A kind of pinacoline crude product mixing liquid separating apparatusTechnical field
The present invention relates to chemical production device field more particularly to a kind of pinacoline crude product mixing liquid separating apparatus.
Background technology
Pinacoline is also known as 3,3- dimethyl-2-butanones, and methyl-tert .- butyl ketone is production pesticide（Powder embroiders peaceful, paclobutrazol etc.Pesticide）Important source material and organic chemical industry's intermediate, it is a variety of fine that many enterprises pinacoline produces pesticide, medicine, dyestuff etc.Chemical products, in terms of synthetic pesticide especially synthesizing triazole pesticide has huge application potential.
In the 70-80 ages, many research institutions of China and manufacturer have been carried out using pinacoline as raw material, to triazolone, spyImitate azoles, the pesticide manufacturings such as paclobutrazol so that the production of pinacoline has started a climax, successively exploitation and perfect pivalic acidNumerous synthetic methods, yield, content, the impurity of product such as method, rearrangement method, five carbenes and its derivative synthesis method, oxidizing process containAmount etc. has obtained unprecedented promotion so that domestic pinacoline production technology has entered world-class ranks.
Pinacoline crude product mixed solution can be generated after technique condensation reaction, road hydrochloric acid detaches after need to carrying out, crude product distillationTechnique.The key technology of crude product mixed liquor isolation technics system two procedures, the effect of separation is to rear road distillation technique, the property of productIt can the most important and domestic key reason that much producers pinacoline impurity is higher, purity is relatively low.Traditional pinacoline separationTechnology uses the technology mode that stratification manually detaches, such method time and effort consuming；Therefore intend developing a kind of new device,Physical property according to pinacoline and hydrochloric acid solution density is different, and pinacoline floats on liquid upper, hydrochloric acid solution in liquid lower part,Under the action of apparatus structure, pinacoline can be continuously flow in pinacoline collecting tank, and hydrochloric acid solution can flow to hydrochloric acid collection automaticallyIn tank, without manually detaching.
Invention content
The technical problem to be solved in the present invention is to provide a kind of pinacoline crude product mixing liquid separating apparatus, can solve generalPinacoline condensation process produce with a large amount of hydrochloric acid outputs and using stratification separation by the way of the time-consuming expense of inefficiencyThe problem of power.
In order to solve the above technical problems, the technical scheme is that：A kind of pinacoline crude product mixing liquid separating apparatus,Innovative point is：Including reaction kettle, distributor, knockout drum and collecting tank；
The distributor includes the first distributor, the second distributor and third distributor, and the distributor at least has there are two defeatedOutlet；The knockout drum includes level-one knockout drum, the second-order separation tank and three-level knockout drum, and there are two output terminals for the knockout drum toolAnd respectively hydrochloric acid output terminal and pinacoline output terminal；The collecting tank includes hydrochloric acid collecting tank and pinacoline collecting tank；
The input terminal of first distributor is connected to the output terminal of reaction kettle, and the output terminal of the first distributor is connected to oneOn the grade input terminal of knockout drum and the input terminal of the second distributor；
The output terminal of second distributor is connected on the second-order separation tank；The hydrochloric acid output terminal of the level-one knockout drum connectsIt is connected on hydrochloric acid collecting tank, the pinacoline output terminal of the level-one knockout drum is connected on third distributor；
The pinacoline output terminal of the second-order separation tank is connected on three-level knockout drum, and the hydrochloric acid output terminal of the second-order separation tank connectsIt is connected on hydrochloric acid collecting tank；The output terminal of the third distributor is connected on three-level knockout drum, the salt of the three-level knockout drumSour output terminal is connected on hydrochloric acid collecting tank, and the pinacoline output terminal of the three-level knockout drum is connected on pinacoline collecting tank.
Further, there are two output terminal, first distributor, the second distributor and third distributions for the distributor toolDevice is respectively there are one tools；There are one the level-one knockout drum tools, and there are two the second-order separation tank tools, and there are three three-level knockout drum tools.
Further, the distributor includes outer barrel, input pipe, delivery outlet, distributing slot, partition board and swingle；It is describedOuter barrel is transparent, and the top of outer barrel is extended in outer barrel along vertical direction an input pipe, the outer barrelBottom end among be recessed inwardly to form the supporting table of conducting, set between the outer wall bottom end of the supporting table and the inner wall of outer barrelThere is a partition board, delivery outlet is respectively arranged on the outer barrel of partition board both sides；The distributing slot is arranged on input pipe and supportBetween platform, the bottom end of distributing slot is provided with a swingle in the supporting table of conducting, and tap hole is provided on the distributing slot,The number for tap hole being controlled to be located at partition board both sides by rotating swingle, the fluid flow of control partition board both sides.
Further, the knockout drum includes outer tank body, inlet tube, hydrochloric acid liquid outlet and pinacoline liquid outlet；It is described intoThe side of liquid pipe stretches to the center of outer tank body and inlet tube is placed in the vertical direction in the center of outer tank body andThe output port of inlet tube is less than pinacoline liquid outlet, and the pinacoline liquid outlet is arranged on the side of outer tank body, the hydrochloric acidLiquid outlet is arranged on the bottom end of outer tank body.
The advantage of the invention is that：
1）Pinacoline crude product mixed liquor is distributed using multistage in the present invention, and the mode of multi-stage separation is being distributed in crude product mixed liquorShunting of the distributor to crude product mixed liquor is realized according to practically necessary flow using the distributing slot of distributor in device, by dividingThe lower section that extends to pinacoline go out oral fluid is extended in from the feed liquor nozzle set in tank in knockout drum, and pinacoline can float on hydrochloric acidTop is flowed out from pinacoline liquid outlet, and hydrochloric acid can then send hydrochloric acid liquid outlet to flow out, when giving the enough separation of crude product mixed liquorBetween and enough separation number, improve the separative efficiency of pinacoline.
Description of the drawings
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a kind of structure diagram of pinacoline crude product mixing liquid separating apparatus of the present invention.
Fig. 2 is a kind of distributor schematic diagram of pinacoline crude product mixing liquid separating apparatus of the present invention.
Fig. 3 is a kind of knockout drum schematic diagram of pinacoline crude product mixing liquid separating apparatus of the present invention.
Specific embodiment
The following examples can make professional and technical personnel that the present invention be more fully understood, but therefore not send out thisIt is bright to be limited among the embodiment described range.
A kind of pinacoline crude product mixing liquid separating apparatus as shown in Figure 1 to Figure 3, including reaction kettle 1, distributor 2, separationTank 3 and collecting tank 4.
Distributor 2 includes the first distributor 21, the second distributor 22 and third distributor 23, and the distributor 2 at least hasThere are two output terminals；The knockout drum 3 includes level-one knockout drum 31, the second-order separation tank 32 and three-level knockout drum 33, the separationThere are two output terminal and respectively hydrochloric acid output terminals and pinacoline output terminal for the tool of tank 3；The collecting tank 4 includes hydrochloric acid collecting tank 41With pinacoline collecting tank 42.
The input terminal of first distributor 21 is connected to the output terminal of reaction kettle 1, and the output terminal of the first distributor 21 connects respectivelyIt is connected on the input terminal of level-one knockout drum 31 and the input terminal of the second distributor 22.
The output terminal of second distributor 22 is connected on the second-order separation tank 32；The hydrochloric acid of the level-one knockout drum 31 is defeatedOutlet is connected on hydrochloric acid collecting tank 41, and the pinacoline output terminal of the level-one knockout drum 31 is connected on third distributor 23.
The pinacoline output terminal of the second-order separation tank 32 is connected on three-level knockout drum 33, the hydrochloric acid output of the second-order separation tank 32End is connected on hydrochloric acid collecting tank 31；The output terminal of the third distributor 23 is connected on three-level knockout drum 33, the three-levelThe hydrochloric acid output terminal of knockout drum 33 is connected on hydrochloric acid collecting tank 41, and the pinacoline output terminal of the three-level knockout drum 33 is connected toOn pinacoline collecting tank 42.
There are two output terminals for the tool of distributor 2, and first distributor 21, the second distributor 22 and third distributor 23 are each to be hadThere are one；There are one the tools of level-one knockout drum 31, and there are two the tools of the second-order separation tank 32, and there are three the tools of three-level knockout drum 33.
Distributor 2 includes outer barrel 24, input pipe 25, delivery outlet 26, distributing slot 27, partition board 28 and swingle 29；It is describedOuter barrel 24 is transparent, and the top of outer barrel 24 is extended in outer barrel 24 along vertical direction an input pipe 25,It is recessed inwardly to form the supporting table 20 of conducting among the bottom end of the outer barrel 24, the outer wall bottom end of the supporting table 20 and outer barrelA partition board 28 is provided between the inner wall of body 24, delivery outlet 26 is respectively arranged on the outer barrel 24 of 28 both sides of partition board；InstituteIt states distributing slot 27 to be arranged between input pipe 25 and supporting table 20, the bottom end of distributing slot 27 is set in the supporting table 20 of conductingThere is a swingle 29, tap hole is provided on the distributing slot 27, tap hole is controlled to be located at partition board 28 by rotating swingle 29The number of both sides, the fluid flow of 28 both sides of control partition board.
Knockout drum 3 includes outer tank body 34, inlet tube 35, hydrochloric acid liquid outlet 36 and pinacoline liquid outlet 37；The inlet tube35 side stretches to the center of outer tank body 34 and inlet tube 35 is set along vertical direction in the center of outer tank body 34It puts and the output port of inlet tube 35 is less than pinacoline liquid outlet 37, the pinacoline liquid outlet 37 is arranged on the side of outer tank bodySide, the hydrochloric acid liquid outlet 36 are arranged on the bottom end of outer tank body 34.
It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, above-described embodiment and explanationMerely illustrating the principles of the invention described in book, without departing from the spirit and scope of the present invention, the present invention also haveVarious changes and modifications, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the inventionIt is defined by the appending claims and its equivalent thereof.