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燃煤发电机组锅炉余热使用探讨

返回 2021.12.31 来源:http://www.huannengpower.com
1、发电机组加装板式换热器。板式换热器A 加装在发电机组油冷却系统中,高温冷却油由板式换热器A1 角孔流入,冷水由A3角孔进入板式换热器,进行热交换后,低温冷却油从A2 角孔回流到发电机组,温水由A4 角孔流入板式换热器B;板式换热器B 加装在发电机组水冷却系统上,高温冷却水由角孔B1 流入板式换热器,与进入板式换热器B 的温水进行热交换后回流到发电机组,热水由B4 角孔流出。经过热交换,由A3 角孔进入的常温水,从B4 角孔流出后温度在75 ~80 ℃。
1. The generator set is equipped with plate heat exchanger. The plate heat exchanger a is installed in the oil cooling system of the generator set. The high-temperature cooling oil flows into the plate heat exchanger from the A1 corner hole, the cold water enters the plate heat exchanger from the A3 corner hole, and after heat exchange, the low-temperature cooling oil flows back to the generator set from the A2 corner hole, and the warm water flows into the plate heat exchanger B from the A4 corner hole; Plate heat exchanger B is installed on the water cooling system of the generator set. The high-temperature cooling water flows into the plate heat exchanger from corner hole B1, exchanges heat with the warm water entering plate heat exchanger B, and then flows back to the generator set, and the hot water flows out from corner hole B4. After heat exchange, the temperature of normal temperature water entering from A3 corner hole and flowing out from B4 corner hole is 75 ~ 80 ℃.
2、供水管路设计。矿井高位水池通过闸阀12 向瓦斯发电机组冷却水池供冷水,冷却水池内冷水流向发电机组板式换热器加热,然后通过闸阀1 流入加装保温棉的保温水箱内。在热水使用低峰期可通过闸阀2、闸阀3流向冷却水塔,对热水冷却降温,然后循环使用。当保温水箱内水温降低时,可通过闸阀5 将低温水回流到冷却水池。正常用水时,关闭闸阀13,打开管道泵两端闸阀,打开闸阀14 及水箱入口闸阀,使用综合泵房内管道泵将保温水箱内热水排入澡堂水箱,供职工澡堂使用。当澡堂水箱内热水温度降低后,可通过闸阀13 将温水回流到冷却水池。
2. Water supply pipeline design. The mine high-level water tank supplies cold water to the gas generator unit cooling water tank through the gate valve 12. The cold water in the cooling water tank flows to the generator unit plate heat exchanger for heating, and then flows into the thermal insulation water tank equipped with thermal insulation cotton through the gate valve 1. During the low peak period of hot water use, it can flow to the cooling water tower through gate valve 2 and gate valve 3, cool the hot water, and then recycle it. When the water temperature in the insulation water tank decreases, the low-temperature water can be returned to the cooling water tank through the gate valve 5. When using water normally, close the gate valve 13, open the gate valves at both ends of the pipeline pump, open the gate valve 14 and the gate valve at the inlet of the water tank, and use the pipeline pump in the comprehensive pump house to discharge the hot water in the thermal insulation water tank into the bathhouse water tank for use by the staff bathhouse. When the hot water temperature in the bathhouse water tank decreases, the warm water can be returned to the cooling pool through the gate valve 13.
3、加装自动控制。安装温控装置对闸阀5 进行控制,在温控开关上设置相应温度,当水温降低到设置温度以下时闸阀5 打开,将冷水回流,重新通过余热利用装置加热。在澡堂水箱内安装水位控制装置并设置水位,当水位降低到水位时,相应闸阀打开,管道泵起动,向澡堂水箱加水;当澡堂水箱水位达到水位时,相应闸阀关闭,管道泵停止运行。增加澡堂水箱温控装置,澡堂水箱水温降低时,通过闸阀13、闸阀14、闸阀15 或闸阀16 将低温水回流,重新经过余热利用装置加热。通过加装自动控制装置,减少人工操作步骤,降低了人员投入和工人劳动强度。
3. Add automatic control. Install a temperature control device to control the gate valve 5. Set the corresponding temperature on the temperature control switch. When the water temperature drops below the set temperature, the gate valve 5 opens to return the cold water and heat it again through the waste heat utilization device. Install a water level control device in the bathhouse water tank and set the water level. When the water level drops to the minimum water level, the corresponding gate valve opens and the pipeline pump starts to add water to the bathhouse water tank; When the water level of the bathhouse water tank reaches the maximum water level, the corresponding gate valve is closed and the pipeline pump stops running. Add a temperature control device for the bath water tank. When the water temperature of the bath water tank decreases, the low-temperature water will be refluxed through gate valve 13, gate valve 14, gate valve 15 or gate valve 16 and heated again by the waste heat utilization device. Through the installation of automatic control device, the manual operation steps are reduced, and the personnel input and labor intensity are reduced.、
焦化发电机组
4、创造的效益。发电机组余热利用系统正常运行后,该矿停止使用原有的2台4t 燃煤蒸汽压力锅炉,每年可节约燃煤2000 t,每年可减少燃煤锅炉维修费用、各种检验检测费用。
4. Benefits created. After the waste heat utilization system of the generator set operates normally, the mine stops using the original two 4T coal-fired steam pressure boilers, which can save 2000 t of coal every year and reduce the maintenance cost and various inspection and testing costs of coal-fired boilers every year.
使用燃煤锅炉排放大量硫化物等污染物,对环境造成污染。瓦斯发电机组余热利用则为清洁能源,全程无污染物的排放,具有极高的环保效益。燃煤蒸汽锅炉使用压力容器,具有一定的爆炸危险性,余热利用系统比原有的燃煤蒸汽压力锅炉更加安全。余热利用系统安装后,提升了发电机组冷却系统的冷却效果,延长了部分配件的使用寿命。
The use of coal-fired boilers releases a large number of sulfide and other pollutants, which pollutes the environment. The waste heat utilization of gas generator set is clean energy with no pollutant emission in the whole process, which has high environmental protection benefits. The coal-fired steam boiler uses pressure vessels, which has a certain explosion risk. The waste heat utilization system is safer and more efficient than the original coal-fired steam pressure boiler. After the installation of the waste heat utilization system, the cooling effect of the generator unit cooling system is improved and the service life of some accessories is prolonged.
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燃煤发电机组锅炉余热使用探讨

1、发电机组加装板式换热器。板式换热器A 加装在发电机组油冷却系统中,高温冷却油由板式换热器A1 角孔流入,冷水由A3角孔进入板式换热器,进行热交换后,低温冷却油从A2 角孔回流到发电机组,温水由A4 角孔流入板式换热器B;板式换热器B 加装在发电机组水冷却系统上,高温冷却水由角孔B1 流入板式换热器,与进入板式换热器B 的温水进行热交换后回流到发电机组,热水由B4 角孔流出。经过热交换,由A3 角孔进入的常温水,从B4 角孔流出后温度在75 ~80 ℃。
1. The generator set is equipped with plate heat exchanger. The plate heat exchanger a is installed in the oil cooling system of the generator set. The high-temperature cooling oil flows into the plate heat exchanger from the A1 corner hole, the cold water enters the plate heat exchanger from the A3 corner hole, and after heat exchange, the low-temperature cooling oil flows back to the generator set from the A2 corner hole, and the warm water flows into the plate heat exchanger B from the A4 corner hole; Plate heat exchanger B is installed on the water cooling system of the generator set. The high-temperature cooling water flows into the plate heat exchanger from corner hole B1, exchanges heat with the warm water entering plate heat exchanger B, and then flows back to the generator set, and the hot water flows out from corner hole B4. After heat exchange, the temperature of normal temperature water entering from A3 corner hole and flowing out from B4 corner hole is 75 ~ 80 ℃.
