CN211316945U - Full-automatic intelligent bell jar stove - Google Patents
Full-automatic intelligent bell jar stove Download PDFInfo
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- CN211316945U CN211316945U CN201921442946.8U CN201921442946U CN211316945U CN 211316945 U CN211316945 U CN 211316945U CN 201921442946 U CN201921442946 U CN 201921442946U CN 211316945 U CN211316945 U CN 211316945U
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Abstract
The utility model provides a full-automatic intelligent bell jar furnace, which comprises an exhaust box, a main furnace body, a cooling device, a furnace vehicle, a temperature control device, an atmosphere control device, a negative pressure sintering forced air exhaust device, a base platform and a stand column; the bottom of the upright post is fixedly arranged on the horizontal bottom surface through a fastening device, and the top of the upright post is provided with a base platform; the lower end of the main furnace body is fixedly arranged on the base platform, the upper end of the main furnace body is fixedly provided with an exhaust box, one end of the exhaust box is communicated with one end of the cooling device, and the other end of the exhaust box is communicated with the main furnace body; the temperature control device and the atmosphere control device are fixedly arranged on the main furnace body, and the furnace vehicle is movably arranged at the bottom of the main furnace body through a slide rail; the negative pressure sintering forced air extraction device is communicated with the interior of the main furnace body. The furnace is provided with a plurality of groups of heating groups, the height in the hearth of the main furnace body is 1.5-2.2m, the conventional design mode of the small hearth of the existing bell jar furnace is broken, the maximum loading capacity of the furnace car is 3-8t, the production efficiency is greatly improved, and the production cost is reduced.
Description
Technical Field
The utility model belongs to the ferrite sintering field, in particular to full-automatic intelligent bell jar stove.
Background
Ferrite is a metal oxide having ferrimagnetism. In terms of electrical properties, ferrites have a much higher resistivity than elemental metal or alloy magnetic materials, and also have higher dielectric properties. The magnetic properties of ferrites are also characterized by a high permeability at high frequencies. Therefore, ferrite has become a non-metallic magnetic material with wide application in the high-frequency weak-current field. Because the magnetic energy stored in the unit volume of the ferrite is low, the saturation magnetic induction intensity Bs is also low, and usually, the magnetic energy is only 1/3-1/5 of pure iron, so that the application of the ferrite in the fields of low frequency, strong electricity and high power requiring high magnetic energy density is limited.
At present, the bell jar furnace has high sintering efficiency and high product quality, and becomes necessary sintering equipment in the ferrite production industry, the characteristics of temperature and atmosphere control, kiln design and airflow control in the kiln are perfectly combined together, the temperature uniformity of the product during heating and cooling is ensured, the control of the kiln atmosphere during cooling is directly related to the kiln temperature, and 0.005% oxygen content or even lower can be ensured.
However, the bell jar furnace body in the market has small furnace chamber capacity, a few products sintered at one time, particularly long cycle time when large-scale sintering of the products is carried out, high energy consumption of one-time sintering of the bell jar furnace is easy to cause, and high production cost when the products are sintered at large scale.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical defects of small capacity, small load capacity, long production cycle period and high production cost of the conventional bell jar furnace chamber when large batches of ferrite products need to be sintered, the utility model provides a full-automatic intelligent bell jar furnace, which comprises an exhaust box, a main furnace body, a cooling device, a furnace vehicle, a temperature control device, an atmosphere control device, a negative pressure sintering forced air exhaust device, a base platform and a stand column; the bottom of the upright post is fixedly arranged on the horizontal bottom surface through a fastening device, and the top of the upright post is provided with a base platform; the lower end of the main furnace body is fixedly arranged on the base platform, the upper end of the main furnace body is fixedly provided with an exhaust box, one end of the exhaust box is communicated with one end of the cooling device, and the other end of the exhaust box is communicated with the main furnace body; the temperature control device and the atmosphere control device are fixedly arranged on the main furnace body, and the furnace carriage is movably arranged at the bottom of the main furnace body through a slide rail; the negative pressure sintering forced air extraction device is communicated with the interior of the main furnace body.
