CN215610491U

CN215610491U - Exhaust gas purification device on ventilation cabinet for air exhaust and supply

Info

Publication number: CN215610491U
Application number: CN202120168694.5U
Authority: CN
Inventors: 吴琴; 李华
Original assignee: Taixing Hualong Chemical Experiment Equipment Co ltd
Current assignee: Taixing Hualong Chemical Experiment Equipment Co ltd
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2022-01-25
Anticipated expiration: 2031-01-21

Abstract

The utility model discloses a waste gas purification device on an exhaust and air supply ventilation cabinet, and particularly relates to the technical field of ventilation cabinets, which comprises a cabinet body, wherein a purification mechanism is arranged at the top of the cabinet body, the purification mechanism comprises a first purification chamber, a flow distribution pipe and purification liquid are respectively arranged in the first purification chamber, a heating sheet is arranged at the bottom of an inner cavity of the first purification chamber, a plurality of spray heads are arranged at the bottom of the flow distribution pipe, a circulating pump is arranged at the top of the first purification chamber, a first circulating pipe is fixedly connected to one side of the circulating pump, one end of the first circulating pipe penetrates through the first purification chamber and is connected with the flow distribution pipe, a second circulating pipe is fixedly connected to the other side of the circulating pump, and one end of the second circulating pipe is fixedly connected with the bottom of the first purification chamber. By arranging the purification mechanism, the utility model effectively avoids the waste gas in the laboratory from polluting air and environment and avoids the harm to human body.

Description

Exhaust gas purification device on ventilation cabinet for air exhaust and supply

Technical Field

The utility model relates to the technical field of fume hoods, in particular to a waste gas purification device on an exhaust air supply fume hood.

Background

The most important harmful gas that produces in the function of fume chamber is the discharge experiment, protection experimenter's health, in the laboratory, produces various harmful gas, foul smell, moisture and easily fires, explosive, corrosive substance during experimental operation, in order to protect user's safety, prevents that the pollutant in the experiment from to the laboratory diffusion.

However, when the experiment is carried out in a laboratory, some poisonous and harmful gases are often generated, and if the gases are not treated, not only the surrounding environment is polluted, but also the human body is damaged, so that the waste gas purification device on the exhaust air supply ventilation cabinet is provided to solve the problems in the background technology.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a waste gas purification device on an exhaust air supply ventilation cabinet aiming at the defects of the prior art, and the purification device effectively avoids the laboratory waste gas from polluting air and environment and from hurting a human body by arranging a purification mechanism so as to solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a waste gas purification device on an exhaust air supply fume hood comprises a hood body, wherein a purification mechanism is arranged at the top of the hood body;

the purification mechanism comprises a first purification chamber, the inside of the first purification chamber is respectively provided with a shunt pipe and a purification liquid, the bottom of the inner cavity of the first purification chamber is provided with a heating plate, the bottom of the shunt pipe is provided with a plurality of spray heads, the top of the first purification chamber is provided with a circulating pump, one side of the circulating pump is fixedly connected with a first circulating pipe, one end of the first circulating pipe penetrates through the first purification chamber and is connected with the shunt pipe, the other side of the circulating pump is fixedly connected with a second circulating pipe, one end of the second circulating pipe is fixedly connected with the bottom of the first purification chamber, the other side of the first purification chamber is provided with a second purification chamber, one side of the second purification chamber is fixedly connected with the first purification chamber, the inside of the second purification chamber is provided with a centrifugal exhaust fan, the top of the centrifugal exhaust fan is provided with a second exhaust pipe, one end of the second exhaust pipe penetrates through the second purification chamber and extends to the outside of the second purification chamber, centrifugal exhaust fan one side is provided with a plurality of compound filter screens, the internal portion of cabinet is provided with the air exit, first clean room opposite side is provided with first blast pipe, first blast pipe one end and first clean room fixed connection, the first blast pipe other end run through the cabinet body and with air exit fixed connection.

In a preferred embodiment, the top and the bottom of the composite filter screen are both fixedly connected with a sliding block, one side of the second purification chamber facing the sliding block is provided with a sliding rail, and the composite filter screen is slidably connected with the sliding rail through the sliding block.

In a preferred embodiment, a first partition plate is arranged inside the cabinet body, a second partition plate is arranged at the bottom of the first partition plate, and a working cavity and two instrument placing cavities are formed inside the cabinet body through the first partition plate and the second partition plate.

In a preferred embodiment, an electric lifting baffle is arranged on one side of the working chamber, and a door is hinged on one side of each of the two instrument placing chambers.

In a preferred embodiment, a plurality of first support legs are arranged at the bottom of the first clean room, the tops of the plurality of first support legs are fixedly connected with the bottom of the first clean room, and the bottoms of the first support legs are fixedly connected with the top of the cabinet body.

In a preferred embodiment, a plurality of second supporting legs are arranged at the bottom of the second clean room, the tops of the plurality of second supporting legs are fixedly connected with the bottom of the second clean room, and the bottom of each second supporting leg is fixedly connected with the top of the cabinet body.

In a preferred embodiment, the bottom of the cabinet body is provided with a plurality of supporting cushion blocks, and the supporting top is fixedly connected with the bottom of the cabinet body.

In a preferred embodiment, an air purifier is arranged at the top of the cabinet body, and the bottom of the air purifier is fixedly connected with the top of the cabinet body.

In a preferred embodiment, an air inlet pipe is arranged on one side of the cabinet body, and one end of the air inlet pipe penetrates through the cabinet body and extends to the interior of the cabinet body.

In a preferred embodiment, a plurality of air inlet holes are formed in one side of the cabinet, and air passing holes are formed in the opposite side of the first purifying chamber and the second purifying chamber.

The utility model has the technical effects and advantages that:

1. through the arrangement of the purification mechanism, the purification liquid is shunted through the shunt pipe, the purification liquid in the first purification chamber is sprayed out from the spray head to purify waste gas, the purification liquid can be heated by the heating sheet, so that the reaction speed of the purification liquid and the waste gas is improved, the purification effect is improved, then the waste gas filters and adsorbs impurities in the waste gas through a plurality of composite filter screens, and finally the purified waste gas is discharged through the second exhaust pipe through the centrifugal exhaust fan, so that the waste gas in a laboratory is effectively prevented from causing polluted air and environment, and the harm to a human body is also avoided;

2. through setting up slider, spout, air-supply line and air purifier, use through slider and spout mutually supporting, reduced composite filter's the dismouting degree of difficulty to improve the convenience and reduced follow-up washing degree of difficulty to composite filter, and air-supply line and air purifier can send external fresh air into the laboratory, thereby have guaranteed the freshness of laboratory inside air.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural diagram of the purification mechanism of the present invention.

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention.

Fig. 4 is a schematic front view of the cabinet of the present invention.

The reference signs are: 1. a cabinet body; 2. a first purification chamber; 3. a shunt tube; 4. a heating plate; 5. a spray head; 6. a circulation pump; 7. a first circulation pipe; 8. a second circulation pipe; 9. a second clean room; 10. a centrifugal exhaust fan; 11. a second exhaust duct; 12. compounding a filter screen; 13. a first exhaust duct; 14. an air outlet; 15. a slider; 16. a slide rail; 17. a first separator; 18. a second separator; 19. a working chamber; 20. an instrument placement chamber; 21. an electric lifting baffle; 22. a box door; 23. a first support leg; 24. a second support leg; 25. supporting the cushion block; 26. an air purifier; 27. an air inlet pipe; 101. a purification mechanism.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The waste gas purification device on the exhaust air supply ventilation cabinet shown in the attached figures 1-4 comprises a cabinet body 1, wherein the top of the cabinet body 1 is provided with a purification mechanism 101;

the purification mechanism 101 comprises a first purification chamber 2, a shunt pipe 3 and a purification liquid are respectively arranged in the first purification chamber 2, a heating plate 4 is arranged at the bottom of an inner cavity of the first purification chamber 2, a plurality of spray heads 5 are arranged at the bottom of the shunt pipe 3, a circulating pump 6 is arranged at the top of the first purification chamber 2, a first circulating pipe 7 is fixedly connected to one side of the circulating pump 6, one end of the first circulating pipe 7 penetrates through the first purification chamber 2 and is connected with the shunt pipe 3, a second circulating pipe 8 is fixedly connected to the other side of the circulating pump 6, one end of the second circulating pipe 8 is fixedly connected with the bottom of the first purification chamber 2, a second purification chamber 9 is arranged at the other side of the first purification chamber 2, one side of the second purification chamber 9 is fixedly connected with the first purification chamber 2, a centrifugal exhaust fan 10 is arranged in the second purification chamber 9, a second exhaust pipe 11 is arranged at the top of the centrifugal exhaust fan 10, one end of the second exhaust pipe 11 penetrates through the second purification chamber 9 and extends to the outer side of the second purification chamber 9, centrifugal exhaust fan 10 one side is provided with a plurality of compound filter screens 12, and cabinet body 1 is inside to be provided with

air exit

14, and 2 opposite sides in first clean room are provided with first exhaust column 13, first exhaust column 13 one end and 2 fixed connection in first clean room, the first exhaust column 13 other end run through cabinet body 1 and with air exit 14 fixed connection.

As shown in fig. 3, the top and the bottom of the composite filter screen 12 are fixedly connected with the sliding block 15, the second purification chamber 9 is provided with a sliding rail 16 facing one side of the sliding block 15, the composite filter screen 12 is slidably connected with the sliding rail 16 through the sliding block 15, and the sliding block 15 and the sliding groove are matched with each other for use, so that the difficulty in assembling and disassembling the composite filter screen 12 is reduced, the convenience is improved, and the subsequent difficulty in cleaning the composite filter screen 12 is reduced.

As shown in the attached drawing 1, a first partition 17 is arranged inside the cabinet body 1, a second partition 18 is arranged at the bottom of the first partition 17, a working chamber 19 and two instrument placing chambers 20 are formed inside the cabinet body 1 through the first partition 17 and the second partition 18, tests can be performed through the working chamber 19, and the two instrument placing chambers 20 can place some test instruments therein, so that the practicability is improved.

As shown in fig. 4, an electric lifting baffle 21 is disposed on one side of the working chamber 19, and a door 22 is hinged on one side of each of the two instrument placing chambers 20, so that when an experiment is performed in the working chamber 19, the electric lifting baffle 21 can block the experiment, and the waste gas in the working chamber 19 is prevented from escaping out of the working chamber 19.

As shown in the attached drawing 2, a plurality of first supporting legs 23 are arranged at the bottom of the first purifying chamber 2, the tops of the first supporting legs 23 are fixedly connected with the bottom of the first purifying chamber 2, the bottom of the first supporting legs 23 are fixedly connected with the top of the cabinet body 1, and supporting force can be provided for the first purifying chamber 2 through the first supporting legs 23.

As shown in the attached figure 2, a plurality of second supporting legs 24 are arranged at the bottom of the second purifying chamber 9, the tops of the second supporting legs 24 are fixedly connected with the bottom of the second purifying chamber 9, the bottom of the second supporting legs 24 is fixedly connected with the top of the cabinet body 1, and supporting force can be provided for the second purifying chamber 9 through the second supporting legs 24.

As shown in the attached drawing 1, the bottom of the cabinet body 1 is provided with a plurality of supporting cushion blocks 25, the top of the plurality of supporting cushion blocks are fixedly connected with the bottom of the cabinet body 1, the cabinet body 1 can be supported through the supporting cushion blocks 25, and the cabinet body 1 is prevented from being corroded by water vapor on the ground.

As shown in the attached drawing 1, the top of the cabinet body 1 is provided with an air purifier 26, the bottom of the air purifier 26 is fixedly connected with the top of the cabinet body 1, and the air in the outside can be purified through the air purifier 26.

As shown in the attached drawing 1, one side of the cabinet body 1 is provided with an air inlet pipe 27, one end of the air inlet pipe 27 penetrates through the cabinet body 1 and extends into the cabinet body 1, and external fresh air can be sent into the cabinet body 1 through the air inlet pipe 27, so that the freshness of the air inside the laboratory is ensured.

As shown in the attached drawings 1-2, a plurality of air inlet holes are formed in one side of the cabinet body 1, air passing holes are formed in one side of the first purifying chamber 2 opposite to the second purifying chamber 9, and waste gas circulation of the first purifying chamber 2 and the second purifying chamber 9 is achieved through the air passing holes.

The working principle of the utility model is as follows: in practical use, when a test is carried out in the working chamber 19, the electric lifting baffle 21 is lowered to improve protection for a user, the centrifugal exhaust fan 10 is started, the centrifugal exhaust fan 10 generates suction, then exhaust gas generated in the test is sucked into the first exhaust pipe 13 through the exhaust port 14, then the exhaust gas is sent into the first purifying chamber 2 through the first exhaust pipe 13, at the moment, the circulating pump 6 is started, the purifying liquid in the first purifying chamber is sent into the flow dividing pipe 3 through the first circulating pipe 7 and the second circulating pipe 8 by the circulating pump 6, the flow dividing pipe 3 divides the purifying liquid, then the exhaust gas is sprayed out from the spray head 5 to purify the exhaust gas in the first purifying chamber 2, the heating sheet 4 at the bottom of the inner cavity of the first purifying chamber 2 can heat the purifying liquid, so that the reaction speed of the purifying liquid and the exhaust gas is improved, the purifying effect is improved, and the purified exhaust gas enters the second purifying chamber 9 from the air passing hole, impurities in the exhaust gas are filtered and adsorbed by a plurality of composite filter screens 12, and finally, the purified exhaust gas is discharged out through a second exhaust pipe 11 by a centrifugal exhaust fan 10.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," "connecting," and "connecting" should be interpreted broadly, and may be mechanical or electrical, or communication between two elements, and may be directly connected, where "up," "down," "left," "right," and the like are merely used to indicate relative positional relationships, and when the absolute position of the object being described changes, the relative positional relationships may change;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the utility model, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the utility model can be combined with each other without conflict;

and finally: the present invention is not limited to the above preferred embodiments, but rather, any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a waste gas purification device on ventilation cabinet of airing exhaust, includes the cabinet body (1), its characterized in that: the top of the cabinet body (1) is provided with a purification mechanism (101);

purifying mechanism (101) includes first clean room (2), first clean room (2) inside shunt tubes (3) and the purifying liquid of being provided with respectively, first clean room (2) inner chamber bottom is provided with heating plate (4), shunt tubes (3) bottom is provided with a plurality of shower nozzles (5), first clean room (2) top is provided with circulating pump (6), circulating pump (6) one side fixedly connected with first circulating pipe (7), first circulating pipe (7) one end runs through first clean room (2) and is connected with shunt tubes (3), circulating pump (6) opposite side fixedly connected with second circulating pipe (8), second circulating pipe (8) one end and first clean room (2) bottom fixed connection, first clean room (2) opposite side is provided with second clean room (9), second clean room (9) one side and first clean room (2) fixed connection, the utility model discloses a cabinet, including second clean room (9), centrifugal exhaust fan (10) top is provided with second exhaust pipe (11), second exhaust pipe (11) one end runs through second clean room (9) and extends to second clean room (9) outside, centrifugal exhaust fan (10) one side is provided with a plurality of composite filter screen (12), the cabinet body (1) inside is provided with air exit (14), first clean room (2) opposite side is provided with first exhaust pipe (13), first exhaust pipe (13) one end and first clean room (2) fixed connection, first exhaust pipe (13) other end run through the cabinet body (1) and with air exit (14) fixed connection.

2. The exhaust purification device of claim 1, further comprising: the top and the bottom of the composite filter screen (12) are fixedly connected with sliding blocks (15), sliding rails (16) are arranged on one side, facing the sliding blocks (15), of the second purification chamber (9), and the composite filter screen (12) is connected with the sliding rails (16) in a sliding mode through the sliding blocks (15).

3. The exhaust purification device of claim 1, further comprising: the cabinet body (1) is inside to be provided with first baffle (17), first baffle (17) bottom is provided with second baffle (18), cabinet body (1) is inside to be formed with working chamber (19) and two instrument through first baffle (17) and second baffle (18) and places chamber (20).

4. The exhaust purification device of claim 3, wherein the exhaust purification device comprises: and an electric lifting baffle (21) is arranged on one side of the working cavity (19), and a box door (22) is hinged to one side of the instrument placing cavity (20).

5. The exhaust purification device of claim 1, further comprising: first clean room (2) bottom is provided with a plurality of first support leg (23), and is a plurality of first support leg (23) top all with first clean room (2) bottom fixed connection, first support leg (23) bottom all with cabinet body (1) top fixed connection.

6. The exhaust purification device of claim 1, further comprising: second clean room (9) bottom is provided with a plurality of second supporting legs (24), and is a plurality of second supporting leg (24) top all with second clean room (9) bottom fixed connection, second supporting leg (24) bottom all with cabinet body (1) top fixed connection.

7. The exhaust purification device of claim 1, further comprising: the bottom of the cabinet body (1) is provided with a plurality of supporting cushion blocks (25), and the tops of the supporting cushion blocks (25) are fixedly connected with the bottom of the cabinet body (1).

8. The exhaust purification device of claim 1, further comprising: the cabinet body (1) top is provided with air purifier (26), air purifier (26) bottom and cabinet body (1) top fixed connection.

9. The exhaust purification device of claim 2, further comprising: the cabinet body (1) one side sets up air-supply line (27), air-supply line (27) one end runs through the cabinet body (1) and extends to the cabinet body (1) inside.

10. The exhaust purification device of claim 1, further comprising: a plurality of air inlets are formed in one side of the cabinet body (1), and air passing holes are formed in one side, opposite to the second purifying chamber (9), of the first purifying chamber (2).