CN214635085U

CN214635085U - Decoking dust collector and high temperature covering machine thereof

Info

Publication number: CN214635085U
Application number: CN202120445715.3U
Authority: CN
Inventors: 边浩苹
Original assignee: Wuxi Taixian Powder Technology Co ltd
Current assignee: Wuxi Taixian Powder Technology Co ltd
Priority date: 2021-03-01
Filing date: 2021-03-01
Publication date: 2021-11-09
Anticipated expiration: 2031-03-01

Abstract

The utility model relates to the technical field of powder making equipment, in particular to a decoking and dust removing device and a high-temperature coating machine thereof, the decoking and dust removing device comprises a coke catching tank, a communicating pipe, a filter, an air outlet pipe, a coke discharging header pipe, a blow-off pipe and a spraying device, the filter is arranged in the air outlet pipe, the top end inside the coke catching tank or the coke discharging header pipe, the spraying device comprises a pump, a water pipe and at least one nozzle, at least one of the coke catching tank and the communicating pipe is provided with the nozzle, waste gas containing dust and tar is introduced into the coke catching tank from the communicating pipe, the nozzle sprays water mist, the dust and the water mist in the waste gas are condensed and sink or are condensed on the inner wall of the coke catching tank and flow out from the blow-off pipe at the bottom of the coke catching tank, part of the waste gas is condensed into tar together with sewage and flows out from the blow-off pipe at the bottom of the coke catching tank, the rest of the waste gas is introduced into the coke discharging header pipe after being filtered by the filter, the waste gas pretreatment effect is good, effectively solves the problems of filter blockage, coke-catching tank air leakage, possible safety risk and the like.

Description

Decoking dust collector and high temperature covering machine thereof

Technical Field

The utility model belongs to the technical field of the powder process equipment technique and specifically relates to a decoking dust collector and high temperature cladding machine thereof is related to.

Background

The powder process equipment can discharge the waste gas that contains dust and tar when the during operation, needs preliminary treatment before letting in the row burnt pipeline, and a part dust and tar are prefiltered.

For example, a high-temperature coating machine is generally treated by using a coke catching tank, an exhaust port of the high-temperature coating machine is connected with the coke catching tank, waste gas is condensed into tar in the coke catching tank, other waste gas is treated by a filter and then is introduced into a coke discharging main pipe, and then the other waste gas is introduced into a boiler for combustion treatment. However, a large amount of dust still exists in the coke catching tank, and particularly when graphite and asphalt are added into a high-temperature coating machine, the charging amount is large, and a part of graphite powder enters the coke catching tank along with gas. The filter of the coke catching tank is generally in a net-shaped ventilation structure, tar is agglutinated on the filter, and when waste gas carries graphite powder to pass through the filter, the graphite powder is easily adhered to the filter, so that the filter loses effectiveness at an accelerated speed, even the filter is blocked, the waste gas is abnormally overflowed from a blow-off pipe below the filter, and the environment pollution is caused. Or the graphite powder is accumulated in the coke-supplementing tank for a long time, so that the safety accidents of combustion or explosion can be caused under the action of high-temperature waste gas.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to solve the problems that a filter of a common coke catching tank is easy to block, the sewage outlet of the coke catching tank leaks air abnormally, and safety risks are possibly caused, the coke removing and dust removing device is provided.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a decoking dust collector, is including catching burnt jar, communicating pipe, filter, outlet duct, row burnt house steward, blow off pipe and spray set, communicating pipe fix on the upper end of catching burnt jar lateral wall and with catch burnt jar intercommunication, the upper end of catching burnt jar is passed through outlet duct intercommunication row burnt house steward, be provided with the filter in the outlet duct, the inside top of catching burnt jar or the row burnt house steward, spray set includes pump, water pipe and at least one nozzle, the nozzle leads to pipe and pump intercommunication, it is provided with to have at least one in burnt jar and the communicating pipe the nozzle, the blow off pipe communicates with the bottom of catching burnt jar.

In this scheme, the waste gas that contains dust and tar lets in from communicating pipe and catches the burnt jar, the running water is from the nozzle blowout after the pump pressurization, form the water smoke, dust and water smoke in the waste gas condense and sink, or condense on catching burnt jar inner wall, flow out from the blow off pipe that catches burnt tank bottom, partly waste gas condenses into tar and flows out from the blow off pipe that catches burnt tank bottom together with sewage, remaining waste gas is discharged from the main pipe of arranging coke after the filter filters, the dust content reduces greatly in the waste gas of having handled, waste gas pretreatment is effectual, effectively solve the filter jam, catch burnt jar gas leakage and probably cause safety risk scheduling problem.

Further, at least one nozzle is arranged at the top end inside the coke-catching tank. A plurality of nozzles are arranged to form a more comprehensive and sufficient fog area, so that dust is removed to the maximum extent.

Further, the spraying direction of the nozzles in the coke catching tank faces downwards and inclines towards the axis of the coke catching tank. Reasonable spraying angle setting forms more comprehensive and sufficient fog zone, and dust is removed to the maximum extent.

Further, at least one nozzle is arranged at the top end inside the communication pipe. A plurality of nozzles are arranged to form a more comprehensive and sufficient fog area, so that dust is removed to the maximum extent.

Further, the spraying direction of the nozzle in the communicating pipe is downward and inclined towards the axis of the coke catching tank. Reasonable spraying angle setting forms more comprehensive and sufficient fog zone, and dust is removed to the maximum extent.

Further, still include overflow arrangement, overflow arrangement is including being used for holding liquid and confined overflow tank, last overflow pipe and blast pipe, the one end of going up the overflow pipe communicates with the bottom of catching the burnt jar, and the other end stretches into in the overflow tank, and the bottom opening of going up the overflow pipe is located the liquid level below in the overflow tank, the junction between communicating pipe and the burnt jar of catching is located one side of filter, the junction between blast pipe and the row of burnt house steward is located the opposite side of filter. When the filter is blocked, waste gas can enter the overflow water tank through the upper overflow pipe, the waste gas is discharged into the coke discharging main pipe through the exhaust pipe on the upper part of the overflow water tank, the connection part between the exhaust pipe and the coke discharging main pipe is positioned behind the filter, the coke discharging main pipe is ventilated, and the waste gas is prevented from overflowing from the blow-off pipe.

Furthermore, overflow arrangement still includes underflow pipe, underflow pipe's one end and overflow water tank intercommunication, other end intercommunication blow off pipe, and underflow pipe and overflow water tank's junction is higher than the bottom opening of last overflow pipe. When the inlet of the sewage discharge pipe is blocked due to tar accumulation, sewage can enter the overflow water tank through the upper overflow pipe, and when the sewage in the overflow water tank exceeds the height of the lower overflow pipe, the sewage can be discharged from the lower part of the sewage discharge pipe through the lower overflow pipe.

Further, still include the access hole, the access hole sets up on catching jar bottom lateral wall, and the access hole upper cover is equipped with the access cover. The access cover is opened, and tar deposited at the bottom of the coke catching tank can be cleaned regularly through the access hole, or the problem of blockage of the mouth of the sewage discharge pipe is solved.

Further, the sewage treatment device also comprises a valve, and the valve is arranged on the sewage discharge pipe. The blow-off pipe can be closed when the coke-catching tank is overhauled or other operations are carried out.

A high-temperature covering machine comprises the decoking and dust removing device. The high-temperature coating machine is provided with the decoking dust removal device, the inlet end of the communicating pipe is communicated with the exhaust port of the high-temperature coating machine, waste gas is effectively pretreated, and the downtime of the high-temperature coating machine for adjustment and maintenance of the decoking dust removal device is reduced.

The utility model has the advantages that: the utility model discloses decoking dust collector is when using, the waste gas that contains dust and tar lets in from communicating pipe and catches burnt jar, the running water is from the nozzle blowout after the pump pressurization, form the water smoke, dust in the waste gas condenses with the water smoke and sinks, or condense on catching burnt jar inner wall, from the blow off pipe outflow of catching burnt tank bottoms portion, partly waste gas condenses into tar and sewage flows out from the blow off pipe of catching burnt tank bottoms portion together, remaining waste gas lets in the row of burnt house steward after the filter filters, waste gas pretreatment is effectual, effectively solve the filter and block up and catch burnt jar gas leakage problem.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic view of the decoking and dedusting device of the utility model;

1. the system comprises a coke catching tank, 2, a filter, 3, a coke discharging main pipe, 4, a sewage discharging pipe, 5, a spraying device, 501, a pump, 502, a water pipe, 503, a nozzle, 6, a communicating pipe, 7, an overflow device, 701, an overflow water tank, 702, an upper overflow pipe, 703, an underflow pipe, 704, an exhaust pipe, 8, an access hole, 9, a valve, 10 and an air outlet pipe.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic drawings, which illustrate the basic structure of the invention only in a schematic way, and thus show only the components that are relevant to the invention, and the directions and references (e.g., upper, lower, left, right, etc.) may be used only to help describe the features in the drawings. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the claimed subject matter is defined only by the appended claims and equivalents thereof.

Example one

As shown in fig. 1, a decoking dust collector, including catching jar 1, communicating pipe 6, filter 2, outlet duct 10, row burnt house steward 3, blow off pipe 4 and spray set 5, communicating pipe 6 is fixed in the upper end of catching jar 1 lateral wall and with catch jar 1 intercommunication, the upper end of catching jar 1 communicates row burnt house steward 3 through outlet duct 10, be provided with filter 2 in the outlet duct 10, in catching jar 1 inside top or row burnt house steward 3, spray set 5 includes pump 501, water pipe 502 and at least one nozzle 503, nozzle 503 leads to pipe 502 and pump 501 intercommunication, catch jar 1 and communicating pipe 6 and have at least one be provided with nozzle 503, blow off pipe 4 and the bottom intercommunication of catching jar 1. The pump 501 may be a booster pump. The nozzle 503 is a high pressure nozzle.

In this embodiment, 6 gas outlets of connecting powder process equipment are connected communicating pipe, arrange burnt house steward 3 and lead to tail gas treatment equipment such as burning furnace, pump 501 inserts the running water, blow off pipe 4 leads to sewage treatment facility, reinforced or the during operation in the powder process equipment, the waste gas that contains dust such as graphite lets in from communicating pipe 6 and catches burnt jar 1, nozzle 503 spun water smoke, handle the dust in the waste gas, the condensation becomes the drop of water and discharges from blow off pipe 4, the waste gas after the cleanness passes through the filter again and filters the back, from arranging burnt house steward 3 and discharging.

More than four nozzles 503 are annularly and uniformly distributed at the top end inside the coke catching tank 1, and the water mist sprayed out from the nozzles 503 effectively covers the whole upper space of the coke catching tank 1.

The spraying direction of the nozzles 503 in the coke-capturing tank 1 is directed downward and inclined toward the axis of the coke-capturing tank 1.

At least one nozzle 503 is disposed at the top end of the inside of the communication pipe 6.

The injection direction of the nozzle 503 in the communicating pipe 6 is directed downward and inclined toward the axis of the coke catch tank 1.

Still include overflow arrangement 7, overflow arrangement 7 is including being used for holding liquid and confined overflow tank 701, go up overflow pipe 702 and blast pipe 704, the one end of going up overflow pipe 702 and the bottom intercommunication of catching burnt jar 1, the other end stretches into in overflow tank 701, and the bottom opening of going up overflow pipe 702 is located the liquid level below in overflow tank 701, the junction between communicating pipe 6 and the burnt jar 1 is located one side of filter 2, the junction between blast pipe 704 and the row of coke house steward 3 is located the opposite side of filter 2. When the filter 2 is blocked by dust and oil dirt, the waste gas is introduced into the overflow water tank 701 through the upper overflow pipe 702 and then is introduced into the coke discharging main pipe 3 through the exhaust pipe 704. When the filter 2 works normally, the liquid in the overflow water tank 701 acts as a seal for the upper overflow pipe 702, and the exhaust gas is not discharged from the upper overflow pipe 702.

The overflow device 7 further comprises an underflow pipe 703, one end of the underflow pipe 703 is communicated with the overflow water tank 701, the other end of the underflow pipe 703 is communicated with the sewage discharge pipe 4, and the joint of the underflow pipe 703 and the overflow water tank 701 is higher than the bottom opening of the upper overflow pipe 702. When the inlet of the sewage discharge pipe 4 is blocked by oil stains, and the height of the collected sewage in the coke catching tank 1 exceeds the upper end of the upper overflow pipe 702, the sewage flows into the overflow water tank 701 from the upper overflow pipe 702 and then is discharged into the sewage discharge pipe 4 from the lower overflow pipe 703.

Still include access hole 8, access hole 8 sets up on catching 1 bottom lateral wall of burnt jar, and 8 upper covers in access hole are equipped with the access cover.

The sewage treatment device also comprises a valve 9, wherein the valve 9 is arranged on the sewage discharge pipe 4.

Example two

The inlet end of the communicating pipe 6 is communicated with an exhaust port of the high-temperature coating machine. One high-temperature covering machine can be simultaneously connected with more than two sets of decoking and dust removing devices.

When the decoking and dust removing device is used, waste gas containing dust and tar is introduced into the coke catching tank 1 from the communicating pipe 6, tap water is pressurized by the pump 501 and then sprayed out from the nozzle 503 to form water mist, the dust and the water mist in the waste gas are condensed and sink or are condensed on the inner wall of the coke catching tank 1 and flow out from the drain pipe 4 at the bottom of the coke catching tank 1, part of the waste gas is condensed into tar and flows out from the drain pipe 4 at the bottom of the coke catching tank 1 together with sewage, and the rest of the waste gas is filtered by the filter 2 and then is introduced into the coke discharging main pipe 3.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a decoking dust collector which characterized in that: comprises a coke catching tank (1), a communicating pipe (6), a filter (2), an air outlet pipe (10), a coke discharging main pipe (3), a blow-off pipe (4) and a spraying device (5), the communicating pipe (6) is fixed at the upper end of the side wall of the coke catching tank (1) and communicated with the coke catching tank (1), the upper end of the coke catching tank (1) is communicated with a coke discharging main pipe (3) through an air outlet pipe (10), a filter (2) is arranged in the air outlet pipe (10), the top end inside the coke catching tank (1) or the coke discharging main pipe (3), the spraying device (5) comprises a pump (501), a water pipe (502) and at least one nozzle (503), the nozzle (503) is communicated with the pump (501) through a water pipe (502), at least one of the coke catching tank (1) and the communicating pipe (6) is provided with the nozzle (503), and the sewage discharge pipe (4) is communicated with the bottom end of the coke catching tank (1).

2. The decoking and dedusting device of claim 1, characterized in that: at least one nozzle (503) is arranged at the top end of the interior of the coke-catching tank (1).

3. The decoking and dedusting apparatus of claim 2, wherein: the spraying direction of the nozzle (503) in the coke catching tank (1) is downward and inclined towards the axis of the coke catching tank (1).

4. The decoking and dedusting device of claim 1, characterized in that: the top end of the inside of the communicating pipe (6) is provided with at least one nozzle (503).

5. The decoking and dedusting apparatus according to claim 4, characterized in that: the spraying direction of the nozzle (503) in the communicating pipe (6) is downward and inclined towards the axis of the coke catching tank (1).

6. The decoking and dedusting device of claim 1, characterized in that: still include overflow arrangement (7), overflow arrangement (7) are including being used for holding liquid and confined overflow tank (701), go up overflow pipe (702) and blast pipe (704), the one end of going up overflow pipe (702) and the bottom intercommunication of catching burnt jar (1), the other end stretches into in overflow tank (701), and the bottom opening of going up overflow pipe (702) is located the liquid level below in overflow tank (701), the junction between communicating pipe (6) and the burnt jar (1) is located one side of filter (2), the junction between blast pipe (704) and the row burnt house steward (3) is located the opposite side of filter (2).

7. The decoking and dedusting apparatus of claim 6, wherein: the overflow device (7) further comprises an underflow pipe (703), one end of the underflow pipe (703) is communicated with the overflow water tank (701), the other end of the underflow pipe (703) is communicated with the sewage discharge pipe (4), and the joint of the underflow pipe (703) and the overflow water tank (701) is higher than the bottom opening of the upper overflow pipe (702).

8. The decoking and dedusting device of claim 1, characterized in that: the coke catching tank is characterized by further comprising an access hole (8), wherein the access hole (8) is formed in the side wall of the bottom of the coke catching tank (1), and an access cover is arranged on the upper cover of the access hole (8).

9. The decoking and dedusting device of claim 1, characterized in that: the sewage treatment device also comprises a valve (9), wherein the valve (9) is arranged on the sewage discharge pipe (4).

10. A high temperature covering machine which is characterized in that: comprising the decoking dust removal device of any one of claims 1 to 9.