CN105126437B - Multi-stage composite filtration device - Google Patents
Multi-stage composite filtration device Download PDFInfo
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- CN105126437B CN105126437B CN201510655764.9A CN201510655764A CN105126437B CN 105126437 B CN105126437 B CN 105126437B CN 201510655764 A CN201510655764 A CN 201510655764A CN 105126437 B CN105126437 B CN 105126437B
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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 defecator.
Background technology
At present, in field of agricultural irrigation, the filter of application mainly has laminated filter, sandstone medium filter, was centrifuged
The form such as filter and well strainer, mainly uses combining form to filter during application, such as sandstone medium filter coordinates lamination
Filter, centrifugal filter coordinate laminated filter or sandrock filter to coordinate well strainer etc..Monomer strainer is merely able to
Realize single filtering function, actual filtration demand after combination application, can be met.But, the filter group of combination application is deposited
In many drawbacks, filtering the increase of progression, necessarily increase pipeline and connect difficulty, pipe fitting is numerous and diverse various, adds system cost, with
Time increase the space of hold facility.Pipe fitting increases, and pipeline increases, and the bending of water flow passage increases the head of filtration system
Loss so that the supporting pump power of stem increases.Meanwhile, multistage filter through after a while filter after, backwash to be carried out,
Progression is the most, individually rinses the water consumed the most, also result in substantial amounts of water resource waste while adding flushing frequency,
The service efficiency making equipment reduces.
Summary of the invention
The present invention provides one by sandstone medium filter and wedge shape net self-cleaning for overcoming the deficiencies in the prior art
The multistage composite type defecator that combination of filters is got up.
The present invention solves that above-mentioned technical problem adopts the following technical scheme that, a kind of multistage composite type defecator, it is special
Levying and be to include multiple tank body being connected in parallel with each other, the inside of tank body is separated into by upper spacer and lower clapboard the most successively
Sandstone media filtration chamber, wedge shape net filtration chamber and clear water collect cavity, wherein being arranged over and water inlet of sandstone media filtration chamber
The water-locator being connected, water inlet is connected with water inlet hydrodynamic(al) three-way valve, and two other interface of water inlet hydrodynamic(al) three-way valve divides
Not being connected with blow-off pipe and water inlet pipe, the inside in sandstone media filtration chamber is filled with sandstone by the sand loading hole on cavity wall and is situated between
Matter filter course, is provided with a metafiltration cap in the bottom of sandstone media filtration layer, and this filter cap is fixed on the upside of upper spacer, with filter cap phase
To upper spacer be provided with filtering holes；Wedge shape net filtration chamber between upper spacer and lower clapboard, the wherein upper end of wedge shape filter screen
Sealing, the lower end of wedge shape filter screen is fixed on lower clapboard, and the lower clapboard relative with wedge shape filter screen is provided with filtering holes, wedge shape net mistake
The top of filter chamber is provided with the single filter collect cavity for collecting the chamber water outlet of sandstone media filtration, this single filter collect cavity with under
Clear water collect cavity below dividing plate is connected by mozzle, and the sidewall in wedge shape net filtration chamber is provided with outlet, outlet with
Outlet pipe is connected, and outlet pipe is connected with drain sump；The top of clear water collect cavity be provided with relative with lower clapboard filtering holes and with under every
The U-shaped blow-off pipe that plate is slidably matched, this U-shaped blow-off pipe is fixed in rotating shaft by shaft coupling, and rotating shaft sequentially passes through wedge shape net mistake
Filter chamber is connected with the reductor at tank body top with sandstone media filtration chamber, and reductor is connected with motor, and U-shaped blow-off pipe is total with blowdown
Pipe is connected, and this blowdown main extends to the outside of tank body by being arranged at the axle bed bottom clear water collect cavity, and this blowdown is total
Pipe 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 wherein going up pressure difference switch is connected with the sandstone media filtration chamber above sandstone media filtration layer by connecting tube, upper pressure
The other end of difference switch is connected with the sandstone media filtration chamber bottom sandstone media filtration layer by connecting tube, lower pressure difference switch
One end be connected by the inner side of connecting tube with wedge shape filter screen, the other end of lower pressure difference switch is by connecting tube and wedge shape filter screen
Outside be connected, be provided with central controller and display screen in switch board, this central controller respectively by circuit and display screen,
Upper pressure difference switch, lower pressure difference switch, water inlet hydrodynamic(al) three-way valve, blowoff electromagnetic valve are connected with motor.
Limiting further, described tank base is provided with emptying valve, and the sidewall of clear water collect cavity is provided with manhole, tank
The bottom of body is provided with bracing frame.
The carrying out practically process of multistage composite type defecator of the present invention is: first by multiple tank bodies by water inlet
Pipe and outlet pipe realize being connected in parallel, normal filtration process, central controller controls be switched into mouth of a river hydrodynamic(al) three-way valve and open
Water inlet direction passage, bottom electromagnetism blowoff valve is closed, and water is distributed in sandstone media filtration layer by water-locator to be carried out
Single filter, the water after filtration enters single filter collect cavity through filter cap, then enters clear water collect cavity, water by mozzle
By entering wedge shape net filtration chamber after wedge shape strainer filtering, then entered outlet pipe by the outlet on the sidewall of wedge shape net filtration chamber,
The outlet of each tank body is collected to drain sump by outlet pipe, is finally entered next stage by drain sump and filters or lead directly to
Irrigation pipe network；The backwash process of wedge shape filter screen, is reported to the police by central controller controls tank body to be cleaned by lower pressure difference switch
Water inlet hydrodynamic(al) three-way valve is closed, and blowoff electromagnetic valve is opened, and the part water outlet of other tank body in parallel with tank body to be cleaned is by treating
The outlet cleaning tank body enters wedge shape net filtration chamber, by backwash wedge shape filter screen will be attached on wedge shape filter screen inwall miscellaneous
Matter rinses out and is discharged by U-shaped blow-off pipe and blowdown main, by the U-shaped blow-off pipe of central controller controls driven by motor rotate with
Complete the cleaning process of different wedge shape filter screen；The backwash process of sandstone media filtration layer, by upper pressure difference switch report to the police by
The passage that the water inlet hydrodynamic(al) three-way valve of tank body to be cleaned is connected with blow-off pipe is switched to opening by centre controller, water inlet
Passage is closed, and bottom blow-down electromagnetic valve is closed, the part of other tank body in parallel with tank body to be cleaned
Water outlet is entered wedge shape net filtration chamber by the outlet of tank body to be cleaned, then is entered clear water collect cavity by wedge shape net filtration chamber, then
Enter single filter collect cavity by mozzle, under the water distribution effect of filter cap, sandstone media filtration layer is carried out, sewage
Blow-off pipe is entered by the water inlet on the sidewall of sandstone media filtration chamber.
The present invention compared with prior art has the advantage that the civil engineering that defecator volume is little, decrease equipment land used
Investment；Without cutting off the water when defecator cleans, solve the problem that single tank sandrock filter can not clean；By controlling different valve
The keying of door can realize three kinds of operational modes, and transformation process is simple, selects to use according to different water quality conditions, the scope of application
More extensive.
Accompanying drawing explanation
Fig. 1 is the 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, outlet, 15, U-shaped blow-off pipe, 16, rotating shaft, 17, reductor, 18, motor, 19, blowdown main, 20, axle
Seat, 21, blowoff electromagnetic valve, 22, emptying valve, 23, manhole, 24, bracing frame.
Detailed description of the invention
Technical scheme is described in detail in conjunction with accompanying drawing.As shown in Figure 1-2, a kind of multistage composite type defecator,
Including multiple tank bodies 1 being connected in parallel with each other, the inside of tank body 1 is separated into sand by upper spacer 2 and lower clapboard 3 the most successively
Stone media filtration chamber 4, wedge shape net filtration chamber 5 and clear water collect cavity 6, wherein being arranged over and intaking of sandstone media filtration chamber 4
The water-locators 8 that mouth 7 is connected, water inlet 7 is connected with water inlet hydrodynamic(al) three-way valve, and two other of water inlet hydrodynamic(al) three-way valve connects
Mouth is connected with blow-off pipe and water inlet pipe respectively, and the inside in sandstone media filtration chamber 4 is filled with by the sand loading hole 9 on cavity wall
Sandstone media filtration layer, is provided with a metafiltration cap 10 in the bottom of sandstone media filtration layer, and this filter cap 10 is fixed on the upper of upper spacer 2
Side, the upper spacer 2 relative with filter cap 10 is provided with filtering holes；Wedge shape net filtration chamber 5 between upper spacer 2 and lower clapboard 3, its
The upper end of middle wedge shape filter screen 11 seals, and the lower end of wedge shape filter screen 11 is fixed on lower clapboard 3, relative with wedge shape filter screen 11 under every
Plate 3 is provided with filtering holes, and the top in wedge shape net filtration chamber 5 is provided with the single filter for collecting chamber 4 water outlet of sandstone media filtration
Collect cavity 12, this single filter collect cavity 12 is connected by mozzle 13 with the clear water collect cavity 6 below lower clapboard 3, wedge shape
The sidewall in net filtration chamber 5 is provided with outlet 14, and outlet 14 is connected with outlet pipe, and outlet pipe is connected with drain sump；Clear water collection
The top of water cavity 6 is provided with U-shaped blow-off pipe 15 that is relative with lower clapboard 3 filtering holes and that be slidably matched, this U-shaped blowdown with lower clapboard 3
Pipe 15 is fixed in rotating shaft 16 by shaft coupling, and rotating shaft 16 sequentially passes through wedge shape net filtration chamber 5 and sandstone media filtration chamber 4 and tank
The reductor 17 at body 1 top is connected, and reductor 17 is connected with motor 18, and U-shaped blow-off pipe 15 is connected with blowdown main 19, this blowdown
House steward 19 extends to the outside of tank body 1 by being arranged at the axle bed 20 bottom clear water collect cavity 6, and this blowdown main 19 passes through
Blowoff electromagnetic valve 21 is connected with cesspool, is provided with emptying valve 22 bottom tank body 1, and the sidewall of clear water collect cavity 6 is provided with maintenance
Hole 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 wherein going up pressure difference switch is connected with the sandstone media filtration chamber above sandstone media filtration layer by connecting tube, upper pressure
The other end of difference switch is connected with the sandstone media filtration chamber bottom sandstone media filtration layer by connecting tube, lower pressure difference switch
One end be connected by the inner side of connecting tube with wedge shape filter screen, the other end of lower pressure difference switch is by connecting tube and wedge shape filter screen
Outside be connected, be provided with central controller and display screen in switch board, this central controller respectively by circuit and display screen,
Upper pressure difference switch, lower pressure difference switch, water inlet hydrodynamic(al) three-way valve, blowoff electromagnetic valve are connected with motor.
In running of the present invention, first multiple tank bodies are realized parallel connection even by outlet hydrodynamic(al) three-way valve and return pipe
Connect to realize following three kinds of operational modes:
(1) filtered model
Normal filtration process, is switched into mouth of a river hydrodynamic(al) three-way valve by central controller controls and opens water inlet direction passage, the end
Portion's electromagnetism blowoff valve is closed, and water is distributed in sandstone media filtration layer by water-locator and carries out single filter, after filtration
Water through filter cap enter single filter collect cavity, then by mozzle enter clear water collect cavity, water pass through wedge shape filter screen mistake
Enter wedge shape net filtration chamber after filter, then entered outlet pipe by the outlet on the sidewall of wedge shape net filtration chamber, the water outlet of each tank body
Mouth is collected to drain sump by outlet pipe, is finally entered next stage by drain sump and filters or lead directly to irrigation pipe network；
(2) the anti-cleaning model of wedge shape filter screen
The backwash process of wedge shape filter screen, by lower pressure difference switch warning entering by central controller controls tank body to be cleaned
Mouth of a river hydrodynamic(al) three-way valve is closed, and blowoff electromagnetic valve is opened, and the part water outlet of other tank body in parallel with tank body to be cleaned is clear by treating
The outlet of cleaning of evaporator body enters wedge shape net filtration chamber, will be attached to the impurity on wedge shape filter screen inwall by backwash wedge shape filter screen
Rinse out and discharged by U-shaped blow-off pipe and blowdown main, rotated with complete by the U-shaped blow-off pipe of central controller controls driven by motor
Become the cleaning process of different wedge shape filter screen；
(3) the anti-cleaning model of sandstone media filtration layer
The backwash process of sandstone media filtration layer, is reported to the police tank body to be cleaned by central controller by upper pressure difference switch
The passage that is connected with blow-off pipe of water inlet hydrodynamic(al) three-way valve switch to opening, intake tunnel is closed, the end
Portion's blowoff electromagnetic valve is closed, part water outlet the going out by tank body to be cleaned of other tank body in parallel with tank body to be cleaned
The mouth of a river enters wedge shape net filtration chamber, then is entered clear water collect cavity by wedge shape net filtration chamber, then enters one-level mistake by mozzle
Filter collect cavity, is carried out sandstone media filtration layer under the water distribution effect of filter cap, and sewage passes through side, sandstone media filtration chamber
Water inlet on wall enters blow-off pipe.
The ultimate principle of the present invention, principal character and advantage have more than been shown and described, without departing from the present invention spirit and
On the premise of scope, the present invention also has various changes and modifications, and these changes and improvements both fall within claimed invention
Scope.
Claims (1)
1. the operation method of a multistage composite type defecator, it is characterised in that include multiple tank body being connected in parallel with each other,
The inside of tank body is separated into sandstone media filtration chamber, wedge shape net filtration chamber and clear water by upper spacer and lower clapboard the most successively
Collect cavity, the wherein water-locator being arranged over being connected with water inlet in sandstone media filtration chamber, water inlet and water inlet hydrodynamic(al)
Three-way valve is connected, and two other interface of water inlet hydrodynamic(al) three-way valve is connected with blow-off pipe and water inlet pipe respectively, sandstone medium mistake
The inside of filter chamber is filled with sandstone media filtration layer by the sand loading hole on cavity wall, sets in the bottom of sandstone media filtration layer
Having a metafiltration cap, this filter cap is fixed on the upside of upper spacer, and the upper spacer relative with filter cap is provided with filtering holes；Wedge shape net filtration
Chamber is between upper spacer and lower clapboard, and wherein the upper end of wedge shape filter screen seals, and 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 filtering holes, and the top in wedge shape net filtration chamber is provided with for collecting sandstone media filtration
The single filter collect cavity of chamber water outlet, this single filter collect cavity is connected by mozzle with the clear water collect cavity below lower clapboard
Logical, the sidewall in wedge shape net filtration chamber is provided with outlet, and outlet is connected with outlet pipe, and outlet pipe is connected with drain sump；Clear water
The top of collect cavity is provided with U-shaped blow-off pipe that is relative with lower clapboard filtering holes and that be slidably matched with lower clapboard, and this U-shaped blow-off pipe leads to
Crossing shaft coupling to be fixed in rotating shaft, rotating shaft sequentially passes through the deceleration in wedge shape net filtration chamber and sandstone media filtration chamber and tank body top
