463 material Substances 0.000 description 11
- 238000001514 detection method Methods 0.000 description 6
- 239000011941 photocatalyst Substances 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 208000032170 Congenital Abnormalities Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 208000006673 asthma Diseases 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 208000004529 formaldehyde poisoning Diseases 0.000 description 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/0047—Organic compounds
-
- 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
- B01D53/007—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 irradiation
-
- 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
-
- 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
- B01D53/14—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 absorption
- B01D53/1487—Removing organic compounds
-
- 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
- B01D53/14—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 absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- 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
- B01D53/86—Catalytic processes
- B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
-
- 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
- B01D2255/00—Catalysts
- B01D2255/80—Type of catalytic reaction
- B01D2255/802—Photocatalytic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/704—Solvents not covered by groups B01D2257/702 - B01D2257/7027
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/45—Gas separation or purification devices adapted for specific applications
- B01D2259/4508—Gas separation or purification devices adapted for specific applications for cleaning air in buildings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/45—Gas separation or purification devices adapted for specific applications
- B01D2259/4566—Gas separation or purification devices adapted for specific applications for use in transportation means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/804—UV light
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
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- Immunology (AREA)
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- Food Science & Technology (AREA)
- Combustion & Propulsion (AREA)
- Toxicology (AREA)
- Medicinal Chemistry (AREA)
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- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of test specimen VOC to discharge amount detecting device, including experiment bin babinet, it is provided with operating room in experiment bin babinet, operating room lower end is supported on the wind-guiding pedestal in experiment bin box baseplate, the top surface of operating room is provided with stirring Blower Housing, stir stirring wind turbine in installation top in Blower Housing, there are the air inlet crack or small air inlet hole with the grid hole unicom of wind-guiding pedestal in the bottom end of operating room, it is distributed on the side wall and top plate of operating room and outlet crack or outlet aperture, it is provided with outlet crack or outlet aperture on the left of stirring Blower Housing, it is provided with recycle gas blower on the right side wall of experiment bin babinet, evaporate dehumidifier, heater, humidifier, purification air inlet after purifying formaldehyde, exhaust outlet and gas production mouth.The removal system of formaldehyde in air includes the air intake pump being sequentially connected, the first active carbon filter, light catalyst filter, distillation water washing groove, distills and is provided with drier and flowmeter on the top escape pipe of water washing groove.Meet testing requirement.
Description
Technical field
The present invention relates to a kind of test specimen VOC release amount detecting devices and the removal systems of formaldehyde in air, are used for house ornamentation material
Material, the detection of automotive upholstery burst size of methanal.
Background technology
Fitment material for family, automotive upholstery in production, can all use and arrive formaldehyde.The release of formaldehyde is a slow mistake
Journey, and it is harmful.When concentration of formaldehyde reaches 0.08-0.09mg in every cubic metres of air, children will occur slightly
Asthma.When reaching 0.1mg/m3 in room air, just there are peculiar smell and sense of discomfort.When reaching 0.5mg/m3, eyes can be stimulated, are drawn
It rises and sheds tears.Reach 0.6mg/m3, throat discomfort or pain can be caused.And the formaldehyde of Long Term Contact low dosage but will cause chronic exhale
Inhale a variety of diseases such as tract disease, the decline of teenager's memory intelligence, fetal anomaly and cancer！
The harm of formaldehyde makes people awe-inspiring, however, more frightening thing, more and more new houses fit up family, family
People is daily in the environment that formaldehyde severely exceeds, and oneself is not known completely, and the children of annual formaldehyde poisoning are with 20%
Speed increase.
For this case, country has also put into effect relevant standard, to release formaldehydes such as automotive interior material, fitment material for family
And pernicious gas has made regulation, it is necessary to which reaching standard could use.This is just needed to formaldehyde etc. contained by indoor material and product
The burst size of noxious material is detected, especially the detection of the burst size of the formaldehyde under a room temperature constant environment.Thus
Need to provide a detection environment to meet the requirements (according to national standard GBT17657-2013《Wood-based plate and face artificial board physics and chemistry
Method for testing performance》And LY/T1612-2004《Burst size of methanal detection 1m3Climate box》, formaldehyde background concn must reach：≤
0.006mg/m3, the index that tests out in this way is just true and reliable.), detecting system when being detected, needs indoor to detection
Original air in formaldehyde handled.It allows the air without formaldehyde of purification to be full of sensing chamber, could accurately obtain in this way
The amount of the formaldehyde of material release.It also needs to that temperature, the humidity in experimental cabin are carried out strictly controlling (temperature range：20 DEG C~25
DEG C, humidity range：40~50%RH, temperature control precision：≤±0.5℃；Humid control precision：± 3% (when steady state)；
Rate of ventilation：>=1 time/hour；Specimen surface air velocity： 0.1-0.3m/s；Formaldehyde background concn must reach：≤
0.006mg/m3).Indoor air flowing should so as to detect so that it is uniform to detect indoor temperature, moisture distribution, and wants
Ensure the uniformity of sampling.It cannot allow speed (regulation specimen surface air velocity be 0.1-0.3m/s) mistake that air flows again
Greatly, airflow fluctuation cannot be too big, avoids the release of interference formaldehyde.Therefore, how to design such a experiment bin becomes us
Problem in urgent need to solve.
Meanwhile how to realize that the amount by the formaldehyde in air is reduced to≤0.006mg/m3And we are badly in need of being solved
Problem.
Invention content
In order to solve the above-mentioned technical problem, the purpose of the present invention is to provide a kind of removal systems of formaldehyde in air, should
Formaldehyde in air can be removed to satisfaction≤0.006mg/m by system3Requirement.
The present invention also provides a kind of test specimen VOC to discharge amount detecting device, before testing, can meet test specimen VOC releases
Measure the requirement of the background formaldehyde of detection.During the test, the slow flowing of the air-flow of surface of test piece, entire experiment bin can be met
Interior air is uniform, even heat, ensures the accuracy of sampling, reduces airflow fluctuation.
To achieve the goals above, the technical scheme is that：A kind of removal system of formaldehyde in air, including air inlet
Pump, it is characterised in that：The gas outlet of the air intake pump is connected with the air inlet of the first active carbon filter, first activated carbon
The gas outlet of filter is connected with the air inlet of light catalyst filter, gas outlet and the distillation water washing of the light catalyst filter
The lower part air inlet of slot is connected, and drier and flowmeter are provided on the top escape pipe of the distillation water washing groove.
The purification process of air is：1, activated carbon adsorption：Activated carbon is a kind of widely used except aldehyde product, main use
The principle of physical absorption administers formaldehyde, has adsorption capacity to formaldehyde in air.
2. photocatalyst decomposes：Photocatalyst is derived from a kind of catalyst of Japan, can generate oxidation reaction with ultraviolet light, will
Formaldehyde (HCHO) is decomposed into carbon dioxide and water, to eliminate formaldehyde.
3. distilling water dissolution：Formaldehyde is soluble easily in water, and when air is by filling the device of distilled water, most of formaldehyde is with regard to molten
In water, air out is dehumidified solution by drier, so that it may to obtain pure and dry air.
What the second object of the present invention was realized in：A kind of test specimen VOC releases amount detecting device, including experiment bin case
Body, it is characterised in that：Operating room is provided in the experiment bin babinet, the operating room lower end is supported on positioned at experiment bin babinet
On wind-guiding pedestal on bottom plate, the top surface of the operating room is provided with stirring Blower Housing, is installed in the stirring Blower Housing
Top stirring wind turbine, the top stirring wind turbine is driven by decelerating motor to be operated, left and right sidewall and the experiment bin case of the operating room
There is distance between the left and right sidewall of body；The wind-guiding pedestal is the waffle slab surrounded by several horizontal and vertical wind deflectors, institute
The notch in the mesh for being distributed on wind-guiding pedestal and wind capable of being allowed to enter waffle slab is stated, the bottom end of the operating room has and wind-guiding pedestal
Grid hole unicom air inlet crack or small air inlet hole, the top of the operating room and stirring Blower Housing unicom, the work
Be distributed on the side wall and top plate of room with outlet crack or outlet aperture, be provided with outlet on the left of the stirring Blower Housing
Crack or outlet aperture, be provided on the right side wall of the experiment bin babinet recycle gas blower, evaporation dehumidifier, heater plus
In purification air inlet, exhaust outlet after wet device, purifying formaldehyde and gas production mouth, the purification air inlet and above-mentioned air
The top escape pipe of the distillation water washing groove of the removal system of formaldehyde is connected.
It is preferred that：The purification air inlet is located at bottom, and recycle gas blower is located above purification air inlet, institute
Evaporation dehumidifier, heater, humidifier is stated to be located between purification air inlet and recycle gas blower, the recycle gas blower
Air inlet is located at lower section, and air outlet is located at upper end, and the exhaust outlet and gas production mouth are located at the top of recycle gas blower.
Using the above scheme, the gap between operating room and experiment bin babinet constitutes air duct, by purification except at formaldehyde
The air of reason enters in experiment bin babinet with the air in experiment bin babinet into line replacement, and by heating, dehumidifying, air-flow is recycling
Under the action of air blower, uniformly flowed in experiment bin babinet, ensure operating room be in a constant temperature, constant humidity environment in.When
When air-flow flows to wind-guiding pedestal, partly enter in the grid hole of wind-guiding pedestal, subsequently into operating room, with the indoor gas that works
Stream swaps, and top stirring wind turbine plays stirring action to the indoor air-flow that works, and the outlet of air-flow from the side of operating room is small
Outlet crack or outlet aperture on the left of seam or outlet aperture and stirring Blower Housing are discharged into experiment bin babinet, experiment bin
Air-flow in babinet is discharged from exhaust outlet, by multiple air intake-exhaust, finally so that the indoor air of work and experiment bin case
Internal air is replaced into the low air of clean content of formaldehyde.In displaced air, due to there is no test specimen, top can be allowed to stir
The rotating speed for mixing wind turbine is fast, improves replacing velocity.
