CN204436487U - A kind of low temperature exhaust heat efficient system for reclaiming - Google Patents
A kind of low temperature exhaust heat efficient system for reclaiming Download PDFInfo
- Publication number
- CN204436487U CN204436487U CN201520045665.4U CN201520045665U CN204436487U CN 204436487 U CN204436487 U CN 204436487U CN 201520045665 U CN201520045665 U CN 201520045665U CN 204436487 U CN204436487 U CN 204436487U
- Authority
- CN
- China
- Prior art keywords
- exhaust heat
- orc
- heat boiler
- communicated
- vaporizer
- 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.)
- Active
Links
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
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The utility model relates to a kind of low temperature exhaust heat efficient system for reclaiming, belongs to low temperature exhaust heat reclaiming system technical field.Technological scheme is: the AQC superheater (4) in exhaust heat boiler unit is communicated with extrqaction condendsing turbine turbine generator (8) with the steam (vapor) outlet of PH superheater (6), and the steam (vapor) outlet of extrqaction condendsing turbine turbine generator (8) is communicated with the economizer (2) in exhaust heat boiler unit by condenser (9); Economizer (2) in exhaust heat boiler unit is communicated with ORC vaporizer (11), the steam (vapor) outlet of ORC vaporizer (11) is communicated with ORC generator (13), the low-temperature water heating outlet of ORC vaporizer (11) is communicated with the economizer (2) in exhaust heat boiler unit, and the steam (vapor) outlet of ORC generator (13) is communicated with ORC vaporizer (11) by ORC condenser (12).The beneficial effects of the utility model are: effectively can reduce callable residual heat resources temperature value, improve heat recovery efficiency.
Description
Technical field
The utility model relates to a kind of low temperature exhaust heat efficient system for reclaiming, especially cement industry low temperature exhaust heat high efficiente callback power generation system, belongs to low temperature exhaust heat reclaiming system equipment technical field.
Background technique
At present, cement plant low-temperature cogeneration technology scheme kind is more, and compound flash evaporation power generation technology can utilize low grade residual heat resource to produce low-pressure saturated steam with it, and then increases the feature of cogeneration power, is widely used.The effect of the flash vessel in compound flash evaporation power generation technology utilizes reducing pressure by regulating flow principle, produces low pressure saturated vapor.Low pressure steam can only generate electricity as the filling of steam turbine generator, low pressure steam is compared with high pressure main steam, generating efficiency is lower, simultaneously, the production of low pressure steam affects comparatively large by hot water temperature, if think the flue-gas temperature value reducing cement kiln boiler export further, will certainly reduce outlet hot water's temperature value of economizer, and then reduce the hot water temperature's value entering flash vessel, reduce the effect of flash vessel.
Organic Rankine cycle power generation system can be called for short ORC system, is the power generation system utilizing lower boiling organic working medium to realize low temperature exhaust heat recycling.Organic Rankine bottoming cycle generation technology effectively can reclaim the cryogenic waste heat resource of less than 200 DEG C, but the reuse efficiency of waste heat is low.
Model utility content
The utility model object is to provide a kind of low temperature exhaust heat efficient system for reclaiming, effectively improves the reuse efficiency of waste heat, solves Problems existing in background technique.
The technical solution of the utility model is:
A kind of low temperature exhaust heat efficient system for reclaiming, comprises exhaust heat boiler unit, high pressure steam generator unit and organic Rankine bottoming cycle generator unit;
Described exhaust heat boiler unit comprises AQC exhaust heat boiler and PH exhaust heat boiler, described AQC exhaust heat boiler inside comprises the economizer, AQC vaporizer and the AQC superheater that are communicated with successively, described PH exhaust heat boiler inside comprises the PH vaporizer and PH superheater that are communicated with successively, and the economizer in AQC exhaust heat boiler is communicated with the PH vaporizer in PH exhaust heat boiler;
Described high pressure steam generator unit comprises extrqaction condendsing turbine turbine generator and condenser, AQC superheater in exhaust heat boiler unit is communicated with extrqaction condendsing turbine turbine generator with the steam (vapor) outlet of PH superheater, and the steam (vapor) outlet of extrqaction condendsing turbine turbine generator is communicated with the economizer in exhaust heat boiler unit by condenser;
Described organic Rankine bottoming cycle generator unit comprises ORC vaporizer, ORC condenser and ORC generator, economizer in exhaust heat boiler unit is communicated with ORC vaporizer, the steam (vapor) outlet of ORC vaporizer is communicated with ORC generator, the low-temperature water heating outlet of ORC vaporizer is communicated with the economizer in exhaust heat boiler unit, and the steam (vapor) outlet of ORC generator is communicated with ORC vaporizer by ORC condenser.
ORC generator in described organic Rankine bottoming cycle generator unit is high-speed magnetic levitation permanent-magnet synchronous turbogenerator.
The high-temperature liquid state hot water that economizer in exhaust heat boiler unit flows out will be divided into multichannel, and a road flows to AQC vaporizer in exhaust heat boiler unit and PH vaporizer, and a road flows to the ORC vaporizer in organic Rankine bottoming cycle generator unit.
The beneficial effects of the utility model are: effectively can reduce callable residual heat resources temperature value, improve heat recovery efficiency.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
In figure: AQC exhaust heat boiler 1, economizer 2, AQC vaporizer 3, AQC superheater 4, PH exhaust heat boiler 5, PH superheater 6, PH vaporizer 7, extrqaction condendsing turbine turbine generator 8, condenser 9, cooling tower 10, ORC vaporizer 11, ORC condenser 12, ORC generator 13, magnetic drive working medium pump 14.
Embodiment
Below in conjunction with accompanying drawing, by example, the utility model is described in further detail.
A kind of low temperature exhaust heat efficient system for reclaiming, comprises exhaust heat boiler unit, high pressure steam generator unit and organic Rankine bottoming cycle generator unit;
Described exhaust heat boiler unit comprises AQC exhaust heat boiler 1 and PH exhaust heat boiler 5, described AQC exhaust heat boiler 1 inside comprises the economizer 2, AQC vaporizer 3 and the AQC superheater 4 that are communicated with successively, the economizer 2 that described PH exhaust heat boiler 5 inside comprises in the PH vaporizer 7 and PH superheater 6, AQC exhaust heat boiler 1 be communicated with successively is communicated with the PH vaporizer 7 in PH exhaust heat boiler 5;
Described high pressure steam generator unit comprises extrqaction condendsing turbine turbine generator 8 and condenser 9, AQC superheater 4 in exhaust heat boiler unit is communicated with extrqaction condendsing turbine turbine generator 8 with the steam (vapor) outlet of PH superheater 6, and the steam (vapor) outlet of extrqaction condendsing turbine turbine generator 8 is communicated with the economizer 2 in exhaust heat boiler unit by condenser 9;
Described organic Rankine bottoming cycle generator unit comprises ORC vaporizer 11, ORC condenser 12 and ORC generator 13, economizer 2 in exhaust heat boiler unit is communicated with ORC vaporizer 11, the steam (vapor) outlet of ORC vaporizer 11 is communicated with ORC generator 13, the low-temperature water heating outlet of ORC vaporizer 11 is communicated with the economizer 2 in exhaust heat boiler unit, and the steam (vapor) outlet of ORC generator 13 is communicated with ORC vaporizer 11 by ORC condenser 12.
With reference to accompanying drawing 1, be organic Rankine bottoming cycle generator unit in dotted line.
Low temperature exhaust heat efficient system for reclaiming, comprises exhaust heat boiler unit, high pressure steam generator unit and organic Rankine bottoming cycle generator unit.Exhaust heat boiler unit comprises AQC exhaust heat boiler 1 and PH exhaust heat boiler 5.
The waste heat flue gas that cement kiln head is drawn introduces AQC exhaust heat boiler 1, and the waste heat flue gas of kiln tail introduces PH exhaust heat boiler 5.When the waste heat flue gas of kiln hood enters AQC exhaust heat boiler 1, successively through AQC superheater 4, AQC vaporizer 3 and economizer 2, suitably can improve the heat exchange area of economizer 2, reduce the outlet waste heat flue gas temperature of AQC exhaust heat boiler 1.
The high-temperature liquid state hot water that economizer 2 in exhaust heat boiler unit flows out will be divided into multichannel, and a road flows to AQC vaporizer 3 in exhaust heat boiler unit and PH vaporizer 7, road and flows to ORC vaporizer 11 in organic Rankine bottoming cycle generator unit.
High pressure steam generator unit: the steam that the AQC vaporizer 3 in exhaust heat boiler unit and PH vaporizer 7 produce sends into AQC superheater 4 respectively and PH superheater 6 is heated into superheated vapor state, the condensing steam turbine generator 8 jointly entered in high pressure steam generator unit generates electricity, the exhaust steam of discharging enters condenser 9 and condenses into supercooled liquid water, after the links such as pumping, deoxygenation, moisturizing, pressurization pumping is flowed back to economizer 2 and is continued heating process.
Organic Rankine bottoming cycle (ORC) generator unit: some inflow of the hot water that the economizer 2 in exhaust heat boiler unit flows out ORC vaporizer 11, the low-temperature water heating after heat transfer also returns in the pipeline of the outlet of the condenser 9 in high pressure steam generator unit.Low boiling organic working medium is heated into the saturated superheated vapor state of high pressure through ORC vaporizer 11, flow into the generating of ORC generator 13 expansion work, the low pressure organic working medium vapor stream flowed out condenses into supercooled liquid through ORC condenser 12, drive working medium pump 14 through magnetic to pressurize and again send into ORC vaporizer 11, realize the cyclic process of organic working medium.
ORC generator 13 in organic Rankine bottoming cycle generator unit is high-speed magnetic levitation permanent-magnet synchronous turbogenerator, adopts magnetic levitation bearing system and turbine and the direct-connected mode of generator, reduces mechanical gearing losses; Utilize permanent magnet generator machine technology, reduce the copper loss of generator, improve generating efficiency.
In above-mentioned low temperature exhaust heat efficient system for reclaiming, cooling water all takes from condensing tower 10.
Utilize the flash vessel in organic Rankine bottoming cycle generator unit alternative composite flash evaporation power generation technology, suitably can improve the heat exchange area of economizer, reduce flue gas exit temperature further.The callable residual heat resources temperature value of effective reduction, improves heat recovery efficiency.
Claims (2)
1. a low temperature exhaust heat efficient system for reclaiming, is characterized in that comprising exhaust heat boiler unit, high pressure steam generator unit and organic Rankine bottoming cycle generator unit;
Described exhaust heat boiler unit comprises AQC exhaust heat boiler (1) and PH exhaust heat boiler (5), described AQC exhaust heat boiler (1) inside comprises the economizer (2), AQC vaporizer (3) and the AQC superheater (4) that are communicated with successively, described PH exhaust heat boiler (5) inside comprises the PH vaporizer (7) and PH superheater (6) that are communicated with successively, and the economizer (2) in AQC exhaust heat boiler (1) is communicated with the PH vaporizer (7) in PH exhaust heat boiler (5);
Described high pressure steam generator unit comprises extrqaction condendsing turbine turbine generator (8) and condenser (9), AQC superheater (4) in exhaust heat boiler unit is communicated with extrqaction condendsing turbine turbine generator (8) with the steam (vapor) outlet of PH superheater (6), and the steam (vapor) outlet of extrqaction condendsing turbine turbine generator (8) is communicated with the economizer (2) in exhaust heat boiler unit by condenser (9);
Described organic Rankine bottoming cycle generator unit comprises ORC vaporizer (11), ORC condenser (12) and ORC generator (13), economizer (2) in exhaust heat boiler unit is communicated with ORC vaporizer (11), the steam (vapor) outlet of ORC vaporizer (11) is communicated with ORC generator (13), the low-temperature water heating outlet of ORC vaporizer (11) is communicated with the economizer (2) in exhaust heat boiler unit, and the steam (vapor) outlet of ORC generator (13) is communicated with ORC vaporizer (11) by ORC condenser (12).