As an improvement, the temperature control device comprises a plurality of groups of heating groups and temperature measuring elements, wherein each group of heating groups is formed by distributing parallel heating elements on the same vertical plane in a stacking mode at intervals, and each heating group is provided with a group of temperature measuring elements.
As an improvement, the heating group is provided with 29-46 groups of 70-110 silicon carbide rods, the height in a hearth of the main furnace body is 1.5-2.2m, and the temperature measuring element is any one of a thermocouple and a thermal sensor; wherein each group of heating groups is individually provided with a group of double-acting angle seat valves.
As an improvement, the atmosphere control device comprises an air inlet control valve, an inlet mass flow controller and an atmosphere gas cylinder; the gas outlet end of the atmosphere gas cylinder is connected with the inlet end of an inlet mass flow controller, and the outlet end of the inlet mass flow controller is connected with one end of a gas inlet control valve; the air inlet control valves are provided with a plurality of groups, each group is fixedly installed on all surfaces of the main furnace body, and the other end of each air inlet control valve is communicated with the inside of the hearth of the main furnace body.
As an improvement, 3-5 groups of inlet mass flow controllers are arranged, 5-7 groups of air inlet control valves are arranged, and a mode of combining surface air inlet and point air inlet is adopted when atmosphere enters a hearth.
As an improvement, the negative pressure sintering forced air extraction device comprises an induced draft fan, a negative pressure measuring meter, a fan frequency conversion device and a control valve, wherein one end of the induced draft fan is communicated with a hearth of the main furnace body, the other end of the induced draft fan is communicated with one end of the fan frequency conversion device through the negative pressure measuring meter, and the other end of the fan frequency conversion device is connected with the outside of the furnace body after being communicated with the control valve.
As an improvement, the bottom of the furnace carriage is provided with a platform paved with refractory bricks, a plurality of groups of sintering fixing frames are fixedly arranged on the platform at intervals, and the maximum loading capacity of the furnace carriage is 3-8 t.
As an improvement, a fire-resistant layer, a heat-insulating layer and a protective steel plate are arranged on the outer surface of the main furnace body from inside to outside; 4-8 upright posts are arranged and fixedly arranged on the horizontal plane, and metal embedded parts which are fixedly arranged are arranged.
As an improvement, the device also comprises a control unit used for controlling the heating temperature debugging of the temperature control device and the atmosphere air inlet and air outlet of the atmosphere control device by a remote computer, and a control end socket is arranged and can be connected with a hand-held device or a mobile phone or a remote PC.
As an improvement, a transmission chain device, a lifting beam and a switch are further arranged around the furnace car, and a rear steering cylinder and a photoelectric detection device are fixedly arranged in the main furnace body; the two ends of the furnace car are respectively and independently fixed on the transmission chain device, when the transmission chain device rises to the lifting beam, the rear steering cylinder automatically rotates to press the oil cylinder to the rear of the lifting beam, the oil cylinder is electrically connected with the cooling device when lifting the furnace car, and the photoelectric detection device is used for detecting the verticality of the stacked products.
Has the advantages that: the utility model provides a full-automatic intelligent bell jar furnace through setting up multiunit heating group, sets up 29-46 heating groups preferentially, 70-110 silicon carbide rods, highly be 1.5-2.2m in the furnace of the main furnace body, has broken the conventional design of the little furnace of current bell jar furnace, has realized that the maximum load capacity of stove car is 3-8t, has improved production efficiency widely, has reduced manufacturing cost. The negative pressure sintering forced air exhaust device is adopted to exhaust air through the draught fan so that negative pressure with a preset value is formed in the hearth, and water vapor, glue and impurities which are discharged in the ferrite sintering temperature rise process are favorably and timely discharged out of the furnace body. Meanwhile, the furnace car platform adopts refractory bricks to replace conventional thick cotton felt, so that the formed sintering fixing frame is better in stability after being placed, the phenomenon of impurity inclusion is not easy to occur, and the sintering precision of the product is improved.
Drawings
Fig. 1 is a schematic structural view of the bell-jar furnace of the present invention.
FIG. 2 is a schematic view of the main structure of the bell-shaped furnace of the present invention.
In the drawings: 1. an exhaust box; 2. a main furnace body; 3. a cooling device; 4. a furnace vehicle; 41. a drive chain device; 42. A lifting beam; 43. a switch; 5. a temperature control device; 6. an atmosphere control device; 61. an intake control valve; 62. an inlet mass flow controller; 63. an atmosphere gas cylinder; 7. a negative pressure sintering forced air extraction device; 71. an induced draft fan; 72. a negative pressure meter; 73. a fan frequency conversion device; 74. a control valve; 8. a base platform; 9. a column; 10. a heating element; 11. A temperature measuring element; 12. a double acting angle seat valve.
Detailed Description
The drawings of the present invention will be described in detail with reference to the embodiments.
A full-automatic intelligent bell jar furnace comprises an exhaust box 1, a main furnace body 2, a cooling device 3, a furnace carriage 4, a temperature control device 5, an atmosphere control device 6, a negative pressure sintering forced air extraction device 7, a base platform 8 and a stand column 9; the bottom of the upright post 9 is fixedly arranged on the horizontal bottom surface through a fastening device, and the top of the upright post 9 is provided with a base platform 8; the lower end of the main furnace body 2 is fixedly arranged on the base platform 8, the upper end is fixedly provided with the exhaust box 1, one end of the exhaust box 1 is communicated with one end of the cooling device 3, and the other end is communicated with the main furnace body 2; the temperature control device 5 and the atmosphere control device 6 are fixedly arranged on the main furnace body 2, and the furnace carriage 4 is movably arranged at the bottom of the main furnace body 2 through a slide rail; the negative pressure sintering forced air extraction device 7 is communicated with the interior of the main furnace body 2.
The temperature control device 5 comprises a plurality of groups of heating groups and temperature measuring elements 11, wherein each group of heating groups is formed by distributing parallel heating elements 10 on the same vertical plane in an interval stacking mode, and each group of heating groups is provided with a group of temperature measuring elements 11.
The heating group provided with one treatment surface comprises 10 heating elements 10 which are arranged according to a grouping layout from bottom to top 2/2/3/3, and the heating effect is the best.
The heating groups are provided with 29-46 groups, preferably 36 groups, 70-110 silicon carbide rods, preferably 90 rods. The height in the hearth of the main furnace body 2 is 1.5-2.2m, for example, 1.65 m. The temperature measuring element 11 is any one of a thermocouple, a heat sensor or other conventional temperature measuring methods; wherein each heating group is individually provided with a set of double-acting angle seat valves 12. Wherein the utility model discloses well two effect angle seat valves 12 have replaced the angle seat valve of conventional single action, can adjust, control the homogeneity of stove internal temperature effectively.
The atmosphere control device 6 comprises an air inlet control valve 61, an inlet mass flow controller 62 and an atmosphere gas cylinder 63; the outlet end of the atmosphere gas cylinder 63 is connected with the inlet end of an inlet mass flow controller 62, and the outlet end of the inlet mass flow controller 62 is connected with one end of an air inlet control valve 61; the air inlet control valves 61 are provided with a plurality of groups, each group is fixedly installed on all surfaces of the main furnace body 2, and the other end of the air inlet control valve 61 is communicated with the hearth of the main furnace body 2.
The atmosphere in the atmosphere cylinder is preset on site through a computer interface connected to the atmosphere control device 6, and is set to three stages of atmosphere delivery: air, air + N2、N2And then is fed into the furnace after being controlled by the inlet mass flow controller 62.
The inlet mass flow controllers 62 are provided with 3-5 groups, preferably 3 groups, the inlet control valves 61 are provided with 5-7 groups, preferably 5 groups, and the atmosphere enters the hearth by adopting a combination of surface air inlet and point air inlet.
The negative pressure sintering forced air extraction device 7 comprises an induced draft fan 71, a negative pressure measuring meter 72, a fan frequency conversion device 73 and a control valve 74, wherein one end of the induced draft fan 71 is communicated with the hearth of the main furnace body 2, the other end of the induced draft fan is communicated with one end of the fan frequency conversion device 73 through the negative pressure measuring meter 72, and the other end of the fan frequency conversion device 73 is communicated with the control valve 74 and then is connected with the outside of the furnace body. The negative pressure sintering forced air extraction device 7 extracts air through the induced draft fan to enable negative pressure of a preset value to be formed in the hearth, and water vapor, glue and impurities which are removed in the ferrite sintering temperature rising process are favorably and timely discharged out of the furnace body.
The bottom of the furnace carriage 4 is provided with a platform paved with refractory bricks, a plurality of groups of sintering fixing frames are fixedly arranged on the platform at intervals, and the maximum loading capacity of the furnace carriage 4 is 3-8 t. The furnace carriage 4 and the main furnace body 2 are in a button one-button control mode, the starting button is pressed, the furnace carriage 4 is automatically lifted to the lifting beam after being automatically lifted in the whole process,
the outer surface of the main furnace body 2 is provided with a fire-resistant layer, a heat-insulating layer and a protective steel plate from inside to outside; 4-8 upright posts 9 are arranged and fixedly arranged on the horizontal plane, and metal embedded parts which are fixedly arranged are arranged. The remote control device is characterized by further comprising a control unit, wherein the control unit is used for debugging the heating temperature of the remote computer control temperature control device 5 and enabling the atmosphere of the atmosphere control device 6 to enter and send air, a control end socket is arranged, the socket can be connected with a handheld device or a mobile phone or a remote PC, and electric appliance operation in the main furnace body can be controlled remotely.
A transmission chain device 41, a lifting beam 42 and a switch 43 are further arranged around the furnace car 4, and a rear steering cylinder 21 and a photoelectric detection device 22 are fixedly arranged in the main furnace body 2; the two ends of the furnace carriage 4 are respectively and independently fixed on the transmission chain device 41, when the transmission chain device 41 rises to the lifting beam 42, the rear steering cylinder 21 automatically rotates to press the oil cylinder to the lifting beam 42, after the oil cylinder lifting furnace carriage 4 is connected with the cooling device 3, the oil cylinder lifting furnace carriage 4 is electrically connected with the cooling device 3, and the normal work of the oil cylinder in the sintering process is ensured. The photoelectric detection device 22 is used for detecting the verticality of the stacked products.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The utility model provides a full-automatic intelligent bell jar stove which characterized in that: comprises an exhaust box (1), a main furnace body (2), a cooling device (3), a furnace carriage (4), a temperature control device (5), an atmosphere control device (6), a negative pressure sintering forced air extraction device (7), a base platform (8) and a stand column (9); the bottom of the upright post (9) is fixedly arranged on the horizontal bottom surface through a fastening device, and the top of the upright post (9) is provided with a base platform (8); the lower end of the main furnace body (2) is fixedly arranged on the base platform (8), the upper end of the main furnace body is fixedly provided with an exhaust box (1), one end of the exhaust box (1) is communicated with one end of the cooling device (3), and the other end of the exhaust box is communicated with the main furnace body (2); the temperature control device (5) and the atmosphere control device (6) are fixedly arranged on the main furnace body (2), and the furnace carriage (4) is movably arranged at the bottom of the main furnace body (2) through a slide rail; the negative pressure sintering forced air extraction device (7) is communicated with the interior of the main furnace body (2).
2. The fully automatic intelligent bell jar furnace of claim 1, wherein: the temperature control device (5) comprises a plurality of groups of heating groups and temperature measuring elements (11), wherein each group of heating groups are distributed on the same vertical plane in a stacking mode at intervals by parallel heating elements (10), and each group of heating groups is provided with a group of temperature measuring elements (11).
3. The fully automatic intelligent bell jar furnace of claim 2 wherein: the heating group is provided with 29-46 groups of 70-110 silicon carbide rods, the height in the hearth of the main furnace body (2) is 1.5-2.2m, and the temperature measuring element (11) is any one of a thermocouple and a heat sensor; wherein each group of heating groups is individually provided with a group of double-acting angle seat valves (12).
4. The fully automatic intelligent bell jar furnace of claim 2 wherein: the atmosphere control device (6) comprises an air inlet control valve (61), an inlet mass flow controller (62) and an atmosphere gas cylinder (63); the gas outlet end of the atmosphere gas cylinder (63) is connected with the inlet end of an inlet mass flow controller (62), and the outlet end of the inlet mass flow controller (62) is connected with one end of a gas inlet control valve (61); the air inlet control valves (61) are provided with a plurality of groups, each group is fixedly installed on all surfaces of the main furnace body (2), and the other end of each air inlet control valve (61) is communicated with the inside of a hearth of the main furnace body (2).
5. The fully automatic intelligent bell jar furnace of claim 4 wherein: 3-5 groups of inlet mass flow controllers (62) are arranged, 5-7 groups of air inlet control valves (61) are arranged, and the mode of combining surface air inlet and point air inlet is adopted when atmosphere enters the hearth.
6. The fully automatic intelligent bell jar furnace of claim 4 wherein: the negative pressure sintering forced air extraction device (7) comprises an induced draft fan (71), a negative pressure measuring meter (72), a fan frequency conversion device (73) and a control valve (74), wherein one end of the induced draft fan (71) is communicated with a hearth of the main furnace body (2), the other end of the induced draft fan is communicated with one end of the fan frequency conversion device (73) through the negative pressure measuring meter (72), and the other end of the fan frequency conversion device (73) is communicated with the control valve (74) and then is connected with the outside of the furnace body.
7. The fully automatic intelligent bell jar furnace of claim 1, wherein: the bottom of the furnace carriage (4) is provided with a platform paved with refractory bricks, a plurality of groups of sintering fixing frames are fixedly arranged on the platform at intervals, and the maximum loading capacity of the furnace carriage (4) is 3-8 t.
8. The fully automatic intelligent bell jar furnace of claim 1, wherein: the outer surface of the main furnace body (2) is provided with a fire-resistant layer, a heat-insulating layer and a protective steel plate from inside to outside; 4-8 upright posts (9) are arranged and fixedly arranged on the horizontal plane, and metal embedded parts which are fixedly arranged are arranged.
9. The fully automatic intelligent bell jar furnace of claim 1, wherein: the device also comprises a control unit, a control end socket and a control end socket, wherein the control unit is used for controlling the heating temperature debugging of the temperature control device (5) and the atmosphere air inlet and air supply of the atmosphere control device (6) through a remote computer, and the socket can be connected with a handheld device or a mobile phone or a remote PC.
10. The fully automatic intelligent bell jar furnace of claim 1, wherein: a transmission chain device (41), a lifting beam (42) and a switch (43) are further arranged around the furnace car (4), and a rear steering cylinder (21) and a photoelectric detection device (22) are fixedly arranged in the main furnace body (2); the two ends of the furnace car (4) are respectively and independently fixed on the transmission chain device (41), when the transmission chain device (41) rises to the lifting beam (42), the rear steering cylinder (21) automatically rotates to press the oil cylinder to the rear of the lifting beam (42), the oil cylinder is electrically connected with the cooling device (3) when lifting the furnace car (4), and the photoelectric detection device (22) is used for detecting the verticality of the stacked products.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921442946.8U CN211316945U (en) | 2019-09-02 | 2019-09-02 | Full-automatic intelligent bell jar stove |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921442946.8U CN211316945U (en) | 2019-09-02 | 2019-09-02 | Full-automatic intelligent bell jar stove |
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| CN211316945U true CN211316945U (en) | 2020-08-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110411207A (en) * | 2019-09-02 | 2019-11-05 | 南京派赛菲克炉业科技有限公司 | A kind of fully-automatic intelligent bell-type furnace |
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2019
- 2019-09-02 CN CN201921442946.8U patent/CN211316945U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110411207A (en) * | 2019-09-02 | 2019-11-05 | 南京派赛菲克炉业科技有限公司 | A kind of fully-automatic intelligent bell-type furnace |
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