CN220044417U - Gravity drip irrigation system - Google Patents

Abstract

The utility model discloses a gravity drip irrigation system which comprises a water storage tank, an irrigation main pipe, an irrigation branch pipe and a drip irrigation belt, wherein the water storage tank is communicated with the irrigation main pipe, the irrigation main pipe is communicated with the irrigation branch pipe, the irrigation branch pipe is communicated with the drip irrigation belt, the water storage tank is arranged at a level higher than the irrigation ground, the water storage tank is connected with a water collecting pipe, the water collecting pipe is communicated with a sedimentation tank, the sedimentation tank is communicated with a drainage well, the drainage well is communicated with an external ditch, a water and fertilizer tank, a drip irrigation regulating valve, a check valve and a duplex filter are communicated on the irrigation main pipe, the water and fertilizer tank is arranged at a level lower than or equal to the water storage tank and higher than the irrigation ground, the water and fertilizer tank is communicated on the irrigation main pipe, and the duplex filter is arranged on the irrigation main pipe. According to the utility model, the rainwater is collected for drip irrigation, the rainwater enters the reservoir for treatment through the drainage well and the drainage initial stage, and then enters the sedimentation tank for treatment, so that the rainwater is ensured to be clean, the rainwater is filtered through the duplex filter during drip irrigation, the drip irrigation belt is effectively prevented from being blocked, and the drip irrigation belt does not need power consumption and oil consumption during operation, and is economical and practical.

Description

Gravity drip irrigation system

Technical Field

The utility model relates to the technical field of irrigation, in particular to a gravity drip irrigation system.

Background

When planting fruit trees such as granulated sugar orange, other important links are irrigation and fertilization besides disease and pest management and daily weeding management, irrigation in the past mainly adopts a furrow irrigation or a tree crown upper part sprinkling irrigation mode, and along with the development of the times, the current drip irrigation technology is gradually popularized, and the drip irrigation technology is an irrigation system for directly supplying water, fertilizer or other chemical agents and the like to soil through a drip irrigation belt or a drip irrigation pipe, but the conventional drip irrigation system is operated by mostly relying on electric power or fossil fuel to drive a water pump, so that the operation energy consumption is high, the maintenance cost is high, the rainwater cannot be fully utilized for irrigation, and the operation cost is high.

The foregoing background is only for the purpose of facilitating an understanding of the principles and concepts of the utility model and is not necessarily in the prior art to the present application and is not intended to be used as an admission that such background is not entitled to antedate such novelty and creativity by virtue of prior utility model or that it is already disclosed at the date of filing of this application.

Disclosure of Invention

The utility model aims to overcome the defects of the background technology and provide a gravity drip irrigation system.

In order to achieve the above purpose, the gravity drip irrigation system provided by the utility model comprises a reservoir, an irrigation main pipe, an irrigation branch pipe and a drip irrigation zone, wherein the reservoir is communicated with the irrigation main pipe, the irrigation main pipe is communicated with the irrigation branch pipe, the irrigation branch pipe is communicated with the drip irrigation zone, the reservoir is arranged at a level greater than the irrigation ground, a water inlet of the reservoir is connected with a water collecting pipe, one end of the water collecting pipe away from the reservoir is communicated with a water outlet of a sedimentation tank, a water inlet end of the sedimentation tank is communicated with a water outlet of a drainage well, a water inlet of the drainage well is communicated with an external ditch, a water and fertilizer tank, a drip irrigation regulating valve, a check valve and a duplex filter are sequentially communicated with the irrigation main pipe, the water and fertilizer tank is arranged at a level less than or equal to the reservoir and greater than the irrigation ground, the check valve is arranged at one end of the irrigation main pipe, the water and fertilizer tank is communicated with the drip irrigation regulating valve and the water and the drip irrigation main pipe between the check valve, and the water and the drainage well is provided with a water and fertilizer regulating valve. When rainy days are met, rainwater is discharged into the drainage well along the external ditch, initial rainwater is discharged back to the external ditch through the drainage well, and middle-later-stage rainwater enters the sedimentation tank through the drainage well for sedimentation treatment and enters the reservoir through the water collecting pipe for collection and storage; during drip irrigation, the drip irrigation regulating valve and the water and fertilizer valve are opened, rainwater recovered in the reservoir and water and fertilizer in the water and fertilizer tank are conveyed to the roots of plants to be drip irrigated along the irrigation main pipe, the duplex filter, the irrigation branch pipe and the drip irrigation belt under the self pressure generated by the action of gravity, the whole irrigation process is free from power consumption and oil consumption for power driving, and the maintenance are simple, convenient, economical and practical.

Further, a screen filter is communicated with the water outlet of the reservoir, and the outlet end of the screen filter is communicated with the irrigation main pipe. The screen filter can carry out primary filtration to the irrigation water that comes out from the cistern, and the water after primary filtration mixes with liquid manure and gets into duplex filter and carry out the secondary filtration, further avoids irrigation water to contain impurity and blocks up the drip irrigation zone.

Further, the inside a plurality of PP modules that are equipped with of cistern to wholly bury underground, cistern top intercommunication has and is equipped with the breather pipe, the cistern middle part is equipped with the drain well, cistern upper portion intercommunication has the overflow pipe. The water reservoir is buried underground, crops can be planted on the water reservoir in the follow-up process, and land resource waste is avoided.

Further, a standby tank is further communicated with the irrigation main pipe, the standby tank and the water and fertilizer tank are located at the same horizontal height, and a standby water regulating valve is arranged on a pipeline of the standby tank communicated with the irrigation main pipe. When the water in the reservoir runs out in drought weather, the standby water valve can be opened for emergency use.

Further, the standby tank is communicated with a water supplementing pipe, and one end, far away from the standby tank, of the water supplementing pipe is communicated with an external water source. The water supplementing pipe is used for supplementing water to the inside of the standby tank, so that the gravity drip irrigation system can not normally operate in drought weather is avoided.

Further, the pressure gauge and the flowmeter are respectively arranged on the irrigation main pipe, and a pressure reducing valve is arranged at one end, close to the irrigation branch pipe, of the irrigation main pipe. The operator can adjust the irrigation system amount according to the pressure gauge and the flow meter.

Further, the inside vertical division board that is equipped with of sedimentation tank, the division board will sedimentation tank internal partition is flocculation zone, sedimentation zone and overflow district, the crisscross a plurality of guide plates that are provided with in the flocculation zone makes the entering water in the flocculation zone is the wave form flow state, the sedimentation zone bottom is equipped with the sludge bucket, sludge bucket bottom intercommunication has the blow off pipe, the overflow district with the delivery port intercommunication of sedimentation tank. After the rainwater enters the sedimentation tank, the flocculating agent firstly flows up and down alternately in the flocculation area and the flocculating agent input from the outside, and then enters the sedimentation area after being fully mixed, so that the sludge impurities sink into a sludge hopper at the bottom, and then are discharged through a sewage discharge pipe, thereby avoiding the rainwater from containing a large amount of impurities to enter a reservoir and causing the blockage of a subsequent drip irrigation belt.

Further, the water collecting pipe is provided with a sand filter. The rainwater coming out of the sedimentation tank is treated by a sand filter, so that the impurities of the rainwater are further removed.

Further, a switch device is arranged in the drainage well and comprises a floating ball, a supporting rod, a connecting rod and a blocking ball, the bottom of the drainage well is communicated with a drainage pipe, one end of the connecting rod is connected with the floating ball, the other end of the connecting rod is connected with the blocking ball, the supporting rod is vertically arranged at the bottom of the drainage well, the top end of the supporting rod is hinged to the middle of the connecting rod, and the outer diameter of the blocking ball corresponds to the caliber of the drainage pipe. After entering the drainage well, the initial rainwater with large pollution is discharged through the switch device, and then the middle-period and later-period rainwater is collected.

Further, a mechanical grid is arranged at the water inlet of the abandoned flow well. Large sundries such as branches, stones and the like are filtered through the mechanical grating, and the blockage of the abandoned flow well is avoided.

The beneficial effects of the utility model include: the rainwater is collected by the reservoir for drip irrigation, so that the running cost is reduced, the rainwater passes through the drainage well before entering the reservoir, enters the sedimentation tank for sedimentation treatment, the collected rainwater is ensured to be clean, and the drip irrigation belt is prevented from being blocked during the later drip irrigation; rainwater recovered in the cistern and liquid manure in the liquid manure jar carry along irrigation drier pipe, duplex filter, irrigation branch pipe and drip irrigation zone under the self pressure that gravity effect produced and wait to drip irrigation the plant root of drip irrigation and irrigate, and whole irrigation process need not power consumptive, consume oil and carry out power drive, and it is simple convenient to maintain, maintenance, economical and practical.

Drawings

Fig. 1 is an overall schematic of a gravity drip irrigation system in accordance with an embodiment of the present utility model.

FIG. 2 is a schematic diagram of a sedimentation tank in an embodiment of the present utility model.

FIG. 3 is a schematic diagram of a drainage well in an embodiment of the present utility model.

Reference numerals: 1, a reservoir; a 101PP module; 102, a breather pipe; 103 a drain well; 104 overflow pipe; 2, irrigating a main pipe; 3, irrigating branch pipes; 4, drip irrigation belts; a water collecting pipe 5; 6, a sedimentation tank; 601 dividing plate; 602 flocculation zone; 603 a sedimentation zone; 604 an overflow area; 605 a deflector; 606 sludge hopper; 607 drain pipe; 7, discarding the well; 701 a switching device; 7011 floating balls; 7012 struts; 7013 connecting rods; 7014 blocking balls; discarding the flow tube 702; 8, a water and fertilizer tank; 9 drip irrigation regulating valve; 10 a check valve; 11 duplex filters; 12, a water and fertilizer valve; 13 a screen filter; 14 a standby tank; 15, a standby water valve; a 16 water supplementing pipe; 17 pressure gauge; 18 a flow meter; 19 a pressure reducing valve; 20 sand filter.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved by the embodiments of the present utility model more clear, the present utility model is further described in detail below with reference to the accompanying drawings and the embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element. In addition, the connection may be for both the fixing action and the circuit communication action.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing embodiments of the utility model and to simplify the description by referring to the figures, rather than to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1 to 3, the gravity drip irrigation system disclosed in one embodiment comprises a reservoir 1, an irrigation main pipe 2, an irrigation branch pipe 3 and a drip irrigation belt 4, wherein the reservoir 1 is communicated with the irrigation main pipe 2, the irrigation main pipe 2 is communicated with the irrigation branch pipe 3, the irrigation branch pipe 3 is communicated with the drip irrigation belt 4, the bottom surface of the reservoir 1 is provided with a horizontal height which is at least 50cm greater than the irrigation ground, so that water in the reservoir 1 can flow to the irrigation ground under the action of gravity, a plurality of PP modules 101 are arranged in the reservoir 1 and are integrally buried underground, the top of the reservoir 1 is communicated with a vent pipe 102, a drain well 103 is arranged in the middle of the reservoir 1, an overflow pipe 104 is communicated with the upper part of the reservoir 1, the reservoir 1 is particularly excavated into a rectangular foundation pit with a depth of 3-5 m, a cement reinforcement foundation is arranged at the bottom of the pit, a geomembrane is paved in the pit, then the PP modules 101 are put, and the whole PP module 101 is covered by a geomembrane, a soil layer with the thickness of 50cm to 80cm is covered, crops are planted on the reservoir 1 conveniently, the waste of land resources is avoided, the water inlet of the reservoir 1 is connected with one end of the water collecting pipe 5, water is injected into the reservoir 1 through the water collecting pipe 5, one end of the water collecting pipe 5 away from the reservoir 1 is communicated with the water outlet of the sedimentation tank 6, the water inlet end of the sedimentation tank 6 is communicated with the water outlet of the drainage well 7, the water inlet of the drainage well 7 is communicated with an external water channel, when the rain water is in a rainy day, rainwater is discharged into the drainage well 7 along the external water channel, the initial rainwater is seriously polluted, then is discharged back to the external water channel through the drainage well 7, after the rainwater quantity is large, the rainwater enters the sedimentation tank 6 through the drainage well 7, and enters the reservoir 1 for collection and storage through the water collecting pipe 5, when the water level in the reservoir 1 is full, discharge to the external canal through overflow pipe 104; the water and fertilizer tank 8, the drip irrigation regulating valve 9, the check valve 10 and the duplex filter 11 are sequentially communicated on the irrigation main pipe 2, the water and fertilizer tank 8 is provided with the water and fertilizer valve 12, the horizontal height of the water and fertilizer tank 8 is smaller than or equal to the water reservoir 1 and larger than the irrigation ground, so that water in the water reservoir 1 can flow to the water and fertilizer tank 8 to be configured for water and fertilizer, the check valve 10 is arranged on one end, close to the water reservoir 1, of the irrigation main pipe 2, the water and fertilizer tank 8 is communicated on the irrigation main pipe 2 between the drip irrigation regulating valve 9 and the check valve 10, the water and fertilizer in the water and fertilizer tank 8 is prevented from flowing backwards into the water reservoir 1, the water and fertilizer valve 12 is arranged on a pipeline, communicated with the irrigation main pipe 2, of the water and fertilizer tank 8 is used for regulating the irrigation quantity of the water and fertilizer, and the duplex filter 11 is arranged on one end, far away from the water reservoir 1, of the irrigation main pipe 2. During drip irrigation, the drip irrigation regulating valve 9 and the water and fertilizer valve 12 are regulated and opened, the rainwater recovered in the reservoir 1 and the water and fertilizer in the water and fertilizer tank 8 are conveyed to the roots of plants to be drip irrigated along the irrigation dry pipe 2, the duplex filter 11, the irrigation branch pipe 3 and the drip irrigation belt 4 under the self pressure generated by the action of gravity, the whole irrigation process is free from power consumption and oil consumption, power driving is not needed, and the maintenance are simple and convenient, economical and practical.

The water outlet of the reservoir 1 is communicated with a screen filter 13, the outlet end of the screen filter 13 is communicated with the irrigation dry pipe 2, and the screen filter 13 is used for filtering irrigation water coming out of the reservoir 1 to prevent the irrigation water from containing impurities to block the drip irrigation tape 4.

The irrigation main pipe 2 is also communicated with a standby tank 14, the standby tank 14 and the water and fertilizer tank 8 are at the same level, a standby water valve 15 is arranged on a pipeline for communicating the standby tank 14 and the irrigation main pipe 2, the standby tank 14 is communicated with a water supplementing pipe 16, and one end of the water supplementing pipe 16, far away from the standby tank 14, is communicated with an external water source. In rainy days, a standby water valve 15 is opened, rainwater enters the reservoir 1 and then synchronously enters the standby tank 14 for storage, and when drought weather is met, the water in the reservoir 1 is used up, and the standby water valve 15 can be opened for emergency use; meanwhile, water can be supplemented into the standby tank 14 through the water supplementing pipe 16, so that the problem that the gravity drip irrigation system of the embodiment cannot normally operate in drought weather is avoided.

The pressure gauge 17 and the flow meter 18 are respectively arranged on the irrigation main pipe 2, and the pressure reducing valve 19 is arranged on one end of the irrigation main pipe 2 close to the irrigation branch pipe 3. According to the pressure value displayed by the pressure gauge 17 and the irrigation water quantity displayed by the flowmeter 18, the opening degree of the drip irrigation regulating valve 9 and the opening degree of the pressure reducing valve 19 are conveniently adjusted by operators, and the irrigation flow and the irrigation quantity are regulated.

The inside vertical division board 601 that is equipped with of sedimentation tank 6, division board 601 divide into flocculation zone 602, sedimentation zone 603 and overflow zone 604 with sedimentation tank 6 internal partition, and the crisscross a plurality of guide plates 605 that are provided with in the flocculation zone 602 makes the water that gets into in the flocculation zone 602 be wave form flow state, and sedimentation zone 603 bottom is equipped with sludge hopper 606, and sludge hopper 606 bottom intercommunication has blow off pipe 607, and overflow zone 604 communicates with the delivery port of sedimentation tank 6. The sedimentation tank 6 is preferably a advection sedimentation tank, when rainwater enters the sedimentation tank 6, the rainwater is firstly subjected to alternate cyclone flow up and down with flocculant input from the outside in the flocculation area 602, and then enters the sedimentation tank 6 to carry out advection after being fully mixed, so that sludge impurities sink into a sludge hopper 606 at the bottom, and then are discharged through a sewage discharge pipe 607, and the phenomenon that the rainwater contains a large amount of impurities and enters the water storage tank 1 to cause the blockage of a subsequent drip irrigation belt 4 is avoided.

The water collecting pipe 5 is provided with a sand filter 20, and the rainwater coming out of the sedimentation tank 6 is further treated by the sand filter 20 to remove impurities of the rainwater.

Be equipped with switch device 701 in abandoning the flow well 7, switch device 701 includes floater 7011, branch 7012, connecting rod 7013 and stifled ball 7014, has to abandon the flow tube 702 in abandoning the flow well 7 bottom intercommunication, and connecting rod 7013 one end is connected with floater 7011, and the other end is connected with stifled ball 7014, and branch 7012 vertical setting is in abandoning the flow well 7 bottom to the top articulates with connecting rod 7013's middle part, and stifled ball 7014 external diameter is corresponding with the bore of abandoning flow tube 702. After the initial rainwater enters the drainage well 7, because the flow is small and pollution is serious, when the rainwater flows through the drainage well 7, the rainwater flows out along the drainage pipe 702, the water level rises after the rainfall is increased, the pressure of the floating ball rises, the blocking ball 7014 is propped against the pipe orifice of the drainage pipe 702, the rainwater flows out along the water outlet of the drainage well 7, enters the sedimentation tank 6 for sedimentation treatment, a mechanical grid 2 is arranged at the water inlet of the drainage well 7, and large sundries such as branches, stones and the like are filtered through the mechanical grid 2, so that the blockage of the drainage well 7 is avoided.

The background section of the present utility model may contain background information about the problems or environments of the present utility model and is not necessarily descriptive of the prior art. Accordingly, inclusion in the background section is not an admission of prior art by the applicant.

The foregoing is a further detailed description of the utility model in connection with specific/preferred embodiments, and it is not intended that the utility model be limited to such description. It will be apparent to those skilled in the art that several alternatives or modifications can be made to the described embodiments without departing from the spirit of the utility model, and these alternatives or modifications should be considered to be within the scope of the utility model. In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "preferred embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Those skilled in the art may combine and combine the features of the different embodiments or examples described in this specification and of the different embodiments or examples without contradiction. Although embodiments of the present utility model and their advantages have been described in detail, it should be understood that various changes, substitutions and alterations can be made herein without departing from the scope of the utility model as defined by the appended claims.

Claims (10)

1. The utility model provides a gravity drip irrigation system, includes cistern, irrigation trunk, irrigation branch pipe and drip irrigation zone, the cistern with irrigation trunk intercommunication, irrigation trunk with irrigation branch pipe intercommunication, irrigation branch pipe with drip irrigation zone intercommunication, its characterized in that: the cistern sets up level and is greater than irrigates ground, the water inlet of cistern is connected with the collector pipe, the collector pipe is kept away from cistern one end and sedimentation tank's delivery port intercommunication, the inlet end of sedimentation tank and the delivery port intercommunication of abandoning the flow well, the water inlet and the outside ditch intercommunication of abandoning the flow well, it has liquid manure jar, drip irrigation governing valve, check valve and duplex filter to have linked in proper order on the irrigation main pipe, liquid manure jar sets up level and is less than or equal to the cistern to be greater than irrigates ground, the check valve sets up the irrigation main pipe is close to on the one end of cistern, liquid manure jar intercommunication is in drip irrigation the governing valve with be equipped with the liquid manure governing valve on the pipeline of intercommunication, duplex filter sets up on the one end of cistern is kept away from to irrigate the main pipe.

2. The gravity drip irrigation system according to claim 1, wherein: the water outlet of the reservoir is communicated with a screen filter, and the outlet end of the screen filter is communicated with the irrigation main pipe.

3. The gravity drip irrigation system according to claim 1, wherein: the inside PP module that is equipped with of cistern to wholly bury underground, cistern top intercommunication has and is equipped with the breather pipe, the cistern middle part is equipped with the drain well, cistern upper portion intercommunication has the overflow pipe.

4. The gravity drip irrigation system according to claim 1, wherein: the irrigation main pipe is also communicated with a standby tank, the standby tank and the water and fertilizer tank are at the same horizontal height, and a standby water regulating valve is arranged on a pipeline of the standby tank communicated with the irrigation main pipe.

5. The gravity drip irrigation system according to claim 4, wherein: the standby tank is communicated with a water supplementing pipe, and one end, far away from the standby tank, of the water supplementing pipe is communicated with an external water source.

6. The gravity drip irrigation system according to claim 1, wherein: the pressure gauge and the flowmeter are respectively arranged on the irrigation main pipe, and the pressure reducing valve is arranged at one end, close to the irrigation branch pipe, of the irrigation main pipe.

7. The gravity drip irrigation system according to claim 1, wherein: the inside vertical division board that is equipped with of sedimentation tank, the division board will sedimentation tank internal partition is flocculation zone, sedimentation zone and overflow district, the crisscross a plurality of guide plates that are provided with in the flocculation zone makes the entering water in the flocculation zone is the wave form flow state, the sedimentation zone bottom is equipped with the sludge bucket, sludge bucket bottom intercommunication has the blow off pipe, the overflow district with the delivery port intercommunication of sedimentation tank.

8. The gravity drip irrigation system according to claim 1, wherein: and a sand filter is arranged on the water collecting pipe.

9. The gravity drip irrigation system according to claim 1, wherein: the utility model discloses a drainage well, including the well, be equipped with switching device in the drainage well, switching device includes floater, branch, connecting rod and stifled ball, it has the drainage pipe to abandon the well bottom intercommunication, connecting rod one end with the floater is connected, the other end with it is connected to block up the ball, branch is vertical to be set up abandon the well bottom, and the top with the middle part of connecting rod articulates, the stifled ball external diameter with the bore of drainage pipe is corresponding.

10. The gravity drip irrigation system according to claim 9, wherein: and a mechanical grating is arranged at the water inlet of the abandoned flow well.