Inner container device capable of heating in long-time high-temperature state

Abstract

The utility model discloses an inner container device capable of heating in a long-time high-temperature state. The inner container device comprises a heat preservation shell, an inner container sliding rail, inner container heat preservation and insulation cotton, a heating fixing base, a heating silicon carbide rod, a 10mm sodium water glass steam escape hole and a middle heating bag. Comprising a supporting frame, the two inner container sliding rails are vertically fixed in the supporting frame, and a heating fixing base is connected to the heating fixing base in a sliding mode and can move up and down along the inner container sliding rails; the heating silicon carbide rod is vertically fixed at the central position of the upper surface of the heating fixed base; the middle heating bag is fixed above the supporting frame, the lower portion of the middle heating bag is fixedly connected with the heat preservation shell, the heat preservation shell is cylindrical, and the heating silicon carbide rod vertically penetrates into the center of the heat preservation shell. The inner wall of the heat preservation shell is wrapped with inner container heat preservation and insulation cotton, and the upper portion and the lower portion of the shell wall of the heat preservation shell are each provided with a circle of 10 mm sodium water glass steam escape holes.

Description

TECHNICAL FIELD

[0001] The utility model belongs to powder metallurgy equipment technical field, concretely relates to a liner device under long time high temperature state heating. BACKGROUND

[0002] In the field of powder metallurgy material production, the liner device is an essential heating device in the high-temperature alloy solution water atomization process. According to the production process requirement, a large amount of heat is discharged through the unsealed lower part of the liner during the heating process using the baking ladle, which leads to poor heating effect, the internal temperature of the tundish cannot meet the process requirement, there is 'black bottom phenomenon', the alloy solution in the tundish cannot reach the water atomization requirement due to rapid cooling under the influence of temperature, a large amount of sodium water glass steam generated by the silicon-carbon rod and sodium water glass in the tundish cannot escape during the heating process of the baking ladle, which leads to the steam adhering to the surface of the silicon-carbon rod, long-time chemical reaction with the silicon-carbon rod under the hot state, fracture of the heating spiral of the silicon-carbon rod, poor heating effect and greatly shortened service life; internal electrical components often appear aging, failure and the like due to high-temperature heat radiation during the heating process, the equipment maintenance frequency is high, and the operation difficulty of workers is increased; therefore, it is the development requirement of the powder metallurgy industry to continuously cycle production, reduce the operation difficulty, improve the existing environment and meet the safe and efficient production requirement. CONTENT

[0003] The utility model provides a liner device under long time high temperature state heating, and aims at solving the problems of internal electrical components often appearing aging and failure due to high-temperature heat radiation during the heating process.

[0004] Therefore, the utility model adopts the following technical scheme:

[0005] A liner device under long time high temperature state heating, heat preservation shell, liner slide rail, liner heat preservation insulation cotton, heating fixed base, heating silicon-carbon rod, 10mm sodium water glass steam escape hole and intermediate heating ladle;

[0006] The liner slide rail includes two and is vertically fixed in the support frame, the heating fixed base is slidably connected to the heating fixed base, and the heating fixed base can move up and down along the liner slide rail; the heating silicon-carbon rod is vertically fixed to the center position on the upper surface of the heating fixed base;

[0007] The intermediate heating ladle is fixed above the support frame, the heat preservation shell is fixedly connected below the intermediate heating ladle, the heat preservation shell is cylindrical, and the heating silicon-carbon rod vertically penetrates the center of the heat preservation shell; the inner wall of the heat preservation shell is wrapped with the liner heat preservation insulation cotton, and a circle of 10mm sodium water glass steam escape holes is arranged on the upper part and the lower part of the shell wall of the heat preservation shell.

[0008] The utility model has the advantages of:

[0009] We optimize the inner structure of the package oven, improve the inner liner material, opening height and hole size, reduce heat loss during heating, shorten the heating time, prolong the service life of the electrical components, extend the service life of the sodium water glass vapor escape, and solve the problems of increasing production cost caused by consumption of electrical materials, increasing labor cost of continuous production, etc. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 is a structural schematic diagram of the utility model;

[0011] In the figure: 1 - thermal insulation shell; 2 - inner liner slide rail; 3 - inner liner thermal insulation cotton; 4 - heating fixed base; 5 - heating silicon carbide rod; 6 - 10mm sodium water glass vapor escape hole; 7 - intermediate heating package. DETAILED DESCRIPTION

[0012] The utility model will be further described in connection with the drawings and specific embodiments:

[0013] As Figure 1 shown, an inner liner device heated under long time high temperature state, including thermal insulation shell 1, inner liner slide rail 2, inner liner thermal insulation cotton 3, heating fixed base 4, heating silicon carbide rod 5, 10mm sodium water glass vapor escape hole 6 and intermediate heating package 7. Including support frame, the inner liner slide rail 2 includes two and is vertically fixed in support frame, heating fixed base 4 is slidably connected on heating fixed base 4, and heating fixed base 4 can move up and down along the inner liner slide rail 2;Heating silicon carbide rod 5 is vertically fixed on the center position of the upper surface of heating fixed base 4;Intermediate heating package 7 is fixed above support frame, and the lower portion of intermediate heating package 7 is fixedly connected with thermal insulation shell 1, and thermal insulation shell 1 is cylindrical, and heating silicon carbide rod 5 is vertically inserted into the center of thermal insulation shell 1;The inner wall of thermal insulation shell 1 is wrapped with inner liner thermal insulation cotton 3, and a circle of 10mm sodium water glass vapor escape hole 6 is formed in the upper portion and the lower portion of the shell wall of thermal insulation shell 1.

[0014] The inner liner thermal insulation cotton 3 has the characteristics of not deforming under continuous high temperature heating state, good internal thermal insulation effect, less heat dissipation to the outside, guaranteeing that the instrument is not damaged, etc.

[0015] The inner liner slide rail 2 and the heating fixed base 4, the fixed heating silicon carbide rod 5, the slide rail is convenient for adjusting the rising height of the heating silicon carbide rod 5, the heating silicon carbide rod 5 is straight up and straight down and is not damaged due to collision, etc.

[0016] 10mm sodium water glass positive air escape hole and inner container heat preservation insulation cotton 3 and heat preservation shell 1 simultaneously constitute the outward exhaust hole, distance inner container upper and lower 50mm around plus one row of diameter 10mm sodium water glass steam escape hole 6 straight through heat preservation shell 1 outside exhaust heating over in the water vapor, be beneficial to the baking tundish sodium water glass moisture fast go away, reduce sodium water glass moisture baking over in the attachment in the heating silicon carbon rod 5 surface, prolong the service life of heating silicon carbon rod 5, intermediate heating package 7 heating time is greatly shortened and so on.

[0017] Inner container heat preservation insulation cotton 3 and heat preservation shell 1 intermediate heat preservation insulation effect greatly reduces the risk of operating personnel in the process of using heat preservation shell 1 soup injury, reduce the high temperature environment operation and so on.

Claims

1. A heating inner liner device for prolonged high-temperature operation, characterized in that, Insulated outer shell, inner liner slide rail, inner liner insulation cotton, heating fixing base, heating silicon carbide rod, 10mm sodium water glass steam vent and intermediate heating pack; The system includes a support frame, two inner liner slide rails that are vertically fixed within the support frame, a heating fixing base that is slidably connected to the heating fixing base and can move up and down along the inner liner slide rails, and a heating silicon carbide rod that is vertically fixed at the center of the upper surface of the heating fixing base. The intermediate heating pack is fixed above the support frame, and the lower part of the intermediate heating pack is fixedly connected to the heat insulation shell. The heat insulation shell is cylindrical, and the heating silicon carbide rod is vertically inserted into the center of the heat insulation shell. The inner wall of the heat insulation shell is wrapped with inner liner heat insulation cotton. A ring of 10mm sodium water glass vapor vent holes is opened on the upper and lower parts of the heat insulation shell wall.

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