阅读说明：本技术 气浮式干燥箱均匀布气装置 (Even gas distribution device of air supporting formula drying cabinet ) 是由 邵念 于 2019-10-21 设计创作，主要内容包括：本发明提出了一种气浮式干燥箱均匀布气装置,包括进风管、布风管和若干喷嘴,布风管与进风管相互连通,若干喷嘴阵列排布在布风管的同一侧面且与布风管相互连通,所述布风管还包括集气罩、布气管和反射板,布风管的上方设有进风口,集气罩固定安装在布风管内侧,所述布气管的中部设有进气口,布气管沿长度方向阵列设有出气孔,集气罩的大口与进风口相互连通,集气罩的小口与布气管的进气口相互连通,反射板固定安装在布风管内侧,反射板正对布气管的出气孔。本发明的气浮式干燥箱均匀布气装置能够将热风在布风管内进一步进行均匀分布,保证不同喷嘴的温度差更小,同时可以避免高温热风直接从最近的喷嘴喷出导致温差过大以及局部地区的风速过大。(The invention provides an even air distribution device of an air floating type drying box, which comprises an air inlet pipe, an air distribution pipe and a plurality of nozzles, wherein the air distribution pipe is communicated with the air inlet pipe, the nozzles are arrayed on the same side surface of the air distribution pipe and are communicated with the air distribution pipe, the air distribution pipe also comprises a gas collecting hood, an air distribution pipe and a reflecting plate, an air inlet is arranged above the air distribution pipe, the gas collecting hood is fixedly arranged at the inner side of the air distribution pipe, an air inlet is arranged at the middle part of the air distribution pipe, air outlet holes are arrayed along the length direction of the air distribution pipe, the large opening of the gas collecting hood is communicated with the air inlet, the small opening of the gas collecting hood is communicated with the air inlet of the air distribution pipe, the reflecting plate is fixedly arranged at. The uniform air distribution device of the air floating type drying box can further uniformly distribute hot air in the air distribution pipe, ensures that the temperature difference of different nozzles is smaller, and can avoid overlarge temperature difference and overlarge wind speed of local areas caused by directly spraying high-temperature hot air from the nearest nozzle.)

1. An even air distribution device of an air floating type drying box comprises an air inlet pipe (1), an air distribution pipe (2) and a plurality of nozzles (3), wherein the air distribution pipe (2) is communicated with the air inlet pipe (1), the nozzles (3) are arranged on the same side surface of the air distribution pipe (2) in an array mode and are communicated with the air distribution pipe (2), the even air distribution device is characterized in that the air distribution pipe (2) further comprises an air collection cover (21), an air distribution pipe (22) and a reflecting plate (23), an air inlet (24) is formed in the side surface of the air distribution pipe (2), the air collection cover (21) is fixedly installed on the inner side of the air distribution pipe (2), an air inlet (221) is formed in the middle of the air distribution pipe (22), air outlet holes (222) are formed in the air distribution pipe (22) in an array mode along the length direction, a large opening of the air collection cover (21) is communicated with the air inlet (24), a small opening of the air, the reflecting plate (23) is fixedly arranged on the inner side of the air distribution pipe (2), and the reflecting plate (23) is over against the air outlet holes (222) of the air distribution pipe (22).

2. The even air distribution device of the air-float type drying box as claimed in claim 1, characterized in that, the device further comprises a coil pipe (25), and the air collecting hood (21) is communicated with the air distribution pipe (22) through the coil pipe (25).

3. The even air distribution device of the air floating drying box according to claim 2, characterized in that the coil (25) is coiled in a circuitous manner, the plane of the coil (25) is perpendicular to the opening direction of the air outlets (222) of the air distribution pipe (22), and the opening direction of the air outlets (222) of the air distribution pipe (22) is opposite to the position of the coil (25).

4. The even air distribution device of air-float drying box of claim 3, characterized in that the plane of the coil (25) is perpendicular to the horizontal plane and parallel to the length direction of the air distribution pipe (22).

5. The even air distribution device of the air-floating drying box according to claim 1, characterized in that the reflecting plate (23) is a circular arc plate, and the chord length direction of the circular arc plate is perpendicular to the opening direction of the air outlet holes (222) of the air distribution pipe (22).

6. The even air distribution device of the air-float type drying box according to claim 1, characterized in that the length of the air distribution pipe (22) is the same as that of the reflection plate (23).

