CN210267490U - Multi-energy composite heating and heat-preserving system - Google Patents

Multi-energy composite heating and heat-preserving system Download PDF

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Publication number
CN210267490U
CN210267490U CN201921257989.9U CN201921257989U CN210267490U CN 210267490 U CN210267490 U CN 210267490U CN 201921257989 U CN201921257989 U CN 201921257989U CN 210267490 U CN210267490 U CN 210267490U
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heat
water tank
storage water
solar
air source
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CN201921257989.9U
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李晓刚
高波
秦云强
周广翔
刘永杰
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CCCC SHB Fourth Engineering Co Ltd
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CCCC SHB Fourth Engineering Co Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/20—Solar thermal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers

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  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

The utility model belongs to cold water heating application, concretely relates to multipotency source combined heating heat preservation system. The provided multi-energy composite heating and heat-insulating system is provided with a solar heat collector consisting of a plurality of non-vacuum heat collecting plates; the solar heat collector is connected with a heat-conducting medium inlet of the heat exchanger in the heat storage water tank; the heat-conducting medium outlet of the heat exchanger is communicated with the solar heat collector; the multi-energy composite heating and heat-insulating system is also provided with an air source heat pump which is started when the solar heat-conducting medium of the heat collector is not enough to heat the heat storage water tank; the water inlet of the air source heat pump is arranged at the lower part of one side of the heat storage water tank, the air source heat pump is connected with the water inlet of the air source heat pump on the heat storage water tank through a water inlet pipeline, and a water outlet pipeline of the air source heat pump is connected with a top interface of the heat storage water tank; an electric heating pipe positioned at the bottom of the heat storage water tank is also arranged in the heat storage water tank. The utility model discloses furthest utilizes renewable natural energy, has effectively reduced heating power loss, has improved the heat preservation effect.

Description

Multi-energy composite heating and heat-preserving system
Technical Field
The utility model belongs to cold water heating application, concretely relates to multipotency source combined heating heat preservation system.
Background
Solar energy is not limited by regions, has no mining and transportation cost, has no pollution, is inexhaustible, is widely applied to production and life, but is greatly influenced by weather, has low energy utilization rate, and has the defects of low heating speed, low thermal efficiency, low solar energy utilization rate and the like in the process of heating water. The electrothermal tube heating is the most common hot water heating mode in life, has wide application range and consumes electric energy. The air source heat pump water heater utilizes the 'inverse Carnot' principle, utilizes the heat energy and solar radiation energy in the refrigeration medium to absorb air, and utilizes the compressor to exchange heat of the refrigeration medium in the evaporator and the condenser to prepare the water for production and living. The energy efficiency ratio of the air source heat pump is more than 4 when the temperature of water is increased from 15 ℃ to 55 ℃ under the environment temperature of 20 ℃, namely the same water is heated, the power consumption is only 1/4 of an electric heating water heater, but the environment temperature is low in winter, and the efficiency of the air source heat pump is reduced. Thus, the complex heating system ensures daytime and year-round hot water supply. In the heating system, hot water can be stored in the hot water storage tank for a period of time, heat loss exists in the storage process, and heat loss also exists in the water flow in the pipeline transportation process, so that thermal insulation of the hot water storage tank and the water pipeline must be paid attention to in the composite heating system.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a multipotency source combined heating heat preservation system makes it can solve because of the inherent defect of solar energy and the low problem of the energy-conserving effect of electrical heating, keeps warm to heat storage water tank and conduit simultaneously and improves, reduces heating power loss.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a multi-energy composite heating and heat preservation system is provided with a plurality of non-vacuum heat collection plates for collecting solar energy; the solar heat collector is formed by the plurality of non-vacuum heat collecting plates; the solar heat collector is connected with a heat-conducting medium inlet of a heat exchanger in the heat storage water tank through a solar circulating pipeline; the heat-conducting medium outlet of the heat exchanger is communicated with the solar heat collector through a second circulating pump; the heat exchanger is vertically arranged in the heat storage water tank; the heat-conducting medium inlet is positioned at the lower part of the heat exchanger, and the heat-conducting medium outlet is positioned at the upper part of the heat exchanger; the outlet and the inlet of the solar heat collector are respectively provided with a second temperature sensor and a first temperature sensor; the second temperature sensor, the first temperature sensor and the second circulating pump are all communicated with a control system; the multi-energy composite heating and heat-insulating system is also provided with an air source heat pump which is started when the solar heat-conducting medium of the heat collector is not enough to heat the heat storage water tank; the water inlet of the air source heat pump is arranged at the lower part of one side of the heat storage water tank, the air source heat pump is connected with the water inlet of the air source heat pump on the heat storage water tank through a water inlet pipeline, and a water outlet pipeline of the air source heat pump is connected with a top interface of the heat storage water tank; the air source heat pump is communicated with the control system; an electric heating pipe positioned at the bottom of the heat storage water tank is also arranged in the heat storage water tank; the electric heating tubes are horizontally arranged; the hot water storage tank is communicated with a hot water demand place.
The non-vacuum heat collecting plate is provided with a shell, a non-vacuum heat collecting pipe, a reflecting plate and an angle adjusting bolt; the reflector is arranged on one side of the shell through an angle adjusting bolt.
The solar circulating pipeline is characterized in that a heat-insulating outer pipe is arranged on the periphery of the inner pipe of the solar circulating pipeline, glass wool heat-insulating particles are arranged in the heat-insulating outer pipe, and the glass wool heat-insulating particles are uniformly distributed in the heat-insulating outer pipe.
The heat storage water tank comprises a shell, a heat insulation layer and an inner container, the shell is a cylinder, and the shell is provided with an air source heat pump water inlet and a pressure release valve arranged at the top; the heat preservation adopt the polyurethane foaming evenly to arrange around heat storage water tank inner bag, heat storage water tank inside be equipped with temperature sensor.
The electric heating tube takes a metal tube as a shell, spiral electric heating alloy wires are uniformly distributed along the axial direction of the center in the tube, the gap is filled with dense magnesia, and the two ends of the tube opening are sealed by silica gel.
The utility model provides a multi-energy composite heating heat preservation system, combine solar energy, air energy and electric energy heating, do not adopt the electrothermal tube heating when solar energy and air energy heating can satisfy the requirement, utilize renewable natural energy to the utmost extent, reduce the consumption of electric energy, compensate the defect that solar energy is influenced by weather and the shortcoming that air source heat pump winter efficiency reduces simultaneously; meanwhile, the heat storage water tank and the circulating pipeline are improved, so that the heat loss can be effectively reduced, and the heat preservation effect is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural diagram of the heat storage water tank of the present invention.
Fig. 3 is a schematic structural diagram of the circulation pipeline of the present invention.
In the figure: 1. a non-vacuum heat collecting plate, 2, a solar circulating pipeline, 3, a water outlet pipeline, 4, a water inlet pipeline, 5, a hot water outlet, 6, a pipeline backwater inlet, 7, a hot water demand place, 8, a first circulating pump, 9, an inner container, 10, a first pressure release valve, 11, a top interface, 12, an air source heat pump water inlet, 13, an electric heating pipe, 14, a cold water inlet, 15, a solar heat conducting medium inlet, 16, a solar heat conducting medium outlet, 17, a second circulating pump, 18, a solar heat conducting medium exchange box, 19, a second pressure release valve, 20, a first temperature sensor, 21, a second temperature sensor, 22, an air source heat pump, 23, an air source heat pump controller, 24, a third temperature sensor, 25, a heat exchanger, 26, a fourth temperature sensor, 27, a heat insulating layer, 28, a shell, 29, a water conveying pipeline inner pipe, 30, a heat insulating outer pipe, 31 and a control, 32. glass wool heat preservation particles.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following description of the embodiments of the present invention is provided for clear and complete description of the technical solutions. This embodiment is a part of the present invention, and not all embodiments. Based on the embodiments in the present invention, other embodiments obtained by a person of ordinary skill in the art without creative work all belong to the protection scope of the present invention.
As shown in fig. 1, a multiple energy source compound heating and thermal insulating system has a plurality of non-vacuum heat collecting plates 1 for collecting solar energy; the solar heat collector is composed of a plurality of non-vacuum heat collecting plates 1; the solar heat collector is connected with a heat-conducting medium inlet 15 of a heat exchanger 25 in the heat storage water tank through a solar circulating pipeline 2; a heat-conducting medium outlet 16 of the heat exchanger is communicated with the solar heat collector through a second circulating pump 17; the heat-conducting medium in the non-vacuum heat collecting plate 1 is heated by the solar heat collector, enters the heat exchanger 25 through the circulating pipeline 2 through the heat-conducting medium inlet arranged on the heat storage water tank, and flows back to the heat collector from the heat-conducting medium outlet 16 under the action of the second circulating pump 17 to be continuously heated; the heat exchanger 25 is vertically arranged in the heat storage water tank; the heat-conducting medium inlet 15 is positioned at the lower part of the heat exchanger 25, and the heat-conducting medium outlet 15 is positioned at the upper part of the heat exchanger; the outlet and the inlet of the solar heat collector are respectively provided with a second temperature sensor 21 and a first temperature sensor 20; the second temperature sensor 21, the first temperature sensor 20 and the second circulating pump 17 are all communicated with a control system 31; the multi-energy composite heating and heat-insulating system is also provided with an air source heat pump 22 which is started when the solar heat-conducting medium of the heat collector is not enough to heat the heat storage water tank; the water inlet of the air source heat pump 22 is arranged at the lower part of one side of the heat storage water tank, the air source heat pump 22 is connected with the water inlet 12 of the air source heat pump on the heat storage water tank through a water inlet pipeline 4, and the water outlet pipeline 3 of the air source heat pump is connected with the top interface 11 of the heat storage water tank; the air source heat pump 22 is communicated with the control system 31; an electric heating tube 13 positioned at the bottom of the heat storage water tank is also arranged in the heat storage water tank; the electric heating pipe 13 is horizontally arranged; the hot water storage tank is communicated with a hot water demand place 7.
The non-vacuum heat collecting plate 1 is provided with a shell, a non-vacuum heat collecting pipe, a reflecting plate and an angle adjusting bolt; the reflector is arranged on one side of the shell through an angle adjusting bolt; the heat conducting medium in the non-vacuum heat collecting plate 1 is medical grade polyhydric alcohol (ethylene glycol, propylene glycol and glycerol), and the proper heat conducting medium is selected according to the temperature, so that the anti-freezing problem of a solar system can be avoided, wherein the non-vacuum heat collecting plate adopts the structure disclosed by application No. 108201524617. X and named as a non-vacuum solar heat collecting pipe.
The periphery of the inner pipe of the solar circulating pipeline 2 is provided with a heat-insulating outer pipe, glass wool heat-insulating particles 32 are arranged in the heat-insulating outer pipe, and the glass wool heat-insulating particles 32 are uniformly distributed in the heat-insulating outer pipe.
The heat storage water tank comprises a shell 28, a heat insulation layer 27 and an inner container 9, the shell is a cylinder, and the shell is provided with an air source heat pump water inlet and a first pressure release valve 10 arranged at the top; the heat insulation layer 27 is uniformly arranged around the inner container of the heat storage water tank by adopting polyurethane foaming; and a temperature sensor is arranged in the heat storage water tank.
When the solar thermal collector works, when the temperature difference between the first temperature sensor 20 and the second temperature sensor 21 is greater than 10 ℃ (adjustable), the second circulating pump 17 is automatically started, and when the temperature difference is less than 4 ℃, the circulation stops. When the temperature of the first temperature sensor 21 is more than or equal to 90 ℃ and is only 4-6 ℃ higher than the temperature of the third temperature sensor 24 in the heat storage water tank, the solar heat-conducting medium is mixed with the cold heat-conducting medium in the exchange tank 18 and then exchanges heat with the water in the heat storage water tank through the heat exchanger 25, and under the condition, the second circulating pump 17 stops for 20-30 minutes every 10 minutes of operation, and the sensors 20 and 21 and the circulating pump 17 in the solar circulating system are automatically controlled by the control system 31; the solar heating system automatically stops working at night.
When the solar heat-conducting medium of the heat collector is not enough to heat the temperature of the heat storage water tank, the control system starts the air source heat pump system 22 to continue heating the water in the heat storage water tank.
The air source heat pump water inlet set up the lower part in heat storage water tank one side, inlet channel 4 links to each other with heat storage water tank interface 12, outlet conduit 3 links to each other with heat storage water tank top interface 11. When the temperature reaches a set value, the air source heat pump automatically stops working, and when the temperature is lower than the set value, the air source heat pump automatically starts.
At night or when the ambient temperature is low, the combined work of the solar energy and the air source heat pump is still insufficient for heating water to the set temperature, and the electric heating pipe 13 is automatically started for auxiliary heating.
The electric heating tube 13 is made of metal tube as shell (stainless steel, copper tube, etc.), spiral electric heating alloy wires (nickel-chromium, iron-chromium alloy) are uniformly arranged along the central axial direction in the tube, the gap is filled with dense magnesium oxide powder with good insulation and heat conductivity, and the two ends of the tube mouth are sealed by silica gel. The electric heating tube has the advantages of simple structure, high mechanical strength, high heat efficiency, simple installation, safety, reliability, long service life and the like.
The water supply pipeline is connected with the heat storage water tank connector 5, the water return pipeline is connected with the heat storage water tank connector 6, and when the temperature of the fourth temperature sensor 26 is lower than 55 ℃ (adjustable), the first circulating pump 8 is automatically started; when the temperature of the fourth temperature sensor 26 is not less than 60 ℃ (adjustable), the first circulation pump 8 is automatically stopped.
The water inlet 14 of the heat storage water tank is arranged at the bottom of one side of the heat storage water tank, and when hot water flows out, the control system automatically supplements the same amount of cold water into the water tank, so that the water quantity in the heat storage water tank is kept unchanged.
As shown in fig. 2, the heat collecting water tank inner container 9 is wrapped by a heat insulating layer 27 formed by polyurethane foaming, and the heat insulating layer 27 is protected by a heat storage water tank shell 28; the heat storage water tank with the heat insulation layer 27 has the advantages of small heat conductivity coefficient, high strength, heat insulation, sound insulation, flame retardance, cold resistance and the like, and can effectively reduce the heat loss.
As shown in fig. 3, the heat-insulating water pipeline is composed of a conveying inner pipe 29 and a heat-insulating outer pipe 30, glass wool heat-insulating particles 32 are arranged in the heat-insulating outer pipe 30, the glass wool heat-insulating particles 32 are uniformly distributed in the heat-insulating outer pipe 30, and the particle size of the glass wool heat-insulating particles 32 is 10 μm-150 μm.
The utility model discloses a can have multiple mode, according to energy-conserving principle, be solar collector autonomous working (illumination is good daytime) in proper order, air source heat pump autonomous working (the relatively high night of ambient temperature), solar collector and air source heat pump combined work (the daytime that illumination is not good), air source heat pump and electrothermal tube combined work (the night that ambient temperature is low), solar collector, air source heat pump and electrothermal tube combined work (the daytime of ambient temperature polar region).
To sum up, the utility model discloses combine solar energy, air energy and electric energy to heat cold water, furthest reduces the consumption of energy and has energy saving, green's advantage when can satisfying production, life needs.
The control system is used for controlling the heat-conducting medium circulation, the water supply circulation, the air source heat pump water circulation, the electric heating pipe switch, the water inlet and the switching of each energy source of the heat collector; the document mainly gives the structure of the compound hot water system, and does not give an important explanation to the control system.

Claims (4)

1. The utility model provides a multipotency source complex heating heat preservation system which characterized in that: the multi-energy composite heating and heat preservation system is provided with a plurality of non-vacuum heat collection plates for collecting solar energy; the solar heat collector is formed by the plurality of non-vacuum heat collecting plates; the solar heat collector is connected with a heat-conducting medium inlet of a heat exchanger in the heat storage water tank through a solar circulating pipeline; the heat-conducting medium outlet of the heat exchanger is communicated with the solar heat collector through a second circulating pump; the heat exchanger is vertically arranged in the heat storage water tank; the heat-conducting medium inlet is positioned at the lower part of the heat exchanger, and the heat-conducting medium outlet is positioned at the upper part of the heat exchanger; the outlet and the inlet of the solar heat collector are respectively provided with a second temperature sensor and a first temperature sensor; the second temperature sensor, the first temperature sensor and the second circulating pump are all communicated with a control system; the multi-energy composite heating and heat-insulating system is also provided with an air source heat pump which is started when the solar heat-conducting medium of the heat collector is not enough to heat the heat storage water tank; the water inlet of the air source heat pump is arranged at the lower part of one side of the heat storage water tank, the air source heat pump is connected with the water inlet of the air source heat pump on the heat storage water tank through a water inlet pipeline, and a water outlet pipeline of the air source heat pump is connected with a top interface of the heat storage water tank; the air source heat pump is communicated with the control system; an electric heating pipe positioned at the bottom of the heat storage water tank is also arranged in the heat storage water tank; the electric heating tubes are horizontally arranged; the hot water storage tank is communicated with a hot water demand place.
2. The multi-energy composite heating and heat-preserving system as claimed in claim 1, wherein: the non-vacuum heat collecting plate is provided with a shell, a non-vacuum heat collecting pipe, a reflecting plate and an angle adjusting bolt; the reflector is arranged on one side of the shell through an angle adjusting bolt.
3. The multi-energy composite heating and heat-preserving system as claimed in claim 1, wherein: the solar circulating pipeline is characterized in that a heat-insulating outer pipe is arranged on the periphery of the inner pipe of the solar circulating pipeline, glass wool heat-insulating particles are arranged in the heat-insulating outer pipe, and the glass wool heat-insulating particles are uniformly distributed in the heat-insulating outer pipe.
4. The multi-energy composite heating and heat-preserving system as claimed in claim 1, wherein: the heat storage water tank comprises a shell, a heat insulation layer and an inner container, the shell is a cylinder, and the shell is provided with an air source heat pump water inlet and a pressure release valve arranged at the top; the heat preservation adopt the polyurethane foaming evenly to arrange around heat storage water tank inner bag, heat storage water tank inside be equipped with temperature sensor.
CN201921257989.9U 2019-08-06 2019-08-06 Multi-energy composite heating and heat-preserving system Active CN210267490U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921257989.9U CN210267490U (en) 2019-08-06 2019-08-06 Multi-energy composite heating and heat-preserving system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921257989.9U CN210267490U (en) 2019-08-06 2019-08-06 Multi-energy composite heating and heat-preserving system

Publications (1)

Publication Number Publication Date
CN210267490U true CN210267490U (en) 2020-04-07

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ID=70015956

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Application Number Title Priority Date Filing Date
CN201921257989.9U Active CN210267490U (en) 2019-08-06 2019-08-06 Multi-energy composite heating and heat-preserving system

Country Status (1)

Country Link
CN (1) CN210267490U (en)

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