CN215447426U - Preparation graphite paper dross removal mechanism - Google Patents
Preparation graphite paper dross removal mechanism Download PDFInfo
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- CN215447426U CN215447426U CN202121535174.XU CN202121535174U CN215447426U CN 215447426 U CN215447426 U CN 215447426U CN 202121535174 U CN202121535174 U CN 202121535174U CN 215447426 U CN215447426 U CN 215447426U
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Abstract
The utility model relates to a deslagging device for preparing graphite paper, which is used in the technical field of graphite paper preparation. The device comprises a puffing heating furnace, a burner, a cyclone slag remover, a star-shaped discharger, a conveying pipe, a gravity slag remover, a bag-type dust remover, a graphite paper machine, a graphite pipe, a graphite cover, a closed end, an open end, a transverse plate, a vertical plate, a screen shaft, a conical hopper, a dust removing pipe, a fan, a vertical bin, a motor and a gravity slag removing pipe. The utility model discloses a simple structure, easily make, popped graphite deslagging is effectual, can separate not complete popped graphite or dead worm and the good graphite of popped at popped in-process, through cyclone deslagging, gravity slag removal, screen cloth slagging-off, to the contrastive analysis of sediment around the feeding, the slagging-off rate reaches 99%, and the energy can be saved is more than 30%, can reduce manufacturing cost effectively, improves the flexibility of graphite paper.
Description
Technical Field
The utility model belongs to the technical field of graphite paper preparation, and particularly relates to a slag removing device for preparing graphite paper.
Background
The graphite paper is made up by using high-carbon phosphorus flake graphite through the processes of chemical treatment and high-temp. expansion rolling, and is the basic material for making various graphite sealing elements. The expandable graphite is prepared by high-temperature expansion, natural crystalline flake graphite is subjected to oxidation intercalation reaction, a compound is inserted between graphite sheets to form graphite with interlayer intercalation substances, the interlayer intercalation substances are rapidly vaporized by high heat at high temperature, the formed gas generates huge support tension on the graphite sheets, so that the expandable graphite is expanded, the expansion multiple is as high as dozens of times to hundreds of times or even thousands of times, and the apparent volume after expansion is 250-one-step volume (mL/g) or more. The expanded graphite is vermiform, ranging in size from a few tenths of a millimeter to several millimeters, and has a number of unique network-like microporous structures inside, called expanded graphite or graphite worms.
The graphite paper is a flexible material, and the higher the flexibility is, the better, and the lower the graphite paper impurity is, the better. The impurities in the graphite paper, i.e. the residues of the expanded graphite, are derived from the raw materials used for preparing the expandable graphite, such as silicon, aluminum, iron and oxides thereof, and are the graphite which is not expanded in the graphite worms. The existence of the two impurities greatly reduces the flexibility of the graphite paper, reduces the quality of the graphite paper and influences the application of the graphite paper in the high-tech field.
In the prior art, a puffing furnace is adopted in the technical field of graphite paper preparation, a slag discharging port is arranged below the puffing furnace, large-particle impurities in puffed graphite can be removed through the slag discharging port, the slag discharging rate is low, small graphite particles which are not puffed can not be removed, and the prepared graphite paper with the slag discharging port as a raw material is low in flexibility and poor in quality.
In order to solve the problem, the research on the graphite paper slag discharging device which has a simple structure, a good slag discharging effect, is easy to process and manufacture and can be produced continuously has important significance.
Disclosure of Invention
This use neotype aim at overcome prior art not enough and defect, provide a preparation graphite paper dross removal mechanism.
The technical problem is solved by the following technical scheme. A preparation graphite paper dross removal mechanism, including popped heating furnace, combustor, cyclone slag remover, star type tripper, conveyer pipe, gravity slag remover, sack cleaner, graphite paper machine, graphite pipe, graphite cover, blind end, open end, diaphragm, riser, screen cloth axle, conical funnel, dust removal pipe, fan, vertical feed bin, motor, gravity slag removal pipe.
