CN219341025U - Slag discharging device - Google Patents

Abstract

The application discloses a slag discharging device relates to the technical field of slag discharging. The disclosed slag discharging device comprises a slag discharging pipe and a dust suppression device, wherein the slag discharging pipe is provided with a first port and a second port, the first port is used for communicating a slag outlet of a slag bin, the second port is used for discharging slag, the first end of the dust suppression device is used for being connected with the slag bin, the dust suppression device is provided with an inner cavity, the second end of the dust suppression device is provided with a first opening communicated with the inner cavity, and the second port is positioned in the inner cavity. The scheme can solve the problem of larger dust in the process of unloading slag from the slag bin to the truck in the related art.

Description

Slag discharging device

Technical Field

The application belongs to the technical field of slag discharging, and particularly relates to a slag discharging device.

Background

In the process of power generation of a thermal power plant, ash residues are generated in the cement plant in the cement production process, are temporarily stored in an ash bin and are transported away for treatment through a truck or a tank car. In the process of unloading ash from the slag bin to the truck, the generated dust is larger, so that the working environment of unloading the slag is poorer.

Disclosure of Invention

The embodiment of the application aims to provide a slag discharging device, which can solve the problem that dust is large in the process of discharging slag from a slag bin to a truck in the related art.

In order to solve the technical problems, the application is realized as follows:

the application discloses slag discharging device, including slag discharging pipe and dust suppression device, wherein: the slag discharging pipe is provided with a first port and a second port, the first port is used for being communicated with a slag outlet of a slag bin, the second port is used for discharging slag, the first end of the dust suppression device is used for being connected with the slag bin, the dust suppression device is provided with an inner cavity, the second end of the dust suppression device is provided with a first opening communicated with the inner cavity, and the second port is located in the inner cavity.

In this application embodiment, at the in-process of unloading the sediment, the lime-ash falls on the freight train through the second port of slag discharge pipe 100 and the first opening of dust suppression device, and the second port of slag discharge pipe is arranged in the inner chamber of dust suppression device for dust suppression device can surround the raise dust, avoids the further diffusion of raise dust, thereby makes dust suppression device can play the dust suppression effect, reduces the raise dust of unloading the sediment in-process. Therefore, the dust removing device can solve the problem that dust is large in the process of unloading slag from the slag bin to the truck in the related technology.

Drawings

FIG. 1 is a schematic structural view of a slag discharging device when a dust suppression device disclosed in an embodiment of the present application is in a shortened state;

fig. 2 is an enlarged view at a in fig. 1;

FIG. 3 is an enlarged view at B in FIG. 1;

FIG. 4 is a schematic structural view of a slag discharging device when the dust suppression device disclosed in the embodiment of the present application is in an extended state;

FIG. 5 is a schematic view of a dust suppression device in an extended state according to an embodiment of the present application;

fig. 6 is a schematic view of a structure in which a first block disclosed in an embodiment of the present application is mounted on a second stopper.

Reference numerals illustrate:

100-slag discharge pipe, 110-first port, 120-second port, 130-buffer ring,

200-dust suppression device, 210-first sleeve, 211-first block, 212-first stop, 213-first stop, 220-second sleeve, 221-second block, 222-second stop, 223-second stop, 230-third sleeve, 231-third block, 232-third stop, 233-third stop, 240-fixed tube, 241-fourth block, 242-fourth stop, 250-inner cavity, 260-first opening,

310-on-off valve, 320-normally open valve,

400-negative pressure pipe,

510-hanging ring, 520-hanging rope,

600-slag bin running layer.

Detailed Description

Technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application are within the scope of the protection of the present application.

The terms first, second and the like in the description and in the claims, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type and not limited to the number of objects, e.g., the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

Referring to fig. 1 to 6, an embodiment of the present application discloses a slag discharging device, which includes a slag discharging pipe 100 and a dust suppression device 200. The slag discharging pipe 100 is provided with a first port 110 and a second port 120, the first port 110 is used for being communicated with a slag outlet of a slag bin, the second port 120 is used for discharging slag, so that slag in the slag bin flows out of the slag bin through the slag discharging pipe 100, a first end of the dust suppression device 200 is used for being connected with the slag bin, the dust suppression device 200 is provided with an inner cavity 250, a second end of the dust suppression device 200 is provided with a first opening 260 communicated with the inner cavity 250, in the slag discharging process, the slag sequentially passes through the second port 120 and the first opening 260 and falls onto a truck, and the second port 120 is positioned in the inner cavity 250, so that the dust suppression device can surround flying dust and further spread of the flying dust is avoided.

In this embodiment, in the process of unloading the slag, the ash falls onto the truck through the second port 120 of the slag discharge pipe 100 and the first opening 260 of the dust suppression device 200, and the second port 120 of the slag discharge pipe 100 is located in the inner cavity 250 of the dust suppression device 200, so that the dust suppression device 200 can enclose the dust, further diffusion of the dust is avoided, and the dust suppression device 200 can play a role in suppressing the dust, and reduce the dust in the process of unloading the slag. Therefore, the dust removing device can solve the problem that dust is large in the process of unloading slag from the slag bin to the truck in the related technology.

Alternatively, the dust suppression device 200 may be made of plastic. Or, the material of the dust suppression device 200 can be steel, so that the strength of the dust suppression device 200 is improved, the dust suppression device 200 is not easy to damage, the maintenance workload and the maintenance cost for the dust suppression device 200 are reduced, and the service life of the dust suppression device 200 is prolonged.

In an alternative embodiment, the height of the dust suppression device 200 may be greater than or equal to the depth of the boxcar, the first opening 260 of the dust suppression device 200 may be abutted against the bottom of the boxcar, and in the process of unloading the slag, the first opening 260 is attached to the bottom of the boxcar, so that the problem that the dust overflows from between the first opening 260 and the bottom of the boxcar is relieved, and the dust is further reduced. The height direction of the dust suppression device 200 is a vertical direction.

In another alternative embodiment, the dust suppression device 200 may be a telescopic structure, and the telescopic direction of the dust suppression device 200 may be consistent with the tapping direction of the tapping pipe 100. In the process of unloading the slag, the first opening 260 can be abutted against the bottom of the boxcar, and as the height of the slag in the boxcar increases, the dust suppression device 200 is shortened, so that the distance between the first opening 260 and the bottom of the boxcar increases, and the slag can always fall into the boxcar through the first opening 260, that is, the dust suppression device 200 can be lengthened or shortened according to the height of the slag in the boxcar to adjust the height of the first opening 260.

The dust suppression device 200 with the structure can be suitable for trucks with different sizes, can enable the dust suppression device 200 to be in an extension state under the condition of needing to discharge slag, gradually shortens the dust suppression device 200 according to the height of ash in the truck, and can enable the dust suppression device 200 to be in a shortening state under the condition of not needing to discharge slag, so that the occupied space of the dust suppression device 200 is reduced.

There are various constructions of the dust suppression device 200, and in an alternative embodiment, the dust suppression device 200 may include a bellows.

In another alternative embodiment, the dust suppression device 200 may include a first sleeve 210 and a fixed pipe 240, wherein a first end of the fixed pipe 240 is used to be connected with the slag bin, for example, the first end of the fixed pipe 240 may be fixedly connected to a bottom steel plate of the slag bin operation layer 600 by welding, an axial direction of the fixed pipe 240 may be consistent with a vertical direction, the second port 120 of the slag discharging pipe 100 is located in the fixed pipe 240, the first sleeve 210 is movably sleeved outside the fixed pipe 240, and a moving direction of the first sleeve 210 may be consistent with the axial direction of the fixed pipe 240.

The inner wall of the first sleeve 210 may be convexly provided with the first block 211, the first block 211 may be located at the top end of the first sleeve 210, the outer wall of the fixed pipe 240 may be convexly provided with the fourth block 242, the fourth block 242 may be located at the bottom end of the fixed pipe 240, the first block 211 may be mounted on the fourth block 242, and in the case that the first block 211 is mounted on the fourth block 242, the height of the dust suppression device 200 is the largest. The height of the dust suppression device 200 refers to the dimension of the dust suppression device 200 in the height direction, and the height direction of the dust suppression device 200 coincides with the axial direction of the fixing tube 240.

To effect movement of the first sleeve 210 relative to the stationary tube 240, the first sleeve 210 may be provided with a connection structure for connecting to a drive mechanism, which may drive the first sleeve 210 to move relative to the stationary tube 240 when the connection structure is connected to the drive mechanism. In this case, the depth of the dust suppression device 200 is adjusted by moving the first sleeve 210 relative to the fixed pipe 240, and the structure is simple.

Alternatively, the connection structure may include a lifting ring 510, the driving mechanism may include a hoist, the hoist and the lifting ring 510 may be connected by a lifting rope 520, the lifting rope 520 may be a steel wire rope, and the hoist may be started to drive the first sleeve 210 to move, thereby driving the first sleeve 210 to move, where the number of lifting rings 510 may be multiple, for example, 3.

In a further aspect, the dust suppression device 200 may further include a second sleeve 220, where the second sleeve 220 may be sleeved outside the fixed tube 240 and sleeved inside the first sleeve 210, the second sleeve 220 may move relative to the first sleeve 210 and the fixed tube 240, and a moving direction of the second sleeve 220 may be consistent with an axial direction of the fixed tube 240.

The inner wall of the second sleeve 220 may be convexly provided with a second block 221, the second block 221 may be located at the top end of the second sleeve 220, the outer wall of the second sleeve 220 may be convexly provided with a second block 222, the second block 222 may be located at the bottom end of the second sleeve 220, the second block 221 may be mounted on a fourth block 242, the first block 211 may be mounted on the second block 222, and the height of the dust suppression device 200 is the largest when the first block 211 is mounted on the second block 222 and the second block 221 is mounted on the fourth block 242.

The outer wall of the second sleeve 220 may be convexly provided with a second limiting block 223, the second limiting block 223 may be located at the top end of the second sleeve 220, the first lapping block 211 may abut against the second limiting block 223, when the first sleeve 210 moves in a direction close to the first end of the fixed pipe 240, the first lapping block 211 may push the second limiting block 223 to move along with the first lapping block 211, so that the second sleeve 220 moves along with the first sleeve 210 in a direction close to the first end of the fixed pipe 240, and of course, when the first sleeve 210 moves in a direction far from the first end of the fixed pipe 240, the second sleeve 220 moves along with the first sleeve 210 in a direction far from the first end of the fixed pipe 240 under the action of gravity of the second sleeve 220, and the second limiting block 223 is mounted on the first lapping block 211.

In this case, the extension of the telescopic length of the dust suppression device 200 can be achieved by adding the second sleeve 220, and the first bump 211 can be abutted against the second limiting block 223, so that the second sleeve 220 can move along with the first sleeve 210, thereby realizing the movement of the first sleeve 210 and the second sleeve 220.

In a further technical solution, the outer wall of the first sleeve 210 may be convexly provided with a first limiting block 213, the first limiting block 213 may be located above the first lapping block 211 (directly above along the vertical direction), and the first limiting block 213 and the first lapping block 211 form a first step, and the second limiting block 223 may be mounted on the first step.

In this case, the first step can prevent the second stopper 223 from moving in a direction perpendicular to the telescopic direction, and structural stability and reliability of the dust suppression device 200 are improved.

The dust suppression device 200 may further include a third sleeve 230, where the third sleeve 230 may be sleeved outside the fixed tube 240 and sleeved inside the second sleeve 220, that is, in this application, the third sleeve 230 is sleeved outside the fixed tube 240, the second sleeve 220 is sleeved outside the third sleeve 230, the first sleeve 210 is sleeved outside the second sleeve 220, and the third sleeve 230 may move relative to the first sleeve 210, the second sleeve 220, and the fixed tube 240.

The inner wall of the third sleeve 230 may be convexly provided with a third block 231, the third block 231 may be located at the top end of the third sleeve 230, the outer wall of the third sleeve 230 may be convexly provided with a third block 232, the third block 232 may be located at the bottom end of the third sleeve 230, the third block 231 may be mounted on the fourth block 242, the second block 221 may be mounted on the third block 232, the first block 211 may be mounted on the second block 222, and the first block 211 may be mounted on the second block 222. When the third block 231 is mounted on the fourth stopper 242, the second block 221 is mounted on the third stopper 232, and the first block 211 is mounted on the second stopper 222, the height of the dust suppression device 200 is maximized.

The outer wall of the third sleeve 230 may be convexly provided with a third stopper 233, the third stopper 233 may be located at the top end of the third sleeve 230, the second bump 221 may abut against the third stopper 233, when the first sleeve 210 moves in a direction approaching the first end of the fixed pipe 240, the first bump 211 may push the second stopper 223 to move along with the first bump 211, the second bump 221 may push the third stopper 233 to move along with the second bump 221 so that the second sleeve 220 and the third sleeve 230 move along with the first sleeve 210 in a direction approaching the first end of the fixed pipe 240, and of course, when the first sleeve 210 moves in a direction departing from the first end of the fixed pipe 240, the second sleeve 220 moves along with the first sleeve 210 in a direction departing from the first end of the fixed pipe 240 under the action of gravity, the second stopper 223 is mounted on the first bump 211, and the third sleeve 230 moves along with the first sleeve 210 and the second sleeve 220 in a direction departing from the first end of the fixed pipe 240 under the action of gravity, and the third stopper 233 is mounted on the second bump 221.

