CN205935034U - Multistage water supply system for supplying water to users in mountainous area - Google Patents

Multistage water supply system for supplying water to users in mountainous area Download PDF

Info

Publication number
CN205935034U
CN205935034U CN201620880292.7U CN201620880292U CN205935034U CN 205935034 U CN205935034 U CN 205935034U CN 201620880292 U CN201620880292 U CN 201620880292U CN 205935034 U CN205935034 U CN 205935034U
Authority
CN
China
Prior art keywords
water
water stop
cistern
stop
supply
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.)
Active
Application number
CN201620880292.7U
Other languages
Chinese (zh)
Inventor
赵军伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PowerChina Guiyang Engineering Corp Ltd
Original Assignee
PowerChina Guiyang Engineering Corp Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by PowerChina Guiyang Engineering Corp Ltd filed Critical PowerChina Guiyang Engineering Corp Ltd
Priority to CN201620880292.7U priority Critical patent/CN205935034U/en
Application granted granted Critical
Publication of CN205935034U publication Critical patent/CN205935034U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Sanitary Device For Flush Toilet (AREA)

Abstract

The utility model discloses a multi-stage water supply system for supplying water to users in mountainous areas, which comprises a lowest stage water supply station, a group of middle stage water supply stations and a highest stage water supply station; each stage of water supply station comprises a water source and a reservoir, and the water source is connected with the top of the reservoir through a water delivery pipe; the bottom of the reservoir is provided with a water supply pipe which is connected with a main water supply pipeline through a water supply valve, and the main water supply pipeline is connected with the water user at the stage through a group of water distribution pipes. The utility model discloses can utilize water source point nature relief gravity to flow automatically to the utmost and supply water, practiced thrift energy and running cost. The utility model discloses adopt a plurality of water sources to jointly supply water simultaneously and improved the reliability that supplies water. Each source point has its water supply range and can supplement each other at the same time, reduce the influence of water supply system trouble to minimum. The utility model discloses accessible automated control reduces the management maintenance work of very big part.

