CN202951871U - Bottom pour ladle preheating device - Google Patents
Bottom pour ladle preheating device Download PDFInfo
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- CN202951871U CN202951871U CN 201220683374 CN201220683374U CN202951871U CN 202951871 U CN202951871 U CN 202951871U CN 201220683374 CN201220683374 CN 201220683374 CN 201220683374 U CN201220683374 U CN 201220683374U CN 202951871 U CN202951871 U CN 202951871U
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- preheating device
- bottom pour
- pour ladle
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Abstract
The utility model discloses a bottom pour ladle preheating device. The preheating device comprises a furnace body with a thermal insulating layer, wherein a resistor wire which is controlled by a temperature control box is arranged in the thermal insulating layer around the furnace body, and a thermal insulating cover is arranged at the upper port end of the furnace body. By adopting the preheating device provided by the utility model, sufficient baking of the bottom pour ladle according to a preset temperature rising curve and sufficient preheating and thermal insulation at a preset temperature are achieved, and continuous implementation of an atomization pulverization process and a necessary superheat degree of molten metal liquid in an atomization process are ensured so as to prepare metal powder meeting processing property requirements. The preheating device disclosed by the utility model is simple in structure, easy to process, and applicable to industrialized production.
Description
Technical field
The utility model relates to a kind of preheating device, and particularly a kind of employing atomization is produced metal dust bottom pour ladle preheating device.
Background technology
It is a kind of important method of producing metal dust that atomization is produced metal dust, comprises producing the various metals powder such as metallic copper and copper alloy powder, iron-based powder, lead powder, glass putty, is divided into the forms such as water atomization, aerosolization according to the difference of atomizing medium.The metal dust that adopts atomization to produce is widely used in sintered metal product.Atomization is produced metal dust need to pass through the technological processes such as metal melting, atomizing, screening.Wherein after metal is by resistance furnace or induction furnace melting, need motlten metal is poured into a bottom pour ladle (being tundish), motlten metal through the small opening of bottom pour ladle bottom after in atomizer standby high-pressure atomization medium atomization powdered particle.Though this bottom pour ladle wherein is a simple molten metal bath transfer overflow means, plays considerable effect in the powder by atomization process.Bottom pour ladle inside builds up with refractory material, need toast fully before using, and only have through sufficient preheating, reach uniform temperature, be unlikely to cause too much the small opening condensation obstruction of bottom pour ladle bottom because self temperature reduces in the time of could and flowing out in the temporary transient storage of motlten metal impouring, thereby cause atomizing to interrupt.Thereby it is just very important before atomizing bottom pour ladle to be carried out preheating.Usually bottom pour ladle is adopted the direct-fired modes such as natural gas, pre-heat effect is poor, and the bottom pour ladle preheating is inhomogeneous, the phenomenon that often has the small opening condensation of bottom pour ladle bottom to stop up, and under low temperature condition, this phenomenon is even more serious.
The utility model content
The purpose of this utility model be to provide in a kind of powder by atomization to bottom pour ladle evenly toast, preheating and the device that can be incubated.
The purpose of this utility model is to realize by such technical scheme, a kind of bottom pour ladle preheating device, it is characterized in that: comprise the body of heater with heat-insulation layer, in the heat-insulation layer around the described body of heater, be provided with resistance wire, described resistance wire is arranged in the heat-insulation layer of body of heater both sides, and by temperature control box control, be provided with insulation cover at the end suitable for reading of described body of heater.
Specifically, in described bottom pour ladle preheating device, can place one or more bottom pour ladles in the body of heater of built-in heat insulation layer, cover the insulation cover with insulation material, set and A.T.C by temperature control box, described resistance wire heating power in the insulating layer of furnace body is realized bottom pour ladle baking, preheating, insulation.
More particularly, described preheating device, adopting insulation material by body of heater and insulation cover is that alumina silicate and asbestos board carry out heat-insulation and heat-preservation, resistance wire in the body of heater is under the intensification of setting and preservation and controlling, the progressively intensification that bottom pour ladle carries out being undertaken by heating curve is toasted, and under the temperature of setting, carry out constant temperature baking and preheating, reach bottom pour ladle is fully toasted effect with preheating.
Owing to adopted technique scheme, the utlity model has following advantage:
The sufficient baking that the utility model realization is carried out according to the setting heating curve bottom pour ladle reaches sufficient preheating, the insulation under design temperature, wash away and guarantee that the molten metal bath cooling extent is little, do not stop up small opening so that bottom pour ladle bears molten metal bath in atomization process, guarantee carrying out continuously and molten metal bath necessary degree of superheat in atomization process of powder by atomization process, meet the metal dust that processing performance requires thereby produce.The utility model, simple in structure, handling ease is suitable for suitability for industrialized production.
Description of drawings
Description of drawings of the present utility model is as follows:
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the top view of the described bottom pour ladle of embodiment of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in further detail; but utility model is not limited to present embodiment; any on the present embodiment essence spirit improvement or substitute, still belong to the utility model claim scope required for protection.
Embodiment 1, referring to Fig. 1: a kind of bottom pour ladle preheating device, comprise the body of heater 1 with heat-insulation layer 3, in the heat-insulation layer 3 around the described body of heater 1, be provided with resistance wire 4, described resistance wire 4 is arranged in the heat-insulation layer 3 of body of heater 1 both sides, and described resistance wire 4 is by temperature control box 5 control, is provided with insulation cover 2 at the end suitable for reading of described body of heater 1.
Further referring to Fig. 1,2: in described bottom pour ladle preheating device, place 4 bottom pour ladles 6 in the body of heater 1 of built-in heat insulation layer 3, cover the insulation cover 2 with insulation material, set and A.T.C by temperature control box 5, described resistance wire 4 heating powers in body of heater 1 heat-insulation layer 3 are realized bottom pour ladle baking, preheating, insulation.Described insulation material is alumina silicate and asbestos board.
Claims (3)
1. bottom pour ladle preheating device, it is characterized in that: the body of heater (1) that comprises band heat-insulation layer (3), in described body of heater (1) heat-insulation layer (3) on every side, be provided with resistance wire (4), described resistance wire (4) is by temperature control box (5) control, is provided with insulation cover (2) at the end suitable for reading of described body of heater (1).
2. bottom pour ladle preheating device as claimed in claim 1, it is characterized in that: described resistance wire (4) is arranged in the heat-insulation layer (3) of body of heater (1) both sides.
3. bottom pour ladle preheating device as claimed in claim 1 or 2, it is characterized in that: described heat-insulation layer (3) is alumina silicate or asbestos board with insulation material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220683374 CN202951871U (en) | 2012-12-12 | 2012-12-12 | Bottom pour ladle preheating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220683374 CN202951871U (en) | 2012-12-12 | 2012-12-12 | Bottom pour ladle preheating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202951871U true CN202951871U (en) | 2013-05-29 |
Family
ID=48457465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220683374 Expired - Fee Related CN202951871U (en) | 2012-12-12 | 2012-12-12 | Bottom pour ladle preheating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202951871U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106914609A (en) * | 2017-04-27 | 2017-07-04 | 重庆大学 | A kind of aluminium alloy melt heating heat preserving method |
-
2012
- 2012-12-12 CN CN 201220683374 patent/CN202951871U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106914609A (en) * | 2017-04-27 | 2017-07-04 | 重庆大学 | A kind of aluminium alloy melt heating heat preserving method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130529 Termination date: 20171212 |