CN111375231B - Sludge scraping device of treatment tank for sewage treatment of environmental protection equipment - Google Patents
Sludge scraping device of treatment tank for sewage treatment of environmental protection equipment Download PDFInfo
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- CN111375231B CN111375231B CN202010281916.4A CN202010281916A CN111375231B CN 111375231 B CN111375231 B CN 111375231B CN 202010281916 A CN202010281916 A CN 202010281916A CN 111375231 B CN111375231 B CN 111375231B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/18—Construction of the scrapers or the driving mechanisms for settling tanks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/02—Settling tanks with single outlets for the separated liquid
- B01D21/04—Settling tanks with single outlets for the separated liquid with moving scrapers
- B01D21/06—Settling tanks with single outlets for the separated liquid with moving scrapers with rotating scrapers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/245—Discharge mechanisms for the sediments
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- 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
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention relates to the technical field of environmental protection equipment, and particularly discloses a sludge scraping device for a treatment pool of the environmental protection equipment for sewage treatment, which comprises a treatment cylinder body and a conveying cylinder body, wherein the inside of the treatment cylinder body is concentrically and fixedly connected with the conveying cylinder body through a connecting rod, the top of the treatment cylinder body is fixedly connected with a mounting plate through a supporting rod, a motor is fixedly mounted on the mounting plate, an output shaft of the motor is coaxially and fixedly connected with a rotating shaft, a spiral blade is fixedly arranged on the side wall of the rotating shaft, the bottom of the rotating shaft is fixedly connected to the inner end of a bottom sludge scraper, the outer end of the bottom sludge scraper is fixedly connected to the bottom of the spiral sludge scraper, the side wall of the spiral sludge scraper is in contact with the inner side wall of the treatment cylinder body, the inner bottom of the treatment cylinder body is of an inverted conical structure, the side wall of the top of the conveying cylinder body is communicated with the inner end of a sludge guide groove, and the sludge guide groove is obliquely arranged. The invention has the advantages that: simple structure, low in production cost, the clearance is convenient, has avoided piling up, the facilitate promotion is implemented.
Description
Technical Field
The invention relates to the technical field of environmental protection equipment, in particular to a sludge scraping device of a treatment tank for sewage treatment of the environmental protection equipment.
Background
The Chinese fresh water resource is in the average level in the world, and the problem of water pollution caused by a large industrial sound field is increasingly serious. Therefore, sewage treatment receives attention of more and more people, the existing sewage treatment modes comprise a physical precipitation method, a chemical precipitation method, a biodegradation method and the like, but no matter which mode is adopted for sewage treatment, in the sewage treatment process, a large amount of sludge can be accumulated at the bottom of the sewage treatment device after a period of time, and in order to ensure the normal and effective running of the sewage treatment, a user often needs to clean the sludge inside the sewage treatment device, the existing cleaning mode needs to treat the water drainage inside the sewage treatment device and then treat the water drainage, but the treatment mode not only consumes long time, the normal running of the sewage treatment is influenced, meanwhile, the great workload is brought to the user, the labor is increased, and the cost of the sewage treatment is improved.
Chinese patent (publication No. CN 208865245U, bulletin date: 2019.05.17) discloses a sludge discharge device for sewage treatment, which comprises a sewage treatment box, wherein a water inlet pipe is arranged at the upper part of the left side surface of the sewage treatment box, a water outlet pipe is arranged at the upper part of the right side surface of the sewage treatment box, a mounting groove is arranged at the lower part of the middle part of the front end surface of the sewage treatment box, a partition plate is arranged inside the mounting groove, a movable plate is arranged at the front end of the partition plate, electric telescopic rods are arranged at four corners of the rear side surface of the movable plate, the rear ends of the electric telescopic rods are connected with the front end surface of the sewage treatment box, the movable plate is used for partitioning and needs to be moved out to clean a floor, the operation procedure is complicated, sludge cannot be automatically discharged, and the sludge discharge device is not convenient to popularize and implement.
Disclosure of Invention
The invention aims to provide a sludge scraping device for a sewage treatment tank of environmental protection equipment, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a mud device is scraped with handling pond to environmental protection equipment sewage treatment, is including handling the barrel and carrying the barrel, handles the inside of barrel and carries the barrel through the concentric fixedly connected with of connecting rod, carries the barrel and has the gap with the bottom of handling the barrel. The top of handling the barrel is through bracing piece fixedly connected with mounting panel, and the mounting panel is in the central point who handles the barrel and carry the barrel and puts, and fixed mounting has the motor on the mounting panel, and the coaxial fixedly connected with axis of rotation of output shaft of motor, axis of rotation stretch into the inside of carrying the barrel and be in its axle center position. The fixed spiral leaf that is provided with of lateral wall of axis of rotation, the bottom of axis of rotation is rotated and is connected the bottom central point who handles the barrel and put, the bottom fixed connection of axis of rotation is in the inner of bottom mud scraper, the outer end fixed connection of bottom mud scraper is in the bottom of spiral mud scraper, the lateral wall of spiral mud scraper and the inside wall contact of handling the barrel, under the effect of motor, the axis of rotation is in the inside rotation of carrying the barrel, the axis of rotation drives the rotation of bottom mud scraper, thereby make the spiral mud scraper rotate in the inside of handling the barrel, the rotation of spiral mud scraper will handle the inside absorbent silt of barrel and dispose, in addition, the conveying downwards gets into the interior bottom of handling the barrel. The inner bottom of the treatment barrel is of an inverted conical structure, sludge enters the center of the inner bottom of the treatment barrel under the action of gravity and enters the bottom of the conveying barrel, and the sludge is conveyed upwards by the rotating spiral blades and enters the top of the conveying barrel. The top side wall of the conveying cylinder is communicated with the inner end of the mud guide groove, the mud guide groove is obliquely arranged, and mud enters the inside of the mud guide groove from the top of the conveying cylinder and is discharged from the mud guide groove.
As a further scheme of the invention: the bottom mud scraper is a rotary arc structure with a sunken moving direction, and the bottom of the bottom mud scraper is in contact with the inner bottom of the treatment barrel, so that sludge on the inner bottom of the treatment barrel is conveyed to the center along with the rotation of the bottom mud scraper.
As a further scheme of the invention: the top of carrying the barrel is provided with flourishing mud groove, and the inside that enters into flourishing mud groove from carrying barrel top exhaust silt, flourishing mud groove with lead the mud groove intercommunication, the discharge of the silt of being convenient for.
As a further scheme of the invention: mud board is dialled to the inside fixedly connected with in the axis of rotation in flourishing mud groove, dials the mud board and rotates along with the axis of rotation to stir the inside that enters into the mud guide groove with the inside silt in flourishing mud groove, avoided silt to pile up in flourishing mud inslot portion.
As a further scheme of the invention: the mud stirring plate is of an arc structure with a convex rotating direction, so that the mud can be stirred outwards along with the rotation of the mud stirring plate and enter the mud guide groove.
As a further scheme of the invention: lead the bottom in mud groove and set up at the top of handling the barrel, the bottom fixedly connected with in mud groove inlays the nested pole, the slip chamber has been seted up to the top lateral wall of handling the barrel, nested pole slides and nests in the inside in slip chamber, the inside in slip chamber is nested on nested pole has the spring, the spring makes nested pole downstream, the top of spiral mud scraper can with lead mud groove top contact, rotate when the spiral mud scraper, the top of spiral mud scraper with lead mud groove bottom contact, thereby make and lead mud groove jack-up, the spiral mud scraper breaks away from with leading the mud groove, move down under the spring action, thereby produce the vibration, be convenient for lead the inside silt downslide in mud groove, thereby avoided piling up.
As a further scheme of the invention: the cross-sections of the nesting rod and the sliding cavity are of convex structures, so that the limiting effect is achieved, and the connection stability is improved.
As a further scheme of the invention: the top of spiral mud scraper rotates in the bottom of leading the mud groove and is provided with the movable pulley, and the setting of movable pulley has reduced the frictional force between leading mud groove and the spiral mud scraper, makes the rotation of spiral mud scraper more smooth and easy.
As a further scheme of the invention: vertical sliding tray has been seted up to the inside of handling the barrel, and sliding block has been placed with inside slip to the sliding tray, two scraper blades about the last fixedly connected with of sliding block, and two spiral leaves are in the upper and lower both sides of spiral scraper blade respectively, when needs clear up the spiral scraper blade, slide the sliding block downwards and make the spiral scraper blade pass between the scraper blade, the starter motor, the spiral scraper blade rotates, and the sliding block slides in the sliding tray inside, and the attachment on the scraper blade will spiral scraper blade is cleared up. The sliding block moves to clean up sundries in the sliding groove. Handle the fixed magnet that is provided with in top of barrel, the top of sliding block is provided with the iron sheet, when need not clear up the spiral mud scraper, makes the spiral mud scraper rotate out the scraper blade, and the sliding block adsorbs on magnet to make the sliding block fixed and make spiral leaf and spiral mud scraper break away from.
As a further scheme of the invention: the inside of sliding tray is fixed and is provided with vertical guide bar, and the guide bar slides and passes the sliding block, and the setting up of sliding tray makes the slip of sliding block more stable.
Compared with the prior art, the invention has the beneficial effects that: silt is handling the inside deposit of barrel, when silt needs to be cleared up, and the starter motor, under the effect of motor, the axis of rotation is rotating in the inside of carrying the barrel, and the axis of rotation drives the rotation of bottom mud scraper to make the spiral mud scraper rotate in the inside of handling the barrel, the rotation of spiral mud scraper will handle the inside absorbent silt of barrel and clear away, conveys the interior bottom that gets into handling the barrel downwards in addition. The silt receives the action of gravity to get into the interior bottom central point of processing barrel to get into the bottom of carrying the barrel, the pivoted spiral leaf upwards conveys silt, enters into the top of carrying the barrel. The mud stirring plate rotates along with the rotating shaft, so that mud in the mud containing groove is stirred to enter the mud guide groove and is discharged from the mud guide groove. Therefore, the automatic cleaning of the sludge is completed, and the conveying and the vibration are completed by using one motor, so that the device is simplified. The invention has the advantages that: simple structure, low in production cost, the clearance is convenient, has avoided piling up, the facilitate promotion is implemented.
Drawings
FIG. 1 is a schematic structural diagram of a sludge scraping device of a treatment tank for sewage treatment of environmental protection equipment.
Fig. 2 is a schematic diagram of the internal structure of a treatment tank mud scraping device for sewage treatment of environmental protection equipment.
Fig. 3 is a schematic structural diagram of a mud guide groove in the treatment pool mud scraping device for sewage treatment of the environmental protection equipment.
FIG. 4 is a schematic structural diagram of a cleaning assembly in a sludge scraping device of a treatment pool for sewage treatment of environmental protection equipment.
In the figure, a processing cylinder 1, a spiral mud scraper 2, a connecting rod 3, a supporting rod 4, a mud scraper 5, a mounting plate 6, a motor 7, a rotating shaft 8, a mud containing groove 9, a spiral blade 10, a mud guide groove 11, a conveying cylinder 12, a bottom mud scraper 13, an embedded rod 14, a spring 15, a sliding cavity 16, a sliding wheel 17, a sliding groove 18, a sliding block 19, a scraper 20, a guide rod 21 and a magnet 22.
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, the present invention will now be described with reference to the accompanying drawings.
Example 1
Referring to fig. 1-3, a sludge scraping device for a treatment tank for sewage treatment of environmental protection equipment comprises a treatment cylinder 1 and a conveying cylinder 12, wherein the inside of the treatment cylinder 1 is concentrically and fixedly connected with the conveying cylinder 12 through a connecting rod 3, and a gap exists between the conveying cylinder 12 and the bottom of the treatment cylinder 1. The top of handling the barrel 1 is through bracing piece 4 fixedly connected with mounting panel 6, and mounting panel 6 is in the central point who handles barrel 1 and transport barrel 12 and puts, and fixed mounting has motor 7 on the mounting panel 6, and the coaxial fixedly connected with axis of rotation 8 of output shaft of motor 7, axis of rotation 8 stretch into the inside of carrying barrel 12 and be in its axle center position. The fixed spiral leaf 10 that is provided with of lateral wall of axis of rotation 8, the bottom of axis of rotation 8 is rotated and is connected the bottom central point who handles barrel 1 and put, the bottom fixed connection of axis of rotation 8 is in the inner of bottom mud scraper 13, the outer end fixed connection of bottom mud scraper 13 is in the bottom of spiral mud scraper 2, the lateral wall of spiral mud scraper 2 and the inside wall contact of handling barrel 1, under the effect of motor 7, axis of rotation 8 is in the inside rotation of carrying barrel 12, axis of rotation 8 drives bottom mud scraper 13 and rotates, thereby make spiral mud scraper 2 rotate in the inside of handling barrel 1, spiral mud scraper 2 rotates and will handle 1 inside absorbent silt of barrel and dispose, in addition, the interior bottom of handling barrel 1 is got into to the downward conveying in addition. The inner bottom of the treatment cylinder body 1 is of an inverted conical structure, sludge enters the center of the inner bottom of the treatment cylinder body 1 under the action of gravity and enters the bottom of the conveying cylinder body 12, and the rotating spiral blades 10 convey the sludge upwards and enter the top of the conveying cylinder body 12. The bottom mud scraper 13 is an arc structure with a sunken rotating direction, and the bottom of the bottom mud scraper is in contact with the inner bottom of the treatment barrel 1, so that sludge at the inner bottom of the treatment barrel 1 is conveyed to the center along with the rotation of the bottom mud scraper 13.
The top side wall of the conveying cylinder body 12 is communicated with the inner end of the mud guide groove 11, the mud guide groove 11 is obliquely arranged, and mud enters the inside of the mud guide groove 11 from the top of the conveying cylinder body 12 and is discharged from the mud guide groove 11. The top of the conveying cylinder body 12 is provided with a mud containing groove 9, mud discharged from the top of the conveying cylinder body 12 enters the inside of the mud containing groove 9, and the mud containing groove 9 is communicated with the mud guide groove 11, so that the mud can be discharged conveniently. Mud board 5 is dialled to the inside fixedly connected with in flourishing mud groove 9 on axis of rotation 8, dials mud board 5 and rotates along with axis of rotation 8 to stir the inside that enters into mud guide groove 11 with the inside silt in flourishing mud groove 9, avoided silt to pile up in flourishing mud groove 9 is inside. The mud deflector 5 is of an arc structure with a convex rotating direction, so that the mud can be conveniently stirred outwards along with the rotation of the mud deflector 5 and enters the mud guide groove 11.
