CN213147365U - Muffle furnace - Google Patents

Abstract

The application relates to a muffle furnace relates to the technical field of roasting equipment for industrial analysis, wherein, a muffle furnace, comprising a furnace body, be provided with the heating chamber in the furnace body, be provided with the furnace gate on the furnace body, the heating intracavity is provided with the hot plate that is used for holding the object of waiting to heat, just but the hot plate pull sets up in the heating chamber. A muffle furnace in this application has the effect that reduces the condition that the hot gas in the muffle furnace scalded the people.

Description

Muffle furnace

Technical Field

The application relates to the field of roasting equipment for industrial analysis, in particular to a muffle furnace.

Background

The common name of muffle furnace in China is as follows: electric furnace, resistance furnace, Mafu furnace. The muffle furnace is a general heating device and can be divided into a box furnace, a tube furnace and a crucible furnace according to the appearance shape.

The utility model discloses a muffle furnace in chinese utility model patent of publication No. CN202126180U, including furnace body and furnace gate, the furnace body mainly comprises furnace and stove outer covering, and furnace body top or rear side are equipped with the pipe of discharging fume, and the furnace body bottom is equipped with the intake pipe with furnace intercommunication.

In view of the above-mentioned related art, the inventor thinks that when the muffle furnace is used to take out the vessel from the furnace body after heating is finished, the hot gas in the furnace body can scald the operator due to the high temperature in the furnace body, and therefore, a technical solution is needed to improve the above-mentioned technical problem.

SUMMERY OF THE UTILITY MODEL

In order to improve the steam scald staff's in the muffle problem, this application provides a muffle.

The application provides a muffle furnace adopts following technical scheme:

the utility model provides a muffle furnace, includes the furnace body, be provided with the heating chamber in the furnace body, be provided with the furnace gate on the furnace body, be provided with the hot plate that is used for holding the object of waiting to heat in the heating chamber, just but hot plate pull setting is in heating the intracavity.

Through adopting above-mentioned technical scheme, after putting into the muffle furnace to heat the article to be heated, when the heating is accomplished, open the furnace gate, operating personnel wears thermal-insulated gloves, takes out the hot plate in the heating chamber from the furnace body, takes out the article that the heating on the hot plate was accomplished from the hot plate again, is favorable to reducing the probability that the steam in the furnace body drifted out and lead to scalding operating personnel from the heating chamber, and then protects operating personnel, has improved the security that the muffle furnace used.

Optionally, the heating chamber is provided with a sliding groove on the two opposite inner side walls close to the oven door, and the heating plate is provided with a sliding block in sliding connection with the sliding groove.

Through adopting above-mentioned technical scheme, after waiting to heat article and heating the completion in the heating chamber, open the furnace gate, wear thermal-insulated gloves, the hot plate in the pulling heating chamber makes the slider on the hot plate slide in the spout, and then makes the hot plate take out from the heating chamber, and then takes out the article that the heating was accomplished on the hot plate, is favorable to improving the convenience of operation, and has improved the security of muffle furnace.

Optionally, the heating plate is provided with a heating through hole.

Through adopting above-mentioned technical scheme, when waiting to heat article and heating in the heating chamber, the heating through-hole on the hot plate is favorable to making and waiting to heat article and be heated evenly in the heating chamber, and then has improved the work efficiency of muffle furnace, makes the muffle furnace have good working effect.

Optionally, a friction layer is disposed on the heating plate.

Through adopting above-mentioned technical scheme, when waiting to heat article in the heating intracavity heating, will wait to heat article and place on the hot plate, the frictional layer on the hot plate is favorable to increasing the hot plate and waits to heat the frictional force between the article, and then makes and wait to heat article difficult slip on the hot plate, keeps the stability of waiting to heat article.

Optionally, a sealing ring for sealing the furnace body is arranged at the edge of the furnace body close to the furnace door.

Through adopting above-mentioned technical scheme, when waiting to heat article and heating the intracavity, the sealing washer on the furnace body is favorable to sealing the gap between furnace body and the furnace gate, and then reduces the steam in the heating intracavity and drifts out from the gap between furnace body and the furnace gate and lead to influencing the work effect of muffle furnace.

Optionally, a viewing window is arranged at a position of the oven door close to the heating cavity.

Through adopting above-mentioned technical scheme, when waiting to heat article and heating the intracavity, the observation window on the furnace gate can carry out real-time observation to the heating condition of waiting to heat article in the heating chamber, when waiting to heat article heating and accomplishing, in time will heat good article and take out from the heating intracavity, and then heat next article, is favorable to improving the whole work efficiency of muffle furnace.

Optionally, the observation window is a high temperature resistant glass window.

Through adopting above-mentioned technical scheme, when heating the article of waiting to heat in the heating chamber through the observation window, set up the observation window into high temperature resistant glass window and be favorable to making the observation window high temperature steam in the more resistant heating chamber of observation window, reduce the observation window and lead to the observation window to melt because of the steam high temperature in the heating chamber, and then influence the normal work of muffle furnace, be favorable to guaranteeing the normal work of muffle furnace.

Optionally, a heat insulation layer is arranged on the inner side wall of the furnace body.

Through adopting above-mentioned technical scheme, when waiting to heat article and heating in the heating chamber, the heat preservation in the furnace body is favorable to making the temperature of heating the intracavity be in under a good operating temperature, reduces heating chamber and external heat transfer, and then is favorable to improving the normal work efficiency of muffle furnace, makes the muffle furnace have good heating effect to article.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the heating is finished after the article to be heated is placed into the muffle furnace for heating, the furnace door is opened, an operator wears the heat insulation gloves to draw the heating plate in the heating cavity out of the furnace body, and then takes the article on the heating plate after being heated out of the heating plate, so that the probability that the operator is scalded due to the fact that hot air in the furnace body drifts out of the heating cavity is favorably reduced, the operator is protected, and the use safety of the muffle furnace is improved;

2. after the object to be heated is heated in the heating cavity, the furnace door is opened, the heat insulation gloves are worn, the heating plate in the heating cavity is pulled, the sliding block on the heating plate slides in the sliding groove, the heating plate is further pulled out of the heating cavity, and the heated object on the heating plate is further taken out, so that the convenience of operation is improved, and the safety of the muffle furnace is improved;

3. when the article to be heated heats in the heating cavity, the heating through hole on the heating plate is favorable for making the article to be heated evenly in the heating cavity, and then the work efficiency of the muffle furnace is improved, and the muffle furnace has a good work effect.

Drawings

FIG. 1 is a schematic view of a muffle according to an embodiment of the present disclosure;

fig. 2 is a schematic structural view of a muffle furnace according to an embodiment of the present application.

Description of reference numerals: 1. a furnace body; 2. a heating cavity; 3. a furnace door; 4. heating plates; 5. a chute; 6. a slider; 7. heating the through hole; 8. a friction layer; 9. a seal ring; 10. a heat-insulating layer; 11. and (4) an observation window.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a muffle furnace. Referring to fig. 1 and 2, a muffle furnace comprises a furnace body 1 in a cuboid shape, a heating cavity 2 in the furnace body 1 in the cuboid shape is arranged, the heating cavity 2 is integrally formed in the muffle furnace body 1, a furnace door 3 in the cuboid shape is arranged on the furnace body 1, the furnace door 3 is rotatably arranged on the furnace body 1 through a rotating shaft, a heating plate 4 in the cuboid shape for containing an object to be heated is arranged in the heating cavity 2, and the heating plate 4 is close to a cuboid-shaped sliding chute 5 arranged on two inner side walls of the furnace door 3 through the heating cavity 2 and a cuboid-shaped sliding block 6 which is arranged on the heating plate 4 and is in sliding connection with the sliding chute 5, so that the muffle furnace can be drawn out from the heating cavity 2. After putting into the muffle furnace to the article to be heated and heating, when the heating is accomplished, open furnace door 3, operating personnel wears thermal-insulated gloves, stimulate hot plate 4 in the heating chamber 2, make slider 6 on the hot plate 4 slide in spout 5, and then make hot plate 4 take out from heating chamber 2, and then take out the article that the heating was accomplished on the hot plate 4, be favorable to reducing the probability that steam in furnace body 1 drifted out and lead to scalding operating personnel from heating chamber 2, and then protect operating personnel, the security that the muffle furnace used has been improved, and be favorable to improving the convenience of operation.

A heating through hole 7 in a circular shape is arranged on the heating plate 4, and the heating through hole 7 is integrally formed on the heating plate 4; and a strip-shaped friction layer 8 is arranged on the heating plate 4, and the friction layer 8 can be a polytetrafluoroethylene layer in this embodiment. The heating through holes 7 are beneficial to enabling the to-be-heated object to be uniformly heated in the heating cavity 2, so that the working efficiency of the muffle furnace is improved, and the muffle furnace has a good working effect; and the friction layer 8 is beneficial to increasing the friction force between the heating plate 4 and the heated object, so that the heated object is not easy to slide on the heating plate 4, and the stability of the heated object is kept.

The edge of the furnace body 1 close to the furnace door 3 is provided with an annular sealing ring 9 for sealing the furnace body 1. The sealing ring 9 is beneficial to sealing the gap between the furnace body 1 and the furnace door 3, thereby reducing the influence on the working effect of the muffle furnace caused by the hot air in the heating cavity 2 flowing out from the gap between the furnace body 1 and the furnace door 3.

An observation window 11 in a cuboid shape is arranged at the position of the furnace door 3 close to the heating cavity 2, and the observation window 11 is a high-temperature resistant glass window. An operator can observe the heating condition of the heated object in the heating cavity 2 in real time through the observation window 11, and when the heating of the heated object is completed, the heated object is taken out of the heating cavity 2 in time so as to heat the next object, which is beneficial to improving the overall working efficiency of the muffle furnace; and set up observation window 11 into high temperature resistant glass window and be favorable to making observation window 11 be able to bear or endure the high temperature steam in the heating chamber 2 more, reduce observation window 11 and lead to observation window 11 to melt because of the steam high temperature in the heating chamber 2, and then influence the normal work of muffle furnace.

The inner side wall of the furnace body 1 is provided with a rectangular heat preservation layer 10. The heat preservation layer 10 is favorable for enabling the temperature in the heating cavity 2 to be at a good working temperature, reduces the heat transfer between the heating cavity 2 and the outside, and further is favorable for improving the normal working efficiency of the muffle furnace, so that the muffle furnace has a good heating effect on the articles

The implementation principle of a muffle furnace of the embodiment of the application is as follows: when an article to be heated needs to be placed in the muffle furnace for heating, the article to be heated is placed on the heating plate 4 arranged in the heating cavity 2 in a sliding manner, and the heating through holes 7 on the heating plate 4 are beneficial to enabling the article to be heated in the heating cavity 2 uniformly; the friction stripes on the heating plate 4 are beneficial to increasing the friction force between the heated object and the heating plate 4, so that the stability of the heated object on the heating plate 4 is improved; the sealing ring 9 on the furnace body 1 is beneficial to sealing the gap between the furnace body 1 and the furnace door 3, and the hot air in the heating cavity 2 is reduced from flowing out from the gap, so that the working effect of the muffle furnace is influenced; the heat insulation layer 10 in the furnace body 1 is beneficial to keeping a good working temperature in the heating cavity 2, reducing the heat exchange probability between the heating cavity 2 and the outside and further improving the working efficiency of the muffle furnace; an operator can observe the heating condition of the object to be heated in the heating cavity 2 in real time through the high-temperature resistant glass window on the furnace door 3, and then take out the heated object in time to heat the next object, which is beneficial to improving the working efficiency of the muffle furnace; after the heating is accomplished, open furnace gate 3, wear thermal-insulated gloves, through pulling hot plate 4, slider 6 on messenger's hot plate 4 is interactive in the spout 5 that corresponds with slider 6 on heating chamber 2, and then make hot plate 4 pull in heating chamber 2, take out from the hot plate 4 that the pull came out with the article that the heating was accomplished at last again, be favorable to reducing the condition that the steam in heating chamber 2 blew out and scald operating personnel, protect operating personnel, and the security when having improved the muffle furnace and using.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a muffle furnace, includes furnace body (1), be provided with heating chamber (2) in furnace body (1), be provided with furnace gate (3) on furnace body (1), its characterized in that: a heating plate (4) used for containing an object to be heated is arranged in the heating cavity (2), and the heating plate (4) can be drawn and pulled in the heating cavity (2).

2. A muffle according to claim 1, wherein: the double-phase inner side wall that heating chamber (2) are close to furnace gate (3) is provided with spout (5), be provided with on hot plate (4) and correspond sliding connection's slider (6) with spout (5).

3. A muffle according to claim 1, wherein: and a heating through hole (7) is formed in the heating plate (4).

4. A muffle according to claim 1, wherein: and a friction layer (8) is arranged on the heating plate (4).

5. A muffle according to claim 1, wherein: the edge of the furnace body (1) close to the furnace door (3) is provided with a sealing ring (9) for sealing the furnace body (1).

6. A muffle according to claim 1, wherein: an observation window (11) is arranged at the position of the furnace door (3) close to the heating cavity (2).

7. A muffle according to claim 6 wherein: the observation window (11) is a high-temperature resistant glass window.

8. A muffle according to claim 1, wherein: and a heat-insulating layer (10) is arranged on the inner side wall of the furnace body (1).

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