CN106091476B - The association system of closed-loop ground source heat pump and electric hot water storage tank - Google Patents

The association system of closed-loop ground source heat pump and electric hot water storage tank Download PDF

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Publication number
CN106091476B
CN106091476B CN201610615692.XA CN201610615692A CN106091476B CN 106091476 B CN106091476 B CN 106091476B CN 201610615692 A CN201610615692 A CN 201610615692A CN 106091476 B CN106091476 B CN 106091476B
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China
Prior art keywords
water
source heat
heat pump
storage tank
circulating pump
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CN201610615692.XA
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CN106091476A (en
Inventor
雷艳杰
尤丽
吴军
张春林
张军
梁忠
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Beijing Huayu Energy Technology Ltd By Share Ltd
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Beijing Huayu Energy Technology Ltd By Share Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B29/00Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/20Disposition of valves, e.g. of on-off valves or flow control valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00Problems to be solved
    • F25B2500/05Cost reduction

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)

Abstract

The present invention relates to the association systems of a kind of closed-loop ground source heat pump and electric hot water storage tank, belong to Heating,Ventilating and Air Conditioning technical field in new energy field, including:Water source heat pump units, end side water circulating pump, buried side water circulating pump further include electric hot water storage tank and two temperature-control electric control valves;Wherein:The hot water inlet of water source heat pump units condenser is connected with the outlet of end side water circulating pump, the cooling water outlet of water source heat pump units evaporator is connected with the water supply line of buried side, the cold water inlet of water source heat pump units evaporator is connected with the outlet of buried side water circulating pump, buried side water circulating pump entrance is connected with the outlet of electric hot water storage tank, buried side water circulating pump entrance is also connected with the second motor regulated valve, the entrance of electric hot water storage tank is connected by the first motor regulated valve with the water return pipeline of buried side, the entrance of first motor regulated valve is also connected with the second motor regulated valve.The present invention can reduce operating cost with peak load shifting, reduce electric increase-volume amount.

Description

The association system of closed-loop ground source heat pump and electric hot water storage tank
Technical field
The invention belongs to Heating,Ventilating and Air Conditioning technical field in new energy field, more particularly to a kind of closed-loop ground source heat pump and electricity The association system of hot water storage tank.
Background technology
With attention of the country to energy-saving and emission-reduction, new energy has obtained good popularization, and ground-source heat pump system is as a kind of New energy is gradually recognized the stage.In ground-source heat pump system, buried guard system has obtained good application.At present, because It is cold that buried guard system cardinal principle is that summer takes from soil, and winter takes heat, the energy unbalance factor in two seasons from soil Generally do not allow more than 15%.Buried guard system is few applied to the systematic comparison only to heat, because of the unbalanced problem of its energy simultaneously It is not well solved, it is impossible to effectively reduce operating cost.
Invention content
The present invention is to overcome the shortcoming of prior art, designs a kind of closed-loop ground source heat pump and electric hot water storage tank Association system, the present invention can reduce electric increase-volume amount with peak load shifting;Low ebb electricity price can be made full use of to carry out accumulation of energy, reduce operation Expense;Heat imbalance when ground-source heat pump system is only used for heating can also be supplemented.
The present invention proposes the association system of a kind of closed-loop ground source heat pump and electric hot water storage tank, which mainly includes:By The water source heat pump units of evaporator and condenser composition, end side water circulating pump, buried side water circulating pump, which is characterized in that also Including electric hot water storage tank and two temperature-control electric control valves;Its connection relation is:The hot water of water source heat pump units condenser goes out Mouth is connected with the water supply line of end heating, the hot water inlet of water source heat pump units condenser and the outlet of end side water circulating pump It is connected, end side water circulating pump entrance is connected with the water return pipeline of end heating;The cooling water outlet of water source heat pump units evaporator It is connected with the water supply line of buried side, the outlet phase of the cold water inlet of water source heat pump units evaporator and buried side water circulating pump Even, buried side water circulating pump entrance is connected with the outlet of electric hot water storage tank, and buried side water circulating pump entrance is also electric with the second temperature control Dynamic control valve is connected, and the entrance of electric hot water storage tank passes through the first temperature-control electric control valve and the water return pipeline phase of buried side Even, the entrance of the first temperature-control electric control valve is also connected with the second temperature-control electric control valve.
The features of the present invention and advantageous effect:
The present invention increases hot water storage tank, the first temperature-control electric tune in the heat source side of existing buried pipe ground-source heat pump system Save valve and the second temperature-control electric control valve.Can electric increase-volume amount be reduced with peak load shifting;Low ebb electricity price can be made full use of to carry out Accumulation of energy reduces operating cost;Heat imbalance when ground-source heat pump system is only used for heating can also be supplemented.
Description of the drawings
Fig. 1 is the system composing and working theory schematic diagram of the present invention.
Specific embodiment
Closed-loop ground source heat pump proposed by the present invention and the association system combination accompanying drawings and embodiments of electric hot water storage tank are detailed It is described as follows
The association system of the closed-loop ground source heat pump that this hair proposes and electric hot water storage tank is formed as shown in Figure 1, system master Including:The water source heat pump units 1 that are made of evaporator and condenser, end side water circulating pump 2, buried side water circulating pump 3, It is characterized in that, further includes electric hot water storage tank 4, the first temperature-control electric control valve 51, the second temperature-control electric control valve 52;It connects The relationship of connecing is:The hot water outlet 11 of 1 condenser of water source heat pump units is connected with the water supply line of end heating, water source heat pump units The hot water inlet 12 of 1 condenser is connected with the outlet 21 of end side water circulating pump 2,2 entrance 22 of end side water circulating pump and end The water return pipeline of heating is connected;The cooling water outlet 13 of 1 evaporator of water source heat pump units is connected with the water supply line of buried side, water source The cold water inlet 14 of 1 evaporator of heat pump unit is connected with the outlet 31 of buried side water circulating pump 3, buried 3 entrance of side water circulating pump 32 are connected with the outlet 42 of electric hot water storage tank 4, buried 3 entrance 32 of side water circulating pump also with 52 phase of the second temperature-control electric control valve Even, the entrance 41 of electric hot water storage tank 4 is connected by the first temperature-control electric control valve 51 with the water return pipeline of buried side, the first temperature The entrance of control motor regulated valve 51 is also connected with the second temperature-control electric control valve 52.
Each equipment of above system uses conventional products.
The operation principle of this system:
By all water source heat pump units, end side water circulating pump, source water circulating pump, electric hot water storage tank, motorized adjustment Valve is attached as requested.In energy supplying system operation on daytime, the water of water source heat pump units Yuan Shui sides flows through outlet 13, flows into Ground heat exchanger system, ground heat exchanger system return water when return water temperature is less than 5 DEG C, open the first temperature-control electric tune Valve 51 to 100% is saved, closes the second temperature-control electric control valve 52,4 entrance 41 of electric hot water storage tank is flowed into, in electric hot water storage tank After 4 vulcanize and fill, from 42 outflow of outlet, pass through buried side water circulating pump 3 cycle and flow into water source heat pump units entrance 14;It is returning When coolant-temperature gage is higher than 10 DEG C, the first temperature-control electric control valve 51 is closed, the second temperature-control electric control valve 52 is opened and arrives 100%, it is recycled by buried side water circulating pump 3 and flows into water source heat pump units entrance 14.By control above can realize it is buried During heat exchange of heat pipe system supplying energy deficiency, met by hot water storage tank.The water of water source heat pump units end side flows through 11 and goes out Mouthful, end system is flowed into, return water is recycled by end side water circulating pump 2 and flows into water source heat pump units entrance 12.At night, electricity consumption Low-valley interval, electric hot water storage tank 4 carry out accumulation of heat cycle, and meeting using for daytime can demand.Water source heat pump units, source recirculated water Pump, end side water circulating pump, electric control valve are conventional products.Electric hot water storage tank belongs to unconventional product, using copper material system Make, water inlet caliber is DN80, and level header is φ 44*1.5, and vertical tube is that φ 28.6*1.2 vertical tube spacing is 100mm, is highly 1600mm, level header length are 1000mm, and water (flow) direction is flows from above to below.

Claims (1)

1. the association system of a kind of closed-loop ground source heat pump and electric hot water storage tank, the system mainly include:By evaporator and condensation The water source heat pump units of device composition, end side water circulating pump, buried side water circulating pump, which is characterized in that further include electric accumulation of heat water Case and two temperature-control electric control valves;Its connection relation is:The hot water outlet of water source heat pump units condenser and end heating Water supply line be connected, the hot water inlet of water source heat pump units condenser is connected with the outlet of end side water circulating pump, end side Water circulating pump entrance is connected with the water return pipeline of end heating;The cooling water outlet of water source heat pump units evaporator and the confession of buried side Waterpipe is connected, and the cold water inlet of water source heat pump units evaporator is connected with the outlet of buried side water circulating pump, buried side cycle Pump entrance is connected with the outlet of electric hot water storage tank, buried side water circulating pump entrance also with the second temperature-control electric control valve (52) It is connected, the entrance of electric hot water storage tank is connected by the first temperature-control electric control valve (51) with the water return pipeline of buried side, and first The entrance of temperature-control electric control valve (51) is also connected with the second temperature-control electric control valve (52);
In energy supplying system operation on daytime, the water of water source heat pump units Yuan Shui sides flows through outlet (13), flows into ground heat exchanger System, ground heat exchanger system return water when return water temperature is less than 5 DEG C, is opened the first temperature-control electric control valve (51) and are arrived 100%, the second temperature-control electric control valve (52) is closed, electric hot water storage tank (4) entrance (41) is flowed into, in electric hot water storage tank (4) After vulcanize and filling, from (42) outflow is exported, pass through buried side water circulating pump (3) cycle and flow into water source heat pump units entrance (14);When return water temperature is higher than 10 DEG C, the first temperature-control electric control valve (51) is closed, opens the second temperature-control electric regulating valve Door (52) is recycled by buried side water circulating pump (3) to 100% and flows into water source heat pump units entrance (14);By controlling above When can realize ground heat exchanger system supplying energy deficiency, met by hot water storage tank;Water source heat pump units end side Water flow through (11) outlet, flow into end system, return water by end side water circulating pump (2) recycle flow into water source heat pump units enter Mouth (12);At night, low power consumption period, electric hot water storage tank (4) carries out accumulation of heat cycle, and meeting using for daytime can demand.
CN201610615692.XA 2016-07-29 2016-07-29 The association system of closed-loop ground source heat pump and electric hot water storage tank Active CN106091476B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108518717A (en) * 2018-04-28 2018-09-11 北京华誉能源技术股份有限公司 A kind of municipal administration heating system, heat supply method and charging method
CN109307383A (en) * 2018-08-02 2019-02-05 北京米兰阳光科技发展有限公司 A kind of water source heat pump system and control method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101556082A (en) * 2009-05-11 2009-10-14 天津大学 Hot water supply system by solar energy storage heat and ground source heat pump
CN201449084U (en) * 2009-06-29 2010-05-05 大连葆光节能空调设备厂 Tubular pile ground source heat pump system
CN101738001A (en) * 2009-12-18 2010-06-16 同济大学 Composite energy system of solar energy, ground source heat pump and chilled water storage
CN204880477U (en) * 2015-07-17 2015-12-16 北京中科华誉能源技术发展有限责任公司 Utilize air conditioning system of ground pipe laying earth source heat pump coupling ladder electrovalency energy storage equipment
CN205919559U (en) * 2016-07-29 2017-02-01 北京华誉能源技术股份有限公司 Ground pipe laying earth source heat pump and electric heat storage tank's combination system

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* Cited by examiner, † Cited by third party
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JPH11281203A (en) * 1998-01-27 1999-10-15 Nkk Corp Soil heat source heat pump system and its operation method
JP2001183030A (en) * 1999-10-12 2001-07-06 Kubota Corp Geothermal sampling testing device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101556082A (en) * 2009-05-11 2009-10-14 天津大学 Hot water supply system by solar energy storage heat and ground source heat pump
CN201449084U (en) * 2009-06-29 2010-05-05 大连葆光节能空调设备厂 Tubular pile ground source heat pump system
CN101738001A (en) * 2009-12-18 2010-06-16 同济大学 Composite energy system of solar energy, ground source heat pump and chilled water storage
CN204880477U (en) * 2015-07-17 2015-12-16 北京中科华誉能源技术发展有限责任公司 Utilize air conditioning system of ground pipe laying earth source heat pump coupling ladder electrovalency energy storage equipment
CN205919559U (en) * 2016-07-29 2017-02-01 北京华誉能源技术股份有限公司 Ground pipe laying earth source heat pump and electric heat storage tank's combination system

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Inventor after: Lei Yanjie

Inventor before: Lei Yanjie

Inventor before: You Li

Inventor before: Wu Jun

Inventor before: Zhang Chunlin

Inventor before: Zhang Jun

Inventor before: Liang Zhong

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