CN109579513B - Enhanced vacuum separation resistance furnace - Google Patents

Enhanced vacuum separation resistance furnace Download PDF

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Publication number
CN109579513B
CN109579513B CN201811439728.9A CN201811439728A CN109579513B CN 109579513 B CN109579513 B CN 109579513B CN 201811439728 A CN201811439728 A CN 201811439728A CN 109579513 B CN109579513 B CN 109579513B
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furnace body
annular plate
furnace
pipe
electrode ring
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CN109579513A (en
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周强
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Dayu Mingfa Mining Co ltd
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Dayu Mingfa Mining Co ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
    • F27B7/06—Rotary-drum furnaces, i.e. horizontal or slightly inclined adapted for treating the charge in vacuum or special atmosphere
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
    • F27B7/10—Rotary-drum furnaces, i.e. horizontal or slightly inclined internally heated, e.g. by means of passages in the wall
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
    • F27B7/14—Rotary-drum furnaces, i.e. horizontal or slightly inclined with means for agitating or moving the charge
    • F27B7/16—Rotary-drum furnaces, i.e. horizontal or slightly inclined with means for agitating or moving the charge the means being fixed relatively to the drum, e.g. composite means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
    • F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
    • F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
    • F27B7/22—Rotary drums; Supports therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
    • F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
    • F27B7/34—Arrangements of heating devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/03—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
    • H01R11/05—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations the connecting locations having different types of direct connections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4854—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a wire spring
    • H01R4/4863—Coil spring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
    • F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
    • F27B7/22—Rotary drums; Supports therefor
    • F27B2007/2246—Support rollers

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Furnace Details (AREA)

Abstract

The invention provides an enhanced vacuum separation resistance furnace, which comprises a furnace body, wherein one end of the furnace body is provided with a feeding pipe, the feeding pipe is provided with a gear, and a driving motor is connected with the gear through a belt; the other end of the furnace body is provided with a discharge pipe, and the furnace body is communicated with a vacuum pump through an air pipe; one end of the furnace body is provided with a first conductive electrode ring, the other end of the furnace body is provided with a second conductive electrode ring, a plurality of heating tubes are arranged between the outer wall and the inner wall of the furnace body, one end of each heating tube is electrically connected with the first conductive electrode ring, and the other end of each heating tube is electrically connected with the second conductive electrode ring; a first protective cover is covered at one end of the furnace body, a first power connection mechanism is arranged on the first protective cover, and the first conductive electrode ring is electrically connected with an external power line through the first power connection mechanism; the other end of the furnace body is provided with a second protective cover, a second power connection mechanism is arranged on the second protective cover, and the second conductive electrode ring is electrically connected with an external power line through the second power connection mechanism; the furnace body can rotate, so that materials are fully stirred and heated in the heating process, and the production efficiency is improved.

Description

Enhanced vacuum separation resistance furnace
Technical Field
The invention relates to the field of resistance furnaces, in particular to an enhanced vacuum separation resistance furnace.
