CN105159039A - Safety type flexographic plate developing liquid recycling system - Google Patents
Safety type flexographic plate developing liquid recycling system Download PDFInfo
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- CN105159039A CN105159039A CN201510636198.7A CN201510636198A CN105159039A CN 105159039 A CN105159039 A CN 105159039A CN 201510636198 A CN201510636198 A CN 201510636198A CN 105159039 A CN105159039 A CN 105159039A
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- developer solution
- heating
- heater
- conduction oil
- flexographic plate
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Abstract
The invention relates to the technical field of flexographic plate making, in particular to a safety type flexographic plate developing liquid recycling system. The system comprises a heating and distilling system, a condensing system, a storage system and a control system. The heating and distilling system is connected with the condensing system. The condensing system is connected with the storage system. Old developing liquid is heated, distilled and vaporized in the heating and distilling system. The vaporized old developing liquid enters the condensing system to be condensed and finally is stored and collected in the storage system. The control system safely controls the whole recycling system to distill, condense, store and recycle the oil developing liquid. The system can distill and recycle the waste developing liquid generated in the flexo printing process, operation is convenient in the recycling process, and the system is safe and has the advantages of being fireproof, explosive-proof and leakage-proof.
Description
Technical field
The present invention relates to flexo plate-making technology field, specifically a kind of safety-type flexographic plate developer solution recovery system.
Background technology
Flexo hard resin version needs exposure and development two programs in the fabrication process, develops also referred to as flushing.The hard resin space of a whole page is after exposure, and photosensitive areas hardens, and not photosensitive blank parts is unhardened, and the object of development is rinsed by the colloid developer solution of not photosensitive non-graphic part to remove; That felt light is retained on the space of a whole page, meanwhile, keeps certain thickness version base, makes flexographic plate surface presentation bump maps image planes.Developer solution adopts organic solvent preparation, and in flushing process, resin dissolves in developer solution gradually, when the resin dissolved in developer solution is too much, can affect the smooth finish of plate, cause plate surface tack, swells, cause forme to scrap time serious.Therefore, need to change developer solution after developer solution uses a period of time; And old developer solution is all generally be discharged in factory's business system by discharge tube to go, non-serviceable old developer solution can be carried out Distillation recovery to reduce costs.Because old developer solution Distillation recovery temperature is higher, 180 DEG C be reached; And recycling machine adopts the direct heating means of conduction oil, therefore developer solution recovery system must focus on safety, accomplish fire prevention, explosion-proof, anti-leak.
Summary of the invention
The object of this invention is to provide the old developer solution recovery system of a kind of fire prevention, explosion-proof, anti-leak, this recovery system, in old developer solution removal process, owing to taking multi-level safeguard structure, effectively accomplishes fire prevention, explosion-proof, anti-leak.
In order to solve the problem, the technical solution used in the present invention is:
Safety-type flexographic plate developer solution recovery system, it comprises heating Distallation systm, condenser system, stocking system and control system, heating Distallation systm connects condenser system, condenser system connects stocking system, old developer solution adds thermal distillation vaporization in heating Distallation systm, old developer solution after vaporization enters condenser system condensation, and finally stored by storage system and collect, the whole recovery system of control system security control is to the distillation of old developer solution and condensation memory recall.
Described heating Distallation systm, comprise heating distillation body of heater and old developer solution flow in pipes, old developer solution flow in pipes is communicated in heating distillation body of heater, heating distillation body of heater is provided with fluid level gauge, heating distillation lower portion of furnace body is provided with floss hole, heating distillation upper of furnace body is connected to the condenser pipe of condenser system, the outer setting of heating distillation body of heater has heat-insulation layer, interlayer between the outside of heating distillation body of heater and heat-insulation layer is heat conduction grease chamber, utilizes the old developer solution of the conduction oil of conduction oil indoor to heating distillation body of heater to add thermal distillation.
Described heating distillation body of heater is provided with bell, and bell and body of heater adopt flange form to be connected, and composition surface is through mechanical process, and And in addition rubber asbestos plate, as encapsulant, guarantees that heating furnace does not leak.
Described heat conduction grease chamber is provided with conduction oil inlet and conduction oil floss hole, and heat conduction grease chamber is also provided with conduction oil oil level indicator, and the conduction oil of conduction oil indoor is heated by well heater.
The temperature of the conduction oil of described conduction oil indoor passes through thermocouple monitoring.
Described heat conduction grease chamber is also provided with thermal protector and optoelectronic switch, and when the temperature of the conduction oil of conduction oil indoor exceedes setting value, thermal protector and optoelectronic switch are opened in succession, stops well heater work.
Described condenser system, comprises cooling water tank and condenser pipe, fills chilled water in cooling water tank, cooling water tank bottom is provided with cooling-water drain valve, condenser pipe is coiled in cooling water tank, and condenser pipe one end connects heating distillation upper of furnace body, and the other end connects the storage tank of stocking system.Chilled water in cooling water tank enters from cooling water tank top, discharges from cooling-water drain valve after condensing tube condensation, reclaims band cooling Posterior circle and uses, avoid causing waste.In heating distillation body of heater, temperature rises to 180 DEG C, organic solvent vaporization in old developer solution, suction function due to system organic solvent of having vaporized enters condenser pipe, and condenser pipe is cooled the water quench in water tank, and the steam of high temperature organic solvent is cooled to liquid state and enters in hold-up vessel in condenser pipe.
Described stocking system, comprise storage tank and vacuum pump, storage tank is connected by vacuum pipe with vacuum pump, and storage tank is provided with developer solution fluid level gauge and developer solution bleed valve, the condenser pipe be connected between storage tank with cooling water tank is provided with atmospheric valve.Recovery system is when the work of unlatching, and first open vacuum pump, whole system is in negative pressure state.When opening flow in pipes valve, because suction function sucks old developer solution in heating distillation body of heater.By observing fluid level gauge, when adding the old developer solution in heating distillation body of heater and reaching nominal position, closing and injecting old development valve, can start to add thermal distillation.
The vapo(u)rizing temperature of described heating Distallation systm is 175 DEG C ~ 185 DEG C.
Described control system, comprise vacuum meter, timer, alarm, digital readout temperature controller and guidance panel, vacuum pressure, storage tank discharge time of developer solution and the heating-up temperature of conduction oil of storage tank are set by guidance panel, the pressure of vacuum meter display storage tank, timer time opening storage tank discharge developer solution; The conduction oil temperature that digital readout temperature controller display thermocouple monitoring gathers, when the temperature control system that thermopair and digital readout temperature controller form lost efficacy, thermal protector and optoelectronic switch were opened in succession, stoped well heater to work on, and alarm starts reports to the police.Heat conduction grease chamber filling heat-conductive oil, conduction oil is directly heated by electric heater, feeds back to digital readout temperature controller by setting heating-up temperature temperature control by the thermopair inserted in conduction oil.The outdoor face of conduction oil is provided with heat-insulation layer, and conduction oil chamber outer wall is provided with thermal protector, when furnace body temperature is higher than the supply line that automatically can close well heater when 200 DEG C.Conduction oil liquid level can be observed by conduction oil oil level indicator and detect.Conduction oil liquid level is divided into normal temperature, high temperature (working temperature), three liquid levels of reporting to the police, and alarm liquid level is higher than high temperature liquid level 15mm, and in conduction oil alarm liquid level, place is provided with photoelectric detection switch.When the temperature control system of thermopair and digital readout temperature controller composition breaks down, can not temperature control, conduction oil continues to be heated, the volume of conduction oil continues to be expanded to alarm liquid level because of superhigh temperature, when optoelectronic switch detects that conduction oil rises to this position signalling, optoelectronic switch starts immediately, disconnects heater wire device, sounds alarm.
Control system can establish timing control system, according to developer solution composition, sets recovery time of heating, and after setting-up time arrives, closes vacuum pump, open system atmospheric valve, releases and reclaim developer solution.Open the floss hole of heating distillation body of heater, resin remaining after discharging distillation, bell can be opened as required and do cleaning further.
Owing to adopting above-mentioned technical scheme, the present invention compared with prior art, has following beneficial effect:
1, the present invention reclaims the method for waste developing solution, avoids the environmental pollution of directly discharging and causing, and can also reclaim waste developing solution and part organic solvent.
2, flexographic plate developer solution is recycled by system of the present invention, and this system regularly can reclaim flexographic plate developer solution automatically according to the program of control system, do not need manually too much intervention, reduce production cost, reduce the personnel caused because of misoperation in operation yet and injure.
3, heating furnace Oil-temperature control have employed multi level control, warning measure; when thermopair and numerical control temperature control system that temperature controller forms lost efficacy; conduction oil continues to be heated; the volume of conduction oil continues to be expanded to alarm liquid level because of superhigh temperature, and when optoelectronic switch detects that conduction oil rises to this position signalling, optoelectronic switch starts immediately; disconnect heater wire device; sound alarm, guarantee recovery system safety, Accident prevention occurs.The outdoor layer of conduction oil is provided with heat-insulation layer, can economize energy, reduces conduction oil chamber enclosure surface temperature, improves operator safety coefficient.
4, because whole recovery system is that negative pressure is run, when opening old developer solution inlet valve, old developer solution will suck in heating furnace automatically, does not need separately to arrange special charge pump, can realize automatically regularly reclaiming developer solution.
5, bell is connected with body of heater and adopts through mach flange connection, improves sealing property, effectively prevents organic solvent from leaking, also improve the recovery of developer solution.
accompanying drawing explanation
Fig. 1 is safety-type flexographic plate developer solution recovery system schematic diagram;
Fig. 2 is safety-type flexographic plate developer solution recovery system electrical equipment principle schematic;
Title sequence number in figure is:
Bell 1, rubber asbestos plate 2, flow in pipes valve 3, old developer solution flow in pipes 4, heat-insulation layer 5, heat conduction grease chamber 6, fluid level gauge 7, heating distillation body of heater 8, thermal protector 9, conduction oil floss hole 10, floss hole 11, well heater 12, thermopair 13, conduction oil inlet 14, conduction oil oil level indicator 15, optoelectronic switch 16, cooling water tank 17, condenser pipe 18, atmospheric valve 19, timer 20, vacuum meter 21, digital readout temperature controller 22, alarm 23, guidance panel 24, storage tank 25, vacuum pipe 26, developer solution fluid level gauge 27, vacuum pump 28, developer solution bleed valve 29, cooling-water drain valve 30.
Embodiment
Introduce the present invention in order to more detailed, below in conjunction with embodiment and accompanying drawing, the present invention will be further described.
As shown in the figure: safety-type flexographic plate developer solution recovery system of the present invention, it comprises heating Distallation systm, condenser system, stocking system and control system, heating Distallation systm connects condenser system, condenser system connects stocking system, old developer solution adds thermal distillation vaporization in heating Distallation systm, old developer solution after vaporization enters condenser system condensation, and finally stored by storage system and collect, the whole recovery system of control system security control is to the distillation of old developer solution and condensation memory recall.
Described heating Distallation systm, comprise heating distillation body of heater 8 and old developer solution flow in pipes 4, old developer solution flow in pipes 4 is communicated in heating distillation body of heater 8, heating distillation body of heater 8 is provided with fluid level gauge 7, heating distillation body of heater 8 bottom is provided with floss hole 11, heating distillation body of heater 8 top is connected to the condenser pipe 18 of condenser system, the outer setting of heating distillation body of heater 8 has heat-insulation layer 5, interlayer between the outside of heating distillation body of heater 8 and heat-insulation layer 5 is heat conduction grease chamber 6, the old developer solution of the conduction oil in heat conduction grease chamber 6 to heating distillation body of heater 8 is utilized to add thermal distillation.