Description

A kind of multistage water system supplying water for mountain area user
Technical field
This utility model is related to a kind of multistage water system supplying water for mountain area user, belongs to the larger city of topographical elevation difference The areas such as town, mountain area, and have the living water technical field of the resource of water supply of multiple difference elevations.
Background technology
Continuous improvement with living standards of the people and township enterprise growing, build up monutainous regions small towns village tap water Become problem anxious to be resolved, it, to reducing people's sufferings, working condition of making the life better, promotes the prosperity of rural economy And development, will play an important role.Large quantities of drinking water works have been built using existing water resource in mountainous rural area in recent years Journey, has played very big benefit, but has some engineerings because too big by water source water outlet water shortage or physical features relatively low lifting cost And be restricted, or have selected the river water that physical features is low, water quality is poor, reservoir water conduct to meet water-supply quantity requirement Living water water source, although so meeting the living water in small towns or rural area, there is also operating cost height simultaneously, supplying water System is dangerous, resource of water supply is single, affected many drawbacks such as larger by synoptic climate condition.
Content of the invention
The purpose of this utility model is, provides a kind of multistage water system supplying water for mountain area user, with for mountain area The cities and towns of landform, mountain area Area Inhabitants are sparsely populated, and discrepancy in elevation distribution is larger, have the generally total spy of the many places water source point of low discharge Levy, provide a kind of can, advantage that elevation high good with effectively utilizes low discharge water source point water quality, be provided that a kind of safety can simultaneously again Leaning on, investing the saving low water supply installation of operating cost simultaneously, thus overcoming the deficiencies in the prior art.
The technical solution of the utility model is realized in:
A kind of multistage water system supplying water for mountain area user of the present utility model is that this system includes lowermost level and supplies water Stand, one group of intergrade water stop and highest water stop;Every grade of water stop all includes water source and cistern, water source through water-supply-pipe with Cistern top connects;Columns base is provided with feed pipe, and feed pipe is connected with main-supply road through feed water valve, main-supply road It is connected with the water user of this grade through one group of sparge pipe;In addition to highest water stop, the cistern side of remaining water stop at different levels is all provided with Have booster pump, booster pump water inlet is connected with the columns base of this grade, booster pump outlet through multifunctional water pump control valve with Up contact pipeline connects;Up contact pipeline is connected with cistern top through electrically-controlled valve and fluid level control valve;Except lowermost level supplies The columns base of water station remaining water stop at different levels outer is equipped with outlet pipe, and outlet pipe is through check valve with descending contact pipeline even Connect;In addition to lowermost level water stop, the cistern top of remaining water stop at different levels is connected with descending contact pipeline through fluid level control valve.
In aforementioned multistage water system, in described lowermost level water stop, one group of intergrade water stop and highest water stop One group of intergrade water stop include at least one intergrade water stop;Pass through pipe through up contact pipeline between water stops at different levels Road and descending contact pipeline are connected in series;Up contact pipeline is the contact pipeline of this grade of water stop and upper level water stop;Under Row contact pipeline is the contact pipeline of this grade of water stop and next stage water stop;The up contact pipeline of every one-level water stop passes through Pipeline is connected with the descending contact pipeline of upper level water stop;The descending contact pipeline of every one-level water stop pass through pipeline and next The up contact pipeline of level water stop connects;Main-supply road can merge into one with descending contact pipeline and up contact pipeline Root pipeline, cistern supplies water, water outlet and inlet pipeline arrangement are constant, and that is, main-supply road part can be used as the pipe to user's water distribution Road, also serves as the hydraulic pipeline that water source complements each other simultaneously, thus saving tubing, reducing cost.
In aforementioned multistage water system, the water-supply-pipe of described water stops at different levels is equipped with gate valve;The storage of every grade of water stop The top in pond is equipped with overflow pipe.
In aforementioned multistage water system, the main-supply road lower of described water stops at different levels is equipped with air relief valve.
In aforementioned multistage water system, the bottom of the cistern of described water stops at different levels is equipped with evacuated tube, each emptying Exhaust-valve is equipped with pipe.
Due to employing technique scheme, compared with prior art, this utility model is mainly used in this utility model The relatively natural discrepancy in elevation of the cities and towns of alpine terrain, mountain area water user is larger, water source point flow is less again relatively many and disperses area Living water, reduces pressure water supply or lifting water supply being capable of profit to greatest extent step by step step by step compared to traditional head-tank that is promoted to With water source point nature physical features gravity flow water supply, simultaneously multiple water sources co-supplying even more greatly improve the safety of water system can By property.Compared to lifting way of supplying water from low to high step by step, the way of supplying water from high to low that this utility model adopts, in each water When source point flow is sufficient, water system does not need energy resource supply to utilize flow by gravity to supply water, and only aloft top water source point goes out stream Just need lower water pump to be lifted up supplementing during water shortage, greatly save the energy and operating cost.Lift water supply side step by step The water source point only one of which of formula, is that pressurization is supplied water from bottom to top simultaneously, if water source point stops supplying due to water quality or water yield problem Whole water system will be caused during water cannot to run, even if somewhere water pump c maintenance in the middle of lifting circuit, at an upper portion thereof Water system also will stop supplying water, and easily causes interior phenomenon of cutting off the water on a large scale.Each water source point of this utility model has its water supply model Enclosing simultaneously again series connection can be complementary to one another, a water source point due to outflow is not enough or other reason causes to cut off the water when other Water source point can be supplemented in time, and the impact of water system fault is reduced to minimum.Compared to being promoted to head-tank gravity again The way of supplying water of gravity flow, this utility model has great advantage at energy saving, aspect safe and reliable to operation.But also can be by automatically Change to control and reduce significant portion of management service work.
Brief description
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of highest water stop;
Fig. 3 is the structural representation of intergrade water stop;
Fig. 4 is the structural representation of lowermost level water stop.
In figure is labeled as:1- water source, 2- transmission conduit, 3- cistern, 4- gate valve, 5- overflow pipe, 6- feed pipe, 7- supplies water Valve, 8- main-supply road, 9- water distribution pipeline, 10- water user, 11- air relief valve, 12- evacuated tube, 13- exhaust-valve, 14- booster pump, 15- multifunctional water pump control valve, 16- up contact pipeline, 17- fluid level control valve, 18- electrically-controlled valve, 19- outlet pipe, 20- is unidirectional Valve, 21- descending contact pipeline, 22- lowermost level water stop, 23- intergrade water stop, 24- superlative degree water stop, 26- is by minimum The region that level water stop supplies water, the region that 27- is supplied water by intergrade water stop, the region that 28- is supplied water by highest water stop.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples, but not as new to this practicality Any restriction of type.
This utility model is according to constructed by a kind of following methods supplying water for mountain area user, as shown in figure 1, the party Method selects the water source of multiple difference elevations as water supply point, and sets up water stop in each water supply point, and every grade of water stop is equipped with Cistern, the cistern of every grade of water stop is merely responsible for less than this water stop and supplies water higher than the water user of next stage water stop; Connect through uplink and downlink contact pipeline between every grade of water stop and adjacent water stop, constitute multistage water system, realize each water The water yield between source is complementary.The water yield between each water source is complementary to include highest certain grade of water stop water source stream below 24 for the water stop When amount can not meet the water user's request of this water stop, preferentially led to step by step using the mode that flow by gravity supplies water by higher level's water stop It supplements water supply to cross liaison tube road direction.Complementary certain grade of water stop including more than minimum one-level water stop of the water yield between each water source Water source flow can not meet the water user's request of this water stop, and still cannot meet this water supply using the mode that flow by gravity supplies water During the water user's request stood, it supplements water supply to pass through liaison tube road direction by subordinate's water stop step by step by pressurized water supply mode.Increase Using supercharging water supplying pump, the lift of booster pump is more than the elevation of this grade of water stop and upper level water stop to pressure way of supplying water.Each confession Water station is connected with this water supply regional water user through main-supply road and water distribution pipeline;Main-supply road lower is provided with air relief valve, By the valve regulation pressure of supply water that reduces pressure, prevent that pressure is excessive to cause pipe breakage.
The of the present utility model a kind of multistage water system supplying water for mountain area user constituting as stated above, as Fig. 1 institute Show, this system includes 22, one group of intergrade water stop 23 of lowermost level water stop and highest water stop 24;Every grade of water stop all wraps Include water source 1 and cistern 3, water source 1 is connected with cistern 3 top through water-supply-pipe 2;Cistern 3 bottom is provided with feed pipe 6, supplies water Pipe 6 is connected with main-supply road 8 through feed water valve 7, and main-supply road 8 is connected with the water user 10 of this grade through one group of sparge pipe 9;As Shown in Fig. 3 and Fig. 4, in addition to highest water stop 24, cistern 3 side of remaining water stop at different levels is equipped with booster pump 14, supercharging Pump 14 water inlet is connected with cistern 3 bottom of this grade, booster pump 14 outlet through multifunctional water pump control valve 15 with up Network pipeline 16 connects;Up contact pipeline 16 is connected with cistern 3 top through electrically-controlled valve 18 and fluid level control valve 17;As Fig. 2 and Shown in Fig. 3, in addition to lowermost level water stop 22, cistern 3 bottom of remaining water stop at different levels is equipped with outlet pipe 19, outlet pipe 19 It is connected with descending contact pipeline 21 through check valve 20;Cistern 3 top of remaining water stop at different levels in addition to lowermost level water stop 22 It is connected with descending contact pipeline 21 through fluid level control valve 17.
As shown in figure 1, in described 22, one group of intergrade water stop 23 of lowermost level water stop and highest water stop 24 one Group intergrade water stop 23 includes at least one intergrade water stop 23;Through up contact pipeline 16 through pipe between water stops at different levels Road and descending contact pipeline 21 are connected in series;Up contact pipeline 16 is the liaison tube of this grade of water stop and upper level water stop Road;Descending contact pipeline 21 is the contact pipeline of this grade of water stop and next stage water stop;The up contact of every one-level water stop Pipeline 16 is connected with the descending contact pipeline 21 of upper level water stop through pipeline;Descending contact pipeline 21 warp of every one-level water stop Pipeline is connected with the up contact pipeline 16 of next stage water stop.Main-supply road 8 and descending contact pipeline 21 and up Network pipeline 16 can merge into a pipeline, and cistern supplies water, water outlet and inlet pipeline arrangement are constant, and that is, main-supply road part can As the pipeline to user's water distribution, also serve as the hydraulic pipeline that water source complements each other, thus saving tubing, reducing cost simultaneously. It is equipped with gate valve 4 on the water-supply-pipe 2 of water stops at different levels;The top of the cistern 3 of every grade of water stop is equipped with overflow pipe 5.At different levels Main-supply road 8 lower of water stop is equipped with air relief valve 11.The bottom of the cistern 3 of water stops at different levels is equipped with evacuated tube 12, each evacuated tube 12 is equipped with exhaust-valve 13.
