CN205090466U - Hot water heating device of low ebb electrical heating energy storage - Google Patents

Abstract

The utility model relates to a hot water heating device of low ebb electrical heating energy storage belongs to the energy utilization field. The device includes: low ebb electrical heating energy storage equipment, constant voltage energy storage water tank, condensation water chiller, heat accumulation device feed -tank, specifically the structure is as follows: constant voltage energy storage water tank arranges in the top of low ebb electrical heating energy storage equipment, and the heating system that constant voltage energy storage water tank passes through pipeline and low ebb electrical heating energy storage equipment, condensation water chiller and user system is connected, and heat accumulation device feed -tank passes through the pipeline and is connected with condensation water chiller and low ebb electrical heating energy storage equipment. The utility model discloses an equitable application of low ebb electrical heating energy storage equipment, purpose energy -concerving and environment -protective and that reduce the heat supply expense when satisfying people winter heating demand, has been realized to the low price electric energy of make full use of millet at night electricity period.

Description

Hot water heating device with electric heating and energy storage in low valley

technical field

The utility model relates to a hot water heating device with low-valley electric heating and energy storage, which belongs to the field of energy utilization.

Background technique

At present, the heat source of conventional heating systems or domestic hot water supply systems is combustion boilers, such as coal-fired boilers, oil-fired boilers, gas-fired boilers, solar water heaters, and electric boilers. Generally, the operating cost of coal-fired boilers is low, but the waste gas, waste, and waste water discharged from the coal-fired boiler room will cause serious pollution to the environment; the waste gas of oil-fired boilers and gas-fired boilers has less environmental pollution, but the operating costs are high; solar energy It is the cleanest energy, but at present, the conversion efficiency of photoelectric and photothermal energy is low, so it can only be used in water heaters with low heat consumption and in special environments, and cannot be used in applications with large heat capacity; although general electric boilers have no emissions to the environment, no pollution, but if electric heating is used day and night, the electricity bill will be high. Therefore, using the government's policy of reducing low-peak electricity charges, the electric energy is stored at night (22:00-5:00) for use during the day (5:00-22:00), which can greatly reduce electricity charges for users Expenditures can also make use of my country's surplus low-peak electricity, without increasing national power investment, and can also delay the life of generator sets.

Utility model content

The purpose of the utility model is to provide a hot water heating device with low-valley electric heating and energy storage, which is energy-saving, environmentally friendly, low in use cost, reasonable in energy utilization, and convenient in use and management.

The technical scheme of the utility model is:

A hot water heating device with low-valley electric heating and energy storage, the device includes: low-valley electric heating energy storage device, constant pressure energy storage water tank, condensate cooler, heat storage device feed water tank, the specific structure is as follows:

The constant pressure energy storage water tank is arranged above the low valley electric heating energy storage device. The constant pressure energy storage water tank is connected with the low valley electric heating energy storage device, the condensate cooler and the heating system of the user system through pipelines, and the heat storage device feeds the water tank through The pipeline is connected with the condensate cooler and the low-valley electric heating energy storage device.

The hot water heating device with low-valley electric heating and energy storage, the constant-pressure energy storage water tank, the low-valley electric heating energy storage device, the water supply tank of the heat storage device and the user system are respectively connected with the heating regulating valve controller, and controlled by the heating regulating valve The controller controls the supply of thermal energy to the user system.

For the hot water heating device with electric heating and energy storage in valleys, a steam heating coil is installed inside the constant pressure energy storage water tank, and a water outlet pipe is arranged on the side of the constant pressure energy storage water tank, and the water outlet pipe is connected with the user system through a pipeline. A heating circulation pump is installed on the pipeline; a steam pipe is installed at the inlet of the steam heating coil, and the steam pipe is connected to the outlet header of the low-valley electric heating energy storage device. The return pipe I of the user system is connected to the condensate cooler, and the condensate cooler passes The return pipe II communicates with the bottom of the constant-pressure energy storage water tank; the steam condensate flowing out of the steam heating coil enters the condensate cooler through the condensate pipe, and the condensate flows through the condensate cooler to the water supply tank of the heat storage device by gravity.

In the hot water heating device for electric heating and energy storage in low valley, the water supply tank of the heat storage device is connected with the inlet header of the electric heating and energy storage device for low valley through a pipeline, and an electric regulating valve and a water supply pump for the heat storage device are arranged on the pipeline .

In the hot water heating device with electric heating and energy storage in low valleys, a decontamination device and an on-off valve are respectively arranged on the pipeline connecting the return pipe I and the condensate cooler, and the on-off valve is connected with the heating cycle through the hydraulic control pipeline. The outlet pipe of the pump is connected, and the outlet pipe of the heating circulation pump is connected to the user system.

For the hot water heating device with low-valley electric heating and energy storage, a static pressure line is installed in the constant pressure energy storage water tank, and an overflow port is provided at the upper side of the constant pressure energy storage water tank at the level of the static pressure line. A water replenishment pipe is inserted in the water of the energy storage tank, and the water replenishment pipe is connected with the heating and water replenishment system. A float valve is arranged on the water surface of the constant pressure energy storage water tank, and the float valve is connected with a valve on the water replenishment pipe.

For the hot water heating device with electric heating and energy storage in low valley, the electric heating and energy storage device in low valley is arranged on the ground floor or in the basement of the building. The electric heating energy storage device is provided with a box body with a built-in energy storage module, and a heat conduction serpentine tube and a valley electric heating component are arranged in the energy storage module.

In the hot water heating device with electric heating and energy storage in low valleys, at least one set of heat-conducting serpentine tubes is formed to form a heat-conducting serpentine tube heat exchange device, and the two ends of the heat-conducting serpentine tubes are respectively provided with an inlet header and an outlet header. Evacuation valves are provided on both the inlet and outlet headers of the heat-conducting coiled pipe.

Design idea of the present utility model is:

The hot water heating device of the utility model includes a constant pressure energy storage water tank, a heating regulating valve controller, a low valley electric heating energy storage device filled with an energy storage module (metal oxide or phase change material), etc., wherein: low valley electric heating storage The energy device adopts a box body composed of a metal frame structure and a steel plate for sealing. The inside of the box body is laid with high-temperature-resistant insulation materials, which reduces the heat loss of the low-valley electric heating energy storage device. An emergency electric steam heating coil is installed in the constant pressure energy storage water tank, which can provide hot water heating for the heat user system when the valley electricity device fails.

Advantage and beneficial effect of the present utility model are:

1. The utility model makes full use of the low-priced electric energy during the off-peak period at night through the rational use of the low-valley electric heating energy storage device. While meeting people's heating needs in winter, the utility model realizes the goals of energy saving, environmental protection and reducing heating costs.

2. The heating regulating valve controller of the utility model device can realize unmanned management and scientific operation. While meeting people's heating needs, it reduces the time and energy spent on heating system management, and greatly improves and improves people's quality of life.

Description of drawings

Fig. 1 is the structural representation of the utility model.

In the figure, 1 low valley electric heating energy storage device; 2 constant pressure energy storage water tank; 3 heating circulation pump; 4 decontamination device; 5 opening and closing valve; Water pump; 9 float valve; 10 water supply pipe; 11 outlet pipe; 12 steam pipe; 13 user system; 14 return pipe Ⅰ; 15 condensate pipe; 16 hydraulic control pipe; 17 return pipe Ⅱ; 20 steam heating coil; 21 overflow port; 22 heat conduction serpentine pipe; 23 energy storage module; 24 emptying valve; 25 box body; 26 inlet header; 27 outlet header.

detailed description

Below, the utility model is further described in detail through the embodiments and the accompanying drawings. But these examples are not limitations to the scope of protection of the utility model, and all changes within the scope of the basic idea of the technical solution of the utility model or substantially equivalent to the technical solution of the utility model are the protection scope of the utility model.

As shown in Figure 1, the hot water heating device for low valley electric heating and energy storage of the utility model mainly includes: low valley electric heating energy storage device 1, constant pressure energy storage water tank 2, heating regulating valve controller 6, etc., the specific structure as follows:

The constant pressure energy storage water tank 2 is arranged above the low valley electric heating energy storage device 1, and the constant pressure energy storage water tank 2 is connected with the low valley electric heating energy storage device 1, the condensate cooler 18 and the user system 13 for heat supply through the heat preservation pipes and valves The system is connected, and the heat energy supply to the user system 13 is controlled by the heating regulating valve controller 6 . The heating regulating valve controller 6 is respectively connected with the constant pressure energy storage water tank 2 and the low-valley electric heating energy storage device 1. The heating regulating valve controller 6 controls the operation of the low-valley electric heating energy storage device 1 according to the user's system requirements and climate changes, and provides the user with System 13 delivers thermal energy.

