CN220907199U - Carbon sand filter water drainage tank for blocking active carbon loss - Google Patents
Carbon sand filter water drainage tank for blocking active carbon loss Download PDFInfo
- Publication number
- CN220907199U CN220907199U CN202322602844.0U CN202322602844U CN220907199U CN 220907199 U CN220907199 U CN 220907199U CN 202322602844 U CN202322602844 U CN 202322602844U CN 220907199 U CN220907199 U CN 220907199U
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- Prior art keywords
- drainage tank
- main
- carbon
- auxiliary
- baffles
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 141
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 81
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 239000004576 sand Substances 0.000 title claims abstract description 32
- 230000000903 blocking effect Effects 0.000 title claims abstract description 16
- 239000002351 wastewater Substances 0.000 claims abstract description 16
- 238000007599 discharging Methods 0.000 claims abstract description 6
- 230000000295 complement effect Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 21
- 238000011010 flushing procedure Methods 0.000 description 19
- 239000010410 layer Substances 0.000 description 11
- 239000000463 material Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000005484 gravity Effects 0.000 description 4
- 239000010802 sludge Substances 0.000 description 4
- 239000002344 surface layer Substances 0.000 description 4
- 238000006065 biodegradation reaction Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000009469 supplementation Effects 0.000 description 1
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- Water Treatment By Sorption (AREA)
Abstract
The utility model discloses a drainage tank of a carbon sand filter for blocking active carbon from losing, which comprises a drainage tank for discharging wastewater; the number of the main baffles and the number of the auxiliary baffles are two, the main baffles and the auxiliary baffles are connected with the wall body, and the main baffles and the auxiliary baffles are symmetrically arranged in the length direction of the drainage tank; the two main baffles are respectively inclined towards the direction away from the drainage tank, and a gap is reserved between the bottom of each main baffle and the outer side wall of the drainage tank; an active carbon collecting area is arranged between the main baffle and the auxiliary baffle which are positioned on the same side of the drainage groove; the bottom edge of the main baffle plate and the top edge of the drainage tank are positioned on the same horizontal plane, and the width of the orthographic projection area of the main baffle plate on the auxiliary baffle plate is smaller than the height of the auxiliary baffle plate; the device can effectively prevent the active carbon on the upper layer of the carbon sand filter from losing along with the backwash water, ensure the effective filtration height of the carbon layer of the filter, reduce the blockage of drain pipes and related equipment, improve the utilization efficiency of the active carbon layer and ensure the biological treatment effect of the carbon sand filter. The device has low cost and is easy to reconstruct and install.
Description
Technical Field
The utility model belongs to the technical field of water supply treatment, and particularly relates to a drainage tank of a carbon sand filter for blocking active carbon loss.
Background
In recent years, with the increasing standard of sanitary drinking water, the problem of micro-polluted source water is receiving more and more attention.
The carbon sand filter tank is used as an upper-layer active carbon filter material and a lower-layer quartz sand filter material, and can synchronously realize the adsorption, biodegradation and physical interception of the active carbon.
The carbon sand filter can strengthen the removal effect of pollutants such as organic matters, ammonia nitrogen and the like on the basis of effectively guaranteeing turbidity removal, and only needs to simply reform the original sand filter of a water plant, so that the cost of capital construction and daily operation management is low.
However, when the current water purification plant carbon sand double-layer filter material filter tank adopts a drainage tank for back flushing, because back flushing water rises from the bottom of the filter tank and activated carbon is positioned above a filter material layer, rising back flushing water can be caused to enable the activated carbon to be in a flowing state when the filter tank is back flushed, and further when water in the filter tank reaches a certain amount, filtered water can be directly discharged from the drainage tank, in the process, floating activated carbon can be discharged into the drainage tank along with the water, so that the loss rate of the activated carbon filter material is high, the carbon is seriously run, the interception and biodegradation capacity of the filter tank are reduced, and a drainage pipeline and related equipment are easy to block; in addition, frequent carbon replenishment increases the running cost of the filter.
