CN113018930A - Water circulation anti-blocking device - Google Patents
Water circulation anti-blocking device Download PDFInfo
- Publication number
- CN113018930A CN113018930A CN201911350077.0A CN201911350077A CN113018930A CN 113018930 A CN113018930 A CN 113018930A CN 201911350077 A CN201911350077 A CN 201911350077A CN 113018930 A CN113018930 A CN 113018930A
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- China
- Prior art keywords
- water
- plate
- brush
- blocking
- clearing
- 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.)
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Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 169
- 238000000926 separation method Methods 0.000 claims abstract description 35
- 238000001914 filtration Methods 0.000 claims abstract description 14
- 230000000903 blocking effect Effects 0.000 claims abstract description 11
- 238000004140 cleaning Methods 0.000 claims description 40
- 239000012535 impurity Substances 0.000 claims description 21
- 238000007790 scraping Methods 0.000 claims description 15
- 241000220317 Rosa Species 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims 1
- 239000010813 municipal solid waste Substances 0.000 abstract description 23
- 230000000694 effects Effects 0.000 description 4
- 238000005188 flotation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 238000004064 recycling Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 239000011449 brick Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- -1 rags Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6469—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
- B01D29/6476—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers with a rotary movement with respect to the filtering element
Abstract
The invention discloses a water circulation anti-blocking device, which comprises a separation water tank and a water circulation device connected to the separation water tank, wherein the water circulation device comprises a water outlet arranged on the separation water tank, the water outlet is positioned on the inner side of the separation water tank and is connected with a filtering device, the filtering device comprises a filtering tank and an automatic blocking clearing mechanism, a water inlet mesh plate and a water outlet butted with the water outlet are arranged on the filtering tank, and the automatic blocking clearing mechanism carries out anti-blocking clearing on the surface of the water inlet mesh plate; the problem of in the building rubbish aggregate sorting, when sorting water reuse, the pump body that the pump work produced is gone into along with the negative pressure that the water pump work in the rubbish of sorting aquatic and is blockked up even damaged is solved.
Description
Technical Field
The invention belongs to the field of water circulation, and particularly relates to a water circulation anti-blocking device.
Background
In the treatment of construction waste, various wastes with different volumes, different qualities, different purposes, different properties and the like need to be sorted. Generally, the most common method is to sort the recyclable aggregate such as bricks, cement blocks, tiles and stones from the recyclable garbage such as broken cloth, paper sheets, plastics and wood chips in the building aggregate. In the prior art, the aggregate sorting operation is realized by a multi-purpose washing flotation sorter. The washing flotation separator realizes aggregate separation by the principle that water flows and objects obtain buoyancy in water. In the sorting process, sorting water is continuously added into a sorting water tank to form water flow in the sorting water tank, light garbage such as rags, paper pieces, plastics, wood chips and the like floats along with the water flow and is taken away by the water flow, and recyclable aggregate such as bricks, cement blocks, tiles, stones and the like is sorted out for recycling.
In the prior art, the sorted water in the water separating tank is seriously polluted. Therefore, in the prior art, in the separation of the washing flotation separator, the separation water is not recycled basically, so that a large amount of water resource waste is caused, and the cost is increased. In order to solve the above problems, a filter screen plate is generally added to the water outlet to recycle the sorted water, however, since a certain negative pressure is generated at the water outlet when the water pump works, light garbage in the sorted water can be rapidly gathered to the water outlet, and a large amount of light garbage is accumulated at the water outlet, so that the water in the water outlet is difficult to drain. Even light garbage enters the water pump to cause the blockage of the water pump and even damage to the water pump.
Disclosure of Invention
The invention aims to provide a water circulation anti-blocking device, which solves the problems that the impurity in the separation water is more, the separation water is seriously polluted and the separation water is difficult to recycle when a washing flotation separator is used for separation.
The invention relates to a water circulation anti-blocking device, which comprises a separation water tank and a water circulation device connected to the separation water tank, wherein the water circulation device comprises a water outlet arranged on the separation water tank, the water outlet is positioned on the inner side of the separation water tank and is connected with a filtering device, the filtering device comprises a filtering box and an automatic blocking clearing mechanism, a water inlet mesh plate and a water outlet butted with the water outlet are arranged on the filtering box, and the automatic blocking clearing mechanism carries out anti-blocking clearing on the surface of the water inlet mesh plate.
Preferably, the filter box is a rectangular box body, the water outlet is formed in one side face of the rectangular box body, the water inlet mesh plate is arranged on the top face of the rectangular box body, and the automatic blockage clearing mechanism is arranged at the top of the rectangular mesh plate.
Preferably, the mesh plate of intaking is the semicircle orifice plate, the semicircle orifice plate is sunken to rectangle box inside, automatic clear stifled mechanism setting is in semicircle orifice plate upper portion position.
Preferably, the automatic blockage removing mechanism comprises a blockage removing brush with the length being matched with the width of the water inlet mesh plate and a driving mechanism for driving the blockage removing brush to scrape the surface of the water inlet mesh plate.
Preferably, the driving mechanism comprises a frame, a first motor, a rotating shaft driven by the first motor, and a rotating disc fixedly arranged at one end of the rotating shaft, and the blockage removing brush is arranged at the edge of the rotating disc and faces the water inlet mesh plate.
Preferably, the blockage removing brush comprises a scraping plate and a brush body arranged at the front part of the scraping plate;
the brush body comprises a fixed seat fixed with the rotary disc, a brush seat connected with the fixed seat and a brush head detachably mounted with the brush seat, a limiting column is arranged on the side of the fixed seat close to the brush seat, a spring is sleeved outside the limiting column, and two ends of the spring are respectively fixedly connected with the fixed seat and the brush seat;
the scraper blade includes the fixed plate fixed with the carousel, it has the connecting plate to articulate on the fixed plate, the connecting plate is kept away from the fixed plate end and is articulated to have the scraping strip.
Preferably, the automatic blockage removing mechanism further comprises a impurity removing mechanism, the impurity removing mechanism comprises a brush body cleaning comb, a scraper cleaning hair roller and an impurity guide plate, and the impurity guide plate is arranged at the bottom of the brush body cleaning comb and the bottom of the scraper cleaning hair roller.
Preferably, the brush body cleaning comb and the scraper cleaning hair roller are arranged at the top of the frame, and the impurity guide plate is arranged at the upper part of the rotating shaft; the scraper cleaning hair roller is driven to rotate by a second motor.
Preferably, the rotation axis coincides with the axis of the semi-arc orifice plate.
Preferably, the outlet is located the separation water tank outside and is connected with the water pump, be connected with circulating pipe on the water pump, the circulating pipe other end and separation water tank intercommunication, the rose box bottom is provided with the access hole.
The water circulation anti-blocking device of the technical scheme of the invention has the beneficial effects that:
1. the problem of in the building rubbish aggregate sorting, when sorting water reuse, the pump body that the pump work produced is gone into along with the negative pressure that the water pump work in the rubbish of sorting aquatic and is blockked up even damaged is solved.
2. The recycling of the separated water is realized in the aggregate separation, so that the water resource is saved, and the cost is reduced.
3. The realization carries out timely automatic clearance to the rubbish of outlet gathering, avoids artifical clearance, reduces artifical working strength.
Drawings
FIG. 1 is an assembly schematic view of a water circulation anti-blocking device according to the technical scheme of the invention,
FIG. 2 is another view of the assembly of the water circulation anti-blocking device according to the present invention,
FIG. 3 is a schematic structural view of a water circulation anti-blocking device according to the technical scheme of the invention,
FIG. 4 is a back schematic view of a water circulation block-proof device of FIG. 3,
figure 5 is a schematic view of a structure of the block cleaning brush,
FIG. 6 is a diagram of the operation of the impurity removing mechanism.
Detailed Description
In order to facilitate the understanding of the technical solutions of the present invention for those skilled in the art, the technical solutions of the present invention will be further described with reference to the drawings attached to the specification.
As shown in fig. 1, the water circulation anti-blocking device according to the technical scheme of the invention comprises a separation water tank 1 and a water circulation device connected to the separation water tank 1. The circulating water device realizes the recycling of the separation water in the separation water tank 1. Saving water resource and saving cost.
As shown in fig. 1, the water circulation device in the technical solution of the present invention includes a water outlet disposed on the separation water tank 1, and the water outlet is connected to a filtering device 3 located inside the separation water tank 1. The filter device 3 filters the circulating separation water passing through the water outlet in the separation box 1, removes impurities, garbage and floating light garbage in the separation water, avoids the water outlet from being blocked, and avoids the water pump 9 from being blocked or even damaged or burnt out in the water pump 9 entering the water pump 9 through the water outlet.
As shown in fig. 2, the filtering device 3 in the technical solution of the present invention includes a filtering box 36 and an automatic blockage clearing mechanism, the filtering box 36 is provided with a water inlet mesh plate 37 and a water outlet 38 butted with a water outlet, and the automatic blockage clearing mechanism performs blockage prevention clearing on the surface of the water inlet mesh plate 37. The automatic blockage removing mechanism can automatically clean the surface of the water inlet mesh plate 37, timely remove impurities, garbage and floating light garbage deposited or adsorbed on the surface of the water inlet mesh plate 37, ensure the normal work of the water inlet mesh plate 37, ensure that the sorted water normally passes through the water inlet mesh plate 37 and avoid idle damage of the water pump 9.
As shown in fig. 2, the automatic blockage removing mechanism in the technical solution of the present invention includes a plurality of blockage removing brushes 42 with the length corresponding to the width of the water inlet mesh plate 37 and a driving mechanism for driving the blockage removing brushes 42 to brush and scrape the surface 38 of the water inlet mesh plate. The driving mechanism drives the blockage cleaning brush 42 to realize automatic cleaning, and labor is saved.
As shown in fig. 2 and 3, the driving mechanism in the technical solution of the present invention includes a frame 40, a first motor, a rotating shaft 35 driven by the first motor, and a rotating disc 31 fixed at one end of the rotating shaft 35. All the cleaning brushes 42 are uniformly arranged at the edge of the rotating disc 31 and face the water inlet mesh plate 37. The output shaft of first motor passes through the shaft joint and is connected with rotation axis 35, first motor drives rotation axis 35 rotatory, it is rotatory to drive the unblocking brush 42 on carousel 31 promptly and, unblocking brush 42 is rotatory with inlet mesh board 37 relative motion in, unblocking brush 42 brushes the mesh board 37 that intakes on the inlet mesh board 37 surface and scrapes, the realization is cleared up the accumulational rubbish in inlet mesh board 37 surface, guarantee inlet mesh board 37's normal work, also avoid some tiny rubbish to get into water pump 9 under the negative pressure effect that water pump 9 during operation produced simultaneously, damage water pump 9.
As shown in fig. 3 and 5, the cleaning brush 42 according to the present invention includes a scraper 32 and a brush body 33 disposed in front of the scraper 32. As shown in fig. 5, the rotating disc 31 and the rotating shaft 35 are rotated counterclockwise when operating, and the brush 33 is disposed in front of the scraping plate 32, that is, the brush 33 first cleans the water inlet mesh plate 37, and the scraping plate 32 cleans the water inlet mesh plate 37 immediately after the brush 33. Brush body 33 realizes clearing up the accumulational more rubbish on the mesh board 37 of intaking, and scraper blade 32 realizes clearing up sediment, deposit, adnexed stubborn rubbish on the mesh board 37 of intaking, and double clearance mode improves the clearance effect. And the scraper 32 can hang and remove some sludge and the like on the water inlet mesh plate 37, thereby effectively avoiding the blockage of the holes of the water inlet mesh plate 37.
As shown in fig. 3 and 5, the brush body 33 according to the present invention includes a fixing base 331 fixed to the rotation plate 31, a brush holder 333 connected to the fixing base 331, and a brush head 334 detachably mounted to the brush holder 333. The fixing base 331 is provided with a limiting column 332 near the brush holder 333, the limiting column 332 is sleeved with a spring 335, and two ends of the spring 335 are respectively fixedly connected with the fixing base 331 and the brush holder 333. The setting of spring 335 makes brush head 334 can stretch out and draw back in certain limit, and the mesh board 37 contact and the laminating of intaking when being convenient for brush head 334 clearance improves the clearance effect. The brush head 334 is supported by the brush wires to improve cleaning effect and cleaning efficiency.
As shown in fig. 3 and 5, the scraping plate 32 in the technical solution of the present invention includes a fixed plate 321 fixed with the rotating disc 31, a connecting plate 322 is hinged on the fixed plate 321, and a scraping strip 323 is hinged on the end of the connecting plate 322 far from the fixed plate 321. The link plate 322 and the wiper bar 323 can be pivoted at their respective hinges in the opposite direction of the rotation of the turntable 31, and can be automatically returned immediately after the pivoting. The fixed plate 321, the connecting plate 322 and the scraping bar 323 are hinged and the hinged part is any structure capable of achieving the aforementioned functions in the prior art, which is not described herein. The scraping strips 323 are supported by metal, and directly contact and attach with the water inlet mesh plate 37 when the scraping plate 32 works, so that the cleaning and clearing of stubborn garbage and sediment on the surface of the water inlet mesh plate 37 are realized. The garbage and sundries scraped by the scraping bar 323 fall onto the connecting plate 322 in the rotation of the scraping plate 32 along with the rotating disc 31, are finally driven to the top position of the rack 40, fall onto the impurity guide plate 39 and slide out of the impurity guide plate 39 or are manually cleaned.
As shown in fig. 3, 5 and 6, the automatic block clearing mechanism in the technical solution of the present invention further includes a miscellaneous clearing mechanism, and the miscellaneous clearing mechanism 41 includes a brush cleaning comb 412, a scraper cleaning hair roller 411, a scraper cleaning hair roller cleaning comb 413 and a miscellaneous guide plate 39. The impurity guide plate 39 is arranged at the bottom of the brush body cleaning comb 412 and the scraper cleaning hair roller 411. The brush body cleaning comb 412 realizes the combing and cleaning of the brush body 33, the working surface of the scraper 32 is cleaned by the scraper cleaning hair roller 411, and the residual garbage of the scraper cleaning hair roller 411 is combed and cleaned by the scraper cleaning hair roller cleaning comb 413. The garbage cleaned by the cleaning components directly falls on the impurity guide plate 39 and slides out of the impurity guide plate 39 or is manually cleaned, so that the garbage is prevented from entering the separation water tank 1 again.
As shown in FIGS. 5 and 6, the brush cleaning comb 412, the squeegee cleaning hair roller 411 and the squeegee cleaning hair roller cleaning comb 413 in the technical solution of the present invention are arranged on the top of the frame 40, and the impurity guide plate 39 is arranged on the upper portion of the rotating shaft 35; the squeegee cleaning squeegee 411 is rotated by the second motor. The arrangement of the technical scheme ensures that the impurity removing mechanism 41 and the brush body 42 cannot interfere in the working process.
As shown in fig. 2, the filtering box 36 in the technical solution of the present invention is a rectangular box, the water outlet is arranged on one side of the rectangular box, the water inlet mesh plate 37 is arranged on the top surface of the rectangular box, and the automatic block clearing mechanism is arranged on the top of the rectangular mesh plate. The water inlet mesh plate 37 is a semicircular arc-shaped hole plate, the semicircular arc-shaped hole plate is sunken towards the inside of the rectangular box body, and the automatic blockage removing mechanism is arranged at the upper part of the semicircular arc-shaped hole plate. The rotating shaft 35 is coincident with the axis of the semi-arc orifice plate 37.
As shown in fig. 2, a water outlet in the technical scheme of the invention is positioned outside a separation water tank and is connected with a water pump 9, the water pump 9 is connected with a circulating water pipe 7, the other end of the circulating water pipe 7 is communicated with the separation water tank 1, and a flow equalizing device 5 connected with the water outlet end of the circulating water pipe 7 is arranged in the separation water tank 1. The flow equalizing device 5 realizes that the water quantity and the flow velocity of the water flow entering the separation water tank 1 are uniform.
As shown in fig. 2, the bottom of the filter box 36 in the solution of the present invention is provided with an access opening 34. After the filter tank 36 works for a long time, because the sorted water has poor quality and contains a large amount of silt washed off from the aggregate, the silt is circulated in the sorted water along with the sorted water, and some silt is more or less precipitated in the filter tank 36, so that a worker is required to clean the filter tank from the access hole 34 regularly.
Technical solution of the invention is described above with reference to the accompanying drawings, it is obvious that the specific implementation of the invention is not limited by the above-mentioned manner, and it is within the scope of the invention to adopt various insubstantial modifications of the inventive method concept and technical solution, or to apply the inventive concept and technical solution to other occasions without modification.
Claims (10)
1. The utility model provides a stifled device is prevented in hydrologic cycle, is including selecting separately the water tank and connecting the water circle device on selecting separately the water tank, water circle device is including setting up the outlet on selecting separately the water tank, its characterized in that, the outlet is located the separation water tank inboard and is connected with filter equipment, filter equipment includes rose box and automatic clear stifled mechanism, be provided with the mesh board of intaking on the rose box and with the delivery port of outlet butt joint, automatic clear stifled mechanism prevents stifled clearance to the mesh board surface of intaking.
2. The water circulation anti-blocking device according to claim 1, wherein the filtering box is a rectangular box body, the water outlet is arranged on one side surface of the rectangular box body, the water inlet mesh plate is arranged on the top surface of the rectangular box body, and the automatic blocking clearing mechanism is arranged at the top of the rectangular mesh plate.
3. The water circulation anti-blocking device according to claim 2, wherein the water inlet mesh plate is a semi-circular arc-shaped mesh plate, the semi-circular arc-shaped mesh plate is sunken towards the inside of the rectangular box body, and the automatic blocking clearing mechanism is arranged at the upper part of the semi-circular arc-shaped mesh plate.
4. The water circulation anti-blocking device according to claim 1, wherein the automatic blocking cleaning mechanism comprises a blocking cleaning brush with a length corresponding to the width of the water inlet mesh plate and a driving mechanism for driving the blocking cleaning brush to scrape the surface of the water inlet mesh plate.
5. The water circulation anti-blocking device according to claim 4, wherein the driving mechanism comprises a frame, a first motor, a rotating shaft driven by the first motor, and a rotating disc fixedly arranged at one end of the rotating shaft, and the blocking cleaning brush is arranged at the edge of the rotating disc and faces the water inlet mesh plate.
6. The water circulation anti-blocking device according to claim 5, wherein the blockage removing brush comprises a scraping plate and a brush body arranged at the front part of the scraping plate;
the brush body comprises a fixed seat fixed with the rotary disc, a brush seat connected with the fixed seat and a brush head detachably mounted with the brush seat, a limiting column is arranged on the side of the fixed seat close to the brush seat, a spring is sleeved outside the limiting column, and two ends of the spring are respectively fixedly connected with the fixed seat and the brush seat;
the scraper blade includes the fixed plate fixed with the carousel, it has the connecting plate to articulate on the fixed plate, the connecting plate is kept away from the fixed plate end and is articulated to have the scraping strip.
7. The water circulation anti-blocking device according to claim 1, wherein the automatic blocking clearing mechanism further comprises an impurity clearing mechanism, the impurity clearing mechanism comprises a brush body clearing comb, a scraper clearing hair roller and an impurity guide plate, and the impurity guide plate is arranged at the bottoms of the brush body clearing comb and the scraper clearing hair roller.
8. The water circulation anti-blocking device as claimed in claim 5 or 7, wherein the brush body cleaning comb and the scraper cleaning hair roller are arranged on the top of the frame, and the impurity guide plate is arranged at the upper part of the rotating shaft; the scraper cleaning hair roller is driven to rotate by a second motor.
9. The water circulation anti-blocking device according to claim 3 or 5, wherein the rotation axis coincides with the axis of the semi-arc orifice plate.
10. The water circulation anti-blocking device according to claim 1, wherein the water outlet is located outside the separation water tank and is connected with a water pump, the water pump is connected with a circulating water pipe, the other end of the circulating water pipe is communicated with the separation water tank, and the bottom of the filter tank is provided with an access hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911350077.0A CN113018930A (en) | 2019-12-24 | 2019-12-24 | Water circulation anti-blocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911350077.0A CN113018930A (en) | 2019-12-24 | 2019-12-24 | Water circulation anti-blocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113018930A true CN113018930A (en) | 2021-06-25 |
Family
ID=76451979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911350077.0A Pending CN113018930A (en) | 2019-12-24 | 2019-12-24 | Water circulation anti-blocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113018930A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113370419A (en) * | 2021-08-02 | 2021-09-10 | 浙江优为新材料有限公司 | Hyperbranched resin modified odor-free photocuring pipeline repairing material processing device |
| CN116539274A (en) * | 2023-07-04 | 2023-08-04 | 唐山曹妃甸工业区长白机电设备检修有限公司 | Detection device for repairing roller of continuous casting machine |
-
2019
- 2019-12-24 CN CN201911350077.0A patent/CN113018930A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113370419A (en) * | 2021-08-02 | 2021-09-10 | 浙江优为新材料有限公司 | Hyperbranched resin modified odor-free photocuring pipeline repairing material processing device |
| CN113370419B (en) * | 2021-08-02 | 2022-04-26 | 浙江优为新材料有限公司 | Hyperbranched resin modified odor-free photocuring pipeline repairing material processing device |
| CN116539274A (en) * | 2023-07-04 | 2023-08-04 | 唐山曹妃甸工业区长白机电设备检修有限公司 | Detection device for repairing roller of continuous casting machine |
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