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燃气发电机组尾气的余热利用

返回 2021.04.29 来源:http://www.huannengpower.com
目前燃料的能量只有约35%被燃气发电机组转化为电能,约有30%随废气排出,25%被燃气发电机组冷却水带走,通过机身散发等其它损失约占10%左右,废气和换热器损失的功率比有用功还多。
At present, only about 35% of the fuel energy is converted into electric energy by the gas-fired generator set, about 30% is discharged with the exhaust gas, 25% is taken away by the cooling water of the gas-fired generator set, and other losses through the fuselage account for about 10%. The power lost by the exhaust gas and heat exchanger is more than the useful work.
在我国,目前占燃气发电机组燃料近55%热值的废气和冷 却水余热资源基本上被白白浪费掉,燃气发电机组余热利用技术的就是来实现将原本白白浪费掉的热资源充分利用的系统。
In China, the waste heat resources of exhaust gas and cooling water, which account for nearly 55% of the calorific value of gas-fired generator fuel, are basically wasted. The purpose of waste heat utilization technology of gas-fired generator is to make full use of the wasted heat resources.
随着生活质量的提高,制冷和采暖越来越普及,能源消耗越来越大,同时燃气发电机组余热资源目前没有得到综合利用,消耗了大量能源。根据燃气发电机组余热利用现状,我公司发挥技术优势,研制开发了一套燃气机组烟气余热利用配套热管式余热锅炉及热管换热器,产生的过热蒸汽和热水用于余热发电及企业内部冷热电联供。
With the improvement of the quality of life, refrigeration and heating are more and more popular, and the energy consumption is increasing. At the same time, the waste heat resources of gas-fired generating units have not been comprehensively utilized, which consumes a lot of energy. According to the current situation of waste heat utilization of gas-fired generating units, our company has developed a set of heat pipe type waste heat boiler and heat pipe heat exchanger for waste heat utilization of gas-fired generating units. The superheated steam and hot water generated are used for waste heat power generation and internal CCHP.
在燃气机组发电的同时,以机组废气的热量为能源,烟气通过热管余热锅炉及热管换热器,加热介质水,热管余热锅炉产生的过热蒸汽用于余热发电,热管换热器产生的热水通过溴化锂冷水机组制冷或制热,系统
At the same time of generating electricity by gas-fired unit, the heat of unit exhaust gas is used as energy. The flue gas passes through heat pipe waste heat boiler and heat pipe heat exchanger to heat medium water. The superheated steam generated by heat pipe waste heat boiler is used for waste heat power generation. The hot water generated by heat pipe heat exchanger is cooled or heated by lithium bromide water chiller, and the system is stable
综合利用燃气发电机组热能主要从三个方面着手:即电力供应、采暖洗浴等供热以及夏季空调制冷。在综合利用的设计过程中应充分考虑以下几方面的因素:
The comprehensive utilization of heat energy of gas-fired generator sets mainly starts from three aspects: power supply, heating and bathing, and air conditioning and refrigeration in summer. In the design process of comprehensive utilization, the following factors should be fully considered:
a、利用应避免对燃气发电机组的性能产生大的影响,即不影响燃气发电机组的正常运行及功率输出;
a. It should be avoided to have a great impact on the performance of gas-fired generating units, that is, it will not affect the normal operation and power output of gas-fired generating units;
b、排气总管到余热利用系统之间的距离应尽可能短,同时应充分考虑排气管的隔热保温,减少从燃气发电机组排气出口至热管余热锅炉的热量损失;
b. The distance between the exhaust main pipe and the waste heat utilization system should be as short as possible, and the heat insulation of the exhaust pipe should be fully considered to reduce the heat loss from the exhaust outlet of the gas generator unit to the heat pipe waste heat boiler;
c、需要考虑燃气发电机组负荷变化时给余热发电及余热制冷、制热造成的影响,避免因负荷变化使制冷(或制热)过量或能力不足;
c. It is necessary to consider the influence of the load change of gas-fired generating units on waste heat power generation, refrigeration and heating, so as to avoid excessive refrigeration (or heating) or insufficient capacity due to load change;
d、考虑到整个流程控制范围大、项点多、操作难度大等因素,整个系统应尽可能实行电气自动化控制和监测;
d. Considering the large control range, many items and difficult operation of the whole process, the whole system should implement electrical automation control and monitoring as far as possible;
e、整套系统应充分考虑维护操作以及使用的安 全性。
e. The safety of maintenance operation and use shall be fully considered for the whole system.
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燃气发电机组尾气的余热利用

目前燃料的能量只有约35%被燃气发电机组转化为电能,约有30%随废气排出,25%被燃气发电机组冷却水带走,通过机身散发等其它损失约占10%左右,废气和换热器损失的功率比有用功还多。
At present, only about 35% of the fuel energy is converted into electric energy by the gas-fired generator set, about 30% is discharged with the exhaust gas, 25% is taken away by the cooling water of the gas-fired generator set, and other losses through the fuselage account for about 10%. The power lost by the exhaust gas and heat exchanger is more than the useful work.
在我国,目前占燃气发电机组燃料近55%热值的废气和冷 却水余热资源基本上被白白浪费掉,燃气发电机组余热利用技术的就是来实现将原本白白浪费掉的热资源充分利用的系统。
In China, the waste heat resources of exhaust gas and cooling water, which account for nearly 55% of the calorific value of gas-fired generator fuel, are basically wasted. The purpose of waste heat utilization technology of gas-fired generator is to make full use of the wasted heat resources.
随着生活质量的提高,制冷和采暖越来越普及,能源消耗越来越大,同时燃气发电机组余热资源目前没有得到综合利用,消耗了大量能源。根据燃气发电机组余热利用现状,我公司发挥技术优势,研制开发了一套燃气机组烟气余热利用配套热管式余热锅炉及热管换热器,产生的过热蒸汽和热水用于余热发电及企业内部冷热电联供。
With the improvement of the quality of life, refrigeration and heating are more and more popular, and the energy consumption is increasing. At the same time, the waste heat resources of gas-fired generating units have not been comprehensively utilized, which consumes a lot of energy. According to the current situation of waste heat utilization of gas-fired generating units, our company has developed a set of heat pipe type waste heat boiler and heat pipe heat exchanger for waste heat utilization of gas-fired generating units. The superheated steam and hot water generated are used for waste heat power generation and internal CCHP.
在燃气机组发电的同时,以机组废气的热量为能源,烟气通过热管余热锅炉及热管换热器,加热介质水,热管余热锅炉产生的过热蒸汽用于余热发电,热管换热器产生的热水通过溴化锂冷水机组制冷或制热,系统
At the same time of generating electricity by gas-fired unit, the heat of unit exhaust gas is used as energy. The flue gas passes through heat pipe waste heat boiler and heat pipe heat exchanger to heat medium water. The superheated steam generated by heat pipe waste heat boiler is used for waste heat power generation. The hot water generated by heat pipe heat exchanger is cooled or heated by lithium bromide water chiller, and the system is stable
综合利用燃气发电机组热能主要从三个方面着手:即电力供应、采暖洗浴等供热以及夏季空调制冷。在综合利用的设计过程中应充分考虑以下几方面的因素:
The comprehensive utilization of heat energy of gas-fired generator sets mainly starts from three aspects: power supply, heating and bathing, and air conditioning and refrigeration in summer. In the design process of comprehensive utilization, the following factors should be fully considered:
a、利用应避免对燃气发电机组的性能产生大的影响,即不影响燃气发电机组的正常运行及功率输出;
a. It should be avoided to have a great impact on the performance of gas-fired generating units, that is, it will not affect the normal operation and power output of gas-fired generating units;
b、排气总管到余热利用系统之间的距离应尽可能短,同时应充分考虑排气管的隔热保温,减少从燃气发电机组排气出口至热管余热锅炉的热量损失;
b. The distance between the exhaust main pipe and the waste heat utilization system should be as short as possible, and the heat insulation of the exhaust pipe should be fully considered to reduce the heat loss from the exhaust outlet of the gas generator unit to the heat pipe waste heat boiler;
c、需要考虑燃气发电机组负荷变化时给余热发电及余热制冷、制热造成的影响,避免因负荷变化使制冷(或制热)过量或能力不足;
c. It is necessary to consider the influence of the load change of gas-fired generating units on waste heat power generation, refrigeration and heating, so as to avoid excessive refrigeration (or heating) or insufficient capacity due to load change;
d、考虑到整个流程控制范围大、项点多、操作难度大等因素,整个系统应尽可能实行电气自动化控制和监测;
d. Considering the large control range, many items and difficult operation of the whole process, the whole system should implement electrical automation control and monitoring as far as possible;
e、整套系统应充分考虑维护操作以及使用的安 全性。
e. The safety of maintenance operation and use shall be fully considered for the whole system.