CN105605543B - A kind of high dust-laden highly corrosive waste heat boiler of metallurgy industry high temperature - Google Patents
A kind of high dust-laden highly corrosive waste heat boiler of metallurgy industry high temperature Download PDFInfo
- Publication number
- CN105605543B CN105605543B CN201610074584.6A CN201610074584A CN105605543B CN 105605543 B CN105605543 B CN 105605543B CN 201610074584 A CN201610074584 A CN 201610074584A CN 105605543 B CN105605543 B CN 105605543B
- Authority
- CN
- China
- Prior art keywords
- cooling chamber
- convection current
- boiler
- tube panel
- iii
- 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.)
- Active
Links
Classifications
-
- 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
- F22—STEAM GENERATION
- F22G—SUPERHEATING OF STEAM
- F22G1/00—Steam superheating characterised by heating method
- F22G1/02—Steam superheating characterised by heating method with heat supply by hot flue gases from the furnace of the steam boiler
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
- F23M5/00—Casings; Linings; Walls
- F23M5/08—Cooling thereof; Tube walls
-
- 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
- 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
-
- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
-
- 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
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
Abstract
The present invention is a kind of high dust-laden highly corrosive waste heat boiler of metallurgy industry high temperature, it is installed with high temperature pendant superheater and low temperature pendant superheater respectively in cooling chamber I, cooling chamber II, convection current evaporation tube panel I, convection current evaporation tube panel II, convection current evaporation tube panel III are installed in cooling chamber III, cooling chamber IV, cooling chamber V respectively, the equal longitudinal arrangement of curtain wall is in each cooling chamber, hyperthermia radiation expansion chamber, each cooling chamber are formed by fin panel casing enclosing and using staggeredly mode of communicating, ash dropping hopper is arranged in each heating surface lower part, and the dust of collection is transported to by slag extractor outside stove.The high dust-laden high-temperature flue gas generated in metallurgical production process sequentially enters hyperthermia radiation expansion chamber, multistage cooling chamber, economizer convection bank progress thermal energy recycling, and the superheated steam that waste heat boiler generates is produced and used for enterprise.The present invention with manufacturing process, stablize by simple, easy to maintenance, operational safety, suitable for being promoted the use of in the metallurgical and high dust-laden high-temperature flue gas waste heat recovery of chemical industry.
Description
Technical field
The invention belongs to the waste heats in metallurgy industry energy conservation and environmental protection field efficiently to utilize new technology, and in particular to arrive a kind of smelting
The golden high dust-laden highly corrosive waste heat boiler of industry high temperature.
Background technology
With the growing tension of global primary energy, the soaring new challenge as smelter of energy prices.Currently, China
It proposes to energy-saving, environment-friendly type social development, the energy-saving long-range strategy task that should be used as smelter.In recent years, China
Energy consumption increases year by year, becomes the second largest energy-consuming state for being only second to the U.S., and wherein industrial energy consumption figure has been more than
Aggregate consumption 70%, environmental pollution, resource and energy shortage become " bottleneck " of economic growth.In energy-consuming, metallurgy enterprise
The energy consumption of industry accounts for the 15% of national energy consumption, accounts for the 20% of industrial department energy consumption.It is used in metal smelt technique
Metallurgical furnace kiln, such as fluidizing reactor, blast furnace, electric furnace, fuming furnace, reverberatory furnace, these stoves consume greatly in process of production
The energy of amount, while generating a large amount of high temperature, high dust-laden, highly corrosive flue gas.How rationally to recycle in metallurgical production process and produces
Raw high-temperature flue gas waste heat and dust, raising metallurgy industry heat utilization rate, reduction energy consumption are current metallurgy industry development
The significant problem for being badly in need of solving is faced, the existence matter of fundamental importance that can metallurgy industry realize sustainable development is related to.Due to metallurgy industry
The high-temperature flue gas of generation has the characteristics that dust-laden is high, corrosivity is strong, and the waste heat boiler of traditional technology is difficult to solve fouling of heating surface
Seriously, the critical problems such as slagging, abrasion and corrosion.Currently, China's active service operation metallurgy industry waste heat boiler it is regular by
Hot area ash, slagging cause flue blockage, the high sweep of gases boiler heating surface of dust-laden to cause heating surface wear serious, high corrosion
Property flue gas boiler heating surface is corroded very serious, cause boiler heating surface the accidents such as regular booster occur, force factory
Regular shutdown maintenance has seriously affected being normally carried out for production.Many metallurgical production factories are tight because of waste heat boiler heating surface dust stratification
The problems such as weight, slagging, abrasion and corrosion, frequent blowing out is caused to be repaired, frequent blowing out maintenance needs are to metallurgical smelting production line
It completely stops production, not only the loss of start and stop production line is serious, but also seriously affects smelting quality, forces factory in order to normal continuous raw
Production has to take high-temperature flue gas and waste heat boiler short circuit directly from the measure of smoke stack emission, as a result, Metallurgical Factory periphery is very
Big region chaotic state in which corrupt practices prevail, dust in air diffuse, and seriously polluted surrounding enviroment, waste the waste heat of a large amount of preciousnesses.
