CN108826947B - Semi-static pressure air supply device and drying equipment - Google Patents
Semi-static pressure air supply device and drying equipment Download PDFInfo
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- CN108826947B CN108826947B CN201810407670.3A CN201810407670A CN108826947B CN 108826947 B CN108826947 B CN 108826947B CN 201810407670 A CN201810407670 A CN 201810407670A CN 108826947 B CN108826947 B CN 108826947B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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Abstract
The invention provides a semi-static pressure air supply device and drying equipment, and belongs to the technical field of drying. A semi-static pressure air supply apparatus comprising: box and fan. The box includes mounting panel and two piece at least deep beads, and the mounting panel has been seted up the mounting hole with the deep bead along the direction setting of heat source to the stoving material in proper order, the mounting panel, has the clearance between the adjacent deep bead, and a plurality of exhaust vents have all been seted up to the deep bead, and the total area of a plurality of exhaust vents is 1 with the area ratio of deep bead: 3 to 12. The fan is installed in the mounting hole, and the fan is used for supplying air to the box inside. It has the even effect of air-out.
Description
Technical Field
The invention relates to the technical field of drying, in particular to a semi-static pressure air supply device and drying equipment.
Background
In the drying equipment, moisture in the dried objects is taken away through the movement of air fluid, and air supply is an important mode. At present, a horizontal flow type drying method is adopted more generally, more uniform hot air enters a material vehicle from one end to dry materials of the material vehicle, a certain distance is reserved between the upper layer and the lower layer of each layer of material discs on the material vehicle, the material discs are uniform, heat insulation plates are arranged on two sides of the material vehicle, so that a material drying air flow channel is formed on each layer of each material disc, each layer of the materials can be uniformly heated and take away moisture, the mode requires that hot air is supplied in a wind wall mode, and the area of the wind wall is generally 2-3m2The wind wall is formed by installing more than 12 low-power axial flow fans in parallel, so that the effect of the wind wall is obtained to dry the materials.
The existing equipment realizes the uniformity of air supply by configuring a plurality of fans. The main defect that exists is following, if certain or a plurality of fan damage, unable discovery in time causes the unable stoving of the thing of being dried of a certain corresponding position, and the stoving generally goes on in the airtight space relatively in addition, just can discover when shutting down the ejection of compact that there is the part not to reach the stoving requirement by the thing of drying, causes production waste and inefficiency.
Disclosure of Invention
The invention aims to provide a semi-static pressure air supply device which has the effect of uniform air outlet.
The invention also aims to provide the drying equipment, which has uniform air outlet and uniform air receiving of the dried objects.
The invention is realized by the following steps:
a semi-static pressure air supply device is used for being placed between a heat source and a dried material and comprises: fan, box, deep bead.
The box, the box includes mounting panel and two piece at least deep beads, and the fan mounting hole has been seted up to the direction setting of heat source to the stoving material along the mounting panel with the deep bead in proper order, mounting panel and adjacent deep bead have the clearance. Have the clearance between the adjacent deep bead, a plurality of exhaust vents have all been seted up to the deep bead, and the area of fan mounting hole area and deep bead is than 1: 3-14;
further, in one embodiment of the invention, there is a gap between the fan and the first wind deflector.
Further, in an embodiment of the present invention, the air outlets on adjacent wind deflectors are arranged in a staggered manner.
Further, in an embodiment of the present invention, the semi-static pressure air supply device is provided with a first air baffle and a second air baffle, the first air baffle is provided with a plurality of first air outlets, the second air baffle is provided with a plurality of second air outlets, and the plurality of second air outlets and the plurality of first air outlets are arranged in a staggered manner.
Further, in an embodiment of the invention, the plurality of first outlet portions are projected on the second wind baffle.
Further, in one embodiment of the invention, there is a gap between the fan and the first wind deflector.
Further, in an embodiment of the present invention, the semi-static pressure air supply device further includes a third air baffle, the second air baffle is disposed between the first air baffle and the third air baffle, a gap is formed between the third air baffle and the second air baffle, the third air baffle is provided with a plurality of third air outlets, and the plurality of third air outlets and the plurality of second air outlets are disposed in a staggered manner.
Further, in an embodiment of the present invention, the plurality of second outlet portions are projected on the third wind deflector.
Further, in an embodiment of the present invention, the semi-static pressure air supply device further includes a fourth air baffle, the third air baffle is disposed between the second air baffle and the fourth air baffle, a gap is formed between the fourth air baffle and the third air baffle, the fourth air baffle is provided with a plurality of fourth air outlets, and the plurality of fourth air outlets and the third air outlets are disposed in a staggered manner.
Further, in an embodiment of the present invention, the plurality of third air outlet holes are completely projected on the fourth air deflector.
