CN218719075U

CN218719075U - Feeding valve

Info

Publication number: CN218719075U
Application number: CN202222512074.6U
Authority: CN
Inventors: 王岗; 李栋; 杨立江
Original assignee: Sinosteel Xian Machinery Co Ltd
Current assignee: Sinosteel Xian Machinery Co Ltd
Priority date: 2022-09-22
Filing date: 2022-09-22
Publication date: 2023-03-24
Anticipated expiration: 2032-09-22

Abstract

The utility model relates to a charging valve, which comprises a first shell, a second shell and a third shell which are arranged in sequence from top to bottom, wherein the first shell is in a round platform shape, the cross sectional area of the top end of the first shell is larger than that of the bottom, a dustproof protective cover is arranged on the outer side of the first shell, one end of the dustproof protective cover is provided with a dedusting pipeline, the other end opposite to the dustproof protective cover is provided with an air inlet pipeline, the bottom of the first shell is horizontally provided with a bottom plate, and the opening and closing of the bottom plate are controlled by a driving device; the top end of the second shell is connected with the bottom of a side plate of the dustproof protection cover, the bottom end of the second shell is connected with the third shell, a side plate is arranged in a space formed by the second shell and the third shell, a circle of truncated cone-shaped soft sealing plate is lapped on the inner side surface of the side plate, and the dedusting protection cover, the truncated cone-shaped side plate and the truncated cone-shaped soft sealing plate form a communicated cavity. The charging valve ensures that dust between the dustproof protection cover and the first shell is timely pumped away by the dust removal pipeline, and improves the weighing accuracy of the blast furnace charging bucket.

Description

Feeding valve

Technical Field

The utility model belongs to the technical field of furnace roof equipment, more specifically, the utility model relates to a material loading valve.

Background

The charging gate is arranged between the charging bucket and the weighing bucket at the top of the iron-making blast furnace and is used for controlling the opening and closing of the feed opening of the charging bucket at the top of the blast furnace. When the blast furnace weighing material tank needs to be charged, the charging gate is opened by the hydraulic cylinder driving material gate, and the furnace burden flows out from the receiving tank feed opening and falls into the weighing material tank through the charging gate. When the burden falls through the feeding gate, a large amount of dust is generated and diffused to the atmosphere from the equipment gap, and the environment is polluted. Through setting up the dust removal mouth at the material loading floodgate, connect special dust removal pipeline, the dust that produces when the unloading is collected, avoid causing the pollution to the environment, in order to accord with the requirement of national environmental protection policy, but in current material loading valve structure, dustproof safety cover sets up the position at material floodgate assembly below, produce a large amount of dusts when the furnace charge whereabouts, the dust gets into the dust removal cavity through the inside rubber slab of soft seal and the narrow circumferential weld between the pyramis welt, when dust removal pipeline pressure is not enough, the dust can not get into the dust removal pipeline through the circumferential weld, the unable effective dust removal of equipment, additionally, the dust is piled up between soft seal and pyramis welt through the circumferential weld easily, thereby influence the accuracy of weighing of blast furnace charge jar.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a material loading valve, through with remove dust mouthful shift up to dustproof protective cover on, make the dust removal mouth directly remove dust to the inside cavity of material floodgate, avoided because the problem of the inside dust of unable in time taking out that the dust removal mouthful pressure is not enough to lead to.

In order to realize the purpose, the utility model adopts the following technical scheme:

a feeding valve is characterized by comprising a first shell, a second shell and a third shell which are sequentially arranged from top to bottom, wherein the first shell is in a round table shape, the cross sectional area of the top end of the first shell is larger than that of the bottom of the first shell, a dustproof protective cover is arranged on the outer side of the first shell, a dust removal pipeline is arranged at one end of the dustproof protective cover, an air inlet pipeline is arranged at the other end opposite to the dustproof protective cover, a bottom plate is horizontally arranged at the bottom of the first shell, and the opening and closing of the bottom plate are controlled by a driving device;

the utility model discloses a dustproof protective cover, including first casing, second casing, curb plate, bottom, third casing, curb plate, dustproof safety cover, round platform shape curb plate and round platform shape soft sealing plate, the curb plate top is connected bottom the curb plate of dustproof safety cover, and the bottom is connected with the third casing, be provided with the curb plate in the space that second casing and third casing formed, the curb plate is round platform shape, and its top cross-sectional area is greater than the bottom cross-sectional area, the inboard of curb plate is taken round platform shape soft sealing plate on the surface, dustproof safety cover, round platform shape curb plate and the cavity of round platform shape soft sealing plate formation intercommunication.

Further, the bottom plate comprises a bottom plate A and a bottom plate B, the opening and closing of the bottom plate A and the bottom plate B are controlled by a driving device, the driving device comprises a first connecting rod, a second connecting rod and an oil cylinder connected with the second connecting rod, the first connecting rod is connected with the second connecting rod through an intermediate connecting rod, the first connecting rod is connected with the bottom plate A, and the second connecting rod is connected with the bottom plate B.

