CN202881142U - Sodium chloride separation and recovery system in sulfurized isobutylene production process - Google Patents
Sodium chloride separation and recovery system in sulfurized isobutylene production process Download PDFInfo
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- CN202881142U CN202881142U CN 201220588691 CN201220588691U CN202881142U CN 202881142 U CN202881142 U CN 202881142U CN 201220588691 CN201220588691 CN 201220588691 CN 201220588691 U CN201220588691 U CN 201220588691U CN 202881142 U CN202881142 U CN 202881142U
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- dechlorination reaction
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Abstract
The utility model relates to a sodium chloride separation and recovery system in a sulfurized isobutylene production process, which comprises a primary dechlorination reaction kettle, a secondary dechlorination reaction kettle, a three-phase separator, a refining device and a finished product storage tank. The utility model is technically characterized in that the primary dechlorination reaction kettle, two-phase separator, secondary dechlorination reaction kettle, three-phase separator, refining device and finished product storage tank are sequentially connected; a discharge port of the secondary dechlorination reaction kettle is communicated with a feed port of the three-phase separator; a liquid phase outlet of the three-phase separator is communicated with the sodium sulfide recovery system; an oil phase outlet is communicated with the refining device; and gas outlets of the primary and secondary dechlorination reaction kettles are communicated with a hydrogen sulfide absorption system. The utility model greatly reduces the discharge amount of the final waste liquid, and thus, has high environmental protection value; the disc separator is utilized to implement oil-water-solid three-phase separation to remove particle impurities in the oil-water mixture, thereby enhancing the purity of the oil phase product; and the system adopts completely-closed design, so that all the waste gas generated by the dechlorination reaction is recovered and reutilized, thereby lowering the production cost.
Description
Technical field
The utility model relates to a kind of sodium-chlor separation and recovery system, relates in particular to a kind of whizzer that uses to the separation and recovery system of institute's precipitated sodium chloride, and the production process that it is mainly used in sulfide isobutene belongs to field of fine chemical.
Background technology
Sulfide isobutene (T321) is a kind of lubricated oil additives, and oil soluble is good, and sulfur-bearing is high, and is little to the corrodibility of non-ferrous metal, is widely used in modulating in the recombiner of automotive gear oil, instrument gear oil, and there is no at present alternative product.Mainly contain following three phase components in the material of non-pressure process sulfide isobutene after dechlorination: 1. contain Na
2The water of S; 2. the oil phase that contains crude product; 3. micron-sized impurity particle solid phase.In the production process, if three phase components effectively can not be separated, will certainly reduce production efficiency, affect end product quality.
Wherein the sulphur chlorination isobutene dechlorination reaction can generate a large amount of NaCl; if do not deal carefully with; easily separate out in the subsequent step; cause that solid phase particles shape material deposits in a large number in the follow-up three phase separation process; and need to often shut down removal of impurities; greatly restricted production efficiency, it is difficult to the NaCl effective separation in the granule foreign in addition.For addressing the above problem, normally used method is to improve the shared ratio of water in the three-phase mixed solution, makes the NaCl dissolving.But this method is not only wasted great lot of water resources, because the NaCl amount of separating out is excessive, is difficult to also guarantee that NaCl all dissolves even improve watr-proportion, still has to separate out, and does not effectively address the above problem.
Summary of the invention
For addressing the above problem, the sodium-chlor separation and recovery system that provides in a kind of sulfide isobutene production process of the present utility model, be in system, to adopt centrifugal device that the NaCl that separates out is carried out Separation and Recovery specifically, solved that NaCl separates out problems such as being difficult to separation in the prior art in pipeline.
The utility model provides following technical scheme: the sodium-chlor separation and recovery system in the sulfide isobutene production process, comprise the dechlorination reaction still one time, secondary dechlorination reaction still, three-phase separating device, refining plant, finished product storage tank, its technical essential is: a dechlorination reaction still, two phase-separating device, secondary dechlorination reaction still, three-phase separating device, refining plant, finished product storage tank connects successively, wherein secondary dechlorination reaction still discharge port is connected with the three-phase separating device opening for feed, the liquid-phase outlet of three-phase separating device is connected with the sodium sulphite recovery system, and the oil phase outlet is connected with refining plant; Once, the venting port of secondary dechlorination reaction still is connected with the hydrogen sulfide absorption system.
Described three-phase separating device is disk centrifuge.
Described two phase-separating device are the solid-liquid whizzer.
Compared with prior art, the beneficial effects of the utility model are as follows: once, increase by two phase-separating device between the secondary dechlorination reaction still, the NaCl that separates out is separated fully with oil-water mixture, greatly reduced final discharging of waste liquid amount, have the high value of environmental protection; Adopt disk centrifuge to the solid three phase separation of profit, not only the profit two-phase is separated fully, with the Na of aqueous phase
2The S retrieval system recycles, and removes the granulometric impurity in the oil-water mixture, has improved the purity of oil-phase product; System adopts totally-enclosed design, with the waste gas produced complete recycling of dechlorination reaction, has reduced production cost.
Description of drawings
Fig. 1 is the utility model equipment connecting relation schematic diagram.
Reference numeral explanation: 1. dechlorination reaction still; 2. two-phase separating machine; 3. secondary dechlorination reaction still; 4. three-phase separator; 5. refining plant; 6. finished product storage tank; A. sulphur chlorination isobutene; B. profit is consolidated the three-phase suspension; C. solid impurity; D. water; E. finished product; E. crude product; F. hydrogen sulfide.
The below will be described in further detail the utility model by drawings and Examples; but following example only is the utility model example wherein; do not represent the rights protection scope that the utility model limits, rights protection scope of the present utility model is as the criterion with claims.
Embodiment
As shown in Figure 1, sodium-chlor separation and recovery system in the sulfide isobutene production process of the present utility model, one time dechlorination reaction still 1, two-phase separating machine 2, secondary dechlorination reaction still 3, three-phase separator 4, refining plant 5, finished product storage tank 6 connect successively, described three-phase separator 1 is disk centrifuge, two-phase separating machine 2 is the solid-liquid whizzer, wherein secondary dechlorination reaction still 3 discharge ports are connected with three-phase separator 4 opening for feeds, the liquid-phase outlet of three-phase separator 4 is connected with the sodium sulphite recovery system, and the oil phase outlet is connected with refining plant; Once, the venting port of secondary dechlorination reaction still is connected with the hydrogen sulfide absorption system.
The sulphur chlorination isobutene A that is produced by the preorder technological reaction is transported to once, secondary dechlorination reaction still 1,3 carries out twice dechlorination, between two reactors, be provided with two phase-separating device 2, in the dechlorination reaction still, water is the sodium sulfide solution of high density, cause the sodium-chlor that produces in the reactor 1 to be separated out owing to solution is saturated, get rid of through two phase-separating device 2; The hydrogen sulfide waste gas F that two reactors 1,3 produce passes into by the road and carries out recycling in the waste gas absorbing system; The solid three-phase suspension B of gained profit enters three-phase separating device 4 after the secondary dechlorination, and micron order solid phase impurity C, sodium sulphite water D are separated with crude product oil phase e, and crude product e gets sulfide isobutene finished product E and passes into finished pot 6 after refining plant 5 is made with extra care.
Above-mentioned disk centrifuge is a kind of vertical centrifugal machine, and rotary drum is contained in vertical shaft upper end, by transmission mechanism by motor drive high speed rotating.One group of dish-shaped part--video disc that is nested in is mutually together arranged in the rotary drum.Leave very little gap between video disc and the video disc.Suspension (or emulsion) adds rotary drum by the feed-pipe that is positioned at the rotary drum center.When suspension (or emulsion) flow through gap between the video disc, solid particulate (or drop) was deposited to video disc and forms sediment (or liquid layer) under the whizzer effect.Sediment breaks away from video disc along the disc surface slip and accumulates in the position of rotary drum interior diameter maximum, and the liquid after the separation is discharged rotary drum from liquid outlet.The effect of video disc is the settling height that shortens solid particulate (or drop), the settling area that enlarges rotary drum, has greatly improved the throughput of separating machine in the rotary drum because video disc being installed.The solid that accumulates in the rotary drum is taken rotary drum apart by artificial removing after separating machine is shut down, or discharges from rotary drum in non-stop-machine situation by slagging device.
Its operating process is as follows in the present embodiment: treat refining material: 5m
3Contain oil phase 45% water 65% solid phase＜3 ‰, with opening of device, after (frequency of frequency-variable controller shows that 50Hz can begin to feed intake) unlatching volume is regulated the feed valve valve after rotating speed reaches design requirements, oil phase and water then flow into the container of appointments operation through 40min from different outlets continuously, feed separation finishes, open the solid materials discharging, can realize the discharging of solid material, thereby reached in the production of sulfide isobutene, the refining material of band is realized the production purpose of three phase separation under totally enclosed condition.
Claims (3)
1. the sodium-chlor separation and recovery system in the sulfide isobutene production process, comprise dechlorination reaction still, secondary dechlorination reaction still, three-phase separating device, refining plant, finished product storage tank, it is characterized in that: one time dechlorination reaction still, two phase-separating device, secondary dechlorination reaction still, three-phase separating device, refining plant, finished product storage tank connect successively, wherein secondary dechlorination reaction still discharge port is connected with the three-phase separating device opening for feed, the liquid-phase outlet of three-phase separating device is connected with the sodium sulphite recovery system, and the oil phase outlet is connected with refining plant; Once, the venting port of secondary dechlorination reaction still is connected with the hydrogen sulfide absorption system.
2. sodium-chlor separation and recovery system according to claim 1, it is characterized in that: described three-phase separating device is disk centrifuge.
3. sodium-chlor separation and recovery system according to claim 1, it is characterized in that: described two phase-separating device are the solid-liquid whizzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220588691 CN202881142U (en) | 2012-11-09 | 2012-11-09 | Sodium chloride separation and recovery system in sulfurized isobutylene production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220588691 CN202881142U (en) | 2012-11-09 | 2012-11-09 | Sodium chloride separation and recovery system in sulfurized isobutylene production process |
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| Publication Number | Publication Date |
|---|---|
| CN202881142U true CN202881142U (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220588691 Expired - Fee Related CN202881142U (en) | 2012-11-09 | 2012-11-09 | Sodium chloride separation and recovery system in sulfurized isobutylene production process |
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| CN (1) | CN202881142U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108558827A (en) * | 2018-07-10 | 2018-09-21 | 吴忠杰 | Sulfide isobutene high pressure continuous process system and method |
-
2012
- 2012-11-09 CN CN 201220588691 patent/CN202881142U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108558827A (en) * | 2018-07-10 | 2018-09-21 | 吴忠杰 | Sulfide isobutene high pressure continuous process system and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20201109 |