CN205957178U - Pre -heater for sintering ignition furnace - Google Patents
Pre -heater for sintering ignition furnace Download PDFInfo
- Publication number
- CN205957178U CN205957178U CN201620698944.5U CN201620698944U CN205957178U CN 205957178 U CN205957178 U CN 205957178U CN 201620698944 U CN201620698944 U CN 201620698944U CN 205957178 U CN205957178 U CN 205957178U
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- CN
- China
- Prior art keywords
- ignition furnace
- preheater
- heater
- coal gas
- delivery pipe
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
-
- 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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Abstract
The utility model discloses a pre -heater for sintering ignition furnace belongs to the pre -heater field, including cold air transportation pipe, hot air transportation pipe and pre -heater, the pre -heater setting is connected with cold air transportation pipe and hot air pipeline in the ignition furnace soaking zone, and the pre -heater includes the heat exchange tube, and the heat exchange tube comprises parallel straight tube and the elbow of multiunit to at the intraductal heat accumulation piece that sets up, the heat exchange tube is installed in ignition furnace soaking zone furnace body upper portion with the folding mode. Adopt the pre -heater of above -mentioned structure, can make through ignition furnace self furnace's temperature to reach the uniform temperature and get into the gas mixing burning in the nozzle, improvement combustion temperature through the air in the pre -heater to reduce the consumption of fuel, stop simultaneously or delay since in the coal gas moisture often stop up the phenomenon that nozzle coal gas core managed with impurity.
Description
Technical field
This utility model is related to preheater field, and specifically, this utility model is related to a kind of sintering ignition furnace preheating
Device.
Background technology
Sintering is metallurgy industry, and the important component part of Ore set-up procedure particularly in smelting iron and steel, is also shadow simultaneously
Ring one of key operation of whole smelting process energy consumption index.Sintering is a kind of processing side providing " concentrate " for blast furnace process
Method, its essence is ready various raw materials（Concentrate, breeze, fuel, flux, return mine and iron content produces waste material etc.）, by one
Certainty ratio through dispensing, mixing with pelletize, obtain satisfactory sintering feed, sintering feed is through igniting by the burning of carbon and iron mine
The oxidation of thing and produce high temperature, so that part composition in sintering feed is softened and melt, occur chemical reaction to generate a number of
Liquid phase, is mutually bonded to block, the product of its process is in sintering deposit during cooling.
In sintering process, ignition furnace will reach certain firing temperature, could meet SINTERING PRODUCTION.Certain for reaching
Temperature, the temperature of combustion air generally to be improved or coal gas, to improve firing temperature or to reduce gas consumption.
Content of the invention
Technical problem to be solved in the utility model is that offer is a kind of makes full use of the heat of itself in ignition furnace burner hearth
Preheating enters the air of burner or a kind of preheater of sintering ignition furnace of coal gas.
In order to solve above-mentioned technical problem, this utility model be employed technical scheme comprise that：A kind of sintering ignition furnace is with advance
Hot device, including cold air delivery pipe, hot air delivery pipe and preheater, one end of described cold air delivery pipe is connected to combustion air
On machine outlet conduit, the other end of cold air delivery pipe is connected on preheater, and one end of described hot air delivery pipe is connected to
On the burner of sintering ignition furnace body, the other end of hot air delivery pipe is connected on preheater, and described preheater is arranged on a little
It is connected with cold air delivery pipe and hot-air duct in stove soaking zone, described preheater includes heat exchanger tube, and heat exchanger tube is by many
Organize parallel straight tube and elbow composition, and heat storage plate is set in pipe, heat exchanger tube is installed on ignition furnace insulation in a folded fashion
Section upper of furnace body.
Preferably, described heat exchanger tube top is provided with boatswain chair.
Preferably, described preheater equally directly can be passed through cold coal with preheating gas in preheater when preheating gas
Gas can preheat to cooled coal gas, and preheating cooled coal gas is identical with the principle of preheating cold air.
Using the technical solution of the utility model, following beneficial effect can be obtained：
Preheated sinter ignition furnace of the present utility model, arranges preheater in the soaking zone of ignition furnace, and arranges in pipe
Heat storage plate, it is therefore an objective to utilize radiations heat energy preheated air or the coal gas of ignition furnace soaking zone, makes cold air or cooled coal gas in heat exchange
Ignition furnace soaking zone waste heat is fully absorbed in device.
Using the preheater of said structure, can be made by the sky in preheater by the temperature of ignition furnace itself burner hearth
Gas or coal gas reach uniform temperature so that the coal gas entering in sintering process burner burns completely, improves ignition temperature, thus dropping
The consumption of low fuel, prevents simultaneously or delays because moisture and impurity are frequently occluded the phenomenon of burner coal gas core pipe in coal gas.
Brief description
To this specification, the labelling of the content expressed by each accompanying drawing and in figure makes brief description below：
Fig. 1 is the structural representation of sintering ignition furnace；
Fig. 2 is sintering ignition furnace pipeline configuration schematic diagram in Fig. 1；
Fig. 3 is the front view of sintering ignition furnace in Fig. 2；
Fig. 4 is the structural representation of sintering ignition furnace preheater；
The labelling of above-mentioned in figure is：1st, sintering ignition furnace body；2nd, preheater；3rd, burner；4th, air line；41st, cold
Air delivery pipe；42nd, hot air outlet；43rd, hot air delivery pipe；44th, combustion fan outlet conduit；5th, gas conveying tube；6、
Preheating section；7th, heat exchanger tube.
Specific embodiment
Below against accompanying drawing, by the description to embodiment, to specific embodiment of the present utility model as involved
Mutual alignment between the shape of each component, construction, each several part and annexation, the effect of each several part and operation principle etc. make into
The detailed description of one step.
As shown in figure 1, this preheated sinter ignition furnace includes sintering ignition furnace body 1 and preheater 2, sintering ignition furnace is originally
Body 1 and preheater 2 are arranged on unitary design on same chassis, and burner 3 is arranged on sintering ignition furnace body 1 top to raw material
It is sintered.
As shown in Fig. 2 ~ 3, for this sintering ignition furnace pipeline configuration schematic diagram, cold air is by air line 4 from cold air
Entrance enters in preheating section 6, and cold air is conveyed through hot air delivery pipe 43 by hot air outlet 42 after the heating of preheating section 6
Burn to burner 3, cooled coal gas delivery pipe is connected to and supplies for sintering ignition furnace on factory's gas main；In the same manner, if necessary to right
Cooled coal gas is preheated, and being directly passed through cooled coal gas in pipeline 4 can preheat to cooled coal gas when preheating gas, repeat on
The step stating preheated air, is conveyed to burner 3 through gas conveying tube 5 after cooled coal gas is preheated and uses.
As shown in figure 4, being the structural representation of preheating section 6 in preheater 2, preheating section 6 is arranged in preheating furnace, preheating section
Setting heat exchanger in 6, heat exchanger is made up of heat exchanger tube 7, and heat exchanger tube 7 is to be formed by many straight tubes and elbow docking, and cold air is
Cold air delivery pipe 41 is flowed through by combustion fan outlet conduit 44 and enters in preheating section 6, by the folding guard system of heat exchanger tube 7
The temperature absorbing in stove is heated to cold air or coal gas, and bend part is to be formed by two 90 degree of elbows docking, so may be used
With buffer gas flow velocity, in order to the more preferable preheating to internal gas.After the completion of preheating, gas directly passes through hot air outlet 42
Output supply burner 3 uses.
Above-mentioned heat exchanger is made up of multigroup straight tube and elbow, and arranges heat storage plate in pipe, and a whole set of heat-exchange system is permissible
According to the specification being specifically actually needed change heat exchanger tube 7 and length and quantity.
Sintering ignition furnace heat exchanger tube 7 of the present utility model is directly made up of pipeline, simple and reasonable, is easy to construction reformation
And the maintenance in later stage, simultaneously higher to the organic efficiency of heat energy, both air can also can be preheated to coal gas.
This utility model point sintering ignition furnace heat exchanger tube 7 both can have been preheated to air it is also possible to carry out pre- to coal gas
Heat, whole pre-heating system preheats efficiency high.
Using the preheater of said structure, can be made by the sky in preheater by the temperature of ignition furnace itself burner hearth
Gas or coal gas reach uniform temperature so that the coal gas entering in sintering process burner 3 burns completely, improves ignition temperature, thus dropping
The consumption of low fuel, prevents simultaneously or delays because moisture and impurity are frequently occluded the phenomenon of burner coal gas core pipe in coal gas.
Above in conjunction with accompanying drawing, this utility model is exemplarily described it is clear that this utility model implements is not subject to
The restriction of aforesaid way, as long as employ changing of the various unsubstantialities that method design of the present utility model is carried out with technical scheme
Enter, or not improved by of the present utility model design and technical scheme directly apply to other occasions, all in this utility model
Protection domain within.
Claims (3)
1. a kind of sintering ignition furnace preheater, including cold air delivery pipe, hot air delivery pipe and preheater, described cold air
One end of delivery pipe is connected on combustion fan outlet conduit, and the other end of cold air delivery pipe is connected on preheater, described
One end of hot air delivery pipe is connected on the burner of sintering ignition furnace body, and the other end of hot air delivery pipe is connected to preheating
On device it is characterised in that：Described preheater is arranged in ignition furnace soaking zone and is connected with cold air delivery pipe and hot-air duct,
Described preheater includes heat exchanger tube, and heat exchanger tube is made up of multigroup parallel straight tube and elbow, and arranges heat storage plate in pipe, changes
Heat pipe is installed on ignition furnace soaking zone upper of furnace body in a folded fashion.
2. sintering ignition furnace preheater according to claim 1 it is characterised in that：Described heat exchanger tube top is provided with hangs
Plate.
3. sintering ignition furnace preheater according to claim 1 it is characterised in that：Described preheater equally can preheat
Coal gas, being directly passed through cooled coal gas in preheater can preheat to cooled coal gas when preheating gas, preheating cooled coal gas with pre-
The principle of hot cold air is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620698944.5U CN205957178U (en) | 2016-07-06 | 2016-07-06 | Pre -heater for sintering ignition furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620698944.5U CN205957178U (en) | 2016-07-06 | 2016-07-06 | Pre -heater for sintering ignition furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205957178U true CN205957178U (en) | 2017-02-15 |
Family
ID=57969314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620698944.5U Active CN205957178U (en) | 2016-07-06 | 2016-07-06 | Pre -heater for sintering ignition furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205957178U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090918A (en) * | 2016-07-06 | 2016-11-09 | 安徽诚铭热能技术有限公司 | A kind of sintering ignition furnace preheater |
| CN113942985A (en) * | 2021-10-15 | 2022-01-18 | 马有苏夫 | Yellow phosphorus gasification combustion furnace |
-
2016
- 2016-07-06 CN CN201620698944.5U patent/CN205957178U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090918A (en) * | 2016-07-06 | 2016-11-09 | 安徽诚铭热能技术有限公司 | A kind of sintering ignition furnace preheater |
| CN113942985A (en) * | 2021-10-15 | 2022-01-18 | 马有苏夫 | Yellow phosphorus gasification combustion furnace |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |