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CN-122006371-A - Multistage purifier of exhaust for environmental protection spray-baking varnish house

CN122006371ACN 122006371 ACN122006371 ACN 122006371ACN-122006371-A

Abstract

The application discloses an environment-friendly multistage exhaust purification device for a paint spraying and baking room, and relates to the technical field of purification treatment of exhaust gas of paint spraying and baking rooms. According to the exhaust multistage purification device for the environment-friendly spray and baking paint house, the double-layer bottom plate is in linkage fit with the winding mechanism, so that after the front filter cotton is loosened through lifting movement of the lower bottom plate, the winding roller can automatically wind the saturated filter cotton, the unwinding roller synchronously releases new filter cotton, manual disassembly and replacement are not needed in the whole process, automation of filter cotton replacement is realized, lifting movement of the double-layer bottom plate is accurately matched with winding action of the winding mechanism, displacement and wrinkling of the filter cotton under the negative pressure effect can be avoided under the compression action of the lower bottom plate in a normal state, the filtering area is ensured to be uniform, the filtering efficiency and the service life of the filter cotton are improved, and when the filter cotton is replaced, the lower bottom plate descends and loosens the filter cotton, and the filter cotton can be prevented from being torn and damaged due to excessive tension generated by compression in the winding process.

Inventors

  • WANG QUAN
  • WANG HAIYAN
  • WANG YI

Assignees

  • 盐城中申瑞德涂装设备有限公司

Dates

Publication Date
20260512
Application Date
20260330

Claims (10)

  1. 1. The utility model provides an environmental protection is spouted stoving varnish room and is used multistage purifier of exhaust, includes organism (1) and blank holder leak protection subassembly (5), its characterized in that, organism (1) inside top is equipped with stoving varnish chamber (2), and organism (1) inside below is equipped with filter chamber (3), and stoving varnish chamber (2) bottom and filter chamber (3) intercommunication department has been laid upper plate (4), and upper plate (4) are fixed knot and are used for bearing equipment and vehicle that get into stoving varnish chamber (2), blank holder leak protection subassembly (5) set up in filter chamber (3) top, blank holder leak protection subassembly (5) are including setting up in lower plate (501) of upper plate (4) below, and lower plate (501) periphery inlays and are equipped with blank holder (502), lower plate (501) bottom both sides are connected with lifter (503), and lower plate (501) internal fixation has inner support (504), inner support (504) middle part notch inner wall fixed mounting has torsional spring support (505), and torsional spring support (505) end rotation installation backing roll (506), upper plate (501) are equipped with in front filter roll (7) and are equipped with in front of filter roll (7) and are placed in front of filter roll (7), paint mist in the baking varnish cavity (2) enters the filter cavity (3) through the upper base plate (4) under a negative pressure state and is intercepted by a fiber filter material of the front filter cotton (6), and the front filter cotton (6) is tightly attached to the periphery of the bottom of the upper base plate (4) under the action of a peripheral edge pressing strip (502) at the top of the lower base plate (501) so as to ensure the filtering area and the sealing effect.
  2. 2. The multistage exhaust purification device for an environment-friendly paint spraying and baking room according to claim 1, wherein a clutch winding assembly (8) is arranged on the other side of the bottom of the filter cavity (3), the clutch winding assembly (8) comprises a winding roller (801) fixedly arranged on the other side of the bottom of the filter cavity (3) through a bracket, a key shaft (802) is coaxially fixed at the side end of the winding roller (801), a sliding sleeve (803) is axially and slidably arranged outside the key shaft (802), and a key groove matched with the outer Zhou Jiantu of the key shaft (802) is arranged inside the sliding sleeve (803).
  3. 3. The multi-stage exhaust purification device for an environment-friendly paint spraying and baking house according to claim 2, wherein the clutch winding assembly (8) further comprises a driven disc (804) coaxially fixed at the end part of the sliding sleeve (803), the driven disc (804) is in friction transmission with the inner wall of the cavity of the driving disc (805), the driving disc (805) is fixedly connected to the rotating end of the motor (806), and when the sliding sleeve (803) is axially moved outside the key shaft (802) until the driven disc (804) is engaged with the driving disc (805), the transmission link between the motor (806) and the winding roller (801) is established, and otherwise, the transmission link is disconnected.
  4. 4. The multi-stage exhaust purification device for an environment-friendly paint spraying and baking room according to claim 3, wherein the clutch winding assembly (8) further comprises a ring groove (807) radially distributed on the periphery of the sliding sleeve (803), a driving pin (808) is clamped in the ring groove (807), the driving pin (808) is fixedly connected to the axial tail end of the telescopic rod (809), and the head end of the telescopic rod (809) is fixedly connected to the telescopic end of the electric cylinder (810).
  5. 5. The multistage exhaust purification device for an environment-friendly paint spraying and baking room according to claim 4, wherein a linkage lifting assembly (9) is installed at the middle end of the bottom of the filter cavity (3), the linkage lifting assembly (9) comprises a support plate (901) fixedly installed at the middle end of the bottom of the filter cavity (3), a support for installing a power supply cylinder (810) is fixed outside the side end of the support plate (901), and hanging plates (902) ‌ are fixed on two sides of the support plate (901) at equal intervals along the long side direction.
  6. 6. The multistage exhaust purification device for an environment-friendly paint spraying and baking room according to claim 5, wherein the linkage lifting assembly (9) further comprises a V-shaped pin (903) rotatably mounted on the inner side of the hanging plate (902), a transmission shaft (904) is mounted at the rotation axis of the V-shaped pin (903), and the V-shaped pins (903) on two opposite sides of the support plate (901) are rotated in a linkage manner through the transmission shaft (904).
  7. 7. The multistage exhaust purification device for an environment-friendly paint spraying and baking room according to claim 6, wherein the linkage lifting assembly (9) further comprises trunnions (905) connected to one end of the V-shaped pin (903), the trunnions (905) are distributed at equal intervals along the axial direction of the telescopic rod (809), and the linear motion of the telescopic rod (809) is converted into the deflection motion of the V-shaped pin (903) around the transmission shaft (904) through the trunnions (905).
  8. 8. The exhaust multistage purification device for an environment-friendly paint spraying and baking room according to claim 7, wherein the linkage lifting assembly (9) further comprises a sliding groove (906) arranged at the other end of the V-shaped pin (903), the sliding groove (906) is in sliding fit with a pin body at the bottom end of the lifting rod (503), and the deflection movement of the V-shaped pin (903) is converted into lifting movement of the lower base plate (501) through the matching of the sliding groove (906) and the lifting rod (503) so as to adjust the distance between the lower base plate and the upper base plate (4).
  9. 9. The multi-stage exhaust purification device for an environment-friendly paint spraying and baking room according to claim 8, wherein an equipment cavity (10) is arranged on the side face of the machine body (1), a circulating fan (11) is fixedly arranged at the bottom of the equipment cavity (10), an air inlet pipe (12) is connected to an air inlet of the circulating fan (11), one end, deviating from the air inlet of the circulating fan (11), of the air inlet pipe (12) is connected with an air inlet module (13), the air inlet module (13) is horizontally arranged at the bottom end of the cavity of the filter cavity (3), and the air inlet module (13) is located below a notch of the supporting plate (901).
  10. 10. The multi-stage exhaust purification device for an environment-friendly paint spraying and baking room according to claim 9, wherein the air outlet of the circulating fan (11) is connected with a post filter (14), the output end of the post filter (14) is connected with an air outlet pipe (15), the tail end of the air outlet pipe (15) is connected with a heater (16), and the heater (16) is arranged at the top end of the filter cavity (3) and used for heating circulating air to facilitate paint surface drying.

Description

Multistage purifier of exhaust for environmental protection spray-baking varnish house Technical Field The invention relates to the technical field of waste gas purification treatment of paint spraying and baking houses, in particular to an environment-friendly multi-stage exhaust purification device for paint spraying and baking houses. Background In the process of paint spraying and drying operation of an automobile paint spraying and baking house, a large amount of organic waste gas containing paint mist particles can be generated, if the organic waste gas is directly discharged, serious atmospheric pollution can be caused, and paint mist particles in the waste gas are easy to adhere to the inner wall of the house body and the surface of heating equipment, so that the quality of paint baking and the service life of the equipment are influenced, and therefore, the waste gas is required to be treated by a matched exhaust purification device. In the prior art, water curtain washing or activated carbon adsorption is adopted as a core purification means, wherein the water curtain washing can generate a large amount of paint-containing wastewater, secondary pollution is caused, the post-treatment cost is high, the activated carbon adsorption belongs to gas phase adsorption purification, is easy to saturate and frequent to replace, and has waste gas penetration risk after adsorption saturation, meanwhile, the mode does not belong to the physical filtration category, the purification principle and the structural form have obvious limitations, in addition, a purification device adopting filter cotton physical filtration is adopted, the filter cotton is fixedly arranged in a filter cavity, after the filter cotton is saturated and blocked by paint mist adsorption, the machine must be stopped and replaced by manual disassembly equipment, so that the time and labor are wasted, the manual maintenance cost is increased, the baking paint operation flow is directly interrupted, the continuous production efficiency of automobile baking paint is seriously affected, and the industrial batch production requirement cannot be adapted. Aiming at a plurality of defects existing in the prior art, a baking finish spray booth exhaust purification device which can automatically replace a filter element, continuously filter the cotton in the whole process, realize compact and reliable mechanical linkage, realize multistage physical purification and save energy in hot air circulation is developed, and the technical problem ‌ ‌ to be solved in the field is urgent. Disclosure of Invention The invention aims to provide an exhaust multistage purification device for an environment-friendly paint spraying and baking room, which aims to solve the problems in the background technology. In order to achieve the above-mentioned purpose, the invention provides the following technical scheme, an exhaust multistage purification device for an environment-friendly paint spraying and baking room comprises a machine body and a blank holder leak-proof assembly, wherein a paint baking cavity is arranged above the interior of the machine body, a filter cavity is arranged below the interior of the machine body, an upper bottom plate is arranged at the position where the bottom of the paint baking cavity is communicated with the filter cavity, the upper bottom plate is of a fixed structure and is used for supporting equipment and vehicles entering the paint baking cavity, the blank holder leak-proof assembly is arranged at the top of the filter cavity, the blank holder leak-proof assembly comprises a lower bottom plate arranged below the upper bottom plate, a blank holder is embedded at the periphery of the lower bottom plate, lifting rods are connected to two sides of the bottom of the lower bottom plate, an inner support is fixed inside the lower bottom plate, a torsion spring support is fixedly arranged on the inner wall of a notch of the inner support, a supporting roller is rotatably arranged at the tail end of the torsion spring support, front filter cotton is clamped between the upper bottom plate and the lower bottom plate, the front filter cotton is wound on the periphery of an unreeling roller, the unreeling roller is fixedly arranged on one side of the bottom of the filter cavity, the blank holder is fixedly arranged on the periphery of the bottom of the filter cavity, the blank holder is arranged on the periphery of the filter cavity, and the filter cotton passes through the upper bottom plate under negative pressure state, and passes through the upper bottom plate and enters the filter cotton and is tightly adhered to the periphery of the filter material. Further, clutch rolling subassembly is installed to filter chamber bottom opposite side, clutch rolling subassembly includes the wind-up roll of passing through support fixed mounting in filter chamber bottom opposite side, the coaxial key shaft that is fixed with of wind-up roll side, and the