CN206447896U - A kind of device for improving Thermal Efficiency of Hot Blast Stoves - Google Patents
A kind of device for improving Thermal Efficiency of Hot Blast Stoves Download PDFInfo
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- CN206447896U CN206447896U CN201720193171.XU CN201720193171U CN206447896U CN 206447896 U CN206447896 U CN 206447896U CN 201720193171 U CN201720193171 U CN 201720193171U CN 206447896 U CN206447896 U CN 206447896U
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Abstract
A kind of device for improving Thermal Efficiency of Hot Blast Stoves, belongs to blast-furnace hot-air air flue equipment technical field, the thermal efficiency for improving hot-blast stove.Its technical scheme is：The utility model is mounted with rotating shaft and regulation valve plate in hot air flue inner chamber, rotating shaft two ends are fixed on hot air flue by bearing block, rotating shaft is connected with YE, YE is arranged on by actuator fixed seat on the outer wall of hot air flue, YE drives rotating shaft and valve plate to be rotated, by adjusting the angle of valve plate, the flue gas flow produced after burning can be adjusted.The utility model passes through very simple structure, the problem of solving raising Thermal Efficiency of Hot Blast Stoves, the heat exchange of hot blast inner flue gas of the stove can be strengthened by the flue gas flow of reasonable adjusting hot air flue, effectively improve the thermal efficiency, coal gas can be made more fully to burn simultaneously, reach reasonable distribution coal gas usage amount, the purpose of hot-blast stove gas consumption reduced, with significant economic benefit.
Description
Technical field
The utility model is related to a kind of device for improving Thermal Efficiency of Hot Blast Stoves, belongs to blast-furnace hot-air air flue equipment technology neck
Domain.
Background technology
Blast furnace is the main equipment of manUfaCtUre of pig iron, and blast funnace hot blast stove is to ensure the auxiliary device that blast furnace is normally produced.Hot blast
Stove utilizes the heat of gas-fired and by the heat exchange of checker brick, and high-temperature hot-air is provided for blast furnace.Hot blast temperature is hot-blast stove
Important indicator, improve hot blast temperature be conducive to increase injecting coal quantity, reduction coke ratio, improve yield.Coal gas is that hot-blast stove is used
The energy, while the hot blast temperature of hot-blast stove is kept, if it is possible to which reducing the gas consumption of hot-blast stove can just be directly realized by
It is energy-saving, it is that enterprise creates significant economic benefit.In the measure of reduction hot-blast stove gas consumption, most efficient method is
Strengthen the heat exchange of hot blast inner flue gas of the stove, improve Thermal Efficiency of Hot Blast Stoves, while making coal gas more fully burn, reach reasonable distribution
Coal gas usage amount, reduces the purpose of hot-blast stove gas consumption.Currently without the device of regulation hot air flue flue gas flow, as carrying
The blank of high Thermal Efficiency of Hot Blast Stoves, greatly wastes heat resources, it would be highly desirable to which technical staff solves.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of device for improving Thermal Efficiency of Hot Blast Stoves, using this
Device produces flue gas flow after being burnt with reasonable adjusting, promotes coal gas more fully to burn, so as to reduce gas consumption, saves
About production cost.
Solving the technical scheme of above-mentioned technical problem is：
A kind of device for improving Thermal Efficiency of Hot Blast Stoves, it includes rotating shaft, valve plate, two axle sleeves, YE, actuators
Fixed seat, valve plate is rectangle, and valve plate length direction is fixed in rotating shaft along the central axis of rotating shaft, and rotating shaft and valve plate are located at
In hot air flue, the central axis of rotating shaft intersects with the central axis upright of hot air flue, and hot air flue is stretched out at the two ends of rotating shaft
Relative side wall, the two ends of rotating shaft are respectively with an axle sleeve to be rotatably connected, and two axle sleeves are separately fixed at hot air flue
Relative lateral wall on, one end of rotating shaft is connected with YE, and electronic actuators are fixed on actuator fixed seat
One end, the other end of actuator fixed seat is fixedly connected with the lateral wall of hot air flue.
