CN213570349U - Coal ash separator of gasifier - Google Patents
Coal ash separator of gasifier Download PDFInfo
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- CN213570349U CN213570349U CN202022163180.9U CN202022163180U CN213570349U CN 213570349 U CN213570349 U CN 213570349U CN 202022163180 U CN202022163180 U CN 202022163180U CN 213570349 U CN213570349 U CN 213570349U
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Abstract
The utility model relates to a coal gasification technical field specifically provides a coal ash separator of gasifier. The structure of the device is that a synthesis gas inlet is arranged at the top of a tower body, the synthesis gas inlet is downwards connected with a contraction pipe, the contraction pipe is connected with the top end of a throat pipe, the bottom end of the throat pipe is connected with a diffusion pipe, and a black water outlet is arranged at the bottom of the tower body; a synthetic gas outlet is formed in one side of the upper portion of the tower body, a water inlet is formed in the upper portion of the synthetic gas outlet, the water inlet is connected with a water spray pipe, the water spray pipe is connected to the upper portion of the throat pipe, and a spray nozzle is mounted at one end of the water spray pipe on the upper portion of the throat pipe; the lower part of the throat pipe is provided with a rotational flow plate, and the inner wall of the tower body at the lower part of the rotational flow plate is provided with a liquid guide pipe. Compared with the prior art, the utility model discloses a second grade separation, separation effect is good to adopt impacted style water bath dust removal mode, it is little to equipment wear, factor of safety is high, simple structure, compactness, easily processing has fine spreading value.
Description
Technical Field
The utility model relates to a coal gasification technical field specifically provides a coal ash separator of gasifier.
Background
The pressure gasification process is an important method for clean and efficient utilization of coal, and in the existing pressure gasification process, no matter a coal water slurry gasification furnace or a pulverized coal gasification furnace, crude synthesis gas from the gasification furnace is sent to a subsequent production system after passing through a washing system. A coal ash separator is arranged in some processes in front of the washing tower, a Venturi scrubber is arranged in front of the coal ash separator, and some coal ash separators are directly connected with the gasification furnace. The coal ash separator can remove part of coal ash in the synthesis gas, thereby reducing the amount of ash entering a washing system and playing a role in improving the quality of the chilling water.
At present, a cyclone separator is generally adopted by a coal ash separator, a venturi scrubber is arranged in front of the separator, the venturi scrubber is of a pipeline type elongated structure, and the combination form of the coal ash separator and the venturi scrubber is large in overall occupied space. The coal ash separator belongs to a first-stage centrifugal separation, can not well remove coal ash carried in synthesis gas, and needs to fully consider wear-resisting measures for directly washing parts of equipment. How to further optimize the structure of the coal ash separator and improve the separation efficiency of the coal ash separator so as to improve the water quality of a washing system becomes a key point influencing the long-period stable operation of the gasification furnace.
Disclosure of Invention
The utility model provides a coal ash separator of gasifier that reasonable in design, simple structure, safe in utilization, can secondary separation to the not enough of above-mentioned prior art.
The utility model provides a technical scheme that its technical problem adopted is:
a coal ash separator of a gasification furnace comprises a tower body, wherein a synthesis gas inlet is formed in the top of the tower body, the synthesis gas inlet is downwards connected with a contraction pipe, the contraction pipe is connected with the top end of a throat pipe, the bottom end of the throat pipe is connected with a diffusion pipe, and a black water outlet is formed in the bottom of the tower body;
a synthetic gas outlet is formed in one side of the upper portion of the tower body, a water inlet is formed in the upper portion of the synthetic gas outlet, the water inlet is connected with a water spray pipe, the water spray pipe is connected to the upper portion of the throat pipe, and a spray nozzle is mounted at one end of the water spray pipe on the upper portion of the throat pipe;
the lower part of the throat pipe is provided with a rotational flow plate, and the inner wall of the tower body at the lower part of the rotational flow plate is provided with a liquid guide pipe.
Furthermore, a liquid collecting disc is arranged at the lower part of the rotational flow plate, and the liquid collecting disc is fixed on the inner wall of the tower body and is connected with the liquid guide pipe.
Preferably, the swirl plate is composed of a plurality of blades with specific angles.
Furthermore, the number of the water spraying pipes is 2-6, the water spraying pipes are evenly distributed in the tower body, a spray head is arranged at one end of each water spraying pipe at the upper part of the throat pipe, and each water spraying pipe is provided with a water inlet corresponding to the water spraying pipe.
Furthermore, a water bath container with an inverted cone-shaped structure is arranged at the bottom in the tower body, and a black water outlet is connected to the bottom of the water bath container.
Furthermore, a liquid level meter interface is arranged at the lower part of the tower body and the water bath container and is connected with a liquid level meter.
Furthermore, a manual access hole is formed in the tower body on the side, opposite to the liquid level meter interface, of the liquid level meter.
