CN220750761U

CN220750761U - Rotary tube furnace equipment

Info

Publication number: CN220750761U
Application number: CN202322382190.5U
Authority: CN
Inventors: 况文豪; 于影; 刘江; 韩天翀
Original assignee: Liyang Zichen New Material Technology Co ltd
Current assignee: Liyang Zichen New Material Technology Co ltd
Priority date: 2023-09-04
Filing date: 2023-09-04
Publication date: 2024-04-09
Anticipated expiration: 2033-09-04

Abstract

The utility model belongs to the technical field of tube furnaces and discloses rotary tube furnace equipment. The rotary tube furnace equipment comprises a furnace body, a furnace tube, a heating piece and a rotary assembly, wherein the heating piece is used for heating the furnace tube, a placing cavity is formed in the furnace body, and the rotary assembly is used for driving the furnace body and the furnace tube to rotate; the heating element is positioned outside the placing cavity and corresponds to the furnace tube. This rotatory tubular furnace equipment is through setting the length of boiler tube to the length that is less than the furnace body, when the heating piece heats, can make the heat of heating piece evenly transmit to place the intracavity to can guarantee to be located the everywhere of the boiler tube of placing the intracavity and be heated evenly, guarantee the heating effect to the material in the boiler tube.

Description

Rotary tube furnace equipment

Technical Field

The utility model relates to the technical field of tube furnaces, in particular to a rotary tube furnace device.

Background

The rotary tube furnace equipment is professional equipment for measuring materials under a certain atmosphere condition, is widely applied to industries such as powder particles, chemical industry, new energy sources and the like, and has the advantages of short sintering period, low labor intensity and the like. The rotary tube furnace equipment comprises a furnace body, a furnace tube and a heating piece, wherein the furnace tube is positioned in the furnace body, and the heating piece is positioned on the outer side of the furnace tube and used for heating the furnace tube.

However, in the existing rotary tube furnace device, the length of the furnace tube is generally longer than that of the furnace body, that is, the two end parts of the furnace tube extend to the outer side of the furnace body, and the heating element is arranged in the furnace body, that is, the heating element cannot directly heat the two ends of the furnace tube, so that the temperature of the part of the furnace tube exceeding the furnace body is obviously lower, the whole furnace tube is heated unevenly, and the heating effect on materials is affected.

Disclosure of Invention

The utility model aims to provide a rotary tube furnace device, which ensures that the length of a furnace tube is shorter than that of a furnace body, ensures that a heating piece heats the furnace tube uniformly and has good heating effect on materials in the furnace tube.

To achieve the purpose, the utility model adopts the following technical scheme:

the rotary tube furnace equipment comprises a furnace body, a furnace tube, a heating piece and a rotary component, wherein the heating piece is used for heating the furnace tube, a placing cavity is formed in the furnace body, the rotary component is used for driving the furnace body and the furnace tube to rotate,

the furnace tube is arranged in the placing cavity, two end parts of the furnace tube are both positioned in the placing cavity, and the heating piece is positioned outside the placing cavity and corresponds to the furnace tube.

As the preferable scheme of the rotary tube furnace equipment, the furnace tube is arranged in the placing cavity in an interference manner.

As a preferred embodiment of the rotary tube furnace apparatus, the furnace tube includes:

the two ends of the equal-width part, which are oppositely arranged, are respectively communicated with the narrowing part, and the diameter of the narrowing part gradually decreases from the center of the placing cavity to the outer side of the furnace body.

As a preferred embodiment of the rotary tube furnace apparatus, the furnace tube further comprises:

the fixing piece is used for connecting the narrowing part and the equal-width part, and can be clamped to the inner wall surface of the placing cavity, so that the furnace tube is arranged in the placing cavity in an interference mode.

As a preferred embodiment of the rotary tube furnace apparatus, the fixing member includes:

a first mounting surface provided on one end of the narrowed portion near the uniform width portion;

the second mounting surface is arranged at one end of the equal-width part, the first mounting surface and the second mounting surface are arranged opposite to each other, and the peripheral edges of the first mounting surface and the second mounting surface are arranged in a protruding mode relative to the periphery of the equal-width part so that the peripheral edges can be in interference abutting contact with the inner wall surface of the placing cavity;

and the fastener is used for connecting the first mounting surface and the second mounting surface.

As a preferred mode of the rotary tube furnace device, a friction layer is laid on the peripheral edge, and the friction layer is in interference abutting connection with the inner wall surface of the placing cavity.

