CN218026171U - Zinc content control device for blast furnace smelting - Google Patents

Abstract

The utility model relates to a blast furnace smelting technical field especially relates to a zinc content control device for blast furnace smelting. The technical scheme comprises the following steps: first connecting pipe, second connecting pipe and roof, the roof imbedding is fixed with the second connecting pipe, the bottom face welding of roof has the dead lever, and the bottom face of roof is provided with the lead screw, the inner wall welding of dead lever has the second shell, and installs first fan in the second shell, the inner wall welding of first connecting pipe has first shell, the surface side of first connecting pipe is provided with first connecting block, and first connecting block passes through threaded connection on the lead screw, the surface side welding of first connecting pipe has the second connecting block. The utility model adopts the technology of enhancing the blast furnace central air flow to increase the discharge amount of zinc from the furnace top gas, and the method can lead the zinc to be brought into the gas in a short time through the strong air flow, and the zinc is not solidified again and falls back to the furnace charge and is discharged out of the furnace by the gas.

Description

Zinc content control device for blast furnace smelting

Technical Field

The utility model relates to the technical field of blast furnace smelting, in particular to a zinc content control device for blast furnace smelting.

Background

The blast furnace uses steel plate as furnace shell, and refractory brick lining is built in the shell. The blast furnace body is divided into a furnace throat, a furnace body, a furnace waist, a furnace belly and a furnace hearth 5 from top to bottom.

By way of search, patent publication No. CN208223161U discloses a zinc melting furnace comprising: the furnace comprises a furnace shell, wherein a zinc melting chamber, a zinc collecting chamber, heating equipment and a heat insulation box body are arranged in the furnace shell; the zinc melting chamber is arranged above the zinc collecting chamber and adopts a downward collecting structure; the zinc melting chamber is provided with a heat insulation box body, the heat insulation box body separates the zinc melting chamber from the zinc collecting chamber, and the heating equipment is positioned between the zinc melting chamber and the heat insulation box body. The utility model discloses well zinc smelting pot, one time penetration rate reaches more than 99% in an embodiment, and the zinc content control in the zinc smelting boat after the zinc smelting is below 100ppm, has equipment structure simply, convenient operation and energy-conserving advantage.

The existing zinc content control device for blast furnace smelting has the following defects:

1. the existing zinc content control device for blast furnace smelting has no good gas discharge mechanism, so that the internal zinc content is large, and the actual production and operation are influenced;

2. the zinc content control device generally used for blast furnace smelting does not have a good gas discharge position adjusting mechanism, can not quickly adjust the position of gas discharged according to actual needs, easily causes the increase of the internal zinc content, and causes internal blockage and silting.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a zinc content control device for blast furnace smelting to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a zinc content control device for blast furnace smelting, includes first connecting pipe, second connecting pipe and roof, the embedding is fixed with the second connecting pipe in the roof, the bottom face welding of roof has the dead lever, and the bottom face of roof is provided with the lead screw, the inner wall welding of first connecting pipe has first shell.

Preferably, there are four bolts connected to the top plate through threads, and the four bolts are distributed in a rectangular array relative to the top plate. The bolt is connected with the inner thread of the top plate, and the top plate can be installed on the furnace throat of the blast furnace through the bolt by personnel to be fixed.

Preferably, the inner wall welding of dead lever has the second shell, and installs first fan in the second shell. Install first fan through in the second shell, make personnel can external power supply open first fan and draw the gas in the blast furnace through the second shell.

Preferably, the inner wall of the first shell is provided with a second fan, and the size of the second fan is matched with the inner diameter of the first shell. The second fan is installed through the inner wall of first shell, makes personnel can external power supply open the second fan and extract through the gas of first shell in to the blast furnace.

Preferably, the outer surface side end of the first connecting pipe is provided with a first connecting block, and the first connecting block is connected to the screw rod through threads. The first connecting pipe is connected with the screw rod through the first connecting block in a threaded connection mode.

Preferably, a second connecting block is welded at the outer surface side end of the first connecting pipe, and the second connecting block is sleeved on the fixing rod in a sliding mode. The second connecting block is sleeved on the fixed rod in a sliding mode, so that the first connecting pipe is connected with the fixed rod.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up the second connecting pipe, personnel are when discharging the blast furnace internal gas, there is the bolt through roof female connection, personnel can fix the roof on the furnace throat of blast furnace through the bolt installation, install first fan in the second shell after fixed, make personnel can external power supply open first fan and extract the gas in the blast furnace through the second shell, and install the second fan through the inner wall of first shell, make personnel can external power supply open the second fan and extract the gas in the blast furnace through first shell, make inside gas directly discharge, and through twice extraction, make reinforcing blast furnace center air current technology increase the discharge amount of zinc from the furnace roof coal gas, utilize this method accessible air current to bring zinc into the coal gas in the short time, and not solidified the back fall back to the furnace charge again, by the gas discharge outside the stove.

2. The utility model discloses a set up first connecting pipe, personnel are when discharging the interior gas of blast furnace, personnel can open power device and drive the lead screw according to the gaseous high external power supply of actual extraction and rotate, through first connecting block threaded connection on the lead screw when the lead screw rotates, make first connecting pipe be connected with the lead screw, and slide through the second connecting block and cup joint and carry out spacingly on the dead lever, make first connecting pipe be connected with the dead lever, it reciprocates to drive first connecting pipe when making the lead screw rotate, conveniently adjust the height of first connecting pipe and the gaseous height of extraction, make personnel's simple operation, prevent that inside zinc content is too high.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic view of the appearance structure of the present invention;

fig. 3 is a schematic top view of the second housing of the present invention;

fig. 4 is a schematic top view of the first housing of the present invention.

In the figure: 1. a first connecting pipe; 2. a screw rod; 3. a first connection block; 4. a first housing; 5. a second connecting pipe; 6. a second housing; 7. a top plate; 8. a bolt; 9. fixing the rod; 10. a second connecting block; 11. a first fan; 12. and a second fan.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

As shown in fig. 1-4, the utility model provides a zinc content control device for blast furnace smelting, including first connecting pipe 1, second connecting pipe 5 and roof 7, it is fixed with second connecting pipe 5 to embed in roof 7, there are bolt 8 through threaded connection in the roof 7, bolt 8 is equipped with four altogether, and four relative roof 7 of bolt 8 are the rectangular array and distribute, the bottom face welding of roof 7 has dead lever 9, and the bottom face of roof 7 is provided with lead screw 2, the inner wall welding of dead lever 9 has second shell 6, and install first fan 11 in the second shell 6, the inner wall welding of first connecting pipe 1 has first shell 4, second fan 12 is installed to the inner wall of first shell 4, and the internal diameter size looks adaptation of the size of second fan 12 and first shell 4.

The working principle of the zinc content control device for blast furnace smelting based on the embodiment 1 is as follows: when a person discharges gas in the blast furnace, the screw bolt 8 is connected with the inner thread of the top plate 7, the person can install the top plate 7 on the throat of the blast furnace through the screw bolt 8 for fixing, the first fan 11 is installed in the second shell 6 after the fixing, the person can open the first fan 11 through an external power supply and extract the gas in the blast furnace through the second shell 6, the second fan 12 is installed on the inner wall of the first shell 4, the person can open the second fan 12 through the external power supply and extract the gas in the blast furnace through the first shell 4, the internal gas can be directly discharged, and the discharge amount of zinc from the top of the gas is increased through enhancing the central airflow process of the blast furnace through two extractions.

Example two

As shown in fig. 1-4, the zinc content control device for blast furnace smelting according to the present invention further includes: the power supply device comprises a first connecting pipe 1, a second connecting pipe 5 and a top plate 7, wherein the second connecting pipe 5 is embedded and fixed in the top plate 7, a fixing rod 9 is welded on the bottom end face of the top plate 7, a screw rod 2 is arranged on the bottom end face of the top plate 7, a first shell 4 is welded on the inner wall of the first connecting pipe 1, a first connecting block 3 is arranged on the outer surface side end of the first connecting pipe 1, the first connecting block 3 is connected to the screw rod 2 through threads, a second connecting block 10 is welded on the outer surface side end of the first connecting pipe 1, the second connecting block 10 is sleeved on the fixing rod 9 in a sliding mode, the screw rod 2 needs to provide a power device to enable the screw rod to work normally, and as is well known by technical personnel in the field, the power supply device is common and belongs to conventional means or common general knowledge, and is not described herein again, and the technical personnel in the field can carry out any selection and matching according to the needs or convenience. The power device drives the screw rod 2 to rotate.

In this embodiment, personnel are when discharging the blast furnace gas, personnel can open power device according to the gaseous high external power supply of actual extraction and drive lead screw 2 and rotate, lead screw 2 passes through 3 threaded connection of first connecting block on lead screw 2 when rotating, make first connecting pipe 1 be connected with lead screw 2, and slide to cup joint through second connecting block 10 and carry out spacingly on dead lever 9, make first connecting pipe 1 be connected with dead lever 9, drive first connecting pipe 1 and reciprocate when making lead screw 2 rotate, conveniently adjust the height of first connecting pipe 1 and the gaseous height of extraction, prevent that inside zinc content is too high.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a zinc content control device for blast furnace smelting, includes first connecting pipe (1), second connecting pipe (5) and roof (7), its characterized in that: the improved structure is characterized in that a second connecting pipe (5) is embedded and fixed in the top plate (7), a fixing rod (9) is welded on the bottom end face of the top plate (7), a screw rod (2) is arranged on the bottom end face of the top plate (7), and a first shell (4) is welded on the inner wall of the first connecting pipe (1).

2. The zinc content control device for blast furnace smelting according to claim 1, characterized in that: there are bolts (8) through threaded connection in roof (7), and bolt (8) are equipped with four altogether, and four bolts (8) are rectangular array distribution relatively roof (7).

3. The zinc content control device for blast furnace smelting according to claim 1, characterized in that: the inner wall welding of dead lever (9) has second shell (6), and installs first fan (11) in second shell (6).

4. The zinc content control device for blast furnace smelting according to claim 1, characterized in that: and a second fan (12) is installed on the inner wall of the first shell (4), and the size of the second fan (12) is matched with the inner diameter of the first shell (4).

5. The zinc content control device for blast furnace smelting according to claim 1, characterized in that: the outer surface side end of the first connecting pipe (1) is provided with a first connecting block (3), and the first connecting block (3) is connected to the screw rod (2) through threads.

6. The zinc content control device for blast furnace smelting according to claim 1, characterized in that: the outer surface side end of the first connecting pipe (1) is welded with a second connecting block (10), and the second connecting block (10) is slidably sleeved on the fixing rod (9).

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