CN108548212A - The heat balance control method of earth source heat pump and gas fired-boiler composite energy supply regulatory region - Google Patents
The heat balance control method of earth source heat pump and gas fired-boiler composite energy supply regulatory region Download PDFInfo
- Publication number
- CN108548212A CN108548212A CN201810307107.9A CN201810307107A CN108548212A CN 108548212 A CN108548212 A CN 108548212A CN 201810307107 A CN201810307107 A CN 201810307107A CN 108548212 A CN108548212 A CN 108548212A
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- Prior art keywords
- heat pump
- source heat
- gas
- ground
- boiler
- Prior art date
- 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.)
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000002131 composite material Substances 0.000 title claims abstract description 12
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000000523 sample Substances 0.000 claims abstract description 17
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 claims description 35
- 238000001816 cooling Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000000567 combustion gas Substances 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 239000002689 soil Substances 0.000 abstract description 8
- 230000008859 change Effects 0.000 abstract description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- -1 and heat demand Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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
- 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
-
- 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
- F24D3/1058—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system disposition of pipes and pipe connections
- F24D3/1066—Distributors for heating liquids
-
- 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
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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 present invention relates to the heat balance control methods of earth source heat pump and gas fired-boiler composite energy supply regulatory region, plate heat exchanger is set in the system of ground-source heat pump system and gas-fired Boiler System composition, the host of ground-source heat pump system is connected with plate heat exchanger, gas-fired Boiler System is connected with plate heat exchanger, the host of ground-source heat pump system is connected with gas-fired Boiler System, gas-fired Boiler System in ground-source heat pump system water knockout drum and water collector directly connect, valve is both provided on pipeline；Temperature probe is installed on ground-source heat pump system underground pipe main pipeline, the temperature measured according to temperature probe controls the valve on pipeline, to realize different operational modes.The present invention detects the heat exchange efficiency of underground pipe by the temperature change of the water collector to connecting soil, carries out effective and reasonable allotment to earth source heat pump and gas fired-boiler, has not only reached energy-efficient purpose, more meets comfort level requirement of the user to environment temperature.
Description
Technical field
The present invention relates to technical field of ground source heat pump, and in particular to a kind of earth source heat pump regulates and controls with gas fired-boiler composite energy supply
The heat balance control method in region.
Background technology
Earth source heat pump is a kind of general clean energy resource acquisition technology in the world today, is a kind of mode for extracting geothermal energy,
Cold and heat supply demand is provided for owner, while domestic hot-water being provided.Because underground temperature is constant, therefore not by external interference
And influence.
Gas fired-boiler is to carry out manufacture thermal energy using natural gas to provide raw material, and heat demand, natural gas are provided for owner
Calorific value it is higher, can also serve as clean energy resource, not into carbon emission is reduced, and utilization rate is higher.
Some areas are shorter or refrigeration duty demand is less for cool time, such as some equipment factory buildings etc., and thermic load is more than
Refrigeration duty, earth source heat pump disclosure satisfy that refrigeration demand, and the single energy, which is used for a long time, easily leads to ground-source heat pump system underground pipe
It is unbalance, cause buried guard system ice condition to occur, it is therefore desirable to which ground-source heat pump system is matched with gas fired-boiler, is met and is used
It is required that.But the compound use of ground-source heat pump system and gas fired-boiler will certainly bring how to control equilibrium problem between the two.
Invention content
The object of the present invention is to provide the thermal equilibrium controls of a kind of earth source heat pump and gas fired-boiler composite energy supply regulatory region
Method, by the control to the soil moisture and earth source heat pump unit to leaving water temperature, to adjust ground-source heat pump system and gas-fired boiler
Stove matches, and achievees the purpose that energy-efficient operation.
The technical solution adopted in the present invention is：
The heat balance control method of earth source heat pump and gas fired-boiler composite energy supply regulatory region, it is characterised in that：
Include the following steps：
Plate heat exchanger, the host of ground-source heat pump system are set in the system of ground-source heat pump system and gas-fired Boiler System composition
It is connected with plate heat exchanger, gas-fired Boiler System is connected with plate heat exchanger, host and the gas fired-boiler system of ground-source heat pump system
System series connection, gas-fired Boiler System in ground-source heat pump system water knockout drum and water collector directly connect, valve is both provided on pipeline
Door；
Temperature probe is installed on ground-source heat pump system underground pipe main pipeline, the temperature measured according to temperature probe is on pipeline
Valve is controlled, to realize following three kinds of operational modes：
When the temperature that temperature probe measures is when earth source heat pump is using in range of normal value or higher than the range, using single ground source heat
Pump heat supply, cooling pattern；
When the temperature that temperature probe measures it is minimum less than earth source heat pump using 4-7 degrees Celsius of normal value when, using earth source heat pump system
System and the concatenated heat supply mode of gas-fired Boiler System；
When the temperature that temperature probe measures is minimum less than earth source heat pump is more than 4-7 degrees Celsius using normal value, using single combustion gas
The heat supply mode of boiler system, and concurrent heating is carried out to underground pipe by gas-fired Boiler System.
Using single earth source heat pump heat supply, cooling pattern when, ground-source heat pump host water outlet enter plate heat exchanger heat exchange after
Return to ground-source heat pump host.
When using ground-source heat pump system and the concatenated heat supply mode of gas-fired Boiler System, ground-source heat pump host water outlet first into
Enter gas-fired Boiler System, ground-source heat pump host is returned after exchanging heat subsequently into plate heat exchanger.
Using single gas-fired Boiler System heat supply mode when, gas fired-boiler water outlet enter plate heat exchanger heat exchange after return combustion
Gas boiler, gas fired-boiler be discharged also into ground-source heat pump system water knockout drum, after through water collector return gas fired-boiler.
Earth source heat pump is 10-12 degrees Celsius using range of normal value.
The present invention has the following advantages：
The present invention is that user carries out summer cooling and Winter heat supply using geothermal energy by earth source heat pump, by connection soil
The temperature change of water collector detects the heat exchange efficiency of underground pipe, occurs, less than after normal value certain value, stopping in underground pipe temperature
Source heat pump unit is fallen on the ground, gas fired-boiler is enabled to provide heat supply, effective and reasonable tune has been carried out to earth source heat pump and gas fired-boiler
Match, is adapted to the user that heat demand is more than cooling needs, has not only reached energy-efficient purpose, more met user to environment temperature
The comfort level requirement of degree.
Description of the drawings
Fig. 1 is regulation and control system figure.
Specific implementation mode
The present invention will be described in detail With reference to embodiment.
The present invention relates to the heat balance control method of earth source heat pump and gas fired-boiler composite energy supply regulatory region, including it is following
Step：
Plate heat exchanger, the host of ground-source heat pump system are set in the system of ground-source heat pump system and gas-fired Boiler System composition
It is connected with plate heat exchanger, gas-fired Boiler System is connected with plate heat exchanger, host and the gas fired-boiler system of ground-source heat pump system
System series connection, gas-fired Boiler System in ground-source heat pump system water knockout drum and water collector directly connect, valve is both provided on pipeline
Door；
Temperature probe is installed on ground-source heat pump system underground pipe main pipeline, the temperature measured according to temperature probe is on pipeline
Valve is controlled, to realize following three kinds of operational modes：
When the temperature that temperature probe measures is when earth source heat pump is using in range of normal value or higher than the range, using single ground source heat
Pump heat supply, cooling pattern.Ground-source heat pump host water outlet returns to ground-source heat pump host after entering plate heat exchanger heat exchange.Ground source heat
Pump is 10-12 degrees Celsius using range of normal value.
When the temperature that temperature probe measures it is minimum less than earth source heat pump using 4-7 degrees Celsius of normal value when, using ground source heat
Pumping system and the concatenated heat supply mode of gas-fired Boiler System.Ground-source heat pump host water outlet initially enters gas-fired Boiler System, then
Ground-source heat pump host is returned after exchanging heat into plate heat exchanger.
When the temperature that temperature probe measures is minimum less than earth source heat pump is more than 4-7 degrees Celsius using normal value, using list
The heat supply mode of gas-fired Boiler System, and concurrent heating is carried out to underground pipe by gas-fired Boiler System.Gas fired-boiler water outlet enters plate
Return to gas fired-boiler after the heat exchange of formula heat exchanger, gas fired-boiler is discharged the water knockout drum also into ground-source heat pump system, after through catchmenting
Device returns to gas fired-boiler.
It heats initial season and transition season meets the condition of the first pattern, select ground-source heat pump host for the user side winter
Ji Cainuan, summer cooling, you can meet normal life requirement.
Winter severe cold weather when meeting second of pattern, enables gas fired-boiler, ground-source heat pump system and gas-fired Boiler System
It is connected by plate heat exchanger, ground-source heat pump host user side is discharged into gas fired-boiler primary side, gas fired-boiler primary side
Water outlet enters plate heat exchanger, and heat is sent in owner family by plate heat exchanger, and plate exchanger secondary side system is combustion
Steam pot furnace system and ground-source heat pump system share.Winter severe cold weather when meeting the third pattern, enables gas-fired Boiler System and supplies
Heat, closes ground-source heat pump system, and gas-fired Boiler System carries out concurrent heating to the underground pipe of ground-source heat pump system, gas fired-boiler it is primary
Side water outlet is connected with ground-source heat pump system underground pipe water knockout drum, primary side hot water is entered by water knockout drum in soil, to soil into
Row concurrent heating.
The operational process of system is illustrated referring to Fig. 1：
1, single earth source heat pump heat supply, cooling mode.Ground-source heat pump host is discharged H4 and passes through water pump, opens V2, closes V3, V7, send
To H1, after plate heat exchanger exchanges heat, is exported from H2 and return to ground-source heat pump host, open V5, close V4, V6.
2, earth source heat pump is connected heat supply mode with gas fired-boiler.V2, V7 are opened, earth source heat pump unit water outlet H4 enters combustion gas
Boiler H6 is exported from H5, is closed V8, V6 and is exchanged heat into plate heat exchanger H1 with secondary side in plate heat exchanger, passes through
H2 goes out plate heat exchanger, opens V5 and returns to ground-source heat pump host into H3, so far completes a cycle.
3, single gas fired-boiler heat supply mode.Ground-source heat pump host is closed during concurrent heating, closes valve V1, V2, V5, V6 are beaten
V8 is opened, hot water is recycled into water knockout drum by water pump from H5, is recycled by underground pipe, and return water collects from water collector through piping,
V3, V7 are opened, H6 is returned to.
At this time by measuring the heat of C underground pipes, calculating difference is carried out, ensures the balance for taking heat and backheat.Systematically
Calorimeter is installed on pipe laying main pipeline pipeline, to measure the heat or the cold for being sent into underground that underground pipe is extracted from soil, is led to
It crosses the difference both calculated to be compared and obtain unbalance factor, carrying out concurrent heating to soil by gas fired-boiler with this ensures that soil is flat
Weighing apparatus.
Present disclosure is not limited to cited by embodiment, and those of ordinary skill in the art are by reading description of the invention
And to any equivalent transformation that technical solution of the present invention is taken, it is that claim of the invention is covered.
Claims (5)
1. the heat balance control method of earth source heat pump and gas fired-boiler composite energy supply regulatory region, it is characterised in that：
Include the following steps：
Plate heat exchanger, the host of ground-source heat pump system are set in the system of ground-source heat pump system and gas-fired Boiler System composition
It is connected with plate heat exchanger, gas-fired Boiler System is connected with plate heat exchanger, host and the gas fired-boiler system of ground-source heat pump system
System series connection, gas-fired Boiler System in ground-source heat pump system water knockout drum and water collector directly connect, valve is both provided on pipeline
Door；
Temperature probe is installed on ground-source heat pump system underground pipe main pipeline, the temperature measured according to temperature probe is on pipeline
Valve is controlled, to realize following three kinds of operational modes：
When the temperature that temperature probe measures is when earth source heat pump is using in range of normal value or higher than the range, using single ground source heat
Pump heat supply, cooling pattern；
When the temperature that temperature probe measures it is minimum less than earth source heat pump using 4-7 degrees Celsius of normal value when, using earth source heat pump system
System and the concatenated heat supply mode of gas-fired Boiler System；
When the temperature that temperature probe measures is minimum less than earth source heat pump is more than 4-7 degrees Celsius using normal value, using single combustion gas
The heat supply mode of boiler system, and concurrent heating is carried out to underground pipe by gas-fired Boiler System.
2. the heat balance control method of earth source heat pump according to claim 1 and gas fired-boiler composite energy supply regulatory region,
It is characterized in that：
Using single earth source heat pump heat supply, cooling pattern when, ground-source heat pump host water outlet enter plate heat exchanger heat exchange after returns
Ground-source heat pump host.
3. the heat balance control method of earth source heat pump according to claim 1 and gas fired-boiler composite energy supply regulatory region,
It is characterized in that：
When heat supply mode concatenated with gas-fired Boiler System using ground-source heat pump system, ground-source heat pump host water outlet initially enters combustion
Steam pot furnace system returns to ground-source heat pump host after exchanging heat subsequently into plate heat exchanger.
4. the heat balance control method of earth source heat pump according to claim 1 and gas fired-boiler composite energy supply regulatory region,
It is characterized in that：
Using single gas-fired Boiler System heat supply mode when, gas fired-boiler water outlet enter plate heat exchanger heat exchange after returns to gas-fired boiler
Stove, gas fired-boiler be discharged also into ground-source heat pump system water knockout drum, after through water collector return gas fired-boiler.
5. the heat balance control method of earth source heat pump according to claim 1 and gas fired-boiler composite energy supply regulatory region,
It is characterized in that：
Earth source heat pump is 10-12 degrees Celsius using range of normal value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810307107.9A CN108548212A (en) | 2018-04-08 | 2018-04-08 | The heat balance control method of earth source heat pump and gas fired-boiler composite energy supply regulatory region |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810307107.9A CN108548212A (en) | 2018-04-08 | 2018-04-08 | The heat balance control method of earth source heat pump and gas fired-boiler composite energy supply regulatory region |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108548212A true CN108548212A (en) | 2018-09-18 |
Family
ID=63514177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810307107.9A Pending CN108548212A (en) | 2018-04-08 | 2018-04-08 | The heat balance control method of earth source heat pump and gas fired-boiler composite energy supply regulatory region |
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| Country | Link |
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| CN (1) | CN108548212A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798697A (en) * | 2019-01-25 | 2019-05-24 | 江苏柯瑞机电工程股份有限公司 | A kind of ground source heat pump control system |
| CN110754268A (en) * | 2019-10-31 | 2020-02-07 | 常州顶点温室工程有限公司 | Greenhouse heating system and method using waste hot water of power plant |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202869078U (en) * | 2012-08-17 | 2013-04-10 | 北京中标新亚机电工程有限公司 | Solar auxiliary ground-source heat pump system |
| CN202973314U (en) * | 2012-12-10 | 2013-06-05 | 安徽日源环保能源科技有限公司 | High-temperature geothermal water series connection heating system |
| CN205245413U (en) * | 2015-12-21 | 2016-05-18 | 天津大学建筑设计研究院 | Combined type ground source heat pump system |
| CN105928115A (en) * | 2016-06-21 | 2016-09-07 | 宝莲华新能源技术（上海）有限公司 | Geothermal air conditioning system capable of compensating superficial layer geotherm under working condition of heat imbalance |
-
2018
- 2018-04-08 CN CN201810307107.9A patent/CN108548212A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202869078U (en) * | 2012-08-17 | 2013-04-10 | 北京中标新亚机电工程有限公司 | Solar auxiliary ground-source heat pump system |
| CN202973314U (en) * | 2012-12-10 | 2013-06-05 | 安徽日源环保能源科技有限公司 | High-temperature geothermal water series connection heating system |
| CN205245413U (en) * | 2015-12-21 | 2016-05-18 | 天津大学建筑设计研究院 | Combined type ground source heat pump system |
| CN105928115A (en) * | 2016-06-21 | 2016-09-07 | 宝莲华新能源技术（上海）有限公司 | Geothermal air conditioning system capable of compensating superficial layer geotherm under working condition of heat imbalance |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798697A (en) * | 2019-01-25 | 2019-05-24 | 江苏柯瑞机电工程股份有限公司 | A kind of ground source heat pump control system |
| CN110754268A (en) * | 2019-10-31 | 2020-02-07 | 常州顶点温室工程有限公司 | Greenhouse heating system and method using waste hot water of power plant |
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| PB01 | Publication | ||
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Application publication date: 20180918 |