CN216324082U

CN216324082U - A novel fume chamber device for physics and chemistry check out test set environment

Info

Publication number: CN216324082U
Application number: CN202122743870.6U
Authority: CN
Inventors: 周兵; 李方彪; 常珊珊; 崔甲坤
Original assignee: Shandong Yiju Inspection Technology Co ltd
Current assignee: Shandong Yiju Inspection Technology Co ltd
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-04-19
Anticipated expiration: 2031-11-10

Abstract

The utility model relates to the technical field of fume hoods, in particular to a novel fume hood device for physicochemical environment detection, which comprises a fume hood body and a table top located in the middle section of the inside of the fume hood body, wherein the top of the fume hood body is provided with an upper top plate and an air outlet cover, the air outlet cover is provided with an air outlet, a flow guide cover is arranged on the inner side of the fume hood body and above the table top, air holes are uniformly distributed on the side wall of the flow guide cover, two sides of the outside of the fume hood body are respectively provided with a filter box, and the filter boxes are communicated with the inner side of the flow guide cover. The waste gas generated in the experiment is sucked into the filter box by the exhaust fan, and the drawing part is detachably connected to the filter box, so that the waste gas filtering device not only can effectively filter the waste gas, but also is convenient for disassembling the drawing part, and is convenient for an operator to replace the active carbon adsorption layer.

Description

A novel fume chamber device for physics and chemistry check out test set environment

Technical Field

The utility model relates to the technical field of fume hoods, in particular to a novel fume hood device for physicochemical environment detection.

Background

Cabinet type exhaust hoods are commonly known as fumehoods and are similar to enclosures. The main use carries out the chemistry experiment of various easy production waste gases, in order to protect experiment operating personnel's safety, prevents that the toxic gas and the easy volatile materials that produce from inside the laboratory in the experiment from diffusing, avoids endangering experiment operating personnel's health. At present, operating personnel also mostly go on through the fume chamber when carrying out the physics and chemistry detection experiment, however, current fume chamber is mostly directly to discharge the waste gas that the experiment produced outdoor, so can produce the pollution to the environment, for environmental protection and air quality safety, we have proposed a novel fume chamber device that is used for physics and chemistry to detect the environment with the above-mentioned drawback of good solution.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel fume hood device for a physical and chemical detection environment, which is used for filtering waste gas generated in a physical and chemical detection experiment and solves the problem that the waste gas is directly discharged outdoors and easily pollutes the environment in the prior art.

The above object of the present invention is achieved by the following technical solutions:

a novel fume hood device for physicochemical environment detection comprises a fume hood body and a table board positioned in the middle section of the inside of the fume hood body, wherein the top of the fume hood body is provided with a top plate and an air outlet cover, the air outlet cover is provided with an air outlet, the inner side of the fume hood body and the upper part of the table board are provided with a flow guide cover, the side wall of the flow guide cover is uniformly distributed with air holes, both sides of the outside of the fume hood body are provided with filter boxes, the filter boxes are communicated with the inner sides of the flow guide cover, the inner bottom surface of each filter box is provided with an exhaust fan, one surface of each filter box, which is back to the fume hood body, is provided with a drawing part in a penetrating way, the drawing part is detachably and fixedly connected with the filter boxes, the inner side surface of the drawing part is provided with a plurality of material containing pools, the bottom surfaces of the material containing pools are uniformly provided with through holes, activated carbon adsorption layers are filled in the material containing pools, and guide pipes penetrate through the tops of the filter boxes, the tail end of the guide pipe extends to a position between the upper top plate and the air outlet cover.

Preferably, the inside of rose box is equipped with the baffle that distributes along vertical direction, the inboard space separation of baffle with the rose box becomes first cavity and second cavity, air exhauster and flourishing material pond all are located first cavity, and the inlet end of air exhauster runs through the baffle and extends to in the second cavity, the rose box just runs through many air ducts to the one side of fume chamber body, the air duct runs through the lateral wall of fume chamber body and extends to in the kuppe.

Preferably, the top surface and the bottom surface of the drawing part are both provided with a sliding cavity, the inner side of the sliding cavity is movably provided with a clamping block, and the side wall of the filter box is provided with a positioning hole matched with the clamping block.

Preferably, an opening communicated with the sliding cavity is formed in the outer end face of the drawing part, a pushing and pulling block is arranged on the outer end face of the drawing part and located on the outer side of the opening, the pushing and pulling block is connected with the clamping block through a positioning rod, and the positioning rod is inserted into the opening.

Preferably, the inner end of the sliding cavity is provided with an elastic piece, and the elastic piece is connected with the clamping block.

Preferably, the inner side of the fume hood body is provided with an ultraviolet lamp between the upper top plate and the air outlet cover.

Compared with the prior art, the utility model provides a novel fume hood device for physical and chemical detection of environment, which has the following beneficial effects:

1. the waste gas generated in the experiment is sucked into the filter box by the exhaust fan, and the drawing part is detachably connected to the filter box, so that the waste gas can be effectively filtered, the drawing part is convenient to detach, and an operator can conveniently replace the active carbon adsorption layer;

2. the ultraviolet lamp is arranged at the top of the fume hood body and can sterilize through irradiation, so that the effect of purifying waste gas by the novel fume hood is further improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the filtration tank of the present invention;

fig. 3 is an enlarged corresponding view of a portion a in fig. 2.

In the figure: 1. a fume hood body; 2. a table top; 3. a pod; 4. air holes; 5. a filter box; 6. a partition plate; 7. an air duct; 8. an exhaust fan; 9. a pull-out section; 10. a material containing pool; 11. an upper top plate; 12. an air outlet cover; 13. a flow guide pipe; 14. an air outlet; 15. a sliding cavity; 16. a clamping block; 17. positioning holes; 18. an opening; 19. a push-pull block; 20. an elastic member; 21. an ultraviolet lamp; 22. and (5) positioning the rod.

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.

Example (b): referring to fig. 1-3, a novel fume hood device for physical and chemical detection of environment comprises a fume hood body 1 and a table top 2 located in the middle section of the inside of the fume hood body 1, wherein an upper top plate 11 and an air outlet cover 12 are arranged at the top of the fume hood body 1, an air outlet 14 is formed in the air outlet cover 12, an ultraviolet lamp 21 is arranged on the inner side of the fume hood body 1 and between the upper top plate 11 and the air outlet cover 12, and the ultraviolet lamp 21 can be sterilized by irradiation, so that waste gas can be effectively purified; the air guide sleeve 3 is arranged on the inner side of the fume hood body 1 and above the table top 2, the air guide sleeve 3 is fixed with the inner wall of the fume hood body 1 in a threaded mode, air holes 4 are uniformly distributed in the side wall of the air guide sleeve 3, filter boxes 5 are arranged on two sides of the outer portion of the fume hood body 1, the filter boxes 5 are communicated with the inner side of the air guide sleeve 3, an exhaust fan 8 is arranged on the inner bottom surface of each filter box 5, and the exhaust fan 8 is used for generating negative pressure on the inner side of the air guide sleeve 3 so as to suck waste gas generated in a physical and chemical detection experiment into the filter boxes 5; the one side of rose box 5 back to fume chamber body 1 runs through there is pull portion 9, detachable fixed connection between pull portion 9 and the rose box 5, the medial surface of pull portion 9 is equipped with the flourishing material pond 10 of polylith, the through-hole has evenly been seted up to the bottom surface in flourishing material pond 10, the inside packing in flourishing material pond 10 has the active carbon adsorption layer, the top of rose box 5 runs through there is honeycomb duct 13, honeycomb duct 13's end extends to between supreme roof 11 and the play gas cap 12, waste gas enters into the inside back of rose box 5, pass the active carbon adsorption layer, enter into last roof 11 and go out between the gas cap 12 from honeycomb duct 13 at last.

The inside of rose box 5 is equipped with baffle 6 along vertical direction distribution, baffle 6 becomes first cavity and second cavity with the inboard space separation of rose box 5, air exhauster 8 and flourishing material pond 10 all are located first cavity, and the inlet end of air exhauster 8 runs through baffle 6 and extends to in the second cavity, the side and the first cavity inner wall in flourishing material pond 10 closely laminate, the effect is avoided waste gas to pass from the inner wall gap in flourishing material pond 10 and first cavity, rose box 5 just runs through to the one side of fume chamber body 1 has many air ducts 7, air duct 7 runs through the lateral wall of fume chamber body 1 and extends to in the kuppe 3, consequently, the usable air duct 7 of air exhauster produces the negative pressure in 3 inboards of kuppe.

The top surface and the bottom surface of the drawing part 9 are both provided with a sliding cavity 15, the inner side of the sliding cavity 15 is movably provided with a clamping block 16, and the side wall of the filter box 5 is provided with a positioning hole 17 matched with the clamping block 16; an opening 18 communicated with the sliding cavity 15 is formed in the outer end face of the drawing part 9, a pushing and pulling block 19 is arranged on the outer end face of the drawing part 9 and located on the outer side of the opening 18, the pushing and pulling block 19 is connected with the clamping block 16 through a positioning rod 22, the pushing and pulling block 19 can slide along the depth direction of the sliding cavity 15, and the positioning rod 22 is inserted into the opening 18, so that a user can control the clamping block 16 to move by poking the pushing and pulling block 19 through fingers, and the drawing part 9 is convenient to disassemble and assemble; the inner end of the sliding cavity 15 is provided with an elastic element 20, the elastic element 20 is connected with the latch 16, the elastic element 20 can be a spring or an elastic metal sheet, and has the function of maintaining the position state of the latch 16, so that the latch can be always embedded in the positioning hole 17 when not being subjected to the action of external force, and when a user needs to disassemble the pulling part 9, the user only needs to pull the pushing and pulling block 19 inwards at the same time.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel fume chamber device for physics and chemistry measuring environment, includes fume chamber body (1) and is located mesa (2) of the inside middle section of fume chamber body (1), the top of fume chamber body (1) is equipped with roof (11) and goes out gas cap (12), gas outlet (14), its characterized in that have been seted up on going out gas cap (12): the ventilating hood is characterized in that a flow guide cover (3) is arranged on the inner side of the ventilating hood body (1) and above the table top (2), air holes (4) are uniformly distributed on the side wall of the flow guide cover (3), filter boxes (5) are arranged on two outer sides of the ventilating hood body (1), the filter boxes (5) are communicated with the inner side of the flow guide cover (3), an exhaust fan (8) is arranged on the inner bottom surface of each filter box (5), a drawing part (9) penetrates through one surface, back to the ventilating hood body (1), of each filter box (5), the drawing part (9) and each filter box (5) are detachably and fixedly connected, a plurality of material containing pools (10) are arranged on the inner side surface of each drawing part (9), through holes are uniformly formed in the bottom surfaces of the material containing pools (10), activated carbon adsorption layers are filled in the material containing pools (10), and a flow guide pipe (13) penetrates through the top of each filter box (5), the tail end of the draft tube (13) extends to the position between the upper top plate (11) and the air outlet cover (12).

2. A novel fume hood apparatus for physico-chemical detection of environment as claimed in claim 1, wherein: the inside of rose box (5) is equipped with baffle (6) along vertical direction distribution, baffle (6) become first cavity and second cavity with the inboard space separation of rose box (5), air exhauster (8) and flourishing material pond (10) all are located first cavity, and the inlet end of air exhauster (8) runs through baffle (6) and extend to in the second cavity, rose box (5) are just running through to the one side of fume chamber body (1) have many air ducts (7), air duct (7) run through the lateral wall of fume chamber body (1) and extend to in kuppe (3).

3. A novel fume hood apparatus for physico-chemical detection of environment as claimed in claim 1, wherein: the top surface and the bottom surface of the drawing part (9) are both provided with a sliding cavity (15), the inner side of the sliding cavity (15) is movably provided with a clamping block (16), and the side wall of the filter box (5) is provided with a positioning hole (17) matched with the clamping block (16).

4. A novel fume hood apparatus for physico-chemical detection of environment as claimed in claim 3, wherein: an opening (18) communicated with the sliding cavity (15) is formed in the outer end face of the drawing portion (9), a pushing and pulling block (19) is arranged on the outer end face of the drawing portion (9) and located on the outer side of the opening (18), the pushing and pulling block (19) is connected with the clamping block (16) through a positioning rod (22), and the positioning rod (22) is inserted into the opening (18).

5. A novel fume hood apparatus for physico-chemical detection of environment as claimed in claim 3, wherein: the inner end of the sliding cavity (15) is provided with an elastic piece (20), and the elastic piece (20) is connected with the clamping block (16).

6. A novel fume hood apparatus for physico-chemical detection of environment as claimed in claim 1, wherein: the inside of fume chamber body (1) just is located and is equipped with ultraviolet lamp (21) between roof (11) and the venthole lid (12).