CN107559812A - Modular multistage phase-change heat-storage high-temperature air burning energy saver - Google Patents
Modular multistage phase-change heat-storage high-temperature air burning energy saver Download PDFInfo
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- CN107559812A CN107559812A CN201710954024.4A CN201710954024A CN107559812A CN 107559812 A CN107559812 A CN 107559812A CN 201710954024 A CN201710954024 A CN 201710954024A CN 107559812 A CN107559812 A CN 107559812A
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
A kind of modular multistage phase-change heat-storage high-temperature air burning energy saver of the present invention, including:Reversal valve, multiple heat storages, fuel inlet, burner and combustion chamber.Reversal valve connects air intlet and offgas outlet;Heat storage is connected with reversal valve;Burner is connected with heat storage;Fuel inlet is connected with burner;Combustion chamber is connected with burner;Heat storage includes the first heat storage and the second heat storage, and the first heat storage is connected by reversal valve with air intlet or offgas outlet;Second heat storage is connected by reversal valve with offgas outlet or air intlet;Burner includes the first burner and the second burner, and the first burner is connected with the first heat storage;Second burner is connected with the second heat storage;First burner and the second burner are connected to oil and gas switch.The device can effectively utilize fume afterheat, improve the stability of burner flame.The heat-exchanger rig is simple in construction simultaneously, and easily transformation, related phase-change material can be changed according to different operating modes.
Description
Technical field
The invention belongs to combustion energy saving technical field, more particularly to a kind of modular multistage phase-change heat-storage high temperature air to fire
Burn energy saver.
Background technology
In recent years, as national governments are to the pay attention to day by day of efforts at environmental protection, all risen in worldwide pollution administration,
The motion of environmental protection.New green technology and product continues to bring out, while is also constantly be generated new problem.Coal dust firing exists
Critical role, and the always emphasis and difficult point of pollution administration are accounted in disposal of pollutants.
Boiler thermal output how is improved, saves the energy, reduces soot emissions, is effective solution China's energy and environmental problem
Important step.And in secondary link, it is key point to improve efficiency of combustion.To solve the above problems, using third generation heat accumulating type
Combustion technology is undoubtedly a selection well.
Regenerative combustion technology is the combustion technology of latest generation, is third generation combustion technology.For the first generation and second
For the low situation of the burner hearth heat utilization efficiency of combustion technology, third generation heat accumulating type high temperature air combustion technology is various anti-with that can improve
The advantages of answering the heat utilization efficiency and reaction temperature, the quality and grade of reduction fuel of device, is advantageously implemented low oxygen and low nitrogen burning, together
When can reduce the generation of atmospheric haze.The burner hearth heat utilization efficiency of third generation regenerative combustion technology is up to 86%, systematic heat utilization
Rate is up to more than 94%.
The key of third generation regenerative combustion technology is the utilization of heat storage.The heat storage of existing regenerative combustion technology
It with the materials such as refractory brick, these heat-storing materials is to store heat by material sensible heat to be.Because sensible heat accumulation of heat has energy
The shortcomings that density is small, range of temperature is big so that third generation regenerative combustion technology exist reversal valve commutation frequently, burner combustion
Burn the shortcomings that unstable.
The content of the invention
In order to solve the above problems, the invention provides a kind of modular multistage phase-change heat-storage energy saver, the dress
Put including:
Reversal valve, the reversal valve connect air intlet and offgas outlet respectively;
Multiple heat storages, the heat storage are connected with the reversal valve, by caused flue gas accumulation of heat in combustion chamber, and it is right
The gas entered through the air intlet is heated;
Reversal valve any switching laws between the air intlet and the offgas outlet, connect air intlet and heat storage
Logical or offgas outlet connects with heat storage;
Burner, the burner are connected with the heat storage;
Fuel inlet, the fuel inlet connect the burner;
Combustion chamber, the combustion chamber are connected with the burner.
Further, the heat storage includes the first heat storage and the second heat storage, and first heat storage passes through described
Reversal valve is connected with the air intlet or the offgas outlet;Second heat storage passes through the reversal valve and the tail gas
Outlet or air intlet connection.Further, the burner includes the first burner and the second burner, first burner with
The first heat storage connection;Second burner is connected with second heat storage;First burner and described second burns
Mouth is connected to oil and gas switch.
Further, first heat storage and second heat storage include multiple thermal storage units, the accumulation of heat list
Member includes high-temperature heat accumulation unit, medium temperature regenerator unit and low-temperature heat accumulating unit.
Further, multiple thermal storage units are separately mounted in multiple heat storages, and multiple heat storages are arranged in series, Huo Zheduo
Individual thermal storage unit is arranged in same heat storage according to flow of flue gas direction, and the heat storage forms multi-level phase change heat storage.
Further, the high-temperature heat accumulation unit is equipped with high temperature phase change material (pcm), and the medium temperature regenerator unit is equipped with medium temperature phase
Become material, the low-temperature heat accumulating unit is equipped with low-temperature phase-change material, the high-temperature heat accumulation unit, medium temperature regenerator unit and low temperature
Thermal storage unit is arranged in order according to along flow of flue gas direction, temperature sequence.
Preferably, both sides are provided with multiple spoilers inside the heat storage.
Further, multiple thermal storage units are arranged in same heat storage according to flow of flue gas direction, the thermal storage unit
Between be provided with isolation orifice plate, the isolation orifice plate and the thermal storage unit detachable connection.
Preferably, the duct on the adjacent isolation orifice plate is corresponding connects.
Further, in addition to heat-insulation layer, multiple thermal storage units are separately mounted in multiple heat storages, multiple heat storage strings
When connection is set, the heat-insulation layer is wrapped in outside the interface channel between two adjacent heat storages;Company where the heat-insulation layer
Adapter road is wrapped up using insulation material, and the insulation material is asbestos.
A kind of the advantages of modular multistage phase-change heat-storage high-temperature air burning energy saver of the present invention, is:
1. the device of the present invention is a kind of more efficient regenerative combustion system using fume afterheat.
2. using multistage latent-heat storage body in the device of the present invention, phase change heat storage material can be changed according to actual conditions,
Temperature control is more flexible, and pre-heated gas temperature is more steady.
3. the phase-change material that heat storage uses in the present invention is cheap for fuse salt solid-liquid sizing phase-change material, cost
It is low.
4. the phase-change material storage density in the multistage latent-heat storage body used in the present invention is big, heat accumulation time length, commutation
Valve need not frequently commutate.
5. the phase-change material in the present invention has the characteristics of phase transition temperature is constant, it is ensured that the temperature of preheated air compared with
Relative constancy in the long time, so that the flame of burner is more steady.
6. the multi-level phase change heat storage of the modularized design of the present invention make it that changing heat-storing material more facilitates, and is also beneficial to
The maintenance effect of heat storage.
7. the isolation AND DEWATERING FOR ORIFICE STRUCTURE designed between the thermal storage unit of the present invention is not only effectively improved heat transfer effect, and right
Heat storage can also play a part of classification.
Brief description of the drawings
Fig. 1 is the schematic diagram of modular multistage phase-change heat-storage high-temperature air burning energy saver of the present invention.
Fig. 2 is the structural representation of heat storage of the present invention.
Fig. 3 is the structural representation of the multiple heat storage series connection of the present invention.
Fig. 4 is the front view for isolating orifice plate in the present invention.
Fig. 5 is the top view for isolating orifice plate in the present invention.
1- air intlets, 2- reversal valves, the heat storages of 3- first, the burners of 4- first, 5- oil and gas switch, 6- combustion chambers, 7-
Two burners, the heat storages of 8- second, 9- heat-insulation layers, 10- offgas outlets, 11- high-temperature heat accumulations unit, 12- medium temperature regenerators unit, 13-
Low-temperature heat accumulating unit, 14- isolation orifice plates.
Embodiment
Below with reference to accompanying drawing, the modular multistage phase-change heat-storage high-temperature air burning energy saver of the present invention is carried out
Further illustrate.
The structural representation of modular multistage phase-change heat-storage high-temperature air burning energy saver of the present invention according to Fig. 1
Figure, present invention comprises air intlet 1, reversal valve 2, the first heat storage 3, the first burner 4, oil and gas switch 5, combustion chamber 6, second
Burner 7, the second heat storage 8, heat-insulation layer 9, offgas outlet 10.The reversal valve 2 connects air intlet 1 and offgas outlet 10, and
Any switching laws between the air intlet 1 and the offgas outlet 10, air intlet is set to be connected with heat storage or offgas outlet
Connected with heat storage;The heat storage is connected with the reversal valve 2, the heat-insulation layer 9 be wrapped in two adjacent heat storages it
Between interface channel outside;The burner is connected with the heat storage;The fuel inlet passes through the oil and gas switch 5 and the burning
Mouth connects;The combustion chamber 6 is connected with the burner.The heat storage includes the first heat storage 3 and the second heat storage 8, described
First heat storage 3 is connected by the reversal valve 2 with the air intlet 1 or the offgas outlet 10;Second heat storage 8
It is connected by the reversal valve 2 with the offgas outlet 10 or air intlet 1.First heat storage 3 and second accumulation of heat
Body 8 has multiple.The burner includes the first burner 4 and the second burner 7, and first burner 4 connects with first heat storage 3
Connect;Second burner 7 is connected with second heat storage 8;First burner 4 and second burner 7 are connected to
Oil and gas switch 5.
According to an embodiment of the invention, heat-insulation layer 9 of the invention is when multiple heat storages are arranged in series, the heat-insulation layer 9
It is wrapped in outside the interface channel between two adjacent heat storages.
According to Fig. 2 is the structural representation of heat storage of the present invention, and the heat storage is multi-level phase change heat storage.Institute
Stating heat storage includes multiple thermal storage units, and the thermal storage unit includes high-temperature heat accumulation unit 11, medium temperature regenerator unit 12, Low Temperature Storage
Hot cell 13.The multiple thermal storage unit is arranged in same heat storage according to flow of flue gas direction.The high-temperature heat accumulation unit
11 are equipped with high temperature phase change material (pcm), and the medium temperature regenerator unit 12 is equipped with medium temperature phase-change material, and the low-temperature heat accumulating unit 13 is equipped with
Low-temperature phase-change material, the high-temperature heat accumulation unit 11, medium temperature regenerator unit 12 and low-temperature heat accumulating unit 13 are in the heat storage
In be arranged in order from top to bottom according to along flow of flue gas direction, temperature sequence.Both sides are provided with more inside the heat storage
Individual spoiler.Isolation orifice plate 14 is provided with the outside of the thermal storage unit, the isolation orifice plate 14 and the thermal storage unit are detachable
Formula connects.The corresponding connection in duct on the adjacent isolation orifice plate.Each row phase-change material is staggered to improve accumulation of heat
The heat transfer effect of body.Heat transfer effect is improved in both sides added with spoiler inside each thermal storage unit simultaneously.
The structural representation of multiple heat storage series connection of the invention according to Fig. 3, multiple thermal storage units are separately mounted to
In multiple heat storages, multiple heat storages are arranged in series.The heat storage number is three, and guarantor is provided between adjacent heat storage
Warm layer 9, the connecting pipe where the heat-insulation layer 9 are wrapped up using insulation material.The insulation material is asbestos.Purpose is to reduce
The radiating of regenerative heat exchange unit, to ensure heat utilization efficiency.High-temperature heat accumulation unit 11, medium temperature in modular multistage phase-transition heat-storage body
Thermal storage unit 12, the ratio of the volume of low-temperature heat accumulating unit 13 are preferably 1:2:3.Phase-change material is issued higher than phase transition temperature environment
Raw phase transformation, so as to largely absorb the heat of high-temperature gas, the combination arrangement of high, medium and low temperature is the heat exchange efficiency for carrying high-temperature flue gas,
Middle low-temperature phase-change material can timely and effectively absorb gas heat, control heat storage flue gas exit temperature.
The front view of isolation orifice plate of the invention according to Fig. 4, multiple holes are provided with the isolation orifice plate 14.
And isolate the top view of orifice plate in the present invention shown in Fig. 5, the hole between adjacent lines is staggered.
