CN220339091U - Silicon carbide sintering furnace with thermal cycle - Google Patents

Abstract

The utility model relates to the technical field of sintering furnaces, in particular to a silicon carbide sintering furnace with thermal circulation, which comprises a main body mechanism, wherein the main body mechanism comprises a fixed table, a fixed groove and a clamping groove are formed in the fixed table, cooling mechanisms are arranged on two sides of the fixed table, a firing mechanism is arranged at the clamping groove of the fixed table, a containing mechanism for containing firing materials is arranged on the fixed groove, the firing mechanism comprises a sintering furnace body fixedly connected to the clamping groove, the sintering furnace body is communicated with the fixed groove, a circular heat conducting plate is fixedly connected to the fixed groove, and a plurality of resistance heaters are arranged on the circular heat conducting plate. According to the utility model, the firing mechanism is arranged to enable the interior of the device to generate heat circulation, so that the utilization rate of internal heat is improved, the heat is led into the L-shaped heat conducting pipe through the heat outlet pipe from bottom to top, and the heat returns to the sintering furnace body through the heat conducting pipe, so that the heat loss is reduced.

Description

Silicon carbide sintering furnace with thermal cycle

Technical Field

The utility model relates to the technical field of sintering furnaces, in particular to a silicon carbide sintering furnace with thermal circulation.

Background

In the firing process of silicon carbide, because the sintering furnace in the prior art generally adopts fuel gas or electric power to heat the interior, because the fuel combustion process is through exhausting or cause a large amount of losses of heat in the device for fuel consumption is great, the current stage mostly adopts electric heating, the heat produced in the heating process makes the internal volume become large, thereby causes heat to pile up towards the top, so that the internal heat of the device is unevenly distributed, the firing rate of silicon carbide at the bottom is reduced, the electric heating time is prolonged, and the energy is excessively wasted.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the silicon carbide sintering furnace with the thermal cycle, which has the advantages of enabling the internal heat of the sintering furnace to be recycled, improving the utilization rate of internal heat, reducing heat loss and saving energy, and solves the problems that the heat of the sintering furnace is accumulated to the top in the firing process, so that the internal heat of the device is unevenly distributed, the firing rate of silicon carbide at the bottom is reduced, the electric heating time is prolonged, and the energy is excessively wasted.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model provides a carborundum fritting furnace with thermal cycle, includes main body mechanism, main body mechanism includes the fixed station, fixed slot and draw-in groove have been seted up on the fixed station, the both sides of fixed station all are provided with cooling body, be located draw-in groove department on the fixed station and be provided with firing mechanism, be provided with the hold mechanism that is used for placing the material of firing on the fixed slot, fire mechanism including the sintering furnace body of fixed connection on the draw-in groove, the sintering furnace body communicates with each other with the fixed slot, fixedly connected with circular heat-conducting plate on the fixed slot, install a plurality of resistance heaters on the circular heat-conducting plate, the top intercommunication of sintering furnace body has out the heat pipe, the both sides of out the heat pipe all communicate with each other and have L type heat-conducting pipe, the gas outlet has been seted up to the both sides bottom of fritting furnace, two the one end of L type heat pipe all communicates with each other with two gas outlets.

Preferably, the holding mechanism comprises a holding box movably connected in the fixing groove, the top of the holding box is provided with a fixing frame, and one side of the holding box is fixedly connected with a drawing box.

Preferably, the cooling mechanism comprises through grooves symmetrically formed in two sides of the fixed table, ventilation plates are fixedly connected in the through grooves, partition plates are fixedly connected on two sides of the fixed table, and air coolers are arranged on one side of each partition plate.

Preferably, the containing box is provided with a plurality of ventilation holes.

Preferably, a limiting frame is fixedly connected to one side of the fixing table, and a limiting block is rotatably connected to one side of the limiting frame.

Preferably, the shape and the size of the fixing groove are the same as those of the connection of the holding box and the drawing box, and the two through grooves are communicated with the fixing groove.

By means of the technical scheme, the utility model provides the silicon carbide sintering furnace with the thermal cycle, which has at least the following beneficial effects:

1. according to the utility model, the firing mechanism is arranged to enable the interior of the device to generate heat circulation, so that the utilization rate of internal heat is improved, the heat is led into the L-shaped heat conduction pipe through the heat outlet pipe from bottom to top, and the heat at the top is returned to the sintering furnace body through the heat conduction pipe, so that the heat loss is reduced, and the silicon carbide fired in the interior is convenient to take and place by connecting the holding box with the drawing box, so that the simplicity of the device is improved.

2. According to the utility model, the cooling mechanism is arranged, so that the silicon carbide fired in the sintering furnace body can be rapidly cooled after the firing is finished, the production rate of the silicon carbide is improved, the holding box is pulled by the pulling box, the positions of the pulling boxes are compared by the limiting blocks, the air cooler is used for cooling the silicon carbide in the holding box by the through grooves, and the cooling time of the silicon carbide is saved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application:

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic cross-sectional view of the firing mechanism of the present utility model;

FIG. 3 is a schematic view of a holding mechanism according to the present utility model;

fig. 4 is a schematic structural view of the cooling mechanism of the present utility model.

Reference numerals:

1. a main body mechanism; 101. a fixed table; 102. a limiting frame; 103. a limiting block; 104. a fixing groove; 105. a clamping groove; 2. a firing mechanism; 201. sintering furnace bodies; 202. a circular heat-conducting plate; 203. a resistance heater; 204. a heat pipe; 205. an L-shaped heat conduction pipe; 206. an air outlet; 3. a holding mechanism; 301. a storage case; 302. a vent hole; 303. a fixing frame; 304. drawing the box; 4. a cooling mechanism; 401. a through groove; 402. a partition plate; 403. an air cooler; 404. and a ventilation board.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

A silicon carbide sintering furnace with thermal cycling according to some embodiments of the present utility model is described below with reference to the accompanying drawings.

Embodiment one:

referring to fig. 1 and 2, a silicon carbide sintering furnace with thermal cycle, including main body mechanism 1, main body mechanism 1 includes fixed station 101, fixed slot 104 and draw-in groove 105 have been seted up on the fixed station 101, the both sides of fixed station 101 all are provided with cooling mechanism 4, be located draw-in groove 105 department on the fixed station 101 and fire mechanism 2, be provided with on the fixed station 104 and be used for placing the mechanism 3 that holds of firing the material, connect each mechanism through main body mechanism 1, support sintering furnace body 201, fire the silicon carbide through firing mechanism 2, make inside heat circulate, simply get the silicon carbide through holding mechanism 3 and put, make the silicon carbide be convenient for take around firing, cool off fast through cooling mechanism 4 to the silicon carbide after accomplishing firing, the production efficiency of silicon carbide has been improved.

The firing mechanism 2 comprises a sintering furnace body 201 fixedly connected to the clamping groove 105, the sintering furnace body 201 is communicated with the fixing groove 104, a circular heat conducting plate 202 is fixedly connected to the fixing groove 104, a plurality of resistance heaters 203 are installed on the circular heat conducting plate 202, the top of the sintering furnace body 201 is communicated with a heat outlet pipe 204, two sides of the heat outlet pipe 204 are communicated with L-shaped heat conducting pipes 205, air outlets 206 are formed in the bottoms of the two sides of the sintering furnace body 201, one ends of the two L-shaped heat conducting pipes 205 are communicated with the two air outlets 206, silicon carbide in the containing box 301 is fired through the sintering furnace body 201, internal heat is uniformly conducted through the circular heat conducting plate 202, the sintering furnace body 201 is heated through the resistance heaters 203, heat accumulated at the top is output through the heat outlet pipe 204, the heat is conducted to the bottom of the sintering furnace body 201 through the L-shaped heat conducting pipes 205, then the heat accumulated at the top is circularly transmitted to the bottom of the sintering furnace body 201, the silicon carbide is circularly heated, heat loss is reduced, and accordingly the utilization rate of internal heat is improved.

Embodiment two:

on the basis of the first embodiment, the technical scheme provided by the first embodiment is used for solving the problems that heat is accumulated to the top in the firing process of the sintering furnace, so that the heat distribution in the device is uneven, the firing rate of silicon carbide at the bottom is reduced, the electric heating time is prolonged, and energy is excessively wasted, and after the firing of the silicon carbide is completed, the cold non-rated rate of the silicon carbide is slower due to slower heat dissipation in the sintering furnace body 201, so that the production rate of the silicon carbide is affected.

As shown in fig. 1 and 4, the holding mechanism 3 includes a holding box 301 movably connected in the fixing groove 104, a fixing frame 303 is mounted at the top of the holding box 301, a drawing box 304 is fixedly connected to one side of the holding box 301, silicon carbide to be fired is placed through the holding box 301, the silicon carbide to be fired is fixed through the fixing frame 303, and the silicon carbide is placed or taken out to the sintering furnace 201 simply and conveniently through the drawing box 304, so that the time is saved in the process of taking out and placing the silicon carbide.

One side fixedly connected with spacing frame 102 of fixed station 101, one side rotation of spacing frame 102 is connected with stopper 103, the shape size of fixed slot 104 is the same with the shape size that holds box 301 and pull box 304 and be connected, two logical groove 401 are linked together with fixed slot 104, cooling body 4 includes the logical groove 401 of seting up of bilateral symmetry on the fixed station 101, all fixedly connected with ventilation board 404 in two logical grooves 401, the both sides fixedly connected with baffle 402 of fixed station 101, the air-cooler 403 is all installed to two opposite sides of baffle 402, hold and set up a plurality of ventilation holes 302 on the box 301, make through the pull box 304 and hold the box 301 and slide on spacing frame 102, through rotating stopper 103 to limit for carry out spacingly to pull box 304, make hold box 301 be located between two air-cooler 403, cool down the carborundum in the ventilation hole 302 through the baffle 402, fix air-cooler 403 through the baffle 404, make get into holding box 301, make carborundum can cool down fast, the production of carborundum has improved, the cooling rate of carborundum has saved.

It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a carborundum fritting furnace with thermal cycle, includes main body mechanism (1), main body mechanism (1) include fixed station (101), fixed slot (104) and draw-in groove (105) have been seted up on fixed station (101), the both sides of fixed station (101) all are provided with cooling body (4), its characterized in that: a firing mechanism (2) is arranged on the fixing table (101) and positioned at the clamping groove (105), and a containing mechanism (3) for containing firing materials is arranged on the fixing groove (104);

the sintering mechanism (2) comprises a sintering furnace body (201) fixedly connected to the clamping groove (105), the sintering furnace body (201) is communicated with the fixing groove (104), a circular heat conducting plate (202) is fixedly connected to the fixing groove (104), a plurality of resistance heaters (203) are installed on the circular heat conducting plate (202), heat outlet pipes (204) are communicated with the top of the sintering furnace body (201), L-shaped heat conducting pipes (205) are communicated with the two sides of the heat outlet pipes (204), air outlets (206) are formed in the bottoms of the two sides of the sintering furnace body (201), and one ends of the two L-shaped heat conducting pipes (205) are communicated with the two air outlets (206).

2. A silicon carbide sintering furnace with thermal cycling according to claim 1, wherein: the holding mechanism (3) comprises a holding box (301) movably connected in the fixed groove (104), a fixing frame (303) is arranged at the top of the holding box (301), and a drawing box (304) is fixedly connected to one side of the holding box (301).

3. A silicon carbide sintering furnace with thermal cycling according to claim 2, wherein: the cooling mechanism (4) comprises through grooves (401) symmetrically formed in the two sides of the fixed table (101), ventilation plates (404) are fixedly connected in the through grooves (401), partition plates (402) are fixedly connected in the two sides of the fixed table (101), and air coolers (403) are arranged on one side, opposite to the partition plates (402).

4. A silicon carbide sintering furnace with thermal cycling according to claim 2, wherein: the containing box (301) is provided with a plurality of ventilation holes (302).

5. A silicon carbide sintering furnace with thermal cycling according to claim 1, wherein: one side of fixed station (101) fixedly connected with spacing (102), one side of spacing (102) rotates and is connected with stopper (103).

6. A silicon carbide sintering furnace with thermal cycling according to claim 3, wherein: the shape and the size of the fixing groove (104) are the same as those of the connection of the containing box (301) and the drawing box (304), and the two through grooves (401) are communicated with the fixing groove (104).