CN213032206U

CN213032206U - Laboratory fume hood exhaust emission's collection device

Info

Publication number: CN213032206U
Application number: CN202021713402.3U
Authority: CN
Inventors: 彭轶楠; 席鹏; 巩晓芳; 季彬; 祁宏山; 王治业
Original assignee: Institute of Biology of Gansu Academy of Sciences
Current assignee: Institute of Biology of Gansu Academy of Sciences
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2021-04-23
Anticipated expiration: 2030-08-17

Abstract

The utility model discloses a laboratory fume cupboard exhaust emission's collection device, including cupboard, first processing case and second processing case, the upper end of cupboard is provided with the air intake, and the upper end of air intake installs the upper cover, first diaphragm is installed to the inside upper end of cupboard, and the below of first diaphragm is provided with the second diaphragm, the venthole has been seted up to the upper surface of connecting pipe, and the corner of connecting pipe is provided with the processing box, the lower extreme fixed mounting who handles the box has the mounting panel, the second is handled the case and is located the inside lower extreme of cupboard, and the internally mounted of second processing case has first baffle to the adjacent position of first baffle is provided with the second baffle, the upper left corner of second processing case is provided with the outlet duct. This laboratory fume hood exhaust's collection device can handle the gas of collection, prevents that gas from directly discharging into the air and causing the pollution, and can get rid of dust and other floater in the air in the laboratory.

Description

Laboratory fume hood exhaust emission's collection device

Technical Field

The utility model relates to a relevant technical field of laboratory fume hood specifically is a collection device of laboratory fume hood exhaust emission.

Background

The most important exhaust function in the function of fume hood, in chemical laboratory, produce various harmful gas, foul smell, moisture and easily fire, explosive, corrosive substance during experimental operation, for protection user's safety, prevent that the pollutant in the experiment from to the laboratory diffusion, need use the fume hood, with the inside air escape in laboratory, guarantee the safety of the inside air of laboratory.

However, the existing fume hood directly discharges the generated harmful gas, odor, moisture, etc. into the air, causing environmental pollution and harming human health, and a general fume hood cannot remove dust and other floating materials in the air, so we propose a collecting device for the exhaust emission of a laboratory fume hood in order to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a laboratory fume hood exhaust emission's collection device to solve the gaseous discharge that most of laboratory fume hoods that provide in the above-mentioned background art are direct with the collection, cause the pollution of air easily, and be not convenient for carry out the problem of getting rid of to dust in the air and other floaters.

In order to achieve the above object, the utility model provides a following technical scheme: a collecting device for waste gas emission of a laboratory fume cupboard comprises a cupboard, a first processing box and a second processing box, wherein an air inlet is formed in the upper end of the cupboard, an upper cover is installed at the upper end of the air inlet, a first transverse plate is installed at the upper end of the interior of the cupboard, a second transverse plate is arranged below the first transverse plate, connecting blocks are fixedly installed at the left end and the right end of the first transverse plate and the right end of the second transverse plate respectively, connecting holes are formed in the first transverse plate and the second transverse plate respectively, the first processing box is located in the middle of the interior of the cupboard, a sealing door is installed on the front side of the first processing box, a connecting pipe is connected to the interior of the first processing box in a penetrating mode, a first mounting piece is installed at the upper end of the connecting pipe, a second mounting piece is installed at the lower end of the connecting pipe, a filter core is installed on the first mounting piece and the second, and the lower extreme of connecting piece is connected with the pipe, the venthole has been seted up to the upper surface of connecting pipe, and the corner of connecting pipe is provided with the processing box, the lower extreme fixed mounting of processing box has the mounting panel, and the mounting panel is connected with the connecting pipe through the erection bolt, the lower extreme of pipe is connected with the upper end of aspiration pump, the second is handled the case and is located the inside lower extreme of cupboard, and the internally mounted of second processing case has first baffle to the adjacent position of first baffle is provided with the second baffle, the upper left corner of second processing case is provided with the outlet duct.

Preferably, the upper end opening size of the air inlet is larger than the lower end opening size of the air inlet, the air inlet is in threaded connection with the upper cover, and the upper end of the middle of the upper cover is in a hollow structure.

Preferably, first diaphragm and second diaphragm parallel arrangement, and first diaphragm and second diaphragm all constitute through the connecting block and dismantle the structure with the cupboard, the connecting hole all evenly sets up on first diaphragm and second diaphragm, and the longitudinal section shape of connecting hole is trapezoidal.

Preferably, the connecting pipe is "S" style of calligraphy and distributes in the inside of first processing case, and the venthole equidistant setting on the outer wall of connecting pipe to the connected mode of connecting pipe and first installed part and second installed part is threaded connection.

Preferably, the surface of crossing the filter core and the equal inseparable spring setting of the upper and lower both ends internal surface of connecting pipe, and cross the equal fixed connection of filter core and first installed part and second installed part to the centre of first installed part and second installed part all is fretwork column structure.

Preferably, the first baffle and the second baffle are arranged at equal intervals, the first baffle and the second baffle are distributed at intervals, and the front end and the rear end of the first baffle and the rear end of the second baffle are fixedly connected with the inner surface of the second treatment box.

Compared with the prior art, the beneficial effects of the utility model are that: the device for collecting the exhaust gas discharged by the laboratory fume hood can treat the collected gas, prevent the gas from being directly discharged into the air to cause pollution, and remove dust and other floating objects in the air in the laboratory;

1. the first transverse plate and the second transverse plate are arranged at the upper end of the interior of the cabinet, so that dust and floating objects in the air in the laboratory can be filtered through the connecting holes in the first transverse plate and the second transverse plate, and the air in the laboratory can be purified conveniently;

2. the cabinet is internally provided with the first treatment box and the second treatment box, the activated carbon and the treatment box are arranged in the first treatment box, and the chemical agent for purification is arranged in the treatment box, so that the collected gas can be purified, peculiar smell and toxic components can be removed, and the air pollution caused by direct discharge of the gas can be prevented;

3. through setting up the connecting pipe to "S" style of calligraphy, can prolong gaseous route at the connecting pipe inside to make gaseous by the first more thorough that handles the case and purify, be provided with first baffle and second baffle in addition in the inside of second processing case, gaseous route at the second processing incasement portion is prolonged to the effect of accessible first baffle and second baffle, thereby can make the second handle the case and carry out abundant processing to gas.

Drawings

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the front cross-sectional structure of the first treatment chamber of the present invention;

fig. 4 is an enlarged schematic structural diagram of the point B in fig. 3 according to the present invention.

In the figure: 1. a cabinet; 2. an air inlet; 3. an upper cover; 4. a first transverse plate; 5. a second transverse plate; 6. connecting blocks; 7. connecting holes; 8. a first treatment tank; 9. a sealing door; 10. a connecting pipe; 11. a first mounting member; 12. a filter element; 13. a second mount; 14. a connecting member; 15. a conduit; 16. an air outlet; 17. a process cartridge; 18. mounting a plate; 19. installing a bolt; 20. an air pump; 21. a second treatment tank; 22. a first baffle plate; 23. a second baffle; 24. and an air outlet pipe.

Detailed Description

The technical solution 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 some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a laboratory fume hood waste gas emission collecting device comprises a cabinet 1, an air inlet 2, an upper cover 3, a first transverse plate 4, a second transverse plate 5, a connecting block 6, a connecting hole 7, a first processing box 8, a sealing door 9, a connecting pipe 10, a first mounting part 11, a filter core 12, a second mounting part 13, a connecting part 14, a guide pipe 15, an air outlet 16, a processing box 17, a mounting plate 18, a mounting bolt 19, an air suction pump 20, a second processing box 21, a first baffle 22, a second baffle 23 and an air outlet pipe 24, wherein the upper end of the cabinet 1 is provided with the air inlet 2, the upper cover 3 is mounted at the upper end of the air inlet 2, the first transverse plate 4 is mounted at the upper end inside of the cabinet 1, the second transverse plate 5 is arranged below the first transverse plate 4, the connecting block 6 is fixedly mounted at the left end and the right end of the first transverse plate 4 and the second transverse plate 5, the connecting hole 7 is formed in each of the, the first processing box 8 is positioned in the middle of the inside of the cabinet 1, a sealing door 9 is installed on the front side of the first processing box 8, a connecting pipe 10 is connected in the first processing box 8 in a penetrating manner, a first installation part 11 is installed at the upper end of the connecting pipe 10, a second installation part 13 is installed at the lower end of the connecting pipe 10, filter cores 12 are installed on the first installation part 11 and the second installation part 13, a connecting part 14 is connected to the lower end of the second installation part 13 in a threaded manner, a guide pipe 15 is connected to the lower end of the connecting part 14, an air outlet 16 is formed in the upper surface of the connecting pipe 10, a processing box 17 is arranged at a corner of the connecting pipe 10, a mounting plate 18 is fixedly installed at the lower end of the processing box 17, the mounting plate 18 is connected with the connecting pipe 10 through a mounting bolt 19, the lower end of the guide pipe 15 is connected with the upper end of an air suction pump 20, the, and a second baffle plate 23 is arranged at the adjacent position of the first baffle plate 22, and an air outlet pipe 24 is arranged at the upper left corner of the second treatment box 21.

As shown in fig. 1, the size of the upper end opening of the air inlet 2 is larger than the size of the lower end opening of the air inlet 2, the air inlet 2 is connected with the upper cover 3 in a threaded manner, the upper end of the middle of the upper cover 3 is in a hollow structure, external impurities can be filtered through the hollow structure on the upper cover 3, the impurities are prevented from entering the cabinet 1, the first baffle 22 and the second baffle 23 are arranged at equal intervals, the first baffle 22 and the second baffle 23 are distributed at intervals, the front end and the rear end of the first baffle 22 and the front end and the rear end of the second baffle 23 are fixedly connected with the inner surface of the second treatment box 21, and the path of the gas inside the second treatment box 21 can be prolonged through the action of the first baffle 22 and the second baffle 23;

as shown in fig. 2, the first transverse plate 4 and the second transverse plate 5 are arranged in parallel, the first transverse plate 4 and the second transverse plate 5 form a disassembly structure with the cabinet 1 through the connecting block 6, the connecting holes 7 are uniformly arranged on the first transverse plate 4 and the second transverse plate 5, the longitudinal section of the connecting holes 7 is trapezoidal, and effective dust filtration and floating object filtration can be performed on gas entering the cabinet 1 through the action of the first transverse plate 4 and the second transverse plate 5;

as in figure 3 connecting pipe 10 is "S" style of calligraphy and distributes in the inside of first processing case 8, and venthole 16 equidistant setting on the outer wall of connecting pipe 10, and the connected mode of connecting pipe 10 and first installed part 11 and second installed part 13 is threaded connection, can prolong gaseous route inside connecting pipe 10, the equal inseparable spring setting of surface and the upper and lower both ends internal surface of connecting pipe 10 of filter element 12, and filter element 12 and the equal fixed connection of first installed part 11 and second installed part 13, and the centre of first installed part 11 and second installed part 13 all is the fretwork column structure, be convenient for filter gas through filter element 12.

The working principle is as follows: when the device for collecting exhaust gas discharged from a laboratory fume hood is used, firstly, the air pump 20 is started, so that the upper end of the air pump 20 absorbs gas, the gas in the laboratory enters the inside of the cabinet 1 through the air inlet 2, then dust and other floating objects mixed in the gas are filtered under the action of the first transverse plate 4 and the second transverse plate 5, then the gas enters through the upper end of the connecting pipe 10, as the air outlet holes 16 are arranged on the upper surface of the connecting pipe 10 at equal intervals, the gas entering the connecting pipe 10 can be discharged into the first processing box 8 through the air outlet holes 16, as the first processing box 8 is filled with active carbon, the peculiar smell in the gas can be removed under the action of the active carbon, then the toxic components in the gas are processed under the action of the chemical agents arranged in the processing box 17, the processed gas is discharged through the lower end of the connecting pipe 10, and discharges the gas into the interior of the second processing tank 21 by the action of the conduit 15 and the suction pump 20;

because the inside at second treatment case 21 is provided with the processing solution for the inside gas that gets into second treatment case 21 gets rid of toxic component under the effect of processing solution, because be provided with first baffle 22 and second baffle 23 in the inside of second treatment case 21, accessible first baffle 22 and second baffle 23 effect make gas be "S" style of calligraphy in the inside of second treatment case 21 and flow, thereby increase the area of contact of gas and processing solution, and then make the gas be handled more thoroughly, the gas after the processing is discharged through outlet duct 24, this is exactly this laboratory fume hood exhaust' S theory of operation.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connected mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt among the prior art, and conventional model, including the conventional connected mode among the circuit connection adoption prior art, and the details are not repeated here, and the content that does not make detailed description in this description belongs to the prior art that skilled person in the art knows.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A laboratory fume hood exhaust collection device comprising a cabinet (1), a first treatment tank (8) and a second treatment tank (21), characterized in that: the improved kitchen cabinet is characterized in that an air inlet (2) is formed in the upper end of the kitchen cabinet (1), an upper cover (3) is installed at the upper end of the air inlet (2), a first transverse plate (4) is installed at the upper end of the interior of the kitchen cabinet (1), a second transverse plate (5) is arranged below the first transverse plate (4), connecting blocks (6) are fixedly installed at the left end and the right end of the first transverse plate (4) and the second transverse plate (5), connecting holes (7) are formed in the first transverse plate (4) and the second transverse plate (5), the first processing box (8) is located in the middle of the interior of the kitchen cabinet (1), a sealing door (9) is installed on the front side of the first processing box (8), a connecting pipe (10) penetrates through the interior of the first processing box (8), a first mounting piece (11) is installed at the upper end of the connecting pipe (10), and a second mounting piece (13) is installed at the, and the first mounting part (11) and the second mounting part (13) are both provided with a filter element (12), the lower end of the second mounting part (13) is in threaded connection with a connecting piece (14), the lower end of the connecting piece (14) is connected with a guide pipe (15), the upper surface of the connecting pipe (10) is provided with an air outlet (16), a processing box (17) is arranged at the corner of the connecting pipe (10), the lower end of the processing box (17) is fixedly provided with a mounting plate (18), the mounting plate (18) is connected with the connecting pipe (10) through a mounting bolt (19), the lower end of the guide pipe (15) is connected with the upper end of an air suction pump (20), the second processing box (21) is positioned at the lower end inside the cabinet (1), a first baffle plate (22) is arranged inside the second processing box (21), and a second baffle plate (23) is arranged at the adjacent position of the first baffle plate (22), an air outlet pipe (24) is arranged at the upper left corner of the second treatment box (21).

2. A laboratory fume hood exhaust collection device according to claim 1, wherein: the upper end opening size of air intake (2) is greater than the lower extreme opening size of air intake (2), and the connected mode of air intake (2) and upper cover (3) is threaded connection to the middle upper end of upper cover (3) is fretwork column structure.

3. A laboratory fume hood exhaust collection device according to claim 1, wherein: first diaphragm (4) and second diaphragm (5) parallel arrangement, and first diaphragm (4) and second diaphragm (5) all constitute through connecting block (6) and cupboard (1) and dismantle the structure, connecting hole (7) all evenly set up on first diaphragm (4) and second diaphragm (5), and the longitudinal section shape of connecting hole (7) is trapezoidal.

4. A laboratory fume hood exhaust collection device according to claim 1, wherein: the connecting pipe (10) is distributed in the first treatment box (8) in an S shape, the air outlet holes (16) are formed in the outer wall of the connecting pipe (10) at equal intervals, and the connecting pipe (10) is in threaded connection with the first mounting part (11) and the second mounting part (13).

5. A laboratory fume hood exhaust collection device according to claim 1, wherein: the outer surface of the filter element (12) and the inner surfaces of the upper end and the lower end of the connecting pipe (10) are respectively provided with a tight spring, the filter element (12) is fixedly connected with the first mounting part (11) and the second mounting part (13), and the middle of the first mounting part (11) and the middle of the second mounting part (13) are both in hollow-out structures.

6. A laboratory fume hood exhaust collection device according to claim 1, wherein: first baffle (22) and second baffle (23) equidistant setting, and first baffle (22) and second baffle (23) alternate distribution to both ends all are connected with the internal surface fixed of second processing case (21) around first baffle (22) and second baffle (23).