CN103818112B - Intaglio printing waste gas afterheat recovery system device and application process thereof - Google Patents

Intaglio printing waste gas afterheat recovery system device and application process thereof Download PDF

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Publication number
CN103818112B
CN103818112B CN201210469033.1A CN201210469033A CN103818112B CN 103818112 B CN103818112 B CN 103818112B CN 201210469033 A CN201210469033 A CN 201210469033A CN 103818112 B CN103818112 B CN 103818112B
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Prior art keywords
waste gas
heat
air intake
recovery system
intake vent
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CN201210469033.1A
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CN103818112A (en
Inventor
顾成
熊明权
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Jiangsu Leater Green Packaging Co Ltd
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Jiangsu Leater Green Packaging Co Ltd
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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
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Abstract

The invention discloses a kind of intaglio printing waste gas afterheat recovery system device, including gas recovery system and new wind heating system, described gas recovery system includes waste gas heat exchange tube road, exhaust blower and the exhaust duct being sequentially connected with, and waste gas heat exchange tube road is installed and purifies heat exchanger components group;Described new wind heating system includes the new air heat-exchange pipeline with two new wind entrances, and described new air heat-exchange pipeline is installed heat exchange of heat pipe and baking oven air intake air intake device;The present invention collects the heat of the waste gas in intaglio printing production process and steam condensate, realize preheating by heat exchange structure and introduce the new wind of system and device, again the new wind after preheating is sent into intaglio press unit vapor heat exchanger air inlet, in order to dry ink after vapor heat exchanger heats, reduce energy consumption, there is good economic worth.

Description

Intaglio printing waste gas afterheat recovery system device and application process thereof
Technical field
The present invention relates to a kind of intaglio printing waste gas afterheat recovery system device and application process thereof, belong to the equipment of intaglio printing industry.
Background technology
Waste gas residual heat reclaims to be applied widely in power plant, steam boiler etc. have the field of a large amount of high-temp waste gas, utilizes the heat in waste gas, passes through cool-heat-exchanger, the media preheating such as water or air, take full advantage of the energy, reduce energy consumption, improve the economic benefit of enterprise.
Waste gas residual heat reclaims and can also apply in intaglio printing.High temperature air is mainly used in baking and curing ink.Generally using due to ink balloon score resin raw material to prepare, then have certain requirement to baking temperature, if temperature is too high, ink vacation can be caused to do, internal ink is the driest, affects next unit printing.Temperature is low, makes dissolvent residual high, and in intaglio printing, the base material after printing needs to dry cured printing ink by uniform temperature drying tunnel.Character according to ink and the area of ink covering, arrange different drying tunnel temperatures.Intaglio press drying tunnel temperature typically should be arranged between 30 DEG C~120 DEG C.Base material after printing needs by drying tunnel, the moisture content in ink or solvent to be dried, and reaches ink setting solidification.And the EGT that intaglio press is discharged is between 30 DEG C~95 DEG C, there is a large amount of utilizable low-quality heat the inside.
According to said method and the restrictive condition of exhaust gas utilization, in the prior art, general heat-exchanger rig is used to be difficult to be accurately controlled.According to the technology of current intaglio printing, general intaglio plate exhaust gas utilization scheme is the waste gas mode that direct reuse is discharged, and reclamation rate is 0~30%, and remaining hot blast waste gas is discharged in air.How to control and to improve heat utilization ratio, using the problems such as which kind of equipment, in prior art or disclosed document, report the most accordingly.
Summary of the invention
The present invention provides a kind of intaglio printing waste gas afterheat recovery system device and application process thereof; this programme is to utilize heat exchange of heat pipe to be reclaimed by the partial heat in waste gas produced in printing equipment production process; the steam condensate heat of about 80 DEG C produced in printer production process is reclaimed simultaneously; the heat the reclaimed new wind of suction needed for the oven heat of pre-thermal printer; to reach steam saving consumption, reduce to airborne release overheated gas and the purpose of protecting environment.
The present invention is to be realized by following technical scheme:
A kind of intaglio printing waste gas afterheat recovery system device, including gas recovery system and new wind heating system, described gas recovery system includes waste gas heat exchange tube road, exhaust blower and the exhaust duct being sequentially connected with, and waste gas heat exchange tube road is installed and purifies heat exchanger components group;Described new wind heating system includes the new air heat-exchange pipeline with two new wind entrances, and described new air heat-exchange pipeline is installed heat exchange of heat pipe and baking oven air intake air intake device.
One end of described waste gas heat exchange tube road head has printing process gas inlet means, the exhaust outlet of described printing process gas inlet means intaglio printing unit baking oven.
Described baking oven air intake air intake device is intaglio press unit oven heater air inlet.
Described purification heat exchanger components group includes purification filtering equipment and the heat exchange of heat pipe being sequentially connected with along exhaust gas flow direction.
Described purification filtering equipment includes photocatalyst or active carbon filtering device, main air purifier, secondary air purifier and the three grades of air cleaners being sequentially connected with.
Two new wind entrances of described new air heat-exchange pipeline are the most main air intake vent of flow direction of waste gas in main air intake vent and time air intake vent, with described waste gas heat exchange tube road respectively, and another one is time air intake vent.
Described main air intake vent and time air intake vent are mounted on frequency conversion axial flow fan, in order to increase the pressure of new wind air intake vent, and can pass through frequency conversion, control intake at any time.
Inside described air intake vent, also there is steam condensate (SC) heat exchanger.
Described heat exchange of heat pipe is copper pipe, and the fin of heat exchange of heat pipe is hydrophilic aluminium foil.
The invention have the benefit that
The waste gas that intaglio press produces uses heat pipe heat exchanging technology, and waste gas does not contacts with fresh air, reduces the dissolvent residual in printing process, it is to avoid the conventionally employed waste gas being directly mixed with certain ratio, to reduce the purpose of energy consumption;
Using heat exchange of heat pipe, heat exchange efficiency is high;
Make use of the heat in the heat of the steam condensate (SC) that intaglio press produces and waste gas, make full use of waste heat, reduce energy consumption.
Time air intake vent is from equipment ambient inhaled air simultaneously, and equipment carries out Temperature fall, extension device life-span.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described.
Such as Fig. 1, it it is the structural representation of the present invention, it it is a kind of intaglio printing waste gas afterheat recovery system device, including gas recovery system and new wind heating system, gas recovery system includes waste gas heat exchange tube road 1, exhaust blower 2 and the exhaust duct 3 being sequentially connected with, and waste gas heat exchange tube road 1 is installed and purifies heat exchanger components group;New wind heating system includes the new air heat-exchange pipeline 4 with two new wind entrances, and new air heat-exchange pipeline is installed heat exchange of heat pipe 5 and baking oven air intake air intake device 6.One end of waste gas heat exchange tube road head has printing process gas inlet means 7, it can be seen that printing process gas inlet means is printer unit baking oven exhaust outlet.Baking oven air intake air intake device 6 is also printer unit heater air inlet.Printing process gas inlet means is to absorb the waste gas produced in printing process.
Purify purification filtering equipment and heat exchange of heat pipe 5 that heat exchanger components group includes being sequentially connected with along exhaust gas flow direction.Purification filtering equipment includes photocatalyst or active carbon filtering device 8, main air purifier 10, secondary air purifier 11 and the three grades of air cleaners 12 being sequentially connected with.It is effectively protected heat exchange of heat pipe.
Two new wind entrances of new air heat-exchange pipeline 4 are main air intake vent 42 and time air intake vent 41 respectively, as it can be seen, with the most main air intake vent of flow direction 42 of waste gas in described waste gas heat exchange tube road, another one is time air intake vent 41.Main air intake vent and time air intake vent are mounted on frequency conversion axial flow fan 13, in order to increase the pressure of new wind air intake vent, and can pass through frequency conversion, control intake at any time.Also there is inside secondary air intake vent steam condensate (SC) heat exchanger 14.In the present invention, heat exchange of heat pipe is copper pipe, and the fin of heat exchange of heat pipe is hydrophilic aluminium foil.
The workflow of the present invention is: the high-temp waste gas that printing equipment produces in process of production is after printing the discharge of each baking oven, import in air draft main pipeline, enter printing waste gas heat exchange tube road, along pipeline flow, pass sequentially through photocatalyst simultaneously or active carbon filtering device, main air purifier, secondary air purifier and three grades of air cleaners purify, process enters heat exchange of heat pipe after completing and heats, and is delivered to be in the fresh air of low temperature state by heat through superheater tube simultaneously;And remaining waste gas by exhaust blower by outside exhaust duct discharge chamber.Owing to the new wind of main air intake vent is preheated, the heater of unit is entered along new air heat-exchange pipeline, the air of secondary air intake vent is preheated by the steam condensate (SC) in secondary air intake vent, the printing process that heat exchanger is collected, and enters new air heat-exchange pipeline together with the new wind entered with secondary air intake vent.In order to ensure the quality of new wind, the upstream end at main air intake vent and time air intake vent is also provided with filter, it is ensured that new wind has good quality, crosses the dust in air filtering, it is to avoid heat exchanger is blocked.So, entering from main air intake vent and time air intake vent and the steam that heats is by baking oven air intake air intake device sucking-off, complete heat recovery, the waste heat in waste gas reenters print system and is obtained by.
In order to reach well to control utilization rate and the temperature of waste gas, in new air heat-exchange pipeline, sensor is set, sensor measurement total pipeline inside and outside differential pressure value, and using this pressure difference as the signal of regulation, thus regulation and the rotating speed of control frequency conversion axial flow fan, to reach the air quantity that the demand of conveying and printing machine matches.
Exhaust fan uses speed govornor by frequency modulator, and blast differential pressure pickup is arranged on the house steward of exhaust duct, and it by the blast pressure difference inside and outside detection airduct and removes to automatically control the rotating speed of exhaust fan according to the size of this pressure difference, thus controls exhaust air rate.Make exhaust air rate can in the range of 30%~100% total blast volume the exhaust air rate of automatic tracking and matching press oven, make baking oven reach required temperature value and optimal negative pressure value.

Claims (8)

1. an intaglio printing waste gas afterheat recovery system device, heats system including gas recovery system and new wind System, it is characterised in that described gas recovery system includes waste gas heat exchange tube road, exhaust blower and the air draft being sequentially connected with Pipeline, waste gas heat exchange tube road is installed filtration, purification heat exchanger components group;Described new wind heating system includes having two The new air heat-exchange pipeline of individual new wind entrance, described new air heat-exchange pipeline is installed heat exchange of heat pipe and baking oven air intake is inhaled Wind apparatus;
Two new wind entrances of described new air heat-exchange pipeline are main air intake vent and time air intake vent respectively, with described waste gas The most main air intake vent of the flow direction of waste gas in heat exchange pipeline, another one is time air intake vent, main air intake vent Directly from outdoor suction fresh air, secondary air intake vent is from indoor airduct ambient inhaled air;
The upstream end of main air intake vent and time air intake vent is also provided with filter.
2. intaglio printing waste gas afterheat recovery system device as claimed in claim 1, it is characterised in that described One end of waste gas heat exchange tube road head has printing process gas inlet means, and described printing process gas inlet means is collected recessed The exhaust piping that each unit of printing machine is discharged.
3. intaglio printing waste gas afterheat recovery system device as claimed in claim 1, it is characterised in that described Baking oven air intake air intake device is intaglio press unit heater intake stack.
4. intaglio printing waste gas afterheat recovery system device as claimed in claim 1, it is characterised in that described Purify purification filtering equipment and heat exchange of heat pipe that heat exchanger components group includes being sequentially connected with along exhaust gas flow direction.
5. intaglio printing waste gas afterheat recovery system device as claimed in claim 4, it is characterised in that described Purification filtering equipment include the photocatalyst that is sequentially connected with or active carbon filtering device, main air purifier, two Level air cleaner and three grades of air cleaners.
6. intaglio printing waste gas afterheat recovery system device as claimed in claim 1, it is characterised in that described Main air intake vent and time air intake vent are mounted on frequency conversion axial flow fan.
7. the intaglio printing waste gas afterheat recovery system device as described in claim 1 or 6, it is characterised in that Inside described air intake vent, also there is steam condensate (SC) heat exchanger.
8. intaglio printing waste gas afterheat recovery system device as claimed in claim 1, it is characterised in that described Heat exchange of heat pipe is copper pipe, and the fin of heat exchange of heat pipe is hydrophilic aluminium foil.
CN201210469033.1A 2012-11-19 2012-11-19 Intaglio printing waste gas afterheat recovery system device and application process thereof Active CN103818112B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6445043B2 (en) * 2014-11-06 2018-12-26 株式会社小森コーポレーション Gas recovery device for printing press
WO2017182072A1 (en) 2016-04-20 2017-10-26 Hewlett-Packard Development Company L.P. Controlling the distribution of pre-heated air in a printing device
CN107584872A (en) * 2017-09-11 2018-01-16 黄显平 A kind of efficiently recuperation of heat dryer
CN109605934B (en) * 2018-12-29 2020-12-29 重庆富美包装印务有限公司 Waste heat recovery circulating system of printing machine
CN112092499A (en) * 2019-06-18 2020-12-18 襄阳金飞环彩色包装有限公司 Energy-saving and environment-friendly printing machine
CN110594940A (en) * 2019-09-30 2019-12-20 武汉工程大学 Indoor air exchange system that uses of printing spraying

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CN201721121U (en) * 2010-06-13 2011-01-26 浙江美格机械有限公司 Residual heat recovering device for drying oven of intaglio press
WO2011141335A1 (en) * 2010-05-11 2011-11-17 Manroland Ag Thermal air drying device having waste heat utilization
DE102011084815A1 (en) * 2010-10-22 2012-04-26 Koenig & Bauer Aktiengesellschaft Printing machine comprises waste heat recovery system, heat exchanger, and heat pump which heats the air and provides heated air to drying device
CN102673118A (en) * 2012-04-23 2012-09-19 东莞市永淦节能科技有限公司 Energy-saving system for high-temperature heat pump of printing machinery

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WO2011141335A1 (en) * 2010-05-11 2011-11-17 Manroland Ag Thermal air drying device having waste heat utilization
CN201721121U (en) * 2010-06-13 2011-01-26 浙江美格机械有限公司 Residual heat recovering device for drying oven of intaglio press
DE102011084815A1 (en) * 2010-10-22 2012-04-26 Koenig & Bauer Aktiengesellschaft Printing machine comprises waste heat recovery system, heat exchanger, and heat pump which heats the air and provides heated air to drying device
CN102673118A (en) * 2012-04-23 2012-09-19 东莞市永淦节能科技有限公司 Energy-saving system for high-temperature heat pump of printing machinery

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Address after: 214191 No. 55 Rong Rong Road, Xishan Economic Development Zone, Jiangsu, Wuxi

Applicant after: JIANGSU LEATER GREEN PACKAGING Corp.,Ltd.

Address before: 214092 Rong Yang two road, Xishan Economic Development Zone, Xishan District, Jiangsu, Wuxi

Applicant before: WUXI LEATER PRINTING & PACKAGING Co.,Ltd.

COR Change of bibliographic data
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PE01 Entry into force of the registration of the contract for pledge of patent right
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Denomination of invention: Waste heat recycling system device for intaglio printing waste gas and method for applying waste heat recycling system device

Effective date of registration: 20190115

Granted publication date: 20160824

Pledgee: Agricultural Bank of China Limited by Share Ltd. Wuxi science and Technology Branch

Pledgor: JIANGSU LEATER GREEN PACKAGING Corp.,Ltd.

Registration number: 2019990000045

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Date of cancellation: 20230707

Granted publication date: 20160824

Pledgee: Agricultural Bank of China Limited by Share Ltd. Wuxi science and Technology Branch

Pledgor: JIANGSU LEATER GREEN PACKAGING Corp.,Ltd.

Registration number: 2019990000045