CN214248658U - Sealing device and slag discharging system - Google Patents
Sealing device and slag discharging system Download PDFInfo
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- CN214248658U CN214248658U CN202022750199.3U CN202022750199U CN214248658U CN 214248658 U CN214248658 U CN 214248658U CN 202022750199 U CN202022750199 U CN 202022750199U CN 214248658 U CN214248658 U CN 214248658U
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Abstract
The utility model provides a sealing device and slag discharge system relates to the field of coal pulverizer sediment equipment. The sealing device comprises a sealing flange, a pressing flange and a driving piece; the sealing flange can be arranged at a slag inlet of the slag accumulation box, a first annular groove is formed in the upper surface of the sealing flange along the circumferential direction of a central hole of the sealing flange, a first sealing ring is arranged in the first annular groove, and the first sealing ring is exposed out of the first annular groove; the lower pressing flange can be arranged at a slag discharge port of a slag discharge pipe of the coal mill, a pressing ring and a second sealing ring are arranged at the bottom of the lower pressing flange from inside to outside, and the pressing ring can correspond to the first sealing ring; the driving piece can drive the pressing flange to move downwards, so that the pressing ring compresses the first sealing ring and the second sealing ring is abutted to the upper surface of the sealing flange. This sealing device, during the use, the driving piece drives and pushes down flange downstream, and the clamping ring is with the inseparable butt of first sealing washer, and the inseparable butt of second sealing washer is in sealing flange's upper surface to form two by interior and outside and seal effectually.
Description
Technical Field
The utility model relates to a technical field of coal pulverizer slag extractor, particularly, relate to a sealing device and slag discharge system.
Background
The coal mill grinds coal into pulverized coal to provide fuel for a boiler, but coal slag such as pebble coal in the coal cannot be ground into the pulverized coal by the coal mill, so the pulverized coal needs to be discharged and transported away in time.
In the prior art, when slag is discharged, the slag accumulation box is arranged below a slag discharge pipe of a coal mill, and a slag inlet of the slag accumulation box is aligned with a slag discharge port of the slag discharge pipe. In addition, in order to realize the isobaric deslagging of the slag box and the slag discharge pipe and reduce the pollution of waste gas, dust and the like to the environment, a sealing device is also arranged between the slag inlet of the slag box and the slag discharge port of the slag discharge pipe.
However, the sealing device in the prior art often leaks gas and dust, and the sealing effect is poor.
SUMMERY OF THE UTILITY MODEL
A first object of the utility model is to provide a sealing device to solve the sealing device that exists among the prior art often leak gas, leak the dust, sealed effect is poor technical problem.
The utility model provides a sealing device, which comprises a sealing flange, a pressing flange and a driving piece;
the sealing flange can be arranged at a slag inlet of the slag accumulation box, a first annular groove is formed in the upper surface of the sealing flange along the circumferential direction of a central hole of the sealing flange, a first sealing ring is arranged in the first annular groove, and the first sealing ring is exposed out of the first annular groove;
the lower pressing flange can be arranged at a slag discharge port of a slag discharge pipe of the coal mill, a pressing ring and a second sealing ring are arranged at the bottom of the lower pressing flange from inside to outside, and the pressing ring can correspond to the first sealing ring;
the driving piece can drive the downward pressing flange to move downwards, so that the pressing ring compresses the first sealing ring and enables the second sealing ring to abut against the upper surface of the sealing flange.
Furthermore, a second ring groove is further formed in the upper surface of the sealing flange along the circumferential direction of the central hole of the sealing flange, and the second ring groove is located on the outer side of the first ring groove;
a third sealing ring is arranged in the second annular groove, and the third sealing ring is exposed out of the second annular groove; when the driving piece drives the pressing flange to move downwards, the pressing ring can simultaneously press the first sealing ring and the third sealing ring.
Furthermore, the lower surface of the pressing ring is provided with a groove, the inner groove wall of the groove corresponds to the first sealing ring, and the outer groove wall of the groove corresponds to the third sealing ring.
Furthermore, the second sealing ring is arranged on an installation plate, the installation plate is arranged at the bottom of the lower pressing flange, and the installation plate is annular and is provided with a plurality of clamping grooves along the circumferential direction;
the top of second sealing washer is provided with a plurality of dopes, and is a plurality of the dop is with a plurality of draw-in groove one-to-one and match the joint.
