CN218486821U - Fume chamber that has fire prevention function of using in laboratory - Google Patents
Fume chamber that has fire prevention function of using in laboratory Download PDFInfo
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- CN218486821U CN218486821U CN202222924738.XU CN202222924738U CN218486821U CN 218486821 U CN218486821 U CN 218486821U CN 202222924738 U CN202222924738 U CN 202222924738U CN 218486821 U CN218486821 U CN 218486821U
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Abstract
The utility model discloses a fume chamber with fire prevention function of using in laboratory belongs to laboratory experiment utensil technical field, a fume chamber with fire prevention function of using in laboratory, the intelligent cabinet temperature adjusting device comprises a cabinet body and a control panel, first extinguishing device and second extinguishing device are installed respectively to cabinet body both sides, the collecting tank has been seted up to cabinet body inner chamber bottom, the collecting tank bottom link up and has been seted up down the liquid mouth, the collecting box is installed to the cabinet body, and it can realize, puts out a fire through water and carries out airtight fire extinguishing to the fume chamber inner chamber with two kinds of fire extinguishing methods of carbon dioxide, not only is applicable to different fires, has guaranteed workman's personal safety moreover, still prevents to cause stretching of intensity of a fire.
Description
Technical Field
The utility model relates to a laboratory experiment utensil technical field, more specifically say, relate to a fume chamber with fire prevention function of using in laboratory.
Background
The cabinet exhaust hood is commonly known as a fume hood, similar to the enclosure. The small part paint spraying cabinet and the chemical laboratory ventilation cabinet are typical structures of cabinet type exhaust hoods; some fume hoods are used for chemical experiments, and workers can perform some flammable and explosive chemical experiments.
However, when the existing fume hood for laboratory is used for chemical experiments, if open fire is generated, workers generally open the cabinet door on the fume hood, and then hold the fire extinguisher to extinguish the fire on the inner side of the cabinet body, so that if the fire is too violent, flame is easy to escape from the inner side of the cabinet body, the personal safety of workers is endangered, and the fire is easy to spread, so that the fume hood with the fire prevention function used in the laboratory is provided to solve the existing problems.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
To the problem that exists among the prior art, the utility model aims to provide a fume chamber with fire prevention function of using in laboratory, it can realize putting out a fire through water and two kinds of fire extinguishing methods of carbon dioxide carry out airtight fire extinguishing to the fume chamber inner chamber, not only is applicable to different fires, has guaranteed workman's personal safety moreover, still prevents to cause stretching of intensity of a fire.
2. Technical scheme
In order to solve the problem, the utility model adopts the following technical proposal.
A ventilation cabinet with a fireproof function for a laboratory comprises a cabinet body and a control panel, wherein a first fire extinguishing device and a second fire extinguishing device are respectively installed on two sides of the cabinet body, a liquid collecting tank is arranged at the bottom of an inner cavity of the cabinet body, a liquid outlet is formed in the bottom of the liquid collecting tank in a through mode, and a collecting box is installed on the cabinet body;
the first fire extinguishing device comprises a water tank, a booster pump, a conveying pipe, a liquid filling opening, a liquid level window, a first communication pipe and a conical atomizing nozzle;
the second fire extinguishing device comprises a carbon dioxide fire extinguisher, an air duct, a second communicating pipe and an air tap.
Further, water tank, booster pump, conveyer pipe, filling opening and liquid level window are located the external side of cabinet, first connecting pipe and toper atomizer are located the internal side of cabinet, the water tank top is arranged in to the booster pump, the drinking-water pipe is installed to the output of booster pump, just the drinking-water pipe is located the water tank inboard, the output department at the booster pump is installed to the conveyer pipe, and conveyer pipe and first connecting pipe turn-on connection, toper atomizer vertically is provided with a plurality ofly, and a plurality of the input of toper atomizer all switches on with first connecting pipe and links to each other, filling opening and liquid level window set up respectively in water tank top edge and lateral wall department.
Further, the second extinguishing device includes that carbon dioxide fire extinguisher, air duct are located the external side of cabinet, second communicating pipe and air cock are located the internal side of cabinet, the air duct is installed in carbon dioxide fire extinguisher output end department, and air duct and second communicating pipe turn-on connection, the air cock vertically is provided with a plurality ofly, and a plurality of the input of air cock all communicates pipe turn-on connection with the second.
Furthermore, the output end of the control panel is electrically connected with the input end of the booster pump.
Furthermore, the top of the collecting box is arranged in an open structure, the top of the collecting box corresponds to the lower liquid outlet, the bottom of the collecting box is connected with a water outlet pipe in a conduction mode, and the water outlet pipe is provided with a stop valve.
Furthermore, the joint of the top opening of the collection box and the bottom of the cabinet body is coated with a sealant.
Further, the equal fixedly connected with supporting seat in first extinguishing device and second extinguishing device below, the supporting seat is L shape structure setting, and the inboard fixedly connected with floor of supporting seat bending, and the floor equidistance is provided with a plurality ofly.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of:
(1) This scheme, through when the internal side of cabinet produces the naked light, the rapid closing cabinet door of staff, then through the operation of control panel control booster pump, utilize the booster pump to take the water in the water tank out, then send the water of extraction into the inner chamber of first connecting pipe through the conveyer pipe, under the effect of pressure, a plurality of toper atomizer can be with the water in the first connecting pipe inner chamber spray with vaporific form, be covered with water smoke in making the internal chamber of cabinet, thereby the quick is put out a fire to the internal side of cabinet, workman's personal safety has not only been guaranteed, and prevent still to cause stretching of intensity of a fire.
(2) This scheme, when the internal portion of cabinet takes place naked light because of certain chemical (the water-soluble is easily fired), the rapid cabinet door that closes of staff, then open the carbon dioxide fire extinguisher, make carbon dioxide gas lead to through the quick second communicating pipe that fills into of air duct, then utilize the carbon dioxide gas blowout in a plurality of air cocks with the second communicating pipe, make the internal portion of cabinet be full of carbon dioxide gas, isolated oxygen, thereby make the quick extinguishing of naked light in the cabinet body, workman's personal safety has not only been guaranteed, but also prevent to cause stretching of intensity of a fire.
(3) This scheme, the collecting tank that the water smoke that sprays was seted up through cabinet body inner chamber bottom is collected, then through the liquid mouth converge take the collecting tank in, then open the stop valve of outlet pipe department through the manual work, make the log raft play of collecting, prevent that water liquid from collecing at cabinet internal side and spilling over, the convenient water liquid centralized processing to collecting simultaneously.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is an enlarged schematic view of part a of the present invention;
fig. 3 is a schematic structural view at another viewing angle of the present invention;
fig. 4 is an enlarged schematic view of part B of the present invention.
The reference numbers in the figures illustrate:
1. a cabinet body; 101. a control panel;
2. a water tank; 201. a booster pump; 202. a delivery pipe; 203. a liquid filling port; 204. a liquid level window; 205. a first communication pipe; 206. a conical atomizer;
3. a carbon dioxide extinguisher; 301. an air duct; 302. a second communicating pipe; 303. an air faucet;
4. a liquid collecting tank; 401. a liquid discharge port;
5. a collection box; 501. a water outlet pipe; 502. a stop valve;
6. a supporting seat; 601. a rib plate.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
The first embodiment is as follows:
referring to fig. 1-2, a fume hood with a fireproof function for a laboratory comprises a cabinet body 1 and a control panel 101, wherein first fire extinguishing devices are respectively installed on two sides of the cabinet body 1, a liquid collecting tank 4 is arranged at the bottom of an inner cavity of the cabinet body 1, a liquid outlet 401 is formed in the bottom of the liquid collecting tank 4 in a penetrating manner, and a collecting box 5 is installed on the cabinet body 1;
the first fire extinguishing apparatus comprises a water tank 2, a booster pump 201, a delivery pipe 202, a filling opening 203, a liquid level window 204, a first communication pipe 205 and a conical atomizing nozzle 206.
The output end of the control panel 101 is electrically connected with the input end of the booster pump 201;
it should be noted that, when an open fire is generated inside the cabinet body 1, a worker quickly closes the cabinet door, then controls the operation of the booster pump 201 through the control panel 101, uses the booster pump 201 to pump out the water in the water tank 2, and then sends the pumped water into the inner cavity of the first communication pipe 205 through the delivery pipe 202, and under the action of pressure, the plurality of conical atomizing nozzles 206 spray the water in the inner cavity of the first communication pipe 205 in a mist form, so that the inner cavity of the cabinet body 1 is filled with water mist, thereby quickly extinguishing the fire inside the cabinet body 1.
The top of the collecting box 5 is arranged in an open structure, the top of the collecting box 5 corresponds to the lower liquid outlet 401, the bottom of the collecting box 5 is connected with a water outlet pipe 501 in a conduction mode, a stop valve 502 is installed on the water outlet pipe 501, and sealant is coated at the joint of the top of the collecting box 5 and the bottom of the cabinet body 1;
it should be noted that the sprayed water mist is collected through the liquid collecting tank 4 arranged at the bottom of the inner cavity of the cabinet body 1, then is collected into the belt collecting box 5 through the lower liquid port 401, and then the stop valve 502 at the water outlet pipe 501 is manually opened to discharge the collected water, so that the water is prevented from collecting and overflowing on the inner side of the cabinet body 1, and meanwhile, the collected water mist is conveniently treated in a centralized manner.
Referring to fig. 1, a supporting seat 6 is fixedly connected below the first fire extinguishing apparatus, the supporting seat 6 is arranged in an L-shaped structure, and rib plates 601 are fixedly connected to the bent inner sides of the supporting seat 6, and a plurality of rib plates 601 are arranged at equal intervals;
the water tank 2 is supported by using the support base 6, and the support force of the support base 6 is improved by the rib plate 601.
When in use: when open fire is generated inside the cabinet body 1, a worker quickly closes the cabinet door, then controls the operation of the booster pump 201 through the control panel 101, pumps water in the water tank 2 by using the booster pump 201, and then sends the pumped water into the inner cavity of the first communication pipe 205 through the delivery pipe 202, and under the action of pressure, the water in the inner cavity of the first communication pipe 205 is sprayed in a mist form by the plurality of conical atomizing nozzles 206, so that the inner cavity of the cabinet body 1 is filled with water mist.
Example two
Referring to fig. 3-4, the fire-fighting cabinet comprises a cabinet body 1 and a control panel 101, wherein a first fire-fighting device and a second fire-fighting device are respectively installed on two sides of the cabinet body 1;
the second fire extinguishing device comprises a carbon dioxide extinguisher 3, an air duct 301, a second communicating pipe 302 and an air tap 303.
The second fire extinguishing device comprises a carbon dioxide fire extinguisher 3, an air duct 301 is positioned on the outer side of the cabinet body 1, a second communicating pipe 302 and a plurality of air nozzles 303 are positioned on the inner side of the cabinet body 1, the air duct 301 is arranged at the output end of the carbon dioxide fire extinguisher 3, the air duct 301 is communicated with the second communicating pipe 302, the air nozzles 303 are longitudinally provided, and the input ends of the air nozzles 303 are communicated with the second communicating pipe 302;
it should be noted that, when an open fire occurs inside the cabinet body 1 due to a chemical (water-soluble and flammable), the worker quickly closes the cabinet door, then opens the carbon dioxide fire extinguisher 3, so that carbon dioxide is quickly filled into the second communicating pipe 302 through the air duct 301, and then the carbon dioxide in the second communicating pipe 302 is sprayed out through the plurality of air nozzles 303, so that the inside of the cabinet body 1 is filled with carbon dioxide, oxygen is isolated, and the open fire in the cabinet body 1 is quickly extinguished.
Referring to fig. 3, the supporting seats 6 are fixedly connected below the second fire extinguishing devices, the supporting seats 6 are arranged in an L-shaped structure, the inner bending side of each supporting seat 6 is fixedly connected with a plurality of rib plates 601, and the plurality of rib plates 601 are arranged at equal intervals;
it should be noted that the carbon dioxide extinguisher 3 is supported by the support base 6, and the support force of the support base 6 is increased by the rib plate 601.
When in use: when open fire (water-soluble and inflammable) occurs in the cabinet body 1 due to certain chemicals, a worker quickly closes the cabinet door, then opens the carbon dioxide extinguisher 3, so that carbon dioxide is quickly filled into the second communicating pipe 302 through the air duct 301, and then the carbon dioxide in the second communicating pipe 302 is sprayed out through the plurality of air nozzles 303, so that the cabinet body 1 is filled with the carbon dioxide, and oxygen is isolated.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (7)
1. The utility model provides a fume chamber with fire prevention function that uses in laboratory, includes the cabinet body (1) and control panel (101), its characterized in that: a first fire extinguishing device and a second fire extinguishing device are respectively installed on two sides of the cabinet body (1), a liquid collecting tank (4) is arranged at the bottom of an inner cavity of the cabinet body (1), a liquid outlet (401) is formed in the bottom of the liquid collecting tank (4) in a penetrating mode, and a collecting box (5) is installed on the cabinet body (1);
the first fire extinguishing device comprises a water tank (2), a booster pump (201), a conveying pipe (202), a liquid adding port (203), a liquid level window (204), a first communicating pipe (205) and a conical atomizing nozzle (206);
the second fire extinguishing device comprises a carbon dioxide fire extinguisher (3), an air duct (301), a second communicating pipe (302) and an air tap (303).
2. The fume hood with fire-proof function for the laboratory according to claim 1, wherein: water tank (2), booster pump (201), conveyer pipe (202), filling opening (203) and liquid level window (204) are located the cabinet body (1) outside, first connecting pipe (205) and toper atomizer (206) are located the cabinet body (1) inboardly, water tank (2) top is arranged in booster pump (201), the drinking-water pipe is installed to the output of booster pump (201), just the drinking-water pipe is located water tank (2) inboardly, the output department at booster pump (201) is installed in conveyer pipe (202), and conveyer pipe (202) and first connecting pipe (205) turn-on connection, toper atomizer (206) vertically are provided with a plurality ofly, and a plurality of the input of toper atomizer (206) all switches on continuously with first connecting pipe (205), filling opening (203) and liquid level window (204) set up respectively in water tank (2) top edge and lateral wall department.
3. The fume hood with fire-proof function for the laboratory according to claim 1, wherein: the second extinguishing device includes that carbon dioxide fire extinguisher (3), air duct (301) are located the cabinet body (1) outside, second communicating pipe (302) and air cock (303) are located the cabinet body (1) inboard, install in carbon dioxide fire extinguisher (3) output end department air duct (301), and air duct (301) and second communicating pipe (302) turn-on connection, air cock (303) vertically is provided with a plurality ofly, and a plurality of the input of air cock (303) all communicates pipe (302) turn-on connection with the second.
4. The fume hood with fire-proof function for laboratory use according to claim 1, wherein: the output end of the control panel (101) is electrically connected with the input end of the booster pump (201).
5. The fume hood with fire-proof function for the laboratory according to claim 1, wherein: collecting box (5) top is open structure setting, and collecting box (5) top mouth department is corresponding with lower liquid mouth (401), collecting box (5) bottom turn-on connection has outlet pipe (501), install stop valve (502) on outlet pipe (501).
6. The fume hood with fire-proof function for the laboratory according to claim 1, wherein: the joint of the top opening of the collecting box (5) and the bottom of the cabinet body (1) is coated with sealant.
7. The fume hood with fire-proof function for the laboratory according to claim 1, wherein: first extinguishing device and second extinguishing device below equal fixedly connected with supporting seat (6), supporting seat (6) are L shape structure setting, and supporting seat (6) buckle inboard fixedly connected with floor (601), and floor (601) equidistance is provided with a plurality ofly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222924738.XU CN218486821U (en) | 2022-11-03 | 2022-11-03 | Fume chamber that has fire prevention function of using in laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222924738.XU CN218486821U (en) | 2022-11-03 | 2022-11-03 | Fume chamber that has fire prevention function of using in laboratory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218486821U true CN218486821U (en) | 2023-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222924738.XU Active CN218486821U (en) | 2022-11-03 | 2022-11-03 | Fume chamber that has fire prevention function of using in laboratory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218486821U (en) |
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2022
- 2022-11-03 CN CN202222924738.XU patent/CN218486821U/en active Active
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