It is an object of the invention to propose a kind of modular multistage phase-change heat-storage high-temperature air burning energy saver, the dress
Fume afterheat can effectively be utilized by putting, and improve the stability of burner flame.The heat-exchanger rig is simple in construction simultaneously, easily transformation,
Related phase-change material can be changed according to different operating modes.Due to phase-change material just have storage density is big, phase transition temperature is constant,
The advantages that phase transformation Volume Changes are small so that the heat-accumulating burner solves the air temperature variations of gas commutation frequently, after preheating
Scope greatly caused burner flame combustion instability the problem of.Modularized design is carried out to regenerator simultaneously, facilitates different operating modes
Changed during the different phase-change material demands of lower use.
A kind of running of modular multistage phase-change heat-storage high-temperature air burning energy saver of the present invention is:Normal temperature
Air enters 2 reversal valves by gas feed 1, and now, the reversal valve 2 is commutated by solid line in Fig. 1.Enter right side afterwards
Multistage first heat storage 3, now being stored in the latent heat storage material of multistage first heat storage 3 has heat, and gas at normal temperature is more by this
It is heated after the first heat storage 3 of level and enters the first burner 5.Now, the oil and gas switch 5 positioned at right side is open-minded, the oil positioned at left side
Gas import 5 is closed, and fuel oil or combustion gas are then entered in the first burner 4 of right side by right side oil and gas switch 5, are mixed with heated gas
Merging is burnt in combustion chamber 6.Gas after burning is then entered in multistage second heat storage 8 in left side by the second burner of left side 7.
Now, fume afterheat is stored in multistage second heat storage 8 in left side.Tail gas after being cooled goes out from multistage second heat storage 8
Enter after coming in reversal valve 2, discharged through offgas outlet 10.
Until in the first heat storage 3 of multistage of right side after the heat release of latent heat heat accumulating, the reversal valve 2 is then such as
Commutated in Fig. 1 shown in dotted line, now, normal temperature air is entered in reversal valve 2 by gas feed 1, more into left side afterwards
In the second heat storage 8 of level, now second heat storage of multistage 8 has stored heat, and normal temperature air then stores in the multistage second
Hot body 8 enters in the second burner of left side 7 after being preheated.Now, left side oil and gas switch 5 is open-minded, and fuel oil or combustion gas then pass through left side
Oil and gas switch 5 enters in the second burner 7 of left side, mixes with heated gas and is burnt in combustion chamber 6.Gas after burning
Then entered by the first burner of right side 4 in multistage first heat storage 3 in right side.Now, fume afterheat is stored in right side multistage the
In one heat storage 3, the tail gas after being cooled enters in reversal valve 2 after being come out from multistage first heat storage 3, through the row of offgas outlet 10
Go out.Reciprocation cycle uses as stated above.
According to an embodiment of the invention, by controlling the oil and gas switch 5 of the left and right sides, correspondingly heat storage can be controlled
Working condition.The first heretofore described heat storage 3 and the second heat storage 8 can also preheat to multiple combustion chambers 6.
High temperature phase change material (pcm) in the present invention is the sizing solid-liquid phase-change material that phase transition temperature is 600-900 DEG C.Such as:
61Na2SO4- 39MgO, phase transition temperature are 884 DEG C;62Na2SO4-38SiO2, phase transition temperature is 858 DEG C;54LiF-46MgO, phase transformation
Temperature is 849 DEG C;24Na2CO3-26BaCO3- 50MgO, phase transition temperature are 686 DEG C;54MgCl2-48SiO2, phase transition temperature 714
℃;45NaF-15MgF-40MgO, phase transition temperature are 832 DEG C;40LiF-20MgF2- 40MgO, phase transition temperature are 746 DEG C.
Medium temperature phase-change material in the present invention is the sizing solid-liquid phase-change material of 300-600 DEG C of phase transition temperature.Such as:
53Li2SO4- 47MgO, phase transition temperature are 577 DEG C;63KOH-37SiO2, phase transition temperature is 400 DEG C;33.6Na2CO3-
26.4Li2CO3- 40MgO, phase transition temperature are 496 DEG C;33MgCl2- 12.24KCl-11.76NaCl-40MgO, phase transition temperature are
380℃;18.15NaCl-13.2KCl-23.65LiCl-45MgO, phase transition temperature are 346 DEG C;24.44BaCl2-13.2KCl-
15.95CaCl2- 48MgO, phase transition temperature are 551 DEG C;MgCl2- NaCl, phase transition temperature are 435 DEG C.
Low-temperature phase-change material in the present invention is the sizing solid-liquid phase-change material of 100-300 DEG C of phase transition temperature.Such as:
41.8KCl-19.2ZnCl2- 40MgO, phase transition temperature are 235 DEG C;29NaNO3-29KNO3- 42MgO, phase transition temperature are 220 DEG C;
40LiNO3-60 diatomite, phase transition temperature are 250 DEG C;55ZnCl-45MgO, phase transition temperature are 280 DEG C;52AlCl3- 48MgO,
Phase transition temperature is 190 DEG C.
Because sizing phase-change material makes simply, its size can be made according to actual conditions.
Hereinafter, the behaviour in service of corresponding phase-change material under different reaction temperatures will be illustrated by two embodiments.
Embodiment one
1. high-temperature shaping phase-change material is 24Na used by the present embodiment2CO3-26BaCO3- 50MgO, medium temperature sizing phase
Change material is 33.6Na2CO3-26.4Li2CO3- 40MgO, low-temperature shaped phase-change material are 29NaNO3-29KNO3-42MgO。
2. combustion gas (methane) and air are entered into the first burner 4 by the first heat storage 3 and burnt in combustion chamber 6.
3. the tail gas after burning enters the second heat storage 8, waste heat is stored into the phase of the second heat storage 8 with heat accumulating heat exchange
Become in material.
4. when the exhaust temperature come out from the second heat storage 8 is higher than 200 DEG C, changes reversal valve 2, open simultaneously
Second burner 7;Now the phase-change material in normal temperature air and the second heat storage 8 carries out heat exchange heating, with combustion gas (first
Alkane) burnt in combustion chamber 6;5. the tail gas after burning enters the first heat storage 3 is stored into the first accumulation of heat with heat accumulating heat exchange
In the phase-change material of body 3.
6. when the exhaust temperature come out from the first heat storage 3 is higher than 200 DEG C, change reversal valve 2.
Reciprocating operation as stated above.
Embodiment two
1. high-temperature shaping phase-change material is 45NaF-15MgF-40MgO used by the present embodiment, medium temperature sizing phase transformation material
Expect for 33MgCl2- 12.24KCl-11.76NaCl-40MgO, low-temperature shaped phase-change material are 52AlCl3-48MgO。
2. combustion gas (methane) and air are entered into the first burner 4 by the first heat storage 3 and burnt in combustion chamber 6.
3. the tail gas after burning enters the second heat storage 8, waste heat is stored into the phase of the second heat storage 8 with heat accumulating heat exchange
Become in material.
4. when the exhaust temperature come out from the second heat storage 8 is higher than 150 DEG C, change reversal valve 2, while open second and burn
Mouth 7;Now the phase-change material in normal temperature air and the second heat storage 8 carries out heat exchange heating, with combustion gas (methane) in combustion chamber 6
Burning;
5. the tail gas after burning enters the phase transformation material that the first heat storage 3 is stored into the first heat storage 3 with heat accumulating heat exchange
In material.
6. when the exhaust temperature come out from the first heat storage 3 is higher than 150 DEG C, change reversal valve 2.
Reciprocating operation as stated above.
The embodiment one and embodiment two provided in the present invention, employs different phase-change materials and carries out heat exchange accumulation of heat, enter
And reflect for different waste heat supply temperatures, it is necessary to which applying working condition could be met using different phase-change materials.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally;Can be that machinery connects
Connect or electrically connect;Can be joined directly together, can also be indirectly connected by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature
It is that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be any
Combined in an appropriate manner in individual or multiple embodiments or example.In addition, in the case of not conflicting, the technology of this area
Different embodiments or example and the feature of different embodiments or example described in this specification can be combined by personnel
And combination.
Claims (10)
1. a kind of multi-level phase change heat storing type energy-saving device, it is characterised in that described device includes:
Reversal valve, the reversal valve connect air intlet and offgas outlet respectively;
Multiple heat storages, the heat storage are connected with the reversal valve, by caused flue gas accumulation of heat in combustion chamber, and to through institute
The gas for stating air intlet entrance is heated;
Reversal valve any switching laws between the air intlet and the offgas outlet, make air intlet connected with heat storage or
Person's offgas outlet connects with heat storage;
Burner, the burner are connected with the heat storage;
Fuel inlet, the fuel inlet connect the burner;
Combustion chamber, the combustion chamber are connected with the burner.
2. multi-level phase change heat storing type energy-saving device according to claim 1, it is characterised in that the heat storage includes first
Heat storage and the second heat storage,
First heat storage is connected by the reversal valve with the air intlet or the offgas outlet;
Second heat storage is connected by the reversal valve with the offgas outlet or the air intlet.
3. multi-level phase change heat storing type energy-saving device according to claim 1 or 2, it is characterised in that the burner includes the
One burner and the second burner,
First burner is connected with first heat storage;
Second burner is connected with second heat storage;
First burner and second burner are connected to oil and gas switch.
4. multi-level phase change heat storing type energy-saving device according to claim 2, it is characterised in that first heat storage and institute
Stating the second heat storage includes multiple thermal storage units,
The thermal storage unit includes high-temperature heat accumulation unit, medium temperature regenerator unit and low-temperature heat accumulating unit.
5. multi-level phase change heat storing type energy-saving device according to claim 4, it is characterised in that multiple thermal storage units are pacified respectively
In multiple heat storages, multiple heat storages are arranged in series, or multiple thermal storage units according to flow of flue gas direction be arranged on it is same
In individual heat storage, the heat storage forms multi-level phase change heat storage.
6. the multi-level phase change heat storing type energy-saving device according to claim 4 or 5, it is characterised in that
The high-temperature heat accumulation unit is equipped with high temperature phase change material (pcm),
The medium temperature regenerator unit is equipped with medium temperature phase-change material,
The low-temperature heat accumulating unit is equipped with low-temperature phase-change material,
The high-temperature heat accumulation unit, medium temperature regenerator unit and low-temperature heat accumulating unit according to along flow of flue gas direction, temperature height
Order is arranged in order.
7. multi-level phase change heat storing type energy-saving device according to claim 5, it is characterised in that both sides inside the heat storage
Multiple spoilers are installed.
8. multi-level phase change heat storing type energy-saving device according to claim 5, it is characterised in that multiple thermal storage units are according to flue gas
Flow direction is arranged in same heat storage, and isolation orifice plate, the isolation orifice plate and institute are provided between the thermal storage unit
State thermal storage unit detachable connection.
9. multi-level phase change heat storing type energy-saving device according to claim 8, it is characterised in that the adjacent isolation orifice plate
On duct corresponding connect.
10. multi-level phase change heat storing type energy-saving device according to claim 4, it is characterised in that multiple also including heat-insulation layer
Thermal storage unit is separately mounted in multiple heat storages, and when multiple heat storages are arranged in series, the heat-insulation layer is wrapped in adjacent two
Outside interface channel between individual heat storage;
Connecting pipe where the heat-insulation layer is wrapped up using insulation material,
The insulation material is asbestos.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108930976A (en) * | 2018-09-19 | 2018-12-04 | 北京博大园科技有限公司 | A kind of hanging basket regenerative air preheater |
CN109588015A (en) * | 2018-12-21 | 2019-04-05 | 中国航空工业集团公司西安航空计算技术研究所 | A kind of distribution heat reservoir |
CN110081753A (en) * | 2019-05-30 | 2019-08-02 | 中国科学院上海应用物理研究所 | A kind of high temperature step phase transition heat accumulation unit and heat accumulation method |
-
2017
- 2017-10-13 CN CN201710954024.4A patent/CN107559812A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108930976A (en) * | 2018-09-19 | 2018-12-04 | 北京博大园科技有限公司 | A kind of hanging basket regenerative air preheater |
CN109588015A (en) * | 2018-12-21 | 2019-04-05 | 中国航空工业集团公司西安航空计算技术研究所 | A kind of distribution heat reservoir |
CN109588015B (en) * | 2018-12-21 | 2020-12-29 | 中国航空工业集团公司西安航空计算技术研究所 | Distributed heat storage system |
CN110081753A (en) * | 2019-05-30 | 2019-08-02 | 中国科学院上海应用物理研究所 | A kind of high temperature step phase transition heat accumulation unit and heat accumulation method |
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