CN102562189B - Low-pressure saturated steam recycling equipment - Google Patents
Low-pressure saturated steam recycling equipment Download PDFInfo
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- CN102562189B CN102562189B CN201210066341.XA CN201210066341A CN102562189B CN 102562189 B CN102562189 B CN 102562189B CN 201210066341 A CN201210066341 A CN 201210066341A CN 102562189 B CN102562189 B CN 102562189B
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Abstract
The invention discloses low-pressure saturated steam recycling equipment, which includes a heat accumulator, a steam drum and a steam turbine, wherein the heat accumulator is communicated with a high-pressure section of the steam turbine, so as to provide first low-pressure saturated steam for the high-pressure section of the steam turbine; the steam drum is communicated with a low-pressure section of the steam turbine, so as to provide second low-pressure saturated steam for the low-pressure section of the steam turbine; and the pressure and temperature of the first low-pressure saturated steam are both higher than those of the second low-pressure saturated steam. According to the low-pressure saturated steam recycling equipment disclosed by the invention, the first low-pressure saturated steam is conveyed to the high-pressure section of the steam turbine by the heat accumulator, the second low-pressure saturated steam is conveyed to the low-pressure section of the steam turbine by the steam drum, the first low-pressure saturated steam is mixed with the second low-pressure saturated steam after acting in the steam turbine for a period, and the first low-pressure saturated steam and the second low-pressure saturated steam continues acting after mixing, so that the continuous and stable running of the steam turbine is facilitated, and meanwhile the low-pressure saturated steam at different pressure and temperature levels are fully utilized.
Description
Technical field
The present invention relates to Steam Recovery and utilize technical field, particularly relate to a kind of low-pressure saturated steam recycling equipment.
Background technique
Steel works can go out a large amount of low-pressure saturated steams by by-product in process of production, the hypotony of the low-pressure saturated steam that these by-products go out and there is higher water content, belong to low-grade saturated vapour resource, usually directly utilize its heat energy to carry out heating or process steam.But because steel works significantly reduced with vapour load in summer, the low-pressure saturated steam that this part by-product goes out uses nowhere to be had to be discharged in air, wastes wherein utilizable heat energy.Along with the promotion of China's energy-saving and emission-reduction policy, steel works starts the recycling paying attention to this part low-pressure saturated steam, mainly the low-pressure saturated steam of recovery is flowed to steam turbine at present, for steam turbine acting, in prior art, usually adopt following two kinds of modes.
First a kind of mode is overheated for adopting band afterburning overhead steam boiler to carry out low-pressure saturated steam, becomes high-grade superheated vapor, then superheated vapor is flowed to steam turbine for steam turbine acting.The second way is that the low-pressure saturated steam of different pressures grade is adjusted to same pressure rating, the interior saturated Turbo-generator Set of reheat type that dehumidifies of machine of delivering to generates electricity.
But the mode of above-mentioned two kinds of low-pressure saturated steams utilizing by-product to go out also exists respective shortcoming all respectively.
In first kind of way, employing band afterburning overhead steam boiler carries out overheated major defect to low-pressure saturated steam and is: employ afterburning steam superheater, add the operation maintenance amount of whole system and extra fuel consumption, and because the efficiency of utilization of afterburning steam superheater is lower, the utilization ratio of fuel also can be reduced.
For the second way, by the major defect that the low-pressure saturated steam of different pressures grade is adjusted to same level of pressure be: need to adjust each operation in system, have impact on operation operation, reduce the energy grade of the low-pressure saturated steam with elevated pressures, and then reduce the cascade utilization rate of the energy.In addition, this mode also can make the low-pressure saturated steam of lower pressure can not realize recycling; On the other hand, also need to change steam turbine, steam reheater is set between stage, add the cost of production of steam turbine and the complexity of manufacture.
Therefore, a kind of low-pressure saturated steam recycling equipment is needed, to solve problems of the prior art.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the invention provides a kind of low-pressure saturated steam recycling equipment, comprise thermal accumulator, drum and steam turbine, wherein, described thermal accumulator is communicated with the high pressure section of described steam turbine, provides the first low-pressure saturated steam with the described high pressure section to described steam turbine; Described drum is communicated with the low pressure stage of described steam turbine, provides the second low-pressure saturated steam with the described low pressure stage to described steam turbine, and the pressure and temperature of described first low-pressure saturated steam is all higher than described second low-pressure saturated steam.
