CN220246162U - Copper steel composite pipe cooling wall - Google Patents
Copper steel composite pipe cooling wall Download PDFInfo
- Publication number
- CN220246162U CN220246162U CN202321802077.1U CN202321802077U CN220246162U CN 220246162 U CN220246162 U CN 220246162U CN 202321802077 U CN202321802077 U CN 202321802077U CN 220246162 U CN220246162 U CN 220246162U
- Authority
- CN
- China
- Prior art keywords
- cooling
- pipe
- copper
- steel
- wall
- 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.)
- Active
Links
Landscapes
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The utility model discloses a copper-steel composite pipe cooling wall, and belongs to the technical field of cooling walls. The utility model comprises a cooling wall, wherein a third cooling pipeline is arranged at the upper end of one side outside the cooling wall, and a second cooling pipeline is arranged at one side of the third cooling pipeline, the upper end of the second cooling pipeline is communicated with the third cooling pipeline, and the second cooling pipeline is formed by compounding a steel pipe and a copper pipe; the steel pipe is positioned on the outer ring of the copper pipe and is relatively fixed, and the steel pipe is in threaded connection with the copper pipe. The utility model has the advantages of cast iron, cast steel and copper cooling walls, the wall body and the water pipe are perfectly combined, the heat transfer structure is optimized, the steel pipe and the copper pipe are tightly combined in a drawing or pressurizing mode by adopting a mode of combining the steel pipe and the copper pipe, the steel pipe and the wall body are fused during casting, and the contact area of copper and steel is increased by the threaded combination, so that the purposes of optimizing the cooling wall structure and increasing the cooling capacity are achieved.
Description
Technical Field
The utility model relates to the field of cooling walls, in particular to a copper-steel composite pipe cooling wall.
Background
The cooling wall of the blast furnace is one of important equipment of the blast furnace, is arranged at the furnace shell part, and the efficient operation of the cooling wall is one of key factors for maintaining the long service life of the blast furnace. The high efficiency of the cooling wall is maintained, the cooling wall has strong cooling capacity, the base material of the cooling wall has good mechanical property, and the internal structure of the cooling wall is reasonable.
The cooling walls currently used are mainly cast iron cooling walls, cast steel cooling walls and copper cooling walls. The cast iron cooling wall has the defects that an air gap layer and a carbon seepage prevention layer exist between a cast iron base metal and an internal cooling water pipe, so that heat cannot be conducted out; the cast steel cooling wall has the defects that the casting temperature is higher, the fusion degree of the cast steel base metal and the water pipe is difficult to control, a gap layer is generated between the base metal and the water pipe when the fusion degree is low, the cooling water pipe loses mechanical property when the fusion degree is too high, and the cooling wall is slightly deformed to break the water pipe; the disadvantage of copper cooling walls is that the parent metal needs slag skin maintenance, wear resistance and high temperature difference resistance, and the price is high.
The utility model aims to solve the defects of cast iron, cast steel and copper cooling walls by designing a novel cooling wall, and combine partial advantages of the cast iron, the cast steel and the copper cooling walls, so that the wall body and the water pipe are perfectly combined, and the heat transfer structure is optimized.
In order to achieve the purpose, the copper-steel composite pipe cooling wall adopts a mode of combining the steel pipe and the copper pipe threads, the steel pipe and the copper pipe are tightly combined in a drawing or pressurizing mode, the steel pipe and the wall body are fused during casting, and the contact area of copper and steel is increased through the thread combination, so that the purposes of optimizing the cooling wall structure and increasing the cooling capacity are achieved.
Disclosure of Invention
The utility model aims to provide a copper-steel composite pipe cooling wall, which has the advantages of cast iron, cast steel and copper cooling walls, ensures that a wall body and a water pipe are perfectly combined, optimizes a heat transfer structure, adopts a mode of combining steel pipes and copper pipe threads, tightly combines the steel pipes and the copper pipes in a drawing or pressurizing mode, fuses the steel pipes and the wall body during casting, and increases the contact area of copper and steel through the thread combination, thereby achieving the purposes of optimizing the cooling wall structure and increasing the cooling capacity.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the copper-steel composite pipe cooling wall comprises a cooling wall body, wherein a third cooling pipeline is arranged at the upper end of one side outside the cooling wall body, and a second cooling pipeline is arranged at one side of the third cooling pipeline, the upper end of the second cooling pipeline is communicated with the third cooling pipeline, and the lower end of the second cooling pipeline is connected with a first cooling pipeline;
an upper sealing ring and a lower sealing ring are respectively arranged at the upper end and the lower end of one side of the cooling wall; the other side of the cooling wall is provided with a wedge-shaped groove;
one end of the third cooling pipeline is in sealing connection with the upper end of one side of the cooling wall through an upper sealing ring, and one end of the first cooling pipeline is in sealing connection with the lower end of one side of the cooling wall through a lower sealing ring;
the second cooling pipeline is formed by compounding a steel pipe and a copper pipe; the steel pipe is positioned on the outer ring of the copper pipe and is relatively fixed, and a flow cavity is formed in the copper pipe;
the inner wall of the steel pipe is provided with an internal thread, the outer wall of the copper pipe is provided with an external thread corresponding to the internal thread, and the steel pipe is in threaded connection with the copper pipe.
Furthermore, the steel pipe and the copper pipe are tightly attached through two modes of drawing or pressurizing.
Further, two ends of the second cooling pipeline are respectively connected with the third cooling pipeline and the first cooling pipeline in a sealing mode.
Further, a connecting wall body is arranged between the steel pipe and the cooling wall.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model optimizes the structure of the cast steel/cast iron cooling wall, the cooling wall body is fully fused with the outer layer steel pipe of the copper steel composite water pipe, and the structure eliminates the adverse effect caused by an air gap layer and an anti-infiltration carbon layer relative to the cast iron cooling wall; compared with the cast steel cooling wall, the structure solves the problems that the cooling wall water pipe loses physical properties caused by excessive fusion of the cooling wall body and the water pipe, water is easy to crack and leak, and the heat conduction capacity is insufficient caused by insufficient excessive fusion rate of the cooling wall body and the water pipe, and can further improve the casting quality of cast steel and cast iron cooling walls and reduce the casting difficulty.
The utility model enhances the cooling capacity of the cooling wall. The air gap layer and the anti-seepage carbon layer occupy more than half of the thermal resistance of the cast iron cooling wall, the air gap layer and the anti-seepage carbon layer are effectively removed, the heat conduction capacity of the cast iron cooling wall is improved by at least one time, meanwhile, the heat exchange capacity between a cooling water pipe and cooling water is greatly improved by adopting a copper pipe design, and the cooling capacity of the cast steel/cast iron cooling wall is further improved.
Drawings
FIG. 1 is an overall block diagram of the present utility model;
FIG. 2 is an enlarged view of a portion of the present utility model;
FIG. 3 is a drawing manufacturing process diagram of the steel-copper composite pipe of the utility model;
fig. 4 is a diagram of the hydraulic stamping manufacturing process of the steel-copper composite pipe of the utility model.
In the figure: 1. a cooling wall; 101. an upper seal ring; 102. a lower seal ring; 103. wedge-shaped grooves; 104. connecting the wall bodies; 2. a second cooling duct; 201. a steel pipe; 2011. an internal thread; 202. copper pipe; 2021. an external thread; 203. a flow chamber; 3. a third cooling duct; 4. a first cooling duct; 5. a plug; 6. the hydraulic oil pressurizes the pipeline.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order to solve the problem that the cooling capacity in the cooling wall is low and the service life of the blast furnace is low, as disclosed in the chinese patent with publication number CN206173373U, the following technical scheme is provided in this embodiment referring to fig. 1-4:
the copper steel composite pipe cooling wall comprises a cooling wall 1, wherein a third cooling pipeline 3 is arranged at the upper end of one side outside the cooling wall 1, and a second cooling pipeline 2 is arranged at one side of the third cooling pipeline 3, the upper end of the second cooling pipeline 2 is communicated with the third cooling pipeline 3, and the lower end of the second cooling pipeline 2 is connected with a first cooling pipeline 4;
an upper sealing ring 101 and a lower sealing ring 102 are respectively arranged at the upper end and the lower end of one side of the cooling wall 1; the other side of the cooling wall 1 is provided with a wedge-shaped groove 103;
one end of the third cooling pipeline 3 is in sealing connection with the upper end of one side of the cooling wall 1 through an upper sealing ring 101, and one end of the first cooling pipeline 4 is in sealing connection with the lower end of one side of the cooling wall 1 through a lower sealing ring 102;
the second cooling pipeline 2 is formed by compounding a steel pipe 201 and a copper pipe 202; the steel pipe 201 is positioned on the outer ring of the copper pipe 202 and is relatively fixed, and a flow cavity 203 is arranged in the copper pipe 202;
an inner wall of the steel pipe 201 is provided with an inner thread 2011, and an outer wall of the copper pipe 202 is provided with an outer thread 2021 correspondingly, and the steel pipe 201 is in threaded connection with the copper pipe 202;
the steel pipe 201 and the copper pipe 202 are tightly attached by two modes of drawing or pressurizing.
The two ends of the second cooling pipeline 2 are respectively connected with the third cooling pipeline 3 and the first cooling pipeline 4 in a sealing way.
A connection wall 104 is provided between the steel pipe 201 and the stave 1.
The application method of the copper steel composite pipe cooling wall is characterized by comprising the following steps of: the method comprises the following steps:
s1: when the cooling wall 1 radiates heat, external cooling liquid is conveyed to the inside of the cooling wall 1 through the third cooling pipeline 3;
s2: in the conveying process, the third cooling pipeline 3 continuously conveys the second cooling pipeline 7, the second cooling pipeline 2 is discharged through the first cooling pipeline 4;
s3: when the cooling wall is installed, the steel pipe 201 is in threaded connection with the copper pipe 202, the steel pipe 201 is fused with the wall body, the inner copper pipe 202 serves as a working water pipe, the heat conduction capacity of the cooling wall is enhanced, and low-temperature cooling liquid flows in the flow cavity 203.
A manufacturing method of a copper steel composite pipe cooling wall comprises the following steps:
step one: manufacturing a copper-steel composite pipe, namely adopting two steel pipes 201 and copper pipes 202 with the inner and outer diameters closest to each other, respectively machining an internal thread 2011 on the inner wall of the steel pipe 201 and an external thread 2021 on the outer wall of the copper pipe 202, and polishing to facilitate the full lamination of the two in the subsequent process;
step two: penetrating the copper pipe 202 into the steel pipe 201, and performing a bonding process;
step three: a bonding step of selecting a steel tube drawing method or a hydraulic pressurizing method;
drawing a steel pipe: heating the steel pipe 201 to a softening temperature, and performing heat treatment when drawing is completed;
hydraulic pressurizing method: the first step: firstly, the copper pipe 202 needs to be heated to a softening temperature, and heat treatment is carried out after pressurization is finished; secondly, conveying the copper-steel composite pipe subjected to heat treatment to a pipe bending workshop for pipe bending; and thirdly, casting, namely introducing a coolant into the copper pipe 202, and pouring molten iron to completely fuse the outer layer steel pipe of the copper-steel composite pipe with molten iron of the wall body.
In the pressurizing process of the hydraulic pressurizing method, two ends of the copper pipe 202 are closed by plugs 5, and the plugs 5 at one end are provided with holes and are connected with a hydraulic oil pressurizing pipeline 6
The cooling water pipe of the composite cooling wall is divided into an inner layer and an outer layer, the outer layer is a steel pipe 201, the inner layer is a copper pipe 202, the two layers of water pipes are tightly attached through two modes of drawing and pressurizing, and the wall body and the outer layer steel pipe 201 are fully fused during cooling casting, so that the cooling capacity of the cooling wall is enhanced;
the second cooling pipeline 2 adopts a double-layer water pipe structure, an outer water pipe is a structural protection layer and a transition layer, an inner water pipe is a working layer, and the two water pipes are connected in a threaded mode.
The manufacturing method of the copper steel composite pipe comprises the following steps: one is by drawing the outer steel tube; the other is to heat the composite pipe to the softening temperature of copper, then to inject hydraulic oil into the copper pipe for pressurizing, when casting, the copper pipe is closely attached to the steel pipe, and the cooling wall body is fully fused with the outer layer steel pipe of the copper steel composite water pipe;
the utility model has the advantages of cast iron, cast steel and copper cooling walls, the wall body and the water pipe are perfectly combined, the heat transfer structure is optimized, the steel pipe 201 and the copper pipe 202 are tightly combined in a drawing or pressurizing mode by adopting a mode of combining the threads of the steel pipe 201 and the copper pipe 202, the steel pipe 201 and the wall body are fused during casting, and the contact area of copper and steel is increased by the threaded combination, so that the purposes of optimizing the cooling wall structure and increasing the cooling capacity are achieved.
The structure of the cast steel/cast iron cooling wall is optimized, the wall body of the cooling wall 1 is fully fused with the outer layer steel pipe 201 of the copper steel composite water pipe, and the adverse effect caused by an air gap layer and an anti-infiltration carbon layer is eliminated compared with the structure of the cast iron cooling wall; compared with the cast steel cooling wall, the structure solves the problems that the cooling wall water pipe loses physical properties caused by excessive fusion of the cooling wall body and the water pipe, water is easy to crack and leak, and the heat conduction capacity is insufficient caused by insufficient excessive fusion rate of the cooling wall body and the water pipe, and can further improve the casting quality of cast steel and cast iron cooling walls and reduce the casting difficulty.
The utility model enhances the cooling capacity of the cooling wall. The air gap layer and the anti-seepage carbon layer occupy more than half of the thermal resistance of the cast iron cooling wall, the air gap layer and the anti-seepage carbon layer are effectively removed, the heat conduction capacity of the cast iron cooling wall is improved by at least one time, meanwhile, the heat exchange capacity between a cooling water pipe and cooling water is greatly improved by adopting a copper pipe design, and the cooling capacity of the cast steel/cast iron cooling wall is further improved.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a copper steel composite pipe cooling wall, includes cooling wall (1), the upper end of cooling wall (1) outside one side is provided with third cooling tube way (3), its characterized in that: the cooling system further comprises a second cooling pipeline (2) which is arranged on one side of the third cooling pipeline (3), the upper end of the second cooling pipeline (2) is communicated with the third cooling pipeline (3), and the lower end of the second cooling pipeline (2) is connected with a first cooling pipeline (4);
an upper sealing ring (101) and a lower sealing ring (102) are respectively arranged at the upper end and the lower end of one side of the cooling wall (1); a wedge-shaped groove (103) is formed on the other side of the cooling wall (1);
one end of the third cooling pipeline (3) is in sealing connection with the upper end of one side of the cooling wall (1) through an upper sealing ring (101), and one end of the first cooling pipeline (4) is in sealing connection with the lower end of one side of the cooling wall (1) through a lower sealing ring (102);
the second cooling pipeline (2) is formed by compounding a steel pipe (201) and a copper pipe (202); the steel pipe (201) is positioned on the outer ring of the copper pipe (202) and is relatively fixed, and a flow cavity (203) is arranged in the copper pipe (202);
an inner wall of the steel pipe (201) is provided with an inner thread (2011), an outer wall of the copper pipe (202) is provided with an outer thread (2021) corresponding to the inner thread, and the steel pipe (201) is in threaded connection with the copper pipe (202).
2. A copper steel composite pipe stave according to claim 1, characterized in that: the steel pipe (201) and the copper pipe (202) are tightly attached through two modes of drawing or pressurizing.
3. A copper steel composite pipe stave according to claim 1, characterized in that: and two ends of the second cooling pipeline (2) are respectively connected with the third cooling pipeline (3) and the first cooling pipeline (4) in a sealing way.
4. A copper steel composite pipe stave according to claim 1, characterized in that: a connecting wall body (104) is arranged between the steel pipe (201) and the cooling wall (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321802077.1U CN220246162U (en) | 2023-07-11 | 2023-07-11 | Copper steel composite pipe cooling wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321802077.1U CN220246162U (en) | 2023-07-11 | 2023-07-11 | Copper steel composite pipe cooling wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220246162U true CN220246162U (en) | 2023-12-26 |
Family
ID=89269339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321802077.1U Active CN220246162U (en) | 2023-07-11 | 2023-07-11 | Copper steel composite pipe cooling wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220246162U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116814876A (en) * | 2023-07-11 | 2023-09-29 | 中冶华天工程技术有限公司 | Copper-steel composite pipe cooling stave and method thereof |
-
2023
- 2023-07-11 CN CN202321802077.1U patent/CN220246162U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116814876A (en) * | 2023-07-11 | 2023-09-29 | 中冶华天工程技术有限公司 | Copper-steel composite pipe cooling stave and method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101380648A (en) | Method for forming copper-aluminum composite pipe | |
| CN105619638B (en) | A kind of mill or rolling mill roller and its manufacture method | |
| CN102294456A (en) | Manufacturing method for oblique rolling of bimetallic compound seamless steel pipe by centrifugal blank | |
| CN220246162U (en) | Copper steel composite pipe cooling wall | |
| CN103231209A (en) | Method for producing vacuum-embedded metallurgical composite bimetal seamless tube | |
| CN107299172A (en) | A kind of copper cooling plate and its water channel method to set up | |
| CN101612659A (en) | A copper alloy anti-gravity casting riser | |
| CN105618711A (en) | Casting technology of water-cooled motor shell, provided with nine turns of spiral waterways, for new energy automobile | |
| CN114523061B (en) | Sectional extrusion forming method for single-layer thick-wall cylinder of high-pressure container and container | |
| CN100457354C (en) | Pile-up welding method of turbine low pressure heater pipe plate and shell, water chamber junction | |
| CN203715654U (en) | Double-metal reinforced cooling wall with copper matrix with internal steel pipe and external steel plate | |
| CN202766547U (en) | Cast copper cooling wall without buried pipe | |
| CN107008769B (en) | The preparation method of crystallizer copper pipe | |
| CN116814876A (en) | Copper-steel composite pipe cooling stave and method thereof | |
| CN113857283A (en) | Forming method of high-speed tool steel bar | |
| CN103920743B (en) | A kind of production method of less-deformable alloy composite double layer tubing | |
| CN217358090U (en) | Copper pressure ring | |
| CN108215345A (en) | A kind of nested three extruding metals pipe | |
| CN208006378U (en) | A kind of nested three extruding metals pipe | |
| CN205466852U (en) | Mill or calender roller | |
| CN203794923U (en) | Through-flow type blast tuyere | |
| CN213841788U (en) | MPR slag area cooling mechanism | |
| CN112011660A (en) | Preparation method of blast furnace cooling wall with foam copper cooling pipe group | |
| CN103722156B (en) | A kind of casting method of cooling plate provided with steel tube casted in copper base and used for submerged arc furnace | |
| CN1853825A (en) | Producer and production for duplexing-metal water-cooled wall piping assembly of boiler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |