Electric sintering furnace for mineral powder shaping

Abstract

The utility model discloses an electric sintering furnace for mineral powder shaping, which comprises a furnace body, three groups of heating units are arranged in the furnace body, the three groups of heating units are arranged at intervals, and the distance between the three groups of heating units is adjustable; a bearing assembly is arranged between every two adjacent heating units, the bearing assemblies are connected with the furnace body in an inserted and matched mode, and the bearing assemblies are used for containing mineral powder. The three heating units are arranged in the furnace body, the bearing assemblies are arranged between every two adjacent heating units, the two sliding assemblies are arranged on the two sides of the heating pieces of the heating units, and the sliding assemblies are matched with the sliding grooves in the side wall of the furnace body so that the distance between the heating pieces and the bearing assemblies can be adjusted. And meanwhile, the two faces of the bearing assembly can be heated, so that mineral powder in the bearing assembly is evenly heated, and breakage is prevented.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric furnaces, and particularly relates to an electric sintering furnace for sizing mineral powder. Background Technique

[0002] During the processing of mineral powder, it needs to go through raw stone mining, calcination, collection, and finally drying and sizing. When drying and sizing, the mineral powder is granulated according to the required shape and structure and then put into an electric furnace or a calcination furnace for drying. When the traditional electric furnace is used for drying and sintering, since there is no container for fixing the mineral powder in the electric furnace, and the bottom of the mineral powder is in close contact with the heating wire or heating sheet of the electric furnace during heating, the local heating temperature is too high and the heating is uneven, resulting in the cracking of the granulated mineral powder during drying and sintering, which affects the yield and processing efficiency of the drying and sizing of the mineral powder. Content of the Utility Model

[0003] The purpose of the utility model is to provide an electric sintering furnace for sizing mineral powder, in which three heating units are arranged in the furnace body, and a bearing unit is arranged between the heating units for containing the mineral powder. The distance between the heating unit and the bearing unit can be adjusted, so as to control the heating temperature of the mineral powder and avoid cracking in the furnace body.

[0004] The utility model is realized by the following technical solutions:

[0005] An electric sintering furnace for sizing mineral powder, comprising a furnace body, wherein three heating units are arranged in the furnace body, the three heating units are arranged at intervals, and the distance between the three heating units is adjustable; a bearing component is arranged between adjacent two heating units, the bearing component is in plug-in fit connection with the furnace body, and the bearing component is used for containing the mineral powder.

[0006] Further, the heating unit includes an electric heating sheet and a plurality of sliding components, the sliding components are arranged on both sides of the electric heating sheet, and a plurality of sliding grooves are correspondingly arranged on the side wall of the furnace body on both sides of the heating unit, and the sliding components are matched with the sliding grooves.

[0007] Further, the sliding component includes a connecting piece, an elastic piece and a reed piece, the reed pieces are arranged at the left and right ends of the connecting piece and are flush with the end of the connecting piece, an installation hole is arranged at one end of the connecting piece where the reed piece is arranged, the elastic piece is arranged in the installation hole, and both ends of the elastic piece are connected with the reed piece; one end of the connecting piece where the reed piece is arranged is matched with the sliding groove, and the other end of the connecting piece is connected with the electric heating sheet.

[0008] Further, slots are arranged on both the left and right sides of the side wall of the furnace body where the bearing component is located, and the bearing component is in plug-in fit connection with the slots.

[0009] Further, the bearing assembly includes a bottom plate and a cover plate. The edges of the bottom plate and the cover plate are in abutment. Structurally opposite shaping parts are provided in the middle of both the bottom plate and the cover plate, and the shaping parts are used for placing mineral powder.

[0010] Further, the width of the slot is greater than the thickness of the edge of the bearing assembly. Positioning blocks are provided on both edges of the cover plate, and the positioning blocks are rotatably connected to the cover plate. The positioning blocks are used to insert into the slots to fix the cover plate.

[0011] Further, a number of ventilation holes are provided in the shaping part of the cover plate.

[0012] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0013] 1) In the utility model, three heating units are arranged in the furnace body, a bearing assembly is arranged between two adjacent heating units, two sliding assemblies are arranged on both sides of the heating sheet of the heating unit, and the sliding assemblies cooperate with the sliding grooves on the side wall of the furnace body to adjust the distance between the heating sheet and the bearing assembly. At the same time, the two sides of the bearing assembly can be heated, so that the mineral powder in the bearing assembly is evenly heated and prevented from cracking.

[0014] 2) In the utility model, positioning blocks are arranged on the side surface of the cover plate of the bearing assembly, and the positioning blocks are rotatably connected to the cover plate. The cover plate can be pressed tightly on the bottom plate by screwing the positioning blocks into the slots on the side wall of the furnace body, preventing the bearing assembly from displacing in the furnace body during the heating process of the mineral powder. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the accompanying drawings in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present utility model, and thus should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.

[0016] Figure 1 It is a schematic cross-sectional structure diagram of the electro-sintering furnace for mineral powder shaping of the present utility model.

[0017] Figure 2 It is a schematic structural diagram of the sliding assembly in the electro-sintering furnace for mineral powder shaping of the present utility model.

[0018] Wherein: 1 - furnace body, 11 - sliding groove, 12 - slot, 2 - electric heating sheet, 3 - sliding assembly, 31 - connecting piece, 32 - reed, 33 - elastic member, 4 - bottom plate, 5 - cover plate, 6 - positioning block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model.

[0020] Embodiment 1:

[0021] The main structure of this embodiment is an electric sintering furnace for sizing mineral powder, as Figure 1 and Figure 2 shown, which includes a furnace body 1. Three heating units are arranged in the furnace body 1, and the three heating units are arranged at intervals, and the distance between the three heating units is adjustable; a bearing assembly is arranged between adjacent two heating units, and the bearing assembly is in plug-in fit connection with the furnace body 1, and the bearing assembly is used for containing mineral powder; the heating unit includes an electric heating sheet 2 and a plurality of sliding assemblies 3. The sliding assemblies 3 are arranged on both sides of the electric heating sheet 2. A plurality of sliding grooves 11 are correspondingly arranged on the side wall of the furnace body 1 on both sides of the heating unit, and the sliding assemblies 3 are matched with the sliding grooves 11; the sliding assembly 3 includes a connecting piece 31, an elastic member 33, and a reed 32. The reed 32 is arranged at the left and right ends of the connecting piece 31 and is flush with the end of the connecting piece 31. An installation hole is arranged at one end of the connecting piece 31 where the reed 32 is arranged, and the elastic member 33 is arranged in the installation hole, and its two ends are connected to the reed 32; one end of the connecting piece 31 where the reed 32 is arranged is matched with the sliding groove 11, and the other end is connected to the electric heating sheet 2.

[0022] The furnace body 1 is of a cuboid structure, with a furnace door provided on one side thereof. The furnace door is hinged to the furnace body 1. Three sets of spaced heating units are provided inside the furnace body 1. A bearing assembly is provided between every two adjacent heating units. Two sliding grooves 11 are provided on the left and right sides of each heating unit. The heating unit can adjust the distance between it and the bearing assembly through the sliding grooves 11. The heating unit includes a heating element 2 and a plurality of sliding assemblies 3. The heating element 2 is connected to an external cable through a wire. Two sliding assemblies 3 are provided on the left and right sides of each heating element 2. The sliding assembly 3 includes a connecting member 31, an elastic member 33 and a reed 32. The elastic member 33 is preferably a spring. The reed 32 is provided on the left and right sides of one end of the connection. An installation hole is provided on the side of the connecting member 31 where the reed 32 is provided. The spring is inserted into the installation hole and connected to the reeds 32 on the left and right sides of the installation hole. The reed 32, the connecting member 31 and the elastic member 33 are all inserted into the sliding groove 11. The sliding groove 11 is a longitudinal groove structure, and its width is matched with the sliding assembly 3. Under the supporting action of the reed 32 and the spring, the heating element 2 can be kept stable inside the furnace body 1. The reed 32 is of an inclined and curved structure, and its tail protrudes outside the sliding groove 11. If it is necessary to adjust the distance between the heating elements 2, only need to pinch the reed 32 outside the sliding groove 11 to make it close, and slide the connecting member 31 up or down. The four sliding assemblies 3 on the heating element 2 can be adjusted in turn.

[0023] Embodiment 2:

[0024] On the basis of the above embodiment, this embodiment further defines the bearing assembly, as Figure 1 shown, slots 12 are provided on the left and right sides of the side wall of the furnace body 1 where the bearing assembly is located. The bearing assembly is connected with the slots 12 in an insertion and matching manner; the bearing assembly includes a bottom plate 4 and a cover plate 5. The edges of the bottom plate 4 and the cover plate 5 are in abutment. Structurally opposite shaping parts are provided in the middle of the bottom plate 4 and the cover plate 5. The shaping parts are used for placing ore powder; the width of the slot 12 is greater than the thickness of the edge of the bearing assembly. Positioning blocks 6 are provided on both sides of the edge of the cover plate 5. The positioning blocks 6 are rotatably connected to the cover plate 5. The positioning blocks 6 are used for inserting into the slots 12 to fix the cover plate 5; a plurality of ventilation holes are provided on the shaping part of the cover plate 5.

[0025] The bearing assembly includes a bottom plate 4 and a cover plate 5. There are two groups of bearing assemblies arranged in the furnace body 1. A group of heating units are arranged between the two groups of bearing assemblies. Slots 12 are arranged at the positions where the bearing assemblies are located in the furnace body 1. The slots 12 are arranged perpendicular to the sliding grooves 11 for adjusting the heating units. The bottom plate 4 and the cover plate 5 are abutted against each other at the edge positions. The width of the slot 12 is greater than the thickness of the bottom plate 4 and the cover plate 5 after they are abutted at the edges. Positioning blocks 6 are arranged at the edges on both the left and right sides of the cover plate 5. The positioning blocks 6 are rotatably connected to the cover plate 5. After the edges of the bottom plate 4 and the cover plate 5 are inserted into the slot 12, rotate the positioning blocks 6 and screw the positioning blocks 6 into the slot 12, which can fix and press the cover plate 5 against the bottom plate 4, making the bearing assembly stable in the furnace body 1. Shaping parts are arranged in the middle of both the bottom plate 4 and the cover plate 5. The structure of the shaping parts is determined according to actual requirements. It can be multiple hemispherical grooves, or multiple cube or cuboid grooves. If the ore powder needs to be shaped into a spherical structure, use the bottom plate 4 and the cover plate 5 with multiple hemispherical grooves as the shaping parts. If the ore powder needs to be shaped into a rectangle or a square, use the bottom plate 4 and the cover plate 5 with multiple cube or cuboid grooves as the shaping parts. At the same time, a number of ventilation holes are arranged on the shaping part of the cover plate 5, which can prevent the pressure between the shaping parts of the bottom plate 4 and the cover plate 5 from being too large, resulting in the cracking of the ore powder during the heating and shaping process. When heating and shaping the ore powder, the heating units between the bearing assemblies can heat and sinter the ore powder in the bearing assemblies on its upper and lower sides. Adjusting the distance between the heating units at the uppermost and lowermost positions and the corresponding bearing assemblies can control the heating time and sintering temperature of the ore powder, and can be adaptively adjusted according to the sintering standards of different ore powders. Other parts of this embodiment are the same as those of the above embodiment and will not be described in detail here.

[0026] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the product of the present invention is usually placed during use. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention.

[0027] In addition, in the description of the present invention, if terms such as "horizontal" and "vertical" appear, it does not mean that the components are required to be absolutely horizontal or hanging vertically, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0028] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and defined, if terms such as "set", "installed", "connected", "coupled" are used, they should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0029] The above are only the preferred embodiments of the present utility model, and do not impose any form of limitation on the present utility model. Any simple modification or equivalent change made to the above embodiments based on the technical essence of the present utility model shall fall within the protection scope of the present utility model.

Claims

1. An electric sintering furnace for shaping mineral powder, characterized in that, It includes a furnace body, in which three heating units are arranged. The three heating units are arranged at intervals, and the distance between the three heating units is adjustable. A bearing component is arranged between two adjacent heating units. The bearing component is in plug-in fit connection with the furnace body and is used for containing ore powder.

2. The electro-sintering furnace for shaping ore powder according to claim 1, characterized in that, The heating unit includes electric heating sheets and a plurality of sliding components. The sliding components are arranged on both sides of the electric heating sheets. A plurality of chutes are correspondingly arranged on the side wall of the furnace body on both sides of the heating unit, and the sliding components are matched with the chutes.

3. The electro-sintering furnace for sizing ore powder according to claim 2, characterized in that, The sliding component includes a connecting piece, an elastic piece and a reed. The reeds are arranged at the left and right ends of the connecting piece and are flush with the ends of the connecting piece. An installation hole is arranged at one end of the connecting piece where the reed is arranged, and the elastic piece is arranged in the installation hole and its two ends are connected to the reed. One end of the connecting piece where the reed is arranged is matched with the chute, and the other end is connected to the electric heating sheet.

4. The electro-sintering furnace for sizing ore powder as described in claim 1, wherein, Slots are arranged on both the left and right sides of the side wall of the furnace body where the bearing component is located, and the bearing component is in plug-in fit connection with the slots.

5. The electro-sintering furnace for sizing ore powder according to claim 4, wherein The bearing component includes a bottom plate and a cover plate. The edges of the bottom plate and the cover plate are in abutment. Structurally opposite shaping parts are arranged in the middle of both the bottom plate and the cover plate, and the shaping parts are used for placing ore powder.

6. The electro-sintering furnace for sizing ore powder according to claim 5, characterized in that, The width of the slot is greater than the thickness of the edge of the bearing component. Positioning blocks are arranged on both sides of the edge of the cover plate. The positioning blocks are rotatably connected to the cover plate and are used for inserting into the slots to fix the cover plate.

7. The electro-sintering furnace for sizing ore powder as claimed in claim 5, wherein A number of ventilation holes are arranged on the shaping part of the cover plate.

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