Furnace door structure

Abstract

The utility model discloses a furnace door structure which comprises a furnace door plate body frame, and a reinforcing rib frame and a heat preservation module are arranged on the front side and the rear side of the furnace door plate body frame respectively. The top and the two side walls of the furnace door plate body frame are each provided with a plurality of side edge castings. The bottom of the furnace door plate body frame is provided with a plurality of bottom castings fixedly connected with the furnace door plate body frame. The side edge castings are sequentially arranged side by side in the front-back direction and are adjacently arranged, an inner groove is formed in each side edge casting, the inner grooves are sequentially surrounded and combined in the front-back direction to form an open groove, and packing is arranged in the open groove. The side edge castings with the inner grooves are arranged on the edges of the main body frame, so that the structural strength is high; the light-weight heat preservation module is used for heat preservation, and the heat preservation effect is good.

Description

Technical Field

[0001] The utility model belongs to the technical field of furnace doors, and particularly relates to a furnace door structure. Background Art

[0002] For heating and heat treatment furnaces in the metallurgy and machinery industries, when heating or heat treating large workpieces, high-strength furnace doors are usually required. In the existing furnace doors, the furnace door frames are prone to deformation during use, which affects the sealing effect of the furnace doors and increases the energy consumption of the furnace body. At the same time, the existing furnace doors often make linings for heat preservation by pouring refractory materials or laying heavy refractory bricks in the main frame, which will increase the overall weight of the furnace doors; the large overall weight of the furnace doors requires more power sources to control the lifting of the furnace doors, resulting in slow lifting speed and high manufacturing cost. Therefore, a furnace door structure with high strength and light weight is needed to overcome the above difficulties. Summary of the Invention

[0003] In view of the problems existing in the prior art, the utility model designs a furnace door structure. The utility model sets side castings with inner grooves at the edges of the main frame, which has high structural strength; and uses lightweight heat preservation modules for heat preservation, with good heat preservation effect.

[0004] The invention purpose of the utility model is realized through the following technical solutions: a furnace door structure includes a main frame of the furnace door panel. Reinforcing rib frames and heat preservation modules are respectively arranged on the front and rear sides of the main frame of the furnace door panel; a plurality of side castings are arranged on the top and two side walls of the main frame of the furnace door panel, and a plurality of bottom castings fixedly connected with the main frame of the furnace door panel are arranged at the bottom of the main frame of the furnace door panel; each of the side castings is arranged side by side and adjacent to each other in sequence front and back, each of the side castings is provided with an inner groove, and the inner grooves surround and combine with each other in sequence front and back to form an open groove, and packing is arranged in the open groove.

[0005] Preferably, a first fastener for fixing the two is arranged between each side casting and the main frame of the furnace door panel, and the end faces of the side casting and the main frame of the furnace door panel are mutually attached. By arranging the first fastener, it is convenient to fix the side casting and the main frame of the furnace door panel to each other.

[0006] Preferably, a plurality of first reinforcing ribs are arranged on the side casting and are arranged side by side and adjacent to each other. By arranging the first reinforcing ribs, the structural strength of the side casting is higher.

[0007] Preferably, the side casting is heat-resistant cast iron. The side casting has good heat resistance and high structural strength, and the model of the heat-resistant cast iron is RQTSi5.

[0008] Preferably, the opening groove is in a U shape, and the outer contour of the opening groove matches the outer contour of the packing; the thickness of the packing is greater than the depth of the opening groove. In this way, the packing can just be placed in the opening groove, and when the furnace door closes the furnace body, the packing can achieve a good sealing effect.

[0009] Preferably, the reinforcing rib frame is rectangular, and the outer contour of the reinforcing rib frame matches the outer contour of the main frame of the furnace door panel. By setting the reinforcing rib frame, the main frame of the furnace door panel has better structural strength.

[0010] Preferably, the main frame of the furnace door panel includes a central door panel, and several second reinforcing ribs are provided at the end of the central door panel facing the heat preservation module, and the second reinforcing ribs are arranged close to the edge of the central door panel.

[0011] By setting the second reinforcing ribs, the central door panel has better structural strength and avoids deformation of the central door panel.

[0012] Preferably, the heat preservation module is installed on the main frame of the furnace door panel and is arranged adjacent to the packing; both the packing and the heat preservation module are ceramic fibers. Ceramic fibers are light in weight, can keep warm and have a good sealing effect.

[0013] Preferably, locking guide rails are arranged in pairs on the left and right sides of the main frame of the furnace door panel, and the locking guide rails are arranged parallel to the side walls of the main frame of the furnace door panel. By setting the locking guide rails, it is convenient to limit and guide the furnace door during lifting and avoid jamming during the lifting process of the furnace door.

[0014] Preferably, two pairs of chain assemblies are provided at the top of the main frame of the furnace door panel, and an installation bracket fixedly connected thereto is provided at the top of the main frame of the furnace door panel, and the chain assemblies are installed on the installation brackets. By setting the chain assemblies, it is convenient to connect the chain assemblies to an external power source, such as a motor, so that the furnace door can be lifted and lowered by driving the chain assemblies to wind up through the motor.

[0015] Compared with the prior art, the utility model has the following beneficial effects: 1. The side castings have good heat resistance and high structural strength, can strengthen the structural strength of the main frame of the furnace door panel, and avoid deformation of the frame of the main frame of the furnace door panel; 2. The inner grooves on the side castings surround and combine in sequence to form an opening groove, which is convenient to place the packing in the opening groove, so that the furnace door has better sealing performance during use. 3. The heat preservation module is light in weight and has a good heat preservation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a three-dimensional view of the utility model;

[0017] Figure 2 is a three-dimensional view of another perspective of the utility model;

[0018] Figure 3 is the exploded view of the present utility model;

[0019] Figure 4 is the exploded view of another perspective of the present utility model;

[0020] Figure 5 is the schematic diagram of hiding the insulation module and packing of the present utility model;

[0021] Markings in the figure: 1. Main frame of the furnace door panel; 101. Central door panel; 2. Reinforcement frame; 3. Insulation module; 4. Side casting; 41. Inner groove; 42. First reinforcement rib; 5. Bottom casting; 6. Open groove; 7. Packing; 8. First fastener; 9. Second reinforcement rib; 10. Locking guide rail; 11. Chain assembly; 12. Mounting bracket. Specific embodiments

[0022] The present utility model will be further described below in conjunction with the embodiments shown in the drawings:

[0023] As Figures 1 to 5 shown, this embodiment discloses a furnace door structure, including a main frame 1 of the furnace door panel. Reinforcement frames 2 and insulation modules 3 are respectively arranged on the front and rear sides of the main frame 1 of the furnace door panel; a plurality of side castings 4 are arranged on the top and two side walls of the main frame 1 of the furnace door panel, and a plurality of bottom castings 5 fixedly connected thereto are arranged at the bottom of the main frame 1 of the furnace door panel; each of the side castings 4 is arranged side by side and adjacent to each other in sequence, and each side casting 4 is provided with an inner groove 41. Each of the inner grooves 41 surrounds and combines in sequence to form an open groove 6, and a packing 7 is arranged in the open groove 6.

[0024] A first fastener 8 for fixing the two is arranged between each side casting 4 and the main frame 1 of the furnace door panel, and the end faces of the side casting 4 and the main frame 1 of the furnace door panel are arranged in mutual fit. A plurality of first reinforcement ribs 42 are arranged side by side and adjacent to each other on the side casting 4. The side casting 4 is made of heat-resistant cast iron. The open groove 6 is in a U shape, and the outer contour of the open groove 6 matches the outer contour of the packing 7; the thickness of the packing 7 is set to be greater than the depth of the open groove 6. The reinforcement frame 2 is in a rectangular shape, and the outer contour of the reinforcement frame 2 matches the outer contour of the main frame 1 of the furnace door panel. The main frame 1 of the furnace door panel includes a central door panel 101, and a plurality of second reinforcement ribs 9 are arranged at the end of the central door panel 101 facing the insulation module 3, and the second reinforcement ribs 9 are arranged close to the edge of the central door panel 101. The insulation module 3 is installed on the main frame 1 of the furnace door panel and is arranged adjacent to the packing 7; both the packing 7 and the insulation module 3 are made of ceramic fiber.

[0025] On the left and right sides of the main frame 1 of the furnace door panel, there are locking guide rails 10 arranged in pairs, and the locking guide rails 10 are arranged parallel to the side walls of the main frame 1 of the furnace door panel. At the top of the main frame 1 of the furnace door panel, there are two pairs of chain assemblies 11, and at the top of the main frame 1 of the furnace door panel, there is a mounting bracket 12 fixedly connected thereto, and the chain assemblies 11 are mounted on the mounting bracket 12.

[0026] The specific operation process of this embodiment is as follows. Connect the main frame 1 of the furnace door panel to the motor through the chain assembly 11. First, install the side castings 4 on the top and side of the main frame 1 of the furnace door panel in sequence through the first fasteners 8; then install the bottom casting 5 at the bottom of the main frame 1 of the furnace door panel. After the side castings 4 are installed in sequence, the inner grooves 41 on the side castings 4 surround and combine to form an open groove 6 in sequence, and then install the packing 7 in the open groove 6. Then install the heat preservation module 3 on the side of the main frame 1 of the furnace door panel where the packing 7 is provided. The heat preservation module 3 is made of ceramic fiber, which has good heat preservation effect and light weight. The side casting 4 is provided with a first reinforcing rib 42 and an inner groove 41, and the overall structural strength of the side casting 4 is high. At the same time, the side casting 4 is made of heat-resistant cast iron, and the overall heat-resistant effect is better.

[0027] The specific embodiments described in the text are only examples to illustrate the spirit of the present invention. Those skilled in the technical field to which the present invention pertains can make various modifications or supplements to the described specific embodiments or use similar methods to replace them, but will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. A furnace door structure, comprising a main frame (1) of a furnace door panel, characterized in that, Reinforcing rib frames (2) and thermal insulation modules (3) are respectively provided on the front and rear sides of the main frame (1) of the furnace door panel; a plurality of side castings (4) are provided on the top and two side walls of the main frame (1) of the furnace door panel, and a plurality of bottom castings (5) fixedly connected thereto are provided at the bottom of the main frame (1) of the furnace door panel; each of the side castings (4) is arranged side by side and adjacent to each other in sequence, each of the side castings (4) is provided with an inner groove (41), and each of the inner grooves (41) surrounds and combines in sequence to form an open groove (6), and a packing (7) is arranged in the open groove (6).

2. The furnace door structure according to claim 1, characterized in that, A first fastener (8) for fixing the two is provided between each of the side castings (4) and the main frame (1) of the furnace door panel, and the end faces of the side casting (4) and the main frame (1) of the furnace door panel are arranged to fit each other.

3. The furnace door structure according to claim 2, characterized in that, A plurality of first reinforcing ribs (42) arranged side by side and adjacent to each other are provided on the side casting (4).

4. The furnace door structure according to claim 2, characterized in that, The side casting (4) is made of heat-resistant cast iron.

5. The furnace door structure according to claim 1, characterized in that The open groove (6) is in a U shape, and the outer contour of the open groove (6) matches the outer contour of the packing (7); the thickness of the packing (7) is set to be greater than the depth of the open groove (6).

6. The furnace door structure according to claim 1, characterized in that, The reinforcing rib frame (2) is in a rectangular shape, and the outer contour of the reinforcing rib frame (2) matches the outer contour of the main frame (1) of the furnace door panel.

7. The furnace door structure according to claim 1, characterized in that, The main frame (1) of the furnace door panel includes a central door panel (101), and a plurality of second reinforcing ribs (9) are provided at the end of the central door panel (101) facing the thermal insulation module (3), and the second reinforcing ribs (9) are arranged close to the edge of the central door panel (101).

8. The furnace door structure according to claim 1, characterized in that The thermal insulation module (3) is installed on the main frame (1) of the furnace door panel and is arranged adjacent to the packing (7); both the packing (7) and the thermal insulation module (3) are made of ceramic fiber.

9. The furnace door structure according to claim 1, characterized in that, Locking guide rails (10) are arranged in pairs on the left and right sides of the main frame (1) of the furnace door panel, and the locking guide rails (10) are arranged parallel to the side walls of the main frame (1) of the furnace door panel.

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