CN202208690U - Air circulation system for calcining compartment of sleeve kiln - Google Patents
Air circulation system for calcining compartment of sleeve kiln Download PDFInfo
- Publication number
- CN202208690U CN202208690U CN2011203419451U CN201120341945U CN202208690U CN 202208690 U CN202208690 U CN 202208690U CN 2011203419451 U CN2011203419451 U CN 2011203419451U CN 201120341945 U CN201120341945 U CN 201120341945U CN 202208690 U CN202208690 U CN 202208690U
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- inner core
- internal cylinder
- air
- inlet
- outlet
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
Abstract
The utility model relates to an air circulation system for a calcining compartment of a sleeve kiln, comprising an upper internal cylinder, a lower internal cylinder, a circulation pipeline, an ejector, a lower combustion chamber and a lower calcination belt. An internal cylinder cooled air pipeline is arranged in the upper internal cylinder and in the lower internal cylinder; and the internal cylinder cooled air pipeline is communicated with an internal cylinder cooled air outlet. The lower internal cylinder is communicated with the circulation air outlet; and a circulation air inlet and a burner are arranged in the lower combustion chamber. The ejector comprises an inlet, an outlet and an injection pipe. The inlet of the ejector is connected with the circulation air outlet by the circulation pipeline; and the outlet of the ejector is connected with the circulated air inlet. The internal cylinder cooled air outlet is divided into two ways, wherein in one way, the internal cylinder cooled air outlet is connected with the burner and cooled air is used as combustion-supporting air; and in the other way, the internal cylinder cooled air outlet is connected with the inlet of the injection pipe of the ejector and the cooled air is used as injection air. By adopting the air circulation system, the internal cylinder cooled air is used as the injection air so that a roots blower and fitting devices are eliminated, the production flow is simplified, and the equipment expense and power consumption are reduced.
Description
Technical field
The invention belongs to building materials, chemical production equipment technical field, relate to a kind of annulus limestone kiln, be specifically related to a kind of sleeve kiln calcining compartment wind circulating system.
Background technology
Telescopic shaft furnace has another name called ring kiln, originates from Teller company of the graceful department of German Beckenbach Weir, and cover for seat cartridge type shaft furnace comes into operation surplus in the of existing 300 in the world.Practice shows that telescopic shaft furnace equipment is simple, and Operation and maintenance are convenient, and Working environment is better, and calcination product is superior in quality, is a kind of very promising novel stove.The sleeve kiln is made up of inner core and urceolus, and inner core is divided into inner core and following inner core, and the centre is provided with upper and lower two-layer combustion chamber, links to each other through firebridge between combustion chamber and the inner core.Upper and lower inner core is provided with the pipeline of cooling air circulation, inner core is cooled off continuously prevent high temperature deformation, and the inner core cooling air behind the cooling inner core gets into burner and makes combustion air.The high-temperature flue gas that lower combustion chamber burning produces is divided into two strands: stock-traders' know-how middle part calcining zone, top calcining zone flow to the kiln top and meet with unburnt gas from upper combustion chamber; Another strand air-flow is operation downwards under the effect of lower combustion chamber's injector, with cooling air warp inner core, recycle gas outlet, injector, recirculating air inlet, combustion chamber and the calcining zone formation circulation down of cool lime.The purpose of gas circulation is for following calcining zone forms and stream, improves the incinerating homogeneity, avoids giving birth to burning and burning, guarantees the calcination product quality.The injection air that the prior art injector is used is provided by special roots blower, has increased power consumption, and gets into wind circulating system because fresh air is made injection air, and the temperature of recirculating air is reduced, and has increased energy consumption, influences quality product.
Summary of the invention
For overcoming the deficiency of prior art, the utility model provides a kind of sleeve kiln calcining compartment wind circulating system, reduces facility investment and power consumption, reduces energy expenditure, improves the quality of products.
