CN215196165U

CN215196165U - Portable laboratory tail gas processing apparatus

Info

Publication number: CN215196165U
Application number: CN202120550400.5U
Authority: CN
Inventors: 王军; 金俊成
Original assignee: West Anhui University
Current assignee: West Anhui University
Priority date: 2021-03-17
Filing date: 2021-03-17
Publication date: 2021-12-17
Anticipated expiration: 2031-03-17

Abstract

The utility model discloses a portable laboratory tail gas treatment device, which comprises a purifying box, wherein a suction device, a first filtering component and a second filtering component are arranged in the purifying box, and the suction device sends tail gas into the first filtering component and the second filtering component in sequence for treatment; the purifying box in install and separate into the purifying box and control two parts's baffle, the mid-mounting on baffle right side have the backup pad of two parts about separating into the purifying box, getter device install in the backup pad, first filtering component install in the below of backup pad, the blast pipe pass the backup pad and get into in the first filtering component, second filtering component install in the left purifying box of baffle, the utility model overcomes prior art's is not enough, the device is convenient for carry, can use and remove as required on the laboratory bench, tail gas treatment is effectual, is convenient for maintain.

Description

Portable laboratory tail gas processing apparatus

Technical Field

The utility model relates to a tail gas treatment technical field specifically belongs to a portable laboratory tail gas processing apparatus.

Background

Various exhaust gases are generated in laboratories during routine operations such as inspection, qualification, testing, etc. The laboratory waste gas has relatively complex components including aromatic compounds such as benzene, toluene, xylene, styrene and the like; ketones, acetone, cyclohexanone, methyl ethyl ketone, etc., esters, ethyl acetate, butyl acetate, methyl isoate, banana oil, etc.; organic waste gas such as alcohol, methanol, ethanol, butanol, isopropanol, etc. Also includes inorganic waste gases such as nitrogen oxides, sulfuric acid mist, hydrogen chloride, hydrogen fluoride, hydrogen sulfide, sulfur dioxide and the like; and also high temperature combustion exhaust gas, dust, etc. The components of the waste gas generated in the experimental process are complex and diverse, and if the waste gas is directly discharged into the atmosphere without being treated, the waste gas will pollute the surrounding environment and influence the health of people. However, the existing laboratory tail gas treatment device is an integrated large-scale treatment device, and can not be moved according to the position and conditions of an experiment in a single or small-scale experiment process, so that the laboratory tail gas treatment device which is convenient to use, carry and maintain is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a portable laboratory tail gas processing apparatus has overcome the not enough of prior art.

In order to solve the above problems, the utility model adopts the following technical proposal:

a portable laboratory tail gas treatment device comprises a purification box, wherein an air suction device, a first filtering assembly and a second filtering assembly are arranged in the purification box, and the air suction device sequentially sends tail gas into the first filtering assembly and the second filtering assembly for treatment;

the air suction device comprises an induced draft fan and an exhaust pipe, the induced draft fan is arranged in the purification box above the supporting plate, the exhaust pipe is connected with an air outlet of the induced draft fan, the first filtering component is arranged below the supporting plate, the exhaust pipe penetrates through the supporting plate to enter the first filtering component, and the second filtering component is arranged in the purification box at the left side of the partition plate;

the exhaust pipe in install and keep apart the subassembly, the subassembly of keeping apart include spacing ring, limiting plate and unsteady board, spacing ring and limiting plate fixed mounting on the inner wall of blast pipe, and the spacing ring is located the below of limiting plate, the vertical setting of blast pipe, unsteady board movable mounting in the blast pipe between spacing ring and limiting plate, unsteady board be equipped with a plurality of through-hole and bump on the surface, the limiting plate also be equipped with a plurality of through-hole and bump on the surface, the limiting plate on the through-hole cooperate with the bump on the unsteady board, the bump on the limiting plate cooperate with the through-hole on the unsteady board, make limiting plate and unsteady board cooperate with the limiting plate and the through-hole on the unsteady board sealed.