Embodiment
This example is mainly passed through to get in touch with connect each water source point of pipeline and is realized combining to water user water supply, simultaneously using cistern 3rd, the water yield complementation that pipeline and booster pump 14 are realized between each water source is got in touch with uplink and downlink, utilizes cistern 3 when the water yield is sufficient Reduce pressure to lower step by step and supply water it is achieved that the energy-conservation of water system and safe operation.Water source point can be water of river and lake, reservoir Water, spring water, cavern water, subsoil water, snow mountain thawing water etc., water quality should meet domestic water requirement, and being unsatisfactory for claimer needs to increase Purified water treatment device is processed.Water source point water is accessed in cistern 3 by transmission conduit 2.Cistern 3 can adopt brick or reinforcing bar Xoncrete structure, dischargeable capacity should determine through calculating according to water source point outflow and water consumption, can be this water source point water supply model Enclose the 20%-30% of maximum daily consumption, when water source point water yield changes greatly, can suitably increase water-retention volume.Cistern 3 is provided with By overflow pipe 5, overflow pipe, while ensureing that water source point continues to cistern 3 moisturizing, ensures that the water storage in cistern 3 is timely Displacement is fresh-keeping.Cistern 3 bottom is provided with evacuated tube 12, is rinsed by the silt that evacuated tube 12 precipitates for a long time to cistern 3 Spoil disposal.Cistern 3 is intake mainly three sources:Natural supply at 1 point of water source nearby;Get in touch with pipeline from higher level's water stop 16 gravity flow supplements water;The supercharging getting in touch with pipeline 21 from subordinate's water stop supplements water.The water supply of cistern 3 has two sides To:Through booster pump 14 superior water stop pressurized water supply;Using the natural elevation of cistern 3 to subordinate's water stop from water distribution manifold. Booster pump 14 adopts vertical or horizontal booster pump, and water supply flow calculates according to water consumption and determines, goes out stream with water source dry season simultaneously Water quantity analysis maximum water supply flow, booster pump 14 lift is determined with the supreme one-level cistern grid DEM that can supply water.Booster pump 14 On off control, is opened when cistern 3 water level reaches and opens pump water level according to the cistern water lev el control of this grade by upper level water stop Dynamic booster pump 14 supplies water, and stops booster pump 14 when reaching termination of pumping water level.Booster pump 14 is linked with electrically-controlled valve 18, and booster pump 14 opens When dynamic, electrically-controlled valve 18 is closed, and when booster pump 14 stops, electrically-controlled valve 18 is opened, and prevents part booster pump 14 effluent recycling to cistern 3 Inside cause energy dissipation.The up contact pipeline and descending contact pipeline connecting pipe with cistern 3 is equipped with liquid level control Valve 17 processed, fluid level control valve 17 carries liquid-level probe, when liquid-level probe detects cistern 3 water level and reaches termination of pumping water level, liquid Level control valve 17 is closed, and cistern 3 stops water inlet.When booster pump 14 lift is larger, can subtract in main-supply road 8 lower position Pressure valve 11 carries out pressure regulation.Booster pump 14 outlet pipe should calculate to install according to its water supply lift prevents the multi-functional of water hammering Control valve for water pump 15.When being embodied as, the just elevation classifying rationally contributing region of the inhabitation elevation according to water user and each water stop Domain divides water supply elevation scope, reasonable distribution flow and the lift of each water stop, and the water yield realized between each water source point is transferred, So that whole system is run and reach optimum.The pipeline of whole water system can adopt steel pipe or plastic composite pipe in conjunction with practical situation Deng.Each water source 1 leads to and should arrange gate valve 4 on the transmission conduit 2 of cistern 3, when cistern 3 needs maintenance, cleaning, can close Gate valve 4 stops water delivery.
Work process of the present utility model and principle
Its work process is as follows:The water outlet at each water source 1 enters storage in the cistern 3 of this water stop, when 1 point of each water source Water flow disclosure satisfy that its each the demand of water user in water supply coverage when, by each water stop cistern 3 by main confession Water lines 8 flow by gravity supplies water to each water user region.When as not enough in the water yield at a certain water source, can be led to by higher level's water stop Crossing descending liaison tube road direction adopts flow by gravity way of supplying water to mend into the not enough water stop cistern 3 of water source water yield step by step Water;When cistern 3 water level of this water stop reaches termination of pumping water level, fluid level control valve 17 is closed and is stopped water inlet.
When as not enough in the water yield at a certain water source, and upper level water stop adopts gravity certainly by up liaison tube road direction Water distribution manifold mode is to moisturizing in the not enough water stop cistern 3 of water source water yield, when still can not meet water user's request, rudimentary confession Water station passes through supercharging mode step by step to its moisturizing.By the booster pump 14 of lowermost level water stop 22, water in cistern 3 can be evacuated to Moisturizing in the cistern 3 of row liaison tube road direction intergrade water stop 23;Again by intergrade water stop 23 booster pump 14 by water-retention In pond 3, water is evacuated to moisturizing in the cistern 3 of more upper level intergrade water stop 23;Using above-mentioned relay mode until supplying subordinate The water supplement of water station provides the water stop of water shortage;Constitute and combine to water user's service position.
In water system, the water outlet of each water source point preferentially supplements the cistern 3 of itself, and insufficient section is preferentially being supplied by higher level Water station flow by gravity mode moisturizing, when higher level's water stop water yield is also not enough, just passes through supercharging mode by subordinate's water stop Moisturizing.Utilize the mode that flow by gravity supplies water, with energy saving as far as possible.

Claims (5)

1. a kind of for mountain area user supply water multistage water system it is characterised in that:Including lowermost level water stop(22), in one group Intercaste water stop(23)With highest water stop(24);Every grade of water stop all includes water source(1)And cistern(3), water source(1)Warp Water-supply-pipe(2)With cistern(3)Top connects;Cistern(3)Bottom is provided with feed pipe(6), feed pipe(6)Through feed water valve(7) With main-supply road(8)Connect, main-supply road(8)Through one group of sparge pipe(9)Water user with this grade(10)Connect;Except highest Level water stop(24)The cistern of remaining water stop at different levels outer(3)Side is equipped with booster pump(14), booster pump(14)Water inlet Cistern with this grade(3)Bottom connects, booster pump(14)Outlet is through multifunctional water pump control valve(15)With up liaison tube Road(16)Connect;Up contact pipeline(16)Through electrically-controlled valve(18)And fluid level control valve(17)With cistern(3)Top connects;Remove Lowermost level water stop(22)The cistern of remaining water stop at different levels outer(3)Bottom is equipped with outlet pipe(19), outlet pipe(19)Warp Check valve(20)With descending contact pipeline(21)Connect;Except lowermost level water stop(22)The cistern of remaining water stop at different levels outer (3)Top is through fluid level control valve(17)With descending contact pipeline(21)Connect.
2. according to claim 1 for mountain area user supply water multistage water system it is characterised in that:Described lowermost level supplies water Stand(22), one group of intergrade water stop(23)With highest water stop(24)In one group of intergrade water stop(23)Including at least One intergrade water stop(23);Through up contact pipeline between water stops at different levels(16)By pipeline and descending contact pipeline (21)It is connected in series;Up contact pipeline(16)It is the contact pipeline of this grade of water stop and upper level water stop;Descending liaison tube Road(21)It is the contact pipeline of this grade of water stop and next stage water stop;The up contact pipeline of every one-level water stop(16)Pass through Pipeline and the descending contact pipeline of upper level water stop(21)Connect;The descending contact pipeline of every one-level water stop(21)By pipe Road and the up contact pipeline of next stage water stop(16)Connect.
3. according to claim 1 for mountain area user supply water multistage water system it is characterised in that:Described water stop at different levels Water-supply-pipe(2)On be equipped with gate valve(4);The cistern of every grade of water stop(3)Top be equipped with overflow pipe(5).
4. according to claim 1 for mountain area user supply water multistage water system it is characterised in that:Described water stop at different levels Main-supply road(8)Lower is equipped with air relief valve(11).
5. according to claim 1 for mountain area user supply water multistage water system it is characterised in that:Described water stop at different levels Cistern(3)Bottom be equipped with evacuated tube(12), each evacuated tube(12)On be equipped with exhaust-valve(13).
CN201620880292.7U 2016-08-15 2016-08-15 Multistage water supply system for supplying water to users in mountainous area Active CN205935034U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620880292.7U CN205935034U (en) 2016-08-15 2016-08-15 Multistage water supply system for supplying water to users in mountainous area

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620880292.7U CN205935034U (en) 2016-08-15 2016-08-15 Multistage water supply system for supplying water to users in mountainous area

Publications (1)

Publication Number Publication Date
CN205935034U true CN205935034U (en) 2017-02-08

Family

ID=57920699

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620880292.7U Active CN205935034U (en) 2016-08-15 2016-08-15 Multistage water supply system for supplying water to users in mountainous area

Country Status (1)

Country Link
CN (1) CN205935034U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106120956A (en) * 2016-08-15 2016-11-16 中国电建集团贵阳勘测设计研究院有限公司 Method for supplying water to mountainous area users and multistage water supply system
CN114314894A (en) * 2021-11-26 2022-04-12 大唐渭南热电有限公司 Demineralized water production and conveying system of thermal power plant

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106120956A (en) * 2016-08-15 2016-11-16 中国电建集团贵阳勘测设计研究院有限公司 Method for supplying water to mountainous area users and multistage water supply system
CN114314894A (en) * 2021-11-26 2022-04-12 大唐渭南热电有限公司 Demineralized water production and conveying system of thermal power plant

Similar Documents

Publication Publication Date Title
CN106120956A (en) Method for supplying water to mountainous area users and multistage water supply system
CN101317544B (en) Root-irrigation method of underground artesian spring suitable for trees
CN204001088U (en) A kind of building rainwater and daily life sewage intermediate water reuse system
CN101660305B (en) Field drainage control system
CN205935034U (en) Multistage water supply system for supplying water to users in mountainous area
CN206090719U (en) Agricultural irrigation storage tower of two water supply and two agricultural irrigating and water -supplying system that supplies water
CN101869045A (en) Automatic rain-collecting water supply system for road greenbelts
CN211735598U (en) Bank-type multi-water-level combined water pump house structure
CN105863716A (en) Tandem type combined water tank for firefighting of highway tunnels in mountainous areas and construction method of tandem type combined water tank
CN207568086U (en) A kind of roofing water cycle, exhaust system
CN211367314U (en) Water distribution control system for carrying out sewage irrigation and sewage treatment in coordination
CN103979680A (en) Biochemical pretreatment device with water quality and water quantity regulation function
CN201276729Y (en) Domestic water-saving device
CN109944301A (en) A kind of clear water reserviors absorbing well, absorption well system and application method
CN206737040U (en) Rise residential non-negative pressure method of water supply device
CN205922295U (en) Overpass virescence irrigation drainage device convenient to installation
CN2675279Y (en) Voltage-regulating energy-saving water-supplying device for hot rolled steel controlled-cooling system
CN207828888U (en) Novel siphon type pump station water inlet pipe structure
CN208691953U (en) A kind of new membrane regulation underground drip irrigation leads infiltration device
CN207135773U (en) A kind of irrigation device of large-scale planting mango
CN209114272U (en) Water regulating and storing structure for greenbelts and roads between greenbelts
CN205841126U (en) A kind of mountain area energy-conservation gravitation water-feeding system
CN112663773A (en) Comprehensive water storage irrigation system for sponge city
CN209384315U (en) A kind of on-site multiplexing water water receiving point structure
CN1245069C (en) Lawn sewage irrigation system

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant