CN204329127U - Residential building solar energy/trough-electricity hot water shared system - Google Patents

Abstract

The utility model relates to a solar energy/low valley electric hot water sharing system for a residential building, which is composed of a solar heat collector connected through pipelines, a hot water storage tank with a built-in heat exchanger, an electric heating boiler, a thermostatic valve, an automatic voltage-stabilizing water supply device, etc. , the solar collector is connected to the built-in heat exchanger in the hot water storage tank through the circulation pipe to form a solar heating circulation circuit, and the electric heating boiler is connected to the built-in heat exchanger in the hot water storage tank through the circulation pipe to form an electric heating circulation circuit. When the heat is insufficient, it can be supplemented by an electric boiler. The hot water meter installed on the resident's bath water pipe, the user measures and pays. The utility model can effectively use the solar light and heat resources on the roof of residential buildings to heat hot water for bathing. When the solar heating is insufficient, the low-cost low-peak electricity of the evening power grid is used as a supplement, so that all residents of the building can share the low-cost bathing heat of solar energy and low-valley electricity. Water, its standardized design and installation also keep the building appearance in good architectural shape.

Description

Residential building solar energy/low valley electric hot water sharing system

technical field

The utility model belongs to the technical field of heating engineering and relates to a solar energy/low valley electric hot water sharing system for a residential building.

Background technique

The installation of solar water heaters on the roofs of existing residential buildings is rarely regulated in the construction design. It is just that the residents in the buildings install solar water heaters on the roofs in their own way, resulting in chaos on the roof landscape, and hot water hoses are randomly installed, which affects the appearance of the building. Clean and tidy; and the public roof can only be used by some residents to enjoy solar hot water. For high-rise buildings, limited roofs cannot meet the needs of all residents to share solar hot water.

Utility model content

The purpose of this utility model is to provide a residential building/low-valley electric hot water sharing system, which can effectively utilize solar energy resources on the roof of residential buildings and cheap low-peak electricity from the power grid as supplements, thereby producing low-cost and stable bathing heat Water, and allow all residents in the building to share solar energy, off-peak electricity and low-cost hot water for bathing. Its reasonable and standardized design and installation also keep the appearance of the building intact.

The technical scheme adopted for realizing the purpose of the above-mentioned invention is as follows: the provided residential building solar energy/low valley electric hot water sharing system consists of a solar heat collector connected by pipelines, a hot water storage tank with a built-in heat exchanger, an electric boiler , a thermostatic valve, and an automatic pressure-stabilizing water supply. The solar collector is connected through the first circulation pipe equipped with a valve and the built-in heat exchanger in the hot water storage tank to form a solar heating circulation loop. The electric boiler passes through the first circulation pipe equipped with a valve. The two circulation pipes are connected with the built-in heat exchanger of the hot water storage tank to form an electrothermal circulation circuit. A circulation pump is installed on the pipeline from the valve of the above two circulation pipes to the hot water storage tank. The hot water storage tank passes through the hot water pipe and the thermostatic valve. Connect, the thermostatic valve is connected by the first warm water pipe and the automatic pressure-stabilizing water supply, a heat pump is housed on this section of pipeline, and the automatic voltage-stabilizing water supply is connected by the second warm water pipe and the bath water pipe entering the house of the residential building.

The technical scheme of the utility model also includes: a hot water meter is installed on the bath water pipe entering the household.

The technical solution of the utility model also includes: a plurality of vertical pipes are installed in the built-in heat exchanger in the hot water storage tank, and a baffle plate is installed in the middle of the vertical pipes.

The technical solution of the utility model also includes: the electric heating boiler in the system can be replaced by a heat pump unit.

The system described in the utility model utilizes all the roofs of the building and the outer walls facing the sun for a long time to install solar heat collectors. The built-in heat exchanger is connected to form a solar heating cycle, so that the temperature of the hot water storage tank reaches 80°C, and then the temperature is adjusted to supply the residents with bathing hot water at a safe temperature of about 50°C; the circulation pipe of the electric boiler is also stored with the hot water The built-in heat exchanger in the tank is connected, and the electric boiler is supplemented when the solar heating is insufficient. A flow meter is installed on the hot water pipe of the household, and the user is charged for metering.

Compared with the prior art, the beneficial effects of the utility model are:

1. The implementation of the technical solution of the utility model can make the roof of the building and other solar and thermal resources that can use the wall surface shared by all users;

2. Utilizing the solar heat collector and pipeline design of the utility model can keep the building in its proper architectural form;

3. The electric heating boiler in the system works with low-peak electricity at night, which enables users to enjoy cheap electricity prices and low heating costs;

4. The utility model can make large-scale use of low-valley electricity, and play a good role in peak-shaving and valley-filling of regional power grids.

Description of drawings

Fig. 1 is a schematic diagram of the structure principle of a specific embodiment of the utility model.

Figure 2 is a structural schematic diagram of the built-in heat exchanger part of the system.

The names of the numbers in the figure are: 1-bath water pipe, 2-hot water meter, 3-second warm water pipe, 4-automatic pressure stabilizer water supply, 5-hot water pump, 6-first warm water pipe, 7-cold water Pipe, 8-thermostatic valve, 9-hot water pipe, 10-water supply pipe, 11-electronic descaler, 12-hot water storage tank, 13-built-in heat exchanger, 14-circulation pump, 15-second circulation pipe , 16-valve, 17-valve, 18-electric boiler, 19-first circulation pipe, 20-solar heat collector, 21-water inlet pipe, 22-standpipe, 23-baffle plate, 24-water outlet pipe.

Detailed ways

Below in conjunction with accompanying drawing, the utility model content is further described.

Referring to Fig. 1, the residential building solar energy/low valley electric hot water sharing system described in the utility model is mainly composed of a solar heat collector 20, a hot water storage tank 12, an electric heating boiler 18, an automatic voltage stabilizing water supply 4 and matching pumps and pipelines and so on. The solar heat collector 20 is connected with the built-in heat exchanger 13 in the hot water storage tank 12 through the first circulation pipe 19, and a valve 17 is housed on this section of pipeline to form a solar heating circulation loop (solar heat collector 20 → built-in heat exchange water inlet pipe → built-in heat exchanger outlet pipe → solar heat collector 20). The electric heating boiler 18 is connected by the second circulation pipe 15 and the built-in heat exchanger 13 in the hot water storage tank 12. This section of pipeline is equipped with a circulation pump 14 and a valve 16 to form an electric heating circulation loop (electric heating boiler 18 → built-in heat exchanger water inlet pipe → Built-in heat exchanger outlet pipe → electric boiler 18). The hot water storage tank 12 is supplied with water by a water supply pipe 10, and an electronic descaling device 11 is housed on the water supply pipe 10.

In the above-mentioned residential building solar energy/low valley electric hot water sharing system, multiple vertical pipes 22 are installed in the built-in heat exchanger 13 in the hot water storage tank 12, and baffle plates are installed in the middle of the vertical pipes 22. This structure is adopted It is convenient to remove scale from the standpipe. The medium filled with corrosion and scale inhibitors in the built-in heat exchanger 13 can avoid fouling in the solar collector 20, the electric boiler 18 and the heat exchanger from affecting heat transfer, and maintain a high thermal efficiency of the system. Can add antifreezing agent in built-in heat exchanger 13 in winter, to prevent solar collector 20 outdoor pipes from freezing at night.

In the above-mentioned solar energy/low valley electric hot water sharing system for residential buildings, when the hot water in the hot water storage tank 12 is insufficient, it can be supplemented by the electric boiler 18, and the electric boiler 18 uses electricity to heat and store hot water in the low valley at night.

In the above-mentioned solar energy/low valley electric hot water sharing system for residential buildings, the hot water pipe 9, the cold water pipe 7, the first warm water pipe 6 and the thermostatic valve 8 are connected, and the warm water after temperature adjustment is sent to the automatic regulated water supply by the hot water pump 5 4, the second warm water pipe 3 is connected to the bath water pipe 1 of each household in the residential building, and a hot water meter 2 is installed on this pipe, and the automatic pressure-stabilizing water supply device 4 controls the hot water pump 5 to send hot water at about 50°C to the household , can be metered and paid by the hot water meter 2 installed on each resident's bath water pipe.

In the solar energy/low valley electric hot water sharing system of the above-mentioned residential building, the automatic pressure-stabilizing water supply device 4 has the functions of automatic constant-pressure replenishment and over-pressure water discharge, and can replace the roof water tank.

In the above-mentioned residential building solar energy/low valley electric hot water sharing system, a liquid level controller and a temperature controller are installed in the hot water storage tank 12, and an electronic descaling device 11 is installed on the water replenishing pipe 10 to reduce heat loss on the heating surface of the heat exchanger. Scale, improve thermal efficiency.

In the above-mentioned solar energy/low valley electric hot water sharing system for residential buildings, temperature sensors, liquid level controllers, electromagnetic valves, etc. The pump 14 is connected with the PLC through the control circuit, and realizes the automatic control of the whole system according to the set parameters.

In the above-mentioned solar energy/low valley electric hot water sharing system of a residential building, a heat pump unit can also be used to replace the electric boiler 18 to heat hot water, which can save more electricity.

In the above-mentioned residential building solar energy/low valley electric hot water sharing system, an insulation layer should be laid on the electric boiler 18, the hot water storage tank 12 and the pipelines to reduce heat loss.

In the above-mentioned residential building solar energy/low valley electric hot water sharing system, the electric boiler 18 and the hot water storage tank 12 are all operated at normal pressure, and the electric heating boiler 18, the hot water storage tank 12 and the automatic voltage-stabilizing water supply 4 should be installed in the building The ground floor is designed to be integrated with the building, so that the building has a beautiful architectural form.

The residential building solar energy/low valley electric hot water sharing system described in the utility model is also suitable for the construction and use of public baths in schools, troops and other units.

Claims (4)

1. residential building solar energy/trough-electricity hot water shared system, it is characterized in that: by the solar thermal collector connected by pipeline (20), the heat storage water tank (12) of band built-in heat exchanger (13), boilers heated electrically (18), thermostatic valve (8), automatic voltage regulation water-feed (4) forms, solar thermal collector (20) connects and composes solar energy heating closed circuit by the built-in heat exchanger (13) be equipped with in first circulation pipe (19) of valve (17) and heat storage water tank (12), boilers heated electrically (18) connects and composes electric heating circulating loop by the built-in heat exchanger (13) of the second circulation pipe (15) and heat storage water tank (12) that valve (16) is housed, to the pipeline of heat storage water tank (12) section, circulating pump (14) is housed at the valve of above two circulation pipes, heat storage water tank (12) is connected with thermostatic valve (8) by hot-water line (9), thermostatic valve (8) is connected with automatic voltage regulation water-feed (4) by the first warm water tube (6), this segment pipe is equipped with heat-exchanger pump (5), the bath water pipe (1) that automatic voltage regulation water-feed (4) is registered one's residence by the second warm water tube (3) and residential building is connected.

2. residential building solar energy according to claim 1/trough-electricity hot water shared system, is characterized in that: on the bath water pipe (1) of registering one's residence, hot water gauge (2) is housed.

3. residential building solar energy according to claim 1/trough-electricity hot water shared system, it is characterized in that: in the built-in heat exchanger (13) in heat storage water tank (12), many vertical tubes (22) are housed, at vertical tube (22) middle part, deflection plate (23) is housed.

4. residential building solar energy according to claim 1/trough-electricity hot water shared system, is characterized in that: the available source pump of the boilers heated electrically (18) in system replaces.