CN216011731U - Multilayer expansion electric furnace for vitrified micro bubbles - Google Patents
Multilayer expansion electric furnace for vitrified micro bubbles Download PDFInfo
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- CN216011731U CN216011731U CN202122174445.XU CN202122174445U CN216011731U CN 216011731 U CN216011731 U CN 216011731U CN 202122174445 U CN202122174445 U CN 202122174445U CN 216011731 U CN216011731 U CN 216011731U
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- electric furnace
- furnace body
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- fan
- heat preservation
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Abstract
The utility model relates to the technical field of heating equipment, in particular to a multilayer expansion electric furnace for vitrified micro bubbles; the technical scheme is as follows: the expansion furnace comprises a plurality of layers of expansion units and a hearth, wherein the plurality of layers of expansion units are overlapped and assembled together to form an expansion electric furnace body, the hearth penetrates through the expansion electric furnace body, and each expansion unit comprises a furnace body shell and a heat preservation heating layer arranged inside the furnace body shell; the heat preservation zone of heating sets up between furnace body shell and furnace, and the heat preservation zone of heating includes circumference heat preservation, fan-shaped heat preservation and heat supply subassembly, and the circumference heat preservation sets up in the first half of expansion electric furnace body, and fan-shaped heat preservation sets up in the lower half of expansion electric furnace body, and fan-shaped heat preservation comprises a plurality of fan-shaped modules, and a plurality of fan-shaped modules are evenly arranged in furnace body shell, leave the space between two adjacent fan-shaped modules.
Description
Technical Field
The utility model relates to a firing equipment technical field, concretely relates to multilayer expansion electric stove for vitrified micro bubble.
Background
The expanded perlite used in industry and construction industry is an acidic glass soluble rock mineral as a raw material, and is a novel inorganic light heat-insulating material with high performance. The perlite raw material can become a light and multifunctional novel material after being expanded, has the characteristics of light apparent density, low heat conductivity coefficient, good chemical stability and the like, and is widely applied to various industrial departments. The prior perlite processing technology is mainly characterized in that a perlite raw material is preheated by a preheating furnace, then enters an expansion furnace for heating and expanding, is subjected to expansion treatment, and finally passes through a cooling device and a cyclone separator to collect a finished product; the expansion treatment is to rapidly expand the preheated ore particles in a pre-expanded state at a high temperature to a volume of 10 to 20 times or more of the original volume.
The existing expansion furnaces are divided into: the expansion electric furnace converts electric energy in the furnace into heat, namely an electric heating pipe is directly used as a heating body, the noise is low, the construction condition is not limited, but the temperature rise, the heat preservation and the highest temperature of the expansion electric furnace are lower than those of the gas furnace, and the most easily-caused problem is that an electric furnace wire is damaged, so that the whole electric furnace is flaccid.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes the defects of the prior art and provides a multilayer expansion electric furnace for vitrified micro bubbles.
In order to solve the technical problem, the utility model discloses a technical scheme be: a multilayer expansion electric furnace for vitrified micro bubbles comprises a plurality of layers of expansion units and a hearth, wherein the plurality of layers of expansion units are overlapped and assembled together to form an expansion electric furnace body;
the heat preservation zone of heating sets up between furnace body shell and furnace, the heat preservation zone of heating includes circumference heat preservation, fan-shaped heat preservation and heat supply subassembly, the circumference heat preservation sets up in the first half of expansion electric furnace body, fan-shaped heat preservation sets up in the lower half of expansion electric furnace body, fan-shaped heat preservation comprises a plurality of fan-shaped module, and is a plurality of fan-shaped module is evenly arranged in furnace body shell, leaves the space between two adjacent fan-shaped module.
The heat supply assembly comprises an electric furnace wire and a silicon carbide rod, and the electric furnace wire and the silicon carbide rod are in one-to-one correspondence with the circumferential heat-insulating layer and the fan-shaped heat-insulating layer respectively.
The upper end and the lower end of the circumferential heat-insulating layer and the fan-shaped heat-insulating layer are respectively provided with a high-alumina brick, and the high-alumina bricks are used for preventing heat from flowing outwards.
The top of expansion electric furnace body is provided with the toper distributing device, the bottom of expansion electric furnace body is provided with the discharge gate that links to each other with the ejection of compact pipe.
And the upper end and the lower end of the furnace body shell are both provided with flanges, and two adjacent expansion units are connected together through the flanges.
And the upper end of the expansion electric furnace body is provided with a heating element and a thermocouple mounting hole.
The furnace body shell is made of high-temperature resistant ceramic fiber boards.
Compared with the prior art, the utility model beneficial effect who has is:
1. the utility model discloses a with the assembly of a plurality of layers of inflation unit stack, make heat preservation zone of heating and heat supply subassembly divide into a plurality of independent units, can not lead to whole damage, arouse the paralysis of whole electric stove to follow-up can be directly demolish the unit that damages, reduced fault rate, energy loss and human cost.
2. When generally using, the first half temperature of expansion electric furnace body is on the low side, its latter half temperature is on the high side, therefore the utility model discloses an use holistic circumference shape heat preservation at the first half of expansion electric furnace body, all set up the high alumina brick at the upper and lower both ends of circumference shape heat preservation, prevent the thermal outflow in the stove, remain the temperature of first half, use fan-shaped heat preservation at the latter half of expansion electric furnace body simultaneously, its fan-shaped heat preservation comprises a plurality of fan-shaped modules, and leave the space between two adjacent fan-shaped modules, on the one hand the supplementary furnace that satisfies is at the intensification in-process, the needs of latter half (high-temperature area) thermal energy, use silicon carbon rod and fan-shaped heat preservation one-to-one simultaneously, overcome the easy problem of ring of high temperature area electric stove silk.
3. The utility model discloses a high-alumina brick, because of its characteristic, guarantee the high temperature contactless in ring flange and the stove, do not influence the connection problem of two adjacent expansion unit.
Drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the fan-shaped insulating layer of the present invention;
FIG. 3 is a schematic structural view of the circumferential insulating layer of the present invention;
fig. 4 is an enlarged schematic view of fig. 1A according to the present invention.
In the figure: 1 is the expansion unit, 11 is the furnace body shell, 2 is furnace, 3 is the expansion electric furnace body, 4 is the circumference heat preservation, 5 is fan-shaped heat preservation, 51 is fan-shaped module, 52 is the space, 6 is the electric stove silk, 7 is the elema, 8 is high-alumina brick, 9 is the toper distributing device, 10 is ejection of compact pipe, 12 is the discharge gate, 13 is the ring flange.
Detailed Description
As shown in the figure, the multilayer expansion electric furnace for vitrified micro bubbles comprises five layers of expansion units 1 and a hearth 2, wherein the five layers of expansion units 1 are overlapped and assembled together to form an expansion electric furnace body 3, the hearth 2 penetrates through the expansion electric furnace body 3, and the expansion unit 1 comprises a furnace body shell 11 and a heat preservation heating layer arranged inside the furnace body shell 11; the utility model discloses a structure of stack assembly, if the individual layer break down the damage only need hang from this layer can, do not need whole maintenance to hanging from damaging the layer after, can heat up immediately, reduced a large amount of energy losses.
The heat-preservation heating layer is arranged between the furnace body shell 11 and the hearth 2 and comprises a circumferential heat-preservation layer 4, a fan-shaped heat-preservation layer 5 and a heat supply assembly, the circumferential heat-preservation layer 4 is arranged on the upper layer of the expansion electric furnace body 3, the fan-shaped heat-preservation layer 5 is arranged on the lower layer of the expansion electric furnace body 3 (can be specifically adjusted according to actual conditions on site), the fan-shaped heat-preservation layer 5 consists of six fan-shaped modules 51, the six fan-shaped modules 51 are uniformly distributed in the furnace body shell 11, and a gap 52 is reserved between every two adjacent fan-shaped modules 51; the first half temperature of inflation electric furnace body is on the low side, its latter half temperature is on the high side, adopt and use the circumference heat preservation in first half, both ends all set up the high alumina brick in the upper and lower both ends of circumference heat preservation, prevent the thermal outflow in the stove, keep the temperature of first half, use fan-shaped heat preservation in the latter half simultaneously, its fan-shaped heat preservation comprises a plurality of fan-shaped modules, and leave the space between two adjacent fan-shaped modules, on the one hand supplementary furnace that satisfies is warming up the in-process, the needs of the latter half (high-temperature area) thermal energy, overcome the problem that the high temperature zone electric stove silk easily damaged the ring.
Preferably, the heat supply assembly comprises electric furnace wires 6 and silicon carbide rods 7, the electric furnace wires 6 and the silicon carbide rods 7 are respectively in one-to-one correspondence with the circumferential heat-insulating layer 4 and the fan-shaped heat-insulating layer 5, and the electric furnace wires 6 and the circumferential heat-insulating layer 4 are matched with each other for use; the carbon silicon rod 7 and the fan-shaped heat-insulating layer 5 are matched with each other.
