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CN211782714U - Intermittent high-temperature heating device - Google Patents

Intermittent high-temperature heating device Download PDF

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Publication number
CN211782714U
CN211782714U CN201922390871.XU CN201922390871U CN211782714U CN 211782714 U CN211782714 U CN 211782714U CN 201922390871 U CN201922390871 U CN 201922390871U CN 211782714 U CN211782714 U CN 211782714U
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heating
shell
crucible
temperature
plc
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CN201922390871.XU
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杨学好
陈建伟
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Zhengzhou Ruisheng New Material Technology Co ltd
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Zhengzhou Ruisheng New Material Technology Co ltd
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Abstract

The utility model discloses an intermittent high-temperature heating device, which comprises a shell and a heating mechanism; the shell is of a cylindrical structure, a heat insulation layer is arranged on the inner side wall of the shell, and a heating mechanism is arranged on the inner side of the heat insulation layer; the heating mechanism is internally surrounded to form a heating cavity, a heating crucible is arranged in the center of the heating cavity, a cooling pipe is arranged between the heating crucible and the heating mechanism, the cooling pipe surrounds the heating crucible for a circle from the bottom of the heating crucible, and an inlet and an outlet of the cooling pipe penetrate through the shell and are arranged at the top of the shell; through the multiunit heating rod that sets up, the mode that adopts the low pressure alternating current directly heats through the heating rod to through the PLC controller, automatic control, heating efficiency is high, and temperature control is accurate, and heating temperature homogeneity is good, and temperature control is effectual, can not lead to the side reaction to produce unnecessary pollution products, further promotes the carbonization quality of carbon goods.

Description

Intermittent high-temperature heating device
Technical Field
The utility model belongs to the firing equipment field especially relates to an intermittent type formula high temperature heating device.
Background
The carbonization equipment is the key equipment for carbonizing products such as carbon, carbon ceramics and the like, and intermittent heating equipment is sometimes needed due to the strict requirement on temperature in the carbonization process.
In some existing intermittent heating devices, oil is introduced into the heating device, and the heating of a product is indirectly completed by heating the oil, so that the heating efficiency is low, rapid cooling and heating cannot be completed, the uniformity of the heating temperature is difficult to control, and the carbonization quality of a carbon product is adversely affected; meanwhile, because the temperature control effect is poor, the side reaction can generate redundant pollution products, and the production quality of the product is influenced.
In the prior art, chinese patent application No. 201610159582.7 discloses an intermittent rosin dry-process melting device, which comprises a melting kettle body, wherein a pressure-resistant kettle bottom is arranged at the bottom of the melting kettle body, a hot oil jacket is arranged on the outer wall of the melting kettle body, and a hot oil pipe, a coarse residue filter plate and a fine residue filter plate are arranged in the melting kettle body; a fat liquor outlet and a slag outlet are arranged on the side wall of the melting kettle body; a compressed air pipe is arranged on the top wall of the melting kettle body; a stirrer and/or an N2 spray pipe are/is arranged in the melting kettle body; the fat liquid outlet is positioned at the lower part of the side wall of the melting kettle body.
Among the above-mentioned technical scheme, be equipped with hot oil jacket on the external wall of melting cauldron the internal hot oil pipe that is equipped with of melting cauldron, heat hot oil heating through intermittent heating's mode, heating efficiency is low, can not accomplish quick cold and hot, and the homogeneity of heating temperature is difficult to control.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model aims to provide an intermittent type formula high temperature heating device, through the multiunit heating rod that sets up, the mode that adopts the low pressure alternating current directly heats through the heating rod to through the PLC controller, automatic control, heating efficiency is high, and temperature control is accurate, and heating temperature homogeneity is good, and temperature control is effectual, can not lead to the side reaction to produce unnecessary pollution products, further promotes the carbonization quality of carbon goods.
The utility model provides a following technical scheme:
an intermittent high-temperature heating device comprises a shell and a heating mechanism; the shell is of a cylindrical structure, a heat insulation layer is arranged on the inner side wall of the shell, and a heating mechanism is arranged on the inner side of the heat insulation layer; the heating mechanism is inboard to encircle and to form the heating chamber, the central point in heating chamber puts and is equipped with the heating crucible, the heating crucible with be equipped with the cooling tube between the heating mechanism, the cooling tube encircles a week from the heating crucible bottom, and the import and the export of cooling tube run through the casing and establish the top of casing.
Preferably, the bottom of the shell is provided with a motor, and an output shaft of the motor penetrates through the shell and is connected with the bottom of the heating crucible through a connecting piece; the top of the shell is provided with a movable cover which is connected with the shell through a rotating shaft; a pressure release valve is arranged on the movable cover; and a PLC (programmable logic controller) is arranged on the outer side of the shell.
Preferably, the heating mechanism comprises a plurality of heating rods which are divided into a plurality of groups; and the heating rods are connected with a PLC (programmable logic controller) through wires.
Preferably, thyristors are arranged between the plurality of heating rods and the PLC, and the heating rods are controlled by the thyristors.
Preferably, the heating crucible is a corundum crucible, and the alumina content of the corundum crucible is more than 95%.
Preferably, a temperature sensor is arranged on the inner side of the heating mechanism and connected with the PLC through a wire.
Preferably, a bracket is connected to the bottom of the housing.
Preferably, the heat insulation layer is made of silicide heat insulation cotton, so that the heat insulation layer is stable in property, resistant to high and low temperatures, good in heat insulation effect and easy to assemble and process.
Preferably, the heating rods are twelve in number and are evenly divided into four groups, and the twelve heating rods are evenly distributed around the heating cavity.
In addition, in the working process, the temperature sensor transmits the temperature to the PLC controller, the PLC controls the thyristor, the thyristor adopts a voltage regulation working mode, the output voltage is adjusted according to signals transmitted by the PLC controller, and then the heating power of the heating rod is adjusted, so that accurate temperature control is achieved.
When the heating device works, an intermittent heating threshold value is set, when the set threshold value is reached, the temperature sensor transmits a temperature signal to the PLC for control, and the heating of the heating rod is stopped through the PLC; when the heating temperature is lower than the set threshold value, the temperature sensor transmits a temperature signal to the PLC for control, and the heating rod is continuously heated through the PLC.
