CN217139927U

CN217139927U - Laboratory tail gas purification treatment device

Info

Publication number: CN217139927U
Application number: CN202220973784.6U
Authority: CN
Inventors: 韦元杰; 李晓昀; 赵薇; 韦红慧; 孙伟吉; 谭盼; 郑伟
Original assignee: Guangxi Sujing Technology Co ltd
Current assignee: Guangxi Sujing Technology Co ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-08-09
Anticipated expiration: 2032-04-25

Abstract

The utility model relates to a tail gas cleanup unit field discloses a laboratory tail gas purification unit, the power distribution box comprises a box body, box inner wall one side sets up the gas holder, the gas holder lateral wall is provided with the barometer, the gas holder top sets up the connecting pipe, the connecting pipe lower extreme runs through and the first absorption tank of fixed connection, first absorption tank one side is provided with the second absorption tank, second absorption tank one side sets up the third absorption tank, the box top sets up first circulating fan and second circulating fan, first circulating fan passes through the connecting pipe with first absorption tank, second absorption tank, third absorption tank with second circulating fan and links to each other, sets up gas density detector in the absorption tank, the inside gas detector that sets up of box. The utility model discloses in, increased the dwell time of harmful gas in tail gas purification processing apparatus, can detach the harmful substance in the tail gas completely, if the device takes place gas leakage, device automatic alarm reminds.

Description

Laboratory tail gas purification treatment device

Technical Field

The utility model relates to a tail gas cleanup unit field especially relates to a laboratory tail gas clean-up processing apparatus.

Background

The exhaust gas treatment device purifies exhaust gas under the action of a catalyst to reduce environmental pollution.

The use of the existing tail gas purification device on the market often has two disadvantages: firstly, unable detection device's gas tightness, gaseous emergence can not automatic alarm when revealing reminds, secondly can't fully purify the harmful gas in the tail gas.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a laboratory tail gas purification treatment device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a laboratory tail gas purification treatment device comprises a box body, wherein one side of the inner wall of the box body is provided with a gas storage tank, the side wall of the gas storage tank is provided with a gas inlet pipe, the side wall of the gas storage tank is provided with a barometer, the top end of the gas storage tank is provided with a connecting pipe, the lower end of the connecting pipe penetrates through and is fixedly connected with a first absorption tank, the upper end of the first absorption tank is provided with a first air absorption pipe, the upper end of the first air suction pipe is fixedly connected with a first circulating fan, one end of the first circulating fan is provided with a first air return pipe, the lower end of the first air return pipe penetrates through and is fixedly connected with a second absorption tank, the upper end of the second absorption tank is provided with a second air suction pipe, the upper end of the second air suction pipe is fixedly connected with a second circulating fan, one end of the second circulating fan is fixedly connected with a second air return pipe, the lower end of the second air return pipe is fixedly connected with a third absorption tank, and an exhaust pipe is arranged on the side wall of the third absorption tank.

As a further description of the above technical solution:

the outside of the air inlet pipe penetrates through and is fixedly connected with the box body, the outside of the exhaust pipe penetrates through and is fixedly connected with the box body, and first exhaust valves are arranged in the air inlet pipe and the exhaust pipe.

As a further description of the above technical solution:

and the bottom ends of the first circulating fan and the second circulating fan are fixedly connected with the outer wall of the top end of the box body.

As a further description of the above technical solution:

the gas concentration measuring instrument is arranged on the side walls of the first absorption tank, the second absorption tank and the third absorption tank, the bottom ends of the first absorption tank, the second absorption tank and the third absorption tank are respectively provided with a liquid discharge pipe, and the inner wall of the liquid discharge pipe is provided with a liquid discharge valve.

As a further description of the above technical solution:

the gas detector is arranged at the top end of the inner wall of the box body, the alarm lamp is arranged at the upper end of the gas detector, and the lower end of the alarm lamp is fixedly connected with the side wall of the box body.

As a further description of the above technical solution:

and a second exhaust valve is arranged inside the upper end of the connecting pipe.

As a further description of the above technical solution:

the box outer wall sets up the display screen, the display screen lower extreme is provided with control button.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, at first set up the connecting pipe through the gas holder top, the connecting pipe lower extreme runs through and the first absorption tank of fixed connection, first absorption tank one side is provided with the second absorption tank, second absorption tank one side sets up the third absorption tank, the box top sets up first circulating fan and second circulating fan, first circulating fan passes through connecting pipe and first absorption tank with second circulating fan, the second absorption tank, the third absorption tank links to each other, harmful gas's dwell time in the tail gas purification unit has been increased, handle respectively according to the characteristic of every kind of gas in the mist, if this kind of gas is not eliminated, then the mixed gas can not get into and carry out processing on next step in the next tail gas absorption tank, and can be guided back in the former tail gas absorption tank by the backward flow pipe and continue the reaction with the solution in the absorption tank, until this kind of gas is eliminated completely.

2. The utility model discloses in, set up gaseous detector through box inner wall top, gaseous detector upper end sets up the alarm lamp, and alarm lamp lower extreme fixed connection box lateral wall has detected tail gas purification processing apparatus's gas tightness, if the device takes place gas leakage, device automatic alarm reminds.

Drawings

Fig. 1 is a structural diagram of a laboratory tail gas purification treatment device provided by the utility model;

fig. 2 is a front view of a laboratory tail gas purification treatment device provided by the present invention;

fig. 3 is a schematic perspective view of the laboratory tail gas purification device provided by the present invention.

Illustration of the drawings:

1. a box body; 2. an air inlet pipe; 3. a gas storage tank; 4. a first absorption tank; 5. a second canister; 6. a third absorption tank; 7. a gas concentration measuring instrument; 8. a first exhaust valve; 9. an exhaust pipe; 10. a connecting pipe; 11. a second exhaust valve; 12. a first circulating fan; 13. a second circulating fan; 14. a first inhalation tube; 15. a first gas return pipe; 16. a second suction duct; 17. a second muffler; 18. a liquid discharge pipe; 19. a drain valve; 20. a gas detector; 21. an alarm lamp; 22. a display screen; 23. a control button; 24. a pillar; 25. a barometer.

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 "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated 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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a laboratory tail gas purification treatment device comprises a box body 1, a gas storage tank 3 is arranged on one side of the inner wall of the box body 1, a gas inlet pipe 2 is arranged on the side wall of the gas storage tank 3, a barometer 25 is arranged on the side wall of the gas storage tank 3, a connecting pipe 10 is arranged at the top end of the gas storage tank 3, the lower end of the connecting pipe 10 penetrates through and is fixedly connected with a first absorption tank 4, a first gas suction pipe 14 is arranged at the upper end of the first absorption tank 4, a first circulating fan 12 is fixedly connected at the upper end of the first gas suction pipe 14, a first air return pipe 15 is arranged at one end of the first circulating fan 12, the lower end of the first air return pipe 15 penetrates through and is fixedly connected with a second absorption tank 5, a second gas suction pipe 16 is arranged at the upper end of the second absorption tank 5, a second circulating fan 13 is fixedly connected at the upper end of the second gas suction pipe 16, a second air return pipe 17 is fixedly connected at the lower end of the second air return pipe 17, a third absorption tank 6 is provided with a gas exhaust pipe 9 on the side wall of the third absorption tank 6, the retention time of harmful gases in the tail gas purification treatment device is prolonged, the harmful gases are respectively treated according to the characteristics of each gas in the mixed gas, if the gases are not completely removed, the mixed gas cannot enter the next tail gas absorption tank to be treated next, and the mixed gas is guided back to the original tail gas absorption tank by the return pipe to continue to react with the solution in the absorption tank until the gases are completely removed.

The outer side of an air inlet pipe 2 penetrates and is fixedly connected with a box body 1, the outer side of an exhaust pipe 9 penetrates and is fixedly connected with the box body 1, a first exhaust valve 8 is arranged inside each air inlet pipe 2 and each exhaust pipe 9, the bottom ends of a first circulating fan 12 and a second circulating fan 13 are fixedly connected with the outer wall of the top end of the box body 1, the side walls of a first absorption tank 4, a second absorption tank 5 and a third absorption tank 6 are respectively provided with a gas concentration measuring instrument 7, the gas concentration measuring instrument 7 detects the concentration value of gas in the absorption tanks, the bottom ends of the first absorption tank 4, the second absorption tank 5 and the third absorption tank 6 are respectively provided with a liquid discharge pipe 18, the inner wall of the liquid discharge pipe 18 is provided with a liquid discharge valve 19, the top end of the inner wall of the box body 1 is provided with a gas detector 20, the upper end of the gas detector 20 is provided with an alarm lamp 21, the lower end of the alarm lamp 21 is fixedly connected with the side wall of the box body 1, the airtightness of the tail gas purification treatment device is detected, and if the device leaks gas, device autoalarm reminds, and connecting pipe 10 upper end is inside to be provided with

second discharge valve

11, and 1 outer wall of box sets up display screen 22, and display screen 22 lower extreme is provided with

control button

23, 1 bottom fixed connection pillar 24 of box.

The working principle is as follows: laboratory tail gas enters a gas storage tank 3 through a gas inlet pipe 2, the laboratory tail gas enters a first absorption tank 4 through a connecting pipe 10, toxic gas in the tail gas reacts with decomposition solution in the first absorption tank 4 and is replaced into other gas, the generated gas enters a second absorption tank 5 from a first gas suction pipe 14 along a first return pipe 15 through the work of a first circulating fan 12, the replaced gas continuously reacts with the decomposition solution in the second absorption tank 5 to replace other gas and solution, production gas enters a third absorption tank 6 from a second gas suction pipe 16 along a second return pipe 17 through the work of a second circulating fan 13 to continuously purify harmful gas, the purified gas is discharged from a gas exhaust pipe 9, the concentration of the harmful gas in the generated gas is detected through a gas concentration measuring instrument 7 arranged in the absorption tank, if the concentration of the harmful gas does not reach the standard, the circulating fan reversely rotates to enable the generated gas to return to the original absorption tank for continuous reaction, decomposition solution flows from fluid-discharge tube 18 in the absorption tank after purification, and the inside gaseous detector 20 that sets up of box 1 can the detection device during operation absorption tank have or not take place gas leakage, and alarm lamp 21 is connected to gaseous detector 20 upper end, and when gaseous emergence was revealed, alarm lamp 21 can light, the utility model discloses in, increased the dwell time of harmful gas in tail gas purification processing apparatus, handle respectively according to the characteristic of every kind of gas in the mist, if this kind of gas is not eliminated, then the mist can not get into and carry out processing on next step in the next tail gas absorption tank to can be led back the solution continuation reaction in the former tail gas absorption tank with the absorption tank by the return pipe, until this kind of gas is eliminated completely, detected tail gas purification processing apparatus's gas tightness, if the device takes place gas leakage, device automatic alarm reminds.

Finally, it should be noted that: 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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a laboratory tail gas clean-up processing apparatus, includes box (1), its characterized in that: the air storage tank (3) is arranged on one side of the inner wall of the box body (1), the air inlet pipe (2) is arranged on the side wall of the air storage tank (3), the barometer (25) is arranged on the side wall of the air storage tank (3), the connecting pipe (10) is arranged at the top end of the air storage tank (3), the lower end of the connecting pipe (10) penetrates through and is fixedly connected with the first absorption tank (4), the first air suction pipe (14) is arranged at the upper end of the first air suction pipe (14), the first circulating fan (12) is arranged at one end of the first circulating fan (12), the first air return pipe (15) is arranged at the lower end of the first air return pipe (15) penetrates through and is fixedly connected with the second absorption tank (5), the second air suction pipe (16) is arranged at the upper end of the second absorption tank (5), the second air suction pipe (16) is fixedly connected with the second circulating fan (13), and the second circulating fan (13) is fixedly connected with the second air return pipe (17), the lower end of the second air return pipe (17) is fixedly connected with a third absorption tank (6), and an exhaust pipe (9) is arranged on the side wall of the third absorption tank (6).

2. The laboratory tail gas purification treatment device according to claim 1, characterized in that: the air inlet pipe (2) is penetrated through and fixedly connected with the box body (1) on the outer side, the exhaust pipe (9) is penetrated through and fixedly connected with the box body (1) on the outer side, and the first exhaust valves (8) are arranged in the air inlet pipe (2) and the exhaust pipe (9).

3. The laboratory tail gas purification treatment device according to claim 1, characterized in that: the bottom ends of the first circulating fan (12) and the second circulating fan (13) are fixedly connected with the outer wall of the top end of the box body (1).

4. The laboratory tail gas purification treatment device according to claim 1, characterized in that: the gas concentration measuring instrument is characterized in that the side walls of the first absorption tank (4), the second absorption tank (5) and the third absorption tank (6) are respectively provided with a gas concentration measuring instrument (7), the bottom ends of the first absorption tank (4), the second absorption tank (5) and the third absorption tank (6) are respectively provided with a liquid discharge pipe (18), and the inner wall of the liquid discharge pipe (18) is provided with a liquid discharge valve (19).

5. The laboratory tail gas purification treatment device according to claim 1, characterized in that: the gas detector (20) is arranged on the top end of the inner wall of the box body (1), an alarm lamp (21) is arranged at the upper end of the gas detector (20), and the lower end of the alarm lamp (21) is fixedly connected with the side wall of the box body (1).

6. The laboratory tail gas purification treatment device according to claim 1, characterized in that: and a second exhaust valve (11) is arranged inside the upper end of the connecting pipe (10).

7. The laboratory tail gas purification treatment device according to claim 1, characterized in that: the outer wall of the box body (1) is provided with a display screen (22), and the lower end of the display screen (22) is provided with a control button (23).

8. The laboratory tail gas purification treatment device according to claim 1, characterized in that: the bottom end of the box body (1) is fixedly connected with a supporting column (24).