CN216170582U - Device for purifying alkyl ketene dimer leftovers - Google Patents
Device for purifying alkyl ketene dimer leftovers Download PDFInfo
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- CN216170582U CN216170582U CN202122654938.3U CN202122654938U CN216170582U CN 216170582 U CN216170582 U CN 216170582U CN 202122654938 U CN202122654938 U CN 202122654938U CN 216170582 U CN216170582 U CN 216170582U
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- ketene dimer
- alkyl ketene
- filter plate
- tank body
- trim according
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Abstract
The utility model discloses a device for purifying alkyl ketene dimer leftovers, which comprises a washing device, wherein the washing device comprises a tank body, a stirring device and a pump, an outlet and a filter plate are arranged at the bottom of the tank body, and the filter plate is positioned at the upstream of the outlet; the stirring device is arranged in the tank body, and the pump is connected with the outlet. Adopt the device can realize stirring washing and suction filtration simultaneously, can effectively reduce the volume of device, and then can reduce equipment investment and place area occupied.
Description
Technical Field
The utility model belongs to the technical field of alkyl ketene dimer preparation, and particularly relates to a device for purifying alkyl ketene dimer leftovers.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The final step of the production process is that after stearoyl chloride reacts with organic amine, water is added into the reaction system, and the mixture is stood for layering to remove a water phase, so that the product is dissolved in the residual organic phase. The interface of the organic phase and the aqueous phase is not completely separated, and a transition layer is arranged between the organic phase and the aqueous phase, and the transition layer contains water, organic ammonium salt and alkyl ketene dimer, so that the section is in a chaotic state. At present, the liquid in the transition layer is directly discharged as waste, so that the problems of low product yield, high wastewater treatment cost and the like are caused.
In addition, during granulation, part of uncooled alkyl ketene dimer adheres to the granulation steel belt, and falls directly on the ground from the steel belt after cooling and solidifying along with the operation of the granulation steel belt, so that the part of the product is easily polluted by water and dust accumulated on the ground, and the part of the scrap is huge in quantity.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a device for purifying alkyl ketene dimer leftovers, which can purify the alkyl ketene dimer leftovers and further recover alkyl ketene dimer products from the leftovers.
In order to achieve the purpose, the utility model is realized by the following technical scheme:
a device for purifying alkyl ketene dimer leftovers comprises a washing device, wherein the washing device comprises a tank body, a stirring device and a pump, an outlet and a filter plate are arranged at the bottom of the tank body, and the filter plate is positioned at the upstream of the outlet;
the stirring device is arranged in the tank body, and the pump is connected with the outlet.
The beneficial effects of the utility model are as follows:
the leftovers of the alkyl ketene dimer comprise a transition layer which is subjected to standing and layering and a part which falls on the ground during granulation, so the leftovers to be treated contain impurities such as waste water, dust, organic ammonium salt and the like.
The top of the jar body is provided with material import and washing liquid import, is used for throwing alkyl ketene dimer leftover bits and pieces, water and organic solvent respectively, and wherein, water is used for dissolving the water-soluble material in the leftover bits and pieces, and organic solvent is used for dissolving alkyl ketene dimer, and solid particle such as insoluble dust then can be got rid of through the cooperation suction filtration of pump and filter, and the surplus is in the top of filter. The liquid obtained by suction filtration is a mixed liquid of a water phase and an oil phase, the water phase can be removed through subsequent separation operation, then the solvent in the organic phase is removed through reduced pressure distillation, and the remainder is the recovered alkyl ketene dimer product.
The stirring device can fully mix the alkyl ketene dimer leftovers with water and the organic solvent so as to improve the washing effect.
Adopt the device can realize stirring washing and suction filtration simultaneously, can effectively reduce the volume of device, and then can reduce equipment investment and place area occupied.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model.
FIG. 1 is a schematic diagram of an incubation apparatus for storing alkyl ketene dimer according to one or more embodiments of the present invention.
In the figure: the mutual spacing or size is exaggerated to show the position of each part, and the schematic diagram is only used for illustration;
the device comprises a motor 1, a stirring shaft 2, an upper cover 3, a lower shell 4, a feeding pipe orifice 5, a water injection pipeline 6, a heat-preservation jacket 7, a liquid level sensor 8, a sand core filter plate 9, a support frame 10, a liquid outflow pipeline 11, a valve 12, a temperature sensor 13, a product receiving groove 14 and a vacuumizing device 15.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the utility model as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
In order to better recover the materials of the alkyl ketene dimer leftovers, the following purification devices are provided:
a device for purifying alkyl ketene dimer leftovers comprises a washing device, wherein the washing device comprises a tank body, a stirring device and a pump, an outlet and a filter plate are arranged at the bottom of the tank body, and the filter plate is positioned at the upstream of the outlet;
the stirring device is arranged in the tank body, and the pump is connected with the outlet.
In some embodiments, the paddle of the stirring device is a rake stirrer. During dissolution, the rake stirrer can improve the stirring uniformity and is beneficial to improving the recovery rate of the alkyl ketene dimer product.
Furthermore, the distance between the rake stirrer and the filter plate is 2-3 cm.
Further, the driving motor of the rake mixer is a variable frequency motor.
In some embodiments, the filter panels are sand core filter panels. The sand core filter plate has higher mechanical strength and cannot be damaged under the impact action in the stirring process of the alkyl ketene dimer solution.
Furthermore, the aperture of the sand core filter plate is 20-30 microns.
Furthermore, a support frame is arranged below the sand core filter plate. To ensure the stability of the sand core filter plate.
In some embodiments, the side wall of the tank body is provided with an insulating jacket. The material is heated to 40-60 ℃ by introducing a heating medium into the heat-insulating jacket, and the viscosity of the material is lower than that of the material at normal temperature at the temperature, so that the material is easier to filter.
In some embodiments, a liquid level sensor and a temperature sensor are disposed inside the tank.
In some embodiments, a product receiving tank is also included, the product receiving tank being connected to the outlet of the pump.
Further, a liquid discharge pipe is arranged at the bottom of the product receiving groove.
The mixed liquid phase after the pump filtration is the mixed liquid of the water phase and the oil phase, so that the part of the mixed liquid is pumped into the product receiving tank, the mixed liquid is kept stand and layered in the product receiving tank, the lower water phase can be discharged through the liquid discharge pipe, the liquid discharge pipe is provided with a valve, and after the water phase is discharged, the valve is closed, and the oil phase is stored in the product receiving tank. When the alkyl ketene dimer needs to be purified, the oil phase is evaporated with the solvent to obtain the product.
Furthermore, the vacuum-pumping device is connected with the top of the product receiving groove.
The organic solvent can be removed by evaporation by means of vacuum pumping of the product receiving tank. Heating may be combined to improve the evaporation efficiency of the organic solvent.
Examples
As shown in figure 1, a device for purifying alkyl ketene dimer leftovers comprises a washing device and a product receiving tank 14, wherein the washing device comprises a tank body, a stirring device and a pump, the bottom of the tank body is provided with an outlet and a filter plate, and the filter plate is positioned at the upstream of the outlet; the pump is arranged on a liquid outflow pipeline 11, one end of the liquid outflow pipeline 11 is connected with the outlet of the tank body, and the other end of the liquid outflow pipeline 11 is connected with a product receiving groove 14.
The stirring device is arranged in the tank body, the pump is connected with the outlet, the product receiving tank is connected with the outlet of the pump, the stirring paddle of the stirring device is a rake stirrer, and the distance between the rake stirrer and the filter plate is 2-3 cm. The driving motor 1 of the rake mixer is a variable frequency motor.
The jar body includes upper cover body 3 and lower casing 4, and upper cover body 3 can be followed and casing 4 is pulled down, is provided with feed pipe mouth 5 and water injection pipeline 6 on the upper cover body 3.
The filter plate is a sand core filter plate 9, and the aperture of the sand core filter plate 9 is 20-30 microns. In order to ensure the stability of the sand core filter plate 9, a support frame 10 is arranged below the sand core filter plate.
The side wall of the tank body is provided with a heat-insulating jacket 7 for filling a heating medium into the heat-insulating jacket 7.
Jar internal portion is provided with level sensor 8 and temperature sensor 13, and in actual production, liquid level height in the jar body need be adjusted according to actual production conditions, at jar internal installation level sensor 8 of body, level sensor 8 can be with liquid level information transmission to DCS system, can monitor jar internal liquid level condition at any time.
A drain pipe is provided at the bottom of the product receiving tank 14, and a vacuum pumping device is connected to the top of the product receiving tank.
When the alkyl ketene dimer leftovers are washed, the upper cover body of the tank body is opened, the alkyl ketene dimer leftovers to be washed are added into the tank body, and then the upper cover body is covered. Respectively introducing water and an organic solvent (such as aromatic hydrocarbon or alkane, such as toluene, dichloroethane and the like) into the tank body, starting a stirring device, and fully and uniformly mixing the alkyl ketene dimer leftovers, the water and the organic solvent, wherein the water is used for dissolving water-soluble substances in the leftovers, and the organic solvent is used for dissolving the alkyl ketene dimer.
Stirring a period of time, opening the valve on the drain line at the bottom of the tank body, starting the pump, pumping the solution in the tank body to the product receiving tank, intercepting the insoluble substances in the tank body by the sand core filter plate, and realizing solid-liquid separation. The mixed liquid after being pumped and filtered by the pump is mixed liquid of a water phase and an oil phase, so that the part of the mixed liquid is pumped into the product receiving tank, the mixed liquid is kept stand and layered in the product receiving tank, the water phase below the mixed liquid can be discharged through the liquid discharge pipe, the liquid discharge pipe is provided with a valve, and after the water phase is discharged, the valve is closed, and the oil phase is stored in the product receiving tank. When the alkyl ketene dimer needs to be purified, the product can be obtained by evaporating the solvent from the oil phase through reduced pressure distillation.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a carry out device purified to alkyl ketene dimer leftover bits and pieces which characterized in that: the washing device comprises a tank body, a stirring device and a pump, wherein an outlet and a filter plate are arranged at the bottom of the tank body, and the filter plate is positioned at the upstream of the outlet;
the stirring device is arranged in the tank body, and the pump is connected with the outlet;
still include the product receiving groove, the product receiving groove is connected with the export of pump, and the bottom of product receiving groove is provided with the fluid-discharge tube.
2. The apparatus for purifying alkyl ketene dimer trim according to claim 1, wherein: the stirring paddle of the stirring device is a rake type stirrer.
3. The apparatus for purifying alkyl ketene dimer trim according to claim 2, wherein: the distance between the rake stirrer and the filter plate is 2-3 cm.
4. The apparatus for purifying alkyl ketene dimer trim according to claim 1, wherein: the filter plate is a sand core filter plate.
5. The apparatus for purifying alkyl ketene dimer trim according to claim 4, wherein: the aperture of the sand core filter plate is 20-30 microns.
6. The apparatus for purifying alkyl ketene dimer trim according to claim 4, wherein: and a support frame is arranged below the sand core filter plate.
7. The apparatus for purifying alkyl ketene dimer trim according to claim 1, wherein: the side wall of the tank body is provided with a heat-insulating jacket.
8. The apparatus for purifying alkyl ketene dimer trim according to claim 1, wherein: a liquid level sensor and a temperature sensor are arranged in the tank body.
9. The apparatus for purifying alkyl ketene dimer trim according to claim 1, wherein: the vacuum-pumping device is connected with the top of the product receiving groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122654938.3U CN216170582U (en) | 2021-10-29 | 2021-10-29 | Device for purifying alkyl ketene dimer leftovers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122654938.3U CN216170582U (en) | 2021-10-29 | 2021-10-29 | Device for purifying alkyl ketene dimer leftovers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216170582U true CN216170582U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122654938.3U Active CN216170582U (en) | 2021-10-29 | 2021-10-29 | Device for purifying alkyl ketene dimer leftovers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216170582U (en) |
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2021
- 2021-10-29 CN CN202122654938.3U patent/CN216170582U/en active Active
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