CN106152233A - A kind of multifunctional steam based on heat accumulation/air heating method and apparatus - Google Patents
A kind of multifunctional steam based on heat accumulation/air heating method and apparatus Download PDFInfo
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Abstract
The invention provides a kind of multifunctional steam based on heat accumulation/air heating method and apparatus, integrate heat production, heat accumulation and heat supply.The storing heat such as available trough-electricity, regenerative resource and intermittent industrial exhaust heat；During needs heat, air is sent into, obtains middle high-temperature hot-air by heat exchange, completely or partially as product, and available hot-blast outlet mixer selector valve regulation ventilation temperature；Middle high-temperature hot-air also can produce saturated or superheated steam as product with heat exchanger heat exchange；Low temperature hot blast reusable edible after cooling or as hot blast output of products；The present invention can solve middle-size and small-size fossil-fuel boiler hot blast or steam supply system exists the problems such as high pollution, energy consumption is big, operational flexibility is poor, operating cost is high, realizes heat energy recycling, reach energy-saving and emission-reduction purpose while meeting hot blast and steam supply；In addition the utilization of heat-storage technology makes the present invention effectively utilize intermittent industrial exhaust heat and regenerative resource, it is achieved electric power and Heating Adjustment, suitable large-scale promotion uses.
Description
Technical field
The present invention relates to energy-conservation, energy storage, electric power and the technical field such as heating power peak regulation and Thermal Power Engineering, be the heat production of a kind of collection, heat accumulation,
Heat supply, in a kind of based on heat accumulation the multifunctional steam/air heating method and apparatus of one, can be applicable to chemical industry, dry, food
Processing, laundry, waste heat recovery, renewable energy utilization, heating and the field such as electric power and Heating Adjustment.
Background technology
Heat has irreplaceable effect for daily life and commercial production, in heating, dry, food processing and Chemical Manufacture
It is widely used in field, mainly includes the various ways such as hot water heating, air heating, steam heating and electricity heat supply.Hot blast and steaming
Vapour heat supply is important way therein.
Air heating is directly to the mode needing hot body to heat by the hot-air heated through heat exchanger.This mode of heating by
In using forced convertion, heat production speed is higher.Patent CN201210470596 discloses a kind of curing oven energy-saving hot-blast system,
Utilize discarded thermal source that via kiln and air exhauster, used heat is sent to circulating line, by controlling the air exhauster of hot blast, air-introduced machine
And the temperature in curing oven is adjusted by circulating fan, it is ensured that the state of cure that printed line is suitable for；Patent CN201210520821
Provide a kind of full-automatic pure hot-air system of biomass energy and using method thereof, utilize reproducible biomass energy, by biology
Upright combustion and biomass gasification technology, produce pure hot blast after heat exchange of heat pipe and cyclone separator, have environmental protection,
The advantage that hot blast feeding ability is strong；Patent CN201220306989 discloses a kind of adjustable hot-air system of temperature, and hot blast is through combustion
Burning machine enters dedusting in filter air compartment, makes hot and cold air mix to guarantee the output of hot blast in certain proportion by control system
Temperature.
Steam heating is that the form utilizing steam carries heat from thermal source, delivers to required place through heat supply network, according to steam supply pressure
Difference can be divided into low pressure, middle pressure and high pressure steam system.The steam that vapour system provides, especially superheated steam, have
Extensive application.Patent CN201310725230 discloses a kind of superheated steam drying device and method, and its feature is fluid bed
The superheated steam that drying machine is discharged is divided into two-way by after cyclone dust removal, returns fluid bed drying after circulating fan of leading up to pressurization
Machine, separately leading up to scrubber enters vapour compression machine send into internal heater, it is achieved that the inner loop of superheated steam utilizes；
Patent CN201310706064.9 has invented a kind of high-efficiency steam heat supply and residual neat recovering system, by thermophore, vapour system and cold
Condensate system organically combines so that boiler heat achieves cascade utilization；Patent CN201320863998 provides a kind of steam
Residual neat recovering system, utilizes water circulating pump, and being delivered in heating equipment by condensed water higher for temperature in water tank is on-the-spot heating,
The condensed water cooled down is transmitted back in water tank, and water tank outlet switch is controlled by switch valve, it is achieved that energy
The reasonable distribution of source resource utilizes.