Further, in an embodiment of the present invention, the area of the air outlet is not less than 8mm2And not more than 28000mm2。
The invention has the beneficial effects that: when the semi-static pressure air supply device is used, air is supplied into the box body through the fan, when air molecules meet the wind shield close to the box body mounting plate, one part of the air passes through the air outlet hole of the wind shield under the action of dynamic pressure, and the other part of the air collides with the wind shield to generate pressure perpendicular to the movement direction of fluid, so that static pressure is generated, the speed of the air flow of the part is low, and the air flow is diffused to the periphery under the action of continuous pressure of the air pressure. Then the air passes through other air outlet holes even including the air outlet hole far away from the fan and enters the next stage of wind shield. It can improve the inhomogeneous problem of exhaust vent air-out.
A drying apparatus includes a semi-static pressure air supply device. Because the semi-static pressure air supply device can form an air wall to provide uniform and stable air, the dried objects are uniformly ventilated. The drying apparatus can effectively dry the objects to be dried.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural diagram of a semi-static pressure blower according to an embodiment of the present invention;
FIG. 2 is a schematic view of the internal structure of a semi-static pressure blower according to an embodiment of the present invention;
FIG. 3 is a schematic view of the relative positions of the first outlet and the second outlet of FIG. 2;
fig. 4 is a schematic diagram of the relative positions of the third outlet and the fourth outlet in fig. 2.
Icon: 100-half static pressure air supply device; 110-a box body; 111-a mounting plate; 111 a-mounting holes; 113-a first windshield; 113 a-a first air outlet; 114-a second wind deflector; 114 a-a second air outlet; 115-a third wind deflector; 115 a-a third air outlet; 116-a fourth windshield; 116 a-a fourth air outlet.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "vertical," "bottom," "inside," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third", "fourth" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Examples
Referring to fig. 1 and 2, the semi-static pressure air supply device 100 is used to be placed between a heat source and a material to be dried, and the semi-static pressure air supply device 100 includes a box 110 and a fan (not shown).
The fan is installed in the installation hole 111a, and the fan blows air into the case 110.
The fan supplies air to the box body 110, when air molecules meet the wind shield close to the mounting plate 111 of the box body 110, one part of the air molecules passes through the air outlet of the wind shield under the action of dynamic pressure, and the other part of the air molecules collides with the wind shield to generate pressure perpendicular to the movement direction of fluid, so that static pressure is generated, the wind speed of the part is lower, and the air molecules are diffused to the periphery under the action of continuous pressure application of wind pressure. Then the air outlet holes which are far away from the edge of the fan wind shield plate pass through other air outlet holes and enter the next stage wind shield plate. The semi-static pressure air supply device 100 can solve the problem of uneven air outlet of the air outlet.
Furthermore, the air outlets on the adjacent wind shields are arranged in a staggered mode.
Air is supplied into the box body 110 through the fan, when air molecules meet the wind shield close to the mounting plate 111 of the box body 110, one part of the air passes through the air outlet of the wind shield, and the other part of the air collides with the wind shield to generate pressure perpendicular to the movement direction of fluid, so that static pressure is generated, the wind speed of the part is smaller, the wind power is uniform and stable, and then the air passes through the air outlet.
Half static pressure air supply arrangement 100 can make partly wind directly pass through from the exhaust vent, and another part wind changes into static pressure and makes wind-force littleer, and is stable and even, also can pass through from the exhaust vent at last, and the effect of even air supply can be realized to such setting.
In the embodiment, the section of the air outlet is circular, and the diameter of the air outlet is 55-65 mm. Each wind shield is provided with 40-60 air outlet holes. It should be noted that, in other embodiments, the shape, number and size of the air outlet holes can be adjusted according to actual situations. The present invention is not limited to the embodiments. The section of the air outlet hole can be rectangular or triangularShapes, etc. Wherein the area of the air outlet is not less than 8mm2And not more than 28000mm2。
Specifically, in the present embodiment, a first wind deflector 113, a second wind deflector 114, a third wind deflector 115 and a fourth wind deflector 116 are sequentially disposed along the direction of the heat source and the material to be dried. Gaps are formed among the first wind deflector 113, the second wind deflector 114, the third wind deflector 115, the fourth wind deflector 116 and the fan, please refer to fig. 2-4.
The first wind shield 113 is provided with a plurality of first wind outlet holes 113a, and the plurality of first wind outlet holes 113a are arranged in an array. The second wind blocking plate 114 is provided with a plurality of second wind outlet holes 114a, and the plurality of second wind outlet holes 114a are arranged in an array. The third wind-guard plate 115 is provided with a plurality of third wind-outlet holes 115a, and the third wind-outlet holes 115a are arranged in an array. The fourth wind shield 116 is provided with a plurality of fourth wind outlets 116a, and the plurality of fourth wind outlets 116a are arranged in an array.
