CN111672422A - Feeding mechanism of polymerization reaction device - Google Patents
Feeding mechanism of polymerization reaction device Download PDFInfo
- Publication number
- CN111672422A CN111672422A CN202010536271.4A CN202010536271A CN111672422A CN 111672422 A CN111672422 A CN 111672422A CN 202010536271 A CN202010536271 A CN 202010536271A CN 111672422 A CN111672422 A CN 111672422A
- Authority
- CN
- China
- Prior art keywords
- air inlet
- inlet pipe
- piston plate
- modifier
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 30
- 238000006116 polymerization reaction Methods 0.000 title claims abstract description 15
- 239000003607 modifier Substances 0.000 claims abstract description 31
- 239000007921 spray Substances 0.000 claims abstract description 14
- 239000012530 fluid Substances 0.000 claims description 8
- 238000003756 stirring Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005507 spraying Methods 0.000 abstract description 5
- 239000006185 dispersion Substances 0.000 abstract description 4
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 229920000728 polyester Polymers 0.000 description 7
- 239000000243 solution Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 239000000376 reactant Substances 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000007385 chemical modification Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000001934 delay Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Images
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
- C08G63/785—Preparation processes characterised by the apparatus used
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention discloses a feeding mechanism of a polymerization reaction device, which comprises: the modifier feeding pipe penetrates through the air inlet pipe, and a plurality of air inlets are formed in the bottom end of the air inlet pipe; the axial-flow type impeller is fixedly inserted into a communicating pipe in a penetrating way, and the communicating pipe and the air inlet pipe are arranged concentrically; the spray head is rotatably connected to the outer side wall of the air inlet pipe and fixedly connected with the communicating pipe through the connecting rod. The invention controls the rotating speed of the axial-flow impeller, namely the rotating speed of the spray head by controlling the air inlet amount of the air blower, and the section of the outlet of the discharge hole is gradually increased when the rotating speed of the spray head is faster, so that the spraying range of the modifier is enlarged, the dispersion effect is greatly improved, and the time required by stirring of the kettle stirrer is reduced.
Description
Technical Field
The invention relates to the technical field of modified polyester, in particular to a feeding mechanism of a polymerization reaction device.
Background
The chemical modification of polyester is carried out in the synthesis process, and the third and fourth monomers are added in addition to the basic monomer to change the macromolecular structure so as to achieve the purpose of improving certain physical and chemical properties. The blending method, chemical modification and physical modification, is not dependent on each other in practice, and has many common points in mechanism.
The ethylene glycol mixed solution of the modifier is required to be added in the middle section of the polyester reaction, but the modifier is usually added by virtue of a funnel because a feed inlet of the modifier is small, but the addition drop point of the modifier is not changed, the modifier is not fully contacted with reactants, the modifier is usually fully stirred and dispersed by virtue of the self-stirring function of a kettle body, the time required by stirring delays the polyester modification reaction time, and the production efficiency is low.
Disclosure of Invention
The invention aims to solve the defects that in the prior art, the feeding mechanism of a polymerization reaction device is provided for overcoming the defects that the feeding mechanism of the polymerization reaction device is low in production efficiency because a feeding hole of a modifier is small, the modifier is often added by virtue of a funnel, but the dropping point of the modifier is unchanged, the modifier is not fully contacted with a reactant, the modifier is often fully stirred and dispersed by virtue of the self stirring function of a kettle body, and the time required by stirring delays the polyester modification reaction time.
In order to achieve the purpose, the invention adopts the following technical scheme:
a feed mechanism for a polymerization reaction apparatus, the feed mechanism comprising: the modifier feeding pipe penetrates through the air inlet pipe, and a plurality of air inlets are formed in the bottom end of the air inlet pipe;
the axial-flow type impeller is fixedly inserted into a communicating pipe in a penetrating way, and the communicating pipe and the air inlet pipe are arranged concentrically;
the spray head is rotatably connected to the outer side wall of the air inlet pipe and fixedly connected with the communicating pipe through the connecting rod, a plurality of discharge holes are formed in the spray head, a flow guide mechanism is arranged in each discharge hole and comprises a flow guide rod, and the flow guide rods are lapped on the inner walls of the discharge holes;
the piston mechanism comprises a piston plate, the piston plate is connected to the inner wall of the spray head in a sliding mode, supporting rods are symmetrically and fixedly connected to the piston plate and rotatably connected with the drainage rod, a conical cavity is formed in the bottom side of the piston plate, and fluid is injected into the conical cavity.
Preferably, the piston plate is provided with a center hole, and the inner wall of the center hole is fixedly connected with a rubber sheet.
Preferably, the bottom side of the piston plate is symmetrically and fixedly connected with connecting ropes, and one end of each connecting rope, which is far away from the piston plate, is fixedly connected to the inner wall of the conical cavity.
Preferably, the air inlets are distributed in an annular uniform array, and the air inlets are arranged opposite to the axial-flow impeller.
Compared with the prior art, the invention has the beneficial effects that:
1. add modifier solution through the modifier inlet pipe, start the air-blower and let in the air current in the air-supply line simultaneously, the air current blows to axial-flow impeller through the inlet port on to make axial-flow impeller rotate, drive the shower nozzle rotation under the linkage effect of connecting rod, modifier solution spills from the discharge opening under the effect of centrifugal force, thereby evenly is the dispersion to cauldron internal portion with the modifier.
2. Through the intake of control air-blower, thereby control axial-flow impeller's rotational speed, control the rotational speed of shower nozzle promptly, when the rotational speed of shower nozzle is faster, the centrifugal action that the fluid in the toper intracavity received is big more, thereby make the not high vortex of fluid, drive piston plate upward movement, make branch drive the drainage rod and rotate, make the export cross-section of discharge opening crescent, thereby increase the spraying range of modifier, the dispersion effect has been improved greatly, make the more abundant and reactant contact of modifier, reduce the required time of cauldron body agitator stirring, the productivity ratio of polyester modification has been improved.
Drawings
FIG. 1 is a schematic front view of a feeding mechanism of a polymerization apparatus according to the present invention, wherein a nozzle of the feeding mechanism rotates at a low speed;
FIG. 2 is a schematic front view of a feeding mechanism of a polymerization apparatus according to the present invention, wherein a nozzle of the feeding mechanism rotates at a high speed;
FIG. 3 is a schematic cross-sectional view of the bottom end of an air inlet pipe in a feeding mechanism of a polymerization apparatus according to the present invention;
FIG. 4 is a schematic view of the spraying range of the sprayer when the sprayer rotates at a low speed;
FIG. 5 is a schematic view of the spraying range of the sprayer when the sprayer rotates at a high speed.
In the figure: 1-an air inlet pipe, 2-a modifier feeding pipe, 3-a spray head, 4-a communicating pipe, 5-an axial-flow impeller, 6-a support rod, 7-a drainage rod, 8-a support rod, 9-a piston plate, 10-a rubber sheet, 11-fluid, 12-a connecting rope and 13-an air inlet hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1 to 5, a feeding mechanism of a polymerization reaction apparatus, the feeding mechanism comprising: the air inlet pipe 1 is fixed at the output port of the blower, the axial flow impeller 5, the spray head 3 and the piston mechanism.
Particularly, the rotation of 1 bottom of air-supply line is connected with communicating pipe 4, it has modifier inlet pipe 2 to rotate the intercommunication on communicating pipe 4, modifier inlet pipe 2 runs through air-supply line 1 setting, a plurality of inlet ports 13 have been seted up to 1 bottom of air-supply line, a plurality of inlet ports 13 are the even array distribution of annular, a plurality of inlet ports 13 are just setting up axial-flow impeller 5, the air-blower lets in the air-blower toward air-supply line 1 in, the air current blows to axial-flow impeller 5 through inlet port 13 on, thereby make axial-flow impeller 5 rotate, for the mechanism provides drive power, axial-flow impeller 5 is fixed to be alternates on communicating pipe 4, communicating pipe 4 sets up.
Piston mechanism includes piston plate 9, the centre bore has been seted up on piston plate 9, centre bore inner wall fixedly connected with sheet rubber 10, when piston plate 9 moves up, as pressure compensation, can make sheet rubber 10 indent to the centre bore, piston plate 9 bottom side symmetry fixedly connected with connects rope 12, connect rope 12 and keep away from the one end fixed connection of piston plate 9 on the inner wall in toper chamber, piston plate 9 sliding connection is on 3 inner walls of shower nozzle, symmetry fixedly connected with branch 8 on the piston plate 9, branch 8 rotates with drainage rod 7 to be connected, piston plate 9 bottom side is equipped with the toper chamber, fluid 11 is injected into in the toper chamber.
More specifically, the working principle of the invention is as follows: adding a modifier solution through a modifier inlet pipe 2, simultaneously starting an air blower to introduce air flow into an air inlet pipe 1, blowing the air flow onto an axial flow impeller 5 through an air inlet hole 13, thereby enabling the axial flow impeller 5 to rotate, driving a spray head 3 to rotate under the connecting action of a connecting rod 6, sprinkling the modifier solution from a discharge hole under the action of centrifugal force, thereby uniformly dispersing the modifier into the kettle body, controlling the air intake of the air blower, thereby controlling the rotating speed of the axial flow impeller 5, namely controlling the rotating speed of the spray head 3, when the rotating speed of the spray head 3 is faster, the centrifugal action of fluid 11 in a conical cavity is larger, thereby enabling vortexes of the fluid 11 with different heights to drive a piston plate 9 to move upwards, enabling a support rod 8 to drive a drainage rod 7 to rotate, enabling the outlet section of the discharge hole to be gradually increased, thereby increasing the spraying range of the modifier, greatly improves the dispersion effect, leads the modifier to be more fully contacted with reactants, reduces the time required by stirring of the kettle stirrer and improves the productivity of polyester modification.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (4)
1. A feed mechanism for a polymerization apparatus, comprising: the air inlet pipe is fixed at the output port of the air blower, the bottom end of the air inlet pipe (1) is rotatably connected with a communicating pipe (4), the communicating pipe (4) is rotatably communicated with a modifier inlet pipe (2), the modifier inlet pipe (2) penetrates through the air inlet pipe (1) and is arranged, and a plurality of air inlet holes (13) are formed in the bottom end of the air inlet pipe (1);
the axial-flow type impeller (5), the axial-flow type impeller (5) is fixedly inserted on the communicating pipe (4), and the communicating pipe (4) and the air inlet pipe (1) are arranged concentrically;
the spray head (3) is rotatably connected to the outer side wall of the air inlet pipe (1), the spray head (3) is fixedly connected with the communicating pipe (4) through a connecting rod (6), a plurality of discharge holes are formed in the spray head (3), a flow guide mechanism is arranged in each discharge hole and comprises a flow guide rod (7), and the flow guide rods (7) are lapped on the inner wall of the discharge holes;
piston mechanism, piston mechanism includes piston plate (9), piston plate (9) sliding connection is on shower nozzle (3) inner wall, symmetry fixedly connected with branch (8) on piston plate (9), branch (8) are rotated with drainage rod (7) and are connected, piston plate (9) bottom side is equipped with the toper chamber, fluid (11) are poured into in the toper chamber.
2. The feeding mechanism of a polymerization reaction device according to claim 1, wherein the piston plate (9) is provided with a central hole, and a rubber sheet (10) is fixedly connected to the inner wall of the central hole.
3. The feeding mechanism of a polymerization reactor according to claim 1, wherein the bottom side of the piston plate (9) is symmetrically and fixedly connected with connecting ropes (12), and one end of the connecting ropes (12) far away from the piston plate (9) is fixedly connected with the inner wall of the conical cavity.
4. The feeding mechanism of a polymerization reaction device as set forth in claim 1, wherein a plurality of said air intake holes (13) are distributed in a circular uniform array, and a plurality of said air intake holes (13) are provided opposite to the axial flow impeller (5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010536271.4A CN111672422B (en) | 2020-06-12 | 2020-06-12 | Feeding mechanism of polymerization reaction device |
Applications Claiming Priority (1)
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CN202010536271.4A CN111672422B (en) | 2020-06-12 | 2020-06-12 | Feeding mechanism of polymerization reaction device |
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CN111672422A true CN111672422A (en) | 2020-09-18 |
CN111672422B CN111672422B (en) | 2022-04-05 |
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CN202010536271.4A Active CN111672422B (en) | 2020-06-12 | 2020-06-12 | Feeding mechanism of polymerization reaction device |
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Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6274690B1 (en) * | 1999-08-11 | 2001-08-14 | Shin-Etsu Chemical Co., Ltd. | Preparation of vinyl chloride polymer |
US20020189126A1 (en) * | 2001-06-14 | 2002-12-19 | Kyowa Vacuum Engineering Co. Ltd. | Distributive ejection device for liquid material to be used in freeze-drying apparatus for foodstuffs, medicaments, and so on |
CN2863263Y (en) * | 2005-12-26 | 2007-01-31 | 贺文法 | Wind power circumrotating highly effective mist spray head for power-driven sprayer |
CN201124128Y (en) * | 2007-11-08 | 2008-10-01 | 现代农装科技股份有限公司 | Spray nozzle and atomizing machine using the spray head |
CN101318165A (en) * | 2008-07-18 | 2008-12-10 | 韩铁夫 | Self-driving rotary dispensing device |
CN101549258A (en) * | 2009-04-23 | 2009-10-07 | 浙江大学 | Hydraulic driving rotating jet mixer |
CN103752436A (en) * | 2014-01-27 | 2014-04-30 | 中国人民解放军海军医学研究所 | Pneumatic atomization system with rotatable spraying head |
CN103962023A (en) * | 2014-05-09 | 2014-08-06 | 哈尔滨工程大学 | Rotary jet mixer of SCR (Selective Catalytic Reduction) system |
CN110116058A (en) * | 2018-02-07 | 2019-08-13 | 洛阳均流流体技术有限公司 | A kind of atomizing nozzle of gas-powered formula |
-
2020
- 2020-06-12 CN CN202010536271.4A patent/CN111672422B/en active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6274690B1 (en) * | 1999-08-11 | 2001-08-14 | Shin-Etsu Chemical Co., Ltd. | Preparation of vinyl chloride polymer |
US20020189126A1 (en) * | 2001-06-14 | 2002-12-19 | Kyowa Vacuum Engineering Co. Ltd. | Distributive ejection device for liquid material to be used in freeze-drying apparatus for foodstuffs, medicaments, and so on |
CN2863263Y (en) * | 2005-12-26 | 2007-01-31 | 贺文法 | Wind power circumrotating highly effective mist spray head for power-driven sprayer |
CN201124128Y (en) * | 2007-11-08 | 2008-10-01 | 现代农装科技股份有限公司 | Spray nozzle and atomizing machine using the spray head |
CN101318165A (en) * | 2008-07-18 | 2008-12-10 | 韩铁夫 | Self-driving rotary dispensing device |
CN101549258A (en) * | 2009-04-23 | 2009-10-07 | 浙江大学 | Hydraulic driving rotating jet mixer |
CN103752436A (en) * | 2014-01-27 | 2014-04-30 | 中国人民解放军海军医学研究所 | Pneumatic atomization system with rotatable spraying head |
CN103962023A (en) * | 2014-05-09 | 2014-08-06 | 哈尔滨工程大学 | Rotary jet mixer of SCR (Selective Catalytic Reduction) system |
CN110116058A (en) * | 2018-02-07 | 2019-08-13 | 洛阳均流流体技术有限公司 | A kind of atomizing nozzle of gas-powered formula |
Non-Patent Citations (1)
Title |
---|
李涛等主编: "《建筑给排水安装施工员手册》", 30 April 2009, 广东科技出版社 * |
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CN111672422B (en) | 2022-04-05 |
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Effective date of registration: 20220316 Address after: 257029 No. 56, Quanzhou Road, Dongying District, Dongying City, Shandong Province Applicant after: DONGYING EAST MACHINERY MANUFACTURE CO.,LTD. Address before: No.10 Jingxi Road, Shapingba District, Chongqing 400033 Applicant before: Zhou Fengai |
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