CN113943091B - Drainage device for solidifying sludge - Google Patents
Drainage device for solidifying sludge Download PDFInfo
- Publication number
- CN113943091B CN113943091B CN202111240680.0A CN202111240680A CN113943091B CN 113943091 B CN113943091 B CN 113943091B CN 202111240680 A CN202111240680 A CN 202111240680A CN 113943091 B CN113943091 B CN 113943091B
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- CN
- China
- Prior art keywords
- plate
- filter
- equipment
- cavity
- place
- 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.)
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Links
- 239000010802 sludge Substances 0.000 title claims abstract description 34
- 239000010865 sewage Substances 0.000 claims abstract description 22
- 238000007711 solidification Methods 0.000 claims description 14
- 230000008023 solidification Effects 0.000 claims description 14
- 230000000694 effects Effects 0.000 abstract description 6
- 238000001914 filtration Methods 0.000 abstract description 6
- 230000000087 stabilizing effect Effects 0.000 description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 2
- 230000008092 positive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- 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
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6469—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
- B01D29/6484—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers with a translatory movement with respect to the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
-
- 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
- C02F11/008—Sludge treatment by fixation or solidification
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/20—Pressure-related systems for filters
- B01D2201/202—Systems for applying pressure to filters
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention belongs to the technical field of drainage structures, and particularly relates to a drainage device for solidifying sludge, which is characterized in that: including the main frame, place case and filter equipment, place the case respectively with the main frame the filter equipment is connected, filter equipment's partial structure stretches into place the incasement, place the sewage in the case and pass through filter equipment discharges. The invention has the advantages that: by arranging the filtering component, sewage generated during the operation of the equipment is effectively filtered, so that the problem that the generated sewage is directly discharged into the bottom of the placement box during the operation of the equipment is avoided, the drainage effect of the equipment is improved, and the failure rate of the equipment is reduced; through setting up stable subassembly, be convenient for carry out the unloading to silt piece, avoid too much silt piece to pile up inside equipment, and then reduce the use degree of difficulty of equipment, improve the stability of equipment.
Description
Technical Field
The invention belongs to the technical field of drainage structures, and particularly relates to a drainage device for sludge solidification.
Background
The solidification of the sludge is an operation of pressing the sludge into blocks, and the sludge can be rapidly collected and treated through the operation, so that the purification difficulty of the sludge is reduced. At present, the sludge is treated by a professional machine, water in the sludge is extruded in an extrusion mode, a large amount of sludge particles exist in the extrusion water, and a water outlet of equipment is blocked easily during direct discharge, so that the equipment cannot be used. Therefore, a new drainage device for sludge solidification is needed to solve the above problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides a drainage device for sludge solidification, which solves the technical problems of poor drainage effect, high equipment failure rate and the like in the prior art.
The technical scheme adopted by the invention is as follows: a drainage device for solidification of sludge, characterized in that: including the main frame, place case and filter equipment, place the case respectively with the main frame the filter equipment is connected, filter equipment's partial structure stretches into place the incasement, place the sewage in the case and pass through filter equipment discharges.
Further, the filter assembly comprises a filter plate, a connecting arm and a limiting block, a first groove is formed in the side face of the placement box, the filter plate penetrates through the first groove to divide the placement box into a first cavity and a second cavity, the limiting block is fixed on the side face, close to the first groove, of the placement box, and the connecting arm is connected with the filter plate and the limiting block.
Further, the filter assembly further comprises a limiting plate and a first spring, the limiting plate is movably connected with the connecting arm and the limiting block respectively, and two sides of the first spring are connected with the limiting plate and the limiting block respectively.
Further, still include stable subassembly, stable subassembly's partial structure with the filter butt just with place the case keep away from the side rotation of first recess is connected, place the silt of incasement solidification and pass through stable subassembly discharge.
Further, the stabilizing assembly comprises a baffle, a stabilizing block and a rotation stop block, wherein the baffle is abutted with the filter plate and the side surface of the placement box, which is far away from the first groove, is rotationally connected, the rotation stop block is connected with the baffle and the stabilizing block, and the stabilizing block is fixedly connected with the placement box.
Further, the stabilizing assembly further comprises a stabilizing plate and a second spring, wherein two sides of the second spring are respectively connected with the stabilizing plate and the stabilizing block, and the stabilizing plate can limit the rotation stop block.
Further, the stabilizing assembly further comprises a rotating handle, wherein the rotating handle is arranged on one side, far away from the baffle, of the rotation stop block, and the rotating handle drives the rotation stop block to rotate.
Further, a pressing plate is arranged on the main frame, the pressing plate covers the first cavity, and the pressing plate applies pressure to extrude sewage in the solidified sludge.
Further, the filter plate assembly further comprises a push plate, wherein the push plate is arranged in the first cavity and can slide between the filter plate and the baffle along the direction of the body of the filter plate.
Further, the device also comprises a control box, wherein the control box is connected with the main frame for control.
The invention has the advantages and positive effects that: by arranging the filtering component, sewage generated during the operation of the equipment is effectively filtered, so that the problem that the generated sewage is directly discharged into the bottom of the placement box during the operation of the equipment is avoided, the drainage effect of the equipment is improved, and the failure rate of the equipment is reduced; through setting up stable subassembly, be convenient for carry out the unloading to the silt piece, avoid most silt pieces to pile up inside equipment, and then reduce the use degree of difficulty of equipment, improve the stability of equipment.
Drawings
FIG. 1 is a schematic diagram of an embodiment provided by the present invention;
FIG. 2 is a side view of an embodiment provided by the present invention;
FIG. 3 is an enlarged view at A of an embodiment provided by the present invention;
FIG. 4 is a schematic view of a filter assembly according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a stabilizing assembly according to an embodiment of the present invention.
In the figure:
1. A main frame; 2. placing a box; 3. a control box; 4. a pressing plate; 5. a push plate; 6. a filter assembly; 61. a filter plate; 62. a limiting block; 63. a connecting arm; 64. a first spring; 65. a limiting plate; 66. a handle; 7. a stabilizing assembly; 71. a baffle; 72. a rotation stopper; 73. a rotating handle; 74. a stabilizing block; 75. a stabilizing plate; 76. and a second spring.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific examples.
Referring to fig. 1, a drainage device for sludge solidification is characterized in that: including main frame 1, place case 2 and filter component 6, place case 2 and be connected with main frame 1, filter component 6 respectively, the partial structure of filter component 6 stretches into and places in the case 2, places the sewage in the case 2 and discharges through filter component 6. Because a large amount of silt particles exist in the sewage, the blockage of a water outlet is easy to cause, the sewage placed in the placement box 2 is filtered through the filtering component 6, the sewage is prevented from being directly discharged into the bottom of the placement box 2, the water discharging effect of equipment is improved, and the failure rate of the equipment is reduced.
Preferably, the filter assembly 6 comprises a filter plate 61, a limiting block 62 and a connecting arm 63, a first groove 67 (not shown in the figure) is provided on the side of the placement tank 2, the filter plate 61 divides the placement tank 2 into a first cavity 68 (not shown in the figure) and a second cavity 69 (not shown in the figure) through the first groove 67, the limiting block 62 is fixed on the side of the placement tank 2 close to the first groove 67, and the connecting arm 63 connects the filter plate 61 and the limiting block 62. In one embodiment, the limiting blocks 62 are symmetrically arranged on two sides of the placement box 2 close to the first groove 67, and the number of the connecting arms 63 is two, and the two connecting arms 63 connect the filter plates 61 with the two limiting blocks 62 respectively, so that the running stability of the filter plates 61 is guaranteed to the greatest extent. In addition, the filter plate 61 divides the placement tank 2 into a first cavity 68 and a second cavity 69, the first cavity 68 is used for placing solidified sludge to be treated, and the solidified sludge is introduced into the second cavity 69 and discharged after being treated by the filter plate 61.
