CN107144146A - Can-type calcine furnace afterheat utilizing system based on piping-main scheme - Google Patents

Can-type calcine furnace afterheat utilizing system based on piping-main scheme Download PDF

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CN107144146A
CN107144146A CN201710514738.3A CN201710514738A CN107144146A CN 107144146 A CN107144146 A CN 107144146A CN 201710514738 A CN201710514738 A CN 201710514738A CN 107144146 A CN107144146 A CN 107144146A
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water
steam
main
waste heat
water jacket
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CN107144146B (en
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江文豪
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Huatian Engineering and Technology Corp MCC
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Huatian Engineering and Technology Corp MCC
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/004Systems for reclaiming waste heat
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22BMETHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00Methods of steam generation characterised by form of heating method
    • F22B1/02Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
    • F22B1/18Methods 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/004Systems for reclaiming waste heat
    • F27D2017/006Systems for reclaiming waste heat using a boiler
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Environmental & Geological Engineering (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chimneys And Flues (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Abstract

The present invention provides a kind of can-type calcine furnace afterheat utilizing system based on piping-main scheme, including many can-type calcine furnaces, water jacket water inlet main pipe, water jacket main water outlet pipe, many waste heat boilers, steam main, steam turbine and condenser, the exhanst gas outlet of each can-type calcine furnace is connected with the gas approach of each waste heat boiler;The steam (vapor) outlet of many waste heat boilers is connected by steam main with the steam inlet of the steam turbine;The steam drain of the steam turbine is connected with the air intake of the condenser;The cooling water inlet of the condenser is connected with the water return pipeline of outside networks of heat supply;The coolant outlet of the condenser is connected by water jacket water inlet main pipe with the cooling water inlet of the Water Jacket in Calciner of each can-type calcine furnace;The hot water outlet of the Water Jacket in Calciner of many can-type calcine furnaces is connected by water jacket main water outlet pipe with the water supply line of outside networks of heat supply, is provided out hot water.The fume afterheat and jacket water waste heat of many calcining furnaces are carried out efficiently integrated recycling by the system.

Description

Can-type calcine furnace afterheat utilizing system based on piping-main scheme
Technical field
The present invention relates to carbon industry technical field of waste heat utilization, more particularly to a kind of can-type calcine furnace based on piping-main scheme Afterheat utilizing system.
Background technology
Carbon material is one of primary raw material of electrolytic aluminium production process, and the production of carbon material product is restriction aluminum i ndustry The key link of development.China's aluminum i ndustry developed 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 capital equipment in the plain production technology of charcoal, can be calcined the oil of different volatile contents Jiao, with calcination material steady quality, carbon burnt loss rate be low, after forging, burnt bulk density is high, simple to operate, maintenance workload is small, The advantages of continuously production cycle is long, therefore, 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 is produced, which is removed, to be available for being calcined oil Outside needed for burnt, also substantial amounts of surplus heat is discharged with flue gas, and 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 taken away and accounts for whole calcining furnace heat branch 47.9% gone out.However, because calcining kiln gas has individual obvious characteristic, i.e. flue-gas temperature high, but exhaust gas volumn is small, this is resulted in Charcoal ink factory is less positive for the waste heat recovery of calcining furnace high-temperature flue gas, or even has many charcoal ink factories to use air-blast cooled side Formula, i.e., be mixed into high-temperature flue gas by high power air blowers by Cryogenic air, carries out forced cooling and then drains into air, causes preciousness Fume afterheat resource waste, and the newly-increased power consumption of high power air blowers also brings carrying for the plain production cost of charcoal Rise.
In addition, can-type calcine furnace is provided with cooling jacket in discharge end, for high temperature calcined coke (up to 1000 DEG C with On) cooled down, the calcined coke indirect heat exchange of cooling water and calcining furnace in cooling jacket, the cooling water after heat absorption delivers to cooling Tower radiates, and then returns to water jacket, is intake as cooling jacket, so circulation.The cooling water water outlet of water jacket, which is contained, a large amount of Heat, quantity is considerable, but its maximum inferior position is that temperature is too low, only 50 DEG C or so, belongs to low temperature exhaust heat, product Position is extremely low, so it utilizes extremely difficult, charcoal ink factory does not take into account that typically to be recycled to the part of heat energy.
