58results about How to "Save conventional energy" patented technology

The invention relates to the technical field of solar photovoltaic generating, in particular to a photovoltaic solar energy, wind power and rainwater generating integrated generating set. The integrated generating set comprises a bottom plate body, a wind energy collecting module, a rainwater energy collecting module and a solar energy collecting module. The wind energy collecting module comprises a bearing block and fan blades. The bearing block is connected with a rotating shaft through a bearing, and one end of the rotating shaft is fixedly connected with the fan blades. The rainwater energy collecting module comprises a hopper and an impeller, the impeller is fixedly arranged on a shaft body of the rotating shaft, and the hopper is fixedly arranged on the top of a lamp supporting pole through a hopper support. A photovoltaic solar panel is fixedly arranged on the inner surface of the hopper. The rotating shaft and the photovoltaic solar panel are connected with the generating set. By means of the integrated generating set, generating is carried out through the solar energy, the wind power and the rainwater, effective continuous lighting of a streetlamp is guaranteed, the conventional energy source is saved, and pollution is reduced. The integrated generating set has the advantages of being simple in structure, reasonable in arrangement, low in manufacturing cost and the like.

The invention provides a renewable energy coupled energy storage and temperature regulation wall body system and a using method thereof. The renewable energy coupled energy storage and temperature regulation wall body system is characterized by comprising a temperature regulation wall body, a solar energy device and a shallow soil heat exchange tube; the solar energy device is arranged on a roof of a room; the shallow soil heat exchange tube is buried in the ground; the temperature regulation wall body is connected with the solar energy device and the shallow soil heat exchange tube; one end of the shallow soil heat exchange tube is connected with a water supply pipeline three-way reversing valve, a heat exchange tube water pump and a heat exchange tube flow meter; the other end of the shallow soil heat exchange tube is connected with a water return pipeline three-way reversing valve through a pipeline; the temperature regulation wall body comprises an inner wall plastering layer, a phase change energy storage plate, binding mortar, an inner wall body and an outer wall plastering layer in turn along the direction from interior to exterior; small pipe diameter of coiled pipes are uniformly embedded in the phase change energy storage plate along the direction of the height of the wall body; a water inlet end and a water outlet end of the small pipe diameter of coiled pipes re located at the bottom of the temperature regulation wall body. The using method is divided into three working condition modes of the winter working condition mode, the summer working condition mode and the transition season working condition mode.

The invention discloses a combined heat pump system with solar injection and solar photovoltaic steam injection compression. The system consists of a solar injection system and a solar photovoltaic steam injection and compression system, the solar injections system consists of a heat collection system and an injection system, the solar photovoltaic steam injection and compression system is composed of a steam injection and compression system, an air energy dual-level steam compression auxiliary system and an solar photovoltaic power generation system. In a refrigerating station, when solar energy is not collected, the air energy dual-level steam compression auxiliary system is used by the system; when the collected energy is not enough, an overlapping circulating system and the air energy dual-level steam compression auxiliary system are used for circularly and simultaneously cooling; when the collected solar energy meets the refrigerating demand, the overlapping circulating cooling can be used by the system; in a heating station, the air energy dual-level steam compression auxiliary system is used for circularly heating with solar energy or air by the system. The heat can be provided by the solar photovoltaic power generation system in all conditions.

The invention relates to a process and a device for treating a landfill leachate by solar energy heating and evaporation. The process comprises the following steps that: a landfill leachate in a thermal heating tank is collected by utilizing a solar thermal collector, heated, evaporated and condensed in a condenser; and a condensate is reclaimed by a condensate recoverer and enters an active carbon adsorption posttreatment tank for carrying out posttreatment. The evaporation treatment device consists of the solar thermal collector, a hot water storage tank, a water replenishing pipe of the hot water storage tank, a circular coil tube type heat exchanger, a water replenishing tank, a leachate evaporation tank, a parallel calandria type heat exchanger, a condenser, the condensate recoverer, the active carbon adsorption posttreatment tank, an effluent water discharge pipe, etc. The process and the device for treating the landfill leachate by solar energy heating and evaporation use solar energy as main energy and have the advantages of low energy consumption and low operating cost.

The invention discloses a solar energy-soil source heat pump seasonal balance heating system comprising a solar energy heat collector, a water tank and a solar energy heating heat-exchange coil pipe, wherein a ground source heat-pump heat-exchange coil pipe is arranged in the water tank and communicated with a plate heat exchanger by a second circulation pipeline; a second water pump, a second water pump, a first constant pressure tank and a magnetic valve are arranged on the second circulation pipeline; the plate heat exchanger is communicated with a heat pump assembly by a third circulation pipeline; a third water pump, a third constant pressure tank and a magnetic valve are arranged on the third circulation pipeline; the plate heat exchanger is communicated with an underground burying pipe by a fourth circulation pipeline; the underground burying pipe is buried underground and is provided with an underground insulating device; and a fourth water pump, a second constant pressure tank and a magnetic valve are arranged on the fourth circulation pipeline. The solar energy-soil source heat pump seasonal balance heating system can store redundant heat generated by a summer solar energy heat collecting system in winter to use, effectively save energy sources, increase the use efficiency of solar energy and solve the detects of the traditional earth source heat pump.

The invention discloses a self-heating electric heat insulated cup which comprises a double layer cup body (1, 10) and a cup cover (4). The cup cover (4) or the cup body is provided with a solar-cell panel (3); an inner layer cup body is provided with a heating wire (11); the output electric energy of a solar-cell panel (1) is connected to the heating wire (11) by a lead; and an automatically electrical heating system is formed by a solar energy power switch (5) arranged on the external surface of the cup body, a battery supply switch (6), a temperature control switch (7), a solar storage battery (9) arranged between the inner and outer cup bodies and a temperature sensing element (8) fixed on the inner layer cup body (10). The solar energy is used as the electric energy so as to automatically heat the beverage in the electric heat insulated cup. The conventional energy sources are saved while the beverage solvent and the solute in the cup are prevented from being wasted.

The invention discloses a sea water desalination system and desalination method. The sea water desalination system comprises a sea water filter module, a heating module, a distillation module, a heatexchange module and a control module, sea water is preliminarily filtered by the sea water filter module, the filtered sea water is heated by the solar heating module and a wind power generation device or power supply of a grid electricity system, the sea water enters the distillation module to evaporate the seal water when being heated to reach set temperature, water vapor pumped from the distillation module is condensed by the heat exchange module to form fresh water, and strong salt water generated after evaporation in the distillation module flows into a strong salt water tank. According to the system, solar energy and wind energy serve as renewable energy and are sufficiently utilized, the solar energy and the wind energy have great significance for saving of conventional energy and environment protection, a conventional grid power supply system is increased and serves as standby energy, and normal operation of a system can be ensured when the solar energy and the wind energy arein short supply.

The present invention relates to combined solar energy and electric power water heating method and apparatus. The hot water producing process includes heating water with solar energy in day time, heat pump heating with volley electric power in the night, heating water with electric heating element as the replenishment, and storing hot water in water tank to ensure constant hot water supply. The present invention has reduced power consumption and decreased peak electric power consumption.

The invention discloses a heating and hot water supplying system through a solar air heater and a control method. The heating and hot water supplying system comprises the solar air heater. The solar air heater is connected with a first ventilator through a first pipeline. The first ventilator is connected with all heating rooms through pipelines. The ventilator is connected with a heat storage body through a second pipeline. The heat storage body is connected with a gas collection tank. The gas collection tank is connected with an air-water heat exchanging pressure-bearing water tank and a second ventilator through a fourth pipeline. The gas collection tank is connected with the rooms through pipelines. The second ventilator is connected with the solar air heater. The air-water heat exchanging pressure-bearing water tank is connected with the second pipeline through a third pipeline. The first pipeline is connected with a third ventilator through a fifth pipeline. The third ventilator is connected with the second pipeline. Control over the heating and hot water supplying system can be realized through a mobile phone application (APP), and building heating and hot water supplying can be achieved through the application of the heating and hot water supplying system using the solar air heater, the heat storage body and the air-water heat exchanging pressure-bearing water tank.

The invention discloses a combined cycle multi-level utilization device, which is a multi-level energy source utilization device including solar heat utilization. The device comprises a solar heat collecting and steam generating device (1), a gas turbine combined solar application device (2), a heat energy multi-level utilization device (3), a cycle auxiliary device (4), a first valve (5-1), a second valve (5-2), a third valve (5-3), a fourth valve (5-4), a cycle pipeline (6) and a mixing box (7). In the device, due to the adoption of the mode of combining a gas turbine and solar energy, the safe and stable operation of a heat utilization device is ensured. The design of the device aims at various weather situations, can meet the requirement on heat utilization at all levels, and ensures suitable channels for water steam cycle. The design of the device can realize the heat utilization at four levels at the same time, can also realize any one or more types of heat utilization, and improves the heat utilization efficiency of a system.

The invention relates to a biomass fuel expansion furnace for preparing expanded graphite. The biomass fuel expansion furnace comprises a furnace body, wherein a combustion chamber is formed inside the furnace body; a second air duct is arranged between the combustion chamber and the inner wall of the furnace body; the outer layer of the furnace body is a heat-preservation layer; a graphite flowing expansion pipeline of which one end penetrates through and extends outside the combustion chamber is arranged at the upper part of the furnace body; a biomass fuel feeding hole which is communicated with the combustion chamber is formed in the side wall of the furnace body; a first air duct which is communicated with the combustion chamber and the external environment is arranged inside the furnace body; a slag outlet which is communicated with the combustion chamber is formed in the bottom of the furnace body; an air outlet is formed in the top of the furnace body. The biomass fuel expansion furnace is applicable to biomass fuel to provide a heat source, SO2 discharge can be reduced, the dust standard can be met with low cost, NO<x> generation is also reduced, PM2.5 discharge is reduced, and the idea of low carbon and environment protection can be met; the biomass fuel expansion furnace does not affect the chemical components of expanded graphite worms in a sealed flowing pipeline, and has benefits for later procedures using expanded graphite.

The invention discloses a tidal current energy self-supply circulating system of a ship, and belongs to the field of ship equipment. The tidal current energy self-supply circulating system comprises a pretreatment tank, a high pressure pump, a semi-permeable membrane device, a pressure adjusting valve, a ship body, a water turbine generator, an evaporator and a heat pump air conditioning system, wherein the pretreatment tank is connected with the high pressure pump and the heat pump air conditioning system through a water supply pipe; the high pressure pump is connected with the semi-permeable membrane device through a pipeline; a fresh water outlet and a high-concentration seawater outlet are arranged below the semi-permeable membrane device; the pressure adjusting valve is arranged at the high-concentration seawater outlet to be connected with the evaporator through a pipeline; the evaporator is connected together with a water discharge pipe of the heat pump air conditioning system; and a water turbine generator is arranged on the ship body and is connected with the heat pump air conditioning system, the high pressure pump and the semi-permeable membrane device through wires. The pretreatment tank is connected with a condenser of the heat pump air conditioning system through a water supply pipe to exchange heat; and the water which is subjected to heat exchange is led into the evaporator through the water discharge pipe. According to the system, ocean energy resource is fully utilized, the cost of seawater desalination can be reduced, a large number of conveying equipment are saved, and self-sufficiency of a large amount of substances is realized.

The invention relates to the technical field of livestock manure treatment and discloses chicken manure drying facilities and method. The chicken manure drying facilities comprise a henhouse, a ventilation corridor, a pressure chamber, a pressure chamber fan, an air supply pipeline and a drying chamber. The henhouse communicates with the ventilation corridor through an exhaust fan. The pressure chamber fan communicates with the pressure chamber and directly faces the exhaust fan. One end of the air supply pipeline is connected with a solar heat collection device arranged on the upper side of the henhouse. The other end of the air supply pipeline communicates with the pressure chamber through an air supply fan. The pressure chamber is provided with an air outlet communicating with the drying chamber. Conventional energy is saved, and discharge of ammonia gas and dust is reduced through effective treatment of chicken manure. An auxiliary heat source is added, the problems of high humidity of hot air in the henhouse in summer, the small air exhaust rate and low temperature of the henhouse in autumn and winter are solved effectively, drying time of chicken manure is shortened, drying efficiency is improved, volatilization of nitrogen in chicken manure is reduced, and fertilizer efficiency of the chicken manure is ensured.

A flat-plate type solar balcony bathroom consists of a passive solar house, a pressure-bearing dual-cycling solar water heater and a connecting pipe thereof. The passive solar house is enclosed by walls, a window, a door, a roof and a base of the balcony. A heat exchanger consists of a spherical shell, a pipe on the spherical shell, and a heat exchange tube. Both the heat exchanger and a solar collector have an all-plastic structure, and scale is never formed on the heat exchanger and a solar collector. Therefore, the heat exchanger and the solar collector can keep higher efficiency of heat collection and heat exchange. The flat-plate type solar balcony bathroom is in an internal thermal type heating mode, and the system has higher heating efficiency. The flat-plate type solar balcony bathroom is fully integrated with the building body into a whole, can supply a large quantity of hot water for living and provide a warm bathing space, is practical in living, is environmentally-friendly and has mature technology and wide market space.

The invention relates to a novel solar illuminating device which comprises a lampshade, a solar cell and a plurality of luminous bodies. The novel solar illuminating device is characterized in that at least one luminous body is directly connected with an alternating-current mains supply, the rest luminous bodies are electrically connected with the solar cell by leads, the lampshade is positioned above the luminous bodies, and the solar cell is adhered on the inner wall of the lampshade. The remarkable advantage that the CIGS (copper indium gallium selenide) thin-film solar cell is utilized, the flexible CIGS thin-film solar cell is adhered on the inner wall of the lampshade, light emitted by a fluorescent lamp is absorbed to generate stable current to be supplied for remaining light sources, energy storage devices are omitted, the structure of an existing solar lamp is simplified, the novel solar illuminating device can also be used in an indoor environment, environmental limitation that the existing solar lamp needs to be placed in an outdoor environment to be charged is broken, and conventional energy is saved.

The invention provides a renewable energy coupled energy storage and temperature regulation wall body system and a using method thereof. The renewable energy coupled energy storage and temperature regulation wall body system is characterized by comprising a temperature regulation wall body, a solar energy device and a shallow soil heat exchange tube; the solar energy device is arranged on a roof of a room; the shallow soil heat exchange tube is buried in the ground; the temperature regulation wall body is connected with the solar energy device and the shallow soil heat exchange tube; one end of the shallow soil heat exchange tube is connected with a water supply pipeline three-way reversing valve, a heat exchange tube water pump and a heat exchange tube flow meter; the other end of the shallow soil heat exchange tube is connected with a water return pipeline three-way reversing valve through a pipeline; the temperature regulation wall body comprises an inner wall plastering layer, a phase change energy storage plate, binding mortar, an inner wall body and an outer wall plastering layer in turn along the direction from interior to exterior; small pipe diameter of coiled pipes are uniformly embedded in the phase change energy storage plate along the direction of the height of the wall body; a water inlet end and a water outlet end of the small pipe diameter of coiled pipes re located at the bottom of the temperature regulation wall body. The using method is divided into three working condition modes of the winter working condition mode, the summer working condition mode and the transition season working condition mode.

The invention discloses a photovoltaic power generation prefab house. The photovoltaic power generation prefab house comprises a body, a prefab house foundation bed and a prefab house door. A solar cell module is laid on the outer surface of the top of the body, an intelligent charge and discharge controller, an energy accumulation storage battery and an inverter are installed on the inner side wall of the body, the intelligent charge and discharge controller is connected to the solar cell module and the energy accumulation storage battery through wires respectively, and the energy accumulation storage battery is connected to the inverter through a wire. Through the photovoltaic power generation prefab house, inexhaustible sunlight is converted into electric energy, a power supply for lighting and alternate-current power utilization is provided for the prefab house, conventional energy is saved, the environment protection purpose is achieved, and moreover the photovoltaic power generation prefab house has the advantages of being easy to manufacture and convenient to install.

The invention relates to a double-loop solar heating and heat exchanging combined device. A plurality of double-flow-channel heat transferring units are arranged in parallel. Each double-flow-channel heat transferring unit is internally provided with two flow channels. Every two flow channels are partitioned through thin metal walls. The upper end and the lower end of one flow channel are connected with an upper collecting pipe and a lower collecting pipe of an auxiliary heat source loop, and the upper end and the lower end of the other flow channel are connected with an upper collecting pipe and a lower collecting pipe of a solar loop. Two working modes are adopted for the device, one mode is a heating mode, and the other mode is a heat exchanging mode. The heating mode is further divided into three operating modes, the operating modes can be selected according to the weather situation, heat dissipation cladding is adopted for the heating season, and the heat provided by the solar energy or an auxiliary heat source is released into a room through the heat dissipation cladding. According to the heat exchanging mode, in the non-heating season, the heat dissipation clapping is changed to be heat preservation cladding, and in the double-flow-channel heat transferring units, the heat in the solar loop is transferred to the auxiliary heat source loop. The double-loop solar heating and heat exchanging combined device can be combined with a conventional concentrated heating system, solar energy is fully utilized, the system is simplified, energy efficiency is improved, and integration of the solar energy and a building is achieved.

The invention relates to a solar water heater which has high heat efficiency, can prevent freeze and high temperature, automatically returns water before using water, does not waste cold water, is combined with instantaneous water heating type and heat accumulating type electrical heating, saves conventional energy resources and is suitable for building integration.

The invention relates to a solar soil-les cultivation drop irrigation system and a control method. Solar generated electric power is used as the energy, a liquid storage pond and inorganic matrix bags are arranged inside a vinyl house, and an anti-seepage ditch is respectively arranged below each inorganic matrix bag and is communicated with a backflow grooved tube and the liquid storage pond. A black plastic dripping pipeline is respectively arranged at two sides of the inorganic matrix bag, a dripping nozzle is plugged into each inorganic matrix bag, a plurality of humidity sensors are additionally installed inside the inorganic matrix bags, when the humidity of the inorganic matrix bag reaches to a lower limit value, data detected by the humidity sensors are transmitted into a single chip processor through an analog / digital (A / D) converter, a single chip sends out an order to start an electromagnetic switch according to the data, an electric pump on the liquid storage pond is started to pump nutritional liquid in the pond into the dripping pipelines, and then the nutritional liquid is automatically dripped and irrigated to the roots of plants through the dripping nozzles in the inorganic matrix bags; and otherwise, the drop irrigation is stopped. Due to the adoption of the solar soil-less cultivation drop irrigation system and the control method, land can be saved, energy can be saved, the production cost can be reduced, and the characteristics such as energy conservation, environmental protection and no pollution can be realized.

The invention relates to a solar heat supply device for villages and small towns. The device comprises a solar heat supply device and a water heating furnace used as an auxiliary heat source, wherein the water heating furnace body comprises a burner cap, an adjustable burner cap, a by-pass flue, a heat absorbing filter, an ash bucket and a water tank thereof; the furnace body is arranged in the center of the upper part of the water tank of the device; a part of 2 / 3 height of the water tank is provided with the ash bucket below the furnace body; and the solar heat supply device is in the structure that a photoelectric pump is arranged on a solar water return pipeline, the water tank can be internally provided with a heat exchange coil, and water heated by a solar heat collector directly enters the water tank or heats cold water in the lower part of the water tank through the heat exchange coil. By adopting the solar heat supple device, the consumption of conventional fuels can be reduced, and the indoor human environment of the villages can be improved, the purposes of energy saving and emission reduction are achieved and the indoor air quality is improved, the sustainable development of energy resources can be realized, and the human environment quality of the villages and the small towns is remarkably improved.

The invention relates to a solar heat supply device for villages and small towns. The device comprises a solar heat supply device and a water heating furnace used as an auxiliary heat source, wherein the water heating furnace body comprises a burner cap, an adjustable burner cap, a by-pass flue, a heat absorbing filter, an ash bucket and a water tank thereof; the furnace body is arranged in the center of the upper part of the water tank of the device; a part of 2 / 3 height of the water tank is provided with the ash bucket below the furnace body; and the solar heat supply device is in the structure that a photoelectric pump is arranged on a solar water return pipeline, the water tank can be internally provided with a heat exchange coil, and water heated by a solar heat collector directly enters the water tank or heats cold water in the lower part of the water tank through the heat exchange coil. By adopting the solar heat supple device, the consumption of conventional fuels can be reduced, and the indoor human environment of the villages can be improved, the purposes of energy saving and emission reduction are achieved and the indoor air quality is improved, the sustainable development of energy resources can be realized, and the human environment quality of the villages and the small towns is remarkably improved.

The invention discloses a solar energy and phase-change energy storage material integrated energy self-maintaining building. The solar energy and phase-change energy storage material integrated energy self-maintaining building comprises a phase-change house and a solar energy system arranged on the roof. Phase-change sleeves are buried in the concrete floor of the phase-change house; a phase-change material is arranged in each phase-change sleeve; a plurality of phase-change sleeves are arranged horizontally to form a phase-change material layer; the phase-change material is an inorganic phase-change material, an organic phase-change material or an eutectic mixture of the organic phase-change material; a ventilating layer is arranged between the cement floor and the ground and communicated with the outdoor air by use of a ventilating window; holes formed in the cement floor are communicated with the ventilating floor. A solar thermal collector is joined with the phase-change sleeves by use of a pipeline to form a complete solar water heating system circulation loop. The solar energy and phase-change energy storage material integrated energy self-maintaining building functions in different seasons; in winter, the solar energy system is used for heating the indoor space of the house; in summer, the indoor space of the house is cooled by virtue of natural ventilation; the indoor heat environment is stabilized by use of the phase-change material, the renewable energy sources are utilized to the utmost extent, and the energy consumption of the building is reduced.

The invention relates to the technical field of livestock and poultry manure treatment, and provides a facility and a method for treating chicken manure through combination of drying and sterilization. The facility comprises a chicken coop, a drying room and a boiler; the chicken coop is communicated with the drying room through a ventilation corridor, the boiler is communicated with one end of awater outlet pipe, one end of the water outlet pipe is connected with a water inlet of a heat exchanger, a water outlet of the heat exchanger is connected with one end of a water return pipe, the other end of the water return pipe is communicated with the boiler, and the heat exchanger is arranged in the drying room. The method includes the steps of leading the air exchange residual heat in the chicken coop into the drying room through the ventilation corridor, and drying the chicken manure in the drying room; leading hot water in the boiler into the heat exchanger, and sterilizing the chickenmanure in the drying room by hot air generated by the heat exchanger. The facility and the method provided by the invention have the advantage that the chicken manure is treated by the combination ofdrying and sterilization, the drying efficiency is improved, the cost is reduced, and the safety of the manure is guaranteed.

The invention relates to an urban large thermal capacity water circulating system utilizing a renewable energy source, belonging to the technical field of region energy comprehensive utilization. The invention aims at enabling cold and heat in a region to naturally balance and reducing mechanical conversion heat to be the minimum so as to directly supply the cold, the heat and domestic water for region buildings, fully utilize the renewable energy source and improve the energy supply efficiency and energy consumption safety. The urban large thermal capacity water circulating system comprises a water feeding and discharging subsystem including a primary water treatment function, a large-thermal-capacity water circulating pipe net subsystem, a user side subsystem including a middle-high water treatment function, and an auxiliary thermal source subsystem. The invention provides a direct heat supply and cold supply energy source conversion and utilization manner, realizes an idea of supplying water with different qualities for a user side, provides a user with domestic hot water, middle water and direct drinking water, and realizes functions of an urban heat supply pipe net, an urban cold supply pipe net and an urban water supply pipe net through a set of pipe net; therefore, a conventional energy source is saved, an urban municipal pipe net system is simplified, the pipe net construction cost and the operation management cost are reduced, and the system can be applied to urban region energy source comprehensive utilization and combined energy supply optimal design.

The invention discloses a solar self-luminous advertising board, which mainly consists of a solar cell module, light sources, an advertising board and luminous characters, wherein the solar cell module is fixedly arranged at the top part of the advertising board in a paving manner; the light sources are located at the front upper position of the advertising board, and are diagonally aligned with the advertising board; a controller and an accumulator are integrated in each light source; each luminous character is made of a photoluminescence material, and painted on the advertising board. According to the solar self-luminous advertising board disclosed by the invention, conventional energy resources are saved, and solar energy is inexhaustible, so that the solar self-luminous advertising board disclosed by the invention has the advantages of being energy-saving, environmentally friendly and low in cost.

The invention discloses an automatic sprinkling device of a wind and solar energy combined guard bar. The automatic sprinkling device is mainly composed of a guard bar body, a wind driven generator, a solar cell assembly, a remote switch, a three-way solenoid valve, a water inlet pipe, a spraying pipe, an intelligent charging and discharging controller and an energy accumulation storage battery. By means of the automatic sprinkling device of the wind and solar energy combined guard bar, the road surface can be washed at any time, the traffic cannot be influenced, efficiency is improved, the environment-friendly wind energy and the environment-friendly solar energy serve as a working power source so that the conventional energy source can be saved, and meanwhile the automatic sprinkling device further has the advantages of being easy to manufacture and convenient to install.

The invention relates to a straight-insertion type pressure-bearing dual-circulation solar balcony bathroom which comprises a passive solar house, a pressure-bearing dual-circulation solar water heater and a connecting tube thereof. A wall, a window, a door, a roof and a bottom surface of a balcony are enclosed into the passive solar house; and a water tank, a hole in the wall of the water tank, an end cover and an annular hole together form a heat exchanger. The heat exchanger is in a full-plastic structure and never scales, which can ensure that the heat exchanger keeps higher heat exchange efficiency for a long time. The pressure-bearing dual-circulation solar water heater and the passive solar house are integrally designed, which can provide a large quantity of life hot water and provide a showing space with a room temperature of reaching 25-45 DEG C, thus even in a winter night with roaring north wind, hot water in the water tank can be used to ensure that the bathroom rapidly increases the temperature and keeps constant. The balcony has all functions of the balcony and can be used as the bathroom and a toilet as well as can also be used as a ventilation channel of an adjacent room.

The invention discloses a combined drying technique for cowpeas. The combined drying technique comprises the following steps: cleaning cowpeas cutting up the clean cowpeas, soaking the cowpeas for color protection by using a color protecting solution; and then, cleaning, drying, performing vacuum-pumping, injecting a penetrating fluid, performing vacuum penetrating dehydrating on the penetrating fluid, re-cleaning, drying, drying with hot air and performing vacuum drying for drying. According to the combined drying technique for the cowpeas, disclosed by the invention, time is taken as a measuring standard for ending a color-protecting stage, time control is taken as a conversion standard between vacuum penetrating and dehydrating stage and a hot air drying stage, and the content of moisture of the cowpeas is taken s a measuring standard for ending a vacuum stage. The color protection, vacuum penetrating dehydrating, hot air drying and vacuum drying are applied, and the combined drying technique is used for drying the cowpeas, so that the drying time period is shortened while the quality of the dried cowpeas is guaranteed, and the drying efficiency is improved; through the combined drying technique, the energy consumption in the drying process is reduced and normal energy resources are saved.