43results about How to "Solve water quality problems" patented technology

The invention discloses a blast furnace slag flushing water purification system and a method thereof, pertaining to the technical field of blast furnace ironmaking in the iron and steel industry. The system comprises a slag water tank, a filter, a filter pump, a clear water reservoir, a back flush water pump, a filter butterfly valve, a back flush butterfly valve and a matched valve and a slag bin for back flushing. One or a plurality of filters are arranged for purifying slag flushing water containing suspended fine slag and are internally provided with filter elements which are arranged in order; though the equipment is small, the filter area is much larger than that in a bottom filter method; the back flush water pump is used for reversely injecting the clear water in a clear water flow flushing filter element for removing the slag on the surface and recovering the filtering quality. The filter pump can be integrated with the slag flushing pump in the existing slag treatment system, thus being capable of filtering and flushing slag simultaneously with one pump. The blast furnace slag flushing water purification system and the method thereof have the advantages of good purification effect and high filter velocity, therefore, the filter area is small, the volume of the equipment is small, the operation is easy and the maintenance is convenient.

The invention discloses a barreled water vending machine comprising a cabinet body and a cabinet door. A support assembly, a pumping assembly, a water storage tank, a first water pump, a drinking water pipeline, a drinking water filling zone and a control device. The support assembly includes a slide rail, a support plate and a lock catch support plate, wherein the support plate and the lock catchsupport plate can slide along the slide rail. A lock catch is used for fixing the support plate and the slide rail. A barreled water barrel with drinking water loaded is arranged on the support plate. The pumping assembly includes a guide column, a handle frame and a straw; the straw is connected to the handle frame and can make synchronous movement with the handle frame. The first water pump isconfigured to pump drinking water in the barreled water barrel to the water storage tank by the straw. The drinking water pipeline includes a water feeding pipe; a discharging pipe is arranged in thedrinking water filling zone; a first end of the water feeding pipe is communicated with the water storage tank; a second end of the water feeding pipe is communicated with a first end of the discharging pipe; and a second end of the discharging pipe is used for discharging water. The invention aims at providing a barreled water vending machine that is capable of selling water in a barrel without using a filter element.

The invention discloses a method for treating rural rivers through multi-stage ecological pond. According to the method, the multi-stage ecological pond comprise multi-stage ecological pond systems, each ecological pond system is arranged on the two sides of one rural river, and is arranged at intervals in the flow direction of the corresponding rural river and comprises ecological ponds, overflowdams and water gates, each ecological pond is a semi-circular flow channel, the two ends of each ecological pond are communicated with the corresponding rural river, aquatic plants are planted all around in each ecological pond, an aerating device is arranged in each ecological pond, meanwhile, fishes are bred in each ecological pond, and each overflow dam is located in the corresponding rural river and is used for forcing river water to flow into the corresponding ecological pond. The method for treating the rural rivers through the multi-stage ecological pond systems fully relies on an ecological treatment technology and has the advantages of being low in construction and maintenance cost, good in treatment effect, free of secondary pollution, simple in later-period operation management, capable of beautifying the landscape and the like; and in addition, the problem of rural river pollution can be solved, and the water quality problem caused by the fact that the rural rivers flow toa downstream main stream can be effectively solved.

The invention discloses a negative pressure self-disturbance anti-contamination water-purifying water cellar. The water cellar is characterized by comprising a water collecting and filtering device (1), a cellar body anti-contamination water-purifying device (2), a water collecting and guiding component (3) and a purification water-taking device (4). Multiple air guiding tubes (21) are arranged on the cellar body anti-contamination water-purifying device (2), the upper ends of the air guiding tubes (21) are communicated with the outside, the lower ends of the air guiding tubes (21) are located inside the cellar body anti-contamination water-purifying device (2), and the water collecting and guiding component (3) comprises a water guiding opening (31) which is used for guiding water inside the cellar body anti-contamination water-purifying device (2) into the water collecting and guiding component (3) in a self-disturbance mode. With rainwater as a treatment carrier, the negative pressure self-disturbance anti-contamination water-purifying water cellar achieves cyclic utilization, is efficient and environmentally friendly and meets the requirements of ecological water utilization; meanwhile, the water cellar is simple and compact in structure, low in cost, affordable and easy to obtain.

The invention discloses a water quality purification system for an urban river. The river is divided into three treatment areas according to the water quality condition of the urban river, namely an agricultural farming waste water treatment area, a treatment area of branch rivers polluted by waste water from the chemical industry and a domestic waste water treatment area, the water quality purification system for the urban river comprises a sludge cleaning device, biological earthworms, a first biological dam, a second biological dam, a third biological dam and an ecological floating island. According to the water quality purification system and process for the urban river, an integral treatment scheme and a segmented treatment principle are adopted, the river is divided into three segments for segmented treatment, all treatment units are matched reasonably, conditions are created actively for gradually lowering pollution of the river, the ecological system is established artificially, the self-cleaning capacity of the river is gradually restored, all the areas are subjected to targeted treatment according to actual conditions, investment and operating cost are low, and the purifying effect is good. The invention further discloses a water quality purification method for the urban river.

The invention provides a water dispenser for pets, which comprises a water storage tank, a water dispensing tray, a circulating water supply module and a backflow filtering module, a water storage cavity used for storing water is formed in the water storage tank, and the circulating water supply module is arranged on the water storage tank and used for filtering water in the water storage cavity and then conveying the filtered water to the water dispensing tray for the pets to drink, the water dispensing tray is provided with a backflow structure communicating with the water storage cavity, and the backflow filtering module is arranged in the water storage cavity and used for receiving water flowing back from the backflow structure and filtering the water into the water storage cavity 10. The water dispenser has the advantages of being simple in structure and reasonable in design, the purpose of purifying water is achieved through multi-stage circulating filtering, the problem of water quality of drinking water for the pets can be solved, and healthy water drinking is guaranteed.

The invention provides an integrated water purifier. The integrated water purifier comprises a filtering and washing device, a pressurizing device and an electric control valve device, and further comprises a base, wherein a plurality of water channels are formed in the base; the filtering and washing device, the pressurizing device and the electric control valve device are installed on the base;water inlets and water outlets of all the devices are communicated with one another through the water channels or external pipelines; and an external waterway joint is also arranged on the base. According to the integrated water purifier disclosed by the invention, the water channels are arranged in the base, so that the mode that the existing water purifier is connected with each filter element through a complex external pipeline is replaced, the production and assembly processes of the whole water purifier are greatly simplified, and the cost is saved; and meanwhile, the whole water purifieris more intensive, the occupied space of the whole water purifier is reduced, and the water purifier is more convenient to place.

The invention discloses a purification method for pressure swing adsorption decarbonized evacuated gas and a purification device thereof. The evacuated gas is purified effectively by adding a washingstep behind an original gas evacuating step, carrying out gas-liquid separation on return water of a vacuum pump, controlling the liquid level of a water seal pipe through a U-shaped bend of a separator, ejecting the evacuated gas after gas-water separation from the top of the separator, feeding the evacuated gas into a post-section washing tower and a desulfurizer successively together, feeding the evacuated gas into a washing tower to be washed and purified and adsorbing and purifying acidic gas such as H2S in the evacuated gas by activated carbon, so that the environmental influence is reduced.

The invention provides a method for judging the cause of water quality change in a water source switching area of ​​a water supply pipe network, including measuring the ratio of water quality parameters and the change ratio of dissolved iron during the peak water use period of the water quality change pipe section, the stagnation period at night, and the change ratio of dissolved iron. 比值 , soluble iron 变化比值 0.7‑1.3, turbidity 比值 , total iron 比值 ≤0.5, the water quality change is that the sediment in the pipeline is brought into the water due to the change of the hydraulic condition, and the pipeline is flushed with a large amount of water; if residual chlorine 比值 ≤0.5, turbidity 比值 , total iron 比值 ≥1, soluble iron 变化比值 <0.7, the water quality change is the release of iron as the main substance in the pipeline, gradually increase the proportion of new water sources, and improve the adaptability of the pipeline. This method quickly and accurately judges and analyzes the causes of water quality changes when the water quality of the water supply pipe network changes, and provides solutions to ensure the normal water supply and water safety of the water supply pipe network in the area where the water source is switched. Stability has important guiding significance, it is convenient and easy to implement, simple and fast.

The invention discloses a method for preparing a double-acid ferro-aluminum flocculating agent, which relates to a process for preparing the double-acid ferro-aluminum flocculating agent by using calcium aluminate powder. The method comprises the following steps of: taking the calcium aluminate powder of which the particle size is smaller than 60 meshes, putting the calcium aluminate powder into a hydrochloric acid solution in a part mass ratio of the hydrochloric acid solution to the calcium aluminate powder of 3-5:1, reacting the two materials at a temperature of 98 DEG C for 1 to 1.5 hours, standing the mixture for 30 minutes, and then taking a supernatant to obtain AlCl3 liquid; adding ferrous sulfate to the mixture in a part mass ratio of the calcium aluminate powder to the ferrous sulfate of 9-11:1 at a temperature of between 80 and 90 DEG C, dropwise adding a sodium hydroxide solution of which the concentration is 0.5 mol / L into the mixture after 15 minutes, dropping oxyful into the mixture in a part mass ratio of the ferrous sulfate to the oxyful of 1:1-1.5 when the basicity is 30 to 40 percent, stirring the mixture continuously for 15 to 20 minutes, and then curing the mixture at a temperature of between 50 and 60 DEG C for 12 hours to obtain a liquid product of the double-acid ferro-aluminum flocculating agent; and drying the liquid product of the double-acid ferro-aluminum flocculating agent to obtain a double-acid ferro-aluminum solid product. Tests show that in the solid product, Al2Cl3 is over 30 percent, the total iron is over 1 percent, the insoluble substances is less than 1 percent, and other indexes accord with the national standards. The method has a simple process and a low cost, and the prepared product has a good flocculation effect and high economic and social benefits.

The invention relates to the technical field of water quality detection, and provides a water quality detection device, a refrigerator water supply system and a refrigerator. The water quality detection device includes an installation pipeline and a water quality detection probe. The installation pipeline includes a water inlet pipe section, a water outlet pipe section and a connecting pipe section connecting the water inlet pipe section and the water outlet pipe section. The flow rate of the water pipe section; the water quality detection probe is installed on the connecting pipe section and extends into the connecting pipe section. The water quality detection device avoids being combined with the water tank, thereby avoiding leakage at the joint. In addition, since the flow velocity in the connecting pipe section is greater than the flow velocity in the water inlet pipe section, the water flow in the connecting pipe section is locally accelerated, so that the water quality detection probe inserted into the connecting pipe section is washed by the water flow, and impurities are deposited on the surface of the water quality detection probe. Improve detection accuracy. Since the water quality detection probe is not affected by the accumulation of impurities, the service life of the water quality detection device can be extended.

The invention relates to an outer circulating and inner circulating comprehensive water treatment device of a closed cooling tower. The device comprises an inner circulating water treatment assembly,an outer circulating water treatment assembly and a controller, the inner circulating water treatment assembly comprises a water quality detection assembly and a water quality adjusting assembly; thedetection end of the water quality detection assembly is arranged at an inner circulating liquid outlet; the water quality adjusting assembly is connected with an inner circulating liquid inlet; the outer circulating water treatment assembly comprises a sewage pump and a spiral sewage discharging device, a water inlet and a water outlet are formed in the spiral sewage discharging device, the waterinlet of the spiral sewage discharging device is connected with an outer circulating liquid outlet, the water outlet of the spiral sewage discharging device is connected with a water inlet end of thesewage pump, and the water outlet end of the sewage pump is connected with an outer circulating liquid inlet. Compared with the prior art, the spiral sewage discharging device is adopted to treat outer circulating dirt, the blockage degree of the spiral sewage discharging device is calculated through the pressure difference, overhauling is reminded, the conductivity of inner circulating water isadjusted through a chemical cylinder and a metering pump, and the water quality problem of inner circulating and outer circulating of the closed cooling tower can be solved at the same time.

The invention discloses an automatic filling machine, which comprises a machine frame and an electric control device. A film rolling device for storing and releasing a film, a film connecting device for connecting the film, a disinfecting and cleaning device for disinfecting and cleaning the pulled film, a filling device for filling liquid in a film bag, a forming device for turning and rolling the film into a cylindrical structure, a vertical sealing device for vertically piecing and sealing the cylindrical film, a film pulling device for pulling the film to move and a transverse closing and cutting device for transversely closing and cutting the cylindrical film are arranged on the machine frame in turn. The automatic filling machine provided by the invention is high in production efficiency, lower in cost and high in automation degree.

The invention discloses an indirect evaporation cooling method of generating cold water and cold wind at the same time and a device, belonging to the energy technical field and relating to an evaporation cooling type cold supply. Fresh air firstly enters a multistage evaporation cooling type heat recoverer, is performed with a wet cooling by an exhaust air evaporation cooling process, etc., then enters an evaporation cooler which generates the cold water and the cold wind at the same time and is performed with a direct evaporation cooling by contacting spray water; part of outlet air of the evaporation cooler is outputted to a user, while another part of the wind is used as exhaust air which is exhausted outdoor via cooling inlet air during multistage evaporation cooling process. In the evaporation cooler, the cold water is outputted after circulated and cold water of the user is cooled by the spray water and an air evaporation cooling process; a temperature of outlet water is lower than a wet bulb temperature of inlet air. The invention outputs the cold water for the user and the fresh air at a lower temperature at the same time, solves a mismatching of a flow ratio of air and water in a sensible heat transferring process and a heat and moisture exchanging process, and solves the mismatching caused by a non linearity of a saturated line through a multistage device; a cold water side for the user can be a closed system, and application situations for a unit can be more widely.

The invention discloses an ocean-wave-driven shellfish automatic feeding and breeding device and a breeding method. The device includes a bait cultivation floating tank, an ordinary floating tank and a breeding net cage. The common floating tank; the lower part of the common floating tank hangs the culture net cage; the top of the box body of the bait cultivation floating tank is provided with a light-transmitting protective net, and the inside of the tank is divided into 3 areas by a partition, and the middle area is The main breeding room, the areas on both sides are feeding rooms; the bottom of the main breeding room is provided with a water-permeable filter screen that bait cannot pass through, and the water-permeable filter screen extends to the bottom of the feeding room. To pass through the door, connected with the culture net cage by pipeline. Compared with land cultivation methods, it reduces energy consumption, simplifies the shellfish cultivation process, has sufficient and adjustable light, and continuous feeding driven by waves reduces the density requirements for cultivation and reduces pollution to seawater.