CN114308482A - Negative-pressure VOC (volatile organic compound) treatment device of multi-channel large-scale spraying workshop and use method thereof - Google Patents
Negative-pressure VOC (volatile organic compound) treatment device of multi-channel large-scale spraying workshop and use method thereof Download PDFInfo
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- CN114308482A CN114308482A CN202210070959.7A CN202210070959A CN114308482A CN 114308482 A CN114308482 A CN 114308482A CN 202210070959 A CN202210070959 A CN 202210070959A CN 114308482 A CN114308482 A CN 114308482A
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Abstract
The invention provides a negative pressure VOC treatment device of a multi-channel large-scale spraying workshop. The negative pressure VOC processing apparatus in the large-scale spraying workshop of multichannel includes: the device comprises a rack, wherein a backflow cavity is formed in the inner side of the rack, and a negative pressure pipe is installed on the rack. According to the negative pressure VOC treatment device for the multi-channel large-scale spraying workshop, the VOC gas in the working range of the inner side of the rack is conveniently subjected to negative pressure suction through the negative pressure fan unit, so that the VOC gas can be stably conveyed into the combustion chamber, purification treatment of the VOC gas is facilitated, when the device is used, the operation range of the spraying plate can be regulated and controlled through the adjusting assembly, the use requirements of different size ranges are met, the use requirements of the device for the multi-channel large-scale spraying workshop are improved, the operation space can be adaptively regulated and controlled by facing different spraying operation devices, the energy consumption and the cost are reduced, and the treatment efficiency of the VOC gas is improved.
Description
Technical Field
The invention relates to the technical field of spraying, in particular to a negative-pressure VOC (volatile organic compound) treatment device for a large multichannel spraying workshop and a using method thereof.
Background
With the development of society, industrial technology is continuously improved, mechanical production and processing technology are continuously refined, in the process of processing large-scale parts and steamships, the surfaces of the large-scale parts and steamships need to be subjected to multi-channel spraying treatment, a spraying workshop needs to be used during spraying treatment, the existing spraying workshop has large idle space, and VOC waste gas in the space after internal spraying is difficult to clean.
In the in-process of operation in spraying workshop, because the residual of VOC waste gas leads to the inside potential safety hazard that exists in workshop, influence maintainer's operation, need carry out the negative pressure with the VOC waste gas that produces after the spraying and draw, carry out the emission after the purification treatment to it after drawing, reduce the pollution to the environment on the one hand, on the other hand improves the stability of spraying workshop operation, reaches the standard of safe handling.
In prior art, current negative pressure VOC treatment facility for spraying workshop is at the in-process of operation, mainly to carrying out the negative pressure suction in all spaces in the workshop, and space range is big during the suction, and energy resource consumption and operation cycle are long, and inconvenient short time is discharged and is purified in controllable space for the influence of VOC waste gas is received for a long time to the air in workshop.
Therefore, it is necessary to provide a negative pressure VOC treatment device for a multi-channel large-scale spray painting workshop and a method for using the same to solve the above technical problems.
Disclosure of Invention
The invention provides a negative-pressure VOC treatment device of a large multi-channel spraying workshop, which solves the problem that how to control quick exhaust and purification of VOC waste gas after spraying needs to be further improved.
In order to solve the technical problem, the invention provides a negative pressure VOC treatment device of a multi-channel large-scale spraying workshop, which comprises: the device comprises a rack, a negative pressure pipe and a vacuum pump, wherein a backflow cavity is formed in the inner side of the rack; the bottom of the hydraulic lifting piece is fixedly arranged at the top of the rack; the surface of the spraying component is arranged on the outer surface of the rack, and the spraying component comprises a raw material box, a spraying pump set and a flow dividing pipe; the surface of the spraying plate is mounted on the inner side of the rack, a shunting cavity is formed in the spraying plate, a spray head is mounted on the surface of the spraying plate, a connecting sliding plate is fixedly mounted on the outer surface of the spraying plate, and a limiting sliding rod is fixedly mounted on the inner side of the rack; the surface of the adjusting assembly is fixedly arranged on the surface of the rack, and the adjusting assembly comprises an installing plate, an adjusting motor, a screw rod and a threaded sleeve; the bottom of the negative pressure fan unit is fixedly arranged at the top of the rack; the combustion chamber is arranged on the top of the frame.
Preferably, the surface of the raw material box is fixedly arranged on the outer surface of the rack, the bottom of the spraying pump set is fixedly arranged at the top of the raw material box, and the input end of the flow dividing pipe is fixedly arranged at the output end of the spraying pump set.
Preferably, the input end of the spraying pump set is communicated with the interior of the raw material box, the input end of the spraying pump set is positioned on the inner wall of the raw material box and close to the bottommost position, the output end of the flow dividing pipe is fixedly connected with the surface of the spraying plate, and the output end of the flow dividing pipe is communicated with the interior of the flow dividing cavity.
Preferably, the interior of the spray head and the interior of the distribution chamber are communicated with each other, and the output end of the spray head faces the middle of the rack.
Preferably, the connecting sliding plate is a U-shaped plate, the outer surface of the connecting sliding plate is in sliding connection with the inner surface of the rack, the surface of the connecting sliding plate is matched with the input end of the negative pressure pipe, and the surface of the limiting sliding rod is in sliding connection with the surface of the spraying plate.
Preferably, the fixed surface of mounting panel install in the internal surface of frame, adjusting motor's fixed surface install in the surface of mounting panel, the one end of lead screw with adjusting motor's output fixed connection, threaded sleeve's one end with the fixed surface of spraying board is connected, the surface of lead screw with threaded sleeve's internal surface threaded connection.
Preferably, the input end of the negative pressure fan unit is communicated with the inside of the backflow cavity, and the output end of the negative pressure fan unit is communicated with the input end of the combustion chamber.
Preferably, the outer fixed surface of spraying board installs flexible subassembly, flexible subassembly includes fixed plate and extensible member, the expansion plate is installed to the output of extensible member.
Preferably, the fixed plate is the L template to the surface of fixed plate with the fixed surface of spraying board is connected, the one side of expansion plate runs through the surface of spraying board and extends to the opposite side of spraying board, and the surface of expansion plate with the surface sliding connection of spraying board, the one end fixed mounting of extensible member in the surface of fixed plate, and the output of extensible member with the internal surface fixed connection of expansion plate.
The invention also provides a use method of the negative-pressure VOC treatment device of the multichannel large-scale spraying workshop, which comprises the following use steps:
s1 when the spray coating machine is used, the adjusting motor is started preferentially, the adjusting motor drives the screw rod to rotate, the screw rod drives the threaded sleeve to move and adjust, and the threaded sleeve drives the spray coating plate to move and adjust for adjusting and controlling the spray coating range;
s2, when the spraying plate moves outwards, the spraying plate drives the linkage toothed plate to move, the linkage toothed plate drives the gear to rotate, the gear drives the driven toothed plate to move inwards, the driven toothed plate drives the telescopic plate to stretch inwards, the problem that an opening below a spraying range is enlarged after the spraying plate moves is compensated, and the stability of negative pressure suction is kept;
s3, after the spraying range is adjusted according to the use requirement of the equipment, the adjusting motor is closed, the spraying assembly is started for spraying treatment, and the negative pressure fan set and the combustion chamber are started in the spraying process;
s4 negative pressure fan unit carries out the negative pressure through backward flow chamber and negative pressure pipe to the VOC gas of spraying within range and draws, and the gas after the negative pressure is drawn is transmitted to the inside of burning box and is carried out abundant burning processing.
