CN105363277B - Offset printing fountain solution self-circulation purification system and method - Google Patents

Offset printing fountain solution self-circulation purification system and method Download PDF

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Publication number
CN105363277B
CN105363277B CN201510768009.1A CN201510768009A CN105363277B CN 105363277 B CN105363277 B CN 105363277B CN 201510768009 A CN201510768009 A CN 201510768009A CN 105363277 B CN105363277 B CN 105363277B
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China
Prior art keywords
fountain solution
value
room
filter
water tank
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CN201510768009.1A
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CN105363277A (en
Inventor
高文超
段华伟
邱赞业
刘文士
马伟武
马楚力
马楚邦
马家慧
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DONGGUAN JIAYI INDUSTRIAL Co.,Ltd.
LIJIA PACKAGING (DONGGUAN) Co.,Ltd.
SHENZHEN LIJIA CREATIVE CULTURAL INDUSTRY DEVELOPMENT Co.,Ltd.
Original Assignee
LUK KA PACKING (SHENZHEN) Co Ltd
Tcfe Intention Development Of Cultural Industry Co Ltd Of Shenzhen
Lijia Packing (dongguan) Co Ltd
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Application filed by LUK KA PACKING (SHENZHEN) Co Ltd, Tcfe Intention Development Of Cultural Industry Co Ltd Of Shenzhen, Lijia Packing (dongguan) Co Ltd filed Critical LUK KA PACKING (SHENZHEN) Co Ltd
Priority to CN201510768009.1A priority Critical patent/CN105363277B/en
Publication of CN105363277A publication Critical patent/CN105363277A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D36/00Filter circuits or combinations of filters with other separating devices
    • B01D36/04Combinations of filters with settling tanks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41NPRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N3/00Preparing for use and conserving printing surfaces
    • B41N3/08Damping; Neutralising or similar differentiation treatments for lithographic printing formes; Gumming or finishing solutions, fountain solutions, correction or deletion fluids, or on-press development

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Rotary Presses (AREA)

Abstract

The invention discloses an offset printing fountain solution self-circulation purification system and method. The system comprises a first water tank, a second water tank, a layered deposition filter, a filter, a third water tank and a control circuit. When through the control circuit, it is found that particle solubility of a fountain solution in the first water tank is less than a preset value, the control circuit controls a 3-way shift switch so that the fountain solution flows into a first chamber, when through the control circuit, it is found that particle solubility of the fountain solution in the first water tank is greater than the preset value, the control circuit controls the 3-way shift switch so that the fountain solution goes through the layered deposition filter, flows into the first chamber, then enters a self-circulation filter system and is subjected to cyclic purification, the control circuit receives signals of a thermometer, a pH detector and a conductivity detector, and when the pH and the conductivity are higher than a corresponding pH threshold and a conductivity threshold, alcohol and water are added into the primary fountain solution according to a certain ratio. The system and method have high fountain solution purification efficiency, realize real-time accurate detection of indexes of the fountain solution, make the fountain solution quality stable and guarantee printing quality.

