CN204369788U - A kind of neodymium system rare earth polybutadiene rubber poly-unit and feed system thereof - Google Patents
A kind of neodymium system rare earth polybutadiene rubber poly-unit and feed system thereof Download PDFInfo
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- CN204369788U CN204369788U CN201420761117.7U CN201420761117U CN204369788U CN 204369788 U CN204369788 U CN 204369788U CN 201420761117 U CN201420761117 U CN 201420761117U CN 204369788 U CN204369788 U CN 204369788U
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- 229910052779 Neodymium Inorganic materials 0.000 title claims abstract description 52
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 title claims abstract description 51
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 30
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 30
- 229920002857 polybutadiene Polymers 0.000 title claims abstract description 27
- 230000032683 aging Effects 0.000 claims abstract description 85
- 239000004411 aluminium Substances 0.000 claims abstract description 50
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 50
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 50
- 239000003054 catalyst Substances 0.000 claims abstract description 45
- 230000003068 static effect Effects 0.000 claims abstract description 40
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 29
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 28
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims abstract description 25
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000000460 chlorine Substances 0.000 claims abstract description 25
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 25
- 239000001257 hydrogen Substances 0.000 claims abstract description 25
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 25
- 238000002156 mixing Methods 0.000 claims abstract description 18
- 238000010926 purge Methods 0.000 claims description 25
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 20
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 150000001206 Neodymium Chemical class 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 230000000903 blocking effect Effects 0.000 description 6
- 230000029087 digestion Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 238000000151 deposition Methods 0.000 description 5
- 230000008021 deposition Effects 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 5
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical group C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000037048 polymerization activity Effects 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 238000010092 rubber production Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 101001018064 Homo sapiens Lysosomal-trafficking regulator Proteins 0.000 description 1
- 102100033472 Lysosomal-trafficking regulator Human genes 0.000 description 1
- 235000010703 Modiola caroliniana Nutrition 0.000 description 1
- 244000038561 Modiola caroliniana Species 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000029936 alkylation Effects 0.000 description 1
- 238000005804 alkylation reaction Methods 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 229920003193 cis-1,4-polybutadiene polymer Polymers 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- ACOLQZDYRBEHEV-UHFFFAOYSA-K decanoate;neodymium(3+) Chemical compound [Nd+3].CCCCCCCCCC([O-])=O.CCCCCCCCCC([O-])=O.CCCCCCCCCC([O-])=O ACOLQZDYRBEHEV-UHFFFAOYSA-K 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010006 flight Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 238000004148 unit process Methods 0.000 description 1
Abstract
A kind of neodymium system rare earth polybutadiene rubber poly-unit and feed system thereof, this neodymium system rare earth polybutadiene rubber poly-unit comprises feed system and polymerization reaction kettle, this feed system, comprise: static mixer, be communicated with catalyst reservoir by the first pipeline, described catalyst reservoir, for being stored as hydrogen aluminium and the chlorine aluminium of catalyzer, described first pipeline being respectively arranged with hydrogen aluminium and adding mouth and chlorine aluminium interpolation mouth; Aging tank, be connected with described static mixer by the second pipeline, described second pipeline there is neodymium agent add mouth, hydrogen aluminium in catalyst reservoir, chlorine aluminium inject described static mixer according to a setting proportioning through described first pipeline, after described static mixer mixing, with add from described neodymium agent neodymium agent that mouth adds after described second pipeline mixes together with inject from described aging tank top, be uniformly mixed by described aging tank, after ageing, from the discharge port of aging tank out, polymerization reaction kettle is entered.
Description
Technical field
The utility model relates to a kind of neodymium system rare earth polybutadiene rubber polymerization production device, particularly a kind of can promote polymerization activity center better generation, save catalyst levels and ensure the neodymium system rare earth polybutadiene rubber poly-unit that stable polymerization reaction is run and feed system thereof.