Further, the getter device still include intake pipe, L shape pipe and gas collecting channel, the intake pipe pass the purifying box and be connected with the air inlet of draught fan, the one end damping of L shape pipe install in the intake pipe, gas collecting channel fixed connection in the other end of L shape pipe.

Further, first filtering component include orifice plate and treatment solution, the density of floating plate is less than the density of treatment solution, orifice plate fixed mounting in the purge bin middle part of backup pad below, the bottom of blast pipe pass the orifice plate, treatment solution hold in the purge bin of backup pad below, and the liquid level of treatment solution is located the top of orifice plate, and still be equipped with the air vent on the baffle of liquid level top and backup pad below.

Further, a liquid inlet and a liquid outlet are further formed in the right box wall of the purification box below the supporting plate, and sealing plugs are mounted on the liquid inlet and the liquid outlet.

Further, the second filter component include adsorbing material, erect otter board and horizontal otter board, perpendicular otter board fixed mounting in the left purifying box of baffle, and with baffle parallel arrangement, not contact with the baffle, horizontal otter board fixed mounting in the lower part of erecting the left purifying box of otter board, adsorbing material fill in the space that horizontal otter board, perpendicular otter board and purifying box left side formed, horizontal otter board not contact with the bottom of purifying box, and still be equipped with the blowhole on the left tank wall of the purifying box of horizontal otter board below, the drain on install the sealing plug, the tank wall of the left purifying box of adsorbing material on be equipped with the air exit.

Furthermore, the top of the purification box above the adsorbing material is also provided with a sealing cover.

Compared with the prior art, the utility model discloses an implement the effect as follows: the device is convenient for carry, can use and remove as required on the laboratory bench, and the height-adjustable of the gas collecting channel of the device simultaneously can be applicable to different chemical reaction tail gas treatment demands, and in addition, the device tail gas treatment effect is good, and the maintenance is convenient for, the problem of treatment fluid backward flow can be avoided to the isolation subassembly that sets up in the blast pipe, has avoided the problem of a large amount of evaporations of treatment fluid in to the induced air blower simultaneously, and the orifice plate has avoided the problem that treatment fluid splashes around the blast pipe among the processing procedure.

Drawings

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

FIG. 2 is a top view of a limiting plate;

fig. 3 is a plan view of the floating plate.

Description of reference numerals: 1. a purification box; 11. a partition plate; 12. a support plate; 13. an orifice plate; 14. a treatment liquid; 15. erecting a screen plate; 16. a transverse net plate; 17. a sealing cover; 18. an air outlet; 19. a sealing plug; 2. an induced draft fan; 21. an air inlet pipe; 22. an L-shaped conduit; 23. a gas-collecting hood; 24. an exhaust pipe; 25. a liquid inlet; 26. a liquid discharge port; 31. a limiting plate; 32. a limiting ring; 33. a floating plate; 34. a through hole; 35. salient points; 4. adsorbing the material.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation to be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

As shown in FIGS. 1-3, the utility model discloses a portable laboratory tail gas processing apparatus, including purifying box 1, install getter device, first filtering component and second filtering component in the purifying box 1, getter device sends tail gas into first filtering component and second filtering component in proper order and handles.

A partition plate 11 which divides the purification box 1 into a left part and a right part is arranged in the purification box 1, a support plate 12 which divides the purification box 1 into an upper part and a lower part is arranged in the middle of the right side of the partition plate 11, a suction device is arranged on the support plate 12 and comprises a draught fan 2 and an exhaust pipe 24, the draught fan 2 is arranged in the purification box 1 above the support plate 12, the exhaust pipe 24 is connected with an air outlet of the draught fan 2, a first filtering component is arranged below the support plate 12, and the exhaust pipe 24 penetrates through the support plate 12 and enters the first filtering component; the air suction device further comprises an air inlet pipe 21, an L-shaped guide pipe 22 and an air collecting hood 23, the air inlet pipe 21 penetrates through the purifying box 1 to be connected with an air inlet of the draught fan 2, one end of the L-shaped guide pipe 22 is installed in the air inlet pipe 21 in a damping mode, and the air collecting hood 23 is fixedly connected to the other end of the L-shaped guide pipe 22, so that the height of the air collecting hood 23 is adjustable, and the air suction device can be suitable for different chemical reaction tail gas treatment requirements.

The first filtering component comprises a pore plate 13 and treatment liquid 14, the pore plate 13 is fixedly arranged in the middle of the purification box 1 below the support plate 12, the bottom end of the exhaust pipe 24 penetrates through the pore plate 13, the treatment liquid 14 is contained in the purification box 1 below the support plate 12, and the liquid level of the treatment liquid 14 is positioned above the pore plate 13, so that the problem that the treatment liquid 14 around the exhaust pipe 24 splashes in the treatment process is avoided; and vent holes are also formed in the partition plate 11 above the liquid level and below the support plate 12, so that tail gas filtered by the first filtering component can enter the second filtering component. The right box wall of the purifying box 1 below the supporting plate 12 is also provided with a liquid inlet 25 and a liquid outlet 26, and the liquid inlet 25 and the liquid outlet are provided with sealing plugs 19.

The second filtering component comprises an adsorbing material 4, a vertical net plate 15 and a horizontal net plate 16, the vertical net plate 15 is fixedly arranged in the purifying box 1 on the left side of the partition plate 11, is arranged in parallel with the partition plate 11 and is not contacted with the partition plate 11, so that evaporated treating liquid 14 can be condensed between the partition plate 11 and the vertical net plate 15, the horizontal net plate 16 is fixedly arranged on the lower part of the purifying box 1 on the left side of the vertical net plate 15, the adsorbing material 4 is filled in a space formed by the horizontal net plate 16, the vertical net plate 15 and the left side of the purifying box 1, the horizontal net plate 16 is not contacted with the bottom of the purifying box 1, a sewage discharge hole is further formed in the left box wall of the purifying box 1 below the horizontal net plate 16, a sealing plug 19 is arranged on the sewage discharge hole, and the condensed treating liquid 14 can flow out of the sewage discharge hole; an air outlet 18 is formed in the wall of the purification box 1 on the left side of the adsorption material 4, a sealing cover 17 is further arranged at the top of the purification box 1 above the adsorption material 4, the adsorption material 4 can be replaced conveniently, and the adsorption material 4 is made of activated carbon.

Example 2

As a further technical scheme of the invention, an isolation component is arranged in the exhaust pipe 24, the isolation component comprises a limit ring 32, a limit plate 31 and a floating plate 33, the density of the floating plate 33 is less than that of the treatment liquid 14, the limit ring 32 and the limit plate 31 are fixedly arranged on the inner wall of the exhaust pipe 24, the limit ring 32 is positioned below the limit plate 31, the exhaust pipe 24 is vertically arranged, the floating plate 33 is movably arranged in the exhaust pipe 24 between the limit ring 32 and the limit plate 31, a plurality of through holes 34 and salient points 35 are arranged on the surface of the floating plate 33, a plurality of through holes 34 and salient points 35 are also arranged on the surface of the limit plate 31, the through holes 34 on the limit plate 31 are matched with the salient points 35 on the floating plate 33, the salient points 35 on the limit plate 31 are matched with the through holes 34 on the floating plate 33, so that the limit plate 31 and the through holes 34 on the floating plate 33 are sealed when the limit plate 31 is matched with the floating plate 33, the isolation assembly arranged in the exhaust pipe 24 can avoid the problem of backflow of the treatment liquid 14, and simultaneously avoid the problem of massive evaporation of the treatment liquid 14 into the induced draft fan 2.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a portable laboratory tail gas processing apparatus, includes purifying box (1), its characterized in that: an air suction device, a first filtering assembly and a second filtering assembly are arranged in the purifying box (1), and tail gas is sequentially sent into the first filtering assembly and the second filtering assembly by the air suction device to be treated;

the air purifier is characterized in that a partition plate (11) which divides the purifying box (1) into a left part and a right part is installed in the purifying box (1), a supporting plate (12) which divides the purifying box (1) into an upper part and a lower part is installed at the middle part of the right side of the partition plate (11), an air suction device is installed on the supporting plate (12), the air suction device comprises an induced draft fan (2) and an exhaust pipe (24), the induced draft fan (2) is installed in the purifying box (1) above the supporting plate (12), the exhaust pipe (24) is connected with an air outlet of the induced draft fan (2), a first filtering component is installed below the supporting plate (12), the exhaust pipe (24) penetrates through the supporting plate (12) to enter the first filtering component, and a second filtering component is installed in the purifying box (1) on the left side of the partition plate (11);

blast pipe (24) in install the isolation subassembly, the isolation subassembly include spacing ring (32), limiting plate (31) and floating plate (33), spacing ring (32) and limiting plate (31) fixed mounting on the inner wall of blast pipe (24), and limiting ring (32) are located the below of limiting plate (31), blast pipe (24) vertical setting, floating plate (33) movable mounting in blast pipe (24) between spacing ring (32) and limiting plate (31), floating plate (33) be equipped with a plurality of through-hole (34) and bump (35) on the surface, limiting plate (31) on also be equipped with a plurality of through-hole (34) and bump (35), limiting plate (31) on through-hole (34) cooperate with bump (35) on floating plate (33), bump (35) on limiting plate (31) cooperate with through-hole (34) on floating plate (33), when the limit plate (31) is engaged with the floating plate (33), the through hole (34) in the limit plate (31) and the floating plate (33) is sealed.

2. The portable laboratory exhaust treatment device according to claim 1, wherein: the air suction device further comprises an air inlet pipe (21), an L-shaped guide pipe (22) and an air collecting hood (23), the air inlet pipe (21) penetrates through the air inlet of the purifying box (1) and the draught fan (2) to be connected, one end of the L-shaped guide pipe (22) is installed in the air inlet pipe (21) in a damping mode, and the air collecting hood (23) is fixedly connected to the other end of the L-shaped guide pipe (22).

3. The portable laboratory exhaust treatment device according to claim 1, wherein: first filtering component include orifice plate (13) and treatment fluid (14), the density of floating plate (33) be less than the density of treatment fluid (14), orifice plate (13) fixed mounting in purifying box (1) middle part of backup pad (12) below, the bottom of blast pipe (24) pass orifice plate (13), treatment fluid (14) hold in purifying box (1) of backup pad (12) below, and the liquid level of treatment fluid (14) is located the top of orifice plate (13), and still be equipped with the air vent on liquid level top and baffle (11) of backup pad (12) below.

4. The portable laboratory exhaust treatment device according to claim 3, wherein: the purification box is characterized in that a liquid inlet (25) and a liquid outlet (26) are further formed in the right box wall of the purification box (1) below the supporting plate (12), and sealing plugs (19) are mounted on the liquid inlet (25) and the liquid outlet.

5. The portable laboratory exhaust treatment device according to claim 1, wherein: the second filtering component comprises an adsorbing material (4), a vertical screen plate (15) and a transverse screen plate (16), the vertical screen plate (15) is fixedly arranged in the purification box (1) at the left side of the clapboard (11), and is arranged in parallel with the clapboard (11) and is not contacted with the clapboard (11), the transverse screen plate (16) is fixedly arranged at the lower part of the purification box (1) at the left side of the vertical screen plate (15), the adsorbing material (4) is filled in a space formed by the horizontal screen plate (16), the vertical screen plate (15) and the left side of the purifying box (1), the horizontal screen plate (16) is not contacted with the bottom of the purifying box (1), and a sewage draining hole is arranged on the left box wall of the purifying box (1) below the transverse net plate (16), the sewage draining hole is provided with a sealing plug (19), and the wall of the purifying box (1) at the left side of the adsorbing material (4) is provided with an air outlet (18).

6. The portable laboratory exhaust treatment device according to claim 5, wherein: the top of the purification box (1) above the adsorption material (4) is also provided with a sealing cover (17).