CN112057923A - Primary sewage impurity recovery environmental protection processing apparatus - Google Patents
Primary sewage impurity recovery environmental protection processing apparatus Download PDFInfo
- Publication number
- CN112057923A CN112057923A CN202010927561.1A CN202010927561A CN112057923A CN 112057923 A CN112057923 A CN 112057923A CN 202010927561 A CN202010927561 A CN 202010927561A CN 112057923 A CN112057923 A CN 112057923A
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- Prior art keywords
- sewage
- treatment device
- primary
- filter screen
- impurity recovery
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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.)
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- 239000010865 sewage Substances 0.000 title claims abstract description 41
- 239000012535 impurity Substances 0.000 title claims abstract description 32
- 238000011084 recovery Methods 0.000 title claims abstract description 15
- 230000007613 environmental effect Effects 0.000 title claims description 12
- 238000001914 filtration Methods 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 2
- 241001330002 Bambuseae Species 0.000 claims description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 2
- 239000011425 bamboo Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 6
- 238000004064 recycling Methods 0.000 claims 3
- 230000001681 protective effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 239000003344 environmental pollutant Substances 0.000 description 6
- 231100000719 pollutant Toxicity 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 241000196324 Embryophyta Species 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 239000010842 industrial wastewater Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 231100001234 toxic pollutant Toxicity 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002351 wastewater 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
Abstract
The invention relates to the technical field of sewage environment-friendly treatment, and discloses a sewage primary impurity recovery environment-friendly treatment device which comprises a fixed bottom plate, wherein support frames are arranged on two sides of the upper end of the fixed bottom plate, a treatment box is arranged at the top end of each support frame, a driving shaft is arranged in the middle of the fixed bottom plate in the vertical direction, a driving gear is arranged at the upper end of the driving shaft, two ends of the driving gear are respectively meshed with a driven gear, a rotating shaft is arranged in the middle of the driven gear, a crank is arranged in the middle of the rotating shaft, a sliding sleeve is sleeved in the middle of the crank, a connecting rod is arranged at the upper end of the sliding sleeve, a lifting rod is hinged. The invention ensures that the rotating shaft can move up and down while rotating, thereby removing impurities in the filter screen, avoiding the blockage in the filter screen, increasing the filtering effect and further ensuring the stability of the filter screen during working.
Description
Technical Field
The invention relates to the technical field of sewage environment-friendly treatment, in particular to a sewage primary impurity recovery environment-friendly treatment device.
Background
Water, generally refers to the effluent water from life and production that is contaminated to some extent. The sewage mainly comprises domestic sewage, industrial wastewater and initial rainwater. The main pollutants of the sewage comprise pathogen pollutants, oxygen-consuming pollutants, plant nutrients, toxic pollutants and the like, and the water body pollution caused by human production activities and the water body pollution caused by industry is the most serious. It accounts for a large portion of the pollutants discharged by industry. The pollutants contained in the industrial wastewater vary widely according to different types of plants, and even if the same type of plants have different production processes, the quality and the quantity of the pollutants contained in the industrial wastewater are different. In addition to the pollution caused by the direct injection of the discharged wastewater into the water body, the industry also pollutes the water body by solid waste and waste gas.
Sewage treatment is a process of purifying sewage to meet the requirement of discharging the sewage into a certain water body or reusing the sewage, and the sewage treatment is widely applied to various fields of buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and is also increasingly used in daily life of common people.
In the ordinary sewage treatment, a large amount of impurities which are not contained in water are in the sewage, people usually salvage the impurities manually, and the defects that the impurities cannot be automatically collected and collected are not careful exist. Chinese patent publication No. CN208700766U discloses an impurity treatment device for industrial sewage, which comprises a tank body, wherein a cleaning mechanism is arranged in the tank body, a sealing plate is clamped on one side of the tank body, a rubber pad is fixedly arranged on one side of the sealing plate, lantern rings are welded on two sides of the outer surface of the sealing plate, through pipes are welded on the other two sides of the tank body, one side of the inner wall of each through pipe is rotatably connected with a gear through a rotating shaft, a first rack and a second rack which are meshed with the gear are respectively arranged on two sides of the gear, the device has a principle basically similar to that of the existing impurity treatment device, the device adopts a filtering mode to intercept and separate solid-liquid components in the sewage to clean the impurities, but the filtering structure for interception can be blocked due to accumulation of the impurities in the long-time treatment process to influence the normal circulation of the sewage, often need to be cleaned, which is very inconvenient.
