CN220159347U - Biogas slurry filtering equipment with back flushing device - Google Patents
Biogas slurry filtering equipment with back flushing device Download PDFInfo
- Publication number
- CN220159347U CN220159347U CN202321486387.7U CN202321486387U CN220159347U CN 220159347 U CN220159347 U CN 220159347U CN 202321486387 U CN202321486387 U CN 202321486387U CN 220159347 U CN220159347 U CN 220159347U
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- Prior art keywords
- pipe
- biogas slurry
- back flushing
- communicated
- tank
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- 238000011010 flushing procedure Methods 0.000 title claims abstract description 65
- 238000001914 filtration Methods 0.000 title claims abstract description 64
- 239000002002 slurry Substances 0.000 title claims abstract description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 63
- 238000005192 partition Methods 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 abstract description 9
- 238000011001 backwashing Methods 0.000 abstract 6
- 239000007788 liquid Substances 0.000 description 6
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 229930192334 Auxin Natural products 0.000 description 1
- 108010059892 Cellulase Proteins 0.000 description 1
- HMFHBZSHGGEWLO-SOOFDHNKSA-N D-ribofuranose Chemical compound OC[C@H]1OC(O)[C@H](O)[C@@H]1O HMFHBZSHGGEWLO-SOOFDHNKSA-N 0.000 description 1
- 229930191978 Gibberellin Natural products 0.000 description 1
- PYMYPHUHKUWMLA-LMVFSUKVSA-N Ribose Natural products OC[C@@H](O)[C@@H](O)[C@@H](O)C=O PYMYPHUHKUWMLA-LMVFSUKVSA-N 0.000 description 1
- HMFHBZSHGGEWLO-UHFFFAOYSA-N alpha-D-Furanose-Ribose Natural products OCC1OC(O)C(O)C1O HMFHBZSHGGEWLO-UHFFFAOYSA-N 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 229940088710 antibiotic agent Drugs 0.000 description 1
- 239000002363 auxin Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229940106157 cellulase Drugs 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- IXORZMNAPKEEDV-UHFFFAOYSA-N gibberellic acid GA3 Natural products OC(=O)C1C2(C3)CC(=C)C3(O)CCC2C2(C=CC3O)C1C3(C)C(=O)O2 IXORZMNAPKEEDV-UHFFFAOYSA-N 0.000 description 1
- 239000003448 gibberellin Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- SEOVTRFCIGRIMH-UHFFFAOYSA-N indole-3-acetic acid Chemical compound C1=CC=C2C(CC(=O)O)=CNC2=C1 SEOVTRFCIGRIMH-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 235000021122 unsaturated fatty acids Nutrition 0.000 description 1
- 150000004670 unsaturated fatty acids Chemical class 0.000 description 1
Abstract
The utility model discloses biogas slurry filtering equipment with a backwashing device, which comprises a filtering tank and a biogas slurry tank, wherein the bottom of the filtering tank is provided with the backwashing device, the bottom of one side of the filtering tank is communicated with a water outlet pipe, the top of the filtering tank is communicated with a main pipe, the top of the main pipe is communicated with a first three-way pipe, one end of one side of the biogas slurry pipe, which is far away from the first three-way pipe, is communicated with the biogas slurry tank, the other end of the first three-way pipe is communicated with a water outlet pipe, the inside of the filtering tank is fixedly provided with a coarse filter plate, a fine filter plate and a partition plate, and the backwashing device comprises a backwashing pump, a backwashing fan, a second three-way pipe and a backwashing pipe. Saving the water consumption for back flushing, reducing the replacement times of the filter material and the back flushing cost.
Description
Technical Field
The utility model relates to the technical field of filtering and back flushing, in particular to biogas slurry filtering equipment with a back flushing device.
Background
The biogas slurry is brown bright liquid formed by fermenting organic substances, and contains amino acid, cellulose, cellulase, protein, ribose, auxin, gibberellin, unsaturated fatty acid and certain antibiotics, and the purpose of back flushing is to clean impurities trapped in a filter material layer, so that the filter can recover the filtering capability in a short time, and equipment used in filtering the biogas slurry needs a back flushing device.
However, the prior art has the following drawbacks:
1. the back flushing device of the existing filter tank adopts tap water or filtered water to back flush, so that particles on the blocked filter screen are removed, the back flushing work is to clear by the impact force of water flow, the requirement on the impact force of water flow is high, otherwise, the back flushing effect is poor;
2. the back flushing device of the existing filter tank adopts tap water or filtered water to back flush, a large amount of water is needed, and the back flushing cost is high.
Disclosure of Invention
The utility model aims to provide biogas slurry filtering equipment with a back flushing device, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a natural pond liquid filtration equipment with back flush unit, includes filtration jar and natural pond liquid case, the bottom of filtration jar is equipped with back flush unit, the bottom intercommunication of filtration jar one side has the outlet pipe, the top intercommunication of filtration jar has the main pipe, the top intercommunication of main pipe has first three-way pipe, the port intercommunication of first three-way pipe one side has the natural pond liquid pipe, the one end that the natural pond liquid pipe kept away from first three-way pipe communicates with the natural pond liquid case, the port intercommunication of first three-way pipe opposite side has the drain pipe, the inside of filtration jar is fixedly provided with coarse filter, fine filter and baffle;
the back flushing device comprises a back flushing pump, a back flushing fan, a second three-way pipe and a back flushing pipe, wherein a water outlet of the back flushing pump is communicated with a water pipe, an air outlet of the back flushing fan is communicated with an air pipe, the water pipe and the air pipe are communicated with two ports of the second three-way pipe, the second three-way pipe is communicated with one end of the back flushing pipe, the other end of the back flushing pipe is communicated with a plurality of connecting pipes through a filtering tank, and the top ends of the connecting pipes are communicated with a leakage head through a partition plate.
Preferably, the backflushing valve positioned outside the filtering tank is arranged on the backflushing pipe, and the backflushing valve is opened when backflushing is needed to mix air and water.
Preferably, a plurality of the filter heads are opposite to the lower part of the fine filter plate, and the air and water backwash filter material is sprayed out of the filter heads to directly impact the fine filter plate, then impact the coarse filter plate and backwash.
Preferably, a water outlet valve is arranged on the water outlet pipe, the joint of the filtering tank and the water outlet pipe is positioned between the partition plate and the fine filtering plate, the water outlet pipe is opened through the water outlet valve, and biogas slurry filtered by the coarse filtering plate and the fine filtering plate is discharged from the water outlet pipe.
Preferably, a flange is arranged at the joint of the filtering tank and the main pipe, and the main pipe is connected with the filtering tank through the flange.
Preferably, the coarse filter plate, the fine filter plate and the partition plate are sequentially arranged from top to bottom.
Preferably, a biogas slurry filtering valve is installed at the joint of the first three-way pipe and the biogas slurry pipe, a drainage valve is installed at the joint of the first three-way pipe and the drainage pipe, the biogas slurry pipe is opened through the biogas slurry filtering valve, and the drainage pipe is opened through the drainage valve.
Compared with the prior art, the utility model has the beneficial effects that:
1. the air-water back flushing device has the advantages of high flushing strength, high shearing force, strong dirt removing capability on the surface of the sand layer, thorough back flushing, water consumption saving, good filtered water quality after back flushing and the like, and the device fully plays the advantages of air-water back flushing filter materials and improves the back flushing effect;
2. saving the water consumption for back flushing, reducing the replacement times of the filter material and the back flushing cost.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the backwash device of the present utility model;
fig. 3 is a schematic view of a partial structure of the present utility model.
In the figure: 1. a filter tank; 2. a biogas slurry tank; 3. a back flushing device; 31. a recoil pump; 32. a recoil fan; 33. a backwash tube; 34. a connecting pipe; 35. a leakage head; 36. a water pipe; 37. an air pipe; 38. a second tee; 39. a recoil valve; 4. a water outlet pipe; 5. fine filter plates; 6. a coarse filter plate; 7. a flange; 8. a main pipe; 9. a first tee; 10. a biogas slurry pipe; 11. a drain pipe; 12. a biogas slurry filtering valve; 13. a drain valve; 14. a partition board.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but 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.
