CN105126437A - Multi-stage composite filtration device - Google Patents
Multi-stage composite filtration device Download PDFInfo
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- CN105126437A CN105126437A CN201510655764.9A CN201510655764A CN105126437A CN 105126437 A CN105126437 A CN 105126437A CN 201510655764 A CN201510655764 A CN 201510655764A CN 105126437 A CN105126437 A CN 105126437A
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- wedge shape
- filter
- tank body
- filtration chamber
- pipe
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Abstract
The invention discloses a multi-stage composite filtration device, and belongs to the technical field of filtration purification devices. According to the technical scheme, the multi-stage composite filtration device is characterized by comprising multiple tank bodies which are connected with one another in parallel, the interior of each tank body is sequentially divided into a sand-gravel medium filtration cavity, a wedged-shaped mesh filtration cavity and a clear water collection cavity from top to bottom through an upper partition plate and a lower partition plate, the side wall of each sand-gravel medium filtration cavity is provided with a water inlet, and the side wall of each wedged-shaped mesh filtration cavity is provided with a water outlet. According to the multi-stage composite filtration device, three running modes can be achieved by controlling opening and closing of different valves, the switching process is simple, different running modes can be selected and used according to different running conditions, and the application range is wider.
Description
Technical field
The invention belongs to filtering and purifying technical field, be specifically related to a kind of multistage composite type filter.
Background technology
At present, the filter that field of agricultural irrigation is applied mainly contains the forms such as laminated filter, sandstone medium filter, centrifugal filter and well strainer, mainly adopt combining form to filter during application, such as sandstone medium filter coordinates laminated filter, centrifugal filter to coordinate laminated filter or sandrock filter to coordinate well strainer etc.Monomer strainer is merely able to realize single filtering function, can meet actual filtration demand after Combination application.But the filter set of Combination application exists many drawbacks, filter the increase of progression, must increase pipeline and connect difficulty, pipe fitting is numerous and diverse various, adds system cost, increases the space of hold facility simultaneously.Pipe fitting increases, and pipeline increases, and bending of water flow passage, increases the loss of flood peak of filtration system, and the supporting pump power of stem is increased.Meanwhile, multistage filter is after filtering after a while, and carry out backwash, progression is more, rinses separately the water consumed more, adds while rinsing frequency and also result in a large amount of water resource waste, the service efficiency of equipment is reduced.
Summary of the invention
The present invention overcomes the deficiencies in the prior art to provide a kind of multistage composite type filter sandstone medium filter and wedge shape net self-cleaning filter combined.
The present invention adopts following technical scheme for solving the problems of the technologies described above, a kind of multistage composite type filter, it is characterized in that the tank body comprising multiple connection parallel with one another, the inside of tank body is separated into sandstone media filtration chamber by upper spacer and lower clapboard from top to bottom successively, wedge shape net filtration chamber and clear water collect cavity, wherein the top in sandstone media filtration chamber is provided with the water-locator be connected with water inlet, water inlet is connected with water inlet hydrodynamic(al) three-way valve, two other interface of water inlet hydrodynamic(al) three-way valve is connected with water inlet pipe with blow-off pipe respectively, the inside in sandstone media filtration chamber is filled with sandstone media filtration layer by the sand loading hole on cavity wall, one deck filter cap is provided with in the bottom of sandstone media filtration layer, this filter cap is fixed on the upside of upper spacer, the upper spacer relative with filter cap is provided with filter bores, wedge shape net filtration chamber is between upper spacer and lower clapboard, the wherein upper end sealing of wedge shape filter screen, the lower end of wedge shape filter screen is fixed on lower clapboard, the lower clapboard relative with wedge shape filter screen is provided with filter bores, the top in wedge shape net filtration chamber is provided with the single filter collect cavity for collecting the chamber water outlet of sandstone media filtration, this single filter collect cavity is connected by mozzle with the clear water collect cavity below lower clapboard, the sidewall in wedge shape net filtration chamber is provided with delivery port, delivery port is connected with outlet pipe, and outlet pipe is connected with drain sump, the top of clear water collect cavity is provided with U-shaped blow-off pipe that is relative with lower clapboard filter bores and that be slidably matched with lower clapboard, this U-shaped blow-off pipe is fixed in rotating shaft by shaft coupling, rotating shaft is connected with the reductor at tank body top with sandstone media filtration chamber through wedge shape net filtration chamber successively, reductor is connected with motor, U-shaped blow-off pipe is connected with blowdown main, this blowdown main extends to the outside of tank body by the axle bed be arranged at bottom clear water collect cavity, and this blowdown main is connected with cesspool by blowoff electromagnetic valve, the outside of tank body is respectively equipped with pressure difference switch, lower pressure difference switch and switch board, the one end of wherein going up pressure difference switch is connected with the sandstone media filtration chamber above sandstone media filtration layer by tube connector, the other end of upper pressure difference switch is connected with the sandstone media filtration chamber bottom sandstone media filtration layer by tube connector, one end of lower pressure difference switch is connected by the inner side of tube connector with wedge shape filter screen, the other end of lower pressure difference switch is connected by the outside of tube connector with wedge shape filter screen, central controller and display screen is provided with in switch board, this central controller is respectively by circuit and display screen, upper pressure difference switch, lower pressure difference switch, water inlet hydrodynamic(al) three-way valve, blowoff electromagnetic valve is connected with motor.
