CN1979051B - Boiler smoke after-heat utilizing device - Google Patents

Boiler smoke after-heat utilizing device Download PDF

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Publication number
CN1979051B
CN1979051B CN 200510101839 CN200510101839A CN1979051B CN 1979051 B CN1979051 B CN 1979051B CN 200510101839 CN200510101839 CN 200510101839 CN 200510101839 A CN200510101839 A CN 200510101839A CN 1979051 B CN1979051 B CN 1979051B
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China
Prior art keywords
boiler
water tank
flue gas
cold water
heat exchanger
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CN 200510101839
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Chinese (zh)
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CN1979051A (en
Inventor
梁锡武
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深圳市安托山混凝土管桩有限公司
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Priority to CN 200510101839 priority Critical patent/CN1979051B/en
Publication of CN1979051A publication Critical patent/CN1979051A/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/08Energy efficient heating, ventilation or air conditioning [HVAC] relating to domestic heating, space heating, domestic hot water heating [DHW] or supply systems
    • Y02B30/10Energy efficient heating, ventilation or air conditioning [HVAC] relating to domestic heating, space heating, domestic hot water heating [DHW] or supply systems using boilers
    • Y02B30/102Condensing boilers

Abstract

The invention relates to a boiler flue gas waste-heat utilization device that includes a water softener, cooling water box, heat exchanger, a hot water tank, and a deaerator, which are connected through water pipe. One end of the heat exchanger connects to the exhaust port of the boiler. And high temperature flue gas would be exhausted port into air through exhaust port and heat exchanger. The cold water from water softener would flow into cold water tank. And the cold water from cold water tank would take exchange. And the hot water from hot water tank would be used in boiler after flowing from deaerator.

Description

锅炉烟气余热利用装置 Boiler flue gas waste heat recovery system

技术领域 FIELD

[0001] 本发明涉及一种锅炉烟气余热利用装置,这种装置利用锅炉排出的高温烟气与冷水热交换产生热水,提供给锅炉使用。 [0001] The present invention relates to a boiler flue gas waste heat recovery system, high temperature flue gas discharged from a boiler using such a device to produce hot water with the cold water heat exchanger, is supplied to the boiler.

背景技术 Background technique

[0002] 锅炉是利用燃料或其它能源的热能,把工质(一般为进化的水)加热到一定参数(温度、压力)的换热设备。 [0002] boiler fuel using heat or other energy source, the working fluid (typically water evolution) heated to a certain parameters (temperature, pressure) of the heat transfer equipment. 锅炉的任务,在于安全、可靠、经济有效地将燃料的化学能转化为热能,进而将热能传递给水,以产生热水或蒸汽;或将燃料的化学能传递给其他工质,如导热油等,以产生其他高温的工质,如高温导热油。 Task boiler, that safe, reliable, cost effective chemical energy of fuel into heat energy, and thus thermal energy transferred to the water to produce hot water or steam; chemical energy of a fuel or passed to another working fluid, such as conducting oil to generate other high temperature working medium, such as a heat conducting oil. 锅炉要排放出高温的烟气,直接排放到大气中而不加以利用,非常可惜。 To high temperature boiler flue gas emissions directly emitted into the atmosphere and not be used, a great pity.

发明内容 SUMMARY

[0003] 本发明的目的在于提供一种锅炉烟气余热利用装置,其节约锅炉燃料,降低生产成本。 [0003] The object of the present invention is to provide a boiler flue gas waste heat recovery system, which saves fuel boiler, to reduce production costs.

[0004] 为实现上述目的,本发明提供一种锅炉烟气余热利用装置,其使用于一锅炉,该锅炉安装一排放高温烟气的排气口,该锅炉烟气余热利用装置包括一软水器、一冷水箱、一热交换器、一热水箱、一除氧器;该软水器、冷水箱、热交换器、热水箱、除氧器之间依次用水管连接;该热交换器一端连通该锅炉的排气口,高温烟气通过排气口和热交换器排到大气中,软水器流出的冷水流进冷水箱,冷水箱流出的冷水进入热交换器,冷水经过与高温烟气热交换而加热成热水流进热水箱;热水箱流出的热水流经除氧器后通过水管进入锅炉内使用。 [0004] To achieve the above object, the present invention provides a boiler flue gas waste heat recovery system, which was used in a boiler, the boiler to the flue gas exhaust port is mounted a discharge, the flue gas waste heat recovery boiler comprises a water softener device , a cold water tank, a heat exchanger, a hot water tank, a deaerator; washed with water softener is connected between the cold water tank, heat exchangers, hot water tank, deaerator; end of the heat exchanger an exhaust port communicating with the boiler, high temperature flue gas discharged to the atmosphere, water softener effluent flow of cold water into the cold water tank, the cold water tank of cold water flowing into the heat exchanger, and the cold water through the high temperature flue gas through the exhaust port and the heat exchanger the heat exchanger is heated into hot water into the hot water tank; hot water tank after the hot water flowing out of the boiler provided with deaerator flows through pipes enter.

[0005] 本发明具有以下有益效果:在热交换器中,流经热交换器的冷水经过与锅炉排出的高温烟气进行热交换而被加热成为热水,然后通入锅炉中使用,由于通入的是温度较高的热水,因此节约了锅炉的燃料,降低了生产成本。 [0005] The present invention has the following advantages: in the heat exchanger, the cold water through the heat exchanger by heat exchange with the high temperature flue gas discharged from the boiler is heated to become hot water, then passed into the boiler in use, since the through the hot water temperature is high, thereby saving fuel boiler, reducing production costs.

附图说明 BRIEF DESCRIPTION

[0006] 图1是本发明锅炉烟气余热利用装置的结构示意图。 [0006] FIG. 1 is a schematic structural diagram of a boiler flue gas heat utilization device of the present invention. 具体实施方式 Detailed ways

[0007] 请参阅图1,一种锅炉烟气余热利用装置,其使用于一锅炉1,该锅炉1包括一个排放高温烟气的排气口12。 [0007] Referring to FIG. 1 A boiler flue gas waste heat recovery system, which was used in a boiler 1, the boiler 1 comprises a discharge port 12 to the flue gas exhaust. 该锅炉烟气余热利用装置包括一软水器2、一冷水箱3、一热交换器4、一热水箱5、一除氧器6。 The boiler flue gas waste heat recovery system 2 includes a water softener, a cold water tank 3, a heat exchanger 4, a hot water tank 5, a deaerator 6.

[0008] 该软水器2、冷水箱3、热交换器4、热水箱5、除氧器6之间依次用水管连接。 [0008] The softener 2, the cold water tank 3, heat exchanger 4, the hot water tank 5, deaerator sequentially connecting pipe between the 6.

[0009] 该冷水箱3与热交换器4之间的水管30上依次安装一第一阀门31、一第一循环泵32及一第二阀门34。 [0009] The cold water tank 3 and the upper water pipe 30 between the heat exchanger 4 are sequentially mounted a first valve 31, a first circulation pump 32 and a second valve 34. 该冷水箱3与热交换器4之间还安装了一支水管33,其上安装一第三阀门35、一第二循环泵36及一第四阀门38,它们作为第一阀门31、第一循环泵32及一 The cold water tank 3 and a tube 4 between the heat exchanger 33 is also mounted, on which is mounted a third valve 35, a second circulating pump 36, and a fourth valve 38, which as a first valve 31, a first and a circulation pump 32

3第二阀门34的备用,在第一阀门31、第一循环泵32及第二阀门34出现故障的时候,可以使用第三阀门35、第二循环泵36及第四阀门38。 3 spare second valve 34, a first valve 31, circulating pump 32 when the first and the second valve 34 fails, the third valve 35 may be used, the second circulation pump 36 and the fourth valve 38. 该第一循环泵32或第二循环泵36可将冷水箱3里的冷水泵入热交换器4。 The first circulation pump 32 or the second circulating pump 36 can be cooled in the cold water tank 3 pump 4 into the heat exchanger.

[0010] 该热交换器4 一端连通该锅炉1的排气口12,另一端连通到一烟囱7,锅炉的高温烟气从排气口12排出通过热交换器4,然后经过烟囱7排到大气中。 [0010] One end of the heat exchanger 4 of the communication port 121 of the boiler exhaust gas, and the other end communicates with a chimney 7, the high-temperature boiler flue gas discharged from the exhaust port 12 through the heat exchanger 4, and then discharged through the chimney 7 the atmosphere. 从软水器2流出的冷水流进冷水箱3,冷水箱3流出的冷水进入热交换器4,在热交换器4中冷水与高温烟气热交换而被加热成热水,之后流进热水箱5 ;热水箱5流出的热水流经除氧器6后通过水管送进锅炉1内使用。 2 from the cold water flowing out of the water softener tank 3 flows into the cold, cold water tank 3 flows into the cold water heat exchanger 4, in the cold water heat exchanger 4 by heat exchange with the high temperature flue gas is heated to a hot water then flows into the water box 5; the hot water tank 5 flowing through the hot water flowing out of the 6 used deaerator feed water pipe 1 through the boiler. 由于通入的是温度较高的热水,因此节约了锅炉的燃料,降低了生产成本。 Because into the hot water temperature is high, thereby saving fuel boiler, reducing production costs.

[0011] 该冷水箱3和该热水箱5之间还连接有一水管52,该冷水箱3和该热水箱5之间的水管52上按顺序安装一第五阀门54、一第三循环泵56、一第六阀门58。 [0011] The cold water tank is also connected between the hot water tank 3 and 5 has a pipe 52, in order to install a fifth valve 54 on the pipe 52 between the cold water tank of the hot water tank 3 and 5, a third cycle pump 56, a sixth valve 58. 通过该第三循环泵56,可将冷水泵入该热水箱5内。 Through the third circulating pump 56 may be the cold water pump into the hot water tank 5.

[0012] 本发明中,在热交换器4中,流经热交换器4的冷水经过与锅炉1排1排出的高温烟气进行热交换而被加热成为热水,然后通入锅炉1中使用,由于通入的是温度较高的热7jC,因此节约了锅炉的燃料,降低了生产成本。 [0012] In the present invention, in the heat exchanger 4, the cold water passes through the heat exchanger 4 by heat exchange with the high temperature flue gas discharged from a boiler 1 is heated discharge becomes hot, and then passed into a boiler 1 in due into the higher temperature heat 7jC, thus saving fuel boiler, reducing production costs.

Claims (8)

  1. 一种锅炉烟气余热利用装置,其使用于一锅炉,该锅炉安装一排放高温烟气的排气口,其特征在于:该锅炉烟气余热利用装置包括一软水器、一冷水箱、一热交换器、一热水箱、一除氧器;该软水器、冷水箱、热交换器、热水箱、除氧器之间依次用水管连接;该热交换器一端连通该锅炉的排气口,高温烟气通过排气口和热交换器排到大气中,软水器流出的冷水流进冷水箱,冷水箱流出的冷水进入热交换器,冷水经过与高温烟气热交换而加热成热水流进热水箱;热水箱流出的热水流经除氧器后通过水管进入锅炉内使用。 A boiler flue gas waste heat recovery system, which was used in a boiler which is mounted in a high temperature flue gas vent emissions, characterized in that: the boiler flue gas waste heat recovery system comprising a water softener, a cold water tank, a heat exchanger, a hot water tank, a deaerator; sequentially connected between the water softener, the cold water tank, heat exchangers, hot water tank, deaerator; end of the heat exchanger of the boiler exhaust port communicating the hot flue gases discharged to the atmosphere, water softener effluent flow of cold water into the cold water tank, the cold water tank of cold water flowing into the heat exchanger, the cold water is heated through heat exchange with the high temperature flue gas to heat and hot water through the exhaust port flows into the hot water tank; hot water tank after the hot water flowing out of the boiler provided with deaerator flows through pipes enter.
  2. 2.根据权利要求1所述的锅炉烟气余热利用装置,其特征在于:该冷水箱与热交换器之间的水管上安装一循环泵,该循环泵将冷水箱里的冷水泵入热交换器。 The flue gas waste heat recovery boiler apparatus according to claim 1, wherein: a circulation pump mounted on the pipe between the cold water tank and the heat exchanger, the circulation pump will pump water into the cold box cold heat exchanger device.
  3. 3.根据权利要求1所述的锅炉烟气余热利用装置,其特征在于:该冷水箱与热交换器之间的水管上安装一阀门。 The flue gas of the boiler waste heat recovery apparatus according to claim 1, wherein: a valve mounted on the pipe between the cold water tank and the heat exchanger.
  4. 4.根据权利要求1所述的锅炉烟气余热利用装置,其特征在于:该冷水箱与热交换器之间的水管上依次安装一第一阀门、一第一循环泵及一第二阀门。 1 according to the boiler flue gas waste heat recovery system, as claimed in claim wherein: a first valve installed sequentially on the pipe between the cold water tank and the heat exchanger, a first circulating pump and a second valve.
  5. 5.根据权利要求4所述的锅炉烟气余热利用装置,其特征在于:该冷水箱与热交换器之间安装有一支水管,其上依次安装一第三阀门、一第二循环泵及一第四阀门,作为第一循环泵、第一阀门、第二阀门的备用。 The flue gas waste heat recovery boiler of the apparatus according to claim 4, characterized in that: the cold water tank installed between the pipes and the heat exchanger have a sequentially mounted thereon a third valve, a circulating pump, and a second fourth valve, a first circulating pump, a first valve, the second valve standby.
  6. 6.根据权利要求1所述的锅炉烟气余热利用装置,其特征在于:该热交换器连通到一烟囱,帮助排出锅炉烟气。 The flue gas waste heat recovery boiler apparatus according to claim 1, wherein: the heat exchanger is communicated to a chimney, flue gas leaving the boiler to help.
  7. 7.根据权利要求1所述的锅炉烟气余热利用装置,其特征在于:该冷水箱和该热水箱之间还连接有一水管。 7. The boiler flue gas according to a waste heat recovery apparatus according to claim, wherein: the further connection between the cold water tank and hot water tank has a pipe.
  8. 8.根据权利要求7所述的锅炉烟气余热利用装置,其特征在于:该冷水箱和该热水箱之间的水管上按顺序安装一第五阀门、一第三循环泵、一第六阀门。 The boiler flue gas waste heat recovery apparatus according to claim 7, wherein: a fifth valve installed in order on the cold water pipe between the water tank and the hot water tank, a third circulating pump, a sixth valve.
CN 200510101839 2005-12-05 2005-12-05 Boiler smoke after-heat utilizing device CN1979051B (en)

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CN 200510101839 CN1979051B (en) 2005-12-05 2005-12-05 Boiler smoke after-heat utilizing device

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CN1979051B true CN1979051B (en) 2010-10-27

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102062622B (en) * 2010-12-09 2012-08-22 上海工程技术大学 Performance test system of directly contact type fume cooling and dehumidifying heat exchanger
CN102032550B (en) * 2011-01-07 2013-02-06 张蕾 Device for preheating boiler water by flue gas from boiler chimney
CN102563610A (en) * 2011-10-24 2012-07-11 上海上电电力工程有限公司 Energy saving system for boiler
CN103398470B (en) * 2013-07-26 2015-12-30 江苏双良锅炉有限公司 Efficient Condensing pressure hot water boiler system
CN105737181A (en) * 2016-03-25 2016-07-06 浙江欣远竹制品有限公司 Boiler smoke bag-type dedusting temperature control system and smoke exhausting temperature control and waste heat utilization method

Citations (6)

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Publication number Priority date Publication date Assignee Title
US5406934A (en) 1993-03-23 1995-04-18 Cain Industries, Inc. Heat recovery apparatus for use with a non-high efficiency furnace
DE19809024A1 (en) 1998-03-04 1999-09-09 Buderus Heiztechnik Gmbh Device for preparing hot water
CN2444189Y (en) 2000-09-14 2001-08-22 北京建筑工程学院 Clausilium type heat energy recover using flue gas cooling
CN1427225A (en) 2001-12-17 2003-07-02 清华大学 Direct burning adsorption type cold and warm water machine set
CN1534252A (en) 2003-03-27 2004-10-06 徐宝安 Combustion type water heater smoke exhausting heat recovery device
CN1563874A (en) 2004-04-16 2005-01-12 杨振东 Fume afterheat recovering system by hidden heat process

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5406934A (en) 1993-03-23 1995-04-18 Cain Industries, Inc. Heat recovery apparatus for use with a non-high efficiency furnace
DE19809024A1 (en) 1998-03-04 1999-09-09 Buderus Heiztechnik Gmbh Device for preparing hot water
CN2444189Y (en) 2000-09-14 2001-08-22 北京建筑工程学院 Clausilium type heat energy recover using flue gas cooling
CN1427225A (en) 2001-12-17 2003-07-02 清华大学 Direct burning adsorption type cold and warm water machine set
CN1534252A (en) 2003-03-27 2004-10-06 徐宝安 Combustion type water heater smoke exhausting heat recovery device
CN1563874A (en) 2004-04-16 2005-01-12 杨振东 Fume afterheat recovering system by hidden heat process

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