CN211753315U - Fume chamber purifier and self-purification fume chamber - Google Patents
Fume chamber purifier and self-purification fume chamber Download PDFInfo
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- CN211753315U CN211753315U CN202020145377.7U CN202020145377U CN211753315U CN 211753315 U CN211753315 U CN 211753315U CN 202020145377 U CN202020145377 U CN 202020145377U CN 211753315 U CN211753315 U CN 211753315U
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Abstract
The utility model belongs to the technical field of laboratory paraphernalia, particularly, the utility model relates to a fume chamber purifier and a self-purification fume chamber. Fume chamber purifier includes the shell and installs first purification module, fan and the second purification module on the shell. The self-purification fume hood comprises a hood body and a fume hood purification device. The utility model discloses a fume chamber purifier can solve the pipeline and build, the problem that the maintenance cost is high, not only can guarantee the gas circulation nature in the laboratory, can also handle the harmful gas that the experiment produced, has characteristics with low costs, that the energy consumption is little, environment friendly to can provide the powerful guarantee for experimenter's healthy. The utility model discloses a self-purification fume chamber is applicable to the harmful gas treatment engineering in the physics and chemistry laboratory that does not establish ventilation unit earlier, has characteristics with low costs, that the energy consumption is little, the transformation work load is little.
Description
Technical Field
The utility model belongs to the technical field of laboratory paraphernalia, particularly, the utility model relates to a fume chamber purifier and a self-purification fume chamber.
Background
Most of waste gas in the physical and chemical laboratory is directly discharged without being treated, which not only aggravates air pollution, but also harms the health of experimenters.
In this regard, there are also some related schemes for the treatment of exhaust gas in a physicochemical laboratory, which can treat exhaust gas to some extent. For example: the utility model discloses a practical novel patent application file that application number is 201820412391, application date is 2018 3 month 26, the invention creation name is a fume chamber system is used in laboratory, this patent application file can improve the air quality in the laboratory through set up the pipeline outside the laboratory, solves the problem that waste gas is directly arranged to a certain extent.
The scheme of carrying out exhaust-gas treatment through setting up the pipeline also has the drawback, for example, the laboratory is not the saturation utilization when carrying out the experiment (take place in every experiment in the laboratory not need use all laboratorials, but according to the demand with a part of laboratorials), therefore the economic suitability of the way that comes to carry out exhaust-gas treatment to whole laboratory through setting up the pipeline is relatively poor, and carry out exhaust-gas treatment to whole laboratory and can put forward higher requirement to the power of fan, the cost of setting up of pipeline also can correspondingly increase, therefore there is the problem that the energy consumption is big, with high costs.
Therefore, based on the principles of environmental friendliness, health protection, cost reduction and energy consumption reduction, the modification of the physicochemical laboratory is urgent, and no related modification scheme of the physicochemical laboratory is proposed in the prior art.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a fume chamber purifier and a self-purification fume chamber, its technical scheme as follows:
a fume hood purifying device comprises a shell, a first purifying module, a fan and a second purifying module, wherein the first purifying module, the fan and the second purifying module are installed in the shell; the shell is of a cuboid cavity structure and is enclosed around the first purification module, the fan and the second purification module; the first purification module and the second purification module are arranged in parallel, and the first purification module is positioned at the bottom of the shell and used for removing particulate matters, acid mist and water vapor; the second purification module is positioned at the top of the shell and used for removing volatile organic compounds; the fan is located between the first purification module and the second purification module and used for providing airflow power from bottom to top.
The fume hood purifying apparatus as described above, further preferably: the first purifying module comprises a first frame, a protective net arranged on the first frame, an HEPA Filter screen layer (HEPA Filter screen is the Filter screen meeting the HEPA standard in short term), a first collodion spraying layer and a sponge layer; the two protective nets are respectively arranged on the upper surface and the lower surface of the first frame; the HEPA filter screen layer is positioned between the two protective screens and used for removing particles; the first collodion spraying layer is positioned between the two protective nets and above the HEPA filter screen layer and is used for adsorbing acid mist; the sponge layer is located between the two protective nets and above the first collodion spraying layer and used for adsorbing water vapor.
The fume hood purifying apparatus as described above, further preferably: the first purification module further comprises two sealing rubber strips, wherein the two sealing rubber strips are positioned in a gap between the protective net and the first frame, are higher than the upper surface of the first frame and are lower than the lower surface of the first frame.
The fume hood purifying apparatus as described above, further preferably: the second purification module comprises a second frame, and a bearing net, a top net, a second collodion spraying layer and a modified activated carbon filter material layer which are arranged on the second frame; the second frame comprises a plurality of grids which are arranged in parallel on a horizontal plane; the bearing net is arranged at the bottom of the second frame and is positioned below the grid; the top net is arranged at the top of the second frame and is positioned above the grids, and the top nets correspond to the grids one to one; the number of the second collodion spraying layers is two, one is positioned between the grid and the bearing net, and the other is positioned between the grid and the top net; the modified activated carbon filter material layer is arranged in the grid and positioned between the two second collodion spraying layers and is used for removing volatile organic compounds.
The fume hood purifying apparatus as described above, further preferably: the second purification module further comprises a first buffer pad and a second buffer pad; the first cushion is positioned between the bearing net and the second frame, and the bottom surface of the first cushion is lower than that of the bearing net; the second cushion pad is positioned between the top net and the second frame, and the top surface of the second cushion pad is higher than that of the top net.
The fume hood purifying apparatus as described above, further preferably: the housing comprises a first wall panel, a second wall panel, a third wall panel and a rear cover; the first wall plate, the second wall plate and the third wall plate are sequentially connected and are in a 'T' -shaped structure, one end of the rear cover is connected with the first wall plate, the other end of the rear cover is connected with the third wall plate and is buckled at an opening of the 'T' -shaped structure; be equipped with the deflector on the first wallboard with on the third wallboard, it is a plurality of the deflector is three groups, and every group is two, three groups the deflector is parallel arrangement in vertical direction.
The fume hood purifying apparatus as described above, further preferably: the fan is an axial flow fan.
A self-purification fume hood comprises a hood body and a fume hood purification device; the cabinet body is of a cavity structure with an opening at the top and is used for providing an experiment operation space, and the front side wall of the cabinet body is a transparent side wall and is provided with an operation opening; the fume hood purification device is arranged at the top of the cabinet body and used for treating harmful gas generated in the cabinet body.
The self-cleaning ventilation hood as described above is more preferably: and one of the cabinet bodies is provided with the fume hood purification device.
The self-cleaning ventilation hood as described above is more preferably: one the cabinet body is last to install a plurality ofly fume chamber purifier, it is a plurality of fume chamber purifier sets up in the horizontal direction array.
The self-cleaning ventilation hood as described above is more preferably: the cabinet body is characterized by further comprising a walking support, wherein the walking support is arranged at the bottom of the cabinet body and used for providing walking support.
The analysis can know, compare with prior art, the utility model discloses an advantage and beneficial effect lie in:
the utility model provides a fume chamber purifier is applicable to the transformation of traditional fume chamber, the fume chamber after the transformation is when experimenting, the fan operation, can extract the gas in the fume chamber, gas in the fume chamber passes through the purification of first purification module and second purification module in proper order, can clear away the particulate matter, acid mist, water vapor, volatile organic compounds, thereby harmful gas can clear away, can solve the pipeline and build, the problem that the maintenance cost is high, not only can guarantee the gas circulation nature in the laboratory, can also handle the harmful gas that the experiment produced, and is with low costs, the energy consumption is little, environment-friendly characteristics, and can provide the powerful guarantee for the healthy of experimenter.
The utility model provides a self-purification fume chamber is the combination of the cabinet body and the combination of wind cabinet purifier, and fume chamber purifier installs at the top of the cabinet body, can extract and handle the harmful gas of the internal production of cabinet. When harmful gas is treated in a physicochemical laboratory, a pipeline is not required to be built, and only the self-purification fume hood needs to be moved to a laboratory table where experiments need to be carried out, so that the self-purification fume hood is suitable for the harmful gas treatment engineering of the physicochemical laboratory without a ventilating device, and has the characteristics of low cost, low energy consumption and small modification workload.
Drawings
Fig. 1 is a schematic structural diagram of the fume hood purifying device of the present invention.
Fig. 2 is a schematic structural diagram of the fume hood purifying device of the present invention.
Fig. 3 is a schematic view of the installation of the blower.
Fig. 4 is a schematic structural diagram of the first purification module.
Fig. 5 is a cross-sectional view of a first purification module.
Fig. 6 is a schematic structural view of a second purification module.
Fig. 7 is a sectional view of a second purification module.
Fig. 8 is a schematic structural view of the self-purification ventilation cabinet of the present invention.
Fig. 9 is a top view of the self-cleaning ventilation hood of the present invention.
In the figure: 1-a housing; 2-a second purification module; 3-a first purification module; 4-a guide plate; 5-a hinge; 6, a fan; 7-a first frame; 8-protective screening; 9-sealing rubber strips; a 10-HEPA screen layer; 11-a first sprayed collodion layer; 12-a sponge layer; 13-a second frame; 14-top net; 15-a second cushion; 16-a first cushion; 17-a carrier web; 18-a second sprayed collodion layer; 19-a modified activated carbon filter material layer; 20-fume hood purification equipment; 21-a cabinet body; 22-an operation port; 23-a walking bracket.
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.
In the description of the present invention, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and do not require that the present invention must be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. The terms "connected" and "connected" used in the present invention should be understood in a broad sense, and may be, for example, either fixed or detachable; they may be directly connected or indirectly connected through intermediate members, and specific meanings of the above terms will be understood by those skilled in the art as appropriate.
In the physics and chemistry experiment, can produce harmful gas along with the experiment, for the convenience of handling harmful gas, the fume chamber has generally been placed on the laboratory bench, and the external pipeline of fume chamber exhausts to the laboratory. The utility model discloses in, to the transformation in physics and chemistry laboratory indicate: the physical and chemical laboratory provided with the fume hood is reformed.
Referring to fig. 1 to 9, fig. 1 is a schematic structural diagram of a fume hood purifying device of the present invention; FIG. 2 is a schematic structural view II of the fume hood purifying device of the present invention; FIG. 3 is a schematic view of a fan installation; FIG. 4 is a schematic structural diagram of a first purification module; FIG. 5 is a cross-sectional view of a first purification module; FIG. 6 is a schematic structural view of a second purification module; FIG. 7 is a cross-sectional view of a second purification module; FIG. 8 is a schematic structural view of the self-cleaning ventilation hood of the present invention; fig. 9 is a top view of the self-cleaning ventilation hood of the present invention.
As shown in fig. 1 to 3, the utility model provides a fume hood purification device, which mainly comprises a housing 1, a first purification module 3, a fan 6 and a second purification module 2, wherein the first purification module 3, the fan 6 and the second purification module 2 are arranged on the housing 1; the shell 1 is of a cuboid cavity structure and is enclosed around the first purification module 3, the fan 6 and the second purification module 2; the first purification module 3 and the second purification module 2 are arranged in parallel, and the first purification module 3 is positioned at the bottom of the shell 1 and used for removing particulate matters, acid mist and water vapor; the second purification module 2 is positioned at the top of the shell 1 and is used for removing volatile organic compounds; the fan 6 is located between the first purification module 3 and the second purification module 2 and is used for providing airflow force from bottom to top.
Particularly, traditional fume chamber top is equipped with the pipeline of bleeding, and it is outer to bleed through large-scale fan and arrange outward, handles or not handle the harmful gas that the experiment produced, has the drawback that the energy consumption is big, the wasting of resources. The utility model provides a fume chamber purifier is used for the self-purification of fume chamber, when reforming transform ventilating the fume chamber, removes the top cap of traditional fume chamber, will the utility model discloses a fume chamber purifier installs the top at traditional fume chamber to adopt seal part such as rubber strip to carry out the sealed completion that can reform transform of junction. When the fume chamber after reforming transform is experimental, 6 operations of fan can extract the gas in the fume chamber, and the gas in the fume chamber passes through first purification module 3 and second purification module 2's purification in proper order, can clear away particulate matter, acid mist, vapor, volatile organic compounds to harmful gas can be clear away. The utility model discloses can solve the pipeline and build, the problem that the maintenance cost is high, not only can guarantee the gas circulation nature in the laboratory, can also handle the harmful gas that the experiment produced, have with low costs, the energy consumption is little, environment friendly's characteristics to can provide the powerful guarantee for experimenter's healthy.
Further, as shown in fig. 1 to 3, in the present invention, the housing 1 includes a first wall plate, a second wall plate, a third wall plate, and a rear cover. The first wall plate, the second wall plate and the third wall plate are sequentially connected, the first wall plate and the third wall plate are arranged in parallel and are respectively perpendicular to the second wall plate, so that a 'T' -shaped structure is formed, one end of the rear cover is connected with the first wall plate, the other end of the rear cover is connected with the third wall plate, and the rear cover is buckled at an opening of the 'T' -shaped structure, so that a rectangular tubular structure is formed. The rear cover is movably connected with the first wall plate and the third wall plate, so that the first purification module 3 and the third purification module can be conveniently disassembled and maintained. Be equipped with deflector 4 on the first wallboard and on the third wallboard, a plurality of deflectors 4 are three groups, by last first group, second group and third group in proper order under to, and two of every group are installed respectively on first wallboard and third wallboard, and three group's deflectors 4 parallel arrangement in vertical direction to can form the three-layer space, be used for installing first purification module 3, fan 6, second purification module 2 respectively by going up.
The utility model discloses in, back lid and first wallboard and third wallboard swing joint's mode can have the multiple, for example joint, articulated, sliding connection etc.. In an embodiment of the present invention, one end of the back cover is hinged to the third wall plate through the hinge 5, and the other end is buckled to the first wall plate through the magnetic attraction device (the back cover is provided with an iron sheet, and the first wall plate is provided with a permanent magnet, thereby forming a magnetic attraction device with attraction force).
Further, as shown in fig. 2, 4 and 5, in the present invention, the first purification module 3 includes a first frame 7, and a protection net 8, a HEPA filter layer 10, a first collodion layer 11 and a sponge layer 12 which are installed on the first frame 7. The two protective nets 8 are respectively arranged on the upper surface and the lower surface of the first frame 7, and can provide external support for an HEPA filter screen layer 10, a first collodion layer 11 and a sponge layer 12 which are arranged between the first frame 7 and the two protective nets 8. The HEPA filter screen layer 10 is positioned between two protective screens 8 and can remove particles in the gas, and the HEPA filter screen layer 10 preferably has a filtering grade of H12. The first collodion spraying layer 11 is positioned between the two protective nets 8 and above the HEPA filter screen layer 10, and can adsorb acid mist in gas. The sponge layer 12 is positioned between the two protective nets 8 and above the first collodion spraying layer 11, and can adsorb water vapor in air.
Further, as shown in fig. 4 and 5, in the utility model discloses in, first purification module 3 still includes joint strip 9, and joint strip 9 is two, is located the gap between protection network 8 and the first frame 7 to exceed the upper surface of first frame 7, be less than the lower surface of first frame 7. When the first purification module 3 is installed on the shell 1, the sealing rubber strip 9 positioned on the upper surface of the first frame 7 can be compressed between the second group of guide plates 4 and the first frame 7, and the sealing rubber strip 9 positioned on the lower surface of the first frame 7 can be compressed between the third group of guide plates 4 and the first frame 7, so that the gap at the joint of the first purification module 3 and the shell 1 can be closed, and harmful gas is prevented from overflowing from the gap.
Further, as shown in fig. 1, 6 and 7, in the present invention, the second purification module 2 comprises a second frame 13, and a carrying net 17, a top net 14, a second collodion layer 18 and a modified activated carbon filter layer 19 which are installed on the second frame 13. The second frame 13 comprises a plurality of grids which are arranged in parallel on a horizontal plane, so that a plurality of storage positions of the modified activated carbon can be formed, the grids are relatively independent, and one or more grids can be selected for replacing the modified activated carbon during maintenance. The carrier net 17 is installed at the bottom of the second frame 13 and under the grids, which is the bottom surface of the second purification module 2, with good permeability. The top net 14 is installed at the top of the second frame 13 and is located above the grids as the top surface of the second purification module 2, and the plurality of top nets 14 correspond to the plurality of grids one to one, so that the replacement of the internal modified activated carbon is facilitated. Two second collodion-spraying layers 18 are arranged, one is positioned between the grid and the bearing net 17, and can support the modified activated carbon filter material layer 19 at the bottom to prevent the modified activated carbon from spilling; and the other between the grid and the top screen 14, covering the top of the modified activated carbon filter layer 19. The second glue-spraying surface layer covers the upper surface and the lower surface of the modified activated carbon filter material layer 19, plays a role in protecting the modified activated carbon, can adsorb acid mist in gas, and improves the treatment quality of harmful gas. The modified activated carbon filter material layer 19 is arranged in the grid and positioned between the two second collodion-spraying layers 18, and can adsorb volatile organic compounds in gas.
