CN216703826U

CN216703826U - Exhaust-gas treatment is with discharging quality monitoring devices

Info

Publication number: CN216703826U
Application number: CN202122763531.4U
Authority: CN
Inventors: 谢云峰; 许东; 王进; 陈柱
Original assignee: Yung Chi Paint & Varnish Manufacturing (kunshan) Co ltd
Current assignee: Yung Chi Paint & Varnish Manufacturing (kunshan) Co ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-06-10
Anticipated expiration: 2031-11-12

Abstract

The utility model discloses an emission quality monitoring device for waste gas treatment, which comprises a main body, and an air inlet pipe and an air outlet pipe which are arranged on the main body, wherein an end cover is arranged at the upper end of the main body, a liquid inlet pipe is arranged on the end cover, the lower end of the liquid inlet pipe extends to the bottom of the main body, a formaldehyde filter screen and a gas collecting hood are sequentially arranged on the outer wall of the liquid inlet pipe from bottom to top, a liquid discharge pipe is arranged at the lower end of the main body, the air inlet pipe is arranged at one side of the main body, a first exhaust pipe, a second exhaust pipe and a third exhaust pipe are arranged at the end of the air inlet pipe, and the ends of the first exhaust pipe, the second exhaust pipe and the third exhaust pipe are all communicated with the interior of the main body. According to the utility model, the dust and formaldehyde in the gas are monitored by the dust monitoring sensor and the formaldehyde gas sensor, and the gas is treated differently according to different monitoring results, so that the waste gas treatment efficiency can be effectively improved.

Description

Exhaust-gas treatment is with discharging quality monitoring devices

Technical Field

The utility model relates to the technical field related to waste gas detection, in particular to an emission quality monitoring device for waste gas treatment.

Background

A large amount of waste gas can be produced in paint production, a large amount of volatile organic compounds are contained, the waste gas mainly comprises benzene, methylbenzene, dimethylbenzene, methyl ethyl ketone and the like, the waste gas is extremely harmful to human bodies and even has carcinogenic danger, some waste gas also has reproductive toxicity, damage caused by genetic substances of organisms can be accumulated through heredity, and influence is also produced on later generations, so that the waste gas in the paint is removed, the waste gas is very important in the paint production process, therefore, in order to ensure safety, in the paint production process, the produced waste gas can be treated, the treated waste gas is monitored, and the waste gas is discharged after being detected to be qualified.

The prior art has the following defects: 1. in the monitoring process, for different substances exceeding the standard in the waste gas, the gas is led to the source of the device for retreatment, so that the whole waste gas treatment efficiency is greatly reduced; 2. the inside of the device is easy to have particle residues, and the filtering equipment inside is inconvenient to clean and replace.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an emission quality monitoring device for exhaust gas treatment to solve the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme: a discharge quality monitoring device for waste gas treatment comprises a main body, an air inlet pipe and an air outlet pipe, wherein the air inlet pipe and the air outlet pipe are arranged on the main body, an end cover is arranged at the upper end of the main body, a liquid inlet pipe is arranged on the end cover, the lower end of the liquid inlet pipe extends to the bottom of the main body, a formaldehyde filter screen and a gas collecting hood are sequentially arranged on the outer wall of the liquid inlet pipe from bottom to top, a liquid discharge pipe is arranged at the lower end of the main body, the air inlet pipe is arranged at one side of the main body, a first exhaust pipe, a second exhaust pipe and a third exhaust pipe are arranged at the end of the air inlet pipe, the end of the first exhaust pipe, the end of the second exhaust pipe and the end of the third exhaust pipe are all communicated with the interior of the main body, a first electromagnetic valve, a second electromagnetic valve and a third electromagnetic valve are correspondingly arranged at the ends of the first exhaust pipe, the second exhaust pipe and the air outlet pipe are arranged at one side of the liquid inlet pipe, the lower end port of the air outlet pipe is flush with the lower surface of the gas collecting hood, and an exhaust valve is installed at the upper end of the air outlet pipe.

As a further preferred of this technical scheme, the end department of first blast pipe, second blast pipe is provided with dust monitoring sensor, formaldehyde gas sensor through the installation pole respectively.

As a further preferred aspect of the present invention, the bottom of the inner side of the main body is filled with an absorption liquid through a liquid inlet pipe, and the absorption liquid submerges the port of the first exhaust pipe.

As a further preferred aspect of the present technical solution, the formaldehyde filter screen is located between the second exhaust pipe and the third exhaust pipe, and the gas collecting hood is located above a port of the third exhaust pipe.

As a further preferred aspect of the present technical solution, a drying box is provided above the exhaust valve at the upper end of the air outlet pipe, and the drying box is filled with a granular desiccant.

As a further preferred of the technical scheme, the liquid inlet pipe is arranged in the middle of the end cover, and a spray head is arranged at the lower end port of the liquid inlet pipe.

As a further preferred option of the technical scheme, a gas permeable baffle is arranged at the bottom of the liquid inlet pipe, the gas permeable baffle is immersed in the absorption liquid, and a plurality of gas permeable holes are formed in the gas permeable baffle.

The utility model provides an emission quality monitoring device for waste gas treatment, which has the following beneficial effects:

(1) according to the utility model, the first exhaust pipe, the second exhaust pipe and the third exhaust pipe are arranged at the lower end of the air inlet pipe, the dust monitoring sensor and the formaldehyde gas sensor are respectively arranged at the ends of the first exhaust pipe and the second exhaust pipe, the dust monitoring sensor and the formaldehyde gas sensor are combined with the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve to monitor dust and formaldehyde in the gas, the gas is subjected to different treatments according to different monitoring results, and the waste gas treatment efficiency can be effectively improved.

(2) According to the utility model, the end cover is arranged at the upper end of the main body, the liquid inlet pipe and the gas outlet pipe are arranged on the end cover, and the formaldehyde filter screen, the breathable baffle and the gas collecting hood are arranged on the liquid inlet pipe, so that the formaldehyde filter screen in the main body can be quickly replaced by disassembling the end cover, and meanwhile, the spray head is arranged at the lower end of the liquid inlet pipe, so that the bottom of the inner side of the main body can be conveniently and quickly cleaned.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the main body of the present invention;

FIG. 3 is a schematic view showing the installation of the dust monitoring sensor and the formaldehyde gas sensor according to the present invention;

fig. 4 is a top view of the air-permeable baffle of the present invention.

In the figure: 1. a main body; 2. an air inlet pipe; 3. an air outlet pipe; 4. an end cap; 5. a liquid inlet pipe; 6. a formaldehyde filter screen; 7. a gas-collecting hood; 8. a liquid discharge pipe; 9. a first exhaust pipe; 10. a second exhaust pipe; 11. a third exhaust pipe; 12. a first solenoid valve; 13. a second solenoid valve; 14. a third electromagnetic valve; 15. a dust monitoring sensor; 16. a formaldehyde gas sensor; 17. a drying oven; 18. a breathable baffle; 19. mounting a rod; 20. a spray head; 21. and (4) air holes.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-4, the present invention provides the technical solution: the utility model provides a waste gas treatment is with discharging quality monitoring devices, includes main part 1 and intake pipe 2, the outlet duct 3 of setting in main part 1, the upper end of main part 1 is provided with end cover 4, install feed liquor pipe 5 on the end cover 4, the lower extreme of feed liquor pipe 5 extends to the bottom of main part 1, formaldehyde filter screen 6, gas collecting channel 7 are installed by supreme down in proper order to the outer wall of feed liquor pipe 5, fluid-discharge tube 8 is installed to the lower extreme of main part 1, one side at main part 1 is installed to intake pipe 2, the end department of intake pipe 2 is provided with first blast pipe 9, second blast pipe 10, third blast pipe 11, the end department of first blast pipe 9, second blast pipe 10, third blast pipe 11 all communicates with the inside of main part 1, the end department of first blast pipe 9, second blast pipe 10, third blast pipe 11 corresponds respectively and installs first solenoid valve 12, The gas outlet pipe 3 is arranged on one side of the liquid inlet pipe 5, the lower end port of the gas outlet pipe 3 is flush with the lower surface of the gas collecting hood 7, and an exhaust valve is mounted at the upper end of the gas outlet pipe 3.

