CN212319692U - Carbon residue boiler material returning device for realizing continuous and stable operation of carbon residue boiler - Google Patents
Carbon residue boiler material returning device for realizing continuous and stable operation of carbon residue boiler Download PDFInfo
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- CN212319692U CN212319692U CN202020759623.8U CN202020759623U CN212319692U CN 212319692 U CN212319692 U CN 212319692U CN 202020759623 U CN202020759623 U CN 202020759623U CN 212319692 U CN212319692 U CN 212319692U
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Abstract
The utility model discloses a residual carbon boiler returning charge ware for realizing continuous and stable operation of a residual carbon boiler, the residual carbon boiler returning charge ware comprises a first vertical fly ash channel, a second vertical fly ash channel, a horizontal fly ash channel and an inclined fly ash channel, the upper end of the first vertical fly ash channel is communicated with an ash outlet of a circulating fluidized bed gasification furnace, the first end of the horizontal fly ash channel is communicated with the lower end of the first vertical fly ash channel, the second end of the horizontal fly ash channel is communicated with the lower end of the second vertical fly ash channel, and the upper end of the second vertical fly ash channel is communicated with an ash inlet end of the inclined fly ash channel; and an ash discharge channel communicated with an ash inlet of the ash cooler is formed in the side wall of the horizontal fly ash channel, and the ash discharge channel is positioned right below the second vertical fly ash channel. The ash discharging channel is arranged, and part of high-temperature circulating ash is discharged after being introduced into the ash cooling machine through the ash discharging channel and cooled, so that the normal material balance of the boiler is ensured, the normal operation of the carbon residue boiler is ensured, and the boiler does not need to be frequently started.
Description
Technical Field
The utility model relates to a residual carbon boiler returning charge ware technical field. In particular to a carbon residue boiler material returning device for realizing the continuous and stable operation of the carbon residue boiler.
Background
Certain fly ash (also called carbon residue) can be generated in the operation process of the circulating fluidized bed gasification furnace, the circulating fluidized bed carbon residue boiler takes the gasified fly ash as fuel, and because the fly ash has high ash content, the returning material amount of a returning material device is large, if all high-temperature circulating ash returns to a hearth, the temperature of the hearth is continuously reduced, and finally flameout is caused, the boiler cannot continuously operate, and the boiler needs to be frequently started and stopped.
SUMMERY OF THE UTILITY MODEL
Therefore, the technical problem to be solved by the utility model is to provide a can be with the continuous steady operation's of partial high temperature circulation ash exhaust realization carbon residue boiler returning charge ware.
In order to solve the technical problem, the utility model provides a following technical scheme:
the carbon residue boiler material returning device comprises a first vertical fly ash channel, a second vertical fly ash channel, a horizontal fly ash channel and an inclined fly ash channel, wherein the upper end of the first vertical fly ash channel is communicated with an ash outlet of the circulating fluidized bed gasification furnace, the first end of the horizontal fly ash channel is communicated with the lower end of the first vertical fly ash channel, the second end of the horizontal fly ash channel is communicated with the lower end of the second vertical fly ash channel, and the upper end of the second vertical fly ash channel is communicated with the ash inlet end of the inclined fly ash channel; and an ash discharge channel communicated with an ash inlet of the ash cooler is formed in the side wall of the horizontal fly ash channel, and the ash discharge channel is positioned under the second vertical fly ash channel.
Above-mentioned realize continuous stable carbon residue boiler returning charge ware of operation of carbon residue boiler, the diameter of first vertical fly ash passageway is 400mm, the diameter of second vertical fly ash passageway is 400mm, the diameter of horizontal fly ash passageway is 400mm, the diameter of slope fly ash passageway is 400mm, the diameter of arranging grey passageway is 108 mm.
The length A of the horizontal fly ash channel is 1000 mm.
Above-mentioned realize carbon residue boiler returning charge ware of carbon residue boiler continuous stable operation, the length B of the vertical fly ash passageway of second is 650 mm.
According to the carbon residue boiler material returning device for realizing the continuous and stable operation of the carbon residue boiler, the included angle C between the inclined fly ash channel and the second vertical fly ash channel is 45 degrees.
According to the carbon residue boiler material returning device for realizing the continuous and stable operation of the carbon residue boiler, the axis of the second vertical fly ash channel is superposed with the axis of the ash discharge channel.
The technical scheme of the utility model following profitable technological effect has been obtained:
the utility model discloses an optimize the structure of returning the glassware to set up the ash discharge passageway under the vertical flying dust passageway of second, some high temperature circulation ash can discharge after the ash cooler cooling of reintroducing through the ash discharge passageway, with the normal material balance of assurance boiler, guarantees the carbon residue boiler normal operating, needn't frequently open the stove. The other part of high-temperature circulating ash still returns to the hearth from the inclined fly ash channel to participate in material circulation.
Drawings
FIG. 1 the utility model discloses realize the structure sketch of the carbon residue boiler returning charge ware of carbon residue boiler continuous stable operation.
The reference numbers in the figures denote: 1-a first vertical fly ash channel; 2-a second vertical fly ash channel; 3-horizontal fly ash channel; 4-inclined fly ash channels; 5-ash cooling machine; 51-ash inlet; 52-ash outlet; 6-ash discharge channel.
Detailed Description
As shown in fig. 1, the carbon residue boiler material returning device for realizing continuous and stable operation of the carbon residue boiler comprises a first vertical fly ash channel 1, a second vertical fly ash channel 2, a horizontal fly ash channel 3 and an inclined fly ash channel 4, wherein the upper end of the first vertical fly ash channel 1 is communicated with an ash outlet of a circulating fluidized bed gasification furnace, the first end of the horizontal fly ash channel 3 is communicated with the lower end of the first vertical fly ash channel 1, the second end of the horizontal fly ash channel 3 is communicated with the lower end of the second vertical fly ash channel 2, and the upper end of the second vertical fly ash channel 2 is communicated with an ash inlet of the inclined fly ash channel 4; an ash discharge channel 6 communicated with an ash inlet 51 of an ash cooler 5 is formed in the side wall of the horizontal fly ash channel 3, and the ash discharge channel 6 is located right below the second vertical fly ash channel 2. The ash discharge channel 6 is arranged on the side wall of the horizontal fly ash channel 3 of the original circulating fluidized bed carbon residue boiler, part of high-temperature circulating ash can be introduced into the ash cooler 5 from the ash discharge channel 6 and then is discharged from the ash outlet 52 after being cooled, the high-temperature circulating ash can be ensured not to be completely returned to the hearth, and the temperature of the hearth can not be reduced, so that the normal material balance of the boiler can be ensured.
In order to control the discharged fly ash amount of the discharged high temperature circulating ash without making the high temperature circulating ash amount returned to the furnace too small, resulting in insufficient return amount of the high temperature circulating ash in the furnace, the diameter of the first vertical fly ash channel 1 is 400mm, the diameter of the second vertical fly ash channel 2 is 400mm, the diameter of the horizontal fly ash channel 3 is 400mm, the diameter of the inclined fly ash channel 4 is 400mm, and the diameter of the ash discharge channel 6 is 108 mm. The length a of the horizontal fly ash channel 3 is 1000 mm. The length B of the second vertical fly ash channel 2 is 650 mm. And the included angle C between the inclined fly ash channel 4 and the second vertical fly ash channel 2 is 45 degrees.
Preferably, the axis of the second vertical fly ash channel 2 coincides with the axis of the ash discharge channel 6.
The working principle is as follows:
after being discharged from an ash outlet of the circulating fluidized bed gasification furnace, the high-temperature circulating ash enters a return feeder of the carbon residue boiler from the upper end of the first vertical fly ash channel 1, and the high-temperature circulating ash enters the first end of the horizontal fly ash channel 3 from the lower end of the first vertical fly ash channel 1.
An ash discharge channel 6 is arranged on the side wall of the horizontal fly ash channel 3, so that part of high-temperature circulating ash enters the second vertical fly ash channel 2 from the second section of the horizontal fly ash channel 3 and returns to the hearth through the inclined fly ash channel 4; and the other part of high-temperature circulating ash is discharged from the ash discharge channel 6, enters the ash cooling machine 5 through the ash inlet 51, is cooled and then is discharged from the ash outlet 52, so that the normal material balance of the boiler is ensured, the normal operation of the carbon residue boiler is ensured, and the boiler does not need to be started frequently.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications are possible which remain within the scope of the appended claims.
Claims (6)
1. The carbon residue boiler material returning device for realizing the continuous and stable operation of the carbon residue boiler is characterized by comprising a first vertical fly ash channel (1), a second vertical fly ash channel (2), a horizontal fly ash channel (3) and an inclined fly ash channel (4), wherein the upper end of the first vertical fly ash channel (1) is communicated with an ash outlet of a circulating fluidized bed gasification furnace, the first end of the horizontal fly ash channel (3) is communicated with the lower end of the first vertical fly ash channel (1), the second end of the horizontal fly ash channel (3) is communicated with the lower end of the second vertical fly ash channel (2), and the upper end of the second vertical fly ash channel (2) is communicated with an ash inlet end of the inclined fly ash channel (4); an ash discharge channel (6) communicated with an ash inlet (51) of the ash cooling machine (5) is formed in the side wall of the horizontal fly ash channel (3), and the ash discharge channel (6) is located right below the second vertical fly ash channel (2).
2. The carbon residue boiler returning charge device for realizing the continuous and stable operation of the carbon residue boiler, as recited in claim 1, characterized in that the diameter of the first vertical fly ash channel (1) is 400mm, the diameter of the second vertical fly ash channel (2) is 400mm, the diameter of the horizontal fly ash channel (3) is 400mm, the diameter of the inclined fly ash channel (4) is 400mm, and the diameter of the ash discharge channel (6) is 108 mm.
3. The carbon residue boiler returning charge device for realizing continuous and stable operation of carbon residue boiler according to claim 2, characterized in that the length A of the horizontal fly ash channel (3) is 1000 mm.
4. The carbon residue boiler return feeder for realizing continuous and stable operation of carbon residue boilers, according to claim 3, characterized in that the length B of the second vertical fly ash channel (2) is 650 mm.
5. The carbon residue boiler returning charge device for realizing the continuous and stable operation of the carbon residue boiler as claimed in claim 4, wherein the included angle C between the inclined fly ash channel (4) and the second vertical fly ash channel (2) is 45 degrees.
6. The carbon residue boiler return feeder for realizing continuous and stable operation of carbon residue boilers, according to claim 5, characterized in that the axis of the second vertical fly ash channel (2) coincides with the axis of the ash discharge channel (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020759623.8U CN212319692U (en) | 2020-05-09 | 2020-05-09 | Carbon residue boiler material returning device for realizing continuous and stable operation of carbon residue boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020759623.8U CN212319692U (en) | 2020-05-09 | 2020-05-09 | Carbon residue boiler material returning device for realizing continuous and stable operation of carbon residue boiler |
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| Publication Number | Publication Date |
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| CN212319692U true CN212319692U (en) | 2021-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020759623.8U Active CN212319692U (en) | 2020-05-09 | 2020-05-09 | Carbon residue boiler material returning device for realizing continuous and stable operation of carbon residue boiler |
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| CN (1) | CN212319692U (en) |
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2020
- 2020-05-09 CN CN202020759623.8U patent/CN212319692U/en active Active
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