Further, a first mounting groove is formed in the outer side of the top of the compression ring;
the bottom of the pressing flange is also provided with a fixing ring, the fixing ring is positioned on the outer side of the pressing ring, and the inner side of the top of the fixing ring is provided with a second mounting groove;
the inner side of the mounting plate is inserted into the first mounting groove, and the outer side of the mounting plate is inserted into the second mounting groove.
Furthermore, the slag inlet of the sealing flange is in a horn mouth shape with a wide upper part and a narrow lower part, the bottom of the downward pressing flange is provided with an annular guide piece coaxial with a central hole of the downward pressing flange, the outer side surface of the lower part of the annular guide piece is a conical surface with a large upper part and a small lower part, and the conical surface can be accommodated in the slag inlet of the sealing flange.
Further, the driving piece is a pressing cylinder, the pressing cylinder can be fixedly installed on the outer wall surface of the slag discharging pipe, and an air rod of the pressing cylinder is fixedly connected with the pressing flange and can drive the pressing flange to move up and down.
Furthermore, the lower pressing flange is rectangular and is provided with a first edge, a second edge, a third edge and a fourth edge which are sequentially connected along the circumferential direction of the lower pressing flange;
the number of the pressing cylinders is two, the pressing cylinders are respectively a first cylinder and a second cylinder, and the first cylinder is close to the first edge and is arranged in the middle relative to the first edge; the second cylinder is proximate to and centered relative to the third side;
the sealing device further comprises a first lower pressing rod and a second lower pressing rod, the first lower pressing rod is parallel to the first edge and arranged in the middle relative to the first edge, the middle of the first lower pressing rod is fixedly connected with the air rod of the first air cylinder, and two ends of the first lower pressing rod are respectively fixedly connected with the lower pressing flange; the second lower pressing rod is parallel to the third edge and arranged in the middle relative to the third edge, the middle of the second lower pressing rod is fixedly connected with the air rod of the second air cylinder, and two ends of the second lower pressing rod are respectively fixedly connected with the lower pressing flange.
The utility model provides a sealing device can produce following beneficial effect:
in the sealing device provided by the utility model, the sealing flange can be arranged at the slag inlet of the slag accumulation box, the upper surface of the sealing flange is provided with a first ring groove, a first sealing ring is arranged in the first ring groove, and the first sealing ring is exposed out of the first ring groove; the lower pressure flange can be installed in the row's cinder notch of coal pulverizer row sediment pipe, the bottom of lower pressure flange is by interior and be provided with clamping ring and second sealing washer outward, when the driving piece drives lower pressure flange downstream, the clamping ring can with the inseparable butt of first sealing washer, and the second sealing washer then can inseparable butt in sealing flange's upper surface, thereby, sealing device is by interior and outer formation twice is sealed, and the driving piece drives lower pressure flange and applys the holding down force to sealing flange, make first sealing washer and second sealing washer homoenergetic warp, thereby can further strengthen sealed effect, effectively avoid gas leakage, the emergence of the condition of leaking the dust.
A second object of the utility model is to provide a slag discharge system to solve the sealing device who exists among the prior art often leak gas, leak the dust, sealed effect is poor technical problem.
The utility model provides a slag discharging system, including long-pending sediment case and sealing device, sealing flange fixed mounting in the slag inlet of long-pending sediment case.
The utility model provides a slag discharge system has foretell sealing device's whole advantages, so no longer gives unnecessary details here.
Furthermore, the slag discharging system further comprises a movable guide rail and a static guide rail which are matched, the static guide rail is fixed on the ground, the movable guide rail is arranged at the bottom of the slag box, and the slag box can move along the static guide rail through the movable guide rail.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural view of a sealing device of a slag discharging system provided by the present invention in an open state;
fig. 2 is a schematic structural view of the sealing device of the slag discharging system provided by the present invention in a sealing state;
fig. 3 is a schematic view of a partial structure of the sealing device in a sealing state according to the present invention.
