146results about How to "Improve water safety" patented technology

The invention provides a garbage compression leachate comprehensive waste water treatment device and technological method. The device comprises a grille, a waste water storage tank, an ultrasonic Electro-Fenton reactor, an intermediate water storage tank, an ultrasonic vibration film reactor and a vortex vibration film filtration system, wherein the grille, the waste water storage tank, the ultrasonic Electro-Fenton reactor, the intermediate water storage tank, the ultrasonic vibration film reactor and the vortex vibration film filtration system are sequentially connected. The device further comprises a sludge dewatering drying pool which is connected with a vortex energy-saving heat pump flash evaporator of the vortex vibration film filtration system and provided with a circuit connected with the ultrasonic vibration film reactor. Waste water sequentially flows through the grille, the waste water storage tank, the ultrasonic Electro-Fenton reactor, the intermediate water storage tank, the ultrasonic vibration film reactor and the vortex vibration film filtration system for redox reactions and filtration. The device is high in operability, high in regeneration cycle use rate and low in operation cost.

The invention provides a deepwater circulating and enhanced coagulating sedimentation algae-removing water treatment system and a treatment method, belonging to the technical field of feed water treatment. The deepwater circulating and enhanced coagulating sedimentation algae-removing water treatment system comprises a water supply pump, a water treatment tank and a drug feeding device, wherein the water supply pump and the drug feeding device are respectively connected with the water treatment tank through a pipeline; the deepwater circulating and enhanced coagulating sedimentation algae-removing water treatment system is characterized by being provided with a deep water circulating well for stressing air bags in the algae crack; the circulating well is provided with an inlet and an outlet; the inlet of the circulating well is connected with the water supply pump; and the outlet of the circulating well is connected with the water treatment tank. The water supply pump injects algae-containing water into the circulating well and enters the water treatment tank; the air bags in algae cells crack under high-pressure effect of the deep water of the circulating well so that the algae lose buoyancy to be easy to precipitate. A coagulant, the algae and other impurity grains collide in a reaction tank to be combined into larger floc grains so as to precipitate and be removed in a sedimentation basin. With the adoption of the method, the air bags of the algae are enabled to crack, the sedimentation speed is high and the removing effect is good; the algae cells are not damaged and water supply is safe; and the drug consumption and the energy consumption are low and the operation cost is low.

The invention relates to a method for processing drinking water, in particular to a method for reducing chlorite as the disinfection by-product of drinking water. In the method, chlorine dioxide gas is first used to preoxidate raw water, lime is then added to regulate the pH value, coagulant is then added, coagulation, sedimentation and filtration are carried out to remove turbidity, and sodium hypochlorite solution is added for disinfection. Under the premise of ensuring that drinking water can meet the disinfection effect, the method which adopts the chlorine dioxide for preoxidation and the sodium hypochlorite for disinfection can greatly reduce the content of the chlorite as the disinfection by-product and ensure that the content of the chlorite can absolutely meet the requirement of the national standard on drinking water, thus greatly enhancing the safety of water quality.

The invention relates to a water treatment system for removing algae by pressure strengthening and sedimentation coagulating and a water treatment method, belonging to the technical field of drinking water treatment. The invention is mainly characterized by using the water treatment system and method which apply pressure for pre-treating and carrying out the sedimentation coagulating to remove the algae in the water, so as to be suitable for removing the algae with a floating property, such as water bloom blue-green algae and the like, and other turbidity substances from water supply plants. After the algae are treated by pressure pretreatment, air bags of the algae are crushed to lose buoyancy, so as to be easily removed by a sedimentation coagulating method to obtain a good effect; a pre-oxidant does not need to be added into the water to kill the algae, and harmful substances including algae toxins and the like are not released into the water, so as to improve the water supply safety; the algae with the crushed air bags are easy to precipitate, and a large quantity of coagulant does not need to be added, so as to save medicaments; and less compressed air or pressure water only needs to be introduced into a pressure pot to improve the pressure of the whole pressure pot, and the energy consumption is low, so that the operation cost of water treatment is reduced.

The invention provides a water quality safeguard system and a water quality safeguard method for a drinking water reservoir. According to the water quality safeguard system and the water quality safeguard method, an automatic water quality monitoring mechanism, a water inflow regulating and controlling mechanism, a reservoir area water ecology mechanism and a water outflow regulating and controlling mechanism are adopted to treat raw water which flows from a river channel into the reservoir. The water quality safeguard system and the water quality safeguard method, provided by the invention, have a wide application range, play a favorable role in water qualification and water quality safeguard of drinking water reservoirs in plain and mountain areas, have the advantages of high water quality safeguard property, good water qualification effect and high water supply safety, reflect the concepts of ecological preservation, low carbon, environmental protection and the like, have high economy, high practicability and wide applicability, are especially suitable to popularize and apply among drinking water reservoirs with unstable raw water quality, long water retention time, eutrophication risks, low water supply assurance rates and emergency water storage functions.

The invention discloses a method for preparing a compound water purifying agent for emergency treatment of water pollution of a drinking water source, which comprises the following steps of: grinding concave soil raw ore into fine powder, and sieving by using a sieve with 100 to 300 meshes to obtain concave soil powder; calcining the concave soil powder at the temperature of between 350 and 500 DEG C for 1 to 5 hours, or radiating the concave soil powder by using microwaves with the power of 300 to 600W for 5 to 15 minutes to obtain modified concave soil; and mixing the modified concave soil and an inorganic polymer coagulant accounting for 5 to10 weight percent of the modified concave soil and potassium permanganate accounting for 1 to 5 weight percent of the modified concave soil in aqueous solution, stirring for uniform dispersion, drying, and grinding to obtain the water purifying agent finished product. The compound water purifying agent can obviously reduce the content of organic matters, algae toxins, heavy metals and the like in the water of the polluted drinking water source, the manufacturing cost is low, the operating process is simple, the sedimentation velocity is high, the sludge volume is small, the residues of inorganic reagents are a few, and the compound water purifying agent has chemical and biological safety and is a novel environment-friendly and high-efficiency water purifying agent for emergency treatment of the water pollution of the drinking water source.

The invention discloses a method for composite oxidization treatment of micro-polluted source water, relating to a water treatment technology which uses a potassium permanganate adder, an ozone generator, a contact oxidizing chamber, a flocculating agent adder, a coagulant aid adder, a mechanical stirring pool, a sedimentation tank and a filtering basin. A chlorine dioxide adder and the potassium permanganate adder are adopted to add chlorine dioxide solution and potassium permanganate solution into the source water; the chlorine dioxide solution is added first, then the potassium permanganate solution is added, then the chlorine dioxide solution and the potassium permanganate solution enter a contact oxidation pond for contact oxidation, the co-oxidation action of chlorine dioxide oxidant and potassium permanganate oxidant is used to jointly oxidize organism pollution in a water source, the coagulation aid action of the chlorine dioxide oxidant and the potassium permanganate oxidant is utilized to strengthen the generation and the precipitation of aggregates at the same time, and the oxidized water enters a water plant. By improving the prior process, the method with simple operation process, low cost, convenient equipment installation, and micro-pollution removal is provided.

The invention belongs to a sewage treatment method in water treatment, and particularly relates to a method for producing regenerated water through the combined process of magnetic separation and purification-shallow medium filtration. Secondary effluent in a sewage treatment plant or water meeting the similar water quality standard is taken as raw water, and the raw water is subjected to magnetic separation and purification, disinfection and sand filtration and then is reused. Compared with the prior art, the method has the advantages that the magnetic disk separation technology can achieve the high-efficiency dephosphorization that cannot be achieved in the traditional advanced treatment process as well as the performance of heavy metal, the effluent effect reaches or is superior to that of the traditional advanced treatment process, and the reuse requirement of regenerated water can be met.

The invention relates to a drinking water COD intelligent monitoring system. The system comprises monitoring terminals, a cloud server and an operation terminal. The plurality of monitoring terminals are in communication connection with the cloud server through gateway equipment. The cloud server is connected with the operation terminal through a wired or wireless network. Each monitoring terminal is installed on one water quality purifying device and is used for collecting water quality data of the water quality purifying device and controlling the operation of each mechanism of the water quality purifying device. The cloud server is used for collecting and storing the water quality data of the plurality of water quality purifying devices through the plurality of monitoring terminals. The operation terminal is used for reading the water quality data, stored in the cloud server, of the plurality of water quality purifying devices and carrying out analysis and demonstration. Each monitoring terminal comprises a first COD detection instrument, a second COD detection instrument, a control module and a wireless communication module which are connected in sequence. The operation terminal comprises a first water quality state analysis module, a second water quality state analysis module and a water quality comparison analysis module.

The invention discloses an ultrafiltration membrane module and a method for treating high-turbidity water by using the same. The ultrafiltration membrane module comprises a shell and a filter element, wherein the filter element is composed of a membrane filament and a membrane seal cover; the membrane seal cover divides the inner cavity of the shell into upper and lower parts, namely a water production cavity and a filtering cavity, the membrane filament is located in the filtering cavity, and the two ends of the membrane filament are fixed on the membrane seal cover, and communicated with the water production cavity; the shell is provided with a water production opening which is communicated with the water production cavity, and a water inlet and a concentrated water outlet which are communicated with the filtering cavity; and the concentrated water outlet is formed in the top of the shell, and communicated with the filtering cavity by a central tube passing through the membrane seal cover, and the water inlet is formed in the bottom of the shell. The ultrafiltration membrane module disclosed by the invention is easily disassembled and strong in staining resistance, and sewage blocking is not easily caused.

The invention discloses a method for chemically treating drinking water pollution, relating to a water treatment technology which uses an ozone generator, an ozone contact oxidation pond, a flocculating agent adder, a coagulant aid adder, a mechanical stirring chamber, a sedimentation tank and a filtering basin. The treatment process is as follows: organic pollutants in source water are oxidized by fully mixing ozone produced by the ozone generator (2) with the source water in the ozone contact oxidation pond (3); then the pre-oxidized water is added with flocculating agent and coagulant aid and enters flocculating settling and filtration of a water plant to be treated. By improving the prior water treatment process, the method with simple operation process, low cost, convenient equipment installation, and micro-pollution removal is provided.

The invention discloses a special faucet for water quality monitoring. The faucet comprises a faucet water feeding bent pipe and a rotating water valve. A water inlet end opening is formed in the tail end of the bottom of the faucet water feeding bent pipe, and the special faucet for water quality monitoring further comprises a conductivity detection device; the conductivity detection device comprises a first detection terminal and a second detection terminal, and the first detection terminal and the second detection terminal are arranged on the faucet water feeding bent pipe in a spaced manner; and the first detection terminal and the second detection terminal are each located between the water inlet end opening and the rotating water valve. According to the invention, the conductivity detection device detects the conductivity of tap water; when the rotating water valve is adjusted to release the water, if impurities or particulate matter or contaminant in the tap water increases, the conductivity of the tap water is changed and is displayed through the conductivity detection device; and when the conductivity exceeds the limiting value, a buzzer is triggered to give an alarm, and water safety is improved.

The invention belongs to the technical field of direct drinking water devices. A cloud-based direct drinking water device control system includes a storage and forwarding module, a front-end monitoring platform module, a direct drinking water device control subsystem and a wireless communication module. The storage and forwarding module includes a cloud storage transit server and a local storage transit server. The front-end monitoring platform module is configured to forward control commands and feedback data from the direct drinking water device control subsystem and to remotely monitor the operating status of each direct drinking water device. The direct drinking water device control subsystem communicates with the front-end monitoring platform module through the wireless communication module. The wireless communication module is provided with a wireless chip, a mode control module and a reset module. According to the invention, a system administrator is allowed to obtain and implement the real-time information of the status of the direct drinking water devices completely and accurately at anytime and anywhere.

The invention discloses a method for collecting blue algae and purifying water quality by breeding algae-eating fishes in a water body. The method provided by the invention is characterized in that a plurality of uniformly distributed net cages used for breeding algae-eating fishes are arranged in an algae-controlling water area; the bottom of each net cage is equipped with a fish manure collector which is made from a dense net; the algae-eating fishes are bred in the net cages; and an algae manure interception net is arranged on the edge of the water area in which the net cages are disposed.According to the invention, the algae manure interception net, a fish-interception and blue algae-capture module and an ecological floating-island water quality purification module are arranged in local water areas, so as to effectively control the biomass of blue algae in water source areas, effectively reduce the content of N and P in a water body, improve the safety of water consumption, and obtain the cycling support economically.

The invention discloses tank-type pipe network pressure-superposed water supply equipment with a compensation pump and a small-flow pump. The tank-type pipe network pressure-superposed water supply equipment mainly comprises a steady-flow compensation tank, a negative-pressure eliminator, a flow control valve, the compensation pump, the small-flow pump, main pumps, a flow detection device and a control cabinet, wherein the steady-flow compensation tank is in a dual-cavity horizontal structure consisting of both a water storage cavity and a steady-flow cavity; a water outlet I is formed in the bottom of the water storage cavity and communicated with a water distribution pipe through a compensation pipe on which the compensation pump is mounted; a small-flow branch pipe is arranged on a water distribution manifold to be connected with a by-pass pipe II; and the small-flow pump is mounted on the small-flow branch pipe. The tank-type pipe network pressure-superposed water supply equipment has the benefits that the advantages of small occupied land, sanitary water supply, energy saving, high efficiency, complete functions, good using effect and the like are achieved; a flow control valve is mounted to limit the pressure drop of a tap water inlet pipe and guarantee no-negative-pressure pipe network pressure-superposed water supply; and the water storage cavity of the steady-flow compensation tank can perform differential compensation and adjustment on tap water inflow deficiency, so that the adjustment volume is increased and the water supply security is improved.

The present invention relates to a water treatment method for implementing drinking water deep purification by utilizing immobilization biological ceramsite technology. Said water treatment method includes the following steps: (1), making the water to be treated undergo the processes of precipitation and filtration, then be fed into immobilization biological ceramsite tank; (2), making the water flowed out from said immobilization biological ceramsite tank undergo the process of ozonization treatment, then be flowed into secondary immobilization biological ceramsite tank; and (3), making the water flowed out from secondary immobilization biological ceramsite tank undergo the processes of microfiltration, secondary ozonization treatment and UV-ray sterilization so as to obtain the deep-purified drinking water.

The invention discloses a water purification device for drinking water, which comprises a machine body and a water inlet. The water purification device and the water intake device are arranged in the body. There is a through groove on the water rack, and a water intake plate with a storage tank is slidably connected in the through groove. The left and right side walls of the water intake tank are equipped with a first connection groove and a second connection groove. The water purification device includes a filter core And a fixed frame, the fixed frame is made of a fixed plate, a telescopic rod and a collar, the telescopic rod connects the fixed plate and the collar, the fixed plate is fixed on the top of the water purification chamber, and the collar is set on the filter core. According to the movable first water receiving frame and the second water receiving frame, the present invention can effectively adjust the water intake position of the water intake device, so as to facilitate the placement and water intake of different water intake containers, and fix the filter core body through the fixing frame to reduce the impact of external impact on the filter core. The damage caused by the filter core prolongs the service life of the filter core.

The invention discloses a full-automatic pot-type pipe network differential pressure compensation energy conservation water supply plant. The full-automatic pot-type pipe network differential pressure compensation energy conservation water supply plant is mainly composed of a flow regulating valve, a flow stabilization compensation tank, a negative pressure eliminator, a first water pump, a second water pump and a control cabinet; the flow stabilization compensation tank comprises a three-cavity horizontal type structure formed by a flow stabilization cavity, a water storage cavity and a high-pressure energy storage cavity; an installation opening is formed in the top of the high-pressure energy storage cavity, a water level sensor is installed in the installation opening in a matched mode, and a breathing pipe is further connected to the installation opening; and a connecting pipe is arranged on a water distribution pipe so as to be connected with a water storage opening of the flow stabilization compensation tank. The full-automatic pot-type pipe network differential pressure compensation energy conservation water supply plant has the beneficial effects that the advantages of being compact in structure, small in occupied land, convenient to install and maintain, sanitary in water quality and the like are achieved; in addition, differential pressure compensation adjustment on the insufficient tap water inlet amount can be carried out through the water storage cavity, the adjusting volume is increased, and the water supply safety is improved; meanwhile, the high-pressure energy storage cavity can still guarantee normal water supply and achieve the energy-saving effect during small-flow pump stopping; and the high-pressure energy storage cavity can conveniently conduct automatic air compensation.