CN106196258A - Heating water and saving energy system and control method thereof - Google Patents
Heating water and saving energy system and control method thereof Download PDFInfo
- Publication number
- CN106196258A CN106196258A CN201610496873.5A CN201610496873A CN106196258A CN 106196258 A CN106196258 A CN 106196258A CN 201610496873 A CN201610496873 A CN 201610496873A CN 106196258 A CN106196258 A CN 106196258A
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- Prior art keywords
- water
- boiler
- pump
- cistern
- heat pump
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D17/00—Domestic hot-water supply systems
- F24D17/02—Domestic hot-water supply systems using heat pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D17/00—Domestic hot-water supply systems
- F24D17/0026—Domestic hot-water supply systems with conventional heating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1051—Arrangement or mounting of control or safety devices for water heating systems for domestic hot water
- F24D19/1054—Arrangement or mounting of control or safety devices for water heating systems for domestic hot water the system uses a heat pump
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/32—Heat sources or energy sources involving multiple heat sources in combination or as alternative heat sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2220/00—Components of central heating installations excluding heat sources
- F24D2220/04—Sensors
- F24D2220/042—Temperature sensors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2220/00—Components of central heating installations excluding heat sources
- F24D2220/04—Sensors
- F24D2220/048—Level sensors, e.g. water level sensors
Abstract
The invention discloses a kind of heating water and saving energy system, including: cistern, being provided with heat pump height limit sensors, the first temperature sensor, boiler height limit sensors and the low limit sensors of boiler in cistern, described cistern is communicated with feed pipe and user's water lines；Air source heat-exchange system, including circulating air source heat pump and the second heat pump cycle pump；Boiler heat exchange system, boiler heat exchange system includes gas fired-boiler, heat exchanger, boiler circulation pump and the first heat pump cycle pump, heat exchanger connects with cistern, gas fired-boiler, boiler circulation pump and the first heat pump cycle pump respectively, boiler circulation pump and the first heat pump cycle pump connect gas fired-boiler and cistern, and gas fired-boiler is provided with smoke exhaust pipe；Using water return water system, this system connects with cistern.The present invention as main energy supplying system energy supply, boiler heat exchange system supplymentary energy supply, thus decreases using and consuming of natural gas by air source heat-exchange system, reduces energy consumption and cost, decreases environmental pollution.
Description
Technical field
The present invention relates to a kind of heating water and saving energy system, belong to heating, energy supply field, a kind of hot water joint
Can system and control method thereof.
Background technology
In recent years, oil and natural gas is developed rapidly and uses and multiple fields, but due to a large amount of uses of resource, makes
Obtaining city environmental pollution and atmospheric pollution is more serious, in order to improve air quality and environmental pollution, fuel policy is entered by China
Go adjustment, started to encourage public enterprises and institutions to utilize boiler to carry out concentrated combustion, provide heat energy, hot water for citizen, reduced
Pollute, and oil and natural gas is non-renewable resources, the most also can reduce the waste of resource.
But in present steam generator system, the natural gas that is substantially to burn is main, and not only natural gas demand is big, Er Qiecheng
This is higher, for non-renewable resources this kind of for natural gas, more wastes.It would therefore be desirable in original gas fired-boiler system
On the basis of system, design low energy consumption, environmental protection, efficient, the energy-saving and emission-reduction system of low cost.
Summary of the invention
Instant invention overcomes the deficiencies in the prior art, it is provided that a kind of heating water and saving energy system, solve conventional boiler system
Energy consumption and cost is high and blowdown flow rate is big technical barrier when system uses；Meanwhile, the invention also discloses this heating water and saving energy system
Control method.
For solving above-mentioned technical problem, the present invention by the following technical solutions:
Heating water and saving energy system, including:
Cistern, is provided with heat pump height limit sensors, the first temperature sensor, boiler height limit sensors in cistern
And the low limit sensors of boiler, described cistern is communicated with feed pipe and user's water lines；
Air source heat-exchange system, including the circulating air source heat pump all connected with described cistern and the second heat pump cycle
Pump, described circulating air source heat pump and the second heat pump cycle pump are interconnected also by pipeline；
Boiler heat exchange system, boiler heat exchange system includes gas fired-boiler, heat exchanger, boiler circulation pump and the first heat pump cycle
Pump, described heat exchanger connects with cistern, gas fired-boiler, boiler circulation pump and the first heat pump cycle pump respectively, and described boiler follows
Ring pump and the first heat pump cycle pump are also respectively communicated with gas fired-boiler and cistern, and described gas fired-boiler is provided with smoke exhaust pipe；
Using water return water system, this system connects with described cistern, for providing hot water for user's water lines and reclaiming
Many remaining hot waters.
The most perfect as the program, this heating water and saving energy system also includes residual neat recovering system.
The most perfect as the program, described residual neat recovering system includes waste-heat recoverer, described waste-heat recoverer
Being respectively communicated with the second constant temperature electrodynamic valve and described smoke exhaust pipe, described second constant temperature electrodynamic valve connects with cistern；Described waste heat
Withdrawer is additionally provided with smoke evacuation outlet, and described circulating air source heat pump is provided with smoke-intake pipe and pipe, smoke-intake pipe and going out
Smoke pipe all connects with smoke evacuation outlet, and described smoke evacuation outlet to be additionally provided with first between smoke-intake pipe and pipe electronic
Exhaust smoke valve, described circulating air source heat pump is additionally provided with wind-supplying mouth；Described smoke evacuation outlet is positioned at giving vent to anger of waste-heat recoverer
End end is additionally provided with air preheater, is also wound with preheating outside the smoke evacuation outlet between air preheater and waste-heat recoverer
Pipeline, preheating pipeline connects with feed pipe.
The most perfect as the program, is additionally provided with bypass pipe outside described waste-heat recoverer, bypass pipe two ends are divided
Not Lian Tong smoke exhaust pipe and smoke evacuation outlet, described bypass pipe is provided with the second electronic exhaust smoke valve and flue gas pressures sensor, institute
State waste-heat recoverer and be provided with the second temperature sensor, in described circulating air source heat pump, be additionally provided with the 4th temperature sensor.
The most perfect as the program, is also communicated with water supply electrodynamic valve between described feed pipe and cistern.
The most perfect as the program, described water return water system includes water system and return water system, described use
Water system includes the constant voltage circulating pump connected with described cistern, and constant voltage circulating pump directly connects by water lines with user；Described
Return water system includes the first constant temperature electrodynamic valve connected with described cistern, and the first constant temperature electrodynamic valve is directly and user's water lines
Connection, described first constant temperature electrodynamic valve pump is also associated with three-temperature sensor.
The most perfect as the program, this heating water and saving energy system also includes control system.
Compared with prior art, the invention has the beneficial effects as follows: the present invention by air source heat-exchange system as mainly for
Energy system energy supply, boiler heat exchange system supplymentary energy supply, thus decrease using and consuming of natural gas, reduce energy consumption and minimizing
Environmental pollution, and reduce cost.
Meanwhile, the invention also discloses the control method of above-mentioned heating water and saving energy system, this control method includes cistern
Inside carrying out water temperature control and water lev el control, water temperature controls and water lev el control is carried out simultaneously；
Wherein,
Water temperature controls to include:
Preset the design temperature of the first temperature sensor, water temperature value defeated in the first temperature sensor detection cistern
Sending water temperature signal to control system, control system performs following steps according to water temperature signal:
A1. when water temperature is higher than 45 DEG C, close circulating air source heat pump and the second heat pump cycle pump, open water supply electronic
Valve supply water, water temperature is closed water supply electrodynamic valve and is stopped supplying water after reaching design temperature；
A2. when water temperature is less than 40 DEG C, ON cycle formula air source heat pump and the second heat pump cycle pump, close water supply electronic
Valve stops supplying water, and water temperature closes circulating air source heat pump and the second heat pump cycle pump after reaching design temperature；
Water lev el control includes:
Water level in heat pump height limit sensors monitoring cistern, and export water level signal to control system, control system root
According to water level signal execution following steps:
If B1. water level is less than heat pump height limit sensors position, opens water supply electrodynamic valve and cistern is supplied water；
If B2. water level equals to or higher than heat pump height limit sensors position, close water supply electrodynamic valve and stop water-retention
Supply water in pond；
Described water temperature controls and in water lev el control, if meet water temperature control and water lev el control simultaneously, the most preferentially performs water level
Control.
The most perfect as the method, described water lev el control also includes boiler replenishing water control, and boiler replenishing water controls logical
Cross the low limit sensors of boiler and boiler height limit sensors monitoring cistern in boiler replenishing water water level, and export water level signal to
Control system, control system performs following steps according to water level signal:
If C1. boiler replenishing water water level is less than boiler low limit sensors position, open water supply electrodynamic valve, start first
Heat pump cycle pump, boiler circulation pump and gas fired-boiler；
If C2. boiler replenishing water water level is higher than boiler height limit sensors position, close water supply electrodynamic valve and gas-fired boiler
Stove, and time-delay closing the first heat pump cycle pump and boiler circulation pump.
The most perfect as the method, the time of described first heat pump cycle pump and boiler circulation pump time-delay closing is
10 minutes.
This method opening and closing by conservative control various parts, decreases the consumption of the unnecessary energy, and by controlling sky
Source of the gas heat-exchange system provides main heat energy, decreases the use of boiler heat exchange system, thus reduces the row of cost and pollutant
Put, simultaneously by water level and the water temperature of conservative control heating water and saving energy system so that it is be maintained at range of needs, ensureing the same of demand
Time reduce energy consumption.
Accompanying drawing explanation
With detailed description of the invention, the present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the heating water and saving energy system schematic of the present invention, and in figure, solid arrow direction represents flow direction；Dotted line in figure
Arrow represents flue gas flow direction；
Fig. 2 is the structural representation of residual neat recovering system；
Fig. 3 is the part-structure schematic diagram of Fig. 2；
Fig. 4 is the schematic diagram of the energy-saving control method of the present invention, and in figure, the direction of arrow represents flow direction；
Label in figure is expressed as: 1, cistern；2, gas fired-boiler；3, the second constant temperature electrodynamic valve；4, the second temperature
Sensor；5, waste-heat recoverer；6, smoke evacuation outlet；7, preheating pipeline；8, the second electronic exhaust smoke valve；9, flue gas pressures sensing
Device；10, bypass pipe；11, smoke exhaust pipe；12, wind-supplying mouth；13, the 4th temperature sensor；14, smoke-intake pipe；15, air preheater；
16, the first electronic exhaust smoke valve；17, pipe；18, circulating air source heat pump.
Detailed description of the invention
The present invention is further illustrated below in conjunction with the accompanying drawings.Embodiments of the present invention include but not limited to following reality
Execute example.
As it is shown in figure 1, heating water and saving energy system, including:
Cistern, is provided with heat pump height limit sensors, the first temperature sensor, boiler height limit sensors in cistern
And the low limit sensors of boiler, described cistern is communicated with feed pipe and user's water lines；
Air source heat-exchange system, including the circulating air source heat pump all connected with described cistern and the second heat pump cycle
Pump, described circulating air source heat pump and the second heat pump cycle pump are interconnected also by pipeline；
Boiler heat exchange system, boiler heat exchange system includes gas fired-boiler, heat exchanger, boiler circulation pump and the first heat pump cycle
Pump, described heat exchanger connects with cistern, gas fired-boiler, boiler circulation pump and the first heat pump cycle pump respectively, and described boiler follows
Ring pump and the first heat pump cycle pump are also respectively communicated with gas fired-boiler and cistern, and described gas fired-boiler is provided with smoke exhaust pipe；
Using water return water system, this system connects with described cistern, for providing hot water for user's water lines and reclaiming
Many remaining hot waters.
This heating water and saving energy system also includes residual neat recovering system.
Described residual neat recovering system includes that waste-heat recoverer, described waste-heat recoverer have been respectively communicated with the second constant temperature electrodynamic valve
With described smoke exhaust pipe, described second constant temperature electrodynamic valve connects with cistern；Described waste-heat recoverer is additionally provided with smoke evacuation outlet,
Described circulating air source heat pump is provided with smoke-intake pipe and pipe, smoke-intake pipe and pipe and all connects with smoke evacuation outlet, and
Described smoke evacuation outlet is additionally provided with the first electronic exhaust smoke valve, described circulating air source heat between smoke-intake pipe and pipe
Pump is additionally provided with wind-supplying mouth；Described smoke evacuation outlet is positioned at the outlet side end of waste-heat recoverer and is additionally provided with air preheater, empty
Also being wound with preheating pipeline outside smoke evacuation outlet between air preheater and waste-heat recoverer, preheating pipeline is with feed pipe even
Logical.
Being additionally provided with bypass pipe outside described waste-heat recoverer, bypass pipe two ends are respectively communicated with smoke exhaust pipe and smoke evacuation outlet
Pipe, described bypass pipe is provided with the second electronic exhaust smoke valve and flue gas pressures sensor, and described waste-heat recoverer is provided with second
Temperature sensor, is additionally provided with the 4th temperature sensor in described circulating air source heat pump.
Water supply electrodynamic valve also it is communicated with between described feed pipe and cistern.
Described water return water system includes that water system and return water system, described water system include with described cistern even
Logical constant voltage circulating pump, constant voltage circulating pump directly connects by water lines with user；Described return water system includes and described cistern
First constant temperature electrodynamic valve of connection, the first constant temperature electrodynamic valve directly connects by water lines with user, described first constant temperature electrodynamic valve
Pump is also associated with three-temperature sensor.
This heating water and saving energy system also includes control system.
The present embodiment municipal water supplies by feed pipe to cistern water-retention, and by heat pump height limit sensors, the
One temperature sensor, boiler height limit sensors and boiler low limit sensors detection water temperature inside and water level, thus control sky
Source of the gas heat-exchange system and boiler heat exchange system opening and closing carry out heat exchange, by providing hot water to user's water pipe with water return water system
Road.
The air source heat-exchange system of the present embodiment is entered with outside by circulating air source heat pump and the second heat pump cycle pump
Row heat exchange, the energy in circulating air source heat pump and extraneous air is as major impetus, it is possible to gradually reduce traditional heating to
A large amount of pollutant emissions that atmospheric environment is brought, environment-friendly high-efficiency, ensure environmental protection while demand for heat can be met.
The boiler heat exchange system of the present embodiment, is exchanged gas fired-boiler heat in the first heat pump cycle pump by heat exchanger
Warm water, it is achieved the warm water in the first heat pump cycle pump is heated, thus auxiliary when air source heat-exchange system cannot meet demand
Help heating, enable water temperature to quickly rise to design temperature, and when air source heat-exchange system disclosure satisfy that demand, boiler changes
Hot systems will not work, thus reduces energy consumption, reduces the consumption of excess energy.
The present embodiment, in order to reduce energy consumption further, reduces energy charge, also added residual neat recovering system, be used for reclaiming
Waste heat, preheats cold water.
Residual neat recovering system is as shown in Figure 1-Figure 3:
Residual neat recovering system includes that waste-heat recoverer 5, described waste-heat recoverer 5 have been respectively communicated with the second constant temperature electrodynamic valve 3
With described smoke exhaust pipe 11, described second constant temperature electrodynamic valve 3 connects with cistern 1；Described waste-heat recoverer 5 is additionally provided with discharges fume
Mouthful pipe 6, described circulating air source heat pump 18 be provided with smoke-intake pipe 14 and pipe 17, smoke-intake pipe 14 and pipe 17 all with arrange
Cigarette outlet 6 connects, and described smoke evacuation outlet 6 is additionally provided with the first electronic smoke evacuation between smoke-intake pipe 14 and pipe 17
Valve 16, described circulating air source heat pump 18 is additionally provided with wind-supplying mouth 12；Described smoke evacuation outlet 6 is positioned at waste-heat recoverer 5
Outlet side is additionally provided with air preheater 15, also twines outside the smoke evacuation outlet 6 between air preheater 15 and waste-heat recoverer 5
Being wound with preheating pipeline 7, preheating pipeline 7 connects with feed pipe.
Gas fired-boiler 2 first passes through waste-heat recoverer 5 by the flue gas that smoke exhaust pipe 11 is discharged and absorbs partial heat for adding
After the water of heat the second constant temperature electrodynamic valve 3 place pipeline, another part flue gas is discharged by smoke evacuation outlet 6, and discharge fume outlet 6 row
When the flue gas gone out is by preheating pipeline 7 preheating preheating pipeline 7 inner cold water, the warm water after preheating is supplied water by feed pipe,
And still there is more heat transfer by the flue gas after preheating, now by air preheater 15, the new wind of air preheater 15 enters
Mouth end enters new wind thus regulates overall gas temperature, and then the gas in uniform temperature enter circulating air source heat pump 18
Interior use, circulating air source heat pump 18 is pumped by the second heat pump cycle after inside smoke heat is taken away the internal cold water of heating
Entering in cistern 1, the most circulating air source heat pump 18 supplements extraneous air by wind-supplying mouth 12, makes flue gas reach certain dilute
Enter smoke evacuation outlet 6 after degree of releasing and temperature to discharge, further with waste heat, reduce heat and distribute, improve heat utilization ratio,
Reducing energy consumption, meanwhile, the first electronic exhaust smoke valve 16 can control the exhaust smoke level of smoke evacuation outlet 6, such that it is able to regulation enters
Exhaust gas volumn in circulating air source heat pump 18, it is simple to the circulating abundant heat exchange of air source heat pump 18.
As preferably, being additionally provided with bypass pipe 10 outside waste-heat recoverer described in the present embodiment, bypass pipe 10 two ends are divided
Not Lian Tong smoke exhaust pipe 11 and smoke evacuation outlet 6, described bypass pipe 10 is provided with the second electronic exhaust smoke valve 8 and flue gas pressures sensing
Device 9, described waste-heat recoverer 5 is provided with the second temperature sensor 4, is additionally provided with the 4th temperature in described circulating air source heat pump 18
Degree sensor 13.Bypass pipe 10, by arranging flue gas pressures sensor 9, can detect smoke exhaust pipe 11 and smoke evacuation outlet 6 two ends
Pressure, when pressure is less than smoke evacuation outlet 6 pressure in smoke exhaust pipe 11, opens the second electronic exhaust smoke valve 8, and according to pressure condition
Control the completeness opened, thereby may be ensured that the smooth discharge of flue gas；Second temperature sensor 4 can detect waste heat recovery
Temperature in device 5, opens the second constant temperature electrodynamic valve 3 after reaching the second temperature sensor 4 setting value and supplies water, and the 4th temperature sensing
Device 13 then can detect temperature in circulating air source heat pump 18, discharges after flue gas is less than the 4th temperature sensor 13 design temperature
Inside smoke, enters flue gas heat exchange again.
The present embodiment can control the opening and closing of feed pipe and cistern by water supply electrodynamic valve, such that it is able to control easily
Water temperature and water level.
The present embodiment with water and backwater, arranges constant voltage circulating pump for convenience in user's water lines, for persistently carrying
For kinetic energy output warm water to user, and the first constant temperature electrodynamic valve detects the first constant temperature electrodynamic valve according to three-temperature sensor
Interior water temperature, after water temperature is reduced to use below temperature, opens the first constant temperature electrodynamic valve, reclaims the unnecessary warm water not used.
The present embodiment realizes the unlatching of above-mentioned multiple parts for convenience, is additionally provided with control system, and control system is permissible
Receive transducing signal, send opening and closing instruction, thus control the parts such as gas fired-boiler, valve, pump, heat exchanger, waste-heat recoverer
Opening and closing and work, it is achieved quick, Based Intelligent Control.
The control system of the present embodiment is prior art, the most no longer illustrates.
As shown in Figure 4, above-mentioned heating water and saving energy system can realize Energy Saving Control by following energy-saving control method, and this is energy-conservation
Control method includes carrying out water temperature control and water lev el control in cistern, and water temperature controls and water lev el control is carried out simultaneously；
Wherein,
Water temperature controls to include:
Preset the design temperature of the first temperature sensor, water temperature value defeated in the first temperature sensor detection cistern
Sending water temperature signal to control system, control system performs following steps according to water temperature signal:
A1. when water temperature is higher than 45 DEG C, close circulating air source heat pump and the second heat pump cycle pump, open water supply electronic
Valve supply water, water temperature is closed water supply electrodynamic valve and is stopped supplying water after reaching design temperature；
A2. when water temperature is less than 40 DEG C, ON cycle formula air source heat pump and the second heat pump cycle pump, close water supply electronic
Valve stops supplying water, and water temperature closes circulating air source heat pump and the second heat pump cycle pump after reaching design temperature；
Water lev el control includes:
Water level in heat pump height limit sensors monitoring cistern, and export water level signal to control system, control system root
According to water level signal execution following steps:
If B1. water level is less than heat pump height limit sensors position, opens water supply electrodynamic valve and cistern is supplied water；
If B2. water level equals to or higher than heat pump height limit sensors position, close water supply electrodynamic valve and stop water-retention
Supply water in pond；
Described water temperature controls and in water lev el control, if meet water temperature control and water lev el control simultaneously, the most preferentially performs water level
Control.
Described water lev el control also includes boiler replenishing water control, and boiler replenishing water controls by the low limit sensors of boiler and boiler
Boiler replenishing water water level in high limit sensors monitoring cistern, and export water level signal to control system, control system is according to water
Position signal execution following steps:
If C1. boiler replenishing water water level is less than boiler low limit sensors position, open water supply electrodynamic valve, start first
Heat pump cycle pump, boiler circulation pump and gas fired-boiler；
If C2. boiler replenishing water water level is higher than boiler height limit sensors position, close water supply electrodynamic valve and gas-fired boiler
Stove, and time-delay closing the first heat pump cycle pump and boiler circulation pump.
The time of described first heat pump cycle pump and boiler circulation pump time-delay closing is 10 minutes.
The energy-saving control method of the present embodiment can control water temperature and water level in cistern, while ensureing energy-saving and emission-reduction
Ensure to meet demand and use, it is possible to reasonably opening and closing corresponding system, reduce the use of unnecessary energy consumption.It is this as mentioned above
Bright embodiment.Each preferred embodiment for the present invention described previously, the preferred implementation in each preferred embodiment is such as
Fruit is not the most contradictory or premised on a certain preferred implementation, and each preferred implementation can arbitrarily superposition group
Close use, the design parameter in described embodiment and embodiment merely to clearly state the invention proof procedure of inventor,
And it is not used to limit the scope of patent protection of the present invention, the scope of patent protection of the present invention is still as the criterion with its claims,
The equivalent structure change that the description of every utilization present invention and accompanying drawing content are made, in like manner should be included in the protection of the present invention
In the range of.
Claims (10)
1. heating water and saving energy system, it is characterised in that including:
Cistern, is provided with heat pump height limit sensors, the first temperature sensor, boiler height limit sensors and pot in cistern
The low limit sensors of stove, described cistern is communicated with feed pipe and user's water lines；
Air source heat-exchange system, including the circulating air source heat pump all connected with described cistern and the second heat pump cycle pump,
Described circulating air source heat pump and the second heat pump cycle pump are interconnected also by pipeline；
Boiler heat exchange system, boiler heat exchange system includes gas fired-boiler, heat exchanger, boiler circulation pump and the first heat pump cycle pump,
Described heat exchanger connects with cistern, gas fired-boiler, boiler circulation pump and the first heat pump cycle pump respectively, described boiler circulation pump
Also being respectively communicated with gas fired-boiler and cistern with the first heat pump cycle pump, described gas fired-boiler is provided with smoke exhaust pipe；
Using water return water system, this system connects with described cistern, for for user's water lines provide hot water and reclaim unnecessary
Hot water.
Heating water and saving energy system the most according to claim 1, it is characterised in that this heating water and saving energy system also includes waste heat recovery
System.
Heating water and saving energy system the most according to claim 2, it is characterised in that described residual neat recovering system includes waste heat recovery
Device, described waste-heat recoverer has been respectively communicated with the second constant temperature electrodynamic valve and described smoke exhaust pipe, described second constant temperature electrodynamic valve and storage
Pond connects；Described waste-heat recoverer is additionally provided with smoke evacuation outlet, described circulating air source heat pump be provided with smoke-intake pipe and
Pipe, smoke-intake pipe and pipe all connect with smoke evacuation outlet, and described smoke evacuation outlet be positioned at smoke-intake pipe and pipe it
Between be additionally provided with the first electronic exhaust smoke valve, described circulating air source heat pump is additionally provided with wind-supplying mouth；Described smoke evacuation outlet position
Outlet side end in waste-heat recoverer is additionally provided with air preheater, the smoke evacuation outlet between air preheater and waste-heat recoverer
Also being wound with preheating pipeline outside pipe, preheating pipeline connects with feed pipe.
Heating water and saving energy system the most according to claim 3, it is characterised in that be additionally provided with side outside described waste-heat recoverer
Siphunculus, bypass pipe two ends be respectively communicated with smoke exhaust pipe and smoke evacuation outlet, described bypass pipe is provided with the second electronic exhaust smoke valve and
Flue gas pressures sensor, described waste-heat recoverer is provided with the second temperature sensor, also sets in described circulating air source heat pump
There is the 4th temperature sensor.
Heating water and saving energy system the most according to claim 1, it is characterised in that also connect between described feed pipe and cistern
There is water supply electrodynamic valve.
6. according to the heating water and saving energy system described in any one of claim 1-5, it is characterised in that described water return water system includes
Water system and return water system, described water system includes the constant voltage circulating pump connected with described cistern, and constant voltage circulating pump is straight
Connect and connect by water lines with user；Described return water system includes the first constant temperature electrodynamic valve connected with described cistern, and first is permanent
Temperature electrodynamic valve directly connects by water lines with user, and described first constant temperature electrodynamic valve pump is also associated with three-temperature sensor.
7. according to the heating water and saving energy system described in any one of claim 1-5, it is characterised in that this heating water and saving energy system also includes
Control system.
8. the control method of heating water and saving energy system, it is characterised in that this energy-saving control method includes carrying out water temperature in cistern
Controlling and water lev el control, water temperature controls and water lev el control is carried out simultaneously；
Wherein,
Water temperature controls to include:
Preset the design temperature of the first temperature sensor, water temperature value carry water in the first temperature sensor detection cistern
Temperature signal is to control system, and control system performs following steps according to water temperature signal:
A1. when water temperature is higher than 45 DEG C, close circulating air source heat pump and the second heat pump cycle pump, open water supply electrodynamic valve and supply
Water, water temperature is closed water supply electrodynamic valve and is stopped supplying water after reaching design temperature；
A2. when water temperature is less than 40 DEG C, ON cycle formula air source heat pump and the second heat pump cycle pump, close water supply electrodynamic valve and stop
Only supplying water, water temperature closes circulating air source heat pump and the second heat pump cycle pump after reaching design temperature；
Water lev el control includes:
Water level in heat pump height limit sensors monitoring cistern, and export water level signal to control system, control system is according to water
Position signal execution following steps:
If B1. water level is less than heat pump height limit sensors position, opens water supply electrodynamic valve and cistern is supplied water；
If B2. water level equals to or higher than heat pump height limit sensors position, close water supply electrodynamic valve and stop cistern being supplied
Water；
Described water temperature controls and in water lev el control, if meet water temperature control and water lev el control simultaneously, the most preferentially performs water lev el control.
The control method of heating water and saving energy system the most according to claim 8, it is characterised in that described water lev el control also includes
Boiler replenishing water controls, and boiler replenishing water controls by pot in the low limit sensors of boiler and boiler height limit sensors monitoring cistern
Stove moisturizing water level, and export water level signal to control system, control system performs following steps according to water level signal:
If C1. boiler replenishing water water level is less than boiler low limit sensors position, opens water supply electrodynamic valve, start the first heat pump
Circulating pump, boiler circulation pump and gas fired-boiler；
If C2. boiler replenishing water water level is higher than boiler height limit sensors position, close water supply electrodynamic valve and gas fired-boiler, and
Time-delay closing the first heat pump cycle pump and boiler circulation pump.
The control method of heating water and saving energy system the most according to claim 9, it is characterised in that described first heat pump cycle
The time of pump and boiler circulation pump time-delay closing is 10 minutes.
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Application publication date: 20161207 |