CN214881971U - System for stably adjusting pH value of oil bath on viscose fibers - Google Patents
System for stably adjusting pH value of oil bath on viscose fibers Download PDFInfo
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- CN214881971U CN214881971U CN202120906991.5U CN202120906991U CN214881971U CN 214881971 U CN214881971 U CN 214881971U CN 202120906991 U CN202120906991 U CN 202120906991U CN 214881971 U CN214881971 U CN 214881971U
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- sulfuric acid
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- oil bath
- storage tank
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Abstract
The utility model provides a system for stably adjusting the pH value of an oil bath on viscose fibers, which comprises a concentrated sulfuric acid storage tank, a sulfuric acid metering tank, an oil bath adjusting tank, a sulfuric acid storage tank and an oil bath pH adjusting tank; the concentrated sulfuric acid storage tank is connected with the sulfuric acid metering tank through the sulfuric acid pump, the sulfuric acid metering tank is connected with the sulfuric acid blending tank through the sulfuric acid pump, the sulfuric acid blending tank is connected with the sulfuric acid storage tank, and the oil bath pH blending tank is respectively connected with the sulfuric acid storage tank and the oil bath blending tank. The utility model controls the usage amount of concentrated sulfuric acid according to the theoretical value, and avoids the large fluctuation of pH in the sulfuric acid adjusting tank; the online pH detector and the sampling detection can master the pH change in real time, so that the pH reaches the set requirement.
Description
Technical Field
The utility model relates to a viscose fiber production facility technical field specifically is a system for stably adjust viscose fiber oil bath pH value that oils.
Background
The viscose fiber belongs to regenerated cellulose fiber and has the environmental protection advantages of rich and renewable raw materials, biodegradable products and the like; meanwhile, the viscose fiber has the excellent performances of strong hygroscopicity, easy dyeing, static resistance, easy textile processing, comfortable wearing and the like, so that the application field of the viscose fiber is more and more extensive, and the market demand is continuously expanded.
In the production process of viscose, the last step of post-treatment is oiling, the pH value of the fiber needs to be adjusted during oiling, acetic acid is often adopted in the industry for adjustment, and the pH value of an oil bath for oiling the acetic acid-adjusted fiber has the advantages of good stability and easy control, but has the defects of high cost, high volatility, poor field operation environment and the like; the sulfuric acid is adopted to replace acetic acid to adjust the pH value of the oil bath, so that the field environment can be improved, the cost can be reduced, and the problems of difficult control, poor stability and the like exist.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a system for stably adjust viscose fiber oil bath pH value that oils adopts sulphuric acid to stably adjust viscose fiber oil bath pH that oils.
In order to achieve the technical purpose, the utility model adopts the following technical scheme.
A system for stably adjusting the pH value of an oil bath on viscose fibers comprises a concentrated sulfuric acid storage tank, a sulfuric acid metering tank, an oil bath adjusting tank, a sulfuric acid storage tank and an oil bath pH adjusting tank;
the concentrated sulfuric acid storage tank is connected with the sulfuric acid metering tank through the sulfuric acid pump, the sulfuric acid metering tank is connected with the sulfuric acid blending tank through the sulfuric acid pump, the sulfuric acid blending tank is connected with the sulfuric acid storage tank, and the oil bath pH blending tank is respectively connected with the sulfuric acid storage tank and the oil bath blending tank.
The oil bath pH adjusting tank, the sulfuric acid storage tank and the sulfuric acid adjusting tank are respectively provided with an online pH detector;
the oil bath pH blending tank and the sulfuric acid blending tank are respectively provided with a sampling port.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the use amount of concentrated sulfuric acid is controlled by the sulfuric acid metering tank according to a theoretical value, so that the large fluctuation of pH in the sulfuric acid blending tank is avoided.
(2) The sulfuric acid blending tank, the sulfuric acid storage tank and the oil bath pH blending tank play a buffering role on the pH value, so that the pH value is more stable.
(3)3 online pH detectors and 2 manual sampling detectors can master pH conversion in real time, so that the pH reaches the set requirement.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The invention is further explained below with reference to the drawings.
As shown in fig. 1, a system for stably adjusting the pH value of an oil bath on viscose fibers comprises a concentrated sulfuric acid storage tank 1, a sulfuric acid metering tank 2, an oil bath adjustment tank 3, a sulfuric acid adjustment tank 6, a sulfuric acid storage tank 5 and an oil bath pH adjustment tank 4;
the concentrated sulfuric acid storage tank 1 is connected with a sulfuric acid metering tank 2 through a sulfuric acid pump, the sulfuric acid metering tank 2 is connected with a sulfuric acid blending tank 6 through the sulfuric acid pump, the sulfuric acid blending tank 6 is connected with a sulfuric acid storage tank 5, and the oil bath pH blending tank 4 is respectively connected with the sulfuric acid storage tank 5 and the oil bath blending tank 3;
the oil bath pH adjusting tank 4, the sulfuric acid storage tank 5 and the sulfuric acid adjusting tank 6 are respectively provided with an online pH detector;
the oil bath pH adjusting tank 4 and the sulfuric acid adjusting tank 6 are respectively provided with a sampling port.
The concentrated sulfuric acid is conveyed to a sulfuric acid metering tank 2 through a sulfuric acid pump, and the sulfuric acid metering tank 2 is added into a sulfuric acid blending tank 6 for blending after being accurately metered; an online pH detector is arranged in the sulfuric acid blending tank 6, the pH value is monitored to change in real time in the blending process, and the sulfuric acid blending tank 6 is provided with a sampling port for manually testing the blended sulfuric acid to ensure the accuracy of the pH value; the prepared sulfuric acid is conveyed to a sulfuric acid storage tank 5 for standby, and an online pH detector is also arranged in the sulfuric acid storage tank 5; the prepared sulfuric acid and the oil bath are uniformly mixed in the oil bath pH blending tank 4, an online pH detector is also arranged in the oil bath pH blending tank 4, and a sampling port is arranged to detect the pH of the oil solution.
Claims (3)
1. A system for stably adjusting the pH value of an oil bath on viscose fibers is characterized by comprising a concentrated sulfuric acid storage tank, a sulfuric acid metering tank, an oil bath adjusting tank, a sulfuric acid storage tank and an oil bath pH adjusting tank;
the concentrated sulfuric acid storage tank is connected with the sulfuric acid metering tank through the sulfuric acid pump, the sulfuric acid metering tank is connected with the sulfuric acid blending tank through the sulfuric acid pump, the sulfuric acid blending tank is connected with the sulfuric acid storage tank, and the oil bath pH blending tank is respectively connected with the sulfuric acid storage tank and the oil bath blending tank.
2. The system for stably adjusting the pH value of an oil bath on viscose fibers as claimed in claim 1, wherein: and the oil bath pH blending tank, the sulfuric acid storage tank and the sulfuric acid blending tank are respectively provided with an online pH detector.
3. The system for stably adjusting the pH value of an oil bath on viscose fibers as claimed in claim 1 or 2, wherein: the oil bath pH blending tank and the sulfuric acid blending tank are respectively provided with a sampling port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120906991.5U CN214881971U (en) | 2021-04-29 | 2021-04-29 | System for stably adjusting pH value of oil bath on viscose fibers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120906991.5U CN214881971U (en) | 2021-04-29 | 2021-04-29 | System for stably adjusting pH value of oil bath on viscose fibers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214881971U true CN214881971U (en) | 2021-11-26 |
Family
ID=78947577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120906991.5U Active CN214881971U (en) | 2021-04-29 | 2021-04-29 | System for stably adjusting pH value of oil bath on viscose fibers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214881971U (en) |
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2021
- 2021-04-29 CN CN202120906991.5U patent/CN214881971U/en active Active
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