41results about How to "To achieve complementary use" patented technology

The invention relates to a multi-source heat pump cold and hot water unit integrating solar energy, air energy and sleeve accumulated energy. The multi-source heat pump cold and hot water unit is mainly composed of a solar thermal collector, an energy storage heat exchanger, an outdoor air heat exchanger, a compressor, a thermal storage water tank, a user side heat exchanger, a gas-liquid separator, a heat collecting water pump, a user circulating water pump, an electromagnetic valve, a motor-driven three-way reversing valve, a motor-driven four-way reversing valve, a start-stop valve, a throttling valve, a one-way valve and the like; according to different outdoor climatic conditions, multiple operation modes such as direct solar heat supply, living hot water produced by solar, solar heat accumulation, heat supply of an energy storage heat pump, heat supply of an air source heat pump, energy storage and air source heat pump combined heat supply, living hot water produced by an air source heat pump, cold supply of air source heat pump, air source heat pump cold accumulation, heat pump cold accumulation and production of life hot water, and cold accumulation cold supply are realized. The complementary utilization of air energy and solar energy and two-way utilization of cold and heat of a heat pump unit are realized, and one set of equipment is adopted to realize heating, refrigeration, energy storage and living hot water supply.

The invention discloses a distribution network expansion planning method considering the optimal operation of a regional comprehensive energy system. First, a regional comprehensive energy system model is established and its internal energy flow relationship is analyzed. Secondly, based on the multi-agent system, a three-layer interactive structure including supervisory layer, regional layer, and equipment layer is built to realize the interaction of different entities on a spatial scale. Then, for the distribution network including residential, commercial and industrial regional integrated energy systems, a two-layer optimization model is established. The upper layer performs the expansion planning of the distribution network, and the lower layer realizes the optimal operation of the regional integrated energy system, and uses the genetic membrane algorithm And sequential quadratic programming method nested to solve the upper and lower model. Finally, the simulation example shows that the distribution network planning considering the optimal operation of the regional integrated energy system can reduce the total cost of planning, improve energy utilization efficiency and new energy consumption rate.

The invention discloses a running method of a multi-energy complementary cold supply and heat supply unit. According to the running method, a solar water heating system, an electric heat storage boiler and a lithium bromide absorption type refrigerating unit are involved; the solar water heating system and the electric heat storage boiler are used for heating in winter, meanwhile, the solar waterheating system and the electric heat storage boiler are in linkage with the double-pole lithium bromide absorption type refrigerating unit in summer, the lithium bromide refrigerating unit is used forrefrigerating, then the problem of refrigerating in summer is solved, the use time of the solar energy is fully prolonged, and meanwhile, the initial investment is saved; and through the use of the solar water heating system and the electric heat storage boiler, the clean energy, namely, the solar energy is effectively utilized, meanwhile, the functions of peak shaving and valley filling is achieved for the electric load of a power grid, the running cost can be saved by utilizing the peak and valley electricity price, moreover, the system is stable and reliable, the water supply amount of thesystem is not influenced by outdoor weather conditions, and the system can be kept to be operated stably and efficiently in the whole year.

The invention provides a complementary type distributed energy system integrating internal combustion engine tail gas into the thermochemical process. The system comprises an internal combustion engine power generation subsystem, a thermochemistry waste heat utilization subsystem, an absorption refrigeration subsystem and a low-temperature exhaust waste heat utilization subsystem. According to the system, based on the energy utilization principle of parallel temperature and gradient utilization, exhaust waste heat recovery is conducted through thermochemical reaction, absorption refrigeration, heat supply and the like in sequence, high-temperature exhaust waste heat is utilized scientifically and reasonably in a gradient mode, heat, electric and cold diversified energy product output is achieved, and the energy utilization efficiency and grade of exhaust waste heat are improved greatly.

The invention relates to an efficient crop-rotation fertilizing method for relieving continuous cropping obstacles and increasing the full-fruit rate of peanuts. The method comprises the following steps: winter wheat is fertilized and seeding is carried out; after the wheat is harvested in the next year, ridging is carried out at places 10-15 away from two sides of wheat roots; a peanut base fertilizer is applied, wherein the peanut base fertilizer comprises a special compound fertilizer for peanuts, calcium superphosphate and humic acid raw powder; after the peanut base fertilizer is applied,peanuts are sowed by adopting a sowing mode of two grains in one hole; a special leaf fertilizer special for peanuts and chitosan oligosaccharide are applied by a foliage spraying method in a poddingand full fruiting period of the peanuts, so that the formation of peanut pods is promoted; and when the color of peanut leaves turns yellow and stems and leaves at the middle-lower part are withered,the peanut pods can be harvested. According to the invention, through the change of the fertilizers and the fertilizing modes on the basis of crop rotation of the wheat and the peanuts, the physicaland chemical properties of soil can be improved, the soil fertility can be improved, the influence of diseases and insect pests on peanuts can be reduced, the continuous cropping obstacles of the peanuts can be relieved, the vigorous growth of the peanuts is promoted, the full-fruit rate of the peanuts is increased, the peanut yield is increased, and the sustainable development of peanut industryis facilitated.

The invention discloses a biomass rapid pyrolysis and coal-fired boiler coupling system.The biomass rapid pyrolysis and coal-fired boiler coupling system comprises biomass rapid pyrolysis equipment, bio-oil reforming separation equipment, crude oil refining equipment and coal-fired boiler equipment.The biomass rapid pyrolysis equipment is used for conducting rapid pyrolysis on biomass to generate liquid bio-oil and a small quantity of non-condensing gas products and solid carbonic ash.The liquid bio-mass reforming separation equipment is used for conducting chemical and physical separation on the liquid bio-mass to obtain liquid bio-crude oil and solid biochar.The crude oil refining equipment is used for refining the liquid bio-crude oil to prepare chemical materials or high-calorific-value energy products.The coal-fired boiler equipment is used for achieving energy utilization of the solid carbonic ash, the non-condensing gas products and the solid biochar.Biomass bio-oil efficient preparation and a coal-fired boiler are organically coupled, complementary utilization of high energy and low energy is achieved, and gradient utilization of biomass resources and energy is achieved.

The invention discloses a solar energy coupled air source heat pump complementary heating system and a control method. The heating system is composed of a solar heat collection system, an air source heat pump system, a hot water storage tank and terminal equipment. The hot water storage tank is connected between the two systems of the system. The solar heat collection system includes that the solar heat collector is connected to the hot water storage tank through pipelines, and the temperature probe T1 is set on the pipeline, and the temperature probe T2 and temperature probe T3 are respectively arranged on the upper and lower parts of the hot water storage tank, and the water outlet of the hot water storage tank The circulating water pump on the solar side is connected through the lower circulating pipe section, and the temperature probe T6 is installed at the water inlet of the circulating water pump. Install an electric two-way valve. The invention solves the problem of overheating and overcooling on the side of the solar heat collection cycle caused by the existing heating technology utilizing solar energy and air energy.

The invention discloses a heating system with a four-way reversing valve and a three-way reversing valve. The system can realize thermal field coupling between solar energy and an air source heat pump system. Part of it can realize four different combinations of flow directions, and the special structure can be used to accurately locate the open state of the valve. Among them, the three-way reversing valve uses a cam and a return spring to realize the switching of the two flow directions; using these two different reversing valves can be The solar heat pump composite system realizes multiple different operation modes, fully considers the heat collection characteristics of solar collectors, the safety of working in a complex working environment, and the comprehensive energy efficiency improvement when the composite system is working, and reduces the number of valves and pipes in the system. The use of roads is beneficial to reduce the structure and cost of the system; the valve parts required for the normal operation of the system are significantly reduced, the operation reliability is good, and the difficulty of early construction is further reduced, and the operability of relevant technical personnel is high.

The invention provides a hybrid power machine, which belongs to the field of fluid power machinery and is mainly formed by coupling an A-kind energy flux engine with a B-kind energy flux engine, wherein the A-kind energy flux engine utilizes pressure energy, kinetic energy and heat energy carried by fluid and is provided with a flow discharge port, the B-kind energy flux engine is formed by a wheel hub and hollow blades arranged at the periphery of the wheel hub, the inner cavities of the hollow blades are communicated with the inner cavity of the wheel hub, the rear marginal parts of the hollow blades are provided with jet-flow holes, the flow discharge port of the A-kind energy flux engine and a flow inlet port in the wheel hub of the B-kind energy flux engine are rotated to be coupled and are communicated, a system can not only effectively utilize the energy of low-grade energy flow but also utilize energy of other kinds and grades, so that the purpose of complementary importing and stable exporting is realized, and the hybrid power machine can be used for driving various working machines.