CN109163571A - Can-type calcine furnace afterheat generating system based on piping-main scheme - Google Patents
Can-type calcine furnace afterheat generating system based on piping-main scheme Download PDFInfo
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- CN109163571A CN109163571A CN201810979603.9A CN201810979603A CN109163571A CN 109163571 A CN109163571 A CN 109163571A CN 201810979603 A CN201810979603 A CN 201810979603A CN 109163571 A CN109163571 A CN 109163571A
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- calcined coke
- steam
- water
- superheater
- main pipe
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
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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
- F01K11/02—Plants characterised by the engines being structurally combined with boilers or condensers the engines being turbines
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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
- F01K27/00—Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for
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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
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/50—Feed-water heaters, i.e. economisers or like preheaters incorporating thermal de-aeration of feed-water
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
Can-type calcine furnace afterheat generating system based on piping-main scheme includes steam turbine, generator, high steam main pipe, low-pressure steam main pipe and at least a set of cogeneration subsystem, any set cogeneration subsystem includes can-type calcine furnace, calcined coke cooling device, waste heat boiler, the high-temperature flue gas that can-type calcine furnace comes out exchanges heat cooling in waste heat boiler, it include the second superheater in the waste heat boiler of any set cogeneration subsystem, evaporator, first superheater, economizer, the venthole of each second superheater is connected to by high steam main pipe with the main steam ports of steam turbine, the venthole of each first superheater is connected to by low-pressure steam main pipe with the filling mouth of steam turbine, steam turbine is connected with generator.Compact layout, cost of investment are low.Calcined coke cooling device is designed to classification refrigerating mode, the calcined coke temperature drift avoided, calcined coke high-temperature residual heat is recycled by calcined coke cooling device, and is generated electricity for driving steam turbine, promotes the resource utilization of calcine technology.
Description
Technical field
The present invention relates to carbon industry technical field of waste heat utilization, specifically, being related to a kind of pot type based on piping-main scheme
Calcining furnace afterheat generating system.
Background technique
Carbon material is one of primary raw material of electrolytic aluminium production process, and the production of carbon material product is to restrict aluminum i ndustry
The key link of development.China's aluminum i ndustry develops in recent years enters express passway, and aluminium cathode develops therewith, carbon material system
Product production capacity develops from the ten-million-ton scale of megaton increase till now several years ago with certain speedup.
Can-type calcine furnace is one of the capital equipment in charcoal element production technology, can be calcined the petroleum of different volatile contents
Coke, the bulk density that there is calcination to expect that quality is stable, carbon burnt loss rate is low, burnt after forging is high, easy to operate, maintenance workload is small,
Therefore the advantages that continuous production period is long is widely used in charcoal ink factory and aluminium manufacturer.
When being calcined using calcining furnace to raw material, the heat that volatile fraction in petroleum coke burning generates removes to be calcined petroleum
Except needed for burnt, it is discharged there are also a large amount of surplus heat with flue gas, flue-gas temperature is even as high as 900 DEG C.According to heat Balance Calculation,
Raw material calcination heat absorption only accounts for the 33.5% of calcining furnace heat expenditure, and is calcined the heat that flue gas is taken away and accounts for entire calcining furnace heat branch
Out 47.9%.However, that is, flue-gas temperature is high, but exhaust gas volumn is small, this is resulted in since calcining kiln gas has a obvious characteristic
Charcoal ink factory is less positive for the waste heat recycling of calcining furnace high-temperature flue gas, or even there are many charcoal ink factories to use air-blast cooled side
Cryogenic air is mixed into high-temperature flue gas by high power air blowers by formula, carry out forced cooling and then drain into atmosphere, cause preciousness
Fume afterheat resource waste, and the newly-increased power consumption of high power air blowers also brings mentioning for charcoal element production cost
It rises.
In addition, the high temperature calcined coke (temperature is up to 1000 DEG C) of can-type calcine furnace discharge outlet also contains a large amount of sensible heat,
Currently used method is that cooling jacket is arranged below calcining furnace, is carried out by recirculated cooling water to high temperature calcined coke cold
But, the calcined coke indirect heat exchange of the cooling water in cooling jacket and calcining furnace, the cooling water after heat absorption, which is sent to cooling tower, to radiate, so
After return to water jacket, intake as cooling jacket, so recycle, it is clear that this mode results in the waste of a large amount of thermal energy.
