CN210905116U - Special effect precoat structure of reuse of reclaimed water - Google Patents
Special effect precoat structure of reuse of reclaimed water Download PDFInfo
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- CN210905116U CN210905116U CN201921278848.5U CN201921278848U CN210905116U CN 210905116 U CN210905116 U CN 210905116U CN 201921278848 U CN201921278848 U CN 201921278848U CN 210905116 U CN210905116 U CN 210905116U
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Abstract
The utility model relates to a reuse of reclaimed water special effect precoat structure, its structure of arranging includes the four layers from bottom to top, is in proper order: the utility model redesigns the reclaimed water recycling filter material layer and optimizes a large number of tests through the first small-particle-size filter material layer, the second middle large-particle-size filter material layer, the third middle small-particle-size filter material layer and the fourth small-particle-size filter material layer, multiple filter materials are used in a single water treatment filter tank or a water treatment filter tank and are reasonably arranged, so that COD, ammonia nitrogen, turbidity, odor, suspended matters and the like in the water body are well removed, the recycling standard is met, and the backwashing strength is high, the service life of the filter material is effectively prolonged, the operation cost and the washing energy consumption are reduced, after the operation is stabilized through a period of time, can also form the biomembrane on the filter material surface and incidentally get rid of other pollutants, practice proves that this filter material layer structure filter effect is good, and it is stable up to standard to go out water to need not change the filter material 5 ~ 8 years, economic benefits is good.
Description
Technical Field
The utility model relates to a filter material structure of a water treatment filter tank and a water treatment filter tank of a reclaimed water recycling part of a sewage treatment plant, in particular to a special effect filter material layer structure for reclaimed water recycling.
Background
Along with the development of economy, the urban water consumption increases year by year, through retrieving urban sewage, carry out concentrated advanced treatment and then be used for production, life etc. can realize the cyclic utilization of water resource, current reuse of reclaimed water filtering pond and reuse of reclaimed water filter tank, wherein the reuse of reclaimed water filter bed structure is the individual layer, although can effectively get rid of specific pollutant, but face complicated water inlet condition, need establish many sets of systems, the whole investment is big, and in order to guarantee high adsorption effect, the filter material is very easy to harden, and the filter rate is slow, therefore, the reuse of reclaimed water filter bed treatment capacity of current water treatment filtering pond and water treatment filter tank is limited, need regularly change after long-time use, the life of filter material is short, the water resource consumption is big, it is high to handle the energy consumption, and be unfavorable for reducing the running cost.
Optimize through long-time experimental study and practical application, use multiple filter material in single water treatment filtering pond or water treatment canister, rationally arrange, make COD in the water, ammonia nitrogen, turbidity, smell flavor, the suspended solid, etc. all have better getting rid of, satisfy the retrieval and utilization standard, and back flush intensity is big, the effectual life who prolongs the filter material, the running cost is reduced and the energy consumption is washed, after through a period steady operation, can also form the biomembrane and incidentally get rid of other pollutants at the filter material surface, through practice proves, utilize in water treatment filtering pond and water treatment canister the utility model relates to a special effect precoat structure of reclaimed water retrieval and utilization, make filter effect good, it is stable up to standard to go out the water, and can not need change the filter material in 5 ~ 8 years, economic benefits is good.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a reuse of reclaimed water special effect precoat structure to can improve throughput, reduce running cost, in order to solve not enough among the prior art.
In order to achieve the above purpose, the following technical scheme is provided:
the utility model provides a reuse of reclaimed water special effect precoat structure which characterized in that, its structure of arranging includes four layers from bottom to top, is in proper order: a first small-particle-size filter material layer, a second medium-particle-size filter material layer, a third medium-particle-size filter material layer and a fourth small-particle-size filter material layer.
Preferably, the first small particle size filter material layer: a large-particle-size filter material layer in the second layer: a medium and small particle size filter material layer in the third layer: the thickness ratio of the fourth small-particle-size filter material layer is 7:1:4:1, the thickness sum of the four filter materials is not less than 1200mm, and the thickness sum of the first small-particle-size filter material layer and the third small-particle-size filter material layer is not less than 1000 mm.
Preferably, the thickness of the medium-small-particle-size filter material layer in the third layer can be determined according to the heights of the water treatment filter pool and the water treatment filter tank and the quality of inlet water, and the final height of the medium-small-particle-size filter material layer is not larger than the thickness of the small-particle-size filter material layer in the first layer.
Preferably, the upper limit of the range of the particle size of the first small-particle-size filter material layer is taken as reference 1, the particle size of the first small-particle-size filter material layer is 0.73-1, the particle size of the large-particle-size filter material layer in the second layer is 2-3.33, the particle size of the small-particle-size filter material layer in the third layer is 1.07-2, and the particle size of the fourth small-particle-size filter material layer is 0.67-1.07.
Preferably, the material of the first small-particle-size filter material layer is a quartz sand filter material, the material of the second medium-particle-size filter material layer is a high-quality volcanic rock filter material, the material of the third medium-particle-size filter material layer is a high-quality volcanic rock filter material, and the material of the fourth small-particle-size filter material layer is a high-quality volcanic rock filter material.
The utility model has the advantages that:
1. the utility model discloses a reclaimed water retrieval and utilization special efficiency precoat structure can get rid of COD, ammonia nitrogen, turbidity in the water effectively, smells flavor, suspended solid etc. satisfies the reclaimed water retrieval and utilization standard.
2. The utility model discloses a reclaimed water retrieval and utilization special efficiency filter bed structure possesses the high filtration speed, compares area with the reclaimed water retrieval and utilization facility of equal throughput and can reduce by a wide margin to back flush intensity is high, and the whole long service life of filter material can guarantee not to change the filter material 5 ~ 8 years.
3. The utility model discloses a reclaimed water retrieval and utilization special effect precoat structure can make the quality of water of intaking be superior to the target water of one-level B, goes out the water and reaches three kinds of water standards.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the practical effect of the present invention;
the reference symbols shown in the figures are: 1-water distribution and air distribution layer, 2-special support layer for reclaimed water reuse, 301-first small-particle-size filter material layer, 302-medium and large-particle-size filter material layer, 303-third small-particle-size filter material layer, and 304-fourth small-particle-size filter material layer.
Detailed Description
The following describes the present design in detail with reference to the accompanying drawings.
As shown in fig. 1, a special filter bed structure for reclaimed water reuse comprises four layers from bottom to top, which are sequentially: a first small-particle-size filter material layer 301, a second medium-particle-size filter material layer 302, a third medium-particle-size filter material layer 303 and a fourth small-particle-size filter material layer 304.
Wherein, the first small-particle-size filter material layer 301: large-particle-size filter material layer 302 in the second layer: the third medium and small particle size filter material layer 303: the thickness ratio of the fourth small-particle-size filter material layer 304 is 7:1:4:1, the sum of the thicknesses of the four layers of filter materials is not less than 1200mm, and the sum of the thicknesses of the first small-particle-size filter material layer 301 and the third medium-particle-size filter material layer 303 is not less than 1000 mm.
The thickness of the third layer of medium and small-particle-size filter material layer 303 can be determined according to the heights of the water treatment filter pool and the water treatment filter tank and the quality of inlet water, and the final height is not more than the thickness 301 of the first layer of small-particle-size filter material layer.
The upper limit of the particle size range of the first small-particle-size filter material layer 301 is taken as reference 1, the particle size of the first small-particle-size filter material layer 301 is 0.73-1, the particle size of the large-particle-size filter material layer 302 in the second layer is 2-3.33, the particle size of the third small-particle-size filter material layer 303 is 1.07-2, and the particle size of the fourth small-particle-size filter material layer 304 is 0.67-1.07.
The material of the first small-particle-size filter material layer 301 is a quartz sand filter material, the material of the large-particle-size filter material layer 302 in the second layer is a high-quality volcanic rock filter material, the material of the third small-particle-size filter material layer 303 is a high-quality volcanic rock filter material, and the material of the fourth small-particle-size filter material layer 304 is a high-quality volcanic rock filter material.
Example 1
As shown in fig. 2, a water distribution and air distribution device is installed at the bottom of the reclaimed water reuse filter pool to form a water distribution and air distribution layer 1, three layers of filter materials are sequentially filled to form a reclaimed water reuse special supporting layer 2, a first small-particle-size filter material layer 301, a second medium-large-particle-size filter material layer 302, a third medium-small-particle-size filter material layer 303 and a fourth small-particle-size filter material layer 304 of the reclaimed water reuse special filter material layer structure are sequentially filled above the reclaimed water reuse special supporting layer 2, the height of the reclaimed water reuse filter pool and the thickness of each layer of the reclaimed water reuse special filter material layer structure are determined according to the quality of inlet water, the upper limit of the particle size range of the first small-particle-size filter material layer 301 is taken as a reference 1, wherein the particle size of the first small-particle-size filter material layer 301 is 0.73-1, the thickness is 700 mm; the large-particle-size filter material layer 302 in the second layer has the particle size of 2-3.33, the thickness of 100mm and is made of high-quality volcanic filter material; the middle and small-particle-size filter material layer 303 in the third layer has the particle size of 1.07-2 and the thickness of 400mm, and is made of high-quality volcanic filter material; the fourth small-particle-size filter material layer 304 is made of high-quality volcanic rock filter material, and has the particle size of 0.67-1.07 and the thickness of 100 mm. (application scene: common rapid filter of advanced treatment section of sewage treatment plant.)