Background technology
In neodymium system rare earth polybutadiene rubber production process, three kinds of catalyzer need mixing, ageing for some time could form active centre, but chlorine aluminium, hydrogen aluminium mixed solution contact with neodymium agent and unavoidably can produce mauve flocculent precipitate, and this throw out is proved to be a kind of active centre of initiated polymerization.Be prior art rare earth polybutadiene rubber catalyst feed systems structural representation see Fig. 1, Fig. 1.During normal production, catalyzer hydrogen aluminium 3 and chlorine aluminium 4 inject rare earth catalyst feed system according to a certain ratio, after static mixer 1 mixes 5min, mix at pipeline with the solution of neodymium agent 5, in static mixer 2 and subsequent pipeline mixing ageing after 10 ~ 15 minutes, inject reactor 6.For convenience of dismounting and energy isolation, pipeline, valve, mixing tank all adopt Flange joint.In neodymium system rare earth polybutadiene rubber production process, catalyst aging thing unavoidably produces flocculent precipitate, constantly accumulate at catalyst feed systems and cause the minimizing of polymeric kettle chain carrier, reaction downslide gradually, polyreaction fluctuation, time serious, catalyst feed line blocking is serious, catalyzer pump pressure is high, and polymerization is stopped.
Throw out is produced neodymium system rare earth polybutadiene rubber following impact:
1) throw out is easily in entry mixers and subsequent pipeline deposition, active centre in polymeric kettle is caused to reduce, reaction is glided, wherein, active centre is the transition metal of neodymium caprate after alkylation, chlorination, divinyl is coordination addition on active centre, causes the reaction of divinyl generation tactic polymerization, generates high-cis structuring polymer long-chain---cis-1,4-polybutadiene rubber;
2) throw out accumulated in catalyst feed line is brought into or heads into polymeric kettle, can make the rapid grow of polyreaction, causes reaction fluctuation.
3) catalyst charge mixing tank and pipeline blocking serious, can cause that catalyst pump pressure is high, shakiness looked up and down by catalyzer, polyreaction fluctuation is even forced to stop.
In a word, the throw out that rare earth catalyst produces in ageing process has become the subject matter of restriction neodymium system rare earth polybutadiene rubber continuous and stable production.
Prior art
1 static mixer
2 static mixers
3 hydrogen aluminium
4 chlorine aluminium
5 neodymium agent
6 reactors
The utility model
10 static mixers
11 first pipelines
12 hydrogen aluminium add mouth
13 chlorine aluminium add mouth
14 mixing tank bodys
15 flights
20 catalyst reservoir
30 aging tanks
31 second pipelines
Mouth is added in 32 neodymium agent
33 tank bodies
331 tank body open tops
332 discharge ports
34 the 3rd pipelines
35 covers
351 safety vent holes
36 opening for feeds
37 agitators
38 actuating units
381 motors
382 shaft couplings
383 bearing supports
384 step-down gears
40 polymerization reaction kettles
50 purge oil lines
51 mass flowmeters
52 control valves
60 nitrogen pipelines
70 neodymium agent pipelines
Utility model content
Technical problem to be solved in the utility model is for prior art the problems referred to above, there is provided a kind of and improve neodymium system rare earth polybutadiene rubber catalyst charge mode, eliminate throw out at the neodymium system rare earth polybutadiene rubber poly-unit of the deposition of feeding line and feed system thereof.
To achieve these goals, the utility model provides the feed system of a kind of neodymium system rare earth polybutadiene rubber poly-unit, comprising:
Static mixer, is communicated with the catalyst reservoir of chlorine aluminium with the hydrogen aluminium for being stored as catalyzer by the first pipeline, described first pipeline is respectively arranged with hydrogen aluminium and adds mouth and chlorine aluminium interpolation mouth;
Aging tank, be connected with described static mixer by the second pipeline, described second pipeline there is neodymium agent add mouth, described static mixer is injected according to the hydrogen aluminium of a setting proportioning, chlorine aluminium through described first pipeline in catalyst reservoir, after described static mixer mixing, with add from described neodymium agent neodymium agent that mouth adds after described second pipeline mixes together with inject from described aging tank top, be uniformly mixed by described aging tank, after ageing, from the discharge port of described aging tank out, polymerization reaction kettle is entered.
Above-mentioned feed system, wherein, described aging tank comprises:
Tank body, described tank body is provided with tank body open top and described discharge port, and described discharge port is communicated with described polymerization reaction kettle by the 3rd pipeline;
Cover, to be arranged in described tank body open top and to seal described tank body open top;
Opening for feed, with described second pipeline connection, is arranged on described tank body or described cover;
Agitator, is arranged in described tank body;
Actuating unit, to be arranged on described cover and to be connected with described agitator.
Above-mentioned feed system, wherein, described agitator is paddle agitator, and the top of described paddle agitator is connected with described actuating unit through described tank body open top, the axis of described paddle agitator and the axis coaxle of described tank body.
Above-mentioned feed system, wherein, described tank body, cover and described agitator are stainless steel part.
Above-mentioned feed system, wherein, described actuating unit comprises motor, shaft coupling, bearing support and step-down gear, and described motor is arranged on described cover by described bearing support, and described motor is connected with described agitator with shaft coupling by described step-down gear.
Above-mentioned feed system, wherein, the shaft seal of described bearing support is mechanical sealing member or packing seal element.
Above-mentioned feed system, wherein, described cover is provided with thermometer hole, pressure tap and/or safety vent hole.
Above-mentioned feed system, wherein, described static mixer comprises mixing tank body and is arranged on the flight in described mixing tank body, and described flight comprises left-handed dice and dextrorotation dice, and described left-handed dice and dextrorotation dice successively interval arrange along described body axis direction.
Above-mentioned feed system, wherein, described first pipeline, between the second pipeline with described static mixer, described second pipeline is connected respectively by flange seal with between described tank body.
Above-mentioned feed system, wherein, also comprises purge oil line, and one end of described purge oil line and described second pipeline connection are also positioned at before described neodymium agent adds mouth, and the other end of described purge oil line is communicated with the discharge port of described aging tank.
Above-mentioned feed system, wherein, also comprises nitrogen pipeline, and described nitrogen pipeline and described first pipeline connection are also positioned at described hydrogen aluminium and add before mouth and chlorine aluminium adds mouth.
In order to realize above-mentioned purpose better, the utility model additionally provides a kind of neodymium system rare earth polybutadiene rubber poly-unit, comprises feed system and polymerization reaction kettle, and wherein, described feed system is above-mentioned feed system.
Technique effect of the present utility model is:
1) good reliability, structure is simple, with low cost, be easy to promote;
2) deposition of ageing throw out at catalyst feed systems can be eliminated;
3) be conducive to promoting the generation at polymerization activity center, saving catalyst levels, and polyreaction intensity can be ensured, production continuous and stable is run;
4) the catalyst aging time can well be regulated, promote that polyreaction is better carried out.
In a word, the utility model improves current neodymium system rare earth polybutadiene rubber catalyst charge and aging.Eliminate catalyst aging throw out in neodymium system rare earth polybutadiene rubber production process and, on the impact of polyreaction, can effectively regulate the catalyst aging time, really realize neodymium system rare earth polybutadiene rubber continuously, stable, High-efficient Production.
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail, but not as to restriction of the present utility model.
Accompanying drawing explanation
Fig. 1 is prior art rare earth polybutadiene rubber catalyst feed systems structural representation;
Fig. 2 is neodymium system of the present utility model rare earth polybutadiene rubber poly-unit structural representation;
Fig. 3 is aging tank structural representation of the present utility model;
Fig. 4 is static mixer structure schematic diagram of the present utility model.
Wherein, Reference numeral
Embodiment
Below in conjunction with accompanying drawing, structural principle of the present utility model and principle of work are described in detail:
Be neodymium system of the present utility model rare earth polybutadiene rubber poly-unit structural representation see Fig. 2, Fig. 2.Neodymium system of the present utility model rare earth polybutadiene rubber poly-unit, comprise feed system and polymerization reaction kettle 40, because of this polymerization reaction kettle 40 structure, function, principle of work and be more ripe prior art with the mode of connection etc. of feed system, therefore do not repeat at this, only feed system of the present utility model is described in detail below.
The feed system of neodymium system of the present utility model rare earth polybutadiene rubber poly-unit, comprising:
Static mixer 10, is communicated with catalyst reservoir 20 by the first pipeline 11, and described catalyst reservoir 20, for being stored as hydrogen aluminium and the chlorine aluminium of catalyzer, described first pipeline 11 being respectively arranged with hydrogen aluminium and adding mouth 12 and chlorine aluminium interpolation mouth 13;
Aging tank 30, be connected with described static mixer 10 by the second pipeline 31, described second pipeline 31 there is the neodymium agent be communicated with neodymium agent pipeline 70 to add mouth 32, hydrogen aluminium in catalyst reservoir 20, chlorine aluminium injects described static mixer 10 according to a setting proportioning through described first pipeline 11, for some time is mixed through described static mixer 10, after preferred 5min, with add from described neodymium agent neodymium agent that mouth 32 adds after described second pipeline 31 mixes together with inject from described aging tank 30 top, be uniformly mixed by described aging tank 30, ageing for some time, preferably after 10 ~ 15 minutes, from the discharge port 332 of aging tank 30 out, enter polymerization reaction kettle 40.(concrete volume needs to determine according to actual catalyst filling rate the preferred 15L of aging tank 30 volume, ensure catalyzer ageing 10 ~ 15 minutes in aging tank 30, experimentally with suitability for industrialized production situation, catalyzer best digestion time in aging tank 30 is 10 ~ 15 minutes, can according to the actual injection rate of catalyzer, by setting flow on mass flowmeter, guarantee catalyzer ageing 10 ~ 15 minutes in aging tank 30; Mass flowmeter can regulate automatically according to the flow of setting), the preferred stainless steel of material of tank body 33, the preferred paddle agitator 37 of whipped form, inserts in tank body 33 from tank body open top 331 central vertical of aging tank 30.Can setting pressure table on the cover 35 of aging tank 30, and the safety vent hole 351 etc. of reserved catalyzer filling orifice and exhaust.Aging tank 30 top end socket is detachable, is convenient to check, clear up.Hydrogen aluminium, chlorine aluminium, through the first pipeline pipeline 11, are connected with neodymium agent pipeline 70, inject together from aging tank 30 top after static mixer 10 mixes.Rinse line before aging tank 30 and need increase mass flowmeter 51 and by-pass, mass flowmeter 51 adopts Flange joint, is convenient to laid-up.Aging tank 30 post-flush line is of little use, and need increase segregaion valve.Before hydrogen aluminium, chlorine aluminium add mouth 12,13, increase nitrogen pipeline 60, for catalyst feed systems displacement, purge.Increase before the catalyst charge valve of polymerization reaction kettle 40 and fall to drench, for catalyst feed systems turned letter, displacement.
Be aging tank structural representation of the present utility model see Fig. 3, Fig. 3.In the present embodiment, this aging tank 30 comprises:
Tank body 33, described tank body 33 is provided with tank body open top 331 and described discharge port 332, and described discharge port 332 is communicated with described polymerization reaction kettle 40 by the 3rd pipeline 34;
Cover 35, to be arranged in described tank body open top 331 and to seal described tank body open top 331, wherein, described cover 35 also can be provided with thermometer hole, pressure tap and/or safety vent hole 351;
Opening for feed 36, is communicated with described second pipeline 31, is arranged on described tank body 33 or described cover 35;
Agitator 37, is arranged in described tank body 33;
Actuating unit 38, to be arranged on described cover 35 and to be connected with described agitator 37.
Wherein, described agitator 37 is paddle agitator, and the top of described paddle agitator 37 is connected with described actuating unit 38 through described tank body open top 331, the axis of described paddle agitator 37 and the axis coaxle of described tank body 33.
Wherein, described tank body 33, cover 35 and described agitator 37 are stainless steel part.Cover 35 can drive the technique pores such as material, discharging, thermometric, pressure measurement, safety vent into according to processing requirement.Tank body 33 and cover 35, tank body 33 and front and back pipeline use flange seal to be connected, and are convenient to dismounting cleaning.
In the present embodiment, described actuating unit 38 comprises motor 381, shaft coupling 382, bearing support 383 and step-down gear 384, described motor 381 is arranged on described cover 35 by described bearing support 383, and described motor 381 is connected with described agitator 37 with shaft coupling 382 by described step-down gear 384.Wherein, the shaft seal of described bearing support 383 can be set to mechanical sealing member or packing seal element as required.
Be static mixer structure schematic diagram of the present utility model see Fig. 4, Fig. 4.In the present embodiment, the flight 15 that described static mixer 10 comprises mixing tank body 14 and is arranged in described mixing tank body 14, described flight 15 comprises left-handed dice and dextrorotation dice, and described left-handed dice and dextrorotation dice successively interval arrange along described body axis direction.Use SK type static mixer 10 in the present embodiment, be made up of two flange pipe and flight 15, flight 15 is welded on tube interior.All gate valve is installed before and after static mixer 10, by Flange joint, is convenient to dismounting.SK type static mixer 10 is applicable to require not too high mixing process and the unit process relevant with mixing, also can be used for enhancement of heat transfer.In the static mixer of various model, SK type least easily blocks, so be applicable to process dirtier material.Catalyzer hydrogen aluminium and chlorine aluminium first mix for some time through static mixer 10, such as, after 5min, enter aging tank 30 again and are uniformly mixed finally from aging tank 30 bottom discharge mouth 332 out, enter polymerization reaction kettle 40 with neodymium agent solution after pipeline mixes.
Wherein, described first pipeline 11, second pipeline 31 with between described static mixer 10, described second pipeline 31 is connected respectively by flange seal with between described tank body 33.
In the present embodiment, also comprise purge oil line 50, one end of described purge oil line 50 is communicated with described second pipeline 31 and is positioned at before described neodymium agent adds mouth 32, as rinsing line or oily by injecting trace solvent before described aging tank 30, dilute the concentration of described catalyzer, indirectly to shorten the digestion time of described catalyzer in described aging tank 30, the other end of described purge oil line 50 is communicated with the discharge port 332 of described aging tank 30, as the post-flush line of described aging tank 30, rinse when described aging tank 30 outlet line blocking.Before purge oil line 50 part removes neodymium agent decanting point, as rinsing line before aging tank 30 or by injecting trace solvent oil, dilute catalyst concentration, indirectly shortening the digestion time of catalyzer in aging tank 30.A purge oil line 50 in addition part goes, bottom aging tank 30, to go out stockline be connected with aging tank 30, as the flushing line after aging tank 30, once the blocking of aging tank 30 outlet line, can open purge oil line 50 and rinse.If the throw out of catalyst aging generation in aging tank 30 can stir, taken away by solution, not blocking pipeline, just need not open purge oil.The pipeline that this purge oil line 50 is communicated with the second pipeline 31 can arrange automated quality under meter 51 and control valve 52.
In the present embodiment, also can comprise nitrogen pipeline 60, described nitrogen pipeline 60 is communicated with described first pipeline 11 and is positioned at described hydrogen aluminium and adds before mouth 12 and chlorine aluminium adds mouth 13, for purging described feed system and replace.
Principle of work: catalyzer hydrogen aluminium and chlorine aluminium inject rare earth catalyst feed system according to a certain ratio, after static mixer 10 mixes 5min, enter from aging tank 30 upper feed inlet 36 after pipeline mixes with neodymium agent solution, be uniformly mixed by aging tank 30, ageing is after 10 ~ 15 minutes, from aging tank 30 bottom discharge mouth 332 out, polymerization reaction kettle 40 is entered.Static mixer 10 before comparing, stirred by aging tank 30, not only can strengthen catalyst mix, ageing, promote the generation in active centre, and generate active centre and deposit seeds be uniformly distributed in the solution, polymerization reaction kettle 40 can be entered with solution, instead of at bottom settlings, the caking of aging tank 30, be conducive to stable polymerization reaction.
The aging tank 30 that the utility model is stirred by band, hydrogen aluminium, chlorine aluminium inject from aging tank 30 top after static mixer 10 mixes together with neodymium agent; In addition, purge oil line 50 of the present utility model, before a part removes neodymium agent decanting point, one is rinse line as before aging tank 30, and two is the digestion times by regulating purge oil flow to regulate catalyzer; A part goes, bottom aging tank 30, to go out stockline be connected with aging tank 30, as the flushing line after aging tank 30.
Aging tank 30 of the present utility model, strengthens catalyst mix, ageing by stirring, and the active centre of generation is relatively more even, is conducive to stable polymerization reaction; Catalyst aging throw out can not deposit blocking pipeline under stirring, can take polymerization reaction kettle 40 more uniformly to, not only ensures polyreaction intensity, and is conducive to stable polymerization reaction; Be provided with purge oil line 50, if catalyst feed line has ageing accumulation of precipitates, purge oil can be opened rinse, oil mass can be rinsed make rare earth polybutadiene rubber catalyzer have a best digestion time by regulating, promote that polyreaction is better carried out.The stopping state of pipeline can also be judged by the instruction of aging tank 30 top pressure table.According to circumstances can set up the display of teletransmission pressure in catalyst feed systems, if catalyst feed systems pressure superelevation upper limits of normal, illustrate that catalyst line blocks, need process.
The utility model improves the feeding manner of neodymium system rare earth polybutadiene rubber catalyzer, by increasing aging tank 30, destroying catalyzer depositions settle by constantly stirring, evenly bringing throw out into polymerization reaction kettle 40, avoid clogging deposits pipeline, ensure stable polymerization reaction; By increasing purge oil line 50, regulating digestion time, taking away pipeline throw out to ensure polyreaction intensity.The utility model eliminates the deposition of throw out at feeding line, not only can promote the generation at polymerization activity center better, save catalyst levels, and the catalyst aging time can be regulated, promote that polyreaction is better carried out, ensure that stable polymerization reaction is run.
Certainly; the utility model also can have other various embodiments; when not deviating from the utility model spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and distortion according to the utility model, but these change accordingly and are out of shape the protection domain that all should belong to the claim appended by the utility model.
Claims (17)
1. a feed system for neodymium system rare earth polybutadiene rubber poly-unit, is characterized in that, comprising:
Static mixer, is communicated with the catalyst reservoir of chlorine aluminium with the hydrogen aluminium for being stored as catalyzer by the first pipeline, described first pipeline is respectively arranged with hydrogen aluminium and adds mouth and chlorine aluminium interpolation mouth;
Aging tank, be connected with described static mixer by the second pipeline, described second pipeline there is neodymium agent add mouth, described static mixer is injected according to the hydrogen aluminium of a setting proportioning, chlorine aluminium through described first pipeline in catalyst reservoir, after described static mixer mixing, with add from described neodymium agent neodymium agent that mouth adds after described second pipeline mixes together with inject from described aging tank top, be uniformly mixed by described aging tank, after ageing, from the discharge port of described aging tank out, polymerization reaction kettle is entered.
2. feed system as claimed in claim 1, it is characterized in that, described aging tank comprises:
Tank body, described tank body is provided with tank body open top and described discharge port, and described discharge port is communicated with described polymerization reaction kettle by the 3rd pipeline;
Cover, to be arranged in described tank body open top and to seal described tank body open top;
Opening for feed, with described second pipeline connection, is arranged on described tank body or described cover;
Agitator, is arranged in described tank body;
Actuating unit, to be arranged on described cover and to be connected with described agitator.
3. feed system as claimed in claim 2, it is characterized in that, described agitator is paddle agitator, and the top of described paddle agitator is connected with described actuating unit through described tank body open top, the axis of described paddle agitator and the axis coaxle of described tank body.
4. feed system as claimed in claim 2 or claim 3, it is characterized in that, described tank body, cover and described agitator are stainless steel part.
5. feed system as claimed in claim 2 or claim 3, it is characterized in that, described actuating unit comprises motor, shaft coupling, bearing support and step-down gear, and described motor is arranged on described cover by described bearing support, and described motor is connected with described agitator with shaft coupling by described step-down gear.
6. feed system as claimed in claim 5, it is characterized in that, the shaft seal of described bearing support is mechanical sealing member or packing seal element.
7. feed system as claimed in claim 2 or claim 3, is characterized in that, described cover is provided with thermometer hole, pressure tap and/or safety vent hole.
8. feed system as claimed in claim 5, is characterized in that, described cover is provided with thermometer hole, pressure tap and/or safety vent hole.
9. the feed system as described in claim 1,2 or 3, it is characterized in that, described static mixer comprises mixing tank body and is arranged on the flight in described mixing tank body, described flight comprises left-handed dice and dextrorotation dice, and described left-handed dice and dextrorotation dice successively interval arrange along described body axis direction.
10. feed system as claimed in claim 5, it is characterized in that, described static mixer comprises mixing tank body and is arranged on the flight in described mixing tank body, described flight comprises left-handed dice and dextrorotation dice, and described left-handed dice and dextrorotation dice successively interval arrange along described body axis direction.
11. feed systems as claimed in claim 9, is characterized in that, described first pipeline, between the second pipeline with described static mixer, described second pipeline is connected respectively by flange seal with between described tank body.
12. feed systems as claimed in claim 10, is characterized in that, described first pipeline, between the second pipeline with described static mixer, described second pipeline is connected respectively by flange seal with between described tank body.
13. feed systems as described in claim 1,2,3,11 or 12, it is characterized in that, also comprise purge oil line, one end of described purge oil line and described second pipeline connection are also positioned at before described neodymium agent adds mouth, and the other end of described purge oil line is communicated with the discharge port of described aging tank.
14. feed systems as claimed in claim 5, it is characterized in that, also comprise purge oil line, one end of described purge oil line and described second pipeline connection are also positioned at before described neodymium agent adds mouth, and the other end of described purge oil line is communicated with the discharge port of described aging tank.
15. feed systems as described in claim 1,2,3,11 or 12, is characterized in that, also comprise nitrogen pipeline, and described nitrogen pipeline and described first pipeline connection are also positioned at described hydrogen aluminium and add before mouth and chlorine aluminium adds mouth.
16. feed systems as claimed in claim 5, is characterized in that, also comprise nitrogen pipeline, and described nitrogen pipeline and described first pipeline connection are also positioned at described hydrogen aluminium and add before mouth and chlorine aluminium adds mouth.
17. 1 kinds of neodymium system rare earth polybutadiene rubber poly-units, comprise feed system and polymerization reaction kettle, it is characterized in that, described feed system is the feed system in the claims 1-16 described in any one.
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| CN201420761117.7U CN204369788U (en) | 2014-12-05 | 2014-12-05 | A kind of neodymium system rare earth polybutadiene rubber poly-unit and feed system thereof |
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|---|---|---|---|
| CN201420761117.7U CN204369788U (en) | 2014-12-05 | 2014-12-05 | A kind of neodymium system rare earth polybutadiene rubber poly-unit and feed system thereof |
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|---|---|---|---|
| CN201420761117.7U Expired - Fee Related CN204369788U (en) | 2014-12-05 | 2014-12-05 | A kind of neodymium system rare earth polybutadiene rubber poly-unit and feed system thereof |
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| CN (1) | CN204369788U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105713119A (en) * | 2014-12-05 | 2016-06-29 | 中国石油天然气股份有限公司 | Neodymium-based rare-earth butadiene rubber polymerization device and feed system thereof |
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2014
- 2014-12-05 CN CN201420761117.7U patent/CN204369788U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105713119A (en) * | 2014-12-05 | 2016-06-29 | 中国石油天然气股份有限公司 | Neodymium-based rare-earth butadiene rubber polymerization device and feed system thereof |
| CN105713119B (en) * | 2014-12-05 | 2018-07-10 | 中国石油天然气股份有限公司 | A kind of neodymium series rare earth polybutadiene rubber polyplant and its feed system |
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