CN204234081U - For the synthesis of the production equipment of rubber accelerator NS - Google Patents
For the synthesis of the production equipment of rubber accelerator NS Download PDFInfo
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- CN204234081U CN204234081U CN201420705031.2U CN201420705031U CN204234081U CN 204234081 U CN204234081 U CN 204234081U CN 201420705031 U CN201420705031 U CN 201420705031U CN 204234081 U CN204234081 U CN 204234081U
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Abstract
The utility model provides a kind of production equipment for the synthesis of rubber accelerator NS and uses.It comprises: stirred autoclave, comprise kettle, kettle is outside equipped with mixer drive, the agitator be connected with mixer drive is provided with in kettle, kettle outer wall is provided with chuck, chuck connects steam inlet, reduced temperature steam outlet, circulating water intake and circulating water outlet, kettle top is provided with the condensed water import introducing condensed water in kettle and the material inlet introducing material in kettle, autoclave body bottom connecting tee pipeline, triplate line one end is fixedly connected with the bottom valve of kettle, the other end is set to drain hole, and the 3rd end is set to loop exit; Coil reactor; And condenser, cryogen outlet is communicated with condensed water import by condenser pipe.
Description
Technical field
The utility model relates to a kind of production equipment for the synthesis of rubber accelerator NS, belongs to field of fine chemical.
Background technology
Along with the development of rubber industry, the R & D and manufacture of rubber chemicals is more and more subject to people's attention.Rubber vulcanization accelerator NS (also known as TBBS), chemical name is the N-tert-butyl group-2-benzothiazole sulfonamide, is one of important kind of sulfenamide vulcanization accelerator, has anti-incipient scorch and the large advantage of curingprocess rate fast two concurrently.For in natural rubber, butadiene-styrene rubber, butadiene rubber, isoprene rubber, be particularly useful for the furnace black sizing material that alkalescence is higher, activity is greater than now widely used accelerator CBS, NOBS etc., variable color and pollution are slightly, the alternative NOBS etc. having carcinogenicity possible containing secondary amine, because its function admirable is called as " standard promoter ".
Patent document US 4182873,1980 preparation methods disclosing a kind of N-tert-butyl group-2-benzothiazole sulfonamide, this utility model adopts oxygen as oxidant, using Schweinfurt green as catalyst, N-the tert-butyl group-2-benzothiazole sulfonamide is obtained through filtering drying, content 91% after tert-butylamine and M react 380min in the reactor.Patent document EP0029718,1981 preparation methods also disclosing a kind of N-tert-butyl group-2-benzothiazole sulfonamide, after M, tert-butylamine and the active carbon containing 4% Cobalt Phthalocyanine are uniformly mixed by this utility model, pass into oxygen and obtain the N-tert-butyl group-2-benzothiazole sulfonamide that purity is 98%, yield can reach 96%.Patent document CN101735171A (200910228229) discloses a kind of method manufacturing the N-tert-butyl group-2-benzothiazole sulfonamide, it is characterized in that, adopt oxygen as oxidant, ammoniacal liquor and copper sulphate are as catalyst, tert-butylamine and M react in autoclave, the synthesis accelerant NS(N-tert-butyl group-2-benzothiazole sulfonamide).
In dioxygen oxidation synthesis NS reaction, reaction efficiency and security performance are the maximum difficult problems of Progress in industrialization.Because this reaction is solid phase, liquid phase, gas phase phase reaction, and belong to interfacial reaction, the larger reaction speed of gas-liquid interface is faster, the less reaction speed of gas-liquid interface is less, so generally adopt autoclave at present, by oxygen by pressure permeation feed liquor mutually in, improve the utilization rate of oxygen.
Utility model content
In order to overcome the shortcoming of above-mentioned prior art, the utility model provides a kind of production equipment for the synthesis of rubber accelerator NS and application.
The technical solution of the utility model is as follows:
For the synthesis of a production equipment of rubber accelerator NS, comprising:
Stirred autoclave, comprise kettle, kettle is outside equipped with mixer drive, the agitator be connected with mixer drive is provided with in kettle, kettle outer wall is provided with chuck, chuck connects steam inlet, reduced temperature steam outlet, circulating water intake and circulating water outlet, kettle top is provided with the condensed water import introducing condensed water in kettle and the material inlet introducing material in kettle, autoclave body bottom connecting tee pipeline, triplate line one end is fixedly connected with the bottom valve of kettle, the other end is set to drain hole, and the 3rd end is set to loop exit;
Coil reactor, coil reactor entrance point is connected with the drain hole of kettle with product pump through conveying pipeline, and coil reactor entrance point also connects oxygen inlet pipe, and the coil reactor port of export communicates with the material inlet of kettle; With
Condenser, cryogen outlet is communicated with condensed water import by condenser pipe.
Above-mentioned production equipment preferred version, oxygen inlet pipe is venturi tube structure.
Above-mentioned production equipment preferred version, it also comprises the first filter and the second filter, and the first filter setting dish pipe reactor entrance point, the second filter is arranged on coil reactor inside, and is all provided with screen pack in the first filter and the second filter.
Above-mentioned production equipment preferred version, screen pack is multilayer stainless (steel) wire.
Above-mentioned production equipment preferred version, stirred autoclave is glassed steel reaction vessels.
Above-mentioned production equipment preferred version, coil reactor is stainless steel.
Above-mentioned production equipment preferred version, in coil reactor, coil pipe pipe distance and coil pipe caliber are than being 1-3:1.
Above-mentioned production equipment preferred version, coil reactor volume and kettle volumetric ratio are 1-1.5:100.
The utility model beneficial effect:
1. the utility model stirred autoclave is a kind of normal-pressure reaction kettle, has both saved investment and has turn increased safety coefficient.
2. the utility model stirred autoclave forms a normal pressure pressure condition, makes tert-butylamine steam not easily overflow reactor, has both reduced the loss of raw material, reduced cost, makes again environment obtain good improvement, decreases the murder by poisoning of raw material to operator;
3. the utility model adopts oxygen inlet pipe to adopt venturi tube structure, and both avoided the possibility producing high pressure in coil reactor, the backflow preventing again slip to produce because of hypertonia, decreases the infringement to product pump and pipeline;
4. adopt filter, gas can be broken up by filter filtering net, and gas is fully mixed with slip, and enlarge active surface, namely adds response area, accelerates reaction speed;
5. facts have proved that the utility model equipment reaction time is short, improve output.
Accompanying drawing explanation
Fig. 1 is device structure schematic diagram of the present utility model.
In Fig. 1: 1. condenser; 2. mixer drive; 3. kettle; 4. circulating water outlet; 5. chuck; 6. filter; 7. circulating water intake; 8. bottom valve; 9. drain hole; 10. loop exit; 11. product pumps; 12. oxygen inlet pipes; 13. first filters; 14. screen packs; 15. coil reactor; 16. second filters; 17. material inlets; 18. steam inlets; 19. reduced temperature steam outlet.
Detailed description of the invention
Better understand the utility model for the ease of those skilled in the art, be described in further details below in conjunction with the drawings and specific embodiments to the utility model, following is only exemplary do not limit protection domain of the present utility model.
With reference to accompanying drawing 1, a kind of production equipment for the synthesis of rubber accelerator NS, comprises stirred autoclave, coil reactor 15 and condenser 1.Wherein stirred autoclave, comprise kettle 3, kettle 3 is outside equipped with mixer drive 2, the agitator 6 be connected with mixer drive 2 is provided with in kettle 3, kettle 3 outer wall is provided with chuck 9, chuck 9 connects steam inlet 18, reduced temperature steam outlet 18, circulating water intake 7 and circulating water outlet 19, kettle 3 top is provided with the condensed water import a introducing condensed water in kettle 3 and the material inlet 17 introducing material in kettle 3, connecting tee pipeline bottom kettle 3, triplate line one end is fixedly connected with the bottom valve 8 of kettle 3, the other end is set to drain hole 9, 3rd end is set to loop exit 10, coil reactor 15 entrance point is connected with loop exit 10 with product pump 11 through conveying pipeline 20, and coil reactor 15 entrance point also connects oxygen inlet pipe 12, and coil reactor 15 port of export communicates with the material inlet 17 of kettle 3, the cryogen outlet of condenser 1 is communicated with condensed water import a by condenser pipe.
In the present embodiment, oxygen inlet pipe 4 is venturi tube structure, and both avoided the possibility producing high pressure in coil reactor, the backflow preventing again slip to produce because of hypertonia, decreases the infringement to product pump and pipeline.
In the present embodiment, also comprise the first filter 13 and the second filter 16, first filter 13 setting dish pipe reactor 15 entrance point, it is inner that second filter 16 is arranged on coil reactor 15, and in the first filter 13 and the second filter 16, screen pack 14 is all installed, screen pack 14 is multilayer stainless (steel) wire, plays the effect of decentralized oxygen.
In the present embodiment, stirred autoclave is glassed steel reaction vessels; Coil reactor 15 is stainless steel.
In the present embodiment, in coil reactor, coil pipe pipe distance and coil pipe caliber are than being 1-3:1; Coil reactor volume and kettle volumetric ratio are 1-1.5:100.
Described production equipment is in an application for dioxygen oxidation method synthetic rubber accelerator NS, and step is as follows:
1) added in kettle 3 by slip by material inlet 17, fed in raw material rear closedown material inlet 17, starts to stir;
2) in chuck 5, pass into steam by steam inlet 18, make material in kettle 3 remain on 60 ± 2 DEG C;
3) condenser 1 starts logical condensed water by condensed water import a in kettle 3;
4) open material inlet 9 successively, coil reactor 15 export, product pump 11 and drain hole 9, logical oxygen is started by oxygen inlet pipe 4, material meets with oxygen and reacts in coil reactor 15, and when material arrives material inlet 17, oxygen runs out of;
5) react 3-4 hour, stop material and oxygen to enter, lead to recirculated water by circulating water intake 7 and lower the temperature to kettle 3, in kettle 3, temperature is 20 DEG C of-30 DEG C of blowings; To the rubber accelerator NS that produces to filter and dry.Obtaining rubber accelerator NS purity by test is 99%, and yield reaches 98%.
Above only describes general principle of the present utility model and preferred embodiment, those skilled in the art can make many changes and improvements according to foregoing description, and these changes and improvements should belong to protection domain of the present utility model.
Claims (8)
1. for the synthesis of a production equipment of rubber accelerator NS, it is characterized in that, comprising:
Stirred autoclave, comprise kettle, kettle is outside equipped with mixer drive, the agitator be connected with mixer drive is provided with in kettle, kettle outer wall is provided with chuck, chuck connects steam inlet, reduced temperature steam outlet, circulating water intake and circulating water outlet, kettle top is provided with the condensed water import introducing condensed water in kettle and the material inlet introducing material in kettle, autoclave body bottom connecting tee pipeline, triplate line one end is fixedly connected with the bottom valve of kettle, the other end is set to drain hole, and the 3rd end is set to loop exit;
Coil reactor, coil reactor entrance point is connected with the drain hole of kettle with product pump through conveying pipeline, and coil reactor entrance point also connects oxygen inlet pipe, and the coil reactor port of export communicates with the material inlet of kettle; With
Condenser, cryogen outlet is communicated with condensed water import by condenser pipe.
2. production equipment according to claim 1, is characterized in that: oxygen inlet pipe is venturi tube structure.
3. production equipment according to claim 1, it is characterized in that: it also comprises the first filter and the second filter, first filter setting dish pipe reactor entrance point, the second filter is arranged on coil reactor inside, and is all provided with screen pack in the first filter and the second filter.
4. production equipment according to claim 3, is characterized in that: screen pack is multilayer stainless (steel) wire.
5. the production equipment according to any one of Claims 1-4, is characterized in that: stirred autoclave is glassed steel reaction vessels.
6. the production equipment according to any one of Claims 1-4, is characterized in that: coil reactor is stainless steel.
7. the production equipment according to any one of Claims 1-4, is characterized in that: in coil reactor, coil pipe pipe distance and coil pipe caliber are than being 1-3:1.
8. the production equipment according to any one of Claims 1-4, is characterized in that: coil reactor volume and kettle volumetric ratio are 1-1.5:100.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420705031.2U CN204234081U (en) | 2014-11-22 | 2014-11-22 | For the synthesis of the production equipment of rubber accelerator NS |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420705031.2U CN204234081U (en) | 2014-11-22 | 2014-11-22 | For the synthesis of the production equipment of rubber accelerator NS |
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| CN204234081U true CN204234081U (en) | 2015-04-01 |
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| CN201420705031.2U Active CN204234081U (en) | 2014-11-22 | 2014-11-22 | For the synthesis of the production equipment of rubber accelerator NS |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104383862A (en) * | 2014-11-22 | 2015-03-04 | 山东阳谷华泰化工股份有限公司 | Production equipment for synthesizing rubber accelerator NS and application |
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- 2014-11-22 CN CN201420705031.2U patent/CN204234081U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104383862A (en) * | 2014-11-22 | 2015-03-04 | 山东阳谷华泰化工股份有限公司 | Production equipment for synthesizing rubber accelerator NS and application |
| CN104383862B (en) * | 2014-11-22 | 2016-02-03 | 山东阳谷华泰化工股份有限公司 | For the synthesis of production equipment and the application of rubber accelerator NS |
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