Heat preservation device capable of effectively improving temperature uniformity of spinneret plate
By installing a heat insulation device at the bottom of the spinneret and using heat insulation cotton and ceramic fiber paper insulation layers, the problem of uneven temperature of the spinneret is solved, and the heat insulation performance and product quality are improved.
Patent Information
- Application Number
- CN202520069490.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-01-13
AI Technical Summary
The bottom of the spinneret is close to the side air chamber, resulting in poor heat insulation, easy heat loss, and affecting the temperature uniformity of the spinneret and product quality.
A heat insulation device is installed at the bottom of the spinneret, including a heat insulation chamber composed of a bottom plate and side plates, which is filled with a heat insulation cotton layer and a ceramic fiber paper heat insulation layer and is fixed by bolts.
It significantly improves the temperature uniformity of the spinneret, enhances product uniformity and strength, extends the component replacement cycle, and reduces the rate of abnormal coiling.
Smart Images
Figure CN223674812U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a spinning head heat preservation technical field especially relates to a heat preservation device that effectively promotes spinning head temperature uniformity. BACKGROUND
[0002] The green regenerated nylon production mode is as follows: the waste nylon powder after crushing is added into specific proportion organic solvent, is stirred uniformly under certain temperature condition, forms uniform dispersion solution, the solution forms fine wire in the spinning beam body, and forms continuous filament after cooling and solidification, the spinning beam body in prior art is as shown in Figure 1 The spinning beam body 100 is provided with a spinning head 101, a single suction cover 102, a side blowing chamber 103 and a honeycomb plate 104, a support frame 105 is arranged below the spinning head 101, and a rectifier 106 is arranged on the support frame, in the spinning production process, under the action of high temperature and high pressure, the solution forms a sliver 107 after the spinning head 101, then the monomer attached to the sliver 107 out of the spinning head 101 is sucked away by the single suction cover 102 arranged on the front upper side of the spinning beam body 100, air in the side blowing chamber 103 at the back of the spinning beam body 100 blows to the sliver through the honeycomb plate 104, the high temperature sliver is cooled, finally, the sliver is oiled, drawn and wound into a filament.
[0003] Because the bottom of the spinning head is close to the side blowing chamber 103 in the spinning beam body, the heat preservation effect of the spinning head is poor, heat is easy to lose, etc., the temperature difference of the spinning head surface is large, and the product quality and production efficiency are affected. UTILITY MODEL CONTENTS
[0004] The utility model solves the technical problem, and provides a heat preservation device that effectively promotes spinning head temperature uniformity, which can improve the heat preservation performance of the spinning head.
[0005] The utility model is implemented as follows:
[0006] The utility model provides a heat preservation device that effectively promotes spinning head temperature uniformity, is arranged at the bottom of a spinning head, and comprises a bottom plate matched with the size of the spinning head, the bottom plate is provided with a via hole for the sliver to pass through, side plates are welded on the side edges of the bottom plate, the side plates are perpendicular to the bottom plate, the side plates and the bottom plate form a heat preservation chamber, and a heat preservation layer made of a heat preservation material is arranged in the heat preservation chamber.
[0007] Further, the heat preservation layer comprises a heat preservation cotton layer made of heat preservation cotton and a heat insulation layer made of ceramic fiber paper, and the heat insulation layer is arranged above the heat preservation cotton layer.
[0008] Further, the heat preservation device is locked on the bottom of the spinning head through bolts.
[0009] The utility model has the advantages of:
[0010] 1. The temperature uniformity of the spinneret plate surface is improved: the heat preservation cotton and ceramic fiber soft paper are used as the heat preservation and insulation materials, the heat preservation performance is improved obviously, the heat loss of the spinneret plate is slowed down, and the spinneret plate temperature is improved by 2.5 DEG C.
[0011] 2. The product uniformity is improved, the product strip dryness and strength index are improved, the strip dryness is reduced by 0.09%, the strength is improved by 0.17 CN / dtex, the 5% strength is improved by 0.96 CN, and the 10% strength is improved by 3.21 CN.
[0012] 3. The component replacement cycle is effectively prolonged, the appearance circle silk is abnormal, and the circle silk reduction rate is reduced by 0.21%.
[0013] 4. The device is connected and fixed with the box body by using screws and can be disassembled. BRIEF DESCRIPTION OF DRAWINGS
[0014] The utility model will be further described below with reference to the drawings and embodiments.
[0015] Figure 1 It is the structure schematic diagram of the spinning box in the prior art.
[0016] Figure 2 It is the specific embodiment schematic diagram of the heat preservation device of the utility model installed at the bottom of the spinneret plate.
[0017] Figure 3 It is the structure schematic diagram of the heat preservation device of the utility model.
[0018] Figure 4 It is the structure schematic diagram of the bottom plate of the utility model.
[0019] Explanation of reference numerals in the drawings:
[0020] 200, heat preservation device; 1, bottom plate; 11, via hole; 2, side plate; 3, heat preservation layer; 31, heat preservation cotton layer; 32, heat insulation layer; 4, spinneret plate. DETAILED DESCRIPTION
[0021] Please refer to Figures 2 to 4The utility model provides a kind of effectively promotes the temperature uniformity of spinneret heat preservation device 200, it is arranged at the bottom of spinneret 4, the heat preservation device 200 includes with the bottom plate 1 of matching the size of spinneret, bottom plate 1 is rectangular structure, the bottom plate 1 is equipped with via hole 11 for making thread to pass through, the side of bottom plate 1 is welded with side plate 2, side plate 2 is provided with four, the side plate 2 is perpendicular to bottom plate 1, the side plate 2 and bottom plate 1 form a heat preservation chamber, the heat preservation chamber is internally provided with heat preservation layer 3 made of heat preservation material. Via hole 11 is matched with the through-hole of heat preservation layer 3.
[0022] Specifically, the heat preservation layer 3 includes a heat preservation cotton layer 31 made of heat preservation cotton and a heat insulation layer 32 made of ceramic fiber paper, and the heat insulation layer 32 is arranged above the heat preservation cotton layer 31.
[0023] Specifically, the heat preservation device 200 is locked on the bottom of the spinneret by bolts. After the heat preservation device is installed at the bottom of the spinneret 4, the heat insulation layer is attached to the bottom of the spinneret.
[0024] As shown in Figure 2 and Figure 3 By arranging the heat preservation device at the bottom of the spinneret, the temperature uniformity of the spinneret surface is improved: the heat preservation cotton and the ceramic fiber soft paper are used as heat preservation and insulation materials, which significantly improves the heat preservation performance, slows down the heat loss of the spinneret, and increases the temperature of the spinneret by 2.5℃; the product uniformity is improved, the product evenness and strength index are improved, the evenness is reduced by 0.09%, the strength is increased by 0.17CN / dtex, the strength of the thread detection is increased by 0.96CN when stretched to 5%, and the strength value is increased by 3.21CN when stretched to 10%. Moreover, the device can also effectively prolong the component replacement cycle, the appearance of the yarn is abnormal, and the yarn reduction rate is reduced by 0.21%.
[0025] Although the specific embodiments of the utility model are described above, those skilled in the art should understand that the specific examples described are only illustrative, not for limiting the scope of the utility model, and equivalent modifications and changes made by those skilled in the art in accordance with the spirit of the utility model should be covered within the scope of protection of the claims of the utility model.
Claims
1. A heat preservation device for effectively improving the temperature uniformity of a spinneret, characterized in that: The insulation device is located at the bottom of the spinneret and includes a base plate that matches the size of the spinneret. The base plate has through holes for the filaments to pass through. Side plates are welded to the sides of the base plate and are perpendicular to the base plate. The side plates and the base plate form an insulation chamber, and an insulation layer made of insulation material is provided inside the insulation chamber.
2. The heat preservation device for effectively improving the temperature uniformity of the spinneret as described in claim 1, characterized in that: The insulation layer includes an insulation cotton layer made of insulation cotton material and a heat insulation layer made of ceramic fiber paper, with the heat insulation layer disposed on top of the insulation cotton layer.
3. The heat preservation device for effectively improving the temperature uniformity of the spinneret as described in claim 1, characterized in that: The insulation device is bolted to the bottom of the spinneret.