CN209108687U - A kind of gravity type is to dirty Compound filter pool - Google Patents
A kind of gravity type is to dirty Compound filter pool Download PDFInfo
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- CN209108687U CN209108687U CN201821645979.8U CN201821645979U CN209108687U CN 209108687 U CN209108687 U CN 209108687U CN 201821645979 U CN201821645979 U CN 201821645979U CN 209108687 U CN209108687 U CN 209108687U
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- 230000005484 gravity Effects 0.000 title claims abstract description 19
- 150000001875 compounds Chemical class 0.000 title abstract description 7
- 238000001914 filtration Methods 0.000 claims abstract description 140
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 140
- 238000011001 backwashing Methods 0.000 claims description 38
- 238000003860 storage Methods 0.000 claims description 24
- 239000002131 composite material Substances 0.000 claims description 11
- 238000005273 aeration Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000009825 accumulation Methods 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 99
- 239000000463 material Substances 0.000 description 12
- 238000011010 flushing procedure Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000006004 Quartz sand Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- HTIQEAQVCYTUBX-UHFFFAOYSA-N amlodipine Chemical compound CCOC(=O)C1=C(COCCN)NC(C)=C(C(=O)OC)C1C1=CC=CC=C1Cl HTIQEAQVCYTUBX-UHFFFAOYSA-N 0.000 description 1
- 229960000528 amlodipine Drugs 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 239000003657 drainage water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000009287 sand filtration Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
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- Filtration Of Liquid (AREA)
Abstract
The utility model provides a kind of gravity type to dirty Compound filter pool, the gravity type to dirty Compound filter pool include: upper filtering layer, lower filtering layer, supporting layer and pond body；The upper filtering layer is the first filtering layer that partial size is arranged and is greater than predetermined value；Lower filtering layer is arranged on the downside of upper filtering layer, is less than the second filtering layer of predetermined value in lower filtering layer for setting partial size；Supporting layer is arranged on the downside of lower filtering layer, holds in the palm lower filtering layer and upper filtering layer for claiming；Upper filtering layer, lower filtering layer and supporting layer are arranged in pond body, and water inlet pipe and outlet pipe is arranged in pond body.By the way that the intracorporal filtering layer in pond to be layered, top is divided into upper filtering layer of the partial size compared with group, and lower part is divided into the thinner lower filtering layer of partial size, and lowermost part is supporting layer, and such water flow from top to bottom, will have many advantages, such as that holding filth capacity is big, head loss is small, filter cycle is long.
Description
Technical Field
The utility model relates to a gravity type is to compound filtering pond of downflow.
Background
The existing filter tank is a technical process for removing suspended matters in water by aiming at filtration so as to purify the water. The filter tank has various types, and can be divided into a single-layer filter material filter tank, a double-layer filter material filter tank, a multi-layer filter material filter tank and a mixed filter material filter tank according to a filter material layer; the filter can be divided into an upward flow filter, a downward flow filter, a bidirectional flow filter and a radial flow filter according to the water flow direction; the filter can be divided into a gravity type filter and a pressure type filter according to the working pressure; the filter can be divided into a slow filter, a fast filter and a high-speed filter according to the filtering speed. A filter system is often a combination of several types.
The traditional downward flow filter tank has the characteristics of small filtration layer dirt interception amount, large head loss, short filtering period and the like in the filtering process due to the use of one layer of filtering.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a gravity type is to compound filtering pond that flows downwards to solve present in the filtering process of the filtering pond that flows downwards that the filter bed interception dirt volume is little, head loss is big, characteristics problem such as filtration cycle is short.
In order to solve the technical problem, as an aspect of the utility model provides a gravity type composite filter flows downwards, include:
the upper filtering layer is a first filtering layer with the grain diameter larger than a preset value;
the lower filtering layer is arranged on the lower side of the upper filtering layer, and the lower filtering layer is a second filtering layer with the grain diameter smaller than a preset value;
the supporting layer is arranged on the lower side of the lower filtering layer and is used for weighing and supporting the lower filtering layer and the upper filtering layer;
the filter comprises a tank body, wherein the upper filter layer, the lower filter layer and the bearing layer are arranged in the tank body, and the tank body is provided with a filter water inlet pipe and a filter water outlet pipe.
Further, a water storage area with a preset height is arranged between the upper filtering layer and the lower filtering layer.
Furthermore, a communicating pipe penetrating through the upper filter layer is arranged on the upper filter layer;
a check valve for preventing water from flowing upwards from bottom to top is arranged in the communicating pipe;
the upper water inlet of the communicating pipe is higher than the upper filter layer by a preset distance;
and the lower water outlet of the communicating pipe is arranged in the water storage area.
Further, the method also comprises the following steps:
the water inlet of the back flushing water discharging pipe is arranged in the water storage area; wherein,
the backwashing water draining pipe penetrates through the upper filtering layer and extends out of the tank body after being higher than the upper filtering layer by a preset height.
Furthermore, a water storage area is arranged in the tank body on the lower side of the lower filtering layer;
the water inlet end of the filtering water outlet pipe is provided with a filtering section, and the filtering section is arranged in the water storage area;
the filtering water outlet pipe penetrates through the bearing layer and the lower filtering layer in sequence and then extends out of the tank body.
Further, a back flush water inlet pipe connected with a back flush water pump is arranged on the tank body,
the water inlet of the backwashing water inlet pipe is connected with the water storage area;
and the water outlet of a backwashing water outlet pipe of the backwashing water pump is arranged in the bearing layer.
Further, the back washing water outlet pipe is connected with an aeration pipe used for ventilating the back washing water outlet pipe; or,
the back washing water outlet pipe is connected with an air-water back washing water inlet pipe used for introducing air water into the back washing water outlet pipe.
Furthermore, a water outlet of the filtering water inlet pipe is provided with a filtering water distribution pipe, and the filtering water distribution pipe is arranged on the upper filtering layer.
Compared with the prior art, the utility model discloses an intentional effect lies in:
the utility model provides a gravity type is to compound filtering pond of downflow, it includes: the device comprises an upper filtering layer, a lower filtering layer, a supporting layer and a pool body; the upper filtering layer is a first filtering layer with the grain diameter larger than a preset value; the lower filter layer is arranged on the lower side of the upper filter layer, and a second filter layer with the grain diameter smaller than a preset value is arranged in the lower filter layer; the supporting layer is arranged on the lower side of the lower filtering layer and is used for supporting the lower filtering layer and the upper filtering layer; the upper filtering layer, the lower filtering layer and the bearing layer are arranged in the tank body, and the tank body is provided with a water inlet pipe and a water outlet pipe. Through carrying out the layering with the filtering layer in the pond, the upper portion is the upper filter layer that the particle diameter is more organized, and the lower part is the lower filter layer that the particle diameter is thinner, and the bottommost part is the bearing layer, and rivers from top to bottom will have advantages such as the interception volume is big, head loss is little, the filter cycle length.
Drawings
Fig. 1 is a schematic block diagram illustrating a specific application of a gravity type downflow composite filter according to an embodiment of the present invention.
Description of reference numerals:
1. an upper filtering layer; 11. a communicating pipe; 2. a lower filtering layer; 3. a support layer; 4. a tank body; 41. filtering the water inlet pipe; 42. a water outlet pipe is filtered; 43. a water storage area; 44. a filtration section; 45. filtering the water distribution pipe; 5. a water storage area; 6. backwashing the drain pipe; 7. a water washing pump; 71. backwashing the water inlet pipe; 72. backwashing the water outlet pipe; 8. an aeration pipe.
Detailed Description
The embodiments of the invention are described in detail below, but the invention can be implemented in many different ways, which are defined and covered by the claims.
The existing upward flow filter tank is an ideal filtering mode, wherein water enters from the bottom of the filter tank, water exits from the upper part of the filter tank, and upward flow filtration is adopted. The filtering layer of the general filtering pool is characterized in that the grain diameter of the filtering material is reduced from bottom to top, and the filtering material flows upwards, so that the filtering mode is an ideal filtering mode, namely the filtering material firstly passes through the filtering layer with thicker grain diameter and then passes through the filtering layer with thinner grain diameter from bottom to top. The structure of the utility model refers to the design of the upward flow filtration thought.
As shown in fig. 1, an embodiment of the present invention provides a gravity type downflow composite filter, including: an upper filtering layer 1, a lower filtering layer 2, a supporting layer 3 and a tank body 4; the upper filtering layer 1 is a first filtering layer with the grain diameter larger than a preset value; the lower filtering layer 2 is arranged at the lower side of the upper filtering layer 1, and the lower filtering layer 2 is a second filtering layer with the grain diameter smaller than a preset value; the supporting layer 3 is arranged at the lower side of the lower filtering layer 2 and is used for supporting the lower filtering layer 2 and the upper filtering layer 1; an upper filtering layer 1, a lower filtering layer 2 and a supporting layer 3 are arranged in the tank body 4, and a filtering water inlet pipe 41 and a filtering water outlet pipe 42 are also arranged on the tank body 4.
Through carrying out the layering with the filtering layer in the pond, the upper portion is the upper filter layer that the particle diameter is thick, and the lower part is the lower filter layer that the particle diameter is thin, and the bottommost is the bearing layer, and rivers from top to bottom will have advantages such as the interception volume is big, head loss is little, the filter cycle length.
A water storage area 5 with a preset height is arranged between the upper filter layer 1 and the lower filter layer 2, and a communicating pipe 11 penetrating through the upper filter layer 1 is arranged on the upper filter layer 1; a check valve for preventing water from flowing upwards from bottom is arranged in the communicating pipe 11; the upper water inlet of the communicating pipe 11 is higher than the upper filter layer by a preset distance; the lower water outlet of the communicating pipe 11 is arranged in the water storage area 5.
Will go up, lower filtering layer part, the centre has the high water storage district of 100 ~ 200mm, is equipped with several communicating pipes of taking the baffle check valve in the coarse filtration in situ, will deposit water storage district and coarse filtration layer (go up filtering layer) top water intercommunication, the benefit of this way has two points: firstly, during normal filtration, if the upper-layer filter material is blocked, the head loss is increased, the upstream water level is raised, and the raised water level is discharged into the lower-layer filter material through the communicating pipe for filtration, so that the filtration period of the system can be prolonged, and the backwashing frequency is reduced; secondly, during back flushing, air water flows from bottom to top, when the water level rises to the back flushing drainage water level (higher than the communicating pipe), back flushing drainage begins to drain, sewage above the rough filtering layer can quickly pass through the communicating pipe to flow downwards to the water storage area and then is discharged out of the pool through the drainage pipe, and therefore suspended matters in the sewage can be prevented from being intercepted in the rough filtering layer.
This gravity type compound filtering pond of downflow still includes: a back washing water discharging pipe 6, wherein the water inlet of the back washing water discharging pipe 6 is arranged in the water storage area 5; wherein, the back flush drain pipe 6 penetrates through the upper filtering layer 1 and extends out of the tank body 4 after being higher than the upper filtering layer 1 by a preset height.
The back flush drain pipe with the structural design adopts siphon drainage, and sewage (containing water in the coarse filtration layer) above the sand filtration layer can be thoroughly drained out of the pool.
A water storage area 43 is arranged in the tank body 4 at the lower side of the lower filtering layer 2; the water inlet end of the filtering water outlet pipe 42 is provided with a filtering section 44, and the filtering section 44 is arranged in the water storage area 43; the filtering water outlet pipe 42 sequentially penetrates through the supporting layer 3 and the lower filtering layer 2 and then extends out of the tank body 4.
The water storage area after filtering below the filtering layer is used as a water storage area which can be used as a water pumping pool of a back washing pump without a back washing reservoir.
A backwashing water inlet pipe 71 connected with a backwashing water pump 7 is arranged on the tank body 4, and a water inlet of the backwashing water inlet pipe 7 is connected with the water storage area 43; the water outlet of the back washing water outlet pipe 72 of the back washing water pump 7 is arranged in the supporting layer 3.
The back washing water outlet pipe 72 is connected with an aeration pipe 8 used for ventilating the back washing water outlet pipe 72; or the backwashing water outlet pipe 72 is connected with a gas-water backwashing water inlet pipe for introducing gas water into the backwashing water outlet pipe 72.
In order to reduce the volume of the water storage area of the filter tank, the backwashing of the system can be simultaneously flushed by air and water, so that the flushing intensity of water can be reduced, the volume of the reservoir is reduced, and the floor area of the filter tank is reduced.
The water outlet of the filtering water inlet pipe 41 is provided with a filtering cloth water pipe 45, and the filtering cloth water pipe 45 is arranged on the upper filtering layer 1. So as to increase the uniform water inlet of the filtering water inlet pipe.
The filter chamber can use aeration to scrub the filter material in the bearing layer according to the requirement of the water quality to be treated, and remove SS, COD, BOD, amlodipine and the like in the water; or different filtering materials such as limestone, zeolite, scrap iron, quartz sand and the like are used for removing phosphorus, SS and the like.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A gravity-type downflow composite filter, comprising:
the filter comprises an upper filter layer (1), wherein the upper filter layer (1) is a first filter layer with the grain diameter larger than a preset value;
the lower filtering layer (2) is arranged on the lower side of the upper filtering layer (1), and the lower filtering layer (2) is a second filtering layer with the grain diameter smaller than a preset value;
the supporting layer (3) is arranged on the lower side of the lower filtering layer (2) and is used for supporting the lower filtering layer (2) and the upper filtering layer (1);
the filter comprises a pool body (4), wherein the upper filtering layer (1), the lower filtering layer (2) and the supporting layer (3) are arranged in the pool body (4), and the pool body (4) is provided with a filtering water inlet pipe (41) and a filtering water outlet pipe (42).
2. A gravity-fed downflow composite filter according to claim 1, wherein a water holding zone (5) of predetermined height is provided between said upper filter layer (1) and said lower filter layer (2).
3. A gravity type downward flow composite filter chamber according to claim 2, wherein the upper filter layer (1) is provided with a communicating pipe (11) penetrating through the upper filter layer (1);
a check valve for preventing water from flowing upwards from bottom to top is arranged in the communicating pipe (11);
the upper water inlet of the communicating pipe (11) is higher than the upper filtering layer by a preset distance;
the lower water outlet of the communicating pipe (11) is arranged in the water storage area (5).
4. A gravity-fed downflow composite filter according to claim 3, further comprising:
a water inlet of the back washing drain pipe (6) is arranged in the water storage area (5); wherein,
the backwashing water draining pipe (6) penetrates through the upper filtering layer (1), is higher than the upper filtering layer (1) by a preset height and extends out of the tank body (4).
5. A gravity-fed downflow composite filter according to claim 4, wherein a water accumulation zone (43) is provided in said tank body (4) on the lower side of said lower filter bed (2);
the water inlet end of the filtering water outlet pipe (42) is provided with a filtering section (44), and the filtering section (44) is arranged in the water storage area (43);
the filtering water outlet pipe (42) penetrates through the supporting layer (3) and the lower filtering layer (2) in sequence and then extends out of the tank body (4).
6. A gravity type downflow combined filter according to claim 5, wherein a backwash water inlet pipe (71) connected with a backwash water pump (7) is arranged on the tank body (4),
the water inlet of the backwashing water inlet pipe (71) is connected with the water storage area (43);
the water outlet of a back washing water outlet pipe (72) of the back washing water pump (7) is arranged in the supporting layer (3).
7. A gravity-fed downflow composite filter according to claim 6, wherein said filter is of the type having a plurality of chambers
The back washing water outlet pipe (72) is connected with an aeration pipe (8) used for ventilating the back washing water outlet pipe (72); or,
the back washing water outlet pipe (72) is connected with a gas-water back washing water inlet pipe used for introducing gas-water into the back washing water outlet pipe (72).
8. A gravity type downward flow composite filter tank according to claim 7, wherein a filter water distribution pipe (45) is arranged at the water outlet of the filter water inlet pipe (41), and the filter water distribution pipe (45) is arranged on the upper filter layer (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821645979.8U CN209108687U (en) | 2018-10-12 | 2018-10-12 | A kind of gravity type is to dirty Compound filter pool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821645979.8U CN209108687U (en) | 2018-10-12 | 2018-10-12 | A kind of gravity type is to dirty Compound filter pool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209108687U true CN209108687U (en) | 2019-07-16 |
Family
ID=67200556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821645979.8U Active CN209108687U (en) | 2018-10-12 | 2018-10-12 | A kind of gravity type is to dirty Compound filter pool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209108687U (en) |
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2018
- 2018-10-12 CN CN201821645979.8U patent/CN209108687U/en active Active
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