CN209012101U - A kind of blast furnace air energy saver of composite power driving - Google Patents
A kind of blast furnace air energy saver of composite power driving Download PDFInfo
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- CN209012101U CN209012101U CN201920615040.5U CN201920615040U CN209012101U CN 209012101 U CN209012101 U CN 209012101U CN 201920615040 U CN201920615040 U CN 201920615040U CN 209012101 U CN209012101 U CN 209012101U
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Abstract
The utility model relates to a kind of blast furnace air energy savers of composite power driving, including blast furnace, have gravitational precipitator, Wet-dry deduster, reducer unit by piping connection in blast furnace roof;And motor or steam turbine, gearbox, blast furnace blower, rotary separator is also connected between Wet-dry deduster, reducer unit;Coal-gas turbine is connected at the both ends of reducer unit, coal-gas turbine is connected to blast furnace blower one end by speed change clutch, motor is connected to the blast furnace blower other end by gearbox, or steam turbine connects the blast furnace blower other end, coal-gas turbine, speed change clutch, blast furnace blower, gearbox and motor or steam turbine constitute same shafting.Due to using rotary separator, so that the medium into coal-gas turbine is more cleaned and reduce moisture in medium, the service life of coal-gas turbine can be extended, mitigate maintenance personal's labor intensity, improve coal-gas turbine maintenance efficiency, extend coal-gas turbine maintenance cycle.
Description
Technical field
The utility model belongs to Power Machinery Engineering professional skill field, is related to the energy regenerating dress of blast furnace air unit
It sets, especially a kind of blast furnace air energy saver of composite power driving.
Background technique
Blast furnace gas is the byproduct of ironmaking production, when entering furnace using hot material, discharged producer gas temperature at 400 DEG C~450 DEG C,
When using cold burden, discharged producer gas temperature is 200 DEG C~250 DEG C.The blast-furnace top gas recovery turbine power generation being widely used at present
Device (Top Gas Pressure Recovery Turbine, abbreviation TRT) is the pressure using the coal gas of blast furnace roof discharge
The equipment that energy and thermal energy are converted into mechanical energy and driven generator power generation mainly includes turbine and generator two large divisions.It will
The blast furnace gas energy originally lost in pressure reducing valve of blast furnace group drives electrical power generators to be returned by pushing turbine rotation
It receives.30%~50% or so of energy needed for blast furnace blower can be recycled in TRT device, economic benefit is very significant.
Existing blast furnace blower is all made of the adjustable all stator blade Axial Flow Compressor blast furnace blower of high efficiency, low energy consumption
It is all made of the adjustable all stator blade Axial Flow Compressor of high efficiency, low-power consumption, this compressor belongs to high-tech-intensive turbine
Tool is related to tens professions such as aerodynamics, machinery, vibration, intensity, material, casting, control, as the dynamic of large blast furnace
Power ventilation apparatus, the parameters such as security reliability, energy consumption, adjustable range, the noise of adjustable all stator blade Axial Flow Compressor are to measure
Key whether its is technologically advanced.
Due in TRT unit Gas Turbine and blast furnace blower be all rotating machinery, applicant it is creative by TRT machine
Gas Turbine in group is connected directly between on blast furnace blower, constitutes BPRT unit, abbreviation BPRT (Blast Furnace
Power Re-covery Tuebine) device is domestic application in 450m3The first set that blast furnace puts into operation at first with shafting three
Unit.In the unit, Gas Turbine directly drives blast furnace blower after the pressure energy of coal gas and thermal energy are become mechanical energy, and few
The mechanical energy of generator becomes electric energy and the electric energy (or steam of steam turbine) of motor is changed into twice capable of for mechanical energy
Measure the line loss in loss and electric energy transmission process caused by transition process.
BPRT unit reduces the hair in TRT unit compared with the split axle unit of previous TRT unit and blast furnace blower
Motor and its hair, distribution system, lubricating oil station are become sharing a set of from two petrol stations and its other subsystems, and equipment investment subtracts
Few 20%~30%, equipment factory building and control room merge, and construction investment is reduced, which puts into operation, and have to energy conservation, synergy
There is very profound significance.
