CN220824506U - Air-water back flushing filter tank based on gravity valveless filter tank structure - Google Patents
Air-water back flushing filter tank based on gravity valveless filter tank structure Download PDFInfo
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- CN220824506U CN220824506U CN202322081988.6U CN202322081988U CN220824506U CN 220824506 U CN220824506 U CN 220824506U CN 202322081988 U CN202322081988 U CN 202322081988U CN 220824506 U CN220824506 U CN 220824506U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 258
- 238000011010 flushing procedure Methods 0.000 title claims abstract description 62
- 230000005484 gravity Effects 0.000 title claims abstract description 26
- 238000000926 separation method Methods 0.000 claims abstract description 20
- 238000005192 partition Methods 0.000 claims abstract description 9
- 239000004576 sand Substances 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000011001 backwashing Methods 0.000 abstract description 12
- 238000001914 filtration Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
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- Filtration Of Liquid (AREA)
Abstract
The utility model discloses a gas-water backwashing filter tank based on a gravity valveless filter tank structure, and belongs to the technical field of water purifying equipment. The filter tank comprises a filter tank and a water distribution pipe; the water distribution pipe is arranged at the upper middle part of the separation partition board, the lower end of the water distribution pipe is communicated with the filtering module, and the upper end of the water distribution pipe is in a vacant state and is positioned above the separation partition board; the back flush water inlet assembly, the primary filter water discharge assembly and the filter water outlet assembly are all communicated with the bottom of the filter cavity, and the back flush water inlet assembly and the primary filter water discharge assembly are all communicated with the drainage cavity through the cavity communication assembly; the water inlet assembly, the back flush water inlet assembly, the primary filter water discharge assembly, the filter water outlet assembly and the cavity communication assembly are all provided with control valves. The utility model not only can realize the square discharge of the primary filtered water, but also can realize the air-water back flushing function.
Description
Technical Field
The utility model belongs to the technical field of water purifying equipment, and particularly relates to a gas-water backwashing filter tank based on a gravity valveless filter tank structure.
Background
The gravity valveless filter structure (namely gravity valveless filter tank) is characterized in that the gravity of water is relied in the filtering process to automatically flow into the filter tank for filtering or backwashing, and the filter tank is provided with no valve, so that the principle is that raw water with a certain turbidity enters a filter material layer through a high-level water inlet distribution groove from a water inlet pipe through a baffle plate, and filtered water enters a water tank from a communication channel and purified water is discharged from a water outlet pipe.
As shown in the structural schematic diagram of the conventional valveless filter structure in FIG. 6, the valveless filter structure comprises a filter, a water distribution pipe, a filter layer, a connecting pipeline and the like, and when the valveless filter structure works, the valveless filter structure is backwashed only by the gravity of water, so that the backwashing effect of the valveless filter structure is poor, and therefore, the valveless filter structure needs to be improved.
Disclosure of utility model
The utility model aims to provide a gas-water backwashing filter based on a gravity valveless filter structure, which aims to solve the problems that the existing gravity valveless filter structure is poor in backwashing effect and a filter material layer is easy to harden and perforate.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
A gas-water back flushing filter based on a gravity valveless filter structure comprises a filter, a separation baffle and a water distribution pipe;
the lower end of the separation baffle and the lower end of the filter tank form a filter cavity, and the upper end of the separation baffle and the upper end of the filter tank form a back flushing water cavity;
the water distribution pipe is arranged in the middle of the separation partition board, the lower end of the water distribution pipe is communicated with the filter cavity, and the upper end of the water distribution pipe is in a vacant state and is positioned above the separation partition board;
The original water inlet assembly is communicated with the water distribution pipe, the clear water assembly is communicated with the clear water tank, the back flush water inlet assembly, the back flush air inlet assembly, the primary filter water discharge assembly and the filter water outlet assembly are all communicated with the bottom of the filter cavity, and the back flush water inlet assembly and the primary filter water discharge assembly are all communicated with the back flush water cavity through the cavity communication assembly;
The original water inlet assembly, the back flushing air inlet assembly, the primary filter water discharge assembly, the filter water outlet assembly and the cavity communication assembly are all provided with control valves.
