CN212383841U - Plate frame filter-pressing dewatering mud cake grading crushing device - Google Patents
Plate frame filter-pressing dewatering mud cake grading crushing device Download PDFInfo
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- CN212383841U CN212383841U CN201922279722.6U CN201922279722U CN212383841U CN 212383841 U CN212383841 U CN 212383841U CN 201922279722 U CN201922279722 U CN 201922279722U CN 212383841 U CN212383841 U CN 212383841U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 59
- 239000010959 steel Substances 0.000 claims abstract description 59
- 239000000843 powder Substances 0.000 claims abstract description 38
- 238000002347 injection Methods 0.000 claims abstract description 16
- 239000007924 injection Substances 0.000 claims abstract description 16
- 238000005507 spraying Methods 0.000 claims abstract description 15
- 238000005192 partition Methods 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 5
- 229920000642 polymer Polymers 0.000 claims description 5
- 239000003638 chemical reducing agent Substances 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 230000018044 dehydration Effects 0.000 claims description 3
- 238000006297 dehydration reaction Methods 0.000 claims description 3
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 9
- 239000010802 sludge Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229910000617 Mangalloy Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000010881 fly ash Substances 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 239000010902 straw Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910000669 Chrome steel Inorganic materials 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 1
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- Treatment Of Sludge (AREA)
- Crushing And Grinding (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The utility model discloses a plate frame filter-pressing dewatering mud cake grading crushing device, which comprises a mud cake feeding bin, a tooth-shaped steel plate grid, a separating feeding device, a dry powder injection device, a tooth-shaped double-roller crusher and a driving mechanism; the toothed steel plate grating and the separated feeding device are sequentially arranged in the mud cake feeding bin from top to bottom at intervals; the tooth-shaped steel plate grating is provided with a spine part; the dry powder injection device is arranged below the partition plate; the tooth-shaped double-roller crusher is positioned below the dry powder spraying device. The primary crushing of the mud cakes is realized through the tooth-shaped steel plate grating and the impact force of the mud cakes which are freely discharged; the two-stage crushing of the mud cakes is realized through a toothed double-roller crusher; and the secondary crushing efficiency can be obviously improved by separating the feeding device and the dry powder spraying device, and the mud cakes are prevented from agglomerating and adhering. The device has the advantages of high crushing efficiency, wide application range, simple structure, low energy consumption, energy conservation and the like, is not easy to block and has better practical application and popularization values.
Description
Technical Field
The utility model relates to a sludge treatment technical field specifically indicates a plate frame filter-pressing dehydration mud cake grading breaker.
Background
The sludge is a flowing medium with high water content, and the dehydration step is a key link of sludge reduction treatment. In the existing sludge dewatering treatment process, mechanical plate-and-frame filter-pressing dewatering is widely applied to dewatering treatment of various kinds of sludge (municipal sludge, industrial sludge, river and lake sludge and the like) due to the advantages of simple structure, convenience in operation, stability in operation, high water content of mud cakes, strong adaptability to materials and the like.
The dewatered mud cake produced by plate-and-frame filter pressing is in a large-block plate shape, has larger volume and weight, is a semi-sticky plastic solid, and needs to be crushed before transportation, storage, deep drying or resource treatment, so that the storage and the transportation are convenient, and the drying efficiency is improved. The traditional crushing mode is generally implemented by manual crushing or crushing by adopting a crushing machine, and has the following defects: (1) the manual crushing mode is adopted, so that the working environment of workers is severe, the labor intensity is high, the crushing efficiency is low, and the crushing is not uniform; (2) when the traditional crushing device is used for crushing, the mud cakes are high in viscosity and are often clamped in gaps (such as crushing shafts) of the crushing device, the crushing device needs to be cleaned regularly, and the crushing efficiency is reduced; (3) when the mud cake is conveyed by a belt conveyor, the distance between the mud cake discharging point and the belt conveyor below has a certain relative height difference, and the impact force of the free falling of the mud cake can damage the belt conveyor; meanwhile, the sticky mud cake may adhere to the surface of the belt conveyor and needs to be cleaned periodically, thereby reducing the transmission efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the problem of low crushing efficiency of the mud cake crushing device in the prior art, and provides a plate frame filter-pressing dewatering mud cake grading crushing device which comprises a mud cake feeding bin, a tooth-shaped steel plate grid, a separating feeding device, a dry powder injection device, a tooth-shaped double-roller crusher and a driving mechanism; the toothed steel plate grating and the separated feeding device are sequentially arranged in the mud cake feeding bin from top to bottom at intervals; the tooth-shaped steel plate grating is provided with a spine part; the separated feeding device comprises a plurality of separating plates which are horizontally arranged at intervals; the dry powder injection device is arranged below the partition plate; the dry powder injection device is connected with a powder conveying system; the toothed double-roller crusher is positioned below the dry powder spraying device; the toothed double-roller crusher comprises a driving shaft and a driven shaft which are matched with each other and blades fixed on the driving shaft and the driven shaft; the driving mechanism is connected with the driving shaft.
Further, the dry powder spraying device comprises a spraying opening; the powder conveying system comprises a blower, an ejector, an air locking and dividing wheel, a feeding bin and a PLC (programmable logic controller) control system; the ejector comprises an air inlet end, a feeding hole and a discharging hole; the blower is communicated with the air inlet end of the ejector; the injection port is communicated with a discharge hole of the injector; the feeding bin is communicated with the air locking dividing wheel; the air locking dividing wheel is communicated with a feed inlet of the ejector; and the PLC control system is respectively electrically connected with the air blower and the air locking grid wheel.
Further, the toothed steel plate grid comprises a plurality of first steel plates, second steel plates and third steel plates which are arranged in a staggered mode; the spine part is arranged at the upper end of the first steel plate and/or the second steel plate and/or the third steel plate.
Further, the cross section of the partition plate is in an inverted V shape; the partition plate is positioned above the driving shaft and the driven shaft.
Furthermore, a metal polymer composite anti-sticking layer is coated on the surface of the partition plate.
Further, the mud cake feeding bin comprises a vertical section and a closing section arranged at the lower end of the vertical section; the toothed steel plate grating is horizontally arranged in the vertical section; the separated feeding device is horizontally arranged in the closing-in section.
Furthermore, the toothed double-roller crusher also comprises a case and a connecting belt; the driving shaft and the driven shaft are horizontally arranged in the case and are connected through a connecting belt arranged outside the case; and the inner wall of the case is provided with a fixed cutter matched with the blade.
Further, the driving mechanism comprises a driving motor, a speed reducer and a coupling which are connected in sequence; the coupler is connected with the driving shaft.
Further, the crushing device further comprises a belt conveyor, and a belt of the belt conveyor is arranged below the toothed double-roller crusher.
The utility model has the advantages that: the primary crushing of the mud cakes is realized through the tooth-shaped steel plate grating and the impact force of the mud cakes which are freely discharged; the two-stage crushing of the mud cakes is realized through a toothed double-roller crusher; and the secondary crushing efficiency can be obviously improved by separating the feeding device and the dry powder spraying device, and the mud cakes are prevented from agglomerating and adhering. Compared with the traditional crushing system, the device has the advantages of high crushing efficiency, wide application range, simple structure, low energy consumption, energy conservation and the like, is not easy to block, and has better practical application and popularization values.
Drawings
Fig. 1 is the main view structure schematic diagram of the plate frame filter-pressing dewatering mud cake stage crushing device of the utility model.
Fig. 2 is a schematic structural diagram of a powder conveying system of the crushing device of the present invention.
Fig. 3 is a schematic top view of the mud cake feeding bin in fig. 1.
Fig. 4 is a schematic top view of the tooth-shaped double roll crusher of fig. 1.
Fig. 5 is a schematic view of the structure of the blade in fig. 4.
In the figure, 1, mud cakes are put into a storage bin; 2. a toothed steel plate grid; 3. a separate feeding device; 4. a dry powder spraying device; 5. a toothed double-roll crusher; 6. a drive motor; 7. a speed reducer; 8. a coupling; 9. a chassis; 10. fixing a cutter; 11. a blade; 12. a drive shaft; 13. a driven shaft; 14. connecting a belt; 15. an ejection port; 16. a blower; 17. an ejector; 18. a wind-locking grid wheel; 19. a feeding bin; 20. a PLC control system; 21. a first steel plate; 22. a second steel plate; 23. a third steel plate; 24. a spike portion; 25. a partition plate.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments.
As shown in fig. 1-5, a plate-frame filter-pressing dewatering mud cake grading crushing device comprises a mud cake feeding bin 1, a toothed steel plate grating 2, a separate feeding device 3, a dry powder spraying device 4, a toothed double-roller crusher 5 and a driving mechanism; the toothed steel plate grating 2 and the separated feeding device 3 are sequentially arranged in the mud cake feeding bin 1 from top to bottom at intervals; the tooth-shaped steel plate grating 2 is provided with a spine part 24; the separated feeding device 3 comprises a plurality of separating plates 25 which are horizontally arranged at intervals; more specifically, the mud cake feeding bin 1 comprises a vertical section and a closing section arranged at the lower end of the vertical section; the toothed steel plate grating 2 is horizontally arranged in the vertical section; the separated feeding device 3 is horizontally arranged in the closing-in section; the mud cake feeding bin 1 can be in a square bucket shape or a round bucket shape, the material is preferably stainless steel plate, and the double surfaces of the steel plate are coated with anticorrosive layers. The dry powder injection device 4 is arranged below the partition plate 25; the dry powder injection device 4 is connected with a powder conveying system; the toothed double-roller crusher 5 is positioned below the dry powder injection device 4.
As shown in fig. 1 and 2, the dry powder injection device 4 comprises a plurality of injection ports 15, the injection ports 15 are uniformly distributed on two opposite sides or four sides of the lower part (or the lower part of the separated feeding device 3) of the mud cake feeding bin 1, and the distance between every two adjacent injection ports 15 is 50-80 cm; the powder conveying system comprises a blower 16 (preferably a Roots blower 16), an ejector 17 (preferably a Venturi ejector 17), an air locking dividing wheel 18, a feeding bin 19 and a PLC (programmable logic controller) control system 20; the ejector 17 comprises an air inlet end, a feed inlet and a discharge outlet; the blower 16 is communicated with the air inlet end of the ejector 17; the injection port 15 is communicated with a discharge hole of the injector 17; the feeding bin 19 is communicated with the air locking dividing wheel 18; the air locking dividing wheel 18 is communicated with the feed inlet of the ejector 17; the PLC control system 20 is respectively electrically connected with the blower 16 and the air locking dividing wheel 18 to realize the regular/quantitative ejection of dry powder materials by the ejection opening 15; the specific electric signal connection mode can be realized by adopting the prior art.
The feeding bin 19 is internally provided with a dry powder material, and the dry powder material is one or more of modified straw powder, modified rice hull powder, fly ash and ground steel slag powder. The adding proportion of the dry powder material is generally 0.1-0.3% of the dry weight mass ratio of the mud cake, and the type of the added material can be selected according to the subsequent treatment process.
As shown in fig. 3, the toothed steel plate grid 2 includes a plurality of first steel plates 21, second steel plates 22, and third steel plates 23 arranged in a staggered manner; the spike 24 is provided at the upper end of the first steel plate 21 and/or the second steel plate 22 and/or the third steel plate 23. In the embodiment, a plurality of first steel plates 21 are transversely arranged, a plurality of second steel plates 22 are obliquely arranged, and a plurality of third steel plates 23 are longitudinally arranged; wherein, the upper ends of the first steel plate 21 and the second steel plate 22 are respectively provided with a plurality of spine parts 24, and the third steel plate 23 mainly has the supporting and reinforcing function, so that the strength of the toothed steel plate grid 2 is improved. The spike 24 is made of a high hardness alloy steel material. The distance between the spikes 24 on the same first steel plate 21 or second steel plate 22 is between 10-15 cm. The distance between the adjacent first steel plates 21 is 20-30 cm, the distance between the adjacent third steel plates 23 is 100-150 cm, and the height of the third steel plates 23 can be 15-20 cm. The height of the specific tooth-shaped steel plate grating 2 can be adjusted according to the height of mud cakes discharged.
As shown in fig. 3, the cross section of the partition plate 25 is in an inverted V shape, that is, each partition plate 25 may be formed by connecting two inclined plate bodies with upper ends connected and lower ends separated, an included angle between the two inclined plate bodies may be between 45 to 60 degrees, and of course, the included angle between the two inclined plate bodies may also be adjusted correspondingly according to the sizes of other components; the dividing plates 25 are two in the embodiment, the cavity of the mud cake feeding bin 1 below the dividing plates 25 is divided into a central crushing cavity in the middle and shaft side crushing cavities on two sides by the two dividing plates 25, and the two dividing plates 25 are respectively positioned above the driving shaft 12 and the driven shaft 13. The surface of the partition plate 25 is coated with a metal polymer composite anti-sticking layer. The polymer material in the metal polymer composite anti-sticking layer can be ultra-high molecular weight polyethylene or/and polytetrafluoroethylene. The separated feeding device 3 can guide the primarily broken mud cakes into the central crushing cavity and the shaft edge crushing cavity in batches, so that the mud cakes are prevented from being accumulated on the driving shaft 12 and the driven shaft 13, and the crushing efficiency is improved.
As shown in fig. 4 and 5, the toothed double-roll crusher 5 comprises a driving shaft 12 and a driven shaft 13 which are matched with each other, and a blade 11 fixed on the driving shaft 12 and the driven shaft 13; the surfaces of the driving shaft 12 and the driven shaft 13 are coated with polymer anti-sticking layers to avoid the adhesion of mud cakes; the material of the blade 11 can be high manganese steel or one of special carbon steel (chrome steel, manganese steel), the blade 11 includes the knife ring and a plurality of tool bits evenly arranged along the circumference of the knife ring, the knife ring and the tool bits can be an integrated structure, a plurality of knife rings are respectively sleeved and fixed on the driving shaft 12 and the driven shaft 13 at intervals, and the knife rings on the driving shaft 12 and the driven shaft 13 are arranged in a staggered way; the drive mechanism is connected to the drive shaft 12. The toothed double-roller crusher 5 also comprises a case 9 and a connecting belt 14; the driving shaft 12 and the driven shaft 13 are horizontally arranged in the case 9 and are connected through a connecting belt 14 arranged outside the case 9; the inner wall of the case 9 is provided with a fixed knife 10 matched with the blade 11, and the fixed knife 10 and the blade 11 are arranged in a staggered mode. The driving mechanism comprises a driving motor 6, a speed reducer 7 and a coupling 8 which are connected in sequence; the coupling 8 is connected with a driving shaft 12.
In addition, the crushing device of the embodiment further comprises a belt conveyor, and a belt of the belt conveyor is arranged below the toothed double-roller crusher 5. The mud cakes after the secondary crushing are transmitted to a lower-level processing unit or a mud cake storage yard by a belt conveyer below the toothed double-roller crusher 5.
Adopt the device of this embodiment to carry out crushing treatment to municipal sludge plate and frame filter-pressing dewatering mud cake that moisture content is 65%, concrete mode is as follows: the large block-shaped dehydrated mud cake freely falls through the lower part of the hopper of the plate-and-frame filter press and enters a mud cake feeding bin 1, and the free falling height is 100 cm. The mud cakes are primarily crushed into strips with the size of about 20cm through the toothed steel plate grating 2, the strips are divided into three parts by the separating feeding device 3 and are sent to the toothed double-roller crusher 5 below, the modified straw powder with the dry weight ratio of 0.1-0.3% is synchronously sprayed by the dry powder spraying device 4 in the discharging process, the mud cakes can be effectively prevented from being agglomerated, and the toothed double-roller crusher 5 realizes secondary crushing of the mud cakes through shearing and stretching. The crushed mud cake has regular shape and further reduced water content, and is sent to a stirrer through a belt conveyer to be used as a composting raw material.
The device of this embodiment is adopted to carry out crushing treatment to the dewatered mud cake of river and lake desilting mud plate frame filter-pressing moisture content 40%, and the concrete mode is as follows: the large block-shaped dehydrated mud cake freely falls through the lower part of the hopper of the plate-and-frame filter press and enters a mud cake feeding bin 1, and the free falling height is 1.5 m. The mud cake is primarily crushed into strips with the size of about 30cm through the toothed steel plate grating 2, the strips are divided into three parts through the separating feeding device 3 and are sent to the toothed double-roller crusher 5 below, the fly ash with the dry weight ratio of 0.1-0.3% is synchronously sprayed by the dry powder spraying device 4 in the discharging process, the mud cake can be effectively prevented from agglomerating, and the toothed double-roller crusher 5 realizes secondary crushing of the mud cake through shearing and stretching. The crushed mud cake has regular shape and further reduced water content, and is conveyed to a stirrer through a belt conveyor to be used as engineering recycling filling.
Claims (9)
1. The utility model provides a hierarchical breaker of plate frame filter-pressing dehydration mud cake which characterized in that: comprises a mud cake feeding bin (1), a toothed steel plate grating (2), a separated feeding device (3), a dry powder spraying device (4), a toothed double-roller crusher (5) and a driving mechanism; the toothed steel plate grating (2) and the separated feeding device (3) are sequentially arranged in the mud cake feeding bin (1) from top to bottom at intervals; the toothed steel plate grating (2) is provided with a spine part (24); the separated feeding device (3) comprises a plurality of separating plates (25) which are horizontally arranged at intervals; the dry powder spraying device (4) is arranged below the partition plate (25); the dry powder injection device (4) is connected with a powder conveying system; the toothed double-roller crusher (5) is positioned below the dry powder spraying device (4); the toothed double-roll crusher (5) comprises a driving shaft (12) and a driven shaft (13) which are matched with each other, and blades (11) fixed on the driving shaft (12) and the driven shaft (13); the driving mechanism is connected with the driving shaft (12).
2. The plate-frame filter-pressing dewatering mud cake grading and crushing device according to claim 1, characterized in that: the dry powder spraying device (4) comprises a spraying opening (15); the powder conveying system comprises a blower (16), an ejector (17), an air locking and dividing wheel (18), a feeding bin (19) and a PLC (programmable logic controller) control system (20); the ejector (17) comprises an air inlet end, a feeding hole and a discharging hole; the blower (16) is communicated with the air inlet end of the ejector (17); the injection port (15) is communicated with a discharge hole of the ejector (17); the feeding bin (19) is communicated with the air locking dividing wheel (18); the air locking dividing wheel (18) is communicated with a feed inlet of the ejector (17); the PLC control system (20) is electrically connected with the blower (16) and the wind locking and dividing wheel (18) respectively.
3. The plate-frame filter-pressing dewatering mud cake grading and crushing device according to claim 1, characterized in that: the toothed steel plate grid (2) comprises a plurality of first steel plates (21), second steel plates (22) and third steel plates (23) which are arranged in a staggered mode; the spine part (24) is arranged at the upper end of the first steel plate (21), the second steel plate (22) and/or the third steel plate (23).
4. The plate-frame filter-pressing dewatering mud cake grading and crushing device according to claim 1, characterized in that: the cross section of the partition plate (25) is in an inverted V shape; the partition plate (25) is positioned above the driving shaft (12) and the driven shaft (13).
5. The plate-frame filter-pressing dewatering mud cake grading and crushing device according to claim 4, characterized in that: and the surface of the partition plate (25) is coated with a metal polymer composite anti-sticking layer.
6. The plate-frame filter-pressing dewatering mud cake grading and crushing device according to claim 1, characterized in that: the mud cake feeding bin (1) comprises a vertical section and a closing section arranged at the lower end of the vertical section; the toothed steel plate grating (2) is horizontally arranged in the vertical section; the separated feeding device (3) is horizontally arranged in the closing-in section.
7. The plate-frame filter-pressing dewatering mud cake grading and crushing device according to claim 1, characterized in that: the toothed double-roller crusher (5) also comprises a case (9) and a connecting belt (14); the driving shaft (12) and the driven shaft (13) are horizontally arranged in the case (9) and are connected through a connecting belt (14) arranged outside the case (9); and a fixed knife (10) matched with the blade (11) is arranged on the inner wall of the case (9).
8. The plate-frame filter-pressing dewatering mud cake grading and crushing device according to claim 1, characterized in that: the driving mechanism comprises a driving motor (6), a speed reducer (7) and a coupling (8) which are connected in sequence; the coupler (8) is connected with the driving shaft (12).
9. The plate-frame filter-pressing dewatering mud cake grading and crushing device according to claim 1, characterized in that: the crushing device further comprises a belt conveyor, and a belt of the belt conveyor is arranged below the toothed double-roller crusher (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922279722.6U CN212383841U (en) | 2019-12-18 | 2019-12-18 | Plate frame filter-pressing dewatering mud cake grading crushing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922279722.6U CN212383841U (en) | 2019-12-18 | 2019-12-18 | Plate frame filter-pressing dewatering mud cake grading crushing device |
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| CN212383841U true CN212383841U (en) | 2021-01-22 |
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| CN201922279722.6U Active CN212383841U (en) | 2019-12-18 | 2019-12-18 | Plate frame filter-pressing dewatering mud cake grading crushing device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112979132A (en) * | 2021-02-23 | 2021-06-18 | 张丽 | Waste residue processing apparatus for sewage treatment |
| CN113441219A (en) * | 2021-07-28 | 2021-09-28 | 广东新环机电装备制造有限公司 | Mud cake crushing device |
| CN115321037A (en) * | 2022-08-15 | 2022-11-11 | 景津装备股份有限公司 | Power-free mud discharging assisting device for crushing filter cake and preventing re-bonding and mud storage loading hopper |
| CN115745357A (en) * | 2022-11-17 | 2023-03-07 | 安徽金禾实业股份有限公司 | Sludge drying feeding device and using method thereof |
-
2019
- 2019-12-18 CN CN201922279722.6U patent/CN212383841U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112979132A (en) * | 2021-02-23 | 2021-06-18 | 张丽 | Waste residue processing apparatus for sewage treatment |
| CN113441219A (en) * | 2021-07-28 | 2021-09-28 | 广东新环机电装备制造有限公司 | Mud cake crushing device |
| CN115321037A (en) * | 2022-08-15 | 2022-11-11 | 景津装备股份有限公司 | Power-free mud discharging assisting device for crushing filter cake and preventing re-bonding and mud storage loading hopper |
| CN115745357A (en) * | 2022-11-17 | 2023-03-07 | 安徽金禾实业股份有限公司 | Sludge drying feeding device and using method thereof |
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