CN106582451A - Continuous feeding system for polymerization of carbon fiber precursors - Google Patents
Continuous feeding system for polymerization of carbon fiber precursors Download PDFInfo
- Publication number
- CN106582451A CN106582451A CN201611255637.0A CN201611255637A CN106582451A CN 106582451 A CN106582451 A CN 106582451A CN 201611255637 A CN201611255637 A CN 201611255637A CN 106582451 A CN106582451 A CN 106582451A
- Authority
- CN
- China
- Prior art keywords
- storage tank
- feed system
- main pipeline
- pipeline
- carbon fibre
- 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.)
- Pending
Links
- 239000002243 precursor Substances 0.000 title claims abstract description 20
- 238000006116 polymerization reaction Methods 0.000 title abstract description 10
- 229920000049 Carbon (fiber) Polymers 0.000 title abstract description 9
- 239000004917 carbon fiber Substances 0.000 title abstract description 9
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title abstract description 8
- 238000003860 storage Methods 0.000 claims abstract description 77
- 230000001105 regulatory effect Effects 0.000 claims abstract description 21
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims abstract description 20
- 230000003068 static effect Effects 0.000 claims abstract description 19
- 239000003999 initiator Substances 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 12
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000000178 monomer Substances 0.000 claims abstract description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 19
- 229910052799 carbon Inorganic materials 0.000 claims description 19
- 239000000835 fiber Substances 0.000 claims description 19
- 239000011229 interlayer Substances 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 8
- 230000001276 controlling effect Effects 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 239000002994 raw material Substances 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 2
- 238000007380 fibre production Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 241001122767 Theaceae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 210000004247 hand Anatomy 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229920000592 inorganic polymer Polymers 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- -1 propylene Nitrile Chemical class 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000009955 starching Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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
- B01J4/02—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
- 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 discloses a continuous feeding system for the polymerization of carbon fiber precursors, belonging to the technical field of the production of carbon fibers. The continuous feeding system comprises a dimethyl sulfoxide storage tank, an acrylonitrile storage tank, a plurality of monomer storage tanks, an initiator storage tank, pumps, mass flow meters, regulating valves, a static mixer and a mixed liquid storage tank, wherein the dimethyl sulfoxide storage tank, the acrylonitrile storage tank, the monomer storage tanks and the initiator storage tank are independently connected with the pumps through independent pipelines; the pumps are respectively and sequentially connected with the mass flow meters and the regulating valves; each pipe connected with the regulating valve is communicated with the static mixer; and the static mixer is communicated with the mixed liquid storage tank through the pipeline. According to the continuous feeding system, each raw material storage tank is connected with the pump, respectively, the mass flow meters and the regulating valves are sequentially and respectively connected to the pipelines so as to independently and precisely control the feeding quantity of each storage tank, so that the real-time and continuous feeding of raw materials of different formulae can be realized; and meanwhile, the continuous product can be realized, so that the production efficiency is substantially improved, and the product quality is stable.
Description
Technical field
The continuous feed system the present invention relates to a kind of carbon fibre precursor is polymerized, belongs to carbon fiber production technical field.
Background technology
Carbon fiber is inorganic polymer fiber of the carbon content more than 90%, except the resistance to height with general carbon materials
Beyond the characteristics such as temperature, rub resistance, corrosion-resistant and conductive and heat-conductive, also with the spy such as soft machinability, light weight, specific strength be big
Property, so as to be widely applied to the numerous areas such as military affairs, weaving, sports equipment, chemical industry, medical apparatus and instruments and machining.
The preparation process of polyacrylonitrile carbon fiber include polymerizable raw material, turn to spinning, washing, compacting by drying, pre-oxidation,
Carbonization, starching drying etc..Wherein, polymerizable raw material is the first procedure of carbon fiber production.Between existing carbon fiber polymerization is adopted
The mode of formula of having a rest production is carried out, and this mode there are problems that continuously producing, low production efficiency, quality.
The content of the invention
There is production in solve existing carbon fiber polymerization production process can not be carried out continuously, low production efficiency, product matter
The technical problem that amount is not sufficiently stable, the invention provides a kind of carbon fibre precursor polymerization continuous feed system, the technology taken
Scheme is as follows：
A kind of carbon fibre precursor is polymerized continuous feed system, and the system includes dimethyl sulfoxide storage tank 1, acrylonitrile storage tank 2,
Multiple single storage tanks, initiator storage tank 5, multiple pumps, multiple mass flowmenters 7, multiple regulating valves 8, static mixer 10 and
Mixing liquid storage tank 11；
The dimethyl sulfoxide storage tank 1, acrylonitrile storage tank 2, multiple single storage tanks, initiator storage tank 5 passes through independent tubes
Individually it is connected with pump；
Each pump is connected with mass flowmenter 7 and regulating valve 8 successively respectively；
The pipeline that each is connected with regulating valve 8 is connected with static mixer 10；
Static mixer 10 is connected by pipeline with mixing liquid storage tank 11.
Preferably, the plurality of monomer pipe is to include monomer I storage tanks 3 and monomer II storage tanks 4.
Preferably, described each pipeline for being connected with regulating valve 8, directly connects or is connected to supervisor with static mixer 10
Connected with static mixer 10 by main pipeline again on road.
It is highly preferred that each pipeline being connected with regulating valve 8 is connected with main pipeline 9, main pipeline 9 again with static mixer 10
Connection；The temperature control interlayer for controlling the temperature of main pipeline 9 is provided with outside the main pipeline 9.
It is highly preferred that the mixing liquid storage tank 11 also includes the agitating device for stirring mixed liquor.
Preferably, the pump 6 has the screw pump of organosilicon stator.
Preferably, dimethyl sulfoxide storage tank 1, acrylonitrile storage tank 2, multiple single storage tanks, initiator storage tank 5 and mixed liquor
The inside of storage tank 11 is equipped with anchor formula stirring paddle 15；It is internal or external to be provided with temperature control interlayer.
Preferably, the regulating valve 8 is pneumatic control valve.
It is highly preferred that each pipeline being connected with regulating valve 8 is connected with main pipeline 9, main pipeline 9 again with static mixer 10
Connection；The temperature control interlayer for controlling the temperature of main pipeline 9 is provided with outside the main pipeline 9；Control device is chain with temperature control interlayer.
Preferably, in acrylonitrile storage tank 2, multiple single storage tanks are additionally provided with hand-operated valve 12 between initiator storage tank 5 and pump 6,
In order to overhaul.
Whole carbon fibre precursor polymerization continuous feed system can be by artificial control, it is also possible to by control device or control
System processed is automatically controlled.
Preferably, the continuous feeding device also includes control device.
It is highly preferred that the control device is chain with each pump, mass flowmenter and regulating valve respectively.
It is described chain, can be by the electrical connection of the modes such as electric wire, wire, data wire, or by wireless network
The signal connection of the modes such as network.
The control device is to be provided with the computer of PLC and/or DSC systems, or be provided with other it is existing can be real
The existing computer of independent chain control.As for specific arrangement, and specific control instruction those skilled in the art can
It is arranged and writes according to specific requirement and produce reality situation.
Compared with prior art, the beneficial effect of present invention acquisition is：
The present invention is adopted and is connected each raw material storage tank with pump respectively, then distinguishes quality of connection effusion meter successively on pipeline
And regulating valve, the inlet amount of each storage tank is independently precisely controlled, the raw material real-time continuous supply that different formulations are constituted can be realized.
Simultaneously as continuous prodution can be carried out, raw tea efficiency is greatly improved, product quality stable homogeneous.
Mass measurement is carried out in the art and control is mainly connect or orifice flowmeter using whirlpool, and the application is adopted
Mass flowmenter, greatly improved the precision of quality control.
Meanwhile, the application is not only helped to producing precision controlling, additionally it is possible to play the function of danger early warning and control, energy
It is enough to find whether solvent or raw material are revealed in time.Reduce inflammable and explosive, human body is constituted and is endangered.Clear production can be accomplished, and
Product quality can effectively be ensured, play a part of steady production.
The present invention arranges temperature sensor and regulation by the even temperature control interlayer on each tank body in temperature control interlayer
The device of temperature, can be with the temperature of each tank of precise control.Meanwhile, raw materials quality is controlled using mass flowmenter, significantly
Precision is improve, error is only 0.025%.This sensor is also arranged on pipeline, can effectively to the temperature of whole pipeline
Degree carries out precise control.
Description of the drawings
Fig. 1 is the structural representation of carbon fibre precursor polymerization continuous feed system in a kind of preferred version of the invention.
Fig. 2 is the structural representation of storage tank in a kind of preferred version of the invention.
In figure：1, dimethyl sulfoxide storage tank；2, acrylonitrile storage tank；3, monomer I storage tanks；4, monomer II storage tanks；5, initiator
Storage tank；6, pump；7, mass flowmenter；8, regulating valve；9, main pipeline；10, static mixer；11, mix liquid storage tank；12, manually
Valve；13, temperature sensor；14, liquid level detector；15, anchor formula stirring paddle；16, temperature control interlayer.
Specific embodiment
The present invention is described in further details below in conjunction with the accompanying drawings, but the limit being not intended as to the present invention described further below
It is fixed.
Fig. 1 is the structural representation of carbon fibre precursor polymerization continuous feed system in a kind of preferred version of the invention.Fig. 2 is
The structural representation of storage tank in a kind of preferred version of the present invention.
Knowable to Fig. 1 and 2, the carbon fibre precursor polymerization continuous feed system is mainly by dimethyl sulfoxide storage tank 1, propylene
Nitrile storage tank 2, monomer I storage tanks, monomer II storage tanks, initiator storage tank 5, difference stores up tank connected pump 6, mass flow with each successively
Meter 7 and regulating valve 8, hand-operated valve 12, main pipeline 9, static mixer 10 and mixing liquid storage tank 11 are constituted.
Above-mentioned five storage tanks are connected respectively by pipeline with pump 6, mass flowmenter 7 and pneumatic control valve 8, with to each storage
The charging of tank is individually controlled.Connect with main pipeline 9 after each tube contacts pneumatic control valve 8.Main pipeline 9 with static state
Blender 10 is connected.Static mixer 10 is connected by pipeline with the mixing liquid storage tank 11 with agitating device.Outside main pipeline 9
Portion is provided with the temperature control interlayer for controlling its temperature, too high or too low for temperature in main pipeline to prevent.Handss are equipped with each storage tank
Dynamic valve 12, in order to be independently controlled.Meanwhile, temperature regulation layer and guarantor are equipped with inside or outside all storage tanks and pipeline
Warm layer, and be provided with temperature regulation layer and with chain sensor, and can be able to carry out heating and cooling down life with control device
The control system of order.
In another embodiment, the continuous feed system also include control device, the control device for be provided with PLC and
The computer of DCS system, control system respectively with each pump 6, each mass flowmenter 7, each start regulating valve 8 it is chain, with
Realize control and monitoring to the technical parameter such as storage tank unlatching, inlet amount information, charging rate, it is ensured that continuous feed system it is steady
Fixed accurate operation.Meanwhile, control device can realize the control to temperature in main pipeline with chain with the temperature control interlayer on supervisor 9
System and regulation, prevent too high or too low for temperature in main pipeline 9.Concrete mounting means and specific control as control device
System instruction, those skilled in the art can voluntarily be arranged and write according to common knowledge and actual production demand.
Correspondingly, in order to keep the storage tank of a certain raw material or the temperature constant of pipeline, it is also possible on the storage tank or pipeline
It is separately provided temperature control interlayer.
Although the present invention is disclosed as above with preferred embodiment, it is not limited to the present invention, any to be familiar with this
The people of technology, without departing from the spirit and scope of the present invention, can do various changes and modification, therefore the protection of the present invention
Scope should be by being defined that claims are defined.
Claims (10)
1. a kind of carbon fibre precursor is polymerized continuous feed system, it is characterised in that including dimethyl sulfoxide storage tank (1), acrylonitrile
Storage tank (2), multiple single storage tanks, initiator storage tank (5), multiple pumps, multiple mass flowmenters (7), multiple regulating valves (8) are quiet
State blender (10) and mixing liquid storage tank (11)；
The dimethyl sulfoxide storage tank (1), acrylonitrile storage tank (2), multiple single storage tanks, initiator storage tank (5) is by individual tubes
Road is individually connected with pump；
Each pump is connected successively respectively with mass flowmenter (7) and regulating valve (8)；
The pipeline that each is connected with regulating valve (8) is connected with static mixer (10)；
Static mixer (10) is connected by pipeline with mixing liquid storage tank (11).
2. a kind of carbon fibre precursor according to claim 1 is polymerized continuous feed system, it is characterised in that including monomer I
Storage tank (3) and monomer II storage tanks (4).
3. a kind of carbon fibre precursor according to claim 1 is polymerized continuous feed system, it is characterised in that it is described each with
The pipeline of regulating valve (8) connection, directly connect or is connected to static mixer (10) on main pipeline pass through again main pipeline with it is quiet
State blender (10) is connected.
4. a kind of carbon fibre precursor according to claim 3 is polymerized continuous feed system, it is characterised in that each and regulation
The pipeline of valve (8) connection is connected with main pipeline (9), and main pipeline (9) is connected again with static mixer (10)；The main pipeline (9)
Outside is provided with the temperature control interlayer for controlling main pipeline (9) temperature.
5. a kind of carbon fibre precursor according to claim 1 is polymerized continuous feed system, it is characterised in that the mixed liquor
Storage tank (11) also includes the agitating device for stirring mixed liquor.
6. a kind of carbon fibre precursor according to claim 1 is polymerized continuous feed system, it is characterised in that the pump (6)
It is the screw pump with organosilicon stator.
7. a kind of carbon fibre precursor according to claim 1 is polymerized continuous feed system, it is characterised in that dimethyl sulfoxide
The inside of storage tank (1), acrylonitrile storage tank (2), multiple single storage tanks, initiator storage tank (5) and mixing liquid storage tank (11) is all provided with
There is anchor formula stirring paddle (15), it is internal or external to be provided with temperature control interlayer.
8. a kind of carbon fibre precursor according to claim 1 is polymerized continuous feed system, it is characterised in that in acrylonitrile storage
Tank (2), multiple single storage tanks are additionally provided with hand-operated valve (12) between initiator storage tank (5) and pump (6).
9. a kind of carbon fibre precursor according to claim 1 is polymerized continuous feed system, it is characterised in that also including control
Device；The control device is chain with each pump, mass flowmenter and regulating valve respectively.
10. a kind of carbon fibre precursor according to claim 9 is polymerized continuous feed system, it is characterised in that each and tune
The pipeline of section valve (8) connection is connected with main pipeline (9), and main pipeline (9) is connected again with static mixer (10)；The main pipeline
(9) the outside temperature control interlayer being provided with for controlling main pipeline (9) temperature；Control device is chain with temperature control interlayer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611255637.0A CN106582451A (en) | 2016-12-30 | 2016-12-30 | Continuous feeding system for polymerization of carbon fiber precursors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611255637.0A CN106582451A (en) | 2016-12-30 | 2016-12-30 | Continuous feeding system for polymerization of carbon fiber precursors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106582451A true CN106582451A (en) | 2017-04-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611255637.0A Pending CN106582451A (en) | 2016-12-30 | 2016-12-30 | Continuous feeding system for polymerization of carbon fiber precursors |
Country Status (1)
| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111068583A (en) * | 2019-12-23 | 2020-04-28 | 爱文思控制系统工程(上海)有限公司 | System cabinet for low-temperature mixing of peroxide and solvent |
| CN112871111A (en) * | 2020-12-28 | 2021-06-01 | 内蒙古金祥达新材料技术有限公司 | Coal water slurry additive production system and process |
| CN114558496A (en) * | 2022-03-22 | 2022-05-31 | 安徽鑫悦晟华新材料有限公司 | Equipment and process for producing polyurethane combined polyether |
| CN116099479A (en) * | 2023-04-10 | 2023-05-12 | 长盛(廊坊)科技有限公司 | Production device and production method of polyacrylonitrile-based carbon fiber |
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| CN111068583A (en) * | 2019-12-23 | 2020-04-28 | 爱文思控制系统工程(上海)有限公司 | System cabinet for low-temperature mixing of peroxide and solvent |
| CN112871111A (en) * | 2020-12-28 | 2021-06-01 | 内蒙古金祥达新材料技术有限公司 | Coal water slurry additive production system and process |
| CN114558496A (en) * | 2022-03-22 | 2022-05-31 | 安徽鑫悦晟华新材料有限公司 | Equipment and process for producing polyurethane combined polyether |
| CN116099479A (en) * | 2023-04-10 | 2023-05-12 | 长盛(廊坊)科技有限公司 | Production device and production method of polyacrylonitrile-based carbon fiber |
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Application publication date: 20170426 |