Compared with the prior art, the negative pressure VOC treatment device of the multi-channel large-scale spraying workshop has the following beneficial effects:
the invention provides a negative pressure VOC treatment device of a large multichannel spraying workshop, which is characterized in that VOC gas in a working range on the inner side of a rack is conveniently subjected to negative pressure suction through a negative pressure fan unit, so that the VOC gas can be stably conveyed into a combustion chamber to be convenient for purification treatment of the VOC gas, when the device is used, the operation range of a spraying plate can be regulated and controlled through a regulating assembly, so that the use requirements of different size ranges are met, the use requirements of the device on the large multichannel spraying workshop are improved, the device can adaptively regulate and control an operation space in the face of different spraying operation devices, the energy consumption and the cost are reduced, and the treatment efficiency of the VOC gas is accelerated.
Drawings
Fig. 1 is a three-dimensional view of a first embodiment of a negative pressure VOC treatment apparatus for a large multi-channel spray painting shop according to the present invention;
FIG. 2 is a cross-sectional view of the entirety shown in FIG. 1;
FIG. 3 is a schematic view of the spray plate shown in FIG. 3 in an adjusted state of being spread outwardly;
fig. 4 is a schematic structural diagram of a negative pressure VOC treatment device of a large multi-channel spray painting shop according to a second embodiment of the present invention;
FIG. 5 is a schematic structural view of the retractable plate shown in FIG. 4 in a state of extending toward the inner side of the spraying range;
FIG. 6 is a schematic structural diagram of an optimized scheme of the negative pressure VOC treatment device of the multi-channel large-scale spraying workshop provided by the invention;
fig. 7 is a schematic structural view of the retractable plate shown in fig. 6 after the retractable plate is driven and extended towards the spraying range.
Reference numbers in the figures:
1. the device comprises a rack, 11, a reflux cavity, 12, a negative pressure pipe, 13 and a limiting slide rod;
2. a hydraulic lifting member;
3. a spraying component 31, a raw material box 32, a spraying pump set 33 and a shunt pipe;
4. the spraying plate 41, the flow distribution cavity 42, the spray head 43 and the connecting sliding plate;
5. the adjusting assembly 51, the mounting plate 52, the adjusting motor 53, the screw rod 54 and the threaded sleeve;
6. a negative pressure fan set;
7. a combustion chamber;
8. a telescopic component 81, a fixed plate 82 and a telescopic piece;
9. a retractable plate 91 and a mounting groove;
10. linkage subassembly, 101, drive toothed plate, 102, gear, 103, driven toothed plate.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
The first embodiment:
referring to fig. 1, fig. 2 and fig. 3, wherein fig. 1 is a three-dimensional view of a first embodiment of a negative pressure VOC treatment device for a large-scale multi-channel spray painting plant according to the present invention; FIG. 2 is a cross-sectional view of the entirety shown in FIG. 1; fig. 3 is a schematic structural view of the spray plate shown in fig. 3 in an outward expansion adjustment state.
The utility model provides a negative pressure VOC processing apparatus in large-scale spraying workshop of multichannel, includes: the device comprises a rack 1, wherein a reflux cavity 11 is formed in the inner side of the rack 1, a negative pressure pipe 12 is installed on the rack 1, and a limiting slide rod 13 is fixedly installed on the inner side of the rack 1;
the bottom of the hydraulic lifting piece 2 is fixedly arranged at the top of the rack 1, and the hydraulic lifting piece 2 adopts a hydraulic multi-stage lifting mechanism in the prior art to provide a power source for the integral lifting adjustment of the rack 1 so as to facilitate the integral lifting adjustment of the rack 1 to the inside of a working interval required to be used;
the surface of the spraying component 3 is arranged on the outer surface of the frame 1, and the spraying component 3 comprises a raw material tank 31, a spraying pump group 32 and a shunt pipe 33;
the surface of the spraying plate 4 is arranged on the inner side of the rack 1, a shunting cavity 41 is formed in the spraying plate 4, a spray head 42 is arranged on the surface of the spraying plate 4, and a connecting sliding plate 43 is fixedly arranged on the outer surface of the spraying plate 4;
the surface of the adjusting assembly 5 is fixedly arranged on the surface of the frame 1, and the adjusting assembly 5 comprises a mounting plate 51, an adjusting motor 52, a screw rod 53 and a threaded sleeve 54;
the bottom of the negative pressure fan unit 6 is fixedly arranged at the top of the rack 1;
and the combustion chamber 7 is mounted at the top of the frame 1.
Carry out the negative pressure through the VOC gas of negative-pressure air blower unit 6 convenience in with the inboard working range of frame 1 and draw, make the inside of carrying to combustion chamber 7 that VOC gas can be stable, so as to the purification treatment of VOC gas, when using, accessible adjusting part 5 regulates and control the operation scope of spraying board 4, in order to satisfy the user demand of different size ranges, improve equipment is to the user demand in the large-scale spraying workshop of multichannel, can the regulation and control operation space of adaptability in the face of different spraying operation equipment, reduce the consumption and the cost of the energy, accelerate the gaseous treatment effeciency of VOC.
The surface of the raw material tank 31 is fixedly arranged on the outer surface of the frame 1, the bottom of the spraying pump set 32 is fixedly arranged on the top of the raw material tank 31, and the input end of the shunt pipe 33 is fixedly arranged on the output end of the spraying pump set 32.
The spraying component 3 is used for providing spraying conditions for a multi-channel large-scale spraying workshop;
the spraying range is that two sets of spraying boards 4 and a set of frame 1 constitute to carry out spray coating to inboard equipment surface, easily produce a large amount of VOC gas after the spray coating, need timely processing, in order to ensure the security in workshop.
The equipment of the spraying component 3 adopts the processing equipment in the prior art, and provides stable support and guarantee for the operation of the equipment.
The input end of the spray pump set 32 is communicated with the interior of the raw material tank 31, the input end of the spray pump set 32 is positioned on the inner wall of the raw material tank 31 and close to the bottommost position, the output end of the shunt pipe 33 is fixedly connected with the surface of the spray plate 4, and the output end of the shunt pipe 33 is communicated with the interior of the shunt cavity 41.
The spray plate 4 sprays the spray raw material to the inside of the spray range through the flow-dividing chamber 41 and the spray head 42.
The spraying range can be adjusted and controlled by the movable spraying plates 4 at two sides so as to adapt to different ranges of operation and use.
The inside of the spray head 42 and the inside of the distribution chamber 41 communicate with each other, and the output end of the spray head 42 faces the middle of the housing 1.
The connecting sliding plate 43 is a U-shaped plate, the outer surface of the connecting sliding plate 43 is in sliding connection with the inner surface of the rack 1, the surface of the connecting sliding plate 43 is matched with the input end of the negative pressure pipe 12, and the surface of the limiting sliding rod 13 is in sliding connection with the surface of the spraying plate 4.
The connecting sliding plate 43 is arranged on the surface of the spraying plate 4, so that the spraying plate 4 can synchronously drive the connecting sliding plate 43 to move when moving, and the connecting sliding plate 43 can be closely connected with the inner surface of the rack 1 in a sliding manner when moving, thereby being convenient for adjusting and controlling the opening number of the negative pressure pipes 12 on the rack 1;
when the connecting sliding plate 43 slides to the position right below the input end of the negative pressure tube 12, the connecting sliding plate 43 conveniently shields and seals the input end of the negative pressure tube 12, and the stability of the negative pressure tube 12 when closed is guaranteed.
The fixed surface of mounting panel 51 install in the internal surface of frame 1, the fixed surface of adjusting motor 52 install in the surface of mounting panel 51, the one end of lead screw 53 with the output fixed connection of adjusting motor 52, the one end of screw thread sleeve 54 with the fixed surface of spraying board 4 is connected, the surface of lead screw 53 with the internal surface threaded connection of screw thread sleeve 54.
The adjusting motor 52 is connected with an external power supply when in use, and provides a power source for the rotation of the screw rod 53, the screw rod 53 drives the threaded sleeve 54 to move telescopically and adjust through a threaded connection structure when rotating, the threaded sleeve 54 synchronously drives the spraying plate 4 to move and adjust when moving telescopically, and the spraying range is conveniently adjusted and controlled when the spraying plate 4 moves and adjusts.
The input end of the negative pressure fan set 6 is communicated with the inside of the backflow cavity 11, and the output end of the negative pressure fan set 6 is communicated with the input end of the combustion chamber 7.
Negative-pressure air fan unit 6 adopts current drainage fan for provide the power source of negative pressure suction to the spraying scope, make the inside gas of spraying scope can transmit to negative-pressure air fan unit 6's inside through the inside of negative pressure pipe 12 and the inside of backward flow chamber 11, negative-pressure air fan unit 6 transmits remaining VOC gas to the inside of combustion chamber 7, and combustion chamber 7 fully burns the gas of input, stability and security when the guarantee VOC gas is handled.
The working principle of the negative-pressure VOC treatment device of the multi-channel large-scale spraying workshop provided by the invention is as follows:
s1, preferentially starting the adjusting motor 52, wherein the adjusting motor 52 drives the screw rod 53 to rotate, the screw rod 53 drives the threaded sleeve 54 to move and adjust, and the threaded sleeve 54 drives the spraying plate 4 to move and adjust for adjusting and controlling the spraying range;
s2, after the spraying range is adjusted according to the use requirement of the equipment, the adjusting motor 52 is closed, the spraying group component 3 is started for spraying treatment, and the negative pressure fan set 6 and the combustion chamber 7 are started in the spraying process;
s3, the negative pressure fan set 6 carries out negative pressure suction on the VOC gas in the spraying range through the return cavity 11 and the negative pressure pipe 12, and the gas after negative pressure suction is transmitted to the inside of the combustion box 7 for full combustion treatment.
Compared with the prior art, the negative pressure VOC treatment device of the multi-channel large-scale spraying workshop has the following beneficial effects:
carry out the negative pressure through the VOC gas of negative-pressure air blower unit 6 convenience in with the inboard working range of frame 1 and draw, make the inside of carrying to combustion chamber 7 that VOC gas can be stable, so as to the purification treatment of VOC gas, when using, accessible adjusting part 5 regulates and control the operation scope of spraying board 4, in order to satisfy the user demand of different size ranges, improve equipment is to the user demand in the large-scale spraying workshop of multichannel, can the regulation and control operation space of adaptability in the face of different spraying operation equipment, reduce the consumption and the cost of the energy, accelerate the gaseous treatment effeciency of VOC.
Second embodiment:
referring to fig. 4 and 5, the outer surface of the spray plate 4 is fixedly provided with a telescopic assembly 8, the telescopic assembly 8 includes a fixed plate 81 and a telescopic member 82, and the output end of the telescopic member 82 is provided with a telescopic plate 9.
The fixed plate 81 is the L template to the surface of fixed plate 81 with the fixed surface of spraying board 4 is connected, the one side of expansion plate 9 runs through the surface of spraying board 4 and extends to the opposite side of spraying board 4, and the surface of expansion plate 9 with the surface sliding connection of spraying board 4, the one end fixed mounting of extensible member 82 in the surface of fixed plate 81, and the output of extensible member 82 with the fixed surface connection of expansion plate 9.
Through install telescopic expansion plate 9 on the surface at spraying board 4, when spraying board 4 outwards expandes, the opening increase of bottom when expansion plate 9 extends in order to compensate spraying board 4 and expandes, keeps the stability of negative pressure in the operation scope, maintains the stable operation of equipment, also can realize regulating and controlling the bottom opening in the operation scope under the unmovable state of spraying board 4 simultaneously.
Wherein, extensible member 82 can be electric telescopic handle, pneumatic cylinder, telescopic cylinder, and preferred telescopic cylinder for adjust the removal to expansion plate 9 and provide support, make expansion plate 9 move the distance regulation and control of adjusting more accurate controllable, thereby conveniently regulate and control the opening size of spraying scope below.
The principle of the second embodiment of the negative-pressure VOC treatment device of the multichannel large-scale spraying workshop provided by the invention is as follows:
when the using position of the telescopic plate 9 needs to be adjusted, the telescopic piece 82 is started, the output end of the telescopic piece 82 drives the telescopic plate 9 to move, the telescopic plate 9 slides horizontally relatively, so that the size of the deep spraying range of the telescopic plate 9 changes, the size of the opening at the bottom of the spraying range is reduced, the stability of the negative pressure environment in the spraying range is guaranteed, the gas in the spraying range is prevented from diffusing outwards, and a good negative pressure environment is maintained;
when negative pressure is not needed to be pumped, the expansion piece 82 is started, the expansion piece 82 drives the expansion plate 9 to slide outwards, the surface of the expansion plate 9 is separated from the inside of the spraying range, the surface of the expansion plate 9 resets, and therefore lifting, regulation and installation and use of equipment are facilitated.
Has the advantages that:
through install telescopic expansion plate 9 on the surface at spraying board 4, when spraying board 4 outwards expandes, the opening increase of bottom when expansion plate 9 extends in order to compensate spraying board 4 and expandes, keeps the stability of negative pressure in the operation scope, maintains the stable operation of equipment, also can realize regulating and controlling the bottom opening in the operation scope under the unmovable state of spraying board 4 simultaneously.
Referring to fig. 6 and 7, the present invention provides an optimization scheme as follows:
mounting groove 91 has been seted up at the top of expansion plate 9, the outer fixed surface of spraying board 4 installs linkage assembly 10, linkage assembly 10's output with the internal surface connection of mounting groove 91, linkage assembly 10 includes linkage pinion rack 101, gear 102 and driven pinion rack 103.
The fixed surface of linkage pinion rack 101 install in the surface of spraying board 4, the bottom surface of linkage pinion rack 101 with the surface toothing of gear 102, gear 102 surface with the surface toothing of driven pinion rack 103, the bottom surface of driven pinion rack 103 with the inner wall fixed connection of mounting groove 91, the one side of expansion plate 9 runs through the surface of spraying board 4 and extends to the inboard of spraying board 4 to the surface of expansion plate 9 with the surface sliding connection of spraying board 4.
The using method comprises the following steps:
when the spraying device is used, the adjusting motor 52 is started preferentially, the adjusting motor 52 drives the screw rod 53 to rotate, the screw rod 53 drives the threaded sleeve 54 to move and adjust, and the threaded sleeve 54 drives the spraying plate 4 to move and adjust for adjusting and controlling the spraying range;
when the spraying plate 4 moves outwards, the spraying plate 4 drives the linkage toothed plate 101 to move, the linkage toothed plate 101 drives the gear 102 to rotate, the gear 102 drives the driven toothed plate 103 to move inwards, the driven toothed plate 103 drives the telescopic plate 9 to stretch inwards, the problem that an opening below a spraying range is enlarged after the spraying plate 4 moves is compensated, and the stability of negative pressure suction is kept;
after the spraying range is adjusted according to the use requirement of the equipment, the adjusting motor 52 is closed, the spraying assembly component 3 is started for spraying treatment, and the negative pressure fan set 6 and the combustion chamber 7 are started in the spraying process;
the negative pressure fan set 6 carries out negative pressure suction on the VOC gas in the spraying range through the reflux cavity 11 and the negative pressure pipe 12, and the gas after the negative pressure suction is transmitted to the inside of the combustion box 7 for full combustion treatment.
Has the advantages that:
through add linkage assembly 10 between the outside at spraying board 4 and the surface of expansion plate 9, when spraying board 4 moved the regulation to the outside, linkage assembly 10 can drive expansion plate 9 in step and move to the inboard for the space that bottom opening increased when compensating the spraying scope increase, reduced the opening scope of spraying scope, in order to ensure the inside negative pressure environment of spraying scope, avoided taking place VOC in the accommodation process and leaked.
The invention also provides a use method of the negative-pressure VOC treatment device of the multichannel large-scale spraying workshop, which comprises the following use steps:
s1 when the spray coating machine is used, the adjusting motor 52 is started preferentially, the adjusting motor 52 drives the screw rod 53 to rotate, the screw rod 53 drives the threaded sleeve 54 to move and adjust, and the threaded sleeve 54 drives the spray coating plate 4 to move and adjust, so that the spray coating range is adjusted and controlled;
s2, when the spraying plate 4 moves outwards, the spraying plate 4 drives the linkage toothed plate 101 to move, the linkage toothed plate 101 drives the gear 102 to rotate, the gear 102 drives the driven toothed plate 103 to move inwards, the driven toothed plate 103 drives the telescopic plate 9 to stretch inwards, the problem that an opening below a spraying range is enlarged after the spraying plate 4 moves is compensated, and the stability of negative pressure suction is kept;
s3, after the spraying range is adjusted according to the use requirement of the equipment, the adjusting motor 52 is closed, the spraying group component 3 is started for spraying treatment, and the negative pressure fan set 6 and the combustion chamber 7 are started in the spraying process;
s4 negative pressure fan set 6 carries out negative pressure suction to VOC gas in the spraying range through the return cavity 11 and the negative pressure pipe 12, the gas after negative pressure suction is transmitted to the inside of the combustion box 7 for full combustion treatment
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a negative pressure VOC processing apparatus in large-scale spraying workshop of multichannel which characterized in that includes:
the device comprises a rack, a negative pressure pipe and a vacuum pump, wherein a backflow cavity is formed in the inner side of the rack;
the bottom of the hydraulic lifting piece is fixedly arranged at the top of the rack;
the surface of the spraying component is arranged on the outer surface of the rack, and the spraying component comprises a raw material box, a spraying pump set and a flow dividing pipe;
the surface of the spraying plate is mounted on the inner side of the rack, a shunting cavity is formed in the spraying plate, a spray head is mounted on the surface of the spraying plate, a connecting sliding plate is fixedly mounted on the outer surface of the spraying plate, and a limiting sliding rod is fixedly mounted on the inner side of the rack;
the surface of the adjusting assembly is fixedly arranged on the surface of the rack, and the adjusting assembly comprises an installing plate, an adjusting motor, a screw rod and a threaded sleeve;
the bottom of the negative pressure fan unit is fixedly arranged at the top of the rack;
the combustion chamber is arranged on the top of the frame.
2. The negative-pressure VOC treatment device for the large-scale multi-channel spraying workshop according to claim 1, characterized in that the surface of the raw material tank is fixedly arranged on the outer surface of the frame, the bottom of the spraying pump set is fixedly arranged on the top of the raw material tank, and the input end of the shunt pipe is fixedly arranged on the output end of the spraying pump set.
3. The negative pressure VOC treatment device for the large-scale multi-channel painting workshop according to claim 2, characterized in that the input end of the paint pump set is communicated with the interior of the raw material tank, the input end of the paint pump set is located on the inner wall of the raw material tank and near the bottommost position, the output end of the shunt pipe is fixedly connected with the surface of the painting plate, and the output end of the shunt pipe is communicated with the interior of the shunt cavity.
4. The negative-pressure VOC treatment device for a large-scale multi-channel painting workshop according to claim 1, characterized in that the interior of the spray head and the interior of the distribution chamber are communicated with each other, and the output end of the spray head faces the middle of the frame.
5. The negative-pressure VOC treatment device for the large-scale multichannel spraying workshop as claimed in claim 1, wherein the connecting sliding plate is a U-shaped plate, the outer surface of the connecting sliding plate is slidably connected with the inner surface of the frame, the surface of the connecting sliding plate is matched with the input end of the negative-pressure pipe, and the surface of the limiting sliding rod is slidably connected with the surface of the spraying plate.
6. The negative-pressure VOC treatment device for the large-scale multi-channel spraying workshop according to claim 1, wherein the surface of the mounting plate is fixedly mounted on the inner surface of the frame, the surface of the adjusting motor is fixedly mounted on the outer surface of the mounting plate, one end of the screw rod is fixedly connected with the output end of the adjusting motor, one end of the threaded sleeve is fixedly connected with the surface of the spraying plate, and the surface of the screw rod is in threaded connection with the inner surface of the threaded sleeve.
7. The negative pressure VOC treatment device of the large-scale multi-channel spraying workshop according to claim 1, characterized in that an input end of the negative pressure fan unit is communicated with the interior of the backflow cavity, and an output end of the negative pressure fan unit is communicated with an input end of the combustion chamber.
8. The negative-pressure VOC treatment device for the large-scale multi-channel spraying workshop according to claim 1, wherein a telescopic assembly is fixedly mounted on the outer surface of the spraying plate, the telescopic assembly comprises a fixed plate and a telescopic piece, and a telescopic plate is mounted at the output end of the telescopic piece.
9. The negative-pressure VOC treatment device for the large-scale multi-channel spraying workshop according to claim 8, wherein the fixed plate is an L-shaped plate, the surface of the fixed plate is fixedly connected with the surface of the spraying plate, one surface of the expansion plate penetrates through the surface of the spraying plate and extends to the other side of the spraying plate, the surface of the expansion plate is slidably connected with the surface of the spraying plate, one end of the expansion piece is fixedly mounted on the surface of the fixed plate, and the output end of the expansion piece is fixedly connected with the inner surface of the expansion plate.
10. The use method of the negative-pressure VOC treatment device of the multichannel large-scale spraying workshop is characterized by comprising the following use steps:
s1 when the spray coating machine is used, the adjusting motor is started preferentially, the adjusting motor drives the screw rod to rotate, the screw rod drives the threaded sleeve to move and adjust, and the threaded sleeve drives the spray coating plate to move and adjust for adjusting and controlling the spray coating range;
s2, when the spraying plate moves outwards, the spraying plate drives the linkage toothed plate to move, the linkage toothed plate drives the gear to rotate, the gear drives the driven toothed plate to move inwards, the driven toothed plate drives the telescopic plate to stretch inwards, the problem that an opening below a spraying range is enlarged after the spraying plate moves is compensated, and the stability of negative pressure suction is kept;
s3, after the spraying range is adjusted according to the use requirement of the equipment, the adjusting motor is closed, the spraying assembly is started for spraying treatment, and the negative pressure fan set and the combustion chamber are started in the spraying process;
s4 negative pressure fan unit carries out the negative pressure through backward flow chamber and negative pressure pipe to the VOC gas of spraying within range and draws, and the gas after the negative pressure is drawn is transmitted to the inside of burning box and is carried out abundant burning processing.
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|---|---|---|---|
| CN202210070959.7A CN114308482B (en) | 2022-01-21 | 2022-01-21 | Negative pressure VOC (volatile organic compound) treatment device of multichannel large-scale spraying workshop and application method thereof |
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| CN202210070959.7A CN114308482B (en) | 2022-01-21 | 2022-01-21 | Negative pressure VOC (volatile organic compound) treatment device of multichannel large-scale spraying workshop and application method thereof |
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| CN114308482B CN114308482B (en) | 2023-04-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115646709A (en) * | 2022-12-12 | 2023-01-31 | 山东亿安铝业有限公司 | Automatic formula spraying device |
Citations (7)
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| CN115646709A (en) * | 2022-12-12 | 2023-01-31 | 山东亿安铝业有限公司 | Automatic formula spraying device |
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| CN114308482B (en) | 2023-04-25 |
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