CN201407913Y - Medium temperature and medium pressure residual heat utilization power generation device for dry-process cement production line - Google Patents
Medium temperature and medium pressure residual heat utilization power generation device for dry-process cement production line Download PDFInfo
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- CN201407913Y CN201407913Y CN2009201377423U CN200920137742U CN201407913Y CN 201407913 Y CN201407913 Y CN 201407913Y CN 2009201377423 U CN2009201377423 U CN 2009201377423U CN 200920137742 U CN200920137742 U CN 200920137742U CN 201407913 Y CN201407913 Y CN 201407913Y
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- heat boiler
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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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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model relates to a medium temperature and medium pressure surplus heat utilization power generation device for a dry-process cement production line, which comprises a clinker cooler, a rotary cement kiln, a kiln hood residual heat boiler, an overheater, a steam turbo-generator unit, a kiln outlet preheater and a kiln outlet residual heat boiler. A tertiary air pumping hole is formed atthe head part of the clinker cooler; a first exhaust gas pumping hole is formed at the middle part of the top plate of the clinker cooler; the tertiary air pumping hole is communicated with the air inlet of the overheater via a pipeline; the output pipelines of the air inlet of the overheater and the first exhaust gas pumping hole are connected in parallel so as to form a mixed exhaust gas pipeline; the mixed exhaust gas pipeline is communicated with the air inlet of the kiln hood residual heat boiler; a first vaporizer and a heater are arranged in the kiln hood residual heat boiler; both theoutlet and the inlet of the first vaporizer are communicated with a first steam header; and steam in the first steam header is transmitted to the overheater to be heated via the steam output pipelineof the first steam header, and is then output to the steam turbo-generator unit for expansion. The device can improve the utilization rate of residual heat resource of a dry-process cement productionline.
Description
Technical field
The utility model relates to a kind of dry cement production line medium temperature and medium pressure UTILIZATION OF VESIDUAL HEAT IN TRT.
Background technology
The new type nonaqueous cement production line residual heat resources are utilized, and adopt the medium temperature and medium pressure cogeneration mode of band additional combustion boiler before 2005 basically.Recent years is because the energy prices rise, and the requirement of on the national macro policy industrial restructuring being upgraded, the electricity generation system of original tape additional combustion boiler is eliminated gradually, or is transformed into pure low-temp low-pressure device for generating power by waste heat, and pure low-temperature cogeneration technology recovery waste heat resource is pressed in later all requirements in 2006.At present, pure low-temp low-pressure cogeneration heat-energy recovering apparatus mainly contains following several system: (1) single pressure type pure low-temperature cogeneration system; (2) compound flash distillation filling formula pure low-temperature cogeneration system; (3) multiple pressure filling formula pure low-temperature cogeneration system.Above-mentioned pure low-temperature cogeneration technology has following characteristics: (1) waste heat boiler is produced low-pressure low-temperature steam; (2) circulation system adopts the low-pressure low-temperature parameter.Because the thermodynamic cycle parameter that adopts is lower, so efficiency of thermal cycle is lower, causes the waste of resource.
Summary of the invention
The purpose of this utility model provides a kind of dry cement production line medium temperature and medium pressure UTILIZATION OF VESIDUAL HEAT IN TRT, and this device can improve the utilization rate of dry cement production line residual heat resources.
The utility model is achieved in that it comprises chamotte cooler, cement rotary kiln, kiln hood waste heat boiler, superheater, Turbo-generator Set, kiln tail preheater, kiln tail waste heat boiler, it is characterized in that: the chain-drive section of described chamotte cooler is provided with the tertiary air bleeding point, the top board middle part of described chamotte cooler is established first and is taken out exhaust outlet, described tertiary air bleeding point is connected with the air inlet of superheater through pipeline, the output channel of described superheater gas outlet is in parallel afterwards with first output channel of taking out exhaust outlet, and formed mix waste gas pipeline is connected with the air inlet of kiln hood waste heat boiler, be provided with one first evaporimeter and a heater in the described kiln hood waste heat boiler, the import of described first evaporimeter all is connected with one first drum with outlet, and the interior steam of described first drum is delivered to through one first drum steam output pipe road and outputs to Turbo-generator Set after superheater heats and carry out expansion working.
Remarkable advantage of the present utility model is: reasonable in design, the efficiency of thermal cycle height helps improving the conversion efficiency of dry cement production line residual heat resources, saves the energy.
Description of drawings
Fig. 1 is the organigram of the utility model specific embodiment.
The specific embodiment
Dry cement production line medium temperature and medium pressure UTILIZATION OF VESIDUAL HEAT IN TRT of the present utility model, comprise chamotte cooler 7, cement rotary kiln 5, kiln hood waste heat boiler 11, superheater 21, Turbo-generator Set 23, kiln tail preheater 4, kiln tail waste heat boiler 18, it is characterized in that: the chain-drive section of described chamotte cooler is provided with tertiary air bleeding point 6, the top board middle part of described chamotte cooler is established first and is taken out exhaust outlet 8, described tertiary air bleeding point is connected with the air inlet of superheater through pipeline, the output channel of described superheater gas outlet is in parallel afterwards with first output channel of taking out exhaust outlet, and formed mix waste gas pipeline is connected with the air inlet of kiln hood waste heat boiler, establish first evaporimeter 12 and heater 10 in the described kiln hood waste heat boiler, the import of described first evaporimeter all is connected with first drum 13 with outlet, and the interior steam of described first drum is delivered to through the first drum steam output pipe road and outputs to Turbo-generator Set after superheater heats and carry out expansion working.
The air inlet of above-mentioned kiln tail waste heat boiler all is connected with the exhaust emission tube road of kiln tail preheater with the gas outlet, the waste gas of described kiln tail preheater is discharged from the gas outlet of kiln tail waste heat boiler after being introduced into kiln tail waste heat boiler again, the output on the exhaust emission tube road of described kiln tail preheater is divided into three the tunnel behind high-temperature blower 22, one the road to raw mill, another road is to dust-precipitator, and Third Road to coal grinds.
Establish second evaporimeter 19 in the above-mentioned kiln tail waste heat boiler, the import of described second evaporimeter all is connected with second drum 20 with outlet, and described second drum is connected with the first drum steam output pipe road through pipeline.
The steam outlet of above-mentioned Turbo-generator Set is connected with the import of condenser 17, the outlet of described condenser is connected with the import of condensate pump 16, described condensate water delivery side of pump is connected with the import of oxygen-eliminating device 14, the import of the heater of the outlet of described oxygen-eliminating device in boiler feed pump 15 and kiln hood waste heat boiler is connected, the output pipe of described heater outlet is divided into two-way, one the tunnel is connected with first drum, and another road is connected with second drum.
Above-mentioned chamotte cooler is taken out exhaust outlet 9 near establishing second on the top board of discharge end one side, and described second output channel of taking out exhaust outlet and kiln hood waste heat boiler the be in parallel mix waste gas pipeline of back formation of the output pipe of device of giving vent to anger is connected with chimney 1 behind deduster 3, blower fan 2 respectively.
The temperature of above-mentioned tertiary air is in 850～950 ℃ of scopes.
Operation principle of the present utility model is such: about 850～950 ℃ the tertiary air of extracting out from the tertiary air bleeding point enters superheater through pipeline from the air inlet of superheater, the saturated vapor that produces in order to second drum of heating first drum of kiln hood waste heat boiler and kiln tail waste heat boiler is to 3.82MPa, 450 ℃, and the superheated steam after the heating is sent into the Turbo-generator Set acting of expanding and driven generator for electricity generation.
The waste gas of temperature about 330～400 ℃ that comes out from the gas outlet of superheater by the mix waste gas pipeline with about 330～400 ℃ that take out from first of chamotte cooler that exhaust outlet extracts out warm waste gas mix the back mutually and enter kiln hood waste heat boiler from the air inlet of kiln hood waste heat boiler.The hot water that heater production by kiln hood waste heat boiler is 253 ℃ is delivered to first drum and second drum.First evaporimeter of kiln hood waste heat boiler constantly carries out the saturated vapor of heat exchange with production 4.2Mpa simultaneously, and is delivered to superheater by the first drum steam output pipe road.
300～400 ℃ of waste gas that kiln tail preheater is discharged enter kiln tail waste heat boiler by the air inlet of kiln tail waste heat boiler, utilize the saturated vapor of the hot water production pressure 4.2Mpa that kiln hood waste heat boiler supplies with by second evaporimeter in the kiln tail waste heat boiler, and be delivered to superheater by the first drum steam output pipe road.The waste gas that comes out from kiln tail waste heat boiler divides three the tunnel, the one road to raw mill, and another road is to dust-precipitator, and Third Road to coal grinds.
Take out that waste gas that waste gas that exhaust outlet extracts out exports through output channel and kiln hood waste heat boiler gas outlet mixes mutually after discharge from chimney behind the deduster, blower fan from second of chamotte cooler.
After condenser condenses into water, it is got to oxygen-eliminating device from the steam of the steam outlet of Turbo-generator Set output by condensate pump.The boiler feedwater of oxygen-eliminating device divides two-way after the heater that boiler feed pump is got to kiln hood waste heat boiler heats, one the tunnel enters first drum, another road enters second drum, and the water in first drum and second drum is respectively hung oneself by natural circulation mode and arrived first drum and second drum respectively after first evaporimeter, second evaporimeter heat absorption boiling.
Though the utility model discloses as above with preferred embodiment; so it is not of the present utility model in order to limit; have in the technical field under any and know the knowledgeable usually; in not breaking away from spirit and scope of the present utility model; when can doing a little change and retouching, therefore protection domain of the present utility model is as the criterion as the claim person of defining that look claims.
Claims (6)
1, a kind of dry cement production line medium temperature and medium pressure UTILIZATION OF VESIDUAL HEAT IN TRT, comprise chamotte cooler, cement rotary kiln, kiln hood waste heat boiler, superheater, Turbo-generator Set, kiln tail preheater, kiln tail waste heat boiler, it is characterized in that: the chain-drive section of described chamotte cooler is provided with the tertiary air bleeding point, the top board middle part of described chamotte cooler is established first and is taken out exhaust outlet, described tertiary air bleeding point is connected with the air inlet of superheater through pipeline, the output channel of described superheater gas outlet is in parallel afterwards with first output channel of taking out exhaust outlet, and formed mix waste gas pipeline is connected with the air inlet of kiln hood waste heat boiler, establish first evaporimeter and heater in the described kiln hood waste heat boiler, the import of described first evaporimeter all is connected with first drum with outlet, and the interior steam of described first drum is delivered to through the first drum steam output pipe road and outputs to Turbo-generator Set after superheater heats and carry out expansion working.
2, dry cement production line medium temperature and medium pressure UTILIZATION OF VESIDUAL HEAT IN TRT according to claim 1, it is characterized in that: the air inlet of described kiln tail waste heat boiler all is connected with the exhaust emission tube road of kiln tail preheater with the gas outlet, the waste gas of described kiln tail preheater is discharged from the gas outlet of kiln tail waste heat boiler after being introduced into kiln tail waste heat boiler again, the output on the exhaust emission tube road of described kiln tail preheater is divided into three the tunnel behind high-temperature blower, one the road to raw mill, another road is to dust-precipitator, and Third Road to coal grinds.
3, dry cement production line medium temperature and medium pressure UTILIZATION OF VESIDUAL HEAT IN TRT according to claim 1, it is characterized in that: establish second evaporimeter in the described kiln tail waste heat boiler, the import of described second evaporimeter all is connected with second drum with outlet, and described second drum is connected with the first drum steam output pipe road through pipeline.
4, dry cement production line medium temperature and medium pressure UTILIZATION OF VESIDUAL HEAT IN TRT according to claim 1, it is characterized in that: the steam outlet of described Turbo-generator Set is connected with the import of condenser, the outlet of described condenser is connected with the import of condensate pump, described condensate water delivery side of pump is connected with the import of oxygen-eliminating device, the import of the heater of the outlet of described oxygen-eliminating device in boiler feed pump and kiln hood waste heat boiler is connected, the output pipe of described heater outlet is divided into two-way, one the tunnel is connected with first drum, and another road is connected with second drum.
5, dry cement production line medium temperature and medium pressure UTILIZATION OF VESIDUAL HEAT IN TRT according to claim 1, it is characterized in that: described chamotte cooler is taken out exhaust outlet near establishing second on the top board of discharge end one side, and described second output channel of taking out exhaust outlet and kiln hood waste heat boiler the be in parallel mix waste gas pipeline of back formation of the output pipe of device of giving vent to anger is connected with chimney behind deduster, blower fan respectively.
6, dry cement production line medium temperature and medium pressure UTILIZATION OF VESIDUAL HEAT IN TRT according to claim 1, it is characterized in that: the temperature of described tertiary air is in 850～950 ℃ of scopes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201377423U CN201407913Y (en) | 2009-04-21 | 2009-04-21 | Medium temperature and medium pressure residual heat utilization power generation device for dry-process cement production line |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009201377423U CN201407913Y (en) | 2009-04-21 | 2009-04-21 | Medium temperature and medium pressure residual heat utilization power generation device for dry-process cement production line |
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| CN201407913Y true CN201407913Y (en) | 2010-02-17 |
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| CN2009201377423U Expired - Fee Related CN201407913Y (en) | 2009-04-21 | 2009-04-21 | Medium temperature and medium pressure residual heat utilization power generation device for dry-process cement production line |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102393148A (en) * | 2011-11-08 | 2012-03-28 | 大连易世达新能源发展股份有限公司 | Cement kiln tail by-pass waste heat power generation device |
| CN102506588A (en) * | 2011-10-10 | 2012-06-20 | 西安陕鼓工程技术有限公司 | Cement kiln waste heat comprehensive utilization power generation system and method |
| CN102777876A (en) * | 2012-07-27 | 2012-11-14 | 江苏科技大学 | Exhaust gas waste heat steam producing system of marine diesel generating set |
| CN104481609A (en) * | 2014-10-13 | 2015-04-01 | 湖南华菱湘潭钢铁有限公司 | Blast furnace discharge yard waste heat power generation system and method |
| CN104748141A (en) * | 2010-06-25 | 2015-07-01 | 宇部兴产株式会社 | Method for utilization of exhaust gas |
| CN105021050A (en) * | 2014-04-30 | 2015-11-04 | 宝山钢铁股份有限公司 | Device and method for reducing low-temperature smoke particulate matter emission in cold procedure of sinter ring |
| CN105222601A (en) * | 2015-11-02 | 2016-01-06 | 北京建筑材料科学研究总院有限公司 | A kind of method utilizing the moisture rubbish of waste heat mummification of quality coal in cement kiln systems |
| CN108119198A (en) * | 2018-01-31 | 2018-06-05 | 福建省东锅节能科技有限公司 | The new complementary energy waste heat recovery generating system of steel plant and its method of work |
| CN110017694A (en) * | 2019-05-07 | 2019-07-16 | 周红 | A kind of residual heat from kiln furnace cascade utilization device and method |
| WO2020029041A1 (en) * | 2018-08-06 | 2020-02-13 | 江苏东九重工股份有限公司 | System for recovering waste heat from pure low temperature flue gas of cement plant |
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2009
- 2009-04-21 CN CN2009201377423U patent/CN201407913Y/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104748141B (en) * | 2010-06-25 | 2017-03-15 | 宇部兴产株式会社 | Aerofluxuss Application way |
| CN104748141A (en) * | 2010-06-25 | 2015-07-01 | 宇部兴产株式会社 | Method for utilization of exhaust gas |
| CN102506588A (en) * | 2011-10-10 | 2012-06-20 | 西安陕鼓工程技术有限公司 | Cement kiln waste heat comprehensive utilization power generation system and method |
| CN102506588B (en) * | 2011-10-10 | 2013-10-09 | 西安陕鼓工程技术有限公司 | Cement kiln waste heat comprehensive utilization power generation system and method |
| CN102393148B (en) * | 2011-11-08 | 2013-12-25 | 大连易世达新能源发展股份有限公司 | Cement kiln tail by-pass waste heat power generation device |
| CN102393148A (en) * | 2011-11-08 | 2012-03-28 | 大连易世达新能源发展股份有限公司 | Cement kiln tail by-pass waste heat power generation device |
| CN102777876A (en) * | 2012-07-27 | 2012-11-14 | 江苏科技大学 | Exhaust gas waste heat steam producing system of marine diesel generating set |
| CN105021050A (en) * | 2014-04-30 | 2015-11-04 | 宝山钢铁股份有限公司 | Device and method for reducing low-temperature smoke particulate matter emission in cold procedure of sinter ring |
| CN104481609A (en) * | 2014-10-13 | 2015-04-01 | 湖南华菱湘潭钢铁有限公司 | Blast furnace discharge yard waste heat power generation system and method |
| CN105222601A (en) * | 2015-11-02 | 2016-01-06 | 北京建筑材料科学研究总院有限公司 | A kind of method utilizing the moisture rubbish of waste heat mummification of quality coal in cement kiln systems |
| CN105222601B (en) * | 2015-11-02 | 2017-04-19 | 北京建筑材料科学研究总院有限公司 | Method for drying water-contained garbage by using afterheat of cement kiln system |
| CN108119198A (en) * | 2018-01-31 | 2018-06-05 | 福建省东锅节能科技有限公司 | The new complementary energy waste heat recovery generating system of steel plant and its method of work |
| WO2019148553A1 (en) * | 2018-01-31 | 2019-08-08 | 福建省东锅节能科技有限公司 | Novel waste energy and waste heat recovery power generation system for iron and steel plant and working method therefor |
| CN108119198B (en) * | 2018-01-31 | 2019-09-20 | 福建省东锅节能科技有限公司 | Steel plant's complementary energy waste heat recovery generating system and its working method |
| WO2020029041A1 (en) * | 2018-08-06 | 2020-02-13 | 江苏东九重工股份有限公司 | System for recovering waste heat from pure low temperature flue gas of cement plant |
| CN110017694A (en) * | 2019-05-07 | 2019-07-16 | 周红 | A kind of residual heat from kiln furnace cascade utilization device and method |
| CN110017694B (en) * | 2019-05-07 | 2024-02-13 | 周红 | Kiln waste heat cascade utilization device and method |
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| 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: 20100217 Termination date: 20150421 |
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| EXPY | Termination of patent right or utility model |