CN204017527U - A kind of composite multi-functional filter - Google Patents

A kind of composite multi-functional filter Download PDF

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Publication number
CN204017527U
CN204017527U CN201420425837.6U CN201420425837U CN204017527U CN 204017527 U CN204017527 U CN 204017527U CN 201420425837 U CN201420425837 U CN 201420425837U CN 204017527 U CN204017527 U CN 204017527U
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China
Prior art keywords
wedge shape
tank body
pressure difference
media filtration
filter
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Withdrawn - After Issue
Application number
CN201420425837.6U
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Chinese (zh)
Inventor
翟国亮
蔡九茂
李莉
宗洁
张文正
李景海
邓忠
李迎
任方
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Farmland Irrigation Research Institute of CAAS
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Farmland Irrigation Research Institute of CAAS
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Priority to CN201420425837.6U priority Critical patent/CN204017527U/en
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Publication of CN204017527U publication Critical patent/CN204017527U/en
Withdrawn - After Issue legal-status Critical Current
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Abstract

The utility model discloses a kind of composite multi-functional filter, belong to filtration art.The technical solution of the utility model main points are: a kind of composite multi-functional filter, the inside of tank body is separated into sandstone media filtration chamber, wedge shape net formula filter chamber and clear water collect cavity by upper spacer and lower clapboard from top to bottom successively, the outside of tank body is respectively equipped with pressure difference switch, lower pressure difference switch and switch board, and the bottom of tank body is provided with tank body bracing frame.The utility model compact conformation, possesses the advantage of sandstone medium filter and brush type self-cleaning filter simultaneously, floor space is little, current are unobstructed, and the loss of flood peak is little, and automaticity is high, can realize uniform of application and aerating backwash simultaneously, improve the utilization ratio of equipment, reduced attached corollary equipment, cost-saving.

Description

A kind of composite multi-functional filter
Technical field
The utility model belongs to filtration art, is specifically related to a kind of composite multi-functional filter.
Background technology
At present, the filter of applying in field of agricultural irrigation mainly contains the forms such as laminated filter, sandstone medium filter, centrifugal filter and well strainer, when application, mainly adopt combining form to filter, for example sandstone medium filter coordinates laminated filter, centrifugal filter coordinates laminated filter, and sandrock filter coordinates well strainer etc.Monomer strainer is merely able to realize single filtering function, after applied in any combination, can meet actual filtration demand.But there are many drawbacks in the filter set of applied in any combination, filter the increase of progression, must increase pipeline and connect difficulty, pipe fitting is numerous and diverse various, has increased system cost, has increased the space of hold facility simultaneously.Pipe fitting increases, and pipeline increases, the bending of water flow passage, and the loss of flood peak that has increased filtration system, increases the supporting pump power of stem.Meanwhile, multistage filter, after filtering after a while, rinse, and progression is more, rinses separately the water consuming more, has increased when rinsing frequency and has also caused a large amount of water resource waste, and the service efficiency of equipment is reduced.Meanwhile, existing fertilization mode is mainly that note is fertile in pipeline, and in a lot of situations, fertilizer can not fully mix with water after injecting, and the plot fertilising causing is many, and the fertilising of some plot is few, has the fertile uneven problem of note.
Summary of the invention
The utility model provides a kind of composite multi-functional filter that sandstone medium filter and brush type self-cleaning filter are combined for overcoming the deficiencies in the prior art.
The technical solution of the utility model is: a kind of composite multi-functional filter, it is characterized in that: 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 formula filter chamber and clear water collect cavity, wherein the top in sandstone media filtration chamber is provided with the water-locator being connected with water inlet, water inlet is connected with water inlet hydrodynamic(al) three-way valve, the inside in sandstone media filtration chamber is filled with sandstone media filtration layer by the sand loading hole on cavity wall, bottom at sandstone media filtration layer is provided with one deck filter cap, this filter cap is fixed on the upside of upper spacer, wedge shape net formula filter chamber is between upper spacer and lower clapboard, wherein wedge shape filter screen is fixed on the downside of upper spacer by wedge shape filter screen fixed mount, outside at wedge shape filter screen is provided with hairbrush, this hairbrush is fixed on hairbrush fixed mount, the center of hairbrush fixed mount is fixed on screw shaft, the top of this screw shaft is screw rod, remainder is optical axis, screw shaft is connected with the reductor at tank body top through sandstone media filtration chamber, reductor is connected with motor, the extreme position that screw shaft moves is up and down respectively by upper and lower two approach switch controls, the stroke of screw shaft is consistent with the length of wedge shape filter screen, the bottom of wedge shape filter screen is provided with sewage suction device, this sewage suction device is made up of inside and outside two dirt sucking tubes, dirt sucking tube is connected with blow-off pipe respectively, on dirt sucking tube, be evenly equipped with aperture, blow-off pipe is drawn tank body and is connected with fertilizing pump or air pump with blowoff valve respectively by sewage draining exit triple valve, described fertilizing pump is connected with fertilizer spreading tank, clear water collect cavity is located at the downside of lower clapboard, is provided with delivery port in the bottom of clear water collect cavity, and the tank wall corresponding with wedge shape net formula filter chamber is provided with manhole, 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 of sandstone media filtration layer top by tube connector, the other end of upper pressure difference switch is connected with the sandstone media filtration chamber of sandstone media filtration layer bottom by tube connector, one end of described lower pressure difference switch is connected with the inner side of wedge shape filter screen by tube connector, the other end of lower pressure difference switch is connected with the outside of wedge shape filter screen by tube connector, in described switch board, be provided with central controller and display screen, this central controller is respectively by circuit and display screen, upper pressure difference switch, lower pressure difference switch, approach switch, motor, water inlet hydrodynamic(al) three-way valve, sewage draining exit triple valve, fertilizing pump, air pump is connected with blowoff valve, the bottom of tank body is provided with tank body bracing frame.
The utility model compact conformation, possesses the advantage of sandstone medium filter and brush type self-cleaning filter simultaneously, floor space is little, current are unobstructed, and the loss of flood peak is little, and automaticity is high, can realize uniform of application and aerating backwash simultaneously, improve the utilization ratio of equipment, reduced attached corollary equipment, cost-saving.
Brief description of the drawings
Fig. 1 is external structure figure of the present utility model, Fig. 2 is internal structure schematic diagram of the present utility model, Fig. 3 is the structural representation of the utility model dirt sucking tube, and Fig. 4 is the structural representation of the utility model hairbrush fixed mount, and Fig. 5 is the structural representation of the utility model lower clapboard.
Drawing explanation: 1, reductor, 2, screw shaft, 3, tank body, 4, sand loading hole, 5, manhole, 6, dirt sucking tube, 7, lower clapboard, 8, tank body bracing frame, 9, delivery port, 10, water inlet hydrodynamic(al) three-way valve, 11, water-locator, 12, filter cap, 13, upper spacer, 14, wedge shape filter screen fixed mount, 15, wedge shape filter screen, 16, hairbrush, 17, hairbrush fixed mount, 18, blowoff valve, 19, sewage draining exit triple valve, 20, fertilizing pump, 21, fertilizer spreading tank, 22, approach switch, 23, switch board, 24, upper pressure difference switch, 25, lower pressure difference switch.
Detailed description of the invention
Describe by reference to the accompanying drawings embodiment in detail.A kind of composite multi-functional filter, the inside of tank body 3 is divided into three layers of upper, middle and lowers from top to bottom, and upper strata is sandstone media filtration chamber, and centre is wedge shape net formula filter chamber, and bottom is clear water collect cavity.
Sandstone media filtration chamber is arranged at the upper sheaf space of upper spacer 13, tank body 3 water inlets, top are provided with water-locator 11, water inlet is broken up as far as possible uniformly, make the water that contains impurity can drop on uniformly the surface of sandstone media filtration layer, avoid impacting sandstone media filtration layer because current are concentrated, filtering layer is stirred, affect filter effect, the sidewall of tank body 3 is provided with sand loading hole 4.One deck filter cap 12 is arranged in the bottom of sandstone media filtration layer, is mainly used in isolating sandstone media filtration layer and collects the water after filtration, and filter cap 12 is arranged at the upside of upper spacer 13.Filter cap 12 pore size determine by the particle diameter of sandstone medium, and filter cap 12 quantity will match with the filtering traffic of whole filter, and too small words can cause the loss of flood peak to increase.Pressure difference switch 24 is equipped with in the outside of tank body 3, its one end connects sandstone media filtration layer top unfiltered water, the other end connects the water after filter sandstone media filtration layer below, carrying out after a period of time filtration, the impurity on sandstone media filtration layer surface can make the pressure reduction up and down of sandstone media filtration layer increase, in the time that pressure reduction reaches the setting value of upper pressure difference switch 24, start to carry out backwash.
Upper spacer 13 separates sandstone media filtration chamber and wedge shape net formula filter chamber.Wedge shape filter screen fixed mount 14, for wedge shape filter screen 15 being fixed on to the downside of upper spacer 13, can not cause and block water simultaneously.Brush type self-cleaning in the past filters to be from inside to outside and filters, and scrub direction for circumferentially scrubbing, forming actuating unit by top motor and speed reducer provides power, and rotates by central rotating shaft, make the brush circumferential movement in rotating shaft, filter screen inwall is scrubbed.Wedge shape filter screen of the present utility model 15 twines adopt that stainless steel material is cold rolling to be formed, and cross section is trapezoidal, and gap is outer narrow inner width, and filtering direction is ecto-entad.Twine vertically arranges, inwall is lined with Cross slat, carries out fastening to filter screen.Hairbrush 16 is fixed on hairbrush fixed mount 17, hairbrush fixed mount 17 centers are fixed on screw shaft 2, the top of this screw shaft 2 is screw rods, remainder is optical axis, drive up and down reciprocatingly rectilinear motion of screw shaft 2 by top reductor 1, hairbrush 16 is vertically scrubbed, fully impurity in cleaning net seam.The extreme position that screw shaft 2 moves up and down, is controlled by upper and lower two approach switchs 22, and the stroke of screw shaft 2 mates with the length of wedge shape filter screen 15.
Bottom at wedge shape filter screen 15 is provided with sewage suction device, and this device is made up of inside and outside two dirt sucking tubes 6, on dirt sucking tube 6, is evenly arranged aperture.Hairbrush 16 sinks on this dirt sucking tube 6 surfaces after the deposit on wedge shape filter screen 15 surfaces is scrubbed, in the time that outside blowoff valve 18 is opened, blowoff valve 18 external pressures are atmospheric pressure, and pressure is higher near the surperficial aperture of dirt sucking tube 6, can produce thus a kind of suction that is similar to negative pressure of vacuum suction, in near impurity intake line aperture, discharge by blowoff valve 18.A sewage draining exit triple valve 19 is housed before blowoff valve 18, this sewage draining exit triple valve 19 is provided with three passage A, B and C, in the time of normal blowdown, water (flow) direction is A → B, in the time being switched to C → A, C mouth can connect fertilizer spreading tank 21, utilizes fertilizing pump 20 that fertilizer is injected to C mouth, by dirt sucking tube 6 apertures, fertilizer is dissolved in water uniformly.The fertile mode of note in the past adopting is mainly that fertilizer is injected in pipeline, and this mode easily causes fertilizer can not fully mix with water, can cause the delivery port fertilising of pipeline upstream more, and downstream fertilising is less.Note after fertilizer simultaneously, also will on pipeline, increase first level filtering device.And this device just can fully be avoided drawback in the past, fertilizer is evenly applied in water by aperture, and filters by wedge shape filter screen 15.Except applying as fertilising, C mouth can also connect air pump, in the time that sandstone media filtration layer carries out backwash, to C mouth injecting gas, after gas is sneaked in water, discharge from the surperficial aperture of dirt sucking tube 6, the gas adding so disperses, be accompanied by backwashing water and make sandstone media filtration layer stirring by a small margin, fully friction between sandstone particle, making to stick to surperficial impurity departs from, can avoid aerating backwash in the past time, gas disperses not, pool together, in sandstone media filtration layer, easily discharge from a passage as an air pocket, only have surrounding's sandstone that bubble passes through to stir, other place cannot be stirred, cause cleaning dirty.So this dirt sucking tube 6 can use as blowdown, fertilising, three kinds of purposes of aerating simultaneously.For the wedge shape net formula filter chamber between upper spacer 13 and lower clapboard 7 carries out repair and maintenance, tank body 3 sidewalls corresponding with wedge shape net formula filter chamber are provided with manhole 5.Outside at wedge shape net formula filter chamber is provided with lower pressure difference switch 25, and one end of this lower pressure difference switch 25 is connected with the inner side of wedge shape filter screen 15 by tube connector, and the other end of lower pressure difference switch is connected with the outside of wedge shape filter screen 15 by tube connector.
Clear water collect cavity is located at the downside of lower clapboard 7, is provided with delivery port 9 in the bottom of clear water collect cavity, and the bottom of tank body 3 is provided with tank body bracing frame 8.Described switch board 23 is arranged at the outside of tank body 3, in it, be provided with central controller and display screen, this central controller is connected with blowoff valve 18 with display screen, upper pressure difference switch 24, lower pressure difference switch 25, approach switch 22, motor, water inlet hydrodynamic(al) three-way valve 10, sewage draining exit triple valve 19, fertilizing pump 20, air pump by circuit respectively.
When practical application, adopt the pattern using of multiple tank body 3 parallel runnings.Like this, in the time that one of them tank body 3 needs backwash, switch water inlet hydrodynamic(al) three-way valve 10 and change the direction of a stream of water, the clean water after other tank body 3 filters is used for backwash, carries out in turn.
First, water to be filtered flows in tank body from water inlet, through water-locator, water is trickled down to the surface at sandstone media filtration layer uniformly, impurity in water filters through sandstone media filtration layer, stay in filtering layer, the water filtering, through being arranged in the filter cap of upper spacer upside, flows into wedge shape net formula filter chamber after confluxing.Upper pressure difference switch high-pressure side is taken from filtering layer upper surface, low-pressure end is taken from after filtering layer, when filtering layer impurity deposits too much, will increase the loss of flood peak of sandstone media filtration layer, when before and after sandstone media filtration layer, pressure reduction reaches upper pressure difference switch setting value, send switching signal, switch board is just controlled water inlet hydrodynamic(al) three-way valve and is changed the flow direction, starts backwash process.Current ecto-entad flows through wedge shape filter screen, the fine impurities that upstream does not filter out and sandstone media filtration layer clash into the sandstone particulate producing, count the filtration of wedge shape filter screen through too high order, stay wedge shape filter screen outside, when accumulated impurity to a certain extent, when wedge shape filter screen inside and outside differential pressure increases to lower pressure difference switch setting value, just give signal of switch board, central controller is by electric motor starting, drive the upper and lower rectilinear motion of screw shaft, screw shaft lower end drags hairbrush fixed mount and hairbrush pumps, and wedge shape screen surface impurity is brushed down, and deposits on lower clapboard.Now, central controller is opened blowoff valve, and the inside and outside pressure differential that produces of tank can produce a swabbing action near dirt sucking tube, will be deposited in dirt sucking tube impurity inspiration pipe around, outside blowoff valve drain tank.
In the time that needs apply fertilizer, central controller is opened fertilizing pump, then open sewage draining exit triple valve, fertilizing pump lift will be higher than tank body internal pressure head, so just fertilizer can be sucked in tank body, evenly be diffused in tank body by the aperture on dirt sucking tube, then, by wedge shape strainer filtering, deliver to field pipeline from delivery port.
More than show and described general principle of the present utility model; principal character and advantage; do not departing under the prerequisite of the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall into claimed scope of the present utility model.

Claims (2)

1. a composite multi-functional filter, it is characterized in that: the inside of tank body is separated into sandstone media filtration chamber, wedge shape net formula filter chamber and clear water collect cavity by upper spacer and lower clapboard from top to bottom successively, wherein the top in sandstone media filtration chamber is provided with the water-locator being connected with water inlet, water inlet is connected with water inlet hydrodynamic(al) three-way valve, the inside in sandstone media filtration chamber is filled with sandstone media filtration layer by the sand loading hole on cavity wall, bottom at sandstone media filtration layer is provided with one deck filter cap, and this filter cap is fixed on the upside of upper spacer, wedge shape net formula filter chamber is between upper spacer and lower clapboard, wherein wedge shape filter screen is fixed on the downside of upper spacer by wedge shape filter screen fixed mount, outside at wedge shape filter screen is provided with hairbrush, this hairbrush is fixed on hairbrush fixed mount, the center of hairbrush fixed mount is fixed on screw shaft, the top of this screw shaft is screw rod, remainder is optical axis, screw shaft is connected with the reductor at tank body top through sandstone media filtration chamber, reductor is connected with motor, the extreme position that screw shaft moves is up and down respectively by upper and lower two approach switch controls, the stroke of screw shaft is consistent with the length of wedge shape filter screen, the bottom of wedge shape filter screen is provided with sewage suction device, this sewage suction device is made up of inside and outside two dirt sucking tubes, dirt sucking tube is connected with blow-off pipe respectively, on dirt sucking tube, be evenly equipped with aperture, blow-off pipe is drawn tank body and is connected with fertilizing pump or air pump with blowoff valve respectively by sewage draining exit triple valve, described fertilizing pump is connected with fertilizer spreading tank, clear water collect cavity is located at the downside of lower clapboard, is provided with delivery port in the bottom of clear water collect cavity, 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 of sandstone media filtration layer top by tube connector, the other end of upper pressure difference switch is connected with the sandstone media filtration chamber of sandstone media filtration layer bottom by tube connector, one end of described lower pressure difference switch is connected with the inner side of wedge shape filter screen by tube connector, the other end of lower pressure difference switch is connected with the outside of wedge shape filter screen by tube connector, in described switch board, be provided with central controller and display screen, this central controller is respectively by circuit and display screen, upper pressure difference switch, lower pressure difference switch, approach switch, motor, water inlet hydrodynamic(al) three-way valve, sewage draining exit triple valve, fertilizing pump, air pump is connected with blowoff valve, the bottom of tank body is provided with tank body bracing frame.
2. composite multi-functional filter according to claim 1, is characterized in that: the tank wall corresponding with wedge shape net formula filter chamber is provided with manhole.
CN201420425837.6U 2014-07-31 2014-07-31 A kind of composite multi-functional filter Withdrawn - After Issue CN204017527U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN105293736A (en) * 2015-11-17 2016-02-03 华北水利水电大学 Mountain spring water pretreatment device and mountain spring water pretreatment method
CN107456806A (en) * 2017-09-11 2017-12-12 中国农业大学 A kind of combined filter and modular filtration system
CN113001838A (en) * 2021-03-02 2021-06-22 南丰县乾泰再生资源回收利用有限公司 Even heating device to polyester chip
CN117618999A (en) * 2024-01-25 2024-03-01 四川贝克森云灌溉科技有限公司 Automatic backwash sand stone type and lamination type combined filtering system for reservoir

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
CN105293736A (en) * 2015-11-17 2016-02-03 华北水利水电大学 Mountain spring water pretreatment device and mountain spring water pretreatment method
CN107456806A (en) * 2017-09-11 2017-12-12 中国农业大学 A kind of combined filter and modular filtration system
CN113001838A (en) * 2021-03-02 2021-06-22 南丰县乾泰再生资源回收利用有限公司 Even heating device to polyester chip
CN113001838B (en) * 2021-03-02 2022-10-11 南丰县乾泰再生资源回收利用有限公司 Even heating device to polyester chip
CN117618999A (en) * 2024-01-25 2024-03-01 四川贝克森云灌溉科技有限公司 Automatic backwash sand stone type and lamination type combined filtering system for reservoir

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AV01 Patent right actively abandoned

Granted publication date: 20141217

Effective date of abandoning: 20150826

AV01 Patent right actively abandoned

Granted publication date: 20141217

Effective date of abandoning: 20150826

RGAV Abandon patent right to avoid regrant