CN210814707U - Coking production exhaust treatment device - Google Patents

Abstract

The utility model discloses a coking production exhaust treatment device, including the air inlet chamber that is equipped with in proper order, cross water filter tank and filter chamber, the air inlet chamber is equipped with delivery pipe and atomising head, the bottom is equipped with the drain, the below of drain is equipped with the dirty bucket of collection, one side of the dirty bucket of collection is equipped with delivery port one, the end of air inlet chamber is equipped with air exhauster one, air exhauster one is equipped with the trachea, be equipped with the connecting pipe between the upper portion of cross water filter tank and filter chamber, be equipped with filter screen one and filter screen two in the filter chamber, cross the inlet tube that is equipped with delivery port two and takes the valve on the water filter tank, delivery port one and delivery port two are passed through the three-way valve and are put through mutually, the water outlet end of three-way valve is equipped with the blow. Compared with the prior art, the utility model the advantage lie in: the waste gas treatment is clean and comprehensive, the gas discharged into the atmosphere is ensured to be clean, and the environment and the health of people are protected.

Description

Coking production exhaust treatment device

Technical Field

The utility model relates to a waste gas treatment technical field specifically indicates a coking production exhaust treatment device.

Background

Harmful substances discharged in coking production mainly comprise coal dust, benzene soluble substances, SO2, NH3 and other harmful substances, have strong pungent smell and toxicity, and are particularly harmful to human bodies, wherein the coal dust has the highest content, and when the dust amount sucked into a respiratory system by a person reaches a certain value, rhinitis, various respiratory diseases, lung cancer and the like are easily caused; the content of harmful gases such as benzene soluble substances, SO2, NH3 and the like is low, wherein SO3 generated by SO2 is in contact with water drops under the action of sunlight, water vapor and floating dust to form acid mist, and acid rain is formed when rain occurs, SO that the harmful gases cause serious harm to bodies, animals and plants, and the like. It is therefore necessary to treat the exhaust gas from coking and then to discharge it. At present traditional coking production exhaust treatment device mainly divide into alone SOx/NOx control and jointly carries out SOx/NOx control for exhaust-gas treatment is thorough inadequately.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome above technical defect, provide a coking production exhaust treatment device, comparatively totally comprehensive to exhaust-gas treatment, guarantee to arrange the gaseous cleanness in the atmosphere, environmental protection and people's are healthy.

In order to solve the technical problem, the utility model provides a technical scheme does: a coking production waste gas treatment device comprises an air inlet chamber, a filtering water tank and a filtering chamber which are sequentially arranged, wherein a water supply pipe is arranged on the upper portion of an air inlet end of the air inlet chamber, an atomizing head is arranged on the water supply pipe, a drain outlet is arranged at the bottom of the air inlet chamber and below the atomizing head, a sewage collecting barrel is arranged below the drain outlet, a first water outlet is arranged on one side of the sewage collecting barrel, a first air exhauster is arranged at the tail end of the air inlet chamber, an air pipe communicated with the filtering water tank is arranged at an air outlet end of the first air exhauster, a connecting pipe is arranged between the filtering water tank and the upper portion of the filtering chamber, a second air exhauster is arranged in the connecting pipe, an air inlet end of the connecting pipe is communicated with the filtering water tank, an air outlet end of the connecting pipe is communicated with the filtering, the first water outlet and the second water outlet are communicated through a three-way valve, a drain pipe is arranged at the water outlet end of the three-way valve, a water pump is arranged at the upper end of the air inlet chamber, the water outlet end of the water pump is respectively communicated with a water supply pipe and a water inlet pipe, and the water inlet end of the water pump is connected with an external water source.

Compared with the prior art, the utility model the advantage lie in: waste gas generated in coking production enters an air inlet chamber under the action of a first exhaust fan, an external water source is pumped into a water supply pipe by a water pump and is sprayed out through a spray head to carry out dust fall treatment, large particles in the waste gas are removed, meanwhile, part of harmful substances such as water-soluble benzene and the like are removed, the waste gas and water flow into a sewage collection barrel from a sewage discharge outlet, the filtered waste gas reaches a filter water tank through an air pipe, small particle dust in the waste gas and the residual harmful substances such as water-soluble benzene and the like are left in the water in the filter water tank, then, the filtered gas reaches the upper part of the filter water tank, when the water in the filter water tank needs to be replaced, a three-way valve can be directly opened, and the sewage in the filter water tank and the sewage in the sewage collection barrel are all discharged into an external sewage treatment tank through a sewage discharge; under the effect of air exhauster two, take out the filter chamber through the connecting pipe with the gas in the filtration water tank, filter screen one and filter screen two in the filter chamber adsorb the pungent smell in the gas to decompose harmful substance, make the gas of discharging from the filter chamber to the external world comparatively clean, whole process is comparatively comprehensive clean to the harmful substance processing of the difference in the waste gas, and the protection external environment is healthy with people.

