CN111439607A - Conveyor for river sludge treatment - Google Patents
Conveyor for river sludge treatment Download PDFInfo
- Publication number
- CN111439607A CN111439607A CN202010290641.0A CN202010290641A CN111439607A CN 111439607 A CN111439607 A CN 111439607A CN 202010290641 A CN202010290641 A CN 202010290641A CN 111439607 A CN111439607 A CN 111439607A
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- CN
- China
- Prior art keywords
- cylinder
- mud
- sludge
- water
- feeding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000010802 sludge Substances 0.000 title claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 93
- 238000000926 separation method Methods 0.000 claims abstract description 33
- 238000003860 storage Methods 0.000 claims abstract description 21
- 230000006835 compression Effects 0.000 claims abstract description 18
- 238000007906 compression Methods 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 4
- 241001330002 Bambuseae Species 0.000 claims description 4
- 241000883990 Flabellum Species 0.000 claims description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 4
- 239000011425 bamboo Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 1
- 238000004140 cleaning Methods 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G67/00—Loading or unloading vehicles
- B65G67/02—Loading or unloading land vehicles
- B65G67/04—Loading land vehicles
-
- 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
- C02F11/125—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using screw filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (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)
- Aviation & Aerospace Engineering (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a conveyor for treating sludge in a river channel, which comprises a bearing plate, a water storage tank, a filter layer, a feeding auger, a feeding cylinder, a telescopic conveying cylinder, a stand column, a muddy water compression propelling cylinder shaft, propelling fan blades and a muddy water separation cylinder, wherein the water storage tank is supported on the bearing plate, the muddy water separation cylinder is supported and installed at the top of the water storage tank, a propelling motor is fixedly installed at one side of the muddy water separation cylinder, the propelling motor is connected with the muddy water compression propelling cylinder shaft in a driving manner, the spiral propelling fan blades are installed on the shaft body of the muddy water compression propelling cylinder shaft, the feeding cylinder is fixedly installed at the tail end of the muddy water separation cylinder, and the feeding motor is installed at the bottom of the feeding cylinder. Has the advantages that: the conveyor for treating the sludge in the river channel realizes height limitation of sludge conveying in the sludge separation process, can directly carry out sludge-water separation through equipment and then convey the sludge-water separated to a dump truck, simplifies the cleaning step and improves the efficiency.
Description
Technical Field
The invention relates to the field of river channel treatment devices, in particular to a conveyor for river channel sludge treatment.
Background
River channel siltation increasingly affects normal performance of various functions such as flood control, waterlogging drainage, irrigation, water supply, navigation and the like, and in order to restore normal functions of a river channel and promote rapid and continuous development of economic society, river channel desilting and dredging engineering is carried out, so that the river channel is deepened and widened through treatment, river water is cleared, production conditions and living environment of the masses are obviously improved, sludge pollution discharge is required in the river channel cleaning process, sludge is conveyed after sludge-water separation is carried out on traditional pollution discharge through a sludge pump, sludge is discharged through winding up in the conveying process, and then the sludge is conveyed into a higher dump truck hopper through an excavator and a conveying belt, and steps are troublesome.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide a conveyor for treating river sludge.
The invention realizes the purpose through the following technical scheme:
a conveyor for river sludge treatment comprises a bearing plate, a water storage tank, a filter layer, a feeding auger, a feeding barrel, a telescopic conveying barrel, a stand column, a mud-water compression propulsion barrel shaft, propulsion fan blades and a mud-water separation barrel, wherein the bearing plate is supported and installed with the water storage tank, the top of the water storage tank is supported and installed with the mud-water separation barrel, one side of the mud-water separation barrel is fixedly provided with a propulsion motor, the propulsion motor is in driving connection with the mud-water compression propulsion barrel shaft, the shaft body of the mud-water compression propulsion barrel shaft is provided with the spiral propulsion fan blades, the tail end of the mud-water separation barrel is fixedly provided with the feeding barrel, the bottom of the feeding barrel is provided with the feeding motor, the feeding motor is in driving connection with a feeding shaft vertically arranged in the feeding barrel, the feeding auger is fixedly arranged on the feeding shaft, go up the top fixed mounting of feed cylinder and have flexible conveying feed cylinder, the return water pump is installed through the nozzle stub connection to one side of water storage tank, install the mixing valve on the nozzle stub, the delivery port department of return water pump installs the hose and is used for the backward flow, the bottom fixed mounting of loading board has the truckle installed part, still seted up the nail hole on the loading board, the bottom installation in nail hole is fixed with the nail cover.
In order to further improve the use performance of the conveyor for treating the sludge in the river channel, the tail end of the mud-water separation cylinder is vertically fixed with the upright post, the upright post is provided with a shaft sleeve, the tail end of the mud-water compression propelling cylinder shaft is a conical shaft body, and the tail end of the conical shaft body is inserted into the shaft sleeve to limit the mud-water compression propelling cylinder shaft.
In order to further improve river sludge treatment and use the performance with the conveyer, the bottom of truckle installed part is installed with the gyro wheel through the truckle axle, peg graft in the inside of nail cover has fixed ground nail to be used for fixing the device to the river beach.
In order to further improve the service performance of the conveyor for treating the sludge in the river channel, the hose extends into the river channel, and the other valve port of the mixing valve is communicated with the purifying liquid storage device through a material pipe and used for mixing the backflow water to flow back to the river channel again.
In order to further improve river sludge treatment and use conveyer performance, dirty tub is installed into at mud-water separation section of thick bamboo's top, the flabellum interval that impels the flabellum is along with advancing direction littleer and littleer, the motor cabinet is installed to the bottom sprag of material loading motor, motor cabinet fixed mounting is in on the loading board, return water pump also fixed mounting be in on the loading board.
In order to further improve the use performance of the conveyor for treating the sludge in the river channel, a plurality of seepage holes are formed in the bottom of the cylinder body of the sludge-water separation cylinder, and the bottom of each seepage hole is transversely provided with the filter layer at intervals and used for filtering water.
In order to further improve river sludge treatment and use conveyer performance, flexible conveying cylinder is in by inner tube and cup joint urceolus on the inner tube is constituteed, peg graft in the urceolus the inner tube end is provided with the inner tube and hinders mud and extend the ear, be close to on the urceolus the inside fastener that is provided with of barrel of inner tube is used for right the inner tube hinders mud and extends the ear and carry out the screens.
In order to further improve river sludge treatment and use performance of the conveyor, the tail end of the telescopic conveying cylinder is fixedly sleeved with a hoop, and the bottom of the hoop is riveted with a pendant through a riveting piece.
Among the above-mentioned structure, with the device through the gyro wheel propelling movement to the river beach on, fix through fixed ground nail, carry into the dirty pipe with mud through the sludge pump, mud carries out the screw propulsion extrusion in the mud-water separation section of thick bamboo, and the river course is got back to through the mixed liquid of return water pump after water is stored up through the storage water tank, and mud is carried out vertical material loading in being delivered to the material loading section of thick bamboo and reaches the height of tipper, later carries out the row and send.
Has the advantages that: the conveyor for treating the sludge in the river channel realizes height limitation of sludge conveying in the sludge separation process, can directly carry out sludge-water separation through equipment and then convey the sludge-water separated to a dump truck, simplifies the cleaning step and improves the efficiency.
Drawings
FIG. 1 is a schematic structural view of a conveyor for treating river sludge according to the present invention;
FIG. 2 is a schematic view of a telescopic delivery cylinder of the conveyor for treating river sludge according to the present invention.
