CN102607319A - Heat exchange tube bundle positioning net for flue gas heat exchanger with fluorine plastic heat exchange tubes - Google Patents
Heat exchange tube bundle positioning net for flue gas heat exchanger with fluorine plastic heat exchange tubes Download PDFInfo
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- CN102607319A CN102607319A CN2012100942901A CN201210094290A CN102607319A CN 102607319 A CN102607319 A CN 102607319A CN 2012100942901 A CN2012100942901 A CN 2012100942901A CN 201210094290 A CN201210094290 A CN 201210094290A CN 102607319 A CN102607319 A CN 102607319A
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- flue gas
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Abstract
A heat exchange tube bundle positioning net for a flue gas heat exchanger with fluorine plastic heat exchange tubes is formed by interweaving parallelly distributed positioning net weft and parallelly distributed positioning net warp. The positioning net is made of a rigid high-temperature-resistant corrosion-resistant material, the net surface of the positioning net is perpendicular to the axis of the heat exchange tube bundle, the size of each mesh of the positioning net is adapted to the diameter of each fluorine plastic heat exchange tube, and the periphery of the positioning net extends to an inner wall of a flue gas heat exchanger casing. The heat exchange tube bundle positioning net is applied to the flue gas heat exchanger with the fluorine plastic heat exchange tubes, is used for positioning a fluorine plastic heat exchange tube bundle, can avoid shaking deformation of the fluorine plastic heat exchange tube bundle caused by flowing impact of flue gas, enables the fluorine plastic heat exchange tubes in the flue gas heat exchanger with the fluorine plastic heat exchange tubes to maintain intervals, enables the flue gas to circulate smoothly and guarantees full contact and heat exchange between the flue gas and the fluorine plastic heat exchange tubes.
Description
Technical field
The present invention relates to the heat-exchanging tube bundle positioner on a kind of flue gas heat exchange device that is applied in the flue gas waste heat recovery system.
Background technology
Flue gas waste heat recovery system is meant the flue gas heat exchange device is set in the boiler tail flue gas runner, utilizes refrigerant medium and flue gas to carry out heat exchange, the waste heat in the recovery boiler discharging flue gas.In the flue gas waste heat recovery process; Along with the reduction of flue-gas temperature, the possibility that the acid ingredient in the flue gas has dewfall and concentrates, its corrosivity is very strong; And the flue dust in the flue gas also can assemble sedimentation in the heat-exchanging tube bundle of flue gas heat exchange device, so the condition of work very severe of flue gas heat exchange device.Flue gas heat exchange device in traditional flue gas waste heat recovery system generally is to adopt the metallic recuperator tube bank; The device for positioning and securing of conventional metallic recuperator tube bank is a plate-tube type; Promptly, the metallic recuperator tube bank is fixed on the metallic plate at the port arrangements device for positioning and securing of metallic recuperator tube bank.
In order to overcome abominable condition of work; Heat exchanger tube in some flue gas heat exchange devices can adopt the fluoroplastics heat exchanger tube; Though the thermal conductivity factor of fluoroplastics heat exchanger tube is poor than metal material, has good toughness, corrosion-resistant, advantages of high strength; So the heat exchange wall of fluoroplastics heat exchanger tube is thin, caliber is less; Have many fluoroplastics heat exchanger tubes in the flue gas heat exchange device, and many fluoroplastics heat exchanger tubes can form the fluoroplastics heat-exchanging tube bundle, adopt the flue gas heat exchange device of fluoroplastics heat-exchanging tube bundle more can adapt to the working environment of flue gas waste heat recovery system; Especially adopted the flue gas heat exchange device of fluoroplastics heat-exchanging tube bundles to be applicable to the heat exchange of gas-water, its maximum characteristics are to reclaim more fume afterheat.
But this flue gas heat exchange device of fluoroplastics heat-exchanging tube bundles that adopted also has shortcoming; That fluoroplastics heat exchanger tube that is exactly in the fluoroplastics heat-exchanging tube bundle is flexible; Under the impact flow of flue gas, be easy to generate shake and deform, thus not only be very easy to damage, and also variation thereupon of heat exchange efficiency; How these fluoroplastics heat exchanger tubes are fixed, located, become a urgent problem at present.
Summary of the invention
The purpose of this invention is to provide a kind of heat-exchanging tube bundle network for location that is used for fluoroplastics heat exchanger tube flue gas heat exchange device, solve the technical problem that the fluoroplastics heat exchanger tube in the fluoroplastics heat exchanger tube flue gas heat exchange device is easy to generate shake and deforms.
For realizing above-mentioned purpose; The present invention adopts following technical scheme: a kind of heat-exchanging tube bundle network for location that is used for fluoroplastics heat exchanger tube flue gas heat exchange device; It is characterized in that: said network for location is interwoven by the network for location parallel of parallel distribution and the network for location warp of parallel distribution; Said network for location is the corrosion-and high-temp-resistant material of rigidity; The wire side of said network for location and the axis normal of heat-exchanging tube bundle, the diameter of the size of network for location mesh and fluoroplastics heat exchanger tube adapts, and the periphery of said network for location extends to the inwall of flue gas heat exchange device shell.
Said network for location is spaced apart along heat-exchanging tube bundle.
The mesh of said network for location is used for inserting the fluoroplastics heat exchanger tube along the weft direction order, jumps lattice along warp direction and inserts the fluoroplastics heat exchanger tube.
The mesh of said network for location is used for inserting the fluoroplastics heat exchanger tube along the warp direction order, jumps lattice along weft direction and inserts the fluoroplastics heat exchanger tube.
The broadwise width (d1) of the mesh of said network for location is 2mm～10mm, and warp-wise width (d2) is 2mm～15mm.
Compared with prior art the present invention has following characteristics and beneficial effect: the present invention is applied in the fluoroplastics heat exchanger tube flue gas heat exchange device (in the inside of fluoroplastics heat exchanger tube flue gas heat exchange device; Whenever keep at a certain distance away and just use a present invention to fix the fluoroplastics heat-exchanging tube bundle); The location (fixing) that is used for the fluoroplastics heat-exchanging tube bundle; Can prevent that like this fluoroplastics heat-exchanging tube bundle from shaking distortion under the impact flow of flue gas; Can also make each fluoroplastics heat exchanger tube in the fluoroplastics heat exchanger tube flue gas heat exchange device keep the gap, flue gas is circulated smoothly, guarantee flue gas and the abundant contact heat-exchanging of fluoroplastics heat exchanger tube; Version of the present invention can make the plane of orientation of fluoroplastics heat-exchanging tube bundle that dust stratification does not take place; Guarantee the reliability service of fluoroplastics heat exchanger tube flue gas heat exchange device; Guarantee the heat exchange efficiency of fluoroplastics heat exchanger tube flue gas heat exchange device; That is to say, improved the service life and the operational reliability of fluoroplastics heat-exchanging tube bundles greatly.
Description of drawings
Below in conjunction with accompanying drawing the present invention is done further detailed explanation.
Fig. 1 is the sketch map that fluoroplastics heat exchanger tube flue gas heat exchange device is arranged on flue.
Fig. 2 is the sketch map of A-A section among Fig. 1.
Fig. 3 is the enlarged diagram at I place among Fig. 2.
Reference numeral: 1-network for location parallel, 2-network for location warp, 3-hole lattice, 4-flue gas heat exchange device shell, 5-fluoroplastics heat exchanger tube, 6-flue, 7-water inlet, 8-apopore, 9-sewage draining exit.
The specific embodiment
Embodiment is referring to Fig. 1-shown in Figure 3; This heat-exchanging tube bundle network for location that is used for fluoroplastics heat exchanger tube flue gas heat exchange device; It is characterized in that: said network for location is interwoven by the network for location parallel 1 of parallel distribution and the network for location warp 2 of parallel distribution; Said network for location is the corrosion-and high-temp-resistant material of rigidity; The wire side of said network for location and the axis normal of heat-exchanging tube bundle, the diameter of the size of network for location mesh 3 and fluoroplastics heat exchanger tube 5 adapts, and the periphery of said network for location extends to the inwall of flue gas heat exchange device shell 4.
Said network for location is spaced apart along heat-exchanging tube bundle.The heat-exchanging tube bundle network for location that is used for fluoroplastics heat exchanger tube flue gas heat exchange device can be only in flue gas heat exchange device shell 4, to be provided with one, also can be in flue gas heat exchange device shell 4, the parallel interval row that distributes from top to bottom.
The mesh 3 of said network for location is used for inserting fluoroplastics heat exchanger tube 5 along the weft direction order, jumps lattice along warp direction and inserts fluoroplastics heat exchanger tube 5.
The mesh 3 of said network for location is used for inserting fluoroplastics heat exchanger tube 5 along the warp direction order, jumps lattice along weft direction and inserts fluoroplastics heat exchanger tube 5.
Said fluoroplastics heat exchanger tube flue gas heat exchange device is arranged in the flue 6, and flue gas is horizontally through fluoroplastics heat exchanger tube flue gas heat exchange device shown in figure hollow core arrow, and flue gas heat exchange device shell 4 is provided with water inlet 7, apopore 8 and sewage draining exit 9.
Referring to Fig. 3; As most preferred embodiment; Continue to use in weft direction, the fluoroplastics heat exchanger tube 5 of the heat-exchanging tube bundle network for location of fluoroplastics heat exchanger tube flue gas heat exchange device be set in sequence in that network for location parallel 1 and network for location warp 2 surround mesh 3 in, continue to use that warp direction, fluoroplastics heat exchanger tube 5 in the heat-exchanging tube bundle network for location of fluoroplastics heat exchanger tube flue gas heat exchange device jump that lattice are arranged on that network for location parallel 1 and network for location warp 2 surround hole lattice 3 in.Adopt this arrangement; The one, can make each fluoroplastics heat exchanger tube keep the gap; Flue gas is circulated smoothly; Make the heat exchanger effectiveness of fluoroplastics heat-exchanging tube bundle the highest, the 2nd, the jumping lattice leave the empty part branch in the middle of being provided with and can making network for location, and the empty part branch can make the dust stratification between two heat exchanger tubes not retain.
The heat-exchanging tube bundle network for location that is used for fluoroplastics heat exchanger tube flue gas heat exchange device is corrosion-resistant material (corrosive deposit of ability flue gas); The selection principle has certain rigid for can tolerate 200 ℃, both can be to removably connect between network for location and the outer cover of heat exchanger; Also can be to be fixedly connected; In addition, network for location both can be the big net of whole piece, also can be to be combined into a big net by one one little net.
The size of hole lattice 3 confirms that according to the heat-exchanging tube bundle caliber in general, the broadwise width d1 of hole lattice 3 is 2mm～10mm, and warp-wise width d2 is 2mm～15mm.
In certain flue gas waste heat recovery pilot project, adopted to have fluoroplastics heat exchanger tube flue gas heat exchange device of the present invention, utilized industry water to absorb waste heat in the flue gas, heat-exchanging tube bundle is made up of 2400 Φ 5mm heat exchanger tubes, and the U type is restrained high 11m, heat exchange area 650m
2Heat exchanger has used the present invention in this project; Along the heat-exchanging tube bundle short transverse 22 network for location unit being set altogether forms; The network for location warp is arranged between 12mm and two kinds of specifications of 8.5mm; Each network for location unit has fixedly mounted 4800 Φ 5mm heat exchanger tubes, the about 500mm of each network for location unit interval, and network for location is interwoven by stainless steel (model 316L) metal wire of 3mm diameter.The heat exchanger cross section is 1.63 * 1m, the smoke inlet flow 250000m of heat exchanger
3/ h, 108 ℃ of entrance flue gas temperatures, industry water flow 40m
3/ h, 26.3 ℃ of inlet water temperatures, through after the heat exchange, the heat exchanger exit flue-gas temperature is reduced to 70.8 ℃, industry water temperature rise to 71.4 ℃.Move after 6 months, the heat exchange effect is stable always, and does not form dust stratification on the network for location.
Claims (5)
1. heat-exchanging tube bundle network for location that is used for fluoroplastics heat exchanger tube flue gas heat exchange device; It is characterized in that: said network for location is interwoven by the network for location parallel (1) of parallel distribution and the network for location warp (2) of parallel distribution; Said network for location is the corrosion-and high-temp-resistant material of rigidity; The wire side of said network for location and the axis normal of heat-exchanging tube bundle; The diameter of the size of network for location mesh (3) and fluoroplastics heat exchanger tube (5) adapts, and the periphery of said network for location extends to the inwall of flue gas heat exchange device shell (4).
2. the heat-exchanging tube bundle network for location that is used for fluoroplastics heat exchanger tube flue gas heat exchange device according to claim 1, it is characterized in that: said network for location is spaced apart along heat-exchanging tube bundle.
3. the heat-exchanging tube bundle network for location that is used for fluoroplastics heat exchanger tube flue gas heat exchange device according to claim 1; It is characterized in that: the mesh of said network for location (3) is used for inserting fluoroplastics heat exchanger tubes (5) along the weft direction order, jumps lattice along warp direction and inserts fluoroplastics heat exchanger tubes (5).
4. the heat-exchanging tube bundle network for location that is used for fluoroplastics heat exchanger tube flue gas heat exchange device according to claim 1; It is characterized in that: the mesh of said network for location (3) is used for inserting fluoroplastics heat exchanger tubes (5) along the warp direction order, jumps lattice along weft direction and inserts fluoroplastics heat exchanger tubes (5).
5. the heat-exchanging tube bundle network for location that is used for fluoroplastics heat exchanger tube flue gas heat exchange device according to claim 1 is characterized in that: the broadwise width (d1) of the mesh of said network for location (3) is 2mm～10mm, and warp-wise width (d2) is 2mm～15mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100942901A CN102607319A (en) | 2012-04-01 | 2012-04-01 | Heat exchange tube bundle positioning net for flue gas heat exchanger with fluorine plastic heat exchange tubes |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100942901A CN102607319A (en) | 2012-04-01 | 2012-04-01 | Heat exchange tube bundle positioning net for flue gas heat exchanger with fluorine plastic heat exchange tubes |
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|---|---|
| CN102607319A true CN102607319A (en) | 2012-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100942901A Pending CN102607319A (en) | 2012-04-01 | 2012-04-01 | Heat exchange tube bundle positioning net for flue gas heat exchanger with fluorine plastic heat exchange tubes |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930872A (en) * | 2015-07-08 | 2015-09-23 | 河北远征环保科技有限公司 | Water economizer with fluorine plastic pipes arranged in netted mode |
| CN105402760A (en) * | 2015-12-09 | 2016-03-16 | 杭州佰强能源科技有限公司 | Fluoroplastic-steel air preheater with anti-corrosive and anti-blockage functions |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60105891A (en) * | 1983-11-14 | 1985-06-11 | Takenaka Komuten Co Ltd | Piping for composite heat exchanging device, which is held by perforated plate |
| CN85104835A (en) * | 1984-05-26 | 1987-01-14 | Gea空冷设备哈佩尔有限公司 | The shift energy-consuming equipment of desulfurizer |
| JPS63167083U (en) * | 1987-04-17 | 1988-10-31 | ||
| CN1628234A (en) * | 2002-02-05 | 2005-06-15 | 国际壳牌研究有限公司 | Tube bundle |
| CN201964823U (en) * | 2011-01-28 | 2011-09-07 | 济南市压力容器厂 | Grid supporting type closed water cooler |
| CN202562355U (en) * | 2012-04-01 | 2012-11-28 | 北京新世翼节能环保科技股份有限公司 | Heat exchange tube bundle locating net used for fluoroplastic heat exchange tube fume heat exchanger |
-
2012
- 2012-04-01 CN CN2012100942901A patent/CN102607319A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60105891A (en) * | 1983-11-14 | 1985-06-11 | Takenaka Komuten Co Ltd | Piping for composite heat exchanging device, which is held by perforated plate |
| CN85104835A (en) * | 1984-05-26 | 1987-01-14 | Gea空冷设备哈佩尔有限公司 | The shift energy-consuming equipment of desulfurizer |
| JPS63167083U (en) * | 1987-04-17 | 1988-10-31 | ||
| CN1628234A (en) * | 2002-02-05 | 2005-06-15 | 国际壳牌研究有限公司 | Tube bundle |
| CN201964823U (en) * | 2011-01-28 | 2011-09-07 | 济南市压力容器厂 | Grid supporting type closed water cooler |
| CN202562355U (en) * | 2012-04-01 | 2012-11-28 | 北京新世翼节能环保科技股份有限公司 | Heat exchange tube bundle locating net used for fluoroplastic heat exchange tube fume heat exchanger |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930872A (en) * | 2015-07-08 | 2015-09-23 | 河北远征环保科技有限公司 | Water economizer with fluorine plastic pipes arranged in netted mode |
| CN105402760A (en) * | 2015-12-09 | 2016-03-16 | 杭州佰强能源科技有限公司 | Fluoroplastic-steel air preheater with anti-corrosive and anti-blockage functions |
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| PB01 | Publication | ||
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Application publication date: 20120725 |