CN203531987U - Intermittent heat source energy storage power-generating system - Google Patents
Intermittent heat source energy storage power-generating system Download PDFInfo
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Abstract
The utility model discloses an intermittent heat source energy storage power-generating system which comprises a steam generating sub-system, a steam turbine power-generating system and an organic working medium turbine power-generating sub-system. The steam generating sub-system comprises a superheater, an evaporator, an economizer, a first heat exchanger, a solar thermal collector and an air blower. Heat can be stored through smoke waste heat energy and solar light heat energy, heat storage further can be completed through off-peak power, and the limitation of the single form of heat source in heat storage is eliminated. Corresponding phase change energy storage materials are respectively adopted according to the different temperature grades of steam produced by the superheater, the evaporator and the economizer. With combination of the gravity heat tube heat exchange technology, the heat conducting effect is reinforced. High-pressure superheated steam is adopted by the steam turbine to serve as main steam, low-pressure saturated steam serves as supplemented steam for assistance, dead steam waste heat is further circulated by aid of the organic working medium Rankine cycle, and therefore cascade recovery of the energy is achieved.
Description
Technical field
The utility model relates to a kind of power generation system, relates in particular to a kind of intermittent type thermal source energy storage generating system.
Background technique
At present, China is in industrialization, developing stage is goed deep in urbanization, and socio-economic development still constantly increases the demand of the energy.According to initial estimate, 36.2 hundred million tons of standard coals of annual total energy consumption in 2012, increased by 3.9% than 2011, and consumption of coal increases by 2.5%, and Amount of Consumption of Crude Oil increases by 6.0%, and Natural Gas Consumption Using increases by 10.2%, and power consumption increases by 5.5%.Industrial development continues to increase energy demand, causes the extensive industrial development road of traditional energy resources high flow rate hard to carry on.< < Chinese national economy and social development 12 planning outline > > clearly propose " 12 " period, adhere to using advancement and innovation of science and technology as the important support of accelerating transformation of the mode of economic development, will be from serious dependence coal resources, to green, polynary, low carbonization energy development, change, will be from various energy kind independent developments, fusion complementary to various energy resources and system is coordinated to change.< < " 12 " national strategy new industry development plan > > explicitly points out, by 2015, form a collection of power-saving technology equipment of attaching most importance to efficient burning, energy cascade utilization, high efficiency energy storage, green energy-conserving construction material, energy-saving monitoring and energy measurement etc. and manufacture leading enterprise and industrialization demonstration base with product.In recent years, national energy-saving reduces discharging the continuous appearance of policy, expedited the emergence of large quantities of energy storage and novel electricity generation technology, contained each field of commercial Application, as high energy-consuming enterprises's waste heat high efficiente callback, the electrical power storage of wind power plant, solar energy thermal-power-generating, biomass energy are effectively utilized, peak load regulation network etc.
Notice of authorization number is the patent " sleeve type heat pipe organic medium evaporation medium-low temperature flue gas waste heat power generating system " of CN202420250U (open day is on September 5th, 2012), a set of high efficient heat exchanging feature of utilizing heat pipe is proposed, make organic media evaporation, the power generation system of low-temperature flue gas waste heat in recovery, but this system is not considered the storage problem to fume afterheat energy.
Notice of authorization number is the patent " the hot energy-storing and power-generating system of wind energy turbine set " of CN202759240U (open day is on February 27th, 2013), the high and low temperature heat storage can of a set of employing internal heater is proposed as the power generation system of wind-powered electricity generation energy storage mode, although this system stored energy capacity is large, flexible to operation, but be easily subject to the restriction that heat accumulation heat resource form is single.
The patent " low ebb electricity heat accumulation power generation system " of notice of authorization CN201877841U (open day is on June 22nd, 2011), a set of trough-electricity accumulation of heat that utilizes is proposed, and by closed-loop path, electric energy is fed back and is received the power generation system of electrical network, this system has solved peak of power consumption power shortages, the problem of low ebb load down, but this patent only provides the cardinal principle framework of a whole set of power generation system.
Generally speaking, no matter be can reclaim fume afterheat, or implement generating by solar heat energy, or be to utilize trough-electricity to complete accumulation of heat, all inevitably touch intermittence, wave properties and the periodic problem of thermal source, be unstability and the discontinuity problem of thermal source, this just brings certain difficulty to the continuous and steady operation of generator set.Therefore, need to design a set of easy to operate, energy storage generating system that can high efficiente callback intermittent type heat-source energy.
Model utility content
Model utility object: the purpose of this utility model is in order to solve above the deficiencies in the prior art, provides a set of simple operation, with low cost, the energy storage generating system that is applicable to multiple intermittent type thermal source.
For achieving the above object, the utility model by the following technical solutions:
An intermittent type thermal source energy storage generating system, is characterized in that, comprises steam generation subtense angle, steam turbine generation subtense angle and organic working medium turbine power generation subtense angle;
Described steam generation subtense angle, comprises superheater, vaporizer, economizer, First Heat Exchanger, solar thermal collector and blower; Described steam turbine generation subtense angle, comprises steam turbine, the first vapour condenser, condensate pump, oxygen-eliminating device and feed water pump; Described organic working medium turbine power generation subtense angle, comprises the second heat exchanger, organic working medium turbine, generator, the 3rd heat exchanger, the second vapour condenser, liquid container, organic working medium recycle pump and gas-liquid separator;
Described superheater comprises thermal baffle, gravity assisted heat pipe, energy storage block and electric heater, described thermal baffle horizontal positioned, described superheater inner space is divided into two-layer up and down, upper sheaf space one end is provided with steam (vapor) outlet, the other end is provided with steam inlet, and lower layer space one end is provided with hot air inlet, the other end is provided with hot air outlet;
Described vaporizer comprises thermal baffle, gravity assisted heat pipe, energy storage block and electric heater, described thermal baffle horizontal positioned, described vaporizer inner space is divided into two-layer up and down, upper strata top of space is provided with steam (vapor) outlet, one end, side is provided with feed-water intake, and lower layer space one end is provided with hot air inlet, the other end is provided with hot air outlet;
Described economizer comprises thermal baffle, gravity assisted heat pipe, energy storage block, electric heater and heat exchanger coiled pipe, described thermal baffle horizontal positioned, described economizer inner space is divided into two-layer up and down, upper strata top of space is provided with steam (vapor) outlet, one end, side is provided with feed-water intake, and lower layer space one end is provided with hot air inlet, the other end is provided with hot air outlet;
Described First Heat Exchanger comprises hot flue gas channel, air passageways, thermal baffle and several gravity assisted heat pipe, described hot flue gas channel and described air passageways are separated by described thermal baffle, described hot flue gas channel one end arranges hot smoke inlet, the other end arranges smoke outlet, described hot smoke inlet abutting end arranges air outlet slit, and described smoke outlet abutting end arranges air inlet;
Described solar thermal collector top is provided with solar heat-collection plate, and one end, described solar thermal collector side is provided with air inlet, and the other end is provided with air outlet slit;
Described steam turbine is provided with main steam inlet, filling entrance and exhaust steam outlet, described oxygen-eliminating device is provided with steam inlet, described the second heat exchanger is provided with steam inlet, described gas-liquid separator is provided with entrance, gas outlet and liquid outlet, and described organic working medium turbine is provided with entrance and exit;
The air outlet slit of described solar thermal collector is connected with one end of described blower respectively with the air outlet slit of described First Heat Exchanger, the other end of described blower is connected with the hot air inlet of described superheater, the hot air outlet of described superheater is connected with the hot air inlet of described vaporizer, and the hot air outlet of described vaporizer is connected with the hot air inlet of described economizer;
The feed-water intake of described economizer is connected with one end of described feed water pump respectively with the feed-water intake of described vaporizer, the steam (vapor) outlet of described economizer is connected with the filling entrance of the steam inlet of described oxygen-eliminating device, described steam turbine and the steam inlet of described the second heat exchanger respectively, the steam (vapor) outlet of described vaporizer is connected with the steam inlet of described superheater, and the steam (vapor) outlet of described superheater is connected with the main steam inlet of described steam turbine;
One end of described the first vapour condenser is connected with the exhaust steam of described steam turbine outlet, described the 3rd heat exchanger, the other end of described the first vapour condenser is connected with described condensate pump, described gas-liquid separator, the described condensate pump the other end is connected with described oxygen-eliminating device, one end of described feed water pump is connected with described oxygen-eliminating device, and the other end of described feed water pump is connected with the described feed-water intake of economizer and the feed-water intake of described vaporizer respectively;
One end of described the 3rd heat exchanger is connected with described organic working medium turbine outlet, the other end of described the 3rd heat exchanger is connected with described second vapour condenser one end, the described second vapour condenser the other end is connected with one end of described liquid container, one end of described organic working medium recycle pump is connected with described liquid container, the other end of described organic working medium recycle pump is connected with described the 3rd heat exchanger, the gas outlet of described gas-liquid separator is connected with the entrance of described the second heat exchanger, the outlet of described the second heat exchanger is connected with described organic working medium turbine entrance, the liquid outlet of described gas-liquid separator is connected with described liquid container, the entrance of described gas-liquid separator is connected with described the first vapour condenser.
Preferably, described organic working medium turbine, generator and described steam turbine are coaxially arranged, and connect by coupling.
Preferably, accumulation of heat thermal source is the hot air of described First Heat Exchanger, one or more in the hot air of described solar thermal collector or described electric heater.
The energy storage block material of preferably, filling in described superheater lower layer space is high temperature composite phase-change energy-storing material.
The energy storage block material of preferably, filling in described vaporizer lower layer space is high temperature composite phase-change energy-storing material.
The energy storage block material of preferably, filling in described economizer lower layer space is low temperature composite phase-change energy-storing material.
Several gravity assisted heat pipes of described superheater are placed perpendicular to horizontal plane, be uniformly distributed and pass thermal baffle, gravity assisted heat pipe one end sheaf space on superheater, the other end is in superheater lower layer space, energy storage block is filled in the gap of the several gravity assisted heat pipes of superheater lower layer space, between energy storage block surface and gravity assisted heat pipe tube wall, directly contact, but between energy storage block and energy storage block, leave a fixed gap, can be used as air communication channel, electric heater directly inserts the superheater lower layer space of filling energy storage block by superheater bottom;
Several gravity assisted heat pipes of described vaporizer are placed perpendicular to horizontal plane, be uniformly distributed and pass thermal baffle, gravity assisted heat pipe one end sheaf space on vaporizer, the other end is in vaporizer lower layer space, energy storage block is filled in the gap of the several gravity assisted heat pipes of vaporizer lower layer space, between energy storage block surface and gravity assisted heat pipe tube wall, directly contact, but between energy storage block and energy storage block, leave a fixed gap, can be used as air communication channel, electric heater is directly inserted the vaporizer lower layer space of filling energy storage block by base of evaporator;
Several gravity assisted heat pipes of described economizer are placed perpendicular to horizontal plane, be uniformly distributed and pass thermal baffle, gravity assisted heat pipe one end sheaf space on economizer, the other end is in economizer lower layer space, heat exchanger coiled pipe is in the inner side of economizer lower layer space, energy storage block is filled in the gap of economizer lower layer space heat exchanger coiled pipe and several gravity assisted heat pipes, between energy storage block surface and heat exchanger coiled pipe and gravity assisted heat pipe tube wall, directly contact, but between energy storage block and energy storage block, leave a fixed gap, can be used as air communication channel, electric heater directly inserts the economizer lower layer space of filling energy storage block by economizer bottom,
The evaporator section of the gravity assisted heat pipe in described superheater, vaporizer, economizer and First Heat Exchanger and the length of condensating section, need specifically to determine according to actual needs;
Gravity assisted heat pipe in described First Heat Exchanger and the corner dimension of horizontal plane, need specifically to determine according to actual needs;
Working medium in described gravity assisted heat pipe cavity is demineralized water, and working medium volume accounts for 1/3 of heat pipe cavity total volume and is advisable;
Organic working medium in described organic working medium turbine power generation subtense angle is ammonia.
The hot air of the hot air of described First Heat Exchanger and described solar thermal collector, can distinguish the independent accumulation of heat thermal source as described steam generation subtense angle, or utilize cheap valley electricity to complete accumulation of heat by described electric heater, or complete accumulation of heat by the combination in any of three kinds of modes.
Beneficial effect:
(1) not only can utilize separately fume afterheat energy or solar heat energy to carry out accumulation of heat, can also utilize valley electricity to complete accumulation of heat, or be that three kinds of thermals source utilize or any combination of two simultaneously, break away from the restriction of heat accumulation heat resource form unification;
(2) according to the difference of superheater, vaporizer and economizer institute producing steam temperature grade, adopt respectively corresponding high temperature composite phase-change energy-storing material and low temperature composite phase-change energy-storing material, and in conjunction with gravity assisted heat pipe heat transfer technology, strengthened the heat-transfer effect of storage/exoergic process;
(3) steam turbine adopts high pressure superheated steam as main steam, and is aided with low-pressure saturated steam as filling, and exhaust steam residual heat is again by organic rankie cycle recycling, has realized the step recovery of energy.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
In figure, 1, superheater; 2, vaporizer; 3, economizer; 4a, 4b, 4c, electric heater; 5a, 5b, 5c, energy storage block; 6a, 6b, 6c, 24, thermal baffle; 7a, 7b, 7c, 23, gravity assisted heat pipe; 8, heat exchanger coiled pipe; 9, steam turbine; 10, the first vapour condenser; 11, condensate pump; 12, oxygen-eliminating device; 13, feed water pump; 14, gas-liquid separator; 15, the second heat exchanger; 16, organic working medium turbine; 17, generator; 18, the 3rd heat exchanger; 19, the second vapour condenser; 20, liquid container; 21, organic working medium recycle pump; 22, First Heat Exchanger; 25, hot flue gas channel; 26, air passageways; 27, solar thermal collector; 28, solar heat-collection plate; 29, blower.