Preferably, the upper and lower both ends of circumference shape heat preservation 4 and fan-shaped heat preservation 5 respectively are provided with a high-alumina brick 8, high-alumina brick 8 is used for preventing the heat outflow, and two high-alumina bricks are a set of, the utility model discloses a 10 high-alumina bricks of group prevent that the heat source runs off, guarantee that the inside heat of expansion furnace body can't outwards transmit.
Preferably, a conical distributor 9 is arranged at the top end of the expansion electric furnace body 3, and a discharge hole 12 connected with a discharge conduit 10 is arranged at the bottom end of the expansion electric furnace body 3.
Preferably, the upper end and the lower end of the furnace body shell 11 are both provided with flanges 13, and two adjacent expansion units 1 are connected together through the flanges 13.
Preferably, the upper end of the expansion electric furnace body 3 is provided with a heating element and a thermocouple mounting hole.
Preferably, the furnace body shell 11 is made of high-temperature resistant ceramic fiber board.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. It will be apparent to those skilled in the art that modifications and improvements can be made to the above-described embodiments without departing from the spirit and scope of the invention. Accordingly, it will be appreciated that those skilled in the art, upon attaining an understanding of the foregoing may readily produce alterations to, variations of, and equivalents to these embodiments without departing from the spirit and scope of the present invention as defined by the appended claims.
Claims (7)
1. The multilayer expansion electric furnace for vitrified micro bubbles is characterized by comprising a plurality of layers of expansion units (1) and a hearth (2), wherein the plurality of layers of expansion units (1) are overlapped and assembled together to form an expansion electric furnace body (3), the hearth (2) penetrates through the expansion electric furnace body (3), and the expansion units (1) comprise a furnace body shell (11) and a heat preservation heating layer arranged inside the furnace body shell (11);
the heat preservation zone of heating sets up between furnace body shell (11) and furnace (2), the heat preservation zone of heating includes circumference shape heat preservation (4), fan-shaped heat preservation (5) and heat supply subassembly, circumference shape heat preservation (4) set up in the first half of expansion electric furnace body (3), fan-shaped heat preservation (5) set up in the lower half of expansion electric furnace body (3), fan-shaped heat preservation (5) comprise a plurality of fan-shaped module (51), and are a plurality of fan-shaped module (51) are evenly arranged in furnace body shell (11), leave space (52) between two adjacent fan-shaped module (51).
2. The multi-layer expansion electric furnace for vitrified micro bubbles according to claim 1, characterized in that the heat supply assembly comprises electric furnace wires (6) and silicon carbide rods (7), and the electric furnace wires (6) and the silicon carbide rods (7) correspond to the circumferential insulating layer (4) and the fan-shaped insulating layer (5) one by one, respectively.
3. The multi-layered expansion electric furnace for vitrified small balls according to claim 2, characterized in that the upper and lower ends of the circumferential insulation layer (4) and the fan-shaped insulation layer (5) are provided with one high alumina brick (8) respectively, and the high alumina bricks (8) are used for preventing heat from flowing out.
4. The multi-layered expansion electric furnace for vitrified micro bubbles according to any one of claims 1 to 3, characterized in that the top end of the expansion electric furnace body (3) is provided with a conical distributor (9) and the bottom end of the expansion electric furnace body (3) is provided with a discharge port (12) connected with a discharge conduit (10).
5. The multi-layer expansion electric furnace for vitrified micro bubbles according to claim 4, characterized in that the upper and lower ends of the furnace body housing (11) are provided with flanges (13), and two adjacent expansion units (1) are connected together by the flanges (13).
6. A multi-layered expansion electric furnace for vitrified small balls according to claim 5, characterized in that the upper end of the expansion electric furnace body (3) is provided with a heating element and a thermocouple mounting hole.
7. The multi-layer expansion electric furnace for vitrified micro bubbles according to claim 4 or 5, characterized in that the furnace body outer shell (11) is made of high temperature resistant ceramic fiber board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122174445.XU CN216011731U (en) | 2021-09-09 | 2021-09-09 | Multilayer expansion electric furnace for vitrified micro bubbles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122174445.XU CN216011731U (en) | 2021-09-09 | 2021-09-09 | Multilayer expansion electric furnace for vitrified micro bubbles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216011731U true CN216011731U (en) | 2022-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122174445.XU Active CN216011731U (en) | 2021-09-09 | 2021-09-09 | Multilayer expansion electric furnace for vitrified micro bubbles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216011731U (en) |
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2021
- 2021-09-09 CN CN202122174445.XU patent/CN216011731U/en active Active
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