2. low temperature exhaust heat efficient system for reclaiming according to claim 1, is characterized in that the ORC generator (13) in described organic Rankine bottoming cycle generator unit is high-speed magnetic levitation permanent-magnet synchronous turbogenerator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520045665.4U CN204436487U (en) | 2015-01-23 | 2015-01-23 | A kind of low temperature exhaust heat efficient system for reclaiming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520045665.4U CN204436487U (en) | 2015-01-23 | 2015-01-23 | A kind of low temperature exhaust heat efficient system for reclaiming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204436487U true CN204436487U (en) | 2015-07-01 |
Family
ID=53604365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520045665.4U Active CN204436487U (en) | 2015-01-23 | 2015-01-23 | A kind of low temperature exhaust heat efficient system for reclaiming |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204436487U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105004194A (en) * | 2015-08-17 | 2015-10-28 | 中能世华(北京)节能科技有限公司 | Automatic auxiliary power supplementing system through heat power generation during cement production |
| CN109931234A (en) * | 2019-03-26 | 2019-06-25 | 上海交通大学 | Low temperature geothermal energy magnetic floating generator in overbottom pressure accumulation energy type |
-
2015
- 2015-01-23 CN CN201520045665.4U patent/CN204436487U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105004194A (en) * | 2015-08-17 | 2015-10-28 | 中能世华(北京)节能科技有限公司 | Automatic auxiliary power supplementing system through heat power generation during cement production |
| CN109931234A (en) * | 2019-03-26 | 2019-06-25 | 上海交通大学 | Low temperature geothermal energy magnetic floating generator in overbottom pressure accumulation energy type |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102022144B (en) | Thermal power generation system with function of exhaust steam recovery | |
| CN103790732B (en) | Medium and high temperature flue gas waste heat dual-working-medium combined cycle power generation device | |
| CN101929360B (en) | Medium-low temperature heat source generating set based on energy cascade utilization and thermal circulation method thereof | |
| CN204591384U (en) | A kind of system improving subcritical coal unit reliability of heating network | |
| CN101638998B (en) | Front-end double pressure heat absorbing and heat returning circulating thermal system for thermal generator set | |
| CN103062000B (en) | Power generation system for performing energy gradient utilization on geothermal energy and solar energy | |
| CN103670888B (en) | A kind of hot water residual pressure residual neat recovering system | |
| CN201706478U (en) | Heat-recovering type demineralized water heating system | |
| CN203796440U (en) | Medium and high temperature flue gas waste heat double-working-medium combined cycle power generation device | |
| CN203925625U (en) | Waste heat of coke oven crude gas reclaims power generation system | |
| CN202074601U (en) | Steam exhausting, waste heat recovering and heating system of direct air cooling unit | |
| CN202647718U (en) | Supercritical clamminess heating machine set heat supply net drainage treating system | |
| CN204436487U (en) | A kind of low temperature exhaust heat efficient system for reclaiming | |
| CN207730035U (en) | Sintering with Organic Rankine Cycle cools down power generation system using waste heat | |
| CN203796343U (en) | Multi-pressure low-boiling steam supplement type organic Rankine cycle (ORC) system | |
| CN206094611U (en) | Take cement kiln waste heat power generation device of solar energy collection field | |
| CN110159376A (en) | A kind of compound heat utilization power generating system of aluminium cell | |
| CN103758595A (en) | Multi-pressure steam compensation type low-boiling-point organic working medium Rankine cycle system | |
| CN204386676U (en) | A kind of associating residual neat recovering system | |
| CN109296413B (en) | Bypass secondary reheating power generation device and method cooled by deep seawater | |
| CN204960995U (en) | Organic rankine cycle power generation system of low temperature waste heat | |
| CN206468383U (en) | Improve the device of the Rankine cycle thermal efficiency | |
| CN206874322U (en) | A kind of device of multiple pressure flash distillation organic Rankine bottoming cycle cogeneration | |
| CN210948820U (en) | Dual-working-medium Rankine cycle waste heat power generation system and generator | |
| CN209959301U (en) | Triple reheating power generation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 050800 No.12, jiaojiaopu street, North District, high tech Development Zone, Zhengding County, Shijiazhuang City, Hebei Province Patentee after: DUNSHI MAGNETIC ENERGY TECHNOLOGY Co.,Ltd. Address before: 063020 No. 35, Daqing Road, Tangshan City hi tech Development Zone, Hebei Patentee before: DUNSHI MAGNETIC ENERGY TECHNOLOGY Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |