CN210521876U - Rotational flow sand filter - Google Patents
Rotational flow sand filter Download PDFInfo
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- CN210521876U CN210521876U CN201921111768.0U CN201921111768U CN210521876U CN 210521876 U CN210521876 U CN 210521876U CN 201921111768 U CN201921111768 U CN 201921111768U CN 210521876 U CN210521876 U CN 210521876U
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Abstract
The utility model provides a whirl sand filter, including the jar body that is used for the splendid attire filter sand and the water pump that is used for into liquid, jar body coupling has the whirl inlet tube that is used for the whirl to intake, the top of jar body is connected with the blow off pipe, be equipped with the blowdown control valve on the play water end of blow off pipe, jar internal water purification pipe that has still run through, the end of intaking of water purification pipe is equipped with water purification pipe water intaking valve, water purification pipe water outlet is equipped with water purification pipe outlet valve, be equipped with a plurality of connector on the water purification pipe, be equipped with in the connector and be used for carrying out filterable filter body when jar internal rivers enter. Compared with the prior art, the cyclone sand filter utilizes compact pores in contact between filter sands to intercept particle impurities in sewage and introduces the cyclone separation principle into the operation of the sand filter, each filter sand can be efficiently and thoroughly cleaned without hardening the filter, the filter sand does not need to be replaced or manually cleaned, the water consumption for backwashing is low, and the whole structure is compact, simple and reliable.
Description
Technical Field
The utility model relates to a water treatment technical field specifically is a whirl sand filter.
Background
In recent years, as domestic water pollution is increasingly serious, governments set stricter sewage discharge and reuse standards, and a plurality of sewage treatment plants are subjected to upgrading and modification. At present, in the technical field of water treatment, filtration is widely applied, a quartz sand filter is a filtering device widely applied in water treatment, and the quartz sand filter is an efficient filtering device which utilizes quartz sand as a filtering medium, filters water with high turbidity through granular or non-granular quartz sand with a certain thickness under a certain pressure, effectively intercepts and removes suspended matters, organic matters, colloidal particles, microorganisms and the like in the water, and finally achieves the effects of reducing the water turbidity and purifying the water quality.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a whirl sand filter can filter the sewage intaking, can be to filtering the automatic backwash of grit again, and is simple and convenient to the cleaning efficiency is high.
The utility model adopts the technical proposal that:
a rotational flow sand filter is characterized by comprising a tank body for containing filter sand and a water pump for feeding liquid, wherein the tank body is connected with a rotational flow water inlet pipe for rotational flow water feeding, the top of the tank body is connected with a blow-off pipe, the water outlet end of the blow-off pipe is provided with a blow-off control valve, a clean water pipe penetrates through the tank body, the water inlet end of the clean water pipe is provided with a clean water pipe water inlet valve, the water outlet end of the clean water pipe is provided with a clean water pipe water outlet valve, the clean water pipe is provided with a plurality of connecting ports, a filter body for filtering when water flow in the tank body enters the clean water pipe is arranged in each connecting port, the bottom of the tank body is provided with a sand discharge pipe for discharging the filter sand in the; the water inlet end of the water pump is communicated with the backwashing inlet and the filtering water inlet simultaneously through a pipeline, the backwashing inlet is provided with a backwashing control valve, the filtering water inlet is provided with a filtering control valve, the water outlet end of the water pump is provided with a check valve, the water outlet end of the water pump is also communicated with the water inlet end of the rotational flow water inlet pipe and the water inlet end of the water purification pipe respectively through pipelines, and the water inlet end of the water inlet pipe is also communicated with the outlet end of the sand discharge pipe.
Preferably, a jet pipe for mixing the filter sand with water flow and then feeding the mixture into the rotational flow water inlet pipe is arranged at the communicated and intersected position of the sand discharge pipe and the rotational flow water inlet pipe.
Preferably, the water outlet end of the rotational flow water inlet pipe is communicated with the inside of the tank body along the tangential direction of the tank body.
Preferably, the water inlet end of the sewage discharge pipe is positioned in the tank body, and the water inlet end of the sewage discharge pipe is lower than the water outlet end of the rotational flow water inlet pipe in the height direction.
Preferably, a branch pipe is connected to the connection port of each purified water pipe, and a filter body is arranged at the port of the branch pipe.
Preferably, a viewing mirror port for observing the flowing condition of the filter sand is arranged on a pipeline for communicating the water outlet end of the water pump with the rotational flow water inlet pipe.