Embodiment
In order to deepen understanding of the present utility model, below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, and this embodiment only, for explaining the utility model, does not form the restriction to the utility model protection domain.
Embodiment
As shown in Figure 1, a kind of intermittent type thermal source energy storage generating system, comprises steam generation subtense angle, steam turbine generation subtense angle and organic working medium turbine power generation subtense angle;
Steam generation subtense angle, comprises superheater 1, vaporizer 2, economizer 3, First Heat Exchanger 22, solar thermal collector 27 and blower 29, wherein, superheater 1 comprises thermal baffle 6a, gravity assisted heat pipe 7a, energy storage block 5a and electric heater 4a, thermal baffle 6a horizontal positioned, superheater 1 inner space is divided into two-layer up and down, upper sheaf space one end is provided with steam (vapor) outlet, the other end is provided with steam inlet, lower layer space one end is provided with hot air inlet, the other end is provided with hot air outlet, several gravity assisted heat pipe 7a place perpendicular to horizontal plane, be uniformly distributed and pass thermal baffle 6a, gravity assisted heat pipe 7a one end sheaf space on superheater 1, the other end is in superheater 1 lower layer space, energy storage block 5a is filled in the gap of the several gravity assisted heat pipe 7a of superheater 1 lower layer space, between energy storage block 5a surface and gravity assisted heat pipe 7a tube wall, directly contact, but leave a fixed gap between energy storage block 5a and energy storage block 5a, can be used as air communication channel, electric heater 4a is directly inserted superheater 1 lower layer space of filling energy storage block 5a by superheater 1 bottom,
Vaporizer 2 comprises thermal baffle 6b, gravity assisted heat pipe 7b, energy storage block 5b and electric heater 4b, thermal baffle 6b horizontal positioned, vaporizer 2 inner spaces are divided into two-layer up and down, upper strata top of space is provided with steam (vapor) outlet, one end, side is provided with feed-water intake, lower layer space one end is provided with hot air inlet, the other end is provided with hot air outlet, several gravity assisted heat pipe 7b place perpendicular to horizontal plane, be uniformly distributed and pass thermal baffle 6b, gravity assisted heat pipe 7b one end sheaf space on vaporizer 2, the other end is in vaporizer 2 lower layer spaces, energy storage block 5b is filled in the gap of the several gravity assisted heat pipe 7b of vaporizer 2 lower layer space, between energy storage block 5b surface and gravity assisted heat pipe 7b tube wall, directly contact, but leave a fixed gap between energy storage block 5b and energy storage block 5b, can be used as air communication channel, electric heater 4b is directly inserted vaporizer 2 lower layer spaces of filling energy storage block 5b by vaporizer 2 bottoms,
Economizer 3 comprises thermal baffle 6c, gravity assisted heat pipe 7c, energy storage block 5c, electric heater 4c and heat exchanger coiled pipe 8, thermal baffle 6c horizontal positioned, economizer 3 inner spaces are divided into two-layer up and down, upper strata top of space is provided with steam (vapor) outlet, one end, side is provided with feed-water intake, lower layer space one end is provided with hot air inlet, the other end is provided with hot air outlet, several gravity assisted heat pipe 7c place perpendicular to horizontal plane, be uniformly distributed and pass thermal baffle 6c, gravity assisted heat pipe 7c one end sheaf space on economizer 3, the other end is in economizer 3 lower layer spaces, heat exchanger coiled pipe 8 is in the inner side of economizer 3 lower layer spaces, energy storage block 5c is filled in the gap of economizer 3 lower layer space heat exchanger coiled pipes 8 and several gravity assisted heat pipe 7c, between energy storage block 5c surface and heat exchanger coiled pipe 8 and gravity assisted heat pipe 7c tube wall, directly contact, but leave a fixed gap between energy storage block 5c and energy storage block 5c, can be used as air communication channel, electric heater 4c is directly inserted economizer 3 lower layer spaces of filling energy storage block 5c by economizer 3 bottoms,
Solar thermal collector 27 tops are provided with solar heat-collection plate 28, and are provided with air inlet in solar thermal collector 27 one end, side, and the other end is provided with air outlet slit;
The air outlet slit of solar thermal collector 27, and the air outlet slit of First Heat Exchanger 22, by pipeline, be connected with one end of blower 29, the other end of blower 29 is connected by pipeline with the hot air inlet of superheater 1, the hot air outlet of superheater 1 is connected by pipeline with the hot air inlet of vaporizer 2, and the hot air outlet of vaporizer 2 is connected by pipeline with the hot air inlet of economizer 3;
The feed-water intake of economizer 3, and the feed-water intake of vaporizer 2, by pipeline, be connected with one end of feed water pump 13, the steam (vapor) outlet of economizer 3 passes through pipeline, be connected with the filling entrance of steam inlet, steam turbine 9 and the steam inlet of the second heat exchanger 15 with the heating of oxygen-eliminating device 12 respectively, the steam (vapor) outlet of vaporizer 2 is connected by pipeline with the steam inlet of superheater 1, and the steam (vapor) outlet of superheater 1, by pipeline, is connected with the main steam inlet of steam turbine 9;
Steam turbine generation subtense angle, comprises steam turbine 9, the first vapour condenser 10, condensate pump 11, oxygen-eliminating device 12 and feed water pump 13; Wherein, steam turbine 9 is provided with main steam inlet, filling entrance and exhaust steam outlet;
One end of the first vapour condenser 10, by pipeline, be connected with the exhaust steam outlet of steam turbine 9, the other end of the first vapour condenser 10 is connected by pipeline with one end of condensate pump 11, condensate pump 11 the other ends are connected with oxygen-eliminating device 12, one end of feed water pump 13, by pipeline, be connected with oxygen-eliminating device 12, the other end respectively with the feed-water intake of economizer 3, and the feed-water intake of vaporizer 2 is connected;
Organic working medium turbine power generation subtense angle, comprises the second heat exchanger 15, organic working medium turbine 16, generator 17, the 3rd heat exchanger 18, the second vapour condenser 19, liquid container 20, organic working medium recycle pump 21 and gas-liquid separator 14; Wherein, organic working medium turbine 16 and generator 16, coaxially arranged with steam turbine 9, and connect by coupling;
The 3rd heat exchanger 18, pass through pipeline, one end is connected with 16 outlets of organic working medium turbine, the other end is connected with second vapour condenser 19 one end, second vapour condenser 19 the other ends are connected by pipeline with one end of liquid container 20, organic working medium recycle pump 21, pass through pipeline, one end is connected with liquid container 20, the other end is connected with the 3rd heat exchanger 18, the organic working medium side of the first vapour condenser 10, pass through pipeline, one end is connected with the 3rd heat exchanger 18, the other end is connected with gas-liquid separator 14, the gas outlet of gas-liquid separator 14, be connected by pipeline with the organic working medium side entrance of the second heat exchanger 15, the organic working medium side outlet of the second heat exchanger 15, pass through pipeline, be connected with organic working medium turbine 16 entrances, the liquid outlet of gas-liquid separator 14, be connected with liquid container 20,
The energy storage block 5a filling in superheater 1 lower layer space, and the energy storage block 5b filling in vaporizer 2 lower layer spaces, material is high temperature composite phase-change energy-storing material;
The energy storage block 5c material of filling in economizer 3 lower layer spaces is low temperature composite phase-change energy-storing material;
Superheater 1, vaporizer 2, economizer 3, First Heat Exchanger 22 and solar thermal collector 27 are provided with outer wall thermal insulation layer;
Working medium in gravity assisted heat pipe 7a, 7b, 7c, 23 cavitys is demineralized water, and working medium volume accounts for 1/3 of heat pipe cavity total volume;
Organic working medium in organic working medium turbine power generation subtense angle is ammonia.
From the hot air of First Heat Exchanger 22 with from the hot air of solar thermal collector 27, can distinguish the independent accumulation of heat thermal source as steam generation subtense angle, or utilize cheap valley electricity by electric heater 4a, 4b, 4c, to complete the accumulation of heat of superheater 1, vaporizer 2 and economizer 3, or complete accumulation of heat by the combination in any of three kinds of modes.
Its concrete technology flow process is as follows:
(1) hot flue gas skims over the hypomere (evaporator section) that oblique cutting enters gravity assisted heat pipe 23 in First Heat Exchanger 22 flue gas channel 25 fast, transfer heat to the working medium in gravity assisted heat pipe 23 evaporator section cavitys, working medium in cavity is heated evaporation after being heated, the epimere (condensating section) of the flow direction in air passageways 26 gravity assisted heat pipes 23, exchange of cold air heat with gravity assisted heat pipe 23 outer walls in quick sweep air passage 26, air temperature raises, after being cooled, working medium in cavity flows back to gravity assisted heat pipe 23 evaporator sections, again heat absorption, solar thermal collector 27, by being placed in the solar heat-collection plate 28 at top, passes to the heat of the sunlight of collection the cool air that enters solar thermal collector 27, and air temperature is raise, by First Heat Exchanger 22 and/or solar thermal collector 27 and the hot air coming, under the pumping action of blower 29, flows into superheater 1 lower layer space that is filled with energy storage block 5a, energy storage block 5a in superheater 1 lower layer space directly contacts with hot air, the part heat of hot air is stored, after hot air heat exchange, temperature reduces, flow into the lower layer space of vaporizer 2, carry out heat exchange with the energy storage block 5b filling in vaporizer 2 lower layer spaces, energy storage block 5b in vaporizer 2 lower layer spaces stores the part heat of hot air, after hot air heat exchange, temperature continues to reduce, then flow into the lower layer space of economizer 3, the energy storage block 5c filling in economizer 3 lower layer spaces and the abundant heat exchange of hot air that carrys out from evaporator drier 2 lower layer spaces, energy storage block 5c in economizer 3 lower layer spaces stores the part heat of hot air, after heat exchange, the temperature of hot air ratio significantly reduces before entering superheater 1, finally the air outlet slit by economizer 3 lower layer spaces directly enters atmosphere,
Be arranged at electric heater 4a, 4b, the 4c of superheater 1, vaporizer 2 and economizer 3 lower layer space bottoms, also can be in the low power consumption phase at night, utilize valley electricity at a low price to heat respectively regenerative block 5a, 5b, 5c, after reaching predetermined temperature separately, stop, the heat being produced by electric heater 4a, 4b, 4c is stored in respectively in each self-corresponding energy storage block 5a, 5b, 5c;
Be arranged at the heat exchanger coiled pipe 8 of economizer 3 lower layer space one sides, when extraneous cold fluid is when flowing through in managing, the energy storage block 5c contacting with heat exchanger coiled pipe 8 outer wall, can pass to cold fluid by the heat of storage, make the temperature of cold fluid improve certain amplitude, but concrete size need be determined according to actual conditions;
Feedwater enters after the upper sheaf space of economizer 3, by gravity assisted heat pipe 7c, by after the heat absorption storing in economizer 3 lower layer space energy storage block 5c, temperature raises, become low-pressure saturated steam, a part enters oxygen-eliminating device 12 as heating with steam, and a part enters steam turbine 9 as filling, some enters the second heat exchanger 15, carries out heat exchange with the ammonia from gas-liquid separator 14; Feedwater enters after the upper sheaf space of vaporizer 2, and by gravity assisted heat pipe 7b, by after the heat absorption storing in vaporizer 2 lower layer space energy storage block 5b, temperature raises, and becomes high-pressure saturated steam; High-pressure saturated steam enters sheaf space on superheater 1 by sheaf space on vaporizer 2 again, by gravity assisted heat pipe 7a, absorbs after the heat storing in superheater 1 lower layer space energy storage block 5a, and temperature continues to raise, and has certain degree of superheat, becomes high pressure superheated steam; High pressure superheated steam, as main steam, enters steam turbine 9;
(2) from the high pressure superheated steam of superheater 1 with from the low-pressure saturated steam of economizer 3, in steam turbine 9, expand and do work, become afterwards exhaust steam, enter the first vapour condenser 10, carry out after exchange heat with the organic working medium ammonia from the 3rd heat exchanger 18, become saturation water, under the pumping action of condensate pump 11, enter oxygen-eliminating device 12; Then, feed water pump 13 is pumped into economizer 3 by the feedwater part after deoxygenation, and a part is pumped into vaporizer 2;
(3) from the organic working medium ammonia of the 3rd heat exchanger 18, in the first vapour condenser 10, absorb after heat, become the mixture of ammonia or ammonia and ammoniacal liquor, enter afterwards gas-liquid separator 14; In gas-liquid separator 14, after ammonia is separated with ammoniacal liquor, ammonia enters in the second heat exchanger 15, carry out heat exchange with the low-pressure saturated steam from economizer 3, ammonia temperature raises, and has certain degree of superheat, then enters in organic working medium turbine 16 and expands and do work, pushing generator 17 generatings simultaneously, ammoniacal liquor flows into liquid container 20; Ammonia after acting, by organic working medium turbine 16, after the 3rd heat exchanger 18 heat-shifts, temperature reduces, and enters afterwards the second vapour condenser 18, becomes ammoniacal liquor after condensation, flows into liquid container 20; Organic working medium recycle pump 21 is pumped into the 3rd heat exchanger 18 by ammoniacal liquor, and in the 3rd heat exchanger 18, after the ammonia heat-shift after ammoniacal liquor and acting, temperature raises to some extent, then enters the first vapour condenser 10 heat absorption evaporations.
If with certain 159m
2the heat of cooling waste gas total amount 400000m of sintering circular-cooler
3/ h meter, different according to heat of cooling exhaust gas temperature grade, be divided into three parts: high-temperature flue gas, 400 ℃ of flue gas flows are 200000m
3/ h; Middle temperature flue gas, 300 ℃ of flue gas flows are 100000m
3/ h; Low-temperature flue gas, 200 ℃ of flue gas flows are 100000m
3/ h.Adopt after the intermittent type thermal source energy storage generating system described in the utility model, the electric power of exporting, compares with the power generation system that reclaims in a conventional manner heat of cooling waste gas under equal conditions, improves approximately 20～25%, if amount to 0.123kg mark coal by 1 degree electricity, save 1 degree electricity and can reduce discharging 0.997kgCO
2, unit at least moves 8000h meter every year, can more piece approximately mark approximately 0.197 ten thousand ton, coal every year, reduces discharging CO more
2approximately 1.595 ten thousand tons.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (3)
1. an intermittent type thermal source energy storage generating system, is characterized in that, comprises steam generation subtense angle, steam turbine generation subtense angle and organic working medium turbine power generation subtense angle;
Described steam generation subtense angle, comprises superheater, vaporizer, economizer, First Heat Exchanger, solar thermal collector and blower; Described steam turbine generation subtense angle, comprises steam turbine, the first vapour condenser, condensate pump, oxygen-eliminating device and feed water pump; Described organic working medium turbine power generation subtense angle, comprises the second heat exchanger, organic working medium turbine, generator, the 3rd heat exchanger, the second vapour condenser, liquid container, organic working medium recycle pump and gas-liquid separator;
Described superheater comprises thermal baffle, gravity assisted heat pipe, energy storage block and electric heater, described thermal baffle horizontal positioned, described superheater inner space is divided into two-layer up and down, upper sheaf space one end is provided with steam (vapor) outlet, the other end is provided with steam inlet, and lower layer space one end is provided with hot air inlet, the other end is provided with hot air outlet;
Described vaporizer comprises thermal baffle, gravity assisted heat pipe, energy storage block and electric heater, described thermal baffle horizontal positioned, described vaporizer inner space is divided into two-layer up and down, upper strata top of space is provided with steam (vapor) outlet, one end, side is provided with feed-water intake, and lower layer space one end is provided with hot air inlet, the other end is provided with hot air outlet;
Described economizer comprises thermal baffle, gravity assisted heat pipe, energy storage block, electric heater and heat exchanger coiled pipe, described thermal baffle horizontal positioned, described economizer inner space is divided into two-layer up and down, upper strata top of space is provided with steam (vapor) outlet, one end, side is provided with feed-water intake, and lower layer space one end is provided with hot air inlet, the other end is provided with hot air outlet;
Described First Heat Exchanger comprises hot flue gas channel, air passageways, thermal baffle and several gravity assisted heat pipe, described hot flue gas channel and described air passageways are separated by described thermal baffle, described hot flue gas channel one end arranges hot smoke inlet, the other end arranges smoke outlet, described hot smoke inlet abutting end arranges air outlet slit, and described smoke outlet abutting end arranges air inlet;
Described solar thermal collector top is provided with solar heat-collection plate, and one end, described solar thermal collector side is provided with air inlet, and the other end is provided with air outlet slit;
Described steam turbine is provided with main steam inlet, filling entrance and exhaust steam outlet, described oxygen-eliminating device is provided with steam inlet, described the second heat exchanger is provided with steam inlet, described gas-liquid separator is provided with entrance, gas outlet and liquid outlet, and described organic working medium turbine is provided with entrance and exit;
The air outlet slit of described solar thermal collector is connected with one end of described blower respectively with the air outlet slit of described First Heat Exchanger, the other end of described blower is connected with the hot air inlet of described superheater, the hot air outlet of described superheater is connected with the hot air inlet of described vaporizer, and the hot air outlet of described vaporizer is connected with the hot air inlet of described economizer;
The feed-water intake of described economizer is connected with one end of described feed water pump respectively with the feed-water intake of described vaporizer, the steam (vapor) outlet of described economizer is connected with the filling entrance of the steam inlet of described oxygen-eliminating device, described steam turbine and the steam inlet of described the second heat exchanger respectively, the steam (vapor) outlet of described vaporizer is connected with the steam inlet of described superheater, and the steam (vapor) outlet of described superheater is connected with the main steam inlet of described steam turbine;
One end of described the first vapour condenser is connected with the exhaust steam of described steam turbine outlet, described the 3rd heat exchanger, the other end of described the first vapour condenser is connected with described condensate pump, described gas-liquid separator, the described condensate pump the other end is connected with described oxygen-eliminating device, one end of described feed water pump is connected with described oxygen-eliminating device, and the other end of described feed water pump is connected with the described feed-water intake of economizer and the feed-water intake of described vaporizer respectively;
One end of described the 3rd heat exchanger is connected with described organic working medium turbine outlet, the other end of described the 3rd heat exchanger is connected with described second vapour condenser one end, the described second vapour condenser the other end is connected with one end of described liquid container, one end of described organic working medium recycle pump is connected with described liquid container, the other end of described organic working medium recycle pump is connected with described the 3rd heat exchanger, the gas outlet of described gas-liquid separator is connected with the entrance of described the second heat exchanger, the outlet of described the second heat exchanger is connected with described organic working medium turbine entrance, the liquid outlet of described gas-liquid separator is connected with described liquid container, the entrance of described gas-liquid separator is connected with described the first vapour condenser.
2. intermittent type thermal source energy storage generating system according to claim 1, is characterized in that, described organic working medium turbine, generator and described steam turbine are coaxially arranged, and connect by coupling.
3. intermittent type thermal source energy storage generating system according to claim 1, is characterized in that, accumulation of heat thermal source is the hot air of described First Heat Exchanger, one or more in the hot air of described solar thermal collector or described electric heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320650396.5U CN203531987U (en) | 2013-10-21 | 2013-10-21 | Intermittent heat source energy storage power-generating system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320650396.5U CN203531987U (en) | 2013-10-21 | 2013-10-21 | Intermittent heat source energy storage power-generating system |
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| CN203531987U true CN203531987U (en) | 2014-04-09 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105003309A (en) * | 2015-08-26 | 2015-10-28 | 江曼 | Power generation system |
| CN105134320A (en) * | 2015-08-26 | 2015-12-09 | 莫家群 | Method and device for improving energy conversion efficiency |
| CN106382837A (en) * | 2016-09-30 | 2017-02-08 | 全球能源互联网研究院 | Heat energy gradient utilization system |
| CN110529870A (en) * | 2019-09-23 | 2019-12-03 | 高黎明 | A kind of recycling of cigarette air supply heat pump waste heat and flue gas take off the white integrated heating system heated with paddy electricity phase-change accumulation energy step |
| CN114593028A (en) * | 2022-02-28 | 2022-06-07 | 中国华能集团清洁能源技术研究院有限公司 | A kind of thermal power unit transformation photothermal power thermal storage power generation system and transformation method |
-
2013
- 2013-10-21 CN CN201320650396.5U patent/CN203531987U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105003309A (en) * | 2015-08-26 | 2015-10-28 | 江曼 | Power generation system |
| CN105134320A (en) * | 2015-08-26 | 2015-12-09 | 莫家群 | Method and device for improving energy conversion efficiency |
| CN105003309B (en) * | 2015-08-26 | 2017-05-31 | 哈尔滨理工大学 | a power generation system |
| CN106382837A (en) * | 2016-09-30 | 2017-02-08 | 全球能源互联网研究院 | Heat energy gradient utilization system |
| CN110529870A (en) * | 2019-09-23 | 2019-12-03 | 高黎明 | A kind of recycling of cigarette air supply heat pump waste heat and flue gas take off the white integrated heating system heated with paddy electricity phase-change accumulation energy step |
| CN114593028A (en) * | 2022-02-28 | 2022-06-07 | 中国华能集团清洁能源技术研究院有限公司 | A kind of thermal power unit transformation photothermal power thermal storage power generation system and transformation method |
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Owner name: DING YUFENG Free format text: FORMER OWNER: NANJING JINHE ENERGY MATERIAL CO., LTD. Effective date: 20150907 |
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Effective date of registration: 20150907 Address after: 215500, 14 Fushan new street, Hai Yu Town, Suzhou, Jiangsu, Changshou City Patentee after: Ding Yufeng Address before: 302 room 210047, building B, No. 606, Ning six road, Nanjing chemical industry park, Jiangsu, China Patentee before: NANJING JINHE ENERGY MATERIAL CO.,LTD. |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20160902 Address after: 1610 room 210047, building E, Institute of chemistry and chemical research, Nanjing chemical industry park, Jiangsu Patentee after: NANJING JINHE ENERGY MATERIAL CO.,LTD. Address before: 215500, 14 Fushan new street, Hai Yu Town, Suzhou, Jiangsu, Changshou City Patentee before: Ding Yufeng |
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