CN114719613B - Automatic sample injection device of heating furnace - Google Patents
Automatic sample injection device of heating furnace Download PDFInfo
- Publication number
- CN114719613B CN114719613B CN202210210280.3A CN202210210280A CN114719613B CN 114719613 B CN114719613 B CN 114719613B CN 202210210280 A CN202210210280 A CN 202210210280A CN 114719613 B CN114719613 B CN 114719613B
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- CN
- China
- Prior art keywords
- tube
- sample
- boat
- sample injection
- electric cylinder
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B17/00—Furnaces of a kind not covered by any preceding group
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D11/00—Arrangement of elements for electric heating in or on furnaces
- F27D11/02—Ohmic resistance heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D5/00—Supports, screens, or the like for the charge within the furnace
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
- F27D2019/0003—Monitoring the temperature or a characteristic of the charge and using it as a controlling value
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The application belongs to the technical field of sample injection devices, and particularly relates to an automatic sample injection device of a heating furnace. The application discloses an automatic sample injection device of a heating furnace, which comprises an electric cylinder, an extension tube, a fixing frame, a connecting tube, a rotary sample injection sealing tube, a sample tube and the heating furnace. The center of the electric cylinder is provided with a piston rod, and the piston rod is connected with the connecting wire through a fixing piece. The connecting wire is positioned at two ends of the heat insulation rod, one end of the connecting wire is connected with the fixing piece, and the other end of the connecting wire is connected with the sample boat. An air inlet is arranged above the left side surface of the extension tube and is used for introducing gas in the required atmosphere. The left end of the connecting pipe is connected with the extension pipe, and the right end is connected with the sample pipe. The rotary sample injection sealing pipe is sleeved outside the connecting pipe, and a small window is arranged at the outer side of the connecting pipe and used as a sample taking and placing position. The device provided by the application can set the moving distance and the moving speed by using the electric cylinder, and automatically and accurately control the position of the sample boat by controlling the operation of the piston rod, so that the samples are not easy to spill, the thermocouple is more accurate in temperature measurement, and the sample taking and placing are more convenient and safer.
Description
Technical Field
The application belongs to the technical field of sample injection devices, and particularly relates to an automatic sample injection device of a heating furnace.
Background
The heating furnace mainly comprises a tubular furnace and a muffle furnace, can process materials under certain atmosphere and temperature conditions, and has wide application in industries such as metallurgy, glass, heat treatment, lithium battery anode and cathode materials, new energy, grinding tools and the like. The sample injection mode of the prior heating furnace device is basically manual sample injection, and the manual sample injection has the following three defects: first, manual sample introduction is generally performed by means of an iron hook, and the iron hook easily spills samples when taking and placing a sample boat, which is a fatal problem for rare experiments of samples; secondly, the position of the sample boat in the sample tube is different every time, so that the temperature measurement value of the central thermocouple is influenced, and the result of the temperature sensitive experiment is seriously influenced; thirdly, the manual sample feeding needs to cool the heating furnace to be close to the room temperature to take and place the sample, so that the working efficiency is low and the sample feeding is unsafe. Therefore, it is very necessary to develop an automatic sample feeding device for a heating furnace.
Disclosure of Invention
The application provides an automatic sample feeding device of a heating furnace, which aims to solve the problems that the existing heating furnace is easy to spill samples during manual sample feeding, inaccurate in positioning and temperature sensing, tedious in sample taking and placing, time-consuming and unsafe.
In order to achieve the above purpose, the present application adopts the following technical scheme:
an automatic sample injection device of a heating furnace sequentially comprises a fixing piece, a connecting wire, a heat insulation rod, an extension tube, a connecting tube and a sample tube from left to right;
a heating furnace is arranged outside the sample tube, a sample boat is arranged inside the sample tube, and a thermocouple is arranged at the right center in the heating furnace;
the connecting wires are positioned at two ends of the heat insulation rod, the connecting wires positioned at the left end of the heat insulation rod are connected with one side of the fixing piece, and the connecting wires positioned at the right end of the heat insulation rod sequentially penetrate through the heat insulation rod, the extension tube and the connecting tube and extend into the sample tube to be connected with the sample boat;
the same side of the fixing piece connecting wire is also connected with a piston rod, and the other end of the piston rod is connected with an electric cylinder; the electric cylinder and the extension tube are sleeved with a fixing frame, the electric cylinder and the extension tube penetrate through the fixing frame to be arranged oppositely, and the fixing frame is used for fixing the electric cylinder and the extension tube to ensure that the electric cylinder and the extension tube do not have relative displacement;
the outer side of the connecting pipe is sleeved with a rotary sample injection sealing pipe, and a small window is formed in the rotary sample injection sealing pipe and used as a sample taking and placing position; the rotary sample injection sealing tube can rotate around the central shaft, the rotary sample injection sealing tube is rotated to open the sample taking and placing position when the sample boat is taken and placed, and the rotary sample injection sealing tube is rotated to close the sample taking and placing position after the sample boat is placed.
An air inlet is formed above the left side surface of the extension pipe and is used for introducing gas in a required atmosphere.
The electric cylinder can set the moving distance and the moving speed, and the position of the sample boat is automatically and accurately controlled by controlling the operation of the piston rod.
In the above technical scheme, further, the piston rod and the connecting wire are perpendicular to the fixing piece.
In the above technical scheme, further, the heat insulation rod is perpendicular to the left end face of the extension tube, and the right half part of the heat insulation rod is arranged on the inner side of the extension tube.
In the above technical scheme, further, the extension tube, the connecting tube, the rotary sample injection sealing tube and the sample tube are located on the same axis.
In the above technical scheme, further, the sample tube is one of a quartz tube, a porcelain tube, a corundum tube or a graphite tube.
In the above technical scheme, further, the heating furnace is a tube furnace or a muffle furnace, the center is a thermocouple of a temperature sensing element, and the thermocouple contacts with the outer wall of the sample tube for temperature measurement.
In the above technical scheme, further, the sample boat is one of a quartz boat, a porcelain boat, a corundum boat or a graphite boat.
Compared with the prior art, the application has the beneficial effects that:
the device provided by the application can set the moving distance and the moving speed by using the electric cylinder, and automatically and accurately control the position of the sample boat by controlling the operation of the piston rod, so that the samples are not easy to spill, the thermocouple is more accurate in temperature measurement, and the sample taking and placing are more convenient and safer.
Drawings
FIG. 1 shows an automatic sample feeding device of a heating furnace.
In the figure, 1. An electric cylinder; 2. a piston rod; 3. a fixing piece; 4. a connecting wire; 5. a heat insulation rod; 6. an air inlet; 7. an extension tube; 8. a fixing frame; 9. a connecting pipe; 10. rotating the sample injection sealing tube; 11. a sample taking and placing position; 12. a sample tube; 13. a heating furnace; 14. a thermocouple; 15. and a sample boat.
Detailed Description
The treatment process according to the application is further described below with reference to specific examples.
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be clear that the dimensions of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present application, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application: the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Example 1
As shown in fig. 1, an automatic sample injection device of a heating furnace sequentially comprises a fixing piece 3, a connecting wire 4, a heat insulation rod 5, an extension tube 7, a connecting tube 9 and a sample tube 12 from left to right; the outside of sample pipe 12 is equipped with heating furnace 13, and the inside of sample pipe 12 is equipped with sample boat 15, and the positive center in the heating furnace 13 still is equipped with thermocouple 14.
The connecting wires 4 are positioned at two ends of the heat insulation rod 5, the connecting wires 4 positioned at the left end of the heat insulation rod 5 are connected with one side of the fixing piece 3, and the connecting wires 4 positioned at the right end of the heat insulation rod 5 sequentially penetrate through the heat insulation rod 5, the extension tube 7 and the connecting tube 9 and extend into the sample tube 12 to be connected with the sample boat 15; the same side of the fixing piece 3, which is connected with the connecting wire 4, is also connected with a piston rod 2, and the other end of the piston rod 2 is connected with an electric cylinder 1; a fixing frame 8 is sleeved on the electric cylinder 1 and the extension tube 7, the electric cylinder 1 and the extension tube 7 are oppositely arranged through the fixing frame 8, and the fixing frame 8 is used for fixing the electric cylinder 1 and the extension tube 7, so that no relative displacement of the electric cylinder 1 and the extension tube 7 is ensured; the piston rod 2 and the connecting wire 4 are perpendicular to the fixing piece.
The outer side of the connecting pipe 7 is sleeved with a rotary sample injection sealing pipe 10, and a small window is formed on the rotary sample injection sealing pipe 10 and is used as a sample taking and placing position 11; the rotary sample injection sealing tube 10 can rotate around the central shaft, when the sample boat 15 is taken and placed, the rotary sample injection sealing tube 10 is rotated to open the sample taking and placing position 11, and after the sample boat 15 is placed, the rotary sample injection sealing tube 10 is rotated to close the sample taking and placing position 11.
An air inlet 6 is arranged above the left side surface of the extension tube 7 and is used for introducing gas in the required atmosphere. The electric cylinder 1 can set the moving distance and the moving speed, and the position of the sample boat 15 is automatically and accurately controlled by controlling the operation of the piston rod 2.
In addition, the heat insulation rod 5 is perpendicular to the left end face of the extension tube 7, and the right half part of the heat insulation rod 5 is arranged on the inner side of the extension tube 7, and the extension tube 7, the connecting tube 9, the rotary sample injection sealing tube 10 and the sample tube 12 are positioned on the same axis. The sample tube 12 is one of a quartz tube, a porcelain tube, a corundum tube, or a graphite tube. The heating furnace 13 is a tube furnace or a muffle furnace, the center is a temperature sensing element thermocouple 14, and the thermocouple 14 contacts with the outer wall of the sample tube 12 to measure the temperature. The sample boat 15 is one of a quartz boat, a porcelain boat, a corundum boat or a graphite boat.
The sample boat 15 is placed at the sample taking and placing position 11, the rotary sample injection sealing tube 10 is rotated to open the sample taking and placing position 11, and after the sample is placed in the sample boat 15, the rotary sample injection sealing tube 10 is rotated to close the sample taking and placing position 11. The electric cylinder 1 is provided with a moving distance and a moving speed, and the connecting wire 4 is driven by the piston rod 2, so that the sample boat 15 is accurately and stably conveyed to the center of the sample tube 12, and the thermocouple 14 is positioned at the center of the heating furnace, so that the accuracy of temperature measurement of the thermocouple 14 is ensured.
The technical principle of the present application is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the application and should not be taken in any way as limiting the scope of the application. Other embodiments of the application will occur to those skilled in the art from consideration of this specification without the exercise of inventive faculty, and such equivalent modifications and alternatives are intended to be included within the scope of the application as defined in the claims.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application.
Claims (4)
1. An automatic sample injection device of a heating furnace, which is characterized in that: the device comprises a fixing piece (3), a connecting wire (4), a heat insulation rod (5), an extension tube (7), a connecting tube (9) and a sample tube (12) in sequence from left to right;
a heating furnace (13) is arranged outside the sample tube (12), a sample boat (15) is arranged inside the sample tube (12), and a thermocouple (14) is arranged at the right center in the heating furnace;
the connecting wires (4) are positioned at two ends of the heat insulation rod (5), the connecting wires (4) positioned at the left end of the heat insulation rod (5) are connected with one side of the fixing piece (3), and the connecting wires positioned at the right end of the heat insulation rod (5) sequentially penetrate through the heat insulation rod (5), the extension tube (7) and the connecting tube (9) and extend into the sample tube (12) to be connected with the sample boat (15);
the same side of the fixing piece (3) connected with the connecting wire (4) is connected with a piston rod (2), and the other end of the piston rod (2) is connected with an electric cylinder (1); the electric cylinder (1) and the extension tube (7) are sleeved with a fixing frame (8), the electric cylinder (1) and the extension tube (7) penetrate through the fixing frame (8) to be arranged oppositely, and the fixing frame (8) is used for fixing the electric cylinder (1) and the extension tube (7) to ensure that no relative displacement exists between the electric cylinder (1) and the extension tube;
the outer side of the connecting pipe (9) is sleeved with a rotary sample injection sealing pipe (10), and a small window is formed in the rotary sample injection sealing pipe (10) and is used as a sample taking and placing position (11); the rotary sample injection sealing tube (10) can rotate around the central shaft, the rotary sample injection sealing tube (10) is rotated to open the sample taking and placing position (11) when the sample boat is taken and placed, and the rotary sample injection sealing tube (10) is rotated to close the sample taking and placing position (11) after the sample boat (15) is placed;
an air inlet (6) is formed above the left side surface of the extension pipe (7) and is used for introducing gas in a required atmosphere;
the electric cylinder (1) controls the operation of the piston rod (2) by setting the moving distance and the moving speed, and automatically and accurately controls the position of the sample boat;
the piston rod (2) and the connecting wire (4) are perpendicular to the fixing piece (3);
the heat insulation rod (5) is perpendicular to the left end face of the extension tube (7), and the right half part of the heat insulation rod is arranged at the inner side of the extension tube (7);
the extension tube (7), the connecting tube (9), the rotary sample injection sealing tube (10) and the sample tube (12) are positioned on the same axis.
2. The furnace autosampler of claim 1, wherein: the sample tube is one of a quartz tube, a porcelain tube, a corundum tube or a graphite tube.
3. The furnace autosampler of claim 1, wherein: the heating furnace is a tube furnace or a muffle furnace, and the thermocouple (14) is in contact with the outer wall of the sample tube (12) for measuring the temperature.
4. The furnace autosampler of claim 1, wherein: the sample boat is one of a quartz boat, a porcelain boat, a corundum boat or a graphite boat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210210280.3A CN114719613B (en) | 2022-03-04 | 2022-03-04 | Automatic sample injection device of heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210210280.3A CN114719613B (en) | 2022-03-04 | 2022-03-04 | Automatic sample injection device of heating furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114719613A CN114719613A (en) | 2022-07-08 |
| CN114719613B true CN114719613B (en) | 2023-09-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210210280.3A Active CN114719613B (en) | 2022-03-04 | 2022-03-04 | Automatic sample injection device of heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114719613B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201897393U (en) * | 2010-08-25 | 2011-07-13 | 无锡市新科表面工程材料有限公司 | Feeding door device of heating furnace |
| CN111947461A (en) * | 2020-08-28 | 2020-11-17 | 上海景瑞阳实业有限公司 | Heating constant temperature device capable of automatically feeding and discharging ash |
| CN215574905U (en) * | 2021-06-17 | 2022-01-18 | 苏州中科国源检测技术服务有限公司 | Organic halogen combustion furnace sampling device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100178627A1 (en) * | 2009-01-09 | 2010-07-15 | Harper International Corporation | Automatic feed oven |
| JP6680222B2 (en) * | 2017-01-17 | 2020-04-15 | 株式会社島津製作所 | Sample heating device |
-
2022
- 2022-03-04 CN CN202210210280.3A patent/CN114719613B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201897393U (en) * | 2010-08-25 | 2011-07-13 | 无锡市新科表面工程材料有限公司 | Feeding door device of heating furnace |
| CN111947461A (en) * | 2020-08-28 | 2020-11-17 | 上海景瑞阳实业有限公司 | Heating constant temperature device capable of automatically feeding and discharging ash |
| CN215574905U (en) * | 2021-06-17 | 2022-01-18 | 苏州中科国源检测技术服务有限公司 | Organic halogen combustion furnace sampling device |
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| Publication number | Publication date |
|---|---|
| CN114719613A (en) | 2022-07-08 |
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