CN105325263B - A kind of micropore ceramics drip emitter of anti-clogging easy cleaning - Google Patents
A kind of micropore ceramics drip emitter of anti-clogging easy cleaning Download PDFInfo
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- CN105325263B CN105325263B CN201510706249.9A CN201510706249A CN105325263B CN 105325263 B CN105325263 B CN 105325263B CN 201510706249 A CN201510706249 A CN 201510706249A CN 105325263 B CN105325263 B CN 105325263B
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- Prior art keywords
- piece
- water
- pedestal
- douche
- micropore ceramics
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Classifications
-
- 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
-
- 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
- A01G25/026—Apparatus or processes for fitting the drippers to the hoses or the pipes
-
- 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
- A01G2025/006—Tubular drip irrigation dispensers mounted coaxially within water feeding tubes
Abstract
The invention discloses a kind of micropore ceramics drip emitter of anti-clogging easy cleaning, including pedestal, chamber shell is removably installed on pedestal, chamber shell is internally provided with cavity, and infiltration piece is equipped in cavity, and hole is distributed in the piece that seeps water；It is provided with to pass through with cavity on chamber shell and repeatedly kicks into water hole, the apopore being arranged with inlet opening coaxial inner conductor is provided on pedestal, flow flows out pedestal after the filtering for the piece that seeps water after entering cavity from inlet opening from apopore.When irrigation, after having with impurity presses irrigation water to enter cavity by water inlet, impurity is filtered the upper surface for the piece that seeps water in micropore ceramics, irrigation water is then slowly oozed out downwards by duct interconnected inside micropore ceramics infiltration piece, the finally outflow via the water outlet below douche uniformly, stable.The advantages that douche has energy-dissipating structure simple, and the douche uniformity is high, anti-clogging and easy cleaning, and the micropore ceramics infiltration piece inside douche can clean use repeatedly, significantly reduce the manufacturing cost of douche.
Description
Technical field
The invention belongs to dry land agriculture water-saving irrigation technique fields, are related to a kind of micropore ceramics trickle irrigation of anti-clogging easy cleaning
Douche, the Water-saving Irrigation for solving crop field and industrial crops.
Background technology
Water-saving irrigation is the main irrigation method that modern agriculture especially dry land agriculture uses, and slight irrigation is as a kind of advanced
Water-saving irrigation technique, it is widely used in the irrigation of drought-hit area crop.By rational system design and efficient field management,
Slight irrigation can be realized is timed suitable irrigation to crop root, effectively reduces the evaporation of ground moisture, irrigation water is greatly improved
Utilization ratio.Douche is the most key component of irrigation system, and the structure of douche, hydraulic performance and quality are straight
Connect the uniformity of irrigation water appilcation and reliability for influencing irrigation system.In recent years, fast development of the people in water-Saving Technology of Contemporary Agriculture
Middle discovery, trickle irrigation are irrigation techniques most water-saving in slight irrigation, and as the core component of drip irrigation system, douche (water dropper) has become
It is various countries to one of the emphasis of dropper technical research.
The douche type that various countries develop at present is various, and almost all is plastic material, can from hydraulics Energy Dissipation Modes
It is divided into：Shrink cellular type water dropper, long flow channel type water dropper, permeable hollow billet, vortex energy dissipation type water dropper and pressure compensating emitter etc..Each
In the douche design of state, the runner design inside douche is always the key of douche research and development.A kind of China's patent " screw thread
Labyrinth flow-path formula fountain root irrigation machine " (application number：20101015699.9) and " a kind of helical teeth labyrinth wide-passage type root fills
Hydrophone " (application number：201010208686.5) two kinds of advanced labyrinth flow-path formula douches, are disclosed, both douches are equal
For plastic material, generally it is made of inner core and housing two parts, by processing different types of labyrinth flow-path on inner core,
Allow flow that turbulent flow occurs in labyrinth flow-path come to there is pressure irrigation water to carry out energy dissipating.But the labyrinth flow inside both douches
Road structure is complex, and manufacture difficulty is higher, in injection molding, is influenced by factors such as raw material and Shooting Techniques, labyrinth flow
Road nearby easy tos produce cold shut and lacks the defect of material, seriously affects the precision of labyrinth flow-path；Douche inner core and it is sleeved on assembly outside
When the difference of assembly technology can also influence the overall precision of douche.The factor of these two aspects will certainly seriously affect douche
Uniformity of irrigation water appilcation.In addition, labyrinth flow-path formula douche is higher to the water quality requirement of irrigation water, the solid impurity in poor water quality
It easily deposits in the labyrinth flow-path of douche, douche is caused to block, and after douche blocking, can not clean, Zhi Nengbao
It is useless.
Invention content
For the above-mentioned prior art the problem of, the object of the present invention is to provide a kind of energy-dissipating structures simply, disappears
It can stablize, uniformity of irrigation water appilcation is high, anti-stifled ability is strong and the micropore ceramics drip emitter of easy cleaning.
A kind of micropore ceramics drip emitter of anti-clogging easy cleaning, including pedestal have been removably installed chamber on pedestal
Shell, chamber shell are internally provided with cavity, and infiltration piece is equipped in cavity, and hole is distributed in the piece that seeps water；Be provided on chamber shell with
Cavity, which passes through, repeatedly kicks into water hole, and the apopore being arranged with inlet opening coaxial inner conductor is provided on pedestal, and flow enters cavity from inlet opening
Afterwards pedestal is flowed out from apopore after the filtering for the piece that seeps water.
Further, the infiltration piece is micropore ceramics infiltration piece, and the porosity in the piece that seeps water is 40%~60%, hole
The average pore size of gap is 1~2 μm, and the bending strength for the piece that seeps water is 30~50MPa.
Further, the longitudinal cross-section of the chamber shell is in " recessed " shape, position edge of the chamber shell inside at the top of chamber shell
Close to the direction of water inlet axially bored line, symmetrical protrusion constitutes the limiting card for limiting infiltration piece position, the top of the infiltration piece
Positioned at the lower section of limiting card, thus intake antrum is formed between the top and inlet opening of infiltration piece.
Further, it is provided with the first sealing ring between the top and limiting card of the infiltration piece.
Further, described along the land for being circumferentially provided with outer diameter and being less than pedestal of pedestal at the top of the pedestal
Infiltration piece is located above land, and infiltration piece bottom collectively forms water chamber with the part in land.
Further, at the top of the land the second sealing ring is provided between infiltration piece.
Further, elastic pressure compensation gasket, pressure compensation pad are provided between the infiltration piece bottom and pedestal
Piece is infundibulate, and middle part is the through-hole of reducing, and the top of pressure compensation gasket is in valgoid, and the internal diameter of bottom gradually tends to one
It causes, the bottom of pressure compensation gasket is docked with apopore.
Further, it is provided with external screw thread on the outer wall of the land, internal thread is provided on the inner wall of chamber shell；Chamber
The internal diameter of shell is consistent with the outer diameter of land.
Further, it being provided with the first connecting pin at the top of the chamber shell, the bottom of pedestal is provided with second connection end,
The inlet opening is from the first connecting pin of axial penetration, and the apopore is from axial penetration second connection end, the first connecting pin
With connector is both provided on the outer wall of second connection end, the axial cross section of connector is trapezoidal.
The present invention has following technical characterstic compared with prior art：
1. a kind of micropore ceramics drip emitter of anti-clogging easy cleaning of the present invention is different from traditional labyrinth flow-path formula and fills
Hydrophone, operation principle are very simple：Irrigation water in hollow billet first enters douche upper cavity by water inlet, then via micro-
Interconnected duct is oozed out downwards inside the ceramics infiltration piece of hole, since the duct inside micropore ceramics infiltration piece is micron order,
Hole wall has prodigious frictional force and capillary force to flow, and flow velocity of the water in duct is very slow, to realize
The energy dissipating for pressing irrigation water, the water after piece energy dissipating of being seeped water by micropore ceramics collects in the cavity of base interior, finally via pedestal
The water outlet of lower section flows out.