The content of the invention
The present invention is made to solve above-mentioned technical problem present in prior art, and its object is to provide one kind Comprehensive reutilization can be carried out to residual heat resources such as calcining kiln gas, the jacket waters of charcoal ink factory, by high temperature, low discharge Fume afterheat and low temperature, the jacket water waste heat of big flow carry out can-type calcine furnace waste heat profit of the high efficiente callback based on piping-main scheme Use system.
To achieve these goals, the present invention provides a kind of can-type calcine furnace afterheat utilizing system based on piping-main scheme, bag Include many can-type calcine furnaces, water jacket water inlet main pipe, water jacket main water outlet pipe, many waste heat boilers, steam main, steam turbine and condensing Device, wherein, the exhanst gas outlet of each can-type calcine furnace is connected with the gas approach of each waste heat boiler, the pot type calcining The high-temperature flue gas that stove comes out exchanges heat cooling in waste heat boiler;The steam (vapor) outlet of many waste heat boilers by steam main with it is described The steam inlet connection of steam turbine, the steam of the steam (vapor) outlet of each waste heat boiler collects in the steam main, the steam Steam in main pipe enters the steam turbine, drives the steam turbine rotation acting;The steam drain of the steam turbine coagulates with described The air intake connection of vapour device;The cooling water inlet of the condenser is connected with the water return pipeline of outside networks of heat supply, and the condenser leads to The backwater for crossing outside networks of heat supply is cooled down;The coolant outlet of the condenser passes through water jacket water inlet main pipe and each can-type calcine furnace Water Jacket in Calciner cooling water inlet connection, the cooling water of the coolant outlet of the condenser intakes main pipe in the water jacket In collect, be then divided into the cooling water inlet that multiple branch roads respectively enter the Water Jacket in Calciner of each can-type calcine furnace, to each pot type The Water Jacket in Calciner of calcining furnace is cooled down;The hot water outlet of the Water Jacket in Calciner of many can-type calcine furnaces passes through water jacket main water outlet Pipe is connected with the water supply line of outside networks of heat supply, and the hot water of the hot water outlet of the Water Jacket in Calciner is in the water jacket main water outlet pipe Collect, be then sent to outside networks of heat supply water supply line, be provided out hot water.
Described afterheat utilizing system, wherein, in addition to flue gas main pipe, air-introduced machine, desulfurizer and chimney, described many The exhanst gas outlet of waste heat boiler is sequentially connected by flue gas main pipe with the air-introduced machine, desulfurizer and chimney along flue gas flow direction, The smoke evacuation of many waste heat boilers is carried out at desulfurization after entering air-introduced machine boosting by the flue gas main pipe by desulfurizer Reason, is then arranged to air by chimney.
Described afterheat utilizing system, wherein, in addition to condensate pump, deaerated feedwater system and feed main, it is described solidifying The condensation water out of vapour device is entered with condensate pump, deaerated feedwater system by the feedwater of feed main and many waste heat boilers Opening's edge condenses current direction and sequentially connected, and the condensate of the condensation water out of the condenser is laggard by condensate pump pressurization Enter deaerated feedwater system to be handled, being then divided into multiple branch roads by feed main respectively enters each waste heat boiler.
Described afterheat utilizing system, wherein, the steam turbine is provided with extraction opening, and the steam of the extraction opening discharge is The deaerated feedwater system provides heating vapour source.
Described afterheat utilizing system, wherein, the deaerated feedwater system includes oxygen-eliminating device and feed pump, the steam turbine Extraction opening connected with the heating steam inlet of the oxygen-eliminating device, for the oxygen-eliminating device provide heating vapour source, the oxygen-eliminating device Delivery port is connected with the water inlet of the feed pump, and the delivery port of the feed pump passes through feed main and many waste heat boilers Feed-water inlet is connected.
Described afterheat utilizing system, wherein, in addition to generator, the generator is coaxially connected with the steam turbine, The steam turbine drags the electrical power generators.
Described afterheat utilizing system, wherein, the cooling water inlet of the Water Jacket in Calciner is located at the low of Water Jacket in Calciner Wen Duan, the hot water outlet of the Water Jacket in Calciner is located at the temperature end of Water Jacket in Calciner.
The beneficial effects of the present invention are:
1) because the flue-gas temperature of can-type calcine furnace is high, grade is high, therefore waste heat boiler combination Turbo-generator Set is passed through High-grade smoke heat energy is converted to the electric energy of high-quality;Simultaneously by the recirculated cooling water of turbine condenser and calcining furnace Jacket water waste heat is reclaimed, it is contemplated that cooling water temperature is low, grade is low, and waste heat is difficult with, therefore by more than cooling water Heat is used for external hot-water supply, with traditional recirculated cooling water compared with cooling tower is arranged to by way of air, with significant Economic benefit;
2) the jacket water heat-exchange system of steam turbine, the recirculated cooling water of condenser and calcining furnace uses series system, Cooling water is introduced into condenser cooling system and once exchanged heat, and subsequently into water jacket cooling secondary system heat exchange, this is abundant Consider the optimization design after two heat-exchange system thermal source features, it is compared with parallel, and the cooling water needed for system is total Amount significantly reduces, and compared with the series system of condenser cooling system is entered back into being introduced into water jacket cooling system, it is clear that this hair It is bright to be obviously improved the cooling effect of condenser, condenser vacuum is improved, so as to greatly improve the generating of Turbo-generator Set Amount;
3) present invention constructs a kind of can-type calcine furnace afterheat utilizing system based on piping-main scheme, to charcoal ink factory's calcining furnace Several residual heat resources are made overall planning, first according to the high temperature of calcining kiln gas, low discharge feature, using waste heat boiler to cigarette Gas waste heat is reclaimed, and is converted into steam resource, while generally configuring many calcining furnaces and separate unit calcining in view of charcoal ink factory Kiln gas amount and the less feature of correspondence steam production, piping-main scheme is designed as by waste heat boiler smoke evacuation and steam, and steam leads to after collecting Cross steam turbine to be utilized, flue gas carries out concentrating purification and discharge after collecting;Then to circulating water in turbine condenser waste heat and Water Jacket in Calciner waste heat carries out integrated recovery, and the backwater of outside heat supply network is used for the cooling of condenser, and condenser outlet circulation is cold But water continues on for the cooling of each Water Jacket in Calciner, and the outlet cooling water of each Water Jacket in Calciner is also designed to piping-main scheme, converges Concentrated after collection to outside heat supply network hot-water supply, complete the highly integrated utilization to can-type calcine furnace waste heat, realize heat energy ladder Level is utilized and science energy;
4) integrated heat efficiency of a whole set of afterheat utilizing system of the present invention is up to more than 80%, more simple cogeneration mode phase Than (the overall thermal efficiency can only achieve 25% or so), comprehensive utilization rate of energy source is significantly improved.
Brief description of the drawings
By reference to detailed description below content and with reference to accompanying drawing, other purposes of the invention and result will more Plus understand and should be readily appreciated that.In the accompanying drawings:
Fig. 1 is the schematic diagram of the can-type calcine furnace afterheat utilizing system of the present invention based on piping-main scheme.
Embodiment
In the following description, for purposes of illustration, in order to provide the comprehensive understanding to one or more embodiments, explain Many details are stated.It may be evident, however, that these embodiments can also be realized in the case of these no details.
Come below with reference to accompanying drawings to being described in detail according to each embodiment of the present invention.
Fig. 1 is the schematic diagram of the can-type calcine furnace afterheat utilizing system of the present invention based on piping-main scheme, as shown in figure 1, The can-type calcine furnace afterheat utilizing system based on piping-main scheme enters jellyfish including many can-type calcine furnaces (1.1~1.N), water jackets Pipe 9, water jacket main water outlet pipe 10, many waste heat boilers (2.1~2.N), steam main 7, steam turbine 11 and condenser 12, wherein,
The exhanst gas outlet of each can-type calcine furnace is connected with the gas approach of each waste heat boiler, the pot type calcining The high-temperature flue gas that stove comes out exchanges heat cooling in waste heat boiler;
The steam (vapor) outlet of many waste heat boilers is connected by steam main 7 with the steam inlet of the steam turbine 11, each The outlet vapor of waste heat boiler collects in the steam main 7, and the steam in the steam main 7 enters the steam turbine 11, drive the rotation of steam turbine 11 acting;
The steam drain of the steam turbine 11 is connected with the air intake of the condenser 12;
The cooling water inlet of the condenser 12 is connected with the water return pipeline of outside networks of heat supply, and the condenser 12 passes through heat supply The backwater of outer net is cooled down;
The coolant outlet of the condenser 12 passes through water jacket water inlet main pipe 9 and the Water Jacket in Calciner of each can-type calcine furnace The cooling water inlet connection of (16.1~16.N), the outlet cooling water of the condenser 12 converges in water jacket water inlet main pipe 9 Collection, is then divided into the cooling water inlet that multiple branch roads respectively enter the Water Jacket in Calciner (16.1~16.N) of each can-type calcine furnace, Water Jacket in Calciner (16.1~16.N) to each can-type calcine furnace is cooled down;
The hot water outlet of the Water Jacket in Calciner (16.1~16.N) of many can-type calcine furnaces by water jacket main water outlet pipe 10 with The water supply line connection of outside networks of heat supply, the hot water of the hot water outlet of the Water Jacket in Calciner (16.1~16.N) goes out in the water jacket Collect in jellyfish pipe 10, be then sent to outside networks of heat supply water supply line, be provided out hot water.
The above-mentioned can-type calcine furnace afterheat utilizing system based on piping-main scheme is provided to several waste heats of charcoal ink factory's can-type calcine furnace Source is made overall planning, synthetical recovery, realizes the integrated utilization of many can-type calcine furnace waste heats, and waste heat recovery is designed to Piping-main scheme, fume afterheat, jacket water waste heat to many can-type calcine furnaces are focused on, with significant economic effect Benefit.
Preferably, the Water Jacket in Calciner (16.1~16.N) uses countercurrent flow, the Water Jacket in Calciner (16.1~ Cooling water inlet 16.N) is located at the low-temperature end of Water Jacket in Calciner, the hot water outlet of the Water Jacket in Calciner (16.1~16.N) Positioned at the temperature end of Water Jacket in Calciner.
Furthermore it is preferred that the afterheat utilizing system also includes generator 17, the generator 17 and the steam turbine 11 Coaxial to be connected, the steam turbine 11 drags the generator 17 and generated electricity.
The above-mentioned can-type calcine furnace afterheat utilizing system based on piping-main scheme considers can-type calcine furnace flue-gas temperature height, grade Height, therefore high-grade smoke heat energy is converted to by waste heat boiler combination Turbo-generator Set the electric energy of high-quality;And incite somebody to action When the Water Jacket in Calciner cooling water heat of steam turbine, the recirculated cooling water of condenser and can-type calcine furnace is reclaimed, it is contemplated that The cooling water temperature is low, grade is low, and waste heat is difficult with, finally for the purpose of heat supply, and cooling water heat is used to externally to supply Hot water, compared with traditional recirculated cooling water is by way of cooling tower is arranged and in turn results in cold source energy to air, the present invention will Heat supply network backwater heats cooling water as the heat transferring medium of condenser cooling system using the heat of condensation of steam discharge, by the cooling water For hot water heating, so that the steam discharge heat of condensation be used, greatly improve the thermal efficiency of cycle of a whole set of afterheat utilizing system, With significant economic benefit.
In addition, the recirculated cooling water and the Water Jacket in Calciner cooling water heat-exchange system of can-type calcine furnace of steam turbine, condenser Using series system, cooling water is introduced into condenser cooling system, subsequently into water jacket cooling system, is to take into full account that two are changed Optimization design after hot systems thermal source feature, compared with being connected in parallel, the cooling effect of condenser and Water Jacket in Calciner is more preferable, because It is greatly decreased for water that condenser and Water Jacket in Calciner are gone under parallel way, causes its cooling effect to be greatly affected;And Compared with the series system that condenser cooling system is entered back into being introduced into water jacket cooling system, the cold of condenser can be obviously improved But effect, improves condenser vacuum, so as to greatly improve the generated energy of Turbo-generator Set.
In an alternate embodiment of the present invention where, above-mentioned afterheat utilizing system also includes condensate pump 13 and deaerated feedwater System and feed main 8, condensation water out and condensate pump 13, the deaerated feedwater system of the condenser 12 pass through feed main 8 sequentially connect with the feed-water inlet of many waste heat boilers along current direction is condensed, the outlet condensate warp of the condenser 12 Cross after the condensate pump 13 pressurizes and handled into deaerated feedwater system, then by feed main 8 points be multiple branch roads Respectively enter each waste heat boiler.
Preferably, the steam turbine 11 is provided with extraction opening, and the steam of the extraction opening discharge is the deaerated feedwater system System provides heating vapour source.
Further, it is preferable that the deaerated feedwater system includes oxygen-eliminating device 14 and feed pump 15, the steam turbine 11 is taken out Steam ports is connected with the heating steam inlet of the oxygen-eliminating device 14, is that the oxygen-eliminating device 14 provides heating vapour source, the oxygen-eliminating device 14 Delivery port connected with the water inlet of the feed pump 15, the delivery port of the feed pump 15 passes through feed main 8 and more than many The feed-water inlet connection of heat boiler 2.
In an alternate embodiment of the present invention where, above-mentioned afterheat utilizing system also includes flue gas main pipe 3, air-introduced machine 4, taken off Sulphur device 5 and chimney 6, the exhanst gas outlet of many waste heat boilers pass through flue gas main pipe 3 and the air-introduced machine 4, desulfurizer 5 Sequentially connected along flue gas flow direction with chimney 6, the smoke evacuation of the waste heat boiler 2 boosts laggard by flue gas main pipe 3 by air-introduced machine 4 Enter desulfurizer 5 and carry out desulfurization process, then by the row of chimney 6 to air.
The technological process of above-mentioned charcoal ink factory's calcining furnace afterheat utilizing system is as follows:
Boiler circuit flow:The high-temperature steam that many waste heat boilers are produced enters steam turbine 11, is expanded in steam turbine 11 After acting enter condenser 7, cool in condenser 7 and condense into condensate, then by condensate pump 13 squeeze into deoxygenation to Water system, in deaerated feedwater system after oxygen-eliminating device deoxygenation, feed main 3,3 points of feed main are delivered to by feed pump 15 Many waste heat boilers are delivered to respectively for multiple branch roads, as the feedwater of each waste heat boiler, so as to complete a steam/water circulating flow.
Cooling water system flow:The backwater of outside networks of heat supply as condenser 7 cooling water source, into the cooling of condenser 7 Water inlet, enters water jacket water inlet main pipe 9, is then divided into multiple branch roads and respectively enters multiple forge after once being exchanged heat in condenser 7 Stove water jacket (16.1~16.N) cooling water inlet is burnt, as the cooling water source of each Water Jacket in Calciner (16.1~16.N) in each calcining Secondary heat exchange is carried out in stove water jacket, the hot water of the hot water outlet discharge of each Water Jacket in Calciner is pooled to water jacket main water outlet pipe 10, so The water supply line of outside networks of heat supply is delivered to afterwards, to outside networks of heat supply hot-water supply.
Flue gas system flow:800 DEG C~900 DEG C of the high-temperature flue gas that each calcining furnace is produced enters each waste heat boiler, each It is cooled to after 150~200 DEG C or so and collects into flue gas main pipe 3 after heat release in waste heat boiler, delivering to desulfurization by air-introduced machine 4 fills 5 are put, enters chimney 6 after flue gas desulfurization is handled in desulfurizer 5, most heel row is to air.
Although content disclosed above shows the exemplary embodiment of the present invention, it should be noted that without departing substantially from power On the premise of profit requires the scope of restriction, it may be many modifications and change.Although in addition, the element of the present invention can be with individual Body form is described or required, it is also contemplated that being unless explicitly limited individual element with multiple elements.

Claims (7)

1. a kind of can-type calcine furnace afterheat utilizing system based on piping-main scheme, it is characterised in that including many can-type calcine furnaces, water Jellyfish pipe, water jacket main water outlet pipe, many waste heat boilers, steam main, steam turbine and condenser are packed into, wherein,
The exhanst gas outlet of each can-type calcine furnace is connected with the gas approach of each waste heat boiler, and the can-type calcine furnace goes out The high-temperature flue gas come exchanges heat cooling in waste heat boiler;
The steam (vapor) outlet of many waste heat boilers is connected by steam main with the steam inlet of the steam turbine, each waste heat boiler The steam that steam (vapor) outlet comes out collects in the steam main, and the steam in the steam main enters the steam turbine, drives The dynamic steam turbine rotation acting;
The steam drain of the steam turbine is connected with the air intake of the condenser;
The cooling water inlet of the condenser is connected with the water return pipeline of outside networks of heat supply, and the condenser is returned by outside networks of heat supply Water is cooled down;
The cooling water that the coolant outlet of the condenser passes through water jacket water inlet main pipe and the Water Jacket in Calciner of each can-type calcine furnace Inlet communication, the cooling water of the coolant outlet of the condenser collects in water jacket water inlet main pipe, is then divided into multiple Branch road respectively enters the cooling water inlet of the Water Jacket in Calciner of each can-type calcine furnace, and the Water Jacket in Calciner to each can-type calcine furnace is entered Row cooling;
The hot water outlet of the Water Jacket in Calciner of many can-type calcine furnaces passes through water jacket main water outlet pipe and the water supply line of outside networks of heat supply Connection, the hot water of the hot water outlet of the Water Jacket in Calciner collects in the water jacket main water outlet pipe, is then sent to outside networks of heat supply Water supply line, is provided out hot water.
2. afterheat utilizing system according to claim 1, it is characterised in that also including flue gas main pipe, air-introduced machine, desulfurization dress Put and chimney, the exhanst gas outlet of many waste heat boilers passes through flue gas main pipe and the air-introduced machine, desulfurizer and chimney edge Flue gas flow direction is sequentially connected, and the smoke evacuation of many waste heat boilers is entered after air-introduced machine boosting by de- by the flue gas main pipe Sulphur device carries out desulfurization process, is then arranged by chimney to air.
3. afterheat utilizing system according to claim 1, it is characterised in that also including condensate pump, deaerated feedwater system And feed main, the condensation water out of the condenser and condensate pump, deaerated feedwater system by feed main with it is described many The feed-water inlet of platform waste heat boiler is sequentially connected along current direction is condensed, and the condensate of the condensation water out of the condenser passes through institute Handled after stating condensate pump pressurization into deaerated feedwater system, being then divided into multiple branch roads by feed main respectively enters Each waste heat boiler.
4. afterheat utilizing system according to claim 3, it is characterised in that the steam turbine is provided with extraction opening, described The steam of extraction opening discharge provides heating vapour source for the deaerated feedwater system.
5. afterheat utilizing system according to claim 4, it is characterised in that the deaerated feedwater system include oxygen-eliminating device and Feed pump, the extraction opening of the steam turbine is connected with the heating steam inlet of the oxygen-eliminating device, and heating is provided for the oxygen-eliminating device Vapour source, the delivery port of the oxygen-eliminating device is connected with the water inlet of the feed pump, and the delivery port of the feed pump passes through to jellyfish Pipe is connected with the feed-water inlet of many waste heat boilers.
6. afterheat utilizing system according to claim 1, it is characterised in that also including generator, the generator and institute State steam turbine to be coaxially connected, the steam turbine drags the electrical power generators.
7. afterheat utilizing system according to claim 1, it is characterised in that the cooling water inlet position of the Water Jacket in Calciner In the low-temperature end of Water Jacket in Calciner, the hot water outlet of the Water Jacket in Calciner is located at the temperature end of Water Jacket in Calciner.
CN201710514738.3A 2017-06-29 2017-06-29 Tank calciner waste heat utilization system based on mother pipe Active CN107144146B (en)

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Cited By (5)

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Publication number Priority date Publication date Assignee Title
CN107763708A (en) * 2017-11-07 2018-03-06 北京龙电宏泰环保科技有限公司 It is used for the system and method for central heating suitable for multicomputer flue gas waste heat recovery
CN108979773A (en) * 2018-08-27 2018-12-11 中冶华天南京工程技术有限公司 Can-type calcine furnace waste heat efficient power generation system based on piping-main scheme
CN109163571A (en) * 2018-08-27 2019-01-08 中冶华天南京工程技术有限公司 Can-type calcine furnace afterheat generating system based on piping-main scheme
CN109282659A (en) * 2018-08-27 2019-01-29 中冶华天南京工程技术有限公司 The heat power generating system of can-type calcine furnace calcined coke and fume afterheat comprehensive utilization
CN109323225A (en) * 2018-08-27 2019-02-12 中冶华天南京工程技术有限公司 Calcined coke and the integrated can-type calcine furnace afterheat generating system of flue gas waste heat recovery

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