The first air-out holes 113a, the second air-out holes 114a, the third air-out holes 115a and the fourth air-out holes 116a are all arranged in a staggered manner.
The fan blows air into the box body 110, the first wind shield 113 is a wind shield nearest to the fan, the wind sent by the fan is close to linear motion, when the wind blows to the position of the first wind shield 113, the wind flow coverage area is equivalent to the area of the fan mounting hole 111a, a part of wind flow passes through the corresponding first wind shield 113, the wind speed is 10 m/s-30 m/s, the other part of wind flow impacts the first wind shield 113 to generate pressure perpendicular to the fluid motion direction of the first wind shield 113, so that static pressure is generated, the part of wind flow flows to all positions of the first wind shield 113 and flows out from all the first wind shields 113, the wind speed of the first wind shield 113 close to the fan is high, and the wind speed of the first wind shield 113 far from the fan is low. The wind speed difference is more than two times.
Due to the staggered design of the second air outlet holes 114a on the second air baffle 114 and the first air baffle 113, a part of air current flows out from the second air outlet holes 114a, and a part of air current flows along the direction perpendicular to the second air baffle 114 after striking the second air baffle 114, so that static pressure is generated, the air current speed of the second air outlet holes 114a close to the fan mounting holes 111a is reduced, and the air current speed of the second air outlet holes 114a of other parts is further improved. And then into the third damper 115. Experiments prove that the wind speeds from the second wind baffle 114 to the second wind outlet 114a at the position corresponding to the fan mounting hole 111a are obviously reduced, the wind current covers the whole wind-blocking wind outlet, the area wind speed corresponding to the fan mounting hole 111a is the largest, and the wind speeds of the wind outlets at other positions are small and uneven. One part of the wind flow escapes from the air outlet, and the other part of the wind flow forms static pressure and then flows to the air outlet with small wind flow speed of the superior level, so that the wind speed difference of each hole to the wind flow speed is reduced, and the problem of uneven wind outlet of the air outlet is solved.
Due to the staggered design of the third air outlet 115a and the second air outlet 114a on the third damper 115, a part of the wind current flows out from the third air outlet 115a, and a part of the wind current flows in a direction perpendicular to the third damper 115 after striking the third damper 115, so as to generate static pressure, reduce the wind current speed of the third air outlet 115a close to the fan mounting hole 111a, and further improve the wind current speed of the third air outlet 115a at other parts. And then into fourth air deflector 116.
Due to the staggered design of the fourth air outlet 116a and the third air outlet 115a on the fourth air deflector 116, a part of air flows out from the fourth air outlet 116a, and a part of air flows along the direction perpendicular to the fourth air deflector 116 after striking the fourth air deflector 116, so that static pressure is generated, the air flow speed of the fourth air outlet 116a close to the fan mounting hole 111a is reduced, and the air flow speed of the fourth air outlet 116a of other parts is further increased. The wind passing through the fourth wind outlet hole 116a is uniform and stable.
In the present embodiment, a portion of the first air outlet holes 113a projects on the second wind blocking plate 114. The second air outlet holes 114a are partially projected on the third wind shielding plate 115. The third air outlet holes 115a are partially and completely located in the fourth air deflector 116.
In other embodiments, all of the first air outlet holes 113a may be projected on the second wind blocking plate 114. The second air outlet holes 114a are completely projected on the third wind-guard plate 115.
This arrangement has the advantage that the air from the second outlet vent 114a is substantially uniform and stable, and the air from the third outlet vent 115a is also substantially uniform and stable, which is more beneficial to make the air from the fourth outlet vent 116a substantially uniform and stable.
In addition, in other embodiments, the first wind deflector 113, the second wind deflector 114, the third wind deflector 115, and the fourth wind deflector 116 provided in the present embodiment are not limited. In other embodiments, two wind deflectors, three wind deflectors, five wind deflectors, etc. may be provided. The number of the wind deflectors is not limited, and at least two wind deflectors can be met.