The puffing heating furnace comprises a feeding pipe, a feeding hole, a gas port, a combustion pipe, a slag discharging hole, a discharging pipe, a discharging hole, a temperature measuring hole, a central pipe, an upper central pipe inlet and a baffle plate;
the cyclone slag remover comprises a cyclone inlet and a cyclone outlet;
the gravity slag remover comprises a gravity slag removing inlet, a gravity slag removing outlet and a gate plate; the gravity deslagging inlet is arranged on the lower side surface, the gravity deslagging outlet is arranged on the upper side surface opposite to the gravity deslagging inlet, and the shutter plate which can be opened and closed is arranged below the gravity deslagging outlet;
the puffing heating furnace is cylindrical and is arranged on the bracket, the middle of the furnace body, namely a cavity where the central pipe is positioned, is a cylindrical puffing cavity, and the outer side of the puffing cavity is provided with an insulating layer; the height of the expansion cavity is 1500-plus-1800 mm, the diameter is 500-plus-1000 mm, a central pipe is arranged in the center of the expansion cavity, the diameter of the central pipe is 160-plus-520 mm, the upper part of the central pipe is an inlet on the central pipe, and the lower part of the central pipe is a slag discharge port; the upper inlet of the central pipe is positioned inside the expansion cavity, the distance from the upper end of the expansion cavity is 100-plus-300 mm, the slag discharge port is positioned outside the expansion cavity and passes through the heat insulation layer and then 200-plus-500 mm outside the furnace body;
the baffle is round and is arranged in the puffing cavity; the temperature measuring port is arranged on the side wall of the furnace body;
the bottom of the furnace body is provided with a horizontal high-temperature gas combustion pipe, and high-temperature gas with a certain flow rate and hot air with a certain flow rate from a combustor enter the puffing cavity from the combustion pipe;
the gas port is arranged on the combustion pipe and is circular, the combustion pipe is vertically connected with the central pipe, and materials coming in from the combustion pipe enter the central pipe through the combustion pipe;
the feeding pipe and the combustion pipe form an angle of 30-45 degrees, the graphite raw material is added into the feeding pipe, slides into the combustion pipe under the action of gravity, and under the blowing of high-temperature fuel gas and hot air with certain flow rate, the graphite feeding mode by utilizing gas is realized, and graphite is heated and expanded at the same time, so that the graphite raw material is uniformly heated; due to the input of high-temperature fuel gas, the puffing cavity and the central tube can be heated; the discharge pipe is arranged at the lower part of the puffing heating furnace.
When the puffing heating furnace works, the graphite raw material is added into the feeding pipe and enters the combustion pipe under the action of gravity, and because the contact area of the graphite and the high-temperature fuel gas is large, the graphite is uniformly heated, and the graphite begins to puff in the combustion pipe. Under the blowing of high-speed fuel gas and hot air, the expanded and incompletely expanded graphite raw materials enter the central tube through the feeding hole and the combustion tube, so that the incompletely expanded graphite is continuously expanded in the central tube.
Because the graphite density after the bulking reduces, under hot-blast blowing, along center tube upward movement, the entrance spills over on the center tube, under blockking of baffle, falls into in the discharging tube, from the discharge gate ejection of compact of bottom. The graphite or dead insects which are not fully expanded in the central tube are discharged from the slag discharge port.
The bulking heating furnace can discharge large-particle impurities from the slag discharge port. The material discharged from the expansion heating furnace also contains a large amount of fine particle impurities, and further impurity removal is needed.
The discharge port of the discharge pipe is connected with a cyclone inlet of a cyclone slag remover, the upper part of the cyclone slag remover is a cyclone outlet, the lower part of the cyclone slag remover is connected with a star-shaped discharger, one end of a conveying pipe is connected with the cyclone outlet, and the other end of the conveying pipe is connected with a gravity slag removal inlet; one end of the gravity slag removal pipe is connected to the gravity slag removal outlet, the other end of the gravity slag removal pipe is connected to the graphite pipe, and the lower end of the graphite pipe is connected with the graphite cover;
the graphite cover is a circular truncated cone-shaped cover, one end of the graphite cover is a closed end, the other end of the graphite cover is an open end, the closed end is close to the screen, and the screen can move below the closed end according to the movement direction of the screen; the open end is not closed, a transverse plate is connected, a vertical plate is arranged below the transverse plate and connected to a vertical stock bin, a graphite paper machine is arranged below the vertical stock bin, and expanded graphite coming from the vertical stock bin is directly injected onto a conveying belt of the graphite paper machine.
