CN203820811U - Device for improving cooling intensity of blast furnace bottom - Google Patents
Device for improving cooling intensity of blast furnace bottom Download PDFInfo
- Publication number
- CN203820811U CN203820811U CN201420092807.8U CN201420092807U CN203820811U CN 203820811 U CN203820811 U CN 203820811U CN 201420092807 U CN201420092807 U CN 201420092807U CN 203820811 U CN203820811 U CN 203820811U
- Authority
- CN
- China
- Prior art keywords
- furnace bottom
- blast furnace
- horizontal blind
- blind hole
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Blast Furnaces (AREA)
Abstract
The utility model belongs to a cooling device arranged in a blast furnace bottom and used for improving the cooling intensity of the furnace bottom, and particularly relates to a device for improving the cooling intensity of a blast furnace bottom. The device comprises cold air pipes uniformly arranged at the blast furnace bottom, wherein a horizontal blind hole is formed in the furnace wall at the furnace bottom 45-55mm above the cold air pipes; the axis of the horizontal blind hole is vertical to that of the cold air pipe; a water cooling pipe with a water inlet and a water outlet is arranged in the horizontal blind hole; the two ends of the water cooling pipe are closed; the water cooling pipe at the horizontal blind hole is fixedly connected with a sleeve type fixing cavity with a vent hole and a grout hole; the sleeve type fixing cavity is fixedly connected with the blast furnace shell; a thermocouple is mounted in the horizontal blind hole. The device provided by the utility model is simple and reasonable in structure and easy to implement, and can be used for improving the cooling intensity of the collapse area at the blast furnace bottom; the temperature change in the collapse area at the blast furnace bottom is monitored, the safe operation of the furnace cylinder at the late service life of the blast furnace is guaranteed, and late maintenance and inspection are facilitated.
Description
Technical field
The utility model belongs to and the refrigerating unit that improves furnace bottom cooling intensity is being set in Blast Furnace Bottom, particularly a kind of device that improves Blast Furnace Bottom cooling intensity.
Background technology
In the blast furnace of some blast furnace subsidiary factory, stop in process, finding has some airducts because cupola well carbon brick subsides in the uniform forced air cooled tube of furnace bottom, cause forced air cooled tube distortion to subside, cooling air cannot carry out by furnace bottom forced air cooled tube cooling to furnace bottom, and therefore the safe operation of cupola well exists very large hidden danger.
Utility model content
The purpose of this utility model is to provide a kind of device that improves Blast Furnace Bottom cooling intensity, it is simple and reasonable, easy to implement, can improve the subside cooling intensity in region of Blast Furnace Bottom, the subside temperature variation in region of Blast Furnace Bottom is monitored, ensure the safe operation of State of Blast Furnace labour later stage cupola well, the later stage is easy to safeguard and check.
The purpose of this utility model is achieved in that a kind of device that improves Blast Furnace Bottom cooling intensity, be included in the cold-air duct of the uniform setting of Blast Furnace Bottom, on the furnace wall of 45-55mm place furnace bottom above cold-air duct, horizontal blind hole is being set, the axis of horizontal blind hole and the axis of cold-air duct are perpendicular, the water cooling tube with water-in and water outlet is installed in horizontal blind hole, the closed at both ends of water cooling tube, be positioned at affixed the telescopic fixed cavity with production well and grout hole on the water cooling tube at horizontal blind hole place, telescopic fixed cavity is fixed on last furnace shell, in horizontal blind hole, thermopair is installed.
The utility model Blast Furnace Bottom subside region below horizontal blind hole is being set above furnace bottom cold-air duct, the water cooling tube with water-in and water outlet is installed in horizontal blind hole, water cooling tube closed at both ends, affixed the telescopic fixed cavity with production well and grout hole on the water cooling tube being positioned at outside horizontal blind hole, telescopic fixed cavity is fixed on last furnace shell, in horizontal blind hole, thermopair is installed, the water inlet pipe going deep in water cooling tube is installed on the water-in of water cooling tube, connect entering of water cooling tube, outlet pipeline, in telescopic fixed cavity, be in the milk, until after production well grout, close production well valve.
Owing to taking above technical scheme, it has the following advantages:
1, improved the subside cooling intensity in region of furnace bottom.
2, increased the subside point for measuring temperature in region of furnace bottom, can monitor constantly the subside temperature variation in region of furnace bottom.
3, ensured the safe operation of State of Blast Furnace labour later stage cupola well.
4, simple in structure, easy to implement.
5, the later stage is easy to safeguard, checks.
The utility model is simple and reasonable, easy to implement, effectively improve the subside cooling intensity in region of Blast Furnace Bottom, realize the subside temperature variation in region of Blast Furnace Bottom has been monitored, ensured the safe operation of State of Blast Furnace labour later stage cupola well, and the utility model is easy to safeguard and check.
Brief description of the drawings
Below in conjunction with accompanying drawing, the utility model is further described, Fig. 1 is structural representation of the present utility model.
Embodiment
A kind of device that improves Blast Furnace Bottom cooling intensity, as shown in Figure 1, be included in the cold-air duct of the uniform setting of Blast Furnace Bottom, on the furnace wall of 45-55mm place furnace bottom above cold-air duct, horizontal blind hole 2 is being set, the axis of horizontal blind hole 2 and the axis of cold-air duct are perpendicular, the water cooling tube 3 with water-in and water outlet 8 is installed in horizontal blind hole 2, the closed at both ends of water cooling tube 3, be positioned at affixed the telescopic fixed cavity 7 with production well 6 and grout hole 9 on the water cooling tube 3 at horizontal blind hole 2 places, telescopic fixed cavity 7 is fixed on last furnace shell 1, in horizontal blind hole 2, thermopair 5 is installed.The quantity of horizontal blind hole 2 is 2, and 2 horizontal blind holes 2 are parallel to each other, and its spacing is 500mm, and 2 horizontal blind holes 2 are positioned at the both sides at Blast Furnace Bottom center.Horizontal blind hole 2 is positioned on the furnace wall of 50mm place, cold-air duct top furnace bottom.The diameter of horizontal blind hole 2 is 50mm, and the degree of depth is 2850mm.The water-in of water cooling tube 3 is arranged on water cooling tube 3 outer end end walls, affixed the water inlet pipe 4 that gos deep into water cooling tube 3 the inners on water-in, and water outlet 8 is arranged on the tube wall of water cooling tube 3 outer ends.The inner end of water inlet pipe 4 is apart from the bottom 100mm of water cooling tube 3.On the cavity body wall on fixed cavity 7 tops, production well 6 is being set, grout hole 9 is being set on the cavity wall of fixed cavity 7 bottoms.
Claims (7)
1. one kind is improved the device of Blast Furnace Bottom cooling intensity, be included in the cold-air duct of the uniform setting of Blast Furnace Bottom, it is characterized in that: on the furnace wall of 45-55mm place furnace bottom above cold-air duct, horizontal blind hole (2) is being set, the axis of horizontal blind hole (2) and the axis of cold-air duct are perpendicular, the water cooling tube (3) with water-in and water outlet (8) is installed in horizontal blind hole (2), the closed at both ends of water cooling tube (3), be positioned at upper affixed the telescopic fixed cavity (7) with production well (6) and grout hole (9) of the outside water cooling tube (3) of horizontal blind hole (2), telescopic fixed cavity (7) is fixed on last furnace shell (1), thermopair (5) is installed in horizontal blind hole (2).
2. a kind of device that improves Blast Furnace Bottom cooling intensity according to claim 1, it is characterized in that: the quantity of horizontal blind hole (2) is 2, and 2 horizontal blind holes (2) are parallel to each other, its spacing is 500mm, and 2 horizontal blind holes (2) are positioned at the both sides at Blast Furnace Bottom center.
3. a kind of device that improves Blast Furnace Bottom cooling intensity according to claim 1, is characterized in that: horizontal blind hole (2) is positioned on the furnace wall of 50mm place, cold-air duct top furnace bottom.
4. a kind of device that improves Blast Furnace Bottom cooling intensity according to claim 1, is characterized in that: the diameter of horizontal blind hole (2) is 50mm, the degree of depth is 2850mm.
5. a kind of device that improves Blast Furnace Bottom cooling intensity according to claim 1, it is characterized in that: the water-in of water cooling tube (3) is arranged on the end wall of water cooling tube (3) outer end, affixed the inner water inlet pipe (4) of water cooling tube (3) that gos deep on water-in, water outlet (8) is arranged on the tube wall of water cooling tube (3) outer end.
6. a kind of device that improves Blast Furnace Bottom cooling intensity according to claim 1, is characterized in that: the inner end of water inlet pipe (4) is apart from the bottom 100mm of water cooling tube (3).
7. a kind of device that improves Blast Furnace Bottom cooling intensity according to claim 1, it is characterized in that: production well (6) is being set on the cavity body wall on fixed cavity (7) top, grout hole (9) is being set on the cavity wall of fixed cavity (7) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420092807.8U CN203820811U (en) | 2014-03-03 | 2014-03-03 | Device for improving cooling intensity of blast furnace bottom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420092807.8U CN203820811U (en) | 2014-03-03 | 2014-03-03 | Device for improving cooling intensity of blast furnace bottom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203820811U true CN203820811U (en) | 2014-09-10 |
Family
ID=51476331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420092807.8U Expired - Fee Related CN203820811U (en) | 2014-03-03 | 2014-03-03 | Device for improving cooling intensity of blast furnace bottom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203820811U (en) |
-
2014
- 2014-03-03 CN CN201420092807.8U patent/CN203820811U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20150303 |
|
| EXPY | Termination of patent right or utility model |