Preferably, the filter assembly 6 further comprises a limiting plate 65 and a first spring 64, the limiting plate 65 is movably connected with the connecting arm 63 and the limiting block 62 respectively, and two sides of the first spring 64 are connected with the limiting plate 65 and the limiting block 62 respectively. In one embodiment, as shown in fig. 4, the connecting arm 63 rotates to prop up the limiting plate 65, the limiting plate 65 moves and drives the first spring 64 to displace and deform to generate elastic force, when the connecting arm 63 is completely close to the inner wall of the limiting block 62, the limiting plate 65 loses constraint, the first spring 64 resets to drive the limiting plate 65 to be combined with the limiting hole on the limiting block 62, so as to realize the stabilization of the filter plate 61, at the moment, solidified sludge is placed in the first cavity 68, and the filter plate 61 filters sewage in the sludge. In addition, the limiting blocks 62 and the connecting arms 63 are respectively provided with a first limiting groove and a second limiting groove which are matched with the limiting plate 65, and when the limiting plate 65 and the second limiting groove are clamped, the filter plate 61 is fixed more stably and reliably.
It should be noted that the filter plate 61 can be taken out through the first groove 67, which is convenient for maintenance and replacement, and improves the service life of the apparatus.
Preferably, the filter assembly 6 further comprises a handle 66, the handle 66 being provided at the side of the connecting arm 63 remote from the placement tank 2. The handle 66 is arranged and can be manually operated, so that the device has the dual functions of automatic control and manual operation and is more flexible.
Preferably, the filter plate filter further comprises a stabilizing assembly 7, part of the stabilizing assembly 7 is abutted against the filter plate 61 and is rotatably connected with the side surface of the placing box 2 far away from the first groove 67, and solidified sludge in the placing box 2 is discharged through the stabilizing assembly 7. Through setting up stable subassembly 7, be convenient for carry out the unloading to the silt piece, avoid too much silt piece to pile up inside equipment, and then reduce the use degree of difficulty of equipment, improve the stability of equipment.
Preferably, as shown in fig. 3, the stabilizing assembly 7 includes a baffle 71, a stabilizing block 74 and a rotation stop 72, the baffle 71 is abutted with the filter plate 61 and the side of the placement tank 2 away from the first groove 67 is rotatably connected, the rotation stop 72 connects the baffle 71 and the stabilizing block 74, and the stabilizing block 74 is fixedly connected with the placement tank 2.
Preferably, as shown in fig. 5, the stabilizing assembly 7 further includes a stabilizing plate 75 and a second spring 76, wherein two sides of the second spring 76 are respectively connected to the stabilizing plate 75 and the stabilizing block 74, and the stabilizing plate 75 can limit the rotation stop 72.
Preferably, the stabilizing assembly 7 further comprises a rotating handle 73, wherein the rotating handle 73 is arranged on the side of the rotation stop 72 away from the baffle 71, and the rotating handle 73 drives the rotation stop 72 to rotate. In one embodiment, pulling the stabilizing plate 75 drives the second spring 76 to displace and deform to generate elastic force, when the stabilizing plate 75 is separated from the rotation stop block 72, the rotation handle 73 drives the rotation stop block 72 to rotate to an opening where the baffle 71 abuts against the rotation stop block 72, the restraint on the stabilizing plate 75 is released, the second spring 76 loses restraint, the second spring 76 resets to drive the stabilizing plate 75 to be combined with the inner wall of the rotation stop block 72, the baffle 71 is rotated, and the push plate 5 is pushed to move to push out solidified sludge.
Preferably, the main frame 1 is provided with a pressing plate 4, the pressing plate 4 covers the first cavity 68, and the pressing plate 4 applies pressure to extrude the sewage in the solidified sludge. Through the continuous extrusion of clamp plate 4, let the sewage in the silt furthest extrude, the outlet on the rethread placing case 2 discharges, has improved the drainage effect of equipment. It should be noted that the shape and material of the pressing plate are not limited as long as the same function is achieved.
Preferably, as shown in fig. 2, the filter plate 61 further comprises a push plate 5, wherein the push plate 5 is arranged in the first cavity 68 and can slide between the filter plate 61 and the baffle 71 along the direction of the body of the filter plate 61. When the shutter 71 rotates relative to the placement tank 2, the push plate 5 slides in the direction of the body of the filter plate 61, pushing out the solidified sludge.
