CN105277382B - A kind of water-fertilizer integral fertilizing equipment multi-function test stand - Google Patents
A kind of water-fertilizer integral fertilizing equipment multi-function test stand Download PDFInfo
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- CN105277382B CN105277382B CN201510766970.7A CN201510766970A CN105277382B CN 105277382 B CN105277382 B CN 105277382B CN 201510766970 A CN201510766970 A CN 201510766970A CN 105277382 B CN105277382 B CN 105277382B
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Abstract
The invention discloses a kind of water-fertilizer integral fertilizing equipment multi-function test stand, belongs to agricultural water fertilizer integration field.Mainly include water supply module, main water delivery module, test measurement module and tail water recycling template, the water supply module provides required pressure water for the main water delivery module, the main water delivery module and the test measurement module coordinate to complete the various performance tests of fertilizing equipment, the tail water recycling template be used for realizing test water recycle and the Sewage treatment of the water containing solution.The testing stand of the present invention is capable of the hydraulic performance test of proportion of carrying out fertilizing pump, Development of Venturi Fertilizer Applicator and differential pressure fertilization pot, the research platform provided convenience for the structural dimension optimization of Different Fertilization equipment, practical application simulation.
Description
Technical field
The invention belongs to agricultural water fertilizer integration field, specially water-fertilizer integral fertilizing equipment multi-function test stand.
Background technology
As population increases and industrializes, the resource environment such as Development of China's Urbanization acceleration, China's the decrease of cultivated land, water resources shortage
Constraint is more becoming tight, and at the same time, broad irrigation, excessive fertilization phenomenon are also commonplace in many places, water and fertilizer utilization compared with
It is low.Water-fertilizer integral（Fertigation）It is by fertilizer practice（Fertilization）With irrigation technique（Irrigation）Phase
With reference to a new technology, be the product that precision fertilizing is combined with precision irrigation, critical role occupied in micro irrigation technology, be
One of irrigation system feature the distinctest.The Integration of Water into Fertilizer utilizes irrigation system, and fertilizer is dissolved in water, entered simultaneously
Row is irrigated and fertilising, in good time, meets the needs of crops are to moisture and nutrient in appropriate amount, reaches water and fertilizer synchronization management and water saving section
Fertilizer and the purpose of volume increase.Since phase early 1970s, China introduced micro irrigation technology, water-fertilizer integral is in fruit tree, vegetable
More and more applied on dish, cotton and Protectorate cultivation crop.To widely popularize the Integration of Water into Fertilizer, the Ministry of Agriculture exists
Issue in 2013《The Integration of Water into Fertilizer instruction》In point out, to put forth effort promote the Integration of Water into Fertilizer localization,
Lightness and industrialization, by 2015, the Integration of Water into Fertilizer promoted the gross area and reaches more than 80,000,000 mu, increases popularizing area newly
More than 50000000 mu.2015, the Ministry of Agriculture issued again《To the year two thousand twenty fertilizer application amount zero growth rate action scheme》, this is very big
The development of the Integration of Water into Fertilizer has been promoted in degree.
Fertilizing equipment main at present has Development of Venturi Fertilizer Applicator, differential pressure fertilization pot and ratio fertilizing pump, in fertilizing equipment
The reverse side such as hydraulic performance research, structure design and optimal size research mostly use empirical formula method.An although part at present
Research work employs method for numerical simulation, but stills need by specific test data verify the accuracy of numerical simulation,
It is therefore desirable to meet the multi-function test stand of Different Fertilization equipment according to a variety of test objectives to design.
The content of the invention
For during fertilizing equipment testing stand is built, the function phase of testing stand is to single, and a variety of fertilisings are set at present
Platform is tested in the experiment pilot scale of standby and multipurpose to be needed to change, and can bring some unnecessary workloads and waste.The purpose of the present invention exists
In providing a kind of water-fertilizer integral fertilizing equipment multi-function test stand, the testing stand can be carried out including Development of Venturi Fertilizer Applicator, ratio
The various performance tests of Different Fertilization equipment including example fertilizing pump and differential pressure fertilization pot, it is that the performance of Different Fertilization equipment is surveyed
The analog study of examination, structural dimension optimization and practical application provides test platform.
For achieving the above object, the present invention adopts the following technical scheme that：A kind of water-fertilizer integral fertilizing equipment is more
Function test bed, including water supply module, main water delivery module, test measurement module and tail water recycling module, the confession
Water module provides required pressure water for the main water delivery module, and the main water delivery module and the test measurement module, which coordinate, have been come
Into the various performance tests of fertilizing equipment, tail water recycling module be used for realizing test water recycle and
The Sewage treatment of the water containing solution.
In such scheme, the water supply module includes the Ith motor, water pump, the IIth motor, the Ith water tank, agitator, the VIth
Gate valve, the Ith drainpipe, described water pump are connected with the Ith water tank, and the IIth motor, the Ith water are housed on the outside of the Ith water tank
The Ith drainpipe and the VIth gate valve are housed built with agitator, the Ith water tank exterior bottom on the outside of case.
In such scheme, the main water delivery module include the Ith gate valve, the Ith flowmeter, the Ith pressure sensor, the Ith threeway,
IVth gate valve, the IIth threeway, the IVth flowmeter, the IVth flow sensor, outlet pipe and conductivity sensor, described water pump
Outlet pipe is sequentially arranged with the Ith gate valve, the Ith flowmeter, the Ith pressure sensor, the Ith threeway；The Ith described threeway and the IIth threeway
Centre is equipped with the IVth gate valve；IVth electromagnetic flowmeter and the IVth pressure sensor are housed after the IIth described threeway；Described goes out
Water pipe is equipped with conductivity sensor after turning.
Preferably, the distance of the Ith flowmeter and the Ith gate valve is more than 10 times of calibers；IVth electromagnetic flowmeter with
The distance of IIth threeway is more than 10 times of calibers；The conductivity sensor and the distance of the IIth threeway are more than 40 times of pipes
Footpath.
In such scheme, the test measurement module includes power water inlet pipe, the IIth flowmeter, the IIth gate valve, the Ith loose joint
Head, the IIth pressure sensor, fertilizing equipment, the IIIth pressure sensor, the IIth articulation, the IIIth gate valve, the IIIth flowmeter, liquid manure
Mixed liquor outlet pipe, the IIth water tank, ball-cock assembly, the IIIth water tank, the 8th gate valve, the IIIth water tank outlet, the Ⅸth gate valve, the IIth water
Case discharge outlet forms；The IIth electromagnetic flowmeter and the IIth gate valve are sequentially arranged with described power water inlet pipe；Described power enters
Water pipe connects the Ith articulation, the IIth pressure sensor and fertilizing equipment successively after turning；Described liquid manure mixed liquor outlet pipe is successively
Equipped with the IIIth pressure sensor and the IIth articulation；Described liquid manure mixed liquor outlet pipe be sequentially arranged with after turning the IIIth gate valve and
IIIth electromagnetic flowmeter, main line is incorporated to eventually through the IIth threeway；The IIth described water tank and the IIIth water tank pass through ball-cock assembly
It is connected；The IIth described water tank bottom is equipped with equipped with the IIIth water tank bottom described in the Ⅸth gate valve and the IIth water tank discharge mouth of a river
VIIIth gate valve and the IIIth water tank outlet.
Preferably, the IIth electromagnetic flowmeter and the distance of the Ith threeway are more than 10 times of calibers, the IIth electromagnetic flowmeter and the IIth
The distance of gate valve is more than 3 times of calibers；IIth pressure sensor and the distance of the IIIth pressure sensor and fertilizing equipment are less than 4 times of pipes
Footpath；The distance of IIIth electromagnetic flowmeter and the IIIth gate valve is more than the distance of 10 times of calibers, the IIIth electromagnetic flowmeter and the IIth threeway
More than 3 times calibers；Ball-cock assembly is installed on away from the bottom of the IIth water tank at high 10cm.
Preferably, the volume of the IIth water tank and the ratio of the fertilizer-sucting quantity of fertilizing equipment unit interval are more than 3；IIIth water tank
The ratio of volume and the volume of the IIth water tank is more than 3.
Preferably, the IIth water tank is connected with the IIIth water tank by ball-cock assembly.
In such scheme, tail water recycling module includes the IIIth threeway, return pipe, the Vth gate valve, and the VIIth
Gate valve, outlet pipe discharge outlet, Sewage treatment pond；IIIth threeway and the VIIth gate valve；The outlet pipe discharge outlet and Sewage treatment pond
It is connected；IIIth threeway connects with return pipe, and return pipe communicates with the Ith water tank upper, and the Vth gate valve is housed on return pipe.
Beneficial effects of the present invention：The present invention only has a testing equipment, and pressure water is provided for fertilizing equipment by water pump,
, can with reference to the regulation of the unlatching of gate valve, closing and different opening as the test data needed for measuring instrumentss obtain various experiments
To complete the requirement of the requirement of operating mode needed for different tests and the circulation of different tests pipeline.
Brief description of the drawings
Fig. 1 is multi-function test stand schematic diagram.
In figure, 1 the Ith motor, 2 water pumps, 3 the Ith gate valves, 4 the Ith electromagnetic flowmeters, 5 the Ith pressure sensors, 6 the Ith threeways, 7
Power water inlet pipe, 8 the IIth electromagnetic flowmeters, 9 the IIth gate valves, 10 the Ith articulations, 11 the IIth pressure sensors, 12 fertilizing equipments,
13 the IIIth pressure sensors, 14 the IIth articulations, 15 the IIIth gate valves, 16 the IIIth electromagnetic flowmeters, 17 liquid manure mixed liquor outlet pipes,
18 the IVth gate valves, 19 the IIth threeways, 20 the IVth electromagnetic flowmeters, 21 the IVth flow sensors, 22 outlet pipes, 23 conductivity sensors
Device, 24 the IIIth threeways, 25 return pipes, 26 the Vth gate valves, 27 the IIth motors, 28 the Ith water tanks, 29 agitators, 30 the VIth gate valves, 31
Ith water tank outlet, 32 the VIIth gate valves, 33 outlet pipe discharge outlet, 34 Sewage treatment ponds, 35 the IIth water tanks, 36 ball-cock assemblys, 37
III water tank, 38 the VIIIth gate valves, 39 the IIIth water tank outlets, 40 the Ⅸth gate valves, 41 the IIth water tank outlets.
Embodiment
As shown in figure 1, the water-fertilizer integral fertilizing equipment multi-function test stand of the present invention is by the Ith motor 1, and water pump 2, the Ith
Gate valve 3, the Ith electromagnetic flowmeter 4, the Ith pressure sensor 5, the Ith threeway 6, power water inlet pipe 7, the IIth electromagnetic flowmeter 8, the IIth
Gate valve 9, the Ith articulation 10, the IIth pressure sensor 11, fertilizing equipment 12, the IIIth pressure sensor 13, the IIth articulation 14,
IIIth gate valve 15, the IIIth electromagnetic flowmeter 16, liquid manure mixed liquor outlet pipe 17, the IVth gate valve 18, the IIth threeway 19, the IVth electromagnetism
Flowmeter 20, the IVth flow sensor 21, outlet pipe 22, conductivity sensor 23, the IIIth threeway 24, return pipe 25, the Vth lock
Valve 26, the IIth motor 27, the Ith water tank 28, agitator 29, the VIth gate valve 30, the Ith water tank outlet 31, the VIIth gate valve 32, water outlet
Pipe discharge outlet 33, Sewage treatment pond 34, the IIth water tank 35, ball-cock assembly 36, the IIIth water tank 37, the VIIIth gate valve 38, the IIIth water tank row
The mouth of a river 39, the Ⅸth gate valve 40, the IIth water tank outlet composition 41.The suction side of water pump 2 is connected with the Ith water tank 28, and the Ith water tank 28 fills
There are the IIth motor 27 and agitator 29, the bottom of the Ith water tank 28 is equipped with the VIth gate valve 30 and the Ith water tank outlet 31, water pump water outlet
Pipe is sequentially arranged with the Ith gate valve 3 and the Ith electromagnetic flowmeter 4, and the distance of the Ith electromagnetic flowmeter and the Ith gate valve 3 is more than 10 times of pipes