Described heating distillation body of heater 8 is provided with bell 1, and bell 1 and body of heater adopt flange form to be connected, and in addition rubber asbestos plate 2 seals.
Described heat conduction grease chamber 6 is provided with conduction oil inlet 14 and conduction oil floss hole 10, and heat conduction grease chamber 6 is also provided with conduction oil oil level indicator 15, and the conduction oil in heat conduction grease chamber 6 is heated by well heater 12.
The temperature of the conduction oil in described heat conduction grease chamber 6 is monitored by thermopair 13.
Described heat conduction grease chamber 6 is also provided with thermal protector 9 and optoelectronic switch 16, and when the temperature of the conduction oil in heat conduction grease chamber 6 exceedes setting value, thermal protector 9 and optoelectronic switch 16 are opened in succession, stops well heater 12 to work.
Described condenser system, comprise cooling water tank 17 and condenser pipe 18, chilled water is filled in cooling water tank 17, cooling water tank 18 bottom is provided with cooling-water drain valve 30, condenser pipe 18 is coiled in cooling water tank 17, condenser pipe 18 one end connects heating distillation body of heater 8 top, and the other end connects the storage tank 25 of stocking system.
Described stocking system, comprise storage tank 25 and vacuum pump 28, storage tank 25 is connected by vacuum pipe 26 with vacuum pump 28, storage tank 25 is provided with developer solution fluid level gauge 27 and developer solution bleed valve 29, the condenser pipe 18 be connected between storage tank 25 with cooling water tank 17 is provided with atmospheric valve 19.
The vapo(u)rizing temperature of described heating Distallation systm is 175 DEG C ~ 185 DEG C.
Described control system, comprise vacuum meter 21, timer 20, alarm 23, digital readout temperature controller 22 and guidance panel 24, the vacuum pressure of storage tank 25 is set by guidance panel 24, storage tank 25 discharges the time of developer solution and the heating-up temperature of conduction oil, the pressure of vacuum meter display storage tank 25, timer 20 time opening storage tank discharge developer solution; Digital readout temperature controller 22 shows thermopair 13 and monitors the conduction oil temperature gathered; when the temperature control system that thermopair 13 and digital readout temperature controller 22 form lost efficacy, conduction oil exceeded setting oil level, and thermal protector 9 and optoelectronic switch 16 are opened in succession; stop well heater 12 to work on, alarm 23 starts reports to the police.
Application Example
1, Nanning plate-making company, original flexo hard resin version in the fabrication process, need to change developer solution after developer solution uses a period of time, old developer solution is discharged in factory's business system by discharge tube and goes, quarterly all need to spend to clear up by side of wind up company, each cleaning all needs to draw 2-3 car, per car cost 1000-1200 unit.Employed system of the present invention afterwards, and just needed cleaning every year once, and once cleared up 3-4 car, and the developer solution after reclaiming can be prepared for flexo hard resin version in manufacture again; Reduce the cost clearing up old developer solution, also reduce the input cost of developer solution.
Above-mentioned explanation is not limitation of the present invention, and the present invention is also not limited to above-mentioned example, those skilled in the art, and in essential scope of the present invention, the change made, remodeling, interpolation or replacement, all should belong to protection scope of the present invention.
Claims (10)
1. a safety-type flexographic plate developer solution recovery system, it is characterized in that: comprise heating Distallation systm, condenser system, stocking system and control system, heating Distallation systm connects condenser system, condenser system connects stocking system, old developer solution adds thermal distillation vaporization in heating Distallation systm, old developer solution after vaporization enters condenser system condensation, and finally stored by storage system and collect, the whole recovery system of control system security control is to the distillation of old developer solution and condensation memory recall.
2. safety-type flexographic plate developer solution recovery system according to claim 1, it is characterized in that: described heating Distallation systm, comprise heating distillation body of heater (8) and old developer solution flow in pipes (4), old developer solution flow in pipes (4) is communicated in heating distillation body of heater (8), heating distillation body of heater (8) is provided with fluid level gauge (7), heating distillation body of heater (8) bottom is provided with floss hole (11), heating distillation body of heater (8) top is connected to the condenser pipe (18) of condenser system, the outer setting of heating distillation body of heater (8) has heat-insulation layer (5), interlayer between the outside of heating distillation body of heater (8) and heat-insulation layer (5) is heat conduction grease chamber (6), the old developer solution of the conduction oil in heat conduction grease chamber (6) to heating distillation body of heater (8) is utilized to add thermal distillation.
3. safety-type flexographic plate developer solution recovery system according to claim 2, is characterized in that: described heating distillation body of heater (8) is provided with bell (1), and bell (1) and body of heater adopt flange form to be connected, and in addition rubber asbestos plate (2) seals.
4. safety-type flexographic plate developer solution recovery system according to claim 2, it is characterized in that: described heat conduction grease chamber (6) is provided with conduction oil inlet (14) and conduction oil floss hole (10), heat conduction grease chamber (6) is also provided with conduction oil oil level indicator (15), and the conduction oil in heat conduction grease chamber (6) is by well heater (12) heating.
5. safety-type flexographic plate developer solution recovery system according to claim 3, is characterized in that: the temperature of the conduction oil in described heat conduction grease chamber (6) is by thermopair (13) monitoring.
6. safety-type flexographic plate developer solution recovery system according to claim 3; it is characterized in that: described heat conduction grease chamber (6) is also provided with thermal protector (9) and optoelectronic switch (16); when the temperature of the conduction oil in heat conduction grease chamber (6) exceedes setting value; thermal protector (9) and optoelectronic switch (16) are opened in succession, stop well heater (12) work.
7. safety-type flexographic plate developer solution recovery system according to claim 1, it is characterized in that: described condenser system, comprise cooling water tank (17) and condenser pipe (18), cooling water tank fills chilled water in (17), cooling water tank (18) bottom is provided with cooling-water drain valve (30), condenser pipe (18) is coiled in cooling water tank (17), and condenser pipe (18) one end connects heating distillation body of heater (8) top, and the other end connects the storage tank (25) of stocking system.
8. safety-type flexographic plate developer solution recovery system according to claim 1, it is characterized in that: described stocking system, comprise storage tank (25) and vacuum pump (28), storage tank (25) is connected by vacuum pipe (26) with vacuum pump (28), storage tank (25) is provided with developer solution fluid level gauge (27) and developer solution bleed valve (29), the condenser pipe (18) be connected between storage tank (25) with cooling water tank (17) is provided with atmospheric valve (19).
9. safety-type flexographic plate developer solution recovery system according to claim 1, is characterized in that: the vapo(u)rizing temperature of described heating Distallation systm is 175 DEG C ~ 185 DEG C.
10. safety-type flexographic plate developer solution recovery system according to claim 1, it is characterized in that: described control system, comprise vacuum meter (21), timer (20), alarm (23), digital readout temperature controller (22) and guidance panel (24), vacuum pressure, storage tank (25) discharge time of developer solution and the heating-up temperature of conduction oil of storage tank (25) are set by guidance panel (24), the pressure of vacuum meter display storage tank (25), timer (20) time opening storage tank discharge developer solution; The conduction oil temperature that digital readout temperature controller (22) display thermopair (13) monitoring gathers; when the temperature control system that thermopair (13) and digital readout temperature controller (22) form lost efficacy; conduction oil exceedes setting oil level; thermal protector (9) and optoelectronic switch (16) are opened in succession; stop well heater (12) to work on, alarm (23) starts reports to the police.
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| CN201510636198.7A CN105159039A (en) | 2015-09-30 | 2015-09-30 | Safety type flexographic plate developing liquid recycling system |
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| CN201510636198.7A CN105159039A (en) | 2015-09-30 | 2015-09-30 | Safety type flexographic plate developing liquid recycling system |
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Application publication date: 20151216 |