2. compared with traditional labyrinth flow-path formula douche, which is utilized a large amount of inside micropore ceramics infiltration piece
Microchannel come to there is pressure irrigation water energy dissipating, can effectively avoid douche manufacture and assembling deviation to douche uniformity of irrigation water appilcation
Influence, significantly improve the uniformity of irrigation water appilcation of douche.The critical component of the douche is micropore ceramics infiltration piece, passes through change
Formula and preparation process, the porosity of piece that can seep water to micropore ceramics and aperture are adjusted.According to the hydraulic pressure in pipeline, selection
With the micropore ceramics of suitable porosity and thickness infiltration piece, the different water yield requirements of douche can be met；According to irrigation water
Water quality, select with different pore size micropore ceramics seep water piece, can by the contaminant filter in irrigation water micropore ceramics seep water
Outside piece, the anti-blocking of douche is improved.
3. the more prominent feature of the douche is easy to clean.When by filter micropore ceramics infiltration piece outside impurity
When accumulating a certain amount of, douche is subjected to upside-down mounting, inlet and outlet are exchanged at this time, then increase the hydraulic pressure in pipeline,
The impurity filtered can all be excluded by water outlet.In addition, saving at slack seasons, all douches are unscrewed and take out micropore pottery
Porcelain infiltration piece, is put into ultrasonic cleaner and cleans 1~2 minute, you can will enter tiny inside micropore ceramics infiltration piece
Grain object is all removed.The micropore ceramics cleaned infiltration piece is installed in douche, douche is still as new.
Description of the drawings
Fig. 1 is the overall structure longitudinal direction schematic cross-sectional view of the present invention；
Fig. 2 is wall body structure schematic diagram；
Fig. 3 (a) is the structural schematic diagram of micropore ceramics infiltration piece；
Fig. 3 (b) is micropore ceramics infiltration piece micro-structure diagram (1000 times of amplification)；
Fig. 4 is the structural schematic diagram of base part；
Fig. 5 is the structural schematic diagram of pressure compensation gasket；
Fig. 6 (a) is working state schematic representation of the douche when water quality is preferable；
Fig. 6 (b) is working state schematic representation of the douche when water quality is poor；
Fig. 6 (c) is schematic diagram when douche carries out upside-down mounting cleaning；
Fig. 7 (a) is the flow curve figure that douche persistently uses under pure water quality；
Fig. 7 (b) is flow changing curve figure when carrying out upside-down mounting cleaning after douche is completely plugged；
Figure label represents：1-the first connecting pin, 2-limiting cards, the 3-the first sealing ring, the 4-the second sealing ring, 5-
Apopore, 6-second connection ends, 7-sections, 8-pedestals, 9-land, 10-chamber shells, 11-inlet openings, 12-intake antrums,
13-infiltration pieces, 14-cavitys, 15-water chambers.
Specific implementation mode
In compliance with the above technical solution, as shown in Figures 1 to 7, a kind of micropore ceramics drip emitter of anti-clogging easy cleaning,
Including pedestal 8, chamber shell 10 is removably installed on pedestal 8, chamber shell 10 is internally provided with cavity 14, is equipped with and oozes in cavity 14
Water piece 13, seep water piece 13 in hole is distributed with；It is provided with to pass through with cavity 14 on chamber shell 10 and repeatedly kicks into water hole 11, be arranged on pedestal 8
By the mistake for the piece 13 that seeps water after thering is the apopore 5 being arranged with 11 coaxial inner conductor of inlet opening, flow to enter cavity 14 from inlet opening 11
After filter pedestal 8 is flowed out from apopore 5.
The basic structure of the present invention includes a pedestal 8 and a chamber shell 10, and the inside of lumen shell 10 is cavity 14, empty
Chamber 14 has multiple effects, is that the outflow of flow rises secondly being to provide the filter space of flow one is for installing infiltration piece 13
To slow releasing function.Infiltration piece 13 in this programme, using porous 13 structure of infiltration piece.It is erratically distributed inside infiltration piece 13
There are multiple holes, the presence of these holes that flow is allowed to pass through from infiltration piece 13, lower section penetrated into from the top of infiltration piece 13,
It plays a role in filtering to the impurity in flow.Since hole therein is more, and mixed and disorderly distribution, this irregular distribution side
Formula, extend flow flows through path, while carrying out more thorough, effective remove to impurity, impurity is also made to be not easy to block
Pore channel improves the practical practical value of douche.
The infiltration piece 13 used in the present embodiment for micropore ceramics seep water piece 13, a diameter of 30mm, the margin of tolerance be-
0.1~-0.2mm, micropore ceramics infiltration 13 surrounded surface of piece is smooth, to ensure douche micropore ceramics infiltration piece 13 at work
It can move freely, not blocked by pedestal 8.Micropore ceramics infiltration piece 13 is thin discs structure, can be by with the micro- of micron pore size
Hole Machining of Ceramics forms, and has the duct that largely interconnected micropore is formed in micropore ceramics infiltration piece 13, irrigates
Water can flow in these ducts.Due to the frictional force and capillary force in duct, flowing velocity of the irrigation water in duct is slow
It slowly, therefore can be to there is pressure irrigation water to carry out energy dissipating.
It being required according to the designed outlet water of douche, the porosity of micropore ceramics is 40~60% adjustable, in the present embodiment,
The porosity of micropore ceramics infiltration piece 13 is 53%.The structure of micropore ceramics is uniform, and without defect, average pore size is 1~2 micro-
Rice, can adequately filter the solid impurity in irrigation water, significantly improve the anti-blocking of douche.Micropore ceramics infiltration piece
There is in 13 between each hole extraordinary connectivity, provide sufficient penetrating passage.Pass through test, micropore ceramics infiltration piece 13
Bending strength be 30~50MPa, ensure that the use reliability of douche and longer service life.
The longitudinal cross-section of chamber shell 10 is in " recessed " shape, and position of 10 inside of chamber shell at the top of chamber shell 10 is along close to inlet opening
The symmetrical protrusion in the direction of 11 axis constitutes the limiting card 2 for limiting 13 position of infiltration piece, the top position of the infiltration piece 13
In the lower section of limiting card 2, intake antrum 12 is thus formed between the top and inlet opening 11 of infiltration piece 13.
Limiting card 2 is an endless loop being circumferentially positioned on 10 inner wall of chamber shell, and after limiting card 2 is arranged, infiltration piece 13 is just
The lower section of inlet opening 11 cannot be directly got lodged in, thus stays that there are one intake antrums 12 below inlet opening 11 always, intake antrum 12 can
With the flow being effectively dispersed into cavity 14, cushioning effect is played, ensures that infiltration piece 13 has larger starting infiltration area,
On the one hand flow can play effectively filtering work after entering in cavity 14 from different position on infiltration piece 13 by infiltration piece 13
With another aspect, which also keeps constant water yield, plays buffering facilitation.
The first sealing ring 3 is provided between the top and limiting card 2 of infiltration piece 13, the effect of the first sealing ring 3 is envelope
The edge of stifled infiltration piece 13, uses rubber material to be made, and has certain elasticity, and the piece 13 that allows to seep water is in a small range activity.
In addition, the first sealing ring 3 also functions to the effect of fixed infiltration piece 13.
