CN114939300A - Sewage treatment plant for environmental engineering - Google Patents
Sewage treatment plant for environmental engineering Download PDFInfo
- Publication number
- CN114939300A CN114939300A CN202210483593.6A CN202210483593A CN114939300A CN 114939300 A CN114939300 A CN 114939300A CN 202210483593 A CN202210483593 A CN 202210483593A CN 114939300 A CN114939300 A CN 114939300A
- Authority
- CN
- China
- Prior art keywords
- filter screen
- sewage treatment
- box
- decontamination
- environmental engineering
- 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.)
- Pending
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 40
- 230000007613 environmental effect Effects 0.000 title claims abstract description 21
- 238000005202 decontamination Methods 0.000 claims abstract description 48
- 230000003588 decontaminative effect Effects 0.000 claims abstract description 48
- 238000004140 cleaning Methods 0.000 claims abstract description 23
- 238000007790 scraping Methods 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 210000001503 joint Anatomy 0.000 claims abstract description 4
- 238000003860 storage Methods 0.000 claims description 19
- 239000012535 impurity Substances 0.000 abstract description 26
- 230000010405 clearance mechanism Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- 238000005201 scrubbing Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 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
- B01D29/62—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
- B01D29/6484—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 translatory movement with respect to 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
- B01D29/50—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 multiple filtering elements, characterised by their mutual disposition
- B01D29/56—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 multiple filtering elements, characterised by their mutual disposition in series connection
-
- 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
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
-
- 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
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention provides a sewage treatment device for environmental engineering, which comprises a decontamination box, wherein a filter screen is arranged in the decontamination box; the device is characterized in that a cleaning mechanism is arranged on the upper side of the filter screen; the clearance mechanism includes: two ends of the guide rod penetrate out of the decontamination box and are connected with the decontamination box in a sliding manner; the annular frame is arranged on the guide rod; the rotary disc is rotatably arranged in the decontamination box, a fixed block is arranged on the rotary disc, and the fixed block is slidably arranged in the annular frame; and one side of the scraping component is fixedly connected with the annular frame, and the other side of the scraping component is kept in butt joint with the filter screen. According to the invention, through the cleaning mechanism, impurities on the filter screen can be automatically cleaned, the filter screen is prevented from being blocked by the impurities, and compared with manual cleaning, the efficiency is higher.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a sewage treatment device for environmental engineering.
Background
Environmental engineering is mainly dedicated to research on how to reasonably utilize and protect natural resources so as to solve increasingly serious environmental problems and promote environmental protection and social development. The core of environmental engineering is the treatment of environmental pollution sources, including the treatment of production sewage and the treatment of domestic sewage, and the sewage is purified to meet the water quality requirement of being discharged into a certain water body or reused.
In-process discovery to sewage treatment, current sewage treatment plant mainly adopts the filter screen to filter out the impurity in the scrubbing sewage, but in the in-service use, often can adhere to a large amount of impurity on the filter screen, needs the manual work to regularly clear up, and otherwise these impurity can form the jam to the filtration pore on the filter screen, influence sewage treatment's process. In addition, in the process of cleaning impurities, the machine needs to be stopped, the operation process is complicated, and the working efficiency is low.
For example, in patent application No. 201920296585.4 entitled "an environmental protection sewage treatment plant", a cleaning mechanism is disclosed, which is rotatably connected within a central mounting tube, a power transmission device is fixedly connected to a support plate, the power transmission device is rotatably connected to the mounting plate, and the power transmission device is in meshing transmission connection with the cleaning mechanism. The sewage treatment device can automatically back-clean the filter screen, so that the filter screen can be recycled, and the cleaning efficiency and the cleaning effect of the filter screen are improved. However, in the process of cleaning the filter screen, the valves of the water inlet pipe and the water outlet pipe need to be closed, so that the sewage treatment efficiency is reduced, and in the cleaning process, high-pressure water is needed to wash away sewage impurities retained at the lower end of the filter screen, so that more sewage is generated, the impurities at the upper end of the filter screen cannot be cleaned, and the cleaning effect is not ideal.
Disclosure of Invention
In order to solve the above technical problems, an object of the present invention is to provide a sewage treatment apparatus for environmental engineering.
In order to achieve the above object, the technical solution of the present invention is as follows.
A sewage treatment device for environmental engineering comprises a decontamination box, wherein a filter screen is arranged in the decontamination box; the device is characterized in that a cleaning mechanism is arranged on the upper side of the filter screen; the clearance mechanism includes:
two ends of the guide rod penetrate out of the decontamination box and are connected with the decontamination box in a sliding manner;
the annular frame is arranged on the guide rod;
the rotary disc is rotatably arranged in the decontamination box, a fixed block is arranged on the rotary disc, and the fixed block is slidably arranged in the annular frame;
and one side of the scraping component is fixedly connected with the annular frame, and the other side of the scraping component is kept in butt joint with the filter screen.
Further, the doctoring assembly includes:
the mounting frame is arranged at the bottom of the annular frame;
the scraper plate is arranged in the mounting frame in a sliding mode, and the other side of the scraper plate is abutted against the filter screen;
and one end of the first spring is fixedly connected with the inner wall of the mounting frame, and the other end of the first spring is fixedly connected with the scraper.
Furthermore, the inner wall of the decontamination box is provided with a limiting groove, and the end part of the scraper is slidably connected with the limiting groove.
Furthermore, the cleaning mechanism also comprises a motor, and the output end of the motor is fixedly connected with the rotating shaft of the rotating disc; the inner wall of the decontamination box is fixedly provided with a fixed plate, and the motor is fixedly arranged on the fixed plate.
Further, a square opening is formed in the side wall of the decontamination box, and the square opening is formed in the upper side of one end of the filter screen; the outer wall of decontamination case is provided with the bin, the bin set up in square open-ended downside.
Furthermore, a filter screen groove is arranged in the storage box, a connector clip is fixedly arranged at the top of the filter screen groove, and the connector clip is detachably connected with the top of the storage box;
the bottom of bin is provided with the connecting pipe, the one end of connecting pipe with the bin intercommunication, the other end of connecting pipe with scrubbing case intercommunication.
Furthermore, the filter screen is obliquely arranged in the decontamination box; the square opening is arranged at the lowest end of the filter screen.
Further, the filter screen includes:
the first filter screen is arranged at the lower side of the scraping component;
the second filter screen is arranged at the lower side of the first filter screen;
the aperture of the first filter is larger than that of the second filter.
Furthermore, a chute with an opening at one end is arranged in the decontamination box, one end of the second filter screen is arranged in the chute in a sliding manner, the other end of the second filter screen is provided with a pull plate, and the pull plate is inserted into the opening end of the chute;
be provided with locating component on the lateral wall of arm-tie, locating component includes:
the connecting rod is fixedly arranged on the side wall of the pulling plate;
the positioning plate is sleeved on the connecting rod;
the second spring is sleeved on the connecting rod and is kept in butt joint with the positioning plate;
the arc-shaped clamping plate is arranged on the outer wall of the decontamination box, and one end of the positioning plate can be clamped into the arc-shaped clamping plate.
Further, the top of decontamination box is provided with the water inlet, the bottom of decontamination box is provided with the delivery port.
The invention has the beneficial effects that:
1. when the sewage is filtered, the motor is started to drive the rotary table to rotate, the rotary table further drives the fixed block to rotate, the fixed block drives the annular frame to move, the annular frame can only move leftwards and rightwards under the limit of the guide rod, the annular frame further drives the installation frame and the scraper to move, the scraper scrapes impurities on the surface of the coarse filter screen, and the arranged storage box is used for storing the impurities.
2. When needs cleared up the impurity on the thin filter screen, rotate the locating plate, make the locating plate not with arc cardboard joint, then the pulling arm-tie takes out thin filter screen, clears up the impurity on the thin filter screen, through above-mentioned technical scheme, can be fast convenient clear up the thin filter screen, avoid washing the filter screen and blockked up by impurity, unable normal use.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a front cut-away schematic view of the present invention.
Fig. 3 is a partially enlarged view of a portion a of fig. 2 according to the present invention.
FIG. 4 is a rear cutaway schematic view of the present invention;
fig. 5 is a partially enlarged view of portion B of fig. 4 according to the present invention.
Fig. 6 is a schematic view showing the structure of the storage box of the present invention.
In the figure, 1, a decontamination box; 11. a water inlet; 12. a water outlet; 13. a limiting groove; 14. a square opening; 2. a filter screen; 21. a first filter screen; 22. a second filter screen; 3. a cleaning mechanism; 31. a guide bar; 32. an annular frame; 33. a turntable; 34. a fixed block; 35. a scraping assembly; 351. installing a frame; 352. a squeegee; 353. a first spring; 36. a motor; 37. a fixing plate; 4. a storage tank; 41. a filter screen groove; 42. a plug-in unit; 43. a connecting pipe; 5. pulling a plate; 6. a positioning assembly; 61. a connecting rod; 62. positioning a plate; 63. a second spring; 64. arc cardboard.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 6, a sewage treatment device for environmental engineering includes a decontamination box 1, a water inlet 11 is disposed at the top of the decontamination box 1, and a water outlet 12 is disposed at the bottom of the decontamination box 1. A filter screen 2 is arranged in the decontamination box 1; the upper side of the filter screen 2 is provided with a cleaning mechanism 3 for cleaning sundries; wherein, the filter screen 2 comprises a first filter screen 21 and a second filter screen 22; the first filter screen 21 is arranged at the lower side of a scraping component 35 of the cleaning mechanism 3; the second filter 22 is arranged at the lower side of the first filter 2; the aperture of the first filter 21 is larger than the aperture of the second filter 22. Therefore, the first filter screen forms a coarse filter screen; the second filter constitutes a fine filter. The sewage is filtered by two layers of filter screens with different apertures so as to improve the filtering effect. The first filter screen 21 is obliquely arranged in the decontamination box 1; the square opening 14 is provided at the lowermost end side of the first filter 21. The first filter screen 21 is obliquely arranged in the decontamination box 1, and the purpose of the arrangement is to move impurities in sewage together, so that the cleaning is convenient.
Referring to fig. 2 and 4 to 5, in order to clean the surface of the first filter, the first filter is prevented from being clogged due to impurities accumulated on the surface of the first filter. The cleaning mechanism 3 includes: a guide rod 31, a ring frame 32, a rotary disc 33, a fixed block 34, a scraping component 35, a motor 36 and a fixed plate 37.
Both ends of the guide rod 31 penetrate through the decontamination box 1 and are slidably connected with the decontamination box 1; for example, two side walls of the decontamination box are provided with sliding holes, and two ends of the guide rod 31 penetrate through the corresponding sliding holes respectively and can slide left and right along the corresponding sliding holes in a reciprocating manner. The annular frame 32 is fixedly arranged on the guide rod 31; the turntable 33 is rotatably arranged in the decontamination box 1 and is positioned at one side of the annular frame 32; a fixed block 34 is arranged on the rotary table 33, and the fixed block 34 can be slidably arranged in the annular frame 32; the output end of the motor 36 is fixedly connected with the rotating shaft of the rotating disc 33; the inner wall of the decontamination box 1 is fixedly provided with a fixing plate 37, and the motor 36 is fixedly arranged on the fixing plate 37. One side of the scraping assembly 35 is fixedly connected with the ring frame 32, and the other side thereof is held in abutment against the filter screen 2.
When filtering sewage, the motor 36 that starts earlier drives carousel 33 and rotates, and carousel 33 further drives fixed block 34 and rotates, and fixed block 34 drives annular frame 32 and removes, because annular frame 32 can only remove about under guide arm 31's is spacing, and annular frame 32 further drives scrapes the removal of subassembly 35, scrapes the subassembly 35 and scrapes the impurity of first filter screen surface and get from this accessible, and scrapes and get in the appointed container.
In order to keep the bottom of the scraping assembly always abutting against the first filter mesh, the scraping assembly 35 comprises: a mounting frame 351, a scraper 352 and a first spring 353; the mounting frame 351 is arranged at the bottom of the annular frame 32; for example, the opening of the mounting frame faces the first filter screen, a fixing shaft is fixedly arranged at the top of the mounting frame, and one end of the fixing shaft is fixedly connected with the bottom of the annular frame 32. One side of the scraper 352 is slidably arranged in the mounting frame 351, and the other side of the scraper 352 is kept in contact with the filter screen 2; the first spring 353 is disposed in the mounting frame 351; one end of the first spring 353 is fixedly connected to the inner wall of the mounting frame 351, and the other end of the first spring 353 is fixedly connected to the scraper 352. In the use process, the installation frame 351 and the scraper 352 move left and right along with the movement of the annular frame 32 to scrape impurities on the surface of the first filter screen; at the moment, the first spring is always in a compressed state, and under the action of the elastic force of the first spring, the scraper is pushed to always abut against the surface of the first filter screen, so that impurities on the surface of the first filter screen are scraped. Because the surface of first filter screen is the slope setting, can drive scraper blade 352 and stretch out and draw back according to the surface position of first filter screen.
