Blind ditch system for efficiently draining and storing water for greenhouse

Abstract

The invention relates to the technical field of drainage for greenhouses, in particular to an efficient drainage and water storage blind ditch system for a greenhouse. Comprising a foundation, drainage ditches, longitudinal drainage pipes and transverse drainage pipes, the drainage ditches are deeply dug in the foundation, the drainage ditches are distributed in the form that the center is high and the two ends are low, and the longitudinal drainage pipes and the transverse drainage pipes are placed in the drainage ditches and distributed in the form that the center is high and the two ends are low; according to the system, reasonable water retention can be achieved, especially in drought weather, positive water retention needs to be conducted, the water level during water drainage can be reasonably adjusted through the water drainage control pipe, dissolving and acting of water-soluble fertilizer are facilitated, gravel and silt can be effectively filtered out, and the cleanliness of drained water is guaranteed.

Description

Technical Field

[0001] The patent of this invention relates to the field of drainage technology for greenhouses, and in particular to a blind ditch system for efficient drainage and water storage in greenhouses. Background Art

[0002] Using blind ditches as underground drainage systems in greenhouse planting can effectively remove excess water from the soil and help maintain appropriate soil moisture, which is conducive to the healthy growth of crops. The setting of blind ditches can arrange the pipe network according to the outer contour of the underground project, determine the material selection of the blind ditch structure filter layer, and the minimum distance between the blind ditch and the foundation to ensure drainage effect and structural safety. There is no need to affect land planting like the usual water diversion ditches. At the same time, blind ditches can play a supporting role in the soil, prevent soil collapse and foundation settlement, and protect the structural stability of buildings and roads.

[0003] Chinese patent CN218667790U mentions a blind ditch drainage system for waste dumps, which can effectively prevent blind ditch blockage and facilitate waste water discharge. However, during use, poor drainage occurs and there is no water retention function. Therefore, it is necessary to develop a blind ditch system for greenhouses with efficient drainage and water storage. Summary of the invention

[0004] 1. Problems to be solved

[0005] It is mainly used to solve the problems of poor drainage and water retention in existing blind ditches, and to provide a blind ditch system with efficient drainage and water storage for greenhouses.

[0006] (II) Technical solution

[0007] The present invention discloses a blind ditch system for efficient drainage and water storage for greenhouses, comprising a foundation, a drainage ditch, a longitudinal drainage pipe, and a transverse drainage pipe. The drainage ditch is deeply dug inside the foundation, and is distributed in a form of being high in the center and low at both ends. The longitudinal drainage pipe and the transverse drainage pipe are respectively placed inside the drainage ditch, and are distributed in a form of being high in the center and low at both ends. A drainage channel is arranged around the foundation, a drainage outlet is opened at the bottom of the drainage channel, and a drainage control pipe is arranged on the drainage outlet.

[0008] As a preferred technical solution, the cross-section of the drainage ditch is rectangular, the width of which is greater than the diameters of the longitudinal drainage pipe and the transverse drainage pipe, and the depth of the drainage ditch is 0.8-1m.

[0009] As a preferred technical solution, the drainage ditch is divided into two layers, the drainage ditches in the lower layer are arranged in a longitudinal array at intervals of 30m, and are high in the middle and low at both ends according to the terrain. Horizontal drainage pipes are arranged in the lower drainage ditch, and the horizontal drainage pipes are also high in the middle and low at both ends.

[0010] As a preferred technical solution, the upper drainage ditch is arranged in a horizontal array with an interval of 3m, and is high in the middle and low at both ends according to the terrain. Longitudinal drainage pipes are arranged in the upper drainage ditch, and are also high in the middle and low at both ends.

[0011] As a preferred technical solution, the interval between the upper and lower layers of the drainage ditch is 5-10 cm.

[0012] As a preferred technical solution, a gravel layer is laid at the bottom of the lower drainage ditch with a thickness of 10-20 cm. A transverse drainage pipe is laid above the gravel layer. The transverse and longitudinal drainage pipes are wrapped with a first filter layer on all sides, and the first filter layer is wrapped with a second filter layer.