2、供水管路设计。矿井高位水池通过闸阀12 向瓦斯发电机组冷却水池供冷水,冷却水池内冷水流向发电机组板式换热器加热,然后通过闸阀1 流入加装保温棉的保温水箱内。在热水使用低峰期可通过闸阀2、闸阀3流向冷却水塔,对热水冷却降温,然后循环使用。当保温水箱内水温降低时,可通过闸阀5 将低温水回流到冷却水池。正常用水时,关闭闸阀13,打开管道泵两端闸阀,打开闸阀14 及水箱入口闸阀,使用综合泵房内管道泵将保温水箱内热水排入澡堂水箱,供职工澡堂使用。当澡堂水箱内热水温度降低后,可通过闸阀13 将温水回流到冷却水池。
2. Water supply pipeline design. The mine high-level water tank supplies cold water to the gas generator unit cooling water tank through the gate valve 12. The cold water in the cooling water tank flows to the generator unit plate heat exchanger for heating, and then flows into the thermal insulation water tank equipped with thermal insulation cotton through the gate valve 1. During the low peak period of hot water use, it can flow to the cooling water tower through gate valve 2 and gate valve 3, cool the hot water, and then recycle it. When the water temperature in the insulation water tank decreases, the low-temperature water can be returned to the cooling water tank through the gate valve 5. When using water normally, close the gate valve 13, open the gate valves at both ends of the pipeline pump, open the gate valve 14 and the gate valve at the inlet of the water tank, and use the pipeline pump in the comprehensive pump house to discharge the hot water in the thermal insulation water tank into the bathhouse water tank for use by the staff bathhouse. When the hot water temperature in the bathhouse water tank decreases, the warm water can be returned to the cooling pool through the gate valve 13.
3、加装自动控制。安装温控装置对闸阀5 进行控制,在温控开关上设置相应温度,当水温降低到设置温度以下时闸阀5 打开,将冷水回流,重新通过余热利用装置加热。在澡堂水箱内安装水位控制装置并设置水位,当水位降低到水位时,相应闸阀打开,管道泵起动,向澡堂水箱加水;当澡堂水箱水位达到水位时,相应闸阀关闭,管道泵停止运行。增加澡堂水箱温控装置,澡堂水箱水温降低时,通过闸阀13、闸阀14、闸阀15 或闸阀16 将低温水回流,重新经过余热利用装置加热。通过加装自动控制装置,减少人工操作步骤,降低了人员投入和工人劳动强度。
3. Add automatic control. Install a temperature control device to control the gate valve 5. Set the corresponding temperature on the temperature control switch. When the water temperature drops below the set temperature, the gate valve 5 opens to return the cold water and heat it again through the waste heat utilization device. Install a water level control device in the bathhouse water tank and set the water level. When the water level drops to the minimum water level, the corresponding gate valve opens and the pipeline pump starts to add water to the bathhouse water tank; When the water level of the bathhouse water tank reaches the maximum water level, the corresponding gate valve is closed and the pipeline pump stops running. Add a temperature control device for the bath water tank. When the water temperature of the bath water tank decreases, the low-temperature water will be refluxed through gate valve 13, gate valve 14, gate valve 15 or gate valve 16 and heated again by the waste heat utilization device. Through the installation of automatic control device, the manual operation steps are reduced, and the personnel input and labor intensity are reduced.、
焦化发电机组
4、创造的效益。发电机组余热利用系统正常运行后,该矿停止使用原有的2台4t 燃煤蒸汽压力锅炉,每年可节约燃煤2000 t,每年可减少燃煤锅炉维修费用、各种检验检测费用。
4. Benefits created. After the waste heat utilization system of the generator set operates normally, the mine stops using the original two 4T coal-fired steam pressure boilers, which can save 2000 t of coal every year and reduce the maintenance cost and various inspection and testing costs of coal-fired boilers every year.
使用燃煤锅炉排放大量硫化物等污染物,对环境造成污染。瓦斯发电机组余热利用则为清洁能源,全程无污染物的排放,具有极高的环保效益。燃煤蒸汽锅炉使用压力容器,具有一定的爆炸危险性,余热利用系统比原有的燃煤蒸汽压力锅炉更加安全。余热利用系统安装后,提升了发电机组冷却系统的冷却效果,延长了部分配件的使用寿命。
The use of coal-fired boilers releases a large number of sulfide and other pollutants, which pollutes the environment. The waste heat utilization of gas generator set is clean energy with no pollutant emission in the whole process, which has high environmental protection benefits. The coal-fired steam boiler uses pressure vessels, which has a certain explosion risk. The waste heat utilization system is safer and more efficient than the original coal-fired steam pressure boiler. After the installation of the waste heat utilization system, the cooling effect of the generator unit cooling system is improved and the service life of some accessories is prolonged.