Further, the second shell is a soft sealing structure.

Further, the second shell is a rubber shell and is recessed inwards.

Further, the side plate is a rubber side plate.

Further, the soft sealing plate is a rubber plate, the top of the soft sealing plate is fixed with the connecting plate through a screw, the lower portion of the soft sealing plate is lapped on the upper portion of the inner side surface of the side plate, and the top of the connecting plate is connected with the dustproof protection cover.

Furthermore, the lower part of the soft sealing plate is lapped at 1/3-1/2 of the upper part of the inner side surface of the side plate.

Furthermore, the air inlet of the air inlet pipeline is provided with a baffle plate for controlling the air inlet pipeline to open and close, the baffle plate makes opening and closing movement along the groove on the inner side of the fixing frame, and the fixing frame is arranged at the inlet of the air inlet pipeline.

Furthermore, a plurality of hanging plates are uniformly arranged on the inner wall of the first shell, and hanging holes are formed in the hanging plates.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the dust removal port is moved upwards to the dust-proof protective cover, so that the dust removal port directly removes dust from the inner cavity of the material gate, and the problem that internal dust cannot be removed in time due to insufficient pressure of the dust removal port is avoided;

2. the circular seam between the soft sealing structure at the lower part of the material gate and the circular table-shaped lining plate is eliminated, and the circular table-shaped rubber plate is directly connected with the side plate, so that dust in the cavity is guaranteed to slide down through the circular table-shaped rubber plate when falling, and finally directly fall into the weighing material tank, the dust is reduced from diffusing to the outside, and the influence of dust accumulation on the weighing accuracy of the blast furnace material tank is avoided;

3. the dust removal pipeline is directly arranged on the dust-proof protective cover, so that dust between the dust-proof protective cover and the first shell is timely taken away by the dust removal pipeline, the dust is prevented from being bonded on the inner wall of the dust-proof protective cover, and the weighing accuracy of the blast furnace charging bucket is improved.

In the present invention, other features and advantages of the present invention will become apparent from the following detailed description of exemplary embodiments of the present invention with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.

Fig. 1 is a structural diagram of a feeding valve according to an embodiment of the present invention;

FIG. 2 is a partial enlarged view of portion A of FIG. 1;

fig. 3 is a top view of a feeding valve according to an embodiment of the present invention;

fig. 4 is a schematic view illustrating the closing of the control bottom plate of the driving device according to the embodiment of the present invention;

fig. 5 is a schematic view illustrating the opening of the control bottom plate of the driving device according to the embodiment of the present invention;

wherein: 1. a first housing; 2. a second housing; 3. a third housing; 4. a dust-proof protective cover; 5. a dust removal pipeline; 6. an air intake duct; 7. a side plate; 8. a base plate A; 9. a base plate B; 10. A first link; 11. a second link; 12. a middle connecting rod; 13. a connecting plate; 14. a hanger plate; 15. hoisting holes; 16. a soft sealing plate; 17. a fixing frame.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of devices consistent with certain aspects of the invention, as detailed in the appended claims.

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and the embodiments.

As shown in fig. 1-5, an embodiment of the present invention provides a material loading valve, including a first casing 1, a second casing 2, and a third casing 3, which are sequentially arranged from top to bottom, wherein the first casing 1 is in a circular truncated cone shape, and a cross-sectional area of a top end of the first casing is larger than a cross-sectional area of a bottom end of the first casing, a dustproof protective cover 4 is arranged outside the first casing 1, a dust removal pipe 5 is arranged at one end of the dustproof protective cover 4, an air inlet pipe 6 is arranged at the other end opposite to the dustproof protective cover, a bottom plate is horizontally arranged at the bottom of the first casing 1, and opening and closing of the bottom plate are controlled by a driving device; the top of the second shell 2 is connected with the bottom of the side plate of the dustproof protection cover 4, the bottom of the second shell is connected with the third shell 3, the side plate 7 is arranged in a space formed by the second shell 2 and the third shell 3, the side plate 7 is in a circular truncated cone shape, the cross sectional area of the top end of the side plate is larger than that of the bottom of the side plate, a circle of circular truncated cone-shaped soft sealing plate 16 is arranged on the inner side surface of the side plate 7, and the dustproof protection cover 4, the circular truncated cone-shaped side plate 7 and the circular truncated cone-shaped soft sealing plate 16 form a communicated cavity. Through round platform shape soft sealing plate 16 and curb plate lug connection, guaranteed through round platform shape soft sealing plate 16 landing when the inside dust of cavity whereabouts, finally directly fall into weigh inside the material jar, reduced the dust and spread to the outside, avoided the dust to pile up the accuracy that influences the blast furnace charging bucket and weigh.

