CN215789173U - Dustproof sealing structure of metal guardrail processing water cutting machine - Google Patents
Dustproof sealing structure of metal guardrail processing water cutting machine Download PDFInfo
- Publication number
- CN215789173U CN215789173U CN202122108591.2U CN202122108591U CN215789173U CN 215789173 U CN215789173 U CN 215789173U CN 202122108591 U CN202122108591 U CN 202122108591U CN 215789173 U CN215789173 U CN 215789173U
- Authority
- CN
- China
- Prior art keywords
- dust
- cutting machine
- department
- water
- water cutting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The application relates to the technical field of water cutting machines, and discloses a dustproof sealing structure of a water cutting machine for processing a metal guardrail, which comprises a water cutting machine body, the lower part of the water cutting machine body is provided with an operation platform for placing materials, the upper surface of the operation platform is provided with processing equipment for cutting the materials, the side wall of the output end of the processing equipment is provided with a dust hood which is annularly distributed around the vertical center line of the output end of the processing equipment, and the lower surface of the dust hood is provided with an elastic rubber hood, one end of the elastic rubber hood far away from the dust hood is close to the upper surface of the operation platform, a dust collection hose is arranged on the upper surface of the dust collection cover, one end of the dust collection hose is communicated with the interior of the dust collection cover, and the dust absorption hose is kept away from the one end department of suction hood and is provided with dustproof processing apparatus, and this application has the effect that the dirty air that prevents the processing of water cutting machine body and produce spilled over causes harm to staff's healthy.
Description
Technical Field
The utility model belongs to the technical field of water cutting machine technique and specifically relates to a dustproof sealing structure of metal guardrail processing water cutting machine is related to.
Background
The water jet cutting machine is a machine for cutting by using high-pressure water flow, is also called a water jet cutter in the world, is a high-pressure water jet cutting technology, is a machine for cutting by using high-pressure water flow, generally places a material to be processed on an operation table of the machine, and processes the material by using the water jet cutter through processing equipment.
The existing metal guardrail needs to be treated by a water cutting machine during processing, when the water cutting machine is used for cutting and processing the metal guardrail, part of dust-containing cutting fluid can permeate in the air due to high-speed injection, and after a human body inhales, the dust-containing cutting fluid can injure respiratory tracts and lungs, so that the harm to the human health is caused.
SUMMERY OF THE UTILITY MODEL
In order to prevent that the dirty air that water cutting machine processing produced from overflowing to cause harm to staff's healthy, this application provides a metal guardrail processing water cutting machine's dustproof sealing structure.
The application provides a pair of metal guardrail processing water cutting machine's dustproof sealing structure adopts following technical scheme:
the utility model provides a metal guardrail processing water cutting machine's dustproof seal structure, includes the water cutting machine body, the lower part position department of water cutting machine body is provided with the operation panel that is used for placing the material, the upper surface department of operation panel is provided with the processing equipment that is used for cutting the material, the output lateral wall department of processing equipment is provided with the suction hood, the suction hood is the annular distribution around the perpendicular center line of processing equipment output, and the lower surface department of suction hood is provided with the elastic rubber cover, the upper surface department that the one end that the suction hood was kept away from to the elastic rubber cover is close to the operation panel, the upper surface department of suction hood is provided with the dust absorption hose, the one end and the inside being linked together of suction hood of dust absorption hose, and the one end department that the suction hood was kept away from to the dust absorption hose is provided with dustproof processing apparatus.
Through adopting above-mentioned technical scheme, utilize the operation panel to place the metal guardrail of treating processing, again through the processing equipment through the water sword carry out the processing operation, utilize the cooperation of elastic rubber cover and suction hood to play the effect of certain sealed separation to the dusty air that produces in the processing operation process, simultaneously through the elastic shrinkage control of elastic rubber cover, do not influence the normal clear of processing operation, be convenient for prevent dusty air and cause the pollution to the operation environment to overflowing in to the environment, recycle dust absorption fan carries the dusty air of separation in with the suction hood to the treatment box in through the dust absorption hose and carries out dustproof processing, the dusty air that produces in the purification treatment water cutting machine body processing operation of being convenient for, be favorable to preventing dusty air and overflow and cause harm to staff's healthy.
Preferably, dustproof processing apparatus includes dust absorption fan and processing case, dust absorption fan sets up the lateral wall department on one side at the water cutting machine body, dust absorption cover's one end is kept away from with the dust absorption hose to dust absorption fan's input is linked together, and dust absorption fan's output is linked together through the connecting tube with the input of handling the case, handle the case setting and be close to dust absorption fan's one side outside position department at the water cutting machine body, handle the case and be close to dust absorption fan's one side inside and seted up the stoving chamber, and handle the case and keep away from dust absorption fan's one side inside and seted up the dust removal chamber.
Through adopting above-mentioned technical scheme, utilize dust absorption fan and dust absorption hose cooperation, be convenient for carry the dirty air of separation to the processing incasement in the suction hood and carry out further dustproof processing, utilize stoving chamber and dust removal chamber cooperation, be convenient for play efficient purification treatment effect to dirty air.
Preferably, a plurality of groups of electric heating pipes are equidistantly arranged on the inner top wall and the inner side wall of the drying cavity, and a drying pipe is arranged in the drying cavity, the drying pipe is wave-shaped, one end of the drying pipe is communicated with an output end pipeline of the dust absorption fan, one end of the drying pipe far away from the dust absorption fan is arranged in the dust removal cavity in a penetrating way, a drain pipe is communicated with the lower surface of one side of the drying pipe, a water storage tank is arranged on the inner bottom wall of the drying cavity, one end of the water outlet pipe, which is far away from the drying pipe, is communicated with a water inlet of the water storage tank, a water outlet pipe is arranged on the side wall of the water storage tank, one end of the water outlet pipe, which is far away from the water storage tank, is arranged on the side wall of the treatment tank in a penetrating way, and a water valve used for controlling the water outlet pipe to be opened or closed is arranged on the upper surface of one end, far away from the water storage tank, of the water outlet pipe, and the horizontal height of the water outlet pipe is lower than that of one end, close to the dust removal cavity, of the drying pipe.
Through adopting above-mentioned technical scheme, utilize the electric heat pipe to carry out drying process to the dirty air in the drying tube, recycle the drying tube setting and be the wave, be convenient for improve the stoving ageing of dirty air, the moisture that produces in the stoving operation is carried to the water storage box by the drying tube and is accumulated in through the drain pipe, passes through water valve control periodic drainage through the outlet pipe again, is convenient for ensure further dust removal filter effect.
Preferably, the middle position department horizontal welding of dust removal intracavity has sealed partition plate, a plurality of groups of through-holes have been seted up to sealed partition plate's lower surface department equidistance, and a plurality of groups of through-hole department that sealed partition plate lower surface was seted up is provided with a plurality of groups of filter bags through the installing frame, a plurality of groups the material of filter bag is anti-dewfall glass fibre, and the filter bag setting is in the inside department of one side that the dust removal chamber is close to the stoving pipe.
Through adopting above-mentioned technical scheme, the dirty air after the stoving passes through the filter bag filtration absorption of dust removal intracavity, adopts the fine material of anti-condensation glass, can effectively prevent the dewfall phenomenon on filter bag surface, is convenient for filter out the dust impurity in the air, makes the clean air after the purification get into in the filter bag, is convenient for purify the dirty air that produces in the water cutting machine body processing operation.
Preferably, the lateral wall department on one side that the dust absorption fan was kept away from to the processing case is provided with the blast pipe, the one end that the blast pipe is close to the processing case is linked together with dust removal intracavity upper portion position department, the lower surface department on one side that the processing case is close to the dust removal chamber is provided with collection dirt funnel, collection dirt funnel's feed end and dust removal intracavity portion are linked together, collection dirt funnel keeps away from one side lateral wall department that the processing case is provided with and is used for controlling collection dirt funnel and open or closed valve.
By adopting the technical scheme, the clean air filtered by the filter bag is discharged by the exhaust pipe through the upper space of the dust removal cavity, and the dust impurities filtered by the filter bag are conveniently accumulated by the dust collection funnel and are periodically discharged by the valve control.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through being equipped with the suction hood, dust absorption hose and dustproof processing apparatus cooperate, carry the dirty air of separation to the drying duct of handling the incasement in with the suction hood by dust absorption fan through dust absorption hose, carry out drying process through the electrothermal tube to the dirty air in the drying duct again, be convenient for ensure further dust removal filter effect, the dirty air after the stoving filters through the filter bag in the dust removal intracavity and adsorbs, be convenient for filter out the dust impurity in the air, make the clean air after the purification get into and discharge through the blast pipe in the filter bag, be convenient for purify the dirty air that produces in the water cutting machine body processing operation, be favorable to preventing that dirty air is excessive and cause harm to staff's healthy.
2. Through being equipped with the water cutting machine body, the operation panel, processing equipment, suction hood and elastic rubber cover cooperate, place the metal guardrail of treating processing through the operation panel, again through processing equipment through the water jet cutter processing operation, utilize elastic rubber cover and suction hood cooperation to play the effect of certain sealed separation to the dusty air that produces in the processing operation process, simultaneously through the elastic shrinkage control of elastic rubber cover, do not influence the normal clear of processing operation, be convenient for prevent dusty air to the environment in the overflow and cause the pollution to the operation environment.
Drawings
FIG. 1 is a schematic structural diagram of a water jet cutting machine body according to an embodiment of the present application;
FIG. 2 is a schematic view of the structure of a treatment tank according to the embodiment of the present application.
Description of reference numerals: 1. a water cutting machine body; 2. an operation table; 3. processing equipment; 4. a dust hood; 5. an elastic rubber cover; 6. a dust collection hose; 7. a dust-proof processing device; 71. a dust collection fan; 72. a treatment tank; 8. a drying cavity; 9. a dust removal cavity; 10. an electric heating tube; 11. a drying duct; 12. a drain pipe; 13. a water storage tank; 14. a water outlet pipe; 15. a water valve; 16. sealing the partition plate; 17. a filter bag; 18. an exhaust pipe; 19. a dust collecting funnel; 20. and (4) a valve.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses metal guardrail processing water cutting machine's dustproof sealing structure. Referring to fig. 1 and 2, a dustproof sealing structure of a metal guardrail processing water cutting machine comprises a water cutting machine body 1, an operation platform 2 for placing materials is arranged at the lower part of the water cutting machine body 1, a processing device 3 for cutting the materials is arranged at the upper surface of the operation platform 2, the metal guardrail is convenient to be processed and operated in a mutually matched mode, a dust hood 4 is arranged at the side wall of the output end of the processing device 3, the dust hood 4 is annularly distributed around the vertical center line of the output end of the processing device 3, an elastic rubber hood 5 is arranged at the lower surface of the dust hood 4, one end, far away from the dust hood 4, of the elastic rubber hood 5 is close to the upper surface of the operation platform 2, a certain sealing and blocking effect on dust-containing air generated in the processing operation process is convenient to achieve, meanwhile, the normal operation of the processing operation is not affected through the elastic shrinkage control of the elastic rubber hood 5, be convenient for prevent that dirty air from causing the pollution to the operation environment to the environment spill over, the upper surface department of suction hood 4 is provided with dust absorption hose 6, dust absorption hose 6's one end and suction hood 4 are inside to be linked together, and dust absorption hose 6 keeps away from the one end department of suction hood 4 and is provided with dustproof processing apparatus 7, the dirty air that produces in the purification treatment water cutting machine body 1 processing operation of being convenient for is favorable to preventing that dirty air spill over from causing harm to staff's healthy.
Referring to fig. 1 and 2, the dustproof processing device 7 includes a dust collection fan 71 and a processing box 72, the dust collection fan 71 is disposed at a side wall of the water cutting machine body 1, an input end of the dust collection fan 71 is communicated with one end of the dust collection hose 6 far away from the dust collection cover 4, an output end of the dust collection fan 71 is communicated with an input end of the processing box 72 through a connecting pipe, so as to convey dust-containing air separated in the dust collection cover 4 into the processing box 72 for further dustproof processing, the processing box 72 is disposed at an outer position of the water cutting machine body 1 near the dust collection fan 71, a drying cavity 8 is disposed inside one side of the processing box 72 near the dust collection fan 71, and a dust removal cavity 9 is disposed inside one side of the processing box 72 far away from the dust collection fan 71, so as to perform efficient purification processing on the dust-containing air.
Referring to fig. 1 and 2, a plurality of sets of electric heating tubes 10 are equidistantly arranged on the inner top wall and the inner side wall of the drying cavity 8 to facilitate drying treatment of dust-containing air in the drying tube 11, the drying tube 11 is arranged in the drying cavity 8, the drying tube 11 is arranged in a wave shape to facilitate improving the drying aging of the dust-containing air, the drying tube 11 is made of high temperature resistant quartz glass, one end of the drying tube 11 is communicated with an output end pipeline of a dust suction fan 71, one end of the drying tube 11 far away from the dust suction fan 71 is arranged in the dust removing cavity 9 in a penetrating manner, a lower surface of one side of the drying tube 11 is communicated with a drain pipe 12, a water storage tank 13 is arranged on the inner bottom wall of the drying cavity 8, one end of the drain pipe 12 far away from the drying tube 11 is communicated with a water inlet of the water storage tank 13, a water outlet pipe 14 is arranged on the side wall of the water storage tank 13, one end of the water outlet pipe 14 far away from the water storage tank 13 is arranged on the side wall of the processing tank 72 in a penetrating manner, and the water valve 15 for controlling the opening or closing of the water outlet pipe 14 is arranged on the upper surface of one end of the water outlet pipe 14 far away from the water storage tank 13, so that water can be conveniently drained in time, the further dust removal filtering effect can be conveniently ensured, the horizontal height of the water drainage pipe 12 is lower than that of one end of the drying pipe 11 close to the dust removal cavity 9, and the water body can be conveniently prevented from flowing into the dust removal cavity 9.
Referring to fig. 1, fig. 2, the horizontal welding of middle part position department has sealed partition plate 16 in the dust removal chamber 9, a plurality of groups of through-holes have been seted up to sealed partition plate 16's lower surface department equidistance, and a plurality of groups of through-hole department that sealed partition plate 16 lower surface was seted up is provided with a plurality of groups of filter bags 17 through the installing frame, the material of a plurality of groups of filter bags 17 is the fine glass of anti-dewfall, can effectively prevent the dewfall phenomenon on filter bag 17 surface, and filter bag 17 sets up the inside department on one side that is close to drying tube 11 at dust removal chamber 9, be convenient for filter out the dust impurity in the air, make the clean air after the purification get into in the filter bag 17, be convenient for the dirty air that produces in the processing operation of purification treatment water cutting machine body 1.
Referring to fig. 1 and 2, an exhaust pipe 18 is disposed on a side wall of the processing box 72 away from the dust collection fan 71, one end of the exhaust pipe 18 close to the processing box 72 is communicated with an upper position in the dust removal chamber 9 so as to allow clean air filtered by the filter bag 17 to be discharged through the exhaust pipe 18 via an upper space of the dust removal chamber 9, a dust collection funnel 19 is disposed on a lower surface of the processing box 72 close to the dust removal chamber 9, a feed end of the dust collection funnel 19 is communicated with the inside of the dust removal chamber 9 so as to store dust impurities filtered by the filter bag 17, and a valve 20 for controlling the opening or closing of the dust collection funnel 19 is disposed on a side wall of the dust collection funnel 19 away from the processing box 72 so as to control the dust impurities to be discharged periodically.
The implementation principle of the dustproof sealing structure of the metal guardrail machining water cutting machine is as follows: the metal guardrail to be processed is placed on the operation platform 2, then the processing operation is carried out through the processing equipment 3 by the water jet cutter, the elastic rubber cover 5 and the dust hood 4 are matched to play a certain sealing and blocking effect on dust-containing air generated in the processing operation process, meanwhile, the normal operation of the processing operation is not influenced by the elastic shrinkage control of the elastic rubber cover 5, and the pollution to the operation environment caused by the dust-containing air overflowing to the environment is conveniently prevented;
then the dust-containing air blocked in the dust hood 4 is conveyed to the drying pipe 11 in the processing box 72 by the dust collection fan 71 through the dust collection hose 6, the dust-containing air in the drying pipe 11 is dried by the electric heating pipe 10, the moisture generated in the drying operation is conveyed to the water storage box 13 through the drying pipe 11 through the drain pipe 12 for storage, and is periodically drained through the water valve 15 controlled by the water outlet pipe 14, so as to ensure the further dust collection and filtration effect, the dried dust-containing air is filtered and adsorbed by the filter bag 17 in the dust collection cavity 9, the dew-resistant glass fiber material is adopted, the dew phenomenon on the surface of the filter bag 17 can be effectively prevented, the dust impurities in the air can be conveniently filtered out, the dust impurities filtered out by the filter bag 17 are stored by the dust collection funnel 19 and are periodically drained through the valve 20, so that the purified clean air enters the filter bag 17 and is drained through the dust collection cavity 9 in the upper space of the filter bag 17 through the exhaust pipe 18, the dust-containing air generated in the processing operation of the water cutting machine body 1 is convenient to purify and treat, and the harm to the health of workers caused by the overflow of the dust-containing air is favorably prevented.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (5)
1. The utility model provides a metal guardrail processing water cutting machine's dustproof sealing structure, includes water cutting machine body (1), the lower part position department of water cutting machine body (1) is provided with operation platform (2) that are used for placing the material, the upper surface department of operation platform (2) is provided with processing equipment (3) that are used for cutting the material, its characterized in that: the utility model discloses a dust collection device, including processing equipment (3), the output lateral wall department of processing equipment (3) is provided with suction hood (4), suction hood (4) are the annular around the perpendicular central line of processing equipment (3) output and distribute, and the lower surface department of suction hood (4) is provided with elastic rubber cover (5), the upper surface department that the one end that suction hood (4) were kept away from in elastic rubber cover (5) is close to operation platform (2), the upper surface department of suction hood (4) is provided with dust absorption hose (6), the one end and the inside dust hood (4) of dust absorption hose (6) are linked together, and dust absorption hose (6) keep away from the one end department of suction hood (4) and are provided with dustproof processing apparatus (7).
2. The dustproof sealing structure of the metal guardrail machining water cutting machine is characterized in that: dustproof processing apparatus (7) are including dust absorption fan (71) and processing case (72), dust absorption fan (71) set up the lateral wall department on one side of water cutting machine body (1), the input of dust absorption fan (71) is linked together with the one end that suction hood (4) were kept away from in dust absorption hose (6), and the output of dust absorption fan (71) is linked together through the connecting tube with the input of handling case (72), handle case (72) and set up the outside position department on one side that is close to dust absorption fan (71) at water cutting machine body (1), handle case (72) and seted up stoving chamber (8) near the inside on one side of dust absorption fan (71), and handle case (72) and keep away from one side inside of dust absorption fan (71) and seted up dust removal chamber (9).
3. The dustproof sealing structure of the metal guardrail machining water cutting machine is characterized in that: a plurality of groups of electric heating tubes (10) are arranged at the inner top wall and the inner side wall of the drying cavity (8) at equal intervals, a drying pipe (11) is arranged in the drying cavity (8), the drying pipe (11) is arranged in a wave shape, one end of the drying pipe (11) is communicated with an output end pipeline of a dust suction fan (71), one end of the drying pipe (11) far away from the dust suction fan (71) is arranged in the dust removing cavity (9) in a penetrating way, a drain pipe (12) is communicated with the lower surface of one side of the drying pipe (11), a water storage tank (13) is arranged at the inner bottom wall of the drying cavity (8), one end of the drain pipe (12) far away from the drying pipe (11) is communicated with a water inlet of the water storage tank (13), a water outlet pipe (14) is arranged at the side wall of the water storage tank (13), one end of the water outlet pipe (14) far away from the water storage tank (13) is arranged at the side wall of the processing tank (72) in a penetrating way, and a water valve (15) for controlling the opening or closing of the water outlet pipe (14) is arranged on the upper surface of one end, far away from the water storage tank (13), of the water outlet pipe (14), and the horizontal height of the water outlet pipe (12) is lower than that of one end, close to the dust removal cavity (9), of the drying pipe (11).
4. The dustproof sealing structure of the metal guardrail machining water cutting machine is characterized in that: the middle position department transversely welds sealed baffle (16) in dust removal chamber (9), a plurality of groups of through-holes have been seted up to the lower surface department equidistance of sealed baffle (16), and a plurality of groups of through-holes department that sealed baffle (16) lower surface was seted up is provided with a plurality of groups of filter bag (17), a plurality of groups the material of filter bag (17) is fine for anti-dew glass, and filter bag (17) set up in dust removal chamber (9) near the inside department on one side of drying tube (11).
5. The dustproof sealing structure of the metal guardrail machining water cutting machine is characterized in that: handle one side lateral wall department that case (72) kept away from dust absorption fan (71) and be provided with blast pipe (18), upper portion position department is linked together in one end and the dust removal chamber (9) that blast pipe (18) are close to handling case (72), handle one side lower surface department that case (72) are close to dust removal chamber (9) and be provided with collection dirt funnel (19), the feed end and the inside of dust removal chamber (9) of collection dirt funnel (19) are linked together, one side lateral wall department that collection dirt funnel (19) kept away from handling case (72) is provided with and is used for controlling collection dirt funnel (19) and opens or closed valve (20).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122108591.2U CN215789173U (en) | 2021-09-02 | 2021-09-02 | Dustproof sealing structure of metal guardrail processing water cutting machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122108591.2U CN215789173U (en) | 2021-09-02 | 2021-09-02 | Dustproof sealing structure of metal guardrail processing water cutting machine |
Publications (1)
Publication Number | Publication Date |
---|---|
CN215789173U true CN215789173U (en) | 2022-02-11 |
Family
ID=80155080
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202122108591.2U Expired - Fee Related CN215789173U (en) | 2021-09-02 | 2021-09-02 | Dustproof sealing structure of metal guardrail processing water cutting machine |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN215789173U (en) |
-
2021
- 2021-09-02 CN CN202122108591.2U patent/CN215789173U/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN205586704U (en) | Exhaust gas circulation processing apparatus | |
CN210764907U (en) | Sludge recovery device for sewage treatment device | |
CN108636974A (en) | A kind of dust collecting of automation weaving loom | |
CN105289198A (en) | Exhaust gas purification system used on injection molding machine | |
CN105327574A (en) | Waste gas purifying device with stirrer on injection molding machine | |
CN105879506A (en) | Dedusting device of textile machine | |
CN215789173U (en) | Dustproof sealing structure of metal guardrail processing water cutting machine | |
CN211753505U (en) | Foam dust removal device | |
CN214271202U (en) | Textile machine textile dust collecting device | |
CN212663224U (en) | Exhaust-gas treatment equipment with circulation processing structure | |
CN205340467U (en) | High -efficient spinning machine dust collector who thoroughly removes dust | |
CN105345991A (en) | Waste gas purification device for injection molding machine | |
CN212384842U (en) | Smoke exhaust device of optical fiber laser cutting machine | |
CN212701183U (en) | Waste gas treatment device for laser cutting | |
CN213433418U (en) | Copper pipe is smelted and is used waste gas dust removal purification device | |
CN114870453A (en) | Biological deodorization filter tank treatment device | |
CN208975437U (en) | A kind of exhaust gas environment-friendly processing unit for tin recycling | |
CN208727096U (en) | A dust removal system for waste incineration flue gas treatment | |
CN207175626U (en) | Installation filter discharges the air blast carbon dioxide cleaner of water purification | |
CN215428004U (en) | Workshop waste gas collecting and processing device for plastic bottle blank production | |
CN221182150U (en) | Waste gas sprays dust fall treatment facility | |
CN220835679U (en) | Multifunctional clean workbench | |
CN211837046U (en) | Dust collection mechanism for engraving and milling machine | |
CN205412576U (en) | Dust treatment device of energy -efficient environmental protection | |
CN213132496U (en) | Air purification device is used in production of rubber and plastic goods |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220211 |
|
CF01 | Termination of patent right due to non-payment of annual fee |