Furthermore, inclined liquid baffle plates are arranged in the tower body and at the lower part of the synthetic gas outlet.
Preferably, the diffuser pipe is supported and fixed in the tower body through the diffuser pipe, the liquid guide pipe is supported and fixed on the inner wall of the tower body through the liquid guide pipe, and the rotational flow plate is supported and fixed in the tower body through the rotational flow plate.
Compared with the prior art, the coal ash separator of the gasification furnace has the following outstanding beneficial effects:
1. the utility model discloses a shower nozzle of installing on the spray pipe makes gaseous high atomizing, mixes with thick synthetic gas after gaseous entering choke is inside, and the coal ash granule in the thick synthetic gas is fully moistened, condenses in the choke, can constantly continue to condense behind the diffusion tube, through the water bath of most dirt particles direct towards separator bottom water bath container behind the diffusion tube, the back is through the export outflow of black water, accomplishes a separation.
2. The synthesis gas after preliminary purification moves upwards, makes the synthesis gas produce the whirl through the whirl board, and remaining solid particle and the liquid drop that carry in the synthesis gas are thrown to the tower wall by centrifugal force, and the gathering is on whirl board liquid collecting tray all around at last, in the water bath of bottom of the tower portion flows in through the catheter, and the synthesis gas of second grade purification is discharged from the synthesis gas export behind the fender liquid board, and the black water that contains dust is discharged through the black water export of cone bottom, accomplishes the secondary separation.
3. The separator adopts two-stage separation, has good separation effect, adopts an impact type water bath dust removal mode, has small abrasion to equipment, high safety coefficient, simple and compact structure, is easy to process and has good popularization value.
To sum up, the utility model has the advantages of reasonable design, simple structure, easy processing, convenient use and good separation effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a coal ash separator of a gasification furnace;
FIG. 2 is a schematic top view of a water spray pipe in a coal ash separator of a gasification furnace;
FIG. 3 is a schematic top view of a cyclone in a coal ash separator of a gasifier.
The reference numerals in the drawings denote:
1. the liquid level meter comprises a liquid level meter interface, 2, a liquid guide pipe support, 3, a tower body, 4, a water inlet, 5, a synthetic gas inlet, 6, a shrinkage pipe, 7, a throat pipe, 8, a rotational flow plate, 9, a liquid guide pipe, 10, a liquid baffle plate, 11, a synthetic gas outlet, 12, a rotational flow plate support, 13, a diffusion pipe, 14, a diffusion pipe support, 15, a manual overhaul hole, 16, a water bath container, 17, a black water outlet, 18, a spray head, 19, a water spray pipe, 20, a blade, 21 and a liquid collecting disc.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific examples, which are not intended to limit the present invention.
In the present invention, unless otherwise specified, the use of directional terms such as "upper, lower, left, and right" generally means upper, lower, left, and right as illustrated with reference to the accompanying drawings; "inner and outer" refer to the inner and outer relative to the profile of the components themselves.
A preferred embodiment is given below:
as shown in fig. 1 to 3, the coal ash separator of the gasification furnace in the present embodiment includes a tower body 3, a closed cavity is provided inside the tower body 3, a synthesis gas inlet 5 is provided at the top of the tower body 3, the synthesis gas inlet 5 is connected to a contraction pipe 6 downward, the contraction pipe 6 is connected to the top end of a throat pipe 7, the bottom end of the throat pipe 7 is connected to a diffusion pipe 13, and the diffusion pipe 13 is fixed on the inner wall of the tower body 3 through a diffusion pipe support 14. The bottom of the tower body 3 is provided with a water bath container 16 with an inverted cone structure, and the bottom of the water bath container 16 is connected with a black water outlet 17 processed at one side of the tower body 3.
A synthesis gas outlet 11 is arranged on one side of the upper part of the tower body 3, and an inclined liquid baffle plate 10 is arranged in the tower body 3 below the synthesis gas outlet 11.
In this embodiment, 4 water inlets 4 are horizontally and uniformly processed on the tower body 3 above the synthesis gas outlet 11, each water inlet 4 is connected with a spray pipe 19, each spray pipe 19 is connected to the upper part of the throat 7, and one end of each spray pipe 19 above the throat 7 is provided with a spray head 18.
The lower part of the throat pipe 7 is provided with a rotational flow plate 8 through a rotational flow plate support 12, and the rotational flow plate 8 consists of a plurality of blades 20 with specific angles. The lower part of the rotational flow plate 8 is provided with a liquid collecting disc 21, the liquid collecting disc 21 is fixed on the inner wall of the tower body 3 and is connected with a liquid guide pipe 9, the liquid guide pipe 9 is fixed on the inner wall of the tower body 3 through a liquid guide pipe support 2, and the lower part of the liquid guide pipe 9 extends into a water bath container 16.
A liquid level meter interface 1 is arranged at the lower part of the tower body 3 and the water bath container 16, and the liquid level meter interface 1 is connected with a liquid level meter. And a manual access hole 15 is formed in the tower body 3 on the opposite side of the liquid level meter interface 1.
The utility model discloses a coal ash separator of gasifier when using, the thick synthetic gas that the gasifier came out makes the thick synthetic gas velocity of flow increase at first through 6 messenger's of shrinkage pipes in the synthetic gas import 5 gets into coal ash separator, and spray pipe 19's spray water passes through 18 back high atomizes of shower nozzle, mixes with thick synthetic gas after spouting into 7 inside throats. The soot particles in the raw synthesis gas are fully wetted and continuously agglomerate in the throat 7, and the soot particles continue to agglomerate after entering the diffuser 13. The outlet of the diffusion pipe 13 is vertical to the water surface of the water bath container 16, and most dust particles directly flush into the water bath container 16 at the bottom of the coal ash separator.
The synthesis gas after preliminary purification moves upwards, and then passes through the whirl plate 8 to make the synthesis gas generate whirl, the residual solid particles and liquid drops carried in the synthesis gas are thrown to the tower wall by centrifugal force, finally gather on the liquid collecting disc 21 around the whirl plate 8, flow into the water bath container 16 at the bottom of the tower body through the liquid guide pipe 9, and the synthesis gas after secondary purification passes through the liquid baffle plate 10 and then is discharged from the synthesis gas outlet 11. The dust-containing black water is discharged through a black water outlet 17 connected to the bottom of the water bath container 16. The coal ash separator adopts two-stage separation, has good separation effect, adopts an impact type water bath dust removal mode, has small abrasion to equipment, high safety factor, simple and compact structure, is easy to process and has good popularization value.
The above-mentioned embodiments are only one of the preferred embodiments of the present invention, and the general changes and substitutions performed by those skilled in the art within the technical scope of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A coal ash separator of a gasification furnace comprises a tower body and is characterized in that a synthesis gas inlet is arranged at the top of the tower body, the synthesis gas inlet is downwards connected with a contraction pipe, the contraction pipe is connected with the top end of a throat pipe, the bottom end of the throat pipe is connected with a diffusion pipe, and a black water outlet is arranged at the bottom of the tower body;
a synthetic gas outlet is formed in one side of the upper portion of the tower body, a water inlet is formed in the upper portion of the synthetic gas outlet, the water inlet is connected with a water spray pipe, the water spray pipe is connected to the upper portion of the throat pipe, and a spray nozzle is mounted at one end of the water spray pipe on the upper portion of the throat pipe;
the lower part of the throat pipe is provided with a rotational flow plate, and the inner wall of the tower body at the lower part of the rotational flow plate is provided with a liquid guide pipe.
2. The coal ash separator of a gasification furnace according to claim 1, wherein a liquid collecting tray is arranged at the lower part of the rotational flow plate, and the liquid collecting tray is fixed on the inner wall of the tower body and connected with the liquid guide pipe.
3. The coal ash separator of a gasification furnace according to claim 1 or 2, wherein the cyclone plate is composed of a plurality of blades having a specific angle.
4. The coal ash separator of gasification furnace according to claim 1, wherein said water spraying pipes are provided with 2-6 water spraying pipes, and are uniformly distributed in the tower body, each water spraying pipe is provided with a spray head at one end of the upper part of the throat pipe, and each water spraying pipe is provided with a water inlet corresponding to the water spraying pipe.
5. The coal ash separator of the gasification furnace according to claim 1, wherein a water bath container with an inverted conical structure is arranged at the bottom in the tower body, and the bottom of the water bath container is connected with a black water outlet.
6. The coal ash separator of the gasification furnace according to claim 5, wherein a liquid level meter interface is arranged at the lower part of the tower body and the water bath container, and the liquid level meter interface is connected with a liquid level meter.
7. The coal ash separator of the gasification furnace according to claim 6, wherein a manual access hole is formed on the tower body on the opposite side of the liquid level meter interface.
8. The coal ash separator of a gasification furnace according to claim 1, wherein an inclined liquid baffle is provided in the tower body at a lower portion of the syngas outlet.
9. The coal ash separator of a gasification furnace according to claim 1, wherein the diffuser tube is supported and fixed in the tower body through the diffuser tube, the liquid guide tube is supported and fixed on the inner wall of the tower body through the liquid guide tube, and the rotational flow plate is supported and fixed in the tower body through the rotational flow plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022163180.9U CN213570349U (en) | 2020-09-28 | 2020-09-28 | Coal ash separator of gasifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022163180.9U CN213570349U (en) | 2020-09-28 | 2020-09-28 | Coal ash separator of gasifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213570349U true CN213570349U (en) | 2021-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022163180.9U Active CN213570349U (en) | 2020-09-28 | 2020-09-28 | Coal ash separator of gasifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213570349U (en) |
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2020
- 2020-09-28 CN CN202022163180.9U patent/CN213570349U/en active Active
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