CN107739325A - A kind of equipment and technique of continuous production vulcanization of rubber accelerant disulfide tetra methylthiuram - Google Patents
A kind of equipment and technique of continuous production vulcanization of rubber accelerant disulfide tetra methylthiuram Download PDFInfo
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- CN107739325A CN107739325A CN201710868007.9A CN201710868007A CN107739325A CN 107739325 A CN107739325 A CN 107739325A CN 201710868007 A CN201710868007 A CN 201710868007A CN 107739325 A CN107739325 A CN 107739325A
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C333/00—Derivatives of thiocarbamic acids, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
- C07C333/14—Dithiocarbamic acids; Derivatives thereof
- C07C333/30—Dithiocarbamic acids; Derivatives thereof having sulfur atoms of dithiocarbamic groups bound to other sulfur atoms
- C07C333/32—Thiuramsulfides; Thiurampolysulfides
Abstract
The invention discloses a kind of equipment and technique of continuous production vulcanization of rubber accelerant disulfide tetra methylthiuram, it is related to fine chemical product technical field.The present invention includes solvent tank, dimethylamine tank, curing canister, the solvent tank, dimethylamine tank, curing canister is connected by the upper end charging aperture of pipeline and blending tank respectively, the lower end discharging opening of the blending tank is connected by the lower end charging aperture of pipeline and tower reactor, also include dioxygen water pot, the lower end discharging opening of the dioxygen water pot is pumped into device by segmentation and is connected with the side wall of tower reactor, the discharging opening on the tower reactor top is connected by pipeline with reacting the upper end charging aperture of liquid storage tank, the lower end of the reaction liquid storage tank is connected by pipeline with reverse washing device.The present invention being capable of continuous production vulcanization of rubber accelerant disulfide tetra methylthiuram.
Description
Technical field
The present invention relates to fine chemical product technical field, more particularly, to a kind of continuous production thiofide two
Vulcanize the equipment and technique of tetra methylthiuram.
Background technology
Tetramethylthiuram disulfide is vulcanization of rubber ultra fast accelerator, is thiazole accelerator, can be with other accelerator
It is used in combination, is generally used in combination with accelerant MBT.Mainly for the manufacture of tire, the inner tube of a tyre, rubber overshoes, medical supplies, cable, industrial rubber system
Product etc., it can also be used to bactericide and insecticide agriculturally, also act as lube oil additive.
The production method of vulcanization accelerator tetramethylthiuram disulfide has three kinds substantially：Sodium salt chlorine oxidation process, sodium salt
Hydrogen peroxide oxidation method and the direct hydrogen peroxide oxidation method of organic solvent.At present, sodium salt chlorine oxidation process can produce in process of production
Substantial amounts of brine waste and the tail gas containing chlorine and dimethylamine, it is difficult to handle, heavy contamination, processing cost is high, and chlorine
Gas belongs to toxic articles, safety and environmentally friendly hidden danger in use be present；And although sodium salt hydrogen peroxide oxidation method solves tail gas
Problem, but due to saliferous in waste water, it is difficult to biochemical treatment.Both the above production technology is intermittent production technology, intervalization
Product quality has differences between production batch, and production efficiency is low, and equipment is more, and investment is big.
The content of the invention
In order to make up the deficiencies in the prior art, the invention provides a kind of continuous production vulcanization of rubber accelerant disulfide four
The equipment and technique of methyl thiuram.
The technical solution adopted by the present invention is：
A kind of equipment of continuous production vulcanization of rubber accelerant disulfide tetra methylthiuram, including solvent tank 1, dimethylamine tank 2,
Curing canister 3, the solvent tank 1, dimethylamine tank 2, curing canister 3 pass through the upper endfeed of pipeline and blending tank 4 respectively
Mouth connection, the lower end discharging opening of the blending tank 4 are connected by pipeline with the lower end charging aperture of tower reactor 5, in addition to double
Oxygen water pot 6, the lower end discharging opening of the dioxygen water pot 6 are pumped into device 7 by segmentation and are connected with the side wall of tower reactor 5,
The discharging opening on the top of tower reactor 5 is connected by pipeline with reacting the upper end charging aperture of liquid storage tank 8, the reaction solution
The lower end of storage tank 8 is connected by pipeline with reverse washing device 9.
Preferably, some distributors 51 are provided with the tower reactor 5；The segmentation, which is pumped into device 7, to be included and dioxygen
The dioxygen water pump 71 that the lower end discharging opening of water pot 6 is connected, the dioxygen water pump 71 connects some branch pipes 72 by pipeline, described
Branch pipe 72 is consistent with the quantity of distributor 51, and the branch pipe 72 is connected with distributor 51 respectively.
Preferably, dioxygen water flow valve group 10 is equipped with the branch pipe 72, the dioxygen water-carrying capacity positioned at the top
Valve group 10 is provided with dual control regulating valve, and redox potential meter 11, the oxidation-go back are provided with the tower reactor 5
Former current potential analyzer 11 electrically connects with dual control regulating valve.
Preferably, the reverse washing device 9 includes fixed mount 91, and the lower section of the fixed mount 91 is provided with rinse bath 92,
The upper end of the fixed mount 91 is provided with left carrying roller 93, right carrying roller 94 and the collecting tank between left carrying roller 93 and right carrying roller 94
95, the right carrying roller 94 is drive roll, and right carrying roller 94 is driven by motor；The left end of the fixed mount 91, right-hand member, lower end are equipped with
Guide roller 96, around being equipped with endless filter belt 97 on the left carrying roller 93, right carrying roller 94 and guide roller 96, water in the collecting tank 95
It is flat to be provided with vacuum pan 98, from left to right by being longitudinally provided with some zone isolation plates 99 in the vacuum pan 98, the region every
Collecting tank 95 is divided from plate 99 and is located at and reaction liquid storage tank 8 lower end for some collecting bins 910, the collecting bin 910 of the leftmost side
The lower section for the pipeline being connected, leftmost side the and adjacent thereto lower end of the collecting bin 910 are respectively connected with mother liquor tank 911；Its
The lower end of the remaining collecting bin 910 is all connected with washing lotion tank 912, and the lower end of the washing lotion tank 912 connects water pump by pipeline
913, the water pump 913 connects circulation pipe 914, and the free end of the circulation pipe 914 is respectively positioned on the top of left side collecting bin 910,
The top of the collecting bin 910 of the rightmost side is additionally provided with water-supply-pipe 915.
Preferably, the left end of the collecting tank 95 is provided with seal closure 12, the endless filter belt 97 horizontal through seal closure 12, with
The lower end for the pipeline that reaction liquid storage tank 8 lower end is connected is penetrated in seal closure 12.
Preferably, the solvent tank 1, dimethylamine tank 2, curing canister 3 connect respectively solvent pump 13, diformazan amine pump 14,
Carbon disulfide pump 15, the solvent pump 13, diformazan amine pump 14, carbon disulfide pump 15 connect solvent flux valve group 16, diformazan respectively
Amine flow valve group 17, carbon disulfide flow valve group 18, the solvent flux valve group 16, dimethylamine flow valve group 17, carbon disulfide
Flow valve group 18 connects static mixer 19 by pipeline, and the static mixer 19 connects blending tank 4 by pipeline.
A kind of technique using equipment continuous production vulcanization of rubber accelerant disulfide tetra methylthiuram as described above,
Comprise the following steps：
1）Organic solvent, dimethylamine, carbon disulfide are distinguished into continuous conveying to blending tank 4 to mix；
2）Mixed homogeneous phase solution is continuously pumped into tower reactor 5 from the bottom of tower reactor 5 and is pumped into dress with segmented
Put the 7 hydrogen peroxide reactions being pumped into tower reactor 5；
3）Top overflow of the reacted material through tower reactor 5 reacts the material in liquid storage tank 8 to reacting in liquid storage tank 8
When building up to the middle part of reaction liquid storage tank 8, start to carry out material reverse to the reverse blowing of washing device 9, reverse washing device 9
Washing, completes continuous separation of solid and liquid；
4）Solid drying tetramethylthiuram disulfide finished product.
Preferably, step 1）Middle organic solvent, carbon disulfide, dimethylamine are respectively by solvent pump 13, diformazan amine pump 14, two sulphur
Change carbon pump 15 and be first pumped into static mixer 19, then entered again by pipeline in blending tank 4 and mixed.
Preferably, step 2）In, detected using redox potential meter 11 to whether reaction reaches terminal,
When detecting that reaction reaches terminal, redox potential meter 11 automatically controls dual control regulating valve closure.
Preferably, step 3）In, when reacting the build up of material in liquid storage tank 8 to the middle part for reacting liquid storage tank 8, reaction solution
Storage tank 8 starts the top blowing of collecting bin 910 to the leftmost side, and endless filter belt 97 rotates under the drive of right carrying roller 94, realizes
Separation of solid and liquid, then using the filter residue on the drag flight descaling endless filter belt 97 being provided with right-hand member guide roller 96, filter residue is cleared up
The cleaned groove 92 of endless filter belt 97 in cleaning fluid cleaned, circulated with this, realize continuous separation of solid and liquid.
Compared with prior art, its advantage is the present invention：
1st, the equipment utilization employed in the present invention, solvent tank, dimethylamine tank, curing canister can be utilized to realize to blending tank
Interior continuous feed, successive reaction then is realized using tower reactor, finally realize continuous solid-liquid point using reverse washing device
From so as to realize the function of continuous production vulcanization of rubber accelerant disulfide tetra methylthiuram；Moreover, dioxygen in the present invention
Water, which by segmentation is pumped into device and is pumped into tower reactor and mixed homogeneous phase solution and reacts, ensures that the abundant of chemical reaction
Carry out；
2nd, the terminal of reaction is detected in the present invention using redox potential meter, material peroxidating can be prevented again
Or dysoxidation and cause product quality to fluctuate；
3rd, the present invention in counter flow washing device setting, realize continuous separation of solid and liquid；
4th, in the present invention static mixer setting, the ion reaction of dimethylamine and carbon disulfide can be achieved, and realize homogeneous
Mixing.
Brief description of the drawings
Fig. 1 is the structural representation of the technique of continuous production vulcanization of rubber accelerant disulfide tetra methylthiuram of the present invention
Figure；
Fig. 2 is the section view figure structure schematic representation of reverse washing device in Fig. 1.
In figure：1st, solvent tank, 2, dimethylamine tank, 3, curing canister, 4, blending tank, 5, tower reactor, 6, hydrogen peroxide
Tank, 7, segmentation be pumped into device, 8, reaction liquid storage tank, 9, reverse washing device, 10, dioxygen water flow valve group, 11, oxidationreduction
Potential measurement instrument, 12, seal closure, 13, solvent pump, 14, diformazan amine pump, 15, carbon disulfide pump, 16, solvent flux valve group, 17,
Dimethylamine flow valve group, 18, carbon disulfide flow valve group, 19, static mixer；
51st, distributor, 52, temperature-reducing coil, 53, turbine stirring device, 54, chuck；
71st, dioxygen water pump, 72, branch pipe；
91st, fixed mount, 92, rinse bath, 93, left carrying roller, 94, right carrying roller, 95, collecting tank, 96, guide roller, 97, circulating filtration
Band, 98, vacuum pan, 99, zone isolation plate, 910, collecting bin, 911, mother liquor tank, 912, washing lotion tank, 913, water pump, 914, circulation
Pipe, 915, water-supply-pipe.
Embodiment
As shown in Figure 1, 2, a kind of equipment of continuous production vulcanization of rubber accelerant disulfide tetra methylthiuram, including it is molten
Agent tank 1, dimethylamine tank 2, curing canister 3, solvent tank 1, dimethylamine tank 2, curing canister 3 pass through pipeline and blending tank respectively
4 upper end charging aperture connection, the lower end discharging opening of blending tank 4 are connected by pipeline with the lower end charging aperture of tower reactor 5, also
Including dioxygen water pot 6, the lower end discharging opening of dioxygen water pot 6 is pumped into device 7 by segmentation and is connected with the side wall of tower reactor 5
Logical, the discharging opening on the top of tower reactor 5 is connected by pipeline with reacting the upper end charging aperture of liquid storage tank 8, reacts liquid storage tank 8
Lower end be connected by pipeline with reverse washing device 9.