Further restriction, described tank base is provided with emptying valve, and the sidewall of clear water collect cavity is provided with manhole, and the bottom of tank body is provided with bracing frame.
The carrying out practically process of multistage composite type filter of the present invention is: first realized being connected in parallel by water inlet pipe and outlet pipe by multiple tank body, normal filtration process, switch water inlet hydrodynamic(al) three-way valve by central controller controls and open water inlet direction passage, bottom electromagnetism blowoff valve is in closed condition, water is distributed in sandstone media filtration layer by water-locator and carries out single filter, water after filtration enters single filter collect cavity through filter cap, then clear water collect cavity is entered by mozzle, water is by entering wedge shape net filtration chamber after wedge shape strainer filtering, outlet pipe is entered again by the delivery port on the sidewall of wedge shape net filtration chamber, the delivery port of each tank body is collected to drain sump by outlet pipe, finally enter next stage by drain sump filter or directly lead to irrigation pipe network, the backwash process of wedge shape filter screen, reported to the police by lower pressure difference switch and closed by the water inlet hydrodynamic(al) three-way valve of central controller controls tank body to be cleaned, blowoff electromagnetic valve is opened, the part water outlet of other tank body in parallel with tank body to be cleaned enters wedge shape net filtration chamber by the delivery port of tank body to be cleaned, by backwash wedge shape filter screen the impurity be attached on wedge shape filter screen inwall rinsed out and discharged by U-shaped blow-off pipe and blowdown main, being rotated with the cleaning process completing different wedge shape filter screen by the U-shaped blow-off pipe of central controller controls driven by motor, the backwash process of sandstone media filtration layer, report to the police the passage bridge that is connected with blow-off pipe by the water inlet hydrodynamic(al) three-way valve of tank body to be cleaned by central controller to opening by upper pressure difference switch, intake tunnel is in closed condition, bottom blow-down magnetic valve is in closed condition, the part water outlet of other tank body in parallel with tank body to be cleaned enters wedge shape net filtration chamber by the delivery port of tank body to be cleaned, clear water collect cavity is entered again by wedge shape net filtration chamber, then single filter collect cavity is entered by mozzle, under the water distribution effect of filter cap, sandstone media filtration layer is cleaned, sewage enters blow-off pipe by the water inlet on the sidewall of sandstone media filtration chamber.
The present invention compared with prior art has the following advantages: filter volume is little, the construction investment that decreases equipment land used; Without the need to cutting off the water during filter cleaning, solve the problem that single tank sandrock filter can not clean; Can realize three kinds of operational modes by the keying controlling different valve, transfer process is simple, and according to different water quality condition choice for uses, the scope of application is more extensive.
Accompanying drawing explanation
Fig. 1 is external structure schematic diagram of the present invention;
Fig. 2 is the transverse sectional view in wedge shape net filtration chamber in the present invention.
Drawing illustrates: 1, tank body, 2, upper spacer, 3, lower clapboard, 4, sandstone media filtration chamber, 5, wedge shape net filtration chamber, 6, clear water collect cavity, 7, water inlet, 8, water-locator, 9, sand loading hole, 10, filter cap, 11, wedge shape filter screen, 12, single filter collect cavity, 13, mozzle, 14, delivery port, 15, U-shaped blow-off pipe, 16, rotating shaft, 17, reductor, 18, motor, 19, blowdown main, 20, axle bed, 21, blowoff electromagnetic valve, 22, emptying valve, 23, manhole, 24, bracing frame.
Detailed description of the invention
Describe technical scheme of the present invention by reference to the accompanying drawings in detail.As shown in Figure 1-2, a kind of multistage composite type filter, comprise the tank body 1 of multiple connection parallel with one another, the inside of tank body 1 is separated into sandstone media filtration chamber 4 by upper spacer 2 and lower clapboard 3 from top to bottom successively, wedge shape net filtration chamber 5 and clear water collect cavity 6, wherein the top in sandstone media filtration chamber 4 is provided with the water-locator 8 be connected with water inlet 7, water inlet 7 is connected with water inlet hydrodynamic(al) three-way valve, two other interface of water inlet hydrodynamic(al) three-way valve is connected with water inlet pipe with blow-off pipe respectively, the inside in sandstone media filtration chamber 4 is filled with sandstone media filtration layer by the sand loading hole 9 on cavity wall, one deck filter cap 10 is provided with in the bottom of sandstone media filtration layer, this filter cap 10 is fixed on the upside of upper spacer 2, the upper spacer 2 relative with filter cap 10 is provided with filter bores, wedge shape net filtration chamber 5 is between upper spacer 2 and lower clapboard 3, the wherein upper end sealing of wedge shape filter screen 11, the lower end of wedge shape filter screen 11 is fixed on lower clapboard 3, the lower clapboard 3 relative with wedge shape filter screen 11 is provided with filter bores, the top in wedge shape net filtration chamber 5 is provided with the single filter collect cavity 12 for collecting chamber 4 water outlet of sandstone media filtration, this single filter collect cavity 12 is connected by mozzle 13 with the clear water collect cavity 6 below lower clapboard 3, the sidewall in wedge shape net filtration chamber 5 is provided with delivery port 14, delivery port 14 is connected with outlet pipe, and outlet pipe is connected with drain sump, the top of clear water collect cavity 6 is provided with U-shaped blow-off pipe 15 that is relative with lower clapboard 3 filter bores and that be slidably matched with lower clapboard 3, this U-shaped blow-off pipe 15 is fixed in rotating shaft 16 by shaft coupling, rotating shaft 16 is connected with the reductor 17 of sandstone media filtration chamber 4 with tank body 1 top through wedge shape net filtration chamber 5 successively, reductor 17 is connected with motor 18, U-shaped blow-off pipe 15 is connected with blowdown main 19, this blowdown main 19 extends to the outside of tank body 1 by the axle bed 20 be arranged at bottom clear water collect cavity 6, and this blowdown main 19 is connected with cesspool by blowoff electromagnetic valve 21, emptying valve 22 is provided with bottom tank body 1, the sidewall of clear water collect cavity 6 is provided with manhole 23, the bottom of tank body is provided with bracing frame 24, the outside of tank body is respectively equipped with pressure difference switch, lower pressure difference switch and switch board, the one end of wherein going up pressure difference switch is connected with the sandstone media filtration chamber above sandstone media filtration layer by tube connector, the other end of upper pressure difference switch is connected with the sandstone media filtration chamber bottom sandstone media filtration layer by tube connector, one end of lower pressure difference switch is connected by the inner side of tube connector with wedge shape filter screen, the other end of lower pressure difference switch is connected by the outside of tube connector with wedge shape filter screen, central controller and display screen is provided with in switch board, this central controller is respectively by circuit and display screen, upper pressure difference switch, lower pressure difference switch, water inlet hydrodynamic(al) three-way valve, blowoff electromagnetic valve is connected with motor.
In running of the present invention, first multiple tank body is realized being connected in parallel to realize following three kinds of operational modes by delivery port hydrodynamic(al) three-way valve and return pipe:
(1) filtered model
Normal filtration process, switch water inlet hydrodynamic(al) three-way valve by central controller controls and open water inlet direction passage, bottom electromagnetism blowoff valve is in closed condition, water is distributed in sandstone media filtration layer by water-locator and carries out single filter, water after filtration enters single filter collect cavity through filter cap, then clear water collect cavity is entered by mozzle, water is by entering wedge shape net filtration chamber after wedge shape strainer filtering, outlet pipe is entered again by the delivery port on the sidewall of wedge shape net filtration chamber, the delivery port of each tank body is collected to drain sump by outlet pipe, finally enter next stage by drain sump filter or directly lead to irrigation pipe network,
(2) the anti-cleaning model of wedge shape filter screen
The backwash process of wedge shape filter screen, reported to the police by lower pressure difference switch and closed by the water inlet hydrodynamic(al) three-way valve of central controller controls tank body to be cleaned, blowoff electromagnetic valve is opened, the part water outlet of other tank body in parallel with tank body to be cleaned enters wedge shape net filtration chamber by the delivery port of tank body to be cleaned, by backwash wedge shape filter screen the impurity be attached on wedge shape filter screen inwall rinsed out and discharged by U-shaped blow-off pipe and blowdown main, being rotated with the cleaning process completing different wedge shape filter screen by the U-shaped blow-off pipe of central controller controls driven by motor;
(3) the anti-cleaning model of sandstone media filtration layer
The backwash process of sandstone media filtration layer, report to the police the passage bridge that is connected with blow-off pipe by the water inlet hydrodynamic(al) three-way valve of tank body to be cleaned by central controller to opening by upper pressure difference switch, intake tunnel is in closed condition, bottom blow-down magnetic valve is in closed condition, the part water outlet of other tank body in parallel with tank body to be cleaned enters wedge shape net filtration chamber by the delivery port of tank body to be cleaned, clear water collect cavity is entered again by wedge shape net filtration chamber, then single filter collect cavity is entered by mozzle, under the water distribution effect of filter cap, sandstone media filtration layer is cleaned, sewage enters blow-off pipe by the water inlet on the sidewall of sandstone media filtration chamber.
More than show and describe general principle of the present invention, principal character and advantage, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, and these changes and improvements all fall into claimed scope of the present invention.
Claims (4)
1. a multistage composite type filter, it is characterized in that the tank body comprising multiple connection parallel with one another, the inside of tank body is separated into sandstone media filtration chamber by upper spacer and lower clapboard from top to bottom successively, wedge shape net filtration chamber and clear water collect cavity, wherein the top in sandstone media filtration chamber is provided with the water-locator be connected with water inlet, water inlet is connected with water inlet hydrodynamic(al) three-way valve, two other interface of water inlet hydrodynamic(al) three-way valve is connected with water inlet pipe with blow-off pipe respectively, the inside in sandstone media filtration chamber is filled with sandstone media filtration layer by the sand loading hole on cavity wall, one deck filter cap is provided with in the bottom of sandstone media filtration layer, this filter cap is fixed on the upside of upper spacer, the upper spacer relative with filter cap is provided with filter bores, wedge shape net filtration chamber is between upper spacer and lower clapboard, the wherein upper end sealing of wedge shape filter screen, the lower end of wedge shape filter screen is fixed on lower clapboard, the lower clapboard relative with wedge shape filter screen is provided with filter bores, the top in wedge shape net filtration chamber is provided with the single filter collect cavity for collecting the chamber water outlet of sandstone media filtration, this single filter collect cavity is connected by mozzle with the clear water collect cavity below lower clapboard, the sidewall in wedge shape net filtration chamber is provided with delivery port, delivery port is connected with outlet pipe, and outlet pipe is connected with drain sump, the top of clear water collect cavity is provided with U-shaped blow-off pipe that is relative with lower clapboard filter bores and that be slidably matched with lower clapboard, this U-shaped blow-off pipe is fixed in rotating shaft by shaft coupling, rotating shaft is connected with the reductor at tank body top with sandstone media filtration chamber through wedge shape net filtration chamber successively, reductor is connected with motor, U-shaped blow-off pipe is connected with blowdown main, this blowdown main extends to the outside of tank body by the axle bed be arranged at bottom clear water collect cavity, and this blowdown main is connected with cesspool by blowoff electromagnetic valve, the outside of tank body is respectively equipped with pressure difference switch, lower pressure difference switch and switch board, the one end of wherein going up pressure difference switch is connected with the sandstone media filtration chamber above sandstone media filtration layer by tube connector, the other end of upper pressure difference switch is connected with the sandstone media filtration chamber bottom sandstone media filtration layer by tube connector, one end of lower pressure difference switch is connected by the inner side of tube connector with wedge shape filter screen, the other end of lower pressure difference switch is connected by the outside of tube connector with wedge shape filter screen, central controller and display screen is provided with in switch board, this central controller is respectively by circuit and display screen, upper pressure difference switch, lower pressure difference switch, water inlet hydrodynamic(al) three-way valve, blowoff electromagnetic valve is connected with motor.
