CN219570865U - A expansion valve that is used for metallurgical system pipeline to unload ash high leakproofness - Google Patents

Abstract

The utility model discloses a telescopic valve with high sealing performance for discharging ash of a metallurgical system pipeline, which relates to the technical field of telescopic valves, and comprises an upper box body and a lower box body, wherein a hopper is arranged in the upper box body, an expansion joint is arranged between the hopper and the lower box body, two valve plates are arranged in the hopper, an adjusting cylinder and two adjusting curved rods corresponding to the valve plates are arranged outside the upper box body, the adjusting cylinder is arranged on the upper box body in the vertical direction, and one end of each adjusting curved rod is rotatably connected to a transmission shaft of the adjusting cylinder; the telescopic valve is characterized in that a sealing ring structure is additionally arranged on the valve plate on the basis of taking the valve plate as a sealing structure, the purpose of the telescopic valve is to seal a gap between the valve plate and a hopper, and an oblique sliding plate which slides obliquely is additionally arranged, so that the telescopic valve is mainly suitable for a sealing process in a closed state, and particularly, the tail end of the oblique sliding plate is inserted into a sealing groove, and the sealing ring is combined to further seal the sealing structure of the whole valve plate.

Description

A expansion valve that is used for metallurgical system pipeline to unload ash high leakproofness

Technical Field

The utility model relates to the technical field of telescopic valves, in particular to a telescopic valve with high ash discharging tightness for a metallurgical system pipeline.

Background

In metallurgical operation, metal elements in ores are extracted through a high-temperature environment, a large amount of high-temperature dust is generated according to the smelting process of different ores, and the high-temperature dust is subjected to secondary treatment such as cooling, screening and the like, so that the dust is required to be collected in a concentrated manner and utilized;

for the action of collecting dust, the processed dust is discharged into a collecting structure such as a dust tank along a pipeline, and a telescopic valve structure is additionally arranged between the pipeline and the dust tank, so as to prevent the dust from overflowing and further prevent sealing when the dust tank is replaced, and specific reference can be made to CN212509556U and CN212509557U, wherein a sealing structure and a movable structure in the telescopic valve are respectively disclosed;

what needs to be explained here is: when the ash can is replaced, the telescopic valve is required to be closed for closing the passage between the pipeline and the ash can, but dust is still injected into the telescopic valve from the pipeline, so that when the ash can is replaced, the pressure of the passage at the upper side of the telescopic valve is increased, and a part of dust overflows from a gap in the telescopic valve and is diffused into an external working environment;

the utility model provides a solution to the technical problem.

Disclosure of Invention

The utility model aims to provide a telescopic valve with high sealing performance for discharging ash of a metallurgical system pipeline, which is used for solving the problem that part of dust is overflowed and diffused from a gap to an external working environment in a time period of replacing a collecting structure such as an ash tank because the pipeline is continuously filled with dust.

The aim of the utility model can be achieved by the following technical scheme:

the utility model provides a telescopic valve for metallurgical system pipeline unloads ash high leakproofness, includes along last box and lower box, install the hopper in the last box, install the telescopic joint between hopper and the lower box, be provided with two valve plates in the hopper, the outside governing cylinder and two regulation curved bars that are provided with corresponding valve plate of last box, the governing cylinder is installed on last box with vertical direction, two regulation curved bar one end rotates to be connected on the transmission shaft of governing cylinder, two the valve plate is symmetrical along the setting position of governing cylinder, and the one end that the valve plate kept away from each other is in the inside rotation connection of hopper, the rotation point position and the regulation curved bar other end phase-match of valve plate;

sealing strips which are arranged in a closed loop are bonded on the positions, close to the outer wall of the inner wall of the hopper, of the valve plates, a lower bending arc piece is bonded on one side, close to each other, of the two valve plates, and the outer walls of the two sides, close to each other, of the lower bending arc pieces are tangent.

Further provided is that: the four corners of the upper box body are provided with air cylinder assemblies which are vertically arranged, and the tail ends of output shafts of the four air cylinder assemblies are connected with the lower box body.

Further provided is that: the hopper inner wall position is provided with the inclined slide, install the connecting axle piece on the one side outer wall position of inclined slide, install the branch end cylinder on the position that the hopper corresponds the inclined slide, be connected between the transmission shaft and the connecting axle piece of branch end cylinder, set up on the hopper with the logical groove of connecting axle piece matching.

Further provided is that: the setting direction of inclined slide is perpendicular with the setting direction of sealing strip, and inclined slide terminal position is attached with the rubber column, the sealing groove that matches with the rubber column has been seted up to the valve plate upper surface.

Further provided is that: a connecting pipe orifice is arranged at the lower side of the lower box body, and a sealing gasket is arranged at the position, close to the bottom end of the inner wall of the lower box body, of the connecting pipe orifice;

an inflatable rubber ring is arranged at the inner curved surface of the connecting pipe orifice, and an air pipe is connected to the inflatable rubber ring.

The utility model has the following beneficial effects:

1. the utility model is based on the valve plate as the sealing structure, the sealing strip is added at the gap between the valve plate and the hopper, the primary sealing structure is adopted here, and the utility model is mainly aimed at: under the condition that the integral telescopic valve is in a closed state, on the premise that the valve plates are started to rotate mutually to achieve a closing effect, the tail ends of the oblique sliding plates which slide obliquely are inserted into the sealing grooves of the valve plates, so that further strengthening effect under the closed state is achieved, and dust is prevented from overflowing along gaps between the valve plates and the hopper under the closed state;

2. and the connecting pipe orifice in the lower box body is locally optimized, wherein the connecting pipe orifice is used as a connecting alignment structure when the collecting structure such as the ash can is replaced, and when the collecting structure such as the ash can is connected, the connecting pipe orifice is aligned with the inlet of the ash can, so that the sealing gasket is used for primary sealing, and the inflatable rubber ring is inflated through the air pipe to expand the inflatable rubber ring, so that the effect of quick sealing connection is achieved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a telescopic valve with high sealing performance for discharging ash from a metallurgical system pipeline according to the present utility model;

FIG. 2 is a cross-sectional view of FIG. 1 in a telescoping valve for high seal of a metallurgical system pipe ash discharge according to the present utility model;

FIG. 3 is a schematic view of a valve plate in a telescopic valve for discharging ash from a metallurgical system pipeline with high tightness;

FIG. 4 is a front view of a valve plate in a telescopic valve for high sealing performance of a metallurgical system pipeline ash discharge according to the present utility model;

FIG. 5 is a schematic view of the structure of a middle inclined slide plate of a telescopic valve for discharging ash from a metallurgical system pipeline with high tightness;

FIG. 6 is a schematic view of the structure of a connecting pipe orifice in a telescopic valve for discharging ash from a metallurgical system pipeline with high tightness.

In the figure: 1. an upper case; 2. a cylinder assembly; 3. an expansion joint; 4. a lower box body; 5. a connecting pipe orifice; 6. adjusting the curved bar; 7. adjusting a cylinder; 8. a hopper; 9. a sealing gasket; 10. a valve plate; 11. sealing the groove; 12. a sealing strip; 13. a split end cylinder; 14. a connecting shaft block; 15. an inclined slide plate; 16. an air pipe; 17. an inflatable rubber ring; 18. and (5) downwards bending the arc piece.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to the dust collecting operation in the metallurgical system, the specific process of the used shrinkage valve is not repeated, mainly when the ash can is replaced, the shrinkage valve needs to be closed to close the passage between the pipeline and the ash can, but the dust is still injected into the interior of the shrinkage valve from the pipeline, so when the ash can is replaced, the pressure of the passage on the upper side of the shrinkage valve is increased, so that a part of the dust overflows from the gap in the shrinkage valve and is diffused into the external working environment, and the following technical scheme is provided for the purpose:

referring to fig. 1 to 6, a telescopic valve for high sealing performance of discharging ash from a metallurgical system pipeline in this embodiment includes an upper case 1 and a lower case 4, a hopper 8 is installed in the upper case 1, an expansion joint 3 is installed between the hopper 8 and the lower case 4, two valve plates 10 are provided in the hopper 8, an adjusting cylinder 7 and two adjusting curved bars 6 corresponding to the valve plates 10 are provided outside the upper case 1, the adjusting cylinder 7 is installed on the upper case 1 in a vertical direction, one end of the two adjusting curved bars 6 is rotationally connected to a transmission shaft of the adjusting cylinder 7, the two valve plates 10 are symmetrically arranged along the setting position of the adjusting cylinder 7, one ends of the valve plates 10 far away from each other are rotationally connected inside the hopper 8, and the position of a rotation point of the valve plate 10 is matched with the other end of the adjusting curved bars 6;

the sealing strip 12 which is in closed loop arrangement is adhered to the outer wall position of the valve plate 10, which is close to the inner wall of the hopper 8, one side, which is close to each other, of the two valve plates 10 is adhered to the lower curved arc piece 18, the outer wall of one side, which is close to the two lower curved arc pieces 18, is tangent, the air cylinder assembly 2 which is in vertical arrangement is arranged at the four corners of the upper box body 1, the tail ends of the output shafts of the four air cylinder assemblies 2 are connected with the lower box body 4, the inclined slide plate 15 is arranged at the inner wall position of the hopper 8, the connecting shaft block 14 is arranged at the outer wall position of one side of the inclined slide plate 15, the end separating air cylinder 13 is arranged at the position of the hopper 8, which corresponds to the inclined slide plate 15, a transmission shaft of the end separating air cylinder 13 is connected with the connecting shaft block 14, and a through groove which is matched with the connecting shaft block 14 is formed in the hopper 8.

Working principle: referring specifically to fig. 2 and 3, when dust enters a collection structure such as a dust tank through a telescopic valve structure in the present embodiment along a pipeline system, the valve plate 10 at this time is turned downward through the adjusting cylinder 7 and the adjusting crank 6, so that the whole telescopic valve is in a communicating state;

when the collecting structure such as the ash can needs to be replaced, the valve plates 10 need to be reset again through the adjusting cylinder 7 and the adjusting bent rod 6, in this state, the intersection of the two valve plates 10 is provided with a lower bent arc piece 18 for sealing the intersection between the valve plates 10, and the rotation action of the valve plates 10 is not interfered;

the sealing strip 12 additionally arranged outside the valve plate 10 is used for sealing a gap between the valve plate 10 and the inner wall of the hopper 8, particularly when the telescopic valve is in a closed state, the two valve plates 10 are close to each other and tend to be horizontal, in the state, the inclined sliding plate 15 is driven by the end separating cylinder 13 to slide downwards to the maximum stroke, the rubber column at the tail end of the inclined sliding plate 15 is clamped in the sealing groove 11, and the telescopic valve is positioned in a relatively sealed environment at the upper side part of the valve plate 10, so that dust is prevented from overflowing into the external environment along the gap.

Example two

As shown in the first embodiment, through starting the air pipe assembly, the lower box is driven to move upwards, so as to replace the collection structure such as the ash can, therefore, the following scheme is provided, and the purpose is to accelerate the connection efficiency when the ash can is replaced:

the setting direction of the inclined slide plate 15 is perpendicular to the setting direction of the sealing strip 12, a rubber column is attached to the tail end position of the inclined slide plate 15, a sealing groove 11 matched with the rubber column is formed in the upper surface of the valve plate 10, a connecting pipe orifice 5 is arranged at the lower side position of the lower box body 4, and a sealing gasket 9 is arranged at the position, close to the bottom end of the inner wall of the lower box body 4, of the connecting pipe orifice 5;

an inflatable rubber ring 17 is arranged at the inner curved surface of the connecting pipe orifice 5, and an air pipe 16 is connected to the inflatable rubber ring 17.

Working principle: referring to fig. 6, when a collection structure such as an ash can needs to be replaced, the expansion valve needs to be sealed in the manner of embodiment one, and then the plurality of cylinder assemblies 2 are started to drive the connecting pipe orifice 5 in the lower case 4 to separate from the connection position of the collection structure such as the ash can;

when a new collection structure such as a dust tank is replaced, the plurality of cylinder assemblies 2 are started again to drive the lower box body 4 to move downwards until the connecting pipe orifice 5 is clamped at the connecting position of the collection structure such as the dust tank, the sealing gasket 9 is aligned to the connecting position, at the moment, the structure such as an air pump is needed to be used, one end of the air pipe 16 is connected to the structure such as the air pump, the air pipe 16 is used for inflating the inflatable rubber ring 17 to expand the inflatable rubber ring, so that the inflatable rubber ring is completely clamped at the connecting position of the collection structure such as the dust tank, and the connecting position of the connecting pipe orifice 5 and the collection structure such as the dust tank is further sealed.

To sum up: the utility model is based on the valve plate as the sealing structure, the sealing strip is added at the gap between the valve plate and the hopper, the primary sealing structure is adopted here, and the utility model is mainly aimed at: under the closed state, the integral telescopic valve starts the valve plate to rotate mutually to achieve the closed effect, and the tail end of the inclined sliding plate which slides obliquely is inserted into the sealing groove of the valve plate, so that the integral telescopic valve can further strengthen the closed state, and dust is prevented from overflowing along the gap between the valve plate and the hopper under the closed state.

The foregoing is merely illustrative and explanatory of the utility model, as it is well within the scope of the utility model as claimed, as it relates to various modifications, additions and substitutions for those skilled in the art, without departing from the inventive concept and without departing from the scope of the utility model as defined in the accompanying claims.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims (5)

1. The utility model provides a telescopic valve for metallurgical system pipeline ash discharging high leakproofness, includes along last box (1) and lower box (4), its characterized in that, install hopper (8) in last box (1), install telescopic joint (3) between hopper (8) and the lower box (4), be provided with two valve plates (10) in hopper (8), the outside regulation cylinder (7) and two regulation curved bars (6) that are provided with corresponding valve plate (10) of last box (1), regulation cylinder (7) are installed on last box (1) with vertical direction, two regulation curved bars (6) one end rotate and connect on the transmission shaft of regulation cylinder (7), two valve plates (10) are symmetrical along the setting position of regulation cylinder (7), and the one end that valve plate (10) kept away from each other is in hopper (8) inside for rotating connection, the rotation point position of valve plate (10) matches with regulation curved bar (6) other end;

sealing strips (12) which are arranged in a closed loop are adhered to the positions, close to the inner wall of the hopper (8), of the valve plates (10), lower bent arc pieces (18) are adhered to one sides, close to each other, of the two valve plates (10), and the outer walls of the two sides, close to each other, of the lower bent arc pieces (18) are tangent.

2. The telescopic valve for discharging ash with high tightness for the metallurgical system pipeline according to claim 1 is characterized in that the four corners of the upper box body (1) are provided with air cylinder assemblies (2) which are vertically arranged, and the tail ends of output shafts of the four air cylinder assemblies (2) are connected with the lower box body (4).

3. The telescopic valve for discharging ash with high tightness of the metallurgical system pipeline according to claim 1, characterized in that an inclined slide plate (15) is arranged at the inner wall position of the hopper (8), a connecting shaft block (14) is arranged at the outer wall position of one side of the inclined slide plate (15), a split-end air cylinder (13) is arranged at the position of the hopper (8) corresponding to the inclined slide plate (15), a transmission shaft of the split-end air cylinder (13) is connected with the connecting shaft block (14), and a through groove matched with the connecting shaft block (14) is formed in the hopper (8).

4. The telescopic valve for discharging ash and high sealing performance of the metallurgical system pipeline according to claim 3, wherein the arrangement direction of the inclined sliding plate (15) is perpendicular to the arrangement direction of the sealing strip (12), a rubber column is attached to the tail end position of the inclined sliding plate (15), and a sealing groove (11) matched with the rubber column is formed in the upper surface of the valve plate (10).

5. The telescopic valve for discharging ash with high tightness of the metallurgical system pipeline according to claim 1 is characterized in that a connecting pipe orifice (5) is arranged at the lower side position of the lower box body (4), and a sealing gasket (9) is arranged at the position of the connecting pipe orifice (5) close to the bottom end of the inner wall of the lower box body (4);

an inflatable rubber ring (17) is arranged at the inner curved surface position of the connecting pipe orifice (5), and an air pipe (16) is connected to the inflatable rubber ring (17).