CN104941558A - Jet flow flash condensation pot for continuous preparation of hydrogenated nitrile rubber - Google Patents
Jet flow flash condensation pot for continuous preparation of hydrogenated nitrile rubber Download PDFInfo
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- CN104941558A CN104941558A CN201510341145.2A CN201510341145A CN104941558A CN 104941558 A CN104941558 A CN 104941558A CN 201510341145 A CN201510341145 A CN 201510341145A CN 104941558 A CN104941558 A CN 104941558A
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Abstract
The invention relates to a jet flow flash condensation pot for continuous preparation of hydrogenated nitrile rubber. The jet flow flash condensation pot mainly comprises a cylinder body with a jacket, a motor-driven stirring device and a Venturi jet flow device, wherein an upper head of the cylinder body with the jacket is connected with the motor-driven stirring device; a lower head of the cylinder body is connected with the Venturi jet flow device; a cooling water inlet pipe and a cooling water outlet pipe are fixed to the lower head through a cooling water inlet pipe platform and a cooling water outlet platform of the Venturi jet flow device; a Venturi jet flow device cylinder body, as well as a ring pipe and a cooling water ring pipe which are welded with the Venturi jet flow device cylinder body, is fixed on the lower head by the cooling water inlet pipe and the cooling water outlet pipe; a steam nozzle and a hot water nozzle are mounted on a base; a steam pipe is horizontally and directly inserted into the outer side pipe of the base to be perpendicular to the plane of both the cooling water inlet pipe and the cooling water outlet pipe. The jet flow flash condensation pot can improve the solvent vaporization rate and the steam effective utilization ratio, realizes the continuous condensation process, and is simple and convenient to operate, short in condensation time and favorable for large-scale rubber condensation production.
Description
Technical field
The invention belongs to hydrogenated nitrile-butadiene rubber (HNBR) cohesion process field, for homogeneous catalyst Hydrogenation for the one cohesion rubber micelle in HNBR process, the High-efficient Production equipment of recycling design; Relate to a kind of continous way HNBR jet flash distillation condensing field.
Background technology
Hydrogenated nitrile-butadiene rubber (Hydrogenated Nitrile Rubber, HNBR) be a kind of nitrile elastomer with high saturation, be selectively hydrogenation is carried out to the butadiene unit on acrylonitrile-butadiene rubber (NBR) segment, unsaturated double-bond hydrogenation is produced saturated C-C singly-bound.Hydrogenated nitrile-butadiene rubber not only maintains the good oil resistivity of NBR, wear-resisting and resistance to low temperature, and there is good high temperature resistant, resistance to oxidation, ozone and chemical resistance, there is high-caliber mechanical property especially, incompressible permanent deformation performance, and the high-wear resistance of excellence, there is very outstanding combination property.
Cohesion process is the important ring preparing hydrogenated nitrile-butadiene rubber.Main Function is separated from solvent by hydrogenated nitrile-butadiene rubber, general industry adopts wet type coacervation, its process utilizes hot water, steam and churned mechanically effect, glue is disperseed, add the process such as glue drop, stripping solvent of heat partition, solvent is evaporated from solution, obtains moisture rubber grain, the solvent of vaporization is through condensation, separation Posterior circle recycling.
In prior art, condensing single still is all intermittently operated, and treating capacity is limited; Though many still operation energy continuous seepage, complex process.Tradition condensing field, only by passing into steam and churned mechanically effect, makes the rubber grain after desolvation not of uniform size, and the situation that micelle blocks pipeline easily occurs in the process of being discharged by overflow pipe; Simultaneously only by steam impringement effect, traditional condensing field must pass into steam in a large number in order to the rubber grain obtaining volume of ideal, cause steam consumption high and in rubber grain after cohesion solvent higher, affect postprocessing working procedures.Cohesion equipment is optimized in urgent hope at present, reduces the cost producing hydrogenated nitrile-butadiene rubber, makes the cost performance of HNBR more reasonable, meets the need of market.
