CN211503696U - Circulating box type resistance furnace for laboratory - Google Patents
Circulating box type resistance furnace for laboratory Download PDFInfo
- Publication number
- CN211503696U CN211503696U CN201922212319.1U CN201922212319U CN211503696U CN 211503696 U CN211503696 U CN 211503696U CN 201922212319 U CN201922212319 U CN 201922212319U CN 211503696 U CN211503696 U CN 211503696U
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- 230000005540 biological transmission Effects 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 18
- 239000010410 layer Substances 0.000 claims description 13
- 238000013016 damping Methods 0.000 claims description 12
- 239000011241 protective layer Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 8
- 239000000428 dust Substances 0.000 description 8
- 238000004321 preservation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides a laboratory is with box resistance furnace that circulates. Laboratory is with box resistance furnace that circulates, the on-line screen storage device comprises a base, the equal fixedly connected with hydraulic stretching post in both sides at base top, two fixedly connected with furnace body between the top of hydraulic stretching post, the bottom fixedly connected with circulating fan at the furnace body back, the top fixedly connected with fixed plate at the furnace body back, one side fixedly connected with cooling tube of fixed plate, circulating fan's output shaft runs through the inside that the cooling tube just extended to the cooling tube. The utility model provides a laboratory carries out convection heat transfer through low temperature resistance stove with circulation box resistance stove, through the control airflow velocity of flow to can be accurate, sensitive control furnace's temperature, the programming rate is fast simultaneously, the furnace temperature is even, and the device can adjust at will the height, can remove it in a flexible way, also can fix it well after removing, slides away when preventing to support, and the device still has dirt-proof advantage simultaneously.
Description
Technical Field
The utility model relates to a box resistance furnace field especially relates to a laboratory is with box resistance furnace that circulates.
Background
The resistance furnace is an industrial furnace which heats an electric heating element or a heating medium in the furnace by using current so as to heat a workpiece or a material, and is a heating furnace which generates heat energy by using current through a resistance material.
The hot air of the existing laboratory resistance furnace circularly flows along the length direction of the hearth. The hot air inlet end of the hearth is a high-temperature end, and the outlet end of the hearth is a low-temperature end, so that the temperature difference of the hearth is difficult to control accurately, and the heat treatment effect of a workpiece is influenced to a certain extent.
Therefore, it is necessary to provide a circulating box type resistance furnace for a laboratory to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a laboratory is with circulation box resistance furnace has solved the difficult accurate control's of current resistance furnace difference in temperature problem.
In order to solve the technical problem, the utility model provides a laboratory is with circulation box resistance furnace, including the base, the both sides at base top are all fixedly connected with hydraulic stretching post, two fixedly connected with furnace body between the top of hydraulic stretching post, the bottom at the furnace body back is fixedly connected with circulating fan, the top at the furnace body back is fixedly connected with the fixed plate, one side of fixed plate is fixedly connected with the cooling tube, the output shaft of circulating fan runs through the cooling tube and extends to the inside of cooling tube, the output shaft of circulating fan is fixedly connected with the first belt pulley, one side of the inside wall of cooling tube is rotated and is connected with the transmission shaft, the surface of transmission shaft is fixedly connected with the second belt pulley, the surface of first belt pulley is connected with the surface transmission of second belt pulley through the belt, one end of transmission shaft runs through the furnace body and extends to the inside of furnace, one end of the transmission shaft is fixedly connected with an impeller.
Preferably, both sides at the top of the furnace body are provided with fixedly connected heaters, both sides at the top of the inner wall of the heater are provided with conducting strips, two heating pipes are fixedly connected between the bottoms of the conducting strips, fixing parts are fixedly connected between both sides of the inner wall of the heater, and the bottoms of the heating pipes sequentially penetrate through the fixing parts and the furnace body and extend to the inside of the furnace body.
Preferably, the top of furnace body intercommunication has the blast pipe, the bottom intercommunication of furnace body one side has the intake pipe, the equal fixedly connected with of top of furnace body inner wall and the bottom of inner wall one side frame that prevents dust, the inside of preventing dust is provided with the dust screen, the both sides at furnace body top all are provided with temperature measuring device, temperature measuring device's bottom is run through the furnace body and is extended to the inside of furnace body.
Preferably, the both sides of furnace body inner wall bottom are the equal fixedly connected with telescopic link, two fixedly connected with furnace between the top of telescopic link, the surface of telescopic link just is located and is equipped with damping spring between the bottom of furnace body inner wall and the bottom of furnace.
Preferably, the equal fixedly connected with fixed block in both sides of base inner wall bottom, the top fixedly connected with of base inner wall rotates the motor, two the connecting rod has all been run through to the inside of fixed block, rotate the first gear of output shaft fixedly connected with of motor, two the equal fixedly connected with second gear in one side that the connecting rod is relative, the equal fixedly connected with universal wheel in both sides of base bottom.
Preferably, first gear meshes with the second gear mutually, two the equal fixed connection third gear in one side that the connecting rod leaves mutually, the both sides of base inner wall bottom just are located one side that two fixed blocks leave mutually and all rotate and are connected with the threaded rod.
Preferably, the top fixedly connected with fourth gear on screw rod surface, the third gear meshes with the fourth gear mutually, the surperficial threaded connection of threaded rod has the brake block, the bottom of brake block runs through the base and extends to the outside of base.
Preferably, the surface of furnace body rotates and is connected with the furnace gate, the fixed surface of furnace gate is connected with the handle, one side fixedly connected with switch board of furnace gate, one side of switch board articulates through the hinge has the cabinet door, one side fixedly connected with on cabinet door surface draws the button, the observation window has been seted up on the surface of cabinet door.
Preferably, the inside of furnace body is provided with the heat preservation, the insulating layer has been pasted to one side of heat preservation, the protective layer has been pasted to one side of insulating layer.
Compared with the prior art, the utility model provides a laboratory is with circulation box resistance stove has following beneficial effect:
the utility model provides a circulating box type resistance furnace for laboratory, aluminum alloy to be treated is put into the furnace chamber, then the heater is electrified, thereby the heating pipe is electrified, thereby the channel between the furnace body and the furnace chamber is heated, then the circulating fan is started, thereby the first belt pulley is driven to rotate through the output shaft, thereby the second belt pulley is driven to rotate through the belt, thereby the transmission shaft is driven to rotate, thereby the impeller is driven to rotate, thereby the flowing speed of gas is enhanced, thereby the heat transfer is accelerated, and the uniformity of the temperature in the furnace is improved, when the device is required to be moved, then the device is moved through the universal wheel, when the device is required to be stopped, the rotating motor is started, thereby the first gear is driven to rotate, thereby the second gear is driven to rotate, and the connecting rod is connected with the fixed block in a rotating way, so the connecting rod can also rotate, thereby, thereby drive the threaded rod and rotate to make the brake block rotate, again because the bottom of brake block runs through the base, so the brake block can't rotate, only can the downstream, thereby block the universal wheel, thereby make the device stop to move, at the removal in-process, if meet the road surface uneven, just can pass through telescopic link extrusion damping spring, thereby make damping spring have an elasticity, thereby make furnace keep the former state, thereby reach absorbing effect.
Drawings
Fig. 1 is a schematic structural view of a preferred embodiment of a circulating box-type resistance furnace for a laboratory according to the present invention;
FIG. 2 is a schematic side view of the furnace body shown in FIG. 1;
FIG. 3 is a schematic surface view of the furnace body shown in FIG. 1;
FIG. 4 is a schematic side view of the surface structure of the furnace body shown in FIG. 1;
FIG. 5 is a schematic sectional view of a part of the furnace body shown in FIG. 1;
FIG. 6 is an enlarged view of a portion of FIG. 1 at A;
fig. 7 is a partial enlarged view of fig. 1 at B.
Reference numbers in the figures: 1. the base, 2, hydraulic stretching post, 3, the furnace body, 4, circulating fan, 5, the fixed plate, 6, the cooling tube, 7, first belt pulley, 8, the transmission shaft, 9, the second belt pulley, 10, the impeller, 11, the heater, 12, the conducting strip, 13, the heating pipe, 14, the mounting, 15, the blast pipe, 16, the intake pipe, 17, the dustproof frame, 18, temperature measuring device, 19, the telescopic link, 20, the furnace, 21, damping spring, 22, the fixed block, 23, the rotating electrical machines, 24, the connecting rod, 25, first gear, 26, the second gear, 27, the third gear, 28, the threaded rod, 29, the fourth gear, 30, the brake block, 31, the universal wheel, 32, the furnace gate, 33, the switch board, 34, the cabinet door, 35, the pull button, 36, the observation window, 37, the heat preservation, 38, the insulating layer, 39, the protective layer, 40, the dust screen, 41, the handle.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6 and fig. 7 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a circulating box-type resistance furnace for a laboratory according to the present invention; FIG. 2 is a schematic side view of the furnace body shown in FIG. 1; FIG. 3 is a schematic surface view of the furnace body shown in FIG. 1; FIG. 4 is a schematic side view of the surface structure of the furnace body shown in FIG. 1; FIG. 5 is a schematic sectional view of a part of the furnace body shown in FIG. 1; FIG. 6 is an enlarged view of a portion of FIG. 1 at A; fig. 7 is a partial enlarged view of fig. 1 at B. The laboratory circulating box type resistance furnace comprises a base 1, wherein hydraulic telescopic columns 2 are fixedly connected to two sides of the top of the base 1, a furnace body 3 is fixedly connected between the tops of the hydraulic telescopic columns 2, a circulating fan 4 is fixedly connected to the bottom of the back of the furnace body 3, a fixing plate 5 is fixedly connected to the top of the back of the furnace body 3, a radiating pipe 6 is fixedly connected to one side of the fixing plate 5, an output shaft of the circulating fan 4 penetrates through the radiating pipe 6 and extends to the inside of the radiating pipe 6, a first belt pulley 7 is fixedly connected to the output shaft of the circulating fan 4, a transmission shaft 8 is rotatably connected to one side of the inner wall of the radiating pipe 6, a second belt pulley 9 is fixedly connected to the surface of the transmission shaft 8, the surface of the first belt pulley 7 is in transmission connection with the surface of the second belt pulley 9 through a belt, one end of the, the one end fixedly connected with impeller 10 of transmission shaft 8, start circulating fan 4, thereby it rotates to drive first belt pulley 7 through the output shaft, thereby it rotates to drive second belt pulley 9 through the belt, thereby it rotates to drive transmission shaft 8, thereby it rotates to drive impeller 10, thereby make the flow speed reinforcing of gas, thereby accelerate the heat transfer, and improve the interior temperature homogeneity of stove, impeller 10 sets up to 8, for avoiding the heat transfer in the stove to transfer circulating fan 4, cause circulating fan 4 high temperature, influence circulating fan 4's steady operation, so the utility model discloses a hollow transmission shaft 8, and set up the louvre on transmission shaft 8, thereby effectually prevented that the heat transfer in the stove from transferring to circulating fan 4.
The heating furnace is characterized in that fixedly connected heaters 11 are arranged on two sides of the top of the furnace body 3, conductive plates 12 are arranged on two sides of the top of the inner wall of each heater 11, heating pipes 13 are fixedly connected between the bottoms of the conductive plates 12, fixing parts 14 are fixedly connected between two sides of the inner wall of each heater 11, the bottoms of the heating pipes 13 sequentially penetrate through the fixing parts 14 and the furnace body 3 and extend to the inside of the furnace body 3, and the heating pipes 13 are resistance wire-sleeved quartz pipes and are used for electrifying the heaters 11, so that the heating pipes 13 are electrified, and a channel between the furnace body 3 and the hearth 20 is heated.
The top intercommunication of furnace body 3 has blast pipe 15, the bottom intercommunication of 3 one sides of furnace body has intake pipe 16, the equal fixedly connected with dustproof frame 17 in top of 3 inner walls of furnace body and the bottom of inner wall one side, the inside of dustproof frame 17 is provided with dust screen 40, the both sides at 3 tops of furnace body all are provided with temperature measuring device 18, temperature measuring device 18's bottom is run through furnace body 3 and is extended to the inside of furnace body 3, gets into the air through intake pipe 16, through blast pipe 15 exhaust air, dustproof frame 17 is used for placing dust screen 40, and dust screen 40 is used for placing the dust and gets into furnace body 3, and temperature measuring device 18 includes the sensitive instrument and the thermocouple of measurement temperature.
The equal fixedly connected with telescopic link 19 in both sides of 3 inner wall bottoms of furnace bodies, two fixedly connected with furnace 20 between the top of telescopic link 19, the cover is equipped with damping spring 21 between the bottom that the surface of telescopic link 19 just is located 3 inner walls of furnace bodies and the bottom of furnace 20, removes the in-process, if meet the road surface uneven, just can extrude damping spring 21 through telescopic link 19 to make damping spring 21 have an elasticity, thereby make furnace 20 keep the former state, thereby reach absorbing effect.
Equal fixedly connected with fixed block 22 in both sides of 1 inner wall bottom of base, the top fixedly connected with of 1 inner wall of base rotates motor 23, two connecting rod 24 has all been run through to the inside of fixed block 22, rotate the first gear 25 of output shaft fixedly connected with of motor 23, two the equal fixedly connected with second gear 26 in one side that connecting rod 24 is relative, the equal fixedly connected with universal wheel 31 in both sides of 1 bottom of base needs to remove the time, then removes the device through universal wheel 31, when needing to stop, starts to rotate motor 23 to drive first gear 25 and rotate.
The top fixedly connected with fourth gear 29 on threaded rod 28 surface, third gear 27 meshes with fourth gear 29 mutually, the surperficial threaded connection of threaded rod 28 has brake block 30, the outside that base 1 just extended to base 1 is run through to the bottom of brake block 30, and threaded rod 28 rotates to make brake block 30 rotate, because the bottom of brake block 30 runs through base 1 again, so brake block 30 can't rotate, only can the downstream, thereby blocks universal wheel 31, thereby makes the device stop to move.
The surface of furnace body 3 is rotated and is connected with furnace gate 32, the fixed surface of furnace gate 32 is connected with handle 41, one side fixedly connected with switch board 33 of furnace gate 32, one side of switch board 33 articulates through the hinge has cabinet door 34, one side fixedly connected with on cabinet door 34 surface draws button 35, observation window 36 has been seted up on the surface of cabinet door 34, and switch board 33 is inside to be provided with overtemperature protection, earth leakage protection, transship, fuse etc. the button 35 is drawn to the accessible and opens cabinet door 34, still can run through the internal component situation through observation window 36, sets up the locking hand wheel around furnace gate 32.
The furnace body 3 is internally provided with a heat preservation layer 37, a heat insulation layer 38 is pasted on one side of the heat preservation layer 37, a protection layer 39 is pasted on one side of the heat insulation layer 38, and the heat preservation layer 37 is made of light heat insulation materials such as aluminum silicate refractory fibers, so that the furnace body has the advantages of less heat storage, high heating speed and energy conservation.
The utility model provides a working principle of laboratory is with circulation box resistance furnace as follows:
firstly, the door 32 of the furnace is opened through the handle 41, then the aluminum alloy to be treated is put into the furnace 20, then the heater 11 is electrified, so that the heating pipe 13 is electrified, so that the channel between the furnace body 3 and the furnace 20 is heated, then the circulating fan 4 is started, so that the first belt pulley 7 is driven to rotate through the output shaft, so that the second belt pulley 9 is driven to rotate through the belt, so that the transmission shaft 8 is driven to rotate, so that the impeller 10 is driven to rotate, when the device needs to be moved, then the universal wheel 31 is driven to move, when the device needs to be stopped, the rotating motor 23 is started, so that the first gear 25 is driven to rotate, so that the second gear 26 is driven to rotate, the connecting rod 24 is rotationally connected with the fixed block 22, so that the connecting rod 24 also rotates, so that the third gear 27 is driven to rotate, so that the fourth gear 29 is driven to rotate, so, and because the bottom of the brake block 30 runs through the base 1, the brake block 30 can not rotate and only moves downwards, so that the universal wheel 31 is clamped, and in the moving process, if the road surface is uneven, the damping spring 21 is extruded through the telescopic rod 19, so that the damping spring 21 has an elastic force, the hearth 20 is kept original, and the hydraulic telescopic column 2 can be lifted only by starting.
Compared with the prior art, the utility model provides a laboratory is with circulation box resistance stove has following beneficial effect:
putting the aluminum alloy to be treated into the inside of the furnace 20, and then energizing the heater 11, thereby energizing the heating pipe 13, thereby heating the passage between the furnace body 3 and the furnace 20, then starting the circulating fan 4, thereby driving the first pulley 7 to rotate through the output shaft, thereby driving the second pulley 9 to rotate through the belt, thereby driving the transmission shaft 8 to rotate, thereby driving the impeller 10 to rotate, thereby enhancing the flow rate of the gas, thereby accelerating the heat transfer, and improving the uniformity of the temperature in the furnace, when it is necessary to move, then moving the device through the universal wheel 31, when it is necessary to stop, starting the rotating motor 23, thereby driving the first gear 25 to rotate, thereby driving the second gear 26 to rotate, and the connecting rod 24 is rotatably connected with the fixed block 22, so the connecting rod 24 is also rotated, thereby rotating the third gear 27, thereby driving the fourth gear 29 to rotate, thereby drive threaded rod 28 and rotate to make brake block 30 rotate, because the bottom of brake block 30 runs through base 1 again, so brake block 30 can't rotate, only can move down to block universal wheel 31, thereby make the device stop moving, in the removal process, if meet the road surface unevenness, just can pass through telescopic link 19 extrusion damping spring 21, thereby make damping spring 21 have an elasticity, thereby make furnace 20 keep the former state, thereby reach absorbing effect.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a laboratory is with circulation box resistance furnace, includes base (1), its characterized in that: the improved boiler is characterized in that hydraulic telescopic columns (2) are fixedly connected to two sides of the top of the base (1), a boiler body (3) is fixedly connected between the tops of the hydraulic telescopic columns (2), a circulating fan (4) is fixedly connected to the bottom of the back of the boiler body (3), a fixing plate (5) is fixedly connected to the top of the back of the boiler body (3), a radiating pipe (6) is fixedly connected to one side of the fixing plate (5), an output shaft of the circulating fan (4) penetrates through the radiating pipe (6) and extends into the radiating pipe (6), a first belt pulley (7) is fixedly connected to an output shaft of the circulating fan (4), a transmission shaft (8) is rotatably connected to one side of the inner wall of the radiating pipe (6), a second belt pulley (9) is fixedly connected to the surface of the transmission shaft (8), and the surface of the first belt pulley (7) is connected with the surface of the second, one end of the transmission shaft (8) penetrates through the furnace body (3) and extends into the furnace body (3), and one end of the transmission shaft (8) is fixedly connected with an impeller (10).
2. The laboratory circulating box type resistance furnace as claimed in claim 1, wherein both sides of the top of the furnace body (3) are provided with fixedly connected heaters (11), both sides of the top of the inner wall of the heaters (11) are provided with conducting strips (12), a heating pipe (13) is fixedly connected between the bottoms of the two conducting strips (12), a fixing part (14) is fixedly connected between both sides of the inner wall of the heaters (11), and the bottom of the heating pipe (13) sequentially penetrates through the fixing part (14) and the furnace body (3) and extends to the inside of the furnace body (3).
3. The laboratory circulating box type resistance furnace as claimed in claim 1, wherein the top of the furnace body (3) is communicated with an exhaust pipe (15), the bottom of one side of the furnace body (3) is communicated with an air inlet pipe (16), the top of the inner wall of the furnace body (3) and the bottom of one side of the inner wall are both fixedly connected with a dustproof frame (17), a dustproof net (40) is arranged inside the dustproof frame (17), temperature measuring devices (18) are arranged on both sides of the top of the furnace body (3), and the bottom of the temperature measuring devices (18) penetrates through the furnace body (3) and extends into the furnace body (3).
4. The laboratory circulating box type resistance furnace as claimed in claim 1, wherein telescopic rods (19) are fixedly connected to both sides of the bottom of the inner wall of the furnace body (3), a hearth (20) is fixedly connected between the tops of the two telescopic rods (19), and a damping spring (21) is sleeved on the surface of each telescopic rod (19) and located between the bottom of the inner wall of the furnace body (3) and the bottom of the hearth (20).
5. The laboratory circulating box type resistance furnace as claimed in claim 1, wherein both sides of the bottom of the inner wall of the base (1) are fixedly connected with fixing blocks (22), the top of the inner wall of the base (1) is fixedly connected with a rotating motor (23), connecting rods (24) penetrate through the two fixing blocks (22), an output shaft of the rotating motor (23) is fixedly connected with a first gear (25), both sides of the connecting rods (24) opposite to each other are fixedly connected with a second gear (26), and both sides of the bottom of the base (1) are fixedly connected with universal wheels (31).
6. The laboratory circulating box type resistance furnace as claimed in claim 5, characterized in that the first gear (25) is meshed with the second gear (26), the side of the two connecting rods (24) away from each other is fixedly connected with the third gear (27), and the two sides of the bottom of the inner wall of the base (1) and the side of the two fixing blocks (22) away from each other are rotatably connected with the threaded rod (28).
7. The laboratory circulating box type resistance furnace as claimed in claim 6, wherein a fourth gear (29) is fixedly connected to the top of the surface of the threaded rod (28), the third gear (27) is meshed with the fourth gear (29), a brake block (30) is connected to the surface of the threaded rod (28) in a threaded manner, and the bottom of the brake block (30) penetrates through the base (1) and extends to the outside of the base (1).
8. The laboratory is with circulating box resistance furnace of claim 1, characterized in that the surface of furnace body (3) is connected with furnace door (32) in a rotating manner, the fixed surface of furnace door (32) is connected with handle (41), one side of furnace door (32) is fixedly connected with switch board (33), one side of switch board (33) is hinged with cabinet door (34) through hinge, one side of cabinet door (34) surface is fixedly connected with pull button (35), the surface of cabinet door (34) is opened with observation window (36).
9. The laboratory circulating box type resistance furnace as claimed in claim 1, wherein a heat insulating layer (37) is arranged inside the furnace body (3), a heat insulating layer (38) is adhered to one side of the heat insulating layer (37), and a protective layer (39) is adhered to one side of the heat insulating layer (38).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922212319.1U CN211503696U (en) | 2019-12-11 | 2019-12-11 | Circulating box type resistance furnace for laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922212319.1U CN211503696U (en) | 2019-12-11 | 2019-12-11 | Circulating box type resistance furnace for laboratory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211503696U true CN211503696U (en) | 2020-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922212319.1U Expired - Fee Related CN211503696U (en) | 2019-12-11 | 2019-12-11 | Circulating box type resistance furnace for laboratory |
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| Country | Link |
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| CN (1) | CN211503696U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110906739A (en) * | 2019-12-11 | 2020-03-24 | 青岛理工大学 | Circulating box type resistance furnace for laboratory |
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2019
- 2019-12-11 CN CN201922212319.1U patent/CN211503696U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110906739A (en) * | 2019-12-11 | 2020-03-24 | 青岛理工大学 | Circulating box type resistance furnace for laboratory |
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Granted publication date: 20200915 Termination date: 20211211 |