CN204421655U - A kind of sintering exhaust-heat boiler and gas boiler combined power generation device - Google Patents
A kind of sintering exhaust-heat boiler and gas boiler combined power generation device Download PDFInfo
- Publication number
- CN204421655U CN204421655U CN201420858713.7U CN201420858713U CN204421655U CN 204421655 U CN204421655 U CN 204421655U CN 201420858713 U CN201420858713 U CN 201420858713U CN 204421655 U CN204421655 U CN 204421655U
- Authority
- CN
- China
- Prior art keywords
- steam
- heat boiler
- waste heat
- boiler
- gas
- 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 discloses a kind of sintering exhaust-heat boiler and gas boiler combined power generation device, comprise water desalting plant (1), the delivery port of water desalting plant is connected with sweet-water tank (100) by pipeline, and the water outlet main line of sweet-water tank is connected to gas boiler (201), sintering machine waste heat boiler (301) and central cooler waste heat boiler (401) by multiple branch line; The gas approach of gas boiler, sintering machine waste heat boiler and central cooler waste heat boiler is connected by pipeline and is connected with blast furnace ironmaking device (2), sintering machine (3) and central cooler (4) respectively in turn; The steam (vapor) outlet of central cooler waste heat boiler divides two-way to be connected to middle pressure steam steam manifold (5) and low-pressure steam steam manifold (6), gas boiler is connected middle pressure steam steam manifold with the steam (vapor) outlet of sintering machine waste heat boiler, the mixed vapour outlet of middle pressure steam steam manifold and low-pressure steam steam manifold is connected with steam turbine (7), and steam turbine is connected with generator (8).
Description
Technical field
The utility model relates to waste heat waste gas recovery and utilizes TRT, particularly relates to a kind of sintering exhaust-heat boiler and gas boiler combined power generation device.
Background technology
The waste gas residual heat that current iron and steel metallurgy enterprise adopts sintered production line to discharge introduces boiler develops steam vapor; pushing turbine group generates electricity; but electricity generation system is very tight to the quality requirements of main steam; and sintering process system waste heat flue gas is very unstable; exhaust temperature fluctuations scope, more than ± 100 DEG C, causes the fluctuation of Stream temperature degree to exceed standard, has a strong impact on technical-economic index; force cogeneration unit frequent shutdown, the security of serious threat steam turbine, stability and life-span.
Summary of the invention
In order to make up the deficiencies in the prior art; the purpose of this utility model is to provide a kind of sintering exhaust-heat boiler and gas boiler combined power generation device; can guarantee the normal operation of stable maintenance steam turbine, decrease the machine stop times of whole unit, what improve whole unit utilizes the time.
In order to achieve the above object, the utility model is achieved by the following technical solutions.
A kind of sintering exhaust-heat boiler and gas boiler combined power generation device, it is characterized in that, comprise water desalting plant, water desalting plant rear end is provided with delivery port, the delivery port of water desalting plant is connected with sweet-water tank by pipeline, the water outlet main line of sweet-water tank is connected to gas boiler, sintering machine waste heat boiler and central cooler waste heat boiler by multiple branch line, and gas boiler front end is provided with gas approach, and the gas approach of gas boiler is connected with blast furnace ironmaking device by pipeline, sintering machine waste heat boiler front end is provided with gas approach, and the gas approach of sintering machine waste heat boiler is connected with sintering machine by pipeline, central cooler waste heat boiler front end is provided with gas approach, and the gas approach of central cooler waste heat boiler is connected with central cooler by pipeline, gas boiler, the rear end of sintering machine waste heat boiler and central cooler waste heat boiler is respectively arranged with steam (vapor) outlet, the steam (vapor) outlet of central cooler waste heat boiler divides two-way to be connected to middle pressure steam steam manifold and low-pressure steam steam manifold, gas boiler is connected middle pressure steam steam manifold with the steam (vapor) outlet of sintering machine waste heat boiler, middle pressure steam steam manifold and low-pressure steam steam manifold rear end are provided with mixed vapour outlet, the mixed vapour outlet of middle pressure steam steam manifold is connected with steam turbine, steam turbine front end is provided with filling mouth, the mixed vapour outlet of low-pressure steam steam manifold connects the filling mouth of steam turbine by pipeline, steam turbine is connected with generator.
