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383results about How to "Increase heat load" patented technology

Blowing type gas water heater constant temperature control method and control system thereof

ActiveCN101839552ALarge air supplyIncrease heat load QFluid heatersAir volumeControl system
The invention relates to a blowing type gas water heater constant temperature control method, which is characterized in that after the water heater is successfully ignited, a controller calculates the current thermal load Q according to the water flow V, water inflowing temperature T0, water outflowing temperature T1 set by a user, calculates and controls the air quantity S output by an air flower according to the thermal load Q, guarantees the flame not to be blown out, and causes the heater to work when the gas supply is low. The blowing type gas water heater constant temperature control system comprises a central controller, the air blower, a gas proportional valve, an igniter, a water flow sensor, a water inflowing temperature sensor and a water outflowing temperature sensor; after the igniter is successfully ignited, the controller calculates and controls the air quantity S output by the air blower according to the thermal load Q; when the real water outflowing temperature T11 is less than the set water outflowing temperature T1, the controller controls the gas proportional valve to increase the openness of the valve thereof and the air demand of the gas passage so that the real water outflowing temperature T11 reaches the set water outflowing temperature T1. The invention causes that the heater can work when the gas supply quantity is low, can rapidly recover the constant temperature state when the gas supply quantity recovers, thus being convenient for users to use.
Owner:GUANGDONG HUAMEI JUNDA ELECTRIC APPLIANCES

Cooling mode driven by utilizing urban heat supply network

The invention discloses a cooling mode driven by utilizing an urban heat supply network, which belongs to the technical field of cooling modes. In the mode, hot water of the heat supply network is utilized to drive an absorption refrigerator and a solution dehumidifier to cool and dehumidify the place of a user; meanwhile, the water of the heat supply network after driving the cooling and the dehumidification can be used for preheating domestic hot water and further recharging the heat to the underground through a buried pipe so as to gradually reduce the backwater temperature of the heat supply network, and the heat recharged to the underground can be extracted for heat supply in winter. In a power plant, a mode of the combination heating of a condenser, a steam absorption heat pump and a steam-water heat exchanger is adopted to realize the gradual heating of the backwater of the heat supply network. Compared with the conventional distributed cooling mode and centralized cold water supply mode, the mode can utilize spare urban heat supply network resource in a refrigeration season, increase the heat load of a thermal power plant, recycle the waste heat of the circulating water of the power plant, and facilitate cutting down a power peak due to air conditioning load and even saving power.
Owner:TSINGHUA UNIV +1

Intelligent gas water heater with lifting function

PendingCN107781978AMeet the water needs of different occasionsMeeting water needsWater heatersWater useThermodynamics
The invention discloses an intelligent gas water heater with a lifting function. The intelligent gas water heater comprises a gas water heater body, a gas proportional valve, a main controller and anoperation display, wherein the gas proportional valve is arranged on a gas supply channel of the gas water heater body, and the main controller is arranged on the gas water heater body. The gas proportional valve and the operation displayer are electrically connected with the main controller, the main controller changes the gas flow opening degree by adjusting the working current of the gas proportional valve so as to control the heat load of the water heater, a temperature setting key is arranged on the operation display, and the main controller automatically sets the maximum opening degree of the gas proportional valve at the preset temperature according to the preset temperature preset by the temperature setting key. The main controller changes the gas flow opening degree by adjusting the working current of the gas proportional valve so as to control the heat load of the water heater, the maximum opening degree of the gas proportional valve is automatically set to be different fromthe preset temperature according to the preset temperature, and the lifting number suitable for users to use can be automatically set according to the preset temperature, so that the water requirements of the users on different occasions can be met.
Owner:VATTI CORP LTD

Closed circulatory phase-change heat supply system for heat and power cogeneration

The invention provides a closed circulatory phase-change heat supply system for heat and power cogeneration, comprising a boiler, a turbine generator set, a heat accumulator, a heat device, a drain tank, a water storage tank, an economizer and an assorted connection pipe, a water pump, a control valve and the like. A steam pipe of the boiler for steam supply is connected with a steam inlet of the heat accumulator and a steam inlet of the turbine generator set; a steam supply inlet of the heat accumulator and a steam pumping and exhausting outlet of the turbine generator set are respectively connected with a steam inlet of the heat device to ensure that the heat accumulator adjusts the load of a heat supply system; the condensate water of the heat device is collected in the water storage tank after passing through the drain tank via a condensate water pipe; and a water outlet pipe of the water storage tank is connected to the economizer of the boiler, therefore, an enclosed circulatory heat supply system is formed. During the running of the system, the condensate water is not flashed and lost under the saturated high-temperature state, therefore, the heat utilization rate of the system is improved, both the whole system and the running are simplified, and the project investment and the operation cost are reduced.
Owner:刘绍允
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