Barrel gas infrared heating device

Abstract

The utility model discloses a barrel fuel gas infrared heating device which comprises a barrel, a plurality of fuel gas pipelines are installed in the barrel, the fuel gas pipelines are arranged in the circumferential direction of the barrel in a surrounding mode, and the fuel gas pipelines are arranged in the depth direction of the barrel at intervals. The gas stove comprises a plurality of gas pipelines and a plurality of infrared radiators, the plurality of infrared radiators are respectively communicated with the plurality of gas pipelines and enclose a plurality of ring structures, and each ring structure is provided with an igniter, so that the plurality of infrared radiators which enclose the ring structures radiate infrared rays when the igniters ignite. According to the utility model, independent gas supply is realized through a plurality of gas pipelines, and partition heating control of the infrared radiator is realized, so that partition heating of a workpiece is realized, and thermal deformation caused by integral synchronous heating of the workpiece is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to infrared heating technical field, especially a kind of cylinder gas infrared heating device. BACKGROUND

[0002] The basic principle of gas infrared technology is to convert the heat generated by gas combustion into infrared rays, and then achieve heating function through the radiation of infrared rays. When gas infrared technology is applied to cylinder furnace, the infrared radiator in the cylinder furnace radiates infrared rays to the workpiece, and the whole workpiece is heated. However, different partitions of the workpiece have different requirements for heating temperature, and the cylinder furnace cannot heat the workpiece in different partitions, which causes the workpiece to be easily deformed by heat. SUMMARY

[0003] The main purpose of the utility model is to provide a kind of cylinder gas infrared heating device, to realize the partition heating of workpiece, to avoid the thermal deformation caused by the whole heating of workpiece.

[0004] To achieve the above purpose, the cylinder gas infrared heating device provided by the utility model comprises:

[0005] a cylinder, a plurality of gas pipes are installed in the cylinder, the gas pipes are arranged circumferentially around the cylinder, and the plurality of gas pipes are arranged at intervals along the depth direction of the cylinder; and

[0006] a plurality of infrared radiators, the plurality of infrared radiators are respectively connected to the plurality of gas pipes and enclosed to form a plurality of ring structures, each ring structure is provided with an igniter, so that the plurality of infrared radiators enclosed to form the ring structure radiate infrared rays when the igniter is ignited.

[0007] Optionally, the gas pipe comprises two arc-shaped pipes, the two arc-shaped pipes are oppositely arranged and enclosed to the cylinder, the arc-shaped pipe is connected to a plurality of infrared radiators, and the plurality of infrared radiators are distributed in the two arc-shaped pipes to form the ring structure.

[0008] Optionally, the igniter is arranged at the infrared radiator of the arc-shaped pipe, and the infrared radiators of the two arc-shaped pipes radiate infrared rays when the igniter is ignited.

[0009] Optionally, the arc-shaped pipe has an air inlet and a plurality of air outlets arranged at intervals, the plurality of air outlets of the arc-shaped pipe are respectively connected to the infrared radiators, the air inlet of the arc-shaped pipe is connected to an air inlet pipe, and the air inlet pipe is protruded from the cylinder.

[0010] Optionally, the gas inlet pipe is communicated with a combustible gas pipe and a combustion-supporting gas pipe, and the combustible gas pipe and the combustion-supporting gas pipe are arranged at intervals so that combustible gas and combustion-supporting gas flow through the gas inlet pipe to the gas pipe respectively.

[0011] Optionally, the gas inlet pipe is communicated with a combustible gas pipe and a combustion-supporting gas pipe, and the combustible gas pipe and the combustion-supporting gas pipe are arranged at intervals so that combustible gas and combustion-supporting gas flow through the gas inlet pipe to the gas pipe respectively.

[0012] Optionally, the gas inlet pipe is provided with a gas regulating valve for regulating the gas inlet of the gas pipe.

[0013] Optionally, the outer wall of the cylinder is provided with a heat-insulating shell, and the heat-insulating shell is sleeved on the cylinder.

[0014] Optionally, the infrared radiator is detachably mounted on the gas pipe.

[0015] Optionally, a heat-insulating plate is arranged between the infrared radiators of two adjacent ring structures, and the heat-insulating plate is used for sealing the gap between the infrared radiators.

[0016] In the technical scheme of the utility model, a plurality of gas pipes are arranged at intervals along the depth direction of the cylinder, a plurality of infrared radiators are respectively communicated with the plurality of gas pipes and enclosed to form a plurality of ring structures, and each ring structure is provided with an igniter, so that the plurality of infrared radiators enclosed to form a ring structure radiate infrared rays when the igniter is ignited. In this way, the gas pipe independently supplies gas to the infrared radiators of the ring structure, and the heating control of the infrared radiators is realized by controlling the gas supply of the gas pipe, thereby realizing the partition heating of the workpiece and avoiding the thermal deformation caused by the synchronous heating of the whole workpiece. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed in the embodiment or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to the structures shown in the drawings without creative labor for those skilled in the art.

[0018] Figure 1 It is an embodiment of the cylinder gas infrared heating device of the utility model structure schematic diagram;

[0019] Figure 2 It is Figure 1 It is a middle infrared radiator installation schematic diagram on the upper layer of the cylinder;

[0020] Figure 3 It isFigure 2 Structure diagram of middle cylinder body;

[0021] Figure 4 For Figure 1 Structure diagram of middle fixed frame;

[0022] BRIEF DESCRIPTION OF DRAWINGS

[0023] Name Reference Name Reference Barrel 100 Gas regulating valve 312 Heat-insulating outer shell 101 Combustible gas pipe 400 Heat-insulating plate 102 Combustion-supporting gas pipe 500 Gas pipe 300 Infrared radiator 600 Arc-shaped pipe 310 Igniter 700 Air inlet pipe 311 Fixing frame 800

[0024] The realization, functional features and advantages of the utility model will be further described in combination with embodiments and with reference to the drawings. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] It should be noted that all directionality indications (such as up, down, left, right, front, back, etc.) in the embodiments of the utility model are only used to explain the relative position relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directionality indications also change accordingly.

[0027] Referring to Figures 1 to 4 As shown in the drawings, in an embodiment of the utility model, a cylinder body gas infrared heating device comprises: a cylinder body 100, a plurality of gas pipelines 300 are installed in the cylinder body 100, the gas pipelines 300 are arranged along the circumference of the cylinder body 100, and the plurality of gas pipelines 300 are arranged at intervals along the depth direction of the cylinder body 100; and a plurality of infrared radiators 600, the plurality of infrared radiators 600 are respectively connected to the plurality of gas pipelines 300 and enclosed to form a plurality of ring structures, and each ring structure is provided with an igniter 700, so that the plurality of infrared radiators 600 enclosed to form the ring structure radiate infrared rays when the igniter 700 ignites.

[0028] The technical scheme of the utility model discloses, multiple gas pipelines 300 are arranged at intervals along the depth direction of the cylinder body 100, multiple infrared radiators 600 are communicated with the multiple gas pipelines 300 respectively and are enclosed into multiple ring structure, each ring structure is equipped with igniter 700, so that the multiple infrared radiators 600 enclosed into the ring structure radiate infrared ray when the igniter 700 ignites, in this way, the gas pipeline 300 supplies gas to the infrared radiator 600 of the ring structure independently, and the heating control of the infrared radiator 600 in the partition is realized by controlling the gas supply of the gas pipeline 300, thereby realizing the partition heating of the workpiece, and the thermal deformation caused by the synchronous heating of the whole workpiece is avoided.

[0029] It should be noted that the utility model discloses that each ring structure is correspondingly provided with igniter 700, of course, one igniter 700 can be arranged in each ring structure, or two igniters 700 can be arranged, the corresponding igniter 700 can be arranged according to the need of the utility model, the multiple infrared radiators 600 enclosed into the ring structure are ignited by the corresponding igniter 700, thereby making the multiple infrared radiators 600 at the same depth of the cylinder body 100 radiate infrared ray synchronously, specifically, when the upper part of the workpiece needs to be heated, the gas supply of the gas pipeline 300 in the upper part of the cylinder body 100 can be controlled, and the multiple infrared radiators 600 enclosed into the ring structure in the upper part of the cylinder body 100 radiate infrared ray in this way;When the middle part of the workpiece needs to be heated, the gas supply of the gas pipeline 300 in the middle part of the cylinder body 100 can be controlled, and the multiple infrared radiators 600 enclosed into the ring structure in the middle part of the cylinder body 100 radiate infrared ray;When the lower part of the workpiece needs to be heated, the gas supply of the gas pipeline 300 in the lower part of the cylinder body 100 can be controlled, and the multiple infrared radiators 600 enclosed into the ring structure in the lower part of the cylinder body 100 radiate infrared ray.In addition, the igniter 700 is arranged close to an infrared radiator 600, and the combustion surface of the infrared radiator 600 is a metal mesh surface, in this way, the infrared radiator 600 close to the igniter 700 is ignited by the igniter 700, and the combusting infrared radiator 600 ignites the adjacent infrared radiator 600, thereby realizing the synchronous combustion of the multiple infrared radiators 600, and the multiple synchronous combustion infrared radiators 600 radiate infrared ray, thereby realizing the heating of the workpiece.

[0030] It should be noted that the utility model discloses that each ring structure is correspondingly provided with igniter 700, of course, one igniter 700 can be arranged in each ring structure, or two igniters 700 can be arranged, the corresponding igniter 700 can be arranged according to the need of the utility model, the multiple infrared radiators 600 enclosed into the ring structure are ignited by the corresponding igniter 700, thereby making the multiple infrared radiators 600 at the same depth of the cylinder body 100 radiate infrared ray synchronously, specifically, when the upper part of the workpiece needs to be heated, the gas supply of the gas pipeline 300 in the upper part of the cylinder body 100 can be controlled, and the multiple infrared radiators 600 enclosed into the ring structure in the upper part of the cylinder body 100 radiate infrared ray in this way;When the middle part of the workpiece needs to be heated, the gas supply of the gas pipeline 300 in the middle part of the cylinder body 100 can be controlled, and the multiple infrared radiators 600 enclosed into the ring structure in the middle part of the cylinder body 100 radiate infrared ray;When the lower part of the workpiece needs to be heated, the gas supply of the gas pipeline 300 in the lower part of the cylinder body 100 can be controlled, and the multiple infrared radiators 600 enclosed into the ring structure in the lower part of the cylinder body 100 radiate infrared ray.In addition, the igniter 700 is arranged close to an infrared radiator 600, and the combustion surface of the infrared radiator 600 is a metal mesh surface, in this way, the infrared radiator 600 close to the igniter 700 is ignited by the igniter 700, and the combusting infrared radiator 600 ignites the adjacent infrared radiator 600, thereby realizing the synchronous combustion of the multiple infrared radiators 600, and the multiple synchronous combustion infrared radiators 600 radiate infrared ray, thereby realizing the heating of the workpiece.

[0031] Referring to Figures 1 to 4As shown in the utility model one embodiment, the gas pipeline 300 includes two arc-shaped pipelines 310, the two arc-shaped pipelines 310 are oppositely arranged and enclosed in the cylinder body 100, the arc-shaped pipeline 310 is connected with a plurality of infrared radiators 600, the plurality of infrared radiators 600 are distributed in the two arc-shaped pipelines 310 and enclosed into a ring structure.It needs to be explained that the plurality of infrared radiators 600 are distributed in the two arc-shaped pipelines 310 and enclosed into a ring structure, in this way, the two arc-shaped pipelines 310 independently supply gas to the plurality of infrared radiators 600 enclosed into a ring structure, when heating one side of the workpiece, the arc-shaped pipeline 310 on the corresponding side can be controlled to supply gas and the other arc-shaped pipeline 310 not to supply gas, so that the plurality of infrared radiators 600 on the corresponding side of the workpiece radiate infrared rays, avoiding thermal deformation of the other side of the workpiece due to high temperature, and ensuring the processing quality of the workpiece.

[0032] Referring to Figures 1 to 4 As shown in the utility model one embodiment, the arc-shaped pipeline 310 is provided with an igniter 700 at the infrared radiator 600, and the infrared radiators 600 of the two arc-shaped pipelines 310 radiate infrared rays when the igniter 700 is ignited.It needs to be explained that the igniter 700 can be symmetrically arranged on the cylinder body 100, and the igniter 700 of the infrared radiator 600 distributed in the two arc-shaped pipelines 310 is synchronously ignited in the embodiment, so as to improve the ignition efficiency of the infrared radiator 600 and the heating efficiency of the workpiece.

[0033] Referring to Figures 1 to 4 As shown in the utility model one embodiment, the arc-shaped pipeline 310 has a gas inlet and a plurality of gas outlets arranged at intervals, the plurality of gas outlets of the arc-shaped pipeline 310 are arranged at intervals, the plurality of gas outlets of the arc-shaped pipeline 310 are respectively communicated with the infrared radiators 600, and the gas inlet of the arc-shaped pipeline 310 is communicated with a gas inlet pipeline 311, the gas inlet pipeline 311 is protruded on the cylinder body 100 to introduce external gas.It needs to be explained that the gas inlet pipeline 311 of the arc-shaped pipeline 310 is protruded on the cylinder body 100 in the embodiment, in this way, it is convenient to introduce external gas into the arc-shaped pipeline 310, when the infrared radiators 600 are controlled to heat in different zones, the corresponding gas inlet pipeline 311 of the corresponding arc-shaped pipeline 310 introduces gas correspondingly, so as to ignite the corresponding infrared radiator 600 to radiate infrared rays;of course, the other arc-shaped pipeline 310 can be controlled not to introduce gas, or a gas regulating valve 312 can be arranged on the gas inlet pipeline 311, the introduction of gas is avoided by closing the gas regulating valve 312, and the embodiment is not limited thereto, and the above are all within the protection scope of the utility model.

[0034] Referring to Figures 1 to 4As shown in the utility model one embodiment, the gas pipeline 400 and combustion-supporting gas pipeline 500 are communicated with the air inlet pipeline 311, and the gas pipeline 400 and combustion-supporting gas pipeline 500 are arranged at intervals in the air inlet pipeline 311, so that the combustible gas and combustion-supporting gas flow into the gas pipeline 300 through the air inlet pipeline 311.It should be noted that the combustible gas in the embodiment of the utility model can be natural gas or coal gas, and the combustion-supporting gas can be air or oxygen, as long as the combustible gas and combustion-supporting gas can be mixed to achieve combustion, and the embodiment of the utility model is not limited thereto, and the above is within the protection scope of the utility model.The embodiment introduces the combustible gas and combustion-supporting gas to ensure sufficient combustion in the infrared radiator 600, so that the infrared radiator 600 radiates infrared rays, thereby achieving effective heating of the workpiece and improving the heating effect of the workpiece.

[0035] Referring to Figures 1 to 4 As shown in the utility model one embodiment, the cylinder gas infrared heating device further comprises two fixing frames 800, the cylinder 100 is arranged between the two fixing frames 800, and the combustible gas pipeline 400 and combustion-supporting gas pipeline 500 connected to the two arc-shaped pipelines 310 are respectively installed on the two fixing frames 800.It should be noted that the two fixing frames 800 in the embodiment of the utility model are clamped on the cylinder 100, and the combustible gas pipeline 400 and combustion-supporting gas pipeline 500 are respectively installed on the fixing frame 800, so that the gas source flows to the gas pipeline 300 through the combustible gas pipeline 400 and combustion-supporting gas pipeline 500, thereby ensuring the gas supply to the gas pipeline 300, and facilitating the provision of combustion energy to the infrared radiator 600.

[0036] Referring to Figures 1 to 4 As shown in the utility model one embodiment, the air inlet pipeline 311 is provided with a gas regulating valve 312, and the gas regulating valve 312 is used for regulating the air inlet of the gas pipeline 300.It should be noted that the gas regulating valve 312 in the embodiment can be a manual control valve, which adjusts the air inlet manually, or an intelligent regulating valve, which adjusts the air inlet through the intelligent control of a controller, as long as the air inlet can be regulated, and the embodiment is not limited thereto, and the above is within the protection scope of the utility model.The embodiment adjusts the gas regulating valve 312 to an open state when the infrared radiator 600 corresponding to the gas pipeline 300 needs to heat the workpiece, so that the gas flows to the corresponding infrared radiator 600, and the infrared radiator 600 radiates infrared rays by burning;otherwise, the gas regulating valve 312 is adjusted to a closed state, so that the gas does not flow to the corresponding infrared radiator 600, and the infrared radiator 600 does not burn to radiate infrared rays, thereby avoiding thermal deformation of the workpiece.

[0037] Referring to Figures 1 to 4As shown in the utility model one embodiment, the outer wall of the cylinder 100 is provided with a heat preservation shell 101, and the heat preservation shell 101 is sleeved on the cylinder 100. It should be noted that the heat preservation shell 101 in the embodiment is made of heat preservation material, and the heat preservation material is sleeved on the cylinder 100, so that heat loss in the cylinder 100 is avoided. In this way, heat is effectively conducted to the workpiece, and the heating efficiency of the workpiece is improved.

[0038] Referring to Figures 1 to 4 As shown in the utility model one embodiment, the infrared radiator 600 is detachably installed on the gas pipeline 300. It should be noted that the detachable installation of the infrared radiator 600 on the gas pipeline 300 in the embodiment can be buckle connection, slot connection, threaded connection or the like, as long as the infrared radiator 600 can be detachably installed on the gas pipeline 300. The embodiment is not limited in this way, and the above are all within the protection scope of the utility model. The detachable installation of the infrared radiator 600 provides convenience for replacement of the infrared radiator 600. In this way, when the infrared radiator 600 fails, only the infrared radiator 600 needs to be replaced, thereby avoiding the cost problem caused by the replacement of the whole machine.

[0039] Referring to Figures 1 to 4 As shown in the utility model one embodiment, the infrared radiator 600 between the two adjacent ring structures is provided with a heat insulation plate 102, and the heat insulation plate 102 is used for sealing the gap between the infrared radiators 600. It should be noted that the heat insulation plate 102 in the embodiment is made of heat insulation material, and the heat insulation plate 102 seals the gap between the two adjacent ring structures of the infrared radiator 600, so that water vapor is prevented from entering the combustion area of the infrared radiator 600 through the gap, and the impact of water vapor on the infrared radiator 600 is prevented.

[0040] The above is only an optional embodiment of the utility model, and does not limit the patent range of the utility model. Any equivalent structural transformation, direct / indirect application in other related technical fields based on the utility model concept, the contents of the utility model specification and the drawings are included in the patent protection range of the utility model.

Claims

1. A cylindrical gas infrared heating device, characterized by, The utility model relates to a kind of infrared radiation heating device, including: Cylinder, multiple gas pipes are installed in the cylinder, the gas pipe is arranged along the circumference of the cylinder, multiple gas pipes are arranged along the depth direction of the cylinder; And Multiple infrared radiators, multiple infrared radiators are respectively communicated with multiple gas pipes and enclosed into multiple ring structures, each ring structure is provided with igniter, so that multiple infrared radiators enclosed into the ring structure radiate infrared when the igniter is ignited.

2. The cylindrical gas infrared heating device according to claim 1, wherein The gas pipe includes two arc pipes, two arc pipes are oppositely arranged and enclosed in the cylinder, the arc pipe is communicated with multiple infrared radiators, multiple infrared radiators are distributed in two arc pipes and enclosed into the ring structure.

3. The cylindrical gas infrared heating device according to claim 2, wherein Igniter is arranged at the infrared radiator of the arc pipe, two arc pipes of infrared radiator radiate infrared when the igniter is ignited.

4. The cylindrical gas infrared heating device according to claim 2, wherein The arc pipe has air inlet and multiple air outlets arranged at intervals, multiple air outlets of the arc pipe are respectively communicated with the infrared radiator, and the air inlet of the arc pipe is communicated with the air inlet pipe, and the air inlet pipe is protruded from the cylinder.

5. The cylindrical gas infrared heating device according to claim 4, wherein The air inlet pipe is communicated with combustible gas pipe and combustion-supporting gas pipe, and the combustible gas pipe and the combustion-supporting gas pipe are arranged at intervals, so that combustible gas and combustion-supporting gas flow to the gas pipe through the air inlet pipe respectively.

6. The cylindrical gas infrared heating device according to claim 5, wherein It also includes two fixed frames, the cylinder is arranged between two fixed frames, and the combustible gas pipe and the combustion-supporting gas pipe connected to two arc pipes are respectively installed in two fixed frames.

7. The cylindrical gas infrared heating device according to claim 4, wherein The air inlet pipe is provided with gas regulating valve, and the gas regulating valve is used to regulate the air inlet of the gas pipe.

8. The cylindrical gas infrared heating device according to any one of claims 1 to 7, wherein The outer wall of the cylinder is provided with heat preservation shell, and the heat preservation shell is sleeved on the cylinder.

9. The cylindrical gas infrared heating device according to any one of claims 1 to 7, wherein The infrared radiator can be detachably installed on the gas pipe.

10. The cylindrical gas infrared heating device according to any one of claims 1 to 7, wherein Heat insulation plate is arranged between the infrared radiators of adjacent two ring structures, and the heat insulation plate is used to seal the gap between the infrared radiators.

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