CN105115313A - High-temperature and low-pressure waste heat power generation system for silicon system submerged arc furnace smoke - Google Patents
High-temperature and low-pressure waste heat power generation system for silicon system submerged arc furnace smoke Download PDFInfo
- Publication number
- CN105115313A CN105115313A CN201510649221.6A CN201510649221A CN105115313A CN 105115313 A CN105115313 A CN 105115313A CN 201510649221 A CN201510649221 A CN 201510649221A CN 105115313 A CN105115313 A CN 105115313A
- Authority
- CN
- China
- Prior art keywords
- pressure
- low
- temperature
- waste heat
- temperature low
- 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.)
- Pending
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
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention relates to a high-temperature and low-pressure waste heat power generation system for silicon system submerged arc furnace smoke. The high-temperature and low-pressure waste heat power generation system comprises an energy storage type novel boiler dust remover, a high-temperature and low-pressure waste heat boiler, a high-temperature and low-pressure steam guide pipe, a high-temperature and low-pressure waste heat turbine, a high-temperature and low-pressure unit condensing and deoxidizing system, a low-pressure boiler water feeding pump and a low-pressure water feeding guide pipe. The high-temperature and low-pressure waste heat power generation system has the advantages that the waste heat utilization rate can be effectively increased, and the waste heat power generation capacity can be improved; compared with a high-temperature and low-pressure unit increasing the installed capacity, the phenomena that an existing low-temperature and low-pressure unit is low in efficiency, large in investment and inefficient in investment can be changed, the energy storage type novel boiler dust remover can achieve saturated blowing and dust removing on a heated face of the high-temperature and low-pressure waste heat boiler, and the obstacle on boiler operation due to micro-silicon dust binding under the high temperature is avoided.
Description
Technical field
The present invention relates to a kind of afterheat generating system, be specifically related to a kind of silicon system mineral heating furnace flue high-temperature low-pressure afterheat generating system, belong to industrial energy saving field of Environment Protection.
Background technology
Silicon system mineral hot furnace production process, has a large amount of stack gas emissions, and owing to there is boiler face combustion phenomena, so flue gas after burning and a large amount of surrounding air mixture reach the object of cooling.But, because in flue gas, containing silicon micro powder dirt is higher, and the feature that under high temperature, viscosity is larger, the UTILIZATION OF VESIDUAL HEAT IN of existing silicon system mineral heating furnace flue mainly adopts conventional cogeneration technology and the systems such as simple low-temp low-pressure unit.
The main feature of existing low-temp low-pressure cogeneration technology: the first carries out waste heat recovery to a certain degree and utilization; It two is that unit of electrical energy power consumption is comparatively large, and the thermal efficiency is lower; Its three be unit power installation cost higher; It four be main take water as acting working medium.
Particularly seriously current technical research and equipment manufacture do not catch up with the paces that energy-saving and emission-reduction develop, still conveniently power technology and standard carry out Technology design and the manufacturing for existing cogeneration (driving) main equipment and system, its major technique and standard are: the type units such as HTHP, medium temperature and medium pressure, low-temp low-pressure, the pure cryogenic low-tension unit of development in recent years also not for steel industry, so cause domestic steel industry and cogeneration energy consumption is higher and production efficiency is lower backward situation thereof.
As everyone knows, take water as acting working medium, advantage is economical and safety, and shortcoming is that the liquid-gas phase transition energy consumption of water is higher and the thermal efficiency is lower.So, how larger raising vapor (steam) temperature and pressure parameter, how reduce liquid-gas phase transition and the evaporation capacity of water with power, being the eternal theme of power technology and cogeneration (driving) technology and system, is also the development priority of current energy-saving and emission-reduction and equipment manufacture.
For this reason, how providing a kind of silicon system mineral heating furnace flue high-temperature low-pressure afterheat generating system, is the object that the present invention studies.
Summary of the invention
In order to overcome the deficiency of existing silicon system mineral heating furnace flue low-temp low-pressure cogeneration technology, the invention provides a kind of silicon system mineral heating furnace flue high-temperature low-pressure afterheat generating system, reaching energy-efficient effect.
A kind of silicon system mineral heating furnace flue high-temperature low-pressure afterheat generating system, comprises energy storage type New-type boiler soot blower, high-temperature low-pressure waste heat boiler, high-temperature low-pressure steam conduit, high-temperature low-pressure waste heat steam turbine, the condensation of high-temperature low-pressure unit and deoxygenation system, low-pressure boiler feed pump and low pressure feed water conduit; Described energy storage type New-type boiler soot blower is installed on high-temperature low-pressure waste heat boiler; Described high-temperature low-pressure waste heat steam turbine itself is provided with steam inlet, output and exhaust outlet; Described high-temperature low-pressure steam tube at one end is connected with high-temperature low-pressure waste heat boiler, and the other end is connected with the steam inlet of high-temperature low-pressure waste heat steam turbine; The output of described high-temperature low-pressure steam turbine is connected with generator, and the exhaust outlet of described high-temperature low-pressure steam turbine is connected with deoxygenation system with the condensation of high-temperature low-pressure unit; Described high-temperature low-pressure unit condensation is connected with low-pressure boiler feed pump, low pressure feed water conduit and high-temperature low-pressure waste heat boiler successively with deoxygenation system.
Described high-temperature low-pressure parameter: vapor (steam) temperature >=500 DEG C, steam pressure≤1.57MPa.
Beneficial effect of the present invention: the first effectively can improve utilization rate of waste heat, increases cogeneration production capacity; It two is the high-temperature low-pressure units relatively increasing installed capacity, can change existing low-temp low-pressure unit more inefficient, invest bigger than normal and inefficient investment phenomenon.It three is saturated strike and deashings that energy storage type New-type boiler soot blower can realize high-temperature low-pressure waste heat boiler heating surface, solves silicon powder dirt under high temperature and to bond the obstacle caused to boiler operatiopn.
Accompanying drawing explanation
Accompanying drawing 1 is system diagram of the present invention.Wherein, energy storage type New-type boiler soot blower 1, high-temperature low-pressure waste heat boiler 2, high-temperature low-pressure steam conduit 3, high-temperature low-pressure waste heat steam turbine 4, the condensation of high-temperature low-pressure unit and deoxygenation are 5, low-pressure boiler feed pump 6, low pressure feed water conduit 7.
Detailed description of the invention
1 couple of the present invention is further analyzed with reference to the accompanying drawings below.
As shown in Figure 1: a kind of silicon system mineral heating furnace flue high-temperature low-pressure afterheat generating system, comprise that energy storage type New-type boiler soot blower 1, high-temperature low-pressure waste heat boiler 2, high-temperature low-pressure steam conduit 3, high-temperature low-pressure waste heat steam turbine 4, the condensation of high-temperature low-pressure unit and deoxygenation are 5, low-pressure boiler feed pump 6 and low pressure feed water conduit 7; Energy storage type New-type boiler soot blower 1 is installed on high-temperature low-pressure waste heat boiler 2; High-temperature low-pressure waste heat steam turbine 4 itself is provided with steam inlet, output and exhaust outlet; High-temperature low-pressure steam conduit 3 one end is connected with high-temperature low-pressure waste heat boiler 2, and the other end is connected with the steam inlet of high-temperature low-pressure waste heat steam turbine 4; The output of high-temperature low-pressure steam turbine 4 is connected with generator, and exhaust outlet and the condensation of high-temperature low-pressure unit and the deoxygenation of high-temperature low-pressure steam turbine 4 are 5 to be connected; The condensation of high-temperature low-pressure unit and deoxygenation are 5 to be connected with low-pressure boiler feed pump 6, low pressure feed water conduit 7 and high-temperature low-pressure waste heat boiler 2 successively.
High-temperature low-pressure parameter: vapor (steam) temperature >=500 DEG C, steam pressure≤1.57MPa.
In the silicon system hot production process in ore deposit: ensure high-temperature low-pressure waste heat boiler 2 by energy storage type New-type boiler soot blower 1, at high temperature carry out heat exchange with silicon system mineral heating furnace flue thermal source, produce high-temperature low-pressure steam, and input high-temperature low-pressure waste heat steam turbine 4 through high-temperature low-pressure steam conduit 3 and carry out cogeneration (driving); Exhaust steam after acting is 5 become low-pressure boiler water source by the condensation of high-temperature low-pressure unit and deoxygenation, then completes the water supply of high-temperature low-pressure waste heat boiler 2 by low-pressure boiler feed pump 6, low pressure feed water conduit 7 etc.; Continuous and the circulation of above process just constitutes silicon system mineral heating furnace flue high-temperature low-pressure afterheat generating system.
Be described in detail the technical scheme that the application provides above, apply embodiment herein and set forth the principle of the application and embodiment, the explanation of above embodiment is just for helping method and the core concept thereof of understanding the application; Meanwhile, for one of ordinary skill in the art, according to the thought of the application, all will change in specific embodiments and applications, in sum, this description should not be construed as the restriction to the application.
Claims (2)
1. a silicon system mineral heating furnace flue high-temperature low-pressure afterheat generating system, is characterized in that: comprise energy storage type New-type boiler soot blower, high-temperature low-pressure waste heat boiler, high-temperature low-pressure steam conduit, high-temperature low-pressure waste heat steam turbine, the condensation of high-temperature low-pressure unit and deoxygenation system, low-pressure boiler feed pump and low pressure feed water conduit; Described energy storage type New-type boiler soot blower is installed on high-temperature low-pressure waste heat boiler; Described high-temperature low-pressure waste heat steam turbine itself is provided with steam inlet, output and exhaust outlet; Described high-temperature low-pressure steam tube at one end is connected with high-temperature low-pressure waste heat boiler, and the other end is connected with the steam inlet of high-temperature low-pressure waste heat steam turbine; The output of described high-temperature low-pressure steam turbine is connected with generator, and the exhaust outlet of described high-temperature low-pressure steam turbine is connected with deoxygenation system with the condensation of high-temperature low-pressure unit; Described high-temperature low-pressure unit condensation is connected with low-pressure boiler feed pump, low pressure feed water conduit and high-temperature low-pressure waste heat boiler successively with deoxygenation system.
2. a kind of silicon system according to claim 1 mineral heating furnace flue high-temperature low-pressure afterheat generating system, is characterized in that: high-temperature low-pressure optimum configurations is vapor (steam) temperature >=500 DEG C, steam pressure≤1.57MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510649221.6A CN105115313A (en) | 2015-10-10 | 2015-10-10 | High-temperature and low-pressure waste heat power generation system for silicon system submerged arc furnace smoke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510649221.6A CN105115313A (en) | 2015-10-10 | 2015-10-10 | High-temperature and low-pressure waste heat power generation system for silicon system submerged arc furnace smoke |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105115313A true CN105115313A (en) | 2015-12-02 |
Family
ID=54663358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510649221.6A Pending CN105115313A (en) | 2015-10-10 | 2015-10-10 | High-temperature and low-pressure waste heat power generation system for silicon system submerged arc furnace smoke |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105115313A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105457440A (en) * | 2016-01-16 | 2016-04-06 | 杨德俊 | Device for achieving flue gas power generation and removing harmful substance in flue gas simultaneously |
-
2015
- 2015-10-10 CN CN201510649221.6A patent/CN105115313A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105457440A (en) * | 2016-01-16 | 2016-04-06 | 杨德俊 | Device for achieving flue gas power generation and removing harmful substance in flue gas simultaneously |
| CN105457440B (en) * | 2016-01-16 | 2018-06-29 | 湘南学院 | The device of flue gas harmful substance is removed in a kind of flue gas power generation simultaneously |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3064841B1 (en) | Gas steam combined cycle central heating device | |
| CN103629857B (en) | Based on the thermal power cogeneration central heating system of heat pump | |
| CN201443978U (en) | Carbon calciner waste heat generating system | |
| CN103673031B (en) | The system of cogeneration of heat and power central heating temperature is greatly reduced | |
| CN103670548A (en) | Heat and power cogeneration central heating system based on heat pump | |
| CN102230615B (en) | Combined type flue gas residual heat comprehensive utilization system | |
| CN104500158A (en) | Low-concentration coalbed methane or gas electric generating system | |
| CN103629724B (en) | Significantly reduce the system of cogeneration of heat and power central heating temperature | |
| CN105115313A (en) | High-temperature and low-pressure waste heat power generation system for silicon system submerged arc furnace smoke | |
| CN202074505U (en) | Heat-conducting oil furnace tial-gas waste heat heating condensed water device | |
| CN201417093Y (en) | Heat recovery system of waste heat boiler for glass production line | |
| CN201229117Y (en) | Waste-heat recovery device for roller kiln | |
| CN109140492B (en) | Boiler smoke-wind coupling waste heat recovery system | |
| CN203657508U (en) | Smoke waste heat utilization system of rotary kiln | |
| CN103628938B (en) | System for greatly reducing cogeneration centralized heat supply temperature | |
| CN103161535B (en) | Smoke waste heat power generation system of heating furnace | |
| CN202791980U (en) | Heat pipe type low pressure superheated steam mixed air device | |
| CN103673644A (en) | Waste heat utilizing system of submerged-arc furnace | |
| CN204853427U (en) | Boiler thermodynamic system | |
| CN203657509U (en) | Submerged arc furnace smoke waste-heat utilization system | |
| CN103673032A (en) | System capable of greatly lowering combined heat and power generation centralized heating temperature | |
| CN203657510U (en) | Heat recovery boiler power generation coupling system | |
| CN104165349A (en) | Boiler waste heat utilizing device | |
| CN203201607U (en) | Power generation system utilizing smoke waste heat of heating furnace | |
| CN202692106U (en) | High-efficiency energy-saving environment-friendly pure oxygen thermal generator set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151202 |
|
| WD01 | Invention patent application deemed withdrawn after publication |