Preferably, the described high pressure section of described steam turbine and the inlet of described low pressure stage are provided with quick-closing valve.
Preferably, pipeline between described drum and the described low pressure stage of described steam turbine is provided with saturated vapour mixing arrangement, described saturated vapour mixing arrangement is also communicated with described thermal accumulator, overheated for making described first low-pressure saturated steam of a part carry out described second low-pressure saturated steam in described saturated vapour mixing arrangement, and the mixing low-pressure saturated steam of the two is delivered to the described low pressure stage of described steam turbine.
Preferably, the pipeline between described thermal accumulator and described saturated vapour mixing arrangement is provided with flow control valve, for regulating the vapour amount being delivered to described saturated vapour mixing arrangement.
Preferably, described saturated vapour mixing arrangement is separator.
Preferably, the pipeline between described thermal accumulator and the described high pressure section of described steam turbine is provided with steam-water separator.
Preferably, described low-pressure saturated steam recycling equipment also comprises the condenser system be connected with the steam-expelling port of described steam turbine, and described condenser system comprises: vapour condenser, and described vapour condenser is communicated with the described steam-expelling port of described steam turbine; Cooling tower, described cooling tower is communicated with described vapour condenser by cooling waterpump, for providing required cooling water for described vapour condenser; Condensate water tank, described condensate water tank is communicated with described vapour condenser by condensate pump, for collecting water of condensation; And waterback pump, described waterback pump is communicated with described condensate water tank, for described water of condensation is delivered to water supply system.
Preferably, pipeline between described drum and the described low pressure stage of described steam turbine is provided with separator, described separator is also communicated with described thermal accumulator, overheated for making described first low-pressure saturated steam of a part carry out described second low-pressure saturated steam in described separator, and the mixing low-pressure saturated steam of the two is delivered to the described low pressure stage of described steam turbine, described separator is also communicated with described condensate water tank, is delivered to described condensate water tank with the water of condensation be isolated out.
Preferably, the pipeline between described thermal accumulator and the described high pressure section of described steam turbine is provided with steam-water separator, described steam-water separator is also communicated with described condensate water tank, is delivered to described condensate water tank with the water of condensation be isolated out.
Preferably, described steam turbine is connected with generator, to drive described generator.
Preferably, the steam-expelling port of described thermal accumulator and/or the steam-expelling port place of described drum are provided with pressure regulator valve.
Preferably, described thermal accumulator is provided with the steam inlet for being communicated with converter, for receiving the low-pressure saturated steam that described converter by-product goes out, described drum is provided with the steam inlet for being communicated with oven and/or shaft furnace, for receiving the low-pressure saturated steam that described oven and/or described shaft furnace by-product go out.
According to low-pressure saturated steam recycling equipment of the present invention, by thermal accumulator to the high pressure section discharge pressure of steam turbine and all higher the first low-pressure saturated steam of temperature, by drum to the low pressure stage discharge pressure of steam turbine and all lower the second low-pressure saturated steam of temperature, this just makes the first low-pressure saturated steam do work in steam turbine after a period of time can to converge with the second low-pressure saturated steam, the mixing low-pressure saturated steam of the two continues acting, contribute to the continous-stable running of steam turbine, the simultaneously also abundant low-pressure saturated steam that make use of different pressures temperature grade.
In summary of the invention part, introduce the concept of a series of reduced form, this will further describe in embodiment part.Content part of the present invention does not also mean that the key feature and essential features that will attempt to limit technological scheme required for protection, does not more mean that the protection domain attempting to determine technological scheme required for protection.
Below in conjunction with accompanying drawing, describe advantages and features of the invention in detail.
Accompanying drawing explanation
Fig. 1 is the composition schematic diagram of the low-pressure saturated steam recycling equipment according to the present invention's embodiment.
Embodiment
In the following description, a large amount of concrete details is given to provide more thorough understanding of the invention.But, it will be apparent to one skilled in the art that the present invention can be implemented without the need to these details one or more.In other example, in order to avoid obscuring with the present invention, technical characteristicss more well known in the art are not described.
In order to thoroughly understand the present invention, by following description, detailed structure is proposed.Obviously, execution of the present invention is not limited to the specific details that those skilled in the art has the knack of.Preferred embodiment of the present invention is described in detail as follows, but except these are described in detail, the present invention can also have other mode of executions.
The invention discloses a kind of low-pressure saturated steam recycling equipment, as shown in Figure 1, mainly comprise thermal accumulator 10, drum 30 and steam turbine 50, wherein, the high pressure section of thermal accumulator 10 and steam turbine 50, by pipeline connection, provides the first low-pressure saturated steam by thermal accumulator 10 to the high pressure section of steam turbine 50; The low pressure stage of drum 30 and steam turbine 50, by pipeline connection, provide the second low-pressure saturated steam, and the pressure and temperature of the first low-pressure saturated steam is all higher than the second low-pressure saturated steam by drum 30 to the low pressure stage of steam turbine 50.
The low-pressure saturated steam of different temperatures and pressure is first recovered in thermal accumulator 10 and drum 30 by the present invention's above-mentioned embodiment respectively, and then the first low-pressure saturated steam providing the pressure and temperature after voltage stabilization and current stabilization higher to the high pressure section of steam turbine 50 by thermal accumulator 10, the second low-pressure saturated steam providing pressure and temperature lower to the low pressure stage of steam turbine 50 by drum 30.Particularly, steam inlet can be set on thermal accumulator 10 and drum 30, thermal accumulator 10 is communicated with the converter of steel mill by its steam inlet, receive the low-pressure saturated steam that converter by-product goes out, drum 30 is communicated with by the oven of its steam inlet and steel mill and/or shaft furnace, the low-pressure saturated steam that reception oven and/or shaft furnace by-product go out.Usually, the low-pressure saturated steam that pressure and temperature is higher than oven, shaft furnace by-product goes out of low-pressure saturated steam that goes out of converter by-product.The pressure of the second low-pressure saturated steam that the first low-pressure saturated steam exported to regulate thermal accumulator 10 and/or drum 30 export, can simultaneously at the steam-expelling port place setting pressure modulating valve 70 of thermal accumulator 10 and drum 30, also can only at one of them steam-expelling port place setting pressure modulating valve 70 of thermal accumulator 10 and drum 30.
First low-pressure saturated steam just starts acting after entering the high pressure section of steam turbine 50, can converge with the second low-pressure saturated steam when the first low-pressure saturated steam flow to the low pressure stage of steam turbine 50, now the two is mixed into one low-pressure saturated steam continuation acting, to maintain the steady running of steam turbine 50.Visible, in this specific embodiment, the low-pressure saturated steam of different pressures and temperature grade can both be utilized, and achieves making full use of of low-pressure saturated steam.Steam turbine 50 works can be used for the equipment such as the various pump of Direct driver, compressor and blower fan.In addition, in a preferred embodiment of the present invention, steam turbine 50 is connected with generator 90, drives generator 90 to generate electricity, think that the miscellaneous equipment in production process provides electric energy.
For the consideration of production safety, in order to avoid steam turbine 50 first and second low-pressure saturated steams when breaking down still enter from the high pressure section of steam turbine 50 and low pressure stage respectively, the fault of aggravation steam turbine 50, therefore quick-closing valve 20 is respectively arranged with at the high pressure section of steam turbine 50 and the inlet of low pressure stage, quick-closing valve 20 can cut off the conveying to steam turbine 50 of the first low-pressure saturated steam and the second low-pressure saturated steam immediately when steam turbine 50 breaks down, guarantee that steam turbine 50 avoids being subject to further infringement, again the running of normal table can be recovered after failture evacuation.
According to above-mentioned embodiment, the low-pressure saturated steam of different temperatures and pressure is fully utilized.But under normal circumstances, low-pressure saturated steam can carry a certain amount of moisture, and because low pressure ensures that steam self property determined, it is easier in conveying and acting process liquefies because pressure reduces, and the temperature and pressure of saturated vapour is lower, and this phenomenon is more obvious.If this low-pressure saturated steam enters steam turbine 50 can reduce final stage steam quality in steam turbine 50, the blade of steam turbine 50 can be caused to produce water erosion and shorten the working life of steam turbine 50.
Therefore, preferably, on the basis of above-mentioned embodiment, in low-pressure saturated steam recycling equipment of the present invention, saturated vapour mixing arrangement 40 is increased.On pipeline between the low pressure stage that this saturated vapour mixing arrangement 40 is arranged on drum 30 and steam turbine 50, and be communicated with thermal accumulator 10, for the first higher for a part of moderate pressure low-pressure saturated steam is incorporated into second low-pressure saturated steam lower to pressure and temperature in vapor mixing device 40 carry out overheated.Micro-the second overheated low-pressure saturated steam is delivered to the low pressure stage of steam turbine 50 after mixing with this part first low-pressure saturated steam.It is overheated to be undertaken by the second low-pressure saturated steam that a part for serviceability temperature and higher the first low-pressure saturated steam of pressure is lower to temperature and pressure, the mass dryness fraction of final stage saturated vapour in steam turbine 50 can be significantly improved, therefore, alleviate the degree of water erosion of steam turbine 50 end, ensure that steam turbine 50 while steady running, can also extend the working life of steam turbine 50.
Being assigned to the vapour amount in saturated vapour mixing arrangement 40 as the first low-pressure saturated steam, can regulating by the pipeline between thermal accumulator 10 and saturated vapour mixing arrangement 40 being arranged flow control valve 60.And in order to reduce the humidity of low-pressure saturated steam further, preferably, adopt separator to use as saturated vapour mixing arrangement 40, the mass dryness fraction of the mixing low-pressure saturated steam of the low pressure stage being delivered to steam turbine 50 can be improved so further.Contribute to reducing further the degree of water erosion of steam turbine 50 end after this strand of mixing low-pressure saturated steam enters steam turbine 50, advantageously in the steady running of steam turbine 50 and the prolongation in working life.
Mention above, the low-pressure saturated steam entering steam turbine 50 has two strands, and one is the first simple low-pressure saturated steam, and it enters steam turbine 50 from the high pressure section of steam turbine 50; Another strand is the mixing gas of a part of first low-pressure saturated steam and the second low-pressure saturated steam, and it enters steam turbine 50 from the low pressure stage of steam turbine 50.In order to improve the mass dryness fraction of the low-pressure saturated steam entering steam turbine 50, according to an aspect of the present invention, a part of first low-pressure saturated steam can be made to carry out the second low-pressure saturated steam overheated.According to a further aspect of the present invention, separator can also be adopted as saturated vapour mixing arrangement 40 to improve the mass dryness fraction of the mixing low-pressure saturated steam of the low pressure stage being delivered to steam turbine 50 further.Pipeline between thermal accumulator 10 and the high pressure section of steam turbine 50 can also arrange steam-water separator 11 according to another aspect of the present invention, to be used for improving the mass dryness fraction of the first low-pressure saturated steam being delivered to steam turbine 50 specially.Certainly, steam-water separator 11 is do not restrict mutually with the setting of saturated vapour mixing arrangement 40 (being separator further), one in both can only arranging, also can arrange to reach the effect of the mass dryness fraction of more excellent raising low-pressure saturated steam simultaneously.
Low-pressure saturated steam can become exhaust steam and discharge from the steam-expelling port of steam turbine 50 after doing work in steam turbine 50, just can by the heat absorption of exhaust steam to change water of condensation into by connecting condenser system 80 at the steam-expelling port place of steam turbine 50, these water of condensation can be supplied to the water supply system of the converter of steel mill or oven, shaft furnace operation, just can be reached the object of saving water resource by such setting.
Particularly, as shown in Figure 1, condenser system 80 comprises vapour condenser 81, cooling tower 83, condensate water tank 87 and waterback pump 82.This vapour condenser 81 is communicated with the steam-expelling port of steam turbine 50, for receiving the exhaust steam of discharging through steam-expelling port.This cooling tower 83 is communicated with vapour condenser 81 by cooling waterpump 85, and for vapour condenser 81 provides required cooling water, cooling water absorbs the heat in exhaust steam after entering vapour condenser 81, make exhaust steam become liquid water of condensation from steam state.This condensate water tank 87 is communicated with vapour condenser 81 by condensate pump 89, for collecting water of condensation.This waterback pump 82 is communicated with condensate water tank 87, for water of condensation being delivered to the water supply system of the converter of steel mill or oven, shaft furnace operation.
Describe the mass dryness fraction in order to improve low-pressure saturated steam in embodiment before making the present invention and be provided with steam-water separator 11 and/or separator, they can make the portion of water in low-pressure saturated steam depart from from low-pressure saturated steam and be discharged by this part moisture, so the condensate water tank 87 of condenser system 80 can also be used to receive this part moisture.Connection as condensate water tank 87 and steam-water separator 11 and/or separator can be communicated with separator with steam-water separator 11 simultaneously, receive the moisture from the two simultaneously, also can be communicated with the two one of them, receive only the moisture of one of them.Like this be set to whole condenser system 80 provide more can water resources.
According to low-pressure saturated steam recycling equipment of the present invention, by thermal accumulator 10 to the high pressure section discharge pressure of steam turbine 50 and all higher the first low-pressure saturated steam of temperature, by drum 30 to the low pressure stage discharge pressure of steam turbine 50 and all lower the second low-pressure saturated steam of temperature, this just makes the first low-pressure saturated steam do work in steam turbine after a period of time can to converge with the second low-pressure saturated steam, the mixing low-pressure saturated steam of the two continues acting, contribute to the continous-stable running of steam turbine 50, the simultaneously also abundant low-pressure saturated steam that make use of different pressures temperature grade.
The present invention is illustrated by above-described embodiment, but should be understood that, above-described embodiment just for the object of illustrating and illustrate, and is not intended to the present invention to be limited in described scope of embodiments.In addition it will be appreciated by persons skilled in the art that the present invention is not limited to above-described embodiment, more kinds of variants and modifications can also be made according to instruction of the present invention, within these variants and modifications all drop on the present invention's scope required for protection.Protection scope of the present invention defined by the appended claims and equivalent scope thereof.
Claims (9)
1. a low-pressure saturated steam recycling equipment, is characterized in that, comprises thermal accumulator, drum and steam turbine,
Wherein, described thermal accumulator is communicated with the high pressure section of described steam turbine, provides the first low-pressure saturated steam with the described high pressure section to described steam turbine, described drum is communicated with the low pressure stage of described steam turbine, the second low-pressure saturated steam is provided with the described low pressure stage to described steam turbine, and the pressure and temperature of described first low-pressure saturated steam is all higher than described second low-pressure saturated steam, and the described high pressure section of described steam turbine and the inlet of described low pressure stage are provided with quick-closing valve, pipeline between described drum and the described low pressure stage of described steam turbine is provided with saturated vapour mixing arrangement, described saturated vapour mixing arrangement is also communicated with described thermal accumulator, overheated for making described first low-pressure saturated steam of a part carry out described second low-pressure saturated steam in described saturated vapour mixing arrangement, and the mixing low-pressure saturated steam of the two is delivered to the described low pressure stage of described steam turbine, pipeline between described thermal accumulator and described saturated vapour mixing arrangement is provided with flow control valve, for regulating the vapour amount being delivered to described saturated vapour mixing arrangement.
2. according to low-pressure saturated steam recycling equipment according to claim 1, it is characterized in that, described saturated vapour mixing arrangement is separator.
3. according to low-pressure saturated steam recycling equipment according to claim 1, it is characterized in that, the pipeline between described thermal accumulator and the described high pressure section of described steam turbine is provided with steam-water separator.
4. according to low-pressure saturated steam recycling equipment according to claim 1, it is characterized in that, described low-pressure saturated steam recycling equipment also comprises the condenser system be connected with the steam-expelling port of described steam turbine, and described condenser system comprises:
Vapour condenser, described vapour condenser is communicated with the described steam-expelling port of described steam turbine;
Cooling tower, described cooling tower is communicated with described vapour condenser by cooling waterpump, for providing required cooling water for described vapour condenser;
Condensate water tank, described condensate water tank is communicated with described vapour condenser by condensate pump, for collecting water of condensation; And
Waterback pump, described waterback pump is communicated with described condensate water tank, for described water of condensation is delivered to water supply system.
5. according to low-pressure saturated steam recycling equipment according to claim 4, it is characterized in that, described saturated vapour mixing arrangement is separator, and described separator is also communicated with described condensate water tank, is delivered to described condensate water tank with the water of condensation be isolated out.
6. according to low-pressure saturated steam recycling equipment according to claim 4, it is characterized in that, pipeline between described thermal accumulator and the described high pressure section of described steam turbine is provided with steam-water separator, described steam-water separator is also communicated with described condensate water tank, is delivered to described condensate water tank with the water of condensation be isolated out.
7. according to low-pressure saturated steam recycling equipment according to claim 1, it is characterized in that, described steam turbine is connected with generator, to drive described generator.
8. according to low-pressure saturated steam recycling equipment according to claim 1, it is characterized in that, the steam-expelling port of described thermal accumulator and/or the steam-expelling port place of described drum are provided with pressure regulator valve.
9. according to low-pressure saturated steam recycling equipment according to claim 1, it is characterized in that, described thermal accumulator is provided with the steam inlet for being communicated with converter, for receiving the low-pressure saturated steam that described converter by-product goes out, described drum is provided with the steam inlet for being communicated with oven and/or shaft furnace, for receiving the low-pressure saturated steam that described oven and/or described shaft furnace by-product go out.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103470322A (en) * | 2013-08-21 | 2013-12-25 | 江苏凯茂石化科技有限公司 | Formaldehyde process device capable of comprehensively recycling heat energy of byproduct steam |
| CN106948876A (en) * | 2017-02-20 | 2017-07-14 | 湖北大峪口化工有限责任公司 | A kind of sulfuric acid HRS saturated vapor energy cascade utilization devices and method |
| 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 |
| CN109441576B (en) * | 2018-11-12 | 2021-08-10 | 四川德胜集团钒钛有限公司 | Saturated steam power generation system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2779071Y (en) * | 2005-04-06 | 2006-05-10 | 王文君 | Roller way kiln residual heat electricity generating device |
| CN101178017A (en) * | 2007-12-04 | 2008-05-14 | 安庆林 | Method for recycling and regenerating steel plant residual heat boiler saturated steam |
| CN101761364A (en) * | 2009-12-22 | 2010-06-30 | 马鞍山钢铁股份有限公司 | Method for generating electricity by using low-pressure saturated steam |
| CN102003887A (en) * | 2010-11-26 | 2011-04-06 | 中冶赛迪工程技术股份有限公司 | Sintering waste heat utilization system |
| CN202467946U (en) * | 2012-03-14 | 2012-10-03 | 思安新能源股份有限公司 | Low-pressure saturated steam recycling apparatus |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101048078A (en) * | 2004-10-22 | 2007-10-03 | 卡吉尔公司 | Process for the production of maltodextrins, and maltodextrins |
| CN101104807B (en) * | 2007-07-11 | 2010-08-04 | 武汉大学 | Method for synthesizing cadmium selenide quantum dots based on amino acid and polypeptide |
| CN100558912C (en) * | 2007-08-09 | 2009-11-11 | 首钢总公司 | Saturation steam and superheated vapour are mixed for the device that vacuum refining furnace uses |
-
2012
- 2012-03-14 CN CN201210066341.XA patent/CN102562189B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2779071Y (en) * | 2005-04-06 | 2006-05-10 | 王文君 | Roller way kiln residual heat electricity generating device |
| CN101178017A (en) * | 2007-12-04 | 2008-05-14 | 安庆林 | Method for recycling and regenerating steel plant residual heat boiler saturated steam |
| CN101761364A (en) * | 2009-12-22 | 2010-06-30 | 马鞍山钢铁股份有限公司 | Method for generating electricity by using low-pressure saturated steam |
| CN102003887A (en) * | 2010-11-26 | 2011-04-06 | 中冶赛迪工程技术股份有限公司 | Sintering waste heat utilization system |
| CN202467946U (en) * | 2012-03-14 | 2012-10-03 | 思安新能源股份有限公司 | Low-pressure saturated steam recycling apparatus |
Non-Patent Citations (1)
| Title |
|---|
| 烧结余热发电技术及系统的优化分析;肖衍党;《烧结球团》;20110630;第36卷(第3期);（参见第48页、49页，附图2） * |
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