CN211814728U - Bellows equipment of even minute wind - Google Patents
Bellows equipment of even minute wind Download PDFInfo
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- CN211814728U CN211814728U CN202020302155.1U CN202020302155U CN211814728U CN 211814728 U CN211814728 U CN 211814728U CN 202020302155 U CN202020302155 U CN 202020302155U CN 211814728 U CN211814728 U CN 211814728U
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- 238000009826 distribution Methods 0.000 claims description 44
- 230000007704 transition Effects 0.000 claims description 42
- 238000007664 blowing Methods 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000009987 spinning Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The utility model provides an even wind-splitting bellows equipment, includes the side-blown box, is equipped with the wind chamber in the side-blown box, and the air intake of side-blown box is located wind chamber front end, and the air outlet is located wind chamber upper end, and wind intracavity is equipped with the branch wind structure of a plurality of even branches wind, divides the wind structure to span the left and right sides wall in wind chamber, is equipped with the clearance that highly differs between a plurality of branch wind structure lower extremes and the wind intracavity bottom surface. The advantages are that: data transmission and equipment parameter summarization are remotely carried out through intelligent control, and debugging and fault removal are facilitated.
Description
Technical Field
The invention relates to equipment for producing non-woven materials, in particular to air box equipment which can effectively induce airflow to turn and uniformly distribute flowing uniform air in a large-width direction.
Background
The domestic spunbonded nonwoven production line mainly adopts a cooling process of double-sided cooling and side blowing to cool the spinning, and the process mainly plays a key role in the fineness, strength, toughness and the like of the spinning.
Because the single cold air box adopts one side air inlet, after the width is increased, the cold air flow speed uniformity along the width direction is deteriorated to induce spinning shake, thereby seriously influencing the product uniformity. The existing solution mainly adopts a folded thin plate for rectification, and compared with the structure without any flow guide, the flow guide of the folded thin plate has obvious improvement effect. However, because the air flow viscosity is accumulated, the outlet flow of the folding plates is gradually reduced according to the air flow direction, and simultaneously, vortex is caused between the folding plates and even obvious backflow is formed on the suction surface of the folding plates, and the vortex is also one of the main 'fierce' causing flow fluctuation. Therefore, the method of adopting the folded plate has certain improvement effect on the uniformity of the air outlet, but has obvious bottleneck.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a wind box device which is applied to equipment for producing non-woven materials, can effectively induce airflow to turn and uniformly distribute flowing uniform air distribution in a large-width direction.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides an even wind-splitting bellows equipment, includes the side-blown box, is equipped with the wind chamber in the side-blown box, and wind chamber intercommunication air intake and air outlet are equipped with the branch wind structure of a plurality of even branches wind in the wind chamber, divide the wind structure to span the left and right sides wall in wind chamber, are equipped with the clearance between a plurality of branch wind structure lower extremes and the wind intracavity bottom surface.
Furthermore, the air distribution structure is an air distribution plate, the air distribution plate comprises arc air distribution plates, and the arc lengths and the radii of the arc air distribution plates are different.
Furthermore, a first arc-shaped transition end plate is arranged at the rear end of the intersection of extension lines of the air inlet and the air outlet of the air cavity in the side-blowing box body, and a second arc-shaped transition end plate is arranged at the front end of the intersection of extension lines of the air inlet and the air outlet.
Furthermore, a tangent line at one end of the arc-shaped air distribution plate is parallel to the inlet airflow, the other end of the arc-shaped air distribution plate leads to an air outlet of the side blowing box body to guide the airflow, and a tangent line at the other end of the arc-shaped air distribution plate is vertical to the width of the application equipment; one end tangent of the first circular arc transition end plate and one end tangent of the second circular arc transition end plate are parallel to the inlet airflow, and the other end tangent is perpendicular to the width of the application equipment.
Furthermore, the arc-shaped air distribution plates are sequentially arranged from the second arc-shaped transition end plate to the first arc-shaped transition end plate, and the heights of gaps between the lower ends of the arc-shaped air distribution plates and the inner bottom surface of the air cavity are gradually reduced.
Furthermore, the air inlets of the side blowing box body are positioned at the front end and the rear end of the air cavity, two first arc-shaped transition end plates crossing the air cavity are arranged in the center of the air cavity, the circle center of the first arc-shaped transition end plate close to the front end faces the front end of the air cavity, and the circle center of the first arc-shaped transition end plate close to the rear end faces the rear end of the air cavity.
Furthermore, the air outlet is rectangular and comprises a plurality of cavities, and each cavity corresponds to one arc-shaped air distribution plate.
Furthermore, the first circular arc transition end plate, the second circular arc transition end plate and the left side wall and the right side wall of the air cavity form local sealing.
Furthermore, the air distribution plate further comprises a straight plate, one end of the straight plate is connected with the other end of the arc air distribution plate, and one end of the straight plate is parallel to the outlet airflow and is perpendicular to the width direction of the application equipment.
The invention has the beneficial effects that: the problems of uneven airflow caused by increased width and even oscillation caused by falling of local vortex are effectively solved, and the method has an obvious effect on stable spinning; the technology of the air distribution structure has obvious effect through fluid dynamics simulation, and the uniformity of the air flow at the outlet is improved by more than 24% compared with the existing air distribution structure.
Drawings
FIG. 1 is a first cross-sectional view of the side blow box of the present invention.
FIG. 2 is a second cross-sectional view of the side blow box of the present invention.
FIG. 3 is a third cross-sectional view of the side blow box of the present invention.
Fig. 4 is a schematic view of the blow box body of the two air inlets.
Fig. 5 is a front view of the cold air device consisting of two side blow boxes.
Fig. 6 is a schematic view of a cold air device consisting of two side blowing boxes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 6 in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
Referring to the attached drawings 1-3, the air box equipment capable of uniformly distributing air comprises a side-blowing box body 8, an air cavity 7 is arranged in the side-blowing box body 8, an air inlet 3 of the side-blowing box body is located at the front end of the air cavity 7, an air outlet 3 is located at the upper end of the air cavity 7, a plurality of air distribution structures 4 capable of uniformly distributing air are arranged in the air cavity 7, the air distribution structures 4 stretch across the left side wall and the right side wall of the air cavity, and gaps with different heights are arranged between the lower ends of the air distribution structures 4 and the inner bottom surface of the air cavity.
The utility model provides an even wind-splitting bellows equipment, divides the wind structure to be the wind board, divides the wind board to include that the arc divides the wind board 4.1, and the arc length and the radius of a plurality of arcs divide the wind board 4.1 are different, and the interval between a plurality of arcs divides the wind board is different.
The utility model provides an even bellows equipment that divides wind, the interior wind chamber of side-blown box is equipped with first convex transition end plate 5 in the extension line intersection rear end of air intake 1 and air outlet 3, is equipped with second convex transition end plate 2 in the extension line intersection front end of air intake and air outlet.
A wind box device for uniformly distributing wind is characterized in that a tangent line at one end of an arc-shaped wind distribution plate is parallel to inlet airflow, the other end of the arc-shaped wind distribution plate is communicated with an air outlet of a side blowing box body to guide the airflow, and the tangent line at the other end of the arc-shaped wind distribution plate is perpendicular to the width of application equipment; one end tangent of the first circular arc transition end plate and one end tangent of the second circular arc transition end plate are parallel to the inlet airflow, and the other end tangent is perpendicular to the width of the application equipment.
A plurality of arc-shaped air distribution plates are sequentially arranged from a second arc-shaped transition end plate to a first arc-shaped transition end plate, and the heights of gaps between the lower ends of the arc-shaped air distribution plates and the inner bottom surface of an air cavity are gradually reduced.
