Flue heat dissipation mechanism for heat treatment furnace

By introducing lifting and cooling mechanisms into the heat treatment furnace, the thermal stability problem of the gate structure during switching of high-temperature heating and low-temperature heat treatment modes is solved, and the stable operation of the equipment and the improvement of production efficiency is achieved.

CN223204748UActive Publication Date: 2025-08-08TIANJIN XINGHONG NEW MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202421989854.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-16
Publication Date
2025-08-08
Estimated Expiration
2034-08-16

AI Technical Summary

Technical Problem

The gate structure of the existing heat treatment furnace has poor thermal stability and is prone to deformation when switching high-temperature heating and low-temperature heat treatment modes, resulting in equipment failure and inconvenient maintenance, and increasing production risks.

Method used

A flue heat dissipation mechanism including a lifting mechanism and a cooling mechanism is designed. The flue gas emission is adjusted by changing the gate height by the lifting mechanism, and the cooling mechanism is used to continuously cool it to avoid deformation of the structural parts. The lifting mechanism is driven by a reducer motor, and the cooling mechanism is provided with cooling air by a air pump.

Benefits of technology

The smooth conversion of the heat treatment furnace between high-temperature heating and low-temperature heat treatment modes is achieved, which reduces equipment failure rate, reduces downtime, and improves production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a flue heat dissipation mechanism for a heat treatment furnace, which comprises a flashboard used for blocking a flue, a lifting mechanism and a cooling mechanism respectively arranged on two sides of the flashboard, the flashboard comprises a blocking section and a lifting section, the lifting section comprises two lifting baffles arranged at an angle, a hanging rod is fixed between the two lifting baffles, and a hanging ring is arranged at the tail end of the hanging rod. Fixing plates are fixed to the tops of the two lifting baffles respectively, one ends of the same sides of the two fixing plates extend out of the lifting baffles and are fixedly provided with first fixed pulleys, and second fixed pulleys are fixed to the middles of the two fixing plates; through the design, the technical problems that an existing flashboard structure is poor in thermal stability, and structural parts are prone to deformation are solved.
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Description

Technical Field

[0001] The utility model relates to the field of auxiliary heat dissipation of heat treatment furnaces, in particular to a flue heat dissipation mechanism for heat treatment furnaces. Background Art

[0002] With the continuous development of industrial heat treatment furnaces, in order to facilitate the mode conversion between high-temperature heating and low-temperature heat treatment, heating and low-temperature heat treatment integrated furnaces have emerged.

[0003] However, due to the frequent switching between the two modes, the existing gate structure will have poor thermal stability in the heating mode, which is prone to equipment failures such as structural deformation, and is inconvenient for maintenance, increasing the risk of production. Therefore, it is necessary to add an auxiliary structure to the flue to complete the flue gas discharge of the heat treatment part.

[0004] To this end, our company provides a flue heat dissipation mechanism for heat treatment furnaces to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to overcome the defects in the prior art and provide a flue heat dissipation mechanism for a heat treatment furnace.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions:

[0007] A flue heat dissipation mechanism for a heat treatment furnace includes: a gate plate for blocking the flue, a lifting mechanism and a cooling mechanism are respectively provided on both sides of the gate plate, the gate plate includes a blocking section and a lifting section, the lifting section includes two lifting baffles arranged at an angle, a suspension rod is fixed between the two lifting baffles, a suspension ring is provided at the end of the suspension rod, a fixed plate is respectively fixed on the top of the two lifting baffles, one end on the same side of the two fixed plates extends outward from the lifting baffle and is fixed with a first fixed pulley, and a second fixed pulley is fixed in the middle of the two fixed plates.

[0008] Preferably, the lifting mechanism includes a reduction motor arranged below the two fixed plates, a stranding wheel wrapped with a steel wire rope is fixed to the output end of the reduction motor, and the other end of the steel wire rope is rollingly connected to the first fixed pulley and the second fixed pulley in sequence and fixed to the lifting ring.

[0009] Preferably, the cooling mechanism includes an air pump arranged below the two fixed plates, the air pump is connected to an air duct extending between the two lifting baffles, and the air duct is provided with a plurality of exhaust ports.

[0010] Preferably, the blocking section of the gate plate includes a connecting plate fixed to the lifting section, and the connecting plate and the blocking plate are fixed by an anchor.

[0011] Preferably, the steel wire rope is fixed to the center of the lifting ring along the tangent direction of the second fixed pulley.

[0012] Preferably, the steel wire rope is made of stainless steel.

[0013] Preferably, the suspension rod, connecting plate and anchor are all made of stainless steel.

[0014] Preferably, the lifting mechanism, cooling mechanism and fixing plate are all provided with lifting rods.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] The height of the gate is changed by using a lifting mechanism, thereby changing the cross-sectional area of the blocked flue to adjust the flue gas emission, realizing the mode conversion of high-temperature heating and low-temperature heat treatment of the heat treatment furnace. A cooling mechanism is also installed to avoid problems such as material deformation in a high-temperature operating environment, reduce equipment failure rate, shorten equipment downtime, make production operations smoother, and improve production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure and gate section of the utility model;

[0018] Figure 2 It is a side view of the gate of the utility model.

[0019] In the figure: 100, flue; 1, gate; 11, blocking section; 111, connecting plate; 112, blocking plate; 113, anchor; 12, lifting section; 121, lifting baffle; 122, lifting rod; 123, lifting ring; 13, fixing plate; 14, first fixed pulley; 15, second fixed pulley; 2, lifting mechanism; 21, reduction motor; 22, wire rope; 3, cooling mechanism; 31, air pump; 32, air duct; 33, exhaust outlet; 4, lifting rod. DETAILED DESCRIPTION

[0020] A preferred embodiment of the present invention will be described below in conjunction with the accompanying drawings to clearly and completely describe the technical solution in the preferred embodiment of the present invention.

[0021] A flue heat dissipation mechanism for a heat treatment furnace includes: a gate 1 for blocking a flue 100, a lifting mechanism 2 and a cooling mechanism 3 are respectively provided on both sides of the gate 1, the gate 1 includes a blocking section 11 and a lifting section 12, the lifting section 12 includes two lifting baffles 121 arranged at an angle, a suspension rod 122 is fixed between the two lifting baffles 121, a suspension ring 123 is provided at the end of the suspension rod 122, a fixing plate 13 is respectively fixed to the top of the two lifting baffles 121, one end of the two fixing plates 13 on the same side extends outward from the lifting baffle 121 and is fixed with a first fixed pulley 14, and a second fixed pulley 15 is fixed in the middle of the two fixing plates 13.

[0022] Through the above design, the present invention first fixes the positions of the lifting mechanism 2, the first fixed pulley 14 and the second fixed pulley 15. The first fixed pulley 14 and the second fixed pulley 15 are arranged horizontally. The steel wire rope 22 of the lifting mechanism 2 is fixedly connected to the center of the lifting ring 123 along the tangent direction of the second fixed pulley 15. The gate 1 is hoisted to the inside of the flue 100 by using the lifting ring 123 and the suspension rod 122. Then, the air pump 31 and the air duct 32 of the air pump 31 are installed. The air pump 31 is used to deliver cooling air to continuously cool the metal parts of the rectification mechanism. Such a design structure is simple and easy to install. It realizes the mode conversion between high-temperature heating and low-temperature heat treatment of the heat treatment furnace while reducing problems such as structural instability and deformation caused by high-temperature environment, thereby reducing the equipment failure rate.

[0023] Specifically, the lifting mechanism 2 includes a reduction motor 21 arranged under the two fixed plates 13. A stranding wheel with a wire rope 22 wrapped around it is fixed to the output end of the reduction motor 21. The other end of the wire rope 22 is rollingly connected to the first fixed pulley 14 and the second fixed pulley 15 in turn and is fixed to the lifting ring 123.

[0024] Through the above design, the present invention controls the retraction and extension of the steel wire rope 22 by the reduction motor 21, changes the height of the gate plate 1 to control the flue gas emission of the flue 100, and thus realizes the mode conversion between high temperature heating and low temperature heat treatment.

[0025] Specifically, the cooling mechanism 3 includes an air pump 31 disposed below the two fixing plates 13 . The air pump 31 is connected to an air duct 32 extending between the two lifting baffles 121 . The air duct 32 is provided with a plurality of air outlets 33 .

[0026] Through the above design, the utility model allows the air duct 32 and the air outlet 33 on the air duct 32 to continuously deliver cold air to the gate plate 1 to cool the entire structure.

[0027] Specifically, the blocking section 11 of the gate plate 1 includes a connecting plate 111 fixedly connected to the lifting section 12 , and the connecting plate 111 and the blocking plate 112 are fixedly connected via an anchor 113 .

[0028] Through the above-mentioned design, the anchor 113 of the present invention helps to prevent the blocking section 11 of the gate 1 that is exposed to smoke for a long time from deforming, thereby accurately controlling the smoke emission.

[0029] Specifically, the steel wire rope 22 is fixedly connected to the center of the lifting ring 123 along the tangential direction of the second fixed pulley 15 .

[0030] The utility model ensures the verticality of the lifting force and accurately controls the smoke emission through the above design.

[0031] Specifically, the steel wire rope 22 is made of stainless steel, and the suspension rod 122, the connecting plate 111 and the anchor 113 are all made of stainless steel.

[0032] Specifically, the lifting mechanism 2 , the cooling mechanism 3 and the fixing plate 13 are all provided with a lifting rod 4 .

[0033] Through the above design, the utility model reasonably arranges the installation positions of the lifting mechanism 2, the cooling mechanism 3 and the fixing plate 13 through the hanging rod 4.

[0034] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A flue heat dissipation mechanism for a heat treatment furnace, characterized in that: include: A gate plate (1) for blocking a flue (100) is provided with a lifting mechanism (2) and a cooling mechanism (3) on both sides of the gate plate (1). The gate plate (1) comprises a blocking section (11) and a lifting section (12). The lifting section (12) comprises two lifting baffles (121) arranged at an angle. A suspension rod (122) is fixed between the two lifting baffles (121). A suspension ring (123) is provided at the end of the suspension rod (122). A fixing plate (13) is fixed to the top of each of the two lifting baffles (121). One end of the two fixing plates (13) on the same side extends outward from the lifting baffle (121) and is fixed with a first fixed pulley (14). A second fixed pulley (15) is fixed in the middle of the two fixing plates (13).

2. The flue heat dissipation mechanism for a heat treatment furnace according to claim 1, characterized in that: The lifting mechanism (2) includes a reduction motor (21) arranged below the two fixed plates (13); a stranding wheel with a steel wire rope (22) wound around it is fixed to the output end of the reduction motor (21); the other end of the steel wire rope (22) is rollingly connected to the first fixed pulley (14) and the second fixed pulley (15) in sequence and fixedly connected to the lifting ring (123).

3. The flue heat dissipation mechanism for a heat treatment furnace according to claim 1, characterized in that: The cooling mechanism (3) includes an air pump (31) arranged below the two fixed plates (13). The air pump (31) is connected to an air duct (32) extending between the two lifting baffles (121). The air duct (32) is provided with a plurality of air outlets (33).

4. The flue heat dissipation mechanism for a heat treatment furnace according to claim 1, characterized in that: The blocking section (11) of the gate plate (1) comprises a connecting plate (111) fixedly connected to the lifting section (12); the connecting plate (111) and the blocking plate (112) are fixedly connected via an anchor (113).

5. The flue heat dissipation mechanism for a heat treatment furnace according to claim 2, characterized in that: The steel wire rope (22) is fixedly connected to the center of the lifting ring (123) along the tangential direction of the second fixed pulley (15).

6. The flue heat dissipation mechanism for a heat treatment furnace according to claim 2, characterized in that: The steel wire rope (22) is made of stainless steel.

7. The flue heat dissipation mechanism for a heat treatment furnace according to claim 1, characterized in that: The materials of the suspension rod (122), the connecting plate (111) and the anchor (113) are all stainless steel.

8. The flue heat dissipation mechanism for a heat treatment furnace according to claim 1, characterized in that: The lifting mechanism (2), cooling mechanism (3) and fixing plate (13) are all provided with a lifting rod (4).