CN105464729A - Smoke and hot fluid waste heat recycling system - Google Patents
Smoke and hot fluid waste heat recycling system Download PDFInfo
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- CN105464729A CN105464729A CN201610008208.7A CN201610008208A CN105464729A CN 105464729 A CN105464729 A CN 105464729A CN 201610008208 A CN201610008208 A CN 201610008208A CN 105464729 A CN105464729 A CN 105464729A
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- decompressor
- orc
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K13/00—General layout or general methods of operation of complete plants
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K11/00—Plants characterised by the engines being structurally combined with boilers or condensers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
- F22B1/1807—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines using the exhaust gases of combustion engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
- F22B1/1807—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines using the exhaust gases of combustion engines
- F22B1/1815—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines using the exhaust gases of combustion engines using the exhaust gases of gas-turbines
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention discloses a smoke and hot fluid waste heat recycling system, which comprises a waste heat boiler, a first ORC (Organic Rankine Cycle) subsystem, a third expansion machine and a third expansion machine driving apparatus, wherein the first ORC subsystem comprises a first evaporator, a first preheater, a first liquid pump, a first condenser, a first expansion machine and an expansion machine driving apparatus; the first expansion machine is connected with the expansion machine driving apparatus; smoke comprises reciprocating engine tail gas, combustion gas turbine tail gas and other industrial smoke; the smoke passes the waste heat boiler to product high-temperature and high-pressure steam; the steam passes at least one cascade-stage or single-stage screw expander to output electric energy or drive other rotary work-consuming apparatus; outlet smoke of the waste heat boiler or other low-temperature hot fluid passes a heat exchanger, the produced high-temperature hot water passes the first evaporator and the first preheater of the first ORC subsystem; and low-temperature hot water output by the first preheater is used as boiler replenishing water. According to the smoke and hot fluid waste heat recycling system, the waste heat of the smoke and the low-temperature hot fluid is used for generating electricity, and energy conservation and environment protection are realized.
Description
Technical field
The invention belongs to off-gas recovery technical field, relate to a kind of off-gas recovery and utilize system, particularly relate to a kind of flue gas and hot fluid waste heat recycling system.
Background technique
Reciprocating engine is also piston engine, it is a kind of motor utilizing one or more piston pressure to be converted to rotation function, also be a kind of be the machinery of other mechanical energy by the kinetic transformation of piston, the heat energy mainly utilizing fuel combustion to produce is by the expansion of liquid (as water) or gas, thus promotion piston, by the machinery of conversion of heat into kinetic energy.
Reciprocating engine chance produces larger waste heat, nowadays, does not also have the waste heat of reasonable method to Reciprocating engine to reclaim, thus virtually have lost a large amount of energy.
Gas turbine is with the gas of continuous-flow for working medium impeller High Rotation Speed, is the internal combustion type dynamic power machine of useful work by the energy conversion of fuel, is a kind of rotary vane type heat engine.The flue-gas temperature of discharge is high, and existing UTILIZATION OF VESIDUAL HEAT IN mode can not be complete by waste gas utilization, or can utilize completely, but the thermal efficiency is lower, have lost most of energy.
In view of this, nowadays in the urgent need to designing a kind of heat recovery mode of flue gas, to overcome the above-mentioned defect of prior art.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of flue gas and hot fluid waste heat recycling system, can utilize the cogeneration of reciprocating engine, gas turbine, industrial smoke, energy-conserving and environment-protective.
For solving the problems of the technologies described above, the present invention adopts following technological scheme:
A kind of flue gas and hot fluid waste heat recycling system, described recycling system comprises: exhaust heat boiler, an at least one ORC subtense angle, at least one 3rd decompressor, at least one 3rd decompressor driving arrangement, stram condenser or the 2nd ORC subtense angle;
A described ORC subtense angle comprises the first vaporizer, the first preheater, first liquid pump, the first condenser, the first decompressor, decompressor driving arrangement; First vaporizer, the first preheater, first liquid pump, the first condenser, the first decompressor connect successively, and the first decompressor is connected with the first vaporizer; First decompressor is connected with decompressor driving arrangement;
Flue gas comprises reciprocating engine tail gas, gas turbine exhaust gas and other industrial smokes, flue gas produces high temperature and high pressure steam by exhaust heat boiler, steam exports electric energy by Cascade or single-stage condensed steam type screw expander, and in vapour condenser, is condensed into water, as the moisturizing of exhaust heat boiler; Or flue gas produces high temperature and high pressure steam by exhaust heat boiler, steam, by after Cascade or single-stage condensed steam type screw expander, exports electric energy by the 2nd ORC subtense angle;
The high-temperature-hot-water that the preheater of exhaust heat boiler or external flue gas water-to-water heat exchanger produce is by the first vaporizer of an ORC subtense angle and the first preheater, and the low-temperature water heating exported from the first preheater is as boiler replenishing water;
Described 2nd ORC subtense angle comprises the second vaporizer, the second preheater, second liquid pump, the second condenser, the second decompressor, decompressor driving arrangement; The outlet of described 3rd decompressor connects the second vaporizer; Second vaporizer, the second preheater, second liquid pump, the second condenser, the second decompressor connect successively, and the second decompressor is connected with the second vaporizer; Second decompressor is connected with decompressor driving arrangement;
Described decompressor driving arrangement is synchronous or is asynchronous pair of output shaft electric machine, and an ORC subtense angle shares a decompressor driving arrangement with the 2nd corresponding ORC subtense angle; Described decompressor driving arrangement, the 3rd decompressor driving arrangement are generator or rotary wasted work equipment; In each ORC subtense angle, the 2nd ORC subtense angle, a part or all of ORC subtense angle shares same condenser with the 2nd corresponding ORC subtense angle.
A kind of flue gas and hot fluid waste heat recycling system, described recycling system comprises: exhaust heat boiler, an at least one ORC subtense angle, at least one 3rd decompressor, at least one 3rd decompressor driving arrangement;
A described ORC subtense angle comprises the first vaporizer, the first preheater, first liquid pump, the first condenser, the first decompressor, decompressor driving arrangement; First vaporizer, the first preheater, first liquid pump, the first condenser, the first decompressor connect successively, and the first decompressor is connected with the first vaporizer; First decompressor is connected with decompressor driving arrangement;
Reciprocating engine tail gas produces high temperature and high pressure steam by exhaust heat boiler, and steam is exported electric energy by least one Cascade or single-stage screw expander or driven rotary wasted work equipment;
The high-temperature-hot-water that exhaust heat boiler produces is by the first vaporizer of an ORC subtense angle and the first preheater, and the low-temperature water heating exported from the first preheater is as boiler replenishing water.
As a preferred embodiment of the present invention, high-temperature-hot-water is produced by the preheater of exhaust heat boiler or external flue gas water-to-water heat exchanger; External flue gas water-to-water heat exchanger flue gas inlet is exhaust-heat boiler flue gas outlet.
As a preferred embodiment of the present invention, steam exports electric energy by Cascade or single-stage screw expander, and in stram condenser, is condensed into water, as the moisturizing of exhaust heat boiler.
As a preferred embodiment of the present invention, flue gas produces high temperature and high pressure steam by exhaust heat boiler, and steam, by after Cascade or single-stage condensed steam type screw expander, exports electric energy by the 2nd ORC subtense angle;
Described 2nd ORC subtense angle comprises the second vaporizer, the second preheater, second liquid pump, the second condenser, the second decompressor, decompressor driving arrangement; The outlet of described 3rd decompressor connects the second vaporizer; Second vaporizer, the second preheater, second liquid pump, the second condenser, the second decompressor connect successively, and the second decompressor is connected with the second vaporizer; Second decompressor is connected with decompressor driving arrangement.
As a preferred embodiment of the present invention, described decompressor driving arrangement is synchronous or is asynchronous pair of output shaft electric machine, and an ORC subtense angle shares a decompressor driving arrangement with the 2nd corresponding ORC subtense angle.Described decompressor driving arrangement, the 3rd decompressor driving arrangement are generator or rotary wasted work equipment.
As a preferred embodiment of the present invention, in each ORC subtense angle, the 2nd ORC subtense angle, a part or all of ORC subtense angle shares same condenser with the 2nd corresponding ORC subtense angle.
As a preferred embodiment of the present invention, multiple stage Reciprocating engine flue gas pools together recovery, or separate unit utilizes; Screw expander adopts tandem direct expansion scheme, or adopts single-stage direct expansion scheme;
Hot water is produced by boiler using steam residual-heat preheating section, or is produced by external flue gas-hot water heat exchanger, and external flue gas water-to-water heat exchanger flue gas inlet is exhaust-heat boiler flue gas outlet.
A kind of flue gas and hot fluid waste heat recycling system, described recycling system comprises: exhaust heat boiler, an at least one ORC subtense angle, at least one 2nd ORC subtense angle, at least one 3rd decompressor, at least one 3rd decompressor driving arrangement;
A described ORC subtense angle comprises the first vaporizer, the first preheater, first liquid pump, the first condenser, the first decompressor, the first decompressor driving arrangement; First vaporizer, the first preheater, first liquid pump, the first condenser, the first decompressor connect successively, and the first decompressor is connected with the first vaporizer; First decompressor is connected with the first decompressor driving arrangement;
The high-temperature-hot-water that exhaust heat boiler produces is by the first vaporizer of an ORC subtense angle and the first preheater, and the low-temperature water heating exported from the first preheater is as boiler replenishing water;
Described 2nd ORC subtense angle comprises the second vaporizer, the second preheater, second liquid pump, the second condenser, the second decompressor, the second decompressor driving arrangement; The outlet of described 3rd decompressor connects the second vaporizer; Second vaporizer, the second preheater, second liquid pump, the second condenser, the second decompressor connect successively, and the second decompressor is connected with the second vaporizer; Second decompressor is connected with the second decompressor driving arrangement;
Described first decompressor driving arrangement, the second decompressor driving arrangement, the 3rd decompressor driving arrangement are generator or rotary wasted work equipment;
Flue gas produces high temperature and high pressure steam by exhaust heat boiler, and after at least one the 3rd decompressor, outlet vapor is by the output electric energy of the 2nd ORC subtense angle; From second preheater export low-temperature water heating as boiler replenishing water.
As a preferred embodiment of the present invention, described first decompressor driving arrangement, the second decompressor driving arrangement are synchronous or are asynchronous pair of output shaft electric machine, and an ORC subtense angle shares a decompressor driving arrangement with the 2nd corresponding ORC subtense angle; Described decompressor driving arrangement, the 3rd decompressor driving arrangement are generator or rotary wasted work equipment;
In each ORC subtense angle, the 2nd ORC subtense angle, a part or all of ORC subtense angle shares same condenser with the 2nd corresponding ORC subtense angle.
Beneficial effect of the present invention is: the flue gas that the present invention proposes and hot fluid waste heat recycling system, can utilize the cogeneration of reciprocating engine, energy-conserving and environment-protective.
Accompanying drawing explanation
Fig. 1 is the composition schematic diagram of flue gas of the present invention and hot fluid waste heat recycling system in embodiment one.
Fig. 2 is the composition schematic diagram of flue gas of the present invention and hot fluid waste heat recycling system in embodiment two.
Fig. 3 is the composition schematic diagram of flue gas of the present invention and hot fluid waste heat recycling system in embodiment three.
Embodiment
The preferred embodiments of the present invention are described in detail below in conjunction with accompanying drawing.
Embodiment one
Refer to Fig. 1, present invention is disclosed a kind of flue gas and hot fluid waste heat recycling system, described recycling system comprises: exhaust heat boiler, an at least one ORC subtense angle, at least one 3rd decompressor, at least one 3rd decompressor driving arrangement, stram condenser.Flue gas comprises reciprocating engine tail gas, gas turbine exhaust gas and other industrial smokes.
A described ORC subtense angle comprises the first vaporizer, the first preheater, first liquid pump, the first condenser, the first decompressor, decompressor driving arrangement; First vaporizer, the first preheater, first liquid pump, the first condenser, the first decompressor connect successively, and the first decompressor is connected with the first vaporizer; First decompressor is connected with decompressor driving arrangement.Described decompressor driving arrangement, the 3rd decompressor driving arrangement can be generator, also can be other rotary wasted work equipment.
