CN103342831B - A kind of dry glue waste material recovery method - Google Patents
A kind of dry glue waste material recovery method Download PDFInfo
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- CN103342831B CN103342831B CN201310243418.0A CN201310243418A CN103342831B CN 103342831 B CN103342831 B CN 103342831B CN 201310243418 A CN201310243418 A CN 201310243418A CN 103342831 B CN103342831 B CN 103342831B
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- waste material
- glue
- recovery method
- dry glue
- rubber latex
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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- Adhesives Or Adhesive Processes (AREA)
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Abstract
The present invention proposes a kind of dry glue waste material recovery method, the product after shattering, for shattering, mixes with sherwood oil by step, stirs; Solid-liquid separation is realized again by separating centrifuge; By the centrifugal liquid centralized collection obtained, add with volume ratio be 0.1% ammoniacal liquor in order to fresh-keeping obtain regenerate glue.Also comprise with described regeneration glue: natural rubber latex is the volume ratio mixing of 1:2, and add stablizer, promotor, batch mixing made by vulcanizing agent etc., then makes rubber latex thread through series of process step.The rubber latex thread that the recovery glue obtained by the inventive method is prepared is almost consistent with physicals with the parameters of the rubber latex thread that natural emulsion prepares, all in the value range of standard.Illustrate that the recovery glue of the inventive method meets the preparation requirement of rubber latex thread.The method convenient operation, rationally reclaims dry glue waste material, effectively saves production capacity, circulation and stress, make rubber latex thread in order to supply the demand of daily life simultaneously.
Description
Technical field
The present invention relates to waste recovery field, be specifically related to a kind of dry glue waste material recovery method.
Background technology
At present, all there is a common problem in each circular tape latex yarn production firm, that is exactly the dry glue waste material of simple process, also or with lower price sell cheap, although also carried out trial, but the effect of the dry glue waste recovery in circular tape latex yarn R&D and production is still bad, contaminate environment and increase production cost.
Therefore, a kind of method of dry glue waste recovery is badly in need of.
Summary of the invention
The method of the dry glue waste recovery that the object of the present invention is to provide a kind of recovering effect good.
For achieving the above object, the invention provides a kind of dry glue waste material recovery method, it is characterized in that, comprise the steps,
Shatter: dry glue waste material is pulverized through supper micron mill, obtains powdery;
Stir: be that the ratio of 1:2 mixes and scribbles in the iron flask of rustproof layer in 13 tonnes that are positioned over and scribble sealing coat with weight ratio by obtained powdery and sherwood oil, stirring;
Centrifugal: to realize solid-liquid separation by separating centrifuge again;
By the centrifugal liquid centralized collection obtained, add with volume ratio be 0.1% ammoniacal liquor in order to fresh-keeping obtain regenerate glue.
Also comprise the steps, with described regeneration glue: natural rubber latex is the volume ratio mixing of 1:2, and add stablizer, promotor, batch mixing made by vulcanizing agent etc., makes rubber latex thread through series of process step.
Describedly shatter in step that to obtain powdery be the powdery obtaining particle diameter 4-8mm.
In described whipping step, adopt 100 revs/min of high-speed stirring 2 hours.
In described centrifugation step, centrifugation rate is that 3000r/ divides.
The present invention also protects a kind of dry glue waste material recovery method, it is characterized in that, described series of process step is:
Batch mixing stirs: by a certain amount of stablizer, promotor, vulcanizing agent, anti-aging agent and regeneration glue: natural emulsion volume ratio be 1:2 mixture together with put into the iron flask scribbling rustproof layer, after 2 hours 50 revs/min of high-speed stirring, cool froth breaking after utilizing high pressure homogenizer homogeneous and obtain sizing material;
Extrusion molding: be that 1.80cm Glass tubing is expressed into acid tank by diameter by above-mentioned steps gained sizing material, what put in acid tank is acetic acid, and this acid tank concentration is controlled, 30%, to obtain circular tape latex yarn;
Tank is washed: by 4 tanks by described circular tape latex yarn disacidify, the temperature of each tank controls 70 DEG C;
Dry removal moisture content: by the loft drier of the circular tape latex yarn of gained disacidify by being about 30 meters, loft drier temperature controls at 120 DEG C;
Vulcanization crosslinking: by the curing cage of dry circular tape latex yarn by being about 30 meters of gained, curing cage temperature controls at 130 DEG C;
Fall case: fall case packing.
Described stablizer is potassium hydroxide;
Optionally, described promotor is 2-thiol benzothiazole zinc salt and zinc dibutyl dithiocarbamate;
Optionally, described vulcanizing agent is sulphur;
Optionally, described anti-aging agent is IONOL LC, and the product of p-cresol and the reaction of dicyclopentadiene butylation, its No. CAS is 68610-51-5.
The parts by weight of described stablizer are 0.6-0.9, and promotor is the 2-thiol benzothiazole zinc salt of 1 weight part and the zinc dibutyl dithiocarbamate of 0.5 weight part; Vulcanizing agent is the sulphur of 1.3 weight parts; The IONOL LC of 1.5 weight parts; The regeneration glue of 100 weight parts: natural emulsion volume ratio is 1:2 mixture.
The present invention also protects a kind of preparation method of rubber latex thread, comprises the step of the regenerate ammonia using described arbitrary recovery method to obtain.
The rubber latex thread that the present invention also protects described preparation method to obtain.
Method of the present invention can effectively utilize dry glue waste material to be recycled latex, makes it reach regeneration, is applied to production, then make rubber latex thread, and physicals not too large impact.Concrete grammar is as follows:
First this be that the dry glue waste material of solid is transformed into liquid by this technology,
1, shatter: dry glue waste material is ground into through supper micron mill the powdery that particle diameter is 4-8mm,
2, stir: powdery step 1 obtained again and sherwood oil are that the ratio of 1:2 mixes in 13 tonnes that are positioned over and scribble sealing coat and scribbles (tankage factory of Liaoyang City of Liaoning Province in the iron flask of rustproof layer with weight ratio, model: F10000L), with 100 revs/min of high-speed stirring 2 hours.
Described sherwood oil is colourless transparent liquid, has kerosene smell.Be mainly the mixture of pentane and hexane.Water insoluble, be dissolved in most organic solvents such as dehydrated alcohol, benzene, chloroform, oils.Inflammable and explosive, can kickback with oxygenant.Main as solvent and grease process.Usually obtain through fractionation, hydrogenation or additive method with platformate raffinate or straight-run spirit.
3, centrifugal: again by the SG type separating centrifuge of good farmland, Zhangjagang City Machinery Manufacturing Co., Ltd. production after stirring, be in the process of 3000r/ min high speed rotating with speed, the motion caused by centrifugal force makes the solid matter be suspended in liquid form precipitation, namely in suspension body fluid, quality or the larger object of volume move to the direction that rotary head radius is maximum, and the part of quality or small volume is deposited on the nearer place of rotary head radius.Thus realize liquid-solid separation.
4, by the centrifugal liquid centralized collection obtained, adding with volume ratio is that the ammoniacal liquor of 0.1% is in order to fresh-keeping.By the regeneration glue with the fresh-keeping gained of ammoniacal liquor obtained to regenerate glue: the part by weight of natural rubber latex (production of Hainan caoutchouc industry Group Plc)=1:2 is mixed to get mixing and reclaims latex, add various stablizer, promotor, batch mixing made by vulcanizing agents etc., makes rubber latex thread by following processing step.
Concrete technology is as follows:
Batch mixing stirs: by a certain amount of stablizer, promotor, vulcanizing agent, anti-aging agent and regeneration glue: natural emulsion volume ratio be 1:2 mixture together with put into the iron flask scribbling rustproof layer, after 2 hours 50 revs/min of high-speed stirring, cool froth breaking after utilizing high pressure homogenizer homogeneous and obtain sizing material;
Extrusion molding: be that 1.80cm Glass tubing is expressed into acid tank by diameter by above-mentioned steps gained sizing material, what put in acid tank is acetic acid, and this acid tank concentration is controlled, 30%, to obtain circular tape latex yarn;
Tank is washed: by 4 tanks by described circular tape latex yarn disacidify, the temperature of each tank controls 70 DEG C;
Dry removal moisture content: by the loft drier of the circular tape latex yarn of gained disacidify by being about 30 meters, loft drier temperature controls at 120 DEG C;
Vulcanization crosslinking: by the curing cage of dry circular tape latex yarn by being about 30 meters of gained, curing cage temperature controls at 130 DEG C;
Fall case: fall case packing.
Described stablizer is potassium hydroxide; The parts by weight of described stablizer are 0.6-0.9;
Optionally, described promotor is 2-thiol benzothiazole zinc salt and zinc dibutyl dithiocarbamate; Be specially the 2-thiol benzothiazole zinc salt of 1 weight part and the zinc dibutyl dithiocarbamate of 0.5 weight part;
Optionally, described vulcanizing agent is sulphur; Vulcanizing agent is the sulphur of 1.3 weight parts;
Optionally, described anti-aging agent is IONOL LC, and the product of p-cresol and the reaction of dicyclopentadiene butylation, its No. CAS is 68610-51-5.Be specially the IONOL LC of 1.5 weight parts.The regeneration glue of 100 weight parts: natural emulsion volume ratio is 1:2 mixture.
The method convenient operation, utilize the basic equipment of rubber latex thread production plant, dry glue waste material is rationally reclaimed, instead of sell cheap, effective saving production capacity, circulation and stress, makes rubber latex thread in order to supply the demand of daily life, so just can realize practical value and the economic worth of circular tape latex yarn better.
The present inventor has carried out obtaining by natural emulsion and this technology reclaiming the physical data that latex reprocesses the rubber latex thread obtained and comparing, the results are shown in Table 1, as can be seen from Table 1, the rubber latex thread that the recovery glue obtained by the inventive method is prepared is almost consistent with physicals with the parameters of the rubber latex thread that natural emulsion prepares, all in the value range of standard.Illustrate that the recovery glue of the inventive method meets the preparation requirement of rubber latex thread.
Embodiment
Embodiment described below is exemplary, is intended to for explaining the present invention, and can not be interpreted as limitation of the present invention.Unreceipted concrete technology or condition person in embodiment, according to the technology described by the document in this area or condition or carry out according to product description.Agents useful for same or the unreceipted production firm person of instrument, being can by the conventional products of commercial acquisition.
embodiment 1:dry glue waste recovery and rubber latex thread preparation
Shatter: dry glue waste material is pulverized through supper micron mill, obtains powdery;
Stir: be that the ratio of 1:2 mixes and scribbles in the iron flask of rustproof layer in 13 tonnes that are positioned over and scribble sealing coat with weight ratio by obtained powdery and sherwood oil, stirring;
Centrifugal: to realize solid-liquid separation by separating centrifuge again;
By the centrifugal liquid centralized collection obtained, add with volume ratio be 0.1% ammoniacal liquor in order to fresh-keeping obtain regenerate glue;
Regeneration glue: natural rubber latex is that the volume ratio of 1:2 is mixed to get mixture.
Processing step:
Batch mixing stirs: by stablizer (potassium hydroxide, the parts by weight of 0.6), promotor (MZ:2-thiol benzothiazole zinc salt, the parts by weight of 1 and BZ: zinc dibutyl dithiocarbamate, the parts by weight of 0.5), vulcanizing agent (sulphur, the parts by weight of 1.3), anti-aging agent (IONOL LC chemical descriptor: the product of p-cresol and the reaction of dicyclopentadiene butylation.No. CAS: 68610-51-5 registration: EINECS, TSCA, MITI No. HS: 2,907 2990, the parts by weight of 1.5, be purchased from Chinese Medicine Foreign Trade Company) with the regeneration glue of 100 weight parts: natural emulsion volume ratio is put into the iron flask scribbling rustproof layer together with 1:2 mixture, after 2 hours 50 revs/min of high-speed stirring, cool froth breaking after utilizing high pressure homogenizer homogeneous and obtain sizing material;
Extrusion molding: be that 1.80cm Glass tubing is expressed into acid tank by diameter by above-mentioned steps gained sizing material, what put in acid tank is acetic acid, and this acid tank concentration is controlled, 30%, to obtain circular tape latex yarn;
Tank is washed: by 4 tanks by described circular tape latex yarn disacidify, the temperature of each tank controls 70 DEG C;
Dry removal moisture content: by the loft drier of the circular tape latex yarn of gained disacidify by being about 30 meters, loft drier temperature controls at 120 DEG C;
Vulcanization crosslinking: by the curing cage of dry circular tape latex yarn by being about 30 meters of gained, curing cage temperature controls at 130 DEG C;
Fall case: fall case packing.
Embodiment 2: dry glue waste recovery and latex preparation
Shatter: dry glue waste material is pulverized through supper micron mill, obtains powdery;
Stir: be that the ratio of 1:2 mixes and scribbles in the iron flask of rustproof layer in 13 tonnes that are positioned over and scribble sealing coat with weight ratio by obtained powdery and sherwood oil, stirring;
Centrifugal: to realize solid-liquid separation by separating centrifuge again;
By the centrifugal liquid centralized collection obtained, add with volume ratio be 0.1% ammoniacal liquor in order to fresh-keeping obtain regenerate glue;
Regeneration glue: natural rubber latex is that the volume ratio of 1:2 is mixed to get mixture.
Processing step:
Batch mixing stirs: by stablizer (potassium hydroxide, the parts by weight of 0.9), promotor (MZ:2-thiol benzothiazole zinc salt, the parts by weight of 1 and BZ: zinc dibutyl dithiocarbamate, the parts by weight of 0.5), vulcanizing agent (sulphur, the parts by weight of 1.3), anti-aging agent (IONOL LC chemical descriptor: the product of p-cresol and the reaction of dicyclopentadiene butylation.No. CAS: 68610-51-5 registration: EINECS, TSCA, MITI No. HS: 2,907 2990, the parts by weight of 1.5, be purchased from Chinese Medicine Foreign Trade Company) with the regeneration glue of 100 weight parts: natural emulsion volume ratio is put into the iron flask scribbling rustproof layer together with 1:2 mixture, after 2 hours 50 revs/min of high-speed stirring, cool froth breaking after utilizing high pressure homogenizer homogeneous and obtain sizing material;
Extrusion molding: be that 1.80cm Glass tubing is expressed into acid tank by diameter by above-mentioned steps gained sizing material, what put in acid tank is acetic acid, and this acid tank concentration is controlled, 30%, to obtain circular tape latex yarn;
Tank is washed: by 4 tanks by described circular tape latex yarn disacidify, the temperature of each tank controls 70 DEG C;
Dry removal moisture content: by the loft drier of the circular tape latex yarn of gained disacidify by being about 30 meters, loft drier temperature controls at 120 DEG C;
Vulcanization crosslinking: by the curing cage of dry circular tape latex yarn by being about 30 meters of gained, curing cage temperature controls at 130 DEG C;
Fall case: fall case packing.
embodiment 3:effect detection is tested
Detection method refers to HG/T 2487-2011, and standard refers to HG/T 2889-2011.
Detected result is in table 1
As can be seen from Table 1, the present invention obtain rubber latex thread almost identical with each physical parameter of the rubber latex thread that natural emulsion obtains, all in standard range, absolutely prove and the latex conformance with standard that the present invention obtains meet the demand of technique.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, those of ordinary skill in the art can change above-described embodiment within the scope of the invention when not departing from principle of the present invention and aim, revising, replacing and modification.
Claims (9)
1. a dry glue waste material recovery method, is characterized in that, comprise the steps,
Pulverize: dry glue waste material is pulverized through supper micron mill, obtains powdery;
Stir: be that the ratio of 1:2 mixes and scribbles in the iron flask of rustproof layer in 13 tonnes that are positioned over and scribble sealing coat with weight ratio by obtained powdery and sherwood oil, stirring;
Centrifugal: to realize solid-liquid separation by separating centrifuge again;
By the centrifugal liquid centralized collection obtained, add volume ratio be 0.1% ammoniacal liquor in order to fresh-keeping obtain regenerate glue;
With described regeneration glue: natural rubber latex is the volume ratio mixing of 1:2, and add stablizer, promotor, vulcanizing agent, batch mixing made by anti-aging agent, makes rubber latex thread through series of process step;
Described series of process step is:
Batch mixing stirs: by a certain amount of stablizer, promotor, vulcanizing agent, anti-aging agent and regeneration glue: natural emulsion volume ratio be 1:2 mixture together with put into the iron flask scribbling rustproof layer, after stirring 2 hours at 50 revs/min, cool froth breaking after utilizing high pressure homogenizer homogeneous and obtain sizing material;
Extrusion molding: be that 1.80cm Glass tubing is expressed into acid tank by diameter by above-mentioned steps gained sizing material, what put in acid tank is acetic acid, and this acid tank concentration is controlled, 30%, to obtain circular tape latex yarn;
Tank is washed: by 4 tanks by described circular tape latex yarn disacidify, the temperature of each tank controls at 70 DEG C;
Dry removal moisture content: by the loft drier of the circular tape latex yarn of gained disacidify by long 30 meters, loft drier temperature controls at 120 DEG C;
Vulcanization crosslinking: by the curing cage of the dry circular tape latex yarn of gained by long 30 meters, curing cage temperature controls at 130 DEG C;
Fall case: fall case packing.
2. the dry glue waste material recovery method of claim 1, is characterized in that, obtaining powdery in described pulverising step is the powdery obtaining particle diameter 4-8mm.
3. the dry glue waste material recovery method of claim 1, is characterized in that, in described whipping step, adopts 100 revs/min to stir 2 hours.
4. the dry glue waste material recovery method of claim 1, is characterized in that, in described centrifugation step, centrifugation rate is that 3000r/ divides.
5. the dry glue waste material recovery method of claim 1, is characterized in that, described stablizer is potassium hydroxide.
6. the dry glue waste material recovery method of claim 1, is characterized in that, described promotor is 2-thiol benzothiazole zinc salt and zinc dibutyl dithiocarbamate.
7. the dry glue waste material recovery method of claim 1, is characterized in that, described vulcanizing agent is sulphur.
8. the dry glue waste material recovery method of claim 1, is characterized in that, described anti-aging agent is IONOL LC, and it is the product of p-cresol and the reaction of dicyclopentadiene butylation, and its No. CAS is 68610-51-5.
9. the dry glue waste material recovery method of claim 1, is characterized in that, the parts by weight of described stablizer are 0.6-0.9, and promotor is the 2-thiol benzothiazole zinc salt of 1 weight part and the zinc dibutyl dithiocarbamate of 0.5 weight part; Vulcanizing agent is the sulphur of 1.3 weight parts; Anti-aging agent is the IONOL LC of 1.5 weight parts, the product of p-cresol and the reaction of dicyclopentadiene butylation; The regeneration glue of 100 weight parts and the mixture of natural emulsion, wherein regenerate glue: natural emulsion volume ratio is 1:2.
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| CN104387641B (en) * | 2014-12-17 | 2016-06-01 | 江西省万载橡塑有限公司 | A kind of modified rubber powder and its preparation method |
| CN113550024B (en) * | 2021-06-24 | 2022-03-11 | 中国热带农业科学院农产品加工研究所 | Preparation method of superfine high-elastic latex yarn |
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| CN102181955B (en) * | 2011-03-18 | 2013-07-10 | 开平市嘉仁乳胶设备制造有限公司 | Heat energy recovery device of heat water system for producing superfine and high-elastic rubber latex thread |
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