In recent years, haze weather perplexs China's most area, and with the fast development of China's economy, haze weather is in big
Width growth trend, and the more promotion of haze pollution level.The reason of haze and the discharge of industrial exhaust gas are closely related, such as
Fruit is not adopted an effective measure also improvement, and the living environment of the mankind will be destroyed seriously, not to the high temperature dust of metallurgy industry, corrosion
Property flue gas carry out effective environment protection treating, waste heat recovery, it is surprisingly huge that result is not only energy dissipation, and diffuses the whole nation
Haze weather will it is more serious, continue.
China's metallurgy industry includes that steel industry and the existing waste heat boiler of non-ferrous metal industry are multifarious, but are mostly
Come from traditional Industrial Boiler design improvement, does not fully consider high temperature, high dust-laden, highly corrosive that metallurgy industry generates
The productive prospecting of flue gas characteristic feature and metallurgy industry does not carry out rational structure design, and it is metallurgical cannot to meet adaptation very well
The normal manufacturing technique requirent of industry needs.Metallurgy industry includes steel industry and non-ferrous metal industry to be made according to smelting process needs
With different metallurgical furnace kilns, such as fluidizing reactor, blast furnace, electric furnace, fuming furnace, reverberatory furnace, these stoves are in production process
Middle generation smoke characteristic is again different, it is necessary to generate smoke characteristic to stove and carry out fully effectively analysis, in conjunction with smoke characteristic
With technique productions feature carry out rational structure design could meet waste heat and dust recycle and metallurgical production it is continuous just
Normal reliability service.
Although metallurgy industry furnace kiln structure form is different, ore and smelting product are also different, smelts mode difference etc., its
Generated smoke components have a general character, and the corrosive elements containing inequality include halogens burn into sulfur corrosion in flue gas
Deng containing a large amount of different Sulfates, halide and different metals and nonmetal oxide ingredient etc. in dust, some is also
Contain very valuable rare metal ingredient and Non-metallic components etc..The corrosion such as halogens, sulphur belong to pyroreaction in gaseous state
Burn into dew point corrosion in grey pollution layer and is heated simultaneously because dust content causes fouling of heating surface inevitably to exist greatly
Face contact except being also easy to produce pyroreaction burn into dew point corrosion, this requires fully taken into account when boiler design avoid as far as possible by
Hot area ash；Contained different Sulfates, halide and the foundations such as different metals and nonmetal oxide ingredient in flue gas
Its fusing point is different, especially in complicated high-temperature flue gas environment, is easily adhered on Boiler Metallic heating surface, some go back directly etching
Boiler Metallic heating surface, is adhered to cumulative on Boiler Metallic heating surface with the running time increases, it is difficult to remove, causes
Flue blockage and Boiler Metallic heated surface corrosion and leak, it is necessary to overhaul and remove Boiler Metallic heating surface area after blowing out cooling
Ash, meanwhile, dust contained flue gas is also extremely serious etc. to metal erosion of wall, these factors cause traditional waste heat boiler normal
Reliability service.
Invention content
It must have been taken for the high dust-laden highly corrosive smoke characteristic of metallurgy industry high temperature and its general character, Waste Heat Boiler Design
Effect, reliable measure solve these problems.A kind of adaptation metallurgy industry high temperature of present invention offer, high dust-laden, highly corrosive are special
The waste heat boiler of point considers metallurgy industry high temperature, high dust-laden, highly corrosive smoke characteristic and its general character, solves metallurgical
The many traditional technological deficiencies of industry waste heat boiler.First, it fully considers in metallurgy industry furnace flue gas containing a large amount of different
Sulfates, halide and different metals and nonmetal oxide ingredient etc., in order to avoid or to mitigate these solid matters easy
It is flue gas parallel baffled boiler heating surface that bonding and abrasion boiler heating surface, which change traditional flue gas cross baffled boiler heating surface,.
For flue gas cross baffled boiler heating surface, the leeward of boiler heating surface is easily bonded cementability dust, and constantly accumulation is easily put up a bridge
It joins together, is gradually connected and blocks exhaust gases passes, since quantity and the arrangement of boiler heating surface limit, soot blowing is taken to arrange
It applies, it is also difficult to remove such dust stratification.For flue gas parallel baffled boiler heating surface, boiler heating surface is all by sweep of gases, powder
Dirt is not easy to be adhered on boiler heating surface, and flue gas parallel baffled boiler heating surface takes the curtain wall, single heating surface to be
One tablet has water flowing in tablet, the stronger solid matter of cementability is adhered on curtain wall, due to screen formula by
There is the working medium of flowing in hot facial canal --- water can be cooled down by metallic walls in face of high temperature bonding object, and sticky object is formed with screen to be divided
Layer, by gravity, sticky object can voluntarily fall off, if taking soot blowing measure, the cleannes of boiler heating surface are more preferable.Its
It is secondary, different Sulfates, halide and different metals and the fusing point difference of nonmetal oxide are fully taken into account in flue gas
One larger cooling chamber is set before into Boiler Convection Heating Surface, to ensure different Sulfates, halide and difference
Metal and nonmetal oxide the weaker solid-state of cementability is changed by the stronger molten state of cementability due to cooling, be conducive to protect
Protect boiler next stage heating surface.Third, entire boiler smoke flow direction take multistage to turn through 180 degree, it is therefore an objective to be relied on by turning to
Inertia comes out solid-state dust separation in flue gas, and collection is used.4th, in order to avoid halogens, element sulphur in flue gas
Membrane wall furnace wall sealing structure is taken in corrosion to metal wall surface, while being metal sealing backplate, membrane type on the outside of membrane wall furnace wall
To reduce the attached wall fiber of boiler radiation loss, the metal structure of double-layer seal is true for laying between fireplace wall and metal sealing backplate
Protecting boiler exterior cold air cannot enter in boiler smoke channel, and efficiently avoid first with halogen due to leaking into for cold air
Element, element sulphur combine the generation of the dew point corrosion formed.5th, for further recovery waste heat, energy-saving, while also to save
Boiler plant cost is saved, arranges that the tail portion of transversal flow is heated due to solid dust cooling becomes brittleness feature in flue gas low-temperature section
Face, the arrangement of back-end surfaces, which will fully consider, avoids halogens in flue gas, element sulphur rotten to the low temperature dew point of metal wall surface
On the one hand erosion utilizes boiler self-produced on the one hand to the heating surface outer wall spray attachment heat transfer of use carbon steel pipe and corrosion resistant fine ceramics
Steam, which enters before heating surface boiler feedwater, to be heated, be heated to halogens in flue gas, element sulphur low temperature dew point with
On.6th, solid dust contained in metallurgy industry furnace flue gas is collected, these solid dusts contain it is valuable at
Point, recycling is carried out after collection.
Metallurgy industry high-temperature flue gas waste heat is not only recycled by this waste heat boiler generates medium pressure steam for enterprise's production
It uses, to substantially reduce enterprise's energy consumption and production cost, goes back the valuable rare metal of the extraction of dust in recovered flue gas, non-
Metal is alternatively arranged as building materials use, and not only the waste heat boiler of reasonable effective solution traditional technology is difficult to solve heating surface area
The critical problems such as grey serious, slagging, abrasion and corrosion, moreover it is possible to ensure the continuity of metallurgy industry technique productions and operable
Property, thermal energy recycling problem is not only solved, the recycling for also solving the environmental issues such as dust recycling and waste is asked
Topic.The present invention realize energy regenerating utilize, the recycling of comprehensive management of environmental protection and waste.
For characteristics such as the high dust-laden of flue gas, highly corrosive, the waste heat recovery difficulties generated in metallurgy industry production process, originally
Invention takes appropriate measures from following starting point：（1）Big volume fin panel casing hyperthermia radiation expansion chamber is set, and flue gas is from height
Temperature radiation expansion chamber lower tangential enters, since velocity of flue gas is relatively low in radiation chamber（＜ 5m/s）, the dust in high-temperature flue gas is big
Amount is deposited in the ash bucket of radiation chamber lower part, is then transported to outside stove through ash exhauster, recycling is used.（2）In high temperature spoke
It penetrates behind expansion chamber and multistage cooling chamber is set, pendant superheater and convection current evaporation tube panel are respectively arranged in cooling chamber, flue gas is longitudinal
Dust stratification is put up a bridge between the curtain wall washed away can effectively prevent pipe, and a small amount of dust stratification hung on tube panel is easy to blow by steam
Grey device is removed.（3）Hyperthermia radiation expansion chamber and multistage cooling chamber are all made of fin panel casing and enclose, and substantially increase boiler
Sealing performance, avoid because locally leak out caused by flue gas low-temperature sulfur corrosion.（4）Flue gas is in hyperthermia radiation expansion chamber and multistage
In cooling chamber steering procedure, since inertia force, gravity are by the ash bucket of dust separation to each cooling chamber lower part, then pass through
Ash exhauster is sent out outside stove, and recycling is used.（5）The convection bank that flue gas transversal flow is arranged in waste heat boiler tail portion is heated
Face, flue-gas temperature is relatively low at this time（400 DEG C of ＜）And dustiness is few, effectively prevents restraining while improving boiler heat exchange effect
The problem of dust stratification blocks.
In order to achieve the above object, using following technical scheme：A kind of high dust-laden highly corrosive waste heat pot of metallurgy industry high temperature
Stove, mainly comprising hyperthermia radiation expansion chamber, cooling chamber I, high temperature pendant superheater, cooling chamber II, low temperature pendant superheater, boiler
Drum, cooling chamber III, convection current evaporation tube panel I, cooling chamber IV, convection current evaporation tube panel II, cooling chamber V, III and of convection current evaporation tube panel
Economizer convection bank, the hyperthermia radiation expansion chamber, cooling chamber I, cooling chamber II, cooling chamber III, cooling chamber IV, cooling chamber
V is formed and is sequentially communicated by the enclosing of fin panel casing furnace wall, and each cooling chamber realizes that flue gas turns using the mode of communicating that interlocks
To cooling chamber V is connected to economizer convection bank, and smoke inlet is located at the lower part of hyperthermia radiation expansion chamber；
High temperature pendant superheater and low temperature pendant superheater, high temperature screen formula mistake are installed in cooling chamber I, cooling chamber II respectively
Hot device connects direct-contact desuperheater with low temperature pendant superheater, and convection current is installed with respectively in cooling chamber III, cooling chamber IV, cooling chamber V
Tube panel I, convection current evaporation tube panel II, convection current evaporation tube panel III are evaporated, high temperature pendant superheater, low temperature pendant superheater, convection current are steamed
The equal longitudinal arrangement of curtain wall of tube panel I, convection current evaporation tube panel II and convection current evaporation tube panel III is sent out in each cooling chamber, it is single
Curtain wall is a tablet, and curtain wall is by the fin and metal boiler tube group between upper lower header and upper lower header
By in piping connection boiler drum after collecting at, upper collecting chamber, lower header collect after by piping connection to boiler down-comer
It supplies water to curtain wall, the back-end surfaces of economizer convection bank are using transversely arranged；
Hyperthermia radiation expansion chamber, cooling chamber I, cooling chamber II, cooling chamber III, cooling chamber IV, cooling chamber V and the province
The lower part of coal device convection bank is respectively provided with taper flue-dust retainer.
The hyperthermia radiation expansion chamber, cooling chamber I, cooling chamber II, cooling chamber III, convection current evaporation tube panel I, cooling chamber
IV, convection current evaporation tube panel II, cooling chamber V, convection current evaporation tube panel III are introduced by the carbonated drink tedge of upper part header
Boiler drum, the header that boiler water to its underpart are introduced by common downcomer separately constitute respective Natural Circulation time
Road.
The fin panel casing furnace wall uses double-level-metal sealing structure, is that metal sealing protects on the outside of fin panel casing
Plate, to reduce the attached wall fiber of boiler radiation loss, fin panel casing is logical for laying between fin panel casing and metal sealing backplate
Angle steel skeleton is crossed to connect with metal sealing backplate sealing welding.
The waste heat boiler tail portion economizer convection bank（22）Convection current pipe outer wall spray attachment heat transfer and corrosion-proof ceramic.
