CN107541884A - Forming machine waste gas residual heat reclaims energy saver - Google Patents

Forming machine waste gas residual heat reclaims energy saver Download PDF

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Publication number
CN107541884A
CN107541884A CN201610783571.6A CN201610783571A CN107541884A CN 107541884 A CN107541884 A CN 107541884A CN 201610783571 A CN201610783571 A CN 201610783571A CN 107541884 A CN107541884 A CN 107541884A
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CN
China
Prior art keywords
heat
waste gas
forming machine
hot water
hot
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Pending
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CN201610783571.6A
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Chinese (zh)
Inventor
关羡沃
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Jiangmen Xiancheng Environmental Protection And Energy Saving Equipment Co ltd
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Jiangmen Xiancheng Environmental Protection And Energy Saving Equipment Co ltd
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Priority to CN201610783571.6A priority Critical patent/CN107541884A/en
Publication of CN107541884A publication Critical patent/CN107541884A/en
Pending legal-status Critical Current

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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14Thermal energy storage

Abstract

The invention discloses forming machine waste gas residual heat to reclaim energy saver, the forming machine waste gas residual heat recovery energy saver is hot gas waste-heat recovery device or afterheat of hot water retracting device, hot gas waste-heat recovery device includes shell, shell is provided with waste gas inlet port, outlet port, hot gas inlet port and hot gas outlet, enclosure is provided with heat absorption area, heat release zone and heat exchanger tube, it is isolated from each other between the heat absorption area and heat release zone, heat exchanger tube one end is placed on heat absorption area, the other end is placed on heat release zone, and heat-conducting medium is housed inside heat exchanger tube;The afterheat of hot water retracting device includes incubator, and incubator is provided with water inlet, delivery port, air inlet and exhaust outlet, and incubator is internally provided with hot water pipeline, and described hot water pipeline one end is connected with water inlet, and the other end is connected with delivery port.The present invention effectively increases the utilization ratio of the energy, reduces the consumption of the energy, not only protects environment, and alleviates the poverty-stricken situation of the energy.

Description

Forming machine waste gas residual heat reclaims energy saver
Technical field
The present invention relates to a kind of waste heat recovering energy conserving device, particularly a kind of forming machine waste gas residual heat recovery energy saver.
Background technology
Forming machine is the conventional equipment of textile industry, and with the development of textile industry, the usage quantity of forming machine is very huge, but It is that the energy that it is consumed is also very huge, this not only brings huge pressure to the protection of environment, and make it that the energy is embarrassed Urgent situation is more acute.
The content of the invention
To solve the above problems, it is an object of the invention to provide a kind of forming machine waste gas residual heat to reclaim energy saver.
Technical scheme is used by the present invention solves its problem:Forming machine waste gas residual heat recovery energy saver is more than hot gas Heat reclamation device or afterheat of hot water retracting device, the hot gas waste-heat recovery device include shell, and shell is provided with for high temperature The waste gas inlet port of waste gas entrance, the outlet port for low temperature waste gas discharge, the heating entered for low-temperature heat gas Gas entrance and the hot gas outlet for high temperature heating gas discharge, enclosure are provided with for absorbing waste gas The heat absorption area of heat, for hot gas absorb heat heat release zone and for by absorb heat area heat transfer arrive heat release zone Heat exchanger tube, it is isolated from each other between the heat absorption area and heat release zone, heat exchanger tube one end is placed on heat absorption area, and the other end is placed on Hot-zone, heat exchanger tube inside are equipped with the heat-conducting medium for being used for transmitting heat;The afterheat of hot water retracting device includes incubator, insulation Case is provided with the water inlet entered for cooling water, the delivery port for supplying hot water outflow, entered for what is entered for high-temp waste gas Gas port and the exhaust outlet for being discharged for low temperature waste gas, incubator are internally provided with the hot water pipeline for supplying hot water circulation, Described hot water pipeline one end is connected with water inlet, and the other end is connected with delivery port.
Further, when forming machine waste gas residual heat recovery energy saver be hot gas waste-heat recovery device when, the heat exchanger tube with Angle formed by horizontal line be more than zero degree be less than or equal to 90 degree, the relatively low one end of heat exchanger tube be arranged on absorb heat area, heat exchanger tube compared with High one end is arranged on heat release zone, and the heat-conducting medium inside heat exchanger tube is heat conduction with phase change medium.Of the invention so set to lead Thermal medium rises to the heat release zone heat release of higher position after the heat absorption vaporization of heat absorption area, is liquefied as again after heat-conducting medium heat release Liquid is back to the heat absorption area of lower position, and the present invention by so vaporizing and liquefying to realize the transmission of heat repeatedly.
Further, when forming machine waste gas residual heat recovery energy saver is hot gas waste-heat recovery device, the heat exchanger tube one Heat absorption area is partly placed on, second half is placed on heat release zone.Heat exchanger tube half is placed on heat absorption area by the present invention, and second half is placed on Heat release zone, the heat transfer efficiency of heat absorption area and heat release zone can be so caused to maximize.
Further, when forming machine waste gas residual heat recovery energy saver is hot gas waste-heat recovery device, the flowing side of waste gas To opposite with the flow direction of hot gas.Of the invention so set to remain higher between heat absorption area and heat release zone Temperature difference, effectively increase the heat transfer efficiency between heat absorption area and heat release zone.
Further, when forming machine waste gas residual heat recovery energy saver is afterheat of hot water retracting device, the hot water pipeline For compound aluminum finned tube.The present invention increases the contact area of hot water pipeline and waste gas using compound aluminum finned tube, can so carry Absorption efficiency of the high hot water to waste-gas heat.
Further, when forming machine waste gas residual heat recovery energy saver is afterheat of hot water retracting device, in the incubator Flue is provided with, the hot water pipeline passes through flue, and all weld seams of the hot water pipeline are on the outside of flue.The present invention will weldering Seam, which is arranged on the outside of flue, can greatly reduce probability of the hot water pipeline in flue water leakage inside, and hot water pipeline leaks outside flue Water is not only easy to discover and repaired, and substantially reduces the influence to whole equipment.
Further, when forming machine waste gas residual heat recovery energy saver is afterheat of hot water retracting device, the flowing side of waste gas To opposite with the flow direction of hot water.Of the invention so set to remain higher temperature between waste gas and hot water pipeline Difference, effectively increase absorption efficiency of the hot water pipeline to waste-gas heat.
Further, when forming machine waste gas residual heat recovery energy saver is hot gas waste-heat recovery device, at waste gas inlet port Equipped with screen pack;When forming machine waste gas residual heat recovery energy saver is afterheat of hot water retracting device, air inlet is equipped with screen pack. The present invention is provided with filter at exhaust gas inlet and air inlet, and waste gas is filtered, can not be shut down in running Filter screen is cleared up, so can effectively purify waste gas, improves the absorption efficiency to waste-gas heat.
The beneficial effects of the invention are as follows:The present invention is a kind of forming machine waste gas residual heat recovery energy saver, and the present invention passes through Recovery to forming machine waste gas residual heat, the utilization ratio of the energy is effectively increased, reduce the consumption of the energy, not only protect ring Border, and alleviate the poverty-stricken situation of the energy.
Brief description of the drawings
The invention will be further described with example below in conjunction with the accompanying drawings.
Fig. 1 is the structure chart of hot gas waste-heat recovery device of the present invention;
Fig. 2 is the structure chart of afterheat of hot water retracting device of the present invention.
Embodiment
Fig. 1 is the structure chart of hot gas waste-heat recovery device of the present invention, and Fig. 2 is the structure of afterheat of hot water retracting device of the present invention Figure, as depicted in figs. 1 and 2, forming machine waste gas residual heat recovery energy saver are hot gas waste-heat recovery device or afterheat of hot water recovery Device, the hot gas waste-heat recovery device include shell 1, shell 1 be provided with enter for high-temp waste gas waste gas inlet port 2, For low temperature waste gas discharge outlet port 3, for low-temperature heat gas enter hot gas inlet port 4 and for height The hot gas outlet 5 of warm hot gas discharge, shell 1 be internally provided with for absorb waste-gas heat heat absorption area 6, be used for Hot gas absorb heat heat release zone 7 and for by the heat transfer in area 6 of absorbing heat to the heat exchanger tube 8 of heat release zone 7, the suction It is isolated from each other between hot-zone 6 and heat release zone 7, the one end of heat exchanger tube 8 is placed on heat absorption area 6, and the other end is placed on heat release zone 7, changed The inside of heat pipe 8 is equipped with the heat-conducting medium for being used for transmitting heat;The afterheat of hot water retracting device includes incubator 9, and incubator 9 is set It is equipped with the water inlet 10 entered for cooling water, the delivery port 11 for supplying hot water outflow, enters for what is entered for high-temp waste gas Gas port 12 and the exhaust outlet 13 for being discharged for low temperature waste gas, incubator 9 are internally provided with the hot water for supplying hot water circulation Pipeline 14, described one end of hot water pipeline 14 are connected with water inlet 10, and the other end is connected with delivery port 11.
In the present invention, when forming machine waste gas residual heat recovery energy saver is hot gas waste-heat recovery device, the heat exchange Pipe 8 is more than zero degree with angle formed by horizontal line and is less than or equal to 90 degree, and the relatively low one end of heat exchanger tube 8 is arranged on heat absorption area 6, changes The higher one end of heat pipe 8 is arranged on heat release zone 7, and the heat-conducting medium inside heat exchanger tube 8 is heat conduction with phase change medium.The present invention is so set Put so that heat-conducting medium rises to the heat release of heat release zone 7 of higher position after the heat absorption vaporization of heat absorption area 6, after heat-conducting medium heat release Again the heat absorption area 6 that liquid is back to lower position is liquefied as, the present invention by so vaporizing and liquefying to realize heat repeatedly Transmission.When forming machine waste gas residual heat recovery energy saver is hot gas waste-heat recovery device, the half of heat exchanger tube 8 is placed on Heat absorption area 6, second half is placed on heat release zone 7.The half of heat exchanger tube 8 is placed on heat absorption area 6 by the present invention, and second half is placed on heat release Area 7, the heat transfer efficiency of heat absorption area 6 and heat release zone 7 can be so caused to maximize.In the present invention, when forming machine waste gas When waste heat recovering energy conserving device is hot gas waste-heat recovery device, the flow direction of waste gas is opposite with the flow direction of hot gas. So setting of the invention, which to absorb heat between area 6 and heat release zone 7, remains higher temperature difference, effectively increases heat absorption area 6 Heat transfer efficiency between heat release zone 7.
In the present invention, when forming machine waste gas residual heat recovery energy saver is afterheat of hot water retracting device, the hot water Pipeline 14 is compound aluminum finned tube.The present invention increases the contact area of hot water pipeline 14 and waste gas using compound aluminum finned tube, this Sample can improve absorption efficiency of the hot water to waste-gas heat.In the present invention, when forming machine waste gas residual heat recovery energy saver is During afterheat of hot water retracting device, flue 16 is provided with the incubator 9, the hot water pipeline 14 passes through flue 16, the heat All weld seams of waterpipe 14 are in the outside of flue 16.Weld seam is arranged on the outside of flue 16 by the present invention can greatly reduce hot water In the probability of the water leakage inside of flue 16, hot water pipeline 14 is not only easy to discover and repairs pipeline 14 in the outside leak of flue 16, and And substantially reduce the influence to whole equipment.In the present invention, when forming machine waste gas residual heat recovery energy saver is more than hot water During heat reclamation device, the flow direction of waste gas and the flow direction of hot water are opposite.Of the invention so set causes waste gas and hot water Higher temperature difference is remained between pipeline 14, effectively increases absorption efficiency of the hot water pipeline 14 to waste-gas heat.At this In invention, when forming machine waste gas residual heat recovery energy saver is hot gas waste-heat recovery device, equipped with filtering at waste gas inlet port 2 Net 15;When forming machine waste gas residual heat recovery energy saver is afterheat of hot water retracting device, air inlet 12 is equipped with screen pack 15.This Invention is provided with filter at exhaust gas inlet and air inlet 12, and waste gas is filtered, and can not be shut down in running Filter screen is cleared up, so can effectively purify waste gas, improves the absorption efficiency to waste-gas heat.
The hot gas waste-heat recovery device of the present invention has the characteristics that:Demountable, easy to maintenance, single heat exchange tube 8 can be with disassembly, cleaning or replacing;Using Cryo Heat Tube, heat exchanger tube 8 using most select into end socket technology, product quality is stable and makes With long lifespan, good effect of heat exchange;Device interior heat absorbing side and cold side are effectively isolated, and interiors of products structure is novel, effectively solution The phenomenon of heat absorbing side of having determined and cold side string wind;Shell 1 is novel in design, and the shell 1 of equipment designs succinct novelty, casing baking vanish or Stainless steel, anti-corrosion attractive in appearance;Operating cost is low, without motion easily worn part, only needs the screen pack 15 at daily cleaning exhaust gas inlet;Only Change waste gas, forming machine energy saver air inlet 12 has special filtering net 15, waste gas is filtered, can not stop in running Machine is cleared up screen pack 15;Speed, increase yield are improved, the hot blast after heating enters baking oven, it is possible to reduce outside The injection rate of cold air, reduces the generation of hydrometeor, at the same reduce therefore and caused by aberration, make oven interior temperature equal It is even;Solve boiler capacity deficiency, if enterprise " conduction oil " boiler capacity is insufficient, using drying room temperature can be improved after this equipment, Reduce into heat conduction oil mass, improve enterprise production.
The hot gas waste-heat recovery device of the present invention has the following effects that:This waste heat recovery device for setting machine heat exchange efficiency is high, Hot fresh air and waste gas about 40 DEG C of the temperature difference of discharge in waste-heat recovery device;By waste heat recovery, make the temperature difference and internal circulating load of conduction oil Reduce, for there is the oil pump of VFC, its power consumption can also be reduced;By waste heat recovery, forming machine speed 2-3% can be improved It is different depending on the design temperature of different clothes, the water content of cloth and cabinet, while improve cloth feel degree;Returned by waste heat Receive, heat radiation of the waste gas airduct to workshop can be reduced, further reduce printworks temperature, good work is created for shop worker Make environment, flue gas suspension, particulate matter are purified;Hot blast fills into forming machine, reduces cold wind and enters baking oven, when saving heating Between and fuel;Improve security, waste gas just from blower fan discharge is just cooled, make waste gas do not reach at all detonation catch fire it is required Temperature, therefore several primary conditions of substance combustion are completely eliminated, the fire for also just thoroughly solving forming machine production process Hidden danger;Energy-conserving and environment-protective, high-temperature flue gas carry out " gas-gas " heat exchange once going out forming machine, and heat is just effectively reclaimed, and give up simultaneously Cooling is so incensed that, forming machine workshop temperature is significantly declined, is advantageous to improve oil smoke arresting efficiency;Device structure is tightly played, this Equipment is made using newest hot pipe technique, small volume non-resistance, does not influence forming machine smoke evacuation;Suitability is strong, flexible for installation, can be with It is domestic, the various forming machines of import are supporting, can both be directly installed in forming machine smoke evacuation exit, can also be mounted in forming machine whole piece chimney Exit.
The afterheat of hot water retracting device of the present invention has the characteristics that:Waste-heat recoverer is novel in design, and heat exchanger tube 8 is in flue 16 inside solderless interfaces, all weld seams are all that, in the event of seepage after long-time use, water only can be saturating in the outside of flue 16 Cross incubator 9 to leak to the outside of heat exchanger, as long as leaking area and repairing can be checked by opening incubator 9;Forming machine waste heat Recover air inlet 12 has special filtering net 15, and waste gas is filtered, and can not be shut down in running and filter screen is carried out clearly Reason;After long-play, if because the long-pending oil of heat exchanger tube 8 or batting influence heat exchange when, can clearly in inside batting.
It is described above, simply presently preferred embodiments of the present invention, the invention is not limited in above-mentioned embodiment, as long as It reaches the technique effect of the present invention with identical means, should all belong to protection scope of the present invention.

Claims (9)

1. forming machine waste gas residual heat reclaims energy saver, it is characterised in that:It is hot gas waste-heat recovery device or afterheat of hot water recovery Device, the hot gas waste-heat recovery device include shell(1), shell(1)The waste gas entered for high-temp waste gas is provided with to enter Mouthful(2), for low temperature waste gas discharge outlet port(3), for low-temperature heat gas enter hot gas inlet port(4) And the hot gas outlet for high temperature heating gas discharge(5), shell(1)It is internally provided with for absorbing waste-gas heat Heat absorption area(6), for hot gas absorb heat heat release zone(7)And for the area that will absorb heat(6)Heat transfer to putting Hot-zone(7)Heat exchanger tube(8), the heat absorption area(6)With heat release zone(7)Between be isolated from each other, heat exchanger tube(8)One end is placed on Heat absorption area(6), the other end is placed on heat release zone(7), heat exchanger tube(8)Inside is equipped with the heat-conducting medium for being used for transmitting heat;It is described Afterheat of hot water retracting device includes incubator(9), incubator(9)It is provided with the water inlet entered for cooling water(10), be used for The delivery port of supplying hot water outflow(11), for for high-temp waste gas enter air inlet(12)And for for low temperature waste gas discharge Exhaust outlet(13), incubator(9)It is internally provided with the hot water pipeline for supplying hot water circulation(14), the hot water pipeline(14)One End and water inlet(10)Connection, the other end and delivery port(11)Connection.
2. forming machine waste gas residual heat according to claim 1 reclaims energy saver, it is characterised in that:More than forming machine waste gas When heat recovery energy-saving device is hot gas waste-heat recovery device, the heat exchanger tube(8)With horizontal line formed by angle be more than zero degree it is small In equal to 90 degree, heat exchanger tube(8)Relatively low one end is arranged on heat absorption area(6), heat exchanger tube(8)Higher one end is arranged on heat release Area(7), heat exchanger tube(8)Internal heat-conducting medium is heat conduction with phase change medium.
3. energy saver is reclaimed according to any described forming machine waste gas residual heat of claim 1 or 2, it is characterised in that:Work as sizing When machine waste gas residual heat recovery energy saver is hot gas waste-heat recovery device, the heat exchanger tube(8)Half is placed on heat absorption area(6), Second half is placed on heat release zone(7).
4. energy saver is reclaimed according to any described forming machine waste gas residual heat of claim 1 or 2, it is characterised in that:Work as sizing When machine waste gas residual heat recovery energy saver is hot gas waste-heat recovery device, the flow direction of waste gas and the flow direction of hot gas Conversely.
5. forming machine waste gas residual heat according to claim 1 reclaims energy saver, it is characterised in that:More than forming machine waste gas When heat recovery energy-saving device is hot gas waste-heat recovery device, waste gas inlet port(2)Place is equipped with screen pack(15).
6. forming machine waste gas residual heat according to claim 1 reclaims energy saver, it is characterised in that:More than forming machine waste gas When heat recovery energy-saving device is afterheat of hot water retracting device, the hot water pipeline(14)For compound aluminum finned tube.
7. forming machine waste gas residual heat according to claim 1 reclaims energy saver, it is characterised in that:More than forming machine waste gas When heat recovery energy-saving device is afterheat of hot water retracting device, the incubator(9)Inside it is provided with flue(16), the hot water pipeline (14)Through flue(16), the hot water pipeline(14)All weld seams in flue(16)Outside.
8. energy saver is reclaimed according to any described forming machine waste gas residual heat in claim 1,6 or 7, it is characterised in that:When fixed When type machine waste gas residual heat recovery energy saver is afterheat of hot water retracting device, the flow direction of waste gas and the flow direction phase of hot water Instead.
9. forming machine waste gas residual heat according to claim 1 reclaims energy saver, it is characterised in that:More than forming machine waste gas When heat recovery energy-saving device is afterheat of hot water retracting device, air inlet(12)Equipped with screen pack(15).
CN201610783571.6A 2016-08-31 2016-08-31 Forming machine waste gas residual heat reclaims energy saver Pending CN107541884A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108265425A (en) * 2018-02-02 2018-07-10 绍兴锦晨生物科技有限公司 A kind of fabric forming drying unit
CN112370947A (en) * 2020-11-17 2021-02-19 宁波顺泽橡胶有限公司 Energy-concerving and environment-protective type nitrile rubber reforms transform waste gas waste heat recovery and utilizes device
CN113981641A (en) * 2021-11-25 2022-01-28 绍兴达伽马纺织有限公司 Waste gas recovery method of textile printing and dyeing setting machine

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US4401261A (en) * 1980-10-23 1983-08-30 Brown Leeroy W Flue gas heat recovery apparatus
CN87212240U (en) * 1986-08-26 1988-08-10 劳舍兄弟有限公司 Heat exchanger
CN101706217A (en) * 2009-09-17 2010-05-12 无锡市东方环境工程设计研究所有限公司 No-leakage alternating thermal stress resisting heat exchanger
CN101749976A (en) * 2009-12-23 2010-06-23 李天德 Waste heat exchange device for textile setting machine
CN102183162A (en) * 2011-02-21 2011-09-14 浙江海亮能源管理有限公司 Modularized forming machine waste heat recovery machine
CN102268796A (en) * 2011-05-24 2011-12-07 桐乡市好阳光能源科技有限公司 Waste gas treating and waste heat recycling device and method
CN202350597U (en) * 2011-11-15 2012-07-25 杭州福鼎节能科技服务有限公司 Integrally detachable afterheat recycler
CN202595491U (en) * 2012-03-08 2012-12-12 黄远华 Exhaust waste heat recovery and purification integrated device for forming machine
CN103017569A (en) * 2012-10-11 2013-04-03 王浩 Flue gas heating device
CN203454870U (en) * 2013-07-15 2014-02-26 绍兴市明烽节能科技有限公司 Differential-type exchanger

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4401261A (en) * 1980-10-23 1983-08-30 Brown Leeroy W Flue gas heat recovery apparatus
CN87212240U (en) * 1986-08-26 1988-08-10 劳舍兄弟有限公司 Heat exchanger
CN101706217A (en) * 2009-09-17 2010-05-12 无锡市东方环境工程设计研究所有限公司 No-leakage alternating thermal stress resisting heat exchanger
CN101749976A (en) * 2009-12-23 2010-06-23 李天德 Waste heat exchange device for textile setting machine
CN102183162A (en) * 2011-02-21 2011-09-14 浙江海亮能源管理有限公司 Modularized forming machine waste heat recovery machine
CN102268796A (en) * 2011-05-24 2011-12-07 桐乡市好阳光能源科技有限公司 Waste gas treating and waste heat recycling device and method
CN202350597U (en) * 2011-11-15 2012-07-25 杭州福鼎节能科技服务有限公司 Integrally detachable afterheat recycler
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CN103017569A (en) * 2012-10-11 2013-04-03 王浩 Flue gas heating device
CN203454870U (en) * 2013-07-15 2014-02-26 绍兴市明烽节能科技有限公司 Differential-type exchanger

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108265425A (en) * 2018-02-02 2018-07-10 绍兴锦晨生物科技有限公司 A kind of fabric forming drying unit
CN108265425B (en) * 2018-02-02 2020-06-26 绍兴锦晨生物科技有限公司 Textile fabric shaping and drying device
CN112370947A (en) * 2020-11-17 2021-02-19 宁波顺泽橡胶有限公司 Energy-concerving and environment-protective type nitrile rubber reforms transform waste gas waste heat recovery and utilizes device
CN112370947B (en) * 2020-11-17 2022-07-12 宁波顺泽橡胶有限公司 Energy-concerving and environment-protective type nitrile rubber reforms transform waste gas waste heat recovery and utilizes device
CN113981641A (en) * 2021-11-25 2022-01-28 绍兴达伽马纺织有限公司 Waste gas recovery method of textile printing and dyeing setting machine
CN113981641B (en) * 2021-11-25 2022-06-03 绍兴达伽马纺织有限公司 Waste gas recovery method of textile printing and dyeing setting machine

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Application publication date: 20180105