Summary of the invention
The invention provides a kind of continous way and prepare HNBR jet flash distillation condensing field, by the acting in conjunction of steam and circulating hot water jet, glue is shredded and be dispersed into desirable glue drop, solve in traditional condensing field, particle size of the gel differs, and easily blocks the situation of pipeline.Compared with traditional condensing field, add hot water jets and make itself and steam acting in conjunction can reduce steam use amount to a great extent, solve the problem that steam consumption in traditional handicraft is high.Need the rubber glue of cohesion to spray from venturi ejector endless tube, thus energy exchange can better be carried out with hot water, solvent is better vaporized, solve the problem that in the rubber grain after traditional handicraft cohesion, solvent is higher.
Technical scheme of the present invention is as follows:
A kind of continous way prepares HNBR jet flash distillation condensing field, mainly comprises with the cylindrical shell of chuck, motor-driven agitating device and venturi fluidic device; It is characterized in that the barrel upper seal head with chuck connects motor-driven agitating device; Cylindrical shell low head connects venturi fluidic device.
Described venturi fluidic device is by cooling water inlet pipe platform (1-1), and cooling water inlet pipe (20) and cooling water outlet pipe (D) are fixed on low head by cooling water outlet pipe platform (1-2); Venturi ejector cylindrical shell (14) and the endless tube (16) welded with it and cooling water endless tube (15) are taken over (20) and coolant outlet by cooling water inlet and are taken over (D) and be fixed on low head; Base (19) is provided with steam jet (17) and hot water nozzle (18); In steam connection (I) level direct inserted base (19) outboard tube, take over (20) coolant outlet with cooling water inlet and take over (D) plane being perpendicular.
Described hot water inlet pipe (A) directly welds with base (19), and has the deflection of certain angle with vertical direction.
Venturi ejector cylindrical shell (14) outer ring arranges the endless tube (16) that glue sprays into; Endless tube (16) arranged outside cooling water endless tube (15) that glue sprays into; (15) are provided with cooling water inlet and coolant outlet with cooling water endless tube; The endless tube (16) that glue sprays into is provided with glue import; Venturi ejector cylindrical shell (14) pipe wall position be connected with endless tube (16) arranges glue spray orifice.
Be illustrated in figure 1 novel cohesion process sketch.Micelle after cohesion tangentially goes out still from overflow pipe, connects hypergravity separator, realizes the Dynamic Separation of micelle and hot water.Steam is together come in the condenser on still top through material in still with the solvent vapo(u)r entered in around aqueous phase, condensation recycling design.Be used in condensation keeping the cooling water of glue temperature to enter hot-water cylinder after heat exchange before the water of condensing solvent steam and glue spraying, recycling of hot water can be realized, economize energy.
Steam inlet side view as shown in Figure 2, steam inlet vertically inserts for connecting steam jet (17), among the base (19) of hot water nozzle (18) and low head (2).Its direction and cooling water inlet take over (20) and coolant outlet takes over (D) plane orthogonal, and hot water inlet adapter (A) and vertical direction have turning to of certain angle simultaneously, ensures there are enough operating spaces between each adapter.
Continous way HNBR jet flash distillation condensing field as shown in Figure 2, first the hydrogenated nitrile-butadiene rubber dissolved in organic solvent is sprayed by among the venturi ejector endless tube bottom condensing field, with the circulating hot water rapid mixing of ejector high-speed jet, carry out exchange heat, temperature improves, solvent in vaporization glue, makes glue be condensed into loose granule, and is brought into continuation vaporization, mass transfer in condensing field by hot water.Add paddle in condensing field, for glue and steam dispersion, and prevent the rubber lump after condensing, and the short circuit of steam is run empty.
The present invention has following advantage:
First compared with traditional HNBR condensing field, continous way HNBR jet flash distillation condensing field is by the high-speed jet of hot water in venturi ejector at the bottom of still, and the Involving velocity in the still be inhaled between hot water and turbulent diffusion, steam is shredded into minute bubbles, make the broken glue drop be dispersed into one by one of HNBR glue sprayed into from trunnion endless tube, thus carry out energy exchange.Glue is condensed rapidly at short notice, improves the speed of solvent evaporation and the effective rate of utilization of steam.
Secondly continous way HNBR jet flash distillation condensing field achieves continuous print cohesion process, and easy and simple to handle, pool time is short, and treating capacity is high, is conducive to the large-scale production of rubber cohesion.
Again in continous way HNBR jet flash distillation condensing field, keep the cooling water of glue temperature to can be recycled after heat exchange before the water of condensing solvent steam and glue spraying, economize energy, reduces costs, and whole system realizes recycling of water.
By the acting in conjunction of steam and circulating hot water jet, glue is shredded in a word and be dispersed into desirable glue drop, solve in traditional condensing field, particle size of the gel differs, and easily blocks the situation of pipeline.Compared with traditional condensing field, add hot water jets and make itself and steam acting in conjunction can reduce steam use amount to a great extent, solve the problem that steam consumption in traditional handicraft is high.Need the rubber glue of cohesion to spray from venturi ejector endless tube, thus energy exchange can better be carried out with hot water, solvent is better vaporized, solve the problem that in the rubber grain after traditional handicraft cohesion, solvent is higher.This novel condensing field easily extensible is applied to other polymerisation in solution rubber, and as butadiene rubber, liquid styrene butadiene rubber, solution polymerized butadiene styrene rubber etc. all can be attempted taking the method to realize the process of separated from solvent, rubber cohesion.
Accompanying drawing explanation
Fig. 1 is novel cohesion process schematic flow sheet;
Fig. 2 is front view in continous way HNBR jet flash distillation condensing field and steam inlet side view;
Fig. 3 is Venturi magnified partial view;
Fig. 4 is Venturi direction of flow figure, and wherein steam inlet pipe at equipment behind;
Fig. 5 is glue and the flow graph of cooling water in endless tube, and steam inlet pipe as shown in the figure at equipment behind;
Fig. 6 is from the flow graph of steam viewed from equipment side;
Wherein: 1-1-cooling water inlet pipe platform, 1-2-cooling water outlet pipe platform, 2-low head, 3-low head chuck, 4-flange, 5-paddle, 6-cylindrical shell chuck, 7-rotating shaft, the circular defoaming plate of 8-, 9-upper cover, 10-support, 11-motor, 12-decelerator, 13-cylindrical shell, 14-venturi ejector cylindrical shell, 15-cools endless tube, 16-endless tube, 17-steam jet, 18-hot water nozzle, 19-base, 20-cooling water inlet pipe, 21-locking nut, hot water inlet adapter (A), glue inlet tube (B), cooling water inlet adapter (C), coolant outlet adapter (D), rubber outlet pipe (E), solvent vapo(u)r outlet (F), steam connection (I), cylindrical shell chuck heat carrier inlet tube (H1), cylindrical shell chuck heating medium outlet pipe (H2), low head chuck heat carrier inlet tube (G1), low head chuck heat carrier inlet tube (G2).
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the continous way HNBR jet flash distillation condensing field that the present invention relates to is described in further detail.
A kind of continous way HNBR jet flash distillation condensing field, mainly comprises with the cylindrical shell of chuck, motor-driven agitating device and venturi fluidic device; As described in Figure 2.
Motor-driven agitating device composition comprises: paddle (5), rotating shaft (7), circular defoaming plate (8), support (10), motor (11), decelerator (12); As described in Figure 2.
Described venturi fluidic device composition comprises: cooling water inlet pipe platform (1-1), cooling water outlet pipe platform (1-2), two platforms are respectively according to caliber and the relative position design of cooling water inlet pipe (20) and cooling water outlet pipe (D), for better fixing cooling water inlet adapter (20) and reducing its vibrations caused in running, venturi ejector cylindrical shell (14), cooling endless tube (15), endless tube (16), steam jet (17), hot water nozzle (18), base (19), cooling water inlet adapter (20), locking nut (21), hot water inlet pipe (A), glue inlet tube (B), cooling water inlet pipe (C), coolant outlet adapter (D).Wherein, venturi ejector cylindrical shell (14), steam jet (17) and hot water nozzle (18) they are the fundamental parts of Venturi indispensability; Cooling water inlet adapter (20), cooling endless tube (15), endless tube (16), hot water inlet pipe (A), glue inlet tube (B), coolant outlet adapter (D) is then the new design made according to venturi principle; As described in Figure 3.
In described continous way HNBR jet flash distillation condensing field, venturi ejector cylindrical shell (14) is by taking over (20) with its cooling water endless tube (15) welded mutually and cooling water inlet, and coolant outlet adapter (D) is fixed on bottom condensing field; As described in Figure 3.
Described venturi ejector connected mode, cooling water inlet adapter (20) wherein, coolant outlet adapter (D) passes through respectively by cooling water inlet pipe platform (1-1) with condensing field low head (2), cooling water outlet pipe platform (1-2) connects, platform welding is under still on end socket (2), and pass through gasket seal, require cooling water inlet adapter (20), coolant outlet adapter (D) has and cooling water inlet pipe platform (1-1), the boss section that cooling water outlet pipe platform (1-2) is connected.Two platforms are only flat section, due to cooling water inlet adapter (20), boss section on coolant outlet adapter (D) makes cooling water inlet pipe platform (1-1), and cooling water outlet pipe platform (1-2) can play better supporting function to it; As described in Figure 3.
Described venturi ejector connected mode, cooling water inlet adapter (20) wherein, coolant outlet adapter (D) is separately fixed at cooling water inlet pipe platform (1-1) by locking nut (21), on cooling water outlet pipe platform (1-2), require cooling water inlet adapter (20), coolant outlet adapter (D) has the thread segment matched with locking nut (21); As described in Figure 3.
Described continous way HNBR jet flash distillation condensing field, wherein venturi ejector hot water nozzle (18) and steam jet (17) are threaded connection with base (19).Wherein base (19) is according to the size of hot water nozzle (18) and steam jet (17) and Position Design, it is a plectane with holes, fix two concentric reducing short tubes above, outboard tube tube wall is with a circular hole, inside two short tubes, all car has screw thread, can be connected with hot water nozzle (18) and steam jet (17) outside screw, play fixation; As described in Figure 3.
Described nozzle connected mode, wherein base (19) welds with condensing field low head (2), and both center lines overlap; As described in Figure 3.
Described nozzle connected mode, wherein in steam connection (I) level direct inserted base (19) outboard tube tube wall circular hole, and takes over (20) coolant outlet with cooling water inlet and takes over (D) plane being perpendicular; As described in Figure 3.
Described nozzle connected mode, wherein hot water inlet pipe (A) directly welds with base (19), and has the deflection of certain angle with vertical direction; As described in Figure 3.
Described continous way HNBR jet flash distillation condensing field, the endless tube (16) that venturi ejector cylindrical shell (14) wherein sprays into glue and cooling water endless tube (15) weld.Endless tube (16) is one around the venturi ejector cylindrical shell ring-shaped round pipe of (14) weeks, cooling water endless tube (15) is also one around the venturi ejector cylindrical shell ring-shaped round pipe of (14) weeks, but cooling water endless tube caliber is large, in being also enclosed in by endless tube (16).Cooling water inlet pipe (20), cooling water outlet pipe (D) welds together with cooling endless tube (15), and three inside is connected; Glue inlet tube (B) and endless tube (16) weld together, and make both be connected inside; As described in Figure 3.
Described endless tube connected mode, is glue flow region in the space that venturi ejector cylindrical shell (14) wherein and endless tube (16) form, in trunnion wall position, offers 4-8 spray orifice, spray into place as glue; As described in Figure 3.
Described continous way HNBR jet flash distillation condensing field, drive shaft (7) to rotate by motor (11) through reductor (12), in order to disperse micelle and steam, the rotating speed of rotating shaft (7) is at 90-180r/min; As described in Figure 2.
Described shaft connecting mode, wherein fix circular defoaming plate (8) and paddle (5) with in rotating shaft (7), circular defoaming plate (8) can prevent micelle from assembling at liquid level place; As described in Figure 2.
Described paddle form, paddle (5) form be connected with rotating shaft (7) is not limited to and straight leaf open turbine formula; As described in Figure 2.
Described continous way HNBR jet flash distillation condensing field, rubber outlet (E) wherein and condensing field cylindrical shell (13) they are tangentially install; As described in Figure 2.
Embodiment: before condensing field runs, be full of water by still, pass into heat carrier in chuck.In control still, water temperature is at about 95 DEG C, and pressure is at 0.03MPa.When cohesion starts, in venturi ejector, with 8m
3the flow of/h passes into hot water, with 15m in hot-water line (A)
3the flow of/h passes into the steam of 110 DEG C in steam connection (I); In glue inlet tube (B), pass into the HNBR glue of about 25 DEG C again, pass into cooling water to cooling water inlet adapter (C) simultaneously, ensure glue low temperature.Open rubber outlet adapter (E), ensure liquid level constant in condensing field, for still top solvent vapo(u)r and steam reserve enough spaces.
Hot water is accelerated by hot water nozzle (17), forms jet.Due to the Involving velocity in jet and the still that is inhaled between hot water and turbulent diffusion, steam is shredded into minute bubbles, make the HNBR glue fragmentation sprayed into from trunnion endless tube be dispersed into glue drop one by one.Dispersed glue drop absorption heat, make solvent evaporation wherein and enter ambient water phase, the low-pressure area of venturi fluidic device around nozzle simultaneously, solvent evaporation motive force is improved, solvent in glue drop is by rapid vaporization, become loose spongiform micelle, until the solvent in micelle is reduced to permissible value, oil-containing micelle is become solid-state micelle and sends ejector.Fluidic device top shaft is used for the solid-state micelle of dispersion-flocculation, stop its conglomeration, control flocculated particle particle size, make vaporized solvent be dispersed in condensing field simultaneously, be easy to be taken out of condensing field by steam, reach condenser finally by solvent vapo(u)r discharge connection (F) and carry out recycling design.Rubber grain and circulating hot water overflow condensing field, connect hypergravity separator, reach the effect being separated micelle.
The above example is only the preferred embodiment absolutely proving the present invention and lift, and protection scope of the present invention is not limited thereto.The equivalent alternative or conversion that those skilled in the art do on basis of the present invention, all within protection scope of the present invention.Protection scope of the present invention is as the criterion with claims.
Claims (4)
1. continous way prepares a HNBR jet flash distillation condensing field, mainly comprises with the cylindrical shell of chuck, motor-driven agitating device and venturi fluidic device; It is characterized in that the barrel upper seal head with chuck connects motor-driven agitating device; Cylindrical shell low head connects venturi fluidic device.
2. flash distillation condensing field as claimed in claim 1, it is characterized in that described venturi fluidic device is by cooling water inlet pipe platform (1-1), cooling water inlet pipe (20) and cooling water outlet pipe (D) are fixed on low head by cooling water outlet pipe platform (1-2); Venturi ejector cylindrical shell (14) and the endless tube (16) welded with it and cooling water endless tube (15) are fixed on low head by cooling water inlet pipe (20) and cooling water outlet pipe (D); Base (19) is provided with steam jet (17) and hot water nozzle (18); In steam connection (I) level direct inserted base (19) outboard tube, take over (20) coolant outlet with cooling water inlet and take over (D) plane being perpendicular.
3. flash distillation condensing field as claimed in claim 1, is characterized in that described hot water inlet pipe (A) directly welds with base (19), and has the deflection of certain angle with vertical direction.
4. flash distillation condensing field as claimed in claim 1, is characterized in that the endless tube (16) that venturi ejector cylindrical shell (14) outer ring arranges glue and sprays into; Endless tube (16) arranged outside cooling water endless tube (15) that glue sprays into; (15) are provided with cooling water inlet and coolant outlet with cooling water endless tube; The endless tube (16) that glue sprays into is provided with glue import; Venturi ejector cylindrical shell (14) pipe wall position be connected with endless tube (16) arranges glue spray orifice.