Description

Offset printing fountain solution self-circulation purifying system and purification method
Technical field
The present invention relates to fountain solution self-circulation purifying system, especially a kind of offset printing fountain solution self-circulation purifying system and net Change method.
Background technology
The effectively utilizes problem of fountain solution is always problem demanding prompt solution in industry, and existing technical scheme is mainly first Through primary filter, then smart filtration is carried out, finally enters fountain solution addition water tank, the detection of each index is carried out in the water tank, According to testing result, various buffers are added in the water tank, or add the materials such as new fountain solution, alcohol, water.Therefore it is existing In place of technology comes with some shortcomings:During fountain solution circulating filtration, can not switch at any time during plugged filtration media, so as to can not Replacing is not shut down in realization, affects filter efficiency, and easily occurs the phenomenon that water tank is evacuated and overflowed when plugged filtration media, Injury device, waste of resource.Additionally, each Indexs measure and buffer solution add all in same water tank, solution can be caused to mix Phenomenon that is uneven and that detection error occur.
The content of the invention
Present invention aim to address the deficiencies in the prior art, there is provided a kind of offset printing fountain solution self-circulation purifying system and net Change method.
A kind of technical scheme of the present invention:
A kind of offset printing fountain solution self-circulation purifying system, it is characterised in that include:
First water tank, first water tank is used to collect the fountain solution of offset press;
Second water tank, second water tank is divided into the first Room and second Room, the height of the dividing plate by the dividing plate being provided with The side wall of not higher than the second water tank, first Room is provided with the adding set to the first indoor addition stoste, alcohol and water;
Layering and precipitating filter, the outlet of the layering and precipitating filter is connected with the entrance of first Room, and described One water tank is connected respectively by the threeway switching switch being provided with the entrance of layering and precipitating filter and the entrance of the first Room, described The first self priming pump is provided between first water tank and threeway switching switch;
Filter, the outlet of first Room is connected by the second self priming pump being provided with the entrance of filter, institute The outlet for stating filter is connected by being provided with check-valves with the entrance of second Room, and the fountain solution Jing of the first interior filters device mistake Second Room is entered after filter, the fountain solution overflow of second interior enters the first indoor, formation self-loopa filtration system;
Three-tank, the three-tank is provided with the thermometer of damping liquid temp in detection three-tank, detection fountain solution The pH detections meter of pH value and the electrical conductivity detection meter of detection fountain solution electrical conductivity;The outlet of the second Room by be provided with the Three self priming pumps are connected with the entrance of three-tank, and the outlet of the three-tank passes through the 4th self priming pump being provided with and outside offset printing Machine is connected;
Control circuit, the control circuit is detected respectively with adding set, threeway switching switch, pH detections meter and electrical conductivity Meter connection, control circuit reception pH detections meter and electrical conductivity detected and sent out to adding set and threeway switching switch after the measured value counted Go out corresponding signal;
When the fountain solution particle solubility in control circuit detects the first water tank is less than preset value, control circuit control three Logical switching switch makes fountain solution flow to the first Room, when the fountain solution particle solubility that control circuit is detected in the first water tank is higher than pre- If during value, control circuit control threeway switching switch makes to flow to the first Room after the layered deposition filter of fountain solution;Control circuit The signal of thermometer, pH detections meter and electrical conductivity detection meter is received, when pH value, conductivity value are higher than corresponding pH threshold values, conductance During rate threshold value, into one-level fountain solution alcohol and water are proportionally added into;When pH value, conductivity value are less than corresponding pH threshold values, electricity During conductance threshold value, into one-level fountain solution stoste is proportionally added into;When temperature value be less than or more than setting temperature range when, adjust Save the temperature of three-tank.
A kind of preferred version is that filter includes some filtration channels, and every filtration channel includes and the second self priming pump The electromagnetic switch of connection, positioned at some filters in electromagnetic switch downstream and the flowmeter positioned at filter downstream, flowmeter The other end is connected with check-valves.
A kind of preferred version is that the quantity of filtration channel is at least 2, and every filtration channel includes at least 3 filters.
A kind of preferred version is that filter is additionally provided with warning indicator.
A kind of preferred version is that second Room is not more than the first Room.
It is 1/3rd of the first Room that a kind of preferred version is second Room.
A kind of preferred version is that the flow of the first self priming pump, the 3rd self priming pump and the 4th self priming pump is equal, the second self priming pump Flow be not less than the first self priming pump.
It is PLC that a kind of preferred version is control circuit.
Another technical scheme of the present invention is:
A kind of offset printing fountain solution purification method, comprises the following steps:
It is respectively provided with particle solubility threshold value, pH threshold values, temperature threshold and conductivity threshold;
Control contaminated fountain solution and flow into the first water tank;