Therefore, how to reduce the loss of activated carbon in the filtration process is a problem to be solved at present.
Disclosure of utility model
The utility model aims to: provides a drainage tank of a carbon sand filter for blocking the loss of active carbon so as to solve the problems in the prior art.
The technical scheme is as follows: a carbon sand filter drainage tank for blocking loss of activated carbon, comprising:
A drain tank for discharging wastewater;
The number of the main baffles and the number of the auxiliary baffles are two, the main baffles and the auxiliary baffles are connected with the wall body, and the main baffles and the auxiliary baffles are symmetrically arranged in the length direction of the drainage tank;
The two main baffles are respectively inclined towards the direction away from the drainage tank, and a gap is reserved between the bottom of each main baffle and the outer side wall of the drainage tank;
an active carbon collecting area is arranged between the main baffle and the auxiliary baffle which are positioned on the same side of the drainage groove;
the bottom edge of the main baffle plate and the top edge of the drainage tank are positioned on the same horizontal plane,
The width of the orthographic projection area of the main baffle plate on the auxiliary baffle plate is smaller than the height of the auxiliary baffle plate.
In a further embodiment, two guide plates are obliquely arranged on the outer side wall of the drainage groove;
A preset gap is formed between the bottom of the main baffle plate and the guide plate, and the gap is a carbon discharge port.
In a further embodiment, the drainage channel comprises a V-shaped channel and channel walls vertically disposed along both sides of the V-shaped channel.
In a further embodiment, a plurality of first anchor rods and anchor nails for connecting the first anchor rods with the groove walls are arranged at equal intervals at the bottom of the main baffle plate;
the first anchor rod extends to the drainage tank for a preset distance, bends towards the bottom of the drainage tank and is abutted with the tank wall.
In a further embodiment, an included angle of 30-60 degrees is arranged between the main baffle and the auxiliary baffle;
The main baffle is perpendicular to the guide plate;
the angle between the guide plate and the groove wall is complementary with the angle between the main baffle and the auxiliary baffle.
In a further embodiment, the width of the gap between the bottom edge of the main baffle and the groove wall is 20-40 mm.
In a further embodiment, the distance between the bottom of the guide plate and the groove wall is 30-50 mm.
In a further embodiment, a plurality of second anchor rods are arranged between the two pairs of baffles at equal intervals, and the first anchor rods and the second anchor rods are distributed in a staggered mode.
In a further embodiment, wherein the coordinate system is established with the height direction of the water discharge groove and the direction away from the V-shaped groove as positive directions, the main baffle, the auxiliary baffle and the deflector are close to the positive directions as top and vice versa as bottom
The beneficial effects are that: the utility model relates to a carbon sand filter drainage tank for blocking the loss of active carbon, in order to reduce the loss of active carbon in the filtration process, two main baffles which are obliquely arranged are arranged on two sides of the drainage tank, wherein a preset gap is reserved between the bottom and the side wall of the main baffle, and when waste water is filtered, the waste water gradually passes through the drainage tank and the main baffle and then enters an active carbon collection area between the main baffle and an auxiliary baffle, then along with the increase of the waste water amount, water flows into the drainage tank, and in the process that the water flows transversely into the drainage tank, the top end of the auxiliary baffle is higher than a backwash water surface liquid line, and the transversely flowing flushing water carries active carbon to horizontally impact and is intercepted on the auxiliary baffle; the active carbon overflowed from the top end of the auxiliary baffle plate enters an active carbon collecting area formed between the main baffle plate and the auxiliary baffle plate to be collected, and after the back flushing is finished, the active carbon is precipitated in the active carbon collecting area under the action of gravity and flows out from a carbon discharge port formed between the main baffle plate and the guide plate to return into the carbon sand filter tank; the light sludge in the back flush wastewater floats on the surface layer of the flushing water, is less affected by impact, and is directly carried by water flow to enter a drainage tank for drainage; the device can effectively prevent the active carbon on the upper layer of the carbon sand filter from losing along with the backwash water, ensure the effective filtration height of the carbon layer of the filter, reduce the blockage of drain pipes and related equipment, improve the utilization efficiency of the active carbon layer and ensure the biological treatment effect of the carbon sand filter. The device has low cost and is easy to reconstruct and install.
Drawings
FIG. 1 is a cross-sectional view of a drainage tank of a sand filter according to the present utility model;
FIG. 2 is a schematic view of the longitudinal structure of the drainage tank of the sand filter in FIG. 1;
Fig. 3 is a schematic view of a single-sided structure of the drain tank in fig. 1.
The reference numerals in the drawings are as follows: the device comprises a drainage tank 1, a main baffle 2, an auxiliary baffle 3, a guide plate 4, a first anchor rod 5, an anchor nail 6, a second anchor rod 7, an active carbon collecting area 8, a carbon discharging port 9, a gap 10, a V-shaped groove 11 and a groove wall 12.
Detailed Description
Through research and analysis of the applicant, the problem (high loss rate of an activated carbon filter material, serious carbon leakage, reduction of interception and biodegradation capacity of the filter tank, easy blockage of a drainage pipeline and related equipment, and frequent carbon supplementation increases running cost of the filter tank) is caused by the fact that the back flushing water rises from the bottom of the filter tank and the activated carbon is positioned above a filter material layer, so that when the filter tank is backflushed, rising backflushed water can cause the activated carbon to be in a flowing state, and further, when the water in the filter tank reaches a certain amount, filtered water can be directly discharged from a drainage tank, in the process, the floating activated carbon can also be discharged into the drainage tank along with the water, and further, the loss rate of the activated carbon filter material is high and serious, in order to reduce the loss of the activated carbon in the filtering process, the device is further provided with two main baffles which are obliquely arranged at two sides of the drainage tank, wherein a preset gap is reserved between the bottom of the main baffles and the side walls, and further, when the waste water is filtered, the waste water gradually passes through the drainage tank and the main baffles, enters an activated carbon collection area between the main baffles and the auxiliary baffles, and then flows into the drainage tank along with the water flow to the drainage tank along with the increase of the water, and is carried by the water flow to the top end of the auxiliary baffles in the horizontal direction in the drainage tank due to the horizontal impact process; the active carbon overflowed from the top end of the auxiliary baffle plate enters an active carbon collecting area formed between the main baffle plate and the auxiliary baffle plate to be collected, and after the back flushing is finished, the active carbon is precipitated in the active carbon collecting area under the action of gravity and flows out from a carbon discharge port formed between the main baffle plate and the guide plate to return into the carbon sand filter tank; the light sludge in the back flush wastewater floats on the surface layer of the flushing water, is less affected by impact, and is directly carried by water flow to enter a drainage tank for drainage.
A carbon sand filter drainage tank for blocking loss of activated carbon, comprising: the device comprises a drainage tank 1, a main baffle 2, an auxiliary baffle 3, a guide plate 4, a first anchor rod 5, an anchor nail 6, a second anchor rod 7, an active carbon collecting area 8, a carbon discharging port 9, a gap 10, a V-shaped groove 11 and a groove wall 12.
The device comprises a drainage tank 1 for discharging waste water; the number of the main baffle plates 2 and the number of the auxiliary baffle plates 3 are two, the main baffle plates are connected with the wall body, and the main baffle plates and the auxiliary baffle plates are symmetrically arranged in the length direction of the drainage tank 1; the two main baffles 2 are respectively inclined towards the direction away from the drainage tank 1, and a gap 10 is reserved between the bottom of each main baffle and the outer side wall of the drainage tank 1; an active carbon collecting area 8 is arranged between the main baffle 2 and the auxiliary baffle 3 which are positioned on the same side of the drainage tank 1; the bottom edge of the main baffle plate 2 and the top edge of the drainage tank 1 are positioned on the same horizontal plane, and the width of the orthographic projection area of the main baffle plate 2 on the auxiliary baffle plate 3 is smaller than the height of the auxiliary baffle plate 3; two guide plates 4 are obliquely arranged on the outer side wall of the drainage tank 1; a preset gap is formed between the bottom of the main baffle plate 2 and the guide plate 4, and the gap is a carbon discharge port 9; when filtering the wastewater, the wastewater gradually passes through the drainage tank 1 and the main baffle 2 and then enters an active carbon collecting area 8 between the main baffle 2 and the auxiliary baffle 3, then along with the increase of the wastewater amount, water flows into the drainage tank 1, and in the process that the water flows transversely into the drainage tank 1, as the top end of the auxiliary baffle 3 is higher than a backwash water surface liquid line, the transversely flowing flushing water carries active carbon to horizontally impact on the auxiliary baffle 3 and is intercepted; activated carbon overflowed from the top end of the auxiliary baffle plate 3 enters an activated carbon collecting area 8 formed between the main baffle plate 2 and the auxiliary baffle plate 3 to be collected, after back flushing is finished, the activated carbon is precipitated in the activated carbon collecting area 8 under the action of gravity and flows out from a carbon discharge port 9 formed between the main baffle plate 2 and the guide plate 4 to return into the carbon sand filter tank; the light sludge in the back flush wastewater floats on the surface layer of the flushing water, is less influenced by impact, and is directly carried by water flow to enter the drainage tank 1 for drainage; the device can effectively prevent the active carbon on the upper layer of the carbon sand filter from losing along with the backwash water, ensure the effective filtration height of the carbon layer of the filter, reduce the blockage of drain pipes and related equipment, improve the utilization efficiency of the active carbon layer and ensure the biological treatment effect of the carbon sand filter. The device has low cost and is easy to reconstruct and install.
The drain tank 1 includes a V-shaped tank 11 and tank walls 12 vertically provided along both sides of the V-shaped tank 11.
A plurality of first anchor rods 5 and anchor nails 6 used for connecting the first anchor rods 5 with the groove walls 12 are arranged at equal intervals at the bottom of the main baffle plate 2; the first anchor rod 5 extends towards the bottom of the drainage tank 1 by a preset distance, is bent towards the bottom of the drainage tank 1 and is abutted against the tank wall 12, and the installation of the main baffle 2 is completed through the arranged first anchor rod 5, so that when the main baffle 2 is damaged, the replacement of the main baffle 2 can be completed.
An included angle of 30-60 degrees is formed between the main baffle 2 and the auxiliary baffle 3; the main baffle 2 is perpendicular to the guide plate 4; the angle between the guide plate 4 and the groove wall 12 is complementary to the angle between the main baffle 2 and the auxiliary baffle 3.
The width of the gap 10 between the bottom edge of the main baffle plate 2 and the groove wall 12 is 20-40 mm.
The distance between the bottom of the guide plate 4 and the groove wall 12 is 30-50 m.
A plurality of second anchor rods 7 are arranged between the two pairs of baffle plates 3 at equal intervals, and the first anchor rods 5 and the second anchor rods 7 are distributed in a staggered mode.
Description of working principle: when the back flushing operation is carried out, back flushing water gradually passes through the water discharge tank 1 and the main baffle plate 2 and then enters the active carbon collecting area 8 between the main baffle plate 2 and the auxiliary baffle plate 3, then along with the increase of back flushing amount, water flow enters the water discharge tank 1, and in the process that the water flow transversely flows into the water discharge tank 1, as the top end of the auxiliary baffle plate 3 is higher than the liquid line of the back flushing water surface, the transversely flowing flushing water carries active carbon to horizontally impact and is intercepted on the auxiliary baffle plate 3; activated carbon overflowed from the top end of the auxiliary baffle plate 3 enters an activated carbon collecting area 8 formed between the main baffle plate 2 and the auxiliary baffle plate 3 to be collected, after back flushing is finished, the activated carbon is precipitated in the activated carbon collecting area 8 under the action of gravity and flows out from a carbon discharge port 9 formed between the main baffle plate 2 and the guide plate 4 to return into the carbon sand filter tank; the light sludge in the back flush wastewater floats on the surface layer of the flushing water, is less affected by impact, and is directly carried by water flow to enter the drainage tank 1 for drainage, so that the loss of activated carbon can be reduced.
As described above, although the present utility model has been shown and described with reference to certain preferred embodiments, it is not to be construed as limiting the utility model itself. Various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (8)
1. A carbon sand filter water drainage tank for blocking active carbon loss, comprising:
A drain tank for discharging wastewater;
The number of the main baffles and the number of the auxiliary baffles are two, the main baffles and the auxiliary baffles are connected with the wall body, and the main baffles and the auxiliary baffles are symmetrically arranged in the length direction of the drainage tank;
The two main baffles are respectively inclined towards the direction away from the drainage tank, and a gap is reserved between the bottom of each main baffle and the outer side wall of the drainage tank;
an active carbon collecting area is arranged between the main baffle and the auxiliary baffle which are positioned on the same side of the drainage groove;
the bottom edge of the main baffle plate and the top edge of the drainage tank are positioned on the same horizontal plane,
The width of the orthographic projection area of the main baffle plate on the auxiliary baffle plate is smaller than the height of the auxiliary baffle plate.
2. A carbon sand filter drainage tank for blocking activated carbon loss according to claim 1, wherein: two guide plates are obliquely arranged on the outer side wall of the drainage groove;
A preset gap is formed between the bottom of the main baffle plate and the guide plate, and the gap is a carbon discharge port.
3. A carbon sand filter drainage tank for blocking activated carbon loss according to claim 2, wherein: the drainage tank comprises a V-shaped tank and tank walls vertically arranged along two sides of the V-shaped tank.
4. A carbon sand filter drainage tank for blocking activated carbon loss according to claim 1, wherein: a plurality of first anchor rods and anchor nails for connecting the first anchor rods with the groove walls are arranged at equal intervals at the bottom of the main baffle plate;
the first anchor rod extends to the drainage tank for a preset distance, bends towards the bottom of the drainage tank and is abutted with the tank wall.
5. The activated carbon loss blocking carbon sand filter drainage tank of claim 4, wherein: an included angle of 30-60 degrees is formed between the main baffle and the auxiliary baffle;
The main baffle is perpendicular to the guide plate;
the angle between the guide plate and the groove wall is complementary with the angle between the main baffle and the auxiliary baffle.
6. A carbon sand filter drainage tank for blocking activated carbon loss according to claim 1, wherein: the width of the gap between the bottom edge of the main baffle and the groove wall is 20-40 mm.
7. A carbon sand filter drainage tank for blocking activated carbon loss according to claim 2, wherein: the distance between the bottom of the guide plate and the groove wall is 30-50 mm.
8. The activated carbon loss blocking carbon sand filter drainage tank of claim 4, wherein: a plurality of second anchor rods are arranged between the two pairs of baffle plates at equal intervals, and the first anchor rods and the second anchor rods are distributed in a staggered mode.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322602844.0U CN220907199U (en) | 2023-09-25 | 2023-09-25 | Carbon sand filter water drainage tank for blocking active carbon loss |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322602844.0U CN220907199U (en) | 2023-09-25 | 2023-09-25 | Carbon sand filter water drainage tank for blocking active carbon loss |
Publications (1)
Publication Number | Publication Date |
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CN220907199U true CN220907199U (en) | 2024-05-07 |
Family
ID=90920079
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202322602844.0U Active CN220907199U (en) | 2023-09-25 | 2023-09-25 | Carbon sand filter water drainage tank for blocking active carbon loss |
Country Status (1)
Country | Link |
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CN (1) | CN220907199U (en) |
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2023
- 2023-09-25 CN CN202322602844.0U patent/CN220907199U/en active Active
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