Example 2
As shown in fig. 2, a water distribution and gas distribution device is installed at the bottom of the reclaimed water reuse filter tank to form a water distribution and gas distribution layer 1, three layers of filter materials are sequentially filled to form a reclaimed water reuse special supporting layer 2, a first small-particle-size filter material layer 301, a second medium-large-particle-size filter material layer 302, a third medium-small-particle-size filter material layer 303 and a fourth small-particle-size filter material layer 304 of the reclaimed water reuse special filter material layer structure are sequentially filled above the reclaimed water reuse special supporting layer 2, the height of the reclaimed water reuse filter tank and the thickness of each layer of the reclaimed water reuse special filter material layer structure are determined according to the quality of inlet water, the upper limit of the particle size range of the first small-particle-size filter material layer 301 is taken as a reference 1, wherein the particle size of the first small-particle-size filter material layer 301 is 0.73-1, the thickness is 700mm, and the; the large-particle-size filter material layer 302 in the second layer has the particle size of 2-3.33, the thickness of 100mm and is made of high-quality volcanic filter material; the middle and small-particle-size filter material layer 303 in the third layer has the particle size of 1.07-2, the thickness of 300mm and is made of high-quality volcanic filter material; the fourth small-particle-size filter material layer 304 is made of high-quality volcanic rock filter material, and has the particle size of 0.67-1.07 and the thickness of 100 mm. (application scenario: Filter tank for distributed reclaimed water reuse facility.)
Example 3
As shown in fig. 2, a water distribution and gas distribution device is installed at the bottom of the reclaimed water reuse filter tank to form a water distribution and gas distribution layer 1, three layers of filter materials are sequentially filled to form a reclaimed water reuse special supporting layer 2, a first small-particle-size filter material layer 301, a second medium-large-particle-size filter material layer 302, a third medium-small-particle-size filter material layer 303 and a fourth small-particle-size filter material layer 304 of the reclaimed water reuse special filter material layer structure are sequentially filled above the reclaimed water reuse special supporting layer 2, the height of the reclaimed water reuse filter tank and the thickness of each layer of the reclaimed water reuse special filter material layer structure are determined according to the quality of inlet water, the upper limit of the particle size range of the first small-particle-size filter material layer 301 is taken as a reference 1, wherein the particle size of the first small-particle-size filter material layer 301 is 0.73-1, the thickness is 700mm, and the; the large-particle-size filter material layer 302 in the second layer has the particle size of 2-3.33, the thickness of 100mm and is made of high-quality volcanic filter material; the middle and small-particle-size filter material layer 303 in the third layer has the particle size of 1.07-2 and the thickness of 500mm, and is made of high-quality volcanic filter material; the fourth small-particle-size filter material layer 304 is made of high-quality volcanic rock filter material, and has the particle size of 0.67-1.07 and the thickness of 100 mm. (application scene: filter tank for domestic sewage reclaimed water reuse facility).
Claims (5)
1. The utility model provides a reuse of reclaimed water special effect precoat structure which characterized in that, its structure of arranging includes four layers from bottom to top, is in proper order: a first small-particle-size filter material layer, a second medium-particle-size filter material layer, a third medium-particle-size filter material layer and a fourth small-particle-size filter material layer.
2. The special filter material layer structure for reclaimed water reuse according to claim 1, wherein the first small particle size filter material layer: a large-particle-size filter material layer in the second layer: a medium and small particle size filter material layer in the third layer: the thickness ratio of the fourth small-particle-size filter material layer is 7:1:4:1, the thickness sum of the four filter materials is not less than 1200mm, and the thickness sum of the first small-particle-size filter material layer and the third small-particle-size filter material layer is not less than 1000 mm.
3. The special filter material layer structure for reclaimed water reuse according to claim 1 or 2, wherein the thickness of the medium-small particle size filter material layer in the third layer can be determined according to the height of the water treatment filter tank and the quality of inlet water, and the final height is not more than the thickness of the first small particle size filter material layer.
4. The special filter material layer structure for reclaimed water reuse according to claim 1, wherein the upper limit of the particle size range of the first small particle size filter material layer is set as reference 1, the particle size of the first small particle size filter material layer is 0.73-1, the particle size of the second large particle size filter material layer is 2-3.33, the particle size of the third small particle size filter material layer is 1.07-2, and the particle size of the fourth small particle size filter material layer is 0.67-1.07.
5. The special filter material layer structure for reclaimed water reuse according to claim 1, wherein the first small-particle-size filter material layer is made of quartz sand filter material, the second medium-large-particle-size filter material layer is made of high-quality volcanic rock filter material, the third medium-small-particle-size filter material layer is made of high-quality volcanic rock filter material, and the fourth small-particle-size filter material layer is made of high-quality volcanic rock filter material.
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| CN201921278848.5U CN210905116U (en) | 2019-08-08 | 2019-08-08 | Special effect precoat structure of reuse of reclaimed water |
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| CN201921278848.5U CN210905116U (en) | 2019-08-08 | 2019-08-08 | Special effect precoat structure of reuse of reclaimed water |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111871018A (en) * | 2020-09-01 | 2020-11-03 | 国投信开水环境投资有限公司 | Filter structure of filter tank and multi-layer filter material filter tank |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111871018A (en) * | 2020-09-01 | 2020-11-03 | 国投信开水环境投资有限公司 | Filter structure of filter tank and multi-layer filter material filter tank |
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