CN218210688U

CN218210688U - Temperature measurement structure of internal heating type precise ceramic rotary atmosphere furnace

Info

Publication number: CN218210688U
Application number: CN202221768468.1U
Authority: CN
Inventors: 李明锁; 汪伟民; 陈永平
Original assignee: Nanjing Likavi Intelligent Technology Co ltd
Current assignee: Nanjing Likavi Intelligent Technology Co ltd
Priority date: 2022-07-07
Filing date: 2022-07-07
Publication date: 2023-01-03
Anticipated expiration: 2032-07-07

Abstract

The utility model discloses a temperature measurement structure of accurate pottery rotary atmosphere stove of interior hot type, it relates to pottery rotary atmosphere stove field, aims at solving the inaccurate problem of traditional pottery rotary atmosphere stove temperature measurement, and its technical scheme main points include the staving, wear to be equipped with interior boiler tube in the staving, the inside wrapping up of interior boiler tube has the heat preservation, the temperature measurement hole has been seted up on the heat preservation, the radial direction of boiler tube is seted up along interior boiler tube in the temperature measurement hole, interior boiler tube outside wall has just seted up the temperature measurement groove to the position in temperature measurement hole, wear to be equipped with the thermocouple in the temperature measurement hole, the temperature measurement end of thermocouple is placed at the temperature measurement inslot, the one end that the boiler tube was close to in the temperature measurement hole is provided with the first stop device who restricts the thermocouple position, the one end that the boiler tube was kept away from in the temperature measurement hole is provided with the second stop device who restricts the thermocouple position, the utility model discloses the effect of temperature in the accurate measurement interior boiler tube has been reached.

Description

Temperature measurement structure of internal heating type precise ceramic rotary atmosphere furnace

Technical Field

The utility model belongs to the technical field of the technique of pottery gyration atmosphere stove and specifically relates to a temperature measurement structure of accurate pottery gyration atmosphere stove of interior hot type is related to.

Background

As is well known, in the world of today, there are many materials such as lithium battery materials, activated carbon materials, metal powder materials, catalyst materials, etc., but no matter which materials are developed from raw materials into products for civil use and industrial use, the processes of calcination and sintering cannot be separated. Compared with the traditional metallurgical rotary kiln, cement rotary kiln and the like, the calcining equipment of the powder is required to be finer, and a static mode and a semi-dynamic mode are generally adopted; the static calcining equipment is easy to maintain, but the problems of insufficient calcination, unstable product quality and the like caused by nonuniform heating of materials exist; the semi-dynamic calcining equipment works at a high temperature, so that the problems of failure of a mechanical transmission part, inconvenience in maintenance and the like can easily occur; at present, the industry of various chemical powder materials in China is rapidly developed, especially with the blowout development of the fields of new energy automobiles and electronic consumer goods, the demand of battery powder materials at the core of new energy technology is greatly increased, especially in the field of lithium ion batteries, the demand of the battery powder materials is greatly increased, and therefore, an atmosphere rotary kiln for dynamically sintering the materials becomes mainstream equipment for calcining the battery powder materials.

The existing ceramic rotary atmosphere furnace comprises a placing frame, a barrel body for calcining materials is arranged on the placing frame, furnace tubes for placing the materials are arranged in the barrel body, heating modules for heating the materials are arranged on the inner side wall of the inner furnace tube, a feeding device for feeding the materials into the inner furnace tube is arranged at one end of the barrel body in the length direction, a discharging device is arranged at one end of the barrel body away from the feeding device, a driving device for driving the barrel body to rotate is arranged at one end of the placing frame close to the feeding device, the driving device comprises a motor arranged on the placing frame, a driving gear is sleeved on the motor, a driven rack is arranged on the outer side wall of the barrel body, a driving chain is sleeved on the driven rack and the driving gear, the motor can drive the barrel body to rotate through the driving chain, in order to enable the barrel body to rotate in the placing process on the placing frame, supporting wheel groups of the barrel body are arranged at two ends of the placing frame in the length direction, the furnace tubes slide in order to the materials in the inner furnace tubes conveniently, the barrel body is slightly inclined towards the direction of the discharging device integrally, and an operator needs to add target materials into the inner furnace tubes through the feeding device; an exhaust shell is arranged at one end of the barrel body in the length direction, an exhaust pipe communicated with the inner furnace tube penetrates through the exhaust pipe, an exhaust hole communicated with the exhaust shell is formed in the inner part of the side wall of the exhaust pipe, which is positioned at the exhaust shell, a feed cylinder for feeding the inner furnace tube is penetrated through the exhaust pipe, when an operator needs to calcine the material, the material is fed into the inner furnace tube through the feed cylinder as long as the material is fed into the feed cylinder, the material is fed into the inner furnace tube through the feed cylinder, the drive device is started to drive the barrel body to rotate, the material is discharged from the discharge device after being calcined, the waste gas in the inner furnace tube can enter the exhaust shell through the exhaust pipe, and the waste gas in the exhaust shell can be discharged from the exhaust hole through the exhaust pipe;

a feeding frame is arranged at one end, close to the feeding cylinder, of the placing frame, a cache cylinder is arranged on the feeding frame, a feeding hole is formed in one end, far away from the placing frame, of the cache cylinder, a feeding shell is communicated with the cache cylinder and arranged along the radial direction of the feeding cylinder, a discharging cylinder is communicated with one end, close to the barrel body, of the feeding shell, and the discharging cylinder is rotatably arranged in the feeding cylinder in a penetrating mode; spiral feeder is worn to be equipped with by the feed shell internal rotation, is equipped with the rotation motor on the feed cylinder roof, and the feed shell is formed with the feeding trough at the feed cylinder diapire, rotates to set up on the motor and smooths the pole, holds up to smooths the pole and keeps away from the one end of rotating the motor and is provided with and sweeps the pole, sweeps the rotation orbit of pole and is on a parallel with the feed cylinder diapire.

The above prior art solutions have the following drawbacks: interior boiler tube is interior sealed and high temperature, and during the boiler tube in ordinary thermocouple disect insertion, the leakproofness of boiler tube in can't guaranteeing, directly laminating on the lateral wall of boiler tube including, because interior boiler tube is the ceramic material, the inside and outside difference in temperature of interior boiler tube is great, the temperature in the boiler tube in the reaction department that again can not be accurate, this problem is urgent to be solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a temperature measurement structure of accurate pottery rotary atmosphere stove of interior hot type, it has the effect of temperature in the accurate measurement interior stove pipe.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the temperature measuring structure of the internal heating type precise ceramic rotary atmosphere furnace comprises a barrel body, wherein an inner furnace tube penetrates through the barrel body, a heat insulating layer is wrapped on the outer side of the inner furnace tube, temperature measuring holes are formed in the heat insulating layer and are formed in the radial direction of the inner furnace tube, a temperature measuring groove is formed in the position, right opposite to the temperature measuring holes, of the outer side wall of the inner furnace tube, a thermocouple penetrates through the temperature measuring holes, the temperature measuring end of the thermocouple is placed in the temperature measuring groove, a first limiting device for limiting the position of the thermocouple is arranged at one end, close to the inner furnace tube, of each temperature measuring hole, and a second limiting device for limiting the position of the thermocouple is arranged at one end, far away from the inner furnace tube, of each temperature measuring hole.

Through adopting above-mentioned technical scheme, through having seted up the temperature measurement groove on the outer lateral wall of ceramic interior stove pipe, then fix the thermocouple in the heat preservation through first stop device and second stop device, in the temperature measurement groove with the temperature measurement end insert of thermocouple simultaneously, the cooperation of temperature measurement groove and thermocouple can let the thermocouple closely be close to the inner lateral wall of interior stove pipe more to play the effect that improves the interior stove pipe in temperature lateral mass precision, first stop device and second stop device can be stable fix the thermocouple in the heat preservation.

Furthermore, the first limiting device comprises two fixed clamping plates fixed in the heat insulation layer, a guide cylinder is fixedly arranged in each fixed clamping plate, a guide cylinder channel through which a thermocouple penetrates is arranged in each guide cylinder, and the guide cylinders are arranged right opposite to the temperature measuring grooves.

By adopting the technical scheme, the outer side wall of the inner furnace tube is covered with the guide cylinder pointing to the temperature measuring groove, the fixture block is further clamped on the guide cylinder, and the insulation layer is wrapped to fix the fixture block and the guide cylinder on the outer side wall of the inner furnace tube, so that the guide cylinder is fixed on the outer side wall of the inner furnace tube.

Furthermore, a fixing hole is formed in the fixing clamping plate, and a fixing block penetrating through the fixing hole is arranged on the outer side wall of the guide cylinder.

Through adopting above-mentioned technical scheme, through being provided with the fixed block at guide cylinder lateral wall, then insert the fixed block in the fixed orifices, can play the effect on the outer lateral wall of inner furnace tube with the guide cylinder location.

Furthermore, one end of the guide cylinder way, which is far away from the temperature measuring groove, is arranged in a chamfer angle mode.

By adopting the technical scheme, the opening diameter of the guide cylinder is increased to a certain extent by the guide cylinder after chamfering, so that the thermocouple can be conveniently inserted into the temperature measuring groove by an operator.

Furthermore, the second limiting device comprises a positioning plate covered on the temperature measuring hole, a positioning hole through which the heating couple penetrates is formed in the positioning plate, and a positioning nut abutting against the positioning plate is matched with the thermocouple in a threaded manner.

By adopting the technical scheme, the thermocouple is in a strip shape, so that the thermocouple is fixed in the heat insulation layer, and one end of the thermocouple far away from the temperature measuring groove is fixed at two ends of the fixed thermocouple in the length direction through the positioning plate and the fixing nut, so that the effect of fixing the position of the thermocouple in the heat insulation layer is achieved.

Furthermore, a protection cylinder is arranged on one surface, away from the heat insulation layer, of the positioning plate, and the protection cylinder is arranged in the positioning hole in a penetrating mode.

Through adopting above-mentioned technical scheme, a protection section of thick bamboo can improve the area of contact of locating hole and thermocouple, has improved the connection stability of thermocouple and locating plate to a certain extent, and on the other hand a protection section of thick bamboo can improve the diameter of thermocouple and locating hole junction to play the effect that prevents the thermocouple from being impaired.

Furthermore, a limiting groove is formed in the outer side wall of the protection barrel and is attached to the inner side wall of the positioning hole.

Through adopting above-mentioned technical scheme, the spacing groove can provide preliminary fixed structure for a protection section of thick bamboo when the mounting in the locating hole to make things convenient for operating personnel to install the effect of a protection section of thick bamboo on the locating plate.

Furthermore, the both sides of locating plate are provided with the pressing plate of contradicting the heat preservation.

Through adopting above-mentioned technical scheme, the pressing plate can provide more area of contact for the locating plate on the insulation layer surface of curved surface to play the effect that improves locating plate and insulation layer laminating degree.

To sum up, the utility model discloses a beneficial technological effect does:

1. the temperature measuring groove, the second limiting device, the first limiting device and the thermocouple are adopted, so that the effect of improving the stable measuring precision in the inner furnace tube is achieved;

2. the clamping plate, the fixing hole, the guide cylinder, the fixing block and the guide channel are adopted, so that the effect of fixing the guide cylinder on the surface of the inner furnace tube is achieved;

3. the positioning plate, the positioning hole and the positioning nut are adopted, so that the effect of positioning the thermocouple on the surface of the heat insulation layer is achieved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the inner furnace tube in the middle barrel of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is an enlarged view of the portion B in FIG. 3;

FIG. 5 is an enlarged view of the portion C of FIG. 4;

fig. 6 is an enlarged schematic view of a portion D in fig. 3.

In the figure, 1, a barrel body; 11. an inner furnace tube; 12. a heat-insulating layer; 13. a temperature measuring hole; 2. a temperature measuring tank; 21. a thermocouple; 22. a first limiting device; 23. clamping a plate; 24. a fixing hole; 25. a guide cylinder; 26. a fixed block; 27. a guide cylinder way; 4. a second limiting device; 41. positioning a plate; 42. a protective barrel; 43. a limiting groove; 44. a pressing plate; 45. positioning holes; 46. and positioning the nut.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a temperature measurement structure of accurate pottery gyration atmosphere stove of interior heating type, including the rack, it is provided with staving 1 to rotate on the rack, in order to prevent that 1 lateral wall of staving is direct by the rotational friction, be equipped with annular wheel area at 1 length direction's of staving both ends, the position that corresponds the wheel area at the rack is provided with the riding wheel group, can embody staving 1's rotation on wheel area and riding wheel group this moment, thereby play the effect of protection staving 1, be provided with furnace tube 11 in the place material in the staving 1, it has the powdery material to add in the interior furnace tube 11, the interior furnace tube 11 interior material is calcined and can produce waste gas, in order to discharge the waste gas in staving 1, one end at 1 length direction of staving is provided with the air discharge casing, the aiutage of the one end intercommunication of staving 1 is kept away from the air discharge casing, be provided with the interior furnace tube 11 of calcining the material in the staving 1, be provided with the interior furnace tube 11 of calcining the interior furnace tube of calcining the material, the air discharge casing internal rotation is equipped with row of the feed cylinder of sending into the material in the interior furnace tube, when operating personnel need feed cylinder in the feeding into in the interior furnace tube 11, as long as to the interior feed cylinder one end of staving drive rack drives the drive of rack and drives 1 drive device and is provided with the rack, it is provided with driven gear rack on the rack set up motor drive device, it is provided with driven motor drive rack on the staving 1, it is provided with driven motor drive gear and driven gear rack, the motor drive device, the rack set up motor drive chain on the staving 1, the rack set up motor drive chain on the staving, the rack set up and the motor drive device, the rack set up the rack set, the rack set up the staving 1.

Referring to fig. 2 and 3, in order to monitor the temperature inside the inner furnace tube 11 in real time, it is necessary that the outer side wall of the inner furnace tube 11 is provided with a thermocouple 21 for detection, the inner furnace tube 11 is inserted into the barrel body 1 along the length direction of the barrel body 1, the outer side wall of the inner furnace tube 11 is wrapped with a heat insulation layer 12, the heat insulation layer 12 is provided with a temperature measurement hole 13 in which the thermocouple 21 penetrates along the radial direction of the inner furnace tube 11, in order to fix the position of the thermocouple 21 inside the temperature measurement hole 13, a first limiting device 22 is arranged at one end of the temperature measurement hole 13 close to the inner furnace tube 11, and a second limiting device 4 is arranged at one end of the temperature measurement hole 13 extending out of the heat insulation layer 12.

Referring to fig. 3, 4 and 5, the first limiting device 22 includes two clamping plates 23, a space for placing the guide cylinder 25 is provided between the two clamping plates 23, the guide cylinder 25 is provided with a fixed block 26 corresponding to the two clamping plates 23, the two clamping plates 23 are provided with fixed holes 24 for inserting the fixed block 26, a guide channel pointing to the temperature measuring groove 2 is formed in the guide cylinder 25, the thermocouple 21 is inserted into the guide channel, before the outer side wall of the inner furnace tube 11 is wrapped with the heat insulation layer 12, the positions of the fixture block and the guide cylinder 25 are firstly placed and primarily fixed, and then the fixture block and the guide cylinder 25 are integrally sealed and stored on the outer side wall of the inner furnace tube 11 through the heat insulation layer 12; because the temperature difference between the inner side wall and the outer side wall of the inner furnace tube 11 made of ceramic materials is large, the temperature measuring effect of the thermocouple 21 is inaccurate, the temperature measuring groove 2 is formed in the outer side wall of the inner furnace tube 11 made of ceramic, the temperature measuring end of the thermocouple 21 is inserted into the temperature measuring groove 2, the temperature measuring groove 2 and the thermocouple 21 are matched to enable the thermocouple 21 to be close to the inner side wall of the inner furnace tube 11, and therefore the effect of improving the temperature lateral quantity precision of the inner furnace tube 11 is achieved.

Referring to fig. 3 and 6, the second limiting device 4 includes a positioning plate 41 disposed on the outer side wall of the thermal insulation layer 12, the positioning plate 41 covers the temperature measuring hole 13, and a positioning hole 45 for inserting the thermocouple 21 is disposed on the positioning plate 41, in order to increase the contact area between the thermocouple 21 and the positioning hole 45, a protection cylinder 42 is disposed through the low-temperature hole, a limiting groove 43 inserted into the positioning hole 45 is disposed at one end of the outer side wall of the protection cylinder 42 close to the positioning hole 45, a positioning nut 46 is disposed at one end of the protection cylinder 42 far from the positioning plate 41, the positioning nut 46 is in threaded fit with the outer side wall of the thermocouple 21, and pressing plates 44 abutting against the outer side wall of the protection layer are disposed at two ends of the positioning plate 41 in the length direction.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a temperature measurement structure of accurate pottery gyration atmosphere stove of interior hot type, includes staving (1), furnace tube (11) in wearing to be equipped with in staving (1), its characterized in that: the outer side of the inner furnace tube (11) is wrapped with a heat insulation layer (12), a temperature measuring hole (13) is formed in the heat insulation layer (12), the temperature measuring hole (13) is formed in the radial direction of the inner furnace tube (11), a temperature measuring groove (2) is formed in the position, right opposite to the temperature measuring hole (13), of the outer side wall of the inner furnace tube (11), a thermocouple (21) penetrates through the temperature measuring hole (13), the temperature measuring end of the thermocouple (21) is placed in the temperature measuring groove (2), a first limiting device (22) for limiting the position of the thermocouple (21) is arranged at one end, close to the inner furnace tube (11), of the temperature measuring hole (13), and a second limiting device (4) for limiting the position of the thermocouple (21) is arranged at one end, far away from the inner furnace tube (11), of the temperature measuring hole (13).

2. The temperature measuring structure of the internally heated precision ceramic rotary atmosphere furnace according to claim 1, characterized in that: the first limiting device (22) comprises two fixing clamping plates (23) fixed in the heat insulation layer (12), guide cylinders (25) are fixedly arranged in the fixing clamping plates (23), guide cylinders (25) through which the thermocouple (21) penetrates are arranged in the guide cylinders (25), and the guide cylinders (25) are arranged right opposite to the temperature measuring groove (2).

3. The temperature measuring structure of the internally heated precision ceramic rotary atmosphere furnace according to claim 2, characterized in that: the fixing clamping plate (23) is provided with a fixing hole (24), and the outer side wall of the guide cylinder (25) is provided with a fixing block (26) penetrating through the fixing hole (24).

4. The temperature measuring structure of the internally heated precision ceramic rotary atmosphere furnace according to claim 3, characterized in that: one end of the guide cylinder (25) far away from the temperature measuring groove (2) is arranged in a chamfer angle mode.

5. The temperature measurement structure of the internally heated precision ceramic rotary atmosphere furnace according to claim 4, characterized in that: the second limiting device (4) comprises a positioning plate (41) covered on the temperature measuring hole (13), a positioning hole (45) through which the heat supply thermocouple (21) penetrates is formed in the positioning plate (41), and a positioning nut (46) abutting against the positioning plate (41) is matched on the thermocouple (21) in a threaded manner.

6. The temperature measuring structure of the internally heated precision ceramic rotary atmosphere furnace according to claim 5, characterized in that: one surface of the positioning plate (41) far away from the heat preservation layer (12) is provided with a protection cylinder (42), and the protection cylinder (42) penetrates through the positioning hole (45).

7. The temperature measurement structure of the internally heated precision ceramic rotary atmosphere furnace according to claim 6, characterized in that: a limiting groove (43) is formed in the outer side wall of the protection barrel (42), and the limiting groove (43) is attached to the inner side wall of the positioning hole (45).

8. The temperature measuring structure of the internally heated precision ceramic rotary atmosphere furnace according to claim 7, characterized in that: and both sides of the positioning plate (41) are provided with pressing plates (44) which abut against the heat-insulating layer (12).