CN107321751A - An edition workbench is washed in a kind of open type blowing and drawing ventilation gas defence - Google Patents
An edition workbench is washed in a kind of open type blowing and drawing ventilation gas defence Download PDFInfo
- Publication number
- CN107321751A CN107321751A CN201710733219.6A CN201710733219A CN107321751A CN 107321751 A CN107321751 A CN 107321751A CN 201710733219 A CN201710733219 A CN 201710733219A CN 107321751 A CN107321751 A CN 107321751A
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- Prior art keywords
- edition
- workbench
- washed
- open type
- gas defence
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 238000009423 ventilation Methods 0.000 title claims abstract description 57
- 238000007664 blowing Methods 0.000 title claims abstract description 29
- 238000005406 washing Methods 0.000 claims abstract description 31
- 239000007789 gas Substances 0.000 claims description 24
- 239000010808 liquid waste Substances 0.000 claims description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- 229910052799 carbon Inorganic materials 0.000 claims description 11
- 238000004140 cleaning Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- 239000002341 toxic gas Substances 0.000 claims description 6
- 239000002699 waste material Substances 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 3
- 238000000746 purification Methods 0.000 claims description 3
- 238000000151 deposition Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 231100000614 poison Toxicity 0.000 abstract description 16
- 230000007096 poisonous effect Effects 0.000 abstract description 12
- 239000000126 substance Substances 0.000 abstract description 12
- 239000002574 poison Substances 0.000 abstract description 4
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 230000004888 barrier function Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 231100000572 poisoning Toxicity 0.000 description 2
- 230000000607 poisoning effect Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 230000005532 trapping Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Cleaning In General (AREA)
Abstract
An edition workbench is washed in a kind of open type blowing and drawing ventilation gas defence, mainly including balanced ventilation device, uniform air exhausting device and washes an edition workbench.The workbench can effectively solve to wash the technical barrier that large area poisonous substance between version spreads long-distance control, significantly reduce concentration of poison between board-washing, protect the occupational health of labourer, realize automatically controlling for supply and exhaust device, reached the purpose of energy-conservation.The open type blowing and drawing ventilation gas defence, which washes an edition workbench and can be widely applied to electronics industry, washes an edition Work places, is with a wide range of applications.
Description
Technical field
Wash an edition workbench the present invention relates to a kind of open type blowing and drawing ventilation gas defence, specifically a kind of large area length away from
An edition workbench is washed in open type gas defence from air-flow isotypy blowing and drawing ventilation.
Background technology:
With rapid development of information technology, the demand of electronic component is increasing, is engaged in the enterprise of Electronic Components Manufacturing
Industry and labourer are also more and more.During Electronic Components Manufacturing to use silkscreen process, silk-screen half tone need to be used and washed more
Version water cleans attachment glue, the conducting resinl on surface, and the cleaning of silk-screen half tone is generally artificial operation, and live concentration of poison is exceeded serious,
But current China not yet causes enough attention to net washing water washing version on the influence of labourer's occupational health, when have occupational poisoning event
Generation, in the urgent need to the technical equipment that labourer's occupational poisoning event occurs between version is washed in a kind of effective prevention.
Current China washes between version and washes version using the artificial of rough formula more, washes between version mainly by setting axial flow blower to carry out entirely
Face is divulged information, and reduces influence of the poisonous substance to labourer's occupational health with this, substantial amounts of poison is produced in a short time due to washing edition process
Thing and poisonous substance emitting source area are big, and general ventilation mode is difficult to a large amount of diffusion problems for effectively controlling poisonous substance in a short time, and
And energy consumption is very high；Because workpiece is larger and cleans after need to overturning, workpiece to be washed is difficult to be placed in vent cabinet, and vent cabinet is tight
Ghost image rings the operation for washing edition work；Umbellate form cover is arranged on more than workman's breathing zone, though space problem can be solved, poisonous substance first passes through people
Breathing zone after discharge, wash edition station in the downwind side of poisonous substance diffusion path, be unsatisfactory for requirement of shelter；Side-draught hood need to take necessarily
Working space, between washing version the long and narrow and to be washed workpiece size in space it is larger due to, wash between version it is general be difficult to meet set
The space requirement of side-draught hood；Because workpiece size to be washed is larger and the air-locked reason of workpiece, the physical dimension of lower suction hood is by sky
Between limitation and workpiece to be washed can block the air draft of lower suction hood, so as to cause lower suction hood to apply.Further, since workman need to open
Open type operation and quick wipe cleaning process generation larger interference air-flow, accelerate the diffusion of poisonous substance, add poisonous substance control difficult
Degree, an existing edition poisonous substance guard technology equipment of washing is difficult to meet the demand.
CN103358687 A disclose a kind of board-washing machine of circulation flushing web plate, including board-washing owner's body, board-washing owner
The inside of body is equiped with spray equipment, web plate, and the spray hole of spray equipment is set towards web plate, and board-washing machine is also returned including solvent
Groove is received, the film device that may filter that small molecule, the solvent recovery are connected between the solvent recovery groove and the board-washing owner body
Connected between groove and spray equipment by the first pipeline, the first liquid pump is equiped with first pipeline.The board-washing owner uses
In recycling design, there is not consideration for the health protection of workman.
CN104438195 A disclose one kind and wash an edition dedicated platform, including：Cuboid washes edition groove on framework,
A horizontal stand is respectively mounted above two opposite side for washing edition groove, the horizontal stand is also mounted on framework, every level
Equipped with two pulleys on the inside of support, along being located on a horizontal line on pulley, the horizontal stand between two pulleys have one to
Lower bending section.The framework is welded by iron pipe, with 4 root posts, the cuboid wash edition groove by iron sheet be welded on 4 stand
On post, 5 faces are formed.The two ends of the horizontal stand, which are respectively welded at, to be washed on the column on edition groove.It is main that this washes edition platform
Raising operating efficiency is considered, special design is not carried out yet to the health protection of workman.
The content of the invention:
To solve above-mentioned technical deficiency part, version is washed it is an object of the invention to provide a kind of open type blowing and drawing ventilation gas defence
Workbench, in the case where not influenceing operation and energy-conservation, realizes that large area washes an edition long-distance control for operation poisonous substance, so as to reduce
Concentration of poison between version is washed, an edition operating environment is washed in improvement, protects the occupational health of labourer.
Specifically an edition workbench, including balanced ventilation dress are washed the invention provides a kind of open type blowing and drawing ventilation gas defence
Put, uniform air exhausting device and wash an edition workbench, balanced ventilation device and uniform air exhausting device are located at respectively washes an edition workbench
The left and right sides, and by wash an edition workbench connect as one composition open type blowing and drawing ventilation gas defence wash an edition workbench,
Infrared detection device is set between even air-supply arrangement and uniform air exhausting device.Protection network, blower fan, efficient mistake are provided with balanced ventilation device
Filter and protection network, fairing, active carbon purifying device, blower fan and change are provided with fairing and frequency converter, uniform air exhausting device
Frequency device, washing edition workbench includes the horizontal countertop and backboard of connection balanced ventilation device and uniform air exhausting device, washes version
Outer sets enclosing on front side of workbench horizontal countertop and backboard airtight connection, horizontal countertop, for preventing cleaning fluid
It is excessive.Horizontal countertop is divided into two work tops in left and right, porous if right side work top upper strata is the orifice plate containing dry hole
Orifice plate can be taken off, and be funnel type liquid waste collector below multi-hole orifice, and collector lower channel sets valve；Left side work top is used
Deposited in platemaking with dispensing, left side work top is non-porous and table top is slightly lower to the right tilts, and the platemaking spilt is more through right side
Hole orifice plate flows into liquid waste collector, is periodically taken out the waste liquid of collection by opening collector lower channel.
It is preferred that, the cover mouthful size of described balanced ventilation device and uniform air exhausting device be not less than 800mm ×
800mm, the length for washing edition workbench is not less than 2.4m.
It is preferred that, blower fan, frequency converter and high efficiency filter fairing are set in balanced ventilation device, it is possible to provide 0.1-1.5m/
S, preferably 0.4-0.7m/s any wind speed, and the unevenness of balanced ventilation device air-supply wind speed is less than 0.25.
It is preferred that, uniform air exhausting device is provided with active carbon purifying device, realizes the purification of toxic gas, active carbon purifying dress
Put and be provided separately after being also connected with blower fan with uniform air exhausting device by pipeline.
It is preferred that, set fairing and frequency converter in uniform air exhausting device, it is possible to provide any between 0.8m/s-1.4m/s
Wind speed, and the unevenness of uniform air exhausting device air draft wind speed is less than 0.25.
It is preferred that, infrared detection device is set on balanced ventilation device and uniform air exhausting device, is treated when labourer enters to put
When washing workpiece, open type blowing and drawing ventilation gas defence is washed edition workbench supply and exhaust device and opened simultaneously automatically, and supply and exhaust device has
Delay simultaneously closes off function automatically, and air supplying and exhausting system at least runs and closed automatically after 30min after labourer leaves rinsing table.
It is preferred that, wash outer on front side of the horizontal countertop and backboard airtight connection of edition workbench, horizontal countertop
If enclosing, for preventing cleaning fluid excessive.
It is preferred that, the horizontal countertop for washing edition workbench is divided into two work tops in left and right, and left side work top is used
In depositing and dispensing platemaking, right side work top is used to wash an edition operation.
It is preferred that, if the right side work top upper strata for washing edition workbench is the orifice plate containing dry hole, multi-hole orifice can use
Go out, be funnel type liquid waste collector below multi-hole orifice, collector lower channel sets valve, for periodically excluding waste liquid.
It is preferred that, left side work top lower 1 °~3 ° of the inclination to the right of edition workbench is washed, platemaking is spilt during packing certainly
It is dynamic to flow into the liquid waste collector below the work top of right side.
Described open type blowing and drawing ventilation gas defence washes edition workbench and realizes that uniform supply and exhaust are filled using infrared detection device
The automatic opening put and time-delay closing function, wash edition balanced ventilation device of the workbench left and right sides and uniform air exhausting device connection
Cooperation is used, and constitutes air-flow isotypy blowing and drawing ventilation device, is changed washing an edition workbench generation air-flow isotypy blowing and drawing ventilation
Gas region, it is to avoid wash escaping for edition process poisonous substance, and do not influence workman's operation, so as to be effectively controlled the poisonous substance for washing edition process
Harm, can effectively protect the occupational health of labourer, while uniform air exhausting device is also provided with active carbon purifying device, effectively keep away
Pollution of the toxic gas to environment is exempted from.
Brief description of the drawings
Fig. 1 is that an edition workbench front view is washed in a kind of open type blowing and drawing ventilation gas defence of the present invention.
Fig. 2 is that an edition workbench top view is washed in a kind of open type blowing and drawing ventilation gas defence of the present invention.
Label declaration in figure：1 balanced ventilation device, 2 uniform air exhausting devices, 3 wash an edition workbench, 4 balanced ventilation devices
Protection network, 5 balanced ventilation device blower fans, 6 balanced ventilation device high efficiency filter fairings, 7 uniform air exhausting device protection networks, 8
Uniform air exhausting device fairing, 9 uniform air exhausting device active carbon purifying devices, 10 uniform air exhausting device blower fans, 11 wash an edition work
Make platform back plane, 12 horizontal table left side of face work tops, 13 horizontal table right side of face work tops, 14 right side workbench
Face multi-hole orifice, 15 funnel type liquid waste collectors, 16 funnel type liquid waste collector Drainage pipes, 17 Drainage pipe draining valves,
18 frequency converters, 19 infrared detection devices.
Embodiment
For the technical characterstic of the clear explanation present invention, with reference to specific embodiment, the present invention is carried out detailed
Illustrate.
As shown in figure 1, an edition workbench is washed in a kind of open type blowing and drawing ventilation gas defence, this is washed an edition workbench and filled by balanced ventilation
1 is put, uniform air exhausting device 2 washes edition workbench 3, and balanced ventilation device protection network 4, balanced ventilation device blower fan 5 is uniformly sent
Wind apparatus high efficiency filter fairing 6, uniform air exhausting device protection network 7, uniform air exhausting device fairing 8, uniform air draft dress
Active carbon purifying device 9 is put, uniform air exhausting device blower fan 10 washes an edition workbench backboard 11, the work of horizontal table left side of face
Table top 12, horizontal table right side of face work top 13, right side work top multi-hole orifice 14, funnel type liquid waste collector 15,
Funnel type liquid waste collector Drainage pipe 16, Drainage pipe draining valve 17, frequency converter 18, infrared detection device 19 are constituted.
Wash edition working drawing standby wash before version workpiece is placed on horizontal table left side of face work top 12, wash on edition workbench
Infrared detection device 19, which is detected with washing an edition work, enters operating area, while opening balanced ventilation device 1 and uniform air exhausting device
2.Balanced ventilation device blower fan 5 sucks air through protection network 4, and uniform wind is blown out after the rectification of high efficiency filter fairing 6.It is anti-
Protecting wire net 4 is made up of the woven wire and filter cotton acted on expenditure, is designed as easy-to-mount frame mode, different for preventing
The suction of thing and big dust particle, causes damage to blower fan.The wind that high efficiency filter fairing 6 blows out blower fan carries out efficient mistake
Filter and rectification, the wind uniformity for blowing out air-supply arrangement are high and with higher cleanliness factor.
What balanced ventilation device 1 was blown out uniform distinguished and admirable is filled after washing edition workbench 3 and its upper area by uniform air draft
2 trappings are put, the uniform distinguished and admirable uniform air draft with uniform air exhausting device 2 that balanced ventilation device 1 is blown out constitutes air-flow isotypy and blown
Suction is divulged information, and the toxic gas that edition process of washing is produced is surrounded by the ventilation region for washing the top of edition workbench 3, finally uniform
Air exhausting device 2 is trapped to be emptied after the purification of uniform air exhausting device active carbon purifying device 9.Uniform air exhausting device protection network 7 be by
The metal hole pattern that rectangle grid is constituted, for preventing that foreign matter enters uniform air exhausting device 2 during washing version, uniform air exhausting device is whole
Uniform air draft can be formed before the cover mouthful of uniform air exhausting device 2 by flowing device 8, be easy to trap the toxic gas for washing version generation.
The toxic gas that uniform air exhausting device 2 is trapped is emptied after being purified through active carbon purifying device 9 after blower fan 10, meets environment protection emission
It is required that.
Horizontal table left side of face work top 12 is used to deposit platemaking and dispense barreled platemaking into bottle,
Horizontal table left side of face work top 12 is set to micro, slight oblique bottom right, the platemaking that packing is spilt is flowed into horizontal table
The funnel type liquid waste collector 15 of the lower section of right side of face work top 13.The table top of horizontal table right side of face work top 13 is many
The waste liquid dispensed and cleaning process is spilt can be discharged into the funnel type of the lower section of multi-hole orifice 14 by hole orifice plate 14, multi-hole orifice 14
Liquid waste collector 15, while also support platform can be provided for workpiece to be washed.The lower section Drainage pipe 16 of funnel type liquid waste collector 15,
Draining valve 17 is set on Drainage pipe 16, and draining valve 17 is used for the waste liquid that periodic cleaning is remained.
The unspecified part of the present invention, is all the known technology of those skilled in the art.
Claims (10)
1. an edition workbench is washed in a kind of open type blowing and drawing ventilation gas defence, including balanced ventilation device, uniform air exhausting device and wash version
Workbench；Balanced ventilation device and uniform air exhausting device are located at the left and right sides for washing edition workbench respectively, and by washing version
Workbench connects as one composition open type blowing and drawing ventilation gas defence and washes an edition workbench, balanced ventilation device and uniform air draft dress
Infrared detection device is set between putting, automatically controlling for uniform supply and exhaust device is realized；Protection network, wind are provided with balanced ventilation device
Machine, high efficiency filter fairing and frequency converter, in uniform air exhausting device provided with protection network, fairing, active carbon purifying device,
Blower fan and frequency converter, washing edition workbench includes the horizontal countertop and the back of the body of connection balanced ventilation device and uniform air exhausting device
Outer sets enclosing on front side of plate, horizontal countertop and backboard airtight connection, horizontal countertop, for preventing cleaning fluid excessive；
Horizontal countertop is divided into two work tops in left and right, porous if right side work top upper strata is the multi-hole orifice containing dry hole
Orifice plate can be taken off, and be funnel type liquid waste collector below multi-hole orifice, and collector lower channel sets valve；Left side work top is used
Deposited in platemaking with dispensing, left side work top is non-porous and table top is slightly lower to the right tilts, and the platemaking spilt is more through right side
Hole orifice plate flows into liquid waste collector, is periodically taken out the waste liquid of collection by opening collector lower channel.
