Electrothermal furnace

Abstract

The utility model provides an electric heating furnace which comprises a heating pipe provided with a through hole penetrating through the heating pipe along the height direction; the shell is arranged outside the heating pipe in a sleeving manner; the heating assembly comprises a heating body arranged in the heating pipe and a connecting body connected with the shell, one end of the connecting body penetrates through the heating pipe to be connected with the heating body, and the other end of the connecting body is connected with an energy supply structure. And when the energy supply structure works, the heating body performs non-contact heating on the to-be-heated structure inserted into the through hole. According to the electric heating furnace provided by the utility model, the heating body, the heating pipe and the heating assembly are matched with one another, so that the heating efficiency of an object can be effectively improved. Specifically, the shell is arranged on the heating pipe in a sleeving mode, and the shell is used for reducing heat loss. An object extends into the heating pipe, and then the heating body generates heat in the heating pipe and efficiently heats the object.

Description

TECHNICAL FIELD

[0001] The utility model belongs to heating equipment technical field, specifically, it relates to a electric heating furnace. BACKGROUND

[0002] The heating furnace is a kind of equipment for heating material or workpiece.The heating furnace currently adopted includes furnace body, heat preservation brick is arranged in furnace body, heating wire is respectively arranged at left and right sides of furnace body, and heating cavity for heating object is formed between two groups of heating wires.When heating object, object is inserted from one end of furnace body, and after passing through heating cavity, object is pulled out from one side of object.The existing heating furnace has the problems of energy consumption and slow heating efficiency. CONTENT OF UTILITY MODEL

[0003] The utility model discloses an electric heating furnace, which aims to solve the technical problem of slow heating efficiency in the prior art.

[0004] To achieve the above object, the utility model adopts the technical scheme of providing an electric heating furnace, which comprises:

[0005] The heating pipe is provided with a through hole penetrating the heating pipe along the height direction;

[0006] The shell is sleeved outside the heating pipe;

[0007] The heating assembly comprises a heating body arranged in the heating pipe and a connecting body connected with the shell, one end of the connecting body penetrates the heating pipe and is connected with the heating body, and the other end is connected with the energy supply structure.

[0008] When the energy supply structure is operated, the heating body performs non-contact heating on the to-be-heated structure inserted into the through hole.

[0009] Preferably, the heating body is an induction heating coil, and the axis of the induction heating coil coincides with the axis of the through hole.

[0010] Preferably, a plurality of partitions are arranged in the heating pipe along the height direction, and the partitions are provided with through holes coinciding with the through hole.

[0011] Preferably, the heating assembly is provided with a plurality of groups, and the number of the heating assemblies is one more than the number of the partitions.

[0012] Preferably, the heating pipe is provided with a second through hole communicating with the through hole, and the shell is provided with a third through hole corresponding to the second through hole.

[0013] Preferably, the outer shell is provided with a connecting position for connecting with an external structure.

[0014] Preferably, a gap space exists between the inner wall surface of the shell and the outer wall surface of the heating pipe.

[0015] Preferably, the venting assembly further comprises a gas pump structure, a movable structure arranged on the shell, and a nozzle connected to the movable structure; when the gas pump structure is in operation, the gap space between the shell and the heating pipe can be filled with inert gas or the gas in the gap space can be extracted through the nozzle. When heat dissipation is needed, the nozzle is separated from the shell by the movable structure.

[0016] The electric heating furnace has the advantages that, compared with the prior art, the electric heating furnace can effectively improve the heating efficiency of the object by cooperation of the heating body, the heating pipe and the heating assembly. Specifically, the shell is sleeved on the heating pipe, and the shell is arranged to reduce heat loss. The object is inserted into the heating pipe, and then the heating body generates heat in the heating pipe and efficiently heats the object. The heating body does not contact the object, thereby avoiding adverse effects of the heating body on the shape of the object or the movement process of the object, and effectively ensuring that the object can normally move during the heating process. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0018] Figure 1 Structure diagram of the electric heating furnace provided by the embodiment of the present application Figure 1 ;

[0019] Figure 2 Structure diagram of the electric heating furnace provided by the embodiment of the present application Figure 2 ;

[0020] Figure 3 Structure diagram of the electric heating furnace provided by the embodiment of the present application Figure 3 ;

[0021] Figure 4 Structure diagram of the electric heating furnace provided by the embodiment of the present application Figure 4 ;

[0022] Figure 5 For Figure 4 Structure diagram along the A-A line;

[0023] Figure 6Another cross section structure schematic view of the electric heating furnace is provided in the embodiment of the utility model.

[0024] In the drawing: 1, shell; 11, third through hole; 2, heating assembly; 21, heating body; 22, connecting body; 3, heating pipe; 31, through hole; 32, partition; 33, second through hole; 4, ventilation assembly; 42, movable structure; 43, spray head. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the present application.

[0026] The terms "first", "second", and the like in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described herein, and the objects distinguished by "first", "second", etc. are usually a class, and are not limited to the number of objects, for example, the first object can be one or more. In addition, "and / or" in the specification and claims indicates at least one of the connected objects, and the character " / ", generally indicates that the front and rear associated objects are in an "or" relationship.

[0027] Referring to Figures 1 to 6 A kind of electric heating furnace provided by the utility model will be described now.The electric heating furnace includes: heating pipe 3, shell 1 and heating assembly 2, heating pipe 3 is equipped with the through hole 31 of being penetrated along the height direction heating pipe 3;Shell 1 is sleeved in heating pipe 3 outside;Heating assembly 2 includes heating body 21 being arranged in heating pipe 3, connecting body 22 being connected with shell 1, one end of connecting body 22 penetrates heating pipe 3 and is connected with heating body 21, and the other end is connected with energy supply structure.Energy supply structure works, heating body 21 carries out non-contact heating to the structure (such as glass rod etc.) to be heated being inserted into through hole 31.

[0028] As a specific embodiment of the utility model embodiment, referring to Figures 1 to 6The heating body 21 is an induction heating coil. The connecting body 22 comprises a first connecting part and a second connecting part which is arranged at a distance from the first connecting part, one end of the first connecting part is connected with one end of the induction heating coil, and the other end is electrically connected with the energy supply structure. One end of the second connecting part is connected with the other end of the induction heating coil, and the other end is electrically connected with the energy supply structure. The axis of the induction heating coil coincides with the axis of the through hole 31. When the structure to be heated passes through the through hole 31, it also passes through the induction heating coil. The energy supply structure supplies power, and the electric energy is transmitted to the induction heating coil through the connecting body 22, and the induction heating coil generates heat to heat the structure to be heated.

[0029] In some embodiments, a plurality of partitions 32 are arranged at intervals in the height direction inside the heating pipe 3. The partitions 32 are used to divide the internal space of the heating pipe 3 into a plurality of regions, and the number of regions is one more than the number of partitions 32. The partitions 32 are provided with through holes coinciding with the through hole 31. The heating assembly 2 is provided in multiple groups. The number of groups of the heating assembly 2 corresponds to the number of regions into which the internal space of the heating pipe 3 is divided.

[0030] In any embodiment, two partitions 32 are arranged at equal intervals in the height direction inside the heating pipe 3. The partitions 32 are used to divide the internal space of the heating pipe 3 into three regions, and each region is provided with a group of heating assemblies 2. The heating assembly 2 is provided in multiple groups to effectively improve the heating efficiency. The material of the heating pipe 3 is graphite material. The material of the partition 32 is graphite material. The inner wall surface of the shell 1 is provided with a heat insulation coating structure.

[0031] As a specific embodiment of the present application, refer to Figures 1 to 5 The heating pipe 3 is provided with a first mounting hole for mounting the connecting body 22. The heating pipe 3 is provided with a second through hole 33.

[0032] The shell 1 is a pipe structure. The shell 1 is sleeved outside the heating pipe 3, and the shell 1 and the heating pipe 3 are connected and fixed by a sealing structure. The shell 1 is provided with a second mounting hole corresponding to the first mounting hole. The shell 1 is provided with a third through hole 11 corresponding to the second through hole 33. There is a gap between the inner wall surface of the shell 1 and the outer wall surface of the heating pipe 3.

[0033] As a specific embodiment of the present application, refer to Figures 1 to 6The electric heating furnace further comprises a ventilation assembly 4, the ventilation assembly 4 comprising a gas pump structure, a movable structure 42 arranged on the shell 1, and a spray head 43 connected with the movable structure 42. The spray head 43 comprises a first part for being inserted into the second through hole 33, a second part for being located in the gap space when the first part is inserted into the second through hole 33, a third part for being inserted into the third through hole 11 when the first part is inserted into the second through hole 33, and a fourth part connected with the third part and connected with the movable structure 42. The second part is provided with a spray hole in communication with the gas pump structure. When the gas pump structure is in operation, the inert gas can be sprayed into the gap space or the gas in the gap space can be extracted through the spray hole. When heat dissipation is required, the spray head 43 can be separated from the shell 1 by the movable structure 42. The arrangement of the ventilation assembly 4 can further improve the heating efficiency of the heating furnace.

[0034] In any realizable embodiment, the outer shell 1 is provided with a connecting position at the top for being fixedly connected with an external structure.

[0035] Compared with the prior art, the electric heating furnace can effectively improve the heating efficiency of the object by cooperation of the heating body 21, the heating pipe 3 and the heating assembly 2. Specifically, the shell 1 is sleeved on the heating pipe 3, and the shell 1 is arranged to reduce heat loss. The object is inserted into the heating pipe 3, and then the heating body 21 generates heat in the heating pipe 3 and efficiently heats the object. The heating body 21 does not contact the object, thereby avoiding adverse effects of the heating body 21 on the shape of the object or the movement process of the object, and effectively ensuring that the object can normally move during the heating process.

[0036] Although the preferred embodiments of the utility model have been described, those skilled in the art can make further changes and modifications to these embodiments once they know the basic creative concept. Therefore, the appended claims are intended to cover the preferred embodiments and all changes and modifications falling within the scope of the utility model.

[0037] Finally, it should be noted that, in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily implying any actual 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 can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without limitation, an element preceded by "comprises... a" does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0038] The above has carried out the detailed introduction to the electric heating furnace provided by the utility model, the principle and implementation mode of the utility model have been described in this paper by applying specific examples, the above embodiment is only used for helping understanding the method and core idea of the utility model; simultaneously, for the general technical personnel in the art, according to the idea of the utility model, there will be changes in specific implementation mode and application range, and the above is not understood as the limitation of the utility model.

Claims

1. An electrically heated furnace, characterized in that The utility model relates to a heating device, including: a heating pipe (3) provided with a through hole (31) penetrating through the heating pipe (3) in the height direction; a shell (1) sleeved outside the heating pipe (3); a heating assembly (2) including a heating body (21) arranged in the heating pipe (3), a connecting body (22) connected with the shell (1), one end of the connecting body (22) penetrating the heating pipe (3) and connected with the heating body (21), and the other end connected with a power supply structure; when the power supply structure is in operation, the heating body (21) performs non-contact heating on a structure to be heated inserted into the through hole (31).

2. An electric heater as claimed in claim 1, wherein The heating body (21) is an induction heating coil, and the axis of the induction heating coil coincides with the axis of the through hole (31).

3. An electric heater as claimed in claim 2, wherein A plurality of partitions (32) are arranged in the heating pipe (3) in the height direction; the partition (32) is provided with a through hole coinciding with the through hole (31).

4. An electric heater as claimed in claim 3, wherein The heating assembly (2) is provided with a plurality of groups, and the number of the heating assembly (2) is one more than the number of the partitions (32).

5. An electric heater as claimed in claim 4, wherein The heating pipe (3) is provided with a second through hole (33) communicating with the through hole (31); the shell (1) is provided with a third through hole (11) corresponding to the second through hole (33).

6. An electric heater as claimed in claim 5 wherein, The shell (1) is provided with a connecting position for connecting and fixing an external structure.

7. An electric heater as claimed in any one of claims 1 to 6 wherein, There is a gap space between the inner wall surface of the shell (1) and the outer wall surface of the heating pipe (3).

8. An electric stove as claimed in claim 7, characterized in that Further comprising a ventilation assembly (4), the ventilation assembly (4) includes a gas pump structure, a movable structure (42) arranged on the shell (1), and a spray head (43) connected with the movable structure (42); when the gas pump structure is in operation, inert gas can be sprayed into the gap space between the shell (1) and the heating pipe (3) through the spray hole or the gas in the gap space can be extracted; when heat dissipation is needed, the spray head (43) is separated from the shell (1) by the movable structure (42).

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