CN201652315U - Boiler sewage-discharge residual heat utilizing device - Google Patents

Boiler sewage-discharge residual heat utilizing device Download PDF

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Publication number
CN201652315U
CN201652315U CN2009202895858U CN200920289585U CN201652315U CN 201652315 U CN201652315 U CN 201652315U CN 2009202895858 U CN2009202895858 U CN 2009202895858U CN 200920289585 U CN200920289585 U CN 200920289585U CN 201652315 U CN201652315 U CN 201652315U
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China
Prior art keywords
sewage
residual heat
heat
exchanger
boiler
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CN2009202895858U
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Chinese (zh)
Inventor
刘金山
李洪生
杨尚俊
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燕京啤酒(襄樊)有限公司
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Priority to CN2009202895858U priority Critical patent/CN201652315U/en
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Publication of CN201652315U publication Critical patent/CN201652315U/en

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Abstract

The utility model provides a boiler sewage-discharge residual heat utilizing device. The upper part and the lower part of a sewage-discharge flash tank connected with a boiler sewage-discharge pipeline are respectively connected with a residual heat utilizing exchanger by adopting a residual heat sewage-discharging pipeline and a residual heat steam-discharging pipeline, the residual heat sewage-discharging pipeline and a residual heat steam-discharging pipeline are respectively communicated with a sewage residual heat exchanger and a residual heat sewage-discharging exchanger in the residual heat utilizing exchanger provided with a residual heat water recovering pipe communicated with a boiler by using water, the sewage residual heat exchanger is provided with a sewage-discharge pipe, and a residual heat steam-discharging exchanger is provided with an evacuation pipe. Residual heat of sewage-discharge pipelines of a plurality of boilers, which is discharged into the sewage-discharging flash tank, is exchanged by the residual heat utilizing exchanger so that heated cold water is recovered as the water for the boilers, and the boiler sewage-discharge residual heat utilizing device has the advantages of energy saving and no pollution and obvious effect of increasing enterprise revenues.

Description

锅炉排污余热利用装置 Boiler blowdown waste heat recovery system

技术领域 FIELD

[0001] 本实用新型涉及一种锅炉的余热利用装置,具体的说是一种锅炉排污余热利用装置。 [0001] The present invention relates to a waste heat recovery boiler means, specifically a waste heat recovery boiler blowdown apparatus.

背景技术 Background technique

[0002] 锅炉在排污时,所排出的污水中有大量的热蒸汽,通常情况下,都要将数台锅炉的排污管连接在排污扩容器内,通过排污扩容器进行降压排出污水,而排污扩容器上方的排汽管和下方的排污水管在排放时,大量的余热都随之排放了,由此造成了大量的热能损失, 特别是在多台锅炉同时使用时,所排出的余热损失更大。 [0002] When the boiler blowdown wastewater discharged in a large amount of hot steam, usually, will be connected to the outfall of the number in the boiler blowdown, sewage is discharged down through the blowdown, and the top of the blowdown exhaust pipes and sewage pipes beneath upon discharge, a large amount of waste heat emissions are followed up, thus creating a lot of heat loss, especially when simultaneously using multiple boilers, waste heat discharged loss greater.

发明内容 SUMMARY

[0003] 本实用新型的目的在于解决上述锅炉排污余热损失的问题,提供一种锅炉排污余热利用装置,可将锅炉排污的余热进行二次利用,具有显著的节能降耗效果。 [0003] The present invention aims to solve the problems of the waste heat boiler blowdown losses, there is provided a waste heat recovery boiler blowdown apparatus, waste heat boiler blowdown may be secondary use, it has a significant energy saving effect.

[0004] 本实用新型包括排污扩容器,所采用的技术方案是:在与锅炉排污管道相连的排污扩容器的上、下分别采用余热排污水管道和余热排汽管道连接有一个余热利用交换器。 [0004] The present invention includes a blowdown, the technical solutions adopted are: in the boiler blowdown line connected blowdown and lower respectively heat the sewage water pipes and heat exhaust duct is connected to a waste heat recovery exchanger . 使用时,余热利用交换器内可充入凉水,通过余热排污水和余热排汽的余热能量交换给凉水,凉水变为一定热量的热水,回收到锅炉作为用水使用。 In use, the utilization of waste heat can be filled with cold water within the exchanger by waste water and the waste heat of the exhaust heat exchanger to the cold heat energy, cooling water becomes constant heat recovery boiler as the water.

[0005] 所述余热排污水管道与余热利用交换器内的污水余热交换器相连。 The [0005] heat pipe with waste water utilizing waste heat in the water heat exchanger I is connected.

[0006] 余热排汽管道连接在余热利用交换器内的余热排污交换器上。 [0006] In the heat exhaust duct connected to the waste heat recovery heat exchanger within the discharge switch.

[0007] 余热利用交换器还设置有一个与锅炉用水相连的余热水回收管,该回收管可将余热利用交换器内通过热能交换产生的热水回收到锅炉用水处,直接作为锅炉加用水使用。 [0007] The heat exchanger is further provided the use of more than a hot water recovery pipe connected to the boiler water, the tube may be recovered using hot water in the heat exchanger by heat exchange with water to produce recovered at the boiler, the boiler water directly added as the use.

[0008] 在余热利用交换器内的污水余热交换器上还设有通往外面的排污管,排污管能将余热交换利用后的污水直接排放。 [0008] than the water in the heat exchanger using a heat exchanger is further provided with sewage pipes leading to the outside of the sewage outfall can exchange heat by direct emissions.

[0009] 余热利用交换器内的余热排汽交换器设置有一个排空管伸在外面,可将余热交换利用后的气体全部排放。 [0009] using a heat exchanger in the exhaust heat exchanger is provided with an evacuation tube extending outside, heat may be exchanged by all gas emissions.

[0010] 本实用新型通过上述技术方案,使余热利用的装置整体结构科学合理,余热利用交换器内部的热能交换器能将排污水和蒸汽的余热能量分别通过换热传递方式让热能得到二次利用,解决了现有技术中排污水直接排放造成热能损失的现状,具有投资小、收效显著的效果,且有利环保和安全生产,按中、小等企业计算,每年可通过节能实现效益20万元 [0010] By the present invention, the above technical solution, the overall structure of the apparatus using the waste heat of the scientific and rational, waste heat recovery heat exchanger capable of sewage water and steam inside the heat energy through the heat exchanger, respectively, to give the secondary transfer mode so that the thermal energy use to solve the status of the art waste water discharged directly caused by heat loss, with a small investment, the effect is significant results, and favorable environmental protection and production safety, according to the medium and small enterprise computing, enabling benefits 200,000 per year through energy conservation yuan

左右ο About ο

附图说明 BRIEF DESCRIPTION

[0011] 下面结合附图和实施例对本实用新型作进一步详述。 Drawings and embodiments of the present invention in further detail for the [0011] following binding.

[0012] 附图为本实用新型结构示意图。 [0012] BRIEF novel structural diagram of the present utility.

[0013] 图中:1、排污扩容器,2、余热利用交换器,3、余热排污交换器,4、污水余热交换器, 5、余热排污水管道,6、余热排汽管道,7、余热水回收管,8、排污管,9、排空管,10、锅炉排污管道。 [0013] FIG: 1, blowdown, 2, using the waste heat exchanger 3, heat exchanger sewage, 4, I water heat exchanger 5, heat waste water pipes, 6, heat exhaust duct 7, I hot water recovery pipe 8, sewage, 9, evacuated tube, 10, boiler blowdown pipeline.

具体实施方式 Detailed ways

[0014] 附图实施例所示:在与锅炉排污管道10相连的排污扩容器1的上、下分别采用余热排污水管道5和余热排汽管道6连接有一个余热利用交换器2。 [0014] FIG Example: On the sewage pipe connected to the boiler blowdown 10 1, respectively under heat and waste water heat recovery pipe 5 is connected to exhaust pipe 6 by using a heat exchanger 2. 余热排污水管道5与余热利用交换器2内的污水余热交换器4相连。 Heat pipe 5 and discharge water using a heat exchanger within the heat exchanger 2 is connected to the sewage I 4. 余热排汽管道6连接在余热利用交换器2内的余热排污交换器3上。 Exhaust heat pipe 6 is connected in a heat exchanger using a heat exchanger in the sewage 2 3. 余热利用交换器2设置有与锅炉用水相通的余热水回收管7。 Using waste heat exchanger 2 is provided with a hot water boiler water recovery pipe communicating over 7. 余热利用交换器2内的污水余热交换器4设置有排污管8。 2 I water within the heat exchanger using the heat exchanger 4 is provided with a sewer 8. 余热利用交换器2内的余热排污交换器3设置有排空管9。 Waste heat recovery heat exchanger 2 the switch 3 is provided with a discharge pipe 9 is evacuated.

[0015] 使用状态时,数台锅炉的锅炉排汽管道10所排放的含有蒸汽热量的污水进入排污扩容器1,排汽扩容器1通过下方的余热排污水管5将带热能的排污水输入余热利用交换器2内的污水余热交换器4,排污扩容器1上方的余热排汽管道6将带热能的蒸汽输入余热利用交换器2内余热排污交换器3,污水余热交换器4和余热排污交换器3随即通过传递换热方式将热能转换到余热利用交换器2内注入的凉水中,通常情况下,余热转换的热放可使自然凉水升温至80°C左右,所换热升温后的热水即可通过余热利用交换器2设置的余热水回收管7输入到锅炉用水处作为加入锅炉用水使用。 [0015] When in use, the boiler exhaust pipes the number of boiler water vapor containing the heat emissions 10 enters the blowdown 1, exhaust expansion 1 by heat outfall 5 beneath the strip of heat waste water input heat exchanger using the water heat exchanger 2 I 4, blowdown exhaust heat pipe 1 above the belt 6 the heat exchanger using waste heat steam input 2 heat exchanger 3 sewage, sewage and waste heat exchanger 4 than the sewage exchange 3 is then transmitted by way of a heat exchanger to heat converting thermal energy exchanger 2 using cold water injected, under normal circumstances, the discharge of heat recovery can convert natural cold water rose to about 80 ° C, the heat exchanger after heating water can be provided by the heat exchanger 2 using the I input to a hot water recovery pipe 7 of the boiler water a boiler water as added.

[0016] 本实用新型实施时,在排污扩容器1的下方和上方顶端处以及余热利用交换器2 的排污管8和排空管9上均需安装控制闸阀,以此确保封闭运行,使余热交换的正常进行, 同时,在余热利用交换器2上要设置凉水注入管口,用于凉水的正常循环加水,使凉水换热变为热水能够不间断交换供给锅炉用水。 When the invention is implemented in the blowdown outfall below and above the top end and the utilization of waste heat exchanger 2 of the evacuation pipe 8 and 9 shall be fitted with a control [0016] This valve, closed operation in order to ensure the heat normal exchange, while, in the heat exchanger 2 using cold water injection nozzle to be set for the normal circulation of cold water was added, so that cold water can be continuously changed to heat exchange with water supplied to the boiler.

Claims (6)

  1. 一种锅炉排污余热利用装置,包括排污扩容器(1),其特征在于:在与锅炉排污管道(10)相连的排污扩容器(1)的上、下分别采用余热排污水管道(5)和余热排汽管道(6)连接有一个余热利用交换器(2)。 A boiler blowdown waste heat recovery apparatus comprising a blowdown (1), characterized in that: in the boiler blowdown line (10) blowdown (1) is connected, the residual heat respectively sewage water duct (5), and heat exhaust duct (6) connected with the use of a heat exchanger (2).
  2. 2.根据权利要求1所述的锅炉排污余热利用装置,其特征在于:所述余热排污水管道(5)与余热利用交换器(2)内的污水余热交换器(4)相连。 2. A boiler according to claim 1, sewage waste heat recovery apparatus, wherein: said heat discharge water duct (5) and the heat exchanger using a heat exchanger effluent over (2) (4) is connected.
  3. 3.根据权利要求2所述的锅炉排污余热利用装置,其特征在于:余热排汽管道(6)连接在余热利用交换器(2)内的余热排污交换器(3)上。 3. A boiler according to claim 2, wherein said sewage waste heat recovery apparatus, wherein: heat exhaust duct (6) connected to the heat exchanger using a heat exchanger sewage (2) in (3).
  4. 4.根据权利要求1所述的锅炉排污余热利用装置,其特征在于:所述余热利用交换器(2)设置有与锅炉用水相通的余热水回收管(7)。 The waste heat boiler blowdown by using the apparatus of claim 1, characterized in that: said waste heat utilization exchanger (2) is provided with a hot water recovery pipe I (7) communicating with the boiler water.
  5. 5.根据权利要求2所述的锅炉排污余热利用装置,其特征在于:余热利用交换器(2) 内的污水余热交换器(4)设置有排污管(8)。 The waste heat boiler blowdown said utilization device according to claim 2, wherein: heat exchanger using effluent exchanger I (2) (4) is provided with a sewer (8).
  6. 6.根据权利要求3所述的锅炉排污余热利用装置,其特征在于:余热利用交换器(2) 内的余热排污交换器(3)设置有排空管(9)。 6. The waste heat boiler blowdown said utilization device according to claim 3, wherein: the sewage heat exchanger using heat exchanger (3) (2) is provided with evacuation pipe (9).
CN2009202895858U 2009-12-22 2009-12-22 Boiler sewage-discharge residual heat utilizing device CN201652315U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102322628A (en) * 2011-10-17 2012-01-18 山东电力工程咨询院有限公司 Periodic-blowdown drainage heat recovery system of boiler
CN102519032A (en) * 2011-12-30 2012-06-27 中冶长天国际工程有限责任公司 Sewage drainage energy-saving flash tank
CN102650424A (en) * 2011-06-02 2012-08-29 章礼道 Direct-current furnace starting system matched with middle-pressure flash tank and used for comprehensively recycling working medium and heat
CN103575104A (en) * 2012-08-10 2014-02-12 安阳市岷山有色金属有限责任公司 Pipeline improvement device of reducing furnace
CN105114935A (en) * 2015-09-21 2015-12-02 山东理工大学 Cloud measurement and control boiler waste heat system for intelligently controlling output temperature

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102650424A (en) * 2011-06-02 2012-08-29 章礼道 Direct-current furnace starting system matched with middle-pressure flash tank and used for comprehensively recycling working medium and heat
CN102650424B (en) * 2011-06-02 2015-07-01 章礼道 Direct-current furnace starting system matched with middle-pressure flash tank and used for comprehensively recycling working medium and heat
CN102322628A (en) * 2011-10-17 2012-01-18 山东电力工程咨询院有限公司 Periodic-blowdown drainage heat recovery system of boiler
CN102519032A (en) * 2011-12-30 2012-06-27 中冶长天国际工程有限责任公司 Sewage drainage energy-saving flash tank
CN102519032B (en) 2011-12-30 2014-09-24 中冶长天国际工程有限责任公司 Sewage drainage energy-saving flash tank
CN103575104A (en) * 2012-08-10 2014-02-12 安阳市岷山有色金属有限责任公司 Pipeline improvement device of reducing furnace
CN105114935A (en) * 2015-09-21 2015-12-02 山东理工大学 Cloud measurement and control boiler waste heat system for intelligently controlling output temperature
CN105114935B (en) * 2015-09-21 2017-05-31 山东理工大学 Cloud intelligent control output temperature measurement and control system of the waste heat boiler

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