The utility model sleeve kiln calcining compartment wind circulating system comprises inner core, following inner core, circulation line, injector, lower combustion chamber and following calcining zone.Last inner core, following inner core are provided with inner core cooling air pipeline, and inner core cooling air pipeline is communicated with the inner core cooling air outlet.Following inner core is communicated with the recirculating air outlet, and lower combustion chamber is provided with recirculating air inlet and burner.Injector comprises inlet, outlet and spray tube.The inlet of injector is connected with the recirculating air outlet through circulation line, and the outlet of injector is connected to the recirculating air inlet.The inner core cooling air outlet is divided into two-way, and one the road is connected to burner, makes combustion air, and another road is connected to the spray tube inlet of injector, makes to spray wind.
Burner is geseous fuel burner or solid fuel burner.
The utility model sleeve kiln inner core cooling air outlet is connected to the inlet of recirculating air injector spray tube, utilizes the inner core cooling air to do to spray wind, saves a roots blower and support equipment, has simplified Production Flow Chart, has reduced cost of equipment and power consumption.Because the inner core cooling air is the condition of high temperature, do injection wind entering injector mixes the back with recirculating air temperature-resistant, therefore improved the temperature of entering lower combustion chamber recirculating air, helps reducing energy expenditure, raising lime product quality.
Description of drawings
Fig. 1 is a sleeve kiln calcining compartment wind circulating system schematic flow sheet of the present invention.
Wherein:
Inner core under zone of combustion, 9-calcining compartment, 10-inner core cooling air inlet, the last inner core of 11-, 12-circulation line, the outlet of 13-recirculating air, 14-upper combustion chamber, the 15-under 1-sleeve kiln, 2-injecting tube, 3-spray tube, 4-inner core cooling air pipeline, 5-inner core cooling air outlet, 6-recirculating air inlet, 7-burner, the 8-.
Embodiment
Below in conjunction with accompanying drawing the utility model is done further explanation.
The utility model sleeve kiln calcining compartment wind circulating system is as shown in Figure 1, comprises inner core 11, following inner core 15, circulation line 12, injector 3, lower combustion chamber 8 and following calcining zone 9.Last inner core 11 is provided with inner core cooling air pipeline 4 with following inner core 15, and inner core cooling air pipeline is communicated with inner core cooling air outlet 5, and inner core cooling air inlet 10 is positioned at the bottom of sleeve kiln, is connected with the inner core cooling blower.Following inner core is communicated with the recirculating air outlet, and lower combustion chamber is provided with recirculating air inlet 10 and burner 7, and burner is the geseous fuel burner.Injector comprises inlet, outlet and spray tube 3, and the inlet of injector is connected with recirculating air outlet 13 through circulation line 12, and the outlet circulation line of injector is connected to the recirculating air inlet.The inner core cooling air outlet is divided into two-way, and one the road is connected to burner, and another road is connected to the spray tube inlet of injector.
The operational process of sleeve kiln calcining compartment wind circulating system is that the high-temperature flue gas that the combustion chamber fuel combustion produces gets into inner core down from following inner core bottom cycle gas inlet behind the calcining zone calcined limestone of bottom.The air of cool lime gets in the kiln from the bottom, is got into down inner core with high-temperature flue gas after the preheating of high temperature lime.Be called recirculating air after two strands of air-flows mix, temperature is generally 800～900 ℃.Recirculating air warp inner core top recirculating air outlet 13 is down gone out, and under the effect of injector, goes into the interruption-forming circulation through circulation line 12, injector 13, recirculating air inlet 6, lower combustion chamber 7, calcining compartment 9 and following inner core 15.The inner core cooling air gets into inner core cooling air inlet 4 by the air blast of inner core cooling blower through inner core cooling air inlet 10, and inner core cooling air temperature is increased to 400～500 ℃ in cooling inner core process.Inner core cooling air after the intensification is gone out through inner core cooling air outlet 5 and is divided into two-way, and one the road makes combustion air to burner 7, and one the road makes to spray wind to the spray tube 3 of injector.
Claims (2)
1. sleeve kiln calcining compartment wind circulating system; Comprise inner core (11), following inner core (15), circulation line (12), injector (3), lower combustion chamber (8) and following calcining zone (9); Said upward inner core (11), following inner core (15) are provided with inner core cooling air pipeline (4); Inner core cooling air pipeline is communicated with inner core cooling air outlet (5), and said inner core down is communicated with recirculating air outlet (13), and said lower combustion chamber is provided with recirculating air inlet (6) and burner (7); Said injector comprises inlet, outlet and spray tube (3); The inlet of injector is connected with the recirculating air outlet through circulation line (12); The outlet of injector is connected to the recirculating air inlet; It is characterized in that: said inner core cooling air outlet (5) is divided into two-way, and one the road is connected to burner, and another road is connected to the spray tube inlet of injector.
2. according to the said sleeve kiln of claim 1 calcining compartment wind circulating system, it is characterized in that: said burner is geseous fuel burner or solid fuel burner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203419451U CN202208690U (en) | 2011-09-13 | 2011-09-13 | Air circulation system for calcining compartment of sleeve kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203419451U CN202208690U (en) | 2011-09-13 | 2011-09-13 | Air circulation system for calcining compartment of sleeve kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202208690U true CN202208690U (en) | 2012-05-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203419451U Expired - Lifetime CN202208690U (en) | 2011-09-13 | 2011-09-13 | Air circulation system for calcining compartment of sleeve kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202208690U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103508687A (en) * | 2012-06-25 | 2014-01-15 | 上海宝冶建设工业炉工程技术有限公司 | Sleeve lime kiln empty-kiln baking method |
| CN103803515A (en) * | 2014-02-22 | 2014-05-21 | 石家庄新华能源环保科技股份有限公司 | Decarbonizing calcining device of yellow phosphorus ores |
| CN103508687B (en) * | 2012-06-25 | 2016-11-30 | 上海宝冶建设工业炉工程技术有限公司 | Sleeve lime kiln sky kilning kiln method |
| CN106186741A (en) * | 2016-08-26 | 2016-12-07 | 大峘集团有限公司 | Active lime BASK |
| CN108168292A (en) * | 2017-11-29 | 2018-06-15 | 方国庆 | A kind of multifunction environment-protection type BSK sintering technologies shaft furnace and its application method |
-
2011
- 2011-09-13 CN CN2011203419451U patent/CN202208690U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103508687A (en) * | 2012-06-25 | 2014-01-15 | 上海宝冶建设工业炉工程技术有限公司 | Sleeve lime kiln empty-kiln baking method |
| CN103508687B (en) * | 2012-06-25 | 2016-11-30 | 上海宝冶建设工业炉工程技术有限公司 | Sleeve lime kiln sky kilning kiln method |
| CN103803515A (en) * | 2014-02-22 | 2014-05-21 | 石家庄新华能源环保科技股份有限公司 | Decarbonizing calcining device of yellow phosphorus ores |
| CN106186741A (en) * | 2016-08-26 | 2016-12-07 | 大峘集团有限公司 | Active lime BASK |
| CN108168292A (en) * | 2017-11-29 | 2018-06-15 | 方国庆 | A kind of multifunction environment-protection type BSK sintering technologies shaft furnace and its application method |
| CN108168292B (en) * | 2017-11-29 | 2020-02-21 | 方国庆 | Multifunctional environment-friendly BSK sintering technology shaft kiln and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHIJIAZHUANG XINHUA ENERGY ENVIRONMENTAL TECHNOLOG Free format text: FORMER NAME: SHIJIAZHUANG XINHUA INDUSTRIAL FURNACE CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 051431 Hebei city of Shijiazhuang province Luancheng douyu town equipment manufacturing base of Xinhua Road No. 6 (douyu West Middle School) Patentee after: Shijiazhuang Xinhua Energy and Environmental Protection Technology Co., Ltd. Address before: 051430 equipment manufacturing base, Shijiazhuang, Hebei, Xinhua Road 6 Patentee before: Shijiazhuang Xinhua Industrial Furnace Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120502 |
|
| CX01 | Expiry of patent term |