CN218900927U - Clarifying device for water-coal-slurry gasification slag pool - Google Patents
Clarifying device for water-coal-slurry gasification slag pool Download PDFInfo
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- CN218900927U CN218900927U CN202223237022.9U CN202223237022U CN218900927U CN 218900927 U CN218900927 U CN 218900927U CN 202223237022 U CN202223237022 U CN 202223237022U CN 218900927 U CN218900927 U CN 218900927U
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Abstract
The utility model discloses a clarification device of a slag pool of coal water slurry gasification, belonging to coal water slurry gasification equipment, aiming at solving the technical problems that large-particle coal slag in a muddy water bin of the slag pool possibly enters a clear water bin of the slag pool and is pumped by a pump of the slag pool, so that the pump of the slag pool is seriously worn, the service life is short, the load of a settling tank is overweight, the efficiency of a slag dragging machine is reduced to influence the periodic operation of a gasification system, and the adopted technical scheme is as follows: the structure of the slag pool comprises a slag pool muddy water bin and a slag pool clear water bin, wherein a baffle is arranged between the slag pool clear water bin and the slag pool muddy water bin, a grid plate is arranged in the slag pool muddy water bin, the grid plate divides the slag pool muddy water bin into a buoyancy water inlet bin and a slag dragging bin, and a slag dragging machine is arranged in the slag dragging bin; the buoyancy water inlet bin is internally provided with a corrugated hose, one end of the corrugated hose is provided with a buoyancy water inlet device, the buoyancy water inlet device is positioned in the buoyancy water inlet bin, the other end of the corrugated hose penetrates through the baffle plate and extends into the slag pool clean water bin, and the slag pool clean water bin is communicated with the slag pool muddy water bin through the corrugated hose.
Description
Technical Field
The utility model relates to coal water slurry gasification equipment, in particular to a clarifying device for a coal water slurry gasification slag pool.
Background
At present, in the gasification process of coal water slurry, slag is discharged every 30 minutes when the gasification furnace normally operates, when a slag lock hopper is used for pressure relief and slag discharge, as the impact force of slag water on a slag tank is large, the turbidity of the slag tank water is high, an overflow valve of the slag tank is opened after slag discharge for 5-8 minutes, the settling time of coal ash is short, the effect of the overflow valve is poor, and a part of large-particle coal slag still enters a clear water bin after the overflow valve is opened, so that the efficiency of a slag scooping machine is reduced, and the load of a subsequent settling tank is increased; ash water with higher solid content is pumped by the slag pool pump, so that the slag pool pump is seriously worn, long-period operation of the gasification system is influenced to a certain extent, and the production benefit is reduced.
Disclosure of Invention
The utility model aims to provide a slag pool clarifying device of a coal water slurry gasification furnace, which is used for solving the problems that large-particle coal slag in a muddy water bin of a slag pool possibly enters a clear water bin of the slag pool and is pumped by a slag pool pump, so that the slag pool pump is seriously worn, the service life is short, the load of a settling tank is too heavy, and the efficiency of a slag scooping machine is reduced to influence the periodic operation of a gasification system.
The utility model aims to realize the technical task that the clarifying device of the water-coal-slurry gasification slag pool comprises a slag pool muddy water bin and a slag pool clear water bin, wherein a baffle is arranged between the slag pool clear water bin and the slag pool muddy water bin, a grid plate is arranged in the slag pool muddy water bin, the grid plate divides the slag pool muddy water bin into a buoyancy water inlet bin and a slag dragging bin, and a slag dragging machine is arranged in the slag dragging bin;
the buoyancy water inlet bin is internally provided with a corrugated hose, one end of the corrugated hose is provided with a buoyancy water inlet device, the buoyancy water inlet device is positioned in the buoyancy water inlet bin, the other end of the corrugated hose penetrates through the baffle plate and extends into the slag pool clean water bin, and the slag pool clean water bin is communicated with the slag pool muddy water bin through the corrugated hose.
Preferably, a gasification furnace slag discharging pipe is arranged in the muddy water bin of the slag pool, and the gasification furnace slag discharging pipe is positioned between the grid plate and the slag dragging machine.
More preferably, one end of the gasification furnace slag discharging pipe penetrates through the side wall of the slag pool muddy water bin and extends out of the slag pool muddy water bin, and an anti-flushing distributor is arranged at the other end of the gasification furnace slag discharging pipe and is positioned outside the slag pool muddy water bin.
More preferably, at least three muddy water bin side wall holes which are uniformly distributed are formed in the middle of the side wall of the muddy water bin of the slag pool, one end of the anti-flushing distributor is communicated with the slag discharging pipe of the gasification furnace, and the other end of the anti-flushing distributor is connected with the muddy water bin side wall holes.
More preferably, the corrugated hose is provided with an overflow valve, and the overflow valve is positioned in the buoyancy water inlet bin.
More preferably, the corrugated hose is an L-shaped pipe consisting of a buoyancy installation pipe and a clear water bin communicating pipe, one end of the buoyancy installation pipe is provided with a buoyancy water inlet device, the other end of the buoyancy installation pipe is communicated with one end of the clear water bin communicating pipe, the other end of the clear water bin communicating pipe is communicated with a slag pool clear water bin, and the overflow valve is arranged on the clear water bin communicating pipe.
Preferably, one end of the slag pool clean water bin, which is far away from the slag pool muddy water bin, is provided with a slag pool pump, and the slag pool pump is communicated with the outlet end of the slag pool clean water bin through a connecting pipe.
Preferably, the grating plate is welded on the inner side wall of the muddy water bin of the slag pool.
Preferably, the top of one end of the slag pool muddy water bin far away from the grid plate is provided with an ash outlet.
The slag pool clarifying device of the water-coal-slurry gasification furnace has the following advantages:
the utility model solves the problems that large-particle coal slag in a muddy water bin of a slag pool possibly enters a clear water bin of the slag pool and is pumped by a slag pool pump, so that the slag pool pump is seriously worn, the service life is short, the load of a settling tank is overweight, the efficiency of a slag dragging machine is reduced, the periodic operation of a gasification system is influenced, the service life of the slag pool pump is prolonged, the load of settlement is reduced, and the efficiency of the slag dragging machine is improved;
secondly, the anti-flushing distribution pipe avoids secondary mixing of settled ash in a muddy water bin of the slag pool;
the combination of the corrugated hose and the buoyancy water inlet device ensures that the buoyancy water inlet device always floats on the liquid level, and the water inlet of the buoyancy water inlet device is 5-10 cm lower than the liquid level so as to prevent the non-separated ash slag at the middle lower part from entering a slag pool clean water bin;
the buoyancy water inlet device always floats on the liquid level along with the fluctuation of the liquid level, and fresh water at the upper part of the liquid level is introduced into the fresh water bin of the slag pool, so that the phenomena of serious abrasion of a slag pool pump, short service life, reduction of the efficiency of a slag scooping machine due to the load of a settling tank and the like are avoided, the continuous normal and stable operation of the gasification furnace is ensured, and the production benefit is improved.
Therefore, the utility model has the characteristics of reasonable design, simple structure, easy processing, small volume, convenient installation and use, multiple purposes, and the like, thereby having good popularization and use values.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a slag pool clarifying device of a water-coal-slurry gasification furnace;
FIG. 2 is a top view of the assembled muddy water bin of the slag pool and the clear water bin of the slag pool.
In the figure: 1. the slag pool muddy water bin, 2, slag pool clear water bin, 3, slag pool pump, 4, slag scooping machine, 5, baffle, 6, buoyancy water inlet, 7, corrugated hose, 8, gasification furnace slag discharging pipe, 9, anti-flushing distribution pipe, 10, grating plate, 11, overflow valve, 12. Ash outlet, 13, buoyancy water inlet bin, 14, slag scooping bin, 15, muddy water bin side wall hole, 16, buoyancy mounting pipe, 17, clear water bin communicating pipe, 18, connecting pipe.
Detailed Description
The following detailed description of a clarification device for a water-coal-slurry gasification slag pool of the present utility model refers to the accompanying drawings and specific embodiments.
In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present utility model and simplifying the description. Rather than indicating or implying that the apparatus or elements herein referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Examples:
as shown in fig. 1 and 2, the embodiment provides a clarification device for a water-coal-slurry gasification slag pool, which structurally comprises a slag pool muddy water bin 1 and a slag pool clear water bin 2, wherein a baffle 5 is arranged between the slag pool clear water bin 2 and the slag pool muddy water bin 1, a grid plate 10 is arranged in the slag pool muddy water bin 1, and the grid plate 10 is welded on the inner side wall of the slag pool muddy water bin 1. The grid plate 10 divides the slag pool muddy water bin 1 into a buoyancy water inlet bin 13 and a slag dragging bin 14, and a slag dragging machine 4 is arranged in the slag dragging bin 14; the buoyancy water inlet bin 13 is internally provided with a corrugated hose 7, one end of the corrugated hose 7 is provided with a buoyancy water inlet device 6, the buoyancy water inlet device 6 is positioned in the buoyancy water inlet bin 13, the other end of the corrugated hose 7 penetrates through the baffle 5 and extends into the slag pool clean water bin 2, and the slag pool clean water bin 2 is communicated with the slag pool muddy water bin 1 through the corrugated hose 7.
In the embodiment, a slag discharging pipe 8 of the gasification furnace is arranged in a slag pool muddy water bin 1, and the slag discharging pipe 8 of the gasification furnace is positioned between a grating plate 10 and a slag dragging machine 4. One end of the gasification furnace slag discharging pipe 8 penetrates through the side wall of the slag pool muddy water bin 1 and extends out of the slag pool muddy water bin 1, the other end of the gasification furnace slag discharging pipe 8 is provided with an anti-flushing distributor 9, and the anti-flushing distributor 9 is positioned outside the slag pool muddy water bin 1.
In the embodiment, three muddy water bin side wall holes 15 which are uniformly distributed are formed in the middle of the side wall of the muddy water bin 1 of the slag pool, one end of the anti-flushing distributor 9 is communicated with the slag discharging pipe 8 of the gasification furnace, and the other end of the anti-flushing distributor 9 is connected with the muddy water bin side wall holes 15.
The corrugated hose 7 in the embodiment is provided with an overflow valve 11, and the overflow valve 11 is positioned in the buoyancy water inlet bin 13. The corrugated hose 7 is an L-shaped pipe consisting of a buoyancy installation pipe 16 and a clear water bin communicating pipe 17, wherein a buoyancy water inlet device 6 is installed at one end of the buoyancy installation pipe 16, the other end of the buoyancy installation pipe 16 is communicated with one end of the clear water bin communicating pipe 17, the other end of the clear water bin communicating pipe 17 is communicated with the slag pool clear water bin 2, and the overflow valve 11 is positioned on the clear water bin communicating pipe 17.
The end of the slag pool clean water bin 2 far away from the slag pool muddy water bin 1 in the embodiment is provided with a slag pool pump 3, and the slag pool pump 3 is communicated with the outlet end of the slag pool clean water bin 2 through a connecting pipe 18.
The top of the end of the slag pool muddy water bin 1 far from the grating plate 10 in the embodiment is provided with an ash outlet 12.
The gasification furnace slag discharging pipe 8 in the embodiment is connected with an anti-flushing distribution pipe 9, and the anti-flushing distribution pipe 9 is connected with three openings in the middle of the side wall of the slag pool muddy water bin 1. One end of a corrugated hose 7 in the slag pool muddy water bin 1 is communicated with the slag pool clear water bin 2 through an overflow valve 11, and the other end of the corrugated hose is connected to a buoyancy water inlet device 6 in the slag pool muddy water bin 1. The corrugated hose 7 enables the buoyancy water inlet 6 to move up and down and always float on the liquid surface. A slag scooping machine 4 is also arranged in the slag pool muddy water bin 1. The outlet end of the slag pool clean water bin 2 is communicated with a slag pool pump 3. A grating plate 10 is arranged between the slag extractor 4 and the baffle 5, and the grating plate 10 is welded on the inner wall of the muddy water bin 1 of the slag pool, so that the slag extractor is prevented from damaging the buoyancy water inlet 6 and the corrugated hose 7.
The specific working process is as follows:
(1) When the gasification furnace is deslagging, the overflow valve 11 is closed firstly;
(2) Slag water from a slag discharging pipe 8 of the gasification furnace is uniformly distributed in the middle layer of a muddy water bin 1 of the slag pool through an anti-flushing distribution pipe 9, so that the slag water is prevented from impacting ash slag which is settled at the bottom;
(3) The ash in the slag water subsides downwards and is fished out by the slag scooping machine 4 to be discharged through the ash outlet 12;
(4) After deslagging of the gasification furnace for 5-8 minutes, an overflow valve 11 is opened, clear ash water at the liquid level enters a buoyancy water inlet device 6, enters a clear ash water bin 2 of the slag pool through a corrugated hose 7 and is pumped into a settling tank by a slag pool pump 3, and the buoyancy water inlet device 6 which always floats on the liquid level prevents ash slag which is not settled and separated at the middle lower part from entering the clear ash water bin of the slag pool.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (9)
1. A clarification device of a water-coal-slurry gasification slag pool is characterized by comprising a slag pool muddy water bin and a slag pool clear water bin, wherein a baffle is arranged between the slag pool clear water bin and the slag pool muddy water bin, a grid plate is arranged in the slag pool muddy water bin, the grid plate divides the slag pool muddy water bin into a buoyancy water inlet bin and a slag dragging bin, and a slag dragging machine is arranged in the slag dragging bin;
the buoyancy water inlet bin is internally provided with a corrugated hose, one end of the corrugated hose is provided with a buoyancy water inlet device, the buoyancy water inlet device is positioned in the buoyancy water inlet bin, the other end of the corrugated hose penetrates through the baffle plate and extends into the slag pool clean water bin, and the slag pool clean water bin is communicated with the slag pool muddy water bin through the corrugated hose.
2. The slag pool clarification device of the coal water slurry gasification furnace, as set forth in claim 1, wherein a gasification furnace slag pipe is disposed in the slag pool muddy water bin, and the gasification furnace slag pipe is located between the grid plate and the slag dragging machine.
3. The slag pool clarification device of a coal water slurry gasification furnace according to claim 2, wherein one end of the slag pipe of the gasification furnace penetrates through the side wall of the slag pool muddy water bin and extends out of the slag pool muddy water bin, and an anti-flushing distributor is arranged at the other end of the slag pipe of the gasification furnace and is positioned outside the slag pool muddy water bin.
4. The slag pool clarification device of a coal water slurry gasification furnace according to claim 3, wherein the middle part of the side wall of the muddy water bin of the slag pool is provided with at least three muddy water bin side wall holes which are uniformly distributed, one end of the anti-flushing distributor is communicated with the slag discharging pipe of the gasification furnace, and the other end of the anti-flushing distributor is connected with the muddy water bin side wall holes.
5. The slag pool clarification device of the coal water slurry gasification furnace of claim 4, wherein the corrugated hose is provided with an overflow valve, and the overflow valve is positioned in the buoyancy water inlet bin.
6. The slag pool clarification device of a coal water slurry gasification furnace according to claim 5, wherein the corrugated hose is an L-shaped pipe consisting of a buoyancy installation pipe and a clear water bin communicating pipe, one end of the buoyancy installation pipe is provided with a buoyancy water inlet device, the other end of the buoyancy installation pipe is communicated with one end of the clear water bin communicating pipe, the other end of the clear water bin communicating pipe is communicated with a slag pool clear water bin, and the overflow valve is arranged on the clear water bin communicating pipe.
7. The slag pool clarification device of the coal water slurry gasification furnace of claim 1, wherein a slag pool pump is arranged at one end of the slag pool clean water bin far away from the slag pool muddy water bin, and the slag pool pump is communicated with the outlet end of the slag pool clean water bin through a connecting pipe.
8. The slag pool clarification device of a coal water slurry gasifier of claim 1, wherein said grid plate is welded to the inside wall of the slag pool muddy water bin.
9. The slag pool clarification device of a coal water slurry gasification furnace according to claim 1, wherein a slag outlet is arranged at the top of one end of the slag pool muddy water bin far away from the grid plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223237022.9U CN218900927U (en) | 2022-12-05 | 2022-12-05 | Clarifying device for water-coal-slurry gasification slag pool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223237022.9U CN218900927U (en) | 2022-12-05 | 2022-12-05 | Clarifying device for water-coal-slurry gasification slag pool |
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| Publication Number | Publication Date |
|---|---|
| CN218900927U true CN218900927U (en) | 2023-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223237022.9U Active CN218900927U (en) | 2022-12-05 | 2022-12-05 | Clarifying device for water-coal-slurry gasification slag pool |
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|---|---|
| CN (1) | CN218900927U (en) |
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- 2022-12-05 CN CN202223237022.9U patent/CN218900927U/en active Active
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