CN103438732B - A kind of funnel-shaped flue gas waste heat recovery apparatus with silencing function and manufacture method thereof - Google Patents
A kind of funnel-shaped flue gas waste heat recovery apparatus with silencing function and manufacture method thereof Download PDFInfo
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- CN103438732B CN103438732B CN201310385549.2A CN201310385549A CN103438732B CN 103438732 B CN103438732 B CN 103438732B CN 201310385549 A CN201310385549 A CN 201310385549A CN 103438732 B CN103438732 B CN 103438732B
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Abstract
The present invention relates to a kind of funnel-shaped flue gas waste heat recovery apparatus with silencing function and manufacture method thereof, 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 etc., also comprise a kind of manufacture method of the funnel-shaped flue gas waste heat recovery apparatus with silencing function.By being with the fume afterheat of the flue gas waste heat recovery apparatus not only recyclable gas power equipment of silencing function, flue gas flow rate can also be reduced, fundamentally reduce noise source, simultaneously at bailey wall spraying multi-layer nano sound deadening coating, the noise that further reduction gas power equipment flow of flue gas produces, and by carrying out series optimization to the arrangement of device internal structure and manufacture method, the funnel-shaped flue gas waste heat recovery apparatus of band silencing function is made to have compact conformation, good heat-transfer, the features such as erasure effect is outstanding, realize energy-conservation and noise reduction integrated function, the present invention is applicable to gas power equipment tail flue gas waste heat recycling system and sound-deadening and noise-reducing engineering field.
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 flue gas waste heat recovery integrated with silencing function, have the advantages such as compact conformation, good heat-transfer, erasure effect are outstanding, the present invention is applicable to gas power equipment tail flue gas waste heat recycling system and sound-deadening and noise-reducing engineer applied.
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
The thermal powerplant exhaust gas temperatures about 150 ~ 250 DEG C such as current general gas boiler, heat loss due to exhaust gas is comparatively large, causes energy waste and environmental pollution.General every platform gas boiler flue adds muffler, to reduce noise in boiler room, this muffler generally adopts impedance composite or pinhole type muffler, and can reduce noise about 10 ~ 30dB (A), 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, need a kind of flow resistance badly little, there is the flue gas waste heat recovery integrated apparatus of silencing function, find to there is no similar devices both at home and abroad at present by investigation.
Summary of the invention
(1) problem that will solve
The object of this invention is to provide a kind of funnel-shaped flue gas waste heat recovery apparatus with silencing function and manufacture method thereof, to recycle the waste heat in gas power equipment exhausting flue gas, and reduce the noise of gas power equipment flow of flue gas generation, realize energy-conservation and noise reduction integration.
(2) the funnel-shaped flue gas waste heat recovery apparatus of silencing function is with
The funnel-shaped flue gas waste heat recovery apparatus of band silencing function of the present invention comprises funnel-shaped flue gas waste heat recovery apparatus and 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, in adverse current cross arrangement between healed water and flue gas, to increase heat exchange; It is separated by the water-cooling wall inner chamber formed between water-cooled inwall and bailey wall that described water-cooling wall cuts off, so that uniform fluid flow distribution; Described heat exchanger tube adopts corrosion resistant stainless steel finned tube, and heat exchanger tube is connected with water-cooled inwall, and stretches into water-cooling wall inner chamber and be about 1cm; Described noise elimination spoiler adopts stainless steel, tightly adhere to the inner side of water-cooled inwall, in the downward-sloping arrangement of ripple glaze structure, flue gas disturbance can be strengthened, to strengthen fume side heat exchange, increase fume side heat exchange area simultaneously, thus improve by the heat exchange amount of fume side to 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 sprayed on outside bailey wall, at the additional attached silencing cotton of layer and insulation material after acoustic paint drying; Described guard shield is as the protective layer of silencing cotton and insulation material.
(3) manufacture method of the funnel-shaped flue gas waste heat recovery apparatus of silencing function is with
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 is carried out as follows:
(1) take stainless steel tube as base tube, the aluminum pipe that outer surface cover 4mm is thick, overcoat aluminum pipe forms aluminum fin-stock through extruding, and heat exchanger tube is stainless steel aluminum fin type heat exchanger tube;
(2) heat exchanger tube and the argon arc welding of water-cooled inwall are welded to connect, welding position is positioned at water-cooled inner wall outside, and water-cooled inner wall cementation noise elimination spoiler, noise elimination spoiler and heat exchanger tube cooperatively interact and arrange, need layering to install.
(3) water-cooling wall cuts off welding.Cut off by water-cooling wall between water-cooled inwall and bailey wall and current are separated, the equal welded seal of water-cooled inwall and the upper and lower two ends of bailey wall.
(4) water inlet pipe and outlet pipe weld with bailey wall argon arc welding respectively.
(5) pressure test qualified after, sprayed-on acoustical coating outside bailey wall.
(7), after acoustic paint drying, bailey wall skin is installed in addition with silencing cotton, insulation material and guard shield from inside to outside successively.
One of noise elimination spoiler key being installed as making and installation described in above-mentioned manufacture method, these parts are supported by heat exchanger tube, noise elimination spoiler groove and heat exchanger tube tight clamping fit, adopt adhesive to harden with water-cooled inner wall to bond simultaneously, 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 nano-multilayered structures material, water paint molecular material is clipped in the middle, distributed the particulate with soundproof effect at whole intermediate coat equably, can effectively reduce transmission acoustic wave energy, reach sound-absorbing soundproof effect.
(4) beneficial effect
Technical scheme of the present invention is by reclaiming high-temperature flue gas waste heat, healed water takes away the heat in flue gas, improve boiler thermal output more than 5%, reduce flue gas flow rate 1.2 ~ 1.4 times simultaneously, fundamentally reduce flue gas noise, serial oil painting has been carried out to internal structure simultaneously, and take noise damping and conduction measure, effectively can eliminate more than gas power equipment afterbody noise 20dB (A), thus realize energy-conservation and noise reduction double effects.
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 that the present invention eliminates the noise spoiler structure chart.
Detailed description of the invention
The following drawings for illustration of the present invention, 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 the funnel-shaped flue gas waste heat recovery apparatus profile of 2 one kinds, figure with silencing function, 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 body top, and outlet pipe 7 is positioned at lower body part, and healed water flows along flow direction 14, arrange in adverse current with flue gas flow direction in main body 15, effectively can 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, form water-cooling wall inner chamber between bailey wall 2 and water-cooled inwall 3, uniform fluid flow can be distributed in each heat exchanger tube 4 by water-cooling wall inner chamber, the noise that simultaneously stability is transmitted by heat exchanger tube 4; 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 water-cooling wall inner chamber and is about 1cm, by noise transmission in chimney to water-cooling wall inner chamber, can increase noise reduction; Described noise elimination spoiler 6 adopts stainless steel, ripple glaze structures slope is arranged, strengthen flue gas disturbance, improve the fume side coefficient of heat transfer, strengthening forced convective heat transfer of flue effect, noise elimination spoiler 6 adds heat exchange area simultaneously, and is connected closely with the inner side of water-cooled inwall, increase fume side to the heat exchange amount of water-cooled inwall, improve heat-transfer capability; It is kept apart by circulating water flow that described water-cooling wall cuts off 5, realizes healed water and flue gas is that adverse current is arranged; Described antidrumming compound layer 8 sticks to the outside of bailey wall 2, adds silencing cotton 9 and insulation material 10 from inside to outside successively, and outermost layer is guard shield 11; Main body and original flue can be coupled together by adpting flange 12 by described reducer 13.
Fig. 3 is that the present invention eliminates the noise spoiler structure chart, 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, noise elimination spoiler junction uses adhesive sclerosis consolidation simultaneously; In an illustrated embodiment, flow-disturbing wing 6-1 in noise elimination spoiler 6 adopts stainless steel, the linear downward-sloping arrangement in wave, with water-cooled inwall 3 in 30 ° ~ 45 ° angles, can effective disturbance flow of flue gas, increase heat exchange, flue gas noise can be passed to water-cooled inwall 3 via noise elimination spoiler 6 simultaneously, can greatly reduce at water-cooling wall inner chamber noise.Noise elimination spoiler 6 should shape on request bend before installing, and groove 6-1 and heat exchanger tube are connected and fixed, junction adhesive sclerosis simultaneously connects, and installs one deck and installs adjacent lower one deck again, thus make the tight consolidation in inner side of noise elimination spoiler 6 and 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 apparently can expect that some are identical, replacement scheme, all should fall into the scope of protection of the invention.
Claims (8)
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 cuts off, noise elimination spoiler, outlet pipe, antidrumming compound layer, silencing cotton, insulation material, guard shield, adpting flange and reducer, it is characterized in that: heat exchanger tube is connected with water-cooled inwall, antidrumming compound layer is sprayed outside bailey wall, and with silencing cotton and insulation material on antidrumming compound layer, the inner side of described water-cooled inwall is distributed with noise elimination spoiler, this noise elimination spoiler is the arrangement of ripple glaze structures slope, and supported by heat exchanger tube, its groove and heat exchanger tube connect and fix, junction adhesive sclerosis simultaneously connects, closely affixed with water-cooled inner wall, with by flue gas noise transmission to water-cooled inwall, play erasure effect.
2. the funnel-shaped flue gas waste heat recovery apparatus of band silencing function as claimed in claim 1, it is characterized in that, water-cooled inwall and bailey wall are all semicircle columnar structures, water-cooling wall inner chamber is formed between water-cooled inwall and bailey wall, water-cooled inwall is connected with finned heat exchanger tube, water forms water curtain in water-cooling wall inner chamber, can be uniformly distributed the water yield and can absorb the noise spread out of in heat exchanger tube.
3. the funnel-shaped flue gas waste heat recovery apparatus of band silencing function as claimed in claim 1, it is characterized in that, heat exchanger tube is stainless steel finned tube, adopt fork row structure, water at low temperature is at Bottomhole pressure, and high-temperature flue gas is flowing outside pipe, compact conformation, and finned tube stretches into water-cooled inwall is about 1cm, make in the more effective cavity be delivered between bailey wall and water-cooled inwall of flue gas noise.
4. the funnel-shaped flue gas waste heat recovery apparatus of band silencing function as claimed in claim 1, it is characterized in that, noise elimination spoiler is arranged in water-cooled inner wall, adopts stainless steel, and ripple glaze structures slope is arranged, and strengthens flue gas disturbance, improves fume side heat exchange.
5. the funnel-shaped flue gas waste heat recovery apparatus of band silencing function as claimed in claim 1, is characterized in that, current partition is uniformly distributed by water-cooling wall partition, changes the direction of a stream of water, makes healed water and flue gas be reverse flow, to strengthen heat-transfer effect.
6. the funnel-shaped flue gas waste heat recovery apparatus of band silencing function as claimed in claim 1, is characterized in that, be coated with multi-layer nano antidrumming compound, install silencing cotton and insulation material again additional, finally add guard shield after drying at bailey wall.
7. the funnel-shaped flue gas waste heat recovery apparatus of band silencing function as claimed in claim 1, it is characterized in that, flue gas cross-sectional flow is lower than flow velocity in chimney, and flue gas is by after absorbing and cooling temperature, and flue gas flow rate reduces, and noise reduces more remarkable.
8. be with the manufacture method of the funnel-shaped flue gas waste heat recovery apparatus of silencing function as claimed in claim 1 for one kind, wherein, noise elimination spoiler is supported by heat exchanger tube, and noise elimination spoiler levels needs layering to install, tight clamping fit, adopts adhesive sclerosis to be bonded in the inner side of water-cooled inwall simultaneously.
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| Application Number | Priority Date | Filing Date | Title |
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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 true CN103438732B (en) | 2015-09-16 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108714375B (en) * | 2017-12-18 | 2020-11-24 | 大连理创科技有限公司 | Denoising gas-liquid mixing system |
| 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 |
| 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 |
| CN112857119B (en) * | 2020-12-31 | 2022-12-09 | 浙江纳风净化技术有限公司 | Heat exchange membrane |
| CN114963836B (en) * | 2022-07-29 | 2022-10-21 | 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 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| CN201858015U (en) * | 2010-10-19 | 2011-06-08 | 张晓荣 | Energy-saving silencer capable of utilizing waste heat |
| EE01075U1 (en) * | 2010-12-07 | 2012-01-16 | Resev Meelis | Sewage heat exchanger |
| CN202899337U (en) * | 2012-05-09 | 2013-04-24 | 青岛爱尔家佳新材料有限公司 | Composite sound-absorbing coating for buildings |
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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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