CN111780197A - Novel distributed heating network heating system - Google Patents

Novel distributed heating network heating system Download PDF

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Publication number
CN111780197A
CN111780197A CN202010695864.5A CN202010695864A CN111780197A CN 111780197 A CN111780197 A CN 111780197A CN 202010695864 A CN202010695864 A CN 202010695864A CN 111780197 A CN111780197 A CN 111780197A
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CN
China
Prior art keywords
heat
water
solar
collector
heating
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010695864.5A
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Chinese (zh)
Inventor
苏树强
肖洪海
刘迟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhuneng Technology Suqian Co ltd
Jiangsu Xunenggu Industrial Co ltd
Original Assignee
Zhuneng Technology Suqian Co ltd
Jiangsu Xunenggu Industrial Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhuneng Technology Suqian Co ltd, Jiangsu Xunenggu Industrial Co ltd filed Critical Zhuneng Technology Suqian Co ltd
Priority to CN202010695864.5A priority Critical patent/CN111780197A/en
Publication of CN111780197A publication Critical patent/CN111780197A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00Hot-water central heating systems
    • F24D3/08Hot-water central heating systems in combination with systems for domestic hot-water supply
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D13/00Electric heating systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D15/00Other domestic- or space-heating systems
    • F24D15/02Other domestic- or space-heating systems consisting of self-contained heating units, e.g. storage heaters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00Details
    • F24D19/10Arrangement or mounting of control or safety devices
    • F24D19/1006Arrangement or mounting of control or safety devices for water heating systems
    • F24D19/1009Arrangement or mounting of control or safety devices for water heating systems for central heating
    • F24D19/1045Arrangement or mounting of control or safety devices for water heating systems for central heating the system uses a heat pump and solar energy
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00Hot-water central heating systems
    • F24D3/10Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
    • F24D3/1058Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system disposition of pipes and pipe connections
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00Hot-water central heating systems
    • F24D3/12Tube and panel arrangements for ceiling, wall, or underfloor heating
    • F24D3/14Tube and panel arrangements for ceiling, wall, or underfloor heating incorporated in a ceiling, wall or floor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00Hot-water central heating systems
    • F24D3/18Hot-water central heating systems using heat pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S10/00Solar heat collectors using working fluids
    • F24S10/40Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S10/00Solar heat collectors using working fluids
    • F24S10/70Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S20/00Solar heat collectors specially adapted for particular uses or environments
    • F24S20/40Solar heat collectors combined with other heat sources, e.g. using electrical heating or heat from ambient air
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/20Solar thermal
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/70Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/44Heat exchange systems

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Water Supply & Treatment (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

The invention provides a novel distributed heating network heating system, which at least comprises: the solar energy heat collector is characterized in that the solar energy heat collector takes air as a heat transfer medium, a phase change energy storage core is arranged in the solar energy heat collector, and redundant solar heat is stored in a phase change energy storage material; one end of the gas-water heat exchanger is connected with the solar heat collector, the other end of the gas-water heat exchanger is connected with the circulating fan, hot air from the solar heat collector exchanges heat with cold water in the gas-water heat exchanger, the water with lower temperature is heated and converged into a water supply pipeline, and heat is supplied to a user through the heat dissipation tail end; the heating hot water is mainly provided by the heat unit, and the solar heat collector is used for auxiliary heating, so that the whole distributed heat supply network heating system is formed.

Description

Novel distributed heating network heating system
Technical Field
The invention relates to a novel distributed heating network heating system, and belongs to the field of new energy technology and clean energy.
Background
The energy is essential material resource for human production and life, plays a vital role in social development and human survival, and is large in energy use condition waste, heavy in pollution and low in resource utilization rate in China. The energy storage technology is an important technology for improving the energy application efficiency, adjusting the energy structure and further promoting the upgrading of the industrial structure in China and realizing the economic green growth, the containment growth and the continuous growth. Compared with the electricity storage technology, the energy storage technology has low cost and high efficiency, and has obvious competitive advantages in the fields of heat utilization and heat demand.
The heating modes in China mainly comprise coal-fired boilers, gas wall-mounted boilers, electric boilers, air source heat pumps and the like. The coal-fired boiler is adopted for heating, the heating capacity is strong, but the coal-fired boiler is often limited by the laying of a gas pipe network, the requirements of most people cannot be met, the use cost is too high, and the environmental pollution is serious; the wall-mounted gas boiler is suitable for household use, has a small heat supply range and high use cost, and has certain pollution to the environment; when the air source heat pump is used for heating, the energy-saving effect is good, but the defects that the heating temperature is low, the comfort cannot be guaranteed, the fault is high, the requirement on the maintenance specificity is high and the like exist.
The invention provides a novel distributed heat supply network heating system which mainly utilizes a phase change energy storage technology and combines solar energy to meet the requirements of building heating, domestic hot water and the like in a centralized manner. The system integrates renewable energy technology, comprises a solar heat utilization module, a heat unit and a hydraulic module, and forms a multi-energy complementary integrated system. The distributed heat supply network is optimized from design to operation according to the same principle: solar energy is preferentially utilized, and a heat supply technology in a heat unit is used as a final basic guarantee, so that the cascade utilization of energy is realized, and the operating cost of the system is reduced.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide a novel distributed heat supply network heating system that can satisfy heating requirements and solar energy utilization, and reduce environmental pollution.
The invention provides a novel distributed heating network heating system, which comprises: the solar heat collector comprises a solar heat collector, a gas-water heat exchanger, a circulating fan, a heat dissipation tail end and a heat unit, and is characterized in that the solar heat collector takes air as a heat transfer medium; one end of the gas-water heat exchanger is connected with the solar heat collector, the other end of the gas-water heat exchanger is connected with the circulating fan, hot air from the solar heat collector exchanges heat with cold water in the gas-water heat exchanger, the water with lower temperature is heated and converged into a water supply pipeline, and heat is supplied to a user through the heat dissipation tail end; the heating hot water is mainly provided by the heat unit, and the solar heat collector is used for auxiliary heating, so that the whole distributed heat supply network heating system is formed.
Further, the distributed heating network heating system of the present invention is characterized in that: the distributed heat supply network heating system is divided into three modules, namely a solar heat utilization module, a heat unit module and a hydraulic module.
Further, the distributed heating network heating system of the present invention is characterized in that: the solar heat collector uses air as a medium, exchanges heat between the collected heat and hot water through the air-water heat exchanger, and uses solar energy as an energy source.
Further, the distributed heating network heating system of the present invention is characterized in that: the solar heat collector comprises a two-way direct current vacuum tube with a spiral structure at the bottom and a phase change energy storage core arranged in the vacuum tube, wherein the phase change energy storage core stores redundant solar energy.
Further, the distributed heating network heating system of the present invention is characterized in that: the hydraulic module consists of a circulating water pump and auxiliary equipment thereof, and the heat dissipation tail end can be composed of a geothermal coil, a radiator and the like.
Further, the distributed heating network heating system of the present invention is characterized in that: the heat unit can be composed of an air source heat pump, a solar energy combined air source heat pump, a valley point electricity energy storage boiler and the like.
Further, the distributed heating network heating system of the present invention is characterized in that: the distributed heat supply network heating system preferentially uses solar energy and secondly uses the heat unit for heat supply.
Further, the distributed heating network heating system of the present invention is characterized in that: all pipelines of the distributed heat supply network heating system are controlled by temperature, and the temperature which can be sensed by the temperature probe is in a smaller range, so that the flow of the pipelines is controlled, and the air volume of the fan is controlled.
The distributed heat supply network heating system utilizes solar energy, converts the solar energy into heat energy to generate heat exchange with water, and redundant heat is stored in the energy storage material in the energy storage core.
The distributed heat supply network heating system can realize energy cascade utilization, renewable energy utilization and phase change heat storage, simultaneously improves the operating efficiency and the solar energy utilization rate of the heating system, and the heat unit can avoid the operation of the system under the most unfavorable working condition, thereby ensuring the stability of the system operation and improving the system operation efficiency.
Drawings
Fig. 1 shows a schematic diagram of a distributed heating network heating system according to the present invention.
Detailed Description
The invention provides a novel distributed heating network heating system, which at least comprises: the solar energy heat collector, gas-water heat exchanger, circulating fan, heat dissipation end, thermal unit. The heat dissipating ends may be formed from geothermal coils, radiators, and the like. The heat unit can be composed of an air source heat pump, a solar energy combined air source heat pump, a valley point electricity energy storage boiler and the like. The novel distributed heat supply network heating system preferentially utilizes solar energy, and the heat supply technology in the heat unit is used as the final basic guarantee, so that the requirements of building heating, domestic hot water and the like are met.
The distributed heat supply network heating system is characterized by comprising a heat collector heating mode, a heat unit heating mode, a hybrid heating mode, a heat storage mode and a domestic hot water mode, and can be freely set according to the requirements of users in the operation process of the system.
The heat supply mode of the heat collector is as follows: in the time period when solar energy is sufficient and heating is needed, hot air in the heat collector enters the air-water heat exchanger to exchange heat with water, and the heat is taken out through flowing hot water; the flowing hot water releases heat through the heat dissipation tail end, the indoor temperature is increased, and the requirement of heating a room in winter is met.
Thermal unit heating mode: the heat unit is the last basic guarantee of heating system, and when no solar energy, provides the heat by heat unit hot water, satisfies the building heat supply demand. The hot water of the heat unit is provided by heat exchange between a heat exchanger in the air source heat pump and water or provided by a valley point energy storage boiler.
And (3) hybrid heating mode: under the condition of insufficient solar energy, the heat unit and the heat collector jointly supply heat to meet the heat supply requirement of the building. The hot water of the heat unit is provided by heat exchange between a heat exchanger in the air source heat pump and water or provided by a valley point energy storage boiler.
A heat storage mode: under the condition that solar energy is sufficient and surplus exists, the phase-change energy storage core completes storage of solar heat through the phase-change energy storage material, and the stored energy can release heat when the solar energy is insufficient. The phase-change energy storage core improves the utilization rate of solar energy and improves the stability of the heat collector.
The life hot water mode: through the combination of air type solar energy and a heat unit heat supply technology, hot water required by life can be provided at any time.
In the operation process of the system, the system is regulated and controlled through PLC logic control, and a temperature monitor and a pressure monitor are arranged on each pipeline to provide system data. The user side can freely set the required temperature and start and stop the system to regulate the temperature of the room. The air outlet temperature of the air type solar heat collector is controlled by the temperature probe of the outlet, and the temperature of a room can be controlled by adjusting the bypass circulating water quantity on the user side.
Effects of the implementation
This novel distributed heat supply network heating system can realize energy cascade utilization, renewable energy utilization, phase change heat accumulation, has improved the operating efficiency and the solar energy utilization ratio of system simultaneously, and the operation of system under the most unfavorable operating mode can be avoided to the thermal unit to the stability of system's operation has been guaranteed.
The novel distributed heat supply network heating system has the characteristics of environmental protection, energy conservation, no pollution emission and the like; the energy storage material is non-toxic and non-corrosive, and has high energy storage density and small occupied area; PLC programming control is adopted, and remote management operation can be realized; the surplus energy is efficiently utilized, and the operation cost is low.

Claims (8)

1. A novel distributed heat network heating system, comprising at least: the solar heat collector comprises a solar heat collector, a gas-water heat exchanger, a circulating fan, a heat dissipation tail end and a heat unit, and is characterized in that the solar heat collector takes air as a heat transfer medium; one end of the gas-water heat exchanger is connected with the solar heat collector, the other end of the gas-water heat exchanger is connected with the circulating fan, hot air from the solar heat collector exchanges heat with cold water in the gas-water heat exchanger, the water with lower temperature is heated and converged into a water supply pipeline, and heat is supplied to a user through the heat dissipation tail end; the heating hot water is mainly provided by the heat unit, and the solar heat collector is used for auxiliary heating, so that the whole distributed heat supply network heating system is formed.
2. The system of claim 1, further comprising: the distributed heat supply network heating system is divided into three modules, namely a solar heat utilization module, a heat unit module and a hydraulic module.
3. The system of claim 1, further comprising: the solar heat collector uses air as a medium, exchanges heat between the collected heat and hot water through the air-water heat exchanger, and uses solar energy as an energy source.
4. The system of claim 1, further comprising: the solar heat collector comprises a two-way direct current vacuum tube with a spiral structure at the bottom and a phase change energy storage core arranged in the vacuum tube.
5. The system of claim 1, further comprising: the heat unit can be composed of an air source heat pump, a solar energy combined air source heat pump, a valley point electricity energy storage boiler and the like.
6. The system of claim 1, further comprising: the hydraulic module consists of a circulating water pump and auxiliary equipment thereof, and the heat dissipation tail end can be composed of a geothermal coil, a radiator and the like.
7. The system of claim 1, further comprising: the distributed heat supply network heating system preferentially uses solar energy and secondly uses the heat unit for heat supply.
8. The system of claim 1, further comprising: all pipelines of the distributed heat supply network heating system are controlled by temperature, and the temperature which can be sensed by the temperature probe is in a smaller range, so that the flow of the pipelines is controlled, and the air volume of the fan is controlled.
CN202010695864.5A 2020-07-20 2020-07-20 Novel distributed heating network heating system Pending CN111780197A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010695864.5A CN111780197A (en) 2020-07-20 2020-07-20 Novel distributed heating network heating system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010695864.5A CN111780197A (en) 2020-07-20 2020-07-20 Novel distributed heating network heating system

Publications (1)

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CN111780197A true CN111780197A (en) 2020-10-16

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Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119245096A (en) * 2024-12-04 2025-01-03 山西瑞海节能网控电热集中供暖有限公司 A new type of distributed heating network heating system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119245096A (en) * 2024-12-04 2025-01-03 山西瑞海节能网控电热集中供暖有限公司 A new type of distributed heating network heating system

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Application publication date: 20201016

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