Thermal cycle heating furnace

Abstract

The utility model belongs to the technical field of heating furnaces, and particularly relates to a thermal cycle heating furnace which comprises a furnace body, a furnace cover is arranged on the upper side of the furnace body, a crucible is arranged in the furnace body, and a cavity is formed between the crucible and the furnace body. And the fuel preheating and feeding system comprises a fuel input assembly and a heating assembly, and the fuel input assembly and the heating assembly are both arranged in the cavity.

Description

TECHNICAL FIELD

[0001] The utility model belongs to heating furnace technical field especially relates to a heat cycle heating furnace. BACKGROUND

[0002] In metallurgical industry, heating furnace is the equipment (industrial furnace) that material or workpiece (generally metal) is heated to rolling forging temperature, and heating furnace is applied in many industry fields such as petroleum, chemical industry, metallurgy, machinery, heat treatment, surface treatment, building material, electron, material, light industry, daily chemical, pharmacy and so on.

[0003] The existing heating furnace is generally directly injected with fuel gas into the furnace body for combustion in use, but the fuel directly combusts, and the combustion effect is poor due to large temperature difference, thereby affecting the use of the combustion furnace, and therefore the heat cycle heating furnace is specially designed. UTILITY MODEL CONTENTS

[0004] The utility model discloses to aim at the technical problem existing above, provide a kind of heat cycle heating furnace, reach the effect of improving combustion effect.

[0005] Therefore, the utility model provides a kind of heat cycle heating furnace, comprising:

[0006] Furnace body, furnace body upside is provided with furnace cover, is provided with crucible in furnace body, and the cavity is formed between crucible and furnace body;

[0007] Fuel preheating feeding system, fuel preheating feeding system includes fuel input component and heating assembly, and fuel input component and heating assembly are all set in cavity.

[0008] In the above technical scheme, further, fuel input component includes:

[0009] Fuel pipe, fuel pipe output end extends to outside through furnace body wall surface, and fuel pipe input pipe is penetrated to crucible and forms burner structure;

[0010] Check valve, check valve is set in fuel pipe input end one side, and is in cavity, and check valve is connected with control sensor;

[0011] Among them, fuel pipe is set in spiral shape outside furnace body.

[0012] In the above technical scheme, further, heating assembly includes:

[0013] Heating rod;

[0014] Temperature sensor;

[0015] Controller;

[0016] The heating rod and the temperature sensor are arranged in the cavity, the controller is independent of the furnace body, and the controller is synchronously connected with the temperature sensor.

[0017] In the above technical solution, further, the furnace body comprises:

[0018] The outer shell body;

[0019] The inner shell body, the inner shell body is provided with a convex edge, and the crucible is matched on the convex edge;

[0020] The inner shell body and the outer shell body are integrally formed through welding, a heat preservation cavity is formed between the inner shell body and the outer shell body, and a heat preservation material is arranged in the heat preservation cavity.

[0021] In the above technical solution, further, the technical solution further comprises:

[0022] The heating probe is formed on the outer side wall surface of the crucible.

[0023] In the above technical solution, further, the technical solution further comprises:

[0024] The preheating isolation medium is arranged in the furnace body.

[0025] In the above technical solution, further, the technical solution further comprises:

[0026] The heat insulation layer is arranged on the outer side of the furnace body.

[0027] In the above technical solution, further, the technical solution further comprises:

[0028] The reserved mounting cavity is arranged on the cover body, and a through hole is arranged on the reserved mounting cavity, and the reserved mounting cavity is used for mounting the ignition device.

[0029] The beneficial effects of the present application are as follows: the fuel is preheated, so that the fuel entering the crucible can be fully combusted, and the preheating can ensure that the temperature inside the burner gradually increases to reach a state where the fuel is easy to ignite, thereby avoiding ignition failure caused by too low temperature. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 is a perspective view of the present application;

[0031] Figure 2 is a schematic view of the internal structure of the present application;

[0032] Figure 3 is a schematic view of the crucible of the present application;

[0033] Figure 4 is a control logic block diagram of the present application;

[0034] The figure is marked as: 1, furnace body; 11, outer shell; 12, inner shell; 121, convex edge; 13, heat preservation cavity; 14, heat preservation material; 2, furnace cover; 3, crucible; 4, cavity; 511, fuel pipe; 512, one-way valve; 513, control sensor; 521, heating rod; 522, temperature sensor; 523, controller; 6, heating probe; 7, heat insulation layer; 8, reserved mounting cavity. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art belong to the scope of protection of the present application.

[0036] Embodiment 1

[0037] The embodiment provides a heat cycle heating furnace, which comprises:

[0038] The furnace body 1 is provided with the furnace cover 2 on the upper side, and the crucible 3 is arranged in the furnace body 1, and the cavity 4 is formed between the crucible 3 and the furnace body 1.

[0039] The fuel preheating and feeding system comprises a fuel input assembly and a heating assembly, and the fuel input assembly and the heating assembly are arranged in the cavity 4.

[0040] The embodiment can be seen that a heat cycle heating furnace comprises a furnace body 1 and a fuel preheating and feeding system;

[0041] The furnace cover 2 is arranged on the furnace body 1, and the crucible 3 is arranged in the furnace body 1, and the crucible 3 is used for material processing, and further, the cavity 4 is formed between the crucible 3 and the furnace body 1.

[0042] The fuel preheating and feeding system comprises a fuel input assembly and a heating assembly, and the fuel input assembly and the heating assembly are arranged in the cavity 4.

[0043] In use, the heating assembly heats the cavity 4, and at the same time, the cavity 4 heats the fuel input assembly after being heated, and then the fuel passing through the fuel input assembly is preheated, and at the same time, the crucible 3 can also transfer heat to the cavity 4 to heat the fuel input assembly during the working process.

[0044] The fuel is preheated so that the fuel entering the crucible 3 can be fully combusted, and the preheating can ensure that the temperature inside the combustor gradually increases to reach a state where the fuel is easy to ignite, avoiding ignition failure due to too low temperature.

[0045] Embodiment 2

[0046] The embodiment provides a thermal cycle heating furnace, in addition to comprising the technical scheme of the above embodiment, further has the following technical features.

[0047] The fuel input assembly comprises:

[0048] The fuel pipe 511 is provided with an output end extending to the outside through the wall of the furnace body 1, and an input end extending into the crucible and forming a burner structure.

[0049] The one-way valve 512 is arranged on the side of the input end of the fuel pipe 511 and is located in the cavity 4, and the one-way valve 512 is connected with the control sensor 513.

[0050] The fuel pipe 511 is arranged in a spiral shape on the outside of the furnace body 1.

[0051] The fuel input assembly comprises the fuel pipe 511 and the one-way valve 512.

[0052] The fuel pipe 511 is arranged in a spiral shape in the cavity 4 and is located on the outside of the furnace body 1, further, the output end of the fuel pipe 511 extends to the outside through the furnace body 1 and is connected with the external fuel supply device, the input end of the fuel pipe 511 is connected into the crucible 3, and the one-way valve 512 is connected to the side of the input end of the fuel pipe 511, the one-way valve 512 is connected with the control sensor 513, the control sensor 513 is used for controlling the opening and closing of the one-way valve 512, further, the wall of the crucible 3 is formed with an input interface for connecting the fuel pipe 511, further, the input interface is sealed when being connected with the fuel pipe 511.

[0053] The fuel pipe 511 is arranged in a spiral shape in the cavity 4, and the fuel pipe 511 is arranged in a spiral shape in the cavity 4, and the fuel pipe 511 is arranged in a spiral shape in the cavity 4.

[0054] Embodiment 3:

[0055] The embodiment provides a thermal cycle heating furnace, in addition to comprising the technical scheme of the above embodiment, further has the following technical features.

[0056] The heating assembly comprises:

[0057] The heating rod 521;

[0058] The temperature sensor 522;

[0059] The controller 523;

[0060] The heating rod 521 and the temperature sensor 522 are arranged in the cavity 4, and the controller 523 is independent of the furnace body 1 and is connected with the control sensor 513.

[0061] It can be seen from the embodiment that the heating assembly comprises a heating rod 521, a temperature sensor 522 and a controller 523;

[0062] The heating rod 521 and the temperature sensor 522 are arranged in the cavity 4 and controlled by the controller 523, and the controller 523 can be connected to the sensor 513 synchronously to control the opening and closing of the one-way valve 512.

[0063] In use, the cavity 4 can be heated by the heating rod 521 to heat the fuel pipe 511, and the temperature sensor 522 can monitor the temperature in the cavity 4 in real time to facilitate the start and stop of the heating rod 521, thereby facilitating energy saving.

[0064] Embodiment 4:

[0065] The embodiment provides a thermal cycle heating furnace, which comprises the technical solutions of the above embodiments and has the following technical features.

[0066] The furnace body 1 comprises:

[0067] an outer shell 11;

[0068] an inner shell 12, the inner shell 12 is provided with a convex edge 121, and the crucible 3 is fitted on the convex edge 121;

[0069] The inner shell 12 and the outer shell 11 are integrally formed by welding, and a heat preservation cavity 13 is formed between the inner shell 12 and the outer shell 11, and the heat preservation cavity 13 is provided with a heat preservation material 14.

[0070] As can be seen from the embodiment, the furnace body 1 has a double-layer structure comprising the outer shell 11 and the inner shell 12, the inner shell 12 is formed with the convex edge 121 for mounting the crucible 3, and the heat preservation cavity 13 is formed between the inner shell 12 and the outer shell 11, and the heat preservation cavity 13 is filled with the heat preservation material 14;

[0071] By arranging the furnace body 1 in a double-layer structure and forming the heat preservation cavity 13 between the inner shell 12 and the outer shell 11, the residual heat of the heating furnace after processing can be preserved in the cavity 4, thereby continuously preheating the gas pipe and utilizing the heat to reduce the work of the heating rod 521, thereby achieving energy saving and environmental protection. Further, the heat preservation cavity 13 filled with the heat preservation filler can further improve the heat preservation performance.

[0072] Embodiment 5:

[0073] The embodiment provides a thermal cycle heating furnace, which comprises the technical solutions of the above embodiments and has the following technical features.

[0074] The heating probe 6 is formed on the outer side wall surface of the crucible 3.

[0075] The embodiment can be seen that the heating probe 6 is formed on the outer side wall of the crucible 3, and the contact surface between the crucible 3 and the cavity 4 is expanded by arranging the heating probe 6, so that the heating effect is good.

[0076] Embodiment 6:

[0077] The embodiment provides a thermal cycle heating furnace, in addition to comprising the technical scheme of the above embodiment, further has the following technical features.

[0078] The preheating isolation medium is arranged in the furnace body 1.

[0079] The embodiment can be seen that the preheating isolation medium is filled in the furnace body 1, the preheating isolation medium is water, the preheating isolation medium can coat the gas pipe, and the temperature in the cavity 4 can be controlled not to be too high.

[0080] Embodiment 7:

[0081] The embodiment provides a thermal cycle heating furnace, in addition to comprising the technical scheme of the above embodiment, further has the following technical features.

[0082] The heat insulation layer 7 is arranged outside the furnace body 1.

[0083] The embodiment can be seen that the heat insulation layer 7 is installed outside the furnace body 1, and the user can be protected by arranging the heat insulation layer 7.

[0084] Embodiment 8:

[0085] The embodiment provides a thermal cycle heating furnace, in addition to comprising the technical scheme of the above embodiment, further has the following technical features.

[0086] The reserved mounting cavity 8 is arranged on the cover body, and the reserved mounting cavity 8 is provided with a through hole, and the reserved mounting cavity 8 is used for mounting the ignition device.

[0087] The embodiment can be seen that the reserved mounting cavity 8 is arranged on the furnace cover 2, so that the ignition device is conveniently installed subsequently.

[0088] The embodiments of the application are described above in combination with the drawings, and the embodiments in the application and the features in the embodiments can be combined with each other without conflict, the application is not limited to the above specific embodiments, the above specific embodiments are only illustrative, not restrictive, and those skilled in the art can make many forms under the inspiration of the application without departing from the purpose of the application and the scope protected by the claims, all of which belong to the protection of the application.

Claims

1. A thermal cycle heating furnace characterized by, Include: The furnace body (1), the furnace body (1) is provided with a furnace cover (2) on the upper side, and a crucible (3) is arranged in the furnace body (1), and a cavity (4) is formed between the crucible (3) and the furnace body (1); The fuel preheating feeding system comprises a fuel input assembly and a heating assembly, and the fuel input assembly and the heating assembly are arranged in the cavity (4).

2. A thermal cycle heating furnace according to claim 1, wherein The fuel input assembly comprises: A fuel pipe (511), the output end of the fuel pipe (511) extends to the outside through the wall surface of the furnace body (1), and the input pipe of the fuel pipe (511) penetrates into the crucible and forms a burner structure; A one-way valve (512) is arranged on one side of the input end of the fuel pipe (511) and in the cavity (4), and the one-way valve (512) is connected with a control sensor (513); Wherein, the fuel pipe (511) is arranged in a spiral shape outside the furnace body (1).

3. A thermal cycler heating block as claimed in claim 2, wherein, The heating assembly comprises: A heating rod (521); A temperature sensor (522); A controller (523); Wherein, the heating rod (521) and the temperature sensor (522) are arranged in the cavity (4), and the controller (523) is independent of the furnace body (1) and is connected with the control sensor (513) synchronously.

4. A thermal cycler heating block as claimed in claim 3, wherein, The furnace body (1) comprises: An outer shell (11); An inner shell (12), the inner shell (12) is provided with a convex edge (121), and the crucible (3) is fitted on the convex edge (121); Wherein, the inner shell (12) and the outer shell (11) are integrally formed by welding, and a heat preservation cavity (13) is formed between the inner shell (12) and the outer shell (11), and a heat preservation material (14) is arranged in the heat preservation cavity (13).

5. A thermal cycler heating block as claimed in claim 4, further characterized by Include: A heating probe (6) is formed on the outer side wall of the crucible (3).

6. A thermal cycler heating block as claimed in claim 5, wherein, Further comprising: A preheating isolation medium is arranged in the furnace body (1).

7. A thermal cycler heating block as claimed in claim 6, further characterized by Include: A heat insulation layer (7) is arranged on the outside of the furnace body (1).

8. A thermal cycler heating block as claimed in claim 7, further characterized by Include: A reserved mounting cavity (8) is arranged on the cover body, and a through hole is arranged on the reserved mounting cavity (8), and the reserved mounting cavity (8) is used for mounting an ignition device.

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