CN107726426A - Double thermal source complementary heating systems and its implementation - Google Patents
Double thermal source complementary heating systems and its implementation Download PDFInfo
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- CN107726426A CN107726426A CN201711113276.0A CN201711113276A CN107726426A CN 107726426 A CN107726426 A CN 107726426A CN 201711113276 A CN201711113276 A CN 201711113276A CN 107726426 A CN107726426 A CN 107726426A
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- heating
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- generator set
- heat pump
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Classifications
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- 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
- F24D3/00—Hot-water central heating systems
- F24D3/18—Hot-water central heating 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
- 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
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
- F24D19/1039—Arrangement or mounting of control or safety devices for water heating systems for central heating the system uses a heat pump
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- 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
- F24D3/00—Hot-water central heating systems
- F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
-
- 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
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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)
- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
The invention provides a kind of double thermal source complementary heating systems and its implementation, and it includes the connecting line and connecting line of Gas Generator Set, net for air-source heat pump units, Gas Generator Set water circulating pump, heating circulating pump, water knockout drum, water collector, high expansion water box, river diversion tee joint one, river diversion tee joint two, return water temperature sensor, outdoor temperature sensor, automatic controller and relevant device.Gas Generator Set pipeline is connected by double thermal source complementary heating systems of the present invention by the way of river diversion tee joint with air source heat pump pipeline, avoid Gas Generator Set side to be exchanged heat again using heat exchanger, system architecture is simple, easy to control, it is reliable, save initial cost and mounting cost；Gas Generator Set is complementary to one another with net for air-source heat pump units, standby each other, improves the reliability of heating system, and optimal operational mode has been formulated according to gas price, electricity price, environment temperature, realizes that initial cost and operating cost synthesis are minimum.
Description
Technical field
This patent is related to a kind of double thermal source complementary heating systems and its implementation, belongs to Gas Generator Set and air-source heat
Pump heating field.
Background technology
Gas Generator Set and air source heat pump are all the important thermals source of winter heating, how to match and select both modes
Carry out heating, reasonable to reach initial cost, operating cost is low, and Life cycle heating cost, which most saves, to be needed to study.Asked for above-mentioned
Topic, this patent propose a kind of double thermal source complementary heating systems being made up of Gas Generator Set and air source heat pump.
The content of the invention
It is an object of the invention to provide a kind of initial cost is reasonable, operating cost is low, and Life cycle heating cost is low
Double thermal source complementary heating systems and its implementation.
To achieve the above object, the technical solution adopted by the present invention is：
A kind of double thermal source complementary heating systems, it is characterised in that：Including Gas Generator Set, net for air-source heat pump units, gas engine
Group water circulating pump, heating circulating pump, water knockout drum, water collector, high expansion water box, river diversion tee joint one, river diversion tee joint two, backwater
Temperature sensor, outdoor temperature sensor, the connecting line and connecting line of automatic controller and relevant device.
Preferably, the water collector connection net for air-source heat pump units, net for air-source heat pump units are connected by heating circulating pump
Water knockout drum；Gas Generator Set is connected with pipeline between heating circulating pump and water knockout drum, combustion is connected with the inlet pipeline of Gas Generator Set
Mechanism of qi group water circulating pump；High expansion water box is connected with connecting line between net for air-source heat pump units and heating circulating pump；
Return water temperature sensor is provided with connecting line between water collector and net for air-source heat pump units, for monitoring heating backwater
Temperature；Outdoor temperature sensor is provided with outdoor, for monitoring outdoor temperature；The automatic controller is connected by control line
Gas Generator Set, net for air-source heat pump units, Gas Generator Set water circulating pump, heating circulating pump, high expansion water box, return water temperature pass
Sensor, outdoor temperature sensor, whole system is realized and automatically controlled.
Preferably, connected respectively by river diversion tee joint one, river diversion tee joint two on pipeline between heating circulating pump and water knockout drum
Connect the water inlet pipe and outlet pipe of Gas Generator Set.It is furthermore preferred that described river diversion tee joint one, river diversion tee joint two are 45 degree of skew Ts.