Lead the bottom of mud groove 11 to set up at the top of handling barrel 1, the bottom fixedly connected with of mud groove 11 inlays loop bar 14, slip chamber 16 has been seted up to the top lateral wall of handling barrel 1, inlay loop bar 14 and slide the inside of nesting in slip chamber 16, the inside of slip chamber 16 is nested spring 15 on nested loop bar 14, spring 15 makes and inlays loop bar 14 downstream, the top of spiral mud scraper 2 can contact with lead mud groove 11 top, when spiral mud scraper 2 rotates, the top of spiral mud scraper 2 and the contact of leading mud groove 11 bottom, thereby make and lead mud groove 11 jack-up, spiral mud scraper 2 breaks away from with lead mud groove 11, move down under the effect of spring 15, thereby produce the vibration, be convenient for lead the inside silt gliding of mud groove 11, thereby avoided piling up. The sections of the nesting rod 14 and the sliding cavity 16 are both in a convex structure, so that the limiting effect is achieved, and the connection stability is improved. The top of spiral mud scraper 2 is rotated in the bottom of leading mud groove 11 and is provided with movable pulley 17, and the setting of movable pulley 17 has reduced the frictional force between leading mud groove 11 and spiral mud scraper 2, makes spiral mud scraper 2 rotate more smoothly.
The working principle of the invention is as follows: silt is handling the inside deposit of barrel 1, when silt needs to be cleared up, starter motor 7, under the effect of motor 7, axis of rotation 8 is rotating in the inside of carrying barrel 12, and axis of rotation 8 drives bottom mud scraper 13 and rotates to make spiral mud scraper 2 rotate in the inside of handling barrel 1, spiral mud scraper 2 rotates and will handle the inside absorbent silt of barrel 1 and clear away, conveys downwards in addition and gets into the interior bottom of handling barrel 1. The sludge enters the center of the inner bottom of the treatment cylinder 1 under the action of gravity and enters the bottom of the conveying cylinder 12, and the rotating spiral blades 10 convey the sludge upwards and enter the top of the conveying cylinder 12. The mud-removing plate 5 rotates along with the rotating shaft 8, so that the mud in the mud-containing groove 9 is removed into the mud guide groove 11 and is discharged from the mud guide groove 11.
Example 2
Referring to fig. 4, on the basis of embodiment 1, a vertical sliding groove 18 is formed in the processing cylinder 1, a sliding block 19 is slidably disposed in the sliding groove 18 and the inside, an upper scraper blade 20 and a lower scraper blade 20 are fixedly connected to the upper side of the sliding block 19, the two spiral blades 10 are respectively disposed on the upper side and the lower side of the spiral scraper blade 2, when the spiral scraper blade 2 needs to be cleaned, the sliding block 19 slides downward and the spiral scraper blade 2 passes through between the scraper blades 20, the motor 7 is started, the spiral scraper blade 2 rotates, the sliding block 19 slides in the sliding groove 18, and the scraper blade 20 cleans off attachments on the spiral scraper blade 2. The sliding block 19 moves to clean the sundries in the sliding groove 18. The inside of sliding tray 18 is fixed and is provided with vertical guide bar 21, and guide bar 21 slides and passes sliding block 19, and the setting of sliding tray 18 makes sliding block 19's slip more stable. The top of the processing cylinder 1 is fixedly provided with a magnet 22, the top of the sliding block 19 is provided with an iron sheet, when the spiral mud scraper 2 is not required to be cleaned, the spiral mud scraper 2 is rotated out of the scraper 20, the sliding block 19 is adsorbed on the magnet 22, and therefore the sliding block 19 is fixed, and the spiral blade 10 is separated from the spiral mud scraper 2.
The above examples are merely representative of preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these are all within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. The utility model provides a mud scraping device of a treatment pool for sewage treatment of environmental protection equipment, including handling barrel (1) and transport barrel (12), the inside of handling barrel (1) is through connecting rod (3) concentric fixedly connected with transport barrel (12), the top of handling barrel (1) is through bracing piece (4) fixedly connected with mounting panel (6), fixed mounting has motor (7) on mounting panel (6), characterized in that, the coaxial fixedly connected with axis of rotation (8) of output shaft of motor (7), the lateral wall of axis of rotation (8) is fixed with spiral leaf (10), the bottom fixed connection of axis of rotation (8) is in the inner of bottom mud scraping plate (13);
the outer end of the bottom mud scraper (13) is fixedly connected to the bottom of the spiral mud scraper (2), the side wall of the spiral mud scraper (2) is in contact with the inner side wall of the treatment barrel body (1), the inner bottom of the treatment barrel body (1) is of an inverted conical structure, the top side wall of the conveying barrel body (12) is communicated with the inner end of the mud guide groove (11), the mud guide groove (11) is obliquely arranged, the bottom of the mud guide groove (11) is erected at the top of the treatment barrel body (1), the bottom of the mud guide groove (11) is fixedly connected with an embedded rod (14), the top side wall of the treatment barrel body (1) is provided with a sliding cavity (16), the embedded rod (14) is slidably embedded in the sliding cavity (16), a spring (15) is embedded in the embedded rod (14), the spring (15) enables the embedded rod (14) to move downwards, and the top of the spiral mud scraper (2) is in contact with the top of the mud guide groove (11), a sliding wheel (17) is rotatably arranged at the bottom of the mud guide groove (11) above the spiral mud scraper (2).
2. The sludge scraping device of the treatment pool for sewage treatment of environmental protection equipment according to claim 1, wherein the bottom sludge scraping plate (13) is of an arc structure with a concave rotation direction, and the bottom is contacted with the inner bottom of the treatment cylinder body (1).
3. The sludge scraping device for the treatment pool of the sewage from the environmental protection equipment as claimed in claim 1, wherein the top of the conveying cylinder body (12) is provided with a sludge containing groove (9), and the sludge containing groove (9) is communicated with the sludge guide groove (11).
4. The sludge scraping device of the treatment pool for sewage treatment of environmental protection equipment as claimed in claim 3, wherein the inside of the sludge containing groove (9) is fixedly connected with a sludge poking plate (5) on the rotating shaft (8).
5. The sludge scraping device of the treatment pool for sewage treatment of environmental protection equipment as claimed in claim 4, wherein the sludge poking plate (5) is of an arc structure with a convex rotation direction.
6. The sludge scraping device for the treatment pool of the sewage from the environmental protection equipment as claimed in claim 1, wherein the section of the nested rod (14) and the section of the sliding cavity (16) are both of a convex structure.
7. The sludge scraping device of the treatment pool for the sewage treatment of the environmental protection equipment as claimed in claim 1, wherein a vertical sliding groove (18) is formed in the treatment cylinder (1), sliding blocks (19) are slidably arranged in the sliding groove (18) and the inner part, an upper scraper blade (20) and a lower scraper blade (20) are fixedly connected to the upper part of each sliding block (19), the two spiral blades (10) are respectively positioned at the upper side and the lower side of the spiral sludge scraping plate (2), a magnet (22) is fixedly arranged at the top of the treatment cylinder (1), and an iron sheet is arranged at the top of each sliding block (19).
8. The sludge scraping device for the sewage treatment pool of the environmental protection equipment as recited in claim 7, wherein the sliding groove (18) is internally and fixedly provided with a vertical guide rod (21), and the guide rod (21) slides through the sliding block (19).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010281916.4A CN111375231B (en) | 2020-04-11 | 2020-04-11 | Sludge scraping device of treatment tank for sewage treatment of environmental protection equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010281916.4A CN111375231B (en) | 2020-04-11 | 2020-04-11 | Sludge scraping device of treatment tank for sewage treatment of environmental protection equipment |
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| CN111375231A CN111375231A (en) | 2020-07-07 |
| CN111375231B true CN111375231B (en) | 2022-05-17 |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112870777B (en) * | 2021-02-07 | 2022-08-19 | 广西建工科净源生态环保产业投资有限公司 | A skimming collection device for sewage treatment |
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| CN209038479U (en) * | 2018-10-25 | 2019-06-28 | 杭州华新机电工程有限公司 | A kind of dispenser drive mechanism of spiral coal unloader |
| CN210078929U (en) * | 2019-05-16 | 2020-02-18 | 宜兴益绿天成环保设备有限公司 | High-efficient sedimentation tank central transmission mud scraper device |
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