CN109032227A - A kind of coagulating bath concentration self-control device - Google Patents
A kind of coagulating bath concentration self-control device Download PDFInfo
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- CN109032227A CN109032227A CN201811222338.6A CN201811222338A CN109032227A CN 109032227 A CN109032227 A CN 109032227A CN 201811222338 A CN201811222338 A CN 201811222338A CN 109032227 A CN109032227 A CN 109032227A
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- coagulating bath
- coagulating
- tank
- concentration
- cooling device
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Inorganic Fibers (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Control Of Non-Electrical Variables (AREA)
Abstract
The present invention relates to a kind of coagulating bath concentration self-control devices, belong to PAN carbon fiber production apparatus field.Described device includes coagulating bath storage bin, coagulating bath cooling device, coagulating tank, concentration detection apparatus, temperature control equipment and deionization water tank；The coagulating bath storage bin, coagulating bath cooling device, coagulating tank are sequentially communicated, and the concentration detection apparatus is arranged between coagulating bath cooling device and coagulating tank；The temperature control equipment is connect with coagulating tank, and the wall of the coagulating tank is hollow structure, is provided with cooler, and the cooler is temperature controlled the signal control of device；The deionization water tank is connected to coagulating bath storage device.This hair has the coagulating bath concentration self-control device of concentration monitor, adjusting function and temperature monitoring, adjusting function by design, realizes real-time, the automatic adjustment of solidification bath concentration, temperature well, ensure that the strand quality of production PAN carbon fiber.
Description
Technical field
The invention belongs to PAN carbon fiber production apparatus field more particularly to a kind of coagulating bath concentration self-control devices.
Background technique
Polyacrylonitrile (PAN) carbon fiber has a series of excellent characteristics such as high specific strength and specific modulus, is widely used in navigating
In empty space flight and civilian industry.Preparation for high-performance carbon fibre, it is desirable that using the precursor of high quality.Carbon fiber is as strategy
Product is always paid attention to by countries in the world, and each state is all in the research and development for being dedicated to PAN precursor, but domestic Industry of Carbon Fiber
The developed countries such as Japan far are lagged behind, greatly develop that carbon fiber is extremely urgent, the key for producing carbon fiber is strand quality.Its
The research and development of middle PAN precursor are the key links in carbon fiber preparation process, and influence the factor of precursor product quality compared with
It is more, wherein the control of bath concentration is solidified in spinning solution process of setting, it is particularly critical for the quality for PAN fiber of coming into being, because
This needs a kind of critical equipment of real-time monitoring solidification bath concentration to control the stability of its index.
Summary of the invention
For above-mentioned problems of the prior art, the present invention is intended to provide a kind of coagulating bath concentration self-control fills
It sets.This hair by design there is the solidification bath concentration of concentration monitor, adjusting function and temperature monitoring, adjusting function to adjust automatically
Device is controlled, real-time, the automatic adjustment of solidification bath concentration, temperature is realized well, ensure that the precursor matter of production PAN carbon fiber
Amount.
An object of the present invention is to provide a kind of coagulating bath concentration self-control device.
The second object of the present invention is to provide the application of above-mentioned carbon fiber surface solvent cleaning removing means.
For achieving the above object, specifically, the invention discloses following technical proposals:
Firstly, the invention discloses a kind of coagulating bath concentration self-control device, including coagulating bath storage bin, coagulating bath are cold
But device, coagulating tank, concentration detection apparatus, temperature control equipment and deionization water tank.
The coagulating bath storage bin, coagulating bath cooling device, coagulating tank are sequentially communicated, the concentration detection apparatus setting
Between coagulating bath cooling device and coagulating tank, the real-time detection of concentration is carried out for the solidification liquid to injection coagulating tank,
And cooperate the concentration of solidification liquid in digital displaying meter real-time display flow process.
Constant temperature regulating device is equipped in the coagulating bath storage bin, to guarantee the temperature in entire coagulating bath storage bin.
The temperature control equipment is connect with coagulating tank, and the wall of the coagulating tank is hollow structure, is provided with
There is cooler, the cooler is temperature controlled the signal control of device, and the main function of the temperature control equipment is basis
The temperature of setting is monitored the temperature in coagulating tank, once there is the excessively high situation of coagulation bath temperature in coagulating tank,
Signal can be then issued to cooler, cooler starts work, to cool down to coagulating tank, coagulates to control in coagulating tank
Admittedly the temperature bathed.
Further, the cooler also can be arranged directly in coagulating tank, easily facilitate changing for cooler in this way
Dress.
Further, it is provided with transfer tube between the coagulating bath storage bin and coagulating bath cooling device, in order to state
Solidification liquid injection coagulating bath cooling device in coagulating bath storage bin is cooled down, and solidification liquid after cooling is injected coagulating bath
Slot, in case the spinning solution that spinning head sprays carries out coagulation forming in slot.
The deionization water tank is connected to coagulating bath storage device, in order to inject the deionized water in deionization water tank
In coagulating bath storage bin, to coagulating bath liquid diluting, to carry out concentration control.
Further, solenoid valve, the electromagnetic valve body are provided between the deionization water tank and coagulating bath storage device
It is controlled by the signal of concentration detection apparatus, if there is the case where concentration is higher than setting range, solenoid valve is opened, by deionization water tank
In deionized water injection coagulating bath storage bin in coagulating bath dilute.
Further, the deionization water tank, coagulating bath storage bin, coagulating bath cooling device, pass through between coagulating tank
Pipeline connection；The concentration detection apparatus is arranged on the pipeline between coagulating bath cooling device and coagulating tank.
The coagulating bath includes the deionized water solution of DMSO or DMAC, and the mass concentration of coagulating bath is arranged in 28-35%
In range.
The temperature of the coagulating bath is maintained within the scope of 5-10 DEG C.
Secondly, in order to improve cooling effect, the present invention provides a kind of improved coagulating bath cooling device, including fluid-through tube,
Infundibulate surge bunker, baffle, overflow hole, it is cold that the fluid-through tube enters coagulating bath after the outer casing bottom of coagulating bath cooling device
But it in device, and is tightly connected between fluid-through tube and outer casing bottom, the infundibulate surge bunker is set on fluid-through tube, and funnel
Shape surge bunker is multistage setting, and the size of infundibulate surge bunker is successively successively decreased from top to bottom, and the fluid-through tube runs through multistage funnel
Shape surge bunker, and fluid-through tube is located at the height of the port in coagulating bath cooling device greater than the top level-one infundibulate surge bunker
Highly；The opening of the infundibulate surge bunker is provided with a circle baffle, offers overflow hole on the baffle.
The advantages of this coagulating bath cooling device of the invention, is: when by fluid-through tube to ascend into coagulating bath cold for solidification liquid
But it when device, first has to have already passed through cooling solidification liquid by bottom, by the unreal night between fluid-through tube, may be implemented
Pre-cooling improves cooling efficiency, and after pre-cooling, solidification liquid flows into the first order infundibulate of the top along fluid-through tube outer wall first
Surge bunker during this, since fluid-through tube port is higher, can increase the flowing time of solidification liquid, can be more in flow process
It radiates well, thus increase cooling effect, it is suitable by overflow hole into after the solidification liquid accumulation of first order infundibulate surge bunker
The outer wall of infundibulate surge bunker flow into next stage infundibulate surge bunker again, since solidification liquid is under being entered by way of overflow
Level-one infundibulate surge bunker can effectively increase the cooling effect of solidification liquid in this way, meanwhile, pass through the cooling of this multistage overflow
Mode causes solidification liquid temperature can not when can prevent from directly mixing uncooled solidification liquid and the solidification liquid cooled down
It is rapidly achieved setting value, and while the solidification liquid of different temperatures has been carried out classification by the mode of multistage overflow, it also leaves and fills
The cooling time divided, the above problem is avoided well, in addition, infundibulate surge bunker is dimensioned to from top to bottom successively
Successively decrease, next stage infundibulate surge bunker can not be introduced into when solidification liquid overflow can be effectively ensured and is gradually cooled down, but directly into
Enter in the solidification liquid cooled down, cannot achieve and solidification liquid cooling temperature is precisely controlled.
Finally, the application the invention discloses above-mentioned coagulating bath concentration self-control device in fiber preparation field.
Compared with prior art, the beneficial effect that the present invention obtains is: this hair has concentration monitor, regulation function by design
The coagulating bath concentration self-control device of energy and temperature monitoring, adjusting function realizes solidification bath concentration, temperature well
It is real-time, automatic adjustment, ensure that production PAN carbon fiber strand quality.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is the structural schematic diagram of coagulating bath concentration self-control device of the present invention.
Fig. 2 is coagulating bath cooling device structural schematic diagram of the present invention.
Attached drawing acceptance of the bid note respectively represents: 1- coagulating bath storage bin, 2- coagulating bath cooling device, 3- coagulating tank, 4- concentration
Detection device, 5- temperature control equipment, 6- deionization water tank, 7- transfer tube, 8- cooler, 9- solenoid valve, 21- fluid-through tube, 22-
Infundibulate surge bunker, 23- baffle, 24- overflow hole, 25- shell, the port 26-.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
As background technique is introduced, the existing solidification bath concentration regulation device for being used to prepare polyacrylonitrile carbon fiber
The problems such as undesirable there are still regulating effect.Therefore, the invention proposes a kind of coagulating bath concentration self-control device, below
In conjunction with the drawings and the specific embodiments, the present invention is described further.
Embodiment 1
As shown in Figure 1, a kind of coagulating bath concentration self-control device, including coagulating bath storage bin 1, coagulating bath cooling device
2, coagulating tank 3, concentration detection apparatus 4, temperature control equipment 5 and deionization water tank 6.
The coagulating bath storage bin 1, coagulating bath cooling device 2, coagulating tank 3 are sequentially communicated, the concentration detection apparatus 4
It is arranged between coagulating bath cooling device 2 and coagulating tank 3, carries out the real-time of concentration for the solidification liquid to injection coagulating tank
Detection, and cooperate the concentration of solidification liquid in digital displaying meter real-time display flow process.
Constant temperature regulating device is equipped in the coagulating bath storage bin, to guarantee the temperature in entire coagulating bath storage bin.
The temperature control equipment 5 is connect with coagulating tank 3, and the wall of the coagulating tank 3 is hollow structure, wherein setting
It is equipped with cooler 8, the cooler 8 is temperature controlled the signal control of device 5.
It is provided with transfer tube 7 between the coagulating bath storage bin 1 and coagulating bath cooling device 2, in order to which coagulating bath will be stated
Solidification liquid injection coagulating bath cooling device 2 in storage bin 1 is cooled down, and solidification liquid after cooling is injected coagulating tank, with
The spinning solution that standby spinning head sprays carries out coagulation forming in slot.
The deionization water tank 6 is connected to coagulating bath storage device 1, in order to by the deionized water in deionization water tank 6
It injects in coagulating bath storage bin 1, to coagulating bath liquid diluting, to carry out concentration control.
Solenoid valve 9 is provided between the deionization water tank 6 and coagulating bath storage device 1, the electromagnetic valve body is by concentration
The signal of detection device 4 controls, if there is the case where concentration is higher than setting range, solenoid valve is opened, by deionization water tank 6
Deionized water is injected in coagulating bath storage bin and is diluted to coagulating bath.
The deionization water tank 6, coagulating bath cooling device 2, passes through pipeline between coagulating tank 3 and connects coagulating bath storage bin 1
It is logical；The concentration detection apparatus 4 is arranged on the pipeline between coagulating bath cooling device 2 and coagulating tank 3.
Embodiment 2
A kind of coagulating bath concentration self-control device, with embodiment 1, difference is: the coagulating bath cooling device includes:
Including fluid-through tube 21, infundibulate surge bunker 22, baffle 23, overflow hole 24 (as shown in Figure 2), the fluid-through tube 21 runs through coagulating bath
Enter in coagulating bath cooling device behind 25 bottom of shell of cooling device, and the company of sealing between 25 bottom of fluid-through tube 21 and shell
It connects, the infundibulate surge bunker 22 is set on fluid-through tube 21, and infundibulate surge bunker 22 is multistage setting, infundibulate surge bunker
22 size is successively successively decreased from top to bottom, and the fluid-through tube 21 runs through multistage infundibulate surge bunker 22, and fluid-through tube 21 is positioned at solidifying
Admittedly the height for bathing the port 26 in cooling device is greater than the height of the top level-one infundibulate surge bunker 22；The infundibulate buffering
The opening in storehouse 22 is provided with a circle baffle 23, offers overflow hole 24 on the baffle 23.
The characteristics of the present embodiment coagulating bath cooling device, is: when solidification liquid ascends into the cooling dress of coagulating bath by fluid-through tube
When setting, first has to have already passed through cooling solidification liquid by bottom, by the unreal night between fluid-through tube, may be implemented pre-
It is cold, cooling efficiency is improved, after pre-cooling, the first order infundibulate that solidification liquid flows into the top along fluid-through tube outer wall first is slow
Storehouse is rushed, during this, since fluid-through tube port is higher, the flowing time of solidification liquid can be increased, it can be more preferable in flow process
Ground heat dissipation, to increase cooling effect, into after the solidification liquid accumulation of first order infundibulate surge bunker, by overflow hole, along
The outer wall of infundibulate surge bunker flows into next stage infundibulate surge bunker again, since solidification liquid is by way of overflow into next
Grade infundibulate surge bunker, can effectively increase the cooling effect of solidification liquid in this way, meanwhile, pass through the cooling side of this multistage overflow
Formula causes solidification liquid temperature fast when can prevent from directly mixing uncooled solidification liquid and the solidification liquid cooled down
Speed reaches setting value, and while the solidification liquid of different temperatures has been carried out classification by the mode of multistage overflow, it also leaves sufficiently
Cooling time, the above problem is avoided well, in addition, infundibulate surge bunker is dimensioned to successively pass from top to bottom
Subtract, next stage infundibulate surge bunker can not be introduced into when solidification liquid overflow can be effectively ensured and is gradually cooled down, but is directly entered
In the solidification liquid cooled down, it cannot achieve and solidification liquid cooling temperature is precisely controlled.
Embodiment 3
The application method of coagulating bath concentration self-control device as described in Example 1 are as follows:
(1) by transfer tube 7 by coagulating bath solution (deionized water solution of DMSO, mass concentration 28-35%) from solidifying
Admittedly being pumped into coagulating bath cooling device 2 in bath storage bin 1, temperature control injects solidification liquid after cooling at 5 DEG C after supercooling
Coagulating tank 3,4 pairs of concentration detection apparatus injections being arranged on the pipeline between coagulating bath cooling device 2 and coagulating tank 3 are solidifying
Gu the solidification liquid of bath carries out the real-time detection of concentration, and cooperates the dense of solidification liquid in digital displaying meter real-time display flow process
Degree.
(2) if concentration detection apparatus 4 detects the solution concentration into coagulating tank 3 beyond setting range, to electromagnetism
Valve 9 issues signal, and solenoid valve 9 is opened, and the deionized water in deionization water tank 6, which enters, bathes in storage bin 1 admittedly to being easy to forget concentration
It is adjusted, until concentration detection apparatus 4 detects the solution concentration qualification into coagulating tank 3.
(3) temperature control equipment is monitored the temperature in coagulating tank 3 according to the temperature of setting, once it solidifies
The excessively high situation of coagulation bath temperature in bath can then issue signal to cooler 8, and cooler 8 starts work, thus to coagulating bath
Slot is cooled down, and to control the temperature of coagulating bath in coagulating tank, the temperature of solidification liquid is maintained within the scope of 5-10 DEG C.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for those skilled in the art
For member, various changes and changes are possible in this application.Within the spirit and principles of this application, it is made it is any modification,
Equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of coagulating bath concentration self-control device, it is characterised in that: including coagulating bath storage bin, coagulating bath cooling device,
Coagulating tank, concentration detection apparatus, temperature control equipment and deionization water tank；
The coagulating bath storage bin, coagulating bath cooling device, coagulating tank are sequentially communicated, and the concentration detection apparatus setting is solidifying
Admittedly bathing between cooling device and coagulating tank；
The temperature control equipment is connect with coagulating tank, and the wall of the coagulating tank is hollow structure, is provided with cold
But device, the cooler are temperature controlled the signal control of device；The deionization water tank is connected to coagulating bath storage device.
2. coagulating bath concentration self-control device as described in claim 1, it is characterised in that: set in the coagulating bath storage bin
There is Constant temperature regulating device.
3. coagulating bath concentration self-control device as described in claim 1, it is characterised in that: the coagulating bath storage bin and solidifying
Admittedly transfer tube is provided between bath cooling device, in order to which the cooling dress of the injection coagulating bath of the solidification liquid in coagulating bath storage bin will be stated
It sets and is cooled down, solidification liquid after cooling is injected into coagulating tank, in case the spinning solution that spinning head sprays is coagulated in slot
Gu molding.
4. coagulating bath concentration self-control device as described in claim 1, it is characterised in that: the deionization water tank and solidification
It is provided with solenoid valve between bath storage device, the electromagnetic valve body is controlled by the signal of concentration detection apparatus.
5. coagulating bath concentration self-control device as described in claim 1, it is characterised in that: the deionization water tank, solidification
Bathe storage bin, coagulating bath cooling device, between coagulating tank by pipeline connection；The concentration detection apparatus is arranged in coagulating bath
On pipeline between cooling device and coagulating tank.
6. coagulating bath concentration self-control device as described in any one in claim 1-5, it is characterised in that: the setting exists
Cooler in coagulating tank replaces the cooler being arranged in the wall of the hollow structure.
7. coagulating bath concentration self-control device as claimed in claim 6, it is characterised in that: the coagulating bath include DMSO or
The mass concentration of the deionized water solution of DMAC, the coagulating bath is arranged within the scope of 28-35%.
8. coagulating bath concentration self-control device as claimed in claim 7, it is characterised in that: the temperature of the coagulating bath is kept
Within the scope of 5-10 DEG C.
9. coagulating bath concentration self-control device as described in any one in claim 1-5, it is characterised in that: the coagulating bath is cold
But device includes: including fluid-through tube, infundibulate surge bunker, baffle, overflow hole, and the fluid-through tube is through coagulating bath cooling device
Enter in coagulating bath cooling device after outer casing bottom, and is tightly connected between fluid-through tube and outer casing bottom, the infundibulate buffering
Storehouse is set on fluid-through tube, and infundibulate surge bunker is multistage setting, and the size of infundibulate surge bunker is successively successively decreased from top to bottom,
The fluid-through tube runs through multistage infundibulate surge bunker, and fluid-through tube is located at the height of the port in coagulating bath cooling device greater than most
The height of level-one infundibulate surge bunker above；The opening of the infundibulate surge bunker is provided with a circle baffle, on the baffle
Offer overflow hole.
10. such as application of the described in any item coagulating bath concentration self-control devices of claim 1-9 in fiber preparation field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811222338.6A CN109032227B (en) | 2018-10-19 | 2018-10-19 | Automatic regulating and controlling device for concentration of coagulating bath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811222338.6A CN109032227B (en) | 2018-10-19 | 2018-10-19 | Automatic regulating and controlling device for concentration of coagulating bath |
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| Publication Number | Publication Date |
|---|---|
| CN109032227A true CN109032227A (en) | 2018-12-18 |
| CN109032227B CN109032227B (en) | 2023-07-28 |
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ID=64613785
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811222338.6A Active CN109032227B (en) | 2018-10-19 | 2018-10-19 | Automatic regulating and controlling device for concentration of coagulating bath |
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| CN (1) | CN109032227B (en) |
Cited By (1)
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| CN116238174A (en) * | 2023-02-27 | 2023-06-09 | 海卓迈博(苏州)新材料有限公司 | Method for continuously preparing alkaline electrolyzed water composite membrane |
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| CN109032227B (en) | 2023-07-28 |
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