CN209885360U

CN209885360U - Rotary filtering equipment

Info

Publication number: CN209885360U
Application number: CN201920292600.8U
Authority: CN
Inventors: 卢开贵; 黄远东; 朱建红; 郑贺红; 麦满林; 钟炎辉; 杨颂; 谭家昌; 刘宏英
Original assignee: SHENZHEN SHENSHUI BAOAN WATER GROUP Co Ltd
Current assignee: SHENZHEN SHENSHUI BAOAN WATER GROUP Co Ltd
Priority date: 2019-03-08
Filing date: 2019-03-08
Publication date: 2020-01-03
Anticipated expiration: 2029-03-08

Abstract

The utility model discloses a rotation filtration equipment, including rotation filter and the elevating gear who is used for driving rotation filter lift, rotation filter has and is used for stretching in the basin and can carry out filterable filtration end and be used for setting up the washing end that can realize the self-cleaning outside the basin to the liquid in the basin, and elevating gear includes that mount and both ends connect mount and filtration end respectively in order to be used for driving the haulage rope of filtration end elevating movement. Through setting up the elevating gear who is used for controlling the rotation filter lift, the both ends of haulage rope are connected with mount and filter end respectively, overhauls or when breaking down when the rotation filter, can carry out the surface of water with the filter end through the haulage rope, avoids influencing liquid and passes through.

Description

Rotary filtering equipment

Technical Field

The utility model relates to a physical method filters technical field, especially relates to a rotation filtration equipment.

Background

Filtration is an operation in which liquid (or gas) in a suspension (or gas containing solid particles) permeates through a medium under the action of a driving force or other external force, and the solid particles and other substances are retained by the filter medium, so that the fixed particles and other substances are separated from the liquid (or gas). The application of the filtering technology in the fields of energy separation, water purification, environmental management and the like is more and more extensive, and common filtering equipment can be divided into a gravity filter, a pressure filter and a vacuum filter according to the filtering driving force; according to the properties of the filter medium, the filter medium can be divided into a granular medium filter, a filter cloth medium filter, a porous ceramic medium filter, a semipermeable membrane medium filter and the like; the operation method can be divided into a batch filter, a continuous filter and the like.

At present, water used in daily life of people is tap water produced after purification and disinfection of water plants, the water quality of the tap water directly affects the health of human beings, and the microorganisms affecting the health of human beings in the tap water mainly comprise cyclops, harpacticoida, algae and the like. The conventional coagulation-precipitation-sand filtration process can remove most microorganisms in water, but cannot ensure complete removal of the microorganisms, so a self-cleaning filter device is usually used by water plants to further remove microorganisms such as cyclops, daphnia magna and algae in the water, and the backwashing can be carried out according to actual conditions. However, the existing self-cleaning filtering device has a large volume, and when a fault occurs, the self-cleaning filtering device cannot be treated in time, and liquid can be influenced to pass through the self-cleaning filtering device along with the accumulation of microorganisms on the self-cleaning filtering device.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a rotary filtering device, which solves the problem that the prior dirt separator can obstruct the liquid from passing through when the prior dirt separator breaks down or overhauls.

The purpose of the utility model is realized by adopting the following technical scheme:

the rotary filtering equipment comprises a rotary filter and a lifting device used for driving the rotary filter to lift, wherein the rotary filter is provided with a filtering end and a cleaning end, the filtering end is used for extending into a water tank and filtering liquid in the water tank, the cleaning end is used for being arranged outside the water tank and can realize self-cleaning, and the lifting device comprises a fixed frame and a traction rope, two ends of the traction rope are respectively connected with the fixed frame and the filtering end to drive the filtering end to lift.

Furthermore, two opposite sides of the rotary filter are provided with installation parts protruding outwards for being rotationally connected with the water tank.

Furthermore, the lifting device further comprises a pulley arranged between the fixed frame and the filtering end, and the traction rope is connected with the filtering end after passing around the pulley on the fixed frame.

Further, the pulley is a fixed pulley or a movable pulley.

Furthermore, the lifting device further comprises a hanging piece, one end of the hanging piece is connected with the fixing frame, and the other end of the hanging piece is connected with the filtering end through the traction rope.

Furthermore, the rotary filter comprises a filter screen, a rotary transmission system, a self-cleaning system and a rack for installing the rotary transmission system and the self-cleaning system, the filter screen is fixedly connected to the rotary transmission system and synchronously rotates along with the rotary transmission system, the self-cleaning system is installed at the position of the rack at the cleaning end and used for cleaning the filter screen, and one end of the traction rope is connected with the position of the rack at the filtering end.

Further, the rotary transmission system comprises a motor, a plurality of main chain wheels, a main shaft, a plurality of auxiliary chain wheels, an auxiliary shaft and a plurality of chains, wherein the main chain wheels are arranged on the main shaft at intervals, two ends of the main shaft are rotatably connected to two opposite sides of the rack, the auxiliary chain wheels are arranged on the auxiliary shaft at intervals, two ends of the auxiliary shaft are rotatably connected to two opposite sides of the rack, the main chain wheels and the auxiliary chain wheels are connected through the chains, the motor is connected with the main shaft to drive the main chain wheels to rotate, and the filter screen is fixed to the chains in a surrounding mode.

Further, the filter screen is annular and the inner annular surface of the filter screen is fixedly connected to the chain.

Further, the self-cleaning system comprises a water washing component, an air flushing component and a cleaning brush, wherein the water washing component is installed on the rack and is located between two inner annular surfaces of the filter screen, the air flushing component is installed on the rack and is located between two inner annular surfaces of the filter screen, the cleaning brush is installed on the rack, and bristles of the cleaning brush are in contact with an outer annular surface of the filter screen.

Furthermore, the water washing assembly comprises a water pipe provided with a water inlet and a plurality of nozzles arranged on the water pipe at intervals, and each nozzle faces to the inner annular surface of the filter screen; and/or the presence of a gas in the atmosphere,

the air flushing assembly comprises an air pipe provided with an air inlet and a plurality of air nozzles arranged on the air pipe at intervals, and each air nozzle faces towards the inner ring surface of the filter screen; and/or the presence of a gas in the atmosphere,

the rotary transmission system further comprises a transmission chain, a first chain wheel and a second chain wheel, the first chain wheel is mounted on the main shaft, the first chain wheel is located on the outer side of the rack, the second chain wheel is connected with the motor in a rotating mode, and the first chain wheel is connected with the second chain wheel through the transmission chain.

Compared with the prior art, the beneficial effects of the utility model reside in that: through setting up the elevating gear who is used for controlling the rotation filter lift, the both ends of haulage rope are connected with mount and filter end respectively, overhauls or when breaking down when the rotation filter, can carry out the surface of water with the filter end through the haulage rope, avoids influencing liquid and passes through.

Drawings

FIG. 1 is a schematic structural diagram of a rotary filter apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of the rotary filter shown in FIG. 1;

fig. 3 is an assembly schematic view of the first sprocket, the main shaft and the main sprocket according to the embodiment of the present invention;

FIG. 4 is a schematic view of the assembly of the driven shaft and the driven sprocket according to the embodiment of the present invention;

FIG. 5 is a schematic structural view of the water wash assembly shown in FIG. 2;

fig. 6 is a schematic structural view of the air impingement assembly shown in fig. 2.

In the figure: 100. a rotary filtration apparatus; 10. a rotary filter; 20. a lifting device; 21. a fixed mount; 22. a hauling rope; 11. a filtering end; 12. cleaning the end; 13. an installation part; 23. a pulley; 24. hanging parts; 14. filtering with a screen; 15. a frame; 151. closing the plate; 161. a motor; 162. a main sprocket; 163. a main shaft; 164. a slave sprocket; 165. a driven shaft; 152. a tensioner; 166. a first sprocket; 17. a water washing component; 18. an air blast assembly; 19. cleaning a dirt brush; 171. a water pipe; 172. a nozzle; 181. an air tube; 182. an air tap.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

It should be noted that all directional indicators (such as upper, lower, left, right, front, back, inner, outer, top, bottom … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components in a specific posture (as shown in the figure), and if the specific posture is changed, the directional indicator is changed accordingly.

It will also be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

As shown in fig. 1-6, an embodiment of the present invention provides a rotary filter apparatus 100, which includes a rotary filter 10 and a lifting device 20 for driving the rotary filter 10 to ascend and descend, the rotary filter 10 has a filtering end 11 for extending into a water tank and filtering liquid in the water tank and a cleaning end 12 for being disposed outside the water tank and realizing self-cleaning, the lifting device 20 includes a fixing frame 21 and a pulling rope 22 with two ends respectively connected to the fixing frame 21 and the filtering end 11 for driving the filtering end 11 to ascend and descend. With this design, through setting up elevating gear 20 that is used for driving rotary filter 10 lift, elevating gear 20 includes mount 21 and haulage rope 22, and the both ends of haulage rope 22 are connected with mount 21 and filter end 11, like this, when rotary filter 10 broke down or need overhaul, can be located the filter end 11 of basin and put out the surface of water through haulage rope 22, can avoid its passage that influences rivers.

Preferably, the opposite sides of the rotary filter 10 are provided with mounting portions 13 protruding outward for rotational connection with the water tank. Specifically, in this embodiment, the mounting portion 13 is a convex pillar protruding outward, a circular ring matching with the convex pillar is fixedly disposed on the water tank, and the convex pillar is inserted into the circular ring, so that the rotary filter 10 can be rotatably mounted in the circular ring, and the worker can conveniently control the lifting of the filtering end 11.

Preferably, the lifting device 20 further includes a pulley 23 disposed between the fixing frame 21 and the filtering end 11, and the pulling rope 22 is wound around the pulley 23 from the fixing frame 21 and then connected to the filtering end 11. With this design, through set up pulley 23 between mount 21 and filter end 11, haulage rope 22 is walked around pulley 23 and is connected with filter end 11, like this, can change the direction of force or practice thrift the power that the promotion filter end 11 needs, convenient operation.

Preferably, in this embodiment, the water tank is provided with support rods, two ends of each support rod are respectively connected to two tank walls of the water tank, and the pulleys 23 are sleeved on the support rods to form fixed pulleys, so that the direction of force can be changed, and the operation is convenient. It is to be understood that the pulley 23 is not limited to being provided as a fixed pulley, and, for example, a movable pulley or a pulley block is also possible.

Preferably, the lifting device 20 further comprises a hanging member 24, one end of the hanging member 24 is connected with the fixing frame 21, and the other end is connected with the filtering end 11 through the pulling rope 22. With this design, through set up a pendant 24 on mount 21, pendant 24 passes through haulage rope 22 and is connected with filtration end 11, and like this, the staff can control the lift of filtration end 11 by pendant 24, convenient operation.

Preferably, the rotary filter 10 includes a screen 14, a rotary drive system, a self-cleaning system, and a frame 15 for mounting the rotary drive system and the self-cleaning system, the screen 14 being fixedly connected to the rotary drive system and rotating synchronously with the rotary drive system, the self-cleaning system being mounted to a portion of the frame at the cleaning end 12 and the self-cleaning system being used to clean the screen 14, one end of a pull rope 22 being connected to a portion of the frame 15 at the filtering end 11. And a rotary transmission system is adopted, and the filter screen 14 synchronously rotates along with the rotary transmission system, so that the labor cost can be reduced. Specifically, in this embodiment, the frame 15 includes two oppositely disposed side plates and a sealing plate 151 connecting the two side plates, and the sealing plate 151 is located at the filtering end 11 and is L-shaped, so that water can be prevented from flowing out from the gap between the filtering end 11 and the water tank, and the filtering capability is improved.

Preferably, in this embodiment, a plurality of connecting rods for connecting the two side plates are further disposed between the two side plates, so that the overall stability of the frame 15 is enhanced.

Preferably, the rotary transmission system includes a motor 161, a plurality of main sprockets 162, a main shaft 163, a plurality of auxiliary links 164, an auxiliary shaft 165, and a plurality of chains, wherein the main sprockets 162 are spaced apart from the main shaft 163, two ends of the main shaft 163 are rotatably connected to two opposite sides of the frame 15, the auxiliary links 164 are spaced apart from the auxiliary shaft 165, two ends of the auxiliary shaft 165 are rotatably connected to two opposite sides of the frame 15, the main sprockets 162 and the auxiliary links 164 are connected by chains, the motor 161 is connected to the main shaft 163 to drive the main sprockets 162 to rotate, and the filter screen 14 is fixed to the chains in a surrounding manner. In this design, the main shaft 163 and the driven shaft 165 are mounted to the frame 15, the main shaft 163 is provided with a plurality of main chain wheels 162, the driven shaft 165 is provided with a plurality of driven chain wheels 164, the main chain wheels 162 are connected with the driven chain wheels 164 through chains, the motor 161 is further connected with the main shaft 163, and the filter screen 14 is fixed to the chains, so that when the motor 161 works, the main chain wheels 162 on the main shaft 163 and the main chain wheels 163 can be driven to rotate, the main chain wheels 162 drive the driven chain wheels 164 to rotate through belts, and then the filter screen 14 on the chains is driven to rotate, so that a rotary structure is formed, the workload can be reduced, and the labor cost can. Specifically, in the present embodiment, the number of the main chain wheel 162, the number of the slave chain 164 and the number of the chains are three, so as to enhance the supporting capability of the chains for the filter screen 14.

Preferably, in this embodiment, each of the two opposite sides of cleaning end 12 is provided with a tensioner 152 for adjusting the tightness of filter screen 14. In this way, by providing the tensioner 152, the filter screen 14 may be loosened after the rotary filter 10 is operated for a certain period of time, and then the tensioner 152 may be adjusted to maintain the filter screen 14 in a tensioned state, thereby improving the reliability of the rotary filter 10.

Preferably, in this embodiment, the screen 14 is ring-shaped and the inner ring surface of the screen 14 is fixedly connected to the chain.

Preferably, the self-cleaning system includes a water wash assembly 17, an air blast assembly 18, and a scrubbing brush 19, the water wash assembly 17 being mounted to the frame 15 with the water wash assembly 17 positioned between two inner annular surfaces of the screen 14, the air blast assembly 18 being mounted to the frame 15 with the air blast assembly 18 positioned between two inner annular surfaces of the screen 14, the scrubbing brush 19 being mounted to the frame 15 with bristles of the scrubbing brush 19 in contact with an outer annular surface of the screen 14. In the design mode, three cleaning modes of the water washing component 17, the air washing component 18 and the cleaning brush 19 are arranged, so that the cleaning capacity of the self-cleaning system is improved.

Preferably, the water washing assembly 17 comprises a water pipe 171 provided with a water inlet and a plurality of nozzles 172 arranged on the water pipe 171 at intervals, and each nozzle 172 faces the inner annular surface of the filter screen 14; the air-blast assembly 18 includes an air pipe 181 with an air inlet and a plurality of air nozzles 182 spaced apart from the air pipe 181, each air nozzle 182 facing the inner circumferential surface of the filter 14. With this design, including water pipe 171 and nozzle 172 through washing subassembly 17, air towards subassembly 18 includes trachea 181 and gas nozzle 182, like this, lets in high pressure water, trachea 181 in toward water pipe 171 and lets in high pressure gas, and high pressure water and high pressure gas spout respectively from nozzle 172 and gas nozzle 182, have practiced thrift the cost of labor to the filth on the filter screen 14 wasing automatically. Specifically, in the present embodiment, the number of the nozzles 172 and the number of the nozzles 182 are four, which improves the cleaning capability, and it is understood that the number of the nozzles 172 and the number of the nozzles 182 are not limited to four, and for example, one, two, or other numbers are also possible.

Preferably, the rotary transmission system further comprises a transmission chain, a first chain wheel 166 and a second chain wheel, the first chain wheel 166 is mounted on the main shaft 163, the first chain wheel 166 is located on the outer side of the frame 15, the second chain wheel is rotatably connected with the motor 161, and the first chain wheel 166 and the second chain wheel are connected through the transmission chain. With this design, the second sprocket is rotatably connected to the motor 161, the first sprocket 166 is mounted on the main shaft 163, and the first sprocket 166 and the second sprocket are connected by a transmission chain, so that when the second sprocket rotates, the first sprocket 166 can be driven to rotate, thereby driving the main sprocket 162 and the slave link 164 to rotate. It will be appreciated that the connection between the motor 161 and the main shaft 163 is not limited to a chain drive, for example, a belt drive or a shaft drive is also possible.

Preferably, in this embodiment, the position that the basin is close to washing end 12 is provided with the slag notch that is used for holding the filth, and the filth that cleaning system cleared up out gets into the slag notch in, carries out unified processing to the filth in the slag notch again, avoids the filth to cause the pollution to the environment.

Specifically, during use:

the rotary filter 10 is rotatably mounted to a water tank through a mounting portion 13, a fixing frame 21 is arranged at the top of the water tank, a hanging piece 24 is arranged on the fixing frame 21, the hanging piece 24 is connected with a filtering end 11 through a traction rope 22, when a motor 161 starts to work, a second chain wheel of the motor 161 drives a first chain wheel 166 to rotate through a transmission chain, so that a main shaft 163 and a main chain wheel 162 on the main shaft 163 synchronously rotate, a secondary link 164 is driven to rotate, a filter screen 14 fixed on the chain is driven to rotate, dirt intercepted by the filter screen 14 moves towards a cleaning end 12, high-pressure water is introduced into a water pipe 171, high-pressure air is introduced into an air pipe 181, a dirt cleaning brush 19 is started to clean the dirt on the filter screen 14, the cleaned dirt enters a slag groove, and a tensioner 152 is adjusted after the rotary filter 10 works for a period of time, so that the filter. When the rotary filter 10 is in failure or needs to be repaired, the filter end 11 is lifted out of the water surface through the hanging piece 24, and the liquid passing is prevented from being influenced.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. A rotary filter equipment is characterized in that: the rotary filter comprises a rotary filter and a lifting device for driving the rotary filter to lift, wherein the rotary filter is provided with a filtering end which is used for extending into a water tank and filtering liquid in the water tank and a cleaning end which is used for being arranged outside the water tank and realizing self-cleaning, and the lifting device comprises a fixed frame and a traction rope, wherein two ends of the traction rope are respectively connected with the fixed frame and the filtering end so as to drive the filtering end to lift.

2. The rotary filter apparatus of claim 1 wherein: two opposite sides of the rotary filter are provided with installation parts protruding outwards for being rotationally connected with the water tank.

3. The rotary filter apparatus of claim 1 wherein: the lifting device further comprises a pulley arranged between the fixing frame and the filtering end, and the traction rope is connected with the filtering end after passing around the pulley on the fixing frame.

4. The rotary filter apparatus of claim 3 wherein: the pulley is a fixed pulley or a movable pulley.

5. The rotary filter apparatus of claim 1 wherein: the lifting device further comprises a hanging piece, one end of the hanging piece is connected with the fixing frame, and the other end of the hanging piece is connected with the filtering end through the traction rope.

6. The rotary filter apparatus of claim 1 wherein: the rotary filter comprises a filter screen, a rotary transmission system, a self-cleaning system and a rack for mounting the rotary transmission system and the self-cleaning system, the filter screen is fixedly connected to the rotary transmission system and synchronously rotates along with the rotary transmission system, the self-cleaning system is mounted at the position of the rack at the cleaning end and used for cleaning the filter screen, and one end of the traction rope is connected with the position of the rack at the filtering end.

7. The rotary filter apparatus of claim 6 wherein: the rotary transmission system comprises a motor, a plurality of main chain wheels, a main shaft, a plurality of driven chain wheels, a driven shaft and a plurality of chains, wherein the main chain wheels are arranged on the main shaft at intervals, two ends of the main shaft are rotatably connected to two opposite side portions of the rack, the driven chain wheels are arranged on the driven shaft at intervals, two ends of the driven shaft are rotatably connected to two opposite side portions of the rack, the main chain wheels and the driven chain wheels are connected through the chains, the motor is connected with the main shaft to drive the main chain wheels to rotate, and the filter screen is fixed to the chains in a surrounding mode.

8. The rotary filter apparatus of claim 7 wherein: the filter screen is the annular just the interior annular fixed connection of filter screen to the chain.

9. The rotary filter apparatus of claim 8 wherein: the self-cleaning system comprises a water washing component, an air flushing component and a cleaning brush, wherein the water washing component is installed on the rack and is located between two inner annular surfaces of the filter screen, the air flushing component is installed on the rack and is located between two inner annular surfaces of the filter screen, the cleaning brush is installed on the rack, and bristles of the cleaning brush are in contact with the outer annular surface of the filter screen.

10. The rotary filter apparatus of claim 9, wherein: the water washing assembly comprises a water pipe provided with a water inlet and a plurality of nozzles arranged on the water pipe at intervals, and each nozzle faces to the inner annular surface of the filter screen; and/or the presence of a gas in the atmosphere,