CN209802069U - Tube furnace - Google Patents
Tube furnace Download PDFInfo
- Publication number
- CN209802069U CN209802069U CN201920063535.1U CN201920063535U CN209802069U CN 209802069 U CN209802069 U CN 209802069U CN 201920063535 U CN201920063535 U CN 201920063535U CN 209802069 U CN209802069 U CN 209802069U
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- China
- Prior art keywords
- tube
- furnace
- flange
- heat preservation
- box body
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 238000004321 preservation Methods 0.000 claims abstract description 43
- 238000010438 heat treatment Methods 0.000 claims abstract description 31
- 229910052751 metal Inorganic materials 0.000 claims abstract description 29
- 239000002184 metal Substances 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000001816 cooling Methods 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 5
- 239000010431 corundum Substances 0.000 claims description 5
- 229910052593 corundum Inorganic materials 0.000 claims description 5
- 239000011810 insulating material Substances 0.000 claims description 4
- 239000011490 mineral wool Substances 0.000 claims description 3
- GALOTNBSUVEISR-UHFFFAOYSA-N molybdenum;silicon Chemical compound [Mo]#[Si] GALOTNBSUVEISR-UHFFFAOYSA-N 0.000 claims description 3
- 239000010453 quartz Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 claims description 2
- 238000010791 quenching Methods 0.000 abstract description 9
- 230000000171 quenching effect Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The utility model discloses a tube furnace, which comprises an upper box body, a heating element, a ring flange I, a ring flange II, a flange I, a flange II, a pipe plug I, a pipe plug II, a vacuum pump, a molecular pump, a roller I, a roller II, a lower box body, a push rod, a furnace tube, a temperature measuring element I, a temperature measuring element II, a metal tube I, a metal tube II, an electric door, a connecting sleeve, a water cooling box, a support rod I, a support rod II, a heat preservation tube I, a heat preservation tube II, a heat preservation tube III, a heat preservation tube IV and a material level meter; the utility model can directly carry out water quenching treatment on the roasted sample, thus reducing the intermediate transportation process and preventing scalding more safely; two temperature measuring elements are arranged, one is positioned in the furnace tube, and the other is positioned outside the furnace tube, so that the temperature can be conveniently measured in real time, the furnace tube is prevented from being replaced, the temperature is corrected again, and the time is saved.
Description
Technical Field
The utility model belongs to the technical field of the tube furnace, especially, relate to a tube furnace.
background
At present, the tube furnace has the following technical defects: (1) when the pipe (corundum pipe and quartz pipe) is replaced, the temperature needs to be corrected again, which is more complex; (2) according to different heating requirements, different heating elements need to be replaced, and the operation is complex; (3) in the high-temperature process, after a sample meets the requirement, the flange needs to be opened, and the material is taken out for quenching, so that the experimental effect is poor, and the pipe is easily heated unevenly and is easily broken; (4) for the experiment requiring high-temperature quenching, the pipe is easy to break, the quenching time is easy to prolong, and the test result is influenced.
