CN103256822A - Cement kiln waste heat power generation system with adjustable kiln tail exhaust gas temperature and control method - Google Patents
Cement kiln waste heat power generation system with adjustable kiln tail exhaust gas temperature and control method Download PDFInfo
- Publication number
- CN103256822A CN103256822A CN2013101997944A CN201310199794A CN103256822A CN 103256822 A CN103256822 A CN 103256822A CN 2013101997944 A CN2013101997944 A CN 2013101997944A CN 201310199794 A CN201310199794 A CN 201310199794A CN 103256822 A CN103256822 A CN 103256822A
- Authority
- CN
- China
- Prior art keywords
- valve group
- control valve
- pressure
- kiln
- kiln tail
- 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.)
- Granted
Links
Images
Classifications
-
- 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
Landscapes
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Abstract
The invention provides a cement kiln waste heat power generation system with adjustable kiln tail exhaust gas temperature and a control method, and relates to the technical field of waste heat power generation. The cement kiln waste heat power generation system aims at solving the problem that in a traditional cement production system, huge obstacles of the traditional cement production system are caused due to the fact that gas temperature for drying raw materials cannot be adjusted according to difference of the four seasons and the dry and wet degrees of the raw materials. Four adjusting valve sets and four stop valve sets are additionally arranged based on a traditional system, two adjusting valve sets are arranged between a feeding pump and a boiler at the kiln head, and another two adjusting valve sets and the four stop valve sets are arranged between a boiler at the kiln tail and the boiler at the kiln head. The cement kiln waste heat power generation system with the adjustable kiln tail exhaust gas temperature has the advantages of being simple in structure, easy to operate and capable of achieving various control modes through combination of different valves, achieves accurate control over the temperature so as to ensure that the adjustment meets requirements of the different seasons and different cement production lines of the raw materials, and will not affect utilization of waste heat of cement production really.
Description
Technical field
The present invention relates to the cogeneration technology field, especially relate to adjustable cement kiln waste-heat power generation system and the control method of a kind of kiln tail exhaust gas temperature.
Background technology
Along with the progress of human society, expanding economy, the quickening of resource consumption speed, consumed resource is also increasing.Therefore, energy-conservation is long-range strategy and policy of China's economy and social development, also is to work as very urgent task of last item.Pure low-temperature cogeneration technology is an advanced technology that effectively cuts down the consumption of energy, and in the application of cement industry, the manufacturing cost of cement production system is reduced greatly.Along with further developing of technology, the therrmodynamic system of cement producing line cogeneration technology becomes the core technology of waterpower cogeneration, and its advanced person's degree of one-tenth has directly determined pure low-temperature cogeneration technology to cut down the consumption of energy excellent lacking.
But along with the foundation of cement waste heat system, the flue-gas temperature of drying material can not satisfy that the four seasons and raw material are dried to wet into the difference of degree and regulate in the cement production system, causes the huge obstacle of cement production system.And increasing owner requires cement afterheat generation system need increase the adjustability of kiln tail exhaust gas temperature.Through the carefulness research and development of our company, invented a system finally and can guarantee that kiln tail exhaust gas temperature can carry out the range regulation about 30 degree, guarantee cement producing line in different seasons, different raw materials all can normally move.
Summary of the invention
The objective of the invention is to: the problem at prior art exists provides a kind of kiln tail exhaust gas temperature adjustable cement kiln waste-heat power generation system and control method.
Goal of the invention of the present invention is achieved through the following technical solutions:
The adjustable cement kiln waste-heat power generation system of a kind of kiln tail exhaust gas temperature, it is characterized in that, this system comprises vacuum dust cather, feed pump, the kiln hood boiler, kiln tail boiler, the first control valve group, the second control valve group, the 3rd control valve group, the 4th control valve group, the first stop valve group, the second stop valve group, the 3rd stop valve group, the 4th stop valve group, the water inlet end of described feed pump is connected with vacuum dust cather, the water side of feed pump is connected with the water inlet end of the low-temperature water heating device of kiln hood boiler by the first control valve group respectively, be connected by the water inlet end of the second control valve group with the low pressure drum of kiln hood boiler, the water side of described low-temperature water heating device is respectively by the first stop valve group, the 3rd control valve group is connected with the water inlet end of the adjustable economizer of kiln tail boiler, be connected with the high-temperature water heater's of kiln hood boiler water inlet end by the 3rd stop valve group, the water side of described adjustable economizer is connected with the water inlet end of the kiln tail drum of kiln tail boiler by the 4th stop valve group, described high-temperature water heater's water side is connected with the water inlet end of the middle pressure drum of kiln hood boiler, one end of described the 4th control valve group is connected between the 3rd control valve group and the first stop valve group, the other end of the 4th control valve group is connected with the water inlet end of kiln tail drum, one end of the described second stop valve group is connected between the 3rd control valve group and the first stop valve group, and the other end of the second stop valve group is connected with the water inlet end of middle pressure drum.
