CN215742219U - Internal filtering surface pressurization type rotary drum filter - Google Patents

Internal filtering surface pressurization type rotary drum filter Download PDF

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CN215742219U
CN215742219U CN202122041816.7U CN202122041816U CN215742219U CN 215742219 U CN215742219 U CN 215742219U CN 202122041816 U CN202122041816 U CN 202122041816U CN 215742219 U CN215742219 U CN 215742219U
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filter
fixed
rotary drum
fixedly connected
pipe
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郭会江
田军巧
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Abstract

The utility model provides an inner filtering surface pressurization type rotary drum filter which comprises a fixing frame and a filter body, wherein the filter body is arranged inside the fixing frame, the filter body comprises an outer barrel, a fixed shaft barrel, a discharging mechanism, a feeding pipe, a distributing mechanism, a liquid outlet pipe, a cleaning pipe and a pressurization air blowing discharging pipe, the discharging mechanism is arranged at the top of the fixed shaft barrel, the feeding pipe and the cleaning pipe are both arranged inside the fixed shaft barrel, the distributing mechanism is arranged at one end of the feeding pipe, the cleaning mechanism is arranged at one end of the cleaning pipe, the liquid outlet pipe is arranged on the inner wall of the outer barrel, and the fixed shaft barrel is arranged inside the outer barrel. The internal filtering surface pressurizing type rotary drum filter provided by the utility model has the advantages of capability of avoiding secondary pollution and good filtering effect.

Description

Internal filtering surface pressurization type rotary drum filter
Technical Field
The utility model relates to the technical field of a pressurized rotary drum filter, in particular to an inner filter surface pressurized rotary drum filter.
Background
The vacuum filter is a device which takes vacuum negative pressure as driving force to realize solid-liquid separation, structurally, the filtering sections of the suppliers of the vacuum filter are arranged along the horizontal length direction, and can continuously complete the operations of filtering, washing, sucking, filter cloth regeneration and the like, the rubber belt filter has the advantages of high filtering efficiency, large production capacity, good washing effect, low filter cake moisture, flexible operation, low maintenance cost and the like, the vacuum filter can be widely applied to the solid-liquid separation in the fields of metallurgy, mine, chemical engineering, paper making, food, pharmacy, environmental protection and the like, the vacuum filter has good application particularly in the gypsum dehydration aspect in flue gas desulfurization, the vacuum filter forms negative pressure at the outlet of the filtrate as the driving force for filtering, the filter is divided into intermittent operation and continuous operation, the vacuum filter which is intermittently operated can filter suspension liquid with various concentrations, the vacuum filter with continuous operation of the vacuum filter is suitable for filtering thick suspension containing more solid particles, the outer filtering surface pressure rotary drum filter is widely applied in the market at present, the pressure rotary drum filter takes pressure applied at a suspension inlet or mechanical pressing force applied to wet materials as filtering driving force, and is suitable for filtering suspension with larger pressure difference, the pressure rotary drum filter is also divided into intermittent operation and continuous operation, a tube type pressure filter and a pressure leaf filter which are intermittently operated are used for filtering low-concentration suspension, the pressure filter is also an intermittent operation pressure filter and is divided into 3 types of plate frame type, box type and vertical type, the application is very wide, the oil filter is a plate frame type pressure filter unit provided with accessories such as an oil pump, a vacuum evaporator and the like, the continuously operated rotary drum pressure filter and the disc pressure filter carry out pressure filtration in a sealed shell, and the structure of the pressure rotary drum pressure filter is similar to that of the vacuum rotary drum pressure filter and the disc vacuum filter, because the structure is complicated, the application is less, the common pressure filtration utilizes the filtration chamber volume to diminish or applies mechanical squeezing force to carry out filtration, the moisture content of the filtration residue is lower, and the filter residue is applicable to suspension liquid with high solid particle concentration.
The existing pressurizing rotary drum filter can emit pungent smell when filtering polluted gas through the outer filtering surface vacuum rotary drum filter, so that secondary pollution is caused, the outer filtering surface vacuum rotary drum filter generates pressure through the extraction of an internal vacuum pump, and the filtering effect is not ideal enough.
Therefore, it is necessary to provide a drum filter with pressurized inner filter surface to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides the internal filtering surface pressurizing type rotary drum filter which can avoid secondary pollution and has good filtering effect.
The inner filtering surface pressurization type rotary drum filter provided by the utility model comprises a fixing frame and a filter body, wherein the filter body is arranged in the fixing frame, the filter body comprises an outer barrel, a fixed shaft barrel, a discharging mechanism, a feeding pipe, a distributing mechanism, a liquid outlet pipe and a cleaning pipe, the discharging mechanism is arranged at the top of the fixed shaft barrel, the feeding pipe and the cleaning pipe are both arranged in the fixed shaft barrel, the distributing mechanism is arranged at one end of the feeding pipe, the cleaning mechanism is arranged at one end of the cleaning pipe, the liquid outlet pipe is arranged on the inner wall of the outer barrel, and the fixed shaft barrel is arranged in the outer barrel.
In order to achieve the purpose, preferably, the inner filter surface pressure type rotary drum filter provided by the utility model is characterized in that a discharging mechanism is arranged inside the fixed shaft cylinder, the discharging mechanism comprises a discharging rod, a second motor and a pressure blowing discharging pipe, the output end of the second motor is fixedly connected with the discharging rod, the outer side of the discharging rod is rotatably connected with the inner wall of the fixed shaft cylinder, and the pressure blowing discharging pipe is arranged on the outer side of the fixed shaft cylinder.
The inner filter surface-pressurized rotary drum filter according to claim, wherein a fixed block is fixedly connected to the bottom of the second motor, and one side of the fixed block is fixedly connected to one side of the fixed frame.
In order to achieve the purpose of driving the outer cylinder, preferably, as the inner filter surface pressurizing type rotary drum filter provided by the utility model, a first motor is arranged on one side of the fixing frame, belt pulleys are fixedly connected to the output end of the first motor and the outer side of the fixing shaft cylinder, and a belt is arranged on the outer side of each belt pulley.
In order to fix the first motor, as the internal filter surface pressure type rotary drum filter provided by the utility model, preferably, a fixing plate is fixedly connected to the bottom of the first motor, and one side of the fixing plate is fixedly connected to the outer side of the fixing frame.
In order to achieve the purpose of improving the stability of the fixing frame, as the internal filtering surface pressurizing type rotary drum filter provided by the utility model, preferably, a first fixing rod is fixedly connected to the inner side of the fixing frame, and a second fixing rod is fixedly connected to the side, far away from the first fixing rod, of the inner side of the fixing frame.
In order to achieve the purpose of improving the stability of the outer cylinder, as the inner filter surface pressure type rotary drum filter provided by the utility model, preferably, a sliding ring is fixedly connected to the top of the first fixing rod, and the inner wall of the sliding ring is slidably connected with the outer side of the outer cylinder.
In order to achieve the purpose of improving the firmness of the fixing frame, preferably, the bottom of the fixing frame is fixedly connected with a cushion block, and the bottom of the cushion block is provided with anti-skid grains.
In order to achieve the purpose of improving the sealing property of the outer cylinder, as the inner filter surface pressure type rotary drum filter provided by the utility model, preferably, a sealing gasket is arranged on the inner wall of the outer cylinder, and the inner wall of the sealing gasket is rotatably connected with the outer side of the fixed shaft cylinder.
In order to achieve the purpose of improving the stability of the fixed shaft cylinder, as the internal filtering surface pressurizing type rotary drum filter provided by the utility model, preferably, a fixed leg is fixedly connected to the outer side of the fixed shaft cylinder, and a fixed seat is arranged at the bottom of the fixed leg.
Compared with the prior art, the internal filtering surface pressurizing type rotary drum filter provided by the utility model has the following beneficial effects:
the utility model inputs suspension liquid into the fixed shaft cylinder through a feeding pipe, carries out material distribution treatment through a material distribution mechanism, pressurizes the inner part of the outer cylinder through a pressurized air pipe, simultaneously drives the outer cylinder to rotate through a first motor, carries out filtering treatment on slurry through the outer cylinder, retains filter residue on the inner wall of the fixed shaft cylinder, filtrate flows out of the outer cylinder, when the filter residue covers the inner wall of the whole outer cylinder, is washed through a cleaning pipe in a cleaning area, and cleaning solution is uniformly sprayed on the inner wall of the fixed shaft cylinder, and in a vacuum state, the filter residue in the filter cake and other impurities dissolved in the cleaning solution are squeezed and taken away, the washed filter cake is dried, and the dried filter cake is pressurized through a pressurizing pipe, so that the dried filter cake is separated from the inner wall of the fixed shaft cylinder, and then the fixed shaft cylinder is washed through the cleaning pipe, and impurities on the upper part of the filter cloth are separated, thereby achieving regeneration of the filter cloth, the second motor is driven to rotate by the second motor to discharge the slag cakes, meanwhile, the second motor is supported by the fixing block in the device, so that the stability and firmness of the second motor in use are improved, the belt pulley is driven to rotate by the first motor, the belt pulley is driven by the belt to rotate, so that the outer barrel is driven to rotate, the fixing plate is arranged at the bottom of the first motor to support and fix the first motor, so that the stability of the first motor in use is improved, the fixing frame is reinforced by arranging the first fixing rod and the second fixing rod, the firmness of the fixing frame is improved, so that the stability of the filter body in use can be improved, the outer barrel is supported by arranging the sliding ring, so that the stability of the outer barrel in rotation is improved, and the friction force between the bottom of the fixing frame and a contact surface is increased by arranging the cushion block, thus, the firmness of the fixing frame is reinforced in one step, the sealing between the outer cylinder and the fixed shaft cylinder is kept through the arrangement of the sealing gasket, so that the inside of the outer cylinder is kept in a pressurized state, the stability of the fixed shaft cylinder can be improved through the arrangement of the fixing legs on the outer side of the fixed shaft cylinder, so that the working efficiency of the device is improved, when the filter body needs to be stored for a long time, the filter body is stored in a shielded place with the relative humidity not more than 85 percent and the temperature not higher than 35 ℃, rust-proof oil is replaced every six months, each processing surface is carefully checked, rust removal is carried out on a rust part until the surface shows metal luster, the problem that the conventional pressurized rotary drum filter can emit pungent odor when polluted gas is filtered through the outer filtering surface vacuum rotary drum filter to cause secondary pollution is solved, and the outer filtering surface vacuum rotary drum filter generates pressure through the internal vacuum pump, the filtering effect is not ideal enough.
Drawings
FIG. 1 is a schematic structural view of a preferred embodiment of an inner filter surface pressure type rotary drum filter provided by the present invention;
FIG. 2 is a schematic view of the filter body and the discharge mechanism shown in FIG. 1;
FIG. 3 is a schematic structural view of the outer tub shown in FIG. 1;
fig. 4 is a schematic structural view of the fixing frame shown in fig. 1.
Reference numbers in the figures: 1. a fixed mount; 2. a filter body; 21. an outer cylinder; 22. fixing the shaft barrel; 23. a discharge mechanism; 24. a feed pipe; 25. a material distribution mechanism; 26. a liquid outlet pipe; 27. cleaning the tube; 3. a discharging mechanism; 31. a discharge rod; 32. a second motor; 33. a pressurized blast discharge pipe; 4. a first motor; 5. a belt pulley; 6. a fixing plate; 7. a first fixing lever; 8. a slip ring; 9. a second fixing bar; 10. cushion blocks; 11. a gasket; 12. a fixed block; 13. and fixing the legs.
Detailed Description
The utility model is further described with reference to the following figures and embodiments.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of an internal filter surface pressure type rotary drum filter provided by the present invention, fig. 2 is a schematic structural diagram of a filter body and a discharging mechanism shown in fig. 1, fig. 3 is a schematic structural diagram of an outer cylinder shown in fig. 1, and fig. 4 is a schematic structural diagram of a fixing frame shown in fig. 1. The internal filtering surface pressurization type rotary drum filter comprises a fixed frame 1 and a filter body 2.
In the specific implementation process, as shown in fig. 1, fig. 2 and fig. 3, a filter body 2 is arranged inside a fixing frame 1, the filter body 2 includes an outer cylinder 21, a fixed shaft cylinder 22, a discharging mechanism 23, a feeding pipe 24, a distributing mechanism 25, a liquid outlet pipe 26 and a cleaning pipe 27, the discharging mechanism 23 is arranged at the top of the fixed shaft cylinder 22, the feeding pipe 24 and the cleaning pipe 27 are both arranged inside the fixed shaft cylinder 22, the distributing mechanism 25 is arranged at one end of the feeding pipe 24, the cleaning mechanism is arranged at one end of the cleaning pipe 27, the liquid outlet pipe 26 is arranged on the inner wall of the outer cylinder 21, and the fixed shaft cylinder 22 is arranged inside the outer cylinder 21.
It should be noted that: the suspension is input into the fixed shaft cylinder 22 through the feeding pipe 24, the material distribution is carried out through the material distribution mechanism 25, the inner part of the outer cylinder 21 is pressurized through the pressurized air pipe, meanwhile, the first motor 4 drives the outer cylinder 21 to rotate, the slurry is filtered through the outer cylinder 21, the filter residue is intercepted on the inner wall of the fixed shaft cylinder 22, the filtrate flows out of the outer cylinder 21, when the filter residue covers the inner wall of the whole outer cylinder 21, the filter residue is washed through the cleaning pipe 27 in the cleaning area, the cleaning solution is uniformly sprayed on the inner wall of the fixed shaft cylinder 22, the filtrate remained in the filter cake and other impurities dissolved in the cleaning solution are squeezed and taken away under the vacuum state, the washed filter cake is dried, the dried filter cake is pressurized through the pressurized pipe again, the back blowing is carried out through the pressurized air blowing discharging pipe 33, so that the dried filter cake is separated from the inner wall of the fixed shaft cylinder 22, and the fixed shaft cylinder 22 is washed through the cleaning pipe 27, impurities on the upper part of the filter cloth are separated to regenerate the filter cloth, and then the discharge rod 31 is driven by the second motor 32 to rotate to discharge the slag cake.
Referring to fig. 1 and 2, a discharging mechanism 3 is arranged inside the fixed shaft cylinder 22, the discharging mechanism 3 includes a discharging rod 31, a second motor 32 and a pressurized air blowing discharging pipe 33, the discharging rod 31 is fixedly connected to an output end of the second motor 32, an outer side of the discharging rod 31 is rotatably connected to an inner wall of the fixed shaft cylinder 22, and the pressurized air blowing discharging pipe 33 is arranged on an outer side of the fixed shaft cylinder 22.
The bottom of the second motor 32 is fixedly connected with a fixing block 12, and one side of the fixing block 12 is fixedly connected with one side of the fixing frame 1.
It should be noted that: drive ejection of compact pole 31 through second motor 32 and rotate to with the inside waste residue discharge of fixed beam barrel 22, support second motor 32 through fixed block 12, thereby improve the stability and the firmness of second motor 32 when using.
