CN218944638U

CN218944638U - Laboratory exhaust treatment device

Info

Publication number: CN218944638U
Application number: CN202223571060.8U
Authority: CN
Inventors: 高志; 甘鹭生
Original assignee: Xiamen Dejiahe Laboratory Equipment Engineering Co ltd
Current assignee: Xiamen Dejiahe Laboratory Equipment Engineering Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-05-02
Anticipated expiration: 2032-12-30

Abstract

The utility model relates to the technical field of waste gas treatment, and provides a laboratory waste gas treatment device, which comprises a treatment bin, wherein an installation cavity, a treatment cavity and a liquid storage cavity are sequentially arranged in the treatment bin from top to bottom, an air suction pump for sucking waste gas into the treatment cavity is arranged in the installation cavity, a drying layer, a spraying group and an air outlet hopper are sequentially arranged in the treatment cavity from top to bottom, and treatment liquid is arranged in the liquid storage cavity; the air outlet of the air pump is connected with the air outlet hopper through an air outlet pipe; the liquid storage cavity is connected with the spraying group through a liquid outlet pipe; the spraying group comprises a plurality of spraying heads, and spraying holes are formed below and at the bottom of each spraying head; according to the waste gas treatment device, the dust removal device is arranged to recycle particles or dust generated in a laboratory, and then the waste gas is introduced into the treatment cavity, so that the influence of the particles or dust in the waste gas on other components is avoided, and the stability of the waste gas treatment device in treating the waste gas can be improved.

Description

Laboratory exhaust treatment device

Technical Field

The utility model relates to the technical field of waste gas treatment, in particular to a laboratory waste gas treatment device.

Background

Various exhaust gases are generated during the daily experiments in the laboratory, and the laboratory exhaust gases seriously affect the safety of the laboratory and the physical health of laboratory staff, so that the exhaust gases need to be treated and then discharged.

The existing part of waste gas treatment device sprays the treatment after directly introducing waste gas into the treatment bin, however, various chemical reactions are needed in the laboratory, and particles or dust and the like are easy to generate in the reaction process, and the waste gas treatment device is easy to remain in the treatment bin after being directly sprayed and is easy to influence other parts of the waste gas treatment device, for example, sprayed liquid needs to be recovered through a recovery pipe, and the risk of blocking the recovery pipe exists.

In view of this, the present inventors have specifically devised a laboratory exhaust gas treatment device, which results therefrom.

Disclosure of Invention

The defects of the prior art of the utility model are overcome by providing a laboratory waste gas treatment device; the technical scheme adopted by the method is as follows:

the laboratory waste gas treatment device comprises a treatment bin, wherein an installation cavity, a treatment cavity and a liquid storage cavity are sequentially arranged in the treatment bin from top to bottom, an air pump for pumping waste gas into the treatment cavity is arranged in the installation cavity, a drying layer, a spraying group and an air outlet hopper are sequentially arranged in the treatment cavity from top to bottom, and treatment liquid is arranged in the liquid storage cavity;

the air outlet of the air pump is connected with an air outlet hopper through an air outlet pipe, and the opening of the air outlet hopper faces downwards and is in a horn shape; the liquid storage cavity is connected with the spraying group through a liquid outlet pipe; the spraying group comprises a plurality of spraying heads, spraying holes are formed in the lower portions and the bottoms of the spraying heads, the treatment bin is located on the side wall of the treatment chamber, and an exhaust pipe is arranged above the drying layer.

Further, an air inlet pipe is arranged at the air inlet of the air pump, and the air inlet pipe is communicated to the outer side of the treatment bin.

Furthermore, a dust removing device is arranged on the air inlet pipe and positioned outside the treatment bin.

Further, the dust removing device comprises a dust removing bin and a dust removing screen plate which is arranged in the dust removing bin and is in sliding connection with the dust removing bin.

Further, grooves for sliding the dust removing net plates are formed in two opposite sides in the dust removing bin, and the grooves are formed by two parallel steps.

Further, the side wall of the dust removing bin is provided with a first channel through which dust removing meshes pass, and the outer side wall of the dust removing bin is positioned at the first channel to form a dust removing group.

Further, the ash removal group comprises an ash removal bin and an ash removal brush arranged at the bottom of the inner side of the ash removal bin, and the ash removal bin is arranged in a second channel communicated with the first channel.

Further, the outer side wall of the dust removal bin is provided with an L-shaped bracket for placing the ash removal bin.

Further, a filter tank is arranged between the processing chamber and the liquid storage chamber.

Furthermore, the liquid storage chamber is also connected with a liquid adding pipe.

According to the waste gas treatment device, the dust removal device is arranged to recycle particles or dust generated in a laboratory, and then the waste gas is introduced into the treatment cavity, so that the influence of the particles or dust in the waste gas on other components is avoided, and the stability of the waste gas treatment device in treating the waste gas can be improved.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification.

Wherein:

FIG. 1 is a schematic view of an exhaust treatment device according to the present utility model;

FIG. 2 is a cross-sectional view of the dust removing device of the present utility model;

FIG. 3 is a schematic diagram of the structure of the dust removing net plate of the present utility model;

FIG. 4 is an exploded view of the ash removal unit of the present utility model;

fig. 5 is an enlarged view of a portion of fig. 1 in accordance with the present utility model.

Description of the reference numerals:

10. a treatment bin; 11. a mounting chamber; 12. a processing chamber; 13. a liquid storage chamber; 14. an exhaust pipe; 15. a liquid adding tube; 20. an air extracting pump; 21. an air inlet pipe; 22. an air outlet pipe; 30. drying the layer; 40. spraying groups; 41. a spray head; 411. a spray hole; 50. an air outlet hopper; 60. a treatment liquid; 70. a dust removal device; 71. a dust removal bin; 711. a step; 72. a dust removal screen; 73. a bracket; 80. an ash removal group; 81. an ash removal bin; 811. a second channel; 82. a dust removing brush; 90. and a filtering tank.

Detailed Description

In order to better understand the technical solutions in the present application, the following description will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.

Referring to fig. 1 to 5, as a laboratory exhaust gas treatment device provided in this embodiment, the laboratory exhaust gas treatment device includes a treatment chamber 10, an installation chamber 11, a treatment chamber 12 and a liquid storage chamber 13 are sequentially disposed in the treatment chamber 10 from top to bottom, an air pump 20 for pumping exhaust gas into the treatment chamber 12 is disposed in the installation chamber 11, a drying layer 30, a spraying group 40 and an air outlet hopper 50 are sequentially disposed in the treatment chamber 12 from top to bottom, and a treatment liquid 60 is disposed in the liquid storage chamber 13.

The air outlet of the air pump 20 is connected with the air outlet hopper 50 through the air outlet pipe 22, the air outlet hopper 50 is downwards opened and is in a horn shape, so that the treatment liquid 60 is prevented from entering the air outlet hopper 50, and meanwhile, the horn shape is adopted to disperse the air into the treatment chamber 12; the liquid storage chamber 13 is connected with the spraying set 40 through a liquid outlet pipe, and a liquid pump is arranged on the liquid outlet pipe and is used for pumping the treatment liquid 60 in the liquid storage chamber 13 to the spraying set 40; the spraying set 40 comprises a plurality of spraying heads 41, spraying holes 411 are arranged below and at the bottom of the spraying heads 41, the treatment bin 10 is positioned on the side wall of the treatment chamber 12, an exhaust pipe 14 is further arranged, and the exhaust pipe 14 is positioned above the drying layer 30.

The lower part of the spray head 41 is conical, the outer diameter of the spray head is gradually reduced from top to bottom, the central axis of the spray hole 411 is perpendicular to the outer circumference, the spray area is conveniently increased, and the waste gas treatment efficiency is improved.

An air inlet pipe 21 is arranged at the air inlet of the air pump 20, and the air inlet pipe 21 is communicated to the outer side of the treatment bin 10. A dust removing device 70 is arranged on the air inlet pipe 21 and positioned outside the treatment bin 10; the dust removing device 70 comprises a dust removing bin 71 and a dust removing screen 72 which is arranged in the dust removing bin 71 and is in sliding connection with the dust removing bin 71; grooves for sliding the dust removing net plate 72 are formed in two opposite sides of the dust removing bin 71, and the grooves are formed by two side-by-side steps 711. The side wall of the dust removing bin 71 is provided with a first channel through which dust removing meshes pass, and the outer side wall of the dust removing bin 71 is positioned at the first channel to be provided with an ash removing group 80.

The ash cleaning group 80 comprises an ash cleaning bin 81 and an ash cleaning brush 82 arranged at the bottom of the inner side of the ash cleaning bin 81, and the ash cleaning bin 81 is arranged in a second channel 811 communicated with the first channel. The outer side wall of the dust removal bin 71 is provided with a bracket 73 which is L-shaped and is used for placing a dust removal bin 81. The dust removing screen 72 includes an outer frame, a grid plate located on the inner side, and a handle disposed on the outer side of the outer frame, when the dust removing screen 72 is located in the dust removing bin 71, the handle is located on the outer side of the second channel 811, when the dust removing screen 72 needs to be cleaned after being used for a period of time, the handle pulls the dust removing screen 72 to sequentially pass through the first channel and the second channel 811, when the dust removing screen 72 passes through the second channel 811, the brush part of the dust removing brush 82 faces the dust removing screen 72 to remove dust or particles on the dust removing screen 72 and fall into the dust removing bin 81, and when the dust removing screen 72 is taken out, the dust removing bin 81 can be taken down from the bracket 73, the dust removing bin 81 is composed of a lower shell and an upper cover, and the upper cover is opened to pour out dust or particles. Therefore, the dust or particles of the dust removing net plate 72 can be adsorbed in a better state all the time.

A filter tank 90 is also arranged between the processing chamber 12 and the liquid storage chamber 13. The filtering mode of the filtering tank 90 is an existing structure, and not described in detail, the liquid storage chamber 13 is further connected to a liquid adding pipe 15, when the concentration of the medicine in the treatment liquid 60 is low, the medicine can be added by using the liquid adding pipe 15, and the medicine is selected as an existing conventional choice, and depends on the components of the waste gas.

In summary, according to the exhaust gas treatment device disclosed by the utility model, the dust removal device is arranged to recover particles or dust generated in a laboratory, and then the exhaust gas is introduced into the treatment cavity, so that the influence of the particles or dust in the exhaust gas on other components is avoided, and the stability of the exhaust gas treatment device in treating the exhaust gas can be improved.

It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the application following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the application pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.

It is to be understood that the present application is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims

1. The laboratory waste gas treatment device is characterized by comprising a treatment bin, wherein an installation cavity, a treatment cavity and a liquid storage cavity are sequentially arranged in the treatment bin from top to bottom, an air pump for pumping waste gas into the treatment cavity is arranged in the installation cavity, a drying layer, a spraying group and an air outlet hopper are sequentially arranged in the treatment cavity from top to bottom, and treatment liquid is arranged in the liquid storage cavity;

2. The laboratory exhaust treatment device according to claim 1, wherein the air intake of the air pump is provided with an air intake pipe, and the air intake pipe is communicated to the outside of the treatment cabin.

3. A laboratory exhaust treatment device according to claim 2, characterized in that a dust removal device is further arranged on the air inlet pipe and outside the treatment bin.

4. A laboratory waste gas treatment device according to claim 3, wherein the dust removal device comprises a dust removal bin and a dust removal screen plate arranged inside the dust removal bin and in sliding connection with the dust removal bin.

5. The laboratory exhaust treatment device according to claim 4, wherein grooves for sliding of the dust removing mesh plate are formed in opposite sides of the dust removing bin, and the grooves are formed by two side-by-side steps.

6. The laboratory exhaust treatment device according to claim 5, wherein the dust removal bin side wall is provided with a first passage for passing through dust removal meshes, and the dust removal bin outer side wall is provided with a dust removal group at the first passage.

7. The laboratory exhaust treatment device according to claim 6, wherein the ash removal group comprises an ash removal bin and an ash removal brush arranged at the bottom of the inner side of the ash removal bin, and the ash removal bin is arranged in a second channel communicated with the first channel.

8. The laboratory waste gas treatment device according to claim 7, wherein the outer side wall of the dust removal bin is provided with a bracket which is L-shaped and is used for placing a dust removal bin.

9. A laboratory waste gas treatment device according to claim 1, wherein a filter tank is further arranged between the treatment chamber and the liquid storage chamber.

10. A laboratory waste gas treatment device according to claim 1, wherein the liquid storage chamber is further connected to a liquid filling pipe.