CN114570702A - Recycled concrete processing cleaning device with waste water recycling function - Google Patents
Recycled concrete processing cleaning device with waste water recycling function Download PDFInfo
- Publication number
- CN114570702A CN114570702A CN202111423393.3A CN202111423393A CN114570702A CN 114570702 A CN114570702 A CN 114570702A CN 202111423393 A CN202111423393 A CN 202111423393A CN 114570702 A CN114570702 A CN 114570702A
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- Prior art keywords
- plate
- filter
- filter box
- water
- cleaning
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- 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.)
- Pending
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 77
- 239000002351 wastewater Substances 0.000 title claims abstract description 19
- 238000004064 recycling Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 71
- 238000003756 stirring Methods 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims description 24
- 239000010802 sludge Substances 0.000 claims description 19
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims 1
- 241000220317 Rosa Species 0.000 description 6
- 238000001914 filtration Methods 0.000 description 6
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/102—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration with means for agitating the liquid
-
- 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
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D29/666—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps by a stirrer placed on the filtrate side of the filtering element
-
- 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
- B01D29/70—Regenerating the filter material in the filter by forces created by movement of the filter element
- B01D29/72—Regenerating the filter material in the filter by forces created by movement of the filter element involving vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/14—Removing waste, e.g. labels, from cleaning liquid; Regenerating cleaning liquids
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention relates to a cleaning device for processing recycled concrete with wastewater recycling, comprising: the cleaning machine comprises a cleaning machine 1 provided with a stirring impeller 16 and a stirring motor 17, a water outlet pipe 2 arranged at the bottom of the front end of the cleaning machine, a filter box 4 arranged at one side of the cleaning machine, a water pump 7 arranged at the rear side of the filter box, a first water guide pipe 3 respectively connected with the front end of the water outlet pipe and the front end of the filter box, a second water guide pipe 6 respectively connected with the rear end of the filter box and a water pump inlet, and a third water guide pipe 8 respectively connected with the water pump outlet and the upper part of the end at one side of the cleaning machine. The cleaning device with the function of recycling the waste water for processing the recycled concrete can recycle the cleaning water, the using amount of the cleaning water is small, mud is not easy to settle in a cleaning machine, the mud does not need to be cleaned frequently, and the cleaning efficiency is improved.
Description
Technical Field
The invention relates to the technical field of recycled concrete, in particular to a cleaning device for recycled concrete processing, which has the function of recycling waste water.
Background
The recycled concrete is new concrete prepared by crushing, cleaning and grading waste concrete blocks, mixing the crushed, cleaned and graded waste concrete blocks with gradation according to a certain proportion, partially or completely replacing natural aggregates (mainly coarse aggregates) such as sand stones and the like, and then adding cement, water and the like, wherein the recycled concrete can have the following conditions according to the combination form of the aggregates: all aggregates are regenerated aggregates; the coarse aggregate is regenerated aggregate, and the fine aggregate is natural sand; the coarse aggregate is natural gravel or cobble, and the fine aggregate is regenerated aggregate; the reclaimed aggregate replaces part of the coarse aggregate or the fine aggregate. When the recycled concrete is prepared, a cleaning machine is needed to clean the crushed concrete blocks, the existing cleaning machine has the defects that the using amount of cleaning water is large, sludge which is deposited in the cleaning machine and cannot be utilized needs to be cleaned frequently, and the cleaning efficiency is reduced; therefore, it is an urgent need to provide a cleaning apparatus for recycled concrete processing, which can recycle cleaning water, has a small amount of cleaning water, does not require frequent cleaning of sludge due to sludge not easily settling in a cleaning machine, and improves cleaning efficiency.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the cleaning device for recycled concrete processing, which can recycle cleaning water, has small using amount of the cleaning water, does not need to frequently clean mud, is not easy to settle in a cleaning machine and improves the cleaning efficiency and has the function of recycling waste water.