BPRT unit can not only recycle pressure energy and thermal energy possessed by top gas, reduce gas conveying tube net
Hydrodynamic noise, and high intelligent control can be carried out to blast furnace top pressure, axial flow blower, Gas Turbine, improve the rate of driving of blast furnace
And yield.The energy slatterned in the past in reducer unit has not only been recycled using BPRT unit, but also can reduce waste row
High-volume, energy utilization rate is further increased.
With the popularization and application of applicant's BPRT unit, user has found during running BPRT unit, with the time
It elapsing, the maintenance rate of coal-gas turbine and speed change clutch in BPRT unit constantly increases, and maintenance cycle also has shortening,
It is found through maintenance overhaul, the rotor, stator blade and movable vane that main problem appears in coal-gas turbine generate corrosion, since coal gas is saturating
Flat machine long-term work dislike omit in the environment of, especially the derusting of the corrosion bring coal-gas turbine of stator blade and movable vane and
The adjustment of movable vane is extremely difficult, when corroding serious, causes the coal-gas turbine more renewed, therefore has and must return to former high capacity of furnace
The arrangement form for receiving unit (BPRT) improves.
Summary of the invention
It is short for the service life caused by the coal-gas turbine corrosion-vulnerable in BPRT unit, and the technology that maintenance cycle shortens
Problem, the purpose of the utility model is to provide a kind of blast furnace air energy savers of composite power driving.
In order to realize above-mentioned task, the utility model takes following technical solution:
A kind of blast furnace air energy saver of composite power driving, including blast furnace, pass through piping connection in the furnace roof of blast furnace
There are gravitational precipitator, Wet-dry deduster, reducer unit;And motor or steam turbine, gearbox, blast furnace blower,
It is characterized in that:
Rotary separator is also connected between Wet-dry deduster, reducer unit;
It is connected with coal-gas turbine at the both ends of reducer unit, coal-gas turbine is connected to height by speed change clutch (9)
One end of stove air blast, motor are connected to the other end of blast furnace blower by gearbox;Coal-gas turbine, speed change clutch
Device, blast furnace blower, gearbox and motor drive mechanism are at same shafting;Or:
It is connected with coal-gas turbine at the both ends of reducer unit, coal-gas turbine is connected to blast furnace drum by speed change clutch
One end of blower, steam turbine are connected to the other end of blast furnace blower;
Coal-gas turbine, speed change clutch, blast furnace blower, steam turbine constitute same shafting.
Other features of the utility model are:
The blast furnace blower selects adjustable all stator blade Axial Flow Compressor, and the adjustable all stator blade Axial Flow Compressor
For dual input shaft.
Lead between the motor or steam turbine, gearbox, blast furnace blower, speed change clutch and coal-gas turbine
Metallic membrane flexible coupling is crossed to be connected.
One end of the blast furnace is also connected with hot-blast stove, is connected with combustion fan on hot-blast stove.
The volume of the blast furnace is 400m3~3000m3;
The motor or steam turbine power is 5000KW~40000KW.
The adjustable all stator blade Axial Flow Compressor power is 5000KW~40000KW.
The power of the gearbox and speed change clutch is 2000KW~30000KW.
The speed change clutch selection freewheel clutch or planetary transmission, with the speed change clutch (9) of flowering structure:
The speed change clutch includes clutch housing, output connecting shaft, 5th bearing, third frame body and clutch;Also wrap
Include input connecting shaft, transmission shaft, gear wheel, pinion gear, the first frame body, the second frame body, first bearing, second bearing, third axis
Hold and fourth bearing, first frame body, the second frame body and third frame body by the input terminal of speed change clutch to output end successively
Arranged in parallel and be perpendicularly fixed in bell housing body, gear wheel is fixed on the middle part of horizontally disposed input connecting shaft, input
One end of connecting shaft is connect by first bearing with the first frame body, and the other end for inputting connecting shaft passes through second bearing and the second frame
Body connection, the output connecting shaft and transmission shaft are located on same axis and parallel with connecting shaft is inputted, and pinion gear is fixed on biography
The one end at the middle part of moving axis, transmission shaft is connect by 3rd bearing with the first frame body, and the other end of transmission shaft passes through fourth bearing
It is supported on the second frame body and is connect with the driving disc spacing pressing of clutch, gear wheel is meshed with pinion gear, exports one end of connecting shaft
It is connect with the driven disc of clutch, the other end for exporting connecting shaft is connect by 5th bearing with third frame body.
The clutch housing is dissection type welding structure, and upper and lower casing is joined with bolt to be tensed admittedly.
The coal-gas turbine chosen axis drains off formula Gas Turbine or Wet-dry Gas Turbine.
The freewheel clutch is SSS clutch.
The Wet-dry type deduster is substituted by dry collector.
The blast furnace air energy saver of the composite power driving of the utility model, due to making using rotary separator is increased
The medium (coal gas) obtained into coal-gas turbine more cleans and reduces the moisture in medium (coal gas), can extend Gas Turbine
The service life of machine mitigates the labor intensity of maintenance personal, improves the maintenance efficiency of coal-gas turbine, and extend Gas Turbine
The maintenance cycle of machine.
Compared with prior art, it has the following technical effect that
(1) since on the basis of gravitational precipitator and Wet-dry deduster, cooperation uses rotary separator, so that into
The medium for entering coal-gas turbine more cleans and reduces the moisture in medium, reduces the rotor of coal-gas turbine, stator blade and dynamic
The corrosion of leaf reduces the maintenance frequency of coal-gas turbine to extend the service life of coal-gas turbine.
(2) coal-gas turbine is done work by recycling the overbottom pressure waste heat of blast furnace gas, the main driving with blast furnace blower
Machine-motor or steam turbine joint driving blast furnace blower, speed change clutch work as coal as the core equipment in whole device
When gas turbine breaks down, coupling for coal-gas turbine and blast furnace blower can be disconnected automatically, it is ensured that the peace of blast furnace blower
Full reliability service.
(3) it uses between each equipment through the scheme that metallic membrane flexible coupling is coaxially arranged, improves rotating machinery
Bearing and densification device load, and improve the dynamic performance of shaft system of unit, and be arranged in same workshop, structure is tight
It gathers, occupied area is small, and arrangement is convenient, and mechanical loss is small, high-efficient.Simultaneously as sharing a set of auxiliary system, use cost
Low, than the use cost that two single cpu modes of configuration reduce 30%, payoff period shortens 1~2 year.And safety margin does not subtract, and it can
It is the ideal unit that metallurgy high furnace system uses to be used for various BPRT units.
(4) this use only need to position speed change clutch on the basis of executing agency, reduce the work of equipment position fixing process
Amount, installation and removal are easy and reliable for operation.
Detailed description of the invention
Fig. 1 is the arrangement schematic diagram of the blast furnace air energy saver of the composite power driving of the utility model;
Label in figure respectively indicates: 1, blast furnace, 2, gravitational precipitator, 3, Wet-dry type deduster, 4, rotating separation
Device, 5, reducer unit, 6, air accumulator, 7, coal-gas turbine, 8, metallic membrane flexible coupling, 9, speed change clutch, 10, blast furnace
Air blower, 11, gearbox, 12, motor or steam turbine, 13, hot-blast stove, 14, combustion fan, 15, venting check valve, 16, enter
Mouth butterfly valve, 17, entrance gate valve, 18, outlet gate valve, 19, anti-surge valve.
Fig. 2 is a kind of structural schematic diagram of speed change clutch;
Label in figure respectively indicates: 901, input connecting shaft, 902, output connecting shaft, 903, transmission shaft, and 904, first
Frame body, the 905, second frame body, 906, third frame body, 907, gear wheel, 908, pinion gear, 909, first bearing, the 910, second axis
It holds, 911,3rd bearing, 914, clutch, 915, clutch housing.A, input terminal, B, output end.
Below in conjunction with drawings and examples, the utility model is described in further detail.
