CN104964260B - The device of heat in a kind of utilization high-temperature steam trasfer of solids storage bodies - Google Patents
The device of heat in a kind of utilization high-temperature steam trasfer of solids storage bodies Download PDFInfo
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- CN104964260B CN104964260B CN201510382436.6A CN201510382436A CN104964260B CN 104964260 B CN104964260 B CN 104964260B CN 201510382436 A CN201510382436 A CN 201510382436A CN 104964260 B CN104964260 B CN 104964260B
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Abstract
The invention discloses a kind of device of heat in utilization high-temperature steam trasfer of solids storage bodies, inside the heating tube in the water injection high-temperature steam generator in pure water tank, heat exchange is carried out at high operating temperatures, enter saturated steam generator after liquid hydrothermal exchange is entered into high-temperature steam room into high-temperature steam, the liquid water in high-temperature steam and saturated steam generator is sufficiently mixed and for liquid water to be heated to required temperature.When temperature is higher than 100 DEG C, then the saturated vapor of different pressures is produced.The characteristics of device takes full advantage of big water vapor latent heat and steam good fluidity, even if water is vaporized inside thermal store, steam latent heat is become by thermal store internal heat, steam is derived and reheats water.The slow problem of heat transfer velocity is so not only solved, the heat accumulation temperature of thermal store can be greatly improved to 1000 DEG C or so, increase unit volume quantity of heat storage.
Description
Technical field
The present invention relates to electric power energy control field, more particularly to one kind is using heat in high-temperature steam trasfer of solids storage bodies
The device of amount.
Background technology
Electricity is divided into peak electricity, ordinary telegram and paddy electricity according to the time for using.In order to balance power network, peak load shifting, encouragement uses paddy
Electricity, so the price of paddy electricity is more much lower than normal electricity price.At present, stored using solid heat accumulation mode and use the technology of trough-electricity
It is very ripe.The technical process of the technology is that heater strip energization liberated heat is heated into solid heat accumulating such as refractory brick, plus
Hot temperature reaches 400-500 DEG C, by heat storage in solid heat accumulating.Air is sent into solid with blower fan when with heat
In passage between heat accumulating, air imports heat exchanger and is exchanged heat after being heated, and heat is paged out using, cooled
Air is re-fed into being heated in the passage between solid heat accumulating, moves in circles.As can be seen that the technology is with air
Used for be transferred out for the heat in solid heat accumulating by heat-conducting medium, see Fig. 1.
Technological deficiency is there is as heat-conducting medium with air, one is the unit volume quantity of heat storage of thermal store is relatively low.By
Blower fan is needed for power in the circulation of heat-conducting medium hot-air and needs to do the pipeline for sealing, if heat accumulation temperature is too high, hot blast
Temperature is just high, and the normal operation of blower fan will be influenceed when too high.Other hot air duct is all common iron plate, and temperature is too high to be caused
Its intensity declines, deformation, while accelerating its Oxidative demage.So highest heat accumulation temperature can not be too high, can only be in 400---500
℃.Air channel, the idle space inside increase thermal store, so as to the unit bodies for causing thermal store are stored up are reserved in other thermal store
Heat is relatively low.The second is heat transfer velocity is slow.Due to the thermal capacitance very little of air unit volume, and due to blower fan and heat exchanger
Restriction, the circulation rate of hot blast is that unit interval maximum heat conduction amount is restricted, so heat transfer velocity is slower.
The content of the invention
The present invention solves that quantity of heat storage when using air in the prior art for heat-conducting medium is low, heat transfer velocity is slow asks
Inscribe so as to disclose a kind of device of heat in utilization high-temperature steam trasfer of solids storage bodies, concrete scheme is：Including being loaded with
The pure water tank of liquid water, the high-temperature steam generator that liquid water heating is changed into high-temperature steam, heat-storing device and saturated vapor hair
Raw device, the high-temperature steam generator is located at heat-storing device top and is connected with heat-storing device, the pure water tank and high-temperature steam
Generator is connected, and the high-temperature steam generator is connected with saturated steam generator, the saturated steam generator plus
The mouth of a river is connected with pure water tank；The high-temperature steam generator includes high-temperature steam room；
Under working condition：Liquid water importing high-temperature steam generator in pure water tank is entered back into the heat accumulation under the condition of high temperature
Device is heated, and the high-temperature steam of generation enters high-temperature steam room, when the pressure in high-temperature steam room is sent out more than saturated vapor
When giving birth to the pressure in device, high-temperature steam mixes into saturated steam generator with the liquid water in saturated steam generator carries out heat
Exchange.
Water pump and pressure-regulating valve are disposed with the pure water tank and the connecting line of high-temperature steam generator,
The high-temperature steam generator also include high-temperature steam water pipe, multiple top end opening bottom end closure formula heating tubes,
High-temperature steam delivery line and high-temperature steam non-return valve, the high-temperature steam non-return valve are arranged on inside high-temperature steam delivery line；Institute
State heating tube openend and be arranged on another blind end in high-temperature steam room and be arranged in heat-storing device, the high-temperature steam water pipe
One end is arranged in high-temperature steam generator, the opening of outlet alignment heating tube, and the other end of high-temperature steam water pipe is arranged on
High-temperature steam generator is outer to be connected with one end of pressure-regulating valve, and the other end of the pressure-regulating valve is connected with water pump,
The water pump is connected with pure water tank, and the output end of the high-temperature steam generator is connected with high-temperature steam delivery line.
It is described filled with solid heat accumulating and the heater strip heated to solid heat accumulating in the heat-storing device
Heating tube is inserted into the gap of solid heat accumulating vertically downward, and the bottom of the heating tube is provided with the bottom of heat-storing device
Certain distance.
The bottom of the saturated steam generator is provided with high-temperature steam distributor, the upper table of the high-temperature steam distributor
Face is provided with hole, and filler is placed with above high-temperature steam distributor, and the high-temperature steam generator is led by high-temperature steam
Outlet pipe is connected with high-temperature steam distributor.
The top of the saturated steam generator is connected with water supplement port, safety valve, steam output valve, manhole, pressure inverting
Device and draining valve.
Small pump and controller, the control are disposed with the pure water tank and the connecting line of saturated steam generator
Device processed is connected with water supplement port.
Heat-insulation layer is provided with the lateral wall of the heat-storing device, the bottom of the high-temperature steam room passes through with heat-storing device
Heat-insulation layer separates.
By adopting the above-described technical solution, one kind that the present invention is provided is using heat in high-temperature steam trasfer of solids storage bodies
The device of amount, inside the heating tube in the water injection high-temperature steam generator in pure water tank, carries out hot friendship at high operating temperatures
Change, saturated steam generator, high-temperature steam and saturation are entered after liquid hydrothermal exchange is entered into high-temperature steam room into high-temperature steam
Liquid water in steam generator is sufficiently mixed and for liquid water to be heated to required temperature.When temperature is higher than 100 DEG C, then produce not
With the saturated vapor of pressure.The characteristics of device takes full advantage of big water vapor latent heat and steam good fluidity, even if water is in storage
Hot portion in vivo is vaporized, and thermal store internal heat is become into steam latent heat, steam is derived and reheats water.Heat be
Between the gas phase and liquid phase of water change, it is possible to by heat from thermal store fast transfer out, without by other media.So
The slow problem of heat transfer velocity is not only solved, simultaneously as device contact high-temperature component only has heating tube, heating tube makes
Consumption seldom, can use exotic material, it is possible to greatly improve the heat accumulation temperature of thermal store to 1000 DEG C or so, increase
Unit volume quantity of heat storage.
Brief description of the drawings
In order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments described in application, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of background technology；
Fig. 2 is schematic diagram of the invention；
Fig. 3 is the structural representation using the device of heat in high-temperature steam trasfer of solids storage bodies in the present invention；
Fig. 4 is high-temperature steam generator structural representation of the present invention.
In figure：1st, solid heat accumulating, 2, heater strip, 3, heat-insulation layer, 4.1, heating tube, 4.3, high-temperature steam room, 4.4,
High-temperature steam delivery line, 4.5 high-temperature steam non-return valves, 4.6, high-temperature steam distributor, 4.7, water supplement port, 5, saturated vapor occurs
Device, 5.2, filler, 6, high-temperature steam water pipe, 7, pressure-regulating valve, 8, water pump, 9, controller, 10, small pump, 11, pure water
Case, 12, safety valve, 13, steam output valve, 14, manhole, 15, pressure transmitter, 16, draining valve, 19, heat-storing device, 20, high
Warm steam generator.
Specific embodiment
To make technical scheme and advantage clearer, with reference to the accompanying drawing in the embodiment of the present invention, to this
Technical scheme in inventive embodiments carries out clearly complete description：
The device of heat in a kind of utilization high-temperature steam trasfer of solids storage bodies as in Figure 2-4, including pure water tank 11,
High-temperature steam generator 20, heat-storing device 19 and saturated steam generator 5.High-temperature steam generator 20 is pushed up positioned at heat-storing device 19
Portion is connected with heat-storing device 19, and pure water tank 11 is connected with high-temperature steam generator 20, the high-temperature steam generator 20 with
Saturated steam generator 5 is connected, and the filler of the saturated steam generator 5 is connected with pure water tank 11；The high temperature steams
Vapour generator 20 includes high-temperature steam room 4.3.
Under working condition：Liquid water in pure water tank 11 is imported into high-temperature steam generator 20, high-temperature steam is with water pipe 6
Liquid water heated into the heating tube 4.1 in pre-buried heat-storing device 19 at high operating temperatures, the high-temperature steam of generation
Into high-temperature steam room 4.3, when the pressure in high-temperature steam room 4.3 is more than the pressure in saturated steam generator 5, high temperature steams
Vapour enters saturated steam generator 5, mixes with the liquid water in saturated steam generator 5, the liquid coolant-temperature gage is increased to institute
Used after needing temperature.When liquid coolant-temperature gage be higher than 100 DEG C when, output be different pressures saturated vapor
The effect of high-temperature steam distributor 4.6 is that the aperture for making high-temperature steam pass through above it occurs even into saturated vapor
Inside device 5, can be fully contacted and mix with the internal water of saturated steam generator 5.The effect of filler 5.2 is to make high-temperature steam and saturation
Water increase contact area inside steam generator 5, increases time of contact.
High-temperature steam generator 20 is as shown in figure 4, including high-temperature steam water pipe 6, heating tube 4.1, high-temperature steam room
4.3rd, high-temperature steam delivery line 4.4 and high-temperature steam non-return valve, the closing of the one end of the heating tube 4.1, one end open, heating tube
4.1 open at one end are arranged in high-temperature steam room 4.3, another blind end in the outside heat-storing device 19 of high-temperature steam room 4.3, institute
State the one end of high-temperature steam water pipe 6 to be arranged in high-temperature steam generator 20, the opening of outlet alignment heating tube 4.1, high temperature steams
The other end of vapour water pipe 6 is arranged on the outside of high-temperature steam generator 20 and is connected with one end of pressure-regulating valve 7, pressure-regulating valve
7 other end is connected with water pump 8, and the water pump 8 is connected with pure water tank 11.The high-temperature steam delivery line 4.4 and high temperature
Steam generator 20 is connected.The inside middle of high-temperature steam delivery line 4.4 sets high-temperature steam non-return valve 4.5.
Further, in heat-storing device 19 filled with solid heat accumulating 1 and solid heat accumulating 1 is heated plus
Heated filament 2.The heating tube 4.1 is inserted into the gap of solid heat accumulating 1 vertically downward, the bottom of the heating tube 4.1 with
The bottom of heat-storing device 19 is provided with that certain distance, i.e. heating tube 4.1 are non-with the bottom of heat-storing device 19 in the heat-storing device 19 to be connect
Touch and set.
Further, the bottom of saturated steam generator 5 is provided with high-temperature steam distributor 4.6, high-temperature steam distributor
4.6 upper surface is provided with hole, and filler 5.2, the high-temperature steam generator are placed with the top of high-temperature steam distributor 4.6
20 are connected by high-temperature steam delivery line 4.4 with high-temperature steam distributor 4.6.
Further, the top of saturated steam generator 5 be connected with water supplement port 4.7, safety valve 12, steam output valve 13,
Manhole 14, pressure transmitter 15 and draining valve 16.Pressure transmitter 15 produces electric pressure signal, direct feedback to control to adjust valve 7
Flow of inlet water, automatically controls output fixation pressure saturated vapor.The effect of safety valve 12 is when the inside of saturated steam generator 5 exceedes
It is vented automatically during preset pressure, it is ensured that system safety operation.For the passage of maintenance personal's turnover when manhole 14 is maintenance of equipment.Row
Water valve 16 is that, due to being concentrated by evaporation, when contaminant overstandard is unqualified, or saturated vapor occurs in the inside water quality of saturated steam generator 5
Used during emptying internal water when device 5 is overhauled.
Further, small pump 10 and control are disposed with pure water tank 11 and the connecting line of saturated steam generator 5
Device processed 9, i.e. pure water tank 11 are connected with small pump 10, and small pump 10 is connected with controller 9, controller 9 again with saturated vapor
Generator 5 is connected by water supplement port 4.7.
Heat-insulation layer 3 is provided with the lateral wall of heat-storing device 19, bottom and the heat-storing device 19 of high-temperature steam room 4.3 pass through
Heat-insulation layer 3 separates.Heat-insulation layer 3 has insulation effect to heat-storing device 19.
Further, heating tube 4.1 and the contact site welded seal of high-temperature steam generator 20.High-temperature steam water pipe 6
With the contact site welded seal of high-temperature steam generator 20.High-temperature steam generator 20 and the contact site of high-temperature steam delivery line 4.4
Position welded seal.High-temperature steam delivery line 4.4 and the contact site welded seal of saturated steam generator 5.Water supplement port 4.7 and saturation
The contact site welded seal of steam generator 5.
Embodiment：Switch on power in the paddy electricity time, electric current flows through heater strip 2, heater strip 2 releases heat by solid heat accumulation material
Material 1 is heated to 100----1000 DEG C, completes heat accumulation process.In the case where pure water tank 11 is full of pure water, the He of small pump 10 is opened
Controller 9, pure water is injected in saturated steam generator 5, and control liquid level is higher than filler 5.2, high less than saturated steam generator 5
/ 2nd of degree.High-temperature steam water feed pump 8 is then turned on, by the regulating water flow of flow control valve 7, water flows through high temperature steaming
Vapour water pipe 6, into the heating tube 4.1 inside high-temperature steam generator 20.Because the solid heat accumulating 1 of high temperature is with hot spoke
Penetrate and heat be conducted to heating tube 4.1 with the mode such as heat transfer, the temperature of heating tube 4.1 close to solid heat accumulating 1 temperature, institute
With enter heating tube 4.1 water be heated vaporization form high-temperature steam, high-temperature steam from the spilling suitable for reading of heating tube 4.1, into height
Warm vaporium 4.3, when the pressure during the pressure of high-temperature steam room 4.3 is higher than saturated steam generator 5, high-temperature steam is through too high
Warm steam delivery line 4.4 and high-temperature steam non-return valve 4.5 enter in high-temperature steam distributor 4.6, and high-temperature steam is steamed by high temperature
The pore at the top of vapour distributor 4.6 overflows, and into filler 5.2, makes the water in high-temperature steam and saturated steam generator 5 abundant
Mixing and heat exchange, the water in saturated steam generator 5 are heated properly.When user needs hot water, saturated steam generator 5
In water be heated to required temperature, be directly fed to user by heat exchanger or by hot water.When user needs steam, will be full
It is heated beyond in 100 DEG C, saturated steam generator 5 with the water in steam generator 5 and then produces saturated vapor.When saturated vapor hair
When hot water reaches required temperature in pressure or saturated steam generator 5 needed for pressure rises in raw device 5, for example, working as temperature
When reaching 133 DEG C, steam pressure 0.3MPa, when temperature reaches 180 DEG C, steam pressure 1.0MPa. refers to saturated-steam temperature
With the pressure table of comparisons.Steam output valve 13 is opened to start to supply steam for user.The supply of hot water or saturated vapor is by adjusting
Valve 7 is adjusted.Water-carrying capacity i.e. into high-temperature steam generator 20 is bigger, then the amount for generating high-temperature steam is more, brings into full
Heat with steam generator 5 is more, and the hot water or saturated vapor of generation are more.Under normal operating conditions, pressure inverting
Device 15 produces electric pressure signal, direct feedback to control to adjust the flow of inlet water of valve 7, automatically controls output fixation pressure saturated vapor.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept is subject to equivalent or change, should all be included within the scope of the present invention.
Claims (5)
1. in a kind of utilization high-temperature steam trasfer of solids storage bodies heat device, it is characterised in that：Including being loaded with liquid water
Pure water tank (11), liquid water heating is changed into high-temperature steam generator (20), heat-storing device (19) and the saturation of high-temperature steam
Steam generator (5), the high-temperature steam generator (20) is connected positioned at heat-storing device (19) top with heat-storing device (19),
The pure water tank (11) is connected with high-temperature steam generator (20), and the high-temperature steam generator (20) occurs with saturated vapor
Device (5) is connected, and the filler of the saturated steam generator (5) is connected with pure water tank (11)；The high-temperature steam occurs
Device (20) includes high-temperature steam room (4.3)；
Under working condition：Liquid water in pure water tank (11) is imported into high-temperature steam generator (20) to enter back under the condition of high temperature
Heat-storing device (19) is heated, and the high-temperature steam of generation enters high-temperature steam room (4.3), when in high-temperature steam room (4.3)
When pressure is more than the pressure in saturated steam generator (5), high-temperature steam enters saturated steam generator (5) and is sent out with saturated vapor
Liquid water mixing in raw device (5) carries out heat exchange；
Water pump (8) and pressure regulation are disposed with the pure water tank (11) and the connecting line of high-temperature steam generator (20)
Valve (7),
The high-temperature steam generator (20) also includes high-temperature steam water pipe (6), multiple top end opening bottom end closure formula heating
Pipe (4.1), high-temperature steam delivery line (4.4) and high-temperature steam non-return valve (4.5), the high-temperature steam non-return valve (4.5) are set
It is internal in high-temperature steam delivery line (4.4)；Heating tube (4.1) openend is arranged in high-temperature steam room (4.3), Ling Yifeng
Closed end is arranged in heat-storing device (19), described high-temperature steam water pipe (6) one end is arranged in high-temperature steam generator (20),
The opening of outlet alignment heating tube (4.1), the other end of high-temperature steam water pipe (6) is arranged on high-temperature steam generator (20) outward
One end with pressure-regulating valve (7) is connected, and the other end of the pressure-regulating valve (7) is connected with water pump (8), the water pump
(8) it is connected with pure water tank (11), the output end of the high-temperature steam generator (20) is connected with high-temperature steam delivery line (4.4)
Connect；
The top of the saturated steam generator (5) is connected with water supplement port (4.7), safety valve (12), steam output valve (13), people
Hole (14), pressure transmitter (15) and draining valve (16).
2. in a kind of utilization high-temperature steam trasfer of solids storage bodies according to claim 1 heat device, its feature is also
It is：Filled with solid heat accumulating (1) and the heating heated to solid heat accumulating (1) in the heat-storing device (19)
Silk (2), the heating tube (4.1) is inserted into the gap of solid heat accumulating (1) vertically downward, the heating tube (4.1)
Bottom is provided with certain distance with the bottom of heat-storing device (19).
3. in a kind of utilization high-temperature steam trasfer of solids storage bodies according to claim 1 and 2 heat device, its feature
Also reside in：The bottom of the saturated steam generator (5) is provided with high-temperature steam distributor (4.6), the high-temperature steam distribution
The upper surface of device (4.6) is provided with hole, and filler (5.2) is placed with above high-temperature steam distributor (4.6), and the high temperature steams
Vapour generator (20) is connected by high-temperature steam delivery line (4.4) with high-temperature steam distributor (4.6).
4. in a kind of utilization high-temperature steam trasfer of solids storage bodies according to claim 1 heat device, its feature is also
It is：Small pump (10) and control are disposed with the pure water tank (11) and the connecting line of saturated steam generator (5)
Device (9), the controller (9) is connected with water supplement port (4.7).
5. in a kind of utilization high-temperature steam trasfer of solids storage bodies according to claim 1 heat device, its feature is also
It is：Heat-insulation layer (3), bottom and the storage of the high-temperature steam room (4.3) are provided with the lateral wall of the heat-storing device (19)
Thermal (19) is separated by heat-insulation layer (3).
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| CN201510382436.6A CN104964260B (en) | 2015-07-02 | 2015-07-02 | The device of heat in a kind of utilization high-temperature steam trasfer of solids storage bodies |
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| CN109708508A (en) * | 2018-11-29 | 2019-05-03 | 亿利洁能科技（颍上）有限公司 | A kind of steam storage method |
| CN111911897A (en) * | 2020-09-01 | 2020-11-10 | 刘新 | Heat storage type steam system |
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| CN1293344A (en) * | 1999-10-19 | 2001-05-02 | 北京科技大学 | Technique for accumulating heat by electric energy in low vally at night and heating or refrigerating at daytime |
| JP2004044957A (en) * | 2002-07-15 | 2004-02-12 | Miura Co Ltd | Accumulator |
| JP2004236991A (en) * | 2003-02-07 | 2004-08-26 | Energy Support Corp | Cooking apparatus |
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