The specific technical scheme of the invention is as follows:
a cleaning device for recycled concrete processing with waste water recycling, comprising: the cleaning machine comprises a cleaning machine 1 provided with a stirring impeller 16 and a stirring motor 17, a water outlet pipe 2 arranged at the bottom of the front end of the cleaning machine, a filter box 4 arranged at one side of the cleaning machine, a water pump 7 arranged at the rear side of the filter box, a first water guide pipe 3 respectively connected with the front end of the water outlet pipe and the front end of the filter box, a second water guide pipe 6 respectively connected with the rear end of the filter box and a water pump inlet, and a third water guide pipe 8 respectively connected with the water pump outlet and the upper part of the end at one side of the cleaning machine.
Preferably, the filter box comprises: the filter plate 5 is connected with the inner wall of the filter box, the sludge cleaning port 9 is arranged at the upper end of the filter box, the cover plate 10 covers the sludge cleaning port, the two positioner groups are respectively arranged at the front side and the rear side of the cover plate and are composed of a plurality of positioners 11, and the filter plate anti-blocking device is arranged at the rear side of the filter plate.
Preferably, the filter plate sets up in the slope, the filter plate upper end is located the lower extreme rear side, the filter plate side wall is connected with the rose box inner wall, filter plate inclination is twenty degrees to thirty degrees.
Preferably, the positioner comprises: a fixing plate 111 with the inner side end connected with the cover plate, a limit groove 12 arranged at the outer side end of the fixing plate, a screw rod 112 penetrating the limit groove and with the lower end connected with the upper end of the filter box, a thread sleeve 113 pressing the upper side of the fixing plate and in threaded connection with the screw rod, and a plurality of rotating rods 114 with one ends connected with the outer side of the thread sleeve.
Preferably, the filter plate anti-blocking device comprises: a rotating shaft 18 with the upper end pivoted with the filter box, a plurality of triangular stirring sheets 19 which are distributed along the circumferential direction of the rotating shaft and are respectively connected with the rotating shaft, a driving motor 20 arranged at the upper end of the filter box, and a vibrator 21 which is arranged at the rear side of the filter plate and is connected with the bottom of the inner cavity of the filter box; the output shaft of the driving motor is connected with the upper end of the rotating shaft.
Preferably, the front side of the filter plate is provided with a guide plate 15 connected with the bottom of the inner cavity of the filter box, and the rear end of the guide plate is higher than the front end.
Preferably, a sealing plate 13 is arranged at the bottom of the cover plate, a sealing ring 14 is arranged between the side wall of the sealing plate and the inner side wall of the sludge cleaning port, the inner side wall of the sealing ring is connected with the sealing plate, and the outer side wall of the sealing ring is in close contact with the inner side wall of the sludge cleaning port.
Preferably, the second water introduction duct 6 has a Y-shape.
Compared with the prior art, the invention has the beneficial effects that: the belt cleaning device is used in recycled concrete processing who possesses waste water recovery utilizes, through introducing the mud sewage of cleaning machine in the filter box, filter through the filter, then input the inside of cleaning machine with water through the water pump, accomplish waste water recovery utilizes, open the locator through rotatory thread bush simultaneously and unload the apron, can conveniently clear up the mud of filter box inside, can carry out cyclic utilization to wasing water, it is less to wash the water quantity, mud is difficult for subsiding in the cleaning machine, do not need often to clear up mud, improve the cleaning efficiency. The triangular stirring piece of the filter plate anti-blocking device stirs water flow generated to scour the filter plate, and the filter plate is vibrated by the vibrator, so that mud on the filter plate drops and is not easy to block, and the filtering efficiency is improved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the internal structure of the filtration tank;
FIG. 3 is an enlarged view taken at A in FIG. 1;
fig. 4 is a perspective view of the second water introduction duct.
In the figure: 1. a cleaning machine; 2. a water outlet pipe; 3. a first water conduit; 4. a filter box; 5. a filter plate; 6. a second water conduit; 7. a water pump; 8. a third water conduit; 9. a sludge cleaning port; 10. a cover plate; 11. a positioner; 111. a fixing plate; 112. a screw; 113. a threaded sleeve; 114. rotating the rod; 12. a limiting groove; 13. sealing plates; 14. a seal ring; 15. the device comprises a guide plate, a stirring impeller 16, a stirring motor 17, a rotating shaft 18, a triangular stirring sheet 19, a driving motor 20 and a vibrator 21.
Detailed Description
The invention will be further described with reference to the drawings.
As shown in figures 1 to 4: a recycled concrete processing cleaning device with waste water recycling function comprises: the cleaning machine comprises a cleaning machine 1 provided with a stirring impeller 16 and a stirring motor 17, a water outlet pipe 2 arranged at the bottom of the front end of the cleaning machine, a filter box 4 arranged at one side of the cleaning machine, a water pump 7 arranged at the rear side of the filter box, a first water guide pipe 3 respectively connected with the front end of the water outlet pipe and the front end of the filter box, a second water guide pipe 6 respectively connected with the rear end of the filter box and a water pump inlet, and a third water guide pipe 8 respectively connected with the water pump outlet and the upper part of the end at one side of the cleaning machine.
The filter box include: the filter plate 5 is connected with the inner wall of the filter box, the sludge cleaning port 9 is arranged at the upper end of the filter box, the cover plate 10 covers the sludge cleaning port, the two positioner groups are respectively arranged at the front side and the rear side of the cover plate and are composed of two positioners 11, and the filter plate anti-blocking device is arranged at the rear side of the filter plate.
In this embodiment, the filter slope set up, the filter upper end is located the lower extreme rear side, the filter side wall and rose box inner wall connection, filter inclination is twenty-four degrees. The filter 5 inclines to set up, can increase the area of contact of waste water with filter 5, improves filter speed, reduces simultaneously and blocks up.
The locator includes: a fixing plate 111 with the inner side end connected with the cover plate, a limit groove 12 arranged at the outer side end of the fixing plate, a screw rod 112 penetrating the limit groove and with the lower end connected with the upper end of the filter box, a thread sleeve 113 pressing the upper side of the fixing plate and in threaded connection with the screw rod, and two rotating rods 114 with one end connected with the outer side of the thread sleeve. The upper end of the fixing plate 111 is pressed by the bottom of the threaded sleeve 113 of the positioner 11 to fix the cover plate 10, so that the cover plate can be conveniently detached to open the filter box 4, and the sludge inside the filter box 4 can be conveniently cleaned.
The filter plate anti-blocking device comprises: a rotating shaft 18 with the upper end pivoted with the filter box through a bearing, four triangular stirring sheets 19 which are uniformly distributed along the circumferential direction of the rotating shaft and are respectively connected with the rotating shaft, a driving motor 20 arranged at the upper end of the filter box, and a vibrator 21 which is arranged at the rear side of the filter plate and is connected with the bottom of the inner cavity of the filter box; the output shaft of the driving motor is connected with the upper end of the rotating shaft. The triangular stirring piece of the filter plate anti-blocking device stirs water flow generated to scour the filter plate, and the filter plate is vibrated by the vibrator, so that mud on the filter plate drops and is not easy to block, and the filtering efficiency is improved.
The filter front side be equipped with the guide plate 15 of being connected of rose box inner chamber bottom, the guide plate rear end is higher than the front end. Through the setting of deflector, can conveniently lead mud to one side, conveniently open the apron and carry out the mud clearance.
The bottom of the cover plate is provided with a sealing plate 13, a sealing ring 14 is arranged between the side wall of the sealing plate and the inner side wall of the sludge cleaning port, the inner side wall of the sealing ring is connected with the sealing plate, and the outer side wall of the sealing ring is in close contact with the inner side wall of the sludge cleaning port. The closing plate is equipped with to the apron bottom, is provided with the sealing washer between closing plate and the inside wall of dirt clearance mouth, can increase the stability between apron and the rose box, simultaneously through the sealing washer, can increase the leakproofness of rose box.
The second water guide pipe 6 is Y-shaped. Through setting up the second aqueduct that the shape is the Y type, can be quick with the inside water input to the water pump that the inside filtration of rose box was accomplished, carry out the cyclic utilization of water.
The working principle is as follows: the water pump 7 is started, the muddy water enters the inside of the first water guide pipe 3 through the water outlet pipe 2 of the cleaning machine 1 and enters the inside of the filter box 4 through the first water guide pipe 3, then the muddy water is filtered through the filter plate 5 inside the filter box 4, the contact area between the water and the filter plate 5 is increased due to the fact that the filter plate 5 is arranged in an inclined mode, the filtering speed is higher, the filtered water enters the inside of the water pump 7 through the second water guide pipe 6, and then the water is input into the inside of the cleaning machine 1 through the third water guide pipe 8 to be recycled; when sludge in the filter box 4 needs to be cleaned, the rotating rod 114 is screwed, the rotating rod 114 drives the threaded sleeve 113 to rotate, the threaded sleeve 113 moves upwards, the cover plate 10 is taken down after the threaded sleeve 113 is separated from the screw rod 112, the interior of the filter box 4 is cleaned, when the cover plate 10 needs to be closed, reverse operation is performed, the cover plate 10 and the sealing plate 13 are clamped at the sludge cleaning port 9 at the top of the filter box 4 and sealed through the sealing ring 14, the rotating rod 114 is rotated reversely, the threaded sleeve 113 presses the fixing plate 111, and therefore the cover plate 10 is fixed, and the purpose of sealing the filter box 4 is achieved; the filter plate 5 is washed by water flow generated by stirring the triangular stirring sheet 19 of the filter plate anti-blocking device, and the filter plate 5 is vibrated by the vibrator 21, so that mud on the filter plate 5 is dropped and is not easy to block, and the filtering efficiency is improved.
In addition to the above embodiments, the technical features or technical data of the present invention may be reselected and combined to form new embodiments within the scope of the claims and the specification of the present invention, which are all realized by those skilled in the art without creative efforts, and thus, the embodiments of the present invention not described in detail should be regarded as specific embodiments of the present invention and are within the protection scope of the present invention.
Claims (7)
1. A recycled concrete processing cleaning device with waste water recycling function comprises: cleaning machine (1) with impeller (16), agitator motor (17), characterized by, the belt cleaning device is used in recycled concrete processing who possesses waste water recycle still include: the water purifier comprises a water outlet pipe (2) arranged at the bottom of the front end of the cleaning machine, a filter box (4) arranged at one side of the cleaning machine, a water pump (7) arranged at the rear side of the filter box, a first water guide pipe (3) respectively connected with the front end of the water outlet pipe and the front end of the filter box, a second water guide pipe (6) respectively connected with the rear end of the filter box and a water pump inlet, and a third water guide pipe (8) respectively connected with the water pump outlet and the upper part of the end at one side of the cleaning machine.
2. The cleaning apparatus for recycled concrete processing with waste water recycling according to claim 1, wherein the filter box comprises: the filter plate anti-blocking device comprises a filter plate (5) connected with the inner wall of the filter box, a sludge cleaning port (9) arranged at the upper end of the filter box, a cover plate (10) covering the sludge cleaning port, two positioner groups which are respectively arranged at the front side and the rear side of the cover plate and are composed of a plurality of positioners (11), and a filter plate anti-blocking device arranged at the rear side of the filter plate.
3. The cleaning apparatus for recycled concrete processing with waste water recycling according to claim 2, wherein said filter plate is disposed to be inclined, the upper end of the filter plate is located at the rear side of the lower end, the side wall of the filter plate is connected to the inner wall of the filter box, and the inclination angle of the filter plate is twenty to thirty degrees.
4. The cleaning apparatus for recycled concrete processing provided with wastewater recycling according to claim 2 or 3, wherein the positioner includes: the filter box comprises a fixing plate (111) with an inner side end connected with a cover plate, a limiting groove (12) arranged at an outer side end of the fixing plate, a screw rod (112) arranged in the limiting groove in a penetrating mode and with a lower end connected with the upper end of the filter box, a threaded sleeve (113) pressing the upper side of the fixing plate and in threaded connection with the screw rod, and a plurality of rotating rods (114) with one ends connected with the outer side of the threaded sleeve in a surrounding mode.
5. The cleaning apparatus for recycled concrete processing having a function of recycling waste water according to claim 2 or 3, wherein the filter plate clogging prevention means comprises: a rotating shaft (18) with the upper end pivoted with the filter box, a plurality of triangular stirring sheets (19) which are distributed along the circumferential direction of the rotating shaft and are respectively connected with the rotating shaft, a driving motor (20) arranged at the upper end of the filter box, and a vibrator (21) which is arranged at the rear side of the filter plate and is connected with the bottom of the inner cavity of the filter box; the output shaft of the driving motor is connected with the upper end of the rotating shaft.
6. The cleaning apparatus for recycled concrete processing with waste water recycling according to claim 2 or 3, wherein a guide plate (15) connected to the bottom of the inner cavity of the filter tank is provided on the front side of the filter plate, and the rear end of the guide plate is higher than the front end.
7. The cleaning apparatus for recycled concrete processing with waste water recycling according to claim 1, 2 or 3, wherein a sealing plate (13) is mounted at the bottom of the cover plate, a sealing ring (14) is arranged between the side wall of the sealing plate and the inner side wall of the sludge cleaning port, the inner side wall of the sealing ring is connected with the sealing plate, and the outer side wall of the sealing ring is in close contact with the inner side wall of the sludge cleaning port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111423393.3A CN114570702A (en) | 2021-11-26 | 2021-11-26 | Recycled concrete processing cleaning device with waste water recycling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111423393.3A CN114570702A (en) | 2021-11-26 | 2021-11-26 | Recycled concrete processing cleaning device with waste water recycling function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114570702A true CN114570702A (en) | 2022-06-03 |
Family
ID=81767882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111423393.3A Pending CN114570702A (en) | 2021-11-26 | 2021-11-26 | Recycled concrete processing cleaning device with waste water recycling function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114570702A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1085587A (en) * | 1965-06-21 | 1967-10-04 | Rosaen Filter Co | Filter device |
| WO2012147148A1 (en) * | 2011-04-25 | 2012-11-01 | 株式会社石垣 | Buoyant filter medium-stirring device and filter |
| CN212091167U (en) * | 2020-05-12 | 2020-12-08 | 无锡菲达环保工程有限公司 | Sewage filtering device for environmental engineering |
| CN112675350A (en) * | 2021-01-12 | 2021-04-20 | 厦门良航叮咚科技股份有限公司 | Method and system for carrying out atomization deodorization by using plant extract |
| CN213033109U (en) * | 2020-08-07 | 2021-04-23 | 江苏硕泰建筑科技有限公司 | Cleaning equipment for concrete tailing |
| CN214050996U (en) * | 2020-11-24 | 2021-08-27 | 天津市信诺鼎盛建筑工程有限公司 | Concrete dust collector for building |
-
2021
- 2021-11-26 CN CN202111423393.3A patent/CN114570702A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1085587A (en) * | 1965-06-21 | 1967-10-04 | Rosaen Filter Co | Filter device |
| WO2012147148A1 (en) * | 2011-04-25 | 2012-11-01 | 株式会社石垣 | Buoyant filter medium-stirring device and filter |
| CN212091167U (en) * | 2020-05-12 | 2020-12-08 | 无锡菲达环保工程有限公司 | Sewage filtering device for environmental engineering |
| CN213033109U (en) * | 2020-08-07 | 2021-04-23 | 江苏硕泰建筑科技有限公司 | Cleaning equipment for concrete tailing |
| CN214050996U (en) * | 2020-11-24 | 2021-08-27 | 天津市信诺鼎盛建筑工程有限公司 | Concrete dust collector for building |
| CN112675350A (en) * | 2021-01-12 | 2021-04-20 | 厦门良航叮咚科技股份有限公司 | Method and system for carrying out atomization deodorization by using plant extract |
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Application publication date: 20220603 |