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 PDFInfo
- Publication number
- 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
- Authority
- CN
- China
- Prior art keywords
- water
- steam
- main
- waste heat
- water jacket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 145
- 239000002918 waste heat Substances 0.000 claims abstract description 55
- 239000000498 cooling water Substances 0.000 claims abstract description 42
- 239000007789 gas Substances 0.000 claims abstract description 17
- 239000002826 coolant Substances 0.000 claims abstract description 6
- 238000013459 approach Methods 0.000 claims abstract description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 28
- 239000003546 flue gas Substances 0.000 claims description 28
- 238000001816 cooling Methods 0.000 claims description 26
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000000605 extraction Methods 0.000 claims description 8
- 238000009833 condensation Methods 0.000 claims description 7
- 230000005494 condensation Effects 0.000 claims description 7
- 238000006477 desulfuration reaction Methods 0.000 claims description 6
- 230000023556 desulfurization Effects 0.000 claims description 6
- 239000000779 smoke Substances 0.000 claims description 6
- 239000008400 supply water Substances 0.000 claims description 5
- 241000242583 Scyphozoa Species 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 2
- 239000005864 Sulphur Substances 0.000 claims description 2
- 241000242764 Aequorea victoria Species 0.000 claims 1
- 238000001354 calcination Methods 0.000 abstract description 22
- 239000003517 fume Substances 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 abstract 1
- 239000003610 charcoal Substances 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 3
- 239000003575 carbonaceous material Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000011329 calcined coke Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000006392 deoxygenation reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002006 petroleum coke Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- F27D2017/006—Systems for reclaiming waste heat using a boiler
-
- 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
Landscapes
- 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
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710514738.3A CN107144146B (en) | 2017-06-29 | 2017-06-29 | Tank calciner waste heat utilization system based on mother pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710514738.3A CN107144146B (en) | 2017-06-29 | 2017-06-29 | Tank calciner waste heat utilization system based on mother pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107144146A true CN107144146A (en) | 2017-09-08 |
| CN107144146B CN107144146B (en) | 2023-11-24 |
Family
ID=59784637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710514738.3A Active CN107144146B (en) | 2017-06-29 | 2017-06-29 | Tank calciner waste heat utilization system based on mother pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107144146B (en) |
Cited By (5)
| 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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201443978U (en) * | 2009-08-13 | 2010-04-28 | 济南海川炭素有限公司 | Carbon calciner waste heat generating system |
| CN201672815U (en) * | 2010-04-21 | 2010-12-15 | 济南海川投资集团有限公司 | Device for heating waste heat generating condensation water by calcined-furnace water-jacket water |
| CN202501759U (en) * | 2012-03-21 | 2012-10-24 | 济南海川投资集团有限公司 | Carbon calciner waste heat heating system |
| CN202991155U (en) * | 2012-12-31 | 2013-06-12 | 张茂勇 | Multi-heat-source generating heating system for carbon factory cascade waste heat recovery |
| CN206876002U (en) * | 2017-06-29 | 2018-01-12 | 中冶华天南京工程技术有限公司 | Can-type calcine furnace afterheat utilizing system based on piping-main scheme |
-
2017
- 2017-06-29 CN CN201710514738.3A patent/CN107144146B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201443978U (en) * | 2009-08-13 | 2010-04-28 | 济南海川炭素有限公司 | Carbon calciner waste heat generating system |
| CN201672815U (en) * | 2010-04-21 | 2010-12-15 | 济南海川投资集团有限公司 | Device for heating waste heat generating condensation water by calcined-furnace water-jacket water |
| CN202501759U (en) * | 2012-03-21 | 2012-10-24 | 济南海川投资集团有限公司 | Carbon calciner waste heat heating system |
| CN202991155U (en) * | 2012-12-31 | 2013-06-12 | 张茂勇 | Multi-heat-source generating heating system for carbon factory cascade waste heat recovery |
| CN206876002U (en) * | 2017-06-29 | 2018-01-12 | 中冶华天南京工程技术有限公司 | Can-type calcine furnace afterheat utilizing system based on piping-main scheme |
Cited By (6)
| 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 |
| CN109163571B (en) * | 2018-08-27 | 2020-07-14 | 中冶华天南京工程技术有限公司 | Pot-type calcining furnace waste heat power generation system based on header pipe system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107144146B (en) | 2023-11-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107144146A (en) | Can-type calcine furnace afterheat utilizing system based on piping-main scheme | |
| CN101392992B (en) | Silicon smelting electric furnace waste heat power generation process flow and configuration | |
| CN103062754B (en) | Power station machine furnace integrated cold end comprehensive optimization system | |
| CN101315183A (en) | Flue gas waste heat recovery system of metallurgy electric furnace | |
| CN104848199A (en) | Method for recovering waste heat from power plant through absorption heat pump to heat boiler water | |
| CN106766961A (en) | A kind of double-work medium afterheat generating system based on closed circuit sinter cooler | |
| CN106766966B (en) | A kind of heater for rolling steel waste heat recycling system | |
| CN106322427A (en) | Deslagging waste heat utilization system and deslagging waste heat utilization method for circulating fluidized bed boiler | |
| CN106643191A (en) | Power generation system based on steel smelting furnace and steel rolling heating furnace waste heat integration | |
| CN107166979A (en) | Charcoal ink factory's calcining furnace waste heat comprehensive utilization system | |
| CN206876002U (en) | Can-type calcine furnace afterheat utilizing system based on piping-main scheme | |
| CN109163571B (en) | Pot-type calcining furnace waste heat power generation system based on header pipe system | |
| CN206876003U (en) | Charcoal ink factory's calcining furnace waste heat comprehensive utilization system | |
| CN108087861A (en) | A kind of boiler afterheat combined reclamation method | |
| CN207907205U (en) | A kind of large size combined cycle unit waste heat boiler | |
| CN109855433A (en) | It is a kind of to heat Turbo-generator Set condensate system using cement kiln low temperature exhaust heat | |
| CN106766965B (en) | A kind of converter and heater for rolling steel waste heat integrated power generation system | |
| CN206478617U (en) | A kind of coke dry quenching boiler resuperheat electricity generation system | |
| CN115585440A (en) | Device and method for recycling waste heat of pyrite cinder | |
| CN205807387U (en) | Power plant's demineralized water absorbs residual neat recovering system | |
| CN109323225A (en) | Calcined coke and the integrated can-type calcine furnace afterheat generating system of flue gas waste heat recovery | |
| CN206876001U (en) | A kind of calcining furnace circulating cooling system based on UTILIZATION OF VESIDUAL HEAT IN | |
| CN206876000U (en) | A kind of calcining furnace circulating cooling system based on waste heat recovery | |
| CN206479054U (en) | It is a kind of based on converter and the integrated electricity generation system of heater for rolling steel waste heat | |
| CN204373429U (en) | A kind of equipment for recycling flue gas waste heat of coke |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20231012 Address after: 210019 18 East Street, Fuchunjiang, Jianye District, Nanjing City, Jiangsu Province Applicant after: HUATIAN NANJING ENGINEERING & TECHNOLOGY CORPORATION, MCC Applicant after: HUATIAN ENGINEERING & TECHNOLOGY CORPORATION, MCC Address before: 210019 18 East Street, Fuchunjiang, Jianye District, Nanjing City, Jiangsu Province Applicant before: HUATIAN NANJING ENGINEERING & TECHNOLOGY CORPORATION, MCC |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |