CN201583126U - Swirl shaft preheating device of rotary kiln - Google Patents
Swirl shaft preheating device of rotary kiln Download PDFInfo
- Publication number
- CN201583126U CN201583126U CN2010200467590U CN201020046759U CN201583126U CN 201583126 U CN201583126 U CN 201583126U CN 2010200467590 U CN2010200467590 U CN 2010200467590U CN 201020046759 U CN201020046759 U CN 201020046759U CN 201583126 U CN201583126 U CN 201583126U
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- Prior art keywords
- cyclone
- rotary kiln
- pipe
- cyclone preheater
- preheating device
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Abstract
The utility model relates to a swirl shaft preheating device of a rotary kiln, which comprises a primary cyclone preheater, a secondary cyclone preheater, a tertiary cyclone preheater and a bucket elevator, wherein the tertiary cyclone preheater is connected with the rotary kiln by an uptake flue and a third blanking pipe; the secondary cyclone preheater is connected with the tertiary cyclone preheater by a rising air pipe and a second blanking pipe; the primary cyclone preheater is connected with the secondary cyclone preheater by a central air pipe and a first blanking pipe; the spreading box of the bucket elevator is connected with the central air pipe by a feeding pipe; and the first blanking pipe, the second blanking pipe, the third blanking pipe and the feeding pipe are respectively provided with a flap valve. The swirl shaft preheating device of the rotary kiln enables the waste gas of the kiln tail and materials to sufficiently exchange heat, and the thermal efficiency is high; moreover, material deposition and aggregation can not be generated.
Description
Technical field
The utility model relates to a kind of preheating device of rotary kiln material, the upright tube of particularly a kind of cyclone-type preheating device.
Background technology
In the prior art, in order to improve the thermal efficiency of rotary kiln, reduce the thermal loss that kiln tail gas is taken away; Usually utilize kiln tail gas to add thermal material, make the drying of material, preheating outside rotary kiln, finish; Thereby energy savings also saves production cost simultaneously, improves product competitiveness.And utilizing the thermal efficiency ratio of preheating device of the pre-thermal material of rotary kiln waste gas lower in the prior art, material and kiln tail gas heat exchange are insufficient, and some preheating devices can produce material deposition, agglomeration.
The utility model content
Technical problem to be solved in the utility model is: provide a kind of kiln tail gas and material heat exchange abundant, thermal efficiency height, and the upright tube of the cyclone-type preheating device that can not produce the material deposition, reunite.
The utility model is achieved by the following technical solution: the upright tube of an a kind of rotary kiln cyclone-type preheating device comprises one-level cyclone preheater, secondary cyclone preheater, three grades of cyclone preheaters and bucket elevator; Described three grades of cyclone preheaters are connected with rotary kiln with the 3rd tremie pipe by uptake flue, described secondary cyclone preheater is connected with described three grades of cyclone preheaters with second tremie pipe by the rising airduct, described one-level cyclone preheater is connected with described secondary cyclone preheater with first tremie pipe by central air hose, and the spreading case of described bucket elevator is connected with described central air hose by feeder sleeve; Be provided with flap valve on described first tremie pipe, described second tremie pipe, described the 3rd tremie pipe and the described feeder sleeve.
The upright tube of above-mentioned rotary kiln cyclone-type preheating device also comprises the sack cleaner that is connected with described one-level cyclone preheater by downtake pipe, and described downtake pipe is provided with electric butterfly valve.
The upright tube of above-mentioned rotary kiln cyclone-type preheating device, the below of described sack cleaner is provided with the dust humidifier.
The upright tube of above-mentioned rotary kiln cyclone-type preheating device also comprises the air-introduced machine that is connected with described sack cleaner by second exhaust pipe.
The upright tube of above-mentioned rotary kiln cyclone-type preheating device, the pipeline that connects described downtake pipe and described second exhaust pipe is provided with damper.
The upright tube of rotary kiln cyclone-type of the present utility model preheating device has following beneficial technical effects: rotary kiln cyclone-type of the present utility model upright tube preheating device is because material disperses, single grain matter distributes, particle carries at air-flow and keeps down rotatablely moving, thereby heat exchange is abundant, the material deposition, the agglomeration that do not have the upright tube of other forms are than the thermal efficiency height of other form waste heat apparatus.Thereby can improve the thermal efficiency of rotary kiln, reduce the heat loss that kiln tail gas is taken away, make the preheating of material, drying outside rotary kiln, finish, play the effect of good volume increase, consumption reduction.
Description of drawings
Fig. 1 is the structural representation of the upright tube of rotary kiln cyclone-type of the present utility model preheating device.
Among the figure: 1-bucket elevator, three grades of cyclone preheaters of 2-, 3-secondary cyclone preheater, 4-flap valve, 5-one-level cyclone preheater, 6-electric butterfly valve, 7-damper, the 8-sack cleaner, 9-dust humidifier, 10-air-introduced machine, the 11-uptake flue, 12-the 3rd tremie pipe, 13-rising airduct, 14-second tremie pipe, 15-central air hose, 16-feeder sleeve, the 17-downtake pipe, 18-second exhaust pipe, 19-first tremie pipe.
The specific embodiment
The upright tube of the rotary kiln cyclone-type of a present embodiment preheating device comprises one-level cyclone preheater 5, secondary cyclone preheater 3, three grades of cyclone preheaters 2 and bucket elevators 1; Described three grades of cyclone preheaters 2 are connected with rotary kiln with the 3rd tremie pipe 12 by uptake flue 11, described secondary cyclone preheater 3 is connected with described three grades of cyclone preheaters 2 with second tremie pipe 14 by rising airduct 13, described one-level cyclone preheater 5 is connected with described secondary cyclone preheater 3 with first tremie pipe 19 by central air hose 15, and the spreading case of described bucket elevator 1 is connected with described central air hose 15 by feeder sleeve 16; Be provided with flap valve 4 on described first tremie pipe 20, described second tremie pipe 14, described the 3rd tremie pipe 12 and the described feeder sleeve 16; Also comprise the sack cleaner 8 that is connected with described one-level cyclone preheater 5 by downtake pipe 17, described downtake pipe 17 is provided with electric butterfly valve 6, and the below of described sack cleaner 8 is provided with dust humidifier 9; Also comprise the air-introduced machine 10 that is connected with described sack cleaner 8 by second exhaust pipe 18.The pipeline that connects described downtake pipe 17 and described second exhaust pipe 18 is provided with damper 7.
The upright tube of the rotary kiln cyclone-type of present embodiment preheating device when in use, the kiln discharge waste gas of kiln tail enters in described three grades of cyclone preheaters 2 through described uptake flue 11, the air-flow that enters described three grades of cyclone preheaters 2 rises in the shape of a spiral, enter described secondary cyclone preheater 3 through described rising airduct 13, the waste gas that comes out from described secondary cyclone preheater 3 enters described one-level cyclone preheater 5 by described central air hose 15, the waste gas that comes out from described one-level cyclone preheater 5 enters described sack cleaner 8 through downtake pipe 17 and gathers dust, and enters described air-introduced machine 10 from described second exhaust pipe 18 then.Material is promoted to the spreading case through described bucket elevator 1, send into described central air hose 15 by described feeder sleeve 16, after described one-level cyclone preheater 5 preheatings, enter described rising airduct 13 by described first tremie pipe 19, then along with the waste gas in the described rising airduct 13 enters described secondary cyclone preheater 3, after described secondary cyclone preheater 3 preheatings, enter described three grades of cyclone preheaters 2, material is after the spreading device disperses, shape moves from top to bottom in the shape of a spiral under the effect of airflow centrifugal power and gravity, carry out heat exchange, fully the good material of preheating enters the tapering of described three grades of cyclone preheaters 2, enters in the kiln through described the 3rd tremie pipe 12.
?
The rotary kiln cyclone-type of present embodiment upright tube preheating device is because material disperses, single grain matter distributes, particle carries at air-flow and keeps down rotatablely moving, thereby heat exchange is abundant, does not have material deposition, the agglomeration of the upright tube of other forms, than the thermal efficiency height of other form waste heat apparatus.Thereby can improve the thermal efficiency of rotary kiln, reduce the heat loss that kiln tail gas is taken away, make the preheating of material, drying outside rotary kiln, finish, play the effect of good volume increase, consumption reduction.
Claims (5)
1. the upright tube of a rotary kiln cyclone-type preheating device is characterized in that, comprises one-level cyclone preheater (5), secondary cyclone preheater (3), three grades of cyclone preheaters (2) and bucket elevator (1); Described three grades of cyclone preheaters (2) are connected with rotary kiln with the 3rd tremie pipe (12) by uptake flue (11), described secondary cyclone preheater (3) is connected with described three grades of cyclone preheaters (2) with second tremie pipe (14) by rising airduct (13), described one-level cyclone preheater (5) is connected with described secondary cyclone preheater (3) with first tremie pipe (19) by central air hose (15), and the spreading case of described bucket elevator (1) is connected with described central air hose (15) by feeder sleeve (16); Be provided with flap valve (4) on described first tremie pipe (20), described second tremie pipe (14), described the 3rd tremie pipe (12) and the described feeder sleeve (16).
2. the upright tube of rotary kiln cyclone-type according to claim 1 preheating device, it is characterized in that, also comprise the sack cleaner (8) that is connected with described one-level cyclone preheater (5) by downtake pipe (17), described downtake pipe (17) is provided with electric butterfly valve (6).
3. the upright tube of rotary kiln cyclone-type according to claim 2 preheating device is characterized in that the below of described sack cleaner (8) is provided with dust humidifier (9).
4. the upright tube of rotary kiln cyclone-type according to claim 3 preheating device is characterized in that, also comprises the air-introduced machine (10) that is connected with described sack cleaner (8) by second exhaust pipe (18).
5. the upright tube of rotary kiln cyclone-type according to claim 4 preheating device is characterized in that the pipeline that connects described downtake pipe (17) and described second exhaust pipe (18) is provided with damper (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200467590U CN201583126U (en) | 2010-01-11 | 2010-01-11 | Swirl shaft preheating device of rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200467590U CN201583126U (en) | 2010-01-11 | 2010-01-11 | Swirl shaft preheating device of rotary kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201583126U true CN201583126U (en) | 2010-09-15 |
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ID=42725128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200467590U Expired - Lifetime CN201583126U (en) | 2010-01-11 | 2010-01-11 | Swirl shaft preheating device of rotary kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201583126U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012155647A1 (en) * | 2011-05-13 | 2012-11-22 | 北京四方联新技术开发有限公司 | Cyclone pre-heater |
| CN107084617A (en) * | 2017-06-12 | 2017-08-22 | 北京凯盛建材工程有限公司 | A kind of cement cyclone preheater kiln transform the energy-saving and emission-reduction remodeling method of the outer nsp kiln of kiln as |
-
2010
- 2010-01-11 CN CN2010200467590U patent/CN201583126U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012155647A1 (en) * | 2011-05-13 | 2012-11-22 | 北京四方联新技术开发有限公司 | Cyclone pre-heater |
| CN107084617A (en) * | 2017-06-12 | 2017-08-22 | 北京凯盛建材工程有限公司 | A kind of cement cyclone preheater kiln transform the energy-saving and emission-reduction remodeling method of the outer nsp kiln of kiln as |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100915 |
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| CX01 | Expiry of patent term |