CN209768156U - irrigation and drainage system for field in-situ ecological circulating water treatment - Google Patents
irrigation and drainage system for field in-situ ecological circulating water treatment Download PDFInfo
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- CN209768156U CN209768156U CN201920462292.9U CN201920462292U CN209768156U CN 209768156 U CN209768156 U CN 209768156U CN 201920462292 U CN201920462292 U CN 201920462292U CN 209768156 U CN209768156 U CN 209768156U
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Abstract
The utility model discloses a field in-situ ecological circulating water treatment irrigation and drainage system, which comprises a planting area, an underground physical purification area, an ecological interception I area, an ecological interception II area, an ecological interception III area, a biomembrane-ceramsite purification area, a clean water source storage area, a culture area and an irrigation system; the planting area is a slope, and the middle part is divided into an upper planting area and a lower planting area through an underground physical purification area; the ecological interception I area is a ditch laid along the slope bottom of the planting area, a water inlet at one end of the ecological interception I area is connected with an external water source, and the other end of the ecological interception I area is communicated with the ecological interception III area; the ecological interception II area is an outward inclined soil slope positioned at the other side of the ecological interception I area, and a water collecting channel is formed at the bottom and is communicated with the ecological interception III area; the clean water source storage area is positioned at one side of the planting area; the biomembrane-ceramsite purification zone is positioned between the ecological interception zone III and the clean water source storage zone; the irrigation system is communicated with the clean water source storage area and the planting area through a pipeline, and water in the clean water source storage area is irrigated in the planting area.
Description
Technical Field
The utility model belongs to fields such as farmland ecological cycle engineering, normal position non-point source pollution control, water resource high efficiency utilize and protection, concretely relates to drainage system is irritated in ecological circulating water treatment of field normal position.
Background
the heavy metal pollution of soil, water eutrophication and organic pollution in agricultural production in China are serious. There are areas where even no good soil is available for crop production. In order to solve the environmental problems, experts at home and abroad use a plurality of means for research, and gradually implement effective results to achieve certain effects. For example, the '4R' technology provided for farmland non-point source pollution obtains good remediation effect when being used in large-area agricultural non-point source pollution areas. And is advancing on a large scale throughout the country. Because the technology uses an ecological means, the treatment time is long, and the effect cannot be quickly realized aiming at areas with serious pollution degree. In other places, plant engineering and microorganisms are used for prevention and treatment, and certain effects are achieved. Although the traditional soil dressing and soil replacement can solve the problem of polluted soil to a great extent, the traditional soil dressing and soil replacement is not suitable under the condition that pollution-free soil resources available in China are less and less. And the expensive cost is also high for the means of leaching and distilling the heavy metal contaminated soil. A great deal of research is also carried out on in-situ water and soil pollution treatment, such as the utilization of some modifying agents, special fertilizers, microorganisms and the like, but the treatment effects of various means are different, and particularly, effective and simple methods are difficult to solve for different soil types and geographic positions. However, most measures do not consider the treatment and utilization of local polluted underground water, which causes the recurrence of the later pollution phenomenon. Underground water pollution detection and treatment are not slow.
