CN110122275A - A kind of agricultural water-saving irrigation system - Google Patents
A kind of agricultural water-saving irrigation system Download PDFInfo
- Publication number
- CN110122275A CN110122275A CN201910524022.0A CN201910524022A CN110122275A CN 110122275 A CN110122275 A CN 110122275A CN 201910524022 A CN201910524022 A CN 201910524022A CN 110122275 A CN110122275 A CN 110122275A
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- China
- Prior art keywords
- water
- irrigation
- cavity
- setting
- filtering
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/02—Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
Abstract
The invention discloses a kind of agricultural water-saving irrigation systems by being provided with filter device and irrigation rig, is filtered processing to the irrigation water flowed into inside irrigation rig by filter device, blocks irrigation rig so as to avoid the impurity in irrigation water；Back flush line is provided on filter device simultaneously for carrying out recoil cleaning to the impurity in filter device, has ensured the filter effect of filter device；Several outside diverging sprinkler irrigation jet pipes are set on irrigation rig simultaneously, so that more dispersing from the irrigation water that irrigation rig sprays, to save irrigation water.
Description
Technical field
The present invention relates to a kind of agricultural water-saving irrigation more particularly to a kind of agricultural water-saving irrigation systems.
Background technique
Since shortage of water resources problem is increasingly severe at this stage, then some present places are by slight irrigation come to agricultural product
It is irrigated, can either accomplish that crops orientation water supply is irrigated in this way, and the purpose of water conservation can be played, but due to micro-
The water outlet for filling the irrigation head used is smaller, and the fixation impurity in irrigation water is more, and will result in irrigation head blocking in this way influences
The irrigation of crops, settling mode are to be irrigated being transported in irrigation head by filter device after irrigation water filtering,
It thus needs that filter device is cleared up or replaced often, to influence the irrigation of crops.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention provides a kind of agricultural water-saving irrigation system.
Technical solution: to achieve the above object, a kind of agricultural water-saving irrigation system of the invention: include filter device and
Irrigation rig, the cylindrical setting of filter device, is respectively arranged with filtered water inlet pipe on the both ends of the filter device
With filtering outlet pipe, water main is connected to setting with filtered water inlet pipe, the first liquid feed valve is provided on the water main；The main water
Back flush line is provided on pipe, one end of the back flush line is connected to setting, the mistake of the other end and filter device with water main
Filter out water pipe connection setting；The second liquid feed valve is respectively arranged on the water inlet end position of the back flush line and its water outlet position
With third liquid feed valve, recoil removal of impurities is carried out to filter device by the water body in back flush line；Setting at the top of the filter device
There is booster pump, the boost port of the booster pump is connected in back flush line, and the water velocity in back flush line is made by booster pump
It speeds；Irrigation water is conveyed by back flush line to recoil to filter device, makes the solid impurity being fastened on inside filter device
Filter device is washed from by irrigation water, so as to effectively restore filter device to the filter effect of irrigation water.
It is provided with and communicated on the filtering outlet pipe of the filter device and several irrigation pipe, the irrigation pipe is arranged in parallel
Water entering section at be respectively arranged with the 5th liquid feed valve；The lower section of the irrigation pipe has uniformly been placed equidistant with irrigation rig, described
Irrigation rig includes to irrigate cavity and sealing cover, and the sealing cover, which is bolted, is arranged in the upper end top for irrigating cavity
Portion；The irrigation water inlet pipe through sealing cover both ends of the surface is provided on the sealing cover, one end connection for irrigating water inlet pipe is set
It sets on irrigation pipe, the other end passes through sealing cover and is arranged in irrigation cavity；The appearance wall for irrigating cavity concaves
It falls into and is provided with annular groove, upper circumference is provided with several irrigation jet pipes along the vertical direction in the annular groove；The irrigation spray
Far from several fluid holes are provided on the surface for irrigating cavity on pipe, several fluid holes are uniformly arranged along the vertical direction；Institute
It states the bottom water inlet end for irrigating jet pipe and is connected to setting with inside cavity is irrigated, the filling for irrigating inside cavity is entered by irrigation pipe
It irrigates water and dissipates ejection outward from the fluid hole irrigated on jet pipe；Multiple irrigation jet pipes are provided on irrigation rig, so that from every
The irrigation water sprayed on a irrigation jet pipe is more tiny, so that more being dispersed by the irrigation water at irrigation rig spray, to agriculture
The irrigation efficiency of crop is higher.
Further, the filter device includes filtering body and lid, and the lid is bolted setting
In the open end of filtering body；The first filter structure and the second filtering are disposed with along water (flow) direction in the filtering body
Structure, the liquid feeding end of the second filter structure of outlet end face of first filter structure；Irrigation water passes sequentially through the first filtering
To entering in filtering outlet pipe after the filtering and impurity removing of structure and the second filter structure, the 4th is provided on the filtering outlet pipe
Liquid feed valve；By filter device be internally provided with multiple filter structures can make filter device to the filter effect of irrigation water more
It is good, to ensure that the normal sprinkling irrigation of irrigation rig.
Further, first filter structure includes the first filtrate housing, the outer diameter of first filtrate housing
Setting is matched with the internal diameter of filtering body；The both ends of first filtrate housing along water (flow) direction be respectively arranged with water inlet and
Water outlet；The first filtering screen, the second filtering screen and third are disposed with along water (flow) direction in first filtrate housing
Filtering screen, first filtering screen, the second filtering screen and third filtering screen are in that the cylindrical shape of sealed bottom is set respectively
It sets, the first filtering screen cladding is provided with the second filtering screen, and the second filtering screen cladding is provided with third filtering
Mesh enclosure；The third filtering screen covering is provided with the first filtrate housing water outlet, enters from the first filtrate housing water inlet
Irrigation water sequentially passes through the water outlet after the first filtering screen, the second filtering screen and third filtering screen from the first filter structure
It goes out；Mesh on first filtering screen is greater than the mesh of the second filtering screen, and the mesh of second filtering screen is big
In the mesh of third filtering screen；By being provided with multiple filtration mesh enclosure in the first filter structure, step by step by filtering screen
Prefiltration is carried out to irrigation water, can sufficiently filter out the larger fixed impurity in irrigation water.
Further, its axial direction is provided with taper card slot inside the filtering body, the taper card slot
One end close to lid is larger, and the other end is smaller；The shape setting in a circular table shape of second filter structure, and the second filtering
The shape of structure matches setting with taper card slot, and second filter structure is pressed on taper card slot by the first filter structure
It is interior；Setting facilitates effective fixation to the first filter structure and the second filter structure in this way.
Further, second filter structure includes the second filtrate housing, logical inside second filtrate housing
Cross partition be separated to form filled cavity and recoil chamber, the filled cavity and recoil chamber in the second filtrate housing along water (flow) direction successively
Alternate setting；The filled cavity inner space is greater than recoil chamber inner space；Graininess mistake has been filled in the filled cavity
Screening matter；The bottom of the recoil chamber is provided with fluid hole, and the connection filtering body bottom external world is provided on the fluid hole
Outlet tube is provided with switch valve on the outlet tube；By the way that filled cavity and recoil chamber are alternated setting, ensure in this way
When clearing up the solid impurity in filled cavity, the impurity in filled cavity can be sprung back over recoil it is intracavitary, passing through recoil
Chamber is discharged outside filter device, is convenient for clearing up away the impurity in filled cavity in this way.
Further, liquid-passing hole is provided on the partition, the liquid-passing hole on the adjacent partition is staggered；It is described
Liquid-passing hole is along the tapered setting of water (flow) direction on partition, and the water inlet end diameter of liquid-passing hole is greater than the diameter of its water outlet；This
The liquid-passing hole of sample setting can play crown_interception to solid impurity, can be avoided solid impurity in irrigation water from liquid-passing hole
It inside enters next intracavitary.
Further, the filled cavity successively includes that the first filled cavity, the second filled cavity, third are filled out along water (flow) direction
Chamber and the 4th filled cavity are filled, the particulate filter substance includes active carbon and molecular sieve, and the first filled cavity and third are filled
It is intracavitary to be filled with active charcoal, molecular sieve has been filled in second filled cavity and the 4th filled cavity；Described first fills out
Fill chamber, the active carbon particle diameter in third filled cavity is gradually reduced, the sieve particle in the second filled cavity, the 4th filled cavity
Diameter is gradually reduced, and passes through the gap retention blocking impurities in water between molecular sieve and active carbon particle, in this way setting pair in this way
The filter effect of irrigation water is more preferable, while being also convenient for the cleaning to impurity.
Further, pressure pipeline is additionally provided in the filtering body, the pressure pipeline includes intake antrum, larynx
Pipe and water chamber, the end face of the intake antrum are bolted on the end wall that taper card slot is arranged in, and intake antrum cladding is set
It is equipped with the water outlet of the second filter structure；The end face of the water chamber is fixed at the inside water outlet side wall of filtering body
On, and water chamber cladding is provided with the water outlet of filtering body；Enhance the hydraulic pressure of back-flushing by pressure pipeline, and then more advantageous
The impurity on filter material is recoiled away in punching press water.
It further, from top to bottom successively include admission chamber and elastic cavity, the elastic cavity in the irrigation cavity
Diameter be greater than admission chamber diameter；It is separated to form between the admission chamber and elastic cavity by flexible block；The flexible gear
The upper-end part of driving of block is arranged in admission chamber, and the outer diameter at the upper end position matches sealed set with the internal diameter of admission chamber；Institute
It states flexible sprue lower end to be arranged in elastic cavity, and its bottom flexibly supports the bottom of setting elastic cavity by spring structure
Portion；Several strips are arranged on the side wall of the admission chamber upper end goes out liquid groove, and the length of the liquid groove out is along the block that stretches
Telescopic direction setting, the side wall of the flexible sprue block out liquid groove setting；It is conveyed by irrigation pipe into admission chamber
Irrigation water, flexible sprue compress spring structure under hydraulic pressure and move down, and liquid groove is gradually increased with admission chamber connectivity part out；If
Go out liquid groove described in dry and the liquid feeding end setting that jet pipe is irrigated in connection is corresponded by fluid-through tube, passes through hydraulic pressure and compress flexible sprue
The connection size of liquid groove and admission chamber is adjusted out, to control each fountain height for irrigating jet pipe, saving is played and irrigates
The purpose of water.
Further, the spring structure packet expansion has the first spring and second spring for being vertically arranged in elastic cavity, institute
State the outside that the first spring is arranged in second spring；The length of first spring is greater than the length of second spring, and the first bullet
The bottom of elastic cavity, top is arranged in the bottom end that the coefficient of elasticity of spring is less than the first spring described in the coefficient of elasticity of second spring
The bottom of flexible block is set；The bottom end of the second spring is arranged in elastic cavity bottom, and top is vacantly arranged.
It further, further include having stifled column, the lower end of the stifled column is held position and is arranged in irrigation rig bottom outer end,
The stifled column cylinder and irrigation cavity bottom are connected through a screw thread setting, and the upper end of stifled column passes through and irrigates cavity bottom and be arranged
It is irrigating in cavity；The upper end of the stifled column passes through flexible block and the underface of water inlet at the top of admission chamber is arranged in, described
The upper end block part outer diameter of stifled column matches setting with the aperture of admission chamber water inlet；Column is blocked up by screw thread rotation, is blocked up on column
End block part rising blocks up into admission chamber water inlet, and then can control each irrigation rig whether irrigation be discharged, so as to
It is enough that irrigation is oriented to agriculture agent, save irrigation water.
The utility model has the advantages that a kind of agricultural water-saving irrigation system of the invention is led to by being provided with filter device and irrigation rig
It crosses filter device and processing is filtered to the irrigation water flowed into inside irrigation rig, so as to avoid the impurity blocking in irrigation water
Irrigation rig；Back flush line is provided on filter device simultaneously for carrying out recoil cleaning to the impurity in filter device, is protected
The filter effect of filter device is hindered；Several outside diverging sprinkler irrigation jet pipes are set on irrigation rig simultaneously, so that from
The irrigation water that irrigation rig sprays more disperses, to save irrigation water.
Detailed description of the invention
Attached drawing 1 is the Integral connection structure schematic diagram of filter device of the present invention and irrigation rig；
Attached drawing 2 is the overall structure diagram of filter device of the present invention；
Attached drawing 3 is the schematic diagram of the section structure of filter device of the present invention；
Attached drawing 4 is the first filter structure schematic diagram of internal structure of the invention；
Attached drawing 5 is the schematic diagram of the section structure of the second filter structure of the invention；
Attached drawing 6 is the schematic diagram of the section structure in the second filter structure filled cavity of the invention；
Attached drawing 7 is the structural schematic diagram of pressure pipeline of the present invention；
Attached drawing 8 is the partial enlargement structural representation of attached drawing 1 of the present invention；
Attached drawing 9 is the structural schematic diagram of irrigation rig of the present invention；
Attached drawing 10 is irrigation rig internal cross section structural schematic diagram of the present invention；
Attached drawing 11 is that the stifled column of irrigation rig of the present invention blocks up the structural schematic diagram into admission chamber.
Specific embodiment
The present invention will be further explained with reference to the accompanying drawing.
A kind of agricultural water-saving irrigation system as described in attached drawing 1~11: including filter device 4 and irrigation rig 3, described
The cylindrical setting of filter device 4 is respectively arranged with filtered water inlet pipe 12 and filtering water outlet on the both ends of the filter device 4
Pipe 13, water main 10 are connected to setting with filtered water inlet pipe 12, the first liquid feed valve 101 are provided on the water main 10；The master
Back flush line 5 is provided on water pipe 10, one end of the back flush line 5 is connected to setting, the other end and filtering with water main 10
The filtering outlet pipe 13 of device 4 is connected to setting；It is respectively set on the water inlet end position of the back flush line and its water outlet position
There are the second liquid feed valve 51 and third liquid feed valve 52, recoil removal of impurities is carried out to filter device 4 by the water body in back flush line 5；Institute
It states and is provided with booster pump 6 at the top of filter device 4, the boost port of the booster pump 6 is connected in back flush line 5, passes through booster pump 6
Speed the water velocity in back flush line 5.Back flush line 5 conveys irrigation water and recoils to filter device 4, makes to be fastened on
Solid impurity inside filter device 4 washes from filter device 4 by irrigation water, does not have to thus often disassemble filter device 4
Impurity is cleared up, improves filter device 4 to the filter effect of irrigation water, while also having ensured entire irrigation system to crops
Irrigation efficiency.
It is provided with and communicated on the filtering outlet pipe 13 of the filter device 4 and several irrigation pipe 21, the filling is arranged in parallel
It irrigates and is respectively arranged with the 5th liquid feed valve 22 at the water entering section of water pipe 21；The lower section of the irrigation pipe 21 has uniformly been placed equidistant with filling
Device 3 is irrigate, the irrigation rig 3 includes that setting is bolted in irrigation cavity 31 and sealing cover 33, the sealing cover 33
At the top of the upper end for irrigating cavity 31；The irrigation water inlet pipe 30 through 33 both ends of the surface of sealing cover is provided on the sealing cover 33,
One end connection for irrigating water inlet pipe 30 is arranged on irrigation pipe 21, and the other end passes through the setting of sealing cover 33 and irrigating chamber
In body 31；The appearance wall for irrigating cavity 31, which is recessed inwardly, is provided with annular groove 310, along perpendicular in the annular groove 310
The upward circumference of histogram is provided with several irrigation jet pipes 32；It is arranged in annular groove 310 so that irrigating jet pipe 32, plays protection
Irrigate the effect of jet pipe 32.Described irrigate on the surface far from irrigation cavity 31 on jet pipe 32 is provided with several fluid holes 321, if
The fluid hole 321 is done to be uniformly arranged along the vertical direction；Inside the bottom water inlet end for irrigating jet pipe 32 and irrigation cavity 31
Connection setting, by irrigation pipe 30 enter irrigate cavity 31 inside irrigation water from irrigation jet pipe 32 on fluid hole 321 to
Outer diverging sprays.Multiple irrigation jet pipes 32 are provided on irrigation rig 3, so that the irrigation sprayed from each irrigation jet pipe 32
Water is more tiny, so that more dispersed by the irrigation water at 3 spray of irrigation rig, it is higher to the irrigation efficiency of crops.
The filter device 4 includes filtering body 41 and lid 42, and the lid 42, which is bolted, to be arranged in mistake
Filter the open end of ontology 41；The first filter structure 43 and the second mistake are disposed with along water (flow) direction in the filtering body 41
Filter structure 44, the liquid feeding end of the second filter structure of outlet end face 44 of first filter structure 43；Irrigation water passes sequentially through
To entering in filtering outlet pipe 13 after the filtering and impurity removing of first filter structure 43 and the second filter structure 44, the filtering is discharged
The 4th liquid feed valve 131 is provided on pipe 13.Being internally provided with multiple filter structures in filter device 4 can make filter device 4 right
The filter effect of irrigation water is more preferable, to ensure that the normal sprinkling irrigation of irrigation rig 4 will not block.
First filter structure 43 includes the first filtrate housing 431, the outer diameter and mistake of first filtrate housing 431
The internal diameter of filter ontology 41 matches setting；The both ends of first filtrate housing 431 are respectively arranged with water inlet along water (flow) direction
And water outlet；The first filtering screen 432, the second filter screen are disposed with along water (flow) direction in first filtrate housing 431
Cover 433 and third filtering screen 434, first filtering screen 432, the second filtering screen 433 and third filtering screen 434 divide
Not Cheng sealed bottom cylindric setting, the cladding of the first filtering screen 432 is provided with the second filtering screen 433, described the
Two filtering screens 433 cladding is provided with third filtering screen 434；The covering of third filtering screen 434 is provided with the first filtering
431 water outlet of shell, the irrigation water entered from 431 water inlet of the first filtrate housing sequentially pass through the first filtering screen 432, second
It goes out after filtering screen 433 and third filtering screen 434 from the water outlet of the first filter structure 43；First filtering screen
Mesh on 432 is greater than the mesh of the second filtering screen 433, and the mesh of second filtering screen 433 is greater than third filter screen
The mesh of cover 434；By being provided with multiple filtration mesh enclosure in the first filter structure 43, by filtering screen step by step to irrigation water
Prefiltration is carried out, the larger fixed impurity in irrigation water can be sufficiently filtered out.
Its axial direction is provided with taper card slot 46, the close lid of the taper card slot 46 inside the filtering body 41
One end of body 41 is larger, and the other end is smaller；The shape setting in a circular table shape of second filter structure 44, and the second filtering knot
The shape of structure 44 matches setting with taper card slot 46, and second filter structure 44 is pressed on cone by the first filter structure 43
In shape card slot 46, in this way convenient for the fixation and replacement to the second filter structure 44.
Second filter structure 44 includes the second filtrate housing 441, inside second filtrate housing 441 by every
Plate 442 is separated to form filled cavity 443 and recoil chamber 444, and the filled cavity 443 is with recoil chamber 442 in the second filtrate housing 441
Along water (flow) direction successively alternate setting；443 inner space of filled cavity is greater than recoil 444 inner space of chamber；The filled cavity
Particulate filter substance has been filled in 443；The bottom of the recoil chamber 444 is provided with fluid hole 4440, the fluid hole
It is provided with the outlet tube 445 in connection 41 bottom of the filtering body external world on 4440, is provided with switch valve on the outlet tube 445
4450；It is arranged in this way through back flush line 5 into the back-flushing in the second filter structure 44 to consolidating in filled cavity 443
Determine impurity carry out recoil cleaning when, the impurity of recoil can be entered with back-flushing recoil chamber 444 in, and by recoil 444 bottom of chamber
The outlet tube 445 in portion flows out filter device 4, is arranged by the interval of filled cavity 443 and recoil chamber 444, successively to each filling
Fixation impurity in chamber 443 recoils, so that impurity recoils, and cleaning effect is more preferable, and solid impurity of being more convenient for excludes in time
Filter device 4.
Liquid-passing hole 4421 is provided on the partition 442, the liquid-passing hole 4421 on the adjacent partition 442 is staggered；
The liquid-passing hole 4421 is along the tapered setting of water (flow) direction on partition 442, and the water inlet end diameter of liquid-passing hole 4421 is greater than it
The diameter of water outlet；Out-of-date in irrigation advance in this way, the large-sized solid impurity card in irrigation water can be set logical liquid by liquid-passing hole 4421
On hole 4421, the effect of filtering has been further functioned as.
The filled cavity 443 successively includes that the first filled cavity 4431, the second filled cavity 4432, third are filled out along water (flow) direction
Chamber 4433 and the 4th filled cavity 4434 are filled, the particulate filter substance includes active carbon 445 and molecular sieve 446, and first fills out
It fills in chamber 4431 and third filled cavity 4433 and is filled with active charcoal 445, second filled cavity 4432 and the 4th filled cavity
Molecular sieve 446 has been filled in 4434；Utilize the bacterium that can be purified in irrigation water of active carbon 445 and molecular sieve 446, mistake
Filter the impurity in irrigation water；Active carbon 445 and being arranged alternately for molecular sieve 446 are more preferable to the filter effect of irrigation water simultaneously.Institute
State the first filled cavity 4431,445 particle diameter of active carbon in third filled cavity 4433 is gradually reduced, the second filled cavity 4432,
446 particle diameter of molecular sieve in 4th filled cavity 4434 is gradually reduced, and blocks trap water by particle and intergranular gap
In solid impurity come so that the solid impurity in irrigation water is filtered out, avoid fixed impurity to the stifled of irrigation rig 4
Plug；Setting is gradually reduced along water (flow) direction particle diameter, and such particle becomes smaller with intergranular gap, to block solid impurity
Diameter from large to small, and then the solid impurity in irrigation water is filtered out step by step, so that mistake of the filter device to irrigation water
It is more preferable to filter effect.
Pressure pipeline 45 is additionally provided in the filtering body 41, the pressure pipeline 45 includes intake antrum 451, trunnion
452 and water chamber 453, the end face of the intake antrum 451 be bolted on the end wall that taper card slot 46 is set, and intake
Chamber 451 coats the water outlet for being provided with the second filter structure 44；The end face of the water chamber 443 is fixed at filtering body 41
Inside water outlet side wall on, and water chamber 443 coats and is provided with the water outlet of filtering body 41；In this way such that regardless of be irrigate
Water or back-flushing can all generate an instantaneous impact at pressure pipeline 41, to be more advantageous to irrigation water outflow filtering dress
It sets in 4 or back-flushing the second filter structure 44 of inflow.
