CN211881494U

CN211881494U - Full arc maze runner dripper with fine silt flowing through without blockage

Info

Publication number: CN211881494U
Application number: CN202020259067.8U
Authority: CN
Inventors: 张亮; 牛文全; 皮特; 李传胜
Original assignee: Shandong Spring Rain Water Saving Irrigation Equipment Co ltd
Current assignee: Shandong Spring Rain Water Saving Irrigation Equipment Co ltd
Priority date: 2020-03-05
Filing date: 2020-03-05
Publication date: 2020-11-10
Anticipated expiration: 2030-03-05

Abstract

The utility model discloses a fine silt flows through and full pitch arc maze runner dripper of jam not, including plastic substrate, water inlet and delivery port, its characterized in that: the plastic substrate is provided with a row of circular grooves on the surface, an elliptic cylinder is arranged at the center in each circular groove, openings are formed in the left wall and the right wall of each circular groove, and adjacent openings between adjacent circular grooves are connected through arc-shaped walls; one side of the circular groove at the left end, which is close to the water inlet, is communicated with an outlet of the water inlet; one side of the circular groove at the right end, which is close to the water outlet, is communicated with an inlet of the water outlet; the water outlet is L-shaped, the horizontal section is parallel to the arrangement direction of the circular grooves, and the vertical section is arranged at the position 2-3 mm inside the right end of the plastic substrate. The utility model discloses a full arc runner, the runner wall is smooth, and runner internal pressure constantly changes, and regular striking and rotatory vortex have improved the ability of passing through of fine silt in the dripper runner, have reduced the probability that the dripper blockked up.

Description

Full arc maze runner dripper with fine silt flowing through without blockage

Technical Field

The utility model relates to an improvement of dripper among drip irrigation system, specifically speaking are full pitch arc maze runner dripper that fine silt flowed but not blockked up, and it is applicable to and drips irrigation the yellow river that the technique vigorously developed and uses in low reaches area.

Background

As is known, drip irrigation is an efficient water-saving irrigation technique which is widely popularized in arid regions in China, and both banks of a yellow river belong to a water-deficient region although the yellow river is in a river basin, so that water-saving irrigation is also widely regarded, and particularly, drip irrigation techniques are vigorously developed in the middle and lower reaches of the yellow river.

The dripper is an important component in a drip irrigation system, the flow index and the anti-blocking performance of the dripper are the two main performance indexes of the dripper, and the structure of the dripper can directly influence the flow index and the anti-blocking performance of the dripper. The dripper structure that uses at present, mostly include dripper base member, water inlet, delivery port and maze runner, and the maze runner is the profile of tooth structure, and the one end of maze runner connects into the mouth of a river, and the other end connects out the mouth of a river, and the not enough of this kind of dripper lie in: because the water flow in the dripper flows along the tooth-shaped flow channel, namely along the broken line, the energy dissipation effect is achieved, no vortex occurs, and the flow state change is less, so that the flow channel wall is easy to bond or deposit when meeting fine silt, the flow state index is reduced, and the flow channel is blocked finally.

For the popularization of drip irrigation in the yellow river basin, the sand content of the yellow river water is high, the sand is fine, and therefore, the problem that the drippers are prevented from being blocked in order to reduce the normal operation of a drip irrigation system in the yellow river water drip irrigation area is an important problem. The current solutions are: the large-scale grit chamber is set, multiple stages of filtering equipment are configured, silt needs to be removed regularly, the filtering equipment needs to be cleaned, and the content of the silt entering the dripper flow channel is reduced as much as possible. In addition, the yellow river fine silt is fertile soil rich in nutrition, can improve soil and fertility, but is mostly filtered by multi-stage filtration, thereby wasting resources.

In order to prevent the dripper from being easily blocked by silt, various improvements have been reported through searching, but most of the improvements are made on the number and positions of the tooth-shaped flow passages, and the problems that the silt is easily deposited and the flow passages are blocked cannot be solved. In order to eliminate partial energy, form reverse flow and impact, avoid agglomeration, be not easy to bond and reduce blockage, the anti-blockage dripper which is submitted by the university of Tarim in 2016.07.08 has a Chinese patent No. CN201610535350.7, and the anti-blockage dripper comprises a water inlet, a water outlet, a body and circular members, wherein the circular members are arranged on the body in an array manner, the water inlet and the water outlet are arranged at two ends of the body, and a flow channel passes through the circular members; in addition, as the number of the circular components is too many, the resistance is increased, the flow speed of the flow channel at the edge is reduced, and partial flow channel blockage is still easy to generate; meanwhile, the problem of utilization of fine silt is not solved.

Disclosure of Invention

An object of the utility model is to provide a not only prevent that the runner from blockking up, can also make fine silt pass through, simple structure, easy preparation, the fine silt that the specially adapted yellow river basin driped irrigation a little flows and not blocked full pitch arc maze runner dripper.

In order to achieve the above purpose, the utility model adopts the technical scheme that: this fine silt flows through but full pitch arc maze runner dripper of jam, including plastic substrate, water inlet and delivery port, the water inlet is established in the left end of plastic substrate 2-10 mm departments, for square hole, its characterized in that: the plastic substrate is characterized in that a row of circular grooves are formed in the plate surface of the plastic substrate, an elliptic cylinder is arranged at the center of each circular groove, the distance between the inner wall of each circular groove and the outer wall of each elliptic cylinder is 0.5-1.0 mm, the distance between every two adjacent circular grooves is 2/7-3/7 of the radius of each circular groove, openings are formed in the left wall and the right wall of each circular groove, and the adjacent openings between every two adjacent circular grooves are connected through arc-shaped walls; one side of the circular groove at the left end, which is close to the water inlet, is communicated with an outlet of the water inlet; one side of the circular groove at the right end, which is close to the water outlet, is communicated with an inlet of the water outlet; the water outlet is L-shaped, the horizontal section is parallel to the arrangement direction of the circular grooves, and the vertical section is arranged at the position 2-3 mm inside the right end of the plastic substrate.

As the improvement of the utility model: the long axis of the elliptic section of the elliptic cylinder is vertical to the arrangement direction of the row of circular grooves.

The diameter of each circular groove is 2.4-2.5 mm; the opening width of each circular groove is 0.6-0.8 mm; the circle centers of the adjacent circular grooves are staggered by 0.3-0.5 mm from front to back; the depth of the circular groove is consistent with the opening width of the circular groove, and the height of the elliptic cylinder is consistent with the depth of the circular groove.

The beneficial effects of the utility model reside in that: compare with the dripper of using at present, the utility model discloses owing to adopted the full arc runner, the runner wall is smooth, runner internal pressure constantly changes, regular striking and rotatory vortex, so not only have the energy dissipation effect and increase the anti jam effect of turbulent flow, and when not showing the flow state index that reduces the dripper notably, can show the throughput who improves fine silt in the dripper runner, reduce the delay of fine silt in the runner, the deposit, bond, thereby reduce the probability that the dripper blockked up, and then simplify filtration system, reduce the micro-irrigation cost, let more fine silt directly discharge the farmland along with water, realize organic the utilization.

Drawings

Fig. 1 is a schematic top view of the structure of the present invention.

In the figure: 1. a plastic substrate; 2. a water inlet; 3. a water outlet; 4. a circular groove; 5. an elliptical cylinder; 6. an opening; 7. an arcuate wall.

Detailed Description

The present invention is made with reference to fig. 1. This fine silt flows through but full pitch arc maze runner dripper of jam, including plastic substrate 1, water inlet 2 and delivery port 3, 2-10 mm departments are established in plastic substrate 1's left end to water inlet 2, for square hole, its characterized in that: the plate surface of the plastic base body 1 is provided with a row of circular grooves 4, the center in each circular groove 4 is provided with an elliptic cylinder 5, the distance between the inner wall of each circular groove 4 and the outer wall of the elliptic cylinder 5 is 0.5-1.0 mm, the distance between adjacent circular grooves 4 is 2/7-3/7 of the radius of the circular groove 4, the left wall and the right wall of each circular groove 4 are provided with openings 6, the adjacent openings 6 between the adjacent circular grooves 4 are connected through an arc-shaped wall 7, so that a full arc labyrinth flow channel is formed between the inner wall of the row of circular grooves 4 and the outer wall of the elliptic cylinder 5 in the circular groove 4, the entering water flow not only has the energy dissipation effect, but also has smooth flow channel wall, and the sediment deposition is avoided, meanwhile, when flowing water passes through the inlet of each circular groove 4, the pressure is increased, and after flowing into the circular grooves 4, the pressure is suddenly reduced, so that the pressure expansion and contraction effect is realized, and the silt molecular groups in the water become loose; because the major axis of the elliptical section of the elliptical cylinder 5 is vertical to the arrangement direction of the row of circular grooves 4, the impact surface of water flow is enlarged, and simultaneously, the water flow is quickly divided to two sides, bypasses the elliptical cylinder 5, is pressurized, generates vortex flow, has rotary scouring effect on the wall of the flow passage, and avoids the silt from being bonded on the wall of the flow passage; one side of the circular groove 4 at the left end, which is close to the water inlet 2, is communicated with the outlet of the water inlet 2; one side of the circular groove 4 at the right end, which is close to the water outlet 3, is communicated with an inlet of the water outlet 3; the water outlet 3 is L-shaped, the horizontal section is parallel to the arrangement direction of the circular grooves 4, and the vertical section is arranged at the position 2-3 mm inside the right end of the plastic substrate 1.

As the improvement of the utility model: the long axis of the elliptic section of the elliptic cylinder 5 is vertical to the arrangement direction of the circular grooves 4 in one row so as to increase the water flow resistance and the impact force.

The diameter of the circular groove 4 is 2.4-2.5 mm; the width of the opening 6 of each circular groove 4 is 0.6-0.8 mm; the circle centers of the adjacent circular grooves 4 are staggered by 0.3-0.5 mm from front to back; the depth of the circular groove 4 is consistent with the width of the opening 6 of the circular groove 4, and the height of the elliptic cylinder 5 is consistent with the depth of the circular groove 4.

The anti-blocking capability of the full arc maze runner dripper which is tested by a primary prototype and is not blocked by the fine silt flowing through the full arc maze runner dripper is more than 3 times of that of the existing dripper, the flow state index is between 0.51 and 0.54, the yellow river silt blocking phenomenon is not found when the dripper is used in a yellow river basin micro drip irrigation system, the flow rate of the fine silt is 90 to 96 percent, and the use of the fine silt is facilitated.

Claims

1. Fine silt flows through and full pitch arc maze runner dripper of unblock, including plastic substrate (1), water inlet (2) and delivery port (3), 2-10 mm departments are established in the left end of plastic substrate (1) in water inlet (2), for square hole, its characterized in that: the plastic base body (1) is characterized in that a row of circular grooves (4) are formed in the plate surface, an elliptic cylinder (5) is arranged at the center of each circular groove (4), the distance between the inner wall of each circular groove (4) and the outer wall of each elliptic cylinder (5) is 0.5-1.0 mm, the distance between every two adjacent circular grooves (4) is 2/7-3/7 of the radius of each circular groove (4), openings (6) are formed in the left wall and the right wall of each circular groove (4), and the adjacent openings (6) between every two adjacent circular grooves (4) are connected through an arc-shaped wall (7); one side of the circular groove (4) at the left end, which is close to the water inlet (2), is communicated with the outlet of the water inlet (2); one side of the circular groove (4) at the right end, which is close to the water outlet (3), is communicated with the inlet of the water outlet (3); the water outlet (3) is L-shaped, the horizontal section is parallel to the arrangement direction of the circular grooves (4), and the vertical section is arranged at the position 2-3 mm inside the right end of the plastic substrate (1).

2. The full arc maze flow path dripper of claim 1, in which the silt flows through the dripper without blocking, and the dripper comprises: the long axis of the elliptic section of the elliptic cylinder (5) is vertical to the arrangement direction of the circular grooves (4).

3. The full arc maze flow path dripper of claim 1, in which the silt flows through the dripper without blocking, and the dripper comprises: the diameter of the circular groove (4) is 2.4-2.5 mm; the width of the opening (6) of each circular groove (4) is 0.6-0.8 mm; the circle centers of the adjacent circular grooves (4) are staggered by 0.3-0.5 mm from front to back; the depth of the circular groove (4) is consistent with the width of the opening (6) of the circular groove (4), and the height of the elliptic cylinder (5) is consistent with the depth of the circular groove (4).