The utility model provides an air box equipment of evenly dividing wind, the air intake of side-blown wind box is located wind chamber front end and rear end, is located wind chamber center and is equipped with two first convex transition end plates that span wind chamber, and the first convex transition end plate centre of a circle that leans on the front faces wind chamber front end, and the first convex transition end plate centre of a circle that leans on the back faces wind chamber rear end.
An air box device capable of uniformly distributing air is characterized in that an air outlet is rectangular and is composed of a plurality of cavities, and each cavity corresponds to an arc-shaped air distribution plate. A partition plate is arranged between the adjacent chambers.
A first circular arc-shaped transition end plate, a second circular arc-shaped transition end plate and the left side wall and the right side wall of an air cavity form local sealing.
The utility model provides an even air-distributing bellows equipment, divides the aerofoil still includes straight plate 4.2, and the arc divides the aerofoil other end is connected to straight plate one end, and straight plate one end is parallel and perpendicular to application apparatus width direction with the export air current.
The high-speed airflow has inertia and viscosity action, and after flowing in from the air inlet, the dynamic pressure and static pressure are converted with each other along with the viscosity action, and the closer to the air outlet, the smaller the viscosity loss of the airflow is, so the airflow is easy to flow out. In order to achieve a constant flow rate of the air flow in the width direction, it is necessary to achieve the desired distribution between the air dividing plates by increasing the viscous resistance near the air intake or decreasing the viscous resistance at the rear end. Because of the inertia effect of the air flow, the main flow has impact effect on the on-way resistance element, the energy consumption loss is easily increased, and the air flow turbulence is deteriorated, so that the arc-shaped end plate and the guide plate are adopted, the inlet impact angle and the outlet attack angle of the splitter plate are reduced, and the uniform flow of the outlet along the width direction is realized
Example 2, FIG. 3 shows a uniform wind distribution bellows apparatus, R5 is 2R1 or more, rn +1> rn; d4 is more than or equal to 2D1, dn +1 is more than dn, wherein R1 and R5 respectively represent the arc radiuses of the second arc-shaped transition end plate 2 and the first arc-shaped transition end plate 5; rn represents the arc radius of the air distribution plate, wherein n is a natural number which is arranged from the second arc-shaped transition end plate 2 to the first arc-shaped transition end plate 5 and has the minimum value of 1; d1, D5 and dn show that under the arrangement angle shown in figure 3, the gap between one end of the adjacent arc air distribution plate and the inner bottom surface of the air cavity or the vertical distance between one end of the arc air distribution plate and the adjacent second arc transition end plate 2 or the adjacent first arc transition end plate 5, R5 is more than or equal to 2R1, vortex induced by high-speed airflow can be effectively weakened, impact loss is reduced, and D4 is more than or equal to 2D1, so that the uniformity of the flow of the air outlet close to two sides can be improved by 55%.
The gap is the vertical distance between one end of the adjacent arc wind distribution plate and the bottom surface in the wind cavity.
Example 4, figures 5-6, an application of a uniform air distribution bellows apparatus, two side blowing bellows bodies forming a cold air device, the outlets of the two side blowing bellows bodies being arranged opposite to each other.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (9)
1. The utility model provides an even bellows equipment that divides wind, includes the side blow box, is equipped with the wind chamber in the side blow box, and wind chamber intercommunication air intake and air outlet, its characterized in that: a plurality of wind distributing structures which evenly distribute wind are arranged in the wind cavity, the wind distributing structures stretch across the left side wall and the right side wall of the wind cavity, and gaps are arranged between the lower ends of the wind distributing structures and the inner bottom surface of the wind cavity.
2. A windbox apparatus for uniform division of wind according to claim 1 wherein: the air distribution structure is an air distribution plate, the air distribution plate comprises arc air distribution plates, and the arc lengths and the radii of the arc air distribution plates are different.
3. A windbox apparatus for uniform division of wind according to claim 2 wherein: a first arc-shaped transition end plate is arranged at the rear end of the intersection of extension lines of the air inlet and the air outlet of an air cavity in the side blowing box body, and a second arc-shaped transition end plate is arranged at the front end of the intersection of the extension lines of the air inlet and the air outlet.
4. A windbox apparatus for uniform division of wind according to claim 3 wherein: the tangent line of one end of the arc-shaped air distribution plate is parallel to the inlet airflow, the other end of the arc-shaped air distribution plate leads to the air outlet of the side blowing box body to guide the airflow, and the tangent line of the other end of the arc-shaped air distribution plate is perpendicular to the width of the application equipment; one end tangent of the first circular arc transition end plate and one end tangent of the second circular arc transition end plate are parallel to the inlet airflow, and the other end tangent is perpendicular to the width of the application equipment.
5. A windbox apparatus according to claim 4 wherein: the arc-shaped air distribution plates are sequentially arranged from the second arc-shaped transition end plate to the first arc-shaped transition end plate, and the heights of gaps between the lower ends of the arc-shaped air distribution plates and the inner bottom surface of the air cavity are gradually reduced.
6. A windbox apparatus for uniform division of wind according to claim 3 wherein: the air inlets of the side blowing box body are positioned at the front end and the rear end of the air cavity, two first arc-shaped transition end plates crossing the air cavity are arranged in the center of the air cavity, the circle center of the first arc-shaped transition end plate close to the front end faces the front end of the air cavity, and the circle center of the first arc-shaped transition end plate close to the rear end faces the rear end of the air cavity.
7. A windbox apparatus for uniform division of wind according to claim 2 wherein: the air outlet is rectangular and comprises a plurality of chambers, and each chamber corresponds to one arc air distributing plate.
8. A windbox apparatus for uniform division of wind according to claim 3 wherein: the first circular arc transition end plate, the second circular arc transition end plate and the left side wall and the right side wall of the air cavity form local sealing.
9. A windbox apparatus for uniform division of wind according to claim 3 wherein: the air distribution plate further comprises a straight plate, one end of the straight plate is connected with the other end of the arc air distribution plate, and one end of the straight plate is parallel to the outlet airflow and perpendicular to the width direction of the application equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020302155.1U CN211814728U (en) | 2020-03-12 | 2020-03-12 | Bellows equipment of even minute wind |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020302155.1U CN211814728U (en) | 2020-03-12 | 2020-03-12 | Bellows equipment of even minute wind |
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| Publication Number | Publication Date |
|---|---|
| CN211814728U true CN211814728U (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020302155.1U Active CN211814728U (en) | 2020-03-12 | 2020-03-12 | Bellows equipment of even minute wind |
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| CN (1) | CN211814728U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111188096A (en) * | 2020-03-12 | 2020-05-22 | 浙江朝隆纺织机械股份有限公司 | Air box equipment capable of uniformly distributing air and application thereof |
-
2020
- 2020-03-12 CN CN202020302155.1U patent/CN211814728U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111188096A (en) * | 2020-03-12 | 2020-05-22 | 浙江朝隆纺织机械股份有限公司 | Air box equipment capable of uniformly distributing air and application thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325000 No. 62, Qin Feng Road, Ouhai Xiyan Industrial Park, Wenzhou, Zhejiang Patentee after: Zhejiang Chaolong Textile Machinery Co.,Ltd. Address before: 325000 No. 62, Qin Feng Road, Ouhai Xiyan Industrial Park, Wenzhou, Zhejiang Patentee before: ZHEJIANG CL TEXTILE MACHINERY Co.,Ltd. |
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| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: No. 39, Qinfeng Road, Xianyan Street, Ouhai District, Wenzhou City, Zhejiang Province, 325000 Patentee after: Zhejiang Chaolong Textile Machinery Co.,Ltd. Address before: 325000 No. 62, Qin Feng Road, Ouhai Xiyan Industrial Park, Wenzhou, Zhejiang Patentee before: Zhejiang Chaolong Textile Machinery Co.,Ltd. |