Feature of the present utility model and further improvement are:
Described steam turbine is condensing turbine, back pressure turbine, extraction steam turbine, backpressure extraction turbine or multi-pressure turbine.
Compared with prior art, the utility model has technique effect significantly.
Sintering exhaust-heat boiler and central cooler waste heat boiler affect steam turbine running owing to stably can not supply steam pressure; in the utility model; add gas boiler and provide steam pressure to unit with sintering machine waste heat boiler together with central cooler waste heat boiler; guarantee that steam pressure is stably supplied to steam turbine; thus maintain the normal operation of whole unit; decrease the machine stop times of whole unit, what improve whole unit utilizes the time.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is a kind of sintering exhaust-heat boiler of the present utility model and the whole schematic diagram of gas boiler combined power generation device.
In figure: 1, water desalting plant; 100, sweet-water tank; 2, blast furnace ironmaking device; 201, gas boiler; 3, sintering machine; 301, sintering machine waste heat boiler; 4, central cooler; 401, central cooler waste heat boiler; 5, middle pressure steam steam manifold; 6, low-pressure steam steam manifold; 7, steam turbine; 8, generator.
Detailed description of the invention
As shown in Figure 1, a kind of sintering exhaust-heat boiler of the present utility model and gas boiler combined power generation device, comprise water desalting plant 1, water desalting plant 1 rear end is provided with delivery port, the delivery port of water desalting plant 1 is connected with sweet-water tank 100 by pipeline, and the water outlet main line of sweet-water tank 100 is connected to gas boiler 201, sintering machine waste heat boiler 301 and central cooler waste heat boiler 401 by multiple branch line, gas boiler 201 front end is provided with gas approach, and the gas approach of gas boiler 201 connects the exhanst gas outlet of blast furnace ironmaking device 2 by pipeline, sintering machine waste heat boiler 301 front end is provided with gas approach, and the gas approach of sintering machine waste heat boiler 301 connects the exhanst gas outlet of sintering machine 3 by pipeline, central cooler waste heat boiler 401 front end is provided with gas approach, and the gas approach of central cooler waste heat boiler 401 is connected with the exhanst gas outlet of central cooler 4 by pipeline, gas boiler 201, the rear end of sintering machine waste heat boiler 301 and central cooler waste heat boiler 401 is respectively arranged with steam (vapor) outlet, the steam (vapor) outlet of central cooler waste heat boiler 401 divides two-way to be connected to middle pressure steam steam manifold 5 and low-pressure steam steam manifold 6, gas boiler 201 is connected middle pressure steam steam manifold 5 with the steam (vapor) outlet of sintering machine waste heat boiler 301, middle pressure steam steam manifold 5 and low-pressure steam steam manifold 6 rear end are provided with mixed vapour outlet, the mixed vapour outlet of middle pressure steam steam manifold 5 is connected with steam turbine 7, steam turbine 7 front end is provided with filling mouth, the mixed vapour outlet of low-pressure steam steam manifold 6 connects the filling mouth of steam turbine 7 by pipeline, steam turbine 7 is connected with generator 8, steam turbine 7 is condensing turbine, back pressure turbine, extraction steam turbine, backpressure extraction turbine or multi-pressure turbine.
Sintering exhaust-heat boiler and the gas boiler combined power generation device operation principle of the present embodiment are as follows.
River obtains water for industrial use after water desalting plant 1 processes, water for industrial use processes the working medium obtained required for boiler again through sweet-water tank 100, working medium flows to each bye-pass by the water outlet main line of sweet-water tank 100 and enters into gas boiler 201, sintering machine waste heat boiler 301 and central cooler waste heat boiler 401, blast furnace ironmaking device 2, the flue gas of sintering machine 3 and central cooler 4 enters into gas boiler 201 successively respectively by pipeline, sintering machine waste heat boiler 301 and central cooler waste heat boiler 401 and its internal working medium generation heat exchange, middle pressure steam steam manifold 5 is entered into from gas boiler 201 and sintering machine waste heat boiler 301 steam out, two-way is divided to enter middle pressure steam steam manifold 5 and low-pressure steam steam manifold 6 respectively from central cooler waste heat boiler 401 steam out, middle pressure steam steam manifold 5 internal mix steam enters steam turbine 7 by pipeline, drive steam turbine rotates, steam turbine 7 is with generator 8 to operate output current, low-pressure steam steam manifold 6 is connected with steam turbine 7 filling mouth by pipeline, the steam pressure of steam turbine 7 inside is supplemented, the steam pressure supplying steam turbine 7 due to sintering machine waste heat boiler 301 and central cooler waste heat boiler 401 is unstable, affect the safe operation of whole unit, stable steam pressure is provided to steam turbine 7 by increasing gas boiler 201, avoid the machine stop times of unit, improve the operating efficiency of whole unit.
Although be below described embodiment of the present utility model by reference to the accompanying drawings, but the utility model is not limited to above-mentioned specific embodiments and applications field, above-mentioned specific embodiments is only schematic, guiding, instead of restrictive.Those of ordinary skill in the art is under the enlightenment of description, and when not departing from the scope that the utility model claim is protected, can also make a variety of forms, these all belong to the row of the utility model protection.
Claims (2)
1. a sintering exhaust-heat boiler and gas boiler combined power generation device, it is characterized in that, comprise water desalting plant (1), water desalting plant (1) rear end is provided with delivery port, the delivery port of water desalting plant (1) is connected with sweet-water tank (100) by pipeline, and the water outlet main line of sweet-water tank (100) has been connected respectively gas boiler (201), sintering machine waste heat boiler (301) and central cooler waste heat boiler (401) by multiple branch line, gas boiler (201) front end is provided with gas approach, and the gas approach of gas boiler (201) is connected with blast furnace ironmaking device (2) by pipeline, sintering machine waste heat boiler (301) front end is provided with gas approach, and the gas approach of sintering machine waste heat boiler (301) is connected with sintering machine (3) by pipeline, central cooler waste heat boiler (401) front end is provided with gas approach, and the gas approach of central cooler waste heat boiler (401) is connected with central cooler (4) by pipeline, gas boiler (201), the rear end of sintering machine waste heat boiler (301) and central cooler waste heat boiler (401) is respectively arranged with steam (vapor) outlet, the steam (vapor) outlet of central cooler waste heat boiler (401) divides two-way to be connected to middle pressure steam steam manifold (5) and low-pressure steam steam manifold (6), gas boiler (201) is connected middle pressure steam steam manifold (5) with the steam (vapor) outlet of sintering machine waste heat boiler (301), middle pressure steam steam manifold (5) and low-pressure steam steam manifold (6) rear end are respectively arranged with mixed vapour outlet, the mixed vapour outlet of middle pressure steam steam manifold (5) is connected with steam turbine (7), steam turbine (7) front end is provided with filling mouth, the mixed vapour outlet of low-pressure steam steam manifold (6) connects the filling mouth of steam turbine (7) by pipeline, steam turbine (7) is connected with generator (8).
2. sintering exhaust-heat boiler according to claim 1 and gas boiler combined power generation device, it is characterized in that, described steam turbine (7) is condensing turbine, back pressure turbine, extraction steam turbine, backpressure extraction turbine or multi-pressure turbine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420858713.7U CN204421655U (en) | 2014-12-30 | 2014-12-30 | A kind of sintering exhaust-heat boiler and gas boiler combined power generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420858713.7U CN204421655U (en) | 2014-12-30 | 2014-12-30 | A kind of sintering exhaust-heat boiler and gas boiler combined power generation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204421655U true CN204421655U (en) | 2015-06-24 |
Family
ID=53472014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420858713.7U Active CN204421655U (en) | 2014-12-30 | 2014-12-30 | A kind of sintering exhaust-heat boiler and gas boiler combined power generation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204421655U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106091705A (en) * | 2016-06-15 | 2016-11-09 | 山东钢铁股份有限公司 | A kind of improve the method and apparatus that sintering waste heat utilizes cluster generated energy |
| CN108119191A (en) * | 2018-01-31 | 2018-06-05 | 福建省东锅节能科技有限公司 | The new complementary energy exhaust heat recovery power generation reconstruction structure of steel plant and its method of work |
-
2014
- 2014-12-30 CN CN201420858713.7U patent/CN204421655U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106091705A (en) * | 2016-06-15 | 2016-11-09 | 山东钢铁股份有限公司 | A kind of improve the method and apparatus that sintering waste heat utilizes cluster generated energy |
| CN108119191A (en) * | 2018-01-31 | 2018-06-05 | 福建省东锅节能科技有限公司 | The new complementary energy exhaust heat recovery power generation reconstruction structure of steel plant and its method of work |
| CN108119191B (en) * | 2018-01-31 | 2023-05-23 | 福建省东锅节能科技有限公司 | Steel plant waste energy and waste heat recovery power generation transformation structure and working method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103234362B (en) | Device and process for generating power through efficient recovery of waste heat of sintered ores | |
| CN102012167B (en) | System and method for power generating by jointly recovering waste heat of flue gas of sintering machine and exhaust gas of cooling machine | |
| CN110145376B (en) | Boiler and steam turbine decoupling system based on increase steam turbine | |
| CN201852474U (en) | Combined recovery and power generation system for waste heat in flue gas of sintering machine and waste gas of cooling machine | |
| CN103234364B (en) | Device with griddle and process for generating power by efficiently recycling sinter waste heat | |
| CN102359400B (en) | Comprehensive utilization system for waste heat steam of steel enterprise | |
| CN204421655U (en) | A kind of sintering exhaust-heat boiler and gas boiler combined power generation device | |
| CN107387182B (en) | Back pressure type steam turbine starting exhaust steam recovery system | |
| CN107060902A (en) | Novel steam is depressured temperature reducing system | |
| CN101949651A (en) | Afterheat double-voltage recovery and generation system of dry cement production line | |
| CN205779061U (en) | Coal mine gas gradient thermoelectric cold supply system | |
| CN102564146A (en) | Heating furnace flue gas waste heat recovery and power generation system | |
| CN104457299A (en) | Screw expander dragged sintering wast heat power generation system and method | |
| CN103628985A (en) | System for heating natural gas by using waste heat of waste heat boiler in gas turbine power plant | |
| CN206386154U (en) | A kind of Novel steam is depressured temperature reducing system | |
| CN203259024U (en) | Efficient sintering ore waste heat recovery and power generation device | |
| CN207179607U (en) | A kind of residual heat integrative of steel plant utilizes electricity generation system | |
| CN104132552A (en) | Converter waste heat steam comprehensive utilization system and method | |
| CN206903698U (en) | Back pressure turbine system with attemperator | |
| CN202883121U (en) | Industrial combustible gas generating system | |
| CN202991157U (en) | Raw water heating system using waste steam of direct air-cooling turbine for heating | |
| CN214247438U (en) | System adopting medium-pressure cylinder exhaust steam as steam source of water feeding pump steam turbine | |
| CN204730680U (en) | Central cooler waste heat comprehensive utilization system | |
| CN103925808A (en) | Smoke waste heat efficient recycling system and method of sintering machine | |
| CN106930791B (en) | The operation of power networks method of the electricity generation system of low-carbon emission |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |