CN102489437A - Energy-saving device and method for drying box of coating compound machine - Google Patents

Energy-saving device and method for drying box of coating compound machine Download PDF

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Publication number
CN102489437A
CN102489437A CN2011104052942A CN201110405294A CN102489437A CN 102489437 A CN102489437 A CN 102489437A CN 2011104052942 A CN2011104052942 A CN 2011104052942A CN 201110405294 A CN201110405294 A CN 201110405294A CN 102489437 A CN102489437 A CN 102489437A
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baking oven
negative pressure
pressure value
leading portion
return air
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CN102489437B (en
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杨峥雄
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Eternal Photoelectric Materials Guangzhou 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

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Abstract

The invention discloses an energy-saving device for a drying box of a coating compound machine. The energy-saving device for the drying box of the coating compound machine comprises a pipeline, a secondary return air fan, an exhaust fan and a heat exchanger, and is characterized in that a negative pressure value of a front-section oven is greater than a negative pressure value of a back-section oven, a wind flow in a material penetration gap between a front-section interface and a back-section interface flows from back to front, the tail gas in the oven at the back in a material running direction is exhaust to the front-section oven to recycle by the secondary return air fan, so that the energy-saving and drying effects are remarkable, and the energy-saving device is compact and artistic in appearance. The energy-saving device for the drying box of the coating compound machine is particularly suitable for evaporating and drying of organic solvents and water in a compound machine, a coating machine, a coating production line, a metal decorating coating line, a color aluminum coating production line and the like, and belong to the technical field of energy saving.

Description

A kind of coating complex machine drying baker energy saver and method
Technical field
The present invention relates to a kind of coating complex machine drying baker energy saver and method, especially be applied to belong to field of energy-saving technology on organic solvents such as compounding machine, coating machine, paint line, tin graphed sheet paint line, color aluminium coating line and the evaporation of water drying.
Background technology
Along with domestic printing packaging industry develops rapidly, quantity such as coating machine, oil paint coating line, tin graphed sheet paint line, color aluminium coating line are more and more, and the color aluminium coating line of list China has accounted for 60% of the world according to statistics.Existing coating machine, oil paint coating line, tin graphed sheet paint line, color aluminium coating line air inlet and outlet device are made up of pipeline, air exhauster, heat exchanger etc., and general energy consumption is big, and exhaust system or in line can cause the significant wastage of energy like this; Through in line behind the secondary return air, can cause product to do like this and not pass through, residual solvent or moisture strengthen, and influence properties of product.
A kind of energy-conservation air inlet and outlet device utility model that inventor Yang Zheng hero has been authorized (application number is 200920177797.7); Actual according to existing coating process; Concentration from large to small promptly to get into solvent or the steam (to aqueous ink, glue) of baking oven band coating material; And the solvent strength of obtaining around the baking oven place material is low, is preferably zero (using fresh air), advances a little bigger influence of baking oven place concentration not quite; Be withdrawn into heat exchanger 5 to the back baking oven tail gas of releasing through air exhauster 3 and control the temperature baking oven to the front again well, guaranteed that like this baking oven internal solvent or steam gas concentration are ascending to import by material outlet.Front baking oven solvent or water vapor concentration are bigger; Can be on exhaust outlet or exhaust duct assembling heat exchanger; Be used for heating fresh air to combustion gas heat energy through heat exchanger, again the heating fresh air send baking oven back to, in actual production to the energy-conservation certain effect that obtains of coating machine.But shown in this accompanying drawing, be extracted into the front baking oven to back segment baking oven wind through baking oven outer tube road, pipeline is comparatively complicated, influences equipment appearance; It is excessive to be prone to produce the baking oven air inflow in the practical operation, and negative pressure value is too small, influences drying effect.
Summary of the invention
In order to address the above problem, the present invention further improves development on the prior art basis, proposed a kind of coating complex machine drying baker energy saver and method, obtained more obvious effects of energy-conservation and drying, and compact appearance is attractive in appearance.
A kind of coating complex machine drying baker energy saver; Comprise pipeline, secondary return air machine, exhaust blower, heat exchanger composition; It is characterized in that: the negative pressure value of leading portion baking oven is greater than the negative pressure value of back segment baking oven; It is distinguished and admirable mobile back to front that the material gap is worn at segment interface place, front and back, and said secondary return air machine is being extracted into front baking oven recycle by the tail gas of walking to expect direction back baking oven.
Also can receive back segment to oven interior leading portion secondary return air pipe in the enforcement.For the openable mode in baking oven top, can receive back segment to oven interior leading portion secondary return air pipe, be extracted into leading portion to the wind of back segment through the secondary return air machine, control the temperature baking oven to the front again well through heat exchanger.
Baking oven is equipped with heat exchanger on exhaust outlet or exhaust duct, be used for heating fresh air to heat energy with heat exchanger, and the fresh air after the heating can supply the baking oven air inlet to use.
Secondary return air air inlet 6 and fresh air air inlet 5 are arranged on the heater, and what of valve scalable fresh air air intake fresh air air inlet 5 have.
Through the control of valve opening to air inlet and exhaust ratio, realize the negative pressure value of the negative pressure value of leading portion baking oven together in conjunction with regulation and control greater than the back segment baking oven to exhaust blower 8 rotating speeds, make the gas flow leading portion baking oven of back segment baking oven.Secondary return air machine 3, exhaust blower 8 motors are realized above-mentioned negative pressure adjusting more easily with VFC.Or oven interior leading portion secondary exhaust duct directly reaches the Lower Half of back segment baking oven, the recycle of back segment air flow leading portion baking oven.
Because of the baking oven negative pressure is protected, make dissolving or water evaporates better effects if.
The combustable gas concentration acquisition sensor is housed on the pipeline.
The back baking oven tail gas of releasing is extracted into heat exchanger through air exhauster and controls the temperature baking oven to the front again well.
The present invention is actual according to existing coating process; Concentration from large to small promptly to get into solvent or the steam (to aqueous ink, glue) of baking oven band coating material; And the solvent strength of obtaining around the baking oven place material is low; Be preferably zero (using fresh air); It is little that material advances a little bigger influence of baking oven place concentration, and the tail gas of releasing baking oven at the back is withdrawn into heat exchanger 7 through air exhauster 3 and controls the temperature baking oven to the front again well, has guaranteed that like this baking oven internal solvent or steam gas concentration are ascending to import by material outlet.This just requires the back segment of baking oven to advance fresh air, and middle baking oven is taken out the heated air recycle of back baking oven forward, and the air door 5 that advances fresh air can be closed or few part is opened.So total exhaust reduces, and reactive loss reduces, and equipment is more energy-conservation.
Front baking oven solvent or water vapor concentration are bigger, can be on exhaust outlet or exhaust duct assembling heat exchanger, be used for heating fresh air to combustion gas heat energy through heat exchanger, send the heating fresh air back to baking oven again.
Because of organic solvents such as benzene class, ester class, ketone belong to combustible and explosive articles,, comprise cutting-off valve 1 and safety-valve 2 so pipeline preferably also should install explosion-protection equipment additional in carrying.
Combustable gas concentration in the combustable gas concentration acquisition sensor 4 detectable gases prevents near explosion limit, to guarantee security of system.
Description of drawings
Fig. 1, Fig. 2 are the sketch map of front and back two joint baking oven exhausts passing through two kinds of embodiments of treating apparatus in coating machine, compounding machine, the paint line.
Among the figure, 1 is cutting-off valve, and 2 is safety-valve, and 3 is the secondary return air machine, and 4 is the combustable gas concentration acquisition sensor, and 5 is the fresh air air inlet, and 6 is the secondary return air air inlet, and 7 is heat exchanger, and 8 is exhaust blower, and n is a baking oven, and n-1 is a n leading portion baking oven.
The specific embodiment
The present invention is actual according to existing coating process; Concentration from large to small promptly to get into solvent or the steam (to aqueous ink, glue) of baking oven band coating material; And the solvent strength of obtaining around the baking oven place material is low; Be preferably zero (using fresh air); It is little to advance a little bigger influence of baking oven place concentration, and the tail gas of releasing baking oven at the back is extracted into heat exchanger 7 through secondary return air machine 3 and controls the temperature baking oven to the front again well, has guaranteed that like this baking oven internal solvent or steam gas concentration are ascending to import by material outlet.The tail gas of releasing like n baking oven in the accompanying drawing is withdrawn into heat exchanger 7 through secondary return air machine 3 and controls the temperature baking oven n-1 to the front again well.Front baking oven solvent or water vapor concentration are bigger, can be on exhaust outlet or exhaust duct assembling heat exchanger, be used for heating fresh air to combustion gas heat energy through heat exchanger, send the heating fresh air back to baking oven again.
Because of organic solvents such as benzene class, ester class, ketone belong to combustible and explosive articles,, comprise cutting-off valve 1 and safety-valve 2 so pipeline preferably also should install explosion-protection equipment additional in carrying.
Combustable gas concentration in the combustable gas concentration acquisition sensor 4 detectable gases prevents near explosion limit, to guarantee security of system.
Embodiment 1; As shown in Figure 1; The negative pressure value of leading portion baking oven is greater than the negative pressure value of back segment baking oven, and it is distinguished and admirable mobile back to front that the material gap is worn at the segment interface place before and after the oven interior, and said secondary return air machine is being extracted into front baking oven recycle by the tail gas of walking to expect direction back baking oven; Be heated to control and send into baking oven after the temperature and use, or the baking oven tail gas of releasing in back is withdrawn into heat exchanger through exhaust blower 8 and mixes with fresh air and flow to baking oven after heat by the temperature of setting the back.
Embodiment 2, shown in Figure 2, the negative pressure value of leading portion baking oven is greater than the negative pressure value of back segment baking oven, and it is distinguished and admirable mobile back to front that the material gap is worn at segment interface place in front and back; Oven interior back segment baking oven lower pipeline links to each other with leading portion secondary return air machine 3; Being extracted into front baking oven recycle by the tail gas of walking to expect direction back baking oven; Be heated to control and send into baking oven after the temperature and use, or the baking oven tail gas of releasing in back is withdrawn into heat exchanger 7 through air exhauster and mixes with fresh air through fresh air air inlet 5 and flow to baking oven after heat by the temperature of setting the back.

Claims (10)

1. coating complex machine drying baker energy saver; Comprise pipeline, secondary return air machine, exhaust blower, heat exchanger composition; It is characterized in that: the negative pressure value of leading portion baking oven is greater than the negative pressure value of back segment baking oven; Before and after the segment interface place wear that the material gap is distinguished and admirable flows back to front, said secondary return air machine is by walking to expect that the tail gas that direction back baking oven is released is extracted into the recycle of leading portion baking oven.
2. according to the said a kind of coating complex machine drying baker energy saver of claim 1, it is characterized in that: secondary return air machine, exhaust blower motor all are variable-frequency motor, scalable baking oven vacuum magnitude.
3. according to the said a kind of coating complex machine drying baker energy saver of claim 1, it is characterized in that: the tail gas that the back baking oven is released is extracted into through air exhauster and flows to baking oven heat exchanger mixes the temperature heating of back by setting with fresh air after.
4. according to the said a kind of coating complex machine drying baker energy saver of claim 1, it is characterized in that: baking oven is equipped with heat exchanger on exhaust outlet or exhaust duct, is used for heating fresh air to heat energy with heat exchanger, and the fresh air after the heating supplies the baking oven air inlet to use.
5. according to the said a kind of coating complex machine drying baker energy saver of claim 1; It is characterized in that: the negative pressure value of leading portion baking oven is greater than the negative pressure value of back segment baking oven; It is distinguished and admirable mobile back to front that the material gap is worn at segment interface place, front and back, and said secondary return air machine handle is by walking to expect that the tail gas that direction back segment baking oven is released is extracted into front baking oven recycle.
6. according to the said a kind of coating complex machine drying baker energy saver of claim 1; It is characterized in that: back segment baking oven lower pipeline links to each other with leading portion secondary return air machine; Being extracted into front baking oven recycle, being heated to and sending into baking oven after the control temperature and use by the tail gas of walking to expect direction back baking oven.
7. according to the power-economizing method of the said a kind of coating complex machine drying baker of claim 1; It is characterized in that: the negative pressure value of leading portion baking oven is greater than the negative pressure value of back segment baking oven; It is distinguished and admirable mobile back to front that the material gap is worn at segment interface place, front and back, and said secondary return air machine handle is by walking to expect that the tail gas that direction back segment baking oven is released is extracted into front baking oven recycle.
8. according to the power-economizing method of the said a kind of coating complex machine drying baker of claim 7; It is characterized in that: the negative pressure value of leading portion baking oven is greater than the negative pressure value of back segment baking oven; Before and after the segment interface place flow before wearing that the material gap is distinguished and admirable and hoping by the back, said secondary return air machine is by walking to expect that the tail gas that direction back segment baking oven is released is extracted into front baking oven recycle.
9. the power-economizing method of said according to Claim 8 a kind of coating complex machine drying baker; It is characterized in that: oven interior back segment baking oven lower pipeline links to each other with leading portion secondary return air machine; Being extracted into front baking oven recycle, being heated to and sending into baking oven after the control temperature and use by the tail gas of walking to expect direction back baking oven.
10. according to the power-economizing method of the said a kind of coating complex machine drying baker of claim 7; It is characterized in that: through the control of valve opening air inlet and exhaust ratio; Realize the negative pressure value of the negative pressure value of leading portion baking oven together in conjunction with regulation and control, make the gas flow leading portion baking oven of back segment baking oven greater than the back segment baking oven to the exhaust blower rotating speed.
CN2011104052942A 2011-12-02 2011-12-02 Energy-saving device and method for drying box of coating compound machine Active CN102489437B (en)

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CN102489437B CN102489437B (en) 2013-12-18

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103223398A (en) * 2013-04-21 2013-07-31 杨峥雄 Vertical type gluing machine drying box and energy-saving method thereof
CN105202896A (en) * 2015-10-20 2015-12-30 浙江阳阳包装有限公司 Exhaust gas recovery device for solvent-free compound machine
CN105537080A (en) * 2015-11-01 2016-05-04 杨峥雄 Environmental energy-saving intake and exhaust device and method
CN105710013A (en) * 2014-12-01 2016-06-29 武汉宝钢印铁有限公司 Small drying room with automatic preheating function
CN106048924A (en) * 2016-07-11 2016-10-26 马福顺 Pre-coating and bottom-coating combine for modular carpet
CN106827801A (en) * 2017-04-05 2017-06-13 江阴市汇通印刷包装机械有限公司 The energy recovery air supply device and its circulation air feed system of printing machine
CN109490467A (en) * 2017-09-13 2019-03-19 河北银隆新能源有限公司 The prior-warning device and method for early warning of NMP concentration over-standard in lithium titanate battery coating process

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101804718A (en) * 2010-02-10 2010-08-18 孙宗长 Device and method for reducing gas discharge value and lowering drying energy consumption for dry laminating machine
CN201603672U (en) * 2009-09-21 2010-10-13 杨峥雄 Energy-saving intake and exhaust device
CN201645975U (en) * 2010-01-26 2010-11-24 昆山晟力印务包装有限公司 Oven applied to drying part of printer
CN102198337A (en) * 2010-03-22 2011-09-28 杨峥雄 Environment-friendly energy-saving exhaust gas treatment device and method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201603672U (en) * 2009-09-21 2010-10-13 杨峥雄 Energy-saving intake and exhaust device
CN201645975U (en) * 2010-01-26 2010-11-24 昆山晟力印务包装有限公司 Oven applied to drying part of printer
CN101804718A (en) * 2010-02-10 2010-08-18 孙宗长 Device and method for reducing gas discharge value and lowering drying energy consumption for dry laminating machine
CN102198337A (en) * 2010-03-22 2011-09-28 杨峥雄 Environment-friendly energy-saving exhaust gas treatment device and method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103223398A (en) * 2013-04-21 2013-07-31 杨峥雄 Vertical type gluing machine drying box and energy-saving method thereof
CN105710013A (en) * 2014-12-01 2016-06-29 武汉宝钢印铁有限公司 Small drying room with automatic preheating function
CN105202896A (en) * 2015-10-20 2015-12-30 浙江阳阳包装有限公司 Exhaust gas recovery device for solvent-free compound machine
CN105537080A (en) * 2015-11-01 2016-05-04 杨峥雄 Environmental energy-saving intake and exhaust device and method
CN106048924A (en) * 2016-07-11 2016-10-26 马福顺 Pre-coating and bottom-coating combine for modular carpet
CN106827801A (en) * 2017-04-05 2017-06-13 江阴市汇通印刷包装机械有限公司 The energy recovery air supply device and its circulation air feed system of printing machine
CN109490467A (en) * 2017-09-13 2019-03-19 河北银隆新能源有限公司 The prior-warning device and method for early warning of NMP concentration over-standard in lithium titanate battery coating process

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