CN108800267A - Electric heating phase-changing energy-storing thermal power plant unit and its variable working condition energy adjustment method - Google Patents
Electric heating phase-changing energy-storing thermal power plant unit and its variable working condition energy adjustment method Download PDFInfo
- Publication number
- CN108800267A CN108800267A CN201810488614.7A CN201810488614A CN108800267A CN 108800267 A CN108800267 A CN 108800267A CN 201810488614 A CN201810488614 A CN 201810488614A CN 108800267 A CN108800267 A CN 108800267A
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- China
- Prior art keywords
- heat exchanger
- outlet
- electric
- electric heater
- heat
- 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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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
- F24D3/00—Hot-water central heating systems
- F24D3/02—Hot-water central heating systems with forced circulation, e.g. by 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
- F24H7/02—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid
- F24H7/0208—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid using electrical energy supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
Abstract
The present invention provides a kind of electric heating phase-changing energy-storing thermal power plant unit and its variable working condition energy adjustment methods,Its is reasonable for structure,Avoid the waste in peak electricity use,Reduce the heating cost of user,Including accumulation of heat babinet,There is coil heat exchanger in heat storage tank body,Coil heat exchanger is immersed in phase change heat storage material,Accumulation of heat babinet is additionally provided with plate heat exchanger,Pipeline of plate heat exchanger is connected with coil heat exchanger,Pipeline is equipped with electric heater and first circulation pumps,First circulation pump is connected with water inlet end,Secondary pipeline is connected to indoor heating system,The circulating pump of secondary pipe road is connected with water inlet end,Bypass line is equipped between the water outlet of electric heater and the water outlet of coil heat exchanger,Bypass line is equipped with triple valve,The water outlet of the first outlet connection coil heat exchanger of triple valve,The water outlet of the second outlet connection electric heater of triple valve,The water inlet end of the third outlet plate heat exchanger of triple valve and a pipeline connection.
Description
Technical field
The present invention relates to heating equipment technical fields, specially electric heating phase-changing energy-storing thermal power plant unit and its variable working condition energy tune
Section method.
Background technology
Recently as load difference during power grid peak-trough electricity away from widen, the clean energy resource heating of North China rural area pushes away
Row, electric heating accumulation of energy heating technology come into being.It is white that electric heating accumulation of energy unit using night dip electrically heating is completed at the same time next day
The accumulation of its peak electricity phase heating heat.
Electric heating phase-changing energy-storing thermal power plant unit main body as described in Figure 1 by fill with phase change heat storage material accumulation of heat babinet and uniformly
It is abound with what coil heat exchanger therein was constituted, water system is divided into first and second pipeline by outside by means of plate heat exchanger, once
Boilers heated electrically is realized by pump circulation in pipeline, the heat exchange in heat storage tank body between coil heat exchanger, plate heat exchanger three,
The heat that plate changes is transported to indoor heating by the circulating pump being arranged in secondary pipeline.
In the peak electric phase, it is put into the instant heating state of electrical heating when heat storage heat release heating terminates unit, if fluid is still pressed
Original tube runs, the hot water due to entering coil heat exchanger at this time can be higher than the heat-storing material temperature on periphery, especially meets
At the night in the peak electricity end of term, thermic load is larger, and boiler leaving water temperature must be higher, and heat can be absorbed by heat-storing material.Due to
Be peak electricity, increase the cost of the heating of user, while increasing more peak electric energy consumptions.
Invention content
For the high problem of current electric heating phase-changing energy-storing thermal power plant unit peak electric energy consumption, the present invention provides a kind of electric heating phases
Become storing energy and supplying hot unit and its variable working condition energy adjustment method, it is reasonable for structure, the waste in peak electricity use is avoided, is reduced
The heating cost of user.
