CN210675198U - Preparation of dioctyl sebacate is with preventing emulsification type neutralization apparatus - Google Patents
Preparation of dioctyl sebacate is with preventing emulsification type neutralization apparatus Download PDFInfo
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- CN210675198U CN210675198U CN201921501260.1U CN201921501260U CN210675198U CN 210675198 U CN210675198 U CN 210675198U CN 201921501260 U CN201921501260 U CN 201921501260U CN 210675198 U CN210675198 U CN 210675198U
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Abstract
The utility model provides a dioctyl sebacate preparation is with preventing emulsification type neutralization apparatus, its characterized in that: the oil-water sand washing device comprises a neutralization stirrer, a transfer pipe and a neutralization separator, wherein the bottom of a neutralization reaction chamber is provided with a plurality of stirrers, one side of the lower part of the neutralization reaction chamber is provided with the transfer pipe, the other end of the transfer pipe is connected with the neutralization separator, and an oil-water distributor and a sand washing device are arranged inside the neutralization separator. Compared with the prior art, through the volume of increase neutralization reaction chamber, the time of catalyst and alkali lye abundant contact has been increased, make the catalyst obtain hydrolysising effectively, make it separate more easily, oil water distributor can make the profit obtain effectual distribution, increase the dwell time of oil and water, the installation accessible of sand washing ware is regularly opened rivers and is washed away the mud that the bottom was depositd, prevent that the sludge deposit from occupying effective volume, there is the auxiliary bottle that is equipped with the demulsifier at the transfer line, add in the material with 10 ~ 20ppm addition, can eliminate emulsification phenomenon effectively.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a plasticizer production and processing technology field, in particular to dioctyl sebacate preparation is with preventing emulsification type neutralization apparatus.
[ background of the invention ]
Dioctyl sebacate is an excellent cold-resistant plasticizer, is mainly used for products such as polychloroacetic acid cable materials, films, artificial leather and the like, and can also be used as synthetic lubricating oil, precision machinery oil solvent and synthetic rubber softener.
In the preparation process of dioctyl sebacate, a neutralization and washing step is required, and emulsification occurs in the neutralization and washing process, so that the production of subsequent processes is seriously influenced, and the oil content in neutralization water and washing water is greatly increased during emulsification, so that the material consumption is high, and the sewage quality is seriously deteriorated.
Reasons for the emulsification of the neutralization water-washing system: the hydrolysis of a catalyst in a neutralization reactor is incomplete or a large amount of dirty materials return, oil and water generate emulsion under the action of a large amount of floccules, the oil and water cannot be effectively separated in a neutralization separator, subsequent successive emulsification is caused, if emulsification occurs in a neutralization water washing system, the subsequent stripping and filtering system is directly influenced, the temperature of a tower system of a stripping system is low, the alcohol content exceeds the standard, a filter cake or a filter screen of the filtering system is blocked, and the filtering efficiency is influenced due to ultrahigh pressure.
[ Utility model ] content
An object of the utility model is to overcome above-mentioned prior art not enough, provide a dioctyl sebacate preparation with preventing emulsification type neutralization apparatus, it aims at solving the problem that the dioctyl sebacate took place emulsification phenomenon at the in-process of washing among the prior art.
In order to realize the purpose, the utility model provides a dioctyl sebacate preparation is with preventing emulsification type neutralization apparatus which characterized in that: the oil-water sand washing device comprises a neutralization stirrer, a transfer pipe and a neutralization separator, wherein the neutralization stirrer comprises a neutralization reaction chamber, a stirrer, a driving layer and a base, the bottom of the neutralization reaction chamber is provided with a plurality of stirrers, the lower part of the neutralization reaction chamber is provided with the driving layer, the lower part of the driving layer is provided with the base, one side of the lower part of the neutralization reaction chamber is provided with the transfer pipe, the other end of the transfer pipe is connected with the neutralization separator, an oil-water distributor and a sand washing device are arranged inside the neutralization separator, the bottom of the neutralization separator is provided with a sewage discharge port, and the upper part of the neutralization separator is provided with a coarse ester outlet.
Preferably, the surface of the stirrer is provided with a plurality of stirring blades which are distributed at equal intervals, the bottom of the stirrer is provided with a driving device, the driving device is positioned inside the driving layer, the lower part of the driving device is connected with a working motor, the working motor is positioned inside the base, and the number of the stirrers is 1-4.
Preferably, a plurality of auxiliary bottles filled with the demulsifier are arranged on the transfer pipe, the bottle mouths of the auxiliary bottles are positioned in the transfer pipe, and the diameter of the bottle mouths of the auxiliary bottles is smaller than that of the bottle necks of the auxiliary bottles.
Preferably, the oil-water distributor is located in the middle of the neutralization separator, the oil-water distributor is located below the port of the transfer pipe, the sand washing device is located at the bottom of the neutralization separator, and a sand washing pipe is arranged at one end of the sand washing device, which is far away from the sewage discharge port.
Preferably, the sewage discharge port and the transfer pipe are respectively positioned at the left side and the right side of the neutralization separator, and the crude ester outlet and the sewage discharge port are positioned at the same side.
The utility model has the advantages that: compared with the prior art, the emulsification-proof neutralization device for preparing dioctyl sebacate provided by the utility model has reasonable structure, by increasing the volume of the neutralization reaction chamber, the time for fully contacting the catalyst and the alkali liquor is increased, the catalyst is effectively hydrolyzed and is easier to separate, and the oil-water distributor and the sand washing device are additionally arranged aiming at the phenomenon that the relative retention time of the oil and the water is shortened because the oil and the water are unevenly distributed in the neutralization separator, so that the oil and the water can be effectively distributed, the retention time of the oil and the water is increased, meanwhile, the sand flusher can flush the sludge settled at the bottom to a sewage system through the periodically opened water flow to prevent the sludge sediment from occupying effective volume, an auxiliary bottle filled with a demulsifier is arranged on the transfer pipe, and is added into the materials in an amount of 10-20 ppm, so that the emulsification phenomenon can be effectively eliminated when emulsification occurs.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
[ description of the drawings ]
Fig. 1 is a schematic structural diagram of an emulsification-preventing neutralization device for preparing dioctyl sebacate according to an embodiment of the present invention.
In the figure: 1-neutralization stirrer, 2-neutralization reaction chamber, 3-stirrer, 31-stirring blade, 4-driving layer, 41-driving device, 5-base, 51-working motor, 6-transfer pipe, 61-auxiliary bottle, 7-neutralization separator, 71-oil-water distributor, 72-sand washing device, 721-sand washing pipe, 73-crude ester outlet and 74-sewage discharge outlet.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail through the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Referring to fig. 1, an embodiment of the present invention provides an anti-emulsification type neutralization apparatus for preparing dioctyl sebacate, which is characterized in that: the device comprises a neutralization stirrer 1, a transfer pipe 6 and a neutralization separator 7, wherein the neutralization stirrer 1 comprises a neutralization reaction chamber 2, a stirrer 3, a driving layer 4 and a base 5, the bottom of the neutralization reaction chamber 2 is provided with a plurality of stirrers 3, the lower part of the neutralization reaction chamber 2 is provided with the driving layer 4, the lower part of the driving layer 4 is provided with the base 5, one side of the lower part of the neutralization reaction chamber 2 is provided with the transfer pipe 6, the other end of the transfer pipe 6 is connected with the neutralization separator 7, an oil-water distributor 71 and a sand flushing device 72 are arranged inside the neutralization separator 7, the bottom of the neutralization separator 7 is provided with a sewage discharge port 74, and the upper part of the neutralization separator 7 is provided with a crude ester outlet 73.
The method is characterized in that: the surface of the stirrer 3 is provided with a plurality of stirring blades 31, the stirring blades 31 are distributed at equal intervals, the bottom of the stirrer 3 is provided with a driving device 41, the driving device 41 is positioned inside the driving layer 4, the lower part of the driving device 41 is connected with a working motor 51, the working motor 51 is positioned inside the base 5, and the number of the stirrers 3 is 1-4.
The transfer pipe 6 is provided with a plurality of auxiliary bottles 61 filled with demulsifiers, the bottle openings of the auxiliary bottles 61 are positioned inside the transfer pipe 6, and the diameter of the bottle openings of the auxiliary bottles 61 is smaller than that of the bottle openings of the auxiliary bottles 61.
The oil-water distributor 71 is located in the middle of the neutralization separator 7, the oil-water distributor 71 is located below the port of the transfer pipe 6, the sand flusher 72 is located at the bottom of the neutralization separator 7, and a sand flushing pipe 721 is arranged at one end of the sand flusher 72 far away from the sewage discharge port 74.
The sewage discharge port 74 and the transfer pipe 6 are respectively positioned at the left and right sides of the neutralization separator 7, and the crude ester outlet 73 and the sewage discharge port 74 are positioned at the same side.
The utility model discloses the working process:
the utility model relates to a dioctyl sebacate preparation is with preventing emulsification type neutralization apparatus in the course of the work, through the increase volume with the reacting chamber, and the setting of agitator, the time of catalyst and the abundant contact of alkali lye has been increased, make the catalyst obtain hydrolysising effectively, make it separate more easily, profit shifts to the in-process of neutralization separator through the transfer tube, the auxiliary bottle that is equipped with the demulsifier adds the profit with 10 ~ 20ppm addition, it is inhomogeneous to distribute in the neutralization separator for profit, cause the phenomenon that profit relative dwell time shortens, install oil water distributor and sand washing ware additional, can make the profit obtain effectual distribution, increase the dwell time of oil and water, the rivers that the installation accessible of sand washing ware was regularly opened simultaneously erode the mud that the bottom precipitated to sewage system, prevent that sludge deposit from taking up effective volume.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.
Claims (5)
1. An anti-emulsification type neutralization apparatus for preparing dioctyl sebacate is characterized in that: comprises a neutralization stirrer (1), a transfer pipe (6) and a neutralization separator (7), the neutralization stirrer (1) comprises a neutralization reaction chamber (2), a stirrer (3), a driving layer (4) and a base (5), the bottom of the neutralization reaction chamber (2) is provided with a plurality of stirrers (3), the lower part of the neutralization reaction chamber (2) is provided with a driving layer (4), a base (5) is arranged at the lower part of the driving layer (4), a transfer pipe (6) is arranged at one side of the lower part of the neutralization reaction chamber (2), the other end of the transfer pipe (6) is connected with the neutralization separator (7), an oil-water distributor (71) and a sand washing device (72) are arranged in the neutralization separator (7), the bottom of the neutralization separator (7) is provided with a sewage discharge port (74), and the upper part of the neutralization separator (7) is provided with a crude ester outlet (73).
2. The demulsifying-type neutralizing apparatus for preparing dioctyl sebacate as recited in claim 1, wherein: agitator (3) surface is equipped with a plurality of stirring vane (31), stirring vane (31) are equidistant distribution, the bottom of agitator (3) is equipped with drive arrangement (41), drive arrangement (41) are located inside drive layer (4), the lower part of drive arrangement (41) even has work motor (51), work motor (51) are located inside base (5), the quantity of agitator (3) is 1-4.
3. The demulsifying-type neutralizing apparatus for preparing dioctyl sebacate as recited in claim 1, wherein: the transfer pipe (6) is provided with a plurality of auxiliary bottles (61) filled with demulsifiers, the bottle openings of the auxiliary bottles (61) are positioned inside the transfer pipe (6), and the diameter of the bottle openings of the auxiliary bottles (61) is smaller than that of the bottle openings of the auxiliary bottles (61).
4. The demulsifying-type neutralizing apparatus for preparing dioctyl sebacate as recited in claim 1, wherein: the oil-water distributor (71) is positioned in the middle of the neutralization separator (7), the oil-water distributor (71) is positioned below the port of the transfer pipe (6), the sand flushing device (72) is positioned at the bottom of the neutralization separator (7), and a sand flushing pipe (721) is arranged at one end, away from the sewage discharge port (74), of the sand flushing device (72).
5. The demulsifying-type neutralizing apparatus for preparing dioctyl sebacate as recited in claim 1, wherein: the sewage discharge port (74) and the transfer pipe (6) are respectively positioned at the left side and the right side of the neutralization separator (7), and the crude ester outlet (73) and the sewage discharge port (74) are positioned at the same side.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921501260.1U CN210675198U (en) | 2019-09-10 | 2019-09-10 | Preparation of dioctyl sebacate is with preventing emulsification type neutralization apparatus |
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| CN201921501260.1U CN210675198U (en) | 2019-09-10 | 2019-09-10 | Preparation of dioctyl sebacate is with preventing emulsification type neutralization apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110449107A (en) * | 2019-09-10 | 2019-11-15 | 浙江伟博化工科技有限公司 | In a kind of dioctyl sebacate preparation anti-emulsion type and device |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110449107A (en) * | 2019-09-10 | 2019-11-15 | 浙江伟博化工科技有限公司 | In a kind of dioctyl sebacate preparation anti-emulsion type and device |
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