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

The invention discloses a lactobacillus paracasei fermented feed and a preparation method thereof, fermenting equipment and an application of the lactobacillus paracasei fermented feed. The preparation method comprises a lactobacillus paracasei liquid fermentation step and a lactobacillus paracasei solid fermentation step, and has the advantages of simple process, low probability of infection of bacteria, low investment cost, high production efficiency, low energy consumption, and the like. The fermenting equipment comprises a supporting seat, a fermenting tank and a stirring assembly, wherein the stirring assembly is arranged in the fermenting tank; the fermenting tank comprises a tank body provided with a feeding hole and a discharging hole, and a sealing cover used for sealing the feeding hole and the discharging hole; the sealing cover is movably connected with the tank body; the tank body is arranged on the supporting seat in a swinging way; and a swinging driving assembly used for driving the tank body to incline for pouring materials is arranged on the supporting seat. The fermenting equipment has the advantages of compact structure, small floor area, easiness in operating, attractive appearance, convenience in cleaning, good mixing effect, capability of greatly lowering the labor strength, and the like. The lactobacillus paracasei fermented feed and the application thereof have the advantages that the occurrence rate of diarrhea of piglets after weaning can be greatly reduced, the growing speeds of pigs are increased, the feed transformation and utilization efficiency is improved, and the like.

The invention discloses an interference-free middle-deep-stratum geothermal resource gradient utilization heating system. The interference-free middle-deep-stratum geothermal resource gradient utilization heating system comprises a casing pipe (1), a heat insulation pipe (2), a heat exchanger (7), a high-temperature heat pump (8) and a low-temperature heat pump (9). According to the interference-free middle-deep-stratum geothermal resource gradient utilization heating system, through a three-level system including the heat exchanger, the high-temperature heat pump and the low-temperature heatpump, the high-grade portion, the middle-grade portion and the low-grade portion in geothermal energy can be sequentially absorbed and utilized, the middle-deep-stratum geothermal resource gradient utilization heating purpose is finally achieved, and the energy efficiency ratio and the heating load of the heating system are significantly increased. The heat insulation pipe (especially a vacuum heat insulation pipe) is taken as a central pipe, therefore, the heat dissipation capacity of water in the central pipe can be effectively reduced, and the grade of the geothermal energy can be effectively kept. Meanwhile, the advantages of an interference-free geothermal exploitation mode adopting the vacuum heat insulation pipe and the geothermal resource gradient utilization heating system are combined, and therefore the characteristics of being efficient, environmentally friendly and capable of achieving sustainable utilization are achieved.

The invention relates to a medicinal plant selenium-enriched and zinc-enriched enzyme and a preparation method thereof. Aiming at overcoming shortcomings of the prior art, the technical scheme is as follows: the main ingredient of the medicinal plant selenium-enriched and zinc-enriched enzyme consists of the following raw material components in percentage by weight: 75-80% of degummed stems and leaves of brasenia schreberi, 2-3% of folium perillae, 8-9% of rosa roxburghii tratt, 1-2% of marigold petals, 2-3% of rhizoma galangae, 2-3% of bulbus allii macrostemi, 1-2% of fennel, 1% of piperis fructus, 3-4% of dioscoreae rhizoma and 1% of cassia bark, totaling 100% in percentage by weight. Except for the brasenia schreberi, the rosa roxburghii tratt, the dioscoreae rhizoma and the marigold, all components in the prescription are medicinal and dietary seasonings which are capable of improving taste, increasing aroma, removing fishy smell and stimulating appetite, and have a long application history. The enzyme is unique in flavor and special in taste, and the enzyme is more significant in health-caring and conditioning effects.

The invention provides a microorganism-photoelectrochemistry-thermoelectrochemistry coupling hydrogen production system. The system comprises a microbial anode, a photocathode and a thermochemical battery; the thermochemical battery is located between the microbial anode and the photocathode, and ion exchange membranes are arranged between the cathode of the thermochemical battery and the microbial anode and between the anode of the thermochemical battery and the photocathode; the photocathode is connected with the anode of the thermochemical battery through an insulating heat-conducting material, so that the heat of the photocathode is effectively transferred to the anode of the thermochemical battery; the microbial anode and the photocathode are connected to an external circuit and equipment through wires; and the anode and the cathode of the thermochemical battery are directly connected through an external circuit to form an internal loop and a formed voltage drop. The thermochemical cell is coupled into the near microorganism-photoelectrocatalysis system, so that on one hand, the solar energy conversion and utilization efficiency of the system is improved; and meanwhile, the influence of photo-thermal on the microbial anode is reduced.

The invention discloses a method and device for determination of biomass material biogas generating potential, and belongs to the technical field of biomass energy utilization and biogas production. According to the method and the device, mainly by simulation of actual working conditions of anaerobic digestion treatment, biomass material biogas generating capacity can be quickly and efficiently measured by experiments, and the biomass material biogas generating potential can be judged by the actual production of biogas.

The invention discloses a multifunctional political education publicity board. The multifunctional political education publicity board comprises a stand column, wherein a rectangular frame is arranged at the top end of the stand column; a display panel is arranged on one side of the rectangular frame through a plurality of first cross arms; a support plate is arranged on the other side of the rectangular frame; the upper end of the support plate is hinged with the upper end of one corresponding side of the rectangular frame; the lower part of the support plate is connected with the lower part of the rectangular frame through a telescopic mechanism; a solar power generation module is arranged on the outer side of the support plate through second cross beams; the first cross beams and the second cross beams adopt piezoelectric cantilever beams; haze treatment mechanisms are arranged in the rectangular frame; a control module, a communication module and an electric energy management module are arranged below the rectangular frame. According to the multifunctional political education publicity board, wind energy and solar energy can be converted to be used by equipment, conversion and utilization efficiency of energy is higher, and cost of operation and maintenance is greatly reduced; besides, the multifunctional political education publicity board has a haze treatment function, can purify air in the campus and provides guarantee for body health of students.

The invention discloses a power generation device capable of swinging by irregular wind power blowing. The power generation device comprises a machine body, wherein a power generation cavity is formedin the machine body, gear cavities are formed in the front side, the rear side, the left side and the right side of the power generation cavity respectively, a rotating cavity is formed in the upperside of each gear cavity, a moving cavity is formed in the upper side of the machine body, a wind power device utilizing wind energy is arranged on the outer side of the upper side surface of the machine body, the wind power device comprises two supporting columns fixedly arranged on the upper side surface of the machine body, a supporting plate is fixedly arranged on the supporting columns, a fixing block is fixedly arranged in the supporting plate, a swing ball is rotationally connected to the fixing block, a swing device for converting wind energy for use is arranged on the upper side of the machine body, and a power generation device body for converting the wind energy into electric energy is arranged on the lower side of the machine body. According to the device, the wind energy can be utilized to generate the electric energy, irregularly blown wind is utilized, and the wind energy can be accumulated, so that a generator can stably and continuously generate electricity.

The invention discloses a fuel cell comprehensive energy supply system which comprises a hydrogen gas source subsystem, a fuel cell subsystem, a power supply control subsystem, a programmable control subsystem, a hot water storage and distribution subsystem and an absorption type low-temperature waste heat refrigeration subsystem. The system can be independently operated in an off-grid mode and can also be operated in a grid-connected mode. Chemical energy generated by reaction of hydrogen and oxygen is converted into electric energy needed by a user through the fuel cell, and external power supply is achieved; meanwhile, cooling water is utilized to reasonably utilize heat generated by a galvanic pile reaction in the fuel cell through heat exchange, and low-temperature hot water generated by the fuel cell is secondarily utilized under the action of the absorption type low-temperature waste heat refrigerating system, so that external cooling and heat supply are realized, the defect of single energy supply of the fuel cell can be overcome, and the energy utilization rate of the fuel cell is increased. And a comprehensive energy supply mode with a multi-scene adaptation capability is realized.

According to the closed radial double-rotor natural gas excess pressure power generation device, gas acts on a left impeller and a right impeller respectively, so that an inner rotor and an outer rotor rotate relatively, and the power generation capacity and the device stability are improved. Comprising a shell system, an energy conversion system, a power generation system, a power transmission system, a natural gas input shunting pipeline and a natural gas output converging pipeline, the power generation system comprises an inner rotor and an outer rotor, the rotation directions of the inner rotor and the outer rotor are opposite, and the outer rotor outputs electric energy through the power transmission system; the shell system is provided with a left cavity, a middle cavity and a right cavity which are sequentially arranged, a power generation system is arranged in the middle cavity, the left cavity and the right cavity are connected with a natural gas input shunting pipeline and a natural gas output converging pipeline respectively, energy conversion systems are arranged in the left cavity and the right cavity respectively, the energy conversion system in the left cavity is in power connection with the outer rotor, and the energy conversion system in the right cavity is in power connection with the outer rotor. And the energy conversion system in the right cavity is in power connection with the inner rotor.

The invention provides a heat energy recovery system of a wind power cabin cover. The heat energy recovery system comprises a wind power cabin cover, a triggering device, a magnet and an independently-arranged electricity storage box, wherein a storage battery and an induction tube are arranged in the electricity storage box, and a wire is wound on the peripheral surface of the induction tube; thetwo ends of the wire are connected with the positive electrode and the negative electrode of the storage battery respectively; the magnet is connected to the wind power cabin cover through the triggering device; the triggering device transfers and converters the heat energy within the wind power cabin cover into motion kinetic energy of the magnet, so that the magnet extends into the induction tube or extends out of the induction tube. According to the technical scheme, the heat energy absorbed from the interior or the surface of the wind power cabin cover is converted into the reciprocatingmotion of the magnet which extends into or extends out of the induction tube and the reciprocating motion of an insulating rod which extends into or extends out of a touch electric appliance, so thatthe purpose of collecting and recycling the heat energy as far as possible is achieved, the storage battery is effectively prevented from being discharged when the storage battery is charged, and theenergy conversion and utilization efficiency is effectively improved.

An MPPT controller namely highest power tracing is adopted in an existing wind-solar hybrid generation system. Due to different characteristic curves of photoelectricity and wind power generation and the interplay between a wind turbine and photoelectricity, the output power of the whole system is low in the wind-solar simultaneous working process; if photoelectricity and wind power generation are controlled in an MPPT mode, technological complexity is improved, reliability of the system is reduced, own loss is large, and both the efficiency ratio and the price performance ratio are low. Aiming at the factor, the efficient wind-solar hybrid charging control system is provided, according to the main purpose, wind power generation and photoelectricity are input into first-level energy storage, converged into second-level energy storage after signal adjustment is carried out and then applied, and therefore electric energy output by the wind-solar hybrid generation system is received and applied to the maximum.

The invention discloses a multifunctional English outdoor learning corner, comprising an upright column, wherein the top end of the upright column 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; the other side of the rectangular frame is provided with a support plate; the upper end of the support plate is hinged with the upper end of a corresponding side of the rectangular frame; the lower part of the support plate is connected with the lower part of the rectangular frame through a telescoping mechanism; the outer side of the support plate is provided with a solar power generation module through a second cross arm; the first cross arms and the second cross arm adopt piezoelectric cantilever beams; a haze treatment mechanism is arranged in the rectangular frame; the ground in front of the display panel is provided with an underground power generation mechanism; and a canopy is arranged in front of the display panel. The English learning corner disclosed by the invention can display and produce sounds of English required to be learned, guides students to perform reciting and reading training outdoors, converts human body gravitational potential energy, wind energy and solar energy for use by equipment, has a built-in haze treatment function, and can purify air in a campus.