Preferably, this system also comprises steam turbine, generator, cooling tower, recirculated cooling water pump and condensate pump, pass through the low-pressure steam that produces behind the low pressure drum and all send into steam turbine through the high steam that produces separately behind kiln tail drum, the middle pressure drum respectively, thereby drive generator for electricity generation; The water pump that is condensed behind the cooling body of steam through cooling tower and recirculated cooling water pump composition by steam turbine is sent into vacuum dust cather.
Preferably, press drum, low pressure drum, high-pressure superheater, high pressure evaporator, high-temperature water heater, low-pressure superheater, low pressure evaporator and low-temperature water heating device during described kiln hood boiler comprises; The water that comes out from the second control valve group at first passes through low pressure drum, low pressure evaporator, returns then and passes through the low pressure drum again, is transported to steam turbine through low-pressure superheater then again; The water that comes out from high-temperature water heater or the second stop valve group through return again through middle pressure drum after pressing drum, high pressure evaporator, flow to steam turbine through high-pressure superheater then.
Preferably, described kiln tail boiler comprises kiln tail drum, high-pressure superheater, one group of high pressure evaporator arranged side by side and adjustable economizer, the water that the water that comes out from adjustable economizer or the 4th control valve group are come out returns again through kiln tail drum after through kiln tail drum, one group of high pressure evaporator arranged side by side, flows to steam turbine through high-pressure superheater then.
A kind of control method of cement kiln waste-heat power generation system as claimed in claim 1 is characterized in that, this method is:
In the time will controlling kiln tail exhaust gas temperature at 200 °, close the 3rd stop valve group and the 4th control valve group, open other valve groups;
In the time will controlling kiln tail exhaust gas temperature at 210 °～220 °, close the first stop valve group and the 4th control valve group, open other valve groups;
In the time will controlling kiln tail exhaust gas temperature at 230 °, close the first stop valve group, the 4th stop valve group and the 3rd control valve group, open other valve groups.
Preferably, in the time will controlling kiln tail exhaust gas temperature at 200 °, comprise also intake pressure is adjusted to 1.4Mpa that the control valve of the 3rd control valve group reaches 80%, pressure is transferred to 1.2MPa, the 3rd stop valve group and the 4th control valve group are closed, all the other valve group standard-sized sheets.
Preferably, in the time will controlling kiln tail exhaust gas temperature at 210 °, also comprise intake pressure is adjusted to 1.4Mpa, the pressure of the second control valve group is adjusted to 0.25Mpa, the control valve of the 3rd control valve group reaches 80%, pressure is transferred to 1.2MPa, the first stop valve group and the 4th control valve group are closed, all the other valve group standard-sized sheets.
Preferably, in the time will controlling kiln tail exhaust gas temperature at 220 °, also comprise intake pressure is adjusted to 1.9Mpa, the pressure of the second control valve group is adjusted to 0.25Mpa, the control valve of the 3rd control valve group reaches 70%, pressure is transferred to 1.7MPa, the first stop valve group and the 4th control valve group are closed, all the other valve group standard-sized sheets.
Preferably, in the time will controlling kiln tail exhaust gas temperature at 230 °, also comprise intake pressure is adjusted to 1.7Mpa, the pressure of the second control valve group is adjusted to 0.25Mpa, the control valve of the 4th control valve group reaches 60%, pressure is transferred to 1.6MPa, the first stop valve group, the 4th stop valve group and the 3rd control valve group are closed, other valve group standard-sized sheets.
