CN214634495U

CN214634495U - High efficiency filter with back flush function

Info

Publication number: CN214634495U
Application number: CN202120502558.5U
Authority: CN
Inventors: 曾荣良
Original assignee: Chongqing Zhongchuangdingxin Intelligent Energy Saving Technology Co Ltd
Current assignee: Chongqing Zhongchuangdingxin Intelligent Energy Saving Technology Co Ltd
Priority date: 2021-03-10
Filing date: 2021-03-10
Publication date: 2021-11-09
Anticipated expiration: 2031-03-10

Abstract

The utility model relates to a sewage treatment technical field especially relates to a high efficiency filter with back flush function. Including straining a cylinder seat, strain and be equipped with a section of thick bamboo on the cylinder seat, the bottom of straining a section of thick bamboo is equipped with former inlet tube and blow off pipe, the upper end of straining a section of thick bamboo is equipped with the net exit tube, the inside of straining a section of thick bamboo is equipped with 2 fibrous filter at least, the both sides of straining a section of thick bamboo are equipped with relatively and wash inlet tube mechanism and wash outlet pipe mechanism, wash inlet tube mechanism and can wash the impurity of the bottom surface of fibrous filter and drop to discharge to strain a section of thick bamboo outside through washing the impurity that drops between the outlet pipe mechanism with adjacent fibrous filter. This technical scheme is used for solving among the prior art fibrous filter and adopts the accumulational mode of filter material to filter to the filter structure that leads to is complicated, the filter effect is poor, the filter material washs thoroughly, change the filter material and waste time and energy and the big problem of equipment weight.

Description

High efficiency filter with back flush function

Technical Field

The utility model relates to a sewage treatment technical field especially relates to a high efficiency filter with back flush function.

Background

The fiber filter is a common device in the field of industrial water treatment, and absorbs and intercepts suspended matters in water through a filter material made of fiber materials. There are various types of fibrous filters, for example: comet type fiber filter material filter, fiber ball filter, self-pressing type fiber filter and the like. The existing fiber filter generally comprises a tank body, wherein a water inlet, a water outlet and the like are arranged on the tank body, and a filter screen, a filter material and the like are arranged inside the tank body.

At present, liquid is filtered, and filter materials are generally adopted to accumulate, precipitate and filter, and the problems that the filter structure is complex, the filtering effect is poor, the filter materials are not thoroughly cleaned, the filter materials are time-consuming and labor-consuming to replace, the weight of equipment is large and the like exist in the filtering mode.

SUMMERY OF THE UTILITY MODEL

Not enough to the above-mentioned technique, the utility model aims to provide a high efficiency filter with back flush function for fiber filter adopts the accumulational mode of filter material to filter among the solution prior art, thereby the filter structure that leads to is complicated, the filter effect is poor, the filter material washs not thoroughly, change the filter material and waste time and energy and the big problem of equipment weight.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a high efficiency filter with back flush function, includes and strains a barrel holder, it strains a section of thick bamboo to be equipped with on straining the barrel holder, the bottom of straining a section of thick bamboo is equipped with former inlet tube and blow off pipe, the upper end of straining a section of thick bamboo is equipped with the net exit tube, the inside of straining a section of thick bamboo is equipped with 2 fibrous filter boards at least, the both sides of straining a section of thick bamboo are equipped with relatively and wash inlet tube mechanism and wash outlet pipe mechanism, wash inlet tube mechanism and can wash the impurity of the bottom surface of fibrous filter board and drop to discharge to strain a section of thick bamboo outside through washing the impurity that drops between the outlet pipe mechanism with adjacent fibrous filter board.

The working principle of the technical scheme is as follows:

former inlet tube will have the inside of straining a section of thick bamboo with the slow injection of sewage of impurity, makes the gradual top motion of straining a section of thick bamboo of sewage case, moves to strain the upper end of a section of thick bamboo and passes through the inlet tube discharge to next filter equipment in, in sewage gradually upward movement's in-process, sewage can follow supreme each fiber filter through cartridge filter inside down, makes the requirement that the water source accords with the water.

After this filter of long-time use, will a large amount of impurity of adhesion on the fibre filter, the valve that will wash the inlet tube this moment is opened, make backwash inlet branch pipe to straining a water injection in, and wash the bottom surface of fibre filter, make the impurity on the fibre filter washed and dropped, then under the effect of rivers impact force, the impurity that will drop drives to the discharge of backwash discharge branch pipe inlet department that washes outlet pipe mechanism, make the difficult chucking of impurity block up on the fibre filter, thereby realize the washing to fibre filter in this filter equipment, the used repeatedly of being convenient for.

Further inject, wash inlet tube mechanism and include that at least one backwash is intake to be responsible for, at least 3 from last to fixed arrange at the backwash of straining the outside of a section of thick bamboo branch pipe and correspond the backwash valve of setting on backwash inlet branch pipe down, backwash inlet branch pipe's one end with strain a section of thick bamboo intercommunication, backwash inlet branch pipe's the other end and backwash inlet are responsible for the intercommunication, the fiber filter setting is between uppermost backwash inlet branch pipe and lower extreme backwash inlet branch pipe, just fiber filter's below all is equipped with a backwash inlet branch pipe.

Further inject, wash outlet pipe mechanism and include that at least one backwash drainage is responsible for, at least one backwash drainage branch pipe and correspond the washing valve that sets up on backwash drainage branch pipe, backwash drainage branch pipe's one end with strain a section of thick bamboo intercommunication, backwash drainage branch pipe's the other end and backwash drainage are responsible for the intercommunication, backwash drainage branch pipe sets up between adjacent fiber filter, and is located the below of backwash water inlet branch pipe.

Further inject, on the play water end of backwash inlet branch pipe points to the bottom surface of fiber filter, the upper surface of the end lower wall of intaking of backwash drainage branch pipe and fiber filter flushes, and its beneficial part lies in, promotes backwash inlet branch pipe and to the washing effect of fiber filter to and promote the blowdown ability of backwash drainage branch pipe.

Further inject, the upper and lower both ends of straining a section of thick bamboo are equipped with filter cartridge cover and lower filter cartridge cover respectively, all adopt flange joint between upper filter cartridge cover and the lower filter cartridge cover and strain a section of thick bamboo, and its beneficial effect lies in, the setting of upper filter cartridge cover and lower filter cartridge cover is convenient for clear up and change the inside fiber filtration net of straining a section of thick bamboo.

Further inject, the fiber filter includes filter screen seat, goes up the filter screen, filter screen and pressure otter board down, the inboard of filter screen seat is equipped with annular arch, go up the filter screen and set up respectively in bellied upper and lower both sides with lower filter screen, and compress tightly fixedly with pressing the otter board with last filter screen and lower filter screen, its beneficial part lies in, fiber filter's filter media utilization ratio is high, and the consume volume is little, is fit for using in this filter equipment.

The filter device is characterized by further comprising an upper air pipe arranged on the upper filter cylinder cover and a lower air pipe arranged on the lower filter cylinder cover, wherein the upper air pipe and the lower air pipe are communicated with the inside of the filter cylinder, and the filter device has the advantages that when backwashing is carried out, air is injected into the filter cylinder through the lower air pipe, the air can form air flow when entering liquid, and the air flow can carry out impurity in the fiber filter plate due to the fact that the air flow has strong carrying capacity on the impurity in the upward movement process and is discharged through the backwashing drainage branch pipe, so that the backwashing effect is enhanced, meanwhile, the impurity in the blocked meshes of the fiber filter plate can be discharged through air pressure, and the filtering effect of the filter device is further improved.

Further inject, it is a plurality of the fibre filter screen arrange from top to bottom the setting in setting up in same filter screen section of thick bamboo, and with detachable the connection between the filter screen section of thick bamboo, filter screen section of thick bamboo and the inside joint of straining a section of thick bamboo, its beneficial part lies in, makes installation, clearance and the maintenance of fibre filter more convenient.

The filter screen plates are characterized in that the filter screen holes of at least two groups of the fiber filter plates are gradually increased from bottom to top, and the filter screen plate has the advantages that impurities or particles can be filtered layer by the fiber filter plates from large to small according to the particle sizes, so that the risk of blockage of the fiber filter plates can be reduced.

The technical effects of the utility model are that:

(1) the fiber filtering plate arranged up and down in the filter cartridge can realize the classified filtration of sewage, and has the advantages of high filtration efficiency, simple filtration process, long filtration effective period, simple maintenance and the like. (2) The cooperation of back flush inlet tube mechanism and back flush drain pipe mechanism in this filter is used, can realize washing straining the impurity on the inside fiber filter of section and discharging to the outside of straining a section of thick bamboo, has improved the utilization ratio of filter media in this filter, makes filter media can reuse, when having practiced thrift the cost, has still simplified the cleaning process of filter media. (3) The fiber filter plate is arranged in the filter cylinder for filtering, so that the using amount of the filter material is reduced, and the quality of the filter is reduced.

Drawings

FIG. 1 is a schematic front view of a filter according to this embodiment;

FIG. 2 is a schematic top view of a filter according to this embodiment;

FIG. 3 is a schematic side view of a filter according to this embodiment;

fig. 4 is a schematic cross-sectional view of a fiber filter plate according to this embodiment.

Reference numerals

The filter comprises an upper air pipe 1, a lower air pipe 2, a filter cylinder seat 3, a filter cylinder 4, an upper filter cylinder cover 5, a lower filter cylinder cover 6, a fiber filter plate 7, a backwashing water inlet main pipe 8, a backwashing water inlet branch pipe 9, a backwashing valve 10, a backwashing water discharge main pipe 11, a backwashing water discharge branch pipe 12, a washing valve 13, a cleaning outlet pipe 14, a sewage discharge pipe 15, an original water inlet pipe 16, a filter screen seat 17, an upper filter screen 18, a lower filter screen 19 and a screen pressing plate 20.

Detailed Description

The following is further detailed by way of specific embodiments:

as shown in figures 1, 2 and 3, a high efficiency filter with back flushing function comprises a filter cylinder base 3, a filter cylinder 4 is arranged on the filter cylinder base 3, the bottom of the filter cylinder 4 is provided with an original water inlet pipe 16 for sewage to enter the filter cylinder 4 and a sewage discharge pipe 15 for impurity discharge during back flushing, the upper end of the filter cylinder 4 is provided with a cleaning pipe 14 for water flow outflow after filtration, at least two groups of fiber filter plates 7 are arranged in the filter cylinder 4, in the embodiment, the number of the fiber filter plates 7 is 4, 4 groups of the fiber filter plates 7 are arranged in the filter cylinder 4 from top to bottom, and the filtering precision of the fiber filter plates 7 from bottom to top is gradually increased, which has the advantages of layered filtration of impurities in sewage, good filtering effect, difficult blockage of the fiber filter plates 7, a flushing water inlet pipe mechanism and a flushing water outlet pipe mechanism are symmetrically arranged on the outer side of the filter cylinder 4, the washing water inlet pipe mechanism can wash and drop impurities on the bottom surfaces of the fiber filtering plates 7, and discharge the impurities dropped between the adjacent fiber filtering plates 7 to the outside of the filter cylinder 4 through the washing water outlet pipe mechanism.

Wherein the washing water inlet pipe mechanism comprises at least one backwashing water inlet main pipe 8, at least 3 backwashing water inlet branch pipes 9 fixedly arranged on the outer side of the filter cylinder 4 from top to bottom and backwashing valves 10 correspondingly arranged on the backwashing water inlet branch pipes 9, the number of the backwashing water inlet main pipes 8 is 1 in the embodiment, the number of the backwashing water inlet branch pipes 9 is 5, one ends of the backwashing water inlet branch pipes 9 are communicated with the filter cylinder 4, the other ends of the backwashing water inlet branch pipes 9 are communicated with the backwashing water inlet main pipe 8, the fiber filter plate 7 is arranged between the uppermost backwashing pipe and the lowermost backwashing water inlet branch pipe 9, and one backwashing water inlet branch pipe 9 is arranged below the fiber filter plate 7, the washing water outlet pipe mechanism comprises at least one backwashing water outlet main pipe 11, at least one backwashing water outlet branch pipe 12 and washing valve 13 correspondingly arranged on the backwashing water outlet branch pipe 12, the number of the backwashing water outlet main pipes 11 is 1 in the embodiment, the number of the backwashing water discharge branch pipes 12 is 3, wherein one end of each backwashing water discharge branch pipe 12 is communicated with the filter cylinder 4, the other end of each backwashing water discharge branch pipe 12 is communicated with the backwashing water discharge main pipe 11, and each backwashing water discharge branch pipe 12 is arranged between the adjacent fiber filter plates 7 and is positioned below the backwashing water inlet branch pipe 9.

Preferably, the upper end and the lower end of the filter cylinder 4 are respectively provided with an upper filter cylinder cover 5 and a lower filter cylinder cover 6, the upper filter cylinder cover 5 and the lower filter cylinder cover 6 are connected with the filter cylinder 4 by flanges, an upper air pipe 1 on the upper filter cylinder cover 5 and a lower air pipe 2 on the lower filter cylinder cover 6 are provided, the upper air pipe 1 and the lower air pipe 2 are communicated with the interior of the filter cylinder 4, the filter cylinder has the advantages that the society of the upper filter cylinder cover 5 and the lower filter cylinder cover 6 is convenient to clean and replace the fiber filter screen in the filter cylinder 4, and when backwashing is carried out, air is injected into the filter cylinder 4 through the lower air pipe 2, air flow is formed when entering liquid, and during the upward movement of the air flow, because the air flow has strong carrying capacity for impurities, the impurities in the fiber filter plate 7 can be carried out and discharged through the backwashing drainage branch pipe 12, so that the backwashing effect is enhanced, meanwhile, the gas pressure can discharge impurities in the blocked meshes of the fiber filter screen, so that the back washing effect is enhanced.

As shown in fig. 4, the fiber filtering plate 7 includes a filtering net seat 17, an upper filtering net 18, a lower filtering net 19 and a net pressing plate 20, wherein an annular protrusion is disposed inside the filtering net seat 17, the upper filtering net 18 and the lower filtering net 19 are respectively disposed on the upper side and the lower side of the protrusion, the upper filtering net 18 and the lower filtering net 19 are pressed and fixed by the net pressing plate 20, and the net pressing plate 20 is an annular plate and fixed on the side wall inside the filtering net seat 17.

Preferably, the water outlet end of the backwash water inlet branch pipe 9 points to the bottom surface of the fiber filter plate 7, and the water inlet end lower wall of the backwash water outlet branch pipe 12 is flush with the upper surface of the fiber filter plate 7, so that the scouring effect of the backwash water inlet branch pipe 9 on the fiber filter plate 7 is improved, and the sewage discharge capacity of the backwash water outlet branch pipe 12 is improved. 4 group's fiber filter net arrange from top to bottom set up in same filter screen section of thick bamboo inside, and with filter screen section of thick bamboo between detachable the connection, filter screen section of thick bamboo and the inside joint of straining a section of thick bamboo 4, its beneficial part lies in, makes installation, clearance and the maintenance of fiber filter 7 more convenient.

It should be noted that, in the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides a high efficiency filter with back flush function, includes and strains a barrel holder, it strains a section of thick bamboo to be equipped with on straining the barrel holder, the bottom of straining a section of thick bamboo is equipped with former inlet tube and blow off pipe, the upper end of straining a section of thick bamboo is equipped with the net exit tube, its characterized in that, the inside of straining a section of thick bamboo is equipped with 2 groups fiber filter at least, the both sides of straining a section of thick bamboo are equipped with relatively and wash inlet tube mechanism and wash outlet pipe mechanism, wash inlet tube mechanism and can wash the impurity of the bottom surface of fiber filter and drop to discharge to strain a section of thick bamboo outside through washing the impurity that drops between the outlet pipe mechanism with adjacent fiber filter.

2. The high efficiency filter with backwashing function of claim 1, wherein the flushing water inlet pipe mechanism comprises at least one backwashing water inlet main pipe, at least 3 backwashing water inlet branch pipes fixedly arranged on the outer side of the filter cylinder from top to bottom and backwashing valves correspondingly arranged on the backwashing water inlet branch pipes, one end of each backwashing water inlet branch pipe is communicated with the filter cylinder, the other end of each backwashing water inlet branch pipe is communicated with the backwashing water inlet main pipe, the fiber filter plate is arranged between the uppermost backwashing water inlet branch pipe and the lowermost backwashing water inlet branch pipe, and a backwashing water inlet branch pipe is arranged below the fiber filter plate.

3. The high efficiency filter with backwashing function of claim 1, wherein the flushing water outlet pipe mechanism comprises at least one backwashing water discharge main pipe, at least one backwashing water discharge branch pipe and a flushing valve correspondingly arranged on the backwashing water discharge branch pipe, one end of the backwashing water discharge branch pipe is communicated with the filter cylinder, the other end of the backwashing water discharge branch pipe is communicated with the backwashing water discharge main pipe, and the backwashing water discharge branch pipe is arranged between adjacent fiber filter plates and is positioned below the backwashing water inlet branch pipe.

4. The high-efficiency filter with the backwashing function as claimed in claim 3, wherein the water outlet end of the backwashing water inlet branch pipe is directed to the bottom surface of the fiber filter plate, and the lower wall of the water inlet end of the backwashing water outlet branch pipe is flush with the upper surface of the fiber filter plate.

5. The high-efficiency filter with the back washing function as claimed in claim 1, wherein the upper end and the lower end of the filter cylinder are respectively provided with an upper filter cylinder cover and a lower filter cylinder cover, and the upper filter cylinder cover and the lower filter cylinder cover are connected with the filter cylinder through flanges.

6. The high efficiency filter with back flushing function as claimed in claim 1, wherein the fiber filtering plate comprises a filtering net seat, an upper filtering net, a lower filtering net and a pressing net plate, wherein the inner side of the filtering net seat is provided with an annular bulge, the upper filtering net and the lower filtering net are respectively arranged at the upper side and the lower side of the bulge, and the upper filtering net and the lower filtering net are pressed and fixed by the pressing net plate.

7. The high efficiency filter with backwashing function of claim 1, further comprising an upper air pipe provided on the upper filter cartridge cover and a lower air pipe provided on the lower filter cartridge cover, wherein the upper air pipe and the lower air pipe are communicated with the inside of the filter cartridge.

8. The high-efficiency filter with the back washing function as claimed in claim 1, wherein the plurality of fiber filter screens are arranged up and down and are arranged in the same filter screen cylinder, and are detachably connected with the filter screen cylinder, and the filter screen cylinder is clamped with the inside of the filter cylinder.

9. The high efficiency filter with back flushing function as claimed in claim 1, wherein the number of the filtering holes of at least two groups of the filtering fiber plates is gradually increased from bottom to top.