Therefore, if a set of calcining furnace afterheat utilizing system can be constructed, to the calcining furnace flue gas exhaust heat of charcoal ink factory and after forging
Burnt waste heat carries out high efficiente callback, can necessarily generate considerable economic well-being of workers and staff.
Summary of the invention
In order to solve the above problem, the present invention provides a kind of can-type calcine furnace afterheat generating system based on piping-main scheme, including
Steam turbine (4), generator (5), high steam main pipe (14), low-pressure steam main pipe (15) and at least a set of cogeneration subsystem
System, any set cogeneration subsystem all include at least can-type calcine furnace (1), calcined coke cooling device (2), waste heat boiler (3),
The discharge port of the can-type calcine furnace is connected to the feed inlet of the calcined coke cooling device, the height that the can-type calcine furnace comes out
Warm calcined coke exchanges heat cooling in calcined coke cooling device, and the exhanst gas outlet of the can-type calcine furnace then with the waste heat boiler
Gas inlet connection, the high-temperature flue gas that the can-type calcine furnace comes out exchange heat cooling in waste heat boiler, and any set waste heat is sent out
It include the second superheater (301), evaporator (302), the first superheater (303), economizer in the waste heat boiler of electronic system
(304), the venthole of each second superheater (301) is connected to by high steam main pipe (14) with the main steam ports of steam turbine (4), respectively
The venthole of first superheater (303) is connected to by low-pressure steam main pipe (15) with the filling mouth of steam turbine (4), steam turbine (4)
It is connected with generator (5).
Preferably, in any set cogeneration subsystem, the calcined coke cooling device includes calcined coke Vaporizing cooling mould
Block (201) and calcined coke water cooling module (202), the calcined coke Vaporizing cooling module is located at the high temperature side of calcined coke, described to forge
Burnt water cooling module is located at calcined coke low temperature side afterwards.
Preferably, afterheat generating system further includes oxygen-eliminating device (8), condenser (6), condensate pump (7), oxygen-eliminating device water inlet mother
(16), high-pressure feed water main pipe (17), low pressure feed water main pipe (18), condensate pump main water outlet pipe (19) are managed, and any set waste heat is sent out
Electronic system further includes low pressure drum (10), high pressure drum (13), low pressure feed water pump (9), high pressure water pump (12), the steamer
The steam drain of machine is sequentially connected to condenser (6), condensate pump (7), condensate pump main water outlet pipe (19) along carbonated drink flow direction, described
Condensate pump main water outlet pipe (19) is connected to the water inlet of each calcined coke water cooling module (202), each calcined coke water cooling module (202)
Water outlet and the water inlet of oxygen-eliminating device (8) be connected to by oxygen-eliminating device main pipe 16 of intaking, the first water outlet of the oxygen-eliminating device (8)
It is sequentially connected to low pressure feed water pump (9), low pressure feed water main pipe (18), the low pressure feed water main pipe (18) and each low pressure drum (10)
Water inlet connection, supply water to each low pressure drum (10), the second water outlet of the oxygen-eliminating device 8 and high pressure water pump 12, high pressure
Water supply main pipe 17 is sequentially connected to, the water inlet of the high-pressure feed water main pipe (17) and each economizer (304), each high pressure drum (13)
It is sequentially connected to, supplies water to each high pressure drum (13).
Preferably, in any set cogeneration subsystem, each low pressure drum (10) by the first down-comer (101) with it is described
The water inlet of calcined coke Vaporizing cooling module (201) is connected to, and passes through the first tedge (102) and calcined coke Vaporizing cooling module
(201) venthole connection, forms a low pressure vapor circulation loop.
Preferably, in any set cogeneration subsystem, the high pressure drum (13) passes through the second down-comer (131) and institute
The water inlet connection for stating the evaporator (302) of waste heat boiler, passes through the evaporator of the second tedge (132) and the waste heat boiler
(302) venthole is connected to, and forms high pressure steam/water circulating circuit.
Preferably, in any set cogeneration subsystem, steam (vapor) outlet and the waste heat boiler of the low pressure drum
The air intake of first superheater is connected to, and the outlet saturated vapor of the low pressure drum is sent into first superheater and is overheated；
The air intake of second superheater of the steam (vapor) outlet and waste heat boiler of the high pressure drum is connected to, and the outlet of high pressure drum is full
Second superheater is sent into steam to be overheated.
Preferably, in any set cogeneration subsystem, second superheater, evaporator, the first superheater, economizer
It is sequentially arranged along flue gas flow direction in the waste heat boiler.
Preferably, the steam turbine is additionally provided with low-pressure pumping steam mouth, the heating steam of the low-pressure pumping steam mouth and oxygen-eliminating device
Inlet communication provides deoxygenation vapour for the oxygen-eliminating device.
Preferably, any set cogeneration subsystem further includes circulating pump (11), and the circulating pump (11) is set to first
On down-comer (101), to drive the low pressure vapor between the low pressure drum (10) and the calcined coke Vaporizing cooling module strong
System circulation.
The beneficial effects of the present invention are:
1) a kind of can-type calcine furnace afterheat generating system based on piping-main scheme is constructed, more than the calcined coke of can-type calcine furnace
Heat and fume afterheat carry out unified recycling, and are designed to integral system, to calcined coke sensible heat using calcined coke cooling device into
Obvious heat of smoke is recycled in row recycling using waste heat boiler, and the saturated vapor that calcined coke cooling device generates is sent into waste heat pot
Furnace is overheated, and the superheated steam of heat boiler outlet enters steam turbine, and driving steam turbine acting power generation realizes pot type calcining
Furnace calcined coke and fume afterheat integration recycle.In addition, the less feature of steam production is corresponded to for every set can-type calcine furnace,
The present invention designs system to the piping-main scheme mode that more calcining furnaces supply a steam turbine, has not only saved Turbo-generator Set
Quantity, and increase the single-machine capacity of Turbo-generator Set, improve the generating efficiency of unit.The whole series heating power system of the invention
Rationally, compact layout, occupied area is small, cost of investment is low for system design.
2) for calcined coke high-temperature residual heat, compared with using the cooling usual manner of water jacket, the present invention is cold by calcined coke
But device is recycled, and is converted to valuable steam resource, and generate electricity for driving steam turbine, is greatly improved calciner
The resource utilization of skill reduces the outer purchase of electricity of charcoal ink factory, reduces the production cost of charcoal ink factory.
3) in terms of calcined coke design of Cooling System, calcined coke cooling device is designed to classification refrigerating mode by the present invention,
It for the calcined coke sensible heat of high-temperature region, is absorbed using the higher calcined coke apparatus for vapour-cooling of grade, for passing through level-one
Low temperature calcined coke sensible heat after heat exchange cooling, is absorbed, and add level-one and forge using the lower calcined coke water cooling plant of grade
Burnt water cooling plant is cooled down twice calcined coke afterwards, has not only further recycled calcined coke waste heat, it is often more important that, it is also effective
It solves the problems, such as that the calcined coke temperature drift that calcined coke apparatus for vapour-cooling likely results in only is arranged.
4) in boiler circuit design aspect, it is contemplated that the service condition of calcined coke apparatus for vapour-cooling, and in order to ensure it
Cooling effect, calcined coke apparatus for vapour-cooling is designed to low pressure vapor system by the present invention, and uses forced circulation mode, is passed through
Circulating pump drives the circular flow of entire boiler circuit, and for the steam/water circulating of waste heat boiler, then it is designed to Natural Circulation mould
Formula, to reduce system power consumption, so that package unit has effectively taken into account system under conditions of guarantee system is safe and reliable
Energy-saving run.
Detailed description of the invention
By the way that embodiment is described in conjunction with following accompanying drawings, features described above of the invention and technological merit will become
More understands and be readily appreciated that.
Fig. 1 is the process flow for indicating the can-type calcine furnace afterheat generating system based on piping-main scheme of the embodiment of the present invention
Figure.
Specific embodiment
The can-type calcine furnace afterheat generating system of the present invention based on piping-main scheme described below with reference to the accompanying drawings
Embodiment.Those skilled in the art will recognize, without departing from the spirit and scope of the present invention, can be with
Described embodiment is modified with a variety of different modes or combinations thereof.Therefore, attached drawing and description are inherently said
Bright property, it is not intended to limit the scope of the claims.In addition, in the present specification, attached drawing is drawn not in scale, and
And identical appended drawing reference indicates identical part.
Can-type calcine furnace afterheat generating system based on piping-main scheme includes at least a set of cogeneration subsystem, any waste heat
Power generation sub-system all includes at least can-type calcine furnace 1, calcined coke cooling device 2, waste heat boiler 3, low pressure drum 10, high pressure drum
13, low pressure feed water pumps 9, high pressure water pump 12.And cover more cogeneration subsystem share steam turbine 4, generator 5, oxygen-eliminating device 8,
Condenser 6, condensate pump 7, high steam main pipe 14, low-pressure steam main pipe 15, oxygen-eliminating device water inlet main pipe 16, high-pressure feed water main pipe
17, low pressure feed water main pipe 18, condensate pump main water outlet pipe 19.Hereinafter only said by taking a set of cogeneration subsystem as an example
It is bright.
Wherein, the discharge port of the can-type calcine furnace 1 is connected to the feed inlet of the calcined coke cooling device 2, the tank
The high temperature calcined coke that formula calcining furnace 2 comes out exchanges heat cooling in calcined coke cooling device 2.And the flue gas of the can-type calcine furnace 1
Outlet is then connected to the gas inlet of the waste heat boiler 3, and the high-temperature flue gas that the can-type calcine furnace 1 comes out is in waste heat boiler 3
Middle heat exchange cooling.Preferably, the calcined coke cooling device 2 includes calcined coke Vaporizing cooling module 201 and calcined coke water cooled mo(u)ld
Block 202, the calcined coke Vaporizing cooling module 201 are located at the high temperature side of calcined coke, and the calcined coke water cooling module 202, which is located at, forges
Burnt low temperature side afterwards.
The waste heat boiler 3 is internally provided with multistage heating surface, including the second superheater 301, evaporator 302, first
Superheater 303, economizer 304.The venthole of second superheater 301 passes through the master of high steam main pipe 14 and steam turbine 4
Steam ports connection covers cogeneration subsystems if having, then the second superheater of the waste heat boiler 3 of each cogeneration subsystem more
301 venthole is all connected to high steam main pipe 14.As shown in Figure 1, the venthole of N number of second superheater 301 all with high pressure
Steam main pipe 14 is connected to.The venthole of first superheater 303 is connected by the filling mouth of low-pressure steam main pipe 15 and steam turbine 4
It is logical (if having cover cogeneration subsystems, then the first superheater 303 of the waste heat boiler 3 of each cogeneration subsystem
Venthole all with 15 connection of low-pressure steam main pipe), the steam turbine 4 is connected with the generator 5, and the steam turbine 4 drags institute
State the power generation of generator 5.The steam drain and condenser 6, condensate pump 7, condensate pump main water outlet pipe 19 of the steam turbine 4 are along carbonated drink
Flow direction is sequentially connected to, and the condensate pump main water outlet pipe 19 is connected to the water inlet of calcined coke water cooling module 202, calcined coke water cooling
The water outlet of module 202 is connected to by oxygen-eliminating device water inlet main pipe 16 (if there is more set cogenerations with the water inlet of oxygen-eliminating device 8
System, then water outlet with oxygen-eliminating device the water inlet main pipe 16 of the calcined coke water cooling module 202 of each cogeneration subsystem connect
It is logical).First water outlet of the oxygen-eliminating device 8 is sequentially connected to low pressure feed water pump 9, low pressure feed water main pipe 18, the low pressure feed water
Main pipe 18 is connected to the water inlet of low pressure drum 10, supply water to the low pressure drum 10 (if having cover cogeneration subsystems,
Then low pressure feed water main pipe 18 is connected to the water inlet of the low pressure drum 10 of each cogeneration subsystem).The of the oxygen-eliminating device 8
Two water outlets are sequentially connected to high pressure water pump 12, high-pressure feed water main pipe 17, the high-pressure feed water main pipe 17 and economizer 304,
The water inlet of high pressure drum 13 is sequentially connected to, and is supplied water to the high pressure drum 13 (if there is more set cogeneration subsystems, then high
Pressure water supply main pipe 17 is sequentially connected to the water inlet of the economizer 304 of each cogeneration subsystem, high pressure drum 13).
