CN110407958A - A kind of rubber latex demetalization system - Google Patents
A kind of rubber latex demetalization system Download PDFInfo
- Publication number
- CN110407958A CN110407958A CN201910716997.3A CN201910716997A CN110407958A CN 110407958 A CN110407958 A CN 110407958A CN 201910716997 A CN201910716997 A CN 201910716997A CN 110407958 A CN110407958 A CN 110407958A
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- Prior art keywords
- pipeline
- demetalization
- rubber latex
- emulsion
- demulsifier
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
- C08C1/00—Treatment of rubber latex
- C08C1/02—Chemical or physical treatment of rubber latex before or during concentration
- C08C1/04—Purifying; Deproteinising
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F6/00—Post-polymerisation treatments
- C08F6/14—Treatment of polymer emulsions
- C08F6/16—Purification
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention discloses a kind of rubber latex demetalization systems, and suitable for the dehydration of SEBS, SEPS and other rubber latexs, it infuses demulsifier system, electric dehydration system, control system composition by note metal remover system, flood pattern, emulsifying systems；After rubber latex infuses metal remover, water filling, it is sufficiently mixed and is emulsified, under the action of metal remover, metal in rubber forms the complex compound for being dissolved in water, demulsifier is injected in emulsion later, is demulsified, is dehydrated under the action of strong electrical field, during dehydration, system is discharged in metal in rubber latex therewith, realizes desalination purpose.Using the Processes and apparatus, centrifuge dewatering type was obtained compared to traditional, desalting and dewatering efficiency is greatly improved, enhances the continuity for the treatment of process.
Description
Technical field
It is the invention belongs to rubber processing, in particular to a kind of that lower reinforcing rubber lotion is acted on based on electric field and demulsifier
It is dehydrated the integrated system of demetalization process.
Background technique
As Rubber Industry constantly develops to high-endization, largely entered with the rubber product of the high added values such as SEBS and SEPS
People's lives.Thermoplastic elastomer (TPE) SEBS (styrene/ethylene-butylene/styrene block polymer) is thermoplastic elastomer (TPE)
The hydrogenation products of SBS, superior performance are mainly used for covering material, toy, sealing strip, wire and cable, automobile elastomer, work
The fields such as engineering plastics modification, medical material.SEPS is that have the thermoplastic elastic rubber SIS of " green rubber " good reputation to add the height after hydrogen
End ring protects " upgrade version " product, not only remains the excellent application performance of SIS, also supports in heat-resisting, fast light and heat-resisting oxygen of product etc.
It is significantly increased in terms of the ability of environment resistant factor, it is more excellent in terms of the transparency, elasticity.It can allow cosmetics-stage white oil to viscosify,
Cosmetics can be produced；It is added in automobile oil, its winter can be made not glue, summer is not dilute；Can be used as ensures communication cable, optical cable
Moisture-proof, insulation and signal-stabilized filling paste, the interlayer that can be widely used for medical treatment, electrical isolation, food packaging and complex pocket are viscous
It closes, and has one's own knack on metal and plastics bonding；It can also be used in glasses and other optical materials, have good transparent
Property, flexibility and impact resistance.
In view of the performance that SEBS and SEPS are excellent, production technology is also more stringent, wherein always any is exactly cannot
There is the presence of any metal component, especially heavy metal component.
SEBS and SEPS traditional demetalization means are to carry out high speed centrifugation to material using centrifuge, in the work of centrifugal force
Under, metal component is promoted to separate with rubber components, but the treating capacity of separate unit centrifuge is small, a slat gum production line generally requires
Number desk centrifuge works at the same time, and centrifuge is mostly import brand, is involved great expense.Centrifuge is due to high speed rotation, dynamic component
Life cycle is short, need to frequently replace accessory, causes the interruption of production, while having raised production cost.
There is an urgent need to a kind of efficient, low cost rubber demetal process in market.
Summary of the invention
In view of the above technical problems, the present invention proposes a kind of rubber latex demetalization system, by metal remover and demineralized water
It is filled into gum material and forms emulsion, the metal component in rubber emulsion is complexed, is extracted to water phase, is then being demulsified
By water coalescence, sedimentation, the abjection in emulsion under agent and the synergy of high-voltage electrostatic field, metal component leaves with dehydration
System realizes demetalization purpose.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
A kind of rubber latex demetalization system, including emulsification pump, surge tank, electric dehydration tank, glue feed conduit, organic acid source capsule
Road, desalination water pipeline, demulsifier pipeline；The surge tank includes first emulsion import, first emulsion outlet, the first draining
Mouthful；The electric dehydration tank includes second emulsion import, second emulsion outlet, high-voltage electricity intake, low liquid level switch interface, radio frequency
Admittance circle position instrument interface, electric second discharge outlet, High water cut material outlet, material returned sewage draining exit；The glue feed conduit connection
In emulsification pump, the emulsification pump pipeline is connected to the first emulsion import of surge tank, is provided in the first discharge outlet of surge tank
Waterpipe is settled, the first emulsion outlet conduit of surge tank is connected to the second emulsion import of electric dehydration tank, and the second of drain sump
Emulsion outlet is circumscribed with de- rear glue pipeline, and the High water cut material outlet of drain sump is circumscribed with the outer discharge pipe of High water cut feed liquid,
The material returned sewage draining exit of drain sump is circumscribed with material returned blow-off line, and the second discharge outlet of electricity of drain sump is circumscribed with de- rear drainage pipeline,
Organic acid source capsule road and desalination water pipeline are connected to glue feed conduit, and the demulsifier pipeline is connected to buffering
Pipeline between tank and electric dehydration tank.
Scheme as a further preference is provided with note metal remover pump, the desalted water on organic acid source capsule road
Source capsule road is equipped with water injecting pump, and the demulsifier pipeline is equipped with note demulsifier pump.
Scheme as a further preference, pipeline between the surge tank and electric dehydration tank be equipped with static mixer and
Mixing valve.
Scheme as a further preference, the static mixer and the both ends of mixing valve are connected to an attached pipeline, this is attached
There is differential pressure transmitter on pipeline.
Scheme as a further preference, the high-voltage electricity intake are equipped with transformer, the low liquid level switch interface
It is equipped with explosion-proof low liquid level to switch, radio frequency admittance circle position instrument interface is equipped with radio frequency admittance circle position instrument.
Scheme as a further preference, the de- rear drainage pipeline are equipped with boundary position regulating valve.
Compared with prior art, a kind of rubber latex demetalization system of the invention, using water filling, the side of note metal remover
Formula makes the metal component in gum material form the complex compound for being dissolved in water, is then dehydrated in electric dehydrator, metal component
System is discharged together with draining, can realize efficient desalting and dewatering in a continuous manner, realize demetallated purpose.
Detailed description of the invention
Fig. 1 is present system structure chart；
Fig. 2 is buffer tank structure schematic diagram；
Fig. 3 is electric dehydration tank structural schematic diagram；
Wherein, 1- infuses metal remover pump, 2- water injecting pump, 3- emulsification pump, 4- surge tank, the import of 4a- first emulsion, the first cream of 4b-
Liquid outlet, the first discharge outlet of 4c-, 5- infuse demulsifier pump, 6- static mixer, 7- mixing valve, 8- differential pressure transmitter, 9- electric dehydration
Tank, the import of 9a- second emulsion, the outlet of 9b- second emulsion, 9c- high-voltage electricity intake, 9d- low liquid level switch interface, 9f- radio frequency
Admittance circle position instrument interface, the second discharge outlet of 9g-, 9h- High water cut material outlet, 9i- material returned sewage draining exit, 10- transformer, 11-
Explosion-proof low liquid level switch, 12- radio frequency admittance circle position instrument, 13- circle regulating valves, 14- glue feed conduit, 15- organic acid source capsule
Glue pipeline, 20- High water cut feed liquid after road, 16- desalination water pipeline, 17- demulsifier pipeline, 18- sedimentation waterpipe, 19- are de-
Drainage pipeline after outer discharge pipe, 21- material returned blow-off line, 22- are de-.
Specific embodiment
Technical solution of the present invention is described in further detail with specific embodiment with reference to the accompanying drawings of the specification.
The present invention is connected with the production upstream device of gum material, the gum material that dry glue is mixed with solvent (such as hexamethylene)
Enter the present apparatus through glue feed conduit 14, is successively infused the de- gold of 1 injection of demetalization pump on organic acid source capsule road 15 on pipeline
Belong to agent, through on desalination water pipeline 16 water injecting pump 2 inject demineralized water, then gum material (dry glue+solvent), metal remover, remove
Salt water passes through emulsification pump 3 together and is sheared, mixed, emulsified, and in this process, rubber, solvent, metal remover, demineralized water fill
Divide mixing, under the action of demetalization, the metal component in rubber forms the compound that can be dissolved in water, is dissolved in water from rubbery system
In.
Wherein, note demetalization pump 1 is Hydraulic Diaphragm Metering Pump, for injecting metal remover to gum material；Water injecting pump 2 is
Hydraulic Diaphragm Metering Pump or centrifugal pump, for injecting demineralized water to gum material；Emulsification pump 3 is combined by turning the accurate of stator,
Powerful shearing force is generated in high speed rotation to realize mixing, homogeneous, dispersion, emulsification；Surge tank 4 is a vertical vessel, is used
In buffering, rubber emulsion of the sedimentation from emulsification pump.
After mixed emulsion leaves emulsification pump 3, into surge tank 4, the effect of surge tank 4 is carried out temporarily to material
It deposits, might have a small amount of water during temporary and settle, then, interval drains surge tank 4 in pot bottom, should
Operation can be extra in exclusion system in time moisture and mitigate the operating load of downstream electrical dewatering system.Emulsion is in tank
The continuous outlet in top, through pipeline to electric dehydration tank 9.
Before rubber emulsion leaves surge tank 4 and enters electric dehydration tank 9, in the duct by 5 injection of note demulsifier pump
Demulsifier, the rubber emulsion after injecting demulsifier successively pass through static mixer 6 and mixing valve 7, the demulsifier under its effect
It is sufficiently mixed with emulsion, is demulsified to the material of emulsification, promote its layering.It is strong for convenience of mixing is adjusted according to different operating conditions
Degree promotes the mixed effect of demulsifier and emulsifying material, is provided with differential pressure transmitter 8 jointly with static mixer 6, mixing valve 7,
According to the aperture of the big minor adjustment mixing valve 7 of 8 numerical value of differential pressure transmitter, so that the mixing of effectively adjusting demulsifier and material is strong
Degree.
Wherein, note demulsifier pump 5 is Hydraulic Diaphragm Metering Pump, for injecting demulsifier to the rubber emulsion after emulsification；
Hybrid system includes static mixer 6, mixing valve 7, differential pressure transmitter 8, for controlling the mixing of demulsifier and rubber emulsion
Intensity, realization demulsifier and rubber emulsion are sufficiently mixed；
The emulsion for leaving hybrid system enters electric dehydration tank 9 from 9 bottom of electric dehydration tank, and electric dehydration tank 9 is one horizontal with spy
The container of different internals strengthens coalescence, dehydration in high-pressure electrostatic for rubber latex off field, and electric dehydration tank 9 is internally provided with electrode
Plate, top are provided with transformer 10, explosion-proof low liquid level switch 11 and radio frequency admittance circle position instrument 12, transformer 10 and are used for electric dehydration
High-voltage electrostatic field provides power supply in tank, and effect is powered to electrode plate, high voltage electric field is formed it into, in the effect of high voltage electric field
Under, the small water droplets coalescence in material, sedimentation, with feed separation, the metallic compound for being dissolved in water leaves rubbery system therewith, realizes
Demetalization purpose.It is volatile at high temperature due to containing organic solvent (such as hexamethylene) in material, if at the top of electric dehydration tank
Gas-phase space is formed, then easily generating electric spark simultaneously if transformer 10 carries out power transmission to electrode plate in electric dehydration tank at this time
The organic solvent of ignition and blasting volatilization, therefore explosion-proof low liquid level switch 11 is set, constantly monitor liquid circle in electric dehydration tank 9
Position exists if any gas-phase space, then transformer 10 will be unable to normal power supply under the action of explosion-proof low liquid level switch 11, Du
Exhausted security risk.Since under the action of high voltage electric field, water and material realize separation inside electric dehydration tank 9, and water is closeer than material
Degree is big, can be deposited in tank bottom and form water layer, if water layer is too low, water can be very short from the time that grease ending is settled down to tank bottom,
System can be discharged with water in partial material, cause drainage index unqualified, if water layer is excessively high, since water is conductive
, water layer will affect the normal operation of electrode plate (high voltage electric field), and therefore, the oil water interface in tank should have a suitable centre
Value, needs reasonably to control oil water interface.The effect of radio frequency admittance circle position instrument 12 is exactly the grease constantly monitored in electric dehydration tank 9
Flowing line is arranged at boundary position, 9 bottom of electric dehydration tank, and bounded position regulating valve 13 is arranged in flowing line, and when radio frequency admittance circle position, instrument 12 is supervised
Measure oil water interface it is excessively high when, then the aperture of boundary position regulating valve 13 is opened greatly, accelerates draining, boundary is reduced, when radio frequency admittance circle
When position instrument 12 monitors that oil water interface is too low, then the aperture of boundary position regulating valve 13 is reduced, slow down draining, boundary position is improved, with this
The oil water interface in electric dehydration tank 9 is controlled a reasonable position.
9 bottom of electric dehydration tank is additionally provided with the material returned/blowdown pipeline in addition to flowing line is arranged, material returned when convenient for parking
With the operation of blowdown when cleaning.9 middle part of electric dehydration tank is provided with the outer row pipeline of High water cut feed liquid close to electrode Board position, due to height
The property of aqueous feed liquid is neither soluble in the aqueous phase between emulsion and water phase and is also insoluble in material phase, High water cut material one
Denier enters electrode plate (high voltage electric field) due to the electric conductivity of water, will cause electrode plate (high voltage electric field) cisco unity malfunction, at this time
It needs that electric dehydration tank 9 is discharged in High water cut material in time by row pipeline outside High water cut material, guarantees electrode plate (high voltage electric field)
It works normally.
Separately it is arranged in device programmable control system (PLC), all instrument signals, regulating valve, oil water interface state pass
PLC is transported to, various logic is worked out in PLC and controls program, realizes the control to whole system.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not limited to this hair the foregoing is merely a specific embodiment of the invention
Bright, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the present invention
Protection scope within.
Claims (6)
1. a kind of rubber latex demetalization system, it is characterised in that: including emulsification pump (3), surge tank (4), electric dehydration tank (9),
Glue feed conduit (14), organic acid source capsule road (15), desalination water pipeline (16), demulsifier pipeline (17)；The surge tank
It (4) include first emulsion import (4a), first emulsion outlet (4b), the first discharge outlet (4c)；The electric dehydration tank (9) includes the
Two lotion imports (9a), second emulsion export (9b), high-voltage electricity intake (9c), low liquid level switch interface (9d), radio frequency admittance
Boundary's position instrument interface (9f), the second electric discharge outlet (9g), High water cut material outlet (9h), material returned sewage draining exit (9i)；The glue
Feed conduit (14) is connected to emulsification pump (3), and emulsification pump (3) pipeline is connected to the first emulsion import of surge tank (4)
(4a) is provided with sedimentation waterpipe (18), the first emulsion outlet of surge tank (4) in the first discharge outlet (4c) of surge tank (4)
(4b) pipeline is connected to the second emulsion import (9a) of electric dehydration tank (9), and the second emulsion outlet (9b) of drain sump (9) is circumscribed with
Glue pipeline (19) after de-, the High water cut material outlet (9h) of drain sump (9) are circumscribed with the outer discharge pipe (20) of High water cut feed liquid,
The material returned sewage draining exit (9i) of drain sump (9) is circumscribed with material returned blow-off line (21), and the electric discharge outlet (9g) of the second of drain sump (9) is outside
It is connected to de- rear drainage pipeline (22), organic acid source capsule road (15) and desalination water pipeline (16) are connected to glue raw material
Pipeline (14), the demulsifier pipeline (17) are connected to the pipeline between surge tank (4) and electric dehydration tank (9).
2. a kind of rubber latex demetalization system according to claim 1, it is characterised in that: organic acid source capsule road
(15) note metal remover pump (1) is provided on, the desalination water pipeline (16) is equipped with water injecting pump (2), the demulsifier pipe
Road (17) is equipped with note demulsifier pump (5).
3. a kind of rubber latex demetalization system according to claim 1, it is characterised in that: the surge tank (4) and electricity
Pipeline between drain sump (9) is equipped with static mixer (6) and mixing valve (7).
4. a kind of rubber latex demetalization system according to claim 3 or 4, it is characterised in that: the static mixer
(6) it is connected to an attached pipeline with the both ends of mixing valve (7), there are differential pressure transmitter (8) on the attached pipeline.
5. a kind of rubber latex demetalization system according to claim 1, it is characterised in that: the high-voltage electricity intake
(9c) is equipped with transformer (10), and the low liquid level switch interface (9d) is equipped with explosion-proof low liquid level switch (11), the radio frequency
Admittance circle position instrument interface (9f) is equipped with radio frequency admittance circle position instrument (12).
6. a kind of rubber latex demetalization system according to claim 1, it is characterised in that: the de- rear drainage pipeline
(22) it is equipped with boundary's position regulating valve (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910716997.3A CN110407958A (en) | 2019-08-05 | 2019-08-05 | A kind of rubber latex demetalization system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910716997.3A CN110407958A (en) | 2019-08-05 | 2019-08-05 | A kind of rubber latex demetalization system |
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| CN110407958A true CN110407958A (en) | 2019-11-05 |
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| CN201910716997.3A Pending CN110407958A (en) | 2019-08-05 | 2019-08-05 | A kind of rubber latex demetalization system |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107033948A (en) * | 2017-06-08 | 2017-08-11 | 江苏金门能源装备有限公司 | Using the Desalting and Dewatering from Crude Oil equipment and processing method of not same electric field combination application |
| CN206814441U (en) * | 2017-05-23 | 2017-12-29 | 江苏金门能源装备有限公司 | A kind of processing equipment of electric field acceleration extract and separate oil-polluted water |
| CN108117885A (en) * | 2017-12-27 | 2018-06-05 | 中国石油大学(华东) | A kind of bad crude oil inorganic salts organic acid organo-metallic compound combined removal technique of heavy |
-
2019
- 2019-08-05 CN CN201910716997.3A patent/CN110407958A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206814441U (en) * | 2017-05-23 | 2017-12-29 | 江苏金门能源装备有限公司 | A kind of processing equipment of electric field acceleration extract and separate oil-polluted water |
| CN107033948A (en) * | 2017-06-08 | 2017-08-11 | 江苏金门能源装备有限公司 | Using the Desalting and Dewatering from Crude Oil equipment and processing method of not same electric field combination application |
| CN108117885A (en) * | 2017-12-27 | 2018-06-05 | 中国石油大学(华东) | A kind of bad crude oil inorganic salts organic acid organo-metallic compound combined removal technique of heavy |
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