CN202635253U - Pneumatic control flow drop irrigation tank for agricultural irrigation - Google Patents
Pneumatic control flow drop irrigation tank for agricultural irrigation Download PDFInfo
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- CN202635253U CN202635253U CN2012202954379U CN201220295437U CN202635253U CN 202635253 U CN202635253 U CN 202635253U CN 2012202954379 U CN2012202954379 U CN 2012202954379U CN 201220295437 U CN201220295437 U CN 201220295437U CN 202635253 U CN202635253 U CN 202635253U
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- tank
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- irrigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
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Abstract
The utility model relates to agricultural irrigation equipment, in particular to a pneumatic control flow drop irrigation tank for agricultural irrigation. The drop irrigation tank is provided with an airtight tank body, and is characterized in that a one-way exhaust safety valve and a pneumatic control regulating valve are mounted at the top of the tank body; a water inlet pipe and a water outlet pipe are mounted at the bottom of the tank body; a linked switch is mounted between the water inlet pipe and the water outlet pipe; the linked switch comprises a bearer; a lever-type valve rod is mounted on the bearer; the two ends of the valve rod are provided with airtight structures, wherein one of the airtight structures oppositely faces the water inlet pipe, and the other airtight structure oppositely faces the water outlet pipe; a tension spring is mounted on one side of the valve rod close to the water inlet pipe; a distributor is mounted at the external end of the water outlet pipe; and each tap joint of the distributor is connected with a delivery hose. The drop irrigation tank provided by the utility model overcomes the defects of easy blockage, incapability of flow regulation, complex dropper structure, high manufacturing cost, short service life and large system power consumption and the like in the prior agricultural drop irrigation system because a special dropper is adopted for drop irrigation, thus the drop irrigation tank can be widely used for crop irrigation.
Description
(i) technical field: the utility model relates to the agricultural irrigation device, gas control flow drip irrigation tank for especially a kind of agricultural irrigation.
(ii) background technology: it is exactly the drip irrigation technique system that modern agriculture has an important branch in irrigating, this system includes a pump works and water main, distributive pipe and is contained in a plurality of special-purpose water dropper on distributive pipe, this emitter structure is very complicated, it (is mainly that water dropper is contained in high-pressure system that the accuracy of manufacture requires high, realize the droplet pouring), the water dropper of current domestic employing mainly relies on import, and domestic have the minority Counterfeit Item, but technology does not pass a test.The problem that existing special-purpose water dropper exists both at home and abroad is:
(1) water dropper easily stops up
Blockage problem is the subject matter that drip irrigation system exists.Generally, because the cross-section of river of the water flow passage in water dropper is very little, diameter is about 0.5-1.2mm, very easily by the various solid matter in water, stopped up, therefore drip irrigation system requires extremely tight to water quality, generally must carry out chemical treatment and filtration to water, and will install filters at different levels additional, must make in water not containing silt, impurity, algae and chemical sediment.NORTHWEST CHINA area serious water shortage, silt content, the turbidity at general water source are very high, have limited widely its scope of application, service life for this reason and have improved use cost.
(2) power consumption is large, and operating cost is high
Water dropper will be used the water of pressure during drip irrigation, and this just requires pump motor process pump water always.By pipeline, to water dropper pressurization water supply, during drip irrigation, be a very long process, pump motor moves always during this period, needs to use expensive electric energy, and power consumption has become the main operating cost of system.
(3) the water dropper irrigation quantity is inhomogeneous
Because emitter structure is complicated and be subject to the impact of the accuracy of manufacture, assembly precision; The poor impact of head pressure produced because of landform, landforms, physical features; And the different impact of pipe network each point head pressure; Make the circulation between water dropper differ larger, 20-30% error is arranged, even higher, and then affect irrigation effect.
(4) service life is short
After stopping filling with, water dropper is subject to the impact of silt, impurity, algae and chemical sediment, and water dropper is easily stopped up.Add difficult clean and maintenance and scrap, system is generally a crop irrigation cycle in service life, and can not reuse.
(5) system is adjusted slow in reacting to the crop irrigation system
Because the flow of each water dropper is a definite value, after installing and using, just can not make any adjustments, if crops environment (as temperature, rainfall, fertilising, damage by disease and insect etc.) in process of growth changes.As damage caused by a drought increases the weight of, require to strengthen irrigation quantity, but now because water dropper circulation in system is fixed and can not increase irrigation quantity, thereby affect the growth of crops.
(6) water dropper making precision is high, and cost of manufacture is high, cost performance is low.
(iii) summary of the invention: the purpose of this utility model will solve in existing drip irrigation technique system exactly, must adopt special-purpose water dropper, and there is complex structure in this special-purpose water dropper, manufacturing cost is high, and service life is short, easily stop up, the water yield is inhomogeneous, can not regulate, and affect the system power consumption increase, the problems such as operating cost height, provide gas control flow drip irrigation tank for a kind of agricultural irrigation.
Concrete scheme of the present utility model is: gas control flow drip irrigation tank for a kind of agricultural irrigation, and it has airtight tank body, particularly: the gentle control regulation valve of one-way exhaust anti-overflow valve is installed at the top of tank body; In the bottom of tank body, water inlet pipe, outlet pipe are installed, between water inlet pipe and outlet pipe, linked switch is installed, this linked switch includes a bearing, the lever valve rod is housed on bearing, the two ends of valve rod are designed with enclosed construction, and wherein an end enclosed construction is arranged over against water inlet pipe, and the other end is over against outlet pipe arrangement, and by water inlet pipe one side, extension spring is housed on valve rod, and in the outlet pipe outer termination, distributor is housed; Described distributor has distribution cavity, and distribution cavity is provided with some taps, and each tap is connected with a delivery hose.
For guaranteeing the drip irrigation time of every tank, the distribution cavity of distributor described in the utility model is provided with 1-6 root arm, and it is also feasible certainly designing more arm.
For the end water dropping openings that guarantees delivery hose accurately drips, prevent from stopping up, the end at delivery hose in the utility model is equipped with the water dropper cover, and this water dropper cover has the bowl-type case, has some air-vents on case.
In order to facilitate lifting of the present utility model to use, the utility model is provided with suspension ring at the tank body top.
For the convenient tank body that cleans, the utility model is equipped with blow-off pipe in the bottom of tank body, is fitted with blowoff valve.
The enclosed construction at the two ends of valve rod described in the utility model, include two pressing plates that are more than or equal to respectively water inlet pipe and outlet pipe external diameter, and rubber seal is equipped with in the pressing plate bottom surface.
The utlity model has following characteristics:
1, timeliness:
According to the irrigation program of crops, the drip irrigation cycle (after establishing 3～5 hours) is set, now in tank, the whole drip irrigations of water are complete.
The one cycling time of drip irrigation
=tank body is full of water time+drip irrigation work deadline+nargin time
=5～7 minutes+3～5 hours+1 hour
In tank, all devices complete initialization, prepare to meet next cycle to start.
Whole irrigation process can, according to the drip irrigation water consumption intensity Q of crops, be designed to n cycle.
Q=
In formula: Q: total irrigation quantity L q: tank body water carrying capacity L n: periodicity
The water pump system that whole drip irrigation process can be controlled by PLC completes automatically, and can revise at any time former setting according to actual conditions, the irrigation effect come to perfection.
Owing in drip irrigation, in the cycle, having introduced the concept (and this time margin can regulate and control by the pump motor control system PLC very easily) of time margin, therefore the time of filling with the phase is controlled good adjustment space has been arranged.It can be set forth with following formula:
H=
In formula: H: total time requirement (hour)
H: the drip irrigation cycle (hour)
N: periodicity
As can be seen here, can in the time interval of setting, fully hit the target.
2, appropriate property:
Due to drip irrigation tank, in drip irrigation, the irrigation quantity in the cycle is to measure with can pack into the amount of water maximum of tank body.Therefore can well, very easily total irrigation quantity of filling phase accurately be controlled, only require that system-wide tank body capacity size is all consistent.It can be set forth with following formula:
Q=
In formula: Q: total irrigation quantity (liter)
Q: the maximum water carrying capacity (liter) of tank body
N: periodicity
3, anti-clogging:
Can do one to the performance of anti-blockage of drip irrigation tank by the operation principle to water dropper and anti-clogging performance evaluation understands fully, the crop irrigation system to the drip irrigation requirement is: water will, with the water droplet form timely and appropriately to root system supply moisture and the nutrient of crop, be below water droplet head hydraulic formula (selecting from Mr. Zhang Zhixin work " drip irrigation project planning and designing principle and application ")
Laminar flow q=1.272d
2.70(
)
0.8(4-14)
Turbulent flow q=1.776d
2.70(
)
0.56(4-15)
In formula: q: water dropper flow L/H d: microtubule diameter mm
H: pressure head m L: microtube length m
This formula explanation " flow by water dropper is to be controlled by water dropper operating pressure h, emitter flow channel shape, cross dimensions and flow path length usually ".
The measure of an essence of anti-clogging is exactly to guarantee that under water dropper flow q value prerequisite up to standard, (2-12 l/hs) enlarge microtubule diameter as far as possible, existing water dropper microtubule diameter is d=0.85mm, just can reach the ideal range of q value, and the d value of the utility model drip irrigation tank can reach d=1.8mm, the internal diameter expansion is twice above.So improved greatly the anti-obstruction of system.
Referring to Fig. 4, this is flow and the hydraulic pressure functional arrangement of existing water dropper, and wherein constant is designed to
q=1.776d
2.70(h/L)
0.56
Q--water dropper flow L/h in formula (l/h)
D-microtubule diameter, value 0.85mm
L-microtubule major diameter, value 0.5m
H-pressure head, value 0-15m
Referring to Fig. 5, this is flow of the present utility model and hydraulic pressure functional arrangement, and wherein constant is designed to
q=1.272d
2.70(h/L)
0.80
Q--water dropper flow L/h in formula (l/h)
D-microtubule diameter, value 1.8 mm
L-microtubule major diameter, value 1.0 m
H-pressure head, value 0-2.0 m.
4, drip irrigation tank can be interpreted as to an airtight space, the water of water dropper, by the flow flowed out in tank body, not only by gravity effect, also is subject to atmospheric the impact.Otherwise can understand like this, use gas control control valve regulation and control atmosphere just can control the water dropper flow to the air inflow in tank.Certainly, it is very accurate that this gas control water regulating valve requirement is done, and because air flows in valve flowing channel, do not exist the material of solid to stop up runner.This is a kind of good flow control mode.
5, to water quality requirement: because the microtubule aperture is large, runner is short, anti-blocking property is good, therefore the requirement of silt, impurity, algae and the chemical precipitates at water source also just reduced, requirement and the investment of filter plant are also just reduced simultaneously, enlarge widely the scope of application at water source, improved service life.
6, reduce energy consumption:
From the hydraulic principle of water dropper, analyze, existing water dropper is a step-down, energy dissipator, and by the stream of the pressure water on hollow billet, the current with drop after the water dropper energy dissipating supply water to crop root zone, and between during irrigation period, pump motor will turn round always.
And drip irrigation tank is, by pump motor, water is sent into to drip irrigation tank by pipeline, the pump motor of just cutting off the water of pouring water after being full of, then water supplies water to crop root zone by gravity (energy), less than the also process of not step-down energy dissipating.Therefore saved widely energy consumption.
7, can be unattended, automaticity is high, (except pump motor and PLC control system) system can be without electricity work.The intelligence interface degree is high.
8, cost:
Owing to having reduced and having simplified Water-quality treater, cost of investment reduces.Owing to having reduced power consumption, operating cost reduces.Because water pump operation fully can be unmanned by using PLC to control, reduced cost of labor.
9, the water dropper water outlet is uniform and stable: the impact owing to not being subject to landform, landforms and the pipe network loss of flood peak, only rely on the gravity adjustment, and after tank body and the ground surface discrepancy in elevation are determined, the uniformity of water outlet size just can have been determined.
10, making requires low: can in factory, tank body all have been assembled, detect performance, method is simple, quick, facilitates batch production, production of machinery and assembly line.
11, establishment of component is simple, technology maturation, and reliability is high, and cost of manufacture is low.