Compared with prior art, the present invention has the following advantages:
1, native system is simple in structure, on the basis of existing system, do not need to increase complex apparatus, thereby the factory of traditional afterheat generating system has been installed, its needs carry out the control that simple modifications can realize kiln tail exhaust gas temperature, even newly-built system does not need to spend too high cost yet;
2, this electricity generation system is simple to operate, only needs the adjusting by several valve groups, just can realize the temperature control and regulation, thereby guarantees that manufacture of cement is preceding in different seasons, uses different raw materials also can normally move;
3, this electricity generation system can realize multiple control modes by different valve combination, realizes accuracy control over temperature, satisfies Various Seasonal to guarantee its adjusting, and the different material cement producing line is accomplished the real UTILIZATION OF VESIDUAL HEAT IN that does not influence manufacture of cement.
Description of drawings
Fig. 1 is system architecture schematic diagram of the present invention.
The drawing reference numeral explanation: 1 is vacuum dust cather, 2 is feed pump, 3 is the kiln hood boiler, 4 is kiln tail boiler, 5 is the first control valve group, 6 is the second control valve group, 7 is the 3rd control valve group, 8 is the 4th control valve group, 9 is the first stop valve group, 10 is the second stop valve group, 11 is the 3rd stop valve group, 12 is the 4th stop valve group, 13 is steam turbine, 14 is generator, 15 is cooling tower, 16 is the recirculated cooling water pump, 17 is condensate pump, 31 is the low-temperature water heating device of kiln hood boiler, 32 is the low pressure drum of kiln hood boiler, 33 is the high-temperature water heater of kiln hood boiler, 34 is the middle pressure drum of kiln hood boiler, 35 is high-pressure superheater, 36 is high pressure evaporator, 37 is low-pressure superheater, 38 is low pressure evaporator, 41 is the adjustable economizer of kiln tail boiler, 42 is the kiln tail drum of kiln tail boiler, 43 is high-pressure superheater, 44 and 45 is one group of high pressure evaporator arranged side by side.
?
The specific embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
Embodiment
As shown in Figure 1, the adjustable cement kiln waste-heat power generation system of kiln tail exhaust gas temperature of the present invention is to make it can satisfy Various Seasonal by increasing the adjusting of valve group under existing systems, the needs of different material cement producing line are accomplished the real UTILIZATION OF VESIDUAL HEAT IN that does not influence manufacture of cement.System of the present invention mainly comprises vacuum dust cather 1, feed pump 2, kiln hood boiler 3, kiln tail boiler 4, the first control valve group 5, the second control valve group 6, the 3rd control valve group 7, the 4th control valve group 8, the first stop valve group 9, the second stop valve group 10, the 3rd stop valve group 11, the 4th stop valve group 12.The water inlet end of feed pump 2 is connected with vacuum dust cather 1, and the water source approach of vacuum dust cather 1 has two kinds: a kind of is the cooled water of systemic circulation, and another kind is initiate boiler feedwater.The water outlet of feed pump 2 is divided into two kinds of trends, thereby the water side of feed pump 2 both was connected with the water inlet end of the low-temperature water heating device 31 of kiln hood boiler by the first control valve group 5, and the while passes through the second control valve group 6 again and is connected with the water inlet end of the low pressure drum 32 of kiln hood boiler.The water outlet of low-temperature water heating device 31 also is divided into two kinds of trends, thereby the first stop valve group 9 has both been passed through in the water side of low-temperature water heating device 31, the 3rd control valve group 7 was connected with the water inlet end of the adjustable economizer 41 of kiln tail boiler, is connected with the high-temperature water heater's 33 of kiln hood boiler water inlet end by the 3rd stop valve group 11 again simultaneously.The water side of adjustable economizer 41 is connected with the water inlet end of the kiln tail drum 42 of kiln tail boiler by the 4th stop valve group 12.High-temperature water heater 33 water side is connected with the water inlet end of the middle pressure drum 34 of kiln hood boiler.One end of the 4th control valve group 8 is connected between the 3rd control valve group 7 and the first stop valve group 9, and the other end of the 4th control valve group 8 is connected with the water inlet end of kiln tail drum 42.One end of the second stop valve group 10 is connected between the 3rd control valve group 7 and the first stop valve group 9, and the other end of the second stop valve group 10 is connected with the water inlet end of middle pressure drum 34.
In addition, this system also comprises steam turbine 13, generator 14, cooling tower 15, recirculated cooling water pump 16 and condensate pump 17.The low-pressure steam that produces through low pressure drum 32 backs and all send into steam turbine 13 through the high steam that produces separately behind kiln tail drum 42, the middle pressure drum 34 respectively generates electricity thereby drive generator 14; The water pump 17 that is condensed behind the cooling body of steam through cooling tower 15 and recirculated cooling water pump 16 compositions by steam turbine 13 is sent into vacuum dust cather 1.