Disclosure of Invention
The invention aims to provide an environment-friendly sewage primary impurity recovery treatment device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
an environment-friendly sewage primary impurity recovery treatment device comprises a fixed bottom plate, wherein support frames are arranged on two sides of the upper end of the fixed bottom plate, a treatment box is arranged at the top end of each support frame, a driving shaft is arranged in the vertical direction in the middle of the fixed bottom plate, a driving gear is arranged on the upper end of the driving shaft, driven gears are meshed with the two ends of the driving gear, a rotating shaft is arranged in the middle of each driven gear, a crank is arranged in the middle of the rotating shaft, a sliding sleeve is sleeved in the middle of the crank, a connecting rod is arranged on the upper end of the sliding sleeve, a lifting rod is hinged to the upper end of the connecting rod, a lifting sleeve is arranged at the top end of the lifting rod, a rotating shaft is rotatably arranged in the middle of the upper end of the driving gear, the top, and two sides of the upper end of the filter screen are provided with positioning mechanisms.
As a further scheme of the invention: supporting legs are installed on two sides of the lower end of the fixed bottom plate, and a drain outlet is installed at the bottom end of the treatment box.
As a further scheme of the invention: and a driving motor is arranged in the middle of the lower end of the fixed bottom plate, and an output shaft of the driving motor is connected with a driving shaft.
As a further scheme of the invention: the inner wall of the rotary cylinder is provided with a guide groove, and the outer side of the bottom end of the rotary shaft is provided with a guide strip matched with the guide groove.
As a further scheme of the invention: the middle part of the filter screen is provided with a plurality of filter holes.
As a further scheme of the invention: the top end of the rotating disk is provided with a plurality of rotating brushes.
As a further scheme of the invention: the positioning mechanism comprises fixing blocks fixed at two ends of the treatment box, the middle of each fixing block is rotatably connected with a rotating frame through a hinge shaft, and a pressing plate is fixedly connected to the upper end of each rotating frame.
As a further scheme of the invention: the positioning mechanism further comprises limiting frames fixed in the middle parts of two ends of the processing box, the middle parts of the limiting frames are connected with screw rods through threaded structures, idler wheels are mounted at the top ends of the screw rods, and the idler wheels slide in rolling grooves formed in the lower end of the pressing plate.
As a further scheme of the invention: and a rotating handle is arranged at the bottom end of the screw rod.
As a still further scheme of the invention: and a protection pad is arranged at the inner side of the pressure plate close to the edge of the upper end of the filter screen.
Compared with the prior art, the invention has the beneficial effects that:
the utility model provides a primary impurity recovery environmental protection processing apparatus of sewage, it is rational in infrastructure, the modern design, through mutually supporting between the rotatory section of thick bamboo that is equipped with and the lift cover, ensured that the rotation axis can also reciprocate in the pivoted, and then to the inside edulcoration that carries on of filter screen, avoided the inside jam of filter screen, increased the filter effect, set up positioning mechanism simultaneously and also further ensured the filter screen stability at the during operation, avoid it to take place to rock, the practicality is strong, the reliability is high.
Drawings
FIG. 1 is a schematic structural view of an environmental protection treatment device for recovering primary impurities in sewage.
Fig. 2 is a partially enlarged structural diagram of a in fig. 1.
FIG. 3 is a schematic view of a filter screen in an environmental protection treatment device for recovering primary impurities from sewage.
Fig. 4 is a schematic sectional structure view of a-a in fig. 1.
In the figure: 1-supporting frame, 2-fixed bottom plate, 3-supporting leg, 4-driving motor, 5-driving gear, 6-driving shaft, 7-driven gear, 8-rotating shaft, 9-crank, 10-sliding sleeve, 11-connecting rod, 12-lifting rod, 13-lifting sleeve, 14-rotating shaft, 15-rotating disk, 16-rotating brush, 17-sewage outlet, 18-processing box, 19-clapboard, 20-filtering screen, 21-rotating cylinder, 22-limiting frame, 23-rotating handle, 24-screw, 25-roller, 26-pressing plate, 27-rolling groove, 28-rotating frame, 29-articulated shaft, 30-protecting pad, 31-guiding groove, 32-guiding strip, 33-filtering hole, etc, And 34, fixing blocks.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Example 1
Referring to fig. 1-4, in the embodiment of the invention, a primary sewage impurity recovery and environmental protection treatment device comprises a fixed bottom plate 2, a driving motor 4 is installed in the middle of the lower end of the fixed bottom plate 2 and used for driving a driving shaft 6 to rotate, the driving shaft 6 is connected with an output shaft of the driving motor 4 and is the only power source of the whole device, supporting legs 3 are installed on two sides of the lower end of the fixed bottom plate 2 and used for supporting and fixing the whole device, a sewage discharge outlet 17 is installed at the bottom end of a treatment box 18 and used for discharging sewage, supporting frames 1 are installed on two sides of the upper end of the fixed bottom plate 2, the treatment box 18 is installed at the top end of the supporting frame 1, the driving shaft 6 is installed in the middle of the fixed bottom plate 2 in the vertical direction, a driving gear 5 is installed on the upper end of the driving shaft 6, a sliding sleeve 10 is sleeved in the middle of the crank 9, a connecting rod 11 is installed at the upper end of the sliding sleeve 10, a lifting rod 12 is hinged at the upper end of the connecting rod 11, a lifting sleeve 13 is installed at the top end of the lifting rod 12, so that the lifting rod 12 can drive the lifting sleeve 13 to move up and down, a rotating shaft 14 is rotatably installed in the middle of the lifting sleeve 13, the lower end of the rotating shaft 14 penetrates through the inside of a rotating cylinder 21 fixed in the middle of the upper end of the driving gear 5, a guide groove 31 is formed in the inner wall of the rotating cylinder 21, a guide strip 32 mutually matched with the guide groove 31 is arranged on the outer side of the bottom end of the rotating shaft 14, the rotating cylinder 21 drives the rotating shaft 14 to rotate while rotating without influencing the up-down displacement of the rotating shaft 14 by arranging the guide strip 32 and matching with the guide groove 31, the top end of the, the top end of the rotating disk 15 is provided with a plurality of rotating brushes 16, so that the cleaning of devices attached to the inside of the filtering holes 33 is further increased, the filtering net 20 is prevented from being blocked, the top end of the inside of the processing box 18 is provided with a partition plate 19, the filtering net 20 is placed at the upper end of the partition plate 19, the middle of the filtering net 20 is provided with a plurality of filtering holes 33 for ensuring the circulation of sewage, both sides of the upper end of the filtering net 20 are provided with positioning mechanisms, each positioning mechanism comprises a fixing block 34 fixed at both ends of the processing box 18, the middle part of the fixing block 34 is rotatably connected with a rotating frame 28 through a hinge shaft 29, the upper end of the rotating frame 28 is fixedly connected with a pressing plate 26 so as to fix the upper end edge of the filtering net 20, the positioning mechanisms further comprise limiting frames 22 fixed at the middle parts of both ends of the processing box 18, the middle parts of, therefore, the up-and-down movement of the screw 24 can be converted into the rotation movement of the pressing plate 26, and the pressing effect on the filter screen 20 can be ensured, and the bottom end of the screw 24 is provided with a rotating handle 23 for driving the screw 24 to rotate.
Example 2
In another embodiment of the present invention, the difference between the above embodiments is that a protection pad 30 is installed inside the pressure plate 26 near the edge of the upper end of the filter screen 20, for ensuring that the pressure plate 26 does not damage the edge of the filter screen 20 during the process of pressing and positioning the filter screen 20.
