CN206876002U - 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
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- CN206876002U CN206876002U CN201720777669.0U CN201720777669U CN206876002U CN 206876002 U CN206876002 U CN 206876002U CN 201720777669 U CN201720777669 U CN 201720777669U CN 206876002 U CN206876002 U CN 206876002U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 147
- 239000002918 waste heat Substances 0.000 claims abstract description 52
- 239000000498 cooling water Substances 0.000 claims abstract description 42
- 239000007789 gas Substances 0.000 claims abstract description 16
- 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 7
- 230000023556 desulfurization Effects 0.000 claims description 7
- 239000000779 smoke Substances 0.000 claims description 6
- 241000242583 Scyphozoa Species 0.000 claims description 4
- 239000008400 supply water Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 241000242764 Aequorea victoria Species 0.000 claims 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims 1
- 239000005864 Sulphur Substances 0.000 claims 1
- 238000001354 calcination Methods 0.000 abstract description 21
- 239000003517 fume Substances 0.000 abstract description 5
- 239000003610 charcoal Substances 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 6
- 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
- 238000006392 deoxygenation reaction Methods 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
- 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
- 239000012141 concentrate Substances 0.000 description 1
- 238000010924 continuous production Methods 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
Classifications
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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
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model provides a kind of can-type calcine furnace afterheat utilizing system based on piping-main scheme, connected including more can-type calcine furnaces, water jacket water inlet main pipe, water jacket main water outlet pipe, more waste heat boilers, steam main, steam turbine and condenser, the exhanst gas outlet of each can-type calcine furnace with the gas approach of each waste heat boiler；The steam (vapor) outlet of more waste heat boilers is connected by steam main with the steam inlet of the steam turbine；The steam drain of the steam turbine connects with the air intake of the condenser；The cooling water inlet of the condenser connects 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 more 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 of more calcining furnaces and jacket water waste heat are carried out efficiently integrated recycle by the system.
Description
Technical field
Carbon industry technical field of waste heat utilization is the utility model is related to, more particularly to a kind of pot type based on piping-main scheme is forged
Burn stove 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 to restrict aluminum i ndustry
The key link of development.China's aluminum i ndustry developed in recent years to be developed therewith into express passway, aluminium cathode, 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 charcoal element production technology, can be calcined the oil of different volatile contents
Jiao, have the bulk density that calcination material steady quality, carbon burnt loss rate be low, burnt after forging is high, simple to operate, maintenance workload is small,
The advantages that continuous production cycle is long, therefore, it is widely used in charcoal ink factory and aluminium manufacturer.
When being calcined using calcining furnace to raw material, heat caused by volatile fraction in petroleum coke burning, which removes, 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 is 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 is high, but exhaust gas volumn is small, and this is resulted in
Waste heat recovery of the charcoal ink factory for calcining furnace high-temperature flue gas is less positive, or even has many charcoal ink factories to use air-blast cooled side
Formula, i.e., Cryogenic air is mixed into high-temperature flue gas by high power air blowers, carries out forced cooling and then drain into air, cause preciousness
Fume afterheat resource waste, and the newly-increased power consumption of high power air blowers also brings carrying for charcoal element production cost
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, to be had largely
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 using extremely difficult, charcoal ink factory does not take into account that typically to be recycled to the part of heat energy.
Utility model content
The utility model is made to solve above-mentioned technical problem present in prior art, and its object is to provide
The residual heat resources such as a kind of calcining kiln gas that can be to charcoal ink factory, jacket water carry out comprehensive reutilization, by high temperature, rill
The fume afterheat and low temperature of amount, the jacket water waste heat of big flow are carried out more than can-type calcine furnace of the high efficiente callback based on piping-main scheme
Heat utilization system.