In order to reach optimum effect, during comprising, the structure of kiln hood boiler 3 of the present invention presses drum 34, low pressure drum 32, high-pressure superheater 35, high pressure evaporator 36, high-temperature water heater 33, low-pressure superheater 37, low pressure evaporator 38 and low-temperature water heating device 31.The water that comes out from the second control valve group 6 at first passes through low pressure drum 32, low pressure evaporator 38, returns then and passes through low pressure drum 32 again, is transported to steam turbine 13 through low-pressure superheater 37 then again; The water that comes out from high-temperature water heater 33 or the second stop valve group 10 through return again through middle pressure drum 34 after pressing drum 34, high pressure evaporator 36, flow to steam turbine 13 through high-pressure superheater 35 then.
Equally in order to reach optimum effect, the structure of kiln tail boiler 4 of the present invention comprises kiln tail drum 42, high-pressure superheater 43, one group of high pressure evaporator arranged side by side 44,45 and adjustable economizer 41, the water that the water that comes out from adjustable economizer 41 or the 4th control valve group 8 are come out returns again through kiln tail drum 42 after through kiln tail drum 42, one group of high pressure evaporator arranged side by side 44,45, flows to steam turbine 13 through high-pressure superheater 43 then.
When using system of the present invention to control:
1, connects feed pump 2 behind the vacuum dust cather 1, intake pressure is adjusted to 1.4Mpa, enter low-temperature water heating device 31 and low pressure drum 32, the first control valve groups 5 process low-temperature water heating devices 31 back connections first stop valve group 9 respectively by the standard-sized sheet first control valve group 5 and the second control valve group 6 again.At this moment, close the 3rd stop valve group 7 and the 4th control valve group 8, like this water through the first stop valve group 9 after, part water enters the middle pressure drum 34 of kiln hood boiler through the second stop valve group 10, another part water reaches about 80% through the 3rd control valve group 7(control valve, pressure is transferred to 1.2MPa and is guaranteed that 13.5t/h hot water enters) adjustable economizer 41,, enter kiln tail drum 42 after the 4th stop valve group 12, thereby realize the control of kiln tail exhaust gas temperature at 200 degrees centigrade, the system of this moment generally is used in when using dry raw material season in summer.
2, connect feed pump 2 behind the vacuum dust cather 1, intake pressure is adjusted to 1.4Mpa, be adjusted to 0.25Mpa by the standard-sized sheet first control valve group 5 and the second control valve group 6(pressure again) enter low-temperature water heating device 31 and low pressure drum 32, the first control valve groups 5 respectively and connect the first stop valve groups 9 through low-temperature water heating devices 31 backs.At this moment, close the first stop valve group 9 and the 4th control valve group 8, like this water through the 3rd stop valve group 11 after, pass through high-temperature water heater 33 again, a part of water enters the middle pressure drum 34 of kiln hood boiler then, another part water is through the second stop valve group 10, the 3rd control valve group 7(control valve reaches about 80%, pressure is transferred to 1.2MPa and is guaranteed 14.1t/h), enter adjustable economizer 41, enter kiln tail drum 42 through the 4th stop valve group 12 then again, thereby realize the control of kiln tail exhaust gas temperature at 210 degrees centigrade, the system of this moment generally is used for dry winter, moistening summer, general autumn, during the raw material in spring.
3, connect feed pump 2 behind the vacuum dust cather 1, intake pressure is adjusted to 1.9Mpa, be adjusted to 0.25Mpa by the standard-sized sheet first control valve group 5 and the second control valve group 6(pressure again) enter low-temperature water heating device 31 and low pressure drum 32, the first control valve groups 5 respectively and connect the first stop valve groups 9 through low-temperature water heating devices 31 backs.At this moment, close the first stop valve group 9 and the 4th control valve group 8, like this water through the 3rd stop valve group 11 after, pass through high-temperature water heater 33 again, a part of water enters the middle pressure drum 34 of kiln hood boiler then, another part water is through the second stop valve group 10, the 3rd control valve group 7(control valve reaches about 70%, pressure is transferred to 1.7MPa and is guaranteed 12.8t/h) enter adjustable economizer 41, enter kiln tail drum 42 through the 4th stop valve group 12 then again, thereby realize the control of kiln tail exhaust gas temperature at 220 degrees centigrade, the system of this moment generally is used for dry winter, moistening summer, general autumn, during the raw material in spring.
