CN107020798A - A kind of energy-saving printing drying system - Google Patents
A kind of energy-saving printing drying system Download PDFInfo
- Publication number
- CN107020798A CN107020798A CN201710130083.XA CN201710130083A CN107020798A CN 107020798 A CN107020798 A CN 107020798A CN 201710130083 A CN201710130083 A CN 201710130083A CN 107020798 A CN107020798 A CN 107020798A
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- Prior art keywords
- unit
- blower fan
- drying
- energy
- air
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- 238000001035 drying Methods 0.000 title claims abstract description 98
- 238000007639 printing Methods 0.000 title claims abstract description 37
- 238000007789 sealing Methods 0.000 claims description 7
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 5
- 229910052731 fluorine Inorganic materials 0.000 claims description 5
- 239000011737 fluorine Substances 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 238000001704 evaporation Methods 0.000 abstract description 3
- 230000008020 evaporation Effects 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 33
- 238000005265 energy consumption Methods 0.000 description 8
- 239000005416 organic matter Substances 0.000 description 5
- 239000012855 volatile organic compound Substances 0.000 description 5
- 230000004087 circulation Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 239000010815 organic waste Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
- B41F23/044—Drying sheets, e.g. between two printing stations
- B41F23/0463—Drying sheets, e.g. between two printing stations by convection
- B41F23/0466—Drying sheets, e.g. between two printing stations by convection by using heated air
Abstract
The invention belongs to print drying technology field, propose a kind of energy-saving printing drying system, the intake stack and total blower fan being sequentially connected, it is characterized in that several drying units have been arranged side by side on intake stack, drying unit includes the unit air intake vent being sequentially connected, unit blower fan, heat exchanger, drying oven and unit air outlet, unit air intake vent and unit air outlet are connected with intake stack, unit air outlet is also connected by flow control valve with the air intake vent of unit blower fan, unit blower fan, flow control valve, heat exchanger, temperature sensor, drying oven, pressure sensor, total blower fan is connected with controller, the present invention solves evaporation rate of traditional return air technique because reducing liquid, and influence the technology problem of printing quality.
Description
Technical field
The invention belongs to print drying technology field, it is related to a kind of energy-saving printing drying system.
Background technology
It is that dalton evaporates law, evaporation rate and the poor wind speed gas of saturated vapor of liquid to print stoving process general principle
Pass is pressed with, wherein being directly proportional to wind speed and saturated vapor difference, is inversely proportional with air pressure, traditional printing drying plant is dried using return air
Printed matter, but also have a certain amount of volatile organic compounds in return air, reduce that saturated vapor is poor, reduce the evaporation rate of liquid,
So as to influence to print normal production technology.
The content of the invention
The present invention proposes a kind of energy-saving printing drying system, solves above-mentioned technical problem.
The technical proposal of the invention is realized in this way：
A kind of energy-saving printing drying system, including：
The intake stack and total blower fan being sequentially connected, it is characterised in that several bakings have been arranged side by side on the intake stack
Dry unit, the drying unit includes unit air intake vent, unit blower fan, heat exchanger, drying oven and the list being sequentially connected
First air outlet, the unit air intake vent and the unit air outlet are connected with the intake stack, and the unit air outlet is also
It is connected by flow control valve with the air intake vent of the unit blower fan, the unit blower fan, the flow control valve, the heat are handed over
Parallel operation, the temperature sensor, the drying oven, the pressure sensor, total blower fan are connected with controller.
As further technical characteristic, the drying oven also includes wet printing product entrance and xerography product is exported.
As further technical characteristic, Flow-rate adjustment is provided with the unit air intake vent and the unit air outlet
Valve.
As further technical characteristic, the air inlet of total blower fan is provided with LEL detectors.
As further technical characteristic, the air outlet of total blower fan is connected with emission-control equipment.
As further technical characteristic, fluorine glue sealing gasket is provided with the splicing gap of the drying oven.
As further technical characteristic, temperature sensor is respectively arranged with the heat exchanger and the drying oven
And pressure sensor.
Compared with prior art, the present invention has the beneficial effect that：
1st, in the present invention, to make up the defect for also having a certain amount of volatile organic compounds in traditional handicraft return air, using connection in series-parallel
Air feed air-out mode, each drying unit is connected in parallel, and unit air intake vent and unit air outlet in each drying unit
It is connected with intake stack and total fans in series, using the wind supply quantity for suitably increasing each drying unit, improves drying chamber wind speed,
And the pressure of drying oven is suitably reduced, makes to maintain the method for certain vacuum in drying oven to make up return air defect,
Organic matter rate of volatilization is improved, the quality of print product is improved.
2nd, in the present invention, intake stack successively with the unit air intake vent of first drying unit, unit air outlet, next
The unit air intake vent of drying unit, unit air outlet to the last the unit air intake vent of a drying unit, unit air outlet with
And total fans in series, each of which drying unit parallel connection is independently arranged, and each drying unit air outlet passes through Flow-rate adjustment
Valve is connected with the air intake vent of unit blower fan, the used heat air of the unit air outlet of partially desiccated unit is recycled to this drying list again
The gas in member, then after being mixed with part fresh air with certain temperature enters in heat exchanger, and reducing heat exchanger needs
The heat to be provided, reduces the energy consumption of heat exchanger, forms the great circulation system with several lesser circulations, experiment
Although proving to add the wind supply quantity of each drying unit, total air output of total blower fan can be reduced to the six of former air draft total amount
1/1 mono- to ten, printing equipment exhaust air rate is greatly reduced, while gas organic matter in the gas outlet of total blower fan is dense
Degree improves 6-10 times, and the air draft heat of reuse more than 60%, reduces printing equipment operation energy consumption.
3rd, in the present invention, because air draft end can be added at emission-control equipment, different organic waste gas treatment devices
Manage that efficiency is different, typically can qualified discharge organic waste gas treatment device, treatment effeciency is typically in % to %, waste gas treatment equipment
Inlet concentration be more than 3g/m3A certain amount of heat of being had more than needed in self-operating state, organic exhaust gas can be maintained, emission-control equipment can
It is not required to provide thermal source, but inlet concentration is more than 8g/m3, VOCs treatment qualified discharge difficulty also can accordingly increase, simultaneously
Also can be in various degree increase waste gas treatment equipment cost of investment, therefore this printing drying system organic exhaust gas concentration control exist
3g/mg3~8g/m3, reduce the operating cost of emission-control equipment.
4th, in the present invention, using series-parallel air feed air-out mode, contact close between each drying unit, will not produce again
Influence, because the space of a whole page of drying unit printing is different, if using same wind supply quantity, it should provided according to maximum wind supply quantity,
The waste of electricity can be increased first, gas organic concentration in the air outlet of total blower fan, increase exhaust-gas treatment dress secondly can be reduced
The treating capacity put, so as to increase exhaust-gas treatment cost, therefore this printing drying system can according to the space of a whole page size of drying unit and
Solvent load adjustment unit blower fan air feed air quantity, space of a whole page I turns air feed air quantity down, and the space of a whole page then can suitably tune up greatly air quantity, no
With drying unit using connected mode in parallel, individually adjusting a drying unit air quantity will not produce to other drying unit air quantity
Raw influence, reduces the waste of energy, while farthest improving gas organic concentration in the air outlet of total blower fan, subtracts
Lack exhaust-gas treatment treating capacity, it is more cost-effective and energy-saving.
5th, in the present invention, unit blower fan, heat exchanger, temperature sensor, drying oven, pressure sensor, total blower fan, stream
Adjustable valve is connected with controller, when equipment is normally run only need to according to different printing product, adjust temperature, pressure and
The parameter of wind supply quantity, meets the requirement of printing drying, farthest reduces total air output of total blower fan, and improve wherein organic
The concentration of thing, reduces energy consumption.
6th, in the present invention, drying oven also includes wet printing product entrance and xerography product and exported, respectively with printing equipment and
Finished product storage facilities is connected, and flow control valve, flow control valve and control are provided with unit air intake vent and unit air outlet
Device is connected, and the intake and air output of each drying unit can be adjusted as needed.
7th, in the present invention, the drying unit of last drying unit is connected by LEL detectors with total blower fan, LEL inspections
Surveying instrument is used to detecting the concentration of organic matter in gas, and according to its concentration, to the temperature of total system, pressure, wind supply quantity and
Air output is adjusted, and makes the control of machine exhaust gas concentration in 3g/m3~8g/m3。
8th, in the present invention, volatilization of the pressure to organic solvent in drying oven has a great impact, and its internal negative pressure is got over
Greatly, wind supply quantity needed for system and temperature all can be reduced suitably, therefore be provided with fluorine glue sealing gasket at the splicing gap of drying oven,
Good sealing is kept, the energy consumption of equipment can be effectively reduced.
Brief description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is schematic structural view of the invention；
Fig. 2 is that controller of the present invention connects wire schematic diagram；
In figure：1- intake stacks, the total blower fans of 2-, 3- drying units, 31- unit air intake vents, 32- unit blower fans, 33- heat is handed over
Parallel operation, 34- drying ovens, the wet printing product entrances of 341-, the outlet of 342- xerographies product, 35- unit air outlets, 36- Flow-rate adjustments
Valve, 4-LEL detectors, 5- controllers.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As shown in Fig. 1~Fig. 2, the present invention proposes a kind of energy-saving printing drying system, including：
The intake stack 1 and total blower fan 2 being sequentially connected, it is characterised in that several bakings have been arranged side by side on intake stack 1
Dry unit 3, drying unit 3 includes unit air intake vent 31, unit blower fan 32, heat exchanger 33, the drying oven 34 being sequentially connected
And unit air outlet 35, unit air intake vent 31 and unit air outlet 35 be connected with intake stack 1, and unit air outlet 35 also leads to
The air intake vent of excessively stream adjustable valve 36 and unit blower fan 32, unit blower fan 32, flow control valve 36, heat exchanger 33, temperature are passed
Sensor, drying oven 34, pressure sensor, total blower fan 2 are connected with controller 5.
In the present invention, to make up the defect for also having a certain amount of volatile organic compounds in traditional handicraft return air, using series-parallel
Air feed air-out mode, each drying unit 3 is connected in parallel, and unit air intake vent 31 and unit air-out in each drying unit 3
Mouth 35 is connected in series with intake stack 1 and total blower fan 2, using the wind supply quantity for suitably increasing each drying unit 3, improves drying
Room wind speed, and the pressure of drying oven 34 is suitably reduced, make to maintain the method for certain vacuum in dry baking oven 34 to make up
Return air defect, improves the rate of volatilization that has an opportunity, and improves the quality of print product.
In the present invention, intake stack 1 successively with 3 unit air intake vents 31 of first drying unit, unit air outlet 35, under
3 unit air intake vents 31 of one drying unit, unit air outlet 35 to the last 3 unit air intake vents 31 of a drying unit,
Unit air outlet 35 and total blower fan 2 are connected, and the parallel connection of each of which drying unit 3 is independently arranged, and each drying unit 3 is single
First air outlet 35 is connected by flow control regulation valve 36 with the air intake vent of unit blower fan 32, goes out the unit of partially desiccated unit 3
The used heat air in air port 35 is recycled in this drying unit 3 again, then has the gas of certain temperature after being mixed with part fresh air
Body enters in heat exchanger 33, reduces the heat that heat exchanger needs to provide, reduces the energy consumption of heat exchanger, form tool
There is the great circulation system of several lesser circulations, although experiment proves to add the wind supply quantity of each drying unit 3, always
Total air output of blower fan 2 can be reduced to 1st/10th to ten/6th of former air draft total amount, greatly reduce printing equipment air draft
Amount, while gas organic concentration in the gas outlet of total blower fan 2 is improved into 6-10 times, and the air exhaust heat of reuse more than 60%
Amount, reduces printing equipment operation energy consumption.
In the present invention, because air draft end can add emission-control equipment, different organic waste gas treatment device processing
Efficiency is different, typically can qualified discharge organic waste gas treatment device, treatment effeciency is typically 90% to 99%, and exhaust-gas treatment is set
Standby inlet concentration is more than 3g/m3Had more than needed in self-operating state, organic exhaust gas a certain amount of heat, emission-control equipment can be maintained
It can be not required to provide thermal source, but inlet concentration is more than 8g/m3, VOCs treatment qualified discharge difficulty also can accordingly increase, together
When also can be in various degree increase waste gas treatment equipment cost of investment, therefore this printing drying system organic exhaust gas concentration control
In 3g/m3~8g/m3, reduce the operating cost of emission-control equipment.
In the present invention, using series-parallel air feed air-out mode, contact close between each drying unit 3, will not produce again
Influence, because the space of a whole page that drying unit 3 prints is different, if using same wind supply quantity, it should provided according to maximum wind supply quantity,
The waste of electricity can be increased first, gas organic concentration in the gas outlet of total blower fan 2, increase exhaust-gas treatment dress secondly can be reduced
The workload put, so as to increase exhaust-gas treatment cost, therefore this printing drying system can according to the space of a whole page size of drying unit 3 and
The air feed air quantity of solvent load adjustment unit blower fan 32, space of a whole page I turns air feed air quantity down, and the space of a whole page then can suitably tune up greatly air quantity,
Different drying units 3 are using connected mode in parallel, and individually one air quantity of drying unit 3 of adjustment will not be to other drying units 3
Air quantity produces influence, reduces the waste of energy, while farthest improving gas organic matter in the gas outlet of total blower fan 2
Concentration, reduces exhaust-gas treatment amount, more cost-effective and energy-saving.
In the present invention, unit blower fan 32, heat exchanger 33, temperature sensor, drying oven 34, pressure sensor, total wind
Machine 2, flow control valve 36 are connected with controller 5, and only temperature need to be adjusted according to different printing product when equipment is normally run
The parameter of degree, pressure and wind supply quantity, meets the requirement of printing drying, farthest reduces total air output of total blower fan 2, and
The concentration of wherein organic matter is improved, energy consumption is reduced.
Further, drying oven 34 also includes wet printing product entrance 341 and xerography product outlet 342.
In the present invention, drying oven 34 also includes wet printing product entrance 341 and xerography product outlet 342, respectively with printing
Equipment and the connection of finished product storage facilities.
Further, it is provided with flow control valve 36 on unit air intake vent 31 and unit air outlet 35.
In the present invention, flow control valve 36, flow control valve are provided with unit air intake vent 31 and unit air outlet 35
36 are connected with controller 5, and the intake and air output of each drying unit 3 can be controlled as needed.
Further, the air inlet of total blower fan 2 is provided with LEL detectors 4.
In the present invention, the drying unit 3 of last drying unit 3 is connected by LEL detectors 4 with total blower fan 2, LEL
Detector 4 is used for the concentration for detecting organic exhaust gas in gas, and according to its concentration, to the temperature of total system, pressure, air feed
Amount and air output are adjusted, and make the control of machine exhaust gas concentration in 3g/m3~8g/m3。
Further, the air outlet of total blower fan 2 is connected with emission-control equipment.
Further, it is provided with fluorine glue sealing gasket at the splicing gap of drying oven 34.
Further, temperature sensor and pressure sensor are respectively arranged with heat exchanger 33 and drying oven 34.
In the present invention, volatilization of the pressure to organic solvent in drying oven 34 has a great impact, and its internal negative pressure is got over
Greatly, wind supply quantity needed for system and temperature all can be reduced suitably, therefore the sealing of fluorine glue is provided with the splicing gap of drying oven 34
Pad, keeps good sealing, can effectively reduce the energy consumption of equipment.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (7)
1. a kind of energy-saving printing drying system, including the intake stack (1) and total blower fan (2) being sequentially connected, its feature
It is several drying units (3) have been arranged side by side on the intake stack (1),
It is unit air intake vent (31) that the drying unit (3) includes being sequentially connected, unit blower fan (32), heat exchanger (33), dry
Dry baking oven (34) and unit air outlet (35),
The unit air intake vent (31) and the unit air outlet (35) are connected with the intake stack (1),
The unit air outlet (35) is also connected by flow control valve (36) with the air intake vent of the unit blower fan (32),
The unit blower fan (32), the flow control valve (36), the heat exchanger (33), the temperature sensor, it is described
Drying oven (34), the pressure sensor, total blower fan (2) are connected with controller (5).
2. a kind of energy-saving printing drying system according to claim 1, it is characterised in that the drying oven
(34) wet printing product entrance (341) and xerography product outlet (342) are also included.
3. a kind of energy-saving printing drying system according to claim 1, it is characterised in that the unit air intake vent
(31) and on the unit air outlet (35) it is provided with flow control valve (36).
4. a kind of energy-saving printing drying system according to claim 1, it is characterised in that total blower fan (2)
Air inlet be provided with LEL detectors (4).
5. a kind of energy-saving printing drying system according to claim 1, it is characterised in that total blower fan (2)
Air outlet be connected with emission-control equipment.
6. a kind of energy-saving printing drying system according to claim 1, it is characterised in that the drying oven
(34) fluorine glue sealing gasket is provided with splicing gap.
7. a kind of energy-saving printing drying system according to claim 1, it is characterised in that the heat exchanger
(33) temperature sensor and pressure sensor and on the drying oven (34) are respectively arranged with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710130083.XA CN107020798A (en) | 2017-03-07 | 2017-03-07 | A kind of energy-saving printing drying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710130083.XA CN107020798A (en) | 2017-03-07 | 2017-03-07 | A kind of energy-saving printing drying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107020798A true CN107020798A (en) | 2017-08-08 |
Family
ID=59526164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710130083.XA Pending CN107020798A (en) | 2017-03-07 | 2017-03-07 | A kind of energy-saving printing drying system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225003A (en) * | 2018-01-09 | 2018-06-29 | 广东环葆嘉节能科技有限公司 | Energy-saving hot-blast drying system and energy-saving hot-blast drying means |
| CN108240765A (en) * | 2018-01-09 | 2018-07-03 | 广东环葆嘉节能科技有限公司 | Two fans hot air drying system and two fans air drying methods |
| CN108437623A (en) * | 2018-04-27 | 2018-08-24 | 深圳劲嘉集团股份有限公司 | A kind of intaglio press, drying system and its control method |
| CN109094178A (en) * | 2018-08-27 | 2018-12-28 | 青岛成盛林环保设备有限公司 | A kind of intaglio press checking enrichment exhaust system |
| CN109940980A (en) * | 2019-04-09 | 2019-06-28 | 宁波凯耀电器制造有限公司 | Always-fraction energy conservation integrates airflow control devices and its application method |
| CN110722870A (en) * | 2019-11-14 | 2020-01-24 | 广东环葆嘉节能科技有限公司 | Drying circulation device, composite machine and drying method |
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| CN101963439A (en) * | 2010-10-11 | 2011-02-02 | 湖北联合天诚防伪技术有限公司 | Energy-conserving drying device |
| CN105444536A (en) * | 2015-12-18 | 2016-03-30 | 广东环葆嘉节能科技有限公司 | Tandem drying system |
| CN105835525A (en) * | 2016-05-25 | 2016-08-10 | 大连奥特马工业有限公司 | Waste heat recovery and hot air type energy-saving drying control system |
| CN206718711U (en) * | 2017-03-07 | 2017-12-08 | 肖硕 | A kind of energy-saving printing drying system |
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2017
- 2017-03-07 CN CN201710130083.XA patent/CN107020798A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101963439A (en) * | 2010-10-11 | 2011-02-02 | 湖北联合天诚防伪技术有限公司 | Energy-conserving drying device |
| CN105444536A (en) * | 2015-12-18 | 2016-03-30 | 广东环葆嘉节能科技有限公司 | Tandem drying system |
| CN105835525A (en) * | 2016-05-25 | 2016-08-10 | 大连奥特马工业有限公司 | Waste heat recovery and hot air type energy-saving drying control system |
| CN206718711U (en) * | 2017-03-07 | 2017-12-08 | 肖硕 | A kind of energy-saving printing drying system |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225003A (en) * | 2018-01-09 | 2018-06-29 | 广东环葆嘉节能科技有限公司 | Energy-saving hot-blast drying system and energy-saving hot-blast drying means |
| CN108240765A (en) * | 2018-01-09 | 2018-07-03 | 广东环葆嘉节能科技有限公司 | Two fans hot air drying system and two fans air drying methods |
| CN108225003B (en) * | 2018-01-09 | 2023-03-31 | 广东环葆嘉节能科技有限公司 | Energy-saving hot air drying system and energy-saving hot air drying method |
| CN108437623A (en) * | 2018-04-27 | 2018-08-24 | 深圳劲嘉集团股份有限公司 | A kind of intaglio press, drying system and its control method |
| CN109094178A (en) * | 2018-08-27 | 2018-12-28 | 青岛成盛林环保设备有限公司 | A kind of intaglio press checking enrichment exhaust system |
| CN109940980A (en) * | 2019-04-09 | 2019-06-28 | 宁波凯耀电器制造有限公司 | Always-fraction energy conservation integrates airflow control devices and its application method |
| CN110722870A (en) * | 2019-11-14 | 2020-01-24 | 广东环葆嘉节能科技有限公司 | Drying circulation device, composite machine and drying method |
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Application publication date: 20170808 |