It from top to bottom successively include admission chamber 311 and elastic cavity 312, the elastic cavity 312 in the irrigation cavity 31
Diameter be greater than admission chamber 311 diameter；Shape is separated by flexible block 313 between the admission chamber 311 and elastic cavity 312
At；The upper-end part of driving of the flexible block 313 is arranged in admission chamber 311, and the outer diameter at the upper end position and admission chamber 311
Internal diameter matches sealed set；313 lower end of flexible sprue is arranged in elastic cavity 312, and its bottom passes through spring
The bottom of structural elasticity support setting elastic cavity 312；The spring structure packet expansion has the first spring for being vertically arranged in elastic cavity
3121 and second spring 3122, the second spring 3122 outside of first spring 3121 is set；First spring 3121
Length be greater than second spring 3122 length, and the coefficient of elasticity of the first spring 3121 be less than second spring 3122 elasticity system
The bottom of elastic cavity 312 is arranged in the bottom end of number first spring 3121, and the bottom of flexible block 313 is arranged in top；
The bottom end of the second spring 3122 is arranged in 312 bottom of elastic cavity, and top is vacantly arranged, in this way when flexible sprue 313 exists
The effect of hydraulic pressure moves down the first spring 3121 of compression, and stretch sprue 313 after compressing the first 3121 certain distance of spring
Bottom is contacted with the top of second spring 3122, thus needs bigger hydraulic pressure that flexible sprue 313 can be made to continue downwards
It is mobile.Several strips are arranged on the 311 upper end side wall of admission chamber goes out liquid groove 3141, the length of the liquid groove 3141 out
The telescopic direction spent along flexible block 313 is arranged, and the side wall of the flexible sprue 313 blocks out the setting of liquid groove 3141；Pass through
Irrigation pipe 30 conveys irrigation water into admission chamber 311, and flexible sprue 313 compresses spring structure under hydraulic pressure and moves down, out
Liquid groove 3141 is gradually increased with 311 connectivity part of admission chamber；Several liquid grooves 3141 out are corresponded by fluid-through tube 314
The liquid feeding end setting of jet pipe 32 is irrigated in connection；Made in this way by the hydraulic pressure in admission chamber 311 with the elastic pressure in elastic cavity 312
Must the stretch top of sprue 313 moves up and down in admission chamber 311, to control the sprinkling situation for irrigating jet pipe 32: i.e. when into
When hydraulic pressure in sap cavity 311 is greater than spring force, flexible sprue 313 is moved down, and flexible 313 top sidewall of sprue blocks out liquid
3141 position of groove reduces, and liquid groove 3141 and the connection water inlet of admission chamber 311 are bigger out, enters irrigate jet pipe 32 in this way
Duty is more, and the irrigation water for irrigating the ejection of jet pipe 32 is more, and ejection irrigation water speed is fast, and spray area is big；When in admission chamber 311
Hydraulic pressure when being less than spring force, flexible sprue 313 moves up, and flexible 313 side wall of sprue blocks out 3141 position of liquid groove
Increasing, liquid groove 3141 and the connection water inlet of admission chamber 311 become smaller out, and the duty for entering irrigation jet pipe 32 in this way is few,
It is few to irrigate the irrigation water that jet pipe 32 sprays, ejection irrigation water speed is slow, and spray area is small.
It further include having stifled column 34, the lower end of the stifled column 34 is held position 342 and is arranged in 3 bottom outer end of irrigation rig, institute
It states stifled 34 cylinder of column and irrigates 31 bottom of cavity and be connected through a screw thread setting, and the upper end of stifled column 34 passes through and irrigates 31 bottom of cavity
And be arranged and irrigating in cavity 31, in this way when rotating stifled column 34, under the action of screw thread setting, the top of stifled column 34 can filled
It irrigates and is moved up and down in device 3；The upper end of the stifled column 34 passes through flexible block 313 and is arranged in 311 top water inlet of admission chamber
Underface, sealed set between the stifled column 34 and flexible block 313, the irrigation water in admission chamber 311 will not be from along stifled column
It is flowed under 34 in elastic cavity 312.The aperture phase of 342 outer diameter of upper end block part and 311 water inlet of admission chamber of the stifled column 34
It is equipped with；Column 34 is blocked up by screw thread rotation, stifled 34 upper end block part 342 of column rising is blocked up into 311 water inlet of admission chamber, in this way
Irrigation water in irrigation pipe 30 cannot be flowed into intake antrum 311, so that this irrigation rig 3 cannot spray outward
Irrigation water.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of agricultural water-saving irrigation system, it is characterised in that: include filter device (4) and irrigation rig (3), the filtering
Device (4) cylindrical setting is respectively arranged with filtered water inlet pipe (12) and is filtered out on the both ends of the filter device (4)
Water pipe (13), water main (10) are connected to setting with filtered water inlet pipe (12), are provided with the first liquid feed valve on the water main (10)
(101)；It is provided with and communicated with back flush line (5) on the water main (10), one end and water main (10) of the back flush line (5)
Connection setting, the other end are connected to setting with the filtering outlet pipe (13) of filter device (4)；The water inlet of the back flush line (5)
It is respectively arranged with the second liquid feed valve (51) and third liquid feed valve (52) on end position and its water outlet position, passes through back flush line
(5) water body in carries out recoil removal of impurities to filter device (4)；It is provided with booster pump (6) at the top of the filter device (4), it is described
The boost port connection of booster pump (6) increases the water velocity in back flush line (5) by booster pump (6) in back flush line (5)
Fastly；
Be provided with and communicated on the filtering outlet pipe (13) of the filter device (4) it is several be arranged in parallel irrigation pipe (21), it is described
The 5th liquid feed valve (22) is respectively arranged at the water entering section of irrigation pipe (21)；The lower section of the irrigation pipe (21) is uniformly equidistant
It is provided with irrigation rig (3), the irrigation rig (3) includes to irrigate cavity (31) and sealing cover (33), the sealing cover
(33) setting is bolted at the top of the upper end for irrigating cavity (31)；It is provided on the sealing cover (33) through sealing cover
(33) the irrigation water inlet pipe (30) of both ends of the surface, one end connection for irrigating water inlet pipe (30) are arranged on irrigation pipe (21),
Its other end passes through sealing cover (33) and is arranged in irrigation cavity (31)；The appearance wall for irrigating cavity (31), which is recessed inwardly, to be set
It is equipped with annular groove (310), upper circumference is provided with several irrigation jet pipes (32) along the vertical direction in the annular groove (310)；
Described irrigate on the surface far from irrigation cavity (31) on jet pipe (32) is provided with several fluid holes (321), several liquid out
Hole (321) is uniformly arranged along the vertical direction；It is connected to inside the bottom water inlet end for irrigating jet pipe (32) and irrigation cavity (31)
Setting is entered by irrigation pipe (30) and irrigates cavity (31) internal irrigation water from the fluid hole irrigated on jet pipe (32)
(321) diverging sprays outward.
2. a kind of agricultural water-saving irrigation system according to claim 1, it is characterised in that: the filter device (4) includes
There are filtering body (41) and lid (42), the lid (42) is bolted setting in the open end of filtering body (41)
Portion；It is disposed with the first filter structure (43) and the second filter structure (44) along water (flow) direction in the filtering body (41),
The liquid feeding end of the second filter structure of outlet end face (44) of first filter structure (43)；Irrigation water passes sequentially through the first mistake
To entering in filtering outlet pipe (13) after the filtering and impurity removing of filter structure (43) and the second filter structure (44), the filtering is discharged
The 4th liquid feed valve (131) is provided on pipe (13).
3. a kind of agricultural water-saving irrigation system according to claim 2, it is characterised in that: first filter structure (43)
It include the first filtrate housing (431), the outer diameter of first filtrate housing (431) is matched with the internal diameter of filtering body (41)
Setting；The both ends of first filtrate housing (431) are respectively arranged with inlet and outlet along water (flow) direction；First mistake
The first filtering screen (432), the second filtering screen (433) and third mistake are disposed with along water (flow) direction in filter housing body (431)
Screen cover (434), first filtering screen (432), the second filtering screen (433) and third filtering screen (434) are in respectively
The cylindric setting of sealed bottom, the first filtering screen (432) cladding are provided with the second filtering screen (433), and described the
Two filtering screens (433) cladding is provided with third filtering screen (434)；The third filtering screen (434) covering is provided with the
One filtrate housing (431) water outlet, the irrigation water entered from the first filtrate housing (431) water inlet sequentially pass through the first filter screen
It goes out after cover (432), the second filtering screen (433) and third filtering screen (434) from the water outlet of the first filter structure (43)；
Mesh on first filtering screen (432) is greater than the mesh of the second filtering screen (433), second filtering screen
(433) mesh is greater than the mesh of third filtering screen (434).
4. a kind of agricultural water-saving irrigation system according to claim 2, it is characterised in that: the filtering body (41) is internal
It is provided with taper card slot (46) along its axial direction, one end of the close lid (41) of the taper card slot (46) is larger, another
One end is smaller；The shape setting in a circular table shape of second filter structure (44), and the shape and cone of the second filter structure (44)
Shape card slot (46) matches setting, and second filter structure (44) is pressed on taper card slot by the first filter structure (43)
(46) in.
5. a kind of agricultural water-saving irrigation system according to claim 4, it is characterised in that: second filter structure (44)
Include the second filtrate housing (441), is separated to form filled cavity by partition (442) inside second filtrate housing (441)
(443) and recoil chamber (444), the filled cavity (443) and recoil chamber (442) are interior along water flow side in the second filtrate housing (441)
To successively alternate setting；Filled cavity (443) inner space is greater than recoil chamber (444) inner space；The filled cavity (443)
Inside it has been filled with particulate filter substance；The bottom of recoil chamber (444) is provided with fluid hole (4440), the fluid hole
(4440) it is provided with the outlet tube (445) in connection filtering body (41) bottom external world on, is provided with out on the outlet tube (445)
It closes valve (4450)；
It is provided with liquid-passing hole (4421) on the partition (442), the liquid-passing hole (4421) on the adjacent partition (442) is staggeredly set
It sets；The liquid-passing hole (4421) is along the tapered setting of water (flow) direction on partition (442), and the water inlet end of liquid-passing hole (4421) is straight
Diameter is greater than the diameter of its water outlet.
6. a kind of agricultural water-saving irrigation system according to claim 5, it is characterised in that: the filled cavity (443) is along water
Stream direction successively includes the first filled cavity (4431), the second filled cavity (4432), third filled cavity (4433) and the 4th filling
Chamber (4434), the particulate filter substance include active carbon (445) and molecular sieve (446), the first filled cavity (4431) and
It is filled with active charcoal (445) in third filled cavity (4433), second filled cavity (4432) and the 4th filled cavity
(4434) molecular sieve (446) have been filled in；Active carbon in first filled cavity (4431), third filled cavity (4433)
(445) particle diameter is gradually reduced, and molecular sieve (446) particle in the second filled cavity (4432), the 4th filled cavity (4434) is straight
Diameter is gradually reduced.
7. a kind of agricultural water-saving irrigation system according to claim 2, it is characterised in that: in the filtering body (41) also
It being provided with pressure pipeline (45), the pressure pipeline (45) includes intake antrum (451), trunnion (452) and water chamber (453),
The end face of the intake antrum (451), which is bolted, to be arranged on the end wall of taper card slot (46), and intake antrum (451) coats
It is provided with the water outlet of the second filter structure (44)；The end face of the water chamber (443) is fixed at filtering body (41)
On the side wall of inside water outlet, and water chamber (443) cladding is provided with the water outlet of filtering body (41).
8. a kind of agricultural water-saving irrigation system according to claim 1, it is characterised in that: in the irrigation cavity (31) from
Top to bottm successively includes admission chamber (311) and elastic cavity (313), and the diameter of the elastic cavity (313) is greater than admission chamber (311)
Diameter；It is separated to form between the admission chamber (311) and elastic cavity (313) by flexible block (313)；The flexible block
(313) upper-end part of driving setting is in admission chamber (311), and the outer diameter at the upper end position and the internal diameter of admission chamber (311) match
Close sealed set；Flexible sprue (313) the lower end setting is in elastic cavity (312), and its bottom passes through spring structure
The bottom of resilient support setting elastic cavity (312)；The liquid out that several strips are arranged on the side wall of admission chamber (311) upper end is recessed
Slot (3141), telescopic direction setting of the length of liquid groove (3141) out along flexible block (313), the flexible sprue
(313) side wall blocks out liquid groove (3141) setting；Irrigation water is conveyed into admission chamber (311) by irrigation pipe (30),
Flexible sprue (313) are compressed spring structure under hydraulic pressure and are moved down, out liquid groove (3141) and admission chamber (311) connectivity part by
It is cumulative big；Several described liquid groove (3141) out correspond the liquid feeding end that jet pipe (32) are irrigated in connection by fluid-through tube (314)
Setting.
9. a kind of agricultural water-saving irrigation system according to claim 8, it is characterised in that: the spring structure packet expansion has perpendicular
The first spring (3121) and second spring (3122) of elastic cavity are directly set, and the second spring (3122) is arranged in the first bullet
The outside of spring (3121)；The length of first spring (3121) is greater than the length of second spring (3122), and the first spring
(3121) bottom end that coefficient of elasticity is less than the first spring (3121) described in the coefficient of elasticity of second spring (3122) is arranged in bullet
Property chamber (312) bottom, bottom of the top setting in flexible block (313)；The bottom end of the second spring (3122) is arranged
In elastic cavity (312) bottom, top is vacantly arranged.
10. a kind of agricultural water-saving irrigation system according to claim 8, it is characterised in that: further include having stifled column (34), institute
Position (342) setting is held in irrigation rig (3) bottom outer end, stifled column (34) cylinder and irrigation in the lower end for stating stifled column (34)
Cavity (31) bottom is connected through a screw thread setting, and the upper end of stifled column (34) passes through to irrigate cavity (31) bottom and be arranged and irrigate
In cavity (31)；The upper end of the stifled column (34) passes through flexible block (313) and the water inlet at the top of admission chamber (311) is arranged
Underface, upper end block part (342) outer diameter of the stifled column (34) is matched with the aperture of admission chamber (311) water inlet to be set
It sets；Column (34) are blocked up by screw thread rotation, stifled column (34) upper end block part (342) rising is blocked up into admission chamber (311) water inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910524022.0A CN110122275A (en) | 2019-06-18 | 2019-06-18 | A kind of agricultural water-saving irrigation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910524022.0A CN110122275A (en) | 2019-06-18 | 2019-06-18 | A kind of agricultural water-saving irrigation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110122275A true CN110122275A (en) | 2019-08-16 |
Family
ID=67577712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910524022.0A Withdrawn CN110122275A (en) | 2019-06-18 | 2019-06-18 | A kind of agricultural water-saving irrigation system |
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| Country | Link |
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| CN (1) | CN110122275A (en) |
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| CN111264346A (en) * | 2020-03-06 | 2020-06-12 | 胡伟峰 | Drip irrigation formula water-saving irrigation device system |
| CN113207629A (en) * | 2021-05-19 | 2021-08-06 | 杨世伟 | Agricultural irrigation water saving system |
| CN114830994A (en) * | 2021-11-25 | 2022-08-02 | 中国农业科学院郑州果树研究所 | Water-saving drip irrigation equipment for watermelon cultivation |
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| CN114830994B (en) * | 2021-11-25 | 2024-04-05 | 中国农业科学院郑州果树研究所 | Water-saving drip irrigation equipment for watermelon cultivation |
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Application publication date: 20190816 |