4, connect feed pump 2 behind the vacuum dust cather 1, intake pressure is adjusted to 1.7Mpa, the logical standard-sized sheet first control valve group 5 and the second control valve group 6(pressure are adjusted to 0.25Mpa again) enter low-temperature water heating device 31 respectively and low pressure drum 32, the first control valve groups 5 connect the first stop valve groups 9 through low-temperature water heating devices 31 backs.At this moment, close the first stop valve group 9, the 4th stop valve group 12 and the 3rd control valve group 7, like this water through the 3rd stop valve group 11 after, pass through high-temperature water heater 33 again, a part of water enters the middle pressure drum 34 of kiln hood boiler then, another part water reaches about 60% through the second stop valve group 10, the 4th control valve group 8(control valve, pressure is transferred to 1.6MPa and is guaranteed 11.6t/h) after directly enter kiln tail drum 42, thereby realize that the control of kiln tail exhaust gas temperature is at 230 degrees centigrade, when this system generally is used for the raw material in moistening winter.
When controlling kiln tail exhaust gas temperature between 210 °～220 ° the time, also be to close the first stop valve group and the 4th control valve group, open other valve groups, and only need suitably adjust and can realize each valve group aperture, pressure.
It is the test data table that uses system of the present invention at Guizhou XX cement producing line in the following form
From form as seen, can transfer to 230 degrees centigrade to kiln end temperature from 200 degrees centigrade by this system, guarantee that the four seasons of cement producing line are normally moved.
The above only is preferred embodiment of the present invention, not in order to limit the present invention, should be pointed out that all any modifications of doing within the spirit and principles in the present invention, is equal to replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. adjustable cement kiln waste-heat power generation system of kiln tail exhaust gas temperature, it is characterized in that, this system comprises vacuum dust cather, feed pump, the kiln hood boiler, kiln tail boiler, the first control valve group, the second control valve group, the 3rd control valve group, the 4th control valve group, the first stop valve group, the second stop valve group, the 3rd stop valve group, the 4th stop valve group, the water inlet end of described feed pump is connected with vacuum dust cather, the water side of feed pump is connected with the water inlet end of the low-temperature water heating device of kiln hood boiler by the first control valve group respectively, be connected by the water inlet end of the second control valve group with the low pressure drum of kiln hood boiler, the water side of described low-temperature water heating device is respectively by the first stop valve group, the 3rd control valve group is connected with the water inlet end of the adjustable economizer of kiln tail boiler, be connected with the high-temperature water heater's of kiln hood boiler water inlet end by the 3rd stop valve group, the water side of described adjustable economizer is connected with the water inlet end of the kiln tail drum of kiln tail boiler by the 4th stop valve group, described high-temperature water heater's water side is connected with the water inlet end of the middle pressure drum of kiln hood boiler, one end of described the 4th control valve group is connected between the 3rd control valve group and the first stop valve group, the other end of the 4th control valve group is connected with the water inlet end of kiln tail drum, one end of the described second stop valve group is connected between the 3rd control valve group and the first stop valve group, and the other end of the second stop valve group is connected with the water inlet end of middle pressure drum.
2. the adjustable cement kiln waste-heat power generation system of a kind of kiln tail exhaust gas temperature according to claim 1, it is characterized in that, this system also comprises steam turbine, generator, cooling tower, recirculated cooling water pump and condensate pump, pass through the low-pressure steam that produces behind the low pressure drum and all send into steam turbine through the high steam that produces separately behind kiln tail drum, the middle pressure drum respectively, thereby drive generator for electricity generation; The water pump that is condensed behind the cooling body of steam through cooling tower and recirculated cooling water pump composition by steam turbine is sent into vacuum dust cather.
3. the adjustable cement kiln waste-heat power generation system of a kind of kiln tail exhaust gas temperature according to claim 1, it is characterized in that, press drum, low pressure drum, high-pressure superheater, high pressure evaporator, high-temperature water heater, low-pressure superheater, low pressure evaporator and low-temperature water heating device during described kiln hood boiler comprises; The water that comes out from the second control valve group at first passes through low pressure drum, low pressure evaporator, returns then and passes through the low pressure drum again, is transported to steam turbine through low-pressure superheater then again; The water that comes out from high-temperature water heater or the second stop valve group through return again through middle pressure drum after pressing drum, high pressure evaporator, flow to steam turbine through high-pressure superheater then.