2. multistage composite type filter according to claim 1, it is characterized in that: described tank base is provided with emptying valve, the sidewall of clear water collect cavity is provided with manhole.
3. multistage composite type filter according to claim 1, is characterized in that: described tank base is provided with bracing frame.
4. the operation method of the multistage composite type filter in a claim 1-3 described in any one, it is characterized in that carrying out practically process is: first realized being connected in parallel by water inlet pipe and outlet pipe by multiple tank body, normal filtration process, switch water inlet hydrodynamic(al) three-way valve by central controller controls and open water inlet direction passage, bottom electromagnetism blowoff valve is in closed condition, water is distributed in sandstone media filtration layer by water-locator and carries out single filter, water after filtration enters single filter collect cavity through filter cap, then clear water collect cavity is entered by mozzle, water is by entering wedge shape net filtration chamber after wedge shape strainer filtering, outlet pipe is entered again by the delivery port on the sidewall of wedge shape net filtration chamber, the delivery port of each tank body is collected to drain sump by outlet pipe, finally enter next stage by drain sump filter or directly lead to irrigation pipe network, the backwash process of wedge shape filter screen, reported to the police by lower pressure difference switch and closed by the water inlet hydrodynamic(al) three-way valve of central controller controls tank body to be cleaned, blowoff electromagnetic valve is opened, the part water outlet of other tank body in parallel with tank body to be cleaned enters wedge shape net filtration chamber by the delivery port of tank body to be cleaned, by backwash wedge shape filter screen the impurity be attached on wedge shape filter screen inwall rinsed out and discharged by U-shaped blow-off pipe and blowdown main, being rotated with the cleaning process completing different wedge shape filter screen by the U-shaped blow-off pipe of central controller controls driven by motor, the backwash process of sandstone media filtration layer, report to the police the passage bridge that is connected with blow-off pipe by the water inlet hydrodynamic(al) three-way valve of tank body to be cleaned by central controller to opening by upper pressure difference switch, intake tunnel is in closed condition, bottom blow-down magnetic valve is in closed condition, the part water outlet of other tank body in parallel with tank body to be cleaned enters wedge shape net filtration chamber by the delivery port of tank body to be cleaned, clear water collect cavity is entered again by wedge shape net filtration chamber, then single filter collect cavity is entered by mozzle, under the water distribution effect of filter cap, sandstone media filtration layer is cleaned, sewage enters blow-off pipe by the water inlet on the sidewall of sandstone media filtration chamber.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510655764.9A CN105126437B (en) | 2015-10-12 | 2015-10-12 | Multi-stage composite filtration device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510655764.9A CN105126437B (en) | 2015-10-12 | 2015-10-12 | Multi-stage composite filtration device |
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| CN105126437A true CN105126437A (en) | 2015-12-09 |
| CN105126437B CN105126437B (en) | 2017-01-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110824130A (en) * | 2019-11-14 | 2020-02-21 | 徐州市创新科技发展有限公司 | Automatic change water quality testing device |
| 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 |
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| JP2008289973A (en) * | 2007-05-23 | 2008-12-04 | Tookemi:Kk | Filtering apparatus |
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| CN203060935U (en) * | 2012-11-28 | 2013-07-17 | 石河子市金土地节水设备有限公司 | Self-cleaning type filter |
| CN104147842A (en) * | 2014-07-31 | 2014-11-19 | 中国农业科学院农田灌溉研究所 | Combined multifunctional filtering device |
| CN205073781U (en) * | 2015-10-12 | 2016-03-09 | 中国农业科学院农田灌溉研究所 | Multistage compound filter equipment |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2593884Y (en) * | 2003-01-15 | 2003-12-24 | 新疆石河子汽车厂 | Sand net assembled filter |
| JP2008289973A (en) * | 2007-05-23 | 2008-12-04 | Tookemi:Kk | Filtering apparatus |
| CN202605826U (en) * | 2012-05-18 | 2012-12-19 | 南京源自电力自动化设备有限公司 | Full-automatic backwashing filtering device |
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| CN104147842A (en) * | 2014-07-31 | 2014-11-19 | 中国农业科学院农田灌溉研究所 | Combined multifunctional filtering device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110824130A (en) * | 2019-11-14 | 2020-02-21 | 徐州市创新科技发展有限公司 | Automatic change water quality testing device |
| 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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