CN219797981U - Industrial heat treatment furnace - Google Patents

Abstract

The utility model provides an industrial heat treatment furnace, which comprises a vertical furnace body, wherein an installation chamber and a heating chamber are respectively arranged in the vertical furnace body, a lifting structure is fixedly installed in the installation chamber, a supporting structure extending into the heating chamber is fixedly installed at the top of the lifting structure, a heat preservation component is fixedly installed on the inner wall of the heating chamber, a resistance wire is installed in the heat preservation component, an outer cavity is fixedly installed on the outer side of the vertical furnace body, and a heat conduction component extending into the heat preservation component is installed in a butt joint manner in the outer cavity. According to the utility model, the lifting structure and the supporting structure are matched with each other, so that the workpiece can be matched with external hoisting equipment better for butt joint after being heated, and the whole process is faster and more convenient; the heat conduction component in the outer cavity can quickly recover the temperature lost by the furnace body under the condition of medium filling.

Description

Industrial heat treatment furnace

Technical Field

The utility model relates to the technical field of industrial heat treatment, in particular to an industrial heat treatment furnace.

Background

The heat treatment furnace refers to an electric furnace or a fuel furnace for heat treatment and heating of furnace burden. Typical heat treatment furnaces include a box-type resistance furnace, a well-type resistance furnace, a gas carburizing furnace, a salt bath furnace, and the like. Continuous furnaces are typically used in which workpieces are continuously fed from a charging gate, passed through a furnace, and continuously discharged from a discharging gate. The common conveying mode in the furnace is that a workpiece is loaded on a heat-resistant steel guide rail and is conveyed by a stepping movable beam or a push rod, a heat treatment furnace widely applies heat treatment processing operation in various industrial fields, and the heat treatment furnace is used for heating and processing a metal workpiece;

the heating components in the traditional heat treatment furnace are arranged outside the liner of the furnace body or concentrated at one position to heat the processing, but the heating components also easily cause the increase of the heating time of the whole furnace body and reduce the heating progress of the workpiece during heating;

by retrieving the patent number: CN210974821U provides a heat treatment furnace, comprising a furnace body, wherein a hearth is arranged in the furnace body, a furnace liner for placing a workpiece to be treated is arranged in the hearth, and a resistance wire for heating is arranged on the outer surface of the furnace wall of the furnace liner;

although the heat treatment furnace solves the problems in the prior art, the temperature reached by the heat treatment furnace is a high temperature index during the operation, the temperature loss of the furnace body still occurs due to the influence of temperature difference, and during the heating of the workpiece, personnel need to cooperate through external hoisting equipment to lower or hoist the workpiece material, but during the material taking, the personnel need to frequently debug and stretch into the hanging head in the furnace body until the hanging part of the workpiece is in fit and butt joint, so that the whole operation is time-consuming and not convenient enough.

In summary, there is a need for a heat treatment furnace with adjustable workpiece placement height.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an industrial heat treatment furnace, which solves the problems in the background art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

the industrial heat treatment furnace comprises a vertical furnace body, wherein an installation chamber and a heating chamber are respectively arranged in the vertical furnace body, a lifting structure is fixedly installed in the installation chamber, a supporting structure extending into the heating chamber is fixedly installed at the top of the lifting structure, a heat preservation component is fixedly installed on the inner wall of the heating chamber, a resistance wire is installed in the heat preservation component, an outer cavity is fixedly installed on the outer side of the vertical furnace body, a heat conduction component extending into the heat preservation component is installed in the outer cavity in a butt joint manner, a furnace mouth is fixedly installed at the top of the vertical furnace body, and a furnace cover is installed at the end part of the furnace mouth in a butt joint manner;

the supporting structure comprises supporting rods, connecting plates and ceramic supporting plates, two groups of supporting rods extending into the heating chamber are fixedly arranged at the top of the lifting structure, and the ceramic supporting plates are fixedly arranged at the tops of the supporting rods through the connecting plates.

Further, the lifting structure comprises an air spring, an air pipe and a connector, wherein the air spring is fixedly arranged at the bottom in the mounting chamber, the connector is arranged on the air spring in a butt joint mode, the air pipe extending out of the vertical furnace body is arranged on the connector in a butt joint mode, and the end portion of the air pipe penetrates through the furnace mouth.

Further, the top of the outer cavity is fixedly provided with a water injection pipe extending to the inside, the top of the outer cavity is fixedly provided with a water drain pipe extending to the inside, and the water injection pipe and the end part of the water drain pipe penetrate through the furnace mouth.

Further, the heat preservation subassembly includes ceramic insulation cover, wire net adopts cement foam board, built-in groove, the inner wall fixed mounting of heating chamber has the wire net to adopt cement foam board, the inner wall fixed mounting that the wire net adopted cement foam board has ceramic insulation cover, be provided with the built-in groove with the resistance wire installation in the ceramic insulation cover.

Further, a butt joint groove for the built-in installation of the supporting structure is formed in the bottom of the heating chamber, and a perforation matched with the supporting structure is formed between the installation chamber and the butt joint groove.

Further, the heat conduction assembly comprises heat dissipation fins and heat transfer strips, the heat transfer strips extending into the heat insulation assembly are inserted and installed on the vertical furnace body in the outer cavity, and the heat dissipation fins are installed at the outer ends of the heat transfer strips together.

The utility model provides an industrial heat treatment furnace. Compared with the prior art, the method has the following beneficial effects:

the lifting structure and the supporting structure are matched with each other, so that the furnace body can be used for internally placing workpieces with different lengths, the workpieces can be lifted and supported in a bottom-to-top mode after heating is finished, the workpieces are enabled to protrude out, the workpieces can be matched with external hoisting equipment better to be in butt joint after heating is finished, and the whole process is faster and more convenient; the heat conduction component in the outer cavity can quickly recover the temperature lost by the furnace body under the condition of medium filling, so that the furnace body achieves the recycling effect during operation.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view showing a semi-sectional structure of a heat treatment furnace of the present utility model;

FIG. 2 is a schematic view showing a heat treatment furnace in full section according to the present utility model;

FIG. 3 shows a schematic view of the support structure composition of the present utility model;

FIG. 4 shows an enlarged schematic view of the A-part assembly of the present utility model;

the figure shows: 1. a vertical furnace body; 101. a mounting chamber; 102. a heating chamber; 103. a butt joint groove; 104. perforating; 2. a lifting structure; 21. an air spring; 22. an air pipe; 23. a connector; 3. an outer cavity; 31. a water injection pipe; 32. a drain pipe; 4. a heat conducting component; 41. radiating fins; 42. a heat transfer strip; 5. a furnace mouth; 6. a resistance wire; 8. a furnace cover; 7. a support structure; 71. a support rod; 72. a connecting plate; 73. a ceramic support plate; 9. a thermal insulation assembly; 91. a ceramic insulation sleeve; 92. the steel wire mesh adopts a cement foam board; 93. a built-in groove.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions in the embodiments of the present utility model are clearly and completely described, and it is obvious that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

In order to solve the technical problems in the background technology, an industrial heat treatment furnace is provided as follows:

referring to fig. 1-4, the industrial heat treatment furnace provided by the utility model comprises a vertical furnace body 1, wherein an installation chamber 101 and a heating chamber 102 are respectively arranged in the vertical furnace body 1, a lifting structure 2 is fixedly arranged in the installation chamber 101, a supporting structure 7 extending into the heating chamber 102 is fixedly arranged at the top of the lifting structure 2, a heat insulation assembly 9 is fixedly arranged on the inner wall of the heating chamber 102, a resistance wire 6 is arranged in the heat insulation assembly 9, an outer cavity 3 is fixedly arranged at the outer side of the vertical furnace body 1, a heat conduction assembly 4 extending into the heat insulation assembly 9 is arranged in the outer cavity 3 in a butt joint manner, a furnace mouth 5 is fixedly arranged at the top of the vertical furnace body 1, and a furnace cover 8 is arranged at the end part of the furnace mouth 5 in a butt joint manner;

the supporting structure 7 comprises supporting rods 71, a connecting plate 72 and ceramic supporting plates 73, two groups of supporting rods 71 extending into the heating chamber 102 are fixedly arranged at the top of the lifting structure 2, and the ceramic supporting plates 73 are fixedly arranged at the tops of the supporting rods 71 through the connecting plate 72.

After the vertical furnace body 1 is installed, the corresponding operation is carried out through the components in the installation chamber 101 and the heating chamber 102, the heat preservation operation of the heating furnace to the inside is realized through the heat preservation component 9 in the heating chamber 102, the heating operation of the inside workpiece is realized through the resistance wire 6, the temperature of the furnace body can be conducted and recovered by utilizing the heat conduction component 4 in the outer cavity 3, the loss of the temperature of the furnace body is avoided, the sealing butt joint of the furnace body is realized under the butt joint cooperation of the furnace mouth 5 and the furnace cover 8, after the treatment is finished, the supporting structure 7 is lifted upwards by the inflation refreshing of the lifting structure 2, and the workpiece placed inside is lifted.

The pneumatic operation of the lifting structure 2 is adopted, the supporting rod 71 is pushed, the supporting rod 71 is driven to enter the heating chamber 102 from the installation chamber 101, the bottom of a heated workpiece is also located on the ceramic supporting plate 73, at that time, the heated workpiece is lifted out along with the lifting of the ceramic supporting plate 73, and personnel can better butt joint and lifting operation on the heated workpiece.

Example two

As shown in fig. 1 and 2, on the basis of the above embodiment, the present embodiment further gives the following:

in this embodiment, the lifting structure 2 includes an air spring 21, an air pipe 22, and a connector 23, the air spring 21 is fixedly installed at the bottom in the installation chamber 101, the connector 23 is installed on the air spring 21 in a butt joint manner, the air pipe 22 extending out of the vertical furnace body 1 is installed on the connector 23 in a butt joint manner, and the end part of the air pipe 22 penetrates through the furnace mouth 5.

Before operation, the end part of the air pipe 22 is in butt joint with an external pipeline, so that the air pipe 22 is promoted to perform inflation and exhaustion operations in the air spring 21 through the connector 23, the air spring 21 is correspondingly lifted and lowered, and subsequent lifting is completed.

In the embodiment, a water injection pipe 31 extending to the inside is fixedly arranged at the top of the outer cavity 3, a water discharge pipe 32 extending to the inside is fixedly arranged at the top of the outer cavity 3, and the ends of the water injection pipe 31 and the water discharge pipe 32 penetrate through the furnace mouth 5;

the water injection operation in the outer cavity 3 can be realized through the water injection pipe 31, the water in the outer cavity 3 can be promoted to recover heat, the water in the outer cavity 3 can be extracted through the water discharge pipe 32, the external use is caused, and the water discharge pipe 32 extends to the bottom in the outer cavity 3.

Example III

As shown in fig. 1 to 4, on the basis of the above embodiment, the present embodiment further provides the following:

in the embodiment, the heat insulation assembly 9 comprises a ceramic heat insulation sleeve 91, a steel wire mesh cement foam board 92 and a built-in groove 93, wherein the steel wire mesh cement foam board 92 is fixedly arranged on the inner wall of the heating chamber 102, the ceramic heat insulation sleeve 91 is fixedly arranged on the inner wall of the steel wire mesh cement foam board 92, and the built-in groove 93 which is arranged with the resistance wire 6 is arranged in the ceramic heat insulation sleeve 91;

the ceramic heat preservation sleeve 91 and the steel wire mesh cement foam board 92 are matched with each other, so that the internal heat preservation of the heating furnace is realized, the heating persistence is increased, and the resistance wire 6 is arranged in the built-in groove 93 of the ceramic heat preservation sleeve 91, so that the internal processing can be heated, and the situation that a workpiece is touched during the placement and extraction period due to the exposure of the resistance wire 6 is avoided;

in this embodiment, the bottom of the heating chamber 102 is provided with a docking slot 103 for the built-in installation of the support structure 7, and a perforation 104 for cooperation with the support structure 7 is provided between the installation chamber 101 and the docking slot 103.

During operation, the upper end of the supporting structure 7 can be accommodated in the docking slot 103, and is kept level with the bottom in the vertical furnace body 1, and during the lifting operation, the supporting structure 7 can continuously lift upwards through the through hole 104.

The rounded corner structure is convenient for adjust the in-process from level to vertical, and the corner adjustment is more smooth and easy.

In this embodiment, the heat conduction component 4 includes heat dissipation fins 41 and heat transfer strips 42, the heat transfer strips 42 extending into the heat insulation component 9 are inserted and installed on the vertical furnace body 1 in the outer cavity 3, and the heat dissipation fins 41 are installed at the outer ends of the heat transfer strips 42 together.

During operation, the heat transfer strips 42 can recover and transfer the temperature in the vertical furnace body 1 to the heat radiating fins 41, and the heat recovery medium around the heat radiating fins 41 can perform heat recovery operation, and the heat diffused by the heat insulation assembly 9 during operation can perform matched heat transfer.

The working principle and the using flow of the utility model are as follows:

before operation:

firstly, a person lowers and installs the vertical furnace body 1, after the completion, the corresponding butt joint installation is carried out on the components on the vertical furnace body 1, the butt joint installation of the water injection pipe 31, the water drain pipe 32 and the external pipeline is ensured, the butt joint installation of the air pipe 22 and the external pipeline is carried out, and after the installation is finished, the operation is carried out;

the workpiece to be heated is firstly placed between the heat preservation components 9 in the vertical furnace body 1, the bottom is stably located on the end face of the supporting structure 7, the furnace cover 8 and the furnace mouth 5 are in butt joint and sealing, the resistance wire 6 is started to perform electric heating operation, the temperature in the heat preservation components 9 is increased at the moment, the internal workpiece is continuously heated, during the continuous heating operation of the internal workpiece, the heat conduction of the heat preservation components 9 to the outside can be conducted to the heat transfer strip 42, the heat dissipation operation is performed through the heat dissipation fins 41 connected with the heat transfer strip 42, people can perform water injection operation in the external cavity 3 at the moment, and water in the external cavity 3 absorbs the heat led out by the heat dissipation fins 41, so that heat recovery is realized:

after the operation is finished:

the personnel opens bell 8, then utilizes trachea 22 to carry out pneumatic operation to air spring 21 through outside equipment, causes air spring 21 to carry out filling and rise, and air spring 21 promotes the bracing piece 71 at top and rises at this moment, and bracing piece 71 then can promote ceramic backup pad 73 and rise, and the work piece that sits on ceramic backup pad 73 also can follow the promotion, and the personnel will hoist and mount the facility and dock with the work piece, hoist and mount it and go out.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (6)

1. An industrial heat treatment furnace, which is characterized in that: the furnace comprises a vertical furnace body (1), wherein an installation chamber (101) and a heating chamber (102) are respectively arranged in the vertical furnace body (1), a lifting structure (2) is fixedly installed in the installation chamber (101), a supporting structure (7) extending into the heating chamber (102) is fixedly installed at the top of the lifting structure (2), a heat insulation component (9) is fixedly installed on the inner wall of the heating chamber (102), a resistance wire (6) is installed in the heat insulation component (9), an outer cavity (3) is fixedly installed on the outer side of the vertical furnace body (1), a heat conduction component (4) extending into the heat insulation component (9) is installed in the outer cavity (3) in a butt joint mode, a furnace mouth (5) is fixedly installed at the top of the vertical furnace body (1), and a furnace cover (8) is installed at the end part of the furnace mouth (5) in a butt joint mode;

the supporting structure (7) comprises supporting rods (71), connecting plates (72) and ceramic supporting plates (73), two groups of supporting rods (71) extending into the heating chamber (102) are fixedly arranged at the top of the lifting structure (2), and the ceramic supporting plates (73) are fixedly arranged at the top of the supporting rods (71) through the connecting plates (72).

2. An industrial heat treatment furnace according to claim 1, wherein: the lifting structure (2) comprises an air spring (21), an air pipe (22) and a connector (23), wherein the air spring (21) is fixedly arranged at the bottom in the installation chamber (101), the connector (23) is arranged on the air spring (21) in a butt joint mode, the air pipe (22) extending out of the vertical furnace body (1) is arranged on the connector (23) in a butt joint mode, and the end portion of the air pipe (22) penetrates through the furnace mouth (5).

3. An industrial heat treatment furnace according to claim 1, wherein: the top of the outer cavity (3) is fixedly provided with a water injection pipe (31) extending to the inside, the top of the outer cavity (3) is fixedly provided with a water discharge pipe (32) extending to the inside, and the ends of the water injection pipe (31) and the water discharge pipe (32) penetrate through the furnace mouth (5).

4. An industrial heat treatment furnace according to claim 1, wherein: the heat preservation subassembly (9) are including ceramic insulation cover (91), wire net adopts cement foam board (92), built-in groove (93), the inner wall fixed mounting of heating chamber (102) has wire net to adopt cement foam board (92), the inner wall fixed mounting of wire net to adopt cement foam board (92) has ceramic insulation cover (91), be provided with in ceramic insulation cover (91) with built-in groove (93) of resistance wire (6) installation.

5. An industrial heat treatment furnace according to claim 1, wherein: the bottom of the heating chamber (102) is provided with a butt joint groove (103) for the built-in installation of the supporting structure (7), and a perforation (104) matched with the supporting structure (7) is arranged between the installation chamber (101) and the butt joint groove (103).

6. An industrial heat treatment furnace according to claim 1, wherein: the heat conduction assembly (4) comprises heat dissipation fins (41) and heat transfer strips (42), the heat transfer strips (42) extending into the heat insulation assembly (9) are inserted and installed on the vertical furnace body (1) in the outer cavity (3), and the heat dissipation fins (41) are jointly installed at the outer ends of the heat transfer strips (42).