Horizontal preheating furnace

By using an on/off mechanism and a drive cylinder to drive the baffle in the horizontal preheating furnace, the problem of the movable plate occupying pipeline space is solved, achieving efficient hot air delivery and convenient modular maintenance, thus improving production efficiency.

CN224121708UActive Publication Date: 2026-04-14HEFEI FUCHENG NEW MATERIALS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HEFEI FUCHENG NEW MATERIALS CO LTD
Filing Date
2025-04-15
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

In existing horizontal air-circulating preheating furnaces, the movable plate occupies the pipe space when it is opened, affecting the flow rate and hot air delivery efficiency.

Method used

The system employs an on/off mechanism, including a drive cylinder and baffles. The drive cylinder moves the baffles closer to or further apart from each other, and staggered sealing strips ensure that the pipeline is either sealed or unobstructed, thereby achieving efficient flow and hot air delivery.

Benefits of technology

It improves the airtightness of pipelines and the efficiency of hot air delivery, ensures the smooth flow of internal pipelines, facilitates modular maintenance, and enhances production efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224121708U_ABST
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Abstract

The utility model discloses a horizontal preheating furnace which comprises a preheating furnace body, a communicating pipe, an on-off mechanism and a fan mechanism, two baffles are symmetrically arranged in a mechanism shell, and mechanism connecting pipes are arranged on the end faces of the two sides of the baffles respectively. Meanwhile, the mechanism shell is fixedly connected with a driving air cylinder used for driving the two baffles to do reciprocating motion, the two baffles are driven by the driving air cylinder to get close to each other, and then the two mechanism connecting pipes can be isolated from each other, so that internal pipelines are sealed; due to the fact that the end faces of the sides, close to each other, of the two baffles are fixedly connected with the sealing strips arranged in a staggered mode, it is guaranteed that internal pipelines are separated, and leakproofness is achieved, the two baffles are driven by the driving air cylinder to be away from each other, and therefore the internal pipelines are unblocked; and the baffle can completely move to two sides, so that the pipe orifice of the mechanism connecting pipe is completely opened, and the smoothness of the pipeline in the device is ensured.
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Description

Technical Field

[0001] This utility model relates to the field of preheating furnace technology, specifically to a horizontal preheating furnace. Background Technology

[0002] Preheating furnaces are commonly used for preheating polyester composite yarn, island yarn, DTY, POY, FDY and other fibers before processing. A wind circulation system is often used in the preheating furnace to preheat the samples and improve the thermal energy utilization efficiency of the heating device.

[0003] Chinese Patent CN220300956U discloses a horizontal air-circulating preheating furnace, comprising a preheating furnace with an air outlet pipe fixedly connected to the left side and an air inlet pipe fixedly connected to the left side. A hot air component is movably connected to the left ends of the air outlet pipe and the air inlet pipe, and opening and closing components are provided inside the air outlet pipe and the air inlet pipe. This horizontal air-circulating preheating furnace uses two movable plates, pulled by tension springs, to seal the air outlet of the heat-conducting pipe, reducing space and improving the heating efficiency of the heating grid. This allows hot air to enter the preheating furnace more quickly after the fan starts. Simultaneously, a motor drives a second bevel gear, which in turn drives a first bevel gear to synchronously rotate two winding wheels to wind and rewind high-temperature resistant wire, thereby moving the movable plates and allowing air circulation between the air guide pipe and the air inlet pipe. This reduces production costs and facilitates user operation.

[0004] The shortcomings of the above-mentioned existing technical solutions are as follows: the heat pipe is sealed and opened by two movable plates under the pull of a tension spring. Due to the use of movable plates, when the movable plates are opened, they will occupy the space inside the pipe, which will affect the flow rate inside the pipe and the efficiency of hot air delivery. Utility Model Content

[0005] The purpose of this utility model is to provide a horizontal preheating furnace to solve the technical problem in the prior art where the opening and closing components are in the form of a movable plate, which, when the movable plate is opened, will occupy the space inside the pipe, affecting the flow rate inside the pipe and the efficiency of hot air delivery.

[0006] The technical problem to be solved by this utility model can be achieved through the following technical solution:

[0007] A horizontal preheating furnace, comprising:

[0008] The switching mechanism includes a mechanism housing, inside which baffles are symmetrically arranged. Sealing strips are fixedly connected to the end faces of the baffles that are close to each other. A drive cylinder is provided on the mechanism housing to drive the baffles to move relative to each other. Mechanism connecting pipes are provided on both sides of the baffles.

[0009] The preheating furnace body has a preheating chamber inside. Connecting pipe 1 and connecting pipe 2 are connected to the preheating furnace body. Both connecting pipe 1 and connecting pipe 2 are connected to the interior of the preheating chamber. Connecting pipe 1 is connected to the on / off mechanism. Connecting pipe 2 is connected to the fan mechanism. A connecting pipe is provided between the fan mechanism and the on / off mechanism.

[0010] As a further embodiment of this utility model: two baffles are provided, and the sealing strips on the two baffles are staggered.

[0011] As a further embodiment of this utility model: the drive cylinder is fixedly connected to the outer shell of the mechanism, and a telescopic rod is fixedly connected to the drive end of the drive cylinder.

[0012] As a further embodiment of this utility model: a mechanism through hole corresponding to the telescopic rod is provided on the outer shell of the mechanism, the telescopic rod passes through the mechanism through hole and is disposed inside the outer shell of the mechanism, and the telescopic rod is fixedly connected to the baffle.

[0013] As a further embodiment of this utility model: a first adapter pipe and a second adapter pipe are fixedly connected to both sides of the outer shell of the mechanism, and the first adapter pipe and the second adapter pipe are respectively connected to the mechanism connecting pipes on both sides of the baffle.

[0014] As a further embodiment of this utility model: the fan mechanism includes a mounting shell, a fan body is disposed inside the mounting shell, and a transfer pipe three and a transfer pipe four are fixedly connected to both ends of the mounting shell, and the transfer pipe three and the transfer pipe four are both connected to the inside of the mounting shell.

[0015] As a further embodiment of this utility model: connecting pipe three and connecting pipe four are fixedly connected to both ends of the connecting pipe respectively, one end of the connecting pipe is connected to connecting pipe three, and the other end of the connecting pipe is connected to connecting pipe four.

[0016] As a further embodiment of this utility model: one end of the switching mechanism is connected to the connecting pipe 1 through the adapter pipe 1, and the other end of the switching mechanism is connected to the connecting pipe 3 through the adapter pipe 2.

[0017] As a further embodiment of this utility model: one end of the fan mechanism is connected to the connecting pipe two through the adapter pipe three, and the other end of the fan mechanism is connected to the connecting pipe four through the adapter pipe four.

[0018] As a further embodiment of this utility model, a base is fixedly connected to the lower end of the preheating furnace body.

[0019] The beneficial effects of this utility model are:

[0020] 1. The outer shell of this utility model has two baffles symmetrically arranged inside. The two end faces of the two baffles are respectively provided with mechanism connecting pipes. At the same time, a drive cylinder is fixedly connected to the outer shell of the mechanism to drive the two baffles to reciprocate. By driving the two baffles to move closer to each other, the two mechanism connecting pipes are isolated from each other, thereby sealing the internal pipelines. Since the end faces of the two baffles that move closer to each other are fixedly connected with staggered sealing strips, the isolation of the internal pipelines by the baffles can be improved to enhance the airtightness. By driving the two baffles to move away from each other, the internal pipelines can be unobstructed. Since the baffles are driven by the drive cylinder and the telescopic rod, the baffles can be completely moved to both sides, thereby fully opening the opening of the mechanism connecting pipe. This helps to ensure the unobstructed flow of the internal pipelines of the device, ensure the hot air flow in the pipeline and the working efficiency of the device.

[0021] 2. The preheating furnace body of this utility model is connected to connecting pipe one and connecting pipe two respectively. One end of the switching mechanism is connected to connecting pipe one on the preheating furnace body through adapter pipe one, and the other end of the switching mechanism is connected to the connecting pipe through adapter pipe two. One end of the fan mechanism is connected to connecting pipe two on the preheating furnace body through adapter pipe three, and the other end of the fan mechanism is connected to the connecting pipe through adapter pipe four. The above-mentioned arrangement enables the modular arrangement of the main components of the device, thereby facilitating the overall maintenance of the device. When the corresponding component of the device needs to be repaired, the corresponding module can be directly replaced, thereby ensuring production efficiency. Attached Figure Description

[0022] The present invention will be further described below with reference to the accompanying drawings.

[0023] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model;

[0024] Figure 2 This is a three-dimensional structural diagram of the fan mechanism of this utility model;

[0025] Figure 3 This is a three-dimensional structural diagram of the switching mechanism of this utility model;

[0026] Figure 4 This is a three-dimensional schematic diagram of the internal structure of the switching mechanism of this utility model.

[0027] In the diagram: 1. Preheater body; 2. Connecting pipe one; 3. Connecting pipe two; 4. Connecting pipe; 5. Connecting pipe three; 6. Connecting pipe four; 7. On / off mechanism; 71. Mechanism housing; 72. Mechanism through hole; 73. Drive cylinder; 74. Telescopic rod; 75. Baffle; 76. Sealing strip; 77. Mechanism connecting pipe; 78. Transfer pipe one; 79. Transfer pipe two; 8. Fan mechanism; 81. Mounting housing; 82. Transfer pipe three; 83. Transfer pipe four; 9. Base. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0029] like Figures 1-4 As shown, a horizontal preheating furnace includes: a preheating furnace body 1 and an on / off mechanism 7, including a mechanism shell 71. Symmetrically arranged baffles 75 are arranged inside the mechanism shell 71. Sealing strips 76 are fixedly connected to the end faces of the baffles 75 that are close to each other. A driving cylinder 73 is provided on the mechanism shell 71 for driving the baffles 75 to move relative to each other. Mechanism connecting pipes 77 are provided on both sides of the baffles 75. A preheating chamber is provided inside the preheating furnace body 1. A connecting pipe 2 and a connecting pipe 3 are respectively connected to the preheating furnace body 1. Both connecting pipes 2 and 3 are connected to the interior of the preheating chamber. Connecting pipe 2 is connected to the on / off mechanism 7. A fan mechanism 8 is connected to connecting pipe 3. A connecting pipe 4 is provided between the fan mechanism 8 and the on / off mechanism 7.

[0030] In some specific embodiments, two baffles 75 are provided, and the sealing strips 76 on the two baffles 75 are staggered. A drive cylinder 73 is fixedly connected to the mechanism housing 71, and a telescopic rod 74 is fixedly connected to the drive end of the drive cylinder 73. A mechanism through hole 72 corresponding to the telescopic rod 74 is opened on the mechanism housing 71. The telescopic rod 74 passes through the mechanism through hole 72 and is disposed inside the mechanism housing 71. The telescopic rod 74 is fixedly connected to the baffles 75. By driving the two baffles 75 to move closer to each other through the drive cylinder 73, the two mechanism connecting pipes 77 can be separated from each other. The two baffles 75 are separated, thus sealing the internal pipelines. Since the end faces of the two baffles 75 that are close to each other are fixedly connected with staggered sealing strips 76, the baffles 75 can improve the isolation of the internal pipelines and make the sealing more effective. The two baffles 75 are driven to move away from each other by the drive cylinder 73, thus making the internal pipelines unobstructed. Since the baffles 75 are driven by the drive cylinder 73 and the telescopic rod 74, the baffles 75 can be completely moved to both sides, thus making the opening of the mechanism connecting pipe 77 completely open, which helps to ensure the unobstructed flow of the internal pipelines of the device.

[0031] The outer shell 71 of the mechanism is fixedly connected to two sides of the first adapter pipe 78 and the second adapter pipe 79 respectively. The first adapter pipe 78 and the second adapter pipe 79 are respectively connected to the mechanism connecting pipes 77 on both sides of the baffle 75.

[0032] The fan mechanism 8 includes a mounting housing 81, inside which the fan body is installed. At both ends of the mounting housing 81, a third adapter pipe 82 and a fourth adapter pipe 83 are fixedly connected, and both the third adapter pipe 82 and the fourth adapter pipe 83 are connected to the inside of the mounting housing 81.

[0033] Connecting pipe 4 is fixedly connected to connecting pipe 3 5 and connecting pipe 4 6 at both ends. One end of connecting pipe 4 is connected to connecting pipe 3 5, and the other end of connecting pipe 4 is connected to connecting pipe 4 6. One end of switching mechanism 7 is connected to connecting pipe 1 2 through adapter pipe 1 78, and the other end of switching mechanism 7 is connected to connecting pipe 3 5 through adapter pipe 2 79. One end of fan mechanism 8 is connected to connecting pipe 2 3 through adapter pipe 3 82, and the other end of fan mechanism 8 is connected to connecting pipe 4 6 through adapter pipe 4 83.

[0034] In some specific implementations, a base 9 is fixedly connected to the lower end of the preheating furnace body 1.

[0035] To facilitate understanding of the embodiments of this solution by those skilled in the art, the working principle of this solution will now be briefly explained in conjunction with specific application scenarios:

[0036] In use, two baffles 75 are symmetrically arranged inside the outer casing 71 of the mechanism. Mechanism connecting pipes 77 are respectively provided on the two end faces of the two baffles 75. Simultaneously, a drive cylinder 73 is fixedly connected to the outer casing 71 to drive the two baffles 75 to reciprocate. By driving the two baffles 75 closer together, the two mechanism connecting pipes 77 are isolated from each other, thus sealing the internal pipelines. Since staggered sealing strips 76 are fixedly connected to the end faces of the two baffles 75 on the side where they approach each other, the isolation of the internal pipelines by the baffles 75 is enhanced, improving the airtightness. By driving the two baffles 75 away from each other, the internal pipelines are unobstructed. Because the baffles 75 are driven by the drive cylinder 73 and the telescopic rod 74, the baffles... 75 can be fully moved to both sides, thereby fully opening the port of the connecting pipe 77, which helps to ensure the smooth flow of the internal pipelines of the device. The preheating furnace body 1 is connected to connecting pipe 1 2 and connecting pipe 2 3 respectively. One end of the switching mechanism 7 is connected to connecting pipe 1 2 on the preheating furnace body 1 through adapter pipe 1 78, and the other end of the switching mechanism 7 is connected to connecting pipe 4 through adapter pipe 2 79. One end of the fan mechanism 8 is connected to connecting pipe 2 3 on the preheating furnace body 1 through adapter pipe 3 82, and the other end of the fan mechanism 8 is connected to connecting pipe 4 through adapter pipe 4 83. The above-mentioned configuration allows for modular design of the main components of the device, which facilitates the overall maintenance of the device. When the corresponding components of the device need to be repaired, the corresponding modules can be directly replaced, thereby ensuring production efficiency.

[0037] The foregoing has described several embodiments of this utility model in detail, but these embodiments are not limited thereto and should not be considered as limiting the scope of this utility model. All equivalent changes and improvements made within the scope of the claims of this utility model should still fall within the patent coverage of this utility model.

Claims

1. A horizontal preheating furnace, characterized in that, include: The switching mechanism (7) includes a mechanism housing (71), inside which baffles (75) are symmetrically arranged. Sealing strips (76) are fixedly connected to the side end faces of the baffles (75) that are close to each other. A drive cylinder (73) for driving the baffles (75) to make relative movements is provided on the mechanism housing (71). Mechanism connecting pipes (77) are provided on both sides of the baffles (75). The preheating furnace body (1) has a preheating chamber inside. The preheating furnace body (1) is connected to a connecting pipe 1 (2) and a connecting pipe 2 (3). Both the connecting pipe 1 (2) and the connecting pipe 2 (3) are connected to the interior of the preheating chamber. The connecting pipe 1 (2) is connected to the switching mechanism (7). The connecting pipe 2 (3) is connected to a fan mechanism (8). A connecting pipe (4) is provided between the fan mechanism (8) and the switching mechanism (7).

2. A horizontal preheating furnace according to claim 1, characterized in that, There are two baffles (75), and the sealing strips (76) on the two baffles (75) are staggered.

3. A horizontal preheating furnace according to claim 1, characterized in that, The drive cylinder (73) is fixedly connected to the housing (71) of the mechanism, and a telescopic rod (74) is fixedly connected to the drive end of the drive cylinder (73).

4. A horizontal preheating furnace according to claim 3, characterized in that, The outer casing (71) of the mechanism has a mechanism through hole (72) corresponding to the telescopic rod (74). The telescopic rod (74) passes through the mechanism through hole (72) and is located inside the outer casing (71). The telescopic rod (74) is fixedly connected to the baffle (75).

5. A horizontal preheating furnace according to claim 1, characterized in that, The outer shell (71) of the mechanism is fixedly connected to two sides of the first adapter pipe (78) and the second adapter pipe (79), respectively. The first adapter pipe (78) and the second adapter pipe (79) are respectively connected to the mechanism connecting pipes (77) on both sides of the baffle (75).

6. A horizontal preheating furnace according to claim 1, characterized in that, The fan mechanism (8) includes a mounting shell (81), and a fan body is installed inside the mounting shell (81). A third adapter pipe (82) and a fourth adapter pipe (83) are fixedly connected to both ends of the mounting shell (81). Both the third adapter pipe (82) and the fourth adapter pipe (83) are connected to the inside of the mounting shell (81).

7. A horizontal preheating furnace according to claim 1, characterized in that, Connecting pipe (4) is fixedly connected to connecting pipe three (5) and connecting pipe four (6) at both ends. One end of connecting pipe (4) is connected to connecting pipe three (5), and the other end of connecting pipe (4) is connected to connecting pipe four (6).

8. A horizontal preheating furnace according to claim 7, characterized in that, One end of the switching mechanism (7) is connected to the connecting pipe 1 (2), and the other end of the switching mechanism (7) is connected to the connecting pipe 3 (5).

9. A horizontal preheating furnace according to claim 7, characterized in that, One end of the fan mechanism (8) is connected to the second connecting pipe (3), and the other end of the fan mechanism (8) is connected to the fourth connecting pipe (6).

10. A horizontal preheating furnace according to claim 1, characterized in that, The lower end of the preheating furnace body (1) is fixedly connected to a base (9).

Citation Information

Patent Citations

  • Horizontal air circulation preheating furnace

    CN220300956U