46results about How to "High concentration factor" patented technology

A system, method and device are disclosed for bio-processing a feed stream and providing a constant output by operating a continuous single-pass tangential-flow process. The single-pass process provides high conversion concentration while operating at relatively low feed flow rates, and the process can also be used to provide constant output diafiltration.

The invention discloses a concentrating photovoltaic power generation device which comprises a condenser lens, a light barrier, a secondary optical element, a concentrator solar cell, a radiator and a shell, wherein the condenser lens is spliced at the upper end of the shell by sealing glue; the light barrier is positioned under the condenser lens and connected with a box body into a whole; the light barrier is evenly provided with light holes, a uniform light optical element is positioned just under the light holes, the secondary optical element is spliced on the surface of the concentrator solar cell by light guide glue, the concentrator solar cell is spliced on the radiator by heat conduction glue, and the radiator is fixed on a bottom plate of the shell. Compared with the prior art, the concentrating photovoltaic power generation device has the characteristics of high condensation multiplying power and conversion efficiency, rapid heat dissipation, small land occupying area and effectively reduced cost.

The invention addresses the area utilization and capital efficiency of systems for converting solar energy into electricity. A solid-state solar system includes photovoltaic and thermoelectric or thermionic cells. The system can be implemented in various configurations and by a solar insolation flux collection and concentration method to improve the area utilization and solar-to-electricity conversion efficiency. A thermal expansion matched multilayer board is also used to withstand ultra high concentration of solar insolation flux.

A process for treating wastewater or waste brines that include sodium and chloride ions. The waste brine is concentrated and thereafter directed to a Mirabilite crystallizer that produces hydrated sulfate salt crystals and a first solution. The hydrated crystals are melted to form an aqueous sulfate solution that is directed to a sodium sulfate crystallizer which produces sodium sulfate salt crystals. The first solution produced by the Mirabilite crystallizer is directed to a nanofiltration device which produces a permeate stream and a reject stream containing sulfate removed by the nanofiltration device. The permeate stream is directed to a sodium chloride crystallizer that produces sodium chloride salt crystals. The reject stream is recycled to the Mirabilite crystallizer.

The invention discloses an environment-friendly microalgae collecting method. According to the method, microalgae is cultured into the concentration of 0.5 g/L-1.5g/L in a microalgae bioreactor, 80% of a microalgae culture solution is transferred into a flocculation reaction tank through a pipeline or a pump, a cationic starch solution with a substitution degree of 0.15-0.45 is added into the microalgae culture solution and is taken as a flocculating agent, the wet to dry weight ratio (w/w) of a cationic starch mass to the microalgae in the solution ranges from 0.01 to 0.20, the microalgae culture solution is stirred for 5-10 minutes at the rotation speed of 200 r/min to promote the microalgae to flocculate, the microalgae culture solution is subjected to static settlement for 10-30 minutes, a sedimentary microalgae concentrated solution is collected, and a liquid supernatant is circularly used for re-cultivating the microalgae. According to the environment-friendly microalgae collecting method, the cationic starch solution is taken as the flocculating agent, so that the method has the characteristics of non-toxicity, economy, environmental protection, high flocculation efficiency and the like, flocculated microalgae is dense, the enrichment factors are high, original biological characteristics of the microalgae can be better kept, and the microalgae can be directly used in the fields of food, feed, biodiesel and the like.

The invention provides a solar concentration generating set, wherein an optical collector is composed of at least one similar plane reflecting mirror light concentration unit, wherein the similar plane reflecting mirror light concentration unit is composed of a similar plane basement and a plurality of plane reflecting mirrors which are installed on the basement, each plane reflecting mirror is respectively provided with certain inclined direction and angles corresponding to the similar plane basement, each plane reflecting mirror can converge incident sunlight on the outer surface of a sunlight receiver, and the sunlight which is converged on the outer surface of the sunlight receiver has a shape which is basically corresponding with the outer surface of the sunlight receiver. The optical collector in the solar concentration generating set of the invention is composed of a plurality of similar plane reflecting mirror light concentration units, the disassembly is easy, simultaneously, and the precision demands to a tracker are not high, which is convenient for system upgrade and improvement.

The invention relates to a photoelectrical conversion module of a concentrating photovoltaic system, which belongs to the technical field of solar utilization technique. The photoelectrical conversion module mainly comprises a strip-like lens array (19), a silicon battery (10), a flexible electrode (18), a conductive heat dissipation metal component (13), etc. The photovoltaic battery cell (10) has a strip shape, and the flexible contact electrode (18) with larger contact surface and the conductive heat dissipation metal component (13) with electrical conduction and heat dissipation functions are packaged on both sides of the upper surface of the photovoltaic battery cell (10) in a contact manner. The strip-like condensing lens array (19) is used for condensing parallel beams vertical to the upper surface, and the beams irradiate the region between two flexible electrodes on the surface of the photovoltaic battery cell after being condensed and diverged for one time. Continuously reflected by an upper space with a reflection layer, the most of the light beams are absorbed by the photovoltaic battery cell. The metal component (13) can transfer the heat of the photovoltaic battery cell (10). The solar battery assembly having the structure has smaller size and larger condensation multiple.

The invention provides a rotary solar concentrating method based on the Cassegrain reflection principle and relates to an adjustable high-power solar concentrating method. The rotary solar concentrating method is used for solving the problems of the currently existing solar concentrating systems that the light path control and the arrangement of a receiving face are not flexible enough. The method comprises the steps: establishing a concentrating system, wherein a secondary mirror and a primary paraboloid are enabled to share a focus, and the receiving face is arranged at the conjugate focus of the secondary mirror; enabling the secondary mirror to revolve around the primary paraboloid, solving the structural parameters of the secondary mirror according to a position where the receiving face is required to be arranged, and meanwhile, solving the maximum of a revolving angle of the secondary mirror around the primary paraboloid based on the principle of geometrical optics in the case that the condition that the secondary mirror can receive all concentrated light of the focus is guaranteed; adjusting the receiving face and the primary paraboloid in the range of the maximum of the revolving angle of the secondary mirror around the primary paraboloid, so as to enable the receiving face of the concentrating system to receive concentrated energy flow in real time. The secondary mirror is a hyperboloid or semi-ellipsoidal concave face. The rotary solar concentrating method is applied to solar high-power energy flow concentrating.

The invention addresses area utilization and capital efficiency of systems for converting solar energy into electricity. A solid-state solar conversion system includes photovoltaic cells which are arranged within a concentrated solar insolation flux path on different substrates/boards to collect different respective portions of the radiation spectrum.

The invention relates to a solar energy collecting and light condensing method and a solar energy collecting and light condensing device. Solar light rays are collected by adopting the solar energy collecting and light condensing device which is formed by connecting a plurality of vitreous box body units with the same structures in series in a parallel way; the surfaces of main components of the vitreous box body units are all coated with high-light-reflecting layers; and the solar light rays are gathered and straightened for many times in the device, and then, are directly transmitted to or enter a master light guide pipe or a light guide fiber bundle through a light guide pipe, and finally, are conveyed to a user. Each box body unit of the adopted collecting and light condensing device respectively consists of a light-transmission cover plate, a light straightening machine, a light guide plate, a secondary light straightening machine, the light guide pipe and a box body. The solar energy collecting and light condensing method provided by the invention is novel in conception and is easy to implement; the adopted collecting and light condensing device is simple in structure and reasonable in design, and is reliable to work; the light rays are absorbed by the arc-shaped light-transmission cover plates; a solar energy tracker and a hot-water system which are complicated in structure are omitted by utilizing the light guide pipes to transmit the light rays, so that the cost, the use difficulty and the failure rate can be reduced; the solar energy collecting and light condensing method and the solar energy collecting and light condensing device can be applied to a plurality of aspects on energy utilization; and the great convenience is brought to the life and the production of people.

Provided is a solar cell assembly gathering light in a triangular mode. The solar cell assembly comprises an assembly framework, a photovoltaic cell assembly, a reflecting board, a pressing strip, and photovoltaic cell boards. The solar cell assembly is characterized in that the photovoltaic cell boards are arranged in the photovoltaic cell assembly at intervals in a composite mode, the assembly framework wraps the photovoltaic cell assembly, the reflecting board is arranged at the interval position of the photovoltaic cell boards on the photovoltaic cell assembly, the pressing strip is pressed on the face of the reflection board, and the pressing strip is fixed on the face of the assembly framework through a fixing piece. A tracker installation board supports the assembly framework from the bottom of the assembly framework. Compared with the prior art, the solar cell assembly has the advantages of being not high in manufacture requirement, low in technical difficulty, and high in light-gathering multiple and the like, saves the photovoltaic cell boards by 2/3, achieves light-gathering effects of three times, improves generation efficiency by 2.6 times, accordingly cost of the photovoltaic cell assembly is reduced, and non-renewable resources are saved in the production process of photovoltaic cells.

The invention relates to an L-section type concentrating photovoltaic battery chip, and belongs to the technical field of solar photovoltaic power generation. The L-section type concentrating photovoltaic battery chip comprise a negative electrode section layer, a concentrating photovoltaic battery base material layer, a positive electrode layer and an active area; one surface of the concentrating photovoltaic battery base material layer is coated with the negative electrode section layer while the other surface is coated with the positive electrode layer; and the part except the negative electrode section layer is the active area. By adoption of the battery chip, the usage amount of the concentrating photovoltaic battery base material can be greatly reduced, so that the manufacturing cost of the concentrating photovoltaic battery chip can be lowered; along with the increasing of concentrating times of a lens, the electrode section width can be improved; meanwhile, by adjusting an electrode into the electrode section, the unchanged property of the light-receiving area is maintained, and the overall power generation efficiency of the concentrating photovoltaic system is not reduced; and by improving the width of the negative electrode section, it is ensured that after the amplifying times of the lens is improved, the concentrating light can be converted into high-current electric energy which can be smoothly conducted through the negative electrode section.