CN209918535U - Safe type laboratory fume chamber clean system - Google Patents
Safe type laboratory fume chamber clean system Download PDFInfo
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- CN209918535U CN209918535U CN201920527216.1U CN201920527216U CN209918535U CN 209918535 U CN209918535 U CN 209918535U CN 201920527216 U CN201920527216 U CN 201920527216U CN 209918535 U CN209918535 U CN 209918535U
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- fume hood
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Abstract
The utility model provides a safe laboratory fume hood purification system, which comprises a fume hood, an air guide component, a waste gas purification box and a filter box; the ventilating cabinet comprises a storage box and an operation window, the storage box is positioned below the operation window, and an air guide assembly is arranged at the upper position of the operation window; air guide assembly has installed the installation framework including the flexible pipe, return bend, silence fan and the cone screen that connect gradually, cone screen lower extreme, and demountable installation has a cone in the installation framework, and the cone passes through the fixed plate to be installed on the installation framework, forms the air guide passageway between cone and the cone screen. This safe type laboratory fume chamber clean system can purify harmful substance such as waste gas, steam, gas, particle, smog, soot, dust, aerosol in laboratory, prevents that it from discharging laboratory polluted air.
Description
Technical Field
The utility model relates to a laboratory ventilation clean system especially relates to a safe type laboratory fume chamber clean system.
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.
Most of the existing fume hoods are of the top-bottom type. The top of the air inlet is provided with an air outlet hole which can be provided with a fan; a guide plate, a circuit control touch switch, a power socket and the like are arranged in the upper cabinet; the perspective window is made of toughened glass and can move left and right or up and down for human operation. Through fan intercommunication vent during the use, carry out convulsions and reach the purpose of harmful gas, steam, particle (smog, soot, dust and aerosol) in the discharge laboratory, but must cause the pollution of air like this, also the exhaust gas that also can't discharge to current fume chamber purifies, and is great to environmental hazard.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to prior art's defect, provide a can effectively carry out the safe type laboratory fume chamber clean system that purifies to the polluted waste gas that the laboratory discharged.
The utility model discloses a solve above-mentioned technical problem and adopt following technical scheme:
the utility model provides a safe laboratory fume hood purification system, which comprises a fume hood, an air guide component arranged at the top of the fume hood, and a waste gas purification box and a filter box which are sequentially communicated with the air guide component; the ventilating cabinet comprises a storage box and an operation window, the storage box is located below the operation window, and the air guide assembly is arranged at the upper position of the operation window; air guide assembly is including the flexible pipe, return bend, silence fan and the conical screen that connect gradually, the installation framework has been installed to conical screen lower extreme, demountable installation has the otter board in the installation framework, be provided with a conical section of thick bamboo in the conical screen, a conical section of thick bamboo passes through the fixed plate and installs in the installation framework, a conical section of thick bamboo with form the wind-guiding passageway between the conical section of thick bamboo screen, the upper end of wind-guiding passageway with return bend intercommunication, the lower extreme warp the otter board with operation window intercommunication.
Furthermore, on the safe type laboratory fume chamber clean system, install perpendicular slide rail on the cabinet body of operation window both sides, the glass window passes through the slide rail slidable and sets up in two on the perpendicular slide rail.
Furthermore, on the safe laboratory fume hood purification system, the conical surfaces on the left side and the right side of the conical cylinder are not connected with the inner wall of the conical screen to form the air guide channel; and the conical surfaces on the front side and the rear side of the conical cylinder are connected with the inner wall of the conical screen to fix the conical cylinder.
Furthermore, on the safety laboratory fume hood purification system, the left and right end surfaces of the fixing plate are not connected with the left and right inner walls of the installation frame body, so that a channel communicated with the air guide channel is formed between the left and right end surfaces of the fixing plate and the inner walls of the left and right sides of the installation frame body; and the front end surface and the rear end surface of the fixing plate are fixedly connected with the inner walls of the front side and the rear side of the mounting frame body so as to fix the fixing plate on the mounting frame body.
Furthermore, on the safe laboratory fume hood clean system, the lower terminal surface of fixed plate and the up end of otter board do not connect to form with the passageway of wind-guiding passageway intercommunication.
Furthermore, on the safe laboratory fume hood purification system, the waste gas purification box comprises a purification box body, an air inlet pipeline and an exhaust pipeline, wherein one end of the air inlet pipeline is communicated with the telescopic pipe, and the other end of the air inlet pipeline is communicated with the bottom of the purification box body; one end of the exhaust pipeline is communicated with the upper part of the purifying box body, and the other end of the exhaust pipeline is communicated with the filter box.
Further preferably, on the safe laboratory fume hood purification system, the top of the purification box body is provided with a liquid inlet, the bottom of the purification box body is provided with a liquid outlet, the liquid inlet and the liquid outlet are both provided with valves, and chemical cleaning liquid is arranged in the purification box body.
Further, safe type laboratory fume chamber clean system on, the rose box including filter the box with set gradually in filter cloth layer and active carbon adsorption layer in the filter box, one side and the exhaust duct intercommunication of filter the box, the opposite side is outdoor through the pipeline intercommunication.
Furthermore, on the safe laboratory fume hood purification system, the filter cloth layer is a nylon mesh cloth with 90-120 meshes; the mesh plate is a stainless steel mesh plate with 60-80 meshes.
The utility model adopts the above technical scheme, compare with prior art, have following technological effect:
the utility model discloses a safe type laboratory fume chamber clean system, through set up air guide component at the fume chamber top, waste gas with in the laboratory is through tentatively removing dust the back, send into the exhaust gas purification case and purify, then pass through the filter box and filter the back row laboratory once more again, not only can purify the waste gas of laboratory, steam, gas, the particle, smog, the coal smoke, the dust, harmful substance such as aerosol, prevent its exhaust laboratory contaminated air, and can effectual purification laboratory's air quality, there is fine guard action to the healthy of laboratory personnel, the waste gas of laboratory has been purified, good popularization and application value has.
Drawings
FIG. 1 is a schematic structural view of a safety laboratory fume hood purification system of the present invention;
FIG. 2 is a schematic structural view of a waste gas purification box in a safety laboratory fume hood purification system according to the present invention;
FIG. 3 is a schematic structural view of a filter box in a safety laboratory fume hood purification system of the present invention;
wherein the reference symbols are:
10-a fume hood, 11-a storage box, 12-an operation window, 13-a vertical sliding rail and 14-a glass window; 20-air guide assembly, 21-screen plate, 22-frame body, 23-fixed plate, 24-air guide channel, 25-conical screen, 26-conical barrel, 27-silent fan, 28-bent pipe and 29-telescopic pipe; 30-a chemical purification box, 31-a purification box body, 32-an air inlet pipeline, 33-an exhaust pipeline, 34-a liquid inlet, 35-a liquid outlet and 36-chemical cleaning liquid; 40-a filter box, 41-a filter box body, 42-a filter cloth layer and 43-an active carbon adsorption layer.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1, the embodiment provides a safety laboratory fume hood purification system, which includes a fume hood 10, an air guide assembly 20 disposed at the top of the fume hood 10, and an exhaust gas purification box 30 and a filter box 40 sequentially communicated with the air guide assembly 20; the fume hood 10 comprises a storage box 11 and an operation window 12, wherein the storage box 11 is located below the operation window 12, and the air guide assembly 20 is arranged at an upper position of the operation window 12; air guide assembly 20 is including the flexible pipe 29, return bend 28, silent fan 27 and the conical screen 26 that connect gradually, installation frame body 22 has been installed to conical screen 26 lower extreme, demountable installation has otter board 21 on the installation frame body 22, be provided with a conical section of thick bamboo 25 in the conical screen 26, a conical section of thick bamboo 25 passes through fixed plate 23 and installs on the installation frame body 22, a conical section of thick bamboo 25 with form wind-guiding passageway 24 between the conical screen 26, wind-guiding passageway 24 upper end with return bend 28 intercommunication, lower extreme net board 21 with operation window 12 intercommunication.
In this embodiment, as shown in fig. 1, vertical sliding rails 13 are installed on the cabinet bodies on both sides of the operating window 12, and the glass window 14 is slidably disposed on the two vertical sliding rails 13 through the sliding rails 13.
As an embodiment, as shown in fig. 1, the left and right tapered surfaces of the tapered tube 25 are not connected to the inner wall of the tapered screen 26 to form the air guiding channel 24; and the conical surfaces of the front side and the rear side of the conical tube 25 are connected with the inner wall of the conical screen 26 to fix the conical tube 25.
As an example, as shown in fig. 1, the left and right end surfaces of the fixing plate 23 are not connected to the left and right inner walls of the attachment frame 22 so as to form a passage communicating with the air guide passage 24 therebetween; and the front and rear end surfaces of the fixing plate 23 are fixedly connected to the front and rear inner walls of the mounting frame 22, so that the fixing plate 23 is fixed to the mounting frame 22.
As an example, as shown in fig. 1, a lower end surface of the fixing plate 23 is not connected to an upper end surface of the mesh plate 21 to form a channel communicating with the wind guide channel 24.
As an example, as shown in fig. 2, the exhaust gas purifying box 30 includes a purifying box 31, an air inlet pipe 32 and an air outlet pipe 33, one end of the air inlet pipe 32 is communicated with the telescopic pipe 29, and the other end is communicated with the bottom of the purifying box 31; one end of the exhaust duct 33 communicates with the upper portion of the purification tank 31, and the other end communicates with the filter tank 40.
In this embodiment, as shown in fig. 2, a liquid inlet 34 is disposed at the top of the purification box 31, a liquid outlet 35 is disposed at the bottom of the purification box, valves are disposed at both the liquid inlet 34 and the liquid outlet 35, and a chemical cleaning liquid 36 is disposed in the purification box 31.
As an example, as shown in fig. 3, the filter box 40 includes a filter box body 41, and a filter cloth layer 42 and an activated carbon adsorption layer 43 sequentially disposed in the filter box body 41, wherein one side of the filter box body 41 is communicated with the exhaust duct 33, and the other side is communicated with the outside through a duct. The filter cloth layer 42 is a chinlon mesh cloth with 90-120 meshes; the mesh plate 21 is a stainless steel mesh plate with 60-80 meshes.
In summary, in the safety laboratory fume hood purification system of the embodiment, the air guide assembly 20 is arranged at the top of the fume hood 10, so that waste gas in a laboratory is subjected to preliminary dust removal through the screen 21 and then is sent into the waste gas purification box 30 for chemical purification, and harmful gas, particles, smoke, soot, dust and the like in the waste gas are removed; then the air is filtered again by the filter box 40 to further remove harmful substances such as dust, aerosol and the like and then discharged to a laboratory, and the air quality of the laboratory is effectively purified.
The present invention has been described in detail with reference to the specific embodiments, but the present invention is only by way of example and is not limited to the specific embodiments described above. Any equivalent modifications and substitutions to those skilled in the art are intended to be within the scope of the present invention. Accordingly, variations and modifications in equivalents may be made without departing from the spirit and scope of the invention, which is intended to be covered by the following claims.
Claims (9)
1. A safety laboratory fume hood purification system is characterized by comprising a fume hood (10), an air guide assembly (20) arranged at the top of the fume hood (10), and a waste gas purification box (30) and a filter box (40) which are sequentially communicated with the air guide assembly (20); the ventilating cabinet (10) comprises a storage box (11) and an operation window (12), wherein the storage box (11) is located below the operation window (12), and the air guide assembly (20) is arranged at the upper position of the operation window (12); wind-guiding subassembly (20) are including the flexible pipe (29), return bend (28), silence fan (27) and the conical screen (26) that connect gradually, installation frame body (22) have been installed to conical screen (26) lower extreme, demountable installation has otter board (21) on installation frame body (22), be provided with a conical section of thick bamboo (25) in conical screen (26), install through fixed plate (23) conical section of thick bamboo (25) on installation frame body (22), conical section of thick bamboo (25) with form wind-guiding passageway (24) between conical wind screen (26), wind-guiding passageway (24) the upper end and return bend (28) intercommunication operation window (12) the lower extreme.
2. The safety laboratory fume hood purification system according to claim 1, wherein vertical sliding rails (13) are installed on the cabinet bodies on both sides of the operation window (12), and the glass window (14) is slidably arranged on the two vertical sliding rails (13) through the sliding rails (13).
3. The safety laboratory fume hood purification system according to claim 1, wherein the left and right conical surfaces of said conical tube (25) are not connected to the inner wall of said conical screen (26) to form said air guiding channel (24); and the conical surfaces on the front side and the rear side of the conical cylinder (25) are connected with the inner wall of the conical screen (26) to fix the conical cylinder (25).
4. The safety laboratory fume hood purification system according to claim 1, wherein the left and right end surfaces of the fixing plate (23) are not connected to the left and right inner walls of the mounting frame body (22) so as to form a channel therebetween, the channel being communicated with the air guide channel (24); and the front and rear end surfaces of the fixing plate (23) are fixedly connected with the front and rear inner walls of the mounting frame body (22) so as to fix the fixing plate (23) on the mounting frame body (22).
5. Safety laboratory fume hood purification system according to claim 1, characterized in that the lower end face of the fixing plate (23) is not connected to the upper end face of the mesh plate (21) to form a channel communicating with the air guiding channel (24).
6. The safety laboratory fume hood purification system according to claim 1, wherein the exhaust gas purification box (30) comprises a purification box body (31), an air inlet pipeline (32) and an exhaust pipeline (33), one end of the air inlet pipeline (32) is communicated with the telescopic pipe (29), and the other end is communicated with the bottom of the purification box body (31); one end of the exhaust pipeline (33) is communicated with the upper part of the purifying box body (31), and the other end is communicated with the filter box (40).
7. The safety laboratory fume hood purification system according to claim 6, wherein a liquid inlet (34) is arranged at the top of the purification box body (31), a liquid outlet (35) is arranged at the bottom of the purification box body, valves are arranged at the liquid inlet (34) and the liquid outlet (35), and a chemical cleaning liquid (36) is filled in the purification box body (31).
8. The safety laboratory fume hood purification system according to claim 1, wherein the filter box (40) comprises a filter box body (41), and a filter cloth layer (42) and an activated carbon adsorption layer (43) which are sequentially arranged in the filter box body (41), wherein one side of the filter box body (41) is communicated with the exhaust pipeline (33), and the other side of the filter box body is communicated with the outside through a pipeline.
9. The safety laboratory fume hood purification system according to claim 8, wherein the filter cloth layer (42) is a 90-120 mesh nylon mesh; the mesh plate (21) is a stainless steel mesh plate with 60-80 meshes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920527216.1U CN209918535U (en) | 2019-04-18 | 2019-04-18 | Safe type laboratory fume chamber clean system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920527216.1U CN209918535U (en) | 2019-04-18 | 2019-04-18 | Safe type laboratory fume chamber clean system |
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| Publication Number | Publication Date |
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| CN209918535U true CN209918535U (en) | 2020-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920527216.1U Active CN209918535U (en) | 2019-04-18 | 2019-04-18 | Safe type laboratory fume chamber clean system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112246085A (en) * | 2020-09-25 | 2021-01-22 | 天长市高朋实验设备有限公司 | Laboratory exhaust purification fume chamber |
| CN115463933A (en) * | 2022-10-11 | 2022-12-13 | 安徽省义广实验室装备制造有限公司 | Environment-friendly laboratory fume chamber with exhaust purification function |
-
2019
- 2019-04-18 CN CN201920527216.1U patent/CN209918535U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112246085A (en) * | 2020-09-25 | 2021-01-22 | 天长市高朋实验设备有限公司 | Laboratory exhaust purification fume chamber |
| CN115463933A (en) * | 2022-10-11 | 2022-12-13 | 安徽省义广实验室装备制造有限公司 | Environment-friendly laboratory fume chamber with exhaust purification function |
| CN115463933B (en) * | 2022-10-11 | 2024-04-09 | 安徽省义广实验室装备制造有限公司 | Environment-friendly laboratory fume chamber with exhaust gas purification function |
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