CN212119106U

CN212119106U - Defoaming device

Info

Publication number: CN212119106U
Application number: CN201922281361.9U
Authority: CN
Inventors: 林昶
Original assignee: Yungu Guan Technology Co Ltd
Current assignee: Yungu Guan Technology Co Ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-12-11
Anticipated expiration: 2029-12-18

Abstract

The utility model relates to a deaeration device, this deaeration device include the barrel, and the barrel is inside to be provided with two sections at least fluid circulation districts along the fluid flow direction, wherein, is formed with a plurality of spirals in every section fluid circulation district and extends and the fluid passage of mutual spaced, sets up a fluid flow platform that supplies the fluid circulation between two arbitrary fluid circulation districts. The utility model provides a defoaming device, through set up a plurality of heliciform fluid passages that are in every section fluid circulation district, when the fluid shunts, prolong fluid passage's length, make the fluid release the bubble that wherein contains at the flow in-process, and simultaneously, through set up the fluid flow platform in adjacent two sections fluid circulation districts, change the fluid flow direction, and increase the area that the fluid spreads out, and then the release of better promotion bubble, thereby make the bubble release that wherein contains under the condition of liquid continuous flow, improve defoaming efficiency and deaeration effect.

Description

Defoaming device

Technical Field

The utility model relates to a gas-liquid separation technical field, concretely relates to deaeration device.

Background

In the process of manufacturing a flexible substrate of a flexible display device, one of important components of the flexible substrate is a Polyimide (PI) film, and in order to obtain the PI film, a PI glue solution is coated on glass through a coating process, and then the glass is subjected to a high-temperature curing treatment.

However, the PI glue solution often contains a large amount of bubbles, and in order to ensure the quality of the PI film and avoid the influence of a poor PI film on the flexible substrate, the bubbles in the PI glue solution need to be removed before the PI glue solution is coated on the glass.

In order to remove air bubbles from the colloidal solution in the related art, the colloidal solution is usually placed in a vacuum chamber and stirred. During the stirring process, the bubbles in the colloidal solution float naturally and then break and disappear. However, the method requires about 8 hours for removing bubbles, which is time-consuming and inefficient.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model discloses the technical problem that will solve lies in the problem that the deaeration effect of deaeration device is poor and efficient among the prior art.

Therefore, the utility model provides a deaeration device, it includes the barrel, the barrel is inside to be provided with two sections at least fluid circulation districts along the fluid flow direction, wherein, at every section the fluid circulation district is formed with a plurality of spirals and extends and fluid passage at interval each other, sets up a fluid flow platform that supplies the fluid circulation between arbitrary two fluid circulation districts.

Preferably, each segment of the fluid flow-through region has a hollow annular structure in which a plurality of the fluid passages are distributed.

Preferably, the inner diameters of the annular structures of any two adjacent fluid flow-through zones are equal.

Preferably, each of the fluid flow platforms is disposed in spaced relation to an inner wall of the barrel; and an annular shielding part is arranged between the fluid flowing platform and the fluid flowing area at the upstream of the fluid flowing platform, the annular shielding part is fixed on the inner wall of the cylinder body, and the radial width of the annular shielding part is greater than the gap between the fluid flowing platform and the inner wall of the cylinder body.

Preferably, the annular barrier is provided both upstream and downstream of the fluid flow platform, the annular barrier having a radial width greater than the gap between the fluid flow platform and the interior of the barrel.

Preferably, in any two of said fluid flow-through zones, the inlet radial diameter of the fluid passage in the downstream fluid flow-through zone is smaller than the outlet radial diameter of the fluid passage in the upstream fluid flow-through zone.

Preferably, between any two of said fluid flow-through zones, the number of fluid passages in the downstream fluid flow-through zone is greater than or equal to the number of fluid passages in the upstream fluid flow-through zone.

Preferably, each of the fluid flow platforms is rotatably disposed about the axis of the barrel.

Preferably, the cartridge is rotatably disposed about its axis against the fluid flow platform.

Preferably, an exhaust port is arranged at the top of the cylinder body and connected with an external air extraction device.

1. The utility model provides a defoaming device, through set up a plurality of heliciform fluid passages that are in every section fluid circulation district, when the fluid shunts, prolong fluid passage's length, utilize gravity and inertia effect to make the fluid release the bubble that wherein contains at the flow in-process, and simultaneously, through set up the fluid flow platform in adjacent two sections fluid circulation districts, change the fluid flow direction, and increase the area that the fluid spreads out, and then the release of better promotion bubble, thereby make the bubble release that wherein contains under the condition of liquid continuous flow, improve defoaming efficiency and deaeration effect.

2. The utility model provides a defoaming device, through making every section fluid circulation district has the loop configuration, forms the cavity that the bubble rises at the middle part of fluid circulation district to the bubble that fluid that flows released is discharged fast on fluid flow platform.

3. The utility model provides a defoaming device, through making each fluid flow platform and the inner wall clearance setting of barrel, so that fluid flows from this clearance, the flow volume of restriction liquid promotes the bubble to deviate from; meanwhile, the annular shielding part is arranged to shield the fluid, so that the fluid is prevented from directly flowing out from the gap at the periphery of the fluid flowing platform, and flows down from the gap after the fluid flows on the fluid flowing platform to release bubbles.

4. The utility model provides a deaeration device is less than the fluid passage's that is arranged in the fluid circulation district of upper reaches export radial diameter through the entry radial diameter that makes the fluid passage that is arranged in the fluid circulation district of low reaches, carries out the current-limiting to the fluid, and then makes the release of bubble in the fluid that gets into low reaches fluid circulation district.

5. The utility model provides a defoaming device, through make the quantity that is arranged in the fluid circulation district of low reaches fluid passage be more than or equal to the quantity that is arranged in the fluid circulation district of upper reaches trip fluid, the dispersion fluid, and then impel the release of getting into the bubble in the fluid in low reaches fluid circulation district.

6. The utility model provides a defoaming device, through making every fluid flow platform wind the axial rotatable setting of barrel utilizes fluid flow platform's rotation to exert energy to the fluid that flows on it, makes the bubble release in the fluid.

7. The utility model provides a defoaming device, through making the barrel around the axial rotatable setting of barrel, utilize the rotation of barrel to exert energy to the fluid that flows in fluid passage, impel the bubble release in the fluid; meanwhile, the rotating direction of the fluid flowing platform is set to be opposite to the rotating direction of the cylinder, so that the flowing direction of the fluid on the fluid channel and the fluid flowing platform is changed, and the bubbles in the fluid are promoted to be released.

8. The utility model provides a defoaming device sets up the exhaust hole that links to each other with air exhaust device through the top at the barrel, the quick discharge of the bubble of being convenient for on the one hand, and on the other hand can control the inside pressure of barrel for the barrel is in the low pressure state, so that build the environment that more is fit for the bubble release.

Drawings

Fig. 1 is a schematic cross-sectional view of a defoaming device according to an embodiment of the present invention;

fig. 2 is a schematic top-down sectional view of a defoaming device in an embodiment of the present invention;

fig. 3 is a schematic view of a bottom-up structure of a defoaming device according to an embodiment of the present invention;

fig. 4 is a schematic view illustrating a rotation relationship between a cylinder and a fluid flowing platform of the debubbling apparatus according to an embodiment of the present invention.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

One or more embodiments of the present invention will be described in detail with reference to the accompanying drawings, in which elements such as shapes, sizes, proportions, angles, and numbers of elements are merely examples, and in different embodiments, the same or corresponding elements may be shown by the same reference numerals, and repeated descriptions thereof will be omitted.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Where the terms "comprising," "having," and "including" are used herein, another element may be added unless an explicit limitation is used, such as "only," "consisting of … …," etc. Unless mentioned to the contrary, terms in the singular may include the plural and are not to be construed as being one in number.

Fig. 1 is a schematic sectional view of a defoaming device according to an embodiment of the present invention. For the purpose of illustration, the drawings show only the structures associated with embodiments of the invention.

Referring to fig. 1, a debubbling apparatus according to an embodiment of the present application includes a cylinder 1, two sections of fluid flowing regions 11 are disposed inside the cylinder 1 along a fluid flowing direction, wherein a plurality of fluid channels 12 extending spirally and spaced from each other are formed in each section of the fluid flowing region 11, and a fluid flowing platform 2 for fluid flowing is disposed between any two fluid flowing regions. Fig. 1 is a schematic diagram, and the debubbling apparatus is not limited thereto, and in another embodiment, the interior of the cylinder 1 may be provided with a plurality of stages of fluid flowing zones 11, such as three stages, four stages or five stages, along the fluid flowing direction.

The utility model provides a defoaming device, through set up a plurality of heliciform fluid passages that are in every section fluid circulation district, when the fluid shunts, prolong fluid passage's length, make the fluid release the bubble that wherein contains at the flow in-process, and simultaneously, through set up the fluid flow platform in adjacent two sections fluid circulation districts, change the fluid flow direction, and increase the area that the fluid spreads out, and then the release of better promotion bubble, thereby make the bubble release that wherein contains under the condition of liquid continuous flow, improve defoaming efficiency and deaeration effect.

Referring to fig. 2, in this embodiment, each segment of the fluid flow-through area 11 has a hollow annular structure in which a plurality of the fluid passages 12 are distributed, preferably, a plurality of the fluid passages 12 are uniformly distributed in each annular structure, inlets of the plurality of the fluid passages 12 are in the same plane, and outlets are also in another same plane. In this embodiment, on the plane of the fluid flow platform 2, the projections of the two adjacent segments of the fluid flow area 11 are overlapped.

Referring again to fig. 1, in this embodiment, each of the fluid flow platforms 2 is disposed in a gap with the inner wall of the cylinder 1; and a first annular curtain 31 is provided between the fluid flow platform 2 and the fluid flow area 11 upstream thereof, and a second annular curtain 32 is provided between the fluid flow platform 2 and the fluid flow area 11 downstream thereof. The annular shielding part is fixed on the inner wall of the cylinder body, and the radial width of the annular shielding part is larger than the gap between the fluid flowing platform 2 and the inner wall of the cylinder body 1. The utility model discloses in, the purpose that sets up annular shielding portion is the direction of flow that changes the fluid, avoids the fluid to flow down along the clearance is direct, according to this purpose set up annular shielding portion can, consider actually quote, the internal diameter of this annular shielding portion is less than the radial distance between the inner wall of the ring structure of barrel inner wall and fluid circulation district. Fig. 1 is a schematic diagram, the structure of the defoaming device is not limited, and in another embodiment, only the first annular shielding portion 31 located between the fluid flow platform 2 and the upstream fluid circulation zone 11 may be provided, and the second annular shielding portion 31 may not be provided.

The utility model discloses in, radial distance, radial diameter are the length of perpendicular to axial direction.

The utility model provides a defoaming device, through making each fluid flow platform and the inner wall clearance setting of barrel, so that fluid flows from this clearance, the flow volume of restriction liquid promotes the bubble to deviate from; meanwhile, the fluid is prevented from directly flowing out from the gap at the periphery of the fluid flowing platform by arranging the gap annular shielding part, and the fluid flows down from the gap after flowing on the fluid flowing platform and releasing bubbles.

The above embodiments are merely exemplary embodiments, and when a defoaming device is actually manufactured, the structure of the defoaming device may be adjusted according to actual conditions, for example, the sizes of the annular structures of two adjacent sections of the fluid circulation zones may be the same or different; the structure of the fluid flow platform between two adjacent sections of the fluid flow areas can also be changed, as long as the fluid flowing down from the upstream fluid flow area can enter the downstream fluid flow area after passing through the fluid flow platform.

In this embodiment, the top of the cylinder 1 is provided with an exhaust port (not shown), and the exhaust port is connected with an external air extraction device. The utility model provides a defoaming device sets up the exhaust hole that links to each other with air exhaust device through the top at the barrel, the quick discharge of the bubble of being convenient for on the one hand, and on the other hand can control the inside pressure of barrel for the barrel is in the low pressure state, so that build the environment that more is fit for the bubble release.

In this embodiment, the bottom of the cylinder 1 is provided with a fluid outlet, which is connected to an external fluid collection device. So as to continuously collect the defoamed fluid.

In this embodiment, the fluid may be any substance that may contain bubbles, such as PI gel. Through the utility model discloses the PI that the deaeration device deaeration was handled glues bubble content and is few, and then is favorable to preparing the PI membrane of optimizing to prepare the flexible substrate that the performance is excellent.

In this embodiment, a temperature control unit with a fluid channel 12 is further disposed in each fluid circulation zone 11 to avoid unnecessary solidification of the colloid caused by heating similar to PI glue solution during stirring.

Fig. 2 is a schematic top-down view of a defoaming device according to an embodiment of the present invention; fig. 3 is a schematic view of a bottom-up structure of a defoaming device according to an embodiment of the present invention; the relationship of the upstream located fluid flow region 11 to the fluid flow platform 2 can be seen in figure 2 and the relationship of the downstream located fluid flow region 11 to the fluid flow platform 2 can be seen in figure 3. For the purpose of illustration, the drawings show only the structures associated with embodiments of the invention.

The basic structure of the debubbling device in this embodiment is the same as that of the previous embodiment, and comprises a cylinder 1, two sections of fluid flowing areas 11 are arranged in the cylinder 1 along the fluid flowing direction, wherein a plurality of fluid channels 12 which extend spirally and are spaced are formed in each section of the fluid flowing area 11, and a fluid flowing platform 2 for fluid flowing is arranged between any two fluid flowing areas.

In this embodiment, each segment of the fluid circulation zone 11 in the cylinder 1 has a hollow annular structure, and a plurality of the fluid passages 12 are distributed in the annular structure, referring to fig. 2 and 3, fig. 2 is a schematic view of the matching structure of the upstream fluid circulation zone 11 and the fluid flow platform 2; FIG. 3 is a schematic illustration of the mating configuration of the downstream fluid flow area 11 and the fluid flow platform 2; as can be seen from fig. 2 and 3, the inlet diameter of the fluid passage 12 in the downstream fluid flow-through zone 11 is smaller than the outlet diameter of the fluid passage 12 in the upstream fluid flow-through zone 11. It can also be seen that in the plane of the fluid flow platform 2, the projections of the upstream fluid flow region 11 and the downstream fluid flow region 11 overlap the projection of the fluid flow platform 2.

In this embodiment, the fluid passages 12 in the fluid passing-through zone 11, whether upstream or downstream, are uniform-pore-diameter passages, although in other embodiments, without limitation, the fluid passages 12 may also be passages with decreasing pore size (e.g., decreasing pore size) in the direction of fluid flow.

The utility model provides a deaeration device is less than the fluid passage's that is arranged in the fluid circulation district of upper reaches export radial diameter through the entry radial diameter that makes the fluid passage that is arranged in the fluid circulation district of low reaches, carries out the current-limiting to the fluid, and then makes the release of bubble in the fluid that gets into low reaches fluid circulation district.

The utility model provides a defoaming device, the total area of the fluid passage (inner wall) that is arranged in the fluid circulation district of upper reaches equals the total area of the fluid passage (inner wall) that is arranged in the fluid circulation district of upper reaches. The two-section type spiral fluid flow channel has large upper size, small lower size after flowing through the fan blade platform and consistent total area of the upper channel and the lower channel, and controls the deaeration in a graded manner; the rotating solution is preliminarily defoamed by the large size, and the defoaming of the fan blades is paved; the lower size is small, and the solution stirred by the fan blades is finely processed, so that a better defoaming effect is realized.

In this embodiment, as shown in fig. 2 and 3, the number of the fluid passages 12 in the downstream fluid flow zone 11 is 4, and the number of the fluid passages 12 in the upstream fluid flow zone 11 is 16, that is, the number of the fluid passages 12 in the downstream fluid flow zone 11 is 4 times the number of the fluid passages 12 in the upstream fluid flow zone 11, in other embodiments, the number of the fluid passages in the downstream fluid flow zone is 2 times, 3 times or 5 times the number of the fluid passages in the upstream fluid flow zone, and of course, in other embodiments, the number of the fluid passages in the downstream fluid flow zone may be equal to the number of the fluid passages in the upstream fluid flow zone.

The utility model provides a defoaming device through making the quantity that is arranged in the fluid circulation district of low reaches fluid passage more than or equal to the quantity that is arranged in the fluid circulation district of upper reaches trip, can disperse the fluid, and then impel the release of getting into the bubble in the fluid of low reaches fluid circulation district.

Fig. 4 is a schematic view illustrating a rotation relationship between the cylinder and the fluid flowing platform of the debubbling apparatus according to an embodiment of the present invention. For the purpose of illustration, the drawings show only the structures associated with embodiments of the invention.

The basic structure of the debubbling device in this embodiment is the same as that of the two embodiments, and comprises a cylinder 1, two sections of fluid flowing areas 11 are arranged in the cylinder 1 along the fluid flowing direction, wherein a plurality of fluid channels 12 which extend spirally and are spaced are formed in each section of the fluid flowing area 11, and a fluid flowing platform 2 for fluid flowing is arranged between any two fluid flowing areas.

Referring to fig. 4, in this embodiment, the fluid flow platform 2 is rotatably disposed around the axial direction of the cylinder 1; the fluid flow platform 2 may be provided with a rotating shaft, which is coaxial with the cylinder, or may be a support shaft. In other embodiments, a plurality of fluid flow platforms 2 may be included, which may be arranged on the same rotational axis.

In this embodiment, the surface of the fluid flow platform 2 opposite the upstream fluid flow region 11 forms an agitating blade platform that agitates the fluid flowing to its surface to facilitate bubble release.

The utility model provides a defoaming device, through making every fluid flow platform wind the axial rotatable setting of barrel utilizes fluid flow platform's rotation to exert energy to the fluid that flows on it, makes the bubble release in the fluid.

Referring to fig. 4, in this embodiment, the cylinder 1 is rotatably disposed around its circumference, and in actual operation, the fluid flow platform 2 rotates in the opposite direction to the cylinder 1.

In this embodiment, the cylinder 1 is connected to a first driving device (not shown), and the stirring device 2 is connected to a second driving device (not shown), wherein the first driving device and the second driving device drive the cylinder and the stirring device to rotate in opposite directions.

The utility model provides a defoaming device, through making the barrel around the axial rotatable setting of barrel, utilize the rotation of barrel to exert energy to the fluid that flows in fluid passage, impel the bubble release in the fluid; meanwhile, the rotating direction of the fluid flowing platform is set to be opposite to the rotating direction of the cylinder, so that the flowing direction of the fluid on the fluid channel and the fluid flowing platform is changed, and the bubbles in the fluid are promoted to be released.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The defoaming device is characterized by comprising a cylinder body, wherein at least two sections of fluid circulation areas are arranged in the cylinder body along the fluid flow direction, a plurality of spirally extending and mutually spaced fluid channels are formed in each section of fluid circulation area, and a fluid flow platform for fluid circulation is arranged between any two fluid circulation areas.

2. The debubbling apparatus as recited in claim 1, wherein each of the sections of the fluid throughput region has a hollow annular structure in which a plurality of the fluid passages are distributed.

3. The debubbling apparatus of claim 2, wherein the inner diameters of the annular structures of any two adjacent fluid throughput zones are equal.

4. The debubbling apparatus of claim 2, wherein each of the fluid flow platforms is disposed in spaced relation to an inner wall of the housing; and an annular shielding part is arranged between the fluid flowing platform and the fluid flowing area at the upstream of the fluid flowing platform, the annular shielding part is fixed on the inner wall of the cylinder body, and the radial width of the annular shielding part is greater than the gap between the fluid flowing platform and the inner wall of the cylinder body.

5. The debubbling apparatus of claim 4, wherein the annular baffles are disposed both upstream and downstream of the fluid flow platform, and have a radial width that is greater than a gap between the fluid flow platform and the interior of the barrel.

6. Debubbling apparatus according to any one of claims 1 to 5, wherein in any two of the fluid-circulation zones, the radial diameter of the inlet of the fluid passage in the downstream fluid-circulation zone is smaller than the radial diameter of the outlet of the fluid passage in the upstream fluid-circulation zone.

7. Debubbling apparatus according to any one of claims 1 to 5, wherein between any two of the fluid-flow-through zones, the number of fluid passages in the downstream fluid-flow-through zone is greater than or equal to the number of fluid passages in the upstream fluid-flow-through zone.

8. The debubbling apparatus of any one of claims 1-5, wherein each of the fluid flow platforms is rotatably disposed about an axial direction of the barrel.

9. The debubbling apparatus of claim 8, wherein the cartridge is rotatably disposed about its axis opposite the fluid flow platform.

10. The defoaming apparatus of any one of claims 1-5, wherein an exhaust port is provided at the top of the cylinder, and the exhaust port is connected with an external air suction device.