CN202482344U - State conversion device for realizing utilization of uninterrupted heat energy output of steelmaking converter - Google Patents
State conversion device for realizing utilization of uninterrupted heat energy output of steelmaking converter Download PDFInfo
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- CN202482344U CN202482344U CN2012200734656U CN201220073465U CN202482344U CN 202482344 U CN202482344 U CN 202482344U CN 2012200734656 U CN2012200734656 U CN 2012200734656U CN 201220073465 U CN201220073465 U CN 201220073465U CN 202482344 U CN202482344 U CN 202482344U
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- flue
- converter
- heat energy
- energy output
- state converter
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model discloses a state conversion device for realizing utilization of uninterrupted heat energy output of steelmaking converter. The state conversion device comprises a flue state conversion device and a blowing and combusting device, wherein the flue state conversion device is arranged above a fixed flue hood of the flue of the converter, the blowing and combusting device is arranged out of the flue above the flue state conversion device and is communicated with the internal working of the flue. According to the utility model, states of the blowing period and the purging period of the converter are organically converted, so that the deficiency that the steelmaking converter just generates low pressure saturated steam interruptedly can be overcome, thereby greatly improving the steam quality. The steelmaking converter can generate three overheated steams to meet the requirement of continuous work of a steam turbine. The state conversion device provided by the utility model not only utilizes the energy source adequately, but also blows the system thoroughly; reduces the heat stress of the coal system effectively, ensures the normal work and prolongs the service life. The air factor of the flue can be controlled in early and late stages of blowing, so as to reduce the generation of oxynitride to a great extent, and reduce the environmental pollution. The state conversion device provided by the utility model is simple in structure, stable and reliable in work and high in recycling efficiency of heat energy.
Description
Technical field
The utility model belongs to the steelmaking equipment technical field, is specifically related to a kind of simple in structurely, and the stable and reliable operation steel-making converter is realized the state converter that the output of uninterrupted heat energy utilizes, and can realize the state conversion of blowing period and the phase of purging effectively.
Background technology
Coal gas of converter is the important secondhand energy of iron and steel enterprise, and the effective recycling coal gas of converter can not only reduce the STEELMAKING PRODUCTION cost, lays the first stone for realizing " negative ability " steel-making, and can greatly reduce the total emission volumn of steel mill's pollutent, realizes cleaner production.LT converter coal gas purification dry method treatment technology comes from Germany, and this method is utilized the electric field dedusting, and efficiency of dust collection can directly purify the dustiness in the flue gas to 10mg/m up to 99%
3Below, can directly supply the user to use, the LT method is being represented the RECOVERY OF CONVERTER GAS technological development direction.The high-temperature flue gas heat energy that reclaims the converter steelmaking generation produces steam also as the work energy of turbo-generator, perhaps is used for civilian or other purposes.But the operating mode of converter steelmaking is intermittently, discontinuous work; Naturally the steam that reclaims the heat energy generation also is step, and steam turbine power generation, and even electricity consumption then requires intermittently not provide; Continuous operation mode, both do not match, and will cause energy utilization insufficient; The problem that productive efficiency descends, and problem such as the energy recovery of discontinuous operation pattern is also insufficient, and pollutant emission is not up to standard.Therefore develop and a kind ofly can solve the unmatched problem of both operating mode, realize the converter conversion of operation state, the purpose state converter that reaches uninterrupted heat energy utilization is very important, and helps to improve the working efficiency and the application potential of LT method.
The utility model content
It is a kind of simple in structure that the purpose of the utility model is to provide, and the stable and reliable operation steel-making converter is realized the state converter that uninterrupted heat energy output utilizes, and can realize the state conversion of the blowing period and the phase of purging effectively.
The purpose of the utility model is achieved in that and comprises the flue state converter and purge combustion unit that described flue state converter is arranged at the fixed cover top of converter flue; Described flue state converter top flue outer setting purges combustion unit, and is communicated with the flue internal work.
