CN214703396U - Heating device for heat treatment test - Google Patents
Heating device for heat treatment test Download PDFInfo
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- CN214703396U CN214703396U CN202120349196.0U CN202120349196U CN214703396U CN 214703396 U CN214703396 U CN 214703396U CN 202120349196 U CN202120349196 U CN 202120349196U CN 214703396 U CN214703396 U CN 214703396U
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Abstract
The application relates to a heating device for a heat treatment test, which relates to the field of heat treatment test devices and comprises a base, a first heating element and a barrel, wherein the base comprises a first horizontal plate and a second horizontal plate which are horizontally arranged at intervals, the barrel comprises an inner pipe and an outer pipe, the first horizontal plate and the second horizontal plate are fixedly connected with the inner pipe, the outer pipe is coaxial with the inner pipe, the diameter of the outer pipe is larger than that of the inner pipe, the inner wall of the outer pipe and the outer wall of the inner pipe form an annular cavity, heat conduction oil is contained in the annular cavity, and the bottom of the outer pipe is fixedly connected with the second horizontal plate; the first heating element is positioned between the first horizontal plate and the second horizontal plate; the inside of inner tube is equipped with the second heating member. The application has the effect of improving the accuracy of the heat treatment test.
Description
Technical Field
The application relates to the field of heat treatment test devices, in particular to a heat treatment test heating device.
Background
The heat treatment furnace is an electric furnace or a fuel furnace for heating and heat-treating the charging materials, and the furnace temperature can be controlled by a timer.
Application number is CN201922307672.8 discloses experimental heat preservation stove of simple and easy heat treatment, and it includes the bottom plate and sets up the barrel at the bottom plate top perpendicularly, is provided with at least one fixed steel bar rather than the perpendicular on the bottom plate, and fixed steel bar is located inside the barrel, and the outside parcel of barrel has resistance heater, and the barrel is located the outside parcel of resistance heater and has the heat preservation cotton, and the barrel top is equipped with the heat preservation stopper, wears to be equipped with temperature element on the heat preservation stopper perpendicularly, and the coaxial grafting of pipeline that awaits measuring is on fixed steel bar.
In view of the above-mentioned related art, the inventor believes that the welded joint is easily affected by air in the apparatus during the heat treatment process, so that the test result is deviated, and the accuracy of the test is affected.
SUMMERY OF THE UTILITY MODEL
In order to improve the accuracy of heat treatment test, this application provides a heat treatment test heating device.
The application provides a heat treatment test heating device adopts following technical scheme:
a heating device for a heat treatment test comprises a base, a first heating element and a barrel, wherein the base comprises a first horizontal plate and a second horizontal plate which are horizontally arranged at intervals, the barrel comprises an inner pipe and an outer pipe, the first horizontal plate and the second horizontal plate are both fixedly connected with the inner pipe, the outer pipe is coaxial with the inner pipe, the diameter of the outer pipe is larger than that of the inner pipe, the inner wall of the outer pipe and the outer wall of the inner pipe form an annular cavity, heat conduction oil is contained in the annular cavity, and the bottom of the outer pipe is fixedly connected with the second horizontal plate; the first heating element is positioned between the first horizontal plate and the second horizontal plate; the inside of inner tube is equipped with the second heating member.
By adopting the technical scheme, the first heating element and the annular cavity are separated by the first horizontal plate and the second horizontal plate, so that an installation space is provided for the first heating element; the second heating element in the inner tube can shorten the heating time of the conduction oil, thereby shortening the preparation time of the test. The conduction oil can provide anaerobic environment for the experiment, and first heating member can heat the conduction oil in the annular cavity to obtain experimental required ambient temperature. During the test, the sample is placed in the heat conduction oil, and the heat conduction oil is immersed above the sample, so that the test can be carried out, the influence of environmental factors on the sample can be reduced, and the accuracy of the heat treatment test is improved.
Optionally, all be equipped with the mounting hole on first horizontal plate and the second horizontal plate, the external diameter of inner tube equals with the diameter of mounting hole, the inner tube is arranged in the mounting hole, and with first horizontal plate and the equal fixed connection of second horizontal plate.
Through adopting above-mentioned technical scheme, the diameter of inner tube and the diameter of mounting hole are equal in order to reduce the omission of conduction oil.
Optionally, the first horizontal plate is further provided with a plurality of grooves, and temperature control thermocouples are arranged in the grooves.
By adopting the technical scheme, the temperature control thermocouple can control the temperature of the heating element, so that the test temperature can be conveniently adjusted by personnel; the recess is for easy installation of a temperature-controlled thermocouple.
Optionally, a plurality of wiring holes are further formed in the first horizontal plate, and the wiring holes are evenly formed in the circumferential direction of the inner pipe.
Through adopting above-mentioned technical scheme, the wiring hole is in order to facilitate carrying out external device's installation, has increased the use flexibility of whole device.
Optionally, the outer wall of the outer pipe is further provided with a third heating element and heat preservation cotton.
By adopting the technical scheme, the third heating element can further accelerate the temperature rise of the heat conduction oil and shorten the heating time of the heat conduction oil; the heat loss can be reduced by the heat insulation cotton.
Optionally, a cover plate is arranged at the top end of the cylinder, a plurality of temperature measuring pieces are arranged on the cover plate, and the temperature measuring pieces are used for measuring the temperature of the heat conduction oil.
Through adopting above-mentioned technical scheme, the apron can reduce the thermal loss in the annular chamber, and the temperature measurement piece can detect the temperature of conduction oil, and the personnel of being convenient for control test temperature.
Optionally, the cover plate is provided with a plurality of first connecting holes and second connecting holes, the first connecting holes are located above the annular cavity, the temperature measuring member penetrates through the first connecting holes, and the second connecting holes are located above the inner cavity of the inner tube.
By adopting the technical scheme, the first connecting hole is used for carrying out comprehensive temperature detection on the heat conduction oil; the second connecting hole is used for penetrating out of a binding post of the second heating element, so that wiring is facilitated, off-line compensation can be performed on the thermocouple, and temperature measurement is achieved.
Optionally, the first connecting hole, the second connecting hole and one side of the inner tube close to the first horizontal plate are respectively provided with a detachable block.
Through adopting above-mentioned technical scheme, the sprue both can reduce the heat loss that brings when opening the apron, help improving experimental accuracy, can also fix the position of temperature measurement piece, play the effect of support.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the barrel for containing the heat conduction oil can provide an oxygen-free environment for the test, so that the influence of environmental factors on the sample can be reduced, and the accuracy of the heat treatment test is improved;
2. the temperature of the heating element can be controlled by arranging the temperature control thermocouple, so that the test temperature can be conveniently adjusted by personnel;
3. through setting up the third heating member, can further accelerate the temperature of conduction oil and promote, shorten the heat duration of conduction oil.
Drawings
Fig. 1 is a perspective cross-sectional view of a heat treatment test heating apparatus according to an embodiment of the present application.
Fig. 2 is a schematic diagram of the overall structure of a heat treatment test heating device according to an embodiment of the present application.
Fig. 3 is an enlarged view at a in fig. 2.
Fig. 4 is an enlarged view at B in fig. 2.
Description of reference numerals: 1. a base; 11. a first horizontal plate; 12. a second horizontal plate; 2. a first heating member; 3. a barrel; 31. an inner tube; 32. an outer tube; 4. mounting holes; 5. an annular cavity; 6. a second heating member; 7. a thermocouple; 8. a third heating member; 9. heat preservation cotton; 10. iron wires; 13. a groove; 14. a temperature control thermocouple; 15. a wiring hole; 16. a cover plate; 17. a temperature measuring part; 18. a first connection hole; 19. a second connection hole; 20. blocking; 21. and (5) supporting the tube.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a heating device for a heat treatment test. Referring to fig. 1, a heat treatment test heating device, including base 1, first heating member 2 and barrel 3, base 1 includes first horizontal plate 11 and second horizontal plate 12 that horizontal interval set up, the thickness of first horizontal plate 11 is 25mm in this embodiment, the thickness of second horizontal plate 12 is 20mm, barrel 3 includes inner tube 31 and outer tube 32, all be equipped with mounting hole 4 on first horizontal plate 11 and the second horizontal plate 12, the external diameter of inner tube 31 equals with the diameter of mounting hole 4, inner tube 31 is located mounting hole 4, and with first horizontal plate 11 and the equal welded connection of second horizontal plate 12, first horizontal plate 11 and second horizontal plate 12 separate first heating member 2 and annular chamber 5, have provided installation space for first heating member 2.
Referring to fig. 1, the outer tube 32 and the inner tube 31 are coaxial, the diameter of the outer tube 32 is greater than that of the inner tube 31, the diameter of the outer wall of the outer tube 32 is 659mm in this embodiment, the diameter of the outer wall of the inner tube 31 is 150mm, an annular cavity 5 is formed by the inner wall of the outer tube 32 and the outer wall of the inner tube 31, heat conduction oil is contained in the annular cavity 5, the heat conduction oil is heat conduction silicone oil in this embodiment, and the bottom of the outer tube 32 is welded to the second horizontal plate 12; the first heating element 2 is welded between the first horizontal plate 11 and the second horizontal plate 12, the conduction oil can provide an anaerobic environment for the test, and the conduction oil in the annular cavity 5 can be heated by the first heating element 2, so that the required environment temperature for the test can be obtained.
In order to accelerate the temperature rise of the heat conduction oil, the second heating element 6 is further placed inside the inner pipe 31, and the second heating element 6 in the inner pipe 31 can shorten the heating time of the heat conduction oil, so that the preparation time of the test is shortened. In order to control the heating temperature of the inner pipe 31, a thermocouple 7 is welded inside the inner pipe 31, and the distance between the temperature measuring end of the thermocouple 7 and the upper surface of the second horizontal plate 12 is 300mm in this embodiment.
Still be equipped with third heating member 8 and heat preservation cotton 9 on the outer wall of outer tube 32, first heating member 2 in this embodiment, second heating member 6 and third heating member 8 are resistance heater, and wherein the thickness of first heating member 2 is 5mm, and the thickness of heat preservation cotton 9 is 60mm, and third heating member 8 uses iron wire 10 ligature on the outer tube 32 outer wall with heat preservation cotton 9. The third heating element 8 can further accelerate the temperature rise of the heat conduction oil and shorten the heating time of the heat conduction oil; the heat insulation cotton 9 can reduce the heat loss.
Referring to fig. 2 and 3, the first horizontal plate 11 is further provided with a plurality of grooves 13, in this embodiment, there are four grooves 13, the diameter of each groove 13 is 1mm, and a temperature control thermocouple 14 is disposed in each groove 13. The temperature control thermocouple 14 can control the temperature of the heating element, so that the test temperature can be conveniently adjusted by personnel; the recess 13 is for the convenience of mounting a temperature-controlled thermocouple 14. In order to facilitate the installation of external equipment, still be equipped with a plurality of wiring holes 15 on the first horizontal plate 11, this embodiment wiring hole 15 has 8, and the diameter is 30mm, and wiring hole 15 evenly sets up along inner tube 31 circumference to the use flexibility of whole device has been increased.
Referring to fig. 2, a cover plate 16 is placed on the top end of the cylinder 3, a plurality of temperature measuring pieces 17 are arranged on the cover plate 16, the number of the temperature measuring pieces 17 is four in the embodiment, and the temperature measuring pieces 17 are used for measuring the temperature of heat conducting oil. The cover plate 16 can reduce the loss of heat in the annular cavity 5, the temperature measuring part 17 can detect the temperature of heat conducting oil, and the personnel of being convenient for control the test temperature.
Referring to fig. 4, the cover plate 16 is provided with a plurality of first connection holes 18 and second connection holes 19, in the embodiment, there are four first connection holes 18 and four second connection holes 19, and the first connection holes 18 are located above the annular cavity 5, have a diameter of 30mm, and are used for performing comprehensive temperature detection on the heat conduction oil; the second connecting hole 19 is located above the inner cavity of the inner tube 31, and is used for penetrating out of a binding post of the second heating element 6, so that wiring is facilitated, and off-line compensation can be performed on the thermocouple 7, so that temperature measurement is realized.
The first connecting hole 18, the second connecting hole 19 and one side of the inner tube 31 close to the first horizontal plate 11 are all provided with a detachable block 20, and the block 20 is heat preservation cotton 9 in the embodiment. The blocking block 20 can reduce heat loss caused by opening the cover plate 16, is beneficial to improving the accuracy of the test, and can also fix the position of the temperature measuring part 17 to play a supporting role.
Referring to fig. 2, in order to facilitate the connection of each terminal to the heating device, four support pipes 21 are welded below the first horizontal plate 11, wherein the support pipes 21 have a diameter of 100mm and a length of 80mm in the present embodiment.
The implementation principle of the heating device for the heat treatment test in the embodiment of the application is as follows: when the heating device is installed, the temperature control thermocouple 14 is close to the groove 13 on the first horizontal plate 11 and is welded, the first heating element 2 is laid on the first horizontal plate 11, and the wiring of the first heating element 2 extends out of the wiring hole 15; subsequently, the second horizontal plate 12 is placed on the first heating member 2 such that the mounting holes 4 of the first horizontal plate 11 and the second horizontal plate 12 are coaxial; then, the inner pipe 31 is put into the mounting hole 4 and is welded with the first horizontal plate 11 and the second horizontal plate 12; welding the thermocouple 7 in the inner tube 31; then the bottom of the outer pipe 32 is welded with the second horizontal plate 12, the outer pipe 32 is coaxial with the inner pipe 31, and the third heating element 8 and the heat preservation cotton 9 are sequentially bound on the outer wall of the outer pipe 32 by using the iron wire 10.
In the test, heat conducting oil is poured into the annular cavity 5 formed by the outer pipe 32 and the inner pipe 31, then the cover plate 16 is placed at the top end of the barrel 3, and the wiring of the second heating member 6 extends out of the second connecting hole 19, so that the second heating member 6 is placed in the inner pipe 31. Then, one end of the inner pipe 31 close to the first horizontal plate 11 is plugged with the blocking block 20, so that cold air is prevented from entering; and the temperature measuring part is placed in the annular cavity from the second connecting hole 19 of the cover plate 16, so that the temperature of the heat conducting oil can be detected.
And finally, opening the first heating element 2, the second heating element 6 and the third heating element 8, and preserving heat when the temperature of the heat-conducting oil meets the test requirement, so that the test can be carried out immediately. The heating device for the heat treatment test has the effect of improving the accuracy of the heat treatment test.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The heating device for the heat treatment test is characterized by comprising a base (1), a first heating element (2) and a barrel body (3), wherein the base (1) comprises a first horizontal plate (11) and a second horizontal plate (12) which are horizontally arranged at intervals, the barrel body (3) comprises an inner tube (31) and an outer tube (32), the first horizontal plate (11) and the second horizontal plate (12) are fixedly connected with the inner tube (31), the outer tube (32) is coaxial with the inner tube (31), the diameter of the outer tube (32) is larger than that of the inner tube (31), the inner wall of the outer tube (32) and the outer wall of the inner tube (31) form an annular cavity (5), heat conduction oil is contained in the annular cavity (5), and the bottom of the outer tube (32) is fixedly connected with the second horizontal plate (12); the first heating element (2) is located between a first horizontal plate (11) and a second horizontal plate (12); a second heating member (6) is provided inside the inner tube (31).
2. The heating device for the heat treatment test according to claim 1, wherein the first horizontal plate (11) and the second horizontal plate (12) are provided with mounting holes (4), the outer diameter of the inner pipe (31) is equal to the diameter of the mounting hole (4), the inner pipe (31) is positioned in the mounting hole (4) and is fixedly connected with the first horizontal plate (11) and the second horizontal plate (12); the heat conducting oil is positioned in the annular cavity (5) between the inner wall of the outer pipe (32) and the outer wall of the inner pipe (31).
3. The heat treatment test heating device according to claim 2, wherein a plurality of grooves (13) are further formed in the first horizontal plate (11), and a temperature control thermocouple (14) is arranged in each groove (13).
4. The heat treatment test heating device according to claim 3, wherein a plurality of wiring holes (15) are further formed in the first horizontal plate (11), and the wiring holes (15) are uniformly arranged along the circumferential direction of the inner tube (31).
5. The heat treatment test heating device according to claim 1, wherein the outer wall of the outer tube (32) is further provided with a third heating element (8) and heat-insulating cotton (9).
6. The heating device for the heat treatment test according to claim 1, wherein a cover plate (16) is arranged at the top end of the cylinder (3), a plurality of temperature measuring pieces (17) are arranged on the cover plate (16), and the temperature measuring pieces (17) are used for measuring the temperature of the heat conducting oil.
7. The heating device for the heat treatment test according to claim 6, wherein the cover plate (16) is provided with a plurality of first connecting holes (18) and second connecting holes (19), the first connecting holes (18) are located above the annular cavity (5), the temperature measuring member (17) penetrates through the first connecting holes (18), and the second connecting holes (19) are located above the inner cavity of the inner tube (31).
8. The heat treatment test heating apparatus according to claim 7, wherein the first connecting hole (18), the second connecting hole (19) and the side of the inner pipe (31) close to the first horizontal plate (11) are provided with detachable blocks (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120349196.0U CN214703396U (en) | 2021-02-07 | 2021-02-07 | Heating device for heat treatment test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120349196.0U CN214703396U (en) | 2021-02-07 | 2021-02-07 | Heating device for heat treatment test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214703396U true CN214703396U (en) | 2021-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120349196.0U Active CN214703396U (en) | 2021-02-07 | 2021-02-07 | Heating device for heat treatment test |
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| Country | Link |
|---|---|
| CN (1) | CN214703396U (en) |
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2021
- 2021-02-07 CN CN202120349196.0U patent/CN214703396U/en active Active
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