When completing air displacement so that the content of experiment bin babinet and the indoor formaldehyde in air of working reaches≤
0.006mg/m3When, test specimen is put into operating room, the rotating speed of top stirring wind turbine is adjusted, so that it is slowly rotated, in operating room
Air-flow play the role of being uniformly mixed that (top stirring wind turbine is controlled by decelerating motor, can adjust turning for stirring wind turbine
Speed.), air-flow due to by grid hole guiding and obstruction so that enter work indoor air flow flow velocity reduce, reduce operating room
Interior airflow fluctuation so that it is 0.1-0.3m/s that air-flow, which meets specimen surface air velocity, does not influence the normal of test specimen formaldehyde and releases
It puts the Form aldehyde release of actual response fitment material for family and automotive interior material (can horizontal), while allowing the indoor air-flow of work and experiment
Air-flow in the babinet of storehouse uniformly mixes so that the formaldehyde of release is evenly distributed in the air in operating room and experiment bin babinet
In, ensure the accuracy that thief hatch uses.
In said program：The upper end of the stirring Blower Housing is mounted on the inside of the top plate of experiment bin babinet, the deceleration
Motor is mounted on the top plate of experiment bin babinet.
In said program：It is provided with insulating layer on the wall of the experiment bin babinet.Thermal loss is reduced, constant temperature effect is played
Fruit.
In said program：The exhaust outlet is connected by pipeline with the second active carbon filtering device.After having tested, discharge
When the air containing harmful substances such as formaldehyde in experiment bin, is filtered by activated carbon adsorption, avoid impacting environment.
In said program：The bottom surface of the experiment bin babinet is provided with universal wheel.It is moved easily.
Advantageous effect：The present invention VOC environmental testings experiment bin can provide a constant temperature, constant humidity experimental situation.Simultaneously
The slow flowing of the air-flow of surface of test piece can be met, airflow fluctuation is reduced, do not interfere the normal release of the formaldehyde of material for test, it is whole
Air in a experiment bin is uniform, even heat, ensures the accuracy of sampling.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of wind-guiding pedestal.
Specific implementation mode
The invention will be further described for embodiment below in conjunction with the accompanying drawings：
Embodiment 1
As shown in Figs. 1-2, test specimen VOC of the invention discharges amount detecting device by experiment bin babinet 1, operating room 2, wind-guiding bottom
Seat 3, stirring Blower Housing 4, top stirring wind turbine 5, decelerating motor 6, recycle gas blower 7, evaporation dehumidifier 8, heater 9, humidification
Purification air inlet 11, exhaust outlet 12, gas production mouth 13, the second active carbon filter 14, air intake pump after device 10, purifying formaldehyde
15, the first active carbon filter 16, light catalyst filter 17, distillation water washing groove 18, drier 19, flowmeter 20 form.
It is provided with insulating layer on the wall of experiment bin babinet 1.The bottom surface of experiment bin babinet 1 is provided with universal wheel.
It is provided with operating room 2 in experiment bin babinet 1, is provided on experiment bin babinet 1 and operating room 2 and is put into test specimen
Door.2 lower end of operating room is supported on the wind-guiding pedestal 3 on 1 bottom plate of experiment bin babinet, and wind-guiding pedestal 3 is by several transverse directions
The notch in the mesh that wind can be allowed to enter waffle slab is distributed on wind-guiding pedestal 3, leads to for the waffle slab surrounded with longitudinal wind deflector
It crosses and the lower end setting notch of lateral wind deflector therein or vertical wind deflector is allowed to be entered in grid hole by notch by wind energy.
Stirring Blower Housing 4 is provided on the outside of the top surface of operating room 2, the upper end of stirring Blower Housing 4 is mounted on experiment bin
On the inside of the top plate of babinet 1, stirring wind turbine 5 in installation top in stirring Blower Housing 4, top stirring wind turbine 5 is driven by decelerating motor 6
Operating, decelerating motor 6 are mounted on the top plate of experiment bin babinet.
There is distance between the left and right sides and the left and right sidewall of experiment bin babinet 1 of operating room 2, which constitutes air duct, work
There are air inlet crack or small air inlet hole with the grid hole unicom of wind-guiding pedestal 3, the top of operating room 2 and stirring in the bottom end for making room 2
4 unicom of Blower Housing, is distributed on the side wall and top plate of operating room 2 and outlet crack or outlet aperture, stirs Blower Housing 4
Left side be provided with outlet crack or outlet aperture, be provided on the right side wall of experiment bin babinet 1 recycle gas blower 7, evaporation remove
Purification air inlet 11, exhaust outlet 12 after wet device 8, heater 9, humidifier 10, purifying formaldehyde and gas production mouth 13.Wherein
Purify air inlet 11 and be located at bottom, recycle gas blower 7 is located at purification air inlet 11 top, evaporation dehumidifier 8 plus
Hot device 9, humidifier 10 are located between purification air inlet 11 and recycle gas blower 7, under the air inlet of recycle gas blower 7 is located at
Side, air outlet are located at upper end, and exhaust outlet 12 and gas production mouth 13 are located at the top of recycle gas blower 7.Exhaust outlet 12 by pipeline with
Second active carbon filtering device 14 is connected.Purification air inlet 11 is connected with the removal system of formaldehyde in air.
Formaldehyde in air removal system includes air intake pump 15, the gas outlet of air intake pump 15 and the first active carbon filter 16
Air inlet is connected, and the gas outlet of the first active carbon filter 16 is connected with the air inlet of light catalyst filter 17, photocatalyst filter
The gas outlet of device 17 is connected with the lower part air inlet of distillation water washing groove 18, distills and is arranged on the top escape pipe of water washing groove 18
There are drier 19 and flowmeter 20.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
The specific implementation of the present invention is confined to these explanations.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to the present invention's
Protection domain.
Claims (7)
1. a kind of removal system of formaldehyde in air, including air intake pump, it is characterised in that：The gas outlet of the air intake pump and first
The air inlet of active carbon filter is connected, the gas outlet of first active carbon filter and the air inlet phase of light catalyst filter
Even, the gas outlet of the light catalyst filter is connected with the lower part air inlet of distillation water washing groove, the distillation water washing groove
It is provided with drier and flowmeter on the escape pipe of top.
2. a kind of test specimen VOC discharges amount detecting device, including experiment bin babinet, it is characterised in that：It is set in the experiment bin babinet
It is equipped with operating room, the operating room lower end is supported on the wind-guiding pedestal in experiment bin box baseplate, the operating room
Top surface is provided with stirring Blower Housing, and wind turbine is stirred on installation top in the stirring Blower Housing, and wind turbine is stirred by subtracting in the top
Speed motor drives operating, has distance between the left and right sidewall and the left and right sidewall of experiment bin babinet of the operating room；The wind-guiding
Pedestal is the waffle slab surrounded by several horizontal and vertical wind deflectors, is distributed on the wind-guiding pedestal and wind can be allowed to enter grid
Notch in the mesh of plate, the bottom end of the operating room have small with the air inlet crack of the grid hole unicom of wind-guiding pedestal or air inlet
Hole, the top of the operating room and stirring Blower Housing unicom, are distributed on the side wall and top plate of the operating room and outlet
Crack or outlet aperture are provided with outlet crack or outlet aperture, the experiment bin babinet on the left of the stirring Blower Housing
Right side wall on be provided with recycle gas blower, evaporation dehumidifier, heater, humidifier, the purification air inlet after purifying formaldehyde
Mouth, exhaust outlet and gas production mouth, the distilled water of the purification air inlet and the removal system of formaldehyde in air in claim 1
The top escape pipe of sink is connected.
3. test specimen VOC discharges amount detecting device according to claim 2, it is characterised in that：The purification air inlet position
In bottom, recycle gas blower is located above purification air inlet, and the evaporation dehumidifier, heater, humidifier are located at net
Change between air inlet and recycle gas blower, the air inlet of the recycle gas blower is located at lower section, and air outlet is located at upper end, institute
It states exhaust outlet and gas production mouth is located at the top of recycle gas blower.
4. test specimen VOC discharges amount detecting device according to claim 3, it is characterised in that：It is described to stir the upper of Blower Housing
On the inside of the top plate of experiment bin babinet, the decelerating motor is mounted on the top plate of experiment bin babinet at end.
5. discharging amount detecting device according to Claims 2 or 3 or the 4 test specimen VOC, it is characterised in that：The experiment bin babinet
Wall on be provided with insulating layer.
6. test specimen VOC discharges amount detecting device according to claim 5, it is characterised in that：The exhaust outlet by pipeline with
Second active carbon filtering device is connected.
7. test specimen VOC discharges amount detecting device according to claim 6, it is characterised in that：The bottom surface of the experiment bin babinet
It is provided with universal wheel.
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| CN201810751235.2A CN108535424B (en) | 2018-07-10 | 2018-07-10 | Test piece VOC release detection device and system for removing formaldehyde in air |
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