CN102514370A - Drying box of printing coating machine and energy saving method - Google Patents
Drying box of printing coating machine and energy saving method Download PDFInfo
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- CN102514370A CN102514370A CN2011104182664A CN201110418266A CN102514370A CN 102514370 A CN102514370 A CN 102514370A CN 2011104182664 A CN2011104182664 A CN 2011104182664A CN 201110418266 A CN201110418266 A CN 201110418266A CN 102514370 A CN102514370 A CN 102514370A
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- tuyere
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- baking oven
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Abstract
The invention provides a drying box of a printing coating machine and an energy saving method. The drying box comprises a pipeline, a secondary wind backflow machine, an exhaust fan, a heat exchanger, a wind nozzle and an exhaust outlet, and is characterized in that wind blows to the material surface from the wind nozzle, a part of backflow wind is discharged through the exhaust outlet, and the other part of the backflow wind is introduced to two sides of the wind nozzle along the arc shape at the side of the exhaust outlet and is combined with wind flowing out of the wind nozzle to be a whole, so as to blow to the material surface again to form a vortex, thus the wind flow on the material surface is increased and the drying effect is improved. The drying box is particularly applied to evaporation drying of organic solvent and water of printers, combined machines, coating machines, painting production lines, iron printing painting lines, colored aluminum coating production lines and the like which utilize air flow to realize drying, can realize the purposes of high efficiency and energy saving, and belongs to the technical field of energy saving.
Description
Technical field
The present invention relates to a kind of printing coating machine drying baker and power-economizing method; Especially be applied to flow on organic solvents such as realizing dry printing machine, compounding machine, coating machine, paint line, tin graphed sheet paint line, color aluminium coating line and the evaporation of water drying with air; Can realize efficient, purpose of energy saving, belong to field of energy-saving technology.
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 the tuyere of baking oven heated-air drying generally blows perpendicular to surface to be dried.Blowing is the directed movement of air molecule, and distinguished and admirable under nature is straight-line, and the wind that tuyere blows perpendicular to surface to be dried is understood vertical resilience after running into material surface; In the opposite direction with the wind that the back blows, cancel each other, cause surface wind speed to be dried to reduce; Pressure increases, and is easy to generate the shake up and down of material surface, and the material surface of shake has limited the distance of tuyere and material surface can not be too near; Otherwise surperficial scratch phenomenon can take place, influence the quality of product.
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, has obtained energy-conservation and quick-drying positive effect.
A kind of coating complex machine drying baker energy saver; Comprise pipeline, secondary return air machine, exhaust blower, heat exchanger, tuyere, exhaust outlet, it is characterized in that: the locations of structures of tuyere, circular blast baffle and exhaust outlet has realized that wind blows to material surface by tuyere, and the wind that resilience is returned is drained a part by exhaust outlet; A part along the exhaust outlet limit circular arc water conservancy diversion to the both sides of tuyere; The wind that flows out with tuyere is integrated, and blows to material surface once more, forms eddy current; Increase the wind flow of material surface, improved drying effect.
There is the tuyere deflector at the wind nozzle outlet place, flows to material surface and little angle of material surface vertical line formation through deflector water conservancy diversion after wind, flows to material surface and little angle of material surface vertical line formation through deflector water conservancy diversion after wind; The wind part that resilience is returned is along the both sides of exhaust outlet 11 circular arc water conservancy diversion to tuyere; The wind that flows out with tuyere is integrated, and blows to material surface once more, forms eddy current one by one; Eddy current can repeated multiple times circulate, and makes drying effect better.Tuyere deflector cross section is isosceles triangle.
The wind that tuyere blows perpendicular to surface to be dried is run into behind the material surface can vertical resilience, in the opposite direction with the wind that the back blows, and cancels each other, and produces the shake up and down of material surface, and the material surface of shake has limited the distance of tuyere and material surface can not be too near.After adopting low-angle water conservancy diversion, the material surface amount of jitter reduces, and tuyere can design from material surface more closely, and the wind speed that arrives material surface like this can improve.Increased the material surface wind speed, thereby the negative pressure of material surface improves also, make the evaporation of dissolving or water faster.
From the position of material surface resilience to be dried and the position of departing from tuyere, back wind resistance reduces like this distinguished and admirable for exhaust outlet design, and the operate power of return fan can lower than the return fan of prior art and the power of exhaust blower, has saved the energy consumption of complete machine.
Circulated air deflector 10 is the circular arc structures in the middle of tuyere and the exhaust outlet; Exhaust outlet 11 is than exceeding certain distance in the middle of the circulated air deflector 10, the length between circulated air deflector 10 and tuyere and the exhaust outlet determines by the wind direction of tuyere and material surface to be dried distance, tuyere and with the angle of material surface vertical line.Tuyere and material surface to be dried distance are bigger, the wind direction of tuyere and big more with the angle of material surface vertical line, and the length between circulated air deflector 10 and tuyere and the exhaust outlet must be long more, could form bigger eddy current.
The printing coating machine that connects together for many drying bakers; In the running; Make the negative pressure value of the negative pressure value of complete machine leading portion baking oven greater than the 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 11 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 printing coating machine that connects together for many drying bakers; The present invention is also 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), and it is little that material advances a little bigger influence of baking oven place concentration; Be withdrawn into heat exchanger 7 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.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 is the general structure sketch map of printing coating machine drying baker, and Fig. 2 is the partial enlarged drawing of tuyere and tuyere deflector, and Fig. 3 is the partial enlarged drawing of the tuyere of embodiment 1.
Among the figure, 1 is cutting-off valve, and 2 is safety-valve, and 3 is the secondary return air machine; 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; 8 is exhaust blower, and 9 is the tuyere deflector, and 10 is the circulated air deflector, and 11 is exhaust outlet.
The specific embodiment
The printing coating machine that connects together for many drying bakers; The present invention is also 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 extracted into heat exchanger 7 to the back baking oven tail gas of releasing through secondary return air machine 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.The tail gas that baking oven is released is withdrawn into heat exchanger 7 through secondary return air machine 3 and controls the temperature baking oven 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.
The printing coating machine that connects together for many drying bakers; 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 the segment interface place before and after the oven interior; 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 send into baking oven after the control 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 1, as shown in Figure 3, be the most frequently used way of prior art; Tuyere is perpendicular to the wind that surface to be dried blows, and runs into behind the material surface to the both sides diffusion, and exhaust outlet 11 is taken out portion of air; Along the both sides of exhaust outlet 11 circular arc water conservancy diversion to tuyere, the wind that flows out with tuyere is integrated, and blows to material surface once more another part wind; Form eddy current one by one, eddy current can repeated multiple times circulate, and makes drying effect better.The wind that tuyere blows perpendicular to surface to be dried can vertical resilience, and is in the opposite direction with the wind that the back blows, and cancels each other, and produces the shake up and down of material surface, and the material surface of shake has limited the distance of tuyere and material surface can not be too near.From the position of material surface resilience to be dried and the position of departing from tuyere, back wind resistance reduces like this distinguished and admirable for exhaust outlet design, and the operate power of return fan can lower than the return fan of prior art and the power of exhaust blower, has saved the energy consumption of complete machine.
After adopting low-angle water conservancy diversion, the material surface amount of jitter reduces, and tuyere can design from material surface more closely, and the wind speed that arrives material surface like this can improve.Increased the material surface wind speed, thereby the negative pressure of material surface improves also, make the evaporation of dissolving or water faster.Therefore embodiment 2 can be than embodiment 1 better effects if.
From the position of material surface resilience to be dried and the position of departing from tuyere, back wind resistance reduces like this distinguished and admirable in exhaust outlet 11 design, and the operate power of return fan can lower than the return fan of prior art and the power of exhaust blower, has saved the energy consumption of complete machine.
Circulated air deflector 10 is the circular arc structures in the middle of tuyere and the exhaust outlet 11; Exhaust outlet 11 is than exceeding certain distance in the middle of the circulated air deflector 10, the length between circulated air deflector 10 and tuyere and the exhaust outlet determines by the wind direction of tuyere and material surface to be dried distance, tuyere and with the angle of material surface vertical line.Tuyere and material surface to be dried distance are bigger, the wind direction of tuyere and big more with the angle of material surface vertical line, and the length between circulated air deflector 10 and tuyere and the exhaust outlet must be long more, could form bigger eddy current.
Claims (10)
1. printing coating machine drying baker; Comprise pipeline, secondary return air machine, exhaust blower, heat exchanger, tuyere, exhaust outlet, it is characterized in that: the locations of structures of tuyere, circular blast baffle and exhaust outlet has realized that wind blows to material surface by tuyere, and the wind that resilience is returned is drained a part by exhaust outlet; A part along the exhaust outlet limit circular arc water conservancy diversion to the both sides of tuyere; The wind that flows out with tuyere is integrated, and blows to material surface once more, forms eddy current.
2. according to the said a kind of printing coating machine drying baker of claim 1, it is characterized in that: exhaust outlet distinguished and admirable from the position of material surface resilience to be dried and the position of departing from tuyere.
3. according to the said a kind of printing coating machine drying baker of claim 1, it is characterized in that: the circulated air deflector is the circular arc structure in the middle of tuyere and the exhaust outlet.
4. according to the said a kind of printing coating machine drying baker of claim 1, it is characterized in that: exhaust outlet is middle higher than circulated air deflector.
5. according to the said a kind of printing coating machine drying baker of claim 1, it is characterized in that: the length between circulated air deflector and tuyere and the exhaust outlet by the wind direction of tuyere and material surface to be dried distance, tuyere with the angle decision of material surface vertical line.
6. according to the said a kind of printing coating machine drying baker of claim 1, it is characterized in that: tuyere deflector cross section is isosceles triangle.
7. according to the said a kind of power-economizing method that prints the coating machine drying baker of claim 1; It is characterized in that: wind blows to material surface by tuyere; The wind that resilience is returned is drained a part by exhaust outlet, and the circular arc water conservancy diversion is to the both sides of tuyere along the exhaust outlet limit for a part, and the wind that flows out with tuyere is integrated; Blow to material surface once more, form eddy current.
8. according to the said a kind of power-economizing method that prints the coating machine drying baker of claim 7; It is characterized in that: exhaust outlet design distinguished and admirable from the position of material surface resilience to be dried and the position of departing from tuyere; The circulated air deflector is the circular arc structure in the middle of tuyere and the exhaust outlet, and the length between circulated air deflector and tuyere and the exhaust outlet determines by the wind direction of tuyere and material surface to be dried distance, tuyere and with the angle of material surface vertical line.
9. according to the said a kind of power-economizing method that prints the coating 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.
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: 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104182664A CN102514370A (en) | 2011-12-08 | 2011-12-08 | Drying box of printing coating machine and energy saving method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104182664A CN102514370A (en) | 2011-12-08 | 2011-12-08 | Drying box of printing coating machine and energy saving method |
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| CN102514370A true CN102514370A (en) | 2012-06-27 |
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| CN2011104182664A Pending CN102514370A (en) | 2011-12-08 | 2011-12-08 | Drying box of printing coating machine and energy saving method |
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Cited By (10)
| 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 |
| CN103568537A (en) * | 2013-10-10 | 2014-02-12 | 安徽华印机电股份有限公司 | Heat cyclic utilization system for drying box of printing machine |
| CN104309294A (en) * | 2014-11-07 | 2015-01-28 | 合肥大安印刷有限责任公司 | Quick drying mechanism |
| CN104999789A (en) * | 2015-08-11 | 2015-10-28 | 杨峥雄 | Efficient drying box for printing and coating machine |
| CN105522821A (en) * | 2015-12-17 | 2016-04-27 | 李秋芬 | Two-stage backflow drying type high-speed printing device |
| 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 |
| CN106352660A (en) * | 2016-08-19 | 2017-01-25 | 海宁兄弟家具有限公司 | Drying process for multifunctional fabric |
| CN107199163A (en) * | 2017-06-30 | 2017-09-26 | 江阴华美光电科技有限公司 | A kind of oven structure for reducing film surface influence |
| CN107938232A (en) * | 2017-10-26 | 2018-04-20 | 浙江理工大学 | A kind of tentering drying oven of heat setting machine structure |
| CN108340688A (en) * | 2018-02-08 | 2018-07-31 | 佛山赢联数码印刷设备有限公司 | The drying mechanism of carton digital printer |
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Cited By (10)
| 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 |
| CN103568537A (en) * | 2013-10-10 | 2014-02-12 | 安徽华印机电股份有限公司 | Heat cyclic utilization system for drying box of printing machine |
| CN104309294A (en) * | 2014-11-07 | 2015-01-28 | 合肥大安印刷有限责任公司 | Quick drying mechanism |
| 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 |
| CN104999789A (en) * | 2015-08-11 | 2015-10-28 | 杨峥雄 | Efficient drying box for printing and coating machine |
| CN105522821A (en) * | 2015-12-17 | 2016-04-27 | 李秋芬 | Two-stage backflow drying type high-speed printing device |
| CN106352660A (en) * | 2016-08-19 | 2017-01-25 | 海宁兄弟家具有限公司 | Drying process for multifunctional fabric |
| CN107199163A (en) * | 2017-06-30 | 2017-09-26 | 江阴华美光电科技有限公司 | A kind of oven structure for reducing film surface influence |
| CN107938232A (en) * | 2017-10-26 | 2018-04-20 | 浙江理工大学 | A kind of tentering drying oven of heat setting machine structure |
| CN108340688A (en) * | 2018-02-08 | 2018-07-31 | 佛山赢联数码印刷设备有限公司 | The drying mechanism of carton digital printer |
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Application publication date: 20120627 |