CN205607174U - Novel heat accumulation formula waste heat power generation system - Google Patents
Novel heat accumulation formula waste heat power generation system Download PDFInfo
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- CN205607174U CN205607174U CN201620394318.7U CN201620394318U CN205607174U CN 205607174 U CN205607174 U CN 205607174U CN 201620394318 U CN201620394318 U CN 201620394318U CN 205607174 U CN205607174 U CN 205607174U
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- fire cabinet
- waste heat
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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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- 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
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model discloses a novel heat accumulation formula waste heat power generation system, it includes 1# fire cabinet, 2# fire cabinet, fire cabinet system steam pocket, fire cabinet systemic circulation pump, exhaust -heat boiler, exhaust -heat boiler steam pocket, the female pipe of steam, heat accumulator, turbo generator set, softened water tank, waste heat power generation system water -feeding pump, 1# fire cabinet and 2# fire cabinet pass through pipeline UNICOM with the cabinet system steam pocket of angering respectively, fire cabinet systemic circulation pump passes through pipeline UNICOM with 1# fire cabinet and 2# fire cabinet, the female pipe of fire cabinet system's steam pocket and steam is through pipeline UNICOM, the female pipe of steam passes through pipeline UNICOM with exhaust -heat boiler steam pocket and heat accumulator, the heat accumulator passes through pipeline UNICOM with turbo generator set, turbo generator set and softened water tank pass through pipeline UNICOM, softened water tank passes through pipeline UNICOM with waste heat power generation system water -feeding pump, waste heat power generation system water -feeding pump passes through pipeline UNICOM with exhaust -heat boiler, 1# fire cabinet and 2# fire cabinet. In coloured smelting - - - adopt this system to carry out waste heat utilization with the electricity generation in the antimony smelting trade, have positive favourable effect to the energy saving and consumption reduction of enterprise, society and national energy saving and emission reduction, environmental protection etc..
Description
Technical field
This utility model relates to cogeneration field, particularly relates to fiery cabinet and the waste heat pot of stibium melting furnace
The steam that stove produces enters the heat accumulating type waste heat power generation system of thermophore.
Background technology
The smelting process of metallic antimony in coloured industry, can be divided into pyrogenic process and the big class of wet method two, the most still with
Pyrogenic process is main.Pyrogenic process antimony is smelted the most first through volatilization roasting (melting) output stibium oxide, then carries out
Reduction melting or refine, output metallic antimony.Additionally, high-grade antimony ore or concentrate be may be used without
Precipitation process direct output metallic antimony.And most domestic enterprise still uses volatilization roasting at present
This method of reduction melting.
Volatilization roasting reduction melting is the smelting process that most domestic enterprise is current, by antimony
Blast roasting is carried out in the reduction raw material addition stibium melting furnace blast furnace such as ore deposit and relevant coke.Drum
Wind furnace volatile smelting is generally used for processing the antimony sulfide ore (main component Sb2S3) containing antimony 30%～50%
Or composite ore.This method is strong to adaptability to raw material, in addition to output stibium oxide (Sb2O3), also produces a small amount of
Needle antimony and antimony sulfonium.The stibium oxide (Sb2O3) produced, after also need to be reflected stove reduction melting and produce
Go out needle antimony product, containing antimony 96%～97%.
And stibium oxide (Sb2O3) concentrate required for volatilization roasting and volatile smelting, tradition smelter
Skill mainly take blast furnace out of by flue gas during stibium melting furnace blast furnace smelting and fire cabinet,
Settle collection in the equipment such as surface cooler and bag-type dust after cooling to obtain.Smelting temperature in blast furnace
At about 1300 DEG C, carry the flue gas of stibium trioxide powder secretly and after going out blast furnace, enter 1# fire cabinet temperature substantially exist
About 1000 DEG C, the flue gas then carrying stibium trioxide powder secretly enters 1# fire cabinet, 2# fire cabinet, 3# fire cabinet, passes through
Obtaining solidification sedimentation after the water jacket water flowing cooling of fire cabinet cabinet, flue gas is the most also cooled to relevant temperature.
Then the flue gas carrying stibium trioxide powder secretly is going out 3# fire cabinet, and when entering surface cooler, temperature is the most also on 500 DEG C of left sides
The right side, in surface cooler, stibium trioxide powder major part is all settled, is deposited.Also have part dust, Jing Guobiao
After cooler, flue-gas temperature drops to 120-180 DEG C, is put into sack cleaner and proceeds sedimentation, filters
Dedusting, flue gas is extracted out by air-introduced machine and is entered air (as shown in Figure 1) subsequently.
Therefore, from the point of view of traditional smelting process of blast furnace, smelting process is carried stibium trioxide powder secretly
(Sb2O3) high-temperature flue gas falls below to temperature when entering sack cleaner from coming out of the stove about 1000 DEG C
About 180 DEG C, heat is all to be lost by the various types of cooling and do not utilize, and this just wastes greatly
Amount heat energy, consume substantial amounts of smelting energy coke etc., allow enterprise, society, country energy
Source form is more acute.
Prior art is in order to improve the energy efficiency that nonferrous smelting antimony is smelted, currently mainly
Energy recovery Land use systems be cancel tradition smelting process in 3# fire cabinet and surface cooler, 2# fire cabinet it
Afterwards and place 1 waste heat boiler between sack cleaner and carry out waste heat recovery, additionally transformation 1# fire cabinet and 2#
Fire cabinet so that the operation of fire cabinet is become Vaporizing cooling mode by original water-cooling pattern, through 1#, 2#
Steam water interface after fire cabinet and high-temperature flue gas heat exchange is carried out by the drum of pipeline entrance waste heat boiler
Steam-water separation produces saturated vapor, the saturated vapor of production use for enterprise other production technologies or
It is used for generating electricity.
In sum, the problem that prior art exists is as follows: during antimony is smelted, substantial amounts of high temperature
Flue gas is all wasted as the heating agent of cooling medium after going out stibium melting furnace blast furnace, is lost,
Traditional UTILIZATION OF VESIDUAL HEAT IN mode also simply cancels 3# fire cabinet and surface cooler increases waste heat boiler, for 1# fire
Cabinet, the thermal source of 2# fire cabinet are also to enter waste heat boiler drum by the steam water interface after being heated to enter
Row reclaims.And this waste heat recycling system or mode, due to the life of stibium melting furnace blast furnace
Produce and periodically (need regular blowing out to remove the stibium trioxide powder of fire cabinet), cause the production of steam also can be subject to
Impact and intermittent, this is unfavorable for the generating production technology that source of the gas is to be aspired for stability, and is also unfavorable for vapour
The stable operation of wheel unit electrification technique as well as；In addition 1# fire cabinet, 2# fire cabinet back warp cross the soda pop after heating
Mixture is directly entered the drum of waste heat boiler and carries out steam-water separation, owing to 1# fire cabinet, 2# fire cabinet are from remaining
Heat boiler has certain distance, so during entering waste heat boiler drum from pipeline, can lose portion
Dividing heat, a part of steam can again be condensed into water during waste heat boiler drum is removed in conveying, subtract
Few steam production.
Utility model content
Because the problems referred to above, the purpose of this utility model is to provide a kind of afterheat generating system, in order to
Solve above-mentioned problem of the prior art and deficiency.
In order to realize the purpose of this utility model, this utility model provides a kind of afterheat generating system, it
Including 1# fire cabinet, 2# fire cabinet, fire cabinet system drum, fire cabinet system circulating pump, waste heat boiler, waste heat
Boiler-steam dome, steam main, thermophore, Turbo-generator Set, softened water tank, afterheat generating system are given
Water pump, described 1# fire cabinet and 2# fire cabinet pass through pipeline UNICOM, described fire cabinet respectively with fire cabinet system drum
System circulating pump and 1# fire cabinet and 2# fire cabinet pass through pipeline UNICOM, and described fire cabinet system drum and steam are female
Pipe passes through pipeline UNICOM by pipeline UNICOM, described steam main with waste heat boiler drum and thermophore,
Described thermophore is led to softened water tank by pipeline UNICOM, described Turbo-generator Set with Turbo-generator Set
Piping UNICOM, described softened water tank and afterheat generating system feed pump are by pipeline UNICOM, described waste heat
Electricity generation system feed pump and waste heat boiler, 1# fire cabinet and 2# fire cabinet are by pipeline UNICOM.
According to the afterheat generating system of technical solutions of the utility model, solve nonferrous smelting antimony smelting
In sweetening process, original waste heat does not obtain the problem of Appropriate application, has well reclaimed in antimony smelting process
The heat that high-temperature flue gas is taken out of, it is ensured that the safe and continuous that nonferrous smelting antimony is smelted is run；And,
With tradition, antimony is smelted compared with residual neat recovering system, the utilization of double flow job contract skill, add the product of steam
Tolerance, improves the efficiency of system, it is to avoid the intercooling of steam；The supporting utilization of thermophore, makes
The interruption obtaining smelting process does not interferes with the stable operation of whole generating set so that smelting furnace short-term is stopped
During stove, well ensure that the continuous operation of Turbo-generator Set.
Accompanying drawing explanation
Accompanying drawing is to provide for being further appreciated by of the present utility model, and it comprises in the present note and structure
Become a part for description.Accompanying drawing illustrates embodiment and for explaining this technology together with description
Principle.
Fig. 1 is not transform the front antimony main process chart of flue gas during smelting system；
Fig. 2 is the antimony main process chart of flue gas during smelting system after transformation；
Fig. 3 is that existing antimony smelts waste heat recovery boiler circuit flow chart；
Fig. 4 is that the antimony of this patent solution technique smelts waste heat recovery boiler circuit flow chart；
Detailed description of the invention
Detailed description of the invention of the present utility model is described below in conjunction with the accompanying drawings.
1, total system transformation
In the integrated artistic flow process that nonferrous smelting antimony is smelted, antimony ore in blast furnace and coke etc.
Reduction raw material reacts, and is not to directly generate finished product antimony, but generates the intermediate products of various antimony
Stibium oxide (Sb2O3) etc..
Closed blast furnace volatilization metal smelting antimony process, the flue gas that waste heat is utilized is antimony smelting blast furnace
Produce, the main component antimonous sulfide in the raw materials for metallurgy stibnite concentrate of this smelting equipment
(Sb2S3) being easier volatilization, antimonous sulfide (Sb2S3) is at high temperature (1300 DEG C) smelting furnace
Smelt in atmosphere and volatilize, then react with the oxygen (O2) in the air blasted, generate oxidation
Antimony (Sb2O3) and sulfur dioxide (SO2)；
Sb2S3 (g)+9/2O2 (g)=Sb2O3 (g)+3SO2 (g)；
This is the main production course of reaction in blast furnace.
So, flue gas flow is main as it is shown in figure 1, by the air inducing of air-introduced machine (7), part the most not and
Antimonous sulfide (Sb2S3) and oxidation antimony powder (Sb2O3) that oxygen (O2) reacts are drawn into 1#
Fire cabinet (2), and temperature at this moment is the highest 1000-1100 DEG C, the part trisulfides two being drawn out of
Oxygen (O2) reaction that antimony (Sb2S3) continues and is drawn out of, generates stibium oxide (Sb2O3),
The atmosphere such as stibium oxide (Sb2O3) in this atmosphere and antimonous sulfide (Sb2S3), part is at fire
Also to continue reaction in cabinet, eventually form mixture dust or the block of stibium oxide and antimony trisulfide.In like manner,
At 2# fire cabinet (3), composition response situation inner for 1# fire cabinet (2), only 2# fire cabinet also can occur
(3) inner Dust antimony trisulfide is the fewest, and it is enough, mainly stibium oxide (Sb2O3).At 3#
Fire cabinet (4) is essentially all dust (mainly stibium oxide), the most minimal amount of antimonous sulfide
Etc. other dust.High-temperature flue gas out subsequently enters surface cooler (5) from 3# fire cabinet (4), cloth bag removes
Dirt devices (6) etc., are then entered air by chimney (8), and the flow process completing production technology is disposed.
After the process optimization of this patent, original 3# fire cabinet (4) and surface cooler (5) position by
Newly-built waste heat boiler (9) replaces, the flue gas system technological process after transformation as shown in Figure 2:
2, double flow bag list waste heat boiler heat accumulating type waste heat power generation system
Current existing antimony smelting process flow process heat recovery flue gas modernization system and this patent scheme
Similar, the most as shown in fig. 2, but boiler circuit is different from this patent, and traditional scheme soda pop is
System moves towards as shown in Figure 3:
Compared with this patent, tradition antimony is smelted and is reclaimed boiler circuit flow process, and antimony smelting blast furnace is out
Flue gas is through 1# fire cabinet (2), 2# fire cabinet (3) partially recycled waste heat, the saturation water in fire cabinet
Being heated as steam water interface, the drum (9-1) being then delivered to waste heat boiler (9) carries out soda pop
Separate and produce saturated vapor.Waste heat boiler (9) utilizes from 2# fire cabinet about 800 DEG C of high-temperature flue gas out,
Carry out heat exchange and produce saturated vapor.After the drum (9-1) of waste heat boiler (9) carries out steam-water separation,
Saturated vapor is put into Turbo-generator Set (13) and generates electricity, saturation water go successively to waste heat boiler,
Fire cabinet is delivered into fire cabinet heat-exchange system by fire cabinet system circulating pump (16) and produces steam.Through steamer
Generating set (13) distributes the exhaust steam after electricity and enters softened water tank (14) storage after supercooling,
Then by afterheat generating system feed pump (15), water inner for softened water tank (14) is transported to waste heat boiler
It is circulated utilization, produces steam.
And this patent institute difference, as shown in Figure 4:
In this patent, 1# fire cabinet (2), the saturation water of 2# fire cabinet (3) are circulated by fire cabinet system
Pump (16) is recycled into fire cabinet system, fire cabinet system drum (10) independently carry out steam-water separation,
The 1.6MPa that the 1.6MPa saturated vapor produced is produced by steam main (11) and waste heat boiler (9)
Saturated vapor mixes, and carries out blood pressure lowering subsequently into thermophore (12), and steam pressure reduces to 1.0MPa,
1.0MPa saturated vapor after voltage stabilizing enters Turbo-generator Set (13) and generates electricity.And pass through
Steam pressure-reducing process after thermophore, allows for the middle furnace shutting down process in antimony smelting process, is not having
The when of having the thermal source source that high-temperature flue gas provides waste heat, can continue to produce the full of 1.0MPa
With steaming time 30-60 minute (concrete time be actually needed determine) according to scene, fully meet
The power generation needs of unit.Exhaust steam after distributing electricity enters softened water tank (14) through supercooling, and through remaining
Heat generating system feed pump (15) conveying carries out waste heat boiler (9), 1# fire cabinet (1) and 2# fire cabinet
(3) cyclic production steam.
Claims (3)
1. a double flow bag heat accumulating type waste heat power generation system, it is characterised in that: it include 1# fire cabinet,
2# fire cabinet, fire cabinet system drum, fire cabinet system circulating pump, waste heat boiler, waste heat boiler drum, steaming
Vapour mother pipe, thermophore, Turbo-generator Set, softened water tank, afterheat generating system feed pump, described 1#
Fire cabinet and 2# fire cabinet respectively with fire cabinet system drum by pipeline UNICOM, described fire cabinet system circulating pump with
1# fire cabinet and 2# fire cabinet are joined by pipeline by pipeline UNICOM, described fire cabinet system drum and steam main
Logical, described steam main and waste heat boiler drum and thermophore by pipeline UNICOM, described thermophore with
Turbo-generator Set passes through pipeline UNICOM, and described Turbo-generator Set passes through pipeline UNICOM with softened water tank,
Described softened water tank is fed water by pipeline UNICOM, described afterheat generating system with afterheat generating system feed pump
Pump and waste heat boiler, 1# fire cabinet and 2# fire cabinet are by pipeline UNICOM.
2. afterheat generating system as claimed in claim 1, it is characterised in that be to utilize 2 drums
The waste heat smelting antimony reclaims.
3. afterheat generating system as claimed in claim 1, it is characterised in that thermophore is female with steam
Pipe UNICOM, and with Turbo-generator Set UNICOM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620394318.7U CN205607174U (en) | 2016-05-05 | 2016-05-05 | Novel heat accumulation formula waste heat power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620394318.7U CN205607174U (en) | 2016-05-05 | 2016-05-05 | Novel heat accumulation formula waste heat power generation system |
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| Publication Number | Publication Date |
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| CN205607174U true CN205607174U (en) | 2016-09-28 |
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| CN201620394318.7U Active CN205607174U (en) | 2016-05-05 | 2016-05-05 | Novel heat accumulation formula waste heat power generation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106643191A (en) * | 2017-02-08 | 2017-05-10 | 中冶华天工程技术有限公司 | Power generation system based on steel smelting furnace and steel rolling heating furnace waste heat integration |
-
2016
- 2016-05-05 CN CN201620394318.7U patent/CN205607174U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106643191A (en) * | 2017-02-08 | 2017-05-10 | 中冶华天工程技术有限公司 | Power generation system based on steel smelting furnace and steel rolling heating furnace waste heat integration |
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| GR01 | Patent grant |