CN102080935A - Device for recovering waste heat of industrial waste gas - Google Patents
Device for recovering waste heat of industrial waste gas Download PDFInfo
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- CN102080935A CN102080935A CN 201110004841 CN201110004841A CN102080935A CN 102080935 A CN102080935 A CN 102080935A CN 201110004841 CN201110004841 CN 201110004841 CN 201110004841 A CN201110004841 A CN 201110004841A CN 102080935 A CN102080935 A CN 102080935A
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Abstract
The invention discloses a device for recovering the waste heat of industrial waste gas, which comprises a tank body, a waste gas inlet, a waste gas outlet, a new gas inlet, a new gas outlet and a heat exchanger, wherein the heat exchanger is arranged in the tank body and provided with a waste gas channel and a new gas channel, and the waste gas channel and the new gas channel are isolated from each other and arranged adjacently, and can carry out heat exchange with each other; one end of the waste gas channel is communicated with the waste gas inlet, and the other end of the waste gas channel is communicated with the waste gas outlet; one end of the new gas channel is communicated with the new gas inlet, and the other end of the new gas channel is communicated with the new gas outlet; and the heat exchanger comprises a support and a plurality of heat exchange modules, the support is connected to the tank body, the heat exchange modules are arranged parallelly and detachably connected to the support, and each heat exchange module is provided with a waste gas channel and a new gas channel.
Description
Technical field
The present invention relates to a kind of waste-heat recovery device of industrial waste gas.
Background technology
In industrial production, can produce a large amount of industrial waste gases, these industrial waste gas typical temperatures are all very high, the for example boiler that uses in the industrial production, blast furnace, their flue-gas temperature is generally at two, 300 degree, that have even higher, it is very unfortunate that the diffusing high-temperature flue gas institute heat content in atmosphere of these rows is not used.And by waste gas afterheat recovery unit, can reclaim fume afterheat effectively and be used,, improve and advance the stove air themperature to add hot-air as the air-air type heat exchanger, also can dry former, auxiliary material etc.; Gas-liquid heat-exchange is to utilize fume afterheat to add hot water, can be used for producing using hot water.The energy-saving potential of energy recovery technology occupies second in 15 kinds of power-saving technologies of the best that USDOE promotes, and its pay off period is about 2 years.
Usually contain oil gas, wax, steam, volatile ingredient and dust, line hair etc. in the industrial waste gas, these impurity very easily deposit in heat exchanger, and the service time of waste-heat recovery device is of a specified duration more, and the impurity deposition is many more, influence the heat conductivility of heat exchanger tube, thereby influence heat exchanger effectiveness.So the heat exchanger in the waste-heat recovery device needs often to change cleaning, but because the internal structure of heat exchanger is complicated usually, and the gap is less between the internals, cleaning is very inconvenient.
Summary of the invention
For overcoming above-mentioned shortcoming, the object of the present invention is to provide the waste-heat recovery device of the higher industrial waste gas of a kind of heat exchanger effectiveness.
In order to reach above purpose, the technical solution used in the present invention is: a kind of waste-heat recovery device of industrial waste gas, it comprises casing, the waste gas air inlet, the waste gas air outlet, new wind air inlet, new wind air outlet and the heat exchanger that is arranged on box house, heat exchanger has mutual isolation but is adjacent, carry out the exhaust steam passage and the new wind passage of heat exchange, one end of exhaust steam passage communicates with the waste gas air inlet, the other end communicates with the waste gas air outlet, one end of new wind passage communicates with new wind air inlet, the other end communicates with new wind air outlet, heat exchanger comprise the support that is connected on the casing and a plurality of be arranged in parallel removably be connected heat exchange module on the support, this heat exchange module, this heat exchange module have exhaust steam passage and new wind passage.
Preferably, heat exchange module comprises the framework that is spliced by connecting plate, wherein a pair of relative connecting plate is connected by some horizontally disposed heat exchanger tubes, link position with described heat exchanger tube on this connecting plate is provided with through hole, this heat exchanger tube is exhaust steam passage, and the gap between the exhaust steam passage is new wind passage.
More preferably, exhaust steam passage is circular thin-wall stainless steel.
Preferably, casing is provided with first reducer pipe that connects exhaust steam passage and waste gas air inlet, so that different exhaust steam passage and the waste gas air inlets of cross sectional shape is connected.
More preferably, casing is provided with second reducer pipe that connects exhaust steam passage and waste gas air outlet, so that different exhaust steam passage and the waste gas air outlets of cross sectional shape is connected.
Preferably, casing is provided with the 3rd reducer pipe that connects new wind passage and new wind air inlet, so that different new wind passage and the new wind air inlets of cross sectional shape is connected.
More preferably, casing is provided with the 4th reducer pipe that connects new wind passage and new wind air outlet, so that different new wind passage and the new wind air outlets of cross sectional shape is connected.
The waste-heat recovery device of industrial waste gas of the present invention by adopting technique scheme, becomes dismountable some heat exchange modules with design of heat exchanger, adopts drawer-type structure, and unit volume diminishes, the member of more convenient cleaning heat exchange module inside; Each heat exchange module is relatively independent, disassembly, cleaning separately; Simple in structure, easy accessibility.
Description of drawings
Accompanying drawing 1 is a perspective view of the present invention;
Accompanying drawing 2 is a front view of the present invention;
Accompanying drawing 3 is a vertical view of the present invention;
Accompanying drawing 4 is an A-A cross-sectional schematic of the present invention;
Accompanying drawing 5 is a B-B cross-sectional schematic of the present invention.
Number in the figure is:
10, casing; 11, waste gas air inlet; 111, first reducer pipe; 12, waste gas air outlet; 121, second reducer pipe; 13, new wind air inlet; 131, the 3rd reducer pipe; 14, new wind air outlet; 141, the 4th reducer pipe; 15, the 5th reducer pipe;
20, heat exchanger; 201, heat exchange module; 202, support; 21, exhaust steam passage; 22, new wind passage; 23, connecting plate; 24, through hole;
30, pressure fan.
The specific embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present invention is described in detail, thereby protection scope of the present invention is made more explicit defining so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that.
To accompanying drawing 5, the waste-heat recovery device of the industrial waste gas in the present embodiment is an example with gas-gas waste-heat recovery device with reference to accompanying drawing 1, and promptly the new wind that carries out heat exchange with hot industry waste gas is fresh cold air.
The waste-heat recovery device of the industrial waste gas of present embodiment, it comprises casing 10, be arranged on the heat exchanger 20 of these casing 10 inside, waste gas air inlet 11, waste gas air outlet 12, new wind air inlet 13, new wind air outlet 14, heat exchanger 20 has mutual isolation but adjacent, as to carry out heat exchange exhaust steam passage 21 and new wind passage 22, one end of exhaust steam passage 21 communicates with waste gas air inlet 11, the other end communicates with waste gas air outlet 12, one end of new wind passage 22 communicates with new wind air inlet 13, and the other end communicates with new wind air outlet 14.
Waste gas air inlet 11 and new wind air outlet 14 are arranged on the same side of casing 10 in the present embodiment, new wind air outlet 14 is positioned at the top of waste gas air inlet 11, correspondingly, waste gas air outlet 12 and new wind air inlet 13 are arranged on the opposite side of corresponding casing 10, and new wind air inlet 13 is positioned at the top of waste gas air outlet 12.Like this, adopt reflux type to carry out heat exchange, be that high-temp waste gas is opposite with the flow direction of new wind, at waste gas air inlet 11 places, still there is the temperature difference without the high-temp waste gas of crossing heat exchange and the new wind after heating up through a heat exchange in waste gas air outlet place 12, can proceed heat exchange again, similarly, at waste gas air outlet 12 places, still there is the temperature difference in the waste gas after waste gas air inlet 11 places are through heat exchange cooling with the new wind without heat exchange excessively, can proceed heat exchange again, present technique field personnel can be easy to find out, the waste-heat recovery device of the industrial waste gas of present embodiment can carry out twice heat exchange, and heat exchange is more abundant, and efficient is higher.
Be provided with pressure fan 30 at new wind air inlet 13, be used to produce negative pressure, the industrial waste gas that the new wind regime source that temperature is lower is constantly sent in the casing 10 and temperature is higher carries out heat exchange.Pressure fan 30 adopts VFC, can maintain preferable duty.
The casing 10 of present embodiment is designed to U-shaped, heat exchanger 20 is positioned at the middle part of casing 10, top is provided with the 3rd reducer pipe 131 that connects different new wind air inlet of cross sectional shape 13 and new wind passage 22, and the 4th reducer pipe 141 that connects different new wind air outlet of cross sectional shape 14 and new wind passage 22, the two ends that casing 10 bottoms are provided with the 5th reducer pipe 15, the five reducer pipes 15 all communicate with new wind passage 22.As shown in Figure 2, be provided with first reducer pipe 111 and second reducer pipe 121 in the left and right sides of casing, first reducer pipe 111 connects the different exhaust steam passage 21 of cross sectional shape and waste gas air inlet 11, the second reducer pipes 121 connect different exhaust steam passage 21 and the waste gas air outlets 12 of cross sectional shape.
Among the embodiment shown in accompanying drawing 4 and accompanying drawing 5, heat exchanger 20 comprises that the support 202 that is connected on the casing 10 and six be arranged in parallel removably is connected heat exchange module 201 on the support 202, and each heat exchange module 201 all has exhaust steam passage 21 and new wind passage 22.Heat exchange module 201 comprises the rectangular frame that is spliced by connecting plate 23, wherein a pair of relative connecting plate 23 is connected by some horizontally disposed heat exchanger tubes, link position with heat exchanger tube on this connecting plate 23 is provided with through hole 24, so that the two ends of heat exchanger tube are not sealed, can be communicated with other positions, this heat exchanger tube is described exhaust steam passage 21, and the gap between the described exhaust steam passage 21 is described new wind passage 22, the exhaust steam passage 21 of position correspondence is connected, and promptly the new wind passage 22 of position correspondence also is connected.Between exhaust steam passage 21 and the 3rd reducer pipe 131, the 4th reducer pipe 141 and the 5th reducer pipe 15 is airtight, and is airtight between the new wind passage 22 and first reducer pipe 111, second reducer pipe 121.Exhaust steam passage 21 is the thin-wall stainless steel of the good and lighter weight of heat conductivility, and rate of heat exchange is fast, the usefulness height.Adopt non-welded pipe simultaneously,, be convenient to gas flow and sedimental cleaning because of it has smooth inner surface; And this heat exchanger tube can adopt the bigger pipe of diameter, diameter 30mm for example, and gas flow rates is low like this, and deposit is little to the influence of air-flow, and bigger its inside of the easier cleaning of pipe of diameter.The number of heat exchange module 201 can be set according to concrete condition.
Be provided with the temperature measuring equipment (not shown) respectively at waste gas air inlet 11, waste gas air outlet 12, new wind air inlet 13 and new wind air outlet 14 places, everywhere temperature more than the induction respectively, can find out the energy-saving effect of this waste-heat recovery device intuitively, and can remind the heat exchanging device to clean by showing energy-saving effect.
Above embodiment only is explanation technical conceive of the present invention and characteristics; its purpose is to allow the people that is familiar with this technology understand content of the present invention and is implemented; can not limit protection scope of the present invention with this; all equivalences that spirit essence is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (7)
1. the waste-heat recovery device of an industrial waste gas, it comprises casing (10), waste gas air inlet (11), waste gas air outlet (12), new wind air inlet (13), new wind outlet (14) and the heat exchanger (20) that is arranged on described casing (10) inside, described heat exchanger (20) has mutual isolation but is adjacent, carry out the exhaust steam passage (21) and the new wind passage (22) of heat exchange, one end of described exhaust steam passage (21) communicates with described waste gas air inlet (11), the other end communicates with described waste gas air outlet (12), one end of described new wind passage (22) communicates with described new wind air inlet (13), the other end communicates with described new wind outlet (14), it is characterized in that: described heat exchanger (20) comprise the support (202) that is connected on the described casing (10) and a plurality of be arranged in parallel removably be connected heat exchange module (201) on the described support (202), this heat exchange module (201) has described exhaust steam passage (21) and described new wind passage (22).
2. the waste-heat recovery device of industrial waste gas according to claim 1, it is characterized in that: described heat exchange module (201) comprises the rectangular frame that is spliced by connecting plate (23), wherein a pair of relative connecting plate (23) is connected by some horizontally disposed heat exchanger tubes, be provided with through hole (24) at the last link position of this connecting plate (23) with described heat exchanger tube, this heat exchanger tube is described exhaust steam passage (21), and the gap between the described exhaust steam passage (21) is a described new wind passage (22).
3. the waste-heat recovery device of industrial waste gas according to claim 1, it is characterized in that: described exhaust steam passage (21) is circular thin-wall stainless steel.
4. the waste-heat recovery device of industrial waste gas according to claim 1, it is characterized in that: described casing (10) is provided with first reducer pipe (111) that connects described exhaust steam passage (21) and waste gas air inlet (11), so that different described exhaust steam passage (21) and the waste gas air inlets (11) of cross sectional shape is connected.
5. to remove the waste-heat recovery device of 6 described industrial waste gases according to right, it is characterized in that: described casing (10) is provided with second reducer pipe (121) that connects described exhaust steam passage (21) and waste gas air outlet (12), so that different described exhaust steam passage (21) and the waste gas air outlets (12) of cross sectional shape is connected.
6. the waste-heat recovery device of industrial waste gas according to claim 1, it is characterized in that: described casing (10) is provided with the 3rd reducer pipe (131) that connects described new wind passage (22) and new wind air inlet (13), so that different described new wind passage (22) and the new wind air inlets (13) of cross sectional shape is connected.
7. the waste-heat recovery device of industrial waste gas according to claim 1, it is characterized in that: described casing (10) is provided with the 4th reducer pipe (141) that connects described new wind passage (22) and new wind air outlet (14), so that different described new wind passage (22) and the new wind air outlets (14) of cross sectional shape is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110004841 CN102080935A (en) | 2011-01-12 | 2011-01-12 | Device for recovering waste heat of industrial waste gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110004841 CN102080935A (en) | 2011-01-12 | 2011-01-12 | Device for recovering waste heat of industrial waste gas |
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| CN102080935A true CN102080935A (en) | 2011-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110004841 Pending CN102080935A (en) | 2011-01-12 | 2011-01-12 | Device for recovering waste heat of industrial waste gas |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106017142A (en) * | 2016-07-01 | 2016-10-12 | 无锡市豫达换热器有限公司 | Fresh air and waste air heat exchanger |
| CN106524775A (en) * | 2016-12-27 | 2017-03-22 | 江苏宜达新材料科技股份有限公司 | Heat recovery unit for glass melting furnace |
| CN107455711A (en) * | 2017-08-16 | 2017-12-12 | 姜晓明 | A kind of portable instant health care walnut powder quick processing device |
| CN109751905A (en) * | 2019-01-30 | 2019-05-14 | 佛山市科蓝环保科技股份有限公司 | Heat-exchanger rig for industry lampblack purification |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5697619A (en) * | 1996-04-01 | 1997-12-16 | Abb Air Preheater, Inc. | Radial seal for air preheaters |
| CN100460795C (en) * | 2006-05-22 | 2009-02-11 | 北京美联桥科技发展有限公司 | U-shape tube type heat exchanger |
| CN201697152U (en) * | 2010-04-09 | 2011-01-05 | 溧阳市恒祥特钢机械制造有限公司 | Novel combined type plate air preheater |
| CN201935597U (en) * | 2011-01-12 | 2011-08-17 | 张家港市保丽洁环保科技有限公司 | Afterheat recovery plant for industrial waste gas |
-
2011
- 2011-01-12 CN CN 201110004841 patent/CN102080935A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5697619A (en) * | 1996-04-01 | 1997-12-16 | Abb Air Preheater, Inc. | Radial seal for air preheaters |
| CN100460795C (en) * | 2006-05-22 | 2009-02-11 | 北京美联桥科技发展有限公司 | U-shape tube type heat exchanger |
| CN201697152U (en) * | 2010-04-09 | 2011-01-05 | 溧阳市恒祥特钢机械制造有限公司 | Novel combined type plate air preheater |
| CN201935597U (en) * | 2011-01-12 | 2011-08-17 | 张家港市保丽洁环保科技有限公司 | Afterheat recovery plant for industrial waste gas |
Non-Patent Citations (1)
| Title |
|---|
| 《火力发电设备技术手册 第一卷：锅炉》 20000430 中国动力工程学会 火力发电设备技术手册 第一卷：锅炉 第9-9～9-12页 2 , 1 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106017142A (en) * | 2016-07-01 | 2016-10-12 | 无锡市豫达换热器有限公司 | Fresh air and waste air heat exchanger |
| CN106524775A (en) * | 2016-12-27 | 2017-03-22 | 江苏宜达新材料科技股份有限公司 | Heat recovery unit for glass melting furnace |
| CN107455711A (en) * | 2017-08-16 | 2017-12-12 | 姜晓明 | A kind of portable instant health care walnut powder quick processing device |
| CN107455711B (en) * | 2017-08-16 | 2021-01-29 | 山东天久生物技术有限公司 | Portable instant health care walnut powder rapid processing device |
| CN109751905A (en) * | 2019-01-30 | 2019-05-14 | 佛山市科蓝环保科技股份有限公司 | Heat-exchanger rig for industry lampblack purification |
| CN109751905B (en) * | 2019-01-30 | 2024-07-09 | 佛山市科蓝环保科技股份有限公司 | Heat exchange device for purifying industrial oil fume |
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Application publication date: 20110601 |