CN209934166U - Non-abrasion stacked spiral sludge dewatering machine - Google Patents
Non-abrasion stacked spiral sludge dewatering machine Download PDFInfo
- Publication number
- CN209934166U CN209934166U CN201920528092.9U CN201920528092U CN209934166U CN 209934166 U CN209934166 U CN 209934166U CN 201920528092 U CN201920528092 U CN 201920528092U CN 209934166 U CN209934166 U CN 209934166U
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- square steel
- steel frame
- movable ring
- abrasion
- connecting rod
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- Withdrawn - After Issue
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- 239000010802 sludge Substances 0.000 title claims abstract description 49
- 238000005299 abrasion Methods 0.000 title claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 238000000926 separation method Methods 0.000 claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 55
- 239000010959 steel Substances 0.000 claims description 55
- 238000005096 rolling process Methods 0.000 claims description 12
- 230000000712 assembly Effects 0.000 claims description 10
- 238000000429 assembly Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 3
- 239000010865 sewage Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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- Treatment Of Sludge (AREA)
Abstract
The utility model belongs to the technical field of sewage treatment, in particular to a non-abrasion stacked screw type sludge dewatering machine, which comprises a frame, wherein the left side and the right side of the frame are respectively provided with a fixed plate, a solid-liquid separation device is arranged between the left fixed plate and the right fixed plate, the outer side of the left fixed plate is provided with a sludge outlet, the outer side of the right fixed plate is provided with a sludge inlet, the left side of the sludge outlet is provided with a speed reduction motor, the middle part of the solid-liquid separation device is provided with a support plate, the solid-liquid separation device comprises a screw shaft filter disc group, the screw shaft is driven to rotate by the speed reduction motor, the filter disc group comprises a plurality of movable rings and fixed rings which are arranged at intervals in sequence, the plurality of fixed rings are fixedly connected through fixed ring connecting rods arranged on the fixed plates at the left side and the right side, the upper part of the solid-liquid separation device, but also solves the problem that the eccentric force of the movable ring connecting rod can not be balanced in the non-abrasion movement process of the screw stacking machine.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, especially, relate to a spiral shell formula sludge dewaterer is folded in no wearing and tearing.
Background
Sludge dewatering is an important part of sludge treatment. Common sludge dewatering equipment includes a plate and frame filter press, a belt filter press, a centrifugal filter and the like besides a stacked screw type sludge dewatering machine; compared with the stacked screw sludge dewatering machine, the stacked screw sludge dewatering machine has the following advantages: 1. the unique structure ensures that the equipment is not easy to be blocked by sludge, and the powerful cleaning is not needed for preventing the filter seams from being blocked, thereby solving the blocking problem of the traditional sludge treatment equipment, having compact equipment design and reducing the occupied space and the construction cost; 2. the equipment has low power consumption, convenient installation, stable and timely treatment and little odor in sludge treatment, and improves the working environment of workers; 3. the automatic control system runs automatically, saves manpower, is simple to maintain and has low noise; 4. the cleaning water is less, and compared with a belt filter press, the water is saved; therefore, the spiral shell stacking machine is widely applied to sludge dewatering treatment.
The main body of the screw stacking machine is a device in which a movable ring and a fixed ring are mutually stacked, and a screw shaft penetrates through the movable ring and the fixed ring. When the screw shaft rolls, the multiple fixed lamination sheets arranged on the periphery of the propelling shaft move relatively, after a certain time of use, the contact part of the movable ring and the screw shaft is damaged due to long-time friction, the dehydration efficiency of the screw stacking machine is reduced, and the equipment cannot be normally used. In order to solve the problem of abrasion, the document with the application number of 201420202348.4 proposes that a moving plate is arranged between every two adjacent fixed plates of the device, a moving plate driving disc is arranged on an eccentric wheel, and the eccentric wheel is connected with a spiral shaft through a key; because the moving plate and the screw shaft do not contact with each other and move, direct abrasion is avoided, the service life of the moving plate is prolonged, maintenance cost is saved, when the cam device drives the moving plate supporting shaft to drive the moving plate to swing around the center of the screw shaft, the pitch of the screw shaft blade is not limited, the pitch can be reduced to a greater extent, the compression ratio is improved, and the water content of mud cakes is reduced; but the problem that the eccentric force of the movable ring connecting rod cannot be balanced in the abrasion-free movement process of the screw stacking machine is not solved.
Disclosure of Invention
The utility model aims at providing a non-abrasion stacked screw type sludge dewatering machine which can prevent the serious abrasion problem between a movable ring of a stacked screw machine device and a screw shaft, so that the movable ring of the device does not move by means of the contact friction of the screw shaft; and the problems of over unbalanced stress caused by using one or more supporting shafts for all the moving rings and the stress and torque on the balancing shafts of the general non-abrasion screw stacking machine are solved.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
a non-abrasion stacked screw type sludge dewatering machine comprises a machine frame, wherein the left side and the right side of the machine frame are respectively provided with a fixed plate, a solid-liquid separation device is arranged between the left fixed plate and the right fixed plate, the outer side of the fixed plate at the left side is provided with a sludge outlet of the solid-liquid separation device, the outer side of the fixed plate at the right side is provided with a sludge inlet of the solid-liquid separation device, the left side of the sludge outlet is provided with a speed reduction motor, the middle part of the solid-liquid separation device is provided with a supporting plate, the solid-liquid separation device comprises a screw shaft and a filter disc group sleeved on the circumference of the screw shaft, the screw shaft is driven to rotate by the speed reduction motor, the filter disc group comprises a plurality of movable rings and fixed rings which are arranged at intervals in sequence, the plurality of fixed rings are fixedly connected through fixed ring connecting rods arranged, an eccentric wheel sleeved on the spline shaft and a rolling bearing sleeved outside the eccentric wheel, wherein a square steel frame is sleeved on the outer ring of the rolling bearing, two rolling wheels are respectively arranged on the side surface of the square steel frame, the rollers are fixedly connected with the frame, spline shafts of two adjacent reciprocating motion assemblies are connected through spline sleeves, eccentric wheels in adjacent reciprocating motion assemblies are arranged in opposite eccentric directions, bearing seats are also arranged on the left side and the right side of the frame, spline shafts on the left side and the right side of the moving ring reciprocating motion device are respectively arranged in the bearing seats, the spline shaft is driven by a speed reducing motor, the movable ring comprises a plurality of first movable ring groups and second movable ring groups, and the first movable ring group and the second movable ring group are alternately arranged at intervals, the distance between the mounting lugs of the movable rings of the first movable ring group is larger than that of the second movable ring group, each movable ring group is provided with two movable ring connecting rods, and each movable ring connecting rod is connected with the reciprocating motion assembly through a connecting rod.
Furthermore, square steel frame includes first square steel frame and the square steel frame of second, and first square steel frame and the square steel frame of second set up in proper order the interval, and every square steel frame bottom all is equipped with two installation ears, and just first square steel frame installation ear interval is greater than the square steel frame installation ear interval of second, the connecting rod includes first connecting rod and second connecting rod, and first connecting rod length is greater than the length of second connecting rod, and just first square steel frame links to each other with first rotating ring group through first connecting rod, and the square steel frame of second links to each other with second rotating ring group through the second connecting rod, and the slot has been seted up respectively to every square steel frame both sides face, and the length of slot is less than the height of square steel frame side, the gyro wheel joint is in the slot and is fixed in the frame with square steel frame.
Furthermore, a first gear is arranged on the left side of the spiral shaft, a second gear is arranged on the left spline shaft, the first gear is meshed with the second gear, and the spiral shaft is driven by the speed reduction motor to indirectly drive the first gear to rotate.
Further, the eccentric wheel comprises a first eccentric wheel and a second eccentric wheel, and the first eccentric wheel and the second eccentric wheel have the same outer diameter and opposite eccentric directions.
Furthermore, the length of the spline shaft on each spline shaft is larger than that of the spline housing, and the spline shaft and the spline housing are fixedly connected through bolts.
Furthermore, a mud outlet is also provided with a mud pressure plate.
Furthermore, a gasket is arranged between each fixed ring and each fixed ring, and the distance between every two adjacent fixed rings is larger than the thickness of the movable ring.
Furthermore, the number of the reciprocating motion assemblies is four, the number of the first movable ring group and the number of the second movable ring group are two respectively, and the filter disc group comprises 200 movable rings and 300 fixed rings respectively.
Furthermore, the spline shaft is connected with an eccentric wheel through a flat key, the eccentric wheel is provided with a wheel shoulder, and the spline shaft is sleeved in the eccentric wheel and is axially positioned through the wheel shoulder and the clamp spring.
The utility model has the advantages that:
1. because the filter disc group system is provided with 200 movable rings and 300 fixed rings respectively, because a plurality of connecting rods are used for stringing all the movable rings and making eccentric motion or up-and-down reciprocating motion, the connecting rods of the movable rings need to bear great force, and the shaft section needs to bear great torque, so that the connection is unreliable; therefore, in the application, the movable rings are divided into a plurality of first movable ring groups and a plurality of second movable ring groups, when the first movable ring groups move upwards, the adjacent second movable ring groups move downwards, meanwhile, one group of first movable ring groups move upwards, the other group of adjacent second movable ring groups move downwards, and so on;
2. in order to prevent mutual interference in movement, the movable ring, the eccentric wheel and the square steel frame are arranged into two groups of different forms, and the two groups are alternately arranged for use, so that the stress of the whole shaft is more balanced;
3. because the movable ring is mainly driven by the spline shaft in cooperation with the eccentric wheel, the friction between the movable ring and the spiral shaft is changed into rolling friction, the abrasion of equipment is greatly reduced, and because the motion directions of two adjacent reciprocating motion assemblies are opposite, the stress of the whole shaft can be balanced, and the service life of a spline shaft group is greatly prolonged;
4. because the length of spline on every integral key shaft is greater than the length of spline housing, integral key shaft and spline housing are connected fixedly through the bolt, and when a certain spare part became invalid in the reciprocating motion subassembly, can take out and change the spare part that damages through removing the spline housing, avoided carrying out dismantlement by a wide margin to whole equipment, easy maintenance.
Drawings
FIG. 1 is a three-dimensional structure view of the non-abrasion stacked screw type sludge dewatering machine of the present invention;
FIG. 2 is a structural diagram of a dewatering system and a rotating ring motion system of the non-abrasion stacked screw type sludge dewatering machine of the present invention;
FIG. 3 is a diagram showing a comparative structure of two adjacent eccentric wheels;
FIG. 4 is a diagram showing a comparative structure of two adjacent square frames according to the present invention;
FIG. 5 is a diagram showing a comparative structure of two adjacent movable rings;
FIG. 6 is a schematic view showing the fitting of two adjacent spline shafts and spline housings;
fig. 7 is a schematic diagram of the overall motion of the eccentric wheel set of the present invention;
FIG. 8 is a schematic view of the connection between the rectangular steel frame and the frame of the present invention;
fig. 9 is a schematic side view of the rectangular steel frame of the present invention.
1. A motor; 2. a gear; 2A, a first gear; 2B, a second gear; 3. a spline shaft; 4. a bearing seat; 5. a reciprocating device; 6. a sludge outlet; 7. a filter disc set; 8. a roller; 9. a sludge inlet; 10. an eccentric wheel; 10A, a first eccentric wheel; 10B, a second eccentric wheel; 11. a rolling bearing; 12. a rectangular steel frame; 12A, a first rectangular steel frame; 12B, a second rectangular steel frame; 13. a spline housing; 14. a stationary ring connecting rod; 15. fixing a ring; 16. a connecting rod; 16A, a first connecting rod; 16B, a second connecting rod; 17. a moving ring; 17A, a first movable ring group; 17B, a second movable ring group; 18. a rotating ring connecting rod; 19. a mud discharging pressing plate; 20. a fixing plate; 21. a bolt; 22. a screw shaft; 23. a frame; 24. and (4) a groove.
Detailed Description
As shown in the figure, the non-abrasion stacked screw type sludge dewatering machine comprises a frame 23, wherein the left side and the right side of the frame 23 are respectively provided with a fixed plate 20, a solid-liquid separation device is arranged between the left fixed plate 20 and the right fixed plate 20, the outer side of the left fixed plate 20 is provided with a sludge outlet 6 of the solid-liquid separation device, the sludge outlet 6 is also provided with a sludge pressure plate 19, the outer side of the right fixed plate 20 is provided with a sludge inlet 9 of the solid-liquid separation device, the left side of the sludge outlet 6 is provided with a speed reducing motor 1, the middle part of the solid-liquid separation device is provided with a support plate, the solid-liquid separation device comprises a screw shaft 22 and a filter disc group 7 sleeved on the circumference of the screw shaft 22, the screw shaft 22 is driven to rotate by the speed reducing motor 1, the filter disc group 7 comprises a plurality of movable rings 17 and fixed rings 15 which are sequentially arranged at intervals, the moving ring reciprocating device 5 comprises a plurality of reciprocating motion assemblies, each reciprocating motion assembly comprises a spline shaft 3, an eccentric wheel 10 sleeved on the spline shaft 3, the spline shaft 3 is connected with the eccentric wheel 10 through a flat key, the eccentric wheel 10 is provided with a wheel shoulder, the spline shaft 3 is sleeved in the eccentric wheel 10 and is axially positioned through the wheel shoulder and a clamp spring, and a rolling bearing 11 sleeved outside the eccentric wheel 10, the outer ring of the rolling bearing 11 is sleeved with a square steel frame 12, the side surface of the square steel frame 12 is respectively provided with two rollers 8, the rollers 8 are fixedly connected with a rack 23, the spline shafts 3 of two adjacent reciprocating motion assemblies are connected through spline sleeves 13, the eccentric wheels 10 in the adjacent reciprocating motion assemblies are arranged in opposite eccentric directions, namely the eccentric wheel 10 comprises a first eccentric wheel 10A and a second eccentric wheel 10B, the outer diameters of the first eccentric wheel 10A and the second eccentric wheel 10B are the same and the eccentric, the left side and the right side of the rack 23 are also provided with bearing seats 4, the spline shafts 3 on the left side and the right side of the moving ring reciprocating motion device 5 are respectively arranged in the bearing seats 4, the spline shafts 3 are indirectly driven by a reduction motor 1, specifically, the left side of a spiral shaft 22 is provided with a first gear 2A, the left side spline shaft 3 is provided with a second gear 2B, the first gear 2A is meshed with the second gear 2B, the spiral shaft 22 is driven by the reduction motor 1 to indirectly drive the first gear 2A to rotate, the first gear 2A drives the second gear 2B to drive the spline shafts 3 to rotate, the moving ring 17 comprises a plurality of first moving ring groups 17A and second moving ring groups 17B, the first moving ring groups 17A and the second moving ring groups 17B are alternately arranged at intervals, the distance between the mounting lugs of the moving ring of the first moving ring group 17A is larger than that between the mounting lugs of the moving ring of the second moving ring group 17B, each moving ring group is provided with two moving ring connecting, each rotating ring connecting rod 18 is connected with the reciprocating component through a connecting rod 16; further, the square steel frame 12 comprises a first square steel frame 12A and a second square steel frame 12B, the first square steel frame 12A and the second square steel frame 12B are sequentially arranged at intervals, two mounting lugs are arranged at the bottom of each square steel frame 12, the distance between the mounting lugs of the first square steel frame 12A is larger than that between the mounting lugs of the second square steel frame 12B, the connecting rod 16 comprises a first connecting rod 16A and a second connecting rod 16B, the length of the first connecting rod 16A is larger than that of the second connecting rod 16B, the first square steel frame 12A is connected with the first movable ring group 17A through the first connecting rod 16A, the second square steel frame 12B is connected with the second movable ring group 17B through the second connecting rod 16B, a groove 24 is respectively arranged on two side faces of each square steel frame 12, the length of the groove 24 is smaller than the height of the side face of the square steel frame 12, namely, the two ends of the groove 24 are not through the top and the bottom of the side face of the square steel frame 12, the roller 8 is clamped in the groove 24 and fixes the square steel frame 12 on the frame 23 through bolts and angle irons; furthermore, the length of the spline on each spline shaft 3 is greater than that of the spline housing 13, and the spline shafts 3 and the spline housings 13 are fixedly connected through bolts 21, so that the arrangement aims to take out and replace damaged parts by moving the spline housings when one part in the reciprocating motion assembly fails, thereby avoiding great disassembly of the whole device and facilitating maintenance; furthermore, a gasket is arranged between each fixed ring 15 and each fixed ring 15, and the distance between every two adjacent fixed rings 15 is greater than the thickness of the movable ring 17; furthermore, the number of the reciprocating components is four, two first movable ring groups 17A and two second movable ring groups 17B are sequentially and alternately arranged, and the filter disc group 7 has 200 movable rings 17 and 300 fixed rings 15.
When the sludge dewatering device is used specifically, firstly, a sewage mixture enters the sludge dewatering device through the sludge inlet 9, the driving motor 1 drives the screw shaft 22 to rotate, the screw shaft 22 pushes sludge from the sludge inlet 9 to the sludge outlet 6, the sludge is pressed into a mud cake through reduction of the screw pitch of the screw shaft 22 and is discharged, and in the process, the sludge can possibly cause blockage of gaps of the filter disc group 7, so that a plurality of groups of movable ring reciprocating motion assemblies are added, the driving force of the motor is transmitted to the spline shaft 3 through the gear 2, the spline shaft 3 is connected with the eccentric wheel 10 through the flat key, the eccentric wheel 10 performs eccentric motion to drive the rolling bearing 11 to perform eccentric motion, the freedom degree of the square steel frame 12 is limited by the roller 8, and the rolling bearing 11 drives the square steel frame 12 to. The square steel frame 12 is connected with the movable ring 17 through the connecting rod 16 and the movable ring connecting rod 18 to drive the movable ring 17 to do up-and-down reciprocating motion, and because the eccentric directions of the two adjacent first eccentric wheels 10A and the second eccentric wheels 10B are opposite, the eccentric motion directions of the two adjacent movable ring moving assemblies are also opposite, so that the stress of the whole spline shaft set is balanced, and the service life of the spline shaft set is greatly prolonged; because the length of the spline part on each spline shaft 3 is slightly greater than the length of the spline housing 13, under the normal connection condition, the spline housing 13 is connected with the two spline shafts 3 through the bolts 21, when the eccentric wheel 10 or the rolling bearing 11 on a certain shaft section breaks down, the spline housing 13 can be moved to one side, the damaged shaft section is taken out and maintained, and the whole device is prevented from being largely disassembled.
Claims (9)
1. The utility model provides a spiral shell formula sludge dewaterer is folded in no wearing and tearing, includes the frame, and the frame left and right sides is equipped with a fixed plate respectively, controls and is equipped with solid-liquid separation equipment between two fixed plates, and the left side fixed plate outside is equipped with solid-liquid separation equipment's play mud mouth, and the right side fixed plate outside is equipped with solid-liquid separation equipment's mud inlet, and it is equipped with gear motor to go out mud mouth left side, and solid-liquid separation equipment middle part is equipped with the backup pad, solid-liquid separation equipment includes the screw axis and cup joints the filter disc group in the screw axis circumference, the screw axis is rotatory by gear motor drive, a plurality of rotating rings and the stationary ring that the filter disc group set up including the interval in proper order: the upper part of the solid-liquid separation device is provided with a movable ring reciprocating device, the movable ring reciprocating device comprises a plurality of reciprocating components, each reciprocating component comprises a spline shaft, an eccentric wheel sleeved on the spline shaft and a rolling bearing sleeved outside the eccentric wheel, the outer ring of the rolling bearing is sleeved with a square steel frame, two rollers are respectively arranged on the side surface of the square steel frame, the rollers are fixedly connected with the frame, the spline shafts of two adjacent reciprocating components are connected through spline sleeves, the eccentric directions of the eccentric wheels in the adjacent reciprocating components are opposite, the left side and the right side of the frame are also provided with bearing seats, the spline shafts on the left side and the right side of the movable ring reciprocating device are respectively arranged in the bearing seats, the spline shafts are driven by a speed reducing motor, the movable ring comprises a first movable ring group and a second movable ring group, and the first movable ring group and the second movable ring group are alternately arranged, the installation ear interval of the first rotating ring group rotating ring is larger than that of the second rotating ring group rotating ring, each group of rotating rings is provided with two rotating ring connecting rods, and each rotating ring connecting rod is connected with the reciprocating motion assembly through a connecting rod.
2. The non-abrasion stacked-screw sludge dewatering machine according to claim 1, wherein: the square steel frame comprises a first square steel frame and a second square steel frame, the first square steel frame and the second square steel frame are arranged at intervals in sequence, two installation lugs are arranged at the bottom of each square steel frame, the distance between the installation lugs of the first square steel frame is larger than that between the installation lugs of the second square steel frame, the connecting rod comprises a first connecting rod and a second connecting rod, the length of the first connecting rod is larger than that of the second connecting rod, the first square steel frame is connected with the first movable ring group through the first connecting rod, the second square steel frame is connected with the second movable ring group through the second connecting rod, grooves are formed in the two side faces of each square steel frame respectively, the length of each groove is smaller than the height of the side face of each square steel frame, and the idler wheels are clamped in the grooves and fix the square steel frames in the rack.
3. The non-abrasion stacked-screw sludge dewatering machine according to claim 2, wherein: the left side of the spiral shaft is provided with a first gear, the left spline shaft is provided with a second gear, the first gear is meshed with the second gear, and the spiral shaft is driven by the speed reduction motor to indirectly drive the first gear to rotate.
4. The non-abrasion stacked-screw sludge dewatering machine according to claim 3, wherein: the eccentric wheel comprises a first eccentric wheel and a second eccentric wheel, and the first eccentric wheel and the second eccentric wheel are identical in outer diameter and opposite in eccentric direction.
5. The non-abrasion stacked-screw sludge dewatering machine according to claim 4, wherein: the length of the spline shaft on each spline shaft is larger than that of the spline housing, and the spline shaft and the spline housing are fixedly connected through bolts.
6. The non-abrasion stacked-screw sludge dewatering machine according to claim 5, wherein: and a mud outlet pressing plate is also arranged at the mud outlet.
7. The non-abrasion stacked-screw sludge dewatering machine according to claim 6, wherein: and a gasket is arranged between each fixed ring and each fixed ring, and the distance between every two adjacent fixed rings is greater than the thickness of the movable ring.
8. The non-abrasion stacked-screw sludge dewatering machine according to claim 7, wherein: the number of the reciprocating motion assemblies is four, the number of the first movable ring group and the number of the second movable ring group are two respectively, and the filter disc group comprises 200 movable rings and 300 fixed rings respectively.
9. The non-abrasion stacked-screw sludge dewatering machine according to claim 8, wherein: the spline shaft is connected with the eccentric wheel through a flat key, the eccentric wheel is provided with a wheel shoulder, and the spline shaft is sleeved in the eccentric wheel and is axially positioned through the wheel shoulder and the clamp spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920528092.9U CN209934166U (en) | 2019-04-18 | 2019-04-18 | Non-abrasion stacked spiral sludge dewatering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920528092.9U CN209934166U (en) | 2019-04-18 | 2019-04-18 | Non-abrasion stacked spiral sludge dewatering machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209934166U true CN209934166U (en) | 2020-01-14 |
Family
ID=69128516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920528092.9U Withdrawn - After Issue CN209934166U (en) | 2019-04-18 | 2019-04-18 | Non-abrasion stacked spiral sludge dewatering machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209934166U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109908636A (en) * | 2019-04-18 | 2019-06-21 | 郑州国研环保科技有限公司 | A kind of non-abrasion overlapped spiral type sludge dewatering machine |
-
2019
- 2019-04-18 CN CN201920528092.9U patent/CN209934166U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109908636A (en) * | 2019-04-18 | 2019-06-21 | 郑州国研环保科技有限公司 | A kind of non-abrasion overlapped spiral type sludge dewatering machine |
| CN109908636B (en) * | 2019-04-18 | 2024-01-19 | 郑州国研环保科技有限公司 | Abrasion-free spiral-type sludge dewatering machine |
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