Description of reference numerals:
100-a slag discharge pipe; 110-sealing telescopic sleeve; 120-a connecting flange; 130-installing a pipe; 140-lower mounting tube;
200-a sealing device; 210-a sealing flange; 211-a first ring groove; 212-a second ring groove; 221-a first seal ring; 222-a third seal ring; 230-pressing down the flange; 240-pressure ring; 241-grooves; 242 — a first mounting groove; 250-a second seal ring; 251-a chuck; 260-mounting a plate; 261-card slot; 270-a fixed ring; 271-a second mounting groove; 280-a ring guide; 281-conical surface; 290-a hold-down cylinder;
300-slag accumulation box;
410-a movable guide rail; 420-stationary guide rail.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The present embodiment provides a sealing device 200, as shown in fig. 1 to 3, the sealing device 200 includes a sealing flange 210, a pressing flange 230, and a driving member; the sealing flange 210 can be installed at a slag inlet of the slag accumulation box 300, a first annular groove 211 is formed in the upper surface of the sealing flange 210 along the circumferential direction of a central hole of the sealing flange, a first sealing ring 221 is arranged in the first annular groove 211, and the first sealing ring 221 is exposed out of the first annular groove 211; the lower pressing flange 230 can be arranged at a slag discharge port of the slag discharge pipe 100 of the coal mill, a pressing ring 240 and a second sealing ring 250 are arranged at the bottom of the lower pressing flange 230 from inside to outside, and the pressing ring 240 can correspond to the first sealing ring 221; the driving member can drive the pressing flange 230 to move downward, so that the pressing ring 240 presses the first sealing ring 221 and the second sealing ring 250 abuts against the upper surface of the sealing flange 210.
In the sealing device 200 provided in this embodiment, the sealing flange 210 can be installed at the slag inlet of the slag accumulation box 300, the upper surface of the sealing flange 210 is provided with a first ring groove 211, a first sealing ring 221 is disposed in the first ring groove 211, and the first sealing ring 221 exposes out of the first ring groove 211; the lower pressing flange 230 can be installed at a slag discharge port of the slag discharge pipe 100 of the coal mill, and a pressing ring 240 and a second sealing ring 250 are arranged at the bottom of the lower pressing flange 230 from inside to outside. When the driving member drives the pressing flange 230 to move downward, the pressing ring 240 can be tightly abutted with the first sealing ring 221, and the second sealing ring 250 can be tightly abutted with the upper surface of the sealing flange 210, so that the sealing device 200 forms two seals from inside to outside; in addition, the driving member drives the pressing flange 230 to apply downward pressure to the sealing flange 210, so that the first sealing ring 221 and the second sealing ring 250 can both deform, the sealing effect can be further enhanced, and the situations of air leakage and dust leakage are effectively avoided.
Specifically, in this embodiment, as shown in fig. 3, a second annular groove 212 is further formed on the upper surface of the sealing flange 210 along the circumferential direction of the central hole thereof, and the second annular groove 212 is located outside the first annular groove 211; a third sealing ring 222 is arranged in the second annular groove 212, and the third sealing ring 222 is exposed out of the second annular groove 212; when the driving member drives the pressing flange 230 to move downward, the pressing ring 240 can simultaneously press the first sealing ring 221 and the third sealing ring 222. In this arrangement, the sealing device 200 forms three seals from inside to outside, and the sealing effect is further enhanced.
Specifically, in this embodiment, as shown in fig. 3, a groove 241 is formed on the lower surface of the pressing ring 240, an inner groove wall of the groove 241 corresponds to the first sealing ring 221, and an outer groove wall of the groove 241 corresponds to the third sealing ring 222.
More specifically, in this embodiment, the bottom of the groove 241 may be provided with a through hole, the bottom of the lower flange 230 may be provided with a first threaded hole, and the threaded fastener may pass through the through hole of the pressing ring 240 and be fixed to the first threaded hole of the lower flange 230, so as to fix the pressing ring 240 to the lower flange 230.
Specifically, in this embodiment, the second sealing ring 250 is disposed on the mounting plate 260, the mounting plate 260 is disposed at the bottom of the lower pressure flange 230, and the mounting plate 260 is annular and is provided with a plurality of clamping grooves 261 along its circumferential direction; the top of the second sealing ring 250 is provided with a plurality of clamping heads 251, and the plurality of clamping heads 251 are in one-to-one correspondence with the plurality of clamping grooves 261 and are in matched clamping connection.
More specifically, in the present embodiment, the number of the clamping grooves 261 is six, and the six clamping grooves 261 are uniformly arranged along the circumferential direction of the mounting plate 260; correspondingly, six chucks 251 are arranged at the top of the second seal ring 250, and the six chucks 251 are uniformly arranged along the circumferential direction of the second seal ring 250. So configured, the connection of the second sealing ring 250 with the mounting plate 260 is more firm and stable as a whole.
It should be noted that, in other embodiments of the present application, the number and arrangement of the clamping grooves 261 on the mounting plate 260 and the number and arrangement of the clamping heads 251 on the second sealing ring 250 are not limited to the above forms, as long as the plurality of clamping heads 251 and the plurality of clamping grooves 261 can be matched and clamped in a one-to-one correspondence manner, and the present application is not particularly limited.
Specifically, in this embodiment, as shown in fig. 3, a first mounting groove 242 is disposed on the outer side of the top of the pressing ring 240; the bottom of the pressing flange 230 is further provided with a fixing ring 270, the fixing ring 270 is located on the outer side of the pressing ring 240, and the inner side of the top of the fixing ring 270 is provided with a second mounting groove 271; the inner side of the mounting plate 260 is inserted into the first mounting groove 242, and the outer side of the mounting plate 260 is inserted into the second mounting groove 271.
More specifically, in this embodiment, the fixing ring 270 may be provided with a through hole, the bottom of the hold-down flange 230 may be provided with a second threaded hole, and the threaded fastener may pass through the through hole of the pressing ring 240 to be fixed to the second threaded hole of the hold-down flange 230, thereby fixing the fixing ring 270 to the hold-down flange 230.
In this embodiment, the pressing ring 240 and the fixing ring 270 are detachably connected to the lower pressing flange 230 through a threaded fastener, so that the mounting plate 260 and the second sealing ring 250 thereon are conveniently detached from the lower pressing flange 230, the second sealing ring 250 is conveniently detached from the mounting plate 260, and the second sealing ring 250 is conveniently replaced.
Specifically, in the present embodiment, as shown in fig. 1 and fig. 2, the slag inlet of the sealing flange 210 is in a bell mouth shape with a wide top and a narrow bottom, the bottom of the hold-down flange 230 is provided with an annular guide 280 coaxial with the central hole thereof, the outer side surface of the lower portion of the annular guide 280 is a tapered surface 281 with a large top and a small bottom, and the tapered surface 281 can be accommodated in the slag inlet of the sealing flange 210. When the slag discharging device is used, the conical surface 281 and the wall surface of the slag inlet of the sealing flange 210 both play a role in guiding, so that the slag outlet of the slag discharging pipe 100 where the pressing flange 230 is located can be conveniently and accurately aligned with the slag inlet of the slag accumulating box 300 where the sealing flange 210 is located, and the sealing effect can be further favorably ensured.
Specifically, in this embodiment, as shown in fig. 1 and fig. 2, the driving member is a pressing cylinder 290, the pressing cylinder 290 can be fixedly installed on the outer wall surface of the slag discharging pipe 100, and an air rod of the pressing cylinder 290 is fixedly connected with the pressing flange 230 and can drive the pressing flange 230 to move up and down.
Specifically, in this embodiment, the lower pressing flange 230 is rectangular, and the lower pressing flange 230 has a first side, a second side, a third side and a fourth side connected in sequence along the circumferential direction; the number of the pressing cylinders 290 is two, and the pressing cylinders are respectively a first cylinder and a second cylinder, and the first cylinder is close to the first edge and is arranged in the middle relative to the first edge; the second cylinder is close to the third side and is arranged in the middle relative to the third side; the sealing device 200 further comprises a first lower pressing rod and a second lower pressing rod, the first lower pressing rod is parallel to the first edge and arranged in the middle relative to the first edge, the middle part of the first lower pressing rod is fixedly connected with the air rod of the first air cylinder, and two ends of the first lower pressing rod are respectively fixedly connected with the lower pressing flange 230; the second lower pressing rod is parallel to the third edge and arranged in the middle relative to the third edge, the middle of the second lower pressing rod is fixedly connected with the air rod of the second air cylinder, and two ends of the second lower pressing rod are respectively fixedly connected with the lower pressing flange 230. In this arrangement, the two pressing cylinders 290 respectively drive the pressing flange 230 to move up and down through a pressing rod, and the acting force of the pressing rod on the pressing flange 230 is balanced, so that the movement of the pressing flange 230 is relatively stable.
The present embodiment further provides a slag discharging system, as shown in fig. 1 and fig. 2, the slag discharging system includes a slag box 300 and the sealing device 200, and the sealing flange 210 is fixedly installed at the slag inlet of the slag box 300. The deslagging system has all the advantages of the sealing device 200, and therefore, the detailed description thereof is omitted.
Specifically, in this embodiment, the slag discharging system further includes a movable guide rail 410 and a stationary guide rail 420, which are matched with each other, the stationary guide rail 420 is fixed to the ground, the movable guide rail 410 is disposed at the bottom of the slag box 300, and the slag box 300 can move along the stationary guide rail 420 through the movable guide rail 410. In the horizontal direction perpendicular to the static guide rail 420, the static guide rail 420 has a limiting effect on the slag box 300, so that the operation of aligning the slag inlet of the slag box 300 with the slag outlet of the lower pressure flange 230 when the slag box 300 is placed below the lower pressure flange 230 is simplified, namely, after the slag box 300 is moved to the lower side of the lower pressure flange 230 along the static guide rail 420, only the slag inlet of the slag box 300 needs to be aligned with the slag outlet of the lower pressure flange 230 along the extending direction of the static guide rail 420, and the positioning is fast and accurate.
Specifically, in this embodiment, the slag discharging system further includes a slag discharging pipe 100, a sealing telescopic sleeve 110 is further disposed between the slag discharging pipe 100 and the lower pressing flange 230, the sealing telescopic sleeve 110 performs a sealing function, and when the lower pressing cylinder 290 drives the lower pressing flange 230 to move downward, the sealing telescopic sleeve 110 extends; when the hold-down cylinder 290 drives the hold-down flange 230 to move upward, the sealing bellows 110 shortens.
More specifically, in the present embodiment, a connecting flange 120 is disposed at the slag discharging port of the slag discharging pipe 100, the upper portion of the connecting flange 120 is fixedly connected to the slag discharging pipe 100, the lower portion of the connecting flange 120 is fixedly connected to the upper mounting pipe 130, the upper portion of the lower pressing flange 230 is fixedly connected to the lower mounting pipe 140, and the upper and lower ends of the sealing telescopic sleeve 110 are respectively mounted on the upper portion of the upper mounting pipe 130 and the lower portion of the lower mounting pipe 140; moreover, the inner diameter of the lower mounting tube 140 is larger than the outer diameter of the lower portion of the upper mounting tube 130, and when the lower pressing cylinder 290 drives the lower pressing flange 230 to move up and down, the lower mounting tube 140 moves along the outer side wall of the lower portion of the upper mounting tube 130, and along the up-and-down direction, no gap is left between the top end of the lower mounting tube 140 and the bottom end of the upper mounting tube 130. With this arrangement, when the pressing flange 230 moves downward, a good sealing performance can still be ensured between the pressing flange and the slag discharge hole of the slag discharge pipe 100.
Finally, it is further noted that, herein, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to the 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. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A seal assembly, comprising:
the slag collecting device comprises a sealing flange (210), wherein the sealing flange (210) can be installed at a slag inlet of a slag collecting box (300), a first annular groove (211) is formed in the upper surface of the sealing flange (210) along the circumferential direction of a central hole of the sealing flange, a first sealing ring (221) is arranged in the first annular groove (211), and the first sealing ring (221) is exposed out of the first annular groove (211);
the lower pressing flange (230) can be installed at a slag discharge port of a slag discharge pipe (100) of the coal mill, a pressing ring (240) and a second sealing ring (250) are arranged at the bottom of the lower pressing flange (230) from inside to outside, and the pressing ring (240) can correspond to the first sealing ring (221);
and the driving piece can drive the downward pressing flange (230) to move downwards, so that the pressing ring (240) compresses the first sealing ring (221) and the second sealing ring (250) is abutted to the upper surface of the sealing flange (210).
2. The sealing device according to claim 1, wherein the upper surface of the sealing flange (210) is further provided with a second ring groove (212) along the circumferential direction of the central hole thereof, and the second ring groove (212) is located outside the first ring groove (211);
a third sealing ring (222) is arranged in the second ring groove (212), and the third sealing ring (222) is exposed out of the second ring groove (212); when the driving piece drives the downward pressing flange (230) to move downwards, the pressing ring (240) can simultaneously press the first sealing ring (221) and the third sealing ring (222).
3. The sealing device according to claim 2, characterized in that the lower surface of the pressure ring (240) is provided with a groove (241), the inner groove wall of the groove (241) corresponds to the first sealing ring (221), and the outer groove wall of the groove (241) corresponds to the third sealing ring (222).
4. A sealing device according to any one of claims 1 to 3, wherein the second sealing ring (250) is arranged on a mounting plate (260), the mounting plate (260) is arranged at the bottom of the lower pressure flange (230), and the mounting plate (260) is annular and is provided with a plurality of clamping grooves (261) along the circumference thereof;
the top of second sealing washer (250) is provided with a plurality of dopes (251), and is a plurality of dopes (251) and a plurality of draw-in groove (261) one-to-one and match the joint.
5. The sealing device according to claim 4, characterized in that a first mounting groove (242) is provided on the top outer side of the pressing ring (240);
the bottom of the pressing flange (230) is further provided with a fixing ring (270), the fixing ring (270) is located on the outer side of the pressing ring (240), and the inner side of the top of the fixing ring (270) is provided with a second mounting groove (271);
the inner side of the mounting plate (260) is inserted into the first mounting groove (242), and the outer side of the mounting plate (260) is inserted into the second mounting groove (271).
6. A sealing device according to any one of claims 1-3, characterized in that the slag inlet of the sealing flange (210) is in the shape of a bell mouth with a wide top and a narrow bottom, the bottom of the pressing flange (230) is provided with an annular guide (280) coaxial with the central hole of the pressing flange, the outer side surface of the lower part of the annular guide (280) is in a conical surface (281) with a large top and a small bottom, and the conical surface (281) can be accommodated in the slag inlet of the sealing flange (210).
7. The sealing device according to any one of claims 1 to 3, wherein the driving member is a pressing cylinder (290), the pressing cylinder (290) can be fixedly installed on the outer wall surface of the slag discharging pipe (100), and an air rod of the pressing cylinder (290) is fixedly connected with the pressing flange (230) and can drive the pressing flange (230) to move up and down.
8. The sealing device according to claim 7, wherein the hold-down flange (230) has a rectangular shape, and the hold-down flange (230) has a first side, a second side, a third side, and a fourth side, which are connected in this order, along a circumferential direction thereof;
the number of the pressing cylinders (290) is two, namely a first cylinder and a second cylinder, and the first cylinder is close to the first edge and is arranged in the middle relative to the first edge; the second cylinder is proximate to and centered relative to the third side;
the sealing device (200) further comprises a first lower pressing rod and a second lower pressing rod, the first lower pressing rod is parallel to the first edge and arranged in the middle relative to the first edge, the middle of the first lower pressing rod is fixedly connected with the air rod of the first air cylinder, and two ends of the first lower pressing rod are respectively fixedly connected with the lower pressing flange (230); the second lower pressing rod is parallel to the third edge and arranged in the middle relative to the third edge, the middle of the second lower pressing rod is fixedly connected with the air rod of the second air cylinder, and two ends of the second lower pressing rod are respectively fixedly connected with the lower pressing flange (230).
9. A slag tapping system, characterized in that it comprises a slag box (300) and a sealing device (200) according to any one of claims 1-8, said sealing flange (210) being fixedly mounted to the slag inlet of said slag box (300).
10. The slag discharge system according to claim 9, characterized in that the slag discharge system further comprises a movable guide rail (410) and a stationary guide rail (420) which are matched, the stationary guide rail (420) is fixed on the ground, the movable guide rail (410) is arranged at the bottom of the slag accumulating box (300), and the slag accumulating box (300) can move along the stationary guide rail (420) through the movable guide rail (410).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022750199.3U CN214248658U (en) | 2020-11-24 | 2020-11-24 | Sealing device and slag discharging system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022750199.3U CN214248658U (en) | 2020-11-24 | 2020-11-24 | Sealing device and slag discharging system |
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| CN214248658U true CN214248658U (en) | 2021-09-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183605A (en) * | 2021-12-31 | 2022-03-15 | 潍柴动力股份有限公司 | Hydraulic pump flange quick clamping device |
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2020
- 2020-11-24 CN CN202022750199.3U patent/CN214248658U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183605A (en) * | 2021-12-31 | 2022-03-15 | 潍柴动力股份有限公司 | Hydraulic pump flange quick clamping device |
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