2. an edition workbench is washed in open type blowing and drawing ventilation gas defence according to claim 1, it is characterised in that described uniformly to send
The cover mouthful size of wind apparatus and uniform air exhausting device is that, not less than 800mm × 800mm, the length for washing edition workbench is not less than
2.4m。
3. an edition workbench is washed in open type blowing and drawing ventilation gas defence according to claim 2, it is characterised in that described uniformly to send
Blower fan, frequency converter and high efficiency filter fairing are set in wind apparatus, it is possible to provide 0.1-1.5m/s's, preferably 0.4-0.7m/s is any
Wind speed, and the unevenness of balanced ventilation device air-supply wind speed is less than 0.25.
4. an edition workbench is washed in open type blowing and drawing ventilation gas defence according to claim 2, it is characterised in that the uniform row
Wind apparatus is provided with active carbon purifying device, realizes the purification of toxic gas, active carbon purifying device and blower fan also can be with uniform rows
Wind apparatus is provided separately after being connected by pipeline.
5. an edition workbench is washed in open type blowing and drawing ventilation gas defence according to claim 2, it is characterised in that the uniform row
Fairing and frequency converter are set in wind apparatus, it is possible to provide any wind speed between 0.8m/s-1.4m/s, and uniform air exhausting device row
The unevenness of wind wind speed is less than 0.25.
6. an edition workbench is washed in open type blowing and drawing ventilation gas defence according to claim 2, it is characterised in that described uniformly to send
Infrared detection device is set on wind apparatus and uniform air exhausting device, when labourer, which enters, puts workpiece to be washed, open type blowing and drawing type
Ventilation gas defence is washed edition workbench supply and exhaust device and opened simultaneously automatically, and there is supply and exhaust device delay to simultaneously close off function automatically,
Air supplying and exhausting system at least runs and closed automatically after 30min after labourer leaves rinsing table.
7. an edition workbench is washed in open type blowing and drawing ventilation gas defence according to claim 2, it is characterised in that described to wash an edition work
Make outer on front side of the horizontal countertop and backboard airtight connection of platform, horizontal countertop and set enclosing, for preventing cleaning fluid
It is excessive.
8. an edition workbench is washed in open type blowing and drawing ventilation gas defence according to claim 7, it is characterised in that described to wash an edition work
The horizontal countertop for making platform is divided into two work tops in left and right, and left side work top is used to depositing and dispensing platemaking, right
Side work top is used to wash an edition operation.
9. an edition workbench is washed in open type blowing and drawing ventilation gas defence according to claim 8, it is characterised in that described to wash an edition work
If the right side work top upper strata for making platform is the multi-hole orifice containing dry hole, multi-hole orifice can be taken off, and be below multi-hole orifice
Funnel type liquid waste collector, collector lower channel sets valve, for periodically excluding waste liquid.
10. an edition workbench is washed in open type blowing and drawing ventilation gas defence according to claim 8, it is characterised in that described to wash an edition work
Make left side work top lower 1 °~3 ° of the inclination to the right of platform, platemaking is spilt during packing and is automatically flowed into below the work top of right side
Liquid waste collector in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710733219.6A CN107321751A (en) | 2017-08-24 | 2017-08-24 | An edition workbench is washed in a kind of open type blowing and drawing ventilation gas defence |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710733219.6A CN107321751A (en) | 2017-08-24 | 2017-08-24 | An edition workbench is washed in a kind of open type blowing and drawing ventilation gas defence |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107321751A true CN107321751A (en) | 2017-11-07 |
Family
ID=60228362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710733219.6A Pending CN107321751A (en) | 2017-08-24 | 2017-08-24 | An edition workbench is washed in a kind of open type blowing and drawing ventilation gas defence |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107321751A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110385328A (en) * | 2018-04-19 | 2019-10-29 | 中国石油化工股份有限公司 | Ventilation toxin expelling apparatus and method for for laboratory operation platform |
| JP7133768B1 (en) | 2021-09-24 | 2022-09-09 | 志保 岩元 | Local ventilation system for stores |
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| CN110385328A (en) * | 2018-04-19 | 2019-10-29 | 中国石油化工股份有限公司 | Ventilation toxin expelling apparatus and method for for laboratory operation platform |
| JP7133768B1 (en) | 2021-09-24 | 2022-09-09 | 志保 岩元 | Local ventilation system for stores |
| JP2023047245A (en) * | 2021-09-24 | 2023-04-05 | 志保 岩元 | Local ventilation system for store |
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Application publication date: 20171107 |
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