Furnace door structure for smelting furnace

Abstract

The utility model discloses a furnace door structure for a smelting furnace in the technical field of smelting furnaces, which comprises a smelting furnace main body and a main furnace door, the side edge of the smelting furnace main body is provided with a furnace door outer frame, the inner side of the furnace door outer frame is provided with an auxiliary furnace door, and the inner side of the auxiliary furnace door is provided with the main furnace door. The main furnace door is connected with the upper portion of the smelting furnace body through hinges, an upper hinge seat is fixedly installed in the middle of the top of the smelting furnace body, a lower hinge seat is installed at the position, close to the lower portion, of the outer side of the main furnace door, and a hydraulic cylinder is installed between the upper hinge seat and the lower hinge seat. The smelting furnace door structure is provided with the furnace door outer frame, the auxiliary furnace door and the main furnace door, the main furnace door and the auxiliary furnace door as well as the auxiliary furnace door and the furnace door outer frame can be fixed or separated, the main furnace door can be independently opened, the main furnace door and the auxiliary furnace door can be synchronously opened, and the use requirements in different states can be met.

Description

Technical Field

[0001] The utility model belongs to the technical field of smelting furnaces, and in particular relates to a furnace door structure for a smelting furnace. Background Art

[0002] A smelting furnace refers to a device that melts metal ingots and some scrap metals and adds necessary alloy components, and then smelts them into the required alloys through operations such as slagging and refining. The furnace door is an important part of the smelting furnace. The opening and closing of the furnace door enables the transportation of materials and the internal maintenance of the smelting furnace. Most of the existing smelting furnace doors are left-right opening and closing structures or up-and-down lifting structures. For large-sized smelting furnaces, a track structure is usually provided to facilitate the transportation of materials in and out. The left-right opening and closing furnace door structure cannot be adapted to the conveying track, while the smelting furnace door with an up-and-down lifting structure is provided with a lifting track. In order to have enough lifting space, the track structure is larger than the size of the smelting furnace, and there is a moving gap between the furnace door of the lifting structure and the smelting furnace and the lifting track, which has a certain impact on the sealing of the inside of the smelting furnace, causing the heat of the smelting furnace to escape to the outside, increasing the energy consumption rate of the smelting furnace.

[0003] In view of this, the present utility model is proposed. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a furnace door structure for a smelting furnace. To solve the above technical problems, the basic concept of the technical solution adopted by the utility model is:

[0005] A furnace door structure for a smelting furnace, comprising a smelting furnace body and a main furnace door, a furnace door outer frame is installed on the side of the smelting furnace body, an auxiliary furnace door is arranged on the inner side of the furnace door outer frame, the main furnace door is arranged on the inner side of the auxiliary furnace door, the main furnace door is connected to the upper part of the smelting furnace body through a hinge, an upper hinge seat is fixedly installed at the middle position of the top of the smelting furnace body, a lower hinge seat is installed at the outer side of the main furnace door near the lower part, a hydraulic cylinder is installed between the upper hinge seat and the lower hinge seat, and the smelting furnace A conveying track is provided at the bottom of the main body extending to the outside of the smelting furnace body, a track matching groove is provided at the matching position between the lower end of the main furnace door and the conveying track, a track matching sealing block is provided in the track matching groove, upper sealing matching bosses are provided on both sides of the main furnace door, a lower sealing matching boss is provided on the side of the auxiliary furnace door close to the main furnace door, a matching clamping block is provided on the bottom surface of the upper sealing matching boss, a matching clamping groove is provided on the upper plane of the lower sealing matching boss, and a matching sealing gasket is provided in the matching clamping groove.

[0006] As a further solution of the present invention: the matching card slot is designed as a trapezoidal structure, the size specification of the matching card block is compatible with the size specification of the matching card slot, and the matching sealing gasket is made of high temperature resistant material, which is used to enhance the sealing of the auxiliary furnace door and the main furnace door.

[0007] As a further solution of the utility model: the upper end of the hydraulic cylinder is fixedly connected to the upper rotating mating end head, the upper rotating mating end head is rotatably connected to the upper hinge seat, the telescopic rod end head of the hydraulic cylinder is fixedly provided with a lower rotating mating end head, the lower rotating mating end head is rotatably connected to the lower hinge seat, and the hydraulic cylinder is used to realize the opening and closing action of the main furnace door.

[0008] As a further solution of the utility model: a matching protrusion is provided in the middle position of the track matching sealing block, and the size of the matching protrusion is adapted to the track groove of the conveying track, so as to enhance the sealing performance of the matching point between the main furnace door and the conveying track.

[0009] As a further solution of the utility model: fixed connection female seats are fixedly installed on both sides of the main furnace door, fixed connection male seats are arranged at positions corresponding to the fixed connection female seats on the auxiliary furnace door, and the fixed connection male seats are matched with plug-in rods, and a fixed connection structure consisting of the fixed connection female seat, the fixed connection male seat and the plug-in rod of the same specification is arranged between the furnace door outer frame and the auxiliary furnace door for locking the relative position.

[0010] As a further solution of the utility model: a sealing structure consisting of the lower sealing mating boss, the upper sealing mating boss, the mating block, the mating slot and the mating sealing gasket is arranged between the outer side of the auxiliary furnace door and the inner side of the furnace door outer frame, which is used to enhance the sealing performance between the auxiliary furnace door and the furnace door outer frame.

[0011] After adopting the above technical scheme, the utility model has the following beneficial effects compared with the prior art.

[0012] The smelting furnace door structure of the utility model is provided with a furnace door outer frame, an auxiliary furnace door and a main furnace door. The main furnace door and the auxiliary furnace door, as well as the auxiliary furnace door and the furnace door outer frame can be fixed or separated. The main furnace door can be opened alone, and the main furnace door and the auxiliary furnace door can be opened synchronously, which can meet the usage requirements under different conditions.

[0013] The main furnace door of the utility model is designed for a flip-open structure, and a track matching groove and a track matching sealing block matched with the conveying track are provided at the lower end of the main furnace door to ensure the sealing with the conveying track, and the opening angle of the main furnace door can be adapted according to the height of the conveyed material without being fully opened, and sealing devices are provided at the matching positions between the main furnace door, the auxiliary furnace door, the furnace door outer frame, and the smelting furnace body to ensure the sealing inside the smelting furnace body, thereby reducing the energy consumption of the smelting furnace body.

[0014] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are part of this application and are used to provide a further understanding of the utility model. The schematic embodiments of the utility model and their descriptions are used to explain the utility model, but do not constitute an improper limitation on the utility model. Obviously, the drawings described below are only some embodiments. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. In the drawings:

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is the front view of the utility model;

[0018] Figure 3 This is a side view of the furnace door of the utility model in an open state;

[0019] Figure 4 This is a side view of the furnace door of the utility model in a closed state;

[0020] Figure 5 It is a schematic diagram of the connection between the main furnace door and the auxiliary furnace door of the utility model.

[0021] In the figure: 1. Melting furnace body; 2. Furnace door outer frame; 3. Auxiliary furnace door; 4. Main furnace door; 5. Conveying track; 6. Track matching groove; 7. Track matching sealing block; 8. Upper hinge seat; 9. Lower hinge seat; 10. Upper rotating matching end; 11. Lower rotating matching end; 12. Hydraulic cylinder; 13. Hinge; 14. Fixed connection female seat; 15. Fixed connection male seat; 16. Connecting rod; 17. Lower sealing matching boss; 18. Upper sealing matching boss; 19. Matching block; 20. Matching slot; 21. Matching sealing gasket.

[0022] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model but are not used to limit the scope of the utility model.

[0024] like Figures 1 to 5 As shown, a furnace door structure for a smelting furnace comprises a smelting furnace body 1 and a main furnace door 4. A furnace door outer frame 2 is installed on the side of the smelting furnace body 1, an auxiliary furnace door 3 is arranged on the inner side of the furnace door outer frame 2, and a main furnace door 4 is arranged on the inner side of the auxiliary furnace door 3. The main furnace door 4 is connected to the upper part of the smelting furnace body 1 through a hinge 13. An upper hinge seat 8 is fixedly installed at the middle position of the top of the smelting furnace body 1, and a lower hinge seat 9 is installed at the outer side of the main furnace door 4 near the lower part. A hydraulic cylinder 12 is installed between the upper hinge seat 8 and the lower hinge seat 9. The bottom of the smelting furnace body 1 A conveying track 5 is arranged on the outside of the smelting furnace body 1, and a track matching groove 6 is arranged at the matching position between the lower end of the main furnace door 4 and the conveying track 5. A track matching sealing block 7 is arranged in the track matching groove 6, and upper sealing matching bosses 18 are arranged on both sides of the main furnace door 4, and a lower sealing matching boss 17 is arranged on the side of the auxiliary furnace door 3 close to the main furnace door 4. A matching clamping block 19 is arranged on the bottom surface of the upper sealing matching boss 18, and a matching clamping groove 20 is arranged on the upper plane of the lower sealing matching boss 17, and a matching sealing gasket 21 is arranged in the matching clamping groove 20.

[0025] Among them, the matching slot 20 is designed as a trapezoidal structure, the size specifications of the matching block 19 are compatible with the size specifications of the matching slot 20, and the matching sealing gasket 21 is made of high temperature resistant material to enhance the sealing performance of the auxiliary furnace door 3 and the main furnace door 4.

[0026] The upper end of the hydraulic cylinder 12 is fixedly connected to the upper rotating mating end 10, and the upper rotating mating end 10 is rotatably connected to the upper hinge seat 8. The telescopic rod end of the hydraulic cylinder 12 is fixedly provided with a lower rotating mating end 11, and the lower rotating mating end 11 is rotatably connected to the lower hinge seat 9. The hydraulic cylinder 12 is used to realize the opening and closing action of the main furnace door 4.

[0027] A matching protrusion is provided in the middle of the track matching sealing block 7 , and the size of the matching protrusion is matched with the track groove of the conveying track 5 , so as to enhance the sealing performance of the matching point between the main furnace door 4 and the conveying track 5 .

[0028] A fixed connection female seat 14 is fixedly installed on both sides of the main furnace door 4, and a fixed connection male seat 15 is arranged at a position corresponding to the fixed connection female seat 14 on the auxiliary furnace door 3, and a plug-in rod 16 is matched on the fixed connection male seat 15. A fixed connection structure composed of a fixed connection female seat 14, a fixed connection male seat 15 and a plug-in rod 16 of the same specification is arranged between the furnace door outer frame 2 and the auxiliary furnace door 3 for locking the relative position.

[0029] A sealing structure consisting of a lower sealing mating boss 17, an upper sealing mating boss 18, a mating block 19, a mating slot 20 and a mating sealing gasket 21 is arranged between the outer side of the auxiliary furnace door 3 and the inner side of the furnace door outer frame 2 to enhance the sealing performance between the auxiliary furnace door 3 and the furnace door outer frame 2.

[0030] The working principle of the utility model is: the material to be smelted is transported to the smelting furnace body 1 along the conveying track 5 by a mobile vehicle, and the opening of the furnace door is determined according to the width of the transported material;

[0031] If the width of the material to be smelted is small, the fixed connection female seat 14 and the fixed connection male seat 15 between the main furnace door 4 and the auxiliary furnace door 3 are unlocked, and the telescopic rod of the hydraulic cylinder 12 is contracted, which can drive the main furnace door 4 to rotate along the corresponding hinge 13 to open the main furnace door 4. The tilt angle of opening can be set according to the height of the material. When the overall height of the material is low, a small angle of tilt can be opened to meet the feeding requirements, which can reduce the heat loss in the smelting furnace body 1;

[0032] When the width of the material to be smelted is relatively large, greater than the width of the main furnace door 4, the fixed connection female seat 14 and the fixed connection male seat 15 between the main furnace door 4 and the auxiliary furnace door 3 are kept in a locked state, and the fixed connection female seat 14 and the fixed connection male seat 15 between the auxiliary furnace door 3 and the furnace door outer frame 2 are unlocked, and the telescopic rod of the hydraulic cylinder 12 is contracted, which can drive the main furnace door 4 and the auxiliary furnace door 3 to rotate synchronously along the corresponding hinges 13, so that the main furnace door 4 and the auxiliary furnace door 3 are opened synchronously, so that the material can smoothly enter the smelting furnace body 1;

[0033] The smelting furnace door is a graded and combined opening structure, which can meet the feeding and use requirements of different materials. At the same time, by controlling the opening size and opening state of the furnace door, the heat loss in the smelting furnace body 1 can be reduced; the lower part of the main furnace door 4 is provided with a track adapting groove adapted to the conveying track 5, and a track matching sealing block 7 is provided in the track adapting groove. The track matching sealing block 7 is made of high-temperature resistant material, which can effectively ensure the sealing of the main furnace door 4 in the closed state. At the same time, upper sealing matching bosses 18 are symmetrically arranged on both sides of the main furnace door 4, and a lower sealing matching boss 17 is arranged on the side of the auxiliary furnace door 3 close to the main furnace door 4. A matching clamping block 19 is arranged on the upper sealing matching boss 18, and a matching clamping groove 20 is arranged on the lower sealing matching boss 17, and a matching sealing gasket 21 is arranged in the matching clamping groove 20. The setting of the above-mentioned sealing matching structure can effectively improve the sealing of the matching between the main furnace door 4 and the auxiliary furnace door 3;

[0034] The same sealing structure consisting of a lower sealing mating boss 17, an upper sealing mating boss 18, a mating block 19, a mating slot 20 and a mating sealing gasket 21 is also provided between the furnace door outer frame 2 and the auxiliary furnace door 3. The hydraulic cylinder 12 is equipped with a hydraulic pump, a hydraulic pipeline, a control valve and other related components to ensure that the hydraulic cylinder 12 can achieve corresponding functions and actions;

[0035] The smelting furnace door structure of the utility model is provided with a furnace door outer frame 2, an auxiliary furnace door 3 and a main furnace door 4. The main furnace door 4 and the auxiliary furnace door 3, as well as the auxiliary furnace door 3 and the furnace door outer frame 2 can be fixed or separated, so that the main furnace door 4 can be opened separately, and the main furnace door 4 and the auxiliary furnace door 3 can be opened synchronously, which can meet the use requirements in different states. The main furnace door 4 is designed as a flip opening structure. The lower end of the main furnace door 4 is provided with a track matching groove 6 and a track matching sealing block 7 matched with the conveying track 5 to ensure the sealing with the conveying track 5, and the opening angle of the main furnace door 4 can be adapted according to the height of the conveyed material without being fully opened. The matching positions of the main furnace door 4, the auxiliary furnace door 3, the furnace door outer frame 2, and the smelting furnace body 1 are all provided with sealing devices to ensure the sealing inside the smelting furnace body 1, thereby reducing the energy consumption of the smelting furnace body 1.

[0036] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model has been disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this patent can make some changes or modify the technical content suggested above into an equivalent embodiment with equivalent changes without departing from the scope of the technical solution of the utility model. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the content of the technical solution of the utility model still falls within the scope of the solution of the utility model.

Claims

1. A furnace door structure for a smelting furnace, comprising a smelting furnace body (1) and a main furnace door (4), characterized in that: A furnace door outer frame (2) is installed on the side of the smelting furnace body (1), an auxiliary furnace door (3) is arranged on the inner side of the furnace door outer frame (2), and the main furnace door (4) is arranged on the inner side of the auxiliary furnace door (3). The main furnace door (4) is connected to the upper part of the smelting furnace body (1) via a hinge (13). An upper hinge seat (8) is fixedly installed at the middle position of the top of the smelting furnace body (1), and a lower hinge seat (9) is installed at the outer side of the main furnace door (4) near the lower part. A hydraulic cylinder (12) is installed between the upper hinge seat (8) and the lower hinge seat (9). The bottom of the smelting furnace body (1) extends to the outside of the smelting furnace body (1). A conveying track (5) is arranged on the side of the auxiliary furnace door (3); a track matching groove (6) is arranged at the matching position between the lower end of the main furnace door (4) and the conveying track (5); a track matching sealing block (7) is arranged in the track matching groove (6); upper sealing matching bosses (18) are arranged on both sides of the main furnace door (4); a lower sealing matching boss (17) is arranged on the side of the auxiliary furnace door (3) close to the main furnace door (4); a matching clamping block (19) is arranged on the bottom surface of the upper sealing matching boss (18); a matching clamping groove (20) is arranged on the upper plane of the lower sealing matching boss (17); and a matching sealing gasket (21) is arranged in the matching clamping groove (20).

2. A furnace door structure for a smelting furnace according to claim 1, characterized in that: The matching card slot (20) is of trapezoidal structure design, the size of the matching card block (19) is compatible with the size of the matching card slot (20), and the matching sealing pad (21) is made of high temperature resistant material.

3. A furnace door structure for a smelting furnace according to claim 2, characterized in that: The upper end of the hydraulic cylinder (12) is fixedly connected to an upper rotating mating end head (10), and the upper rotating mating end head (10) is rotatably connected to the upper hinge seat (8). A lower rotating mating end head (11) is fixedly provided at the end of the telescopic rod of the hydraulic cylinder (12), and the lower rotating mating end head (11) is rotatably connected to the lower hinge seat (9).

4. A furnace door structure for a smelting furnace according to claim 3, characterized in that: A matching protrusion is provided at the middle position of the track matching sealing block (7), and the size of the matching protrusion is compatible with the track groove of the conveying track (5).

5. A furnace door structure for a smelting furnace according to claim 4, characterized in that: A fixed connection female seat (14) is fixedly installed on both sides of the main furnace door (4); a fixed connection male seat (15) is arranged at a position on the auxiliary furnace door (3) corresponding to the fixed connection female seat (14); a plug-in rod (16) is matched with the fixed connection male seat (15); and a fixed connection structure consisting of the fixed connection female seat (14), the fixed connection male seat (15) and the plug-in rod (16) of the same specification is arranged between the furnace door outer frame (2) and the auxiliary furnace door (3).

6. A furnace door structure for a smelting furnace according to claim 5, characterized in that: A sealing structure consisting of the lower sealing mating boss (17), the upper sealing mating boss (18), the mating clamping block (19), the mating clamping groove (20) and the mating sealing gasket (21) is provided between the outer side of the auxiliary furnace door (3) and the inner side of the furnace door outer frame (2).

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