CN210432514U

CN210432514U - Green house is from deposit from driping irrigation device

Info

Publication number: CN210432514U
Application number: CN201920865076.9U
Authority: CN
Inventors: 贾宗星; 韩秀娟
Original assignee: Shanxi Agricultural University
Current assignee: Shanxi Agricultural University
Priority date: 2019-06-10
Filing date: 2019-06-10
Publication date: 2020-05-01
Anticipated expiration: 2029-06-10

Abstract

The utility model discloses a self-storage and self-drip irrigation device for an agricultural greenhouse, which comprises a one-way pressure head, a primary drainage pipeline and a secondary drainage pipeline; the one-way pressure head is arranged at the end part of the primary drainage pipeline; and a plurality of liquid seepage holes are distributed on the secondary liquid discharge pipeline and are in contact with the transplanted soil foundation block. The one-way pressure head comprises a trapezoidal self-storage tank, an elastic plastic membrane, a liquid inlet hole, an inner core and a liquid outlet hole; the device can continuously and stably supply moisture or nutrients to the transplanted soil foundation block, effectively save labor, cover the periphery of the transplanted soil foundation block and have a large irrigation range; the utility model discloses water pressure is stable between deposit dovetail groove and the apopore from what the device had, forms little infiltration structure between apopore and the soil property foundation block, is favorable to the slow infiltration of moisture content or nutrient composition, makes the soil property between soil property foundation ditch and the soil property foundation block slowly fuse together, improves the cultivation quality of transplanting fruit vegetables seedling.

Description

Green house is from deposit from driping irrigation device

Technical Field

The utility model relates to an irrigation equipment for among green house, the device have from the deposit with drip irrigation the function certainly, belong to green house and irrigate technical field.

Background

Drip irrigation is a watering technique that uses plastic tubing to deliver water through orifices or drippers in capillaries of about 10mm in diameter to the roots of crops for localized irrigation. The water utilization rate of drip irrigation can reach 95%. Compared with spray irrigation, the drip irrigation has higher water-saving and yield-increasing effects, and can be combined with fertilization to improve the fertilizer efficiency by more than one time. The irrigation system is suitable for irrigation of fruit trees, vegetables, economic crops and greenhouses, and can also be used for irrigation of field crops in arid places with water shortage.

The drip irrigation is mainly characterized by small irrigation quantity, and the flow of the irrigator is 2-12 liters per hour, so that the one-time irrigation duration is longer, the irrigation period is short, and the small-water frequent irrigation can be realized; the required working pressure is low, the irrigation quantity can be accurately controlled, ineffective evaporation can be reduced, waste of water cannot be caused, and automatic management can be realized in drip irrigation.

At present, the soil foundation blocks transplanted in the greenhouse need to be continuously and stably supplied with water or fertilizer nutrients, the traditional drip irrigation needs to be used for supplying water for multiple times, and the operation is complicated; a device capable of stably supplying water or nutrients is designed to save irrigation resources.

SUMMERY OF THE UTILITY MODEL

The utility model aims to design an agricultural greenhouse self-storage self-drip irrigation device, which can continuously and stably supply moisture or nutrients to the transplanted soil foundation block, effectively save labor, cover the periphery of the transplanted soil foundation block and enlarge the irrigation range; the utility model discloses water pressure is stable between deposit dovetail groove and the apopore from what the device had, forms little infiltration structure between apopore and the soil property foundation block, is favorable to the slow infiltration of moisture content or nutrient composition, makes the soil property between soil property foundation ditch and the soil property foundation block slowly fuse together, improves the cultivation quality of transplanting fruit vegetables seedling.

In order to realize the purpose, the technical scheme adopted by the utility model is an agricultural greenhouse self-storage self-drip irrigation device, which comprises a one-way pressure head, a primary drainage pipeline 2 and a secondary drainage pipeline 7; the one-way pressure head is arranged at the end part of the primary liquid discharge pipeline 2, the bottom of the primary liquid discharge pipeline 2 is arranged at the middle position of the secondary liquid discharge pipeline 7, and the secondary liquid discharge pipeline 7 is wrapped outside the transplanted soil foundation block; a plurality of liquid seepage holes are distributed on the secondary liquid drainage pipeline 7 and are contacted with the transplanted soil foundation block.

The one-way pressure head comprises a trapezoidal self-storage tank 1, an elastic plastic membrane 3, a liquid inlet hole 4, an inner core 5 and a liquid outlet hole 6; the section structure of the unidirectional pressure head is a trapezoidal structure, an elastic plastic membrane 3 is arranged in the middle of the unidirectional pressure head, and the elastic plastic membrane 3 divides the unidirectional pressure head into an outer cavity and an inner cavity; the outer cavity part is a trapezoidal self-storing groove 1, and the inner cavity part is an inner core 5; the elastic plastic membrane 3 is arranged at the bottom of the inner core 5, the liquid discharge hole 6 is arranged in the middle of the inner core 5, and a radial communicating hole is reserved between the elastic plastic membrane 3 and the inner core 5; the liquid inlet holes 4 are arranged at two sides of the trapezoidal self-storage tank 1;

the inner core 5 is divided into two symmetrical parts AB along the axial direction, wherein the part A is longer than the part B by 3-8mm, and a radial communicating hole is formed between the part B and the elastic plastic membrane 3.

One-level drainage pipeline 2, inner core 5 and trapezoidal are made by metal material from reserve tank 1, and the outside of one-level drainage pipeline 2 is equipped with the external screw thread, is convenient for be connected with delivery pipe 8.

The elastic plastic membrane 3, G163D selected, G163D has flexibility, elasticity and mechanical strength similar to rubber, consisting of hard (crystalline) segments of polybutene-terephthalate and soft (amorphous) segments based on long chain polyether glycols.

The secondary drainage pipeline 7 is in a U-shaped or arc pipeline structure. The diameter of the secondary drainage pipeline 7 is smaller than that of the primary drainage pipeline 2.

The radius of the liquid seepage hole is 0.5-3 mm.

The secondary drainage pipeline 7 consists of a plastic pipe.

Drawings

Fig. 1 is a schematic diagram of a self-contained drip irrigation device.

Fig. 2 is a schematic diagram of an application embodiment of the present invention.

Fig. 3 is a schematic diagram of the water supply structure of the present invention.

In the figure: 1. the device comprises a trapezoid self-storage tank, 2 a first-stage drainage pipeline, 3 an elastic plastic membrane, 4 a liquid inlet hole, 5 an inner core, 6 a liquid discharge hole, 7 a second-stage drainage pipeline, 8 a water supply pipe, 9 a plastic pipeline, 10 a water source pipe.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and examples.

As shown in fig. 1, the self-storage and self-drip irrigation device for the agricultural greenhouse comprises a one-way pressure head, a primary drainage pipeline 2 and a secondary drainage pipeline 7; the one-way pressure head is arranged at the end part of the primary liquid discharge pipeline 2, the bottom of the primary liquid discharge pipeline 2 is arranged at the middle position of the secondary liquid discharge pipeline 7, and the secondary liquid discharge pipeline 7 is wrapped outside the transplanted soil foundation block; a plurality of liquid seepage holes are distributed on the secondary liquid drainage pipeline 7 and are contacted with the transplanted soil foundation block.

The radius of the liquid seepage hole is 0.5-3 mm.

Examples

As shown in fig. 2 and 3, when the soil foundation block is square and 350mm in length, two secondary drainage pipelines 7 of arc-shaped pipeline structures are selected, and the two secondary drainage pipelines 7 are symmetrically arranged in an up-and-down layered manner to effectively surround the soil foundation block.

The two secondary drainage pipelines 7 adopt the same water source pipe 10 for supplying water, and the water source pipe 10 is respectively communicated with a water supply pipe 8 through a plastic pipeline 9. The source pipe 10 may be water or nutrient water.

The water supply pipe 8 is matched with the external thread of the primary drainage pipeline 2 through the internal thread.

Under the continuous action of water pressure in the water source pipe 10, the elastic plastic membrane 3 deforms, and the radial communication holes communicate the trapezoid self-storage groove 1 with the inner core 5.

The water pressure in the source pipe 10 is equal to the pressure in the supply pipe 8, and is P_w；

The pressure in the primary drainage pipeline 2 is P_I；

The pressure in the secondary drainage line 7 is P_II；

When P is present_w≥P_I＞P_IIWhen the water is drained, the elastic plastic membrane 3 deforms, water entering the trapezoid self-storage tank 1 is dragged by the bottom surface of the trapezoid self-storage tank 1, the trapezoid self-storage tank 1 is a self-storage cavity and can continuously supply water to the secondary drainage pipeline 7, and self-drip irrigation is formed at a liquid seepage hole; by controlling P_wThe adjustment of the drip irrigation amount can be realized.

The above detailed description of the embodiments of the present invention is not intended to limit the present invention to the details of the embodiments, but the above examples are only provided to help understand the method and idea of the present invention. The utility model discloses an in the technical conception scope, can be right the technical scheme of the utility model carry out multiple simple deformation, these simple deformations all belong to the utility model discloses a protection scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims

1. The utility model provides an agricultural greenhouse is from deposit from driping irrigation device which characterized in that: the device comprises a one-way pressure head, a primary liquid discharge pipeline (2) and a secondary liquid discharge pipeline (7); the one-way pressure head is arranged at the end part of the primary liquid discharge pipeline (2), the bottom of the primary liquid discharge pipeline (2) is arranged at the middle position of the secondary liquid discharge pipeline (7), and the secondary liquid discharge pipeline (7) is wrapped outside the transplanted soil foundation block; a plurality of liquid seepage holes are distributed on the secondary liquid drainage pipeline (7), and the liquid seepage holes are contacted with the transplanted soil foundation block;

the one-way pressure head comprises a trapezoidal self-storage tank (1), an elastic plastic membrane (3), a liquid inlet hole (4), an inner core (5) and a liquid outlet hole (6); the section structure of the unidirectional pressure head is a trapezoidal structure, an elastic plastic diaphragm (3) is arranged in the middle of the unidirectional pressure head, and the elastic plastic diaphragm (3) divides the unidirectional pressure head into an outer cavity and an inner cavity; the outer cavity part is a trapezoidal self-storage tank (1), and the inner cavity part is an inner core (5); the elastic plastic membrane (3) is arranged at the bottom of the inner core (5), the liquid discharge hole (6) is arranged in the middle of the inner core (5), and a radial communicating hole is reserved between the elastic plastic membrane (3) and the inner core (5); the liquid inlet holes (4) are arranged on two sides of the trapezoidal self-storage tank (1).

2. The self-storing and self-drip irrigation device for the agricultural greenhouse according to claim 1, wherein: the inner core (5) is divided into two symmetrical parts AB along the axial direction, wherein the part A is 3-8mm longer than the part B, and a radial communicating hole is formed between the part B and the elastic plastic membrane (3).

3. The self-storing and self-drip irrigation device for the agricultural greenhouse according to claim 1, wherein: the one-level drainage pipeline (2), the inner core (5) and the trapezoid self-storage tank (1) are made of metal materials, and external threads are arranged outside the one-level drainage pipeline (2).

4. The self-storing and self-drip irrigation device for the agricultural greenhouse according to claim 1, wherein: the secondary drainage pipeline (7) is in a U-shaped or arc pipeline structure; the diameter of the secondary liquid discharge pipeline (7) is smaller than that of the primary liquid discharge pipeline (2).

5. The self-storing and self-drip irrigation device for the agricultural greenhouse according to claim 1, wherein: the radius of the liquid seepage hole is 0.5-3 mm.

6. The self-storing and self-drip irrigation device for the agricultural greenhouse according to claim 1, wherein: the secondary drainage pipeline (7) is a plastic pipe.