CN212757464U

CN212757464U - Back-flushing type Y-shaped filter

Info

Publication number: CN212757464U
Application number: CN202021407275.4U
Authority: CN
Inventors: 杨群; 张守意; 吴天伦; 王涛; 梁超; 宋刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-03-23
Anticipated expiration: 2030-07-17

Abstract

The utility model provides a backwash formula Y type filter, when filter screen I takes place blocking phenomenon, let in the clear water through the inlet tube, the clear water gets into in the water pipe through rotary joint, and spout from the water pipe top, power device drive water pipe rotary joint relatively rotates, drive each brush hair when the water pipe is rotatory and clear away adnexed impurity on with filter screen I, can discharge the sewage that washes the formation after opening the valve, thereby realized carrying out the cleaning work of filter under the condition that need not demolish Y type filter, the cleaning efficiency is improved, the manpower is saved, material resources, ensure that the liquid flow of filter accords with standard demand.

Description

Back-flushing type Y-shaped filter

Technical Field

The utility model relates to a Y type filter technical field, concretely relates to backwash formula Y type filter.

Background

The Y-strainer is an indispensable filtering device for the piping system for transporting the medium, and is usually installed at the inlet end of a pressure reducing valve, a pressure relief valve, a level valve or other equipment. The Y-type filter is a small-sized device for removing a small amount of solid particles in liquid, can protect the normal operation of the device, when fluid enters a filter cylinder with a filter screen with a certain specification, impurities are blocked, clean filtrate is discharged from a filter outlet, when the filter needs to be cleaned, a detachable filter cylinder is taken out and is installed again after treatment, the method is mainly suitable for cleaning filters with small caliber, the filter with large caliber is long in cleaning time, troublesome in disassembly, more than two persons are needed for matching, ascending operation, ground pollution and equipment halt, most importantly, the change of water flow cannot be observed in real time to clean in time along with the increase of impurities, the water flow is influenced, for example, the application of cooling water in cooling of condensers such as large-scale centrifugal air conditioning units, screw units and the like is realized, and the water temperature is high and easy to scale because the cooling water in a cooling tower is communicated, the waste with rusted pipelines, moss and the like can generate a large amount of waste to pollute water in synchronization with the operation of a unit, and the flow of a Y-shaped filter on the market is gradually reduced along with the extension of the operation time, so that the power consumption is increased, the working efficiency is reduced, and the like.

Disclosure of Invention

The utility model discloses an overcome not enough of above technique, provide one kind and can wash the filter, use manpower sparingly, ensure that filter discharge accords with the backwash formula Y type filter of standard.

The utility model overcomes the technical scheme that its technical problem adopted is:

the utility model provides a backwash formula Y type filter, includes casing I, and it is airtight all around, and inside is provided with sealed appearance chamber, and the upper end of casing I is connected with the feed liquor pipe, and its lower extreme is connected with the drain pipe, just is provided with a plurality of apopores with the connection position of drain pipe on the casing I:

the upper end of the shell II is open, the bottom of the shell I is open, and the shell II is connected to the bottom of the shell I in a sealing mode;

the filter screen I is of a cylindrical structure and is arranged in the cavity of the shell I, the upper end of the filter screen I is communicated with the liquid inlet pipe, and the lower end of the filter screen I is hermetically connected with the bottom of the shell I;

the rotary joint is hermetically arranged at the bottom of the shell II, the inlet end of the rotary joint is connected with a water inlet pipe, the outlet end of the rotary joint is connected with a water pipe, the water pipe is coaxially arranged in the filter screen I, a plurality of bristles are arranged at intervals in the axis direction of the water pipe, and the outer side ends of the bristles are in contact with the inner wall of the filter screen I;

the blow-off pipe is connected with the bottom of the shell II through a valve; and

and the power device is used for driving the water pipe to rotate.

Furthermore, the power device comprises a transverse pipe transversely arranged at the head end of the water pipe and washing nozzles obliquely arranged on two sides of the transverse pipe respectively, the axis of the transverse pipe is perpendicular to the axis of the water pipe, a water channel is arranged in the transverse pipe, the inner side end of the water channel is communicated with the water pipe, two sides of the water channel are communicated with the washing nozzles corresponding to the same side respectively, the axes of the two washing nozzles are parallel, and the included angle between the washing nozzles and the transverse pipe is an obtuse angle.

Preferably, the filter screen I is a filter screen with a 50-mesh specification.

In order to further improve the filtration, a cylindrical filter screen II is sleeved at the outer side end of the filter screen I, and the filter screen II is a filter screen with the specification of 100 meshes.

In order to realize the prefilter, the connection position of feed liquor pipe and casing I is provided with the mesh board, a plurality of meshs have been arranged on the mesh board.

In order to realize the flow velocity measurement, a flow sensor I for measuring the flow velocity is arranged in the liquid inlet pipe.

In order to realize the flow velocity measurement, a flow sensor II for measuring the flow velocity is arranged in the liquid outlet pipe.

For the convenience of observation, the bottom of the shell II is provided with an observation window made of glass materials.

The utility model has the advantages that: when filter screen I takes place blocking phenomenon, let in the clear water through the inlet tube, the clear water gets into in the water pipe through rotary joint, and spout from the water pipe top, power device drive water pipe rotary joint relatively rotates, each brush hair of drive is clear away adnexed impurity on filter screen I when the water pipe is rotatory, can discharge the sewage that washes the formation after opening the valve, thereby realized carrying out the cleaning work of filter under the condition that need not demolish Y type filter, the cleaning efficiency is improved, the manpower is saved, material resources, ensure that the liquid flow of filter accords with standard demand.

Drawings

Fig. 1 is a schematic view of a front view cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the structure in the direction A of FIG. 1;

FIG. 3 is a schematic view of the structure of the flushing nozzle;

in the figure, 1, a liquid inlet pipe 2, a flow sensor I3, a liquid outlet pipe 4, a flow sensor II 5, a shell I6, a containing cavity 7, a water outlet hole 8, a mesh plate 9, a shell II 10, a filter screen I11, a filter screen II 12, an observation window 13, a rotary joint 14, a water pipe 15, a transverse pipe 16, a flushing sprayer 17, bristles 18, a blow-off pipe 19, a valve 20, a water inlet pipe 21, a mesh 22 and a water channel.

Detailed Description

The present invention will be further explained with reference to fig. 1, fig. 2 and fig. 3.

The utility model provides a backwash formula Y type filter, includes casing I5, and its periphery is sealed, and inside is provided with sealed appearance chamber 6, and the upper end of casing I5 is connected with feed liquor pipe 1, and its lower extreme is connected with drain pipe 3, on casing I5 and be provided with a plurality of apopores 7 with the position of being connected of drain pipe 3: the upper end of the shell II 9 is open, the bottom of the shell I5 is open, and the shell II 9 is connected to the bottom of the shell I5 in a sealing mode; the filter screen I10 is of a cylindrical structure and is arranged in the containing cavity 6 of the shell I5, the upper end of the filter screen I10 is communicated with the liquid inlet pipe 1, and the lower end of the filter screen I10 is hermetically connected with the bottom of the shell I5; the rotary joint 13 is hermetically arranged at the bottom of the shell II 9, the inlet end of the rotary joint is connected with a water inlet pipe 20, the outlet end of the rotary joint is connected with a water pipe 14, the water pipe 14 is coaxially arranged in the filter screen I10, a plurality of bristles 17 are arranged at intervals in the axis direction of the water pipe 14, and the outer side ends of the bristles 17 are in contact with the inner wall of the filter screen I10; a blow-off pipe 18 which is connected with the bottom of the shell II 9 through a valve 19; and a power device for driving the water pipe 14 to rotate. Liquid passes through filter screen I10 that feed liquor pipe 1 got into casing I5, and under the fluid pressure effect, liquid filters through filter screen I10, and the pure liquid entering after the filtration holds chamber 6, finally flows out through outlet hole 7 through drain pipe 3. Filterable impurity is located filter screen I10, when filter screen I10 takes place blocking phenomenon, let in the clear water through inlet tube 20, the clear water is in water pipe 14 through rotary joint 13 admission pipe, and spout from water pipe 14 top, power device drive water pipe 14 rotates relative rotary joint 13, each brush hair 17 of drive is clear away adnexed impurity on filter screen I10 when water pipe 14 is rotatory, can be with rinsing the sewage discharge that forms after opening valve 19, thereby realized carrying out the cleaning work of filter under the condition that need not demolish Y type filter, the cleaning efficiency is improved, manpower and material resources are saved, ensure that the liquid flow of filter accords with standard demand.

The power device can be of a structure comprising a transverse pipe 15 transversely arranged at the head end of the water pipe 14 and washing nozzles 16 obliquely arranged on two sides of the transverse pipe 15 respectively, the axis of the transverse pipe 15 is perpendicular to the axis of the water pipe 14, a water channel 22 is arranged in the transverse pipe 15, the inner side end of the water channel 22 is communicated with the water pipe 14, two sides of the water channel 22 are communicated with the washing nozzles 16 corresponding to the same side respectively, the axes of the two washing nozzles 16 are parallel, and the included angle between the washing nozzles 16 and the transverse pipe 15 is an obtuse angle. Clear water enters the water pipe 14 through the rotary joint 13 through the water inlet pipe 20 and then enters the water channel 22 of the transverse pipe 15, and is sprayed out from the flushing nozzles 16 at the two ends through the diversion of the water channel 22, and the two flushing nozzles 16 are arranged in a reverse direction because the flushing nozzles 16 and the transverse pipe 15 are arranged at an obtuse angle, so that the rotation of the water pipe 14 relative to the rotary joint 13 is realized under the action of the recoil force of water flow after the water flow is sprayed out.

Preferably, the filter screen I10 is a filter screen with 50 meshes. The outer side end of the filter screen I10 is sleeved with a cylindrical filter screen II 11, and the filter screen II 11 is a filter screen with the specification of 100 meshes. The purpose of double filtration can be realized by adding a 100-mesh filter screen II 11 outside a 50-mesh filter screen I10, and the filtering effect is further improved. The connection part of the liquid inlet pipe 1 and the shell I5 can be provided with a mesh plate 8, and a plurality of meshes 21 are distributed on the mesh plate 8. Mesh plate 8 can play first portion filtering action and carry out first portion filtration with the large granule impurity in the liquid of carrying in feed liquor pipe 1.

Further, a flow sensor I2 for measuring the flow speed is arranged in the liquid inlet pipe 1. And a flow sensor II 4 for measuring the flow velocity is arranged in the liquid outlet pipe 3. Flow sensor I2 can measure the velocity of flow that gets into liquid in the feed liquor pipe 1, and flow sensor II 4 can measure the velocity of flow from the liquid of drain pipe 3 outflow, explains filter screen I10 to have blockked up when the velocity of flow of feed liquor pipe 1 is far greater than the velocity of flow in the drain pipe 3 to can let in the clear water and wash, improve the convenience of operation.

Preferably, the bottom of the casing ii 9 is provided with an observation window 12 made of glass. The blockage condition in the shell II 9 can be conveniently observed through the observation window 12, and the cleaning operation is conveniently controlled by an operator.

Claims

1. The utility model provides a backwash formula Y type filter, includes casing I (5), and its periphery is sealed, and inside is provided with sealed appearance chamber (6), and the upper end of casing I (5) is connected with feed liquor pipe (1), and its lower extreme is connected with drain pipe (3), on casing I (5) and be provided with a plurality of apopores (7) with the connection position of drain pipe (3), its characterized in that:

the upper end of the shell II (9) is open, the bottom of the shell I (5) is open, and the shell II (9) is connected to the bottom of the shell I (5) in a sealing mode;

the filter screen I (10) is of a cylindrical structure and is arranged in the containing cavity (6) of the shell I (5), the upper end of the filter screen I (10) is communicated with the liquid inlet pipe (1), and the lower end of the filter screen I (10) is hermetically connected with the bottom of the shell I (5);

the rotary joint (13) is hermetically arranged at the bottom of the shell II (9), the inlet end of the rotary joint is connected with a water inlet pipe (20), the outlet end of the rotary joint is connected with a water pipe (14), the water pipe (14) is coaxially arranged in the filter screen I (10), the water pipe (14) is provided with a plurality of bristles (17) at intervals along the axis direction, and the outer side ends of the bristles (17) are in contact with the inner wall of the filter screen I (10);

a blow-off pipe (18) which is connected with the bottom of the shell II (9) through a valve (19); and

and the power device is used for driving the water pipe (14) to rotate.

2. A backwash type Y-strainer according to claim 1 wherein: the power device comprises a transverse pipe (15) transversely arranged at the head end of a water pipe (14) and flushing nozzles (16) respectively obliquely arranged on two sides of the transverse pipe (15), the axis of the transverse pipe (15) is perpendicular to the axis of the water pipe (14), a water channel (22) is arranged in the transverse pipe (15), the inner side end of the water channel (22) is communicated with the water pipe (14), two sides of the water channel (22) are respectively communicated with the flushing nozzles (16) corresponding to the same side, the axes of the two flushing nozzles (16) are parallel, and the included angle between the flushing nozzles (16) and the transverse pipe (15) is an obtuse angle.

3. A backwash type Y-strainer according to claim 1 wherein: the filter screen I (10) is a filter screen with a 50-mesh specification.

4. A backwash type Y-strainer according to claim 1 wherein: the outer side end of the filter screen I (10) is sleeved with a cylindrical filter screen II (11), and the filter screen II (11) is a filter screen with the specification of 100 meshes.

5. A backwash type Y-strainer according to claim 1 wherein: the connection part of the liquid inlet pipe (1) and the shell I (5) is provided with a mesh plate (8), and a plurality of meshes (21) are distributed on the mesh plate (8).

6. A backwash type Y-strainer according to claim 1 wherein: a flow sensor I (2) for measuring the flow velocity is arranged in the liquid inlet pipe (1).

7. A backwash type Y-strainer according to claim 1 wherein: and a flow sensor II (4) for measuring the flow velocity is arranged in the liquid outlet pipe (3).

8. A backwash type Y-strainer according to claim 1 wherein: and an observation window (12) made of glass is arranged at the bottom of the shell II (9).