56results about How to "Increase water resources" patented technology

The invention discloses a multi-filter cylinder automatic backwashing filter apparatus. A housing is divided into an upper chamber and a lower chamber by a separation plate. The separation plate is provided with filter cylinders in the manner of one, two, or multiple concentric circles. The sidewall of the housing under the separation plate is provided with a sewage inlet, and the sidewall of the housing above the separation plate is provided with a pure water outlet. A motor of a backwashing mechanism drives a main shaft to rotate. A lifting mechanism drives the main shaft to go up and down. A multi-way connection seat connects the main shaft, rotating arms and a waste pipe together. The main shaft drives the rotating arms to lift and rotate. The waste pipe is fixed. Suction nozzles fixed on the upper end port of the rotating arms can be in sealed connection with water inlets on the separation plate. The end part of the waste pipe is connected with an electric drain valve or a pneumatic drain valve. A control system controls the actions of the motor, the lifting mechanism and the electric drain valve or the pneumatic drain valve. The filter apparatus has the advantages of small size, large amount of water filtration, high production efficiency, good filtration effect of filtered water, good backwashing effect, low frequency of backwashing, long-life apparatus, low maintenance rate, and saving backwash water.

The invention discloses a geothermal energy hot dry rock tree-shaped heat exchange system and a heat exchange method thereof, and belongs to the technical field of clean energy. The technical problems that the geothermal energy hot dry rock heat extracting efficiency is low, and the underground heat exchange fluid wastage rate is high are solved. According to the technical scheme, carbon fibers and titanium-nickel metal wires are blended and woven into heat exchange tube single bodies, and the heat exchange single bodies and a heat exchange packaging sleeve are used for making a heat exchange tube set wrapped with a coating layer; and a separating plate is arranged at the bottom of a main shaft, the heat exchange tube set is arranged in the main shaft, and after the heat exchange tube set is subjected to separation of the separating plate, heat exchange tubes extend into corresponding auxiliary shafts. A heat exchange medium carrying high-temperature geothermal energy is obtained through the sequential steps that geothermal energy detection and drilling are conducted; the heat exchange tube single bodies are prepared; the heat exchange tubes are prepared and packaged; the heat exchange tube set is subjected to separation; and geothermal energy exchange is conducted. The main shaft and the auxiliary shafts are distributed in a tree shape, the number of the drilled shafts is decreased, and efficiently-intensified hot dry rock geothermal energy heat exchange is facilitated; and meanwhile, by adoption of the heat exchange tubes, the heat exchange efficiency is improved while waste of heat exchange medium resources is reduced.

The invention relates to the field of agricultural cultivation, in particular to a temperature-adjustable hog house. The temperature-adjustable hog house comprises a water pond and a water tank, the water pond is arranged in the hog house, a water bag is arranged in the water pond, and the water tank is communicated with the water bag through a pipeline; the water bag is further connected with a first pipeline, and the first pipeline is connected with a reversing box, the reversing box is provided with a first opening, a second opening and a third opening, the first opening is communicated with a first pipeline, a second pipeline is fixedly arranged on the second opening, the second pipeline extends to a roof, and a third pipeline is fixedly arranged on the third opening; the third pipeline surrounds a wall in a room and is communicated into the water tank; one-way valves for preventing water from flowing back are arranged on the pipeline between the water tank and the water bag and onthe first pipeline. The temperature of the hog house is adjusted through activities of porcupines, and the labor cost is reduced.

The invention relates to an industrial wastewater treatment method and an industrial wastewater treatment device. The industrial wastewater is collected by using a collection tank of a workshop. With a centrifugal elevation pump, the wastewater is pumped into a treatment water tank of the industrial wastewater treatment device with a tubular membrane filtration assembly; sodium hydroxide or potassium hydroxide is added in a delivery pipe; sufficient reaction is carried out under the stirring of the centrifugal elevation pump, such that hydroxide deposit which is insoluble in water is produced; and the water obtained after reaction is filtered by using the industrial wastewater treatment device with the tubular membrane filtration assembly. The device comprises sequentially connected components of the collection tank, the delivery pipe, and a membrane filtration device. The elevation pump is arranged on the delivery pipe. The membrane filtration device comprises the treatment water tank. The membrane filtration assembly is arranged and immersed in the treatment water tank. The membrane filtration assembly is respectively connected with a pipe delivery system. An aeration device is arranged in the treatment water tank. The membrane filtration assembly is composed of a tubular membrane filtration unit. An opened frame is arranged on the outer periphery of the tubular membrane filtration unit. A tubular filtration membrane is arranged in a sealed state on a frame plane. A water outlet pipe is arranged on the frame. With the device, solid impurities can be effectively removed, and waste water can be really turned into a resource.

The invention relates to a method for precisely replenishing water to a substrate. The method comprises the following steps: airing the substrate in a natural environment; acquiring the initial water content of the substrate by using a quick test device; adding different quantities of water into the substrate, and then, testing the water content of the substrate by using the quick test device; establishing a relation model of water content and water addition quantity of the substrate by using an analogy method based on a dynamic data driven value; and accurately calculating the initial data of the water content of the substrate and the water replenishing quantity required to replenish water until the water content of the substrate is appropriate. The method for precisely replenishing water to the substrate can be used for precisely replenishing water and correctly regulating the humidity of the substrate and has certain guiding significance for standardized and industrialized seedling production.

The invention relates to a design method of a safe mining water-retaining coal pillar. The method comprises the following steps: analyzing hydrogeological data; calculating the maximum water flowing fracture height permitted by secondary milling; judging whether the water-retaining coal pillar makes sure safety of a waterproof protecting layer or not, if not, carrying out mining with filling and carrying out back calculation of a filling rate eta; and analyzing safety of a mining fissure seepage to determine that the mining fissure seepage does not penetrate a water-bearing stratum. The methodis simple and accurate, improves the mining upper limit of the water-retaining coal pillar on the premise of ensuring safety production of a working face, improves the coal recovery rate, protects the water source of a mine region, utilizes solid wastes in the mine area reasonably and has a wide application prospect.

The invention provides a method for debitterizing apricot kernels for noodles. The method includes raw material sorting, soaking, freezing, negative-pressure soaking, high-pressure soaking, drying, and detection. The method for debitterizing the apricot kernels is short in debitterizing time, adopts less water, can keep the apricot kernel flavor and nutrient substances, and has good debitterizing effect.

The invention relates to an automobile drum type brake heat dissipation system, and belongs to the technical field of automobile brakes. The automobile drum type brake heat dissipation system comprises an axle, a hub, a brake drum and a brake shoe, wherein the hub is connected with the brake drum, the brake shoe is configured in an inner cavity of the brake drum, and the automobile drum type brake heat dissipation system is characterized in that a wind wheel or a fan blade is arranged in the inner cavity of the brake drum, an air inlet is formed in the outer side of the brake drum, and an air outlet is formed in the other side of the brake drum. The automobile drum type brake heat dissipation system achieves forced ventilation heat dissipation in the inner cavity of the relatively-sealed brake drum, the exterior cold air can continuously enter the inner cavity of the brake drum, the effects of heat dissipation and cooling are achieved, and therefore performance stability and normal operation of the automobile brake system are ensured. The forced ventilation of the inner cavity of the brake drum enables the inner cavity of the brake drum to keep clean and the good ventilation effect, and the heat dissipation effect of the automobile drum type brake can be further improved. The automobile drum type brake heat dissipation system is simple in structure, reasonable in design, reliable in use performance, safe and reliable in operation, long in service life, capable of conveniently conducting refit on an existing automobile, and beneficial to saving energy and protecting environment.

The invention discloses cleaning equipment for an automobile tire, and relates to the technical field of automobile tire cleaning. The cleaning equipment comprises a base, a rotating block, a driving motor, a vertical plate, an arc-shaped plate, an adjusting mechanism, nozzles, a cleaning mechanism, a collecting mechanism and a swing mechanism. The cleaning equipment is simple in structure. Sludge is preliminarily cleaned away through a scraping plate, then the tire is further cleaned through a cleaning brush, and therefore the cleaning effect is improved; the removed sludge is collected through a collecting frame, sewage is filtered and recycled, and therefore water resources are saved; meanwhile, in the tire rotating process, a hinged net swings up and down, so that the sludge cleaned away by the cleaning mechanism is prevented from blocking the hinged net for filtering, manual regular cleaning is not needed, and the manpower is saved; and the hinged net swings up and down to drive the nozzles to swing left and right, and therefore the tire spraying range is enlarged, the cleaning effect can be effectively improved, and the water consumption is reduced.

The invention discloses a pure oxygen combustion and carbon dioxide capturing system of a heating furnace. The system comprises a liquid oxygen storage slot (1), a vaporizer (2), the heating furnace (5), a waste heat recycling device and a carbon dioxide recycling device; liquid oxygen from the liquid oxygen storage slot (1) is in heat exchange with a refrigerant in the vaporizer (2), and generated oxygen is conveyed into the heating furnace (5); high-calorific-value fuel gas in the heating furnace and the oxygen from the vaporizer (2) are combusted in a pure oxygen combustor (4), and generated smoke gas is exhausted into a heating furnace flue; the waste heat recycling device is arranged in the heating furnace flue and used for recycling heat in the smoke gas; the carbon oxide recycling device is arranged in the heating furnace flue; and the low-temperature refrigerant output by the vaporizer (2) is utilized to cool the smoke gas to recycle carbon dioxide in the smoke gas. The invention further discloses a pure oxygen combustion and carbon dioxide capturing process of the heating furnace. According to the pure oxygen combustion and carbon dioxide capturing system and process of the heating furnace, noise pollution of a combustion fan is reduced, and reducing emission of NOx is realized, so that CO2 capturing cost is greatly reduced.

The invention discloses a filter device for saline-alkali land. After being filtered by a precipitate filter mechanism and a stirring filter mechanism which is communicated with a connection water pipe net, saline-alkali water is used through a water outlet pipe and can also be stored in a water collection groove for standby through a water collection pipe, and a water resource is saved; the connection water pipe net is connected with a three-way joint with the shape adapted to the shape of multiple connection water pipes through the connection water pipes to be in a bow shape, so that with the arrangement structure, the flowing time of the saline-alkali water is prolonged, and impurities which flow into the stirring filter mechanism are reduced; each connection water pipe comprises a semicircular upper pipe and a rectangular lower pipe which is detachably connected with the semicircular upper pipe fixedly; the bottom surface of each rectangular lower pipe is divided into a first rectangular lower pipe bottom slanting surface and a second rectangular lower pipe bottom slanting surface which are mutually connected in a water flow direction, the two edges of each bottom surface are relatively high, the middle part of each bottom surface is relatively low, the adjacent part of each front portion and the corresponding back portion protrudes downward, and each protrusion position isconnected with a collection groove used for collecting precipitates; and the connection water pipes are separated and cleaned separately, the upper pipes are opened, the lower pipes are cleaned, andblockage is prevented.