In order to improve the moving stability of the scraper, the inner wall of the decontamination box 1 is provided with a limit groove 13, and the end of the scraper 352 is slidably connected with the limit groove 13.
Referring to fig. 2 and 6, a square opening 14 is formed in the side wall of the decontamination box 1, and the square opening 14 is formed in the upper side of one end of the filter screen 2; the outer wall of decontamination box 1 is provided with storage box 4, and storage box 4 sets up in the downside of square opening 14. The setting of square opening can make scrubbing case and bin be linked together, and through the effect of scraper blade, in making the impurity on the first filter screen scraped and get the bin, the effect of bin is used for storing and scrapes the impurity of getting from first filter screen. A filter screen groove 41 is arranged in the storage box 4, a plug connector 42 is fixedly arranged at the top of the filter screen groove 41, and the plug connector 42 is detachably connected with the top of the storage box 4; for example, the top of the storage box is provided with a slot, the plug connector is in an inverted U shape, one end of the plug connector is fixedly connected with the top of the filter screen slot, and the other end of the plug connector is inserted into the corresponding slot. The plug 42 is provided for taking out the sieve tank 41 by pulling the plug 42 on the one hand and for mounting and dismounting the sieve tank 41 on the other hand. The shape of the filter screen groove 41 is matched with that of the storage tank, and the filter screen grooves are square.
Referring to fig. 1 to 3, a chute with an open end is disposed in the decontamination box 1, one end of the second filter 22 is slidably disposed in the chute, the other end of the second filter 22 is disposed with a pulling plate 5, and the pulling plate 5 is inserted into the open end of the chute. The second filter screen is fine filter screen, and the fine filter screen of setting can further clear up the sewage after the coarse filtration net filters. Be provided with locating component 6 on the lateral wall of arm-tie 5, locating component 6 includes: the connecting rod 61, the positioning plate 62, the second spring 63 and the arc-shaped clamping plate 64;
the connecting rod 61 is fixedly arranged on the side wall of the pulling plate 5; the positioning plate 62 is sleeved on the connecting rod 61 and movably connected with the connecting rod; the second spring 63 is sleeved on the connecting rod 61 and keeps abutting against the positioning plate 62; one end of the connecting rod, which is far away from the pulling plate, is provided with a limiting part, one end of the second spring is abutted against the limiting part, and the other end of the second spring is abutted against the positioning plate. The second spring keeps contact with the locating plate, and because the second spring is in a compression state, the locating plate is elastically supported and pressed through the second spring, so that the stability of the locating plate and the arc-shaped clamping plate in clamping connection is ensured. Arc cardboard 64 sets up on the outer wall of decontamination case 1, and the one end of locating plate 62 can be blocked in the arc cardboard 64. When needs cleared up the impurity on the thin filter screen, rotate the locating plate, make the locating plate not with arc cardboard joint, then the pulling arm-tie takes out the thin filter screen, clears up the impurity on the thin filter screen.
In the embodiment of the invention, when sewage is filtered, the motor is started to drive the rotary table to rotate, the rotary table further drives the fixed block to rotate, the fixed block drives the annular frame to move, the annular frame can only move leftwards and rightwards under the limit of the guide rod, the annular frame further drives the installation frame and the scraper to move, the scraper scrapes impurities on the surface of the coarse filter screen, and the arranged storage box is used for storing the impurities.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A sewage treatment device for environmental engineering comprises a decontamination box (1), wherein a filter screen (2) is arranged in the decontamination box (1); the device is characterized in that a cleaning mechanism (3) is arranged on the upper side of the filter screen (2); the cleaning mechanism (3) comprises:
the two ends of the guide rod (31) penetrate out of the decontamination box (1) and are connected with the decontamination box (1) in a sliding manner;
an annular frame (32) disposed on the guide bar (31);
the rotary disc (33) is rotatably arranged in the decontamination box (1), a fixed block (34) is arranged on the rotary disc (33), and the fixed block (34) is slidably arranged in the annular frame (32);
and a scraping component (35), one side of which is fixedly connected with the annular frame (32), and the other side of which is kept to abut against the filter screen (2).
2. The sewage treatment device for environmental engineering according to claim 1, wherein the scraping assembly (35) comprises:
a mounting frame (351) provided at the bottom of the ring frame (32);
a scraper (352) having one side slidably provided in the mounting frame (351) and the other side held in contact with the filter screen (2);
and a first spring (353) having one end fixedly connected to the inner wall of the mounting frame (351) and the other end fixedly connected to the scraper (352).
3. The sewage treatment device for environmental engineering according to claim 2, wherein the inner wall of the sewage removal tank (1) is provided with a limiting groove (13), and the end of the scraper (352) is slidably connected with the limiting groove (13).
4. The sewage treatment device for environmental engineering according to claim 1, wherein said cleaning mechanism further comprises a motor (36), an output end of said motor (36) is fixedly connected with a rotating shaft of said rotating disc (33); the inner wall of decontamination case (1) is fixed and is provided with fixed plate (37), motor (36) fixed mounting in on fixed plate (37).
5. The sewage treatment device for environmental engineering according to claim 1, wherein a side wall of the decontamination box (1) is provided with a square opening (14), and the square opening (14) is arranged at an upper side of one end of the filter screen (2); the outer wall of the decontamination box (1) is provided with a storage box (4), and the storage box (4) is arranged on the lower side of the square opening (14).
6. The sewage treatment device for the environmental engineering according to claim 5, wherein a filter screen groove (41) is arranged in the storage tank (4), a plug connector (42) is fixedly arranged at the top of the filter screen groove (41), and the plug connector (42) is detachably connected with the top of the storage tank (4);
the bottom of bin (4) is provided with connecting pipe (43), the one end of connecting pipe (43) with bin (4) intercommunication, the other end of connecting pipe (43) with decontamination case (1) intercommunication.
7. The sewage treatment device for environmental engineering according to claim 5, wherein the filter screen (2) is obliquely arranged in the decontamination box (1); the square opening (14) is formed in the lowest end of the filter screen (2).
8. The sewage treatment device for environmental engineering according to claim 1, wherein the filter screen (2) comprises:
a first filter screen (21) disposed at a lower side of the scraping assembly (35);
a second filter (22) disposed at a lower side of the first filter (2);
the aperture of the first filter (21) is larger than that of the second filter (22).
9. The sewage treatment device for the environmental engineering according to claim 8, wherein a chute with an open end is arranged in the sewage removal tank (1), one end of the second filter screen (22) is slidably arranged in the chute, the other end of the second filter screen (22) is provided with a pulling plate (5), and the pulling plate (5) is inserted into the open end of the chute;
be provided with locating component (6) on the lateral wall of arm-tie (5), locating component (6) include:
the connecting rod (61) is fixedly arranged on the side wall of the pulling plate (5);
the positioning plate (62) is sleeved on the connecting rod (61);
the second spring (63) is sleeved on the connecting rod (61) and is kept in butt joint with the positioning plate (62);
the dirt removing box comprises an arc-shaped clamping plate (64) arranged on the outer wall of the dirt removing box (1), and one end of a positioning plate (62) can be clamped into the arc-shaped clamping plate (64).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210483593.6A CN114939300A (en) | 2022-05-06 | 2022-05-06 | Sewage treatment plant for environmental engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210483593.6A CN114939300A (en) | 2022-05-06 | 2022-05-06 | Sewage treatment plant for environmental engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114939300A true CN114939300A (en) | 2022-08-26 |
Family
ID=82908081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210483593.6A Pending CN114939300A (en) | 2022-05-06 | 2022-05-06 | Sewage treatment plant for environmental engineering |
Country Status (1)
| Country | Link |
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| CN (1) | CN114939300A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115999225A (en) * | 2022-12-23 | 2023-04-25 | 中国水利水电第六工程局有限公司 | Sewage treatment device |
-
2022
- 2022-05-06 CN CN202210483593.6A patent/CN114939300A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115999225A (en) * | 2022-12-23 | 2023-04-25 | 中国水利水电第六工程局有限公司 | Sewage treatment device |
| CN115999225B (en) * | 2022-12-23 | 2024-05-14 | 中国水利水电第六工程局有限公司 | Sewage treatment device |
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