As the improvement, being close to be filter screen one of two one sides of air exhauster, filter screen one is the active carbon filter screen, filter screen two is the photocatalyst filter screen, and waste gas passes through the active carbon filter screen earlier, falls the absorption of the pungent smell like in NH3 in the waste gas, then can become harmless CO2 and H2O with harmful organic matters such as formaldehyde, methylamine, benzene, xylol, TVOC through the oxidation decomposition of photocatalyst filter screen, pollutant, foul smell, bacterium, reach the air-purifying, decompose harmful organic matter purpose for exhaust-gas treatment is comparatively clean.

As the improvement, be equipped with observation window on one side of filtering water tank, conveniently see the water yield in the filtering water tank and the pollution degree of water through observation window, instant change sewage further improves the filter effect.

As an improvement, the water inlet pipe, the water outlet II and the air pipe are arranged on the side face of the filtering water tank close to one side of the air inlet chamber, production is convenient, and meanwhile, when the filtering water tank is connected, the using amount of the connecting water pipe is saved, and cost is saved.

As an improvement, the height of the joint of the air pipe and the filtering water tank is lower than that of the joint of the air pipe and the air inlet chamber, so that the sewage in the filtering water tank is effectively prevented from flowing back to the second exhaust fan through the air pipe to cause damage to the second exhaust fan.

As the improvement, the bottom surface of the air inlet chamber below the atomizing spray head is a V-shaped inclined surface, and the drain outlet is fixedly connected to the lowest position of the V-shaped inclined surface, so that sewage in the air inlet chamber is discharged cleanly and quickly.

Drawings

FIG. 1 is a schematic structural diagram of a waste gas treatment device for coking production.

As shown in the figure: 1. the device comprises an air inlet chamber, 2, a sewage discharge pipe, 3, a filtering water tank, 4, a connecting pipe, 5, a filtering chamber, 6, a first exhaust fan, 7, an air pipe, 8, a water pump, 9, a water supply pipe, 10, an atomizing spray head, 11, a sewage discharge outlet, 12, a sewage collection barrel, 13, a second exhaust fan, 14, a first filter screen, 15, a second filter screen, 16, a water inlet pipe, 17, an observation window, 18, a second water outlet, 19 and a first water outlet.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A coking production waste gas treatment device comprises an air inlet chamber 1, a filtering water tank 3 and a filtering chamber 5 which are sequentially arranged, wherein a water supply pipe 9 is arranged on the upper portion of an air inlet end of the air inlet chamber 1, the water supply pipe 9 is horizontally arranged and is fixed on the upper portion of the air inlet chamber 1 through a pipe clamp, an atomizing head 10 is arranged on the water supply pipe 9, a sewage discharge outlet 11 is arranged below the atomizing head 10 at the bottom of the air inlet chamber 1, a sewage collection barrel 12 is arranged below the sewage discharge outlet 11, a water outlet 19 is arranged on one side of the sewage collection barrel 12, a first exhaust fan 6 is arranged at the tail end of the air inlet chamber 1, an air pipe 7 communicated with the filtering water tank 3 is arranged at an air outlet end of the first exhaust fan 6, a connecting pipe 4 is arranged between the upper portions of the filtering water tank 3 and the filtering chamber 5, a second exhaust fan 13 is arranged in the connecting pipe 4, an, the water filter is characterized in that a first filter screen 14 and a second filter screen 15 are arranged in the filter chamber 5, a second water outlet 18 and a water inlet pipe 16 with a valve are arranged on the filter water tank 3, the first water outlet 19 and the second water outlet 18 are communicated through a three-way valve, a sewage discharge pipe 2 is arranged at the water outlet end of the three-way valve, a water pump 8 is arranged at the upper end of the air inlet chamber 1, the water outlet end of the water pump 8 is respectively communicated with a water supply pipe 9 and the water inlet pipe 16, and the water inlet end of the.

Being close to of two 13 one sides of air exhauster is filter screen one 14, filter screen one 14 is the active carbon filter screen, filter screen two 15 is the photocatalyst filter screen.

An observation window 17 is arranged on one side surface of the filtering water tank 3.

The water inlet pipe 16, the water outlet II 18 and the air pipe 7 are all arranged on the side surface of the filtering water tank 3 close to one side of the air inlet chamber 1.

The air pipe 7 is lower than the height of the joint of the air pipe 7 and the air inlet chamber 1 at the joint of the air pipe 7 and the filter water tank 3, the water level in the filter water tank 3 is controlled to be higher than the joint of the air pipe 7 and the filter water tank 3, and the water level is lower than the height of the connecting pipe 4, so that the situation that the water level is too high and flows into the filter chamber 5 through the connecting pipe, and the damage to the first filter screen 14 and the second filter screen 15 is caused is avoided.