The utility model is through flue state converter and the coordinated that purges combustion unit, realized the state conversion of blowing period and the phase of purging, guarantees that the non-blowing process has high-temperature flue gas to be used to produce steam, and the generating of steam supply turbine is used.The steel-making converter that has overcome service intermittent can only produce the deficiency of low-pressure saturated steam; The continuous superheated vapour that can produce HTHP, medium temperature and medium pressure and three kinds of parameters of low-temp low-pressure has increased substantially the quality of steam, can with the organic collaborative work of the turbine of non-stop run.Both made full use of the energy, and again system's flue had been carried out purging up hill and dale successively, guaranteed that system works was normal.In the converter coal gas purification system, the thermal stresses that this device can reduce the converter coal gas purification system is set, prolong the life-span of gas cleaning system.The utility model can significantly reduce the generation of oxynitrides at the coefficient of excess air of the forward and backward phase control of blowing flue gas, reduces the pollution of environment.The utility model is simple in structure, and working stability is reliable, and state is changed promptly and accurately, purges and heat energy recycle efficient height.
Description of drawings
Fig. 1 is the utility model one-piece construction and working state schematic representation;
Fig. 2 is that the AA of Fig. 1 is to view;
Fig. 3 is the vertical view of Fig. 2;
Fig. 4 is that the BB of Fig. 1 is to view;
Among the figure: 1-flue state converter, 2-topworks, 3-purges combustion unit, the 4-gas conduit, the combustion-supporting blast tube of 5-, 6-is petticoat pipe fixedly; The 7-movable gas hood, the 8-converter, the 9-flue, the 11-water sealed tank, 21-carries out push-pull rod; The 22-valve plate, 23-baffle plate, 24-roller, 25-guide rail, 26-heat insulating mattress.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described, but never in any form the utility model is limited,, all belong to the protection domain of the utility model based on any change or the improvement that the utility model training centre is done.
As shown in Figure 1; The utility model comprises flue state converter 1, topworks 2 and purges combustion unit 3; Described flue state converter 1 is arranged at fixedly petticoat pipe 6 tops of converter flue 9; Described flue state converter 1 top flue 9 outer setting purge combustion unit, and are communicated with flue 9 internal works.
Like Fig. 2, shown in Figure 3; Described flue state converter 1 is a case structure; Wherein be provided with and split the embedded groove type sealed valve; Outside the described flue state converter 1 topworks 2 is set, the push-pull rod 21 of topworks 2 connects valve plates 22, and valve plate 22 two ends are provided with roller 24 and cooperate realization valve plate slide opening and closing with guide rail 25.In the described both sides valve plate 22 butt joint caulking grooves gasket is set.
Described flue state converter 1 bottom is a water sealed tank 11.
Described valve plate 22 sides are provided with baffle plate 23, and the lower end is stretched in the water sealed tank 11.
Between described water sealed tank 11 and the flue state converter 1 heat insulating mattress 26 is set, described heat insulating mattress 26 is gas cloud or thermal insulating filling layer, all can realize the purpose of the utility model.
Sealing movingly between described push-pull rod 21 and the flue state converter 1; Described topworks 2 is electronic, pneumatic, electromagnetism or fluid pressure type topworks, or chain transmission type topworks, all can realize the purpose of the utility model.
As shown in Figure 4, described purging combustion unit 3 is symmetricly set in the gas approach end of flue gas gasification cooling flue, and its blast tube is communicated with the flue internal work along circle tangential direction in the flue.
Described purging combustion unit 3 is the slit type gas burner, and gas conduit 4 and combustion-supporting blast tube 5 are set on the described purging combustion unit 3; Described gas conduit 4 links to each other with the gas supply pipe road.The alternate passage through separately of coal gas and combustion air gets into the flue gas gasification cooling flue, and the accumulation of heat high temperature of the flue state converter 1 that is provided with through its below is as the burning things which may cause a fire disaster of a coal gas, mixed firing.
Described gas conduit 4 is provided with the variable valve and the non-return quick-closing valve of gas flow.
On the described combustion-supporting blast tube 5 volume damper and trip valve are set.
Described gas conduit 4 is respectively equipped with nitrogen interface with combustion-supporting blast tube 5.
Described gas conduit 4 is provided with the variable valve and the non-return quick-closing valve of gas flow.
On the described combustion-supporting blast tube 5 volume damper and trip valve are set.
Be respectively equipped with nitrogen interface on described gas conduit 4 and the combustion-supporting blast tube 5.
The quantity of described purging combustion unit 2 is 4 ~ 8, and the power of each burner is equal to or less than 5000kw.According to the power of system confirm the number of burner, gas burner be distributed in gasification cooling flue gas approach end around.Burner is cast with heat resisting iron and is formed.
Principle of work of the utility model and working process:
The utility model device and process for making interlocking, in the process that movable gas hood is fallen, this device is progressively opened and is made converter and converter gas recycle device UNICOM carry out converter gas purification and heat energy recycle.Steel-making end oxygen is robbed and is mentioned, and movable gas hood rises to interlock simultaneously progressively closes converter gas recycle device access road, and cut-out converter gas use device is got in touch with the external world, so that converter gas purification and heat energy recycle device are converted into gas fired-boiler.The utility model rises and closes along with movable gas hood, cuts off converter gas recycle device and extraneous getting in touch, and extraneous freezing air can't get into the converter gas purification retrieving arrangement.Because the condition of high temperature in the heat accumulation effect holdout device of flap, freezing air that gas burner is sent into and coal gas run into high temp objects and burn immediately to guarantee switching point pyrogene merit each time.Steel-making beginning oxygen rifle whereabouts movable gas hood descends simultaneously, and the utility model flap is opened thereupon, makes converter and converter gas recycle device UNICOM to accomplish this device by the boiler operatiopn state, recycles the conversion of running status to converter gas.
The high-temperature flue gas heat energy that reclaims the converter steelmaking generation produces steam also as the work energy of turbo-generator, perhaps is used for civilian or other purposes.But the operating mode of converter steelmaking is intermittently, discontinuous work; Naturally the steam that reclaims the heat energy generation also is step, and steam turbine power generation, and even electricity consumption then requires intermittently not provide; Continuous operation mode, both do not match, and will cause energy utilization insufficient; The problem that productive efficiency descends, and problem such as the energy recovery of discontinuous operation pattern is also insufficient, and pollutant emission is not up to standard.The utility model can solve the converter conversion of operation state, has realized uninterrupted heat energy utilization problem.Converter gets into the blowing process; Control topworks opens the flue state converter, and fixedly the flue of petticoat pipe top is in unimpeded state; The high-temperature flue gas that steel-making produces gets into energy recovery and gas recovery system through flue, and thermal power transfer is that steam is used for steam turbine power generation; Qualified coal gas is sent into the subsequent use or direct supply of gas holder storage and is used to the user.Work as finishing blowing, be i.e. during converter blowing out, do not have high-temperature flue gas to produce, vapor generation stops, and turbine does not have steam yet and can not generate electricity.Utilize the flue state converter of the utility model to isolate the converter burner hearth; Simultaneously, act as a fuel to purging combustion unit supply coal gas, simultaneously blowing-in and combustion-supporting; The high-temperature flue gas that gas-fired produces carries out height to system and states purging; The cleaning work flue for the preparation of working well of next blowing process, is enhanced productivity.High-temperature flue gas heat energy is recovered utilization equally, continues to produce the steam of steam supply turbine generating, has guaranteed the non-stop run of turbine.After the waste gas heat exchange cooling dedusting that gas-fired produces by smoke stack emission.When treating that the next blowing process arrives, stop to supply with coal gas to purging combustion unit, out-of-blast.The flue state converter is opened, and it is unobstructed that flue recovers, and converter gets into the blowing process, so circulation, and the system that guaranteed produces the stable steam that is used to generate electricity continuously.
Claims (10)
1. a steel-making converter is realized the state converter that uninterrupted heat energy output utilizes; Comprise flue state converter (1) and purge combustion unit (3); It is characterized in that: described flue state converter (1) is arranged at fixedly petticoat pipe (6) top of converter flue (9); Described flue state converter (1) top flue (9) outer setting purges combustion unit (3), and is communicated with flue (9) internal work.
2. steel-making converter as claimed in claim 1 is realized the state converter that uninterrupted heat energy output utilizes; It is characterized in that: described flue state converter (1) is a case structure; Wherein be provided with and split the embedded groove type sealed valve; The outer topworks (2) that is provided with of described flue state converter (1), the push-pull rod (21) of topworks (2) connects valve plate (22), and valve plate (22) two ends are provided with roller (24) and cooperate realization valve plate slide-open with guide rail (25) and close.
3. steel-making converter as claimed in claim 1 is realized the state converter that uninterrupted heat energy output utilizes, and it is characterized in that: described flue state converter (1) bottom is water sealed tank (11).
4. steel-making converter as claimed in claim 2 is realized the state converter that uninterrupted heat energy output utilizes, and it is characterized in that: described valve plate (22) side is provided with baffle plate (23), and the lower end is stretched in the water sealed tank (11).
5. realize the state converter that uninterrupted heat energy output utilizes like claim 2 or 4 described steel-making converters, it is characterized in that: sealing movingly between described push-pull rod (21) and the flue state converter (1).
6. steel-making converter as claimed in claim 1 is realized the state converter that uninterrupted heat energy output utilizes; It is characterized in that: described purging combustion unit (3) is symmetricly set in the gas approach end of flue gas gasification cooling flue, and its blast tube is communicated with the flue internal work along circle tangential direction in the flue.
7. realize the state converter that uninterrupted heat energy output utilizes like claim 1 or 6 described steel-making converters, it is characterized in that: described purging combustion unit (3) is the slit type gas burner; Gas conduit (4) and combustion-supporting blast tube (5) are set on the described purging combustion unit (3).
8. steel-making converter as claimed in claim 7 is realized the state converter that uninterrupted heat energy output utilizes, and it is characterized in that: described gas conduit (4) is provided with the variable valve and the non-return quick-closing valve of gas flow.
9. steel-making converter as claimed in claim 7 is realized the state converter that uninterrupted heat energy output utilizes, and it is characterized in that: on the described combustion-supporting blast tube (5) volume damper and trip valve are set.
10. steel-making converter as claimed in claim 7 is realized the state converter that uninterrupted heat energy output utilizes, and it is characterized in that: be respectively equipped with nitrogen interface on described gas conduit (4) and the combustion-supporting blast tube (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200734656U CN202482344U (en) | 2012-03-01 | 2012-03-01 | State conversion device for realizing utilization of uninterrupted heat energy output of steelmaking converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200734656U CN202482344U (en) | 2012-03-01 | 2012-03-01 | State conversion device for realizing utilization of uninterrupted heat energy output of steelmaking converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202482344U true CN202482344U (en) | 2012-10-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200734656U Expired - Lifetime CN202482344U (en) | 2012-03-01 | 2012-03-01 | State conversion device for realizing utilization of uninterrupted heat energy output of steelmaking converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202482344U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102559991A (en) * | 2012-03-01 | 2012-07-11 | 九源天能（北京）科技有限公司昆明分公司 | State transition device capable of achieving uninterrupted heat energy output and utilization for steelmaking converter |
-
2012
- 2012-03-01 CN CN2012200734656U patent/CN202482344U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102559991A (en) * | 2012-03-01 | 2012-07-11 | 九源天能（北京）科技有限公司昆明分公司 | State transition device capable of achieving uninterrupted heat energy output and utilization for steelmaking converter |
| CN102559991B (en) * | 2012-03-01 | 2013-10-09 | 九源天能（北京）科技有限公司昆明分公司 | State transition device capable of achieving uninterrupted heat energy output and utilization for steelmaking converter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SINOWISE (BEIJING) ENERGY TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: KUNMING BRANCH COMPANY, SINOWISE (BEIJING) TECHNOLOGY CO., LTD. Effective date: 20131022 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 650020 KUNMING, YUNNAN PROVINCE TO: 100085 HAIDIAN, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20131022 Address after: 100085, Beijing, Haidian District Qinghe East Jiayuan, building 841, room 1 Patentee after: Unimax day (Beijing) Energy Technology Co. Ltd Address before: 650020, room 17, 1307 Yinhai area, China World Trade Center center, Kunming, Yunnan Patentee before: Unimax day (Beijing) Technology Co., Ltd. Kunming branch |
|
| CX01 | Expiry of patent term |
Granted publication date: 20121010 |
|
| CX01 | Expiry of patent term |