Referring to fig. 1-3, the utility model provides biogas slurry filtering equipment with a back flushing device, which comprises a filtering tank 1 and a biogas slurry tank 2, wherein the back flushing device 3 is arranged at the bottom of the filtering tank 1, a water outlet pipe 4 is communicated with the bottom of one side of the filtering tank 1, a main pipe 8 is communicated with the top of the filtering tank 1, a flange 7 is arranged at the joint of the filtering tank 1 and the main pipe 8, a first three-way pipe 9 is communicated with the top end of the main pipe 8, a biogas slurry pipe 10 is communicated with the port of one side of the first three-way pipe 9, one end of the biogas slurry pipe 10 far away from the first three-way pipe 9 is communicated with the biogas slurry tank 2, a water outlet pipe 11 is communicated with the port of the other side of the first three-way pipe 9, a coarse filter plate 6, a fine filter plate 5 and a partition 14 are fixedly arranged in the filtering tank 1, and the coarse filter plate 6, the fine filter plate 5 and the partition 14 are sequentially arranged from top to bottom;
during biogas slurry filtering operation, biogas slurry in the biogas slurry tank 2 flows into the filtering tank 1 through the biogas slurry pipe 10 and the main pipe 8, the biogas slurry is filtered through the coarse filtering plate 6 and the fine filtering plate 5, and the filtered biogas slurry is discharged through the water outlet pipe 4.
The back flushing device 3 comprises a back flushing pump 31, a back flushing fan 32, a second three-way pipe 38 and a back flushing pipe 33, wherein a water outlet of the back flushing pump 31 is communicated with a water pipe 36, an air outlet of the back flushing fan 32 is communicated with an air pipe 37, the water pipe 36 and the air pipe 37 are communicated with two ports of the second three-way pipe 38, the second three-way pipe 38 is communicated with one end of the back flushing pipe 33, the other end of the back flushing pipe 33 passes through the filter tank 1 and is communicated with a plurality of connecting pipes 34, the top ends of the plurality of connecting pipes 34 are communicated with a leakage head 35 through a partition plate 14, and the plurality of leakage heads 35 are right against the lower part of the fine filter plate 5;
during back flushing operation, the back flushing pump 31 and the back flushing fan 32 work, water and air are respectively filled into the back flushing pipe 33 through the water pipe 36 and the air pipe 37 to form air and water back flushing filter materials, the air and water back flushing filter materials are upwards sprayed out through the plurality of leakage heads 35 to back flush the fine filter plate 5 and the coarse filter plate 6, and water after back flushing flows into the main pipe 8 and then is discharged from the drain pipe 11.
A backflushing valve 39 positioned outside the filter tank 1 is arranged on the backflushing pipe 33, a water outlet valve is arranged on the water outlet pipe 4, the joint of the filter tank 1 and the water outlet pipe 4 is positioned between the partition plate 14 and the fine filter plate 5, a biogas slurry filtering valve 12 is arranged at the joint of the first three-way pipe 9 and the biogas slurry pipe 10, and a water outlet valve 13 is arranged at the joint of the first three-way pipe 9 and the water outlet pipe 11;
the on-off of the backflushing pipe 33 is controlled by the backflushing valve 39, the on-off of the water outlet pipe 4 is controlled by the water outlet valve, the on-off of the biogas slurry pipe 10 is controlled by the biogas slurry filtering valve 12, and the on-off of the water outlet pipe 11 is controlled by the water outlet valve 13.
Working principle:
when the biogas slurry filtering operation is performed, the biogas slurry filtering valve 12 and the water outlet valve are opened, the backflushing valve 39 and the water outlet valve 13 are closed, the biogas slurry in the biogas slurry tank 2 flows into the filtering tank 1 through the biogas slurry pipe 10 and the main pipe 8, the biogas slurry is filtered through the coarse filtering plate 6 and the fine filtering plate 5, and the filtered biogas slurry is discharged through the water outlet pipe 4;
during back flushing operation, the biogas slurry filtering valve 12 and the water outlet valve are closed, the back flushing valve 39 and the water discharging valve 13 are opened, the back flushing pump 31 and the back flushing fan 32 work, water and air are respectively filled into the back flushing pipe 33 through the water pipe 36 and the air pipe 37 to form air and water back flushing filter materials, the air and water back flushing filter materials are sprayed upwards through the plurality of leakage heads 35 to back flush the fine filter plate 5 and the coarse filter plate 6, and water after back flushing is discharged from the water discharging pipe 11 after entering the main pipe 8.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. Biogas slurry filtering equipment with back flushing device, including filtration jar (1) and biogas slurry case (2), its characterized in that: the bottom of filtration jar (1) is equipped with back flush unit (3), the bottom intercommunication of filtration jar (1) one side has outlet pipe (4), the top intercommunication of filtration jar (1) has main pipe (8), the top intercommunication of main pipe (8) has first three-way pipe (9), the port intercommunication of first three-way pipe (9) one side has biogas slurry pipe (10), the one end that first three-way pipe (9) was kept away from to biogas slurry pipe (10) communicates with biogas slurry tank (2), the port intercommunication of first three-way pipe (9) opposite side has drain pipe (11), the inside of filtration jar (1) is fixed to be provided with coarse filter board (6), fine filter board (5) and baffle (14);
the back flushing device (3) comprises a back flushing pump (31), a back flushing fan (32), a second three-way pipe (38) and a back flushing pipe (33), wherein a water pipe (36) is communicated with a water outlet of the back flushing pump (31), an air pipe (37) is communicated with an air outlet of the back flushing fan (32), the water pipe (36) and the air pipe (37) are communicated with two ports of the second three-way pipe (38), the second three-way pipe (38) is communicated with one end of the back flushing pipe (33), the other end of the back flushing pipe (33) is communicated with a plurality of connecting pipes (34) through a filtering tank (1), and the tops of the connecting pipes (34) are all communicated with a leakage head (35) through a partition plate (14).
2. The biogas slurry filtration apparatus with a backwash device of claim 1 wherein: the backflushing pipe (33) is provided with a backflushing valve (39) positioned outside the filter tank (1).
3. The biogas slurry filtration apparatus with a backwash device of claim 1 wherein: the plurality of leakage heads (35) are right opposite to the lower part of the fine filter plate (5).
4. The biogas slurry filtration apparatus with a backwash device of claim 1 wherein: the water outlet valve is arranged on the water outlet pipe (4), and the joint of the filter tank (1) and the water outlet pipe (4) is positioned between the partition plate (14) and the fine filter plate (5).
5. The biogas slurry filtration apparatus with a backwash device of claim 1 wherein: a flange (7) is arranged at the joint of the filtering tank (1) and the main pipe (8).
6. The biogas slurry filtration apparatus with a backwash device of claim 1 wherein: the coarse filter plate (6), the fine filter plate (5) and the partition plate (14) are sequentially arranged from top to bottom.
7. The biogas slurry filtration apparatus with a backwash device of claim 1 wherein: the biogas slurry filtering valve (12) is arranged at the joint of the first three-way pipe (9) and the biogas slurry pipe (10), and the drainage valve (13) is arranged at the joint of the first three-way pipe (9) and the drainage pipe (11).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202321486387.7U CN220159347U (en) | 2023-06-12 | 2023-06-12 | Biogas slurry filtering equipment with back flushing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321486387.7U CN220159347U (en) | 2023-06-12 | 2023-06-12 | Biogas slurry filtering equipment with back flushing device |
Publications (1)
Publication Number | Publication Date |
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CN220159347U true CN220159347U (en) | 2023-12-12 |
Family
ID=89059595
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202321486387.7U Active CN220159347U (en) | 2023-06-12 | 2023-06-12 | Biogas slurry filtering equipment with back flushing device |
Country Status (1)
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CN (1) | CN220159347U (en) |
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2023
- 2023-06-12 CN CN202321486387.7U patent/CN220159347U/en active Active
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