The bottom surface of the air inlet chamber 1 below the atomizing spray head 10 is a V-shaped inclined surface, and the sewage discharge outlet 11 is fixedly connected at the lowest position of the V-shaped inclined surface.

When the utility model is implemented specifically, the waste gas generated in coking production enters the air inlet chamber through the air inlet at the front end of the air inlet chamber under the action of the first exhaust fan, the valve on the water inlet pipe of the filter tank is in a closed state, the water pump is ensured to pump the external water source into the water supply pipe, and the water pump is sprayed out through the spray head to perform dust fall treatment, large particles in the waste gas are removed, and meanwhile, part of harmful substances such as benzene soluble in water are removed, and the harmful substances flow into the sewage collection barrel together with water from the sewage discharge port, the filtered waste gas reaches the filter tank through the air pipe, small particle dust and the residual harmful substances such as benzene soluble in water in the waste gas are left in the water of the filter tank, then the filtered gas reaches the upper part of the filter tank, the gas in the filter tank is pumped into the filter chamber through the connecting pipe under the action of the second exhaust fan, the method adsorbs the pungent odor in the NH3 in the waste gas, and then the harmful organic matters such as formaldehyde, methylamine, benzene, xylene, TVOC, etc., pollutants, odor, bacteria, etc. can be oxidized and decomposed into harmless CO2 and H2O through a photocatalyst filter screen, so that the purposes of purifying air and decomposing the harmful organic matters are achieved, the gas discharged to the outside from the filter chamber is cleaner, the whole process can treat different harmful substances in the waste gas comprehensively and cleanly, and the external environment and the body health of people are protected. When the water in the filter tank needs to be changed, the three-way valve can be directly opened, the sewage in the filter tank and the sewage in the sewage collecting barrel are all discharged into an external sewage treatment tank through the sewage discharge pipe, the cleanness of the surrounding environment is ensured, when water is supplied into the filter tank, the water valve on the water inlet pipe is opened, the water pump is started, the water pump takes out external clean water, one part of the clean water is pumped into the filter tank, the other part of the clean water is discharged through the atomizing head, and the air inlet chamber is cleaned in the sewage discharge port.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims (6)

1. The utility model provides a coking production exhaust treatment device which characterized in that: comprises an air inlet chamber (1), a filter water tank (3) and a filter chamber (5) which are sequentially arranged, wherein a water supply pipe (9) is arranged on the upper portion of the air inlet end of the air inlet chamber (1), an atomizing head (10) is arranged on the water supply pipe (9), a drain outlet (11) is arranged below the atomizing head (10) at the bottom of the air inlet chamber (1), a dirt collecting barrel (12) is arranged below the drain outlet (11), a first water outlet (19) is arranged on one side of the dirt collecting barrel (12), a first exhaust fan (6) is arranged at the tail end of the air inlet chamber (1), an air pipe (7) communicated with the filter water tank (3) is arranged at the air outlet end of the first exhaust fan (6), a connecting pipe (4) is arranged between the upper portions of the filter water tank (3) and the filter chamber (5), a second exhaust fan (13) is arranged in the connecting pipe (4), and the air, the air-out end of connecting pipe (4) is linked together with filter chamber (5), be equipped with filter screen (14) and filter screen two (15) in filter chamber (5), be equipped with delivery port two (18) and take inlet tube (16) of valve on filtering water tank (3), delivery port one (19) and delivery port two (18) are put through mutually through the three-way valve, and the play water end of three-way valve is equipped with blow off pipe (2), the upper end of air inlet chamber (1) is equipped with water pump (8), the play water end of water pump (8) is linked together with delivery pipe (9) and inlet tube (16) respectively, the end of intaking of water pump (8) is connected with external water source.

2. The coking production waste gas treatment device of claim 1, characterized in that: being close to of two (13) one sides of air exhauster be filter screen one (14), filter screen one (14) are the active carbon filter screen, filter screen two (15) are the photocatalyst filter screen.

3. The coking production waste gas treatment device of claim 1, characterized in that: an observation window (17) is arranged on one side surface of the filtering water tank (3).

4. The coking production waste gas treatment device of claim 1, characterized in that: the water inlet pipe (16), the water outlet II (18) and the air pipe (7) are all arranged on the side face of the filtering water tank (3) close to one side of the air inlet chamber (1).

5. The coking production waste gas treatment device of claim 1, characterized in that: the height of the connecting part of the air pipe (7) and the filtering water tank (3) is lower than that of the connecting part of the air pipe (7) and the air inlet chamber (1).

6. The coking production waste gas treatment device of claim 1, characterized in that: the bottom surface of the air inlet chamber (1) below the atomizing spray head (10) is a V-shaped inclined surface, and the sewage discharge outlet (11) is fixedly connected to the lowest position of the V-shaped inclined surface.

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