CN215365450U - Basalt fiber vertical heating furnace - Google Patents
Basalt fiber vertical heating furnace Download PDFInfo
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- CN215365450U CN215365450U CN202023169810.XU CN202023169810U CN215365450U CN 215365450 U CN215365450 U CN 215365450U CN 202023169810 U CN202023169810 U CN 202023169810U CN 215365450 U CN215365450 U CN 215365450U
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- refractory furnace
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- basalt
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Abstract
The utility model relates to a vertical basalt fiber heating furnace, which comprises a refractory furnace body, wherein the refractory furnace body is vertically arranged, the upper part of the refractory furnace body is provided with a raw material inlet, and the lower part of the refractory furnace body is provided with a wire drawing bushing plate; the upper part, the middle part and the lower part of the refractory furnace body are all provided with electric heating devices. The utility model achieves the following beneficial effects: the molten liquid level is improved, the heat diffusion is avoided, the heat utilization rate is improved, and the subsequent wire drawing operation is facilitated.
Description
Technical Field
The utility model relates to the technical field of basalt fiber processing equipment, in particular to a vertical basalt fiber heating furnace.
Background
In the production of basalt fibers, the melting of basalt generally adopts gas heating or electric melting heating, and the electric heating mode is more favorable for accurately controlling the temperature in a furnace and producing the basalt fibers with high performance; however, the existing smelting furnace is basically of a horizontal furnace type, the liquid level of the molten liquid is low, and the melting efficiency is low, so that the wire drawing operation is not facilitated; and because the surface heat dissipation area of the furnace body is large, the heat utilization rate is extremely low.
Therefore, the applicant designs a basalt fiber vertical heating furnace, improves the heat utilization rate, improves the liquid level of the molten liquid, and is beneficial to subsequent wire drawing operation.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide the basalt fiber vertical heating furnace which improves the height of a molten liquid level, avoids heat diffusion, improves the heat utilization rate and is convenient for subsequent wire drawing operation.
The purpose of the utility model is realized by the following technical scheme: the basalt fiber vertical heating furnace comprises a refractory furnace body, wherein the refractory furnace body is vertically arranged, the upper part of the refractory furnace body is provided with a raw material inlet, and the lower part of the refractory furnace body is provided with a wire drawing bushing plate;
the upper part, the middle part and the lower part of the refractory furnace body are all provided with electric heating devices.
Furthermore, a feeder is arranged at the upper part of the refractory furnace body; in the refractory furnace body, the upper part of the refractory furnace body is provided with an added basalt raw material layer, the lower part of the refractory furnace body is provided with a basalt molten liquid layer, and the basalt molten liquid layer is discharged from a wire drawing bushing. Ensuring that the discharged liquid is molten liquid, and being beneficial to subsequent wire drawing.
Preferably, the refractory furnace body is cylindrical or polygonal vertical cylindrical; the outlet of the feeder is positioned right above the refractory furnace body; the wire drawing bushing plate is arranged at the bottom of the refractory furnace body.
Furthermore, the fire-resistant furnace body is wrapped with an insulating layer.
Preferably, the electric heating device is a heating coil.
The utility model has the following advantages:
(1) according to the scheme, the refractory furnace body is arranged in a vertical mode, raw materials are added from the upper portion, and molten liquid is discharged from the lower portion; after the raw materials enter from the upper part, the surface of the raw materials keeps a low-temperature non-melting state and covers the liquid level of the molten liquid below to form a cold furnace top, so that the heat in the refractory furnace body is prevented from dissipating, and the energy is saved;
(2) due to the adoption of the vertical design, the height of the liquid level of the molten liquid can be ensured to be high, and continuous and uninterrupted wire drawing operation is facilitated; meanwhile, the arrangement of the electric heating devices at the upper part, the middle part and the lower part and the arrangement of the temperature sensor can well control the dynamic temperature field in the basalt molten liquid layer, and when the molten liquid flows from top to bottom, the temperature of the solution discharged from the wire drawing bushing is stable under the common adjustment action of the electric instant heating devices at the upper part, the middle part and the lower part, so that the performance of the produced basalt fiber tends to be consistent, and the effects of stability and high performance are achieved;
(3) when feeding is carried out from the upper part, the escaped temperature can preheat new raw materials, and the waste heat is fully utilized.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1-a refractory furnace body, 2-an electric heating device, 3-a wire drawing bushing plate, 4-a basalt molten liquid layer, 5-a heat insulation layer, 6-a basalt raw material layer and 7-a feeder.
Detailed Description
The utility model will be further described with reference to the accompanying drawings, but the scope of the utility model is not limited to the following.
As shown in fig. 1, the basalt fiber vertical heating furnace comprises a refractory furnace body 1, wherein the refractory furnace body 1 is vertically arranged, the upper part of the refractory furnace body is a raw material inlet, and the lower part of the refractory furnace body is provided with a wire drawing bushing plate 3 convenient for discharging a solution; and electric heating devices 2 are arranged on the upper part, the middle part and the lower part of the body of the refractory furnace body 1.
When the raw materials enter the refractory furnace body 1 from the raw material inlet, the raw materials stay at the upper part and are preheated by the heat emitted by the refractory furnace body 1; and the preheated raw materials can form a cold furnace top, so that the excessive heat is prevented from dissipating, and the energy is saved. When the raw material in the upper part is melted into liquid near the middle part, the liquid gradually flows downwards and is then heated by the electric heating device 2 in the middle part and the electric heating device 2 in the lower part in sequence; a plurality of temperature sensors (at least one sensor is arranged at the middle part and the lower part) are arranged in the refractory furnace body 1, so that the temperature of the molten liquid is detected at all times, the temperature in the furnace is correspondingly adjusted, the temperature of the molten liquid tends to be stable, the temperature of the molten liquid finally discharged from the wire drawing bushing 3 also tends to be stable, and when the wire drawing operation is carried out subsequently, the performances of all parts of the basalt fiber tend to be consistent, so that the stability of the performance of the basalt fiber is ensured.
Specifically, in this embodiment, a feeder 7 is provided at the upper part (i.e., above) of the refractory furnace body 1, and after the raw materials are fed, a basalt raw material layer 6 is formed at the upper part in the refractory furnace body 1, and a molten basalt molten liquid layer body 4 is formed after the molten basalt raw material layer is melted; the bottom of the refractory furnace body 1 is provided with a wire-drawing bushing 3 from which a basalt melt layer body 4 is discharged.
In order to control the temperature well, the scheme adopts an electric heating device 2 which is a heating coil to heat; in order to prevent heat dissipation and interference of external temperature, the fire-resistant furnace body 1 is wrapped with an insulating layer 5.
In this embodiment, the refractory furnace body 1 is cylindrical or polygonal cylindrical (preferably five or more sides), so that no temperature dead angle in the furnace can be avoided, and the molten liquid is not easy to crystallize; meanwhile, the heating area can be concentrated, and the heat utilization rate is improved.
In the scheme, the vertical electric heating devices 2 are arranged at the upper part, the middle part and the lower part, so that the liquid level height is not limited by the design of the furnace body, the raw materials can enter the rear surface from the upper part and keep a low-temperature non-melting state to cover the liquid level of the molten liquid, and the surface can be adjusted to be a full-melting state; namely, the height of the liquid level of the molten liquid is high and adjustable, thus being beneficial to adapting to wire drawing operation of various raw materials.
Claims (6)
1. The basalt fiber vertical heating furnace is characterized in that:
comprises a refractory furnace body (1), wherein the refractory furnace body (1) is vertically arranged, the upper part of the refractory furnace body is provided with a raw material inlet, and the lower part of the refractory furnace body is provided with a wire drawing bushing plate (3);
the upper part, the middle part and the lower part of the refractory furnace body (1) are provided with electric heating devices (2).
2. The basalt fiber vertical heating furnace according to claim 1, wherein: a feeder (7) is arranged at the upper part of the refractory furnace body (1);
in the refractory furnace body (1), the upper part of the refractory furnace body is provided with an added basalt raw material layer (6), the lower part of the refractory furnace body is provided with a basalt molten liquid layer (4), and the basalt molten liquid layer (4) is discharged from the wire drawing bushing (3).
3. The basalt fiber vertical heating furnace according to claim 2, wherein: the refractory furnace body (1) is cylindrical or polygonal vertical cylindrical;
the outlet of the feeder (7) is positioned right above the refractory furnace body (1);
the wire drawing bushing plate (3) is arranged at the bottom of the refractory furnace body (1).
4. The basalt fiber vertical heating furnace according to claim 3, wherein: the fire-resistant furnace body (1) is wrapped with a heat-insulating layer (5).
5. The basalt fiber vertical heating furnace according to claim 4, wherein: the electric heating device (2) is a heating coil.
6. The basalt fiber vertical heating furnace according to claim 4 or 5, wherein: more than two temperature sensors are arranged on the inner side of the refractory furnace body (1), and the temperature sensors are electrically connected with a control panel of the electric heating device (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023169810.XU CN215365450U (en) | 2020-12-25 | 2020-12-25 | Basalt fiber vertical heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023169810.XU CN215365450U (en) | 2020-12-25 | 2020-12-25 | Basalt fiber vertical heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215365450U true CN215365450U (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023169810.XU Active CN215365450U (en) | 2020-12-25 | 2020-12-25 | Basalt fiber vertical heating furnace |
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| CN (1) | CN215365450U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114315102A (en) * | 2022-01-11 | 2022-04-12 | 四川航天拓鑫玄武岩实业有限公司 | Device and method for adjusting viscosity of basalt melt |
-
2020
- 2020-12-25 CN CN202023169810.XU patent/CN215365450U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114315102A (en) * | 2022-01-11 | 2022-04-12 | 四川航天拓鑫玄武岩实业有限公司 | Device and method for adjusting viscosity of basalt melt |
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