CN111632556A - Polypropylene polymerization process additive addition management system and method - Google Patents
Polypropylene polymerization process additive addition management system and method Download PDFInfo
- Publication number
- CN111632556A CN111632556A CN202010476704.1A CN202010476704A CN111632556A CN 111632556 A CN111632556 A CN 111632556A CN 202010476704 A CN202010476704 A CN 202010476704A CN 111632556 A CN111632556 A CN 111632556A
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- Prior art keywords
- feeding device
- auxiliary agent
- raw material
- material feeding
- raw materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
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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
- B01F35/20—Measuring; Control or regulation
- B01F35/22—Control or regulation
- B01F35/2201—Control or regulation characterised by the type of control technique used
- B01F35/2202—Controlling the mixing process by feed-back, i.e. a measured parameter of the mixture is measured, compared with the set-value and the feed values are corrected
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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
- B01F35/716—Feed mechanisms characterised by the relative arrangement of the containers for feeding or mixing the components
- B01F35/7163—Feed mechanisms characterised by the relative arrangement of the containers for feeding or mixing the components the containers being connected in a mouth-to-mouth, end-to-end disposition, i.e. the openings are juxtaposed before contacting the contents
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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
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
- B01F35/88—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise
- B01F35/881—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise by weighing, e.g. with automatic discharge
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/008—Feed or outlet control devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/02—Feed or outlet devices; Feed or outlet control devices for feeding measured, i.e. prescribed quantities of reagents
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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
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/2204—Mixing chemical components in generals in order to improve chemical treatment or reactions, independently from the specific application
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2204/00—Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices
- B01J2204/002—Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices the feeding side being of particular interest
Abstract
The invention relates to an additive adding management system in a polypropylene polymerization process, which comprises a mixing reaction tank, wherein a raw material feeding device and an additive feeding device are respectively connected to the mixing reaction tank through conveying pipelines, weighing devices are respectively connected to the raw material feeding device and the additive feeding device, pressure feedback systems are respectively arranged on the inner walls of two sides of the mixing reaction tank, an automatic discharging opening is formed in each pressure feedback system, the pressure feedback systems are electrically connected with the raw material feeding device and the additive feeding device, and the raw material feeding device and the additive feeding device are respectively communicated with a metering tank.
Description
Technical Field
The invention relates to the field of polypropylene production, in particular to a system and a method for adding and managing an auxiliary agent in a polypropylene polymerization process.
Background
Polypropylene (PP) is a semi-crystalline thermoplastic. Has high impact resistance, high mechanical property and high resistance to corrosion of various organic solvents and acid and alkali. It is widely used in industry and is one of the common polymer materials. The addition of the auxiliary agent is required in the production process, but no more complete system is available for adding the auxiliary agent at present.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects in the prior art and provides a system and a method for adding and managing an auxiliary agent in a polypropylene polymerization process.
The invention is realized by the following technical scheme:
the utility model provides a polypropylene polymerization process auxiliary agent adds management system, includes mixing retort, mixing retort is last to be connected with raw materials material feeding unit and auxiliary agent material feeding unit respectively through pipeline, be connected with weighing device on raw materials material feeding unit and the auxiliary agent material feeding unit respectively, mixing retort's both sides inner wall is equipped with pressure feedback system respectively, the last automatic feed opening that is equipped with of pressure feedback system, pressure feedback system is connected with raw materials material feeding unit and auxiliary agent material feeding unit electricity, raw materials feeding unit and auxiliary agent material feeding unit communicate respectively has the metering tank.
Furthermore, the raw material feeding device and the auxiliary agent feeding device are respectively connected with an opening and closing device, and the opening and closing devices are electrically connected with the pressure feedback system.
Further, the metering tank is in a metering shape.
A method for adding an auxiliary agent in a polypropylene polymerization process comprises the following steps:
(1) firstly, charging raw materials and auxiliary agents into a metering tank;
(2) taking out the raw materials from the metering tank through the raw material feeding device and the auxiliary agent feeding device, conveying the raw materials to the weighing device, and conveying the raw materials and the auxiliary agent to the reaction tank after preliminary weighing;
(3) weighing the raw materials which enter firstly by the pressure feedback system, and weighing the weight of the auxiliary agents and the raw materials which enter;
(4) if the weight is accordant, starting to react in the reaction tank, if the weight is not accordant, controlling the raw material feeding device or the auxiliary agent feeding device to continue conveying by the pressure feedback system;
(5) and after the raw material feeding device or the auxiliary agent feeding device finishes conveying, the auxiliary agent feeding device is closed through the opening and closing device.
The invention has the beneficial effects that:
the conveying and weighing of the raw materials and the auxiliary agents can be automatically completed through each device, and the method comprises the following steps: "(1), firstly, charging raw materials and auxiliary agents into a metering tank;
(2) conveying the raw materials and the auxiliary agents into a reaction tank through a raw material feeding device and an auxiliary agent feeding device;
(3) weighing the raw materials which enter firstly by the pressure feedback system, and weighing the weight of the auxiliary agents and the raw materials which enter;
(4) if the weight is accordant, starting to react in the reaction tank, if the weight is not accordant, controlling the raw material feeding device or the auxiliary agent feeding device to continue conveying by the pressure feedback system;
(5) after the raw material feeding device or the auxiliary agent feeding device finishes conveying, the raw material feeding device or the auxiliary agent feeding device is closed through the opening and closing device; the automatic feedback of the raw materials and the auxiliary agents during conveying can be realized, so that the addition is more accurate.
Drawings
FIG. 1 is a schematic front view of the present invention;
in the figure: 1. a mixing reaction tank; 2. a delivery conduit; 3. a raw material feeding device; 4. an auxiliary agent feeding device; 5. a weighing device; 6. a pressure feedback system; 7. a metering tank; 8. an opening and closing device.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.
As shown in the figure, the device comprises a mixing reaction tank, wherein a raw material feeding device and an auxiliary agent feeding device are respectively connected to the mixing reaction tank through conveying pipelines, weighing devices are respectively connected to the raw material feeding device and the auxiliary agent feeding device, pressure feedback systems are respectively arranged on the inner walls of the two sides of the mixing reaction tank, an automatic blanking port is arranged on each pressure feedback system, the pressure feedback systems are electrically connected with the raw material feeding device and the auxiliary agent feeding device, and the raw material feeding device and the auxiliary agent feeding device are respectively communicated with a metering tank.
Furthermore, the raw material feeding device and the auxiliary agent feeding device are respectively connected with an opening and closing device, and the opening and closing devices are electrically connected with the pressure feedback system.
Further, the metering tank is in a metering shape.
A method for adding an auxiliary agent in a polypropylene polymerization process comprises the following steps:
(1) firstly, charging raw materials and auxiliary agents into a metering tank;
(2) taking out the raw materials from the metering tank through the raw material feeding device and the auxiliary agent feeding device, conveying the raw materials to the weighing device, and conveying the raw materials and the auxiliary agent to the reaction tank after preliminary weighing;
(3) weighing the raw materials which enter firstly by the pressure feedback system, and weighing the weight of the auxiliary agents and the raw materials which enter;
(4) if the weight is accordant, starting to react in the reaction tank, if the weight is not accordant, controlling the raw material feeding device or the auxiliary agent feeding device to continue conveying by the pressure feedback system;
(5) and after the raw material feeding device or the auxiliary agent feeding device finishes conveying, the auxiliary agent feeding device is closed through the opening and closing device.
The invention has the beneficial effects that:
the conveying and weighing of the raw materials and the auxiliary agents can be automatically completed through each device, and the method comprises the following steps: "(1), firstly, charging raw materials and auxiliary agents into a metering tank;
(2) taking out the raw materials from the metering tank through the raw material feeding device and the auxiliary agent feeding device, conveying the raw materials to the weighing device, and conveying the raw materials and the auxiliary agent to the reaction tank after preliminary weighing;
(3) weighing the raw materials which enter firstly by the pressure feedback system, and weighing the weight of the auxiliary agents and the raw materials which enter;
(4) if the weight is accordant, starting to react in the reaction tank, if the weight is not accordant, controlling the raw material feeding device or the auxiliary agent feeding device to continue conveying by the pressure feedback system;
(5) after the raw material feeding device or the auxiliary agent feeding device finishes conveying, the raw material feeding device or the auxiliary agent feeding device is closed through the opening and closing device; the automatic feedback of the raw materials and the auxiliary agents during conveying can be realized, so that the addition is more accurate.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (4)
1. An addition management system for polypropylene polymerization process additives is characterized in that: the automatic feeding device comprises a mixing reaction tank, wherein a raw material feeding device and an auxiliary agent feeding device are respectively connected to the mixing reaction tank through conveying pipelines, weighing devices are respectively connected to the raw material feeding device and the auxiliary agent feeding device, pressure feedback systems are respectively arranged on the inner walls of the two sides of the mixing reaction tank, an automatic blanking port is arranged on each pressure feedback system, the pressure feedback systems are electrically connected with the raw material feeding device and the auxiliary agent feeding device, and the raw material feeding device and the auxiliary agent feeding device are respectively communicated with a metering tank.
2. The polypropylene polymerization process aid addition management system according to claim 1, wherein: and the raw material feeding device and the auxiliary agent feeding device are respectively connected with an opening and closing device, and the opening and closing devices are electrically connected with the pressure feedback system.
3. The polypropylene polymerization process aid addition management system according to claim 1, wherein: the metering tank is in a metering shape.
4. An addition method of an auxiliary agent in a polypropylene polymerization process is characterized by comprising the following steps: the method comprises the following steps:
(1) firstly, charging raw materials and auxiliary agents into a metering tank;
(2) taking out the raw materials from the metering tank through the raw material feeding device and the auxiliary agent feeding device, conveying the raw materials to the weighing device, and conveying the raw materials and the auxiliary agent to the reaction tank after preliminary weighing;
(3) weighing the raw materials which enter firstly by the pressure feedback system, and weighing the weight of the auxiliary agents and the raw materials which enter;
(4) if the weight is accordant, starting to react in the reaction tank, if the weight is not accordant, controlling the raw material feeding device or the auxiliary agent feeding device to continue conveying by the pressure feedback system;
(5) and after the raw material feeding device or the auxiliary agent feeding device finishes conveying, the auxiliary agent feeding device is closed through the opening and closing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010476704.1A CN111632556A (en) | 2020-05-29 | 2020-05-29 | Polypropylene polymerization process additive addition management system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010476704.1A CN111632556A (en) | 2020-05-29 | 2020-05-29 | Polypropylene polymerization process additive addition management system and method |
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| Publication Number | Publication Date |
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| CN111632556A true CN111632556A (en) | 2020-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010476704.1A Pending CN111632556A (en) | 2020-05-29 | 2020-05-29 | Polypropylene polymerization process additive addition management system and method |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202146784U (en) * | 2011-06-24 | 2012-02-22 | 山东常青树化工有限公司 | Continuous batch-feeding metering reaction kettle |
| CN203448051U (en) * | 2013-09-10 | 2014-02-26 | 江苏新技机械有限公司 | Automatic batching device |
| CN203816562U (en) * | 2014-04-15 | 2014-09-10 | 超威电源有限公司 | Dry mixing device for preparing additive for negative electrode of lead-acid storage battery |
| CN206561542U (en) * | 2017-03-17 | 2017-10-17 | 东莞市佳信新材料有限公司 | High pressure polyurethane foaming automaton |
| CN207007301U (en) * | 2017-05-11 | 2018-02-13 | 苏州特密达新材料有限公司 | A kind of Weighing apparatus for apportioning material of automatic Verification |
| CN207913713U (en) * | 2018-01-30 | 2018-09-28 | 广州镜湖香精科技有限公司 | A kind of feeding hybrid system |
| WO2018180642A1 (en) * | 2017-03-29 | 2018-10-04 | 東レエンジニアリング株式会社 | Synthesis device and weighing mechanism |
| CN108889153A (en) * | 2018-07-23 | 2018-11-27 | 芜湖佩林郁松计量科技有限公司 | A kind of dosing device with function of measuring |
| CN208275370U (en) * | 2018-04-25 | 2018-12-25 | 黄山市向荣新材料有限公司 | Polyester resin solid material charging device |
| CN109626016A (en) * | 2018-12-28 | 2019-04-16 | 晋江海纳机械有限公司 | A kind of accurate dosing system of granular macromolecule resin and its control method |
-
2020
- 2020-05-29 CN CN202010476704.1A patent/CN111632556A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202146784U (en) * | 2011-06-24 | 2012-02-22 | 山东常青树化工有限公司 | Continuous batch-feeding metering reaction kettle |
| CN203448051U (en) * | 2013-09-10 | 2014-02-26 | 江苏新技机械有限公司 | Automatic batching device |
| CN203816562U (en) * | 2014-04-15 | 2014-09-10 | 超威电源有限公司 | Dry mixing device for preparing additive for negative electrode of lead-acid storage battery |
| CN206561542U (en) * | 2017-03-17 | 2017-10-17 | 东莞市佳信新材料有限公司 | High pressure polyurethane foaming automaton |
| WO2018180642A1 (en) * | 2017-03-29 | 2018-10-04 | 東レエンジニアリング株式会社 | Synthesis device and weighing mechanism |
| CN207007301U (en) * | 2017-05-11 | 2018-02-13 | 苏州特密达新材料有限公司 | A kind of Weighing apparatus for apportioning material of automatic Verification |
| CN207913713U (en) * | 2018-01-30 | 2018-09-28 | 广州镜湖香精科技有限公司 | A kind of feeding hybrid system |
| CN208275370U (en) * | 2018-04-25 | 2018-12-25 | 黄山市向荣新材料有限公司 | Polyester resin solid material charging device |
| CN108889153A (en) * | 2018-07-23 | 2018-11-27 | 芜湖佩林郁松计量科技有限公司 | A kind of dosing device with function of measuring |
| CN109626016A (en) * | 2018-12-28 | 2019-04-16 | 晋江海纳机械有限公司 | A kind of accurate dosing system of granular macromolecule resin and its control method |
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