A nylon 6 chip drying system

A drying system and slicing technology, applied in drying gas arrangement, drying, dryer and other directions, can solve the problems of energy waste and low degree of automation, and achieve the effect of ensuring drying efficiency, improving the degree of automation, and increasing the specific surface area

Active Publication Date: 2019-03-19
JIANGSU HONGSHENG NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the problems of energy waste and low degree of automation existing in the prior art, the present invention provides a nylon 6 chip drying system

Method used

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  • A nylon 6 chip drying system
  • A nylon 6 chip drying system
  • A nylon 6 chip drying system

Examples

Experimental program
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Effect test

Embodiment 1

[0029] This embodiment discloses a drying system for nylon 6 slices, the drying system includes a drying device and a control system; the control system automatically over-controls the drying device.

[0030] Such as figure 1 As shown, the drying device includes a drying tower 1, a first nitrogen distributor 2, a second nitrogen distributor 3, a circulation system I and a circulation system II, the first nitrogen distributor 2 is connected to the middle of the drying tower 1, and the second The second nitrogen distributor 3 is connected to the bottom of the drying tower 1; a circulation system I is provided between the first nitrogen distributor 2 and the drying tower 1, and a circulation system II is provided between the second nitrogen distributor 3 and the drying tower 1; The circulation system I includes a nitrogen filter 4, a circulation fan I5, a regulating valve I12, an upper nitrogen heater 8 and a steam-water separator a13. Described nitrogen filter 4, circulating fa...

Embodiment 2

[0039] The difference between this embodiment and the first embodiment is that the dehydration efficiency of the spray tower 24 is adjusted by the controller, and at this time, the branch ci of the circulation system II in the first embodiment can be omitted, as figure 2 As shown, this can reduce the facility cost while improving the dehydration efficiency through the spray tower 24.

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Abstract

The invention provides a nylon 6 slice drying system. The drying system comprises a drying device and a control system; and the control system automatically controls the drying device. The drying system is characterized in that the drying device includes a drying tower, a first nitrogen distributor, a second nitrogen distributor, a circulating system I and a circulating system II; the first nitrogen distributor is connected to the middle part of the drying tower; the second nitrogen distributor is connected to the lower part of the drying tower; the circulating system I is arranged between the first nitrogen distributor and the drying tower; and the circulating system II is arranged between the second nitrogen distributor and the drying tower. The nylon 6 slice drying system has the following beneficial effects: according to the detected data of the water content and the oxygen content in nitrogen, a nitrogen circulating loop is divided into the circulating system I and the circulating system II, so that the water content in nitrogen is always located in a stable state, meanwhile, the energy saving effect is achieved, and the drying system can be monitored in real time.

Description

technical field [0001] The invention relates to the technical field of nylon 6 slices, in particular to a drying system for nylon 6 slices Background technique [0002] Nylon 6 slices are usually in the form of white columnar particles, with a melting point of 210-220°C and a decomposition temperature of about 300°C. It is soluble in phenol and hot concentrated sulfuric acid. It has excellent electrical insulation performance, good alkali resistance and corrosion resistance. Nylon is The fiber with the best abrasion resistance among the fibers. Due to its excellent wear resistance and corrosion resistance, it is widely used in life. [0003] In the existing production process, nitrogen gas is used for continuous drying during the drying process. The dehydrated wet slices enter the drying tower from the top of the continuous drying tower, and the slices are in countercurrent contact with hot nitrogen gas in the drying tower. The slices flow slowly downward at a certain speed...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F26B21/00F26B21/04F26B21/08F26B21/10
CPCF26B21/001F26B21/004F26B21/04F26B21/08F26B21/10
Inventor 倪利锋刘国
Owner JIANGSU HONGSHENG NEW MATERIAL
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