CN107327896A - Paddy electricity heats solid heat storage heat-exchange system - Google Patents
Paddy electricity heats solid heat storage heat-exchange system Download PDFInfo
- Publication number
- CN107327896A CN107327896A CN201710711125.9A CN201710711125A CN107327896A CN 107327896 A CN107327896 A CN 107327896A CN 201710711125 A CN201710711125 A CN 201710711125A CN 107327896 A CN107327896 A CN 107327896A
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- Prior art keywords
- heat
- tube
- removing tube
- pipeline
- module
- 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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- 238000005338 heat storage Methods 0.000 title claims abstract description 37
- 230000005611 electricity Effects 0.000 title claims abstract description 25
- 239000007787 solid Substances 0.000 title claims abstract description 18
- 238000009825 accumulation Methods 0.000 claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 230000008676 import Effects 0.000 claims abstract description 5
- 238000006253 efflorescence Methods 0.000 abstract description 5
- 206010037844 rash Diseases 0.000 abstract description 5
- 238000010438 heat treatment Methods 0.000 description 11
- 239000011449 brick Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000005485 electric heating Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- PZZOEXPDTYIBPI-UHFFFAOYSA-N 2-[[2-(4-hydroxyphenyl)ethylamino]methyl]-3,4-dihydro-2H-naphthalen-1-one Chemical group C1=CC(O)=CC=C1CCNCC1C(=O)C2=CC=CC=C2CC1 PZZOEXPDTYIBPI-UHFFFAOYSA-N 0.000 description 1
- 206010062717 Increased upper airway secretion Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 208000026435 phlegm Diseases 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000011218 segmentation Effects 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
- F24D13/00—Electric heating systems
- F24D13/02—Electric heating systems solely using resistance heating, e.g. underfloor heating
-
- 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
- F24D19/1096—Arrangement or mounting of control or safety devices for electric heating systems
Landscapes
- 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)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Solid heat storage heat-exchange system, including heat exchange module and accumulation of heat module are heated the invention discloses a kind of paddy electricity, described accumulation of heat module includes thermal-insulating body, heat removing tube, electrothermal tube, sandstone, water inlet pipe and outlet pipe.Described heat removing tube, electrothermal tube and sandstone may be contained within described thermal-insulating body, and described heat removing tube and electrothermal tube are buried in the inside of the sandstone.The import of the heat removing tube is connected with described water inlet pipe, and the outlet of the heat removing tube is connected with described outlet pipe.Described water inlet pipe is connected by pipeline with the primary side inlet pipeline of the heat exchange module, and described outlet pipe is connected by pipeline with the primary side outlet pipeline of the heat exchange module, and circulating pump is provided with described primary side inlet pipeline.The system not only reduces cost, improves heat exchange efficiency, reduces heat loss, and the problem of in the absence of heat storage medium efflorescence, extends service life.
Description
Technical field
The present invention relates to accumulation of energy technical field of heat exchange, specifically a kind of paddy electricity heating solid for peak clipping Pinggu stores
Hot heat-exchange system.
Background technology
There is peak period and low ebb phase in electricity consumption, power plants generating electricity efficiency is raised with the rise of load, it is known that one
As electricity can not store, so would have to carry out peak regulation in the less low-valley interval of electricity consumption to ration the power supply, cause power plant high
The generating of efficiency.In order to efficiently balance electricity using at the peak time, country proposes the time-of-use tariffs policy of differentiation, encourages low ebb to use
Electricity.Coal changes electricity, and the cleaning heating of peak clipping Pinggu is the new policies of country.Paddy electricity heating solid heat storage heating system is better economy
A kind of electric accumulation of heat form, current paddy electricity heating solid heat storage heating system is to use solid heat storage brick accumulation of heat, will be worn by paddy electricity
The electrothermal tube being inserted in gitter brick cavity is imparted heat to by gitter brick accumulation of heat.When needing heat, ON cycle blower fan makes sky
The hole that gas is run through by gitter brick, is improved air themperature the amount of stored heat release of gitter brick institute.At the same time hot-air
The recirculated water in heat-exchanger rig is imparted heat to by heat-exchanger rig, for being used with heat target.
Traditional solid heat storage device is primarily present following shortcoming：
First, suitable efflorescence deformation is used for a long time in gitter brick, blocks hole, reduces the mobility of air, or even can not work,
Influence equipment safety and service life.
