CN202993186U - Air water slag cooler of large circulating fluidized bed boiler - Google Patents
Air water slag cooler of large circulating fluidized bed boiler Download PDFInfo
- Publication number
- CN202993186U CN202993186U CN 201220595740 CN201220595740U CN202993186U CN 202993186 U CN202993186 U CN 202993186U CN 201220595740 CN201220595740 CN 201220595740 CN 201220595740 U CN201220595740 U CN 201220595740U CN 202993186 U CN202993186 U CN 202993186U
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- slag
- cooling
- cooling chamber
- air
- dreg
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Abstract
The utility model relates to an air water slag cooler of a large circulating fluidized bed boiler. The air water slag cooler of the large circulating fluidized bed boiler comprises support legs, a slag cooling chamber, an air inlet tube, an air distributing plate, a cooling coil and a cooling plate, wherein the slag cooling chamber is arranged on the support legs, a slag inlet bucket is arranged on a lateral side of the slag cooling chamber, a slag outlet is formed in the bottom surface of the slag cooling chamber, an air outlet is formed in the top surface of the slag cooling chamber, the air distributing plate is arranged on the bottom of the slag cooling chamber and is connected with the air inlet tube, the cooling coil is arranged in the slag cooling chamber, the cooling plate is obliquely arranged in the slag cooling chamber, one end of the cooling plate is located below the slag inlet bucket, and the other end of the cooling plate is located above the slag outlet. According to the air water slag cooler of the large circulating fluidized bed boiler, timely cooling of high-temperature slag is achieved, waste heat can be used for heating cooled water, recycle of the waste heat is achieved, and the purpose of saving energy and reducing emission is achieved.
Description
[technical field]
The utility model relates to a kind of cooling device, is specifically related to a kind of large circulating fluidized bed boiler air-water slag-cooling device, belongs to station boiler auxiliary equipment technical field.
[background technology]
Because having the plurality of advantages such as capacity is large, the feature of environmental protection is good, fluidized-bed combustion boiler is widely used in the thermoelectricity field.But fluidized-bed combustion boiler also exists some defectives, and such as its Coal-fired capacity hourly is large, therefore, the high temperature furnace slag of discharge is also relatively many.Cooling down high-temperature slag how in time, the waste heat that can take full advantage of again slag is a pendulum technical barrier in the field of business.
Therefore, for avoiding above-mentioned technical problem, the necessary large circulating fluidized bed boiler air-water slag-cooling device that a kind of novel structure is provided is to overcome described defective of the prior art.
[utility model content]
For addressing the above problem, the purpose of this utility model be to provide a kind of simple in structure, can be effective and large circulating fluidized bed boiler air-water slag-cooling device that can recovery waste heat.
For achieving the above object, the technical scheme that the utility model is taked is: a kind of large circulating fluidized bed boiler air-water slag-cooling device, and it comprises leg, dreg cooling chamber, blast pipe, air distribution plate, cooling coil and coldplate; Wherein, described dreg cooling chamber is arranged on leg, and its side is provided with a dreg-inlet hopper, and the bottom surface is provided with a slag notch, and end face is provided with an air outlet; Described air distribution plate is arranged at the bottom of dreg cooling chamber, and it is connected with blast pipe; Described cooling coil is arranged in dreg cooling chamber; Described coldplate is obliquely installed in dreg cooling chamber, and the one end is positioned at the below of dreg-inlet hopper, and the other end is positioned at the top of slag notch.
Large circulating fluidized bed boiler air-water slag-cooling device of the present utility model further is set to: be provided with successively an asbestos layer and a fireproof wear-resisting steel plate layer in described dreg cooling chamber.
Large circulating fluidized bed boiler air-water slag-cooling device of the present utility model also is set to: described cooling coil is arranged in asbestos layer.
Compared with prior art, the utlity model has following beneficial effect: large circulating fluidized bed boiler air-water slag-cooling device of the present utility model can not only carry out high temperature furnace slag cooling timely, can also utilize the waste-heat cooling water, waste heat can be utilized again, reach the purpose of energy-saving and emission-reduction.
[description of drawings]
Fig. 1 is the structural representation of large circulating fluidized bed boiler air-water slag-cooling device of the present utility model.
[specific embodiment]
See also shown in Figure of description 1, the utility model is a kind of large circulating fluidized bed boiler air-water slag-cooling device, and it is comprised of several parts such as leg 2, dreg cooling chamber 1, blast pipe 3, air distribution plate 4, cooling coil 5 and coldplates 6.
Wherein, described leg 2 is supported on ground, and with this air-water slag-cooling device location and installation.
Can carry out high temperature furnace slag coolingly in described dreg cooling chamber 1, it is arranged on leg 2.The side of this dreg cooling chamber 1 is provided with a dreg-inlet hopper 11, by this dreg-inlet hopper 11, high temperature furnace slag is inputted in dreg cooling chamber 1.Be provided with a slag notch 12 that is used for cooled slag discharge in dreg cooling chamber 1 bottom surface.Be provided with an air outlet 13 in dreg cooling chamber's 1 end face.Further, be provided with successively an asbestos layer 14 and a fireproof wear-resisting steel plate layer 15 in described dreg cooling chamber 1, by described asbestos layer 14 is set, dreg cooling chamber 1 is heat insulation, heat-resisting effect is better thereby make; And described fireproof wear-resisting steel plate layer 15 is set, make this dreg cooling chamber 1 have stronger wearability, long service life.
Described air distribution plate 4 is arranged at the bottom of dreg cooling chamber 1, and it is connected with blast pipe 3.Pass into cooling air by described blast pipe 3, then through air distribution plate 4, cooling air is sent in dreg cooling chamber 1, thereby carry out cooling to high temperature furnace slag.
Described cooling coil 5 is arranged in dreg cooling chamber 1, specifically, is to be arranged in the asbestos layer 14 of dreg cooling chamber 1.Can lead to cooling water in this cooling coil 5, and utilize high temperature furnace slag that cooling water is heated and form hot water.
Described coldplate 6 is used for the carrying high temperature furnace slag, and it is obliquely installed in dreg cooling chamber 1, and the coldplate 6 of this inclination facilitates deslagging.These coldplate 6 one ends are positioned at the below of dreg-inlet hopper 11, and the other end is positioned at the top of slag notch 12.
The above specific embodiment is only the preferred embodiment of this creation, not in order to limiting this creation, all in this creation spirit and principle within make any modification, be equal to replacement, improvement etc., within all should being included in the protection domain of this creation.
Claims (3)
1. a large circulating fluidized bed boiler air-water slag-cooling device, is characterized in that: comprise leg, dreg cooling chamber, blast pipe, air distribution plate, cooling coil and coldplate; Wherein, described dreg cooling chamber is arranged on leg, and its side is provided with a dreg-inlet hopper, and the bottom surface is provided with a slag notch, and end face is provided with an air outlet; Described air distribution plate is arranged at the bottom of dreg cooling chamber, and it is connected with blast pipe; Described cooling coil is arranged in dreg cooling chamber; Described coldplate is obliquely installed in dreg cooling chamber, and the one end is positioned at the below of dreg-inlet hopper, and the other end is positioned at the top of slag notch.
2. large circulating fluidized bed boiler air-water slag-cooling device as claimed in claim 1, is characterized in that: be provided with successively an asbestos layer and a fireproof wear-resisting steel plate layer in described dreg cooling chamber.
3. large circulating fluidized bed boiler air-water slag-cooling device as claimed in claim 2, it is characterized in that: described cooling coil is arranged in asbestos layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220595740 CN202993186U (en) | 2012-11-03 | 2012-11-03 | Air water slag cooler of large circulating fluidized bed boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220595740 CN202993186U (en) | 2012-11-03 | 2012-11-03 | Air water slag cooler of large circulating fluidized bed boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202993186U true CN202993186U (en) | 2013-06-12 |
Family
ID=48564363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220595740 Expired - Fee Related CN202993186U (en) | 2012-11-03 | 2012-11-03 | Air water slag cooler of large circulating fluidized bed boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202993186U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329664A (en) * | 2014-10-17 | 2015-02-04 | 中国华能集团清洁能源技术研究院有限公司 | Water-cooling flash evaporation bottom slag cooler |
| CN107747732A (en) * | 2017-09-29 | 2018-03-02 | 神华集团有限责任公司 | Boiler fluidized bed slag cooler |
| CN110631009A (en) * | 2019-09-26 | 2019-12-31 | 峨眉山市湘腾机械厂 | Fengshui Combined Cycle Vertical Slag Cooler |
| CN112555874A (en) * | 2020-12-25 | 2021-03-26 | 青岛海洲电力设备有限公司 | Wind-water combined material cooling machine |
-
2012
- 2012-11-03 CN CN 201220595740 patent/CN202993186U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329664A (en) * | 2014-10-17 | 2015-02-04 | 中国华能集团清洁能源技术研究院有限公司 | Water-cooling flash evaporation bottom slag cooler |
| CN107747732A (en) * | 2017-09-29 | 2018-03-02 | 神华集团有限责任公司 | Boiler fluidized bed slag cooler |
| CN107747732B (en) * | 2017-09-29 | 2019-10-15 | 神华集团有限责任公司 | Boiler fluidized bed slag cooler |
| CN110631009A (en) * | 2019-09-26 | 2019-12-31 | 峨眉山市湘腾机械厂 | Fengshui Combined Cycle Vertical Slag Cooler |
| CN112555874A (en) * | 2020-12-25 | 2021-03-26 | 青岛海洲电力设备有限公司 | Wind-water combined material cooling machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20141103 |
|
| EXPY | Termination of patent right or utility model |