CN209890658U - Furnace top charging bucket - Google Patents

Abstract

The utility model discloses a furnace top material jar, including first furnace top material jar, second furnace top material jar, apron and filter tank, the bottom face welding of first furnace top material jar has the mount, second furnace top material jar passes through the support frame to be fixed at the top face of first furnace top material jar, the rear end face of filter tank welding at second furnace top material jar, the welded chute board that has in the filter tank, the top face welding of filter tank has the hank seat, the round pin axle is installed to hank seat internal rotation, the apron welding is at the round pin epaxially, the top face embedding of first furnace top material jar is fixed with the second connecting pipe, the one end embedding that the second connecting pipe deviates from first furnace top material jar is fixed on the filter tank, the one end embedding that the top face of first furnace top deviates from the second connecting pipe is fixed with first connecting pipe. The utility model discloses possess simple structure, the simple operation diffuses the advantage less slow and prevent the polluted environment.

Description

Furnace top charging bucket

Technical Field

The utility model relates to a furnace top material jar technical field specifically is a furnace top material jar.

Background

The furnace top charging bucket is as follows: the increasingly severe environmental requirements and market conditions of the steel industry require that steel enterprises must save energy, reduce emission and reduce cost. At present, the pollution discharge amount of the blast furnace ironmaking process occupies most of the discharge amount of the whole iron and steel industry, so that the reduction of the discharge amount of the ironmaking process is particularly necessary.

However, the speed of the existing furnace top charging bucket in a charging system of the blast furnace is limited, when the furnace conditions are smooth and the material consumption demand is large, the material loss line of the blast furnace is caused, the consumption is high for a long time, the furnace conditions are unstable, and the difficulty is brought to the normal operation of the blast furnace.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a furnace roof material jar possesses simple structure, and the simple operation diffuses the advantage slower and prevent the polluted environment, has solved current furnace roof material jar and has limited at blast furnace charging system speed, in the case of the furnace condition is in the same direction as a journey, when the material demand is big, can cause the blast furnace to lose the stockline, causes the consumption height for a long time, and the furnace condition is unstable, brings the problem of difficulty for the normal operation of blast furnace.

In order to achieve the above object, the utility model provides a following technical scheme: a furnace top charging bucket comprises a first furnace top charging bucket, a second furnace top charging bucket, a cover plate and a gas filtering box, wherein a fixing frame is welded on the bottom end face of the first furnace top charging bucket, the second furnace top charging bucket is fixed on the top end face of the first furnace top charging bucket through a supporting frame, the second furnace top charging bucket is embedded and fixed on the top end face of the first furnace top charging bucket, the gas filtering box is welded on the rear end face of the second furnace top charging bucket, a sliding chute plate is welded in the gas filtering box, a groove is formed in the top end face of the gas filtering box, a hinge base is welded on the top end face of the gas filtering box, a hinge pin is rotatably installed in the hinge base, the cover plate is welded on the hinge pin, a second connecting pipe is embedded and fixed on the top end face of the first furnace top charging bucket, one end of the second connecting pipe, which deviates from the first furnace top charging bucket, is embedded and fixed on the gas filtering box, a second relief valve is installed on the second connecting pipe, one end of the first connecting pipe, which deviates from the first furnace top charging bucket, is embedded and fixed on the gas filtering box, and a first bleeding valve is installed on the first connecting pipe.

Preferably, the number of the fixing frames is four, and the four fixing frames are distributed in a rectangular array by the first furnace top charging bucket.

Preferably, an air outlet pipe is fixedly embedded into one end of the air filtering box, which is far away from the second furnace top charging bucket, and a one-way valve is installed on the air outlet pipe.

Preferably, the sliding groove plate is internally provided with a filter screen in a sliding mode, and the size of the filter screen is matched with that of the sliding groove plate.

Preferably, the cover plate is internally welded with a limiting block, the limiting block is attached with a sealing gasket, and the limiting block is limited and fixed through a groove.

Preferably, a power plug is installed on the rear end face of the first furnace top charging bucket, and the power plug is electrically connected with the first bleeding valve and the second bleeding valve through conducting wires.

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

1. the utility model discloses a set up first bleeding valve, when having reached the furnace roof material jar and using, operating personnel opens first bleeding valve through power plug external power supply, when first bleeding valve is opened, when coal gas in the first furnace roof material jar surpasses pressure, first bleeding valve is opened and is discharged through first connecting pipe, simultaneously at first bleeding valve in the unable normal during operation that carries out of trouble, operating personnel opens the second bleeding valve through power plug external power supply, the second is diffused the valve and is started and discharge coal gas through the second connecting pipe, make and only open one when the blast furnace diffuses, and keep a reserve, in order to ensure that two bleeding valves fail unable processing of breaking down simultaneously, thereby accomplish the effect of the normal material loading of assurance blast furnace.

2. The utility model discloses a set up the gas filtering box, when having reached the furnace roof material jar and using, coal gas gets into the gas filtering box when first bleeding valve diffuses through first connecting pipe, filter through the filter screen in the gas filtering box sliding tray, prevent that the dust from getting into direct emission in the gas outlet pipe, coal gas after filtering through the filter screen can be retrieved and utilized, simple structure when making the furnace roof material jar use, the simple operation, the convenience carries out recycle to coal gas, can maintain and change and clear effect to the filter screen in the gas filtering box through opening the apron simultaneously.

Drawings

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

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

fig. 3 is a schematic view of the top view of the internal structure of the present invention;

fig. 4 is a schematic view of the top-view appearance structure of the present invention;

fig. 5 is an enlarged schematic view of the cover plate of the present invention.

In the figure: 1. a fixed mount; 2. a first top bucket; 3. a first bleed valve; 4. a first connecting pipe; 5. a support frame; 6. a second top bucket; 7. a second connecting pipe; 8. a second bleed valve; 9. a cover plate; 10. an air outlet pipe; 11. a one-way valve; 12. a gas filtering box; 13. a chute plate; 14. a power plug; 15. filtering with a screen; 16. A groove; 17. a pin shaft; 18. a twisting seat; 19. a gasket; 20. and a limiting block.

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.

Referring to fig. 1 to 5, the present invention provides an embodiment: a furnace top charging bucket comprises a first furnace top charging bucket 2, a second furnace top charging bucket 6, a cover plate 9 and an air filtering box 12, wherein a second connecting pipe 7 is fixedly embedded in the top end surface of the first furnace top charging bucket 2, one end, deviating from the first furnace top charging bucket 2, of the second connecting pipe 7 is fixedly embedded in the air filtering box 12, a second blow-off valve 8 is installed on the second connecting pipe 7, the second blow-off valve 8 adopts DN300, one end, deviating from the second connecting pipe 7, of the top end surface of the first furnace top charging bucket 2 is fixedly embedded in the first connecting pipe 4, one end, deviating from the first furnace top charging bucket 2, of the first connecting pipe 4 is fixedly embedded in the air filtering box 12, a first blow-off valve 3 is installed on the first connecting pipe 4, the first blow-off valve 3 adopts DN400, a power plug 14 is installed on the rear end surface of the first furnace top charging bucket 2, the power plug 14 is electrically connected with the first blow-off valve 3 and the second blow-off valve 8 through wires, and the first blow, when having reached the use of furnace top material jar, operating personnel opens first bleeding valve 3 through 14 external power supplies of power plug, when first bleeding valve 3 is opened, when the coal gas in the first furnace top material jar 2 surpassed pressure, first bleeding valve 3 is opened and is discharged through first connecting pipe 4, simultaneously at first bleeding valve 3 when the trouble can't normally work, operating personnel opens second bleeding valve 8 through 14 external power supplies of power plug, second bleeding valve 8 starts and discharges coal gas through second connecting pipe 7, make and only open one when the blast furnace diffuses, and keep one reserve, in order to ensure that two bleeding valves can't handle in the trouble not appearing simultaneously, thereby accomplish the effect of guaranteeing the normal material loading of blast furnace

The bottom end face of a first furnace top charging bucket 2 is welded with a fixing frame 1, the fixing frame 1 is provided with four fixing frames 1, the four fixing frames 1 are distributed in a rectangular array mode through the first furnace top charging bucket 2, a second furnace top charging bucket 6 is fixed on the top end face of the first furnace top charging bucket 2 through a supporting frame 5, the second furnace top charging bucket 6 is embedded and fixed on the top end face of the first furnace top charging bucket 2, a gas filtering box 12 is welded on the rear end face of the second furnace top charging bucket 6, one end, away from the second furnace top charging bucket 6, of the gas filtering box 12 is embedded and fixed with a gas outlet pipe 10, a one-way valve 11 is installed on the gas outlet pipe 10, a sliding groove plate 13 is welded in the gas filtering box 12, a filter screen 15 is arranged in the sliding groove plate 13 in a sliding mode, the size of the filter screen 15 is matched with the size of the sliding groove plate 13, a groove 16 is formed in the top end face of the, welded stopper 20 in the apron 9, sealed 19 of packing is installed in the laminating on the stopper 20, and stopper 20 is spacing fixed through recess 16, through setting up gas filtering box 12, when having reached the use of furnace roof material jar, coal gas gets into gas filtering box 12 when first bleeder valve 3 diffuses through first connecting pipe 4, lead to filter screen 15 in gas filtering box 12 chute board 13 and filter, prevent that the dust from getting into direct emission in the outlet duct 10, coal gas after filtering through filter screen 15 can be retrieved and utilize, simple structure when making the use of furnace roof material jar, the simple operation, the convenience is recycled coal gas, simultaneously can maintain and change and clear effect to filter screen 15 in the gas filtering box 12 through opening apron 9.

The working principle is as follows: operating personnel opens first bleeding valve 3 through 14 external power supplies of power plug, when first bleeding valve 3 is opened, when the coal gas in the first furnace roof charging bucket 2 surpassed pressure, first bleeding valve 3 is opened and is discharged through first connecting pipe 4, simultaneously at first bleeding valve 3 in the unable normal during operation that carries out in trouble, operating personnel opens second bleeding valve 8 through 14 external power supplies of power plug, second bleeding valve 8 starts to discharge coal gas through second connecting pipe 7, the messenger only opens one when the blast furnace diffuses, and keep a stand-by, with the unable processing of guaranteeing that two bleeding valves break down simultaneously. When first bleeding valve 3 diffuses through first connecting pipe 4, coal gas gets into in the filter gas case 12, lead to filter the filter screen 15 in the filter gas case 12 chute board 13 and filter, prevent that the dust from getting into direct emission in the outlet duct 10, coal gas after filtering through filter screen 15 can be retrieved and utilized, simple structure when making the furnace roof material jar use, the simple operation, the convenience is recycled coal gas, can maintain in the filter gas case 12 and change and clean filter screen 15 through opening apron 9 simultaneously.

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 furnace top charging bucket, includes first furnace top charging bucket (2), second furnace top charging bucket (6), apron (9) and strain gas tank (12), its characterized in that: the bottom end face of the first furnace top charging bucket (2) is welded with a fixing frame (1), the second furnace top charging bucket (6) is fixed on the top end face of the first furnace top charging bucket (2) through a supporting frame (5), the second furnace top charging bucket (6) is embedded and fixed on the top end face of the first furnace top charging bucket (2), the gas filtering box (12) is welded on the rear end face of the second furnace top charging bucket (6), a sliding groove plate (13) is welded in the gas filtering box (12), a groove (16) is formed in the top end face of the gas filtering box (12), a hinge base (18) is welded on the top end face of the gas filtering box (12), a pin shaft (17) is installed in the hinge base (18) in a rotating mode, the cover plate (9) is welded on the pin shaft (17), a second connecting pipe (7) is fixed in the top end face of the first furnace top charging bucket (2) in an embedded mode, and the second connecting pipe (7) deviates from the one end of the first furnace top charging bucket, and install second relief valve (8) on second connecting pipe (7), the one end embedding that the top face of first furnace roof material jar (2) deviates from second connecting pipe (7) is fixed with first connecting pipe (4), the one end embedding that first connecting pipe (4) deviates from first furnace roof material jar (2) is fixed on gas filter box (12), and installs first relief valve (3) on first connecting pipe (4).

2. The furnace top bucket according to claim 1, characterized in that: the number of the fixing frames (1) is four, and the four fixing frames (1) are distributed in a rectangular array by the first furnace top charging bucket (2).

3. The furnace top bucket according to claim 1, characterized in that: and an air outlet pipe (10) is fixedly embedded in one end of the air filtering box (12) deviating from the second furnace top charging bucket (6), and a one-way valve (11) is installed on the air outlet pipe (10).

4. The furnace top bucket according to claim 1, characterized in that: the chute board (13) is internally provided with a filter screen (15) in a sliding way, and the size of the filter screen (15) is matched with that of the chute board (13).

5. The furnace top bucket according to claim 1, characterized in that: the cover plate (9) is internally welded with a limiting block (20), the limiting block (20) is attached to a sealing gasket (19), and the limiting block (20) is limited and fixed through a groove (16).

6. The furnace top bucket according to claim 1, characterized in that: and a power plug (14) is installed on the rear end face of the first furnace top charging bucket (2), and the power plug (14) is electrically connected with the first bleeding valve (3) and the second bleeding valve (8) through conducting wires.

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