CN109078374B - Method for realizing self-cleaning of drip irrigation filter - Google Patents
Method for realizing self-cleaning of drip irrigation filter Download PDFInfo
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- CN109078374B CN109078374B CN201810985923.5A CN201810985923A CN109078374B CN 109078374 B CN109078374 B CN 109078374B CN 201810985923 A CN201810985923 A CN 201810985923A CN 109078374 B CN109078374 B CN 109078374B
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- water
- filter
- drip irrigation
- filter body
- shell
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- 238000003973 irrigation Methods 0.000 title claims abstract description 71
- 230000002262 irrigation Effects 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000004140 cleaning Methods 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 142
- 239000012535 impurity Substances 0.000 claims abstract description 21
- 239000007787 solid Substances 0.000 claims abstract description 18
- 230000007774 longterm Effects 0.000 claims abstract description 4
- 238000011010 flushing procedure Methods 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 abstract description 4
- 239000004033 plastic Substances 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 150000002739 metals Chemical class 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- ZDZOTLJHXYCWBA-VCVYQWHSSA-N N-debenzoyl-N-(tert-butoxycarbonyl)-10-deacetyltaxol Chemical compound O([C@H]1[C@H]2[C@@](C([C@H](O)C3=C(C)[C@@H](OC(=O)[C@H](O)[C@@H](NC(=O)OC(C)(C)C)C=4C=CC=CC=4)C[C@]1(O)C3(C)C)=O)(C)[C@@H](O)C[C@H]1OC[C@]12OC(=O)C)C(=O)C1=CC=CC=C1 ZDZOTLJHXYCWBA-VCVYQWHSSA-N 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229960003668 docetaxel Drugs 0.000 description 1
- 230000004720 fertilization Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
- B01D29/33—Self-supporting filtering elements arranged for inward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/16—Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
Abstract
A method for realizing self-cleaning of a drip irrigation filter is characterized in that under the combined action of a pressure water head of water and an ultrasonic transducer in the drip irrigation filter, solid impurities and dirt in the water are driven by the water flowing in a vortex shape and are not easy to deposit and attach to a filter body, the space between a shell and the filter body is large, the space below the filter body is also large, a connected water return pipe is also located at the lowest position, and the problem that the solid impurities and the dirt in the conventional filter can only be attached to the filter body and are easy to block is solved through the solid impurities and the dirt with relatively large volumes, so that the filter body is not easy to block, the long-term use of the drip irrigation filter is ensured, the drip irrigation filter is simple in structure, has no mechanical moving parts and high reliability, and can be made of various materials such as plastics, metals and the like.
Description
Technical Field
The invention relates to the technical field of agricultural irrigation, in particular to a method for realizing self-cleaning of a drip irrigation filter.
Background
The water resource distribution in China is extremely unbalanced, the conditions of more south and less north and less east and less docetaxel appear in regions, more spring and more summer appear in time, and less other time, which brings uncertain influence on agricultural production in China.
In some regions with deficient water resources, a lot of cultivated lands are in the state of waterless irrigation, so that the reasonable utilization of the water resources is the development direction of agricultural water.
Drip irrigation is a technology of delivering water to the roots of plants for local irrigation through orifices or drip irrigation heads on capillary pipes with the diameter of about 10mm by using plastic pipelines, and is the most effective water-saving irrigation mode, the utilization rate of water can reach 95%, and compared with other irrigation modes, the drip irrigation mode has higher water-saving and yield-increasing effects, and can be combined with fertilization to improve the fertilizer efficiency by more than one time. The drip irrigation technology is suitable for various occasions at present, and is particularly suitable for irrigating crops in water resource deficient areas. Drip irrigation and compare not enough place with other irrigation methods and be that drip irrigation the head and block up because of aquatic solid impurity or filth easily, if the filter effect is unsatisfactory, impurity and filth get into pipe-line system easily, block up the delivery port of driping irrigation the head, influence the normal clear of driping irrigation, especially influence the life-span of driping irrigation the pipe, consequently reply the water source and carry out filtration treatment.
The existing filter for drip irrigation is mostly a net filter, namely, the filter is filtered through an internal filter screen, after the filter is used for a period of time, impurities can be fully accumulated on the filter screen, the filter screen needs to be cleaned or filter objects in the filter screen need to be replaced, the existing cleaning method is shut down and manual cleaning, the cleaning mode is very complex and needs manual operation, labor and time are wasted, the existing self-cleaning mode is mainly divided into two modes, one mode is a motor-driven brush mode, and the other mode is a hydraulic-driven negative pressure mode.
The motor-driven brush type filter needs a motor and a reducer, and has the disadvantages of complex structure, high cost, low reliability and inconvenient use; the hydraulic drive negative pressure type filter adopts the negative pressure type filter element component to remove impurities on the filter screen, the structure is more complex, the filtering effect needs to be further improved, the cleaning time is long, the price of the filter element component is high, and once the filter element component is damaged, the replacement is troublesome, in a word, the existing self-cleaning is that the filter mainly has the problems of complex structure, high cost, low reliability and the like.
Disclosure of Invention
The invention discloses a structure of a drip irrigation filter and a method for realizing self-cleaning, aiming at solving the technical problems of complex structure and low reliability of a self-cleaning device of the existing filter.
In order to achieve the purpose, the invention adopts the technical scheme that:
a method for realizing self-cleaning of a drip irrigation filter comprises the following steps:
s1: starting the water pump, and enabling water to flow into the filter from the water inlet;
s2: starting an ultrasonic transducer;
s3: the water entering the drip irrigation filter is divided into four parts to flow when meeting the flow guide cone;
s4: the space between the shell and the filter body is quickly filled with water around;
s5: under the action of a pressure head of water entering the drip irrigation filter, the water flows along a spiral space formed by the spiral flow deflector on the surface of the filter body, and the flow of the water in the space between the shell and the filter body is vortex-shaped;
s6: in the process that water flows along a spiral space formed by the spiral flow deflector on the surface of the filter body, most of the water enters the water receiving disc through the filter body and then flows out of the drip irrigation filter through the water outlet pipe, and a small amount of the water carrying solid impurities and dirt which cannot pass through the filter body enters the space below the filter body under the guidance of the spiral flow deflector and then flows out of the drip irrigation filter through the water return pipe and is discharged into a water source or a pool.
In the process, under the combined action of the pressure water head of the water and the ultrasonic transducer, solid impurities and dirt in the water are driven by the water flowing in a vortex shape, the solid impurities and the dirt are not easy to deposit and attach to the filter body, the space between the shell and the filter body is large, the space below the filter body is also large, the connected water return pipe is also located at the lowest position, the problem that the solid impurities and the dirt in the conventional filter can only be attached to the filter body and are easy to block is solved, the filter body is not easy to block, and the long-term use of the drip irrigation filter is ensured.
The self-cleaning method of the drip irrigation filter also comprises a back flushing method: when necessary, the water outlet pipe is connected with the water pump, the water inlet pipe and the water return pipe are both used as water return pipes, the ultrasonic transducer is started, and the filter element of the filter body can be further cleaned.
The drip irrigation filter produced by the method comprises a shell, a filter body and an ultrasonic transducer, the shell is a cylinder and comprises a barrel-shaped shell and an end cover, a water inlet pipe is welded at the center of the end cover, the water inlet pipe penetrates through the end cover and extends into a part of the interior, a water return pipe is horizontally arranged at the position of the barrel-shaped shell close to the bottom, the filter body is conical, a small part of the top is a guide cone, the other part is a filter element, the bottom is provided with a conical water pan, the central part of the water pan is welded with a water outlet pipe outwards, the water outlet pipe passes through the center of the bottom of the barrel-shaped shell, and is welded with the bottom of the barrel-shaped shell, the outer surface of the filter body is provided with a spiral flow deflector, the ultrasonic transducers are arranged around the barrel-shaped shell, the water inlet pipe is connected with the water pump, the water outlet pipe is connected with the drip irrigation pipeline, and the water return pipe is communicated with a water source or a pool. When the drip irrigation filter is used, the drip irrigation filter is vertically placed, namely the water inlet is arranged above the drip irrigation filter, and the water outlet is arranged below the drip irrigation filter.
The filtered water flowing out from the water outlet pipe is used for drip irrigation, so that the drip irrigation head is ensured not to be blocked and can be used for a long time.
Compared with the prior art, the invention has the following advantages:
1. the method for realizing self-cleaning of the drip irrigation filter has the advantages of simple structure, no mechanical moving part and high reliability, and can be made of various materials such as plastics, metals and the like.
2. The method for realizing self-cleaning of the drip irrigation filter does not need to add other devices such as a motor, various sensors and the like, and has low overall cost.
3. The filter in the method for realizing self-cleaning of the drip irrigation filter has a simple structure, so the drip irrigation filter has a small volume, is convenient to move and can be directly connected to a water pump.
4. The invention relates to a method for realizing self-cleaning of a drip irrigation filter, which comprises the following steps: when necessary, the water outlet pipe is connected with the water pump, the water inlet pipe and the water return pipe are both used as water return pipes, the ultrasonic transducer is started, and the filter element of the filter body can be further cleaned.
5. The method for realizing self-cleaning of the drip irrigation filter ensures that the filter element of the drip irrigation filter has long service life and reduces the labor intensity.
Drawings
Fig. 1 is a schematic view of a filter according to the present invention in a vertical sectional structure.
Fig. 2 is a top view, partially broken away, of a filter according to the invention.
In the figure: the water filter comprises a shell 1, a water inlet pipe 2, a water outlet pipe 3, a water return pipe 4, a filter body 5, a diversion cone 6, a spiral diversion sheet 7, a conical water receiving disc 8 and an ultrasonic transducer 9.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments, it is to be understood that the embodiments described herein are only for the purpose of explaining the present invention and are not intended to limit the present invention.
The first embodiment is as follows:
as shown in fig. 1 and 2, a drip irrigation filter comprises a shell 1, a filter body 5 and an ultrasonic transducer 9, wherein the shell 1 is a cylinder and comprises a barrel-shaped shell and an end cover, a water inlet pipe 2 is welded at the center of the end cover, the water inlet pipe 2 penetrates through the end cover and penetrates into one part of the interior, a water return pipe 4 is horizontally arranged at the position of the barrel-shaped shell close to the bottom, the filter body 5 is conical, a small part of the top is a diversion cone 6, the other parts are filter elements, a conical water receiving disc 8 is arranged at the bottom, a water outlet pipe 3 is welded outwards at the central part of the water receiving disc 8, the water outlet pipe 3 penetrates through the center of the bottom of the barrel-shaped shell and is welded with the bottom of the barrel-shaped shell, a spiral diversion sheet 7 is arranged on the outer surface of the filter body 5, the ultrasonic transducer 9 is arranged, the water outlet pipe 3 is connected with a drip irrigation pipeline, the water return pipe 4 is communicated with a water source or a pool, and the shell 1, the water inlet pipe 2, the water outlet pipe 3, the water return pipe 4, the diversion cone 6, the spiral diversion piece 7 and the water receiving disc 8 are made of plastics.
When in use, the drip irrigation filter is vertically arranged, namely the water inlet 2 is arranged above the drip irrigation filter, and the water outlet 3 is arranged below the drip irrigation filter.
The drip irrigation filter realizes a self-cleaning method:
s1: starting a water pump, and enabling water to flow into the drip irrigation filter from the water inlet;
s2: starting an ultrasonic transducer;
s3: the water entering the drip irrigation filter is divided into four parts to flow when meeting the flow guide cone;
s4: the space between the shell and the filter body is quickly filled with water around;
s5: under the action of a pressure head of water entering the drip irrigation filter, the water flows along a spiral space formed by the spiral flow deflector on the surface of the filter body, and the flow of the water in the space between the shell and the filter body is vortex-shaped;
s6: in the process that water flows along a spiral space formed by the spiral flow deflector on the surface of the filter body, most of the water enters the water receiving disc through the filter body and then flows out of the drip irrigation filter through the water outlet pipe, and a small amount of the water carrying solid impurities and dirt which cannot pass through the filter body enters the space below the filter body under the guidance of the spiral flow deflector and then flows out of the drip irrigation filter through the water return pipe and is discharged into a water source or a pool.
In the process, under the combined action of the pressure water head of the water and the ultrasonic transducer, solid impurities and dirt in the water are driven by the water flowing in a vortex shape, the solid impurities and the dirt are not easy to deposit and attach to the filter body, the space between the shell and the filter body is large, the space below the filter body is also large, the connected water return pipe is also located at the lowest position, the problem that the solid impurities and the dirt in the conventional filter can only be attached to the filter body and are easy to block is solved, the filter body is not easy to block, and the long-term use of the drip irrigation filter is ensured.
The self-cleaning method of the drip irrigation filter also comprises a back flushing method: when necessary, the water outlet pipe is connected with the water pump, the water inlet pipe and the water return pipe are both used as water return pipes, the ultrasonic transducer is started, and the filter element of the filter body can be further cleaned.
Example two:
the difference from the embodiment is that the housing 1, the water inlet pipe 2, the water outlet pipe 3, the water return pipe 4, the flow guide cone 6, the spiral flow guide plate 7 and the water receiving tray 8 of the drip irrigation filter are made of stainless steel, the number of the ultrasonic transducers 9 is two or more, the frequency of each ultrasonic transducer is different, so that solid impurities and dirt with different sizes are vibrated but not attached to the filter body 5 under different frequencies.
The above is a further detailed description of the present invention with reference to specific embodiments, and it should not be considered that the embodiments of the present invention are limited to the description, and that the skilled in the art may make several simple deductions or substitutions without departing from the spirit of the present invention, and all should be considered as falling within the protection scope of the present invention.
Claims (4)
1. A method for realizing self-cleaning of a drip irrigation filter is characterized by comprising the following steps:
s1: starting the water pump, and enabling water to flow into the filter from the water inlet;
s2: starting an ultrasonic transducer;
s3: the water entering the drip irrigation filter is divided into four parts to flow when meeting the flow guide cone;
s4: the space between the shell and the filter body is quickly filled with water which is divided into four parts;
s5: under the action of a pressure head of water entering the drip irrigation filter, the water flows along a spiral space formed by the spiral flow deflector on the surface of the filter body, and the flow of the water in the space between the shell and the filter body is vortex-shaped;
s6: in the process that water flows along a spiral space formed by the spiral flow deflector on the surface of the filter body, most of the water enters the water receiving disc through the filter body and then flows out of the drip irrigation filter through the water outlet pipe, and a small amount of the water carrying solid impurities and dirt which cannot pass through the filter body enters the space below the filter body under the guidance of the spiral flow deflector and then flows out of the drip irrigation filter through the water return pipe and is discharged into a water source or a pool.
2. A method of self-cleaning a drip irrigation filter according to claim 1, wherein: under the combined action of the pressure water head of water and the ultrasonic transducer, solid impurities and dirt in water are driven by water flowing in a vortex shape, the solid impurities and the dirt are not easy to deposit and attach to the filter body, the space between the shell and the filter body is large, the space below the filter body is also large, the water return pipe is also located at the lowest position, the solid impurities and the dirt with relatively large volume can be prevented, the problem that the solid impurities and the dirt in a conventional filter can only be attached to the filter body and are easily blocked is solved, the filter body is not easy to block, and the long-term use of the drip irrigation filter is ensured.
3. A method of self-cleaning a drip irrigation filter as described in claim 1: the method is characterized in that: the self-cleaning method of the drip irrigation filter also comprises a back flushing method: when necessary, the water outlet pipe is connected with the water pump, the water inlet pipe and the water return pipe are both used as water return pipes, the ultrasonic transducer is started, and the filter element of the filter body can be further cleaned.
4. A drip irrigation filter adapted for use in a method of self-cleaning a drip irrigation filter according to any one of claims 1-3, wherein: the ultrasonic water-saving filter is characterized by comprising a shell, a filter body and an ultrasonic transducer, wherein the shell is a cylinder and comprises a barrel-shaped shell and an end cover, a water inlet pipe is welded in the center of the end cover, the water inlet pipe penetrates through one part of the end cover and extends into the inside, a water return pipe is horizontally arranged at the position, close to the bottom, of the barrel-shaped shell, the filter body is conical, a small part of the top of the filter body is a flow guide cone, other parts of the filter body are filter elements, a conical water receiving disc is arranged at the bottom, a water outlet pipe is welded outwards at the central part of the water receiving disc, the water outlet pipe penetrates through the center of the bottom of the barrel-shaped shell and is welded with the bottom of the barrel-shaped shell, spiral flow guide pieces are arranged on the outer surface of the filter body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810985923.5A CN109078374B (en) | 2018-08-28 | 2018-08-28 | Method for realizing self-cleaning of drip irrigation filter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810985923.5A CN109078374B (en) | 2018-08-28 | 2018-08-28 | Method for realizing self-cleaning of drip irrigation filter |
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| Publication Number | Publication Date |
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| CN109078374A CN109078374A (en) | 2018-12-25 |
| CN109078374B true CN109078374B (en) | 2020-08-11 |
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| CN201810985923.5A Active CN109078374B (en) | 2018-08-28 | 2018-08-28 | Method for realizing self-cleaning of drip irrigation filter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112044144B (en) * | 2020-09-24 | 2021-10-19 | 江西祐臣节能净化科技有限公司 | Backflushing type water filter |
| CN112628611A (en) * | 2020-12-01 | 2021-04-09 | 深圳市爱玛特科技有限公司 | Double-range precise micro-leakage waterway protector and operation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH08299927A (en) * | 1995-05-09 | 1996-11-19 | Mk Seiko Co Ltd | Ultrasonic washer |
| US8029664B2 (en) * | 2008-06-26 | 2011-10-04 | Hamilton Sundstrand Corporation | Wash filter with wash velocity control cone |
| CN203862440U (en) * | 2014-05-08 | 2014-10-08 | 河北润农节水科技股份有限公司 | Improved drop irrigation head |
| CN204047428U (en) * | 2014-08-15 | 2014-12-31 | 李�杰 | Anti-blocking drip irrigation pipe |
| CN206950763U (en) * | 2017-05-24 | 2018-02-02 | 濮阳市宏发原工贸有限公司 | A kind of spiral cleaning formula petroleum filter |
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