CN220276409U - Anti-blocking filtering device suitable for rainwater is collected - Google Patents
Anti-blocking filtering device suitable for rainwater is collected Download PDFInfo
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- CN220276409U CN220276409U CN202321364107.5U CN202321364107U CN220276409U CN 220276409 U CN220276409 U CN 220276409U CN 202321364107 U CN202321364107 U CN 202321364107U CN 220276409 U CN220276409 U CN 220276409U
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- 238000001914 filtration Methods 0.000 title claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 203
- 238000011010 flushing procedure Methods 0.000 claims abstract description 18
- 239000012535 impurity Substances 0.000 claims description 18
- 238000001514 detection method Methods 0.000 claims description 13
- 239000002893 slag Substances 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 6
- 238000007664 blowing Methods 0.000 claims description 2
- 239000004744 fabric Substances 0.000 abstract description 32
- 239000007787 solid Substances 0.000 abstract description 22
- 230000000694 effects Effects 0.000 abstract description 15
- 239000013049 sediment Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 230000001172 regenerating effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
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- Filtration Of Liquid (AREA)
Abstract
The utility model relates to a prevent stifled filter equipment suitable for rainwater is collected relates to rainwater collection device's field, it includes the inlet channel, outlet channel and candle formula filter, be provided with blowback subassembly on the candle formula filter, candle formula filter's bottom intercommunication is provided with the sediment pipeline, be provided with first water pressure sensor on the inlet channel, be provided with second water pressure sensor on the outlet channel, first water pressure sensor and second water pressure sensor's signal output part signal connection singlechip, be provided with first valve on the inlet channel, be equipped with the second valve on the outlet channel, be equipped with the third valve on the sediment pipeline, singlechip's signal output part and first valve, the second valve, the third valve, blowback subassembly signal connection, when differential pressure value exceeds the setting value between inlet water pressure and the outlet water pressure, first valve and second valve are closed, and control third valve is opened, control blowback subassembly shakes solid matter on the filter cloth. The application has the effect of realizing automatic flushing of the filter element.
Description
Technical Field
The application relates to the field of rainwater collection devices, in particular to an anti-blocking filtering device suitable for rainwater collection.
Background
Water, a source of life, is an extremely precious resource. The rapid increase of water consumption for landscape water, road washing, greening, car washing and the like in cities makes water resources appear to be more scarce. Meanwhile, more bottom surfaces are covered by various buildings and roads, so that rainwater cannot infiltrate into the ground, and the pressure of the urban drainage system is increased.
One way to solve the above problems is to collect and reuse the water falling into the city. The rainwater is collected and treated and then provided for water for urban landscapes, road flushing, greening, toilet flushing, car washing and the like, so that on one hand, the shortage of water resources is relieved, and on the other hand, the rainwater can be stored through the rainwater collecting module, so that the pressure of an urban drainage system is reduced, and the occurrence of urban waterlogging is reduced. And collecting and utilizing rainwater. The collection and reuse of rainwater necessitates the necessary filtration and purification of the rainwater.
In the prior art, the filtering mechanism of the rainwater collector mainly comprises a pipeline filter. The rainwater collector mainly comprises a bearing box, a water conveying pipeline is communicated with the bearing box, the water outlet end of the water conveying pipeline is communicated with the water storage tank, and a pipeline filter is arranged on the water conveying pipeline and filters out solid matters in water flowing into the water storage tank through the water conveying pipeline.
The pipeline filter is connected with the two pipelines through the threaded connection, the filter element is detachably and fixedly arranged in the pipeline filter, water in the water pipeline can flow through the pipeline filter, impurities in the water body are attached to the filter element after being filtered, and the impurities in the water body can be prevented from being accumulated and blocked in the pipeline.
However, the inventor found that as the service time increases, more impurities adhere to the filter element of the pipeline filter, and the filter element needs to be detached and cleaned (or replaced), and as the pipeline filter is connected with the pipelines at the two ends through threaded connection, the filter element needs to be detached or installed by means of tools such as a spanner, which is time-consuming and labor-consuming, and has an improvement.
Disclosure of Invention
In order to achieve the effect of automatically flushing the filter element, time and force of costs for replacing the filter element by operators are saved, and the anti-blocking filter device suitable for rainwater collection is provided.
