CN214344655U - Integrated backwashing device for cleaning filter tank - Google Patents
Integrated backwashing device for cleaning filter tank Download PDFInfo
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- CN214344655U CN214344655U CN202023343190.7U CN202023343190U CN214344655U CN 214344655 U CN214344655 U CN 214344655U CN 202023343190 U CN202023343190 U CN 202023343190U CN 214344655 U CN214344655 U CN 214344655U
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Abstract
The utility model relates to a be used for abluent integration backwash device in filtering pond belongs to water treatment facilities's technical field. An integrated backwashing device for cleaning a filter tank comprises a main pipeline and a water and gas distribution unit; a plurality of water distribution and air distribution units are arranged on the main pipeline; the water distribution and air distribution unit comprises water distribution holes, air distribution branch pipes and air distribution holes; in each air and water distribution unit, at least two water distribution holes are arranged on the main pipeline, and the opening direction is inclined downwards; in each air and water distribution unit, two air and water distribution branch pipes are symmetrically arranged on two sides of the main pipeline in the horizontal radial direction; and the top of the gas distribution branch pipe is provided with a vertically upward gas distribution hole. The backwashing device is arranged at the bottom of the filter and is fixed by a support frame; the utility model can effectively reduce the size of the filter tank and reduce the cost required by construction; the construction period can be effectively shortened, and the method is convenient and fast.
Description
Technical Field
The utility model relates to a water treatment facilities's technical field, concretely relates to be used for abluent integration backwash device in filtering pond.
Background
The filtering process is an important treatment process in water treatment plants and sewage plants and is also an important treatment process in sewage treatment plants, so the filter tank becomes one of the most important treatment structures in the water treatment plants and the sewage plants. The effect of filtering pond is mainly held back and is got rid of the graininess suspended impurity of filter material through filling in the pond to the aquatic, after having held more impurity in the filter material, need wash through the backwash, and wash and adopt the mode of going on with normal filtration reversal usually, make the filter material be in the suspended state and wash, reapply in filtering process after the sanitization, in order to guarantee the best backwash effect in filtering pond, need set up the water distribution gas distribution system that the backwash was used bottom the filtering pond, at present, water purification factory, backwash water distribution gas distribution in the sewage factory filtering pond generally adopts the reinforced concrete channel, the water distribution hole sets up in the bottom of channel, the gas distribution hole sets up and the channel top, carry out the water distribution gas distribution of backwash respectively, set up in the middle of straining the check. The minimum width is 800mm under the limit of the requirement of the reinforced concrete construction interval, and the width of the pool wall is 250mm, at least the area of 1300mm belongs to the invalid filtering area, thereby greatly wasting the effective area and increasing the civil engineering investment.
SUMMERY OF THE UTILITY MODEL
The problem of too much area is taken to equipment to water distribution gas distribution among the prior art, the utility model provides a be used for abluent integration backwash device in filtering pond to solve above-mentioned problem.
An integrated backwashing device for cleaning a filter tank comprises a main pipeline and a water and gas distribution unit; a plurality of water distribution and air distribution units are arranged on the main pipeline; the water distribution and air distribution unit comprises water distribution holes, air distribution branch pipes and air distribution holes; in each air and water distribution unit, at least two water distribution holes are arranged on the main pipeline, and the opening direction is inclined downwards; in each air and water distribution unit, two air and water distribution branch pipes are arranged, are positioned at two sides of the main pipeline in the horizontal radial direction and are symmetrically arranged; and the top of the gas distribution branch pipe is provided with a vertically upward gas distribution hole.
The backwashing device is arranged at the bottom of the filter and is fixed by a support frame; the filter is sequentially provided with a filter column, a filter beam, a filter plate and a bearing layer from bottom to top; a filter material is placed on the supporting layer; the backwashing device is arranged below the filter plate.
Preferably, the main pipeline is a stainless steel pipe.
Preferably, in each air and water distribution unit, two water distribution holes are arranged, and the opening direction is 45 degrees downward.