A steam heating coil 20 is arranged inside the constant pressure energy storage water tank 2, and a water outlet pipe 11 is arranged on the side of the constant pressure energy storage water tank 2, and the water outlet pipe 11 communicates with the user system 13 through a pipeline, and a heating circulation pump 3 is arranged on the pipeline. The inlet of the steam heating coil 20 is provided with a steam pipe 12, the steam pipe 12 is connected to the outlet header 27 of the low-valley electric heating energy storage device 1, the return pipe I14 of the user system 13 is connected to the condensate cooler 18, and the condensate cooler 18 passes through The return pipe II17 communicates with the bottom of the constant pressure energy storage water tank 2 . In addition, the steam condensed water flowing out from the steam heating coil 20 enters the condensed water cooler 18 through the condensed water pipe 15 , and the condensed water passing through the condensed water cooler 18 flows to the water supply tank 19 of the thermal storage device by gravity. The heat storage device water supply tank 19 communicates with the inlet header 26 of the low-valley electric heating energy storage device 1 through pipelines. An electric regulating valve 7 and a heat storage device feed water pump 8 are arranged on the pipeline, and the water supply for the heat storage device water supply tank 19 is provided by The heat storage device feed water pump 8 is sent to the low-valley electric heating energy storage device 1 for heating after adjusting the required flow through the pipeline and the electric regulating valve 7 .

On the pipeline where the return pipe I14 communicates with the condensate cooler 18, a decontamination device 4 and an on-off valve 5 are respectively installed. The dirt in the user system 13 can be discharged through the decontamination device 4, and the on-off valve 5 The road 16 communicates with the outlet pipe of the heating circulation pump 3, and the outlet pipe of the heating circulation pump 3 is connected to the user system 13 for heating. The combination of the heating circulation pump 3 , the decontamination device 4 and the on-off valve 5 is responsible for transporting the heat energy converted from the valley electric energy to the heating equipment (radiator or heat exchanger) of the user system 13 .

The opening and closing and the degree of opening of the electric regulating valve 7 can be used to control the water flow entering the electric heating energy storage device 1 in the valley. When the heat supply system stops supplying heat to the user system, the electric regulating valve 7 is closed, and the water supply to the water tank 19 of the heat storage device is stopped. The heating return water from the condensed water cooler 18 enters the bottom of the constant pressure energy storage water tank 2 through the return pipe II17. The regulating system is composed of the electric regulating valve 7 and the water supply bypass. When the heat demand of the user system 13 changes, the heat supply capacity of the electric heating energy storage device 1 in the valley can be adjusted in time, so that the heating system of the user system 13 can run smoothly.

A static pressure line (constant pressure point) is set in the constant pressure energy storage water tank 2, and an overflow port 21 is arranged on the upper part of the side surface of the constant pressure energy storage water tank 2 and the horizontal position of the static pressure line, and the water in the constant pressure energy storage water tank 2 exceeds During the static pressure line, drain through the overflow port 21 or the bottom of the constant pressure energy storage water tank 2, so that the water surface reaches the static pressure line. A water supply pipe 10 is inserted in the water of the constant pressure energy storage water tank 2, and the water supply pipe 10 communicates with the heating water supply system. When the water surface in the constant pressure energy storage water tank 2 was lower than the static pressure line, the valve of the float valve 9 was opened, and water was added to the constant pressure energy storage water tank 2 through the replenishment pipe 10 to make the water surface reach the static pressure line. Thereby, the automatic constant pressure function of the constant pressure energy storage water tank 2 is realized.

The low valley electric heating energy storage device 1 is usually arranged in the ground floor or basement of the building. The low valley electric heating energy storage device 1 is a modular structure that can change the energy storage heat according to the needs. The low valley electric heating energy storage device 1 can be used according to the heat storage demand , using heat storage module groups of different specifications to provide different heat storage capacities. The low-valley electric heating energy storage device 1 is provided with a box body 25 composed of a metal frame structure and steel plates. The box body 25 has a built-in energy storage module 23 (metal oxide or phase change material), and a certain number of heat conduction snakes are arranged in the energy storage module 23. Shaped pipe 22 and valley electric heating part; heating medium (such as: water) in the heat-conducting serpentine pipe 22 is heated by the heat provided by the energy storage module 23, and the space between the box body 25 and the energy storage module 23 is filled with high temperature resistant insulation materials.

There is at least one group of heat-conducting serpentine tubes 22 to form a heat-conducting serpentine tube heat exchange device. The heat transfer area of the low-valley electric heating energy storage device 1 can be adjusted by changing the number of heat-conducting serpentine tubes 22 used. Both ends of the heat-conducting serpentine pipe 22 are respectively provided with an inlet header 26 and an outlet header 27, and an exhaust valve 24 is arranged on the inlet header 26 and the outlet header 27 of the heat-conducting serpentine pipe 22, and the exhaust valve 24 can discharge The medium in the heat conduction coiled tube 22. In addition, the inner and outer sides of the box body 25 can be provided with a certain thickness of heat-resistant heat-insulating material to form a high-efficiency composite heat-insulation structure.

The water level in the water supply tank 19 of the heat storage device is lower than that of the electric heating energy storage device 1 in the low valley. During the period when the electric heating energy storage device 1 stops supplying heat to the user in the low valley, the water in the heat conduction serpentine pipe 22 in the energy storage module 23 is discharged to Heat storage device feeds in the water tank 19.

In this embodiment, the low valley electric heating energy storage device 1 stores the heat converted from the valley electricity during the valley electricity period, and at the same time, it can also heat the hot water in the constant pressure energy storage water tank, and the heating regulating valve controller 6 controls the valley heating. The energy storage device 1 supplies heat to the constant pressure energy storage water tank 2, maintains the water supply temperature of the heating system, and meets the heating demand of the user system 13. The actual situation of the user system 13 is connected with the heating equipment (radiator or heat exchanger, etc.) of the user system 13 through the insulation pipe, and the circulating power of the heating system is provided by the circulating water pump (heating circulating pump 3, etc.).

Therefore, the advantages of low-valley electricity can be rationally used, and the high-tech energy-storage heating device, which is managed by the heating control valve controller to manage the energy storage of low-valley electric heating, can adjust heat storage and heat supply according to changes in outdoor temperature during the heating period and the needs of the user system quantity.

Claims (8)

1. A hot water heating device with low-valley electric heating and energy storage, characterized in that the device includes: low-valley electric heating energy storage device, constant pressure energy storage water tank, condensate cooler, heat storage device feed water tank, specific structure as follows: The constant pressure energy storage water tank is arranged above the low valley electric heating energy storage device. The constant pressure energy storage water tank is connected with the low valley electric heating energy storage device, the condensate cooler and the heating system of the user system through pipelines, and the heat storage device feeds the water tank through The pipeline is connected with the condensate cooler and the low-valley electric heating energy storage device. 2. According to claim 1, the hot water heating device with low-valley electric heating and energy storage is characterized in that the constant-pressure energy storage water tank, low-valley electric heating energy storage device, heat storage device water supply tank and user system are respectively connected with the heating regulation The valve controller is connected to control the supply of heat energy to the user system through the heating regulating valve controller. 3. According to claim 1, the hot water heating device with low-valley electric heating and energy storage is characterized in that a steam heating coil is arranged inside the constant pressure energy storage water tank, and a water outlet pipe is arranged on the side of the constant pressure energy storage water tank, and the water outlet pipe It is connected with the user system through the pipeline, and a heating circulation pump is installed on the pipeline; a steam pipe is installed at the inlet of the steam heating coil, and the steam pipe is connected to the outlet header of the electric heating energy storage device in the valley, and the return pipe I of the user system is connected to the condenser The water cooler is connected, and the condensate cooler is connected to the bottom of the constant pressure energy storage water tank through the return pipe II; the steam condensate flowing out of the steam heating coil enters the condensate cooler through the condensate pipe, and the condensate after passing through the condensate cooler Gravity self-flow to the heat storage device feed water tank. 4. The hot water heating device with low-valley electric heating and energy storage according to claim 3, characterized in that the water supply tank of the heat storage device communicates with the inlet header of the low-valley electric heating and energy storage device through a pipeline, and the pipeline is Set electric regulating valve, heat storage device feed water pump. 5. According to claim 3, the hot water heating device with low-valley electric heating and energy storage is characterized in that, on the pipeline connecting the return pipe I and the condensate cooler, a decontamination device, an on-off valve, and an on-off valve are arranged respectively. The closed valve communicates with the outlet pipe of the heating circulation pump through the hydraulic control pipeline, and the outlet pipe of the heating circulation pump is connected to the user system. 6. The hot water heating device with low-valley electric heating and energy storage according to claim 1, characterized in that a static pressure line is set in the constant pressure energy storage water tank, and the upper side of the constant pressure energy storage water tank is horizontal to the static pressure line An overflow port is provided at the position, and a replenishment pipe is inserted in the water of the constant pressure energy storage water tank, and the water replenishment pipe is connected with the heating and water replenishment system. 7. The hot water heating device with low-valley electric heating and energy storage according to claim 1, characterized in that the low-valley electric heating and energy-storage device is arranged on the bottom floor of the building or in the basement, and the low-valley electric heating and energy-storage device is installed according to needs. To change the modular structure of energy storage and heat, the low valley electric heating energy storage device is equipped with a box body, and the box body has a built-in energy storage module, and heat conduction serpentine tubes and valley electric heating components are arranged in the energy storage module. 8. The hot water heating device with electric heating and energy storage in valleys according to claim 7, characterized in that there are at least one group of heat-conducting serpentine tubes to form a heat-conducting serpentine tube heat exchange device, and the two ends of the heat-conducting serpentine tubes An inlet header and an outlet header are set respectively, and an exhaust valve is set on both the inlet header and the outlet header of the heat-conducting serpentine tube.