Internal heat conduction structure of direct current plasma smelting furnace

Abstract

The utility model belongs to the technical field of direct-current plasma smelting furnaces, and particularly relates to an internal heat conduction structure of a direct-current plasma smelting furnace, which comprises a furnace body and further comprises four supporting legs, the top ends of the four supporting legs are all fixedly mounted at the bottom of the furnace body, and the top ends of the four supporting legs are all fixedly mounted at the bottom of the furnace body. The furnace door is hinged to the front side of the furnace body; the bottom end of the exhaust pipe is fixedly communicated with the top end of the furnace body; the number of the electrode plates is two, and the two electrode plates are both fixedly installed on the inner wall of the furnace body; the ladder disc assembly comprises a first ladder disc, a second ladder disc and a third ladder disc, and the outer side of the first ladder disc is fixedly installed on the inner wall of the furnace body. According to the utility model, the adjustment operation outside the furnace body is realized through a simple structure, the operation is convenient and fast, the time and labor are saved, and the adjustment efficiency is improved; and uniform and rapid heating of the to-be-treated product in the furnace body is improved, the melting efficiency of the to-be-treated product is improved, and practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to direct current plasma furnace technical field especially relates to a direct current plasma furnace internal heat conduction structure. BACKGROUND

[0002] Direct current plasma furnace (DC Plasma Furnace) is a kind of high-temperature smelting equipment using plasma (Plasma) technology. It mainly generates plasma arc through direct current power supply, heats material to melting or gasification temperature, and is used in metallurgy, material processing, waste treatment and other industrial fields.

[0003] In prior art, the patent file with application No. 201921914894.X discloses a plasma furnace, including dust absorption pipe furnace body, the upper end of furnace body is provided with waste discharge port, the front end of furnace body is connected with pneumatic valve, the lower end of furnace body is provided with support, the inside of furnace body is provided with heat lock ring, the upper of lower electrode plate is provided with first ladder disc, the inside of first ladder disc is provided with first inner ring channel near the upper end of first ladder disc, the lower end of first inner ring channel is connected with first clamping groove, the inner side of first ladder disc is connected with second ladder disc, the inside of second ladder disc is provided with second inner ring channel near the upper end of second ladder disc, the lower end of second inner ring channel is connected with second clamping groove, the outer surface of second ladder disc is connected with first clamping block. The utility model solves the problem of poor heat insulation capacity of traditional plasma furnace, and provides a kind of can solve the problem of low melting rate of the center part of the accumulated product in traditional plasma furnace.

[0004] But the first ladder disc, the second ladder disc and the third ladder disc in the above technical scheme need personnel to use hook to extend into furnace body through pneumatic valve, then hook rotating ring to operate adjustment, since the inlet of pneumatic valve is narrow, this adjustment mode is time-consuming and laborious, inconvenient for personnel to operate, and poor in practicality, therefore, the present application proposes a kind of direct current plasma furnace internal heat conduction structure to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings that the first ladder disc, the second ladder disc and the third ladder disc in prior art need personnel to use hook to extend into furnace body through pneumatic valve, then hook rotating ring to operate adjustment, since the inlet of pneumatic valve is narrow, this adjustment mode is time-consuming and laborious, inconvenient for personnel to operate, and poor in practicality, and proposes a kind of direct current plasma furnace internal heat conduction structure.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme:

[0007] A kind of direct current plasma furnace internal heat conduction structure, including furnace body, the furnace internal heat conduction structure further includes:

[0008] The four supporting legs are fixedly installed at the top ends of the furnace body;

[0009] The furnace door is hinged to the front side of the furnace body;

[0010] The exhaust pipe is fixedly connected to the top end of the furnace body;

[0011] The two electrode plates are fixedly installed on the inner wall of the furnace body;

[0012] The ladder disc assembly comprises a first ladder disc, a second ladder disc and a third ladder disc, the outer side of the first ladder disc is fixedly installed on the inner wall of the furnace body, the bottom end of the second ladder disc extends to the inside of the first ladder disc and is slidably connected with the inner wall of the first ladder disc, and the bottom end of the third ladder disc extends to the inside of the second ladder disc and is slidably connected with the inner wall of the second ladder disc;

[0013] The adjusting assembly is arranged at the bottom of the furnace body and cooperates with the ladder disc assembly.

[0014] As a preferred scheme of the present application, an exhaust valve is fixedly installed in the exhaust pipe.

[0015] As a preferred scheme of the present application, a first annular groove is formed in the inner wall of the first ladder disc, a first limiting ring is fixedly installed on the second ladder disc, the first limiting ring is slidably connected with the first annular groove, a second annular groove is formed in the inner wall of the second ladder disc, and a second limiting ring is fixedly sleeved on the third ladder disc and slidably connected with the second annular groove.

[0016] As a preferred scheme of the present application, the adjusting assembly comprises a transmission rod, a lifting plate, a screw rod, a rotating seat, a nut and two springs, the top end of the transmission rod penetrates through the bottom of the furnace body, the first ladder disc and the second ladder disc and is fixedly installed at the bottom of the third ladder disc, the furnace body, the first ladder disc and the second ladder disc are slidably connected with the transmission rod, the lifting plate is fixedly installed at the bottom end of the transmission rod, the top end of the screw rod is rotatably connected with the bottom of the furnace body, the nut is threadedly sleeved on the screw rod, the nut is fixedly installed on the front side of the lifting plate, the top ends of the two springs are fixedly installed on the bottom of the furnace body, and the bottom ends of the two springs are fixedly installed on the top of the lifting plate.

[0017] As a preferred scheme of the present application, arc-shaped sliding grooves are formed in the left end and the right end of the lifting plate, and the left supporting leg and the right supporting leg are slidably connected in the two arc-shaped sliding grooves respectively.

[0018] As a preferred scheme of the present application, the rotating seat is installed at the bottom of the furnace body, and the bottom end of the screw rod is installed on the rotating seat.

[0019] Beneficial effects:

[0020] 1、 by setting the telescopic cooperation between the first ladder disc, the second ladder disc and the third ladder disc, so that the ladder disc assembly can form a taper, the area of the treated product on the ladder disc assembly contacting with the outside world is increased, and the melting rate of the treated product is accelerated;

[0021] 2、 by rotating the screw and through the threaded connection cooperation between the screw and the nut, the lifting plate and the transmission rod can be driven to move up and down, when the transmission rod moves up, the third ladder disc can be pushed to move up, when the second limiting ring on the third ladder disc moves up to contact with the top inner wall of the second annular groove, the third ladder disc moving up will drive the second ladder disc to move up, at this time, when the first limiting ring on the second ladder disc moves up to contact with the top inner wall of the first annular groove, the first ladder disc, the second ladder disc and the third ladder disc will be stretched out and form a taper;

[0022] The utility model discloses a simple structure realizes the adjustment operation on the outside of furnace body, convenient and fast, save time and effort, improves the adjustment efficiency, and improves the uniform and rapid heating of the treated product in the furnace body, improves the melting efficiency of the treated product, and has high practicality. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the structure three -dimensional front view of the utility model;

[0024] Figure 2 It is the structure section view of the utility model;

[0025] Figure 3 It is the structure schematic view of the furnace body, the supporting leg, the transmission rod, the lifting plate, the arc -shaped sliding slot, the screw, the rotating seat, the nut and the spring of the utility model;

[0026] Figure 4 It is the structure section view of the ladder disc assembly of the utility model.

[0027] In the drawing: 1, furnace body;2, supporting leg;3, furnace door;4, exhaust pipe;5, exhaust valve;6, electrode plate;7, ladder disc assembly;71, first ladder disc;72, second ladder disc;73, third ladder disc;74, first limiting ring;75, second limiting ring;76, first annular groove;77, second annular groove;8, transmission rod;9, lifting plate;10, arc -shaped sliding slot;11, screw;12, rotating seat;13, nut;14, spring. DETAILED DESCRIPTION

[0028] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0029] Embodiment

[0030] With reference to Figures 1-4 A direct current plasma furnace interior heat conduction structure, comprising a furnace body 1, the furnace interior heat conduction structure further comprises:

[0031] Supporting legs 2 are arranged as four, and the top end of the four supporting legs 2 are fixedly installed on the bottom of the furnace body 1;

[0032] A furnace door 3 is hinged on the front side of the furnace body 1;

[0033] An exhaust pipe 4 is fixedly communicated at the bottom end of the furnace body 1;

[0034] Electrode plates 6 are arranged as two, and the two electrode plates 6 are fixedly installed on the inner wall of the furnace body 1;

[0035] A ladder disc assembly 7 comprises a first ladder disc 71, a second ladder disc 72 and a third ladder disc 73, the outer side of the first ladder disc 71 is fixedly installed on the inner wall of the furnace body 1, the bottom end of the second ladder disc 72 extends to the inside of the first ladder disc 71 and is slidably connected with the inner wall of the first ladder disc 71, and the bottom end of the third ladder disc 73 extends to the inside of the second ladder disc 72 and is slidably connected with the inner wall of the second ladder disc 72;

[0036] An adjusting assembly is arranged on the bottom of the furnace body 1, and the adjusting assembly is matched with the ladder disc assembly 7.

[0037] Through the above structure: by setting the telescopic cooperation between the first ladder disc 71, the second ladder disc 72 and the third ladder disc 73, the ladder disc assembly 7 can form a taper, so that the area of the treated product on the ladder disc assembly 7 in contact with the outside world is increased, and the melting rate of the treated product is accelerated.

[0038] As a preferred scheme of the utility model, the exhaust valve 5 is fixedly installed in the exhaust pipe 4, and the exhaust valve 5 can be used to open and close the exhaust pipe 4.

[0039] As a preferred scheme of the utility model, a first annular groove 76 is formed in the inner wall of the first ladder disc 71, a first limiting ring 74 is fixedly installed on the second ladder disc 72, the first limiting ring 74 is slidably connected with the first annular groove 76, a second annular groove 77 is formed in the inner wall of the second ladder disc 72, and a second limiting ring 75 is fixedly sleeved on the third ladder disc 73 and slidably connected with the second annular groove 77, so that the first limiting ring 74 and the first annular groove 76 are slidably matched, and the second limiting ring 75 and the second annular groove 77 are slidably matched, the first ladder disc 71, the second ladder disc 72 and the third ladder disc 73 are slidably limited, and the first ladder disc 71, the second ladder disc 72 and the third ladder disc 73 are prevented from falling off.

[0040] As a preferred scheme of the utility model, the adjusting assembly comprises a transmission rod 8, a lifting plate 9, a screw rod 11, a rotating seat 12, a nut 13 and two springs 14, the top end of the transmission rod 8 penetrates through the bottom of the furnace body 1, the first ladder disc 71 and the second ladder disc 72 respectively and is fixedly installed at the bottom of the third ladder disc 73, the furnace body 1, the first ladder disc 71 and the second ladder disc 72 are all in sliding connection with the transmission rod 8, the lifting plate 9 is fixedly installed at the bottom end of the transmission rod 8, the top end of the screw rod 11 is rotatably connected at the bottom of the furnace body 1, the nut 13 is threadedly sleeved on the screw rod 11, the nut 13 is fixedly installed at the front side of the lifting plate 9, the top end of each of the two springs 14 is fixedly installed at the bottom of the furnace body 1, the bottom end of each of the two springs 14 is fixedly installed at the top of the lifting plate 9, the screw rod 11 is rotated and cooperates with the threaded connection between the screw rod 11 and the nut 13, so that the lifting plate 9 and the transmission rod 8 can be driven to move up and down, when the transmission rod 8 moves up, the third ladder disc 73 can be pushed to move up, when the second limiting ring 75 on the third ladder disc 73 moves up to contact the top inner wall of the second annular groove 77, the third ladder disc 73 moving up can drive the second ladder disc 72 to move up, at this time, when the first limiting ring 74 on the second ladder disc 72 moves up to contact the top inner wall of the first annular groove 76, the first ladder disc 71, the second ladder disc 72 and the third ladder disc 73 can be stretched out and form a taper, here, the adjusting operation is carried out outside the furnace body 1, which is convenient, fast, time-saving and labor-saving, improves the adjusting efficiency and has high practicability.

[0041] As a preferred scheme of the utility model, the left end and the right end of the lifting plate 9 are both provided with arc-shaped sliding grooves 10, the left leg 2 and the right leg 2 are respectively in sliding connection within the two arc-shaped sliding grooves 10, the sliding limiting between the arc-shaped sliding grooves 10 and the legs 2 can make the lifting plate 9 stably move up and down.

[0042] As a preferred scheme of the utility model, the bottom of the furnace body 1 is provided with the rotating seat 12, the bottom end of the screw rod 11 is installed on the rotating seat 12, the rotating seat 12 can stably rotate and support the screw rod 11.

[0043] It should be noted that: specific use of which type of exhaust valve 5 and electrode plate 6, the relevant technical personnel of the field select by themselves, and the above about the exhaust valve 5 and the electrode plate 6 all belong to the prior art, and the scheme is not described in detail.

[0044] The furnace body 1 adopts the prior art, can directly use the structure of the patent with the application number 201921914894.X, so it is not described in detail.

[0045] The utility model discloses a working principle: in use, first connect the device to the external power supply, then through the telescopic cooperation between first ladder tray 71, second ladder tray 72 and third ladder tray 73, so that the ladder tray assembly 7 can form a taper, can make the area of the product to be handled on the ladder tray assembly 7 and the outside contact increase, accelerate the rate of the product to be handled melting, in addition through the rotation screw rod 11 and through the thread connection cooperation between screw rod 11 and nut 13, can drive lifting plate 9 and transmission rod 8 to move up and down, when transmission rod 8 moves up, can push third ladder tray 73 and move up, when second limiting ring 75 on third ladder tray 73 moves up and contacts the top inner wall of second annular groove 77, third ladder tray 73 moves up and drives second ladder tray 72 to move up, when first limiting ring 74 on second ladder tray 72 moves up and contacts the top inner wall of first annular groove 76, first ladder tray 71 and second ladder tray 72 and third ladder tray 73 will stretch out and form a taper here, through the adjustment operation on the outside of furnace body 1, convenient and fast, save time and effort, improve the adjustment efficiency, and the practicality is strong.

[0046] The above is only the preferred embodiment of the utility model, but the protection scope of the utility model does not limit to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and the utility model concept of the utility model, equivalent replacement or change, should cover in the protection scope of the utility model.

Claims

1. A heat conducting structure inside a direct current plasma furnace comprising a furnace body (1), characterized in that, The heat conduction structure inside the furnace further comprises: The four support legs (2) are fixedly installed at the top of the furnace body (1); The furnace door (3) is hinged to the front side of the furnace body (1); The bottom end of the exhaust pipe (4) is fixedly connected to the top end of the furnace body (1); The two electrode plates (6) are fixedly installed on the inner wall of the furnace body (1); The ladder disc assembly (7) comprises a first ladder disc (71), a second ladder disc (72), and a third ladder disc (73), the outer side of the first ladder disc (71) is fixedly installed on the inner wall of the furnace body (1), the bottom end of the second ladder disc (72) extends to the inside of the first ladder disc (71) and is slidably connected with the inner wall of the first ladder disc (71), and the bottom end of the third ladder disc (73) extends to the inside of the second ladder disc (72) and is slidably connected with the inner wall of the second ladder disc (72); The adjusting assembly is arranged at the bottom of the furnace body (1) and cooperates with the ladder disc assembly (7).

2. A DC plasma furnace internal heat conducting structure according to claim 1, wherein The exhaust valve (5) is fixedly installed in the exhaust pipe (4).

3. A DC plasma furnace internal heat conducting structure according to claim 1, wherein A first annular groove (76) is formed in the inner wall of the first ladder disc (71), a first limiting ring (74) is fixedly installed on the second ladder disc (72), the first limiting ring (74) is slidably connected with the first annular groove (76), a second annular groove (77) is formed in the inner wall of the second ladder disc (72), and a second limiting ring (75) is fixedly sleeved on the third ladder disc (73) and slidably connected with the second annular groove (77).

4. A DC plasma furnace internal heat conducting structure according to claim 1, wherein The adjusting assembly comprises a transmission rod (8), a lifting plate (9), a screw rod (11), a rotating seat (12), a nut (13), and two springs (14), the top end of the transmission rod (8) penetrates through the bottom of the furnace body (1), the first ladder disc (71), and the second ladder disc (72) and is fixedly installed at the bottom of the third ladder disc (73), the furnace body (1), the first ladder disc (71), and the second ladder disc (72) are slidably connected with the transmission rod (8), the lifting plate (9) is fixedly installed at the bottom end of the transmission rod (8), the top end of the screw rod (11) is rotatably connected to the bottom of the furnace body (1), the nut (13) is threadedly sleeved on the screw rod (11), the nut (13) is fixedly installed on the front side of the lifting plate (9), the top ends of the two springs (14) are fixedly installed on the bottom of the furnace body (1), and the bottom ends of the two springs (14) are fixedly installed on the top of the lifting plate (9).

5. A DC plasma furnace internal heat conducting structure according to claim 4, wherein Arc-shaped sliding grooves (10) are formed in the left end and the right end of the lifting plate (9), and the left support leg (2) and the right support leg (2) are slidably connected in the two arc-shaped sliding grooves (10), respectively.

6. A DC plasma furnace internal heat conducting structure according to claim 4, wherein The rotating seat (12) is installed at the bottom of the furnace body (1), and the bottom end of the screw rod (11) is installed on the rotating seat (12).

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