CN215842319U

CN215842319U - Lost foam casting waste gas treatment system

Info

Publication number: CN215842319U
Application number: CN202120913885.XU
Authority: CN
Inventors: 陈安社
Original assignee: Yancheng Lizhengjia Electromechanical Co ltd
Current assignee: Yancheng Lizhengjia Electromechanical Co ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2022-02-18
Anticipated expiration: 2031-04-29

Abstract

The utility model discloses a lost foam casting waste gas treatment system which comprises a bottom plate, a spraying device, a filtering device and an adsorption device, wherein the spraying device, the filtering device and the adsorption device are welded on the outer wall of the top of the bottom plate, the filtering device comprises a treatment box, electrode plates welded on the inner walls of two sides of the treatment box, a rotating shaft rotationally connected to the inner wall of the treatment box, a cleaning brush welded on the outer wall of the rotating shaft, and a collecting tank slidably inserted in the inner wall of the bottom of the treatment box, a servo motor is installed on the outer wall of one side, close to the spraying device, of the treatment box, and an output shaft of the servo motor is connected with the rotating shaft through a bearing. According to the utility model, the filter screen filters large-particle impurities in the waste gas, the spray head sprays water in the water tank to spray the waste gas, the electrode plate adsorbs harmful particles in the waste gas with a sodium hydroxide concentrated solution to wash the waste gas with water and then discharges the waste gas, and compared with a traditional device, the device can treat the waste gas, remove harmful substances in the waste gas and reduce the pollution of the waste gas to the environment.

Description

Lost foam casting waste gas treatment system

Technical Field

The utility model relates to the technical field of waste gas treatment, in particular to a lost foam casting waste gas treatment system.

Background

The lost foam casting is accepted and accepted by the casting industry due to a series of advantages of high size precision of castings, good surface smoothness, wide process application range, simple operation, capability of greatly improving the labor intensity and environment of casting workers and the like, and is known as the green revolution of the casting industry. Particularly, over a decade, with the development of the automobile industry, the evaporative pattern casting in China has developed more rapidly, the manufacturing of a production line is also developed from a simple open line to a closed full-automatic line, and the yield of single-line castings is gradually increased.

When the lost foam is cast and poured, a white film, namely polystyrene foam plastic, needs to be burnt, and waste gas containing benzene organic matters generated after the white film is burnt is discharged into the atmosphere by a vacuum pump, so that the pollution to the surrounding environment is caused. At present, no treatment equipment is used for treating waste gas and waste gas generated in lost foam casting production, and the waste gas is directly discharged to pollute the surrounding environment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a lost foam casting waste gas treatment system.

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

lost foam casting exhaust-gas treatment system, including bottom plate, spraying equipment, filtration equipment, adsorption equipment all weld in bottom plate top outer wall, filtration equipment welds in the plate electrode of handling incasement both sides inner wall including handling the case, rotates to connect in the axis of rotation of handling the incasement wall, welds in the cleaning brush of axis of rotation outer wall, slides and pegs graft in the collecting vat of handling the incasement bottom inner wall, it installs servo motor near spraying equipment one side outer wall to handle the case, and servo motor's output shaft passes through the bearing with the axis of rotation and is connected, servo motor is provided with the protection casing, and protection casing and the welding of handling the incasement wall, and the protection casing is opened has the louvre that the equidistance distributes, cleaning brush and electrode plate size looks adaptation, and electrode plate size and collecting vat size looks adaptation.

Preferably, the spraying equipment comprises a box body, is welded to the water tank at the top of the box body, is welded to the mounting plate on the inner wall of the box body, is welded to the storage plate on the inner wall of the top of the box body, is slidably inserted into the filter net cage between the mounting plate and the inner wall of the box body, is provided with a mounting groove in the middle of the mounting plate, and is provided with a filter screen.

Preferably, the storage plate is hollow, a water outlet pipe communicated with the interior of the storage plate is arranged at the bottom of the water tank, a control valve is installed on the water outlet pipe, spray heads distributed at equal intervals are arranged at the bottom of the storage plate, a recovery pipe communicated with the water tank is arranged on the outer wall of the box body, which is close to one side of the treatment box, and a water pump is installed on the recovery pipe.

Preferably, adsorption equipment includes the adsorption tank, welds in the baffle of adsorption tank inner wall, sets up in the absorption chamber of baffle top, sets up in the washing chamber of baffle below, it has the active carbon to adsorb intracavity portion packing, and does not hold the concentrated solution of sodium hydroxide in the washing chamber, adsorbs the chamber and is provided with the air duct that lets in the washing chamber.

Preferably, the box, handle and connect through the connecting pipe between the case, the adsorption tank, and the box is kept away from and is handled case one side outer wall and be provided with the intake pipe, and washing intracavity portion is provided with the outlet duct that runs through the adsorption tank.

Preferably, the box, handle case, adsorption tank outer wall all are provided with the observation window, and the observation window size respectively with the box, handle case, adsorption tank looks adaptation.

The utility model has the beneficial effects that:

1. according to the utility model, waste gas enters the box body, large-particle impurities in the waste gas are filtered through the filter screen, then water in the water tank is sprayed out through the spray head, the waste gas is subjected to spray treatment, harmful substances and particles in the waste gas are removed, then the waste gas enters the treatment box, harmful particles in the waste gas are adsorbed by the electrode plate, finally, the residual harmful substances in the waste gas are absorbed by activated carbon in the adsorption cavity, and the waste gas is discharged after being washed by concentrated sodium hydroxide solution;

2. the waste water after the filter box with a net will spray filters the back and leads to the water tank recycle again, resources are saved, and servo motor drive axis of rotation rotates and drives the cleaning brush and rotate and clear up the plate electrode, avoids the too much influence treatment effect of plate electrode dust.

Drawings

FIG. 1 is a schematic structural view of an appearance section of a lost foam casting waste gas treatment system provided by the utility model;

FIG. 2 is a schematic structural diagram of a treatment box of the lost foam casting waste gas treatment system provided by the utility model;

FIG. 3 is a schematic structural diagram of the appearance of a lost foam casting waste gas treatment system provided by the utility model;

FIG. 4 is a schematic sectional structure view of a treatment box of the evaporative pattern casting waste gas treatment system.

In the figure: 1 bottom plate, 2 box, 3 case, 4 adsorption tanks, 5 water tanks, 6 mounting panels, 7 storage plates, 8 filter box, 9 filter screens, 10 electrode plates, 11 axis of rotation, 12 cleaning brushes, 13 servo motor, 14 baffles, 15 adsorption cavities, 16 washing cavities, 17 collecting tanks.

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.

Referring to fig. 1-4, the lost foam casting waste gas treatment system comprises a bottom plate 1, a spraying device, a filtering device and an adsorption device, wherein the spraying device, the filtering device and the adsorption device are all welded on the outer wall of the top of the bottom plate 1, the spraying device comprises a box body 2, a water tank 5, a mounting plate 6, a storage plate 7, a water outlet pipe, a spray head, a filter screen and a filter net box, and the box body 2 is welded on the top of the bottom plate 1. And the water tank 5 is welded on the top of the tank body 2, the mounting plate 6 is welded on the inner wall of the tank body 2, the storage plate 7 is welded on the inner wall of the top of the tank body 2, and the filtering net cage 8 is inserted between the mounting plate 6 and the inner wall of the tank body 2 in a sliding way, the mounting plate 6 is opened with a mounting groove in the middle, and the mounting groove is provided with the filtering net 9, the storage plate 7 is hollow inside, the bottom of the water tank 5 is provided with a water outlet pipe which is led into the storage plate 7, the water outlet pipe is provided with a control valve, the bottom of the storage plate 7 is provided with spray heads which are distributed equidistantly, the outer wall of the tank body 2 close to one side of the processing tank 3 is provided with a recovery pipe which is led into the water tank 5, the recovery pipe is provided with a water pump, the waste gas enters the tank body 2, the large-particle impurities in the waste gas are filtered through the filtering net 9, then the spray heads spray the water in the water tank 5 to perform spray processing on the waste gas, and remove harmful substances and particles in the waste gas, compared with the traditional device, the device avoids the direct emission of waste gas to pollute the air, and reduces the pollution of the waste gas to the environment;

the filtration equipment treatment box 3, a plate electrode 10, a rotating shaft 11, a cleaning brush 12, a servo motor 13 and a collecting tank 17, wherein the treatment box 3 is welded at the top of a bottom plate 1, the plate electrode 10 is welded on the inner walls of two sides of the treatment box 3, the rotating shaft 11 is connected with the inner wall of the treatment box 3 in a rotating manner, the cleaning brush 12 is welded on the outer wall of the rotating shaft 11, the collecting tank 17 is inserted into the inner wall of the bottom of the treatment box 3 in a sliding manner, the servo motor 13 is installed on the outer wall of one side of the treatment box 3 close to the spraying equipment, the output shaft of the servo motor 13 is connected with the rotating shaft 11 through a bearing, the servo motor 13 is provided with a protective cover, the protective cover is welded with the outer wall of the treatment box 3, radiating holes distributed equidistantly are formed in the protective cover, the cleaning brush 12 is matched with the size of the plate electrode 10, the size of the collecting tank 17 is matched with the size of the plate electrode 10, the servo motor 13 drives the rotating shaft 11 to rotate to drive the cleaning brush 12 to clean the plate 10, the processing effect is prevented from being influenced by excessive dust on the electrode plate 10;

the adsorption equipment comprises an adsorption box 4, a partition plate 14, an adsorption cavity 15 and a water washing cavity 16, wherein the adsorption box 4 is welded at the top of a bottom plate 1, the partition plate 14 is welded on the inner wall of the adsorption box 4, the adsorption cavity 15 is arranged above the partition plate 14, the water washing cavity 16 is arranged below the partition plate 14, activated carbon is filled in the adsorption cavity 15, a concentrated sodium hydroxide solution is not contained in the water washing cavity 16, the adsorption cavity 15 is provided with an air duct leading into the water washing cavity 16, the activated carbon in the adsorption cavity 15 absorbs residual harmful substances in waste gas, the concentrated sodium hydroxide solution in the water washing cavity 16 washes the waste gas and then discharges the waste gas, compared with a traditional device, the waste gas can be treated, the harmful substances in the waste gas are removed, the pollution air is avoided from the direct discharge of the waste gas, the box 2, the treatment box 3 and the adsorption box 4 are connected through a connecting pipe, and an air inlet pipe is arranged on the outer wall of one side of the box 2 far away from the treatment box 3, the inside outlet duct that runs through adsorption tank 4 that is provided with in washing chamber 16, box 2,

processing case

3, 4 outer walls of adsorption tank all are provided with the observation window, and the observation window size respectively with box 2, processing case 3, adsorption tank 4 looks adaptation.

The working principle is as follows: in the utility model, the waste gas enters the box body 2, large particle impurities in the waste gas are filtered through the filter screen 9, then the water in the water tank 5 is sprayed out through the spray head, the waste gas is sprayed and treated, harmful substances and particles in the waste gas are removed, then the waste gas enters the treatment box 3, harmful particles in the waste gas are adsorbed by the electrode plate 10, finally the residual harmful substances in the waste gas are absorbed by the active carbon in the adsorption cavity 15, the waste gas is washed by the concentrated sodium hydroxide solution in the washing cavity 16 and then discharged, compared with the traditional device, the waste gas can be treated, the harmful substances in the waste gas are removed, the waste gas is prevented from directly discharging polluted air, the pollution of the waste gas to the environment is reduced, the filtering net cage 8 filters the sprayed waste water and then leads the waste water into the water tank 5 for recycling, resources are saved, the servo motor 13 drives the rotating shaft 11 to rotate and drives the cleaning brush 12 to rotate to clean the electrode plate 10, the processing effect is prevented from being influenced by excessive dust on the electrode plate 10.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. Lost foam casting waste gas treatment system, including bottom plate (1), spray equipment, filtration equipment, adsorption equipment all weld in bottom plate (1) top outer wall, characterized in that, filtration equipment includes processing case (3), welds electrode plate (10) of handling case (3) both sides inner wall, rotates axis of rotation (11) of connecting in handling case (3) inner wall, welds cleaning brush (12) of axis of rotation (11) outer wall, and the collecting vat (17) of slip grafting in handling case (3) bottom inner wall, handling case (3) are close to one side outer wall of spray equipment and are installed servo motor (13), and the output shaft and axis of rotation (11) of servo motor (13) pass through the bearing and are connected, servo motor (13) are provided with the protection casing, and the protection casing welds with handling case (3) outer wall, the protective cover is provided with heat dissipation holes distributed at equal intervals, the cleaning brush (12) is matched with the size of the electrode plate (10), and the size of the collecting groove (17) is matched with the size of the electrode plate (10).

2. The exhaust gas treatment system for evaporative pattern casting of claim 1, wherein the spraying equipment comprises a box body (2), a water tank (5) welded to the top of the box body (2), a mounting plate (6) welded to the inner wall of the box body (2), a storage plate (7) welded to the inner wall of the top of the box body (2), and a filter screen box (8) inserted between the mounting plate (6) and the inner wall of the box body (2) in a sliding manner, wherein a mounting groove is formed in the middle of the mounting plate (6), and a filter screen (9) is mounted in the mounting groove.

3. The waste gas treatment system for evaporative pattern casting of claim 2, wherein the storage plate (7) is hollow inside, a water outlet pipe leading into the storage plate (7) is arranged at the bottom of the water tank (5), a control valve is arranged on the water outlet pipe, spray heads distributed at equal intervals are arranged at the bottom of the storage plate (7), a recovery pipe leading into the water tank (5) is arranged on the outer wall of one side, close to the treatment tank (3), of the tank body (2), and a water pump is arranged on the recovery pipe.

4. The evaporative pattern casting waste gas treatment system according to claim 2, wherein the adsorption equipment comprises an adsorption tank (4), a partition plate (14) welded to the inner wall of the adsorption tank (4), an adsorption cavity (15) arranged above the partition plate (14), and a washing cavity (16) arranged below the partition plate (14), wherein activated carbon is filled in the adsorption cavity (15), the washing cavity (16) is not filled with a sodium hydroxide concentrated solution, and the adsorption cavity (15) is provided with a gas guide pipe communicated with the washing cavity (16).

5. The waste gas treatment system for evaporative pattern casting according to claim 4, wherein the box body (2), the treatment box (3) and the adsorption box (4) are connected through a connecting pipe, an air inlet pipe is arranged on the outer wall of one side of the box body (2) far away from the treatment box (3), and an air outlet pipe penetrating through the adsorption box (4) is arranged inside the washing cavity (16).

6. The waste gas treatment system for the lost foam casting according to claim 4, wherein the outer walls of the box body (2), the treatment box (3) and the adsorption box (4) are provided with observation windows, and the sizes of the observation windows are respectively matched with the box body (2), the treatment box (3) and the adsorption box (4).