Preferably, the blowdown control valve, the water inlet valve of the water purification pipe, the water outlet valve of the water purification pipe, the sand discharge control valve, the back flush control valve and the filtering control valve are all electric valves.
More preferably, the electrically operated valve is an electrically operated butterfly valve.
Preferably, the blowdown control valve, the clean water pipe inlet valve, the clean water pipe outlet valve, the sand discharge control valve, the backwashing control valve, the filtering control valve and the water pump are all connected with a controller.
Preferably, the tank and the water pump are both mounted on the base.
Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model provides a whirl sand filter utilizes the fine and close hole interception granule impurity in the sewage of contact between the filter sand and introduces the operation of sand filter with the whirl separation principle, and each filter sand all can be carried out high-efficient, thorough washing and can not harden at the filter, does not need to change or the manual cleaning filter sand, and the required water consumption of backwash is few, and overall structure is compact, and is simple reliable.
Drawings
Fig. 1 is a first schematic view of a cyclone sand filter provided by the present invention;
fig. 2 is a second schematic view of a cyclone sand filter provided by the present invention;
fig. 3 is a top view of a cyclone sand filter provided by the present invention;
fig. 5 is a front view of a cyclone sand filter provided by the present invention;
FIG. 4 is a cross-sectional view A-A of a spiral-flow sand filter according to the present invention;
FIG. 6 is a cross-sectional view B-B of a spiral-flow sand filter according to the present invention;
FIG. 7 is a cross-sectional view C-C of a rotational flow sand filter according to the present invention;
FIG. 8 is a cross-sectional view D-D of a rotational flow sand filter according to the present invention;
fig. 9 is a schematic diagram of a cyclone sand filter according to the present invention;
fig. 10 is a schematic view illustrating a flow of water in a filtering state of a cyclone sand filter according to the present invention;
fig. 11 is a schematic view of the flow of water in the back-washing state of the swirling sand filter provided by the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 to 8 illustrate a preferred embodiment of a cyclone sand filter according to the present invention. As shown in fig. 1 to 8, the rotational flow sand filter comprises a tank body 10 for containing filter sand 100 and a water pump 20 for feeding liquid, wherein the tank body 10 and the water pump 20 are both mounted on a base 60, the tank body 10 is connected with a rotational flow water inlet pipe 11 for rotational flow water feeding, the top of the tank body is connected with a sewage discharge pipe 12, a sewage discharge control valve 121 is arranged at the water outlet end of the sewage discharge pipe 12, a water purification pipe 13 penetrates through the tank body, a water inlet valve 131 of the water purification pipe is arranged at the water inlet end of the water purification pipe 13, a water outlet valve 132 of the water purification pipe is arranged at the water outlet end of the water purification pipe, a plurality of connecting ports 133 are arranged on the water purification pipe, a filter 134 for filtering when water in the tank body flows into the water purification pipe is arranged in the connecting port 133, a sand discharge pipe 14 for discharging filter sand in the tank body is; the water inlet end of the water pump 20 is simultaneously communicated with the backwashing inlet 30 and the filtering water inlet 40 through a pipeline, the backwashing inlet 30 is provided with a backwashing control valve 31, the filtering water inlet 40 is provided with a filtering control valve 41, the water outlet end of the water pump 20 is provided with a check valve 21, the water outlet end of the water pump is also respectively communicated with the water inlet end of the rotational flow water inlet pipe 11 and the water inlet end of the purified water pipe through a pipeline, the water inlet end of the rotational flow water inlet pipe is also communicated with the outlet end of the sand discharge pipe, so that water discharged from the water outlet end of the water pump 20 can enter the purified water pipe, and filter sand discharged from the sand.
The tank body 10 comprises an upper tank body 101 and a lower tank body 102, the upper tank body 101 and the lower tank body 102 are in sealed butt joint, a water inlet pipe 11 is arranged on the upper tank body 101, a sewage discharge pipe 12 is arranged at the top of the upper tank body 101, the water inlet end of the sewage discharge pipe 12 extends into the upper tank body 101, and a sewage discharge control valve 121 is arranged at the water outlet end of the sewage discharge pipe 12; a water purifying pipe 13 transversely penetrates through the lower tank 112, the water inlet end and the water outlet end of the water purifying pipe 13 are arranged outside the lower tank 102 and are respectively provided with a water purifying pipe inlet valve 131 and a water purifying pipe outlet valve 132, the bottom of the lower tank 102 is connected with a sand discharge pipe 14, and the outlet end of the sand discharge pipe 14 is provided with a sand discharge control valve 141. In a preferred embodiment, the water outlet end of the water inlet pipe 11 is communicated with the inside of the tank body along the tangential direction of the tank body, so that when water and filter sand flowing out of the water outlet end of the water inlet pipe 11 enter the tank body in a swirling manner, the filter sand is separated from impurities by using the principle of swirling separation.