Preferably, the control box 3 is further included, and the control box 3 is connected with the main frame 1 for control. The filtering component 6 and the stabilizing component 7 can be manually controlled, can be automatically arranged according to the needs, and are more flexible.
In operation, the solidified sludge is first placed in the first cavity 68, the pressing plate 4 covers the placing box 2, the pressing plate 4 presses the sludge, and the sewage enters the second cavity 69 after passing through the filter plate 61 and is discharged through the water outlet. After the filtration is completed, the pressing plate 4 is lifted, the baffle 71 is rotated, and the pushing plate 5 moves along the direction of the body of the filter plate 61 to push out the solidified sludge.
Embodiment one:
A drainage device for solidification of sludge, characterized in that: including main frame 1, place case 2 and filter component 6, place case 2 and be connected with main frame 1, filter component 6 respectively, the partial structure of filter component 6 stretches into and places in the case 2, places the sewage in the case 2 and discharges through filter component 6.
The filter assembly 6 comprises a filter plate 61, a limiting block 62 and a connecting arm 63, wherein a first groove 67 is formed in the side surface of the placement box 2, the filter plate 61 penetrates through the first groove 67 to divide the placement box 2 into a first cavity 68 and a second cavity 69, the limiting block 62 is fixed on the side surface, close to the first groove 67, of the placement box 2, and the connecting arm 63 is connected with the filter plate 61 and the limiting block 62.
The filter assembly 6 further comprises a limiting plate 65 and a first spring 64, the limiting plate 65 is movably connected with the connecting arm 63 and the limiting block 62 respectively, and two sides of the first spring 64 are connected with the limiting plate 65 and the limiting block 62 respectively.
Still include stable subassembly 7, stable subassembly 7 partial structure and filter 61 butt and with place the side rotation that case 2 kept away from first recess 67 and be connected, place the silt of incasement solidification and pass through stable subassembly 7 discharge.
The stabilizing assembly 7 comprises a baffle 71, a stabilizing block 74 and a rotation stop block 72, wherein the baffle 71 is in abutting connection with the filter plate 61 and is in rotary connection with the side surface of the placement box 2 far away from the first groove 67, the rotation stop block 72 is connected with the baffle 71 and the stabilizing block 74, and the stabilizing block 74 is fixedly connected with the placement box 2.
The stabilizing assembly 7 further comprises a stabilizing plate 75 and a second spring 76, wherein both sides of the second spring 76 are respectively connected with the stabilizing plate 75 and the stabilizing block 74, and the stabilizing plate 75 can limit the rotation stop block 72.
The stabilizing assembly 7 further comprises a rotation handle 73, the rotation handle 73 being provided at a side of the rotation stop 72 remote from the shutter 71, the rotation handle 73 driving the rotation stop 72 to rotate.
The main frame 1 is provided with a pressing plate 4, the pressing plate 4 covers the first cavity 68, and the pressing plate 4 applies pressure to extrude the sewage in the solidified sludge.
Also included is a push plate 5, the push plate 5 being disposed in the first cavity 68 and being slidable along the body of the filter plate 61 between the filter plate 61 and the baffle 71.
The device also comprises a control box 3, wherein the control box 3 is connected with the main frame 1 for control.
The invention has the advantages and positive effects that: by arranging the filtering component, sewage generated during the operation of the equipment is effectively filtered, so that the problem that the generated sewage is directly discharged into the bottom of the placement box during the operation of the equipment is avoided, the drainage effect of the equipment is improved, and the failure rate of the equipment is reduced; through setting up stable subassembly, be convenient for carry out the unloading to the silt piece, avoid most silt pieces to pile up inside equipment, and then reduce the use degree of difficulty of equipment, improve the stability of equipment.
The foregoing describes the embodiments of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (4)
1. A drainage device for solidification of sludge, characterized in that: the sewage treatment device comprises a main frame, a placement box and a filter assembly, wherein the placement box is respectively connected with the main frame and the filter assembly, a part of structure of the filter assembly stretches into the placement box, and sewage in the placement box is discharged through the filter assembly;
The filter assembly comprises a filter plate, a connecting arm, a limiting block, a limiting plate and a first spring, wherein a first groove is formed in the side face of the placement box, the filter plate penetrates through the first groove to divide the placement box into a first cavity and a second cavity, the limiting block is fixed on the side face, close to the first groove, of the placement box, the connecting arm is connected with the filter plate and the limiting block, the limiting plate is respectively and movably connected with the connecting arm and the limiting block, and two sides of the first spring are respectively connected with the limiting plate and the limiting block;
Still include stable subassembly, stable subassembly's partial structure with the filter butt just with place the case and keep away from the side of first recess rotates to be connected, place the silt of incasement solidification and pass through stable subassembly discharge, stable subassembly includes baffle, firm piece, rotatory dog, firm board, second spring and turning handle, the baffle with the filter butt just place the case and keep away from the side of first recess rotates to be connected, rotatory dog is connected the baffle with firm piece, firm piece with place case fixed connection, the second spring both sides are connected respectively firm board with firm piece, firm board can be right rotatory dog is restricted, the turning handle is established rotatory dog is kept away from one side of baffle, the turning handle drives rotatory dog rotates.
2. A drainage device for sludge solidification as claimed in claim 1, wherein: the main frame is provided with a pressing plate, the pressing plate covers the first cavity, and the pressing plate applies pressure to extrude the sewage in the solidified sludge.
3. A drainage device for sludge solidification as claimed in claim 1, wherein: the filter plate comprises a first cavity, a second cavity, a filter plate body and a baffle plate, and is characterized by further comprising a push plate, wherein the push plate is arranged in the first cavity and can slide between the filter plate and the baffle plate along the direction of the filter plate body.
4. A drainage device for sludge solidification as claimed in claim 1, wherein: the control box is connected with the main frame and used for controlling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111240680.0A CN113943091B (en) | 2021-10-25 | 2021-10-25 | Drainage device for solidifying sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111240680.0A CN113943091B (en) | 2021-10-25 | 2021-10-25 | Drainage device for solidifying sludge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113943091A CN113943091A (en) | 2022-01-18 |
| CN113943091B true CN113943091B (en) | 2024-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111240680.0A Active CN113943091B (en) | 2021-10-25 | 2021-10-25 | Drainage device for solidifying sludge |
Country Status (1)
| Country | Link |
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| CN (1) | CN113943091B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212610209U (en) * | 2020-01-21 | 2021-02-26 | 胡炀 | Sludge drying device |
| CN112723701A (en) * | 2020-12-29 | 2021-04-30 | 温州虎格狼农业科技有限公司 | Animal husbandry excrement and urine recovery unit with remove peculiar smell function |
| CN216890586U (en) * | 2021-10-25 | 2022-07-05 | 中冶天工集团有限公司 | Drainage device for sludge solidification |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2149150Y (en) * | 1992-11-19 | 1993-12-15 | 李磊 | Cup cover with knob type tea box |
| JPH0714076U (en) * | 1993-08-12 | 1995-03-10 | 河村電器産業株式会社 | Box body for storing electrical equipment |
| JP3597915B2 (en) * | 1994-10-21 | 2004-12-08 | 株式会社栃木屋 | Door handle |
| US11353076B2 (en) * | 2018-09-21 | 2022-06-07 | Ogden Metalworks, Inc. | Torsion spring adjustment assembly for a finger wheel rake |
| CN210974204U (en) * | 2019-10-15 | 2020-07-10 | 龙岩市瑞泽环保科技有限公司 | Medical wastewater treatment equipment |
| CN212906292U (en) * | 2020-07-02 | 2021-04-06 | 黄侃 | Pick-proof network safety device |
-
2021
- 2021-10-25 CN CN202111240680.0A patent/CN113943091B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212610209U (en) * | 2020-01-21 | 2021-02-26 | 胡炀 | Sludge drying device |
| CN112723701A (en) * | 2020-12-29 | 2021-04-30 | 温州虎格狼农业科技有限公司 | Animal husbandry excrement and urine recovery unit with remove peculiar smell function |
| CN216890586U (en) * | 2021-10-25 | 2022-07-05 | 中冶天工集团有限公司 | Drainage device for sludge solidification |
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| CN113943091A (en) | 2022-01-18 |
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