Specific embodiment
Referring to Fig. 1, the present embodiment provides a kind of blast furnace air energy saver of composite power driving, including blast furnace 1, in height
The furnace roof of furnace 1 has gravitational precipitator 2, Wet-dry deduster 3, reducer unit 5 by piping connection;And motor or steamer
Machine 12, gearbox 11, blast furnace blower 10, are also connected with rotary separator between Wet-dry deduster 3, reducer unit 5
4;
It is connected with coal-gas turbine 7 at the both ends of reducer unit 5, coal-gas turbine 7 is connected to height by speed change clutch 9
One end of stove air blast 10, motor 12 are connected to the other end of blast furnace blower 10 by gearbox 11;Coal-gas turbine 7,
Speed change clutch 9, blast furnace blower 10, gearbox 11 and motor 12 constitute same shafting;Or:
It is connected with coal-gas turbine 7 at the both ends of reducer unit 5, coal-gas turbine 7 is connected to height by speed change clutch 9
One end of stove air blast 10, steam turbine 12 are connected to the other end of blast furnace blower 10;
Coal-gas turbine 7, speed change clutch 9, blast furnace blower 10, steam turbine 12 constitute same shafting.In implementation process,
The clutch property of can choose is arranged in 7 end of 10 end of blast furnace blower or coal-gas turbine in speed change clutch.It greatly promotes
The stability of clutch.
By the coal gas of 3 two-step purification of gravitational precipitator 2 and Wet-dry type deduster, by rotary separator 4 into
Mouth enters rotary separator internal cyclone and takes leave of area, and after impure coal gas, which enters axially into whirlwind, takes leave of pipe, air-flow is by directing vane
The diversion effect of piece and generate fierce rotation, air-flow is twist downwardly into Whirlwind barrel along cylinder, the big drop of density and
Grit is thrown toward wall under centrifugal force effect, and under gravitational effects, falls along barrel and flows out tornadotron dust-exhausting port to rotation
4 bottom liquid storage area of separator is flowed out from the liquid outlet of 4 bottom of rotary separator.The air-flow of rotation inside contracts short base in cylinder
Activity constitutes secondary vortex flow through gas-guide tube upwards and flow to purified natural gas room, then flows out through rotary separator top exit, coal
Moisture in gas is further removed, and is analyzed through applicant's sample detection, moisture content is not detected.
To sum up, the medium into coal-gas turbine is more cleaned and reduces the water in medium using rotary separator 4
Point, the corrosion for reducing the rotor, stator blade and movable vane of coal-gas turbine subtracts to extend the service life of coal-gas turbine
The maintenance frequency of coal-gas turbine is lacked.
In the present embodiment, blast furnace blower 10 selects adjustable all stator blade Axial Flow Compressor, and the adjustable all stator blade axis stream
Formula compressor is dual input shaft.
Certainly, Wet-dry type deduster 3 can be substituted by dry collector.
The motor or steam turbine 12, gearbox 11, blast furnace blower 10, speed change clutch 9 and Gas Turbine
It is connected between machine 7 by metallic membrane flexible coupling 8.
In the present embodiment, motor or steam turbine 12, gearbox 11, height are coupled using metallic membrane flexible coupling 8
Stove air blast 10, speed change clutch 9 and coal-gas turbine 7, rotate together with rotating machinery, to transmit torque and movement, and
The three direction displacement (misaligning) between all parts axis is compensated, while there are also vibration isolation to act on.
Metallic membrane flexible coupling 8 is a kind of high performance metallic elastic component flexible coupling, is the bullet by diaphragm
Property deformation to compensate the relative displacement for join two axis, do not have to lubrication, structure is compacter, intensity height, long service life, without spin between
Gap is not influenced by temperature and greasy dirt, has the characteristics that acidproof, alkaline-resisting, etch-proof, suitable for high temperature, high speed, has corrosive medium work
The shafting of condition environment is driven, and is widely used in the shafting transmission of various mechanical devices, as water pump (especially high-power, chemical pump),
Blower, compressor, hydraulic machinery, petroleum machinery, printing machinery, textile machine, chemical machinery, mining machinery, metallurgical machinery, boat
It is commonplace to be applied to high-speed drive shafting after dynamic balancing for empty (helicopter), naval vessels high speed motive force transmission system.Due to
The additional load of coupling is small, improves the bearing of rotating machinery and the load of densification device, and improves the dynamics of shaft system of unit
Performance.
One end of the blast furnace 1 is also connected with hot-blast stove 13, and combustion fan 14 is connected on hot-blast stove 13.13 energy of hot-blast stove
Enough under the mating reaction of combustion fan, hot wind is continuously provided for blast furnace 1.
