CN201280956Y - Flue gas waste heat recovering and generating set - Google Patents

Flue gas waste heat recovering and generating set Download PDF

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Publication number
CN201280956Y
CN201280956Y CNU2008201394759U CN200820139475U CN201280956Y CN 201280956 Y CN201280956 Y CN 201280956Y CN U2008201394759 U CNU2008201394759 U CN U2008201394759U CN 200820139475 U CN200820139475 U CN 200820139475U CN 201280956 Y CN201280956 Y CN 201280956Y
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oil
pipe
preheater
outlet
flue gas
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CNU2008201394759U
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Chinese (zh)
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郭清温
郭超然
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郭清温;郭超然
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Abstract

The utility model relates to a flue gas waste heat recovery generating set which is composed of a heating system, an oil filling system and a generating system; the heating system is composed of a heat-conducting oil boiler, a filter, a divided oil tank, an ascending circulating pump, an oil collecting tank, an oil ascending pipeline and an oil descending pipeline; the heat-conducting oil boiler is communicated with a main flue by a by-pass flue, and a flue gas switching adjusting valve is arranged in the by-pass flue; the oil filling system is connected with the oil ascending pipeline in parallel, and the oil filling system is composed of an oil filling pump, an expansion slot, a hot oil pump and a hot oil storage tank; the generating system is composed of an evaporator, a secondary preheater, a turbine, a dynamo, a first preheater, a condenser and a working medium circulating pump; the working medium circulating pump is arranged on a working medium liquid phase pipeline, and the oil ascending pipeline, an oil-filling pipeline and a working medium gas phase pipeline are provided with controlling valves. The generating set adopts a double working medium dual-circulating system without a water treatment system and a vacuum system, the heat transfer efficiency is high, heat load is stable, the operation is stable, safe and reliable.

Description

一种烟气余热回收发电装置 One kind of flue gas waste heat recovery power generation device

技术领域 FIELD

本实用新型涉及发电装置,特别涉及烟气余热回收发电装置。 The present invention relates to a power generation apparatus, and particularly to flue gas heat recovery power generation device. 背景技术 Background technique

在工业企业生产过程中,由各种换能设备、用能设备和化学反应设备中产生而未被利用的热量资源,叫做余热。 In the industrial production process, a variety of transducer equipment, produce energy-using equipment and devices by chemical reaction and heat untapped resource, called heat. 主要表现为烟气(热空气)、热水、 Mainly for the flue gas (hot air), hot water,

蒸汽。 steam. 根据调查,各行业的余热总资源约占其燃料消耗总量的17%—67%,可回收利用的余热资源约为余热总资源的60%。 According to the survey, total waste heat resources of all sectors of about 17% -67% of its total fuel consumption, recyclable waste heat waste heat total resources of about 60%. 余热的数量很大,若加以利用,可节约大量的能源。 Heat a large number, if be used, can save a lot of energy.

烟气余热回收利用途径很多,有综合利用、直接利用、间接利用等多种方式。 Flue gas heat recovery use a lot of ways, there are utilization, direct use, indirect use of a variety of ways. 烟气余热回收发电是将生产过程中排放掉的、有一定温度的烟气余热转换为电能的技术,不仅节约能源,还有利于环境保护。 Flue gas heat recovery power generation is to convert the production process emissions out, there is a certain temperature flue gas waste heat to electrical energy technology, not only saves energy, but also conducive to environmental protection. 烟气余热回收发电是烟气余热资源回收利用的一种有效途径。 Flue gas heat recovery power generation is an effective way of flue gas waste heat recycling.

现有的烟气余热回收发电装置, 一般以水为介质,由余热锅炉吸收一定温度的烟气中热能将水加热成一定压力和温度的蒸汽,蒸汽进入蒸汽轮机(蒸汽透平)做功,将热能转化成机械能,汽轮机带动发电机旋转,将机械能转化成电能。 Conventional flue gas heat recovery power generation device, generally water as a medium, the temperature of the waste heat boiler flue gases absorb some heat energy to heat water into steam of a certain pressure and temperature, the steam entering the steam turbine (steam turbine) work, the thermal energy into mechanical energy to drive the turbine generator rotation, the mechanical energy into electrical energy. 由于单位压力下水的沸点较高,只能回收温度较高的烟气余热,不能对中低温烟气余热回收利用。 Due to the high unit pressure boiling point of water, only a higher temperature flue gas waste heat recovery, can not use low temperature flue gas heat recovery.

实用新型内容 SUMMARY

本实用新型的目的是提供一种烟气余热回收发电装置,它采用双工质双循环系统,传热效率高、结构简单、热量循环输送方便、热负荷稳定、运行平稳、安全可靠,可以回收高、中、低温烟气余热。 The object of the present invention is to provide a flue gas heat recovery power generation device, which uses two-cycle system and Double, high heat transfer efficiency, simple structure, easy to transport heat cycle, thermal load is stabilized, stable, safe and reliable, can be recovered high, medium and low-temperature flue gas waste heat. 本装置不需要燃料,在发电过程中不产生害物质,有利于保护环境。 This means no fuel, no harmful substances during power generation, to protect the environment.

为实现上述目的,本实用新型采用以下技术方案: To achieve the above object, the present invention adopts the following technical scheme:

一种烟气余热回收发电装置,由加热系统、注油系统和发电系统组成;其特征是: One kind of flue gas waste heat recovery power generation device, a heating system, fuel injection systems and power system components; characterized in that:

所述加热系统由导热油锅炉、过滤器、分油缸、上行循环泵、下行循环泵、集油缸、油液上行管道、油液下行管道组成;导热油锅炉经过旁通烟道与主烟道连通,旁通烟道内设置有烟气切换调节阀;导热油锅炉内设置有集热盘管,该集热盘管的出口与油液上行管道的入口连接,集热盘管的入口与油液下行管道的出口连接;所述过滤器、分油缸、上行循环泵串联在油液上行管道上,所述下行循环泵、集油缸串联在油液下行管道上;所述注油系统与油液下行管道并联,注油系统由注油泵、膨胀槽、热油泵、热油储槽构成,注油管道跨接在所述油液下行管道的入口和出口之间,注油泵、膨胀槽、热油泵、热油储槽依次串联在注油管道上;所述发电系统由蒸发器、二次预热器、透平、发电机、 一次预热器、冷凝器、工质循环泵组成,透平通过联轴器与发电 Oil boiler of the heating system, the filter, divided cylinder, upstream circulation pump, the circulation pump downlink, collection tanks, oil pipelines upstream, downstream fluid piping components; oil boiler flue gas through the bypass communication with the main flue , the bypass switch smoke flue is provided with a control valve; oil boiler is provided with the coil collector, the collector inlet and outlet fluid conduit upstream of the coil is connected to the collector fluid inlet downstream coil outlet conduit; said filter, sub-tank, circulating pump in series with the upstream fluid conduit upstream of the downstream circulation pump, set in series with the cylinder oil duct downstream; the oil lubrication system and downlink parallel pipes , fuel injection systems of injection pumps, expansion tank, heat pumps, hot oil sump configuration, the oil injection duct connected across the inlet and the outlet conduit downstream of the fluid injection pump, expansion tank, heat pumps, hot oil sump in series in the injection duct; a power generation system by the evaporator, the second preheater, a turbine, a generator, a preheater, a condenser, a refrigerant composition circulating pump, power generation turbine through a coupling 机连接,蒸发器的壳侧出口通过工质气相管道与透平的入口连通,透平的出口通过乏气输送管与一次预热器的壳侧入口连通, 一次预热器的壳侧出口经过一号联接管与冷凝器连通,冷凝器的冷凝液出口经过工质液相管道与一次预热器的管侧入口连通, 一次预热器的管侧出口经过回程管与二次预热器的壳侧入口连通,二次预热器的壳侧出口经过二号联接管与蒸发器的壳侧入口连通;蒸发器的管侧入口通过一号管接头与油液上行管道的出口连接,蒸发器的管侧出口通过三号联接管与二次预热器的管侧入口连接,二次预热器的管侧出口通过二号管接头与油液下行管道的入口连接;所述工质循环泵设置在工质液相管道上,所述油液下行管道、注油管道、工质气相管道上设置有控制阀门。 Connect the shell-side outlet of the evaporator inlet in communication with the turbine via the working medium vapor conduit, the outlet of the turbine through the gas feed pipe and the lack of a shell side inlet of the preheater communicating, a shell-side outlet through the preheater the 1st coupling pipe communicating with a condenser, the condensate outlet of the condenser communicates via an inlet pipe working fluid side of the primary liquid conduit preheater, preheater tube-side outlet through a return pipe of the secondary preheater shell side inlet in fluid communication, the shell-side outlet of the secondary side of the preheater communicate via an inlet pipe II is coupled with the evaporator shell; tube-side inlet connected to the evaporator through the outlet pipe joint and One fluid conduit upstream evaporator III outlet tube side through the tube and the secondary coupling tube side inlet of the preheater is connected to the outlet pipe of the secondary side is connected to the preheater via an inlet pipe connection and II downlink oil conduit; the working medium circulation pump liquid working medium is provided on the conduit, said conduit downstream oil, oil injection duct, is provided on the working medium vapor conduit with a control valve.

所述工质气相管道与乏气输送管之间跨接有旁通管道,该旁通管道上设置有控制阀门。 Spanned between a bypass conduit and the working medium vapor conduit spent gas feed pipe, provided with a control valve on the bypass duct.

所述分油缸与集油缸之间设置有联通管,该联通管上设置有控制阀门。 Divided between the cylinder and the collector pipe Unicom cylinder is provided, with a control valve provided on the communicating pipe. 所述冷凝器是空冷式冷凝器或水冷式冷凝器。 The condenser is air-cooled condenser or a water-cooled condenser. 本实用新型有以下积极有益的效果: The utility model has the following positive beneficial effects:

本实用新型利用工业生产设备的烟气余热加热导热油锅炉集热盘管中流动的导热油,导热油再加热低沸点有机工质并使之气化,气化后的有机工质推动透平发电机组发电,属于双工质双循环系统。 The present invention is the use of industrial equipment flue gas waste heat heating oil flowing in the coil collector oil boiler, oil heated organic fluid and a low boiling point vaporized organic working fluid driven turbine vaporized power generating units, belonging to the two-cycle system and double.

导热油是一种良好的有机热载剂,具有较高的热容量和较低粘度。 HTF is a good organic heat carrier having a high heat capacity and low viscosity. 在常压下导热油的初馏点比水的蒸发温度要高出数倍。 HTF initial boiling point at atmospheric pressure than the evaporation temperature of the water is several times higher. 导热油在300'C的条件下仍不气化而保持常压,此时饱和压力的水蒸汽己高达8.5MPa。 HTF 300'C at atmospheric pressure while maintaining the gasifier remains at this time had a water vapor saturation pressure up to 8.5MPa. 用导热油代替传统的水蒸汽热载剂,就能以低压管道系统代替高压管道系统。 Conducting oil instead of conventional steam heat carrier, it can be replaced by a low pressure piping systems for high pressure piping system.

导热油还具有传热均匀,热稳定性好以及优良的导热特性。 HTF also has a uniform heat transfer, good thermal stability and excellent heat transfer characteristics. 例如在100。 For example, in 100. C时,饱和水蒸汽的导热系数为0.0237W/(m.°C),而Mobiltherm 605#导热油在10(TC时的导热系数为0.127W/(mZC),是水蒸汽的5.35倍,传输距离远、热损失小,能在多种不同温度下获得热量。 C, the thermal conductivity of saturated steam of 0.0237W / (m. ° C), while in HTF Mobiltherm 605 # 10 (thermal coefficient of TC was 0.127W / (mZC), is 5.35 times that of water vapor, the transmission distance, heat loss is small, heat can be obtained at a plurality of different temperatures.

导热油适用于流动加热别的用热设备。 HTF applicable to other heat flow of the heating apparatus. 导热油冷却速度低,温度波动变化小,传热效率高,可以作为稳定的加热热源。 HTF low cooling rate, a small temperature fluctuation, high heat transfer efficiency, can be used as a stable heat source.

导热油不含芳烃,是一种液体石蜡,外观淡黄无味,加热后逐渐变成褐色。 Conducting oil free of aromatics, it is a liquid paraffin, odorless yellow appearance, becoming brown after heating. 导热油对普通的碳钢设备和管道基本上无腐蚀作用,不需要采用类似蒸汽系统的给水脱盐、除氧等复杂的处理过程,因此具有系统简单输送方便等优点。 HTF ordinary carbon steel equipment and piping are substantially non-corrosive, does not require the use of complex processing of feed water desalination system similar steam, oxygen and the like, thus having a simple transport system and easy. 导热油锅炉采用液相方式换热,相对于汽相方式换热,液相换热系统的优点是不会泄漏,运行操作简单稳定。 Liquid phase heat transfer oil boiler embodiment, with respect to the vapor phase heat transfer manner, the advantages of liquid-phase heat transfer system that does not leak, the operation is simple and stable operation.

导热油锅炉采用膜式受热面立式锅炉,可以解决锅炉漏风、磨损、堵灰等问题并减少占地面积,提高锅炉热效率。 Oil boiler heating surface membrane using vertical boiler, the boiler can be solved leakage, wear, and problems such as plugging the ash reduce the area, increase the thermal efficiency of the boiler.

导热油锅炉通过旁通烟道与主烟道相连接,利用主烟道中的烟气加热导热油。 Oil boiler flue connected by a bypass to the main flue, the flue gas using heating oil in the main flue. 进入导热油锅炉中的烟气量大,温度低,不存在燃烧,因此不会出现炉内局部烟气温度过热现象。 Oil boiler into the flue gas in a large amount, the temperature is low, there is no combustion, so there is no overheating within the furnace flue gas temperature. 从而减少了导热油过热而产生裂解、聚合、结焦、积碳等现象的发生。 HTF thereby reducing overheating and cracking, polymerization, coking phenomena occur, coke and the like. 因此锅炉可平稳、安全运行。 Therefore, the boiler can be smooth and safe operation.

本装置充分利用导热油循环压力低、加热过程只有温度升高而不发生气化、导热油温度稳定的特点,可以达到流动加热,获得波动范围小、稳定的热负荷,蒸发器由流动的导热油加热、效率高、体积小,因而,本装置可以有效控制、稳定运行,发出的电量稳定。 This oil circulation means take advantage of a low pressure, only during the heating temperature is raised but not vaporized, oil temperature stable, the heat flow can be achieved, to obtain small fluctuation range of the thermal load, thermal vaporizer by the flow heating oil, high efficiency, small size, therefore, the present apparatus can be effectively controlled, and stable operation, stable power emitted.

利用低沸点有机工质在低温下即可气化的特点,吸收导热油的热量使之气化,进入透平做功,带动发电机产生电能,并可获得热水等副产品。 Using a low boiling organic working fluid can be vaporized at a low temperature characteristics, thermal oil absorption of heat to vaporized into the turbine acting to drive the generator to produce electrical energy, water and other by-products can be obtained.

冷凝器可以是空气(风)冷却的,也可以是水冷却的。 The condenser may be air (air) cooling, or may be water-cooled. 空冷适合缺水地区使用。 Suitable for air-cooled water-scarce areas.

在工质循环回路上设有一次预热器和二次预热器。 On the way back to the working fluid circulation has a preheater and a secondary preheater. 两次预热液态低沸点有机工质,使循环过程的余热可以被充分回收利用,提高了烟气余热回收发电装置效率。 Two preheated liquid low boiling organic working fluid, that the heat cycle may be fully recycled flue gas heat recovery devices to improve the efficiency of power generation.

本装置不需要水处理系统,不需要真空系统,不需要厂房,土建工作量小,投资少、回收期短。 This device does not require a water treatment system, no vacuum system, no factories, construction work small, low investment, short payback period.

附图说明 BRIEF DESCRIPTION

图1是本实用新型实施例一的结构示意图。 FIG. 1 is a structural diagram of an embodiment according to the present embodiment of the invention.

图2是本实用新型实施例二的结构示意图。 FIG 2 is a structural diagram of the present invention according to a second embodiment.

具体实施方式 Detailed ways

图中标号1导热油锅炉5下行循环泵8膨胀槽一12油液上行管道15 二次预热器18空冷式冷凝器21乏气输送管24回程管27 —号管接头30控制阀门33控制阀门36联通管 Reference numeral 1 in FIG. 5 oil boiler expansion tank downstream circulation pump 8 a 12 oil conduit 15 upstream of the secondary preheater 18 air-cooled condenser 21 the return of spent gas delivery tube 24 Tube 27 - No. 30 controls the valve fittings 33 controls the valve 36 communicating pipe

2过滤器6集油缸9热油泵13油液下行管道16透平(气轮机)19工质循环泵22 —号联接管25 二号联接管28 二号管接头31旁通管道34风机37控制阀门 Filter set 2 cylinder 9 6 13 heat pump fluid conduit 16 downstream of the turbine (gas turbine) 19 refrigerant circulation pump 22 - 25 No. II coupling tube 28 coupling tube fittings 31 II fan bypass conduit 34 control valve 37

3分油缸4上行循环泵 3 points upward circulation pump cylinder 4

7注油泵 7 injection pump

IO热油储槽ll注油管道14蒸发器17 —次预热器20工质气相管道23工质液相管道26控制阀门29控制阀门32控制阀门35发电机38水冷式冷凝器39循环水管道42循环水泵45主烟道 IO hot oil injection duct ll sump evaporator 17 14 - Times preheater 20 refrigerant vapor refrigerant liquid conduit 23 conduit 26 control valve 29 control valve 32 control valve 35 Generator 38 39 water-cooled condenser circulating water pipe 42 circulating pump main flue 45

40联轴器 40 Couplings

43三号联接管 Three coupling tube 43

46烟气切换调节阀 The switching control valve 46 Flue

41集热盘管44旁通烟道 41 bypass flue collector coil 44

实施例一 Example a

请参照图1,本实用新型是一种烟气余热回收发电装置,由加热系统、注油系统和发电系统组成;加热系统由导热油锅炉l、过滤器2、分油缸3、上行循环泵4、下行循环泵5、集油缸6、油液上行管道12、油液下行管道13组成; Referring to FIG 1, the present invention is a flue gas heat recovery power generation device, a heating system, fuel injection systems and power system components; oil boiler heating system consists of L, the filter 2, the cylinder 3 minutes, up the circulation pump, downstream the circulation pump 5, 6 cylinder set, fluid upstream pipe 12, downstream pipe 13 the oil composition;

导热油锅炉1经过旁通烟道44与工业生产设备的主烟道45连通,旁通烟道44内设置有烟气切换调节阀46;导热油锅炉1内设置有集热盘管41,该集热盘管41的出口与油液上行管道12的入口连接,集热盘管41的入口与油液下行管道13的出口连接; Oil boiler 1 through the bypass flue 44 communicates with the main flue of the industrial production equipment 45, 44 is provided with a bypass flue flue gas switching control valve 46; 41 is provided with a collecting coil oil boiler 1, the upstream oil outlet pipe 41 of the inlet collector connected to the coil 12, the coil 41 of the inlet collector is connected to the outlet conduit 13 downstream of the fluid;

过滤器2、分油缸3、上行循环泵4串联在油液上行管道12上,所述下行循环泵5、集油缸6串联在油液下行管道13上; Filter 2, the cylinder 3 minutes, up circulating pump 4 in series with the fluid upstream pipe 12, downstream of the circulation pump 5, the oil collector cylinder 6 downstream pipe 13 are connected in series;

注油系统并联在油液下行管道13上,注油系统由注油泵7、膨胀槽6、热油泵9、热油储槽10构成,注油管道11跨接在所述油液下行管道13的入口和出口之间,注油泵7、膨胀槽8、热油泵9、热油储槽IO依次串联在注油管道ll上; Fuel injection systems in parallel to the downstream fluid conduit 13, fuel injection systems 7, the expansion tank 6, the heat pump 9, the hot oil reservoir 10 formed of an injection pump, oil injection duct 11 is connected across the inlet and outlet fluid conduit 13 downstream of the between the injection pump 7, 8 expansion tank, heat pump 9, the hot oil sump in series on the IO LL injection duct;

发电系统由蒸发器14、 二次预热器15、透平16、 一次预热器17、冷凝器18、工质循环泵19组成。 The power generation system by the evaporator 14, the second preheater 15, the turbine 16, a preheater 17, a condenser 18, refrigerant circulating pump 19 components. 蒸发器14的壳侧出口通过工质气相管道20与透平16的入口连通,透平16的出口通过乏气输送管21与一次预热器17的壳侧入口连通, 一次预热器17的壳侧出口经过一号联接管22与空冷式冷凝器18连通,空冷式冷凝器的冷凝液出口经过工质液相管道23与一次预热器17的管侧入口连通, 一次预热器17的管侧出口经过回程管24与二次预热器15的壳侧入口连通,二次预热器15的壳侧出口经过二号联接管25与蒸发器14的壳侧入口连通; The shell-side outlet of the evaporator 14 communicates with the inlet of the turbine 16 through the working medium vapor conduit 20, the turbine 16 exit through the spent gas feed pipe 21 in communication with the primary inlet of the shell side of preheater 17, a preheater 17 one side of the shell through an outlet coupling pipe 22 in communication with the air-cooled condenser 18, condensate outlet 23 of the air-cooled condenser an inlet in communication with the primary side of the preheater tube 17 through the liquid refrigerant pipeline, a preheater 17 an outlet-side pipe 24 through the return pipe communicates with the inlet side of the secondary preheater shell 15 and the shell-side outlet of the secondary preheater 15 through an inlet pipe II coupling side 14 of the housing 25 in communication with the evaporator;

蒸发器14的管侧入口通过一号管接头27与油液上行管道12的出口连接,蒸发器14的管侧出口通过三号联接管43与二次预热器15的管侧入口连接,二次预热器15的管侧出口通过二号管接头28与油液下行管道13的入口连接,工质循环泵19设置在工质液相管道23上;油液下行管道13上设置有控制阀门26;注油管道ll的两端设置有控制阀门29、 30;工质气相管道20上设置有控制阀门32。 Side of the evaporator tubes 14 through an inlet pipe fitting 27 is connected to the number one fluid outlet conduit 12 upstream of the tube-side outlet of the evaporator 14 is connected to the inlet pipe of the secondary side of the preheater 15 through coupling pipe III 43, two secondary preheater outlet pipe 15 side through the pipe joint 28 is connected to the number two inlet fluid conduit 13 downstream of the working fluid circulation pump 19 is provided on the liquid refrigerant pipeline 23; downlink fluid conduit is provided with a control valve 13 26; ll ends of the injection duct provided with a control valve 29, 30; 32 is provided with a control valve on the gas refrigerant pipe 20.

工质气相管道20与乏气输送管21之间跨接有旁通管道31,该旁通管道31上设置有控制阀门33。 Working medium vapor conduit 20 and exhaust pneumatic feed pipe spanned between the bypass conduit 2131 is provided with a control valve 33 on the bypass duct 31.

分油缸3与集油缸6之间设置有联通管36,该联通管36上设置有控制阀门37。 Partial cylinder 36 is provided with a communication duct between the cylinder 3 and the current collector 6 is provided with a control valve 37 on the communicating pipe 36. 本实用新型的发电系统采用低沸点有机工质,可以是正戊垸、异戊垸、 The power generation system of the present invention uses a low-boiling organic working fluid, it may be embankment n-pentyl, isopentyl embankment,

环戊烷、氯乙垸、正己烷、正丁烷、异丁烷、氟利昂-11、氟利昂-12、 二氯甲 Cyclopentane, embankment chloride, n-hexane, n-butane, isobutane, freon -11, -12 freon, methylene

烷等。 Dioxane and the like. 本装置可利用广泛存在的工业生产设备烟气余热发电或者产生热水。 This device may utilize flue widespread industrial installations or cogeneration to produce hot water.

下面详述本装置的工作原理: The following detailed description of the working principle of the apparatus:

导热油锅炉1经过旁通烟道44与主烟道45连通,烟气切换调节阀46安装在旁通烟道44内。 Oil boiler 1 via a flue 44 communicating with the bypass 45 main flue, the flue gas switching control valve 46 is mounted in the bypass flue 44. 其作用是调节和控制烟气走向和流量。 Its role is to regulate and control the direction and flow of flue gas. 烟气切换调节阀46可以使旁通烟道44处于全开、关小直至关断状态。 Flue gas switching valve 46 can adjust the bypass flue 44 is fully open, a small clearance until the off state. 因而可以控制本装置是否参与运行,还可以调节导热油温度。 Thus the present apparatus can control operation is involved, can also adjust the temperature of the HTF.

当烟气切换调节阀46使旁通烟道44处于关闭状态时,烟气从主烟道45 排出,本装置与工业生产设备脱离开,本装置不运行。 When the flue gas regulating valve 46 of the bypass switch 44 is in the closed state of the flue, the flue gas is discharged from the main stack 45, the present apparatus and industrial production equipment disengaged, the present apparatus is not operating.

当烟气切换调节阀46开启旁通烟道44、关闭主烟道45后,主烟道45 中的全部烟气通过旁通烟道44进入导热油锅炉1中,本装置运行。 When the flue gas switching control valve 46 opens the bypass flue 44, 45 after closing the main flue, the flue gas in all the main flue 45 through the bypass flue 44 into the oil boiler 1, operation of the present apparatus. 此时,来自工业生产设备的烟气加热集热盘管41中的导热油,当阀门26开启,阀门29、 30关闭,在上行循环泵4、下行循环泵5的驱动下,导热油从集热盘管41的出口流出,依次流经过滤器2、分油缸3送往各蒸发器14、然后经过二次预热器15、集油缸6返回集热盘管41的入口,上述过程周而复始,形成循环,在这个过程中,导热油所携带的热量传递给了低沸点有机工质。 In this case, the collector plate heated by flue gas from industrial equipment HTF tube 41, when the valve 26 is opened, valves 29, 30 closed, in driving up the circulation pump 4 downstream the circulation pump 5, heat transfer fluid from the collector outlet to the cooling coil 41 sequentially flows through the filter 2, sent to each of 3 sub-evaporator cylinder 14, and then through the secondary preheater 15, the cylinder 6 to return current collector plate 41 of the inlet tube, the above process cycle, is formed cycle, in this process, oil is carried to the heat transfer of low-boiling organic working fluid.

当烟气切换调节阀46部分关闭旁通烟道44、部分开启主烟道45时,主烟道45中的部分烟气进入导热油锅炉1中,从而调节导热油的温度。 When the flue gas switching valve control unit 46 closes the bypass stack section 44, section 45 is turned on when the main flue, the main portion 45 of the flue into the flue gas in an oil boiler, thereby adjusting the temperature of the HTF.

过滤器2的作用是过滤导热油。 Effect of the filter 2 is a filter HTF. 分油缸3的作用是将热油进行分配,供给多个蒸发器14,实现一台导热油锅炉1带动多个发电系统。 3 is a sub-action cylinder for dispensing hot oil supplied to the plurality of evaporator 14, to achieve an oil boiler to drive a plurality of power generation systems. 集油缸6的作用是将各用热设备的回油集中起来。 Set-acting cylinder 6 is to heat each oil return device together.

蒸发器14的作用是用蒸发器14管侧流动的导热油加热在蒸发器14壳侧流动的低沸点有机工质,使其气化。 14 functions as an evaporator is heated by heat transfer oil evaporator 14 side of the low-boiling flowing in the shell side 14 of the organic working fluid flow, so that gasified.

热油储槽10的作用是贮存热油。 An oil reservoir 10 by heat is stored hot oil. 膨胀槽8的作用是接受导热油膨胀溢流, 导热油经膨胀槽8、注油管道ll注入导热油锅炉l。 Action is to accept the expansion tank 8 overflows HTF expansion, oil expanded groove 8, the oil injection duct injection oil boiler ll l.

当烟气余热回收发电装置停运时,导热油回到热油储槽10和膨胀槽8内。 When the flue gas heat recovery power generation device outage, oil 10 and the expansion tank back into the hot oil sump 8. 保证本装置的安全性和维修性。 Ensure the safety and maintenance of the device.

二次预热器15的作用是第二次预加热在二次预热器15壳侧流动的低沸点有机工质,使其获得一定的温度,以回收导热油显热,提高装置循环效率。 Secondary effect of the preheater 15 is preheated in a second low-boiling secondary preheater 15 to the shell side of the organic working fluid flow, so as to obtain a certain temperature, to recover sensible heat conducting oil, improves the cycle efficiency of the apparatus. 透平16与发电机35通过联轴器40连接。 Turbine 16 and the generator 35 is connected via a coupling 40.

透平16的作用是将气化后的低沸点有机工质所携带的能量转化为机械能,并带动发电机35转动。 The role of the turbine 16 is a low-boiling organic vaporized working fluid carried energy into mechanical energy, and drives the generator 35 to rotate. 发电机35的作用是产生电能。 35 is a generator generating electric power.

一次预热器17的作用是第一次预热被空冷式冷凝器18液化的低沸点有机工质,以回收乏气显热,提高装置循环效率。 Primary role of the preheater 17 is preheated by the first 18 liquified low-boiling organic fluid air-cooled condenser in order to recover the sensible heat of spent gas, means to improve the cycle efficiency.

空冷式冷凝器18的作用是将低沸点有机工质乏气液化。 Effect of air-cooled condenser 18 is the lack of low-boiling organic working fluid gas liquefaction. 风机34是空冷式冷凝器18的冷源。 A heat sink fan 34 is air-cooled condenser 18. 空冷适合缺水地区使用。 Suitable for air-cooled water-scarce areas. 工质循环泵19推动液态低沸点有机工质流动。 Working medium circulation pump 19 to promote the low-boiling organic liquid working medium flow.

当阀门32打开,阀门33关断,在蒸发器14内被导热油加热气化为一定压力和温度的低沸点有机工质气进入透平16入口,膨胀做功,将热能转化成 When the valve 32 is opened, the valve 33 is turned off, in the evaporator 14 is vaporized oil heating at a constant pressure and temperature of the low-boiling organic working fluid inlet gas enters the turbine 16, expansion work, the thermal energy into

机械能,透平16带动发电机35发电,将机械能转化成电能。 Mechanical energy, a generator 35 driven by power turbine 16, the mechanical energy into electrical energy.

从透平16出口排出的乏气依次进入一次预热器17壳侧预加热液化后的低沸点有机工质、然后再进入空冷式冷凝器18的管侧进行液化。 Discharging spent gas from the turbine outlet 16 successively enters the shell side of preheater 17 a preheated low-boiling organic working fluid liquefied, and then enters the tube side of the air-cooled condenser 18 for liquefaction. 液化后的低沸点有机工质在工质循环泵19的推动下进入一次预热器17管侧被第一次预加热、再进入二次预热器15壳侧被第二次预加热,然后进入蒸发器14的壳侧,完成循环。 Low-boiling organic working fluid liquefied preheater into the primary side 17 is first preheated, and then enters the shell side of the secondary preheater 15 is preheated at the second working medium circulation pump 19 driven, and then into the shell side of evaporator 14 to complete the cycle. 实施例二 Second Embodiment

请参照图2,本实施例与上述实施例的结构和工作原理基本相同,不同之处在于,本实施例采用水冷式冷凝器38,循环水泵42、循环水管道39是水冷式冷凝器38的辅助设备。 Referring to FIG. 2, the above-described embodiment, the present embodiment is substantially the same structure and principle, except that the present embodiment employs a water-cooled condenser 38, circulating pump 42, the circulating water pipe 39 is water-cooled condenser 38 Auxiliary equipment.

水冷式冷凝器38还可以产生60-8(TC的热水。热水还可以作为其它工业生产设备的动力源或用于生活用水。 Water-cooled condenser 38 can also produce 60-8 (TC hot water The hot water may also be used as a power source or other industrial production equipment for domestic water.

当阀门32关闭,阀门33打开,在蒸发器14内被导热油加热气化为一定压力和温度的低沸点有机工质气体不经过透平(气轮机)做功发电。 When the valve 32 closed, valve 33 is opened, oil heating gasification are certain pressure and temperature of the low-boiling organic working fluid does not pass through the gas turbine (gas turbine) to generate power in the evaporator 14. 水冷式冷凝器38可以产生热水。 Water-cooled condenser 38 can produce hot water.

实施时,可将加热系统和注油系统组成一个撬体或者集装箱,发电系统组成一个撬体或者集装箱。 When implemented, the heating system and the fuel injection system composed of a container body or the skid, the power generation system composed of a container body or the skid. 运往工作现场,两个撬体之间通过一号、二号管接头27、 28连接就位即完成安装。 Transported to the job site, the connection between the two bodies in place to complete skid mounted by I, II fittings 27, 28.

实施时,可将由几个加热系统和注油系统组成的撬体或者集装箱与若干个发电系统组成的撬体或者集装箱互相组合。 When implemented, combined with one another skid member may be by several heating systems and fuel injection systems consisting of a container body or a skid with a plurality of power generation system components or containers.

本装置对工业生产设备不产生任何防碍。 This device does not interfere with any of the industrial production equipment. 工业生产设备可以是任何能产生高温、中温、低温烟气的设备。 Industrial production equipment can be any high temperature, medium temperature, low-temperature flue gas equipment.

例如,玻璃生产过程中,从池窑蓄热室、换热室排出的烟气温度一般在50(TC以下。可以将本装置的旁通烟道连接在池窑蓄热室、换热室的排烟管道上,并利用烟气切换调节阀46调节烟气的路径和流量,当烟气从主烟道45 排出时,池窑蓄热室、换热室烟气余热不回收;当烟气从进入导热油锅炉1 时,池窑蓄热室、换热室烟气余热被回收发电。 For example, a glass production process, the temperature of the flue gas is discharged from the tank furnace regenerator, heat exchange chamber generally 50 (TC hereinafter may bypass this unit is connected to a flue furnaces regenerator, heat exchange chamber the exhaust pipe, and the use of flue gas path switching regulator valve 46 regulating the flow of the flue gas and, when the flue gas is discharged from the main stack 45, the heat storage tank furnace chamber, without flue gas heat recovery heat exchange chamber; when the flue gas 1 from entering the oil boiler, furnaces regenerator, heat exchange chamber is flue gas waste heat recovery power generation.

Claims (4)

1. 一种烟气余热回收发电装置,由加热系统、注油系统和发电系统组成;其特征是:所述加热系统由导热油锅炉、过滤器、分油缸、上行循环泵、下行循环泵、集油缸、油液上行管道、油液下行管道组成;导热油锅炉经过旁通烟道与主烟道连通,旁通烟道内设置有烟气切换调节阀;导热油锅炉内设置有集热盘管,该集热盘管的出口与油液上行管道的入口连接,集热盘管的入口与油液下行管道的出口连接;所述过滤器、分油缸、上行循环泵串联在油液上行管道上,所述下行循环泵、集油缸串联在油液下行管道上;所述注油系统与油液下行管道并联,注油系统由注油泵、膨胀槽、热油泵、热油储槽构成,注油管道跨接在所述油液下行管道的入口和出口之间,注油泵、膨胀槽、热油泵、热油储槽依次串联在注油管道上;所述发电系统由蒸发器、二次预热 A flue gas heat recovery power generation device, a heating system, fuel injection systems and power system components; characterized in that: said heating system consists of oil boiler, filter, sub-tank, upstream the circulation pump, the circulation pump downlink, set cylinder, upstream oil pipeline, oil downstream piping components; oil boiler flue gas through the bypass communication with the main flue, the bypass flue gas flue is provided with a switching control valve; oil boiler is provided with the collector coil, inlet and outlet fluid conduit upstream of the collector is connected to the coil, the inlet and outlet fluid conduit downstream of the collector is connected to the coil; the filter, divided cylinder, in series on the upstream circulation pump up the oil pipe, the downlink circulating pump, in series with the collector cylinder oil duct downstream; the oil lubrication system and downlink parallel pipes, fuel injection systems of injection pumps, expansion tank, heat pumps, hot oil sump configuration, the oil injection duct across the the fluid between the inlet and the outlet conduit downstream of injection pumps, expansion tank, heat pumps, hot oil reservoir in series in the injection duct; a power generating system evaporator by a secondary preheater, 、透平、发电机、一次预热器、冷凝器、工质循环泵组成,透平通过联轴器与发电机连接,蒸发器的壳侧出口通过工质气相管道与透平的入口连通,透平的出口通过乏气输送管与一次预热器的壳侧入口连通,一次预热器的壳侧出口经过一号联接管与冷凝器连通,冷凝器的冷凝液出口经过工质液相管道与一次预热器的管侧入口连通,一次预热器的管侧出口经过回程管与二次预热器的壳侧入口连通,二次预热器的壳侧出口经过二号联接管与蒸发器的壳侧入口连通;蒸发器的管侧入口通过一号管接头与油液上行管道的出口连接,蒸发器的管侧出口通过三号联接管与二次预热器的管侧入口连接,二次预热器的管侧出口通过二号管接头与油液下行管道的入口连接;所述工质循环泵设置在工质液相管道上,所述油液下行管道、注油管道、工质气相管道上设置 , A turbine, a generator, a preheater, a condenser, a refrigerant composition circulating pump, a turbine connected to the generator via a coupling, the shell-side outlet of the evaporator in communication with the working fluid through the turbine inlet gas conduit, lack of gas through the turbine outlet of the delivery tube and a shell side inlet of the preheater communicating, a shell-side outlet of the preheater and the communication pipe is coupled through a condenser one condensate outlet of the condenser through the refrigerant liquid conduit the primary-side inlet of the preheater tube communicates, once the tube-side outlet of the preheater through the shell-side inlet in communication with the return pipe of the secondary preheater, the preheater of the secondary shell-side outlet through the evaporation pipe coupling II shell side inlet of the communication device; tube side inlet of the evaporator via pipe One linker upstream oil outlet pipe connected to the secondary tube is coupled through III preheater tube side inlet-side pipe connected to the outlet of the evaporator, the outlet pipe of the secondary side is connected to the preheater via an inlet pipe connection and the 2nd downstream fluid conduit; the working fluid circulation pump provided in the liquid refrigerant pipe, the pipe downstream oil, oil injection pipe, the working fluid is provided on a gas conduit 控制阀门。 Control valves.
2. 如权利要求1所述的一种烟气余热回收发电装置,其特征是:所述工质气相管道与乏气输送管之间跨接有旁通管道,该旁通管道上设置有控制阀门。 2. An flue gas heat recovery power generation device according to claim 1, characterized in that: a bypass pipe across the working medium vapor conduit between the spent gas feed pipe, the bypass duct is provided with a control valve.
3. 如权利要求1所述的一种烟气余热回收发电装置,其特征是:所述分油缸与集油缸之间设置有联通管,该联通管上设置有控制阀门。 One kind flue gas heat recovery power generation device according to claim 1, characterized in that: the partition is provided between the cylinder and the collector cylinder with a crossover line, provided with a control valve in the communicating pipe.
4. 如权利要求1所述的一种烟气余热回收发电装置,其特征是:所述冷凝器是空冷式冷凝器或水冷式冷凝器。 4. An flue gas heat recovery power generation device according to claim 1, wherein: said condenser is air-cooled condenser or a water-cooled condenser.
CNU2008201394759U 2008-10-31 2008-10-31 Flue gas waste heat recovering and generating set CN201280956Y (en)

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CN103244213A (en) * 2013-05-24 2013-08-14 成都昊特新能源技术有限公司 ORC electricity generation system for offshore platform and electricity generation method thereof
CN106437916A (en) * 2016-12-06 2017-02-22 上海初远环保科技有限公司 Expansion generator system
CN109084592A (en) * 2018-08-06 2018-12-25 安徽省华鑫铅业集团有限公司 It regenerates lead plaster smelting furnace circulation of tail gas and utilizes system
CN109114992A (en) * 2018-08-06 2019-01-01 安徽省华鑫铅业集团有限公司 Desulfidation tail gas waste heat reuse method
CN109114993A (en) * 2018-08-06 2019-01-01 安徽省华鑫铅业集团有限公司 Desulfidation tail gas apparatus for reusing residual heat
CN109185848A (en) * 2018-08-14 2019-01-11 合肥斯姆雷品牌管理有限公司 It is a kind of containing the waste water recycling system having surplus heat
CN109915804A (en) * 2018-08-14 2019-06-21 合肥斯姆雷品牌管理有限公司 A kind of method and device using carbon dioxide preparation high steam

Cited By (16)

* Cited by examiner, † Cited by third party
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WO2011100885A1 (en) * 2010-02-21 2011-08-25 Xu Zhizhi Method for obtaining renewable energy sources from waste heat
CN102322300A (en) * 2010-05-14 2012-01-18 诺沃皮尼奥内有限公司 Turboexpander for power generation systems
CN102425954A (en) * 2011-12-09 2012-04-25 昆明理工大学 Blast furnace slag and slag flushing water waste heat organic working medium supercritical generating system
CN102817656A (en) * 2012-09-07 2012-12-12 天津大学 Device and method utilizing semi-water gas low-temperature exhaust heat to generate electricity
CN103089439B (en) * 2013-01-27 2015-12-23 南京瑞柯徕姆环保科技有限公司 Boulez pauses-steam Rankine-organic Rankine combined cycle cogeneration device
CN103089439A (en) * 2013-01-27 2013-05-08 南京瑞柯徕姆环保科技有限公司 Britton-steam Rankine-organic Rankine combined cycle heat and power cogeneration device
CN103147809A (en) * 2013-01-27 2013-06-12 南京瑞柯徕姆环保科技有限公司 Britten-steam Rankine-ammonia steam Rankine combined circulation electricity generation device
CN103147809B (en) * 2013-01-27 2015-11-11 南京瑞柯徕姆环保科技有限公司 Boulez pauses-steam Rankine-ammonia steam Rankine combined cycle generating unit
CN103244213A (en) * 2013-05-24 2013-08-14 成都昊特新能源技术有限公司 ORC electricity generation system for offshore platform and electricity generation method thereof
CN103244213B (en) * 2013-05-24 2015-12-09 成都昊特新能源技术股份有限公司 For ORC power generation system and the electricity-generating method thereof of offshore platform
CN106437916A (en) * 2016-12-06 2017-02-22 上海初远环保科技有限公司 Expansion generator system
CN109084592A (en) * 2018-08-06 2018-12-25 安徽省华鑫铅业集团有限公司 It regenerates lead plaster smelting furnace circulation of tail gas and utilizes system
CN109114992A (en) * 2018-08-06 2019-01-01 安徽省华鑫铅业集团有限公司 Desulfidation tail gas waste heat reuse method
CN109114993A (en) * 2018-08-06 2019-01-01 安徽省华鑫铅业集团有限公司 Desulfidation tail gas apparatus for reusing residual heat
CN109185848A (en) * 2018-08-14 2019-01-11 合肥斯姆雷品牌管理有限公司 It is a kind of containing the waste water recycling system having surplus heat
CN109915804A (en) * 2018-08-14 2019-06-21 合肥斯姆雷品牌管理有限公司 A kind of method and device using carbon dioxide preparation high steam

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