121results about How to "Solve energy consumption" patented technology

The invention discloses a flection and energy consumption preventing brace which comprises a core stress member, a restriction member, an isolation layer positioned between the core stress member and the restriction member, and a connecting member connected with two ends of the core stress member. The core stress member comprises two steel plates; and an elastic filling material is arranged between two steel plates. As the elastic filling material is adopted to solve the problems of the flection and energy consumption after the double steel plates are stressed, the material for the isolation material only needs to realize the separation of the double steel plate and a restriction sleeve, does not need to consider reserving a gap with certain thickness; therefore, common lipin or an organic material is applied on the surface of the double steel plates to meet the requirement, so manufacturing difficulty is greatly reduced.

The invention discloses a fabricated concrete column-steel beam energy dissipation type panel point connecting device. The fabricated concrete column-steel beam energy dissipation type panel point connecting device is composed of a beam-beam bolt connection component and a friction energy dissipation device, and comprises a prefabricated concrete column, a pre-buried steel beam, a middle steel beam and a combination connection steel piece, wherein transversal surfaces of the pre-buried steel beam and the middle steel beam are both H-shaped, webs of the pre-buried steel beam and the middle steel beam are connected through a web cover plate, and flanges of the pre-buried steel beam and the middle steel beam are connected through a connection cover plate. Earthquake energy is dissipated by using friction plates attached inside a combination steel piece and through a friction energy dissipation mechanism. Compared with the prior art, the connecting device can reduce adverse effects on a floor and achieve a beam hinge yielding mechanism by moving a plastic hinge outward, the energy dissipation device can improve fabricated structure energy dissipation and reduce damages of main structural members, connection parts and the steel beams can be conveniently maintained, replaced and dismantled for reuse, and simultaneously, the fabricated concrete column-steel beam energy dissipation type panel point connecting device is produced by using a whole prefabricated industrialization standard, and installed only through bolts on site, and has strong engineering practicability.

The invention provides a multi-node collaboration based storage method for a sensor network. The method comprises the following steps: (1) determining a node collaboration mode, which is to extract image characteristics and identification images on nodes of the sensor network, and determine a node set for data fusion; (2) determining an updating mode for storing and exhausting the nodes of the sensor network; (3) dynamically calculating the size of the most appropriate data of the nodes of the sensor network in each time of data updating or data transiting; (4) solving appropriate positions ofSink nodes by using a genetic algorithm; (5) constructing a hierarchical network topology structure to optimize a user search processing process by improving the TopDisc algorithm; and (6) optimizinga data searching process, which is to establish the data searching process driven by messages by establishing and managing multiple data transcriptions. The method is used for solving the problems ofmore events detected by a single node and unbalanced consumption of energy and storage among different nodes, and prolongs the life time of the network.

The invention relates to a novel method for preparing a styrene-acrylate copolymer emulsion used in antirust primer paint. The method comprises steps that: (1) phosphate ester functional monomers are subject to a polymerization reaction; two hydroxyl groups of each phosphate ester group are subject to a chelation reaction on the metal surface, such that a dense phosphate ester (salt) protective film is formed on the metal surface, and water molecules and other salt ions are prevented from contacting the metal; the introduced phosphate ester group assists in improving the adhesion of painted coatings on metal surfaces, and in improving the antirust capacity of the painted coatings; (2) diacetone acrylamide (DAAM) and adipic dihydrazide (ADH) form a cross-linking system of the antirust emulsion; hydrazine groups in hydrazino-(NH2-NH2) and ketone groups in the DAAM (C=O) are subject to a dehydration condensation reaction, wherein the ketone groups are copolymerized on the copolymer; through outer cross-linking, a emulsion film with a three-dimensional reticular structure is obtained; (3) an emulsifying system is formed by combining a reactive anion emulsifier and a non-ion emulsifier, such that problems of emulsion deposition and gelling are solved. With the method provided by the invention, an aqueous emulsion with a high solid content is prepared, and water resistance and weathering resistance of the antirust paint is improved.

