CN217287382U

CN217287382U - Backwashing equipment

Info

Publication number: CN217287382U
Application number: CN202123075816.5U
Authority: CN
Inventors: 王伟; 周恬
Original assignee: Shanghai Ailun Beisi Environmental Technology Co ltd
Current assignee: Shanghai Ailun Beisi Environmental Technology Co ltd
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-08-26
Anticipated expiration: 2031-12-08

Abstract

The utility model relates to the field of water treatment, in particular to a back washing device; comprises a shell, wherein the shell provides a place for filtering and backwashing operation; the filter is characterized by also comprising a partition board arranged in the shell, wherein the partition board is transversely arranged in the shell and divides the shell into a filtering space and a purified liquid collecting space, a filtering part is vertically arranged in the filtering space, and one end of the filtering part is connected with the partition board; a main water inlet pipeline and a back flush water inlet pipeline are respectively arranged at the side end of the shell, the main water inlet pipeline is communicated with the filtering space, and the back flush water inlet pipeline is communicated with the clean liquid collecting space and is connected with the filtering component; the back-flushing water inlet pipeline is connected with a back-flushing air inlet pipeline; the utility model discloses a filter tube and back flush are intake, admission line's setting has realized washing the realization of filtering and back flush operation through the gas-liquid, has increased the filter effect of filter tube, has reduced the work load of hydrodynamic back flush process to reduce the operating time and the water consumption of hydrodynamic back flush process, practiced thrift the water resource.

Description

Backwashing equipment

Technical Field

The utility model relates to a water treatment field involves a back flush equipment.

Background

The filtering is a water treatment process for removing or reducing suspended matters in water by means of screening, and the filter is a water treatment device which is widely applied to removing or reducing suspended matters in water by adopting the working principle. At present, common water filtering equipment generally filters solid particles in sewage by using a filter screen to purify the sewage, but one of the disadvantages is that the solid particles attached to the filter screen are gradually increased along with the prolonging of the service time of the filter screen, so that the filter screen is finally blocked, and the hardness of a net structure is poor, the filtering precision is poor, and the service life is short. The solid particles can be filtered by a granular medium filter or a microporous medium filter, wherein the commonly used filter material of the granular medium filter has larger grain diameter and poor filtering precision; the microporous medium filter is characterized in that water enters a hollow pipe of a filter element from the outer side of the filter element through micropores on the filter element, is collected and then is led out of the filter, and after the filter operates for a period of time, the micropores on the filter element are seriously blocked. After the filter is used for a period of time, in order to ensure the filtering quality, filtering equipment such as a filter element or a filter screen needs to be replaced, the cost is high, and the replacement time is consumed, so that the working efficiency is influenced.

In order to solve the problem, the current solution on the market is to reversely flush the filter layer of the filter with clean water after the filter filters for a period of time, and take away the impurities in the filter medium in a backwashing manner.

SUMMERY OF THE UTILITY MODEL

The utility model provides a back washing device, aim at realize obtaining clean water to the separation of heavy metal in the water at water treatment in-process to increase filter equipment's life.

The utility model discloses a realize like this:

a back washing device comprises a shell, wherein the shell provides a place for filtering and back washing operation; the filter is characterized by also comprising a partition board arranged in the shell, wherein the partition board is transversely arranged in the shell and divides the shell into a filtering space and a purified liquid collecting space, a filtering part is vertically arranged in the filtering space, and one end of the filtering part is connected with the partition board; a main water inlet pipeline and a back flush water inlet pipeline are respectively arranged at the side end of the shell, the main water inlet pipeline is communicated with the filtering space, and the back flush water inlet pipeline is communicated with the purified liquid collecting space and is connected with the filtering component; the back-flushing water inlet pipeline is connected with a back-flushing air inlet pipeline.

Furthermore, a back washing water outlet pipeline is arranged at the side end of the shell and is connected with the filtering space.

Furthermore, the bottom end of the shell is also provided with a main water outlet pipeline which is communicated with the clean liquid collecting space.

Furthermore, a back washing air outlet pipeline is arranged at the top end of the shell and is communicated with the filtering space.

Furthermore, the filtering component comprises a plurality of filtering pipes, the filtering pipes are of a cavity structure with a closed upper end and an open lower end, and the cavity is a filtering cavity.

Furthermore, the lower end of the filter pipe is provided with an external screw thread, the partition plate is provided with a fixing hole matched with the filter pipe, and the filter pipe is arranged on the partition plate through the matching of the external screw thread and the fixing nut.

Furthermore, the inner wall of the filter pipe is provided with a reinforcing rib.

Furthermore, the back washing water inlet pipeline is communicated with the filter cavity.

Furthermore, the filter pipe is a slotted filter pipe.

Further, the upper end of the shell is provided with a pressure valve.

The beneficial effect of above-mentioned scheme:

the utility model provides a pair of back flush equipment through the setting of filter tube and back flush intake, admission line, has realized washing the realization of filtering and back flush operation through the gas-liquid, has increased the filter effect of filter tube, has reduced the work load of hydrodynamic back flush process to reduce the operating time and the water consumption of hydrodynamic back flush process, practiced thrift the water resource.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of a backwash device according to a first embodiment;

fig. 2 is a schematic structural view of a backwash device according to a second embodiment of the present invention.

Icon:

100-a backwashing device; 100 a-a backwash device;

110-a housing; 120-a filtration space; 130-a clean liquid collecting space; 140-a filter element; 140 a-a filter element; 150-a separator; 160-a tube assembly;

111-pressure valve;

141-a filter tube; 141 a-a filter tube; 142-a filter cavity;

161-main water inlet pipe; 162-backwashing the water inlet pipe; 163-main outlet conduit; 164-backwash outlet conduit; 165-back flushing the gas inlet pipe; 166-backwash vent line.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically 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 in specific cases to those skilled in the art.

The following specifically describes a backwash device 100 according to an embodiment of the present invention:

example 1

Referring to fig. 1, the present embodiment provides a backwashing apparatus 100, wherein the main components of the apparatus are a housing 110 with numerical values, the housing 110 provides a place for filtering and backwashing, and the housing 110 is a hollow cavity in which filtering and backwashing are performed.

A partition plate 150 is arranged in the shell 110, the cavity in the shell 110 is divided into two sections by the partition plate 150, namely a filtering section and a clean liquid collecting section, and the space formed by the filtering section in the shell 110 is a filtering space 120 for filtering substances to be treated; the clean liquid collecting section forms a clean liquid collecting space 130 in the housing 110 for collecting and discharging the filtered material.

In this embodiment, the filter member 140 is used for the filtering process, and the filter member 140 is disposed in the filtering space 120, and has one end connected to the partition 150 and the other end disposed near the top end of the housing 110.

The filter member 140 is a filter pipe 141 in this embodiment, the filter pipe 141 is vertically disposed in accordance with the placement direction of the housing 110, and the bottom end of the filter pipe 141 is connected to the partition 150.

The connection between the filtering pipe 141 and the partition 150 is realized mainly by matching connection, a fixing hole is arranged on the fixing plate, the aperture of the fixing hole is the same as the diameter of the filtering pipe 141 or approaches to the diameter of the filtering pipe 141, and the filtering pipe 141 and the inserting plate are connected in an inserting or interference fit mode.

In this embodiment, in order to ensure the connection stability of the filtering pipe 141 and the partition 150, an external thread may be disposed at the bottom end of the filtering pipe 141, and the connection stability of the filtering pipe 141 and the partition 150 may be achieved by the external thread matching with the fixing nut.

Referring again to fig. 1, the number of the filtering pipes 141 in this case is 2, that is, two filtering pipes 141 are disposed in the filtering space 120 and are fixedly connected to the partition 150, respectively.

In this embodiment, the filtering pipe 141 is a slit filtering pipe, and a cavity is disposed in the middle of the filtering pipe 141 as the filtering cavity 142, and the filtering cavity 142 mainly provides a space and a pipeline for discharging filtered clean liquid.

One end of the filter cavity 142 extends through the partition 150 to the clean liquid collecting space 130.

In this embodiment, in order to ensure the structural stability of the filtering pipe 141, a reinforcing rib may be provided inside the filtering pipe 141.

The filtering process of this embodiment is mainly implemented based on the filtering pipe 141, that is, the filtering pipe 141 blocks the impurities to be removed in the liquid on the surface by the filtering effect in the filtering space 120, and the separated purified water enters the filtering cavity 142 and enters the purified water collecting space 130 through the filtering cavity 142, so as to form the whole process of treating and collecting the purified water.

The external material to be treated is communicated with the filtering space 120 through the main water inlet pipe 161, which provides a path for the external material to enter the filtering space 120, and in this embodiment, the main water inlet pipe 161 is disposed at the outer side of the housing and communicated with the filtering space 120.

The filtered net liquid is discharged out of the backwashing apparatus 100 through the main water outlet pipe 163, and the main water outlet pipe 163 is disposed at the bottom end of the casing 110 in communication with the net liquid collecting space 130.

Referring to fig. 1, the backwashing device 100 provided in this embodiment further includes a backwashing functional unit, and the backwashing functional unit is mainly implemented by a gas-liquid flushing method.

In this embodiment, the backwash function unit mainly includes a backwash water inlet pipe 162 and a backwash air inlet pipe 165, the backwash water inlet pipe 162 is used for providing backwash liquid to the filter pipe 141, and the backwash air inlet pipe 165 is used for providing external air with a certain flow rate to the filter pipe 141 and providing strong pressure and power to the backwash liquid, so that the backwash treatment efficiency is better and the backwash effect is better.

One end of the backwash water inlet pipe 162 may be communicated with one end of the main water inlet pipe 161, and the other end of the backwash water inlet pipe is communicated with the filter cavity 142 of the filter pipe 141, so that the backwash liquid is directly discharged into the filter cavity 142, and the outside of the filter pipe 141 is washed by the backwash liquid collected in the filter cavity.

One end of the back flush air inlet pipe 165 is disposed through the purified liquid collecting space 130 and is communicated with the back flush water inlet pipe 162, and is communicated with the filter chamber 142.

When the backwash liquid enters, backwash gas is introduced at the same time, and pressurization treatment of the backwash liquid by the gas is realized.

In this embodiment, the main outlet pipe 163 may be connected to the backwash inlet pipe 162 or the backwash inlet pipe 165, and indirectly communicate with the filter chamber 142, so as to discharge the filtered clean liquid.

In this embodiment, a back-flushing outlet pipe 164 is provided on the side of the housing 110 of the filtering space 120 for discharging the waste after back-flushing.

A backwash gas outlet pipe 166 for discharging backwash gas is further provided at the top end of the casing 110, that is, the top end of the casing 110 of the filtering space 120.

In this embodiment, the main water inlet pipe 161, the back-washing water inlet pipe 162, the main water outlet pipe 163, the back-washing water outlet pipe 164, the back-washing air inlet pipe 165, and the back-washing air outlet pipe 166 are respectively provided with a valve for controlling the opening and closing of each pipe.

The working principle is as follows: the main water inlet pipe 161 introduces the substance to be treated into the filtering space 120, and at this time, the valves of the backwash water inlet pipe 162, the backwash water outlet pipe 164, the backwash air inlet pipe 165 and the backwash air outlet pipe 166 are in a closed state, and the valve of the main water outlet pipe 163 is in an open state; the substance to be treated is filtered by the filter tube 141, and the filtered clean water enters the main water outlet pipe 163 through the filter chamber 142 and is discharged out of the housing 110.

When the backwashing operation is performed, the valves of the backwashing water inlet pipe 162, the backwashing gas inlet pipe 165, the backwashing water outlet pipe 164 and the backwashing gas outlet pipe 166 are in an open state; the valves of the other pipes are in a closed state.

A certain amount of backwash liquid is introduced into the backwash water inlet pipe 162, and a corresponding amount of gas is introduced into the backwash gas inlet pipe 165, so that the backwash liquid is introduced through the filter chamber 142 by gas pressurization, thereby realizing the backwash operation of the filter pipe 141.

The waste material obtained after the backwashing operation is discharged through the backwashing water outlet pipe 164.

In this embodiment, the top end of the housing 110 is further provided with a pressure valve 111 for acquiring the pressure inside the housing 110.

Example 2

In the present embodiment, a backwashing apparatus 100a is provided, which is different from embodiment 1 in that the number of the filter pipes 141a is 3 in the present embodiment.

In the embodiment, the above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. In the present embodiment, the above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and those skilled in the art can make various modifications and variations. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The backwashing equipment is characterized by comprising a shell, wherein the shell provides a place for filtering and backwashing operation; the filter device is characterized by further comprising a partition board arranged in the shell, wherein the partition board is transversely arranged in the shell and divides the shell into a filtering space and a purified liquid collecting space, a filtering part is vertically arranged in the filtering space, and one end of the filtering part is connected with the partition board; a main water inlet pipeline and a back flush water inlet pipeline are respectively arranged at the side end of the shell, the main water inlet pipeline is communicated with the filtering space, and the back flush water inlet pipeline is communicated with the purified liquid collecting space and is connected with the filtering component; the back-flushing water inlet pipeline is connected with a back-flushing air inlet pipeline.

2. The backwashing apparatus of claim 1, wherein a backwashing water outlet conduit is further provided at the side end of the casing and connected to the filtering space.

3. The backwash device as claimed in claim 1, wherein the bottom end of the housing is further provided with a main water outlet conduit and is in communication with the clean liquid collecting space.

4. The backwash apparatus as defined in claim 1, wherein a backwash air outlet pipe is provided at a top end of the casing, the backwash air outlet pipe communicating with the filtration space.

5. The backwashing equipment of claim 1, wherein the filtering component comprises a plurality of filtering pipes, the filtering pipes are of a cavity structure with a closed upper end and an open lower end, and the cavity is a filtering cavity.

6. The backwashing equipment of claim 5, wherein the lower end of the filtering pipe is provided with external threads, the partition plate is provided with fixing holes matched with the filtering pipe, and the filtering pipe is arranged on the partition plate through the matching of the external threads and the fixing nuts.

7. The backwashing apparatus as claimed in claim 5, wherein the inner wall of the filter pipe is provided with reinforcing ribs.

8. The backwash apparatus as defined in claim 5, wherein the backwash water inlet conduit is provided in communication with the filter chamber.

9. The backwash equipment as defined in any one of claims 5 to 8, wherein the filter tube is a slotted filter tube.

10. The backwash apparatus as defined in claim 1, wherein the casing is provided at its upper end with a pressure valve.