In the invention, when the device works, sewage flows into the treatment box 18 through the filter screen 20, then the driving motor 4 is started, the driving motor 4 drives the driving shaft 6 to rotate, and the driving gear 5 synchronously rotates, then the rotating shaft 14 is driven to synchronously rotate the rotating disc 15 under the action of the rotating cylinder 21, meanwhile, the driving gear 5 is meshed with the driven gear 7 in the rotating process, and under the action of the rotating shaft 8, the crank 9, the sliding sleeve 10 and the connecting rod 11, the lifting rod 12 drives the lifting sleeve 13 to synchronously move up and down, so that the rotating shaft 14 can move up and down while being driven to rotate, the impurities are prevented from being blocked in the filter hole 33, after the impurities in the filter screen 20 are fully stacked, the screw 24 is moved down by rotating the screw 24, the pressing plate 26 is loosened under the action of the rotating frame 28, and then a worker can pour the impurities in the filter screen 20 after taking down the, the whole process is simple, quick and convenient. The rotary drum type filter screen is reasonable in structure and novel in design, the rotary drum 21 and the lifting sleeve 13 are matched with each other, the rotary shaft 14 is guaranteed to move up and down while rotating, impurities are removed from the interior of the filter screen 20, the interior of the filter screen 20 is prevented from being blocked, the filtering effect is improved, meanwhile, the positioning mechanism is arranged, the stability of the filter screen 20 during working is further guaranteed, the filter screen is prevented from shaking, and the rotary drum type filter screen is high in practicability and reliability.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a sewage elementary impurity recovery environmental protection processing apparatus, includes PMKD (2), PMKD (2) upper end both sides erection bracing frame (1), support frame (1) top installation processing case (18), a serial communication port, install drive shaft (6) in the vertical direction in PMKD (2) middle part, drive shaft (6) upper end installation driving gear (5), driving gear (5) both ends all mesh driven gear (7), driven gear (7) mid-mounting axis of rotation (8), axis of rotation (8) middle part is equipped with crank (9), crank (9) middle part cover is equipped with sliding sleeve (10), sliding sleeve (10) upper end installation connecting rod (11), connecting rod (11) upper end articulates there is lifter (12), lifter (12) top installation lift cover (13), the lift cover (13) middle part is rotated and is provided with rotation axis (14), rotation axis (14) lower extreme is worn to be equipped with and is fixed in rotatory section of thick bamboo (21) the middle part of driving gear ( The part, rotation axis (14) top is passed and is handled case (18) bottom and locate and handle inside case (18), is located and handles inside rotation axis (14) top installation rotary disk (15) of case (18), handle inside top installation baffle (19) of case (18), filter screen (20) have been placed to baffle (19) upper end, and filter screen (20) upper end both sides are provided with positioning mechanism.
2. The environment-friendly sewage primary impurity recovery treatment device as claimed in claim 1, wherein support legs (3) are arranged on two sides of the lower end of the fixed bottom plate (2), and a sewage draining outlet (17) is arranged at the bottom end of the treatment tank (18).
3. The primary sewage impurity recovery and environment-friendly treatment device as claimed in claim 1 or 2, wherein a driving motor (4) is installed in the middle of the lower end of the fixed bottom plate (2), and an output shaft of the driving motor (4) is connected with a driving shaft (6).
4. The environment-friendly sewage primary impurity recovery treatment device according to claim 3, wherein the inner wall of the rotary drum (21) is provided with a guide groove (31), and the outer side of the bottom end of the rotary shaft (14) is provided with a guide strip (32) which is matched with the guide groove (31).
5. The primary sewage impurity recovery and environmental protection treatment device according to claim 1, wherein the filtering net (20) is provided with a plurality of filtering holes (33) in the middle.
6. The environmental protection treatment device for recycling primary impurities in sewage water as claimed in claim 1, wherein the top end of the rotating disc (15) is provided with a plurality of rotating brushes (16).
7. The environment-friendly sewage primary impurity recovery treatment device according to claim 1, wherein the positioning mechanism comprises fixing blocks (34) fixed at two ends of the treatment tank (18), the middle parts of the fixing blocks (34) are rotatably connected with a rotating frame (28) through hinge shafts (29), and the upper ends of the rotating frame (28) are fixedly connected with the pressing plate (26).
8. The environment-friendly sewage primary impurity recovery treatment device according to claim 7, wherein the positioning mechanism further comprises a limiting frame (22) fixed in the middle of the two ends of the treatment tank (18), the middle of the limiting frame (22) is connected with a screw rod (24) through a threaded structure, the top end of the screw rod (24) is provided with a roller (25), and the roller (25) slides inside a rolling groove (27) arranged at the lower end of the pressing plate (26).
9. The environmental protection treatment device for recycling primary impurities in sewage according to claim 8, wherein a rotating handle (23) is installed at the bottom end of the screw rod (24).
10. The environmental protection treatment device for recycling the primary impurities in the sewage according to claim 9, wherein a protective pad (30) is installed on the inner side of the pressure plate (26) near the edge of the upper end of the filter screen (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010927561.1A CN112057923A (en) | 2020-09-07 | 2020-09-07 | Primary sewage impurity recovery environmental protection processing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010927561.1A CN112057923A (en) | 2020-09-07 | 2020-09-07 | Primary sewage impurity recovery environmental protection processing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112057923A true CN112057923A (en) | 2020-12-11 |
Family
ID=73663673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010927561.1A Withdrawn CN112057923A (en) | 2020-09-07 | 2020-09-07 | Primary sewage impurity recovery environmental protection processing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112057923A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112645476A (en) * | 2020-12-31 | 2021-04-13 | 湖北中澈环保科技有限公司 | Harmless recovery processing device of domestic waste landfill leachate |
| CN113082823A (en) * | 2021-04-26 | 2021-07-09 | 中铧正鑫路桥有限公司 | Sewage treatment circulation system that engineering was used is built in room |
| CN113842687A (en) * | 2021-09-04 | 2021-12-28 | 湖南德人牧业科技有限公司 | Sewage treatment plant is bred to ox that filtering component is convenient for change |
| CN116242195A (en) * | 2023-03-24 | 2023-06-09 | 南通星球石墨股份有限公司 | Graphite heat exchanger filtering mechanism |
| CN117364563A (en) * | 2023-12-06 | 2024-01-09 | 山东中创工程咨询有限公司 | Road drainage device |
-
2020
- 2020-09-07 CN CN202010927561.1A patent/CN112057923A/en not_active Withdrawn
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112645476A (en) * | 2020-12-31 | 2021-04-13 | 湖北中澈环保科技有限公司 | Harmless recovery processing device of domestic waste landfill leachate |
| CN113082823A (en) * | 2021-04-26 | 2021-07-09 | 中铧正鑫路桥有限公司 | Sewage treatment circulation system that engineering was used is built in room |
| CN113842687A (en) * | 2021-09-04 | 2021-12-28 | 湖南德人牧业科技有限公司 | Sewage treatment plant is bred to ox that filtering component is convenient for change |
| CN113842687B (en) * | 2021-09-04 | 2023-02-28 | 湖南德人牧业科技有限公司 | Sewage treatment plant is bred to ox that filtering component is convenient for change |
| CN116242195A (en) * | 2023-03-24 | 2023-06-09 | 南通星球石墨股份有限公司 | Graphite heat exchanger filtering mechanism |
| CN116242195B (en) * | 2023-03-24 | 2023-08-22 | 南通星球石墨股份有限公司 | Graphite heat exchanger filtering mechanism |
| CN117364563A (en) * | 2023-12-06 | 2024-01-09 | 山东中创工程咨询有限公司 | Road drainage device |
| CN117364563B (en) * | 2023-12-06 | 2024-03-15 | 山东中创工程咨询有限公司 | Road drainage device |
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Application publication date: 20201211 |