Farmland water-saving irrigation device

Abstract

The utility model discloses a farmland water-saving irrigation device, particularly relates to the technical field of water-saving irrigation, and comprises a soil layer, a cultivation layer is arranged above the soil layer, a filter plate is arranged above a gravel layer, a guide plate is arranged above the soil layer, a water collecting pipe is embedded in the gravel layer, and a water outlet pipe is arranged in the gravel layer. A water pump is arranged at the top of the cultivation layer, the other end of a connecting pipe is connected with a control valve, and a conveying pipe is installed on the inner wall of the water pump. According to the water-saving irrigation device for the farmland, the rainwater guide plate, the gravel layer and the collection holes are arranged, a rainwater collection system is combined with a drip irrigation or micro-irrigation technology, water can be directly conveyed to roots of plants, water evaporation and waste are reduced, and the irrigation efficiency is improved; meanwhile, the rainwater collecting system in the farmland water-saving irrigation device can guide rainwater to flow into the water storage facility, so that surface runoff is reduced, the farmland is prevented from being washed by the rainwater, soil erosion and water and soil loss are reduced, and the stability of a soil structure is kept.

Description

TECHNICAL FIELD

[0001] The utility model relates to water -saving irrigation technical field, concretely is a kind of farmland water-saving irrigation device. BACKGROUND

[0002] Water-saving irrigation obtains maximum yield or benefit with minimum water consumption, that is, maximum improvement of crop yield and output value per unit irrigation water, the main measures are: channel seepage prevention, low-pressure pipe irrigation, sprinkling irrigation, micro-irrigation and irrigation management system, which can achieve local precise irrigation, in addition to supplementing soil moisture to meet the needs of plant growth, fertilizer, pesticide can also be dissolved in water, combined with modern fertilization device such as fertilizer injection pump to carry out fertilization and pesticide application operation. Soil salinization can also be avoided, and for the soil that has appeared salinization, the soluble salt in the soil can be washed out by irrigation to improve the soil.

[0003] The existing farmland water-saving irrigation device usually focuses on efficient irrigation, without rainwater collection as one of the core functions, and most irrigation system designs are intended to maximize the use of groundwater or surface water, not rainwater, and many irrigation systems in farmland are arranged in a decentralized manner, lack centralized rainwater collection facilities, and cannot guide rainwater from the field or surrounding areas to water storage facilities, so rainwater often flows directly into drainage ditches or rivers, causing resource waste. Therefore, the existing farmland water-saving irrigation device cannot efficiently collect rainwater, and needs to be improved. SUMMARY

[0004] The utility model aims at providing a kind of farmland water-saving irrigation device to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of farmland water-saving irrigation device, including soil layer, the upper of soil layer is provided with cultivation layer, and the inside of soil layer is provided with gravel layer, the upper of gravel layer is installed with filter plate, the upper of soil layer is provided with flow guide plate, the inside of gravel layer is embedded with water collecting pipe, and the outer wall of water collecting pipe is connected with water storage pool, the top of cultivation layer is provided with water pump, and the inner wall of water pump is installed with connecting pipe, the other end of connecting pipe is connected with control valve, and the inner wall of control valve is connected with extraction pipe, the inner wall of water pump is installed with delivery pipe.

[0006] Preferably, the number of flow guide plates is two, and the two flow guide plates are symmetrically arranged with the median line of the filter plate as the axis of symmetry, and the included angle between the two flow guide plates and the filter plate is 5°.

[0007] Preferably, the outer wall of the water collecting pipe is provided with a plurality of collection holes, and the transverse sum of the diameters of the plurality of collection holes is less than the laying area of the gravel layer.

[0008] Preferably, the aperture size of the collection hole is smaller than the particle size of the gravel layer, and the diameter of the collection hole is 1 / 5 to 1 / 10 of the particle size of the gravel layer.

[0009] Preferably, the inner wall of the water storage tank is provided with a fixed frame, and the inner wall of the fixed frame is provided with a filter screen, the outer wall of the extraction pipe is sequentially arranged in the inside of the fixed frame through the cultivation layer and the soil layer, and the top of the cultivation layer is provided with a sealing cover.

[0010] Preferably, the outer wall of the conveying pipe is provided with a shunt pipe, and the inner wall of the shunt pipe is provided with a drip irrigation pipe, the number of the drip irrigation pipes is several, and the several drip irrigation pipes are equidistantly arranged on the inner wall of the shunt pipe.

[0011] Preferably, the inner wall of the drip irrigation pipe is provided with a sprayer, and the drip irrigation pipe is provided with several sprayers, and the several sprayers are alternately arranged.

[0012] Compared with the prior art, the device has the advantages that:

[0013] 1. The rainwater is guided to the filter plate by the rain guide plate, the sand layer and the collection hole, the rainwater is filtered by the filter plate, the sand layer and the collection hole, and then collected in the water storage tank, so that the drip irrigation device is used subsequently.

[0014] The rainwater collection system and the drip irrigation or micro-irrigation technology are combined, the water can be directly delivered to the plant roots, the water evaporation and waste are reduced, the irrigation efficiency is improved, the rainwater collection system in the device can guide the rainwater to flow into the water storage facility, reduce the surface runoff, prevent the rainwater from washing the farmland, reduce the soil erosion and water and soil loss, which helps to protect the fertility of the farmland, maintain the stability of the soil structure, and increase the practicability of the whole device. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the filling device of the utility model;

[0016] Figure 2 It is a connecting structure schematic view of the water storage tank and the water pump of the utility model;

[0017] Figure 3 It is a whole structure schematic view of the rainwater collection system of the utility model;

[0018] Figure 4 It is an internal structure schematic view of the drip irrigation device of the utility model.

[0019] In the figure: 1, soil layer; 2, cultivation layer; 3, sand layer; 4, filter plate; 5, flow guide plate; 6, water collecting pipe; 7, collection hole; 8, water storage tank; 9, fixed frame; 10, filter screen; 11, water pump; 12, connecting pipe; 13, control valve; 14, extraction pipe; 15, conveying pipe; 16, shunt pipe; 17, drip irrigation pipe; 18, sprinkler; 19, sealing cover. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0021] Please refer to Figures 1-3 The utility model provides a kind of technical scheme: a kind of farmland water-saving irrigation device, including soil layer 1, cultivation layer 2 is arranged on the upper side of soil layer 1, and sand layer 3 is arranged in the inside of soil layer 1, filter plate 4 is installed on the upper side of sand layer 3, flow guide plate 5 is arranged on the upper side of soil layer 1, the number of flow guide plate 5 is two, and two flow guide plates 5 are symmetrically arranged with the vertical line of filter plate 4 as axis of symmetry, the included angle between two flow guide plates 5 and filter plate 4 is 5 °, water flow entering filter plate 4 can be evenly distributed on both sides by symmetrically arranged flow guide plate 5, ensure that water flow is evenly treated on the whole filter plate 4, avoid that local water flow is too large to cause poor filtering effect, water collecting pipe 6 is embedded in the inside of sand layer 3, and water storage tank 8 is connected with the outer wall of water collecting pipe 6, collection hole 7 is formed in the outer wall of water collecting pipe 6, and the number of collection hole 7 is several, the transverse sum of diameter of several collection holes 7 is less than the laying area of sand layer 3, the design of being provided with multiple collection holes 7 can widely cover sand layer 3, ensure that large area rainwater can be effectively collected, improve the efficiency of rainwater collection, the aperture size of collection hole 7 is less than the particle size of sand layer 3, and the diameter of collection hole 7 is 1 / 5 to 1 / 10 of the particle size of sand layer 3, by setting the aperture of collection hole 7 to be much smaller than the particle size of sand, ensure that only clean rainwater can enter water collecting pipe 6, while sand and other large-particle impurities are effectively blocked outside, prevent pipeline blockage.

[0022] The embodiment is specifically: by being provided with rain flow guide plate 5, sand layer 3 and collection hole 7, rainwater is guided to filter plate 4 by flow guide plate 5, so that rainwater is filtered by filter plate 4, sand layer 3 and collection hole 7, and rainwater is collected into water storage tank 8, to facilitate subsequent use with drip irrigation device;

[0023] The rainwater collection system is combined with drip irrigation or micro-irrigation technology, water can be directly delivered to the plant roots, water evaporation and waste are reduced, irrigation efficiency is improved, and the rainwater collection system in the farmland water-saving irrigation device can reduce surface runoff, prevent rainwater from washing farmland, reduce soil erosion and water and soil loss, which helps to protect the fertility of farmland, maintain the stability of soil structure, and increase the practicability of the whole device.

[0024] Please refer to Figures 1-4 The utility model provides a technical scheme: a kind of farmland water-saving irrigation device, the top of cultivation layer 2 is provided with water pump 11, and the inner wall of water pump 11 is installed with connecting pipe 12, another end of connecting pipe 12 is connected with control valve 13, and the inner wall of control valve 13 is connected with extraction pipe 14, the inner wall of water reservoir 8 is installed with fixed frame 9, and the inner wall of fixed frame 9 is installed with filter screen 10, extraction pipe 14 outer wall is sequentially penetrated cultivation layer 2 with soil layer 1 and set in the inside of fixed frame 9, the top of cultivation layer 2 is penetrated and installed with sealing cover 19, by being set filter screen 10, further filter rainwater in water reservoir 8 when extracting, ensure that water quality is clean, suitable for irrigation. Multistage filtration design can effectively remove small particulate matter and impurities, protect subsequent irrigation system, the inner wall of water pump 11 is installed with delivery pipe 15, the outer wall of delivery pipe 15 is penetrated and installed with shunt pipe 16, and the inner wall of shunt pipe 16 is penetrated and installed with drip irrigation pipe 17, the quantity of drip irrigation pipe 17 is several, and several drip irrigation pipes 17 are equidistantly installed on the inner wall of shunt pipe 16, by being set drip irrigation pipe 17 equidistantly installed on shunt pipe 16, ensure that each crop can obtain uniform water supply, avoid the problem of uneven water quantity in traditional irrigation mode, the inner wall of drip irrigation pipe 17 is penetrated and installed with sprayer 18, and the sprayer 18 of the outer wall of drip irrigation pipe 17 has several, and several sprayers 18 are alternately arranged left and right, by being set sprayer 18 alternately arranged left and right, water can be ensured to be uniformly sprayed to each part of crop, avoid the problem of uneven water caused by unilateral spraying, promote the healthy growth of crop.

