CN210304972U

CN210304972U - High-efficient air-purifying type fume chamber

Info

Publication number: CN210304972U
Application number: CN201920622497.9U
Authority: CN
Inventors: 梅群欢
Original assignee: Shenzhen Chuangmei Industrial Co ltd
Current assignee: Shenzhen Chuangmei Industrial Co ltd
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2020-04-14
Anticipated expiration: 2029-04-30

Abstract

The utility model discloses a high-efficient net gas type fume chamber, include: the cabinet body and clean system, the cabinet body includes: air intake, side cavity, air outlet, cavity, operation room, locate the vent of operation room rear side, the operation room through the vent with the cavity is linked together down, clean system locates down the cavity reaches in the side cavity, clean system includes: the air conditioner comprises a spraying device arranged in the lower cavity, a dehumidifying device arranged in the side cavity and positioned above the spraying device, a filtering device arranged above the dehumidifying device, and a fan arranged above the filtering device and arranged at the air outlet. The utility model discloses an interior spray set that sets up of fume chamber can effectively get rid of harmful gas, and spray set sets up in the fume chamber below, is convenient for install and maintain; the liquid storage tank and the waste liquid recovery tank can be taken out, so that the replacement and the maintenance are convenient; the filtering device can further adsorb harmful gas and improve the purification efficiency.

Description

High-efficient air-purifying type fume chamber

Technical Field

The utility model relates to an experimental facilities technical field especially relates to a high-efficient net gas type fume hood.

Background

The design of the laboratory ventilation system mainly aims at providing a safe and comfortable working environment, reducing the possibility of exposing personnel to dangerous air, and mainly solves the problems of physical health and labor protection of the working environment to laboratory personnel. Fume hoods play an important role in laboratory ventilation systems.

The prior fume hood uses a small number of fume hoods and is only used in experiments of particularly harmful and dangerous gases and generating a large amount of heat. The fume hood is only used as an auxiliary function of the experiment table. In recent years, in view of improvement of experimental environment, experiments performed on a laboratory bench are gradually shifted to a fume hood, which requires that harmful gases generated in the experiments are exhausted to protect the health of experimenters in the greatest purpose of using the fume hood. Many fume hoods have self-purification gaseous corresponding device at present, can realize carrying out preliminary treatment's purpose to poisonous and harmful gas, cause the gas of discharging into in the air can not cause the harm to the human body. At present, most of self-cleaning type fume hoods adopt spraying equipment, but most of the spraying equipment is arranged at the top of the fume hood, and the structural design causes great difficulty in installation and maintenance; the container for containing the spraying liquid can not be replaced; and the fume chamber top sets up spray set, if there is the liquid seepage, very easily damages the fume chamber, shortens the practical life of fume chamber, and causes the security threat to the laboratory staff of below.

Accordingly, the prior art is deficient and needs improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of prior art, provide a high-efficient net gas type fume chamber.

The technical scheme of the utility model as follows: the utility model provides a high-efficient net gas type fume chamber, include: the cabinet body, and clean system. The cabinet body includes: the air inlet is arranged on the upper portion of the cabinet body, the side cavity is arranged on one side of the cabinet body, the air outlet is arranged at the top of the side cavity, the lower cavity is arranged on the lower portion of the cabinet body and communicated with the side cavity, the operating room is arranged in the middle of the cabinet body and communicated with the lower cavity, and the ventilation opening is arranged on the rear side of the operating room. The operation room is communicated with the lower cavity through the ventilation opening. The clean system locate down the cavity reaches in the side cavity, clean system includes: the air conditioner comprises a spraying device arranged in the lower cavity, a dehumidifying device arranged in the side cavity and positioned above the spraying device, a filtering device arranged above the dehumidifying device, and a fan arranged above the filtering device and arranged at the air outlet.

Furthermore, a plurality of air holes are formed in the rear side of the table board of the operating room, a sliding door is arranged on the front side of the operating room, the sliding door is a transparent glass sliding door, and the space between the sliding door and the table board of the operating room is provided with another air inlet.

Further, filter equipment includes by lower to upper fibrous layer that stacks gradually and active carbon layer group, active carbon layer group includes that at least two-layer has the active carbon layer of different porosities, wherein at least two-layer the porosity of active carbon layer from the bottom up decreases progressively in proper order.

Further, the spray device includes: the spraying device comprises a liquid storage tank, a liquid pump, a pipeline, a spraying head and a waste liquid recovery tank, wherein the spraying head is communicated with the liquid storage tank through the pipeline, the liquid pump is arranged at one end, close to the liquid storage tank, of the pipeline, and the waste liquid recovery tank is arranged below the spraying head.

Further, the cavity divide into stock solution room and spray room down, the stock solution room with be equipped with a baffle between the spray room, the baffle below is equipped with a through-hole, reservoir and fluid pump are located in the stock solution room, shower head and waste liquid recovery groove are located in the spray room, the pipeline passes the through-hole will the reservoir with the shower head intercommunication, the vent is located and is close to this one side of spray room.

Furthermore, the inner side wall of the spray chamber is provided with an anti-corrosion isolation layer.

Furthermore, the spray header is a cross-shaped spray header.

Furthermore, the top of the liquid storage tank is provided with a liquid inlet, and the side wall of the lower part of the waste liquid recovery tank is provided with a liquid outlet.

Further, the reservoir and the effluent collection tank can both be removed from the lower cavity.

Further, the fan is a high-pressure fan.

By adopting the scheme, the spraying device is arranged in the ventilation cabinet, so that harmful gas can be effectively removed, and the spraying device is arranged below the ventilation cabinet, so that the ventilation cabinet is convenient to install and maintain; the liquid storage tank and the waste liquid recovery tank can be taken out, so that liquid can be conveniently put in and waste liquid can be conveniently poured out, and the liquid storage tank and the waste liquid recovery tank can be conveniently replaced; the side wall of the spray chamber is provided with the anti-corrosion isolation layer, so that waste liquid can be prevented from corroding the cabinet body of the ventilation cabinet; the cross-shaped spray head can spray the spray liquid in the largest area, so that the contact area with the harmful gas is increased; the activated carbon layers with different porosities can further adsorb harmful gases.

Drawings

Fig. 1 is a schematic perspective view of the high-efficiency air-purifying type fume chamber of the present invention;

FIG. 2 is a schematic diagram of the operation of the high-efficiency air-purifying type fume hood of the present invention;

fig. 3 is a schematic structural view of the spray header in the high-efficiency air-purifying type fume chamber of the present invention.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 and 2, the present invention provides a high-efficiency air-purifying ventilation cabinet, which includes: a cabinet 100, and a decontamination system. The cabinet 100 includes: locate cabinet body upper portion's first air intake 1, locate the side cavity 2 of cabinet body one side, locate the air outlet 3 at side cavity 2 top, locate cabinet body lower part and with the communicating lower cavity 4 of side cavity 2, locate cabinet body middle part and with the communicating operation room 5 of cavity 4 down, and locate the vent 6 of 5 rear sides in operation room. The operation room 5 is communicated with the lower cavity 4 through the ventilation opening 6. The purification system is arranged in the lower cavity 4 and the side cavity 2, a plurality of air holes 51 are formed in the rear side of the table board of the operation room 5, a sliding door 52 is arranged on the front side of the operation room 5, the sliding door 52 is a transparent glass sliding door, and a second air inlet 11 is formed in the space between the sliding door 52 and the table board of the operation room 5. Through fan 10's convulsions effect, with the outside air by first air intake 1 inhales with second air intake 11 in the operation room 5, mix harmful gas in the operation room 5 passes through jointly the clean system finally passes through 3 exhaust fume hoods at the air outlet form one set of complete ventilation clean system.

Referring to fig. 2 and 3, the purification system includes: the air conditioner comprises a spraying device 7 arranged in the lower cavity 4, a dehumidifying device 8 arranged in the side cavity 2 and positioned above the spraying device 7, a filtering device 9 arranged above the dehumidifying device 8, and a fan 10 arranged above the filtering device 9 and arranged at the air outlet 3. Start fan 10, the harmful gas in the operation room 5 passes through vent 6 inhales in the cavity 4 down, harmful gas passes through spray set 7 gets rid of most harmful substance and reduces gaseous temperature simultaneously, through spraying filterable gaseous process moisture in the dehydrating unit 8 gets rid of gas, passes through filter equipment 9 further carries out the multilayer absorption to the harmful substance in the gas, can effectively get rid of the harmful gas that produces in the experimentation, reaches air-purifying, reduces the purpose of temperature in the fume chamber. The shower device 7 includes: the device comprises a liquid storage tank 71, a liquid pump 72, a pipeline 73, a spray head 74 and a waste liquid recovery tank 75, wherein the spray head 74 is communicated with the liquid storage tank 71 through the pipeline 73, the liquid pump 72 is arranged at one end of the pipeline 73 close to the liquid storage tank 71, and the waste liquid recovery tank 75 is arranged below the spray head 74. Specifically, in the present embodiment, the showerhead 74 is a cross-shaped showerhead, which can increase the contact area between the liquid and the harmful gas, and improve the purification efficiency. The top of the liquid storage tank 71 is provided with a liquid inlet 76, and spraying liquid can be filled into the liquid storage tank 71 from the liquid inlet 76. A liquid outlet is arranged on the side wall of the lower part of the waste liquid recovery tank 75, the liquid outlet is communicated with an external waste liquid recovery device, and a switch is arranged at the liquid outlet, so that waste liquid in the waste liquid recovery tank 75 can be discharged at any time or at regular intervals. The cavity 4 divide into stock solution room 41 and spray room 42 down, stock solution room 41 with be equipped with a baffle 43 between the spray room 42, baffle 43 below is equipped with a through-hole 44, reservoir 71 and liquid pump 72 locate in the stock solution room 41, shower head 74 and effluent recovery tank 75 locate in the spray room 42, pipeline 73 passes through-hole 44 will reservoir 71 with shower head 74 communicates, the inside wall of spray room 42 is equipped with anticorrosive isolation layer 45, vent 6 locates and is close to this side of spray room 42. Will cavity 4 separates into down liquid reserve tank 41 and spray chamber 42, liquid drops when preventing to spray liquid reserve tank 41 reduces the corrosion of liquid seepage to the fume chamber, and spray chamber 42's inner wall all is equipped with simultaneously anticorrosive isolation layer 45 can prevent that liquid from causing the damage to the fume chamber to the life of extension fume chamber. The liquid storage tank 71 and the waste liquid recovery tank 75 can be taken out of the lower cavity 4, so that the spraying liquid can be conveniently filled in and the waste liquid can be conveniently poured out, the liquid storage tank 71 and the waste liquid recovery tank 75 can be conveniently replaced, meanwhile, the lower cavity 4 can be conveniently maintained regularly, and the service life of the ventilation cabinet is prolonged. Spray set 7 passes through liquid pump 72 is pressed the liquid to shower head 75 department, and then follows shower head 75 sprays out, specifically, the utility model discloses a can realize among the prior art above-mentioned function the pump can. The liquid sprayed by the spraying device 7 can be cooling water or other liquid capable of dissolving harmful gas, and is specifically arranged according to experimental requirements. The filtering device 9 comprises a fiber layer 91 and an activated carbon layer group 92 which are sequentially stacked from bottom to top, wherein the activated carbon layer group 92 comprises at least two activated carbon layers with different porosities, and the porosities of the activated carbon layers from bottom to top are sequentially decreased progressively. The fibrous layer 91 can further filter large-particle harmful components in the circulating gas, and the activated carbon layers with different porosities can adsorb harmful substances with different particle sizes, so that the purification efficiency is higher. Fan 10 is high pressure positive blower, can form sufficient negative pressure, makes gas circulation get up and forms the efficient circulation system, specifically, fan 10 can control the intensity of convulsions to control the air current size.

In summary, the spraying device is arranged in the ventilation cabinet of the utility model, harmful gas can be effectively removed, and the spraying device is arranged below the ventilation cabinet, which is convenient for installation and maintenance; the liquid storage tank and the waste liquid recovery tank can be taken out, so that liquid can be conveniently put in and waste liquid can be conveniently poured out, and the liquid storage tank and the waste liquid recovery tank can be conveniently replaced; the side wall of the spray chamber is provided with the anti-corrosion isolation layer, so that waste liquid can be prevented from corroding the cabinet body of the ventilation cabinet; the cross-shaped spray head can spray the spray liquid in the largest area, so that the contact area with the harmful gas is increased; the activated carbon layers with different porosities can further adsorb harmful gases.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. An efficient air-purifying type fume hood, comprising: the cabinet body and clean system, the cabinet body includes: locate cabinet body upper portion air intake, locate the side cavity of cabinet body one side, locate the air outlet at side cavity top, locate cabinet body lower part and with the communicating lower cavity of side cavity, locate cabinet body middle part and with the communicating operation room of cavity, locate down the vent of operation room rear side, the operation room passes through the vent with the cavity is linked together down, clean system locates down the cavity reaches in the side cavity, clean system includes: the air conditioner comprises a spraying device arranged in the lower cavity, a dehumidifying device arranged in the side cavity and positioned above the spraying device, a filtering device arranged above the dehumidifying device, and a fan arranged above the filtering device and arranged at the air outlet.

2. The efficient air-purifying ventilation cabinet according to claim 1, wherein a plurality of air holes are arranged on the rear side of the table top of the operating room, a sliding door is arranged on the front side of the operating room, the sliding door is a transparent glass sliding door, and another air inlet is arranged in a space between the sliding door and the table top of the operating room.

3. The high efficiency air purification type ventilation cabinet according to claim 1, wherein the filtering device comprises a fiber layer and an activated carbon layer group which are sequentially stacked from bottom to top, the activated carbon layer group comprises at least two activated carbon layers with different porosities, and the porosities of the at least two activated carbon layers are sequentially decreased from bottom to top.

4. The high efficiency clean air fumehood of claim 1 wherein said spray means comprises: the spraying device comprises a liquid storage tank, a liquid pump, a pipeline, a spraying head and a waste liquid recovery tank, wherein the spraying head is communicated with the liquid storage tank through the pipeline, the liquid pump is arranged at one end, close to the liquid storage tank, of the pipeline, and the waste liquid recovery tank is arranged below the spraying head.

5. The high efficiency air purification type ventilation cabinet according to claim 4, wherein the lower cavity is divided into a liquid storage chamber and a spray chamber, a partition plate is arranged between the liquid storage chamber and the spray chamber, a through hole is arranged below the partition plate, the liquid storage tank and the liquid pump are arranged in the liquid storage chamber, the spray header and the waste liquid recovery tank are arranged in the spray chamber, the pipeline passes through the through hole to communicate the liquid storage tank with the spray header, and the ventilation opening is arranged at a side close to the spray chamber.

6. The high efficiency air purification type fume hood according to claim 5, wherein the inner side wall of said spray chamber is provided with an anti-corrosion isolation layer.

7. The high efficiency air-purifying type fumehood of claim 4 wherein said spray header is a cross-shaped spray header.

8. The ventilated hood of claim 4 in which the liquid reservoir has a liquid inlet at the top and a liquid outlet at the lower side of the liquid-waste recovery tank.

9. The ventilated high efficiency air-purifying hood of claim 4 wherein the reservoir and the effluent collection tank are removable from the lower cavity.

10. The efficient air-purifying fumehood of claim 1 wherein said fan is a high pressure fan.