CN105903625B - Oily leaching formula multifunction surface processing equipment - Google Patents

Abstract

The invention relates to an oil shower type multifunctional surface treatment equipment. The interior space of the chamber body is divided into a static pressure chamber and a paint spraying chamber. The air outlet of the hot air circulation device for sending fresh air is connected to the static pressure chamber. Installed on the hot air circulation return air pipe; the front wall of the spray booth is equipped with a door, and the left and right sides of the spray booth are respectively equipped with a three-dimensional lifting operation platform; there is an induced air chamber under each three-dimensional lifting operation platform, and the top of the induced air chamber It is a hollowed-out steel grille, and there is a paint mist filter cotton under the steel grille; the air outlet of the induced air chamber is purified through the air duct through the oil spray paint mist, and the electric air valve is connected to the inlet of the oil spray paint mist purification device. The outlet of the oil spray paint mist purification device is connected to the inlet of the activated carbon filter through the exhaust pipe, and the outlet of the activated carbon filter is installed with a discharge pipe. The invention can reduce workpiece turnover, improve operating environment, meet environmental protection requirements and save investment.

Description

Oil shower multifunctional surface treatment equipment

technical field

The invention relates to a surface treatment device, in particular to an oil-spray multi-functional surface treatment device capable of cleaning and grinding large workpieces, spraying paint, leveling and drying coatings.

Background technique

At present, the cleaning and grinding, paint spraying, leveling, and coating drying operations of large workpieces in China are generally done in the workshop with open stations, paint spraying in a simple mobile spray booth, and natural drying in the workshop. The existing problems are: the dust during grinding cannot be effectively absorbed and treated, the paint mist during painting cannot be effectively treated, a clean and dry film-forming environment cannot be provided, and the qualified rate of products is low.

Contents of the invention

The purpose of the present invention is to overcome the deficiencies in the prior art, and provide an oil-spray multifunctional surface treatment equipment, which has a reasonable structural design, can reduce workpiece turnover, improves the operating environment for workers, meets environmental protection emission requirements, and is energy-saving and environmentally friendly. Save equipment investment.

According to the technical solution provided by the present invention: oil shower multifunctional surface treatment equipment, it is characterized in that it includes a chamber body, an oil shower paint mist purification device, a fresh air hot air circulation device, a door, an exhaust pipe, a three-dimensional lifting operation table, Paint mist filter cotton, steel grille, lighting light box, activated carbon filter device, oil spray paint mist purification air intake electric air valve, fresh air circulation air supply pipe and exhaust pipe; the internal space of the chamber body is divided into upper and lower parts , the upper part is a static plenum, the lower part is a spray booth, and a pressure-stabilizing layer is arranged between the static plenum and the spray booth; The fresh air circulation air supply pipe is connected to the static pressure chamber from the top of the static pressure chamber, and the lower part of the spray booth is connected to the return air outlet of the fresh air circulation device through the hot air circulation return pipe. The hot air circulation air intake electric air valve is installed On the hot air circulation return air pipe; the front wall of the spray booth is equipped with a door, and the left and right sides of the spray booth are respectively equipped with three-dimensional lifting operation tables arranged face to face and symmetrically, and an electric flat car is left between the two three-dimensional lifting operation tables Walking channel; under each three-dimensional lifting operation platform, there is an induced air chamber, the top of which is a hollowed-out steel grid, and paint mist filter cotton is arranged under the steel grid; the induced air chamber The air outlet of the air chamber is connected to the inlet of the oil shower type paint mist purification device through the air duct. The oil shower type paint mist purification device is used to filter the overspray paint mist. There is a Oil shower paint mist purification air intake electric air valve; the outlet of the oil shower paint mist purification device is connected with the inlet of the activated carbon filter device through the exhaust pipe, and the outlet of the activated carbon filter device is installed with a discharge pipe; the spray paint A light box is installed on the interior wall.

As a further improvement of the present invention, the chamber body is a plate and frame structure, the outer frame is made of steel material, the wall board is made of rock wool sandwich board, and the inner wall of the wall board is provided with a butt-welded mesh pallet, and the inner wall of the bump-welded mesh pallet is Fill filter top cotton.

As a further improvement of the present invention, the oil shower type paint mist purification device includes a clean room body, an oil curtain plate, an oil and gas separator, an oil storage tank, an oil circulation filter, a circulation oil pump, valves, pipelines and oil spray pipes; The oil curtain plate is set in the clean room body, and the inner space of the clean room body is divided into two parts by the oil curtain plate: the air inlet section and the air outlet section; there is an air inlet at the bottom of the air inlet section, and the air inlet is connected to the air duct ; There is a cleaning exhaust outlet on the top of the air inlet section, which is connected to a branch inlet of the exhaust pipe through the cleaning exhaust electric air valve; an oil-gas separator is arranged in the air outlet section, There is an oil storage tank under the device, the oil suction port of the circulating oil pump is connected with the oil storage tank, the oil outlet of the circulating oil pump is connected with the oil pouring pipe through a pipeline, and an oil circulation filter and a valve are installed on the pipeline, and the oil spraying pipe is set Above the oil curtain plate, the oil in the oil storage tank is pumped out by the circulating oil pump, and evenly sprayed on the oil curtain plate through the oil spray pipe to form an oil film flowing evenly from top to bottom; The exhaust air outlet is connected with another branch inlet of the exhaust pipe through the oil shower rear exhaust air electric damper.

As a further improvement of the present invention, the fresh air hot air circulation device includes a fan platform, an electric heating hot air generator, a fan chamber, a blower and a fresh air electric damper; the blower chamber is installed on the fan platform, and the blower is installed In the fan chamber, the side wall of the fan chamber is provided with a fresh air inlet, and a fresh air electric air valve is installed at the fresh air inlet; the air outlet of the blower is connected with the inlet of the electric heating hot air generator through a soft joint, and the electric heating hot air The outlet of the generator is connected to the top of the chamber body through the fresh air circulation air supply pipe, the lower end of the hot air circulation return air pipe communicates with the lower part of the spray booth, and the upper end of the hot air circulation return air pipe communicates with the air return port on the fan chamber body.

As a further improvement of the present invention, a patterned steel plate floor is laid beside the steel grid on the top of the induced draft chamber.

As a further improvement of the present invention, the gate includes a door leaf, a hinge and supporting casters, a plurality of door leaves are hinged to each other through hinges, each door leaf is provided with supporting casters at the bottom, and a safety access door is provided on one of them.

As a further improvement of the present invention, the wind turbine platform is provided with escalators and guardrails.

As a further improvement of the present invention, the activated carbon filter device includes a filter chamber body, an activated carbon bag filter and an exhaust fan, the filter chamber body is provided with an air inlet, and the exhaust pipe is connected to the air inlet; The exhaust fan is installed in the filter chamber, the activated carbon bag filter is arranged before the air inlet of the exhaust fan, and the air outlet of the exhaust fan is connected with the discharge pipe through a flexible joint.

Compared with the prior art, the present invention has the following advantages:

1) Grinding and cleaning, paint leveling, and paint film drying are completed in the same room to reduce workpiece turnover.

2) The dust generated during grinding can be secondarily adsorbed and absorbed by the filter cotton and activated carbon filter device through the push-pull action of the air supply and exhaust, which improves the operating environment for workers.

3) The overspray paint mist during painting can be adsorbed and absorbed three times through the paint mist filter cotton, oil spray paint mist purification device and activated carbon filter device through the push-pull action of the air supply and exhaust, and can meet the environmental protection emission requirements.

4) When drying, the electric heating hot air generator in the fresh air hot air circulation device is used to indirectly heat the circulating air, and at the same time, the paint film of the workpiece is dried and cured.

5) All functions can be realized independently, suitable for surface treatment of small batches of large workpieces, energy saving and environmental protection, and equipment investment savings.

Description of drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

FIG. 2 is a top view of FIG. 1 .

Fig. 3 is a right side view of Fig. 1 .

Fig. 4 is a top view of the chamber in Fig. 1 .

detailed description

The present invention will be further described below in conjunction with specific drawings and embodiments.

As shown in the figure: the oil shower multifunctional surface treatment equipment in the embodiment is mainly composed of a chamber body 1, a fresh air circulation air supply pipe 2, an electric heating hot air generator 3, a fan chamber body 4, a blower fan 5, and a fresh air electric fan Valve 6, fan platform 7, hot air circulation return pipe 8, gate 9, lighting light box 10, three-dimensional lifting operation table 11, electric flat car 12, induced air chamber 13, steel grille 14, paint mist filter cotton 15, induced air Pipe 16, oil spray paint mist purification air intake electric air valve 17, clean room body 18, oil curtain plate 19, oil storage tank 20, oil gas separator 21, circulating oil pump 22, pipeline 23, oil spray pipe 24, exhaust pipe 25 , exhaust air electric air valve 26 after oil shower, cleaning exhaust air outlet through cleaning exhaust air electric air valve 27, filter chamber body 28, activated carbon bag filter 29, exhaust fan 30, discharge pipe 31 and hot air circulation air intake electric Air valve 32 etc. are formed.

As shown in Figures 1 to 4, the interior space of the chamber body 1 is divided into upper and lower parts, the upper part is a static pressure chamber 1.1, and the lower part is a paint spraying chamber 1.2, and a voltage stabilizing layer is provided between the static pressure chamber 1.1 and the paint spraying chamber 1.2 . In this embodiment, the chamber body 1 is a plate and frame structure, the outer frame is made of steel material, the wall board is made of rock wool sandwich panel, and the inner wall of the wall board is provided with a touch-welded mesh pallet, and the bump-welded mesh pallet is filled with Filter top cotton.

As shown in Figures 1 to 3, the fresh air hot air circulation device is arranged on the side of the chamber body 1, and the air outlet of the fresh air hot air circulation device communicates from the top of the static pressure chamber 1.1 through the fresh air circulation air supply pipe 2 to the In the static pressure chamber 1.1, the lower part of the spray booth 1.2 communicates with the air return port of the hot air circulation device for sending fresh air through the hot air circulation return pipe 8.

In this embodiment, the fresh air hot air circulation device is mainly composed of a fan platform 7, an electric heating hot air generator 3, a fan chamber body 4, a blower fan 5 and a fresh air electric damper 6; the fan chamber body 4 is installed on the fan platform 7, the fan platform 7 is provided with escalators and guardrails, the blower 5 is installed in the fan chamber body 4, the side wall of the fan chamber body 4 is provided with a fresh air inlet, and a fresh wind electric damper 6 is installed at the fresh air inlet; The air outlet of 5 is connected to the inlet of the electric heating hot air generator 3 through a soft joint, and the outlet of the electric heating hot air generator 3 is connected to the top of the chamber body 1 through the fresh air circulation air supply pipe 2, and the hot air circulation returns the air The lower end of the pipe 8 is communicated with the lower part of the spray booth 1.2, and the upper end of the hot air circulation return air pipe 8 is communicated with the air return port on the fan chamber body 4 .

As shown in Figure 1, the front wall of the spray booth 1.2 is equipped with a gate 9, and the left and right sides of the spray booth 1.2 are respectively provided with a three-dimensional lifting operation platform 11 arranged face to face symmetrically, and there is a gap between the two three-dimensional lifting operation platforms 11. A passage for the electric flat car 12 to walk.

In this embodiment, the gate 9 is mainly composed of a door leaf, hinges and supporting casters. A plurality of door leaves are hinged to each other through hinges. The bottom of each door leaf is provided with supporting casters, and one of them is provided with a safety access door. The three-dimensional lifting operation platform 11 can adopt a conventional design in the prior art or be outsourced. The electric flat car 12 is used for transporting workpieces and can be purchased directly.

As shown in Figures 1 to 4, an air induction chamber 13 is provided below each three-dimensional lifting operation platform 11, and the top of the air induction chamber 13 is a hollow steel grid 14, and under the steel grid 14 A paint mist filter cotton 15 is provided; the air outlet of the induced air chamber 13 is connected to the inlet of the oil shower type paint mist purification device through the air induction pipe 16, and the oil shower type paint mist purification device is used to filter the overspray paint mist. At the entrance of the oil shower type paint mist purification device, an electric wind valve 17 for oil shower paint mist purification air intake is provided.

In this embodiment, the steel grid 14 is welded by flat steel and twisted steel. In order to facilitate subsequent inspection and maintenance, a patterned steel plate floor is laid beside the steel grid 14 on the top of the draft chamber 13 .

In this embodiment, the oil shower type paint mist purification device is mainly composed of a clean room body 18, an oil curtain plate 19, an oil and gas separator 21, an oil storage tank 20, an oil circulation filter, a circulation oil pump 22, valves, pipelines 23 and The oil spray pipe 24 is composed of; the oil curtain plate 19 is arranged in the clean room body 18, and the inner space of the clean room body 18 is divided into two parts of the air inlet section 18.1 and the air outlet section 18.2 by the oil curtain plate 19; in the air inlet section 18.1 The bottom of the bottom is provided with air inlet, and this air inlet is connected with air-introduction pipe 16; The top of air inlet section 18.1 is provided with cleaning air outlet, and this cleaning air outlet is through the connection of cleaning exhaust electric air valve 27 and exhaust pipe 25. A branch inlet is connected; an oil-gas separator 21 is arranged in the air outlet section 18.2, and an oil storage tank 20 is arranged below the oil-gas separator 21. The oil suction port of the circulating oil pump 22 communicates with the oil storage tank 20, and the oil outlet of the circulating oil pump 22 The port is connected to the oil pouring pipe 24 through the pipeline 23, and an oil circulation filter and a valve are installed on the pipeline 23. The oil pouring pipe 24 is arranged above the oil curtain plate 19, and the oil in the oil storage tank 20 is pumped by the circulating oil pump 22. out, sprayed evenly on the oil curtain plate 19 through the oil spray pipe 24, forming an oil film flowing evenly from top to bottom; during work, the oversprayed paint mist is purified when passing through the oil film under the action of negative pressure, and then flows into the oil storage tank, the paint and oil residue can be regularly removed by filtering through the oil circulation filter; the top of the air outlet section 18.2 is provided with an oil shower rear air outlet, and the oil shower rear exhaust air outlet is oiled and then exhausted by an electric air valve 26 and an exhaust pipe Another branch import connection of 25.

As shown in FIGS. 1 to 3 , the outlet of the oil shower type paint mist purification device is connected to the inlet of the activated carbon filter device through an exhaust pipe 25 , and a discharge pipe 31 is installed at the outlet of the activated carbon filter device.

In this embodiment, the activated carbon filter device is mainly composed of a filter chamber body 28, an activated carbon bag filter 29 and an exhaust fan 30. The filter chamber body 28 is provided with an air inlet, and the exhaust pipe 25 is connected to The air inlet; the exhaust fan 30 is installed in the filter chamber body 28, and the activated carbon bag filter 29 is arranged before the air inlet of the exhaust fan 30, and the air outlet of the exhaust fan 30 passes through a soft joint and a discharge pipe 31 connect.

As shown in FIG. 1 , a lighting light box 10 is installed on the inner wall of the spray booth 1.2 , and the lighting light box 10 preferably adopts a double-pipe explosion-proof lighting light box 10 .

Operating principle and working process of the present invention are as follows:

1. When grinding and cleaning: After the workpiece is transported by the electric flat car 12 into the chamber body 1, the fresh air electric air valve 6 and the cleaning and exhaust electric air valve 27 are opened, and the hot air circulation air intake electric air valve 32 and the oil shower rear row are closed at the same time. Wind electric air valve 26; the outdoor air is inhaled by the fresh air hot air circulation device, and after primary filtering and heating (for winter use), it is sent into the static pressure chamber 1.1, and the clean air is evenly sent into the spray paint through the pressure stabilizing layer In room 1.2, the dust airflow generated by the workers during grinding and cleaning is carried out by the exhaust fan 30 through the steel grille 14 and the paint mist filter cotton 15 for dust removal treatment, and then purified by the activated carbon filter device before being discharged up to the standard, and the grinding and cleaning process is completed.

2. When spraying paint: open the fresh air electric air valve 6 and the exhaust air electric air valve 26 after oil shower, and close the hot air circulation electric air valve 32 and the cleaning exhaust electric air valve 27 at the same time; The air is inhaled, filtered and heated (for winter), and sent to the static pressure chamber 1.1 of the spray booth 1.2, and the clean air is evenly sent to the operation room through the pressure stabilization layer. The laminar air in the operation room is 0.3 The speed of -0.5m/s skims over the outer surface of the product, and the overspray paint mist during painting is brought to the oil spray washing device, and the circulating oil in the oil tank and the air with paint mist pass through the oil spray washing device at a high speed and are separated from oil and gas The device is fully mixed with the air with paint mist at the same time, and the oil and paint droplets are separated from the air by using different wind speeds, oil baffles and wind directions for multiple conversions, so that the paint drops into the oil and is absorbed by the oil. The oil is recycled after being filtered, and the separated air enters the activated carbon filter device for adsorption and purification through the exhaust pipe 25, and the net fraction can reach 98%. The purified air is discharged through the discharge pipe 31 up to the standard, and the painting process is completed.

3. When drying: open the electric air valve 32 for hot air circulation, and close the electric air valve 6 for fresh air and the electric air valve 17 for purifying the air with oil and paint mist at the same time; start the fresh air and hot air circulation device, and start the electric heating hot air generator 3. The heated hot air begins to dry the paint film on the workpiece under the action of the circulating fan, and the drying temperature is <80°C; after the drying process time is reached, open the door 9 with a safety door, and the electric flat car 12 will The workpiece is transported out and the drying process is completed.

Claims (7)

1. Oil shower multifunctional surface treatment equipment, characterized in that it includes a chamber body (1), oil shower paint mist purification device, fresh air and hot air circulation device, door (9), exhaust pipe (25), three-dimensional lifting Operating table (11), paint mist filter cotton (15), steel grille (14), lighting light box (10), activated carbon filter device, oil spray paint mist purification electric air valve for air intake (17), fresh air circulation air Air supply pipe (2) and discharge pipe (31); the inner space of the chamber body (1) is divided into upper and lower parts, the upper part is the static pressure chamber (1.1), the lower part is the painting chamber (1.2), and the static pressure chamber (1.1 ) and the spray booth (1.2) are provided with a pressure stabilizing layer; the fresh air hot air circulation device is arranged on the side of the chamber body (1), and the air outlet of the fresh air hot air circulation device passes through the fresh air circulation air supply pipe (2 ) from the top of the static plenum (1.1) to the inside of the static plenum (1.1), and the lower part of the spray booth (1.2) communicates with the return air outlet of the fresh air hot air circulation device through the hot air circulation return pipe (8), and the hot air circulates The air intake electric air valve (32) is installed on the hot air circulation return air pipe (8); the front wall of the spray booth (1.2) is equipped with a gate (9), and the left and right sides of the spray booth (1.2) are respectively equipped with face-to-face Symmetrically arranged three-dimensional lifting operation platforms (11), there is a passage for electric flat cars (12) to walk between the two three-dimensional lifting operation platforms (11); each three-dimensional lifting operation platform (11) is provided with Air-introduction chamber (13), the top of the air-induction chamber (13) is a hollow steel grille (14), and paint mist filter cotton (15) is arranged under the steel grille (14); The air outlet of the chamber (13) is connected to the inlet of the oil spray paint mist purification device through the air duct (16). The oil spray paint mist purification device is used to filter the overspray paint mist. The inlet of the oil shower paint mist purification air intake electric air valve (17); the outlet of the oil shower paint mist purification device is connected to the inlet of the activated carbon filter device through the exhaust pipe (25), and the activated carbon A discharge pipe (31) is installed at the outlet of the filter device; a light box (10) is installed on the inner wall of the spray booth (1.2); The oil shower type paint mist purification device includes a purification chamber body (18), an oil curtain plate (19), an oil and gas separator (21), an oil storage tank (20), an oil circulation filter, a circulation oil pump (22), valves, Pipeline (23) and oil spray pipe (24); the oil curtain plate (19) is set in the clean room body (18), and the inner space of the clean room body (18) is separated by the oil curtain plate (19) as the air inlet section (18.1) and air outlet section (18.2); there is an air inlet at the bottom of the air inlet section (18.1), which is connected to the air duct (16); There is a cleaning exhaust port, which is connected to a branch inlet of the exhaust pipe (25) through the cleaning and exhaust electric air valve (27); an oil-gas separator (21) is arranged in the air outlet section (18.2) , an oil storage tank (20) is provided below the oil-gas separator (21), the oil suction port of the circulating oil pump (22) communicates with the oil storage tank (20), and the oil outlet of the circulating oil pump (22) passes through the pipeline (23) It is connected with the oil pouring pipe (24), and an oil circulation filter and a valve are installed on the pipe (23). The oil pouring pipe (24) is set above the oil curtain plate (19), and the oil in the oil storage tank (20) It is pumped out by the circulating oil pump (22), and evenly sprayed on the oil curtain plate (19) through the oil spray pipe (24), forming an oil film flowing evenly from top to bottom; Air exhaust port, the exhaust air outlet after oil shower is connected with another branch inlet of exhaust pipe (25) through oil shower rear air exhaust electric damper (26). 2. The oil shower type multi-functional surface treatment equipment according to claim 1, characterized in that: the chamber body (1) is a plate and frame structure, the outer frame is made of steel material, and the wall board is made of rock wool sandwich panel. The inner wall of the siding is provided with a touch-welding mesh pallet, and the touch-welding mesh pallet is filled with filter top cotton. 3. The oil shower type multifunctional surface treatment equipment according to claim 1, characterized in that: the fresh air supply and hot air circulation device includes a fan platform (7), an electric heating hot air generator (3), a fan chamber (4 ), the blower (5) and the fresh air electric damper (6); the fan chamber (4) is installed on the fan platform (7), the blower (5) is installed in the fan chamber (4), and the fan chamber The side wall of the body (4) is provided with a fresh air inlet, and a fresh air electric air valve (6) is installed at the fresh air inlet; the air outlet of the blower (5) is connected to the inlet of the electric heating hot air generator (3) through a soft joint, The outlet of the electric heating hot air generator (3) is connected to the top of the chamber body (1) through the fresh air circulation air supply pipe (2), and the lower end of the hot air circulation return air pipe (8) is connected to the lower part of the spray booth (1.2) Connected, the upper end of the hot air circulation return air pipe (8) communicates with the return air port on the fan chamber body (4). 4. The oil shower type multifunctional surface treatment equipment according to claim 1, characterized in that: a checkered steel plate floor is laid on the side of the steel grid (14) on the top of the induced draft chamber (13). 5. The oil shower multi-functional surface treatment equipment according to claim 1, characterized in that: the gate (9) includes a door leaf, hinges and supporting casters, a plurality of door leaves are hinged to each other through hinges, and the bottom of each door leaf Equipped with supporting castors and a safety access door on one of them. 6. The oil shower multifunctional surface treatment equipment according to claim 3, characterized in that: the fan platform (7) is provided with escalators and guardrails. 7. The oil shower type multifunctional surface treatment equipment according to claim 1, characterized in that: the activated carbon filter device includes a filter chamber body (28), an activated carbon bag filter (29) and an exhaust fan (30 ), the filter chamber body (28) is provided with an air inlet, and the exhaust pipe (25) is connected to the air inlet; the exhaust fan (30) is installed in the filter chamber body (28), and the active The carbon bag filter (29) is arranged before the air inlet of the exhaust fan (30), and the air outlet of the exhaust fan (30) is connected with the discharge pipe (31) through a flexible joint.