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| CN201510341145.2A CN104941558B (en) | 2015-06-18 | 2015-06-18 | A kind of continous way prepares the jet flash distillation condensing field of hydrogenated nitrile-butadiene rubber |
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| CN201510341145.2A CN104941558B (en) | 2015-06-18 | 2015-06-18 | A kind of continous way prepares the jet flash distillation condensing field of hydrogenated nitrile-butadiene rubber |
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| CN104941558B CN104941558B (en) | 2017-03-29 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106621430A (en) * | 2015-11-01 | 2017-05-10 | 江苏景泰石油化工装备有限公司 | High-efficiency jacket-type heat-transfer flash evaporation liquid storage tank |
| CN110013815A (en) * | 2019-04-15 | 2019-07-16 | 泉州市五加一电子商务有限公司 | A kind of Aqueous Adhesives reaction kettle based on condensation extension principle |
| CN110479515A (en) * | 2019-09-16 | 2019-11-22 | 山东齐鲁石化工程有限公司 | Combined type glue spraying mouth |
| CN115041123A (en) * | 2022-08-10 | 2022-09-13 | 山东神驰石化有限公司 | Discrete coagulation device for isoprene rubber production |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3836339A (en) * | 1971-06-10 | 1974-09-17 | Penarroya Miniere Metall | Reactor for the production of lead oxide with a high free-lead content |
| CN201276561Y (en) * | 2008-10-10 | 2009-07-22 | 广东轻工职业技术学院 | Jet and mechanical stirring ventilating and energy-saving fermentation cylinder |
| CN102382223A (en) * | 2011-09-08 | 2012-03-21 | 北京化工大学 | Method for preparing brominated butyl rubber |
| CN204097376U (en) * | 2014-06-24 | 2015-01-14 | 华东理工大学工程设计研究院有限公司 | The refining plant of a kind of anthracene, carbazoles high-melting-point substances |
| CN104627971A (en) * | 2015-02-12 | 2015-05-20 | 天津大学 | Device and treating method for purification and dearsenification of industrial yellow phosphorus |
-
2015
- 2015-06-18 CN CN201510341145.2A patent/CN104941558B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3836339A (en) * | 1971-06-10 | 1974-09-17 | Penarroya Miniere Metall | Reactor for the production of lead oxide with a high free-lead content |
| CN201276561Y (en) * | 2008-10-10 | 2009-07-22 | 广东轻工职业技术学院 | Jet and mechanical stirring ventilating and energy-saving fermentation cylinder |
| CN102382223A (en) * | 2011-09-08 | 2012-03-21 | 北京化工大学 | Method for preparing brominated butyl rubber |
| CN204097376U (en) * | 2014-06-24 | 2015-01-14 | 华东理工大学工程设计研究院有限公司 | The refining plant of a kind of anthracene, carbazoles high-melting-point substances |
| CN104627971A (en) * | 2015-02-12 | 2015-05-20 | 天津大学 | Device and treating method for purification and dearsenification of industrial yellow phosphorus |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106621430A (en) * | 2015-11-01 | 2017-05-10 | 江苏景泰石油化工装备有限公司 | High-efficiency jacket-type heat-transfer flash evaporation liquid storage tank |
| CN110013815A (en) * | 2019-04-15 | 2019-07-16 | 泉州市五加一电子商务有限公司 | A kind of Aqueous Adhesives reaction kettle based on condensation extension principle |
| CN110013815B (en) * | 2019-04-15 | 2021-03-19 | 杭州萧山鑫森化工助剂有限公司 | Water-based adhesive reaction kettle based on condensation extension principle |
| CN110479515A (en) * | 2019-09-16 | 2019-11-22 | 山东齐鲁石化工程有限公司 | Combined type glue spraying mouth |
| CN115041123A (en) * | 2022-08-10 | 2022-09-13 | 山东神驰石化有限公司 | Discrete coagulation device for isoprene rubber production |
| CN115041123B (en) * | 2022-08-10 | 2022-10-25 | 山东神驰石化有限公司 | Discrete coagulation device for isoprene rubber production |
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