Disclosure of Invention
The utility model aims at solving the deficiencies in the prior art, the utility model provides a tube furnace, including last box 1, heating element 2, ring flange I3, ring flange II4, flange I5, flange II6, pipe plug I7, pipe plug II8, vacuum pump 9, molecular pump 10, gyro wheel I11, gyro wheel II12, lower box 13, push rod 14, furnace tube 15, temperature measuring element I16, temperature measuring element II17, tubular metal resonator I18, tubular metal resonator II19, electrically operated gate 20, adapter sleeve 21, water-cooling tank 22, bracing piece I23, bracing piece II24, insulating tube I25, insulating tube II position 26, insulating tube III 27, insulating tube IV 28, meter 30;
The furnace tube 15 transversely penetrates through the upper box body 1, the heating element 2 is arranged inside the upper box body 1, the heating element 2 is arranged outside the furnace tube 15, two ends inside the furnace tube 15 are respectively provided with a tube plug I7 and a tube plug II8, holes are formed in the tube plug I7 and the tube plug II8, the middle inside the furnace tube 15 is provided with a temperature measuring element I16, the outside of the furnace tube 15 is provided with a temperature measuring element II17, the part of the furnace tube 15, which is positioned outside the upper box body 1, is respectively provided with a heat preservation tube I25 and a heat preservation tube II26, one end of the furnace tube 15 is connected with the metal tube I18 through an annular flange I3, the other end of the metal tube I18 is provided with a flange II6, the other end of the furnace tube 15 is connected with the metal tube II19 through an annular flange II4, the other end of the metal tube II19 is provided with a flange I5, the inner side of the flange I5 is provided with a meter 30 for measuring the position of the tube plug II8, holes are formed in the metal tube I18, a hole 27,
The heat preservation pipe I25 is arranged on a support rod I23, the other end of the support rod I23 is arranged on the side surface of the upper box body 1, the heat preservation pipe II26 is arranged on a support rod II24, the other end of the support rod II24 is arranged on the side surface of the upper box body 1, 4 rollers I11 are arranged at the bottom of the upper box body 1, the rollers I11 are positioned on the lower box body 13, a vacuum pump 9 and a molecular pump 10 are arranged in the lower box body 13, the vacuum pump 9 and the molecular pump 10 are respectively communicated with the interior of the furnace tube 15, and 4 rollers II12 are arranged at the;
Holes are formed in the metal pipe II19 and the heat preservation pipe IV 28, the electric door 20 is arranged on the holes, the holes are communicated with the connecting sleeve 21, the connecting sleeve 21 is communicated with the water cooling box 22, and the water cooling box 22 is placed on the lower box body 13; the flange I5 and the flange II6 are respectively provided with air holes and hole covers.
The tube furnace also comprises a controller which is respectively connected with the heating element 2, the temperature measuring element I16, the temperature measuring element II17, the electric door 20 and the level meter 30.
The tube furnace also comprises a pressure gauge 29, and one end of the pressure gauge 29 penetrates through the flange II6 and then is fixed on the flange II6, and is used for measuring the pressure inside the furnace tube 15.
The heating element 2 is a microwave heater, a silicon-molybdenum heating rod or a silicon-carbon heating rod.
the furnace tube 15 is a corundum tube or a quartz tube.
The temperature measuring element I16 and the temperature measuring element II17 are infrared thermometers.
The push rod 14 is a cross push rod.
The roller I11 and the roller II12 are self-locking rollers.
The heat-insulating pipe I25, the heat-insulating pipe II26, the heat-insulating pipe III 27 and the heat-insulating pipe IV 28 are of a double-layer structure, the inner layer is made of heat-insulating materials, the outer layer is made of stainless steel pipes, and the heat-insulating materials are rock wool.
The tube furnace also comprises a push rod hole cover, a hole matched with the push rod 14 is arranged on the push rod hole cover, the push rod 14 penetrates through the push rod hole cover, and the push rod hole cover is arranged on the flange II6 and used for sealing a gap between the push rod 14 and the flange II 6.
The utility model has the advantages that:
The utility model is provided with two temperature measuring elements, one is positioned inside the furnace tube, and the other is positioned outside the furnace tube, which is convenient for measuring the temperature in real time, avoids the need of correcting the temperature again after replacing the furnace tube, and saves the time; the push rod is convenient to use during quenching, further time is saved, and the pipe is prevented from being broken; the utility model can directly quench the product after the heating is finished, does not need to take out the product, saves time and prevents scalding.
Drawings
Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;
In the figure: 1-upper box body, 2-heating element, 3-circular ring flange I, 4-circular ring flange II, 5-flange I, 6-flange II, 7-pipe plug I, 8-pipe plug II, 9-vacuum pump, 10-molecular pump, 11-roller I, 12-roller II, 13-lower box body, 14-push rod, 15-corundum pipe, 16-temperature measuring element I, 17-temperature measuring element II, 18-metal pipe I, 19-metal pipe II, 20-electric door, 21-connecting sleeve, 22-water cooling box, 23-support rod I, 24-support rod II, 25-heat preservation pipe I, 26-heat preservation pipe II, 27-heat preservation pipe III, 28-heat preservation pipe IV, 29-pressure gauge and 30-level meter.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
Example 1
A tube furnace is shown in figure 1 and comprises an upper box body 1, a heating element 2, a circular ring flange I3, a circular ring flange II4, a flange I5, a flange II6, a pipe plug I7, a pipe plug II8, a vacuum pump 9, a molecular pump 10, a roller I11, a roller II12, a lower box body 13, a push rod 14, a furnace tube 15, a temperature measuring element I16, a temperature measuring element II17, a metal pipe I18, a metal pipe II19, an electric door 20, a connecting sleeve 21, a water cooling box 22, a support rod I23, a support rod II24, a heat preservation pipe I25, a heat preservation pipe II26, a heat preservation pipe III 27, a heat preservation pipe IV 28, a pressure gauge 29, a pressure gauge 30, a controller, a push rod hole cover and a plurality of hole covers;
A furnace tube 15 transversely penetrates the upper box body 1, a heating element 2 is further arranged inside the upper box body 1, the heating element 2 is arranged outside the furnace tube 15, two ends inside the furnace tube 15 are respectively provided with a tube plug I7 and a tube plug II8, holes are formed in the tube plug I7 and the tube plug II8, ventilation is facilitated, and the like, a temperature measuring element I16 is arranged in the middle inside the furnace tube 15 and is used for measuring the internal temperature of the furnace tube 15, a temperature measuring element II17 is arranged outside the furnace tube 15 and is used for measuring the external temperature of the furnace tube 15, the parts of the furnace tube 15, which are positioned outside the upper box body 1, are respectively provided with a heat preservation tube I25 and a heat preservation tube II26, one end of the furnace tube 15 is connected with one end of a metal tube I18 through a circular ring flange I3, the other end of the metal tube I18 is provided with a flange II6, the other end of the furnace tube 15 is connected with one end of the metal tube II19 through a circular ring flange II4, the other end of the metal, a hole matched with the push rod 14 is formed in the push rod hole cover, one end of the push rod 14 penetrates through the hole in the push rod hole cover and the hole in the flange II6 to enter the furnace tube 15, and the push rod hole cover is arranged on the flange II6 in a threaded mode and used for sealing a gap between the push rod 14 and the flange II 6; the flange I5 and the flange II6 are respectively provided with an air hole and a hole cover, when the environment needs to be sealed, the air hole and the air hole are blocked by the hole cover, and the inner side of the flange I5 is provided with a level meter 30 for measuring the position of the pipe plug II 8; one end of a pressure gauge 29 penetrates through the flange II6 and then is fixed on the flange II6 and is used for measuring the pressure inside the furnace tube 15;
The heat preservation pipe I25 is arranged on the support rod I23, the other end of the support rod I23 is arranged on the side face of the upper box body 1, the heat preservation pipe II26 is arranged on the support rod II24, the other end of the support rod II24 is arranged on the side face of the upper box body 1, 4 rollers I11 are arranged at the bottom of the upper box body 1, the roller I11 is positioned on the lower box body 13, a vacuum pump 9 and a molecular pump 10 are arranged in the lower box body 13, the vacuum pump 9 and the molecular pump 10 can be communicated with the interior of the furnace tube 15, the metal pipe I18 and the metal pipe II19 through air holes in the flange I5 and the flange II6, and 4 rollers II; holes are formed in the metal pipe II19 and the heat preservation pipe IV 28, the electric door 20 is arranged on the holes, the holes are communicated with the connecting sleeve 21, the connecting sleeve 21 is communicated with the water cooling box 22, and the water cooling box 22 is placed on the lower box body 13; the controller is respectively connected with the heating element 2, the temperature measuring element I16, the temperature measuring element II17, the electric door 20 and the level meter 30; the heating element 2 is a silicon-molybdenum electric heating rod; the furnace tube 15 is a corundum tube; the temperature measuring element I16 and the temperature measuring element II17 are infrared thermometers; the push rod 14 is a cross push rod; the roller I11 and the roller II12 are self-locking rollers; the heat preservation pipe I25, the heat preservation pipe II26, the heat preservation pipe III 27 and the heat preservation pipe IV 28 are of a double-layer structure, the inner layer is made of heat preservation materials, the outer layer is made of stainless steel pipes, and the heat preservation materials are rock wool; the water cooling tank 22 is provided with a door, so that the water inside the water cooling tank can be replaced, and samples after water quenching can be taken out.
when the tube furnace of the embodiment is used, a sample to be roasted is pushed to the center of a furnace tube 15 by a push rod 14, two ends of the furnace tube 15 are provided with a tube plug I7 and a tube plug II8, a flange I5 and a flange II6 are screwed, one end of the push rod 14 is positioned in the furnace tube 15, the other end of the push rod 14 is positioned outside a flange II6, a push rod hole cover on the push rod 14 is screwed to prevent air leakage, an air inlet hole is sealed by a hole cover, a vacuum pump 9 is connected with the air hole on the flange I5 to start vacuumizing, after a period of time, if a pressure gauge 29 shows that the vacuum degree does not meet the requirement, a molecular pump 10 is changed to vacuumize to the required vacuum degree, after vacuumizing is finished, if the sample is directly roasted under a vacuum condition, a heating element 2 is started to heat the furnace tube 15, a temperature measuring element I16 and a temperature measuring element II17 respectively carry out the inside and the outside of the furnace tube 2, under normal, when the temperature measuring elements I16 and II17 show that the roasting temperature is reached, the temperature measuring elements I16 and II17 feed back the temperature to the controller, the controller adjusts the heating element 2 to carry out the heat preservation stage, when the heat preservation time is reached, the controller closes the heating element 2, the push rod 14 is manually pushed to move the sample, the level meter 30 displays the position of the pipe plug II8, when the set position is reached, the sample just moves to the electric door 20, the level meter 30 feeds back the position to the controller, the controller opens the electric door, the sample enters the water cooling tank 22 along the sleeve 21, and after the cold quenching time is reached, the water cooling tank 22 is manually opened, and the sample is taken out; if the sample needs to be roasted under a certain atmosphere, after the vacuumizing is finished, connecting air holes in a flange II6 with an air bottle needing air, connecting air holes in a flange I5 with a tail gas collecting device, introducing air into the interior of a furnace tube 15, then starting a heating element 2, heating the furnace tube 15, respectively measuring the temperature of the interior and the exterior of the furnace tube 2 by a temperature measuring element I16 and a temperature measuring element II17, under normal conditions, the temperature of the temperature measuring element I16 and the temperature measuring element II17 is the same, when the temperature measuring element I16 and the temperature measuring element II17 reach the roasting temperature, feeding the temperature back to a controller by the temperature measuring element I16 and the temperature measuring element II17, adjusting the heating element 2 by the controller to carry out the heat preservation stage, when the heat preservation time is reached, the controller closes the heating element 2, manually pushes a push rod 14 to move the sample, the level meter 30 displays the position of a tube plug II8, when the set position is reached, the, the position is fed back to the controller by the level meter 30, the electric door is opened by the controller, the sample enters the water cooling tank 22 along the sleeve 21, the water cooling tank 22 is manually opened after the cold quenching time is reached, and the sample is taken out.
Claims (10)
1. a tube furnace is characterized by comprising an upper box body (1), a heating element (2), a circular ring flange I (3), a circular ring flange II (4), a flange I (5), a flange II (6), a pipe plug I (7), a pipe plug II (8), a vacuum pump (9), a molecular pump (10), a roller I (11), a roller II (12), a lower box body (13), a push rod (14), a furnace tube (15), a temperature measuring element I (16), a temperature measuring element II (17), a metal tube I (18), a metal tube II (19), an electric door (20), a connecting sleeve (21), a water cooling box (22), a support rod I (23), a support rod II (24), a heat preservation tube I (25), a heat preservation tube II (level 26), a heat preservation tube III (27), a heat preservation tube IV (28) and a meter (30);
the furnace tube (15) transversely penetrates the upper box body (1), the heating element (2) is arranged inside the upper box body (1), the heating element (2) is arranged outside the furnace tube (15), the two ends inside the furnace tube (15) are respectively provided with a tube plug I (7) and a tube plug II (8), holes are formed in the tube plug I (7) and the tube plug II (8), the middle inside the furnace tube (15) is provided with a temperature measuring element I (16), the outside of the furnace tube (15) is provided with a temperature measuring element II (17), the parts of the furnace tube (15) outside the upper box body (1) are respectively provided with a heat preservation tube I (25) and a heat preservation tube II (26), one end of the furnace tube (15) is connected with one end of the metal tube I (18) through a circular ring flange I (3), the other end of the metal tube I (18) is provided with a flange II (6), the other end of the furnace tube (15) is connected with one end of the metal tube II (19) through a circular, a material level meter (30) is arranged on the flange I (5), a heat preservation pipe III (27) is arranged outside the metal pipe I (18), a heat preservation pipe IV (28) is arranged outside the metal pipe II (19), a hole is formed in the flange II (6), and one end of the push rod (14) penetrates through the hole in the flange II (6) to enter the furnace tube (15); the heat preservation pipe I (25) is arranged on the support rod I (23), the other end of the support rod I (23) is arranged on the side surface of the upper box body (1), the heat preservation pipe II (26) is arranged on the support rod II (24), and the other end of the support rod II (24) is arranged on the side surface of the upper box body (1); the bottom of the upper box body (1) is provided with 4 rollers I (11), the rollers I (11) are positioned on the lower box body (13), a vacuum pump (9) and a molecular pump (10) are arranged in the lower box body (13), and the bottom of the lower box body (13) is provided with 4 rollers II (12); holes are formed in the metal pipe II (19) and the heat preservation pipe IV (28), an electric door (20) is arranged on each hole, each hole is communicated with a connecting sleeve (21), each connecting sleeve (21) is communicated with a water cooling tank (22), and the water cooling tanks (22) are placed on the lower box body (13); the flange I (5) and the flange II (6) are respectively provided with air holes and hole covers.
2. the tube furnace of claim 1, further comprising a controller, wherein the controller is respectively connected with the heating element (2), the temperature measuring element I (16), the temperature measuring element II (17), the electric door (20) and the level meter (30).
3. The tube furnace as claimed in claim 1, further comprising a pressure gauge (29), wherein one end of the pressure gauge (29) passes through the flange II (6) and then is fixed on the flange II (6).
4. the tube furnace according to claim 1, wherein the heating element (2) is a microwave heater, a silicon-molybdenum electrical heating rod or a silicon-carbon electrical heating rod.
5. The tube furnace according to claim 1, wherein the furnace tube (15) is a corundum tube or a quartz tube.
6. The tube furnace of claim 1, wherein the temperature measuring elements I (16) and II (17) are infrared thermometers.
7. The tube furnace according to claim 1, wherein the pusher (14) is a cross pusher.
8. The tube furnace of claim 1, wherein the rollers I (11) and II (12) are self-locking rollers.
9. The tube furnace of claim 1, wherein the insulating tube I (25), the insulating tube II (26), the insulating tube III (27) and the insulating tube IV (28) are of a double-layer structure, the inner layer is made of an insulating material, the outer layer is made of a stainless steel tube, and the insulating material is rock wool.
10. the tube furnace of claim 1, further comprising a push rod hole cover, wherein the push rod hole cover is provided with a hole matched with the push rod (14), the push rod (14) penetrates through the push rod hole cover, and the push rod hole cover is arranged on the flange II (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920063535.1U CN209802069U (en) | 2019-01-15 | 2019-01-15 | Tube furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920063535.1U CN209802069U (en) | 2019-01-15 | 2019-01-15 | Tube furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209802069U true CN209802069U (en) | 2019-12-17 |
Family
ID=68820114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920063535.1U Expired - Fee Related CN209802069U (en) | 2019-01-15 | 2019-01-15 | Tube furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209802069U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114777497A (en) * | 2022-03-18 | 2022-07-22 | 浙江万里学院 | Furnace tube for three-tube cooperation high-temperature-resistant high-vacuum tube furnace |
-
2019
- 2019-01-15 CN CN201920063535.1U patent/CN209802069U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114777497A (en) * | 2022-03-18 | 2022-07-22 | 浙江万里学院 | Furnace tube for three-tube cooperation high-temperature-resistant high-vacuum tube furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191217 Termination date: 20220115 |