Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

688results about How to "Increase evaporation rate" patented technology

Preparation method of biomass carbon material for solar evaporated water and application of biomass carbon material

The invention discloses a preparation method of a biomass carbon material for solar evaporated water and an application of the biomass carbon material. The method includes the steps: taking agricultural waste as a raw material, and performing crushing, screening and high-temperature carbonization on the agricultural waste to prepare the biomass carbon material; ultrasonically dispersing biomass carbon in distilled water or ethyl alcohol-water solution to obtain biomass carbon suspension, and performing vacuum filtration and drying on the suspension to obtain filter paper loaded the biomass carbon; placing the filter paper on a sponge wrapping polymer foam to obtain a solar thermal collector floating on the surface of water, and evaporating water by solar energy. According to the method, the biomass carbon material is low in cost and easy to acquire and serves as a photo-thermal conversion material, the polymer foam serves as a heat insulation material, water is conveyed by the sponge in middle, solar distilled water can be simply and rapidly acquired, the method solves the problems that an existing method is high in cost, complicated in preparation condition, low in photo-thermal conversion rate and the like when water is evaporated and purified by the solar energy, and the problem of pollution of agricultural waste can be relieved.
Owner:HEZE UNIV

Solar seawater desalination device and method based on light-absorbing boiling

The invention discloses a solar seawater desalination device and method based on light-absorbing boiling. The device includes a condensing lens, a lens bracket, a steam outlet, a condenser, a water feeding pump, a seawater pool, a fresh water collecting tank, a water feeding port, a concentrated brine discharge port, a distillation pool, to-be-distilled seawater, a light-absorbing material, and a glass partition plate; the condensing lens is fixed at the upper end of the distillation pool through the lens bracket; the upper end of the distillation pool is sealed through the glass partition plate; the top end of the distillation pool is equipped with the steam outlet, and the lower end of the distillation pool is equipped with the concentrated brine discharge port and the water feeding port; the water feeding pump allows the to-be-distilled seawater to successively pass through the condenser and the water feeding port from the seawater pool and then flow into the distillation pool; the to-be-distilled seawater in the distillation pool is covered with the light-absorbing material; the steam outlet is connected with the condenser and the fresh water collecting tank successively; incident light is condensed through the condensing lens, then is incident and penetrates through the glass partition plate, and is projected to the light-absorbing material. The device and the method adopt the principle of light condensing local boiling, take boiling gas production as the primary, combine and promote evaporation, and increase the production rate of fresh water.
Owner:ZHEJIANG UNIV

Heat-exchange tube

The invention discloses a heat-exchange tube and belongs to the field of heat enhancement of heat transfer and energy saving. The heat-exchange tube comprises a tube body and a helical fin group, wherein the helical fin is formed by a first helical fin, a second helical fin and a third helical fin, first grooves are formed on the upper portion of the first helical fin, helical fin top portions among the first grooves form first T-shaped fin platforms; second grooves are formed on the upper portion of the second helical fin, helical fin top portions among the second grooves form second T-shaped fin platforms; third grooves are formed on the upper portion of the third helical fin, and helical fin top portions among the third grooves form third T-shaped fin platforms. The heat-exchange tube is characterized a first distance between the top surfaces of the first T-shaped fin platforms and a fin root portion of the first helical fin is smaller than a second distance between the top surfaces of the second T-shaped fin platforms and a fin root portion of the second helical fin, the second distance is smaller than a third distance between the top surfaces of the third T-shaped fin platforms and a fin root portion of the third helical fin, and find grooves are formed in the spaces between the first helical fin and the second helical fin, the second helical fin and the third helical fin, and between the third helical fin and the first helical fin. By the aid of the heat-exchange tube, heat exchange efficiency for falling film evaporation is improved.
Owner:JIANGSU CUILONG PRECISION COPPER TUBE CORP

Method and device for efficient photo-thermal water evaporation

The invention discloses a method and a device for efficient photo-thermal water evaporation, belonging to the technical field of water evaporation. The device comprises a water conveying channel, a floating/heat insulation layer, a water-rich porous material layer, a water-poor porous material layer and a photo-thermal conversion material layer, wherein the floating/heat insulation layer floats the whole device on a water surface, connects a water body with the device through the strong water absorption characteristic of the water conveying channel and provides enough water for the device; thewater-rich porous material layer adopts a porous material layer with strong water absorption, so water can be dispersed into the water-rich layer from the water conveying channel and expanded to thewhole device; the water-poor porous material layer is a relatively weak water-absorbing material; and the photo-thermal conversion material layer is a material with high photo-thermal conversion capability. Water is subjected to one-step rapid water conveying and water dispersion through the water conveying channel and the water-rich porous material layer; then the amount of water in contact withthe photo-thermal material is further reduced through the water-poor layer; and finally, a trace amount of water can be locally and efficiently heated on the photo-thermal material, and a water evaporation rate is increased.
Owner:BEIJING UNIV OF TECH

Underground water multi-phase extraction restoration device and method

InactiveCN105253932AIncrease contact areaAvoiding Natural Media Heterogeneity ProblemsWater contaminantsContaminated soil reclamationProduct gasMulti phase
The invention discloses an underground water multi-phase extraction restoration device and method. The underground water multi-phase extraction restoration device comprises an underground well, water pumping equipment and gas extraction equipment, wherein the underground well comprises a main well and a plurality of inclined wells; the main well is arranged on the ground; the bottom of the main well is immersed into a pollution plume; the inclined wells are arranged at an aeration zone; the water pumping equipment comprises a water pumping pump, a water pumping pipe and a water pumping pump head; the water pumping head is arranged on the ground; the water pumping pipe is connected with the water pumping pump and extends into the region, immersed into the pollution plume, of the main well; the water pumping pump head is arranged in the part, immersed into the pollution plume, of the water pumping pipe; the gas extraction equipment comprises a gas extraction machine and a gas extraction pipeline; the gas extraction machine is arranged on the ground; one end of the gas extraction pipeline is connected with the gas extraction machine; the other end of the gas extraction pipeline is connected with a sub gas extraction pipeline extending deep into the inclined wells, wherein the water pumping equipment pumps underground water from the pollution plume; the gas extraction equipment extracts pollution gas onto the ground surface from the aeration zone; the restoration efficiency can be effectively improved; in addition, the pollution gas in the aeration zone in underground water pollution restoration process can be exhausted.
Owner:CHINESE RES ACAD OF ENVIRONMENTAL SCI

Spray evaporation treatment method and system for desulfurization wastewater flue

The invention discloses a spray evaporation treatment method and system for a desulfurization wastewater flue. The system comprises a smoke treatment system, a desulfurization wastewater spray evaporation system, a bypass flue system and an automatic control system, wherein the smoke treatment system comprises an air preheater, a flue, a demister, a dust remover, a desulfurization tower and a chimney; the desulfurization wastewater spray evaporation system comprises a settling tank, a water storage tank, a water pump, a heat exchanger and a spraying device; the bypass flue system comprises a bypass flue 1 and a bypass flue 2; the automatic control system comprises an actuator, a smoke acid dew-point instrument and a controller. A smoke inlet is formed in the wall surface of a flue of the desulfurization wastewater spray evaporation system, and an airflow protection layer is formed, so that the corrosion caused due to the splashing of acidic drops to the wall surface is prevented, meanwhile, the turbulence flow degree of a space is increased, and the evaporation is accelerated. The system is easy to process and manufacture, and low in investment cost, and the evaporation efficiency is greatly improved.
Owner:想莱(常州)节能科技有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products