The low pressure drum 10 is connected by the first down-comer 101 and the water inlet of the calcined coke Vaporizing cooling module 201
It is logical, it is connected to by the first tedge 102 with the venthole of calcined coke Vaporizing cooling module 201, forms a low pressure vapor circulation
Circuit, the low pressure drum 10 is the water supply of calcined coke Vaporizing cooling module 201, and the steam water interface for generating to it carries out
Separation.
The high pressure drum 13 is connected by the water inlet of the second down-comer 131 and the evaporator 302 of the waste heat boiler 3
It is logical, it is connected to by the second tedge 132 with 302 venthole of evaporator of the waste heat boiler 3, forms a high pressure steam/water circulating
Circuit, the high pressure drum 13 are the evaporator 302 water supply, and for separating to the steam water interface that it is generated.
The steam (vapor) outlet of the low pressure drum 10 is connected to the air intake of the first superheater 303 of the waste heat boiler 3, institute
The outlet saturated vapor for stating low pressure drum 10 is sent into first superheater 303 and is overheated.
The steam (vapor) outlet of the high pressure drum 13 is connected to the air intake of the second superheater 301 of the waste heat boiler 3, high
The outlet saturated vapor of pressure drum 13 is sent into second superheater 301 and is overheated.
In one alternate embodiment, second superheater 301, evaporator 302, the first superheater 303, economizer
304 sequentially arrange in waste heat boiler 3 along flue gas flow direction.
In one alternate embodiment, the steam turbine 4 is additionally provided with low-pressure pumping steam mouth, the low-pressure pumping steam mouth and deoxygenation
The heating steam inlet of device 8 is connected to, and provides deoxygenation vapour for the oxygen-eliminating device 8.
It in one alternate embodiment, further include circulating pump 11, the circulating pump 11 is set on the first down-comer 101,
To drive the low pressure vapor forced circulation between the low pressure drum 10 and the calcined coke Vaporizing cooling module 201.
The above description is only a preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of can-type calcine furnace afterheat generating system based on piping-main scheme, which is characterized in that including steam turbine (4), generator
(5), high steam main pipe (14), low-pressure steam main pipe (15) and at least a set of cogeneration subsystem, any set cogeneration
Subsystem all includes at least can-type calcine furnace (1), calcined coke cooling device (2), waste heat boiler (3), the can-type calcine furnace
Discharge port is connected to the feed inlet of the calcined coke cooling device, and the high temperature calcined coke that the can-type calcine furnace comes out is in calcined coke
Exchange heat cooling in cooling device, and the exhanst gas outlet of the can-type calcine furnace is then connected to the gas inlet of the waste heat boiler,
The high-temperature flue gas that the can-type calcine furnace comes out exchanges heat cooling in waste heat boiler,
It include the second superheater (301), evaporator (302), the first overheat in the waste heat boiler of any set cogeneration subsystem
The venthole of device (303), economizer (304), each second superheater (301) passes through high steam main pipe (14) and steam turbine (4)
The connection of main steam ports, the venthole of each first superheater (303) passes through the filling mouth of low-pressure steam main pipe (15) and steam turbine (4)
Connection, steam turbine (4) are connected with generator (5).
2. the can-type calcine furnace afterheat generating system according to claim 1 based on piping-main scheme, which is characterized in that Ren Yitao
In cogeneration subsystem, the calcined coke cooling device includes calcined coke Vaporizing cooling module (201) and calcined coke water cooled mo(u)ld
Block (202), the calcined coke Vaporizing cooling module are located at the high temperature side of calcined coke, and the calcined coke water cooling module is located at calcined coke
Low temperature side.
3. the can-type calcine furnace afterheat generating system according to claim 2 based on piping-main scheme, which is characterized in that waste heat hair
Electric system further includes oxygen-eliminating device (8), condenser (6), condensate pump (7), oxygen-eliminating device water inlet main pipe (16), high-pressure feed water main pipe
(17), low pressure feed water main pipe (18), condensate pump main water outlet pipe (19), and any set cogeneration subsystem further includes low pressure cooker
Cylinder (10), high pressure drum (13), low pressure feed water pump (9), high pressure water pump (12),
The steam drain of the steam turbine and condenser (6), condensate pump (7), condensate pump main water outlet pipe (19) are flowed to along carbonated drink
It is sequentially connected to, the condensate pump main water outlet pipe (19) is connected to the water inlet of each calcined coke water cooling module (202), each calcined coke
The water outlet of water cooling module (202) is connected to the water inlet of oxygen-eliminating device (8) by oxygen-eliminating device water inlet main pipe 16, the oxygen-eliminating device
(8) the first water outlet is sequentially connected to low pressure feed water pump (9), low pressure feed water main pipe (18), the low pressure feed water main pipe (18)
It is connected to the water inlet of each low pressure drum (10), supplies water to each low pressure drum (10), the second water outlet and height of the oxygen-eliminating device 8
Pressure feed pump 12, high-pressure feed water main pipe 17 are sequentially connected to, the high-pressure feed water main pipe (17) and each economizer (304), each high pressure
The water inlet of drum (13) is sequentially connected to, and is supplied water to each high pressure drum (13).
4. the can-type calcine furnace afterheat generating system according to claim 2 based on piping-main scheme, which is characterized in that Ren Yitao
In cogeneration subsystem, each low pressure drum (10) passes through the first down-comer (101) and the calcined coke Vaporizing cooling module
(201) water inlet connection, is connected to by the first tedge (102) with the venthole of calcined coke Vaporizing cooling module (201), shape
At a low pressure vapor circulation loop.
5. the can-type calcine furnace afterheat generating system according to claim 1 based on piping-main scheme, which is characterized in that Ren Yitao
In cogeneration subsystem, the high pressure drum (13) passes through the evaporator of the second down-comer (131) and the waste heat boiler
(302) water inlet connection, is connected to by the second tedge (132) with evaporator (302) venthole of the waste heat boiler, shape
At high pressure steam/water circulating circuit.
6. the can-type calcine furnace afterheat generating system according to claim 1 based on piping-main scheme, which is characterized in that Ren Yitao
In cogeneration subsystem,
The air intake of first superheater of the steam (vapor) outlet and waste heat boiler of the low pressure drum is connected to, the low pressure drum
Outlet saturated vapor be sent into first superheater and overheated；
The air intake of second superheater of the steam (vapor) outlet and waste heat boiler of the high pressure drum is connected to, and high pressure drum goes out
Mouth saturated vapor is sent into second superheater and is overheated.
7. the can-type calcine furnace afterheat generating system according to claim 1 based on piping-main scheme, which is characterized in that Ren Yitao
In cogeneration subsystem, second superheater, evaporator, the first superheater, economizer are in the waste heat boiler along flue gas stream
To sequentially arranging.
8. the can-type calcine furnace afterheat generating system according to claim 1 based on piping-main scheme, which is characterized in that the vapour
Turbine is additionally provided with low-pressure pumping steam mouth, and the low-pressure pumping steam mouth is connected to the heating steam inlet of oxygen-eliminating device, is the oxygen-eliminating device
Deoxygenation vapour is provided.
9. the can-type calcine furnace afterheat generating system according to claim 1 based on piping-main scheme, which is characterized in that Ren Yitao
Cogeneration subsystem further includes circulating pump (11), and the circulating pump (11) is set on the first down-comer (101), to drive
State the low pressure vapor forced circulation between low pressure drum (10) and the calcined coke Vaporizing cooling module.
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| CN201810979603.9A CN109163571B (en) | 2018-08-27 | 2018-08-27 | Pot-type calcining furnace waste heat power generation system based on header pipe system |
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| CN201810979603.9A CN109163571B (en) | 2018-08-27 | 2018-08-27 | Pot-type calcining furnace waste heat power generation system based on header pipe system |
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| CN109163571A true CN109163571A (en) | 2019-01-08 |
| CN109163571B CN109163571B (en) | 2020-07-14 |
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| CN110579114A (en) * | 2019-10-08 | 2019-12-17 | 江苏欧姆圣智能装备股份有限公司 | Waste heat recovery steam generator of steel wire heat treatment furnace |
| CN111964464A (en) * | 2020-08-28 | 2020-11-20 | 焦作市英利经贸有限公司 | Waste heat power generation system of calcining furnace |
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| CN111964464A (en) * | 2020-08-28 | 2020-11-20 | 焦作市英利经贸有限公司 | Waste heat power generation system of calcining furnace |
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