CN210251420U - Non-clogging rotary automatic backwashing filter device - Google Patents

Abstract

The utility model discloses a rotatory automatic backwash filter equipment of no jam, including a jar body and set up the water inlet on jar body, backwash water inlet and delivery port, the top of jar body is provided with motor reducer, jar internal rotation type filter equipment subassembly that is provided with, rotation type filter equipment subassembly includes last transverse fixing gear board, lower horizontal play water fixed plate and the vertical cyclic annular filter core of a plurality of, motor reducer's axis of rotation stretches into jar internal portion and is connecting the driving gear dish, go up transverse fixing gear board and horizontal play water fixed plate down and all fix on jar internal wall and go up transverse fixing gear board and be located horizontal play water fixed plate top down. The utility model discloses a back flush mode of rotation type has not only guaranteed filter equipment's filter effect, can carry out the back flush in step when filter equipment function moreover for filter equipment's filtration efficiency and water yield are not influenced.

Description

Non-clogging rotary automatic backwashing filter device

Technical Field

The utility model relates to an oil field extraction water treatment technical field, concretely relates to rotatory automatic backwash filter equipment of no jam.

Background

Currently, the oily sewage treatment filtering devices adopted in oil fields and other industries can be classified into the following types according to the forms of filtering media and water flow: quartz sand filters, walnut shell filters, double-layer filter material filters, fiber ball filters, various membrane filters, and the like. The filtering device is a common device and is widely applied to various industries, and the existing filtering device has the following problems in the using process: easy blockage, oil pollution of filter media, hardening, reduction of filtration speed, incapability of discharging suspended solids and machine impurities due to continuous sedimentation, frequent replacement of the filter media, and secondary pollution caused by various replaced filter materials. And the backwashing also causes the consumption of a large amount of water, which is generally three times of the effluent of normal filtering equipment, the qualified water which is not easy to filter is used for backwashing, and the backwashing effluent is changed into sewage, thereby causing secondary pollution. The machine also needs to be stopped for regular cleaning or back flushing, which causes great troubles to users and influences the normal work of the system. The membrane filter is generally made of metal membrane, fiber or ceramic materials, and the materials have certain oil pollution resistance in treatment, but can be blocked under the action of oil-containing sewage temperature, suspended solid, organic impurities and oil, so that the membrane filter cannot operate.

Disclosure of Invention

The purpose of the invention is as follows: in order to overcome the defects in the prior art, the non-blocking rotary automatic backwashing filter device is provided, the filter screen structure can be backwashed in a rotary mode under the condition of no shutdown, and the filter effect is improved on the basis of ensuring the filter efficiency.

The technical scheme is as follows: in order to realize the aim, the utility model provides a non-blocking rotary automatic backwashing filter device, which comprises a tank body, a water inlet, a backwashing water inlet and a water outlet which are arranged on the tank body, wherein the top of the tank body is provided with a motor reducer, a rotary filter device component is arranged in the tank body, the rotary filter device component comprises an upper transverse fixed gear plate, a lower transverse water outlet fixed plate and a plurality of vertical annular filter cores, the rotating shaft of the motor reducer extends into the tank body and is connected with a driving gear disc, the upper transverse fixed gear plate and the lower transverse water outlet fixed plate are both fixed on the inner wall of the tank body, the upper transverse fixed gear plate is positioned above the lower transverse water outlet fixed plate, the upper transverse fixed gear plate and the lower transverse water outlet fixed plate are respectively provided with a plurality of upper rotating gear discs and lower rotating gear discs, the upper rotating gear discs and the lower rotating gear discs are respectively provided with an upper disc opening and, the water outlet corresponding to the lower disc opening is formed in the lower transverse water outlet fixing plate, two ends of the vertical annular filter element are fixedly connected to the upper disc opening and the lower disc opening of the upper rotating gear disc and the lower rotating gear disc respectively, the upper rotating gear disc is matched with the driving gear disc, a backwashing water conveying main pipe communicated with a backwashing water inlet is arranged in the tank body, backwashing water conveying branch pipes vertically extending into the vertical annular filter element are arranged on the backwashing water conveying pipe, a plurality of nozzle devices are uniformly arranged on the backwashing water conveying branch pipes, and a sewage outlet is formed in the position, located on the side wall of the tank body, of the lower transverse water outlet fixing plate.

The design principle of the utility model is that: drive through the drive gear dish and go up the rotation gear dish and rotate, make vertical cyclic annular filter core can produce rotatoryly, the nozzle device of evenly distributed is being cooperated, make nozzle device can carry out rotatory back flush to vertical cyclic annular filter core in vertical cyclic annular filter core is inside, the filtration impurity that washes off like this still can be located rotation type filter equipment subassembly inside, make the water realization separation after filtration impurity and filtration, the suspended solid impurity that washes off, mud impurity etc. are through the automatic discharge of drain, the water after the filtration is still through delivery port discharge.

Furthermore, an oil discharge port is formed in the top of the tank body.

Further, a manhole is arranged on the tank body.

Furthermore, the lower part of the vertical annular filter element is connected to the lower rotating gear disc by adopting two O-shaped sealing rings.

The utility model discloses well cyclic annular filter core and horizontal plane filter core can be the material subassembly filter core of various high filter fluxes such as various screen cloth, powder sintering filter core, hollow fiber filter core, stainless steel sintering net filter core, stainless steel powder sintering filter core, membrane filter core, PE pipe filter core, PP pipe filter core.

Has the advantages that: compared with the prior art, the utility model, possess following advantage:

1. through the back flush mode of rotation type, can carry out very effectual back flush to the filter core, promote the washing effect to impurity such as suspended solid, mud on the filter core, guarantee filter equipment's filter effect.

2. The impurity that can wash down and the water after the filtration realize the separation and discharge, need not to stop like this, can carry out the back flush in step when filter equipment operates for filter equipment's filtration efficiency and water yield are not influenced.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a top cross-sectional view of the present invention.

Detailed Description

The present invention will be further clarified by the following description with reference to the attached drawings and specific examples, which should be understood as being merely illustrative of the present invention and not limiting the scope of the present invention, and modifications of various equivalent forms of the present invention by those skilled in the art after reading the present invention, all fall within the scope defined by the appended claims of the present application.

As shown in figures 1 and 2, the utility model provides a non-blocking rotary automatic backwashing filter device, which comprises a tank body 1, a water inlet 11, a backwashing water inlet 13, a water outlet 12, a sewage outlet 14, an oil outlet 15 and a manhole 16 which are arranged on the tank body 1, wherein the top of the tank body 1 is provided with a motor reducer 2, the tank body 1 is internally provided with a rotary filter device component, the rotary filter device component comprises an upper transverse fixed gear plate 3, a lower transverse water outlet fixed plate 4 and four vertical annular filter cores 5, the upper transverse fixed gear plate 3 and the lower transverse water outlet fixed plate 4 are both fixed on the inner wall of the tank body 1, the upper transverse fixed gear plate 3 is positioned above the lower transverse water outlet fixed plate 4, the upper transverse fixed gear plate 3 and the lower transverse water outlet fixed plate 4 are respectively provided with four upper rotary gear discs 61 and four lower rotary gear discs 62, the upper rotary gear disc 61 and the lower rotary gear discs 62 are respectively provided with an upper disc port and, a water falling port 41 corresponding to a lower disc port is arranged on the lower transverse water outlet fixing plate 4, two ends of a vertical annular filter element 5 are respectively and fixedly connected to an upper disc port and a lower disc port of an upper rotating gear disc 3 and a lower rotating gear disc 4, a rotating shaft 21 of a motor speed reducer 2 extends into the tank body 1 and is connected with a driving gear disc 22, the four upper rotating gear discs 3 are matched on the driving gear disc 22, a backwashing water delivery main pipe 7 communicated with a backwashing water inlet 13 is arranged in the tank body 1, four backwashing water delivery branch pipes 71 are arranged on the backwashing water delivery pipe 7, the four backwashing water delivery branch pipes 71 respectively vertically extend into the four vertical annular filter elements 5, a plurality of nozzle devices 8 are uniformly arranged on the backwashing water delivery branch pipes 71, and a water inlet 11 and a sewage outlet 14 are respectively positioned on the outer wall of the tank body 1 and are close to the upper transverse fixing gear plate 3 and the lower transverse.

In this embodiment raw water enters into jar body 1 from water inlet 11, and under the filtering action of four vertical cyclic annular filter cores 5, the water purification is discharged from delivery port 12 through water outlet 41, and oil, impurity in the raw water are intercepted by the filter core in the filter equipment and make it adhere to or block up on the filter core micropore surface, and this will cause the filter effect and the water yield that influence filter equipment, and at this moment the staff need carry out the back flush to rotary filter equipment subassembly, and its specific back flush process is:

firstly, a backwashing water inlet 13 is connected by a backwashing pump, a motor reducer 2 is started, a driving gear disc 22 is driven to rotate by a rotating shaft 21, four upper rotating gear discs 61 are driven to rotate by the rotation of the driving gear disc 22, so that four vertical annular filter elements 5 rotate, a backwashing pump is started, water is conveyed through a backwashing water conveying main pipe 7 and four backwashing water conveying branch pipes 71, and a nozzle device 8 of each backwashing water conveying branch pipe 71 is used for backwashing the rotating vertical annular filter element 5, so that oil, impurities and the like attached or blocked on the surfaces of micropores of the filter elements are washed back, and the oil and the impurities can not be combined with filtered clean water and can be directly and automatically discharged through a sewage discharge port 14 due to the obstruction of the vertical annular filter elements 5 and a lower transverse water outlet fixing plate 4.

Therefore, the filtering and backwashing operations can be carried out synchronously in the embodiment, so that the filtering effect is improved, and the filtering efficiency and the water yield of the filtering device are not influenced.

Claims (3)

1. The utility model provides a rotatory automatic backwash filter equipment of no jam, includes a jar body and sets up water inlet, back flush water inlet and the delivery port on jar body, its characterized in that: the top of jar body is provided with motor reducer, the internal rotation type filter equipment subassembly that is provided with of jar, rotation type filter equipment subassembly includes horizontal fixed gear board, horizontal play water fixed plate and a plurality of vertical cyclic annular filter core down, motor reducer's axis of rotation stretches into jar internal portion and is connecting the driving gear dish, go up horizontal fixed gear board and horizontal play water fixed plate all fix on jar internal wall and go up horizontal fixed gear board and be located horizontal play water fixed plate top down, be provided with a plurality of on horizontal fixed gear board and horizontal play water fixed plate down respectively and rotate gear dish and lower gear dish down, upward be provided with upper plate mouth and lower plate mouth respectively on rotating gear dish and the lower gear dish, be provided with the mouth of falling water corresponding with lower plate mouth on the horizontal play water fixed plate down, the both ends of vertical cyclic annular filter core are fixed connection respectively on upper plate mouth and the lower plate mouth of last rotating gear dish and lower rotating gear dish The upper rotating gear disc is matched with the driving gear disc, a back flush water delivery main pipe communicated with a back flush water inlet is arranged in the tank body, back flush water delivery branch pipes vertically extending into the vertical annular filter elements are arranged on the back flush water delivery main pipe, a plurality of nozzle devices are uniformly arranged on the back flush water delivery branch pipes, and a sewage discharge outlet is formed in the position, located on the side wall of the tank body, of the lower transverse water outlet fixing plate.

2. The non-clogging rotary automatic backwash filter device according to claim 1, characterized in that: an oil discharge port is formed in the top of the tank body.

3. The non-clogging rotary automatic backwash filter device according to claim 1, characterized in that: a manhole is arranged on the tank body.

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