7. The even air distribution device of the air-float type drying box according to claim 6, characterized in that the length of the air distribution pipe (22) is slightly less than the length of the air distribution pipe (2).

8. The uniform air distribution device of the air-floating drying box according to claim 1, further comprising an air distribution hole plate (26), wherein the air distribution hole plate (26) is fixedly installed on the bottom surface of the inner side of the air distribution pipe (2), and a plurality of through holes (261) are formed in the air distribution hole plate (26) in an array manner.

Technical Field

The invention relates to the technical field of coated paper processing equipment, in particular to an even air distribution device of an air floating type drying box.

Background

In the production process of coated paper, drying equipment is required to be adopted to dry the coated paper, the currently common drying equipment is an air drying box, wherein the air floating type drying equipment is the most common drying equipment, the drying box is provided with an upper box body and a lower box body with opposite openings, and air distribution devices are arranged inside the upper box body and the lower box body and used for uniformly distributing hot air and blowing the hot air to the paper surface at a high speed so as to float the paper and dry a solvent on the surface of the paper.

However, the air-floating drying box needs to blow in high-temperature and high-pressure gas in the drying process, the gas cannot be uniformly dispersed after entering the air-floating drying box, the finally blown high-temperature gas can be sprayed out from the nearest gas outlet, the temperature of the gas discharged from the gas outlet far away from the gas inlet can be reduced relatively, and for the drying box with poor gas distribution effect, the temperature difference of the gas outlet is too large, so that the drying effect of the drying box is poor, even the coated paper can be damaged due to the overhigh drying temperature, and meanwhile, the poor gas distribution effect can also cause the gas to be discharged unevenly, so that the stable operation of the paper is influenced.

Disclosure of Invention

In view of the above, the invention provides the uniform air distribution device of the air floating type drying box, which has more uniform air outlet temperature and more stable and controllable drying effect.

The technical scheme of the invention is realized as follows: the invention provides an even air distribution device of an air floating type drying box, which comprises an air inlet pipe, an air distribution pipe and a plurality of nozzles, wherein the air distribution pipe is communicated with the air inlet pipe, the nozzles are arranged on the same side surface of the air distribution pipe in an array manner and are communicated with the air distribution pipe, the air distribution pipe also comprises a gas collecting hood, an air distribution pipe and a reflecting plate, the side surface of the air distribution pipe is provided with an air inlet, the gas collecting hood is fixedly arranged at the inner side of the air distribution pipe, the middle part of the air distribution pipe is provided with an air inlet, the air distribution pipe is provided with a plurality of air outlet holes in an array manner along the length direction, the large opening of the gas collecting hood is communicated with the air inlet of the air distribution pipe, the reflecting plate is fixedly arranged at the.

The air-supply line communicates outside air feeder, and carry outside wind regime to the cloth wind intraduct, and then equally divide to the nozzle, when the wind regime enters into the cloth wind intraductal, at first get into the gas collecting channel, the gas collecting channel improves the wind speed and improves its pressure, the air inlet enters the gas distribution pipe after the gas collecting channel acceleration steps up, utilize the gas distribution pipe to equally divide the back with wind along the length direction of gas distribution pipe and discharge, discharge back through the reflecting plate reflection can avoid the high velocity air flow directly to dash the nozzle, thereby realize that the air supply is more even and can not appear the too big condition of wind speed in local area.

On the basis of the technical scheme, the gas collecting hood preferably further comprises a coil pipe, and the gas collecting hood is communicated with the gas distribution pipe through the coil pipe.

On the basis of the technical scheme, preferably, the coil pipe is coiled in a circuitous manner, the plane where the coil pipe is located is perpendicular to the opening direction of the air outlet of the air distribution pipe, and the opening direction of the air outlet of the air distribution pipe is back to the position where the coil pipe is located.

On the basis of the technical scheme, preferably, the plane of the coil pipe is perpendicular to the horizontal plane and is parallel to the length direction of the gas distribution pipe.

Further preferably, the reflecting plate is an arc plate, and the chord length direction of the arc plate is perpendicular to the opening direction of the air outlet hole of the air distribution pipe.

On the basis of the above technical solution, preferably, the length of the air distribution pipe is the same as that of the reflection plate.

On the basis of the technical scheme, preferably, the length of the air distribution pipe is slightly smaller than that of the air distribution pipe.

On the basis of the technical scheme, the air distribution pipe is preferred to further comprise an air distribution hole plate, the air distribution hole plate is fixedly installed on the bottom surface of the inner side of the air distribution pipe, and a plurality of through holes are formed in the air distribution hole plate in an array mode.

Compared with the prior art, the air-floating drying box uniform air distribution device has the following beneficial effects:

(1) the air-floating drying box uniform air distribution device is characterized in that the air distribution pipe is internally provided with the air collecting hood and the air distribution pipe, hot air entering the air distribution pipe is pressurized and accelerated to be prevented from directly entering the nozzle and reflected by the reflecting plate to achieve the purpose of further uniform air distribution, so that the problem of poor drying effect caused by inconsistent air outlet temperatures of the hot air at different nozzle positions is solved, meanwhile, the front end of the air distribution pipe is provided with the coil pipe, the inlet air can be cooled to a certain degree, and the inlet air and the air in the air distribution pipe are subjected to heat exchange, so that the temperature distribution of the inlet air and the air in the air distribution pipe is more uniform;

(2) the whole device is simple in structure, can effectively carry out evenly distributed after hot-blast entering air distribution pipe, and the time extension of heat exchange is favorable to the evenly distributed of hot-blast temperature simultaneously, and the in-process that gets into the nozzle from the air distribution pipe is through heat exchange and evenly distributed many times, makes the nozzle spun hot-blast of different positions more stable relatively and even, is favorable to improving drying effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is an isometric view of the uniform air distribution device of the air-floating drying box of the present invention;

FIG. 2 is a schematic diagram of the explosion structure of the uniform air distribution device of the air-floating drying box of the invention;

FIG. 3 is an axonometric view of the internal structure of the air distribution pipe of the uniform air distribution device of the air floating drying box of the invention;

fig. 4 is an explosion structure schematic diagram of the inner structure of the air distribution pipe of the air floating type drying box uniform air distribution device of the invention.

In the figure: 1-air inlet pipe, 2-air distribution pipe, 3-nozzle, 21-gas collecting hood, 22-air distribution pipe, 23-reflecting plate, 24-air inlet, 25-coil pipe, 26-air distribution hole plate, 221-air inlet, 222-air outlet and 261-through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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 of the embodiments. 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.

As shown in fig. 1, in combination with fig. 2 and 4, the air-floating drying box uniform air distribution device of the invention, which comprises an air inlet pipe 1, an air distribution pipe 2 and a plurality of nozzles 3, wherein the air distribution pipe 2 is communicated with the air inlet pipe 1, the plurality of nozzles 3 are arranged on the same side surface of the air distribution pipe 2 in an array manner and are communicated with the air distribution pipe 2, the air distribution pipe 2 also comprises an air collecting hood 21, an air distribution pipe 22 and a reflecting plate 23, the side surface of the air distribution pipe 2 is provided with an air inlet 24, the middle part of its gas distribution pipe 22 is equipped with air inlet 221, the gas distribution pipe 22 is equipped with a plurality of ventholes 222 along length direction array, gas collecting channel 21 fixed mounting is inboard at gas distribution pipe 2, the macrostoma and the air intake of gas collecting channel 21 communicate each other, the osculum of gas collecting channel 21 and the air inlet 221 of moisturizing pipe 22 communicate each other, reflecting plate 23 fixed mounting is inboard at gas distribution pipe 2, reflecting plate 23 is located the open-ended route direction of venthole 222, preferred reflecting plate 23 is just to the venthole 222 setting of gas distribution pipe 22.

In the above embodiment, the air inlet 24 of air inlet pipe 1 to air distribution pipe 2, wind speed and wind pressure are increased after passing through the gas collecting channel 21, at this moment, the wind enters air distribution pipe 22, and flows along the length direction of air distribution pipe 22, because the wind speed and the wind pressure in air distribution pipe 22 are all great, therefore, the wind can be distributed along the length direction thereof more rapidly and uniformly, and is ejected through air outlet 222, the ejected hot wind shoots towards reflecting plate 23, thereby can avoid hot wind from directly jetting to the nozzle, cause nozzle air-out pressure and air-out temperature unevenness of different positions, the hot wind can be buffered after being reflected by reflecting plate 23, thereby guarantee that the hot wind enters nozzle 3 with relatively low wind speed, guarantee that the wind speed and pressure of nozzle 3 of different positions are more consistent.

