CN104960336B - Film printing temperature air quantity definite value numerical control and energy saving drying device - Google Patents
Film printing temperature air quantity definite value numerical control and energy saving drying device Download PDFInfo
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Abstract
A kind of film printing temperature air quantity definite value numerical control and energy saving drying device.Existing drying device high energy consumption is mainly solved, drying cost is high, the low problem of automaticity.It is characterized in that：Blower fan is connected with air intake passage (6), second level evaporator (5), condenser (2), electric heater, first evaporator (4) is connected on air-out passage in housing (7), compressor (1) is exported and condenser (2), first evaporator (4), second level evaporator (5) is mutually contacted, second level evaporator (5) outlet is connected with compressor (1) import, be connected with controller heat supply temperature detection means and heat supply Wind volume detector are provided with air intake passage (6), exhaust outlet is provided with the exhaust outlet temperature-detecting device that is connected with controller on (8).The film printing temperature air quantity definite value numerical control and energy saving drying device has energy consumption low, and drying cost is low, the characteristics of high degree of automation.
Description
Technical field
The present invention relates to a kind of drying equipment, especially film printing temperature air quantity definite value numerical control and energy saving drying device.
Background technology
In film printing field, need to use drying device flash baking after film printing ink, drying device uses wind
The ink that machine enters on drying in oven film surface the hot blow that electric heater is produced.And existing drying device is deposited due to reasons in structure
In high energy consumption, drying cost is high, the low problem of automaticity, influences film printing processing cost.
The content of the invention
In order to solve existing drying device high energy consumption, drying cost is high, the low problem of automaticity.The present invention provides one
Plant film printing temperature air quantity definite value numerical control and energy saving drying device.The film printing is dried with temperature air quantity definite value numerical control and energy saving
Device has energy consumption low, and drying cost is low, the characteristics of high degree of automation.
The technical scheme is that：The film printing includes compression with temperature air quantity definite value numerical control and energy saving drying device
Machine, condenser, expansion valve, first evaporator and second level evaporator.Air-inlet cavity and air-out chamber, film print are separated with housing
Pressure difference feedback detection means is connected with brush machine baking oven, there is air intake passage on air-inlet cavity, there is air-out passage in air-out chamber, air intake leads to
Road and air-out chamber are connected with the inlet and outlet of film press baking oven, there is air door and air-introduced machine, air intake in air-out passage
Shutter, blower fan, second level evaporator, condenser, electric heater are connected with passage, first evaporator is connected to air-out chamber
Interior, compressor is fixed in housing, and compressor outlet is through going out stop valve, condenser, expansion valve, first evaporator, the second level
Evaporator, enter stop valve and be connected with compressor inlet, the pipeline gone out under stop valve passes through pipeline and high-pressure solenoid valve and liquid storage
Tank is in parallel, and high-voltage switch gear is parallel between high-pressure solenoid valve and the pipeline gone out under stop valve, and the pipeline entered under stop valve passes through
Pipeline and low-voltage solenoid valve are in parallel with fluid reservoir, and being parallel with low pressure between low-voltage solenoid valve and the pipeline entered under stop valve opens
Close, air intake passage is provided with heat supply temperature detection means and hot wind supply amount detection device with the import junction of film press baking oven
Put, exhaust outlet temperature-detecting device, Pressure difference feedback detection means, heat supply temperature detection means, heat supply are provided with air-out passage
Wind volume detector and exhaust outlet temperature-detecting device and electric heater are connected with controller, and electric electrical heating is connected with controller
Device power regulating eqiupment, fan frequency converter, enter air draft adjuster, compressor switch, high-low pressure electromagnetic valve switch, electric electric heater limit temperature and open
Pass, air-introduced machine switch, temperature acquisition transmitter, air quantity gather transmitter, enter air draft pressure differential detection transmitter, electric heater limit temperature
Switch be connected with electric heater, fan frequency converter is connected with the blower fan in air intake passage, enter air draft adjuster respectively with enter
The air draft air door in inlet air door, air-out passage in wind passage is connected, and compressor switch is connected with compressor, high-low pressure
Electromagnetic valve switch is connected with high-pressure solenoid valve, low-voltage solenoid valve respectively, and air-introduced machine switch is connected with air-introduced machine, temperature acquisition
Transmitter is connected with the temperature-detecting device in heat donor passage, the temperature-detecting device in air exhaust passage respectively, air quantity collection
Transmitter is connected with the Wind volume detector in heat donor passage, enters air draft pressure differential detection transmitter and Pressure difference feedback detection means
It is connected.
The present invention has the advantages that：The film printing temperature air quantity definite value numerical control and energy saving drying device is due to adopting
Air-inlet cavity and air-out chamber are separated with housing, Pressure difference feedback detection means is connected with film press baking oven, had on air-inlet cavity
Air intake passage, there is air-out passage in air-out chamber, air intake passage and air-out chamber are connected with the inlet and outlet of film press baking oven
It is logical, there are air door and air-introduced machine in air-out passage, shutter, blower fan, second level evaporator, condensation are connected with air intake passage
Device, electric heater, first evaporator are connected in air-out chamber, and compressor is fixed in housing, and compressor outlet is through going out cut-off
Valve, condenser, expansion valve, first evaporator, second level evaporator, enter stop valve and be connected with compressor inlet, go out cut-off
Be in parallel with fluid reservoir by pipeline and high-pressure solenoid valve on pipeline under valve, high-pressure solenoid valve and the pipeline gone out under stop valve it
Between be parallel with high-voltage switch gear, be in parallel with fluid reservoir by pipeline and low-voltage solenoid valve on the pipeline entered under stop valve, low tension
The import junction of low tension switch, air intake passage and film press baking oven is parallel between magnet valve and the pipeline entered under stop valve
Heat supply temperature detection means and heat supply Wind volume detector are provided with, exhaust outlet temperature-detecting device are provided with air-out passage,
Pressure difference feedback detection means, heat supply temperature detection means, heat supply Wind volume detector and exhaust outlet temperature-detecting device and electricity add
Hot device is connected with controller, electric heater power regulating eqiupment, fan frequency converter is connected with controller, enters air draft adjuster, compressor
Switch, high-low pressure electromagnetic valve switch, electric electric heater temperature limit switch, air-introduced machine switch, the collection of temperature acquisition transmitter, air quantity become
Send device, enter air draft pressure differential detection transmitter, electric heater temperature limit switch is connected with electric heater, fan frequency converter leads to air intake
Blower fan in road is connected, enter air draft adjuster respectively with air intake passage in inlet air door, the air draft air door in air-out passage
Be connected, compressor switch is connected with compressor, high-low pressure electromagnetic valve switch respectively with high-pressure solenoid valve, low-voltage solenoid valve phase
Connection, air-introduced machine switch be connected with air-introduced machine, temperature acquisition transmitter respectively with heat donor passage in temperature-detecting device, arrange
Temperature-detecting device in wind passage is connected, and air quantity collection transmitter is connected with the Wind volume detector in heat donor passage,
Enter the optimization structure that air draft pressure differential detection transmitter is connected with Pressure difference feedback detection means.Using inverse Carnot's principle basis
On, in order to increase the temperature range of waste heat recovery and improve waste gas residual heat organic efficiency, and use double effect evaporator series design.
Electric heater be used for device power-up preheat and running in heat energy loss compensation heating, then using first evaporator,
Second level evaporator, compressor, condenser, the waste gas residual heat of expansion valve composition reclaim heat exchange temperature-increasing system, are dried as printing machine
The main supplying heat source of case.By the device component devices air intake/outtake system such as inlet air door, blower fan, air draft air door, air-introduced machine, with heat supply
System is the constant hot blast that preset temperature and air quantity are provided in press oven, and film surface is printed on for rapid draing
Ink.In the presence of air-introduced machine, the opening angle and Feng Ji Give air forces of appropriate regulation inlet air door and air draft air door can
Make to produce definite value negative pressure in baking oven, it is ensured that printed matter curing ink is dried the volatilization waste gas discharge for producing, it is to avoid dry-heat air is worn
Film printing conduction gap more in baking oven, is blown into the ink volatilization gas proportion aggravated in workshop air in machine room,
The film printing conduction gap that dry-heat air is passed through in baking oven is also avoided simultaneously, printing machine disc is blowed to, and causes ink peeling, shadow
Ring printing quality.Using the heat pump of inverse Carnot's principle, first evaporator absorbs heat, and passage is discharged into the waste heat two in waste gas
Secondary utilization, by the outlet discharge secondary utilization of hot blast of film press baking oven, and then reducing energy consumption, by existing 30 kilowatts or so reductions
To 4 kilowatts or so, drying cost is reduced.Meanwhile, temperature and air quantity are controlled using controller, make temperature and air quantity constant, thus
Improve automaticity.The present apparatus series connection second level evaporator Main Function, be on the one hand with outdoor air intake come reduce into
Enter the temperature of medium in compressor, improve recuperation of heat temperature range；On the other hand effect is the heat energy that fully release is reclaimed, and is reduced
Humidity in outdoor air intake, hydrofuge profit is dry.Thus the film printing temperature air quantity definite value numerical control and energy saving drying device has
Energy consumption is low, and drying cost is low, the characteristics of high degree of automation.
Brief description of the drawings
Accompanying drawing 1 is schematic structural view of the invention.
1- compressors in figure, 2- condensers, 3- expansion valves, 4- first evaporators, 5- second level evaporator, 6- air intakes lead to
Road, 7- air-out passages, 8- Pressure difference feedback detection means, 9- low-voltage solenoid valves, 10- fluid reservoirs, 11- low tension switches, 12- high-tension electricities
Magnet valve, 13- high-voltage switch gears.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings：
As shown in accompanying drawing, the film printing includes compressor 1, condenser with temperature air quantity definite value numerical control and energy saving drying device
2nd, expansion valve 3, first evaporator 4 and second level evaporator 5.Air-inlet cavity and air-out chamber, film press are separated with housing
Pressure difference feedback detection means 8 is connected with baking oven, there is air intake passage 6 on air-inlet cavity, there is air-out passage 7 in air-out chamber, air intake leads to
Road 6 and air-out chamber are connected with the inlet and outlet of film press baking oven, have air door and air-introduced machine in air-out passage 7, by
Air-inlet cavity and air-out chamber form air circulation system, and fresh air is through the blower fan in air intake passage 6, condenser 2, auxiliary electrical heater
Device heating enters baking oven, the solvent flashing of film surface ink is taken away in an oven, then evaporate by the first order in air-out chamber
Device 4 is lowered the temperature, and becomes the ambient temperature exhaust gas with solvent flashing by the air draft air door and air-introduced machine in air-out passage 7 by waste gas from air draft
Mouth discharge.
Shutter, blower fan, second level evaporator 5, condenser 2, electric heater are connected with air intake passage 6, the first order is steamed
Hair device 4 is connected to the film press baking oven exit in air-out chamber, and electric heater plays auxiliary or compensation heat effect, compressor
1 is fixed in housing, and compressor 1 is exported and evaporated through going out stop valve, condenser 2, expansion valve 3, the first evaporator 4, second level
Device 5, enter stop valve and be connected with the import of compressor 1, the pipeline gone out under stop valve passes through pipeline and high-pressure solenoid valve 12 and liquid storage
Tank 10 is in parallel, and high-voltage switch gear 13 is parallel between high-pressure solenoid valve 12 and the pipeline gone out under stop valve, the pipe entered under stop valve
Road is in parallel by pipeline and low-voltage solenoid valve 9 with fluid reservoir 10, in parallel between low-voltage solenoid valve 9 and the pipeline entered under stop valve
Have low tension switch 11, by compressor 1, go out stop valve, condenser 2, expansion valve 3, first evaporator 4, second level evaporator 5,
Enter stop valve, low-voltage solenoid valve 9, low tension switch 11, high-pressure solenoid valve 12, high-voltage switch gear 13 and form coolant circulating system and protection
System.Using inverse Kano operation principle, using double effect evaporator particular design, by controller automatic control system, regulation electricity
Heater and the automatic of compressor 1 and stopping.During compressor operating, condensation is injected after refrigerant supercharging in compressor 1 is heated up
Device 2, the gaseous state high temperature refrigerant in condenser 2 is by the air-flow heating in air-inlet cavity, while releasing heat cooling condensation, expanded valve
Enter first evaporator 4 after 3 reducing pressure by regulating flow, refrigerant absorbs the high-temp waste gas with solvent flashing in first evaporator 4
In heat be transported in second level evaporator 5, before second level evaporator 5 is arranged on air-inlet cavity between blower fan and condenser 2
End, on the one hand the effect of second level evaporator 5 is that release dehumidifies higher than the part of waste heat of EAT to air intake；Another aspect
Effect is to effectively reduce the temperature for being conveyed to the refrigerant of compressor 1, the degree of heat for reducing compressor 1, increase waste heat recovery
Temperature range, the remaining temperature refrigerant suction that compressor 1 exports second level evaporator 5, goes round and begins again, closed circulation.Printing is dry
1 67 DEG C of energy recovery of exhaust discharge of dry machine, for the new air intake of heating drier, reach maximum energy-saving effect.The energy-conservation
Compared with traditional printing drying machine, amount of energy saving is up to more than 80% for link.By low-voltage solenoid valve 9, low tension switch 11, high-voltage electromagnetic
Valve 12, the composition hydraulic protecting branch road of high-voltage switch gear 13, protection coolant circulating system normally run.Air intake passage 6 and film printing
The import junction of machine baking oven is provided with heat supply temperature detection means and heat supply Wind volume detector, is provided with air-out passage 7
Exhaust outlet temperature-detecting device, Pressure difference feedback detection means 8, heat supply temperature detection means, heat supply Wind volume detector and air draft
Mouth temperature-detecting device and electric heater are connected with controller.
Electric heater power regulating eqiupment, fan frequency converter are connected with controller, enter air draft adjuster, compressor switch, height
Pressure electromagnetic valve switch, electric heater temperature limit switch, air-introduced machine switch, temperature acquisition transmitter, air quantity gather transmitter, enter air draft
Pressure differential detection transmitter.Controlled by controller digital intelligent.Electric heater power regulating eqiupment and electric heater temperature limit switch add with electricity
Hot device is connected；Fan frequency converter is connected with the blower fan in air intake passage；Enter air draft adjuster respectively with air intake passage in
Air draft air door in inlet air door, air exhaust passage is connected；Compressor switch is connected with compressor 1；Height pressure electromagnetic valve is opened
Pass is connected with high-pressure solenoid valve 12, low-voltage solenoid valve 9 respectively；Air-introduced machine switch is connected with air-introduced machine；Temperature acquisition pick-up
Device is connected with the temperature-detecting device in heat donor passage, the temperature-detecting device in air exhaust passage respectively；Air quantity gathers pick-up
Device is connected with the Wind volume detector in heat donor passage；Enter air draft pressure differential detection transmitter with the phase of Pressure difference feedback detection means 8
Connection.It is real using heat supply temperature detection means, heat supply Wind volume detector, exhaust outlet temperature-detecting device and differential pressure pickup
When gather and automatically control intake air temperature, delivery temperature, oven temperature, intake volume, baking oven negative pressure numerical value.The film printing is used
Condenser 2 in temperature air quantity definite value numerical control and energy saving drying device has no substantial differences in itself with the device of evaporator, is used in
Just referred to as evaporator before expansion valve 3, including first evaporator 4 and second level evaporator 5, behind expansion valve 3
Condenser 2 is known as, the film printing second level especially set in temperature air quantity definite value numerical control and energy saving drying device is evaporated
Device 5, mainly discharges heat and is used to hydrofuge, rather than for absorbing heat.
The effect of expansion valve 3：Expansion valve 3 makes the liquid refrigerant in pipeline by its wet steaming as low-temp low-pressure that throttles
Vapour, the heat energy of waste heat reaches waste heat recovering energy conserving effect during then refrigerant absorbs in first evaporator 4 and discharges waste gas.
High-voltage switch gear 13, low tension switch 11, high-pressure solenoid valve 12, low-voltage solenoid valve 9 and fluid reservoir 10 are acted on：Height is pressed off
Close 13, low tension switch 11, high-pressure solenoid valve 12, low-voltage solenoid valve 9 be prevent the pressure at expulsion of compressor 1 too high in heat pump with
The protection element that pressure of inspiration(Pi) is too low and installs additional.When the pressure at expulsion of compressor 1 exceedes setting value, high-voltage switch gear protection, high pressure
Magnetic valve 12 is opened, and the refrigerant in system is entered in fluid reservoir 10.When the pressure of inspiration(Pi) of compressor 1 is too low, especially less than
During atmospheric pressure, the fuel delivery of grease pump can be influenceed, influence the service life of compressor 1, at this moment low tension switch 11 is acted, and is passed through
Low-voltage solenoid valve 9 is opened, from fluid reservoir 10 to coolant adding in system, it is ensured that the stabilization of low pressure.Go out stop valve and enter stop valve
It is normally open when equipment works, the manual-lock only when compressor is changed prevents refrigerating fluid from leaking.
The effect of Pressure difference feedback detection means 8：The air pressure outside oven interior and baking oven is measured with difference gauge, by the pressure difference
Electric signal feeds back to controller, by controller by the numerical value for pre-entering setting, accordingly automatically adjusts air draft air door, inlet air door
Opening angle and Feng Ji Give air forces, it is ensured that steady state value negative pressure is produced in baking oven.
When actually used：
First, film printing temperature air quantity definite value numerical control and energy saving drying device passes through airstrainer by fresh air
Sucked by blower fan, be then passed to heater, first evaporator 4 and second level evaporator 5 and heat, by the high-temperature hot-air after heating
Feeding press oven is dried to the ink for being printed on film surface, and high temperature air is oily by film surface in press oven
The organic solvent that ink is volatilized is taken away to form waste gas, so as to complete drying process.Waste gas with organic solvent is by heat exchange
Device first evaporator 4 absorbs heat energy, and the heat moment in waste gas is reclaimed, and becomes low temperature waste gas, forms final air draft, first
The heat that level evaporator 4 reclaims the moment from waste gas discharges partial heat for air intake hydrofuge by second level evaporator 5, then
The compression of compressor 1 is passed back by cooling medium to heat, then the cooling medium of high temperature is sent in condenser 2 and gives air intake heating.
The film printing temperature air quantity definite value numerical control and energy saving drying device is constant temperature, the permanent wind of offer efficient stable
Amount waste heat recovering energy conserving system.Mainly carried out using inverse Carnot cycle principle and SCM Based digital intelligent control principle
Work, heat exchange form uses reverse exchanging form, makes the waste gas residual heat rate of recovery maximum, and energy consumption is minimum.The film printing temperature
Degree design of the air quantity definite value numerical control and energy saving drying device from electricity saving and energy saving angle, using inverse Kano operation principle, to waste heat recovery
Recycling afterwards, this effective driers is applied in the ink setting link of film printing product, compressor 1 and heater
Collaboration drying, when baking oven heat supply temperature is set to 70 DEG C, start stable operation post-heater be almost stopped, only rely on by
The heat that first evaporator is reclaimed can just maintain normally to dry work, energy-conservation effect substantially through compressor work operation temperature raising
Fruit is clearly.
The film printing is heated with temperature air quantity definite value numerical control and energy saving drying device with existing electrical heating and other thermals source
Printing drying equipment contrast, because present apparatus automatic controlling level is high, and by waste gas waste heat recovery recycle, system consumption
Electricity is less, only 15% one the 20% of common electrical heating type drying equipment at present, can significantly electricity saving and energy saving, therefore can be greatly lowered
The print production cost of film printing product.Also because using electrical heating type clean energy resource, without having to worry about the heating of for example coal furnace steam
Hazard and atmosphere pollution that formula, combustion gas or oil-furnace heating formula thermal source bring, and it is fixed with temperature air quantity in the film printing
In value numerical control and energy saving drying device, because it is without using other heating equipment facility such as boiler rooms etc., so that its device can be with
It is installed in the casing of little space.
The film printing is applied to coating machine, compounding machine, printing machine etc. with temperature air quantity definite value numerical control and energy saving drying device
The ink setting of the film printing product such as PE, OPP, while be also applied for paper, tobacco, grain, the field such as fruit and vegetable dryness.
Claims (1)
1. a kind of film printing temperature air quantity definite value numerical control and energy saving drying device, including compressor (1), condenser (2), expansion
Valve (3), first evaporator (4) and second level evaporator (5), it is characterised in that：Air-inlet cavity and air-out chamber are separated with housing,
Pressure difference feedback detection means (8) is connected with film press baking oven, there is air intake passage (6) in air-inlet cavity, have in air-out chamber
Wind passage (7), air intake passage (6) and air-out chamber are connected with the inlet and outlet of film press baking oven, in air-out passage (7)
Have and shutter, blower fan, second level evaporator (5), condenser (2), electricity are connected with air door and air-introduced machine, air intake passage (6)
Heater, first evaporator (4) is connected in air-out chamber, and compressor (1) is fixed in housing, and compressor (1) is exported through going out
Stop valve, condenser (2), expansion valve (3), first evaporator (4), second level evaporator (5), enter stop valve and compressor
(1) import is connected, and the pipeline gone out under stop valve is in parallel by pipeline and high-pressure solenoid valve (12) with fluid reservoir (10), high pressure
Be parallel with high-voltage switch gear (13) between magnetic valve (12) and the pipeline gone out under stop valve, the pipeline entered under stop valve by pipeline and
Low-voltage solenoid valve (9) is in parallel with fluid reservoir (10), and low pressure is parallel between low-voltage solenoid valve (9) and the pipeline entered under stop valve
Switch (11), air intake passage (6) is provided with heat supply temperature detection means and heat supply with the import junction of film press baking oven
Wind volume detector, is provided with exhaust outlet temperature-detecting device, Pressure difference feedback detection means (8), heat supply temperature on air-out passage (7)
Degree detection means, heat supply Wind volume detector, exhaust outlet temperature-detecting device and electric heater are connected with controller, on controller
Be connected with electric heater power regulating eqiupment, fan frequency converter, enter air draft adjuster, compressor switch, high-low pressure electromagnetic valve switch, electricity plus
Hot device temperature limit switch, air-introduced machine switch, temperature acquisition transmitter, air quantity gather transmitter, enter air draft pressure differential detection transmitter, electricity
Heater temperature limit switch is connected with electric heater, and fan frequency converter is connected with the blower fan in air intake passage, enters air draft regulation
Device is connected with the inlet air door in air intake passage, the air draft air door in air-out passage (7) respectively, compressor switch and compressor
(1) it is connected, high-low pressure electromagnetic valve switch is connected with high-pressure solenoid valve (12), low-voltage solenoid valve (9) respectively, air-introduced machine switch
Be connected with air-introduced machine, temperature acquisition transmitter respectively with heat donor passage in temperature-detecting device, the temperature in air exhaust passage
Detection means is connected, and air quantity collection transmitter is connected with the Wind volume detector in heat donor passage, enters air draft pressure differential detection
Transmitter is connected with Pressure difference feedback detection means (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510350072.3A CN104960336B (en) | 2015-06-24 | 2015-06-24 | Film printing temperature air quantity definite value numerical control and energy saving drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510350072.3A CN104960336B (en) | 2015-06-24 | 2015-06-24 | Film printing temperature air quantity definite value numerical control and energy saving drying device |
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| CN104960336A CN104960336A (en) | 2015-10-07 |
| CN104960336B true CN104960336B (en) | 2017-05-31 |
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| CN106827801B (en) * | 2017-04-05 | 2023-06-23 | 江阴市汇通印刷包装机械有限公司 | Heat energy recovery air supply device of printing machine and circulating air supply system thereof |
| CN108263090B (en) * | 2018-01-19 | 2020-04-17 | 张芝宇 | Low-temperature UV curing machine and method for preventing ultraviolet from leaking |
| CN110171187A (en) * | 2019-06-22 | 2019-08-27 | 黎庆德 | A kind of plastic-film printer |
| CN110181940A (en) * | 2019-07-08 | 2019-08-30 | 安徽省阜阳市国泰彩印包装有限公司 | A kind of printing energy saving baking heat pump group |
| US11701907B2 (en) | 2019-07-29 | 2023-07-18 | Hewlett-Packard Development Company, L.P. | Pressure diffrentials at printers |
| CN112706532A (en) * | 2020-12-29 | 2021-04-27 | 东莞市正新包装制品有限公司 | Water-based ink printing method of shrink film and shrink film |
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| FR2640197A1 (en) * | 1988-12-12 | 1990-06-15 | Polygraph Leipzig | DEVICE FOR CONTROLLING DRYERS PLACED ON PRINTING MACHINES |
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| CN104960336A (en) | 2015-10-07 |
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