CN202419945U - Energy-saving heater - Google Patents

Abstract

The utility model relates to an energy-saving heater, which comprises a heat storage tank. A water-cooled evaporator for exchanging heat with water in the heat storage tank is arranged in the heat storage tank. The outlet of the heater is connected, the outlet of the heat storage tank is connected with the inlet of the solar collector through the circulation pump, the refrigerant outlet of the water-cooled evaporator is connected with the refrigerant inlet of the compressor, and the refrigerant outlet of the compressor is connected with the condenser The refrigerant inlet of the condenser is connected to the refrigerant inlet, the refrigerant outlet of the condenser is connected to the inlet of the water-cooled evaporator through a throttle valve, the cooling water inlet of the condenser is connected to the water source through a booster pump, and the cooling water outlet of the condenser is used to connect with the water source Water storage equipment or connected to water equipment.

Description

An energy-saving heater

technical field

The utility model relates to a system for producing hot water by using a basic refrigeration cycle, in particular to an energy-saving heater. the

Background technique

Energy saving and environmental protection are related to the key issues of human sustainable development. With the depletion of fossil energy, energy conservation and emission reduction have attracted more and more attention from the society. The daily life of human beings is consuming a lot of energy. For example, the water that human beings rely on for survival often needs to be heated to boiling and sterilized by high temperature drinkable. At present, the main energy sources for heating high-temperature water are coal, fuel oil, gas, and electricity. Both civil buildings and public buildings mainly use electric water heaters, gas water heaters, electric boilers, gas boilers, etc. to provide drinking water. Water heaters such as electric water heaters and gas water heaters consume a large amount of primary energy, which is neither economical nor energy-saving. In addition, the use of electric water heaters and gas water heaters will also accelerate the consumption of high-grade fossil energy. Furthermore, gas belongs to fossil energy, and its use is likely to cause environmental pollution. Although the use of electric energy will not cause environmental pollution, most of the electric energy in my country comes from thermal power plants. Thermal power plants also burn fossil fuel coal when generating electricity, which will also cause environmental pollution. environmental pollution. the

Utility model content

The purpose of the utility model is to provide an energy-saving heater to solve the problem of environmental pollution caused by the consumption of fossil energy when electric water heaters and gas water heaters are used in the prior art. the

In order to achieve the above purpose, the utility model adopts the following technical solutions: an energy-saving heater, including a heat storage tank, a water-cooled evaporator for exchanging heat with the water in the heat storage tank is arranged in the heat storage tank, The hot water inlet of the hot water storage tank is connected with the hot water outlet of the solar collector, the hot water outlet of the hot water storage tank is connected with the inlet of the solar collector through a circulation pump, and the refrigerant outlet of the water-cooled evaporator is connected with the compressor The suction port of the compressor is connected, the exhaust port of the compressor is connected with the refrigerant inlet of the condenser, the refrigerant outlet of the condenser is connected with the inlet of the water-cooled evaporator through a throttle valve, and the cooling water inlet of the condenser is connected with a booster pump It is used to connect with the water source, and the cooling water outlet of the condenser is used to connect with the water storage equipment or water equipment. the

A preheater is arranged in series between the booster pump and the condenser, and the preheater is a serpentine tube installed in the water storage tank. The preheater is located above the water-cooled heat exchanger. The inner side of the inlet of the hot water tank is communicated with a spray nozzle above the preheater. the

An air-cooled evaporator is arranged in series between the throttle valve and the water-cooled evaporator. the

The cooling water outlet of the condenser is used to connect with the water storage equipment or the water consumption equipment through the auxiliary electric water heater. the

The auxiliary electric water heater is provided with a temperature sensor for testing the water temperature at the inlet of the auxiliary electric water heater. The temperature sensor is connected to the input end of the temperature controller, and the output end of the temperature controller is connected to the switch control of the auxiliary electric water heater. the

The refrigerant set in the energy-saving heater is HF or HFC refrigerant. the

The utility model utilizes the solar heat collector to convert solar energy into thermal energy and store it in the hot water storage tank, and the water from the water source acts as cooling water and is heated by the refrigerant in the condenser to become hot water. The energy for heating water is mainly provided by solar energy or air energy, and only a small part comes from electric energy, which saves high-grade gas, coal or electric energy compared with the traditional way of boiling water. The utility model realizes efficient utilization of low-grade renewable energy solar energy and air energy , has the advantages of stable and reliable operation, low power consumption, and remarkable energy-saving effect. the

In the utility model, the water from the water source is first preheated by the preheater and then heated by the high temperature condenser, which can effectively increase the temperature of the hot water produced. the

The water coming out of the cooling water outlet of the condenser of the utility model enters the auxiliary electric water heater for heating in order to obtain drinking hot water that can be used. The utility model has high efficiency, low energy consumption, and high hot water output, and is especially suitable for large-scale Meeting rooms, libraries, office buildings, laboratory buildings and other places with dense population and large consumption of drinking water. the

Description of drawings

Fig. 1 is a schematic structural view of an embodiment of the utility model. the

Detailed ways

An embodiment of an energy-saving heater. In FIG. 1, a water-cooled evaporator 5 and a preheater 8 are arranged in the heat storage tank 6 of the device, and the preheater 8 is located above the water-cooled evaporator 5 , the water-cooled evaporator 5 is a coil type, and the water-cooled evaporator 5 is located in the heat storage tank 6 and exchanges heat with the water in the heat storage tank 6 . The preheater 8 is also coil type. The inlet of the hot water storage tank 6 is connected with the outlet of the solar collector 13, and the inside of the inlet of the hot water storage tank 6 is connected with a nozzle 14, and the nozzle 14 is above the preheater 8, because the inlet of the hot water storage tank 6 The incoming water will be sprinkled on the preheater 8 after the shower nozzle 14 . The outlet of the hot water storage tank 6 is connected to the inlet of the circulation pump 12 , and the outlet of the circulation pump 12 is connected to the inlet of the solar heat collector 13 . The refrigerant outlet of the water-cooled evaporator 5 is connected to the suction port of the compressor 1, the exhaust port of the compressor 1 is connected to the refrigerant inlet of the condenser 2, and the refrigerant outlet of the condenser 2 is connected to the inlet of the throttle valve 3 The outlet of the throttle valve 3 is connected with the refrigerant inlet of the air-cooled evaporator 4 , and the refrigerant outlet of the air-cooled evaporator 4 is connected with the refrigerant inlet of the water-cooled evaporator 5 . The cooling water inlet of the condenser 2 is connected to the outlet of the preheater 8, the inlet of the preheater 8 is connected to the outlet of the booster pump 7, the inlet of the booster pump 7 is used to connect with the water source, and the cooling water outlet of the condenser 2 It is connected with the inlet of the auxiliary electric water heater 10, and the outlet of the auxiliary electric water heater 10 is connected with the water storage equipment or the water use equipment. A temperature sensor 9 is arranged on the auxiliary electric water heater 10, and the temperature sensor 9 is used to test the water temperature at the inlet of the auxiliary electric water heater 10. The temperature sensor 9 is connected to the input end of the temperature controller 11, and the output end of the temperature controller 11 is connected to the auxiliary electric water heater. The switch control of water heater 10 is connected. the

In this embodiment, the refrigerant flowing between the compressor, the condenser, and the two evaporators may be HF refrigerant or HFC refrigerant. the

The heat storage tank in this embodiment is provided with a preheater arranged in series between the booster pump and the condenser. When the temperature of the required hot water is not too high, the preheater may not be provided. the

In this embodiment, an air-cooled evaporator is arranged in series between the throttle valve and the water-cooled evaporator. When the temperature of the environment is very low and lower than the temperature of the refrigerant at the outlet of the throttle valve, the evaporator cannot In this case, the air-cooled evaporator may not be provided. the

In this embodiment, the water from the cooling water outlet of the condenser enters the auxiliary electric water heater for heating, so as to obtain drinking hot water. When the required hot water is not used for drinking but only for washing, it is Auxiliary electric water heaters may not be provided. the

When working in this example, the solar heat collector 13 converts solar energy into thermal energy and stores it in the heat storage tank 6, and the purified water (or drinking water) is preheated through the preheater 8, and the purified water (or drinking water) through the preheating ) flows into the cooling water channel of the condenser 2 to exchange heat with the refrigerant steam, the purified water (or drinking water) is heated to a higher temperature, and the higher temperature purified water (or drinking water) then enters the auxiliary electric water heater 10, When the temperature of the hot water is lower than the temperature set by the temperature controller 11, the auxiliary electric water heater 10 continues to heat the hot water to the temperature set by the temperature controller 11; , the auxiliary electric water heater 10 no longer continues to heat the purified water (or drinking water). the

The high-temperature and high-pressure refrigerant vapor discharged from the exhaust port of compressor 1 enters the condenser 2 to exchange heat with the purified water (or drinking water) at a lower temperature from the preheater 8. The refrigerant releases the heat of condensation and condenses into liquid, and liquid refrigeration The low-temperature and low-pressure refrigerant flows into the air-cooled evaporator 4 to exchange heat with the ambient air to absorb the heat of the external environment (when the ambient temperature is lower than the temperature of the refrigerant at the outlet of the throttle valve 3) , the fan of the air-cooled evaporator 4 stops working), only part of the refrigerant in the air-cooled evaporator 4 is vaporized, and the gas-liquid mixture enters the water-cooled evaporator 5 to exchange heat with the hot water in the heat storage tank 6, and the liquid The refrigerant absorbs heat and completely evaporates into a gas, and then the refrigerant vapor is sucked into the compressor 1 and compressed into a high-temperature and high-pressure refrigerant vapor. the

Claims (6)

1. energy-saving heater; It is characterized in that: comprise hot water storage tank; Be provided with in the hot water storage tank be used for hot water storage tank in the water-cooled evaporimeter of water heat exchange; The hot water inlet of hot water storage tank links to each other with the hot water outlet of solar thermal collector, and the hot water outlet of hot water storage tank links to each other with the import of solar thermal collector through circulating pump, and the refrigerant outlet of water-cooled evaporimeter links to each other with the air entry of compressor; The exhaust outlet of compressor links to each other with the refrigerant inlet of condenser; The refrigerant outlet of condenser links to each other through the import of choke valve with the water-cooled evaporimeter, and the cooling water inlet of condenser is used for linking to each other with the water source through booster pump, and the coolant outlet of condenser is used for linking to each other with water storage equipment or watering equipment.

2. energy-saving heater according to claim 1; It is characterized in that: string is provided with preheater between described booster pump and the condenser; Said preheater is the coiled pipe that is arranged in the hot water storage tank; Preheater is in the top of water-cooled heat exchanger, and inboard connection of the import of hot water storage tank is provided with the shower nozzle that is in the preheater top.

3. energy-saving heater according to claim 2 is characterized in that: string is provided with air-cooled evaporimeter between described choke valve and the water-cooled evaporimeter.

4. according to claim 1 or 2 or 3 described energy-saving heaters, it is characterized in that: the coolant outlet of described condenser is used for linking to each other with water storage equipment or watering equipment through the auxiliary electro-heat hydrophone.

5. energy-saving heater according to claim 4; It is characterized in that: described auxiliary electro-heat hydrophone is provided with the temperature sensor of the water temperature that is used to test auxiliary electro-heat hydrophone import department; Temperature sensor links to each other with the input of temperature controller, and the output of temperature controller links to each other with the switch control of auxiliary electro-heat hydrophone.

6. energy-saving heater according to claim 1 is characterized in that: the cold-producing medium that is provided with in the said energy-saving heater is HF class or HFC class refrigeration working medium.

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