CN202853404U - Novel rotary cement kiln grate cooling system - Google Patents
Novel rotary cement kiln grate cooling system Download PDFInfo
- Publication number
- CN202853404U CN202853404U CN2012205204001U CN201220520400U CN202853404U CN 202853404 U CN202853404 U CN 202853404U CN 2012205204001 U CN2012205204001 U CN 2012205204001U CN 201220520400 U CN201220520400 U CN 201220520400U CN 202853404 U CN202853404 U CN 202853404U
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- CN
- China
- Prior art keywords
- cooling system
- cement kiln
- grate cooling
- temperature section
- collecting pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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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
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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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
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
- Y02P40/121—Energy efficiency measures, e.g. improving or optimising the production methods
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- Muffle Furnaces And Rotary Kilns (AREA)
- Furnace Details (AREA)
Abstract
The utility model relates to a novel rotary cement kiln grate cooling system. The utility model further provides a novel rotary cement kiln grate cooling system to solve the problems which is how to further improve a sintering temperature and a splat cooling speed of a prior rotary cement kiln. Therefore, the novel rotary cement kiln grate cooling system comprises a grate cooling machine, a steam boiler, a turbonator and an electric precipitation device. The novel rotary cement kiln grate cooling system is characterized in that a remaining heat gas collecting pipe is arranged between the upper part of a high temperature section shell body side and the steam boiler. An inlet of the high temperature section remaining heat gas collecting pipe and an inlet of a middle temperature section remaining heat gas collecting pipe are respectively formed in two sides of the grate cooling machine. Air-inlets of the three draught fans are respectively connected with a tail gas pipe through an air-inlet pipe. Each gas-inlet is provided with an air-suction pipe which is communicated with the air. Each air-suction pipe is provided with a regulating valve. The novel rotary cement kiln grate cooling system has the advantages of being simple in structure, scientific in design, energy-saving and environmental friendly. The cements produced are high in mark and strong in strength. The grate cooling system is widely used in various cement rotary kilns and the novel rotary cement kilngrate cooling system is a necessary weapon for cement enterprises to save energies and dig the potentials.
Description
Technical field
The utility model relates to a kind of novel rotation cement kiln grate cooling system.
Background technology
Existing revolving cement kiln grate cooling system comprises cold prevention machine, steam boiler, steam turbine generator and electric dust collector, cold prevention machine comprises housing, housing head end and rotary kiln join, the housing tail end is discharge end, housing is divided into high temperature section, middle-temperature section and low-temperature zone, its inside is respectively equipped with high temperature grate plate, middle temperature grate plate, low temperature grate plate, its bottom is respectively equipped with three blower fans, low-temperature zone case side top, middle-temperature section case side top, housing rear upper lateral part is respectively equipped with the waste hot air collecting pipe, above-mentioned waste hot air collecting pipe passes into steam boiler, waste hot air forms tail gas behind steam boiler, pass into electric dust collector by offgas duct.
Cement material is fired through coal dust in high temperature section, through middle-temperature section, at last in rapidly air-cooled rear discharging of low-temperature zone, in this process, the high-temperature firing temperature is higher, and air-cooled speed is faster rapidly, temperature is lower, gained cement grade is higher, and bonding strength is larger, but existing revolving cement kiln grate cooling system is still waiting further improvement.
The utility model content
The technical problems to be solved in the utility model is how further to improve firing temperature and the chilling speed of existing revolving cement kiln, and a kind of novel rotation cement kiln grate cooling system is provided.
For solving the problems of the technologies described above, this novel rotation cement kiln grate cooling system comprises cold prevention machine, steam boiler, steam turbine generator and electric dust collector, cold prevention machine comprises housing, housing head end and rotary kiln join, the housing tail end is discharge end, housing is divided into high temperature section, middle-temperature section and low-temperature zone, its inside is respectively equipped with high temperature grate plate, middle temperature grate plate, low temperature grate plate, its bottom is respectively equipped with three blower fans, low-temperature zone case side top, middle-temperature section case side top is respectively equipped with the waste hot air collecting pipe, above-mentioned waste hot air collecting pipe passes into steam boiler, waste hot air forms tail gas behind steam boiler, pass into electric dust collector by offgas duct, it is characterized in that: also be provided with the waste hot air collecting pipe between high temperature section case side top and the steam boiler, and the entrance of its entrance and middle-temperature section waste hot air collecting pipe lays respectively at the cold prevention machine both sides; The air inlet of three blower fans communicates with offgas duct by air inlet pipe respectively, is respectively equipped with the air intake duct that communicates with atmosphere on each air inlet pipe, and is equipped with control valve on each air intake duct.
So design, high temperature section increases the waste hot air collecting pipe on the one hand, and collected waste hot air increases greatly, and institute's steam that produces is approaching to double, and the electric weight that occurs increases and is twice.Lu Zhu cement plant, Tai'an existing equipment forms this novel rotation cement kiln grate cooling system through after transforming, and the steam boiler vapor volume is brought up to 15 tons from per hour 8 tons, and the steam turbine generator generated energy is brought up to 5000KW/h from 3000KW/h.
As optimization, described electric dust collector root communicates with cold prevention machine housing discharge end top by an inclined tube.So design, discharging opening rapidly air cooling effect is good, and water produced mud label is high, and bonding strength is large.
As optimization, also be provided with booster fan on the described offgas duct.
This novel rotation cement kiln grate cooling system has simple in structure, design science, and the advantage of energy-conserving and environment-protective, water produced mud label is high, and intensity is large, is widely used in various cement rotary kilns, is the energy-conservation indispensable weapon of taping the latent power of cement production enterprise.
Description of drawings
Below in conjunction with accompanying drawing this novel rotation cement kiln grate cooling system is described further:
Fig. 1 is the structural representation of this novel rotation cement kiln grate cooling system.
Among the figure: 1 is that cold prevention machine, 2 is that steam boiler, 3 is that steam turbine generator, 4 is that electric dust collector, 5 is that rotary kiln, 6 is that high temperature grate plate, 7 is that middle temperature grate plate, 8 is that high temperature grate plate, 9 is that blower fan, 10 is that waste hot air collecting pipe, 11 is that offgas duct, 12 is that air inlet pipe, 13 is that air intake duct, 14 is that inclined tube, 15 is that booster fan, 16 is coal feeding pipe.
The specific embodiment
Embodiment one: as shown in Figure 1, this novel rotation cement kiln grate cooling system comprises cold prevention machine 1, steam boiler 2, steam turbine generator 3 and electric dust collector 4, cold prevention machine 1 comprises housing, housing head end and rotary kiln 5 join, the housing tail end is discharge end, housing is divided into high temperature section, middle-temperature section and low-temperature zone, its inside is respectively equipped with high temperature grate plate 6, middle temperature grate plate 7, low temperature grate plate 8, its bottom is respectively equipped with three blower fans 9, low-temperature zone case side top is respectively equipped with waste hot air collecting pipe 10, above-mentioned waste hot air collecting pipe 10 passes into steam boiler 2, and waste hot air forms tail gas behind steam boiler 2, passes into electric dust collector 4 by offgas duct 11.Also be provided with waste hot air collecting pipe 10 between high temperature section case side top and the steam boiler, and the entrance of its entrance and middle-temperature section waste hot air collecting pipe lays respectively at cold prevention machine 1 both sides; The air inlet of three blower fans 9 communicates with offgas duct 11 by air inlet pipe 12 respectively, is respectively equipped with the air intake duct 13 that communicates with atmosphere on each air inlet pipe 12, and is equipped with control valve on each air intake duct 13.
Described electric dust collector 4 roots communicate with cold prevention machine 1 housing discharge end top by an inclined tube 14.Also be provided with booster fan 15 on the described offgas duct 11.
The above-mentioned specific embodiment only is concrete case of the present utility model; scope of patent protection of the present utility model includes but not limited to the above-mentioned specific embodiment, and any described revolving cement kiln grate of the utility model claims cool equipment that meets all falls into scope of patent protection of the present utility model
Claims (3)
1. novel rotation cement kiln grate cooling system, comprise cold prevention machine, steam boiler, steam turbine generator and electric dust collector, cold prevention machine comprises housing, housing head end and rotary kiln join, the housing tail end is discharge end, housing is divided into high temperature section, middle-temperature section and low-temperature zone, its inside is respectively equipped with high temperature grate plate, middle temperature grate plate, low temperature grate plate, its bottom is respectively equipped with three blower fans, low-temperature zone case side top, middle-temperature section case side top is respectively equipped with the waste hot air collecting pipe, above-mentioned waste hot air collecting pipe passes into steam boiler, waste hot air forms tail gas behind steam boiler, pass into electric dust collector by offgas duct, it is characterized in that: also be provided with the waste hot air collecting pipe between high temperature section case side top and the steam boiler, and the entrance of its entrance and middle-temperature section waste hot air collecting pipe lays respectively at the cold prevention machine both sides; The air inlet of three blower fans communicates with offgas duct by air inlet pipe respectively, is respectively equipped with the air intake duct that communicates with atmosphere on each air inlet pipe, and is equipped with control valve on each air intake duct.
2. novel rotation cement kiln grate cooling system as claimed in claim 1, it is characterized in that: described electric dust collector root communicates with cold prevention machine housing discharge end top by an inclined tube.
3. novel rotation cement kiln grate cooling system as claimed in claim 1 or 2 is characterized in that: also be provided with booster fan on the described offgas duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205204001U CN202853404U (en) | 2012-10-11 | 2012-10-11 | Novel rotary cement kiln grate cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205204001U CN202853404U (en) | 2012-10-11 | 2012-10-11 | Novel rotary cement kiln grate cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202853404U true CN202853404U (en) | 2013-04-03 |
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ID=47984590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012205204001U Expired - Lifetime CN202853404U (en) | 2012-10-11 | 2012-10-11 | Novel rotary cement kiln grate cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202853404U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103528385A (en) * | 2013-10-23 | 2014-01-22 | 攀枝花钢城集团瑞丰水泥有限公司 | Grate type cooling machine |
-
2012
- 2012-10-11 CN CN2012205204001U patent/CN202853404U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103528385A (en) * | 2013-10-23 | 2014-01-22 | 攀枝花钢城集团瑞丰水泥有限公司 | Grate type cooling machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANDONG CONSTRUCTION HIGH PRESSURE CONTAINER CORP Free format text: FORMER OWNER: LI LIANHUA Effective date: 20140611 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 250131 JINAN, SHANDONG PROVINCE TO: 250001 JINAN, SHANDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140611 Address after: 250001 No. 25 Industrial North Road, Licheng District, Shandong, Ji'nan Patentee after: SHANDONG CONSTRUCTION HIGH PRESSURE CONTAINER Co.,Ltd. Address before: 250131 No. 25 Industrial North Road, Licheng District, Shandong, Ji'nan Patentee before: Li Lianhua |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130403 |