The reference numerals are explained below:
1. a carrier plate; 2. a water storage tank; 3. a filter layer; 4. a caster mount; 5. fixing ground nails; 6. nailing a sleeve; 7. a motor base; 8. a feeding motor; 9. a feeding shaft; 10. a feeding screw conveyor; 11. feeding a material barrel; 12. riveting a connecting piece; 13. hanging parts; 14. clamping a hoop; 15. a material conveying cylinder is telescopic; 16. a column; 17. compressing the muddy water to push the cylinder shaft; 18. propelling fan blades; 19. a mud-water separation cylinder; 20. a sewage inlet pipe; 21. a propulsion motor; 22. a water return pump; 23. a mixing valve; 24. a roller; 25. an inner barrel; 26. the inner cylinder blocks the mud and extends the ear; 27. an outer cylinder.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The invention will be further described with reference to the accompanying drawings in which:
as shown in fig. 1-2, a conveyor for river sludge treatment comprises a bearing plate 1, a water storage tank 2, a filter layer 3, a feeding screw feeder 10, a feeding cylinder 11, a telescopic feeding cylinder 15, an upright column 16, a mud-water compression propelling cylinder shaft 17, propelling fan blades 18 and a mud-water separation cylinder 19;
a water storage tank 2 is supported and mounted on the bearing plate 1, a mud-water separation cylinder 19 is supported and mounted at the top of the water storage tank 2, a propulsion motor 21 is fixedly mounted on one side of the mud-water separation cylinder, the propulsion motor 21 is in driving connection with a mud-water compression propulsion cylinder shaft 17, and spiral propulsion blades are mounted on a shaft body of the mud-water compression propulsion cylinder shaft 17;
an upper charging barrel 11 is fixedly arranged at the tail end of the mud-water separation barrel 19, a feeding motor 8 is arranged at the bottom of the upper charging barrel 11, the feeding motor 8 is connected with a feeding shaft 9 vertically arranged in the upper charging barrel 11 in a driving mode, a feeding auger 10 is fixedly arranged on a shaft body of the feeding shaft 9, and a telescopic material conveying barrel 15 is fixedly arranged at the top of the upper charging barrel 11;
a water return pump 22 is connected and installed on one side of the water storage tank 2 through a short pipe, a mixing valve 23 is installed on the short pipe, and a hose is installed at a water outlet of the water return pump 22 and used for backflow;
the bottom fixed mounting of loading board 1 has truckle installed part 4, has still seted up the nail hole on the loading board 1, the bottom installation in nail hole is fixed with nail cover 6.
In this embodiment, the end of the mud-water separation cylinder 19 is also vertically fixed with an upright post 16, the upright post 16 is provided with a shaft sleeve, the end of the mud-water compression propulsion cylinder shaft 17 is a conical shaft body, and the end of the conical shaft body is inserted into the shaft sleeve to limit the mud-water compression propulsion cylinder shaft 17.
In this embodiment, the caster mount 4 is mounted at its bottom with a roller 24 through a caster shaft, and a fixing ground nail 5 is inserted into the nail housing 6 for fixing the device to a river beach.
In this embodiment, the hose is extended into the river, and the other port of the mixing valve 23 is connected to the purified liquid storage device through a material pipe for mixing the backflow water to flow back to the river.
In this embodiment, a dirt inlet pipe 20 is installed at the top of the mud-water separation cylinder 19, the distance between the blades of the propelling blades 18 is smaller and smaller along with the propelling direction, the motor base 7 is installed on the bottom support of the feeding motor 8, the motor base 7 is fixedly installed on the bearing plate 1, and the water return pump 22 is also fixedly installed on the bearing plate 1.
In this embodiment, the bottom of the mud-water separation cylinder 19 is provided with a plurality of seepage holes, and the bottom of the seepage holes is transversely provided with a filter layer 3 at intervals for leaking filtered water.
In this embodiment, the telescopic material delivery cylinder 15 is composed of an inner cylinder 25 and an outer cylinder 27 sleeved on the inner cylinder 25, an inner cylinder mud blocking extension lug 26 is arranged at the end of the inner cylinder 25 inserted into the outer cylinder 27, and a clamping piece is arranged inside the cylinder close to the inner cylinder 25 on the outer cylinder 27 and used for clamping the inner cylinder mud blocking extension lug 26.
In this embodiment, a clip 14 is fixed to the end of the telescopic feeder cylinder 15, and a hanger 13 is riveted to the bottom of the clip 14 by a rivet 12.
In the structure, the device is pushed to the river beach through the rollers 24 and is fixed through the fixed ground nails, sludge is conveyed to the sewage inlet pipe 20 through the sludge pump, the sludge is spirally pushed and extruded in the sludge-water separation cylinder, water is stored up through the water storage tank and then returns to the river channel through the mixed liquid of the water return pump 22, and the sludge is discharged into the feeding cylinder to vertically feed the sludge to reach the height of the dump truck and then is discharged.
The foregoing illustrates and describes the principles, general features, and advantages of the present 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 described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a river sludge handles and uses conveyer which characterized in that: the device comprises a bearing plate, a water storage tank, a filter layer, a feeding auger, a feeding cylinder, a telescopic feeding cylinder, a stand column, a mud-water compression propulsion cylinder shaft, propulsion blades and a mud-water separation cylinder, wherein the water storage tank is supported and installed on the bearing plate, the mud-water separation cylinder is supported and installed at the top of the water storage tank, a propulsion motor is fixedly installed at one side of the mud-water separation cylinder, the propulsion motor is in driving connection with the mud-water compression propulsion cylinder shaft, the spiral propulsion blades are installed on the shaft body of the mud-water compression propulsion cylinder shaft, the feeding cylinder is fixedly installed at the tail end of the mud-water separation cylinder, the feeding motor is installed at the bottom of the feeding cylinder, the feeding motor is in driving connection with the feeding shaft vertically arranged in the feeding cylinder, the feeding auger is installed and fixed on the shaft body of the feeding shaft, the telescopic cylinder is fixedly installed at the top of the feeding cylinder, one side of water storage tank installs the return water pump through the nozzle stub connection, install the blend valve on the nozzle stub, the delivery port department of return water pump installs the hose and is used for the backward flow, the bottom fixed mounting of loading board has the truckle installed part, still seted up the nail hole on the loading board, the bottom installation in nail hole is fixed with the nail cover.
2. The conveyor for treating the sludge in the river channel according to claim 1, wherein: the tail end of the mud-water separation cylinder is vertically fixed with the stand column, the stand column is provided with a shaft sleeve, the tail end of the mud-water compression propulsion cylinder shaft is a conical shaft body, and the tail end of the conical shaft body is inserted into the shaft sleeve to limit the mud-water compression propulsion cylinder shaft.
3. The conveyor for treating the sludge in the river channel according to claim 1, wherein: the bottom of truckle installed part has the gyro wheel through the truckle axle installation, peg graft in the inside of nail cover has fixed ground nail to be used for fixing the device to the river beach.
4. The conveyor for treating the sludge in the river channel according to claim 1, wherein: the hose is extended into the river channel, and the other valve port of the mixing valve is communicated with the purifying liquid storage device through a material pipe and used for mixing backflow water to flow back to the river channel again.
5. The conveyor for treating the sludge in the river channel according to claim 1, wherein: dirty tub is installed at the top of mud-water separation section of thick bamboo, the flabellum interval that impels the flabellum is along with advancing direction littleer and smaller, the motor cabinet is installed to the bottom sprag of material loading motor, motor cabinet fixed mounting is in on the loading board, the return water pump is fixed mounting also on the loading board.
6. The conveyor for treating the sludge in the river channel according to claim 1, wherein: the bottom of the cylinder body of the mud-water separation cylinder is provided with a plurality of seepage holes, and the bottom of each seepage hole is transversely provided with the filter layer at intervals for filtering water to leak down.
7. The conveyor for treating the sludge in the river channel according to claim 1, wherein: the telescopic conveying cylinder is composed of an inner cylinder and an outer cylinder sleeved on the inner cylinder, the inner cylinder is inserted into the outer cylinder, the tail end of the inner cylinder is provided with an inner cylinder mud resistance extension lug, the outer cylinder is close to a clamping piece arranged inside the cylinder body of the inner cylinder, and the inner cylinder mud resistance extension lug is clamped.
8. The conveyor for treating the sludge in the river channel according to claim 1, wherein: the tail end of the telescopic conveying cylinder is fixedly connected with a hoop in a sleeved mode, and the bottom of the hoop is riveted with a pendant through a riveting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010290641.0A CN111439607A (en) | 2020-04-14 | 2020-04-14 | Conveyor for river sludge treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010290641.0A CN111439607A (en) | 2020-04-14 | 2020-04-14 | Conveyor for river sludge treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111439607A true CN111439607A (en) | 2020-07-24 |
Family
ID=71651686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010290641.0A Pending CN111439607A (en) | 2020-04-14 | 2020-04-14 | Conveyor for river sludge treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111439607A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114956435A (en) * | 2022-08-01 | 2022-08-30 | 威海职业学院(威海市技术学院) | Ship deck cleaning sewage treatment device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206860190U (en) * | 2017-06-19 | 2018-01-09 | 安徽唐兴机械装备有限公司 | A kind of dense mud formula push-bench Shaftless screw conveyor structure |
| CN109205975A (en) * | 2018-11-21 | 2019-01-15 | 中节能博实(湖北)环境工程技术股份有限公司 | Sludge carbonization treatment system and technique |
| CN208591605U (en) * | 2018-05-28 | 2019-03-12 | 长兴山鹰顺达建材有限公司 | A kind of spiral mud-pressing mechanism |
| CN209188310U (en) * | 2018-09-29 | 2019-08-02 | 江苏昆腾新材料科技有限公司 | A kind of mud-water separation recyclable device |
| CN209685447U (en) * | 2019-03-12 | 2019-11-26 | 克拉玛依博达生态环保科技有限责任公司 | A kind of mud-water separation slot |
| CN210216551U (en) * | 2019-07-02 | 2020-03-31 | 广东源基建设工程有限公司 | Municipal administration river course is administered and is used desilting equipment |
| CN212608258U (en) * | 2020-04-14 | 2021-02-26 | 滨州市金毅设备有限公司 | Conveyor for river sludge treatment |
-
2020
- 2020-04-14 CN CN202010290641.0A patent/CN111439607A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206860190U (en) * | 2017-06-19 | 2018-01-09 | 安徽唐兴机械装备有限公司 | A kind of dense mud formula push-bench Shaftless screw conveyor structure |
| CN208591605U (en) * | 2018-05-28 | 2019-03-12 | 长兴山鹰顺达建材有限公司 | A kind of spiral mud-pressing mechanism |
| CN209188310U (en) * | 2018-09-29 | 2019-08-02 | 江苏昆腾新材料科技有限公司 | A kind of mud-water separation recyclable device |
| CN109205975A (en) * | 2018-11-21 | 2019-01-15 | 中节能博实(湖北)环境工程技术股份有限公司 | Sludge carbonization treatment system and technique |
| CN209685447U (en) * | 2019-03-12 | 2019-11-26 | 克拉玛依博达生态环保科技有限责任公司 | A kind of mud-water separation slot |
| CN210216551U (en) * | 2019-07-02 | 2020-03-31 | 广东源基建设工程有限公司 | Municipal administration river course is administered and is used desilting equipment |
| CN212608258U (en) * | 2020-04-14 | 2021-02-26 | 滨州市金毅设备有限公司 | Conveyor for river sludge treatment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114956435A (en) * | 2022-08-01 | 2022-08-30 | 威海职业学院(威海市技术学院) | Ship deck cleaning sewage treatment device |
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