CN111167233A - Spraying exhaust-gas treatment equipment based on environmental protection - Google Patents
Spraying exhaust-gas treatment equipment based on environmental protection Download PDFInfo
- Publication number
- CN111167233A CN111167233A CN202010039584.9A CN202010039584A CN111167233A CN 111167233 A CN111167233 A CN 111167233A CN 202010039584 A CN202010039584 A CN 202010039584A CN 111167233 A CN111167233 A CN 111167233A
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- Prior art keywords
- water storage
- cylinder
- gas treatment
- welded
- air inlet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/30—Particle separators, e.g. dust precipitators, using loose filtering material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses spraying waste gas treatment equipment based on environmental protection, relates to the technical field of spraying waste gas treatment equipment, and solves the problems that the cleaning operation of a filter screen or other filtering parts is inconvenient, the filter screen or other filtering parts are frequently disassembled and cleaned by manpower, and the cleaning efficiency is low in the conventional waste gas treatment equipment. A spraying waste gas treatment device based on environmental protection comprises an air suction cover, a water storage cylinder and an air inlet cylinder, wherein the water storage cylinder comprises a water discharge pipe, the bottom of the water storage cylinder is welded with a disc base, the circumferential outer wall of the bottom section of the water storage cylinder is also welded with a water pipe in a penetrating manner, and the top section of the water storage cylinder is sleeved with a ring and welded with a paint collecting ring groove; the air suction cover is in support welding communication with the air inlet cylinder through a Z-shaped metal air guide pipe and is supported and arranged in front of the top end of the whole equipment. The paint collecting ring groove can contain paint thrown off from the PVC plastic brush wires by high-speed rotation and discharge the paint through the two discharge pipes so as to be conveniently recycled.
Description
Technical Field
The invention relates to the technical field of spraying waste gas treatment equipment, in particular to spraying waste gas treatment equipment based on environmental protection.
Background
In the middle of the process of carrying out the spraying to spare part, equipment can produce a large amount of waste gases, contains a large amount of paint particles, organic gas etc. among these waste gases, often these waste gases all have pungent smell, can cause serious pollution to surrounding air among the direct discharge air to cause serious injury to the human body, and then need handle waste gas through spraying exhaust-gas treatment equipment. For example, patent No. CN201821971453.9 discloses a spraying exhaust-gas treatment all-in-one machine, which comprises a frame, a spraying unit, a spraying absorption unit, a fan and a light oxygen static unit, be equipped with the spraying district in the frame, the spraying absorption district, power supply installing zone and air purification district, spraying unit fixed mounting is in the spraying district, spraying absorption unit fixed mounting is in the spraying absorption district, fan fixed mounting is in the power supply installing zone, light oxygen static unit fixed mounting is in the air purification district, the spraying district is connected with the spraying absorption district, the spraying absorption district is connected with the power supply installing zone, the power supply installing zone is connected with the air evolution district, the frame is equipped with the air inlet on the lateral wall that the spraying district corresponds, compact structure, structural distribution is more reasonable, make the whole structure smaller, improve the land use efficiency of enterprise, and improve the productivity effect. The existing waste gas treatment equipment has the problems that the paint which is filtered cannot be intercepted fully, the recycling rate of the paint in waste gas is low, waste is caused, the cleaning operation of a filter screen or other filtering parts is inconvenient, manpower is needed to frequently unpick and wash, and the cleaning efficiency is low.
Disclosure of Invention
The invention aims to provide spraying waste gas treatment equipment based on environmental protection, and aims to solve the problems that the trapped and filtered paint cannot be fully recycled, the recycling rate of the paint in waste gas is low, waste is caused, the cleaning operation of a filter screen or other filtering parts is inconvenient, the filter screen or other filtering parts are frequently disassembled and cleaned by manpower, and the cleaning efficiency is low in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a spraying waste gas treatment device based on environmental protection comprises an air suction cover, a water storage cylinder and an air inlet cylinder, wherein the water storage cylinder comprises a water discharge pipe, the bottom of the water storage cylinder is welded with a disc base, the circumferential outer wall of the bottom section of the water storage cylinder is also welded with a water discharge pipe in a penetrating manner, and the top section of the water storage cylinder is sleeved with a ring and welded with a paint collecting ring groove; the topmost end of the water storage cylinder is provided with a cutting filter cylinder in a locking way, and the top end of the cutting filter cylinder is also supported and welded with an air inlet cylinder; a material receiving disc is welded at the top end of the inner space of the water storage cylinder in a supporting mode, and a suction fan is arranged at the position, protruding towards the rear side, of the rear side of the top end of the circumferential outer wall of the water storage cylinder in a supporting mode; the air inlet cylinder comprises positioning shaft rods, two positioning shaft rods are symmetrically and vertically welded on a top cover of the air inlet cylinder, threads are arranged on the top end sections of the two positioning shaft rods, and the motor is sleeved on the top end thread sections of the two positioning shaft rods and pushed and positioned through two plum blossom knobs; the air suction cover is in support welding communication with the air inlet cylinder through a Z-shaped metal air guide pipe and is supported and arranged in front of the top end of the whole equipment.
