CN210663880U - Ceramic fiber resistance furnace - Google Patents
Ceramic fiber resistance furnace Download PDFInfo
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- CN210663880U CN210663880U CN201921802736.5U CN201921802736U CN210663880U CN 210663880 U CN210663880 U CN 210663880U CN 201921802736 U CN201921802736 U CN 201921802736U CN 210663880 U CN210663880 U CN 210663880U
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Abstract
The utility model discloses a ceramic fiber resistance furnace, which comprises a furnace body provided with a plurality of electrode bars; the transformer is arranged in a runner body of the furnace body, is connected with all the electrode rods and is used for forming a conductive loop with all the electrode rods through the molten raw materials in the furnace body, and is connected with the conductive body and used for changing the current of the conductive loop so as to adjust the amount of the molten liquid in the runner body. Compared with the prior art, the ceramic fiber resistance furnace does not adjust the melt flow at the flow opening body by adjusting the actual caliber of the flow opening body, but adjusts the melt amount generated by all electrode rods by adjusting the current in the electric conductor and the electric conduction loop where the electric conductor is located by the transformer, thereby changing the melt flow at the flow opening body. The current of this ceramic fiber resistance furnace is convenient to be adjusted, and the position of electric conductor for the runner body keeps fixed, can not have the risk that the melt was revealed.
Description
Technical Field
The utility model relates to an industrial furnace field especially relates to a ceramic fiber resistance furnace.
Background
The ceramic fiber resistance furnace is generally composed of furnace wall, furnace bottom, electrode rod, flow port body and stopper rod. The furnace wall and the furnace bottom form a furnace body of the resistance furnace and are used for containing molten raw materials; the bottom end of the electrode rod extends into the furnace body and is covered by the molten raw material; the fluid port body is positioned at the central position of the bottom of the furnace bottom, a through hole with small diameter is arranged on the fluid port body, and a stopper rod is arranged above the through hole. When the resistance furnace works, high voltage is applied to the electrode rod to enable the electrode rod to generate heat to melt the molten raw materials to form a molten pool; thus, the melt melted by the melting raw material can flow out along the small holes arranged on the runner body to form a 'runner'; the amount of the melt entering the inlet body can be changed by adjusting the upper and lower positions of the stopper rod, so that the purpose of controlling the size of the flow is achieved.
In the prior art, the stopper rod is adopted to control the size of the 'stream', namely the flow rate of the molten liquid flowing out of the flow port body, and the flow rate of the molten liquid flowing out of the flow port body is adjusted by adjusting the actual caliber of the flow port body. Because the raw materials around the flow opening body are not well melted and have poor fluidity, the stopper rod is easy to stick with the raw materials around, and the flow opening in the flow opening body and the stopper rod are easy to be taken out together when the position of the stopper rod is adjusted, so that molten liquid is leaked, and great potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a ceramic fiber resistance furnace can adjust the melt flow of the runner body and improve the mobile state of melt, and then avoids the melt to reveal.
In order to achieve the above object, the utility model provides a ceramic fiber resistance furnace, including the furnace body that is equipped with a plurality of electrode bar, still include:
the electric conductor is arranged in the spout body of the furnace body, is connected with all the electrode rods and is used for forming a conductive loop with all the electrode rods through the molten raw materials in the furnace body;
and the transformer is connected with the electric conductor and used for changing the current of the electric conduction loop so as to adjust the melt amount of the runner body.
Preferably, the electric conductor is a flat iron fixed in the spout body.
Preferably, the number of the electrode rods is three, and the three electrode rods are obliquely inserted into the furnace body so as to realize uniform radiation of the fluid port body around the center of the furnace body.
Preferably, the device further comprises a display device connected with the transformer and used for displaying the melt flow at the sprue body according to the current value of the conductive loop.
Preferably, the fuel injection device further comprises an oxidation preventing portion provided at the nozzle body to prevent oxidation of the molten raw material.
Preferably, the oxidation preventing part includes a nitrogen gas input port provided in the spout body for the inflow of nitrogen gas.
Preferably, the device further comprises a first water cooling channel which is arranged at the fluid port and used for reducing the temperature of the fluid port body so as to reduce the oxidation degree of the molten raw materials.
Preferably, the cooling water inlet and the cooling water outlet of the first water cooling channel are oppositely arranged at two sides of the bottom surface of the spout body.
