CN205922296U - Interior empiecement formula pressure compensated dripper and drip irrigation zone - Google Patents

Interior empiecement formula pressure compensated dripper and drip irrigation zone Download PDF

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Publication number
CN205922296U
CN205922296U CN201620878370.XU CN201620878370U CN205922296U CN 205922296 U CN205922296 U CN 205922296U CN 201620878370 U CN201620878370 U CN 201620878370U CN 205922296 U CN205922296 U CN 205922296U
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CN
China
Prior art keywords
water
turbulent flow
chamber
runner
outside
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Active
Application number
CN201620878370.XU
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Chinese (zh)
Inventor
李成秀
王敬昌
李桂英
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
QINGDAO XINDACHENG PLASTIC MACHINERY CO Ltd
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QINGDAO XINDACHENG PLASTIC MACHINERY CO Ltd
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Priority to CN201620621305 priority
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Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G25/00Watering gardens, fields, sports grounds or the like
    • A01G25/02Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
    • A01G25/023Dispensing fittings for drip irrigation, e.g. drippers
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G25/00Watering gardens, fields, sports grounds or the like
    • A01G25/02Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B05B1/20Arrangements of several outlets along elongated bodies, e.g. perforated pipes or troughs, e.g. spray booms; Outlet elements therefor
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/22Improving land use; Improving water use or availability; Controlling erosion

Abstract

The utility model relates to an interior empiecement formula pressure compensated dripper and drip irrigation zone, the lower surface of water dropper main part is provided with outside maze turbulent flow runner, punching slot, first and second delivery port and first water inlet, and the upper surface is provided with water inlet grid, the inside of water dropper main part is provided with the water storage chamber, and the water storage intracavity is provided with the flexible sheet and in order to fall into pressure compensation chamber and filter chamber with it, is provided with the flange in the filter chamber in order to fall into it the intake chamber and to go out the basin, rivers pass through the intake chamber that water inlet grid got into the filter chamber, and the deformation of water pressure elasticity of compression diaphragm makes rivers get into out the basin, and the exit end that goes out the basin is connected through the first delivery port and the entry end of outside maze turbulent flow runner, and the exit end of the turbulent runner in outside maze passes through first water inlet to be connected with the entry end in pressure compensation chamber, and the exit end in pressure compensation chamber passes through the second delivery port and is connected with punching slot. An anti clogging property, and then improve and drip irrigation efficiency for realizing the even purpose of water dropper flow under different pressure improves the drip irrigation zone .