Background
The resistance furnace is an industrial furnace which heats workpieces or materials by heating elements or heating media in the furnace by using current; can produce a large amount of mixed waste materials in some industrial production processes, need utilize the resistance furnace to add thermal decomposition, and need provide the vacuum decomposition condition, current vacuum separation resistance furnace mostly only has ordinary resistance furnace cooperation vacuum pump, simple combination forms, be equipped with rabbling mechanism in the partial resistance furnace, a stirring for the material, decompose with higher speed, but this kind of resistance furnace is mostly only at furnace body bottom installation resistance heating member, in time install agitating unit and also can only utilize the heat of bottom, can't carry out more efficient thermal decomposition to the material and handle, low in production efficiency.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide an enhanced vacuum separation resistance furnace which is novel in structure, can fully utilize the space of a furnace body to arrange resistance heating elements, realizes the rotation of the furnace body, fully stirs materials in the heating process, improves the utilization rate of heat in the furnace and improves the production efficiency.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides an enhanced vacuum separation resistance furnace, which comprises an obliquely arranged furnace body, wherein the furnace body is arranged on a rack through a plurality of supporting brackets, a feeding pipe is fixedly arranged on the end surface of the inclined higher end of the furnace body, the axis of the feeding pipe is superposed with the axis of the furnace body and is communicated with the furnace body, a gear is fixedly sleeved on the outer wall of the feeding pipe, a driving motor is fixedly arranged on the rack, and an output shaft of the driving motor is connected with the gear through a chain; the end face of the lower inclined end of the furnace body is fixedly provided with a discharge pipe, the discharge pipe is close to the edge of the end face of the furnace body and is communicated with the interior of the furnace body, the discharge pipe and one end of the feed pipe, which is far away from the furnace body, are both covered with a furnace cover, the end face of the lower inclined end of the furnace body is also fixedly provided with an air pipe, the axis of the air pipe is superposed with the axis of the furnace body, one end of the air pipe is communicated with the furnace body, and the other end of the air pipe is;
a first conductive electrode ring is embedded in the end face of the higher inclined end of the furnace body, a second conductive electrode ring is embedded in the end face of the lower inclined end of the furnace body, a plurality of heating tubes are embedded between the outer wall and the inner wall of the furnace body, the heating tubes are arranged along the axis direction of the furnace body and distributed in a circumferential array around the axis of the furnace body, one end of each heating tube is electrically connected with the first conductive electrode ring, and the other end of each heating tube is electrically connected with the second conductive electrode ring; the end face of the inclined higher end of the furnace body is covered with a first protective cover, the first protective cover is fixed on the rack through a support, a first power connection mechanism is fixedly arranged on the first protective cover, and the first conductive electrode ring is electrically connected with an external power line through the first power connection mechanism; the end face of the lower inclined end of the furnace body is covered with a second protective cover, the second protective cover is fixed on the rack through a support, a second power connection mechanism is fixedly arranged on the second protective cover, and the second conductive electrode ring is electrically connected with an external power line through the second power connection mechanism.
In a preferred technical scheme of the invention, the first protective cover comprises a first annular plate and a first pipe body fixedly arranged on the outer edge of the first annular plate, the axes of the first annular plate, the first pipe body and the furnace body are overlapped, the inner diameter of the first annular plate is larger than the diameter of the feeding pipe, the inner diameter of the first pipe body is larger than the outer diameter of the furnace body, and a first through hole is formed in the first annular plate; the first power connection mechanism comprises a first base and a first conductive elastic sheet embedded in the first base, the first base is fixed on the first annular plate, a first fixing hole is formed in the first base, one end of the first conductive elastic sheet is arranged in the first fixing hole and electrically connected with an external power line through a screw, the other end of the first conductive elastic sheet penetrates through the first through hole, extends into a gap between the first protective cover and the end face of the furnace body and is in sliding abutting contact with the first conductive electrode ring through a first roller, and the first roller is fixedly installed on the side wall, close to the first conductive electrode ring, of the first conductive elastic sheet through an installation seat;
the second protective cover comprises a second annular plate and a second pipe body fixedly arranged on the outer edge of the second annular plate, the axes of the second annular plate, the second pipe body and the furnace body are overlapped, the vertical distance from the inner wall of the second annular plate to the axis of the furnace body is greater than the maximum vertical distance from the discharge pipe to the axis of the furnace body, and a second through hole is formed in the second annular plate; the second electricity connecting mechanism comprises a second base and a second conductive elastic sheet embedded in the second base, the second base is fixed on the second annular plate, a second fixing hole is formed in the second base, one end of the second conductive elastic sheet is arranged in the second fixing hole and electrically connected with an external power line through a screw, the other end of the second conductive elastic sheet penetrates through the second through hole, extends into a gap between the second protective cover and the end face of the furnace body, and is in sliding abutting connection with the second conductive electrode ring through a second roller, and the second roller is fixedly installed on the side wall, close to the second conductive elastic sheet, of the second conductive electrode ring through a mounting seat.