At present, farmland non-point source pollution treatment is mainly concentrated in large-scale planting areas, and no corresponding complete ecological recycling treatment system exists for small-scale agricultural production bases. Especially for the facility agriculture generation area, soil problems such as salt accumulation, nutrient loss and heavy metal pollution are generated for a long time, meanwhile, agricultural wastes can not be reasonably utilized, and the measures for treating and preventing the problems can not be organically combined, so that not only is the resource waste caused, but also the treatment cost is higher. But also the soil problem cannot be fundamentally utilized.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to prior art not enough, provide a system of draining of irritating that effectively administers non-point source pollution, heavy metal pollution, organic matter pollution among the agricultural production, realize the high-efficient purification treatment and the cyclic utilization of field normal position water.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a field in-situ ecological circulating water treatment irrigation and drainage system comprises a planting area, an underground physical purification area, an ecological interception I area, an ecological interception II area, an ecological interception III area, a biomembrane-ceramsite purification area, a clean water source storage area, a culture area and an irrigation system;
Wherein, the planting area is a slope with the gradient of 0.2-0.4, and the middle part is divided into an upper planting area and a lower planting area by an underground physical purification area; the upper planting area is enclosed by ridges, and the lower planting area is enclosed by an underground physical purification area;
The ecological interception I area is a ditch laid along the slope bottom of the planting area, a water inlet at one end of the ecological interception I area is connected with an external water source, and the other end of the ecological interception I area is communicated with the ecological interception III area through a first reserved opening on the side surface of the ecological interception III area, so that the external water source is introduced into the ecological interception III area;
The ecological interception II area is an outward inclined soil slope positioned at the other side of the ecological interception I area, a water collecting channel is formed at the bottom of the ecological interception II area, the end part of the ecological interception II area is communicated with the ecological interception III area through a second reserved opening on the side surface of the ecological interception III area, and water in the water collecting channel is introduced into the ecological interception III area;
The clean water source storage area is positioned at one side of the planting area and used for storing clean irrigation water sources, and a ceiling is arranged above the clean water source storage area and used for isolating external pollutants;
the biomembrane-ceramsite purification zone is positioned between the ecological interception zone III and the clean water source storage zone; the ecological interception III area introduces water in the ecological interception III area into the biomembrane-ceramsite purification area for further treatment through a first rolling dam on one side, and then enters the clean water source storage area for storage through a second rolling dam on one side of the biomembrane-ceramsite purification area;
The culture area is close to the clean water source storage area and the planting area and is used for culturing microorganisms and aquatic plants;
the irrigation system is communicated with the clean water source storage area and the planting area through a pipeline, and water in the clean water source storage area is irrigated in the planting area.
Specifically, the upper planting area and the lower planting area are respectively divided into a plurality of planting fields by straw ridges; the straw ridge is formed by mixing crop straws and soil.
The underground physical purification area consists of an upper soil layer, a middle filter layer and a bottom purification layer; the thickness of the upper soil layer is 20-40 cm; the middle filter layer is formed by mixing soil, stones and fine sand, and the thickness of the middle filter layer is not less than 40 cm; the bottom purification layer is formed by mixing soil, cobblestones, biomass powder and ceramic particles, and the thickness of the bottom purification layer is not less than 40 cm.
The depth of the ecological interception I area is not more than 0.5m, the bottom of the ecological interception I area is 0.5-0.1m higher than that of the ecological interception III area, aquatic purification plants are planted in the ditch, and small aquatic animals are cultured.
Aquatic crops are planted on the slope surface of the ecological interception area II.
the depth of the ecological interception III area is not more than 1.0m, the bottom of the ecological interception III area is provided with a zeolite-cobble layer, the thickness of the layer is not more than half of the depth of the ecological interception III area, and purified phytoplankton is planted in the ecological interception III area.
The depth of the biomembrane-ceramsite purification zone is not more than 0.5m, the depth of the ceramsite layer at the bottom is not more than 0.4cm, and microorganisms in a local water source are added to form a biomembrane.
the depth of the clean water source storage area is 0.5-2m, a water diversion platform is arranged on one side of the clean water source storage area adjacent to the planting area, and a tap water replenishing pipeline is arranged on the other side of the clean water source storage area.
The irrigation system comprises a water pump, a main water delivery pipeline and field branch pipes, wherein the water pump is positioned on the water diversion platform, the main water delivery pipeline is paved between the upper planting area and the lower planting area, and the water in the clean water source storage area is pumped to various planting fields through the field branch pipes for irrigation.
Has the advantages that:
the utility model discloses a moisture of ecological purification and seepage flow of multi-level, multiple process, many spaces, water after the purification recycles in the crop production, can both gain certain economy and ecological benefit in different ecological purification districts simultaneously, has reduced the loss of soil nutrient, make full use of crop straw, can not only reduce the evaporation of water, can also form organic substance through the maturity in certain period and directly be used for planting the district. Consequently the utility model discloses the ecological hydrologic cycle function in realization farmland that can be fine can also create economic value, reduces the running cost, reduces crop growth obstacle, the utilization discarded object.
drawings
These and/or other advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings and the following detailed description.
Fig. 1 is a schematic view of the overall structure of the irrigation and drainage system.
fig. 2 is an irrigation schematic diagram of the irrigation and drainage system.
Fig. 3 is a cloth layer diagram of the underground physical purification area of the irrigation and drainage system.
Fig. 4 is a water circulation storage schematic diagram of the irrigation and drainage system.
Detailed Description
The invention will be better understood from the following examples.
The drawings in the specification show the structure, ratio, size, etc. only for the purpose of matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and not for the purpose of limiting the present invention, so the present invention does not have the essential meaning in the art, and any structure modification, ratio relationship change or size adjustment should still fall within the scope covered by the technical content disclosed in the present invention without affecting the function and achievable purpose of the present invention. Meanwhile, the terms "upper", "lower", "front", "rear", "middle", and the like used in the present specification are for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.
As shown in figure 1, the irrigation and drainage system comprises a planting area 1, an underground physical purification area 2, an ecological interception I area 3, an ecological interception II area 4, an ecological interception III area 5, a biomembrane-ceramsite purification area 6, a clean water source storage area 7, a culture area 8 and an irrigation system 9.
The planting area 1 is a slope with the gradient of 0.3, and the middle part is divided into an upper planting area 101 and a lower planting area 102 by an underground physical purification area 2; the upper planting area 101 is enclosed by ridges 13, and the lower planting area 102 is enclosed by an underground physical purification area 2; the upper planting area 101 and the lower planting area 102 are divided into a plurality of planting fields by straw ridge 14.
the underground physical purification area 2 consists of an upper soil layer 21, a middle filter layer 22 and a bottom purification layer 23; the thickness of the upper soil layer 21 is 30 cm; the middle filtering layer 22 is formed by mixing soil, stone blocks and fine sand, and the thickness is 40 cm; the bottom purification layer 23 is formed by mixing soil, cobblestones, biomass powder and ceramic particles, and the thickness is 40 cm.
The ecological interception I area 3 is a ditch laid along the slope bottom of the planting area 1, a water inlet 31 at one end of the ecological interception I area is connected with an external water source, and the other end of the ecological interception I area is communicated with the ecological interception III area 5 through a first reserved opening 51 on the side surface of the ecological interception III area 5, so that the external water source is introduced into the ecological interception III area 5. The depth of the ecological interception I area 3 is 0.5m, the bottom of the ecological interception I area is 5 about 0.3m higher than that of the ecological interception III area, aquatic purification plants are planted in the ditch, and small aquatic animals are cultured.
Ecological interception II district 4 is for lieing in the opposite side soil slope that inclines out of ecological interception I district 3, and domatic planting has aquatic crops, and the bottom forms the catchment canal, and the tip is linked together with ecological interception III district 5 through the second reservation mouth 52 of the III district 5 sides of ecological interception, introduces the water in the catchment canal in the III district 5 of ecological interception.
the depth of the ecological interception III area 5 is 1.0m, a zeolite-cobble layer is arranged at the bottom, the layer thickness is not more than half of the depth of the ecological interception III area, and purified phytoplankton is planted in the ecological interception III area.
The clean water source storage area 7 is located one side of planting district 1, and the degree of depth is 1m, and its one side adjacent with planting district 1 is equipped with diversion platform 10, and the opposite side is provided with running water moisturizing pipeline 11. The clean water source storage area 7 is used for storing clean irrigation water sources, and a ceiling is arranged above the clean water source storage area to isolate external pollutants.
The biomembrane-ceramsite purification zone 6 is positioned between the ecological interception III zone 5 and the clean water source storage zone 7; the ecological interception III area 5 introduces water in the ecological interception III area 5 into the biomembrane-ceramsite purification area 6 for further treatment through a first rolling dam 53 on one side, and then enters the clean water source storage area 7 for storage through a second rolling dam 61 on one side of the biomembrane-ceramsite purification area 6. The depth of the biomembrane-ceramsite purification zone 6 is 0.5m, the ceramsite layer at the bottom is not more than 0.4cm, and the biomembrane is formed by adding microorganisms in a local water source.
The culture area 8 is adjacent to the clean water source storage area 7 and the planting area 1 and is used for culturing microorganisms and aquatic plants.
The irrigation system 9 is communicated with the clean water source storage area 7 and the planting area 1 through a pipeline, and water in the clean water source storage area 7 is irrigated in the planting area 1. The irrigation system 9 comprises a water pump 91, a main water delivery pipeline 92 and a field branch pipe 93, wherein the water pump 91 is positioned on the water diversion platform 10, the main water delivery pipeline 92 is paved between an upper planting area 101 and a lower planting area 102, and water in the clean water source storage area 7 is pumped to various planting fields through the field branch pipe 93 for irrigation.
The irrigation and drainage system construction process comprises the following steps:
(1) Hard region construction
The utility model discloses at first carry out the scleroid construction to III districts of ecological interception 5, biomembrane-haydite clean area 6, clean water source storage area 7, cultivation district 8 in the work progress.
two independent sides of the ecological interception III area 5 are provided with impermeable layers, and the other side is communicated with the biomembrane-ceramsite purification area 6 through a first rolling dam 51. Performing anti-seepage hardening treatment on the periphery, arranging a zeolite-cobble layer inside the zone, wherein the layer thickness is not more than half of the depth of the zone, and planting and purifying phytoplankton.
The biomembrane-ceramsite purification zone 6 is separated from the ecological interception III zone 5 and the clean water source storage zone 7, the ceramsite layer at the bottom is not more than 0.4cm, and microorganisms in the local water source are added to form a biomembrane.
The wall around the clean water source storage area 7 is provided with an impermeable layer, one side shared by the biomembrane-ceramsite purification area 6 is provided with a second rolling dam 61, one side adjacent to the planting area is provided with a water diversion platform 10, and the opposite side is provided with a tap water replenishing pipeline 11.
(2) Underground physical purification area construction
Consists of an upper soil layer, middle soil, stones, fine sand, lower soil, cobblestones, biomass powder and ceramsite. The soil layer has the thickness of 20-40cm, the thickness of the soil, the stone and the fine sand layer is not less than 40cm, the thickness of the soil, the cobblestone, the biomass powder and the ceramsite layer is not less than 40cm, and the effect is good.
(3) Irrigation system arrangement
The irrigation system comprises a water pump, a main water delivery pipeline and a field branch water intake, wherein the water pump is placed on a drinking water table. A main water delivery pipeline is laid in the construction process of the underground physical purification area, and an anti-aging and anti-pressure plastic pipe with the pipe diameter not less than 50cm is selected. The pipe diameter of the field water intake pipeline is smaller than that of the main pipeline, and the field water intake pipeline is provided with a control valve and used as a water intake of each field.
(4) Construction of planting areas
the land leveling is mainly carried out according to the conditions that the optimal gradient is 0.2-0.4 and the optimal inclination angle is 10-30 degrees, each planting area on the high-terrain side of the planting area is formed by enclosing ridges of soil, ridges of straws and a physical purification layer, each planting area on the low-terrain side is only isolated by ridges of straws, and the rest peripheries are enclosed by physical evolution layers. Straw ridges are arranged between the planting area blocks, the thickness of the straw ridges is set according to the biomass of the planting area, and the thickness of the straw ridges is generally not less than 5 cm. The ridge is formed by mixing crushed crop stubbles or straws with soil and adding beneficial microorganisms EM for in-situ fermentation.
(4) Ecological I area and ecological II area of intercepting
The ecological interception I area is a soil ditch dug on original soil, the depth is less than 0.5m, the bottom is 0.5-0.1m higher than the ecological interception III area, and a ridge with the width of at least 40cm is arranged between the ecological interception I area and the underground physical purification area. Planting aquatic purifying plants with economic value and culturing small aquatic animals, and forming a biological film from organisms by using the local periphery; meanwhile, one end of the ecological intercepting device is connected with an external water source, and the other end of the ecological intercepting device is directly communicated with the ecological intercepting III area.
the ecological interception II area is an inclined soil slope, the width of the ecological interception II area is not less than 1m, plants with a purification function are planted on the slope, a water collecting channel is formed at the bottom of the ecological interception II area and is communicated with the ecological interception III area, water in the water collecting channel is introduced into the ecological interception III area, and seepage-proofing treatment should be carried out on one side of the ecological interception II area, which is far away from the ecological interception I area.