The application provides a prevent stifled filter equipment that prevents suitable for rainwater is collected adopts following technical scheme:
an anti-blocking filtering device suitable for rainwater collection comprises a water inlet pipeline, a water outlet pipeline and a candle filter, wherein the water inlet end of the candle filter is communicated with the water inlet pipeline, and the water outlet end of a filter element in the candle filter is communicated with the water outlet pipeline;
the candle filter comprises a back-blowing component for flushing the filter element and a slag discharge pipeline for discharging impurities; and:
the detection module is used for detecting the water flow pressure in the water inlet pipeline and outputting a first water pressure signal, and detecting the water flow pressure in the water outlet pipeline and outputting a second water pressure signal;
the signal processing module is in signal connection with the detection module and is used for receiving and comparing the first water pressure signal and the second water pressure signal, and outputting a control signal when the difference value between the first water pressure value and the second water pressure value exceeds a set value;
the novel filter is characterized in that a first valve is arranged on the water inlet pipeline, a second valve is arranged on the water outlet pipeline, a third valve is arranged on the slag discharge pipeline, the first valve, the second valve, the third valve and the blowback component are connected with the signal processing module through signals, the first valve and the second valve receive the control signals and are closed at the same time, the third valve receives the control signals and is opened, and the blowback component receives the control signals and washes the filter element.
Through adopting above-mentioned technical scheme, normal water delivery in-process, first valve and second valve all are in normally open state, and rivers can flow into in the candle filter through the inlet channel to through the outlet conduit flow direction water terminal after the filter core filters, the in-process of water through the filter core, the solid impurity that the water carried adheres to and stops on the surface of filter cloth on the filter core, outlet conduit is difficult for blockking up because of the solid impurity that the water carried. In the flowing process of water flow, the detection module detects a first water pressure value of the water inlet pipeline and a second water pressure value of the water outlet pipeline, the comparison is carried out through the signal processing module, and through increasing the amount of solid impurities attached to the filter cloth, the water permeability of the filter cloth is reduced, the water pressure of the flowing water body in the water outlet pipeline is reduced, when the solid impurities attached to the filter cloth reach the cleaning thickness, the maximum differential pressure value between the water inlet water pressure and the water outlet water pressure is corresponding, when the difference value between the first water pressure value and the second water pressure value exceeds the maximum differential pressure value, the degree that the solid impurities attached to the filter cloth reach the required flushing can be judged, at the moment, the first valve and the second valve are closed, the third valve is opened, the blowback assembly is started, solid substances on the filter cloth are backwashed, and the residual water body in the candle filter is discharged through the slag discharging pipeline together, the technical effects of automatically flushing the filter cloth and regenerating the filter cloth can be achieved, the operation of manually dismantling and flushing the filter core and the like by operators is avoided, and the automation degree of the filtering of the pipeline is improved.
Preferably, the detection module includes:
the first water pressure sensor is arranged on the water inlet pipeline and is used for detecting the water flow pressure in the water inlet pipeline and outputting a first water pressure signal;
the second water pressure sensor is arranged on the water outlet pipeline and is used for detecting the water flow pressure in the water outlet pipeline and outputting a second water pressure signal.
By adopting the technical scheme, the technical effects of detecting the water pressure in the water inlet pipeline and the water pressure in the water outlet pipeline can be realized through the first water pressure sensor and the second water pressure sensor.
Preferably, the signal processing module comprises a single chip microcomputer, a signal input end of the single chip microcomputer is connected with the first water pressure sensor and the second water pressure sensor in a signal mode, the single chip microcomputer receives the first water pressure signal and the second water pressure signal and compares a difference value between a first water pressure value and a second water pressure value with a set value, and when the difference value between the first pressure value and the second pressure value exceeds the set value, the single chip microcomputer outputs the control signal.
Through adopting above-mentioned technical scheme, through the singlechip, accessible lower cost is compared first water pressure value and second water pressure value fast and is obtained the differential pressure value to when the differential pressure value surpasses the setting value, output control signal fast, accurately, realize good control effect.
Preferably, the blowback assembly comprises an air source tank and an air pipeline, wherein an air inlet end of the air pipeline is communicated with the air source tank, an air outlet end of the air pipeline is communicated with the water outlet pipeline, and the air outlet end of the air pipeline is positioned between the second valve and the filter element;
the gas pipeline is provided with a blowback valve, the signal input end of the blowback valve is connected with the signal output end of the singlechip in a signal way, and the blowback valve receives the control signal and is opened.
Through adopting above-mentioned technical scheme, through mutual overlap and use between singlechip, air source jar, gas-supply pipeline and the blowback valve, when differential pressure value exceeds set value (maximum differential pressure value) between inlet channel and the outlet pipeline, the blowback valve is opened, in the high-pressure gas gets into the filter core through the gas-supply pipeline in the air source jar for the filter cloth is towards the direction of keeping away from the filter core surface bulge, and shakes down the solid matter that adheres to on the filter cloth, realizes the technical effect of automatic washing, regeneration filter cloth.
Preferably, the candle filter comprises a tank body, and the bottom of the tank body is arranged in a funnel shape.
Through adopting above-mentioned technical scheme, because the bottom of the jar body is the infundibulate setting for the bottom inside wall of the jar body is the slope form setting, is favorable to guiding the inside solid matter of jar body and water to get into in the sediment pipeline, and discharges through the sediment pipeline, reduces the solid impurity and adheres to the condition emergence of stopping in the internal portion of jar.
To sum up, the application includes following at least one prevent stifled filter equipment beneficial technical effect that is applicable to rainwater collection:
1. through the mutual overlapping and use among the air source tank, the air transmission pipeline, the blowback valve, the first water pressure sensor, the second water pressure sensor, the first valve of singlechip, the third valve, the deslagging pipeline and the candle filter, when the differential pressure value between the detected water inlet pressure and the detected water outlet pressure exceeds a set value, the excessive solid matter attached to the filter cloth can be judged, the operation of flushing the filter cloth needs to be executed, at the moment, the first valve and the second valve are closed, the third valve and the blowback valve are opened, the high-pressure air in the air source tank enters the filter element, so that the filter cloth on the filter element bulges, the solid impurities attached to the filter cloth shake in the residual water body in the candle filter and are discharged to the outside through the deslagging pipeline, the technical effects of automatically flushing and regenerating the filter cloth are realized, the filter cloth is prevented from being manually cleaned by operators, and the like, and the filter is provided with good anti-blocking effect;
2. because the tank body bottom of the candle filter is in a funnel-shaped arrangement, a guiding effect can be formed on the water body and the solid impurities, and the situation that the solid impurities are attached to and stay in the tank body is reduced.
Drawings
Fig. 1 is a schematic diagram mainly used for showing an overall structure of an anti-blocking mechanism according to an embodiment of the present application.
Fig. 2 is a schematic diagram mainly used for illustrating internal signal transmission of the anti-blocking mechanism according to the embodiment of the present application.
Reference numerals illustrate: 1. a water inlet pipe; 11. a first valve; 2. a water outlet pipe; 21. a second valve; 3. a candle filter; 31. a filter element; 32. a filter cloth; 33. a tank body; 4. a detection module; 41. a first water pressure sensor; 42. a second water pressure sensor; 5. a slag discharge pipeline; 51. a third valve; 6. a blowback assembly; 61. a blowback valve; 62. a gas source tank; 63. and a gas pipeline.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-2.
The embodiment of the application discloses prevent stifled filter equipment suitable for rainwater is collected. Referring to fig. 1, the anti-blocking mechanism mainly includes a water inlet pipe 1, a water outlet pipe 2, and a candle filter 3.
Wherein candle filter 3 comprises canister 33, cartridge 31, and blowback assembly 6. The water inlet of the tank body 33 is communicated with the water inlet pipeline 1, and the water inlet pipeline 1 is provided with a first valve 11 for controlling water inlet on-off.
The blowback subassembly 6 mainly includes gas piping 63 and air supply tank 62, and the inlet end and the air supply tank 62 of gas piping 63 communicate, and the end of giving vent to anger of gas piping 63 is linked together with outlet pipe 2, and is provided with blowback valve 61 on the gas piping 63.
Referring to fig. 1, a filter element 31 is fixedly installed in a tank 33, a water inlet end of a water outlet pipe 2 extends into the filter element 31, and a water outlet end of the water outlet pipe 2 is communicated with a water terminal. The bottom of the tank 33 is approximately in a funnel shape, a slag discharging pipeline 5 is arranged at the end part of the funnel in a communicated manner, the liquid outlet end of the slag discharging pipeline 5 is communicated with the outside (or a container for storing filter residues), and the air outlet end of the air conveying pipeline 63 is positioned between the third valve 51 and the tank 33.
Because the bottom of the tank body 33 is in a funnel-shaped arrangement, the inner side wall of the bottom of the tank body 33 is in an inclined arrangement, so that solid matters and water in the tank body 33 can be guided into the slag discharge pipeline 5, and are discharged through the slag discharge pipeline 5, and the condition that solid impurities are attached and stay in the tank body 33 is reduced.
The water inlet pipeline 1 is provided with a first valve 11 for controlling water inlet on-off, the water outlet pipeline 2 is provided with a second valve 21 for controlling water outlet on-off, and the slag discharge pipeline 5 is provided with a third valve 51 for controlling slag discharge on-off.
Under normal conditions, the first valve 11 and the second valve 21 are both opened, the third valve 51 and the back-flushing valve 61 are both closed, water flows into the tank body 33 through the water inlet pipeline 1, solid impurities are attached to and remained on the filter cloth 32 after being filtered by the filter element 31, and filtered clean water flows to a water supply terminal through the water outlet pipeline 2.
As the filtering time increases, solid impurities adhering to the filter cloth 32 increase, the water seepage effect of the filter cloth 32 decreases, and the pressure drop of water flowing out through the water outlet pipeline 2 decreases.
Therefore, in the embodiment of the application, the candle filter 3 is provided with the detection module 4, the detection module 4 detects the water pressure of the water inlet pipeline 1 and outputs a first water pressure signal, and the detection module 4 detects the water pressure of the water pipeline 2 and outputs a second water pressure signal; the signal output end of the detection module 4 is connected with a signal processing module in a signal manner, and the signal processing module receives the first water pressure signal and the second water pressure signal, compares the first water pressure signal with the second water pressure signal and calculates a differential pressure value of the inlet water pressure and the outlet water pressure.
Referring to fig. 1 and 2, in the embodiment of the present application, the detection module 4 includes a first water pressure sensor 41 and a second water pressure sensor 42, where the first water pressure sensor 41 is disposed on the water inlet pipe 1 and located between the first valve 11 and the tank 33; the second water pressure sensor 42 is provided on the water outlet pipe 2 and is located between the second valve 21 and the tank 33.
In the process that water flows in through the water inlet pipeline 1, is filtered through the filter element 31, and flows out through the water outlet pipeline 2, the first water pressure sensor 41 detects the water pressure in the water inlet pipeline 1 and outputs a first water pressure signal, and the second water pressure sensor 42 detects the water pressure in the water outlet pipeline 2 and outputs a second water pressure signal.
The signal processing module comprises a singlechip, wherein the signal input end of the singlechip is in signal connection with the signal output ends of the first water pressure sensor 41 and the second water pressure sensor 42, and the signal output end of the singlechip is in signal connection with the first valve 11, the second valve 21, the third valve 51 and the blowback valve 61.
The singlechip receives the first water pressure signal and the second water pressure signal, compares the first water pressure value with the second water pressure value, and outputs a control signal when the difference value between the first water pressure value and the second water pressure value exceeds a set value (reaching the degree that the filter cloth 32 needs to be cleaned and can be measured through experiments).
The first valve 11 and the second valve 21 receive control signals and are closed, the third valve 51 and the back-flushing valve 61 receive control signals and are opened, high-pressure gas in the gas source tank 62 enters the filter element 31 through the water outlet pipeline 2, the filter cloth 32 bulges towards the direction away from the filter element 31, solid matters attached to the filter cloth 32 shake down into the residual water in the tank body 33, and filter residues flow out of the tank body 33 along with the residual water through the slag discharge pipeline 5, so that the technical effect of automatically flushing the filter element 31 is realized.
When the flushing is finished, the singlechip controls the third valve 51 and the back-flushing valve 61 to be closed, controls the first valve 11 and the second valve 21 to be opened, so that the filter element 31 of the candle filter 3 filters water again, the technical effect of regeneration of the filter cloth 32 is realized, the automation degree of pipeline filtering is effectively improved, and the operation of cleaning and replacing the filter element 31 by operators is avoided.
It should be noted that, in the embodiment of the present application, the program for comparing the first pressure value and the second pressure value and comparing the differential pressure value with the set value is preloaded by the singlechip, which is the prior art, and in some other embodiments, the singlechip may be replaced by an arm chip according to the actual use requirement, which is not limited herein.
The implementation principle of the anti-blocking filtering device suitable for rainwater collection is as follows: through mutual overlapping and use among the air source tank 62, the air transmission pipeline 63, the blowback valve 61, the first water pressure sensor 41, the second water pressure sensor 42, the singlechip first valve 11, the third valve 51, the deslagging pipeline 5 and the candle filter 3, when the detected differential pressure value between the water inlet pressure and the water outlet pressure exceeds a set value, the excessive solid matter attached to the filter cloth 32 can be judged, the operation of flushing the filter cloth 32 needs to be executed, at the moment, the first valve 11 and the second valve 21 are closed, the third valve 51 and the blowback valve 61 are opened, the high-pressure air in the air source tank 62 enters the filter element 31, so that the filter cloth 32 on the filter element 31 bulges, the solid impurities attached to the filter cloth 32 shake down in the residual water body in the candle filter 3 and are discharged to the outside through the candle filter 5, the technical effects of automatic flushing and regenerating the filter cloth 32 are realized, the operation of manually cleaning the filter element 31 is avoided by operators, and the filter cloth has good deslagging effect.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (5)
1. The anti-blocking filtering device suitable for rainwater collection is characterized by comprising a water inlet pipeline (1), a water outlet pipeline (2) and a candle filter (3), wherein the water inlet end of the candle filter (3) is communicated with the water inlet pipeline (1), and the water outlet end of a filter element (31) in the candle filter (3) is communicated with the water outlet pipeline (2);
the candle filter (3) comprises a back blowing component (6) for flushing the filter element (31) and a slag discharging pipeline (5) for discharging impurities; and:
the detection module (4) is used for detecting the water flow pressure in the water inlet pipeline (1) and outputting a first water pressure signal, and detecting the water flow pressure in the water outlet pipeline (2) and outputting a second water pressure signal;
the signal processing module is in signal connection with the detection module (4) and is used for receiving and comparing the first water pressure signal and the second water pressure signal, and outputting a control signal when the difference value between the first water pressure value and the second water pressure value exceeds a set value;
be provided with first valve (11) on inlet channel (1), be provided with second valve (21) on outlet channel (2), be provided with third valve (51) on slag discharge pipeline (5), first valve (11) second valve (21) third valve (51) and blowback subassembly (6) all with signal processing module signal connection, first valve (11) with second valve (21) are received control signal and are closed simultaneously, third valve (51) are received control signal opens, blowback subassembly (6) are received control signal and are washed filter core (31).
2. An anti-blocking filter device suitable for rainwater collection according to claim 1, characterized in that the detection module (4) comprises:
a first water pressure sensor (41) arranged on the water inlet pipeline (1) and used for detecting the water flow pressure in the water inlet pipeline (1) and outputting a first water pressure signal;
and the second water pressure sensor (42) is arranged on the water outlet pipeline (2) and is used for detecting the water flow pressure in the water outlet pipeline (2) and outputting a second water pressure signal.
3. The anti-blocking filtering device suitable for rainwater collection according to claim 2, wherein the signal processing module comprises a single chip microcomputer, a signal input end of the single chip microcomputer is in signal connection with the first water pressure sensor (41) and the second water pressure sensor (42), the single chip microcomputer receives the first water pressure signal and the second water pressure signal and compares a difference value between the first water pressure value and the second water pressure value with a set value, and when the difference value between the first pressure value and the second pressure value exceeds the set value, the single chip microcomputer outputs the control signal.
4. A block-resistant filtering device suitable for rainwater collection according to claim 3, characterized in that the blowback assembly (6) comprises a gas source tank (62) and a gas pipeline (63), the gas inlet end of the gas pipeline (63) is communicated with the gas source tank (62), the gas outlet end of the gas pipeline (63) is communicated with the water outlet pipeline (2), and the gas outlet end of the gas pipeline (63) is positioned between the second valve (21) and the filter element (31);
the gas pipeline (63) is provided with a blowback valve (61), the signal input end of the blowback valve (61) is connected with the signal output end of the singlechip in a signal manner, and the blowback valve (61) receives the control signal and is opened.
5. An anti-clogging filtering device suitable for rainwater collection according to claim 1, characterized in that the candle filter (3) comprises a tank (33), the bottom of the tank (33) being arranged in a funnel shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321364107.5U CN220276409U (en) | 2023-05-31 | 2023-05-31 | Anti-blocking filtering device suitable for rainwater is collected |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321364107.5U CN220276409U (en) | 2023-05-31 | 2023-05-31 | Anti-blocking filtering device suitable for rainwater is collected |
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| CN220276409U true CN220276409U (en) | 2024-01-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119488751A (en) * | 2024-11-26 | 2025-02-21 | 湖北普瑞提化工科技有限公司 | A reaction liquid filtration and recovery device for the production of antioxidant KY-405 |
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2023
- 2023-05-31 CN CN202321364107.5U patent/CN220276409U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119488751A (en) * | 2024-11-26 | 2025-02-21 | 湖北普瑞提化工科技有限公司 | A reaction liquid filtration and recovery device for the production of antioxidant KY-405 |
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