CN218501423U

CN218501423U - Disc filter

Info

Publication number: CN218501423U
Application number: CN202222436592.4U
Authority: CN
Inventors: 孟令赫; 李振波
Original assignee: Hebei Shouli Technology Co ltd
Current assignee: Hebei Shouli Technology Co ltd
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2023-02-21
Anticipated expiration: 2032-09-14

Abstract

The utility model relates to a disc filter, which comprises a cylindrical shell, wherein a coaxial inner cylinder is arranged in the cylindrical shell, a plurality of discs which are overlapped with each other are sleeved outside the inner cylinder, the bottom of the cylindrical shell is provided with a water outlet pipe communicated with the inside of the inner cylinder, the side wall of the shell is provided with a water inlet pipe, the water outlet pipe is provided with a water valve, and the water inlet pipe is provided with a three-way valve; the disc filter also comprises a back flushing pipe, one end of the back flushing pipe is communicated with the inside of the inner cylinder, and the other end of the back flushing pipe is communicated with the three-way valve; the water inlet pipe is provided with a waste water pipe, the waste water pipe is provided with a waste water valve, and the waste water pipe is positioned between the three-way valve and the shell. The utility model provides a pair of disc filter is through redesign pipeline for it can only dispose a water pump and only need to correspond the valve through the switch and can accomplish the recoil washing, makes its use and individual structure itself simpler.

Description

Disc filter

Technical Field

The utility model relates to a water purification unit technical field, concretely relates to disc filter.

Background

Disc filters, also known as lamination filters, are prone to clogging and require frequent cleaning because they filter through a plurality of channels between the compressed discs, which is a prefilter.

Therefore, the disc filter in the prior art can be cleaned by backwashing or detaching the disc, an additional washing water pump and a corresponding pipeline are required to be arranged for backwashing, if only one water pump is used, the water inlet pipe and the water outlet pipe of the filter are detached, and then the original water inlet pipe is connected to the original water outlet, and the two modes are troublesome to operate;

further, if the disk filters of the above-mentioned two structures are applied to a small-sized water purifier, such as a continuous water purifier, since the water purifier itself limits the components in a small frame, the additional water pump occupies little space, and it is very inconvenient to disassemble the water inlet pipe and the water outlet pipe in such a confined space.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the utility model provides a disc filter, which comprises a cylindrical shell, wherein a coaxial inner cylinder is arranged in the cylindrical shell, a plurality of discs which are mutually overlapped are sleeved outside the inner cylinder, a water outlet pipe communicated with the inside of the inner cylinder is arranged at the bottom of the cylindrical shell, a water inlet pipe is arranged on the side wall of the cylindrical shell, a water valve is arranged on the water outlet pipe, and a three-way valve is arranged on the water inlet pipe; the disc filter also comprises a back flushing pipe, one end of the back flushing pipe is communicated with the inside of the inner cylinder, and the other end of the back flushing pipe is communicated with the three-way valve; the water inlet pipe is provided with a waste water pipe, the waste water pipe is provided with a waste water valve, and the waste water pipe is located between the three-way valve and the cylindrical shell.

Wherein, the first and the second end of the pipe are connected with each other,

the backflushing pipe is provided with a first end and a second end, the first end of the backflushing pipe is connected with the three-way valve, the second end of the backflushing pipe is communicated with the water outlet pipe, and the second end of the backflushing pipe is located between the cylindrical shell and the water valve.

The waste water valve comprises a limiting ring, a lower half pipe, an upper half pipe and a movable valve, wherein the limiting ring, the lower half pipe, the upper half pipe and the movable valve are positioned in the water inlet pipe; the limiting ring is positioned in the middle of the water inlet pipe, one end of each of the upper half pipe and the lower half pipe is connected with the limiting ring, and the other end of each of the upper half pipe and the lower half pipe is connected with the inner wall of the water inlet pipe; the upper half pipe and the lower half pipe are oppositely arranged, and the concave surface of the upper half pipe faces to the direction opposite to the flow direction of the water inlet flow of the water inlet pipe; the side face of the movable valve is a conical surface, the movable valve is coaxial with the waste pipe and the lower half pipe, the movable valve moves between a first point and a second point on the axis of the limiting ring, the first point is the position of the limiting ring, and the second point is the interface position of the waste pipe and the water inlet pipe.

The waste water pipe is characterized in that one end, far away from the waste water pipe, of the movable valve is provided with a guide rod, the water inlet pipe is provided with a guide pipe which is communicated with the waste water pipe and is sealed at one end, the guide rod is far away from one end, far away from the movable valve, of the movable valve and is arranged in the guide pipe in a sliding mode, and one end, far away from the guide rod, of the movable valve is connected with the sealed end of the guide pipe through an elastic piece.

Wherein, the top of the cylindrical shell is provided with an air cap, and an air valve is arranged in the air cap.

The utility model has the advantages that: the utility model provides a pair of disc filter is through redesign pipeline for it can only dispose a water pump and only need to correspond the valve through the switch and can accomplish the recoil washing, makes its use and individual structure itself simpler.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1 according to the present invention;

FIG. 3 is a perspective sectional view of the waste valve of the present invention;

FIG. 4 is a schematic view of the present invention when wastewater is purified;

FIG. 5 is a schematic view of the waste backwash of the present invention;

fig. 6 is a schematic diagram of the prior art of the present invention.

Description of the reference numerals

1. The device comprises a cylindrical shell, 11, an inner cylinder, 111, a disc, 12, a pressing cylinder, 2, a water inlet pipe, 21, a three-way valve, 22, a back flushing pipe, 3, a water outlet pipe, 31, a water valve, 4, an air cap, 41, an air valve, 5, a mechanical pressing piece, 6, a waste water valve, 61, a waste water pipe, 62, a lower half pipe, 63, an upper half pipe, 64, a movable valve, 641, a guide rod, 642, a guide pipe, 643, an elastic piece, 65 and a limiting ring.

Detailed Description

The technical solution in the embodiment of the present invention is clearly and completely described below with reference to the drawings in the embodiment of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

As shown in fig. 6, a disc filter in the prior art, including a cylindrical housing 1, a detachable cover (not shown) connected through a flange or a thread is provided at the top of the cylindrical housing 1, a coaxial inner cylinder 11 is provided in the cylindrical housing 1, a plurality of discs 111 overlapped with each other are provided outside the inner cylinder 11, a support of the inner cylinder 11 generally in a cylindrical shape can pass through water flow, a groove is provided on the disc 111 for intercepting impurities, a water outlet pipe 3 communicated with the inner part of the inner cylinder 11 is provided at the bottom of the cylindrical housing 1, a water inlet pipe 2 is provided at the side wall of the cylindrical housing 1, and the water inlet pipe 2 passes through the disc 111 and then passes through the water outlet pipe 3 to complete water purification work.

In addition, a mechanical pressing device 5 and a pressing cylinder 12 sleeved outside the top of the inner cylinder 11 are also generally provided in the prior art, the top of the pressing cylinder 12 is sealed, after water enters the cylindrical shell 1 through the water inlet pipe 2, the pressing cylinder 11 is pressed down by water pressure to fasten the disk 111, and when the disk is back-flushed and cleaned from the water outlet pipe 3, the pressing cylinder 11 is released to enable the disk 111 to be released, so that impurities in the groove can be flushed.

The difference between the present invention and the prior art is that, as shown in fig. 1, a water valve 31 is arranged on the water outlet pipe 3, and a three-way valve 21 is arranged on the water inlet pipe 2;

the device also comprises a back-flushing pipe 22, wherein one end of the back-flushing pipe 22 is communicated with the inside of the inner cylinder 11, and the other end of the back-flushing pipe 22 is communicated with the three-way valve 21.

And a waste pipe 61 is arranged on the water inlet pipe 2, a waste valve 6 is arranged on the waste pipe 61, and the waste pipe 61 is positioned between the three-way valve 31 and the cylindrical shell 1.

During normal use, water valve 31 opens, and waste water valve 6 closes, and rivers follow inlet tube 2 and get into cylindrical shell 1, flow out from outlet pipe 3 after filtering, and when the recoil, switch over three-way valve 21, rivers pass through the recoil pipe 22 and get into inside the inner tube 11, wash disk 111 back through inlet tube 2 and waste water pipe 61 discharge, and waste water valve 6 opens this moment.

So no longer need dismouting pipeline or water pump can realize accomplishing water purification and recoil function of washing only through a water pump.

In order to enable the backwash water to be delivered centrally from the base of the inner barrel 11,

the two ends of the backflushing pipe 22 are divided into a first end and a second end, the first end of the backflushing pipe 22 is connected with the three-way valve 21, the second end of the backflushing pipe 22 is communicated with the water outlet 3 pipe, and the second end of the backflushing pipe 22 is located between the cylindrical shell 1 and the water valve 31.

Further, the waste valve 6 is further optimized for convenient use, as shown in fig. 2 and 3, the waste valve 6 comprises a limiting ring 65, a lower half pipe 62, an upper half pipe 63 and a movable valve 64 which are positioned inside the water inlet pipe 2;

the limiting ring 65 is positioned in the middle of the water inlet pipe 2 and is parallel to the axis of the water inlet pipe, one end of each of the upper half pipe 63 and the lower half pipe 62 is connected with the limiting ring 65, and the other end of each of the upper half pipe 63 and the lower half pipe 62 is connected with the inner wall of the water inlet pipe 2;

the upper half pipe 63 and the lower half pipe 62 are oppositely arranged, and the concave surface of the upper half pipe 63 faces to the direction opposite to the flow direction of the inlet water of the water inlet pipe 2;

the side surface of the movable valve 64 is a conical surface, the movable valve 64 is coaxial with the waste water pipe 61 and the lower half pipe 62 and is also coaxial with the upper half pipe 63, the movable valve 64 moves between a first point and a second point on the axis of the limiting ring 65, the first point is the position of the limiting ring 65, and the second point is the position of an interface between the waste water pipe 61 and the water inlet pipe 2.

The movable valve 64 is provided with a guide rod 641 at an end away from the waste pipe 61, the feed pipe 2 is provided with a guide pipe 642 which is communicated with the guide pipe 641 and has a closed end, an end of the guide rod 641 away from the movable valve 64 is slidably arranged in the guide pipe 642, and an end of the guide rod 641 away from the movable valve 64 is connected with the closed end of the guide pipe 642 through an elastic element 643 which can be a spring.

When inlet tube 2 intakes, as shown in fig. 4, because water pressure makes movable valve 64 push down and blocks up waste pipe 61, when the recoil, closes the water pump, elastic component 643 pulls back movable valve 64, provides the recoil rivers back again, as shown in fig. 5, movable valve 64 seals spacing ring 65, and the recoil rivers push up movable valve 64 for recoil outlet water is discharged from waste pipe 61, so makes movable valve 64 accomplish the water route automatically and switch, can make the utility model discloses the operation is more convenient.

In addition, as shown in fig. 1, in order to facilitate smooth water supply to the inside of the cylindrical housing 1, an air cap 4 with an air hole may be disposed at the top of the cylindrical housing, an air valve 41 is disposed in the air cap 4, an annular extension portion is disposed at the bottom of the air valve 41, the top of the air valve is connected to the top of the air cap 4 through another spring, air is discharged through the air hole through a gap between the air valve 41 and the inner wall of the air cap 4 during water supply, after the water level rises to the annular extension portion, the air valve 41 is jacked up due to the action of water pressure, so that the annular extension portion closes the passage between the air cap 4 and the inside of the cylindrical housing 1, and another elastic member ejects the air valve 41 after water-proof pressure relief, so that negative pressure influence inside the cylindrical housing 1 is not received during water discharge.

It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Claims

1. A disc filter comprises a cylindrical shell, wherein a coaxial inner cylinder is arranged in the cylindrical shell, a plurality of discs which are overlapped with each other are sleeved on the outer side of the inner cylinder, a water outlet pipe communicated with the inner part of the inner cylinder is arranged at the bottom of the cylindrical shell, and a water inlet pipe is arranged on the side wall of the cylindrical shell;

the disc filter also comprises a back flushing pipe, one end of the back flushing pipe is communicated with the inside of the inner cylinder, and the other end of the back flushing pipe is communicated with the three-way valve;

the water inlet pipe is provided with a waste water pipe, the waste water pipe is provided with a waste water valve, and the waste water pipe is located between the three-way valve and the cylindrical shell.

2. A disc filter according to claim 1,

3. A disc filter according to claim 2, wherein said waste valve comprises a stop collar, a lower half pipe, an upper half pipe and a movable valve inside said inlet pipe;

the limiting ring is positioned in the middle of the water inlet pipe, one end of each of the upper half pipe and the lower half pipe is connected with the limiting ring, and the other end of each of the upper half pipe and the lower half pipe is connected with the inner wall of the water inlet pipe;

the upper half pipe and the lower half pipe are oppositely arranged, and the concave surface of the upper half pipe faces to the direction opposite to the flow direction of the water inlet flow of the water inlet pipe;

the side surface of the movable valve is a conical surface, and the movable valve is coaxial with the waste water pipe and the lower half pipe;

the movable valve moves between a first point and a second point on the axis of the limiting ring, the first point is the position of the limiting ring, and the second point is the interface position of the waste pipe and the water inlet pipe.

4. A disc filter according to claim 3, wherein a guide rod is provided at an end of the movable valve far from the waste pipe, a communicating guide pipe with a closed end is provided on the water inlet pipe, an end of the guide rod far from the movable valve is slidably provided in the guide pipe, and an end of the guide rod far from the movable valve is connected with a closed end of the guide pipe through an elastic member.

5. A disc filter according to any of claims 1 to 4, wherein an air cap is provided at the top of the cylindrical housing, and an air valve is provided in the air cap.