31results about How to "Improve water production capacity" patented technology

The invention discloses a high-efficiency environment-friendly desalted water production method. According to the method, a raw water pool, a high-efficiency double-chamber cation bed, a decarbonization device, a high-efficiency double-chamber anion bed and a desalted water tank are sequentially connected by pipelines, wherein a high-efficiency fiber filter is arranged on a connecting pipeline between the raw water pool and the high-efficiency double-chamber cation bed, an intermediate water tank is arranged at the lower part of the decarbonization device, a water outlet of the intermediate water tank is connected with a water inlet of the bottom of the high-efficiency double-chamber anion bed, a water outlet at the top of the high-efficiency double-chamber cation bed is connected with an acid regeneration system, a water outlet at the top of the high-efficiency double-chamber anion bed is connected with an alkali regeneration system, and the waste liquor in the high-efficiency double-chamber cation bed, the high-efficiency double-chamber anion bed is connected to a neutralizing water tank through a pipeline, the desalted water in the desalted water tank is delivered outside to users, the water outlet of the desalted water tank is respectively connected with the acid regeneration system and the alkali regeneration system by a pipeline. According to the technology, the high-efficiency fiber filter, the high-efficiency double-chamber cation bed and the high-efficiency double-chamber anion bed are adopted, and novel fiber packing is used, so that the internal water supplementing mode, the resin ratio and the resin filling and regeneration mode of the double-chamber bed equipment are improved.

The invention provides a membrane distilled water treatment system and method which are combined with a solar concentrating photovoltaic photo-thermal technology. The membrane distilled water treatment system comprises a solar concentrating photovoltaic photo-thermal system, a membrane distilled water treatment system body, a thermal storage and power storage system and a heat exchange system, thesolar concentrating photovoltaic photo-thermal system and the membrane distilled water treatment system body are organically combined through the two-stage heat exchange system, a two-stage heating device is designed to achieve the efficient and reasonable heat and power output of the concentrating photovoltaic photo-thermal system, and the efficient storage of solar energy is achieved through atwo-stage energy storage system. The system can still run normally at night by utilizing the stored thermoelectric power to achieve the purpose of maximally utilizing the solar energy. The membrane distilled water treatment system and method which are combined with the solar concentrating photovoltaic photo-thermal technology have the advantages that the comprehensive utilization rate of the solarenergy is higher, the utilization rate of the raw water is higher, more fresh water is obtained, the efficiency is high, the cost is low, and the application prospects are wide.

The invention discloses a membrane treatment process device and a processing method thereof. The device comprises a low-energy-consumption micro-nano bubbling water generating device, a water inlet pipe, a bottom valve, a raw water pool, a one-way valve, an ultrafiltration water inlet pipe and an ultrafiltration membrane module. The device has the advantages that the adopted low-energy-consumption micro-nano bubbling water generating device substitutes a membrane process water inlet centrifugal pump process, so that membrane water inlet is not merely water but is micro-nano bubbling water containing a great number of micro-nano bubbles, a great number of micro-nano bubbles exist in the bubbling water, scaling substances cannot adhere easily, original scaling substances are even gradually peeled by the micro-nano bubbles, chemical agents such as antisludging agents do not need to be added, back-flushing is not needed, the service life of a membrane is greatly prolonged, water producing capability is enhanced, air inflow amount is adjustable, the vapor-liquid ratio can be adjusted to 20-100%, by means of the one-way valve, the bubbling water cannot backflow from the ultrafiltration membrane module, it is guaranteed that the water pressure in the ultrafiltration membrane module is stable, and the filtering effect of the ultrafiltration membrane module is guaranteed.

The invention relates to a horizontal MVC evaporator. The horizontal MVC evaporator comprises a cylinder body, a condenser and a raw water inlet, wherein a first-level evaporation chamber, a second-level evaporation chamber and a third-level evaporation chamber are arranged in the cylinder body and are connected in series side by side and are respectively provided with multiple rows of horizontally arranged evaporation pipes. According to the horizontal MVC evaporator, by virtue of a horizontal pipe falling film evaporator, a system is only operated by virtue of an electrically driven vapor compressor, and except the vapor compressor, operation parts of the MVC evaporator are extremely few, so that the operation is simple, the operation energy consumption is low, and high-purity deionized water can be produced with low cost; the horizontal MVC evaporator can be applied to industries of factories, power stations, oil fields and the like which need to consume a large amount of high-purity deionized water; by virtue of the process, a stable, reliable and long-term boiler feed water source can be provided.

The invention discloses a fine desalination duplicate bed which can solve the problem of cross contamination in the regeneration of a mixed bed. The duplicate bed comprises a cation bed and an anion bed, and the water outlet pipe of the cation bed is communicated with the water inlet pipe of the anion bed. The barrel body of the cation bed is internally provided with a water inlet device, a first strong acid resin layer, a perforated plate hydrophobic device, a polystyrene-divinybenzene copolymer packing layer, a second strong acid resin layer and a drain device in sequence from top to bottom, and the top of the barrel body is provided with an exhaust device. The barrel body of the anion bed is internally provided with a water inlet device, a first strong base resin layer, a perforated plate hydrophobic device, a polystyrene-divinybenzene copolymer packing layer, a second strong base resin layer and a drain device in sequence from top to down, and the top of the barrel body is provided with an exhaust device. The water after the pre-desalination enters from the water inlet of the cation bed, and then enters the anion bed after exchanging ions with the strong acid resin to perform the ion exchange with the strong base resin, thereby achieving the purpose of fine desalination.

The invention discloses a solar distillation unit and a distillation method. The solar distillation unit comprises a water drawing cavity, an evaporation and condensation cavity and a solute-containing water cavity which are sequentially arranged from left to right. The upper ends of the evaporation and condensation cavity and the solute-containing water cavity are connected with the bottom of a sunlight heat absorption device. Hydrophilic material layers which are communicated with each other are arranged between the upper end of the evaporation and condensation cavity and the bottom of the sunlight heat absorption device and in the solute-containing water cavity. A cavity body of the evaporation and condensation cavity is filled with gas of which the molar mass is smaller than that of water molecules. A water drawing device is arranged in the water drawing cavity, the left ends of the hydrophilic material layers are communicated with the water drawing device, and a through hole formed in the left side wall of the water drawing cavity is connected with the output right end of a planar fluorescent condenser. The lower end of the evaporation and condensation cavity is connected witha pipeline for outputting condensate. The water drawing device in the distillation unit is optimized, and efficient distillation is achieved; and large-scale production is facilitated.

The invention discloses circulating clarification equipment. The equipment comprises a cylindrical clarifying barrel, wherein a flow guide barrel, wherein a flow dividing barrel, a flocculation barrel and a flow pushing barrel are coaxially arranged in the clarifying barrel, and the diameters of the flow guide barrel, the flow dividing barrel, the flocculation barrel and the flow pushing barrel are sleeved from small to large; wherein the shunting cylinder is arranged above the guide cylinder, and both the shunting cylinder and the guide cylinder are arranged in the flocculation barrel; the lower part of the flocculation barrel is sealed by an arc-shaped bottom, and windows communicated with the plug flow barrel are uniformly formed in the circular side wall of the upper part in a surrounding manner; stirring blades are arranged in the guide cylinder and are fixed on the inner side wall of the flocculation barrel through a plurality of connecting plates on the outer side wall. According to the circulating clarification equipment, a coaxial five-cylinder layout structure is adopted, the annular water passing channel can be formed on the periphery of each cylinder. Compared with a pipeline or a single-side water passing structure of a rectangular pool in the prior art, the annular water passing channel has the largest water passing sectional area under the same volume and highest water production capacity per unit volume, and the energy consumption per unit water yield can be controlled to be lower.

The invention relates to a horizontal flow precipitation water collecting device, which comprises a device body and a water outlet ditch, wherein the device body is a cuboid structure, the water outlet ditch is arranged on the outer wall of the device body, a rectifying wall and a water collecting assembly are arranged in the device body, the water collecting assembly comprises a perforated watercollecting pipe, a water outlet pipe and a water outlet control gate, the perforated water collecting pipe is connected to one end of the water outlet pipe, the other end of the water outlet pipe extends into the water outlet ditch, the water outlet control gate is connected to the end, extending into the water outlet ditch, of the water outlet pipe through a pipeline, and a gap is formed in the connecting position of the pipeline and the water outlet pipe. Compared with the form of the water collecting groove, the device of the invention substantially reduces the water collecting area, so that the proportion of the effective precipitation area of the precipitation pond is large, and the load rate of the existing horizontal flow precipitation is obviously improved so as to improve the water production capacity of the system.

An apparatus for washing the iron-poisoned ion exchange resin is composed of ion exchanger, acid tank, chemical dissolving bath, and circulating pipeline with cut-off valve and acid-resistant pump. Its washing process includes preparing chemical solution with proper concentration, washing and rewashing.

The invention discloses a spiral-wound membrane cleaning method for water treatment. The spiral-wound membrane cleaning method comprises the following steps: S1, preparing a cleaning solution; s2, heating the cleaning liquid; s3, performing low-flow circulation; s4, performing sectional cleaning, namely performing second-section reverse cleaning on the membrane device, performing first-section reverse cleaning on the membrane device, performing second-section forward cleaning on the membrane device, performing first-section forward cleaning on the membrane device, and observing circulating flow; s5, performing low-pressure flushing, performing valve switching on the first section of the membrane device and the second section of the membrane device, performing flushing by using a low-pressure flushing system, and performing standby application or commissioning after qualification; and S6, discharging the cleaning liquid, namely discharging the effluent of the security filter to a cleaning waste liquid pool, emptying the cleaning liquid in a cleaning water tank and a pipeline to prepare for next cleaning, and when the liquid level in the cleaning waste liquid pool is too high, sending the effluent to other devices for treatment. According to the scheme, a reverse and forward sectional switching cleaning method is adopted, the spiral-wound membrane element water passing channel is cleaned more effectively, and the cleaning effect is improved.