As a preferred aspect of the rotary tube furnace apparatus, the rotary tube furnace apparatus further includes a work frame, and the rotary assembly includes:

the fixed end of the driving piece is arranged on the working frame;

the driving end of the driving piece is in driving connection with the driving piece;

the roller is in transmission connection with the roller, the roller can support the furnace body, the roller is used for rotating so as to drive the furnace body to rotate.

As a preferable scheme of the rotary tube furnace equipment, a sand grinding layer is arranged on the outer peripheral surface of the roller, which is used for contacting the furnace body.

As a preferable mode of the rotary tube furnace device, a through hole is formed on one end of the narrowing part which is not communicated with the equal-width part, one of the two through holes forms an inlet, and the other forms an outlet; the rotary tube furnace apparatus further comprises:

one end of the air inlet pipe is positioned outside the furnace body, and the other end of the air inlet pipe penetrates into the furnace body to be communicated with the inlet;

one end of the air outlet pipe is communicated with the outlet, and the other end of the air outlet pipe penetrates through the furnace body to be positioned outside the furnace body.

As a preferred embodiment of the rotary tube furnace apparatus, the furnace body further comprises:

the cavity is detachably arranged in the furnace body and positioned on one side of the furnace tube, and one end of the air inlet pipe or one end of the air outlet pipe is connected in the cavity in a sealing way and is partially positioned in the narrowing part.

The beneficial effects are that:

according to the rotary tube furnace equipment provided by the utility model, the furnace body is driven to rotate through the rotary component, the furnace body rotates to drive the furnace tube to rotate, and the heating piece is used for heating the rotating furnace tube so as to heat materials in the furnace tube; by adopting the mode, the whole furnace tube is placed in the placement cavity of the furnace body, namely, the length of the furnace tube is set to be smaller than that of the furnace body, and the heating piece and the furnace tube are correspondingly arranged, so that the heat of the heating piece can be uniformly transferred into the placement cavity, the furnace tube in the placement cavity can be uniformly heated by the heating piece, the problem that the heating effect of the heating piece on two ends of the furnace tube cannot be guaranteed due to the fact that the length of the furnace tube is longer and extends out of the placement cavity in the prior art is avoided, and further the material in the furnace tube can be uniformly heated.

Drawings

Fig. 1 is a schematic structural view of a rotary tube furnace apparatus according to an embodiment of the present utility model.

In the figure:

1. a furnace body; 11. a placement cavity; 12. a cavity;

2. a furnace tube; 21. a narrowing portion; 22. an equal width portion; 23. a fixing member;

3. an air inlet pipe;

4. an air outlet pipe;

5. a rotating assembly; 51. a driving member; 52. a transmission member; 53. a roller;

6. a seal;

7. a working frame.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

As shown in fig. 1, the present embodiment provides a rotary tube furnace apparatus including a furnace body 1, furnace tubes 2, heating members, and a rotary member 5. Wherein, a placing cavity 11 is formed on the inner side of the furnace body 1, the furnace tube 2 is arranged in the placing cavity 11, and both ends of the furnace tube 2 are positioned in the placing cavity 11, that is, the whole furnace tube 2 is positioned in the placing cavity 11, that is, both ends of the furnace tube 2 can not extend to the outer side of the placing cavity 11; the heating element is used for heating the furnace tube 2 and is fixedly arranged on the outer side of the placing cavity 11, namely, the heating element is fixedly arranged on the shell of the furnace body 1 and is correspondingly arranged with the furnace tube 2, namely, the heating element is fixedly arranged on the outer side of the furnace tube 2 so that the heating element can heat the furnace tube 2 in the placing cavity 11; the rotating assembly 5 is arranged below the furnace body 1 and used for driving the furnace body 1 to rotate, so that the furnace body 1 drives the furnace tube 2 to rotate, the materials in the furnace tube 2 can be heated in a rotating mode, and the heating effect on the materials is guaranteed.

Through placing whole boiler tube 2 in the chamber 11 of placing of furnace body 1, set up the length of boiler tube 2 to be less than the length of furnace body 1, and the corresponding setting of heating element and boiler tube 2, make the heat of heating element evenly transfer to place in the chamber 11, in order to make the heating element evenly heat the boiler tube 2 of placing in the chamber 11, avoid because boiler tube 2 length is longer and stretch out to place outside the chamber 11 and can't guarantee the heating effect of heating element to the boiler tube 2 both ends, and then can guarantee the heating effect of the material that is located the boiler tube 2 inboard better.

