CN106903991A - A kind of multicolour press air circulation system - Google Patents
A kind of multicolour press air circulation system Download PDFInfo
- Publication number
- CN106903991A CN106903991A CN201710193829.1A CN201710193829A CN106903991A CN 106903991 A CN106903991 A CN 106903991A CN 201710193829 A CN201710193829 A CN 201710193829A CN 106903991 A CN106903991 A CN 106903991A
- Authority
- CN
- China
- Prior art keywords
- print couple
- outlet
- blower fan
- major cycle
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000012855 volatile organic compound Substances 0.000 claims abstract description 110
- 238000007639 printing Methods 0.000 claims abstract description 67
- 230000008676 import Effects 0.000 claims abstract description 26
- 230000001105 regulatory effect Effects 0.000 claims description 27
- 238000001035 drying Methods 0.000 claims description 21
- 239000013589 supplement Substances 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims description 2
- PLXMOAALOJOTIY-FPTXNFDTSA-N Aesculin Natural products OC[C@@H]1[C@@H](O)[C@H](O)[C@@H](O)[C@H](O)[C@H]1Oc2cc3C=CC(=O)Oc3cc2O PLXMOAALOJOTIY-FPTXNFDTSA-N 0.000 abstract description 30
- 239000002912 waste gas Substances 0.000 abstract description 27
- 239000007789 gas Substances 0.000 abstract description 18
- 239000000463 material Substances 0.000 description 10
- 230000003647 oxidation Effects 0.000 description 10
- 238000007254 oxidation reaction Methods 0.000 description 10
- 238000001704 evaporation Methods 0.000 description 9
- 230000008020 evaporation Effects 0.000 description 8
- 239000002904 solvent Substances 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000006555 catalytic reaction Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000007115 recruitment Effects 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 231100000989 no adverse effect Toxicity 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000005022 packaging material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000007616 round robin method Methods 0.000 description 2
- 238000000935 solvent evaporation Methods 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000007084 catalytic combustion reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F33/00—Indicating, counting, warning, control or safety devices
Landscapes
- Treating Waste Gases (AREA)
- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
Abstract
The invention discloses a kind of multicolour press air circulation system, including n print couple, n is more than or equal to 2, each print couple is provided with air inlet and exhaust outlet, the exhaust outlet of each print couple connects total exhaust duct, the air inlet of each print couple connects total backwind tube, also include major cycle blower fan and the first valve, the first outlet of total exhaust duct connects total backwind tube by the first valve, the second outlet of total exhaust duct connects the import of major cycle blower fan, emission-control equipment is led in the outlet of major cycle blower fan, major cycle fan inlet or the VOCs concentration of outlet are used to adjust the exhausting amount of major cycle blower fan.Multicolour press air circulation system of the invention, the polychrome printing waste gas that exhaust air rate is small, VOCs contents are high can be obtained, simultaneously, the waste gas of all full version print couples can be made directly to discharge, the waste gas of non-full version printing colour cell is circulated into total backwind tube, so as to improve the efficiency of exhaust-gas treatment, the exhaust-gas treatment cost in polychrome printing is reduced.
Description
Technical field
The present invention relates to the energy-saving and emission-reduction of polychrome printing, in particular to a kind of multicolour press air circulation system,
The specially multicolour press air circulation system of ornament materials.
Background technology
Polychrome printing is widely used in the industrial production, such as PVC floor, construction wall and furniture surface ornament materials
Use polychrome printing, polychrome printing to be exactly coated in printed body and then drying ink, solvent-borne type is generally taken so far
Ink, i.e., containing the ink of VOCs (volatile organic compounds, i.e. volatile organic matter), the ink containing VOCs exists
Drying course can produce the substantial amounts of gas containing VOCs.After being discharged into air due to VOCs under the sunlight irradiation can with air in
There is chemical reaction generation PM2.5 and have the ozone of injury, i.e., the mist particularly paid close attention to human body in the nitrogen oxides (NOx) of presence
Haze, China has taken up the discharge that severe regulation means limit VOCs, eliminates polychrome printing VOCs discharges and has become industry
Common recognition.
To reduce VOCs discharges, have carries out the alternative of polychrome printing using water-based ink at present, however, due to technology
With cost reason, the regular hour is needed using water-based ink comprehensively in polychrome printing.Therefore, if development eliminates existing ink
The VOCs pollutions technology of generation seems particularly significant.