The screen is a plane annular net and is supported by three triangular screen shafts, and one screen shaft is connected with a motor to enable the screen to rotate towards the vertical stock bin; the upper surface of the screen is opposite to the graphite cover, the lower surface of the screen is provided with a conical funnel, the lower surface of the conical funnel is connected with a dust removal pipe, the dust removal pipe is connected with a fan, and one discharging end of the dust removal pipe is connected with a bag-type dust remover.
When the device works, in the heating and puffing furnace, the puffed graphite is taken away along with the flow of hot air due to relatively low density, and the graphite with relatively high density and poor puffing effect or the graphite with large slag content is discharged from a slag discharge port of the puffing heating furnace under the action of gravity. After the expanded graphite is discharged from the discharge port of the expansion heating furnace, the expanded graphite enters a cyclone slag remover through a cyclone inlet, the expanded graphite rotates in the cyclone slag remover, slag is separated from air flow by means of centrifugal force and the wall of the cyclone slag remover is collected, and then slag particles fall into an ash bucket under the action of gravity, so that the slag is removed.
The expanded graphite comes out from cyclone, gets into gravity slag separator through the conveyer pipe, separates out the sediment in the graphite worm through the collision, and the bottom is sunk to heavily, through opening the regular clearance of flashboard. Light particles come out from the gravity slag remover and enter the screen for slag removal, and the slag particles enter the conical hopper through the screen for removal under the action of wind power of the fan.
The utility model discloses a simple structure, easily make, popped graphite deslagging is effectual, can separate not complete popped graphite or dead worm and the good graphite of popped at popped in-process, through cyclone deslagging, gravity slag removal, screen cloth slagging-off, to the contrastive analysis of sediment around the feeding, the slagging-off rate reaches 99%, and the energy can be saved is more than 30%, can reduce manufacturing cost effectively, improves the flexibility of graphite paper.
Drawings
FIG. 1 is a schematic structural diagram of a graphite paper deslagging device.
The figure is as follows:
the device comprises a puffing heating furnace 1, a combustor 2, a cyclone slag remover 3, a star-shaped discharger 4, a conveying pipe 5, a gravity slag remover 6, a bag-type dust remover 7, a graphite paper machine 8, a graphite pipe 9, a graphite cover 10, a closed end 11, an open end 12, a transverse plate 13, a vertical plate 14, a screen 15, a screen shaft 16, a conical hopper 17, a dust removing pipe 18, a fan 19, a vertical silo 20, a motor 21 and a gravity slag removing pipe 22.
1-1 feeding pipe, 1-2 feeding ports, 1-3 gas ports, 1-4 combustion pipes, 1-5 slag discharging ports, 1-6 discharging pipes, 1-7 discharging ports, 1-8 temperature measuring ports, 1-9 central pipes, 1-10 central pipe upper inlets and 1-11 baffle plates;
3-1 cyclone inlet and 3-2 cyclone outlet;
6-1 gravity deslagging inlet, 6-2 gravity deslagging outlet and 6-3 flashboard.
Detailed Description
As shown in attached figure 1, the deslagging device for preparing graphite paper comprises a puffing heating furnace 1, a combustor 2, a cyclone deslagging device 3, a star-shaped discharger 4, a conveying pipe 5, a gravity deslagging device 6, a bag-type dust remover 7, a graphite paper machine 8, a graphite pipe 9, a graphite cover 10, a closed end 11, an open end 12, a transverse plate 13, a vertical plate 14, a screen 15, a screen shaft 16, a conical hopper 17, a dedusting pipe 18, a fan 19, a vertical stock bin 20 and a motor 21.
The puffing heating furnace 1 comprises a feeding pipe 1-1, a feeding port 1-2, a gas port 1-3, a gas pipe 1-4, a slag discharge port 1-5, a discharging pipe 1-6, a discharging port 1-7, a temperature measuring port 1-8, a central pipe 1-9, an upper inlet 1-10 of the central pipe and a baffle 1-11;
the cyclone slag remover 3 comprises a cyclone inlet 3-1 and a cyclone outlet 3-2;
the gravity slag remover 6 comprises a gravity slag removing inlet 6-1, a gravity slag removing outlet 6-2 and a gate plate 6-3; the gravity deslagging inlet 6-1 is arranged on the lower side surface, the gravity deslagging outlet 6-2 is arranged on the upper side surface opposite to the gravity deslagging inlet 6-1, and the shutter 6-3 which can be opened and closed is arranged below the gravity deslagging inlet;
the puffing heating furnace 1 is cylindrical and is arranged on the bracket, the middle of the furnace body, namely a cavity where the central pipes 1-9 are positioned, is a cylindrical puffing cavity, and the outer side of the puffing cavity is provided with a heat insulation layer; the height of the expansion cavity is 1500-1800mm, the diameter is 500-1000mm, a central tube 1-9 is arranged in the center of the expansion cavity, the diameter of the central tube 1-9 is 160-520mm, the upper part of the central tube 1-9 is an inlet 1-10 on the central tube, and the lower part is a slag discharge port 1-5; the upper inlet 1-10 of the central pipe is arranged in the expansion cavity, the distance from the upper end of the expansion cavity is 300mm, the slag discharge port 1-5 is arranged outside the expansion cavity and passes through the heat insulation layer and then is 200 mm and 500mm outside the furnace body;
the baffle plates 1-11 are round plates and are arranged in the puffing cavity; the temperature measuring ports 1-8 are arranged on the side wall of the furnace body;
the bottom of the furnace body is provided with horizontal high-temperature gas combustion pipes 1-4, and high-temperature gas with certain flow rate and hot air with certain flow rate from a combustor 2 enter the puffing cavity from the combustion pipes;
the gas port is arranged on the combustion pipe 1-4 and is circular, the combustion pipe 1-4 is vertically connected with the central pipe 1-9, and the material coming from the combustion pipe 1-4 enters the central pipe 1-9 through the combustion pipe 1-4;
the feeding pipe 1-1 and the combustion pipe 1-4 form an angle of 30-45 degrees, the graphite raw material is added into the feeding pipe 1-1 and slides into the combustion pipe 1-4 under the action of gravity, under the blowing of high-temperature fuel gas and hot air with certain flow rate, the graphite feeding mode by utilizing gas is realized, and simultaneously, the graphite is heated and expanded, and the graphite raw material is uniformly heated in the heating mode; due to the input of high-temperature fuel gas, the puffing cavity and the central tube 1-9 can be heated; the discharging pipe 1-6 is arranged at the lower part of the puffing heating furnace 1.
When the puffing heating furnace 1 works, graphite raw materials are added into the feeding pipe 1-1 and enter the combustion pipe 1-4 under the action of gravity, and because the contact area of the graphite and high-temperature fuel gas is large and the graphite is heated uniformly, the graphite begins to puff in the combustion pipe 1-4. Under the blowing of high-speed fuel gas and hot air, the expanded and incompletely expanded graphite raw materials enter the central tube 1-9 through the feed inlet 1-2 and the combustion tube 1-4, so that the graphite which is not completely expanded is continuously expanded in the central tube 1-9.
Due to the fact that the density of the expanded graphite is reduced, the expanded graphite moves upwards along the central tube 1-9 under the blowing of hot air, overflows from the position of an inlet 1-10 on the central tube, falls into the discharging tube 1-6 under the blocking of the baffle plate 1-11, and is discharged from a discharging hole 1-7 at the bottom end. The graphite or dead insects which are not fully expanded in the central pipes 1-9 are discharged from the slag discharge openings 1-5.
The puffing heating furnace 1 can discharge large-particle impurities from the slag discharge port 1-5. The material discharged from the expansion heating furnace 1 also contains a large amount of fine particle impurities, and further impurity removal is required.
A discharge port 1-7 of a discharge pipe 1-6 is connected with a cyclone inlet 3-1 of a cyclone slag remover 3, the upper part of the cyclone slag remover 3 is a cyclone outlet 3-2, the lower part of the cyclone slag remover is connected with a star-shaped discharger 4, one end of a conveying pipe 5 is connected with the cyclone outlet 3-2, and the other end of the conveying pipe is connected with a gravity slag removing inlet 6-1; one end of the gravity deslagging pipe 22 is connected to the gravity deslagging outlet 6-2, the other end is connected to the graphite pipe 9, and the lower end of the graphite pipe 9 is connected to the graphite cover 10;
the graphite cover 10 is a circular truncated cone-shaped cover, one end of the graphite cover is a closed end 11, the other end of the graphite cover is an open end 12, the closed end 11 is close to the screen 15, and the screen 15 can move below the closed end 11 according to the movement direction of the screen 15; the open end 12 is not closed, a transverse plate 13 is connected, a vertical plate 14 is arranged below the transverse plate 13, the vertical plate 14 is connected to a vertical bin 20, the graphite paper machine 8 is arranged below the vertical bin 20, and expanded graphite from the vertical bin 20 is directly injected onto a conveying belt of the graphite paper machine 8.
The screen 15 is a plane annular net and is supported by three triangular screen shafts 16, and one screen shaft 16 is connected with a motor 21 to ensure that the screen 15 rotates towards the vertical bin 20; the upper surface of the screen 15 is opposite to the graphite cover 10, the lower surface of the screen 15 is provided with a conical funnel 17, the lower surface of the conical funnel 17 is connected with a dust removal pipe 18, the dust removal pipe 18 is connected with a fan 19, and the discharging end of the dust removal pipe 18 is connected with a bag-type dust remover 7.
When the device works, in the heating and expanding furnace 1, the expanded graphite is taken away along with the flow of hot air due to relatively low density, and the graphite with relatively high density and poor expanding effect or the graphite with high slag content is discharged from a slag discharge port 1-5 of the expanding furnace 1 under the action of gravity. After the expanded graphite comes out from a discharge port 1-7 of the expansion heating furnace 1, the expanded graphite enters a cyclone slag remover 3 through a cyclone inlet 3-1, the expanded graphite rotates in the cyclone slag remover 3, slag is separated from air flow by means of centrifugal force and the wall of the separator is collected, and then slag particles fall into an ash bucket by means of gravity, so that the slag is removed.
The expanded graphite comes out from cyclone cleaner 3, enters gravity cleaner 6 through delivery pipe 5, separates out the sediment in the graphite worm through the collision, and heavy sinks to the bottom, through opening flashboard 6-3 clearance regularly. The light particles are removed from the gravity cleaner 6 and passed into a screen 15 where they are removed by the force of a fan 19 which forces the particles through the screen 15 and into a cone hopper 17.
The utility model discloses a simple structure, easily make, popped graphite deslagging is effectual, can separate not complete popped graphite or dead worm and the good graphite of popped at popped in-process, through cyclone deslagging, gravity slag removal, screen cloth slagging-off, through the field usage, to the contrastive analysis of sediment around the feeding, the slagging-off rate reaches 99%, and the energy can be saved is more than 30%, can reduce manufacturing cost effectively, improves the flexibility of graphite paper.
Claims (4)
1. The utility model provides a preparation graphite paper dross removal mechanism which characterized in that: the device comprises a puffing heating furnace, a burner, a cyclone slag remover, a star-shaped discharger, a conveying pipe, a gravity slag remover, a bag-type dust remover, a graphite paper machine, a graphite pipe, a graphite cover, a closed end, an open end, a transverse plate, a vertical plate, a screen shaft, a conical hopper, a dust removing pipe, a fan, a vertical bin, a motor and a gravity slag removing pipe;
the puffing heating furnace comprises a feeding pipe, a feeding hole, a gas port, a combustion pipe, a slag discharging hole, a discharging pipe, a discharging hole, a temperature measuring hole, a central pipe, an upper central pipe inlet and a baffle plate; the cyclone slag remover comprises a cyclone inlet and a cyclone outlet; the gravity slag remover comprises a gravity slag removing inlet, a gravity slag removing outlet and a gate plate; the gravity deslagging inlet is arranged on the lower side surface, the gravity deslagging outlet is arranged on the upper side surface opposite to the gravity deslagging inlet, and the shutter plate which can be opened and closed is arranged below the gravity deslagging outlet;
the middle of the expansion heating furnace body, namely a cavity body where a central pipe is located, is a cylindrical expansion cavity, the center of the expansion cavity is provided with the central pipe, the upper part of the central pipe is an upper inlet of the central pipe, and the lower part of the central pipe is a slag discharge port; the upper inlet of the central pipe is arranged in the puffing cavity, and the slag discharge port is arranged outside the puffing cavity;
the baffle is round and is arranged in the puffing cavity, the bottom of the furnace body is a horizontal high-temperature gas combustion pipe, a gas port is arranged on the combustion pipe, and the combustion pipe is vertically connected with the central pipe; the discharge port of the discharge pipe is connected with a cyclone inlet of a cyclone slag remover, the upper part of the cyclone slag remover is a cyclone outlet, the lower part of the cyclone slag remover is connected with a star-shaped discharger, one end of a conveying pipe is connected with the cyclone outlet, and the other end of the conveying pipe is connected with a gravity slag removal inlet; one end of the gravity slag removal pipe is connected to the gravity slag removal outlet, the other end of the gravity slag removal pipe is connected to the graphite pipe, and the lower end of the graphite pipe is connected with the graphite cover;
one end of the graphite cover is a closed end, the other end of the graphite cover is an open end, the closed end is close to the screen, and the screen can move below the closed end according to the movement direction of the screen; the open end is not closed, a transverse plate is connected, a vertical plate is arranged below the transverse plate and connected to a vertical stock bin, a graphite paper machine is arranged below the vertical stock bin, and expanded graphite from the vertical stock bin is directly injected onto a conveying belt of the graphite paper machine;
the screen is a plane annular net and is supported by three triangular screen shafts, and one screen shaft is connected with a motor to enable the screen to rotate towards the vertical stock bin; the upper surface of the screen is opposite to the graphite cover, the lower surface of the screen is provided with a conical funnel, the lower surface of the conical funnel is connected with a dust removal pipe, the dust removal pipe is connected with a fan, and one discharging end of the dust removal pipe is connected with a bag-type dust remover.
2. The deslagging device for preparing graphite paper according to claim 1, wherein: the puffing heating furnace is cylindrical and is arranged on the bracket.
3. The deslagging device for preparing graphite paper according to claim 1, wherein: the gas port is circular, and the graphite cover is a circular truncated cone cover.
4. The deslagging device for preparing graphite paper according to claim 1, wherein: the baffle is circular and is arranged on the upper part of the upper inlet of the puffing cavity, and the temperature measuring port is arranged on the side wall of the furnace body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121535174.XU CN215447426U (en) | 2021-07-07 | 2021-07-07 | Preparation graphite paper dross removal mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121535174.XU CN215447426U (en) | 2021-07-07 | 2021-07-07 | Preparation graphite paper dross removal mechanism |
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| Publication Number | Publication Date |
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| CN215447426U true CN215447426U (en) | 2022-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121535174.XU Active CN215447426U (en) | 2021-07-07 | 2021-07-07 | Preparation graphite paper dross removal mechanism |
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| CN (1) | CN215447426U (en) |
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2021
- 2021-07-07 CN CN202121535174.XU patent/CN215447426U/en active Active
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