The invention provides a novel superimposed perovskite solar cell preparation method. A first block electrode is composed of a substrate and PEDOT:PSS. A second block electrode is composed of FTO, TiO2, perovskite, Spiro-MeOTAD, and PEDOT:PSS. The two block electrodes are superimposed so as to form the superimposed perovskite solar cell. A Layer I comprises thermally spraying PEDOT:PSS spraying liquid with different amount on a Spiro-MeOTAD film. A Layer II comprises thermally spraying PEDOT:PSS spraying liquid with different amount on a back electrode substrate. According to the superimposed perovskite solar cell, holes generated by the perovskite can be successfully extracted. The superimposed perovskite solar cell is simple in making technology and low in cost. Vacuum is prevented and the substrate can be flexibly transformed. The method is beneficial to flexible design of the nanometer structure of the electrodes and large-scale manufacture of the perovskite solar cells.

The invention discloses a rubber product one-step injection, hollowing and vulcanization forming production method, which belongs to the technical field of rubber product processes. By adopting the rubber product one-step injection, hollow and vulcanization forming production method, the injection, hollowing and vulcanization procedures can be completed in a same mold cavity, the mold cavity comprises an upper half mold, a lower half mold and a mold core, the mold core sets a foundation for the hollowing of the mold cavity, after the hollowing, the condition for introducing the high-temperature high-pressure gas for the vulcanization can be satisfied, the injection molding, hollowing and vulcanization apparatus can be integrated, the heat loss caused by the procedure circulation and the procedure circulation cost in the prior art can be avoided, and the traditional defects of the traditional rubber product production process such as re-pressurizing, heating, energy consumption, time consumption and high cost can be solved.

The invention discloses a fabricated self-resetting prestressed concrete frame friction energy dissipation node which comprises a prefabricated reinforced concrete column, a prefabricated reinforced concrete beam, a column end pre-embedded steel plate, friction plates, beam end pre-embedded steel plates, non-boning prestressed steel stranded wires and prestressed steel stranded wire hole channels;the column end pre-embedded steel plate is welded with end plate anchoring steel bars and friction rail steel plates; the beam end pre-embedded steel plates are welded with shear bolt nails; bolt hole channels are reserved in the prefabricated reinforced concrete beam; high-strength bolts pass through the bolt hole channels in the upper end of the prefabricated reinforced concrete beam, connect the friction plates and the friction rail steel plates located at the top and the bottom of the prefabricated reinforced concrete beam with the column end pre-embedded steel plates together, and tighten the high-strength bolts to apply pressure. According to the invention, through the friction energy dissipation and the replaceable friction plates, a prefabricated fabricated concrete frame structure is endowed with excellent anti-seismic performance and self-reset capability under high-intensity earthquakes.

The invention discloses an expressway non-stop toll collection method based on a Beidou system or a GPS (Global Positioning System). The method comprises the steps that clients log in an expressway pass system by using smart phones; when the Beidou system/GPS detects that vehicles are to enter entrances of an expressway, a field layer server system lets the vehicle enter the expressway; when the vehicles are to leave the exits of the expressway, a top layer server system performs toll pre-settlement and toll settlement according to the information of the vehicles at the moment of entering and the running tracks of the vehicles, and the field layer server system lets the vehicle leave the expressway. The expressway non-stop toll collection method based on the Beidou system or the GPS has the advantages of high toll collection efficiency, great convenience and high practicability.

The invention discloses a clean production method of natural gas, which is composed of the following steps: (1) addition of an ice inhibitor: adding an ice inhibitor liquid or the ice inhibitor into natural gas or/and a natural gas flow channel so that the ice inhibitor liquid or the ice inhibitor is contacted or mixed with the natural gas or/and gas-phase water, liquid-phase water, ice or/and natural gas hydrates in the natural gas flow channel to form sewage containing the ice inhibitor; and (2) ventilation for water removal: evaporating the water in the ice inhibitor sewage in a ventilating manner and recycling the ice inhibitor liquid or the ice inhibitor from the ice inhibitor sewage. The method solves the problem of influence on natural gas exploitation and production due to natural hydrates or ice, can solve the problem of environment pollution and energy consumption during the natural gas exploitation and production, can eliminate safety risk in the natural gas exploitation and production, can reduce fixed investment, cost and energy consumption in the natural gas exploitation and production, is easy to carry out, is safe and reliable, is wide in application and is easy to popularize, and has significant economic benefit, environment protective benefit and safety benefit.

The invention discloses a core-shell structure silt solidification unsintered ceramisite and a preparation method thereof. The core-shell structure silt solidification unsintered ceramisite is composed of a core material and a shell material, wherein the core material is compose of, by weight percentage, 13.00-13.49% of phosphate, 11.46-12.27% of overburnt magnesium oxide, 3.07-5.52% of coal ash,3.05-3.68% of silica fume, 33.12-32.51% of dried silt, 0.012-0.025% of light particles, 3.052-3.078% of borax, 1.22-1.23% of naphthalene water reducer and 29.44-30.67% of water; the shell material iscomposed of, by weight percentage, 44.90-48.79% of ordinary Portland cement, 5.10-9.04% of silica fume, 0.51-0.60% of sodium carbonate, 0.51-0.60% of sodium sulfate, 0.005-0.006% of HPMC (hydroxy propyl methyl cellulose), 1.015-3.624% of acrylic emulsion, 1.02-1.20% of naphthalene water reducer and 36.14-45.92% of water. The core-shell structure silt solidification unsintered ceramisite is prepared through core material balling, shell material coating and heating curing. Meanwhile, the core-shell structure silt solidification unsintered ceramisite is green, energy-efficient, low in water absorbency, good in degree of sphericity and simple in process and avoids the shortcomings of high energy consumption and emission of sintered ceramisites and high manufacturing prices and maintenance costof a rotary kiln.

The invention discloses a water feeding device suitable for animal husbandry industry in a karst region and a method of using the same. The water feeding device comprises a water tank and a drinking trough, the bottom of the water tank is provided with a water inlet communicated with the drinking trough, an outflow rubber plug movable up and down is arranged in the water inlet, a connecting cord that is connected to the outflow rubber plug is passed around two fixed pulleys disposed on the drinking trough and the water tank and is connected to a first floater, the first floater floats on water in the drinking trough, and the water tank is also connected with a mechanical automatic water supplement device. The outflow rubber plug and the first floater enables mechanical automatic water supplement for the drinking trough, less manual observation is required, no electricity supply is required, energy use is more economical, labor cost is lower, water interruption due to power outage is avoided, water supply is more continuous, the structure is simple, the cost is low, water supplement is more time-saving and labor-saving, and automatic water supplement also allows for saving of water resource; the water feeding device also has the advantages of simple structure, low cost and good convenience in manufacture, use and maintenance.

The invention provides a cognitive radio power control method based on a quantum monkey flock search mechanism, the method comprises the following steps: establishing a non-cooperative game cognitiveradio power control model, calculating a sum of cognitive user utility functions, introducing a power penalty mechanism and selecting a form of a target function which needs to be optimized; inspiredby monkey flock activities, designing the quantum monkey flock search mechanism, generating quantum positions and number of monkeys in the quantum monkey flock; mapping a system user transmitting power and the quantum positions of the monkey flock to be in one-to-one correspondence, and calculating an adaptability value; updating an optimal quantum position of each monkey through a climbing process in the monkey flock activities; mapping the optimal quantum position in the climbing process of the monkey to a transmitting power, and updating the optimal position of the monkey through a lookingover-jumping and somersaulting process of the monkey flock activities; and iterating several times to obtain the optimal position of the monkey as an optimal solution. The method provided by the invention has wider application range and can guarantee improvement of user utility in the existing cognitive radio system, moreover, transmitting of user power is reduced.

The invention discloses an electromagnetic integrated type energy feedback suspension actuator of an electric vehicle and a control method of the electromagnetic integrated type energy feedback suspension actuator of the electric vehicle. The suspension actuator comprises a magnetorheological damper, a linear motor and an actuator monitoring device, wherein the magnetorheological damper comprisesa cylinder, a magnetorheological fluid, an inner chamber upper partition board and an inner chamber lower partition board, wherein the linear motor comprises a linear motor shell, a secondary part anda primary part; the actuator monitoring device comprises an actuator controller. The control method of the suspension actuator comprises the following steps: 1, data acquisition and transmission; 2,control of the suspension actuator by the actuator controller in an energy feedback mode, a primary damping mode, a secondary damping mode and an active mode according to sample data. The suspension actuator is reasonable in design, multi-mode switching of a suspension system can be realized according to different road conditions of vehicle traveling, energy waste of the electric vehicle is reduced, driving mileage of the electric vehicle can be increased, and the promotion and application values are high.

A debris dryer, comprising a drying box with a chamber, an agitator located in the chamber, a driver, several heaters with heat radiation and cooling films, an exhaust fan and an exhaust fan, and the A controller for the electric connection of the stirrer, the driver, the heater with the heat radiation film, the exhaust fan and the exhaust fan. In this way, this dryer uses an independent and adjustable heating system, so that both the fan speed and the temperature of the heat source can be adjusted according to the needs of the temperature in the mixing chamber, and the fan is used to introduce the airflow, through the heating of the heat dissipation film with heat radiation The device conducts the heat source evenly in the form of fins, and at the same time dries the broken materials evenly through stirring, which has a high drying efficiency. In this way, this work is a distributed heat convection and heat conduction system, the temperature of the heat source, and the speed of the fan and the agitator are all adjustable, and when stirring, it drives the blades to rotate around the shaft instead of driving the entire cavity, so that the internal heat source can be concentrated. Power saving effect of drying and saving energy.

A multi-directional anti-pulling self-resetting friction mount based on TMD belongs to the field of bridge and building engineering. The mount comprises an upper slide plate, a lower slide plate, a sliding block, an outer baffle plate, a TMD, a spring, a speed reduction ring and a connecting post. A mechanical locking structure is provided between the slide block and the upper and lower sliding plates, so that the slide block has the drawing resistance function;, a spring, a speed reduction ring and a TMD are arranged between that out baffle plate and the slide block, the speed reduction ringis used for ensuring the cooperative action of a plurality of spring, and the TMD is fixed on the inner side of the out baffle plate, so that the bearing has a powerful energy dissipation function; the sliding surface between the slider and the upper and lower slide plates is spherical, the slider can slide freely in the horizontal plane, and the residual displacement of the slider can be eliminated and self-reset by relying on the gravity and the spring reaction force. The anti-pulling system can resist the vertical displacement of the superstructure caused by earthquake or accidental load.

The invention provides a catalyst for decomposing volatile organic compounds. The catalyst comprises a mesoporous material, which has a pore diameter of 2-50 nm and a specific surface area of 600-1000 m2/g; silver loaded on the mesoporous material, and a transition metal oxide loaded on the mesoporous material; wherein the transition metal oxide is composed of cerium oxide and manganese oxide and accounts for 1 to 30 wt% of the total weight of the catalyst, and the particle size of silver and transition metal oxide is in a range of 2 to 50 nm. The invention further provides a method for decomposing volatile organic compounds.

The invention provides a seedbed dispatching method and system capable of precisely predicting illumination and a medium. The seedbed dispatching method comprises the steps that an illumination prediction model is built, wherein historical weather data and historical illumination data are collected and processed, and the illumination intensity prediction model is built; the illumination intensityis predicted, wherein real-time weather data is collected, the illumination intensity is predicted according to the obtained illumination intensity prediction model, and illumination prediction data is output; a dispatching decision is obtained; according to the illumination prediction data, a seedbed is dispatched. By means of the method, the problem of energy consumption of an artificial light source and the problem of low land utilization rate of a solar greenhouse are solved, small-area illumination prediction and dynamic optimization and deployment of the three-dimensional seedbed are achieved, and therefore, the scientific, precise and intelligent degrees of plant factory crop cultivation are improved.

The invention provides a shoe material surface treatment method. The method includes cleaning the shoe material surface firstly with a cleaning agent so as to remove contaminants and other organic impurities residual on the shoe material surface; and treating the shoe material surface by utilization of a normal-pressure high-density microwave plasma technology so that a large amount of active groups are generated on the shoe material surface and the bonding strength of the shoe material and a binder is significantly enhanced. The normal-pressure high-density microwave plasma technology relates to direct excitation of air into high-density plasma torch by utilization of microwave in an air environment, and is free of any special gas, free of vacuumizing and free of heating. The normal-pressure high-density plasma torch directly acts on the shoe material surface to generate physical and chemical functions. The normal-pressure high-density plasma is high in density, and therefore the shoe material surface treatment is good in effects, high in speed, low in cost, and free of discharge of waste water, waste gas and solid waste. Surface treating agents with high toxicity to human bodies are replaced, thus improving the production environment and protecting health of production personnel.

The invention provides an assembly type self-resetting concrete frame low-damage joint with a modularized energy dissipation part. The assembly type self-resetting concrete frame low-damage joint comprises a prefabricated reinforced concrete column, a prefabricated reinforced concrete beam, a column end pre-embedded steel plate, a beam end pre-embedded profile steel sleeve, a soft steel damper, anunbonded prestressed steel strand, a prestressed steel strand pore channel and high-strength reamed hole bolts, wherein one side of the column end pre-embedded steel plate is an anchoring end and theother side of the column end pre-embedded steel plate is a column end butt joint plate; a shear key is welded on an inner wall of the beam end pre-embedded profile steel sleeve; a beam end butt jointplate is arranged at a beam end profile steel web. The soft steel damper is arranged at the beam end profile steel web and is fastened at two sides of the web through the high-strength reamed hole bolts; and beam column components are connected through the prestressed steel strand.

The invention discloses a method for preparing a separation membrane by using a small molecular monomer, which specifically comprises the following steps: (1) in an inert gas atmosphere, adding a monomer, a salt, a solvent and an entrainer into a reaction kettle, heating the system to 100-150 DEG C, dehydrating for 1-12 hours, and then removing the entrainer; heating the system to the temperature of 150-300 DEG C, and carrying out constant-temperature reaction for 0.5-20 hours; finally, the temperature of the system is controlled to be 100-300 DEG C, an end-capping reagent is added, and a constant-temperature reaction is conducted for 0.5-10 h; (2) filtering; (3) adding a pore-foaming agent and/or a diluting solvent and uniformly stirring; and (4) defoaming and then preparing the membrane. According to the method disclosed by the invention, the high-performance polymer membrane is directly prepared from a monomer, integration of membrane material synthesis and a membrane preparation process is realized, the production period is shortened, and the problems of organic solvent waste, energy consumption, environmental pollution and the like in a traditional process are solved.

The invention discloses a combined energy feedback type semi-active suspension fork actuator and a control method thereof. The combined energy feedback type semi-active suspension fork actuator comprises an actuator body and a monitoring device, wherein the actuator body comprises an air spring mechanism and a linear motor; the air spring mechanism comprises an air spring, an air spring upper endcover and an air spring lower end cover; the linear motor comprises a secondary permanent magnet assembly and a primary coil assembly; the secondary permanent magnet assembly comprises a linear motorsecondary housing and a secondary permanent magnet. The control method comprises the following steps of I, performing data acquisition and synchronous transmission; II, adjusting the height differenceof spring mass and non-spring mass in the starting stage of a vehicle; III, adjusting the height difference of the spring mass and the non-spring mass in the travelling stage of the vehicle and electromagnetic damping force; and IV, after the vehicle stops travelling, adjusting the height difference of the spring mass and the non-spring mass. Through the adoption of the combined energy feedback type semi-active suspension fork actuator disclosed by the invention, the stability and the smoothness of the vehicle can be improved; and energy generated by the actuator is recovered, and the energyconsumption of the vehicle is reduced.

The invention provides a rotational flow negative pressure sieve. A device of the rotational flow negative pressure sieve uses a sieving system, a vibration system, a material separation system, a rotational flow negative pressure system and a support system; the sieve fraction level of materials can be effectively controlled; the material dry sieving efficiency is improved; the production workshop fine dust is synchronously reduced; the problems of energy consumption and environment pollution caused by low sieving efficiency and serious dust pollution of the device can be solved.

The invention relates to a comprehensive disposal system special for zero emission of a thermal power plant, which comprises a cooling tower, a cooling tower bottom pool, a steam turbine, a steam condenser, a circulation water pump and a condensed water recovery pump, and mainly comprises two parts: 1, a circulation cooling water system descaling system; 2, a high salinity sewage evaporation and concentration purifying crystallizing system, wherein one outlet of an electrochemical water disposal system of the circulation cooling water system descaling system is communicated with the cooling tower bottom pool 18 and another outlet of the electrochemical water disposal system is communicated with the cooling tower bottom pool 18 through a filtering pool 28 of the circulation cooling water system descaling system; the steam condenser 4 is connected with a boiler 8 by the condensed water recycle pump 5, the steam condenser 4 is positioned between the steam turbine 2 and the condensed water recycle pump 5, the inlet of an evaporation heat exchanger 6 of the high salinity sewage evaporation and concentration purifying crystallizing system is communicated with the steam turbine 2 by a steam exhaust pipeline 25, and the outlet of the evaporation heat exchanger 6 is connected with the boiler 8 by the condensed water recovery pump 7. The comprehensive disposal system solves the problem of energy consumption of the zero emission at an evaporation condensation loop to a great extent, greatly reduces construction and operation cost of the zero emission and has great significance in energy saving and emission reduction of the thermal power plant.

The invention relates to a self-driven cooling and dedusting transformer box and belongs to the field of closed transformer substations. To solve the problems of high energy consumption, intrusion ofexternal dew and small dedusting range of the prior art, the technical scheme includes that the self-driven cooling and dedusting transformer box comprises a cooling and dedusting device; the dedusting device comprises a power mechanism, a cleaning mechanism and a ventilation mechanism; the power mechanism comprises an air bag, a threaded rod and a limit tube sleeves the air bag, the limit tube isfixedly connected to the top wall of the box, protrusions on the end face of the threaded rod are fixed to the end face of the air bag, and a support plate for sliding of the threaded rod is fixedlyarranged below the threaded rod; the ventilation mechanism comprises helical fans and revolving-rod type blinds, the helical fans sleeve the threaded rod, are coated with activated carbon, and revolving rods are fixedly connected with revolving ropes which are further fixedly connected with the threaded rod; the cleaning mechanism comprises drive rods and cleaning discs, the tops of the drive rodsare conical and provided with teeth, and the cleaning discs are fixedly connected to the bottom of the drive rods respectively; besides, the threaded rod is sleeved with teethed conical tubes which are fixedly connected with the helical fans, and the teeth at the tops of the drive rods are meshed with the teeth of the conical tubes.

The invention discloses a method for producing glutamic acid from corn immersing water in a biotin-suboptimal fermentation process. The innovation of the method is that: a fermentation culture medium is prepared from the corn immersing water instead of corn steep liquor in the biotin-suboptimal fermentation process, so that the glutamic acid is produced by fermenting. The process is convenient tooperate and water-saving and energy-saving, is favorable for reducing the fermenting cost of the glutamic acid and is suitable to be popularized comprehensively in the production. By the method, primary water for batching can be saved, the energy consumed by the further evaporation concentration of the corn immersing water also can be saved, the problems of environmental pollution and energy consumption which are caused by producing the corn steep liquor (powder) by utilizing the corn immersing water are solved, and the acid-producing rate and saccharic acid conversion rate of the glutamic acid are improved simultaneously.

The invention relates to an air purification device and an air purification method. The air purification device comprises a spiral magnetic field generating device used for generating and releasing spiral magnetic field energy, the spiral magnetic field energy is released into a certain area by use of the spiral magnetic field generating device, so that the vector magnetic field and spiral magnetic field of the area are balanced, and the particle and dust in the area are settled, and the air purification is finished. By use of the characteristics of the spiral magnetic field, ordered fluctuation and convergence of micro-particles in aerosol are realized, the particle movement state is changed and the concentration is reduced, so that the minute dirt particles in the area are easily adsorbed by the ground so as to form settlement, and thus the natural purification capability of atmospheric dust is recovered and reinforced. The air purification device has the characteristics of large purification area, no material consumption, low energy consumption, low noise, long effective purification time, convenience in maintenance and extensive use.

The invention provides a porous ceramic plate as well as a preparation method and application thereof. The preparation method comprises the following steps: (a) preparing a plurality of ceramic raw materials which respectively comprise a surface layer ceramic raw material and a bottom layer ceramic raw material, wherein the average particle size of metal oxide contained in the surface layer ceramic raw material is less than or equal to 20 microns; (b) respectively carrying out forming steps on the ceramic raw materials to respectively obtain a plurality of green bodies formed by the ceramic raw materials; (c) stacking the green bodies to form a stacked layer, wherein the stacked layer comprises a green body formed by the surface layer ceramic raw materials and a green body formed by the bottom layer ceramic raw materials; carrying out a forming step on the laminated layer to obtain a formed laminated layer; and (d) sintering the formed laminated layer to obtain the porous ceramic plate, wherein the porous ceramic plate comprises a surface ceramic layer and a bottom ceramic layer which are laminated with each other, and the average pore diameter of the surface ceramic layer is smaller than that of the bottom ceramic layer.

The invention discloses a dual hot water supply system, comprising: a water storage device of a main water tank and a main heating device. The main heating device comprises a first secondary water tank and a heating unit. The water storage of the first secondary water tank is less than that of the main water tank, and the heating unit is used for heating the water in the first secondary water tank. The first secondary water tank is arranged, the hot water in the first secondary water tank is mixed with the water in the main water tank and repeatedly and circularly heated, thereby avoiding the problems of energy source waste caused by once completely heating the water in the main water tank due to different use amount of hot water, and energy consumption caused by heating the water in the main water tank for a long time; and the first secondary water tank can be used for storing the hot water, thereby reducing designed water storage of the main water tank.