As shown in fig. 5 and 8, a jet pipe 142 for mixing the filtered sand with the water flow and then entering the water inlet pipe 11 is disposed at the communication intersection of the sand discharge pipe 14 and the water inlet pipe 11, and the jet pipe 142 functions to enable backwash water to suck and mix the filtered sand with impurities adhered to the inside of the tank body into the rotational flow water inlet pipe 11 by using the jet principle, so that when water discharged from the water outlet end of the water pump 20 enters the rotational flow water inlet pipe, the jet pipe 142 can mix the filtered sand with the water flow, and then the mixed water sand flows into the water inlet pipe 11 and then enters the tank body 10.
The water inlet end of the sewage discharge pipe 12 is positioned in the tank body 10, and the water inlet end of the sewage discharge pipe is lower than the water outlet end of the rotational flow water inlet pipe 11 in the height direction, so that sewage discharged from the sewage discharge pipe 12 is impurities encouraged by filtering sand.
As shown in fig. 7, a branch pipe 135 is connected to the connection port 133 of each purified water pipe 13, and a filter 134 is provided at the end of the branch pipe 135, so that the purified water after filtration passes through the filter 134, enters the branch pipe 135, and then enters the purified water pipe 13 to flow out. The filter body 134 is preferably a filter cap.
The pipeline of the water outlet end of the water pump communicated with the rotational flow water inlet pipe 11 is provided with a viewing mirror port 111 for observing the flowing condition of the filter sand, so that when water flow and the filter sand enter the rotational flow water inlet pipe 11, the flowing condition of the filter sand is observed from the viewing mirror port 111.
The blowdown control valve 121, the clean water pipe inlet valve 131, the clean water pipe outlet valve 132, the sand discharge control valve 141, the backwash control valve 31 and the filtration control valve 41 are all electrically operated valves, preferably electrically operated butterfly valves.
The blowdown control valve 121, the water purification pipe inlet valve 131, the water purification pipe outlet valve 132, the sand discharge control valve 141, the back flush control valve 31, the filtering control valve 41 and the water pump are all connected with a controller, and the controller controls the electric valves and the water pump to be opened or closed. As an implementation mode, a control box 50 is further arranged on the side wall of the tank body 10, a controller is arranged in the control box 50, the controller can be a PLC or a single chip microcomputer, and the water pump and the electric valve are controlled by the PLC or the single chip microcomputer in the control box.
As shown in FIG. 9, a detection point P1 is provided at the water inlet end of the swirl water inlet pipe 11 of the tank 10, and a detection point P2 is provided at the water outlet end of the purified water pipe 13. As shown in fig. 10 and 11, the specific process of the cyclone sand filter is as follows: 1) an initialization state: closing the blowdown control valve 121, the water inlet valve 131 of the water purification pipe, the sand discharge control valve 141 and the back flush control valve 31, opening the water outlet valve 132 of the water purification pipe and the filtering control valve 41, and operating the water pump 20 after detecting that the valves are in place; 2) and (3) filtering state: as shown in fig. 10, after initialization, the system directly enters a filtering state, the pressure difference between the two points P1 and P2 is detected, when the pressure difference between the two points is less than a set value, the filtering state is maintained, and when the pressure difference between the two points is more than or equal to the set value, the backwashing state is switched; 3) back washing state: as shown in fig. 11, the blowdown control valve 121, the purified water pipe inlet valve 131, the sand discharge control valve 141 and the back flush control valve 31 are opened, the purified water pipe outlet valve 132 and the filtering control valve 41 are closed, after the valves are detected to be in place and are kept running for a set time, the pressure difference between the two points P1 and P2 is detected, and when the pressure difference between the two points is greater than or equal to a set value, the back flush state is continued; when the pressure difference between the two points is less than the set value, the filtration state is switched.
To sum up, the technical scheme of the utility model can be fully effectual the above-mentioned utility model purpose of realization, just the utility model discloses a structure and functional principle all obtain abundant verification in the embodiment, can reach anticipated efficiency and purpose, do not deviating from the utility model discloses a under the prerequisite of principle and essence, can make multiple change or modification to the embodiment of utility model. Therefore, the present invention includes all the alternative contents within the scope mentioned in the claims, and all the equivalent changes made within the claims of the present invention are included in the claims of the present application.
Claims (10)
1. A rotational flow sand filter is characterized by comprising a tank body for containing filter sand and a water pump for feeding liquid, wherein the tank body is connected with a rotational flow water inlet pipe for rotational flow water feeding, the top of the tank body is connected with a blow-off pipe, the water outlet end of the blow-off pipe is provided with a blow-off control valve, a clean water pipe penetrates through the tank body, the water inlet end of the clean water pipe is provided with a clean water pipe water inlet valve, the water outlet end of the clean water pipe is provided with a clean water pipe water outlet valve, the clean water pipe is provided with a plurality of connecting ports, a filter body for filtering when water flow in the tank body enters the clean water pipe is arranged in each connecting port, the bottom of the tank body is provided with a sand discharge pipe for discharging the filter sand in the; the water inlet end of the water pump is communicated with the backwashing inlet and the filtering water inlet simultaneously through a pipeline, the backwashing inlet is provided with a backwashing control valve, the filtering water inlet is provided with a filtering control valve, the water outlet end of the water pump is provided with a check valve, the water outlet end of the water pump is also communicated with the water inlet end of the rotational flow water inlet pipe and the water inlet end of the water purification pipe respectively through pipelines, and the water inlet end of the water inlet pipe is also communicated with the outlet end of the sand discharge pipe.
2. The rotational flow sand filter of claim 1, wherein: and a jet pipe for mixing filter sand and water flow and then feeding the mixture into the rotational flow water inlet pipe is arranged at the communicated and intersected position of the sand discharge pipe and the rotational flow water inlet pipe.
3. The rotational flow sand filter of claim 1, wherein: the water outlet end of the rotational flow water inlet pipe is communicated with the interior of the tank body along the tangential direction of the tank body.
4. The rotational flow sand filter of claim 1, wherein: the water inlet end of the sewage discharge pipe is positioned in the tank body, and the water inlet end of the sewage discharge pipe is lower than the water outlet end of the rotational flow water inlet pipe in the height direction.
5. The rotational flow sand filter of claim 1, wherein: the connecting port of each water purifying pipe is connected with a branch pipe, and the port of each branch pipe is provided with a filter body.
6. The rotational flow sand filter of claim 1, wherein: and a viewing mirror port for observing the flowing condition of the filter sand is arranged on a pipeline for communicating the water outlet end of the water pump with the rotational flow water inlet pipe.
7. The rotational flow sand filter of claim 1, wherein: the blowdown control valve, the water inlet valve of the water purification pipe, the water outlet valve of the water purification pipe, the sand discharge control valve, the backwashing control valve and the filtering control valve are all electric valves.
8. The rotational flow sand filter of claim 7, wherein: the electric valve is an electric butterfly valve.
9. The rotational flow sand filter of claim 1, wherein: the sewage discharge control valve, the water inlet valve of the water purification pipe, the water outlet valve of the water purification pipe, the sand discharge control valve, the back washing control valve, the filtering control valve and the water pump are all connected with a controller.
10. The rotational flow sand filter of claim 1, wherein: the tank body and the water pump are both arranged on the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921111768.0U CN210521876U (en) | 2019-07-16 | 2019-07-16 | Rotational flow sand filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921111768.0U CN210521876U (en) | 2019-07-16 | 2019-07-16 | Rotational flow sand filter |
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| Publication Number | Publication Date |
|---|---|
| CN210521876U true CN210521876U (en) | 2020-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921111768.0U Active CN210521876U (en) | 2019-07-16 | 2019-07-16 | Rotational flow sand filter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114797196A (en) * | 2022-05-18 | 2022-07-29 | 中国农业科学院农田灌溉研究所 | Automatic dirt-absorbing micro-irrigation sand-stone filter |
-
2019
- 2019-07-16 CN CN201921111768.0U patent/CN210521876U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114797196A (en) * | 2022-05-18 | 2022-07-29 | 中国农业科学院农田灌溉研究所 | Automatic dirt-absorbing micro-irrigation sand-stone filter |
| CN114797196B (en) * | 2022-05-18 | 2023-11-28 | 中国农业科学院农田灌溉研究所 | Automatic dirt-sucking micro-irrigation sand filter |
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