CN202162355U - High-flow cooling device for refining grain sizes of horizontal continuous casting blanks of copper pipes - Google Patents
High-flow cooling device for refining grain sizes of horizontal continuous casting blanks of copper pipes Download PDFInfo
- Publication number
- CN202162355U CN202162355U CN2011203117983U CN201120311798U CN202162355U CN 202162355 U CN202162355 U CN 202162355U CN 2011203117983 U CN2011203117983 U CN 2011203117983U CN 201120311798 U CN201120311798 U CN 201120311798U CN 202162355 U CN202162355 U CN 202162355U
- Authority
- CN
- China
- Prior art keywords
- cooling
- cooling water
- cooling jacket
- water
- water jacket
- 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
Images
Landscapes
- Continuous Casting (AREA)
Abstract
The utility model relates to a high-flow cooling device for refining grain sizes of horizontal continuous casting blanks of copper pipes, which comprises a copper sleeve. The copper sleeve is sleeved on an outer ring of a graphite crystallizer, a cooling water jacket is disposed on the outside of the copper sleeve, loops used for fixing the cooling water jacket are respectively disposed at two ends of the cooling water jacket, inner rings of the loops are hermetically connected with an outer ring of the copper sleeve, ring slots are arranged on side walls of the loops, lateral edges of the cooling water jacket are embedded in the ring slots, and a water inlet pipe connector and a water outlet pipe connector which are communicated with an inner cavity of the cooling water jacket are arranged on the cooling water jacket. A cooling mode of direct heat exchange between the copper sleeve and cooling water is adopted, so that heat exchange efficiency is higher, heat exchange effect is better, heat is dissipated fast, the temperature is more uniform, performances of the casting blanks are more stable, and uniformity and consistency of crystal grains of the casting blanks are better.
Description
Technical field
The utility model relates to copper pipe strand equipment technical field, especially a kind of big flow cooling device of refinement copper pipe horizontal casting strand grain size.
Background technology
At present, the technology of becoming a useful person of copper pipe strand has two kinds, and the one, horizontal casting tandem rolling method, another is an extrusion.Extrusion is because the extrusion technique level is low, and the degree of eccentricity of product is big, and is in light weight, and lumber recovery is low, and cost is high, and energy consumption is high, is progressively abandoned using by each manufacturer.Horizontal casting tandem rolling method is compared with traditional extrusion, has characteristics such as cost is low, energy consumption is little, efficient is high, lumber recovery height, thereby has obtained development faster.The horizontal casting of copper pipe strand generally selects for use graphite crystallizer as casting mould; In the strand production process, generally adopt the casting of Direct Water cold type; Be the indirect cooling of strand hydroecium in receiving graphite crystallizer, directly receive the strong cooling of secondary cooling water in the exit of graphite crystallizer.Wherein, The hydroecium cooling is called water-cooled for the first time in the graphite crystallizer, and the water-cooled in graphite crystallizer exit is called water-cooled for the second time, and the heat exchange that the first time, water-cooled was carried out has only 30%; Formed the effect of casting blank outer cover, about 70% heat exchange is mainly carried out in the water-cooled in the second time.The heat exchange total amount of water-cooled will be much larger than the water-cooled first time for the second time.But; Water-cooled is but more crucial to casting process for the first time; This be because: (1) for the first time the casting blank outer cover that forms of water-cooled is the basis of water-cooled for the second time; If casting blank outer cover is failed good formation, promptly be pulled away from the graphite crystallizer outlet, copper liquid contacts directly for the second time that cooling water possibly cause blast, bleedout; (2) for the first time water-cooled has determined the crystal grain state of strand product external surfaces certain depth; (3) in the casting process, casting blank outer cover receives continuous tension and built-in thermal stress, if undercapacity then is prone to the stress effect and causes defectives such as outside crackle.
In first time water cooling plant, place, cooling water crack is the position that cooling water and copper sheathing carry out heat exchange.Therefore, adopt great cooling water crack, the length of water crack part what, how the dimensional accuracy of minute water crack part guarantees etc., is the major issue that is related to the primary water cool equipment.
The clearance type of graphite crystallizer cooling in the prior art; The graphite crystallizer 1 outer copper sheathing supporting 2 that be set with it, the copper sheathing 2 outer neck bush 5, neck bush 5 outer suit cooling jackets 6 of being set with; Neck bush 5 is fixedly connected through gland 3 with cooling jacket 6 two ends; Have two ring-shaped grooves on the neck bush 5 and cooperate two cold water cavities of formation with cooling jacket 6, the cold water cavity bottom is provided with the water inlet pipe interface 7 that is communicated with cold water cavity, and cold water cavity top is provided with the outlet pipe interface 4 that is communicated with cold water cavity.The cold water cavity that cooling water gets between cooling jacket 6 and the neck bush 5 from water inlet pipe interface 7; Flow out from outlet pipe interface 4; Strand is drawn from graphite crystallizer 1; Graphite crystallizer 1 is assembled together with copper sheathing 2, and graphite crystallizer 1 cooling relies on copper sheathing 2 that heat is delivered in the cooling water in the neck bush 5.
The shortcoming of this cooling device:
1), flow of cooling water has some setbacks, and has the dead angle, can make that the inhomogeneous cooling at copper sheathing 2 each positions is even, causes the inhomogeneous of the inner crystal grain of strand;
2), cooling water is from following entering, from top outflow, causes the lower surface water temperature low all the time, the upper surface water temperature is high all the time.The temperature of upper and lower end face is inconsistent, makes that the crystal grain of upper and lower side is also inconsistent, inhomogeneous;
Can produce water vapour because of high temperature when 3), cooling water gets into neck bush 5 coolings; Water vapour accumulates in the corner, edge of cooling-water duct; Hinder the cooling effect of water quench copper sheathing 2, thereby make the non-uniform temperature of graphite crystallizer 1, the inhomogeneities of aggravation strand crystal grain;
4), clearance type type of cooling structure shown in Figure 1, cooling water is little through the cooling water inflow of cooling jacket 6, and the flow velocity in cooling jacket 6 slows down; Be difficult to take away a large amount of heats that graphite crystallizer 1 produces, make the inner crystal grain of strand that variation take place, it is thick that crystal grain becomes; The strand performance descends; Molding surface aggravation wearing and tearing, cc billet surface quality variation, defective become many.
The utility model content
The technical problem that the utility model will solve is: in order to solve the deficiency of prior art; The utility model provides a kind of big flow cooling device of refinement copper pipe horizontal casting strand grain size, the type of cooling that adopts copper sheathing and cooling water directly to carry out heat exchange, higher, the better effects if of heat exchanger effectiveness; Rapid heat dissipation; More uniform temperature, the strand performance is more stable, and uniformity, the uniformity of strand crystal grain are better.
The utility model solves the technical scheme that its technical problem adopted: a kind of big flow cooling device of refinement copper pipe horizontal casting strand grain size; Has the copper sheathing that is sleeved on the graphite crystallizer outer ring; Copper sheathing is provided with cooling jacket outward; The cooling jacket two ends have the ring set that is used for fixing cooling jacket respectively, and the inner ring of described ring set and copper sheathing outer ring are tightly connected, and the sidewall of ring set is provided with annular groove; The side of cooling jacket is inlaid in the annular groove, and cooling jacket is provided with water inlet pipe interface and the outlet pipe interface that is communicated with the cooling jacket inner chamber.Copper sheathing outer wall, ring set sidewall cooperate formation swinging cooling water cavity with the cooling jacket inwall; After cooling water gets into cooling water cavity; Under the hydraulic pressure effect, flow around copper sheathing; Take away copper sheathing surface heat, thereby realize cooling, satisfy different cooling needs through the control cooling water flow to graphite crystallizer.
For making cooling effect better, described water inlet pipe interface is arranged on the cooling jacket bottom, and the outlet pipe interface is arranged on cooling jacket top.
For strengthening cooling water flow and reducing the cooling-water flow dead angle, the quantity of described water inlet pipe interface is two, and the quantity of described outlet pipe interface is two.
The beneficial effect of the utility model is the big flow cooling device of the refinement copper pipe horizontal casting strand grain size of the utility model, the type of cooling that adopts copper sheathing and cooling water directly to carry out heat exchange, higher, the better effects if of heat exchanger effectiveness; Remove original clearance type structure, cooling water becomes big through the water yield of cooling jacket, and liquid flowing resistance reduces, and flow velocity is accelerated, and the copper sheathing surface radiating is accelerated, more uniform temperature; Cooling water flows smooth and easy in cooling jacket, and there is not the dead angle in the cooling of copper sheathing, has improved the uneven problem of copper sheathing surface cool greatly, makes that the inner grain size of strand is thinner, crystal grain more evenly, fine and close more, the product combination property is largely increased; Copper sheathing and graphite crystallizer are closely linked, and have improved the heat exchange performance of copper sheathing, have also improved the heat dispersion of graphite crystallizer greatly; The wearing and tearing of molding surface have been reduced; Cc billet surface quality improves, and defective tails off, and be improved die life.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Fig. 1 is the structural representation of existing cooling device.
Among the figure: 1. graphite crystallizer, 2. copper sheathing, 3. gland, 4. outlet pipe interface, 5. neck bush, 6. cooling jacket, 7. water inlet pipe interface.
Fig. 2 is the structural representation of big flow cooling device most preferred embodiment of the refinement copper pipe horizontal casting strand grain size of the utility model.
Among the figure: 1. graphite crystallizer, 2. copper sheathing, 3. water inlet pipe interface, 4. outlet pipe interface, 5. ring set, 6. cooling jacket.
The specific embodiment
Combine accompanying drawing that the utility model is done further detailed explanation now.These accompanying drawings are the sketch map of simplification, the basic structure of the utility model only is described in a schematic way, so it only show the formation relevant with the utility model.
Fig. 2 is the most preferred embodiment of big flow cooling device of the refinement copper pipe horizontal casting strand grain size of the utility model; Has the copper sheathing 2 that is sleeved on graphite crystallizer 1 outer ring; The copper sheathing 2 outer cooling jackets 6 that are provided with; Cooling jacket 6 two ends have the ring set 5 that is used for fixing cooling jacket 6 respectively, and the inner ring of described ring set 5 and copper sheathing 2 outer rings are tightly connected, and the sidewall of ring set 5 is provided with annular groove; The side of cooling jacket 6 is inlaid in the annular groove, cooling jacket 6 be provided with cooling jacket in the water inlet pipe interface that is communicated with of 6 chambeies 3 and outlet pipe interface 4.Copper sheathing 2 outer walls, ring set 5 sidewalls cooperate the formation cooling water cavity with cooling jacket 6 inwalls.
The quantity of water inlet pipe interface 3 is two, and water inlet pipe interface 3 is arranged on cooling jacket 6 bottoms; The quantity of outlet pipe interface 4 is two, and outlet pipe interface 4 is arranged on cooling jacket 6 tops.
After cooling water gets into cooling water cavity from cooling jacket 6 bottoms, under the hydraulic pressure effect, flow upwards, take away copper sheathing 2 surperficial heats, thereby realize cooling, satisfy different cooling needs through the control cooling water flow to graphite crystallizer 1 around copper sheathing 2.
Claims (3)
1. the big flow cooling device of a refinement copper pipe horizontal casting strand grain size; Has the copper sheathing (2) that is sleeved on graphite crystallizer (1) outer ring; It is characterized in that: the outer cooling jacket (6) that is provided with of described copper sheathing (2); Cooling jacket (6) two ends have the ring set (5) that is used for fixing cooling jacket (6) respectively, and the inner ring of described ring set (5) and copper sheathing (2) outer ring are tightly connected, and the sidewall of ring set (5) is provided with annular groove; The side of cooling jacket (6) is inlaid in the annular groove, and cooling jacket (6) is provided with water inlet pipe interface (3) and the outlet pipe interface (4) that is communicated with cooling jacket (6) inner chamber.
2. the big flow cooling device of refinement copper pipe horizontal casting strand grain size as claimed in claim 1 is characterized in that: described water inlet pipe interface (3) is arranged on cooling jacket (6) bottom, and outlet pipe interface (4) is arranged on cooling jacket (6) top.
3. according to claim 1 or claim 2 the big flow cooling device of refinement copper pipe horizontal casting strand grain size, it is characterized in that: the quantity of described water inlet pipe interface (3) is two, the quantity of described outlet pipe interface (4) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203117983U CN202162355U (en) | 2011-08-25 | 2011-08-25 | High-flow cooling device for refining grain sizes of horizontal continuous casting blanks of copper pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203117983U CN202162355U (en) | 2011-08-25 | 2011-08-25 | High-flow cooling device for refining grain sizes of horizontal continuous casting blanks of copper pipes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202162355U true CN202162355U (en) | 2012-03-14 |
Family
ID=45798207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203117983U Expired - Fee Related CN202162355U (en) | 2011-08-25 | 2011-08-25 | High-flow cooling device for refining grain sizes of horizontal continuous casting blanks of copper pipes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202162355U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717037A (en) * | 2012-07-06 | 2012-10-10 | 青铜峡铝业股份有限公司 | Heat conduction device of crystallizer |
| CN108296462A (en) * | 2018-03-30 | 2018-07-20 | 江西铜业集团有限公司 | A kind of leakproof crystallizer system |
-
2011
- 2011-08-25 CN CN2011203117983U patent/CN202162355U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717037A (en) * | 2012-07-06 | 2012-10-10 | 青铜峡铝业股份有限公司 | Heat conduction device of crystallizer |
| CN108296462A (en) * | 2018-03-30 | 2018-07-20 | 江西铜业集团有限公司 | A kind of leakproof crystallizer system |
| CN108296462B (en) * | 2018-03-30 | 2019-10-29 | 江西铜业集团有限公司 | A kind of leakproof crystallizer system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202169361U (en) | Screw type cooling device capable of improving uniformity of copper pipe horizontal continuous casting blank crystal grain | |
| CN104889350B (en) | Round steel ingot mould and round ingot manufacture method | |
| CN205571334U (en) | Casting die utensil of dysmorphism combustion chamber piston | |
| CN103978189A (en) | Improved die cooling device | |
| CN202162355U (en) | High-flow cooling device for refining grain sizes of horizontal continuous casting blanks of copper pipes | |
| CN202192236U (en) | Cooling device for high-speed cast fine-grain ingot blanks for horizontal continuous casting of copper tubes | |
| CN219357852U (en) | Three-in-one integral casting forming die | |
| CN208357776U (en) | A kind of rotor aluminium low-pressure casting mould | |
| CN203862995U (en) | Improved mold cooling device | |
| CN208357735U (en) | More acupuncture point casting moulds | |
| CN203304535U (en) | Upper and lower die PCD (Poly Crystal Diamond) column water cooling structure of low-pressure casting mold | |
| CN201760575U (en) | Cooling water seam of shaped blank continuous casting crystallizer | |
| CN201921999U (en) | Pulse oil-film air-lubricated crystallizer for casting smooth aluminum cast ingot | |
| CN201529757U (en) | Horizontal continuous casting graphite crystallizer | |
| CN203155963U (en) | Novel crystallizer for pouring square billet | |
| CN203426418U (en) | Water-cooled aluminum alloy wheel low-pressure casting mold | |
| CN206662223U (en) | A kind of wide face copper coin of new type superthin plate slab crystallizer | |
| CN202606821U (en) | Crystallizer broadside copper plate for efficient slab caster | |
| CN207668455U (en) | A kind of graphite crystallizer for copper pipe continuous casting | |
| CN203495162U (en) | Efficient crystallizer for continuous casting machine | |
| CN202671226U (en) | Crystal device for producing granular aluminum sulfate | |
| CN203238159U (en) | Tin bath with cooling structure at bottom | |
| CN202921898U (en) | Copper-aluminum compound crystallizer for casting thin-walled aluminum pipe blank capable of replacing lining | |
| CN201922029U (en) | Metal directional solidification clean ingot mold | |
| CN201279575Y (en) | Cold type die for producing belt through metal roller |
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: 20120314 Termination date: 20150825 |
|
| EXPY | Termination of patent right or utility model |