8results about How to "Control dwell time" patented technology

The utility model discloses a cyclone type chlorine dioxide generator, including generator body, the bottom of generator body is provided with raw material adding opening, and raw material adding opening out installs liquid inlet structure, the liquid inlet structure includes for inner tube and the outer tube of setting in the outer portion of inner tube, the upper end of inner tube is closed, and the lateral wall on inner tube is equipped with liquid inlet hole, and the lower end of inner tube is used for adding hydrochloric acid, the lower end of outer tube is closed, and the lateral wall on outer tube is vertically installed with liquid adding pipe, and liquid adding pipe is used for adding sodium chlorite, and the upper end of outer tube is linked with raw material adding opening. The utility model can make the reaction raw material in the joining place of reactor and the reaction zone subarea realize raw material's quick double full mixing, improve the reaction rate, make the reaction more fully, can provide sufficient diffusion space for the reaction liquid of heated expansion simultaneously, control the residence time of reaction liquid in generator, reduce the production of byproduct such as sodium chlorate, improve the conversion rate of sodium chlorite, guarantee the high yield of ClO2.

The utility model belongs to the technical field of pot seedling transplanters, and particularly relates to a linkage type seedling taking device of a transplanter, which comprises an upper seat plate, a seedling taking claw support is slidably mounted on the bottom surface of the upper seat plate, a seedling taking claw component is slidably mounted on the seedling taking claw support, and the sliding directions of the seedling taking claw support and the seedling taking claw component are perpendicular to each other. The seedling picking device is characterized in that a support driving air cylinder is installed on the front side of the seedling picking claw support, a swing driving air cylinder is installed at the bottom of the seedling picking claw support, the structure of a driving device is simplified, the power transmission efficiency is improved, the daily maintenance cost is reduced, and the seedling picking device has high environment adaptability.

The utility model discloses a kind of highland barley roasting machines, it is related to highland barley roasting field, including primary roasting unit, secondary roasting unit and tertiary roasting unit, the primary roasting unit includes electric hot plate, primary roasting pan and primary scraping mechanism, the primary roasting pan bottom is annular, the secondary roasting unit includes electric hot plate, secondary roasting pan and secondary scraping mechanism, the tertiary roasting unit includes electric hot plate, tertiary roasting pan and tertiary scraping mechanism, the tertiary roasting pan is annular, the tertiary scraping mechanism can promote highland barley to fall from tertiary roasting pan inner ring place, by the synergistic effect of tertiary classification heating and tertiary scraping mechanism, the drawbacks caused by traditional equipment due to single constant temperature roasting are solved, avoid the problem of scorched paper caused by insufficient heating at highland barley front end, excessive heating at rear end, finally make highland barley overall heating more uniform, not only reduce energy consumption, also significantly improve roasting efficiency and finished product qualification rate.

The utility model provides a drying device for drying sludge by using waste oil, which relates to the technical field of sludge treatment devices and comprises a wet sludge conveyor inserted into a frying and drying tank, a molding plate is welded at a discharge port of the wet sludge conveyor, a round hole is formed in the surface of the molding plate and communicated with a connecting pipe, and the diameter of the connecting pipe is the same as that of the round hole. The end, deviating from the molding plate, of the connecting pipe is connected with a feeding port of a drying screw conveyor, and the drying screw conveyor penetrates out of a discharging port of the frying and drying tank and is arranged above the dry sludge bin; the technical problems that in the prior art, the drying period is long, cooperative treatment with waste oil is not achieved, and resources are wasted are solved, and the technical effects that energy consumption is reduced, drying time is shortened, sludge and waste oil are synchronously treated, and resources are cooperatively utilized are achieved.

The application discloses a kind of continuous flow photocatalytic decarboxylation preparation biological hydrocarbon method, belong to the technical field of biofuel preparation.The method includes the following steps: high fatty acid compound, hydrogen atom transfer catalyst and acridine photocatalyst are dissolved in organic solvent, and mixed solution is obtained;The mixed solution is passed into circulating continuous flow light reactor, and photocatalytic decarboxylation reaction is carried out at room temperature for 12-24 hours, and reaction liquid is obtained;Reaction liquid is separated by reduced pressure distillation, and the biological hydrocarbon compound after decarboxylation is obtained.The application uses continuous flow light reactor to strengthen mass transfer and heat transfer efficiency, solves the problem that light penetration depth is limited in traditional batch photoreactor, and reaction is not uniform;Metal-free catalytic system is used, and the use of noble metal and potential residual risk is avoided.The method has mild reaction condition, higher product yield, good atom economy, and for unsaturated high fatty acid, olefin configuration can be maintained before and after decarboxylation, and has good industrial application prospect.

This utility model relates to the field of projection head-up display technology, specifically a projection head-up display structure. It includes a windshield (1), an adhesive layer (2), and flexible glass (3). The flexible glass (3) comprises a glass layer (4) and a coating layer (5). The flexible glass (3) is bonded to the windshield (1) via the adhesive layer (2). The radius of curvature of the flexible glass (3) and the surface curvature error of the windshield (1) are ≤0.3mm. The adhesive layer (2) is bonded to the inner surface of the glass layer (4) of the flexible glass (3), and the coating layer (5) is bonded to the outer surface of the glass layer (3). The projection head-up display structure of this utility model eliminates the need for a rear shell, reducing material and processing costs. It can cover the curved surfaces of windshields of different vehicle models and has advantages such as low processing and bonding difficulty, strong maintainability, and wide adaptability.

The application discloses a kind of based on continuous production silicon-carbon negative electrode material of gas deposition method system and method, characterized by including from top to bottom sequentially connected first silane gas deposition reactor, second silane gas deposition reactor, reaction product spiral air cooler and reaction product spiral water cooler, the top of first silane gas deposition reactor is connected with graphite feed bin, the bottom of reaction product spiral water cooler is connected with product bin;Hydrogen cylinder is connected with reaction product spiral air cooler and reaction product spiral water cooler respectively, nitrogen cylinder is connected with second silane gas deposition reactor and reaction product spiral water cooler respectively, silane cylinder is sequentially connected with the upper gas inlet of second silane gas deposition reactor by gas heat exchanger and gas preheater, the upper gas outlet of second silane gas deposition reactor is connected with the upper reflux port of first silane gas deposition reactor, advantage is to realize the uniform deposition of deposition source on substrate, and realize continuous production.

This application provides a catalyst calcination apparatus, comprising: a solid material system including a preheating chamber, a calcination chamber, and a cooling chamber arranged sequentially from top to bottom, each chamber equipped with a gas collecting ring pipe and a gas distributing ring pipe, and the three chambers being sealed in sections by isolation valves; a circulating gas system located outside the calcination chamber, used to transport reducing gases and water vapor to the calcination chamber through the gas distributing ring pipe; and a water vapor circulating waste heat system located outside the cooling chamber, used to recover waste heat generated by the materials in the cooling chamber and generate superheated steam which is sent to the preheating chamber through the gas distributing ring pipe. This application employs a sectioned sealing structure, utilizing gravity to achieve continuous production during the calcination process. The introduction of the circulating gas system and the water vapor circulating waste heat system fully utilizes the chemical composition and calorific value of the exhaust gas generated during calcination, reducing carbon dioxide and harmful gas emissions. This apparatus significantly improves thermal efficiency, is energy-saving and environmentally friendly, and is applicable to the field of catalyst production equipment technology.