TWI741783B - Steam type converter stone stabilization device - Google Patents

Abstract

A steam type converter stone stabilization device, comprising: a water tank, including a bottom wall and a surrounding wall extending upward from the bottom wall; a stacking plate, which is arranged on the surrounding wall of the water tank and is used to carry the hearth stone, and includes A plurality of through holes penetrating up and down; and a steam pipe, which is arranged in the water tank and penetrates the surrounding wall of the water tank to transport water vapor from the outside of the water tank, the steam pipe includes a plurality of which can discharge the The water vapor discharge hole, the discharge hole is lower than the liquid level height of the liquid surface of the water liquid. The water vapor in the steam pipe is discharged downwards into the water in the water tank through the discharge hole, so that the water is boiled, thereby generating atmospheric saturated vapor to flow upward through the stacking plate. Hole to stabilize the furnace stone on the stacking plate.

Description

Steam type converter stone stabilization device

The invention relates to a converter stone stabilization device, in particular to a steam-type converter stone stabilization device.

Referring to Figure 1, a conventional furnace stone stabilization device 1 is to install a steam pipe 11 at the bottom of the furnace stone 9, so that water vapor flows from bottom to top through the discharge hole 111 of the steam pipe 11, and then passes through the hole 121 of the carrier plate 12 , And then pass through the hearth 9 to make the calcium oxide with the extremely high expansion rate in the hearth 9 combine with water (the reaction formula is CaO+H ₂ O->Ca(OH) ₂ ) to achieve a stabilization effect. In addition, although the conventional hearthstone stabilization device 1 is provided with a temperature sensor and a pressure sensor (none of which are shown in the figure), it can return the temperature sensing value and the pressure sensing value to automatically control the opening of the main steam valve. However, this method can only control the steam flow into the system.

Take, for example, the current public steam source of the applicant China Iron and Steel Company, which is 17.5 kg/cm ² and 275°C supersaturated steam. If this common steam is introduced into the conventional furnace stone stabilization device 1 in Figure 1 without any pressure reduction and temperature reduction treatment, it will still be dry and anhydrous supersaturated steam when passing through the furnace stone 9 ( The temperature is still as high as 110 ℃ ~ 129 ℃), so the stabilization effect cannot be produced. Therefore, it is necessary to find a solution.

Therefore, the purpose of the present invention is to provide a steam-type converter stone stabilization device.

Therefore, the steam-type converter stone stabilization device of the present invention is suitable for stabilizing the furnace stone, and includes: a water tank for containing water and liquid, and includes a bottom wall and a surrounding wall extending upward from the bottom wall; The stacking plate is arranged on the surrounding wall of the water tank and is used for supporting the hearth stone, and includes a plurality of through holes penetrating up and down; and a steam pipe, which is arranged in the water tank and penetrates the place of the water tank The surrounding wall is used to transport water vapor from the outside of the water tank, wherein the vapor pipe includes a plurality of discharge holes that can discharge the water vapor downward, and the discharge holes are lower than the liquid level of the water level high. Wherein, the water vapor in the steam pipe is discharged downwards into the water liquid in the water tank through the discharge hole, so that the water liquid is boiled, thereby generating atmospheric saturated steam flowing upward through the stacking plate. The through holes are used to stabilize the furnace stone on the stacking plate.

The effect of the present invention is: by arranging the steam pipe in the water tank, and making the high-temperature water vapor drain down into the water liquid through the discharge hole of the steam pipe to heat the water liquid to boiling, it can produce a constant temperature of 100°C. The pressure-saturated steam flows upward through the through holes of the stacking plate to pass through the furnace stone to produce hydration and obtain an excellent stabilization effect.

Referring to FIG. 2, the embodiment of the steam-type converter stone stabilization device of the present invention is suitable for stabilizing the furnace stone 9. In this embodiment, the steam-type converter stone stabilization device includes a water tank 2, a stacking plate 3, a steam pipe 4, a water inlet pipe 5, a liquid level switch 61, and a solenoid valve 62.

In this embodiment, the water tank 2 is used to contain water 7 and includes a bottom wall 21 and a surrounding wall 22 extending upward from the bottom wall 21.

The stacking plate 3 is arranged on the surrounding wall 22 of the water tank 2 and is used to carry the hearth 9 and includes a plurality of through holes 31 penetrating up and down and spaced apart.

The steam pipe 4 is arranged in the water tank 2 and penetrates the surrounding wall 22 of the water tank 2 to transport water vapor 8 from the outside of the water tank 2. Wherein, the steam pipe 4 includes a plurality of discharge holes 41 that can discharge the water vapor 8 downward, that is, the discharge holes 41 are arranged at the bottom of the steam pipe 4. In this embodiment, because the discharge hole 41 is lower than the liquid level of the liquid level 71 of the water liquid 7, the water vapor 8 in the steam pipe 4 will definitely enter the water tank 2 after being discharged downward through the discharge hole 41 In the water 7 inside, so that the water 7 in the water tank 2 is boiled, so that atmospheric saturated steam can be generated to flow upwards through the through holes 31 of the stacking plate 3 to affect the furnace on the stacking plate 3. Stone 9 is stabilized.

In this embodiment, the source of the steam 8 conveyed by the steam pipe 4 is supersaturated steam or superheated steam. For example, the current public steam source of the applicant, China Iron and Steel Company: 17.5 kg/cm ² and 275° C. supersaturated steam. In the process that the high-temperature water vapor 8 in the steam pipe 4 is discharged into the water liquid 7 through the discharge hole 41 and then emerges from the liquid surface 71, the high-temperature water vapor 8 will The liquid 7 is heated to boiling, thereby generating atmospheric saturated steam with a temperature of 100°C and a relative humidity of 100%, which flows upward through the through holes 31 of the stacking plate 3 to stabilize the hearth 9 on the stacking plate 3 .

In addition, since the water 7 in the water tank 2 will gradually decrease due to boiling, in this embodiment, when the liquid level switch 61 detects that the liquid level 71 is lower than a level higher than the discharge hole 41 When the liquid level is preset, the liquid level switch 61 will automatically control the solenoid valve 62 provided in the water inlet pipe 5 to open, so that the supplementary water 72 flows through the water inlet pipe 5 and enters the Water tank 2 is replenished.

Refer to Fig. 1 conventional furnace stone stabilization device 1, Fig. 2 steam-type converter stone stabilization device of the present invention, and the statistical charts of Figs. 3 to 6, where the numerical value above the bar in Figs. The expansion rate of Hearthstone 9 is in %. Among them, Figure 3 shows that the first test is to directly introduce supersaturated steam into the conventional furnace stone stabilization device 1 of Figure 1. The test results show that the expansion rate of the furnace stone 9 cannot be effectively reduced, that is, if it is used in the conventional The steam of the furnace stone stabilizer 1 is supersaturated steam, so the conventional furnace stone stabilizer 1 cannot effectively produce the converter stone stabilizer effect.

As for the second to fourth tests shown in Figs. 4 to 6, the new method of the steam-type converter stone stabilization device of the present invention in Fig. 2 is used. The steam pipe 4 is set in the water tank 2 to make the water The liquid 7 floods the steam pipe 4, and the high-temperature water vapor 8 is discharged into the water liquid 7 through the discharge hole 41 to heat the water liquid 7 to boiling, thereby generating atmospheric saturated steam with a temperature of 100°C and a relative humidity of 100% flowing upward The through holes 31 of the stacking plate 3 are used to stabilize the hearth 9 on the stacking plate 3. As shown in Figs. 4 to 6, the second to fourth tests show that the expansion rate of the furnace stone 9 has been effectively reduced, verifying that the method of the steam-type converter stone stabilization device of the present invention can effectively improve the converter stone stabilization effect.

In summary, the present invention disposes the steam pipe 4 in the water tank 2 and discharges the high-temperature steam 8 (such as supersaturated steam or superheated steam) into the water liquid 7 through the discharge hole 41 of the steam pipe 4 downward. The water 7 is heated to boiling, so atmospheric saturated steam at a temperature of 100°C can be generated to flow upwards through the through holes 31 of the stacking plate 3 to pass through the hearth 9 to produce hydration and obtain an excellent stabilization effect. It can indeed achieve the purpose of the invention.

However, the above are only examples of the present invention. When the scope of implementation of the present invention cannot be limited by this, all simple equivalent changes and modifications made in accordance with the scope of the patent application of the present invention and the content of the patent specification still belong to Within the scope covered by the patent of the present invention.

1: Conventional furnace stone stabilization device 11: Steam pipe 111: Drain hole 12: Carrying board 121: Hole 2: sink 21: bottom wall 22: Surround the wall 3: Stacking board 31: Through hole 4: Steam pipe 41: Drain hole 5: Inlet pipe 61: Liquid level switch 62: Solenoid valve 7: Water liquid 71: Liquid level 72: Supplementary water 8: water vapor 9: Hearthstone

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, in which: Figure 1 is a schematic diagram illustrating a conventional furnace stone stabilization device; Figure 2 is a schematic diagram illustrating an embodiment of the steam-type converter stone stabilization device of the present invention; Figure 3 is a statistical chart showing that in the first test, supersaturated steam was directly introduced into the conventional furnace stone stabilization device of Figure 1. The test results showed that the expansion rate of the furnace stone could not be effectively reduced; and Figures 4 to 6 are statistical charts, respectively illustrating the second to fourth tests. Using the steam-type converter stone stabilization device of the present invention in Figure 2 to flood the steam pipe with high-temperature steam through the steam pipe The water is discharged from the discharge hole downward to heat the water to boiling, thereby generating atmospheric saturated steam at a temperature of 100°C and flowing upward through the through holes of the stacking plate to stabilize the furnace stone on the stacking plate. The second test to the fourth test showed that the expansion rate of the hearth stone has been effectively reduced.

2: sink

21: bottom wall

22: Surround the wall

3: Stacking board

31: Through hole

4: Steam pipe

41: Drain hole

5: Inlet pipe

61: Liquid level switch

62: Solenoid valve

7: Water liquid

71: Liquid level

72: Supplementary water

8: water vapor

9: Hearthstone

Claims (3)

A steam type converter stone stabilization device, suitable for stabilizing the furnace stone, and contains: The water tank is used to contain water and includes a bottom wall and a surrounding wall extending upward from the bottom wall; The stacking plate is arranged on the surrounding wall of the water tank and is used to carry the hearth stone, and includes a plurality of through holes penetrating up and down; and A steam pipe is arranged in the water tank and penetrates the surrounding wall of the water tank to transport water vapor from the outside of the water tank, wherein the steam pipe includes a plurality of discharge holes that can discharge the water vapor downward , The discharge hole is lower than the liquid level height of the liquid level of the water liquid; Wherein, the water vapor in the steam pipe is discharged downwards into the water liquid in the water tank through the discharge hole, so that the water liquid is boiled, thereby generating atmospheric saturated steam flowing upward through the stacking plate. The through holes are used to stabilize the furnace stone on the stacking plate. The steam-type converter stone stabilization device according to claim 1, wherein the source of the steam conveyed by the steam pipe is supersaturated steam or superheated steam, and the high-temperature steam in the steam pipe goes down through the discharge hole It is discharged into the liquid and then emerges from the liquid surface to heat the liquid to boiling, thereby generating atmospheric saturated steam with a temperature of 100°C and a relative humidity of 100% flowing upward through the stacking plate The through hole. The steam-type converter stone stabilization device according to claim 1, further comprising a water inlet pipe for supplying supplementary water, a liquid level switch, and a solenoid valve arranged on the water inlet pipe, wherein, when the liquid level switch When it is detected that the liquid level is lower than a preset liquid level height higher than the discharge hole, the liquid level switch automatically controls the solenoid valve to open, so that the supplementary water flows through the water inlet pipe Enter the water tank to replenish water.

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