Further, the furnace tube 2 is in interference fit with the inner wall surface of the placement cavity 11, on one hand, the furnace tube 2 can be fixedly arranged in the placement cavity 11 without additional fixing parts, so that relative movement between the furnace tube 2 and the furnace body 1 can be avoided, and the furnace tube 2 can synchronously rotate along with the furnace body 1; on the other hand can make realize dismantling between furnace tube 2 and the furnace body 1 and be connected, can simply and easily dismantle furnace tube 2 from furnace body 1 to make the dismantlement of furnace tube 2 comparatively simple and convenient, the change and the maintenance of the furnace tube 2 of being convenient for have improved the convenience of throwing the material in the furnace tube 2.

Specifically, the furnace tube 2 includes a uniform width portion 22 and narrowed portions 21 disposed opposite to both ends of the uniform width portion 22, the uniform width portion 22 and the narrowed portions 21 are communicated, and the diameter of the narrowed portions 21 gradually decreases in a direction away from the uniform width portion 22.

The diameter of the narrowing part 21 gradually decreases from the center of the placing cavity 11 to the outer side of the furnace body 1, so that the contact area between the working gas in the furnace tube 2 and the inner wall surface of the furnace tube 2 can be increased, and further, the materials in the furnace tube 2 can be ensured to be in full contact with the working gas, and the materials at all positions in the furnace tube 2 can be reacted under the atmosphere of the working gas, so that the reaction of the materials is more sufficient, and the discharge rate of the materials is increased.

Further, the furnace tube 2 further comprises a fixing piece 23, wherein the fixing piece 23 is used for connecting the narrowing part 21 and the equal-width part 22, so that detachable connection between the narrowing part 21 and the equal-width part 22 can be realized; and the fixing piece 23 abuts against the inner wall surface of the placement chamber 11.

Specifically, the narrowing portion 21 and the constant width portion 22 of the furnace tube 2 are formed by separate processing, and the three portions are connected together by using a fixing piece 23; compared with the prior art, when any part of the furnace tube 2 is damaged and needs to be replaced, the furnace tube 2 does not need to be replaced integrally, and only the damaged part needs to be replaced, so that the replacement or maintenance cost of the furnace tube 2 can be reduced.

Further, the fixing member 23 includes a first mounting surface, a second mounting surface, and a fastener. Wherein the first mounting surface is provided on one end of the narrowed portion 21 near the constant width portion 22; the second mounting surface is disposed at one end of the equal-width portion 22, the first mounting surface is disposed opposite to the second mounting surface, and the fastener can connect the first mounting surface and the second mounting surface to fixedly connect the equal-width portion 22 with the narrowed portion 21. The fastening piece can be a screw, a bolt or the like, and the arrangement of the fastening piece enables the fixing and the dismounting between the narrowing part 21 and the equal-width part 22 to be more convenient; and, the arrangement of the two mounting surfaces can strengthen the fastening effect of the fastening piece, and the connection stability among all parts of the furnace tube 2 is increased, so that the working stability of the furnace tube 2 is ensured.

Specifically, the peripheral edges of the first mounting surface and the second mounting surface are arranged to protrude with respect to the outer periphery of the equal-width portion 22, so that the protruding peripheral edges of the first mounting surface and the second mounting surface can abut against the inner wall surface of the placement cavity 11, thereby realizing interference mounting of the whole furnace tube 2 in the placement cavity 11.

Further, friction layers are laid on the outer peripheral edges of the first mounting surface and the second mounting surface so that the friction layers can abut against the inner wall surface of the placement chamber 11. The friction layer can increase the friction force between the first mounting surface and the second mounting surface and the inner wall surface of the placing cavity 11, so that the abutting friction force between the furnace tube 2 and the furnace body 1 can be increased, the furnace tube 2 is prevented from slipping in the furnace body 1, and synchronous rotation between the furnace tube 2 and the furnace body 1 is stable.

Specifically, the rotary tube furnace apparatus further includes an air inlet tube 3 and an air outlet tube 4. One end of the air inlet pipe 3 is positioned at the outer side of the furnace body 1, and the other end of the air inlet pipe 3 penetrates into the furnace body 1 to be communicated with the furnace tube 2; one end of the air outlet pipe 4 is communicated with the furnace pipe 2, and the other end of the air outlet pipe 4 penetrates out of the furnace body 1 to be positioned outside the furnace body 1.

When the rotary tube furnace equipment works, firstly, materials are put into a furnace tube 2, and then working gas is introduced into the furnace tube 2 from an air inlet tube 3, so that the materials in the furnace tube 2 are contacted with the working gas, and the materials at all positions in the furnace tube 2 can react under the atmosphere of the working gas; simultaneously, the heating element and the rotating assembly 5 are started, the furnace body 1 and the furnace tube 2 are rotated under the rotation driving of the rotating assembly 5, and simultaneously, the furnace tube 2 is rotated and heated under the heating action of the heating element, so that materials in the furnace tube 2 can fully react.

Further, a through hole is provided at one end of the narrowed portion 21 away from the uniform width portion 22, one of the two through holes of the two narrowed portions at both ends of the uniform width portion 22 forms an inlet, and the other forms an outlet; wherein, intake pipe 3 communicates with the entry, and outlet duct 4 communicates with the export.

Through set up the through-hole on the portion of narrowing 21 to with intake pipe 3 and outlet duct 4 respectively with the through-hole intercommunication, can guarantee the controllability of the flow of working gas, and can have the guidance quality to the flow of working gas, guarantee that working gas can not overflow to the outside of boiler tube 2.

Further, the furnace body 1 further comprises a cavity 12, the cavity 12 is detachably arranged in the furnace body 1 and located at one side of the furnace tube 2, and one end of the air inlet pipe 3 or the air outlet pipe 4 is connected in the cavity 12 in a sealing manner and is partially located in the narrowing part 21.

By positioning the partial structure of one end of the gas inlet pipe 3 or the gas outlet pipe 4 in the narrowed portion 21, the working gas can be better guided into the furnace tube 2, and the working gas is further ensured not to easily overflow to the outside of the furnace tube 2.

Specifically, one end of the air inlet pipe 3 or the air outlet pipe 4 is welded with the cavity 12, so that the tightness of the air inlet pipe 3 or the air outlet pipe 4 is ensured, and the air tightness of the rotary tube furnace equipment can be ensured.

Wherein, the cavity 12 is fixedly arranged in the placing cavity 11 of the furnace body 1 by using a detachable piece such as a bolt or a screw. Through making cavity 12 detachable connection in placing cavity 11, when needs take out boiler tube 2 from furnace body 1, because the partial structure of the one end of intake pipe 3 or outlet duct 4 is located the constriction 21, then need to pull down the cavity 12 that is located one of them side of boiler tube 2 earlier, that is to say, loosen the screw or the screw between cavity 12 and the furnace body 1 earlier, take out whole cavity 12 from placing cavity 11 again can, later directly take out boiler tube 2.

The cavity 12 at the other side of the furnace tube 2 and the furnace body 1 may be detachably connected, which is convenient for maintenance, or non-detachably connected, which may increase the stability of connection and the tightness of the rotary tube furnace device, which is not limited herein.

Further, the rotary tube furnace device further comprises a sealing member 6, an opening is formed in the inner side of the cavity 12, the opening is used for the air inlet tube 3 or the air outlet tube 4 to pass through, and the sealing member 6 is welded on the opening and far away from a port of the furnace tube 2, so that tightness between the air inlet tube 3 or the air outlet tube 4 and the cavity 12 is guaranteed. Preferably, the sealing element 6 is a sealing flange, and the sealing effect of the sealing flange is better. In other embodiments, the seal 6 may also be a conventional disc or the like, which is less costly.

Further, the rotary tube furnace apparatus further comprises a work frame 7, and the rotary assembly 5 comprises a driving member 51, a transmission member 52 and a roller 53. Wherein, the fixed end of the driving piece 51 is arranged on the working frame 7; the driving end of the driving piece 51 is in driving connection with the transmission piece 52; the transmission piece 52 is connected with the roller 53 in a transmission way, the roller 53 can support the furnace body 1, and the roller 53 is used for driving the furnace body 1 to rotate through rotation. In this embodiment, the driving member 51 may be a motor, and the driving member 52 is a transmission shaft, so that the rotation output of the rotation assembly 5 is more stable and the supporting performance is better. In other embodiments, the transmission 52 may also be a hydraulic transmission system, a belt transmission system, a chain transmission system, or the like, without limitation.

Specifically, when the driving member 51 is operated, the output end of the driving member 51 drives the driving member 52 to rotate, and the driving member 52 rotates to be capable of driving the roller 53 to rotate, so that the furnace body 1 can be driven to rotate by the rotation of the roller 53.

Further, the roller 53 is provided with a sand grinding layer on the outer peripheral surface for contacting the furnace body 1, so that friction force between the roller 53 and the furnace body 1 can be increased, and slipping of the furnace body 1 relative to the roller 53 is avoided, so that rotation stability of the furnace body 1 under the driving of the roller 53 is guaranteed. The frosted layer is specifically a Gao Wenmo sand-resistant layer, which can protect the roller 53 and prolong the service life of the roller 53.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. The rotary tube furnace equipment comprises a furnace body (1), a furnace tube (2), a heating element and a rotary component (5), wherein the heating element is used for heating the furnace tube (2), a placing cavity (11) is formed in the furnace body (1), the rotary component (5) is used for driving the furnace body (1) and the furnace tube (2) to rotate, and is characterized in that,

the furnace tube (2) is arranged in the placing cavity (11), two end parts of the furnace tube (2) are both positioned in the placing cavity (11), and the heating piece is positioned outside the placing cavity (11) and is arranged corresponding to the furnace tube (2).

2. The rotary tube furnace apparatus according to claim 1, characterized in that the furnace tube (2) is interference fit with the inner wall surface of the placement chamber (11) so that the furnace tube (2) can rotate synchronously with the furnace body (1).

3. The rotary tube furnace apparatus according to claim 2, wherein the furnace tube (2) comprises an equal width portion (22) and narrowed portions (21) disposed opposite to both ends of the equal width portion (22), the equal width portion (22) and the narrowed portions (21) are communicated, and a diameter of the narrowed portions (21) is gradually reduced in a direction away from the equal width portion (22).

4. A rotary tube furnace apparatus according to claim 3, characterized in that the furnace tube (2) further comprises a fixing member (23), the fixing member (23) being for connecting the narrowed portion (21) and the constant width portion (22), the fixing member (23) being abutted to an inner wall surface of the placement chamber (11).

5. A rotary tube furnace apparatus according to claim 4, characterized in that the fixture (23) comprises:

a first mounting surface provided on one end of the narrowed portion (21) near the uniform width portion (22);

a second mounting surface provided at one end of the uniform width portion (22), the first mounting surface being provided so as to face the second mounting surface, and outer peripheral edges of the first and second mounting surfaces being provided so as to protrude with respect to an outer periphery of the uniform width portion (22) so that the outer peripheral edges can abut against an inner wall surface of the placement chamber (11);

6. A rotary tube furnace apparatus according to claim 5, characterized in that a friction layer is laid on the peripheral edge, which friction layer abuts against the inner wall surface of the placement chamber (11).

7. A rotary tube furnace apparatus according to any one of claims 1-6, characterized in that the rotary tube furnace apparatus further comprises a work frame (7), the rotary assembly (5) comprising:

the fixed end of the driving piece (51) is arranged on the working frame (7);

the driving end of the driving piece (51) is in driving connection with the driving piece (52);

the roller (53), the driving medium (52) with roller (53) transmission is connected, roller (53) can support furnace body (1), roller (53) are used for through rotating in order to drive furnace body (1) rotation.

8. A rotary tube furnace apparatus according to claim 7, characterized in that a sand layer is provided on the outer peripheral surface of the roller (53) for contacting the furnace body (1).

9. A rotary tube furnace apparatus according to any one of claims 3-6, characterized in that one end of the narrowed portion (21) remote from the uniform width portion (22) is provided with a through hole, one of the through holes of two narrowed portions (21) at both ends of the uniform width portion (22) forming an inlet, the other forming an outlet; the rotary tube furnace apparatus further comprises:

the air inlet pipe (3), one end of the air inlet pipe (3) is positioned outside the furnace body (1), and the other end of the air inlet pipe penetrates into the furnace body (1) to be communicated with the inlet;

the air outlet pipe (4), one end of the air outlet pipe (4) is communicated with the outlet, and the other end of the air outlet pipe penetrates out of the furnace body (1) to be positioned outside the furnace body (1).

10. The rotary tube furnace apparatus according to claim 9, wherein the furnace body (1) further comprises:

the cavity (12) is detachably arranged in the furnace body (1) and is positioned on one side of the furnace tube (2), and one end of the air inlet tube (3) or one end of the air outlet tube (4) is connected in the cavity (12) in a sealing way and is partially positioned in the narrowing part (21).