CN216136914U

CN216136914U - Efficient tail gas treatment device for hot cleaning furnace

Info

Publication number: CN216136914U
Application number: CN202120696137.0U
Authority: CN
Inventors: 汤浩
Original assignee: Suzhou Sanbase Electromechanical Technology Co ltd
Current assignee: Suzhou Sanbase Electromechanical Technology Co ltd
Priority date: 2021-04-06
Filing date: 2021-04-06
Publication date: 2022-03-29
Anticipated expiration: 2031-04-06

Abstract

The utility model discloses a high-efficiency tail gas treatment device for a thermal cleaning furnace, which comprises a thermal cleaning furnace body, wherein the right end surface of the thermal cleaning furnace body is connected with a gas pump, the output end of the air pump is connected with a spray tower, the upper end surface of the spray tower is connected with a filter box, the bottom end surface of the filter box is connected with a spray tower through a pipeline, a liquid storage box is arranged at the right side of the spray tower, a first liquid pump is fixedly arranged in the middle of the upper end surface of the liquid storage tank, a combustion tank is arranged on the right side of the liquid storage tank, the internally mounted of burning box has the combustor, during the use, starts the air pump, and in tail gas will inhale the spray column, start first liquid pump, with the cleaning solution of liquid reserve tank in spouting the spray column, the washing liquid will get rid of the impurity in the tail gas, tail gas after the processing reentrants the rose box and filters, and burning decomposition in the tail gas after the filtration entered into burning box, and the gas after the purification is discharged from the blast pipe.

Description

Efficient tail gas treatment device for hot cleaning furnace

Technical Field

The utility model relates to the technical field of tail gas treatment of a thermal cleaning furnace, in particular to an efficient tail gas treatment device for the thermal cleaning furnace.

Background

The thermal cleaning furnace can efficiently and safely clean chemicals attached to metal pieces such as a coating nozzle. By utilizing the characteristic that the high molecular polymer can be cracked thin and pallid when the temperature of the isolated air is higher than 300 ℃ and can be completely oxidized when the temperature of the isolated air is higher than 400 ℃, a workpiece adhered with high molecular dirt is heated to 400 ℃ (the temperature is determined according to the process requirement), so that the high molecular polymer with a large quantity on the workpiece is melted and flows into a collecting container at the lower part of a hearth, then the temperature of the furnace is raised to 400 ℃, a small quantity of fresh air is introduced to fully oxidize the residual polymer, and the generated carbon dioxide is sprayed by water, sucked by a water ring and discharged out of the furnace together with the water. The existing thermal cleaning furnace can generate certain waste gas in the production process, and the waste gas can cause environmental pollution if being directly discharged into the air, so that an efficient tail gas treatment device for the thermal cleaning furnace is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an efficient tail gas treatment device for a thermal cleaning furnace, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

a high-efficiency tail gas treatment device for a thermal cleaning furnace comprises a thermal cleaning furnace body, wherein the right end face of the thermal cleaning furnace body is connected with an air pump, the output end of the air pump is connected with a spray tower, the upper end face of the spray tower is connected with a filter box, the inner side wall of the filter box is fixedly connected with gauze, activated carbon is wrapped in the gauze, the bottom end face of the filter box is connected with the spray tower through a pipeline, the inner side wall of the spray tower is fixedly provided with a ring pipe, the ring pipe is provided with a plurality of spray heads, the right side of the spray tower is provided with a liquid storage box, the middle part of the upper end face of the liquid storage box is fixedly provided with a first liquid pump, the output end of the first liquid pump is connected with the ring pipe through a pipeline, the right side of the liquid storage box is provided with a combustion box, a combustor is arranged inside the combustion box, and the left side of the upper end face of the combustion box is fixedly connected with the upper end face of the filter box through a pipeline, the combustion box is characterized in that an exhaust pipe is fixedly connected to the right side of the upper end face of the combustion box, a fuel gas inlet pipe is fixedly connected to the right end face of the combustion box, and a liquid supplementing pipe is fixedly connected to the right side of the upper end face of the liquid storage box.

Preferably, the bottom end face of the spray tower is fixedly connected with the left side of the upper end face of the liquid storage tank through a liquid return pipe, and a second liquid pump is installed on the liquid return pipe.

Preferably, the side wall of the inner bottom end surface of the spray tower is fixedly provided with a filter screen.

Preferably, a motor is fixedly mounted on the right end face of the spray tower, the output end of the motor is fixedly connected with one end of a threaded rod, the other end of the threaded rod is rotatably connected with the inner left side of the spray tower, a moving block is connected to the outer surface of the threaded rod in a threaded manner, a plurality of bristles are fixedly connected to the bottom end face of the moving block, and the bristles are in contact with the upper end face of the filter screen.

Preferably, a guide rod transversely penetrates through the moving block, and the left end and the right end of the guide rod are fixedly connected with the inner left side wall and the inner right side wall of the spray tower respectively.

Preferably, a pipeline connecting the hot cleaning furnace body and the input end of the air pump is provided with an electromagnetic valve.

Compared with the prior art, the utility model has the beneficial effects that: when the tail gas generated by the thermal cleaning furnace needs to be treated, the electromagnetic valve is opened and the air pump is started, the air pump sucks the tail gas generated by the thermal cleaning furnace into the spray tower, the first liquid pump and the second liquid pump are started, the first liquid pump works to spray cleaning liquid in the liquid storage tank into the spray tower through the spray head on the annular pipe, the cleaning liquid removes impurities in the tail gas, the second liquid pump is used to flow the cleaning liquid at the bottom end in the spray tower back into the liquid storage tank again to avoid the waste of the cleaning liquid, the treated tail gas enters the filter tank to be filtered, the inner side wall of the filter tank is fixedly connected with gauze, the gauze is wrapped with active carbon, the active carbon can adsorb harmful substances in the tail gas, the tail gas after adsorption enters the combustion box, the gas inlet pipe is used for entering gas, the combustor is started to combust the pretreated tail gas, and combustible harmful components in the tail gas can be oxidized and decomposed under the combustion oxidation and high temperature, the purified gas is discharged from the exhaust pipe. The filter screen is used for preventing impurities in the spray tower from entering the second liquid pump and the liquid storage tank, and meanwhile, when tail gas is treated, the motor is started and drives the threaded rod to rotate, so that the moving block and the bristles move left and right, and the effect of preventing the filter screen from being blocked is achieved; the guide rod is arranged for moving the moving block to move left and right, so that the guide and limiting effects are achieved.

Drawings

FIG. 1 is a schematic sectional view of a main structure of an efficient tail gas treatment device for a thermal cleaning furnace;

fig. 2 is an enlarged schematic view of a structure a in fig. 1 of a high-efficiency tail gas treatment device for a thermal cleaning furnace.

In the figure: 1-a hot cleaning furnace body, 2-an electromagnetic valve, 3-an air pump, 4-an annular pipe, 5-a filter box, 6-gauze, 7-a first liquid pump, 8-an exhaust pipe, 9-a combustion box, 10-a fuel gas inlet pipe, 11-a combustor, 12-a liquid storage box, 13-a motor, 14-a spray tower, 15-a second liquid pump, 16-a filter screen, 17-a moving block, 18-a threaded rod and 19-a guide rod.

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.

Referring to fig. 1-2, the present invention provides a technical solution: a high-efficiency tail gas treatment device for a hot cleaning furnace comprises a hot cleaning furnace body 1, wherein the right end face of the hot cleaning furnace body 1 is connected with an air pump 3, the output end of the air pump 3 is connected with a spray tower 14, the upper end face of the spray tower 14 is connected with a filter box 5, the inner side wall of the filter box 5 is fixedly connected with a mesh gauze 6, activated carbon is wrapped in the mesh gauze 6, the bottom end face of the filter box 5 is connected with the spray tower 14 through a pipeline, the inner side wall of the spray tower 14 is fixedly provided with a ring pipe 4, the ring pipe 4 is provided with a plurality of spray heads, the right side of the spray tower 14 is provided with a liquid storage box 12, the middle part of the upper end face of the liquid storage box 12 is fixedly provided with a first liquid pump 7, the output end of the first liquid pump 7 is connected with the ring pipe 4 through a pipeline, the right side of the liquid storage box 12 is provided with a combustion box 9, the combustor 11 is arranged inside the combustion box 9, the utility model discloses a gas burner, including combustion box 9, rose box 5, pipeline, exhaust pipe 8, combustion box 9's up end right side fixedly connected with gas inlet pipe 10, combustion box 9's right-hand member face fixedly connected with gas inlet pipe 10, the up end right side fixedly connected with solution supplement pipe of liquid reserve tank 12.

When the tail gas generated by the thermal cleaning furnace 1 needs to be treated, the air pump 3 is started, the tail gas generated by the thermal cleaning furnace 1 is sucked into the spray tower 14 by the air pump 3, the first liquid pump 7 is started, the first liquid pump 7 works to spray cleaning liquid in the liquid storage tank 12 into the spray tower 14 through the spray head on the annular pipe 4, the cleaning liquid removes impurities in the tail gas, the treated tail gas enters the filter box 5 to be filtered, the inner side wall of the filter box 5 is fixedly connected with the gauze 6, the gauze 6 is internally wrapped by active carbon, the active carbon can adsorb harmful substances in the tail gas, the tail gas after adsorption enters the combustion box 9, the gas inlet pipe 10 is used for entering gas, the combustor 11 is started, the combustor 11 combusts the pretreated tail gas, the combustible harmful components in the tail gas can be oxidized and decomposed under the combustion oxidation and high temperature, the purified gas is discharged from the exhaust pipe 8.

The bottom end face of the spray tower 14 is fixedly connected with the left side of the upper end face of the liquid storage tank 12 through a liquid return pipe, a second liquid pump 15 is installed on the liquid return pipe, and the second liquid pump 15 is used for enabling cleaning liquid at the bottom end in the spray tower 14 to flow back to the liquid storage tank 12 again, so that waste of the cleaning liquid is avoided.

The inner bottom end face side wall of the spray tower 14 is fixedly provided with a filter screen 16, and the filter screen 16 is used for preventing impurities in the spray tower 14 from entering the second liquid pump 15 and the liquid storage tank 12.

The right end face of the spray tower 14 is fixedly provided with a motor 13, the output end of the motor 13 is fixedly connected with one end of a threaded rod 18, the other end of the threaded rod 18 is rotatably connected with the inner left side of the spray tower 14, the outer surface of the threaded rod 18 is connected with a moving block 17 in a threaded screwing mode, the bottom end face of the moving block 17 is fixedly connected with a plurality of bristles, and the bristles are in contact with the upper end face of the filter screen 16.

When tail gas is treated, the motor 13 is started, the motor 13 drives the threaded rod 18 to rotate, and therefore the moving block 17 and the bristles move left and right, and the effect of preventing the filter screen 16 from being blocked is achieved.

A guide rod 19 transversely penetrates through the moving block 17, the left end and the right end of the guide rod 19 are fixedly connected with the inner left side wall and the inner right side wall of the spray tower 14 respectively, and the guide rod 19 is arranged for moving the moving block 17 left and right to play a role in guiding and limiting.

And the electromagnetic valve 2 is arranged on a pipeline connecting the hot cleaning furnace body 1 and the input end of the air pump 3, so that the personnel can control the output quantity of the tail gas according to the actual condition.

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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a hot clean high-efficient tail gas processing apparatus for stove, includes hot clean stove body (1), its characterized in that: the hot clean stove comprises a hot clean stove body (1), wherein the right end face of the hot clean stove body (1) is connected with an air pump (3), the output end of the air pump (3) is connected with a spray tower (14), the upper end face of the spray tower (14) is connected with a filter box (5), the inner side wall of the filter box (5) is fixedly connected with a net gauze (6), activated carbon is wrapped in the net gauze (6), the bottom end face of the filter box (5) is connected with the spray tower (14) through a pipeline, the inner side wall of the spray tower (14) is fixedly provided with a ring pipe (4), the ring pipe (4) is provided with a plurality of spray heads, the right side of the spray tower (14) is provided with a liquid storage box (12), the middle part of the upper end face of the liquid storage box (12) is fixedly provided with a first liquid pump (7), the output end of the first liquid pump (7) is connected with the ring pipe (4) through a pipeline, the right side of the liquid storage box (12) is provided with a combustion box (9), the utility model discloses a fuel gas burner, including burning box (9), the internally mounted of burning box (9) has combustor (11), the up end fixed connection of pipeline and rose box (5) is passed through on the left of the up end of burning box (9), the up end right side fixedly connected with blast pipe (8) of burning box (9), the right-hand member face fixedly connected with gas inlet pipe (10) of burning box (9), the up end right side fixedly connected with moisturizing pipe of liquid reserve tank (12).

2. The high-efficiency tail gas treatment device for the thermal cleaning furnace according to claim 1, characterized in that: the bottom end face of the spray tower (14) is fixedly connected with the left side of the upper end face of the liquid storage tank (12) through a liquid return pipe, and a second liquid pump (15) is installed on the liquid return pipe.

3. The high-efficiency tail gas treatment device for the thermal cleaning furnace according to claim 2, characterized in that: and a filter screen (16) is fixedly arranged on the side wall of the inner bottom end surface of the spray tower (14).

4. The high-efficiency tail gas treatment device for the thermal cleaning furnace according to claim 3, characterized in that: the improved spraying device is characterized in that a motor (13) is fixedly mounted on the right end face of the spraying tower (14), the output end of the motor (13) is fixedly connected with one end of a threaded rod (18), the other end of the threaded rod (18) is rotatably connected with the inner left side of the spraying tower (14), a moving block (17) is connected to the outer surface of the threaded rod (18) in a threaded manner, a plurality of bristles are fixedly connected to the bottom end face of the moving block (17), and the bristles are in contact with the upper end face of the filter screen (16).

5. The high-efficiency tail gas treatment device for the thermal cleaning furnace according to claim 4, characterized in that: a guide rod (19) transversely penetrates through the moving block (17), and the left end and the right end of the guide rod (19) are fixedly connected with the inner left side wall and the inner right side wall of the spray tower (14) respectively.

6. The efficient tail gas treatment device for the thermal cleaning furnace according to claim 5, characterized in that: and an electromagnetic valve (2) is arranged on a pipeline connecting the hot cleaning furnace body (1) and the input end of the air pump (3).