Advantageous effect of the present invention：A kind of beneficial effect of the high dust-laden highly corrosive waste heat boiler of metallurgy industry high temperature of the present invention
Fruit：The first, the high dust-laden of metallurgy industry, highly corrosive high-temperature flue gas waste heat recovery are adapted to, effects of energy conservation and environmental protection is fully achieved；The
Two, by the way that hyperthermia radiation expansion chamber, multistage cooling chamber is arranged, and pendant superheater and convection current evaporation tube are arranged in cooling chamber
Screen, flue gas parallel baffled curtain wall can effectively prevent fouling of heating surface to block；Third, hyperthermia radiation expansion chamber and multistage
Cooling chamber is all made of fin panel casing and encloses, and substantially increases the sealing performance of boiler, avoids because boiler heating surface leaks
Wind causes the phenomenon that topical hypothermia's sulfur corrosion；4th, the present invention also has the characteristics that manufacturing process is simple, easy to maintenance；5th,
The present invention can also promote the use of in the flue gas waste heat recovery of the organic waste liquid containing salt burnings such as papermaking, chemical industry, pesticide.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the furnace wall double-level-metal sealed structural representation of the present invention；
Fig. 3 is the curtain wall structural schematic diagram of the present invention；
As shown in the figure：1, cooling tower, 2, hyperthermia radiation expansion chamber, 3, fin panel casing furnace wall, 4, cooling chamber I, 5, high temperature
Pendant superheater, 6, cooling chamber II, 7, low temperature pendant superheater, 8, Crust blocks pipe bundle, 9, explosion proof door, 10, carbonated drink tedge, 11,
Direct-contact desuperheater, 12, common downcomer, 13, boiler drum, 14, cooling chamber III, 15, convection current evaporate tube panel I, 16, cooling chamber
IV, 17, convection current evaporate tube panel II, 18, cooling chamber V, 19, convection current evaporate tube panel III, 20, drum feed pipe, 21, expansion of flue
Section, 22, economizer convection bank, 23, exhanst gas outlet, 24, taper flue-dust retainer, 25, ash-removing valve, 26, ash conveyor, 27, angle
Steel skeleton, 28, metal sealing backplate, 29, fin panel casing, 30, attached wall fiber, 31, fin, 32, metal boiler tube.
Specific implementation mode
Embodiment
Below in conjunction with the accompanying drawings to the present invention to further illustrating；Its arrow direction as shown in Figure 1 indicates that high-temperature flue gas is walked
To；Its structure includes mainly：Hyperthermia radiation expansion chamber（2）, cooling chamber I（4）, high temperature pendant superheater（5）, cooling chamber II（6）、
Low temperature pendant superheater（7）, boiler drum（13）, cooling chamber III（14）, convection current evaporate tube panel I（15）, cooling chamber IV（16）, it is right
Flow evaporator tube panel II（17）, cooling chamber V（18）, convection current evaporate tube panel III（21）With economizer convection bank（22）.In cooling chamber
Ⅰ（4）It is interior to be equipped with high temperature pendant superheater（5）, in cooling chamber II（6）It is interior to be equipped with low temperature pendant superheater（7）, in cooling chamber III
（14）It is interior to be equipped with convection current evaporation tube panel I（15）, in cooling chamber IV（16）It is interior to be equipped with convection current evaporation tube panel II（17）, in cooling chamber V
（18）It is interior to be equipped with convection current evaporation tube panel III（19）.High temperature pendant superheater（5）, low temperature pendant superheater（7）, convection current evaporate tube panel
Ⅰ（15）, convection current evaporate tube panel II（17）And tube panel III is evaporated in convection current（21）The equal longitudinal arrangement of curtain wall in each cooling
Room, single curtain wall are a slab construction, and spacing is 400-450mm between curtain wall, and curtain wall is by upper
Fin between lower header and upper lower header（31）With metal boiler tube（32）Composition, upper collecting chamber collect after by piping connection pot
In stove drum, lower header collect after by supplying water to curtain wall in piping connection to boiler down-comer.
Hyperthermia radiation expansion chamber（2）, cooling chamber I（4）, cooling chamber II（6）, cooling chamber III（14）, cooling chamber IV（16）With
Cooling chamber V（18）By fin panel casing furnace wall（3）Enclosing is formed and is sequentially communicated, cooling chamber V（18）With economizer convection current
Tube bank（22）Pass through flue expansion joint（21）Connection.Smoke inlet（1）Positioned at hyperthermia radiation expansion chamber（2）Lower part, high temperature spoke
Penetrate expansion chamber（2）, cooling chamber I（4）, cooling chamber II（6）, cooling chamber III（14）, cooling chamber IV（16）With cooling chamber V（18）It adopts
With staggeredly mode of communicating, the steering that turns through 180 degree in smoke multistage cooling chamber is realized；In view of in flue gas low-temperature section because of solid dust
Cooling becomes brittleness feature, Economizer of Heat Recovery Boiler convection bank（22）I.e. back-end surfaces are set using horizontal mode reduction
Standby cost, and back-end surfaces use carbon steel pipe, the heat transfer of outer wall spray attachment and corrosion resistant fine ceramics.In order to avoid halogen member in flue gas
Element, corrosion of the element sulphur to metal wall surface, take fin panel casing furnace wall sealing structure, fin panel casing（29）Outside is metal
Seal backplate（28）, fin panel casing（29）With metal sealing backplate（28）Between laying for reduce boiler radiation loss attached wall
Fiber（30）, fin panel casing（29）Pass through angle steel skeleton（27）With metal sealing backplate（28）Sealing welding connects.
Hyperthermia radiation expansion chamber（2）, cooling chamber I（4）, cooling chamber II（6）, cooling chamber III（14）, cooling chamber IV（16）, it is cold
But room V（18）With economizer convection bank（22）Lower part is respectively provided with taper flue-dust retainer（24）, taper flue-dust retainer（24）Lower part passes through
Ash-removing valve（25）Connect ash conveyor（26）.Hyperthermia radiation expansion chamber（2）, cooling chamber I（4）, high temperature pendant superheater（5）、
Cooling chamber II（6）, low temperature pendant superheater（7）, cooling chamber III（14）, convection current evaporate tube panel I（15）, cooling chamber IV（16）, it is right
Flow evaporator tube panel II（17）, cooling chamber V（18）, convection current evaporate tube panel III（19）On carbonated drink by upper part header
Riser（10）Steam water interface after heating is introduced into boiler drum（13）, by distribution pipe from boiler drum（13）Concentration under
Drop pipe（12）The header that stove water is introduced to its underpart separately constitutes respective natural convection loop.High temperature pendant superheater
（5）With low temperature pendant superheater（7）Connect direct-contact desuperheater（11）.Hyperthermia radiation expansion chamber（2）It is additionally provided with explosion proof door（9）.
Dust-laden high-temperature flue gas is first from hyperthermia radiation expansion chamber（2）The smoke inlet of lower part（1）Into after 90 ° turn to
High-temperature flue gas is flowed up in hyperthermia radiation expansion chamber（2）Ash fall of interior completion and heat transfer process, then high-temperature flue gas
Through hyperthermia radiation expansion chamber（2）The Crust blocks pipe bundle of upper outlet（8）Sequentially enter cooling chamber I（4）, cooling chamber II（6）, cooling chamber
Ⅲ（14）, cooling chamber IV（16）, cooling chamber V（18）, enter economizer convection bank when flue-gas temperature is reduced to 300 DEG C or less
（22）, at this time the dust content in flue gas greatly reduce, it can be ensured that economizer convection bank（22）Will not dust stratification block, and it is a small amount of
Ash easily removed by soot blower.Dust-laden high-temperature flue gas eventually becomes low temperature through above-mentioned multiple ash fall and heat transfer process
Flue gas is by exhanst gas outlet（23）It discharges out of the furnace.Separation is deposited to taper flue-dust retainer（24）Dust pass through ash conveyor（26）It send
It comes out of the stove outer.
Boiler feedwater enters economizer convection bank by water pump（22）, through economizer convection bank（22）By vapour after heating
Packet feed pipe（20）It is sent into boiler drum（13）, boiler drum（13）Stove water by common downcomer（12）It draws, then the allocated
Stove moisture is fitted on hyperthermia radiation expansion chamber by pipe（2）, cooling chamber I（4）, high temperature pendant superheater（5）, cooling chamber II（6）, low temperature
Pendant superheater（7）, cooling chamber III（14）, convection current evaporate tube panel I（15）, cooling chamber IV（16）, convection current evaporate tube panel II（17）、
Cooling chamber V（18）Tube panel III is evaporated with convection current（19）, through above-mentioned evaporating heating surface heating after stove water become steam water interface,
Steam water interface is through carbonated drink tedge（10）Into boiler drum（13）, through boiler drum（13）After interior steam-water separator separation
Saturated vapor be first into low temperature pendant superheater（7）, through low temperature pendant superheater（7）The steam tentatively overheated enters spray
Water attemperator（11）, high temperature pendant superheater is re-introduced into after spray desuperheating（5）Continue the overheat for overheating, finally meeting the requirements
Steam is by high temperature pendant superheater（5）It send to steam plant outlet.It not only completes through the invention high to the high dust-laden of high temperature rotten
The waste heat recovery of corrosion flue gas, has also achieved the purpose of dedusting in stove, and the dust of collection can be used for manufacturing construction material, realize
Metallurgy industry high-temperature flue gas recycling and energy-saving and environment-friendly requirement, it is again advantageous while reducing production cost for enterprise
In the protection of atmospheric environment.
Claims (2)
1. a kind of high dust-laden highly corrosive waste heat boiler of metallurgy industry high temperature includes mainly hyperthermia radiation expansion chamber（2）, cooling chamber
Ⅰ（4）, high temperature pendant superheater（5）, cooling chamber II（6）, low temperature pendant superheater（7）, boiler drum（13）, cooling chamber III
（14）, convection current evaporate tube panel I（15）, cooling chamber IV（16）, convection current evaporate tube panel II（17）, cooling chamber V（18）, to flow evaporator
Tube panel III（19）With economizer convection bank（22）, which is characterized in that the hyperthermia radiation expansion chamber（2）, cooling chamber I（4）、
Cooling chamber II（6）, cooling chamber III（14）, cooling chamber IV（16）, cooling chamber V（18）By fin panel casing furnace wall（3）Enclose and
At and be sequentially communicated, each cooling chamber realizes that flue gas turns to, cooling chamber V using the mode of communicating that interlocks（18）With economizer convection current
Tube bank（22）Connection, smoke inlet（1）Positioned at hyperthermia radiation expansion chamber（2）Lower part；
Cooling chamber I（4）, cooling chamber II（6）It is middle to be installed with high temperature pendant superheater respectively（5）With low temperature pendant superheater（7）, high
Warm pendant superheater（5）With low temperature pendant superheater（7）Connect direct-contact desuperheater（11）, cooling chamber III（14）, cooling chamber IV
（16）, cooling chamber V（18）It is middle to be installed with convection current evaporation tube panel I respectively（15）, convection current evaporate tube panel II（17）, convection current evaporation tube
Screen III（21）, high temperature pendant superheater（5）, low temperature pendant superheater（7）, convection current evaporate tube panel I（15）, convection current evaporate tube panel II
（17）And tube panel III is evaporated in convection current（21）The equal longitudinal arrangement of curtain wall in each cooling chamber, single curtain wall is one
A tablet, curtain wall is by the fin between upper lower header and upper lower header（31）With metal boiler tube（32）Composition saves coal
Device convection bank（22）Back-end surfaces using transversely arranged；
The hyperthermia radiation expansion chamber（2）, cooling chamber I（4）, cooling chamber II（6）, cooling chamber III（ 14 ）, cooling chamber IV
（16）, cooling chamber V（18）With economizer convection bank（22）Lower part be respectively provided with taper flue-dust retainer（24）；
The hyperthermia radiation expansion chamber（2）, cooling chamber I（4）, cooling chamber II（6）, cooling chamber III（14）, convection current evaporate tube panel I
（15）, cooling chamber IV（16）, convection current evaporate tube panel II（17）, cooling chamber V（18）, convection current evaporate tube panel III（19）Pass through it
The carbonated drink tedge of top header（10）Introduce boiler drum（13）, pass through common downcomer（12）It introduces boiler water and arrives it
The header of lower part separately constitutes respective natural convection loop；
The fin panel casing furnace wall（3）Using double-level-metal sealing structure, fin panel casing（29）Outside is metal sealing
Backplate（28）, fin panel casing（29）With metal sealing backplate（28）Between laying for reduce boiler radiation loss attached wall fiber
（30）, fin panel casing（29）Pass through angle steel skeleton（27）With metal sealing backplate（28）Sealing welding connects.
2. the high dust-laden highly corrosive waste heat boiler of a kind of metallurgy industry high temperature according to claim 1, which is characterized in that remaining
The economizer convection bank of heat boiler tail portion（22）Convection current pipe outer wall spray attachment heat transfer and corrosion-proof ceramic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610074584.6A CN105605543B (en) | 2016-02-03 | 2016-02-03 | A kind of high dust-laden highly corrosive waste heat boiler of metallurgy industry high temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610074584.6A CN105605543B (en) | 2016-02-03 | 2016-02-03 | A kind of high dust-laden highly corrosive waste heat boiler of metallurgy industry high temperature |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105605543A CN105605543A (en) | 2016-05-25 |
| CN105605543B true CN105605543B (en) | 2018-08-14 |
Family
ID=55985702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610074584.6A Active CN105605543B (en) | 2016-02-03 | 2016-02-03 | A kind of high dust-laden highly corrosive waste heat boiler of metallurgy industry high temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105605543B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107795971A (en) * | 2016-08-31 | 2018-03-13 | 上海安可科技股份有限公司 | Reliable natural circulation cooling convection recuperator, cooling system and afterheat boiler system |
| CN107631639A (en) * | 2017-09-30 | 2018-01-26 | 苏州海陆重工股份有限公司 | Corner tube boiler |
| CN107654984A (en) * | 2017-10-10 | 2018-02-02 | 苏州海陆重工股份有限公司 | A kind of waste heat boiler |
| CN107906507A (en) * | 2017-12-29 | 2018-04-13 | 上海康恒环境股份有限公司 | A kind of main steam temperature is 540 DEG C of refuse incineration exhaust-heating boiler pendant superheater |
| CN109297005A (en) * | 2018-11-05 | 2019-02-01 | 南京凯盛开能环保能源有限公司 | A kind of boiler plant and method of the afterheat generating system suitable for blast-furnace cement sensible heat recycling |
| CN109458622B (en) * | 2018-11-14 | 2023-12-15 | 大连科林能源工程技术开发有限公司 | Environment-friendly energy-saving discharge system for incineration of acrylonitrile salt-containing organic waste liquid and waste gas |
| CN112664959B (en) * | 2020-12-01 | 2022-12-20 | 中国船舶重工集团公司第七一一研究所 | Equipment for incineration treatment of ammonium sulfate-containing waste liquid and resource utilization |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201382702Y (en) * | 2009-02-17 | 2010-01-13 | 盐城市锅炉制造有限公司 | Power generation boiler for low-temperature flue gas waste heat in avasite heat furnace |
| CN201935584U (en) * | 2010-12-22 | 2011-08-17 | 夏正 | W-shaped fully-naturally-circulating boiler for recycling afterheat of zinc concentrate smelting flue gas before acid production |
| WO2013039067A1 (en) * | 2011-09-16 | 2013-03-21 | 伊賀 杏子 | Negative pressure-type incinerator equipped with power generator |
| CN204404135U (en) * | 2014-12-26 | 2015-06-17 | 山东华源锅炉有限公司 | Novel colored metallic copper smelting exhaust-heat boiler |
| CN204986938U (en) * | 2015-07-22 | 2016-01-20 | 四川东华锅炉工程技术有限公司 | Energy -conserving dust removal troilite exhaust -heat boiler |
| CN204853416U (en) * | 2015-08-19 | 2015-12-09 | 四川东华锅炉工程技术有限公司 | Exhaust -heat boiler is smelted to VI flue |
| CN205351266U (en) * | 2016-02-03 | 2016-06-29 | 大连科林能源工程技术开发有限公司 | High corrosivity exhaust -heat boiler of high dust -laden of metallurgical industry high temperature |
-
2016
- 2016-02-03 CN CN201610074584.6A patent/CN105605543B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105605543A (en) | 2016-05-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105605543B (en) | A kind of high dust-laden highly corrosive waste heat boiler of metallurgy industry high temperature | |
| CN101140072A (en) | Desulfurize flue gas waste heat recovery system used in fire coal electric generating set | |
| CN105240861B (en) | A kind of high concentration salty organic waste liquid burning boiler | |
| CN103557711A (en) | Molten slag rapid cooling, granulation and waste heat recovery power generation system and method | |
| CN106197045B (en) | Afterheat boiler system, rotary hearth furnace high-temperature dust-containing flue gas processing system and method | |
| CN203534229U (en) | Power generating system for quick cooling granulating of molten slag and waste heat recovery | |
| CN107655021A (en) | A kind of method and system using absorption heat pump Mist heat recovering | |
| WO2021109324A1 (en) | Modularized natural convection boiler system for recovering waste heat of liquid slag | |
| CN104677143A (en) | Raw gas waste heat recycling and exchanging unit of anti-bonding gravity-flowing coke oven | |
| CN204986938U (en) | Energy -conserving dust removal troilite exhaust -heat boiler | |
| CN203489720U (en) | Zinc powder containing dust recovery and residual heat generation system of rotary hearth furnace | |
| CN101476015B (en) | AOD converter flue gas waste heat recovery apparatus | |
| CN201148443Y (en) | AOD revolving furnace flue gas waste heat recovery apparatus | |
| CN205878964U (en) | Heat exchanger for waste heat recovery | |
| CN201103915Y (en) | Desulfurized flue gas waste heat recovery system for fire coal generator set | |
| CN101592332B (en) | Waste heat boiler for recovering waste heat generated by incineration of wastes from polysilicon purification process | |
| CN205351266U (en) | High corrosivity exhaust -heat boiler of high dust -laden of metallurgical industry high temperature | |
| CN201407634Y (en) | Heat recovery boiler with soot deposit prevention and corrosion-resistant structure | |
| CN204478876U (en) | A kind of anti stick gravity flow waste heat of coke oven crude gas reclaims heat exchange unit | |
| CN110093465B (en) | Blast furnace slag flushing steam whitening system and method | |
| CN209857017U (en) | Boiler device of waste heat power generation system suitable for blast furnace slag sensible heat recovery | |
| CN202065978U (en) | Boiler utilizing waste heat in tail smoke gas of steel rolling heating furnace | |
| CN106195968A (en) | Flue gas processing device and rotary hearth furnace high-temperature high dust smoke processing system | |
| CN112283681A (en) | Angle tube boiler with tail quenching heating surface | |
| CN206739251U (en) | Industrial Boiler afterheat generating system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |