CN112492710B - A graphite plate heater - Google Patents
A graphite plate heater Download PDFInfo
- Publication number
- CN112492710B CN112492710B CN202011574368.0A CN202011574368A CN112492710B CN 112492710 B CN112492710 B CN 112492710B CN 202011574368 A CN202011574368 A CN 202011574368A CN 112492710 B CN112492710 B CN 112492710B
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- China
- Prior art keywords
- graphite plate
- graphite
- keel frame
- box
- sealing
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 106
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 106
- 239000010439 graphite Substances 0.000 title claims abstract description 106
- 238000007789 sealing Methods 0.000 claims abstract description 83
- 230000001681 protective effect Effects 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 3
- 230000008093 supporting effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
- H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
- H05B3/22—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
Landscapes
- Devices For Use In Laboratory Experiments (AREA)
- Resistance Heating (AREA)
Abstract
本发明公开了一种石墨板型加热器，涉及石墨加热器技术领域，包括箱体，箱体上下表面固定安装有固定通电装置，箱体左右侧面设置有保护气体装置，箱体前表面固定安装有密封盖，箱体包括有箱侧壁，箱侧壁内部左右表面上端活动安装有上石墨板，箱侧壁下端固定安装有下石墨板。本发明通过将石墨管改为石墨板，解决石墨管加热器内部空间不足的问题，同时石墨板相对于石墨管来说更好加工，且加工成本低，加工过程简单，增加上龙骨架以及下龙骨架，通过上龙骨架以及下龙骨架增加上石墨板以及下石墨板的强度，防止上石墨板和下石墨板因内部压强过大而出现断裂，造成加热终止以及气体泄漏。
The present invention discloses a graphite plate type heater, which relates to the technical field of graphite heaters, including a box body, fixed power supply devices are fixedly installed on the upper and lower surfaces of the box body, protective gas devices are arranged on the left and right sides of the box body, a sealing cover is fixedly installed on the front surface of the box body, and the box body includes a box side wall, an upper graphite plate is movably installed on the upper ends of the left and right surfaces inside the box side wall, and a lower graphite plate is fixedly installed on the lower end of the box side wall. The present invention solves the problem of insufficient internal space of the graphite tube heater by replacing the graphite tube with a graphite plate. At the same time, the graphite plate is easier to process than the graphite tube, and the processing cost is low and the processing process is simple. An upper keel frame and a lower keel frame are added, and the strength of the upper graphite plate and the lower graphite plate is increased by the upper keel frame and the lower keel frame, so as to prevent the upper graphite plate and the lower graphite plate from breaking due to excessive internal pressure, causing heating termination and gas leakage.
Description
Technical Field
The invention relates to a graphite heater, relates to the technical field of graphite heaters, and in particular relates to a graphite plate type heater.
Background
The graphite heater is characterized by that the sample is quantitatively injected into the heater by means of sample injector, and the graphite is used as resistance heating element, after the electric heating element is electrified, the temp. is quickly raised so as to make the sample attain the goal of atomization. The following problems exist in the prior art:
1. most of the existing graphite heaters are tubular heaters, and as graphite is a brittle material, the processing difficulty of a graphite pipe is high, and the graphite pipe with a thicker pipe diameter is not easy to manufacture, so that the processing cost is high, the technology is complex and the implementation is not easy;
2. graphite is a brittle material, and a graphite heater has no protective measure on the graphite plate, so that when the graphite plate is used in a heating furnace, the graphite plate is easily broken and broken due to internal air pressure, the heating process is influenced, and gas leakage is caused.
Disclosure of Invention
The invention provides a graphite plate type heater, which aims to achieve the effects of easiness in processing, high cost and difficulty in processing, and aims to solve the problem that a graphite plate is easy to fracture and break so as to achieve the effect of protecting the graphite plate and increasing the strength of the graphite plate.
In order to solve the technical problems, the invention adopts the following technical scheme:
the graphite plate type heater comprises a box body, wherein a fixed electrifying device is fixedly arranged on the upper surface and the lower surface of the box body, a protective gas device is arranged on the left side surface and the right side surface of the box body, and a sealing cover is fixedly arranged on the front surface of the box body;
The box body comprises a box side wall, wherein upper graphite plates are movably mounted at the upper ends of the left surface and the right surface inside the box side wall, and lower graphite plates are fixedly mounted at the lower end of the box side wall.
The technical scheme of the invention is further improved in that upper movable sealing strips are fixedly arranged on the left side and the right side of the upper surface of the upper graphite plate, lower movable sealing strips are fixedly arranged on the left side and the right side of the lower surface of the upper graphite plate, an upper front sealing plate is fixedly arranged on the front surface of the upper graphite plate, and adjusting devices are fixedly arranged on the left side and the right side of the front end of the upper graphite plate.
The technical scheme of the invention is further improved in that the adjusting device comprises a fixing frame, the fixing frame is movably clamped at the front end of the side wall of the box, the right side of the fixing frame is movably connected with a movable wheel, the surface of the movable wheel is movably connected with a transmission chain, and the upper end of the transmission chain is movably connected with a driving wheel.
The technical scheme of the invention is further improved in that upper fixed sealing strips are fixedly arranged on the left side and the right side of the upper surface of the lower graphite plate, lower fixed sealing strips are fixedly arranged on the left side and the right side of the lower surface of the lower graphite plate, and a lower front sealing plate is fixedly arranged at the front end of the lower graphite plate.
The technical scheme of the invention is further improved in that the fixed energizing device comprises an upper keel frame and a lower keel frame, wherein the upper keel frame is fixedly arranged on the upper surface of an upper graphite plate, the lower keel frame is fixedly arranged on the lower surface of a lower graphite plate, a rotary connection type binding post is fixedly arranged at the center position of the upper surface of the upper keel frame, and a fixed binding post is fixedly arranged at the center position of the lower surface of the lower keel frame.
The technical scheme of the invention is further improved in that the protective gas device comprises a gas upper through hole and a gas lower through hole, wherein the gas upper through hole is formed in the upper ends of the left side and the right side of the box body, the gas lower through hole is formed in the lower ends of the left side and the right side of the box body, the outer surface of the gas lower through hole is fixedly provided with a sealing sleeve, and a sealing bolt is movably sleeved in the sealing sleeve.
The technical scheme of the invention is further improved in that the sealing cover comprises a U-shaped sealing cover, a movable sealing cover is movably sleeved in the U-shaped sealing cover, a handle is fixedly arranged at the front end of the movable sealing cover, and a fixing bolt is movably connected at the front end of the U-shaped sealing cover.
By adopting the technical scheme, compared with the prior art, the invention has the following technical progress:
1. the invention provides a graphite plate type heater, which changes a graphite pipe into a graphite plate, the graphite plate is better processed relative to the graphite pipe, the processing cost is low, the processing process is simple, the inner size of the whole heater can be adjusted by an adjusting device, a driving wheel rotates to drive a driving chain to rotate during adjustment, and the driving chain drives a moving wheel to rotate and move up and down, so that the whole upper graphite plate is driven to move up and down by a fixing frame, the inner space size is adjusted, and the problem of insufficient inner space of the graphite pipe heater is solved.
2. The invention provides a graphite plate type heater, which is provided with an upper keel frame and a lower keel frame, wherein the upper keel frame is fixed on the upper surface of an upper graphite plate, can play an auxiliary supporting role on the whole upper graphite plate, increase the strength of the upper graphite plate, and play the same role on the lower graphite plate.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic view of the bottom structure of the present invention;
FIG. 4 is a schematic view of the structure of the adjusting device of the present invention;
FIG. 5 is a schematic view of a sealing plug and a sealing sleeve according to the present invention;
fig. 6 is a schematic view of the structure of the sealing cover of the present invention.
In the figure, 1, a box body, 11, a box side wall, 12, an upper graphite plate, 13, a lower graphite plate, 121, an upper movable sealing strip, 122, a lower movable sealing strip, 123, an upper front sealing plate, 124, an adjusting device, 131, an upper fixed sealing strip, 132, a lower fixed sealing strip, 133, a lower front sealing plate;
1241. The device comprises a fixed frame, a movable wheel, a 1243 transmission chain, a 1244 driving wheel and a driving wheel;
2. The device comprises a fixed power-on device, an upper keel frame, a 22, a spin-on binding post, a 23, a lower keel frame, a 24 and a fixed binding post, wherein the upper keel frame is fixedly connected with the upper keel frame;
3. the device comprises a protective gas device, a gas upper port, a gas lower port, a sealing sleeve, a sealing bolt and a sealing sleeve, wherein the protective gas device comprises a gas upper port, a gas lower port, a sealing sleeve and a sealing bolt;
4. sealing cover 41, U-shaped sealing cover 42, movable sealing cover 43, handle 44 and fixing bolt.
Detailed Description
The invention is further illustrated by the following examples:
Example 1
As shown in fig. 1 to 6, the invention provides a graphite plate type heater, which comprises a box body 1, wherein a fixed electrifying device 2 is fixedly arranged on the upper surface and the lower surface of the box body 1, a protective gas device 3 is arranged on the left side surface and the right side surface of the box body 1, and a sealing cover 4 is fixedly arranged on the front surface of the box body 1.
In this embodiment, the fixed energizing device 2 is used for fixing and supporting the graphite plate and energizing, the protective gas device 3 is responsible for cooling and protecting the graphite plate after heating, and the sealing cover 4 is used for sealing the front end during heating.
As shown in fig. 1-6, in this embodiment, preferably, the protective gas device 3 includes a gas upper port 31 and a gas lower port 32, the gas upper port 31 is opened at the upper ends of the left and right sides of the box 1, the gas lower port 32 is opened at the lower ends of the left and right sides of the box 1, the outer surface of the gas lower port 32 is fixedly provided with a sealing sleeve 33, a sealing bolt 34 is movably sleeved inside the sealing sleeve 33, the sealing cover 4 includes a U-shaped sealing cover 41, a movable sealing cover 42 is movably sleeved inside the U-shaped sealing cover 41, a handle 43 is fixedly arranged at the front end of the movable sealing cover 42, a fixing bolt 44 is movably connected with the front end of the U-shaped sealing cover 41, protective gas enters from the gas upper port 31 and the gas lower port 32, the upper surface and the lower surface of the graphite plate are cooled, oxidation reaction of the graphite plate is prevented at high temperature, the movable sealing cover 42 can regulate the size of the whole sealing cover 4 according to the position of the upper graphite plate 12, and the U-shaped sealing cover 41 and the movable sealing cover 42 are fixed with the movable sealing cover 42 through the fixing bolt 44.
Example 2
As shown in fig. 1-6, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the box body 1 comprises a box side wall 11, an upper graphite plate 12 is movably arranged at the upper ends of the left and right surfaces inside the box side wall 11, a lower graphite plate 13 is fixedly arranged at the lower end of the box side wall 11, upper movable sealing strips 121 are fixedly arranged at the left and right sides of the upper surface of the upper graphite plate 12, lower movable sealing strips 122 are fixedly arranged at the left and right sides of the lower surface of the upper graphite plate 12, an upper front sealing plate 123 is fixedly arranged at the front surface of the upper graphite plate 12, an adjusting device 124 is fixedly arranged at the left and right sides of the front end of the upper graphite plate 12, the adjusting device 124 comprises a fixing frame 1241, the fixing frame 1241 is movably clamped at the front end of the box side wall 11, a movable wheel 1242 is movably connected at the right side of the fixing frame 1241, a transmission chain 1243 is movably connected at the surface of the movable wheel 1242, a driving wheel 1244 is movably connected at the upper end of the transmission chain 1243, the left side and the right side of the upper surface of the lower graphite plate 13 are fixedly provided with upper fixed sealing strips 131, the left side and the right side of the lower surface of the lower graphite plate 13 are fixedly provided with lower fixed sealing strips 132, the front end of the lower graphite plate 13 is fixedly provided with a lower front sealing plate 133, the upper graphite plate 12 can adjust the internal size of the whole heater through an adjusting device 124, a driving wheel 1244 rotates to drive a driving chain 1243 to rotate during adjustment, the driving chain 1243 drives a moving wheel 1242 to rotate and move up and down, thereby the whole upper graphite plate 12 is driven to move up and down through a fixing frame 1241, the internal space size is adjusted, and the upper moving sealing strip 121, the lower moving sealing strip 122, the upper fixed sealing strip 131, the lower fixed sealing strip 132, the upper front sealing plate 123 and the lower front sealing plate 133 play a sealing role on the whole box 1, and the driving wheel 1244 is used for fixing the position of the driving chain 1243.
Example 3
On the basis of the embodiment 1, as shown in fig. 1-6, the invention provides a technical scheme that a fixed electrifying device 2 comprises an upper keel frame 21 and a lower keel frame 23, wherein the upper keel frame 21 is fixedly arranged on the upper surface of an upper graphite plate 12, the lower keel frame 23 is fixedly arranged on the lower surface of a lower graphite plate 13, a rotary connection binding post 22 is fixedly arranged at the central position of the upper surface of the upper keel frame 21, a fixed binding post 24 is fixedly arranged at the central position of the lower surface of the lower keel frame 23, the upper keel frame 21 is fixed on the upper surface of the upper graphite plate 12, an auxiliary supporting effect can be achieved on the whole upper graphite plate 12, the strength of the upper graphite plate 12 is increased, the lower keel frame 23 plays the same role on the lower graphite plate 13, the strength of the upper graphite plate 12 and the lower graphite plate 13 is increased through the upper keel frame 21 and the lower keel frame 23, and simultaneously, the two electrodes of the graphite plate are connected through the rotary connection binding post 22 and the fixed binding post 24, and electrifying heating is carried out.
The working principle of the graphite plate type heater will be described in detail.
As shown in fig. 1 to 6, the driving wheel 1244 rotates to drive the driving chain 1243 to rotate, the driving chain 1243 drives the moving wheel 1242 to rotate and move up and down, so that the whole upper graphite plate 12 is driven to move up and down through the fixing frame 1241, the size of the inner space is adjusted, then a sample is quantitatively injected into the heater through the sample injector, the size of the whole sealing cover 4 is adjusted according to the position of the upper graphite plate 12, the U-shaped sealing cover 41 and the movable sealing cover 42 are fixed through the fixing bolt 44, then the graphite plate is connected with two electrodes through the rotary connection type binding post 22 and the fixed binding post 24, the electric heating is performed, and after the heating is completed, protective gas enters from the upper gas through hole 31 and the lower gas through hole 32, the upper surface and the lower surface of the graphite plate are cooled, and meanwhile, the oxidation reaction of the graphite plate is prevented.
The foregoing invention has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011574368.0A CN112492710B (en) | 2020-12-28 | 2020-12-28 | A graphite plate heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011574368.0A CN112492710B (en) | 2020-12-28 | 2020-12-28 | A graphite plate heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112492710A CN112492710A (en) | 2021-03-12 |
| CN112492710B true CN112492710B (en) | 2025-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011574368.0A Active CN112492710B (en) | 2020-12-28 | 2020-12-28 | A graphite plate heater |
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| Country | Link |
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| CN (1) | CN112492710B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN213880302U (en) * | 2020-12-28 | 2021-08-03 | 南通百大石墨设备有限公司 | Graphite plate type heater |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2622381B1 (en) * | 1987-10-21 | 1990-03-16 | Electricite De France | ELECTRIC HEATER |
| CN111212489A (en) * | 2018-11-21 | 2020-05-29 | 南韩商H&世温股份有限公司 | Heater assembly |
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2020
- 2020-12-28 CN CN202011574368.0A patent/CN112492710B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN213880302U (en) * | 2020-12-28 | 2021-08-03 | 南通百大石墨设备有限公司 | Graphite plate type heater |
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| CN112492710A (en) | 2021-03-12 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20250110 Address after: No. 2005, 2nd Floor, Office Building, Xintai Melting Material Co., Ltd., Lubi Economic Development Zone, Lushan Town, Kaili City, Qiandongnan Miao and Dong Autonomous Prefecture, Guizhou Province, China Applicant after: Guizhou Xintai New Material Technology Co.,Ltd. Country or region after: China Address before: 226000 group 11, Yuanqiao village, qinzao street, Gangzha District, Nantong City, Jiangsu Province Applicant before: Nantong Baida Graphite Equipment Co.,Ltd. Country or region before: China |
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