Some distributors 51 are provided with tower reactor 5, are additionally provided with temperature-reducing coil 52, upper rotating turbine stirring device
53；Chuck 54 is additionally provided with outside tower reactor 5.
Segmentation is pumped into the dioxygen water pump 71 that device 7 includes being connected with the lower end discharging opening of dioxygen water pot 6, dioxygen water pump 71
Some branch pipes 72 are connected by pipeline, branch pipe 72 is consistent with the quantity of distributor 51, and branch pipe 72 is connected with distributor 51 respectively.
Dioxygen water flow valve group 10 is equipped with branch pipe 72, the dioxygen water flow valve group 10 positioned at the top is provided with dual control
Regulating valve, tower reactor 5 is interior to be provided with redox potential meter 11, and redox potential meter 11 is adjusted with dual control
Valve electrically connects.
Reverse washing device 9 includes fixed mount 91, and the lower section of fixed mount 91 is provided with rinse bath 92, and the upper end of fixed mount 91 is set
There are left carrying roller 93, right carrying roller 94 and the collecting tank 95 between left carrying roller 93 and right carrying roller 94, right carrying roller 94 is drive roll, right
Carrying roller 94 is driven by motor, and the left end of fixed mount 91, right-hand member, lower end are equipped with guide roller 96, left carrying roller 93, right carrying roller 94 and is led
It is horizontal in collecting tank 95 to be provided with vacuum pan 98 around being equipped with endless filter belt 97 on to roller 96, pass through from left to right in vacuum pan 98
Longitudinal direction is provided with some zone isolation plates 99, and zone isolation plate 99 divides collecting tank 95 for some collecting bins 910, the collection of the leftmost side
Storehouse 910 is under the lower section for the pipeline being connected with reaction liquid storage tank 8 lower end, collecting bin 910 leftmost side and adjacent thereto
End is respectively connected with mother liquor tank 911；The lower end of remaining collecting bin 910 is all connected with washing lotion tank 912, and the lower end of washing lotion tank 912 passes through
Pipeline connects water pump 913, and water pump 913 connects circulation pipe 914, and the free end of circulation pipe 914 is respectively positioned on the upper of left side collecting bin 910
Side, the function of inversely eluting is realized, the top of the collecting bin 910 of the rightmost side is additionally provided with water-supply-pipe 915.
The left end of collecting tank 95 is provided with seal closure 12, and endless filter belt 97 is horizontal through seal closure 12, with reaction liquid storage tank 8 lower end
The lower end for the pipeline being connected is penetrated in seal closure 12.
Solvent tank 1, dimethylamine tank 2, curing canister 3 connect solvent pump 13, diformazan amine pump 14, carbon disulfide pump respectively
15, solvent pump 13, diformazan amine pump 14, carbon disulfide pump 15 connect solvent flux valve group 16, dimethylamine flow valve group 17, two respectively
Nitric sulfid flow valve group 18, solvent flux valve group 16, dimethylamine flow valve group 17, carbon disulfide flow valve group 18 pass through pipeline
Static mixer 19 is connected, static mixer 19 connects blending tank 4 by pipeline.
A kind of technique using equipment continuous production vulcanization of rubber accelerant disulfide tetra methylthiuram as above, including
Following steps：
1）Organic solvent in solvent tank 1, the dimethylamine in dimethylamine tank 2, the carbon disulfide in curing canister 3 is sharp respectively
Static mixer 19 is first continuously pumped into solvent pump 13, diformazan amine pump 14, carbon disulfide pump 15, is then entered again by pipeline and mixed
Close in tank 4 and mix；Wherein, the organic solvent and the volume ratio of dimethylamine being pumped into blending tank 4 remain 3-15：1；It is pumped into mixed
Close the dimethylamine in tank 4, the mol ratio of carbon disulfide remains 0.8-1.2：1；
2）Mixed homogeneous phase solution is continuously pumped into tower reactor 5 from the bottom of tower reactor 5 and is pumped into dress with segmented
The 7 hydrogen peroxide reactions being pumped into tower reactor 5 are put, reaction temperature is 30-60 DEG C；Meanwhile determined using oxidation-reduction potentials
Instrument 11 detects to whether reaction reaches terminal, and when detecting that reaction reaches terminal, redox potential meter 11 is certainly
Dynamic control dual control regulating valve closure；Wherein, the dimethylamine and the mol ratio of hydrogen peroxide being pumped into per hour in tower reactor 5 be
1：1.0-1.5；
3）Top overflow of the reacted material through tower reactor 5 reacts the material in liquid storage tank 8 to reacting in liquid storage tank 8
When building up to the middle part of reaction liquid storage tank 8, start to the reverse blowing of washing device 9, the material that reacted liquid storage tank 8 is released falls
The endless filter belt 97 of the top of collecting bin 910 of the leftmost side, endless filter belt 97 rotate under the drive of right carrying roller 94, collecting tank
The vacuum pan 98 being provided with 95 makes to produce subnormal ambient in collecting tank 95, accelerates the speed of separation of solid and liquid, through the leftmost side and and its
The mother liquor that adjacent collecting bin 910 is collected is flowed into mother liquor tank 911, is returned through the mother liquor that mother liquor tank 911 is collected into distillation process
Dimethylamine is received, and the cleaning solution collected through washing lotion tank 912 then enters circulation pipe 914, then through the collecting bin to the left of circulation pipe 914
910 top tapping, is filtered using endless filter belt 97, realize reverse elution, finally using being provided with right-hand member guide roller 96
Solid on drag flight descaling endless filter belt 97, the cleaning fluid cleared up in the cleaned groove 92 of endless filter belt 97 of solid are carried out
Cleaning, is circulated with this, repeats separation of solid and liquid；
4）The solid being cleaned out is dried using drying plant produces tetramethylthiuram disulfide finished product, realizes serialization
Produce vulcanization of rubber accelerant disulfide tetra methylthiuram.
In process of production, embodiment one：According to above-mentioned continuous production vulcanization of rubber accelerant disulfide tetramethyl
Step used by the technique of base thiuram, by solvent with 1700L/h, dimethylamine is with 290L/h, and carbon disulfide is with 140L/h's
Flow is pumped into blending tank 4 through static mixer 19, and tower reactor 5 is pumped into measuring pump in the case where keeping liquid level certain,
Hydrogen peroxide in dioxygen water pot 6 divides three sections to be pumped into tower reactor 5 by 128L/h flow, keeps 35 DEG C of reaction temperature, reaction
After end, the solid isolated through reverse washing device 9 is dried using drying plant, quantitative 8 hours materials, altogether output
2.15 tons of the output of vulcanization of rubber accelerant disulfide tetra methylthiuram, the rate of recovery is counted as 97% using dimethylamine, and obtained
The just fusing point of vulcanization of rubber accelerant disulfide tetra methylthiuram finished product is 142.1 DEG C, purity 99.0%.
Embodiment two：Technique according to above-mentioned continuous production vulcanization of rubber accelerant disulfide tetra methylthiuram
Used step, by solvent with 2000L/h, dimethylamine is with 280L/h, and carbon disulfide is with 140L/h flow through static mixing
Device 19 is pumped into blending tank 4, and tower reactor 5 is pumped into measuring pump in the case where keeping liquid level certain, double in dioxygen water pot 6
Oxygen water divides three sections to enter tower reactor by 140L/h flow, after keeping 45 DEG C of reaction temperature, reaction to terminate, through reverse elution
The solid that device 9 is isolated is dried using drying plant, quantitative 8 hours materials, altogether output thiofide two
Vulcanize 2.04 tons of the output of tetra methylthiuram, the rate of recovery is counted as 96% using dimethylamine, and obtained thiofide two
The just fusing point for vulcanizing tetra methylthiuram finished product is 142.5 DEG C, purity 99.2%.
Claims (10)
- A kind of 1. equipment of continuous production vulcanization of rubber accelerant disulfide tetra methylthiuram, it is characterised in that：Including solvent Tank（1）, dimethylamine tank（2）, curing canister（3）, the solvent tank（1）, dimethylamine tank（2）, curing canister（3）Lead to respectively Piping and blending tank（4）The connection of upper end charging aperture, the blending tank（4）Lower end discharging opening pass through pipeline and tower reaction Device（5）The connection of lower end charging aperture, in addition to dioxygen water pot（6）, the dioxygen water pot（6）Lower end discharging opening pass through radially split pump Enter device（7）With tower reactor（5）Side wall be connected, the tower reactor（5）The discharging opening on top by pipeline with React liquid storage tank（8）Upper end charging aperture be connected, the reaction liquid storage tank（8）Lower end pass through pipeline and reverse washing device （9）It is connected.
- 2. the equipment of continuous production vulcanization of rubber accelerant disulfide tetra methylthiuram according to claim 1, it is special Sign is：The tower reactor（5）It is interior to be provided with some distributors（51）；The segmentation is pumped into device（7）Including with hydrogen peroxide Tank（6）The dioxygen water pump that is connected of lower end discharging opening（71）, the dioxygen water pump（71）Some branch pipes are connected by pipeline （72）, the branch pipe（72）With distributor（51）Quantity is consistent, and the branch pipe（72）Respectively with distributor（51）It is connected.
- 3. the equipment of the continuous production vulcanization of rubber accelerant disulfide tetra methylthiuram according to claim requirement 2, It is characterized in that：The branch pipe（72）On be equipped with dioxygen water flow valve group（10）, the dioxygen water-carrying capacity positioned at the top Valve group（10）It is provided with dual control regulating valve, the tower reactor（5）It is interior to be provided with redox potential meter（11）, it is described Redox potential meter（11）Electrically connected with dual control regulating valve.
- 4. the equipment of the continuous production vulcanization of rubber accelerant disulfide tetra methylthiuram according to claim 1 or 3, its It is characterised by：The reverse washing device（9）Including fixed mount（91）, the fixed mount（91）Lower section be provided with rinse bath （92）, the fixed mount（91）Upper end be provided with left carrying roller（93）, right carrying roller（94）With positioned at left carrying roller（93）With right carrying roller （94）Between collecting tank（95）, the right carrying roller（94）For drive roll, driven by motor；The fixed mount（91）Left end, Right-hand member, lower end are equipped with guide roller（96）, the left carrying roller（93）, right carrying roller（94）And guide roller（96）On be circulated throughout around being equipped with Strainer（97）, the collecting tank（95）Interior level is provided with vacuum pan（98）, the vacuum pan（98）Inside pass through longitudinal direction from left to right Provided with some zone isolation plates（99）, the zone isolation plate（99）By collecting tank（95）It is divided into some collecting bins（910）, it is most left The collecting bin of side（910）Positioned at reacting liquid storage tank（8）The lower section for the pipeline that lower end is connected, the leftmost side and with its phase The adjacent collecting bin（910）Lower end is respectively connected with mother liquor tank（911）；Remaining described collecting bin（910）Lower end be all connected with washing Flow container（912）, the washing lotion tank（912）Lower end water pump is connected by pipeline（913）, the water pump（913）Connection circulation Pipe（914）, the circulation pipe（914）Free end be respectively positioned on left side collecting bin（910）Top, the collecting bin of the rightmost side （910）Top be additionally provided with water-supply-pipe（915）.
- 5. the equipment of continuous production vulcanization of rubber accelerant disulfide tetra methylthiuram according to claim 4, it is special Sign is：The collecting tank（95）Left end be provided with seal closure（12）, the endless filter belt（97）Horizontal through seal closure （12）, with the reaction liquid storage tank（8）The lower end for the pipeline that lower end is connected penetrates seal closure（12）It is interior.
- 6. the equipment of the continuous production vulcanization of rubber accelerant disulfide tetra methylthiuram according to claim requirement 5, It is characterized in that：The solvent tank（1）, dimethylamine tank（2）, curing canister（3）Solvent pump is connected respectively（13）, diformazan amine pump （14）, carbon disulfide pump（15）, the solvent pump（13）, diformazan amine pump（14）, carbon disulfide pump（15）Solvent stream is connected respectively Measure valve group（16）, dimethylamine flow valve group（17）, carbon disulfide flow valve group（18）, the solvent flux valve group（16）, diformazan Amine flow valve group（17）, carbon disulfide flow valve group（18）Static mixer is connected by pipeline（19）, the static mixing Device（19）Blending tank is connected by pipeline（4）.
- A kind of 7. work of equipment continuous production vulcanization of rubber accelerant disulfide tetra methylthiuram using described in claim 1 Skill, it is characterised in that：Comprise the following steps：1）Organic solvent, dimethylamine, carbon disulfide are distinguished into continuous conveying to blending tank（4）Mixing；2）Mixed homogeneous phase solution is from tower reactor（5）Bottom be continuously pumped into tower reactor（5）Interior and segmented pump Enter device（7）It is pumped into tower reactor（5）Interior hydrogen peroxide reaction；3）Reacted material is through tower reactor（5）Top overflow to reacting liquid storage tank（8）It is interior, react liquid storage tank（8）It is interior Build up of material to reacting liquid storage tank（8）Middle part when, start to reverse washing device（9）Blowing, reverse washing device（9）It is right Material carries out counter flow washing, completes continuous separation of solid and liquid；4）Solid drying tetramethylthiuram disulfide finished product.
- A kind of 8. work of equipment continuous production vulcanization of rubber accelerant disulfide tetra methylthiuram according to claim 7 Skill, it is characterised in that：Step 1）Middle organic solvent, carbon disulfide, dimethylamine are respectively by solvent pump（13）, diformazan amine pump（14）、 Carbon disulfide pump（15）First it is pumped into static mixer（19）, blending tank is then entered by pipeline again（4）Interior mixing.
- A kind of 9. work of equipment continuous production vulcanization of rubber accelerant disulfide tetra methylthiuram according to claim 7 Skill, it is characterised in that：Step 2）In, utilize redox potential meter（11）Detected to whether reaction reaches terminal, When detecting that reaction reaches terminal, redox potential meter（11）Automatically control dual control regulating valve closure.
- 10. a kind of equipment continuous production vulcanization of rubber accelerant disulfide tetra methylthiuram according to claim 7 Technique, it is characterised in that：Step 3）In, when reaction liquid storage tank（8）Interior build up of material is to reacting liquid storage tank（8）Middle part when, React liquid storage tank（8）Start the collecting bin to the leftmost side（910）Top blowing, endless filter belt（97）In right carrying roller（94）Band Dynamic lower rotation, realizes separation of solid and liquid, then utilizes right-hand member guide roller（96）The drag flight descaling endless filter belt that place is provided with（97）On Filter residue, cleared up the endless filter belt of filter residue（97）Cleaned groove（92）Interior cleaning fluid is cleaned, and is circulated with this, is realized Continuous separation of solid and liquid.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710868007.9A CN107739325B (en) | 2017-09-22 | 2017-09-22 | Equipment and process for continuously producing rubber vulcanization accelerator tetramethyl thiuram disulfide |
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| CN201710868007.9A CN107739325B (en) | 2017-09-22 | 2017-09-22 | Equipment and process for continuously producing rubber vulcanization accelerator tetramethyl thiuram disulfide |
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| CN107739325B CN107739325B (en) | 2020-10-20 |
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| CN112624946A (en) * | 2020-12-30 | 2021-04-09 | 山东尚舜化工有限公司 | Method for synthesizing promoter TMTD by continuous method |
| CN112645859A (en) * | 2020-12-30 | 2021-04-13 | 山东尚舜化工有限公司 | Novel method and equipment for improving dispersity of promoter TMTD |
| CN112624946B (en) * | 2020-12-30 | 2023-07-14 | 山东尚舜化工有限公司 | Method for synthesizing accelerator TMTD by continuous method |
| CN113387858A (en) * | 2021-06-29 | 2021-09-14 | 山东尚舜化工有限公司 | Equipment and method for continuously producing accelerant TMTD |
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| CN107739325B (en) | 2020-10-20 |
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