CN217077395U - Heating furnace convection device capable of heating uniformly - Google Patents
Heating furnace convection device capable of heating uniformly Download PDFInfo
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- CN217077395U CN217077395U CN202221025199.XU CN202221025199U CN217077395U CN 217077395 U CN217077395 U CN 217077395U CN 202221025199 U CN202221025199 U CN 202221025199U CN 217077395 U CN217077395 U CN 217077395U
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Abstract
The utility model discloses a heating furnace convection device with uniform heating, which comprises a convection component arranged in the heating space of a heating furnace, wherein the convection component comprises two convection pipes which are symmetrically arranged, and each convection pipe comprises an air inlet section, a lower layer convection section and an outer sleeve; the input port of the lower convection section is communicated with the gas input mechanism through the gas inlet section, and the lower convection section is provided with a first gas outlet; the lower convection sections of the two symmetrically arranged convection pipes are oppositely arranged and arranged in the outer sleeve, and a flow gap is formed between the inner wall of the outer sleeve and the outer wall of the lower convection section; a heating wire is arranged above the outer sleeve; the outer sleeve is provided with a second air outlet, and the second air outlet faces towards the roller shaft arranged in the heating space. The convection device of the uniformly-heating furnace solves the problem that the glass processed by the conventional convection device is easily fogged.
Description
Technical Field
The utility model relates to a glass tempering technical field, especially a heating furnace convection device of even heating.
Background
The existing heating furnace for heating glass utilizes hot air jetted by a convection device to act on the glass, so that the temperature of the glass is raised to a required temperature. As shown in fig. 1, in order to facilitate installation, the convection apparatus of the related art has convection pipes 21 with independent air inlets respectively installed at left and right sides perpendicular to the glass conveying direction. The two convection tubes 21 are relatively independent, a section of gap 13 can be formed at the tail end of the convection tube 21, the hot air blown by the two convection tubes 21 can not cover the position of the section of gap 13, and when the glass placed on the roller shaft 12 is heated, the position of the glass facing the section of gap 13 can be heated unevenly due to the fact that the glass is not heated by the hot air, and therefore the glass is white and foggy.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings, an object of the present invention is to provide a convection device for a heating furnace with uniform heating, which solves the problem that the glass processed by the current convection device is easily fogged.
To achieve the purpose, the utility model adopts the following technical proposal: a convection device of a heating furnace for uniform heating comprises a convection component arranged in a heating space of the heating furnace, wherein the convection component comprises two convection pipes which are symmetrically arranged, and each convection pipe comprises an air inlet section, a lower-layer convection section and an outer sleeve;
the input port of the lower convection section is communicated with the gas input mechanism through the gas inlet section, and the lower convection section is provided with a first gas outlet;
the lower convection sections of the two symmetrically arranged convection pipes are oppositely arranged and arranged in the outer sleeve, and a flow gap is formed between the inner wall of the outer sleeve and the outer wall of the lower convection section; a heating wire is arranged above the outer sleeve; the outer sleeve is provided with a second air outlet, and the second air outlet faces towards the roller shaft arranged in the heating space.
It is worth mentioning that an included angle a between the opening direction of the first air outlet and the opening direction of the second air outlet is larger than 90 °.
Optionally, the convection tube further comprises an upper convection section, an input port of the upper convection section is connected with an output port of the air inlet section, an output port of the upper convection section is connected with an input port of the lower convection section, and the heating wire is arranged between the upper convection section and the lower convection section.
Specifically, the plane of the upper convection section is parallel to the plane of the heating wire, and the upper convection section is of a U-shaped structure.
Preferably, the convection pipe further comprises an upper layer connecting section and a lower layer connecting section, and the upper layer connecting section extends towards the direction of the roller shaft; and the input ports of the upper and lower connecting sections are connected with the output port of the upper convection section, and the output ports of the upper and lower connecting sections are connected with the input ports of the lower convection section.
It is worth mentioning that the outer sleeve is parallel to the roller shaft.
Optionally, the heating space is provided with a plurality of convection assemblies.
One of the above technical solutions has the following beneficial effects: in the uniformly heated heating furnace convection device, air is input into the lower-layer convection section from the gas input mechanism through the gas inlet section, the air in the lower-layer convection section is heated through the heating wire, and then the air enters the flowing gap after coming out from the first gas outlet; because the outer sleeve is arranged, the outer sleeve wraps the gap formed between the first air outlet and the two opposite lower convection sections, after hot air comes out from the first air outlet, the hot air can be firstly diffused in the flowing gap, so that the internal air pressure of the flowing gap tends to be uniform, and then the hot air is sprayed to the glass on the roller shaft through the second air outlet, so that the glass is uniformly heated, and the glass is prevented from generating white fog.
Drawings
FIG. 1 is a schematic structural diagram of a conventional convection apparatus;
fig. 2 is a front view of a convection apparatus according to an embodiment of the present invention;
fig. 3 is a left side view of the convection apparatus of an embodiment of the present invention;
fig. 4 is a front view of a convection tube of an embodiment of the present invention;
fig. 5 is a top view of a convection tube of an embodiment of the present invention;
fig. 6 is a left side view of a convection tube of an embodiment of the present invention;
FIG. 7 is a cross-sectional view of the lower convection section and outer sleeve of an embodiment of the invention;
wherein: 1 heating a space; 11 heating wires; 12 roll shafts; 13, a notch; 2, a convection component; 21 convection tubes; 211 an air inlet section; 212 a lower convection section; 2121 a first air outlet; 213 outer sleeve; 2131 a flow gap; 2132 a second air outlet; 214 an upper convection section; 215 upper and lower layer connecting sections; 3 gas input mechanism.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial.
In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
With reference to fig. 2 to 7, a convection device of a uniform heating furnace according to an embodiment of the present invention is described, including a convection assembly 2 disposed in a heating space 1 of the heating furnace, where the convection assembly 2 includes two convection pipes 21 symmetrically disposed, and the convection pipe 21 includes an air inlet section 211, a lower convection section 212, and an outer sleeve 213;
the input port of the lower convection section 212 is communicated with the gas input mechanism 3 through the gas inlet section 211, and the lower convection section 212 is provided with a first gas outlet 2121; specifically, the gas input mechanism 3 is an existing structure for inputting air to the air intake section 211;
the lower convection section 212 of the two convection tubes 21 symmetrically arranged is oppositely arranged and arranged in the outer sleeve 213, and a flow gap 2131 is formed between the inner wall of the outer sleeve 213 and the outer wall of the lower convection section 212; a heating wire 11 is arranged above the outer sleeve 213; the outer tube 213 has a second air outlet 2132, and the second air outlet 2132 faces the roller 12 disposed in the heating space 1. In this embodiment, the left and right ends of the outer sleeve 213 are welded and sealed, thereby ensuring that air does not leak from the left and right ends of the outer sleeve 213.
In the convection device of the uniformly-heated heating furnace, air is input into the lower convection section 212 from the gas input mechanism 3 through the gas inlet section 211, the air in the lower convection section 212 is heated by the heating wire 11, and then the air comes out of the first gas outlet 2121 and enters the flow gap 2131; because the outer sleeve 213 is provided, the outer sleeve 213 covers the gap formed between the first air outlet 2121 and the two lower convection sections 212, after the hot air comes out from the first air outlet 2121, the hot air is firstly diffused in the flowing gap 2131, so that the internal air pressure of the flowing gap 2131 tends to be uniform, and then the hot air is sprayed to the glass on the roller shaft 12 through the second air outlet 2132, so that the glass is uniformly heated, and the glass is prevented from being fogged.
In some embodiments, as shown in fig. 7, an angle a between the opening direction of the first air outlet 2121 and the opening direction of the second air outlet 2132 is greater than 90 °. In this way, after the hot air comes out of the first air outlet 2121 and enters the flow gap 2131, a larger distance is needed to flow to the second air outlet 2132, so that the hot air can be promoted to diffuse in the flow gap 2131, and the air pressure in the flow gap 2131 tends to be uniform.
It should be noted that, as shown in fig. 2 to 6, the convection pipe 21 further includes an upper convection section 214, an input port of the upper convection section 214 is connected to an output port of the air inlet section 211, an output port of the upper convection section 214 is connected to an input port of the lower convection section 212, and the heating wire 11 is disposed between the upper convection section 214 and the lower convection section 212. Air admission section 211 is back, reentrant upper convection section 214, the air process during upper convection section 214, heater strip 11 heats the air that is located upper convection section 214, and the air after the heating enters into behind lower floor's convection section 212, heater strip 11 heats it again to improve the heating effect of air.
Alternatively, as shown in fig. 2 and 5, the plane of the upper convection section 214 is parallel to the plane of the heating wires 11, and the upper convection section 214 has a U-shaped structure. In this embodiment, the heat generated by the heating wire 11 can be diffused to all positions of the upper convection section 214; the air of the air inlet section 211 enters from one end of the U-shaped structure of the upper convection section 214 and then exits from the other end of the U-shaped structure of the upper convection section 214, and the flow distance of the air is extended by the upper convection section 214 of the U-shaped structure, so that the heating time of the air is increased, and the heating effect of the air is improved.
Specifically, as shown in fig. 2 to 6, the convection tube 21 further includes upper and lower connecting sections 215, and the upper and lower connecting sections 215 extend in the direction of the roller shaft 12; the input port of the upper and lower connecting sections 215 is connected to the output port of the upper convection section 214, and the output port of the upper and lower connecting sections 215 is connected to the input port of the lower convection section 212. The upper and lower connecting sections 215 are arranged to reserve a space between the upper convection section 214 and the lower convection section 212 for placing the heating wire 11, so that the heating wire 11 can heat the upper convection section 214 and the lower convection section 212 at the same time; the upper and lower connecting sections 215 can also make the lower convection section 212 close to the roller 12, so that the second air outlet 2132 is closer to the glass on the roller 12, and the heating efficiency of the glass is improved.
Preferably, the outer sleeve 213 is parallel to the roller shaft 12. In this way, the outer tube 213 is parallel to the glass on the roller 12, so that any one of the second air outlets 2132 of the outer tube 213 can be blown to the glass for the same distance, thereby heating the glass uniformly.
In some embodiments, as shown in fig. 3, the heating space 1 is provided with a plurality of convection assemblies 2. The convection assemblies 2 work simultaneously to heat the glass, thereby improving the heating efficiency.
Other configurations and operations of a convection apparatus of a uniformly heated furnace according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.
In the description herein, references to the description of the terms "embodiment," "example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. The utility model provides an even heating furnace convection device of heating, is including setting up the convection current subassembly in the heating space of heating furnace, its characterized in that: the convection assembly comprises two convection pipes which are symmetrically arranged, and each convection pipe comprises an air inlet section, a lower-layer convection section and an outer sleeve;
the input port of the lower convection section is communicated with the gas input mechanism through the gas inlet section, and the lower convection section is provided with a first gas outlet;
the lower convection sections of the two symmetrically arranged convection pipes are oppositely arranged and arranged in the outer sleeve, and a flow gap is formed between the inner wall of the outer sleeve and the outer wall of the lower convection section; a heating wire is arranged above the outer sleeve; the outer sleeve is provided with a second air outlet, and the second air outlet faces towards the roller shaft arranged in the heating space.
2. The convection apparatus of a uniformly heated furnace of claim 1, wherein: and an included angle a between the opening direction of the first air outlet and the opening direction of the second air outlet is larger than 90 degrees.
3. The convection apparatus of a uniformly heated furnace of claim 1, wherein: the convection tube still includes upper convection section, the input port of upper convection section with the delivery outlet of section of admitting air is connected, the delivery outlet of upper convection section with the input port of lower floor's convection section is connected, the heater strip set up in upper convection section with between the lower floor's convection section.
4. The convection apparatus of a uniformly heated furnace as set forth in claim 3, wherein: the plane of the upper convection section is parallel to the plane of the heating wires, and the upper convection section is of a U-shaped structure.
5. The convection apparatus of a uniformly heated furnace as set forth in claim 3, wherein: the convection pipe also comprises an upper layer connecting section and a lower layer connecting section, and the upper layer connecting section extends towards the direction of the roll shaft; and the input ports of the upper and lower connecting sections are connected with the output port of the upper convection section, and the output ports of the upper and lower connecting sections are connected with the input ports of the lower convection section.
6. The convection apparatus of a uniformly heated furnace of claim 1, wherein: the outer sleeve is parallel to the roller shaft.
7. The convection apparatus of a uniformly heated furnace of claim 1, wherein: the heating space is provided with a plurality of convection assemblies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221025199.XU CN217077395U (en) | 2022-04-29 | 2022-04-29 | Heating furnace convection device capable of heating uniformly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221025199.XU CN217077395U (en) | 2022-04-29 | 2022-04-29 | Heating furnace convection device capable of heating uniformly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217077395U true CN217077395U (en) | 2022-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221025199.XU Active CN217077395U (en) | 2022-04-29 | 2022-04-29 | Heating furnace convection device capable of heating uniformly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217077395U (en) |
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2022
- 2022-04-29 CN CN202221025199.XU patent/CN217077395U/en active Active
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