4. the adjustable cement kiln waste-heat power generation system of a kind of kiln tail exhaust gas temperature according to claim 1, it is characterized in that, described kiln tail boiler comprises kiln tail drum, high-pressure superheater, one group of high pressure evaporator arranged side by side and adjustable economizer, the water that the water that comes out from adjustable economizer or the 4th control valve group are come out returns again through kiln tail drum after through kiln tail drum, one group of high pressure evaporator arranged side by side, flows to steam turbine through high-pressure superheater then.
5. the control method of a cement kiln waste-heat power generation system as claimed in claim 1 is characterized in that, this method is:
In the time will controlling kiln tail exhaust gas temperature at 200 °, close the 3rd stop valve group and the 4th control valve group, open other valve groups;
In the time will controlling kiln tail exhaust gas temperature at 210 °～220 °, close the first stop valve group and the 4th control valve group, open other valve groups;
In the time will controlling kiln tail exhaust gas temperature at 230 °, close the first stop valve group, the 4th stop valve group and the 3rd control valve group, open other valve groups.
6. the control method of a kind of cement kiln waste-heat power generation system according to claim 5, it is characterized in that, in the time will controlling kiln tail exhaust gas temperature at 200 °, also comprise intake pressure is adjusted to 1.4Mpa, the control valve of the 3rd control valve group reaches 80%, pressure is transferred to 1.2MPa, the 3rd stop valve group and the 4th control valve group are closed, all the other valve group standard-sized sheets.
7. the control method of a kind of cement kiln waste-heat power generation system according to claim 5, it is characterized in that, in the time will controlling kiln tail exhaust gas temperature at 210 °, also comprise intake pressure is adjusted to 1.4Mpa, the pressure of the second control valve group is adjusted to 0.25Mpa, the control valve of the 3rd control valve group reaches 80%, pressure is transferred to 1.2MPa, and the first stop valve group and the 4th control valve group are closed, all the other valve group standard-sized sheets.
8. the control method of a kind of cement kiln waste-heat power generation system according to claim 5, it is characterized in that, in the time will controlling kiln tail exhaust gas temperature at 220 °, also comprise intake pressure is adjusted to 1.9Mpa, the pressure of the second control valve group is adjusted to 0.25Mpa, the control valve of the 3rd control valve group reaches 70%, pressure is transferred to 1.7MPa, and the first stop valve group and the 4th control valve group are closed, all the other valve group standard-sized sheets.
9. the control method of a kind of cement kiln waste-heat power generation system according to claim 5, it is characterized in that, in the time will controlling kiln tail exhaust gas temperature at 230 °, also comprise intake pressure is adjusted to 1.7Mpa, the pressure of the second control valve group is adjusted to 0.25Mpa, the control valve of the 4th control valve group reaches 60%, pressure is transferred to 1.6MPa, and the first stop valve group, the 4th stop valve group and the 3rd control valve group are closed, other valve group standard-sized sheets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310199794.4A CN103256822B (en) | 2013-05-27 | 2013-05-27 | Cement kiln waste heat power generation system with adjustable kiln tail exhaust gas temperature and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310199794.4A CN103256822B (en) | 2013-05-27 | 2013-05-27 | Cement kiln waste heat power generation system with adjustable kiln tail exhaust gas temperature and control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103256822A true CN103256822A (en) | 2013-08-21 |
| CN103256822B CN103256822B (en) | 2014-09-17 |
Family
ID=48960906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310199794.4A Active CN103256822B (en) | 2013-05-27 | 2013-05-27 | Cement kiln waste heat power generation system with adjustable kiln tail exhaust gas temperature and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103256822B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953597A (en) * | 2016-05-05 | 2016-09-21 | 胡柳新 | Kiln tail temperature transformation method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6383283B1 (en) * | 1997-12-02 | 2002-05-07 | Cement Petcoptimizer Company | Control of cement clinker production by analysis of sulfur in the end product |
| CN101013002A (en) * | 2006-12-31 | 2007-08-08 | 北京市琉璃河水泥有限公司 | Residual heat generating system used for new type nonaqueous cement production line |
| 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 |
| CN101871732A (en) * | 2010-06-30 | 2010-10-27 | 成都四通科技投资有限公司 | Single-pressure recovery generating system of waste heat of dry method cement production line |
| CN101949651A (en) * | 2010-10-20 | 2011-01-19 | 成都四通新能源技术有限公司 | Afterheat double-voltage recovery and generation system of dry cement production line |
| CN201892433U (en) * | 2010-09-07 | 2011-07-06 | 北京世纪源博科技有限责任公司 | Cement kiln end exhaust heat utilization system |
| 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 |
| CN203385299U (en) * | 2013-05-27 | 2014-01-08 | 四川川润动力设备有限公司 | Kiln tail exhaust gas temperature-adjustable cement kiln waste heat power generation system |
-
2013
- 2013-05-27 CN CN201310199794.4A patent/CN103256822B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6383283B1 (en) * | 1997-12-02 | 2002-05-07 | Cement Petcoptimizer Company | Control of cement clinker production by analysis of sulfur in the end product |
| CN101013002A (en) * | 2006-12-31 | 2007-08-08 | 北京市琉璃河水泥有限公司 | Residual heat generating system used for new type nonaqueous cement production line |
| 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 |
| CN101871732A (en) * | 2010-06-30 | 2010-10-27 | 成都四通科技投资有限公司 | Single-pressure recovery generating system of waste heat of dry method cement production line |
| CN201892433U (en) * | 2010-09-07 | 2011-07-06 | 北京世纪源博科技有限责任公司 | Cement kiln end exhaust heat utilization system |
| CN101949651A (en) * | 2010-10-20 | 2011-01-19 | 成都四通新能源技术有限公司 | Afterheat double-voltage recovery and generation system of dry cement production line |
| 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 |
| CN203385299U (en) * | 2013-05-27 | 2014-01-08 | 四川川润动力设备有限公司 | Kiln tail exhaust gas temperature-adjustable cement kiln waste heat power generation system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953597A (en) * | 2016-05-05 | 2016-09-21 | 胡柳新 | Kiln tail temperature transformation method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103256822B (en) | 2014-09-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105697075A (en) | Extraction condensing heat supply system additionally provided with non-reheat medium-pressure steam turbine | |
| CN203385299U (en) | Kiln tail exhaust gas temperature-adjustable cement kiln waste heat power generation system | |
| CN108194156A (en) | A kind of zero output heating system of low pressure (LP) cylinder and method of no cooling steam bypass | |
| CN107702086B (en) | Peak regulating system and method for storing heat by using molten salt | |
| CN105953566B (en) | A kind of heat pump auxiliary type drying system and method | |
| CN106949445B (en) | Fused salt heat storage type peak regulation system and method for coal-fired power generating unit | |
| CN103256822B (en) | Cement kiln waste heat power generation system with adjustable kiln tail exhaust gas temperature and control method | |
| CN103644032A (en) | System for heating natural gas through gradient utilization of water supplied at medium pressure from waste heat boiler of gas turbine power plant | |
| CN203704603U (en) | Mechanical vapor recompression based drying device | |
| CN203718744U (en) | Flue gas waste heat recovery exhaust gas temperature control system | |
| CN103302903B (en) | Secondary steam utilizing system | |
| CN205245702U (en) | Solar energy steam drying system based on energy storage heat transfer function slot type heat collector | |
| CN110700909B (en) | Internet surfing electric load adjusting system and adjusting method for heating Ji Re cogeneration unit | |
| CN203489341U (en) | Superlarge temperature difference heat supply network waste heat heating system combined with low-vacuum injection type heat pump | |
| CN203756246U (en) | Novel auxiliary machine cooling water system used for indirect air cooling unit | |
| CN207033511U (en) | A kind of coal unit is provided multiple forms of energy to complement each other control system | |
| CN204227926U (en) | A kind of converter waste heat generating system | |
| CN203489248U (en) | Thermal power plant boiler flue gas waste heat energy-saving system | |
| CN203431900U (en) | Smoke cooling and air heating device of power station boiler | |
| CN113417704A (en) | Combined heating system based on zero output of low-pressure cylinder | |
| CN103527269B (en) | Steam-turbine combined intermediate reheating quasi-Carnot-cycle thermal power generation system | |
| CN111120026A (en) | Mechanical furnace deep coupling thermodynamic system of thermal power generating unit | |
| CN203317807U (en) | Secondary steam utilization system | |
| CN105888739B (en) | A kind of novel high back pressure co-generation unit | |
| CN207647559U (en) | A kind of zero output heating system of low pressure (LP) cylinder of no cooling steam bypass |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |