CN215962653U - Waste gas filtering equipment - Google Patents

Abstract

The utility model discloses waste gas filtering equipment which comprises a structural main body, wherein the structural main body comprises a cylinder, the upper end surface of the cylinder is provided with a gas inlet, the inner side of the cylinder is provided with a first filtering chamber and a second filtering chamber which are arranged up and down, a partition plate is arranged between the first filtering chamber and the second filtering chamber, and the central part of the partition plate is provided with through holes which are distributed at equal intervals; the buffer chamber is arranged at the tail end of the filtering equipment, and the gas detector is arranged, so that whether the exhaust emission meets the emission requirement can be strictly controlled, and the filtering effect is ensured; when the gas does not meet the emission requirement, the gas which does not meet the requirement is introduced to the starting point again through the return pipe to carry out the filtration cycle again until the gas meets the emission requirement; meanwhile, the three steps of gas detection, gas emission and gas backflow can be automatically carried out, manual intervention is not needed, and the personnel cost is reduced.

Description

Waste gas filtering equipment

Technical Field

The utility model relates to the field of waste gas treatment, in particular to waste gas filtering equipment.

Background

Along with the development of industry, the environmental pollution problem is more and more serious, and most cities in China are affected by haze weather, so that the health of people is seriously affected. The generation of haze is mainly caused by the large amount of emission of industrial waste gas. The waste gas generated in industrial production contains a lot of fine particles harmful to the body and the environment, and the gas is directly discharged into the air without being filtered to cause serious air pollution, such as paint mist, dust and the like generated by spray painting in industrial production. Air pollution has become an important factor for restricting the development of the industry in China in the future.

Various pollutant-containing gases discharged into the air in the fuel combustion and production process of an enterprise factory are collectively called industrial waste gas, the air can be polluted, the substances enter the human body through different paths and respiratory tracts, some substances directly cause harm, some substances have an accumulation effect, the health of people can be seriously harmed, and different substances have different influences; therefore, in recent years, countries begin to strictly regulate the amount of industrial waste gas discharged from plants, resulting in the need for enterprises to use waste gas filtering devices to treat industrial waste gas before discharge.

The method mainly comprises the steps of degrading organic pollutants and malodorous substances in the waste gas by using microorganisms and converting the organic pollutants and the malodorous substances into harmless or low-molecular compounds, and particularly comprises the step of enabling industrial waste gas to be treated to sequentially pass through various microorganisms of different types to achieve the purification effect, wherein incomplete reaction often occurs due to too short contact area and time, so that the finally discharged waste gas is not in accordance with the emission requirement.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides exhaust gas filtering equipment which can solve the problems in the background art.

The technical scheme adopted by the utility model for solving the technical problems is as follows: an exhaust gas filtering device comprises a structure main body, wherein the structure main body comprises a cylinder, an air inlet is formed in the upper end face of the cylinder, a first filtering chamber and a second filtering chamber which are vertically arranged are formed in the inner side of the cylinder, a partition plate is arranged between the first filtering chamber and the second filtering chamber, and through holes which are distributed at equal intervals are formed in the center of the partition plate;

the gas sampling device comprises a barrel, a gas sampling chamber, a gas detector, a data processor, a baffle plate, a driving motor, a data processor, a gas sampling chamber, a data processor, a first exhaust port, a second exhaust port, sliding guide rails, a baffle plate, a driving motor and a second exhaust port, wherein the buffering chamber is arranged at the lower end of the barrel, the sampling chamber is arranged at the left side of the buffering chamber, the data processor is arranged at the front end face of the buffering chamber, the gas detector is electrically connected with the data processor, the first exhaust port and the second exhaust port are arranged at one side of the buffering chamber, which is far away from the sampling chamber, the sliding guide rails are connected in a sliding mode, the driving motor is connected with the data processor in a driving mode;

the first exhaust port is connected with an exhaust pipe, the other end of the exhaust pipe is communicated with the external environment, the second exhaust port is connected with a return pipe, and the other end of the return pipe is communicated with the first filtering chamber.

Furthermore, filter screens which are arranged at equal intervals are arranged in the first filter chamber, and the filter screens are fixedly connected with the inner wall of the first filter chamber;

further, a strip-shaped cleaning brush is arranged at the upper end of the filter screen, bristles of the cleaning brush are in contact with the filter screen, a telescopic rod is fixedly arranged on the inner wall of the first filter chamber, a driving end of the telescopic rod is in assembly connection with the cleaning brush, a driving cylinder is arranged at one end, away from the cleaning brush, of the telescopic rod, and the driving cylinder is in driving connection with the telescopic rod;

further, the second filter chamber is filled with adsorption filler;

further, air intake department is equipped with air exhaust device, air exhaust device comprises extraction fan, the pipe of plugging into and exhaust tube, the upper and lower end of extraction fan is equipped with air intake and air outlet respectively, the both ends of the pipe of plugging into respectively with air outlet and air inlet are connected, the exhaust tube is for leaking hopper-shaped, the lower extreme of exhaust tube with air intake connection.

Compared with the prior art, the utility model has the beneficial effects that: according to the waste gas filtering equipment, the buffer chamber is arranged at the tail end of the filtering equipment, the gas detector is arranged, whether waste gas emission meets the emission requirement or not can be strictly controlled, and the filtering effect is ensured; when the gas does not meet the emission requirement, the gas which does not meet the requirement is introduced to the starting point again through the return pipe to carry out the filtration cycle again until the gas meets the emission requirement; meanwhile, the three steps of gas detection, gas emission and gas backflow can be automatically carried out, manual intervention is not needed, and the personnel cost is reduced.

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 present invention;

fig. 3 is a right side view of the present invention.

Reference numbers in the figures: 1-a cylinder body; 2-an air inlet; 3-a first filtration chamber; 4-a second filtration chamber; 5-a separator; 6-a buffer chamber; 7-a sampling chamber; 8-a gas detector; 9-a data processor; 10-a first exhaust port; 11-a second exhaust port; 12-a sliding guide; 13-a baffle; 14-a drive motor; 15-an exhaust pipe; 16-a return conduit; 17-a filter screen; 18-a cleaning brush; 19-a telescopic rod; 20-a driving cylinder; 21-an adsorbent packing; 22-a suction fan; 23-a docking tube; 24-an extraction tube; 25-air inlet; 26-air outlet.

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.

An exhaust gas filtering apparatus of the present invention is described in detail below with reference to fig. 1 to 3: an exhaust gas filtering device comprises a structure main body, wherein the structure main body comprises a cylinder body 1, an air inlet 2 is arranged on the upper end surface of the cylinder body 1, a first filtering chamber 3 and a second filtering chamber 4 which are arranged up and down are arranged on the inner side of the cylinder body 1, a partition plate 5 is arranged between the first filtering chamber 3 and the second filtering chamber 4, and through holes which are distributed at equal intervals are arranged in the center of the partition plate 5;

the lower end of the barrel body 1 is provided with a buffer chamber 6, the left side of the buffer chamber 6 is provided with a sampling chamber 7, a gas detector 8 is arranged in the sampling chamber 7, the front end face of the buffer chamber 6 is provided with a data processor 9, the gas detector 8 is electrically connected with the data processor 9, one side of the buffer chamber 6, which is far away from the sampling chamber 7, is provided with a first exhaust port 10 and a second exhaust port 11, the upper end and the lower end of the first exhaust port 10 and the lower end of the second exhaust port 11 are both provided with a sliding guide rail 12, a baffle 13 is arranged between the sliding guide rails 12 in a sliding connection manner, the upper end of the sliding guide rail 12 is provided with a driving motor 14 in a driving connection manner, and the driving motor 14 is in control connection with the data processor 9;

the first exhaust port 10 is connected with an exhaust pipe 15, the other end of the exhaust pipe 15 is communicated with the external environment, the second exhaust port 11 is connected with a return pipe 16, and the other end of the return pipe 16 is communicated with the first filtering chamber 3.

Preferably, a filter screen 17 is arranged in the first filter chamber 3 at an equal distance from top to bottom, the filter screen 17 is fixedly connected with the inner wall of the first filter chamber 3, and the filter screen 17 is used for filtering gas;

preferably, a strip-shaped cleaning brush 18 is arranged at the upper end of the filter screen 17, bristles of the cleaning brush 18 are in contact with the filter screen 17, an expansion link 19 is fixedly arranged on the inner wall of the first filter chamber 3, a driving end of the expansion link 19 is in assembly connection with the cleaning brush 18, a driving cylinder 20 is arranged at one end, away from the cleaning brush 18, of the expansion link 19, the driving cylinder 20 is in driving connection with the expansion link 19, the driving cylinder 20 drives the expansion link 19, and the expansion link 19 expands and contracts to enable the cleaning brush 18 to brush on the filter screen 17, so that the cleaning purpose is achieved;

preferably, the second filtering chamber 4 is filled with an adsorbing filler 21, the adsorbing filler 21 can be selected from activated carbon, ceramsite, compost and other fillers with strong adsorption capacity, and when the gas passes through, part of harmful substances can be adsorbed by the adsorbing filler 21;

preferably, an air extracting device is arranged at the air inlet 2, the air extracting device is composed of an air extracting fan 22, a connecting pipe 23 and an air extracting pipe 24, an air inlet 25 and an air outlet 26 are respectively arranged at the upper end and the lower end of the air extracting fan 22, two ends of the connecting pipe 23 are respectively connected with the air outlet 26 and the air inlet 2, the air extracting pipe 24 is funnel-shaped, and the lower end of the air extracting pipe 24 is connected with the air inlet 25.

The working principle is as follows: gas to be filtered enters the filtering device from a gas inlet 2 on the upper end face of the cylinder 1, the gas is sequentially filtered through a first filtering chamber 3 and a second filtering chamber 4, then the gas enters a buffer chamber 6, part of the gas enters a sampling chamber 7 on the side face of the buffer chamber 6, a gas detector 8 in the sampling chamber 7 detects the gas and feeds back a detection result to a data processor 9, and the data processor 9 controls a sliding guide rail 12 to drive a baffle 13 to slide between the sliding guide rails 12 according to the detection result;

when the gas detection result meets the discharge requirement, the baffle 13 blocks the second exhaust port 11, and the gas in the buffer chamber 6 is directly exhausted to the environment from the exhaust pipe 15 of the first exhaust port 10;

when the gas detection result meets the discharge requirement, the baffle 13 blocks the first exhaust port 10, and the gas in the buffer chamber 6 enters the first filter chamber 3 through the return pipe 16 of the second exhaust port 11 and is filtered again through the first filter chamber 3 and the second filter chamber 4.

In summary, according to the waste gas filtering device provided by the utility model, the buffer chamber is arranged at the tail end of the filtering device, and the gas detector is arranged, so that whether the waste gas emission meets the emission requirement can be strictly controlled, and the filtering effect is ensured; when the gas does not meet the emission requirement, the gas which does not meet the requirement is introduced to the starting point again through the return pipe to carry out the filtration cycle again until the gas meets the emission requirement; meanwhile, the three steps of gas detection, gas emission and gas backflow can be automatically carried out, manual intervention is not needed, and the personnel cost is reduced.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (5)

1. The waste gas filtering equipment is characterized by comprising a structural main body, wherein the structural main body comprises a cylinder, an air inlet is formed in the upper end face of the cylinder, a first filtering chamber and a second filtering chamber which are vertically arranged are arranged on the inner side of the cylinder, a partition plate is arranged between the first filtering chamber and the second filtering chamber, and through holes which are distributed at equal intervals are formed in the center of the partition plate;

the gas sampling device comprises a barrel, a gas sampling chamber, a gas detector, a data processor, a baffle plate, a driving motor, a data processor, a gas sampling chamber, a data processor, a first exhaust port, a second exhaust port, sliding guide rails, a baffle plate, a driving motor and a second exhaust port, wherein the buffering chamber is arranged at the lower end of the barrel, the sampling chamber is arranged at the left side of the buffering chamber, the data processor is arranged at the front end face of the buffering chamber, the gas detector is electrically connected with the data processor, the first exhaust port and the second exhaust port are arranged at one side of the buffering chamber, which is far away from the sampling chamber, the sliding guide rails are connected in a sliding mode, the driving motor is connected with the data processor in a driving mode;

the first exhaust port is connected with an exhaust pipe, the other end of the exhaust pipe is communicated with the external environment, the second exhaust port is connected with a return pipe, and the other end of the return pipe is communicated with the first filtering chamber.

2. An exhaust gas filtering device according to claim 1, wherein: the filter screen that the equidistance was placed from top to bottom is equipped with in the first filter chamber, the filter screen with the inner wall fixed connection of first filter chamber.

3. An exhaust gas filtering device according to claim 2, wherein: the upper end of filter screen is equipped with strip cleaning brush, cleaning brush's brush hair with the filter screen contacts, the fixed telescopic link that is equipped with of inner wall of first filter chamber, the drive end of telescopic link with cleaning brush be assembled between/be connected between, the telescopic link is kept away from cleaning brush's one end is equipped with and drives actuating cylinder, drive actuating cylinder with the telescopic link drive is connected.

4. An exhaust gas filtering device according to claim 1, wherein: and the second filter chamber is filled with adsorption filler.

5. An exhaust gas filtering device according to claim 1, wherein: the air inlet department is equipped with air exhaust device, air exhaust device comprises exhaust fan, the pipe of plugging into and exhaust tube, the upper and lower end of exhaust fan is equipped with air intake and air outlet respectively, the both ends of the pipe of plugging into respectively with air outlet and air inlet are connected, the exhaust tube is for leaking hopper-shaped, the lower extreme of exhaust tube with air intake connection.

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