8 top of pedestal is circumferentially provided with land 9 of the outer diameter less than pedestal 8 along pedestal 8, and the infiltration piece 13 is located at
9 top of land, infiltration 13 bottom of piece collectively forms water chamber 15 with the part in land 9.Pedestal 8 is polyethylene material, is used
Injection molding process is made.Land 9 on pedestal 8 has multiple effects, and first, land 9 is the structure being raised on pedestal, by
This land 9 defines a space in inside, and the space in the space and 13 lower section of infiltration piece collectively forms water chamber 15, for filtering
Cushioning effect is played in the outflow of flow afterwards；Secondly, it is provided with external screw thread on the outer wall of land 9, is arranged on the inner wall of chamber shell 10
There is internal thread；The internal diameter of chamber shell 10 is consistent with the outer diameter of land 9；The mode being connected through a screw thread can facilitate pedestal 8 and chamber shell 10
Between dismounting, convenient for the cleaning and replacement of internal infiltration piece 13；Third, the top of land 9 are used for installing fixed infiltration piece 13.
Due to the position of infiltration piece 13 need above it, lower section reserve certain space, infiltration piece 13 is preferably secured to cavity
Medium position in 14.The setting of land 9 solves the problems, such as this, and top is provided with the second sealing ring 4, and infiltration piece 13 is pressed from both sides
It holds and is fixed between the first sealing ring 3 and the second sealing ring 4.Two sealing rings play effective fixation to infiltration piece 13, together
When to seep water piece 13 edge carried out effective sealing.Second infiltration piece 13 can also be made of rubber material, and can be
It is slightly deformed under the pressure effect of the infiltration piece 13 of flow.
Other than the first sealing ring 3,4 this installation fixed form of the second sealing ring, another optional scheme is,
As shown in figure 5, being provided with elastic pressure between infiltration 13 bottom of piece and pedestal 8 compensates gasket, pressure compensation gasket is funnel
Shape, middle part are the through-hole of reducing, and the top of pressure compensation gasket is in valgoid, and the internal diameter of bottom gradually reaches unanimity, pressure
It is docked with apopore 5 bottom of compensation gasket.
In a kind of this scheme, the second infiltration piece 13 is substituted using pressure compensation gasket, i.e. pressure compensation gasket just props up
Support is on infiltration piece 13.13 elasticity of piece that seeps water is good, is made for example, by using silica gel material.Its top is eversion type structure, is being pressed
Under the action of power, the top of pressure compensation gasket can partly be attached at the bottom of infiltration piece 13, to reduce 13 bottom of infiltration piece
The infiltration area in portion, to control flow.Pressure compensation gasket is integrally similar to infundibulate, and the internal diameter of bottom is almost the same,
Flow after the piece 13 that seeps water, subsequently into in pressure compensation gasket, passes through, most from intake antrum 12 from its diameter bore
It is flowed out from apopore 5 eventually.
The effect of pressure compensation gasket is, 1. when the intake pressure of douche is smaller, although irrigation water is in micropore ceramics
Seep water piece 13 in flow velocity it is slower, but due to micropore ceramics infiltration 13 upper and lower pressure difference of piece it is smaller, pressure compensation gasket by
The pressure of micropore ceramics infiltration piece 13 is smaller, and deformation is smaller, 13 lower section of micropore ceramics infiltration piece and the contact of pressure compensation gasket
Area is smaller, and the infiltration area of irrigation water is larger；2. when the intake pressure of douche increases, irrigation water seeps water in micropore ceramics
Flow velocity in piece 13 becomes faster, but the 13 upper and lower pressure difference of piece of micropore ceramics infiltration simultaneously increases, and pressure compensation gasket is made pottery by micropore
The pressure of porcelain infiltration piece 13 becomes larger, and deformation increases, and 13 lower section of micropore ceramics infiltration piece and the contact area of elastomeric pad increase, and fill
The infiltration area for irrigating water reduces, and the water yield of douche is constant when to ensure that pressure increases；3. when the influent pressure of douche
When power reduces, above-mentioned all changes are reversed, and remain able to ensure that the water yield of douche is constant.It is mended as a result, by pressure
The effect for repaying gasket enables the water yield of the douche under different water pressures to be consistent substantially.
As shown in Figure 1, the top of chamber shell 10 is provided with the first connecting pin 1, the bottom of pedestal 8 is provided with second connection end 6,
The inlet opening 11 connects from the first connecting pin of axial penetration 1, the apopore 5 from axial penetration second connection end 6, first
It connects and is both provided with connector on the outer wall of end 1 and second connection end 6, the axial cross section of connector is trapezoidal.This fluking type
Structure, it is ensured that hollow billet is closely connect after being inserted into douche.The maximum outside diameter of first connecting pin 1 be 4mm, overall length 12mm,
The internal diameter of inlet opening 11 is 2mm, and this set makes douche, and water inlet is regions of turbulent flow at work, reduces impurity and enters filling
The probability of hydrophone improves the resistance against physical blocking ability of douche.
It is both provided with section 7 on the edge of pedestal 8 and chamber shell 10, i.e., smears the sharp keen edge of pedestal 8 and chamber shell 10
It goes, it is obtuse angle transition to make edge, is convenient for attended operation.
This programme when mounted, according to the signal of attached drawing 1, is first unscrewed pedestal 8 and chamber shell 10, and the first sealing ring 3 is put into,
Infiltration piece 13 and the second sealing ring 4 are placed into, then tightens pedestal 8 and chamber shell 10, dismounting is very convenient.Douche work
When making, there is pressure irrigation water first to be entered by the inlet opening 11 of douche in the intake antrum 12 on douche top in pipeline, then pass through
It is oozed out downwards by micropore ceramics infiltration piece 13, collects in the lower part water chamber 15 of douche, finally flowed out by apopore 5.
Referring to attached drawing 6, when the water quality of irrigation water is preferable, irrigation water intake antrum above full of micropore ceramics infiltration piece 13
While 12, can downwards it be oozed out along the interconnected duct in 13 inside of micropore ceramics infiltration piece, finally via below douche
Water outlet outflow, as shown in Fig. 6 (a).When the water quality of irrigation water is poor, due to the aperture inside micropore ceramics infiltration piece 13
Much smaller than the grain size of most impurity in irrigation water, therefore micropore ceramics infiltration piece 13 can be by most of impurity in irrigation water
Surface on it is filtered, then passing through the irrigation water of filter can downwards ooze along micropore ceramics infiltration piece 13, in irrigation water only very
A small amount of small particle impurity can enter inside micropore ceramics infiltration piece 13.With the increase of douche usage time, in irrigation water
Small particle impurity can slowly deposit micropore ceramics seep water 13 top intake antrum 12 of piece in, cause the water yield of douche gradual
It reduces, as shown in Fig. 6 (b).When douche blocks serious, when water yield cannot be satisfied irrigation and require, douche is removed into upside-down mounting
In being continuing on hollow billet, the upper and lower surface of the piece 13 of micropore ceramics infiltration at this time exchanges, 13 lower surface of micropore ceramics infiltration piece
Large granular impurity can be taken out of douche by flow, and by increasing the hydraulic pressure in pipeline, can be by siltation in micropore ceramics infiltration piece
Little particle impurity in 13 lower parts duct is gone out, and the flushing of douche is completed, as shown in Fig. 6 (c).Pass through setting for this structure
Meter, keeps douche internal washing very convenient, enhances the actual use value of douche.
It referring to attached drawing 7 (a), is tested with household tap water, the micropore ceramics drop of the anti-clogging easy cleaning of the present embodiment
Flow of the irrigation emitter under 3m and 5m heads is respectively 4.0L/h and 7.1L/h, douche running hours, stability of flow
After remain unchanged.
In order to verify anti-clogging easy cleaning of the present invention micropore ceramics drip emitter self-cleaning effect.Douche is adopted
With the silt water of high concentration it is completely plugged after, then upside-down mounting tests the water yield of douche on hollow billet under different hydraulic pressure
Variation.Referring to attached drawing 7 (b), the hydraulic pressure of 5m, the water yield of douche is first used slowly to increase as time increases, this explanation
The impurity for being previously blocked in 13 surface of micropore ceramics infiltration piece is slowly rinsed out.When the time reaching 9 minutes, douche goes out
Water has reached 6.6L/h, has substantially returned to its normal water yield.When hydraulic pressure being turned down to 3m again, the water outlet of douche
Amount is 3.8L/h, almost the same with the normal water yield of douche, and as time increases, the water yield of douche also exists
Continue to restore.
It is right to have given full play to micropore ceramics infiltration piece 13 for the micropore ceramics drip emitter of the anti-clogging easy cleaning of the present invention
There are the energy dissipating of pressure irrigation water and the filtration to impurity.The douche on the one hand can effectively reduce douche manufacture and
Influence of the assembling deviation to douche water yield, improves the uniformity of irrigation water appilcation of douche, on the other hand can will be in irrigation water
Impurity is effectively filtered, and the anti-blocking of douche is improved.It, only need to be by douche upside-down mounting even if douche is blocked
It is continuing with on hollow billet, has not only completed the self-cleaning of douche, but also do not influence the use of douche.In addition, saving at slack seasons
Micropore ceramics infiltration piece 13 in all douches is taken out, is put into ultrasonic cleaner and cleans 1~2 minute, you can will be micro-
Impurity in the ceramics infiltration piece 13 of hole is all removed, and is prepared for next time in busy farming season.
Claims (5)
1. a kind of micropore ceramics drip emitter of anti-clogging easy cleaning, including pedestal (8), which is characterized in that the pedestal
(8) chamber shell (10) has been removably installed on, chamber shell (10) is internally provided with cavity (14), and cavity is equipped with infiltration piece in (14)
(13), hole is distributed in infiltration piece (13)；It is provided with to pass through with cavity (14) on chamber shell (10) and repeatedly kicks into water hole (11), pedestal
(8) apopore (5) with the setting of inlet opening (11) coaxial inner conductor is provided on, after flow enters cavity (14) from inlet opening (11)
From apopore (5) outflow pedestal (8) after the filtering of infiltration piece (13)；
The infiltration piece (13) is micropore ceramics infiltration piece (13), and the porosity in infiltration piece (13) is 40%~60%, hole
The average pore size of gap is 1~2 μm, and the bending strength of infiltration piece (13) is 30~50MPa；
The longitudinal cross-section of the chamber shell (10) is leaned in " recessed " shape, the internal position edge at the top of chamber shell (10) of chamber shell (10)
The symmetrical protrusion in direction of nearly inlet opening (11) axis constitutes the limiting card (2) for limiting infiltration piece (13) position, and described oozes
The top of water piece (13) is located at the lower section of limiting card (2), is thus formed between the top and inlet opening (11) of infiltration piece (13)
Intake antrum (12)；
It is provided with the first sealing ring (3) between the top and limiting card (2) of the infiltration piece (13)；
Elastic pressure compensation gasket is provided between infiltration piece (13) bottom and pedestal (8), pressure compensation gasket is leakage
Bucket shape, middle part are the through-hole of reducing, and the top of pressure compensation gasket is in valgoid, and the internal diameter of bottom gradually reaches unanimity, and is pressed
It is docked with apopore (5) bottom of force compensating gasket.
2. the micropore ceramics drip emitter of anti-clogging easy cleaning as described in claim 1, which is characterized in that the pedestal
(8) top is circumferentially provided with land (9) of the outer diameter less than pedestal (8) along pedestal (8), and the infiltration piece (13) is located at ring
Above platform (9), infiltration piece (13) bottom collectively forms water chamber (15) with the part in land (9).
3. the micropore ceramics drip emitter of anti-clogging easy cleaning as claimed in claim 2, which is characterized in that the land
(9) it is provided with the second sealing ring (4) between top and infiltration piece (13).
4. the micropore ceramics drip emitter of anti-clogging easy cleaning as claimed in claim 2, which is characterized in that the land
(9) it is provided with external screw thread on outer wall, internal thread is provided on the inner wall of chamber shell (10)；The internal diameter and land of chamber shell (10)
(9) outer diameter is consistent.
5. the micropore ceramics drip emitter of anti-clogging easy cleaning as described in claim 1, which is characterized in that the chamber shell
(10) the first connecting pin (1) is provided at the top of, the bottom of pedestal (8) is provided with second connection end (6), the inlet opening
(11) from the first connecting pin of axial penetration (1), the apopore (5) is from axial penetration second connection end (6), the first connecting pin
(1) and on the outer wall of second connection end (6) it is both provided with connector, the axial cross section of connector is trapezoidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510706249.9A CN105325263B (en) | 2015-10-27 | 2015-10-27 | A kind of micropore ceramics drip emitter of anti-clogging easy cleaning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510706249.9A CN105325263B (en) | 2015-10-27 | 2015-10-27 | A kind of micropore ceramics drip emitter of anti-clogging easy cleaning |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105325263A CN105325263A (en) | 2016-02-17 |
| CN105325263B true CN105325263B (en) | 2018-07-24 |
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| CN201510706249.9A Expired - Fee Related CN105325263B (en) | 2015-10-27 | 2015-10-27 | A kind of micropore ceramics drip emitter of anti-clogging easy cleaning |
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| CN105918075A (en) * | 2016-04-21 | 2016-09-07 | 北京林业大学 | Degradable type anti-clogging in-soil limited drip irrigation device |
| CN107810840A (en) * | 2017-12-15 | 2018-03-20 | 柳州市鼎福通用机械厂 | A kind of anti-block dripping pipe |
| CN108271672A (en) * | 2018-01-31 | 2018-07-13 | 中国农业大学 | A method of avoid brackish water drip irrigation system douche from blocking |
| CN110089406A (en) * | 2019-04-09 | 2019-08-06 | 深圳市玖品空气净化科技有限公司 | A kind of portable type drip irrigation equipment with anti-blockage function |
| CN112283380A (en) * | 2020-11-18 | 2021-01-29 | 湖南元宏特种陶瓷有限公司 | Ceramic valve plate |
| CN113100033A (en) * | 2021-04-08 | 2021-07-13 | 吉林农业科技学院 | Dry direct seeding water seepage irrigation system for dry paddy field and modification method of water seepage irrigation system |
| CN114453882B (en) * | 2022-02-21 | 2023-05-16 | 西北农林科技大学 | Automatic production device of button type microporous ceramic douche |
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| CN1426273A (en) * | 2000-02-28 | 2003-06-25 | 伊曼纽尔·德米扎基斯 | Emitter with water inlet filter and method of assembly thereof |
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| GR20080100417A (en) * | 2008-06-24 | 2010-01-27 | Αριστειδης Εμμανουηλ Δερμιτζακης | Self-cleaned filter for liquids |
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| CN1426273A (en) * | 2000-02-28 | 2003-06-25 | 伊曼纽尔·德米扎基斯 | Emitter with water inlet filter and method of assembly thereof |
| CN101133712A (en) * | 2007-09-27 | 2008-03-05 | 中国农业科学院农田灌溉研究所 | Self-adaption drip irrigation watering device located in the soil |
| CN202014489U (en) * | 2011-04-21 | 2011-10-26 | 中国农业科学院农田灌溉研究所 | Ceramic filtering-core irrigator |
| CN102671782A (en) * | 2012-05-17 | 2012-09-19 | 上海茵能节能环保科技有限公司 | Embedded type reverse-filtering and anti-blocking irrigation emitter and trickle irrigation pipeline |
| CN204168842U (en) * | 2014-08-20 | 2015-02-25 | 西北农林科技大学 | A kind of pressure compensated drip irrigator |
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