Its technical solution is such：Electric heating phase-changing energy-storing thermal power plant unit, including accumulation of heat babinet, it is characterised in that：It is described
It is evenly equipped with coil heat exchanger in heat storage tank body, phase change heat storage material, the coil pipe type heat exchange are filled in the heat storage tank body
Device is immersed in the phase change heat storage material, and the accumulation of heat babinet is additionally provided with plate heat exchanger, and the plate heat exchanger is equipped with one
Secondary pipeline and secondary pipeline, a pipeline are connected with the coil heat exchanger, and electricity is additionally provided on a pipeline
Heater and first circulation pump, the first circulation pump are connected with water inlet end, and the secondary pipeline is connected to indoor heating system
System, the secondary pipe road are equipped with second circulation and pump, and the second circulation pump is connected with water inlet end, and the electric heater goes out
Bypass line is equipped between water end (W.E.) and the water outlet of the coil heat exchanger, the bypass line is equipped with triple valve, described
The first outlet of triple valve is connected to the water outlet of the coil heat exchanger, and the second outlet connection electricity of the triple valve adds
The water outlet of hot device, the water inlet end of plate heat exchanger and a pipeline connection described in the third outlet of the triple valve.
Further, the water outlet of the electric heater, be respectively equipped with temperature in heat storage tank body, on the indoor heating system
Spend sensor, water inlet end, water outlet and the plate heat exchanger and institute of the plate heat exchanger with a piping connection
It states the water inlet end of secondary piping connection, be respectively equipped with temperature sensor at water outlet.
Further, the triple valve is electric T-shaped valve, the electric T-shaped valve, the temperature sensor, the electricity
Heater is electricly connected with control device respectively.
Further, check valve is equipped at the water inlet end.
Further, the electric heater is electrically heated boiler.
The variable working condition energy adjustment method of above-mentioned electric heating phase-changing energy-storing thermal power plant unit, it is characterised in that：During peak electricity,
When heat storage tank body heat content, which discharges, no longer has heat capacity, control device starts electric heater, while control device closes side
The first outlet of the electric T-shaped valve of siphunculus road opens simultaneously second outlet, the third of the electric T-shaped valve on bypass line
Outlet, heated electric heater hot water, which is passed directly into plate heat exchanger, carries out heat supply.
Further, when temperature sensor detects that plate heat exchanger and the water temperature of the water inlet end of a piping connection are less than
At 58 DEG C, the device processed starts electric heater and is heated, while control device closes the electric T-shaped valve on bypass line
First outlet, open simultaneously the electric T-shaped valve on bypass line second outlet, third outlet, heated electric heater
Hot water, which is passed directly into plate heat exchanger, carries out heat supply.
Further, when temperature sensor detects that the water outlet of electric heater is more than 95 DEG C, the control device is closed
The electric heater.
The electric heating phase-changing energy-storing thermal power plant unit of the present invention passes through going out in the water outlet of electric heater and coil heat exchanger
It is equipped with bypass line between water end (W.E.), and is equipped with triple valve on bypass line, the first outlet connection coil pipe type heat exchange of triple valve
The water outlet of device, the water outlet of the second outlet connection electric heater of triple valve, the third outlet plate-type heat-exchange of triple valve
The water inlet end of device and a pipeline connection, during peak electricity, when heat storage tank body heat content has heat capacity, first, the of triple valve
The second outlet of three port openings, triple valve is closed, and is heated through plate heat exchanger by accumulation of heat babinet, when heat storage tank body heat
Amount discharges, and when no longer having heat capacity, control device starts electrically heated boiler, closes the first outlet of triple valve, opens three
Second, third outlet of port valve, the hot water heated through electric heater directly enter the primary pipe of plate heat exchanger from bypass line
The water inlet end on road so that the water inlet end of a pipeline of plate heat exchanger is similar to the temperature of the water outlet of electrically heated boiler, electricity
The heat of the electric energy production of heating boiler consumption is completely used for heating immediately, accumulation of heat babinet not accumulation of heat, and avoiding made in the peak electric phase
With expensive peak electricity to the unit electric heat storage after grill pan stove heat, the waste in peak electricity use is avoided, user is reduced
Heating cost.
Description of the drawings
Fig. 1 is the structural schematic diagram of the electric heating phase-changing energy-storing thermal power plant unit in background technology；
Fig. 2 is the structural schematic diagram of the electric heating phase-changing energy-storing thermal power plant unit of the present invention.
Specific implementation mode
See Fig. 2, a kind of electric heating phase-changing energy-storing thermal power plant unit of the invention, including accumulation of heat babinet 1, is evenly equipped in heat storage tank body
Coil heat exchanger 2, accumulation of heat babinet 1 is interior to be filled with phase change heat storage material 3, and coil heat exchanger 3 is immersed in phase change heat storage material 3
In, accumulation of heat babinet 1 is additionally provided with plate heat exchanger 4, and plate heat exchanger 4 is equipped with a pipeline 5 and secondary pipeline 6, plate heat exchanger 4
A pipeline 5 be connected with coil heat exchanger 2, be additionally provided on a pipeline 5 electric heater 7 and first circulation pump 8, electricity plus
Hot device 7 is electrically heated boiler, and first circulation pump 7 is connected with tap water water inlet end 12, and secondary pipeline 6 is connected to indoor heating system
System 9, secondary pipeline 6 are equipped with second circulation and pump 10, and second circulation pump is connected with water inlet end 12, is equipped at water inlet end 12 unidirectional
The water outlet of valve 11, electric heater 7 is equipped with temperature sensor T1, and temperature sensor T0, indoor heating system are equipped in heat storage tank body
System is equipped with temperature sensor T6, and the water inlet end of plate heat exchanger and a piping connection is board-like to change equipped with temperature sensor T2
The water outlet of hot device and a piping connection is equipped with temperature sensor T3, and plate heat exchanger and the water inlet end of secondary piping connection are set
There are temperature sensor T4, plate heat exchanger and the water outlet of secondary piping connection to be equipped with temperature sensor T5, electric heater 7 goes out
Bypass line 13 is equipped between water end (W.E.) and the water outlet of coil heat exchanger 2, bypass line is equipped with triple valve 14, triple valve
First outlet 141 is connected to the water outlet of coil heat exchanger 4, and the second outlet 142 of triple valve is connected to the water outlet of electric heater 7
The third outlet 143 at end, triple valve is connected to the water inlet end that plate heat exchanger is connected to a pipeline 5, and triple valve 14 is electronic three
Port valve, triple valve 14, temperature sensor T0, T1, T2, T3, T4, T5, T6 and electric heater 7 respectively with the automatically controlled company of control device
It connects.
In the present embodiment, water inlet end 12 is Natural Water water inlet end, in addition, water inlet end 12 can also be aqueous solution, such as second
The water inlet end of two alcohol solutions.
The operation principle of the electric heating phase-changing energy-storing thermal power plant unit of the present invention is as follows：Phase change heat storage material is stored in accumulation of heat babinet
In, coil heat exchanger is immersed in phase change heat storage material, during paddy electricity, water is heated by electric heater, one side hot water
Phase change heat storage material in accumulation of heat babinet can be heated and be melted, completed night storage heating and used with meeting next day peak electric heating, in water
Waste heat pass through plate heat exchanger to indoor heating system, solve heating problem；The peak electricity phase, stop electrical heating, phase-transition heat-storage material
Material will solidification release heat to plate heat exchanger, with dampening circulation plates formula heat exchanger by heating equipment in heat supply chamber for
It is warm.
Phase change heat storage material is placed in heat storage tank by the electric heating phase-changing energy-storing thermal power plant unit of the present invention by the way that accumulation of heat babinet is arranged
Coil heat exchanger is arranged in accumulation of heat babinet in body, to store by the heat transfer pipe of electric heater heat(ing) coil formula heat exchanger
Hot tank body accumulation of heat, such housing construction so that in same volume more phase change heat storage materials, heat storage capacity can be placed downwards
Good, the heat absorption heat release of phase change heat storage material more fully can realize same store compared with existing electric heating energy storage system
The smaller that can be made in the case of thermal energy power；Simultaneously the caliber of heat transfer pipe is required to reduce so that unit manufacture more
It is easy to add, simultaneously because there are the secondary heat exchange of plate heat exchanger and buffer action, the water system where electric boiler is more difficult
There is stopping state.
The variable working condition energy adjustment method of electric heating phase-changing energy-storing thermal power plant unit in a kind of the above embodiments, in the peak electric phase
Between, when heat storage tank body heat content, which discharges, no longer has heat capacity, i.e., when temperature sensor detect plate heat exchanger with it is primary
When the water temperature T 2 of the water inlet end of piping connection is less than 58 DEG C, control device starts electric heater, while control device closes bypass
The first outlet of electric T-shaped valve on pipeline opens simultaneously the second outlet of the electric T-shaped valve on bypass line, third goes out
Mouthful, heated electric heater hot water, which is passed directly into plate heat exchanger, carries out heat supply；When temperature sensor detects electrical heating
The water outlet T1 of device is more than 95 DEG C, and the control device closes the electric heater.
The electric heating phase-changing energy-storing thermal power plant unit of the present invention passes through going out in the water outlet of electric heater and coil heat exchanger
It is equipped with bypass line between water end (W.E.), and is equipped with triple valve on bypass line, the first outlet connection coil pipe type heat exchange of triple valve
The water outlet of device, the water outlet of the second outlet connection electric heater of triple valve, the third outlet plate-type heat-exchange of triple valve
The water inlet end of device and a pipeline connection, during peak electricity, when heat storage tank body heat content has heat capacity, first, the of triple valve
The second outlet of three port openings, triple valve is closed, the third port opening of triple valve, by accumulation of heat babinet through plate heat exchanger
It heats, when heat storage tank body heat content discharges, and no longer has heat capacity, control device starts electrically heated boiler, closes three
The first outlet of port valve, open triple valve second, third outlet, through electric heater heating hot water directly from bypass line into
Enter the water inlet end of a pipeline of plate heat exchanger so that the water inlet end of a pipeline of plate heat exchanger is similar to electric heating pot
The heat of the temperature of the water outlet of stove, the electric energy production of electrically heated boiler consumption is completely used for heating immediately, and accumulation of heat babinet does not store
Heat avoids in the peak electric phase using expensive peak electricity to the unit electric heat storage after grill pan stove heat, avoids peak electricity and use
In waste, reduce the heating cost of user.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Within the technical scope disclosed by the invention, the change or replacement that can be readily occurred in should all be covered any people for being familiar with the technology
Within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (8)
1. electric heating phase-changing energy-storing thermal power plant unit, including accumulation of heat babinet, it is characterised in that：It is evenly equipped with coil pipe type in the heat storage tank body
Heat exchanger, the heat storage tank body is interior to be filled with phase change heat storage material, and the coil heat exchanger is immersed in the phase-transition heat-storage material
In material, the accumulation of heat babinet is additionally provided with plate heat exchanger, and the plate heat exchanger is equipped with a pipeline and secondary pipeline, and described one
Secondary pipeline is connected with the coil heat exchanger, and electric heater and first circulation pump are additionally provided on a pipeline, described
First circulation pump is connected with water inlet end, and the secondary pipeline is connected to indoor heating system, and the secondary pipe road is equipped with the
Two circulating pumps, the second circulation pump are connected with water inlet end, the water outlet of the electric heater and the coil heat exchanger
Water outlet between be equipped with bypass line, the bypass line is equipped with triple valve, and the first outlet of the triple valve is connected to institute
The water outlet of coil heat exchanger is stated, the second outlet of the triple valve is connected to the water outlet of the electric heater, the threeway
The water inlet end of plate heat exchanger and a pipeline connection described in the third outlet of valve.
2. electric heating phase-changing energy-storing thermal power plant unit according to claim 1, it is characterised in that：The water outlet of the electric heater
In end, heat storage tank body, temperature sensor, the plate heat exchanger and the primary pipe are respectively equipped on the indoor heating system
Distinguish at water inlet end, water outlet and the plate heat exchanger of road connection and the water inlet end of the secondary piping connection, water outlet
Equipped with temperature sensor.
3. electric heating phase-changing energy-storing thermal power plant unit according to claim 1, it is characterised in that：The triple valve is electric three passes
Valve, the electric T-shaped valve, the temperature sensor, the electric heater are electricly connected with control device respectively.
4. electric heating phase-changing energy-storing thermal power plant unit according to claim 1, it is characterised in that：It is equipped at the water inlet end unidirectional
Valve.
5. electric heating phase-changing energy-storing thermal power plant unit according to claim 1, it is characterised in that：The electric heater is electrical heating
Boiler.
6. the variable working condition energy adjustment method of electric heating phase-changing energy-storing thermal power plant unit according to claim 3, it is characterised in that：
During peak electricity, when heat storage tank body heat content, which discharges, no longer has heat capacity, control device starts electric heater, controls simultaneously
Device closes the first outlet of the electric T-shaped valve on bypass line, opens simultaneously second of the electric T-shaped valve on bypass line
Outlet, third outlet, heated electric heater hot water, which is passed directly into plate heat exchanger, carries out heat supply.
7. the variable working condition energy adjustment method of electric heating phase-changing energy-storing thermal power plant unit according to claim 6, it is characterised in that：
When temperature sensor detects that the water temperature of plate heat exchanger and the water inlet end of a piping connection is less than 58 DEG C, the device processed
Start electric heater to be heated, while control device closes the first outlet of the electric T-shaped valve on bypass line, beats simultaneously
Second outlet, the third outlet of the electric T-shaped valve on bypass line are opened, heated electric heater hot water is passed directly into board-like
Heat supply is carried out in heat exchanger.
8. the variable working condition energy adjustment method of electric heating phase-changing energy-storing thermal power plant unit according to claim 6, it is characterised in that：
When temperature sensor detects that the water outlet of electric heater is more than 95 DEG C, the control device closes the electric heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810488614.7A CN108800267A (en) | 2018-05-21 | 2018-05-21 | Electric heating phase-changing energy-storing thermal power plant unit and its variable working condition energy adjustment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810488614.7A CN108800267A (en) | 2018-05-21 | 2018-05-21 | Electric heating phase-changing energy-storing thermal power plant unit and its variable working condition energy adjustment method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108800267A true CN108800267A (en) | 2018-11-13 |
Family
ID=64091488
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810488614.7A Pending CN108800267A (en) | 2018-05-21 | 2018-05-21 | Electric heating phase-changing energy-storing thermal power plant unit and its variable working condition energy adjustment method |
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| CN (1) | CN108800267A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113865092A (en) * | 2021-09-18 | 2021-12-31 | 华帝股份有限公司 | Phase-change heat storage type water heater and control method |
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|---|---|---|---|---|
| CN1530599A (en) * | 2003-02-11 | 2004-09-22 | 涛 张 | Phase transformation heat storing electrothermal exchanger and intelligent controlling circulating running system |
| EP2157374A1 (en) * | 2008-08-20 | 2010-02-24 | Andreas Kausler | Heating system |
| CN202747502U (en) * | 2012-04-27 | 2013-02-20 | 重庆大学 | Cooling water system based on cold storage of phase change material |
| CN205717919U (en) * | 2016-04-25 | 2016-11-23 | 芜湖美的厨卫电器制造有限公司 | Phase-change heat-storage water heater |
-
2018
- 2018-05-21 CN CN201810488614.7A patent/CN108800267A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1530599A (en) * | 2003-02-11 | 2004-09-22 | 涛 张 | Phase transformation heat storing electrothermal exchanger and intelligent controlling circulating running system |
| EP2157374A1 (en) * | 2008-08-20 | 2010-02-24 | Andreas Kausler | Heating system |
| CN202747502U (en) * | 2012-04-27 | 2013-02-20 | 重庆大学 | Cooling water system based on cold storage of phase change material |
| CN205717919U (en) * | 2016-04-25 | 2016-11-23 | 芜湖美的厨卫电器制造有限公司 | Phase-change heat-storage water heater |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113865092A (en) * | 2021-09-18 | 2021-12-31 | 华帝股份有限公司 | Phase-change heat storage type water heater and control method |
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Application publication date: 20181113 |