CN113277698A - Sludge precipitation filter equipment - Google Patents
Sludge precipitation filter equipment Download PDFInfo
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- CN113277698A CN113277698A CN202110621803.9A CN202110621803A CN113277698A CN 113277698 A CN113277698 A CN 113277698A CN 202110621803 A CN202110621803 A CN 202110621803A CN 113277698 A CN113277698 A CN 113277698A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a sludge sedimentation and filtration device which comprises a workbench, a sludge box, a filtration assembly, a water absorption assembly, a movable baffle, a first linear movement driving piece and a fixed seat, wherein the filtration assembly comprises a pressing plate, a lifting frame, a first U-shaped filtration frame, a second U-shaped filtration frame, a first semi-permeable membrane, a second semi-permeable membrane, a third semi-permeable membrane, a second linear movement driving piece, a third linear movement driving piece and a fourth linear movement driving piece; the sludge box and the fixed seat are both arranged on the workbench; a sewage inlet pipe is arranged on the sludge tank; the first linear moving driving piece is installed on the fixed seat and connected with the moving baffle, and the moving baffle is located between the sludge box and the workbench. The invention realizes effective and thorough separation of sludge and water in the sludge, has good sludge treatment effect and high speed, and realizes resource recycling.
Description
Technical Field
The invention relates to the technical field of sludge treatment, in particular to a sludge precipitation and filtration device.
Background
River regulation is also called 'riverbed regulation', engineering measures for controlling and modifying the river frequently cause scouring and silting phenomena in natural rivers, water damage easily occurs, water conservancy development is hindered, and in order to meet the requirements of removing troubles and promoting the benefits, proper measures are required to regulate the river, including the projects of dredging, bank protection and the like, but the river dredging ship is adopted for river regulation at present, only the sludge is removed singly, and the sludge and water contained in the sludge are not effectively and thoroughly separated, so that resource recycling is realized.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the sludge precipitation and filtration device, which realizes effective and thorough separation of sludge and water in sludge, has good sludge treatment effect and high speed and realizes resource recycling.
In order to achieve the purpose, the invention provides a sludge precipitation filtering device which comprises a workbench, a sludge box, a filtering assembly, a water absorbing assembly, a movable baffle, a first linear movable driving piece and a fixed seat, wherein the filtering assembly comprises a pressing plate, a lifting frame, a first U-shaped filtering frame, a second U-shaped filtering frame, a first semi-permeable membrane, a second semi-permeable membrane, a third semi-permeable membrane, a second linear movable driving piece, a third linear movable driving piece and a fourth linear movable driving piece; the sludge box and the fixed seat are both arranged on the workbench; a sewage inlet pipe is arranged on the sludge tank; the first linear movable driving piece is arranged on the fixed seat and is connected with the movable baffle plate, the movable baffle plate is positioned between the sludge box and the workbench, and the first linear movable driving piece drives the movable baffle plate to move relative to the sludge box, so that the movable baffle plate covers a sludge outlet below the sludge box and opens a sludge outlet below the sludge box;
the second linear motion driving piece, the third linear motion driving piece and the fourth linear motion driving piece are all arranged above the sludge tank, the first U-shaped filter frame and the second U-shaped filter frame are positioned in the sludge tank, the second U-shaped filter frame is sleeved in the first U-shaped filter frame, the pressing plate and the lifting frame are positioned in the second U-shaped filter frame, the pressing plate is connected with the lifting frame, the lifting frame is connected with the second linear motion driving piece, the second U-shaped filter frame is connected with the third linear motion driving piece, the first U-shaped filter frame is connected with the fourth linear motion driving piece, a water storage space is enclosed among the pressing plate, two side edges of the second U-shaped filter frame and the sludge tank, a cavity connected with the water storage space is arranged on the lifting frame, and the cavity is connected with the water absorption component through a water absorption pipe, the water absorption assembly is arranged on the workbench; the pressing plate is provided with a plurality of first filtering holes, and the first semi-permeable membrane is attached to the lower surface of the pressing plate; a plurality of second filtering holes are formed in the U-shaped bottom of the second U-shaped filtering frame, and the second semipermeable membrane is attached to the outer surface of the second U-shaped filtering frame; be equipped with a plurality of third filtration pores on the U type bottom of first U type filter rack, the laminating of third pellicle the outer surface setting of first U type filter rack.
Further, the precipitation filter mechanism further comprises a first traction mechanism, the first traction mechanism comprises a first winding drum, a first motor, a second motor, a first rotating shaft, a first rotating roller, a first pull rope, a first guide roller and a first connecting strip, the first winding drum and the first rotating shaft are respectively rotatably installed above two side edges of the first U-shaped filter frame, the first motor and the second motor are installed on the first U-shaped filter frame, the first motor is connected with the first winding drum, the first rotating shaft is connected with the second motor, the first rotating roller is installed on the first rotating shaft in a plurality, the first guide roller is installed at two corners of the first U-shaped filter frame in a rotating manner, the third semipermeable membrane bypasses the two first guide rollers, and one end of the third semipermeable membrane is wound on the first winding drum, the other end of third pellicle is connected with first connecting strip, and is a plurality of all be connected with on the first rotation roller first stay cord, it is a plurality of first stay cord with first connecting strip is connected.
Further, the precipitation filter mechanism further comprises a second traction mechanism, the second traction mechanism comprises a second winding drum, a third motor, a fourth motor, a second rotating shaft, a second rotating roller, a second pull rope, a second guide roller and a second connecting strip, the second winding drum and the second rotating shaft are respectively rotatably installed above two side edges of the second U-shaped filter frame, the third motor and the fourth motor are installed on the second U-shaped filter frame, the third motor is connected with the second winding drum, the second rotating shaft is connected with the fourth motor, the second rotating rollers are installed on the second rotating shaft in a plurality, the second guide roller is installed at two corners of the second U-shaped filter frame in a rotating manner, the second semipermeable membrane bypasses the two second guide rollers, and one end of the second semipermeable membrane is wound on the second winding drum, the other end of the second semipermeable membrane is connected with the second connecting strip, and is a plurality of the second rotating roller is connected with the second pull rope, and is a plurality of the second pull rope is connected with the second connecting strip.
Further, the water absorption assembly comprises a water pump connected with the water absorption pipe and a water tank connected with the water pump.
The invention realizes the effective and thorough separation of sludge and water in the sludge, the obtained sludge and clear water are used for other purposes, the sludge treatment effect is good, the speed is high, and the resource recycling is realized.
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 perspective view of the present invention.
Fig. 2 is a perspective view of fig. 1 rotated by a certain angle.
Fig. 3 is a perspective view of fig. 1 with the table, the fixing base, and the first linear motion driving member removed.
Fig. 4 is a perspective view of fig. 3 cut away.
Fig. 5 is an enlarged view of a portion a in fig. 4.
Fig. 6 is a perspective view of fig. 4 rotated by a certain angle.
Detailed Description
The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
It is to be understood that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in the generic and descriptive sense only and not for purposes of limitation, as the term is used in the generic and descriptive sense, and not for purposes of limitation, unless otherwise specified or implied, and the specific reference to a device or element is intended to be a reference to a particular element, structure, or component. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 6, the sludge settling and filtering apparatus provided by the present embodiment includes a worktable 1, a sludge tank 301, a filtering assembly, a water absorbing assembly (not shown), a movable baffle 312, a first linear movable driving member 3111, and a fixing base 2, wherein the filtering assembly includes a pressing plate 321, a lifting frame 306, a first U-shaped filtering frame 319, a second U-shaped filtering frame 320, a first semi-permeable membrane 322, a second semi-permeable membrane 323, a third semi-permeable membrane 324, a second linear movable driving member 305, a third linear movable driving member 304, and a fourth linear movable driving member 303; the sludge box 301 and the fixed seat 2 are both arranged on the workbench 1; a sewage inlet pipe 302 is arranged on the sludge tank 301; the first linear motion driving part 3111 is installed on the fixed seat 20, the first linear motion driving part 3111 is connected to the movable baffle 312, the movable baffle 312 is located between the sludge tank 301 and the workbench 1, and the first linear motion driving part 3111 drives the movable baffle 312 to move relative to the sludge tank 301, so that the movable baffle 312 covers a sludge outlet below the sludge tank 301 and opens a sludge outlet below the sludge tank 301; the second linear motion driving element 305, the third linear motion driving element 304 and the fourth linear motion driving element 303 are all installed above the sludge tank 301, the first U-shaped filter rack 319 and the second U-shaped filter rack 320 are located in the sludge tank 301, the second U-shaped filter rack 320 is sleeved in the first U-shaped filter rack 319, the pressing plate 321 and the lifting rack 306 are located in the second U-shaped filter rack 320, the pressing plate 321 is connected with the lifting rack 306, the lifting rack 306 is connected with the second linear motion driving element 305, the second U-shaped filter rack 320 is connected with the third linear motion driving element 304, the first U-shaped filter rack 319 is connected with the fourth linear motion driving element 303, a water storage space is enclosed between the pressing plate 321, two side edges of the second U-shaped filter rack 320 and the sludge tank 301, and a cavity connected with the water storage space is arranged on the lifting rack 306, the cavity is connected with the water absorption component through a water absorption pipe 307, and the water absorption component is arranged on the workbench 1; the pressing plate 321 is provided with a plurality of first filtering holes, and the first semi-permeable membrane 322 is attached to the lower surface of the pressing plate 321; a plurality of second filtering holes are formed in the U-shaped bottom of the second U-shaped filtering frame 320, and the second semi-permeable membrane 323 is attached to the outer surface of the second U-shaped filtering frame 320; be equipped with a plurality of third filtration pores on the U type bottom of first U type filter rack 319, the laminating of third pellicle 324 the surface setting of first U type filter rack 319. The first linear motion driving element 3111, the second linear motion driving element 305, the third linear motion driving element 304 and the fourth linear motion driving element 303 are all linear driving devices such as oil cylinders, air cylinders, electric push rods, etc., which are not limited in detail. The semi-permeable membrane is a membrane which only allows certain molecules or ions to diffuse in and out, has selectivity on the passing of different particles, and only allows water molecules to pass through but not solutes to pass through.
When the sludge dewatering device is used in the embodiment, the second linear motion driving member 305 drives the lifting frame 306 and the pressing plate 321 to move upwards to the highest position, the third linear motion driving member 304 drives the second U-shaped filter frame 320 to move upwards to the highest position, the fourth linear motion driving member 303 drives the first U-shaped filter frame 319 to move upwards to the highest position, the movable baffle 312 covers a sludge outlet below the sludge tank 301, at the moment, the third semipermeable membrane 324, two side edges of the first U-shaped filter frame 319, a sedimentation cavity is defined between the movable baffle 312 and the sludge tank 301, at the moment, sludge enters the sedimentation cavity through the sludge water inlet pipe 302, the fourth linear motion driving member 303 drives the first U-shaped filter frame 319 to move downwards and press the sludge, under the characteristic action of the third semipermeable membrane 324, water in the sludge enters between the U-shaped bottom of the first U-shaped filter frame 319 and the second semipermeable membrane 323 through the third semipermeable membrane 324, and mud 5 can not pass through third pellicle 324, make mud 5 and water in the mud separate, third rectilinear movement driving piece 304 drives second U type filter frame 319 and moves down simultaneously, make water further filter pass through second pellicle 323, second rectilinear movement driving piece 305 drives crane 306 and clamp plate 321 and moves down simultaneously, water further filters and sees through first semi-permeable membrane 322, thereby make the water that gets into in the water storage space be the clear water, the subassembly that absorbs water at this moment passes through the clear water suction pipe 307 and siphons out the clear water in the water storage space, the clear water is as other usage, realize resource utilization, and mud 5 then stays in the sedimentation chamber, first rectilinear movement driving piece 3111 drives the removal baffle 312 and moves afterwards, make removal baffle 312 open the mud export of sludge tank 301 below, thereby mud 5 drops to the mud inslot on workstation 1. The embodiment realizes effective and thorough separation of sludge and water in the sludge, the obtained sludge and clear water are used for other purposes, the sludge treatment effect is good, the speed is high, and the resource recycling is realized. The obtained sludge can be used as fertilizer for vegetable planting and the like, and the clear water can be used for irrigation and the like.
As shown in fig. 3, the lifting frame 306 is provided with a first extension portion 3060, the first U-shaped filter frame 319 is provided with a second extension portion 3190, the second U-shaped filter frame 320 is provided with a third extension portion 3200, the sludge tank 301 is provided with a first strip-shaped groove, a second strip-shaped groove and a third strip-shaped groove which are opposite to the first extension portion 3060, the second extension portion 3190 and the third extension portion 3200 respectively, the first extension portion 3060 penetrates through the first strip-shaped groove, the second extension portion 3190 penetrates through the second strip-shaped groove, and the third extension portion 3200 penetrates through the third strip-shaped groove, so that the second linear movement driving member 305, the third linear movement driving member 304 and the fourth linear movement driving member 306 are arranged outside the sludge tank 301.
In this embodiment, it is further preferable that the sludge settling and filtering apparatus further includes a first pulling mechanism, the first pulling mechanism includes a first winding drum 325, a first motor 315, a second motor 311, a first rotating shaft 308, a first rotating roller 309, a first pulling rope 310, a first guiding roller 326, and a first connecting bar (not numbered in the figure), the first winding drum 325 and the first rotating shaft 308 are respectively rotatably installed above two sides of the first U-shaped filtering frame 319, the first motor 315 and the second motor 311 are installed on the first U-shaped filtering frame 319, the first motor 315 is connected to the first winding drum 325, the first rotating shaft 308 is connected to the second motor 311, the first rotating roller 309 is installed on the first rotating shaft 308, the first guiding roller 326 is rotatably installed at each of two corners of the first U-shaped filtering frame 319, the third semipermeable membrane 324 bypasses the first guiding roller 326, and the one end of third pellicle 324 twines on first reel 325, the other end of third pellicle 324 is connected with first connecting strip, and is a plurality of all be connected with on the first rotation roller 309 first stay cord 310, it is a plurality of first stay cord 310 with first connecting strip is connected. The third semipermeable membrane 324 is tensioned through the first traction mechanism, the filtering capacity of the third semipermeable membrane 324 is guaranteed, and the problem that the third semipermeable membrane 324 is folded and shifted during working to influence the filtering effect is avoided.
In this embodiment, it is further preferable that the sludge deposition filtering apparatus further includes a second pulling mechanism, the second pulling mechanism includes a second winding drum 328, a third motor 3150, a fourth motor 3110, a second rotating shaft 332, a second rotating roller 330, a second pulling rope 331, a second guiding roller 327, and a second connecting strip (not numbered in the figure), the second winding drum 328 and the second rotating shaft 332 are respectively rotatably installed above two side edges of the second U-shaped filter rack 320, the third motor 3150 and the fourth motor 3110 are installed on the second U-shaped filter rack 320, the third motor 3150 is connected to the second winding drum 328, the second rotating shaft 332 is connected to the fourth motor 3110, the second rotating roller 330 is installed on the second rotating shaft 332, the second guiding roller 327 is rotatably installed at both corners of the second U-shaped filter rack 320, the second semi-permeable membrane 323 bypasses the second guiding rollers 327, and the one end of the second semi-permeable membrane 323 is twined on the second reel 328, the other end of the second semi-permeable membrane 323 is connected with the second connecting strip, and is a plurality of all be connected with on the second live-rollers 330 the second stay cord 331, it is a plurality of the second stay cord 331 with the second connecting strip is connected. The second semi-permeable membrane 323 is tensioned through the second traction mechanism, the filtering capacity of the second semi-permeable membrane 323 is guaranteed, and the problem that the second semi-permeable membrane 323 is folded and shifted during working to influence the filtering effect is avoided.
In this embodiment, the water suction assembly preferably includes a water pump connected to the water suction pipe 307 and a water tank connected to the water pump. The clear water in the water storage cavity is conveyed to the water tank by the water pump through the cavity of the lifting frame 306 and the water suction pipe 307 for storage.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. A sludge sedimentation and filtration device is characterized by comprising a workbench, a sludge box, a filtration assembly, a water absorption assembly, a movable baffle, a first linear movement driving piece and a fixed seat, wherein the filtration assembly comprises a pressing plate, a lifting frame, a first U-shaped filtration frame, a second U-shaped filtration frame, a first semi-permeable membrane, a second semi-permeable membrane, a third semi-permeable membrane, a second linear movement driving piece, a third linear movement driving piece and a fourth linear movement driving piece; the sludge box and the fixed seat are both arranged on the workbench; a sewage inlet pipe is arranged on the sludge tank; the first linear movable driving piece is arranged on the fixed seat and is connected with the movable baffle plate, the movable baffle plate is positioned between the sludge box and the workbench, and the first linear movable driving piece drives the movable baffle plate to move relative to the sludge box, so that the movable baffle plate covers a sludge outlet below the sludge box and opens a sludge outlet below the sludge box;
the second linear motion driving piece, the third linear motion driving piece and the fourth linear motion driving piece are all arranged above the sludge tank, the first U-shaped filter frame and the second U-shaped filter frame are positioned in the sludge tank, the second U-shaped filter frame is sleeved in the first U-shaped filter frame, the pressing plate and the lifting frame are positioned in the second U-shaped filter frame, the pressing plate is connected with the lifting frame, the lifting frame is connected with the second linear motion driving piece, the second U-shaped filter frame is connected with the third linear motion driving piece, the first U-shaped filter frame is connected with the fourth linear motion driving piece, a water storage space is enclosed among the pressing plate, two side edges of the second U-shaped filter frame and the sludge tank, a cavity connected with the water storage space is arranged on the lifting frame, and the cavity is connected with the water absorption component through a water absorption pipe, the water absorption assembly is arranged on the workbench; the pressing plate is provided with a plurality of first filtering holes, and the first semi-permeable membrane is attached to the lower surface of the pressing plate; a plurality of second filtering holes are formed in the U-shaped bottom of the second U-shaped filtering frame, and the second semipermeable membrane is attached to the outer surface of the second U-shaped filtering frame; be equipped with a plurality of third filtration pores on the U type bottom of first U type filter rack, the laminating of third pellicle the outer surface setting of first U type filter rack.
2. The sludge deposition filtering device according to claim 1, further comprising a first pulling mechanism, wherein the first pulling mechanism comprises a first winding drum, a first motor, a second motor, a first rotating shaft, a first rotating roller, a first pulling rope, a first guiding roller, and a first connecting bar, the first winding drum and the first rotating shaft are respectively rotatably installed above two side edges of the first U-shaped filtering frame, the first motor and the second motor are installed on the first U-shaped filtering frame, the first motor is connected with the first winding drum, the first rotating shaft is connected with the second motor, the first rotating roller is installed on the first rotating shaft, the first guiding roller is rotatably installed at two corners of the first U-shaped filtering frame, the third semi-permeable membrane bypasses two first guiding rollers, just the one end winding of third pellicle is in on the first reel, the other end of third pellicle is connected with first connecting strip, it is a plurality of all be connected with on the first live-rollers first stay cord, it is a plurality of first stay cord with first connecting strip is connected.
3. The sludge deposition filtering device according to claim 2, further comprising a second pulling mechanism, wherein the second pulling mechanism comprises a second reel, a third motor, a fourth motor, a second rotating shaft, a second rotating roller, a second pulling rope, a second guiding roller, and a second connecting strip, the second reel and the second rotating shaft are respectively rotatably installed above two side edges of the second U-shaped filtering frame, the third motor and the fourth motor are installed on the second U-shaped filtering frame, the third motor is connected with the second reel, the second rotating shaft is connected with the fourth motor, the second rotating roller is installed on the second rotating shaft, the second guiding roller is rotatably installed at two corners of the second U-shaped filtering frame, and the second semi-permeable membrane is wound around the second guiding roller, just the one end winding of second pellicle is in on the second reel, the other end of second pellicle is connected with the second connecting strip, and is a plurality of all be connected with on the second live-rollers the second stay cord, it is a plurality of the second stay cord with the second connecting strip is connected.
4. The sludge settling and filtering device as claimed in claim 1, wherein the water suction assembly comprises a water pump connected to the water suction pipe and a water tank connected to the water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110621803.9A CN113277698B (en) | 2021-06-03 | 2021-06-03 | Sludge precipitation filter equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110621803.9A CN113277698B (en) | 2021-06-03 | 2021-06-03 | Sludge precipitation filter equipment |
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| CN113277698A true CN113277698A (en) | 2021-08-20 |
| CN113277698B CN113277698B (en) | 2022-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110621803.9A Active CN113277698B (en) | 2021-06-03 | 2021-06-03 | Sludge precipitation filter equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117361833A (en) * | 2023-12-07 | 2024-01-09 | 潍坊山水环保机械制造有限公司 | Sewage treatment device |
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| CN211659341U (en) * | 2020-01-20 | 2020-10-13 | 王艳 | Sludge discharge device for sewage treatment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06304420A (en) * | 1993-04-23 | 1994-11-01 | Asahi Sanac Kk | Coating sludge discarding device in coating booth water tank |
| CN208617680U (en) * | 2017-07-13 | 2019-03-19 | 上海荣普环境科技有限公司 | Sludge pressing system |
| CN207630102U (en) * | 2017-11-29 | 2018-07-20 | 金华职业技术学院 | A kind of roxburgh anoectochilus terminal bud cutter device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117361833A (en) * | 2023-12-07 | 2024-01-09 | 潍坊山水环保机械制造有限公司 | Sewage treatment device |
| CN117361833B (en) * | 2023-12-07 | 2024-02-13 | 潍坊山水环保机械制造有限公司 | Sewage treatment device |
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| CN113277698B (en) | 2022-11-11 |
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