The water treatment circulating purification process of the irrigation and drainage system comprises the following steps:
Irrigating in the growth process of crops, and allowing the infiltration water to enter an underground physical purification area to prevent nutrient loss. When the underground water level rises, the water also passes through the underground physical purification area, biomass charcoal, ceramsite and the like absorb and block the accumulation of salt, and meanwhile, the intercepted nutrients are provided for crops as required, so that the nutrient management for the growth of the crops is required to be carried out according to the local actual conditions, the nutrient management cannot be applied too much, and the condition that the nutrients of the previous crop are intercepted can be considered in the growth process of the next crop to carry out the application for losing weight.
The water flows into an ecological interception I area and an ecological interception II area in the downward osmosis process, is further absorbed and purified by plants and biological membranes, and flows into an ecological interception III area, and pollutants or surplus nutrients in the water are further absorbed by microorganisms generated around phytoplankton, zeolite and soft goose stones. Meanwhile, the area can reduce the water flow speed, prolong the absorption and purification time, slowly enter a biomembrane-ceramsite purification area to be further purified, finally enter a clean water source storage area, can be recycled and reused for irrigation, and realizes the water treatment and cyclic utilization of the area.
All the used biological membranes and plants can be cultured by the peripheral organisms, the seedlings of the plants and the like in the culture area in advance, so that the cost is reduced, and the construction and the later-stage water treatment are convenient.
The utility model discloses non-point source pollution, heavy metal pollution, organic matter pollution etc. to among the agricultural production all have certain effect. Especially for heavily polluted areas, the purification can be primarily realized after one year, and green and pollution-free agricultural products can be produced in the next year. Simultaneously the utility model discloses can gain many-sided economic value, reduce cost realizes certain economic income.
The utility model provides a thought and method of arranging system are irritated in field normal position ecological cycle water treatment, the method and the way that specifically realize this technical scheme are many, above only the utility model discloses a preferred embodiment should point out, to the ordinary technical personnel of this technical field, not deviating from the utility model discloses under the prerequisite of principle, can also make a plurality of improvements and moist decorations, these improvements should also be regarded as with moist decorations the utility model discloses a protection scope. All the components not specified in the present embodiment can be realized by the prior art.
Claims (9)
1. A field in-situ ecological circulating water treatment irrigation and drainage system is characterized by comprising a planting area (1), an underground physical purification area (2), an ecological interception I area (3), an ecological interception II area (4), an ecological interception III area (5), a biomembrane-ceramsite purification area (6), a clean water source storage area (7), a culture area (8) and an irrigation system (9);
wherein the planting area (1) is a slope with the gradient of 0.2-0.4, and the middle part is divided into an upper planting area (101) and a lower planting area (102) by an underground physical purification area (2); the upper planting area (101) is enclosed by ridges (13), and the lower planting area (102) is enclosed by an underground physical purification area (2);
The ecological interception I area (3) is a ditch laid along the slope bottom of the planting area (1), a water inlet (31) at one end of the ecological interception I area is connected with an external water source, and the other end of the ecological interception I area is communicated with the ecological interception III area (5) through a first reserved opening (51) on the side surface of the ecological interception III area (5), so that the external water source is introduced into the ecological interception III area (5);
The ecological interception II area (4) is an outward inclined soil slope positioned at the other side of the ecological interception I area (3), a water collecting channel is formed at the bottom of the ecological interception II area, the end part of the ecological interception II area is communicated with the ecological interception III area (5) through a second reserved opening (52) on the side surface of the ecological interception III area (5), and water in the water collecting channel is introduced into the ecological interception III area (5);
the clean water source storage area (7) is positioned at one side of the planting area (1) and is used for storing clean irrigation water sources, and a ceiling is arranged above the clean water source storage area to isolate external pollutants;
The biomembrane-ceramsite purification area (6) is positioned between the ecological interception III area (5) and the clean water source storage area (7); the ecological interception III area (5) introduces water in the ecological interception III area (5) into a biomembrane-ceramsite purification area (6) for further treatment through a first rolling dam (53) on one side, and then enters a clean water source storage area (7) for storage through a second rolling dam (61) on one side of the biomembrane-ceramsite purification area (6);
The culture area (8) is close to the clean water source storage area (7) and the planting area (1) and is used for culturing microorganisms and aquatic plants;
The irrigation system (9) is communicated with the clean water source storage area (7) and the planting area (1) through a pipeline, and water in the clean water source storage area (7) is irrigated in the planting area (1).