7 entrance side of coal-gas turbine is connected to reducer unit 5 by the entrance butterfly valve 16 and entrance gate valve 17 of setting
One end, 7 outlet side of coal-gas turbine are connected to the other end of reducer unit 5 by the outlet gate valve 18 of setting.Reducer unit 5
Outlet be additionally provided with air accumulator 6, for sending user to use the coal gas of purification.
There are also anti-surge valve 19 and venting check valve 15 on blast furnace blower 10, blast furnace blower 10 passes through venting check valve
15 are connected to hot-blast stove 13.
The volume of the blast furnace is 400m3~3000m3,
The motor or 12 power of steam turbine is 5000KW~40000KW;
The adjustable all stator blade Axial Flow Compressor power is 5000KW~40000KW;
The power of the gearbox 11 and speed change clutch 9 is 2000KW~30000KW.
Speed change clutch 9 is connected between coal-gas turbine 7 and blast furnace blower 10, the speed change clutch 9 is as entire
Core equipment in device can disconnect automatically and couple with blast furnace blower 10 when coal-gas turbine 7 breaks down, it is ensured that
The safe and reliable operation of blast furnace blower 10.
When the furnace volume of selection is in 400m3~3000m3, the speed change clutch 9 can choose freewheel clutch.Surmount
Clutch is the development with electromechanical integrated product and the basic part occurred, it is between prime mover and working machine or machine
Power transmits the important component with separation function between driving shaft and driven shaft inside device.It is the speed using driving and driven part
Degree variation or the transformation of direction of rotation have the device of voluntarily clutch function, and such as sss clutch, speed change clutch input service turns
Speed is 3000r/min.
Certainly, the speed change clutch 9 of the present embodiment also can choose planetary transmission.
Planetary transmission belongs to a kind of gear-box, it is by planetary ring gear, sun gear, planetary gear (also known as satellite wheel)
It is formed with gear hub, according to the movement relation of gear ring, sun gear and planetary gear, input shaft may be implemented and output shaft is detached from just
Property drive connection, input shaft and output shaft in the same direction or reverse drive and input change with output shaft transmission ratio, transmit more steady.
Referring to fig. 2, when the furnace volume of selection is in 400m3To 3000m3, used speed change clutch 9 includes: clutch
Shell 915, output connecting shaft 902,5th bearing 913, third frame body 906 and clutch 914;Further include input connecting shaft 901,
Transmission shaft 903, gear wheel 907, pinion gear 908, the first frame body 904, the second frame body 905, first bearing 909, second bearing
910,3rd bearing 911 and fourth bearing 912, first frame body 904, the second frame body 905 and third frame body 906 by speed change from
The input terminal A to output end B of clutch is successively arranged in parallel and is perpendicularly fixed in clutch housing 915, and gear wheel 907 is fixed on
The middle part of horizontally disposed input connecting shaft 901, one end of input connecting shaft 901 pass through first bearing 909 and the first frame body 904
The other end of connection, input connecting shaft 901 is connect by second bearing 910 with the second frame body 905, the output connecting shaft 902
It is located on same axis with transmission shaft 903 and parallel with input connecting shaft 901, pinion gear 908 is fixed in transmission shaft 903
The one end in portion, transmission shaft 903 is connect by 3rd bearing 911 with the first frame body 904, and the other end of transmission shaft 903 passes through the 4th
Bearing 912 is supported on the second frame body 905 and connect with the driving disc spacing pressing of clutch 914, and gear wheel 907 is nibbled with 908 phase of pinion gear
It closes, one end of output connecting shaft 902 is connect with the driven disc of clutch 914, and the other end of output connecting shaft 902 passes through the 5th axis
913 are held to connect with third frame body 906.
It is installed in order to facilitate the disassembly of speed change clutch, clutch housing 915 is dissection type welding structure, upper and lower casing
It is tensed with bolt connection solid.
Specifically, the second bearing 910 in above-mentioned speed change clutch is axially position bearing.This positioning bearing plays axial limit
Position effect, generates axial movement when preventing bearing from bearing axial load, to guarantee input coupling spindle 901 in clutch 914
Correct position.
Preferably, the coal-gas turbine 7, blast furnace blower 10 and motor or steam turbine 12 share a set of auxiliary system
System.Through testing, than the use cost that two single cpu modes of configuration reduce 30%, payoff period shortens 1~2 year.
