Efficient formwork erecting device for blast furnace iron notch duct

Abstract

The utility model discloses an efficient mold erecting device of a blast furnace iron notch channel, which relates to the technical field of blast furnace iron notch channels, and particularly comprises a lower mold brick and an upper mold brick, the inner sides of the lower mold brick and the upper mold brick are provided with annular grooves and are fixedly connected with a thermal insulation layer, and the inner side of the thermal insulation layer is fixedly connected with a refractory layer; a storage groove is formed in the top of one end of the upper mold brick, a limiting frame is slidably connected into the storage groove, and fixing columns are fixedly connected to the left side and the right side of the lower mold brick and the left side and the right side of the upper mold brick correspondingly. The upper mold brick and the lower mold brick which are adjacent can be tightly attached in multiple aspects, the gap between the two mold bricks is reduced, the weight of the device is reduced through the hollow groove, carrying construction is convenient, efficiency is improved, and the problems that traditional mold erecting efficiency is low, the installation precision of a mold plate is difficult to guarantee, and the mold plate is not firmly fixed are solved. The problems lead to unstable forming quality of the iron notch duct, and the construction cost and time are increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to blast furnace iron mouth hole channel technical field, concretely is a kind of blast furnace iron mouth hole channel's high -efficient formwork device. BACKGROUND

[0002] In the process of blast furnace ironmaking, the iron mouth is an important channel for discharging molten iron and slag from the blast furnace. The forming quality of the iron mouth hole directly affects the service life of the iron mouth and the normal production of the blast furnace.

[0003] At present, in the construction process of the iron mouth hole, the formwork is a key link, and the traditional formwork method has some problems, such as low formwork efficiency, difficult to guarantee the installation precision of the formwork, and the formwork is not fixed firmly, etc. These problems lead to unstable forming quality of the iron mouth hole, increase the construction cost and time, and the service life of the formwork is not too long due to long-time contact with molten iron, but the service life of each formwork is not the same due to different contact positions with molten iron, and it is not easy to replace the damaged formwork alone to reduce labor and formwork cost. SUMMARY

[0004] (I) Technical problem solved

[0005] In view of the deficiencies of the prior art, the utility model provides a kind of high -efficient formwork of blast furnace iron mouth hole, solves the problems raised in the above background art.

[0006] (II) Technical scheme

[0007] To achieve the above purpose, the utility model is realized by the following technical scheme: including lower mould brick and upper mould brick The inner side of the lower mould brick and the upper mould brick is provided with annular groove and is fixedly connected with temperature insulation layer, the inner side of the temperature insulation layer is fixedly connected with refractory layer, the top of one end of the upper mould brick is provided with receiving slot, the inside of the receiving slot is slidably connected with limiting frame, the left and right sides of the lower mould brick and the upper mould brick are fixedly connected with fixed column, the outer side of the fixed column is rotatably connected with rotating plate, the left and right sides of the lower mould brick and the upper mould brick are fixedly connected with fixed frame.

[0008] Optionally, the top of the lower mould brick is provided with positioning groove on both sides, and the top of the upper mould brick is fixedly connected with positioning block matched with the lower mould brick.

[0009] Optionally, the inner side of the temperature insulation layer is made of ceramic fiber, and the outer side of the temperature insulation layer is made of rock wool.

[0010] Optionally, the inner side of the refractory layer is made of silicon carbide-based material, and the outer side of the refractory layer is made of carbon brick.

[0011] Optionally, the material of the lower mold brick and the upper mold brick is light clay, rock wool is filled between the positioning block and the positioning groove, and the hollow grooves are arranged in the lower mold brick and the upper mold brick.

[0012] Optionally, the top of the limiting frame is in the shape of an I-beam, and the top of the end of the upper mold brick away from the accommodation groove is provided with a limiting groove matched with the limiting frame.

[0013] Optionally, the thread holes are arranged in the inner portions of the rotating plates, the positioning bolts are threadedly connected to the thread holes of the rotating plates, and the through holes matched with the positioning bolts are arranged in the inner portions of the fixing frames.

[0014] The utility model provides a high -efficient formwork support device of blast furnace iron mouth hole, has the following beneficial effect:

[0015] 1、this high -efficient formwork support device of blast furnace iron mouth hole, through the setting of lower mold brick, upper mold brick, positioning groove, positioning block, hollow groove, limiting frame, limiting groove, fixed frame, rotating plate and positioning bolt, when the device can be adjacent upper mold brick and lower mold brick are closely attached in many aspects to the iron mouth hole and support the mold, reduce the gap between two mold bricks, and the weight of the device is reduced through the hollow groove, convenient to carry construction, increase efficiency, solve the traditional formwork support efficiency, the installation precision of formwork is difficult to guarantee, the formwork is not firm and so on, these problems lead to the forming quality of iron mouth hole is unstable, increase the construction cost and time's problem.

[0016] 2、this high -efficient formwork support device of blast furnace iron mouth hole, through the setting of upper mold brick, lower mold brick, accommodation groove, limiting frame, fixed column and fixed frame, when the device can be any one upper mold brick or lower mold brick is disassembled and replaces new upper mold brick and lower mold brick, and when operating can some components are recycled, reduce the cost of the device, solve the formwork because of the contact position with molten iron is not one, the service life of each formwork also will not be same, not easy to replace the damaged formwork alone, thereby reduce the labor intensity and formwork cost's problem. ACCURACY OF DRAWINGS

[0017] Figure 1 It is the structure schematic diagram of the lower mold brick of the utility model;

[0018] Figure 2 It is the structure schematic diagram of the lower mold brick of the utility model;

[0019] Figure 3 It is the structure schematic diagram of the lower mold brick of the utility model;

[0020] Figure 4 It is the structure schematic diagram of the upper mold brick of the utility model;

[0021] Figure 5It is a structure schematic view of the utility model from side view.

[0022] Figure 6 It is a structure schematic view of the utility model from side view.

[0023] In the drawing: 1, lower mold brick; 2, upper mold brick; 3, positioning groove; 4, positioning block; 5, hollow groove; 6, temperature insulation layer; 7, refractory layer; 8, storage groove; 9, limiting frame; 10, limiting groove; 11, fixed column; 12, rotating plate; 13, fixed frame; 14, positioning bolt. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0025] EMBODIMENT

[0026] Please refer to Figures 1 to 3 The utility model provides technical scheme includes lower mold brick 1 and upper mold brick 2, and its characterized in that: the inside of lower mold brick 1 and upper mold brick 2 is all set up annular groove and is fixedly connected with temperature insulation layer 6, the inside of temperature insulation layer 6 is fixedly connected with refractory layer 7, the top of one end of upper mold brick 2 is set up storage groove 8, the inside of storage groove 8 is slidably connected with limiting frame 9, the left and right sides of lower mold brick 1 and upper mold brick 2 are fixedly connected with fixed column 11, the outside of fixed column 11 is rotatably connected with rotating plate 12, and the left and right sides of lower mold brick 1 and upper mold brick 2 are fixedly connected with fixed frame 13.

[0027] Specifically, when the iron mouth hole is supported, the adjacent upper mold brick 2 and lower mold brick 1 can be closely attached in multiple aspects, the gap between the two mold bricks is reduced, the weight of the device is reduced through the hollow groove 5, the construction is facilitated, the efficiency is increased, the problems of low traditional supporting efficiency, difficult to guarantee the installation precision of the formwork, and the formwork is not fixed firmly are solved, the forming quality of the iron mouth hole is unstable, and the construction cost and time are increased.

[0028] Please refer to Figures 3 to 4 The top of lower mold brick 1 is set up with positioning groove 3 on both sides, and the top of upper mold brick 2 is fixedly connected with positioning block 4 matched with lower mold brick 1 on both sides.

[0029] Specifically, the positioning block 4 and the positioning groove 3 can limit the upper mold brick 2 and the lower mold brick 1, and increase the connection between the two.

[0030] Please refer to Figure 2 The inside material of temperature insulation layer 6 is ceramic fiber, and the outside material of temperature insulation layer 6 is rock wool.

[0031] Specifically, the two materials inside the heat insulation layer 6 can prevent heat dissipation and affect the surrounding staff.

[0032] Please refer to Figures 1 to Figure 2 The inner material of the refractory layer 7 is silicon carbide-based material, and the outer material of the refractory layer 7 is carbon brick.

[0033] Specifically, the two materials inside the refractory layer 7 can reduce the corrosion and high temperature damage of the device by high temperature molten iron, and increase the service life of the device.

[0034] Please refer to Figures 3 to Figure 4 The material of the lower mold brick 1 and the upper mold brick 2 is light clay, the positioning block 4 and the positioning groove 3 are filled with rock wool, and the inside of the lower mold brick 1 and the upper mold brick 2 is provided with a hollow groove 5.

[0035] Specifically, the light clay and the hollow groove 5 can reduce the weight of the device, facilitate the construction of the device, and the rock wool can avoid the large gap between the upper mold brick 2 and the lower mold brick 1.

[0036] Please refer to Figure 5 The top of the limiting frame 9 is an I-shaped, and the top of the end of the upper mold brick 2 away from the receiving groove 8 is provided with a limiting groove 10 matched with the limiting frame 9.

[0037] Specifically, the receiving groove 8 can position the limiting frame 9, and the limiting groove 10 and the limiting frame can make the two upper mold bricks 2 tightly fit.

[0038] Please refer to Figure 6 The inside of the rotating plate 12 is provided with a threaded hole, and the threaded hole of the rotating plate 12 is threadedly connected with a positioning bolt 14, and the inside of the fixing frame 13 is provided with a through hole matched with the positioning bolt 14.

[0039] Specifically, the positioning bolt 14, the fixing frame 13 and the rotating plate 12 can make the adjacent two lower mold bricks 1 and the adjacent two upper mold bricks 2 tightly fit.

[0040] In use, the lower mold brick 1 is placed, and then the upper mold brick 2 is placed on the top of the lower mold brick 1, the positioning block 4 at the bottom of the upper mold brick 2 enters the positioning groove 3 at the top of the lower mold brick 1, at this time, the asbestos is located in the gap between the positioning block 4 and the positioning groove 3, so as to increase the connection of the two and insulate the gap between the lower mold brick 1 and the upper mold brick 2, and then the lower mold brick 1 and the upper mold brick 2 are placed, when placing, since the heights of the fixing frame 13 and the rotating plate 12 are different, the heights of the two adjacent lower mold bricks 1 are also different, so that the holes between the plurality of upper mold bricks 2 and the plurality of lower mold bricks 1 are aligned, then the rotating plate 12 is rotated, the rotating plate 12 on one side of one lower mold brick 1 enters the fixing frame 13 on the side of another lower mold brick 1, then the positioning bolt 14 is screwed with the rotating plate 12 through the positioning bolt 14, so as to fix the two, then the limiting frame 9 is placed in the storage groove 8, the top of the limiting frame 9 enters the limiting groove 10 at the top of another upper mold brick 2, so as to limit the upper mold brick 2 again, thereby completing the formwork of the iron mouth hole, solving the problems of low efficiency, difficult to guarantee the installation precision of the formwork, and the formwork is not fixed firmly, which leads to unstable forming quality of the iron mouth hole, increases the construction cost and time, when one lower mold brick 1 or upper mold brick 2 is damaged, the positioning bolt 14 is disassembled, the rotating plate 12 is pulled out, the rotating plate 12 is separated from the fixed column 11, then the limiting frame 9 is pulled out, so that the upper mold brick 2 or the lower mold brick 1 can be replaced, after replacement, the disassembled limiting frame 9 and the rotating plate 12 are reused, solving the problems of different contact positions of the formwork with the molten iron, different service life of each formwork, and difficult to replace the damaged formwork alone, thereby reducing the labor and formwork cost.

[0041] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A high-efficiency formwork support device for blast furnace taphole channels, comprising a lower formwork brick (1) and an upper formwork brick (2), characterized in that: The inner sides of the lower mold brick (1) and the upper mold brick (2) are provided with annular grooves and are fixedly connected with heat insulation layer (6). The inner side of the heat insulation layer (6) is fixedly connected with refractory layer (7). The top of one end of the upper mold brick (2) is provided with a storage groove (8). The storage groove (8) is slidably connected with a limit frame (9). The left and right sides of the lower mold brick (1) and the upper mold brick (2) are fixedly connected with fixing columns (11). The outer side of the fixing columns (11) is rotatably connected with a rotating plate (12). The left and right sides of the lower mold brick (1) and the upper mold brick (2) are fixedly connected with a fixing frame (13).

2. The high-efficiency formwork support device for blast furnace tapholes according to claim 1, characterized in that: The lower mold brick (1) has positioning grooves (3) on both sides of its top, and the upper mold brick (2) has positioning blocks (4) that are compatible with the lower mold brick (1) fixedly connected to both sides of its top.

3. The high-efficiency formwork support device for blast furnace tapholes according to claim 1, characterized in that: The inner material of the insulation layer (6) is ceramic fiber, and the outer material of the insulation layer (6) is rock wool.

4. The high-efficiency formwork support device for blast furnace tapholes according to claim 1, characterized in that: The inner material of the refractory layer (7) is silicon carbide-based material, and the outer material of the refractory layer (7) is carbon brick.

5. The high-efficiency formwork support device for blast furnace tapholes according to claim 2, characterized in that: The material of the lower mold brick (1) and the upper mold brick (2) is lightweight clay. Rock wool is filled between the positioning block (4) and the positioning groove (3). Hollow grooves (5) are opened inside the lower mold brick (1) and the upper mold brick (2).

6. The high-efficiency formwork support device for blast furnace tapholes according to claim 1, characterized in that: The top of the limiting frame (9) is I-shaped, and the top of the upper mold brick (2) away from the storage groove (8) is provided with a limiting groove (10) that is compatible with the limiting frame (9).

7. The high-efficiency formwork support device for blast furnace tapholes according to claim 1, characterized in that: The rotating plate (12) has threaded holes inside, and the threaded holes of the rotating plate (12) are threaded with positioning bolts (14). The fixing frame (13) has through holes that are compatible with the positioning bolts (14).

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