To achieve these goals, the utility model provides a kind of can-type calcine furnace UTILIZATION OF VESIDUAL HEAT IN system based on piping-main scheme
System, including more can-type calcine furnaces, water jacket water inlet main pipe, water jacket main water outlet pipe, more waste heat boilers, steam main, steam turbines
And condenser, wherein, the exhanst gas outlet of each can-type calcine furnace connects with the gas approach of each waste heat boiler, the tank
The high-temperature flue gas that formula calcining furnace comes out exchanges heat cooling in waste heat boiler；The steam (vapor) outlet of more waste heat boilers passes through steam main
Connected with the steam inlet of the steam turbine, the steam of the steam (vapor) outlet of each waste heat boiler collects in the steam main, institute
The steam stated in steam main enters the steam turbine, drives the steam turbine rotation acting；The steam drain of the steam turbine with
The air intake connection of the condenser；The cooling water inlet of the condenser connects with the water return pipeline of outside networks of heat supply, described solidifying
Vapour device is cooled down by the backwater of outside networks of heat supply；The coolant outlet of the condenser passes through water jacket water inlet main pipe and each pot type
The cooling water inlet connection of the Water Jacket in Calciner of calcining furnace, the cooling water of the coolant outlet of the condenser enter in the water jacket
Collect in jellyfish pipe, 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, it is right
The Water Jacket in Calciner of each can-type calcine furnace is cooled down；The hot water outlet of the Water Jacket in Calciner of more can-type calcine furnaces passes through water jacket
Main water outlet pipe connects 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 water outlet
Collect in main pipe, 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 more
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 the more waste heat boilers is entered after air-introduced machine boosting by the flue gas main pipe to be carried out at desulfurization 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 the more 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 connects with the water inlet of the feed pump, and the delivery port of the feed pump passes through feed main and more waste heat boilers
Feed-water inlet connects.
Described afterheat utilizing system, wherein, in addition to generator, the generator be 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 are located at the temperature end of Water Jacket in Calciner.
The beneficial effects of the utility model 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 and 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, has 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, compared with parallel, the cooling water needed for system is total for it
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 reality
With the new cooling effect that can be obviously improved condenser, condenser vacuum is improved, so as to greatly improve Turbo-generator Set
Generated energy；
3) the utility model constructs a kind of can-type calcine furnace afterheat utilizing system based on piping-main scheme, and charcoal ink factory is calcined
Several residual heat resources of stove are made overall planning, first according to the high temperature of calcining kiln gas, low discharge feature, using waste heat boiler
Fume afterheat is reclaimed, is converted into steam resource, while more calcining furnaces and separate unit are generally configured in view of charcoal ink factory
Calcining furnace exhaust gas volumn and the less feature of corresponding steam production, waste heat boiler smoke evacuation and steam are designed as piping-main scheme, steam collects
Utilized afterwards by steam turbine, flue gas carries out concentrating purification and discharge after collecting；Then to more than circulating water in turbine condenser
Heat and Water Jacket in Calciner waste heat carry out integrated recovery, and the backwater of outside heat supply network is used for the cooling of condenser, and condenser outlet follows
Ring cooling 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 main pipe
System, concentrates the highly integrated utilization to outside heat supply network hot-water supply, completed to can-type calcine furnace waste heat, realizes heat after collecting
Can cascade utilization and science energy；
4) integrated heat efficiency of the utility model the whole series afterheat utilizing system is up to more than 80%, more simple cogeneration side
Formula compares (the overall thermal efficiency can only achieve 25% or so), and comprehensive utilization rate of energy source significantly improves.
Brief description of the drawings
By reference to detailed description below content and with reference to accompanying drawing, other purposes and result of the present utility model
It will be more apparent 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 described in the utility model 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.
Below with reference to accompanying drawings come to being described in detail according to each embodiment of the present utility model.
Fig. 1 is the schematic diagram of the can-type calcine furnace afterheat utilizing system described in the utility model based on piping-main scheme, such as Fig. 1 institutes
Show, the can-type calcine furnace afterheat utilizing system based on piping-main scheme enters including more can-type calcine furnaces (1.1~1.N), water jackets
Jellyfish pipe 9, water jacket main water outlet pipe 10, more waste heat boilers (2.1~2.N), steam main 7, steam turbine 11 and condenser 12, its
In,
The exhanst gas outlet of each can-type calcine furnace connects 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 more 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 connects with the air intake of the condenser 12；
The cooling water inlet of the condenser 12 connects 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 converge in the water jacket intakes 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,
The Water Jacket in Calciner (16.1~16.N) of each can-type calcine furnace is cooled down；
The hot water outlet of the Water Jacket in Calciner (16.1~16.N) of more 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) go 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 provides 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 more can-type calcine furnace waste heats, and waste heat recovery is designed to
Piping-main scheme, fume afterheat, jacket water waste heat to more can-type calcine furnaces focus on, and have 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, and finally for the purpose of heat supply, cooling water heat is used to externally 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, this practicality is new
Heat transferring medium of the type using heat supply network backwater as condenser cooling system, cooling water is heated using the heat of condensation of steam discharge, and this is cold
But water is used for hot water heating, so as to which the steam discharge heat of condensation be used, makes the thermal efficiency of cycle of a whole set of afterheat utilizing system significantly
Improve, there is significant economic benefit.
In addition, the recirculated cooling water of steam turbine, condenser and the Water Jacket in Calciner cooling water heat-exchange system of can-type calcine furnace
Using series system, cooling water is introduced into condenser cooling system, is to take into full account that two are changed subsequently into water jacket cooling system
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 to go to the water of condenser and Water Jacket in Calciner 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, condenser vacuum is improved, so as to greatly improve the generated energy of Turbo-generator Set.
In an alternative embodiment of the present utility model, above-mentioned afterheat utilizing system also includes condensate pump 13 and deoxygenation
Water supply system and feed main 8, condensation water out and condensate pump 13, the deaerated feedwater system of the condenser 12 pass through feedwater
Main pipe 8 sequentially connects with the feed-water inlet of the more waste heat boilers along current direction is condensed, and the outlet of the condenser 12 condenses
Water is handled after the condensate pump 13 pressurization into deaerated feedwater system, is then divided by feed main 8 to be multiple
Branch road respectively enters 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, and the steam turbine 11 is taken out
Steam ports is connected with the heating steam inlet of the oxygen-eliminating device 14, and heating vapour source, the oxygen-eliminating device 14 are provided for 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 more
The feed-water inlet connection of heat boiler 2.
In an alternative embodiment of the present utility model, above-mentioned afterheat utilizing system also includes flue gas main pipe 3, air-introduced machine
4th, desulfurizer 5 and chimney 6, the exhanst gas outlet of the more waste heat boilers pass through flue gas main pipe 3 and the air-introduced machine 4, desulfurization
Device 5 sequentially connects with chimney 6 along flue gas flow direction, and the smoke evacuation of the waste heat boiler 2 passes through 4 liters of air-introduced machine by flue gas main pipe 3
Enter desulfurizer 5 after pressure 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：High-temperature steam caused by more waste heat boilers enters steam turbine 11, is expanded in steam turbine 11
Enter condenser 7 after acting, 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 is delivered to by feed pump 15, feed main 3 divides
More 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：Cooling water source of the backwater of outside networks of heat supply as condenser 7, into the cooling of condenser 7
Water inlet, water jacket water inlet main pipe 9 is entered after once being exchanged heat in condenser 7, is then divided into multiple branch roads and respectively enters multiple forge
Stove water jacket (16.1~16.N) cooling water inlet is burnt, the cooling water source as each Water Jacket in Calciner (16.1~16.N) is 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 high-temperature flue gas caused by each calcining furnace enters each waste heat boiler, each
Collect after 150~200 DEG C or so are cooled to after heat release in waste heat boiler into flue gas main pipe 3, 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 exemplary embodiment of the present utility model, it should be noted that not carrying on the back
On the premise of the scope limited from claim, it may be many modifications and change.In addition, although element of the present utility model
It can describe or require in the form of individual, be unless explicitly limited individual element it is also contemplated that having 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 more can-type calcine furnaces, water
Jellyfish pipe, water jacket main water outlet pipe, more waste heat boilers, steam main, steam turbine and condenser are packed into, wherein,
The exhanst gas outlet of each can-type calcine furnace connects 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 more 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 connects 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 collect in the water jacket intakes main pipe, are 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 of each can-type calcine furnace is entered
Row cooling；
The hot water outlet of the Water Jacket in Calciner of more 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 collect in the water jacket main water outlet pipe, are then sent to outside networks of heat supply
Water supply line, it 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 the more waste heat boilers pass 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 the more 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 more
The feed-water inlet of platform waste heat boiler sequentially connects 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 are 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 connect with the water inlet of the feed pump, and the delivery port of the feed pump passes through to jellyfish
Pipe connects with the feed-water inlet of more 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 |
|---|---|---|---|
| CN201720777669.0U CN206876002U (en) | 2017-06-29 | 2017-06-29 | Can-type calcine furnace afterheat utilizing system based on piping-main scheme |
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| Application Number | Priority Date | Filing Date | Title |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107144146A (en) * | 2017-06-29 | 2017-09-08 | 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 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107144146A (en) * | 2017-06-29 | 2017-09-08 | 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 |
| CN107144146B (en) * | 2017-06-29 | 2023-11-24 | 中冶华天南京工程技术有限公司 | Tank calciner waste heat utilization system based on mother pipe |
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