44results about How to "Improve photothermal efficiency" patented technology

A power generation system, including: a solar energy concentration system, a biomass gasification device, a gas-powered generator, a steam turbine, a steam-powered generator. The solar energy concentration system is connected to a solar energy heat exchange system. The biomass gasification device is connected to the gas-powered generator. The gas outlet of the gas turbine is connected to the gas exhaust heat system. The second steam outlet of the gas exhaust heat system is connected to the second and the third cylinders of the steam turbine. The first steam outlet of the gas exhaust heat system and the steam outlet of the solar energy heat exchange system are connected to a steam mixing regulating system. The mixed steam outlet of the steam mixing regulating system is connected to the first cylinder of the steam turbine.

An in-situ hydrogel composition using nanomicelle as a crosslinking agent and its application. The invention discloses an in-situ hydrogel composition and application suitable for local co-delivery of macromolecular drugs and / or small molecular drugs. Using functionalized micelles as insoluble small molecule solubilization carriers and cross-linking hydrophilic polymer hydrogel framework materials to construct network-like three-dimensional hydrogel structures to achieve locally controlled release of small molecule drugs and biomacromolecular drugs . The in-situ hydrogel composition of the present invention realizes local controllable delivery of small-molecule drugs through the terminal-functionalized micelles as solubilization carriers for insoluble drugs, and the functionalized terminal groups are used as cross-linking agents for hydrogels, Cross-linking with chain-like hydrophilic polymer materials modified by side chain functionalization to construct a hydrophilic network three-dimensional gel structure. Local administration of small molecules for photothermal therapy can effectively improve the photothermal efficiency of photothermal agents and the photothermal stability after repeated irradiation, and can be used in adjuvant therapy after tumor surgery.

The invention discloses a polypeptide-croketocyanine dye conjugate with variable morphology and its preparation method and application. The polypeptide-dye conjugate comprises a hydrophilic functional peptide segment and a hydrophobic croketocyanine dye segment and the spacer molecule Ahx used to connect the hydrophilic functional peptide segment and the hydrophobic dye segment, wherein the hydrophobic dye segment contains a shape adaptation unit that can realize shape transformation, and the polypeptide-dye conjugate The shape transformation can occur through the specific recognition or interaction of the shape transformation drive unit and the shape adaptation unit, and the self-assembly of the peptide-crotonate cyanine dye conjugate under polar conditions forms a nanoparticle with stable structure, and Under the specific action of the shape transformation driving unit, the morphology of nanofibers is transformed, and the transformation of the morphology can effectively improve the photothermal conversion performance of the croconic acid cyanine dye, and realize the synergistic treatment of photothermal and chemotherapy to further improve the tumor inhibition effect. It has a good application prospect in tumor therapy.

The invention relates to a natural gas buried pipe anti-frost heaving system combining solar energy and geothermal energy. The natural gas buried pipe anti-frost heaving system comprises a pipe heat exchange device, a solar heat collecting device and a ground source heat pump. The pipe heat exchange device is composed of a natural gas buried pipe and a heat exchange medium channel used for exchanging heat with the natural gas buried pipe. The two ends of the heat exchange medium channel are connected with a main heat exchange medium pipeline, and a first branch pipe and a second branch pipe are connected to the main heat exchange medium pipeline in parallel. The first branch pipe is provided with the solar heat collecting device, and the heat exchange branch pipe is provided with the ground source heat pump. Compared with the prior art, the solar heat collecting device and the ground source heat pump are reasonably combined, and the win-win situation that the natural gas buried pipe is effectively protected against frost heaving, renewable energy sources are fully utilized, and high-grade electric energy consumption is reduced can be achieved; moreover, the environmental benefits of the natural gas buried pipe anti-frost heaving system are remarkable, long-distance heat conveying is not needed, and the basic national policy of saving energy and reducing emission of China is met; and the natural gas buried pipe anti-frost heaving system has good energy saving space and higher practical value.

The invention relates to a disc Stirling engine heat collector port heat shield device and application thereof in solar power generation. The disc Stirling engine heat collector port heat shield device comprises a cylindrical heat collection cavity formed by heat-insulation components, wherein the bottom of the heat collection cavity is sealed; the inner side of the bottom is provided with a heat absorption component; the mouth of the heat collection cavity is formed by the butt joint of the small ports of two cone-shaped bodies; a big port of the cone-shaped body on the inner side is connected with the heat collection cavity; the junction of the small ports of the two cone-shaped bodies is provided with a round heat shield to seal the heat collection cavity, wherein the round heat shield is used for reflecting sunlight which enters the heat collection cavity but is not absorbed, and the convective heat exchange of a heat collector and atmospheric environment is inhibited. The reflection to the radiation energy of the heat collector is effectively enhanced, the convective heat exchange of the heat collector and atmospheric environment is completely inhibited due to the heat shield, lost heat from the heat collector port to external space can be effectively reduced, and the optothermal conversion efficiency of the engine heat collector is improved.

The invention discloses an automatic hydropower cleaning device for the outer walls of solar vacuum tubes. The device comprises a push-and-pull type cleaning assembly, a hydropower driving assembly and a water distribution control valve, wherein the push-and-pull type cleaning assembly consists of a plurality of cleaning heads and a horizontal beam; the hydropower driving assembly comprises two guide rods; an output mechanism for providing push-and-pull force for the horizontal beam, a telescopic water storage device for driving the output mechanism, and an elastic mechanism are arranged on each guide rod; the telescopic water storage devices are capable of providing clean water for the push-and-pull type cleaning assembly; a water distribution control valve enables the water to flow into the telescopic water storage devices for water storage and energy storage, and enables the telescopic water storage devices to be communicated with the push-and-pull type cleaning assembly so as to provide cleaning water for the cleaning heads. According to the hydropower automatic cleaning device, through utilizing the pressure of tap water for providing power as well as the ingenious design for controlling the working state, the use of electronic devices is avoided, the consumption of electric energy is not needed, and the device is convenient for mounting, and safe to use, and moreover, as the methods of water washing and movable wiping are adopted for performing cleaning on the outer walls of the vacuum tubes, the device is high in cleaning efficiency and good in effect.

The invention discloses a solar tracking interconnection robot. The solar tracking interconnection robot comprises a driving mechanism, azimuth tracking transmission mechanisms and elevation angle tracking transmission mechanisms (7); the driving mechanism is connected with the azimuth tracking transmission mechanisms through a coupling (4), an interconnection shaft (6) and a bearing seat (5); the driving mechanism comprises a motor (1) and a speed reducer (2); each azimuth tracking transmission mechanism comprises a turbine worm-gear speed reducer (3), a main column tube seat (19), a main column (9) as well as a bracket main shaft (11) and a main bracket (16) which are arranged on the main column (9); and each elevation angle tracking transmission mechanism includes a sliding block (700), a sliding head (701) and an elbow guide rail (702). When the concentration ratio of a solar concentrator which has a V-shaped profile and is composed of a main bracket, a photothermal and light reflection bracket and the like is 2, the solar power generation and generated output of unit-area photovoltaic and photothermal assemblies of the solar tracking interconnection robot can be improved by 100%.

The invention belongs to the technical field of optical nano probe, and in particular, relates to a photoluminescence-photothermal nano composite structural material and a preparation method and an application thereof. The composite structural material takes a rare earth fluoride as a core and is a core-shell structural nano material with the exterior wrapped with an organic photothermal substance layer; the material generates 800-1200 nm near infrared fluorescence emission under excitation by a 700-1000 nm near infrared laser, the photo-thermal substance layer can convert optical energy into heat energy to achieve photothermal therapy of tumor. During use, the probe temperature is monitored while the probe performs photothermal therapy; furthermore, the probe is co-incubated with tumor cells or is injected into tumor mice through veins, and high-resolution cancer photothermal therapy and simultaneous optical temperature monitoring can be achieved. The invention provides an effective temperature monitoring tool for photothermal therapy, the damage to normal tissues in tumor thermotherapy can be reduced, and significant application prospects in the field of biomedicine are achieved.