In this embodiment, specifically: the end department of first blast pipe 9, second blast pipe 10 is provided with dust monitoring sensor 15, formaldehyde gas sensor 16 through installation pole 19 respectively, is connected dust monitoring sensor 15, formaldehyde gas sensor 16 all with outside controlgear, sends the data of monitoring for controlgear to carry out effectual control to first solenoid valve 12, second solenoid valve 13, third solenoid valve 14 and discharge valve by controlgear.

Wherein the dust monitoring sensor is DSM501A, and the formaldehyde gas sensor 16 is ZE08-CH 2O.

In this embodiment, specifically: the inboard bottom of main part 1 has injected into the absorption liquid through feed liquor pipe 5, the port that first exhaust pipe 9 is drowned to the absorption liquid, the absorption liquid specifically can be water, wherein submerges the port of first exhaust pipe 9 with the absorption liquid, and the effectual waste gas homoenergetic who has guaranteed to get into through first exhaust pipe 9 washes to effectively get rid of the particulate matter in the waste gas.

In this embodiment, specifically: the formaldehyde filter screen 6 is arranged between the second exhaust pipe 10 and the third exhaust pipe 11, and the gas collecting hood 7 is arranged above the port of the third exhaust pipe 11, so that waste gas entering through the second exhaust pipe 10 is effectively filtered through the formaldehyde filter screen 6, and gas entering through the third exhaust pipe 11 is directly discharged through the outlet pipe 3, and thus the waste gas is conveniently subjected to differential treatment.

In this embodiment, specifically: the upper end of outlet duct 3 is provided with drying cabinet 17 in the top of discharge valve, the inside packing of drying cabinet 17 has the granule drier, makes the gaseous process granule drier of main part 1 of final discharge to carry out effectual drying to gas.

In this embodiment, specifically: feed liquor pipe 5 sets up the middle part at end cover 4, the lower extreme port department of feed liquor pipe 5 is provided with shower nozzle 20, uses the back for a long time, when injecting the absorption liquid into main part 1 inside through feed liquor pipe 5, the absorption liquid passes through shower nozzle 20 blowout, washs the lower extreme inner wall of main part 1 all around.

In this embodiment, specifically: the bottom of feed liquor pipe 5 is provided with ventilative baffle 18, ventilative baffle 18 submergence is in the absorption liquid, a plurality of bleeder vent 21 has been seted up on ventilative baffle 18, and after waste gas got into main part 1 inside through first exhaust pipe 9, ventilative baffle 18 produced certain separation to the circulation of waste gas, and the detention time of extension waste gas in the absorption liquid improves the absorption effect to waste gas, and waste gas is finally discharged from bleeder vent 21.

Working principle, when using, be connected the upper end of intake pipe 2 with outside exhaust-gas treatment device gas outlet, and pour into the absorption liquid into to the inside of main part 1 through feed liquor pipe 5, and with first solenoid valve 12, second solenoid valve 13, third solenoid valve 14 and discharge valve, dust monitoring sensor 15, formaldehyde gas sensor 16 all is connected with outside controlgear, at first-time, first solenoid valve 12, second solenoid valve 13, third solenoid valve 14 and discharge valve all are in the closed condition, after gaseous entering, carry out real-time supervision through dust monitoring sensor 15, formaldehyde gas sensor 16 respectively to dust and formaldehyde in the gas.

When the values monitored by the dust monitoring sensor 15 and the formaldehyde gas sensor 16 are both in the set range, the external control equipment controls the first electromagnetic valve 12 and the second electromagnetic valve 13 to be closed, and the third electromagnetic valve 14 and the exhaust valve to be opened, so that gas directly enters the main body 1 through the third exhaust pipe 11 and is exhausted to the outside through the exhaust pipe;

when the monitoring numerical value of the dust monitoring sensor 15 exceeds the standard, the monitoring of the formaldehyde gas sensor 16 is qualified, or the monitoring numerical values of the dust monitoring sensor 15 and the monitoring numerical value of the formaldehyde gas sensor 16 are not qualified, the first electromagnetic valve 12 and the exhaust valve are opened, and the second electromagnetic valve 13 and the third electromagnetic valve 14 are closed, so that gas enters the main body 1 through the first exhaust pipe 9, and is washed by absorption liquid in the main body 1 to remove dust particles in the gas;

when the dust monitoring sensor 15 monitors qualified, the formaldehyde gas sensor 16 monitors unqualified, the second electromagnetic valve 13 and the exhaust valve are opened, the first electromagnetic valve 12 and the third electromagnetic valve 14 are closed, so that the gas enters the main body through the second exhaust pipe 10, and the formaldehyde in the gas is effectively filtered through the formaldehyde filter screen 6.

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 emission quality monitoring device for waste gas treatment is characterized by comprising a main body (1), an air inlet pipe (2) and an air outlet pipe (3), wherein the air inlet pipe (2) and the air outlet pipe (3) are arranged on the main body (1), an end cover (4) is arranged at the upper end of the main body (1), a liquid inlet pipe (5) is installed on the end cover (4), the lower end of the liquid inlet pipe (5) extends to the bottom of the main body (1), a formaldehyde filter screen (6) and a gas collecting hood (7) are sequentially installed on the outer wall of the liquid inlet pipe (5) from bottom to top, a liquid discharge pipe (8) is installed at the lower end of the main body (1), the air inlet pipe (2) is installed at one side of the main body (1), a first exhaust pipe (9), a second exhaust pipe (10) and a third exhaust pipe (11) are arranged at the end of the air inlet pipe (2), the first exhaust pipe (9), the second exhaust pipe (10) and the third exhaust pipe (11) are communicated with the interior of the main body (1), the exhaust system is characterized in that the end parts of the first exhaust pipe (9), the second exhaust pipe (10) and the third exhaust pipe (11) are respectively and correspondingly provided with a first electromagnetic valve (12), a second electromagnetic valve (13) and a third electromagnetic valve (14), the outlet pipe (3) is arranged on one side of the liquid inlet pipe (5), the lower end port of the outlet pipe (3) is parallel and level with the lower surface of the gas collecting hood (7), and the upper end of the outlet pipe (3) is provided with an exhaust valve.

2. The emission quality monitoring device for exhaust gas treatment according to claim 1, wherein: the end parts of the first exhaust pipe (9) and the second exhaust pipe (10) are respectively provided with a dust monitoring sensor (15) and a formaldehyde gas sensor (16) through an installation rod (19).

3. The emission quality monitoring device for exhaust gas treatment according to claim 1, wherein: the inside bottom of main part (1) has injected into absorption liquid through feed liquor pipe (5), the port of first blast pipe (9) is submerged to the absorption liquid.

4. The emission quality monitoring device for exhaust gas treatment according to claim 1, wherein: the formaldehyde filter screen (6) is arranged between the second exhaust pipe (10) and the third exhaust pipe (11), and the gas collecting hood (7) is arranged above the port of the third exhaust pipe (11).

5. The emission quality monitoring device for exhaust gas treatment according to claim 1, wherein: the upper end of the air outlet pipe (3) is provided with a drying box (17) above the exhaust valve, and the drying box (17) is filled with a granular drying agent.

6. The emission quality monitoring device for exhaust gas treatment according to claim 1, wherein: feed liquor pipe (5) set up the middle part at end cover (4), the lower port department of feed liquor pipe (5) is provided with shower nozzle (20).

7. The emission quality monitoring device for exhaust gas treatment according to claim 3, wherein: the bottom of the liquid inlet pipe (5) is provided with a ventilating baffle plate (18), the ventilating baffle plate (18) is immersed in the absorption liquid, and a plurality of ventilating holes (21) are formed in the ventilating baffle plate (18).