12, to crops Different Irrigation system, can regulate easily with the startup turn on pump cycle of regulating pump motor that (photosynthesis of crop weakens such as night, can adjust the long watering period, this electric system of controlling at PLC is easy to accomplish, can also regulate by the Pneumatic valve amount of being dripped, easy to operate.
13, a drip irrigation tank can be used for a plurality of droppers (the design is 1-6) can make crop root zone absorption moisture even simultaneously.
14, with water dropper, use 1 year (or once) to compare, reach more than 10 years the service life of drip irrigation tank.
(iv) accompanying drawing explanation:
Fig. 1 is that the utility model general structure (profile) is installed and used view;
Fig. 2 is the main cutaway view of the utility model tank body part;
Fig. 3 is water dropper cover part zoomed-in view;
Fig. 4 is flow and the hydraulic pressure relation function figure of existing water dropper;
Fig. 5 is flow of the present utility model and hydraulic pressure relation function figure.
In figure: 1-pole, 2-suspension ring, 3-tank body, 4-water inlet pipe, the 5-outlet pipe, 6-distributor, 7-delivery hose, 8-one-way exhaust anti-overflow valve, 9-water dropper cover, 10-arm, 11-tube connector, 12-lifting rope, the 13-blowoff valve, 14-blow-off pipe, 15-bearing, 16-valve rod, the 17-pressing plate, 18-seal, 19-gas control control valve, 20-extension spring, the 21-air-vent, 22-distribution cavity, 23-tap.
(v) embodiment:
Referring to Fig. 1,2, the utlity model has airtight tank body 3, particularly: one-way exhaust anti-overflow valve 8(is installed at the top of tank body 3 and includes valve body, two ball floats are housed, wherein upper floating ball density 0.3g/cm in valve body
3, lower ball float density 0.8 g/cm
3, be provided with dividing plate between two ball floats, having ventilation hole on dividing plate) and gentle control regulation valve 19(includes valve body, and ball float is housed in valve body, the valve body top is provided with air admission hole, is furnished with the air inlet adjustment screw rod), the ball float in valve body, the top of valve body has ventilation hole); Water inlet pipe 4, outlet pipe 5 are installed in the bottom of tank body 3, between water inlet pipe 4 and outlet pipe 5, linked switch is installed, this linked switch includes a bearing 15, lever valve rod 16 is housed on bearing 15, the two ends of valve rod 16 are designed with enclosed construction, and wherein an end enclosed construction is arranged over against water inlet pipe 4, and the other end is arranged over against outlet pipe 5, and by water inlet pipe 4 one sides, extension spring 20 is housed on valve rod 16, and in outlet pipe 5 outer termination, distributor 6 is housed; Described distributor 6 has distribution cavity, and distribution cavity is provided with five tap 23(and generally designs 1-6 tap), each tap 23 is connected with a delivery hose 7.
In the utility model embodiment, preferably the end at delivery hose 7 is equipped with water dropper cover 9, and this water dropper cover 9 has the bowl-type case, have some air-vent 21(on case referring to Fig. 3), and be provided with suspension ring 2 at tank body 3 tops, and in the bottom of tank body 3, blow-off pipe 14 is housed, be fitted with blowoff valve 13.
The enclosed construction at 16 two ends of valve rod described in the present embodiment, include two pressing plates 17 that are more than or equal to respectively water inlet pipe 4 and outlet pipe 5 external diameters, and rubber seal 18 is equipped with in pressing plate 17 bottom surfaces.
Operation principle of the present utility model is: (referring to Fig. 1,2) is according to range of application, prepare several the utility model drip irrigation tanks, by drip irrigation tank adopt lifting rope 12 by suspension ring 2, hang in the tree or pole 1 on, every delivery hose 7 on each drip irrigation tank is arranged into respectively on corresponding crops (or trees etc.) ground, general every strain crops are joined a delivery hose, and the water dropper cover 9 of delivery hose end is placed on the ground on crops side.The water inlet pipe of drip irrigation tank 4 is also included to pump works, distribution cavity by the arm 10(drip irrigation system in the external drip irrigation system of tube connector 11).Original state, the linked switch in the utility model cuts out water inlet pipe 4 at the enclosed construction of effect lower valve rod 16 1 ends of extension spring 20, and the enclosed construction of valve rod 16 other ends is thrown off outlet pipe 5, tank body is anhydrous vacant.Start water pump, the water pump pressurization of drawing water from water source, by supervisor, arm, pressurized water source is pushed the linked switch on the utility model water inlet pipe open, in tank body, intake, linked switch, under Water Pressure, opens water inlet pipe and cuts out outlet pipe simultaneously, when in tank body, water level rises to top, anti-sealing overflow is closed in the lower ball float rising in one-way exhaust anti-overflow valve 8, and the ball float in gas control control valve 19 rises simultaneously, anti-sealing overflow, rising water pressure in tank body, after water in all drip irrigation tanks is filled it up with, water pump stops supplying water, release.Because the hydraulic pressure on water inlet pipe disappears, the utility model is under extension spring 20 effects, and linked switch cuts out water inlet pipe, opens outlet pipe simultaneously, water in tank body drips tank by outlet pipe, delivery hose on the ground to crops, and the air inflow of operation gas control control valve 19 can be regulated the amount of dripping.After water all drips off in tank body, can use needs according to design, stop certain hour, then open water pump and enter next circulation.
Claims (6)
1. a gas control flow drip irrigation tank for agricultural irrigation, have airtight tank body, it is characterized in that: the gentle control regulation valve of one-way exhaust anti-overflow valve is installed at the top of tank body; In the bottom of tank body, water inlet pipe, outlet pipe are installed, between water inlet pipe and outlet pipe, linked switch is installed, this linked switch includes a bearing, the lever valve rod is housed on bearing, the two ends of valve rod are designed with enclosed construction, and wherein an end enclosed construction is arranged over against water inlet pipe, and the other end is over against outlet pipe arrangement, and by water inlet pipe one side, extension spring is housed on valve rod, and in the outlet pipe outer termination, distributor is housed; Described distributor has distribution cavity, and distribution cavity is provided with some taps, and each tap is connected with a delivery hose.
2. gas control flow drip irrigation tank for a kind of agricultural irrigation according to claim 1, it is characterized in that: the distribution cavity of described distributor is provided with 1-6 root arm.
3. gas control flow drip irrigation tank for a kind of agricultural irrigation according to claim 1, it is characterized in that: the end at delivery hose is equipped with the water dropper cover, and this water dropper cover has the bowl-type case, has some air-vents on case.
4. gas control flow drip irrigation tank for a kind of agricultural irrigation according to claim 1, is characterized in that: at the tank body top, be provided with suspension ring.
5. gas control flow drip irrigation tank for a kind of agricultural irrigation according to claim 1, it is characterized in that: blow-off pipe is equipped with in the bottom at tank body, is fitted with blowoff valve.
6. gas control flow drip irrigation tank for a kind of agricultural irrigation according to claim 1 is characterized in that: the enclosed construction at described valve rod two ends, include two pressing plates that are more than or equal to respectively water inlet pipe and outlet pipe external diameter, and rubber seal is equipped with in the pressing plate bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202954379U CN202635253U (en) | 2012-06-23 | 2012-06-23 | Pneumatic control flow drop irrigation tank for agricultural irrigation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202954379U CN202635253U (en) | 2012-06-23 | 2012-06-23 | Pneumatic control flow drop irrigation tank for agricultural irrigation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202635253U true CN202635253U (en) | 2013-01-02 |
Family
ID=47404462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202954379U Withdrawn - After Issue CN202635253U (en) | 2012-06-23 | 2012-06-23 | Pneumatic control flow drop irrigation tank for agricultural irrigation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202635253U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104350964A (en) * | 2014-12-05 | 2015-02-18 | 大顺国际花卉股份有限公司 | Pineapple flower forcing technology |
-
2012
- 2012-06-23 CN CN2012202954379U patent/CN202635253U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104350964A (en) * | 2014-12-05 | 2015-02-18 | 大顺国际花卉股份有限公司 | Pineapple flower forcing technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130102 Effective date of abandoning: 20130403 |
|
| RGAV | Abandon patent right to avoid regrant |