CN216497666U

CN216497666U - Fiber filter

Info

Publication number: CN216497666U
Application number: CN202122710502.1U
Authority: CN
Inventors: 李越彪; 刘怡蔚; 林会杰; 高现; 陈晓杰; 张卓
Original assignee: Yantai Jinzheng Eco Technology Co ltd
Current assignee: Yantai Jinzheng Eco Technology Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-05-13
Anticipated expiration: 2031-11-08

Abstract

The utility model belongs to water treatment equipment, and particularly relates to a fiber filter which comprises a filter cylinder, a hollow fiber bundle and a filter screen, wherein the hollow fiber bundle and the filter screen are arranged in the filter cylinder, a rotary fastener is arranged at the top end of the hollow fiber bundle, the rotary fastener is connected with a driving motor arranged above the filter cylinder through a shaft rod, the bottom end of the hollow fiber bundle is connected to a fixing plate at the lower part of the filter cylinder, the hollow fiber bundle is divided into an inner layer and an outer layer, the hollow fiber layer with low filtering precision is wrapped by the hollow fiber layer with high filtering precision, and the driving motor drives the rotary fastener to rotate through the rotation of the driving shaft rod, so that the hollow fiber bundle is simultaneously twisted. The utility model has the advantages of high filtering precision, long service life, convenient installation and the like.

Description

Fiber filter

Technical Field

The utility model belongs to water treatment equipment, and particularly relates to a fiber filter.

Background

The reverse osmosis technology is the most advanced, energy-saving and effective membrane separation technology at present, and is widely applied to various water treatment processes such as high salt water, landfill leachate, mine water, coal chemical wastewater and the like. The reverse osmosis membrane used in the reverse osmosis technology is expensive in cost, is easily damaged by the influence of overproof impurities, and is difficult to repair.

The fiber filter is used as a pretreatment unit in the reverse osmosis system, has poor water quality in treatment, is mainly used for intercepting overproof impurities in the system and preventing larger particulate matter and magazines from entering the reverse osmosis membrane system. Because the water quality of the treated water is poor, the fiber filter needs to be cleaned at regular time.

Traditional fiber filter fineness is lower, and goes out the water quality unstability, washs simultaneously inconveniently, the cleaning performance is obvious inadequately, and it is higher to change hollow fiber frequency, and ordinary fiber filter mouth of pipe direction is single, and peripheral mouth of pipe installation position limitation is great.

SUMMERY OF THE UTILITY MODEL

The utility model provides a fiber filter which has high filtering precision and long service life and is suitable for being installed in different engineering fields.

In order to solve the problems, the utility model discloses a fiber filter which comprises a filter cylinder, a hollow fiber bundle and a filter screen, wherein the hollow fiber bundle and the filter screen are arranged in the filter cylinder, a rotary fastener is arranged at the top end of the hollow fiber bundle, the rotary fastener is connected with a driving motor arranged above the filter cylinder through a shaft rod, the bottom end of the hollow fiber bundle is connected to a fixing plate at the lower part of the filter cylinder, the hollow fiber bundle is divided into an inner layer and an outer layer, the inner layer and the outer layer are formed by wrapping a hollow fiber layer with low filtering precision with a hollow fiber layer with high filtering precision, and the driving motor drives the rotary fastener to rotate through the rotation of the driving shaft rod, so that the two layers of hollow fibers are simultaneously twisted.

Furthermore, the filter screens of the fiber filter are divided into an inner filter screen and an outer filter screen, the hollow fiber layer with low filtering precision wraps the outer filter screen, and the hollow fiber layer with high filtering precision is positioned between the outer filter screen and the inner filter screen.

Furthermore, the fiber filter is characterized in that the filter cylinder is provided with a water inlet, a sewage outlet and a backwashing water outlet, the bottom of the filter cylinder is provided with a water producing port, and the water producing port is communicated with the central channel of the inner-layer filter screen.

Furthermore, the fiber filter is provided with corresponding spare ports at the positions symmetrical to the water inlet on the filter cylinder and the sewage outlet.

Furthermore, the fiber filter is provided with an air inlet at the bottom of the filter cylinder and an air outlet at the top of the filter cylinder.

The utility model has the beneficial effects that:

two kinds of hollow fibers with different filtering precisions are adopted, the filtering is carried out preferentially with low filtering precision, the secondary filtering is carried out with high filtering precision, and the effluent quality of the fiber filter is improved; two kinds of hollow fibers with different filtering precisions are adopted, the dispersibility is good, the flux is large, and the processing speed is 3-5 times of that of a common fiber filter.

Twice filtration is completed in the same filter cartridge, so that the treatment cost of the whole water treatment system is saved, and safer water quality is provided for subsequent reverse osmosis membrane treatment.

The water producing port can be used as a forward washing water outlet and a backwashing water inlet, so that the number of pipe orifices is reduced, and peripheral pipelines can be conveniently installed.

The air washing pipeline is additionally arranged, the hollow fibers can be washed by combining water washing and air washing in a matched mode, the removal rate of suspended substances of the hollow fibers is greatly improved, the hollow fibers can be washed more thoroughly and cleanly, and the service life of the hollow fibers is prolonged.

And a sewage outlet is additionally arranged for discharging sewage periodically, so that the retention time of hollow fiber suspended matter impurities is shortened, and the suspended matter is prevented from being adhered to the hollow fibers.

The spare port is additionally arranged, and when the peripheral pipeline is inconvenient to install at the original water inlet and the original air inlet, the spare port can be adopted to change the installation direction of the peripheral pipeline and adapt to the installation requirements of different engineering sites.

Drawings

Fig. 1 is a schematic view showing a state in which a hollow fiber layer of the present invention is taut.

FIG. 2 is a schematic view showing a loose state of the hollow fiber layer of the present invention.

Fig. 3 is a schematic view of a screen structure according to the present invention.

Fig. 4 is a top view of the installation position of the filter screen and the hollow fiber layer of the present invention.

Detailed Description

Referring to fig. 1-4, a fiber filter comprises a filter cartridge 1, a hollow fiber bundle 2 and a filter screen 3, wherein the hollow fiber bundle 2 is arranged in the filter cartridge, the top end of the hollow fiber bundle 2 is provided with a rotary fastener 4, the rotary fastener 4 is connected with a driving motor 6 arranged above the filter cartridge through a shaft lever 5, the bottom end of the hollow fiber bundle 3 is connected to a fixing plate 7 at the lower part of the filter cartridge, the hollow fiber bundle 2 is divided into an inner layer and an outer layer, and is formed by wrapping a hollow fiber layer 201 with low filtration precision with a hollow fiber layer 202 with high filtration precision, and the driving motor 6 drives the rotary fastener 4 to rotate through the rotation of the driving shaft lever 5, so that the hollow fiber bundle 2 is simultaneously twisted.

Preferably, the filter screen of the fiber filter is divided into an inner filter screen 301 and an outer filter screen 302, the hollow fiber layer 201 with low filtration precision wraps the outer filter screen 302, and the hollow fiber layer 202 with high filtration precision is positioned between the outer filter screen 302 and the inner filter screen 301.

As an optimization, the fiber filter provided by the utility model is characterized in that a water inlet 8, a sewage outlet 9 and a backwashing water outlet 10 are formed in the filter cylinder, a water producing port 11 is formed in the bottom of the filter cylinder, and the water producing port 11 is communicated with a central channel of the inner-layer filter screen 301.

As an optimization, the fiber filter is provided with a spare port 12 corresponding to the symmetrical positions of the upper water inlet 8 and the sewage outlet 9 of the filter cartridge.

As an optimization, the fiber filter of the utility model is provided with an air inlet 13 at the bottom of the filter cylinder and an air outlet 14 at the top of the filter cylinder.

Normal filtration operation, driving motor 6 drive all hollow fiber bundle 2 twist reverse, make hollow fiber bundle be in the tight state, and in the raw water got into filter vat 1 by water inlet 8, after the hollow fiber that the filter precision is low filters 201 earlier, through outer filter screen 302 again, after the hollow fiber 202 secondary filtration that the filter precision is high again, the rethread inlayer filter screen 301 reachs the filter screen center after the mouth of a river 11 discharges of producing.

During forward washing, the driving motor 6 drives all the hollow fiber bundles 2 to be loosened, so that the two layers of hollow fiber bundles are in a relaxed state, raw water enters the filter barrel 1 from the water inlet 8, the hollow fibers 201 with low filtration precision are cleaned firstly, the hollow fibers 202 with high filtration precision are cleaned after filtration, and then the raw water is discharged through the water outlet 11.

During backwashing, the driving motor 6 drives all the hollow fiber bundles 2 to be loosened, so that the hollow fibers with low filtration precision and the hollow fibers with high filtration precision are in a relaxed state, raw water enters the filter barrel 1 from the water production port 11, the hollow fibers 202 with high filtration precision are preferentially cleaned, the hollow fibers 201 with low filtration precision are cleaned, and finally impurities are carried and discharged from the backwashing water outlet 10.

During air washing, the driving motor drives all hollow fiber bundles to be loosened, so that the hollow fibers with low filtering precision and the hollow fibers with high filtering precision are in a relaxed state, air enters the filter barrel from the air inlet 13 to air wash the hollow fiber bundles, and suspended matters are driven to be discharged from the air outlet 14.

Claims

1. A fiber filter comprising a filter cartridge (1), a hollow fiber bundle (2) and a filter screen (3) disposed in the filter cartridge, characterized in that: the rotary fastening piece (4) is installed at the top end of the hollow fiber bundle (2), the rotary fastening piece (4) is connected with the driving motor (6) arranged above the filter cylinder through the shaft lever (5), the bottom end of the hollow fiber bundle (2) is connected to the fixing plate (7) arranged on the lower portion of the filter cylinder, the hollow fiber bundle (2) is divided into an inner layer and an outer layer, the hollow fiber layer (201) with low filtering precision wraps the hollow fiber layer (202) with high filtering precision to form, the driving motor (6) rotates through the driving shaft lever (5), the rotary fastening piece (4) is driven to rotate, and therefore the hollow fiber bundle (2) is twisted simultaneously.

2. The fiber filter of claim 1, wherein: the filter screen divide into inlayer filter screen (301) and outer filter screen (302), and hollow fiber layer (201) that the filter fineness is low wraps up outer filter screen (302), and hollow fiber layer (202) that the filter fineness is high is located between outer filter screen (302) and inlayer filter screen (301).

3. The fiber filter of claim 1, wherein: the filter cylinder is provided with a water inlet (8), a sewage outlet (9) and a backwashing water outlet (10), the bottom of the filter cylinder is provided with a water producing port (11), and the water producing port (11) is communicated with a central channel of the inner-layer filter screen (301).

4. The fiber filter of claim 1, wherein: a corresponding spare port (12) is arranged at the position symmetrical to the upper water inlet and the sewage outlet of the filter cylinder.

5. The fiber filter of claim 1, wherein: the bottom of the filter cylinder is provided with an air inlet (13), and the top of the filter cylinder is provided with an air outlet (14).