197results about How to "Solve water problems" patented technology

The invention discloses a capacitance detection device and a capacitance detection method. The device comprises a comparator, an integrating capacitor, and an analog-to-digital converter, wherein the comparator is used for comparing voltage so as to control the discharge time of a measured capacitor; the integrating capacitor is used for integrating the discharge charge of the measured capacitor and producing an integrating voltage which has certain relation with the measured capacitor; and the analog-to-digital converter is used for converting the integrating voltage into corresponding digital quantity. The device and the method can realize higher-accuracy high-speed capacitance detection, and can be used for identifying the capacitance in a resistance-capacitance network and detecting the capacitance; and the characteristic can solve the excessive problem in capacitive touch application.

The invention discloses a method for determining capacity of an underground reservoir of a mine. The method includes steps of 1, measuring rock mass strength, coal seam buried depth and exploitation dimensions of the underground reservoir of the mine; 2, setting a reference underground reservoir of the mine with rock mass strength, coal seam buried depth and exploitation dimensions which are consistent with those of the to-be-measured underground reservoir of the mine; 3, measuring water storage capacity V2, reservoir area S and water head H of the reference underground reservoir of the mine and computing a water storage coefficient R according to the equation of R=V2/SXH; and 4, measuring reservoir volume V1 of the to-be-measured reservoir of the mine and computing the capacity of the to-be-measured reservoir of the mine according to the equation of V=V1XR. By the aid of the method, the capacity of the underground reservoir of the mine can be obtained, so that water resources of a mining area can be regulated.

The invention discloses a technology for treating and recycling a fracturing flow-back fluid of an oil and gas field. The technology comprises the steps as follows: oil-separation recovery is performed on a waste fluid of the fracturing flow-back fluid, so that a recovered waste fluid is obtained; the recovered waste fluid is degraded, so that a degraded waste fluid is obtained; flocculation and flotation are performed on the degraded waste fluid, so that floccules are obtained; and the floccules are separated from the fluid, so that a fluid for preparing an oil and gas field fracturing fluid is obtained. According to the technology, sump oil and waste fluid resources are recycled fully, and the treated waste fluid satisfies a standard requirement of preparation of the fracturing flow-back fluid.

The invention discloses an agricultural tool for spraying pesticide to garden trees. The agricultural tool comprises a base, a pesticide tank and an atomizer, four supporting legs are arranged on the lower side of the base, a buffering wheel is arranged at the lower end of each supporting leg, a pesticide adding tank, a motor and a water adding tank are arranged at the upper end of the pesticide tank, a first rotating shaft is arranged at the lower end of the motor, stirring rods in array distribution are arranged on the first rotating shaft, a bottom stirring rod is arranged at the bottom of the first rotating shaft, a water suction pump is arranged at the bottom of the pesticide tank, a plastic hose is arranged at the upper end of the atomizer, a nozzle is arranged at the tail end of the plastic hose, a cylinder is arranged on the right side of the atomizer, and a supporting rod is arranged at the upper end of the cylinder. The agricultural tool solves the problem that a single container is needed for pesticide preparing, is good in mixing and dissolving effect, solves the problem of water consumption in gardens and is convenient for water taking and tree spraying.

The invention discloses an environment-friendly and energy-saving courtyard type rain water collecting, treating and recycling system, and specifically relates to the environment-friendly and energy-saving courtyard type rain water collecting, treating and recycling system which is suitable for an arid area and a semi-arid area. The environment-friendly and energy-saving courtyard type rain water collecting, treating and recycling system is characterized by comprising a rain water collecting pool, a flow distributing well, a flow releasing pool, a constructed wetland, a rain water storing pool, a sand filtering pool and a clean water pool, wherein the upper-layer rain water collecting pool, the flow distributing well, the constructed wetland and the sand filtering pool are connected in sequence, the lower-layer flow releasing pool, the rain water storing pool and the clean water pool are connected in sequence, the flow releasing pool is located under the rain water collecting pool, the rain water storing pool is located under the flow distributing well and the constructed wetland, and the clean water pool is located under the sand filtering pool. According to the environment-friendly and energy-saving courtyard type rain water collecting, treating and recycling system disclosed by the invention, the occupied area is small, the energy consumption is low, the operating cost is low, and the maintenance is simple; the functions of beautifying a courtyard and purifying air are obtained as green ecological plants are planted on the constructed wetland; the courtyard waterlogging can be reduced, environmental pollution caused by initial rain water can be reduced, the living standard of a farmer can be increased, and meanwhile, the rural ecological environment can also be effectively improved.

The invention discloses a high-salinity composition having functions of resisting dentine hypersensitivity and whitening. The composition comprises the following components in parts by weight: 4-8 parts of potassium nitrate, 0.1-5 parts of pyrophosphate and 3-5 parts of auxiliary sensitivity resisting ingredient; the invention further discloses application of the high-salinity composition in a toothpaste, a tooth powder, a tooth gel, a tooth paste or a cream preparation; the invention further discloses a toothpaste comprising the high-salinity composition, and the weight percentage of the high-salinity composition in the whole toothpaste is 7-18%; the invention further discloses a preparation method of the toothpaste: a humectant is added in a container, then a thickener is added to stir evenly, a sweetening agent, a preservative and a surfactant are added to be stirred evenly, the high-salinity composition is added and stirred evenly, an abrasive and water are added, a fragrance modifier is added after stirring evenly, and the mixture is fully stirred and degassed in vacuum to complete the preparation of the toothpaste. The high-salinity composition and the toothpaste have excellent double effects of whitening and resisting hypersensitivity, the components work synergistically, and the effect is more remarkable.

A method for cultivating tilapia by sea ice water comprises the following steps: (1) after seawater is frozen in winter, sea ice is collected into a shoreside water storage pond; (2) after the sea ice is melted to form sea ice water in spring, the sea ice water is delivered into a first-stage purifying pond; (3) the sea ice water carries out first-stage edulcoration, purification and filtration in the first-stage purifying pond and then is delivered into a second-stage purifying pond; (4) the sea ice water carries out second-stage edulcoration, purification and filtration and then is delivered into an alexipharmic sea ice water cultivation pond; (5) tilapia fries are placed into the alexipharmic sea ice water cultivation pond and cultivated; and (6) water quality monitoring and cultivation management are carried out in the cultivation process. Novel water source sea ice water has good purification action in the freezing process, and the salinity of melted sea iced water is between 7g/L and 11g/L so that the melted sea ice water is just an optimal water environment for the growth of the tilapia, thereby the invention opens a new way for the sea ice water on the agricultural multipurpose use of coastal beaches and low-lying alkaline lands.

The invention discloses a production technology for producing a high-strength corrugated paper by using wastepaper. The production technology comprises the following steps: re-pulping; low-concentration deslagging; low-concentration filter pressing; high-concentration deslagging; high-concentration filter pressing; grinding; screening; blending; paper manufacturing with pulp and molding; corona ionizing enhanced treatment; wet-paper drying and squeezing; first vacuum suction moving; secondary drying; surface corona sizing; surface sizing; third drying; rolling, thereby acquiring the end product of corrugated paper.

The invention discloses a method for producing edible salt from sea water through an industrial process and a processing device of the edible salt. The method for producing edible salt from sea water through the industrial process comprises the following steps: extracting seawater, preprocessing, concentrating, preheating, concentrating and crystallizing. The processing device of the edible salt comprises a preprocessing unit, a reverse osmosis unit, a pre-heater, a mechanical steam recompression evaporation device and a post-processing unit. Compared with the salt pan method, the method has the advantages that the large quantity of soil is saved; meanwhile, the influence of season is avoided, the investment is low and the labor is saved. By taking annual output of 50000 tons of edible salt as an example, an area of nearly 2500 acres is occupied in the salt pan method, but an area of only 50 acres is occupied in the method; the number of the required persons in the method is only 1/10 that of the required persons in the salt pan method; the basic investment for producing every ton of salt through the method is only 1/5 that of the salt pan method; the purity and the concentration of brine of the method are higher than those of the salt pan method; important chemical raw materials such as calcium sulfate, magnesium sulfate, potassium chloride, calcium chloride and bromine water can be extracted from the crystallized bittern; the energy needed for operation of the device is clean energy which is electric energy; the device is high in degree of automation, capable of continuously producing the salt in 24 hours, free of steam and really emission-free and pollution-free.

The invention discloses a water-supplying method for ensuring tobacco seedling drought-resisting transplanting through rainwater accumulating. The method includes the steps that in February every year, a tobacco field with inclination is selected, and ridging is performed on the slope of the tobacco field; soil of ridge bodies is pounded, field ditches are dredged, plastic films mulch the adjacent ridge bodies and field ditches and are pressed tightly, and a W-shaped rainwater accumulating lawn is formed ; a pit is dug at the lowest place of the tobacco field, and pesticides are spread at the bottom and the periphery of the pit, so that underground insects are prevented from damaging the tobaccos; then, mulching of plastic films is performed, anti-leakage treatment is performed on the mulching plastic films, and the situation that water leakage does not exist is ensured, so that a water reservoir is formed; the rainwater accumulating lawn and the water reservoir form a simple rainwater accumulating pool of the tobacco field. By the adoption of the method for ensuring the tobacco seedling drought-resisting transplanting through the rainwater accumulating, for regions where tobaccos are suitable for being planted, but the tobaccos often suffer spring drought, in the beginning and the middle of March and April, a small amount of ineffective rainfall for several times is effectively accumulated. Therefore, when the drought-resisting transplanting is performed on the flue-cured tobaccos in advance in due time, the problem of required water supply is solved, so that yield and quality of the flue-cured tobaccos are improved.

The invention relates to a flue gas cleaner with integration of desulfurization, denitrification, mercury removal and dust removal. The flue gas cleaner comprises an integrated cleaning tower arranged on a base, a spiral flue duct, a dry absorbing and cleaning agent applying device and a wet absorbing and cleaning agent applying device, wherein an automatic slag remover, a flocculation and precipitation cleaning working zone, an inner precipitation circulating zone and an outer precipitation circulating zone are arranged in the base; an inner wall cleaning fluid collecting water channel is formed between the inner precipitation circulating zone and the outer precipitation circulating zone; the outer precipitation circulating zone is divided to form winding paths by a transverse partition board; the integrated cleaning tower is divided into a demisting and dewatering cleaning working zone, an absorption cleaning working zone and an oxidation cleaning working zone by a gas-water separator; an annular sprayer, a backwash cylindrical sprayer and a demisting filter screen are arranged in the demisting and dewatering cleaning working zone respectively; a main cylindrical sprayer is arranged in the absorption cleaning working zone; a cylindrical oxidation cleaning agent sprayer is arranged in the oxidation cleaning working zone; a flue gas outlet and a spray circulating system are arranged at the top of the integrated cleaning tower respectively. The flue gas cleaner has significant cleaning effect.

A process for demineralizing the sewage in oil field, which contains oil, polymers and high-mineralized water, includes such steps as coagulating, deposition, air floating, filtering, chemical cleaning in a circulating membrane unit for further treating, demineralizing in a nano-modified ion exchange unit, desalting, and using the treated water to prepare polymer for reusing it.

The invention relates to a monitoring system of water conditions in a water reservoir. The monitoring system comprises a water condition detection module, a data processing module and an adjusting module, wherein the water condition detection module is used for detecting water condition data and transmitting the water condition data to the data processing module; the data processing module is used for comparing the water condition data with a pre-set water condition data threshold value, and transmitting a corresponding adjusting instruction to the adjusting module according to a comparing result; the adjusting module is used for receiving the adjusting instruction transmitted by the data processing module and adjusting the water conditions according to the instruction. The monitoring system has the characteristics of monitoring and automatically adjusting water levels and water quality in the water reservoir in real time.

The invention discloses a corrugated paper production method using waste paper pulping to improve the fiber utilization rate. The method comprises the following steps: waste paper pulp adjustment, waste paper pulp soaking and swelling, waste paper pulp puffing, waste paper pulp breaking, shredded kraft paper puffing, kraft paper pulp breaking, residue removal and screening, mixing with a grindingaid, grinding for forming a pulp, mesh papermaking pressing and subsequent papermaking. The waste paper and the shredded kraft paper are used to produce the corrugated paper, and the papermaking material is sufficiently preprocessed before the above pulp breaking step to maximally dissociate fibers in the papermaking material in the pulp breaking step and keep the integrity of the fibers, so the utilization rate of secondary fibers in the papermaking step is improved. The method has the advantages of simple process, energy-saving, environmentally-friendly, clean and pollution-free production process, great reduction of fiber damages and the broken rate of the fibers in the pulping process, and high fiber utilization rate, and the toughness and the strength of the prepared corrugated paperare greatly improved.

The invention belongs to the technical field of home appliances, and in particular relates to a cleaning control method for a home appliance cleaning box and a home appliance. The method comprises thefollowing steps: acquiring to-be-cleaned information in the home appliance cleaning box during cleaning and calculating water volume information needed during cleaning according to the to-be-cleanedinformation and generating a cleaning control command; and controlling the home appliance to be cleaned according to the cleaning control command. The method can control the water volume, and the water inlet amount, the frequency of a circulating water pump, the spray amount and the water inlet amount are related to quantity or clean degree of to-be-cleaned bowls and chopsticks, so that the problem of halfway cleaning, poor cleaning effect and waste of water and electric energy is solved to a great extent. A user does not need to arrange or adjust the water inlet amount manually, so that the cleaning efficiency can be improved, the water is saved, a purpose of being efficient and energy-saving is achieved, and the use experience and comfort level are improved.

The invention relates to an environmental-friendly toilet, in particular to a cycling water integrated excrement treatment toilet. The cycling water integrated excrement treatment toilet comprises a toilet body; the toilet body consists of a container; a pressure tank, a flushing device, a microorganism filtering box, a biological activated carbon filtering box and a clean water tank are arranged in the container; the water outlet end of the pressure tank is connected with the water inlet end of the flushing device; the water outlet end of the flushing device is connected with the water inlet end of the microorganism filtering box; the water outlet end of the microorganism filtering box is connected with the water inlet end of the biological activated carbon filtering box; the water outlet end of the biological activated carbon filtering box is connected with the water inlet end of the clean water tank; the water outlet end of the clean water tank is connected with the water inlet end of the pressure tank. The cycling water integrated excrement treatment toilet can degrade excrement of people into odorless and transparent liquid, can implement water cycling flushing and zero discharge without clearing excrement slag, and not only solves the problem of a toilet water source, but also can reach the zero discharge standard of the toilet.

The invention discloses a method for making a tea-based beverage through a capsule beverage machine, and belongs to the technical field of beverage preparation. According to the method for making thetea-based beverage through the capsule beverage machine, the problem that a tea-based beverage made by an existing tea making machine is low in quality is solved. According to the method for making the tea-based beverage through the capsule beverage machine, the capsule beverage machine comprises a brewing head provided with a water inlet pricking needle and a leading-out pricking needle, a brewing cup for accommodating a capsule, and a liquid supplying mechanism; and the liquid supplying mechanism communicates with the water inlet pricking needle, and a tea raw material accommodating cavity is formed in the capsule. The method for making the tea-based beverage comprises the steps that a water-absorbing stage is conducted, specifically, the liquid supplying mechanism leads brewing liquid into the tea raw material accommodating cavity through the water inlet pricking needle, so that tea raw materials are soaked and absorb water; a tea extracting stage is conducted, specifically, the liquid supplying mechanism leads the brewing liquid into the tea raw material accommodating cavity through the water inlet pricking needle, and soluble substances in the tea raw materials are extracted to form tea liquid; and a tea discharging stage is conducted, specifically, the tea liquid in the tea raw material accommodating cavity is discharged through the leading-out pricking needle.

The invention provides water-borne wood paint, which comprises the following ingredients in percentage by weight: 10 to 20 parts of deionized water, 1 to 5 parts of propylene glycol, 1 to 3 parts of base association type thickening agents, 0.05 to 0.5 parts of dimethylethanolamine, 0.01 to 0.5 parts of non-silicone mineral oil system defoaming agents, 0.05 to 0.3 parts of water-borne carboxymethyl cellulose, 0.2 to 1.2 parts of ethanol, 60 to 80 parts of water-borne nanometer core-case crylic acid polymer dispersoid, 3 to 10 parts of water-borne fluorine-containing polyurethane nanometer dispersoid, 1 to 5 parts of alcohol ester twelve coalescing agents, 0.01 to 0.05 parts of fluorine flatting agents and 0.1 to 0.3 parts of anticorrosive and bacterium prevention agents. The water-borne wood paint has the advantages that the water-borne fluorine-containing polyurethane nanometer dispersoid is used as the core technology and is organically combined with water-borne auxiliaries such as the fluorine flatting agents, the problem that the wood surface cannot be easily moistened by the water-borne wood paint because the water surface tension is strong is solved, and the problems of poor paint film adhesion force, poor boiled water resistance and the like of the ordinary water-borne wood paint are solved. The invention also provides a preparation method of the water-borne wood paint at the same time.

The invention discloses a rainwater collecting and automatic irrigating device. A foot stool and a box are connected to form a supporting body of a hollow cone frustum-shaped structure, rainwater collecting cloth used for forming a rainwater collecting face is arranged at the top of the box, the edge of the rainwater collecting cloth is connected with a first-stage water storage box, the middle ofthe rainwater collecting cloth is connected with a sliding ring arranged in the first-stage water storage box, a floating ball is connected with the sliding ring, a water inlet ring used for rainwater entering is arranged between the rainwater collecting cloth and the supporting body, a water outlet is formed in the outer side of the first-stage water storage box, and a number-one switch is arranged at the water outlet; a second-stage water storage box is arranged below the first-stage water storage box, a liquid level sensor is installed in side the second-stage water storage box, and drip irrigation pipes are installed on the lower portion of the second-stage water storage box and fixed to the ground through fixing pins; meanwhile, soil moisture sensors are installed on the lower portions of the fixing pins, and number-two switches are installed on the drip irrigation pipes; the rainwater collecting cloth is used for collecting rainwater to obtain a local water source needed for irrigation, uniform irrigation is realized through the drip irrigation pipes, in this way, the effect of saving water is realized, and the demand of tree growth is met.

The invention discloses a design method of a tuned liquid damper based on a building fire fighting water tank. The method comprises the following steps: determining whether a fire water tank is suitable for being converted into a tuned liquid damper; When the fire water tank is suitable to be transformed into a tuned liquid damper, the difference of natural vibration period and frequency between the fire water tank and the building structure under the fire water tank is obtained. Formulate and adjust the scheme of setting up the spoiler net and water level in the fire water tank; Determine thedamping effect of fire water tank. As that disturb net is added in the fire water tank at the top of the high-rise building and the water level is controlled, both the function of the fire water tankand the TLD function can be realized, thereby playing a vibration damping role; It is not necessary to set a large number of small shallow water tanks as TLD, but to use the original fire water tankat the top of the building as TLD, which not only reduces the cost of vibration reduction but also does not affect the use of the building. Adding a spoiler net in the fire water tank does not affectthe quantity of water in the fire water tank of the building, but also can achieve the effect of vibration reduction by changing the sloshing frequency of the water.

The invention discloses a vertical revetment three-dimensional greening system, which comprises a retaining wall, an outer waterproof layer is arranged on the side of the retaining wall, a fixed keelsteel wire rope anchor cable is embedded in the outer waterproof layer, the outer side of the outer waterproof layer is fixed with a keel through an embedded fixed keel steel wire rope anchor cable, and a long-strip planting groove is arranged on the outer side of the outer waterproof layer; the strip-shaped planting groove is connected with the keel through a hook; a spraying system is arranged above the retaining wall. And the invention also discloses a manufacturing method of the vertical revetment three-dimensional greening system. In the method, the installation of the keel in the vertical revetment planting wall is convenient, the fixed strip planting groove is fixedly provided with fixed strip planting groove hooks, the front and rear space is large, and the plant is easy to survive; the plant does not need manual irrigation, which saves water source, and is economical and practical.

The invention discloses an improved production process for producing corrugated core paper by using waste paper. The improved production process comprises the steps of paper cutting, repulping, low-concentration residue removal, low-concentration filter pressing, high-concentration residue removal, high-concentration filter pressing, pulp grinding, screening, blending, paper manufacturing with pulp and formation, drying, squeezing and the like. A traditional production process is improved, an ultrasound pulp grinding process basically does not damage fiber in waste paper in the pulp grinding process, the water quantity for papermaking is decreased while the pulp grinding efficiency is improved and damaged fiber is decreased, the putting and adding amount of chemical materials is decreased,more energy is saved and the environment is protected in the production process, and high-strength corrugated core paper is produced.