CN218011484U - Rotary drum grating machine for sewage treatment - Google Patents
Rotary drum grating machine for sewage treatment Download PDFInfo
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- CN218011484U CN218011484U CN202221595528.4U CN202221595528U CN218011484U CN 218011484 U CN218011484 U CN 218011484U CN 202221595528 U CN202221595528 U CN 202221595528U CN 218011484 U CN218011484 U CN 218011484U
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Abstract
The utility model provides a rotary drum grille machine for sewage treatment, including the center tube, the fixed gear motor that is provided with in upper end of center tube, the center tube internal rotation is provided with the transport assembly who is connected with the gear motor transmission, center tube outside intercommunication and fixed being provided with squeeze the subassembly, the outside of center tube lower part is rotated and is provided with the rotary drum assembly, the fixed breakwater that is provided with in bottom of rotary drum assembly, the rotary drum assembly outside is provided with the brush subassembly, the top intercommunication of center tube is provided with the collection sediment fill corresponding with the brush subassembly, the bottom of center tube is provided with supporting component and slag notch, borrows this, the utility model has the advantages of intensity is high, can compromise carrying and outer row of big or small rubbish.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment device, in particular to a rotary drum grille machine for sewage treatment.
Background
At present, in the sewage treatment industry, a rotary drum grating machine is generally adopted as a membrane grating, and the rotary drum grating machine is mainly used in municipal sewage and industrial wastewater treatment engineering to remove floating objects in water, intercept floating objects with heavy water or separate impurities and remove small suspended matters in sewage.
However, in practical application, the user cannot effectively control the water quality entering the drum grid machine, and a large amount of large particles and sharp garbage enter the equipment, and these impurities usually deposit at the bottom of the equipment, which causes the problems that the garbage cannot be discharged outside and the filter screen is damaged in the using process of the equipment.
SUMMERY OF THE UTILITY MODEL
The utility model provides a rotary drum grid machine for sewage treatment has solved the outer cracked problem of arranging of rubbish in the equipment use, filter screen damage, the dead of staff card.
The technical scheme of the utility model is realized like this: the utility model provides a rotary drum grating machine for sewage treatment, including the center tube, the fixed gear motor that is provided with in upper end of center tube, the center tube internal rotation is provided with the conveying subassembly of being connected with the gear motor transmission, center tube outside intercommunication and fixed the being provided with squeeze the subassembly, the outside of center tube lower part is rotated and is provided with the rotary drum assembly, the fixed breakwater that is provided with in bottom of rotary drum assembly, the rotary drum assembly outside is provided with the brush subassembly, the top intercommunication of center tube is provided with the collection sediment fill corresponding with the brush subassembly, the bottom of center tube is provided with supporting component and slag notch.
As a preferred embodiment, the rotary drum assembly includes the screen cloth in the outside, the screen cloth is cylindricly, the fixed back supporting ring that is provided with in bottom of screen cloth, one side that back supporting ring deviates from the screen cloth is perpendicular and the fixed round water conservancy diversion outer loop that is provided with, inner wall of the screen cloth is along the fixed square pipe stull that is provided with of its axial direction, square pipe stull surface is perpendicular and the fixed material blade of taking that is provided with a plurality of evenly distributed, the fixed transmission frame that is provided with in center department of water conservancy diversion outer loop, the fixed stiffening rib that is provided with between the outside of transmission frame and the water conservancy diversion outer loop.
As a preferred embodiment, the conveying subassembly includes the center pin, center pin surface from the bottom up welds in proper order around being equipped with auger blade and variable pitch auger blade, variable pitch auger blade is located and squeezes subassembly and center tube intercommunication department, the interval sets up between the upper end of variable pitch auger blade and the upper end of center pin, gear motor has the spindle nose, pass through ring flange fixed connection between center pin and the spindle nose, the right-hand member of center pin is worn out and is rotated the seat setting, the fixed stopping nut that is provided with in right-hand member department that the transmission seat was worn out to the center pin.
As a preferred embodiment, the squeezing assembly comprises a squeezing pipe which is communicated and fixedly arranged on the outer side of the central pipe, the squeezing pipe is positioned on the top side and the bottom side of the central pipe and is respectively communicated with a backwashing valve group and a backflow hose, one end of the backwashing valve group, which is far away from the squeezing pipe, is communicated with a high-pressure hose, one end of the high-pressure hose, which is far away from the backwashing valve group, is communicated with a backwashing pipe group, the backwashing pipe group is positioned on the outer side of the screen, the slag hole is positioned between the squeezing pipe and the speed reduction motor, and the bottom of the slag hole is communicated with the central pipe.
As a preferred embodiment, the support component comprises an adjustable leg and a support beam, the adjustable leg and the support beam are located between the slag hole and the drum assembly, a clamp is fixedly arranged on the outer side of the central tube, the adjustable leg is rotatably arranged at the bottom of the clamp, the support beam is vertically and fixedly arranged at the bottom of the central tube, and beam fixing seats are fixedly arranged at two ends of the support beam respectively.
As a preferred embodiment, a flow guide inner ring is fixedly arranged at the center of the water baffle, a flow guide outer ring is sleeved outside the flow guide inner ring, telescopic plates are movably arranged on the left side and the right side of the water baffle respectively, a fixed plate is fixedly arranged on the outer side of the central tube along the circumferential direction of the central tube, and the left end of the screen is rotatably arranged on the outer side of the fixed plate.
As a preferred embodiment, a plurality of uniformly distributed riding wheel seats are fixedly arranged on the fixing plate, a front supporting ring at one end is fixedly arranged at the left end of the screen, a circle of flow guide ring is fixedly arranged at one side of the front supporting ring opposite to the central tube, a towing wheel is rotatably arranged at one side of the riding wheel seat opposite to the flow guide ring, and the surface of the towing wheel is in contact with the surface of the flow guide ring.
As a preferred implementation mode, the brush assembly comprises a brush, a sliding groove support and a sliding groove seat, the sliding groove support is fixedly arranged on the fixing plate, the sliding groove seat is fixedly connected with the water baffle, the brush is fixedly arranged between the sliding groove support and the sliding groove seat, the brush is in contact with the surface of the screen, and the backwashing assembly is fixedly connected with the sliding groove support.
As a preferred embodiment, the lower end of the central tube is fixedly provided with a porous fixed disk, the outer side of the central tube is sleeved with a nylon sleeve, the outer side of the nylon sleeve is fixedly sleeved with a nylon sleeve seat, and the nylon sleeve seat is fixedly connected with the porous fixed disk.
After the technical scheme is adopted, the beneficial effects of the utility model are that:
1. the rotary drum grating machine integrates conveying, dewatering and squeezing into a whole through the design of three subareas of an equidistant conveying area, a variable-pitch dewatering area and a gravity squeezing area, and has good dewatering effect;
2. suspended matters in water are intercepted in the rotary drum assembly, wherein the smaller suspended matters are attached to the inner wall of the rotary drum assembly, the suspended matters are brought to the top of the equipment along with the rotation of the rotary drum assembly, the suspended matters are cleaned through the hairbrush assembly and washed through the backwashing pipe group in the squeezing assembly and fall into the slag collecting hopper, larger garbage is carried to the top of the equipment through the material carrying blades, the larger garbage is cleaned through the hairbrush assembly and washed through the backwashing pipe group in the squeezing assembly and falls into the slag collecting hopper, and therefore the equipment can simultaneously take the large garbage and the small garbage into consideration for carrying and discharging;
3. the center shaft passes through the ring flange with gear motor's spindle nose and is connected for it is comparatively convenient to change the maintenance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic view of the present invention;
fig. 2 is a schematic structural view of another view angle of the present invention;
fig. 3 is a schematic cross-sectional view of the present invention;
FIG. 4 is a schematic structural view of a drum assembly of the present invention;
fig. 5 is a rear side structure view of fig. 4.
In the figure, 1-a gear motor; 2-fixing a flange; 3-hoisting rings; 4-a slag outlet; 5-a press pipe; 6-adjustable support legs; 7, clamping a hoop; 8-a backwash valve group; 9-a central tube; 10-beam fixing seat; 11-a support beam; 12-a drum assembly; 121-screen mesh; 122-rear support ring; 123-a flow guide outer ring; 124-square tube cross brace; 125-material carrying blades; 126-reinforcing ribs; 127-a transmission seat; 128-front support ring; 129-pulling hoop; 13-a high pressure hose; 14-a chute support; 15-backwashing the pipe group; 16-a brush; 17-a water baffle; 18-a chute base; 19-a retractable plate; 20-a flow guide inner ring; 21-central axis; 22-retaining nut; 23-a tug wheel seat; 24-a tug; 25-a return hose; 26-a viewing port; 27-a shaft head; 28-auger blade; 29-variable pitch auger blade; a 30-nylon sleeve; 31-nylon sleeve seat; 32-a slag collection hopper; 33-a porous fixed disk; 34-a fixed plate; 35-a front support ring; 36-guide ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 to 5, a rotary drum grating machine for sewage treatment comprises a central tube, a speed reduction motor is fixedly arranged at the upper end of the central tube, a conveying component in transmission connection with the speed reduction motor is arranged in the central tube in a rotating manner, a squeezing component is fixedly arranged and communicated with the outer side of the central tube, a rotary drum assembly is rotatably arranged on the outer side of the lower portion of the central tube, a water baffle is fixedly arranged at the bottom of the rotary drum assembly, a brush component is arranged on the outer side of the rotary drum assembly, a slag collecting hopper corresponding to the brush component is arranged and communicated with the top of the central tube, and a supporting component and a slag outlet are arranged at the bottom of the central tube.
The rotary drum assembly includes the screen cloth in the outside, the screen cloth is cylindricly, the fixed back supporting ring that is provided with of lower extreme of screen cloth, one side that back supporting ring deviates from the screen cloth is perpendicular and the fixed round water conservancy diversion outer loop that is provided with, the fixed square pipe stull that is provided with of its axial direction of screen cloth inner wall, square pipe stull surface is perpendicular and fixed to be provided with a plurality of evenly distributed's the material blade of taking, the fixed transmission seat that is provided with in center department of water conservancy diversion outer loop, the fixed stiffening rib that is provided with between the outside of transmission seat and the water conservancy diversion outer loop.
The rotary drum grating machine is arranged in a water channel through a supporting component, a water baffle is positioned in the water channel and is adaptive to the width of the water channel, water with garbage enters the rotary drum assembly from the right end of the rotary drum assembly, namely the water baffle, the water flows out from the left end of the rotary drum assembly through the rotary drum assembly, suspended matters in the water are intercepted in the rotary drum assembly, wherein small suspended matters are attached to the inner wall of the rotary drum assembly, the suspended matters are brought to the top of the equipment along with the rotation of the rotary drum assembly, and are cleaned through a brush component and washed through a back flushing pipe group in a squeezing component and fall into a slag collecting hopper; the large garbage is carried to the top of the equipment through the material carrying blades, the large garbage is cleaned through the hairbrush component, the brush component washes the back flushing pipe group in the squeezing component, the large garbage falls into the slag collecting hopper, and the garbage falling into the slag collecting hopper is conveyed to the slag outlet through the conveying component to be discharged; meanwhile, the sharp impurities are carried to the top of the rotary drum assembly and then fall into the slag collecting hopper by the material carrying blades arranged inside the rotary drum assembly, and the problem that the rotary drum assembly scratches a filter screen of the rotary drum assembly due to the fact that the sharp impurities are deposited at the bottom of the rotary drum assembly in the long-time rotating process of the rotary drum assembly is avoided.
The conveying assembly comprises a central shaft, the surface of the central shaft is sequentially welded from bottom to top around a packing auger blade and a variable pitch packing auger blade, the variable pitch packing auger blade is positioned at a squeezing assembly and a central shaft communicating part, the upper end of the variable pitch packing auger blade and the upper end of the central shaft are arranged at intervals, a speed reducing motor is provided with a shaft head, the central shaft and the shaft head are fixedly connected through a flange plate, the lower end of the central shaft penetrates out of a rotating seat, the end part of the central shaft, which penetrates out of the driving seat, is fixedly provided with a retaining nut, the central shaft is arranged from bottom to top, is divided into an equidistant conveying area (namely the packing auger blade is equidistantly conveyed), a variable pitch dehydration area (namely the variable pitch packing auger blade is in a variable pitch dehydration area), in the area, garbage passes through the rotation of the variable pitch packing auger blade, the water in the garbage is squeezed, the extruded water flows into the squeezing pipe through the central shaft, and the gravity squeezing area (namely the upper end of the variable pitch packing auger blade and the upper end of the central shaft), the garbage falling into a slag collecting hopper, passes through three areas, and enters into a slag outlet discharging device.
The squeezing assembly comprises a squeezing pipe which is communicated and fixedly arranged on the outer side of a central pipe, the top and the bottom of the squeezing pipe are respectively communicated with a backwashing valve group and a return hose, one end of the backwashing valve group, which is far away from the squeezing pipe, is communicated with a high-pressure hose, one end of the high-pressure hose, which is far away from the backwashing valve group, is communicated with a backwashing pipe group, the backwashing pipe group is positioned on the outer side of a screen mesh, a slag outlet is positioned between the squeezing pipe and a speed reduction motor, the top of the slag outlet is communicated with the central pipe, and scattered water passing circular holes are designed in the central pipe at the part intersected with the squeezing pipe, squeezed sewage flows out through the bottom circular holes and flows back into a channel through the return hose after being collected by the squeezing pipe; and the circular hole at the top is a backwashing water inlet, and once the squeezing section is blocked and hardened, the backwashing valve group is opened to soak and release the hardened materials.
The supporting component comprises adjustable supporting legs and supporting cross beams, the adjustable supporting legs and the supporting cross beams are located between the slag hole and the rotary drum assembly, the clamp is fixedly arranged on the outer side of the central tube, the adjustable supporting legs are rotatably arranged at the bottom of the clamp, the supporting cross beams are vertically and fixedly arranged at the bottom of the central tube, cross beam fixing seats are fixedly arranged at the two ends of the supporting cross beams respectively, expansion bolts are used for fixing the cross beam fixing seats on the side wall of the channel, and the adjustable supporting legs are fixed on the top plane of the channel to fix the equipment.
The center of the water baffle is fixedly provided with a flow guide inner ring, the flow guide outer ring is sleeved on the outer side of the flow guide inner ring, the front side and the rear side of the water baffle are respectively and movably provided with a telescopic plate, the outer side of the central tube is fixedly provided with a fixed plate along the circumferential direction of the central tube, the left end of the screen is rotatably arranged on the outer side of the fixed plate, incoming water enters a drum assembly of the equipment through the flow guide inner ring of the water baffle, and filtered water flows to the rear side through a screen seam on the screen.
A plurality of uniformly distributed riding wheel seats are fixedly arranged on the fixing plate, a front supporting ring at one end is fixedly arranged at the left end of the screen, a circle of flow guide ring is fixedly arranged on one side, opposite to the central tube, of the front supporting ring, a riding wheel is rotatably arranged on one side, opposite to the flow guide ring, of the riding wheel seats, and the surface of the riding wheel is in contact with the surface of the flow guide ring.
The hairbrush assembly comprises a hairbrush, a sliding groove support and a sliding groove seat, the sliding groove support is fixedly arranged on the fixing plate, the sliding groove seat is fixedly connected with the water baffle, the hairbrush is fixedly arranged between the sliding groove support and the sliding groove seat, the hairbrush is in contact with the surface of the screen, and the backwashing assembly is fixedly connected with the sliding groove support.
The fixed porous fixed disk that is provided with of right-hand member of center tube, the center pin outside cover is equipped with the nylon cover, and the fixed cover in the nylon cover outside is equipped with nylon cover seat, nylon cover seat and porous fixed disk fixed connection.
The working principle of the device is as follows: the equipment is obliquely arranged in the channel according to an inclination angle of 35 degrees, the beam fixing seat is fixed on the side wall of the channel by using expansion bolts, and the adjustable supporting legs are fixed on the top plane of the channel. The breakwater passes through bolted connection with the expansion plate, and the design has the spout on the expansion plate, can adjust flexible distance, adapts to the channel of certain width. The expansion plate is provided with a mounting hole and is fixed on the side wall of the channel through an expansion bolt. And after the installation is finished, removing the connecting bolt between the water baffle and the rotary drum assembly.
The water enters the rotary drum assembly of the equipment through the flow guide inner ring of the water baffle, the filtered water flows to the rear through the screen seam on the screen, the suspended matters in the sewage are intercepted on the screen, the smaller suspended matters are adsorbed on the inner wall of the screen, and are brought to the upper part of the equipment along with the rotation of the rotary drum assembly and fall into the slag collecting hopper along with the cleaning of the brush and the washing of the back washing. The larger garbage rises to the upper part of the equipment through the carrying effect of the three groups of material carrying blades and falls into the slag collecting hopper through the self-weight or back-washing.
The lower end of the central shaft is connected with the transmission seat through a transmission key and is limited through a retaining nut. The upper end of the shaft head is connected with the shaft head through a flange plate, the first flange plate can play a material blocking role, and the second flange plate plays an overload protection role. And a shear pin is arranged between the flange plates, and once the torque limit of the equipment is exceeded, the shear pin is broken, so that the whole equipment is protected from being damaged. The middle of the central shaft is welded with an auger blade and a variable-pitch auger blade, and a section of bladeless segment is designed, from bottom to top, divided into an equidistant conveying area, a variable-pitch dewatering area and a gravity squeezing area, and garbage falling into a slag collecting hopper enters slag outlet discharge equipment through three areas.
The central pipe is provided with scattered water passing circular holes at the part intersected with the squeezing pipe, squeezed sewage flows out through the bottom circular holes and flows back to the channel through the backflow hose after being collected by the squeezing pipe. The circular hole at the top is a back-flushing water inlet, and once the squeezing section is blocked and hardened, the valve is opened to soak and release the hardened materials.
The nylon sleeve seat, the porous fixed disc and the central tube are welded into a whole in pairs. The nylon sleeve with stable performance, corrosion resistance and wear resistance is arranged between the nylon sleeve seat and the central shaft. The central shaft forms a stable rotating and driving structure under the combined action of the nylon sleeve and the speed reducing motor.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or may be connected between two elements through an intermediate medium, or may be directly connected or indirectly connected, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a rotary drum grating machine for sewage treatment, a serial communication port, includes the center tube, the fixed gear motor that is provided with in upper end of center tube, the center tube internal rotation is provided with the conveying subassembly of being connected with the gear motor transmission, center tube outside intercommunication and fixed being provided with squeeze the subassembly, the outside of center tube lower part is rotated and is provided with the rotary drum assembly, the fixed breakwater that is provided with in bottom of rotary drum assembly, the rotary drum assembly outside is provided with the brush subassembly, the top intercommunication of center tube is provided with the collection sediment fill corresponding with the brush subassembly, the bottom of center tube is provided with supporting component and slag notch.
2. The rotary drum grating machine for sewage treatment according to claim 1, wherein the rotary drum assembly comprises an outer screen, the screen is cylindrical, a rear support ring is fixedly arranged at the bottom of the screen, a circle of flow guide outer ring is vertically and fixedly arranged on one side of the rear support ring, which is far away from the screen, a square pipe cross support is fixedly arranged on the inner wall of the screen along the axial direction of the screen, a plurality of uniformly distributed material carrying blades are vertically and fixedly arranged on the surface of the square pipe cross support, a transmission seat is fixedly arranged at the center of the flow guide outer ring, and reinforcing ribs are fixedly arranged between the outer side of the transmission seat and the flow guide outer ring.
3. The rotary drum grating machine for sewage treatment of claim 2, wherein the conveying assembly comprises a central shaft, the surface of the central shaft is welded in sequence from bottom to top around being provided with auger blades and variable pitch auger blades, the variable pitch auger blades are located at the position where the squeezing assembly and the central pipe are communicated, the upper end of the variable pitch auger blades and the upper end of the central shaft are arranged at intervals, the speed reduction motor is provided with a shaft head, the central shaft and the shaft head are fixedly connected through a flange plate, the lower end of the central shaft penetrates out of the rotating seat, and the end fixing part of the central shaft penetrating out of the driving seat is provided with a retaining nut.
4. The rotary drum grating machine for sewage treatment according to claim 2, wherein the pressing assembly comprises a pressing pipe which is communicated and fixedly arranged outside the central pipe, the pressing pipe is positioned on the top side and the bottom side of the central pipe and is respectively communicated with a backwashing valve group and a return hose, one end of the backwashing valve group, which is far away from the pressing pipe, is communicated with a high-pressure hose, one end of the high-pressure hose, which is far away from the backwashing valve group, is communicated with a backwashing pipe group, the backwashing pipe group is positioned outside the screen, the slag hole is positioned between the pressing pipe and the speed reduction motor, and the bottom of the slag hole is communicated with the central pipe.
5. The rotary drum grating machine for sewage treatment according to claim 4, wherein the support component comprises an adjustable support leg and a support beam, the adjustable support leg and the support beam are positioned between the slag outlet and the rotary drum assembly, a clamp is fixedly arranged on the outer side of the central tube, the adjustable support leg is rotatably arranged at the bottom of the clamp, the support beam is vertically and fixedly arranged at the bottom of the central tube, and two ends of the support beam are respectively and fixedly provided with a beam fixing seat.
6. The rotary drum grille machine for sewage treatment of claim 5 is characterized in that a flow guide inner ring is fixedly arranged at the center of the water baffle, the flow guide outer ring is sleeved outside the flow guide inner ring, telescopic plates are movably arranged on the left side and the right side of the water baffle respectively, a fixing plate is fixedly arranged on the outer side of the central tube along the circumferential direction of the central tube, and the left end of the screen is rotatably arranged on the outer side of the fixing plate.
7. The rotary drum grating machine for sewage treatment as claimed in claim 6, wherein a plurality of uniformly distributed idler seats are fixedly arranged on the fixing plate, a front end support ring is fixedly arranged at the upper end of the screen mesh, a circle of guide ring is fixedly arranged at one side of the front support ring opposite to the central tube, a tug is rotatably arranged at one side of the idler seats opposite to the guide ring, and the surface of the tug is in contact with the surface of the guide ring.
8. The rotary drum grating machine for sewage treatment as claimed in claim 7, wherein the brush assembly comprises a brush, a chute support and a chute seat, the chute support is fixedly arranged on the fixing plate, the chute seat is fixedly connected with the water baffle, the brush is fixedly arranged between the chute support and the chute seat, the brush is arranged in contact with the surface of the screen, and the backwashing pipe group is fixedly connected with the chute support.
9. The rotary drum grating machine for sewage treatment as claimed in claim 3, wherein the lower end of the central tube is fixedly provided with a porous fixed disc, the outer side of the central tube is sleeved with a nylon sleeve, the outer side of the nylon sleeve is fixedly sleeved with a nylon sleeve seat, and the nylon sleeve seat is fixedly connected with the porous fixed disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221595528.4U CN218011484U (en) | 2022-06-24 | 2022-06-24 | Rotary drum grating machine for sewage treatment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221595528.4U CN218011484U (en) | 2022-06-24 | 2022-06-24 | Rotary drum grating machine for sewage treatment |
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| CN218011484U true CN218011484U (en) | 2022-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221595528.4U Active CN218011484U (en) | 2022-06-24 | 2022-06-24 | Rotary drum grating machine for sewage treatment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116177634A (en) * | 2023-02-13 | 2023-05-30 | 山东一普环境科技有限公司 | Internal water inlet type precise rotary drum grille equipment |
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2022
- 2022-06-24 CN CN202221595528.4U patent/CN218011484U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116177634A (en) * | 2023-02-13 | 2023-05-30 | 山东一普环境科技有限公司 | Internal water inlet type precise rotary drum grille equipment |
| CN116177634B (en) * | 2023-02-13 | 2023-11-10 | 山东一普环境科技有限公司 | Internal water inlet type precise rotary drum grille equipment |
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