CN211734550U - Novel side blowing device for fine denier high-speed spinning of spun-bonded non-woven fabric - Google Patents
Novel side blowing device for fine denier high-speed spinning of spun-bonded non-woven fabric Download PDFInfo
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- CN211734550U CN211734550U CN202020202954.1U CN202020202954U CN211734550U CN 211734550 U CN211734550 U CN 211734550U CN 202020202954 U CN202020202954 U CN 202020202954U CN 211734550 U CN211734550 U CN 211734550U
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- 238000009987 spinning Methods 0.000 title claims abstract description 81
- 238000007664 blowing Methods 0.000 title claims abstract description 53
- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 36
- 239000000835 fiber Substances 0.000 claims abstract description 12
- 238000009826 distribution Methods 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000001816 cooling Methods 0.000 claims abstract description 7
- 238000004891 communication Methods 0.000 claims abstract description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 19
- 238000009413 insulation Methods 0.000 claims description 19
- 229910001220 stainless steel Inorganic materials 0.000 claims description 15
- 238000004321 preservation Methods 0.000 claims description 11
- 239000010935 stainless steel Substances 0.000 claims description 9
- 239000010425 asbestos Substances 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 229910052895 riebeckite Inorganic materials 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 230000001012 protector Effects 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 4
- 238000009792 diffusion process Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 4
- 241000264877 Hippospongia communis Species 0.000 description 16
- 102100027340 Slit homolog 2 protein Human genes 0.000 description 5
- 101710133576 Slit homolog 2 protein Proteins 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000010276 construction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
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- 239000002994 raw material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The utility model provides a novel cross air blowing device for fine denier high-speed spinning of spunbonded nonwoven, which has symmetrical left and right ends, each end comprises a side air blowing box and a spinning box body, and a space for cooling fiber is formed between the two spinning box bodies; the side blowing box adopts a wind distribution and guide structure and is provided with a porous plate and an L-shaped guide plate; the spinning box body adopts a wind-dividing rectifying structure, a plurality of layers of porous plates and honeycomb plates are arranged on the spinning box body, and a long slit pressure-building structure in the width direction is adopted at the communication position between the side blowing box and the spinning box body. The device ensures that the cooling air flow at the outlet of the side blowing box is uniformly distributed, the air pressure is stable and the spinning is stable. The method is suitable for producing the spun-bonded non-woven fabric with the filament number of less than 1.6dtex, the spinning speed of more than 2400m/min, the production speed of more than 600m/min, the spinning stability and the fiber fineness. The difficulty in operating the spinning box body and assembling and disassembling the porous plate is greatly reduced, the sealing is reliable, and the production and use cost is reduced.
Description
Technical Field
The utility model relates to a core component in the production process flow of spun-bonded non-woven fabric, namely a spun-bonded non-woven fabric side blowing box, in particular to a novel side blowing device for fine denier high-speed spinning of spun-bonded non-woven fabric.
Background
At present, for the existing spun-bonded non-woven fabric equipment, namely spun-bonded non-woven fabric production process equipment (including equipment imported from abroad) with wide width, high speed and long slit type air spinning, drafting and lapping, a common side blowing system cools the spun-bonded non-woven fabric with the filament number of more than 1.6dtex, the spinning speed of less than 2200m/min and the production speed of less than 500m/min are feasible; if the filament number of the spun-bonded non-woven fabric is less than 1.6dtex, the spinning speed is more than 2400m/min, and the production speed is more than 600m/min, the spinning stability and the consistency of fiber fineness are difficult to ensure, and some defects exist.
The prior art can not meet the production requirement of high-quality fine denier spun-bonded non-woven fabric, and is particularly shown in the following aspects:
1) the existing side blowing box structure of the spun-bonded non-woven fabric is not suitable for producing the spun-bonded non-woven fabric of fine denier fiber, and the deviation of the uniformity and the consistency of the air flow speed in the width direction of the product is large; the uniformity of the airflow temperature in the width direction of the product also varies.
2) The market competition of the coarse denier spun-bonded non-woven fabric product is strong, and the profit is low; can not meet the requirements of medical and sanitary materials.
3) The spun-bonded non-woven fabric is developed in the direction of fine denier, high yield (6500 holes/m of spinneret plate), high strength and low elongation, and a corresponding side blowing system is matched with the spun-bonded non-woven fabric.
SUMMERY OF THE UTILITY MODEL
The utility model provides a novel crossblow device of fine denier high-speed spinning of spunbonded nonwoven has solved more than 2400m/min, when production speed more than 600m/min, has realized the problem of the uniformity of spinning stability, fiber fineness, and its technical scheme is as follows:
a novel side blowing device for fine denier high-speed spinning of spunbonded nonwoven fabrics is characterized in that the left end and the right end of the device are symmetrical, each end of the device comprises a side blowing box and a spinning box body, the outside of each spinning box body is provided with the side blowing box connected with the spinning box body, and a space for cooling fibers sprayed by a spinneret plate is formed between the two spinning box bodies; the side blowing box adopts a wind distribution and guide structure and is provided with a porous plate and an L-shaped guide plate; the spinning box body adopts a wind-dividing rectifying structure, a plurality of layers of porous plates and honeycomb plates are arranged on the spinning box body, and a long slit pressure-building structure in the width direction is adopted at the communication position between the side blowing box and the spinning box body.
The entrance of the side blow box is provided with a first layer of porous plates, and a plurality of groups of guide plates which are arranged in front and at the back and have the same adjacent distance are arranged behind the first layer of porous plates.
The aperture of the first layer of porous plate is phi 4-5mm, and the aperture ratio is 46% -50%.
The spinning manifold is provided with three layers of porous plates, and the installation adopts a triangular opening structure.
The even gradual change diffusion structure of no step is designed into to box inner chamber runner, and the three-layer perforated plate includes second floor perforated plate, third layer perforated plate, fourth layer perforated plate in proper order from the air inlet side to the air-out side, and the aperture and the hole density of each layer perforated plate all reduce one by one, and the material of perforated plate is the corrosion resistant plate that 1.2 ~ 1.5mm is thick.
The aperture of the second layer porous plate is phi 3-4mm, and the aperture ratio is 30-40%; the aperture of the third layer porous plate is phi 2-3mm, and the aperture ratio is 30-40%; the aperture of the fourth layer porous plate is phi 1-2mm, and the aperture ratio is 24-30%.
The spinning box body comprises a framework, an inner side sealing plate and an outer side heat preservation and insulation plate, wherein the inner side sealing plate is arranged inside the framework, and the outer side heat preservation and insulation plate is arranged outside the framework; the corner of the spinning manifold is provided with a corner protector, the spinning manifold is fixedly connected with a guide rail beam through a guide rail supporting foot, and two ends of the guide rail beam are fixedly connected with an external frame.
Spinning manifold exit is provided with the honeycomb panel, the honeycomb panel comprises aluminum alloy honeycomb, stainless steel net, aluminum alloy frame, and the aluminum alloy honeycomb adopts regular hexagon water conservancy diversion hole, and draw ratio is 15: 1-10: 1; the stainless steel wire meshes are arranged on the inner surface and the outer surface of the aluminum alloy honeycomb, the periphery of each stainless steel wire mesh is fixed through an aluminum alloy frame and a pressing strip, and the aluminum alloy frame and the pressing strip are of a structure with the periphery clamped in a concave-convex mode.
The outside heat preservation and insulation board comprises a heat insulation layer, an asbestos rubber plate and a stainless steel plate, wherein after the heat insulation layer is sequentially covered by a foamed PVC heat insulation layer with the thickness of 30mm and the asbestos rubber plate with the thickness of 4mm, the outermost layer is formed by bending the stainless steel plate with the thickness of 1mm to serve as a panel.
The middle part of the device is provided with a quick locking structure for fixedly locking the two spinning boxes.
The novel cross air blowing device for fine denier high-speed spinning of the spunbonded nonwoven fabric has the beneficial effects that:
1. the cold air flow in the width direction is uniform and consistent, the temperature is consistent, the fiber cooling effect in the whole width direction is easier to be uniform and consistent, the phenomena of yarn breaking and yarn doubling are greatly reduced, and the quality of finished cloth is improved.
2. The flow velocity and the flow of the cold air flow are easy to control, the stability is good, and the method is suitable for the production requirement of the fine denier spun-bonded non-woven fabric with high quality and high yield.
3. Convenient operation, reliable sealing and reduced production and use cost.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a sectional view of the present invention;
FIG. 4 is a schematic structural view of a quick locking mechanism of the side blow box;
fig. 5 is a side schematic view of a side blow box quick lock mechanism.
Detailed Description
For the high-speed, high yield of adaptation spin melt non-woven fabrics, fine denier spinning needs, the utility model discloses develop novel the novel crossblow device of the high-speed spinning of novel fine denier of spunbonded non-woven fabrics, this novel crossblow device of the high-speed spinning of fine denier of spunbonded non-woven fabrics's structural description is as follows.
As shown in fig. 1-3, the novel fine-denier high-speed spinning side blowing device for the spunbonded nonwoven fabric is of a symmetrical structure with a left end and a right end, each side blowing box comprises a side blowing box and a spinning box body, the two spinning box bodies are symmetrical with each other with the outer side connected with the side blowing box, and a pressure-holding slit 2 is arranged at the communication position between the two spinning box bodies. The side blow boxes are positioned at the left and right sides of the device and/or the lower end of the spinning beam body.
The side blowing box is connected with the air inlet main pipe, and an air distributing and guiding structure is arranged in the side blowing box. The air inlet main pipe conveyed from the side surface is connected with the tee joint, is divided into two parts through the tee joint and respectively enters the side blowing boxes on the left side and the right side. When four side blowing boxes are arranged, a tee joint is added at the upper and lower positions of the air inlet side.
The air distribution and flow guide structure comprises a first layer of porous plates 1 and a flow guide plate 14 behind the first layer of porous plates, the first layer of porous plates 1 are arranged at the inlet of the side air blowing box, the aperture diameter of the first layer of porous plates 1 is 4mm, and the aperture density (the aperture ratio is about 48%); the rear of the first layer of porous plate 1 is a guide plate 14, the guide plate 14 is arranged at 6 positions from front to back, and the corresponding distances in the width direction are equal. The first layer of porous plate 1 is used for solving the problem that the airflow in the center of the pipeline is inconsistent with the airflow around the pipeline; the baffle 14 is to solve the problem that the air flow in the right-angle flow passage is easy to generate turbulent flow, and simultaneously reduce the resistance loss.
The air flows into a pressure stabilizing chamber 15 of the spinning manifold after flowing through a guide plate 14, a pressure retaining slit 2 which is a narrow slit air inlet is arranged at the width direction of an air flow inlet of the spinning manifold, the width of the slit is 120mm, and the length of the slit is 3450 mm; the pressure-building slit 2 is used for uniformly distributing airflow in the pipeline in the width direction and solving the problem that the airflow at the middle and two ends in the width direction is inconsistent.
The spinning manifold is a pressure stabilizing chamber 15 from an air inlet to an air outlet, the pressure stabilizing chamber 15 is provided with a pressure suppressing slit 2 communicated with a side blowing box, and a honeycomb plate 6 is arranged at the air outlet.
The air current that flows in from suppressing pressure slit 2 gets into the spinning manifold, sets up three air distribution perforated plates in the spinning manifold from the back to between the honeycomb panel of front exit, is 2 th layer, 3 rd layer, 4 th layer respectively according to the air current direction, is second layer perforated plate 3, third layer perforated plate 4, fourth layer perforated plate 5 in proper order, the aperture and the hole density (aperture ratio) diverse of each layer perforated plate. The aperture diameter phi of the second layer porous plate 3 is 3.5mm, and the aperture ratio is 36.73%; the aperture diameter phi of the third layer porous plate 4 is 2.5mm, and the aperture ratio is 35.45 percent; the aperture diameter phi of the fourth layer porous plate 5 is 1.5mm, and the aperture ratio is 28.44 percent.
The three perforated plates in the spinning box body are arranged in a triangular opening structure, so that the spinning box is convenient to assemble and disassemble; the porous plate is made of an austenitic stainless steel plate with the thickness of 1.2-1.5 mm. Furthermore, in order to facilitate the assembly and disassembly of each porous plate, the length multiplied by the width of the fourth layer of porous plates 5 close to the air outlet is larger, and the length multiplied by the width of the inner layer of second layer of porous plates 3 is smaller; in order to avoid sudden change of air flow among layers, a space for installing three porous plates in the box body is a pressure expansion structure with a gradually enlarged cross section from the air inlet to the air outlet.
The honeycomb plates 6 are arranged in two blocks and are symmetrically arranged along the central line between the two spinning manifolds. The honeycomb plates 6 are key parts of a side blowing system, and almost all the honeycomb plates consist of aluminum alloy honeycombs (regular hexagon flow guide holes with the length-diameter ratio of 12:1), stainless steel screens and aluminum alloy frames. The uniformity of the sizes of the flow guide holes and the meshes of the raw materials of the aluminum alloy honeycomb and the stainless steel wire mesh is one of the factors influencing the quality of finished products, and the design structure of an aluminum alloy frame is also important.
As shown in fig. 4 and 5, in order to facilitate production, operation and use, a quick locking mechanism 7 is developed, and the opening and closing operations of the spinning beam bodies and the side blowing beams at the left and right ends are simple and convenient, and the locking and sealing are reliable.
The quick locking mechanism 7 comprises pin bosses, pin shafts, a pull rod, hooks, rotating pins and a handle, wherein the first pin boss 21 and the second pin boss 23 are respectively installed on the box bodies on the left side and the right side, the first pin shaft 28 is fixed on the first pin boss 21, one end of the pull rod 22 is fixedly connected with the first pin shaft 28, the other end of the pull rod is in threaded connection with the hooks 27, and therefore the tensioning distance is adjustable through threads. The second pin shaft 26 is fixed on the second pin seat 23, one end of the handle 24 is fixedly connected with the second pin shaft 26, the handle 24 is provided with a rotating pin 25, and the other end of the hook 27 is connected with the handle 24 through the rotating pin 25. By adjusting the thread length of the pull rod 22 and the hook 27, the handle 24 is rotated to tighten the hook 27.
This patent the side-blowing device surface be provided with heat preservation insulation construction, the room temperature of spunbonded nonwoven production workshop is usually at 26 ~ 30 ℃, and the side-blowing cold wind air current temperature is generally controlled at 12 ~ 18 ℃. The side blowing device without heat insulation on the outer surface has the defects that the middle and the periphery of the temperature of the air flow in the side blowing device are different, the cooling effect on the strand silk is also different, and the fiber number after the drafting is not consistent; in addition, when the environment humidity is high or the side blowing device is temporarily stopped, condensed water is easily generated on the surface of the side blowing device, and normal startup production is influenced. The heat insulation layer 13 of the side blowing device is covered by a foamed PVC heat insulation layer with the thickness of 30mm and an asbestos rubber plate with the thickness of 4mm, and the outermost layer is formed by bending a stainless steel plate with the thickness of 1mm to form a panel.
In addition, the spinning box body is composed of a frame, an inner sealing plate, a middle heat preservation and insulation plate (heat preservation and insulation structure) and an outer decorating plate, the frame is formed by welding rectangular steel pipes, and the lap joint of the adjacent outer decorating plates is provided with a wrap angle 8 for preventing the thin plate from deforming and cracking. The corner of the spinning box body is provided with a corner protector 10, the corner protector is fixedly connected with a guide rail beam 11 through a guide rail supporting foot 9, and two ends of the guide rail beam 11 are fixedly connected with an external frame. And a pressure gauge is arranged on the outer side of the spinning manifold and used for detecting the pressure inside the manifold.
The utility model discloses can adapt to below the production monofilament fineness 1.6dtex, the spun-bonded non-woven fabrics of more than 2400m/min, production speed more than 600m/min of spinning speed.
The utility model has the characteristics of it is following:
1. the side blow box air inlet pipe is internally provided with an air distribution and flow guide structure: because the shunting action of the first porous plate small holes in the pipeline, the airflow in the pipeline is preliminarily divided equally and stabilized. And the air flow is guided by a plurality of L-shaped guide plates, and the air flow changes the direction and enters the slit pressure-building area.
2. The structure is suppressed to the long slit of broad width direction: the slit blocking pressure area is a long slit formed between two square pipes, so that the balance of the air flow pressure in the width direction of the box body after entering the box body is ensured, and the flow is consistent.
3. Three porous plate wind-dividing structures in the box body: the small holes uniformly distributed on the porous plate are changed along the airflow direction, the aperture diameter of the 2 nd layer porous plate is 3.5mm, and the aperture ratio is 36.73%; the aperture diameter of the 3 rd layer porous plate is 2.5mm, and the opening rate is 35.45 percent; the aperture diameter of the 4 th layer porous plate is 1.5mm, and the aperture ratio is 28.44 percent. The air flow in the box body is further equally divided and stabilized.
4. The runner does not have step uniform gradual change structure in the box: the flow channel in the box body is designed into a uniform gradual change structure, so that the turbulent flow phenomenon is avoided.
5. Honeycomb panel rectification structure of special structure: the aluminum alloy honeycomb structure is composed of an aluminum alloy honeycomb (regular hexagon diversion holes, the length-diameter ratio of which is 12:1), a stainless steel wire mesh, an aluminum alloy frame and a pressing strip. The steel wire mesh can be well flattened by adopting a frame and a pressing strip structure which are concave-convex clamped at the periphery, and the steel wire mesh can be prevented from being loosened in the using process.
6. The heat preservation and insulation structure of the outer surface of the side blowing box is as follows: the side blow box heat preservation insulating layer comprises a foaming PVC plate with the thickness of 30mm and an asbestos rubber plate with the thickness of 4mm, and the outer layer is formed by bending a stainless steel plate with the thickness of 1 mm. The intersection of three sides outside the spinning box body is protected by a corner protector made of rubber.
7. The quick locking structure of the spinning manifold: the pull rod and the hook are in threaded connection, and the tensioning distance is adjustable.
When the spun-bonded non-woven fabric is used, cold air sent from the high-pressure centrifugal fan flows through the main pipe and the air distribution tee joint and then respectively enters the side blowing boxes on the left side and the right side, and is blown out after passing through the air distribution flow guide structure in the side blowing boxes and the air distribution rectification structure in the spinning box body so as to cool fibers sprayed out of a spinneret plate, and the fibers are subjected to drafting, diffusion and lapping to obtain the spun-bonded non-woven fabric.
The utility model has the advantages that:
1. the cold air flow in the width direction is uniform and consistent, the temperature is consistent, the fiber cooling effect in the whole width direction is easier to be uniform and consistent, the phenomena of yarn breaking and yarn doubling are greatly reduced, and the quality of finished cloth is improved.
2. The flow velocity and the flow of the cold air flow are easy to control, the stability is good, and the method is suitable for the production requirement of the fine denier spun-bonded non-woven fabric with high quality and high yield.
3. Convenient operation, reliable sealing and reduced production and use cost.
Claims (10)
1. The utility model provides a novel crossblow device of fine denier high-speed spinning of spunbonded nonwoven which characterized in that: the device has symmetrical left and right ends, each end comprises a side blowing box and a spinning box body, the outside of the spinning box body is provided with the side blowing box connected with the spinning box body, and a space for cooling fibers sprayed by a spinneret plate is formed between the two spinning box bodies; the side blowing box adopts a wind distribution and guide structure and is provided with a porous plate and an L-shaped guide plate; the spinning box body adopts a wind-dividing rectifying structure, a plurality of layers of porous plates and honeycomb plates are arranged on the spinning box body, and a long slit pressure-building structure in the width direction is adopted at the communication position between the side blowing box and the spinning box body.
2. The spun-bonded non-woven fabric fine denier high-speed spinning novel side blowing device according to claim 1, characterized in that: the entrance of the side blow box is provided with a first layer of porous plates, and a plurality of groups of guide plates which are arranged in front and at the back and have the same adjacent distance are arranged behind the first layer of porous plates.
3. The spun-bonded non-woven fabric fine denier high-speed spinning novel side blowing device according to claim 1, characterized in that: the aperture of the first layer of porous plate is phi 4-5mm, and the aperture ratio is 46% -50%.
4. The spun-bonded non-woven fabric fine denier high-speed spinning novel side blowing device according to claim 1, characterized in that: the spinning manifold is provided with three layers of porous plates, and the installation adopts a triangular opening structure.
5. The spun-bonded non-woven fabric fine denier high-speed spinning novel side blowing device according to claim 4, characterized in that: the even gradual change diffusion structure of no step is designed into to box inner chamber runner, and the three-layer perforated plate includes second floor perforated plate, third layer perforated plate, fourth layer perforated plate in proper order from the air inlet side to the air-out side, and the aperture and the hole density of each layer perforated plate all reduce one by one, and the material of perforated plate is the corrosion resistant plate that 1.2 ~ 1.5mm is thick.
6. The spun-bonded non-woven fabric fine denier high-speed spinning novel side blowing device according to claim 4, characterized in that: the aperture of the second layer porous plate is phi 3-4mm, and the aperture ratio is 30-40%; the aperture of the third layer porous plate is phi 2-3mm, and the aperture ratio is 30-40%; the aperture of the fourth layer porous plate is phi 1-2mm, and the aperture ratio is 24-30%.
7. The spun-bonded non-woven fabric fine denier high-speed spinning novel side blowing device according to claim 1, characterized in that: the spinning box body comprises a framework, an inner side sealing plate and an outer side heat preservation and insulation plate, wherein the inner side sealing plate is arranged inside the framework, and the outer side heat preservation and insulation plate is arranged outside the framework; the corner of the spinning manifold is provided with a corner protector, the spinning manifold is fixedly connected with a guide rail beam through a guide rail supporting foot, and two ends of the guide rail beam are fixedly connected with an external frame.
8. The spun-bonded non-woven fabric fine denier high-speed spinning novel side blowing device according to claim 1, characterized in that: spinning manifold exit is provided with the honeycomb panel, the honeycomb panel comprises aluminum alloy honeycomb, stainless steel net, aluminum alloy frame, and the aluminum alloy honeycomb adopts regular hexagon water conservancy diversion hole, and draw ratio is 15: 1-10: 1; the stainless steel wire meshes are arranged on the inner surface and the outer surface of the aluminum alloy honeycomb, the periphery of each stainless steel wire mesh is fixed through an aluminum alloy frame and a pressing strip, and the aluminum alloy frame and the pressing strip are of a structure with the periphery clamped in a concave-convex mode.
9. The spun-bonded non-woven fabric fine denier high-speed spinning novel side blowing device according to claim 7, characterized in that: the outside heat preservation and insulation board comprises a heat insulation layer, an asbestos rubber plate and a stainless steel plate, wherein after the heat insulation layer is sequentially covered by a foamed PVC heat insulation layer with the thickness of 30mm and the asbestos rubber plate with the thickness of 4mm, the outermost layer is formed by bending the stainless steel plate with the thickness of 1mm to serve as a panel.
10. The spun-bonded non-woven fabric fine denier high-speed spinning novel side blowing device according to claim 1, characterized in that: the middle part of the device is provided with a quick locking structure for fixedly locking the two spinning boxes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020202954.1U CN211734550U (en) | 2020-02-24 | 2020-02-24 | Novel side blowing device for fine denier high-speed spinning of spun-bonded non-woven fabric |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020202954.1U CN211734550U (en) | 2020-02-24 | 2020-02-24 | Novel side blowing device for fine denier high-speed spinning of spun-bonded non-woven fabric |
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| CN211734550U true CN211734550U (en) | 2020-10-23 |
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| CN202020202954.1U Ceased CN211734550U (en) | 2020-02-24 | 2020-02-24 | Novel side blowing device for fine denier high-speed spinning of spun-bonded non-woven fabric |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111172602A (en) * | 2020-02-24 | 2020-05-19 | 宏大研究院有限公司 | Novel side blowing device for fine denier high-speed spinning of spun-bonded non-woven fabric |
| IT202100022190A1 (en) * | 2021-08-23 | 2023-02-23 | Ramina S R L | PLANT FOR THE PRODUCTION OF NON-WOVEN FABRIC |
-
2020
- 2020-02-24 CN CN202020202954.1U patent/CN211734550U/en not_active Ceased
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111172602A (en) * | 2020-02-24 | 2020-05-19 | 宏大研究院有限公司 | Novel side blowing device for fine denier high-speed spinning of spun-bonded non-woven fabric |
| IT202100022190A1 (en) * | 2021-08-23 | 2023-02-23 | Ramina S R L | PLANT FOR THE PRODUCTION OF NON-WOVEN FABRIC |
| EP4141152A1 (en) | 2021-08-23 | 2023-03-01 | Ramina S.R.L. | Plant for the production of non-woven fabric |
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