The fountain solution particle solubility value in the first water tank is detected, and is compared with particle solubility threshold value;When what is detected When particle solubility value is higher than particle solubility threshold value, layering and precipitating process is carried out to fountain solution;
The fountain solution of layered precipitation process moistens with converging less than the fountain solution of predetermined particle solubility threshold value and forming one-level Version liquid;
Two grades of fountain solutions are filtrated to get again to one-level fountain solution Jing self-loopas filtration system;
Two grades of fountain solution pH value of detection, temperature value, conductivity value and respectively with pH threshold values, temperature threshold, conductivity threshold It is compared;
When pH value, conductivity value are higher than corresponding pH threshold values, conductivity threshold, it is proportionally added into into one-level fountain solution Alcohol and water;When pH value, conductivity value are less than corresponding pH threshold values, conductivity threshold, add in proportion into one-level fountain solution Enter stoste;When temperature value be less than or more than setting temperature range when, start refrigeration system, adjust three-tank in temperature.
The invention has the beneficial effects as follows:Fountain solution enters the first water tank by offset press bucket, and the first water tank is concentrated contaminated Fountain solution, the contaminated degree of early stage fountain solution it is little do not need layering and precipitating filter, be directly entered self-loopa filtration system filtration, When the contaminated degree of later stage fountain solution is higher, fountain solution first passes through layering and precipitating filtration, enters back into self-loopa filtration system mistake Filter;Then the indices of the solution after self-loopa filtration system is filtered are detected, when detection fountain solution fails to reach During to print request, according to different proportion stoste, alcohol and water are added into fountain solution, adjust fountain solution performance, so repeatedly, Reach maximally utilizing for resource;The design of the first Room and second Room is capable of achieving internal repeatedly circulation, and filter effect is more preferable, and Pump capacity relation D1=D3=D4 during setting<D2, the evacuation and spillover when filtering rate can be avoided unstable;Detection Be located at different water tanks with adding set, can more accurate real-time monitoring fountain solution indices.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention, And can be practiced according to the content of specification, and in order to allow the present invention above and other objects, features and advantages can Become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, describe in detail as follows.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the purification process figure of the present invention.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase Mutually combination.The present invention is described further below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of offset printing fountain solution self-circulation purifying system, including:First water tank 10, the second water tank 20, point Layer deposition filter 40, filter 50, three-tank 30 and control circuit.
First water tank 10, the first water tank 10 is used to collect the fountain solution of offset press;Second water tank 20, the second water tank 20 passes through 203 points of the dividing plate being provided with is the first Room 201 and second Room 202, and the height of dividing plate 203 is not higher than the side wall of the second water tank 202, the One Room 201 is provided with the adding set 204 for adding stoste, alcohol and water into the first Room 201;Layering and precipitating filter 40, layering The outlet of deposition filter 40 is connected with the entrance of the first Room 201, and the first water tank 10 is divided by the threeway switching switch V1 being provided with It is not connected with the entrance of layering and precipitating filter 40 and the entrance of the first Room 201, between the first water tank 10 and threeway switching switch It is provided with the first self priming pump D1;Filter 50, the outlet of the first Room 201 passes through the second self priming pump D2 being provided with and filter 50 Entrance be connected, the outlet of filter 50 is by, first Room connected with the entrance of second Room 202 that be provided with check-valves V3 Fountain solution in 201 enters second Room 202 Jing after filtering device 50 and filter, and the fountain solution overflow in second Room 202 enters first In room 201;Three-tank 30, three-tank 30 is provided with the thermometer T4 of damping liquid temp in detection three-tank 30, detection profit The pH detections meter T3 of the version liquid pH value and electrical conductivity detection meter T2 of detection fountain solution electrical conductivity;The outlet of second Room 202 passes through The 3rd self priming pump D3 being provided with is connected with the entrance of three-tank 30, and the outlet of three-tank 30 passes through the 4th self priming pump being provided with D4 is connected with outside offset press;Control circuit, control circuit is counted respectively with switching switch V1, pH detection of adding set 204, threeway To addition after the measured value of T3 and electrical conductivity detection meter T2 connections, control circuit reception pH detections meter T3 and electrical conductivity detection meter T2 Device 204 and threeway switching switch V1 send corresponding signal;When control circuit detects the fountain solution particle in the first water tank 10 When solubility is less than preset value, control circuit control threeway switching switch V1 makes fountain solution flow to the first Room 201, when control circuit inspection When the fountain solution particle solubility measured in the first water tank 10 is higher than preset value, control circuit control threeway switching switch V1 makes damping The first Room 201 is flowed to after the layered deposition filter 40 of liquid;Control circuit receives thermometer T4, pH detection meter T3 and electrical conductivity inspection The signal of meter T2 is surveyed, when pH value, conductivity value are higher than corresponding pH threshold values, conductivity threshold, into the first Room 201 in proportion Add alcohol and water;When pH value, conductivity value are less than corresponding pH threshold values, conductivity threshold, into the first Room 201 in proportion Add stoste;When temperature value be less than or more than setting temperature range when, start refrigeration system, adjust three-tank 30 in temperature Degree.Control circuit is PLC.
Wherein, filter 50 includes some filtration channels, and every filtration channel includes being connected with the second self priming pump D2 Electromagnetic switch V2, positioned at some filters 501 in electromagnetic switch V2 downstream and the flowmeter T5 positioned at the downstream of filter 501, The other end of flowmeter T5 is connected with check-valves V3.The quantity of filtration channel is at least 2, and every filtration channel includes at least 3 Individual filter 501.Filter 50 is additionally provided with warning indicator.In the present embodiment, filter 50 includes two mistakes arranged side by side Filter passage.When the damping flow quantity that the flowmeter T5 of a wherein filtration channel is detected on the passage is less than setting value, electromagnetism Switch V2 is automatically switched off the filtration channel, and alarm is sent to the warning indicator on the filtration channel, reminds operating personnel to change The filter medium of filter 501 in the filtration channel, while opening another filtration channel.
Second Room 202 is not more than the first Room 201.In the present embodiment, second Room 202 is 1/3rd of the first Room 201.
First self priming pump D1, the flow of the 3rd self priming pump D3 and the 4th self priming pump D4 is equal, the flow of the second self priming pump D2 Not less than the first self priming pump D1.
As depicted in figs. 1 and 2, when control circuit detects fountain solution particle solubility less than given threshold, threeway switching Switch V1 switching control fountain solutions flow to the first Room 201 of the second water tank 20, fountain solution through the second self-priming in the first Room 201 Pump D2 flows to filter 50, then enters the second Room 202 of the second water tank 20, fountain solution in second Room 202 through flowmeter T5 Overflow is entered in the first Room 201, is formed self-loopa and is filtered, while fountain solution is entered via the 3rd self priming pump D3 in second Room 202 Three-tank 30, thermometer T4, pH detection meter T3, electrical conductivity detection meter T2, liquid level gauge T1 detect respectively profit in three-tank 30 Temperature, pH, electrical conductivity, the liquid level of version liquid, after temperature, pH, electrical conductivity, liquid level reach the index of setting, the 3rd Fountain solution in water tank 30 enters outside offset press through the 4th self priming pump D4;When pH, electrical conductivity, liquid level not up to set Index when, adding set 204 is to the first indoor addition stoste or alcohol and water, when the index that temperature not up to sets, system Cooling system starts, and adjusts the temperature in three-tank 30;
Contaminated fountain solution flows into the first water tank;When control circuit detects value of the fountain solution particle solubility higher than setting When, threeway switching switch V1 switching control fountain solutions flow to layering and precipitating filter 40, the layered deposition filter 40 of fountain solution The first Room 201 of the second water tank 20 is flowed to after filtration, the fountain solution in the first Room 201 filters dress through the second self priming pump D2 flow directions 50 are put, then the second Room 202 of the second water tank 20 is entered through flowmeter T5, fountain solution overflow in second Room 202 enters the first Room In 201, form self-loopa and filter, while fountain solution enters three-tank 30, temperature via the 3rd self priming pump D3 in second Room 202 Meter T4, pH detection meter T3, electrical conductivity detection meter T2, liquid level gauge T1 detect respectively the temperature of fountain solution, pH, electricity in three-tank 30 Conductance, liquid level, after temperature, pH, electrical conductivity, liquid level reach the index of setting, fountain solution in three-tank 30 Outside offset press is entered through the 4th self priming pump D4;After the index that pH, electrical conductivity, liquid level not up to set, addition dress 204 to first indoor addition stostes or alcohol and water are put, when the index that temperature not up to sets, refrigeration system starts, and adjusts Temperature in three-tank 30.Adding set 204 includes stoste adder I1, alcohol adder I2 and water adder I3.
A kind of method of control offset printing fountain solution self-circulation purifying, comprises the following steps:
The first step, is respectively provided with particle solubility threshold value, pH threshold values, temperature threshold and conductivity threshold;
Second step, controls contaminated fountain solution and flows into the first water tank 10;
3rd step, detects the fountain solution particle solubility value in the first water tank 10, and is compared with particle solubility threshold value;When When the particle solubility value for detecting is higher than particle solubility threshold value, layering and precipitating process is carried out to fountain solution;
4th step, the fountain solution of layered precipitation process converges and is formed with the fountain solution less than predetermined particle solubility threshold value One-level fountain solution;
5th step, to one-level fountain solution Jing self-loopas filtration system two grades of fountain solutions are filtrated to get again;
6th step, two grades of fountain solution pH value of detection, temperature value, conductivity value and respectively with pH threshold values, temperature threshold, conductance Rate threshold value is compared;
7th step, when pH value, conductivity value are higher than corresponding pH threshold values, conductivity threshold, presses into one-level fountain solution Ratio adds alcohol and water;When pH value, conductivity value are less than corresponding pH threshold values, conductivity threshold, into one-level fountain solution It is proportionally added into stoste;When temperature value be less than or more than setting temperature range when, start refrigeration system, adjust three-tank Temperature.
It is more than the specific embodiment of the present invention, it is noted that for those skilled in the art, Under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as this Bright protection domain.

Claims (9)

1. a kind of offset printing fountain solution self-circulation purifying system, it is characterised in that include:
First water tank, first water tank is used to collect the fountain solution of offset press;
Second water tank, second water tank is divided into the first Room and second Room by the dividing plate being provided with, and the height of the dividing plate is not high In the side wall of the second water tank, first Room is provided with the adding set to the first indoor addition stoste, alcohol and water;
Layering and precipitating filter, the outlet of the layering and precipitating filter is connected with the entrance of first Room, first water Case is connected respectively by the threeway switching switch being provided with the entrance of layering and precipitating filter and the entrance of the first Room, and described first The first self priming pump is provided between water tank and threeway switching switch;
Filter, the outlet of first Room is connected by the second self priming pump being provided with the entrance of filter, the mistake The outlet of filter device is connected by being provided with check-valves with the entrance of second Room, and the fountain solution of the first interior is Jing after filtering device and filter Into second Room, the fountain solution overflow of second interior enters the first indoor, formation self-loopa filtration system;
Three-tank, the three-tank is provided with the thermometer of damping liquid temp in detection three-tank, detection fountain solution pH value PH detection meter and detect fountain solution electrical conductivity electrical conductivity detection meter;The second Room outlet by be provided with the 3rd from Sucking pump is connected with the entrance of three-tank, and the outlet of the three-tank passes through the 4th self priming pump being provided with and outside offset press phase Even;
Control circuit, the control circuit connects respectively with adding set, threeway switching switch, pH detections meter and electrical conductivity detection meter Connect, control circuit receives pH and detects that switching switch to adding set and threeway after the measured value counted with electrical conductivity detection meter sends phase Induction signal;
When the fountain solution particle solubility in control circuit detects the first water tank is less than preset value, control circuit control threeway is cut Changing switch makes fountain solution flow to the first Room, when the fountain solution particle solubility that control circuit is detected in the first water tank is higher than preset value When, control circuit control threeway switching switch makes to flow to the first Room after the layered deposition filter of fountain solution;Control circuit is received The signal of thermometer, pH detections meter and electrical conductivity detection meter, when pH value, conductivity value are higher than corresponding pH threshold values, electrical conductivity threshold During value, into one-level fountain solution alcohol and water are proportionally added into;When pH value, conductivity value are less than corresponding pH threshold values, electrical conductivity During threshold value, into one-level fountain solution stoste is proportionally added into;When temperature value be less than or more than setting temperature range when, adjust the The temperature of three-tank.
2. offset printing fountain solution self-circulation purifying system as claimed in claim 1, it is characterised in that if the filter includes Dry bar filtration channel, every filtration channel includes the electromagnetic switch being connected with the second self priming pump, some positioned at electromagnetic switch downstream Filter and the flowmeter positioned at filter downstream, the other end of the flowmeter is connected with check-valves.
3. offset printing fountain solution self-circulation purifying system as claimed in claim 2, it is characterised in that the quantity of the filtration channel At least 2, every filtration channel includes at least 3 filters.
4. offset printing fountain solution self-circulation purifying system as claimed in claim 2, it is characterised in that the filter is additionally provided with Warning indicator.
5. offset printing fountain solution self-circulation purifying system as claimed in claim 1, it is characterised in that the second Room is not more than One Room.
6. offset printing fountain solution self-circulation purifying system as claimed in claim 5, it is characterised in that the second Room is the first Room 1/3rd.
7. offset printing fountain solution self-circulation purifying system as claimed in claim 1, it is characterised in that first self priming pump, The flow of three self priming pumps and the 4th self priming pump is equal, and the flow of second self priming pump is not less than the first self priming pump.
8. offset printing fountain solution self-circulation purifying system as claimed in claim 1, it is characterised in that the control circuit is PLC Controller.
9. a kind of method that offset printing fountain solution is purified, it is characterised in that comprise the following steps:
It is respectively provided with particle solubility threshold value, pH threshold values, temperature threshold and conductivity threshold;
Control contaminated fountain solution and flow into the first water tank;
The fountain solution particle solubility value in the first water tank is detected, and is compared with the particle solubility threshold value;When what is detected When particle solubility value is higher than the particle solubility threshold value, layering and precipitating process is carried out to the fountain solution;
The fountain solution of layered precipitation process converges and is formed one-level fountain solution with the fountain solution less than predetermined particle solubility threshold value;
Two grades of fountain solutions are filtrated to get again to one-level fountain solution Jing self-loopas filtration system;
Two grades of fountain solution pH value of detection, temperature value, conductivity value are simultaneously carried out with pH threshold values, temperature threshold, conductivity threshold respectively Relatively;
When pH value, conductivity value are higher than corresponding pH threshold values, conductivity threshold, into one-level fountain solution alcohol is proportionally added into And water;When pH value, conductivity value are less than corresponding pH threshold values, conductivity threshold, into one-level fountain solution original is proportionally added into Liquid;When temperature value be less than or more than setting temperature range when, start refrigeration system, adjust three-tank in temperature.
CN201510768009.1A 2015-11-10 2015-11-10 Offset printing fountain solution self-circulation purification system and method Active CN105363277B (en)

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CN106427262B (en) * 2016-08-16 2018-07-31 浙江茉织华印刷股份有限公司 A kind of fountain solution and its circulatory system
CN106427184B (en) * 2016-08-16 2019-07-09 浙江茉织华印刷股份有限公司 A kind of print system
CN106183366A (en) * 2016-08-25 2016-12-07 北京图文天地制版印刷有限公司 A kind of printer can be with the device of monitoring pH value
CN108607262B (en) * 2018-06-25 2024-04-19 闻喜县嘉美花纸有限公司 Fountain solution circulation processing system
CN108635937B (en) * 2018-06-25 2024-03-29 中山市三铿包装制品有限公司 Fountain solution circulation processing system based on filtration and cooling
CN108854250B (en) * 2018-06-25 2024-02-02 安徽唯宝印刷科技有限公司 Fountain solution circulation processing system based on rapid filtration switching
CN108854245B (en) * 2018-06-25 2023-08-18 广州市程光彩印包装有限公司 Return fountain solution filtering treatment device
CN108635954B (en) * 2018-06-25 2024-02-27 北京信诚世纪科技有限公司 Fountain solution compensation circulation system
CN109649003A (en) * 2019-01-29 2019-04-19 武汉红金龙印务股份有限公司 Ink printer technique water cooling filtration cycle system
CN109572188A (en) * 2019-01-29 2019-04-05 武汉红金龙印务股份有限公司 The solidification of UV printing machine water cooling and ink roller cooling system
CN114801427B (en) * 2022-04-29 2023-05-23 湖南天闻新华印务邵阳有限公司 Method for controlling fountain solution of printing press and refrigerating system

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