In a preferred technical scheme of the present invention, the first conductive elastic sheet penetrates through the first annular plate and is partially bent, an end surface of the bent portion away from the first annular plate abuts against the first conductive electrode ring, an elastic member is disposed between the other end surface and the first annular plate, and two ends of the elastic member are respectively and fixedly connected to the first annular plate and the first conductive elastic sheet; the second conductive elastic sheet has the same structure as the first conductive elastic sheet, and the second conductive elastic sheet is abutted against the second conductive electrode ring.
In a preferred embodiment of the present invention, the first shield and the second shield are made of mica or ceramic.
In a preferred technical scheme of the present invention, the first conductive electrode ring includes an annular insulator made of mica or ceramic, the insulator is embedded in the end face of the furnace body, an annular groove is formed in the end face of the insulator away from the furnace body, a plurality of slots are formed in the bottom of the annular groove, the slots correspond to the heating tubes one by one, a pole body is embedded in the annular groove, the conductive end of the heating tube penetrates through the slot and is electrically connected with the pole body, and the second conductive electrode ring is identical to the first conductive electrode ring in structure.
In a preferred technical scheme of the invention, a plurality of frame plates are fixedly arranged in the furnace body, a stirring rod penetrates through the frame plates through a closed bearing, and a plurality of support rods are fixedly arranged on the stirring rod.
In a preferred technical scheme of the invention, each support bracket comprises a support seat and at least two support rollers, the top surface of each support bracket is in an arc surface shape, the support rollers are erected on a lower concave part of the top surface of the support seat through bearing seats and are symmetrically arranged relative to the central line of the support seat, the support rollers are arranged along the axial direction of the furnace body, and the outer walls of the support rollers are abutted against the outer wall of the furnace body.
In a preferred technical scheme of the invention, an included angle formed by the axis of the furnace body and the horizontal plane is 2-5 degrees.
In a preferred technical scheme of the invention, a filter screen is arranged at the communication part of the air pipe and the furnace body.
The invention has the beneficial effects that:
the enhanced vacuum separation resistance furnace provided by the invention has a novel structure, the furnace body which is obliquely arranged at a small angle can facilitate the discharge of materials, and meanwhile, the support bracket is used as a rolling support and the furnace body is rotated under the action of the driving motor, so that the materials are fully stirred in the heating process; many heating tubes that set up in the furnace body provide sufficient heat for the furnace body, and first protection casing, second protection casing, first electricity mechanism and the second connects the cooperation of electricity mechanism and can realize that the heating tube is also in along with the furnace body pivoted simultaneously and connect electricity, the state of generating heat, realizes the limit and rotates, the while heating, provides thermal utilization ratio in the stove greatly, improves production efficiency.
Drawings
FIG. 1 is a schematic diagram of an enhanced vacuum separation resistance furnace provided in an embodiment of the present invention;
FIG. 2 is a schematic structural view of a furnace body provided in an embodiment of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a schematic structural diagram of a first power connection mechanism a and a second power connection mechanism b according to an embodiment of the present invention;
fig. 5 is a side view of a support bracket provided in an embodiment of the present invention.
