CN212974373U

CN212974373U - High-efficient back flush filter

Info

Publication number: CN212974373U
Application number: CN202021051527.4U
Authority: CN
Inventors: 张艳召; 张如良; 张志良; 薛航; 张俊霞; 张丽娟; 孙敬伟; 张彬
Original assignee: Xinxiang Dongsheng Hydraulic Equipment Co ltd
Current assignee: Xinxiang Dongsheng Hydraulic Equipment Co ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-04-16
Anticipated expiration: 2030-06-10

Abstract

The high-efficiency backwashing filter effectively solves the problems of more impurities, easy blockage and low backwashing efficiency; the filter comprises a filter main body, wherein a feed inlet is formed in the upper end of the filter main body, a rotatable connecting shell is inserted into the filter main body, a cavity is formed in the left end of the connecting shell, a plurality of through grooves are uniformly distributed in the connecting shell, a net pressing piece is installed in each through groove and comprises grids arranged in the through grooves, a filter screen is installed on each grid, an interface which is communicated with a discharge port and corresponds to the grids is further arranged on the cavity, a left end shaft sleeve is installed between the left end of the connecting shell and the filter main body, and a right end shaft sleeve is installed between the right end of the connecting shell and the filter main body; the utility model has the advantages that: the utility model discloses the design is novel, and the structure is ingenious, has the recoil and washes the net function, can realize automatic online washing net, and the operation can be by PLC automatic control, and online automation operates, and full-automatic production technology does not have the system and shuts down.

Description

High-efficient back flush filter

Technical Field

The utility model relates to the technical field of filters, in particular to high-efficient back flush filter.

Background

At the present stage, the oil well of the oil field is injected with water and the oil field is developed by adopting centralized treatment and dispersive injection modes, but the pipeline is easy to corrode in the long-term use process, so that the cleanness degree of the water conveyed to the well mouth is difficult to meet the requirement of the injection standard, and if the water with poor cleanliness is injected into the oil well, solid particles can be brought into the oil reservoir to block the oil reservoir, which is not beneficial to the development of the oil field. However, the centralized replacement of the pipelines wastes a large amount of manpower and financial resources, so that the plugging removal work has to be carried out regularly in order to develop the oil field smoothly, the crude oil exploitation cost is increased, and adverse effects are brought to the environment and the production.

A need exists for a high efficiency backflush filter to address this problem.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming the defects of the prior art, the utility model aims to provide a high-efficient backwashing filter, the effectual more, easy problem of blockking up and backwashing inefficiency of impurity of having solved.

The technical scheme who solves is, the utility model discloses a filter main part, filter main part upper end is equipped with the feed inlet, rotatable connecting shell has been inserted to filter main part inside, the connecting shell left end is equipped with the cavity, the equipartition has a plurality of logical grooves on the connecting shell, pressure net spare is installed to the logical inslot, press the net spare including setting up the grid in the logical groove, install the filter screen on the grid, the front end of connecting shell is equipped with the discharge gate, still be equipped with on the cavity with discharge gate intercommunication and with the grid position corresponding interface, the connecting shell left end and filter main part between install the left end axle sleeve, install the right-hand member axle sleeve filter main part between connecting shell right-hand member and the filter main part and fixedly install the backwash casing of arranging on the right-hand member axle sleeve filter main part, left end axle sleeve and right-hand member axle sleeve rear end all; the left end and the right end of the backwashing discharging shell are also provided with a vertical left sealing splicing pipe and a vertical right sealing splicing pipe, and the left sealing splicing pipe and the right sealing splicing pipe are both provided with a sealing connecting pipe communicated with a backwashing discharging channel;

the left sealing splicing pipe comprises a first through pipe, a second through pipe and a third through pipe which are sequentially connected end to end in a rotating manner, through holes which are respectively communicated with the inner walls of the first through pipe, the second through pipe and the third through pipe are further formed in the first through pipe, the second through pipe and the third through pipe, a communicating pipe communicated with a backwashing discharge channel is installed on each through hole, and the right sealing splicing pipe and the left sealing splicing pipe are identical in structure;

the backwashing discharging shell is characterized in that vertical rotating shafts are rotatably arranged at the left end and the right end of the backwashing discharging shell, a first control gear, a second control gear and a third control gear are respectively arranged on the first through pipe, the second through pipe and the third through pipe, a first incomplete gear, a second incomplete gear and a third incomplete gear which are respectively meshed with the first control gear, the second control gear and the third control gear are arranged on the rotating shafts, and the number of teeth on the first control gear, the second control gear and the third control gear is one fourth of the number of teeth on the complete gear.

The utility model has the advantages that: the utility model discloses the design is novel, and the structure is ingenious, has the recoil and washes the net function, can realize automatic online washing net, and the operation can be by PLC automatic control, and online automation operates, and full-automatic production technology does not have the system and shuts down.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a sectional view taken along the direction a-a in fig. 1 according to the present invention.

Fig. 3 is a schematic structural view of the first incomplete gear, the second incomplete gear and the third complete gear of the present invention.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

Example (b):

as shown in figures 1 to 3, the utility model comprises a filter body 1, a feed inlet 2 is arranged at the upper end of the filter body 1, a rotatable connecting shell 3 is inserted in the filter body 1, a cavity 5 is arranged at the left end of the connecting shell 3, a plurality of through grooves 4 which can be communicated with the cavity 5 are evenly distributed on the connecting shell 3, a screen pressing piece is arranged in each through groove 4 and comprises grids 6 arranged in the through grooves 4, a filter screen 7 is arranged on each grid 6, the filter screen 7 can filter impurities in liquid, the quality of a product is improved, the impurities on the filter screen 7 are gradually increased along with the increase of working time, the flow rate of the liquid is reduced, the working efficiency is reduced, the connecting shell 3 is rotated, the filter screen 7 can be alternately replaced, the material flow is stable and free from fluctuation, the stability of the product is improved, the filter screen 7 corresponds to the feed inlet 2 when the connecting shell 3 rotates in the filter body, the front end of the connecting shell 3 is provided with a discharge port 8, the cavity 5 is also provided with a connector 9 which is communicated with the discharge port 8 and corresponds to the grid 6, the grid 6 is communicated with the feed port 2, the connector 9 is butted with the grid 6, liquid flows into the grid 6 from the feed port 2, the liquid flows through the filter screen 7 to filter out impurities contained in the liquid and enters the discharge port 8 through the connector 9 to finish the filtering work, a left end shaft sleeve 31 is arranged between the left end of the connecting shell 3 and the filter main body 1, a right end shaft sleeve 32 is arranged between the right end of the connecting shell 3 and the filter main body 1, the left end shaft sleeve 31 and the right end shaft sleeve 12 can position the connecting shell 3 and protect the connecting shell 3, the abrasion of the connecting shell 3 is reduced, the cost is reduced, the filter main body 1 is fixedly provided with a material discharge backwashing shell 10, the rear ends of the left end shaft sleeve 31 and the right end shaft sleeve 32 are provided with a plurality of, make one of them backwash discharge passageway 11 and one of them logical groove intercommunication make, all other backwash discharge passageways 11 communicate with other logical groove respectively, backwash discharge passageway 11 can get rid of the liquid and impurity of mixing in the liquid, reduce the pressure in the filter main part 1, the flow of stable liquid, improve the stability of product, backwash discharge casing 10 can control the switching of backwash discharge passageway 11, when grid 6 is just to feed inlet 2, close backwash discharge casing 10, can normally accomplish the work of liquid filtration, grid 6 docks with backwash discharge passageway 11, open backwash discharge casing 10, discharge the liquid in grid 6, can improve the quality of product, more important effect is that can extrude the impurity that filters out on filter screen 7 into backwash discharge passageway 11, backwash filter screen 7, reduce the pressure in the filter main part 1, the filter screen 7 can be washed and used for multiple times, the cost can be reduced, the production efficiency can be improved, the backwashing discharging shell 10 is closed after backwashing is finished, pressure maintaining work is carried out on the grids 6, and the materials in the grids 6 to be worked and the materials in the filter main body 1 are at the same temperature, the same quality and the same pressure; the left end and the right end of the backwashing discharging shell 10 are also provided with a vertical left sealing splicing pipe 12 and a vertical right sealing splicing pipe 13, the left sealing splicing pipe 12 and the right sealing splicing pipe 13 are both provided with a sealing connecting pipe communicated with the backwashing discharging channel 11, and backwashing effluent liquid carries impurities to flow out through the left sealing splicing pipe 12 and the right sealing splicing pipe 13;

the left sealing splicing pipe 12 comprises a first through pipe 14, a second through pipe 15 and a third through pipe 16 which are sequentially connected end to end in a rotating mode, the first through pipe 14, the second through pipe 15 and the third through pipe 16 are connected in a sealing mode, through holes 35 which are respectively communicated with the inner walls of the first through pipe 14, the second through pipe 15 and the third through pipe 16 are further formed in the first through pipe 14, the second through pipe 15 and the third through pipe 16, communicating pipes 36 communicated with the backwashing material discharge channel 11 are mounted on the through holes 35, when the first through pipe 14, the second through pipe 15 or the third through pipe 16 are controlled to rotate, the first through pipe 14, the second through pipe 15 or the third through pipe 16 are communicated with the backwashing material discharge channel 11, and the right sealing splicing pipe 13 is identical to the left sealing splicing pipe 12 in structure;

in order to control the filtering rate according to the flow rate of the liquid, that is, in order to conveniently control the rotation of the first through pipe 14, the second through pipe 15 or the third through pipe 16 so as to backwash the filter screens 7 corresponding to the positions of the first through pipe 14, the second through pipe 15 or the third through pipe 16 at the same time or backwash one of the filter screens 7 independently, vertical rotating shafts 26 are rotatably installed at the left and right ends of the backwash discharging shell 10, first control gears 17, second control gears 18 and third control gears 19 are respectively installed on the first through pipe 14, the second through pipe 15 and the third through pipe 16, first incomplete gears 20, second incomplete gears 21 and third incomplete gears 22 respectively meshed with the first control gear 17, the second control gear 18 and the third control gear 19 are arranged on the rotating shafts 26, the number of teeth on the first control gear 17, the second control gear 18 and the third control gear 19 is one fourth of the complete gears, can make first control gear 17, second control gear 18 and third control gear 19 drive first control gear 17 in proper order through rotating axis of rotation 26, second control gear 18 and third control gear 19 rotate, make first siphunculus 14, second siphunculus 15 or third tee pipe 16 respectively with backwash discharge passageway 11 intercommunication, and when first siphunculus 14 and backwash discharge passageway 11 intercommunication, can make second siphunculus 15 communicate with backwash discharge passageway 11 once more, when first siphunculus 14 and second siphunculus 15 all communicate with backwash discharge passageway 11, can control third siphunculus 16 and backwash discharge passageway 11 intercommunication, reverse direction rotation axis of rotation 26 can close according to opposite order in proper order when closing.

The rotating shaft 26 extends out of the upper end of the backwashing discharge shell 10 and is provided with a first gear 28, two first gears 28 are provided with a toothed chain 30, the upper end of the backwashing discharge shell 10 is provided with a plurality of supporting shafts, the supporting shafts are provided with a second gear 29, and the toothed chain 30 is arranged on the second gear 29, so that the toothed chain 30 bypasses the discharge hole 8.

The lower ends of the first through pipe 14 and the second through pipe 15 are provided with annular grooves, the upper ends of the second through pipe 15 and the third through pipe 16 are provided with annular positioning blocks movably arranged in the annular grooves, and the annular positioning blocks are provided with sealing rings.

The left end shaft sleeve 31 and the right end shaft sleeve 32 are externally provided with a front end gland 33 and a rear end gland 34 which are fixed on the filter body 1, and the front end gland 33 and the rear end gland 34 can prevent dust and block oil for the filter body 1 and bear axial load generated in work.

The filter body 1 on install pressure sensor, the pressure in the filter body 1 can increase along with the impurity on the filter screen 7 increases, when the pressure in the filter body 1 was too high, pressure sensor can make the police dispatch newspaper to the external world to grid 6 with the butt joint of feed inlet 2 is adjusted, makes clean grid 6 filter, and the grid 6 that is full of impurity can carry out the backwash.

The utility model discloses when using, make the butt joint of feed inlet 8 and the material pipe of conveying liquid, make grid 6 just to corresponding feed inlet 2, filter liquid through filter screen 7 on grid 6 and the grid 6, through 8 outflow devices of discharge gate, when filter screen 7 leads to impurity to increase through long-time use and makes filtration efficiency reduce, the action is rotated and is traded net ware main part 1 and make another grid 6 correspond with feed inlet 2 positions, can continue to filter.

When the grid that is full of impurity removes to other positions and backwash discharge passageway 11 intercommunication, can control one or more first siphunculus 14, second siphunculus 15 and third tee pipe 16 and backwash discharge passageway 11 intercommunication according to the size of the flow of the liquid that feed inlet 2 department got into for can carry out the backwash to filter screen 7 in the grid 6 with backwash discharge passageway 11 intercommunication, need not to shut down and just can change the net, greatly improved production efficiency, practiced thrift manpower resources.

The utility model has the advantages that: the utility model discloses the design is novel, and the structure is ingenious, has the recoil and washes the net function, can realize automatic online washing net, and the operation can be by PLC automatic control, and online automation operates, and full-automatic production technology does not have the system and shuts down. The foregoing detailed description/examples are specific embodiments of the present invention, and are intended to be illustrative of the principles of the present invention, which are intended to be illustrative and exemplary, and should not be construed as limiting the scope of the present invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include those which make any obvious replacement or modification of the embodiments described herein, and all of which are within the scope of the present invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not limited to the particular embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims

1. A high-efficiency backwashing filter comprises a filter main body (1) and is characterized in that a feed inlet (2) is formed in the upper end of the filter main body (1), a rotatable connecting shell (3) is inserted into the filter main body (1), a cavity (5) is formed in the left end of the connecting shell (3), a plurality of through grooves (4) are uniformly distributed on the connecting shell (3), a net pressing piece is installed in each through groove (4) and comprises grids (6) arranged in the through grooves (4), a filter screen (7) is installed on each grid (6), a discharge hole (8) is formed in the front end of the connecting shell (3), an interface (9) which is communicated with the discharge hole (8) and corresponds to the grids (6) is further arranged on each cavity (5), a left end shaft sleeve (31) is installed between the left end of the connecting shell (3) and the filter main body (1), and a right end shaft sleeve (32) is installed between the right end of the connecting shell (3) and the filter main body (, a backwashing discharge shell (10) is fixedly arranged on the filter main body (1), and a plurality of backwashing discharge channels (11) communicated with the cavity of the backwashing discharge shell (10) are respectively arranged at the rear ends of the left end shaft sleeve (31) and the right end shaft sleeve (32); the left end and the right end of the backwashing discharge shell (10) are also provided with a vertical left sealing splicing pipe (12) and a vertical right sealing splicing pipe (13), and the left sealing splicing pipe (12) and the right sealing splicing pipe (13) are both provided with a sealing connecting pipe communicated with a backwashing discharge channel (11); the left sealing splicing pipe (12) comprises a first through pipe (14), a second through pipe (15) and a third through pipe (16) which are sequentially connected end to end in a rotating mode, through holes (35) which are respectively communicated with the inner walls of the first through pipe (14), the second through pipe (15) and the third through pipe (16) are further formed in the first through pipe (14), the second through pipe (15) and the third through pipe (16), a communicating pipe (36) communicated with a backwashing material discharging channel (11) is installed on each through hole (35), and the right sealing splicing pipe (13) and the left sealing splicing pipe (12) are identical in structure; the backwashing discharging shell is characterized in that vertical rotating shafts (26) are rotatably mounted at the left end and the right end of the backwashing discharging shell (10), a first control gear (17), a second control gear (18) and a third control gear (19) are respectively mounted on a first through pipe (14), a second through pipe (15) and a third through pipe (16), a first incomplete gear (20), a second incomplete gear (21) and a third incomplete gear (22) which are respectively meshed with the first control gear (17), the second control gear (18) and the third control gear (19) are arranged on the rotating shafts (26), and the number of teeth on the first control gear (17), the second control gear (18) and the third control gear (19) is one fourth of the number of teeth of the complete gears.

2. The high-efficiency backwashing filter of claim 1, wherein the rotating shaft (26) extends out of the upper end of the backwashing discharge housing (10) and is provided with first gears (28), two first gears (28) are provided with toothed chains (30), the upper end of the backwashing discharge housing (10) is provided with a plurality of supporting shafts, the supporting shafts are provided with second gears (29), and the toothed chains (30) are arranged on the second gears (29) so that the toothed chains (30) bypass the discharge hole (8).

3. The high-efficiency backwashing filter of claim 1, wherein the lower ends of the first through pipe (14) and the second through pipe (15) are provided with annular grooves, the upper ends of the second through pipe (15) and the third through pipe (16) are provided with annular positioning blocks movably arranged in the annular grooves, and the annular positioning blocks are provided with sealing rings.

4. The high-efficiency backwashing filter of claim 1, wherein the left end shaft sleeve (31) and the right end shaft sleeve (32) are externally provided with a front end gland (33) and a rear end gland (34) which are fixed on the filter body (1), and the front end gland (33) and the rear end gland (34) can prevent dust and oil from the filter body (1) and bear axial load generated in work.

5. A high efficiency backflush filter according to claim 1, wherein the filter body (1) is provided with a pressure sensor.