Muffle furnace waste gas emission supporting assembly and muffle furnace
By designing the muffle furnace exhaust gas emission support assembly with slidingly connected support and connectors, the distortion and fracture problems caused by temperature changes in the exhaust gas discharge pipe are solved, and the stability and durability of the exhaust gas channel are achieved.
Patent Information
- Application Number
- CN202510737073.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-04
- Publication Date
- 2025-07-18
AI Technical Summary
The existing muffle furnace exhaust gas discharge pipes are easily distorted due to elongation or shortening when temperature changes, resulting in parts breakage and air leakage.
An exhaust gas emission support assembly including a support member and a connector is designed. The connector is slidally connected to the support member, which can be moved axially in the muffle furnace, and the roller is slidly connected to the support member to prevent the exhaust gas emission passage parts from twisting.
It effectively prevents the exhaust gas emission channel from twisting due to elongation or shortening when the temperature changes, and avoids the occurrence of fracture and air leakage after long-term use.
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Figure CN120333130A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of heating equipment, and particularly to a support assembly for exhaust gas emission of a muffle furnace and a muffle furnace. Background Art
[0002] A muffle furnace, also known as a box furnace, has the characteristics of simple operation, convenient maintenance, and a controllable chimney at the back of the furnace. It is suitable for chemical analysis of coal, coking products, and chemical raw materials.
[0003] As the temperature of the muffle furnace rises, the muffle furnace will have a thermal expansion phenomenon, and the exhaust gas discharge pipe of the muffle furnace will extend backward; as the temperature of the muffle furnace drops, the muffle furnace will have a cold shrinkage phenomenon, and the exhaust gas discharge pipe of the muffle furnace will shorten forward.
[0004] The exhaust gas discharge pipe needs to be supported by a support device. In the prior art, the support device is fixed on the outer shell of the muffle furnace. When the exhaust gas discharge pipe extends or shortens, it is easy to cause the parts of the exhaust gas discharge pipe to be distorted, and it is easy to break and leak air after long-term use. Summary of the Invention
[0005] The purpose of the present invention is to provide a support assembly for exhaust gas emission of a muffle furnace to solve the technical problem that when the exhaust gas discharge pipe in the prior art extends or shortens, the parts of the exhaust gas discharge pipe are easily distorted.
[0006] The support assembly for exhaust gas emission of a muffle furnace provided by the present invention includes a support member and a connecting member;
[0007] The support member is used for fixedly connecting with the outer surface of the muffle furnace;
[0008] The connecting member is used for fixedly connecting with the exhaust gas discharge channel of the muffle furnace. The connecting member is slidably connected with the support member, and the connecting member can slide axially relative to the support member along the muffle furnace.
[0009] Further, the connecting member is provided with rollers. The rollers are rotatably connected with the connecting member, and the rollers can rotate around the axis of the rollers; the rollers are slidably connected with the top surface of the support member.
[0010] Further, the top surface of the support member is provided with protrusions, and the protrusions extend along the axis of the muffle furnace;
[0011] The annular side wall of the roller is provided with grooves, the protrusions extend into the grooves, and the top surface of the support member contacts the annular side wall of the roller.
[0012] Further, the top surface of the support member is provided with a slide rail, and the extending direction of the slide rail extends along the axis of the muffle furnace; the rollers are arranged in the slide rail, and the rollers are slidably connected with the slide rail.
[0013] Further, the connecting member is rod-shaped.
[0014] Further, a sleeve is provided at the bottom of the connecting member, and the sleeve is sleeved on the exhaust gas discharge channel.
[0015] Further, a mounting member is provided on the connecting member. The mounting member is located above the support member, and the roller is rotatably connected to the mounting member.
[0016] Further, the exhaust gas discharge channel includes an exhaust gas discharge pipe and a connecting pipe;
[0017] A first flange is provided at the end of the exhaust gas discharge pipe;
[0018] Second flanges are respectively provided at both ends of the connecting pipe, and the first flange is connected to the second flange at one end of the connecting pipe;
[0019] The sleeve is sleeved on the connecting pipe, and the sleeve is located between the two second flanges.
[0020] Further, the longitudinal section of the support member is trapezoidal.
[0021] The object of the present invention also lies in providing a muffle furnace, including the muffle furnace exhaust gas discharge support assembly provided by the present invention.
[0022] The muffle furnace exhaust gas discharge support assembly provided by the present invention includes a support member and a connecting member; the support member is used for fixedly connecting with the outer surface of the muffle furnace; the connecting member is used for fixedly connecting with the exhaust gas discharge channel of the muffle furnace, the connecting member is slidably connected with the support member, and the connecting member can slide axially relative to the support member along the muffle furnace. When the exhaust gas discharge channel of the muffle furnace extends or shortens axially along the muffle furnace, the connecting member moves axially synchronously, and the connecting member can slide axially relative to the support member along the muffle furnace, so that the position of the connecting member is adjusted according to the length of the exhaust gas discharge channel extending out of the muffle furnace, so as to prevent the parts of the exhaust gas discharge channel from being distorted and prevent the occurrence of fracture and air leakage after long-term use. Description of the Drawings
[0023] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.
[0024] Figure 1 It is the front view of the muffle furnace exhaust gas discharge support assembly provided by the embodiment of the present invention;
[0025] Figure 2 is a partial schematic view of the muffle furnace exhaust gas emission support assembly provided by an embodiment of the present invention;
[0026] Figure 3 is a schematic structural view of the support member of the muffle furnace exhaust gas emission support assembly provided by an embodiment of the present invention;
[0027] Figure 4 is a schematic structural view of the sleeve of the muffle furnace exhaust gas emission support assembly provided by an embodiment of the present invention.
[0028] Icon: 1 - support member; 11 - protrusion; 2 - connecting member; 21 - roller; 211 - groove; 22 - sleeve; 23 - mounting member; 3 - outer surface of the muffle furnace; 4 - exhaust gas discharge pipe; 41 - first flange; 5 - connecting pipe; 51 - second flange. Detailed implementation manners
[0029] Next, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings. Apparently, the described embodiments are some, but not all, of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.
[0030] The present invention provides a muffle furnace exhaust gas emission support assembly. Multiple embodiments are given below to describe in detail the muffle furnace exhaust gas emission support assembly provided by the present invention.
[0031] Embodiment 1
[0032] The muffle furnace exhaust gas emission support assembly provided in this embodiment, as Figures 1 to 4 shown, includes a support member 1 and a connecting member 2; the support member 1 is used for fixedly connecting with the outer surface 3 of the muffle furnace; the connecting member 2 is used for fixedly connecting with the exhaust gas emission channel of the muffle furnace, the connecting member 2 is slidably connected with the support member 1, and the connecting member 2 can slide axially relative to the support member 1 along the muffle furnace.
[0033] The support member 1 is fixedly connected with the outer surface 3 of the muffle furnace, so that the support member 1 is fixed on the outer surface 3 of the muffle furnace, and the support member 1 can support the connecting member 2, so that the support member 1 supports the exhaust gas emission channel of the muffle furnace through the connecting member 2.
[0034] The connecting member 2 is fixedly connected with the exhaust gas emission channel of the muffle furnace. When the exhaust gas emission channel of the muffle furnace extends or contracts axially along the muffle furnace, the connecting member 2 moves axially along the muffle furnace synchronously with the exhaust gas emission channel of the muffle furnace.
[0035] The axis of the muffle furnace is parallel to the axis of the exhaust gas emission channel.
[0036] When the exhaust gas discharge channel of the muffle furnace extends or shortens along the axial direction of the muffle furnace, the connecting member 2 moves synchronously along the axial direction of the muffle furnace, and the connecting member 2 can slide relative to the support member 1 along the axial direction of the muffle furnace, so that the position of the connecting member 2 is adjusted according to the length of the exhaust gas discharge channel extending out of the muffle furnace, preventing the parts of the exhaust gas discharge channel from being distorted and preventing the exhaust gas discharge channel from breaking and leaking after long-term use.
[0037] Further, the connecting member 2 is provided with a roller 21, the roller 21 is rotatably connected to the connecting member 2, and the roller 21 can rotate around the axis of the roller 21; the roller 21 is slidably connected to the top surface of the support member 1.
[0038] When the length of the exhaust gas discharge channel of the muffle furnace extending out of the muffle furnace remains unchanged, the roller 21 does not rotate, the roller 21 is placed on the support member 1, and the support member 1 supports the roller 21, thereby supporting the exhaust gas discharge channel.
[0039] When the exhaust gas discharge channel of the muffle furnace extends or shortens along the axial direction of the muffle furnace, the roller 21 slides relative to the top surface of the support member 1 along the axial direction of the muffle furnace. By providing the roller 21, the friction between the connecting member 2 and the support member 1 is small, the movement of the connecting member 2 is smoother, and the roller 21 and the support member 1 are not easily damaged.
[0040] In an alternative embodiment, the top surface of the support member 1 is provided with a protrusion 11, and the protrusion 11 extends along the axial direction of the muffle furnace; a groove 211 is provided on the annular side wall of the roller 21, and the protrusion 11 extends into the groove 211, and the top surface of the support member 1 contacts the annular side wall of the roller 21.
[0041] Specifically, as Figure 3 shown, a protrusion 11 is provided in the middle of the top surface of the support member 1, the protrusion 11 extends along the axial direction of the muffle furnace, a groove 211 is provided on the annular side wall of the roller 21, and the protrusion 11 extends into the groove 211. The protrusion 11 can guide the roller 21, and the roller 21 can move along the extending direction of the protrusion 11. Along the direction perpendicular to the extending direction of the protrusion 11, the annular side wall on one side of the groove 211 contacts the top surface on one side of the protrusion 11, and the annular side wall on the other side of the groove 211 contacts the top surface on the other side of the protrusion 11, so that the roller 21 rolls on the top surface of the support member 1. Among them, the extending direction of the protrusion 11 and the direction perpendicular to the extending direction of the protrusion 11 are both arranged in the horizontal direction.
[0042] In another alternative embodiment, a slide rail is provided on the top surface of the support member 1, and the extending direction of the slide rail extends along the axial direction of the muffle furnace; the roller 21 is arranged in the slide rail, and the roller 21 is slidably connected to the slide rail.
[0043] The roller 21 slides along the extending direction of the slide rail, and the slide rail can guide the sliding direction of the roller 21.
[0044] In addition, in other embodiments, the support member 1 can be a sleeve 22, the connecting member 2 can be a connecting rod, the axial direction of the sleeve 22 is parallel to the axial direction of the muffle furnace, the axial direction of the connecting rod is parallel to the axial direction of the muffle furnace, the sleeve 22 is sleeved outside the connecting member 2, the sleeve 22 can support the connecting member 2, and the connecting member 2 can slide along the axial direction of the sleeve 22.
[0045] Among them, the connecting member 2 can be in a rod shape or a bracket shape or any other suitable form.
[0046] In this embodiment, the connecting member 2 is in a rod shape.
[0047] The connecting member 2 can be in a rectangular rod shape or a cylindrical rod shape, etc. The rod-shaped connecting member 2 occupies a small volume and is convenient for arrangement.
[0048] Further, a sleeve 22 is provided at the bottom of the connecting member 2, and the sleeve 22 is sleeved on the exhaust gas discharge channel.
[0049] A sleeve 22 is fixedly provided at the bottom of the connecting member 2, and the sleeve 22 is fixedly sleeved on the exhaust gas discharge pipe 4, so that the connecting member 2 is fixed on the exhaust gas discharge pipe 4, and the connecting member 2 can move synchronously along the axial direction of the muffle furnace with the exhaust gas discharge pipe 4.
[0050] Further, a mounting member 23 is provided on the connecting member 2, the mounting member 23 is located above the support member 1, and the roller 21 is rotatably connected to the mounting member 23.
[0051] A mounting member 23 is provided in the middle of the connecting member 2, the mounting member 23 is located above the support member 1, the roller 21 is rotatably connected to the mounting member 23, and the roller 21 can rotate around the axial direction of the roller 21 so that the roller 21 is in sliding connection with the top surface of the support member 1.
[0052] Further, the exhaust gas discharge channel includes an exhaust gas discharge pipe 4 and a connecting pipe 5; a first flange 41 is provided at the end of the exhaust gas discharge pipe 4; second flanges 51 are respectively provided at both ends of the connecting pipe 5, and the first flange 41 is connected to the second flange 51 at one end of the connecting pipe 5; the sleeve 22 is sleeved on the connecting pipe 5, and the sleeve 22 is located between the two second flanges 51.
[0053] When the temperature of the muffle furnace changes, the exhaust gas discharge pipe 4 will expand and contract axially along the axial direction of the exhaust gas discharge pipe 4.
[0054] The axial direction of the exhaust gas discharge pipe 4 is parallel to the axial direction of the muffle furnace.
[0055] The end of the exhaust gas discharge pipe 4 facing the outside of the muffle furnace is provided with a first flange 41, and the first flange 41 is connected to the second flange 51 at one end of the connecting pipe 5 so that the discharge pipe and the connecting pipe 5 are connected. The sleeve 22 is fixedly sleeved on the connecting pipe 5, so that the sleeve 22 is connected to the exhaust gas discharge pipe 4 through the connecting pipe 5.
[0056] Among them, the sleeve 22 can be fixedly connected to the connecting pipe 5 in a detachable manner. For example, the sleeve 22 is formed by a hoop, and the hoop is locked on the connecting pipe 5 by bolts.
[0057] The first flange 41 and the second flange 51 can be connected by bolts.
[0058] The second flange 51 at the other end of the connecting pipe 5 can be used to connect to the heat dissipation pipeline.
[0059] Furthermore, the longitudinal section of the support member 1 is trapezoidal.
[0060] As Figure 1 shown, the longitudinal section of the support member 1 along the vertical direction is trapezoidal, wherein the top surface of the support member 1 is arranged parallel to the horizontal plane, the bottom surface of the support member 1 is arranged obliquely to the horizontal plane, the longitudinal section of the support member 1 is trapezoidal, and the support member 1 can be relatively stably fixed on the outer surface 3 of the muffle furnace and stably support the connecting member 2.
[0061] Embodiment 2
[0062] The muffle furnace provided in this embodiment includes the exhaust gas discharge support assembly of the muffle furnace provided in Embodiment 1. When the exhaust gas discharge channel of the muffle furnace extends or contracts along the axial direction of the muffle furnace, the connecting member 2 moves synchronously along the axial direction of the muffle furnace, and the connecting member 2 can slide relative to the support member 1 along the axial direction of the muffle furnace, so that the position of the connecting member 2 is adjusted according to the length of the exhaust gas discharge channel extending out of the muffle furnace, so as to prevent the parts of the exhaust gas discharge channel from being distorted and prevent the occurrence of breakage and air leakage after long-term use.
[0063] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention.
Claims
1. A support assembly for the exhaust gas emission of a muffle furnace, characterized in that It includes a support member (1) and a connecting member (2); The support member (1) is used for fixedly connecting with the outer surface (3) of the muffle furnace; The connecting member (2) is used for fixedly connecting with the exhaust gas discharge channel of the muffle furnace. The connecting member (2) is slidably connected with the support member (1), and the connecting member (2) can slide axially relative to the support member (1) along the muffle furnace.
2. The muffle furnace exhaust gas emission support assembly according to claim 1, wherein The connecting member (2) is provided with a roller (21). The roller (21) is rotatably connected with the connecting member (2), and the roller (21) can rotate around the axis of the roller (21); The roller (21) is slidably connected with the top surface of the support member (1).
3. The muffle furnace exhaust gas emission support assembly according to claim 2, characterized in that, The top surface of the support member (1) is provided with a protrusion (11), and the protrusion (11) extends axially along the muffle furnace; The annular side wall of the roller (21) is provided with a groove (211), and the protrusion (11) extends into the groove (211), and the top surface of the support member (1) contacts the annular side wall of the roller (21).
4. The muffle furnace exhaust gas emission support assembly according to claim 2, characterized in that, The top surface of the support member (1) is provided with a slide rail, and the extending direction of the slide rail extends axially along the muffle furnace; The roller (21) is arranged in the slide rail, and the roller (21) is slidably connected with the slide rail.
5. The muffle furnace exhaust gas emission support assembly according to claim 2, characterized in that, The connecting member (2) is rod-shaped.
6. The muffle furnace exhaust gas emission support assembly according to claim 5, characterized in that, The bottom of the connecting member (2) is provided with a sleeve (22), and the sleeve (22) is sleeved on the exhaust gas discharge channel.
7. The muffle furnace exhaust gas emission support assembly according to claim 5, characterized in that, The connecting member (2) is provided with a mounting member (23), and the mounting member (23) is located above the support member (1), and the roller (21) is rotatably connected with the mounting member (23).
8. The muffle furnace exhaust gas emission support assembly according to claim 6, characterized in that, The exhaust gas discharge channel includes an exhaust gas discharge pipe (4) and a connecting pipe (5); The end of the exhaust gas discharge pipe (4) is provided with a first flange (41); Both ends of the connecting pipe (5) are respectively provided with a second flange (51), and the first flange (41) is connected with the second flange (51) at one end of the connecting pipe (5); The sleeve (22) is sleeved on the connecting pipe (5), and the sleeve (22) is located between the two second flanges (51).
9. The muffle furnace exhaust gas emission support assembly according to claim 1, characterized in that, The longitudinal section of the support member (1) is trapezoidal.
10. A muffle furnace, characterized in that, It includes the muffle furnace exhaust gas discharge support assembly according to any one of claims 1 - 9.