Preferably, the paint collecting ring groove comprises a discharge pipe; the bottom annular plate of collection lacquer annular is the downward sloping and gathers together the setting, and just two are arranged the material pipe and weld on the bottom annular plate of collection lacquer annular with regard to symmetrical intercommunication.
Preferably, the take-up pan includes the pipe, take-up pan bottom annular plate is tilt up and gathers together the setting, and is the annular array on the circumference outer wall of take-up pan and has six pipes through welded, and this six pipes pass the circumference outer wall tail end welding intercommunication of a water storage section of thick bamboo on the collection lacquer annular.
Preferably, the intercepting filter cylinder comprises a water feeding pipe and a cover plate, an arc-shaped maintenance opening is formed in the circumferential outer wall of the position DE at the rear side of the intercepting filter cylinder in a penetrating mode, the cover plate is locked and covered on the arc-shaped maintenance opening, and the water feeding pipe is welded to a butt joint locking disc at the bottom of the intercepting filter cylinder in a penetrating mode through a vertical support.
Preferably, the motor comprises a conical blocking cover and a locking clamping sleeve; the central rotating shaft of the motor is inserted into the water storage barrel through the top cover of the air inlet barrel, and the tail end of the rotating shaft of the motor is rotatably provided with a conical blocking cover; the end section of the motor rotating shaft is sleeved with a locking clamping sleeve, and the locking clamping sleeve is arranged above the conical blocking cover.
Preferably, a layer of rubber pad is adhered to the conical end face of the top end of the conical blocking cover, and the conical blocking cover can be driven to slide upwards to extrude and block the bottom opening of the material receiving disc by the screw pushing down motor of the two plum blossom knobs on the two positioning shaft levers.
Preferably, the locking cutting ferrule is made of plastic materials and is formed by butting a left semicircular shaft sleeve part and a right semicircular shaft sleeve part, and PVC plastic filter wires are uniformly and densely distributed on the circumferential end faces of the outer sides of the two semicircular shaft sleeves.
Preferably, the pvc plastic filter wires on the locking cutting sleeve are radially distributed in an annular array, and the pvc plastic filter wires in a radiation disc shape are filled in the filtering cylinder and can shield and block the bottom opening of the air inlet cylinder.
Compared with the prior art, the invention has the beneficial effects that:
1. the PVC plastic filter wire with the radiation disk shape and dense distribution can be used for sticking, intercepting, filtering and purifying paint droplets in spraying waste gas and purifying the waste gas;
2. according to the invention, when the radiation disc-shaped PVC plastic filter wire is full of paint, the motor can drive the PVC plastic filter wire to rotate to a high degree to throw off the paint on the PVC plastic filter wire, so that the step of manual cleaning is omitted, the PVC plastic filter wire is simple, convenient and efficient to clean, the thrown-off paint slides down along the inner wall of the cutting filter cylinder and drops on the material receiving disc to be collected and recycled, the utilization rate of the paint in waste gas is improved, and the loss and waste of the paint are reduced;
3. the motor is installed in a sliding mode, when the device is idle, the two plum blossom knobs on the two positioning shaft levers are loosened, the motor can slide downwards along the two positioning shaft levers and drive the PVC plastic filter wire in a radiation disc shape and the conical blocking cover to be inserted into water in the water storage cylinder, so that the PVC plastic filter wire is isolated from air and kept soft and wet, and the PVC plastic filter wire can be prevented from being exposed in the air in the filter cylinder for a long time in an idle mode to cause drying and caking of paint on the PVC plastic filter wire, so that the PVC plastic filter wire is stuck together, the filter effect is lost, and the repeated cyclic use of the PVC plastic filter wire is influenced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic three-dimensional structure of the present invention;
FIG. 3 is a schematic bottom three-dimensional structure of the present invention;
FIG. 4 is a schematic view of the interior of a half section of a water storage cartridge according to the present invention;
FIG. 5 is a schematic view of the receiver tray of the present invention;
FIG. 6 is a schematic view of the installation position of the conical block cover of the present invention;
FIG. 7 is a schematic diagram of a three-dimensional structure of a take-up reel according to the present invention;
FIG. 8 is a schematic three-dimensional structure of the locking ferrule of the present invention;
in the figure: 1. an air intake cover; 2. a water storage cylinder; 201. a water discharge pipe; 3. a suction fan; 4. paint collecting ring grooves; 401. a discharge pipe; 5. a take-up pan; 501. a conduit; 6. cutting the filter cylinder; 601. a water feeding pipe; 602. a cover plate; 7. an air inlet cylinder; 701. positioning the shaft lever; 8. a motor; 801. a conical blocking cover; 802. and locking the clamping sleeve.
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 to 8, an embodiment of the present invention includes: a spraying waste gas treatment device based on environmental protection comprises an air suction cover 1, a water storage cylinder 2 and an air inlet cylinder 7, wherein the water storage cylinder 2 comprises a water discharge pipe 201, the bottom of the water storage cylinder 2 is welded with a disc base, the water discharge pipe 201 is welded on the circumferential outer wall of the bottom section of the water storage cylinder in a penetrating manner, and a paint collecting ring groove 4 is welded on the top section of the water storage cylinder 2 in a ring sleeving manner; the topmost end of the water storage cylinder 2 is provided with a cut-off filter cylinder 6 in a locking way, and the top end of the cut-off filter cylinder 6 is also provided with an air inlet cylinder 7 in a supporting and welding way; a material receiving disc 5 is supported and welded at the top end of the inner space of the water storage cylinder 2, and a suction fan 3 is convexly supported and installed towards the rear side at the rear side position of the top end of the circumferential outer wall of the water storage cylinder 2; the air inlet cylinder 7 comprises a positioning shaft lever 701, two positioning shaft levers 701 are symmetrically and vertically supported and welded on a top cover of the air inlet cylinder 7, the top end sections of the two positioning shaft levers 701 are both provided with threads, and the motor 8 is sleeved and slid on the thread sections at the top ends of the two positioning shaft levers 701 and is pushed and positioned through two plum blossom knobs; the air suction cover 1 is in support welding communication with the air inlet cylinder 7 through a Z-shaped metal air guide pipe and is supported and arranged in front of the top end of the whole equipment.
Further, the paint collecting ring groove 4 comprises a discharge pipe 401; the bottom annular plate of collection lacquer annular 4 is the downward sloping and gathers together the setting, and two places are arranged material pipe 401 and are welded on the bottom annular plate of collection lacquer annular 4 with regard to the symmetry intercommunication, and collection lacquer annular 4 can hold the paint that is thrown away by high-speed rotation on the pvc plastics brush silk and arrange material pipe 401 discharge through two places and be convenient for reuse.
Further, take-up (stock) pan 5 includes pipe 501, and 5 bottom ring shape boards of take-up (stock) pan are the tilt up and gather together the setting, and take up (stock) pan 5's circumference outer wall on be the annular array and run through the welding and have six pipe 501, and this six pipe 501 passes the circumference outer wall tail end welding intercommunication of water storage cylinder 2 on collection lacquer annular 4, and take-up (stock) pan 5 can connect greatly from the pvc plastics brush silk by the paint that high-speed rotation was thrown away and the accessible six pipe 501 will paint the water conservancy diversion to collection lacquer annular 4.
Further, cut and strain a section of thick bamboo 6 and include filler pipe 601 and apron 602, run through on the 6 rear side position DE circumference outer walls of section of thick bamboo and offered an arc maintenance mouth, and apron 602 just locks the closing cap on this arc maintenance mouth, and cut and strain a section of thick bamboo 6 butt joint locking disc and go up to run through the welding of erectting to prop and have a filler pipe 601, open apron 602 and can conveniently take off the change to locking cutting ferrule 802 and the pvc plastics filter silk on it.
Further, the motor 8 comprises a conical cover 801 and a locking ferrule 802; a central rotating shaft of the motor 8 is inserted into the water storage barrel 2 through the top cover of the air inlet barrel 7, and the tail end of the rotating shaft of the motor 8 is rotatably provided with a conical blocking cover 801; the tail end section of the rotating shaft of the motor 8 is sleeved with a locking clamping sleeve 802, the locking clamping sleeve 802 is installed above the conical blocking cover 801, the motor 8 is installed in a sliding mode, when the device is idle, two plum blossom knobs on two positioning shaft levers 701 are loosened, the motor 8 can slide downwards along the two positioning shaft levers 701 and drive the disk-shaped pvc plastic filter wire and the conical blocking cover 801 to be inserted into water in the water storage cylinder 2, and the pvc plastic filter wire is isolated from air and kept soft and wet.
Further, a layer of rubber pad is adhered to the conical end face of the top end of the conical blocking cover 801, the lower motor 8 is pushed by the threads of the two quincuncial knobs on the two positioning shaft rods 701 to drive the conical blocking cover 801 to slide and extrude to block the bottom opening of the receiving disc 5, and the conical blocking cover 801 can block the bottom opening of the receiving disc 5 in a sealing manner, so that a complete closed cavity is formed inside the receiving disc 5 to normally contain and receive paint.
Further, the locking cutting ferrule 802 is made of plastic and is formed by butting the left half shaft sleeve part and the right half shaft sleeve part, pvc plastic filter wires are uniformly and densely distributed on the circumferential end faces of the outer sides of the two half shaft sleeves, when the radiation disc-shaped pvc plastic filter wires are full of paint, the motor 8 can drive the pvc plastic filter wires to rotate to throw off the paint on the pvc plastic filter wires, the manual cleaning step is omitted, and the pvc plastic filter wires are easy, convenient and efficient to clean.
Furthermore, the pvc plastic filter wires on the locking cutting sleeve 802 are radially distributed in an annular array, the pvc plastic filter wires in a radiation disc shape are filled in the cutting filter cylinder 6 and can shield and block the bottom opening of the air inlet cylinder 7, and the pvc plastic filter wires in a radiation disc shape and dense distribution can intercept and filter paint droplets in spraying waste gas and purify the waste gas.
The working principle is as follows: when the device is used, firstly, the suction fan 3 is started, paint sprayed under the suction of negative pressure of the suction fan 3 sequentially enters the air inlet cylinder 7 and the filter cutting cylinder 6 through the air suction cover 1, and is contacted with pvc plastic filter wires densely distributed in a radiation disc shape when passing through the filter cutting cylinder 6, the pvc plastic filter wires in the radiation disc shape can be adhered to and intercept paint droplets in spraying waste gas, the waste gas is purified, and finally, the filtered waste gas enters the top space of the water storage cylinder 2 and is discharged by the suction fan 3; when the PVC plastic filter wire in the shape of a radiation disk is full of paint, the motor 8 can drive the PVC plastic filter wire to rotate to a high degree to throw off the paint on the PVC plastic filter wire, and the cleaning of the PVC plastic filter wire is completed.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. The utility model provides a spraying exhaust-gas treatment equipment based on environmental protection which characterized in that: the novel water storage tank is characterized by comprising an air suction cover (1), a water storage tank (2) and an air inlet tank (7), wherein the water storage tank (2) comprises a water discharge pipe (201), the bottom of the water storage tank (2) is welded with a disc base, the water discharge pipe (201) is further welded on the circumferential outer wall of the bottom section of the water storage tank in a penetrating manner, and a paint collecting ring groove (4) is welded on the top end section of the water storage tank (2) in a ring sleeving manner; the topmost end of the water storage cylinder (2) is provided with a filter cutting cylinder (6) in a locking way, and the top end of the filter cutting cylinder (6) is also provided with an air inlet cylinder (7) in a supporting and welding way; a material receiving disc (5) is welded at the top end of the inner space of the water storage cylinder (2) in a supporting mode, and a suction fan (3) is installed at the position, protruding towards the rear side, of the rear side of the top end of the circumferential outer wall of the water storage cylinder (2); the air inlet cylinder (7) comprises positioning shaft rods (701), two positioning shaft rods (701) are symmetrically and vertically supported and welded on a top cover of the air inlet cylinder (7), threads are formed on the top end sections of the two positioning shaft rods (701), and the motor (8) is sleeved on the top end thread sections of the two positioning shaft rods (701) and is pushed and positioned through two plum blossom knobs; the air suction cover (1) is in support welding communication with the air inlet cylinder (7) through a Z-shaped metal air guide pipe and is supported and arranged in front of the top end of the whole equipment.
2. The environmentally friendly spray coating exhaust gas treatment device according to claim 1, wherein: the paint collecting ring groove (4) comprises a discharge pipe (401); the bottom annular plate of collection lacquer annular (4) is the downward sloping and gathers together the setting, and two are arranged material pipe (401) and weld on the bottom annular plate of collection lacquer annular (4) with regard to the symmetry intercommunication.
3. The environmentally friendly spray coating exhaust gas treatment device according to claim 1, wherein: the take-up (5) includes pipe (501), take-up (5) bottom ring shape board is tilt up and gathers together the setting, and is the annular array on the circumference outer wall of take-up (5) and runs through the welding and have six pipe (501), and this six pipe (501) pass the circumference outer wall tail end welding intercommunication of a water storage section of thick bamboo (2) on collection lacquer annular (4).
4. The environmentally friendly spray coating exhaust gas treatment device according to claim 1, wherein: the filter cylinder (6) comprises a water feeding pipe (601) and a cover plate (602), an arc-shaped maintenance opening is formed in the circumferential outer wall of a position DE at the rear side of the filter cylinder (6) in a penetrating mode, the cover plate (602) is tightly locked and covered on the arc-shaped maintenance opening, and the water feeding pipe (601) is welded to a butt joint locking disc at the bottom of the filter cylinder (6) in a penetrating mode through a vertical support.
5. The environmentally friendly spray coating exhaust gas treatment device according to claim 1, wherein: the motor (8) comprises a conical blocking cover (801) and a locking clamping sleeve (802); the central rotating shaft of the motor (8) is inserted into the water storage barrel (2) through the top cover of the air inlet barrel (7), and the tail end of the rotating shaft of the motor (8) is rotatably provided with a conical blocking cover (801); the tail end section of the rotating shaft of the motor (8) is sleeved with a locking clamping sleeve (802), and the locking clamping sleeve (802) is arranged above the conical blocking cover (801).
6. The environmentally friendly spray coating exhaust gas treatment device according to claim 1, wherein: a layer of rubber pad is adhered to the conical end face of the top end of the conical blocking cover (801), and the threaded top pushing motor (8) of the two plum blossom knobs on the two positioning shaft rods (701) can drive the conical blocking cover (801) to slide up and extrude to block the bottom opening of the material receiving disc (5).
7. The environmentally friendly spray coating exhaust gas treatment device according to claim 5, wherein: the locking cutting sleeve (802) is made of plastic materials and is formed by butt joint of a left semicircular shaft sleeve part and a right semicircular shaft sleeve part, and PVC plastic filter wires are uniformly and densely distributed on the circumferential end faces of the outer sides of the two semicircular shaft sleeves.
8. The environmentally friendly spray coating exhaust gas treatment device according to claim 7, wherein: the PVC plastic filter wires on the locking clamping sleeve (802) are distributed radially in an annular array, and the PVC plastic filter wires in a radial disc shape are filled in the filter cylinder (6) and can shield and block the bottom opening of the air inlet cylinder (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010039584.9A CN111167233A (en) | 2020-01-15 | 2020-01-15 | Spraying exhaust-gas treatment equipment based on environmental protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010039584.9A CN111167233A (en) | 2020-01-15 | 2020-01-15 | Spraying exhaust-gas treatment equipment based on environmental protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111167233A true CN111167233A (en) | 2020-05-19 |
Family
ID=70618460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010039584.9A Withdrawn CN111167233A (en) | 2020-01-15 | 2020-01-15 | Spraying exhaust-gas treatment equipment based on environmental protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111167233A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112370895A (en) * | 2020-11-18 | 2021-02-19 | 温州斯酷睿机械科技有限公司 | Machining is with removing convenient air purification device |
| CN112870887A (en) * | 2021-01-19 | 2021-06-01 | 匡振美 | Dust removal cleaning mechanism for ribbon weaving machine |
| CN114054265A (en) * | 2021-11-01 | 2022-02-18 | 广西建设职业技术学院 | Intelligent building facade paint spraying apparatus |
-
2020
- 2020-01-15 CN CN202010039584.9A patent/CN111167233A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112370895A (en) * | 2020-11-18 | 2021-02-19 | 温州斯酷睿机械科技有限公司 | Machining is with removing convenient air purification device |
| CN112870887A (en) * | 2021-01-19 | 2021-06-01 | 匡振美 | Dust removal cleaning mechanism for ribbon weaving machine |
| CN114054265A (en) * | 2021-11-01 | 2022-02-18 | 广西建设职业技术学院 | Intelligent building facade paint spraying apparatus |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
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Application publication date: 20200519 |