CN112516640A - Sludge discharge device for sewage treatment and use method thereof - Google Patents
Sludge discharge device for sewage treatment and use method thereof Download PDFInfo
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- CN112516640A CN112516640A CN202011331966.5A CN202011331966A CN112516640A CN 112516640 A CN112516640 A CN 112516640A CN 202011331966 A CN202011331966 A CN 202011331966A CN 112516640 A CN112516640 A CN 112516640A
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- 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
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- 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
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- 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
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatment Of Sludge (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to the technical field of sewage treatment, in particular to a sludge discharge device for sewage treatment and a using method thereof, the sludge discharge device comprises a filter box, a fixing bolt and a motor support, wherein a water inlet nozzle is arranged at the top end of the filter box, a dumping groove is arranged on the water inlet nozzle, a filter cavity is arranged in the filter box, a filter plate which is arranged from left to right in an inclined and downward manner is erected in the middle of the filter box, a plurality of groups of filter holes are uniformly arranged on the filter plate, the lower end of the filter cavity is transversely and fixedly connected with a bottom plate, an electric telescopic rod is fixedly arranged at the top end of the bottom plate, a C-shaped support is fixedly connected at the upper output end of the electric telescopic rod, a push plate is fixedly connected at the top end of the C-shaped support, a plurality of groups of dredging columns are uniformly arranged at the top end of the push plate, the invention provides a sludge discharge device for sewage treatment and a use method thereof, wherein the sludge discharge device is thorough in sludge discharge and convenient for conveying sludge.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a sludge discharge device for sewage treatment and a using method thereof.
Background
The sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and is also increasingly applied to daily life of common people, and is classified according to sewage sources, the sewage treatment is generally divided into production sewage treatment and domestic sewage treatment, the production sewage comprises industrial sewage, agricultural sewage, medical sewage and the like, and the domestic sewage is sewage generated in daily life and refers to a complex mixture of inorganic matters and organic matters in various forms.
The sludge discharge function of the sewage treatment equipment in the prior art is not very good, sludge can not be discharged completely, and meanwhile, a sludge conveying mechanism is not arranged in the prior art.
Aiming at the problems, the invention designs a sludge discharge device for sewage treatment and a use method thereof.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a sludge discharge device for sewage treatment and a use method thereof, which solve the problems as much as possible, thereby providing a sludge discharge device for sewage treatment and a use method thereof, wherein sludge is discharged thoroughly and is convenient to convey.
The invention is realized by the following technical scheme:
a sludge discharge device for sewage treatment comprises a filter box, a fixing bolt and a motor support, wherein a water inlet nozzle is arranged at the top end of the filter box, a dumping groove is formed in the water inlet nozzle, a filter cavity is arranged in the filter box, a filter plate which is inclined downwards from left to right is erected in the middle of the filter box, a plurality of groups of filter holes are uniformly formed in the filter plate, the lower end of the filter cavity is transversely and fixedly connected with a bottom plate, an electric telescopic rod is fixedly arranged at the top end of the bottom plate, a C-shaped support is fixedly connected with the upper output end of the electric telescopic rod, a push plate is fixedly connected with the top end of the C-shaped support, a plurality of groups of dredging columns are uniformly arranged at the top end of the push plate and matched with the filter holes, a group of sliding holes are formed in the upper end face of the filter plate on the left side of the filter box, a scraper is, the fixed end of the left side of the hydraulic rod is fixedly connected with a door-shaped bracket which is fixedly arranged on the outer wall of the left side of the filter box, a water outlet pipe is arranged at the bottom end of the filter box, a connecting nozzle is fixedly arranged at the end part of the water outlet pipe, a sludge outlet hole is arranged in the middle of the right side of the filter box, the outer side end of the mud outlet hole is fixedly provided with a mud outlet nozzle, the front side and the rear side of the right end of the filter box are respectively and fixedly provided with two groups of trapezoidal bracket plates through four groups of fixing bolts, the upper end of the left side and the lower end of the right side of the trapezoidal support plate are respectively and rotatably connected with two groups of roller shafts, the middle parts of the roller shafts are fixedly connected with roller columns, two ends of a conveying belt are respectively sleeved on the two groups of roller columns, the front end of the roller shaft at the upper end of the left side is fixedly connected with the output end of a driving motor, the drive motor is fixedly installed at the upper end of the trapezoidal support plate at the front end through a motor support, and the middle part of the front end of the filter box is fixedly provided with a touch screen controller.
