CN114672601A - Bundling type micro-aperture uniform heat conduction cooling wall - Google Patents
Bundling type micro-aperture uniform heat conduction cooling wall Download PDFInfo
- Publication number
- CN114672601A CN114672601A CN202210332194.XA CN202210332194A CN114672601A CN 114672601 A CN114672601 A CN 114672601A CN 202210332194 A CN202210332194 A CN 202210332194A CN 114672601 A CN114672601 A CN 114672601A
- Authority
- CN
- China
- Prior art keywords
- cooling
- micro
- cooling wall
- pipe
- aperture
- 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.)
- Pending
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 120
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 230000004907 flux Effects 0.000 claims description 4
- 229910001018 Cast iron Inorganic materials 0.000 claims description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229910001208 Crucible steel Inorganic materials 0.000 claims description 2
- 239000011449 brick Substances 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 239000000498 cooling water Substances 0.000 abstract description 13
- 230000008646 thermal stress Effects 0.000 abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 229910052742 iron Inorganic materials 0.000 description 5
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000009851 ferrous metallurgy Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/10—Cooling; Devices therefor
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Blast Furnaces (AREA)
Abstract
The invention discloses a cluster-type micro-aperture uniform heat conduction cooling wall. The cooling wall comprises a cooling wall body, wherein more than 1 cooling micro unit is arranged on the cooling wall body; each cooling micro unit consists of a water inlet cluster pipe, a water outlet cluster pipe and more than two cooling micro pipes arranged in the cooling wall body; one end of each cooling micro-pipe is communicated with the water inlet bundling pipe; the other end is communicated with the water outlet bundling pipe. The invention achieves the uniform cooling of the cooling wall by reducing the aperture of the cooling water pipes in the cooling wall and increasing the number of the cooling water pipes, reduces the thermal stress damage of the cooling wall body caused by uneven cooling and prolongs the service life of the cooling wall.
Description
Technical Field
The invention relates to the field of blast furnace iron making in ferrous metallurgy, in particular to a blast furnace body system in the field of blast furnace iron making.
Background
The blast furnace body is a core system for blast furnace ironmaking, and the iron-containing raw materials are subjected to a series of reduction reactions in the blast furnace body to finally form high-temperature molten iron. The blast furnace body is in severe working environments of high temperature, high pressure, dust-containing gas flushing, molten liquid slag, iron and the like for a long time, and in order to prolong the service life of the blast furnace body, water-cooling walls are designed inside the furnace shell of the blast furnace body.
The water inlet of current stave, delivery port and this internal water pipe of stave generally adopt the latus rectum design such as, the inside water pipe of stave is generally great up to now, receives the restriction of stove outer covering trompil interval simultaneously, and the interval of water pipe generally requires great, leads to the condenser tube interval great. This design has the consequence that the stave body temperature distribution is not uniform, resulting in thermal stresses inside the stave body, and at the same time, in the case of fluctuations in the heat inside the blast furnace body, cracking and breakage of the stave body are easily caused.
Disclosure of Invention
Aiming at the defects and shortcomings in the prior art, the invention provides a cluster-type micro-aperture uniform heat conduction cooling wall, which achieves the purpose of uniformly cooling the cooling wall by mainly reducing the aperture of cooling water pipes in the cooling wall and increasing the number of the cooling water pipes to form intensive cooling in the cooling wall, thereby reducing the thermal stress damage of the cooling wall body caused by nonuniform cooling and prolonging the service life of the cooling wall.
In order to achieve the purpose, the invention relates to a cluster-type micro-aperture uniform heat conduction cooling wall, which is characterized in that: the cooling wall comprises a cooling wall body, wherein more than 1 cooling micro unit is arranged on the cooling wall body; each cooling micro unit consists of a water inlet cluster pipe, a water outlet cluster pipe and more than two cooling micro pipes arranged in the cooling wall body; one end of each cooling micro-pipe is communicated with the water inlet bundling pipe; the other end is communicated with the water outlet bundling pipe.
Furthermore, the material of the cooling wall body is cast iron, cast steel, copper or other high heat conduction alloys.
The clustered micro-aperture uniformly heat-conducting stave of claim 2, wherein: all the cooling microtubes in each cooling microtube unit are cast inside the cooling wall body.
Further, all the cooling microtubes in each cooling microtube unit are uniformly distributed on the plane arrangement of the cooling wall body.
Furthermore, each cluster-type micro-aperture uniform heat conduction cooling wall comprises 1-8 cooling micro units.
Furthermore, each cooling micro-unit contains 2-10 cooling micro-pipes.
Furthermore, the sum of the cooling fluxes of all the cooling micro-pipes in each cooling micro-unit is 0.7-2 times of the cooling flux of the water inlet bundling pipe and the water outlet bundling pipe.
Furthermore, the cooling micro-unit comprises a cooling micro-pipe which is a straight pipe or a smooth over-bent pipe.
Furthermore, the hot surface of the cooling wall body is a plane, a tongue-and-groove surface, a brick embedding surface, a pouring surface or other alloy embedding surfaces.
The invention changes a large-diameter cooling water pipe in the traditional cooling wall into a plurality of micro-diameter cooling water pipes with the same diameter, and the plurality of micro-diameter cooling water pipes are tiled on the original cooling wall surface at high density, thereby achieving the purpose of uniformly distributing the cooling strength of the cooling wall body under the condition of the same cooling strength. The invention has the other advantages that the number of the micro-diameter cooling water pipes can be increased by increasing the diameters of the inlet and the outlet, the number of the cooling water inlet and the outlet of the cooling wall can be reduced under the condition of not influencing the cooling strength, the number of the openings of the shell of the blast furnace body can be reduced, and the shell strength can be increased. Its advantages are mainly embodied as follows: firstly, through the design of dense micro-cooling pipes in the cooling wall, the uniform heat transfer performance of the cooling wall is strengthened, the formation of thermal stress in the cooling wall is reduced, the damage of the cooling wall caused by the thermal stress is avoided, and the service life of the cooling wall is prolonged; secondly, through the design of the water inlet cluster pipe and the water outlet cluster pipe, the number of cooling water inlets and outlets of the cooling wall can be reduced, the number of holes formed in the shell of the blast furnace body is reduced, the strength of the shell is increased, and the service life of the blast furnace body can be effectively prolonged at the above 2 points.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic side cross-sectional view of the present invention.
In the figure: 1. a stave body; 2. a water inlet bundling pipe; 3. cooling the microtubes; 4. and (4) a water outlet bundling pipe.
Detailed Description
The invention will be further described with reference to specific embodiments and the accompanying drawings in which:
example 1
As shown in fig. 1 and fig. 2, the cluster-type micro-aperture uniform heat conduction cooling wall of the present embodiment includes a cooling wall body (1), a water inlet cluster pipe (2), a cooling micro-pipe (3), and a water outlet cluster pipe (4). The water inlet bundling pipe (2) is positioned at the lower part of the cooling wall body (1), and the water outlet bundling pipe (4) is positioned at the upper part of the cooling wall body (1). The water inlet bundling pipe (2), the water outlet bundling pipe (4) and the 4 cooling micro-pipes (3) jointly form 1 group of cooling micro-units, each cooling wall body (1) comprises 3 groups of cooling micro-units, namely each cooling wall body (1) comprises 12 cooling micro-pipes (3), and the 12 cooling micro-pipes (3) are uniformly distributed in the cooling wall body (1) at equal intervals.
The working principle of the embodiment is as follows: the cooling water firstly enters the water inlet bundling pipe (2) from the lower part of the cooling wall and then is divided into 4 strands of water flows, the water flows respectively enter 4 cooling micro-pipes (3) of the cooling micro-units of the group, the water flows upwards at high speed in each cooling micro-pipe (3), the heat of the cooling wall body (1) is led out in a turbulent state, and then the cooling water is gathered in the water outlet bundling pipe (4) at the upper part of the cooling wall to flow out.
This embodiment is only one of the embodiments of the present invention, and in practical implementation, the cooling water may flow from top to bottom, may flow horizontally, etc., each cooling micro unit may include a plurality of cooling micro pipes (3), and each cooling wall may include a plurality of cooling micro units, etc.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.
Claims (9)
1. A cluster-type micro-aperture uniform heat conduction cooling wall is characterized in that: the cooling wall comprises a cooling wall body, wherein more than 1 cooling micro unit is arranged on the cooling wall body; each cooling micro unit consists of a water inlet cluster pipe, a water outlet cluster pipe and more than two cooling micro pipes arranged in the cooling wall body; one end of each cooling micro-pipe is communicated with the water inlet bundling pipe; the other end is communicated with the water outlet bundling pipe.
2. The clustered micro-aperture uniformly heat-conducting stave of claim 1, wherein: the cooling wall body is made of cast iron, cast steel, copper or other high-heat-conductivity alloys.
3. The clustered micro-aperture uniformly heat-conducting stave of claim 2, wherein: all the cooling microtubes in each cooling microtube unit are cast inside the cooling wall body.
4. The uniformly heat-conducting cluster micro-aperture stave according to claim 2, characterized in that: all the cooling microtubes in each cooling microtube unit are uniformly distributed on the plane arrangement of the cooling wall body.
5. The clustered micro-aperture uniformly heat-conducting stave of claim 2, wherein: each cluster-type micro-aperture uniform heat conduction cooling wall comprises 1-8 cooling micro units.
6. The clustered micro-aperture uniformly heat-conducting stave of claim 2, wherein: each cooling micro unit comprises 2-10 cooling micro pipes.
7. The clustered micro-aperture uniformly heat-conducting stave of claim 2, wherein: the sum of the cooling fluxes of all the cooling microtubes in each cooling microtube unit is 0.7-2 times of the cooling fluxes of the water inlet bundling tube and the water outlet bundling tube.
8. The clustered micro-aperture uniformly heat-conducting stave of claim 2, wherein: the cooling micro-unit is characterized in that the cooling micro-pipe in the cooling micro-unit is a straight pipe or a smooth over-bent pipe.
9. The clustered micro-aperture uniformly heat-conducting stave according to claim 3, wherein: the hot surface of the cooling wall body is a plane, a tongue-and-groove surface, a brick embedding surface, a pouring surface or other alloy embedding surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210332194.XA CN114672601A (en) | 2022-03-30 | 2022-03-30 | Bundling type micro-aperture uniform heat conduction cooling wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210332194.XA CN114672601A (en) | 2022-03-30 | 2022-03-30 | Bundling type micro-aperture uniform heat conduction cooling wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114672601A true CN114672601A (en) | 2022-06-28 |
Family
ID=82075295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210332194.XA Pending CN114672601A (en) | 2022-03-30 | 2022-03-30 | Bundling type micro-aperture uniform heat conduction cooling wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114672601A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6221312B1 (en) * | 1997-01-29 | 2001-04-24 | Hoogovens Staal B.V. | Refractory wall, metallurgical vessel comprising such a refractory wall and method in which such a refractory wall is applied |
| CN204779639U (en) * | 2015-07-15 | 2015-11-18 | 中冶赛迪工程技术股份有限公司 | Cast iron of intensive cooling for blast furnace, cast steel cooling wall |
| CN207002769U (en) * | 2017-08-01 | 2018-02-13 | 中冶京诚工程技术有限公司 | A kind of cooling equipment for blast furnace |
| CN209081917U (en) * | 2018-11-01 | 2019-07-09 | 汕头华兴冶金设备股份有限公司 | A kind of copper cooling wall |
| CN211199259U (en) * | 2019-12-24 | 2020-08-07 | 中冶南方工程技术有限公司 | Cast cooling wall with strong cooling function |
-
2022
- 2022-03-30 CN CN202210332194.XA patent/CN114672601A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6221312B1 (en) * | 1997-01-29 | 2001-04-24 | Hoogovens Staal B.V. | Refractory wall, metallurgical vessel comprising such a refractory wall and method in which such a refractory wall is applied |
| CN204779639U (en) * | 2015-07-15 | 2015-11-18 | 中冶赛迪工程技术股份有限公司 | Cast iron of intensive cooling for blast furnace, cast steel cooling wall |
| CN207002769U (en) * | 2017-08-01 | 2018-02-13 | 中冶京诚工程技术有限公司 | A kind of cooling equipment for blast furnace |
| CN209081917U (en) * | 2018-11-01 | 2019-07-09 | 汕头华兴冶金设备股份有限公司 | A kind of copper cooling wall |
| CN211199259U (en) * | 2019-12-24 | 2020-08-07 | 中冶南方工程技术有限公司 | Cast cooling wall with strong cooling function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9963754B2 (en) | Long campaign life stave coolers for circular furnaces with containment shells | |
| CN114672601A (en) | Bundling type micro-aperture uniform heat conduction cooling wall | |
| CN101705320B (en) | Pore channel cooling method of damaged cooling wall of blast furnace and device thereof | |
| CN216107060U (en) | Single-tube double-hole dip pipe with double circular flow argon pipes | |
| CN215560403U (en) | Blast furnace cooling system and blast furnace device | |
| CN109338031A (en) | Converter movable hood | |
| CN210916131U (en) | Novel composite iron notch structure | |
| CN211814544U (en) | Hot-blast stove with hot-blast surrounding pipe | |
| CN216790885U (en) | Cooling cylinder and treatment furnace | |
| CN206875972U (en) | A kind of monel smelting furnace bell | |
| CN206974194U (en) | A kind of nickel-based intermediate alloy smelting furnace water-cooling type bell | |
| CN213932067U (en) | Bottom cooling device for submerged arc furnace | |
| CN217230795U (en) | Cooling cast copper cooling wall for large blast furnace hearth | |
| CN108826994A (en) | Water recirculation cooler and its manufacturing method | |
| CN212566878U (en) | Water-cooled furnace bottom of submerged arc furnace | |
| CN216790886U (en) | Treatment furnace and combined cooling equipment for high-temperature materials | |
| CN220887578U (en) | Blast furnace tapping channel cooling device | |
| CN209978591U (en) | Wind guide wall water beam of shaft furnace | |
| CN210151142U (en) | Smelting blast furnace cooling device | |
| CN215572161U (en) | Water-cooled furnace cover structure | |
| CN213120091U (en) | Energy-saving submerged arc furnace condensation furnace lining | |
| CN219551131U (en) | Furnace mouth protection device of reverberatory furnace | |
| CN217877151U (en) | Quick cooling device of sponge iron | |
| CN215799662U (en) | Copper cooling plate device | |
| CN217236471U (en) | Esse furnace reaction zone conical section curved surface cast copper water jacket |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220628 |
|
| RJ01 | Rejection of invention patent application after publication |