[0025] Working principle: when using the farmland water-saving irrigation device, first, sequentially bury water reservoir 8 in the bottom of each cultivation layer 2, then open sealing cover 19, so that the required irrigation water is filled into water reservoir 8, then sequentially start connecting pipe 12, at this time water pump 11 sequentially extracts water in water reservoir 8 through connecting pipe 12, control valve 13 and extraction pipe 14, so that water is filtered by filter screen 10 arranged in fixed frame 9 when extraction pipe 14 extracts, to complete the filtration of water.

[0026] At this time, the extracted water is transported to the shunt pipe 16 through the conveying pipe 15, so that the shunt pipe 16 stably transports the water flow to the cultivation layer 2 through the several drip irrigation pipes 17, and the several sprinklers 18 installed in cross with the drip irrigation pipes 17, so that each crop in the cultivation layer 2 is irrigated;

[0027] At the same time, when the rainy season comes and the farmland is raining, at this time, the rainwater is guided to the filter plate 4 through the guide plate 5 in turn, so that the rainwater blocks the larger particles such as leaves through the filter plate 4, so that the preliminarily filtered rainwater is secondarily filtered through the gravel layer 3, since the diameter of the collecting hole 7 opened on the outer wall of the water collecting pipe 6 is 1 / 5 to 1 / 10 of the particle size of the gravel layer 3, so that the particles in the gravel layer 3 are prevented from entering the water collecting pipe 6, so that the rainwater in the water collecting pipe 6 is transported to the water storage tank 8, so as to ensure the sufficiency of the water source in the water storage tank 8;

[0028] The rainwater collecting system is combined with the drip irrigation or micro-irrigation technology, so that the water can be directly transported to the plant roots, the water evaporation and waste are reduced, the irrigation efficiency is improved, and the rainwater collecting system in the farmland water-saving irrigation device can guide the rainwater to flow into the water storage facility, reduce the surface runoff, prevent the rainwater from washing the farmland, and reduce the soil erosion and water and soil loss.

[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A water saving irrigation device for agricultural fields comprising a soil layer (1), characterized in that: The upper part of the soil layer (1) is provided with a cultivation layer (2), and the inside of the soil layer (1) is provided with a gravel layer (3), the upper part of the gravel layer (3) is provided with a filter plate (4), the upper part of the soil layer (1) is provided with a guide plate (5), the inside of the gravel layer (3) is embedded with a water collecting pipe (6), and the outer wall of the water collecting pipe (6) is connected with a water storage tank (8), the top of the cultivation layer (2) is provided with a water pump (11), and the inner wall of the water pump (11) is provided with a connecting pipe (12), the other end of the connecting pipe (12) is connected with a control valve (13), the inner wall of the control valve (13) is connected with a suction pipe (14), and the inner wall of the water pump (11) is provided with a conveying pipe (15).

2. The water-saving irrigation device for farmland according to claim 1, characterized in that, The number of the guide plate (5) is two, and the two guide plates (5) are symmetrically arranged with the median line of the filter plate (4) as the axis of symmetry, and the included angle between the two guide plates (5) and the filter plate (4) is 5°.

3. The water-saving irrigation device for farmland according to claim 1, characterized in that, The outer wall of the water collecting pipe (6) is provided with a collecting hole (7), and the number of the collecting hole (7) is several, and the transverse sum of the diameters of the several collecting holes (7) is less than the laying area of the gravel layer (3).

4. The water-saving irrigation device for farmland according to claim 3, characterized in that, The aperture size of the collecting hole (7) is smaller than the particle size of the gravel layer (3), and the diameter of the collecting hole (7) is 1 / 5 to 1 / 10 of the particle size of the gravel layer (3).

5. The water-saving irrigation device for farmland according to claim 1, characterized in that, The inner wall of the water storage tank (8) is provided with a fixed frame (9), and the inner wall of the fixed frame (9) is provided with a filter screen (10), the outer wall of the suction pipe (14) is provided in the inside of the fixed frame (9) through the cultivation layer (2) and the soil layer (1), and the top of the cultivation layer (2) is provided with a sealing cover (19).

6. The water-saving irrigation device for farmland according to claim 1, characterized in that, The outer wall of the conveying pipe (15) is provided with a shunt pipe (16), and the inner wall of the shunt pipe (16) is provided with a drip irrigation pipe (17), the number of the drip irrigation pipe (17) is several, and the several drip irrigation pipes (17) are installed at equal intervals on the inner wall of the shunt pipe (16).

7. The water-saving irrigation device for farmland according to claim 6, characterized in that, The inner wall of the drip irrigation pipe (17) is provided with a sprayer (18), and the drip irrigation pipe (17) is provided with several sprayers (18), and the several sprayers (18) are alternately arranged.

Images