CN213856228U - All-steel fume hood with exhaust gas recycling function - Google Patents
All-steel fume hood with exhaust gas recycling function Download PDFInfo
- Publication number
- CN213856228U CN213856228U CN202022507758.8U CN202022507758U CN213856228U CN 213856228 U CN213856228 U CN 213856228U CN 202022507758 U CN202022507758 U CN 202022507758U CN 213856228 U CN213856228 U CN 213856228U
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- purification
- fume hood
- cabinet
- exhaust gas
- inner cavity
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- 239000003517 fume Substances 0.000 title claims abstract description 55
- 239000007789 gas Substances 0.000 title claims abstract description 35
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 17
- 239000010959 steel Substances 0.000 title claims abstract description 17
- 238000004064 recycling Methods 0.000 title claims abstract description 12
- 238000000746 purification Methods 0.000 claims abstract description 45
- 238000009423 ventilation Methods 0.000 claims abstract description 18
- 238000009826 distribution Methods 0.000 claims abstract description 5
- 238000003860 storage Methods 0.000 claims description 23
- 238000010438 heat treatment Methods 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 230000006978 adaptation Effects 0.000 claims description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 5
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 5
- 241001330002 Bambuseae Species 0.000 claims description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 5
- 239000011425 bamboo Substances 0.000 claims description 5
- 239000003610 charcoal Substances 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 239000002912 waste gas Substances 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 4
- 125000004122 cyclic group Chemical group 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 208000035475 disorder Diseases 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 208000004547 Hallucinations Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 238000012993 chemical processing Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model discloses an all-steel fume chamber with exhaust gas recycling uses, include the fume chamber body and accomodate the cabinet, the inner chamber the latter half of fume chamber body is installed and is accomodate the cabinet, the top of accomodating the cabinet bonds and has operation platform, the fume chamber body be close to one side of accomodating the cabinet and set up two guide rails that are symmetric distribution, and the joint has a movable window between two guide rails, the top integrated into one piece of fume chamber body has the purification mount pad, the inlet end has been seted up to top one side of purification mount pad, install purifier in the inner chamber of purification mount pad, the fume chamber body is kept away from one side of accomodating the cabinet and is installed circulating device, the purification air pump is installed to top one side of inlet box. This all-steel fume chamber with exhaust gas circulation uses can realize the cyclic utilization efficiency to waste gas when ventilating the use to improve ventilation effect through two-way ventilation.
Description
Technical Field
The utility model belongs to the technical field of the fume chamber, concretely relates to all-steel fume chamber with exhaust gas circulation uses.
Background
Fume hoods are an integral part of laboratory ventilation design. In order for laboratory workers not to inhale or swallow some toxic, pathogenic or non-toxic chemicals and organisms, good ventilation should be provided in the laboratory. To prevent the absorption of some vapors, gases and particulates (smoke, soot, dust and aerosols), the pollutants must be removed by fume hoods, ventilation hoods or local ventilation. And can produce the higher sediment gas of basis weight often in the experimentation, the air pump can't carry out quick extraction from the upside to lead to overflowing from the opening part of fume chamber, and probably lead to the fact life safety to operating personnel, exhaust-gas treatment finishes the back most moreover and selects directly to air exhaust, and is comparatively extravagant.
Therefore, in order to meet the current situation, the design and production of the all-steel fume hood with the exhaust gas recycling function are urgently needed so as to meet the actual use requirement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an all-steel fume chamber with exhaust gas circulation uses to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an all-steel fume hood with an exhaust gas recycling function comprises a fume hood body and a containing cabinet, wherein the containing cabinet is installed on the lower half portion of an inner cavity of the fume hood body, an operating platform is bonded to the top of the containing cabinet, two guide rails which are symmetrically distributed are arranged on one side, close to the containing cabinet, of the fume hood body, a movable window is clamped between the two guide rails, a purification mounting seat is integrally formed on the top of the fume hood body, an air inlet end is arranged on one side of the top of the purification mounting seat, a purification device is installed in the inner cavity of the purification mounting seat, and a circulation device is installed on one side, away from the containing cabinet, of the fume hood body;
the purification device comprises an air inlet box clamped at the bottom of the inner cavity of the purification installation seat and a sealing plate welded at the lower half part of the inner circumference of the purification installation seat, a purification air pump is arranged at one side of the top of the air inlet box, and the bottom of the air inlet box is integrally formed with a plurality of groups of branch ventilation pipes which are communicated with the inner cavity of the fume hood body, the air inlet end of the purifying air pump is communicated with the air inlet box through a pipeline, the air outlet end of the purifying air pump is communicated with the sealing plate through a pipeline, the middle position of the top of the sealing plate is provided with a water storage box, three filter screen plates which are distributed at equal intervals are arranged between the water storage tank and one side of the inner cavity of the purification installation seat close to the purification air pump, a bamboo charcoal filter layer and an active carbon filter layer are respectively filled between the three filter screen plates, a partition plate is installed on the upper side of an inner cavity of the water storage tank, and a heating pipe is connected to one side, far away from the filter screen plate, of the water storage tank.
Preferably, circulating device is including installing the blast pipe of keeping away from the circulating air pump and the joint in operation platform's the inner chamber of movable window one side at the fume chamber body, the inlet end of circulating air pump is connected with the intake pipe, and the intake pipe and the inner chamber intercommunication that purifies the mount pad, the end of giving vent to anger of intake pipe is connected with the outlet duct, and one side that the outlet duct is close to the fume chamber body is connected with the mounting panel, the mounting panel joint is in the fixed open-ended interior week that the fume chamber body was seted up, the position looks adaptation of mounting panel and blast pipe.
Preferably, the heating pipe is a hollow heating pipe made of copper, one end of the heating pipe is communicated with the water storage tank, a resistance wire winding displacement groove is formed in an inner cavity of the heating pipe, and a resistance wire heater is installed in the inner cavity of the resistance wire winding displacement groove.
Preferably, the connecting holes that the multiunit is equidistant distribution have been seted up on circulating device's the mounting panel, and the inner week intercommunication of connecting hole and fume chamber body, it is the venthole that equidistant issue to have the multiunit to open in the inner week of mounting panel, and venthole and outlet duct intercommunication, set up the direction wind channel of multiunit and venthole looks adaptation on circulating device's the blast pipe.
Preferably, one side of the top of the operating platform, which is close to the movable window, is integrally formed with a lifting stop block, and the height of the lifting stop block is greater than the distance between the mounting plate of the circulating device and the operating platform.
The utility model discloses a technological effect and advantage: according to the all-steel ventilation cabinet with the waste gas recycling function, the purified waste gas is driven to enter the mounting plate through the circulating air pump, and the gas precipitated at the bottom is exhausted from the lower side through the exhaust pipe towards the lower side continuously, so that the exhaust speed of the gas deposited at the bottom is increased, and the influence on the life safety of an operator is reduced; the purifying air pump is arranged to extract a large amount of harmful gas generated in the experiment, and the harmful components of the waste gas are reduced after the harmful gas is filtered, chemically treated, heated and dried, so that when the circulation speed of the bottom gas is increased, the ventilation cabinet body is supplemented with air, and the circulation utilization rate is increased; through be equipped with the inlet end with outside intercommunication in purification installation seat department, can conveniently cooperate circulating air pump and air purification pump to carry out two-way blast air, improve ventilation efficiency, this all steel fume chamber with exhaust gas circulation uses can realize the cyclic utilization efficiency to waste gas when using that ventilates to improve ventilation effect through two-way ventilation.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a sectional view of the fume hood body of the present invention;
fig. 3 is a cross-sectional view of the mounting plate of the present invention.
In the figure: the ventilation cabinet comprises a ventilation cabinet body 1, a storage cabinet 2, an operation platform 3, a movable window 4, a purification mounting seat 5, a purification device 6, a circulation device 7, an air inlet box 8, a purification air pump 9, a sealing plate 10, a filter screen plate 11, a bamboo charcoal filter layer 12, an activated carbon filter layer 13, a water storage box 14, a partition plate 15, a heating pipe 16, a circulation air pump 17, an air inlet pipe 18, an air outlet pipe 19, a mounting plate 20, an air outlet pipe 21, a connecting hole 22 and an air outlet hole 23.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Unless defined otherwise, all references to up, down, left, right, front, back, inner and outer directions herein are to be interpreted as referring to up, down, left, right, front, back, inner and outer directions in the drawings to which the invention is applied, and all references are hereby incorporated herein by reference.
The utility model provides an all-steel fume hood with exhaust gas recycling function as shown in figures 1-3, which comprises a fume hood body 1 and a storage cabinet 2, wherein the storage cabinet 2 is installed on the lower half part of the inner cavity of the fume hood body 1, an operation platform 3 is bonded on the top of the storage cabinet 2, two guide rails which are symmetrically distributed are arranged on one side of the fume hood body 1 close to the storage cabinet 2, a movable window 4 is clamped between the two guide rails, a purification mounting seat 5 is integrally formed on the top of the fume hood body 1, an air inlet end is arranged on one side of the top of the purification mounting seat 5 and can be matched with a circulating air pump 17 to realize bidirectional air inlet and improve the ventilation effect, a purification device 6 is installed in the inner cavity of the purification mounting seat 5, and a circulation device 7 is installed on one side of the fume hood body 1 away from the storage cabinet 2;
Specifically, circulating device 7 is including installing circulating air pump 17 and the blast pipe 21 of joint in operation platform 3's inner chamber of keeping away from movable window 4 one side at fume chamber body 1, the inlet end of circulating air pump 17 is connected with intake pipe 18, and intake pipe 18 and purification mount pad 5's inner chamber intercommunication, the end of giving vent to anger of intake pipe 18 is connected with outlet duct 19, and outlet duct 19 is close to one side of fume chamber body 1 and is connected with mounting panel 20, the fixed open-ended of mounting panel 20 joint is seted up at fume chamber body 1 is interior week, mounting panel 20 and blast pipe 21's position looks adaptation realizes the exhaust gas that finishes to handling or and purifies the inlet end intercommunication on the mount pad 5, realizes the cyclic utilization and the two-way ventilation use of waste gas.
Specifically, the heating pipe 16 is a copper hollow heating pipe, one end of the heating pipe 16 is communicated with the water storage tank 14, a resistance wire winding displacement groove is formed in an inner cavity of the heating pipe 16, a resistance wire heater is installed in the inner cavity of the resistance wire winding displacement groove, gas is heated from the inside while air inlet is achieved, and the resistance wire heater, the purification air pump 9 and the circulating air pump 17 are all electrically connected with an external driving power supply.
Specifically, seted up the connecting hole 22 that the multiunit is equidistant distribution on circulating device 7's the mounting panel 20, and the inner peripheral intercommunication of connecting hole 22 and fume chamber body 1, seted up the venthole 23 that the multiunit is equidistant issue in the inner week of mounting panel 20, and venthole 23 and outlet duct 19 intercommunication, set up the direction wind channel of multiunit and venthole 23 looks adaptation on circulating device 7's the blast pipe 21, realize the wind channel setting of Y shape, disorder the gas of deposit in the bottom, improve from bottom exhaust speed.
Specifically, one side integrated into one piece that the top of operation platform 3 is close to movable window 4 has the dog of raising, and the height of raising the dog is greater than the mounting panel 20 of circulating device 7 to the distance between the operation platform 3, realizes leaving certain space to preserve sedimentary harmful gas, and the technical staff can carry out chemical processing on mounting panel 20.
The working principle is that when the all-steel ventilation cabinet with the exhaust gas recycling function is used, the purifying air pump 9 absorbs harmful gas generated in a chemical experiment, and after the harmful gas is adsorbed by the bamboo charcoal filter layer 12 and the activated carbon filter layer 13, corresponding chemical agents (according to the waste gas generated by the experiment, the waste gas is manually configured by technicians) are added into the water storage tank 14 for adsorption neutralization, the waste gas is heated and dried by the heating pipe 16, the waste gas is pumped into the mounting plate 20 by the hallucination air pump 17, the air is exhausted through the air outlet 23, the high-speed air drives the air deposited on the operation table 3 to move in a disorder way, and enters the exhaust pipe 21 through the connecting hole 22, and the exhaust pipe 21 can be connected with an external exhaust gas treatment device (not shown in the figure), so that the exhaust gas treatment is realized, the accumulation amount of harmful gas at the bottom is reduced, and the harm of the bottom gas spreading to technicians is reduced.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (5)
1. The utility model provides an all-steel fume hood with exhaust gas recirculation uses, includes fume hood body (1) and accomodates cabinet (2), its characterized in that: a containing cabinet (2) is installed on the lower half portion of an inner cavity of the fume hood body (1), an operating platform (3) is bonded to the top of the containing cabinet (2), two guide rails which are symmetrically distributed are arranged on one side, close to the containing cabinet (2), of the fume hood body (1), a movable window (4) is clamped between the two guide rails, a purification mounting seat (5) is integrally formed on the top of the fume hood body (1), an air inlet end is arranged on one side of the top of the purification mounting seat (5), a purification device (6) is installed in the inner cavity of the purification mounting seat (5), and a circulating device (7) is installed on one side, far away from the containing cabinet (2), of the fume hood body (1);
the purification device (6) comprises an air inlet box (8) and a sealing plate (10), wherein the air inlet box (8) is connected to the bottom of an inner cavity of the purification installation seat (5) in a clamping mode, the sealing plate (10) is welded to the lower half portion of the inner periphery of the purification installation seat (5), a purification air pump (9) is installed on one side of the top of the air inlet box (8), a plurality of groups of branch air pipes are integrally formed at the bottom of the air inlet box (8) and communicated with the inner cavity of the ventilation cabinet body (1), the air inlet end of the purification air pump (9) is communicated with the air inlet box (8) through a pipeline, the air outlet end of the purification air pump (9) is communicated with the sealing plate (10) through a pipeline, a water storage box (14) is installed in the middle position of the top of the sealing plate (10), and three filter screen plates (11) which are distributed at equal intervals are installed between the water storage box (14) and one side, close to the purification air pump (9), of the inner cavity of the purification installation seat (5), a bamboo charcoal filter layer (12) and an activated carbon filter layer (13) are respectively filled between the three filter screen plates (11), a partition plate (15) is installed on the upper side of an inner cavity of the water storage tank (14), and a heating pipe (16) is connected to one side, far away from the filter screen plates (11), of the water storage tank (14).
2. An all-steel fume hood with exhaust gas recycling function according to claim 1, wherein: circulating device (7) are including installing circulating air pump (17) and the blast pipe (21) of joint in the inner chamber of operation platform (3) of keeping away from movable window (4) one side in fume chamber body (1), the inlet end of circulating air pump (17) is connected with intake pipe (18), and intake pipe (18) and the inner chamber intercommunication of purifying the mount pad (5), the end of giving vent to anger of intake pipe (18) is connected with outlet duct (19), and one side that outlet duct (19) are close to fume chamber body (1) is connected with mounting panel (20), mounting panel (20) joint is in the fixed open-ended of offering in fume chamber body (1) interior week, the position looks adaptation of mounting panel (20) and blast pipe (21).
3. An all-steel fume hood with exhaust gas recycling function according to claim 1, wherein: the heating pipe (16) is a hollow heating pipe made of copper, one end of the heating pipe (16) is communicated with the water storage tank (14), a resistance wire arranging groove is formed in the inner cavity of the heating pipe (16), and a resistance wire heater is installed in the inner cavity of the resistance wire arranging groove.
4. An all-steel fume hood with exhaust gas recycling function according to claim 1, wherein: offer connecting hole (22) that the multiunit is equidistant distribution on mounting panel (20) of circulating device (7), and connecting hole (22) and the interior week intercommunication of fume chamber body (1), set up venthole (23) that the multiunit is equidistant issue in the interior week of mounting panel (20), and venthole (23) and outlet duct (19) intercommunication, set up the direction wind channel of multiunit and venthole (23) looks adaptation on blast pipe (21) of circulating device (7).
5. An all-steel fume hood with exhaust gas recycling function according to claim 1, wherein: a lifting stop block is integrally formed on one side, close to the movable window (4), of the top of the operating platform (3), and the height of the lifting stop block is larger than the distance between the mounting plate (20) of the circulating device (7) and the operating platform (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022507758.8U CN213856228U (en) | 2020-11-03 | 2020-11-03 | All-steel fume hood with exhaust gas recycling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022507758.8U CN213856228U (en) | 2020-11-03 | 2020-11-03 | All-steel fume hood with exhaust gas recycling function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213856228U true CN213856228U (en) | 2021-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022507758.8U Expired - Fee Related CN213856228U (en) | 2020-11-03 | 2020-11-03 | All-steel fume hood with exhaust gas recycling function |
Country Status (1)
| Country | Link |
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| CN (1) | CN213856228U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113926821A (en) * | 2021-09-04 | 2022-01-14 | 蔡玲 | Do benefit to storage biological medicine experiment fume chamber |
-
2020
- 2020-11-03 CN CN202022507758.8U patent/CN213856228U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113926821A (en) * | 2021-09-04 | 2022-01-14 | 蔡玲 | Do benefit to storage biological medicine experiment fume chamber |
| CN113926821B (en) * | 2021-09-04 | 2023-12-29 | 杭州塘树科技有限公司 | Do benefit to storage biological medicine experiment fume chamber |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210803 |