35results about How to "Improve conversion utilization efficiency" patented technology

The invention discloses a fertilizing method for increasing the content of selenium in flaxseeds and a production method for flaxseeds. Micro element fertilizer containing selenium is selected as nutrient substance of selenium-rich flaxseeds, the fertilizing way is as follows: fertilizer spraying to leaf surfaces of flax before 11:00 Am and 15:00 Pm in a clear and calm weather, during the use, firstly, the micro element fertilizer containing selenium, with the dose recommended for 667 m<2>, is resolved by a little water, and then added with 30 kg water for stirring, and a sprayer is used for uniform spraying. The fertilizing amount, the fertilizing time, the fertilizing frequency and the fertilizing effect are as follows: in the green fruit stage of the flax, if 1000 ml to 1500 ml of micro element fertilizer containing selenium is sprayed for 667 m<2>, the content of the selenium in flaxseeds can reach 0.2 mg / kg to 0.3 mg / kg, if 2000 ml to 2500 ml micro element fertilizer containing selenium is sprayed for 667 m<2>, the content of the selenium in flaxseeds can reach 1.5 mg / kg to 1.8 mg / kg; and the micro element fertilizer containing selenium is sprayed for one time in each of the green fruit stage and the bud stage, 2000 to 2500 ml micro element fertilizer containing selenium is sprayed for 667 m<2>, and the content of selenium in flaxseeds can reach 2.1 to 2.9 mg / kg.

The invention discloses a heat pump type automatic vending machine in which goods storage and cooling and heating functions are separated. area and a room temperature storage area for supplementing goods to the variable temperature storage area, the variable temperature storage area includes a plurality of subunits, any subunit includes at least one cooling subspace and at least one heating subspace, and the cooling subspace and heating subspace The space is arranged alternately between cold and hot, and any cooling subspace is transported to the heating unit to heat the heating subspace adjacent to the cooling subspace through the heat generated by the cooling of the refrigeration unit; the automatic vending machine of the present invention can effectively reduce the number of automatic vending machines. The operating energy consumption of the vending machine is not only suitable for medium and large vending machines, but also can realize the miniaturization of the vending machine, make full use of the electric energy input into the vending machine, and greatly improve the efficiency of energy conversion and utilization.

The invention discloses a catalytic pyrolysis method for biomass. The method comprises the following steps of adopting loaded phosphotungstic acid HZSM-5 as an active agent, wherein the loading amountof the phosphotungstic acid is 5-15%; taking a mixture consisting of TiC powder and SiC powder as a composite wave absorbing agent, wherein the mass ratio of TiC to SiC is (0.2-0.4):1; taking a mixture consisting of the active agent and the composite wave absorbing agent as a microwave induction catalyst, wherein the mass ratio of the active agent to the composite wave absorbing agent is (0.6-1):1; uniformly mixing the microwave induction catalyst with the biomass according to the mass ratio of (0.3-0.5):1, and transferring the mixture into a microwave reactor for a catalytic pyrolysis reaction, wherein the microwave power is 400-600 W, the vacuum pressure is 10-30 kPa, and the reaction time is 3-5 minutes; condensing extracted pyrolysis gas to obtain a liquid-phase product, wherein an oil phase at the upper layer is biological oil; washing solid products remaining in the reactor with distilled water, and then separating and drying the solid products to obtain a biochar by-product. The method has the advantages that the biomass conversion efficiency is high, the selectivity of monocyclic aromatic hydrocarbon compounds is high, and the adsorption performance of the biochar by-product is excellent.

The invention discloses a floating type sea wave energy conversion device which is used for mainly solving the problems that an energy collector is easy to have one-way deflection due to the fact that a hauling cable is directly connected with the energy collector, the efficiency conversion is low and stable energy output cannot be obtained. The floating type sea wave energy conversion device comprises a base, a generator, a hydraulic motor, the energy collector and an energy converter, wherein a fixing rod is arranged on the base; the fixing rod comprises an annular gear part and an optical shaft part; a gear matched with the annular gear part is arranged at the energy collector, a hauling cable winding wheel is arranged at one shaft end of the gear, and the energy collector is sleeved on the optical shaft part for moving up and down; the energy converter comprises a cylinder body, a piston, an end cover and the hauling cable; the hauling cable is connected between the piston and the hauling cable winding wheel, a guide column sleeved with a spiral spring is arranged between the end cover at the lower end of the energy collector and the piston, and the guide column penetrates through the end cover and is matched with the end cover with interval. The gear matched with the annular gear part is used for driving the piston for executing reciprocating motion through the hauling cable, the energy conversion efficiency is improved and stable energy output can be obtained.

The invention relates to a control circuit for real-time supply of motor braking energy to an AC inertial load, including a motor main control circuit, a braking energy DC / AC dispatching circuit, specifically including a rectifier module PR1, an IGBT module PM1, a DC / AC module PW1, a motor Control module CU1, AC inertial load AL1, motor M1, encoder PG1, brake tube VT1, voltage sensor VS1, DC / AC module PW1, contactor K1, freewheeling diode D1, rectifier inductor L1, buffer inductor L2, rectifier capacitor C1, buffer capacitor C2. The invention can automatically convert the braking energy of the motor through DC / AC conversion and directly convert it to this kind of AC inertial electric load for power supply. The conversion and utilization efficiency of the braking energy of the motor in the invention is high, the energy saving effect is good, the cost is low, and the application is convenient. High reliability.

The invention belongs to the technical field of tobacco processing and biomass utilization transformation, in particular to a treatment method and application of anaerobic solid-state fermented tobacco stems. Intensified fermentation pretreatment: cut the recovered tobacco stems into 1-5cm long fragments, add 0.5-1 times the quality of water, then insert the seed liquid, and carry out solid-state fermentation for 5-30 days under anaerobic and normal temperature conditions to obtain Fermented tobacco stems; transformation and utilization of fermented tobacco stems: add 3-6 times the quality of water to fermented tobacco stems, then add seed liquid and cellulase, and anaerobically ferment at 45-55°C for 72 hours to complete anaerobic conversion process. After enhanced bacterial solid-state anaerobic fermentation, the reduction of cell wall substances can increase the content of reducing sugars in the tobacco stem material and reduce irritation.

The invention discloses a college English outdoor learning system which comprises a vertical column whose top end is provided with a rectangular frame. One side of the rectangular frame is provided with a display panel through a plurality of first cross arms, and the other side of the rectangular frame is provided with a support plate. The upper end of the support plate is hinged to the upper end of one side corresponding to the rectangular frame. The lower part of the support plate is connected to the lower part of the rectangular frame. The outer side of the support plate is provided with a solar generation module through second cross arms. Piezoelectric cantilever beams are used by the first cross arms and the second cross arms. The rectangular frame is internally provided with a haze processing mechanism. A ground in front of the display panel is provided with an underground power generation mechanism. A canopy is arranged in front of the display panel. According to the English corner of the invention, English which needs to be learned can be displayed and sounded, students are guided to carry out recitation and reading training, gravitational potential energy of a human body, wind energy and solar energy are converted to be used by equipment, the system has a haze processing function, and the air in a campus can be purified.

The invention relates to a control circuit for real-time supply of motor braking energy to a DC load, including a motor main control circuit, a braking energy DC / DC dispatching circuit, specifically including a rectifier module PR1, a power module PM1, an AC / DC module PW1, a DC / DC DC module PW2, freewheeling diode D1, upper strobe diode D2, lower strobe diode D3, motor controller CU1, DC load DL1, motor M1, encoder PG1, brake tube VT1, rectifier inductor L1, buffer inductor L2, Rectifier capacitor C1, detection capacitor C2, buffer capacitor C3, output capacitor C4, upper voltage divider resistor R1, lower voltage divider resistor R2, etc. The invention automatically converts the braking energy of the motor to such DC loads after DC / DC conversion. The braking energy of the motor in the invention has high conversion and utilization efficiency, good energy saving effect, low cost, convenient application and high reliability. .