Further, as shown in fig. 6 and 7, in the present invention, the second purification module 2 further includes a first buffer pad 16 and a second buffer pad 15. The first buffer cushion 16 is positioned between the bearing net 17 and the second frame 13, the bottom surface is lower than the bottom surface of the bearing net 17, when the second purification module 2 is installed on the shell 1, due to the self weight of the second purification module 2, the first buffer cushion 16 is compressed between the second purification module 2 and the first group of guide plates 4, thereby being capable of sealing the gap at the joint of the second purification module 2 and the shell 1 and preventing harmful gas from overflowing from the gap. Second blotter 15 is located between the grid of top net 14 and second frame 13, and the top surface of second blotter 15 is higher than the top surface of top net 14, can form the firm connection between top net 14 and the second frame 13 (second blotter 15 bonds on second frame 13, and is located the top of top net 14 to can form the joint structure of joint top net 14), can protect the top of second purification module 2 simultaneously, improve the buffering to the falling object that probably falls at second purification module 2 top.
The utility model discloses in, first spout collodion layer 11, the collodion layer 18 is spouted to the second and is adopted many amino hyperbranched polymer and polypropylene to mix the back and melt and spout and form, the network structure who interweaves for the filament of diameter 1 micron to diameter 10 microns. Preferably, the mixing ratio range of the polyamino hyperbranched polymer and the polypropylene is 1:10, the polyamino hyperbranched polymer material is selected from the polyamino hyperbranched polymers (formaldehyde scavenger) disclosed in the invention patent with the application number of 201310607901.2 and the application date of 2013, 11 and 25, the invention provides the formaldehyde scavenger and the preparation method thereof, and the polyamino hyperbranched polymers (formaldehyde scavenger) have the characteristics of no toxicity, no volatility, no pungent smell, no harm to human bodies, good film forming property, lasting effect and the like.
The utility model discloses in, modified activated carbon filter material layer 19 adopts the activated carbon filter material after the modification to prepare and forms, and the preferred application number of modified activated carbon filter material is 201811003547.1, and the application date is 2018 8 months 30 days, invents and creates the name and remove aldehyde free from extraneous odour active carbon and the method that mentions in the patent application document of processing method for high efficiency and prepare and form.
In the present invention, the first frame 7 and the second frame 13 may be made of paper, plastic, non-woven fabric, or the like. The sealing rubber strip 9, the first cushion pad 16 and the second cushion pad 15 are made of ethylene propylene diene monomer rubber, and have good shock absorption and corrosion resistance. The fan 6 is preferably an axial fan 6, which draws air in the direction of the first purification module 3 and discharges it towards the second purification module 2.
As shown in fig. 8 and 9, the present invention further provides a self-purification ventilation hood, which mainly comprises a hood body 21 and a ventilation hood purification device; the cabinet body 21 is a cavity structure with an opening at the top and is used for providing an experiment operation space, and the front side wall of the cabinet body 21 is a transparent side wall and is provided with an operation opening 22; the fume hood purification device 20 is installed at the top of the cabinet body 21, and can extract and treat harmful gas generated in the cabinet body 21. When harmful gas is treated in a physicochemical laboratory, a pipeline is not required to be built, and only the self-purification fume hood needs to be moved to a laboratory table where experiments need to be carried out, so that the self-purification fume hood is suitable for the harmful gas treatment engineering of the physicochemical laboratory without a ventilating device, and has the characteristics of low cost, low energy consumption and small modification workload.
The utility model discloses in, the collocation form of the cabinet body 21 and fume chamber purifier 20 can have a plurality of. In an embodiment of the present invention, a fume hood purification device 20 is installed on a cabinet body 21, and both devices correspond to each other one by one. In another embodiment of the present invention, two fume hood purification devices 20 are installed on one cabinet body 21, and the two fume hood purification devices 20 are arranged in an array in the horizontal direction, so as to be suitable for a large-width (for example, two meters and more) experiment table.
Further, as shown in fig. 8, the utility model discloses in, still including walking support 23, walking support 23 installs in the bottom of the cabinet body 21, and the transport of being convenient for from the purification fume chamber is used, can provide walking support for self-purification fume chamber. The walking bracket 23 comprises four upright posts and four rollers, wherein two rollers are universal wheels, and the rollers are arranged at the bottom of the upright posts. When needs use self-purification fume chamber, draw and drag self-purification fume chamber, will pull laboratory bench department from the self-purification fume chamber, make the laboratory bench be located between four stands can.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.
Claims (10)
1. A fume hood purification apparatus, comprising:
the first purification module, the fan and the second purification module are arranged in the shell;
the shell is of a cuboid cavity structure and is enclosed around the first purification module, the fan and the second purification module;
the first purification module and the second purification module are arranged in parallel, and the first purification module is positioned at the bottom of the shell and used for removing particulate matters, acid mist and water vapor;
the second purification module is positioned at the top of the shell and used for removing volatile organic compounds;
the fan is located between the first purification module and the second purification module and used for providing airflow power from bottom to top.
2. A fume hood purification apparatus according to claim 1 wherein:
the first purification module comprises a first frame, and a protective net, an HEPA filter screen layer, a first collodion spraying layer and a sponge layer which are arranged on the first frame;
the two protective nets are respectively arranged on the upper surface and the lower surface of the first frame;
the HEPA filter screen layer is positioned between the two protective screens and used for removing particles;
the first collodion spraying layer is positioned between the two protective nets and above the HEPA filter screen layer and is used for adsorbing acid mist;
the sponge layer is located between the two protective nets and above the first collodion spraying layer and used for adsorbing water vapor.
3. A fume hood purification apparatus according to claim 2 wherein:
the first purification module further comprises two sealing rubber strips, wherein the two sealing rubber strips are positioned in a gap between the protective net and the first frame, are higher than the upper surface of the first frame and are lower than the lower surface of the first frame.
4. A fume hood purification apparatus according to claim 1 wherein:
the second purification module comprises a second frame, and a bearing net, a top net, a second collodion spraying layer and a modified activated carbon filter material layer which are arranged on the second frame;
the second frame comprises a plurality of grids which are arranged in parallel on a horizontal plane;
the bearing net is arranged at the bottom of the second frame and is positioned below the grid;
the top net is arranged at the top of the second frame and is positioned above the grids, and the top nets correspond to the grids one to one;
the number of the second collodion spraying layers is two, one is positioned between the grid and the bearing net, and the other is positioned between the grid and the top net;
the modified activated carbon filter material layer is arranged in the grid and positioned between the two second collodion spraying layers and is used for removing volatile organic compounds.
5. A fume hood purification apparatus according to claim 4 wherein:
the second purification module further comprises a first buffer pad and a second buffer pad;
the first cushion is positioned between the bearing net and the second frame, and the bottom surface of the first cushion is lower than that of the bearing net;
the second cushion pad is positioned between the top net and the second frame, and the top surface of the second cushion pad is higher than that of the top net.
6. A fume hood purification apparatus according to claim 1 wherein:
the housing comprises a first wall panel, a second wall panel, a third wall panel and a rear cover;
the first wall plate, the second wall plate and the third wall plate are sequentially connected and are in a 'T' -shaped structure, one end of the rear cover is connected with the first wall plate, the other end of the rear cover is connected with the third wall plate and is buckled at an opening of the 'T' -shaped structure;
be equipped with the deflector on the first wallboard with on the third wallboard, it is a plurality of the deflector is three groups, and every group is two, three groups the deflector is parallel arrangement in vertical direction.
7. A self-cleaning fumehood, comprising:
a cabinet and a fume hood purification apparatus as claimed in any one of claims 1 to 6;
the cabinet body is of a cavity structure with an opening at the top and is used for providing an experiment operation space, and the front side wall of the cabinet body is a transparent side wall and is provided with an operation opening;
the fume hood purification device is arranged at the top of the cabinet body and used for treating harmful gas generated in the cabinet body.
8. A self-cleaning fumehood according to claim 7 wherein:
and one of the cabinet bodies is provided with the fume hood purification device.
9. A self-cleaning fumehood according to claim 7 wherein:
one the cabinet body is last to install a plurality ofly fume chamber purifier, it is a plurality of fume chamber purifier sets up in the horizontal direction array.
10. A self-cleaning fumehood according to claim 7 further comprising:
the walking bracket is arranged at the bottom of the cabinet body and used for providing walking support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020145377.7U CN211753315U (en) | 2020-01-22 | 2020-01-22 | Fume chamber purifier and self-purification fume chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020145377.7U CN211753315U (en) | 2020-01-22 | 2020-01-22 | Fume chamber purifier and self-purification fume chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211753315U true CN211753315U (en) | 2020-10-27 |
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ID=72904142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020145377.7U Active CN211753315U (en) | 2020-01-22 | 2020-01-22 | Fume chamber purifier and self-purification fume chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211753315U (en) |
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2020
- 2020-01-22 CN CN202020145377.7U patent/CN211753315U/en active Active
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