Reciprocating engine tail gas produces high temperature and high pressure steam by exhaust heat boiler, and steam exports electric energy by Cascade or single-stage condensed steam type screw expander, and in vapour condenser, is condensed into water, as the moisturizing of exhaust heat boiler.
The high-temperature-hot-water that the preheater of exhaust heat boiler produces is by the first vaporizer of an ORC subtense angle and the first preheater, and the low-temperature water heating exported from the first preheater is as boiler replenishing water.
Embodiment two
Refer to Fig. 2, the difference of the present embodiment and embodiment one is, high-temperature-hot-water is produced by external flue gas water-to-water heat exchanger; External flue gas water-to-water heat exchanger flue gas inlet is exhaust-heat boiler flue gas outlet.External flue gas water-to-water heat exchanger connects the first vaporizer, the first preheater, stram condenser,
In addition, multiple stage Reciprocating engine flue gas pools together recovery, or separate unit utilizes.Screw expander adopts tandem direct expansion scheme, or adopts single-stage direct expansion scheme.
Embodiment three
Refer to Fig. 3, the present invention discloses a kind of flue gas and hot fluid waste heat recycling system, and described recycling system comprises: exhaust heat boiler, an at least one ORC subtense angle, at least one 2nd ORC subtense angle, at least one 3rd decompressor, at least one 3rd decompressor driving arrangement.
A described ORC subtense angle comprises the first vaporizer, the first preheater, first liquid pump, the first condenser, the first decompressor, the first decompressor driving arrangement; First vaporizer, the first preheater, first liquid pump, the first condenser, the first decompressor connect successively, and the first decompressor is connected with the first vaporizer; First decompressor is connected with the first decompressor driving arrangement.
The high-temperature-hot-water that exhaust heat boiler produces is by the first vaporizer of an ORC subtense angle and the first preheater, and the low-temperature water heating exported from the first preheater is as boiler replenishing water.
Described 2nd ORC subtense angle comprises the second vaporizer, the second preheater, second liquid pump, the second condenser, the second decompressor, the second decompressor driving arrangement; The outlet of described 3rd decompressor connects the second vaporizer; Second vaporizer, the second preheater, second liquid pump, the second condenser, the second decompressor connect successively, and the second decompressor is connected with the second vaporizer; Second decompressor is connected with the second decompressor driving arrangement.
Reciprocating engine tail gas produces high temperature and high pressure steam by exhaust heat boiler, and after at least one the 3rd decompressor, outlet vapor is by the output electric energy of the 2nd ORC subtense angle; From second preheater export low-temperature water heating as boiler replenishing water.
Described first decompressor driving arrangement, the second decompressor driving arrangement are synchronous or are asynchronous pair of output shaft electric machine, and an ORC subtense angle shares a decompressor driving arrangement with the 2nd corresponding ORC subtense angle.Described first decompressor driving arrangement, the second decompressor driving arrangement, the 3rd decompressor driving arrangement are generator or rotary wasted work equipment;
In each ORC subtense angle, the 2nd ORC subtense angle, a part or all of ORC subtense angle shares same condenser with the 2nd corresponding ORC subtense angle.
Embodiment four
A kind of flue gas and hot fluid waste heat recycling system, described recycling system comprises: exhaust heat boiler, an at least one ORC subtense angle, at least one 3rd decompressor, at least one 3rd decompressor driving arrangement.
A described ORC subtense angle comprises the first vaporizer, the first preheater, first liquid pump, the first condenser, the first decompressor, decompressor driving arrangement; First vaporizer, the first preheater, first liquid pump, the first condenser, the first decompressor connect successively, and the first decompressor is connected with the first vaporizer; First decompressor is connected with decompressor driving arrangement.
Reciprocating engine tail gas produces high temperature and high pressure steam by exhaust heat boiler, and steam exports electric energy by least one Cascade or single-stage screw expander.
The high-temperature-hot-water that exhaust heat boiler produces is by the first vaporizer of an ORC subtense angle and the first preheater, and the low-temperature water heating exported from the first preheater is as boiler replenishing water.
Hot water is produced by boiler using steam residual-heat preheating section, or is produced by external flue gas-hot water heat exchanger, and external flue gas water-to-water heat exchanger flue gas inlet is exhaust-heat boiler flue gas outlet.
In sum, the flue gas that the present invention proposes and hot fluid waste heat recycling system, can utilize the cogeneration of reciprocating engine, energy-conserving and environment-protective.
Here description of the invention and application is illustrative, not wants by scope restriction of the present invention in the above-described embodiments.Distortion and the change of embodiment disclosed are here possible, are known for the replacement of embodiment those those of ordinary skill in the art and the various parts of equivalence.Those skilled in the art are noted that when not departing from spirit of the present invention or substantive characteristics, the present invention can in other forms, structure, layout, ratio, and to realize with other assembly, material and parts.When not departing from the scope of the invention and spirit, can other distortion be carried out here to disclosed embodiment and change.
Claims (10)
1. a flue gas and hot fluid waste heat recycling system, it is characterized in that, described recycling system comprises: exhaust heat boiler, an at least one ORC subtense angle, at least one 3rd decompressor, at least one 3rd decompressor driving arrangement, stram condenser or the 2nd ORC subtense angle;
A described ORC subtense angle comprises the first vaporizer, the first preheater, first liquid pump, the first condenser, the first decompressor, decompressor driving arrangement; First vaporizer, the first preheater, first liquid pump, the first condenser, the first decompressor connect successively, and the first decompressor is connected with the first vaporizer; First decompressor is connected with decompressor driving arrangement;
Flue gas comprises reciprocating engine tail gas, gas turbine exhaust gas and other industrial smokes, this flue gas produces high temperature and high pressure steam by exhaust heat boiler, steam exports electric energy by Cascade or single-stage condensed steam type screw expander, and in vapour condenser, is condensed into water, as the moisturizing of exhaust heat boiler; Or this flue gas produces high temperature and high pressure steam by exhaust heat boiler, steam, by after Cascade or single-stage condensed steam type screw expander, exports electric energy by the 2nd ORC subtense angle;
The high-temperature-hot-water that the preheater of exhaust heat boiler or external flue gas water-to-water heat exchanger produce is by the first vaporizer of an ORC subtense angle and the first preheater, and the low-temperature water heating exported from the first preheater is as boiler replenishing water;
Described 2nd ORC subtense angle comprises the second vaporizer, the second preheater, second liquid pump, the second condenser, the second decompressor, decompressor driving arrangement; The outlet of described 3rd decompressor connects the second vaporizer; Second vaporizer, the second preheater, second liquid pump, the second condenser, the second decompressor connect successively, and the second decompressor is connected with the second vaporizer; Second decompressor is connected with decompressor driving arrangement;
Described decompressor driving arrangement is synchronous or is asynchronous pair of output shaft electric machine, and an ORC subtense angle shares a decompressor driving arrangement with the 2nd corresponding ORC subtense angle; Described decompressor driving arrangement, the 3rd decompressor driving arrangement are generator or rotary wasted work equipment; In each ORC subtense angle, the 2nd ORC subtense angle, a part or all of ORC subtense angle shares same condenser with the 2nd corresponding ORC subtense angle.
2. flue gas and a hot fluid waste heat recycling system, is characterized in that, described recycling system comprises: exhaust heat boiler, an at least one ORC subtense angle, at least one 3rd decompressor, at least one 3rd decompressor driving arrangement;
A described ORC subtense angle comprises the first vaporizer, the first preheater, first liquid pump, the first condenser, the first decompressor, decompressor driving arrangement; First vaporizer, the first preheater, first liquid pump, the first condenser, the first decompressor connect successively, and the first decompressor is connected with the first vaporizer; First decompressor is connected with decompressor driving arrangement;
Flue gas produces high temperature and high pressure steam by exhaust heat boiler, and steam is exported electric energy by least one Cascade or single-stage screw expander or driven rotary wasted work equipment;
The high-temperature-hot-water that exhaust heat boiler produces is by the first vaporizer of an ORC subtense angle and the first preheater, and the low-temperature water heating exported from the first preheater is as boiler replenishing water.
3. flue gas according to claim 2 and hot fluid waste heat recycling system, is characterized in that:
High-temperature-hot-water is produced by the preheater of exhaust heat boiler or external flue gas water-to-water heat exchanger; External flue gas water-to-water heat exchanger flue gas inlet is exhaust-heat boiler flue gas outlet.
4. flue gas according to claim 2 and hot fluid waste heat recycling system, is characterized in that:
Steam exports electric energy by Cascade or single-stage screw expander, and in stram condenser, is condensed into water, as the moisturizing of exhaust heat boiler.
5. flue gas according to claim 2 and hot fluid waste heat recycling system, is characterized in that:
Flue gas produces high temperature and high pressure steam by exhaust heat boiler, and steam, by after Cascade or single-stage condensed steam type screw expander, exports electric energy by the 2nd ORC subtense angle;
Described 2nd ORC subtense angle comprises the second vaporizer, the second preheater, second liquid pump, the second condenser, the second decompressor, decompressor driving arrangement; The outlet of described 3rd decompressor connects the second vaporizer; Second vaporizer, the second preheater, second liquid pump, the second condenser, the second decompressor connect successively, and the second decompressor is connected with the second vaporizer; Second decompressor is connected with decompressor driving arrangement.
6. flue gas according to claim 5 and hot fluid waste heat recycling system, is characterized in that:
Described decompressor driving arrangement is synchronous or is asynchronous pair of output shaft electric machine, and an ORC subtense angle shares a decompressor driving arrangement with the 2nd corresponding ORC subtense angle; Described decompressor driving arrangement, the 3rd decompressor driving arrangement are generator or rotary wasted work equipment.
7. flue gas according to claim 5 and hot fluid waste heat recycling system, is characterized in that:
In each ORC subtense angle, the 2nd ORC subtense angle, a part or all of ORC subtense angle shares same condenser with the 2nd corresponding ORC subtense angle.
8. flue gas according to claim 2 and hot fluid waste heat recycling system, is characterized in that:
Multiple stage Reciprocating engine flue gas pools together recovery, or separate unit utilizes; Screw expander adopts tandem direct expansion scheme, or adopts single-stage direct expansion scheme;
Hot water is produced by boiler using steam residual-heat preheating section, or is produced by external flue gas-hot water heat exchanger, and external flue gas water-to-water heat exchanger flue gas inlet is exhaust-heat boiler flue gas outlet.
9. a flue gas and hot fluid waste heat recycling system, it is characterized in that, described recycling system comprises: exhaust heat boiler, an at least one ORC subtense angle, at least one 2nd ORC subtense angle, at least one 3rd decompressor, at least one 3rd decompressor driving arrangement;
A described ORC subtense angle comprises the first vaporizer, the first preheater, first liquid pump, the first condenser, the first decompressor, the first decompressor driving arrangement; First vaporizer, the first preheater, first liquid pump, the first condenser, the first decompressor connect successively, and the first decompressor is connected with the first vaporizer; First decompressor is connected with the first decompressor driving arrangement;
The high-temperature-hot-water that exhaust heat boiler produces is by the first vaporizer of an ORC subtense angle and the first preheater, and the low-temperature water heating exported from the first preheater is as boiler replenishing water;
Described 2nd ORC subtense angle comprises the second vaporizer, the second preheater, second liquid pump, the second condenser, the second decompressor, the second decompressor driving arrangement; The outlet of described 3rd decompressor connects the second vaporizer; Second vaporizer, the second preheater, second liquid pump, the second condenser, the second decompressor connect successively, and the second decompressor is connected with the second vaporizer; Second decompressor is connected with the second decompressor driving arrangement;
Described first decompressor driving arrangement, the second decompressor driving arrangement, the 3rd decompressor driving arrangement are generator or rotary wasted work equipment;
Flue gas produces high temperature and high pressure steam by exhaust heat boiler, and after at least one the 3rd decompressor, outlet vapor is by the output electric energy of the 2nd ORC subtense angle; From second preheater export low-temperature water heating as boiler replenishing water.
10. flue gas according to claim 9 and hot fluid waste heat recycling system, is characterized in that:
Described first decompressor driving arrangement, the second decompressor driving arrangement are synchronous or are asynchronous pair of output shaft electric machine, and an ORC subtense angle shares a decompressor driving arrangement with the 2nd corresponding ORC subtense angle;
In each ORC subtense angle, the 2nd ORC subtense angle, a part or all of ORC subtense angle shares same condenser with the 2nd corresponding ORC subtense angle.
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| CN201610008208.7A CN105464729A (en) | 2016-01-07 | 2016-01-07 | Smoke and hot fluid waste heat recycling system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458330A (en) * | 2018-02-28 | 2018-08-28 | 中国天辰工程有限公司 | A kind of high-temperature flue gas waste heat recycling system |
| CN113864012A (en) * | 2021-12-02 | 2021-12-31 | 中国电力工程顾问集团西北电力设计院有限公司 | System and method for comprehensively utilizing residual heat and residual pressure of coal-fired boiler |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85106574A (en) * | 1985-08-31 | 1987-03-18 | 奥马蒂系统公司 | Utilize the modified model cascade power station of low temperature and middle temperature source fluid |
| JPS62298668A (en) * | 1986-06-16 | 1987-12-25 | Fuji Electric Co Ltd | Geothermal power system |
| CN1086290A (en) * | 1992-07-24 | 1994-05-04 | 奥马特工业有限公司 | Utilize the Rankine cycle power plant of organic working medium |
| CN101994532A (en) * | 2010-10-25 | 2011-03-30 | 天津大学 | Screw cascade waste heat energy generating device and generating method |
| CN102191959A (en) * | 2011-03-29 | 2011-09-21 | 冯伟忠 | Step recycling method and device of boiler flue gas waste heat |
| CN102606238A (en) * | 2012-03-23 | 2012-07-25 | 上海齐耀膨胀机有限公司 | Two-stage power system for recovering waste heat by screw expander |
| CN103266924A (en) * | 2013-05-02 | 2013-08-28 | 上海维尔泰克螺杆机械有限公司 | System and method for efficiently generating power from steam |
| CA2885583A1 (en) * | 2013-06-07 | 2014-12-11 | Her Majesty The Queen In Right Of Canada As Represented By The Ministeof Natural Resources | Hybrid rankine cycle |
| CN205349436U (en) * | 2016-01-07 | 2016-06-29 | 上海维尔泰克螺杆机械有限公司 | Flue gas and hot -fluid waste heat recovery utilize system |
-
2016
- 2016-01-07 CN CN201610008208.7A patent/CN105464729A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85106574A (en) * | 1985-08-31 | 1987-03-18 | 奥马蒂系统公司 | Utilize the modified model cascade power station of low temperature and middle temperature source fluid |
| JPS62298668A (en) * | 1986-06-16 | 1987-12-25 | Fuji Electric Co Ltd | Geothermal power system |
| CN1086290A (en) * | 1992-07-24 | 1994-05-04 | 奥马特工业有限公司 | Utilize the Rankine cycle power plant of organic working medium |
| CN101994532A (en) * | 2010-10-25 | 2011-03-30 | 天津大学 | Screw cascade waste heat energy generating device and generating method |
| CN102191959A (en) * | 2011-03-29 | 2011-09-21 | 冯伟忠 | Step recycling method and device of boiler flue gas waste heat |
| CN102606238A (en) * | 2012-03-23 | 2012-07-25 | 上海齐耀膨胀机有限公司 | Two-stage power system for recovering waste heat by screw expander |
| CN103266924A (en) * | 2013-05-02 | 2013-08-28 | 上海维尔泰克螺杆机械有限公司 | System and method for efficiently generating power from steam |
| CA2885583A1 (en) * | 2013-06-07 | 2014-12-11 | Her Majesty The Queen In Right Of Canada As Represented By The Ministeof Natural Resources | Hybrid rankine cycle |
| CN205349436U (en) * | 2016-01-07 | 2016-06-29 | 上海维尔泰克螺杆机械有限公司 | Flue gas and hot -fluid waste heat recovery utilize system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458330A (en) * | 2018-02-28 | 2018-08-28 | 中国天辰工程有限公司 | A kind of high-temperature flue gas waste heat recycling system |
| CN113864012A (en) * | 2021-12-02 | 2021-12-31 | 中国电力工程顾问集团西北电力设计院有限公司 | System and method for comprehensively utilizing residual heat and residual pressure of coal-fired boiler |
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