Preferably, four groups of supporting legs are symmetrically arranged at four corners of the bottom end of the filter box.
Preferably, the lower end of the pouring tank is communicated with the filter cavity.
Preferably, electric telescopic handle, hydraulic stem, driving motor and touch screen controller be electric connection respectively has the power, touch screen controller output is electric connection electric telescopic handle, hydraulic stem and driving motor input respectively.
Preferably, the push plate is in a trapezoidal prism shape, the top end face of the push plate is parallel to the bottom end face of the filter plate, and the length of the dredging column is larger than or equal to the depth of the filter hole.
Preferably, the front side and the rear side of the scraper are respectively connected with the front inner wall and the rear inner wall of the filter cavity in a sliding manner.
Preferably, the bottom end face of the mud outlet hole is flush with the top end face of the filter plate.
Preferably, two groups of limiting check rings are symmetrically arranged on the front side and the rear side of the roller column.
The application method of the sludge discharge device for sewage treatment comprises the following steps:
the first step is as follows: the power supply of the whole device is switched on, the sludge collecting device is placed at the lower end of the right side of the conveying belt, the sewage output pipeline is erected and extends into the dumping groove, and meanwhile, the sewage collecting device is connected to the connecting nozzle.
The second step is that: mud output pipeline exports sewage, and sewage falls into the filter chamber through the dump tank respectively from top to bottom, and the filter plate of erectting through the centre carries out filtration treatment to the mud in the sewage, and the sewage after the filtration gets into the filter chamber bottom and gets into in the sewage collection device through outlet pipe and connector, and mud can be along the filter plate along a small part sewage through on mud outlet mouth gets into the conveyer belt to fall into in the sludge collection device along with the conveyer belt.
The third step: the touch screen controller inputs intermittent working instructions to the electric telescopic rod and the hydraulic rod, the electric telescopic rod upwards rises after a period of time, a plurality of groups of filter holes which are uniformly arranged on the filter plate are dredged by the push plate and the dredging columns, the dredging is completed and then is reset, then the hydraulic rod pushes the scraper to push sludge on the upper end surface of the filter plate to pass through the sludge outlet hole and push the sludge to the sludge outlet nozzle, and the sludge falls onto a conveying belt in a circulating motion through the sludge outlet nozzle, and finally the sludge enters the sludge collecting device.
The invention has the beneficial effects that: the sewage is dumped from the dumping groove and falls onto the filter plate erected in the filter cavity, the sludge in the sewage is filtered through the filter holes on the filter plate, the filtered sewage enters the lower end of the filter cavity and is discharged through the water outlet pipe and the connecting nozzle, meanwhile, sludge can be adhered to the filter plate and the filter holes, the touch screen controller controls the electric telescopic rod and the hydraulic rod to work respectively, the electric telescopic rod extends upwards to drive the C-shaped support and the push plate to dredge the sludge in the filter holes through a plurality of groups of dredging columns uniformly arranged at the top end of the push plate, simultaneously the hydraulic stem promotes the mud of scraper blade to filter plate top adhesion and strikes off, and mud gets into out the mud mouth through a mud hole and falls into on the conveyer belt, and the conveyer belt is reciprocating transport under driving motor's drive this moment, makes mud fall into sludge collection device, and whole device is effectual to the clearance of mud, and is convenient for carry away mud.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a transverse longitudinal section of the present invention;
FIG. 3 is a cross-sectional view of the present invention at the C-shaped stent;
FIG. 4 is a bottom perspective view of the present invention;
fig. 5 is a cross-sectional view of the present invention at the roller shaft.
In the figure: 1-filter box, 101-filter cavity, 102-mud outlet hole, 2-support leg, 3-water inlet nozzle, 301-pouring groove, 4-filter plate, 401-filter hole, 5-bottom plate, 6-electric telescopic rod, 7-C type support, 8-push plate, 9-dredging column, 10-scraper blade, 11-hydraulic rod, 12-door type support, 13-water outlet pipe, 14-connecting nozzle, 15-mud outlet nozzle, 16-fixing bolt, 17-trapezoidal support plate, 18-roller shaft, 19-roller column, 20-conveying belt, 21-limit retainer ring, 22-driving motor, 23-motor support and 24-touch screen controller.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present 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. 1-5, a sludge discharging device for sewage treatment comprises a filter box 1, a fixing bolt 16 and a motor support 23, wherein a water inlet nozzle 3 is arranged at the top end of the filter box 1, a dumping groove 301 is arranged on the water inlet nozzle 3, a filter chamber 101 is arranged in the filter box 1, a filter plate 4 which is arranged from left to right in an inclined and downward manner is erected in the middle of the filter box 1, a plurality of groups of filter holes 401 are uniformly arranged on the filter plate 4, a bottom plate 5 is transversely and fixedly connected to the lower end of the filter chamber 101, an electric telescopic rod 6 is fixedly arranged at the top end of the bottom plate 5, a C-shaped support 7 is fixedly connected to the output end of the upper part of the electric telescopic rod 6, a push plate 8 is fixedly connected to the top end of the C-shaped support 7, a plurality of groups of dredging columns 9 are uniformly arranged at the top end of the push plate 8, the dredging columns 9 are matched with the, a hydraulic rod 11 is fixedly connected to the middle of the left side of the scraper 10, a door-shaped support 12 is fixedly connected to the fixed end of the left side of the hydraulic rod 11, the door-shaped support 12 is fixedly installed on the outer wall of the left side of the filter box 1, a water outlet pipe 13 is arranged at the bottom end of the filter box 1, a connecting nozzle 14 is fixedly installed at the end part of the water outlet pipe 13, a sludge outlet hole 102 is arranged in the middle of the right side of the filter box 1, a sludge outlet nozzle 15 is fixedly installed at the outer side end of the sludge outlet hole 102, two groups of trapezoidal support plates 17 are respectively and fixedly installed at the front and rear sides of the right end of the filter box 1 through four groups of fixing bolts 16, two groups of roller shafts 18 are respectively and rotatably connected to the upper end of the left side and the lower end of the trapezoidal support plates 17, roller columns 19 are fixedly connected to the middle parts of the, a touch screen controller 24 is fixedly arranged in the middle of the front end of the filter box 1.
Specifically, referring to fig. 1, four groups of support legs 2 are symmetrically arranged at four corners of the bottom end of the filter box 1, and the arrangement stability of the device can be well ensured by the four groups of support legs 2.
The lower end of the pouring tank 301 is communicated with the filter cavity 101.
Electric telescopic handle 6, hydraulic stem 11, driving motor 22 and touch screen controller 24 be electric connection respectively has the power, and touch screen controller 24 output is electric connection electric telescopic handle 6, hydraulic stem 11 and driving motor 22 input respectively, and the operation of the whole device of control that touch screen controller 24 can be fine through setting up improves the work efficiency of device.
Referring to fig. 2, the push plate 8 is in a trapezoidal prism shape, the top end surface of the push plate 8 is parallel to the bottom end surface of the filter plate 4, the length of the dredging column 9 is greater than or equal to the depth of the filter hole 401, and the filter hole 401 on the filter plate 4 can be dredged well by matching the dredging column 9 with the filter hole 401.
The front side and the rear side of the scraper 10 are respectively connected with the front inner wall and the rear inner wall of the filter cavity 101 in a sliding manner, and sludge adhered to the filter plate 4 can be well scraped by the scraper 10.
The bottom end surface of the mud outlet hole 102 is flush with the top end surface of the filter plate 4.
Referring to fig. 1, two sets of limiting stop rings 21 are symmetrically disposed on the front and rear sides of the roller 19, and the falling off of the conveyor belt 20 can be avoided by the limiting stop rings 21.
Referring to fig. 1 to 5, a method for using a sludge discharging device for sewage treatment includes:
the first step is as follows: the power supply of the whole device is switched on, a sludge collecting device is arranged at the lower end of the right side of the conveying belt 20, a sewage output pipeline is erected and extends into the dumping groove 301, and meanwhile, the sewage collecting device is connected to the connecting nozzle 14.
The second step is that: mud output pipeline exports sewage, sewage from top to bottom falls into filter chamber 101 through dump tank 301 respectively, and filter plate 4 through middle the setting up carries out filtration treatment to the mud in the sewage, and the sewage after the filtration gets into filter chamber 101 bottom and gets into in the sewage collection device through outlet pipe 13 and connector nozzle 14, and mud can be along filter plate 4 along a small part sewage through on mud outlet nozzle 15 gets into conveyer belt 20, and along with conveyer belt 20 falls into in the sludge collection device.
The third step: the touch screen controller 24 inputs intermittent working instructions to the electric telescopic rod 6 and the hydraulic rod 11, the electric telescopic rod 6 rises upwards after a period of time, the push plate 8 and the plurality of groups of dredging columns 9 are driven to dredge a plurality of groups of filter holes 401 uniformly arranged on the filter plate 4, the dredging is completed and then the electric telescopic rod resets, then the hydraulic rod 11 pushes the scraper 10 to push the sludge on the upper end surface of the filter plate 4 to the sludge outlet nozzle 15 through the sludge outlet hole 102, and the sludge falls into the circulating movement conveying belt 20 through the sludge outlet nozzle 15, and finally the sludge enters the sludge collecting device.
In the invention, when the device is used, the whole device is moved to a position to be used, then the sludge collection device is placed at the lower end of the right side of the conveying belt 20, the sewage output pipeline is erected and extends into the dumping groove 301, meanwhile, the sewage collection device is connected to the connecting nozzle 14, then the power supply of the whole device is switched on, and sewage is conveyed into the dumping groove 301, the sewage respectively falls into the filter cavity 101 through the dumping groove 301 from top to bottom, the sludge in the sewage is filtered through the filter plate 4 erected in the middle, the filtered sewage enters the bottom end of the filter cavity 101 and enters the sewage collection device through the water outlet pipe 13 and the connecting nozzle 14, the sludge enters the conveying belt 20 along with a small part of the sewage through the sludge outlet nozzle 15 along the filter plate 4 and falls into the sludge collection device along with the conveying belt 20, after the device runs for a period of time, can some mud of adhesion in filter plate 4 and the filtration pore 401, touch screen controller 24 this moment gives electric telescopic handle 6 and hydraulic stem 11 input intermittent type nature work order, electric telescopic handle 6 upwards rises after a period, drive push pedal 8 and a plurality of groups mediation post 9 and dredge a plurality of groups filtration pore 401 that evenly are equipped with on filter plate 4, the mediation is accomplished and is reset immediately after, then hydraulic stem 11 promotes scraper blade 10 with the mud on the filter plate 4 up end through mud outlet 102 propelling movement to mud outlet 15 in, and fall into on cyclic motion's the conveyer belt 20 through mud outlet 15, and finally get into in the mud collection device, whole device is effectual to the clearance of mud, and be convenient for carry away mud.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. The utility model provides a sewage treatment is with arranging mud device which characterized in that: comprises a filter box (1), a fixing bolt (16) and a motor support (23), wherein the top end of the filter box (1) is provided with a water inlet nozzle (3), the water inlet nozzle (3) is provided with a dumping groove (301), the inside of the filter box (1) is provided with a filter chamber (101), the middle part of the filter box (1) is provided with a filter plate (4) which is inclined downwards from left to right, the filter plate (4) is uniformly provided with a plurality of groups of filter holes (401), the lower end of the filter chamber (101) is transversely and fixedly connected with a bottom plate (5), the top end of the bottom plate (5) is fixedly provided with an electric telescopic rod (6), the upper output end of the electric telescopic rod (6) is fixedly connected with a C-shaped support (7), the top end of the C-shaped support (7) is fixedly connected with a push plate (8), the top end of the push plate (8) is uniformly provided with a plurality of groups, the filter box is characterized in that a group of slide holes are formed in the left side of the filter box (1) and located on the upper end face of the filter plate (4), a scraper (10) is connected in the slide holes in a sliding mode, the bottom end face of the scraper (10) is flush with the top end face of the filter plate (4), a hydraulic rod (11) is fixedly connected to the middle of the left side of the scraper (10), a door-shaped support (12) is fixedly connected to the left side fixed end of the hydraulic rod (11), the door-shaped support (12) is fixedly installed on the outer wall of the left side of the filter box (1), a water outlet pipe (13) is arranged at the bottom end of the filter box (1), a connecting nozzle (14) is fixedly installed at the end of the water outlet pipe (13), a mud outlet hole (102) is formed in the middle of the right side of the filter box (1), a mud outlet nozzle (15) is fixedly installed at, trapezoidal mounting panel (17) left side upper end rotates respectively with the right side lower extreme and is connected with two sets of roller (18), roller (18) middle part fixedly connected with roller (19), overlap respectively on two sets of roller (19) and be equipped with the both ends of conveyer belt (20), roller (18) front end fixedly connected with driving motor (22) output of left side upper end, driving motor (22) are through motor support (23) fixed mounting trapezoidal mounting panel (17) upper end at the front end, filter box (1) front end middle part fixed mounting has touch screen controller (24).
2. The sludge discharging device for sewage treatment as claimed in claim 1, wherein: four groups of supporting legs (2) are symmetrically arranged at four corners of the bottom end of the filter box (1).
3. The sludge discharging device for sewage treatment as claimed in claim 1, wherein: the lower end of the pouring tank (301) is communicated with the filter cavity (101).
4. The sludge discharging device for sewage treatment as claimed in claim 1, wherein: electric telescopic handle (6), hydraulic stem (11), driving motor (22) and touch screen controller (24) electric connection respectively has the power, touch screen controller (24) output electric connection electric telescopic handle (6), hydraulic stem (11) and driving motor (22) input respectively.
5. The sludge discharging device for sewage treatment as claimed in claim 1, wherein: the filter plate is characterized in that the push plate (8) is in a trapezoidal prism shape, the top end face of the push plate (8) is parallel to the bottom end face of the filter plate (4), and the length of the dredging column (9) is larger than or equal to the depth of the filter hole (401).
6. The sludge discharging device for sewage treatment as claimed in claim 1, wherein: the front side and the rear side of the scraper (10) are respectively connected with the front inner wall and the rear inner wall of the filter cavity (101) in a sliding manner.
7. The sludge discharging device for sewage treatment as claimed in claim 1, wherein: the bottom end surface of the mud outlet hole (102) is flush with the top end surface of the filter plate (4).
8. The sludge discharging device for sewage treatment as claimed in claim 1, wherein: two groups of limiting check rings (21) are symmetrically arranged on the front side and the rear side of the roller column (19).
9. A method for using a sludge discharging apparatus for sewage treatment as claimed in any one of claims 1 to 8, wherein:
the first step is as follows: the power supply of the whole device is switched on, a sludge collecting device is arranged at the lower end of the right side of the conveying belt (20), a sewage output pipeline is erected and extends into the dumping groove (301), and meanwhile, the sewage collecting device is connected to the connecting nozzle (14);
the second step is that: the sewage is output by a sludge output pipeline, the sewage respectively falls into a filter cavity (101) through a dumping groove (301) from top to bottom, the sludge in the sewage is filtered by a filter plate (4) erected in the middle, the filtered sewage enters the bottom end of the filter cavity (101) and enters a sewage collecting device through a water outlet pipe (13) and a connecting nozzle (14), and the sludge enters a conveying belt (20) along with a small part of sewage through a sludge outlet nozzle (15) along the filter plate (4) and falls into the sludge collecting device along with the conveying belt (20);
the third step: touch screen controller (24) give electric telescopic handle (6) and hydraulic stem (11) input intermittent type nature work order, electric telescopic handle (6) upwards rises after a period of time, drive a plurality of groups filtration pore (401) that push pedal (8) and a plurality of groups mediation post (9) evenly were equipped with on to filter plate (4) and dredge, restore to the throne immediately after the mediation is accomplished, then hydraulic stem (11) promote mud on scraper blade (10) with filter plate (4) up end through mud outlet hole (102) propelling movement to mud outlet nozzle (15), and fall into endless motion's conveyer belt (20) through mud outlet nozzle (15) on, and finally get into in the mud collection device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011331966.5A CN112516640B (en) | 2020-11-24 | 2020-11-24 | Sludge discharge device for sewage treatment and use method thereof |
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| CN202011331966.5A CN112516640B (en) | 2020-11-24 | 2020-11-24 | Sludge discharge device for sewage treatment and use method thereof |
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| CN112516640A true CN112516640A (en) | 2021-03-19 |
| CN112516640B CN112516640B (en) | 2021-12-14 |
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| CN113230742A (en) * | 2021-04-27 | 2021-08-10 | 陆成 | Filtration equipment for oil development |
| CN113262537A (en) * | 2021-06-22 | 2021-08-17 | 厦门烟草工业有限责任公司 | Sewage treatment device |
| CN113482935A (en) * | 2021-06-04 | 2021-10-08 | 安徽三环水泵有限责任公司 | Mining double-suction multistage pump with automatic cleaning function |
| CN113559578A (en) * | 2021-06-03 | 2021-10-29 | 李明 | Automatic dredging type urban domestic sewage treatment system |
| CN113957942A (en) * | 2021-11-30 | 2022-01-21 | 四川腾越顺和项目管理有限公司 | Dredging device for hydraulic engineering |
| CN119951189A (en) * | 2025-04-08 | 2025-05-09 | 太原市润民环保节能有限公司 | A sludge recovery filtering device and filtering method |
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