CN207512197U - A kind of air blast fuel factor control device - Google Patents
A kind of air blast fuel factor control device Download PDFInfo
- Publication number
- CN207512197U CN207512197U CN201720320907.5U CN201720320907U CN207512197U CN 207512197 U CN207512197 U CN 207512197U CN 201720320907 U CN201720320907 U CN 201720320907U CN 207512197 U CN207512197 U CN 207512197U
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- China
- Prior art keywords
- gas
- control device
- air blast
- fuel factor
- factor control
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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
- Y02P10/20—Recycling
Abstract
The utility model discloses a kind of air blast fuel factor control devices, field is run applied to blast-furnace top gas recovery turbine generating set, the air blast fuel factor control device is set on the gas piping connected between blast-furnace top gas recovery turbine generating set and blast furnace, which includes：Source nitrogen, gas cooling header, M roads transfer pipeline；The air inlet of gas cooling header is connected with source nitrogen, and the gas outlet of gas cooling header in M roads transfer pipeline and gas piping by connecting.It is solved by the utility model and increases the technical issues of excessively high against coal gas in pipeline during operation power and blast-furnace top gas recovery turbine generating set temperature in the prior art, air blast heat can be effectively reduced, ensures blast-furnace top gas recovery turbine generating set safe and stable operation.
Description
Technical field
The utility model is related to blast-furnace top gas recovery turbine generating set operation field more particularly to a kind of air blast fuel factors
Control device.
Background technology
Blast furnace in a short time blowing-out when, blast-furnace top gas recovery turbine generating set due to there is no coal gas by turbine,
Unit does not generate electricity at this time, but generator makees motor running, and dragging turbine operation, until blast furnace restores to blow, this is transported
Row state is known as inverse operation power.During inverse operation power, turbine blade generates air blast heat with blast furnace gas friction in pipeline, by
It is limited in coal gas circulation in pipeline, it generates air blast heat and causes turbine cylinder body in the short time, rotor blade and outlet gas piping
Temperature rises 100 DEG C or more, if be not controlled, thermal shock can result in flow of metal and even damage, and prestige is caused to operation production
The side of body.
Original inverse electric power air blast thermal control measure is the bypass valve by opening turbine gas piping, makes air blast
It is recycled in turbine pipeline and bypass duct.But find effectively to radiate in application process, lead to coal gas in pipeline
It is increased with blast-furnace top gas recovery turbine generating set temperature excessively high.
Utility model content
The utility model embodiment is solved in the prior art by providing a kind of air blast fuel factor control device against electric power
Coal gas and blast-furnace top gas recovery turbine generating set temperature increase the technical issues of excessively high in pipeline during operation.
The utility model embodiment provides a kind of air blast fuel factor control device, is set to blast-furnace top gas recovery turbine hair
On the gas piping connected between motor group and blast furnace, the air blast fuel factor control device includes：Source nitrogen, gas cooling connection
Case, M roads transfer pipeline；The air inlet of the gas cooling header is connected with the source nitrogen, and the gas cooling header goes out
Gas port in M roads transfer pipeline and the gas piping by connecting.
Optionally, radially even on the tube wall of the gas piping to offer M through-hole, M roads transfer pipeline is each
It is connected in the gas piping from by one in the M through-hole, M is positive integer.
Optionally, the distance between the M through-hole and the blast-furnace top gas recovery turbine generating set are less than the M
The distance between through-hole and the blast furnace.
Optionally, it is radially even on the tube wall of the gas piping to offer 4 either 5 or 6 or 8 institutes
Through-hole is stated, the way of the transfer pipeline is identical with the number of the through-hole.
Optionally, the nozzle being connected in the gas piping of each transfer pipeline docks in the transfer pipeline of the M roads
There is nozzle.
Optionally, the jet direction of the nozzle is identical with the coal gas conveying direction of the gas piping.
Optionally, the nozzle is specially angle nozzle, and the angle of the angle nozzle is facing towards the gas piping
Tube wall.
Optionally, the air blast fuel factor control device further includes：Pipeline detection element and startup controller；
The pipeline detection element is set in the gas piping, the startup control input of the gas cooling header
It holds, the unlatching control signal of the source nitrogen is electrically connected respectively by the startup controller with the pipeline detection element
It connects.
The one or more technical solutions provided in the utility model embodiment, at least have the following technical effect that or excellent
Point：
Since air blast fuel factor control device includes source nitrogen, gas cooling header and M roads transfer pipeline；Gas cooling joins
The air inlet of case is connected with source nitrogen, and the gas outlet of gas cooling header in M roads transfer pipeline and gas piping by connecting.From
And gas piping is injected into after can nitrogen be cooled down, nitrogen after cooling is mixed with blast furnace gas, to reduce in gas piping
Gas temperature, avoid the outlet of gas piping, the turbine cylinder body of blast-furnace top gas recovery turbine generating set, rotor blade temperature
Rise excessively high, guarantee blast-furnace top gas recovery turbine generating set safe and stable operation hot so as to be effectively reduced air blast.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiment of the utility model, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is the structure diagram of air blast fuel factor control device in the utility model；
Fig. 2 is the scheme of installation of nozzle in the utility model.
Specific embodiment
Purpose, technical scheme and advantage to make the utility model embodiment are clearer, new below in conjunction with this practicality
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, those of ordinary skill in the art's all other embodiments obtained without creative efforts, belongs to
The range of the utility model protection.
Refering to what is shown in Fig. 1, air blast fuel factor control device provided by the utility model, is set to blast-furnace top gas recovery turbine
On the gas piping 1 connected between generating set and blast furnace.
Refering to what is shown in Fig. 1, air blast fuel factor control device provided by the utility model includes：Source nitrogen (not shown), gas
Body cooling header 21, M roads transfer pipeline 22；The air inlet of gas cooling header 21 is connected with source nitrogen, gas cooling header 21
Gas outlet by being connected in M roads transfer pipeline 22 and gas piping 1.
Source nitrogen be used for gas cooling header 21 provide nitrogen, gas cooling header 21 to the nitrogen that source nitrogen provides into
Row cooling, nitrogen after cooling by M roads transfer pipeline 22 are delivered in gas piping 1 and are mixed with blast furnace gas simultaneously, so as to
The temperature of the blast furnace gas in gas piping 1 is reduced, so as to effectively reduce air blast heat.
M roads transfer pipeline 22 enters the position of gas piping 1 along 1 radially uniform setting of gas piping.M can be 4 or
Person 5 either 6 or 8.I.e.：The gas outlet of gas cooling header 21 by 4 road transfer pipelines 22 or 5 road transfer pipelines 22 or
It is connected in 6 road transfer pipeline 22 of person or 8 road transfer pipelines 22 and gas piping 1.
Specifically, in order to be connected in M roads transfer pipeline 22 and gas piping 1, on the tube wall of gas piping 1 radially
It is even to offer M through-hole, the aperture of each through-hole in M roads transfer pipeline 22 outside the pipe of transfer pipeline all the way 22 to be connect
Diameter matches.
, can be identical each other with the caliber (bore and pipe outside diameter) of M roads transfer pipeline 22 in specific implementation process, M
The aperture of through-hole is identical each other.
Transfer pipeline 22 and the junction of gas piping 1 seal.The number of through-hole is identical with the way of transfer pipeline 22.Tool
Body, it is radially even on the tube wall of gas piping 1 to offer 4 through-holes either 5 through-holes either 6 through-holes or 8
A through-hole.
For example, it is one-to-one logical to be uniformly arranged in the radial direction with 4 road transfer pipeline, 22,4 road transfer pipeline 22 along gas piping 1
4 through-holes are crossed to be connected in gas piping 1.For example, it is uniformly arranged in the radial direction with 8 road transfer pipeline, 22,8 tunnel along gas piping 1
Transfer pipeline 22 is one-to-one to be connected to by 8 through-holes in gas piping 1.
It should be noted that the distance between M through-hole and blast-furnace top gas recovery turbine generating set be less than M through-hole and
The distance between blast furnace, so as to provide more preferable cooling effect to blast-furnace top gas recovery turbine generating set.
In one embodiment, in M roads transfer pipeline 22 each transfer pipeline 22 the nozzle pair being connected in gas piping 1
It is connected to nozzle 23.So as to increase the pressure for the nitrogen after cooling for entering gas piping 1, so as to which snap action is in blast furnace gas
The air blast heat that waste pressure turbine generating set position generates.
Specifically, refering to what is shown in Fig. 2, the jet direction of nozzle 23 is identical with the coal gas conveying direction of gas piping 1.Spray
From blast furnace to blast-furnace top gas recovery turbine generating set direction, coal gas conveying direction is also supreme from blast furnace in the jet direction of mouth 23
Producer gas waste pressure turbine generating set direction, so as to which cooling gas be enable to directly act on blast-furnace top gas recovery turbine generator
Group air blast heat, so as to more effectively ensure blast-furnace top gas recovery turbine generating set highly effective and safe operation, and can avoid from
The dust that blast furnace comes out blocks each nozzle 23 and each transfer pipeline 22.
Refering to what is shown in Fig. 2, nozzle 23 is specially angle nozzle, the angle face 23-1 of angle nozzle is towards gas piping 1
Tube wall, so as to which the dust that a more step blocks blast furnace gas touches nozzle 23.
Specifically, by taking an angle nozzle as an example, the pipe of the gas piping 1 of the angle face 23-1 institutes direction of angle nozzle
The regional center of wall region enters the company between the hole center of the through-hole of gas piping with the transfer pipeline that angle nozzle is docked
Line is oriented parallel to the axis direction of gas piping 1, so as to dust-proof effect more preferably.
Further, the air blast fuel factor control device also pipeline detection element and open that the utility model embodiment provides
Movement controller；Pipeline detection element is set in gas piping 1, the startup control signal of gas cooling header 21, nitrogen
The unlatching control signal in source is electrically connected respectively by starting controller with pipeline detection element.Thus in inverse electric power certainly
Nitrogen after cooling is injected in dynamic progress into gas piping 1.
The one or more technical solutions provided in the utility model embodiment, at least have the following technical effect that or excellent
Point：
Since air blast fuel factor control device includes source nitrogen, gas cooling header and M roads transfer pipeline；Gas cooling joins
The air inlet of case is connected with source nitrogen, and the gas outlet of gas cooling header in M roads transfer pipeline and gas piping by connecting.From
And gas piping is injected into after can nitrogen be cooled down, nitrogen after cooling is mixed with blast furnace gas, to reduce in gas piping
Gas temperature, avoid the outlet of gas piping, the turbine cylinder body of blast-furnace top gas recovery turbine generating set, rotor blade temperature
Rise excessively high, guarantee blast-furnace top gas recovery turbine generating set safe and stable operation hot so as to be effectively reduced air blast.
Although the preferred embodiment of the utility model has been described, those skilled in the art once know substantially
Creative concept, then additional changes and modifications may be made to these embodiments.So appended claims are intended to be construed to wrap
It includes preferred embodiment and falls into all change and modification of the scope of the utility model.
Obviously, those skilled in the art can carry out the utility model various modification and variations without departing from this practicality
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (7)
1. a kind of air blast fuel factor control device, is set to the coal connected between blast-furnace top gas recovery turbine generating set and blast furnace
In feed channel, which is characterized in that the air blast fuel factor control device includes：Source nitrogen, gas cooling header, M roads delivery pipe
Road；
The air inlet of the gas cooling header is connected with the source nitrogen, and the gas outlet of the gas cooling header passes through described
It is connected in M roads transfer pipeline and the gas piping；
Radially even on the tube wall of the gas piping to offer M through-hole, M roads transfer pipeline is each by the M
One in a through-hole is connected in the gas piping, and M is positive integer.
2. air blast fuel factor control device as described in claim 1, which is characterized in that the M through-hole and the blast furnace coal
The distance between gas waste pressure turbine generating set is less than the distance between the M through-hole and the blast furnace.
3. air blast fuel factor control device as claimed in claim 2, which is characterized in that the tube wall upper edge diameter of the gas piping
To 4 either 5 or 6 or 8 through-holes are uniformly provided with, the way of the transfer pipeline is a with the through-hole
Number is identical.
4. air blast fuel factor control device as described in claim 1, which is characterized in that each defeated in the transfer pipeline of the M roads
The nozzle being connected in the gas piping of pipeline is sent to being connected to nozzle.
5. air blast fuel factor control device as claimed in claim 4, which is characterized in that the jet direction of the nozzle with it is described
The coal gas conveying direction of gas piping is identical.
6. air blast fuel factor control device as claimed in claim 5, which is characterized in that the nozzle is specially angle nozzle,
The angle of the angle nozzle is facing towards the tube wall of the gas piping.
7. the air blast fuel factor control device as described in any in claim 1-6, which is characterized in that the air blast fuel factor control
Device processed further includes：Pipeline detection element and startup controller；
The pipeline detection element is set in the gas piping, the startup control signal of the gas cooling header,
The unlatching control signal of the source nitrogen is electrically connected respectively by the startup controller with the pipeline detection element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720320907.5U CN207512197U (en) | 2017-03-29 | 2017-03-29 | A kind of air blast fuel factor control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720320907.5U CN207512197U (en) | 2017-03-29 | 2017-03-29 | A kind of air blast fuel factor control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207512197U true CN207512197U (en) | 2018-06-19 |
Family
ID=62531069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720320907.5U Active CN207512197U (en) | 2017-03-29 | 2017-03-29 | A kind of air blast fuel factor control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207512197U (en) |
-
2017
- 2017-03-29 CN CN201720320907.5U patent/CN207512197U/en active Active
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