Furnace door opening and closing device in heating furnace

By designing a furnace door opening and closing device with controllable angle, the problem of heat leakage when adding small volume materials into the heating furnace is solved, and the effects of sealing and fuel saving are achieved.

CN223448938UActive Publication Date: 2025-10-17JIANGSU JINZHOU GENERAL MACHINERY CO LTD
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Patent Information

Application Number
CN202422488731.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-15
Publication Date
2025-10-17
Estimated Expiration
2034-10-15

AI Technical Summary

Technical Problem

When adding a small volume of material to an existing heating furnace, the furnace door is fully opened, causing heat leakage, resulting in fuel waste, and insufficient sealing.

Method used

A furnace door opening and closing device was designed. Through a control structure and a fixed structure, the angle of the furnace door can be controlled and the sealing performance can be enhanced. The device includes a cylindrical block, a rotating shaft, a motor-driven rotating connection and a sealing block to ensure that the furnace door is well sealed at different angles.

Benefits of technology

The invention reduces heat loss when adding small-volume substances, reduces fuel consumption, and improves the sealing performance and operation convenience of the heating furnace.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223448938U_ABST
Patent Text Reader

Abstract

The utility model discloses a furnace door opening and closing device in a heating furnace, which comprises a heating furnace main body, a square furnace door and a fixing structure are arranged on the front side of the heating furnace main body, control structures are arranged on the two sides of the heating furnace main body, each control structure comprises a cylindrical block, and the cylindrical blocks are fixedly connected to the outer side of the square furnace door. The number of the cylindrical blocks is two, the other ends of the cylindrical blocks are fixedly connected with cylindrical rods, the front side of the heating furnace body is fixedly connected with supporting blocks, and arc-shaped holes are formed in the outer sides of the supporting blocks. Through the arrangement of the control structure, a worker can control the angle of the square furnace door to add small-size substances for heating, the heat loss in the heating furnace is reduced, and therefore the use of fuel is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to heating furnace technical field especially relates to a furnace door opening and closing device in heating furnace. BACKGROUND

[0002] Heating furnaces are widely used in various industrial fields, such as petroleum, chemical industry, metallurgy and machinery industries, and its basic function is to heat materials or workpieces to a predetermined temperature to meet process requirements. The working environment of the heating furnace is usually harsh, and factors such as high temperature and dust put higher requirements on the equipment, especially the design and maintenance of the furnace door. The design of the furnace door needs to consider the sealing and the convenience of operation. Because the furnace door must be sealed when it is closed to prevent heat loss and maintain stable atmosphere in the furnace. At the same time, convenient operation can reduce labor intensity and improve production efficiency.

[0003] When the heating furnace is heating, some substances are also added for heating, regardless of the size of the volume, the furnace door of the heating furnace is completely opened, if the added substance is small in volume, the complete opening of the furnace door will leak a large amount of heat in the furnace, and then the workers need to add more fuel to complete the processing, which will cause waste of fuel. CONTENT OF THE UTILITY MODEL

[0004] In order to overcome the deficiency that the furnace door angle of the existing heating furnace cannot be opened at will, one of the purposes of the utility model is to provide a furnace door opening and closing device in a heating furnace.

[0005] One of the purposes of the utility model is achieved by adopting the following technical scheme: a furnace door opening and closing device in a heating furnace, comprising a heating furnace body: a square furnace door and a fixing structure are arranged on the front side of the heating furnace body, control structures are arranged on both sides of the heating furnace body;

[0006] The control structure comprises a cylindrical block, the cylindrical block is fixedly connected to the outer side of the square furnace door, the cylindrical block is provided with two, the other end of the cylindrical block is fixedly connected with a cylindrical rod, the front side of the heating furnace body is fixedly connected with a supporting block, an arc-shaped hole is formed in the outer side of the supporting block, a rotating shaft one is arranged in the arc-shaped hole, one end of the rotating shaft one is fixedly connected with the cylindrical rod, the outer side of the rotating shaft one is rotatably connected with a control block one, the outer side of the control block one is fixedly connected with a rotating shaft two, the outer side of the rotating shaft two is rotatably connected with a control block two, supporting blocks two are fixedly connected to the left and right sides of the heating furnace body, a motor two is fixedly connected to the upper side of the supporting block two, and a rotating shaft three is fixedly connected to the output end of the motor two. The furnace door is opened and closed at any angle, which is beneficial to the addition of substances by workers.

[0007] According to the one kind heating furnace in the furnace door opening and closing device, the outer side of the square furnace door is fixedly connected with sealing block.

[0008] According to the one kind heating furnace in the furnace door opening and closing device, the front side of the heating furnace body is fixedly connected with square block, the square block is provided with two, the square block is rotatably connected with the second rotating rod, the outer side of the second rotating rod is fixedly connected with rotating block, and the upper side of the rotating block is fixedly connected with the square furnace door.

[0009] According to the one kind heating furnace in the furnace door opening and closing device, the fixed structure includes support block one, the support block one is fixedly connected on the front side of the heating furnace body, the lower side of the support block one is fixedly connected with motor one, the output end of the motor one is fixedly connected with rotating rod one, the outer side of the rotating rod one is fixedly connected with clamping block, the upper side of the square furnace door is fixedly connected with fixed block, the outer side of the fixed block is provided with clamping groove, and the clamping block and the clamping groove are slidably connected.

[0010] According to the one kind heating furnace in the furnace door opening and closing device, the other end of the rotating rod one is rotatably connected with the heating furnace body.

[0011] According to the one kind heating furnace in the furnace door opening and closing device, the support block is provided with two.

[0012] According to the one kind heating furnace in the furnace door opening and closing device, the other end of the third rotating shaft passes through the control block two and is rotatably connected with the heating furnace body.

[0013] The above-mentioned scheme has the beneficial effects:

[0014] 1、Through the setting of the control structure, the angle of the square furnace door can be controlled by the worker to add small volume material for heating, so that the heat loss in the heating furnace is reduced, and the use of fuel is reduced.

[0015] 2、Through the setting of the fixed structure and the sealing block, the sealing effect of the square furnace door is further improved, and the heat loss is further reduced.

[0016] The additional aspects and advantages of the present application will be partially given in the following description, partially become obvious from the following description, or be understood by the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0017] The present application will be further described below in combination with the drawings and examples.

[0018] Figure 1 It is the structure schematic diagram of the whole front view of the furnace door opening and closing device in the heating furnace of the utility model;

[0019] Figure 2 It is the structure schematic diagram of the square furnace door of the furnace door opening and closing device in the heating furnace of the utility model;

[0020] Figure 3 It is the structure schematic diagram of the whole side view of the furnace door opening and closing device in the heating furnace of the utility model;

[0021] Figure 4 It is the structure schematic diagram of the partial control structure of the furnace door opening and closing device in the heating furnace of the utility model.

[0022] Legend:

[0023] 1, heating furnace main body;2, square furnace door;3, sealing block;4, fixed structure;401, support block one;402, motor one;403, rotating rod one;404, clamping block;405, fixed block;406, clamping groove;5, control structure;501, cylindrical block;502, cylindrical rod;503, support block;504, arc hole;505, rotating shaft one;506, control block one;507, rotating shaft two;508, control block two;509, rotating shaft three;510, support block two;511, motor two;6, square block;7, rotating rod two;8, rotating block. Specific embodiments

[0024] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0025] Reference Figures 1-4The utility model provides a kind of furnace door opening and closing device in heating furnace, including heating furnace main body 1: the front side of heating furnace main body 1 is provided with square furnace door 2 and fixed structure 4, the both sides of heating furnace main body 1 are provided with control structure 5, the outside of square furnace door 2 is fixedly connected with sealing block 3, control structure 5 includes cylindrical block 501, cylindrical block 501 is fixedly connected in the outside of square furnace door 2, cylindrical block 501 is provided with two, the other end of cylindrical block 501 is fixedly connected with cylindrical rod 502, the front side of heating furnace main body 1 is fixedly connected with support block 503, arc-shaped hole 504 is set in the outside of support block 503, arc-shaped hole 504 is provided with pivot one 505 inside, one end of pivot one 505 is fixedly connected with cylindrical rod 502, the outside of pivot one 505 is rotatably connected with control block one 506, control block one 506 is fixedly connected with pivot two 507 outside, pivot two 507 is rotatably connected with control block two 508 outside, the left and right sides of heating furnace main body 1 are fixedly connected with bracket block two 510, motor two 511 is fixedly connected on the upside of bracket block two 510, the output end of motor two 511 is fixedly connected with pivot three 509, support block 503 is provided with two, pivot three 509 is rotatably connected with control block two 508 and heating furnace main body 1, the front side of heating furnace main body 1 is fixedly connected with square block 6, square block 6 is provided with two, square block 6 is rotatably connected with rotating rod two 7, rotating rod two 7 is fixedly connected with rotating block 8 outside, the upside of rotating block 8 is fixedly connected with square furnace door 2, PLC controller and heating furnace main body 1, motor one 402, motor two 511 electrically connected, control component is conveniently controlled to work, when staff wants to add additional smaller volume material and heat, first open fixed structure 4, then start motor two 511, motor two 511 drives pivot three 509 counterclockwise rotation, pivot three 509 drives control block two 508 rotation, then control block two 508 drives pivot two 507 movement, pivot two 507 drives control block one 506 movement, control block one 506 drives pivot one 505 movement, then pivot one 505 drives cylindrical rod 502 movement, cylindrical rod 502 drives cylindrical block 501 movement, cylindrical block 501 drives rotating block 8 under the square furnace door 2 rotation, then square furnace door 2 opens a certain angle, stop motor two 511, after throwing substance can be done, this reduces the loss of heat, so as to reduce the use of fuel when heating again, more fuel is not wasted.

[0026] The fixed structure 4 comprises a support block one 401 fixedly connected to the front side of the heating furnace body 1, a motor one 402 fixedly connected to the lower side of the support block one 401, a rotating rod one 403 fixedly connected to the output end of the motor one 402, a clamping block 404 fixedly connected to the outer side of the rotating rod one 403, a fixed block 405 fixedly connected to the upper side of the square furnace door 2, a clamping groove 406 formed in the outer side of the fixed block 405, the clamping block 404 and the clamping groove 406 being in sliding connection, and the other end of the rotating rod one 403 being rotatably connected to the heating furnace body 1.

[0027] Working principle: during the heating process of the heating furnace body 1, the worker wants to add some small volume of material for heating in the furnace, at this time, the square furnace door 2 is directly opened to the angle suitable for the material by the control structure 5, then the material is thrown into the furnace for heating, and then the square furnace door 2 is closed, the heating furnace body 1 is sealed by the sealing block 3 first, and then the fixed structure 4 is used for secondary sealing, so as to reduce the heat loss and reduce the use of fuel.

[0028] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range possessed by ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A furnace door opening and closing device in a heating furnace, characterized in that: The heating furnace comprises a heating furnace body (1); a square furnace door (2) and a fixing structure (4) are provided on the front side of the heating furnace body (1); and control structures (5) are provided on both sides of the heating furnace body (1); The control structure (5) includes a cylindrical block (501), the cylindrical block (501) is fixedly connected to the outside of the square furnace door (2), two cylindrical blocks (501) are provided, the other end of the cylindrical block (501) is fixedly connected to a cylindrical rod (502), the front side of the heating furnace body (1) is fixedly connected to a support block (503), the outer side of the support block (503) is provided with an arc hole (504), the interior of the arc hole (504) is provided with a rotating shaft (505), one end of the rotating shaft (505) and the cylindrical rod (502) are fixedly connected. The column (502) is fixedly connected, the outer side of the rotating shaft (505) is rotatably connected to the control block (506), the outer side of the control block (506) is fixedly connected to the rotating shaft (507), the outer side of the rotating shaft (507) is rotatably connected to the control block (508), the left and right sides of the heating furnace body (1) are fixedly connected to the bracket block (510), the upper side of the bracket block (510) is fixedly connected to the motor (511), and the output end of the motor (511) is fixedly connected to the rotating shaft (509).

2. The furnace door opening and closing device in a heating furnace according to claim 1, characterized in that: A sealing block (3) is fixedly connected to the outer side of the square furnace door (2).

3. The furnace door opening and closing device in a heating furnace according to claim 1, characterized in that: The front side of the heating furnace body (1) is fixedly connected with a square block (6), two square blocks (6) are provided, a second rotating rod (7) is rotatably connected between the square blocks (6), a rotating block (8) is fixedly connected to the outer side of the second rotating rod (7), and the upper side of the rotating block (8) is fixedly connected to the square furnace door (2).

4. The furnace door opening and closing device in a heating furnace according to claim 1, characterized in that: The fixed structure (4) comprises a bracket block (401), the bracket block (401) is fixedly connected to the front side of the heating furnace body (1), the lower side of the bracket block (401) is fixedly connected to a motor (402), the output end of the motor (402) is fixedly connected to a rotating rod (403), the outer side of the rotating rod (403) is fixedly connected to a clamping block (404), the upper side of the square furnace door (2) is fixedly connected to a fixed block (405), the outer side of the fixed block (405) is provided with a clamping slot (406), and the clamping block (404) and the clamping slot (406) are slidably connected.

5. The furnace door opening and closing device in a heating furnace according to claim 4, characterized in that: The other end of the rotating rod (403) is rotatably connected to the heating furnace body (1).

6. The furnace door opening and closing device in a heating furnace according to claim 1, characterized in that: There are two supporting blocks (503).

7. The furnace door opening and closing device in a heating furnace according to claim 1, characterized in that: The other end of the rotating shaft 3 (509) passes through the control block 2 (508) and is rotatably connected to the heating furnace body (1).