Expandable graphite preparation device

Abstract

The utility model relates to the technical field of expanded graphite, and provides an expandable graphite preparation device which comprises a preparation column, a polytetrafluoroethylene net-shaped inner cylinder used for chemical reaction is fixedly installed on the inner side wall of the preparation column, and a stainless steel outer cylinder used for electrification is arranged on the outer side of the polytetrafluoroethylene net-shaped inner cylinder in a sleeved mode. The outer sides of the polytetrafluoroethylene net-shaped inner cylinder and the stainless steel outer cylinder are fixedly connected with the inner side wall of the preparation column; according to the expandable graphite preparation device, raw materials placed at any position can be extracted more conveniently through the arranged feeding assembly, the convenience of feeding operation of the whole preparation device is improved, then the raw materials are conveyed into the charging assembly, and the raw materials are input into the preparation column through the charging assembly; the screw rod and the stainless steel outer cylinder in the preparation column are in cathode and anode states after being electrified, so that raw materials react under the action of the cathode, the anode and the polytetrafluoroethylene net-shaped inner cylinder to generate expanded graphite which is output outwards from the other end.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of expanded graphite, specifically, and relates to an expanded graphite preparation device. BACKGROUND

[0002] Expanded graphite is a loose porous worm-like material obtained by intercalation treatment of high-quality natural flake graphite with strong acid and strong oxidizing agent and high-temperature expansion. Expanded graphite also inherits the properties of natural flake graphite, having extremely strong electrical conductivity, high-temperature resistance, corrosion resistance, and radiation resistance. Compared with natural flake graphite, expanded graphite has a loose, porous, and curved structure, lower density, larger volume and surface area, and higher surface energy, and has extremely strong shock resistance, twist resistance, pressure resistance, and adsorption.

[0003] A continuous expanded graphite preparation device is disclosed in Chinese Patent Publication No. CN205275214U. The device includes a polytetrafluoroethylene mesh inner cylinder, a stainless steel cylinder, and a polypropylene outer cylinder. The polytetrafluoroethylene mesh inner cylinder, the stainless steel cylinder, and the polypropylene outer cylinder are sequentially sleeved from the inside out. A screw is arranged in the polytetrafluoroethylene mesh inner cylinder. The input end of the screw is connected to the output shaft of a transmission system. The discharge end of a hopper is fixed to the hopper mounting hole through a hopper support. The output end of the cylinder is provided with a discharge port. The screw is connected to the negative electrode of a direct current power supply in an electrical control cabinet and forms a cathode screw. The stainless steel cylinder is inserted into the transmission system and connected to a connecting piece. The connecting piece is electrically connected to the positive electrode of the direct current power supply in the electrical control cabinet and forms an anode stainless steel cylinder. However, this device requires additional equipment or manual addition of raw materials to the hopper, which is time-consuming and labor-intensive. Moreover, the position of the feeding port cannot be adjusted according to the location of the raw materials, which further increases the complexity and inconvenience of feeding. SUMMARY

[0004] The utility model aims to provide a kind of expanded graphite preparation device, solve the problem that in the related art, cannot more conveniently according to the position of raw materials, so that the position of feeding port is adjusted and changes, and then further increase the complexity and inconvenience of feeding.

[0005] The technical solution of the utility model is as follows:

[0006] The utility model provides an expandable graphite preparation device, including preparation column, the inner side wall of preparation column is fixedly installed with the polytetrafluoroethylene net inner cylinder for chemical reaction, the outer side of polytetrafluoroethylene net inner cylinder is equipped with the stainless steel outer cylinder for power supply, the outer side of polytetrafluoroethylene net inner cylinder and stainless steel outer cylinder is fixedly connected with the inner side wall of preparation column, the inner side wall of preparation column is rotatably connected with the spiral rod for conveying raw materials and power supply, the top of preparation column is provided with the feeding assembly for auxiliary feeding, the top of feeding assembly is provided with the feeding assembly for feeding, the feeding assembly includes the feeding tank for feeding storage, the inner side wall of one side of feeding tank is rotatably connected with the bulb for feeding, the outer side of bulb is fixedly installed with the first one-way pipe for one-way feeding, one end of first one-way pipe is fixedly installed with the feeding pipe for feeding delivery.

[0007] Preferably, the feeding assembly further includes a feeding piston slidingly connected to the inner side wall of the feeding tank, and a reciprocating frame fixedly installed at the top end of the feeding piston.

[0008] Preferably, the feeding assembly further includes a drive rod rotatably connected to the top end inner wall of the feeding tank, and a reciprocating rotating rod fixedly installed at one end of the drive rod, and slidingly connected to the top end inner wall of the reciprocating frame.

