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78results about How to "Use efficiently" patented technology

Offline integral exchange method and system based on two-dimensional code

The invention provides an offline integral exchange method and a system based on a two-dimensional code. An integral user selects a goods and the goods is added to a cart; settlement in the cart is carried out, and the integral is adopted to exchange a goods; a goods picking two-dimensional code of the order is acquired; and in the case of goods picking, the goods picking two-dimensional code is scanned for cancel after verification and goods picking. The user can enter an integral mall home page through a WeChat end or an APP end, "I want to exchange" is selected, a nearby shop can be positioned and searched directly through LBS, the nearby shop is entered, the purchased goods is selected to be added to the cart, integral settlement in the cart is directly carried out, and two-dimensional code scanning is carried out in the shop for cancel after verification and goods picking. In the case of shopping, compared with the traditional mall exchange mode, a wider goods picking mode is also provided, both online goods picking and offline goods picking can be realized, in the case of offline goods picking, the goods picking two-dimensional code only needs to be scanned for cancel after verification, the integral exchange behavior of the time is completed, cancel channels in multiple aspects can be provided for the integral user, and the integral can be effectively used.
Owner:CHINA TOBACCO GUANGXI IND

System and method for efficiently generating power from steam

The invention discloses a system and a method for efficiently generating power from steam. The system comprises a first power generation system and a second power generation system; each first power generation assembly comprises a steam expansion machine and a first power generator, steam with pressure is filled into inlets of the steam expansion machines of the first power generation system, and the steam expansion machines drive the first power generators to generate the power by the aid of the steam with the pressure; each organic Rankine cycle system comprises a condenser, a liquid pump, an evaporator, a first expansion machine and a second power generator, and the condenser, the liquid pump, the evaporator and the second expansion machine are sequentially connected with one another to form a cycle; and the second expansion machines drive the second power generators to generate the power by the aid of steam from the first power generation system. The system and the method for efficiently generating the power from the steam have the advantages that the expansion machines drive the power generators to generate the power by the steam with pressure at first, then the steam discharged from the expansion machines is utilized to generate the power again by the aid of each OCR (organic Rankine cycle), accordingly, the steam with the pressure can be effectively utilized for generating the power, and the steam utilization rate is increased.
Owner:SHANGHAI POWER TECH SCREW MACHINERY

Solar focusing light and heat separation element

The invention relates to a solar focusing light and heat separation element. The solar focusing light and heat separation element comprises a light and heat separator, a solar cell panel and a solar heat collection plate, wherein the light and heat separator is an optical film coating cube; the solar cell panel is arranged below the lower surface of the light and heat separator; the solar heat collection plate is arranged outside the surface which is adjacent to the solar cell panel 2; and the light and heat separator is formed by gluing two right-angle triangular prisms, and an infrared reflection film is plated on the gluing surface. According to the solar focusing light and heat separation element, visible light and infrared light in a solar spectrum are separated by utilizing the light and heat separator, and the solar cell panel receives the transmitted visible light, and power generation can be performed by utilizing the solar cell panel; and the solar heat collection plate receives the reflected infrared light, so that the hot end of a temperature difference power generation element is heated, so that power generation is performed by temperature difference. By utilizing the solar focusing light and heat separation element, solar photovoltaic power generation and solar heat power generation can be combined, so that solar energy is utilized effectively.
Owner:陕西科林能源发展股份有限公司

Photovoltaic cell module and preparation methods thereof

The invention provides a photovoltaic cell module and preparation methods thereof. The photovoltaic cell module includes multiple photovoltaic cell units, multiple sets of reverse interconnected conductive strips and multiple sets of front interconnected conductive strips. The reverse interconnected conductive strips are ultra-thin and ultra-soft materials; the two ends of each reverse interconnected conductive strip are in overlapped joint with two adjacent photovoltaic cell units; each reverse interconnected conductive strip of the same set correspondingly covers the reverse electrode of thesame photovoltaic cell unit and extends to overlap with the front electrode of the adjacent other photovoltaic cell unit; and one end of each front interconnected conductive strip does not exceed theedge of the corresponding photovoltaic cell unit and communicates with the reverse interconnected conductive strip overlapped with the same front electrode, and the space between two adjacent photovoltaic cell units is less than or equal to 0.5 mm. Thus, the space between the photovoltaic cell units can be reduced, series connection without spacing can be realized, the space areas of the photovoltaic cell units can be effectively utilized, and therefore, light receiving areas can be equivalently increased, and power generation efficiency can be enhanced.
Owner:HANGZHOU JOY ENERGY TECH CO LTD

Energy efficient utilization and mining device and method based on geothermal exploitation well

ActiveCN108278787AEffective developmentUse efficientlyLighting and heating apparatusFluid removalGeothermal desalinationThermal protection
The invention discloses an energy efficient utilization mining device and method based on a geothermal exploitation well. The device comprises a thermal production well, a recharge well, a closure face layer on the left side of the thermal protection well and a multistage user system connected between the thermal protection well and the recharge well. The thermal production well comprises an inner-layer casing pipe and an outer-layer casing pipe, a sealing layer A and a sealing layer B are arranged between the outer-layer casing pipe and the inner-layer casing pipe, the inner-layer casting pipe at the bottom of the sealing layer B forms a backflow cavity, the left side wall of the backflow cavity is provided with an inflow face, the pipe body, located in the backflow cavity, of the inner-layer casing pipe is provided with a hole layer casing pipe, a dual pressure pipe is longitudinally arranged between the inner-layer casing pipe and the outer-layer casing pipe, the recharge well comprises a recharge outer casing pipe and a recharge inner casing pipe, a layer backflow cavity is formed between the recharge well outer casing pipe and the recharge inner casing pipe, the top of the layer backflow cavity is provided with a sealing layer C, the bottom of the recharge well inner casing pipe is provided with a through hole bottom ring, and the left side wall of the recharge well casingpipe at the bottom of the sealing layer C is provided with a primary jet pipe. Geothermal well resources are effectively mined and utilized.
Owner:HEBEI GREEN ENERGY GEOTHERMAL DEV CO LTD
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