At present, VOCs discharges are eliminated and mainly utilizes oxidation technology, comprising heating power oxidation and catalysis oxidation.Heating power oxidation is eliminated
VOCs is exactly VOCs is resolved into the water and carbon dioxide being had no adverse effect to environment at a temperature of 700 DEG C or so, and is urged
Change oxidation technology makes VOCs change at relatively low temperatures to have no adverse effect environment under catalyst action
Water and carbon dioxide.But, no matter heating power oxidation eliminates VOCs or catalysis oxidation eliminates VOCs, the cost of investment of equipment with need to
Air quantity to be processed is relevant, and air quantity is bigger, and cost of investment is higher.In addition, no matter heating power oxidation eliminates VOCs or catalysis oxidation disappearing
Except VOCs, the concentration of VOCs influences the operating cost of equipment in waste gas, and the concentration of VOCs is lower, it is necessary to the air quantity for the treatment of is bigger,
Cost is higher.Thus, multicolour press discharge air quantity and VOCs concentration in raising polychrome printing are reduced, is economically to eliminate polychrome
The key of printing VOCs pollutions.
In addition, when being printed using solvent-based ink, on printed matter dissolvent residual be perplex polychrome printing major issue it
One, how to reduce the dissolvent residual on printed matter is also the problem that polychrome printing industry must be solved.
Although there is research packaging material printing machine air circulation system at present, polychrome printing and the bag of ornament materials
Package material polychrome printing exists obvious different.The polychrome printing of ornament materials exists with the difference of common packaging materials printing
In：First, ink usage amount is big during printing, and VOCs concentration is sufficiently high from the waste gas of full version print couple discharge, can be direct
Heating power is sent to aoxidize or catalytic oxidizing equipment treatment, second, full version quantity can exceed that one in printing process.Existing packing timber
Material printing machine air circulation system can not meet the requirement of decoration gravure materialses polychrome printing.
Therefore, polychrome printing offgas discharge amount containing VOCs how is reduced, while high concentration VOCs waste gas is obtained, to meet dress
Adorn the requirement of gravure materialses polychrome printing, the technical problem as those skilled in the art's urgent need to resolve.
The content of the invention
In consideration of it, the present invention proposes a kind of multicolour press air circulation system, it is useless containing VOCs to reduce polychrome printing
Gas discharge rate, while high concentration VOCs waste gas is obtained, so that the exhaust-gas treatment cost in reducing polychrome printing, recessed to meet decoration
The requirement of plate material polychrome printing.
On the one hand, a kind of multicolour press air circulation system proposed by the present invention, including n print couple, n more than etc.
In 2, each described print couple is provided with air inlet and exhaust outlet, and the exhaust outlet of each print couple connects total air draft
Pipe, the air inlet of each print couple connects total backwind tube, also including major cycle blower fan and the first valve, total air draft
The first outlet of pipe connects total backwind tube by the first valve, and the second outlet of total exhaust duct connects the major cycle
Emission-control equipment is led in the import of blower fan, the outlet of the major cycle blower fan, the major cycle fan inlet or outlet
VOCs concentration is used to adjust the exhausting amount of the major cycle blower fan.
Above-mentioned multicolour press air circulation system, it is preferable that also including controller and be arranged on the major cycle wind
The VOCs concentration measuring apparatus of machine outlet, the controller is connected with the VOCs concentration measuring apparatus, major cycle blower fan, the control
Device is used for the exhausting amount of the VOCs concentration control major cycle blower fan detected according to the VOCs concentration measuring apparatus.
Above-mentioned multicolour press air circulation system, it is preferable that the controller is preset with a VOCs concentration thresholds,
The controller is used for when the VOCs concentration of VOCs concentration measuring apparatus detection is more than a VOCs concentration thresholds, control
The running frequency for making the major cycle blower fan increases, to improve the exhausting amount of the major cycle blower fan.
Above-mentioned multicolour press air circulation system, it is preferable that the controller is also preset with the 2nd VOCs concentration thresholds
Value, the controller is used to be less than the 2nd VOCs concentration thresholds in the VOCs concentration of VOCs concentration measuring apparatus detection
When, control the running frequency of the major cycle blower fan to reduce, to reduce the exhausting amount of the major cycle blower fan, the 2nd VOCs
Concentration threshold is less than a VOCs concentration thresholds.
Above-mentioned multicolour press air circulation system, it is preferable that the n print couple is arranged in parallel successively, described
The import of the first valve is connected on the total exhaust duct between (n-1)th print couple and n-th exhaust outlet of print couple, institute
The outlet for stating the first valve is connected on the total backwind tube between (n-1)th print couple and n-th air inlet of print couple.
Above-mentioned multicolour press air circulation system, it is preferable that also including the second valve, the number of the print couple
N is more than or equal to 3, the import of second valve be connected to the n-th -2 print couples and (n-1)th exhaust outlet of print couple it
Between total exhaust duct on, the outlet of second valve is connected to the n-th -2 print couples with (n-1)th air inlet of print couple
Total backwind tube between mouthful.
Above-mentioned multicolour press air circulation system, it is preferable that the print couple includes the first print couple, described
First print couple is additionally provided with the first air supplement passage, and the first air supplement is provided with the first air supplement passage
Valve.
Above-mentioned multicolour press air circulation system, it is preferable that first print couple is also sent including the first colour cell
Wind blower fan, the first import of the first colour cell breeze fan connects the air inlet of first print couple, first color
Second import of group breeze fan connects the outlet of first choke relief valve, and the outlet of the first colour cell breeze fan connects
Connect the gas outlet of first print couple.
Above-mentioned multicolour press air circulation system, it is preferable that first print couple is also adjusted including the first return air
Section valve, first exhaust regulating valve, the first return air regulating valve be arranged on the first import of the first colour cell breeze fan with
Between the air inlet of first print couple, the first exhaust regulating valve is arranged on going out for the first colour cell breeze fan
Between mouth and the gas outlet of first print couple.
Above-mentioned multicolour press air circulation system, it is preferable that first print couple also includes the first air control
Heat exchanger and the first printing drying tunnel, the first air control heat exchanger and the first printing drying tunnel are successively set on described first
Between the outlet and the import of the first exhaust regulating valve of colour cell breeze fan.
A kind of multicolour press air circulation system proposed by the present invention, including n print couple, n are more than or equal to 2, often
Individual print couple is provided with air inlet and exhaust outlet, and the exhaust outlet of each print couple connects total exhaust duct, each print couple
Air inlet connect total backwind tube, also including major cycle blower fan and the first valve, the first outlet of total exhaust duct passes through the first valve
The door total backwind tube of connection, the second outlet of total exhaust duct connects the import of major cycle blower fan, and the outlet of major cycle blower fan is led to useless
The VOCs concentration of Flash Gas Compression Skid System, major cycle fan inlet or outlet is used to adjust the exhausting amount of major cycle blower fan.In this programme,
It is used to adjust the exhausting amount of major cycle blower fan due to major cycle fan inlet or the VOCs concentration of outlet, VOCs concentration can pass through
VOCs concentration measuring apparatus are measured, and exhausting amount can be realized by controlling the running frequency of major cycle blower fan, certainly in master
When circulating fan is for multiple, the number of major cycle blower fan unlatching can also be adjusted to realize, such as, when VOCs concentration is higher than setting
During value, the running frequency for adjusting major cycle blower fan increases, and increases exhausting amount, and printing machine offgas discharge amount increases, so as to obtain
High concentration VOCs waste gas, when VOCs concentration is less than setting value, adjusts the running frequency reduction of major cycle blower fan, subtracts exhausting amount
It is small, so as to reduce polychrome printing offgas discharge amount containing VOCs.Therefore, the VOCs concentration in discharge waste gas can be followed by adjusting master
The exhausting amount of ring blower fan realizes that regulative mode is simple and reliable, simultaneously as processing the waste gas of VOCs into emission-control equipment
The VOCs concentration of processing unit can be adjusted, therefore, air circulation system of the invention can be by above-mentioned simple regulation side
Formula obtains the polychrome printing waste gas that exhaust air rate is small, VOCs contents are high.
Meanwhile, when multicolour press air circulation system of the invention is applied to the polychrome printing of ornament materials, it is contemplated that
The characteristics of printing-ink usage amount is big, because the first outlet of total exhaust duct 10 connects total backwind tube 20 by the first valve F1,
The waste gas of all full version print couples can be made directly to discharge (directly enter emission-control equipment through major cycle blower fan MB), it is non-full
The waste gas of version printing colour cell is circulated into total backwind tube, so as to improve the efficiency of exhaust-gas treatment, reduces exhaust-gas treatment
Cost.
In further technical scheme, print couple includes the first print couple, and the first print couple is additionally provided with the
One air supplements passage, for supplementing fresh air, the first choke relief valve is provided with the first air supplement passage.Due to
The fresh air supplement of one print couple is controlled by the first independent choke relief valve, be therefore, it can according to quantity of ink control
The magnitude of recruitment of fresh air, it is ensured that the first print couple is run under the VOCs concentration conditions of safety.
In preferred technical scheme, the circulation air for printing drying tunnel is extracted from exhaust, VOCs in drying tunnel circulation air
Concentration is increased considerably, and the concentration difference that printing surface solvent evaporation needs declines, and thus evaporation rate of solvent reduction avoids printing
Body surface ink is too fast to dry surface cure, and the solvent in block letter curing ink can successfully volatilize, and thus, take the present invention
The printing drying tunnel round-robin method of description can be greatly lowered the dissolvent residual in block letter；And do not worked in certain group print couple
When, all valve choke relief valves in correspondence print couple, return air regulating valve and exhaust regulating valve can be closed, print
Thus brush machine exhaust air rate declines.In addition, exhaust air rate is controlled by VOCs concentration, total exhaust air rate is easy to control.Furthermore, it is contemplated that printing
The characteristics of ink usage amount is big, the waste gas of all full version print couples is directly discharged, can according to printing full version quantity number,
Printing air return pipeline position is selected by the first valve, the second valve.
Brief description of the drawings
Fig. 1 is the schematic diagram of the first multicolour press air circulation system that the specific embodiment of the invention is proposed；
Fig. 2 is second structural representation of multicolour press air circulation system that the specific embodiment of the invention is proposed；
Fig. 3 is the structural representation of the third multicolour press air circulation system that the specific embodiment of the invention is proposed.
In figure：X1、X2-X5：First print couple, second the-the eight print couple of print couple, and it is referred to as print couple；
The valves of F1 first；The valves of F2 second；MB major cycle blower fans；The choke relief valve of D1, D2-D5 first, the second choke relief valve-the five
Choke relief valve；The colour cell breeze fan of C1, C2-C8 first, second the-the five colour cell breeze fan of colour cell breeze fan；A1、A2-
The first return air of A5 regulating valve, second the-the five return air regulating valve of return air regulating valve；E1, E2-E5 first exhaust regulating valve, second row
The exhaust regulating valve of gas regulating valve-the five；The air of H1, H2-H5 first control heat exchanger, the second air control heat exchanger-the five are empty
Gas control heat exchanger；The printing of B1, B2-B5 first drying tunnel, the second printing printing drying tunnel of drying tunnel-the five.
Specific embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention
Mode is applied to be further described in detail the present invention.It should be noted that in the case where not conflicting, the implementation of the application
Feature in example and embodiment can be mutually combined.
It should be noted that " first ", " second " that occurs in the present invention ..., " the 5th " be only used for distinguishing different knots
Structure and part, dividing without priority, the less restriction as structure or part in itself；Meanwhile, the "and/or" in the present invention refers to both
Can be provided simultaneously with, it is also possible to one of selection, such as option A and/or option b, including option A, option b, option A and scheme
B this three kinds of situations.
As shown in figure 1, a kind of multicolour press air circulation system proposed by the present invention, is particularly suitable for ornament materials
Among polychrome printing, including n print couple X1 ..., Xn, n is more than or equal to 2, each print couple X1 ..., Xn sets
Have air inlet and exhaust outlet, each print couple X1 ..., the exhaust outlet of Xn connect total exhaust duct 10, each print couple
X1 ..., the air inlet of Xn connect total backwind tube 20, meanwhile, also including major cycle blower fan MB and the first valve F1, total exhaust duct
10 first outlet connects total backwind tube 20, the second outlet connection major cycle blower fan MB of total exhaust duct 10 by the first valve F1
Import, the outlet of major cycle blower fan MB leads to emission-control equipment, and the VOCs concentration of major cycle blower fan MB import or exports is used
In the exhausting amount of regulation major cycle blower fan MB.In this programme, the number n of print couple can be it is any number of, such as 2,3,4
It is individual, 5,6,7,8,10,15 etc., Fig. 1 gives the implementation method that a kind of n is 2, and Fig. 2 gives a kind of n and is
The concrete mode of 3, Fig. 3 gives the implementation method that a kind of n is 5.It is appreciated that emission-control equipment of the invention is treatment
The emission-control equipment of VOCs, specifically may be referred to prior art, such as VOCs runners, catalytic combustion system, heat storage burner.
In this programme, it is used to adjust the exhausting amount of major cycle blower fan MB due to the VOCs concentration of major cycle blower fan MB import or exports,
VOCs concentration can be measured by VOCs concentration measuring apparatus, and exhausting amount can be by the operation that controls major cycle blower fan MB frequently
Rate realizes, certainly major cycle blower fan MB for it is multiple when, the number of major cycle blower fan MB unlatching can also be adjusted to realize, than
Such as, when VOCs concentration is higher than setting value, the running frequency of regulation major cycle blower fan MB increases, and increases exhausting amount, printing machine
Offgas discharge amount increases, so as to obtain high concentration VOCs waste gas, when VOCs concentration is less than setting value, adjusts major cycle blower fan MB
Running frequency reduction, make exhausting amount reduce, so as to reduce polychrome printing offgas discharge amount containing VOCs.Therefore, in discharge waste gas
VOCs concentration can realize that regulative mode is simple and reliable, simultaneously as entering by adjusting the exhausting amount of major cycle blower fan MB
The VOCs concentration for entering the emission-control equipment of emission-control equipment treatment VOCs can be adjusted, therefore, air circulation of the invention
System can obtain the polychrome printing waste gas that exhaust air rate is small, VOCs contents are high by above-mentioned simple regulative mode.
When multicolour press air circulation system of the invention is applied to the polychrome printing of ornament materials, it is contemplated that off-set oil
The characteristics of black usage amount is big, because the first outlet of total exhaust duct 10 connects total backwind tube 20 by the first valve F1, can make
Directly discharge directly enters emission-control equipment, non-full version printing color to the waste gas of all full version print couples through major cycle blower fan MB
The waste gas of group is circulated into total backwind tube, so as to improve the efficiency of exhaust-gas treatment, reduces the cost of exhaust-gas treatment.
Above-mentioned multicolour press air circulation system, it is preferable that also including controller and be arranged on major cycle blower fan MB
VOC in VOCs concentration measuring apparatus Fig. 1-3 of outlet, controller is connected with VOCs concentration measuring apparatus, major cycle blower fan MB, control
Device is used for the exhausting amount of the VOCs concentration control major cycle blower fan MB detected according to VOCs concentration measuring apparatus.Specifically, controller
A VOCs concentration thresholds are preset with, controller is used for dense more than a VOCs in the VOCs concentration of VOCs concentration measuring apparatus detection
During degree threshold value, the running frequency of control major cycle blower fan MB increases, to improve the exhausting amount of the major cycle blower fan MB.Further
Ground, controller is also preset with the 2nd VOCs concentration thresholds, and controller is used for small in the VOCs concentration of VOCs concentration measuring apparatus detection
When the 2nd VOCs concentration thresholds, the running frequency of control major cycle blower fan MB reduces, to reduce the major cycle blower fan MB's
Exhausting amount, the 2nd VOCs concentration thresholds are less than a VOCs concentration thresholds.
In such scheme, it is preferable that as Figure 1-3, n print couple X1 ..., Xn be arranged in parallel successively, first
The import of valve F1 is connected to the total exhaust duct between (n-1)th print couple Xn-1 and n-th exhaust outlet of print couple Xn
On 10, the outlet of the first valve F1 is connected between (n-1)th print couple Xn-1 and n-th air inlet of print couple Xn
On total backwind tube 20.Now, by taking Fig. 1 as an example, when the 2nd print couple X2 is full version print couple, because printing-ink makes
Consumption is big, and VOCs concentration is sufficiently high in the waste gas of full version print couple discharge, can directly send heating power to aoxidize or catalysis oxidation
Device treatment, can now open the first valve F1 so that the waste gas of full version print couple X2 discharges uses the not as return air
One waste gas of print couple X1 discharges can enter total backwind tube 20 as return air, so as to improve exhaust treatment efficiency.
In such scheme, it is preferable that as shown in Figures 2 and 3, also including the second valve F2, print couple X1 ..., Xn
Number n is more than or equal to 3, and the import of the second valve F2 is connected to the n-th -2 print couple Xn-2 and (n-1)th print couple Xn-1
Exhaust outlet between total exhaust duct 10 on, the outlet of the second valve F2 is connected to the n-th -2 print couple Xn-2 and (n-1)th
Total backwind tube 20 between the air inlet of print couple Xn-1.By taking Fig. 2 as an example, when the 3rd print couple X3 is full version process color
During group, because printing-ink usage amount is big, VOCs concentration is sufficiently high in the waste gas of full version print couple discharge, can directly send heat
Power is aoxidized or catalytic oxidizing equipment treatment, can now open the first valve F1 so that it is useless that full version print couple X2 is discharged
Gas can enter total backwind tube 20 using the waste gas that first print couple X1 is discharged not as return air as return air, so as to improve
Exhaust treatment efficiency.When second print couple X2 and the 3rd print couple X3 is full version print couple, can close
First valve F1, opens the second valve F2 so that the waste gas of full version print couple X2, X3 discharge uses first not as return air
The waste gas of print couple X1 discharges can enter total backwind tube 20 as return air, and Fig. 3 principles are similar to, will not be repeated here.
Meanwhile, the like, the 3rd valve, the 4th valve, the 5th valve etc. can also be arranged as required to.
Above-mentioned multicolour press air circulation system, print couple X1 ..., Xn include the first print couple X1, the
One print couple X1 is additionally provided with the first air supplement passage, for supplementing fresh air, is set on the first air supplement passage
There is the first choke relief valve D1.Because the fresh air supplement of the first print couple X1 passes through the first independent choke relief valve D1
Control, therefore, it can be controlled according to quantity of ink the magnitude of recruitment of fresh air, it is ensured that the first print couple X1 is dense in the VOCs of safety
Run under the conditions of degree.
Further, the first print couple X1 also includes the first colour cell breeze fan C1, the first colour cell breeze fan C1's
First import connects the air inlet of the first print couple X1, and second import of the first colour cell breeze fan C1 connects the first air and mends
Fill the outlet of valve D1, the gas outlet of the first print couple X1 of outlet connection of the first colour cell breeze fan C1.Meanwhile, the first printing
Colour cell X1 also includes that the first return air regulating valve A1, first exhaust regulating valve E1, the first return air regulating valve A1 are arranged on the first colour cell
Between the air inlet of first import of breeze fan C1 and the first print couple X1, first exhaust regulating valve E1 is arranged on the first color
Between the outlet of group breeze fan C1 and the gas outlet of the first print couple X1.Preferably, the first print couple X1 also includes the
One air controls the printing drying tunnel B1 of heat exchanger H1 and first, the first air printings of control heat exchanger H1 and first drying tunnel B1 to set successively
Put between the outlet of the first colour cell breeze fan C1 and the import of first exhaust regulating valve E1.
It should be noted that as shown in figure 3, print couple X1 ..., Xn can also include the second print couple X2, the
Three print couple X3 ..., the 5th print couple X5, and can with each print couple comprising choke relief valve, one
Colour cell breeze fan, return air regulating valve, exhaust regulating valve, air control heat exchanger and a printing drying tunnel,
And choke relief valve, colour cell breeze fan, return air regulating valve, exhaust regulating valve, air control heat exchanger in each print couple
And the annexation of printing drying tunnel is identical with the first print couple X1.So as to different printing colour cell fresh air supplement can be with
Controlled by independent choke relief valve, the magnitude of recruitment of fresh air can be controlled according to quantity of ink, it is ensured that each printing machine
Run under the VOCs concentration conditions of safety.
Above-mentioned multicolour press air circulation system, it is preferable that multiple print couple X1 ..., the air-supply of the colour cell of Xn
Blower fan C1, C2 ... open quantity can be also used for control major cycle blower fan MB operating frequencys.Therefore, global cycle air quantity passes through
Colour cell breeze fan is opened quantity and is automatically adjusted, and regulative mode is simple.Specifically, can by each print couple X1 ..., Xn
Colour cell breeze fan be connected with controller, while major cycle blower fan MB is also connected with controller, controller prints according to each
Swabbing group X1 ..., the unlatching quantity of the colour cell breeze fan of Xn control major cycle blower fan MB operating frequencys, it is right so as to realize
Global cycle air quantity is automatically controlled.
It should be noted that in polychrome printing, the evaporation of solvent in ink in block letter is, it is necessary to meet two simultaneously
Individual condition, first, evaporation needs heat, is currently to transfer heat to block letter by drying tunnel recirculated hot air, drying tunnel circulation
Air capacity is bigger, and heat transfer speed is faster, and the evaporation rate of solvent in block letter increases；Need to set up print when the secondth, evaporating
Concentration difference between brush body surface VOCs concentration and circulation air VOCs concentration, evaporation rate of solvent in the bigger block letter of concentration difference
It is faster.The multicolour press air circulation system of the present embodiment, when return air concentration increases, ink evaporation rate declines,
Avoid ink pellet surface and dry the phenomenon that hardening prevents internal ink evaporation.
Meanwhile, the multicolour press air circulation system of the present embodiment, the circulation air of printing drying tunnel B1, B2-B5 is from row
Extracted in gas, VOCs concentration is increased considerably in drying tunnel circulation air, the concentration difference that printing surface solvent evaporation needs declines, molten
The reduction of agent evaporation rate, thus avoids that block letter surface ink is too fast to dry surface cure, and the solvent in block letter curing ink can
Successfully to volatilize, thus, the printing drying tunnel round-robin method for taking the present invention to describe can be greatly lowered molten in block letter
Agent is remained；And certain group print couple it is idle when, can will correspondence print couple on all valve choke relief valves,
Return air regulating valve and exhaust regulating valve are closed, and thus printing machine exhaust air rate declines.In addition, exhaust air rate is controlled by VOCs concentration, always
Exhaust air rate is easy to control.Furthermore, it is contemplated that the characteristics of printing-ink usage amount is big, the waste gas of all full version print couples is directly arranged
Put, can according to printing full version quantity number, printing air return pipeline position is selected by the first valve F1, the second valve F2.
The preferred embodiments of the present invention are these are only, is not intended to limit the invention, for those skilled in the art
For member, the present invention can have various modifications and variations.All any modifications within the spirit and principles in the present invention, made,
Equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of multicolour press air circulation system, including n print couple (X1 ..., Xn), n is more than or equal to 2, each
The print couple (X1 ..., Xn) is provided with air inlet and exhaust outlet, the row of each print couple (X1 ..., Xn)
Gas port connects total exhaust duct (10), and the air inlet of each print couple (X1 ..., Xn) connects total backwind tube (20), its
It is characterised by, also including major cycle blower fan (MB) and the first valve (F1), the first outlet of total exhaust duct (10) is by the
One valve (F1) connects total backwind tube (20), and the second outlet of total exhaust duct (10) connects the major cycle blower fan
(MB) emission-control equipment is led in import, the outlet of the major cycle blower fan (MB), major cycle blower fan (MB) import or
The VOCs concentration of outlet is used to adjust the exhausting amount of the major cycle blower fan (MB).
2. multicolour press air circulation system according to claim 1, it is characterised in that also including controller and setting
In the VOCs concentration measuring apparatus of the major cycle blower fan (MB) outlet, the controller is followed with the VOCs concentration measuring apparatus, master
Ring blower fan (MB) is connected, and the VOCs concentration that the controller is used to be detected according to the VOCs concentration measuring apparatus controls the master to follow
The exhausting amount of ring blower fan (MB).
3. multicolour press air circulation system according to claim 2, it is characterised in that the controller is preset with
One VOCs concentration thresholds, the controller is used to be more than described first in the VOCs concentration of VOCs concentration measuring apparatus detection
During VOCs concentration thresholds, controlling the running frequency of the major cycle blower fan (MB) increases, to improve the major cycle blower fan (MB)
Exhausting amount.
4. multicolour press air circulation system according to claim 3, it is characterised in that the controller is also preset with
2nd VOCs concentration thresholds, the controller is used to be less than described second in the VOCs concentration of VOCs concentration measuring apparatus detection
During VOCs concentration thresholds, the running frequency of the major cycle blower fan (MB) is controlled to reduce, to reduce the major cycle blower fan (MB)
Exhausting amount, the 2nd VOCs concentration thresholds be less than a VOCs concentration thresholds.
5. the multicolour press air circulation system according to claim any one of 1-4, it is characterised in that the n print
Swabbing group (X1 ..., Xn) is arranged in parallel successively, and the import of first valve (F1) is connected to (n-1)th print couple
(Xn-1) on the total exhaust duct (10) and between n-th exhaust outlet of print couple (Xn), the outlet of first valve (F1)
It is connected on the total backwind tube (20) between (n-1)th print couple (Xn-1) and n-th air inlet of print couple (Xn).
6. multicolour press air circulation system according to claim 5, it is characterised in that also including the second valve
(F2), the number n of the print couple (X1 ..., Xn) is more than or equal to 3, and the import of second valve (F2) is connected to the
On total exhaust duct (10) between n-2 print couple (Xn-2) and (n-1)th exhaust outlet of print couple (Xn-1), described
The outlet of two valves (F2) be connected to the n-th -2 print couples (Xn-2) and (n-1)th print couple (Xn-1) air inlet it
Between total backwind tube (20).
7. the multicolour press air circulation system according to claim any one of 1-4, it is characterised in that the process color
Group (X1 ..., Xn) includes the first print couple (X1), and it is logical that first print couple (X1) is additionally provided with the first air supplement
Road, the first choke relief valve (D1) is provided with the first air supplement passage.
8. multicolour press air circulation system according to claim 7, it is characterised in that first print couple
(X1) the first colour cell breeze fan (C1), the first import connection described first of the first colour cell breeze fan (C1) are also included
The air inlet of print couple (X1), the second import of the first colour cell breeze fan (C1) connects first choke relief valve
(D1) outlet, the outlet of the first colour cell breeze fan (C1) connects the gas outlet of first print couple (X1).
9. multicolour press air circulation system according to claim 7, it is characterised in that first print couple
(X1) the first return air regulating valve (A1), first exhaust regulating valve (E1) are also included, the first return air regulating valve (A1) is arranged on
Between first import of the first colour cell breeze fan (C1) and the air inlet of first print couple (X1), described first
Exhaust regulating valve (E1) is arranged on the outlet of the first colour cell breeze fan (C1) and going out for the first print couple (X1)
Between gas port.
10. multicolour press air circulation system according to claim 8, it is characterised in that first print couple
(X1) also include that the first air controls heat exchanger (H1) and the first printing drying tunnel (B1), first air controls heat exchanger (H1)
And first printing drying tunnel (B1) be successively set on the outlet of the first colour cell breeze fan (C1) and adjusted with the first exhaust
Between the import of valve (E1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710193829.1A CN106903991B (en) | 2017-03-28 | 2017-03-28 | Multicolor printing machine air circulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710193829.1A CN106903991B (en) | 2017-03-28 | 2017-03-28 | Multicolor printing machine air circulation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106903991A true CN106903991A (en) | 2017-06-30 |
| CN106903991B CN106903991B (en) | 2024-05-28 |
Family
ID=59195789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710193829.1A Active CN106903991B (en) | 2017-03-28 | 2017-03-28 | Multicolor printing machine air circulation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106903991B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107364230A (en) * | 2017-08-11 | 2017-11-21 | 广州黑马科技有限公司 | A kind of printing machine air circulation system |
| CN114619758A (en) * | 2022-04-29 | 2022-06-14 | 西安昱昌环境科技有限公司 | Printing color group air valve control interlocking device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1197118A (en) * | 1997-12-17 | 1998-10-28 | 重庆钢铁股份有限公司 | Full automatic dusting system with fuzzy control |
| CN101758659A (en) * | 2009-12-31 | 2010-06-30 | 孙宗长 | Device for increasing concentration and decreasing emission of waste gas in printer |
| CN102580451A (en) * | 2011-12-24 | 2012-07-18 | 浙江环泰环保设备有限公司 | Treatment method for paint spraying waste gas |
| DE19505971C5 (en) * | 1995-02-21 | 2013-03-14 | Windmöller & Hölscher Kg | Apparatus for drying printed or coated webs |
| CN204712630U (en) * | 2015-04-09 | 2015-10-21 | 中山火炬职业技术学院 | A kind of intaglio printing press bake oven device of recyclable hot blast |
| CN105444536A (en) * | 2015-12-18 | 2016-03-30 | 广东环葆嘉节能科技有限公司 | Tandem drying system |
| CN205300206U (en) * | 2015-12-11 | 2016-06-08 | 广东芬尼克兹节能设备有限公司 | Heat pump drying system of adjustable solvent strength |
| CN205871480U (en) * | 2016-07-05 | 2017-01-11 | 江阴市力达印刷包装机械有限公司 | Electric control system suitable for gravure press drying system |
| CN206012011U (en) * | 2016-08-11 | 2017-03-15 | 陕西北人印刷机械有限责任公司 | A kind of intaglio printing fan delivery automaton |
| CN206623533U (en) * | 2017-03-28 | 2017-11-10 | 广州黑马科技有限公司 | A kind of multicolour press air circulation system |
-
2017
- 2017-03-28 CN CN201710193829.1A patent/CN106903991B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19505971C5 (en) * | 1995-02-21 | 2013-03-14 | Windmöller & Hölscher Kg | Apparatus for drying printed or coated webs |
| CN1197118A (en) * | 1997-12-17 | 1998-10-28 | 重庆钢铁股份有限公司 | Full automatic dusting system with fuzzy control |
| CN101758659A (en) * | 2009-12-31 | 2010-06-30 | 孙宗长 | Device for increasing concentration and decreasing emission of waste gas in printer |
| CN102580451A (en) * | 2011-12-24 | 2012-07-18 | 浙江环泰环保设备有限公司 | Treatment method for paint spraying waste gas |
| CN204712630U (en) * | 2015-04-09 | 2015-10-21 | 中山火炬职业技术学院 | A kind of intaglio printing press bake oven device of recyclable hot blast |
| CN205300206U (en) * | 2015-12-11 | 2016-06-08 | 广东芬尼克兹节能设备有限公司 | Heat pump drying system of adjustable solvent strength |
| CN105444536A (en) * | 2015-12-18 | 2016-03-30 | 广东环葆嘉节能科技有限公司 | Tandem drying system |
| CN205871480U (en) * | 2016-07-05 | 2017-01-11 | 江阴市力达印刷包装机械有限公司 | Electric control system suitable for gravure press drying system |
| CN206012011U (en) * | 2016-08-11 | 2017-03-15 | 陕西北人印刷机械有限责任公司 | A kind of intaglio printing fan delivery automaton |
| CN206623533U (en) * | 2017-03-28 | 2017-11-10 | 广州黑马科技有限公司 | A kind of multicolour press air circulation system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107364230A (en) * | 2017-08-11 | 2017-11-21 | 广州黑马科技有限公司 | A kind of printing machine air circulation system |
| CN114619758A (en) * | 2022-04-29 | 2022-06-14 | 西安昱昌环境科技有限公司 | Printing color group air valve control interlocking device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106903991B (en) | 2024-05-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206242679U (en) | A kind of system that is heating and curing of packaging film printing | |
| CN107364230A (en) | A kind of printing machine air circulation system | |
| CN206073094U (en) | A kind of VOC waste gas total system | |
| CN101758659B (en) | Device for increasing concentration and decreasing emission of waste gas in printer | |
| CN106287758B (en) | High-temperature incineration low-temperature catalytic waste gas treatment and utilization system | |
| CN207088728U (en) | A kind of printing machine air circulation system | |
| CN106903991A (en) | A kind of multicolour press air circulation system | |
| CN108437623B (en) | Gravure printing machine, drying system and control method thereof | |
| CN206718712U (en) | Intaglio press air circulation system | |
| CN206623533U (en) | A kind of multicolour press air circulation system | |
| JP4668093B2 (en) | Printer control device | |
| CN107310264A (en) | A kind of multicolour press air circulation system | |
| CN207028512U (en) | A kind of multicolour press air circulation system | |
| CN110094744A (en) | A kind of energy-saving and emission-reduction system of binary channel processing gravure organic exhaust gas | |
| CN106903987A (en) | Intaglio press air circulation system | |
| CN207188150U (en) | A kind of exhaust system that hot air circulation is carried for coating plant baking oven | |
| CN206690676U (en) | A kind of intaglio press air circulation system | |
| CN205628512U (en) | Environmental protection and energy saving processing apparatus that advances to exhaust | |
| CN107891666A (en) | A kind of multicolour press air circulation system | |
| CN207140550U (en) | Energy saving and environment friendly printing mechanism | |
| CN207736952U (en) | A kind of dedicated oven drying system of plastics water-based ink printing | |
| CN204414794U (en) | A kind of Novel heating drying system of film printing | |
| CN107498993A (en) | A kind of intaglio press air circulation system | |
| CN205980590U (en) | Side fan type ship cabin wood drying device | |
| CN204586111U (en) | Waste heat recovery re-use device in ink printing industry |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |