CN109879461A - A kind of water for irrigation processing system - Google Patents

A kind of water for irrigation processing system Download PDF

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Publication number
CN109879461A
CN109879461A CN201910223834.1A CN201910223834A CN109879461A CN 109879461 A CN109879461 A CN 109879461A CN 201910223834 A CN201910223834 A CN 201910223834A CN 109879461 A CN109879461 A CN 109879461A
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CN
China
Prior art keywords
water
shell
pond
filter
pipe
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Pending
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CN201910223834.1A
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Chinese (zh)
Inventor
张泉
祝蔚晨
胡敏
黄晖晖
申屠伟飞
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Hangzhou Yuan Jing Built Environment Co Ltd
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Hangzhou Yuan Jing Built Environment Co Ltd
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Priority to CN201910223834.1A priority Critical patent/CN109879461A/en
Publication of CN109879461A publication Critical patent/CN109879461A/en
Pending legal-status Critical Current

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Abstract

The present invention relates to a kind of water for irrigation processing systems comprising mutually independent river water processing equipment line and water treatment equipment line;The end of river water processing equipment line and the end of water treatment equipment line are pooled to and converge in pond;River water processing equipment line includes the sedimentation basin and filter device for being sequentially communicated setting, and river water successively passes through sedimentation basin and filter device and is pooled to and converges in pond;Water treatment equipment line includes purification device, and tap water is transported to after purification device to be converged in pond.River water processing equipment line is arranged in the present invention and water treatment equipment line is respectively handled river water and tap water, then converges to and converges in pond for use, reduces the injury to irrigation system and plant.

Description

A kind of water for irrigation processing system
Technical field
The present invention relates to the technical fields of the processing of irrigating plant water, more particularly, to a kind of water for irrigation processing system System.
Background technique
In order to save water resource and improve the utilization rate of water resource, often using river water and tap water jointly to plant It is poured.But contain a large amount of silt and a small amount of floating material in river water, it will cause the blocking of irrigation system, and originally Water is by disinfection by chlorine, that is to say, that chlorine and chlorine containing dissolution in tap water react the sulphoxylic acid generated with water Root can damage plant.
It needs to research and develop a kind of water for irrigation processing system, river water and tap water is handled, to pour plant It fills.
Summary of the invention
The object of the present invention is to provide a kind of water for irrigation processing systems, can remove the solid impurity in river water, and The chloride ion in tap water is removed, so that the requirement of water for irrigation can be met after river water and tap water mixing.
Foregoing invention purpose of the invention has the technical scheme that
A kind of water for irrigation processing system, including mutually independent river water processing equipment line and water treatment equipment line;It is described The end of river water processing equipment line and the end of water treatment equipment line are pooled to and converge in pond;The river water processing equipment line Sedimentation basin and filter device including being sequentially communicated setting, the river water successively pass through sedimentation basin and filter device and are pooled to It closes in pond;The water treatment equipment line includes purification device, and the tap water is transported to after purification device converges pond It is interior.
By using above-mentioned technical proposal, river water successively by precipitating and filtering, can remove the solid impurity in river water, Then it is collected into and converges in pond for use.Tap water by after the purification of purification device, remove the internal overwhelming majority chlorine and Then sulphoxylic acid root is collected into and converges pond moderate rain river water and mixed, for use.
The present invention is further arranged to: overflow port, and the precipitating are offered on one of side wall of the sedimentation basin The side that pond offers overflow port is connected with collecting pit;It is entered in collecting pit and is collected by the river water that overflow port flows out; It is fixed with filter plate in the middle part of the collecting pit, collecting pit is divided into two parts;It is communicated with outlet pipe on the side wall of collecting pit, And the overflow port and outlet pipe are located at the two sides of filter plate;Multiple limbers are offered on the filter plate.
By using above-mentioned technical proposal, the river water in sedimentation basin is entered by precipitating, flows out to collection from overflow port The biggish solid impurity of quality in river water can be deposited in sedimentation basin by Chi Zhong.Then river water passes through the water flowing on filter plate Hole, then be discharged by outlet pipe.Filter plate can filter out the impurity of surfactant suspension in river water, to improve the cleaning of river water Degree.
The present invention is further arranged to: the filter device includes closing and hollow shell, the outlet pipe are connected to The top position of shell;By-pass filtration component is had additional at the top of the shell, the by-pass filtration component includes being fixed on shell Overhead guard on body roof offers the filter hole of multiple perforations on the overhead guard side wall;The roof of the overhead guard inner wall and shell Between be folded with filter cotton, nozzle setting of the filter cotton face outlet pipe on shell.
By using above-mentioned technical proposal, further river water is purified, is poured so that the impurity in river water be avoided to block Fill system.
The present invention is further arranged to: point water plate is additionally provided between the filter cotton and outlet pipe, the point water plate is in Top opening and hollow setting;The top of the point water plate is pushed against on the roof of shell, and the bottom of the point water plate opens up There is the tapping hole of multiple perforation settings.
By using above-mentioned technical proposal, since the nozzle sizes of outlet pipe are limited, river water is concentrated in the pipe of outlet pipe Mouth position discharge, so that filter cotton concentrates on close to the position of outlet pipe the filtration of river water.And the setting of point water plate, energy Outlet pipe is enough drained into the intracorporal water of shell to break up, to expand the contact area of river water and filter cotton, and then is improved Filter effect.
The present invention is further arranged to: the shell and converging is connected between pond by the first collecting pipe, in the shell Have additional the secondary filtration component with the cooperation of enclosure interior section;The secondary filtration component is located at the first collecting pipe and level-one mistake It filters between component;The secondary filtration component includes two layers of resin plate and the activated carbon fibre that is located between two layers of resin plate Layer, the drainage hole of multiple perforations is offered on the resin plate.
By using above-mentioned technical proposal, the filter effect to river water is further increased.
The present invention is further arranged to: the roof of the shell is provided with maintenance door, between the outlet pipe and maintenance door It is fixed by flange;The top of the overhead guard and the sidewall thread of maintenance door cooperate;It is described when the maintenance door is opened Maintenance door drives overhead guard to leave shell.
By using above-mentioned technical proposal, inspection and maintenance is carried out convenient for the structure to enclosure interior, and convenient for top The installation and removal of cover, consequently facilitating being replaced to filter cotton.
The present invention is further arranged to: the purification device includes the processing cabinet of closing and inner hollow, the processing Be internally provided with and its of cabinet are in the isolation cover being wholely set;It is formed with cavity between the isolation cover and processing cabinet, institute It states and is provided with heating and thermal insulation component in cavity;Water inlet pipe for inputting tap water is connected on the isolation cover and for exporting Second collecting pipe of tap water, second collecting pipe are connected to pond is converged;The top of the isolation cover is also communicated with exhaust pipe.
By using above-mentioned technical proposal, tap water is heated, so that the hypochlorous acid in tap water decomposes, and will The chlorine being decomposed to form is discharged by exhaust pipe.
The present invention is further arranged to: the heating and thermal insulation component includes the asbestos being fixed on the processing cabinet wall Insulating layer is equipped with heating wire between the asbestos insulating layer and isolation cover outer wall;The heating wire is electrically connected in power supply system.
By using above-mentioned technical proposal, heating and thermal insulation effect is improved.
The present invention is further arranged to: mixing component is had additional inside the isolation cover, the mixing component includes rotation The agitating shaft being connected on the isolation cover;The top of the agitating shaft passes through isolation cover and is connected with driving motor, the drive Dynamic motor is fixed on the outer wall of processing cabinet;The paddle rotated synchronously with agitating shaft is fixed on the agitating shaft.
By using above-mentioned technical proposal, tap water is stirred, a small amount of chlorine dissolved in tap water can be taken off From tap water, and it is connected to the chlorine being decomposed to form and is discharged together.
The present invention is further arranged to: the exhaust pipe is connected with gas treatment case far from one end of processing cabinet;It is described Gas treatment case inner containment has akaline liquid, and the end of the exhaust pipe extend into the liquid level of akaline liquid or less;It is described Gas outlet pipe is also connected at the top of gas treatment case.
By using above-mentioned technical proposal, akaline liquid can absorb chlorine, forming salt, to reduce to environment Pollution.
In conclusion advantageous effects of the invention are as follows:
1. setting river water processing equipment line and water treatment equipment line are respectively handled river water and tap water, then converge It is stand-by in pond to converging, reduce the injury to irrigation system and plant;
2. setting sedimentation basin, collecting pit, by-pass filtration component and secondary filtration component are filtered river water, improve and use The cleanliness of river water;
3. a pair tap water stirs and heats, so that the hypochlorous acid in tap water is decomposed and is discharged from tap water, then pass through Alkaline solution absorption.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is the schematic diagram of internal structure of collecting pit.
Fig. 3 is the schematic diagram of internal structure of filter device.
Fig. 4 is the schematic diagram of internal structure for handling cabinet and purification device.
In figure, 1, sedimentation basin;11, drinking-water pipe;111, filter screen;112, suction pump;12, overflow port;121, guide plate;2, Collecting pit;21, filter plate;211, limbers;22, outlet pipe;221, power water pump;3, filter device;4, shell;41, water level Monitor;42, maintenance door;43, the first collecting pipe;431, the first supply pump;44, plate is shelved;5, by-pass filtration component;51, it pushes up Cover;511, filter hole;512, ring flat-plate is shelved;52, filter cotton;53, point water plate;531, tapping hole;6, secondary filtration component;61, Resin plate;611, drainage hole;62, activated carbon fiber layers;63, screw;7, purification device;8, cabinet is handled;81, isolation cover; 811, water inlet pipe;8111, valve;812, the second collecting pipe;8121, the second supply pump;813, exhaust pipe;82, cavity;9, it heats Heat insulation module;91, asbestos insulating layer;92, heating wire;10, mixing component;101, agitating shaft;102, driving motor;103, it stirs Leaf;13, gas treatment case;131, gas outlet pipe;14, converge pond;141, recovery tube;142, valve is opened and closed.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
It referring to Fig.1, is a kind of water for irrigation processing system disclosed by the invention, including mutually independent river water processing equipment Line and water treatment equipment line.
River water processing equipment line includes the sedimentation basin 1, collecting pit 2 and filter device 3 for being sequentially communicated setting, water treatment Equipment line includes the gas treatment case 13 and purification device 7 for being sequentially communicated setting.It is added between filter device 3 and purification device 7 Have and converge pond 14, so that the river water and the process purified tap water of purification device 7 after filter device 3 has been crossed are pooled to Converge stand-by in pond 14.Converge pond 14 to be arranged in top opening, and converge and be communicated with recovery tube 141 on the side wall in pond 14, recycles Opening and closing valve 142 is provided on pipe 141.Open pond 14 of converging can be convenient for the mixed liquor of operator's extraction the inside, and carries out The detection of pH value, BOC, DOC, so that it is determined whether to enable opening and closing valves 142.
Wherein, the top opening of sedimentation basin 1, and a drinking-water pipe 11 has been protruded at its top.Pumping is connected on drinking-water pipe 11 Water pump 112, and one end of drinking-water pipe 11 enters in river the extraction for carrying out river water.One end that drinking-water pipe 11 enters river is solid Surely there is the filter screen 111 with the cooperation of 11 section of drinking-water pipe, will go into the large-scale impurity removal in the river water in drinking-water pipe 11.
Referring to Fig. 2, overflow port 12 is offered on one of side wall of sedimentation basin 1, and sedimentation basin 1 offers overflow port 12 Side be connected with collecting pit 2, entered in collecting pit 2 and be collected by the river water that overflow port 12 flows out.Overflow port 12 Position is provided with guide plate 121, convenient for river water to be directed in collecting pit 2.
Collecting pit 2 is an open-topped body structure, and the situation of river water in collecting pit 2 is observed convenient for operator. The middle part of collecting pit 2 is fixed with vertical filter plate 21, so that guide plate 121 is between sedimentation basin 1 and filter plate 21.Filtering The top of plate 21 reaches outside collecting pit 2, and multiple limbers 211 are offered on filter plate 21, convenient for outstanding in river water Floating object is filtered.
The side opposite with overflow port 12 is communicated with outlet pipe 22 on collecting pit 2, and outlet pipe 22 is located at close on collecting pit 2 The position of bottom, and power water pump 221 is connected on outlet pipe 22.Outlet pipe 22 is bent upwards far from one end of collecting pit 2, and It is connected to the top of filter device 3.
Referring to Fig. 3, filter device 3 includes closing and hollow shell 4, the by-pass filtration component 5 being set to inside shell 4 With secondary filtration component 6.Position on the side wall of shell 4 close to bottom is provided with water level monitor 41, for monitoring in shell 4 The water level in portion needs to stop power water pump 221 when water level is excessively high, and opens maintenance door 42 and carry out to the structure inside shell 4 Inspection and maintenance.The roof of shell 4 is rotatably connected to maintenance door 42, and the size of maintenance door 42 is consistent with the roof of shell 4.Maintenance Door 42 is fixed on shell 4 by the door lock of conventional hermatic door, and is folded with sealing between 42 side wall of maintenance door and shell 4 Circle, to improve the leakproofness between maintenance door 42 and shell 4.It is fixed between outlet pipe 22 and maintenance door 42 by flange, The opening and closing of easy access door 42.
By-pass filtration component 5 includes overhead guard 51, filter cotton 52 and point water plate 53.Wherein overhead guard 51 be a top opening and Hollow cover, the top of overhead guard 51 and the lower surface of maintenance door 42 are threadedly engaged, and are easily installed and dismantle overhead guard 51.Overhead guard 51 Side wall on offer the filter hole 511 of multiple perforations, convenient for the circulation of river water.And filter cotton 52 is located inside overhead guard 51, and Point water plate 53 is between filter cotton 52 and maintenance door 42, so that the nozzle of 53 face outlet pipe 22 of point water plate.
Point water plate 53 be in top opening and hollow setting, and the bottom of point water plate 53 offer it is multiple perforation setting divide water Hole 531.It is provided on the inner wall of overhead guard 51 and shelves ring flat-plate 512 for shelve 53 bottom of point water plate, when overhead guard 51 and maintenance door After 42 are threadedly engaged, point water plate 53 is pushed against in shelving between ring flat-plate 512 and maintenance door 42.The river water flowed out from outlet pipe 22 is advanced Enter into point water plate 53 and broken up, then passes through filter cotton 52 again.
Secondary filtration component 6 is along the medium position for being horizontally placed on shell 4, and secondary filtration component 6 is held on and is fixed on Shelving on plate 44 on 4 inner wall of shell is shelved plate 44 and was arranged around 4 inner wall of shell one week.Secondary filtration component 6 includes two layers of resin Plate 61 and the activated carbon fiber layers 62 being located between two layers of resin plate 61.It is equipped with screw 63 between two layers of resin plate 61, makes Two layers of resin plate 61 is obtained mutually to clamp.The drainage hole 611 for being also provided with multiple perforations on resin plate 61 and being evenly arranged, is convenient for river The circulation of water.
The lower section of secondary filtration component 6 is provided with the first collecting pipe 43, and the first collecting pipe 43 is connected on 4 side wall of shell and leans on The position of nearly bottom.The end of first collecting pipe 43, which is protruded into, to be converged in pond 14, and by treated, river water is collected, and first receives The first supply pump 431 is connected on collector 43.
Referring to Fig. 4, purification device 7 includes processing cabinet 8, heating and thermal insulation component 9 and mixing component 10.Handling cabinet 8 is The body structure of one closing and inner hollow, being internally provided with it for processing cabinet 8 is in the isolation cover 81 being wholely set.Every The second collecting pipe 812 from the water inlet pipe 811 being connected on cover 81 for inputting tap water and for exporting tap water, water inlet pipe 811 and second collecting pipe 812 pass through processing cabinet 8 be arranged.Water inlet pipe 811 is connected in municipal water supplies, and on water inlet pipe 811 It is connected with valve 8111.The end of second collecting pipe 812, which is protruded into, to be converged in pond 14, and by treated, tap water is collected, and The second supply pump 8121 is connected on second collecting pipe 812.
It is formed with cavity 82 between isolation cover 81 and processing cabinet 8, heating and thermal insulation component 9 is installed in cavity 82.Heating Heat insulation module 9 includes asbestos insulating layer 91 and heating wire 92, and asbestos insulating layer 91 is fixed on processing 8 inner wall of cabinet, heating wire 92 are installed between insomnia insulating layer and 81 outer wall of isolation cover.Heating wire 92 is electrically connected in power supply system, and power supply system can adopt It is powered with solar energy electroplax.
Mixing component 10 includes agitating shaft 101, driving motor 102 and paddle 103.Agitating shaft 101 be rotationally connected with every Roof from cover 81, agitating shaft 101 is vertically extending, and paddle 103 is fixed on agitating shaft 101.The top of agitating shaft 101 It across isolation cover 81 and processing cabinet 8 and is connected on driving motor 102, driving motor 102 is fixed on the outer wall of processing cabinet 8 On.
The top of isolation cover 81 is also communicated with exhaust pipe 813, and exhaust pipe 813 passes through processing cabinet 8 and is connected at gas Manage the top of case 13.13 inner containment of gas treatment case has akaline liquid, and the end of exhaust pipe 813 extend into akaline liquid Liquid level is hereinafter, the top of gas treatment case 13 is also connected with gas outlet pipe 131.So that generated in tap water with chlorine Air is discharged into the external world by the absorption of akaline liquid again, to reduce the pollution to environment.
The implementation principle of the present embodiment are as follows: river water successively passes through the precipitating of sedimentation basin 1, the primary filtration of collecting pit 2, filtering The successively filtering of by-pass filtration component 5 and secondary filtration component 6 in device 3, is discharged to from the first collecting pipe 43 and converges in pond 14. Meanwhile tap water is after heating and stirring, is discharged to converge in pond 14 by the second collecting pipe 812 and is mixed with river water, Form water for irrigation.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it It is interior.

Claims (10)

1. a kind of water for irrigation processing system, it is characterised in that: at mutually independent river water processing equipment line and tap water Manage equipment line;The end of the river water processing equipment line and the end of water treatment equipment line are pooled to and converge in pond (14); The river water processing equipment line includes the sedimentation basin (1) and filter device (3) for being sequentially communicated setting, and the river water is successively by heavy Shallow lake pond (1) and filter device (3) and being pooled to converges in pond (14);The water treatment equipment line includes purification device (7), The tap water is transported to after purification device (7) to be converged in pond (14).
2. a kind of water for irrigation processing system according to claim 1, it is characterised in that: the sedimentation basin (1) is wherein It is offered on one side wall overflow port (12), and the sedimentation basin (1) offers the side of overflow port (12) and is connected with collecting pit (2);It is entered in collecting pit (2) and is collected by the river water that overflow port (12) are flowed out;The middle part of the collecting pit (2) is fixed There are filter plate (21), collecting pit (2) is divided into two parts;Outlet pipe (22) are communicated on the side wall of collecting pit (2), and described Overflow port (12) and outlet pipe (22) are located at the two sides of filter plate (21);Multiple water flowings are offered on the filter plate (21) Hole (211).
3. a kind of water for irrigation processing system according to claim 2, it is characterised in that: the filter device (3) includes It closes and hollow shell (4), the outlet pipe (22) is connected to the top position of shell (4);The top of the shell (4) increases Equipped with by-pass filtration component (5), the by-pass filtration component (5) includes the overhead guard (51) being fixed on shell (4) roof, described The filter hole (511) of multiple perforations is offered on overhead guard (51) side wall;Between overhead guard (51) inner wall and the roof of shell (4) It is folded with filter cotton (52), nozzle setting of filter cotton (52) the face outlet pipe (22) on shell (4).
4. a kind of water for irrigation processing system according to claim 3, it is characterised in that: the filter cotton (52) and water outlet It is additionally provided with point water plate (53) between pipe (22), the point water plate (53) is in top opening and hollow setting;The point water plate (53) top is pushed against on the roof of shell (4), and the bottom of the point water plate (53) offers point of multiple perforation settings Water hole (531).
5. a kind of water for irrigation processing system according to claim 3, it is characterised in that: the shell (4) and converge pond (14) it is connected between by the first collecting pipe (43), the second level with the cooperation of shell (4) inner section is had additional in the shell (4) Filter assemblies (6);The secondary filtration component (6) is between the first collecting pipe (43) and by-pass filtration component (5);Described two Grade filter assemblies (6) include two layers of resin plate (61) and the activated carbon fiber layers (62) being located between two layers of resin plate (61), The drainage hole (611) of multiple perforations is offered on the resin plate (61).
6. a kind of water for irrigation processing system according to claim 3, it is characterised in that: the roof of the shell (4) is set It is equipped with maintenance door (42), is fixed between the outlet pipe (22) and maintenance door (42) by flange;The overhead guard (51) The sidewall thread of top and maintenance door (42) cooperates;When the maintenance door (42) are opened, the maintenance door (42) drives overhead guard (51) shell (4) are left.
7. a kind of water for irrigation processing system according to claim 1, it is characterised in that: the purification device (7) includes The processing cabinet (8) of closing and inner hollow, being internally provided with it for processing cabinet (8) is in the isolation cover being wholely set (81);It is formed with cavity (82) between the isolation cover (81) and processing cabinet (8), heating is provided in the cavity (82) and is protected Warm component (9);Water inlet pipe (811) for inputting tap water is connected on the isolation cover (81) and for exporting tap water Second collecting pipe (812), second collecting pipe (812) are connected to pond (14) is converged;The top of the isolation cover (81) also connects It is connected with exhaust pipe (813).
8. a kind of water for irrigation processing system according to claim 7, it is characterised in that: the heating and thermal insulation component (9) Including the asbestos insulating layer (91) being fixed on described processing cabinet (8) inner wall, the asbestos insulating layer (91) and isolation cover (81) heating wire (92) are installed between outer wall;The heating wire (92) is electrically connected in power supply system.
9. a kind of water for irrigation processing system according to claim 7, it is characterised in that: increase inside the isolation cover (81) Equipped with mixing component (10), the mixing component (10) includes the agitating shaft (101) being rotationally connected on the isolation cover (81); The top of the agitating shaft (101) passes through isolation cover (81) and is connected with driving motor (102), and the driving motor (102) is solid Due on the outer wall of processing cabinet (8);The paddle rotated synchronously with agitating shaft (101) is fixed on the agitating shaft (101) (103)。
10. a kind of water for irrigation processing system according to claim 7, it is characterised in that: the exhaust pipe (813) is separate One end of processing cabinet (8) is connected with gas treatment case (13);Gas treatment case (13) inner containment has akaline liquid, and The end of the exhaust pipe (813) extend into the liquid level of akaline liquid or less;It is also connected at the top of the gas treatment case (13) There are gas outlet pipe (131).
CN201910223834.1A 2019-03-22 2019-03-22 A kind of water for irrigation processing system Pending CN109879461A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910223834.1A CN109879461A (en) 2019-03-22 2019-03-22 A kind of water for irrigation processing system

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Application Number Priority Date Filing Date Title
CN201910223834.1A CN109879461A (en) 2019-03-22 2019-03-22 A kind of water for irrigation processing system

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CN109879461A true CN109879461A (en) 2019-06-14

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115193155A (en) * 2022-08-02 2022-10-18 郑州楷润市政工程设计有限公司 Tap water treatment mixing distribution well

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CN206284022U (en) * 2016-12-23 2017-06-30 崔宫健 A kind of flowers irrigation device
CN207017346U (en) * 2017-06-27 2018-02-16 苏州山水源环保科技有限公司 A kind of rainwater-collecting purifier
CN108409008A (en) * 2018-01-27 2018-08-17 温州荣仙绿化园艺工程有限公司 A kind of municipal administration gardens rain water collecting system
CN108967132A (en) * 2018-07-18 2018-12-11 中国十七冶集团有限公司 A kind of greenbelt, high slope automatic irrigation purification system

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Publication number Priority date Publication date Assignee Title
CN201581023U (en) * 2009-09-23 2010-09-15 杭州恒达环保实业有限公司 River water purifying and recycling system
CN202819188U (en) * 2012-10-16 2013-03-27 武汉市农业机械化科学研究所 Agricultural irrigation device based on programmable logic controller (PLC) and human machine interface (HMI) technology
CN206284022U (en) * 2016-12-23 2017-06-30 崔宫健 A kind of flowers irrigation device
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115193155A (en) * 2022-08-02 2022-10-18 郑州楷润市政工程设计有限公司 Tap water treatment mixing distribution well
CN115193155B (en) * 2022-08-02 2023-12-29 郑州楷润市政工程设计有限公司 Tap water treatment mixing distributing well

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Application publication date: 20190614