CN209873052U - High-temperature-resistant reduction furnace - Google Patents
High-temperature-resistant reduction furnace Download PDFInfo
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- CN209873052U CN209873052U CN201920144788.1U CN201920144788U CN209873052U CN 209873052 U CN209873052 U CN 209873052U CN 201920144788 U CN201920144788 U CN 201920144788U CN 209873052 U CN209873052 U CN 209873052U
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Abstract
The utility model discloses a high temperature resistant reduction furnace, which comprises a furnace body with an inner cavity, heat-resistant fiber cotton, a plurality of heating resistance wires, a plurality of high temperature ceramic tubes and a plurality of reducing gas input ports which are vertically penetrated through one side of the furnace body, a feed inlet and an exhaust port are arranged above the furnace body, a discharge port is arranged below the furnace body, the furnace body comprises an outer furnace wall, an inner furnace wall and a hollow interlayer, the heat-resistant fiber cotton is filled in the hollow interlayer, the heating resistance wires are horizontally arranged in the furnace body through the high temperature ceramic tubes, the reducing gas is vertically penetrated through the other side surface of the furnace body, one end of the reducing gas input port is connected with a gas storage tank containing the reducing gas through a pipeline, the utility model has good heat insulation effect, the heat in the furnace body is not easy to be lost, the heat insulation, the utilization rate of heat is ensured to the maximum extent, and the cost is reduced.
Description
Technical Field
The utility model relates to a metal smelting technical field, concretely relates to high temperature resistant reduction furnace
Background
The existing metal reduction furnace has the defects of low refining quality, incomplete reduction of a lot of metals, or long reaction time, peroxide in metal products, and the problem of structure and safety of the reduction furnace in the metal reaction process. In a smelting furnace, serious problems of metal and alloy thereof often occur, such as serious oxidation, more serious safety problems of furnace body explosion, leakage and the like occur, and the reduction furnace is easy to generate physical and chemical changes when working in a high-temperature environment for a long time.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high temperature resistant reduction furnace solves the not thorough, the heat of reduction furnace reduction fast, the inhomogeneous problem of inside temperature.
In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a high temperature resistant reduction furnace, including the furnace body that has the inner chamber, heat-resisting fiber cotton, a plurality of heating resistor silk, run through perpendicularly in a plurality of high temperature ceramic pipe, a plurality of reducing gas input port of furnace body one side, the furnace body top is provided with feed inlet and gas vent, the furnace body below is provided with the discharge gate, the furnace body includes outer oven, interior oven, cavity intermediate layer, the cavity intermediate layer is filled has heat-resisting fiber cotton, heating resistor silk pass through high temperature ceramic pipe horizontal installation in inside the furnace body, reducing gas input port run through perpendicularly in furnace body another side, reducing gas input port one end passes through the gas holder that the pipe connection contains reducing gas. The reduction furnace is provided with the hollow interlayer, so that the heat insulation and heat preservation effects are better, the heating resistance wire enables the interior of the reduction furnace to be uniformly heated, and the heating speed is high.
The further technical scheme is as follows: the high-temperature-resistant heat-insulating plate is arranged on the inner surface of the outer furnace wall and the outer surface of the inner furnace wall, the high-temperature-resistant heat-insulating plate is of a double-layer structure, a vacuum plate is arranged in the high-temperature-resistant heat-insulating plate, and asbestos is filled between the vacuum plate and the high-temperature-resistant heat-insulating plate. The high-temperature-resistant heat-insulating plate can reduce heat loss in the reduction furnace, and the outer furnace wall reduces heat radiation to the outside, so that the heat utilization rate of the reduction furnace is improved.
The further technical scheme is as follows: the inner furnace wall inner surface is provided with a heat radiation reflecting layer which comprises a honeycomb type refractory material and a high-temperature paint coating, the honeycomb type refractory material is fixed on the inner furnace wall, and the high-temperature paint coating is uniformly sprayed on the surface of the honeycomb type refractory material. The heat radiation reflecting layer is far away through heat radiation reflection, so that the heat distribution in the reduction furnace is more uniform, the transfer of heat to the reduction furnace wall is reduced, and the heat loss is reduced.
The further technical scheme is as follows: the reducing furnace is provided with a temperature regulation and control system, the temperature regulation and control system includes temperature sensor, time-recorder, prompting device, controller, the vertical direction equidistance of furnace body is provided with the horizontally temperature sensor of a plurality of, temperature sensor has connected gradually time-recorder, prompting device, controller, after the furnace body temperature reached preset range, the time-recorder was timed, the time-recorder reaches the time after certain time start simultaneously the prompting device with the controller, the controller other end is connected with the heating resistor silk. The temperature regulating and controlling system can monitor the temperature in the reduction furnace in real time, and can regulate the heat required by production through the controller.
The further technical scheme is as follows: the feed inlet is provided with feed valve, the discharge gate is provided with discharge valve, feed valve with discharge valve all adopts high temperature seal valve, high temperature seal valve with the feed inlet with the sealed mode of discharge gate adopts high temperature resistant sealing washer to seal. The high-temperature sealing valves arranged at the feed inlet and the discharge outlet of the reduction furnace can adjust the feeding and discharging speed and capacity and ensure the sealing performance of the reduction furnace.
The further technical scheme is as follows: the high temperature ceramic pipe entrance sets up the insulating rubber buffer that has the centre bore, the heating resistor silk top layer is provided with high temperature resistant insulating coating, the heating resistor silk is the annular arrange in inside the furnace body. The high-temperature-resistant insulating coating arranged on the heating resistance wire plays roles of insulation and heat insulation, prevents the heating resistance wire from short circuit, and prolongs the service life of the heating resistance wire.
The further technical scheme is as follows: the head of the reducing gas inlet is provided with a high-temperature-resistant spherical nozzle, the middle of the reducing gas inlet is provided with a high-temperature-resistant alloy pipe, one end of the high-temperature-resistant alloy pipe is in threaded connection with the high-temperature-resistant spherical nozzle, the other end of the high-temperature-resistant alloy pipe is connected with the gas storage tank through a rubber hose, and the high-temperature-resistant alloy pipe and the reducing gas inlet are filled and sealed through heat insulation cotton. The high-temperature-resistant spherical nozzle can enable the reducing gas to contact materials in a large area, so that the reaction speed is increased, the reaction effect is improved, and the production efficiency is improved.
The utility model discloses can also: the gas vent is provided with exhaust treatment device, exhaust treatment device is including the oxidation chamber, pocket type clean room, the acid-base neutralization chamber that connect gradually, exhaust treatment device's inlet end with the gas vent passes through the exhaust valve and connects, exhaust treatment device's exit is connected with activated carbon adsorption device. The waste gas treatment device effectively removes waste gas and dust, and achieves the effects of purifying air and cleaning production.
Compared with the prior art, the utility model discloses can reach one of following beneficial effect at least:
1. the utility model provides a high temperature resistant reducing furnace, the furnace body of the reducing furnace is provided with a hollow interlayer with heat-resistant fiber cotton and a heat insulation board, the heat insulation effect is good, the heat in the furnace body is not easy to run off, the heat insulation effect is good,
2. the heat radiation reflecting layer can reflect the scattered heat, so that the temperature inside the furnace body is constant and uniform, the utilization rate of the heat is ensured to the maximum extent, and the cost is reduced.
3. The spherical reducing gas nozzle can enable the reducing gas to act on the surface of the reactant to the maximum extent, the reaction is more sufficient, and the reducing effect is good.
4. The exhaust port of the reduction furnace is provided with a waste gas treatment device, and waste gas can reach the emission standard after being treated by the device, so that the reduction furnace is clean and environment-friendly.
Drawings
Fig. 1 is a schematic structural section view of the present invention.
In the figure: 1. the furnace comprises an outer furnace wall, 2. an inner furnace wall, 3. heat-resistant fiber cotton, 4. a heating resistance wire, 5. a high-temperature ceramic tube, 6. a reducing gas inlet, 7. a feed inlet, 8. a feed valve, 9. an exhaust port, 10. an exhaust valve, 11. a discharge port and 12. a discharge valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Fig. 1 shows: the utility model provides a high temperature resistant reduction furnace, including the resistant furnace body that has the inner chamber, heat-resisting fiber cotton 3, a plurality of heating resistor silk 4, run through perpendicularly in a plurality of high temperature ceramic pipe 5, a plurality of reducing gas input port 6 of furnace body one side, the furnace body top is provided with feed inlet 7 and gas vent 9, the furnace body below is provided with discharge gate 11, the furnace body includes outer oven 1, interior oven 2, cavity intermediate layer is filled has heat-resisting fiber cotton 3, heating resistor silk 4 through 5 horizontal installation in inside the furnace body, reducing gas input port 6 run through perpendicularly in furnace body another side, 6 one end of reducing gas input port is through the gas holder that the pipe connection contains reducing gas.
Example (b): the inner surface of the outer furnace wall 1 and the outer surface of the inner furnace wall 2 are provided with high-temperature-resistant heat-insulating plates, the high-temperature-resistant heat-insulating plates are of a double-layer structure, vacuum plates are arranged in the high-temperature-resistant heat-insulating plates, and asbestos is filled between the vacuum plates and the high-temperature-resistant heat-insulating plates.
Example (b): the inner surface of the inner furnace wall 2 is provided with a thermal radiation reflecting layer which comprises a honeycomb type refractory material and a high-temperature paint coating, the honeycomb type refractory material is fixed on the inner furnace wall 2, and the high-temperature paint coating is uniformly sprayed on the surface of the honeycomb type refractory material.
Example (b): the reducing furnace is provided with a temperature regulation and control system, the temperature regulation and control system includes temperature sensor, time-recorder, prompting device, controller, the vertical direction equidistance of furnace body is provided with the horizontally temperature sensor of a plurality of, temperature sensor has connected gradually time-recorder, prompting device, controller, after the furnace body temperature reached preset range, the time-recorder was timed, the time-recorder reaches the time after certain time start simultaneously the prompting device with the controller, the controller other end is connected with heating resistor silk 4.
Example (b): the feed inlet 7 is provided with feed valve 8, discharge gate 11 is provided with discharge gate 12, feed valve 8 with discharge gate 12 all adopts high temperature seal valve, high temperature seal valve with the feed inlet 7 with the sealed mode of discharge gate 11 adopts high temperature resistant sealing washer to seal.
Example (b): 5 entrances of high temperature ceramic pipe set up the insulating rubber buffer that has the centre bore, 4 top layers of heating resistor wire are provided with high temperature resistant insulating coating, heating resistor wire 4 be the annular arrange in inside the furnace body.
Example (b): the head of the reducing gas input port 6 is provided with a high-temperature-resistant spherical nozzle, the middle of the reducing gas input port 6 is provided with a high-temperature-resistant alloy pipe, one end of the high-temperature-resistant alloy pipe is in threaded connection with the high-temperature-resistant spherical nozzle, the other end of the high-temperature-resistant alloy pipe is connected with the gas storage tank through a rubber hose, and the high-temperature-resistant alloy pipe and the reducing gas input port 6 are filled and sealed through heat insulation cotton.
The preferred embodiment: the gas vent 9 is provided with exhaust treatment device, exhaust treatment device is including the oxidation chamber, bag-type clean room, the acid-base neutralization chamber that connect gradually, exhaust treatment device's inlet end with the gas vent passes through exhaust valve 10 and connects, exhaust treatment device's exit is connected with activated carbon adsorption device.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts or arrangements, other uses will also be apparent to those skilled in the art.
Claims (8)
1. The utility model provides a high temperature resistant reduction furnace, includes furnace body, heat-resisting cellucotton (3), a plurality of heating resistor silk (4) that have the inner chamber, run through perpendicularly in a plurality of high temperature ceramic pipe (5), a plurality of reducing gas input port (6) of furnace body one side, its characterized in that: the furnace body top is provided with feed inlet (7) and gas vent (9), the furnace body below is provided with discharge gate (11), the furnace body includes outer oven (1), interior oven (2), cavity intermediate layer, the cavity intermediate layer is filled with heat-resisting fiber cotton (3), heating resistor silk (4) through high temperature ceramic pipe (5) horizontal installation in inside the furnace body, reducing gas input port (6) run through perpendicularly in the other side of furnace body, reducing gas input port (6) one end is through the gas holder that the pipe connection contains reducing gas.
2. A refractory reducing furnace according to claim 1, wherein: the high-temperature-resistant heat-insulating plate is characterized in that high-temperature-resistant heat-insulating plates are arranged on the inner surface of the outer furnace wall (1) and the outer surface of the inner furnace wall (2), the high-temperature-resistant heat-insulating plates are of a double-layer structure, vacuum plates are arranged in the high-temperature-resistant heat-insulating plates, and asbestos is filled between the vacuum plates and the high-temperature-resistant.
3. A refractory reducing furnace according to claim 1, wherein: the inner surface of the inner furnace wall (2) is provided with a thermal radiation reflecting layer which comprises a honeycomb type refractory material and a high-temperature paint coating, the honeycomb type refractory material is fixed on the inner furnace wall (2), and the high-temperature paint coating is uniformly sprayed on the surface of the honeycomb type refractory material.
4. A refractory reducing furnace according to claim 1, wherein: the reduction furnace is provided with a temperature regulation and control system, the temperature regulation and control system comprises a temperature sensor, a timer, a prompter and a controller, a plurality of horizontal temperature sensors are arranged in the furnace body in the vertical direction at equal intervals, the temperature sensors are sequentially connected with the timer, the prompter and the controller, the timer times when the temperature of the furnace body reaches a preset range, the prompter and the controller are started simultaneously after the timer reaches a certain time, and the other end of the controller is connected with a heating resistance wire (4).
5. A refractory reducing furnace according to claim 1, wherein: the feed inlet (7) is provided with feed valve (8), discharge gate (11) are provided with ejection of compact valve (12), feed valve (8) with ejection of compact valve (12) all adopt high temperature seal valve, high temperature seal valve with feed inlet (7) with the sealed mode of discharge gate (11) adopts high temperature resistant sealing washer sealed.
6. A refractory reducing furnace according to claim 1, wherein: high temperature ceramic pipe (5) entrance sets up the insulating rubber buffer that has the centre bore, heating resistor silk (4) top layer is provided with high temperature resistant insulating coating, heating resistor silk (4) be the annular arrange in inside the furnace body.
7. A refractory reducing furnace according to claim 1, wherein: the head of the reducing gas input port (6) is provided with a high-temperature-resistant spherical nozzle, the middle of the reducing gas input port (6) is provided with a high-temperature-resistant alloy pipe, one end of the high-temperature-resistant alloy pipe is in threaded connection with the high-temperature-resistant spherical nozzle, the other end of the high-temperature-resistant alloy pipe is connected with the gas storage tank through a rubber hose, and the high-temperature-resistant alloy pipe and the reducing gas input port (6) are filled and sealed through heat insulation cotton.
8. A refractory reducing furnace according to claim 1, wherein: exhaust port (9) are provided with exhaust treatment device, exhaust treatment device is including the oxidation chamber, bag-type clean room, the acid-base neutralization chamber that connect gradually, exhaust treatment device's inlet end with the exhaust port passes through exhaust valve (10) and connects, exhaust treatment device's exit is connected with activated carbon adsorption device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920144788.1U CN209873052U (en) | 2019-01-28 | 2019-01-28 | High-temperature-resistant reduction furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920144788.1U CN209873052U (en) | 2019-01-28 | 2019-01-28 | High-temperature-resistant reduction furnace |
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| Publication Number | Publication Date |
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| CN209873052U true CN209873052U (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920144788.1U Expired - Fee Related CN209873052U (en) | 2019-01-28 | 2019-01-28 | High-temperature-resistant reduction furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112304098A (en) * | 2020-10-31 | 2021-02-02 | 湖南省虹宇碳素新材料有限公司 | Sagger for roasting carbon products |
-
2019
- 2019-01-28 CN CN201920144788.1U patent/CN209873052U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112304098A (en) * | 2020-10-31 | 2021-02-02 | 湖南省虹宇碳素新材料有限公司 | Sagger for roasting carbon products |
| CN112304098B (en) * | 2020-10-31 | 2023-11-10 | 湖南省虹宇碳素新材料有限公司 | Sagger for roasting carbon products |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191231 Termination date: 20220128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |