CN222624162U

CN222624162U - A device for collecting and treating VOCs gas in coal coking wastewater pool

Info

Publication number: CN222624162U
Application number: CN202421349792.9U
Authority: CN
Inventors: 李光学; 李远振; 刘树军; 黄艳辉
Original assignee: Hebei Zongheng Group Fengnan Steel Co Ltd
Current assignee: Hebei Zongheng Group Fengnan Steel Co Ltd
Priority date: 2024-06-14
Filing date: 2024-06-14
Publication date: 2025-03-18
Anticipated expiration: 2034-06-14

Abstract

The utility model belongs to the field of coal coking waste technology, and is particularly a device for collecting and treating VOCs gas in coal coking wastewater pools. In view of the fact that the existing equipment is not provided with a discarded secondary reflux structure, when the treated gas does not meet the standard, it must be discharged into the atmosphere, causing environmental pollution. The following scheme is proposed, which includes a treatment box, a filter structure is provided inside the treatment box, and a liquid supply structure is provided at the bottom of the treatment box. The filter structure includes six support plates symmetrically welded to both sides of the inside of the treatment box, and the tops of the top two of the six support plates are bolted with filter plates. The utility model realizes real-time gas concentration detection by arranging a detector inside the exhaust port. Once the gas concentration is detected to be substandard, the gas is transported to the gas collection port through the reflux pipe to realize secondary treatment, effectively improve the quality of the exhaust gas, and avoid environmental pollution.

Description

Collecting and treating device for VOCs gas in coal coking wastewater tank

Technical Field

The utility model relates to the technical field of coal coking waste, in particular to a collecting and treating device for VOCs gas in a coal coking waste water tank.

Background

VOCs are various organic compounds having boiling points of 50 ℃ to 260 ℃ at normal temperature. VOCs are generally classified into non-methane hydrocarbons, oxygenated organic compounds, halogenated hydrocarbons, hydrogen-containing organic compounds, sulfur-containing organic compounds, and the like. VOCs are involved in the formation of ozone and secondary aerosols in the atmospheric environment, which have an important impact on regional atmospheric ozone pollution, PM2.5 pollution. Most VOCs have unpleasant and characteristic odors, and are toxic, irritating, teratogenic and carcinogenic, especially benzene, toluene and formaldehyde, which can cause serious harm to human health. VOCs are important precursors for causing city dust haze and photochemical smog, and are mainly derived from the processes of coal chemical industry, petrochemical industry, fuel coating manufacturing, solvent manufacturing and use and the like.

The patent with the retrieval publication number of CN216801037U discloses a collecting and processing device for VOCs gas in a coal coking wastewater pond, which comprises a pond arranged horizontally, wherein a cross beam is horizontally arranged at the center position of the top end of the pond, a gas collecting pipeline and a water inlet pipeline are arranged at the top end of the cross beam, a draught fan is arranged on the gas collecting pipeline, and folding waterproof cloth is connected at the two side positions of the cross beam.

The existing equipment is not provided with a waste secondary reflux structure, and when the treated gas does not reach the standard, the treated gas also needs to be discharged to the atmosphere to pollute the environment, so that the collection and treatment device for the VOCs gas in the coal coking wastewater pool is provided for solving the problems.

Disclosure of utility model

The utility model aims to solve the defect that gas cannot be processed secondarily, and provides a collecting and processing device for VOCs gas in a coal coking wastewater tank.

In order to achieve the aim, the utility model adopts the following technical scheme that the collecting and processing device for the VOCs gas in the coal coking wastewater pool comprises a processing box, wherein a filtering structure is arranged in the processing box, and a liquid supply structure is arranged at the bottom end of the processing box;

The filter structure comprises six bearing plates symmetrically welded at two sides of the interior of the treatment box, wherein a first filter plate is arranged at the top of two bearing plates at the top of the six bearing plates through bolts, a second filter plate is arranged at the top of two bearing plates at the middle of the six bearing plates through bolts, and a third filter plate is arranged at the top of two bearing plates at the bottom of the six bearing plates through bolts;

The top welding of processing case has the gas vent, the inside grafting of gas vent has the detector, one side of gas vent just is located the bottom grafting of detector has the back flow, the other end grafting of back flow is in the inside of gas collection mouth.

Preferably, one end of the gas collection port is welded to the processing box, and the other end of the gas collection port is provided with a dustproof shield through a screw.

Preferably, a motor is fixed in the gas collection port through a support frame installed through a bolt, and a fan blade is inserted into one end, close to the dustproof separation cover, of the motor through a driving shaft.

Preferably, a waste liquid discharge port is welded at the bottom of one end of the treatment box.

Preferably, the first filter plate is made of activated carbon particles, the second filter plate is made of ceramic particles, and the third filter plate is made of fiber particle plates.

Preferably, the liquid supply structure comprises a water pump arranged at the bottom end inside the treatment box through bolts, wherein an equipartition pipe is inserted into one end of the water pump through a welded connecting pipe, and two ends of the equipartition pipe are arranged at the top end inside the treatment box through bolts.

Preferably, the bottom ends of the uniform dividing pipes are uniformly spliced with a plurality of spray heads through screw holes.

Preferably, one end of the water pump is welded with a liquid inlet.

In the utility model, the collecting and treating device for the VOCs gas in the coal coking wastewater pool comprises:

1. According to the utility model, the detector is arranged in the exhaust port to realize the gas concentration detection action in real time, and once the gas concentration is detected to be substandard, the gas is transported to the gas collecting port through the return pipe to realize the secondary treatment action, so that the quality of the exhaust gas is effectively improved, and the problem of environmental pollution is avoided;

2. According to the utility model, the three layers of filter plates are arranged to filter impurities in the polluted wastewater, so that the secondary utilization of a water source is realized, and the purposes of reducing the use cost and saving water resources are achieved.

Drawings

FIG. 1 is a schematic diagram of a collecting and treating device for VOCs gas in a coal coking wastewater tank;

Fig. 2 is a schematic structural diagram of an internal part of a collecting and treating device for the VOCs gas in a coal coking wastewater tank;

Fig. 3 is a schematic structural diagram of a portion a of a collecting and treating device for the VOCs gas in a coal coking wastewater tank.

The device comprises a treatment box 1, a filtering structure 2, a supporting plate 201, a filtering plate 202, a filtering plate 203, a filtering plate two, a filtering plate 204, a filtering plate three, a liquid supply structure 3, a liquid supply structure 301, a uniform distribution pipe 302, a spray head 303, a connecting pipe 304, a water pump 305, a liquid inlet 4, a detector 5, a return pipe 6, a gas collecting port 7, a dustproof separation cover 8, a motor 9, fan blades 10, a gas outlet 11 and a waste liquid discharge port.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, a collecting and treating device for the VOCs gas in a coal coking wastewater pool comprises a treating box 1, wherein a filtering structure 2 is arranged in the treating box 1, and a liquid supply structure 3 is arranged at the bottom end in the treating box 1;

The filter structure 2 comprises six bearing plates 201 symmetrically welded on two sides of the interior of the processing box 1, wherein a first filter plate 202 is arranged at the top of two bearing plates 201 at the top of the six bearing plates 201 through bolts, a second filter plate 203 is arranged at the top of two bearing plates 201 at the middle of the six bearing plates 201 through bolts, and a third filter plate 204 is arranged at the top of two bearing plates 201 at the bottom of the six bearing plates 201 through bolts;

The top welding of processing case 1 has gas vent 10, and the inside of gas vent 10 has pegged graft and has been detected 4, and one side of gas vent 10 just is located the bottom grafting of detector 4 and has had back flow 5, and the other end grafting of back flow 5 is in the inside of collection gas port 6.

In this embodiment, one end of the gas collecting port 6 is welded to the processing box 1, and the other end of the gas collecting port 6 is provided with a dust-proof shield 7 by screws.

By adopting the scheme, one end of the gas collecting port 6 is welded to the processing box 1, and the other end of the gas collecting port 6 is provided with the dustproof shield 7 through the screw, so that gas collecting action through the gas collecting port 6 is realized.

In the embodiment, a motor 8 is fixed in the air collecting port 6 through a support frame mounted by bolts, and a fan blade 9 is inserted into one end of the motor 8, which is close to the dustproof separation cover 7, through a driving shaft.

By adopting the scheme, the motor 8 is fixed on the support frame installed in the air collecting port 6 through the bolts, the fan blade 9 is inserted into one end, close to the dustproof separation cover 7, of the motor 8 through the driving shaft, the synchronous rotation of the fan blade 9 is controlled through the motor 8, and the ventilation and absorption efficiency is effectively improved.

In this embodiment, a waste liquid discharge port 11 is welded to the bottom of one end of the treatment tank 1.

By adopting the scheme, the purpose of discharging the waste liquid is achieved by welding the waste liquid discharge port 11 at the bottom of one end of the treatment box 1.

In this embodiment, filter one 202 is made of activated carbon particles, filter two 203 is made of ceramic particles, and filter three 204 is made of fiber particle plates.

By adopting the scheme, the first filter plate 202 is manufactured through activated carbon particles, the second filter plate 203 is manufactured through ceramic particles, and the third filter plate 204 is manufactured through fiber particle plates, so that the layer-by-layer filtering capability is realized.

In this embodiment, the liquid supply structure 3 includes a water pump 304 mounted at the bottom end of the inside of the processing box 1 by bolts, one end of the water pump 304 is plugged with an equalizing pipe 301 by a welded connecting pipe 303, and two ends of the equalizing pipe 301 are mounted at the top end of the inside of the processing box 1 by bolts.

By adopting the scheme, the water pump 304 is used for supplying water to the equipartition pipe 301 by inserting the equipartition pipe 301 into one end of the water pump 304 through the welded connection pipe 303, and two ends of the equipartition pipe 301 are mounted on the top end inside the treatment box 1 through bolts.

In this embodiment, the bottom end of the dividing pipe 301 is uniformly inserted with a plurality of spray heads 302 through screw holes, and one end of the water pump 304 is welded with a liquid inlet 305.

By adopting the scheme, the bottom end of the uniform distribution pipe 301 is uniformly connected with a plurality of spray heads 302 in an inserted mode through screw holes, one end of the water pump 304 is welded with a liquid inlet 305, the purpose of uniformly spraying liquid is achieved, and the neutralization efficiency is effectively improved.

In the utility model, when the device is used, the motor 8 controls the fan blades 9 to rotate to generate suction force, external VOCs gas is collected to the treatment box 1, the water pump 304 pumps liquid at the bottom end inside the treatment box 1 to the uniform distribution pipe 301, the liquid is sprayed out through the plurality of spray heads 302 to be neutralized with the gas, the treated gas is discharged through the exhaust port 10, once the detector 4 detects that the concentration of the gas does not reach the standard, the gas is refluxed through the reflux pipe 5, and the waste liquid is filtered layer by layer through the first filter plate 202, the second filter plate 203 and the third filter plate 204, so that the secondary use of the liquid is realized.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics 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.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. A device for collecting and treating VOCs gas in a coal coking wastewater pool, comprising a treatment box (1), characterized in that a filtering structure (2) is arranged inside the treatment box (1), and a liquid supply structure (3) is arranged at the bottom of the treatment box (1);

The filtering structure (2) comprises six supporting plates (201) symmetrically welded to two sides of the inside of the processing box (1); the tops of the two top supporting plates (201) among the six supporting plates (201) are equipped with filter plates 1 (202) by bolts, the tops of the two middle supporting plates (201) among the six supporting plates (201) are equipped with filter plates 2 (203) by bolts, and the tops of the two bottom supporting plates (201) among the six supporting plates (201) are equipped with filter plates 3 (204) by bolts;

An exhaust port (10) is welded to the top of the processing box (1), a detector (4) is plugged into the interior of the exhaust port (10), a return pipe (5) is plugged into one side of the exhaust port (10) and at the bottom of the detector (4), and the other end of the return pipe (5) is plugged into the interior of the gas collecting port (6).

2. A device for collecting and treating VOCs gas in a coal coking wastewater pool according to claim 1, characterized in that one end of the gas collecting port (6) is welded to the treatment box (1), and the other end of the gas collecting port (6) is installed with a dustproof cover (7) by screws.

3. A device for collecting and treating VOCs gas in a coal coking wastewater pool according to claim 2, characterized in that a motor (8) is fixed to the interior of the gas collecting port (6) via a support frame installed by bolts, and a fan blade (9) is inserted at one end of the motor (8) close to the dustproof cover (7) through a driving shaft.

4. A device for collecting and treating VOCs gas in a coal coking wastewater pool according to claim 1, characterized in that a waste liquid outlet (11) is welded to the bottom of one end of the treatment box (1).

5. The device for collecting and treating VOCs gas in a coal coking wastewater pool according to claim 1, characterized in that the filter plate 1 (202) is made of activated carbon particles, the filter plate 2 (203) is made of ceramic particles, and the filter plate 3 (204) is made of a fiber particle board.

6. A device for collecting and treating VOCs gas in a coal coking wastewater pool according to claim 1, characterized in that the liquid supply structure (3) includes a water pump (304) installed at the bottom end of the treatment box (1) by bolts, one end of the water pump (304) is connected to an equalizing pipe (301) through a welded connecting pipe (303), and both ends of the equalizing pipe (301) are installed at the top end of the treatment box (1) by bolts.

7. A device for collecting and treating VOCs gas in a coal coking wastewater pool according to claim 6, characterized in that a plurality of nozzles (302) are evenly connected to the bottom end of the averaging pipe (301) through screw holes.

8. The device for collecting and treating VOCs gas in a coal coking wastewater pool according to claim 6, characterized in that a liquid inlet (305) is welded to one end of the water pump (304).