Blast furnace foundation pouring device

Abstract

The utility model relates to a blast furnace foundation pouring device, which belongs to the field of industrial production equipment and is characterized in that alarms are arranged on the periphery of a blast furnace body, the alarms are fuel gas alarms, a groove body is arranged on a furnace foundation, a lower check ring is arranged at the position of the groove body, the lower check ring is located on the periphery of the furnace body and surrounds the bottom of a blast furnace, and the bottom of the blast furnace is provided with an upper check ring and a lower check ring. Concrete is poured within the range of the lower check ring, the upper check ring is placed after the concrete is poured, the upper check ring can fix the shape of the poured concrete, the bottom of the blast furnace can be blocked, and continuous leakage of gas is avoided.

Description

Technical Field

[0001] The utility model belongs to the field of industrial production equipment, and specifically relates to a blast furnace foundation casting device. Background Art

[0002] During blast furnace production, iron ore, coke, and slag-making flux (limestone) are loaded from the top of the furnace, and preheated air is blown in from the tuyere located at the bottom of the furnace along the furnace periphery. At high temperatures, the carbon in the coke (some blast furnaces also spray auxiliary fuels such as coal powder, heavy oil, and natural gas) burns with the oxygen in the air to generate carbon monoxide and hydrogen, which remove oxygen from the iron ore during the rising process in the furnace, thereby reducing iron. The molten iron is released from the iron mouth. The unreduced impurities in the iron ore combine with fluxes such as limestone to form slag, which is discharged from the slag mouth. The generated coal gas is discharged from the top of the furnace and, after dust removal, is used as fuel for hot blast furnaces, heating furnaces, coke ovens, boilers, etc. The main product of blast furnace smelting is pig iron, as well as by-products of blast furnace slag and blast furnace gas; as time goes by, the concrete of the blast furnace foundation will crack, loosen, and leak gas, posing a safety hazard. Utility Model Content

[0003] In order to overcome the problems existing in the background technology, the utility model discloses a blast furnace foundation casting device, wherein the blast furnace foundation casting device is provided with an alarm around the blast furnace body, the alarm is a gas alarm, a trough body is provided on the furnace foundation, a lower retaining ring is provided at the trough body, the lower retaining ring is located at the outer periphery of the furnace body, the lower retaining ring surrounds the bottom of the blast furnace, concrete is poured within the range of the lower retaining ring, and after the concrete is poured, the upper retaining ring is placed, the upper retaining ring can fix the shape of the poured concrete, and can seal the bottom of the blast furnace to prevent further leakage of coal gas.

[0004] To achieve the above purpose, the utility model is implemented through the following technical solutions:

[0005] The blast furnace foundation casting device comprises a blast furnace, a furnace foundation, a lower retaining ring, an alarm, and an upper retaining ring. The furnace foundation is arranged at the bottom of the blast furnace, the alarm is connected to the blast furnace, the lower retaining ring is arranged at the top of the furnace foundation, and the upper retaining ring is located at the top of the lower retaining ring.

[0006] A trough body is arranged on the furnace base, and a lower retaining ring is placed on the trough body.

[0007] The lower retaining ring is an annular body, and the groove body is an annular groove.

[0008] The upper retaining ring comprises a left retaining ring and a right retaining ring.

[0009] The alarm is arranged around the periphery of the blast furnace and is located above the upper retaining ring.

[0010] The alarm is a gas alarm.

[0011] The beneficial effects of the utility model are as follows: the blast furnace foundation casting device is provided with an alarm around the blast furnace body, the alarm is a gas alarm, a trough body is provided on the furnace foundation, a lower retaining ring is provided at the trough body, the lower retaining ring is located at the outer periphery of the furnace body, the lower retaining ring surrounds the bottom of the blast furnace, concrete is poured within the range of the lower retaining ring, and after the concrete is poured, it is placed in the upper retaining ring, the upper retaining ring can fix the shape of the poured concrete, and can seal the bottom of the blast furnace to prevent further leakage of coal gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 It is a structural schematic diagram of the top surface of the furnace foundation;

[0014] Figure 3 Schematic diagram of the structure of the lower retaining ring;

[0015] Figure 4 Schematic diagram of the structure of the upper retaining ring.

[0016] In the figure, 1-blast furnace, 2-furnace base, 3-lower retaining ring, 4-alarm, 5-tank body, 6-ring mouth, 7-upper retaining ring, 8-right retaining ring, 9-left retaining ring. DETAILED DESCRIPTION

[0017] In order to make the above-mentioned objectives, technical solutions and beneficial effects clearer, the present invention is described in detail below with reference to the accompanying drawings.

[0018] like Figure 1-4 As shown, the casting device of the furnace base 2 of the blast furnace 1 includes a blast furnace 1, a furnace base 2, a lower retaining ring 3, an alarm 4, and an upper retaining ring 7. The furnace base 2 is arranged at the bottom of the blast furnace 1, the alarm 4 is connected to the blast furnace 1, the lower retaining ring 3 is arranged at the top of the furnace base 2, the upper retaining ring 7 is located on the top of the lower retaining ring 3, the upper retaining ring 7 includes a left retaining ring 9 and a right retaining ring 8, a trough body 5 is arranged on the furnace base 2, the lower retaining ring 3 is placed on the trough body 5, a ring mouth 6 is arranged on the trough body 5, the lower retaining ring 3 is an annular body, and the trough body 5 is an annular groove, the alarm 4 is arranged around the periphery of the blast furnace 1, the alarm 4 is located above the upper retaining ring 7, and the alarm 4 is a gas alarm 4.

[0019] The blast furnace 1 furnace base 2 casting device is provided with an alarm 4 around the blast furnace 1 furnace body, the alarm 4 is a gas alarm 4, a trough body 5 is provided on the furnace base 2, a lower retaining ring 3 is provided at the trough body 5, the lower retaining ring 3 is located at the outer periphery of the furnace body, the lower retaining ring 3 is an annular body, the trough body 5 is an annular groove, the lower retaining ring 3 surrounds the bottom of the blast furnace 1, concrete is poured within the range of the lower retaining ring 3, and after the concrete is poured, the upper retaining ring 7 is placed, and the upper retaining ring 7 can fix the shape of the poured concrete, and the upper retaining ring 7 includes a left retaining ring 9 and a right retaining ring 8, and the left retaining ring 9 and the right retaining ring 8 are arranged relative to each other, such as Figure 4As shown, the upper retaining ring 7 is a conical structure. When the upper retaining ring 7 is placed on the lower retaining ring 3, the top of the upper retaining ring 7 contacts the periphery of the blast furnace 1. The lower retaining ring 3 and the upper retaining ring 7 cooperate with the setting of concrete to seal the bottom of the blast furnace 1 to prevent further leakage of coal gas. The alarm 4 is arranged around the periphery of the blast furnace 1, and the alarm 4 is located above the upper retaining ring 7. The alarm 4 is a gas alarm 4. The purpose of the utility model is to eliminate safety hazards. High-strength, non-shrinkage grouting material is used for annular integral casting to seal coal gas. The casting is carried out when the circumference of the base 2 of the blast furnace 1 is loose. After casting, the regional gas leakage is effectively controlled, the effect is obvious, the hidden dangers are eliminated, and the safety of the workers in the area is guaranteed.

[0020] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the scope defined by the claims of the utility model.

Claims

1. A blast furnace foundation casting device, characterized in that: The blast furnace foundation casting device comprises a blast furnace, a furnace foundation, a lower retaining ring, an alarm, and an upper retaining ring. The furnace foundation is arranged at the bottom of the blast furnace, the alarm is connected to the blast furnace, the lower retaining ring is arranged at the top of the furnace foundation, and the upper retaining ring is located at the top of the lower retaining ring.

2. The blast furnace foundation casting device according to claim 1, characterized in that: A trough body is arranged on the furnace base, and a lower retaining ring is placed on the trough body.

3. The blast furnace foundation casting device according to claim 2, characterized in that: The lower retaining ring is an annular body, and the groove body is an annular groove.

4. The blast furnace foundation casting device according to claim 1, characterized in that: The upper retaining ring comprises a left retaining ring and a right retaining ring.

5. The blast furnace foundation casting device according to claim 1, characterized in that: The alarm is arranged around the periphery of the blast furnace and is located above the upper retaining ring.

6. The blast furnace foundation casting device according to claim 1, characterized in that: The alarm is a gas alarm.

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