Footpath；Ith pressure sensor 5 and the Ith threeway 6, the termination power that the Ith threeway 6 is branched away are housed on the pipeline for level of turning
Water inlet pipe 7, the IIth electromagnetic flowmeter 8 and the IIth gate valve 9, and the IIth electromagnetic flowmeter 8 and are sequentially arranged with power water inlet pipe 7
The distance of I threeway 6 is more than 10 times of calibers, and the distance of the IIth electromagnetic flowmeter 8 and the IIth gate valve 9 is more than 3 times of calibers；Power is intake
Pipe 7 connects the Ith articulation 10, the IIth pressure sensor 11 and fertilizing equipment 12 successively after turning；Liquid manure mixed liquor outlet pipe 17 according to
It is secondary that IIIth pressure sensor 13 and the IIth articulation 14 are housed, and the IIth pressure sensor 11 and the IIIth pressure sensor 13 are with applying
The distance of fertile equipment 12 is less than 4 times of calibers, and liquid manure mixed liquor outlet pipe 17 is sequentially arranged with the IIIth gate valve 15 and the IIIth electricity after turning
Magnetic flowmeter 16, main line, and the distance of the IIIth electromagnetic flowmeter 16 and the IIIth gate valve 15 are incorporated to eventually through the IIth threeway 19
The distance of more than 10 times calibers, the IIIth electromagnetic flowmeter 16 and the IIth threeway is more than 3 times of calibers；Ith threeway 6 and the IIth threeway 19
Centre is equipped with the IVth gate valve 18；Main line is equipped with the IVth electromagnetic flowmeter 20 and the IVth pressure sensor after the IIth threeway 19
21, and the IVth electromagnetic flowmeter 20 and the distance of the IIth threeway 19 are more than 10 times of calibers, outlet pipe 22 is sequentially arranged with electricity after turning
Conductivity sensor 23, the IIIth threeway 24 and the VIIth gate valve 32, it is connected eventually through outlet pipe discharge outlet 33 with Sewage treatment pond, and
The distance of the threeway of conductivity sensor 23 and the IIth is more than 40 times of calibers；IIIth threeway 24 connects with return pipe 25, return pipe 25
Communicated with the top of the Ith water tank 28, the Vth gate valve 26 is housed on return pipe 25；IIth water tank 35 and the IIIth water tank 37 pass through ball-cock assembly
36 are connected, and ball-cock assembly 36 is installed on away from the bottom of the IIth water tank 35 at high 10cm, and the bottom of the IIth water tank 35 is equipped with the Ⅸth lock
The water tank of valve 40 and the IIth discharges the mouth of a river 41, and the bottom of the IIIth water tank 37 is equipped with the VIIIth gate valve 38 and the IIIth water tank outlet 39.
Relation experiment process between ratio fertilizing pump or the pressure difference of Development of Venturi Fertilizer Applicator, flow and fertilizer-sucting quantity：Open the Ith
Gate valve 3, the IVth gate valve 18 and the Vth gate valve 26, the IIth gate valve 9, the IIIth gate valve 15 and the VIIth gate valve 32 are closed, start water pump 2,
Water in Ith water tank 28 enters main line after the supercharging of water pump 2, then opens the IIth gate valve 9 and the IIIth gate valve 15, regulation the IIth
The aperture of gate valve 9, the IIIth gate valve 15 and the IVth gate valve 18, ratio fertilizing pump or Development of Venturi Fertilizer Applicator 12 are inhaled from the IIIth water tank 37
Receive solution to be mixed, ball-cock assembly 37 controls the solution of the IIth water tank 35 to enter the IIIth water tank 37, so as to so that the IIIth water tank
37 liquid level keeps stable, passes through the Ith electromagnetic flowmeter 4, the IIth electromagnetic flowmeter 8, the IIIth electromagnetic flowmeter 16, the IVth electromagnetism
Flowmeter 20, the Ith pressure sensor 5, the IIth pressure sensor 11, the IIIth pressure sensor 13, the IVth pressure sensor 21 are surveyed
Relation between examination ratio fertilizing pump or the different pressure differences and flow and fertilizer-sucting quantity of Development of Venturi Fertilizer Applicator 12.
The dynamic rule experiment process of differential pressure fertilization pot fertilizer solution concentration：Open the Ith gate valve 3, the IVth gate valve 18 and
V gate valve 26, the IIth gate valve 9, the IIIth gate valve 15 and the VIIth gate valve 32 are closed, start water pump 2, the water in the Ith water tank 28 is through water pump
Enter main line after 2 superchargings, then open the IIth gate valve 9 and the IIIth gate valve 15, adjust the IIth gate valve 9, the IIIth gate valve 15 and the
The aperture of IV gate valve 18, passes through the Ith electromagnetic flowmeter 4, the IIth electromagnetic flowmeter 8, the IIIth electromagnetic flowmeter 16, the IVth electromagnetic current
Gauge 20, the Ith pressure sensor 5, the IIth pressure sensor 11, the IIIth pressure sensor 13, the IVth pressure sensor 21 are tested
The different operating parameter of differential pressure fertilization pot 12, mixed solution are discharged into waste water through outlet pipe 22 by outlet pipe discharge outlet 33
Recovery pond 34, pass through the dynamic rule of the fertilizer solution concentration of 23 test pressure differential fertilizer spreading tank of conductivity sensor 12.
The experiment process of solution viscosity comparative example fertilizing pump or Development of Venturi Fertilizer Applicator performance impact：Configure the molten of different viscosities
Liquid is placed in the IIth water tank 35 and the IIIth water tank 37, opens the Ith gate valve 3, the IVth gate valve 18 and the VIIth gate valve 32, closes the IIth gate valve
9th, the IIIth gate valve 15 and the Vth gate valve 26, water pump 2 is started, the water in the Ith water tank 28 enters main line after the supercharging of water pump 2, so
The IIth gate valve 9 and the IIIth gate valve 15, the aperture of the IIth gate valve 9 of regulation, the IIIth gate valve 15 and the IVth gate valve 18 are opened afterwards, and fertilising is set
Standby 12 from the IIIth water tank 37 absorbent solution mixed, ball-cock assembly 37 controls the solution of the IIth water tank 35 to enter the IIIth water tank
37, so as to which so that the liquid level of the IIIth water tank 37 keeps stable, mixed liquid is discharged into waste water through outlet pipe discharge outlet 33 and returned
Receives pond 34, by the Ith electromagnetic flowmeter 4, the IIth electromagnetic flowmeter 8, the IIIth electromagnetic flowmeter 16, the IVth electromagnetic flowmeter 20,
Ith pressure sensor 5, the IIth pressure sensor 11, the IIIth pressure sensor 13, the IVth pressure sensor 21 test solution viscosity
The influence of comparative example fertilizing pump or the performance of Development of Venturi Fertilizer Applicator 12.
Ratio fertilizing pump or the interior flow field PIV of Development of Venturi Fertilizer Applicator experiment processes：Make transparent ratio fertilizing pump or
The model machine of Development of Venturi Fertilizer Applicator 12, the trace particle of same concentrations is prepared in the Ith water tank 28, the IIth water tank 35 and the IIIth water tank 37
Solution, because the volume of the Ith water tank 28 is larger, it is necessary to open the IIth motor 27, using agitator 29 by the mix particles in water tank
Uniformly, the Ith gate valve 3, the IVth gate valve 18 and the Vth gate valve 26 are opened, closes the IIth gate valve 9, the IIIth gate valve 15 and the VIIth gate valve
32, start water pump 2, then adjust the aperture of the IIth gate valve 9, the IIIth gate valve 15 and the IVth gate valve 18, fertilizing equipment 12 from the IIIth
Absorbent solution is mixed in water tank 37, and ball-cock assembly 37 controls the solution of the IIth water tank 35 to enter the IIIth water tank 37, so as to
The liquid level of the IIIth water tank 37 is kept stable, pass through the Ith electromagnetic flowmeter 4, the IIth electromagnetic flowmeter 8, the IIIth electromagnetic flowmeter
16th, the IVth electromagnetic flowmeter 20, the Ith pressure sensor 5, the IIth pressure sensor 11, the IIIth pressure sensor 13, the IVth pressure
Sensor 21 tests ratio fertilizing pump or the running parameter of Development of Venturi Fertilizer Applicator 12, utilizes PIV technical testing different operating parameters
When ratio fertilizing pump or Development of Venturi Fertilizer Applicator 12 interior flow field.
Claims (8)
- A kind of 1. water-fertilizer integral fertilizing equipment multi-function test stand, it is characterised in that：Including water supply module, main water delivery module, Test measurement module and tail water recycling module, the water supply module provide required pressure for the main water delivery module Water, the main water delivery module and the test measurement module coordinate to complete fertilizing equipment（12）Various performance tests, it is described Tail water recycling module be used for realize test water recycle and the Sewage treatment of the water containing solution；The experiment is surveyed Amount module includes power water inlet pipe（7）, the IIth flowmeter（8）, the IIth gate valve（9）, the Ith articulation（10）, the IIth pressure sensing Device（11）, fertilizing equipment（12）, the IIIth pressure sensor（13）, the IIth articulation（14）, the IIIth gate valve（15）, the IIIth flowmeter （16）, liquid manure mixed liquor outlet pipe（17）, the IIth water tank（35）, ball-cock assembly（36）, the IIIth water tank（37）, the 8th gate valve（38）, IIIth water tank outlet（39）, the Ⅸth gate valve（40）, the IIth water tank outlet（41）Composition；Described power water inlet pipe（7）On It is sequentially arranged with the IIth electromagnetic flowmeter（8）With the IIth gate valve（9）；Described power water inlet pipe（7）The Ith loose joint is connect after turning successively Head（10）, the IIth pressure sensor（11）And fertilizing equipment（12）；Described liquid manure mixed liquor outlet pipe（17）It is sequentially arranged with III pressure sensor（13）With the IIth articulation（14）；Described liquid manure mixed liquor outlet pipe（17）The IIIth is sequentially arranged with after turning Gate valve（15）With the IIIth electromagnetic flowmeter（16）, eventually through the IIth threeway（19）It is incorporated to main line；The IIth described water tank （35）With the IIIth water tank（37）Pass through ball-cock assembly（36）It is connected；The IIth described water tank（35）Bottom is equipped with the Ⅸth gate valve（40） The mouth of a river is discharged with the IIth water tank（41）, described the IIIth water tank（37）Bottom is equipped with the VIIIth gate valve（38）With the IIIth water tank outlet （39）.
- A kind of 2. water-fertilizer integral fertilizing equipment multi-function test stand according to claim 1, it is characterised in that：The confession Water module includes the Ith motor（1）, water pump（2）, the IIth motor（27）, the Ith water tank（28）, agitator（29）, the VIth gate valve （30）, the Ith drainpipe（31）, described water pump（2）With the Ith water tank（28）It is connected, the Ith water tank（28）Outside is equipped with the IIth Motor（27）, the Ith water tank（28）Outside is built with agitator（29）, the Ith water tank（28）Exterior bottom is equipped with the Ith row Water pipe（31）With the VIth gate valve（30）.
- A kind of 3. water-fertilizer integral fertilizing equipment multi-function test stand according to claim 2, it is characterised in that：The master Water delivery module includes the Ith gate valve（3）, the Ith flowmeter（4）, the Ith pressure sensor（5）, the Ith threeway（6）, the IVth gate valve（18）、 IIth threeway（19）, the IVth flowmeter（20）, the IVth flow sensor（21）, outlet pipe（22）And conductivity sensor（23）, Described water pump（2）Outlet pipe be sequentially arranged with the Ith gate valve（3）, the Ith flowmeter（4）, the Ith pressure sensor（5）, the Ith threeway （6）；The Ith described threeway（6）With the IIth threeway（19）Centre is equipped with the IVth gate valve（18）；The IIth described threeway（19）After fill There is the IVth electromagnetic flowmeter（20）With the IVth pressure sensor（21）；Described outlet pipe（22）Conductivity sensors are housed after turning Device（23）.
- A kind of 4. water-fertilizer integral fertilizing equipment multi-function test stand according to claim 3, it is characterised in that：Described I flowmeter（4）With the Ith gate valve（3）Distance be more than 10 times of calibers；IVth electromagnetic flowmeter（20）With the IIth threeway （19）Distance be more than 10 times of calibers；The conductivity sensor（23）With the IIth threeway（19）Distance be more than 40 times pipe Footpath.
- A kind of 5. water-fertilizer integral fertilizing equipment multi-function test stand according to claim 1, it is characterised in that：IIth electricity Magnetic flowmeter（8）With the Ith threeway（6）Distance be more than 10 times of calibers, the IIth electromagnetic flowmeter（8）With the IIth gate valve（9）Away from From more than 3 times calibers；IIth pressure sensor（11）With the IIIth pressure sensor（13）With fertilizing equipment（12）Distance be less than 4 Times caliber；IIIth electromagnetic flowmeter（16）With the IIIth gate valve（15）Distance be more than 10 times of calibers, the IIIth electromagnetic flowmeter（16） It is more than 3 times of calibers with the distance of the IIth threeway；Ball-cock assembly（36）It is installed on away from the IIth water tank（35）The high 10cm in bottom at.
- A kind of 6. water-fertilizer integral fertilizing equipment multi-function test stand according to claim 1, it is characterised in that：IIth water Case（35）Volume and fertilizing equipment（12）The ratio of the fertilizer-sucting quantity of unit interval is more than 3；IIIth water tank（37）Volume and the II water tank（35）Volume ratio be more than 3.
- A kind of 7. water-fertilizer integral fertilizing equipment multi-function test stand according to claim 1, it is characterised in that：IIth water Case（35）With the IIIth water tank（37）Pass through ball-cock assembly（36）Connection.
- A kind of 8. water-fertilizer integral fertilizing equipment multi-function test stand according to claim 1, it is characterised in that：The tail Water Sproading, which recycles module, includes the IIIth threeway（24）, return pipe（25）, the Vth gate valve（26）, the VIIth gate valve（32）, water outlet Pipe discharge outlet（33）, Sewage treatment pond（34）；IIIth threeway（24）With the VIIth gate valve（32）；Described outlet pipe discharge outlet（33） It is connected with Sewage treatment pond；IIIth threeway（24）With return pipe（25）Connect, return pipe（25）With the Ith water tank（28）Top Communicate, return pipe（25）It is upper that Vth gate valve is housed（26）.
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| CN106153366A (en) * | 2016-07-25 | 2016-11-23 | 中国农业大学 | A kind of device detecting combined type fat absorption device fertilizer-sucting performance |
| CN108225805B (en) * | 2017-12-18 | 2023-09-08 | 农业部规划设计研究院 | Performance detection system and method for water-fertilizer integrated machine |
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| CN204579115U (en) * | 2015-01-22 | 2015-08-26 | 广东省现代农业装备研究所 | A kind of multi-functional water-fertilizer integral fertigation facility |
| CN205879556U (en) * | 2015-11-12 | 2017-01-11 | 江苏大学 | Many function test of liquid manure integration fertilizing equipment platform |
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