In the figure:
100. a furnace body; 110. a feed pipe; 111. a gear; 120. a discharge pipe; 130. an air tube; 140. a heat generating tube; 150. a frame plate; 200. a support bracket; 210. a supporting seat; 220. a support roller; 310. a drive motor; 320. a rotary joint; 330. a vacuum pump; 410. a first conductive electrode ring; 411. an insulator; 412. an annular groove; 413. a slot; 414. a pole body; 420. a second conductive electrode ring; 510. a first shield; 511. a first annular plate; 512. a first pipe body; 520. a second shield; 521. a second annular plate; 522. a second tube body; 610. a first power connection mechanism; 611. a first base; 612. a first conductive elastic sheet; 613. a first roller; 620. a second power connection mechanism; 621. a second base; 622. a second conductive elastic sheet; 623. a second roller; 700. an elastic member; 800. a stirring rod; 810. a support rod.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1 and fig. 2, in the embodiment of the present invention, an enhanced vacuum separation resistance furnace is disclosed, which includes an obliquely disposed furnace body 100, the furnace body 100 is mounted on a rack through a plurality of support brackets 200, a feed pipe 110 is fixedly disposed on an end surface of an obliquely higher end of the furnace body 100, an axis of the feed pipe 110 coincides with an axis of the furnace body 100, the feed pipe 110 is communicated with the furnace body 100, a gear 111 is fixedly disposed on an outer wall of the feed pipe 110, a driving motor 310 is fixedly mounted on the rack, an output shaft of the driving motor 300 is connected with the gear 111 through a chain, and it should be noted that the driving motor 310 may be connected with a speed reducer first, and then connected with the gear 111 through the speed reducer and a belt; a discharge pipe 120 is fixedly arranged on the end surface of the inclined lower end of the furnace body 100, the discharge pipe 120 is close to the edge of the end surface of the furnace body 100 and is communicated with the interior of the furnace body 100, furnace covers are respectively arranged on the discharge pipe 120 and one end of the feed pipe 110 far away from the furnace body 100, an air pipe 130 is also fixedly arranged on the end surface of the inclined lower end of the furnace body 100, the axis of the air pipe 130 is overlapped with the axis of the furnace body 100, one end of the air pipe 130 is communicated with the furnace body 100, the other end of the air pipe is communicated with an air inlet of a vacuum pump 330 through a rotary joint 320, and the rotary joint 320 is a common connecting part in industrial equipment, so that gas or liquid can;
a first conductive electrode ring 410 is embedded in the end surface of the higher inclined end of the furnace body 100, a second conductive electrode ring 420 is embedded in the end surface of the lower inclined end of the furnace body 100, a plurality of heating tubes 140 are embedded between the outer wall and the inner wall of the furnace body 100, and a heat insulation layer made of materials such as asbestos and rock wool is filled between the heating tubes 140 and the outer wall of the furnace body 100; the heating tubes 140 are arranged along the axial direction of the furnace body 100 and distributed in a circumferential array around the axial line of the furnace body 100, one end of each heating tube 140 is electrically connected with the first conductive electrode ring 410, and the other end is electrically connected with the second conductive electrode ring 420; the end face of the inclined higher end of the furnace body 100 is covered with a first protective cover 510, the first protective cover 510 is fixed on the rack through a bracket, a first power connection mechanism 610 is fixedly arranged on the first protective cover 510, and the first conductive electrode ring 410 is electrically connected with an external power line through the first power connection mechanism 610; the end face of the lower inclined end of the furnace body 100 is covered with a second protective cover 520, the second protective cover 520 is fixed on the rack through a support, a second power connection mechanism 620 is fixedly arranged on the second protective cover 520, and the second conductive electrode ring 420 is electrically connected with an external power line through the second power connection mechanism 620.
The enhanced vacuum separation resistance furnace is novel in structure, the furnace body 100 which is obliquely arranged at a small angle can facilitate the discharge of materials, and meanwhile, the support bracket 200 is used as a rolling support to realize the rotation of the furnace body 100 under the action of the driving motor 310, so that the materials are fully stirred in the heating process; the heating tubes 140 arranged in the furnace body 100 provide enough heat for the furnace body 100, and the first protective cover 510, the second protective cover 520, the first power connection mechanism 610 and the second power connection mechanism 620 are matched to realize that the heating tubes 140 are in power connection and heating states while rotating along with the furnace body 100, so that rotation and heating are realized, the utilization rate of heat in the furnace is greatly increased, and the production efficiency is improved.
More specifically, using the enhanced vacuum separation resistance furnace, firstly, opening the furnace cover of the feeding pipe 110, putting a proper amount of material into the furnace body 100, then, covering the furnace cover, starting the apparatus, driving the furnace body 100 to rotate by the driving motor 310, electrifying the heating pipe 140 under the conduction of the first electrifying mechanism 610 and the second electrifying mechanism 620 to generate heat and supply heat to the furnace body 100, electrifying the vacuum pump 330 to start up, and pumping out the gas in the furnace body 100 to form a vacuum condition in the furnace body 100; and after the processing time reaches the preset time, disconnecting the power supply, opening a furnace cover on the discharge pipe 120, and discharging the material.
Further, as shown in fig. 2, the first protective cover 510 includes a first annular plate 511 and a first tube 512 fixed to an outer edge of the first annular plate 511, axes of the first annular plate 511, the first tube 512 and the furnace body 100 are overlapped, an inner diameter of the first annular plate 511 is larger than a diameter of the feeding tube 110, an inner diameter of the first tube 512 is larger than an outer diameter of the furnace body 100, and a first through hole is formed in the first annular plate 511; as shown in a of fig. 4, the first power connection mechanism 610 includes a first base 611 and a first conductive elastic piece 612 embedded in the first base 611, the first base 611 is fixed on the first annular plate 511, the first base 611 is provided with a first fixing hole, one end of the first conductive elastic piece 612 is disposed in the first fixing hole and electrically connected to an external power line through a screw, the other end of the first conductive elastic piece 612 penetrates through the first through hole and extends into a gap between the first protective cover 510 and the end surface of the furnace body 100, and slidably abuts against the first conductive electrode ring 410 through a first roller 613, and the first roller 613 is fixedly mounted on a side wall of the first conductive elastic piece 612 close to the first conductive electrode ring 410 through a mounting seat;
the second protective cover 520 comprises a second annular plate 521 and a second pipe body 522 fixedly arranged on the outer edge of the second annular plate 521, the axes of the second annular plate 521, the second pipe body 522 and the furnace body 100 are overlapped, the vertical distance from the inner wall of the second annular plate 521 to the axis of the furnace body 100 is greater than the maximum vertical distance from the discharge pipe 120 to the axis of the furnace body 100, and a second through hole is formed in the second annular plate 521; as shown in b in fig. 4, the second power connection mechanism 620 includes a second base 621 and a second conductive elastic sheet 622 embedded in the second base 621, the second base 621 is fixed on the second annular plate 521, a second fixing hole is formed on the second base 621, one end of the second conductive elastic sheet 622 is disposed in the second fixing hole and electrically connected to an external power line through a screw, the other end of the second conductive elastic sheet 622 penetrates through the second through hole and extends into a gap between the second protective cover 520 and the end surface of the furnace body 100, and is slidably abutted against the second conductive electrode ring 420 through a second roller 623, and the second roller 623 is fixedly mounted on a side wall of the second conductive elastic sheet 622 close to the second conductive electrode ring 420 through a mounting seat; the first shield 510 and the second shield 520 can protect the first conductive electrode ring 410 and the second conductive electrode ring 420 without affecting the normal rotation of the furnace body 100, so as to prevent electric shock; the first power connection mechanism 610 and the second power connection mechanism 620 can supply power to the heating tube 140 while the furnace body 100 rotates, so that the heating tube 140 can supply heat while rotating; the first roller 613, the second roller 623 and the mounting seat are all made of copper.
Further, as shown in fig. 3 and 4, the first conductive elastic piece 612 penetrates through the first annular plate 511, and is bent, an end surface of the bent portion far away from the first annular plate 511 abuts against the first conductive electrode ring 410, an elastic piece 700 is arranged between the other end surface and the first annular plate 511, and two ends of the elastic piece 700 are respectively fixedly connected with the first annular plate 511 and the first conductive elastic piece 612; the second conductive elastic piece 622 has the same structure as the first conductive elastic piece 612, and the second conductive elastic piece 622 abuts against the second conductive electrode ring 420; the design of the elastic member 700 can ensure that the first conductive elastic piece 612 always abuts against the first conductive electrode ring 410 and the second conductive elastic piece 622 always abuts against the second conductive electrode ring 420, and it should be noted that the elastic member 700 can be, but is not limited to, a spring, an elastic rubber made of high temperature resistant rubber, and the like.
Further, the first shield 510 and the second shield 520 are made of mica or ceramic; the first protective cover 510 is designed to protect the first conductive electrode ring 410, and to be used as an installation part of the first power connection mechanism 610, when the first power connection mechanism 610 is installed, the first conductive elastic piece 612 needs to penetrate out of the first protective cover 510, and in the process, the first conductive elastic piece 612 may contact the first protective cover 510, when the first conductive elastic piece 612 is in a power-on state and electric leakage and electric shock may occur, and the first protective cover 510 is made of mica or ceramic, so that the electric leakage problem can be avoided; correspondingly, the second shield 520 has the same function as the first shield 510.
Further, as shown in fig. 3, the first conductive electrode ring 410 includes an annular insulator 411 made of mica or ceramic, the insulator 411 is embedded in the end face of the furnace body 100, an annular groove 412 is disposed on the end face of the insulator 411 far away from the furnace body 100, a plurality of slots 413 are disposed at the bottom of the annular groove 412, the slots 413 correspond to the heating tubes 140 one by one, a pole body 414 is embedded in the annular groove 412, the conductive end of the heating tube 140 penetrates through the slot 413 and is electrically connected with the pole body 414, and the second conductive electrode ring 420 has the same structure as the first conductive electrode ring 410; the design of the first conductive electrode ring 410 and the second conductive electrode ring 420 is an important part for electrifying the heating tube 140, wherein the insulator 411 made of mica or ceramic can ensure that the first conductive electrode ring 410 and the second conductive electrode ring 420 are not electrically connected with the furnace body 100 when conducting electricity, thereby preventing electric leakage and short circuit; the electrode 414 is made of copper, when the heating tube 140 and the electrode 414 are electrically connected, firstly, the access lead of the heating tube 140 penetrates out of the slot 413 and is welded with the electrode 414 through soldering tin, after all the heating tubes 140 are welded, the electrode 414 is embedded into the annular groove 412, and the electrode 414 and the annular groove 412 are in interference fit.
Further, a plurality of frame plates 150 are fixedly arranged in the furnace body 100, a stirring rod 800 penetrates through the frame plates 150 through a closed bearing, and a plurality of support rods 810 are fixedly arranged on the stirring rod 800; the stirring rod 800 is arranged between the frame plates 150 in a penetrating way through a bearing, the frame plates 150 are fixed on the furnace body 100, when the furnace body 100 rotates, the frame plates 150 also rotate, and the stirring rod 800 is fixed under the action of self gravity; of course, when there is a material inside the furnace body 100, the stirring rod 800 rotates under the action of the stirred material, but it should be noted that the rotation of the stirring rod 800 and the furnace body 100 is not synchronous, so the design of the stirring rod 800 can promote the stirring of the material to a certain extent, thereby realizing more sufficient heating of the material.
Further, as shown in fig. 5, each of the support brackets 200 includes a support base 210 and at least two support rollers 220, the top surface of the support bracket 200 is arc-surface shaped, the support rollers 220 are erected on the lower recess of the top surface of the support base 210 through bearing seats and symmetrically arranged with respect to the center line of the support base 210, the support rollers 220 are arranged along the axial direction of the furnace body 100, and the outer walls of the support rollers 220 abut against the outer wall of the furnace body 100; the supporting seat 210 and the supporting roller 220 having arc top surfaces are designed to assist the balance and rotation of the furnace body 100, thereby reducing the torque of the driving motor 310; the support roller structure at least comprises two support rollers 220, and when the number of the support rollers 220 is even, the support rollers can be directly and symmetrically arranged; when the number of the supporting rollers 220 is odd, an extra supporting roller can be fixedly arranged at the middle position, and the rest supporting rollers are symmetrically arranged.
Further, the included angle formed by the axis of the furnace body 100 and the horizontal plane is 2-5 degrees; the furnace body 100 is obliquely arranged, and the inclination angle is controlled in the range, so that excessive materials can be prevented from being accumulated towards the lower end of the inclination, and normal uniform heating is prevented from being influenced; on the other hand, the inclination angle can be prevented from being too large, and the furnace body 100 is prevented from slipping off in the rotating process; it should be noted that, a stop block for stopping the furnace body 100 from sliding down may be disposed at the lower end of the furnace body 100, outside the second protective cover 520, and the stop block is fixed on the rack, and certainly, during normal use, the stop block does not contact with the furnace body 100, and the stop block is designed to prevent the furnace body from sliding down.
Further, a filter screen is arranged at the communication position of the air pipe 130 and the furnace body 100; various gases may be generated by the thermal decomposition of the materials in the furnace body 100, in order to ensure the internal vacuum condition, the vacuum pump 330 needs to be in a working state all the time, the working time of the vacuum pump 330 can form an air flow, the powdery materials can move along with the air flow, the design of the filter screen can prevent the powdery materials from being discharged along with the air flow, the waste of the materials is reduced, and the damage of the dust materials to the vacuum pump 330 is avoided; it should be noted that the filter screen is preferably made of filter cloth.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.

Claims (9)

1. An enhancement mode vacuum separation resistance furnace which characterized in that:
the furnace body (100) is obliquely arranged and is erected on a rack through a plurality of supporting brackets (200), a feeding pipe (110) is fixedly arranged on the end face of the inclined higher end of the furnace body (100), the axis of the feeding pipe (110) is superposed with the axis of the furnace body (100), the feeding pipe (110) is communicated with the furnace body (100), a gear (111) is fixedly sleeved on the outer wall of the feeding pipe (110), a driving motor (310) is fixedly mounted on the rack, and an output shaft of the driving motor (300) is connected with the gear (111) through a chain; the end face of the lower inclined end of the furnace body (100) is fixedly provided with a discharge pipe (120), the discharge pipe (120) is close to the edge of the end face of the furnace body (100) and is communicated with the interior of the furnace body (100), one ends of the discharge pipe (120) and the feed pipe (110) far away from the furnace body (100) are respectively covered with a furnace cover, the end face of the lower inclined end of the furnace body (100) is also fixedly provided with an air pipe (130), the axis of the air pipe (130) is superposed with the axis of the furnace body (100), one end of the air pipe (130) is communicated with the furnace body (100), and the other end of the air pipe (130) is communicated with an air inlet of a vacuum pump (;
a first electrode guide ring (410) is embedded in the end face of the higher inclined end of the furnace body (100), a second electrode guide ring (420) is embedded in the end face of the lower inclined end of the furnace body (100), a plurality of heating tubes (140) are embedded between the outer wall and the inner wall of the furnace body (100), the heating tubes (140) are arranged along the axis direction of the furnace body (100) and distributed in a circumferential array around the axis of the furnace body (100), one end of each heating tube (140) is electrically connected with the first electrode guide ring (410), and the other end of each heating tube (140) is electrically connected with the second electrode guide ring (420); the end face of the inclined higher end of the furnace body (100) is covered with a first protective cover (510), the first protective cover (510) is fixed on the rack through a support, a first power connection mechanism (610) is fixedly arranged on the first protective cover (510), and the first conductive electrode ring (410) is electrically connected with an external power line through the first power connection mechanism (610); the end face cover of the lower end of furnace body (100) slope is equipped with second protection casing (520), second protection casing (520) are fixed in through the support in the frame, second protection casing (520) are gone up the fixed second that is equipped with and connect electric mechanism (620), second conductor ring (420) and external power cord pass through second connects electric mechanism (620) electric connection.
2. The enhanced vacuum separation resistance furnace of claim 1, wherein:
the first protective cover (510) comprises a first annular plate (511) and a first pipe body (512) fixedly arranged on the outer edge of the first annular plate (511), the axes of the first annular plate (511), the first pipe body (512) and the furnace body (100) are overlapped, the inner diameter of the first annular plate (511) is larger than the diameter of the feeding pipe (110), the inner diameter of the first pipe body (512) is larger than the outer diameter of the furnace body (100), and a first through hole is formed in the first annular plate (511); the first power connection mechanism (610) comprises a first base (611) and a first conductive elastic sheet (612) embedded in the first base (611), the first base (611) is fixed on the first annular plate (511), a first fixing hole is arranged on the first base (611), one end of the first conductive elastic sheet (612) is arranged in the first fixing hole and is electrically connected with an external power line through a screw, the other end of the first conductive elastic sheet (612) penetrates through the first through hole, extends into a gap between the first protective cover (510) and the end face of the furnace body (100), and is in sliding contact with the first conductive electrode ring (410) through a first roller (613), the first roller (613) is fixedly arranged on the side wall, close to the first conductive electrode ring (410), of the first conductive elastic sheet (612) through a mounting seat;
the second protective cover (520) comprises a second annular plate (521) and a second pipe body (522) fixedly arranged on the outer edge of the second annular plate (521), the axes of the second annular plate (521), the second pipe body (522) and the furnace body (100) are overlapped, the vertical distance from the inner wall of the second annular plate (521) to the axis of the furnace body (100) is greater than the maximum vertical distance from the discharge pipe (120) to the axis of the furnace body (100), and a second through hole is formed in the second annular plate (521); the second power connection mechanism (620) comprises a second base (621) and a second conductive elastic sheet (622) embedded in the second base (621), the second base (621) is fixed on the second annular plate (521), a second fixing hole is arranged on the second base (621), one end of the second conductive elastic sheet (622) is arranged in the second fixing hole and is electrically connected with an external power line through a screw, the other end of the second conductive elastic sheet (622) penetrates through the second through hole, extends into a gap between the second protective cover (520) and the end face of the furnace body (100), and is in sliding contact with the second conductive electrode ring (420) through a second roller (623), the second roller (623) is fixedly mounted on the side wall, close to the second conductive electrode ring (420), of the second conductive elastic sheet (622) through a mounting seat.
3. The enhanced vacuum separation resistance furnace of claim 2, wherein:
the first conductive elastic sheet (612) penetrates through the first annular plate (511) and is bent, the end face of the bent part far away from the first annular plate (511) is abutted against the first conductive electrode ring (410), an elastic piece (700) is arranged between the other end face of the bent part and the first annular plate (511), and two ends of the elastic piece (700) are respectively fixedly connected with the first annular plate (511) and the first conductive elastic sheet (612); the second conductive elastic sheet (622) has the same structure as the first conductive elastic sheet (612), and the second conductive elastic sheet (622) abuts against the second conductive electrode ring (420).
4. The enhanced vacuum separation resistance furnace of claim 1, wherein:
the first shield (510) and the second shield (520) are made of mica or ceramic.
5. The enhanced vacuum separation resistance furnace of claim 1, wherein:
first electrode ring (410) include annular insulator (411) by mica or ceramic make, insulator (411) are inlayed and are located furnace body (100) terminal surface, insulator (411) are kept away from the terminal surface of furnace body (100) is equipped with ring channel (412), ring channel (412) bottom is equipped with a plurality of slotted holes (413), slotted hole (413) with heating tube (140) one-to-one, the embedded polar body (414) that is equipped with in ring channel (412), the electrically conductive end of heating tube (140) runs through slotted hole (413) with polar body (414) electric connection, second electrode ring (420) with first electrode ring (410) structure is the same.
6. The enhanced vacuum separation resistance furnace of claim 1, wherein:
furnace body (100) internal fixation is equipped with polylith frame plate (150), wear to be equipped with puddler (800) through closed bearing between frame plate (150), fixed many branch (810) that are equipped with on puddler (800).
7. The enhanced vacuum separation resistance furnace of claim 1, wherein:
each supporting support (200) comprises a supporting seat (210) and at least two supporting rollers (220), the top surface of each supporting support (200) is arc-surface-shaped, the supporting rollers (220) are erected in the lower recesses of the top surface of the supporting seat (210) through bearing seats and are symmetrically arranged relative to the center line of the supporting seat (210), the supporting rollers (220) are arranged along the axial direction of the furnace body (100), and the outer walls of the supporting rollers (220) are abutted against the outer wall of the furnace body (100).
8. The enhanced vacuum separation resistance furnace of claim 1, wherein:
the included angle formed by the axis of the furnace body (100) and the horizontal plane is 2-5 degrees.
9. The enhanced vacuum separation resistance furnace of claim 1, wherein:
a filter screen is arranged at the communication position of the air pipe (130) and the furnace body (100).
CN201811439728.9A 2018-11-29 2018-11-29 Enhanced vacuum separation resistance furnace Active CN109579513B (en)

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