The cooling pipe is externally connected with a cooling liquid loop which comprises an electric regulating valve, a flow detector, a power pump and the like, the electric regulating valve receives a current signal of the PLC, and the cooling temperature is controlled by controlling the flow of the cooling liquid, so that the temperature in the heating cavity is rapidly cooled.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the utility model relates to an intermittent type formula high temperature heating device, through the multiunit heating rod that sets up, the mode that adopts the low pressure alternating current directly heats through the heating rod to through the PLC controller, automatic control, heating efficiency is high, and temperature control is accurate, and the heating temperature homogeneity is good.
(2) The utility model relates to an intermittent type formula high temperature heating device drives the heating crucible through the motor and rotates, makes heating article thermally equivalent, and temperature control is effectual, can not lead to the side reaction to produce unnecessary pollution products, further promotes the carbonization quality of carbon goods.
(3) The utility model relates to an intermittent type formula high temperature heating device, through the cooling tube that sets up, after through the coolant liquid, the temperature in quick reduction heating chamber realizes cooling fast.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic longitudinal sectional structure of the present invention.
Fig. 2 is a schematic cross-sectional structure of the present invention.
Fig. 3 is a schematic view of the heating mechanism of the present invention.
In the figure: 1. a housing; 2. a heating mechanism; 3. a thermal insulation layer; 4. heating the crucible; 5. a PLC controller; 6. a cooling tube; 7. a movable cover; 8. a hydraulic valve; 9. a motor; 10. a support; 11. a temperature sensor; 12. a thyristor; 13. a heating rod; 14. a chamber is heated.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention will be combined to clearly and completely describe the technical solutions of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example one
As shown in fig. 1 to 3, an intermittent high-temperature heating apparatus includes a housing 1, a heating mechanism 2; the shell 1 is of a cylindrical structure, a heat insulation layer 3 is arranged on the inner side wall of the shell 1, and a heating mechanism 2 is arranged on the inner side of the heat insulation layer 3; heating mechanism 2 is inboard to encircle and to form heating chamber 14, the central point of heating chamber 14 puts and is equipped with heating crucible 4, heating crucible 4 with be equipped with cooling tube 6 between the heating mechanism 2, cooling tube 6 encircles a week from heating crucible 4 bottom, and the import and the export of cooling tube 6 run through casing 1 and establish the top of casing 1.
The bottom of the shell 1 is provided with a motor 9, and an output shaft of the motor 9 penetrates through the shell 1 and is connected with the bottom of the heating crucible 4 through a connecting piece; the top of the shell 1 is provided with a movable cover 7, and the movable cover 7 is connected with the shell 1 through a rotating shaft; a pressure release valve 8 is arranged on the movable cover 7; and a PLC (programmable logic controller) 5 is arranged on the outer side of the shell 1.
The cooling pipe 6 is externally connected with a cooling liquid loop which comprises an electric regulating valve, a flow detector, a power pump and the like, the electric regulating valve receives a current signal of the PLC 5 and controls the cooling temperature by controlling the flow of the cooling liquid, so that the temperature in the heating cavity 14 is rapidly cooled; the bottom of the housing 1 is connected with a bracket 10.
Example two:
the heating mechanism 2 is improved on the basis of the first embodiment, and comprises a plurality of heating rods 13, wherein the plurality of heating rods 13 are divided into a plurality of groups; the plurality of heating rods 13 are connected with the PLC 5 through wires; the heating rods 13 are divided into four groups, and the twelve heating rods 13 are uniformly distributed around the heating cavity 14. Thyristors 12 are arranged between the heating rods 13 and the PLC 5, and the thyristors 12 are used for controlling the heating rods 13.
The temperature sensor 11 transmits the temperature to the PLC controller 5, the PLC controls the thyristor 12, the thyristor 12 adjusts the output voltage according to the signal transmitted by the PLC controller 5 by adopting a working mode of voltage regulation, and then the heating power of the heating rod 13 is adjusted, so that the accurate temperature control is achieved; when the heating device works, an intermittent heating threshold value is set, when the set threshold value is reached, the temperature sensor 11 transmits a temperature signal to the PLC for control, and the heating of the heating rod 13 is stopped through the PLC 5; when the heating temperature is lower than the set threshold value, the temperature sensor 11 transmits a temperature signal to the PLC control, and the heating of the heating rod 13 is continued through the PLC controller 5.
EXAMPLE III
The improvement is carried out on the basis of the first embodiment, the heating crucible 4 adopts a corundum crucible, and the alumina content of the corundum crucible is more than 95%.
And a temperature sensor 11 is arranged on the inner side of the heating mechanism 2, and the temperature sensor 11 is connected with the PLC 5 through a wire.
The heat insulation layer 3 is made of silicide heat insulation cotton, is stable in property, resistant to high and low temperatures, good in heat insulation effect and easy to assemble and process.
The device obtained by the technical scheme is an intermittent high-temperature heating device, when the heating device works, an intermittent heating threshold value is set, when the set threshold value is reached, a temperature sensor 11 transmits a temperature signal to a PLC (programmable logic controller) for control, and the heating of a heating rod 13 is stopped by the PLC 5; when the heating temperature is lower than a set threshold value, the temperature sensor 11 transmits a temperature signal to the PLC for control, the PLC 5 continues to heat the heating rod 13, the temperature sensor 11 transmits the temperature to the PLC 5, the PLC controls the thyristor 12, the thyristor 12 adopts a voltage regulation working mode, the output voltage is adjusted according to the signal transmitted by the PLC 5, and then the heating power of the heating rod 13 is adjusted, so that the accurate temperature control is achieved; during cooling, the cooling pipe 6 is externally connected with a cooling liquid loop, the loop comprises an electric regulating valve, a flow detector, a power pump and the like, the electric regulating valve receives a current signal of the PLC 5, and the cooling temperature is controlled by controlling the flow of the cooling liquid, so that the temperature in the heating cavity 14 is rapidly cooled; the bottom of the shell 1 is connected with a bracket 10; the heating is directly carried out through the heating rods 13 in a low-voltage alternating current mode through the multiple groups of heating rods 13, and the PLC 5 is used for automatically controlling the heating, so that the heating efficiency is high, the temperature control is accurate, and the heating temperature uniformity is good; the heating crucible 4 is driven to rotate by the motor 9, so that the heating object is uniformly heated, the temperature control effect is good, no side reaction is caused to generate redundant pollution products, and the carbonization quality of the carbon product is further improved; through the cooling pipe 6, after the cooling liquid passes through, the temperature of the heating cavity 14 is rapidly reduced, and rapid cooling is realized.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. An intermittent high-temperature heating device comprises a shell (1), a heating mechanism (2) and a PLC (programmable logic controller) (5); the heating device is characterized in that the shell (1) is of a cylindrical structure, a heat insulation layer (3) is arranged on the inner side wall of the shell (1), and a heating mechanism (2) is arranged on the inner side of the heat insulation layer (3); heating mechanism (2) inboard is encircleed and is formed heating chamber (14), the central point in heating chamber (14) puts and is equipped with heating crucible (4), heating crucible (4) with be equipped with cooling tube (6) between heating mechanism (2), cooling tube (6) are from heating crucible (4) bottom encircleing a week, and the import and the export of cooling tube (6) run through casing (1) and establish the top of casing (1).
2. A batch type high temperature heating device according to claim 1, characterized in that the bottom of the housing (1) is provided with a motor (9), the output shaft of the motor (9) penetrates through the housing (1) and is connected with the bottom of the heating crucible (4) through a connecting piece; the top of the shell (1) is provided with a movable cover (7), and the movable cover (7) is connected with the shell (1) through a rotating shaft; a pressure release valve (8) is arranged on the movable cover (7); and a PLC (programmable logic controller) (5) is arranged on the outer side of the shell (1).
3. A batch type high temperature heating apparatus according to claim 1 or 2, wherein said heating means (2) comprises a plurality of heating rods (13), the plurality of heating rods (13) being divided into a plurality of groups; and the heating rods (13) are connected with a PLC (programmable logic controller) (5) through wires.
4. A batch type high temperature heating device according to claim 3, characterized in that a thyristor (12) is provided between the plurality of heating rods (13) and the PLC controller (5), and the thyristor (12) controls the heating rods (13).
5. A batch high temperature heating apparatus according to claim 2, wherein the heating crucible (4) is a corundum crucible having an alumina content of more than 95%.
6. An intermittent high-temperature heating device according to claim 1, wherein a temperature sensor (11) is arranged inside the heating mechanism (2), and the temperature sensor (11) is connected with the PLC controller (5) through a lead.
7. A batch heater according to claim 1, characterised in that a support (10) is attached to the bottom of the housing (1).
CN201922390871.XU 2019-12-27 2019-12-27 Intermittent high-temperature heating device Active CN211782714U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922390871.XU CN211782714U (en) 2019-12-27 2019-12-27 Intermittent high-temperature heating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922390871.XU CN211782714U (en) 2019-12-27 2019-12-27 Intermittent high-temperature heating device

Publications (1)

Publication Number Publication Date
CN211782714U true CN211782714U (en) 2020-10-27

Family

ID=72980789

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922390871.XU Active CN211782714U (en) 2019-12-27 2019-12-27 Intermittent high-temperature heating device

Country Status (1)

Country Link
CN (1) CN211782714U (en)

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