CN219050443U

CN219050443U - Activated carbon filter for air backwashing mode

Info

Publication number: CN219050443U
Application number: CN202222775994.7U
Authority: CN
Inventors: 杨皓
Original assignee: Beijing Mingzeyuan Environmental Engineering Co ltd
Current assignee: Beijing Mingzeyuan Environmental Engineering Co ltd
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-05-23
Anticipated expiration: 2032-10-20

Abstract

The application relates to an activated carbon filter that air backwash mode was used, include: a filter body. The filter main body is hollow, a preset amount of filter material is placed in the filter main body, the side wall of the filter main body is provided with a middle water outlet, the middle water outlet is positioned above the filter material, and a preset distance between 100mm-200mm is reserved between the middle water outlet and the filter material. So set up, in carrying out the air backwash in-process, make the inside water of discharging into the filter main part, can cover about 100mm on the active carbon filter material to can artificially control the backwash expansion space on filter material layer, the broken quantity of active carbon filter material significantly reduces, avoid the loss of active carbon filter material, can thoroughly wash the active carbon filter material, effectively solved the easy broken problem of active carbon filter material again.

Description

Activated carbon filter for air backwashing mode

Technical Field

The application relates to the technical field of water purification, in particular to an activated carbon filter for an air backwashing mode.

Background

The activated carbon filter is a pressure container filled with activated carbon, in the water quality pretreatment system, the activated carbon filter can adsorb residual chlorine which cannot be removed in the preceding stage filtration to prevent the subsequent stage reverse osmosis membrane from oxidative degradation, and simultaneously, the activated carbon filter also adsorbs pollutant substances such as micromolecule organic matters leaked from the preceding stage, has obvious adsorption and removal effects on peculiar smell, colloid, pigment, heavy metal ions and the like in water, has the effect of reducing COD, can further reduce the SDI value of RO inflow water, and ensures that SDI is less than 5 and TOC is less than 2.Oppm. The backwashing mode includes hydraulic backwashing, air backwashing, steam-water mixing backwashing and the like.

Wherein, because the intensity of the activated carbon filter material is not high, when the water yield is too much in backwashing, the backwashing expansion rate of the activated carbon filter material is larger, and the activated carbon filter material is easy to break, thereby leading to the loss of the activated carbon filter material.

Disclosure of Invention

In view of this, this application provides an active carbon filter that air backwash mode used, through set up the intermediate drain outlet that is apart from the filter material suitable distance on filter main part lateral wall, discharge excessive water, avoid the filter material excessive expansion breakage, the broken quantity of significantly reduced filter material.

According to an aspect of the present application, there is provided an activated carbon filter for an air backwash mode, comprising: a filter body; the filter main body is hollow, and a preset amount of filter materials are placed in the filter main body; the side wall of the filter main body is provided with a middle water outlet which is positioned above the filter material, a preset distance is reserved between the middle water outlet and the filter material, and the preset distance is within a range of 100mm-200 mm.

In one possible implementation manner, a plurality of intermediate water outlets are formed in number; the plurality of intermediate drain openings are uniformly spaced along the circumference of the strainer body.

In one possible implementation, the intermediate drain opening is provided with an on-off valve.

In one possible implementation, the bottom of the filter body is provided with a fixed bracket; the fixed support is rectangular form structure, just the quantity of fixed support is equipped with three, and even interval sets up the bottom of filter main part.

In one possible implementation, each of the three fixing brackets is inclined toward the solid length direction of the filter body.

In one possible implementation, the filter material is activated carbon.

In one possible implementation manner, a water distribution device is arranged inside the filter main body; the water distribution device is of a plate-shaped structure and is matched with the filter main body; the water distribution device is positioned below the filter material.

In one possible implementation manner, the top part of the filter main body is provided with a backwash water outlet, and the bottom part is provided with a backwash water inlet and a backwash water inlet.

In one possible implementation, the filter body is sealed, and both the top and bottom are provided with manholes.

The active carbon filter for the air backwashing mode has the beneficial effects that: the side wall of the filter main body is provided with a middle water outlet communicated with the inside of the filter main body for discharging excessive water, so that excessive expansion and crushing of the activated carbon filter material are avoided. Wherein, in carrying out the air backwash in-process, the inside water of filter main part is discharged, can cover on the active carbon filter material about 100mm to can artificially control the backwash expansion space of filter material layer, the broken quantity of active carbon filter material significantly reduces, avoid the loss of active carbon filter material, can thoroughly wash the active carbon filter material, effectively solved the easy broken problem of active carbon filter material again.

Other features and aspects of the present application will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments, features and aspects of the present application and together with the description, serve to explain the principles of the present application.

Fig. 1 is a schematic diagram showing a main structure of an activated carbon filter for an air backwash method according to an embodiment of the present application.

Detailed Description

Various exemplary embodiments, features and aspects of the present application will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers indicate identical or functionally similar elements. Although various aspects of the embodiments are illustrated in the accompanying drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

It should be understood, however, that the terms "center," "longitudinal," "transverse," "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," and the like indicate or are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the utility model or simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The word "exemplary" is used herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.

In addition, numerous specific details are set forth in the following detailed description in order to provide a better understanding of the present application. It will be understood by those skilled in the art that the present application may be practiced without some of these specific details. In some instances, methods, means, elements, and circuits have not been described in detail as not to unnecessarily obscure the present application.

Fig. 1 shows a schematic view of a main body structure according to an embodiment of the present application. As shown in fig. 1, an activated carbon filter for an air backwash method according to an embodiment of the present application includes: a filter body 100. The filter main body 100 is hollow, a preset amount of filter material 200 is placed in the filter main body 100, the side wall of the filter main body 100 is provided with a middle water outlet 110, the middle water outlet 110 is positioned above the filter material 200, and a preset distance between the middle water outlet 110 and the filter material 200 is reserved between 100mm and 200 mm. So set up, in carrying out the air backwash in-process, make the inside water of discharging into filter main part 100, can cover in about 100mm of the top of active carbon filter material 200 to can artificially control the backwash expansion space of filter material 200 layer, the broken quantity of active carbon filter material 200 significantly reduces, avoid active carbon filter material 200's loss, can thoroughly wash active carbon filter material 200, effectively solved the easy broken problem of active carbon filter material 200 again.

In this particular embodiment, the present application employs a filter backwash flow using an air backwash method: first, the quantitative activated carbon filter material 200 is built in the filter main body 100 and is located above the water distribution device 300. Second, water is introduced into the filter main body 100 from a backwash water inlet 130 formed in the bottom of the filter main body 100. Third, the opening and closing valve 111 on the middle drain outlet 110 in the interval of 100mm-200mm at the top of the activated carbon filter material 200 is opened by opening the side wall of the filter body 100, and water can be covered in 100mm-200mm at the top of the activated carbon filter material 200. Fourth, compressed air is discharged into the inside of the filter body 100 through a backwash air inlet formed at the bottom of the filter body 100, so that water is boiled for 2-3 minutes. Fifth, the water after air backwashing is discharged from the top or bottom of the filter body 100 through a water collecting pipe.

Wherein, the activated carbon filter material 200 itself intensity is not high, and the water absorption is easy to expand, when the water yield of filter main body 100 inside backwash is too much, easily leads to activated carbon filter material 200 breakage, makes activated carbon filter material 200 can run off along with the discharge of water, and the broken slag of activated carbon filter material 200 is inconvenient to wash, easily adheres to on the inside lateral wall of filter main body 100 to the degree of difficulty of clearance filter main body 100 inside lateral wall still increases. Accordingly, the degree of expansion of the activated carbon filter material 200 is controlled by controlling the amount of water inside the filter body 100.

In a specific embodiment, the service life of the activated carbon filter material 200 is one year, and the usage amount of the activated carbon filter material 200 is certain, so that the position of the top of the activated carbon filter material 200 in a range of 100mm-200mm can be determined, and the side wall of the filter main body 100 in the preset range is provided with the middle water outlet 110 to drain the redundant water, so that the number of the inside of the filter main body 100 is kept to be covered in the range of 100mm-200mm at the top of the activated carbon filter material 200, thereby controlling the expansion degree of the activated carbon filter material 200 and avoiding breakage and loss.

Further, in this embodiment, an on-off valve 111 capable of sealing the intermediate drain opening 110 is provided on the intermediate drain opening 110 to control the closing of the intermediate drain opening 110. When the excessive water in the filter main body 100 needs to be discharged, the on-off valve 111 on the middle water outlet 110 is opened to discharge the water, so that the water in the filter main body 100 meets the actual requirement. In the rest period, the on-off valve 111 communicated with the middle water outlet 110 is in a closed state, so that the tightness of the interior of the filter main body 100 is maintained.

Further, in this embodiment, the number of the middle drain openings 110 may be 1 or more. Among them, 1 intermediate drain port 110 can drain the excess water in the filter main body 100. The plurality of intermediate water openings are provided, the plurality of intermediate water openings 110 are provided at intervals along the periphery Xiang Junyun of the strainer body 100, and the plurality of intermediate water openings 110 are all on the same horizontal plane, so that the water level in the strainer body 100 can be at the same horizontal plane.

In one embodiment, a fixing bracket 400 is provided at the outer bottom of the filter body 100 for fixing the filter body 100 of the canister structure. Wherein, the fixing brackets 400 are of a strip structure, and the number of the fixing brackets 400 is 3, and the fixing brackets 400 are uniformly arranged at the bottom of the outer side of the filter main body 100 at intervals to support the filter main body 100. In addition, 3 fixing brackets 400 are fixedly mounted to the filter body 100 by welding, and the line of welding spots of 3 fixing brackets 400 on the filter body 100 in the horizontal direction is an equilateral triangle. Thus, the 3 fixing brackets 400 can fix the filter body 100 more firmly.

Further, in this embodiment, the 3 fixing brackets 400 are inclined toward the longitudinal direction of the filter body 100, so as to lower the center of gravity of the filter body 100, and further increase the stability of the filter body 100.

In a specific embodiment, an adaptive water distribution device 300 is disposed at the bottom end inside the filter body 100, and the water distribution device 300 has a plate-shaped structure, so that the activated carbon filter material 200 can be placed above the water distribution device 300 with the plate-shaped structure. Thus, water can permeate from the bottom of the activated carbon filter material 200 through the water distribution device 300, thereby finishing backwashing.

Further, in this embodiment, the bottom of the filter body 100 is provided with a backwash water inlet 130, and is communicated with the water distribution device 300 for discharging water into the filter body 100. In addition, the top of the filter main body 100 is provided with a backwash water outlet, and a water collecting pipe is arranged in the filter main body 100, one end of the water collecting pipe is communicated with the backwash water outlet, and the other end of the water collecting pipe is positioned at the position of the water distribution device 300 and used for discharging backwash water, wherein the water collecting pipe can be communicated with the water collecting pipe through a pump to provide power to discharge backwash water. Furthermore, a backwash air inlet is formed in the bottom of the filter main body 100 for discharging compressed air, so that the subsequent air backwash is facilitated.

In one embodiment, manholes are formed in both the top and bottom of the filter body 100 to facilitate cleaning or maintenance of the interior of the filter body 100.

In one embodiment, a fixing lug 120 is provided at the outer top of the filter body 100 for easy handling or transportation.

The embodiments of the present application have been described above, the foregoing description is exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the improvement of technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims

1. An activated carbon filter for use in an air backwash mode, comprising:

a filter body;

the filter main body is hollow, and a preset amount of filter materials are placed in the filter main body;

a middle water outlet is formed in the side wall of the filter main body and is positioned above the filter material, and a preset distance is reserved between the middle water outlet and the filter material; and the preset distance is within the range of 100mm-200 mm.

2. The activated carbon filter for air backwashing mode according to claim 1, wherein a plurality of intermediate water discharge ports are provided;

the plurality of intermediate drain openings are uniformly spaced along the circumference of the strainer body.

3. The activated carbon filter for air backwashing mode according to claim 2, wherein the intermediate drain port is provided with an on-off valve.

4. The activated carbon filter for air backwashing mode according to claim 1, wherein a fixing bracket is provided at the bottom of the filter main body;

the fixed support is rectangular form structure, just the quantity of fixed support is equipped with three, and even interval sets up the bottom of filter main part.

5. The activated carbon filter for air backwashing mode according to claim 4, wherein each of the three fixing brackets is inclined toward a solid length direction of the filter main body.

6. The activated carbon filter for use in air backwash as claimed in claim 1, wherein the filter material is activated carbon.

7. The activated carbon filter for air backwashing mode according to claim 1, wherein a water distribution device is provided inside the filter main body;

the water distribution device is of a plate-shaped structure and is matched with the filter main body;

the water distribution device is positioned below the filter material.

8. The activated carbon filter for air backwashing mode according to claim 1, wherein a backwash water outlet is provided at the top of the filter main body, and a backwash water inlet are provided at the bottom.

9. The activated carbon filter for air backwashing mode according to claim 1, wherein the filter body is sealed, and manholes are formed at the top and bottom.