Specifically, in order to occupy less plant area, the coal-gas turbine 7, blast furnace blower 10, motor or vapour
Turbine 12 and auxiliary system are mounted on same workshop.
Preferably, make the dust in dusty gas by gravity using gravitational precipitator, natural subsidence reaches net
Change gas.In practical application, structure is simple, is easy to use.
The blast furnace air energy saver of the composite power driving of the utility model, its working principle is that, blast furnace blower 10
It is that blast furnace 1 provides power by motor or steam turbine 12, when the gas outlet temperature of blast furnace 1 is 200 DEG C~250 DEG C, through gravity
After deduster 2 and dry collector/3 dedusting of Wet-dry deduster, dehydration is carried out into rotary separator 4 and is further removed
Dirt enters coal-gas turbine from entrance butterfly valve 16 and entrance gate valve, and 7 revolving speed of coal-gas turbine reaches 3000r/min, passes through change
Speed clutch 9 transfers its energy to blast furnace blower 10 and motor or steam turbine 12 while driving blast furnace blower 10.
The operating condition of blast furnace blower 10 can be controlled quiet in blast furnace blower 10 by the special-purpose software of industrial flow
Leaf and movable vane reach control and adjustment 7 revolving speed of coal-gas turbine, and realize the stability contorting of blast furnace top pressure, pass through setting
The matching for opening the parameters such as by-passing valve and fast cut valve, the anti-surge valve characteristic of blast furnace blower 10 fastly, realizes the chain of entire unit
Shut down reliability and stationarity.
The investment of coal-gas turbine and excision are realized by speed change clutch 9, and speed change clutch 9 can be according to defeated
Enter, the height of output end revolving speed switches over automatically, in the blast wandering of blast furnace, blast furnace generate coal gas be not enough to push coal
Gas turbine 7 rotates work done, i.e. 7 revolving speed of coal-gas turbine is lower than 2900r/min or coal-gas turbine 7 itself in the event of failure, coal
Gas turbine can belong to independent rotation relative to 9 two sides of speed change clutch by the automatic disengagement of excision online of speed change clutch 9
Turn equipment, do not transmit any torque mutually, continues normally to blow to blast furnace 1 to not influence blast furnace blower 10;When the working of a furnace is extensive
After multiple normal or 7 troubleshooting of coal-gas turbine, i.e., 7 revolving speed of coal-gas turbine is higher than 3000r/min, at this time coal-gas turbine 7
It can be engaged online by speed change clutch 9 and automatically engage operation and 12 Driven by Coaxial blast furnace blower of motor or steam turbine
10.Required electric current or steam is driven to reduce and energy saving on motor or steam turbine 12.
The blast furnace air energy saver of the composite power driving of the present embodiment, in the trial employment period, when coal-gas turbine 7 reaches
After one maintenance interval, the rotor, stator blade and movable vane of coal-gas turbine 7 are checked, discovery is almost without corrosion phenomena, and movable vane
Adjustment is normal.Therefore, it further demonstrates using increase rotary separator in the arrangement of original BPRT unit, so that
Medium (coal gas) into coal-gas turbine more cleans and reduces the moisture in medium (coal gas), can extend coal-gas turbine
Service life, mitigate the labor intensity of maintenance personal, improve the maintenance efficiency of coal-gas turbine, and extend coal-gas turbine
Maintenance cycle.
Claims (10)
1. a kind of blast furnace air energy saver of composite power driving, including blast furnace (1), pass through pipeline in the furnace roof of blast furnace (1)
It is connected with gravitational precipitator (2), Wet-dry deduster (3), reducer unit (5);And motor or steam turbine (12), speed change
Case (11), blast furnace blower (10), it is characterised in that:
Rotary separator (4) are also connected between Wet-dry deduster (3), reducer unit (5);
It is connected with coal-gas turbine (7) at the both ends of reducer unit (5), coal-gas turbine (7) is connected by speed change clutch (9)
In one end of blast furnace blower (10), motor (12) is connected to the other end of blast furnace blower (10) by gearbox (11);
Coal-gas turbine (7), speed change clutch (9), blast furnace blower (10), gearbox (11) and motor (12) constitute same axis
System;Or:
It is connected with coal-gas turbine (7) at the both ends of reducer unit (5), coal-gas turbine (7) is connected by speed change clutch (9)
In one end of blast furnace blower (10), steam turbine (12) is connected to the other end of blast furnace blower (10);
Coal-gas turbine (7), speed change clutch (9), blast furnace blower (10), steam turbine (12) constitute same shafting.
2. the blast furnace air energy saver of composite power driving as described in claim 1, which is characterized in that the blast furnace drum
Blower (10) selects adjustable all stator blade Axial Flow Compressor, and the adjustable all stator blade Axial Flow Compressor is dual input shaft.
3. the blast furnace air energy saver of composite power driving as described in claim 1, which is characterized in that the motor
Or pass through between steam turbine (12), gearbox (11), blast furnace blower (10), speed change clutch (9) and coal-gas turbine (7)
Metallic membrane flexible coupling (8) is connected.
4. the blast furnace air energy saver of composite power driving as described in claim 1, which is characterized in that the blast furnace (1)
One end be also connected with hot-blast stove (13), combustion fan (14) are connected on hot-blast stove (13).
5. the blast furnace air energy saver of composite power driving as claimed in claim 2, which is characterized in that the blast furnace
Volume is 400m3~3000m3;
The motor or steam turbine (12) power are 5000KW~40000KW;
The adjustable all stator blade Axial Flow Compressor power is 5000KW~40000KW;
The power of the gearbox (11) and speed change clutch (9) is 2000KW~30000KW.
6. the blast furnace air energy saver of composite power driving as claimed in claim 5, it is characterised in that:
Speed change clutch (9) the selection freewheel clutch or planetary transmission;Or use with the speed change of flowering structure from
Clutch (9):
The speed change clutch (9) includes clutch housing (915), output connecting shaft (902), 5th bearing (913), third frame body
(906) and clutch (914);Further include input connecting shaft (901), transmission shaft (903), gear wheel (907), pinion gear (908),
First frame body (904), the second frame body (905), first bearing (909), second bearing (910), 3rd bearing (911) and the 4th axis
Hold (912), first frame body (904), the second frame body (905) and third frame body (906) by speed change clutch input terminal extremely
Output end is successively arranged in parallel and is perpendicularly fixed in clutch housing (915), and gear wheel (907) is fixed on horizontally disposed defeated
Enter the middle part of connecting shaft (901), one end of input connecting shaft (901) is connected by first bearing (909) and the first frame body (904)
It connects, the other end of input connecting shaft (901) is connect by second bearing (910) with the second frame body (905), the output connecting shaft
(902) and transmission shaft (903) be located on same axis and with input connecting shaft (901) it is parallel, pinion gear (908) is fixed on transmission
The one end at the middle part of axis (903), transmission shaft (903) is connect by 3rd bearing (911) with the first frame body (904), transmission shaft
(903) the other end is supported on the second frame body (905) by fourth bearing (912) and is connected with the driving disc spacing pressing of clutch (914)
It connects, gear wheel (907) is meshed with pinion gear (908), exports the one end of connecting shaft (902) and the driven disc of clutch (914)
The other end of connection, output connecting shaft (902) is connect by 5th bearing (913) with third frame body (906).
7. the blast furnace air energy saver of composite power driving as claimed in claim 6, which is characterized in that the bell housing
Body (915) is dissection type welding structure, and upper and lower casing is joined with bolt to be tensed admittedly.
8. the blast furnace air energy saver of composite power driving as described in claim 1, which is characterized in that the Gas Turbine
Machine (7) chosen axis drains off formula coal-gas turbine or Wet-dry coal-gas turbine.
9. the blast furnace air energy saver of composite power driving as claimed in claim 6, which is characterized in that the overdrive clutch
Device is SSS clutch.
10. the blast furnace air energy saver of composite power driving as described in claim 1, which is characterized in that the dry and wet two
It is substituted with type deduster (3) by dry collector.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112901286A (en) * | 2021-01-18 | 2021-06-04 | 东北大学 | System and method for driving blast furnace blower |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112901286A (en) * | 2021-01-18 | 2021-06-04 | 东北大学 | System and method for driving blast furnace blower |
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