WO2012092816A1

WO2012092816A1 - Device and method for mechanically compressed, lateral-flow, fiber bundle filtration

Info

Publication number: WO2012092816A1
Application number: PCT/CN2011/084539
Authority: WO
Inventors: 刘凡清
Original assignee: 上海凡清环境工程有限公司
Priority date: 2011-01-08
Filing date: 2011-12-23
Publication date: 2012-07-12

Abstract

Disclosed are a device and a method for mechanically compressed, lateral-flow, fiber bundle filtration. The device comprises a fiber bundle gravity filtering tank and a fiber bundle pressure filter, and mainly comprises a housing (1), a fiber bundle filter unit (22), a filtering water inlet pipe (23), a filtering water outlet pipe (11), a cleaning air inlet pipe (12) and a water discharge pipe (24), etc. The method comprises using the above device, and comprises the steps of preparation before filtering, filtering, and cleaning, etc. The method increases the filtering area, thereby reducing the occupied ground area. In this method, the compressed density of the filtering layers is adjustable and controllable, so that the filtering precision and filtering velocity can be adjusted.

Description

Mechanical compression lateral flow fiber bundle filtering method and device

Technical field

The invention relates to a mechanical compression lateral flow fiber bundle filtering method and device.

Background technique

Since the inventors began to study fiber bundle filtration in early 1982, various methods and devices for using fiber bundle filter materials have been studied. One method is to flow through the filter layer in the direction in which the vertical fiber bundles are stretched during filtration, and to wash the water during cleaning. The filter layer flows along the direction in which the fiber bundle extends. The compression and relaxation of the fiber bundle filter material is generally achieved by using a filtered water stream or a wash water stream. There are problems such as uneven compression of the fiber bundle filter material, difficulty in adjusting the filtration precision and the filtration speed, and poor cleaning effect.

Summary of the invention

It is an object of the present invention to provide a mechanically compressed lateral flow fiber bundle filtration method and apparatus.

A mechanically compressed lateral flow fiber bundle filtration method for achieving the object of the present invention, wherein a plurality of fiber bundle filters made of fiber filaments are suspended from a filter plate to form a filter assembly, and the filter assembly is mounted on Filtering the two sides or one side of the water collecting device, and providing a porous compression plate on the side of the filter assembly away from the filtered water collecting device, the porous compression plate passing through the screw mechanism or the push-pull rod mechanism or the chain mechanism or the cam mechanism or the linkage mechanism or Pushing by a transmission mechanism such as a capsule mechanism, before filtering, the porous compression plate is pushed along the extending direction of the vertical fiber bundle by a screw mechanism or a cam mechanism or a linkage mechanism such as a link mechanism or a capsule mechanism, so that the fiber bundle filter layer is moderately compressed, and when filtered, The water flows from the side of the porous compression plate in the direction of the vertical or near vertical fiber bundle to the side of the filtered water collecting device, and several small holes that pass through the surface of the filtered water collecting device are collected and collected into the filtered water collecting device to filter the water. Prior to cleaning, the porous compression plate is passed through a screw mechanism or push-pull rod mechanism or chain mechanism or cam mechanism or Lever mechanism or a capsule reverse driven gear mechanism or the like, on the release of compressive force applied to the filter tow fiber bundle layer by filtration membered fully relax.

One of the cleaning methods is as follows: The cleaning water is washed alternately in a downward flow and an upward flow, and the cleaning air passes through the fiber bundle filtration layer from bottom to top.

The second cleaning method is as follows: the cleaning method is used for cleaning the underwater flow and cleaning the upper stream and cleaning the water. The third cleaning method is: cleaning and filtering the water through the cleaning water to the flow through the countercurrent water filling cleaning method of the filtering water collecting device, and the cleaning air passes through the fiber bundle filtering layer from bottom to top.

The fourth cleaning method is: using filtered water to pass through the filtered water collecting device countercurrent cleaning mode, and the cleaning air passes through the fiber bundle filtering layer from bottom to top.

A mechanically compressed lateral flow fiber bundle filtration device for achieving the object of the present invention, the device comprising a gravity fiber bundle filter and a pressure fiber bundle filter, the device mainly comprising a casing, a fiber bundle filter unit, and a filter Inlet pipe, filter outlet pipe, cleaning intake pipe, drain pipe, etc.

The fiber bundle filter unit is installed in the casing, the filter inlet pipe and the drain pipe are connected with the casing, the filter outlet pipe is inserted into the casing and connected to the fiber bundle filter unit, and the gas inlet pipe is inserted into the casing and the gas distribution in the fiber bundle filter unit. The device is connected or connected to a gas distribution device disposed below the fiber bundle filter unit.

The fiber bundle filter unit mainly comprises a filter material assembly, a compression mechanism, a filtered water collecting device, a gas distribution device, a filtering water outlet pipe, a cleaning air inlet pipe, a machine base and the like. The flat surfaces of the plurality of filtered water collecting devices are vertically installed on the machine base at a certain interval, and the flat surface of the filter material assembly is mounted on both sides of the filtered water collecting device on the sides of the filtered water collecting device, in the filter material assembly A porous compression plate is disposed away from the side of the filtered water collecting device, and the porous compression plate is driven by a screw mechanism or a push-pull rod mechanism or a chain mechanism or a cam mechanism or a transmission mechanism such as a link mechanism or a capsule mechanism, and a motor or a cylinder. Device connection. The filtered water pipe passes through a plurality of filtered water collecting devices and is connected to each of the filtered water collecting devices. The gas distribution device is disposed at a lower portion of the filter assembly, and the gas distribution device is connected to the cleaning intake pipe.

The fiber bundle filter unit can also be assembled by a plurality of filter units, and the filter unit mainly comprises a filter water collecting device, a filter material assembly, a porous compression plate, a gas distribution device, a cleaning intake pipe, and a filtering water outlet pipe. The filter material assembly is installed on both sides of the filtered water collecting device, the porous compression plate is disposed on the side of the filter material assembly away from the filtered water collecting device, the gas distribution device is disposed under the filter material assembly, and the gas distribution device is connected with the cleaning air inlet pipe. The filtered water pipe is connected to the filtered water collecting device. The cleaning intake pipe between the filter unit and the filter unit is flanged to the cleaning intake pipe, and the filtered outlet pipe is connected to the filter outlet pipe by a flange. Several filter units are assembled on the same base.

The filter material assembly is mainly composed of a fiber bundle filter element, an upper filter plate and a lower filter plate. The upper end of the fiber bundle filter element is connected to the upper filter plate through a connecting member, and the lower end of the fiber bundle filter element is connected to the lower filter plate through a connecting member. Several fiber bundle filters form a filter layer.

The fiber bundle filter element is made of fiber filaments, and the upper filter plate and the lower filter plate are provided with a plurality of water holes or vent holes, and are made of one or a combination of FRP, plastic, resin, stainless steel, carbon steel anticorrosion. The connecting piece is a kind of rope, rubber strip, plastic strip, stainless steel wire, metal ring, plastic ring, bolt, insert, and the like.

The lower filter plate can be replaced by a plurality of pendants, each of which is attached to the lower end of the fiber bundle filter.

The compression mechanism mainly comprises a porous compression plate, a screw mechanism or a push-pull rod mechanism or a chain mechanism or a cam mechanism or a linkage mechanism such as a linkage mechanism or a capsule mechanism, a driving device such as an electric motor or a cylinder, etc., and the porous compression plate passes through One or a combination of a screw mechanism or a push-pull rod mechanism or a chain mechanism or a cam mechanism or a link mechanism or a capsule mechanism is connected to a driving device such as a motor or a cylinder, and a driving device such as a cylinder or a motor is mounted on the filtered water collecting water through a bracket. On the top of the device or on the housing.

The porous compression plate is a grid plate or a perforated plate. Made of FRP or carbon steel anti-corrosion or one or a combination of stainless steel or plastic. At least one nut for threaded connection to the screw is mounted on the perforated compression plate, or at least one support member for supporting and controlling the posture is mounted on the porous compression plate.

The screw mechanism is a chain-screw mechanism, which mainly includes a screw, a drive sprocket, a main drive sprocket, a synchronous distribution sprocket, a sprocket, a chain and the like. The sprocket is mounted on the screw, the sprocket is connected to the synchronous distribution sprocket through the chain, the synchronous distribution sprocket is connected to the main drive sprocket through the connecting shaft, the main drive sprocket is connected to the drive sprocket through the chain, and the drive sprocket passes through the drive shaft Connect to the motor or cylinder.

The screw mechanism is a rack-and-screw mechanism, which mainly includes a screw, a gear, a rack, a drive rod and the like. The gear is mounted on the screw, the rack is connected to the drive rod, the rack is coupled to the gear, and the drive rod is coupled to the cylinder or motor.

The thread on the screw is arranged in sections, and the adjacent two threads are oppositely rotated. Each thread is connected with a nut mounted on the porous compression plate. When the screw rotates in the same direction, the adjacent porous compression plates are close to each other or mutually keep away.

The racks may be single or multiple combinations.

The push-pull rod mechanism mainly comprises a push-pull rod, and the push-pull rod is connected with a plurality of porous compression plates.

The chain mechanism mainly comprises a chain and a sprocket, and the chain is connected with a plurality of porous compression plates, and the chain is coupled to the sprocket. The cam mechanism mainly includes a cam, a transmission rod, and the like, and the cam is mounted on the transmission rod.

The link mechanism mainly comprises a connecting rod, a screw, a nut, etc., the nut is installed at the intersection of the connecting rods, and the screw is threaded through the nut.

The capsule mechanism mainly includes a capsule, a water-filled (or gas) tube, and the like. The drain (or gas) tube is connected to the capsule.

The filtered water collecting device is in the form of a hollow flat box closed by six sides, and a plurality of water holes or slits are formed on the flat surface of the fiber bundle filter. The filtered water collection device is made of one or a combination of stainless steel or carbon steel anticorrosive or glass steel or plastic.

The gas distribution device is a porous tube.

The base is made of carbon steel anti-corrosion or stainless steel or concrete or fiberglass. The base is placed at the bottom of the fiber bundle filter unit to support the unit and fix the unit to the bottom of the housing.

The height of the base is 50-500 mm.

In the case where the filtering effect is very low, the compression mechanism can be eliminated.

The cleaning process can push the porous compression plate back and forth to compress and relax the fiber bundle filter, which is beneficial to improve the cleaning effect.

The cylinder includes a cylinder and a hydraulic cylinder. The capsules include capsules and other pneumatic and hydraulic retractors.

The capsule can be replaced by an electric retractor or an electromagnetic retractor.

The mechanical compression lateral flow fiber bundle filtering method and device of the present invention can be used as a gravity type fiber bundle filter tank or a pressure type fiber bundle filter. It is not only suitable for water treatment filtration to remove suspended solids and turbidity in water, but also for biological treatment of biological filters or biofilters for removing organic matter, ammonia nitrogen, total nitrogen and total phosphorus in water. The mechanically compressed lateral flow fiber bundle filtration method and apparatus of the present invention is particularly suitable for gravity filtration tanks for large-scale water treatment applications such as sewage treatment plants or water supply plants.

The mechanical compression lateral flow fiber bundle filtering method and device of the invention can increase the filtration area several times under the same ground surface as compared with the most common longitudinal flow fiber bundle filtration method, thereby being able to be multiplied Floor area. Compared with the existing vertical flow fiber bundle filtration method, the filtration density of the filter layer of the present invention can be adjusted and controlled, so that the filtration precision and the filtration speed can be adjusted, but the existing methods cannot. In addition, the method of the present invention uses a downward flow and an upward flow alternate mode or a lower The dirt trapped on the fiber bundle filter material is washed out by the flow discharge cleaning and the upward flow water filling cleaning method, and the cleaning effect is remarkably improved.

DRAWINGS

Figure 1 is a schematic diagram of the filter material assembly

Figure 2 is a schematic diagram of a filter unit with a screw

Figure 3 is a schematic diagram of the filter unit with the slide bar bracket

Figure 4 is a schematic diagram of the chain-screw drive fiber bundle filter unit

Figure 5 is a top view of the chain-screw drive fiber bundle filter unit

Figure 6 is a schematic diagram of the rack-screw drive fiber bundle filter unit

Figure 7 is a top view of the rack-screw drive fiber bundle filter unit

Figure 8 Schematic diagram of mechanically compressed lateral flow fiber bundle filter

Figure 9 is a top view of the mechanically compressed lateral flow fiber bundle filter cell

Figure 10 Schematic diagram of mechanically compressed lateral flow vertical fiber bundle filter

Figure 11 Schematic diagram of mechanically compressed lateral flow horizontal fiber bundle filter

Figure 12 Schematic diagram of the filtration device of the multi-fiber bundle filter unit

Figure 13 Schematic diagram of the filtered water collection device

Figure 14 is a schematic view of the screw

Figure 15 enlarged view of the rack

Figure 16 Schematic diagram of the push-pull rod mechanism

Figure 17 Schematic diagram of the chain mechanism

Figure 18 Schematic diagram of the cam mechanism

Figure 19 Schematic diagram of the linkage mechanism

Figure 20 Schematic diagram of the capsule mechanism

Description of Specific Embodiments

Referring to Fig. 1, the filter assembly is mainly composed of a fiber bundle filter 2, an upper filter plate 3, and a lower filter plate 4. The upper end of the fiber bundle filter element 2 is connected to the upper filter plate 3 through a connecting member 5, and the fiber bundle filter element The lower end of the 2 is connected to the lower filter plate 4 via a connecting member 5, and a plurality of fiber bundle filters 2 constitute a filter layer.

The fiber bundle filter element 2 is made of fiber filaments, and the upper filter plate 3 and the lower filter plate 4 are provided with a plurality of water holes or vent holes 333, and the upper filter plate 3 and the lower filter plate 4 are made of glass steel, and are connected. Item 5 is with a plug-in Rope.

Referring to Fig. 2, Fig. 13, Fig. 14, the filter unit with screw mainly comprises a filtered water collecting device 8, a filter assembly, a porous compression plate 7, a screw 9, a gas distribution device 13, a cleaning inlet pipe 12, and a filtering water pipe 11 . The filter assembly is installed on both sides of the filtered water collecting device 8, and a bearing 10 is disposed on the filtered water collecting device 8, the screw 9 is mounted on the bearing 10, and the porous compression plate 7 is disposed in the filter assembly away from the filtered water collecting device 8 - side, the porous compression plate 7 is provided with a nut 71. The porous compression plate 7 is supported by a nut 71 and connected to the screw 7. The gas distribution device 13 is disposed under the filter assembly, and the gas distribution device 13 is connected to the cleaning inlet pipe 12. The filtered water outlet pipe 11 is connected to the filtered water collecting device 8.

The filtered water collecting device 8 is in the form of a hollow flat box having a six-sided closed shape, and a plurality of water passing holes or slits 81 are formed in the flat surface facing the fiber bundle filter element 2. The filtered water collection device 8 is made of stainless steel.

The thread on the screw 9 is arranged in sections, and the two adjacent threads are oppositely rotated. Each thread is connected with a nut 71 mounted on the porous compression plate 7. When the screw 9 rotates in the same direction, the adjacent porous compression plate 7 are close to each other or away from each other.

Referring to FIG. 3, FIG. 13 , the filter unit with the slide bar bracket mainly comprises a filtered water collecting device 8 , a filter assembly, a porous compression plate 7 , a sliding bracket 91 , a gas distribution device 13 , a cleaning intake pipe 12 , and a filtering water outlet 11 . . The filter assembly is installed on both sides of the filtered water collecting device 8, the slide bracket 91 is fixed on the filtered water collecting device 8, and the porous compression plate 7 is disposed on the side of the filter assembly away from the filtered water collecting device 8, and is porously compressed. A support member, that is, a suspension ring 711 is disposed on the plate 7, and the porous compression plate 7 is supported by the suspension ring 711 and connected to the slide bracket 91. The gas distribution device 13 is disposed under the filter assembly, the gas distribution device 13 and the cleaning intake pipe 12 Connected, the filtered water outlet pipe 11 is connected to the filtered water collecting device 8.

The filtered water collecting device 8 is in the form of a hollow flat box having a six-sided closed shape, and a plurality of water passing holes or slits 81 are formed in the flat surface facing the fiber bundle filter element 2. The filtered water collection device 8 is made of fiberglass.

Referring to Figure 1, Figure 4, Figure 5, Figure 13, Figure 14, the chain-screw drive fiber bundle filter unit, the fiber bundle filter unit mainly comprises a filter assembly, a compression mechanism, a filtered water collection device 8, and a gas distribution device 13 Filtering the water outlet pipe 11, cleaning the intake pipe 12, the base 6, and the like.

The filter assembly and the filtered effluent water collecting device 8 are as described above.

The compression mechanism mainly comprises a porous compression plate 7, a chain-screw mechanism, an electric motor 20, etc. The hole compression plate 连接 is connected to the motor 20 via a chain-screw mechanism, and the motor 20 is mounted on the top of the filtered water collection device 8 through the bracket 21.

The chain-screw mechanism mainly includes a screw 9, a drive sprocket 19, a main drive sprocket 17, a synchronous distribution sprocket 16, a sprocket 15, a chain 25, and the like. The sprocket 15 is mounted on the screw 9, the sprocket 15 is coupled to the synchronous distribution sprocket 16 via a chain 25, and the synchronous distribution sprocket 16 is coupled to the main drive sprocket 17 via a connecting shaft 18, the main drive sprocket 17 being driven by the chain 25 The sprocket 19 is coupled, and the drive sprocket 19 is coupled to the motor 20 via a drive shaft 191.

At least one nut 71 is attached to the porous compression plate 7, and the nut 71 is screwed to the screw 9.

The gas distribution device 13 is a porous tube.

The base 6 is made of carbon steel anti-corrosion, and the base 6 is disposed at the bottom of the fiber bundle filter unit 22 for supporting the fiber bundle filter unit and fixing the fiber bundle filter unit to the bottom of the casing.

The height of the base 6 is 200 mm.

The flat surfaces of the plurality of filtered water collecting devices 8 are vertically mounted on the base 6 at a certain interval, and the flat surfaces of the filter assembly are directly mounted on the sides of the filtered water collecting device 8 on the flat surface of the filtered water collecting device 8 A porous compression plate 7 is disposed on the side of the filter assembly away from the filtered water collection device 8, and the porous compression plate 7 is connected to the motor 20 via a chain-screw mechanism. The filtered water outlet pipe 11 passes through a plurality of filtered water collecting devices 8 and is connected to each of the filtered water collecting devices 8. The gas distribution device 13 is disposed at a lower portion of the filter unit, and the gas distribution device 13 is connected to the purge gas inlet pipe 12.

Referring to Figure 1, Figure 6, Figure 7, Figure 13, Figure 14, Figure 15, rack-and-screw drive fiber bundle filter unit, mainly including filter material assembly, compression mechanism, filtered water collection device, gas distribution device, filtered out Water pipes, cleaning intake pipes, bases, etc.

The compression mechanism mainly comprises a porous compression plate 7, a rack-and-screw mechanism, a cylinder 201, etc., and the porous compression plate 7 is connected to the cylinder 201 through a rack-and-screw mechanism, and the cylinder 201 is mounted on the filtered water collecting device 8 through the bracket 21. top. The porous compression plate 7 is a grid plate made of glass steel.

The rack-screw mechanism mainly includes a screw 9, a gear 152, a rack 251, a drive rod 253, and the like. The gear 152 is mounted on the screw 9, the rack 251 is coupled to the drive rod 253, the rack 251 is coupled to the gear 152, and the drive rod 253 is coupled to the cylinder 201.

The rack 251 is a combination of two, two racks 251 are mounted on the same bracket 252, and the bracket 252 is coupled to the drive rod 253.

The gas distribution device 13 is a porous tube.

The base 6 is made of concrete, and the base 6 is placed at the bottom of the fiber bundle filter unit for supporting the unit and fixing the unit to the bottom of the casing.

The height of the base 6 is 300 mm.

The flat surfaces of the plurality of filtered water collecting devices 8 are vertically mounted on the base 6 at a certain interval, and the flat surfaces of the filter assembly are directly mounted on the sides of the filtered water collecting device 8 on the flat surface of the filtered water collecting device 8 A porous compression plate 7 is disposed on the side of the filter assembly away from the filtered water collection device 8, and the porous compression plate 7 is connected to the cylinder 201 via a rack-and-screw mechanism. The filtered water outlet pipe 11 passes through a plurality of filtered water collecting devices 8 and is connected to each of the filtered water collecting devices 8. The gas distribution device 13 is disposed at a lower portion of the filter assembly, and the gas distribution device 13 is connected to the purge intake pipe 12.

Referring to Figure 4, Figure 5, Figure 8, Figure 9, a mechanically compressed lateral flow fiber bundle filtering device for achieving the object of the present invention, the device is a gravity fiber bundle filter, the device mainly comprising a casing 1 The fiber bundle filter unit 22, the filter inlet pipe 23, the filter outlet pipe 11, the purge intake pipe 12, the drain pipe 24, and the like.

The casing 1 is a pool body having an open upper portion. Made of concrete or FRP or carbon steel for corrosion protection or stainless steel.

The fiber bundle filter unit 22 is installed in the casing 1, and the filter inlet pipe 23 and the drain pipe 24 are connected to the casing 1. The filter outlet pipe 11 is inserted into the casing 1 and connected to the fiber bundle filter unit 22, and is cleaned. The gas pipe 12 is inserted into the casing 1 and connected to the gas distribution device 13 in the fiber bundle filter unit 22. The fiber bundle filter unit 22 mainly comprises a filter material assembly, a compression mechanism, a filtered water collection device 8, a gas distribution device 13, a filtration water outlet pipe 11, a cleaning air inlet pipe 12, a machine base 6, and the like.

The compression mechanism mainly includes a porous compression plate 7, a chain-screw mechanism, an electric motor 20, and the like, and the multi-hole compression plate 7 is connected to the motor 20 via a chain-screw mechanism.

Four nuts 71 are mounted on the porous compression plate 7, and each of the nuts 7 is screwed to the screw 9, respectively.

The thread on the screw 9 is arranged in sections, and the two adjacent threads are oppositely rotated. Each thread is connected with a nut 71 mounted on the porous compression plate 7. When the screw rotates in the same direction, the adjacent porous compression plate 7 Close to each other or away from each other.

The gas distribution device 13 is a porous tube.

The rest is described above.

working principle:

Before filtration: The fiber bundle filter unit 22 is completely submerged in water, the power of the motor 20 is turned on, and the motor 20 (if necessary, a transmission can be used) drives the drive sprocket 19 through the drive shaft 191, and the drive sprocket 19 drives the main drive sprocket through the chain 25. 17, the main drive sprocket 17 drives the synchronous distribution sprocket 16 through the connecting shaft 18, the synchronous distribution sprocket 16 drives the sprocket 15 to rotate through the chain 25, the sprocket 15 drives the screw 9 to rotate, and the nut 71 drives the adjacent two Filter out the water collecting device 8 The two porous compression plates 7 are moved in a direction away from each other, and the fiber bundle filter 2 is compressed to a filter layer formed by filtering the water collection device 8.

When filtering: the raw water enters the casing 1 from the filtering inlet pipe 23, and then enters the fiber bundle filtering unit along the passage opened by the two adjacent porous compression plates 7 away from each other, and then enters the fiber bundle through the porous compression plate 7. The filter layer formed by the filter element 2 filters to remove impurities in the water, and the filtered water passes through a plurality of water-passing holes or slits 81 of the filtered water-collecting device to enter the filtered water collecting device 8, and is discharged through the filtered water outlet pipe 11.

Before cleaning: The power of the motor 20 is turned on, the motor 20 is reversely operated (the transmission reversing gear can also be used if necessary), and the drive sprocket 19 is driven by the drive shaft 191, and the drive sprocket 19 drives the main drive sprocket 17 through the chain 25, The main drive sprocket 17 drives the synchronous distribution sprocket 16 to rotate through the connecting shaft 18, and the synchronous distribution sprocket 16 drives the sprocket 15 to rotate through the chain 25, and the sprocket 15 drives the screw 9 to rotate in the opposite direction, and is driven by the nut 71 in the adjacent two. The two porous compression plates 7 between the filtered water collection devices 8 are moved toward each other to completely relax the fiber bundle filter 2.

When cleaning: First adopt the emptying-gas-water combined cleaning method: the cleaning air is cleaned by the intake pipe 12, the gas distribution device 13 enters the lower part of the filter assembly, and passes through the lower filter plate 4, the fiber bundle filter 2 from the bottom to the top. The filter plate 3 is discharged while the water in the device is slowly vented through the drain pipe 24. Then, the water-gas-water combined cleaning method is adopted: the cleaning air passes through the cleaning intake pipe 12, the gas distribution device 13 enters the lower part of the filter assembly, and passes through the lower filter plate 4, the fiber bundle filter 2, and the upper filter plate 3 from bottom to top. Discharge, at the same time, the washing water passes through the filtering water outlet pipe 11, and the filtered water collecting device 8 slowly enters the device, the water level rises slowly without passing through the fiber bundle filtering unit, stops the washing water, and drains the water in the device from the drain pipe 24 to stop the drainage. The raw water enters the apparatus through the filtered inlet pipe 23 and the water level is not passed through the fiber bundle filter unit 22. The device can then go to the filtering state.

When the fiber bundle filter unit 22 of a mechanically compressed lateral flow fiber bundle filter device for achieving the object of the present invention is changed to a rack-and-screw drive fiber bundle filter unit, only the transmission mechanism is different:

Before the filtration: the fiber bundle filter unit 22 is completely submerged in the water, opens the intake valve of the cylinder 201, the cylinder 201 drives the rack 251 through the drive rod 253, the rack 251 drives the gear 152 to rotate, and the gear 152 simultaneously drives the screw 9 to rotate, through the nut 71 drives the two porous compression plates 7 between the adjacent two filtered water collecting devices 8 to move away from each other, and the fiber bundle filter 2 is reduced to The filtration layer formed on the water collection device 8 is filtered.

Before cleaning: Open the intake valve of the cylinder 201, the cylinder 201 drives the driving rod 253 to move in the opposite direction, the driving rod 253 drives the rack 251, the rack 251 drives the gear 152 to rotate, and the gear 152 simultaneously drives the screw 9 to rotate in the opposite direction, through the nut 71 drives the two sheets of porous compression plates 7 between the adjacent two filtered water collecting devices 8 to move toward each other to completely relax the fiber bundle filter 2.

The filtration and cleaning processes are the same as when the fiber bundle filter unit 22 is a chain-screw drive fiber bundle filter unit.

Referring to Figure 4, Figure 5, Figure 10, Figure 11, a mechanically compressed lateral flow fiber bundle filtering device for achieving the object of the present invention, the device is a pressure fiber bundle filter, the device mainly comprising a casing 1 The fiber bundle filter unit 22, the filter inlet pipe 23, the filter outlet pipe 11, the purge intake pipe 12, the exhaust pipe 121, the drain pipe 24, and the like.

The housing 1 is a vertical (Figure 10) or horizontal (Figure 11) closed tank.

The fiber bundle filter unit 22 is installed in the casing 1. The filter inlet pipe 23 and the drain pipe 24 are connected to the casing 1. The filter outlet pipe 11 is inserted into the casing 1 and connected to the fiber bundle filter unit 22, and the purge intake pipe 12 is inserted into the casing. The body 1 is connected to a gas distribution device 13 in the fiber bundle filter unit 22.

The fiber bundle filter unit 22 mainly comprises a filter material assembly, a compression mechanism, a filtered water collection device 8, a gas distribution device 13, a filtered water outlet pipe 11, a cleaning air inlet pipe 12, a machine base 6, and the like.

The compression mechanism mainly comprises a porous compression plate 7, a rack-and-screw mechanism, a cylinder 201, etc., and the porous compression plate 7 is connected to the cylinder 201 through a rack-and-screw mechanism, and the cylinder 201 is mounted on the filtered water collecting device 8 through the bracket 21. top.

The porous compression plate 7 is a grid plate made of glass steel.

The thread on the screw 9 is arranged in sections, and the two adjacent threads are oppositely rotated. Each thread is connected with a nut 71 mounted on the porous compression plate 7. When the screw 9 rotates in the same direction, the adjacent porous compression plate 7 are close to each other or away from each other. The rack 251 is a combination of two, and the two racks 251 are mounted on the same bracket 252, and the bracket 252 is coupled to the drive rod 253.

The gas distribution device 13 is a porous tube.

The height of the base 6 is 200 mm.

working principle:

Before the filtration: the fiber bundle filter unit 22 is completely submerged in the water, opens the intake valve of the cylinder 201, the cylinder 201 drives the rack 251 through the drive rod 253, the rack 251 drives the gear 152 to rotate, and the gear 152 simultaneously drives the screw 9 to rotate, through the nut 71 drives the two porous compression plates 7 between the adjacent two filtered water collecting devices 8 to move away from each other, and presses the fiber bundle filter 2 to the filter layer formed by filtering the water collecting device 8.

When cleaning: first adopt the emptying-gas-water combined cleaning method: open the exhaust pipe 121 and clean the intake pipe 12, the cleaning air enters the lower part of the filter assembly through the cleaning intake pipe 12 and the gas distribution device 13, and is connected from the bottom to the top. The filter plate 4, the fiber bundle filter 2, the upper filter plate 3 are passed, and finally discharged through the exhaust pipe 121, and the drain pipe 24 is opened, and the water in the device is slowly evacuated through the drain pipe 24. Then, the water-gas-water combined cleaning method is adopted: the cleaning air continues to pass through the cleaning intake pipe 12 and the gas distribution device 13 into the lower part of the filter assembly, and passes through the lower filter plate 4, the fiber bundle filter 2, and the upper filter plate from bottom to top. 3, finally discharged through the exhaust pipe 121, close the drain pipe 24, the washing water through the filtered water pipe 11, the filtered water collecting device 8 slowly enters the device, the water level rises slowly without the fiber bundle filtering unit, stops the washing water, opens the drainage The tube 24, drains the water in the device from the drain pipe 24, stops the draining, stops the cleaning air, and the washing water passes through the filtering water outlet pipe 11, and the filtered water collecting device 8 slowly enters the device, and the water level rises slowly without passing through the fiber bundle filtering unit. The casing 1 is filled, the washing water is stopped, and the exhaust pipe 121 is closed. The device can then go to the filtering state.

Referring to Figure 12, a mechanically compressed lateral flow fiber bundle filtration apparatus for accomplishing the objectives of the present invention is the case where two or more fiber bundle filtration units are installed in one housing.

Referring to Figure 16, the push-pull rod mechanism mainly comprises push-pull rods 721, 722, which are alternately connected with a plurality of porous compression plates 7, and the porous compression plate 7 is suspended from the slide rod bracket 91 by a suspension ring 711, the slide rod The bracket 91 is mounted on the filtered water collecting device 8. When the push-pull rod 721 is pulled to the left, the porous compression plate 7 (the left piece of each pair of immediately adjacent porous compression plates in the figure) connected to the push-pull rod 721 is moved to the left to push the fiber bundle filter 2, while the push-pull rod 722 is simultaneously pushed. Pushing to the right, the porous compression plate 7 connected to the push-pull rod 722 (the right piece of each pair of immediately adjacent porous compression plates in the figure) is moved to the right to push the fiber bundle filter 2, and is suspended on both sides of the filtered water collecting device. The fiber bundle filter 2 is compressed on the filtered water collecting device to form a dense fiber bundle filter layer, which is favorable for filtration. Similarly, when the push-pull rods 721, 722 are pushed or pulled in opposite directions, the fiber bundle filter elements 2 suspended on both sides of the filtered water collecting device are relaxed, which is advantageous for cleaning.

Referring to Fig. 17, the chain mechanism mainly comprises a chain 251 and a sprocket 151. The chain 251 is alternately connected with a plurality of porous compression plates 7, the chain 251 is coupled to the sprocket 151, and the porous compression plate 7 is suspended by the suspension ring 711. On the rod holder 91, the slide holder 91 is mounted on the filtered water collecting device 8. When the sprocket 151 is rotated in the counterclockwise direction, the porous compression plate 7 (the left piece of each pair of immediately adjacent porous compression plates in the figure) connected to the upper half of the chain 251 is moved to the left to push the fiber bundle filter 2, A porous compression plate 7 (the right piece of each pair of immediately adjacent porous compression plates in the figure) connected to the lower half of the chain 251 is moved to the right to push the fiber bundle filter 2, and the fibers suspended on both sides of the filtered water collection device The beam filter 2 is compressed on the filtered water collecting device to form a dense fiber bundle filter layer, which is advantageous for filtration. Similarly, When the sprocket 151 is rotated in the clockwise direction, the fiber bundle filter 2 suspended on both sides of the filtered water collecting device is relaxed to facilitate cleaning.

Referring to Fig. 18, the cam mechanism includes a cam 77, a transmission rod 78, and the like, and a cam 77 is disposed between the two multi-hole compression plates 7, and a cam 77 is mounted on the transmission rod 78. The transmission rod 78 drives the cam 77 to rotate under the driving of the motor or the cylinder, and the cam 77 can push the two porous compression plates 7 closer to or away from each other when rotating.

Referring to Fig. 19, the link mechanism mainly includes a connecting rod 75, a screw 99, a nut 751, etc., a nut 751 is installed at the junction of the connecting rods 75, and the screw 99 is threadedly connected through the nut 751. The threaded section of the screw 99 is arranged, the adjacent two sections of the thread are oppositely rotated, and the screw 99 is rotated by the motor or the cylinder, and the two nuts 751 can be pulled up or pushed away, so that the rod 75 is pushed farther or closer to the two. A sheet of porous compression plate 7.

Referring to Fig. 20, the capsule mechanism mainly includes a capsule 76, a filling and draining (or gas) tube 761, and the like. The water-filled (or gas) tube 761 is connected to the capsule 76, and the capsule 76 is disposed between the two porous compression plates 7. The capsule 76 is filled with water (or gas) by a water-filling (or gas) tube 761, and the capsule 76 is expanded to push away the two porous compression plates 7, and the water (or gas) in the capsule 76 is discharged through the water-filling (or gas) tube 761. The capsule 76 is contracted to draw the two porous compression plates 7 together.

Claims

Rights request

A mechanically compressed lateral flow fiber bundle filtration method, characterized in that the method comprises: suspending a plurality of fiber bundle filter elements made of fiber filaments on a filter plate to form a filter material assembly, wherein the filter material assembly is installed in the filter On both sides or one side of the effluent water collecting device, a porous compression plate is arranged on the side of the filter material assembly away from the filtered water collecting device, and the porous compression plate is passed through a screw mechanism or a push-pull rod mechanism or a chain mechanism or a cam mechanism or a link mechanism or a capsule Driven by a mechanism such as a mechanism, before the filtration, the porous compression plate is pushed along the direction of the vertical fiber bundle by a screw mechanism or a push-pull rod mechanism or a chain mechanism or a cam mechanism or a linkage mechanism or a capsule mechanism, so that the fiber bundle filter layer is Moderate compression, when filtering, water flows from the side of the porous compression plate in the direction of vertical or near vertical fiber bundle to the side of the filtered water collection device, and several small holes that pass through the surface of the filtered water collection device are collected into the filtered water collection. The device filters the water. Before cleaning, the porous compression plate passes through the screw mechanism or push-pull rod mechanism or chain. Configuration or a cam mechanism or a link mechanism or the like mechanism capsules reverse driven gear, the release of compressive force on the filter tow of the fiber bundle layer was filtered membered fully relax.

2. A mechanically compressed lateral flow fiber bundle filtration method according to claim 1, wherein the cleaning water is washed in a downward flow and an upward flow alternate manner, and the cleaning air is filtered through the fiber bundle from bottom to top. Layer, or use washing underwater to venting and upflow filling, cleaning air from bottom to top through the fiber bundle filter layer, or using cleaning water to vent the air to clean and filter the water through the filtered water The water device is countercurrently filled with water, the cleaning air passes through the fiber bundle filter layer from bottom to top, or the filtered water is filtered through the filtered water collecting device countercurrent filling and cleaning method, and the cleaning air passes through the fiber bundle filtering layer from bottom to top.

3. A mechanically compressed lateral flow fiber bundle filtration device, characterized in that the device comprises a gravity type fiber bundle filter and a pressure type fiber bundle filter, the device mainly comprising a casing, a fiber bundle filter unit, a filter inlet pipe, Filtering the water outlet pipe, cleaning the intake pipe and the drain pipe, the fiber bundle filter unit is installed in the casing, the filter inlet pipe and the drain pipe are connected with the casing, the filter outlet pipe insertion casing is connected with the fiber bundle filter unit, and the purge intake pipe is inserted into the casing. It is connected to the gas distribution device in the fiber bundle filter unit or to the gas distribution device disposed under the fiber bundle filter unit.

4. The mechanically compressed lateral flow fiber bundle filtering device according to claim 3, wherein the fiber bundle filtering unit mainly comprises a filter assembly, a compression mechanism, a filtered water collection device, The gas distribution device, the filtering water outlet pipe, the cleaning air inlet pipe, and the machine base, the flat surfaces of the plurality of filtered water collecting devices are vertically installed on the machine base at a certain interval, and the flat surface of the filter material assembly faces the flat surface of the filtered water collecting device Installed on both sides of the filtered water collection device, a porous compression plate is disposed on the side of the filter assembly away from the filtered water collection device, and the porous compression plate is passed through a screw mechanism or a push-pull rod mechanism or a chain mechanism or a cam mechanism or a link mechanism or a capsule. One or a combination of a transmission mechanism such as a mechanism is connected to a driving device such as a motor or a cylinder, and the filtered water pipe passes through a plurality of filtered water collecting devices and is connected to each of the filtered water collecting devices, and the gas distributing device is disposed in the filter assembly. In the lower part, the gas distribution device is connected to the cleaning intake pipe.

5. The mechanically compressed lateral flow fiber bundle filtering device according to claim 3, wherein the fiber bundle filtering unit is assembled by a plurality of filtering units, and the filtering unit mainly comprises a filtered water collecting device and a filter assembly. The porous compression plate, the gas distribution device, the cleaning air inlet pipe, and the filtered water outlet pipe are arranged. The filter material assembly is installed on both sides of the filtered water collecting device, and the porous compression plate is disposed on the side of the filter material assembly away from the filtered water collecting device. The gas device is disposed under the filter material assembly, the gas distribution device is connected with the cleaning air inlet pipe, the filtered water outlet pipe is connected with the filtered water collecting device, and the cleaning air inlet pipe and the cleaning air inlet pipe are connected by a flange between the filtering unit and the filtering unit, and filtered. The water pipe and the filter outlet pipe are flanged, and several filter units are assembled on the same frame.

The mechanical compression lateral flow fiber bundle filtering device according to claim 4 or 5, wherein the filter assembly is mainly composed of a fiber bundle filter, an upper filter plate and a lower filter plate, and the fiber bundle The upper end of the filter element is connected to the upper filter plate through a connecting member, and the lower end of the fiber bundle filter element is connected to the lower filter plate through a connecting member, and the plurality of fiber bundle filter elements constitute a filter layer, and the fiber bundle filter element is made of fiber filaments, The filter plate and the lower filter plate are provided with a plurality of water holes or vent holes, which are made of one or a combination of FRP, plastic, resin, stainless steel, carbon steel anticorrosion, and the connecting pieces are ropes, rubber strips, plastic strips, stainless steel wires. , metal ring, plastic ring, bolt, plug-in type.

7. A mechanically compressed lateral flow fiber bundle filtering device according to claim 4 or 5, wherein the compression mechanism mainly comprises a porous compression plate, a screw mechanism or a push-pull rod mechanism or a chain mechanism or a cam mechanism or a connecting rod. One or a combination of transmission mechanisms such as a mechanism or a capsule mechanism, a drive device such as an electric motor or a cylinder, or a perforated compression plate that passes through a screw mechanism or a push-pull rod mechanism or a chain mechanism or a cam mechanism or a transmission mechanism such as a link mechanism or a capsule mechanism The combination is connected to a driving device such as a motor or a cylinder, and a driving device such as a cylinder or a motor is mounted on the top or the casing of the filtered water collecting device through a bracket.

8. The mechanically compressed lateral flow fiber bundle filtering device according to claim 7, wherein the porous compression plate is a grid plate or a perforated plate, and is made of glass fiber reinforced plastic or carbon steel or stainless steel or plastic. Or a combination, at least one nut for threaded connection with the screw is mounted on the porous compression plate, or at least one support member for supporting and controlling the posture is mounted on the porous compression plate, the screw mechanism is a chain-screw mechanism The utility model mainly comprises a screw, a driving sprocket, a main drive sprocket, a synchronous distribution sprocket, a sprocket and a chain. The sprocket is mounted on the screw, the sprocket is connected with the synchronous distribution sprocket through the chain, and the synchronous distribution sprocket passes through the connecting shaft and The main drive sprocket is connected, the main drive sprocket is connected to the drive sprocket through the chain, and the drive sprocket is connected to the motor or the cylinder through the drive shaft, the screw mechanism is a rack-screw mechanism, mainly including a screw, a gear, a rack, Drive rod, the gear is mounted on the screw, the rack is connected to the drive rod, the rack is connected to the gear, the drive rod and the cylinder or The motor is connected, the thread on the screw is arranged in sections, and the adjacent two threads are oppositely rotated. Each thread is connected with a nut mounted on the porous compression plate. When the screw rotates in the same direction, the adjacent porous compression plates are mutually Close to or away from each other, the rack may be a single or multiple combinations, the push-pull rod mechanism mainly comprises a push-pull rod, and the push-pull rod is connected with a plurality of porous compression plates, the chain mechanism mainly comprises a chain, a sprocket, a chain and a plurality of porous compression plates are connected, the chain is coupled to the sprocket, the cam mechanism mainly comprises a cam, a transmission rod, etc., and the cam is mounted on the transmission rod, the linkage mechanism mainly comprises a connecting rod, a screw, a nut, etc., the nut is installed At the junction of the connecting rods, the screw is threaded through the nut, and the capsule mechanism mainly comprises a capsule, a filling and draining pipe or a charging and exhausting pipe, and the charging and discharging pipe or the charging and exhausting pipe is connected with the capsule.

9. A mechanically compressed lateral flow fiber bundle filtering device according to claim 4 or 5, wherein said filtered water collecting device is a hollow flat box having a six-sided closed shape, facing the fiber bundle filter. The flat surface of the element has a plurality of water holes or slits, and the filtered water collecting device is made of one or a combination of stainless steel or carbon steel anticorrosive or glass fiber reinforced plastic or plastic.

10. A mechanically compressed lateral flow fiber bundle filtering device according to claim 4 or 5, wherein the base is made of carbon steel anticorrosive or stainless steel or concrete or fiberglass, and the base is arranged in the fiber bundle filter unit. The bottom is used to support the unit and to fix the unit to the bottom of the housing.

The height of the base is 50-500 mm.