CN105066717A - Pure low-temperature afterheat power generation system of cement pit - Google Patents
Pure low-temperature afterheat power generation system of cement pit Download PDFInfo
- Publication number
- CN105066717A CN105066717A CN201510504128.6A CN201510504128A CN105066717A CN 105066717 A CN105066717 A CN 105066717A CN 201510504128 A CN201510504128 A CN 201510504128A CN 105066717 A CN105066717 A CN 105066717A
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- China
- Prior art keywords
- connects
- stove
- flash vessel
- cooler
- cement kiln
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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
-
- 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
Abstract
The invention discloses a pure low-temperature afterheat power generation system of a cement pit. The system comprises an AQC furnace, a dust remover, a second flash tank, a first flash tank, an SP furnace, a high-temperature superheater, a turbine, a generator, a condenser, a condensation water pump, a deaerator, a water feeding pump, a preheater, a cement pit, a cooler, a fan and an air absorber, wherein the cooler is arranged at the head part of the cement pit; an air outlet of the cooler is connected with an air inlet of the AQC furnace; the tail part of the cement pit is connected with the preheater; an air outlet of the preheater is connected with an air inlet of the SP furnace; an air outlet of the AQC furnace is connected with the first flash tank; the first flash tank and an air outlet of the SP furnace are connected with the high-temperature superheater; a water outlet of the first flash tank is connected with the second flash tank; a water outlet of the second flash tank is connected with the SP furnace; the high-temperature superheater is connected with the turbine; and the turbine is connected with the generator through a coupling. The pure low-temperature afterheat power generation system of the cement pit is simple in structure, can fully use low temperature of the cement pit for generating electricity, reduces the cement production energy consumption, and is environment-friendly.
Description
Technical field
The present invention relates to electricity generation system, be specially a kind of cement kiln pure low-temperature cogeneration system.
Technical background
Cement manufacturing industry is high energy consumption industry, and the expenditure of energy expenditure occupies very large proportion in its production cost, so people are seeking reduce the mode of production of energy consumption and reclaim the way of the energy always.Current common practice is the cogeneration adopting electricity generation system to utilize preheater and cooler discharge in cement burning process.But it is insufficient that existing cement kiln low-temperature generating system also exists heat energy utilization, and the phenomenon of a lot of dust appears in power generation site.
Summary of the invention
The object of the present invention is to provide a kind of cement kiln pure low-temperature cogeneration system, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme: a kind of cement kiln pure low-temperature cogeneration system, comprise AQC stove, deduster, second flash vessel, first flash vessel, SP stove, high temperature superheater, steam turbine, generator, condenser, condensate pump, oxygen-eliminating device, feed pump, preheater, cement kiln, cooler, blower fan and lift pump, described cooler is located at the stem of cement kiln, the gas outlet of cooler connects the air inlet of AQC stove, the afterbody of described cement kiln connects preheater, the gas outlet of preheater connects the air inlet of SP stove, the gas outlet of described AQC stove connects the first flash vessel, first flash vessel is connected high temperature superheater with the gas outlet of SP stove, the delivery port of the first flash vessel connects the second flash vessel, the delivery port of the second flash vessel connects SP stove, described high temperature superheater connects steam turbine, steam turbine connects generator by shaft coupling.
Preferably, front end and the upper end, middle part of described cooler are provided with multiple suction opeing, and the blast pipe that suction opeing is corresponding is connected with lift pump.
Preferably, the lower end of described cooler is provided with multiple blower fan.
Preferably, the discharge outlet of described steamer device connects the water inlet of AQC stove, and connecting line is provided with condenser, condensate pump, oxygen-eliminating device and feed pump successively.
Compared with prior art, the invention has the beneficial effects as follows: this cement kiln pure low-temperature cogeneration system, structure is simple, can make full use of cement kiln low-temperature electricity-generating, reduce cement production consumption, and environmental protection.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
In figure: 1AQC stove, 2 dedusters, 3 second flash vessels, 4 first flash vessels, 5SP stove, 6 high temperature superheaters, 7 steam turbines, 8 generators, 9 condensers, 10 condensate pumps, 11 oxygen-eliminating devices, 12 feed pumps, 13 preheaters, 14 cement kilns, 15 coolers, 16 blower fans, 17 lift pumps.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, the invention provides a kind of technical scheme: a kind of cement kiln pure low-temperature cogeneration system, comprise AQC stove 1, deduster 2, second flash vessel 3, first flash vessel 4, SP stove 5, high temperature superheater 6, steam turbine 7, generator 8, condenser 9, condensate pump 10, oxygen-eliminating device 11, feed pump 12, preheater 13, cement kiln 14, cooler 15, blower fan 16 and lift pump 17, described cooler 15 is located at the stem of cement kiln 14, the gas outlet of cooler 15 connects the air inlet of AQC stove 1, front end and the upper end, middle part of cooler 15 are provided with multiple suction opeing, the blast pipe that suction opeing is corresponding is connected with lift pump 17, lift pump 17 by the heat in cooler 15 discharged in AQC stove 1, and the discharge duct between AQC stove 1 and cooler 15 is provided with deduster 2, for removing the dust in air, ensure the environment of power generation site, the afterbody of described cement kiln 14 connects preheater 13, the gas outlet of preheater 13 connects the air inlet of SP stove 5, heat energy in preheater 13 enters in SP stove 5 by exhaust outlet, the gas outlet of described AQC stove 1 connects the first flash vessel 4, first flash vessel 4 is connected high temperature superheater 6 with the gas outlet of SP stove 5, the delivery port of the first flash vessel 4 connects the second flash vessel 3, the delivery port of the second flash vessel 3 connects SP stove 5, the air-water mixture that AQC stove 1 produces enters in the first flash vessel 4 by exhaust outlet, and enter in high temperature superheater 6 through the first flash vessel 4, water in first flash vessel 4 is discharged to the second flash vessel 3, and arrange in SP stove 5 through delivery port, air-water mixture in SP stove 5 enters in high temperature superheater 6 by exhaust outlet, described high temperature superheater 6 connects steam turbine 7, steam turbine 7 connects generator 8 by shaft coupling, steam water interface in high temperature superheater 6 drives steam turbine 7 after entering steam turbine 7, and then drive electrical generators 8 generates electricity, the discharge outlet of steam turbine 7 connects the water inlet of AQC stove 1, connecting line is provided with condenser 9 successively, condensate pump 10, oxygen-eliminating device 11 and feed pump 12, the exhaust steam that steam turbine 7 produces is condensed into water through condenser 9, and through condensate pump 10 discharged in oxygen-eliminating device 11, again arrange in AQC stove 1 through feed pump 12 after removing oxygen, this cement kiln pure low-temperature cogeneration system, structure is simple, cement kiln low-temperature electricity-generating can be made full use of, reduce cement production consumption, and environmental protection.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this description is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should by description integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (4)
1. a cement kiln pure low-temperature cogeneration system, comprises AQC stove (1), deduster (2), second flash vessel (3), first flash vessel (4), SP stove (5), high temperature superheater (6), steam turbine (7), generator (8), condenser (9), condensate pump (10), oxygen-eliminating device (11), feed pump (12), preheater (13), cement kiln (14), cooler (15), blower fan (16) and lift pump (17), it is characterized in that: described cooler (15) is located at the stem of cement kiln (14), the gas outlet of cooler (15) connects the air inlet of AQC stove (1), the afterbody of described cement kiln (14) connects preheater (13), the gas outlet of preheater (13) connects the air inlet of SP stove (5), the gas outlet of described AQC stove (1) connects the first flash vessel (4), first flash vessel (4) is connected high temperature superheater (6) with the gas outlet of SP stove (5), the delivery port of the first flash vessel (4) connects the second flash vessel (3), the delivery port of the second flash vessel (3) connects SP stove (5), described high temperature superheater (6) connects steam turbine (7), steam turbine (7) connects generator (8) by shaft coupling.
2. a kind of cement kiln pure low-temperature cogeneration system according to claim 1, it is characterized in that: front end and the upper end, middle part of described cooler (15) are provided with multiple suction opeing, the blast pipe that suction opeing is corresponding are connected with lift pump (17).
3. a kind of cement kiln pure low-temperature cogeneration system according to claim 1, is characterized in that: the lower end of described cooler (15) is provided with multiple blower fan (16).
4. a kind of cement kiln pure low-temperature cogeneration system according to claim 1, it is characterized in that: the discharge outlet of described steamer device (7) connects the water inlet of AQC stove (1), and connecting line is provided with condenser (9), condensate pump (10), oxygen-eliminating device (11) and feed pump (12) successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510504128.6A CN105066717B (en) | 2015-08-17 | 2015-08-17 | Pure low-temperature afterheat power generation system of cement pit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510504128.6A CN105066717B (en) | 2015-08-17 | 2015-08-17 | Pure low-temperature afterheat power generation system of cement pit |
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| CN105066717A true CN105066717A (en) | 2015-11-18 |
| CN105066717B CN105066717B (en) | 2017-05-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105429346A (en) * | 2015-12-14 | 2016-03-23 | 重庆市科诚电机制造有限公司 | Explosion-proof and dustproof motor |
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| GB9622403D0 (en) * | 1995-11-17 | 1997-01-08 | Stankovic Branko | Closed combined cycle with high-temperature exhaust gas |
| CN1601214A (en) * | 2004-09-30 | 2005-03-30 | 中信重型机械公司 | Generating set system of simple low temperature waste heat from large size cement manufacture line in dry method, and technical process |
| CN1635324A (en) * | 2004-06-21 | 2005-07-06 | 孙义燊 | Power generation system and method utilizing exhaust gas waste heat from cement predecomposition kiln |
| CN101793467A (en) * | 2010-02-10 | 2010-08-04 | 洛阳水泥工程设计研究院有限公司 | Pure medium-low temperature waste heat generating system in cement kiln |
| CN201706902U (en) * | 2010-06-30 | 2011-01-12 | 成都四通新能源技术有限公司 | Waste heat single-pressure recovery power generating system of dry method cement production line |
| CN202350550U (en) * | 2011-11-08 | 2012-07-25 | 大连易世达新能源发展股份有限公司 | Waste heat power generating device with by-pass at tail of cement kiln |
| CN104390472A (en) * | 2014-09-26 | 2015-03-04 | 上海激光电源设备有限责任公司 | Tempering method and tempering device for electrically dedusting smoke by adopting low-temperature waste heat boiler |
| CN204923920U (en) * | 2015-08-17 | 2015-12-30 | 中能世华(北京)节能科技有限公司 | Pure low temperature waste heat power generation system in cement cellar for storing things |
-
2015
- 2015-08-17 CN CN201510504128.6A patent/CN105066717B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9622403D0 (en) * | 1995-11-17 | 1997-01-08 | Stankovic Branko | Closed combined cycle with high-temperature exhaust gas |
| CN1635324A (en) * | 2004-06-21 | 2005-07-06 | 孙义燊 | Power generation system and method utilizing exhaust gas waste heat from cement predecomposition kiln |
| CN1601214A (en) * | 2004-09-30 | 2005-03-30 | 中信重型机械公司 | Generating set system of simple low temperature waste heat from large size cement manufacture line in dry method, and technical process |
| CN101793467A (en) * | 2010-02-10 | 2010-08-04 | 洛阳水泥工程设计研究院有限公司 | Pure medium-low temperature waste heat generating system in cement kiln |
| CN201706902U (en) * | 2010-06-30 | 2011-01-12 | 成都四通新能源技术有限公司 | Waste heat single-pressure recovery power generating system of dry method cement production line |
| CN202350550U (en) * | 2011-11-08 | 2012-07-25 | 大连易世达新能源发展股份有限公司 | Waste heat power generating device with by-pass at tail of cement kiln |
| CN104390472A (en) * | 2014-09-26 | 2015-03-04 | 上海激光电源设备有限责任公司 | Tempering method and tempering device for electrically dedusting smoke by adopting low-temperature waste heat boiler |
| CN204923920U (en) * | 2015-08-17 | 2015-12-30 | 中能世华(北京)节能科技有限公司 | Pure low temperature waste heat power generation system in cement cellar for storing things |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105429346A (en) * | 2015-12-14 | 2016-03-23 | 重庆市科诚电机制造有限公司 | Explosion-proof and dustproof motor |
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| CN105066717B (en) | 2017-05-03 |
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Effective date of registration: 20170321 Address after: 100176 Beijing economic and Technological Development Zone Ronghua Road No. 7, building 4, 3040 Applicant after: Beijing CIIC Information Technology Co., Ltd. Address before: Branch of Beijing economic and Technological Development Zone 13 100176 street Beijing City Hospital No. 18 Building No. 26 room 311 Applicant before: Magnificent (Beijing) the energy-conservation Science and Technology Ltd. of middle energy generation |
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Inventor after: Chen Yunzhu Inventor before: Chen Jianghua |
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