Further, the bottom plate includes bottom plate A8 and bottom plate B9, and opening and shutting of bottom plate A8 and bottom plate B9 is controlled by drive arrangement, and drive arrangement includes first connecting rod 10, second connecting rod 11 and the hydro-cylinder of being connected with second connecting rod 11, be connected through middle connecting rod 12 between first connecting rod 10 and the second connecting rod 11, first connecting rod 10 is connected with bottom plate A8, second connecting rod 11 is connected with bottom plate B9.

Specifically, second casing 2 adopts soft seal structure, uses rubber housing under the normal conditions, and rubber housing is inside sunken, because the dust removal during operation, can lead to the inside low pressure that produces of dust excluding hood to make rubber housing warp to the indent by the evagination, influence the stability of whole device, avoided this kind of phenomenon to second casing 2's setting in this application.

The soft sealing plate 16 is a rubber plate, the top of the soft sealing plate is fixed with the connecting plate 13 through screws, the lower part of the soft sealing plate is arranged on the upper part of the inner side surface of the side plate 7, and the top of the connecting plate 13 is connected with the dustproof protection cover 4. The lower part of the soft sealing plate 16 is lapped at the upper part 1/3-1/2 of the inner side surface of the side plate 7. By arranging the soft sealing plate 16 as a rubber plate, it can be mutually fitted with the second housing 2, disconnecting the material receiving tank from the hard connection between the weighing tanks, ensuring the accuracy of weighing the weighing tanks.

Further, the air inlet of admission line 6 is provided with the baffle that is used for controlling its and opens and shuts, and the baffle is the motion of opening and shutting along the inboard recess of mount 17, and mount 17 sets up in admission line 6's entrance, when the material loading valve is out of work, needs the baffle of closing.

Further, a plurality of hanging plates 14 are uniformly arranged on the inner wall of the first shell 1, and hanging holes 15 are formed in the hanging plates, so that the lifting is facilitated.

The above description is merely illustrative of the invention and is provided to enable any person skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention.

It is to be understood that the present invention is not limited to what has been described above, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims

1. The feeding valve is characterized by comprising a first shell (1), a second shell (2) and a third shell (3) which are sequentially arranged from top to bottom, wherein the first shell (1) is in a round table shape, the cross sectional area of the top end of the first shell is larger than that of the bottom of the first shell, a dustproof protective cover (4) is arranged on the outer side of the first shell (1), a dust removal pipeline (5) is arranged at one end of the dustproof protective cover (4), an air inlet pipeline (6) is arranged at the other end opposite to the dustproof protective cover, a bottom plate is horizontally arranged at the bottom of the first shell (1), and the opening and closing of the bottom plate are controlled by a driving device;

the utility model discloses a dustproof protective cover, including second casing (2), curb plate, bottom and third casing (3), second casing (2) top is connected with the curb plate bottom of dustproof safety cover (4), and the bottom is connected with third casing (3), be provided with curb plate (7) in the space that second casing (2) and third casing (3) formed, curb plate (7) are round platform shape, and its top cross-sectional area is greater than the bottom cross-sectional area, the inboard of curb plate (7) has taken round platform shape soft sealing plate (16) on the surface, dustproof safety cover (4), round platform shape curb plate (7) and round platform shape soft sealing plate (16) form the cavity of intercommunication.

2. A feeding valve according to claim 1, characterized in that the base plate comprises a base plate a (8) and a base plate B (9), the opening and closing of the base plate a (8) and the base plate B (9) are controlled by a driving device, the driving device comprises a first connecting rod (10), a second connecting rod (11) and an oil cylinder connected with the second connecting rod (11), the first connecting rod (10) and the second connecting rod (11) are connected through an intermediate connecting rod (12), the first connecting rod (10) is connected with the base plate a (8), and the second connecting rod (11) is connected with the base plate B (9).

3. A charging valve according to claim 1, characterized in that the second housing (2) is a soft sealing structure.

4. A charging valve according to claim 1, characterized in that the second housing (2) is a rubber housing and is inwardly recessed.

5. A feeding valve according to claim 1, characterized in that the soft sealing plate (16) is a rubber plate, the top of the soft sealing plate is fixed with a connecting plate (13) through screws, the lower part of the soft sealing plate is lapped on the upper part of the inner side surface of the side plate (7), and the top of the connecting plate (13) is connected with a dustproof protection cover (4).

6. A charging valve according to claim 5, characterized in that the lower part of the soft sealing plate (16) is lapped at 1/3-1/2 of the upper part of the inner side surface of the side plate (7).

7. A feeding valve according to claim 1, characterized in that the inlet of the inlet duct (6) is provided with a baffle for controlling the opening and closing of the inlet duct, the baffle moves along a groove inside the fixed frame (17), and the fixed frame (17) is arranged at the inlet of the inlet duct (6).

8. A loading valve according to claim 1, characterized in that a plurality of hanging plates (14) are uniformly arranged on the inner wall of the first casing (1), and the hanging plates are provided with hanging holes (15).