CN219111206U

CN219111206U - Exhaust device for chemistry experiment room

Info

Publication number: CN219111206U
Application number: CN202223210243.7U
Authority: CN
Inventors: 郑敏彰
Original assignee: Guangdong Xintaimo Cleaning Technology Co ltd
Current assignee: Guangdong Xintaimo Cleaning Technology Co ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-06-02
Anticipated expiration: 2032-12-01

Abstract

The utility model relates to the technical field of chemical experiments, and discloses an exhaust device for a chemical laboratory, which comprises a laboratory body, wherein a filter box is fixedly arranged on the upper surface of the laboratory body, a diatomite filter plate, a molecular sieving filter screen and a particle activated carbon absorbing net are respectively and slidably connected in the filter box, a first air suction pipe is fixedly communicated with the front surface of the filter box, the bottom end of the first air suction pipe penetrates through the laboratory body and is fixedly communicated with an air suction cover, an air suction box is fixedly arranged on the inner bottom wall of the laboratory body, and a second air suction pipe is fixedly communicated with the right side surface of the filter box; according to the utility model, the diatomite filter is used for adsorbing gases such as hydrogen sulfide, sulfur dioxide, mercury vapor and the like, the molecular sieve filter screen is used for completely adsorbing nitrogen oxides, chlorides and amine compounds in toxic gases, and finally, the particulate active carbon absorption net is used for completely adsorbing some residual particulates of the gases, so that the toxic gases with density higher than that of air can be treated.

Description

Exhaust device for chemistry experiment room

Technical Field

The utility model relates to the technical field of chemical experiments, in particular to an exhaust device for a chemical laboratory.

Background

Chemistry is a natural discipline based on experiments, however, chemical drugs often produce toxic, toxic gas or dust particle pollution during the reaction process, which is harmful to the physical health of the experimenters.

The utility model of the prior authorized publication number CN110223941B discloses an automatic air exhaust device, which comprises: an exhaust duct and a first regulating module; wherein the first adjustment module comprises: the device comprises a rotary cylinder, a cylinder mounting frame, a first baffle and a first rotating shaft; install first pivot in the exhaust duct, and the top of first pivot is connected with the revolving cylinder of installing outside exhaust duct, and the cylinder mounting bracket is installed on exhaust duct for fixed revolving cylinder is fixed with first separation blade in first pivot, rotates the rotation that drives first pivot and first separation blade through revolving cylinder's ventilation, in order to control the switching action of airing exhaust.

By adopting the technical scheme, the ventilation and rotation of the rotary cylinder drive the first rotating shaft and the first baffle plate to rotate, so that the switching action of exhaust can be controlled, and the technical effect that the exhaust device automatically exhausts is realized.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the exhaust device for the chemical laboratory, which has the advantages of ventilation, purification treatment of toxic gas, treatment of toxic gas with density higher than that of air and protection of physical health of experimenters.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an exhaust device is used in chemistry experiment room, laboratory body, the last fixed surface of laboratory body installs the rose box, the inside of rose box is sliding connection respectively has diatomaceous earth filter, molecular sieve filter screen and particle active carbon absorption net, the positive fixed intercommunication of rose box has first breathing pipe, the bottom of first breathing pipe runs through the laboratory body and fixed intercommunication has the cover of breathing in, the interior bottom wall fixed mounting of laboratory body has the suction box, the right flank fixed intercommunication of rose box has the second breathing pipe, the bottom of second breathing pipe runs through the inside of laboratory body and suction box and extension to the suction box in proper order, the last fixed surface of laboratory body installs the aspiration pump, the input of aspiration pump runs through the rose box and extends to the inside of rose box.

Preferably, the inner side wall of the laboratory body is fixedly provided with a fixing frame, and the bottom surface of the fixing frame is fixedly connected with the upper surface of the suction box.

Preferably, a top plate is fixedly arranged on the left side surface of the fixing frame, and rectangular holes which are arranged at equal intervals are formed in the bottom surface of the top plate.

Preferably, the upper surface of roof fixed mounting has the baffle, the upper surface of baffle and the interior roof fixed connection of laboratory body.

Preferably, a first switch door is movably hinged to the left side face of the filter box, and a first handle is fixedly arranged on the left side face of the first switch door.

Preferably, a sealing ring is fixedly arranged on the outer surface of the second air suction pipe, and the left side surface of the sealing ring is fixedly connected with the right side surface of the filter box.

Preferably, four fixing bolts are arranged above the laboratory body, the bottom ends of the fixing bolts penetrate through the air suction pump and extend to the inside of the laboratory body, and the fixing bolts are connected with the laboratory body in a threaded mode.

Preferably, the front face of the laboratory body is movably hinged with a second switch door, and the front face of the second switch door is fixedly provided with a second handle.

(III) beneficial effects

Compared with the prior art, the utility model provides the exhaust device for the chemical laboratory, which has the following beneficial effects: this exhaust device for chemistry experiment room can outwards take out the toxic gas in the rose box through the suction that is provided with the aspiration pump to take out the toxic gas in the laboratory body, and pass through the direction of suction hood and first breathing pipe, directly the biography rose box is inside, can absorb the toxic gas that the density is greater than air through being provided with the suction box, and directly inhale the rose box with the toxic gas that the density is greater than air through the direction of second breathing pipe, the toxic gas is earlier through the diatomaceous earth filter with hydrogen sulfide, sulfur dioxide and gas such as mercury vapor adsorb, nitrogen oxide in the toxic gas is adsorbed completely to the rethread molecular sieve filter screen, chloride and amide, at last through the absorption of some particles of particulate active carbon absorption net with gas residue completely, thereby can handle the toxic gas that the density is greater than air, reach the healthy effect of protection experimenter.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of an exhaust device of the present utility model;

FIG. 2 is a schematic view of the laboratory body of the present utility model in a three-dimensional configuration;

FIG. 3 is a schematic view showing the structure of the suction hood of the present utility model in a bottom perspective;

fig. 4 is a right-side perspective structure schematic diagram of the filter box of the utility model.

In the figure: 1. a laboratory body; 2. a filter box; 3. a diatomite filter plate; 4. molecular sieving filter screen; 5. a particulate activated carbon absorbing net; 6. a first air suction pipe; 7. an air suction cover; 8. a suction box; 9. a second air suction pipe; 10. an air extracting pump; 11. a fixing frame; 12. a top plate; 13. a baffle; 14. a first switch door; 15. a first handle; 16. a seal ring; 17. a fixing bolt; 18. a second switch door; 19. a second handle; 20. rectangular holes.

Detailed Description

For a better understanding of the objects, structures and functions of the present utility model, a ventilating device for a chemical laboratory according to the present utility model will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1-4, the present utility model: the utility model provides an exhaust device for chemistry experiment room, including laboratory body 1, laboratory body 1's last fixed surface installs rose box 2, rose box 2's inside sliding connection has diatomaceous earth filter 3, molecular sieve filter screen 4 and particle activated carbon absorption net 5 respectively, rose box 2's left surface activity articulates there is first switch door 14, first switch door 14's left surface fixed mounting has first handle 15, utilize first handle 15 can open first switch door 14 manual, thereby the convenience of changing diatomaceous earth filter 3, molecular sieve filter screen 4 and particle activated carbon absorption net 5 has increased diatomaceous earth filter 3, molecular sieve filter screen 4 and particle activated carbon absorption net 5.

The positive fixed intercommunication of rose box 2 has first breathing pipe 6, the bottom of first breathing pipe 6 runs through laboratory body 1 and fixed intercommunication has suction hood 7, the interior bottom wall fixed mounting of laboratory body 1 has suction box 8, the right flank fixed intercommunication of rose box 2 has second breathing pipe 9, the inside wall fixed mounting of laboratory body 1 has mount 11, the bottom surface of mount 11 and the last fixed surface of suction box 8 are connected, utilize mount 11 can protect second breathing pipe 9, prevent that second breathing pipe 9 from exposing in the outside, the protectiveness to second breathing pipe 9 has been increased.

The bottom of second breathing pipe 9 runs through laboratory body 1 and suction box 8 in proper order and extends to the inside of suction box 8, and the upper surface fixed mounting of laboratory body 1 has aspiration pump 10, and aspiration pump 10's input runs through rose box 2 and extends to the inside of rose box 2, and the left surface fixed mounting of mount 11 has roof 12, and rectangular hole 20 that the equidistance was arranged has been seted up to the bottom surface of roof 12, utilizes rectangular hole 20 to upwards discharge the gas in the laboratory body 1 for harmful gas can get into rose box 2 inside, has increased gas exhaust convenience.

The upper surface fixed mounting of roof 12 has baffle 13, and the upper surface of baffle 13 and the interior roof fixed connection of laboratory body 1 utilize baffle 13 to prevent that gas from getting into from the outside for in harmful gas can get into filter tank 2 smoothly, increased the leakproofness of device.

The sealing ring 16 is fixedly arranged on the outer surface of the second air suction pipe 9, the left side surface of the sealing ring 16 is fixedly connected with the right side surface of the filter box 2, a gap between the filter box 2 and the second air suction pipe 9 can be sealed by using the sealing ring 16, gas is prevented from seeping out of the gap, and the sealing performance of the device is increased again.

The top of laboratory body 1 is provided with four fixing bolt 17, and the bottom of every fixing bolt 17 all runs through aspiration pump 10 and extends to the inside of laboratory body 1, and every fixing bolt 17 all is with laboratory body 1 threaded connection, utilizes fixing bolt 17 to be fixed aspiration pump 10 to prevent aspiration pump 10 during operation and take place to rock, increased aspiration pump 10 during operation's stability.

The front activity of laboratory body 1 articulates there is the second switch door 18, and the front fixed mounting of second switch door 18 has the second handle 19, thereby can open the second switch door 18 by hand with the second handle 19 and make things convenient for the experimenter to get into, has increased the convenience of device.

The working principle of the utility model is as follows: firstly, switch on the aspiration pump 10, when needs are to be carried out the exhaust to chemistry experiment room, the suction power through aspiration pump 10 provides can outwards take out the toxic gas in the rose box 2, thereby take out the toxic gas in the laboratory body 1, and direct carry out rose box 2 inside with the toxic gas through the direction of suction hood 7 and first breathing pipe 6, can absorb the toxic gas that the density is greater than air through being provided with suction box 8, and directly inhale the rose box 2 with the toxic gas that the density is greater than air through the direction of second breathing pipe 9, can protect second breathing pipe 9 through mount 11, prevent that second breathing pipe 9 from exposing in the outside, toxic gas is earlier through diatomaceous earth filter 3 with the gaseous absorption such as hydrogen sulfide, sulfur dioxide and mercury vapor, rethread molecular sieve filter screen 4 will the toxic gas in nitrogen oxide, chloride and the amide are adsorbed completely, finally in the absorption of some particles that pass through particle activated carbon absorption net 5 with the gas residue, can be opened first switch 14 through first handle 15, thereby the high-density carbon absorption net 4 is carried out to the chemistry experiment room, thereby the more healthy device is carried out to the carbon absorption device is carried out to the chemistry experiment room, the molecular sieve opening 14, the exhaust device is convenient for the laboratory door, the air absorption device is carried out to the physical activity is changed to the big.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. Exhaust device for chemistry experiment room, including laboratory body (1), its characterized in that: the utility model discloses a laboratory body, including laboratory body (1), filter cabinet (2), molecular sieve filter screen (4) and particulate active carbon absorption net (5), the positive fixed intercommunication of filter cabinet (2) has first breathing pipe (6), the bottom of first breathing pipe (6) runs through laboratory body (1) and fixed intercommunication has suction hood (7), the interior bottom wall fixed mounting of laboratory body (1) has suction cabinet (8), the right flank fixed intercommunication of filter cabinet (2) has second breathing pipe (9), the bottom of second breathing pipe (9) runs through laboratory body (1) and suction cabinet (8) in proper order and extends to the inside of suction cabinet (8), the upper surface fixed mounting of laboratory body (1) has aspiration pump (10), the input of aspiration pump (10) runs through filter cabinet (2) and extends to the inside of filter cabinet (2).

2. A chemical laboratory exhaust apparatus according to claim 1, wherein: the laboratory is characterized in that a fixing frame (11) is fixedly arranged on the inner side wall of the laboratory body (1), and the bottom surface of the fixing frame (11) is fixedly connected with the upper surface of the suction box (8).

3. A chemical laboratory exhaust apparatus according to claim 2, wherein: the left side face of the fixing frame (11) is fixedly provided with a top plate (12), and rectangular holes (20) which are arranged at equal intervals are formed in the bottom face of the top plate (12).

4. A chemical laboratory exhaust apparatus according to claim 3, wherein: the upper surface of roof (12) fixed mounting has baffle (13), the upper surface of baffle (13) and the interior roof fixed connection of laboratory body (1).

5. A chemical laboratory exhaust apparatus according to claim 1, wherein: the left side face of the filter box (2) is movably hinged with a first switch door (14), and a first handle (15) is fixedly arranged on the left side face of the first switch door (14).

6. A chemical laboratory exhaust apparatus according to claim 1, wherein: the outer surface of the second air suction pipe (9) is fixedly provided with a sealing ring (16), and the left side surface of the sealing ring (16) is fixedly connected with the right side surface of the filter box (2).

7. A chemical laboratory exhaust apparatus according to claim 1, wherein: four fixing bolts (17) are arranged above the laboratory body (1), the bottom ends of the fixing bolts (17) penetrate through the air sucking pump (10) and extend to the inside of the laboratory body (1), and the fixing bolts (17) are in threaded connection with the laboratory body (1).

8. A chemical laboratory exhaust apparatus according to claim 1, wherein: the front face of the laboratory body (1) is movably hinged with a second switch door (18), and the front face of the second switch door (18) is fixedly provided with a second handle (19).