CN203756251U - Generating set capable of utilizing melting steel slag thermal energy - Google Patents
Generating set capable of utilizing melting steel slag thermal energy Download PDFInfo
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- CN203756251U CN203756251U CN201320870964.2U CN201320870964U CN203756251U CN 203756251 U CN203756251 U CN 203756251U CN 201320870964 U CN201320870964 U CN 201320870964U CN 203756251 U CN203756251 U CN 203756251U
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- steel slag
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- 239000002893 slag Substances 0.000 title claims abstract description 54
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 29
- 239000010959 steel Substances 0.000 title claims abstract description 29
- 230000008018 melting Effects 0.000 title 1
- 238000002844 melting Methods 0.000 title 1
- 238000010248 power generation Methods 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 38
- 238000001816 cooling Methods 0.000 claims description 9
- 238000004062 sedimentation Methods 0.000 claims description 4
- 239000006200 vaporizer Substances 0.000 claims 6
- 239000013589 supplement Substances 0.000 claims 3
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 230000037452 priming Effects 0.000 claims 1
- 238000005086 pumping Methods 0.000 claims 1
- 230000036571 hydration Effects 0.000 abstract description 22
- 238000006703 hydration reaction Methods 0.000 abstract description 22
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 8
- 239000002918 waste heat Substances 0.000 abstract description 7
- 229910052742 iron Inorganic materials 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000009466 transformation Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract description 2
- 238000004134 energy conservation Methods 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 238000009835 boiling Methods 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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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
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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- Engine Equipment That Uses Special Cycles (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
一种利用熔融钢渣热能发电装置，通过给闷渣排蒸汽管路上，加设三通和阀门，对蒸汽进行回收。回收后的蒸汽通过加压后水化放热给有机低温介质提供热量，使其汽化进入汽轮机做功，实现低温余热发电效果。对钢渣的热能进行回收和利用，既可以为钢铁企业的节能减排做出贡献，也会为企业创造大量效益。与现有的技术相比，本实用新型的有益效果是：通过对闷渣蒸汽余热的回收和利用实现有机朗肯循环系统低温发电，充分利用钢渣的热能转化为电能，既使钢渣中的热能得到有效利用，符合节能减排的国家政策，同时也会给企业带来可观的经济效益。该系统运行成本低，设备维护简单，可以在现有的闷渣生产线进行改造实现，有很好的推广前景。
A power generation device using molten steel slag thermal energy, by adding a tee and a valve to the steam slag discharge pipeline to recover the steam. The recovered steam provides heat to the organic low-temperature medium through hydration and release heat after pressurization, so that it can be vaporized and enter the steam turbine to do work, so as to realize the low-temperature waste heat power generation effect. Recycling and utilizing the heat energy of steel slag can not only contribute to the energy saving and emission reduction of iron and steel enterprises, but also create a lot of benefits for the enterprises. Compared with the existing technology, the beneficial effect of the utility model is: realize the low-temperature power generation of the organic Rankine cycle system through the recovery and utilization of the waste heat of the stuffy slag steam, and make full use of the heat energy of the steel slag to convert it into electric energy, even if the heat energy in the steel slag Being effectively utilized is in line with the national policy of energy conservation and emission reduction, and will also bring considerable economic benefits to enterprises. The system has low operating cost, simple equipment maintenance, and can be implemented in the existing slag production line through transformation, and has a good promotion prospect.
Description
技术领域technical field
本实用新型涉及一种利用熔融钢渣热能进行发电的装置。The utility model relates to a device for generating electricity by utilizing the thermal energy of molten steel slag.
背景技术Background technique
钢渣热闷法是利用钢渣余热，在有盖的渣坑或容器内喷入冷却水后形成蒸汽，使钢渣膨胀冷缩达到钢渣粉化和渣铁分离的效果。不仅方便回收钢渣中的金属铁，还能使处理后的钢渣安定性得到很大提高，变废为宝，可作为钢渣水泥、钢渣砖等原料。The steel slag hot stuffing method uses the waste heat of steel slag to spray cooling water into a covered slag pit or container to form steam, so that the steel slag expands and contracts with cold to achieve the effect of steel slag pulverization and slag iron separation. Not only is it convenient to recover the metallic iron in the steel slag, but also the stability of the treated steel slag is greatly improved, turning waste into treasure, and can be used as raw materials for steel slag cement, steel slag bricks, etc.
世界上最先进、有效、经济的利用工业低温热能技术是基于有机朗肯循环热力发电系统。有机朗肯循环（简称ORC）低温余热发电技术特点是：不用水作为工作介质，而是使用低沸点的有机物为介质来吸收废气余热汽化，进入汽轮机膨胀做功，如果气态热源温度超过130℃，或者液态热源温度超过50℃，ORC系统就能利用这个低温热源发出有利用价值的电能。The world's most advanced, effective and economical utilization of industrial low-temperature thermal energy technology is based on organic Rankine cycle thermal power generation system. Organic Rankine Cycle (ORC for short) low-temperature waste heat power generation technology is characterized by: instead of using water as the working medium, it uses organic matter with a low boiling point as the medium to absorb the waste heat of waste gas and vaporize it, and enter the steam turbine to expand and do work. If the temperature of the gaseous heat source exceeds 130°C, or When the temperature of the liquid heat source exceeds 50°C, the ORC system can use this low-temperature heat source to generate useful electricity.
炼钢产生的熔融态钢渣在1600℃左右，含有大量热能，目前的闷渣工艺，这部分热能基本被完全浪费，而且还消耗了大量的生产用水。The molten steel slag produced by steelmaking is at about 1600°C and contains a lot of heat energy. In the current stuffy slag process, this part of heat energy is basically completely wasted, and it also consumes a lot of production water.
实用新型内容Utility model content
本实用新型的目的在于提供一种利用熔融钢渣热能发电装置，将钢渣热闷与有机朗肯循环系统结合，在新建的闷渣生产线或在现有闷渣生产线进行改造，通过给闷渣排蒸汽管路上，加设三通和阀门，对蒸汽进行回收。回收后的蒸汽通过加压后水化放热给有机低温介质提供热量，使其汽化进入汽轮机做功，实现低温余热发电效果。对钢渣的热能进行回收和利用，既可以为钢铁企业的节能减排做出巨大贡献，同时也会为企业创造大量效益。The purpose of this utility model is to provide a power generation device utilizing molten steel slag thermal energy, which combines steel slag hot stuffing with an organic Rankine cycle system, transforms a newly built stuffing slag production line or an existing stuffing slag production line, and discharges steam to the stuffing slag On the pipeline, a tee and a valve are added to recover the steam. The recovered steam provides heat to the organic low-temperature medium through hydration and release heat after pressurization, so that it can be vaporized and enter the steam turbine to do work, so as to realize the low-temperature waste heat power generation effect. Recycling and utilizing the heat energy of steel slag can not only make a huge contribution to the energy saving and emission reduction of iron and steel enterprises, but also create a lot of benefits for the enterprise.
为实现上述目的，本实用新型采用以下技术方案实现：In order to achieve the above object, the utility model adopts the following technical solutions:
一种利用熔融钢渣热能发电装置，包括闷渣装置、蒸汽收集管道、引风机、烟筒、蒸汽加压风机、中水补充管路、工质冷却池、工质冷凝器、冷凝器回水管、平流沉淀池、吸水池、供水泵房、蒸发器回水管、工质蒸发器、蒸汽水化池、蒸汽水化排管、工质加压泵、透平发电机组，其特征在于，所述的蒸汽收集管道出口通过三通左侧与引风机连接，右侧与蒸汽加压风机连接，引风机与烟筒连接；蒸汽加压风机通过管路与蒸汽水化池连接，蒸汽水化排管设置在蒸汽水化池下部，蒸汽水化池出水口与工质蒸发器连接，工质蒸发器通过蒸发器回水管道与闷渣供水泵站连接，中水补充管路通过管线与蒸汽水化池进水口连接，中水补充管路与工质冷却池连接，工质蒸发器与透平发电机组连接，工质冷凝器与透平发电机组连接。A power generation device using molten steel slag thermal energy, including a slag stuffing device, a steam collection pipe, an induced draft fan, a chimney, a steam pressurization fan, a reclaimed water replenishment pipeline, a working medium cooling pool, a working medium condenser, a condenser return pipe, and an advection Sedimentation tank, water suction tank, water supply pump room, evaporator return pipe, working medium evaporator, steam hydration tank, steam hydration pipe, working medium booster pump, turbine generator set, characterized in that the steam The outlet of the collection pipe is connected to the induced draft fan on the left side through a tee, the steam pressurized fan is connected to the right side, and the induced draft fan is connected to the chimney; the steam pressurized fan is connected to the steam hydration tank through the pipeline, and the steam hydration pipe is set In the lower part of the hydration tank, the outlet of the steam hydration tank is connected to the working fluid evaporator, the working fluid evaporator is connected to the slag water supply pump station through the evaporator return pipe, and the reclaimed water replenishment pipeline is connected to the water inlet of the steam hydration tank through pipelines Connection, the reclaimed water replenishment pipeline is connected with the working medium cooling pool, the working medium evaporator is connected with the turbogenerator set, and the working medium condenser is connected with the turbogenerator set.
与现有的技术相比，本实用新型的有益效果是：Compared with the prior art, the beneficial effects of the utility model are:
通过对闷渣蒸汽余热的回收和利用实现ORC低温发电，充分利用钢渣的热能转化为电能，既使钢渣中的热能得到有效利用，符合节能减排的国家政策，同时也会给企业带来可观的经济效益。该系统运行成本低，设备维护简单，可以在现有的闷渣生产线进行改造实现，有很好的推广前景。Realize ORC low-temperature power generation by recovering and utilizing the waste heat of stuffy slag steam, and make full use of the heat energy of steel slag to convert it into electric energy. Even if the heat energy in steel slag is effectively utilized, it is in line with the national policy of energy saving and emission reduction, and it will also bring considerable benefits to the enterprise. economic benefits. The system has low operating cost, simple equipment maintenance, and can be implemented in the existing slag production line through transformation, and has a good promotion prospect.
附图说明Description of drawings
图1是本实用新型的结构图。Fig. 1 is a structural diagram of the utility model.
1-闷渣装置2-蒸汽收集管道3-引风机4-烟筒5-蒸汽加压风机6-中水补充管路7-工质冷却池8-工质冷凝器9-冷凝器回水管10-平流沉淀池11-吸水池12-供水泵房13-蒸发器回水管14-工质蒸发器15-蒸汽水化池16-蒸汽水化排管17-工质加压泵18-透平发电机组1-slag stuffing device 2-steam collection pipe 3-induced fan 4-chimney 5-steam pressurized fan 6-reclaimed water replenishment pipeline 7-working medium cooling pool 8-working medium condenser 9-condenser return pipe 10- Advection sedimentation tank 11-suction tank 12-water supply pump room 13-evaporator return pipe 14-working medium evaporator 15-steam hydration tank 16-steam hydration pipe 17-working medium booster pump 18-turbine generator set
具体实施方式Detailed ways
下面结合附图对本实用新型的具体实施方式进一步说明：The specific embodiment of the utility model is further described below in conjunction with accompanying drawing:
如图1所示，一种利用熔融钢渣热能发电装置，由闷渣装置1、蒸汽收集管道2、引风机3、烟筒4、蒸汽加压风机5、中水补充管路6、工质冷却池7、工质冷凝器8、冷凝器回水管9、平流沉淀池10、吸水池11、供水泵房12、蒸发器回水管13、工质蒸发器14、蒸汽水化池15、蒸汽水化排管16、工质加压泵17和透平发电机组18组成，所述的蒸汽收集管道2出口通过三通左侧与引风机3连接，右侧与蒸汽加压风机5连接，引风机3与烟筒4连接；蒸汽加压风机5通过管路与蒸汽水化池15连接，蒸汽水化排管16设置在蒸汽水化池15下部，蒸汽水化池15出水口与工质蒸发器14连接，工质蒸发器14通过蒸发器回水管道13与闷渣供水泵站12连接，中水补充管路6通过管线与蒸汽水化池15进水口连接，中水补充管路6与工质冷却池7连接，工质蒸发器14与透平发电机组连接，工质冷凝器与透平发电机组连接。As shown in Figure 1, a thermal power generation device using molten steel slag consists of a stuffy slag device 1, a steam collection pipe 2, an induced draft fan 3, a chimney 4, a steam pressurized fan 5, a reclaimed water replenishment pipeline 6, and a working medium cooling pool 7. Working medium condenser 8, condenser return pipe 9, advection sedimentation tank 10, water suction tank 11, water supply pump room 12, evaporator return pipe 13, working medium evaporator 14, steam hydration pool 15, steam hydration row Tube 16, working fluid booster pump 17 and turbine generator set 18, the outlet of the steam collection pipe 2 is connected to the induced draft fan 3 on the left side through a tee, and connected to the steam pressurized fan 5 on the right side, and the induced draft fan 3 is connected to the The chimney 4 is connected; the steam pressurized fan 5 is connected to the steam hydration tank 15 through pipelines, the steam hydration pipe 16 is arranged at the lower part of the steam hydration tank 15, and the outlet of the steam hydration tank 15 is connected to the working medium evaporator 14, The working fluid evaporator 14 is connected to the slag water supply pump station 12 through the evaporator return water pipeline 13, the reclaimed water replenishment pipeline 6 is connected to the water inlet of the steam hydration tank 15 through pipelines, and the reclaimed water replenishment pipeline 6 is connected to the working medium cooling pool 7, the working fluid evaporator 14 is connected to the turbogenerator set, and the working fluid condenser is connected to the turbogenerator set.
利用熔融钢渣热能发电的方法，是钢渣热闷与有机朗肯循环系统结合，对钢渣的热能进行回收和利用，具体操作步骤如下：The method of using molten steel slag thermal energy to generate electricity is the combination of steel slag thermal stuffiness and organic Rankine cycle system to recover and utilize the thermal energy of steel slag. The specific operation steps are as follows:
1）闷渣装置产生的蒸汽通过蒸汽收集管道2收集，在蒸汽收集管道2上加装三通和阀门，形成两路蒸汽通道，一路经阀门导入引风机3经烟筒4排入大气，另一路经阀门送入蒸汽加压风机5，加压后排入蒸汽水化池15的蒸汽水化排管16；1) The steam generated by the stuffy slag device is collected through the steam collection pipe 2, and a tee and a valve are installed on the steam collection pipe 2 to form two steam channels. Send into the steam pressurization fan 5 through the valve, and discharge into the steam hydration pipe 16 of the steam hydration tank 15 after pressurization;
2）经过蒸汽水化池15的水通过管路送入工质蒸发器14，工质蒸发器14将水通过蒸发器回水管道13连接到闷渣供水泵站12；2) The water passing through the steam hydration tank 15 is sent to the working medium evaporator 14 through the pipeline, and the working medium evaporator 14 connects the water to the slag water supply pump station 12 through the evaporator return pipe 13;
3）工质冷却池7入水口连接中水补充管路6，工质冷却池7出水口经冷凝器回水管9连接闷渣供水泵站；3) The water inlet of the working medium cooling pool 7 is connected to the reclaimed water supply pipeline 6, and the water outlet of the working medium cooling pool 7 is connected to the slag water supply pump station through the condenser return pipe 9;
4)有机工质在工质冷凝器8中冷凝经过工质加压泵17回到工质蒸发器14中，回收后的蒸汽通过加压后水化放热给有机低温介质提供热量，利用钢渣的热能转化为电能，有机工质在蒸发器14中蒸发并通过透平发电机组18进行发电。4) The organic working medium is condensed in the working medium condenser 8 and returned to the working medium evaporator 14 through the working medium booster pump 17, and the recovered steam provides heat for the organic low-temperature medium through hydration after pressurization, and utilizes steel slag The thermal energy is converted into electrical energy, and the organic working medium is evaporated in the evaporator 14 and then generated through the turbogenerator unit 18 to generate electricity.
在闷渣排蒸汽管道上加设三通和阀门回收闷渣蒸汽，闷渣过程产生的蒸汽通过加压给有机朗肯循环系统有机工质提供热能，使之蒸发用于发电，蒸法器回水和冷凝器回水接入闷渣供水，不增加生产用水量，既可以配套新建闷渣生产线，也可在原有闷渣生产线改造实现，不影响生产。A tee and a valve are added to the slag discharge steam pipeline to recover the slag steam. The steam generated in the slag process is pressurized to provide heat energy to the organic working medium in the organic Rankine cycle system, so that it can be evaporated for power generation, and the steamer returns The water and the return water of the condenser are connected to the slag water supply without increasing the production water consumption. It can be matched with the new slag production line or the transformation of the original slag production line without affecting production.
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| CN201320870964.2U CN203756251U (en) | 2013-12-25 | 2013-12-25 | Generating set capable of utilizing melting steel slag thermal energy |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103696817A (en) * | 2013-12-25 | 2014-04-02 | 鞍山钢铁集团公司 | Power generating device and method using melting slag heat energy |
| CN104533557A (en) * | 2014-11-19 | 2015-04-22 | 鞍山钢铁集团公司矿渣开发公司 | Method for generating electricity through recovering metallurgical slag afterheat |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103696817A (en) * | 2013-12-25 | 2014-04-02 | 鞍山钢铁集团公司 | Power generating device and method using melting slag heat energy |
| CN103696817B (en) * | 2013-12-25 | 2015-04-29 | 鞍山钢铁集团公司 | Power generating device and method using melting slag heat energy |
| CN104533557A (en) * | 2014-11-19 | 2015-04-22 | 鞍山钢铁集团公司矿渣开发公司 | Method for generating electricity through recovering metallurgical slag afterheat |
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