It is furthermore preferred that the Gas Generator Set, net for air-source heat pump units are one or more.
A kind of implementation of double thermal source complementary heating systems described in use, net for air-source heat pump units heating from
The heating backwater that water collector comes, through heating circulating pump pressurized delivered to water knockout drum after heating, heated to air conditioning terminal；In sky
In the case that air supply heat pump heating capacity can not meet that heating requires or gas-heating expense is lower, operation Gas Generator Set circulation
Water pump and Gas Generator Set, supplement or replacement air source heat pump heating.
It is furthermore preferred that comprise the following steps：
A) distribution according to warm season heating load with the time, the reliability of heating, initial cost and operating cost factor,
In northern China heating region, Gas Generator Set is recommended to press 70% type selecting of peak load, air source heat pump is by peak load
70% type selecting；
Y1=A/ (KC) ... ... ... ... ... ... ... ... ... is 1.
Wherein, Y1 be Gas Generator Set unit heating capacity price, unit：Member/kwH；
A be natural gas price, unit：Member/m3；
K is the efficiency value of Gas Generator Set, with reference to the parameter value 0.95 of relevant device producer；
C be natural gas calorific value, unit：kwH/m3, value 9.7kwH/m3；
Y2=B/COP ... ... ... ... ... ... ... ... ... is 2.
Wherein, Y2 be air source heat pump unit heating capacity price, unit：Member/kwH；
B is electricity price, unit：Member/kwH；
COP is the heat efficiency value of air source heat pump, according to the numerical value of outdoor temperature sensor and air source heat pump producer
The COP Distribution value figures of offer, obtain the heat efficiency COP values of air source heat pump；
B) according to formula 1. with formula 2., evaluation Y1 and Y2；
As Y1≤Y2, double thermal source complementary heating systems operations are based on Gas Generator Set, supplemented by air source heat pump, according to returning
The plus-minus of water temperature sensor Numerical Control Gas Generator Set carries, empty if Gas Generator Set full-load run can not meet heating demands
Air supply heat pump starts supplement heating, and the plus-minus for controlling air source heat pump according further to return water temperature sensor values carries；
As Y1 >=Y2, double thermal source complementary heating systems operations are based on air source heat pump, supplemented by Gas Generator Set, according to returning
The plus-minus of water temperature sensor Numerical Control air source heat pump carries, if air source heat pump full-load run can not meet the need that heat
Ask, start Gas Generator Set supplement heating, the plus-minus for controlling Gas Generator Set according further to return water temperature sensor values carries.
Compared with prior art, the technique effect that possesses of the present invention is：
1) Gas Generator Set pipeline is connected with air source heat pump pipeline by the way of river diversion tee joint, and river diversion tee joint
Using the design method of skew T, avoiding Gas Generator Set side and exchanged heat again using heat exchanger, system architecture is simple,
It is easy to control, it is reliable, save initial cost and mounting cost.
2) the heating price of Gas Generator Set and net for air-source heat pump units is compared 1. with formula 2. result by calculation formula,
Formulate optimal operational mode.Gas Generator Set is complementary to one another with net for air-source heat pump units, standby each other, improves heating system
Reliability, optimal operational mode has been formulated according to gas price, electricity price, environment temperature, realize initial cost and operating cost synthesis
It is minimum.
Brief description of the drawings
The present invention is described further below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of double thermal source complementary heating systems of the present invention；
The enlarged diagram of the river diversion tee joint one of Fig. 2 present invention；
The enlarged diagram of the river diversion tee joint two of Fig. 3 present invention；
In figure, 1 Gas Generator Set, 2 net for air-source heat pump units, 3 Gas Generator Set water circulating pumps, 4 heating circulating pumps, 5 points of water
Device, 6 water collectors, 7 high expansion water boxs, 8 river diversion tee joints one, 9 river diversion tee joints two, 10 return water temperature sensors, 11 outdoor temperatures
Sensor, 12 automatic controllers.
Embodiment
Below, the present invention is further elaborated on by embodiment and accompanying drawing.But these embodiments are not to the present invention
The limitation of protection domain, it is all in the range of technical solution of the present invention basic ideas or to be essentially equivalent to the technology of the present invention side
The change of case is protection scope of the present invention.
As shown in figure 1, double thermal source complementary heating systems of the present invention are by Gas Generator Set 1, net for air-source heat pump units 2, combustion gas
Unit water circulating pump 3, heating circulating pump 4, water knockout drum 5, water collector 6, high expansion water box 7, river diversion tee joint 1, river diversion tee joint
29, connecting line and the connection of return water temperature sensor 10, outdoor temperature sensor 11, automatic controller 12 and relevant device
Line forms.As an example, net for air-source heat pump units and Gas Generator Set quantity only have 1 in accompanying drawing 1, and practical application is according to specific
Situation determines number of units, not only limits 1.
Skew T is a kind of pipe fitting in discharge pipe line, for the vertical connection of branch pipe and main, although vertically connecting
Connect, but the junction of branch pipe into main does not intersect vertically, but be attached with the flow direction of a bit of circular arc downstream, this
Sample just make the water of branch pipe it is much smoother flow to main.This bit of circular arc is exactly to serve effect downstream, different producers
The size length of the circular arc downstream of design is different.
Net for air-source heat pump units 2 heats the heating backwater to come from water collector 6, is pressurizeed after heating through heating circulating pump 4 defeated
Water knockout drum 5 is delivered to, is heated to air conditioning terminal.The effect of high expansion water box 7 is to give heating water level pressure.In air source heat pump
In the case that unit heating capacity can not meet that heating requires or gas-heating expense is lower, operation Gas Generator Set water circulating pump 3
With Gas Generator Set 1, supplement or replacement net for air-source heat pump units heating.Outdoor temperature sensor 11 monitors outdoor temperature.Backwater
Temperature sensor 10 monitors heating return water temperature.The enlarged diagram of river diversion tee joint 1 is as shown in Fig. 2 putting for river diversion tee joint two
Big schematic diagram is as shown in Figure 3；River diversion tee joint 1 and river diversion tee joint 29 play the role of drop resistance and water conservancy diversion.Automatic controller 12 is logical
Control line connection all devices and sensor are crossed, whole system is realized and automatically controlled.
Outdoor temperature has considerable influence to the efficiency of air source heat pump.Outdoor temperature, electricity price, Gas Prices these three
Factor is to influence the key factor of heating cost, and determines the pass of selection Gas Generator Set or net for air-source heat pump units heating
Key factor.Identical heat is produced, Gas Generator Set initial cost is less than the initial cost of net for air-source heat pump units, operating cost aspect, winter
The operating cost of most of the time in season section net for air-source heat pump units is less than Gas Generator Set.Below with regard to Gas Generator Set and air-source heat
How pump assembly, which arranges in pairs or groups, is done labor and introduction.
Warm season most of the time heating load is less than peak load 80%.According to warm season heating load with the time
Distribution, the reliability of heating, the factor such as initial cost and operating cost, in northern China heating region, recommend Gas Generator Set by most
70% type selecting of big load, air source heat pump press 70% type selecting of peak load.
Y1=A/ (KC) ... ... ... ... ... ... ... ... ... ... is 1.
Y1 be Gas Generator Set unit heating capacity price, unit：Member/kwH；
A be natural gas price, unit：Member/m3；
K is the efficiency value of Gas Generator Set, with reference to the parameter value 0.95 of relevant device producer；
C be natural gas calorific value, unit：kwH/m3, value 9.7kwH/m3；
Y2=B/COP ... ... ... ... ... ... ... ... ... ... is 2.
Y2 be air source heat pump unit heating capacity price, unit：Member/kwH；
B is electricity price, unit：Member/kwH；
COP is the heat efficiency value of air source heat pump, and by air source heat pump, producer provides；
According to formula 1. with formula 2., evaluation Y1 and Y2, as Y1≤Y2, double thermal source complementary heating systems operations with
Based on Gas Generator Set 1, supplemented by net for air-source heat pump units 2, according to adding for the Numerical Control Gas Generator Set 1 of return water temperature sensor 10
Off-load, if the full-load run of Gas Generator Set 1 can not meet heating demands, net for air-source heat pump units 2 starts supplement heating, still
Carried according to the plus-minus of the Numerical Control net for air-source heat pump units 2 of return water temperature sensor 10.When Y1 >=Y2, double thermal source complementary heating
System operation is based on net for air-source heat pump units, supplemented by Gas Generator Set, according to the Numerical Control air-source of return water temperature sensor 10
The plus-minus of source pump 2 carries, if the full-load run of net for air-source heat pump units 2 can not meet heating demands, starts Gas Generator Set 1
Supplement heating, carried according further to the plus-minus of the Numerical Control Gas Generator Set 1 of return water temperature sensor 10.Sensed according to outdoor temperature
The numerical value of device 11 and the COP Distribution value figures of the producer of net for air-source heat pump units 2, obtain the heat efficiency of net for air-source heat pump units 2
COP values.Such as A=3.0 members/m3, B=0.9 members/kwH, 0 DEG C of outdoor temperature, hot water effluent's temperature 45 C, certain producer's air-source heat
Heat pump heating COP=3.3, Y1=0.33 members/kwH, Y2=0.27 member/kwH, such case are 1. 2. calculated to obtain with formula by formula
Lower heating is based on net for air-source heat pump units (2), supplemented by Gas Generator Set (1).Such as other conditions are constant, and outdoor temperature is -20
DEG C, corresponding COP=2.4, Y1=0.33 members/kwH, Y2=0.38 member/kwH is calculated to obtain, in this case, is with Gas Generator Set 1
It is main, supplemented by net for air-source heat pump units 2.
Claims (7)
- A kind of 1. double thermal source complementary heating systems, it is characterised in that：Including Gas Generator Set (1), net for air-source heat pump units (2), combustion Mechanism of qi group water circulating pump (3), heating circulating pump (4), water knockout drum (5), water collector (6), high expansion water box (7), river diversion tee joint One (8), river diversion tee joint two (9), return water temperature sensor (10), outdoor temperature sensor (11), automatic controller (12) and phase Answer the connecting line and connecting line of equipment.
- 2. double thermal source complementary heating systems according to claim 1, it is characterised in that：The water collector (6) connects air Source source pump (2), net for air-source heat pump units (2) connect water knockout drum (5) by heating circulating pump (4)；In heating circulating pump (4) Gas Generator Set (1) is connected with pipeline between water knockout drum (5), Gas Generator Set circulation is connected with the inlet pipeline of Gas Generator Set (1) Water pump (3)；High expansion water box is connected with connecting line between net for air-source heat pump units (2) and heating circulating pump (4) (7)；Return water temperature sensor (10) is provided with connecting line between water collector (6) and net for air-source heat pump units (2), is used for Monitor heating return water temperature；Outdoor temperature sensor (11) is provided with outdoor, for monitoring outdoor temperature；The automatic controller (12) Gas Generator Set (1), net for air-source heat pump units (2), Gas Generator Set water circulating pump (3), heating circulation are connected by control line Pump (4), high expansion water box (7), return water temperature sensor (10), outdoor temperature sensor (11), whole system is realized certainly Dynamic control.
- 3. double thermal source complementary heating systems according to claim 1, it is characterised in that：In heating circulating pump (4) and divide water The water inlet pipe of Gas Generator Set (1) is connected by river diversion tee joint one (8), river diversion tee joint two (9) respectively on pipeline between device (5) and gone out Water pipe.
- 4. double thermal source complementary heating systems according to claim 3, it is characterised in that：Described river diversion tee joint one (8), lead It is 45 degree of skew Ts to flow threeway two (9).
- 5. double thermal source complementary heating systems according to claim 1, it is characterised in that：The Gas Generator Set (1), air-source Source pump (2) is one or more.
- 6. double thermal source complementary heating systems according to claim 1, it is characterised in that：The net for air-source heat pump units (2) The heating backwater to come from water collector (6) is heated, through heating circulating pump (4) pressurized delivered to water knockout drum (5) after heating, to air-conditioning Heat end；In the case where air source heat pump heating capacity can not meet that heating requires or gas-heating expense is lower, operation Gas Generator Set water circulating pump (3) and Gas Generator Set (1), supplement or replacement air source heat pump heating.
- 7. a kind of implementation of double thermal source complementary heating systems according to claim 6, it is characterised in that including following Step：A) distribution according to warm season heating load with the time, the reliability of heating, initial cost and operating cost factor, in China Northern heating region, recommends Gas Generator Set to press 70% type selecting of peak load, and air source heat pump presses 70% type selecting of peak load；Y1=A/ (KC) ... ... ... ... ... ... ... ... ... is 1.Wherein, Y1 be Gas Generator Set unit heating capacity price, unit：Member/kwH；A be natural gas price, unit：Member/m3；K is the efficiency value of Gas Generator Set, with reference to the parameter value 0.95 of relevant device producer；C be natural gas calorific value, unit：kwH/m3, value 9.7kwH/m3；Y2=B/COP ... ... ... ... ... ... ... ... ... is 2.Wherein, Y2 be air source heat pump unit heating capacity price, unit：Member/kwH；B is electricity price, unit：Member/kwH；COP is the heat efficiency value of air source heat pump, according to the numerical value of outdoor temperature sensor (11) and air source heat pump (2) factory The COP Distribution value figures that family provides, obtain the heat efficiency COP values of air source heat pump (2)；B) according to formula 1. with formula 2., evaluation Y1 and Y2；As Y1≤Y2, double thermal source complementary heating systems operations are based on Gas Generator Set (1), supplemented by air source heat pump (2), according to returning The plus-minus of water temperature sensor (10) Numerical Control Gas Generator Set (1) carries, if Gas Generator Set (1) full-load run can not meet to supply Warm demand, air source heat pump (2) starts supplement heating, according further to return water temperature sensor (10) Numerical Control air source heat pump (2) plus-minus carries；As Y1 >=Y2, double thermal source complementary heating system operations are based on air source heat pump, supplemented by Gas Generator Set, according to return water temperature The plus-minus of sensor (10) Numerical Control air source heat pump (2) carries, if air source heat pump (2) full-load run can not meet to heat Demand, start Gas Generator Set (1) supplement heating, according further to return water temperature sensor (10) Numerical Control Gas Generator Set (1) Plus-minus carries.
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| CN201711113276.0A CN107726426A (en) | 2017-11-13 | 2017-11-13 | Double thermal source complementary heating systems and its implementation |
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| CN108443944A (en) * | 2018-04-17 | 2018-08-24 | 上海林内有限公司 | Energy mix direct supply system |
| CN108931062A (en) * | 2018-06-20 | 2018-12-04 | 广东美的暖通设备有限公司 | The control method of multi-heat source Hot water units and multi-heat source Hot water units, device |
| CN109059096A (en) * | 2018-08-21 | 2018-12-21 | 成都市新明节能科技有限公司 | A kind of accurate heating system of electric boiler and method based on the reconciliation of two-tube channel temp |
| CN110500680A (en) * | 2019-08-21 | 2019-11-26 | 珠海格力电器股份有限公司 | Heat exchange system for heating by matching air conditioning unit and wall-mounted boiler and control method |
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| CN109059096A (en) * | 2018-08-21 | 2018-12-21 | 成都市新明节能科技有限公司 | A kind of accurate heating system of electric boiler and method based on the reconciliation of two-tube channel temp |
| CN109059096B (en) * | 2018-08-21 | 2020-06-05 | 成都市新明节能科技有限公司 | Accurate electric boiler heating system and method based on double-pipeline temperature blending |
| CN110500680A (en) * | 2019-08-21 | 2019-11-26 | 珠海格力电器股份有限公司 | Heat exchange system for heating by matching air conditioning unit and wall-mounted boiler and control method |
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Application publication date: 20180223 |