[0013] As a preferred technical solution, the material of the first filter layer is non-woven fabric, the material of the second filter layer is straw, and the materials of the longitudinal drainage pipe and the transverse drainage pipe are PP permeable blind pipes.

[0014] As a preferred technical solution, the depth of the drainage channel is 1-1.2m from the ground and 0.8m from the external land.

[0015] As a preferred technical solution, the length of the drainage control pipe is 0.8m.

[0016] (III) Beneficial effects

[0017] The beneficial effects of the present invention are:

[0018] 1. The blind ditch system is distributed according to the terrain, showing the characteristics of high center and low ends, which is conducive to the smooth outflow of water; further, the longitudinal drainage pipe of the blind ditch system is located above the transverse drainage pipe, and double drainage is performed to prevent the water to be discharged from the ground directly without passing through the blind ditch; further, in order to ensure smooth drainage, the blind ditch system adopts a criss-cross "tic-tac-toe" arrangement.

[0019] 2. This blind ditch system is equipped with a drainage control pipe, which can achieve reasonable water conservation. Especially in dry weather, active water conservation is required. The drainage control pipe can reasonably adjust the water level during drainage to facilitate the dissolution and action of water-soluble fertilizers.

[0020] 3. The drainage pipes used in this blind ditch system use PP blind pipes, which are composed of fibers of about 2mm in diameter, which are fused together to form a three-dimensional mesh body with a surface opening rate of up to 95% to 97% and a very high water absorption rate. Because of the three-dimensional structure, the porosity of the PP blind pipe is 80% to 95%. Even in the case of overload and pressure, the residual gap can reach more than 50%, ensuring continuous drainage performance.

[0021] 4. The drainage pipe used in this blind ditch system is wrapped with two layers of filter layers on the outside. The first layer is non-woven fabric, the second layer is straw, and gravel is laid on the outside, which can effectively filter gravel and sediment to ensure the cleanliness of drainage. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 is a schematic cross-sectional view of a drainage channel of the present invention;

[0024] Figure 2 is a transverse cross-sectional schematic diagram of the present invention;

[0025] Figure 3 is a longitudinal cross-sectional schematic diagram of the present invention;

[0026] Figure 4 It is a schematic diagram of the structure of the present invention;

[0027] Figure 5 It is a schematic diagram of the drainage pipe distribution of the present invention.

[0028] 1-foundation; 2-drainage channel; 3-horizontal drainage pipe; 4-longitudinal drainage pipe; 5-gravel layer; 6-drainage outlet; 7-drainage control pipe; 8-drainage ditch; 9-first filter layer; 10-second filter layer. DETAILED DESCRIPTION

[0029] The blind ditch system for efficient drainage and water storage for greenhouses of the present invention is further described in conjunction with the accompanying drawings.

[0030] As attached Figure 1-5 The present invention shows a blind ditch system for efficient drainage and water storage for greenhouses, including a foundation 1, a drainage ditch 8, a longitudinal drainage pipe 4, and a transverse drainage pipe 3. The drainage ditch 8 is deeply dug inside the foundation 1, and the drainage ditch 8 is distributed in a form of high center and low ends. The longitudinal drainage pipe 4 and the transverse drainage pipe 3 are respectively placed inside the drainage ditch 8, and are distributed in a form of high center and low ends. According to the terrain distribution, the drainage ditch 8 has the characteristics of high center and low ends, which is conducive to the smooth outflow of water. A drainage channel 2 is arranged around the foundation 1, and a drainage port 6 is provided at the bottom of the drainage channel 2. A drainage control pipe 7 is provided on the drainage port 6, and the drainage control pipe can realize reasonable water conservation. Active water conservation is particularly needed in dry weather, and the drainage control pipe can reasonably adjust the water level during drainage, which is convenient for the dissolution and function of water-soluble fertilizers. Furthermore, in order to achieve smooth drainage, this blind ditch system adopts a criss-cross "tic-tac-toe" arrangement.

[0031] Example 1

[0032] As attached Figure 1 As shown, further, the cross section of the drainage ditch 8 is rectangular, the width of which is larger than the diameters of the longitudinal drainage pipe 4 and the transverse drainage pipe 3, and the depth of the drainage ditch 8 is 0.8 m.

[0033] As attached Figure 2-3 and attached Figure 5 As shown, the drainage ditch 8 is further divided into two layers, the drainage ditch 8 of the lower layer is arranged in a longitudinal array at intervals of 30m, and is high in the middle and low at both ends according to the terrain, wherein the horizontal distance between the highest point and the lowest point is 50m, and the vertical distance is 20cm. A transverse drainage pipe 3 is arranged in the lower drainage ditch 8, and the transverse drainage pipe 3 is also high in the middle and low at both ends. The longitudinal drainage pipe 4 is located above the transverse drainage pipe 3, and double drainage is performed to prevent the water to be drained from directly seeping into the ground without passing through the blind ditch.

[0034] Furthermore, the upper drainage ditch 8 is arranged in a horizontal array at intervals of 3m, and is high in the middle and low at both ends according to the terrain. A longitudinal drainage pipe 4 is arranged in the upper drainage ditch 8, and the longitudinal drainage pipe 4 is also high in the middle and low at both ends. The horizontal distance between the highest point and the lowest point is 60m, and the vertical distance is 20cm.

[0035] Furthermore, the interval between the upper and lower layers of the drainage ditch 8 is 5 cm.

[0036] Furthermore, a gravel layer 5 is laid at the bottom of the lower drainage ditch, the gravel layer 5 is 20 cm thick, the transverse drainage pipe 3 is laid above the gravel layer 5, the transverse drainage pipe 3 and the longitudinal drainage pipe 4 are wrapped with a first filter layer 9, and the first filter layer 9 is wrapped with a second filter layer 10.

[0037] Furthermore, the first filter layer 9 is made of non-woven fabric, the second filter layer 10 is made of straw, and the longitudinal drainage pipe 4 and the transverse drainage pipe 3 are made of PP permeable blind pipes. The porosity of the PP blind pipe is 80% to 95%, and even in the case of overload, the residual porosity can reach more than 50%, ensuring continuous drainage performance.

[0038] Furthermore, the depth of the drainage channel 2 is 1-1.2 m from the ground and 0.8 m from the outside land.

[0039] Furthermore, the length of the drainage control pipe 7 is 0.8 m.

[0040] Example 2

[0041] As attached Figure 1 As shown, further, the cross section of the drainage ditch 8 is rectangular, the width of which is larger than the diameters of the longitudinal drainage pipe 4 and the transverse drainage pipe 3, and the depth of the drainage ditch 8 is 0.9 m.

[0042] As attached Figure 2-3 and attached Figure 5 As shown, the drainage ditch 8 is further divided into two layers, the drainage ditch 8 of the lower layer is arranged in a longitudinal array at intervals of 30m, and according to the terrain, the middle is high and the two ends are low. The lower drainage ditch 8 is arranged with a transverse drainage pipe 3, which is also high in the middle and low at both ends. The horizontal distance between the highest point and the lowest point is 50m, and the vertical distance is 20cm. The longitudinal drainage pipe 4 is located above the transverse drainage pipe 3, and double drainage is performed to prevent the drainage from directly seeping into the ground without passing through the blind ditch.

[0043] Furthermore, the upper drainage ditch 8 is arranged in a horizontal array at intervals of 3m, and is high in the middle and low at both ends according to the terrain. A longitudinal drainage pipe 4 is arranged in the upper drainage ditch 8, and the longitudinal drainage pipe 4 is also high in the middle and low at both ends. The horizontal distance between the highest point and the lowest point is 60m, and the vertical distance is 20cm.

[0044] Furthermore, the interval between the upper and lower layers of the drainage ditch 8 is 7 cm.

[0045] Furthermore, a gravel layer 5 is laid at the bottom of the lower drainage ditch, the gravel layer 5 is 10 cm thick, the transverse drainage pipe 3 is laid above the gravel layer 5, the transverse drainage pipe 3 and the longitudinal drainage pipe 4 are wrapped with a first filter layer 9, and the first filter layer 9 is wrapped with a second filter layer 10.

[0046] Furthermore, the first filter layer 9 is made of non-woven fabric, the second filter layer 10 is made of straw, and the longitudinal drainage pipe 4 and the transverse drainage pipe 3 are made of PP permeable blind pipes. The porosity of the PP blind pipe is 80% to 95%, and even in the case of overload, the residual porosity can reach more than 50%, ensuring continuous drainage performance.

[0047] Furthermore, the depth of the drainage channel 2 is 1-1.2 m from the ground and 0.8 m from the outside land.

[0048] Furthermore, the length of the drainage control pipe 7 is 0.8 m.

[0049] Example 3

[0050] As attached Figure 1 As shown, further, the cross section of the drainage ditch 8 is rectangular, the width of which is larger than the diameters of the longitudinal drainage pipe 4 and the transverse drainage pipe 3, and the depth of the drainage ditch 8 is 1 m.

[0051] As attached Figure 2-3 and attached Figure 5As shown, the drainage ditch 8 is further divided into two layers, the drainage ditch 8 of the lower layer is arranged in a longitudinal array at intervals of 30m, and according to the terrain, the middle is high and the two ends are low. The lower drainage ditch 8 is arranged with a transverse drainage pipe 3, which is also high in the middle and low at both ends. The horizontal distance between the highest point and the lowest point is 50m, and the vertical distance is 20cm. The longitudinal drainage pipe 4 is located above the transverse drainage pipe 3, and double drainage is performed to prevent the drainage from directly seeping into the ground without passing through the blind ditch.

[0052] Furthermore, the upper drainage ditch 8 is arranged in a horizontal array at intervals of 3m, and is high in the middle and low at both ends according to the terrain. A longitudinal drainage pipe 4 is arranged in the upper drainage ditch 8, and the longitudinal drainage pipe 4 is also high in the middle and low at both ends. The horizontal distance between the highest point and the lowest point is 60m, and the vertical distance is 20cm.

[0053] Furthermore, the interval between the upper and lower layers of the drainage ditch 8 is 10 cm.

[0054] Furthermore, a gravel layer 5 is laid at the bottom of the lower drainage ditch, the gravel layer 5 is 10 cm thick, the transverse drainage pipe 3 is laid above the gravel layer 5, the transverse drainage pipe 3 and the longitudinal drainage pipe 4 are wrapped with a first filter layer 9, and the first filter layer 9 is wrapped with a second filter layer 10.

[0055] Furthermore, the first filter layer 9 is made of non-woven fabric, the second filter layer 10 is made of straw, and the longitudinal drainage pipe 4 and the transverse drainage pipe 3 are made of PP permeable blind pipes. The porosity of the PP blind pipe is 80% to 95%, and even in the case of overload, the residual porosity can reach more than 50%, ensuring continuous drainage performance.

[0056] Furthermore, the depth of the drainage channel 2 is 1-1.2 m from the ground and 0.8 m from the outside land.

[0057] Furthermore, the length of the drainage control pipe 7 is 0.8 m.

[0058] The working principle of the present invention is as follows: the blind ditch drainage system in the present patent application is to set a drainage ditch between the foundations and set a gravel layer in the drainage ditch. In this way, on the one hand, the soil layer above the drainage ditch can be supported, and on the other hand, a flow channel can be formed between the gravel layers, thereby collecting the water of the foundation soil layer and discharging it outside the foundation soil layer along the ditch. At the same time, the blind ditch system is characterized by a high center and low ends according to the terrain distribution, which is conducive to the smooth outflow of water; further, the longitudinal drainage pipe of the blind ditch system is located above the transverse drainage pipe, and double drainage is performed to prevent the water to be drained from directly seeping into the ground without passing through the blind ditch; further, in order to ensure smooth drainage, the blind ditch system adopts a criss-cross "tic-tac-toe" arrangement, which can provide a larger flow and smoother flow channel. At the same time, the drainage pipe used in this patent is wrapped with two layers of filter layers on the outside, the first layer is non-woven fabric, the second layer is straw, and gravel is laid on the outside, which can effectively filter gravel and sediment to ensure the cleanliness of drainage. The system has a simple structure and is easy to use. It can effectively prevent blind ditch blockage and facilitate water discharge.

[0059] The embodiments described above are merely descriptions of preferred implementation modes of the present invention, and are not intended to limit the concept and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary personnel in the art should fall within the protection scope of the present invention. The technical contents for which protection is sought in the present invention have all been recorded in the claims.

Claims

1. A blind ditch system for efficient drainage and water storage in a greenhouse, comprising a foundation (1), a drainage ditch (8), a longitudinal drainage pipe (4), and a transverse drainage pipe (3), characterized in that: The drainage ditch (8) is deeply dug inside the foundation (1), and the drainage ditch (8) is distributed in a shape of being high in the center and low at both ends. The longitudinal drainage pipe (4) and the transverse drainage pipe (3) are respectively placed inside the drainage ditch (8), and are distributed in a shape of being high in the center and low at both ends. A drainage channel (2) is arranged around the foundation (1), and a drainage outlet (6) is opened at the bottom of the drainage channel (2), and a drainage control pipe (7) is arranged on the drainage outlet (6).

2. The blind ditch system for efficient drainage and water storage for greenhouses according to claim 1 is characterized by: The cross section of the drainage ditch (8) is rectangular, and its width is greater than the diameters of the longitudinal drainage pipe (4) and the transverse drainage pipe (3). The depth of the drainage ditch (8) is 0.8-1m.

3. The blind ditch system for efficient drainage and water storage for greenhouses according to claim 2 is characterized by: The drainage ditch (8) is divided into two layers, the drainage ditch (8) of the lower layer is arranged in a longitudinal array at intervals of 30m, and is high in the middle and low at both ends according to the terrain. A transverse drainage pipe (3) is arranged in the drainage ditch (8) of the lower layer, and the transverse drainage pipe (3) is also high in the middle and low at both ends.

4. The blind ditch system for efficient drainage and water storage for greenhouses according to claim 3 is characterized by: The drainage ditches (8) of the upper layer are arranged in a horizontal array at intervals of 3m, and are high in the middle and low at both ends according to the terrain. A longitudinal drainage pipe (4) is arranged in the drainage ditch (8) of the upper layer, and the longitudinal drainage pipe (4) is also high in the middle and low at both ends.

5. The blind ditch system for efficient drainage and water storage for greenhouses according to claim 3 is characterized by: The interval between the upper and lower layers of the drainage ditch (8) is 5-10 cm.

6. The blind ditch system for efficient drainage and water storage for greenhouses according to claim 3, characterized in that: A gravel layer (5) is laid at the bottom of the drainage ditch (8) at the lower layer, and the gravel layer (5) has a thickness of 10-20 cm. The transverse drainage pipe (3) is laid above the gravel layer (5). The transverse drainage pipe (3) and the longitudinal drainage pipe (4) are wrapped with a first filter layer (9) on all sides, and the first filter layer (9) is wrapped with a second filter layer (10).

7. The blind ditch system for efficient drainage and water storage for greenhouses according to claim 6, characterized in that: The material of the first filter layer (9) is non-woven fabric, the material of the second filter layer (10) is straw, and the materials of the longitudinal drainage pipe (4) and the transverse drainage pipe (3) are PP permeable blind pipes.

8. The blind ditch system for efficient drainage and water storage for greenhouses according to claim 1, characterized in that: The depth of the drainage channel (2) is 1-1.2 m lower than the ground, and 0.8 m lower than the external land.

9. The blind ditch system for efficient drainage and water storage for greenhouses according to claim 1, characterized in that: The drainage control pipe (7) is 0.8 m long.

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