CN111632556A - A kind of polypropylene polymerization process auxiliary additive management system and method - Google Patents
A kind of polypropylene polymerization process auxiliary additive management system and method Download PDFInfo
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- 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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- 239000004743 Polypropylene Substances 0.000 title claims abstract description 15
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 14
- 239000000654 additive Substances 0.000 title claims abstract description 13
- -1 polypropylene Polymers 0.000 title claims abstract description 13
- 238000006116 polymerization reaction Methods 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 title claims description 8
- 230000000996 additive effect Effects 0.000 title abstract 2
- 239000002994 raw material Substances 0.000 claims abstract description 64
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 24
- 238000006243 chemical reaction Methods 0.000 claims abstract description 23
- 238000005303 weighing Methods 0.000 claims abstract description 17
- 239000004614 Process Aid Substances 0.000 claims 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229920000891 common polymer Polymers 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
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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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
本发明涉及一种聚丙烯聚合过程助剂添加管理系统，包括混合反应罐，所述混合反应罐上通过输送管道分别连接有原料送料装置与助剂送料装置，所述原料送料装置与助剂送料装置上分别连接有称量装置，所述混合反应罐的两侧内壁分别设有压力反馈系统，所述压力反馈系统上设有自动下料口，所述压力反馈系统与原料送料装置与助剂送料装置电连接，所述原料送料装置与助剂送料装置分别连通有计量罐。
The invention relates to a polypropylene polymerization process auxiliary additive management system, comprising a mixing reaction tank, a raw material feeding device and an auxiliary feeding device are respectively connected to the mixing reaction tank through a conveying pipeline, and the raw material feeding device and the auxiliary feeding device are respectively connected. The device is respectively connected with a weighing device, the inner walls of both sides of the mixing reaction tank are respectively provided with a pressure feedback system, the pressure feedback system is provided with an automatic feeding port, the pressure feedback system is connected with the raw material feeding device and the auxiliary agent. The feeding device is electrically connected, and the raw material feeding device and the auxiliary feeding device are respectively connected with a metering tank.
Description
技术领域technical field
本发明涉及聚丙烯生产领域，尤其涉及一种聚丙烯聚合过程助剂添加管理系统及方法。The invention relates to the field of polypropylene production, in particular to a system and method for managing the addition of additives in a polypropylene polymerization process.
背景技术Background technique
聚丙烯(Polypropyl ene，简称PP)是一种半结晶的热塑性塑料。具有较高的耐冲击性，机械性质强韧，抗多种有机溶剂和酸碱腐蚀。在工业界有广泛的应用，是平常常见的高分子材料之一。其在生产过程中需要加入助剂，但是目前没有较为完善的系统来添加助剂。Polypropylene (Polypropyl ene, PP for short) is a semi-crystalline thermoplastic. It has high impact resistance, strong and tough mechanical properties, and is resistant to various organic solvents and acid and alkali corrosion. It has a wide range of applications in the industry and is one of the common polymer materials. It needs to add additives in the production process, but there is currently no relatively complete system for adding additives.
发明内容SUMMARY OF THE INVENTION
本发明所要解决的技术问题是克服现有技术中存在的不足，提供一种聚丙烯聚合过程助剂添加管理系统及方法。The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art, and to provide a system and method for adding and managing additives in a polypropylene polymerization process.
本发明是通过以下技术方案予以实现：The present invention is achieved through the following technical solutions:
一种聚丙烯聚合过程助剂添加管理系统，包括混合反应罐，所述混合反应罐上通过输送管道分别连接有原料送料装置与助剂送料装置，所述原料送料装置与助剂送料装置上分别连接有称量装置，所述混合反应罐的两侧内壁分别设有压力反馈系统，所述压力反馈系统上设有自动下料口，所述压力反馈系统与原料送料装置与助剂送料装置电连接，所述原料送料装置与助剂送料装置分别连通有计量罐。A polypropylene polymerization process auxiliary agent addition management system, comprising a mixing reaction tank, the mixing reaction tank is respectively connected with a raw material feeding device and an auxiliary agent feeding device through a conveying pipeline, and the raw material feeding device and the auxiliary agent feeding device are respectively connected. A weighing device is connected, the inner walls on both sides of the mixing reaction tank are respectively provided with a pressure feedback system, the pressure feedback system is provided with an automatic feeding port, and the pressure feedback system is electrically connected to the raw material feeding device and the auxiliary feeding device. The raw material feeding device and the auxiliary feeding device are respectively connected with a metering tank.
进一步的，所述原料送料装置与助剂送料装置上分别连接有启闭器，启闭器与压力反馈系统电连接。Further, the raw material feeding device and the auxiliary feeding device are respectively connected with openers, and the openers are electrically connected with the pressure feedback system.
进一步的，所述计量罐为计量状。Further, the measuring tank is in the form of measuring.
一种聚丙烯聚合过程助剂添加方法，包括如下步骤：A method for adding additives in a polypropylene polymerization process, comprising the following steps:
(1)、首先向计量罐中装入原料与助剂；(1), at first load raw material and auxiliary agent into the metering tank;
(2)、通过原料送料装置与助剂送料装置将原料由计量罐中取出并输送到称量装置上，初步称量后使原料与助剂输送到反应罐内；(2), through the raw material feeding device and the auxiliary feeding device, the raw material is taken out from the measuring tank and transported to the weighing device, and the raw material and the auxiliary agent are transported into the reaction tank after preliminary weighing;
(3)、压力反馈系统称量先进入的原料，在称量进入助剂与原料的重量；(3) The pressure feedback system weighs the incoming raw materials, and then weighs the weight of the incoming additives and raw materials;
(4)、重量符合，开始在反应罐内反应，重量不符合，压力反馈系统控制原料送料装置或助剂送料装置继续输送；(4) If the weight is met, it starts to react in the reaction tank. If the weight is not met, the pressure feedback system controls the raw material feeding device or the auxiliary feeding device to continue to deliver;
(5)、当原料送料装置或助剂送料装置输送完成后通过启闭器将其关闭。(5) When the raw material feeding device or the auxiliary feeding device is conveyed, close it through the shutter.
本发明的有益效果是：The beneficial effects of the present invention are:
通过各个装置可以自动完成对原料与助剂的输送及称量，并且通过如下步骤：“(1)、首先向计量罐中装入原料与助剂；The conveying and weighing of raw materials and auxiliaries can be automatically completed through various devices, and the following steps are performed: "(1), firstly, load raw materials and auxiliaries into the metering tank;
(2)、通过原料送料装置与助剂送料装置将原料与助剂输送到反应罐内；(2), convey the raw material and the auxiliary agent into the reaction tank through the raw material feeding device and the auxiliary agent feeding device;
(3)、压力反馈系统称量先进入的原料，在称量进入助剂与原料的重量；(3) The pressure feedback system weighs the incoming raw materials, and then weighs the weight of the incoming additives and raw materials;
(4)、重量符合，开始在反应罐内反应，重量不符合，压力反馈系统控制原料送料装置或助剂送料装置继续输送；(4) If the weight is met, it starts to react in the reaction tank. If the weight is not met, the pressure feedback system controls the raw material feeding device or the auxiliary feeding device to continue to deliver;
(5)、当原料送料装置或助剂送料装置输送完成后通过启闭器将其关闭；”可以实现原料与助剂在输送时的自动反馈，使得添加更为准确。(5) When the raw material feeding device or the auxiliary feeding device is conveyed, close it through the opener; "It can realize the automatic feedback of the raw material and the auxiliary during the conveying, making the addition more accurate.
附图说明Description of drawings
图1是本发明的主视结构示意图；Fig. 1 is the front view structure schematic diagram of the present invention;
图中：1、混合反应罐；2、输送管道；3、原料送料装置；4、助剂送料装置；5、称量装置；6、压力反馈系统；7、计量罐；8、启闭器。In the figure: 1. Mixing reaction tank; 2. Conveying pipeline; 3. Raw material feeding device; 4. Auxiliary feeding device; 5. Weighing device; 6. Pressure feedback system; 7. Measuring tank; 8. Opener.
具体实施方式Detailed ways
为了使本技术领域的技术人员更好地理解本发明的技术方案，下面结合附图和最佳实施例对本发明作进一步的详细说明。In order to make those skilled in the art better understand the technical solutions of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and the best embodiments.
如图所示，本发明包括混合反应罐，所述混合反应罐上通过输送管道分别连接有原料送料装置与助剂送料装置，所述原料送料装置与助剂送料装置上分别连接有称量装置，所述混合反应罐的两侧内壁分别设有压力反馈系统，所述压力反馈系统上设有自动下料口，所述压力反馈系统与原料送料装置与助剂送料装置电连接，所述原料送料装置与助剂送料装置分别连通有计量罐。As shown in the figure, the present invention includes a mixing reaction tank, the mixing reaction tank is respectively connected with a raw material feeding device and an auxiliary feeding device through a conveying pipeline, and a weighing device is respectively connected to the raw material feeding device and the auxiliary feeding device. , the two inner walls of the mixing reaction tank are respectively provided with a pressure feedback system, the pressure feedback system is provided with an automatic feeding port, the pressure feedback system is electrically connected with the raw material feeding device and the auxiliary feeding device, the raw material The feeding device and the auxiliary feeding device are respectively connected with a metering tank.
进一步的，所述原料送料装置与助剂送料装置上分别连接有启闭器，启闭器与压力反馈系统电连接。Further, the raw material feeding device and the auxiliary feeding device are respectively connected with openers, and the openers are electrically connected with the pressure feedback system.
进一步的，所述计量罐为计量状。Further, the measuring tank is in the form of measuring.
一种聚丙烯聚合过程助剂添加方法，包括如下步骤：A method for adding additives in a polypropylene polymerization process, comprising the following steps:
(1)、首先向计量罐中装入原料与助剂；(1), at first load raw material and auxiliary agent into the metering tank;
(2)、通过原料送料装置与助剂送料装置将原料由计量罐中取出并输送到称量装置上，初步称量后使原料与助剂输送到反应罐内；(2), through the raw material feeding device and the auxiliary feeding device, the raw material is taken out from the measuring tank and transported to the weighing device, and the raw material and the auxiliary agent are transported into the reaction tank after preliminary weighing;
(3)、压力反馈系统称量先进入的原料，在称量进入助剂与原料的重量；(3) The pressure feedback system weighs the incoming raw materials, and then weighs the weight of the incoming additives and raw materials;
(4)、重量符合，开始在反应罐内反应，重量不符合，压力反馈系统控制原料送料装置或助剂送料装置继续输送；(4) If the weight is met, it starts to react in the reaction tank. If the weight is not met, the pressure feedback system controls the raw material feeding device or the auxiliary feeding device to continue to deliver;
(5)、当原料送料装置或助剂送料装置输送完成后通过启闭器将其关闭。(5) When the raw material feeding device or the auxiliary feeding device is conveyed, close it through the shutter.
本发明的有益效果是：The beneficial effects of the present invention are:
通过各个装置可以自动完成对原料与助剂的输送及称量，并且通过如下步骤：“(1)、首先向计量罐中装入原料与助剂；The conveying and weighing of raw materials and auxiliaries can be automatically completed through various devices, and the following steps are performed: "(1), firstly, load raw materials and auxiliaries into the metering tank;
(2)、通过原料送料装置与助剂送料装置将原料由计量罐中取出并输送到称量装置上，初步称量后使原料与助剂输送到反应罐内；(2), through the raw material feeding device and the auxiliary feeding device, the raw material is taken out from the measuring tank and transported to the weighing device, and the raw material and the auxiliary agent are transported into the reaction tank after preliminary weighing;
(3)、压力反馈系统称量先进入的原料，在称量进入助剂与原料的重量；(3) The pressure feedback system weighs the incoming raw materials, and then weighs the weight of the incoming additives and raw materials;
(4)、重量符合，开始在反应罐内反应，重量不符合，压力反馈系统控制原料送料装置或助剂送料装置继续输送；(4) If the weight is met, it starts to react in the reaction tank. If the weight is not met, the pressure feedback system controls the raw material feeding device or the auxiliary feeding device to continue to deliver;
(5)、当原料送料装置或助剂送料装置输送完成后通过启闭器将其关闭；”可以实现原料与助剂在输送时的自动反馈，使得添加更为准确。(5) When the raw material feeding device or the auxiliary feeding device is conveyed, close it through the opener; "It can realize the automatic feedback of the raw material and the auxiliary during the conveying, making the addition more accurate.
以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, without departing from the principles of the present invention, several improvements and modifications can be made. It should be regarded as the protection scope of the present invention.
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| 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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