Second, big by air heat-exchange heat loss, heat transfer effect is poor.
3rd, by air heat-exchange, it is difficult to realize accurate temperature control.
The content of the invention
In view of the above-mentioned problems, heating solid heat storage heat-exchange system the invention provides a kind of paddy electricity, the system is using efficiently
Cheap sandstone directly heats heat storage medium as heat storage medium by electrothermal tube, converts electric energy to thermal energy storage, uses
Directly extract institute's amount of stored heat when hot by heat removing tube again, not only reduce cost, improve heat exchange efficiency, reduce heat loss,
And in the absence of heat storage medium efflorescence the problem of, extend service life.
The technical scheme adopted by the invention to solve the technical problem is that：
Paddy electricity heats solid heat storage heat-exchange system, including heat exchange module and accumulation of heat module, and described accumulation of heat module includes protecting
Incubator body, heat removing tube, electrothermal tube, heat storage medium, water inlet pipe and outlet pipe；
Described heat removing tube, electrothermal tube and heat storage medium may be contained within described thermal-insulating body, and described heat removing tube
The inside of the heat storage medium is buried in electrothermal tube；
The import of the heat removing tube is connected with described water inlet pipe, outlet and the described outlet pipe phase of the heat removing tube
Even；
Described water inlet pipe is connected by pipeline with the primary side inlet pipeline of the heat exchange module, and described outlet pipe leads to
Cross pipeline with the primary side outlet pipeline of the heat exchange module to be connected, circulating pump is provided with described primary side inlet pipeline.
Further, described heat storage medium uses sandstone.
Further, described heat removing tube is some, and the heat removing tube parallel arrangement described in some, described electric heating
Pipe is arranged vertically with described heat removing tube.
Further, described heat removing tube is some, and the heat removing tube parallel arrangement described in some, described electric heating
Manage and arranged for interval parallel with described heat removing tube.
Further, described heat removing tube is U-shaped, and described electrothermal tube is arranged at the U-shaped opening of the heat removing tube
It is internal.
Further, described heat removing tube includes taking hot inner tube and heat removal clutch, the upper end of the heat removal clutch with it is described
Take hot inner tube to be tightly connected, the lower end closed of the heat removal clutch, the upper end for taking hot inner tube and described water inlet pipe phase
Even, the lower end for taking hot inner tube is connected with the inner space of the heat removal clutch, and the heat removal clutch passes through sub- outlet pipe
It is connected with described outlet pipe.
Further, the quantity of the accumulation of heat module is multiple, and the water inlet pipe of each accumulation of heat module passes through pipe
Road is connected with the primary side inlet pipeline of the heat exchange module, the outlet pipe of each accumulation of heat module by pipeline with it is described
The primary side outlet pipeline of heat exchange module is connected, the water inlet pipe and described primary side inlet pipeline of each accumulation of heat module it
Between pipeline on be provided with motor-driven valve.
The beneficial effects of the invention are as follows：
1st, using cheap original sandstone as heat storage medium, the cost of accumulation of heat module not only greatly reduces, and
Because sandstone is in inherently powdered or graininess, the problem of in the absence of efflorescence, service life is long.
2nd, heat storage medium is directly contacted with electrothermal tube and heat removing tube in accumulation of heat module, is reduced air thermal resistance, is reduced
Heat loss, improves heat exchange efficiency and heat transfer effect.
3rd, take thermal change to take heat for water by air, on the one hand improve heat transfer effect, on the other hand for air heat-exchange,
Flow control and temperature control due to water more facilitate, therefore are easier secondary side (i.e. user side) in control heat exchange module
Temperature, temperature control is more accurate.
4th, it is pass in parallel by setting electrothermal tube and heat removing tube between multigroup accumulation of heat module, and each group abnormal heat module
System, therefore can as needed be segmented take heat in actual use, just can be only to having reduced phlegm and internal heat when so carrying out accumulation of heat again
Accumulation of heat module carries out accumulation of heat, on the one hand realizes the efficient utilization of accumulation of heat body heat content, is on the other hand conducive to exchanging thermal modules two
The accurate temperature controlling of secondary side.
5th, due to collectively constituting heat storage using multigroup accumulation of heat module, therefore can be according to the big of installing space and heating load
It is small, flexibly converted, strong adaptability.
Brief description of the drawings
Fig. 1 is the structural representation of the system；
Fig. 2 is the internal structure schematic diagram of accumulation of heat module；
Fig. 3 is Fig. 2 right view；
Fig. 4 is the structural representation of embodiment two.
In figure：1- accumulation of heat modules, 11- thermal-insulating bodies, 12- heat removing tubes, 121- takes hot inner tube, 122- heat removal clutch, 123-
Sub- outlet pipe, 13- electrothermal tubes, 14- heat storage mediums, 15- water inlet pipes, 16- outlet pipes, 2- heat exchange modules, 21- primary side water inlet pipes
Road, 22- primary side outlet pipelines, 23- secondary side inlet pipelines, 24- secondary side outlet pipelines, 3- circulating pumps, 4- motor-driven valves.
Embodiment
In order to be able to the technical characterstic of clear explanation this programme, below by embodiment, and its accompanying drawing is combined, to this
Invention is described in detail.Following disclosure provides many different embodiments or example is used for realizing the different knots of the present invention
Structure.In order to simplify disclosure of the invention, hereinafter the part and setting of specific examples are described.In addition, the present invention can be with
Repeat reference numerals and/or letter in different examples.This repetition is that for purposes of simplicity and clarity, itself is not indicated
Relation between various embodiments are discussed and/or set.It should be noted that part illustrated in the accompanying drawings is not necessarily to scale
Draw.Present invention omits the description to known assemblies and treatment technology and process to avoid being unnecessarily limiting the present invention.
Embodiment one
As shown in figure 1, paddy electricity heating solid heat storage heat-exchange system includes heat exchange module 2, several accumulation of heat modules 1 and circulation
Pump 3.
As shown in Fig. 2 described accumulation of heat module 1 includes thermal-insulating body 11, some heat removing tubes 12, some electrothermal tubes
13rd, heat storage medium 14, water inlet pipe 15 and outlet pipe 16.Described heat removing tube 12, electrothermal tube 13 and heat storage medium 14 may be contained within
In described thermal-insulating body 11, and described heat removing tube 12 and electrothermal tube 13 are buried in the inside of the heat storage medium 14.Institute
The import and export for stating heat removing tube 12 is respectively positioned on the outside of the thermal-insulating body 11, and some heat removing tubes 12 import with
Described water inlet pipe 15 is connected, and the outlet of some heat removing tubes 12 is connected with described outlet pipe 16.Described water inlet
Pipe 15 is connected by pipeline with the primary side inlet pipeline 21 of the heat exchange module 2, and described outlet pipe 16 passes through pipeline and institute
The primary side outlet pipeline 22 for stating heat exchange module 2 is connected, and the primary side that described circulating pump 3 is arranged at the heat exchange module 2 enters
In water lines 21.
When described heat exchange module 2 is with heating, the secondary side inlet pipeline 23 of the heat exchange module 2 connects heating backwater,
The secondary side outlet pipeline 24 of the heat exchange module 2 connects heating water supply.
Heat exchange module 2 described herein uses heat exchanger of the prior art, will not be repeated here.
As a kind of embodiment, the heat storage medium 14 described in the present embodiment uses sandstone.Using the original of sandstone
Because there is two, the first sandstone raw material is easy to get, and cost is low；Second sandstone is in inherently powdered or graininess, in the absence of efflorescence
The problem of, service life is long.
As a kind of embodiment, the quantity of heat removing tube 12 described in the present embodiment is four, and described in four
Heat removing tube 12 is arranged in parallel；The quantity of the electrothermal tube 13 is three, and described electrothermal tube 13 hangs down with described heat removing tube 12
Straight arrangement.
Further, in order to improve the heat transfer effect in accumulation of heat module 1, as shown in Figures 2 and 3, described heat removing tube 12
U-shaped and described electrothermal tube 13 is arranged at the inside of the U-shaped opening of the heat removing tube 12.
Further, in order to realize that segmentation takes heat, as shown in figure 1, the water inlet pipe 15 of each accumulation of heat module 1 with it is described
Primary side inlet pipeline 21 between pipeline on be provided with motor-driven valve 4.
The main purpose so designed has two, and first improves the utilization rate of heat, and second improves the accuracy of temperature control.
It is further explained below with regard to how to improve accuracy of temperature control.When the temperature reduction of the secondary side of heat exchange module 2, explanation
Heat in the accumulation of heat module 1 has already decreased to lower limit, can be switched to another or several heats by the control of motor-driven valve 4
Sufficient accumulation of heat module 1, so as to ensure the temperature of primary side entered in heat exchange module 2, and then improves heat exchange module 2 two times
The temperature of side, realizes the control to temperature.At the same time, electrothermal tube 13 is reduced to the accumulation of heat module 1 of lower limit to heat and carried out
Accumulation of heat, in case subsequent cycle.It can just think, if to using a larger accumulation of heat module 1, when the temperature of the secondary side of heat exchange module 2
During degree reduction, it can only be adjusted by way of the accumulation of heat of electrothermal tube 13, and this regulative mode is undoubtedly not sensitive enough, temperature control is not
It is enough accurate.
Embodiment two
As shown in figure 4, described heat removing tube 12 includes taking hot inner tube 121, the outer cover for taking hot inner tube 121 is provided with taking
Thermal sleeve 122.The upper end of the heat removal clutch 122 takes hot inner tube 121 to be tightly connected with described, the heat removal clutch 122
Lower end closed, the upper end for taking hot inner tube 121 is connected with described water inlet pipe 15, the lower ending opening for taking hot inner tube 121,
And be connected with the inner space of the heat removal clutch 122.The heat removal clutch 122 is located at the portion outside the thermal-insulating body 11
Be provided with the sub- outlet pipe 123 being connected with the inner space of the heat removal clutch 122 on point, described sub- outlet pipe 123 with
Described outlet pipe 16 is connected.Described electrothermal tube 13 is arranged at the side of the heat removal clutch 122, and takes hot jacket with described
Pipe 122 is arranged vertically.
Remaining structure be the same as Example one.
Embodiment three
Described electrothermal tube 13 is arranged in parallel with described heat removing tube 12, and described electrothermal tube 13 and described heat removing tube
12 arranged for interval, remaining structure be the same as Example one.
Simply the preferred embodiment of the present invention described above, for those skilled in the art,
Without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also regarded as this hair
Bright protection domain.
Claims (7)
1. paddy electricity heats solid heat storage heat-exchange system, including heat exchange module and accumulation of heat module, it is characterised in that：Described accumulation of heat mould
Block includes thermal-insulating body, heat removing tube, electrothermal tube, heat storage medium, water inlet pipe and outlet pipe；
Described heat removing tube, electrothermal tube and heat storage medium may be contained within described thermal-insulating body, and described heat removing tube and electricity
Heat pipe is buried in the inside of the heat storage medium；
The import of the heat removing tube is connected with described water inlet pipe, and the outlet of the heat removing tube is connected with described outlet pipe；
Described water inlet pipe is connected by pipeline with the primary side inlet pipeline of the heat exchange module, and described outlet pipe passes through pipe
Road is connected with the primary side outlet pipeline of the heat exchange module, and circulating pump is provided with described primary side inlet pipeline.
2. paddy electricity according to claim 1 heats solid heat storage heat-exchange system, it is characterised in that：Described heat storage medium is adopted
Use sandstone.
3. paddy electricity according to claim 1 heats solid heat storage heat-exchange system, it is characterised in that：If described heat removing tube is
Dry root, and the heat removing tube parallel arrangement described in some, described electrothermal tube are arranged vertically with described heat removing tube.
4. paddy electricity according to claim 1 heats solid heat storage heat-exchange system, it is characterised in that：If described heat removing tube is
Dry root, and the heat removing tube parallel arrangement described in some, described electrothermal tube is parallel with described heat removing tube and arranged for interval.
5. paddy electricity according to claim 1 heats solid heat storage heat-exchange system, it is characterised in that：Described heat removing tube is in U
Type, and described electrothermal tube is arranged at the inside of the U-shaped opening of the heat removing tube.
6. paddy electricity according to claim 1 heats solid heat storage heat-exchange system, it is characterised in that：Described heat removing tube includes
Hot inner tube and heat removal clutch are taken, the upper end of the heat removal clutch takes hot inner tube to be tightly connected with described, the heat removal clutch
Lower end closed, the upper end for taking hot inner tube is connected with described water inlet pipe, and the lower end for taking hot inner tube takes hot jacket with described
The inner space of pipe is connected, and the heat removal clutch is connected by sub- outlet pipe with described outlet pipe.
7. paddy electricity according to claim 1 heats solid heat storage heat-exchange system, it is characterised in that：The number of the accumulation of heat module
Measure to be multiple, and the water inlet pipe of each accumulation of heat module passes through the primary side inlet pipeline phase of pipeline and the heat exchange module
Even, the outlet pipe of each accumulation of heat module is connected by pipeline with the primary side outlet pipeline of the heat exchange module, each
Motor-driven valve is provided with pipeline between the water inlet pipe of the accumulation of heat module and described primary side inlet pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710711125.9A CN107327896A (en) | 2017-08-18 | 2017-08-18 | Paddy electricity heats solid heat storage heat-exchange system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710711125.9A CN107327896A (en) | 2017-08-18 | 2017-08-18 | Paddy electricity heats solid heat storage heat-exchange system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107327896A true CN107327896A (en) | 2017-11-07 |
Family
ID=60224041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710711125.9A Pending CN107327896A (en) | 2017-08-18 | 2017-08-18 | Paddy electricity heats solid heat storage heat-exchange system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107327896A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469891A (en) * | 2019-07-26 | 2019-11-19 | 浙江大学 | A kind of solid sensible heat storage heating system and method |
| CN111256200A (en) * | 2020-01-20 | 2020-06-09 | 辽宁工程技术大学 | Device and method for controlling heat transmission of off-peak electricity high-temperature heat accumulator |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11325649A (en) * | 1998-05-11 | 1999-11-26 | Kajima Corp | Soil heat source ice heat accumulating heat pump |
| JP2001021183A (en) * | 1999-07-09 | 2001-01-26 | Daikin Ind Ltd | Ice thermal storage system |
| CN1485593A (en) * | 2002-09-29 | 2004-03-31 | 王智慧 | Incorporated high density phase transformation energy accumulation power consumption heat supply process and apparatus |
| JP2004233031A (en) * | 2002-12-05 | 2004-08-19 | Nippon Steel Corp | Underground heat exchanger by hollow tubular body embedded by rotating press-fitting method, and highly efficient energy system using the same |
| JP3134804U (en) * | 2007-06-14 | 2007-08-23 | 紘仁 赤津 | Regenerative electric floor heater |
| CN205481273U (en) * | 2016-01-26 | 2016-08-17 | 沈阳工业大学 | Gallery formula electrical heating heat accumulator structure |
| CN207094745U (en) * | 2017-08-18 | 2018-03-13 | 山东北辰机电设备股份有限公司 | Paddy electricity heats solid heat storage heat-exchange system |
-
2017
- 2017-08-18 CN CN201710711125.9A patent/CN107327896A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11325649A (en) * | 1998-05-11 | 1999-11-26 | Kajima Corp | Soil heat source ice heat accumulating heat pump |
| JP2001021183A (en) * | 1999-07-09 | 2001-01-26 | Daikin Ind Ltd | Ice thermal storage system |
| CN1485593A (en) * | 2002-09-29 | 2004-03-31 | 王智慧 | Incorporated high density phase transformation energy accumulation power consumption heat supply process and apparatus |
| JP2004233031A (en) * | 2002-12-05 | 2004-08-19 | Nippon Steel Corp | Underground heat exchanger by hollow tubular body embedded by rotating press-fitting method, and highly efficient energy system using the same |
| JP3134804U (en) * | 2007-06-14 | 2007-08-23 | 紘仁 赤津 | Regenerative electric floor heater |
| CN205481273U (en) * | 2016-01-26 | 2016-08-17 | 沈阳工业大学 | Gallery formula electrical heating heat accumulator structure |
| CN207094745U (en) * | 2017-08-18 | 2018-03-13 | 山东北辰机电设备股份有限公司 | Paddy electricity heats solid heat storage heat-exchange system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469891A (en) * | 2019-07-26 | 2019-11-19 | 浙江大学 | A kind of solid sensible heat storage heating system and method |
| CN110469891B (en) * | 2019-07-26 | 2021-05-18 | 浙江大学 | Solid sensible heat storage and heat supply system and method |
| CN111256200A (en) * | 2020-01-20 | 2020-06-09 | 辽宁工程技术大学 | Device and method for controlling heat transmission of off-peak electricity high-temperature heat accumulator |
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Application publication date: 20171107 |
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