[0009] Preferably, the feeding assembly includes a feeding tank arranged at the top end of the preparation column, and a second one-way pipe fixedly installed at both ends of the feeding tank, wherein the top end of one of the second one-way pipes is in communication with the bottom end of the feeding tank, and the bottom end of the other second one-way pipe is fixedly connected to the inner side wall of the preparation column.

[0010] Preferably, the feeding assembly further includes a steering rod rotatably connected to the inner side wall of the feeding tank, and a plurality of partition plates fixedly installed at the outer side of the steering rod.

[0011] Preferably, the outer side of the feeding tank is fixedly installed with a first outer cover and a second outer cover, respectively, and the bottom end of the first outer cover and the second outer cover is fixedly connected to the top end of the preparation column, the outer side of the second outer cover is fixedly connected to the outer side of the feeding tank, the inner side wall of the first outer cover is rotatably connected to one end of the steering rod, and the inner side wall of the second outer cover is rotatably connected to the other end of the drive rod and the steering rod, respectively.

[0012] Preferably, the other end of the drive rod, both ends of the steering rod, and one end of the spiral rod are fixedly installed with a pulley, and the outer side of the pulley is respectively sleeved with a first transmission belt and a second transmission belt.

[0013] Preferably, one end of the preparation column is fixedly installed with a driving motor, an output end of the driving motor is fixedly connected with one end of the spiral rod, the other end of the preparation column is fixedly installed with a discharge pipe, and the bottom end of the preparation column is fixedly installed with a support seat.

[0014] The present application has the advantages of:

[0015] The feeding assembly can conveniently extract the raw materials placed at any position, and the feeding operation of the whole preparation device is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0016] The present application will be further described in detail below in combination with the drawings and specific embodiments.

[0017] Figure 1 It is a whole structure schematic view of the present application;

[0018] Figure 2 It is an internal structure schematic view of the feeding box of the present application;

[0019] Figure 3 It is an internal structure schematic view of the preparation column of the present application;

[0020] Figure 4 It is an internal structure schematic view of the feeding box of the present application;

[0021] Figure 5 It is a structure schematic view of the feeding assembly of the present application.

[0022] In the figure: 1, preparation column; 2, polytetrafluoroethylene mesh inner cylinder; 21, stainless steel outer cylinder; 3, spiral rod; 4, feeding assembly; 41, feeding box; 42, second one-way pipe; 43, turning rod; 44, partition plate; 5, feeding assembly; 51, feeding box; 52, bulb; 53, first one-way pipe; 54, feeding pipe; 55, feeding piston; 56, reciprocating frame; 57, driving rod; 58, reciprocating turning rod; 6, first outer cover; 7, second outer cover; 8, belt wheel; 81, first transmission belt; 82, second transmission belt; 9, driving motor; 10, discharge pipe; 11, support seat. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor are within the scope of protection of the present application.

