CN115414858A - Mother liquor charge device - Google Patents
Mother liquor charge device Download PDFInfo
- Publication number
- CN115414858A CN115414858A CN202211127327.6A CN202211127327A CN115414858A CN 115414858 A CN115414858 A CN 115414858A CN 202211127327 A CN202211127327 A CN 202211127327A CN 115414858 A CN115414858 A CN 115414858A
- Authority
- CN
- China
- Prior art keywords
- mother liquor
- container
- solution mixing
- stirrer
- mixing container
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
- B01F35/83—Forming a predetermined ratio of the substances to be mixed by controlling the ratio of two or more flows, e.g. using flow sensing or flow controlling devices
- B01F35/834—Forming a predetermined ratio of the substances to be mixed by controlling the ratio of two or more flows, e.g. using flow sensing or flow controlling devices the flow of substances to be mixed circulating in a closed circuit, e.g. from a container through valve, driving means, metering means or dispensing means, e.g. 3-way valve, and back to the container
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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
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/50—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle
- B01F25/53—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle in which the mixture is discharged from and reintroduced into a receptacle through a recirculation tube, into which an additional component is introduced
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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
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/81—Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles
- B01F33/811—Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles in two or more consecutive, i.e. successive, mixing receptacles or being consecutively arranged
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/30—Mixing paints or paint ingredients, e.g. pigments, dyes, colours, lacquers or enamel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/56—Mixing photosensitive chemicals or photographic base materials
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Accessories For Mixers (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention discloses a mother liquor dosing device, which comprises: a mother liquor preparation container and a solution mixing container; the mother liquor preparation container is communicated with the solution mixing container through a conveying pipeline; the top of the mother liquor blending container is provided with a feed port and a fluid metering device; an iodine elementary substance placing container is arranged in the mother solution blending container; a first flowmeter is arranged on the conveying pipeline; the top of the solution mixing container is provided with a dyeing liquid inlet, and the bottom of the solution mixing container is provided with a liquid outlet. The invention can continuously and stably supplement the dyeing mother liquor in the production process, thereby ensuring the stability of the iodine concentration in the dyeing liquor, ensuring the stability of the optical performance of the product and further improving the stability of the product quality.
Description
Technical Field
The invention relates to the technical field of polaroid production, in particular to a mother liquor dosing device.
Background
At present, the global polarizer production enterprises mainly adopt wet stretching technology as the main technology. The wet stretching process refers to a production method that the PVA film is firstly dyed and then stretched, fixed, compounded and dried in solution. The commonly used process at present is an iodine wet-process stretching process, and the stability of the iodine concentration in the dyeing liquid determines the stability of the optical performance of the polarizer. Because the iodine concentration in the dyeing liquid is mainly maintained to be stable through the supplement of the dyeing mother liquor, how to obtain the stable supplement of the mother liquor is related to the quality of the whole product. However, the existing mother liquor dosing device cannot continuously and stably supplement dyeing mother liquor, and the stability of ensuring the product quality is influenced.
Therefore, how to provide a mother liquor dosing device which can continuously and stably supplement dyeing mother liquor in the production process so as to improve the stability of product quality is one of the technical problems to be solved urgently in the field.
Disclosure of Invention
In view of this, the invention provides a mother liquor dosing device. The purpose is in order to solve the problem that exists among the prior art.
In order to solve the technical problem, the invention adopts the following technical scheme:
a mother liquor charge device includes: a mother liquor preparation container and a solution mixing container; the mother liquor preparation container is communicated with the solution mixing container through a conveying pipeline; the top of the mother liquor blending container is provided with a feed inlet and a fluid metering device; an iodine simple substance placing container is arranged in the mother solution blending container; a first flowmeter is arranged on the conveying pipeline; the top of the solution mixing container is provided with a dyeing liquid inlet, and the bottom of the solution mixing container is provided with a liquid outlet.
Preferably, a first stirrer and a second stirrer are arranged at the top of the mother liquor blending container; the stirring end of the first stirrer extends into the iodine simple substance placing container; and the stirring end of the second stirrer extends into the mother liquor blending container.
Preferably, a third stirrer is arranged at the top of the solution mixing container; and the stirring end of the third stirrer extends into the solution mixing container.
Preferably, the fluid metering device comprises a water feed pipe and a second flow meter; the water adding pipe is arranged at the top of the mother liquor blending container; the second flowmeter is arranged on the water feeding pipe.
Preferably, the first flow meter and the second flow meter are both electromagnetic flow meters.
Preferably, one end of the conveying pipeline is connected to the bottom of the mother liquor preparation container, and the other end of the conveying pipeline is connected to the top of the solution mixing container.
Compared with the prior art, the invention has the following technical effects: the method can continuously and stably supplement the dyeing mother liquor in the production process, thereby ensuring the stability of the concentration of iodine in the dyeing liquor, ensuring the stability of the optical performance of the product and further improving the stability of the quality of the product.
Drawings
FIG. 1 is a schematic structural view of a mother liquor dosing device according to the present invention;
in the figure: 1. a mother liquor preparation container; 2. a solution mixing vessel; 3. a delivery conduit; 4. a feeding port; 5. a fluid metering device; 501. adding a water pipe; 502. a second flow meter; 6. placing an iodine elementary substance in a container; 7. a first flow meter; 8. a dyeing liquid inlet; 9. a liquid outlet; 10. a first stirrer; 11. a second agitator; 12. and a third stirrer.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
The invention discloses a mother liquor dosing device shown in figure 1, which comprises: a mother liquor preparation container 1 and a solution mixing container 2; the mother liquor preparation container 1 is communicated with the solution mixing container 2 through a conveying pipeline 3; the top of the mother liquor blending container 1 is provided with a feed inlet 4 and a fluid metering device 5; an iodine simple substance placing container 6 is arranged in the mother liquor blending container 1; a first flow meter 7 is arranged on the conveying pipeline 3; a dyeing liquid inlet 8 is arranged at the top of the solution mixing container 2, and a liquid outlet 9 is arranged at the bottom of the solution mixing container 2; during production, firstly, a certain amount of water is added into the mother liquor blending container 1 through the fluid metering device 5, meanwhile, auxiliary medicines are added into the mother liquor blending container 1 from the feeding port 4, then, an iodine simple substance is added into the iodine simple substance placing container 6 from the feeding port 4, blending of the dyeing mother liquor is completed, finally, the blended dyeing mother liquor obtains stable flow through the first flowmeter 7 and then is added into the solution mixing container 2 through the conveying pipeline 3, meanwhile, the dyeing liquor circularly returned from the production site enters the solution mixing container 2 through the dyeing liquor inlet 8 and is uniformly mixed with the blended dyeing mother liquor and then enters the production site again through the liquor outlet 9, so that the supplement of the dyeing mother liquor is continuously and stably carried out along with the production process, the stability of the iodine concentration in the dyeing liquor is ensured, the stability of the optical performance of the product is ensured, and the stability of the quality of the product is improved.
In this embodiment, the top of the mother liquor blending container 1 is provided with a first stirrer 10 and a second stirrer 11 for stirring; the stirring end of the first stirrer 10 extends into the iodine simple substance placing container 6; the stirring end of the second stirrer 11 extends into the mother liquor blending container 1.
In this embodiment, the top of the solution mixing container 2 is provided with a third stirrer 12; the stirring end of the third stirrer 12 extends into the solution mixing container 2 for stirring the solution in the solution mixing container.
In the present embodiment, the fluid metering device 5 includes a water feed pipe 501 and a second flow meter 502; the water adding pipe 501 is arranged at the top of the mother liquor blending container 1; the second flowmeter 502 is disposed on the water-adding pipe 501 for quantitatively adding water.
In the present embodiment, the first flow meter 7 and the second flow meter 502 are both electromagnetic flow meters.
In this embodiment, one end of the delivery pipe 3 is connected to the bottom of the mother liquor preparing vessel 1, and the other end of the delivery pipe 3 is connected to the top of the solution mixing vessel 2.
In the present embodiment, the mother liquor blending container 1 includes a first tank and a first sealing cover disposed on the top of the first tank; the solution mixing container 2 includes a second tank and a second sealing cap provided at the top of the second tank.
In the present embodiment, the stirring rates of the first stirrer 10, the second stirrer 11 and the third stirrer 12 can be adjusted as required.
The working principle is as follows: during production, firstly, a certain amount of water is added into the mother liquor blending container 1 through the water adding pipe 501 and the second flow meter 502, meanwhile, auxiliary medicines are added into the mother liquor blending container 1 from the feeding port 4, the mixture is uniformly stirred and dissolved by the second stirrer 11, then an iodine simple substance is added into the iodine simple substance placing container 6 from the feeding port 4, the dissolution is accelerated under the combined action of the first stirrer 10 and the second stirrer 11, the blending of the dyeing mother liquor is completed, finally, the blended dyeing mother liquor obtains a stable flow through the first flow meter 7 and then is added into the solution mixing container 2 through the conveying pipeline 3, meanwhile, the dyeing liquor circulated back in the production field enters the solution mixing container 2 through the dyeing liquor inlet 8 and is uniformly mixed with the blended dyeing mother liquor through the third stirrer 12, and then enters the production field through the liquor outlet 9 again, so that the supplementation of the dyeing mother liquor is continuously and stably performed along with the production process, the stability of the iodine concentration in the dyeing liquor is ensured, the stability of the optical performance of products is ensured, and the stability of the quality of the products is further improved.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (6)
1. The utility model provides a mother liquor charge device which characterized in that includes: a mother liquor preparation container (1) and a solution mixing container (2); the mother liquor preparation container (1) is communicated with the solution mixing container (2) through a conveying pipeline (3); the top of the mother liquor blending container (1) is provided with a feed port (4) and a fluid metering device (5); an iodine simple substance placing container (6) is arranged in the mother solution blending container (1); a first flowmeter (7) is arranged on the conveying pipeline (3); the top of the solution mixing container (2) is provided with a dyeing liquid inlet (8), and the bottom of the solution mixing container (2) is provided with a liquid outlet (9).
2. The mother liquor dosing device as claimed in claim 1, characterized in that a first stirrer (10) and a second stirrer (11) are arranged at the top of the mother liquor blending container (1); the stirring end of the first stirrer (10) extends into the iodine simple substance placing container (6); the stirring end of the second stirrer (11) extends into the mother liquor blending container (1).
3. The mother liquor dosing device as claimed in claim 1, characterized in that a third stirrer (12) is arranged at the top of the solution mixing container (2); the stirring end of the third stirrer (12) extends into the solution mixing container (2).
4. Mother liquor dosing device according to claim 1, characterized in that the fluid metering device (5) comprises a dosing pipe (501) and a second flow meter (502); the water adding pipe (501) is arranged at the top of the mother liquor preparation container (1); the second flowmeter (502) is arranged on the water adding pipe (501).
5. The mother liquor dosing device as claimed in claim 4, characterized in that the first flow meter (7) and the second flow meter (502) are both electromagnetic flow meters.
6. The mother liquor dosing device as claimed in claim 1, wherein one end of the delivery pipe (3) is connected to the bottom of the mother liquor blending container (1), and the other end of the delivery pipe (3) is connected to the top of the solution mixing container (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211127327.6A CN115414858A (en) | 2022-09-16 | 2022-09-16 | Mother liquor charge device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211127327.6A CN115414858A (en) | 2022-09-16 | 2022-09-16 | Mother liquor charge device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115414858A true CN115414858A (en) | 2022-12-02 |
Family
ID=84204755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211127327.6A Pending CN115414858A (en) | 2022-09-16 | 2022-09-16 | Mother liquor charge device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115414858A (en) |
-
2022
- 2022-09-16 CN CN202211127327.6A patent/CN115414858A/en active Pending
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