CN202092315U - Flue gas waste heat recovery device - Google Patents

Flue gas waste heat recovery device Download PDF

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Publication number
CN202092315U
CN202092315U CN2011202105974U CN201120210597U CN202092315U CN 202092315 U CN202092315 U CN 202092315U CN 2011202105974 U CN2011202105974 U CN 2011202105974U CN 201120210597 U CN201120210597 U CN 201120210597U CN 202092315 U CN202092315 U CN 202092315U
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heat exchanger
pipe
chimney
flue gas
water
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CN2011202105974U
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许立辉
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DONGGUAN HEYUAN ENERGY-SAVING ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
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DONGGUAN HEYUAN ENERGY-SAVING ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
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Abstract

一种烟气余热回收装置,包括锅炉和烟囱,锅炉的出气口与烟囱连通,还包括管式换热器、保温水箱,管式换热器装于换热器支架上,管式换热器进气端和出气端分别与烟囱连通,管式换热器的进水口通过管道与保温水箱的下部连通、出水口通过管道与保温水箱的上部连通,保温水箱上端设置有进冷水管、底部设置有出水管,出水管上设置有热水输送泵。本实用新型充分利用废弃烟气的热能,与冷水进行换热,转换成可使用的热水,换热效率高,为用户节约了能源。

Figure 201120210597

A flue gas waste heat recovery device includes a boiler and a chimney, wherein the air outlet of the boiler is connected to the chimney, and further includes a tubular heat exchanger and an insulated water tank. The tubular heat exchanger is mounted on a heat exchanger bracket, and the air inlet and air outlet of the tubular heat exchanger are respectively connected to the chimney. The water inlet of the tubular heat exchanger is connected to the lower part of the insulated water tank through a pipeline, and the water outlet is connected to the upper part of the insulated water tank through a pipeline. A cold water inlet pipe is arranged at the upper end of the insulated water tank, and a water outlet pipe is arranged at the bottom. A hot water delivery pump is arranged on the water outlet pipe. The utility model makes full use of the heat energy of the waste flue gas, exchanges heat with cold water, and converts it into usable hot water. The heat exchange efficiency is high, and energy is saved for users.

Figure 201120210597

Description

一种烟气余热回收装置A flue gas waste heat recovery device

技术领域 technical field

本实用新型涉及一种余热回收装置,具体地说是一种烟道中烟气余热的回收装置。 The utility model relates to a waste heat recovery device, in particular to a recovery device for waste heat of flue gas in a flue.

背景技术 Background technique

节能减排、低碳经济、循环利用是目前国际上积极倡导、推选的行动,越来越多的燃油燃气锅炉投入使用。冶金行业、有色行业和机械加工行业的加热炉、热处理炉等锅炉,烟气通过烟道流失到大气中,不仅造成环境污染,还浪费了烟气中含有的大量热能。 Energy conservation and emission reduction, low-carbon economy, and recycling are actions actively advocated and recommended internationally at present, and more and more oil-fired gas-fired boilers are put into use. For boilers such as heating furnaces and heat treatment furnaces in the metallurgical industry, non-ferrous industry and mechanical processing industry, the flue gas is lost into the atmosphere through the flue, which not only causes environmental pollution, but also wastes a lot of heat energy contained in the flue gas.

为了提高能源的利用率,通常会安装空气换热器,进入烟道的烟气通过空气换热器换热,但由于空气换热器的局限性,利用空气换热器所带来的热交换效率较低,不能充分利用烟气的热能。 In order to improve the utilization rate of energy, an air heat exchanger is usually installed, and the flue gas entering the flue is heat-exchanged through the air heat exchanger, but due to the limitations of the air heat exchanger, the heat exchange brought by the air heat exchanger The efficiency is low, and the heat energy of the flue gas cannot be fully utilized.

发明内容 Contents of the invention

本实用新型要解决的技术问题是提供一种换热效率高、实施简单的烟气余热回收装置。 The technical problem to be solved by the utility model is to provide a flue gas waste heat recovery device with high heat exchange efficiency and simple implementation.

为了解决上述技术问题,本实用新型采取以下技术方案: In order to solve the above technical problems, the utility model takes the following technical solutions:

一种烟气余热回收装置,包括锅炉和烟囱,锅炉的出气口与烟囱连通,还包括管式换热器、保温水箱,管式换热器装于换热器支架上,管式换热器进气端和出气端分别与烟囱连通,管式换热器的进水口通过管道与保温水箱的下部连通、出水口通过管道与保温水箱的上部连通,保温水箱上端设置有进冷水管、底部设置有出水管,出水管上设置有热水输送泵。 A flue gas waste heat recovery device, including a boiler and a chimney, the gas outlet of the boiler communicates with the chimney, and also includes a tubular heat exchanger and a thermal insulation water tank, the tubular heat exchanger is installed on the heat exchanger support, and the tubular heat exchanger The air inlet and outlet are respectively connected with the chimney. The water inlet of the tubular heat exchanger is connected with the lower part of the heat preservation water tank through the pipe, and the water outlet is connected with the upper part of the heat preservation water tank through the pipe. There is a water outlet pipe, and a hot water delivery pump is arranged on the water outlet pipe.

所述管式换热器的进气端通过进烟气管与烟囱连通、出气端通过出烟气管与烟囱连通,该进烟气管内设置有换热器风量控制阀。 The inlet end of the tubular heat exchanger communicates with the chimney through the flue gas inlet pipe, and the gas outlet end communicates with the chimney through the flue gas outlet pipe, and the air volume control valve of the heat exchanger is arranged in the flue gas inlet pipe.

所述烟囱内设置有位于进烟气管上方、出烟气管下方的烟囱风量控制阀。 The chimney is provided with a chimney air volume control valve located above the flue gas inlet pipe and below the flue gas outlet pipe.

所述管式换热器上的进水口与保温水箱间的管道上装设有换热器循环泵。 A heat exchanger circulation pump is installed on the pipeline between the water inlet on the tubular heat exchanger and the heat preservation water tank.

所述保温水箱上装接的进冷水管上设置有补冷水装置。 The cold water inlet pipe attached to the heat preservation water tank is provided with a cold water supply device.

本实用新型利用锅炉等炉体产生的废弃的高温烟气的热能,将该热能与冷水进行换热使冷水转换成热水,可作居民生活用水或工厂使用,不仅变废为宝,还减少了高温烟气对大气的污染,起到了良好的环保作用,节约了能源,换热效率高,实施简单。 The utility model utilizes the heat energy of the discarded high-temperature flue gas produced by boilers and other furnaces, and exchanges the heat energy with cold water to convert the cold water into hot water, which can be used as domestic water for residents or factories. It not only turns waste into treasure, but also reduces It prevents the pollution of high-temperature flue gas to the atmosphere, plays a good role in environmental protection, saves energy, has high heat exchange efficiency, and is simple to implement.

附图说明 Description of drawings

附图1为本实用新型组装管道连接示意图。 Accompanying drawing 1 is the schematic diagram of the connection of the assembly pipeline of the present utility model.

具体实施方式 Detailed ways

为了便于本领域技术人员的理解,下面结合附图对本实用新型作进一步的描述。 In order to facilitate the understanding of those skilled in the art, the utility model will be further described below in conjunction with the accompanying drawings.

如附图1所述,一种烟气余热回收装置,包括锅炉和烟囱1,锅炉的出气口与烟囱1连通,还包括管式换热器2、保温水箱,管式换热器2装于换热器支架3上,管式换热器2进气端和出气端分别与烟囱1连通,管式换热器2的进水口21通过管道与保温水箱的下部连通、出水口22通过管道与保温水箱的上部连通,保温水箱上端设置有进冷水管4、底部设置有出水管5,出水管5上设置有热水输送泵12。管式换热器2的进气端通过进烟气管6与烟囱1连通、出气端通过出烟气管7与烟囱1连通,该进烟气管6内设置有换热器风量控制阀8,便于控制进入管式换热器2中的烟气量。在烟囱2内还设置有位于进烟气管6上方、出烟气管7下方的烟囱风量控制阀9,便于工作人员控制烟气的排放量。 As shown in Figure 1, a flue gas waste heat recovery device includes a boiler and a chimney 1, the gas outlet of the boiler communicates with the chimney 1, and also includes a tubular heat exchanger 2 and an insulated water tank. The tubular heat exchanger 2 is installed in On the heat exchanger bracket 3, the inlet end and the outlet end of the tubular heat exchanger 2 communicate with the chimney 1 respectively, the water inlet 21 of the tubular heat exchanger 2 communicates with the lower part of the heat preservation water tank through the pipeline, and the water outlet 22 communicates with the lower part of the heat preservation water tank through the pipeline. The upper part of the thermal insulation water tank is connected, and the upper end of the thermal insulation water tank is provided with a cold water inlet pipe 4, and the bottom is provided with a water outlet pipe 5, and a hot water delivery pump 12 is arranged on the water outlet pipe 5. The inlet end of the tubular heat exchanger 2 communicates with the chimney 1 through the flue gas inlet pipe 6, and the gas outlet end communicates with the chimney 1 through the flue gas outlet pipe 7, and the air volume control valve 8 of the heat exchanger is arranged in the flue gas inlet pipe 6 , to facilitate the control of the amount of flue gas entering the tubular heat exchanger 2 . In the chimney 2, a chimney air volume control valve 9 located above the flue gas pipe 6 and below the flue gas pipe 7 is provided to facilitate the staff to control the discharge of flue gas.

在管式换热器2上的进水口21与保温水箱间的管道上装设有换热器循环泵10。为了更加方便的补充冷水,保温水箱上装接的进冷水管4上设置有补冷水装置11。 A heat exchanger circulation pump 10 is installed on the pipeline between the water inlet 21 on the tubular heat exchanger 2 and the heat preservation water tank. In order to replenish cold water more conveniently, a cold water supplying device 11 is provided on the cold water inlet pipe 4 attached to the thermal water tank.

本实用新型充分利用高温烟气,将高温烟气包含的热能与冷水进行换热,使冷水转换成热水,可作生活用水或提供给工厂使用,换热效率高,能源利用率强,减少了废弃烟气对大气的污染,起到了良好的环保作用,节约了能源,降低了企业的生产成本。 The utility model makes full use of the high-temperature flue gas, exchanges the heat energy contained in the high-temperature flue gas with cold water, and converts the cold water into hot water, which can be used as domestic water or provided to factories. It has played a good role in environmental protection, saved energy and reduced the production cost of enterprises.

Claims (5)

1. flue gas waste heat recovery apparatus, comprise boiler and chimney (1), the gas outlet of boiler is communicated with chimney, it is characterized in that: also comprise pipe heat exchanger (2), attemperater, pipe heat exchanger is loaded on the heat exchanger support (3), pipe heat exchanger inlet end and outlet side are communicated with chimney respectively, the water inlet of pipe heat exchanger (21) is communicated with the bottom of attemperater by pipeline, delivery port (22) is communicated with the top of attemperater by pipeline, the attemperater upper end is provided with into cold water pipe (4), the bottom is provided with outlet pipe (5), and outlet pipe is provided with hot water supplying pump (12).
2. flue gas waste heat recovery apparatus according to claim 1, it is characterized in that: fume pipe (6) is communicated with chimney the inlet end of described pipe heat exchanger by advancing, the outlet side is communicated with chimney by going out fume pipe (7), and this advances to be provided with in the fume pipe heat exchanger volume control damper (8).
3. flue gas waste heat recovery apparatus according to claim 2 is characterized in that: be provided with the chimney volume control damper (9) that is positioned at the top of fume pipe into, goes out the fume pipe below in the described chimney.
4. flue gas waste heat recovery apparatus according to claim 3 is characterized in that: be equiped with heat exchanger circulating pump (10) on water inlet on the pipe heat exchanger that described chimney is communicated with and the pipeline between attemperater.
5. flue gas waste heat recovery apparatus according to claim 1 is characterized in that: the cold water pipe that advances of attaching is provided with benefit cold water device (11) on the described attemperater.
CN2011202105974U 2011-06-21 2011-06-21 Flue gas waste heat recovery device Expired - Fee Related CN202092315U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104633685A (en) * 2015-01-30 2015-05-20 无锡昊瑜节能环保设备有限公司 Boiler combustion furnace smoke environment-friendly energy-saving recovery device
CN107091478A (en) * 2017-05-23 2017-08-25 中国恩菲工程技术有限公司 Incinerator apptss

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104633685A (en) * 2015-01-30 2015-05-20 无锡昊瑜节能环保设备有限公司 Boiler combustion furnace smoke environment-friendly energy-saving recovery device
CN107091478A (en) * 2017-05-23 2017-08-25 中国恩菲工程技术有限公司 Incinerator apptss

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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20111228

Termination date: 20130621