CN215713121U - Protective device for external connecting pipe of converter - Google Patents
Protective device for external connecting pipe of converter Download PDFInfo
- Publication number
- CN215713121U CN215713121U CN202122044528.7U CN202122044528U CN215713121U CN 215713121 U CN215713121 U CN 215713121U CN 202122044528 U CN202122044528 U CN 202122044528U CN 215713121 U CN215713121 U CN 215713121U
- Authority
- CN
- China
- Prior art keywords
- pipe
- converter
- anchoring
- steel pipe
- external
- 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
Links
- 230000001681 protective effect Effects 0.000 title claims abstract description 34
- 238000004873 anchoring Methods 0.000 claims abstract description 36
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 33
- 239000010959 steel Substances 0.000 claims abstract description 33
- 238000009413 insulation Methods 0.000 claims abstract description 7
- 239000011819 refractory material Substances 0.000 claims abstract description 5
- 239000004570 mortar (masonry) Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000002184 metal Substances 0.000 description 5
- 238000004880 explosion Methods 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000009970 fire resistant effect Effects 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Landscapes
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
The utility model discloses a protective device for a converter external pipe, which comprises the converter external pipe made of a high-pressure boiler pipe, wherein a protective steel pipe is arranged outside the converter external pipe in a surrounding manner, the protective steel pipe is a square pipe with two open ends, an anchoring frame is arranged outside the protective pipe, the anchoring frame comprises a plurality of groups of uniformly arranged claw-shaped anchoring pieces, and a heat insulation layer is formed by filling refractory materials in the anchoring pieces; wherein each set of anchors comprises: and the bottom end of the vertical anchor rod is fixed outside the protection steel pipe, and two sides of the bottom end of the vertical anchor rod are respectively connected with an inclined anchor rod. Solves the problem that the external adapter of the transfer furnace is easy to have pipeline burst in the prior art.
Description
Technical Field
The utility model belongs to the technical field of converter external pipe protection, and particularly relates to a protection device for a converter external pipe.
Background
The sewage discharge pipeline, the water inlet and outlet pipeline of the converter steelmaking waste heat boiler are usually metal hoses and are directly exposed in a high-temperature area of the converter, and are baked by flame brought in the blowing period in the smelting process of the converter, so that water flow in the metal hoses is gasified, the local pressure in the hoses is increased, and the pipelines burst. The failure of the production equipment directly causes the production stop of the converter, the water flow in the pipeline enters the converter to induce the water inlet accident in the converter, the explosion is caused, and the replacement of the equipment increases the operation risk of staff.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a protective device for an external connecting pipe of a converter, which aims to solve the problem that the external connecting pipe of the converter is easy to burst in the prior art.
The utility model adopts the following technical scheme: a protective device for an external connecting pipe of a converter comprises the external connecting pipe of the converter, which is made of a high-pressure boiler pipe, wherein a protective steel pipe is arranged outside the external connecting pipe of the converter in a surrounding manner, the protective steel pipe is a square pipe with two open ends, an anchoring frame is arranged outside the protective pipe, the anchoring frame comprises a plurality of groups of uniformly arranged claw-shaped anchoring pieces, and a heat insulation layer is formed by filling refractory materials in the anchoring pieces; wherein each set of anchors comprises: and the bottom end of the vertical anchor rod is fixed outside the protection steel pipe, and two sides of the bottom end of the vertical anchor rod are respectively connected with an inclined anchor rod.
Further, in each group of anchoring pieces, the two inclined anchoring pieces are symmetrically arranged relative to the vertical anchoring piece, and an opening formed between the two inclined anchoring pieces faces the outside of the protective pipe.
Further, the vertical anchor rod and the two inclined anchor rods are both made of deformed steel bars with the diameter of 6 mm.
Further, the heat-insulating layer is made of refractory mortar with the thickness not less than 80 mm.
The utility model has the beneficial effects that: according to the utility model, the external pipe body of the converter is improved, and the fireproof heat-insulating layer is arranged outside the external pipe body, so that the direct roasting of flame on the converter exhaust heat boiler blow-off pipe in the production process of the converter is avoided, the original metal hose which is replaced once a month is changed into a high-pressure boiler pipe and is additionally protected, the current one-year-old furnace service is prolonged to more than one year, the consumption cost of equipment spare parts is reduced, the pipeline pressure resistance capability of the high-pressure boiler pipe is improved, the probability of explosion of the exhaust heat boiler blow-off pipe in the production process is reduced, the risk resistance degree of the exhaust heat boiler blow-off pipe is increased, and the safety is better.
Drawings
FIG. 1 is a schematic structural view of a protective device for an external connecting pipe of a converter according to the present invention;
fig. 2 is a side view of fig. 1.
The converter comprises a converter outer connecting pipe 1, a protective steel pipe 2, a vertical anchor rod 3, an inclined anchor rod 4 and a heat insulation layer 5.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The utility model provides a protective device for an external connecting pipe of a converter, wherein the external connecting pipe of the converter is a sewage discharge pipeline or a water inlet and outlet pipeline. As shown in fig. 1, the converter external connection pipe comprises a converter external connection pipe 1 made of a high-pressure boiler pipe, a protective steel pipe 2 is arranged outside the converter external connection pipe 1 in a surrounding mode, the protective steel pipe 2 is a square pipe with two open ends, anchoring frames are distributed on the outer side of the protective pipe 2, each anchoring frame comprises a plurality of groups of uniformly arranged claw-shaped anchoring pieces, and a heat insulation layer 5 is formed by filling refractory materials in the anchoring pieces; wherein each set of anchors comprises: and the vertical anchor rod 3 is perpendicular to the protective steel pipe 2, the bottom end of the vertical anchor rod 3 is fixed on the outer side of the protective steel pipe 2, and two sides of the bottom end of the vertical anchor rod 3 are respectively connected with an inclined anchor rod 4.
The diameter of the protective steel pipe 2 is about 5mm larger than that of the converter external pipe 1, and the two ends of the protective steel pipe 2 are not sealed so as to radiate heat on the surface of the converter external pipe 1, so that the protective steel pipe 2 and the converter external pipe 1 are prevented from forming a closed space to gather a large amount of heat energy.
In some embodiments, in each group of anchoring members, the two inclined anchoring rods 4 are symmetrically arranged about the vertical anchoring rod 3, and the opening formed between the two inclined anchoring rods 4 faces the outside of the protective pipe, so that the formwork support can be performed by using a wooden formwork around the anchoring member, and the refractory material can be effectively fastened on the anchoring member.
In some embodiments, the vertical anchor 3 and the two oblique anchors 4 are each of 6mm diameter deformed steel.
In some embodiments, the heat insulation layer 5 is made of refractory mortar with a thickness of not less than 80mm, so that the heat insulation layer can insulate the environment in the external pipeline 1 of the converter, prevent direct combustion of flame, reduce the temperature of water flow in the pipeline of the waste heat boiler, and prevent the pipeline from bursting.
The manufacturing method of the protective device for the external connecting pipe of the converter comprises the following steps: a high-pressure boiler pipe is used as an external connecting pipe 1 of the converter; the outer side of the converter external pipe 1 is surrounded by a square protective steel pipe 2, the outer side of the protective steel pipe 2 is provided with an anchoring frame, refractory mortar is poured into the anchoring frame to form a refractory heat-insulating layer 5, and then the protective device is completed and is suitable for various converter external pipelines, such as a sewage discharge pipeline or a water inlet and outlet pipeline.
Examples
The method comprises the steps of replacing a metal hose adopted by a converter external pipe 1 pipeline of an original waste heat boiler with a high-pressure boiler pipe, wherein the size of the high-pressure boiler pipe is phi 50 x 10, manufacturing a square protective steel pipe 2 outside the converter external pipe 1 by using a Q345 steel plate, manufacturing the square protective steel pipe 2 with two unsealed ends by using the Q345 steel plate, and setting the length x width x height of the protective steel pipe 2 to be 1500 x 55, wherein the diameter of the protective steel pipe 2 is 5mm larger than the diameter of the converter external pipe 1. The claw-shaped anchoring piece is made of 6 mm-diameter threaded steel outside the protective steel pipe 2, the overall height of the anchoring piece is 100mm, the width of the anchoring piece is 120mm, wood templates are used for supporting the periphery of the anchoring piece, the fireproof materials are conveniently and effectively fastened on the anchoring piece, and the thickness requirement of the fireproof materials is not lower than 80 mm. Pour the fire clay in its inside and set up fire-resistant insulating layer, avoid flame direct combustion, reduce the inside rivers temperature of exhaust-heat boiler pipeline, wait to install to reforming transform pipeline department after fire-resistant insulating layer hardens.
According to the utility model, the external pipe body of the converter is improved, and the fireproof heat-insulating layer is arranged outside the external pipe body, so that the direct roasting of flame on the converter exhaust heat boiler blow-off pipe in the production process of the converter is avoided, the original metal hose which is replaced once a month is changed into a high-pressure boiler pipe and is additionally protected, the current one-year-old furnace service is prolonged to more than one year, the consumption cost of equipment spare parts is reduced, the pipeline pressure resistance capability of the high-pressure boiler pipe is improved, the probability of explosion of the exhaust heat boiler blow-off pipe in the production process is reduced, the risk resistance degree of the exhaust heat boiler blow-off pipe is increased, and the safety is better.
Claims (4)
1. The protection device for the converter external pipe is characterized by comprising the converter external pipe (1) made of a high-pressure boiler pipe, wherein a protection steel pipe (2) is arranged outside the converter external pipe (1) in a surrounding mode, the protection steel pipe (2) is a square pipe with two open ends, an anchoring frame is arranged outside the protection steel pipe (2) and comprises a plurality of groups of uniformly arranged claw-shaped anchoring pieces, and a heat insulation layer (5) is formed by filling refractory materials in the anchoring pieces; wherein each set of anchors comprises: with vertical stock (3) of protection steel pipe (2) vertically, just the bottom mounting of vertical stock (3) is in the outside of protection steel pipe (2), the bottom both sides of vertical stock (3) respectively are connected with an slope stock (4).
2. The protection device for the external extension tube of the converter according to claim 1, wherein in each group of anchoring members, two inclined anchoring rods (4) are symmetrically arranged about the vertical anchoring rod (3), and the opening formed between the two inclined anchoring rods (4) faces the outside of the protection steel tube.
3. The protection device for the external extension tube of the converter according to claim 1 or 2, characterized in that the vertical anchor rod (3) and the two inclined anchor rods (4) are both made of deformed steel with a diameter of 6 mm.
4. The protective device for the extension tube of a converter according to claim 1 or 2, wherein the heat insulating layer (5) is refractory mortar with a thickness of not less than 80 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122044528.7U CN215713121U (en) | 2021-08-27 | 2021-08-27 | Protective device for external connecting pipe of converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122044528.7U CN215713121U (en) | 2021-08-27 | 2021-08-27 | Protective device for external connecting pipe of converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215713121U true CN215713121U (en) | 2022-02-01 |
Family
ID=80008414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122044528.7U Expired - Fee Related CN215713121U (en) | 2021-08-27 | 2021-08-27 | Protective device for external connecting pipe of converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215713121U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113881825A (en) * | 2021-08-27 | 2022-01-04 | 陕西龙门钢铁有限责任公司 | Protective device for external connecting pipe of converter and manufacturing method thereof |
-
2021
- 2021-08-27 CN CN202122044528.7U patent/CN215713121U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113881825A (en) * | 2021-08-27 | 2022-01-04 | 陕西龙门钢铁有限责任公司 | Protective device for external connecting pipe of converter and manufacturing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215713121U (en) | Protective device for external connecting pipe of converter | |
| CN204174222U (en) | The repair structure of iron-making heat wind furnace hot air duct and repairing mould thereof | |
| WO2017181713A1 (en) | Thermally insulated corrosion-resistant non-metallic composite pipe with tension-resistant shell internally provided with prestressed expansive cement | |
| CN102183148A (en) | Process for repairing thermal insulating layer in a pipeline of heating furnace | |
| CN113881825A (en) | Protective device for external connecting pipe of converter and manufacturing method thereof | |
| CN109058635A (en) | Prefabricated thermal insulation bilayer bend pipe and preparation method thereof | |
| CN201825987U (en) | Novel sealing device for high-temperature resistant protective gas | |
| CN202812627U (en) | High-temperature expansion joint | |
| CN211079058U (en) | Water cooling bucket assembly | |
| CN209214121U (en) | A kind of pressure-bearing solar water heater water tank that anticorrosive inner bag is set | |
| CN219178279U (en) | Fire-resistant composite heat insulation module | |
| CN221098584U (en) | Steam-water fine separation device in converter waste heat boiler drum | |
| CN219301333U (en) | Heat-insulating flame-explosion-resistant impact electric furnace flue gas pipeline | |
| CN206093359U (en) | Thermal -insulated fixed festival of steam direct -burried pipeline low energy consumption type | |
| CN220286810U (en) | A blow off pipe for steam boiler | |
| CN220418121U (en) | Rotary kiln radiant heat utilization device | |
| CN208733876U (en) | Building partition structure | |
| CN221525544U (en) | Three-dimensional sealing structure of large box of boiler | |
| CN205208618U (en) | Device is prevented leaking by exhaust -heat boiler furnace roof with high -efficient sealing performance | |
| CN219624547U (en) | Modularized energy saver for petrochemical waste heat furnace | |
| CN201242349Y (en) | Water cooling type chain-grating machine flame dyke | |
| CN220017330U (en) | High-tightness membrane water-cooled wall | |
| CN219867978U (en) | Boiler water-cooled wall header | |
| CN212227092U (en) | Be applicable to regional novel heat preservation seal structure of economizer | |
| CN220229133U (en) | Deformation-preventing structure of boiler slag discharging pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220201 |