CN102039294A - Reverse inclined air curtain type air exhaust cabinet - Google Patents
Reverse inclined air curtain type air exhaust cabinet Download PDFInfo
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- CN102039294A CN102039294A CN200910180865XA CN200910180865A CN102039294A CN 102039294 A CN102039294 A CN 102039294A CN 200910180865X A CN200910180865X A CN 200910180865XA CN 200910180865 A CN200910180865 A CN 200910180865A CN 102039294 A CN102039294 A CN 102039294A
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Abstract
The invention relates to a reverse inclined air curtain type air exhaust cabinet. The front side of the bottom plate of an operation cabinet is provided with a long air blow end, and the long air blow end upwards jets an air jet stream in the direction inclined to the rear plate of the operation cabinet at an inclined angle; the space above the bottom plate is provided with an air suction cover capable of moving upwards and downwards relative to the operation cabinet, and the air suction cover is provided with a long air exhaust end; the long air exhaust end is parallel to the long air blow end and shifts for a distance from the space right above the long air blow end to the direction of the rear plate of the operation cabinet; when the long air suction end sucks the air and the long air blow end blows the air, an inclined air curtain capable of flowing from bottom to top can be formed so as to prevent pollutants from leaking, enhance the capability of resisting the ambient rough air and reduce the dynamic leakage amount of the pollutants; an air suction port can move to the position quite near a pollution source through the design of regulating the height by moving the air suction cover upwards and downwards; and the pollutants surrounded among the inclined single air curtain, the rear plate of the operation cabinet, a left side plate and a right side plate are eliminated in a mode of relatively saving power energy.
Description
Technical field
The present invention relates to a kind of exhaust gas cabinet, be particularly related to a kind of gas dynamical principle of utilizing, in the operation cabinet, form an oblique air curtain, be enclosed in the reverse inclination air curtain type exhaust gas cabinet of the pollutant between oblique single air curtain and back plate, left plate and the right plate with eliminating.
Background technology
The air suction mode of tradition exhaust gas cabinet is the shield that is provided with opening at the gas holder upper end frame, and uprightly set up the deflector that a slice has special designed openings at the cabinet rear, via air extractor and conduit the pernicious gas in the cabinet is extracted out via the opening of top shield opening and cabinet rear deflector.When using exhaust gas cabinet, getter device must turn round, and with the action of bleeding, the gas holder door can not be closed fully or must reserve one air intake below threshold this moment, to prevent because of can't tonifying Qi the motor of getter device is dallied even burning.And in use, gas holder Men Yichang need open to suitable height, with the handled easily personnel hand is stretched in the cabinet, and operation experimentizes.But when the cabinet door of traditional exhaust gas cabinet during at the state of opening, harmful substance in the cabinet is because of gas dynamical fundamental cause, as easy as rolling off a log by the leakage of cabinet door periphery, and carry out cabinet door switch action the operator, stand in before the cabinet of opening operation experiments and arround when situations such as disturbing flow or personnel walk about are arranged, the situation of leakage is particularly serious.The main cause that causes leakage is because of cabinet door periphery forms vortex and strong turbulent flow easily with the operator front, cause the exchange of inside and outside quality of cabinet and momentum, thereby the leakage of cabinet internal contamination thing is difficult to almost avoid.Very unfortunately, little exhaust gas cabinet is that cabinet door switch action need not be arranged, and the operator also must stand in before the cabinet of opening could operation experiments, and also little exhaust gas cabinet is to be placed in disturbing flow arround the nothing and not have in the environment that personnel walk about.Therefore, use laboratory, factory, the building of traditional exhaust gas cabinet can smell the tart flavour of chemicals usually, exactly because in fact pollutant constantly by due to releasing in the cabinet.Personnel arround the user reaches often are accustomed to, and cause the chemical contamination of chronicity then.
And the main method that effectively solves at present above-mentioned traditional exhaust gas cabinet leakage problem is to rely on as Fig. 8, push-pull type exhaust gas cabinet a shown in Figure 9, wherein, this push-pull type exhaust gas cabinet a mainly comprises an operation cabinet b, the front end of operation cabinet b forms an open space, the lower edge of operation cabinet b front end is provided with an air-breathing groove c, the top of operation cabinet b is provided with a web plate d, so that the nature tonifying Qi to be provided, and going up of pair of lamina hollow cabinet door e cuts the front end both sides that e1 is fixed in operation cabinet b, cutting e2 once can stretch up and down with respect to last section e1, and under cut e2 when drop-down, the front end of " locked in " operation cabinet b.Form a blowing groove e3 again in this following section e2, when a horizontal type blower fan f provides bottom blowing air current by blowing groove e3, and when providing the air suction of air-breathing groove c, can between upper and lower relative blowing groove e3 and air-breathing groove c, form a gas curtain h, to get rid of pernicious gas with a getter device g.
The structure of above-mentioned push-pull type exhaust gas cabinet, except operation cabinet front end forms open space, outside operating personnel's operation, the left and right and rear end of operation cabinet is all the facade of sealing, to intercept poisonous gas leakage.Yet, when reality is used, because gas curtain is present in the interface of cabinet door opening, the artificial action or the influence of the disturbing flow that other external environments produced, still can cause the doubt that partly leaks to cabinet internal contamination gas, when for example too high or operator's hand must be lifted too near the air blowing source of double-deck cabinet door when the position that pollution sources disengage, the inner space that then has the operation cabinet can't hold, air-breathing must significantly the raising and problem that pollutant leaks along operator's hand.And when meeting produced the situation of high temperature pernicious gas and the state of emergency, the cabinet door of this kind push-pull type exhaust gas cabinet must place low aperture, and strengthens aspiration, also be it make when using need specially treated place.
In view of this, in order to improve above-mentioned shortcoming, use reverse inclination air curtain type exhaust gas cabinet can not only effectively reduce the dissipation of pollutant, and strengthen the ability of rough air arround the antagonism, and can save power consumption, long-pending experience and the constantly research and development improvement for many years of inventor has generation of the present invention then.
Summary of the invention
Main purpose of the present invention provides a kind of reverse inclination air curtain type exhaust gas cabinet, be provided with microscler air blowing end by base plate front side at the operation cabinet, and in be arranged in parallel the structure of a microscler end of bleeding of the oblique upper of microscler air blowing end, enable to form an oblique air curtain, with eliminating be surrounded on oblique single air curtain and the operation cabinet back plate, left plate and right plate between pollutant, and can strengthen the ability of rough air arround the antagonism, to reduce the amount of leakage of pollutant.
Secondary objective of the present invention is providing a kind of reverse inclination air curtain type exhaust gas cabinet, can be by in the accommodation space of operation cabinet, being provided with one with respect to the air-suction cover structure of operating cashier's office in a shop, moving down, enable the height of the accommodation space of elasticity increase or minimizing operation cabinet, being applicable to the pollution sources of handling differing heights, and the consumption of saving power source.
For reaching the purpose of foregoing invention, the set reverse inclination air curtain type exhaust gas cabinet of the present invention comprises operation cabinet, a microscler blowning installation and an air-suction cover.This operates cabinet, comprises a top board, a base plate, a left plate, a right plate, a header board and a back plate, and frame encloses formation one accommodation space, header board below formation one opening of this operation cabinet; This microscler blowning installation comprises a microscler air blowing end, and this microscler air blowing end is arranged at the front side of the base plate of this operation cabinet, and tends to operate the direction of cabinet rear plate, upwards sprays air jet with a default angle of inclination; This air-suction cover, being positioned to operate in the accommodation space of cabinet cashier's office in a shop with respect to the mode that operation is moved down, this air-suction cover is provided with a microscler end of bleeding, this microscler end of bleeding is formed with a downward opening bleeding point, this microscler end of bleeding connects an air extractor, and this microscler end of bleeding is held row level with both hands with microscler air blowing, and this microscler end of bleeding is by being offset a predeterminable range towards the direction of operating cabinet rear plate directly over the microscler air blowing end; Whereby, when the microscler end of bleeding is bled, and microscler air blowing end is when blowing, and can form one between microscler bleed end and microscler air blowing end and be close to two-dimentional oblique gas curtain.
During enforcement, the microscler air blowing end of microscler blowning installation and a cross flow fan, air blast or other fluid machinery able to drawing air are interconnected, and can be connected to field operation by conduit.If cross flow fan then can place the below of work top.If work top below is when being provided with locker, and several openings can be arranged locker so that air-flow can be inhaled into air inlet with the supply cross flow fan by the external world.If during the fluid mechanical device of air blast or other inflatable, then can be connected to appropriate location or field operation by conduit.
During enforcement, a top air-suction cover and an extraction fan, air blast or other can be interconnected by air-breathing fluid mechanical device, and can be connected to appropriate location or field operation by conduit.
During enforcement, the forward and backward two ends of flange are respectively equipped with a slide rail, and are respectively equipped with a track on header board and the back plate, link so that air-suction cover upper and lower moving in accommodation space for corresponding.
During enforcement, air-suction cover comprises that more one is fixed in the location-plate of flange top, the forward and backward two ends of this location-plate are respectively equipped with a slide rail, and header board and back are respectively equipped with a track on the plate, can link so that air-suction cover stable upper and lower moving in accommodation space for corresponding equally.
Beneficial effect of the present invention is:
1, the present invention can form the oblique air curtain of one or two two dimension, therefore, pollutant can be enclosed in the operation cabinet, and strengthen the ability of rough air arround the antagonism, and pollutant effectively can be got rid of, to reduce the amount of leakage of pollutant.
2, the present invention can allow air-suction cover upper and lower mobile in the accommodation space of operation cabinet, therefore, but not only elasticity is handled the pollution sources of differing heights, when being applied to the pollution sources of lower height, reduce the height of air-suction cover, to save the consumption of power source at accommodation space; When pollution sources result from position higher in the accommodation space, also can improve air-suction cover extremely near pollution sources generation place, to save the consumption of power source.
3. the present invention can allow high temperature and tool buoyancy effect being removed via the microscler bleeding point in top toward the dusty gas safety of upper punch.
For ease of more deep understanding being arranged, now be specified in the back to the present invention:
Description of drawings
Fig. 1 is the combination section in the front of the first embodiment of the present invention;
Fig. 2 is the combination section of the side of the first embodiment of the present invention;
Fig. 3, Fig. 4 are the user mode figure of the first embodiment of the present invention;
Fig. 5 is made as a plurality of combination sections for bleeding point of the present invention;
Fig. 6 user mode figure that to be air-suction cover of the present invention in the accommodation space of operation cabinet upper and lower when mobile;
Fig. 7 is the user mode figure of the second embodiment of the present invention;
Fig. 8 is the front view of push-pull type exhaust gas cabinet commonly used;
Fig. 9 is the generalized section of push-pull type exhaust gas cabinet commonly used.
The reverse inclination air curtain type of description of reference numerals: 1-exhaust gas cabinet; 2-operates cabinet; The 21-locker; The 22-top board; The 23-base plate; The 24-left plate; The 25-right plate; The 26-header board; 261,271-track; The 262-opening; 263-cabinet door; Plate behind the 27-; The 28-accommodation space; The 29-column; The microscler blowning installation of 3-; The 31-blowning installation; The microscler air blowing end of 32-; The 321-inflatable mouth; The 4-air-suction cover; The microscler end of bleeding of 41-; The 411-bleeding point; The 42-flange; The 43-location-plate; 431,432-slide rail; The 44-telescoping tube; The 45-air extractor; 5,5 '-gas curtain; Microscler air blowing end behind the 6-; The 9-pollution sources; The a-push-pull type exhaust gas cabinet; B-operates cabinet; The air-breathing groove of c-; The d-web plate; E-hollow cabinet door; E1-is last to be cut; Following section of e2-; The e3-blowing groove; F-horizontal type blower fan; The g-getter device; The h-gas curtain.
The specific embodiment
See also Fig. 1, shown in Figure 2, it is first embodiment of the reverse inclination air curtain type of the present invention exhaust gas cabinet 1, comprises operation cabinet 2, one a microscler blowning installation 3 and an air-suction cover 4.
This operation cabinet 2 slightly is cuboid, its below is provided with the locker 21 with leg, but with support operation cabinet 2 and the storage object of making progress, this operation cabinet 2 comprises a top board 22, a base plate 23, a left plate 24, a right plate 25, a header board 26 and a back plate 27, after each plate combination, form an accommodation space 28 in the inside of this operation cabinet 2.Wherein, be respectively equipped with a track 261,271 on this header board 26 and the back plate 27.The and arranged on left and right sides of these operation cabinet 2 front ends is respectively equipped with column 29, with the and arranged on left and right sides of difference fixed front plate 26, and makes the below of header board 26 form an opening 262.Wherein, this column 29 is set as streamlined or arc modeling near opening 262 places, vortex and level of disruption when being inhaled into opening 262 to reduce air.And a cabinet door 263 is partly overlapping with header board 26, seals this opening 262 for major part, and with respect to header board 26 upper and lower being free to slide, with the aperture of switch board door 263.
This microscler blowning installation 3 comprises a microscler air blowing end 32, and this microscler air blowing end 32 is arranged at the front side of base plate 23 of operation cabinet 2, and this microscler air blowing end 32 is formed with an inflatable mouth 321, and this inflatable mouth 321 slightly is long and narrow oblong-shaped.In addition, this a microscler air blowing end 32 and an air blast are interconnected, and this air blast with the effect via blowning installation 31, allows inflatable mouth 321 up spray the air jet of one two dimension with the direction of the back plate 27 of tendency operation cabinet 2 as blowning installation 31.During enforcement, described blowning installation 31 also can be cross flow fan or other fluid machinery replaces.Wherein, when blowning installation 31 is air blast or other fluid machinery, be connected to appropriate location or field operation with pipeline.And when blowning installation 31 was cross flow fan, the periphery of this locker 21 was provided with several opening (not shown), so that air-flow can directly be inhaled in the locker 21 by the external world, with the air inlet of supply cross flow fan.
And this air-suction cover 4 comprises microscler end 41, one flange 42 and the location-plate 43 of bleeding, and described location-plate 43 also can be a support frame.Wherein, this microscler end 41 of bleeding is formed with a downward opening bleeding point 411, this bleeding point 411 slightly is long and narrow oblong-shaped, and this microscler end upper end of 41 of bleeding via a telescoping tube 44 upwards connecting an air extractor 45, for bleed and guide in the operation cabinet 2 air upwards.Described telescoping tube 44 can also replace by a plurality of sections sleeve pipes; And this air extractor 45 is extraction fan, air blast or other fluid machinery able to drawing air, and can be connected to appropriate location or field operation by conduit.Again, this is microscler, and bleed end 41 and microscler air blowing held 32 parallel, this is microscler bleeds end 41 by being offset a distance towards the direction of the back plate 27 of operation cabinet 2 directly over the microscler air blowing end 32, with this at air extractor 45 during with blowning installation 31 run-in synchronisms, upwards spray air jet by inflatable mouth 321, suck air jet by bleeding point 411, make microscler bleeding form an oblique gas curtain 5 that is close to two dimension between end 41 and the microscler air blowing end 32 (as Fig. 3, shown in Figure 4), to be surrounded on oblique gas curtain 5 and the back plate 27 of operating cabinet 2 with this, left plate 24, in the air-suction cover 4 that brings to the top of pollutant between the right plate 25 with steady air current, and discharge via bleeding point 411.
This flange 42 is by stretching out respectively and form around the microscler end 41 of bleeding, and stopping the pollutant of rising, and the direct contaminated thing enters in the bleeding point 411.As shown in Figure 5, described microscler bleeding point 411 of bleeding end 41 also can be made as a plurality of, and each bleeding point 411 is parallel to each other.In addition, this bleeding point 411 also can be grille-like, can reach the effect of suction pollutant equally.
And as shown in Figure 6, this location-plate 43 is in order to support and fixedly air-suction cover 4 and flange 42, and the forward and backward two ends of location-plate 43 are respectively equipped with a slide rail 431,432, the track 261,271 of these two slide rails, 431,432 corresponding header boards 26 of difference and back plate 27 is so that air-suction cover 4 upper and lower moving in the accommodation space 28 of operation cabinet 2.The slide rail 431,432 of described location-plate 43 also can directly be arranged at the forward and backward two ends of flange 42, can distinguish the track 261,271 of corresponding header board 26 and back plate 27 equally, makes air-suction cover 4 upper and lower mobile in the accommodation space 28 of operation cabinet 2.During enforcement, described track 261,271 also can be located at left plate 24, right plate 25, and the left and right two ends of support frame or location-plate 43 are respectively equipped with a slide rail 431,432; In addition, described air-suction cover 4 can also use modes such as mechanical type manuals such as hoist cable, counterweight or electronic, pneumatic, oil pressure, as upper and lower mobile means.
During enforcement, this left plate 24, right plate 25 are respectively not saturating empty plate body; Described left plate 24, right plate 25 also can be respectively equipped with several groove shapes or poroid passage, so that air is inhaled in the operation cabinet 2 as tonifying Qi, so that pollutant can be discharged by the air-suction cover 4 that brings to the top of steady air current.
See also shown in Figure 7, it is for second embodiment of the reverse inclination air curtain type of the present invention exhaust gas cabinet 1, wherein, the rear side of the base plate 23 of this operation cabinet 2 more is provided with the microscler air blowing end 6 in a back, and it is 32 parallel that the microscler air blowing end 6 in this back and microscler air blowing are held, and is provided with being inclined to microscler direction of bleeding end 41 and up sprays air jet.Whereby, when microscler air blowing end 32 with after microscler air blowing end 6 spray respectively the two dimension air-flow, and simultaneously by the bleeding point 411 of two dimension when up air-breathing, therebetween flow field side view will present the two-dimentional gas curtain 5,5 ' that twice tilt, and with this pollutant that pollution sources on base plate 23 9 upwards give off is upwards discharged.During enforcement, described operation cabinet 2 also can allow back plate 27 saturating empty, can form the two-dimentional gas curtain 5,5 ' that twice tilt equally.
Therefore, compare with traditional exhaust gas cabinet and push-pull type exhaust gas cabinet, the present invention has following advantage:
1, the present invention can form the oblique air curtain of one or two two dimension, therefore, pollutant can be enclosed in the operation cabinet, and strengthen the ability of rough air arround the antagonism, and pollutant effectively can be got rid of, to reduce the amount of leakage of pollutant.
2, the present invention can allow air-suction cover move up and down in the accommodation space of operation cabinet, therefore, but not only elasticity is processed the pollution sources of differing heights, when being applied to the pollution sources of lower height, reduce air-suction cover at the height of accommodation space, to save the consumption of power source; When pollution sources result from position higher in the accommodation space, also can improve air-suction cover extremely near pollution sources generation place, to save the consumption of power source.
3. the present invention can allow high temperature and tool buoyancy effect being removed via the microscler bleeding point in top toward the dusty gas safety of upper punch.
In sum, according to the content that above discloses, the present invention really can reach the expection purpose of invention, and a kind of dissipation that can not only effectively reduce pollutant is provided, and strengthen the ability of rough air arround the antagonism, and can save the reverse inclined air curtain type air exhaust cabinet of power consumption.
More than explanation is for the purpose of the present invention just illustrative; and nonrestrictive, those of ordinary skills understand, in the situation that does not break away from the spirit and scope that claim limits; can make many modifications, variation or equivalence, but all will fall within protection scope of the present invention.
Claims (10)
1. a reverse inclination air curtain type exhaust gas cabinet is characterized in that, comprising:
One operates cabinet, comprises a top board, a base plate, a left plate, a right plate, a header board and a back plate, and frame encloses formation one accommodation space, header board below formation one opening of this operation cabinet;
One microscler blowning installation, it comprises a microscler air blowing end, this microscler air blowing end is arranged at the front side of the base plate of this operation cabinet, and tends to operate the direction of cabinet rear plate, upwards sprays air jet with a default angle of inclination; And
One air-suction cover, being positioned to operate in the accommodation space of cabinet cashier's office in a shop with respect to the mode that operation is moved down, this air-suction cover is provided with a microscler end of bleeding, this microscler end of bleeding is formed with a downward opening bleeding point, this microscler end of bleeding connects an air extractor, and this microscler end of bleeding is held row level with both hands with microscler air blowing, this microscler end of bleeding is by being offset a predeterminable range towards the direction of operating cabinet rear plate directly over the microscler air blowing end, when air extractor turns round, make microscler bleeding form the oblique gas curtain of a two dimension between end and the microscler air blowing end.
2. reverse inclination air curtain type exhaust gas cabinet as claimed in claim 1 is characterized in that, also comprises a cabinet door, and itself and header board are partly overlapping, are provided with sealing this opening, and this cabinet door can slide with respect to the header board easy on and off, with the aperture of switch board door.
3. reverse inclination air curtain type exhaust gas cabinet as claimed in claim 1 or 2 is characterized in that the microscler air blowing end and a blowning installation of this microscler blowning installation are interconnected.
4. reverse inclination air curtain type exhaust gas cabinet as claimed in claim 1 or 2 is characterized in that, this is microscler bleeds and be connected with a telescoping tube between end and the air extractor.
5. reverse inclination air curtain type exhaust gas cabinet as claimed in claim 1 or 2 is characterized in that this left plate and right plate are respectively equipped with the passage that is used to provide the nature tonifying Qi.
6. reverse inclination air curtain type exhaust gas cabinet as claimed in claim 1 or 2 is characterized in that, this microscler bleeding point of bleeding end is provided with a plurality of, and a plurality of this bleeding point is parallel to each other.
7. reverse inclination air curtain type exhaust gas cabinet as claimed in claim 1 or 2 is characterized in that this air-suction cover comprises a flange, and this flange is to form by stretching out respectively around the microscler end of bleeding.
8. reverse inclination air curtain type exhaust gas cabinet as claimed in claim 7 is characterized in that the front-end and back-end of this flange are respectively equipped with a slide rail, and is respectively equipped with a track on header board and the back plate, links so that air-suction cover moves up and down in accommodation space for corresponding.
9. reverse inclination air curtain type exhaust gas cabinet as claimed in claim 7, it is characterized in that, this air-suction cover comprises that more one is fixed in the location-plate of flange top, the front-end and back-end of this location-plate are respectively equipped with a slide rail, and be respectively equipped with a track on header board and the back plate, link so that air-suction cover moves up and down in accommodation space for corresponding.
10. reverse inclination air curtain type exhaust gas cabinet as claimed in claim 1 or 2, it is characterized in that, more comprise the microscler air blowing end in a back, the microscler air blowing end in this back is located at the rear side of the base plate of operation cabinet, and row is held in microscler air blowing end in this back and microscler air blowing level with both hands, is provided with tending to microscler direction of bleeding end and upwards sprays air jet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910180865XA CN102039294A (en) | 2009-10-16 | 2009-10-16 | Reverse inclined air curtain type air exhaust cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910180865XA CN102039294A (en) | 2009-10-16 | 2009-10-16 | Reverse inclined air curtain type air exhaust cabinet |
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| Publication Number | Publication Date |
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| CN102039294A true CN102039294A (en) | 2011-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910180865XA Pending CN102039294A (en) | 2009-10-16 | 2009-10-16 | Reverse inclined air curtain type air exhaust cabinet |
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| CN (1) | CN102039294A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527686A (en) * | 2012-02-15 | 2012-07-04 | 西安建筑科技大学 | Parallel flow air curtain exhaust device |
| CN103008314A (en) * | 2012-12-19 | 2013-04-03 | 上海艾能电力工程有限公司 | Multifunctional attached flow-collection-type air suction cover |
| CN105983457A (en) * | 2015-01-28 | 2016-10-05 | 南通大学 | Horizontal laminar flow clean work station |
| CN110834023A (en) * | 2018-08-15 | 2020-02-25 | 宝钢工程技术集团有限公司 | Air curtain type acid mist protection device and using method thereof |
| CN113058961A (en) * | 2021-04-01 | 2021-07-02 | 惠特环境科技有限公司 | Laboratory explosion-proof fume chamber |
-
2009
- 2009-10-16 CN CN200910180865XA patent/CN102039294A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527686A (en) * | 2012-02-15 | 2012-07-04 | 西安建筑科技大学 | Parallel flow air curtain exhaust device |
| CN102527686B (en) * | 2012-02-15 | 2014-01-01 | 西安建筑科技大学 | Parallel flow air curtain exhaust device |
| CN103008314A (en) * | 2012-12-19 | 2013-04-03 | 上海艾能电力工程有限公司 | Multifunctional attached flow-collection-type air suction cover |
| CN105983457A (en) * | 2015-01-28 | 2016-10-05 | 南通大学 | Horizontal laminar flow clean work station |
| CN105983457B (en) * | 2015-01-28 | 2018-07-27 | 南通大学 | A kind of horizontal laminar flow clean work station |
| CN110834023A (en) * | 2018-08-15 | 2020-02-25 | 宝钢工程技术集团有限公司 | Air curtain type acid mist protection device and using method thereof |
| CN113058961A (en) * | 2021-04-01 | 2021-07-02 | 惠特环境科技有限公司 | Laboratory explosion-proof fume chamber |
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Application publication date: 20110504 |