The device of above-mentioned raising Thermal Efficiency of Hot Blast Stoves, described two axle sleeves are made up of bearing block, bearing, end cap respectively, and one
Individual bearing block is welded on the lateral wall of hot air flue, and another bearing block is welded on welded plate, is had on welded plate and rotating shaft
Relative axis hole, the position of axis hole is relative with the bearing block being welded on welded plate, and welded plate is welded on the outside of hot air flue
On wall, bearing is respectively mounted in two bearing blocks, rotating shaft is connected with bearing to rotate, and end cap is arranged on the outer end of bearing block.
The device of above-mentioned raising Thermal Efficiency of Hot Blast Stoves, the YE is made up of motor, circuit control device, motor
It is connected by circuit control device with power supply, motor shaft is connected by shaft coupling with rotating shaft.
The device of above-mentioned raising Thermal Efficiency of Hot Blast Stoves, the welded plate is rectangular slab, and the plate face of welded plate is circular arc,
The circular arc degree of welded plate plate face and the circumference arc of hot air flue match, on the lateral wall of the hot air flue relative with welded plate
There is slot, the length of slot is more than the width of valve plate, and welded plate is covered in the slot of hot air flue lateral wall
Upper and hot air flue lateral wall firm welding, one end of actuator fixed seat is welded on welded plate.
The device of above-mentioned raising Thermal Efficiency of Hot Blast Stoves, the rotating shaft with there is corresponding connection respectively on the length direction of valve plate
Rotating shaft is fixedly connected by screw, connecting bolt by connecting screw hole with valve plate.
The device of above-mentioned raising Thermal Efficiency of Hot Blast Stoves, the motor shaft is provided with swing arm with rotating shaft junction.
The beneficial effects of the utility model are：
The utility model is mounted with regulation valve plate on hot air flue, and valve plate can pass through rotating shaft and YE is carried out
Rotate, by adjusting the angle of valve plate, the flue gas flow produced after burning can be adjusted.
The utility model is by very simple structure, the problem of solving raising Thermal Efficiency of Hot Blast Stoves, by rationally adjusting
The flue gas flow of section hot air flue can strengthen the heat exchange of hot blast inner flue gas of the stove, the thermal efficiency be effectively improved, while can make coal gas
More fully burning, reaches reasonable distribution coal gas usage amount, reduces the purpose of hot-blast stove gas consumption, with significant economic effect
Benefit.
Brief description of the drawings
Fig. 1 is the apparatus structure schematic diagram of raising Thermal Efficiency of Hot Blast Stoves of the present utility model；
Fig. 2 is the slot side view of hot-blast stove flue；
Fig. 3 is the circular hole side view of hot-blast stove flue；
Fig. 4 is rotating shaft, the structural representation of valve board assembly.
Marked in figure as follows：Hot air flue 1, rotating shaft 2, valve plate 3, YE 4, actuator fixed seat 5, bearing block 6,
Bearing 7, end cap 8, welded plate 9, swing arm 10, slot 11, circular hole 12, connecting bolt 13.
Embodiment
The device of the present utility model for improving Thermal Efficiency of Hot Blast Stoves includes flue gas valve module, rotating shaft mounting assembly, driving group
The part of part three.
Flue gas valve module is made up of rotating shaft 2, valve plate 3；Rotating shaft mounting assembly is by bearing block 6, bearing 7, end cap 8, welded plate 9
Composition；Drive component is made up of YE 4, actuator fixed seat 5, swing arm 10.
Shown in figure, valve plate 3 is rectangle, central axis of the length direction of valve plate 3 along rotating shaft 2 is fixed in rotating shaft 2,
Rotating shaft 2 with there is corresponding connecting screw hole on the length direction of valve plate 3 respectively, connecting bolt 13 by connecting screw hole by rotating shaft 2 with
Valve plate 3 is fixedly connected.
Shown in figure, rotating shaft 2 and valve plate 3 are located in hot air flue 1, the central axis of rotating shaft 2 and the center of hot air flue 1
Axis intersects vertically, and the relative side wall of hot air flue 1 is stretched out at the two ends of rotating shaft 2.
Shown in figure, the two ends of rotating shaft 2 are respectively with an axle sleeve to be rotatably connected, and two axle sleeves are separately fixed at hot blast
On the relative lateral wall of flue 1.Two axle sleeves are made up of bearing block 6, bearing 7, end cap 8 respectively, and a bearing block 6 is welded on
On the lateral wall of hot air flue 1, another bearing block 6 is welded on by welded plate 9 on the lateral wall of hot air flue 1.Two axles
Bearing 7 is respectively mounted in bearing 6, rotating shaft 2 is connected with bearing 7 to rotate, and end cap 8 is arranged on the outer end of bearing block 6.
Shown in figure, welded plate 9 is rectangular slab, and the plate face of welded plate 9 is circular arc, the circular arc degree of the plate face of welded plate 9
Match with the circumference arc of hot air flue 1, have the axis hole relative with rotating shaft 2 on welded plate 9, the position of axis hole is with being welded on
Bearing block 6 on fishplate bar 9 is relative, and welded plate 9 is welded on the lateral wall of hot air flue 1.The effect one of welded plate 9 is closure heat
Slot 11 on the side wall of wind and smoke road 1, it is to install rotating shaft 2 and valve plate 3 to design that slot 11, which is, welded plate 9 it is another
One effect is welding actuator fixed seat 5.
Show there is slot 11 on the lateral wall of the hot air flue 1 relative with welded plate 9 in figure, slot 11
Length is more than the width of valve plate 3, and welded plate 9 is covered on the slot 11 of the lateral wall of hot air flue 1 and the outside of hot air flue 1
Wall firm welding, one end of actuator fixed seat 5 is welded on welded plate 9.
Shown in figure, YE 4 is made up of motor, circuit control device, motor passes through circuit control device and electricity
Source is connected, and motor shaft is connected by shaft coupling with rotating shaft 2.Electronic actuators 4 are fixed on one end of actuator fixed seat 5,
The other end of actuator fixed seat 5 is welded on welded plate 9, and YE 4 is solid by actuator fixed seat 5 and welded plate 9
Surely it is connected on the lateral wall of hot air flue 1.
Shown in figure, motor shaft is provided with swing arm 10 with rotating shaft junction, the work of the regulation angle of valve plate 3 is played in swing arm 10
With.
Use installation method of the present utility model is as follows：
A. slot 11 is opened in the side of hot air flue 1, the length of slot 11 is more than the width of valve plate 3, after ending
The thermal insulation layer of the inside of slot 11 is carefully removed, it is to avoid the destruction periphery thermal insulation layer of slot 11；
B. circular hole 12 is opened in the opposite side of hot air flue 1, the center of circle and the line of centres of slot 11 of circular hole 12 are located at hot blast
Diametrically, circular hole 12 holds the rear careful thermal insulation layer for removing the inside of circular hole 12 successfully to the section of flue 1；
C. one end of rotating shaft 2 is assembled with bearing block 6 and bearing 7, then bearing block 6 is welded to connect with welded plate 9, used
Valve plate 3 is fixedly connected by connecting bolt 13 with rotating shaft 2, by the rotating shaft 2 after assembling and valve plate 3 from the length of the lateral wall of hot air flue 1
Square opening 11 is inserted into hot air flue 1, and the front end spindle nose of rotating shaft 2 passes the circular hole 12 of the offside of hot air flue 1, by welded plate 9
After being brought into close contact with the outer side wall surface of hot air flue 1 at the slot 11 of hot air flue 1, in the border point solid welding of welded plate 9
Positioning is put；
D. the spindle nose for the rotating shaft 2 stretched out at the lateral wall circular hole 12 of hot air flue 1 installs bearing 7 and bearing block 6, after installation
Rotating shaft 2 is adjusted, the two ends of rotating shaft 2 is respectively at the center of slot 11 and circular hole 12, determines spot welding fixed position；
E. by the periphery of welded plate 9 and the lateral wall contact position of hot air flue 1, bearing block 6 and the lateral wall contact position of hot air flue 1
Border full weld, leg is highly more than the 80% of thickness of slab, uses and is symmetrically welded to reduce deformation；
F. YE 4 is connected with rotating shaft 2, and swing arm 10 is installed in motor shaft and the junction of rotating shaft 2, it is electronic to hold
The bottom of row device 4 is fixed in actuator fixed seat 5, YE 4 position determine after, by actuator fixed seat 5 with
Welded plate 9 is welded to connect；
G. wiring is powered and can run.
Claims (6)
1. a kind of device for improving Thermal Efficiency of Hot Blast Stoves, it is characterised in that：It includes rotating shaft（2）, valve plate（3）, two axle sleeve, electricity
Dynamic actuator（4）, actuator fixed seat（5）, valve plate（3）For rectangle, valve plate（3）Length direction is along rotating shaft（2）Center
Axis is fixed on rotating shaft（2）On, rotating shaft（2）And valve plate（3）Positioned at hot air flue（1）It is interior, rotating shaft（2）Central axis and hot blast
Flue（1）Central axis upright intersect, rotating shaft（2）Two ends stretch out hot air flue（1）Relative side wall, rotating shaft（2）'s
Two ends are respectively with an axle sleeve to be rotatably connected, and two axle sleeves are separately fixed at hot air flue（1）Relative lateral wall on,
Rotating shaft（2）One end and YE（4）It is connected, electronic actuators（4）It is fixed on actuator fixed seat（5）One end,
Actuator fixed seat（5）The other end and hot air flue（1）Lateral wall be fixedly connected.
2. the device according to claim 1 for improving Thermal Efficiency of Hot Blast Stoves, it is characterised in that：Described two axle sleeves respectively by
Bearing block（6）, bearing（7）, end cap（8）Composition, a bearing block（6）It is welded on hot air flue（1）Lateral wall on, another
Bearing block（6）It is welded on welded plate（9）On, welded plate（9）On have and rotating shaft（2）Relative axis hole, the position of axis hole and welding
In welded plate（9）On bearing block（6）Relatively, welded plate（9）It is welded on hot air flue（1）Lateral wall on, two bearing blocks
（6）Inside it is respectively mounted bearing（7）, rotating shaft（2）With bearing（7）To rotate connection, end cap（8）Installed in bearing block（6）Outer end.
3. the device according to claim 2 for improving Thermal Efficiency of Hot Blast Stoves, it is characterised in that：The YE（4）
It is made up of motor, circuit control device, motor is connected by circuit control device with power supply, motor shaft is by shaft coupling with turning
Axle（2）It is connected.
4. the device according to claim 3 for improving Thermal Efficiency of Hot Blast Stoves, it is characterised in that：The welded plate（9）For length
Square plate, welded plate（9）Plate face be circular arc, welded plate（9）The circular arc degree and hot air flue of plate face（1）Circumference arc phase
Matching, with welded plate（9）Relative hot air flue（1）Lateral wall on have slot（11）, slot（11）Length
More than valve plate（3）Width, welded plate（9）It is covered in hot air flue（1）The slot of lateral wall（11）Upper and hot air flue
（1）Lateral wall firm welding, actuator fixed seat（5）One end be welded on welded plate（9）On.
5. the device according to claim 4 for improving Thermal Efficiency of Hot Blast Stoves, it is characterised in that：The rotating shaft（2）With valve plate
（3）Length direction on have corresponding connecting screw hole, connecting bolt respectively（13）By connecting screw hole by rotating shaft（2）With valve plate
（3）It is fixedly connected.
6. the device according to claim 5 for improving Thermal Efficiency of Hot Blast Stoves, it is characterised in that：The motor shaft connects with rotating shaft
The place of connecing is provided with swing arm（10）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720193171.XU CN206447896U (en) | 2017-03-01 | 2017-03-01 | A kind of device for improving Thermal Efficiency of Hot Blast Stoves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720193171.XU CN206447896U (en) | 2017-03-01 | 2017-03-01 | A kind of device for improving Thermal Efficiency of Hot Blast Stoves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206447896U true CN206447896U (en) | 2017-08-29 |
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ID=59665128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720193171.XU Active CN206447896U (en) | 2017-03-01 | 2017-03-01 | A kind of device for improving Thermal Efficiency of Hot Blast Stoves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206447896U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106906326A (en) * | 2017-03-01 | 2017-06-30 | 河钢股份有限公司承德分公司 | A kind of device and installation method for improving Thermal Efficiency of Hot Blast Stoves |
| CN113337660A (en) * | 2021-05-27 | 2021-09-03 | 上海雷林工业设备有限公司 | Flue gas adjusting device |
-
2017
- 2017-03-01 CN CN201720193171.XU patent/CN206447896U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106906326A (en) * | 2017-03-01 | 2017-06-30 | 河钢股份有限公司承德分公司 | A kind of device and installation method for improving Thermal Efficiency of Hot Blast Stoves |
| CN113337660A (en) * | 2021-05-27 | 2021-09-03 | 上海雷林工业设备有限公司 | Flue gas adjusting device |
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