[0024] Please refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 5The embodiment provides a device for preparing expandable graphite, which comprises a preparation column 1, a polytetrafluoroethylene net-shaped inner cylinder 2 for chemical reaction is fixedly installed on the inner side wall of the preparation column 1, a stainless steel outer cylinder 21 for power supply is sleeved on the outer side of the polytetrafluoroethylene net-shaped inner cylinder 2, the outer sides of the polytetrafluoroethylene net-shaped inner cylinder 2 and the stainless steel outer cylinder 21 are fixedly connected with the inner side wall of the preparation column 1, a spiral rod 3 for conveying raw materials and power supply is rotationally connected to the inner side wall of the preparation column 1, a feeding assembly 4 for assisting feeding is arranged at the top end of the preparation column 1, a feeding assembly 5 for feeding is arranged at the top of the feeding assembly 4, the feeding assembly 5 comprises a feeding box 51 for feeding storage, a bulb tube 52 for feeding is rotationally connected to the inner side wall of one side of the feeding box 51, a first one-way tube 53 for one-way feeding is fixedly installed on the outer side of the bulb tube 52, a feeding tube 54 for feeding conveying is fixedly installed at one end of the first one-way tube 53, the feeding assembly 5 further comprises a feeding piston 55 which is slidingly connected to the inner side wall of the feeding box 51, a reciprocating frame 56 is fixedly installed at the top end of the feeding piston 55, the inner side wall of the reciprocating frame 56 is slidingly connected with the inner side wall of the feeding box 51, the feeding assembly 5 further comprises a driving rod 57 which is rotationally connected to the top end inner wall of the feeding box 51, a reciprocating rotating rod 58 is fixedly installed at one end of the driving rod 57, the bottom end of the reciprocating rotating rod 58 is slidingly connected with the top end inner wall of the reciprocating frame 56, a driving motor 9 is fixedly installed at one end of the preparation column 1, the output end of the driving motor 9 is fixedly connected with one end of the spiral rod 3, a discharging pipe 10 is fixedly installed at the other end of the preparation column 1, a supporting seat 11 is fixedly installed at the bottom end of the preparation column 1, when the device is used for preparing expandable graphite, the rotation of the bulb tube 52 on the feeding box 51 can be operated, so that the feeding port of the feeding tube 54 can be moved to the position of the raw materials, at this time, the rotation of the driving rod 57 in the feeding box 51 can be realized, the driving rod 57 can drive the reciprocating rotating rod 58 to rotate, so that the reciprocating frame 56 can slide in the reciprocating frame 56 and reciprocatingly ascend and descend in the feeding box 51, then the feeding piston 55 can reciprocatingly slide in the feeding box 51, when the feeding piston 55 moves upward, the feeding tube 54 can extract the raw materials, and then the raw materials can be conveyed to the inside of the feeding box 51 through the first one-way tube 53 and the bulb tube 52, when the feeding piston 55 slides downward, the first one-way tube 53 is in a closed state, so that the raw materials can be conveyed to the lower part of the feeding box 51, so that the feeding assembly 4 which is in communication with the feeding assembly 4 can continuously convey the raw materials into the preparation column 1, because the spiral rod 3 in the preparation column 1 is driven by the driving motor 9 and is started to make the spiral rod 3 and the stainless steel outer cylinder 21 in a cathode and anode state, so that the raw materials can react with the polytetrafluoroethylene net-shaped inner cylinder 2 after entering the preparation column 1, and expandable graphite is prepared and outputted from the discharging pipe 10;

[0025] Please refer to Figure 2 and Figure 4The embodiment provides the expandable graphite preparation device, the feeding assembly 4 comprises a feeding box 41 arranged at the top end of the preparation column 1, second one-way pipes 42 are fixedly installed at two ends of the feeding box 41, the top end of one of the second one-way pipes 42 is in communication with the bottom end of the feeding box 51, and the bottom end of the other second one-way pipe 42 is fixedly connected with the inner side wall of the preparation column 1, the feeding assembly 4 further comprises a steering rod 43 which is rotatably connected through the inner side wall of the feeding box 41, a plurality of partition plates 44 are fixedly installed on the outer side of the steering rod 43, a first outer cover 6 and a second outer cover 7 are fixedly installed on the outer side of the feeding box 41, the bottom end of the first outer cover 6 and the bottom end of the second outer cover 7 are fixedly connected with the top end of the preparation column 1, the outer side of the second outer cover 7 is fixedly connected with the outer side of the feeding box 51, the inner side wall of the first outer cover 6 is rotatably connected with one end of the steering rod 43, the inner side wall of the second outer cover 7 is rotatably connected with the other end of the steering rod 43 and the driving rod 57, the other end of the driving rod 57, the two ends of the steering rod 43 and one end of the spiral rod 3 are fixedly installed with a belt wheel 8, the outer side of the belt wheel 8 is respectively sleeved with a first transmission belt 81 and a second transmission belt 82, when the raw materials in the feeding box 51 are downwardly conveyed, the second one-way pipe 42 conveys the raw materials to the inside of the feeding box 41, the steering rod 43 in the feeding box 41 is synchronously rotated with the spiral rod 3 through the action of the belt wheel 8 and the first transmission belt 81, the raw materials in the feeding box 41 are conveyed to the inside of the preparation column 1 through the second one-way pipe 42 below, the driving rod 57 is synchronously rotated through the belt wheel 8 and the second transmission belt 82 while the steering rod 43 is rotating, so that the feeding piston 55 can be reciprocatingly lifted, and when the feeding piston 55 in the feeding box 51 slides upwards, the second one-way pipe 42 is in a closed state, so that the raw materials in the feeding box 41 are prevented from being sucked back to the inside of the feeding box 51.

[0026] In use, first, the feeding pipe 54 is rotated on the feeding box 51 through the ball pipe 52, so that the feeding pipe 54 is adjusted in direction according to the position of the raw material, and then the driving rod 57 is rotated in the feeding box 51 and drives the feeding piston 55 to reciprocate up and down, so that the air in the feeding box 51 is guided, the feeding pipe 54 is used to pump the raw material upward to the inside of the feeding box 51 and then downward to the inside of the feeding box 41, thereby increasing the convenience of the feeding operation of the whole preparation device, and then the raw material placed at any position can be extracted and delivered to the inside of the feeding box 41, and then the raw material is input into the inside of the preparation column 1 through the rotation of the steering rod 43, and the spiral rod 3 and the stainless steel outer cylinder 21 in the inside of the preparation column 1 are electrified at the same time, so that the inside and outside of the polytetrafluoroethylene mesh inner cylinder 2 are in the state of cathode and anode, and then the raw material is input into the inside of the preparation column 1, and then the raw material is reacted to generate expanded graphite under the action of the polytetrafluoroethylene mesh inner cylinder 2, the cathode and the anode, and then the expanded graphite is output from the other end.

[0027] The above is only a preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. An expandable graphite preparation device comprising a preparation column (1), the inner side wall of the preparation column (1) is fixedly installed with a polytetrafluoroethylene mesh inner cylinder (2) for chemical reaction, the outer side of the polytetrafluoroethylene mesh inner cylinder (2) is sleeved with a stainless steel outer cylinder (21) for power supply, characterized in that, The outer side of the polytetrafluoroethylene reticular inner cylinder (2) and the stainless steel outer cylinder (21) is fixedly connected with the inner side wall of the preparation column (1), the inner side wall of the preparation column (1) is rotatably connected with a spiral rod (3) for conveying raw materials and power supply, the top end of the preparation column (1) is provided with a feeding assembly (4) for assisting feeding, the top of the feeding assembly (4) is provided with a feeding assembly (5) for feeding, the feeding assembly (5) comprises a feeding box (51) for feeding storage, the inner wall of one side of the feeding box (51) is rotatably connected with a ball tube (52) for feeding, the outer side of the ball tube (52) is fixedly installed with a first one-way pipe (53) for one-way feeding, and the one end of the first one-way pipe (53) is fixedly installed with a feeding pipe (54) for feeding conveying.

2. The device for preparing expandable graphite according to claim 1, wherein The feeding assembly (5) further comprises a feeding piston (55) slidably connected to the inner side wall of the feeding box (51), and the top end of the feeding piston (55) is fixedly installed with a reciprocating frame (56), and the inner side wall of the reciprocating frame (56) is slidably connected with the inner side wall of the feeding box (51).

3. The device for preparing expandable graphite according to claim 2, wherein The feeding assembly (5) further comprises a driving rod (57) rotatably connected to the top end inner wall of the feeding box (51), one end of the driving rod (57) is fixedly installed with a reciprocating rotating rod (58), and the bottom end of the reciprocating rotating rod (58) is slidably connected with the top end inner wall of the reciprocating frame (56).

4. The device for preparing expandable graphite according to claim 3, wherein The feeding assembly (4) comprises a feeding box (41) provided at the top end of the preparation column (1), and the two ends of the feeding box (41) are fixedly installed with second one-way pipes (42), one end of the second one-way pipe (42) is communicated with the bottom end of the feeding box (51), and the other end of the second one-way pipe (42) is fixedly connected with the inner side wall of the preparation column (1).

5. The expandable graphite production apparatus according to claim 4, wherein The feeding assembly (4) further comprises a steering rod (43) rotatably connected through the inner side wall of the feeding box (41), and the outer side of the steering rod (43) is fixedly installed with a plurality of partition plates (44).

6. The expandable graphite preparation apparatus according to claim 5, wherein The outer side of the feeding box (41) is respectively fixedly installed with a first outer cover (6) and a second outer cover (7), the bottom end of the first outer cover (6) and the second outer cover (7) is fixedly connected with the top end of the preparation column (1), the outer side of the second outer cover (7) is fixedly connected with the outer side of the feeding box (51), the inner side wall of the first outer cover (6) is rotatably connected with one end of the steering rod (43), and the inner side wall of the second outer cover (7) is rotatably connected with the driving rod (57) and the other end of the steering rod (43).

7. The expandable graphite production apparatus according to claim 6, wherein The other end of the driving rod (57), the two ends of the steering rod (43) and one end of the spiral rod (3) are fixedly installed with a belt wheel (8), and the outer side of the belt wheel (8) is respectively sleeved with a first transmission belt (81) and a second transmission belt (82).

8. The expandable graphite production apparatus according to claim 1, wherein One end of the preparation column (1) is fixedly installed with a driving motor (9), and the output end of the driving motor (9) is fixedly connected with one end of the spiral rod (3). The other end of the preparation column (1) is fixedly installed with a discharge pipe (10), and the bottom end of the preparation column (1) is fixedly installed with a supporting seat (11).

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