Owing to hot blast or the steam supply system of current middle-size and small-size fossil-fuel boiler, particularly coal-burning boiler exist high pollution, energy
The problems such as consumption is big, operational flexibility is poor, operating cost is higher, it has also become the crime of the particularly serious haze weather of environmental problem now
One of chief chief culprit, for problems, the existing clear stipulaties of country, it is desirable to close down small scall coal-fired boiler and small-sized fired power generating unit.
Additionally, the peak regulation pressure of China's electrical network increasingly sharpens, it is badly in need of development and effectively utilizes the technology of trough-electricity.Meanwhile, in recent years can be again
Raw energy development is rapid, particularly wind-powered electricity generation and solar electrical energy generation, but it is the highest with the ratio abandoning light to abandon wind, there is very billow
Take.If able to improve the utilization rate of the regenerative resource such as wind energy, solar energy, then the making of the Fossil fuels such as coal can be greatly decreased
Consumption, reduces the pollution to environment, and more preferable condition is created in the existence for the mankind.Therefore exploitation novel low-cost, low dirt it are badly in need of
Dye, the technology that energy utilization rate is high substitute steam/heat wind generation system based on small scall coal-fired boiler etc., it is possible to being used for can be again
The raw energy and the efficient utilization of industrial process waste heat.
Summary of the invention
Present invention aims to above-mentioned problem, it is provided that can efficiently utilize a kind of based on heat accumulation the multifunctional steam of trough-electricity
Vapour/air heating method and apparatus, to solve high pollution and the problem of operational flexibility difference of current middle-size and small-size fossil-fuel boiler,
And can be used for the efficient utilization of regenerative resource and industrial process waste heat.
For reaching this purpose, the present invention provides a kind of multifunctional steam based on heat accumulation/air heating method and apparatus, and it includes hot blast
Generating unit, steam generating unit and loop control unit；
Described hot blast generating unit includes circulating fan, air compartment and heat accumulation room；Described circulating fan and air compartment are respectively used to air
Carry and all press distribution；Described heat accumulation room includes heat-insulation layer, air distribution plate, grain bed, electrical heating elements, heat storage brick, temperature pressure
Force controller and particle separator；Described air distribution plate is positioned at grain bed bottom, provides even fluidizing air for grain bed fluidisation；Institute
Stating grain bed and be positioned at bottom, heat accumulation room, effect is when grain bed fluidizes, the heat accumulation that strengthening air-particle two phase flow is indoor with heat accumulation
Brick conducts heat；Described electrical heating elements and heat storage brick are positioned in the middle part of heat accumulation room, produce merit for the storage function and hot blast realizing heat
Can (for industrial exhaust heat utilize, heating function can)；Described temperature, pressure controller and particle separator are positioned at storage
Top, hot cell, wherein temperature, pressure controller and electrical heating elements, circulating fan circuit and be distributed in temperature everywhere, pressure
It is connected with flow transducer, can control and regulate hot blast temperature when the indoor heat accumulation speed of heat accumulation produces with temperature and hot blast, pressure
Power and flow；Described particle separator uses cyclone dust removal principle, including hot-wind inlet, hot-blast outlet and particle outlet, is used for
Containing the isolation of purified of the hot blast of band granule, the hot blast obtained at hot-blast outlet can be divided into two strands, one through two-port valve as middle height
Warm wind output of products, and can be by outlet mixer selector valve regulation ventilation temperature, another stock-traders' know-how inflow-rate of water turbine controller enters Heat Room and adds
Hot water produces steam；Described heat-insulation layer covers at heat accumulation room and Heat Room inwall, for the thermal insulation with the external world, to reduce thermal losses；
Described steam generating unit includes heat exchanger tube, oxygen-eliminating device, water pump and drum；Described heat exchanger tube is positioned at inside Heat Room, point
For upper, middle, and lower part, with top-down hot air heat exchange, the heat exchanger tube of bottom is alternatively referred to as water preheater, for inciting somebody to action
The deaerated water entering drum preheats, and the heat exchanger tube at middle part is also referred to as vaporizer, for being vaporized by the circulating hot water in drum
Becoming saturated vapor (saturated vapor also can be as output of products), the heat exchanger tube on top is also referred to as superheater, for being added by saturated vapor
Heat becomes high pressure superheated steam, and high pressure superheated steam passes through two-port valve as output of products；Described oxygen-eliminating device and water pump are respectively used to
The deoxygenation of demineralized water and the offer of conveying power；Described drum include drum body, temperature and pressure detecting and control device and
Safety device, for carrying out Natural Circulation by rise and fall pipe and middle part heat exchanger tube (vaporizer), and to the saturated steaming produced
Vapour carries out steam-water separation, and it is overheated that the dry steam obtained is re-fed into top heat exchanger tube (superheater)；
Described loop control unit includes Heat Room, gravity settling chamber and valve；Described Heat Room includes flow controller, tangential
Entrance, filtration blast cap and return airway, described flow controller is positioned at the top of Heat Room, and is used for controlling together with two-port valve
High-temperature product hot blast and the ratio of production steam hot blast in the flow of hot blast and flow velocity, and regulation and control；Described tangential inlet is positioned at and changes
The top in hot cell, its function is to make hot blast enter Heat Room with tangential direction to form eddy flow, strengthens and produces changing of heat exchanger tube with steam
Heat, and promote a small amount of granule that may carry in hot blast to be segregated into gravity settling chamber from gas；Described filtration blast cap and backflow
Air channel is positioned at bottom Heat Room, and wherein filtration blast cap is on entrance top, return airway, for stopping that in hot blast, the granule of residual enters
Return airway, and granule is drained to gravity settling chamber, the pure hot blast after heat exchange is entered circulation by three-way valve by return airway
Blower fan realizes the circulation of heat contained by air-flow and air-flow, and this part hot blast can be as low temperature hot blast product by supplying outside three-way valve；
Described gravity settling chamber contains check valve and ramped aisle, and the granule for remaining in hot blast reclaims and enters grain bed；Described valve
Door includes that three-way valve, two-port valve, check valve and mixer selector valve, described three-way valve are positioned at air intake, and the hot blast after heat exchange follows
The pathogenic wind-warm regulation and control of ring utilization, low temperature hot blast product-feed and entrance circulating fan；Described two-port valve is positioned at Heat Room and overheated steaming
The exit of vapour, the output for hot blast and steam product supplies and controls；It is indoor that described check valve is positioned at gravitational settling, is used for containing
Having the one-way flow of the hot blast of residual particles, granule one-way flow here also can purge by being momentarily closed three-way valve；Institute
State after mixer selector valve is positioned at hot-blast outlet two-port valve, for institute's hot wind supply is carried out temperature regulation.
Preferably, the shape of described heat storage brick can be spherical, square or cuboid, honeycomb type, other abnormally-structured module
Or the combination between them, its material can be the researching of sensible heat storage material of organic or inorganic, latent heat (phase transformation) heat accumulating, answer
Closing structure heat accumulating or the combination between them, the use temperature range of heat storage brick material is 0-850 DEG C.
Preferably, the granular materials of described grain bed can be sand, aluminium oxide, glass, pottery, heat-resistant polymer etc.,
Grain shape can be spherical or aspherical.
Preferably, the material of described electrical heating elements is high temperature corrosion-resisting alloy or refractory ceramics.
Preferably, described heat-insulation layer can be single or multiple lift, and its material is low thermal conductivity material, including foam plastics, charcoal
Change cork, Vermiculitum, foam glass, ceramic fibre, light thermal-insulation cotton, microporous calcium silicate, perlite and glass cotton etc..
Preferably, high-temperature centrifugal fan during described circulating fan is low-power consumption.
The invention have the benefit that the resources such as available trough-electricity, regenerative resource and intermittent industrial exhaust heat are indoor by heat accumulation
Heat storage brick be heated to more than design storage temperature, and effectively utilize and use the sensible heat in temperature range and latent heat heat accumulation；At needs
When using heat, particularly peak of power consumption, air is sent into grain bed, is made grain bed fluidisation and porous by low-power consumption circulating fan
Heat storage brick bed carries out heat exchange and obtains middle high-temperature hot-air, and granule returns fluidized-bed layer, all or part of hot blast by cyclone dust removal
As output of products, and can regulate ventilation temperature by hot-blast outlet mixer selector valve；Middle high-temperature hot-air also can pass through stagewise tubular type
Heat exchanger adds hot water, makes water vapor, and obtains saturated vapor by the water separator in drum, and saturated vapor can enter one
It is overheated to walk, and obtains the high pressure superheated steam being dried, and saturated vapor and superheated steam here all can be as output of products；Through steaming
The significantly reduced hot blast of temperature after vapour production, the granule that may carry on a small quantity by entering gravity settling chamber to remove, through return airway
Fluid bed is entered, it is achieved wind and the recycling of heat, this part hot blast also can be as low temperature hot blast output of products with circulating fan；
The present invention can solve to be currently based on the hot blast of the fossil-fuel boilers such as middle-size and small-size fire coal or the high pollution of steam supply system existence, energy
The problems such as consumption is big, operational flexibility is poor, operating cost is higher, can realize heat while meeting hot blast and steam multi-functional supply
Can recycle, improve heat utilization rate, reach the purpose of energy-saving and emission-reduction, meanwhile, the utilization of heat-storage technology makes the present invention
Effectively utilizing regenerative resource and intermittence industrial exhaust heat, it is achieved electric power and Heating Adjustment, suitable large-scale promotion uses.
Accompanying drawing explanation
Fig. 1 is a kind of based on heat accumulation the multifunctional steam/air heating method and apparatus provided for the specific embodiment of the invention
Structural representation.
In figure:
1, three-way valve；2, circulating fan；3, air compartment；4, heat accumulation room；5, Heat Room；6a, 6b, 6c, heat exchanger tube；7, oxygen-eliminating device；
8, water pump；9, drum；10,21, two-port valve；11, heat-insulation layer；12, air distribution plate；13, grain bed；14, electrical heating
Element；15, heat storage brick, 16, temperature, pressure controller；17, particle separator；18, hot-wind inlet；19, hot-blast outlet；
20, particle outlet；22, flow controller；23, tangential inlet；24, blast cap is filtered；25, return airway；26, gravity
Expansion chamber；27, check valve；28, mixer selector valve
Detailed description of the invention
Fig. 1 is the knot of a kind of based on heat accumulation multifunctional steam/air heating method and apparatus that the specific embodiment of the invention provides
Structure schematic diagram, further illustrates technical scheme below in conjunction with the accompanying drawings and by detailed description of the invention.
As a example by trough-electricity utilizes, the detailed description of the invention of the present invention is: during night at a low price paddy electricity, as be not required to supply hot blast and
Steam, can individually open electrical heating elements (14) and heat storage brick (15) is filled heat, when needs supply hot blast or steam,
ON cycle blower fan (2) introduces air into heat accumulation room (4), electrical heating elements (14) heat, and by grain bed (13)
Augmentation of heat transfer, fills heat simultaneously, and the high-temperature hot-air after heating purifies via particle separator (17) heat storage brick (15)
Shunting in rear entrance Heat Room (5), a part (or whole) is by two-port valve (21) for for thermal output, and supplied high temperature is empty
The temperature of gas can be passed through mixer selector valve (28) and be adjusted, another part (or all) be used for heating heat exchanger tube (6a/6b/6c) and
Return airway (25) and gravity settling chamber (26) is utilized to realize recycling of hot blast and granule；Demineralized water enters oxygen-eliminating device (7)
After deoxygenation, water pump (8) pressurized delivered to bottom heat exchanger tube (water preheater) (6c) heating, the hot water after heating sends into vapour
Bag (9), drum is connected with middle part heat exchanger tube (vaporizer) (6b) by tedge and down-comer, is produced by Natural Circulation
The saturated vapor of certain pressure, the saturated vapor of generation after steam-water separation, sends into top heat exchanger tube (superheater) (6a) in drum
After overheated, carry out output supply by two-port valve (10)；During daytime is for high price peak electricity, close electrical heating elements (14),
When only needing to supply hot blast, flow controller (22) is set to zero by ON cycle blower fan (2), two-port valve (21), three-way valve
(1) opening air intake, close circulating air entrance, the heat utilizing heat storage brick (15) to store produces hot blast for exporting confession
Give, and mixer selector valve (28) regulation institute hot wind supply temperature can be passed through；When only needing steam, ON cycle blower fan (2), water pump
(8), two-port valve (10), check valve (27) and flow controller (22), three-way valve (1) is closed air intake, is opened
Opening circulating air entrance, close two-port valve (21), be passed through demineralized water, the heat utilizing heat storage brick (15) to store produces high pressure
Superheated steam is used for exporting supply；When simultaneously need to when hot blast and steam, ON cycle blower fan (2), water pump (8), two-way
Valve (10), two-port valve (21), check valve (27) and flow controller (22), three-way valve (1) is opened air simultaneously and is entered
Mouth and circulating air entrance, be passed through demineralized water, and the heat utilizing heat storage brick (15) to store produces hot blast simultaneously and high pressure superheater steams
Vapour is used for exporting supply, and carries out heat distribution by controlling flow controller (22).
Day by day serious due to environmental pollution, starts had many cities to implement " coal changes electricity " engineering from Beijing, heat-supplying mode by
Gradually being transitioned into electricity heat supply from traditional coal heat supply, this just proposes bigger challenge to how reducing electric cost.With electric food warmer
Stove supply steam is embodiment, uses a kind of multifunctional steam based on heat accumulation of the present invention/air heating method and apparatus even
The continuous superheated steam (0.5MPa (absolute pressure, as follows), 200 DEG C) that 1000kg is provided.Look into steam table and can obtain 0.5MPa,
The enthalpy of the superheated steam of 200 DEG C is 2855.90kJ/kg, supplied temperature be the enthalpy of the demineralized water of 20 DEG C be 83.92kJ/kg.
Assuming that the heat loss of system is 3%, can be used for the heat supply of 16h after heat storage brick heat accumulation 8h, these data can be calculated, profit
When superheated steam (0.5MPa, 200 DEG C) of 1 000kg is provided continuously by assembly of the invention, need to consume about 793.8 degree
Electricity, according to Jiangsu Province " Soviet Union valency work [2011] 358 " literary composition regulation, preferential treatment the most industrial, non-, 1-10 kilovolt electricity rates are: peak
1.112 yuan/kilowatt hour, flat 0.667 yuan/kilowatt hour of section, 0.322 yuan/kilowatt hour of low ebb, according to utilizing 8 hours trough-electricity heat accumulations,
For 8 hours flat sections and 8 hour peak period, average computation can obtain, if using boilers heated electrically supply steam, often degree electricity can
Save 0.5675 yuan, then 793.8 degree of electricity can save about 450.5 yuan.
The present invention is described by embodiment, and those skilled in the art know, without departing from the spirit and scope of the present invention
In the case of, these features and embodiment can be carried out various change or equivalence is replaced.It addition, under the guidance of the present invention,
These features and embodiment can modify to adapt to particular situation and material without departing from the spirit and scope of the present invention.
Therefore, the present invention is not limited to the particular embodiment disclosed, the embodiment in fallen with claims hereof
Broadly fall into the scope of protection of the invention.
Claims (8)
1. multifunctional steam based on heat accumulation/air heating method and apparatus, including hot blast generating unit, steam generating unit
With loop control unit, it is characterised in that: described hot blast generating unit includes circulating fan (2), air compartment (3) and heat accumulation room (4)；
Described circulating fan (2) and air compartment (3) are respectively used to the conveying of air and all press distribution；Described heat accumulation room (4) includes insulation
Layer (11), air distribution plate (12), grain bed (13), electrical heating elements (14), heat storage brick (15), temperature, pressure controller (16)
With particle separator (17), described air distribution plate (12) is positioned at grain bed (13) bottom, provides even fluidizing for grain bed fluidisation
Air, described grain bed (13) is positioned at heat accumulation room (4) bottom, and effect is when grain bed (13) fluidizes, strengthening air-
Granule two phase flow and heat storage brick (15) heat transfer in heat accumulation room (4)；Described electrical heating elements (14) and heat storage brick (15) position
In heat accumulation room (4) middle part, produce function for the storage function and hot blast realizing heat；Described temperature, pressure controller (16)
It is positioned at heat accumulation room (4) top, wherein temperature, pressure controller (16) and electrical heating elements (14) with particle separator (17)
And circulating fan (2) circuit and be distributed in temperature everywhere, pressure is connected with flow transducer, can control and regulate heat accumulation room
(4) the storage heat release rate in and temperature, and hot blast temperature, pressure and flow when hot blast produces；Described particle separator (17)
Use cyclone dust removal principle, including hot-wind inlet (18), hot-blast outlet (19) and particle outlet (20), for containing band granule
The earning of separation of hot blast, the hot blast obtained at hot-blast outlet (19) can be divided into two strands, and one is in two-port valve (21) conduct
High-temperature hot-air output of products, can be by outlet mixer selector valve (28) regulation ventilation temperature, another stock-traders' know-how inflow-rate of water turbine controller (22)
Enter Heat Room (5) heating water and produce steam: described heat-insulation layer (11) covers at heat accumulation room (4) and Heat Room (5) inwall,
For the thermal insulation with the external world, to reduce thermal losses；
Described steam generating unit includes heat exchanger tube (6a/6b/6c), oxygen-eliminating device (7), water pump (8) and drum (9)；Described change
It is internal that heat pipe (6a/6b/6c) is positioned at Heat Room (5), is divided into upper, middle, and lower part, and top-down hot air heat exchange,
The heat exchanger tube (6c) of bottom is alternatively referred to as water preheater, for preheating by the deaerated water entering drum (9), and middle part
Heat exchanger tube (6b) be also referred to as vaporizer, for the circulating hot water in drum (9) is vaporized into saturated vapor (saturated vapor
Also can be as output of products), the heat exchanger tube (6a) on top is also referred to as superheater, steams for saturated vapor is heated as high pressure superheater
Vapour, high pressure superheated steam passes through two-port valve (10) as output of products；Described oxygen-eliminating device (7) and water pump (8) are respectively used to
The deoxygenation of demineralized water and the offer of conveying power；Described drum (9) includes the detection of drum body, temperature and pressure and controls device
And safety device, for carrying out Natural Circulation by rise and fall pipe and middle part heat exchanger tube (vaporizer) (6b), and to being produced
Raw saturated vapor carries out steam-water separation, and it is overheated that the dry steam obtained is re-fed into top heat exchanger tube (superheater) (6a)；
Described loop control unit includes Heat Room (5), gravity settling chamber (26) and valve (27)；Described Heat Room (5)
Including flow controller (22), tangential inlet (23), filter blast cap (24) and return airway (25), described flow controller
(22) top of Heat Room (5) it is positioned at, and for controlling flow and the flow velocity of hot blast together with two-port valve (21), and regulate and control
Middle high-temperature product hot blast and the ratio of production steam hot blast；Described tangential inlet (23) is positioned at the top of Heat Room (5), its
Function is to make hot blast enter Heat Room (5) with tangential direction to form eddy flow, and strengthening produces the heat exchange of heat exchanger tube with steam, and promotes
The a small amount of granule that may carry in hot blast is segregated into gravity settling chamber (26) from gas；Described filtration blast cap (24) and backflow
Air channel (25) is positioned at Heat Room (5) bottom, wherein filters blast cap (24) on return airway (25) entrance top, is used for hindering
In gear hot blast, the granule of residual enters return airway (25), and granule is drained to gravity settling chamber (26)；Return airway (25)
Pure low temperature hot blast after heat exchange is entered circulating fan (2) by three-way valve (1) and realizes following of heat contained by air-flow and air-flow
Ring, low temperature hot blast here also can be made a product and be exported by three-way valve (1)；Described gravity settling chamber (26) contains check valve (27)
And ramped aisle, enter grain bed (13) for being reclaimed by the granule of residual in low temperature hot blast；Described valve include three-way valve (1),
Two-port valve (10,21), check valve (27) and mixer selector valve (28), described three-way valve (1) is positioned at air intake, for heat exchange
After hot air circulation utilize, low temperature hot blast product-feed and enter circulating fan (2) pathogenic wind-warm regulation and control；Described two-port valve (10,
21) being positioned at Heat Room (5) and the exit of superheated steam, the output for hot blast and steam product supplies and controls；Described unidirectional
Valve (27) is positioned at gravity settling chamber (26), and for the one-way flow of the hot blast containing residual particles, granule here is unidirectional
Flowing can purge by being momentarily closed three-way valve (1)；Described mixer selector valve (28) be positioned at hot-blast outlet two-port valve (21) it
After, for institute's hot wind supply is carried out temperature regulation.
A kind of multifunctional steam based on heat accumulation/air heating method and apparatus the most according to claim 1, it is characterised in that:
The shape of described heat storage brick (15) can be spherical, square or cuboid, honeycomb type, other abnormally-structured module or they
Between combination, its material can be the researching of sensible heat storage material of organic or inorganic, latent heat (phase transformation) heat accumulating, composite construction
Heat accumulating or the combination between them, the use temperature range of heat storage brick (15) material is 0-850 DEG C.
A kind of multifunctional steam based on heat accumulation/air heating method and apparatus the most according to claim 1, it is characterised in that:
Heat storage brick (15) loads and forms porous bed, after grain bed (13) fluidisation, enters porous heat storage brick (15) bed, at it
Middle formation limits space fluidisation, with augmentation of heat transfer.
A kind of multifunctional steam based on heat accumulation/air heating method and apparatus the most according to claim 1, it is characterised in that:
The granular materials of described grain bed (13) can be sand, aluminium oxide, glass, pottery, heat-resistant polymer etc., granulated
Shape can be spherical or aspherical.
A kind of multifunctional steam based on heat accumulation/air heating method and apparatus the most according to claim 1, it is characterised in that:
The material of described electrical heating elements (14) can be high temperature corrosion-resisting alloy or refractory ceramics.
A kind of multifunctional steam based on heat accumulation/air heating method and apparatus the most according to claim 1, it is characterised in that:
Described heat-insulation layer (11) can be single or multiple lift, and its material is low thermal conductivity material, including foam plastics, carbonization cork,
Vermiculitum, foam glass, ceramic fibre, light thermal-insulation cotton, microporous calcium silicate, perlite and glass cotton etc..
A kind of multifunctional steam based on heat accumulation/air heating method and apparatus the most according to claim 1, it is characterised in that:
Described circulating fan (2) is high-temperature centrifugal fan in low-power consumption.
A kind of multifunctional steam based on heat accumulation/air heating method and apparatus the most according to claim 1, it is characterised in that:
System can provide superheated steam, saturated vapor, hot blast, ventilation temperature and steam pressure adjustable.
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| CN111237906A (en) * | 2020-03-06 | 2020-06-05 | 东南大学 | Air purifier and implementation method thereof |
| CN112326725A (en) * | 2020-10-19 | 2021-02-05 | 哈尔滨工业大学 | Novel heat storage and release experiment system capable of realizing multi-mode operation |
| CN112361428A (en) * | 2020-11-02 | 2021-02-12 | 河北建筑工程学院 | Electric heating fluidized bed heat accumulator and heat supply system |
| CN112361429A (en) * | 2020-11-02 | 2021-02-12 | 河北建筑工程学院 | Solid heat storage and supply system of electric heating fluidized bed |
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| CN114383175A (en) * | 2022-02-08 | 2022-04-22 | 汕头恒建热力有限公司 | Heat supply device and method based on load prediction and heat progress consistency |
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| CN111237906A (en) * | 2020-03-06 | 2020-06-05 | 东南大学 | Air purifier and implementation method thereof |
| CN111237906B (en) * | 2020-03-06 | 2021-07-30 | 东南大学 | Air purifier and implementation method thereof |
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| CN113280326A (en) * | 2021-06-21 | 2021-08-20 | 西安热工研究院有限公司 | System for flexibly adjusting reheated steam temperature by adapting to boiler depth peak shaving |
| CN114383175A (en) * | 2022-02-08 | 2022-04-22 | 汕头恒建热力有限公司 | Heat supply device and method based on load prediction and heat progress consistency |
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