Preferably, the furnace further comprises a second water cooling channel which is arranged in the furnace wall of the furnace body and is used for cooling water to flow so as to reduce the temperature of the furnace wall.
Preferably, the furnace further comprises a third water cooling channel which is arranged on the inner wall of the furnace bottom of the furnace body and used for cooling water to circulate so as to reduce the temperature of the furnace bottom.
Compared with the prior art, the utility model provides a ceramic fibre resistance furnace includes furnace body, electrode bar, set up in the mouth of a river of furnace body and with whole the electrode bar passes through the electric conductor that the melting raw materials switched on and the transformer that links to each other with the electric conductor. All electrode rods of the ceramic fiber resistance furnace are communicated with the electric conductor through the molten raw materials to form a conductive loop, wherein the electric conductor is also connected with a transformer, and the speed of the molten liquid flowing out through the flow opening body can be adjusted by changing the current in the conductive loop through the transformer.
Compared with the prior art, the ceramic fiber resistance furnace provided by the application adjusts the melt flow at the flow opening body not by adjusting the actual caliber of the flow opening body, but adjusts the heating state of the electrode rod by adjusting the current in the electric conductor and the electric conduction loop where the electric conductor is located through the transformer, further adjusts the amount of melt generated by all the electrode rods through the heating of the electrode rod, and finally controls the flow of the solution at the flow opening body by controlling the melt amount of all the electrode rods melted in unit time. For the ceramic fiber resistance furnace, the current in the conductive loop is convenient to adjust, and the position of the conductive body relative to the sprue body is kept fixed in the process, so that the risk of leakage of molten liquid is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a ceramic fiber resistance furnace according to an embodiment of the present invention;
FIG. 2 is a top view of FIG. 1;
01-melting raw materials, 11-fluid port body, 12-furnace wall, 13-furnace bottom, 2-electrode rod, 3-electric conductor, 4-nitrogen input port, 51-first cooling water inlet, 52-first cooling water outlet, 6-second water cooling channel, 7-third water cooling channel, 8-second cooling water inlet and 9-second cooling water outlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.
Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of a ceramic fiber resistance furnace according to an embodiment of the present invention; fig. 2 is a top view of fig. 1.
The utility model provides a ceramic fibre resistance furnace, including the furnace body that is equipped with a plurality of electrode bar 2, be equipped with electric conductor 3 in the runner body 11 of furnace body, electric conductor 3 switches on with whole electrode bar 2 through the melting raw materials 01 in the furnace body in order to form conductive loop, still includes the transformer that links to each other with electric conductor 3.
The ceramic fiber resistance furnace utilizes the transformer to adjust the circuit of the conductive loop, thereby changing the heating state of all the electrode rods 2, when the current passing through the conductive loop is large, all the electrode rods 2 generate much heat, the melted raw material 01 melted by the electrode rods 2 is more, and therefore the flow of the melt flowing out through the flow opening body 11 is small; on the other hand, when the current flowing through the conductive circuit is small, the heat generation of all the electrode rods 2 is small, the amount of the molten raw material 01 melted by the electrode rods 2 is small, and the flow rate of the melt flowing out through the nozzle body 11 is large.
Obviously, the ceramic fiber resistance furnace is suitable for the case that the melting raw material 01 is a conductive medium, and for the case that the melting raw material 01 is a non-conductive medium, the same effect can be achieved by respectively and directly connecting the two ends of the conductor 3 and all the electrode rods 2 only by slightly improving the above.
The ceramic fiber resistance furnace utilizes the electrode bar 2 as a resistance element to generate heat, and the current in the conductive loop is quickly and accurately adjusted through the adjusting transformer, so that the heating degree of the electrode bar 2 is changed, the melt quantity of the melting raw material 01 in the furnace body is changed, and the melt flow at the flow port body 11 is finally changed. The current of this ceramic fiber resistance furnace is convenient to be adjusted, and the position of electric conductor 3 for the runner body 11 keeps fixed, can not have the risk that the melt is revealed.
The ceramic fiber resistance furnace provided by the invention is further explained with reference to the attached drawings and the embodiment.
The conductor 3 is embodied as a flat iron. The flat iron can be welded in the flow opening body 11, the downward end of the flat iron is exposed out of the lower end surface of the flow opening body 11, and the upward end of the flat iron extends above the flow opening body 11 to be inserted into the molten raw material 01 in the furnace body. It can be seen that the length of the flat iron is greater than the length of the port body 11, while the width of the flat iron is no greater than the diameter of the port body 11.
The number of the electrode rods 2 of the ceramic fiber resistance furnace provided by the application is three; in order to uniformly melt the molten raw material 01 in the furnace body, the three electrode rods 2 are obliquely inserted into the furnace body, the bottom end of any one electrode rod 2 is arranged close to the flow port body 11, and the top end of the electrode rod 2 is close to the edge of the upper end of the furnace body, in other words, the three electrode rods 2 obliquely inserted into the furnace body are uniformly radiated upwards and outwards by taking the flow port body 11 at the center of the furnace body as the center, and the included angle between any two adjacent electrode rods 2 is 120 degrees.
In order to ensure that the molten raw material 01 around the electrode rod 2 flows out smoothly along the nozzle body 11 after being melted, in the present embodiment, the tips of the three electrode rods 2 are all positioned directly above the nozzle body 11, and the molten raw material 01 melted by any one of the electrode rods 2 flows toward the center of the furnace bottom 13 along the rod body of the electrode rod 2. Wherein, the length of the electrode rod 2 is not less than the length of the center of the furnace bottom 13 from the edge of the top surface of the furnace body.
On the basis of any of the above embodiments, the ceramic fiber resistance furnace further comprises a display device connected with the transformer for displaying the flow rate of the melt at the nozzle body 11 according to the current value of the conductive loop. The display device is connected with the transformer and can be arranged at a place far away from the furnace body or be handheld, and the display device is used for displaying the melt flow at the spout body 11 corresponding to each voltage interval when the transformer is adjusted in an intuitive mode. The display device can be set as digital display equipment or gear display equipment, wherein the former is a flow value corresponding to each voltage gathered under multiple times of debugging, and the latter is a different flow interval corresponding to each voltage in the working state of the ceramic fiber resistance furnace. For the specific arrangement form of the display device, reference can be made to the related display apparatus in the prior art,
because the temperature of the spout body 11 and the contact area with the outside are larger than, in order to prevent the spout from being oxidized, in another embodiment of the present invention, the ceramic fiber resistance furnace further includes an oxidation preventing portion disposed at the spout body 11. The anti-oxidation part can perform anti-oxidation treatment on the spout in an inert gas protection mode.
The common nitrogen protection that is, it is concrete, the utility model provides a ceramic fibre resistance furnace locates the nitrogen gas input port 4 in the mouth of a river body 11, and nitrogen gas is in the mouth of a river body 11 from nitrogen gas input port 4 incursion, can reduce the oxygen content of the mouth of a river body 11 department by a wide margin, reduces or even avoids the oxidation of the mouth of a river body 11. The nitrogen gas inlet 4 is provided on the bottom surface of the fluid body 11 and adjacent to the conductive body 3, and since the bottom surface of the fluid body 11 is open, nitrogen gas is supplied from the nitrogen gas inlet 4 to the fluid body 11 and then flows out along the bottom surface of the fluid body 11 to form a unidirectional circulation at the fluid body 11.
Besides arranging the nitrogen input port 4 at the fluid port 11 to realize the anti-oxidation protection of the gas, a first water cooling channel is also arranged at the fluid port 11 and arranged along the wall body of the fluid port 11 to properly reduce the temperature of the fluid port 11; the first cooling water inlet 51 and the first cooling water outlet 52 of the first water-cooling passage are respectively provided on both sides of the bottom surface of the outlet body 11. Here, the two sides of the bottom surface specifically refer to both ends of the bottom surface in any radial direction.
Furthermore, the furnace body also comprises a second water cooling channel 6 arranged in a furnace wall 12 of the furnace body, the second water cooling channel 6 is arranged in the furnace wall 12 arranged in the longitudinal direction of the furnace body, taking the furnace body as a cylinder as an example, the second water cooling channel 6 is in a circular ring shape, and obviously, the thickness of the second water cooling channel 6 is smaller than that of the furnace wall 12.
The second cooling water inlet 8 and the second cooling water outlet 9 of the second water-cooling channel 6 are arranged on the outer side of the furnace wall 12, and since the volume of the second water-cooling channel 6 is large, the number of the second cooling water inlet 8 and the number of the second cooling water outlet 9 can be set to be multiple in order to accelerate the circulation speed of the second water-cooling channel 6. In order to facilitate the introduction of cold water into all the second cooling water inlets 8 and the discharge of the cold water from all the second cooling water outlets 9, all the second cooling water inlets and all the cooling water outlets are uniformly distributed on the same bus of the furnace wall 12.
Similar with it, the utility model provides a ceramic fibre resistance furnace is still including setting up in the third water-cooling channel 7 of the 13 inner walls of stove bottom of furnace body, lets in the temperature of cooling water in order to reduce stove bottom 13 to stove bottom 13 through third water-cooling channel 7. For a specific arrangement form of the third water-cooling channel 7, the second water-cooling channel 6 can be referred to, and details are not repeated here.
The ceramic fiber resistance furnace provided by the utility model is described in detail above. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. The utility model provides a ceramic fibre resistance furnace, is including the furnace body that is equipped with a plurality of electrode bar (2), its characterized in that still includes:
a conductor (3) which is arranged in a runner body (11) of the furnace body, is connected with all the electrode rods (2) and is used for forming a conductive loop with all the electrode rods (2) through molten raw materials (01) in the furnace body;
and the transformer is connected with the electric conductor (3) and used for changing the current of the electric conduction loop so as to adjust the melt flow of the sprue body (11).
2. Ceramic fibre resistance furnace according to claim 1, characterized in that the electrical conductor (3) is embodied as a flat iron fixed in the mouth body (11).
3. Ceramic fibre resistance furnace according to claim 2, characterized in that the number of electrode rods (2) is three, three of said electrode rods (2) being inserted obliquely into the furnace body to achieve a uniform irradiation of the flow opening body (11) around the center of the furnace body.
4. A ceramic fibre resistance furnace according to any of claims 1 to 3, characterized by further comprising display means connected to the transformer for displaying the melt flow at the nozzle body (11) according to the current value of the conductive loop.
5. A ceramic fiber resistance furnace according to any one of claims 1 to 3, further comprising an oxidation preventing portion provided at the flow port body (11) for preventing oxidation of the molten raw material (01).
6. A ceramic fibre resistance furnace according to claim 5, characterized in that the oxidation prevention means comprises a nitrogen inlet (4) arranged in the port body (11) for the inflow of nitrogen.
7. The ceramic fiber resistance furnace according to claim 6, further comprising a first water cooling channel disposed at the flow port body (11) for reducing the temperature of the flow port body (11) to reduce the oxidation degree of the molten raw material (01).
8. The ceramic fiber resistance furnace according to claim 7, wherein the cooling water inlet (51) and the cooling water outlet (52) of the first water cooling channel are oppositely arranged at two sides of the bottom surface of the runner body (11).
9. The ceramic fiber resistance furnace according to claim 7, further comprising a second water cooling channel (6) provided in the furnace wall (12) of the furnace body for circulating cooling water to lower the temperature of the furnace wall (12).
10. The ceramic fiber resistance furnace according to claim 9, further comprising a third water cooling channel (7) provided on an inner wall of the furnace bottom (13) of the furnace body for circulating cooling water to lower the temperature of the furnace bottom (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921802736.5U CN210663880U (en) | 2019-10-24 | 2019-10-24 | Ceramic fiber resistance furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921802736.5U CN210663880U (en) | 2019-10-24 | 2019-10-24 | Ceramic fiber resistance furnace |
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| CN210663880U true CN210663880U (en) | 2020-06-02 |
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| CN201921802736.5U Active CN210663880U (en) | 2019-10-24 | 2019-10-24 | Ceramic fiber resistance furnace |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111721116A (en) * | 2020-06-09 | 2020-09-29 | 江苏振栋精密材料科技有限公司 | Melting furnace switch with heater |
| CN114956514A (en) * | 2022-06-14 | 2022-08-30 | 山东红阳高温节能材料股份有限公司 | Ceramic fiber resistance furnace control system, method, equipment and storage medium |
-
2019
- 2019-10-24 CN CN201921802736.5U patent/CN210663880U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111721116A (en) * | 2020-06-09 | 2020-09-29 | 江苏振栋精密材料科技有限公司 | Melting furnace switch with heater |
| CN114956514A (en) * | 2022-06-14 | 2022-08-30 | 山东红阳高温节能材料股份有限公司 | Ceramic fiber resistance furnace control system, method, equipment and storage medium |
| CN114956514B (en) * | 2022-06-14 | 2024-02-02 | 山东红阳高温节能材料股份有限公司 | Ceramic fiber resistance melting furnace control system, method, equipment and storage medium |
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