Description

Interior inserted-blade type pressure-compensating water dropper and drip irrigation zone
Technical field
This utility model belongs to water-saving drip irrigation technical field and in particular to a kind of interior inserted-blade type pressure-compensating water dropper, drip irrigation Band and drip irrigation method.
Background technology
Water-saving irrigation is the major measure that countries in the world developing modern agriculture is taken, in water-saving irrigation, drip irrigation technique It is by the water dropper on main, arm and hollow billet, often lentamente drip to soil under low pressure, be directly to supply to soil A kind of advanced high standard irrigation technique of the moisture, fertilizer or the other chemical agent that filter etc., and wherein most economize on water in drip irrigation zone Volume increase efficiently and is widely used in land for growing field crops, booth, greenhouse, ecological garden and urban afforestation the advantages of environmental protection.Water dropper as drip Key component in irrigation technology, water and nutrient are mainly uniformly instilled soil by its effect, and therefore its performance is good and bad directly determines to fill Irrigate quality.Domestic existing water dropper most of when water flow pressure changes, dripping end flow change greatly so that dripping end flow everywhere Shape and fed distance change etc. factor and unstable, lead to crop irrigation uneven.Existing pressure-compensating water dropper leads to more at present Cross change flow channel shape or regulation discharge section area to adjust flow so that dripping end flow changes greatly under high and low pressure, Lead to water yield uneven, and during life-time service, under low pressure due to the less easy blocking runner in discharge area, lead Cause the performance of anti-blockage of runner poor, cause drip irrigation inefficiency.
Utility model content
This utility model provides a kind of interior inserted-blade type pressure-compensating water dropper, drip irrigation zone and drip irrigation method, existing for solving In technology, dripping end flow holds susceptible to plugging problem with change in pressure and drip irrigation zone, realizes dripping in wider pressure limit The purpose of head uniform flow, improves the performance of anti-blockage of drip irrigation zone, and then improves drip irrigation efficiency.
For solving above-mentioned technical purpose, this utility model provides following technical scheme to be solved:
This utility model provides a kind of interior inserted-blade type pressure-compensating water dropper, including emitter body, under described emitter body Surface is provided with outside labyrinth turbulent flow runner, punching groove, the first outlet, the second outlet and the first water inlet, and upper surface sets It is equipped with trash rack;Described emitter body be internally provided with water storage cavity, described water storage intracavity is provided with flexible sheet with by institute State water storage cavity and be divided into pressure compensation chamber and filter chamber, described trash rack connects described filter chamber, and described filter chamber passes through described First outlet is connected with described outside labyrinth turbulent flow runner, described outside labyrinth turbulent flow runner pass through described first water inlet and Described pressure compensation chamber connects, and described pressure compensation chamber is passed through described second outlet and is connected with described punching groove.
Further, described outside labyrinth turbulent flow runner includes the first outside labyrinth turbulent flow runner and the second outside labyrinth is disorderly Stream runner;The lower surface of described emitter body is additionally provided with the 3rd outlet and the second water inlet;The inside of described emitter body It is additionally provided with internal labyrinth turbulent flow runner;Described filter chamber is by described first outlet and the described first outside labyrinth more turbulent flow Road connects, and the described first outside labyrinth turbulent flow runner is passed through described second water inlet and is connected with described internal labyrinth turbulent flow runner, Described internal labyrinth turbulent flow runner is passed through described 3rd outlet and is connected with the described second outside labyrinth turbulent flow runner, and described second Outside labyrinth turbulent flow runner is connected with described pressure compensation chamber by described first water inlet.
Further, described first outside labyrinth turbulent flow runner and the second outside labyrinth turbulent flow runner be provided with outside disorderly Stream tooth, and described internal labyrinth turbulent flow runner is provided with internal turbulence tooth.
Further, the runner between described second outlet and described punching groove arranges spaced point of water plate.
Further, it is externally formed with annular retaining ring around described trash rack in described filter chamber, described annular retaining ring Described filter chamber is divided into intake chamber and effluent trough.
This utility model also provides a kind of drip irrigation zone, including water-supply-pipe it is characterised in that also including above-mentioned interior inserted-blade type pressure Force compensating water dropper, the lower surface of the emitter body of described interior inserted-blade type pressure-compensating water dropper is attached on the inwall of described water-supply-pipe, The position being located at the punching groove of described interior inserted-blade type pressure-compensating water dropper on described water-supply-pipe offers drip hole.
Compared with prior art, this utility model provide interior inserted-blade type pressure-compensating water dropper and dropper band have excellent as follows Point and beneficial effect:Water after being filtered by trash rack flows into the intake chamber of filter chamber, and water pressure forces flexible sheet To the deformation of pressure compensation chamber so that current flow into effluent trough and flow out from the first outlet, then to flow through outside labyrinth disorderly for current Stream runner, the first water inlet enter pressure compensation chamber, and when water flow pressure hour, flexible sheet deformation is less, pressure compensation intracavity Volume is larger and internal pressure is less, less to the resistance to water-flow flowing into pressure compensation chamber so that from pressure compensation chamber through the The current quantitative change that two outlets flow into punching groove is big;Otherwise when water flow pressure is big so that discharge diminishes, so that from pressure The discharge that the port of export in force compensating chamber flows into punching groove through the second outlet can change with water flow pressure size, realizes dripping The head uniform purpose of water yield;Trash rack effectively filters impurities in water, it is to avoid impurity flows into the drip hole of emitter clogging drip irrigation zone, And filter the annular retaining ring of intracavity setting and filter chamber is divided into intake chamber and effluent trough so that flowing into the water of intake chamber through overvoltage The deformation of contracting flexible sheet flows into outlet slot, has backwash effect to the impurity of blocking, improves drip irrigation zone performance of anti-blockage, and Flexible sheet and annular retaining ring have cushioning effect to current, the further stationary flow uniformity, improve drip irrigation efficiency.
Brief description
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to this practicality The accompanying drawing of required use in new embodiment or description of the prior art make one brief introduce it should be apparent that, described below Accompanying drawing is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying creative work On the premise of, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the perspective view one of inserted-blade type pressure-compensating water dropper in the present embodiment;
Fig. 2 is the perspective view two of inserted-blade type pressure-compensating water dropper in the present embodiment;
Fig. 3 is the front view of inserted-blade type pressure-compensating water dropper in the present embodiment;
Fig. 4 is the rearview of inserted-blade type pressure-compensating water dropper in the present embodiment;
Fig. 5 is the lower surface internal structure schematic diagram of inserted-blade type pressure-compensating water dropper in the present embodiment;
Fig. 6 is the cutaway view Amplified image in Fig. 3 along A-A direction;
Fig. 7 is the structural representation of the present embodiment drip irrigation zone.
Specific embodiment
Purpose, technical scheme and advantage for making this utility model embodiment are clearer, new below in conjunction with this practicality Accompanying drawing in type embodiment, is clearly and completely described it is clear that being retouched to the technical scheme in this utility model embodiment The embodiment stated is a part of embodiment of this utility model, rather than whole embodiments.Based on the enforcement in this utility model Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of not making creative work, broadly fall into The scope of this utility model protection.
Referring to Fig. 1 to Fig. 6, Fig. 1 and Fig. 2 all illustrates two kinds of solids of inserted-blade type pressure-compensating water dropper 100 in the present embodiment Structural representation, including emitter body.As Fig. 3, the lower surface 20 of emitter body is provided with outside labyrinth turbulent flow runner 8, punching Groove 5, the first outlet 1, the second outlet 3 and the first water inlet 2;As Fig. 4, upper surface 30 is provided with trash rack 31;As figure 6, emitter body 110 be internally provided with water storage cavity corresponding with trash rack 31, water storage intracavity be provided with flexible sheet 40 with Water storage cavity is divided into pressure compensation chamber 13 and the filter chamber 33 corresponding to trash rack 31, in filter chamber 33, is provided with annular retaining ring 32 to be divided into intake chamber 33-1 and effluent trough 33-2 by filter chamber 33;Current enter the water inlet of filter chamber 33 by trash rack 31 Groove 33-1, hydraulic pressure elasticity of compression diaphragm 40 deformation makes current enter effluent trough 33-2, and the port of export of effluent trough 33-2 passes through the One outlet 1 is connected with the arrival end of outside labyrinth turbulent flow runner 8, and the port of export of outside labyrinth turbulent flow runner 8 enters by first The mouth of a river 2 is connected with the arrival end in pressure compensation chamber 13, and the port of export in pressure compensation chamber 13 passes through the second outlet 3 and punching groove 5 Connect.
In the present embodiment, inserted-blade type pressure-compensating water dropper 100 is provided with punching groove 5 for outside draining in emitter body, In actual use, in the present embodiment, the lower surface 20 of inserted-blade type pressure-compensating water dropper 100 is attached on the inwall of water-supply-pipe, water delivery Offer drip hole at the position that punching groove 5 is located on tube wall, for discharging the water being emitted in punching groove 5 by drip hole, be Crop irrigation.
Referring specifically to Fig. 3, Fig. 5 and Fig. 6, when water-supply-pipe is full of water, current pass through the water inlet of emitter body upper surface 30 Grid 31, stops the impurity such as silt or grass roots to enter filter chamber 33, for filtered water stream effectively.It is provided with ring in filter chamber 33 Shape back-up ring 32, it is the annular protrusion of the outer circumferential edge certain distance apart from filter chamber 33, and filter chamber 33 is divided into inner circle Shape intake chamber 33-1 and outer annular effluent trough 33-2, referring to Fig. 6, illustrates inner circular intake chamber 33-1 and outer annular effluent trough 33-2 Viewgraph of cross-section.When current initially enter in this filter chamber 33, water flow pressure makes flexible sheet 40 towards pressure compensation chamber 13 there is certain deformation, and current flow to effluent trough 33-2 from intake chamber 33-1, go out as shown by the arrows in Figure 6, the first water outlet The arrival end of the port of export of mouth 1 connection effluent trough 33-2 and outside labyrinth turbulent flow runner 8 is so that current are by the first outlet 1 Arrival end from the port of export flow direction outside labyrinth turbulent flow runner 8 of effluent trough 33-2.Preferably, it is that row buffering is flow to steady to water Determine uniform fluid flow degree, outside labyrinth turbulent flow runner 8 is provided with outside turbulent flow tooth 7.First water inlet 2 connects outside labyrinth more turbulent flow The arrival end in the port of export in road 8 and pressure compensation chamber 13 is so that current flow out to the from the port of export of outside labyrinth turbulent flow runner 8 One water inlet 2 and and then feed pressure compensated cavity 13 arrival end, the second outlet 3 connect pressure compensation chamber 13 the port of export and Punching groove 5 is so that the water that the port of export from pressure compensation chamber 13 flows out flows into punching groove 5 through the second outlet 3.In this enforcement In example, in pressure compensation chamber 13, the size of discharge depends on its internal capacity, when from trash rack 31 entrance intake chamber 33-1 Water flow pressure larger when, be in the flexible sheet 40 of water storage intracavity towards pressure compensation chamber 13 deformation larger so that pressure The internal capacity of compensated cavity 13 is less, internal pressure becomes big, larger to the resistance to water-flow entering pressure compensation chamber 13, thus from pressure The discharge that the port of export in force compensating chamber 13 flows out is less;Otherwise when the water flow pressure from trash rack 31 entrance intake chamber 33-1 When less, be in the flexible sheet 40 of water storage intracavity towards pressure compensation chamber 13 deformation less so that pressure compensation chamber 13 Internal capacity is larger, internal pressure diminishes, less to the resistance to water-flow entering pressure compensation chamber 13, thus from pressure compensation chamber 13 The port of export flow out discharge larger, realize in the case of different intake pressures water yield adjusting purpose, improve water yield Uniformity.Inserted-blade type pressure-compensating water dropper 100 in the present embodiment, can allow current smooth in the turbulent flow runner 8 of outside labyrinth Pass through, ensure that pressure reduction in pressure compensation chamber 13, so that pressure degree of regulation is higher, and is quick on the draw, realizes water yield more again Uniformly, in the case of the change of high and low pressure water yield, the uniform flow of continuous-stable can be provided for a long term for crop irrigation, Improve crop yield.In normal operation, the annular retaining ring 32 being arranged in filter chamber 33 and the effluent trough being consequently formed 33-2 flows to row buffering to the water flowing into from trash rack 31, the uniformity of stationary flow, and to being blocked in trash rack 31 Impurity carries out backwash so that the filtration mouth of blocking is smooth, realizes the purpose of drip irrigation zone anti-clogging.
The effect of water dropper obtains sufficient energy dissipating when being so that pressure flow by water dropper inner flow passage, thus refining current. In the present embodiment, inserted-blade type pressure-compensating water dropper 100 adopts multistage reciprocating labyrinth turbulent flow runner, increased the length of emitter flow channel Degree, as shown in Figure 3 and Figure 5, outside labyrinth turbulent flow runner 8 includes the first outside labyrinth turbulent flow runner 8-1 and second outside labyrinth Turbulent runner 8-2, the lower surface 20 of emitter body 110 is additionally provided with the 3rd outlet 10 and the second water inlet 6, emitter body 110 inside is additionally provided with internal labyrinth turbulent flow runner 11, and the current flowing out from the first outlet 1 are turbulent in the first outside labyrinth Flow in runner 8-1 and flow to the second water inlet 6, the water flowing out from the second water inlet 10 flows into internal labyrinth turbulent flow runner 11 Arrival end, current flowing and flow to the 3rd outlet 10 in labyrinth turbulent flow runner 11 internally, flow out from the 3rd outlet 10 Current flow in the second outside labyrinth turbulent flow runner 8-2 and flow to the first water inlet 2, and current are flowed into by the first water inlet 2 The arrival end in pressure compensation chamber 13, the second outlet 3 connects the port of export in pressure compensation chamber 13 and punching groove 5 so that from pressure The water that the port of export of compensated cavity 13 flows out flows into punching groove 5 through the second outlet 3.Multistage reciprocating labyrinth turbulent flow runner is to water Stream has carried out abundant energy dissipating, is conducive to uniformly refining current, and reciprocating runner can save water dropper space, reduces water dropper thickness, Reduce water dropper 100 cost of manufacture, and the light and thin type water dropper that thickness reduces affixes to water-supply-pipe in the lower surface 20 by emitter body Inwall on when reduce paste wheel and paste bar between difference in height, be conducive to improve drip irrigation zone production efficiency.
Preferably, the outside labyrinth turbulent flow runner 8-2 of the first outside labyrinth turbulent flow runner 8-1 and second be provided with outside disorderly Stream tooth 7, and internal labyrinth turbulent flow runner 11 is provided with internal turbulence tooth 12.Inserted-blade type pressure-compensating water dropper 100 in the present embodiment By current and internal labyrinth turbulent flow runner 11 and outside turbulent flow runner 8 side wall and internal turbulence tooth 12, the rubbing of outside turbulent tooth 7 The collective effect loss pressure head such as the contraction of resistance loss and runner 8,11 and expansion, reduces non-mainstream area cirulating face Long-pending, it is to avoid larger mainstream speed gradient, make in runner 8,11 water velocity everywhere tend to uniform, it is to avoid low speeds flow area Domain, is conducive to the impurity in flushing flow passage 8,11, further increases the performance of anti-blockage of drip irrigation zone.Additionally, light and thin type drip Head in flexible sheet 40 deformation less so that the service life of flexible sheet 40 is longer.
Further, in order to the water that the stable port of export from pressure compensation chamber 13 flows out is beaten through the second outlet 3 flow direction The current of hole slot 5, as shown in figure 3, arrange spaced point of water plate 9 on the runner between the second outlet 3 and punching groove 5.
Fig. 7 is the structural representation of drip irrigation zone embodiment.As shown in fig. 7, the present embodiment drip irrigation zone, including water-supply-pipe 200, Also include multiple interior inserted-blade type pressure-compensating water droppers 100, the lower surface 20 of the emitter body of interior inserted-blade type pressure-compensating water dropper 100 It is attached on the inwall of water-supply-pipe 200, the position that water-supply-pipe 200 is located at the punching groove 5 of interior inserted-blade type pressure-compensating water dropper 100 is opened It is provided with drip hole 101.
Specifically, the interior inserted-blade type pressure-compensating water dropper in the present embodiment can be using inserted-blade type pressure in this utility model Interior inserted-blade type pressure-compensating water dropper in force compensating water dropper embodiment, the concrete structure of interior inserted-blade type pressure-compensating water dropper 100 can With the record referring to inserted-blade type pressure-compensating water dropper embodiment and Fig. 1 to Fig. 6 in this utility model, will not be described here.
Finally it should be noted that:Above example only in order to the technical solution of the utility model to be described, is not intended to limit; Although being described in detail to this utility model with reference to the foregoing embodiments, it will be understood by those within the art that: It still can be modified to the technical scheme described in foregoing embodiments, or wherein some technical characteristics are carried out etc. With replacement;And these modifications or replacement, do not make the essence of appropriate technical solution depart from this utility model each embodiment technology The spirit and scope of scheme.

Claims (6)

1. it is characterised in that including emitter body, the lower surface of described emitter body sets a kind of interior inserted-blade type pressure-compensating water dropper Be equipped with outside labyrinth turbulent flow runner, punching groove, the first outlet, the second outlet and the first water inlet, upper surface be provided with into Water grid;Described emitter body be internally provided with water storage cavity, described water storage intracavity is provided with flexible sheet with by described water storage Chamber is divided into pressure compensation chamber and filter chamber, and described trash rack connects described filter chamber, and described filter chamber goes out by described first The mouth of a river is connected with described outside labyrinth turbulent flow runner, and described outside labyrinth turbulent flow runner is by described first water inlet and described pressure Force compensating chamber connects, and described pressure compensation chamber is passed through described second outlet and is connected with described punching groove.
2. interior inserted-blade type pressure-compensating water dropper according to claim 1 is it is characterised in that described outside labyrinth turbulent flow runner Including the first outside labyrinth turbulent flow runner and the second outside labyrinth turbulent flow runner;The lower surface of described emitter body is additionally provided with Three outlets and the second water inlet;The inside of described emitter body is additionally provided with internal labyrinth turbulent flow runner;Described filter chamber leads to Cross described first outlet to be connected with the described first outside labyrinth turbulent flow runner, the described first outside labyrinth turbulent flow runner passes through institute State the second water inlet to be connected with described internal labyrinth turbulent flow runner, described internal labyrinth turbulent flow runner passes through described 3rd outlet It is connected with the described second outside labyrinth turbulent flow runner, the described second outside labyrinth turbulent flow runner passes through described first water inlet and institute State pressure compensation chamber to connect.
3. interior inserted-blade type pressure-compensating water dropper according to claim 2 is it is characterised in that the described first outside labyrinth is turbulent Runner and the second outside labyrinth turbulent flow runner are provided with outside turbulent flow tooth, and described internal labyrinth turbulent flow runner is provided with inside Turbulent tooth.
4. interior inserted-blade type pressure-compensating water dropper according to claim 1 it is characterised in that described second outlet with described On runner between punching groove, spaced point of water plate is set.
5. according to the arbitrary described interior inserted-blade type pressure-compensating water dropper of claim 1-4 it is characterised in that in described filter chamber around Described trash rack be externally formed with annular retaining ring, described filter chamber is divided into intake chamber and effluent trough by described annular retaining ring.
6. a kind of drip irrigation zone, including water-supply-pipe it is characterised in that also include multiple as in claim 1-5 arbitrary described in Inserted-blade type pressure-compensating water dropper, the lower surface of the emitter body of described interior inserted-blade type pressure-compensating water dropper is attached to described water-supply-pipe On inwall, the position that described water-supply-pipe is located at the punching groove of described interior inserted-blade type pressure-compensating water dropper offers drip hole.
CN201620878370.XU 2016-06-22 2016-08-15 Interior empiecement formula pressure compensated dripper and drip irrigation zone Active CN205922296U (en)

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CN201620621305 2016-06-22

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CN201620878370.XU Active CN205922296U (en) 2016-06-22 2016-08-15 Interior empiecement formula pressure compensated dripper and drip irrigation zone

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107079784A (en) * 2017-05-25 2017-08-22 大禹节水集团股份有限公司 A kind of underground pressure compensates drip emitter

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106633357B (en) * 2016-12-31 2020-08-14 莱芜润丰节水技术设备有限公司 Elastomer for producing drip irrigation tape adhesive tape and production method
CN107114215A (en) * 2017-05-25 2017-09-01 大禹节水集团股份有限公司 A kind of high anti-stifled underground pressure compensation drip emitter
JP2019058099A (en) * 2017-09-26 2019-04-18 株式会社エンプラス Emitter and drip irrigation tube

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107079784A (en) * 2017-05-25 2017-08-22 大禹节水集团股份有限公司 A kind of underground pressure compensates drip emitter

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