As shown in fig. 3 and with reference to fig. 4, in a specific embodiment, the air distribution pipe 2 further includes a coil 25, the coil 25 is located inside the air distribution pipe 2, and the air collecting hood 21 is communicated with the air distribution pipe 22 through the coil 25.

In the above embodiment, the wind of sending into is before getting into in the gas distribution pipe 22, at first through coil pipe 25, on the one hand coil pipe 25 has prolonged the wind path, make it can carry out the cooling of certain degree in coil pipe 25, avoid hot-blast high temperature, the local high temperature that leads to the position of admitting air, secondly coil pipe 25 can also play the effect of secondary heat transfer, blowout coil pipe 25's hot-blast and the air in gas distribution pipe 2 can carry out the heat exchange with coil pipe 25, thereby the air temperature in balanced gas distribution pipe 2, alleviate the heat loss and the inhomogeneous condition of heat distribution in hot-blast inside, and then guarantee that nozzle 3 spun wind temperature is more even, the difference in temperature is littleer.

In a specific embodiment, the coil 25 is a circuitous coil, the plane of the coil 25 is perpendicular to the opening direction of the air outlet 222 of the air distribution pipe 22, and the opening direction of the air outlet 222 of the air distribution pipe 22 is opposite to the position of the coil 25.

In the above embodiment, in the case that the air outlet holes 222 of the air distribution pipe 22 are aligned with the reflective plate 23, the hot air discharged from the air outlet holes 222 will pass through the coil pipe 25 after rebounding through the reflective plate 23, so that the heat exchange with the coil pipe 25 is easier, and the purpose of temperature equalization is achieved.

In the embodiment, the plane of the coil 25 is perpendicular to the horizontal plane and parallel to the length direction of the air distribution pipe 22.

In the above embodiment, the area of the hot wind discharged from the air distribution pipe 22 projected on the coil pipe 25 after being reflected by the reflection plate 23 is maximized, and the heat exchange efficiency is maximized.

In the specific embodiment, the reflecting plate 23 is preferably a circular arc plate, and the length direction of the chord of the circular arc plate is perpendicular to the opening direction of the air outlet holes 222 of the air distribution pipe 22.

In the above embodiment, when the concave surface of circular arc board is just to venthole 222, the discharged hot-blast can assemble after the reflection, then the mutual impact dispersion, more easily pass through coil pipe 25 during the aggregation, thereby can carry out the heat exchange fast, when the convex surface of circular arc board is just to venthole 222, the discharged hot-blast disperses more after the reflection of circular arc board convex surface, thereby reach good quick dispersion's effect, can distribute more evenly before hot-blast entering nozzle 3, thereby it is littleer to be convenient for the 3 spun hot-blast difference in temperature of nozzle of different positions.

In the embodiment, the length of the air distribution pipe 22 is the same as that of the reflection plate 23.

In the above embodiment, the length of the air distribution pipe 22 is the same as that of the reflection plate 23, and preferably, the air distribution pipe 22 and the reflection plate 23 have the same starting position and ending position, so that the air discharged from the air outlet 222 at any position of the air distribution pipe 22 can be reflected by the reflection plate 23, thereby ensuring more uniform distribution of the hot air.

In a specific embodiment, the length of the air distribution pipe 22 is slightly smaller than the length of the air distribution pipe 2.

In the above embodiment, preferably, both ends of the reflection plate 23 contact with the inner wall of the air distribution pipe 2, and both ends of the air distribution pipe 22 abut against the inner wall of the air distribution pipe 2 or the inner wall close to the air distribution pipe, at this time, the air discharged from the air outlet holes 222 of the air distribution pipe 22 can reach different positions inside the air distribution pipe 2 more quickly.

As shown in fig. 4, in the specific embodiment, the air distribution pipe further includes an air distribution hole plate 26, the air distribution hole plate 26 is fixedly installed on the inner bottom surface of the air distribution pipe 2, and a plurality of through holes 261 are formed in the air distribution hole plate 26 in an array.

In the above embodiment, the arrangement of the air distribution hole plate 26 further ensures that the hot air inside the air distribution pipe 2 can be distributed more uniformly before entering the nozzles 3 at different positions.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.