Machine is connected, and reductor is connected with motor, and U-shaped blow-off pipe is connected with blowdown main, and this blowdown main catchments by being arranged at clear water
Axle bed bottom chamber extends to the outside of tank body, and this blowdown main is connected with cesspool by blowoff electromagnetic valve；Tank body
Outside is respectively equipped with pressure difference switch, lower pressure difference switch and switch board, wherein goes up one end of pressure difference switch by connecting tube and sand
Sandstone media filtration chamber above stone media filtration layer is connected, and the other end of upper pressure difference switch is by connecting tube and sandstone medium
Sandstone media filtration chamber bottom filter course is connected, and one end of lower pressure difference switch is by the inner side phase of connecting tube with wedge shape filter screen
Connection, the other end of lower pressure difference switch is connected by the outside of connecting tube with wedge shape filter screen, is provided with central authorities' control in switch board
Device and display screen, 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 are connected with motor, and tank base is provided with emptying valve, and the sidewall of clear water collect cavity is provided with maintenance
Hole, tank base is provided with bracing frame, and the carrying out practically process of this multistage composite type defecator is: first passed through by multiple tank bodies
Water inlet pipe and outlet pipe realize being connected in parallel, and normal filtration process is switched into mouth of a river hydrodynamic(al) three-way valve by central controller controls
Opening water inlet direction passage, bottom electromagnetism blowoff valve is closed, and water is distributed in sandstone media filtration layer by water-locator
Carrying out single filter, the water after filtration enters single filter collect cavity through filter cap, then enters clear water by mozzle and catchments
Chamber, water is by entering wedge shape net filtration chamber after wedge shape strainer filtering, then is entered out by the outlet on the sidewall of wedge shape net filtration chamber
Water pipe, the outlet of each tank body is collected to drain sump by outlet pipe, is finally entered next stage by drain sump and filters or straight
Connect toward irrigation pipe network；The backwash process of wedge shape filter screen, reports to the police to be cleaned by central controller controls by lower pressure difference switch
The water inlet hydrodynamic(al) three-way valve of tank body is closed, and blowoff electromagnetic valve is opened, and the part of other tank body in parallel with tank body to be cleaned goes out
Water is entered wedge shape net filtration chamber by the outlet of tank body to be cleaned, will be attached to wedge shape filter screen inwall by backwash wedge shape filter screen
On impurity rinse out and discharged by U-shaped blow-off pipe and blowdown main, by the U-shaped blow-off pipe of central controller controls driven by motor
Rotate to complete the cleaning process of different wedge shape filter screen；The backwash process of sandstone media filtration layer, by upper pressure difference switch report
Alert being switched to by the passage that the water inlet hydrodynamic(al) three-way valve of tank body to be cleaned is connected with blow-off pipe by central controller opens shape
State, intake tunnel is closed, and bottom blow-down electromagnetic valve is closed, other tank body in parallel with tank body to be cleaned
Part water outlet by tank body to be cleaned outlet enter wedge shape net filtration chamber, then by wedge shape net filtration chamber enter clear water catchment
Chamber, then enters single filter collect cavity by mozzle, carries out sandstone media filtration layer clearly under the water distribution effect of filter cap
Washing, sewage enters blow-off pipe by the water inlet on the sidewall of sandstone media filtration chamber.
Priority Applications (1)
| 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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| 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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| Publication Number | Publication Date |
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| CN105126437A CN105126437A (en) | 2015-12-09 |
| CN105126437B true CN105126437B (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510655764.9A Active CN105126437B (en) | 2015-10-12 | 2015-10-12 | Multi-stage composite filtration device |
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Families Citing this family (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 |
| 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 |
Family Cites Families (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 |
| JP4724688B2 (en) * | 2007-05-23 | 2011-07-13 | 株式会社トーケミ | Filtration device |
| 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 |
| 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 |
| CN104147842B (en) * | 2014-07-31 | 2015-08-26 | 中国农业科学院农田灌溉研究所 | A kind of composite multi-functional filter |
| 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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