In a preferred embodiment of the utility model, the clean water assembly comprises a clean water pipe communicated with the upper end of the backwash water cavity, the backwash water inlet assembly comprises a backwash water inlet pipe communicated with the bottom of the filter cavity, and a backwash water inlet valve is arranged on the backwash water inlet pipe.
In a preferred embodiment of the utility model, the filter outlet assembly comprises a drainage ditch and a backwash drain pipe, wherein the drainage ditch is arranged at the lower part of the other end of the filter, one end of the backwash drain pipe is communicated with the upper end of the filter cavity, and the other end of the backwash drain pipe extends to the lower end of the drainage ditch.
In a preferred embodiment of the present utility model, the cavity communication assembly includes a first communication pipe and a second communication pipe, one end of the first communication pipe is communicated with the backwash water cavity, and the other end is communicated with the backwash water inlet assembly; one end of the second communicating pipe is communicated with the back flushing water cavity, and the other end of the second communicating pipe is communicated with the primary filtered water discharging assembly; and the first communicating pipe and the second communicating pipe are both connected with communicating valves.
In a preferred embodiment of the present utility model, the primary filter drain assembly includes a primary filter drain pipe in communication with the bottom of the filter chamber, the primary filter drain pipe having a primary filter drain valve mounted thereon.
In a preferred embodiment of the utility model, the backwash air inlet assembly comprises a backwash air inlet pipe communicated with the bottom of the filter cavity, and a backwash air inlet pipe valve is arranged on the backwash air inlet pipe.
In a preferred embodiment of the utility model, the filter module comprises a filter plate arranged in the middle of the filter cavity, a sand filter layer is paved on the filter plate, and a plurality of air-water backwashing filter heads are arranged on the filter plate.
In a preferred embodiment of the utility model, the upper end of the filter cavity is also connected with a sand washing drainage groove.
In a preferred embodiment of the utility model, at least two filters are provided, and each filter is provided with an original water inlet assembly.
The beneficial effects of the utility model are as follows:
The application discloses a gas-water back flushing filter based on a gravity valveless filter structure, which comprises a filter, a water distribution pipe, an original water inlet component, a clear water component, a back flushing water inlet component, a filter water outlet component and a primary filter water discharge component, wherein the gas-water back flushing filter can realize the discharge of primary filter water and the gas-water back flushing function; meanwhile, the gravity valveless filter is changed into the air-water back flushing mode by means of gravity back flushing, so that the back flushing effect is better, and the water quality of the outlet water is better.
Drawings
FIG. 1 is a schematic diagram of a structure of a gas-water backwash filter based on a gravity valveless filter structure in a top view direction;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a cross-sectional view B-B of FIG. 1;
FIG. 4 is a cross-sectional view of C-C of FIG. 1;
FIG. 5 is a schematic view of the direction D of FIG. 1;
FIG. 6 is a schematic diagram of a conventional gravity valveless filter structure.
Reference numerals; 11. a filter tank; 12. a water distribution pipe; 13. a separation partition; 2. an original water inlet assembly; 21. feeding a water tank; 22. a first water inlet pipe; 23. a second water inlet pipe; 24. a water inlet electric valve; 3. a clear water component; 31. a clear water pipe; 4. back flushing the water inlet assembly; 41. back flushing the water inlet pipe; 42. backwashing water inlet valve; 5. a filter outlet assembly; 51. a drainage ditch; 52. back flushing the drain pipe; 53. back flushing the drain valve; 6. a filter chamber; 61. a filtration module; 62. back flushing the water cavity; 63. a filter plate; 64. a sand filter layer; 65. back flushing the filter head by air and water; 66. a sand washing drainage tank; 7. a cavity communication assembly; 71. a first communication pipe; 72. a second communicating pipe; 73. a communication valve; 8. a primary filtrate discharge assembly; 81. a primary filtered water discharge pipe; 82. a primary filtrate discharge valve; 9. back flushing the air inlet assembly; 91. back flushing the air inlet pipe; 92. and back flushing the air inlet valve.
Detailed Description
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the present utility model will be briefly described below with reference to the accompanying drawings and the description of the embodiments or the prior art, and it is obvious that the following description of the structure of the drawings is only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art. It should be noted that the description of these examples is for aiding in understanding the present utility model, but is not intended to limit the present utility model.
As shown in figure 1, the application provides a gas-water backwashing filter 11 based on a gravity valveless filter 11 structure, which comprises a filter 11, a water distribution pipe 12, a raw water inlet assembly 2, a clear water assembly 3, a backwashing water inlet assembly 4, a filter water outlet assembly 5, a backwashing air inlet assembly 9 and a primary filter water discharge assembly 8.
In actual operation, the clean water component is arranged at the upper end of the back flushing water cavity and enters the clean water tank through overflow, the water distribution pipe 12 can be a siphon pipe or a common steel pipe (preferably selected as a common steel pipe), the raw water inlet component 2 can be used as a raw water input end, the clean water component 3 can be used as a clean water discharge end, the back flushing water inlet component 4 can be used as a back flushing water input end, the filter tank water outlet component 5 can be used as a back flushing water discharge end, the back flushing air inlet component 9 can be used as a back flushing air inlet end, and the primary filtering water discharge component 8 can be used as a primary filtering water discharge end.
The filter tank 11 is internally provided with a separation baffle 13 which is in an inverted V-shaped structure on the whole, a filter cavity 6 is formed at the lower end of the separation baffle 13 and the lower end of the filter tank 11, a filter module 61 is arranged in the middle of the filter cavity 6, and a backwash water cavity 62 is formed at the upper end of the separation baffle 13 and the upper end of the filter tank 11. In this way, the application also realizes the arrangement of the filter tank 11, the filter cavity 6 can be used as a back flushing chamber, and the back flushing water cavity 62 can be used as a clear water discharge chamber.
The water distribution pipe 12 is installed in the middle of the separation partition 13, the lower end of the water distribution pipe 12 is communicated with the filtering module 61, and the upper end of the water distribution pipe 12 is in a vacant state and is located above the separation partition 13. Thus, the application realizes the arrangement of the water distribution pipe 12, and the water distribution pipe 12 can pour the water after the back flushing treatment in the filter cavity 6 into the back flushing water cavity 62.
The original water inlet assembly 2 is communicated with the water distribution pipe 12, the clear water assembly 3 is communicated with the upper end of the drainage module, the back flush water inlet assembly 4, the back flush air inlet assembly 9, the primary filter water discharge assembly 8 and the filter water outlet assembly 5 are all communicated with the bottom of the filter cavity 6, and the back flush water inlet assembly 4 and the primary filter water discharge assembly 8 are all communicated with the back flush water cavity 62 through the cavity communication assembly 7.
In actual operation, the back flushing water cavity 62 is located above the separation baffle 13, the space between the filter module 61 and the bottom of the filter tank 11 is a clear water area, and a water mixing area is formed between the filter module 61 and the separation baffle 13.
Control valves are arranged on the original water inlet assembly 2, the back flush water inlet assembly 4, the back flush air inlet assembly 9, the primary filter water discharge assembly 8, the filter water outlet assembly 5 and the cavity communication assembly 7.
In actual operation, the water inlet electric valve 24, the back flush water inlet valve 42, the back flush water discharge valve 53, the communication valve 73, the primary filter water discharge valve 82 and the back flush air inlet valve 92 can be collectively referred to as control valves, and the application can adjust the working state (opening or closing) of the control valves to complete the primary filter of sewage and the back flush function of air and water.
In actual operation, the application comprises a filter tank 11, a water distribution pipe 12, a raw water inlet assembly 2, a clear water assembly 3, a back flushing water inlet assembly 4, a filter tank water outlet assembly 5 and a primary filter water discharge assembly 8, which not only can realize the square discharge of primary filter water, but also can realize the back flushing function of air and water; meanwhile, the existing siphon pipe is replaced by the common water outlet pipe, so that the siphon pipe is not affected by easy failure of the siphon pipe.
The primary water inlet assembly 2 comprises an upper water tank 21, a first water inlet pipe 22 and a second water inlet pipe 23 which are arranged at the upper part of one end of the filter tank 11, one end of the upper water tank 21 is communicated with the first water inlet pipe 22, the other end of the upper water tank is communicated with the water distribution pipe 12 through the second water inlet pipe 23, and a water inlet electric valve 24 is arranged on the second water inlet pipe 23. Therefore, the application realizes the arrangement of the original water inlet assembly 2, and can well complete the function of conveying raw water to the filter tank 11 under the action of the original water inlet assembly 2.
The clean water assembly 3 comprises a clean water pipe 31 communicated with the upper end of the backwash water cavity 62, the backwash water inlet assembly 4 comprises a backwash water inlet pipe 41 communicated with the bottom of the filter cavity 6, and a backwash water inlet valve 42 is arranged on the backwash water inlet pipe 41. In this way, the application also realizes the arrangement of the clean water component 3, and the clean water component 3 can discharge the clean water in the back flushing water cavity 62 into the clean water tank.
The filter water outlet assembly 5 comprises a drainage ditch 51 and a back flushing drainage pipe 52, the drainage ditch 51 is arranged at the lower part of the other end of the filter 11, one end of the back flushing drainage pipe 52 is communicated with the upper end of the filter cavity 6, and the other end of the back flushing drainage pipe extends to the lower end of the drainage ditch 51.
The cavity communication assembly 7 comprises a first communication pipe 71 and a second communication pipe 72, one end of the first communication pipe 71 is communicated with the back flushing water cavity 62, and the other end is communicated with the back flushing water inlet assembly 4; one end of the second communicating pipe 72 is communicated with the back flushing water cavity 62, and the other end is communicated with the primary filtered water discharging assembly 8; the first communication pipe 71 and the second communication pipe 72 are connected with a communication valve 73.
The primary filter drain assembly 8 includes a primary filter drain pipe 81 in communication with the bottom of the filter chamber 6, and a primary filter drain valve 82 is mounted on the primary filter drain pipe 81.
The back flush air inlet assembly 9 comprises a back flush air inlet pipe 91 communicated with the bottom of the filter cavity 6, and a back flush air inlet pipe 91 valve is arranged on the back flush air inlet pipe 91.
The filter module 61 comprises a filter plate 63 arranged in the middle of the filter cavity 6, a sand filter layer 64 is paved on the filter plate 63, and a plurality of air-water backwashing filter heads 65 are arranged on the filter plate 63.
The upper end of the filter cavity 6 is also connected with a sand washing drainage tank 66.
At least two filters 11 are arranged, and each filter 11 is provided with an original water inlet assembly 2.
In actual operation, the working principle of the application is as follows:
When the preliminary filtration is required, the water inlet electric valve 24, the preliminary filtration water discharge valve 82 and the two communication valves 73 are opened, the back flush water inlet valve 42, the back flush air inlet valve 92 and the back flush water discharge valve 53 are closed, and the preliminary filtration water discharge valve 82 is closed at a preset time interval (for example, after 1 minute), at this time, the present application realizes the preliminary filtration water discharge function.
When the air-water back flushing is needed, the water inlet electric valve 24, the primary filter water discharge valve 82 and the two communication valves 73 are closed first, the back flushing air inlet valve 92 and the back flushing drain valve 53 are opened, and at this time, the application realizes the air flushing independently; then (after 2 minutes) the back flush water inlet valve 42 is opened again, at this time, the application realizes gas-water mixed flushing; then at preset time intervals (after 3 minutes) the backwash inlet valve 92 is closed and after 3 minutes the backwash inlet valve 42 and backwash outlet valve 53 are closed, at which point the application achieves water flushing separately; finally, under the combined action of the air flushing, the air-water mixed flushing and the water flushing, the back flushing effect of the application is better.
Finally, it should be noted that: the foregoing description is only of the preferred embodiments of the utility model and is not intended to limit the scope of the utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (9)
1. A gas-water back flushing filter based on a gravity valveless filter structure comprises a filter, a separation baffle and a water distribution pipe;
the lower end of the separation baffle and the lower end of the filter tank form a filter cavity, and the upper end of the separation baffle and the upper end of the filter tank form a back flushing water cavity;
the water distribution pipe is arranged in the middle of the separation partition board, the lower end of the water distribution pipe is communicated with the filter cavity, and the upper end of the water distribution pipe is in a vacant state and is positioned above the separation partition board;
The method is characterized in that:
The original water inlet assembly is communicated with the water distribution pipe, the clear water assembly is communicated with the clear water tank, the back flush water inlet assembly, the back flush air inlet assembly, the primary filter water discharge assembly and the filter water outlet assembly are all communicated with the bottom of the filter cavity, and the back flush water inlet assembly and the primary filter water discharge assembly are all communicated with the back flush water cavity through the cavity communication assembly;
The original water inlet assembly, the back flushing air inlet assembly, the primary filter water discharge assembly, the filter water outlet assembly and the cavity communication assembly are all provided with control valves.
2. The gravity valveless filter structure-based air-water backwash filter of claim 1, wherein: the original water inlet assembly comprises a water feeding tank, a first water inlet pipe and a second water inlet pipe, wherein the water feeding tank, the first water inlet pipe and the second water inlet pipe are arranged on the upper portion of one end of the filter tank, one end of the water feeding tank is communicated with the first water inlet pipe, the other end of the water feeding tank is communicated with the water distribution pipe through the second water inlet pipe, and a water inlet electric valve is arranged on the second water inlet pipe.
3. The gravity valveless filter structure-based air-water backwash filter of claim 1, wherein: the clean water assembly comprises a clean water pipe communicated with the upper end of the backwash water cavity, the backwash water inlet assembly comprises a backwash water inlet pipe communicated with the bottom of the filter cavity, and a backwash water inlet valve is arranged on the backwash water inlet pipe.
4. The gravity valveless filter structure-based air-water backwash filter of claim 1, wherein: the filter tank water outlet assembly comprises a drainage ditch and a back flushing drainage pipe, wherein the drainage ditch is arranged at the lower part of the other end of the filter tank, one end of the back flushing drainage pipe is communicated with the upper end of the filter cavity, and the other end of the back flushing drainage pipe extends to the lower end of the drainage ditch.
5. The gravity valveless filter structure-based air-water backwash filter of claim 1, wherein: the cavity communication assembly comprises a first communication pipe and a second communication pipe, one end of the first communication pipe is communicated with the back flushing water cavity, and the other end of the first communication pipe is communicated with the back flushing water inlet assembly; one end of the second communicating pipe is communicated with the back flushing water cavity, and the other end of the second communicating pipe is communicated with the primary filtered water discharging assembly; and the first communicating pipe and the second communicating pipe are both connected with communicating valves.
6. The gravity valveless filter structure-based air-water backwash filter of claim 1, wherein: the primary filter water discharge assembly comprises a primary filter water discharge pipe communicated with the bottom of the filter cavity, and a primary filter water discharge valve is arranged on the primary filter water discharge pipe.
7. The gravity valveless filter structure-based air-water backwash filter of claim 1, wherein: the back flush air inlet assembly comprises a back flush air inlet pipe communicated with the bottom of the filter cavity, and a back flush air inlet pipe valve is arranged on the back flush air inlet pipe.
8. The gravity valveless filter structure-based air-water backwash filter of claim 1, wherein: the upper end of the filter cavity is also connected with a sand washing drainage tank.
9. The gravity valveless filter structure-based air-water backwash filter of claim 1, wherein: at least two filters are arranged, and each filter is provided with an original water inlet component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322081988.6U CN220824506U (en) | 2023-08-03 | 2023-08-03 | Air-water back flushing filter tank based on gravity valveless filter tank structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322081988.6U CN220824506U (en) | 2023-08-03 | 2023-08-03 | Air-water back flushing filter tank based on gravity valveless filter tank structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220824506U true CN220824506U (en) | 2024-04-23 |
Family
ID=90724235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322081988.6U Active CN220824506U (en) | 2023-08-03 | 2023-08-03 | Air-water back flushing filter tank based on gravity valveless filter tank structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220824506U (en) |
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2023
- 2023-08-03 CN CN202322081988.6U patent/CN220824506U/en active Active
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