2. The system for the field in-situ ecological cycle water treatment, irrigation and drainage according to claim 1, wherein the upper planting area (101) and the lower planting area (102) are respectively divided into a plurality of planting fields by straw ridges (14); the straw ridge is formed by mixing crop straws and soil.
3. The system for the field in-situ ecological cycle water treatment and irrigation and drainage as claimed in claim 1, wherein the underground physical purification area (2) is composed of an upper soil layer (21), a middle filter layer (22) and a bottom purification layer (23); the thickness of the upper soil layer (21) is 20-40 cm; the middle filtering layer (22) is formed by mixing soil, stone blocks and fine sand, and the thickness is not less than 40 cm; the bottom purification layer (23) is formed by mixing soil, cobblestones, biomass powder and ceramic particles, and the thickness of the bottom purification layer is not less than 40 cm.
4. The system for treating, irrigating and discharging field in-situ ecological circulating water according to claim 1, wherein the depth of the ecological interception I area (3) is not more than 0.5m, the bottom of the ecological interception I area is 0.5-0.1m higher than that of the ecological interception III area (5), aquatic purification plants are planted in the ditch, and small aquatic animals are cultured.
5. The system for the field in-situ ecological cycle water treatment, irrigation and drainage according to claim 1, characterized in that aquatic crops are planted on the slope of the ecological interception II area (4).
6. The system for the field in-situ ecological circulating water treatment irrigation and drainage as claimed in claim 1, wherein the depth of the ecological interception III area (5) is not more than 1.0m, a zeolite-cobble layer is arranged at the bottom, the layer thickness is not more than half of the depth of the ecological interception III area, and purified phytoplankton is planted in the zeolite-cobble layer.
7. The system for the field in-situ ecological cycle water treatment, irrigation and drainage as claimed in claim 1, wherein the depth of the biofilm-ceramsite purification zone (6) is not more than 0.5m, the depth of the bottom ceramsite layer is not more than 0.4cm, and microorganisms added into a local water source form a biofilm.
8. The system for the field in-situ ecological circulating water treatment, irrigation and drainage according to claim 1, characterized in that the depth of the clean water source storage area (7) is 0.5-2m, a water diversion platform (10) is arranged on one side adjacent to the planting area (1), and a tap water replenishing pipeline (11) is arranged on the other side.
9. The system for treating, irrigating and discharging field in-situ ecological circulating water according to claim 8, wherein the irrigation system (9) comprises a water pump (91), a main water delivery pipeline (92) and field branch pipes (93), the water pump (91) is positioned on the water guide platform (10), the main water delivery pipeline (92) is laid between the upper planting area (101) and the lower planting area (102), and the field branch pipes (93) are used for pumping water in the clean water source storage area (7) to the planting field for irrigation.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109874442A (en) * | 2019-04-08 | 2019-06-14 | 金陵科技学院 | A kind of field original position ecological circulation water process irrigation and drainage system with functions |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109874442A (en) * | 2019-04-08 | 2019-06-14 | 金陵科技学院 | A kind of field original position ecological circulation water process irrigation and drainage system with functions |
| CN109874442B (en) * | 2019-04-08 | 2024-03-29 | 金陵科技学院 | Irrigation and drainage system for field in-situ ecological circulating water treatment |
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