In this case, the telescopic length of the dust suppression device 200 can be further extended.

In a further technical solution, the second limiting block 223 may be located above the second lapping block 221 (directly above in the vertical direction), and the second limiting block 223 and the second lapping block 221 may form a second step, and the second limiting block 223 may be mounted on the first step.

In this case, the second step can prevent the third stopper 233 from moving in a direction perpendicular to the telescopic direction, and structural stability and reliability of the dust suppression device 200 are improved.

The first lapping block 211 and one end of the first stopper 212 far away from the pipe wall of the first sleeve 210 are of a curved surface structure (for example, a semi-cylindrical surface or a semi-spherical surface), the second lapping block 221, the second stopper 222 and one end of the second stopper 223 far away from the pipe wall of the second sleeve 220 are of a curved surface structure, and the third lapping block 231, the third stopper 232 and one end of the third stopper 233 far away from the pipe wall of the third sleeve 230 are of a curved surface structure. The first block 211, the first block 212, the second block 221, the second block 222, the second stopper 223, the third block 231, the third block 232, and the third stopper 233 may have an annular structure.

In the above-mentioned scheme, the first end of the fixing tube 240 is used for being connected with the slag bin, in a further technical scheme, the first end of the fixing tube 240 is used for being fixedly connected with the slag bin, for example, by welding, and the first end of the fixing tube 240 is used for being attached to the wall of the slag bin, that is, in the case that the fixing tube 240 is connected with the slag bin, the first end of the fixing tube 240 is attached to the slag bin. Alternatively, the outer wall of the first end of the fixing tube 240 may be convexly provided with a fourth block 241, and the fourth block 241 may be fixedly connected with the bottom steel plate of the slag bin operation layer 600 by means of welding.

Under this kind of circumstances, can increase the connection compactness of fixed pipe 240 and sediment storehouse, alleviate the sediment in-process of unloading, the raise dust is gone out the problem that overflows from the hookup location of fixed pipe 240 and sediment storehouse, further reduces the raise dust.

In addition, in the process of discharging the slag, the first opening 260 of the dust suppression device 200 is abutted against the bottom of the truck carriage, and the other end of the dust suppression device 200 is attached to the slag bin, so that the slag bin, the dust suppression device 200 and the bottom of the truck carriage enclose a relatively airtight environment, the second port 120 of the slag discharge pipe 100 is positioned in the dust suppression device 200, and the dust suppression device 200 encloses the dust generated in the slag discharge process, so that the effect of reducing the dust is achieved.

The inner wall of the slag discharging pipe 100 is provided with the buffer ring 130, the buffer ring 130 is located at the second port 120, and the buffer ring 130 can be convexly arranged on the inner wall of the slag discharging pipe 100 towards the direction in the slag discharging pipe 100, so that the inner diameter of the buffer ring 130 is smaller than the inner diameter of the slag discharging pipe 100, when ash flows through the buffer ring 130, the flow rate of the ash can be reduced, the slag discharging speed of the slag discharging pipe 100 is reduced, and the slag discharging speed of the slag discharging pipe 100 is reduced to help reduce flying dust.

The slag discharging device further includes a switching valve 310 and a normally open valve 320, wherein the switching valve 310 and the normally open valve 320 can be both arranged on the slag discharging pipe 100, and the normally open valve 320 can be arranged at the upstream of the switching valve 310 along the flowing direction of slag in the slag discharging pipe 100. In this case, when the on-off valve 310 needs to be overhauled, the normally open valve 320 may be closed, so that ash is prevented from moving in the slag discharging pipe 100 when the on-off valve 310 is overhauled.

In this embodiment of the application, the slag discharging device may further include a negative pressure dust collecting device, the negative pressure dust collecting device may include a negative pressure pipe 400 and a negative pressure fan, one end of the negative pressure pipe 400 may be communicated with the inner cavity 250 of the dust suppression device 200, and the other end of the negative pressure pipe 400 may be used for communicating with the slag bin. Under the condition, the dust generated in the slag unloading process can be sucked into the slag bin by the negative pressure dust suction device, so that the dust is further reduced.

In addition, after the negative pressure fan is started, the inside of the dust suppression device 200 can be kept in a negative pressure environment, and dust emission can be further reduced.

In a further technical solution, the negative pressure pipe 400 may be provided with a one-way valve, which may be turned on in the direction from the dust suppression device 200 to the slag bin and turned off in the direction from the slag bin to the dust suppression device 200. In this case, the problem that the ash in the slag bin enters the negative pressure dust collection device can be relieved.

The embodiments of the present application have been described above with reference to the accompanying drawings, but the present application is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.

Claims (10)

1. The utility model provides a slag discharging device which is characterized in that, including slag discharging pipe (100) and dust suppression device (200), wherein: the slag discharge pipe (100) is provided with a first port (110) and a second port (120), the first port (110) is used for being communicated with a slag outlet of a slag bin, the second port (120) is used for discharging slag, the first end of the dust suppression device (200) is used for being connected with the slag bin, the dust suppression device (200) is provided with an inner cavity (250), the second end of the dust suppression device (200) is provided with a first opening (260) communicated with the inner cavity (250), and the second port (120) is located in the inner cavity (250).

2. The slag discharging device as set forth in claim 1, wherein the dust suppressing device (200) is of a telescopic structure, and a telescopic direction of the dust suppressing device (200) is identical to a slag discharging direction of the slag discharging pipe (100).

3. The slag discharging device as set forth in claim 2, wherein the dust suppression device (200) includes a first sleeve (210) and a fixed tube (240), a first end of the fixed tube (240) being adapted to be connected to the slag bin, the second port (120) of the slag discharging tube (100) being located within the fixed tube (240), the first sleeve (210) being movably sleeved outside the fixed tube (240);

the inner wall of the first sleeve (210) is convexly provided with a first lapping block (211), the first lapping block (211) is positioned at the top end of the first sleeve (210), the outer wall of the fixed pipe (240) is convexly provided with a fourth stop block (242), the fourth stop block (242) is positioned at the bottom end of the fixed pipe (240), and the first lapping block (211) can be lapped on the fourth stop block (242);

the first sleeve (210) is provided with a connection structure for connecting a drive mechanism, which drive mechanism can drive the first sleeve (210) to move relative to the stationary tube (240) when the connection structure is connected to the drive mechanism.

4. A slag extractor according to claim 3, wherein the dust suppression device (200) further comprises a second sleeve (220), the second sleeve (220) being arranged outside the fixed pipe (240) and inside the first sleeve (210), the second sleeve (220) being movable relative to the first sleeve (210) and the fixed pipe (240);

the inner wall of the second sleeve (220) is convexly provided with a second lapping block (221), the second lapping block (221) is positioned at the top end of the second sleeve (220), the outer wall of the second sleeve (220) is convexly provided with a second stop block (222), the second stop block (222) is positioned at the bottom end of the second sleeve (220), the second lapping block (221) can be lapped on the fourth stop block (242), and the first lapping block (211) can be lapped on the second stop block (222);

the outer wall of the second sleeve (220) is convexly provided with a second limiting block (223), the second limiting block (223) is located at the top end of the second sleeve (220), the first lapping block (211) can be abutted to the second limiting block (223), and under the condition that the first sleeve (210) moves towards the first end close to the fixed pipe (240), the first lapping block (211) can push the second limiting block (223) to move along with the first lapping block (211).

5. The slag discharging device according to claim 4, wherein a first limiting block (213) is convexly arranged on the outer wall of the first sleeve (210), the first limiting block (213) is located at the top end of the first sleeve (210), the first limiting block (213) is located above the first lapping block (211), the first limiting block (213) and the first lapping block (211) form a first step, and the second limiting block (223) can be lapped on the first step.

6. A slag tapping apparatus as claimed in claim 3, characterized in that the first end of the fixing tube (240) is adapted to be fixedly connected to the slag bin and adapted to be fitted to the slag bin.

7. The slag discharging device as claimed in claim 1, wherein a buffer ring (130) is provided on an inner wall of the slag discharging pipe (100), the buffer ring (130) being located at the second port (120).

8. The slag discharging device according to claim 1, further comprising a switching valve (310) and a normally open valve (320), the switching valve (310) and the normally open valve (320) being both provided to the slag discharging pipe (100), and the normally open valve (320) being located upstream of the switching valve (310) in the flow direction of the slag in the slag discharging pipe (100).

9. The slag discharging device according to claim 1, further comprising a negative pressure dust suction device comprising a negative pressure pipe (400) and a negative pressure fan, one end of the negative pressure pipe (400) being in communication with the inner cavity (250) of the dust suppression device (200), the other end of the negative pressure pipe (400) being for communication with the slag bin.

10. The slag discharging device as set forth in claim 9, wherein the negative pressure pipe (400) is provided with a check valve that is conducted in a direction from the dust suppressing device (200) to the slag bin.

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