CN109442534A - A kind of high-temperature phase-change solid heat accumulation integral type heat exchange heating system - Google Patents
A kind of high-temperature phase-change solid heat accumulation integral type heat exchange heating system Download PDFInfo
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- CN109442534A CN109442534A CN201811126068.9A CN201811126068A CN109442534A CN 109442534 A CN109442534 A CN 109442534A CN 201811126068 A CN201811126068 A CN 201811126068A CN 109442534 A CN109442534 A CN 109442534A
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- integral type
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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
- F24D11/00—Central heating systems using heat accumulated in storage masses
- F24D11/006—Central heating systems using heat accumulated in storage masses air heating system
- F24D11/008—Central heating systems using heat accumulated in storage masses air heating system with conventional supplementary heat source
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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
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1084—Arrangement or mounting of control or safety devices for air heating systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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- Engineering & Computer Science (AREA)
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- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a kind of high-temperature phase-change solid heat accumulation integral type heat exchange heating systems, it include: solid heat storage electric boiler, blower and air water integral type ultravacuum heat exchanger, wherein, blower will be transferred to solid heat storage grill pan stove heating after air pressurized, the air after heating is transferred to air water integral type ultravacuum heat exchanger by solid heat storage electric boiler；One cycle water of the air water integral type ultravacuum heat exchanger by the heat transfer of the air after heating into air water integral type ultravacuum heat exchanger, the air after cooling enter blower, repressurization.Localized hyperthermia's gasification phenomenon will not occur for the air water integral type ultravacuum heat exchanger that the present invention uses, it is more safe and reliable, and the service life of equipment can be extended, and when providing steam for user, since equipment is ultravacuum, steam pressure and normal pressure system ratio are more prone to produce steam, the system can be made to generate steam at a lower temperature, required temperature is reduced, keeps the system more energy saving.
Description
Technical field
The present invention relates to phase-change thermal storage technology fields, and in particular to a kind of high-temperature phase-change solid heat accumulation integral type heat exchange heat supply
System.
Background technique
With the fast development of urbanization process, northern China urban heating workload demand sharp increase, central heating system
That unites is increasing for heat density, and heat range of heat is also increasing.Northern urban heating energy consumption accounts for about national town building total energy
The 60% of consumption, is the important component of building energy conservation.However haze requirement, northern cities and towns are administered in view of environmental protection and winter
It is implemented " coal changes gas " in heating system, a large amount of gas fired-boiler comes into operation in succession.The temperature of gas fired-boiler discharge flue gas exists
150 DEG C, the waste heat of discharge accounts for about 11% or so of combustion gas input energy, it can be seen that gas fired-boiler energy-saving potential is larger.
In the heating system of gas fired-boiler, need to convert the heat after heating in air using heat-exchanger rig, currently, existing
The various heat-exchanger rigs having by the converting heat of air be heat-exchanger rig in water heat when, the hot air inlet of heat-exchanger rig and
The temperature difference is larger between water, is easy to happen localized hyperthermia's gasification phenomenon, runs under such conditions for a long time, can seriously affect the equipment longevity
Life.In addition, needing again to heat hot water, more energy can be consumed when heat-exchanger rig provides steam to industrial user.
Summary of the invention
In view of this, the present invention provides a kind of high-temperature phase-change solid heat accumulation integral type heat exchange heating system, it is existing to solve
Heat-exchanger rig is easy to happen the problem of localized hyperthermia's gasification phenomenon and energy consumption in technology heating system.
Technical solution proposed by the present invention is as follows:
The present invention provides a kind of high-temperature phase-change solid heat accumulation integral type heat exchange heating systems, comprising: solid heat storage grill pan
Furnace, blower and air water integral type ultravacuum heat exchanger, wherein the blower will be transferred to the solid heat storage electricity after air pressurized
Boiler is heated, and the air after heating is transferred to the air water integral type ultravacuum and exchanged heat by the solid heat storage electric boiler
Device；The air water integral type ultravacuum heat exchanger is super true to the air water integral type by the heat transfer of the air after the heating
One cycle water in empty heat exchanger, the air after cooling enter the blower, repressurization.
Preferably, the air water integral type ultravacuum heat exchanger includes: the pipeline of cavity and inside cavity, after the heating
Air enter the pipeline in, the one cycle water capacity is placed in the cavity of the air water integral type ultravacuum heat exchanger.
