CN106823905B - Process and device for preparing calcium stearate dispersion liquid - Google Patents
Process and device for preparing calcium stearate dispersion liquid Download PDFInfo
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- CN106823905B CN106823905B CN201710202539.9A CN201710202539A CN106823905B CN 106823905 B CN106823905 B CN 106823905B CN 201710202539 A CN201710202539 A CN 201710202539A CN 106823905 B CN106823905 B CN 106823905B
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- calcium stearate
- dispersion liquid
- buffer tank
- glue solution
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/75—Discharge mechanisms
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- Chemical Kinetics & Catalysis (AREA)
- Colloid Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention belongs to the field of petrochemical industry, and in particular relates to a preparation process and a preparation device of calcium stearate dispersion liquid. The invention has the advantages that the good dispersion can lead the particle size of the colloidal particles to be more moderate and uniform, and reduces the solvent loss caused by the large particle size colloidal particle residual solvent and the influence of the solvent gas escaped from the post-treatment procedure on the environment, thereby improving the operation stability of the device, improving the operation environment, improving the product quality, reducing the material consumption and reducing the environmental pollution.
Description
Technical Field
The invention relates to a preparation process and a preparation device of calcium stearate dispersion liquid, and belongs to the field of petrochemical industry.
Background
In the production process of halogenated butyl rubber, calcium stearate is a very important additive, plays a role in uniformly dispersing colloidal particles, and the preparation and addition process of the dispersion liquid have great influence on the performance of the product. The preparation and addition mode of the calcium stearate dispersion liquid in the existing halogenated butyl rubber production device is that the calcium stearate powder is firstly added into water for preparation, the calcium stearate dispersion liquid and circulating hot water are mixed and enter a halogenated flash tank after the preparation is completed, the glue liquid independently enters the halogenated flash tank, and the calcium stearate disperses colloidal particles in the flash tank. The preparation and addition modes of the calcium stearate dispersion liquid lead the water phase in the dispersed glue solution/water mixed system to be white, and a large amount of calcium stearate exists in the water phase so that the utilization rate of the calcium stearate is low; the dispersion effect is also unsatisfactory, and the colloidal particles are too large and too small, so that the operation difficulty of the post-treatment process is increased, the product quality is reduced, and the consumption of calcium stearate is increased.
Disclosure of Invention
The invention aims to solve the technical problems that: provides a preparation process and a preparation device of calcium stearate dispersion liquid with high calcium stearate utilization rate and good colloidal particle dispersion effect.
The preparation process of the calcium stearate dispersion liquid is characterized in that hexane is introduced into a calcium stearate preparation tank, then calcium stearate solid powder is added, the mixture is stirred and uniformly mixed to form solvent type calcium stearate dispersion liquid, the solvent type calcium stearate dispersion liquid is discharged into a calcium stearate buffer tank through self-flow, a part of solvent type calcium stearate dispersion liquid in the calcium stearate buffer tank is sent into a calcium stearate glue solution mixer, a part of solvent type calcium stearate dispersion liquid is circulated and refluxed into the calcium stearate buffer tank, and the glue solution and the solvent type calcium stearate dispersion liquid are fully mixed and homogenized in the calcium stearate glue solution mixer, and then enter a halogenation flash tank.
The calcium stearate glue solution mixer adopts a mode of lower inlet and upper outlet, so that the calcium stearate dispersion solution and the glue solution are fully contacted, mixed and homogenized in the calcium stearate glue solution mixer in advance.
The invention relates to a device for a calcium stearate dispersion liquid preparation process, which comprises a calcium stearate preparation tank, wherein the upper part of the calcium stearate preparation tank is respectively communicated with a solvent feeding pipe and a powder material feeding pipe, the bottom of the calcium stearate preparation tank is communicated with a calcium stearate buffer tank, the calcium stearate buffer tank is communicated with a conveying pump, the conveying pump is respectively communicated with the calcium stearate buffer tank through a return pipe, and the conveying pump is communicated with a calcium stearate glue solution mixer through an output pipe.
Adding proper solvent hexane into a calcium stearate preparation tank to mix with calcium stearate solid powder, wherein the calcium stearate preparation tank is communicated with a calcium stearate buffer tank, the calcium stearate buffer tank is communicated with a calcium stearate delivery pump, the calcium stearate delivery pump is communicated with a calcium stearate glue solution mixer, and the calcium stearate glue solution mixer is communicated with a halogenation flash tank. Introducing a certain amount of solvent hexane into a calcium stearate preparation tank, adding a certain amount of calcium stearate solid powder, stirring uniformly to obtain solvent-type calcium stearate dispersion liquid, discharging into a calcium stearate buffer tank, feeding the materials in the calcium stearate buffer tank into a calcium stearate glue solution mixer by a calcium stearate delivery pump, fully mixing and homogenizing the glue solution and the solvent-type calcium stearate dispersion liquid in the calcium stearate glue solution mixer, and then entering a halogenation flash tank.
The top of the calcium stearate buffer tank is provided with a dispersion liquid material feeding pipe, the bottom of the calcium stearate buffer tank is provided with a dispersion liquid material discharging pipe, the dispersion liquid material feeding pipe is communicated with the bottom of the calcium stearate preparation tank, and the dispersion liquid material discharging pipe is communicated with a conveying pump.
The junction of back flow and calcium stearate buffer tank is located the upper portion of calcium stearate buffer tank.
The top of the calcium stearate glue solution mixer is provided with a mixture outlet, the bottom of the calcium stearate glue solution mixer is provided with a mixture inlet, and the mixture inlet is communicated with an output pipe and a glue solution feeding pipe.
And stirring devices are arranged in the calcium stearate preparation tank, the calcium stearate buffer tank and the calcium stearate glue solution mixer.
The stirring device comprises a driving motor, the output end of the driving motor is connected with a stirring shaft, the stirring shaft is vertically arranged, and stirring blades are arranged at the bottom of the stirring shaft.
The beneficial effects of the invention are as follows:
1) The system adopts more reasonable solvent to replace hot water, the prepared solvent type calcium stearate dispersion liquid has higher utilization rate of calcium stearate than that of water-based calcium stearate dispersion liquid, and the loss of calcium stearate can be reduced by about 10%;
2) The system adopts the solvent to prepare the dispersion liquid, so that the sewage discharge amount is reduced compared with that of the aqueous dispersion liquid, and the sewage discharge amount is reduced by about 210kg/h by taking a 5 ten thousand ton/year halogenated butyl rubber device as an example;
3) The device has improved the dispersion effect of micelle, and good dispersion can make the micelle granularity more moderate even, has reduced the solvent loss that big granularity micelle residual solvent caused more and the influence of aftertreatment process escape solvent gas to the environment, has reduced simultaneously that big granularity micelle is to the pipeline jam and the easy water loss etc. of following the desorption of small granularity micelle to improve the operating stability of device, improved operational environment, improved product quality, reduced material consumption, reduced environmental pollution.
Drawings
Fig. 1 is a schematic structural view of the present invention.
In the figure: 1. a powder material feeding pipe; 2. a solvent feeding pipe; 3. a calcium stearate preparation tank; 4. a calcium stearate buffer tank; 5. a transfer pump; 6. glue solution feeding pipe; 7. stirring blades; 8. a mixture outlet; 9. a stirring shaft; 10. a calcium stearate glue solution mixer.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1, the preparation process of the calcium stearate dispersion liquid of the invention is characterized in that: hexane is introduced into a calcium stearate preparation tank 3, then calcium stearate solid powder is added, the mixture is stirred and uniformly mixed to form solvent-type calcium stearate dispersion liquid, the solvent-type calcium stearate dispersion liquid is discharged into a calcium stearate buffer tank 4 by self flow, a part of solvent-type calcium stearate dispersion liquid in the calcium stearate buffer tank 4 is sent into a calcium stearate glue solution mixer 10, a part of solvent-type calcium stearate dispersion liquid is circulated and flows back into the calcium stearate buffer tank 4, and the glue solution and the solvent-type calcium stearate dispersion liquid are fully mixed and homogenized in the calcium stearate glue solution mixer and then enter a halogenation flash tank. The calcium stearate glue solution mixer 10 adopts a mode of entering from the lower part and exiting from the upper part, so that the calcium stearate dispersion solution and the glue solution are fully contacted, mixed and homogenized in the calcium stearate glue solution mixer (10).
The invention relates to a device for a calcium stearate dispersion liquid preparation process, which comprises a calcium stearate preparation tank 3, wherein the upper part of the calcium stearate preparation tank 3 is respectively communicated with a solvent feeding pipe 2 and a powder material feeding pipe 1, the bottom of the calcium stearate preparation tank is communicated with a calcium stearate buffer tank 4, the calcium stearate buffer tank 4 is communicated with a delivery pump 5, the delivery pump 5 is respectively communicated with the calcium stearate buffer tank 4 through a return pipe, and the delivery pump is communicated with a calcium stearate glue solution mixer 10 through an output pipe. The top of the calcium stearate buffer tank 4 is provided with a dispersion liquid material feeding pipe, the bottom of the calcium stearate buffer tank is provided with a dispersion liquid material discharging pipe, the dispersion liquid material feeding pipe is communicated with the bottom of the calcium stearate preparation tank 3, and the dispersion liquid material discharging pipe is communicated with the delivery pump 5. The junction of the return pipe and the calcium stearate buffer tank 4 is positioned at the upper part of the calcium stearate buffer tank 4. The top of the calcium stearate glue solution mixer 10 is provided with a mixture outlet 8, the bottom is provided with a mixture inlet, and the mixture inlet is communicated with the output pipe and the glue solution feeding pipe 6. Stirring devices are arranged in the calcium stearate preparation tank 3, the calcium stearate buffer tank and the calcium stearate glue solution mixer 10. The stirring device comprises a driving motor, the output end of the driving motor is connected with a stirring shaft 9, the stirring shaft 9 is vertically arranged, and stirring blades 7 are arranged at the bottom of the stirring shaft 9.
The direction of the arrows in the figures is the direction of flow of the process fluid.
A certain amount of hexane is added into a calcium stearate preparation tank 3 through a solvent feeding pipe 2, then a certain amount of calcium stearate solid powder is added into a powder material feeding pipe 1, the mixture is stirred and uniformly mixed into a solvent type calcium stearate dispersion liquid, the material is discharged into a calcium stearate buffer tank 4 through self-flow, a part of solvent type calcium stearate dispersion liquid in the calcium stearate buffer tank 4 is sent into a calcium stearate glue solution mixer 10 through a calcium stearate conveying pump 5, and a part of solvent type calcium stearate dispersion liquid is circulated and refluxed into the calcium stearate buffer tank 4. The calcium stearate glue mixer 10 is provided with a stirrer, and materials adopt a mode of entering from below and exiting from above, so that calcium stearate dispersion liquid and glue liquid are fully contacted, mixed and homogenized in advance in a special container to form a uniform system, and the subsequent dispersion stage is facilitated. The solvent-type calcium stearate dispersion liquid and the glue liquid mixture sent out from the upper part of the calcium stearate glue liquid mixer 10 enter a halogenation flash tank for further dispersion flash evaporation.
The effects of adding the prepared solvent type and the aqueous calcium stearate dispersion liquid into the glue solution/water mixed system respectively are subjected to experimental comparison. Adding the aqueous dispersion into the mixed system, wherein both the glue solution and the water phase become white, and a large amount of calcium stearate exists in the water phase; the solvent type calcium stearate dispersion liquid is added into the mixed system, so that the oil-water phase is quickly layered, the water phase is clean and transparent, the oil phase is white, and the utilization rate of the solvent type calcium stearate dispersion liquid is higher.
Claims (7)
1. A preparation process of a calcium stearate dispersion liquid is characterized in that: hexane is introduced into a calcium stearate preparation tank (3), then solid calcium stearate powder is added, the solid calcium stearate powder is stirred and mixed uniformly to form solvent-type calcium stearate dispersion liquid, the solvent-type calcium stearate dispersion liquid is discharged into a calcium stearate buffer tank (4) through self-flow, a part of solvent-type calcium stearate dispersion liquid in the calcium stearate buffer tank (4) is sent into a calcium stearate glue solution mixer (10), a part of solvent-type calcium stearate dispersion liquid is circulated and refluxed into the calcium stearate buffer tank (4), and the glue solution and the solvent-type calcium stearate dispersion liquid are fully mixed and homogenized in the calcium stearate glue solution mixer and then enter a halogenation flash tank;
the device for the preparation process of the calcium stearate dispersion liquid comprises a calcium stearate preparation tank (3), wherein the upper part of the calcium stearate preparation tank (3) is respectively communicated with a solvent feeding pipe (2) and a powder material feeding pipe (1), the bottom of the calcium stearate preparation tank is communicated with a calcium stearate buffer tank (4), the calcium stearate buffer tank (4) is communicated with a conveying pump (5), the conveying pump (5) is respectively communicated with the calcium stearate buffer tank (4) through a return pipe, and the conveying pump is communicated with a calcium stearate glue liquid mixer (10) through an output pipe.
2. The process for preparing a calcium stearate dispersion according to claim 1, characterized in that: the calcium stearate glue solution mixer (10) adopts a mode of entering from bottom to top, so that the calcium stearate dispersion solution and the glue solution are fully contacted, mixed and homogenized in the calcium stearate glue solution mixer (10).
3. The process for preparing a calcium stearate dispersion according to claim 1, characterized in that: the top of the calcium stearate buffer tank (4) is provided with a dispersion liquid material feeding pipe, the bottom of the calcium stearate buffer tank is provided with a dispersion liquid material discharging pipe, the dispersion liquid material feeding pipe is communicated with the bottom of the calcium stearate preparation tank (3), and the dispersion liquid material discharging pipe is communicated with a conveying pump (5).
4. The process for preparing a calcium stearate dispersion according to claim 1, characterized in that: the connection part of the return pipe and the calcium stearate buffer tank (4) is positioned at the upper part of the calcium stearate buffer tank (4).
5. The process for preparing a calcium stearate dispersion according to claim 1, characterized in that: the top of the calcium stearate glue solution mixer (10) is provided with a mixture outlet (8), the bottom is provided with a mixture inlet, and the mixture inlet is communicated with an output pipe and a glue solution feeding pipe (6).
6. The process for preparing a calcium stearate dispersion according to claim 1, characterized in that: stirring devices are arranged in the calcium stearate preparation tank (3), the calcium stearate buffer tank (4) and the calcium stearate glue solution mixer (10).
7. The process for preparing a calcium stearate dispersion according to claim 6, characterized in that: the stirring device comprises a driving motor, the output end of the driving motor is connected with a stirring shaft (9), the stirring shaft (9) is vertically arranged, and stirring blades (7) are arranged at the bottom of the stirring shaft (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710202539.9A CN106823905B (en) | 2017-03-30 | 2017-03-30 | Process and device for preparing calcium stearate dispersion liquid |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710202539.9A CN106823905B (en) | 2017-03-30 | 2017-03-30 | Process and device for preparing calcium stearate dispersion liquid |
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| Publication Number | Publication Date |
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| CN106823905A CN106823905A (en) | 2017-06-13 |
| CN106823905B true CN106823905B (en) | 2023-06-30 |
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| CN201710202539.9A Active CN106823905B (en) | 2017-03-30 | 2017-03-30 | Process and device for preparing calcium stearate dispersion liquid |
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| CN114682141B (en) * | 2020-12-28 | 2023-12-29 | 宁夏润鑫源枸杞开发有限公司 | Automatic proportioning device for medlar facial mask ingredients |
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| CN201793925U (en) * | 2010-08-12 | 2011-04-13 | 江苏嘉福玻纤制品有限公司 | Glue feeding and discharging device of binder preparing tank |
| EP2527373A1 (en) * | 2011-05-26 | 2012-11-28 | LANXESS International S.A. | Process and apparatus for production of halogenated butyl rubber with reduced emissions |
| CN103880985A (en) * | 2012-12-20 | 2014-06-25 | 中国石油化工股份有限公司 | Dispersant for hydrocarbon polymer, and method for preparing dispersion system |
| CN105622821A (en) * | 2014-11-03 | 2016-06-01 | 中国石油化工股份有限公司 | Preparation method of halogenated butyl rubber |
| CN106111007A (en) * | 2016-06-21 | 2016-11-16 | 上海东升新材料有限公司 | A kind of method preparing water-based calcium stearate dispersion and products thereof and application |
| CN206604414U (en) * | 2017-03-30 | 2017-11-03 | 山东齐鲁石化工程有限公司 | Calcium stearate dispersion device for formulating |
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2017
- 2017-03-30 CN CN201710202539.9A patent/CN106823905B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201793925U (en) * | 2010-08-12 | 2011-04-13 | 江苏嘉福玻纤制品有限公司 | Glue feeding and discharging device of binder preparing tank |
| EP2527373A1 (en) * | 2011-05-26 | 2012-11-28 | LANXESS International S.A. | Process and apparatus for production of halogenated butyl rubber with reduced emissions |
| CN103880985A (en) * | 2012-12-20 | 2014-06-25 | 中国石油化工股份有限公司 | Dispersant for hydrocarbon polymer, and method for preparing dispersion system |
| CN105622821A (en) * | 2014-11-03 | 2016-06-01 | 中国石油化工股份有限公司 | Preparation method of halogenated butyl rubber |
| CN106111007A (en) * | 2016-06-21 | 2016-11-16 | 上海东升新材料有限公司 | A kind of method preparing water-based calcium stearate dispersion and products thereof and application |
| CN206604414U (en) * | 2017-03-30 | 2017-11-03 | 山东齐鲁石化工程有限公司 | Calcium stearate dispersion device for formulating |
Non-Patent Citations (1)
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| 彭仁苹 ; 任方元 ; 刘志琴 ; 焦宏宇 ; 刘秀兰 ; 潘广勤 ; .影响溴化丁基橡胶微观结构的因素研究.特种橡胶制品.2016,(02),第33-36页. * |
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