CN111911255A - 一种油田余热有机朗循环发电系统 - Google Patents
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K27/00—Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D11/00—Feed-water supply not provided for in other main groups
- F22D11/02—Arrangements of feed-water pumps
- F22D11/06—Arrangements of feed-water pumps for returning condensate to boiler
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
- H02K7/1823—Rotary generators structurally associated with turbines or similar engines
Abstract
本发明公开了一种油田余热有机朗循环发电系统，包括透平压缩机、发电机机组、稳压模块、隔离控制器和逆变器，所述锅炉用于接收油田余热，并使得有机工质在锅炉中从余热流中吸收热量，生成具一定压力和温度的蒸汽，所述透平压缩机的进气口连接于锅炉的出气口，所述发电机机组用于接收来至透平压缩机的高压气体，并推动发电机机组的叶片转动，从而发电机机组产生电能，本发明通过控制器智能控制各个设备的运行，使得油田余热更加充分的利用，通过对蒸汽的增压、增速，可提高其对发电机机组产生电能的电量，产生较大的经济效益。
Description
技术领域
本发明涉及发电系统技术领域，具体为一种油田余热有机朗循环发电系统。
背景技术
有机朗循环是以低沸点有机物为工质的循环，主要由余热锅炉(或换热器)、透平、冷凝器和工质泵四大部套组成。现有油田余热的回收利用率低，对能量损耗较多，不利于节能环保，为此，我们提出一种油田余热有机朗循环发电系统。
发明内容
本发明的目的是为了解决现有技术中存在的缺点，而提出的一种油田余热有机朗循环发电系统。
为实现上述目的，本发明提供如下技术方案：一种油田余热有机朗循环发电系统，包括透平压缩机、发电机机组、稳压模块、隔离控制器和逆变器，所述锅炉用于接收油田余热，并使得有机工质在锅炉中从余热流中吸收热量，生成具一定压力和温度的蒸汽，所述透平压缩机的进气口连接于锅炉的出气口，所述发电机机组用于接收来至透平压缩机的高压气体，并推动发电机机组的叶片转动，从而发电机机组产生电能，所述稳压模块将发电机机组产生的电能进行稳压，然后通过隔离控制器传递至逆变器；
所述透平压缩机的尾气出口连接于冷凝器和烟气换热器的进气口，所述烟气换热器的出气口通过高压泵的连接于锅炉的余热进气口，所述冷凝器的排出口通过工质泵连接于锅炉的有机工质入口。
优选的，所述逆变器用于将产生的直流电转换成交流电，该交流电并入局域电网使用，局域电网再将电能传递给负载直接使用，或者稳压模块将发电机机组产生的电能进行稳压，然后直接给蓄电池组充电，将电能存储在蓄电池组内。
优选的，所述隔离控制器的型号为ADM2687EBRIZ，是一种采用线性光耦隔离原理，将输入信号进行转换输出，输入，输出和工作电源三者相互隔离，特别适合与需要电隔离的设备仪表配用。
优选的，所述透平压缩机的进气口接收来至锅炉的具一定压力和温度的蒸汽，通过透平压缩机中的高速旋转叶轮与蒸汽气流间的相互作用力来提高蒸汽气体压力，同时使蒸汽气流产生加速度而获得动能，然后蒸汽气流在扩压器中减速，将动能转化为压力能，进一步提高压力，并最终推动发电机机组的叶片转动。
优选的，所述透平压缩机、发电机机组、稳压模块、隔离控制器、逆变器、冷凝器、烟气换热器、高压泵、锅炉和工质泵均电性连接于控制器，所述控制器为PLC控制器。
优选的，所述控制器产生控制信号，从而控制所述高压泵和工质泵的速度，以控制油田余热或者有机工质的流速。
与现有技术相比，本发明的有益效果是：通过控制器智能控制各个设备的运行，使得油田余热更加充分的利用，通过对蒸汽的增压、增速，可提高其对发电机机组产生电能的电量，产生较大的经济效益，且产生的电能通过稳压模块和逆变器处理后，可之间通过局域电网传递给负载直接使用，也可以通过稳压模块将发电机机组产生的电能进行稳压，然后直接给蓄电池组充电，将电能存储在蓄电池组内，对电能的使用分配更合理，节能。
附图说明
图1为本发明系统示意图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
请参阅图1，本发明提供一种技术方案：一种油田余热有机朗循环发电系统，包括透平压缩机10、发电机机组11、稳压模块1、隔离控制器2和逆变器3，所述锅炉8用于接收油田余热，并使得有机工质在锅炉8中从余热流中吸收热量，生成具一定压力和温度的蒸汽，所述透平压缩机10的进气口连接于锅炉8的出气口，所述发电机机组11用于接收来至透平压缩机10的高压气体，并推动发电机机组11的叶片转动，从而发电机机组11产生电能，所述稳压模块1将发电机机组11产生的电能进行稳压，然后通过隔离控制器2传递至逆变器3；
所述透平压缩机10的尾气出口连接于冷凝器12和烟气换热器14的进气口，所述烟气换热器14的出气口通过高压泵9的连接于锅炉8的余热进气口，所述冷凝器12的排出口通过工质泵13连接于锅炉8的有机工质入口。
具体的，所述逆变器3用于将产生的直流电转换成交流电，该交流电并入局域电网5使用，局域电网5再将电能传递给负载6直接使用，或者稳压模块1将发电机机组11产生的电能进行稳压，然后直接给蓄电池组充电，将电能存储在蓄电池组4内。
具体的，所述隔离控制器2的型号为ADM2687EBRIZ，是一种采用线性光耦隔离原理，将输入信号进行转换输出，输入，输出和工作电源三者相互隔离，特别适合与需要电隔离的设备仪表配用。
具体的，所述透平压缩机的进气口接收来至锅炉8的具一定压力和温度的蒸汽，通过透平压缩机中的高速旋转叶轮与蒸汽气流间的相互作用力来提高蒸汽气体压力，同时使蒸汽气流产生加速度而获得动能，然后蒸汽气流在扩压器中减速，将动能转化为压力能，进一步提高压力，并最终推动发电机机组11的叶片转动。
具体的，所述透平压缩机10、发电机机组11、稳压模块1、隔离控制器2、逆变器3、冷凝器12、烟气换热器14、高压泵9、锅炉8和工质泵13均电性连接于控制器7，所述控制器7为PLC控制器。
具体的，所述控制器7产生控制信号，从而控制所述高压泵9和工质泵13的速度，以控制油田余热或者有机工质的流速。
具体实施时的工作原理为：控制器7控制高压泵9工作，将油田余热引入至锅炉8，有机工质在锅炉8中从余热流中吸收热量，生成具一定压力和温度的蒸汽；
透平压缩机10的进气口接收来至锅炉8的具一定压力和温度的蒸汽，通过透平压缩机10中的高速旋转叶轮与蒸汽气流间的相互作用力来提高蒸汽气体压力，同时使蒸汽气流产生加速度而获得动能，然后蒸汽气流在扩压器中减速，将动能转化为压力能，进一步提高压力，并最终推动发电机机组11的叶片转动，从而发电机机组11产生电能，稳压模块1将发电机机组11产生的电能进行稳压；
逆变器3用于将产生的直流电转换成交流电，该交流电并入局域电网5使用，局域电网5再将电能传递给负载6直接使用，或者稳压模块1将发电机机组11产生的电能进行稳压，然后直接给蓄电池组充电，将电能存储在蓄电池组4内。
油田余热中混杂的高温烟气可进入到烟气换热器14中进行余热回收，然后再次通过高压泵9工作，将该余热循环引入至锅炉8；
从透平压缩机10排出的蒸汽在凝汽器12中向冷却水放热，凝结成液态，最后借助工质泵13重新回到锅炉8中，如此不断地循环下去。
尽管已经示出和描述了本发明的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由所附权利要求及其等同物限定。
Claims (6)
1.一种油田余热有机朗循环发电系统，包括透平压缩机(10)、发电机机组(11)、稳压模块(1)、隔离控制器(2)和逆变器(3)，其特征在于：所述锅炉(8)用于接收油田余热，并使得有机工质在锅炉(8)中从余热流中吸收热量，生成具一定压力和温度的蒸汽，所述透平压缩机(10)的进气口连接于锅炉(8)的出气口，所述发电机机组(11)用于接收来至透平压缩机(10)的高压气体，并推动发电机机组(11)的叶片转动，从而发电机机组(11)产生电能，所述稳压模块(1)将发电机机组(11)产生的电能进行稳压，然后通过隔离控制器(2)传递至逆变器(3)；
所述透平压缩机(10)的尾气出口连接于冷凝器(12)和烟气换热器(14)的进气口，所述烟气换热器(14)的出气口通过高压泵(9)的连接于锅炉(8)的余热进气口，所述冷凝器(12)的排出口通过工质泵(13)连接于锅炉(8)的有机工质入口。
2.根据权利要求1所述的一种油田余热有机朗循环发电系统，其特征在于：所述逆变器(3)用于将产生的直流电转换成交流电，该交流电并入局域电网(5)使用，局域电网(5)再将电能传递给负载(6)直接使用，或者稳压模块(1)将发电机机组(11)产生的电能进行稳压，然后直接给蓄电池组充电，将电能存储在蓄电池组(4)内。
3.根据权利要求1所述的一种油田余热有机朗循环发电系统，其特征在于：所述隔离控制器(2)的型号为ADM2687EBRIZ，是一种采用线性光耦隔离原理，将输入信号进行转换输出，输入，输出和工作电源三者相互隔离，特别适合与需要电隔离的设备仪表配用。
4.根据权利要求1所述的一种油田余热有机朗循环发电系统，其特征在于：所述透平压缩机的进气口接收来至锅炉(8)的具一定压力和温度的蒸汽，通过透平压缩机中的高速旋转叶轮与蒸汽气流间的相互作用力来提高蒸汽气体压力，同时使蒸汽气流产生加速度而获得动能，然后蒸汽气流在扩压器中减速，将动能转化为压力能，进一步提高压力，并最终推动发电机机组(11)的叶片转动。
5.根据权利要求1所述的一种油田余热有机朗循环发电系统，其特征在于：所述透平压缩机(10)、发电机机组(11)、稳压模块(1)、隔离控制器(2)、逆变器(3)、冷凝器(12)、烟气换热器(14)、高压泵(9)、锅炉(8)和工质泵(13)均电性连接于控制器(7)，所述控制器(7)为PLC控制器。
6.根据权利要求5所述的一种油田余热有机朗循环发电系统，其特征在于：所述控制器(7)产生控制信号，从而控制所述高压泵(9)和工质泵(13)的速度，以控制油田余热或者有机工质的流速。
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2020
- 2020-07-13 CN CN202010667516.7A patent/CN111911255A/zh active Pending
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