Water resource recycling method for arid region
The invention relates to the technical field of water resource recovery, in particular to a method for recycling water resources in arid regions.
Background
Arid areas are areas where the climate is dry, the precipitation is rare, the evaporation capacity is large, water resources are deficient, and the ecological environment is fragile. Arid regions are generally defined by annual precipitation of less than 250 mm and dryness (the ratio of potential evaporation to precipitation) of greater than 4, where desert is a typical ecosystem type for arid regions, which have been greatly developed by countries due to the abundance of minerals, solar energy, wind energy, etc. they contain.
The traditional arid region water resource recycling mostly adopts the rain collector to collect and filter the rainwater and adopts the mode of drip irrigation or groundwater combination to develop arid region planting industry, although play water conservation and water resource recycling's effect, but the rain collector is limited to the recovery scope of rainwater, permeates the rainwater in the sand and does not effectively carry out recycle after evaporating, in addition does not carry out recycle with the air that contains moisture that produces when plant transpiration yet, causes the waste of water resource.
Disclosure of Invention
The invention mainly provides a method for recycling water resources in arid regions, which can solve the problem of water resource waste in arid regions, which is proposed by the background technology.
In order to achieve the purpose, the invention provides the following technical scheme that the method for recycling the water resources in the arid region comprises the following steps:
s1, selecting and laying, namely selecting a position, carrying out reservoir excavation operation for storing water, and simultaneously laying underground pipelines and installing a greenhouse;
S2, installing and butting, namely installing a rainwater water collecting tank at the top of the greenhouse and connecting the rainwater water collecting tank with a water reservoir through a pipeline, simultaneously installing a fan and a condenser tube outside and inside the greenhouse and connecting the fan and the condenser tube with the pipeline, and simultaneously installing a solar panel;
S3, planting, namely planting desert plants in a greenhouse;
s4, working, namely generating electricity by a solar panel and accumulating energy for a storage battery in daytime, collecting water in a rainwater collecting tank and filtering in rainy days, blowing air carrying moisture into a condensing pipe by a fan at night, and reducing the temperature of the air to enable water vapor in the air to condense and separate out;
s5, refluxing, namely arranging a permeable layer at the bottom of the planted desert plant, recovering excessive irrigation water and refluxing the excessive irrigation water into a reservoir through a pipeline;
S6, maintenance, namely periodically maintaining by staff.
Furthermore, the S1 reservoir is positioned underground, and the top of the reservoir is provided with a sand prevention cover.
Still further, the one end of rainwater water catch bowl bottom in S2 is connected with rainwater pipeline, and rainwater pipeline and ground junction are provided with filter equipment, are provided with the filter screen in the filter equipment, and the rainwater that filters is got into the pipeline that is located underground through the water outlet and is flowed into the cistern department and retrieve.
Furthermore, the solar panel is arranged on the roof of the greenhouse, the storage battery is arranged in an independent room in the greenhouse, and a charging controller is arranged between the solar panel and the storage battery.
Furthermore, the desert plant in the step S3 is sea buckthorn.
Still further, S4 air fan is installed through the installing support, and wherein the installing support is located condenser pipe opening part, makes fan air outlet and condenser pipe opening align, and installing support one side is provided with the gas collecting channel, and the gas collecting channel is connected with condenser pipe opening, for preventing air leakage, carries out sealing treatment in gas collecting channel and condenser pipe open-ended junction, and fan air intake department all is provided with the dust screen.
Furthermore, the sealing treatment is to smear sealing glue or set a rubber sealing ring at the joint of the gas collecting hood and the opening of the condenser pipe.
Still further, the permeable layer in S5 includes sandy soil layer, filter layer, drainage board, header tank, and wherein drainage board surface is provided with a plurality of holes of permeating water and drainage board and is located the top of header tank inner wall, and the header tank bottom is provided with the back flow and dock with the pipeline.
Furthermore, the desert plants described in S3 are planted on the surface of the sandy soil layer.
The method for recycling water resources in arid areas has the beneficial effects that:
The water-containing air generated during the transpiration of the sea buckthorn crops planted in the greenhouse and the outside sand are recycled through direct solar irradiation in the daytime, so that the problem of water resource shortage in arid areas can be effectively relieved, the agricultural development in arid areas can be supported, the economic development in arid areas is promoted, meanwhile, the greenhouse can be used as a barrier for blocking the sand, the sand damage is reduced, in addition, the excessive collection of wild sea buckthorn is effectively reduced due to artificial planting of sea buckthorn, and the ecological balance is protected.
Drawings
The invention will be described in further detail with reference to the accompanying drawings and detailed description.
FIG. 1 is a schematic flow chart of a method for recycling water resources in arid regions.
Detailed Description
In order to make the technical scheme of the invention clearer, the invention is further described in detail below with reference to the attached drawings and specific embodiments.
Example 1
As shown in fig. 1, according to one aspect of the present invention, there is provided a method for recycling water resources in arid regions, comprising the steps of:
Selecting a position and paving, namely selecting the position and performing reservoir excavation operation for storing water, paving an underground pipeline and installing a greenhouse at the same time, wherein the reservoir is positioned underground, the top of the reservoir is provided with a sand prevention cover, the sand prevention cover can reduce evaporation loss of water in the reservoir, meanwhile, the reservoir is prevented from being polluted by dust in windy weather, if emergency such as emergency water is faced, the reservoir can be opened by grasping a handle of the sand prevention cover, meanwhile, the greenhouse can be used as a barrier for blocking windy sand due to windy sand in arid areas, and the damage of windy sand is reduced.
And 2, installing and butting, namely installing a rainwater collecting tank at the top of a greenhouse and connecting the rainwater collecting tank with a reservoir through a pipeline, installing a fan and a condenser tube outside and inside the greenhouse and connecting the rainwater collecting tank with the pipeline, and installing a solar panel at the same time, wherein one end of the bottom of the rainwater collecting tank is connected with a rainwater conveying pipeline, rainwater falling on a roof can be collected and conveyed to the rainwater conveying pipeline in rainy days, a filtering device is arranged at the joint of the rainwater conveying pipeline and the ground, a filter screen is arranged in the filtering device, sand particles, dead leaves and the like carried in the rainwater entering the filtering device are filtered, so that the rainwater is cleaner, the filtered rainwater enters the underground pipeline through a water outlet and flows into the reservoir for recovery, the solar panel is installed on the roof of the greenhouse for supplying power for the fan, an electric lamp, a water pump and the like, the storage battery is placed in an independent room in the greenhouse, and the solar panel cannot generate power at night or in overcast days, the storage battery can store redundant electric energy generated when the solar panel is sufficient in illumination, so that the power is supplied for equipment, the continuity and stability of the power supply are ensured, a charging controller is arranged between the solar panel and the storage battery, the storage battery is limited in current and stable voltage, the storage battery is charged properly, the charging parameters are prolonged, and the charging life of the storage battery is prolonged, and the storage battery is prevented from being damaged.
And 3, planting desert plants in a greenhouse, wherein the desert plants are sea buckthorn, the sea buckthorn fruits have high nutritional value and medicinal value, are rich in various nutritional ingredients such as vitamin C, vitamin E, carotenoid, amino acid, fatty acid and the like, can be processed into various products such as fruit juice, fruit wine, jam, health products, medicines and the like, have high economic value, can bring economic income to local residents, promote economic development in arid areas, effectively reduce excessive collection of wild sea buckthorn, provide food and habitat for birds and small mammals, help to increase biodiversity, and promote balance and stability of an ecological system.
The solar panel generates electricity and stores energy for the storage battery in daytime, the rainwater collecting tank collects water and filters the water in rainy days, the fan blows air carrying moisture into the condensing tube at night, the ambient temperature generally drops at night, the plant transpiration effect is weakened, but a certain amount of water vapor generated by the plant transpiration is still contained in the air, no sunlight is directly emitted at night, the condensing tube is easier to keep relatively low temperature, the air temperature is reduced, the water vapor is condensed and separated out, the fan is installed through the installing support, the installing support is positioned at the opening of the condensing tube, the air outlet of the fan is aligned with the opening of the condensing tube, the air collecting cover is arranged at one side of the installing support, the air collecting cover is connected with the opening of the condensing tube, sealing treatment is carried out at the joint of the air collecting cover and the opening of the condensing tube, the sealing treatment is to smear sealing glue or set up a rubber sealing ring, the dust preventing the outside dust from entering the air inlet of the water storage tank and polluting the water source through entering the air inlet of the water storage tank.
And 5, refluxing, namely arranging an osmotic layer at the bottom of planted desert plants, recovering redundant irrigation water and refluxing the redundant irrigation water into a reservoir through a pipeline, wherein the osmotic layer comprises an sandy soil layer, a filter layer, a water filtering plate and a water collecting tank, wherein the surface of the water filtering plate is provided with a plurality of water permeable holes, the water filtering plate is positioned at the top of the inner wall of the water collecting tank, a return pipe is arranged at the bottom of the water collecting tank and is in butt joint with the pipeline, wherein the sandy soil layer in the osmotic layer can provide sufficient oxygen for the root system of the sea buckthorn, and is beneficial to the deep development of the root system, so that the root system can better fix the plants, the absorption range of the root system is enlarged, the absorption capacity of crops to moisture and nutrient is improved, the transpiration capacity of the sea buckthorn is also improved, the subsequent recovery and utilization of water-containing air generated by the transpiration effect is facilitated, the water circulation effect is achieved, the filter layer can effectively remove impurities in the osmotic water when redundant irrigation water sources continue to permeate downwards, the impurities in the osmotic water are prevented from entering the water collecting tank and are conveyed into the reservoir through the bottom pipeline of the water collecting tank, and the reservoir is polluted.
And 6, maintaining, namely periodically maintaining by staff.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.