Referring to fig. 1, a first motor 4 is disposed on one side of the fixing frame 1, a belt pulley 5 is fixedly connected to both an output end of the first motor 4 and an outer side of the fixing shaft cylinder 22, and a belt is disposed on an outer side of the belt pulley 5.
The bottom of the first motor 4 is fixedly connected with a fixing plate 6, and one side of the fixing plate 6 is fixedly connected with the outer side of the fixing frame 1.
It should be noted that: drive belt pulley 5 through first motor 4 and rotate, carry out the transmission to belt pulley 5 through the belt to drive urceolus 21 and rotate, set up fixed plate 6 through the bottom at first motor 4, play support and fixed effect to first motor 4, thereby improve the stability of first motor 4 when using.
Referring to fig. 1 and 4, a first fixing rod 7 is fixedly connected to the inner side of the fixing frame 1, and a second fixing rod 9 is fixedly connected to one side of the inner side of the fixing frame 1, which is far away from the first fixing rod 7.
The top of the first fixing rod 7 is fixedly connected with a sliding ring 8, and the inner wall of the sliding ring 8 is slidably connected with the outer side of the outer cylinder 21.
The bottom of the fixing frame 1 is fixedly connected with a cushion block 10, and the bottom of the cushion block 10 is provided with anti-skid grains.
It should be noted that: through setting up first dead lever 7 and second dead lever 9, consolidate mount 1, improve mount 1's firmness to can improve the stability of filter body 2 when using, support urceolus 21 through setting up sliding ring 8, thereby improve urceolus 21 stability when rotating, through setting up cushion 10, increase the frictional force between 1 bottom of mount and the contact surface, thereby carry out one step of reinforcement to mount 1's firmness.
Referring to fig. 2, the inner wall of the outer cylinder 21 is provided with a packing 11, and the inner wall of the packing 11 is rotatably connected to the outside of the fixed shaft cylinder 22.
The outer side of the fixed shaft cylinder 22 is fixedly connected with a fixed leg 13, and the bottom of the fixed leg 13 is provided with a fixed seat.
It should be noted that: the sealing gasket 11 is provided to maintain the sealing between the outer cylinder 21 and the fixed shaft cylinder 22, so that the inside of the outer cylinder 21 is maintained in a pressurized state, and the fixing legs 13 are provided on the outside of the fixed shaft cylinder 22, so that the stability of the fixed shaft cylinder 22 can be improved, and the working efficiency of the device can be improved.
The working principle of the internal filtering surface pressurizing type rotary drum filter provided by the utility model is as follows:
the suspension is input into the fixed shaft cylinder 22 through the feeding pipe 24, the material distribution is carried out through the material distribution mechanism 25, the inner part of the outer cylinder 21 is pressurized through the pressurized air pipe, meanwhile, the first motor 4 drives the outer cylinder 21 to rotate, the slurry is filtered through the outer cylinder 21, the filter residue is intercepted on the inner wall of the fixed shaft cylinder 22, the filtrate flows out of the outer cylinder 21, when the filter residue covers the inner wall of the whole outer cylinder 21, the filter residue is washed through the cleaning pipe 27 in the cleaning area, the cleaning solution is uniformly sprayed on the inner wall of the fixed shaft cylinder 22, the filtrate remained in the filter cake and other impurities dissolved in the cleaning solution are squeezed and taken away under the pressurized state, the washed filter cake is dried, the dried filter cake is pressurized through the pressurized pipe and is subjected to back blowing through the pressurized air blowing discharge pipe 33, so that the dried filter cake is separated from the inner wall of the fixed shaft cylinder 22, and the fixed shaft cylinder 22 is washed through the cleaning pipe 27, impurities on the upper portion of the filter cloth are separated, regeneration of the filter cloth is achieved, the discharge rod 31 is driven to rotate through the second motor 32, the slag cake is discharged, meanwhile, the second motor 32 is supported through the fixing block 12 in the device, stability and firmness of the second motor 32 in use are improved, the belt pulley 5 is driven to rotate through the first motor 4, the belt pulley 5 is driven through a belt, so that the outer cylinder 21 is driven to rotate, the fixing plate 6 is arranged at the bottom of the first motor 4, the first motor 4 is supported and fixed, so that stability of the first motor 4 in use is improved, the fixing frame 1 is reinforced through the arrangement of the first fixing rod 7 and the second fixing rod 9, firmness of the fixing frame 1 is improved, stability of the filter body 2 in use can be improved, the outer cylinder 21 is supported through the arrangement of the sliding ring 8, thereby improve the stability of urceolus 21 when rotating, through setting up cushion 10, increase the frictional force between 1 bottom of mount and the contact surface, thereby carry out one step of reinforcement to the firmness of mount 1, through setting up sealed pad 11, make and keep sealed between urceolus 21 and the fixed shaft section of thick bamboo 22, thereby make the inside of urceolus 21 keep the pressurized state, through set up fixed leg 13 in the outside of fixed shaft section of thick bamboo 22, can improve the stability of fixed shaft section of thick bamboo 22, thereby improve the work efficiency of this device, when filter body 2 need be deposited for a long time, should deposit in relative humidity and be not more than 85%, the temperature is not higher than 35 ℃ has the place that shields, change rust-resistant oil new in every six months, carefully inspect each machined surface, rust cleaning on the corrosion position shows metallic luster to the surface.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but 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 thus, should not be construed as limiting the present invention.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. An inner filter surface pressurization type rotary drum filter is characterized by comprising:
mount (1) and filter body (2), the inside of mount (1) is provided with filter body (2), filter body (2) include urceolus (21), fixed axle section of thick bamboo (22), shedding mechanism (23), inlet pipe (24), cloth mechanism (25), drain pipe (26), scavenge pipe (27), shedding mechanism (23) set up in the top of fixed axle section of thick bamboo (22), inlet pipe (24) and scavenge pipe (27) all set up in the inside of fixed axle section of thick bamboo (22), the one end of inlet pipe (24) is provided with cloth mechanism (25), the one end of scavenge pipe (27) is provided with wiper mechanism, drain pipe (26) set up the inner wall in urceolus (21), fixed axle section of thick bamboo (22) set up the inside in urceolus (21).
2. An internal filter surface pressure type rotary drum filter according to claim 1, characterized in that the fixed shaft cylinder (22) is internally provided with a discharging mechanism (3), the discharging mechanism (3) comprises a discharging rod (31), a second motor (32) and a pressure blast discharging pipe (33), the output end of the second motor (32) is fixedly connected with the discharging rod (31), the outer side of the discharging rod (31) is rotatably connected with the inner wall of the fixed shaft cylinder (22), and the outer side of the fixed shaft cylinder (22) is provided with the pressure blast discharging pipe (33).
3. A rotary drum filter with pressurized inner filter surface according to claim 2, wherein the bottom of the second motor (32) is fixedly connected with a fixed block (12), and one side of the fixed block (12) is fixedly connected with one side of the fixed frame (1).
4. An internal filter surface pressure type rotary drum filter according to claim 1, characterized in that one side of the fixed frame (1) is provided with a first motor (4), the output end of the first motor (4) and the outer side of the fixed shaft cylinder (22) are both fixedly connected with a belt pulley (5), and the outer side of the belt pulley (5) is provided with a belt.
5. A rotary drum filter with pressurized inner filter surface according to claim 4, wherein the bottom of the first motor (4) is fixedly connected with a fixed plate (6), and one side of the fixed plate (6) is fixedly connected with the outer side of the fixed frame (1).
6. A rotary drum filter with pressurized inner filter surface according to claim 1, wherein the inner side of the fixed frame (1) is fixedly connected with a first fixed rod (7), and the side of the inner side of the fixed frame (1) far away from the first fixed rod (7) is fixedly connected with a second fixed rod (9).
7. A rotary drum filter with pressurized inner filter surface according to claim 6, wherein the top of the first fixed rod (7) is fixedly connected with a sliding ring (8), and the inner wall of the sliding ring (8) is connected with the outer side of the outer cylinder (21) in a sliding way.
8. An internal filter surface pressure type rotary drum filter according to claim 1, characterized in that a cushion block (10) is fixedly connected to the bottom of the fixed frame (1), and the bottom of the cushion block (10) is provided with anti-skid veins.
9. A rotary drum filter with pressurized inner filter surface according to claim 1, wherein the inner wall of the outer cylinder (21) is provided with a sealing gasket (11), and the inner wall of the sealing gasket (11) is rotatably connected with the outer side of the fixed shaft cylinder (22).
10. A rotary drum filter with pressurized inner filter surface according to claim 1, wherein the outer side of the fixed shaft cylinder (22) is fixedly connected with a fixed leg (13), and the bottom of the fixed leg (13) is provided with a fixed seat.
CN202122041816.7U 2021-08-27 2021-08-27 Internal filtering surface pressurization type rotary drum filter Active CN215742219U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122041816.7U CN215742219U (en) 2021-08-27 2021-08-27 Internal filtering surface pressurization type rotary drum filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122041816.7U CN215742219U (en) 2021-08-27 2021-08-27 Internal filtering surface pressurization type rotary drum filter

Publications (1)

Publication Number Publication Date
CN215742219U true CN215742219U (en) 2022-02-08

Family

ID=80079416

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122041816.7U Active CN215742219U (en) 2021-08-27 2021-08-27 Internal filtering surface pressurization type rotary drum filter

Country Status (1)

Country Link
CN (1) CN215742219U (en)

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