CN208887370U - A kind of high temperature sample-melting stove - Google Patents
A kind of high temperature sample-melting stove Download PDFInfo
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- CN208887370U CN208887370U CN201821500564.1U CN201821500564U CN208887370U CN 208887370 U CN208887370 U CN 208887370U CN 201821500564 U CN201821500564 U CN 201821500564U CN 208887370 U CN208887370 U CN 208887370U
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Abstract
The utility model provides a kind of high temperature sample-melting stove comprising: furnace body, it is internal that there is annular cavity, the fire door being connected to cavity is offered on the side wall of furnace body, is equipped with fire door at fire door；Heating device, including it is set to the intracorporal furnace silk of chamber；For placing the turntable of sample, in a ring, turntable is revolvably set in cavity turntable；Driving device is set to outside furnace body, and connect with turntable, and driving device can drive turntable to rotate.The high temperature sample-melting stove of the utility model is not in the problem of in-furnace temperature drastically reduces during opening fire door, convenient for taking out molten sample at any time, makes operator from high temperature injury.
Description
Technical field
The utility model relates to a kind of sample-melting stove, the good high temperature sample-melting stove of especially a kind of heat insulation effect.
Background technique
Currently, sample (such as LiBO2) melting experiment be to be carried out in box high temperature Muffle furnace, the furnace chamber of Muffle furnace
Body is square, and the one side of cavity is open, is closed by fire door.The temperature that the melting experiment of sample needs is higher, such as heating melting
LiBO2The high temperature for needing 1000 DEG C, when being in the condition of high temperature in furnace, opening fire door can be such that the one side of cavity opens wide completely, chamber
Body is all exposed in external environment, and the intracorporal temperature of chamber and environment temperature gap are very big in addition, and heat quickly dissipates in cavity
It sends out, temperature drastically reduces, and cannot effectively maintain furnace temperature, causes sample to be unable to thermally equivalent in melting process, in furnace
The heated time and heating status of sample not can guarantee yet, and influence sample quality.
In addition, being limited by the structure of box high temperature Muffle furnace, can not also accomplish to take out molten sample at any time, because sample puts original
Cause, the sample that put in earliest are finally taken out.
Further, since the fire door of Muffle furnace is larger, in-furnace temperature is higher, especially in summer in use, experimenter by
High-temperature baking decocts.
Utility model content
The purpose of the utility model is to provide a kind of high temperature sample-melting stoves, are not in warm in furnace during opening fire door
The problem of degree drastically reduces makes operator from high temperature injury convenient for taking out molten sample at any time.
In order to achieve the above objectives, the utility model proposes a kind of high temperature sample-melting stoves comprising: furnace body, it is internal that there is ring
The cavity of shape offers the fire door being connected to the cavity on the side wall of the furnace body, is equipped with fire door at the fire door；Heating dress
It sets, including is set to the intracorporal furnace silk of the chamber；For placing the turntable of sample, in a ring, the turntable can rotate the turntable
Ground is set in the cavity；Driving device is set to outside the furnace body, and connect with the turntable, and the driving device can drive
The turntable rotation.
High temperature sample-melting stove as described above, wherein the top of the turntable is equipped with the sample cell for placing sample, described
The bottom of turntable is fixed with hot plate, and the driving device is connect with the hot plate.
High temperature sample-melting stove as described above, wherein the sample cell be it is multiple, multiple sample cells are between circular ring shape etc.
Every arrangement.
High temperature sample-melting stove as described above, wherein the driving device includes motor and the deceleration that connect with the motor
Device passes through a connection axis connection between the retarder and the turntable.
High temperature sample-melting stove as described above, wherein the motor is stepper motor, and the high temperature sample-melting stove further includes being used for
The revolving speed of the turntable and the control device of position are controlled, the control device includes: step actuator, with the stepper motor
Electrical connection；PLC controller is electrically connected with the step actuator；Touch screen is electrically connected with the PLC controller.
High temperature sample-melting stove as described above, wherein the heating device further include the air switch being electrically connected to a power source, with
The ammeter of the air switch electrical connection, the fuse being electrically connected with the ammeter are consolidated with what the fuse was electrically connected
State relay and the A.C. contactor being electrically connected with the solid-state relay, the solid-state relay and the ac contactor
Device is connect with the furnace silk, and the air switch, the ammeter, the fuse, the solid-state relay are exchanged with described
Contactor is set to outside the furnace body.
High temperature sample-melting stove as described above, wherein the high temperature sample-melting stove further includes temperature control device, the temperature control device packet
Include: PID temperature controller is set to outside the furnace body, and the PID temperature controller connects with the solid-state relay and described exchange
Tentaculum electrical connection；First thermocouple is set in the cavity, and can acquire the intracorporal temperature of the chamber, first thermocouple
It is electrically connected with the PID temperature controller, and temperature signal can be conveyed to the PID temperature controller, the PID temperature control
Device processed controls the solid-state relay and the A.C. contactor according to the temperature signal；Second thermocouple is set to the chamber
In vivo, second thermocouple is electrically connected with the temperature polling instrument being set to outside the furnace body.
High temperature sample-melting stove as described above, wherein the high temperature sample-melting stove further includes control cabinet, and the furnace body is fixed on institute
It states above control cabinet, the driving device, the air switch, the fuse, the solid-state relay connect with described exchange
Tentaculum is set to inside the control cabinet, and the ammeter, the PID temperature controller, the temperature polling instrument hang over the control
On the outer wall of cabinet processed.
High temperature sample-melting stove as described above, wherein the furnace body includes cylinder and the cylinder that interval is set in outside the cylinder
Body, forms the cavity between the cylinder and the cylinder, the furnace wire tray is wound on the lateral wall and the cylinder of the cylinder
On the inner sidewall of body, the fire door is provided on the cylinder.
High temperature sample-melting stove as described above, wherein the width of the fire door is less than the radius of the cylinder, the fire door
Height is less than the height of the cylinder.
The characteristics of high temperature sample-melting stove of the utility model and advantage are:
The cavity of annular is arranged in furnace body, fire door is opened up on sidewall of the furnace body for the high temperature sample-melting stove of the utility model, with
Existing box Muffle furnace is compared, and fire door opens up smaller, and it is not in furnace that cavity exposure is fewer during opening fire door
The problem of temperature drastically reduces helps to maintain furnace temperature, and heat insulation effect is good；Compared with the square cavity of box Muffle furnace, annular
The space of cavity is smaller, and quick heating in cavity can be shortened the heating-up time；Simultaneously because fire door can open up smaller, experiment
Personnel can decocting against high-temperature baking；In addition, in a ring due to cavity, turntable is set to cavity in a ring and revolvably
It is interior, it is taken out when product to be sampled are moved at fire door, sampling is convenient, places sample and also facilitates；Further, since turntable can revolve
Turn, the sample on turntable is in identical heating status in the cavity, and sample is heated evenly.
Detailed description of the invention
Following drawings are only intended to schematically illustrate and explain the present invention, does not limit the model of the utility model
It encloses.Wherein:
Fig. 1 is the stereoscopic schematic diagram of the high temperature sample-melting stove of the utility model；
Fig. 2 is the main view of the high temperature sample-melting stove of the utility model；
Fig. 3 is the top view of Fig. 2 high temperature sample-melting stove；
Fig. 4 is the schematic diagram of turntable.
Main element label declaration:
1 furnace body
11 cylinders
2 turntables
3 driving devices
4 fire doors
5 touch screens
6 control cabinets
Specific embodiment
For a clearer understanding of the technical features, objectives and effects of the utility model, now compareing Detailed description of the invention
Specific embodiment of the present utility model.
As shown in Figure 1 and Figure 2, the utility model proposes a kind of high temperature sample-melting stoves comprising furnace body 1, is used for heating device
The turntable 2 and driving device 3 for placing sample have the cavity of annular inside furnace body 1, offer on the side wall of furnace body 1 and cavity
The fire door of connection is equipped with fire door 4 at fire door, such as fire door 4 is connect by parallel rocker device with furnace body 1；Heating device includes
It set on the intracorporal furnace silk of chamber, is used to heat cavity, such as the material of furnace silk is nickel-chromium resistance wire or Si-Mo rod；Turntable 2 is in ring
Shape, turntable 2 are revolvably set in cavity, such as turntable 2 is located at the bottom of cavity, and furnace silk makes turntable 2 by heating to cavity
On sample melted；Driving device 3 is set to outside furnace body 1, and is connect with turntable 2, and driving device 3 can drive turntable 2 to rotate.
The cavity of annular is arranged in the utility model in furnace body 1, fire door is opened up on 1 side wall of furnace body, with existing box horse
Not furnace is compared, and fire door can open up smaller, and it is not in in-furnace temperature that cavity exposure is fewer during opening fire door 4
The problem of drastically reducing helps to maintain furnace temperature, and heat insulation effect is good；Compared with the square cavity of box Muffle furnace, annular housing
Space it is smaller, quick heating in cavity can be shortened the heating-up time；Simultaneously because fire door can open up smaller, experimenter
It can decocting against high-temperature baking；
In addition, in a ring due to cavity, turntable 2 is set in cavity in a ring and revolvably, when product to be sampled are moved to
It is taken out when at fire door, sampling is convenient, places sample and also facilitates.
Further, since turntable 2 is rotatable, the sample on turntable 2 is in identical heating status in the cavity, and sample is heated
Uniformly.
As shown in Figure 2 and Figure 3, in a specific embodiment, furnace body 1 includes cylinder and the cylinder that interval is set in outside cylinder
Body 11, forms cavity between cylinder and cylinder 11, furnace silk is coiled in the lateral wall of cylinder and the inner sidewall of cylinder 11 in the shape of a spiral
On, fire door is provided on cylinder 11.
Further, the width of fire door is less than the radius of cylinder 11, and the height of fire door is less than the height of cylinder 11.For example, cylinder
The diameter of body 11 is 50cm, and the height (i.e. the height of furnace body 1) of cylinder 11 is 20cm, and the width dimensions of fire door are 8cm, fire door
Height dimension is 8cm.
As shown in figure 4, the top of turntable 2 is equipped with the sample cell for placing sample in another specific embodiment, turn
The bottom of disk 2 is fixed with hot plate, and driving device 3 is connect with hot plate.For example, turntable 2 is made of ceramic materials, hot plate by
Fibrous material is made.By the way that hot plate is arranged, the temperature conduction of cavity can be prevented to driving device 3, avoid thermal loss.Its
In, sample cell be it is multiple, multiple sample cells be in circular ring shape arranged at equal intervals.
Further, driving device 3 includes motor and the retarder being connected to motor, and passes through one between retarder and turntable 2
Axis connection is connected, retarder is driven by motor, turntable 2 is driven to rotate.For example, retarder is gear reduction unit, connecting shaft is steel
Axis.
As shown in Figure 1 and Figure 2, further, motor is stepper motor, and high temperature sample-melting stove further includes for controlling turning for turntable 2
The control device of speed and position, control device includes step actuator, PLC controller and touch screen 5, step actuator and stepping
Motor electrical connection；PLC controller is electrically connected with step actuator；Touch screen 5 (or being touch panel) is electrically connected with PLC controller
It connects, revolving speed and the position of turntable 2 is adjusted by touch screen 5, specifically touch screen 5 is by Interface Control, to adjust 2 revolving speed of turntable
The position and.
In terms of controlling 2 revolving speed of turntable, the present embodiment is using PLC controller control stepper motor and then controls 2 turns of turntable
Dynamic, the revolving speed of step motor shaft is directly proportional to input pulse frequency, just controls stepper motor by controlling input pulse frequency
The revolving speed of axis has thus achieved the purpose that adjust 2 revolving speed of turntable.When designing turntable 2, PLC controller can be made a reservation for two
Kind input frequency, respectively corresponds high and low two grades of revolving speed.
In terms of controlling 2 position of turntable, stepper motor is the open loop that electric impulse signal is changed into angular displacement or displacement of the lines
First stepper motor part is controlled, in the case where non-overload, the revolving speed of motor, the position of stopping are solely dependent upon the frequency of pulse signal
And umber of pulse, without being influenced by load variation, as soon as when step actuator receives a pulse signal, it drives stepper motor
A fixed angle is rotated by the direction of setting, referred to as " step angle ", its rotation is transported step by step with fixed angle
Capable.Angular displacement can be controlled by control pulse number, to achieve the purpose that accurate positionin；Control can be passed through simultaneously
Pulse frequency processed come control motor rotation velocity and acceleration, to achieve the purpose that speed regulation.At the same time it can also in start bit
It sets, i.e., limit is set on the position that the number of turntable 2 is 1, is caused even if occurring the phenomenon that losing step in motor rotation process
The offset of 2 position of turntable can also be calibrated, simultaneously by the zero key on touch screen 5 according to the position that the number of turntable 2 is 1
Also independent manual calibration can be done for each position of turntable 2, if it find that a small amount of offset occurs in each position, hand can be passed through
It is dynamic that it is individually calibrated by range estimation.
In a preferred embodiment, heating device further includes the air switch and air switch being electrically connected to a power source
The ammeter of electrical connection, the fuse being electrically connected with ammeter, the solid-state relay being electrically connected with fuse and and solid-state after
The A.C. contactor of electric appliance electrical connection, solid-state relay and A.C. contactor are connect with furnace silk, air switch, ammeter, insurance
Silk, solid-state relay and A.C. contactor are set to outside furnace body 1.
Further, high temperature sample-melting stove further includes temperature control device, and temperature control device includes PID temperature controller, the first thermocouple
With the second thermocouple, PID temperature controller is set to outside furnace body 1, PID temperature controller and solid-state relay and A.C. contactor electricity
Connection；First thermocouple is set in cavity, and the energy intracorporal temperature of acquisition cavity, the first thermocouple are electrically connected with PID temperature controller
It connects, and temperature signal can be conveyed to PID temperature controller, PID temperature controller controls solid-state relay according to temperature signal
And A.C. contactor, such as the quantity of the first thermocouple is one；Second thermocouple be set to cavity in, the second thermocouple be set to
Temperature polling instrument electrical connection outside furnace body 1, such as the quantity of the second thermocouple is three.
Specific heating process are as follows: three-phase electricity connects three air switches respectively, is then connected to solid-state relay by fuse,
PID temperature controller controls solid-state relay on-off and A.C. contactor, then controls heating temperature.First inside furnace body 1
The signal acquisition that thermocouple is used to do PID temperature controller is used, and controls heating amount according to its temperature；Three the second thermocouples
For monitoring temperature in furnace body 1, temperature patrol inspection use is done, it is whether authentic and valid for detecting 1 internal temperature of furnace body.
As shown in Figure 1 and Figure 2, further, high temperature sample-melting stove further includes control cabinet 6, and furnace body 1 is fixed on 6 top of control cabinet,
Driving device 3 and PLC controller are set to inside control cabinet 6, and air switch, fuse, solid-state relay and A.C. contactor are set
Inside control cabinet 6, ammeter, PID temperature controller, temperature polling instrument are hung on the outer wall of control cabinet 6.
The present embodiment uses current synchronous signal control technology, realizes the control to heated current size.According to pid algorithm
Calculate corresponding size of current, uninterrupted low current heating makes stable and reliable for performance, and temperature-controlled precision is superior.And use large scale
Picture and text liquid crystal display shows the various states and data of equipment, keeps operation more convenient.
On the one hand the utility model can guarantee more accurate sample melted experiment effect, open fire door under heating state
4 samplings can guarantee cavity constant temperature, guarantee that the sample not being removed still has melting effect well, while can pass through turntable
The sample for taking any position away any time is realized in 2 rotation, guarantees the melting time of sample, on the other hand also to can reduce experiment
The labor intensity of personnel reduces the heat loss for opening fire door 4, energy conservation and environmental protection.
The above descriptions are merely exemplary embodiments of the present utility model, the model being not intended to limit the utility model
It encloses.Any those skilled in the art, made equivalent variations under the premise of not departing from the conceptions and principles of the utility model
With modification, the range of the utility model protection should belong to.And it should be noted that each component part of the utility model simultaneously
It is not limited only to above-mentioned overall applicability, each technical characteristic described in the specification of the utility model can select according to actual needs
One individually uses or selects the multinomial use that combines, and therefore, the utility model covers in the nature of things to be invented with this case
The related other combinations of point and concrete application.
Claims (10)
1. a kind of high temperature sample-melting stove, which is characterized in that the high temperature sample-melting stove includes:
Furnace body, it is internal that there is annular cavity, the fire door being connected to the cavity is offered on the side wall of the furnace body, it is described
Fire door is equipped at fire door；
Heating device, including it is set to the intracorporal furnace silk of the chamber；
For placing the turntable of sample, in a ring, the turntable is revolvably set in the cavity turntable；
Driving device is set to outside the furnace body, and connect with the turntable, and the driving device can drive the turntable to rotate.
2. high temperature sample-melting stove as described in claim 1, which is characterized in that the top of the turntable is equipped with for placing sample
Sample cell, the bottom of the turntable are fixed with hot plate, and the driving device is connect with the hot plate.
3. high temperature sample-melting stove as claimed in claim 2, which is characterized in that the sample cell is multiple, multiple sample cells
In circular ring shape arranged at equal intervals.
4. high temperature sample-melting stove as described in claim 1, which is characterized in that the driving device include motor and with the motor
The retarder of connection passes through a connection axis connection between the retarder and the turntable.
5. high temperature sample-melting stove as claimed in claim 4, which is characterized in that the motor is stepper motor, the high temperature melting sample
Furnace further includes the control device of the revolving speed and position for controlling the turntable, and the control device includes:
Step actuator is electrically connected with the stepper motor；
PLC controller is electrically connected with the step actuator；
Touch screen is electrically connected with the PLC controller.
6. high temperature sample-melting stove as described in claim 1, which is characterized in that the heating device further includes being electrically connected to a power source
Air switch, the ammeter being electrically connected with the air switch, the fuse being electrically connected with the ammeter and the fuse
The solid-state relay of electrical connection and the A.C. contactor being electrically connected with the solid-state relay, the solid-state relay and institute
It states A.C. contactor to connect with the furnace silk, the air switch, the ammeter, the fuse, the solid-state relay
It is set to outside the furnace body with the A.C. contactor.
7. high temperature sample-melting stove as claimed in claim 6, which is characterized in that the high temperature sample-melting stove further includes temperature control device, institute
Stating temperature control device includes:
PID temperature controller is set to outside the furnace body, the PID temperature controller and the solid-state relay and described is exchanged
Contactor electrical connection；
First thermocouple is set in the cavity, and can acquire the intracorporal temperature of the chamber, first thermocouple with it is described
The electrical connection of PID temperature controller, and temperature signal can be conveyed to the PID temperature controller, the PID temperature controller root
The solid-state relay and the A.C. contactor are controlled according to the temperature signal；
Second thermocouple is set in the cavity, and second thermocouple is electrically connected with the temperature polling instrument being set to outside the furnace body
It connects.
8. high temperature sample-melting stove as claimed in claim 7, which is characterized in that the high temperature sample-melting stove further includes control cabinet, described
Furnace body is fixed on above the control cabinet, the driving device, the air switch, the fuse, the solid-state relay
It is set to inside the control cabinet with the A.C. contactor, the ammeter, the PID temperature controller, the temperature patrol inspection
Instrument is hung on the outer wall of the control cabinet.
9. high temperature sample-melting stove as described in claim 1, which is characterized in that the furnace body includes cylinder and interval be set in it is described
Cylinder outside cylinder, forms the cavity between the cylinder and the cylinder, the furnace wire tray is wound on the outside of the cylinder
On the inner sidewall of wall and the cylinder, the fire door is provided on the cylinder.
10. high temperature sample-melting stove as claimed in claim 9, which is characterized in that the width of the fire door is less than the half of the cylinder
Diameter, the height of the fire door are less than the height of the cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821500564.1U CN208887370U (en) | 2018-09-13 | 2018-09-13 | A kind of high temperature sample-melting stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821500564.1U CN208887370U (en) | 2018-09-13 | 2018-09-13 | A kind of high temperature sample-melting stove |
Publications (1)
| Publication Number | Publication Date |
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| CN208887370U true CN208887370U (en) | 2019-05-21 |
Family
ID=66512255
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821500564.1U Active CN208887370U (en) | 2018-09-13 | 2018-09-13 | A kind of high temperature sample-melting stove |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109114982A (en) * | 2018-09-13 | 2019-01-01 | 国家地质实验测试中心 | A kind of high temperature sample-melting stove |
-
2018
- 2018-09-13 CN CN201821500564.1U patent/CN208887370U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109114982A (en) * | 2018-09-13 | 2019-01-01 | 国家地质实验测试中心 | A kind of high temperature sample-melting stove |
| CN109114982B (en) * | 2018-09-13 | 2024-05-10 | 国家地质实验测试中心 | High-temperature sample melting furnace |
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