Preferably, in the water distribution and gas distribution unit, the water distribution holes and the gas distribution branch pipes are positioned on the same radial tangent plane vertical to the main pipe.
Preferably, the gas distribution branch pipe is a stainless steel pipe.
Preferably, the water distribution holes and the air distribution holes are circular holes and are formed by laser cutting. By the method, the size of each water distribution hole and the size of each air distribution hole can be kept consistent. Therefore, the problems of uneven water distribution and air distribution holes and different sizes caused by insufficient civil engineering construction precision can be effectively solved, and the backwashing uniformity of the filter tank is greatly improved.
The utility model discloses a theory of operation does:
(1) and (3) during normal operation: filtering the filtered water by a filter material, and then feeding the filtered water into the bottom space; enters the main pipeline through the water distribution holes of the equipment and is discharged out of the filter tank.
(2) During water backwashing: and (4) starting the backwashing water pump, and uniformly distributing water out through the bottom water distribution holes after the water enters the main pipeline of the integrated backwashing device.
(3) During gas backwashing: the backwashing blower is pneumatic, gas enters the main pipeline of the integrated backwashing device and is distributed out of the top gas distribution holes through the gas distribution branch pipes on the two sides, a gas cushion layer is formed at the bottom of the filter tank, and gas is uniformly distributed for gas backwashing.
The utility model has the advantages that:
(1) In the prior art, a channel is usually arranged on the center line of the filter tank, the filter tank is divided into two parts by a channel wall, air holes are arranged on the channel wall near a filter plate, and water holes are arranged at the bottom of the channel wall. Because of the limitation of the requirement of the reinforced concrete construction interval, the position of the intermediate channel is an invalid filtering space, the effective area is greatly wasted, and the civil engineering investment is increased. The utility model can effectively reduce the size of the filter tank, and does not need to lay reinforced concrete channels at the bottom of the filter tank, thereby saving the engineering quantity of civil engineering and reducing the cost required by construction; the utility model discloses can process in the factory building and accomplish, then on-the-spot integral erection can, can effectually shorten construction cycle, convenient and fast.
(2) The utility model discloses can effectively solve civil engineering construction precision and not enough lead to the problem that water distribution gas distribution hole height is uneven, the aperture is not of uniform size, improve the degree of consistency of backwash widely to the homogeneity of filtering pond backwash has been guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic plan view of the present invention;
FIG. 2 is a schematic view of the cross-sectional structure A-A of FIG. 1;
FIG. 3 is a schematic plan view of the installation of the apparatus of the present invention mounted to a filter;
FIG. 4 is a schematic cross-sectional view B-B of FIG. 3;
FIG. 5 is a schematic plan view of a prior art channel-mounted filter;
fig. 6 is a schematic view of the cross-sectional structure C-C of fig. 5.
In the figure, 1-main pipeline, 2-water distribution holes, 3-air distribution branch pipes, 4-air distribution holes, 5-filter tank, 6-filter plate, 7-filter tank column, 8-filter tank beam, 9-bearing layer, 10-filter material, 11-support frame, 12-channel wall, 13-channel and 14-water hole. 15-air holes.
Detailed Description
In order to make the technical solutions in the present invention better understood, the technical solutions in 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 only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
Example 1
The prior art is as follows: a channel 13 is arranged on the center line of the filter, a channel wall 12 divides the filter into two parts, air holes 15 are arranged at the position of the channel wall 12 close to the filter plate, and water holes 14 are arranged at the bottom of the channel wall 12.
An integrated backwashing device for cleaning a filter tank comprises a main pipeline 1 and a water and gas distribution unit; the main pipeline 1 is a stainless steel pipe; 8 water and gas distribution units are arranged on the main pipeline 1; the water distribution and gas distribution unit comprises water distribution holes 2, gas distribution branch pipes 3 and gas distribution holes 4; the gas distribution branch pipe 3 is a stainless steel pipe; in each gas and water distribution unit, the water distribution holes 2 and the gas and water distribution branch pipes 3 are positioned on the radial tangent plane of the same vertical main pipeline; two water distribution holes 2 are arranged in each air and water distribution unit and are positioned on the main pipeline 1, and the opening direction is inclined downwards by 45 degrees; the two gas distribution branch pipes 3 in each gas distribution and water distribution unit are positioned at two horizontal radial sides of the main pipeline 1 and are symmetrically arranged; the top of the gas distribution branch pipe 3 is provided with a vertically upward gas distribution hole 4; the water distribution holes 2 and the air distribution holes 4 are both circular holes and are formed by laser cutting.
The backwashing device is arranged at the bottom of the filter 5 and is fixed by a support frame 11; the filter 5 is sequentially provided with a filter column 7, a filter beam 8, a filter plate 6 and a bearing layer 9 from bottom to top; a filter material 10 is placed on the supporting layer 9; and the air distribution hole 4 of the backwashing device is arranged below the filter plate 6.
Although the present invention has been described in detail by referring to the drawings in conjunction with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and substance of the present invention, and these modifications or substitutions are intended to be within the scope of the present invention/any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. An integrated backwashing device for cleaning a filter tank is characterized by comprising a main pipeline and a water and gas distribution unit; a plurality of water distribution and air distribution units are arranged on the main pipeline; the water distribution and air distribution unit comprises water distribution holes, air distribution branch pipes and air distribution holes; in each air and water distribution unit, at least two water distribution holes are arranged on the main pipeline, and the opening direction is inclined downwards; in each air and water distribution unit, two air and water distribution branch pipes are arranged, are positioned at two sides of the main pipeline in the horizontal radial direction and are symmetrically arranged; the top of the gas distribution branch pipe is provided with a vertically upward gas distribution hole; the backwashing device is arranged at the bottom of the filter and is fixed by a support frame.
2. An integrated backwashing device for cleaning a filter tank as claimed in claim 1, wherein the filter tank is provided with a filter tank column, a filter tank beam, a filter plate and a supporting layer in sequence from bottom to top; a filter material is placed on the supporting layer; the backwashing device is arranged below the filter plate.
3. An integrated backwash device for filter cleaning according to claim 1 in which the main conduit is stainless steel.
4. The integrated backwashing device for cleaning the filter tank according to claim 1, wherein two water distribution holes are formed in each air distribution and water distribution unit, and the hole direction is 45 degrees downward.
5. An integrated backwashing device for cleaning a filter according to claim 1, wherein in the water distribution and air distribution unit, the water distribution holes and the air distribution branch pipes are positioned on the same vertical radial section of the main pipe.
6. An integrated backwashing apparatus for cleaning filter tanks as claimed in claim 1, wherein said gas distribution branch pipe is a stainless steel pipe.
7. The integrated backwashing device for cleaning the filter tank according to claim 1, wherein the water distribution holes and the air distribution holes are circular openings and are formed by laser cutting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023343190.7U CN214344655U (en) | 2020-12-31 | 2020-12-31 | Integrated backwashing device for cleaning filter tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023343190.7U CN214344655U (en) | 2020-12-31 | 2020-12-31 | Integrated backwashing device for cleaning filter tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214344655U true CN214344655U (en) | 2021-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023343190.7U Active CN214344655U (en) | 2020-12-31 | 2020-12-31 | Integrated backwashing device for cleaning filter tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214344655U (en) |
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2020
- 2020-12-31 CN CN202023343190.7U patent/CN214344655U/en active Active
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Address after: 3-904-6, Yinhe building, 2008 Xinluo street, high tech Zone, Jinan City, Shandong Province Patentee after: Shandong Huacheng Engineering Technology Co.,Ltd. Address before: 3-904-6, Yinhe building, 2008 Xinluo street, high tech Zone, Jinan City, Shandong Province Patentee before: SHANDONG HUACHENG URBAN CONSTRUCTION DESIGN ENGINEERING CO.,LTD. |