CN103438732A - Chimney type flue gas waste heat recovery device with sound attenuation function and manufacturing method thereof - Google Patents
Chimney type flue gas waste heat recovery device with sound attenuation function and manufacturing method thereof Download PDFInfo
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- CN103438732A CN103438732A CN2013103855492A CN201310385549A CN103438732A CN 103438732 A CN103438732 A CN 103438732A CN 2013103855492 A CN2013103855492 A CN 2013103855492A CN 201310385549 A CN201310385549 A CN 201310385549A CN 103438732 A CN103438732 A CN 103438732A
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Abstract
The invention relates to a chimney type flue gas waste heat recovery device with the sound attenuation function and a manufacturing method of the chimney type flue gas waste heat recovery device. The chimney type flue gas waste heat recovery device comprises a water inlet pipe, a water cooling outer wall, a water cooling inner wall, a heat exchange pipe, a water cooling wall partition, a sound attenuation spoiler, a water outlet pipe, a sound attenuation coating layer, sound attenuation cotton, a heat preservation material, a protective shell, connecting flanges, reducers and the like. The invention further provides the manufacturing method of the chimney type flue gas waste heat recovery device with the sound attenuation function. By the adoption of the flue gas waste heat recovery device with the sound attenuation function, flue gas waste heat of a fuel gas power device can be recovered, and velocity of flue gas can be also reduced, so that a noise source can be fundamentally reduced. Multiple layers of nanometer sound deadening coating is sprayed on the water cooling outer wall, so that noise caused by flowing of flue gas of the fuel gas power device is further reduced. By the serial optimization of the internal structural configuration of the device and the manufacturing method, the chimney type flue gas waste heat recovery device with the sound attenuation function can have the advantages of being compact in structure, good in heat transfer performance and outstanding in sound attenuation effect, the function of integrating energy saving with noise reduction is achieved, and the chimney type flue gas waste heat recovery device and the manufacturing method are suitable for an exhaust gas waste heat recycling system of the fuel gas power device and the field of sound attenuation and noise reduction engineering.
Description
Technical field
The present invention relates to a kind of funnel-shaped flue gas waste heat recovery apparatus with silencing function, specifically for reclaiming gas fired-boiler afterbody high-temperature flue gas waste heat, substitute original muffler on chimney simultaneously, realize that flue gas waste heat recovery is with integrated with silencing function, have the advantages such as compact conformation, good heat-transfer, erasure effect be outstanding, the present invention is applicable to gas power equipment tail flue gas waste heat recycling system and the application of sound-deadening and noise-reducing engineering.
The invention still further relates to a kind of manufacture method, particularly internal structure of the funnel-shaped flue gas waste heat recovery apparatus with silencing function and the manufacture method of sound-absorbing coating.
Background technology
Approximately 150～250 ℃ of the thermal powerplant exhaust gas temperatures such as current general gas boiler, heat loss due to exhaust gas is larger, causes energy waste and environmental pollution.Add muffler on general every gas boiler flue, to reduce noise in boiler room, this muffler generally adopts impedance composite or pinhole type muffler, can reduce approximately 10～30dB (A) of noise, and this muffler is not only bulky and flow resistance is high.
Gas fired-boiler after afterbody installs flue gas waste heat recovery apparatus additional again through muffler, its flow resistance is very large, even can affect boiler and normally discharge fume, and needs a kind of flow resistance badly little, flue gas waste heat recovery integrated apparatus with silencing function, find to there is no at present similar devices both at home and abroad by investigation.
Summary of the invention
(1) problem that will solve
The purpose of this invention is to provide a kind of funnel-shaped flue gas waste heat recovery apparatus and manufacture method thereof with silencing function, to recycle the waste heat in gas power equipment exhausting flue gas, and reduce the noise that gas power equipment flow of flue gas produces, realize energy-conservation integrated with noise reduction.
(2) with the funnel-shaped flue gas waste heat recovery apparatus of silencing function
Funnel-shaped flue gas waste heat recovery apparatus with silencing function of the present invention comprises that funnel-shaped flue gas waste heat recovery apparatus mainly comprises water inlet pipe, bailey wall, water-cooled inwall, heat exchanger tube, water-cooling wall partition, noise elimination spoiler, outlet pipe, antidrumming compound layer, silencing cotton, insulation material, guard shield, adpting flange, reducer.It is characterized in that described water inlet pipe is connected with bailey wall with outlet pipe, be the adverse current cross arrangement between healed water and flue gas, to increase heat exchange; It is that the water-cooling wall inner chamber formed between water-cooled inwall and bailey wall is separated that described water-cooling wall cuts off, so that current are uniformly distributed; Described heat exchanger tube adopts corrosion resistant stainless steel finned tube, and heat exchanger tube is connected with the water-cooled inwall, and stretches into the about 1cm of water-cooling wall inner chamber; Described noise elimination spoiler adopts stainless steel, tightly adhere to the inboard of water-cooled inwall, be that the ripple glaze structure is downward-sloping arranges, can strengthen the flue gas disturbance, to strengthen the fume side heat exchange, increase the fume side heat exchange area simultaneously, thereby improve by fume side the heat exchange amount to the water side, in addition, noise transmission can be beneficial to reduce noise to heat exchanger tube and water-cooled inwall; Described antidrumming compound layer is to be sprayed on the bailey wall outside, after the acoustic paint drying at the additional attached silencing cotton of layer and insulation material; Described guard shield is as the protective layer of silencing cotton and insulation material.
(3) with the manufacture method of the funnel-shaped flue gas waste heat recovery apparatus of silencing function
The invention provides a kind of manufacture method of the funnel-shaped flue gas waste heat recovery apparatus with silencing function, it is characterized in that the method carries out as follows:
(1) take stainless steel tube as parent tube, the aluminum pipe that outer surface cover 4mm is thick, the overcoat aluminum pipe forms the aluminium fin through extruding, and heat exchanger tube is stainless steel aluminium rib heat exchanging pipe;
(2) heat exchanger tube and the argon arc welding of water-cooled inwall are welded to connect, welding position is positioned at the water-cooled inner wall outside, the inboard cementation noise elimination of water-cooled inwall spoiler, and noise elimination spoiler and the heat exchanger tube layout that cooperatively interacts, need the layering installation.
(3) water-cooling wall cuts off welding.Cut off current are separated by water-cooling wall between water-cooled inwall and bailey wall, the equal welded seal in the upper and lower two ends of water-cooled inwall and bailey wall.
(4) water inlet pipe and outlet pipe weld with the bailey wall argon arc welding respectively.
(5) pressure test qualified after, at bailey wall outside spraying acoustic paint.
(7), after the acoustic paint drying, the bailey wall skin is installed in addition with silencing cotton, insulation material and guard shield from inside to outside successively.
Noise elimination spoiler described in above-mentioned manufacture method is installed as manufactures one of key of installing, these parts are supported by heat exchanger tube, the tight clamping of noise elimination spoiler groove and heat exchanger tube, simultaneously with the inboard adhesive sclerosis bonding that adopts of water-cooled inwall, between noise elimination spoiler and heat exchanger tube, alternatively layered is installed, and the fixation of noise elimination spoiler is reliable.
Acoustic paint described in above-mentioned manufacture method adopts the nano-multilayered structures material, the water paint molecular material is clipped in the middle, distributed equably and there is the particulate of soundproof effect at whole intermediate coat, can effectively reduce the transmission acoustic wave energy, reached the sound-absorbing soundproof effect.
(4) beneficial effect
Technical scheme of the present invention is by reclaiming the high-temperature flue gas waste heat, healed water is taken away the heat in flue gas, improve boiler thermal output more than 5%, reduce by 1.2～1.4 times of flue gas flow rates simultaneously, fundamentally reduce the flue gas noise, internal structure has been carried out to serial oil painting simultaneously, and taked noise damping and conduction measure, more than can effectively eliminating gas power equipment afterbody noise 20dB (A), thereby realize energy-conservation and noise reduction double effects.
The accompanying drawing explanation
Fig. 1 is a kind of funnel-shaped flue gas waste heat recovery apparatus structure chart with silencing function of the present invention.
Fig. 2 is a kind of funnel-shaped flue gas waste heat recovery apparatus profile with silencing function of the present invention.
Fig. 3 is the present invention's spoiler structure chart of eliminating the noise.
The specific embodiment
The following drawings is used for the present invention is described, but is not used for limiting the scope of the invention.
Fig. 1 is a kind of funnel-shaped flue gas waste heat recovery apparatus structure chart with silencing function, simultaneously with reference to 2 one kinds of funnel-shaped flue gas waste heat recovery apparatus profiles with silencing function of figure, as shown in the figure, funnel-shaped flue gas waste heat recovery apparatus mainly comprises water inlet pipe 1, bailey wall 2, water-cooled inwall 3, heat exchanger tube 4, water-cooling wall partition 5, noise elimination spoiler 6, outlet pipe 7, antidrumming compound layer 8, silencing cotton 9, insulation material 10, guard shield 11, adpting flange 12, reducer 13.It is characterized in that: described water inlet pipe 1 is positioned at main body top, and outlet pipe 7 is positioned at lower body part, and healed water flows along flow direction 14, is adverse current with flue gas flow direction in main body 15 and arranges, and can effectively strengthen heat exchange; Described bailey wall 2 is connected with outlet pipe 7 with water inlet pipe 1, water-cooled inwall 3 is connected with each heat exchanger tube 4,3 formation water-cooling wall inner chambers of bailey wall 2 and water-cooled inwall, the water-cooling wall inner chamber can be evenly distributed to current in each heat exchanger tube 4, absorbs the noise transmitted by heat exchanger tube 4 simultaneously; Described heat exchanger tube 4 adopts rib heat exchanging pipe, compact conformation, and heat exchange area increases, and wherein heat exchanger tube 4 puts in the about 1cm of water-cooling wall inner chamber, can, by noise transmission in chimney to the water-cooling wall inner chamber, increase noise reduction; Described noise elimination spoiler 6 adopts stainless steel, the ripple glaze structure tilts to arrange, strengthen the flue gas disturbance, improve the fume side coefficient of heat transfer, strengthening forced convective heat transfer of flue effect, the spoiler 6 of simultaneously eliminating the noise has increased heat exchange area, and is connected closely with the inboard of water-cooled inwall, increase the heat exchange amount of fume side to the water-cooled inwall, improved heat-transfer capability; It is that circulating water flow is kept apart that described water-cooling wall cuts off 5, realizes that healed water and flue gas are adverse current and arrange; Described antidrumming compound layer 8 sticks to the outside of bailey wall 2, adds successively from inside to outside silencing cotton 9 and insulation material 10, and outermost layer is guard shield 11; Described reducer 13 can be coupled together main body and original flue by adpting flange 12.
Fig. 3 is the present invention's spoiler structure chart of eliminating the noise, as shown in the figure, noise elimination spoiler 6 should coordinate heat exchanger tube 4 to install together, noise elimination spoiler groove 6-2 and the same caliber of heat exchanger tube 4, the spacing of groove 6-2 is consistent with the spacing of heat exchanger tube 6, wherein rely on the fin of heat exchanger tube 6 to fix, the spoiler junction of simultaneously eliminating the noise is used the adhesive sclerosis fixed; In an illustrated embodiment, flow-disturbing wing 6-1 in noise elimination spoiler 6 adopts stainless steel, be linear downward-sloping the arranging of wave, be 30 °～45 ° angles with water-cooled inwall 3, but effective disturbance flow of flue gas, increase heat exchange, the flue gas noise can be passed to water-cooled inwall 3 via noise elimination spoiler 6, can greatly reduce at water-cooling wall inner chamber noise simultaneously.Noise elimination spoiler 6 should be on request before installing the shape bending, and groove 6-1 and heat exchanger tube are connected and fixed, junction connects with the adhesive sclerosis simultaneously, install one deck adjacent lower one deck is installed again, thereby the spoiler 6 that makes to eliminate the noise is closely fixed with the inboard of water-cooled inwall 3.
Be more than preferred forms of the present invention, according to content disclosed by the invention, those of ordinary skill in the art can apparently expect some identical, replacement schemes, all should fall into the scope of protection of the invention.
Claims (9)
1. the funnel-shaped flue gas waste heat recovery apparatus with silencing function, comprise water inlet pipe, bailey wall, water-cooled inwall, heat exchanger tube, water-cooling wall partition, noise elimination spoiler, outlet pipe, antidrumming compound layer, silencing cotton, insulation material, guard shield, adpting flange, reducer.It is characterized in that: heat exchanger tube is connected with the water-cooled inwall, bailey wall outside spraying sound deadening coating, and have silencing cotton and insulation material on the antidrumming compound layer, the inboard of described water-cooled inwall is distributed with the noise elimination spoiler.
2. water-cooled inwall claimed in claim 1 and bailey wall, it is characterized in that semicircle column type structure, form the water-cooling wall inner chamber between the water-cooled inside and outside wall, the water-cooled inwall is connected with finned tube, water forms water curtain in the water-cooling wall inner chamber, can be uniformly distributed the water yield and can absorb the noise from spreading out of in heat exchanger tube.
3. heat exchanger tube claimed in claim 1, is characterized in that stainless steel finned tube, adopts fork row structure, water at low temperature flows in pipe, and high-temperature flue gas flows outside pipe, compact conformation, and finned tube stretches into the about 1cm of water-cooled inwall, make the more effective water-cooling wall inner chamber that is delivered to of flue gas noise.
4. noise elimination spoiler claimed in claim 1, is characterized in that being arranged in water-cooled inwall inboard, adopts stainless steel, and the ripple glaze structure tilts to arrange, and strengthens the flue gas disturbance, improves the fume side heat exchange.
5. water-cooling wall claimed in claim 1 cuts off, and it is characterized in that current are cut off and are uniformly distributed, and changes the direction of a stream of water, and makes healed water and flue gas be reverse flow, to strengthen heat-transfer effect.
6. antidrumming compound layer claimed in claim 1 and silencing cotton, is characterized in that being coated with the multi-layer nano antidrumming compound at bailey wall, installs silencing cotton and insulation material after drying additional again, finally adds guard shield.
7. the funnel-shaped flue gas waste heat recovery apparatus with silencing function claimed in claim 1, is characterized in that the flue gas cross-sectional flow is lower than flow velocity in chimney, and flue gas by absorbing and cooling temperature after, flue gas flow rate reduces, reducing noise is more remarkable.
8. in the manufacture method with the funnel-shaped flue gas waste heat recovery apparatus of silencing function, the noise elimination spoiler is to be supported by heat exchanger tube, and noise elimination spoiler levels needs layering to install, and closely clamping adopts the adhesive sclerosis to be bonded in the inboard of water-cooled inwall simultaneously.
9. in the manufacture method with the funnel-shaped flue gas waste heat recovery apparatus of silencing function, the acoustic paint layer adopts the nano-multilayered structures material, and centre is uniformly distributed the particulate with soundproof effect, can effectively reduce the transmission acoustic wave energy, reaches the sound-absorbing soundproof effect.
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| CN201310385549.2A CN103438732B (en) | 2013-08-30 | 2013-08-30 | A kind of funnel-shaped flue gas waste heat recovery apparatus with silencing function and manufacture method thereof |
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| CN201310385549.2A CN103438732B (en) | 2013-08-30 | 2013-08-30 | A kind of funnel-shaped flue gas waste heat recovery apparatus with silencing function and manufacture method thereof |
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| CN103438732B CN103438732B (en) | 2015-09-16 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104361885A (en) * | 2014-09-23 | 2015-02-18 | 连云港久盛电力辅机有限公司 | Silencer |
| CN105386815A (en) * | 2015-11-26 | 2016-03-09 | 河南元光科技有限公司 | Impedance compound noise elimination type waste heat recycling device |
| CN105484835A (en) * | 2016-01-09 | 2016-04-13 | 中航长沙设计研究院有限公司 | Ground test tail gas heat recycling and silencing tower for aero-engine |
| CN108714375A (en) * | 2017-12-18 | 2018-10-30 | 大连通亚重工有限公司 | One kind is except gas-fluid mixing systems of making an uproar |
| CN109373572A (en) * | 2018-11-30 | 2019-02-22 | 宁夏明力达金属制品有限公司 | Noise reduction dedusting smoke abatement integration hot-blast stove |
| CN111810315A (en) * | 2020-06-30 | 2020-10-23 | 西安航天动力试验技术研究所 | Noise absorption guiding device based on flexible water curtain |
| CN112857119A (en) * | 2020-12-31 | 2021-05-28 | 浙江纳风净化技术有限公司 | Heat exchange membrane |
| CN114963836A (en) * | 2022-07-29 | 2022-08-30 | 中国电建集团华东勘测设计研究院有限公司 | Energy recovery noise reduction water tank, exhaust noise reduction and waste heat recovery device |
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| CN2517876Y (en) * | 2001-06-15 | 2002-10-23 | 北京中科工程管理总公司 | Smoke silencer of gas turbine |
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| EP2463609A2 (en) * | 2010-12-07 | 2012-06-13 | Meelis Resev | Modular waste water heat exchanger |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104361885A (en) * | 2014-09-23 | 2015-02-18 | 连云港久盛电力辅机有限公司 | Silencer |
| CN104361885B (en) * | 2014-09-23 | 2018-04-06 | 连云港久盛电力辅机有限公司 | A kind of muffler |
| CN105386815A (en) * | 2015-11-26 | 2016-03-09 | 河南元光科技有限公司 | Impedance compound noise elimination type waste heat recycling device |
| CN105484835A (en) * | 2016-01-09 | 2016-04-13 | 中航长沙设计研究院有限公司 | Ground test tail gas heat recycling and silencing tower for aero-engine |
| CN108714375A (en) * | 2017-12-18 | 2018-10-30 | 大连通亚重工有限公司 | One kind is except gas-fluid mixing systems of making an uproar |
| CN108714375B (en) * | 2017-12-18 | 2020-11-24 | 大连理创科技有限公司 | Denoising gas-liquid mixing system |
| CN109373572A (en) * | 2018-11-30 | 2019-02-22 | 宁夏明力达金属制品有限公司 | Noise reduction dedusting smoke abatement integration hot-blast stove |
| CN109373572B (en) * | 2018-11-30 | 2024-07-19 | 宁夏明力达新能源环保科技有限公司 | Silencing, dedusting and smoke removing integrated warm air furnace |
| CN111810315A (en) * | 2020-06-30 | 2020-10-23 | 西安航天动力试验技术研究所 | Noise absorption guiding device based on flexible water curtain |
| CN111810315B (en) * | 2020-06-30 | 2021-08-17 | 西安航天动力试验技术研究所 | Noise absorption guiding device based on flexible water curtain |
| CN112857119A (en) * | 2020-12-31 | 2021-05-28 | 浙江纳风净化技术有限公司 | Heat exchange membrane |
| CN114963836A (en) * | 2022-07-29 | 2022-08-30 | 中国电建集团华东勘测设计研究院有限公司 | Energy recovery noise reduction water tank, exhaust noise reduction and waste heat recovery device |
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Address after: 100021 6th Floor, Building 18, Huawei North Lane, Chaoyang District, Beijing Patentee after: Jinfang Energy Group Co.,Ltd. Address before: 100021 6th Floor, Building 18, Huawei North Lane, Chaoyang District, Beijing Patentee before: BEIJING KINGFORE HVAC ENERGY SAVING TECHNOLOGY Co.,Ltd. |
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