CN215310420U

CN215310420U - Maintenance-free filter

Info

Publication number: CN215310420U
Application number: CN202121058005.1U
Authority: CN
Inventors: 姚洪谦; 谢成林
Original assignee: Weihai Shuanghe Energy Saving And Environmental Protection Technology Co ltd
Current assignee: Shandong Shuanghe Energy Saving And Environmental Protection Technology Co ltd
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2021-12-28
Anticipated expiration: 2031-05-18

Abstract

The utility model provides a maintenance-free filter which is provided with a shell, wherein a backflushing opening is formed in the shell, a water inlet is formed in the upper portion of the shell, a water outlet is formed in the lower portion of the shell, an upper pore plate and a lower pore plate are arranged in the shell, a filter material is arranged on the lower pore plate, the pore diameters of the upper pore plate and the lower pore plate are smaller than the overall dimension of the filter material, and a sewage outlet is further formed in the upper portion of the shell, which is located above the upper pore plate. The filter solves the technical problems that the existing filter is easy to block when used for treating sewage containing impurities such as plush, fibers and the like discharged in industries such as printing and dyeing, bathing and the like, the filter is high in maintenance cost, and the sewage treatment efficiency is influenced. The utility model can be widely applied to the treatment of sewage containing fine impurities.

Description

Maintenance-free filter

Technical Field

The utility model relates to sewage treatment equipment, in particular to a maintenance-free filter.

Background

In the industries of printing and dyeing, bathing and the like, because the water consumption is large, in order to realize sustainable development of environmental protection and energy conservation, the discharged sewage needs to be treated and then recycled, the sewage contains more impurities such as plush, fibers and the like, the sewage is easy to block by adopting the traditional filter treatment, a large amount of manpower and material resources are consumed for the maintenance of the filter, and the sewage treatment efficiency is seriously influenced.

Disclosure of Invention

The utility model provides a maintenance-free filter which has a simple structure, is reliable in operation and low in manufacturing cost and can timely and automatically clean impurities, aiming at the technical problems that when the existing filter is used for treating sewage containing impurities such as lint and fibers discharged in the industries such as printing and dyeing, bathing and the like, the filter is easy to block, the maintenance cost of the filter is higher, and the sewage treatment efficiency is influenced.

The maintenance-free filter is provided with a shell, a backflushing opening is formed in the shell, a water inlet is formed in the upper portion of the shell, a water outlet is formed in the lower portion of the shell, an upper pore plate and a lower pore plate are arranged in the shell, filter materials are arranged on the lower pore plate, the pore diameters of the upper pore plate and the lower pore plate are smaller than the overall size of the filter materials, and a drain outlet is formed in the upper portion of the shell, which is located above the upper pore plate.

Preferably, the backflush port comprises a bottom backflush port and a tangential backflush port.

Preferably, the side surface of the shell is provided with a viewing port.

Preferably, an electric valve is arranged on the water inlet.

Preferably, the filter material is spherical particles, and the aperture of the upper pore plate and the aperture of the lower pore plate are both smaller than the diameter of the filter material.

Preferably, the filter material is made of low-density, high-strength and corrosion-resistant material.

Preferably, a water distributor is arranged below the water inlet, and a water distributor is arranged on the back flushing port at the bottom.

Preferably, the electric valve realizes the opening and closing of the water inlet by monitoring the pressure difference or the flow of the water inlet.

The beneficial effects of the utility model are that,

(1) according to the technical scheme, the light filter material is arranged between the two layers of pore plates, large-particle impurities in sewage are directly filtered on the upper pore plate, fine particles in the sewage are filtered by the filter material, the filter material is washed by matching with the backwashing port, the impurities adhered to the filter material are washed away, the impurities enter the drain outlet through the upper pore plate and are discharged, the filter material is not easily adhered by dirt, the passing capacity and the filtering effect of equipment are improved, the maintenance period of the equipment is greatly prolonged, the filter material does not need to be frequently replaced, and the operation and maintenance cost is reduced;

(2) the backflushing adopts a mode of matching a bottom backflushing port and a tangential backflushing port, the bottom backflushing port flushes the filter material loose from bottom to top, impurities and clay attached to or infiltrated into the filter material layer are detached and separated, and the filter material is discharged through a drain outlet under the action of water flow; the tangential backwashing port can form tangential rotating water flow to stir the surface layer filter material and sediment, and the tangential rotating water flow and the sediment are matched for use, so that impurities on the filter material and the pore plate can be thoroughly cleaned, a better backwashing effect is realized, and the filtering quality is further improved;

(3) the filter materials are made of low-density materials, so that the filter materials can float along with the impact of water flow, the filter materials are prevented from being adhered to each other, and the filter materials can be applied to various waste water without being corroded and resist scouring due to the adoption of high-strength and corrosion-resistant materials, so that the service life is prolonged;

(4) the filter material is arranged on the lower pore plate, and when the filter material is backflushed, the filter material floats upwards under the action of backflushing water, and the filter material can be effectively prevented from losing due to the arrangement of the upper pore plate;

(5) the water distributor is arranged below the water inlet, so that sewage can be uniformly dispersed and pass through the upper orifice plate when entering the shell, the influence of local impurity accumulation on the sewage passing effect due to the concentrated action of the sewage on the local part of the upper orifice plate is avoided, and the filtering efficiency is reduced; a water separator is arranged above the back flushing opening at the bottom, so that back flushing water from bottom to top is dispersed, filter materials at all positions are fully dispersed, the cleaning effect of the filter materials is improved, and the maintenance period is further prolonged;

(6) because of being equipped with the motorised valve, when the motorised valve monitored the pressure differential of water inlet or flow exceeded the threshold value that sets for, promptly for impurity is more, need wash the filter material, closed the water inlet this moment, opened the recoil mouth, the filter material discharge impurity of wasing fast, convenient, swift, reliable.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view A-A of an embodiment of the present invention;

FIG. 3 is a schematic view of an embodiment of the present invention B-B;

FIG. 4 is a schematic view of C-C of an embodiment of the present invention.

The symbols in the drawings illustrate that:

1. a housing; 2. tangential backflushing; 3. a water outlet; 4. a bottom backflush port; 5. a viewing port; 6. an electrically operated valve; 7. an upper orifice plate; 8. a lower orifice plate; 9. filtering the material; 10. a sewage draining outlet; 11. a water distributor; 12. a water separator; 13. a water inlet.

Detailed Description

The present invention will be further described with reference to the following examples.

The utility model provides a non-maintaining filter, be equipped with casing 1, be equipped with orifice plate 7 and lower orifice plate 8 in the casing 1, be equipped with filter material 9 on the lower orifice plate, filter material 9 adopts globular particle, the aperture of going up orifice plate 7 and the aperture of lower orifice plate 8 all are less than the diameter of filter material 9, guarantee that filter material 9 can not lose through the hole of going up orifice plate 7 or lower orifice plate 8, filter material 9 adopts globular particle more shock-resistant, difficult broken or wearing and tearing, also can adopt other shapes of small granule under the prerequisite of guaranteeing overall dimension not less than last orifice plate 7 and lower orifice plate 8 aperture according to actual need. The bottom of the shell 1 is provided with a bottom backwashing port 4, a water separator 12 is arranged above the bottom backwashing port 4, backwashing water from bottom to top is dispersed, the filter materials 9 at all positions are fully dispersed, the cleaning effect of the filter materials 9 is improved, and the maintenance period of the equipment is further prolonged. The side surface of the shell 1 is also provided with a tangential backflushing port 2, the tangential backflushing port 2 is positioned between the upper orifice plate 7 and the lower orifice plate 8, and the shell 1 at the upper part of the upper orifice plate 7 is also provided with a sewage outlet 10. The backflushing adopts a mode of combining the bottom backflushing port 4 and the tangential backflushing port 2, the bottom backflushing port 4 impacts the filter material 9 from bottom to top, the filter material 9 floats upwards and becomes loose under the action of the backflushing water, impurities and clay attached to or permeated into the filter material layer are scattered and separated, and the filter material is discharged through the sewage outlet 10 under the action of water flow; tangential backflushing mouth 2 can form tangential rotation rivers, stirs top layer filter material 9 and precipitate, and the two cooperation is used, and the impurity on clearance filter material 9 that can be more thorough and the orifice plate realizes better recoil effect, and then promotes the quality of crossing water.

The density of the material of the filter material 9 is not more than 3g/cm³The filter material 9 is made of low-density, high-strength and corrosion-resistant materials, and specifically can be made of polyformaldehyde particles, so that the filter material 9 can float along with the impact of water flow, the filter material 9 is prevented from being adhered to each other, and the filter material can be applied to various waste water without being corroded and scoured due to the adoption of the high-strength and corrosion-resistant materials, and the service life is prolonged.

The upper portion of the shell 1 is provided with a water inlet 13, a water distributor 11 is arranged below the water inlet 13, sewage enters the shell 1 from the water inlet 13 through the water distributor 11, the sewage can be uniformly dispersed through the upper pore plate 7 when entering the shell 1, the phenomenon that the local impurities are accumulated on the local part of the upper pore plate 7 to influence the sewage passing effect is avoided, and the filtering efficiency is reduced. The lower part of the shell 1 is provided with a water outlet 3, and the filtered water is discharged to a water collecting tank or other places where the filtered water is directly applied from the water outlet 3. The large-particle impurities filtered by the upper orifice plate 7 and the impurities flushed from the filter material 9 are discharged through the sewage outlet 10 under the action of water flow. The side surface of the shell 1 is provided with an observation port 5, so that the condition of the filter material 9 in the shell 1 can be observed in real time, the washing and cleaning can be carried out in time, and the filtering effect is ensured.

Be equipped with motorised valve 6 on the water inlet 13, motorised valve 6 realizes the switch of water inlet 13 through the pressure differential or the flow of monitoring water inlet 13 department, specifically is: when more emergence of impurity is blockked up, water inlet 13 department pressure can the grow, and the flow can diminish, when motorised valve 6 monitored the pressure differential or the flow of water inlet 13 and surpassed the threshold value of settlement, promptly for impurity is more, need wash filter material 9, close water inlet 13 this moment, open bottom recoil mouth 4 and tangential recoil mouth 2, wash filter material 9 discharge impurity fast, and is convenient, swift, reliable, also can only open bottom recoil mouth 4 or tangential recoil mouth 2 according to operating condition.

This technical scheme is through setting up the light filter material between two-layer orifice plate, directly filter the large granule impurity in the sewage on last orifice plate 7, tiny granule in the sewage is filtered by filter material 9, cooperate the recoil mouth again and wash filter material 9, will glue the impurity washout that glues on filter material 9, it discharges to enter drain 10 behind last orifice plate 7, filter material 9 is difficult to be glued by the filth, the throughput capacity and the filter effect of equipment have been improved, great extension the maintenance cycle of equipment, filter material 9 is wear-resisting corrosion-resistant, do not need frequent change, the operation maintenance cost has been reduced.

However, the above description is only exemplary of the present invention, and the scope of the present invention should not be limited thereby, and the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should be covered by the claims of the present invention.

Claims

1. The maintenance-free filter is characterized in that a shell is arranged, a backflushing opening is formed in the shell, a water inlet is formed in the upper portion of the shell, a water outlet is formed in the lower portion of the shell, an upper pore plate and a lower pore plate are arranged in the shell, a filter material is arranged on the lower pore plate, the pore diameters of the upper pore plate and the lower pore plate are smaller than the overall dimension of the filter material, and a drain outlet is formed in the upper portion of the shell on the upper portion of the upper pore plate.

2. The maintenance-free filter of claim 1, wherein the backflush port comprises a bottom backflush port and a tangential backflush port.

3. The maintenance-free filter of claim 1, wherein the housing is provided with a viewing port on a side thereof.

4. The maintenance-free filter of claim 1, wherein an electric valve is arranged on the water inlet.

5. The maintenance-free filter of claim 1, wherein the filter material is spherical particles, and the pore size of the upper pore plate and the pore size of the lower pore plate are smaller than the diameter of the filter material.

6. The maintenance-free filter of claim 1, wherein the filter material is a low density, high strength, corrosion resistant material.

7. The maintenance-free filter of claim 2, wherein a water distributor is arranged below the water inlet, and a water distributor is arranged on the back flushing port at the bottom.

8. The maintenance-free filter of claim 4, wherein the electric valve is used for opening and closing the water inlet by monitoring the pressure difference or flow of the water inlet.