CN220300461U - Fiber filter bed - Google Patents
Fiber filter bed Download PDFInfo
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- CN220300461U CN220300461U CN202320777954.8U CN202320777954U CN220300461U CN 220300461 U CN220300461 U CN 220300461U CN 202320777954 U CN202320777954 U CN 202320777954U CN 220300461 U CN220300461 U CN 220300461U
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- 239000000835 fiber Substances 0.000 title claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 140
- 239000000945 filler Substances 0.000 claims abstract description 93
- 238000006243 chemical reaction Methods 0.000 claims abstract description 68
- 239000010865 sewage Substances 0.000 claims abstract description 37
- 238000001179 sorption measurement Methods 0.000 claims description 53
- 238000012856 packing Methods 0.000 claims description 26
- 239000002245 particle Substances 0.000 claims description 16
- 239000003463 adsorbent Substances 0.000 claims 6
- 230000000694 effects Effects 0.000 abstract description 12
- 238000001914 filtration Methods 0.000 abstract description 6
- 239000011148 porous material Substances 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 239000004743 Polypropylene Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 239000012765 fibrous filler Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model relates to the technical field of sewage treatment equipment, and provides a fiber filter bed, which comprises: the filter bed comprises a filter bed body and a filler layer, wherein the filter bed body is provided with a water inlet, a water outlet, an air inlet and an air outlet, the water inlet and the air outlet are formed in the top of the filter bed body, the water outlet and the air inlet are formed in the bottom of the filter bed body, the filler layer is arranged in the filter bed body, the filler layer comprises a reaction layer, and the filler of the reaction layer is modified fiber filler and is used for treating sewage. According to the utility model, the filter bed body is internally provided with the reaction layer with the filler being the modified fiber filler, so that the filter bed has the advantages of high pore gap rate, large reaction area, good filtering and film forming effects, practicality, convenience and high removal efficiency.
Description
Technical Field
The utility model relates to the technical field of sewage treatment equipment, in particular to a fiber filter bed.
Background
The fiber filter bed has the filtering effect, can carry out high-efficient treatment to sewage, but current fiber filter bed carries out the filtration from top to bottom with the help of sewage gravity, and the filler arrangement of fiber filter bed is mostly stereoplasm porous filler, and the porosity is low, filters and the effect of hanging the membrane is relatively poor, and the removal efficiency is low.
Disclosure of Invention
The utility model provides a fiber filter bed which is used for solving the problems of low porosity, poor filtering and film forming effects and low removal efficiency of the fiber filter bed adopting hard porous filler in the prior art.
The present utility model provides a fibrous filter bed comprising: the filter bed comprises a filter bed body and a filler layer, wherein the filter bed body is provided with a water inlet, a water outlet, an air inlet and an air outlet, the water inlet and the air outlet are formed in the top of the filter bed body, the water outlet and the air inlet are formed in the bottom of the filter bed body, the filler layer is arranged in the filter bed body, the filler layer comprises a reaction layer, and filler of the reaction layer is modified fiber filler and used for treating sewage.
According to the fiber filter bed provided by the utility model, the filler layer further comprises an adsorption layer, and the adsorption layer is arranged above the reaction layer.
According to the fiber filter bed provided by the utility model, the packing density of the reaction layer is greater than that of the adsorption layer, and the packing particle size of the reaction layer is smaller than that of the adsorption layer.
According to the fiber filter bed provided by the utility model, the filler thickness of the reaction layer is larger than that of the adsorption layer.
According to the fiber filter bed provided by the utility model, the packing layer further comprises a primary water distribution layer and a secondary water distribution and primary air distribution layer, the primary water distribution layer is arranged above the adsorption layer, and the secondary water distribution and primary air distribution layer is arranged between the adsorption layer and the reaction layer.
According to the fiber filter bed provided by the utility model, the packing density of the secondary water distribution primary air distribution layer is larger than that of the primary water distribution layer, and the packing particle size of the secondary water distribution primary air distribution layer is smaller than that of the primary water distribution layer.
According to the fiber filter bed provided by the utility model, the filler thickness of the secondary water distribution primary air distribution layer is larger than that of the primary water distribution layer.
According to the fiber filter bed provided by the utility model, the filler layer further comprises a water collecting layer, the water collecting layer is arranged below the reaction layer, and the water collecting layer is used for supporting the primary water distribution layer, the adsorption layer, the secondary water distribution primary air distribution layer and the reaction layer and is also used for collecting water.
According to the fiber filter bed provided by the utility model, the filler particle size of the water collecting layer is 30-40mm, and the filler thickness of the water collecting layer is 300-400mm.
According to the fiber filter bed provided by the utility model, the filter bed body is further provided with the maintenance opening, and the maintenance opening is positioned at the top of the filter bed body.
According to the fiber filter bed provided by the utility model, the water inlet and the air outlet are arranged at the top of the filter bed body, the water outlet and the air inlet are arranged at the bottom of the filter bed body, sewage enters the reaction layer from the top of the filter bed body, air enters the reaction layer from the bottom of the filter bed body, modified fiber filler in the reaction layer is used for treating sewage, the treated sewage is discharged from the bottom of the filter bed body, and the air is discharged from the top of the filter bed body; according to the utility model, the filter bed body is internally provided with the reaction layer with the filler being the modified fiber filler, so that the filter bed has the advantages of high pore gap rate, large reaction area, good filtering and film forming effects, practicality, convenience and high removal efficiency.
Drawings
In order to more clearly illustrate the utility model or the technical solutions of the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a fiber filter bed according to the present utility model;
reference numerals:
1: a filter bed body; 2: a water inlet; 3: a water outlet; 4: an air inlet; 5: an exhaust port; 6: a maintenance port; 7: a primary water distribution layer; 8: an adsorption layer; 9: secondary water distribution and primary air distribution layer; 10: a reaction layer; 11: and (5) collecting a water layer.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The fiber filter bed provided by the present utility model is described below with reference to fig. 1.
The utility model provides a fiber filter bed, comprising: the filter bed comprises a filter bed body 1 and a filler layer, wherein the filter bed body is provided with a water inlet 2, a water outlet 3, an air inlet 4 and an air outlet, the water inlet 2 and the air outlet are formed in the top of the filter bed body 1, the water outlet 3 and the air inlet 4 are formed in the bottom of the filter bed body 1, the filler layer is arranged in the filter bed body 1, the filler layer comprises a reaction layer 10, and the filler of the reaction layer 10 is modified fiber filler and is used for treating sewage.
The fiber filter bed provided by the utility model comprises a filter bed body 1, wherein the top of the filter bed body 1 is provided with a water inlet 2, the bottom of the filter bed body 1 is provided with a water outlet 3, sewage can enter the filter bed body 1 through the water inlet 2 of the filter bed body 1, and sewage treated by a filler layer is discharged through the water outlet 3; the bottom of filter bed body 1 still is equipped with air inlet 4, and the top of filter bed body 1 still is equipped with gas vent 5, and the inside that air can enter filter bed body 1 through air inlet 4 of filter bed body 1 bottom is the reaction layer provides oxygen to discharge through gas vent 5 at filter bed body 1 top.
In the actual operation process, sewage enters the filter bed body 1 through the water inlet 2, air enters the filter bed body 1 through the air inlet 4 to provide oxygen for the reaction layer 10, and the sewage reacts with the modified fiber filler in the reaction layer 10 under the action of the oxygen, so that the removal rate of COD (chemical oxygen consumption, mainly reflecting the pollution degree of organic matters in water), ammonia nitrogen and SS (substances which are insoluble in water and cannot pass through the filter in water) in the sewage is improved; the treated water is discharged through a water outlet 3 at the bottom of the filter bed body 1, and the air is discharged through an air outlet 5 at the top of the filter bed body 1.
According to the utility model, the water inlet and the air outlet are arranged at the top of the filter bed body, the water outlet and the air inlet are arranged at the bottom of the filter bed body, sewage enters the reaction layer from the top of the filter bed body, air enters the reaction layer from the bottom of the filter bed body, modified fiber filler in the reaction layer is used for treating sewage, the treated sewage is discharged from the bottom of the filter bed body, and the air is discharged from the top of the filter bed body; according to the utility model, the filter bed body is internally provided with the reaction layer with the filler being the modified fiber filler, so that the filter bed has the advantages of high pore gap rate, large reaction area, good filtering and film forming effects, practicality, convenience and high removal efficiency.
Further, on the basis of the above embodiment, the packing layer further includes an adsorption layer 8, and the adsorption layer 8 is disposed above the reaction layer 10.
The packing layer provided by the embodiment is arranged in the filter bed body 1, the packing layer comprises an adsorption layer 8 and a reaction layer 10, the adsorption layer 8 is arranged above the reaction layer 10, and sewage enters the filter bed body 1 through the water inlet 2 and is adsorbed through the adsorption layer 8, so that impurities in the sewage are adsorbed; the sewage is treated again after being adsorbed by the adsorption layer 8 and enters the reaction layer 10, and the treated sewage is discharged through the water outlet 3 of the filter bed body 1.
Further, the packing density of the reaction layer 10 is larger than that of the adsorption layer 8, and the packing particle size of the reaction layer 10 is smaller than that of the adsorption layer 8.
The filler of the adsorption layer 8 and the filler of the reaction layer 10 are the same, and are modified fiber fillers, wherein the modified fiber fillers comprise a fiber filler body and a fixed material bag, the fiber filler body is prepared from 75-80% of basalt and 20-25% of dolomite, and is crushed, melted, centrifugally blown and supported to form fiber yarns, the diameter of the fiber yarns is 4-6 microns, and a certain amount of binder and a hydrophilic modifier (such as polyvinyl alcohol and hydrophilic silicone oil) are blown during centrifugal blowing and supported to form the fiber yarns. After the fiber is formed into filaments, the filaments are subjected to compression molding, baking and shaping, molding and dicing are controlled, and parameters such as the size, the density, the porosity and the like of the blocks are set according to actual conditions.
Further, a fixed material bag is arranged, and is made of polypropylene, corrosion-resistant and hydrolysis-resistant, the modified fiber filler is kept in contact with sewage while the filler is consolidated, and the whole fiber filler is stacked in layers in the fixed material bag.
In one embodiment, the packing density of the adsorption layer 8 is 100-110Kg/m 3 The porous adsorption material has loose structure, the porosity is 80-85%, the water absorption is 80-90% of volume fraction, the particle size of the filler of the adsorption layer 8 is 20-30mm, namely the length, width and height of the filler are 20-30mm, and the adsorption is strong.
The packing density of the reaction layer 10 is 125-140Kg/m 3 Loose structure, 75-80% porosity, 75-85% water absorption, 10-15mm filler particle size, i.e. 8The length, width and height of the material are 10-15mm, the reaction area is increased, and the treatment effect is good.
Further, on the basis of the above embodiment, the filler thickness of the reaction layer 10 is larger than that of the adsorption layer 8.
In one embodiment, the reaction layer 10 has a packing thickness of 600-800mm and the adsorption layer 8 has a packing thickness of 400-600mm.
According to the utility model, the packing density of the reaction layer 10 is larger than that of the adsorption layer 8, the packing particle size of the reaction layer 10 is smaller than that of the adsorption layer 8, the gap rate of the reaction layer 10 is smaller than that of the adsorption layer 8, the packing water absorption of the reaction layer 10 is smaller than that of the adsorption layer 8, the packing thickness of the reaction layer 10 is larger than that of the adsorption layer 8, the pollutant in the sewage is treated by layering and grading, the sewage treatment effect is good, and the sewage treatment efficiency can be improved.
The relevant parameters of the filler of the adsorption layer 8 and the filler of the reaction layer 10 in the utility model are not particularly limited, and the fillers of the adsorption layer 8 and the reaction layer 10 are not particularly limited, and can be the same or different, so that the treatment effect of the reaction layer 10 is ensured to be higher than that of the adsorption layer 8.
The modified fibrous filler in the present utility model may be an inorganic mineral fibrous filler, preferably a modified hydrophilic inorganic mineral fibrous filler.
On the basis of the above embodiment, further, the packing layer further includes a primary water distribution layer 7 and a secondary water distribution primary air distribution layer 9, the primary water distribution layer 7 is disposed above the adsorption layer 8, and the secondary water distribution primary air distribution layer 9 is disposed between the adsorption layer 8 and the reaction layer 10.
Referring to fig. 1, the whole height of a filter bed body 1 provided by the utility model is 2-2.65m, a packing layer in the filter bed body 1 comprises a reaction layer 10, an adsorption layer 8, a primary water distribution layer 7 and a secondary water distribution and primary air distribution layer 9, wherein the primary water distribution layer 7 is arranged above the adsorption layer 8 to play a role in uniform water distribution, so that sewage uniformly enters the adsorption layer 8 below for treatment; the secondary water distribution primary air distribution layer 9 is arranged between the adsorption layer 8 and the reaction layer 10, water treated by the adsorption layer 8 enters the secondary water distribution primary air distribution layer 9, water treated by the adsorption layer 8 uniformly enters the reaction layer 10, and air entering from the bottom can be uniformly distributed, so that the air uniformly enters the adsorption layer 8 on the upper layer, and anaerobic odor of the adsorption layer 8 is prevented.
According to the utility model, the primary water distribution layer 7, the adsorption layer 8, the secondary water distribution primary air distribution layer 9 and the reaction layer 10 are sequentially arranged in the filter bed body 1 from top to bottom, sewage is sequentially filtered from top to bottom, air sequentially enters from bottom to top, functions of different filler layers are different, water distribution and air distribution are enhanced, pollutants in sewage are treated in a grading manner, the sewage treatment effect is good, and the sewage treatment efficiency is improved.
On the basis of the embodiment, the packing density of the secondary water distribution primary air distribution layer 9 is larger than that of the primary water distribution layer 7, and the packing particle size of the secondary water distribution primary air distribution layer 9 is smaller than that of the primary water distribution layer 7.
In one embodiment, the filler density of the primary water distribution layer 7 is 45-60kg/m 3 The sewage can play a role in uniform water distribution through the filler of the primary water distribution layer 7, the sewage uniformly enters the adsorption layer, and the particle size of the filler of the primary water distribution layer 7 is 50-95mm, such as pall rings and environment-friendly balls. The packing density of the secondary water distribution and primary air distribution layer 9 is 70-80kg/m 3 The structure strength is high, water is uniformly distributed for the lower reaction layer 10, and air can be uniformly distributed for the upper adsorption layer 8, so that air uniformly enters the adsorption layer 8 from the bottom, and anaerobic odor generation of the adsorption layer 8 is prevented; the particle size of the filler of the secondary water distribution and primary air distribution layer 9 is 25-32mm, such as pall ring and environment-friendly balls.
Further, the filler thickness of the secondary water distribution layer 9 is greater than the filler thickness of the primary water distribution layer 7.
In one embodiment, the filler thickness of the primary water distribution layer 7 is 100-150mm and the filler thickness of the secondary water distribution primary air distribution layer 9 is 200-300mm.
According to the utility model, the filler density of the secondary water distribution primary air distribution layer 9 is greater than that of the primary water distribution layer 7, the filler particle size of the secondary water distribution primary air distribution layer 9 is smaller than that of the primary water distribution layer 7, the filler thickness of the secondary water distribution primary air distribution layer 9 is greater than that of the primary water distribution layer 7, and the related parameters of the filler of the primary water distribution layer 7 and the filler of the secondary water distribution primary air distribution layer 9 are designed to strengthen water distribution and air distribution, so that pollutants in sewage are removed in a grading manner, the sewage treatment effect is good, and the treatment efficiency is high.
On the basis of the embodiment, the filler of the primary water distribution layer 7 and the filler of the secondary water distribution and primary air distribution layer 9 are polypropylene (PP) or polyvinyl chloride (PVC), so that the structural strength is high, and water and/or air can be uniformly distributed. The filler of the primary water distribution layer 7 and the filler of the secondary water distribution primary air distribution layer 9 are not particularly limited, and the water distribution effect of the secondary water distribution primary air distribution layer 9 is ensured to be higher than that of the primary water distribution layer 7.
On the basis of the above embodiment, the packing layer further includes a water collecting layer 11, the water collecting layer 11 is disposed below the reaction layer 10, and the water collecting layer 11 is used for supporting the primary water distributing layer 7, the adsorption layer 8, the secondary water distributing and primary air distributing layer 9 and the reaction layer 10, and is also used for collecting water.
The fiber filter bed provided by the utility model is characterized in that a filler layer is arranged in a filter bed body 1, and the filler layer comprises a primary water distribution layer 7, an adsorption layer 8, a secondary water distribution primary air distribution layer 9, a reaction layer 10 and a water collection layer 11 from top to bottom in sequence, wherein the water collection layer 11 is arranged at the bottom of the filter bed body 1 and is used for supporting the filler layer above the water collection layer 11.
Further, the water collecting layer 11 is communicated with the water outlet 3, sewage enters the water collecting layer 11 after being treated by the primary water distribution layer 7, the adsorption layer 8, the secondary water distribution primary air distribution layer 9 and the reaction layer 10, and the treated water is gathered in the water collecting layer 11 and is discharged through the water outlet 3.
Further, the filler particle diameter of the water-collecting layer 11 is 30-40mm, and the filler thickness of the water-collecting layer 11 is 300-400mm.
Specifically, the filler of the water collecting layer 11 is natural pebbles, the particle size is 30-40mm, the thickness of the filler is 300-400mm, and the filler is used for supporting the primary water distribution layer 7, the adsorption layer 8, the secondary water distribution primary air distribution layer 9 and the reaction layer 10 above, and has high strength and good support property.
On the basis of the above embodiment, further, the filter bed body 1 further comprises a maintenance port 6, the maintenance port 6 is located at the top of the filter bed body 1, the structure is simple, maintenance personnel can conveniently maintain the packing layer, and the user can conveniently clean the inside of the filter bed body 1, so that the maintenance cost is low.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (9)
1. A fiber filter bed, comprising: the filter bed comprises a filter bed body and a filler layer, wherein the filter bed body is provided with a water inlet, a water outlet, an air inlet and an air outlet, the water inlet and the air outlet are formed in the top of the filter bed body, the water outlet and the air inlet are formed in the bottom of the filter bed body, the filler layer is arranged in the filter bed body, the filler layer comprises a reaction layer, and filler of the reaction layer is modified fiber filler and is used for treating sewage;
the packing layer also comprises an adsorption layer, and the adsorption layer is arranged above the reaction layer.
2. The fibrous filter bed of claim 1 wherein said reaction layer has a filler density greater than that of said adsorbent layer and wherein said reaction layer has a filler particle size less than that of said adsorbent layer.
3. The fibrous filter bed of claim 2 wherein said reaction layer has a filler thickness greater than a filler thickness of said adsorbent layer.
4. The fibrous filter bed of claim 1 wherein said filler layer further comprises a primary water distribution layer disposed above said adsorbent layer and a secondary water distribution primary air distribution layer disposed between said adsorbent layer and said reaction layer.
5. The fibrous filter bed of claim 4 wherein said secondary water distribution primary air distribution layer has a filler density greater than that of said primary water distribution layer and wherein said secondary water distribution primary air distribution layer has a filler particle size less than that of said primary water distribution layer.
6. The fibrous filter bed of claim 5 wherein the filler thickness of the secondary water distribution primary air distribution layer is greater than the filler thickness of the primary water distribution layer.
7. The fibrous filter bed of claim 4 wherein said filler layer further comprises a water collection layer disposed below said reaction layer, said water collection layer being adapted to support said primary water distribution layer, said adsorbent layer, said secondary water distribution primary air distribution layer, and said reaction layer, and further adapted to collect water.
8. The fibrous filter bed of claim 7 wherein the water-collecting layer has a filler particle size of 30-40mm and the water-collecting layer has a filler thickness of 300-400mm.
9. The fiber filter bed of claim 1, wherein the filter bed body is further provided with a service port, the service port being located at a top of the filter bed body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320777954.8U CN220300461U (en) | 2023-04-10 | 2023-04-10 | Fiber filter bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320777954.8U CN220300461U (en) | 2023-04-10 | 2023-04-10 | Fiber filter bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220300461U true CN220300461U (en) | 2024-01-05 |
Family
ID=89344704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320777954.8U Active CN220300461U (en) | 2023-04-10 | 2023-04-10 | Fiber filter bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220300461U (en) |
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2023
- 2023-04-10 CN CN202320777954.8U patent/CN220300461U/en active Active
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