CN211256165U - Circular blowing cooling device in chemical fiber production - Google Patents
Circular blowing cooling device in chemical fiber production Download PDFInfo
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- CN211256165U CN211256165U CN201922122311.6U CN201922122311U CN211256165U CN 211256165 U CN211256165 U CN 211256165U CN 201922122311 U CN201922122311 U CN 201922122311U CN 211256165 U CN211256165 U CN 211256165U
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Abstract
The utility model belongs to the technical field of the chemical fibre production facility and specifically relates to a chemical fibre production zhonghuan blowing cooling device, including spinneret, ring blowing case, a silk screen section of thick bamboo, spinneret and ring blowing case set up in the frame, set up a silk screen section of thick bamboo at ring blowing incasement portion, are provided with the air-supply line on ring blowing case, and the wind that gets into ring blowing case is from passing a silk screen section of thick bamboo, and a silk screen section of thick bamboo is located the spinneret under, and the chemical fiber silk of output passes from a silk screen section of thick bamboo on the spinneret, is connected with the extension dryer at the lower extreme of a silk screen section of thick bamboo, and the extension dryer includes the straight section of slope changeover portion of upper end and lower extreme interconnect of a silk screen section of thick bamboo, the slope changeover portion. The utility model provides a cooling device is blown to ring in chemical fiber production utilizes the increase of extension dryer, very big assurance spinning cooling condition's homogeneity, reaches the tensile stress decline, and nascent fibre pre-orientation degree reduces, and radial birefringence difference diminishes, promotes the interior quality of fibre.
Description
Technical Field
The utility model belongs to the technical field of chemical fiber production facility and specifically relates to a cooling device is blown to ring in chemical fiber production.
Background
The modern chemical fiber production spinning cooling technology is divided into a side blowing mode and a circular blowing mode.
As a novel cooling technology, the cooling technology of the filter element of the circular blowing cylinder has the advantages that the problem of cooling uniformity of the strand silk can be well solved compared with the lateral blowing cooling technology, the cooling technology becomes a development hotspot of each manufacturer, but the spinning speed is lower than that of a lateral blowing device, which always puzzles the difficulty of each manufacturer, and meanwhile, how to further promote the subsequent processing quality becomes a great difficulty in front of technicians.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the technical problem that the utility model provides a cooling device is blown to ring in chemical fiber production can change the inside wind speed of a wire mesh section of thick bamboo in order to promote the chemical fiber quality.
In order to achieve the purpose, the middle ring blowing and cooling device for chemical fiber production, which is designed by the utility model, comprises a spinneret plate, a ring blowing box and a wire mesh cylinder, the spinneret plate and the annular blowing box are arranged on the frame, the spinneret plate is positioned right above the annular blowing box, a silk screen cylinder is arranged in the annular blowing box, an air inlet pipe is arranged on the annular blowing box, air entering the annular blowing box passes through the silk screen cylinder, the silk screen cylinder is positioned right below a spinneret plate, and chemical fiber filaments output on the spinneret plate pass through the silk screen cylinder, the lower end of the silk screen cylinder is connected with an extension air cylinder, the extension air cylinder comprises an inclined transition section at the upper end and a straight cylinder section at the lower end, the inclined transition section of the extension air cylinder is connected with the lower end of the silk screen cylinder, the maximum inner diameter of the inclined transition section of the extension air cylinder is consistent with the inner diameter of the silk screen cylinder, the diameter of the straight cylinder section of the extension air cylinder is smaller than that of the silk screen cylinder, and the diameter of the straight cylinder section of the extension air cylinder is larger than the effective spinning diameter of the spinneret plate.
In the technical scheme, the straight cylinder section of the extension air cylinder covers the primary fiber curing area below the wire mesh cylinder in the extension air cylinder, so that the primary fibers are cured in the extension air cylinder. In practical use, the gap between the annular blowing box and the spinneret plate is 75 +/-5 mm, the height of the annular blowing box is 270 +/-10 mm, and the length of the extension air cylinder is 400 +/-50 mm, so that the curing length of the nascent fiber is about 600mm and is completely arranged in the annular blowing box and the extension air cylinder.
Under the condition that the nascent fiber passes through the annular blowing box and the extension air pipe, the annular blowing box blows cooling air into the silk screen cylinder and discharges the cooling air downwards along the extension air pipe, and when the nascent fiber passes through the inclined transition section of the extension air pipe, the caliber of the inclined transition section is gradually reduced, so that the air speed is increased, the resistance to the nascent fiber is reduced, the spinning speed can be increased, and the fiber quality is improved.
The annular air blowing box is of an annular hollow cavity structure, the wire mesh cylinder is arranged at the upper end of the inner side of the annular air blowing box, and the air inlet pipe is arranged at the lower end of the outer side of the annular air blowing box. The design of the structure can ensure the uniformity of cooling air blown into the wire mesh cylinder by the circular air blowing box and reduce the radial interference to nascent fiber.
A soft cushion for sealing is arranged between the wire mesh cylinder and the extension air cylinder. The design of this structure can ensure that can not produce the air leakage and cause the mixed flow of inside air between silk screen cylinder and the extension dryer to reduce the influence to the silk bundle.
The utility model provides a cooling device is blown to ring in chemical fibre production utilizes the increase of extension dryer, very big assurance spinning cooling condition's homogeneity, has played the effect and the slow cooling effect that prevent the wild wind interference objectively, finally reaches tensile stress and descends, and nascent fibre pre-orientation degree reduces, and radial birefringence difference rate diminishes, when promoting the inherent quality of fibre, and extension POY accelerates the space, spins and the target of back spinning before promoting.
The utility model provides a chemical fibre production zhonghuan blowing cooling device, wherein the use of extension dryer not only can make the preceding spinning breakthrough spin speed bottleneck, and more importantly, the promotion of inherent quality for the homogeneity of later process is showing the promotion, has reached the effect that traditional ring blowing device did not have before. Meanwhile, the method can be widely applied to all spinning production adopting circular blowing cooling, and has wide use and popularization values.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The invention is further described by the following embodiments in conjunction with the accompanying drawings.
Example 1:
as shown in fig. 1, the ring blowing cooling device in chemical fiber production described in this embodiment includes a spinneret plate 1, a ring blowing box 2, and a screen cylinder 3, the spinneret plate 1 and the ring blowing box 2 are disposed on a frame, the spinneret plate 1 is located right above the ring blowing box 2, the screen cylinder 3 is disposed inside the ring blowing box 2, an air inlet pipe 4 is disposed on the ring blowing box 2, air entering the ring blowing box 2 passes through the screen cylinder 3, the screen cylinder 3 is located right below the spinneret plate 1, chemical fibers output from the spinneret plate 1 pass through the screen cylinder 3, an extension air cylinder 5 is connected to the lower end of the screen cylinder 3, the extension air cylinder 5 includes an inclined transition section 6 at the upper end and a straight cylinder section 7 at the lower end, the inclined transition section 6 of the extension air cylinder 5 is connected to the lower end of the screen cylinder 3, the maximum inner diameter of the inclined transition section 6 of the extension air cylinder 5 is consistent with the inner diameter of the screen cylinder 3, the diameter of the straight cylinder section 7 of the extension air cylinder 5 is smaller than that of the wire mesh cylinder 3, and the diameter of the straight cylinder section 7 of the extension air cylinder 5 is larger than the effective spinning diameter of the spinneret plate 1.
The annular blowing box 2 is of an annular hollow cavity structure, the wire mesh cylinder 3 is arranged at the upper end of the inner side of the annular blowing box 2, and the air inlet pipe 4 is arranged at the lower end of the outer side of the annular blowing box 2. A soft cushion for sealing is arranged between the silk screen cylinder 3 and the extension air cylinder 5.
POY and DTY production was carried out using the above apparatus, and the indexes of POY and DTY are shown in the following table.
Claims (3)
1. The utility model provides a cooling device is blown to ring in chemical fiber production which characterized by: the spinneret plate and the circular blowing box are arranged on a rack, the spinneret plate is located right above the circular blowing box, the circular blowing box is internally provided with the circular blowing box, an air inlet pipe is arranged on the circular blowing box, air entering the circular blowing box passes through the circular blowing box, the circular blowing box is located right below the spinneret plate, chemical fiber fibers output on the spinneret plate pass through the circular blowing box, the lower end of the circular blowing box is connected with an extension air cylinder, the extension air cylinder comprises an inclined transition section at the upper end and a straight cylinder section at the lower end, the inclined transition section of the extension air cylinder is connected with the lower end of the circular blowing box, the maximum inner diameter of the inclined transition section of the extension air cylinder is consistent with the inner diameter of the circular blowing box, the diameter of the straight cylinder section of the extension air cylinder is smaller than that of the circular blowing box, and the diameter of the straight cylinder section of the extension air cylinder is larger than the effective spinning diameter of the spinneret plate.
2. The cooling device of claim 1, wherein the cooling device comprises: the annular air blowing box is of an annular hollow cavity structure, the wire mesh cylinder is arranged at the upper end of the inner side of the annular air blowing box, and the air inlet pipe is arranged at the lower end of the outer side of the annular air blowing box.
3. The cooling device of claim 1, wherein the cooling device comprises: a soft cushion for sealing is arranged between the wire mesh cylinder and the extension air cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922122311.6U CN211256165U (en) | 2019-12-02 | 2019-12-02 | Circular blowing cooling device in chemical fiber production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922122311.6U CN211256165U (en) | 2019-12-02 | 2019-12-02 | Circular blowing cooling device in chemical fiber production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211256165U true CN211256165U (en) | 2020-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922122311.6U Active CN211256165U (en) | 2019-12-02 | 2019-12-02 | Circular blowing cooling device in chemical fiber production |
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| CN (1) | CN211256165U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112458554A (en) * | 2020-11-12 | 2021-03-09 | 江苏德力化纤有限公司 | Production equipment and preparation method of low linear density polyester fiber |
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2019
- 2019-12-02 CN CN201922122311.6U patent/CN211256165U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112458554A (en) * | 2020-11-12 | 2021-03-09 | 江苏德力化纤有限公司 | Production equipment and preparation method of low linear density polyester fiber |
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