CN207235434U - One kind irrigates returning to the field filtration system - Google Patents
One kind irrigates returning to the field filtration system Download PDFInfo
- Publication number
- CN207235434U CN207235434U CN201720418298.7U CN201720418298U CN207235434U CN 207235434 U CN207235434 U CN 207235434U CN 201720418298 U CN201720418298 U CN 201720418298U CN 207235434 U CN207235434 U CN 207235434U
- Authority
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- China
- Prior art keywords
- irrigation
- filter
- returning
- liquid manure
- organic liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 39
- 239000007788 liquid Substances 0.000 claims abstract description 73
- 238000003973 irrigation Methods 0.000 claims abstract description 70
- 230000002262 irrigation Effects 0.000 claims abstract description 70
- 210000003608 fece Anatomy 0.000 claims abstract description 63
- 239000010871 livestock manure Substances 0.000 claims abstract description 62
- 238000004140 cleaning Methods 0.000 claims abstract description 34
- 238000010790 dilution Methods 0.000 claims description 20
- 239000012895 dilution Substances 0.000 claims description 20
- 238000007667 floating Methods 0.000 claims description 15
- 230000000903 blocking effect Effects 0.000 abstract description 5
- 239000000356 contaminant Substances 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 19
- 239000012535 impurity Substances 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000005416 organic matter Substances 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000013618 particulate matter Substances 0.000 description 4
- 244000144977 poultry Species 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 244000144972 livestock Species 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 239000006004 Quartz sand Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010564 aerobic fermentation Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000000855 fermentation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000287828 Gallus gallus Species 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011456 concrete brick Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003895 organic fertilizer Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
Abstract
It the utility model is related to agricultural irrigation technology, returning to the field filtration system is irrigated more particularly, to one kind, especially a kind of organic liquid manure irrigates returning to the field filtration system, including organic liquid manure conveying device, filtration apparatus, irrigation equipment, the filtration apparatus includes sandrock filter and self-cleaning piping filter connected in sequence with the organic liquid manure conveying device；The irrigation equipment is connected with the self-cleaning piping filter.For existing primary filter, the utility model is by the way of sandrock filter and self-cleaning piping filter are combined, so based on produced problem during liquid manure returning to the field, blocking of the particulate contaminant to irrigation conduit can be effectively reduced, ensures that organic liquid manure irrigates the high-efficiency operation of returning to the field system.
Description
Technical field
Agricultural irrigation technology is the utility model is related to, returning to the field filtration system is irrigated more particularly, to one kind.
Background technology
With poultry industry is intensive, large-scale development, the pollution problem of livestock and poultry cultivation waste becomes a great ring
Border problem.Nowadays, livestock and poultry feces have been increasingly becoming solution pollution effective way as the irrigation returning to the field of organic fertilizer, while can be with
The use of a large amount of chemical fertilizer is reduced, it is both economically and environmentally beneficial.
At present, livestock and poultry cultivation waste generally goes through the process such as anaerobic fermentation, aerobic fermentation, precipitation, harmless treatment
After flow into organic liquid manure storage pool, through storing after a while, by pump directly through sprinkling irrigation or trickle irrigation returning to the field.Process treatment process
Middle liquid manure only passes through primary filter, and the liquid manure after processing still contains a large amount of impurity and organic particulate matter, sprinkling irrigation especially trickle irrigation
Pipeline, in use for some time, can grow moss, nozzle (water dropper) is often blocked by impurity and particulate matter, spray inside pipeline
The blocking that drip irrigation equipment locks into pipeline or nozzle (water dropper) is filled, shutdown of having to is cleaned or replaced, working service work
It is cumbersome, seriously constrain agricultural automation and irrigate production efficiency.
Utility model content
The purpose of this utility model is to provide one kind to irrigate returning to the field filtration system, to solve in prior art processing procedure
Liquid manure only passes through primary filter, and the liquid manure after processing still contains a large amount of impurity and organic particulate matter, so as to cause sprinkling irrigation, trickle irrigation
Equipment locks into the blocking of pipeline, nozzle or water dropper, and shutdown of having to is cleaned or replaced, working service intricate operation, sternly
The technical problem that production efficiency is irrigated in agricultural automation is constrained again.
In order to solve the above technical problems, the utility model provides a kind of irrigation returning to the field filtration system, it includes：
Organic liquid manure conveying device；
Filtration apparatus, including sandrock filter connected in sequence with the organic liquid manure conveying device and self-cleaning pipeline mistake
Filter；
Irrigation equipment, the irrigation equipment are connected with the self-cleaning piping filter.
Further, the irrigation equipment includes trickle irrigation, and the trickle irrigation is connected with the self-cleaning piping filter.
Further, the irrigation equipment includes sprinkling irrigation, and the sprinkling irrigation is connected with the sandrock filter.
Further, the sandrock filter includes the first sandstone filter element being sequentially connected and the filtering of the second sandstone is single
Member, the input terminal of the first sandstone filter element are connected with organic liquid manure conveying device, and the second sandstone filtering is single
The output terminal of member is split into two paths, wherein a paths are connected with the self-cleaning piping filter, another paths and
The sprinkling irrigation connection.
Further, organic liquid manure conveying device include be sequentially connected organic liquid manure pond, pontoon pump assembly, dilution
Case and elevator pump, the pontoon pump assembly is arranged in organic liquid manure pond, and is connected with one end of the dilution tank, described
The other end of dilution tank is connected by elevator pump with the sandrock filter.
Further, the pontoon pump assembly includes：Floating drum, dredge pump and frame, the frame are arranged at the floating drum
On, the dredge pump is wholely set with the frame.
Further, the pontoon pump assembly includes：Floating drum, dredge pump and frame, the frame are arranged at the floating drum
On, the dredge pump is separately set with the frame.
Further, the suction inlet of the dredge pump is arranged at 200-400mm below the liquid level in organic liquid manure pond.
Further, it is provided with liquid level gauge in the dilution tank.
Further, which further includes switch board, and the switch board is conveyed with organic liquid manure
Device, sandrock filter and the communication connection of self-cleaning piping filter.
Using above-mentioned technical proposal, the utility model has the advantages that：
The utility model provides a kind of irrigation returning to the field filtration system, increases between organic liquid manure conveying device and irrigation equipment
Filtration apparatus is added, for existing primary filter, the utility model uses sandrock filter and self-cleaning filter pipeline
The mode that device is combined, this is to be based on produced problem during liquid manure returning to the field, can effectively reduce particulate contaminant to irrigating
The blocking of pipeline, ensures that organic liquid manure irrigates the high-efficiency operation of returning to the field system.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, describe below
In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the structure principle chart for the irrigation returning to the field filtration system that the utility model embodiment provides；
Fig. 2 is the schematic diagram of the pontoon pump assembly for the integral type that the utility model embodiment provides；
Fig. 3 is the schematic diagram for the split type pontoon pump assembly that the utility model embodiment provides；
Fig. 4 is the fundamental diagram that the utility model irrigates returning to the field filtration system operating mode a；
Fig. 5 is the fundamental diagram that the utility model irrigates returning to the field filtration system operating mode b.
Reference numeral：
1- dredge pumps；2- liquid level gauges；3- elevator pumps；
4- first pressure sensors；5- blowdown valves；The first backwash valves of 6-；
The second backwash valves of 7-；8- second pressure sensors；The 3rd backwash valves of 9-；
The 4th backwash valves of 10-；The 3rd pressure sensors of 11-；The 4th pressure sensors of 12-；
13- frames；14- floating drums.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet
Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality
Novel protected scope.
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be appreciated that herein
Described embodiment is only used for describing and explaining the present invention, and is not intended to limit the present invention.
With reference to shown in Fig. 1, the present embodiment provides one kind to irrigate returning to the field filtration system, it includes：
Organic liquid manure conveying device, for storing, handling and transporting organic liquid manure；
Filtration apparatus, including sandrock filter connected in sequence with the organic liquid manure conveying device and self-cleaning pipeline mistake
Filter；
Irrigation equipment, the irrigation equipment are connected with the self-cleaning piping filter.
It is understood that organic liquid manure conveying device is used to storing, handle and transporting organic liquid manure, sandrock filter
Realize that irrigation equipment is for spraying or dripping to organic liquid manure progress high efficiency filter by cooperating with self-cleaning piping filter
Fill.In this way, for compared with the prior art, it can effectively solve liquid manure in prior art processing procedure and only pass through primary filter,
Liquid manure after processing still contains a large amount of impurity and organic particulate matter, and sprinkling irrigation, drip irrigation equipment lock into pipeline, nozzle or water dropper
Block, shutdown of having to is cleaned or replaced, working service intricate operation, is seriously constrained agricultural automation and is irrigated production effect
The technical problem of rate.
In the present embodiment, for irrigation equipment, trickle irrigation and/or sprinkling irrigation can be included；It is it is understood that described
The meaning to be expressed of "and/or" is：
A is defined as using " irrigation equipment is trickle irrigation ", b is defined as using " irrigation equipment is sprinkling irrigation ", wherein, a and/or b institutes group
Into technical solution include：First, simultaneous selection a and b；2nd, a is individually selected；3rd, b is individually selected.
Specifically, the irrigation equipment includes trickle irrigation, and the trickle irrigation is connected with the self-cleaning piping filter.Further
Ground, the irrigation equipment include sprinkling irrigation, and the sprinkling irrigation is connected with the sandrock filter.
It is organic liquid manure pond that organic liquid manure conveying device includes being sequentially connected, pontoon pump assembly, dilute in the present embodiment
Case and elevator pump 3 are released, the pontoon pump assembly is arranged in organic liquid manure pond, and is connected with one end of the dilution tank,
The other end of the dilution tank is connected by elevator pump 3 with the sandrock filter.
Wherein, the organic liquid manure stored in organic liquid manure pond is by anaerobic fermentation, aerobic fermentation, precipitation, innoxious place
Liquid is produced after the process such as reason, and period of storage, more than 3 months, the source of organic liquid manure can be pig farm, support
The liquid manure that chicken house, vaccary produce.
With reference to shown in Fig. 2-3, pontoon pump assembly can be divided into two kinds according to the mounting means of dredge pump 1:A kind of dredge pump 1 with
Pontoon is wholely set, and another kind is that dredge pump 1 is separately set with pontoon.
The first, the pontoon pump assembly includes：Floating drum 14, dredge pump 1 and frame 13, the frame 13 are arranged at described
On floating drum 14, the dredge pump 1 is wholely set with the frame 13.
Second, the pontoon pump assembly includes：Floating drum 14, dredge pump 1 and frame 13, the frame 13 are arranged at described
On floating drum 14, the dredge pump 1 is separately set with the frame 13.
Further, the suction inlet of the dredge pump 1 is arranged at 200-400mm below the liquid level in organic liquid manure pond,
To ensure to extract the supernatant liquor in organic liquid manure pond, the blocked wind of sandrock filter and self-cleaning piping filter is reduced
Danger, extends the service life of filter.
Preferably, liquid level gauge 2 is provided with the dilution tank.Dilution trap is that organic liquid manure is carried out to be watered diluted water
Case, sink or container, dilution ratio 1:3-6, is provided with liquid level gauge 2 in dilution trap, facilitates realization to automatically control, dilution trap also may be used
To be that concrete brick mixes pond.
Wherein, elevator pump 3 provides power source for the conveying of organic liquid manure, ensures the pressure and traffic demand of follow-up equipment,
And realize that frequency conversion operates by automatic control system, elevator pump 3 can be centrifugal pump, screw pump, diaphragm pump.
In the present embodiment, the sandrock filter includes the first sandstone filter element being sequentially connected and the filtering of the second sandstone
Unit, the input terminal of the first sandstone filter element are connected with organic liquid manure conveying device, the second sandstone filtering
The output terminal of unit is split into two paths, wherein a paths are connected with the self-cleaning piping filter, another paths
Connected with the sprinkling irrigation.
Sandrock filter is used to filtering out the impurity such as floating material in organic liquid manure, organic matter, I grade, II sandrock filter leads to
The quartz sand for loading different-grain diameter is crossed, more than 80% floating material, organic matter in organic liquid manure, I grade, II sandstone mistake can be filtered out
The built-in quartz sand particle size 0.5-6mm of filter, can realize that automatic/hand backwashes by matching automatic/hand backwash valve.Its
In, the first sandstone filter element has the first backwash valve 6 and the second backwash valve 7；Accordingly, the second sandstone filter element has
There are the 3rd backwash valve 9 and the 4th backwash valve 10.
The built-in stainless steel steel wire rack of self-cleaning piping filter, belongs to one kind of well strainer, mesh diameter 60 mesh-
Between 150 mesh, self-cleaning mechanism is inside set, without extra power, automatic backwash, net can be achieved by itself current and pressure
Formula filter can filter out the inorganic granular thing such as sandstone, filter out efficiency more than 80%.
Sandrock filter is adapted to filter out organic matter, and for inorganic particulate impurity, but incapability is due to hole is big
Power；Horizontal self-cleaning piping filter is adapted to filter out inorganic particulate impurity, helpless for organic matter, because stainless steel
Steel wire rack is easy to by organic matter paste extremely, and is rushed and can't be washed off；Therefore both are used in combination with, can be to avoid organic growth
Moss pastes dead irrigation conduit, while can also prevent inorganic particulate impurity clogging drip irrigation pipeline.
What deserves to be explained is sandrock filter can continue to use structure of the prior art with self-cleaning piping filter, can
To use the structure after improving.
Illustrated with self-cleaning piping filter, it includes：Filtration fraction and self-cleaning mechanism, the filter house
Divide and include at least the first filter net device；The self-cleaning mechanism includes：Slot suction nozzle, Water collecting tube and driving device, it is described to catchment
Cylinder is rotatablely arranged in first filter net device, and the slot suction nozzle is fixed on the outer arm of the Water collecting tube, described
Slot suction nozzle has along the axially extending linear suction inlet of the Water collecting tube, and the driving device is used to drive the Water collecting tube to carry out
Rotate, so that the slot suction nozzle can cover the inner surface of first filter net device.Further, the driving device bag
Include：Hydro powered pipe and rotation support, and the hydro powered pipe is vertically installed on the Water collecting tube, and in the hydro powered
The side surface of pipe offers the opposite sewage draining exit of both direction；Each inner cavity of the sewage draining exit with the Water collecting tube connects；It is described
Rotation support includes：It is arranged at the shaft of hydro powered pipe one end and is arranged at the mandril of the hydro powered pipe other end.
The housing parts have water inlet cavity, water outlet cavity and the blowdown cavity set gradually；The first strainer dress
Install and be placed in the water chamber body, and be cylindrical in shape distribution；The hydro powered pipe is arranged in the blowdown chamber body, certainly,
Blowdown valve 5 is connected with blowdown cavity.Further, the filtration fraction further includes：Second filter net device, second filter
Net device is arranged in the intake antrum body, and is cylindrical in shape distribution；Wherein, first filter net device filters for essence, and described the
Two filter net devices are coarse filtration, and second filter net device is connected with the inner cavity of first filter net device.
Further, the installation for installing the shaft is provided between the water inlet cavity and the water outlet cavity
Hole, is provided with the mounting hole for installing the mandril on the side wall of the blowdown cavity.
Certainly, in the present embodiment, multiple sensor components are further included, such as：Filtered in 3 and first sandstone of elevator pump single
First pressure sensor 4 is set on the pipeline between member；Between the first sandstone filter element and the second sandstone filter element
Second pressure sensor 8 is set on pipeline；Set on pipeline between the second sandstone filter element and self-cleaning piping filter
Put the 3rd pressure sensor 11；4th pressure sensor 12 is set on the pipeline between self-cleaning piping filter and trickle irrigation.
In the present embodiment, which further includes switch board, and the switch board and organic liquid manure are defeated
Send device, sandrock filter and the communication connection of self-cleaning piping filter.Switch board (automatic control box) inside PLC, frequency converter
And touch-screen, its function are as follows:
A. the size according to organic liquid manure dilution ratio, control of sewage disposal pump 1 operate under certain frequency and flow；
B. the size of flow and pressure is irrigated according to organic liquid manure, control elevator pump 3 operates under corresponding frequency；
C. according to the change of dilution tank liquid level, the unlatching and shutdown of elevator pump 3 are automatically controlled, and prevents dilution trap in low liquid
Elevator pump 3 evacuates during position；
D. according to the fed back difference of pressure sensor, sandrock filter and horizontal self-cleaning piping filter is controlled to realize certainly
Dynamic or manual backwashing.
With reference to shown in Fig. 4-5, irrigate returning to the field filtration system the present embodiment provides one kind and contain two kinds of operating modes:
The first, organic liquid manure irrigates returning to the field operating mode a
Organic liquid manure sequentially enters pontoon pump assembly, dilution tank, elevator pump 3, the first sandstone filtering list from organic liquid manure pond
Member, the second sandstone filter element, sprinkling irrigation/self-cleaning piping filter and trickle irrigation.
Second, clear water flushing pipe operating mode b
Clear water sequentially enter dilution tank, elevator pump 3, the first sandstone filter element, the second sandstone filter element, sprinkling irrigation/from
Cleaning pipes filter and trickle irrigation.
In above-mentioned operating mode, organic liquid manure is irrigated returning to the field and is terminated every time, is required for being rinsed system with clear water, prevents
Moss or crystallization are only grown after remaining liquid manure extended stationary periods, is had a negative impact to system operation next time, that is, Working mould
After the completion of formula a, need to run operating mode b.
To sum up, the present embodiment provides one kind to irrigate returning to the field filtration system, organic liquid manure conveying device and irrigation equipment it
Between increase filtration apparatus, for existing primary filter, the utility model uses sandrock filter and self-cleaning pipeline mistake
The mode that filter is combined, is so based on produced problem during liquid manure returning to the field, can effectively reduce particulate contaminant to filling
The blocking of pipeline is irrigate, ensures that organic liquid manure irrigates the high-efficiency operation of returning to the field system.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, those of ordinary skill in the art should
Understand：It can still modify the technical solution described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical solution of type.
Claims (9)
1. one kind irrigates returning to the field filtration system, it is characterised in that including：
Organic liquid manure conveying device, organic liquid manure conveying device include be sequentially connected organic liquid manure pond, pontoon pump assembly,
Dilution tank and elevator pump, the pontoon pump assembly is arranged in organic liquid manure pond, and is connected with one end of the dilution tank,
The other end of the dilution tank is connected by elevator pump with sandrock filter；
Filtration apparatus, including sandrock filter connected in sequence with the organic liquid manure conveying device and self-cleaning filter pipeline
Device；
Irrigation equipment, the irrigation equipment are connected with the self-cleaning piping filter.
2. irrigation returning to the field filtration system according to claim 1, it is characterised in that the irrigation equipment includes trickle irrigation, institute
Trickle irrigation is stated to be connected with the self-cleaning piping filter.
3. irrigation returning to the field filtration system according to claim 2, it is characterised in that the irrigation equipment includes sprinkling irrigation, institute
Sprinkling irrigation is stated to be connected with the sandrock filter.
4. irrigation returning to the field filtration system according to claim 3, it is characterised in that the sandrock filter includes phase successively
Even the first sandstone filter element and the second sandstone filter element, the input terminal of the first sandstone filter element with it is described organic
Liquid manure conveying device connects, and the output terminal of the second sandstone filter element is split into two paths, wherein a paths and institute
The connection of self-cleaning piping filter is stated, another paths are connected with the sprinkling irrigation.
5. irrigation returning to the field filtration system according to claim 1, it is characterised in that the pontoon pump assembly includes：Floating drum,
Dredge pump and frame, the frame are arranged on the floating drum, and the dredge pump is wholely set with the frame.
6. irrigation returning to the field filtration system according to claim 1, it is characterised in that the pontoon pump assembly includes：Floating drum,
Dredge pump and frame, the frame are arranged on the floating drum, and the dredge pump is separately set with the frame.
7. the irrigation returning to the field filtration system according to claim 5 or 6, it is characterised in that the suction inlet of the dredge pump is set
It is placed in 200-400mm below the liquid level in organic liquid manure pond.
8. irrigation returning to the field filtration system according to claim 1, it is characterised in that be provided with liquid level in the dilution tank
Meter.
9. irrigation returning to the field filtration system according to claim 1, it is characterised in that further include switch board, the switch board
Communicate and connect with organic liquid manure conveying device, sandrock filter and self-cleaning piping filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720418298.7U CN207235434U (en) | 2017-04-19 | 2017-04-19 | One kind irrigates returning to the field filtration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720418298.7U CN207235434U (en) | 2017-04-19 | 2017-04-19 | One kind irrigates returning to the field filtration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207235434U true CN207235434U (en) | 2018-04-17 |
Family
ID=61875500
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720418298.7U Expired - Fee Related CN207235434U (en) | 2017-04-19 | 2017-04-19 | One kind irrigates returning to the field filtration system |
Country Status (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106973611A (en) * | 2017-04-19 | 2017-07-25 | 北京通捷智慧水务股份有限公司 | One kind irrigates returning to the field filtration system |
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2017
- 2017-04-19 CN CN201720418298.7U patent/CN207235434U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106973611A (en) * | 2017-04-19 | 2017-07-25 | 北京通捷智慧水务股份有限公司 | One kind irrigates returning to the field filtration system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180417 |