Preferably, the high-temperature phase-change solid heat accumulation integral type heat exchange heating system further include: sensor is patrolled with programmable
Controller is collected, the sensor acquires vacuum degree and the one cycle water in the air water integral type ultravacuum heat exchanger
Water level and be transferred to the programmable logic controller (PLC), the programmable logic controller (PLC) judges whether the vacuum degree low
In vacuum degree setting value, when the vacuum degree is lower than the vacuum degree setting value, the programmable logic controller (PLC) is issued
First alarm signal；The programmable logic controller (PLC) judges whether the water level of the one cycle water is lower than water level settings value,
When the water level of the one cycle water is lower than the water level settings value, the programmable logic controller (PLC) issues the second alarm signal
Number.
Preferably, the blower is frequency conversion fan.
Preferably, the high-temperature phase-change solid heat accumulation integral type heat exchange heating system further include: thermometer, the thermometer
It is connected to the water outlet of the air water integral type ultravacuum heat exchanger, detects the water outlet of air water integral type ultravacuum heat exchanger
The water temperature at place, the programmable logic controller (PLC) connect the thermometer and the frequency conversion fan, the Programmable logical controller
The water temperature that device is detected according to the thermometer is adjusted in a manner of adjusting the frequency converter of the frequency conversion fan through the frequency conversion wind
The air mass flow of machine.
Preferably, when the temperature of thermometer detection is more than the first temperature value of setting, the programmable logic control
Device processed issues the first high temperature alarm signal；When the thermometer detection temperature be more than setting second temperature value when, it is described can
Programmed logic controller controls the frequency conversion fan and stops working.
Preferably, the high-temperature phase-change solid heat accumulation integral type heat exchange heating system further include: calorimeter, the air water one
The water inlet of body formula ultravacuum heat exchanger connects the calorimeter, and the calorimeter calculates the heat supply of the solid heat storage electric boiler
Amount.
Preferably, the solid heat storage electric boiler heats air using phase-change material.
Technical solution of the present invention has the advantages that
1. air water integral type ultravacuum is arranged in high-temperature phase-change solid heat accumulation integral type heat exchange heating system provided by the invention
The converting heat of air is the heat of recirculated water, provides heat source for user by heat exchanger, and the air water integral type that the present invention uses is super
Vacuum heat exchanger enters the air after heating in the pipeline of inside cavity, and the one cycle water capacity is placed in cavity, in pipeline
Air can be to a water-bath of the one cycle water entirety in cavity, the temperature of one cycle water is uniform, and office will not occur
Portion's high-temperature gasification phenomenon more securely and reliably, and can extend the service life of equipment.When air water integral type ultravacuum exchanges heat
When device provides steam for user, since equipment is ultravacuum, steam pressure and normal pressure system ratio are more prone to produce steam, therefore should
System can generate steam at a lower temperature, reduce required temperature, keep the system more energy saving.
2. thermometer is set in high-temperature phase-change solid heat accumulation integral type heat exchange heating system provided by the invention, it can basis
The numerical value of thermometer adjusts the air mass flow of blower, and high temperature alarm signal is issued when temperature count value is higher, prompts air water one
Body formula ultravacuum heat exchanger outlet temperature is higher, in case the equipment such as air water integral type ultravacuum heat exchanger are damaged.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a specific example of high temperature of embodiment of the present invention phase transformation solid heat accumulation integral type heat exchange heating system
Structure principle chart；
Fig. 2 is another specific example of high temperature of embodiment of the present invention phase transformation solid heat accumulation integral type heat exchange heating system
Structure principle chart
Fig. 3 is the structure principle chart of a specific example of air water integral type ultravacuum heat exchanger in the embodiment of the present invention.
Appended drawing reference:
1- solid heat storage electric boiler；2- blower；3- air water integral type ultravacuum heat exchanger；4- thermometer；5- heat user；6-
Calorimeter；7- cavity；8- pipeline；9- sensor；10- can logical editting control machine.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the connection inside two elements, can be wireless connection, be also possible to wired connection.For those of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
The embodiment of the invention provides a kind of high-temperature phase-change solid heat accumulation integral type heat exchange heating systems, as shown in Figure 1, should
System includes: solid heat storage electric boiler 1, blower 2 and air water integral type ultravacuum heat exchanger 3, wherein blower 2 is by air pressurized
After be transferred to the heating of solid heat storage electric boiler 1, it is super true that the air after heating is transferred to air water integral type by solid heat storage electric boiler 1
Empty heat exchanger 3；Air water integral type ultravacuum heat exchanger 3 changes the heat transfer of the air after heating to air water integral type ultravacuum
One cycle water in hot device 3, the one cycle water after heating are that user 5 provides heat, and the air after cooling enters blower 2,
Repressurization.
In the embodiment of the present invention, the one cycle water after heating in air water integral type ultravacuum heat exchanger 3 is directly supplied
Heat or at a set temperature production steam progress heat supply.But the present invention is not limited thereto, in practical applications, air water one
Formula ultravacuum heat exchanger 3 can also provide heat source by other means.
In a preferred embodiment, as shown in figure 3, air water integral type ultravacuum heat exchanger 3 includes: in cavity 7 and cavity
The pipeline 8 in portion, the air after heating enter in pipeline 8, and the one cycle water capacity is placed in the chamber of air water integral type ultravacuum heat exchanger
In body 7.
In the embodiment of the present invention, the pipeline of inside cavity is dipped in completely in one cycle water.But the present invention not as
Limit, in practical applications, the pipeline of inside cavity can also be not exclusively dipped in one cycle water, or with one cycle water
Water level maintains an equal level.
In the embodiment of the present invention, it is super that high-temperature phase-change solid heat accumulation integral type heat exchange heating system is provided with air water integral type
The converting heat of air is the heat of recirculated water, provides heat source for user by vacuum heat exchanger, the air water one that the present invention uses
Formula ultravacuum heat exchanger enters the air after heating in the pipeline of inside cavity, and the one cycle water capacity is placed in cavity,
Air in pipeline can be to a water-bath of the one cycle water entirety in cavity, and the temperature of one cycle water is uniform, will not
Localized hyperthermia's gasification phenomenon occurs, more securely and reliably, and the service life of equipment can be extended.When air water integral type is super true
When empty heat exchanger provides steam for user, since equipment is ultravacuum, steam pressure and normal pressure system ratio are more prone to produce steam,
The system can be made to generate steam at a lower temperature, required temperature is reduced, keep the system more energy saving.
In a preferred embodiment, the heating system as shown in Fig. 2, high-temperature phase-change solid heat accumulation integral type exchanges heat further include:
Sensor 7 and programmable logic controller (PLC) 8, sensor 7 acquire the vacuum degree and one in air water integral type ultravacuum heat exchanger
The water level of secondary recirculated water is simultaneously transferred to programmable logic controller (PLC) 8, and programmable logic controller (PLC) 8 judges whether vacuum degree is lower than
Vacuum degree setting value, when vacuum degree is lower than vacuum degree setting value, programmable logic controller (PLC) 8 issues the first alarm signal；
Programmable logic controller (PLC) 8 judges whether the water level of one cycle water is lower than water level settings value, when the water level of one cycle water is low
When water level settings value, programmable logic controller (PLC) 8 issues the second alarm signal.
In a preferred embodiment, blower 2 can be frequency conversion fan.
In a preferred embodiment, high-temperature phase-change solid heat accumulation integral type heat exchange heating system further include: thermometer 4, it should
Thermometer 4 is connected to the water outlet of air water integral type ultravacuum heat exchanger 3, to detect air water integral type ultravacuum heat exchanger
The water temperature of 3 water outlet.Programmable logic controller (PLC) connects thermometer 4 and frequency conversion fan 2, programmable logic controller (PLC) according to
The temperature that thermometer 4 detects adjusts the air mass flow by frequency conversion fan 2 in a manner of adjusting the frequency converter of frequency conversion fan 2.
In a preferred embodiment, when the temperature that thermometer 4 detects is more than the first temperature value of setting, programmable logic
Controller issues the first high temperature alarm signal；It is programmable to patrol when the temperature that thermometer 4 detects is more than the second temperature value of setting
Controller control blower 2 is collected to stop working.
In the embodiment of the present invention, thermometer is set in high-temperature phase-change solid heat accumulation integral type heat exchange heating system, it can be with
The air mass flow that blower is adjusted according to the numerical value of thermometer issues high temperature alarm signal when temperature count value is higher, prompts gas
Water integral type ultravacuum heat exchanger outlet temperature is higher, in case the equipment such as air water integral type ultravacuum heat exchanger are damaged,
In addition two temperature values, which are arranged, in thermometer 4 can preferably protect air water integral type ultravacuum heat exchanger, super in air water integral type
When the outlet temperature of vacuum heat exchanger reaches certain value, issues high temperature alarm signal and remind, it is super true reaching air water integral type
When the maximum temperature that empty heat exchanger is born, blower is made to stop working, what setting can also be more efficient in this way utilizes solid heat storage electricity
Boiler.
In a preferred embodiment, high-temperature phase-change solid heat accumulation integral type heat exchange heating system further include: calorimeter 6, gas
Calorimeter 6 is arranged in the water inlet of water integral type ultravacuum heat exchanger 3, and calorimeter 6 can calculate the heat supply of solid heat storage electric boiler 1
Amount, so as to electricity consumption situation of the subsequent adjustable solid heat storage electric boiler in peak electricity and paddy electricity, reasonable employment different time sections
Electricity, reach more energy-efficient purpose.
In a preferred embodiment, phase-change material heating air can be used in solid heat storage electric boiler 1.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (8)
- The heating system 1. a kind of high-temperature phase-change solid heat accumulation integral type exchanges heat characterized by comprising solid heat storage electric boiler, Blower and air water integral type ultravacuum heat exchanger, whereinThe blower will be transferred to the solid heat storage electric boiler and heat after air pressurized, the solid heat storage electric boiler will Air after heating is transferred to the air water integral type ultravacuum heat exchanger；The air water integral type ultravacuum heat exchanger surpasses the heat transfer of the air after the heating to the air water integral type One cycle water in vacuum heat exchanger, the air after cooling enter the blower, repressurization.
- The heating system 2. high-temperature phase-change solid heat accumulation integral type as described in claim 1 exchanges heat, which is characterized in that the air water Integral type ultravacuum heat exchanger includes: the pipeline of cavity and inside cavity, and the air after the heating enters in the pipeline, institute The one cycle water capacity is stated to be placed in the cavity of the air water integral type ultravacuum heat exchanger.
- The heating system 3. high-temperature phase-change solid heat accumulation integral type as claimed in claim 2 exchanges heat, which is characterized in that further include: Sensor and programmable logic controller (PLC), the sensor acquire the vacuum degree in the air water integral type ultravacuum heat exchanger With the water level of the one cycle water and be transferred to the programmable logic controller (PLC),The programmable logic controller (PLC) judges whether the vacuum degree is lower than vacuum degree setting value, when the vacuum degree is low When the vacuum degree setting value, the programmable logic controller (PLC) issues the first alarm signal；The programmable logic controller (PLC) judges whether the water level of the one cycle water is lower than water level settings value, when described primary When the water level of recirculated water is lower than the water level settings value, the programmable logic controller (PLC) issues the second alarm signal.
- The heating system 4. high-temperature phase-change solid heat accumulation integral type as claimed in claim 3 exchanges heat, which is characterized in that the blower For frequency conversion fan.
- The heating system 5. high-temperature phase-change solid heat accumulation integral type as claimed in claim 4 exchanges heat, which is characterized in that further include: Thermometer, the thermometer are connected to the water outlet of the air water integral type ultravacuum heat exchanger, and detection air water integral type is super The water temperature of the water outlet of vacuum heat exchanger, the programmable logic controller (PLC) connect the thermometer and the frequency conversion fan, The water temperature that the programmable logic controller (PLC) is detected according to the thermometer is in a manner of adjusting the frequency converter of the frequency conversion fan The air mass flow that adjustment passes through the frequency conversion fan.
- The heating system 6. high-temperature phase-change solid heat accumulation integral type as claimed in claim 5 exchanges heat, which is characterized in thatWhen the temperature of thermometer detection is more than the first temperature value of setting, the programmable logic controller (PLC) issues first High temperature alarm signal；When the temperature of thermometer detection is more than the second temperature value of setting, described in the PLC controls Frequency conversion fan stops working.
- The heating system 7. high-temperature phase-change solid heat accumulation integral type as described in claim 1 exchanges heat, which is characterized in that further include: Calorimeter, the water inlet of the air water integral type ultravacuum heat exchanger connect the calorimeter, and the calorimeter calculates described solid The heating load of body thermal storage electric boiler.
- 8. such as high-temperature phase-change solid heat accumulation integral type of any of claims 1-7 heat exchange heating system, feature exists In the solid heat storage electric boiler heats air using phase-change material.
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| CN201811126068.9A CN109442534A (en) | 2018-09-26 | 2018-09-26 | A kind of high-temperature phase-change solid heat accumulation integral type heat exchange heating system |
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| CN201811126068.9A CN109442534A (en) | 2018-09-26 | 2018-09-26 | A kind of high-temperature phase-change solid heat accumulation integral type heat exchange heating system |
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| CN110500782A (en) * | 2019-10-08 | 2019-11-26 | 沈阳工程学院 | A kind of solid electric heat storage formula boiler plant electric thermal power arrangement |
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| CN112304139A (en) * | 2020-10-10 | 2021-02-02 | 上海中如智慧能源集团有限公司 | Low-price practical solid heat storage boiler |
| CN113623711A (en) * | 2021-09-15 | 2021-11-09 | 西安热工研究院有限公司 | Heat storage and supply system for wide-range adjustment of electric output of gas-steam combined unit |
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| CN113623711A (en) * | 2021-09-15 | 2021-11-09 | 西安热工研究院有限公司 | Heat storage and supply system for wide-range adjustment of electric output of gas-steam combined unit |
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