The working principle and effect of the semi-static pressure air supply device 100 of the embodiment are as follows:
the fan supplies air into the box body 110, the wind flows to the wind shield far away from the mounting plate 111 and flows out from the wind outlet hole of the wind shield, and the wind outlet hole close to the fan keeps the original wind speed of the fan. Air molecules flow out of the second air outlet holes 114a of the second air baffle 114 after passing through the first air baffle 113, because the first air baffle 113 of the first air baffle 113 and the second air outlet holes 114a of the second air baffle 114 have certain dislocation and change in hole area, a part of air flows out of the second air outlet holes 114a of the second air baffle 114 nearby, the other part of air flows under the action of static pressure along the direction perpendicular to the second air baffle 114, flows out of the second air outlet holes 114a of the second air baffle 114, and the air speed of the air flowing out of the second air outlet holes 114a is smaller than the air speed difference of the first air baffle 113. And so on: the semi-static pressure air supply device 100 can enable part of air flow to directly pass through the air outlet under the action of dynamic pressure, the other part of air flow collides with the air baffle plate and is converted into a static pressure state to move to other air outlet, the air speed is reduced, and under the multiple actions and adjustment of multi-layer wind shields, multi-layer air outlet air flow and static pressure, the air speed of each air outlet of the wind shield at the tail end tends to be consistent, so that stable and uniform air speed is obtained. Because the semi-static pressure air supply device 100 only has one fan, whether the fan is damaged or not can be found in time, and the efficiency is improved.
The present embodiment also provides a drying apparatus (not shown in the drawings), which includes a semi-static pressure air supply device 100. Because the semi-static pressure air supply device 100 can provide uniform and stable air, the dried objects are uniformly ventilated. The drying apparatus can effectively dry the objects to be dried.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A semi-static pressure air supply device is characterized in that the semi-static pressure air supply device is used for being placed between a heat source and a material to be dried, and the semi-static pressure air supply device comprises:
the box, the box includes mounting panel and two piece at least deep beads, the mounting panel with the deep bead is followed in proper order the heat source to the direction setting of stoving material, the mounting hole has been seted up to the mounting panel, and is adjacent have the clearance between the deep bead, a plurality of exhaust vents have all been seted up to the deep bead, the mounting hole area with the area of deep bead is than being 1: 3-14; the air outlet holes on the adjacent wind shields are arranged in a staggered manner;
the fan is arranged in the mounting hole and used for supplying air to the interior of the box body;
a first wind shield and a second wind shield are arranged along the semi-static pressure air supply, the first wind shield is provided with a plurality of first air outlet holes, the second wind shield is provided with a plurality of second air outlet holes, and the plurality of second air outlet holes and the plurality of first air outlet holes are arranged in a staggered manner; a gap is formed between the fan and the first wind shield;
the semi-static pressure air supply device further comprises a third air baffle, the second air baffle is arranged between the first air baffle and the third air baffle, the third air baffle has a gap with the second air baffle, the third air baffle is provided with a plurality of third air outlets, and the third air outlets are staggered with the second air outlets.
2. The semi-static pressure air supply device according to claim 1, wherein a plurality of the first outlet holes are projected on the second baffle.
3. The semi-static pressure air supply device according to claim 1, wherein a plurality of the second outlet portions are projected on the third damper.
4. The semi-static pressure air supply device according to claim 1, further comprising a fourth air baffle, wherein the third air baffle is disposed between the second air baffle and the fourth air baffle, a gap is formed between the fourth air baffle and the third air baffle, the fourth air baffle is provided with a plurality of fourth air outlet holes, and the plurality of fourth air outlet holes and the third air outlet holes are arranged in a staggered manner.
5. The semi-static pressure air supply device according to claim 4, wherein the third air outlet holes are projected to the fourth air baffle completely.
6. A drying apparatus comprising the semi-static pressure air supply device of any one of claims 1 to 5.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017112641908 | 2017-12-04 | ||
| CN201711264190 | 2017-12-04 |
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| CN108826947A CN108826947A (en) | 2018-11-16 |
| CN108826947B true CN108826947B (en) | 2021-02-26 |
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| CN201810407670.3A Active CN108826947B (en) | 2017-12-04 | 2018-04-28 | Semi-static pressure air supply device and drying equipment |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110953873B (en) * | 2019-12-02 | 2024-04-05 | 苏州君康医疗科技有限公司 | Static pressure air supply box and air heater |
| CN112556341A (en) * | 2020-12-16 | 2021-03-26 | 苏州宝馨科技实业股份有限公司 | Negative pressure drying device |
| CN114368095B (en) * | 2021-12-30 | 2023-11-21 | 佛山市高明基业冷轧钢板有限公司 | Panel cooling device |
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| CN208567469U (en) * | 2017-12-04 | 2019-03-01 | 湖南省浏阳市择明热工器材有限公司 | Half static pressure air supply device of one kind and drying equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201652727U (en) * | 2010-04-07 | 2010-11-24 | 浙江新亚环境净化工程有限公司 | Side wall type replaceable air supply cabinet |
| CN102490741A (en) * | 2011-12-13 | 2012-06-13 | 南车株洲电力机车有限公司 | Air supply uniformity regulating system for lower static-pressure type air duct |
| CN103982992A (en) * | 2014-05-15 | 2014-08-13 | 上海交通大学 | Pore plate and air passage capable of realizing thermal field uniform distribution |
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