阅读说明：本技术 一种能长期储存面粉的面粉罐 (Flour jar capable of storing flour for long time ) 是由 吴栋 于 2021-09-02 设计创作，主要内容包括：本发明公开了一种能长期储存面粉的面粉罐,涉及面粉罐技术领域,包括罐体和密封盖,密封盖活动安装于罐体的上端,罐体的下端固定连接有底座,底座包括有内干燥系统,内干燥系统固定安装于罐体的下底面,内干燥系统的内部中间位置固定安装有循环风力供给系统。本发明通过增加干燥球,进行空气除湿干燥,干燥过程中氯化钙接触湿空气,吸收水分的同时放出大量的热,进一步对内部的空气进行干燥,增加防尘网,通过防尘网以及内部的聚尘绒毛将灰尘聚集在一起,更加方便后续罐体内部的灰尘清除,使得罐体内部更加卫生,灰尘聚集在聚尘绒毛表面后将由防尘网内部的吸水层将灰尘中的水分吸收去除,避免灰尘中含有的水分增大空气中的湿度。(The invention discloses a flour tank capable of storing flour for a long time, which relates to the technical field of flour tanks and comprises a tank body and a sealing cover, wherein the sealing cover is movably arranged at the upper end of the tank body, the lower end of the tank body is fixedly connected with a base, the base comprises an inner drying system, the inner drying system is fixedly arranged on the lower bottom surface of the tank body, and a circulating wind power supply system is fixedly arranged in the middle of the inner part of the inner drying system. According to the invention, the drying ball is additionally arranged to dehumidify and dry air, calcium chloride contacts the wet air in the drying process to absorb moisture and emit a large amount of heat at the same time, the air in the tank is further dried, the dustproof net is additionally arranged, dust is gathered together through the dustproof net and the dust-gathering fluff in the tank, the subsequent dust removal in the tank is more convenient, the interior of the tank is more sanitary, the moisture in the dust is absorbed and removed by the water absorption layer in the dustproof net after the dust is gathered on the surface of the dust-gathering fluff, and the moisture in the dust is prevented from increasing the humidity in the air.)

1. The utility model provides a flour jar of flour can be stored for a long time, includes jar body (1) and sealed lid (3), sealed lid (3) movable mounting is in the upper end of jar body (1), its characterized in that: the lower end of the tank body (1) is fixedly connected with a base (2);

the base (2) is including interior drying system (22), interior drying system (22) fixed mounting is in the lower bottom surface of jar body (1), the inside intermediate position fixed mounting of interior drying system (22) has circulation wind power supply system (21).

2. A flour can for long-term storage of flour as claimed in claim 1, wherein: interior drying system (22) is including dry ball (a), dry ball (a) fixed mounting is in the inside edge of base (2), fagging (b) in the left and right sides fixed mounting of dry ball (a), fagging (b) fixed mounting is between the inside and outside lateral wall of base (2) in, circulation hole (c) have been seted up on the inside wall surface of base (2).

3. A flour can for long-term storage of flour as claimed in claim 2, wherein: the drying ball (a) is in a hollow ellipsoidal shape, and is used for controlling the flow of circulating air inside the base (2) and dehumidifying inside the tank body (1).

4. A flour can for long-term storage of flour as claimed in claim 2, wherein: the inside upper end fixed mounting of dry ball (a) has drier filter screen (a1), the inside lower surface of dry ball (a) leans on left side fixed mounting to have accuse to flow pad (a2), moisture drying hole (a3) is seted up to the upper surface of dry ball (a).

5. The flour can for long-term storage of flour according to claim 4, wherein: the surface of the left side and the right side of the drying ball (a) are provided with flow guide holes (a4), the inside of the flow control pad (a2) is provided with turbulent flow channels (a5) in a left-right penetrating manner, and a flow control channel (a6) is arranged between the drying agent filter screen (a1) and the flow control pad (a 2).

6. The flour can for long-term storage of flour according to claim 5, wherein: the left side and the right side of the flow control channel (a6) are wide and the middle is narrow, the width of the right side of the flow control channel (a6) is larger than that of the left side, and the flow control channel (a6) can slow down the flow speed and the flow of the circulating airflow.

7. A flour can for long-term storage of flour as claimed in claim 1, wherein: the tank body (1) comprises a double-layer tank wall (11), a vacuum layer (12) is arranged in the middle of the inner side tank wall of the double-layer tank wall (11), and a dust screen (13) is fixedly arranged in the middle of the inner part of the double-layer tank wall (11).

8. A flour can for long-term storage of flour as claimed in claim 7, wherein: the upper and lower both sides surface of dust screen (13) is provided with strains dirt layer (131), the centre of straining dirt layer (131) is provided with water absorption layer (132), the upper and lower fixed surface of straining dirt layer (131) installs and gathers dirt fine hair (133).

Technical Field

The invention relates to a flour tank, relates to the technical field of flour tanks, and particularly relates to a flour tank capable of storing flour for a long time.

Background

The flour is a powdery material ground by wheat, and can be divided into high gluten flour, medium gluten flour, low gluten flour and non-gluten flour according to the content of protein in the flour, the flour (wheat flour) is staple food in most areas in northern China, the food made of the flour has various varieties and various styles, the flavor is different, the flour is usually stored or transported in bags when being stored, but the bag-packaged flour has great defects when being stored, the bag-packaged flour is easy to cause flour leakage, the flour bags cannot be sealed by hundreds of percent, the flour powder is usually gathered at the periphery of the flour bags, the transportation is inconvenient, the flour bags are only suitable for storage in a short period, and the flour bags have no moisture-proof performance, so the flour is easy to suffer from moisture and deteriorate when being stored for a long time, so the flour can is usually stored by a flour can when being stored for a long time, the flour tank is made of hard materials, is not easy to deform, has good sealing performance, is not easy to scatter outside, is more convenient to transport, has better moisture resistance relative to flour bags, and is more suitable for long-term storage of flour. The following problems exist in the prior art:

1. the existing flour tank is mainly subjected to moisture-proof treatment by adopting a tank body material interlayer, an overhead mode and the like, but the moisture-proof performance is poor, the moisture-proof effect is low only by adopting an overhead isolation mode and the like in a humid environment, the flour inside the flour is easy to damp, go mouldy and deteriorate, the storage time of the flour is limited, and the flour can not be stored for a long time under the condition of really ensuring the quality of the flour;

2. when the flour jar adopts the intermediate layer to keep apart dampproofing, can inevitable produce a small amount of dust in the inside intermediate layer, the dust is attached to on the intermediate layer inner wall of flour jar more easily in humid environment, and traditional flour jar intermediate layer generally adopts sealed processing, make inside dust can not in time clear away, lead to the dust gathering inside the intermediate layer, a small amount of moisture in the dust itself can absorb the air, the dust can't clear away the humidity that leads to the intermediate layer inside and increase, make flour wet rotten more easily.

Disclosure of Invention

The invention provides a flour can capable of storing flour for a long time, which aims to have the effect of enhancing drying and dehumidifying and solve the problem that flour is easy to damp and deteriorate during long-term storage; another purpose is to solve the problem of dust accumulation in the flour tank, so as to achieve the effects of absorbing moisture in the dust and facilitating dust removal.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows:

the flour tank capable of storing flour for a long time comprises a tank body and a sealing cover, wherein the sealing cover is movably mounted at the upper end of the tank body, and the lower end of the tank body is fixedly connected with a base.

The base is including interior drying system, interior drying system fixed mounting is in the lower bottom surface of jar body, the inside intermediate position fixed mounting of interior drying system has circulation wind-force feed system.

The technical scheme of the invention is further improved as follows: interior drying system is including dry ball, dry ball fixed mounting is in the inside edge of base, the left and right sides fixed mounting of dry ball has interior fagging, interior fagging fixed mounting is between the inside and outside lateral wall of base, the circulation hole has been seted up on the inside wall surface of base.

By adopting the technical scheme, the drying ball in the scheme is matched with the inner supporting plate to complete the air circulation flow in the base.

The technical scheme of the invention is further improved as follows: the drying ball is in a hollow ellipsoidal shape and is used for controlling the flow of circulating air in the base and dehumidifying the inside of the tank body.

The technical scheme of the invention is further improved as follows: the inside upper end fixed mounting of drying ball has the drier filter screen, the inside lower surface of drying ball leans on left side fixed mounting to have the accuse to flow to fill up, the upper surface of drying ball is seted up there is the moisture drying hole.

By adopting the technical scheme, the flow control pad in the scheme is matched with the drying agent filter screen to complete the placement of the drying agent and the molding of the specific space shape in the drying ball.

The technical scheme of the invention is further improved as follows: the surface of the left side and the surface of the right side of the drying ball are provided with flow guide holes, turbulent flow channels penetrate through the left side and the right side of the inside of the flow control pad, and the flow control channels are arranged between the drying agent filter screen and the flow control pad.

By adopting the technical scheme, the flow control channel in the scheme is matched with the turbulent flow channel to complete the flow speed and flow control of the circulating airflow.

The technical scheme of the invention is further improved as follows: the width of the left side and the width of the right side of the flow control channel are narrow in the middle, the width of the right side of the flow control channel is larger than that of the left side of the flow control channel, and the flow control channel can reduce the flow speed and the flow of circulating air flow.

The technical scheme of the invention is further improved as follows: the jar body is including double-deck jar wall, be provided with the vacuum layer in the middle of the inboard jar wall of double-deck jar wall, fixed mounting has the dust screen in the middle of the inside of double-deck jar wall.

By adopting the technical scheme, the vacuum layer in the scheme can weaken the propagation speed of moisture in the side wall of the tank body.

The technical scheme of the invention is further improved as follows: the dust filter is characterized in that dust filtering layers are arranged on the surfaces of the upper side and the lower side of the dustproof net, a water absorbing layer is arranged in the middle of each dust filtering layer, and dust gathering fluff is fixedly arranged on the upper surface and the lower surface of each dust filtering layer.

By adopting the technical scheme, the water absorption layer in the scheme is matched with the dust gathering fluff to gather dust in the tank body and absorb moisture in the dust.

Due to the adoption of the technical scheme, compared with the prior art, the invention has the technical progress that:

1. the invention provides a flour tank capable of storing flour for a long time, which is additionally provided with a drying ball, wherein a drying agent filter screen is arranged in the drying ball, calcium chloride particles serving as a drying agent are placed at the upper end of the drying agent filter screen, the drying ball is placed in a base, the upper end of the interior of the base is directly connected with a middle interlayer of a double-layer tank wall, when moist air is generated in a tank body or the middle interlayer, the moist air can enter the drying ball through moisture drying holes in the upper surface of the drying ball and is in contact reaction with calcium chloride on the drying agent filter screen to perform air dehumidification and drying, the calcium chloride is in contact with the moist air in the drying process to release a large amount of heat while absorbing moisture, the hot air enters the double-layer tank wall through the moisture drying holes again to heat the air in the interior, the air in the interior is further dried, the calcium chloride serves as the drying agent, powder and sticky substances generated after the drying reaction are dropped to the lower part of the drying ball through the drying agent filter screen Prevent that it from covering the drier and causing dry dehumidification effect to descend, increase jar dehumidification effect of internal portion through the reaction of dry ball and inside drier, guarantee simultaneously through the drier filter screen that the reactant after the reaction dehumidification can not lead to the fact the influence to subsequent drying effect.

2. The invention provides a flour can capable of storing flour for a long time, which is additionally provided with a dustproof net, a small amount of dust can be generated in the double-layer can wall in the using process, the dust can float in the double-layer can wall after being generated, the dustproof net can play a certain blocking role on the dust when passing through the dustproof net, meanwhile, dust-gathering fluff is arranged on the dustproof net, the dust-gathering fluff has the effect of being closer to the dust, compared with the can wall, the dust is more easily gathered and attached to the surface of the dust-gathering fluff when contacting the dust-gathering fluff, and the dust contains a small amount of dust, the dust is gathered on the surface of the dust-gathering fluff, then the moisture in the dust is absorbed and removed by a water absorption layer in the dustproof net, the moisture in the dust is prevented from increasing the humidity in the air, the flour in the can body is prevented from mildewing and deteriorating, and the dust is gathered together through the dustproof net and the dust-gathering fluff in the can, the dust in the follow-up jar of internal portion of body is clear away more convenient for jar internal portion is more sanitary for can avoid simultaneously that the sealed lid when opening inside dust flies to the flour in, causes flour quality and sanitary condition to descend.

3. The invention provides a flour tank capable of storing flour for a long time, which is additionally provided with a circulating wind power supply system, wherein the circulating wind power supply system generates a trace amount of flowing air through a fan therein, the flowing air enters a base through a circulating hole and flows between a drying ball and the side wall of the base, moisture absorbed by the drying ball in the drying process is stored at the lower end of the drying ball, the circulating air can drive the air in the whole base to flow through slow flow, the air flow of the base can bring the moisture in the drying ball out of the drying ball and out of the base through the circulating hole, the drying efficiency of the drying ball is increased, meanwhile, when the air in the base flows, the air at the bottom of the drying ball also flows directionally, the air pressure at the upper end of the drying ball is larger than the air pressure at the bottom of the drying ball due to the flowing air pressure difference, the wet air in the tank body rapidly flows back downwards to balance the air pressure, the gas backward flow leads to gaseous production directional flow, and the speed of flowing accelerates for the wet air of jar internal portion gets into the drying ball more easily and dries, increases drying efficiency, and the directional air current that produces when gaseous flow drives jar internal portion's dust and produces directional the floating, makes the dust move more easily and carries out the dust gathering to the dust screen surface, increases the gathering efficiency of dust.

4. The invention provides a flour tank capable of storing flour for a long time, which is additionally provided with a flow control pad and a flow control channel, wherein the flow control pad changes the shape of the inner bottom end of a drying ball to enable the inner bottom end of the drying ball to have the flow control channel, the flow control channel is designed in a mode that the left side and the right side are wider and narrower, and the width of the right side is larger than the width of the left side, a circulation hole is obliquely arranged in the inner side wall of a base, the oblique design enables airflow generated by a fan of a circulating wind power supply system to flow in a counterclockwise direction after entering the circulation hole, so that slow airflow passes through the drying ball from left to right, when the airflow passes through the drying ball, if the flow is too large or the flow velocity is too fast, an internal drying agent is blown away, the flow control channel and a turbulent flow channel are additionally arranged in the drying ball, when the airflow enters the flow control channel, the width of the flow control channel is gradually narrowed, so that the flow of the airflow passing through the flow control channel is gradually slowed down, but relatively, the air speed is accelerated, when a small-flow high-speed air flow passes through a narrow part in the middle of the flow control channel, the small-flow high-speed air flow enters a wide channel on the right side of the flow control channel, the width of the wide channel is increased, so that the flow speed of the same-flow air flow passing through a wide area is reduced, because the width of the right side is larger than that of the left side, the flow speed of solid air flow is slower than that of the left-side air flow, meanwhile, the turbulent flow channel separates part of air flow from the flow control channel, the right side generates collected air flows in different flow directions, the air flow impact at an included angle further reduces the air flow speed, the flow speed and the flow rate of control circulating air flow are reduced through the flow control channel and the turbulent flow channel layer, the drying agent in the drying ball is prevented from flying due to over-high air flow or over-flow, and meanwhile, the drying effect is prevented from being influenced by the backflow of wet air in the tank body due to over-moisture drying holes.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of the internal cross-sectional structure of the present invention;

FIG. 3 is a cross-sectional view of the base of the present invention;

FIG. 4 is a schematic cross-sectional view of a drying ball according to the present invention;

FIG. 5 is a schematic view of a double tank wall construction of the present invention;

fig. 6 is a schematic view of the dust screen structure of the present invention.

In the figure: 1. a tank body; 11. a double tank wall; 12. a vacuum layer; 13. a dust screen;

131. a dust filtering layer; 132. a water-absorbing layer; 133. collecting dust fluff;

2. a base; 21. a circulating wind power supply system; 22. an internal drying system;

a. drying the balls; b. an inner supporting plate; c. a circulation hole;

a1, desiccant screen; a2, flow control pad; a3, moisture drying holes; a4, flow guide holes; a5, turbulent flow channel; a6, a flow control channel;

3. and (7) sealing the cover.

Detailed Description

The present invention will be described in further detail with reference to the following examples:

example 1

As shown in figures 1-6, the invention provides a flour tank capable of storing flour for a long time, which comprises a tank body 1 and a sealing cover 3, wherein the sealing cover 3 is movably arranged at the upper end of the tank body 1, and the lower end of the tank body 1 is fixedly connected with a base 2.

In this embodiment, the can body 1 is used for internal dust removal and flour storage, the base 2 is used for bottom support and dehumidification and drying of the interior of the can body 1, and finally the can body 1 is sealed by the sealing cover 3.

As shown in fig. 1 to 6, in the present embodiment, preferably, the base 2 includes an inner drying system 22, the inner drying system 22 is fixedly installed on the lower bottom surface of the tank 1, a circulating wind power supply system 21 is fixedly installed at a middle position inside the inner drying system 22, the inner drying system 22 includes a drying ball a, the drying ball a is fixedly installed on an inner edge of the base 2, inner supporting plates b are fixedly installed on left and right sides of the drying ball a, the inner supporting plates b are fixedly installed between inner and outer sidewalls of the base 2, a circulating hole c is formed on a surface of the inner sidewall of the base 2, the circulating wind power supply system 21 generates a small amount of flowing air by a fan therein, the flowing air enters the base 2 through the circulating hole c and flows between the drying ball a and the sidewall of the base 2, moisture absorbed by the drying ball a during drying is stored at a lower end of the drying ball a, the circulating air can drive the air in the whole base 2 to flow through slow flow, the air flow in the base 2 can bring the moisture in the drying ball a out of the drying ball a and bring the moisture out of the base 2 through the circulating hole c, the drying efficiency of the drying ball a is increased, meanwhile, when the air in the base 2 flows, the air at the bottom of the drying ball a also flows directionally, the air pressure at the upper end of the drying ball a is larger than the air pressure at the bottom of the drying ball a due to the flowing air, the generated air pressure difference enables the wet air in the tank body 1 to rapidly flow downwards to perform balance on the air pressure, the air backflow leads the air to generate directional flow, the flowing speed is accelerated, the wet air in the tank body 1 is easier to enter the drying ball a for drying, the drying efficiency is increased, and the directional air flow generated during the air flow drives the dust in the tank body 1 to generate directional floating, so that the dust is easier to move to the surface of the dustproof net 13 for dust collection, the dust collecting efficiency is increased.

Example 2

As shown in fig. 1 to 6, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the drying ball a is in a hollow ellipsoid shape, and is used for circulating air to control flow in the base 2 and dehumidifying in the tank body 1, a drying agent filter screen a1 is fixedly installed at the upper end in the drying ball a, a flow control pad a2 is fixedly installed near the left side of the lower surface in the drying ball a, and a moisture drying hole a3 is formed in the upper surface of the drying ball a.

In this embodiment, a desiccant screen a1 is disposed inside a desiccant ball a, calcium chloride particles are disposed at the upper end of a desiccant screen a1 as a desiccant, the desiccant ball a is disposed inside a base 2, the upper end of the inside of the base 2 is directly connected to the middle interlayer of a double-layer tank wall 11, when moist air is generated inside a tank body 1 or the middle interlayer, the moist air enters the inside of the desiccant ball a through a moisture drying hole a3 on the upper surface of the desiccant ball a and reacts with calcium chloride on the desiccant screen a1 to perform air dehumidification and drying, the calcium chloride contacts the moist air during the drying process to absorb moisture and release a large amount of heat, the hot air enters the inside of the double-layer tank wall 11 through the moisture drying hole a3 again to heat the inside air, the inside air is further dried, the calcium chloride serves as a desiccant, powder and sticky substances generated after the drying reaction are dropped to the lower part of the desiccant ball a through the desiccant screen a1, prevent that it from covering the drier and causing the dry dehumidification effect to descend, increase the dehumidification effect of jar internal portion through the reaction of dry ball a and inside drier, guarantee simultaneously through drier filter screen a1 that the reactant after the reaction dehumidification can not lead to the fact the influence to subsequent drying effect.

Example 3

As shown in fig. 1 to 6, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the surfaces of the left side and the right side of the drying ball a are provided with flow guide holes a4, the inside of the flow control pad a2 is provided with turbulent flow channels a5 in a left-right penetrating manner, a flow control channel a6 is arranged between the drying agent filter screen a1 and the flow control pad a2, the left side and the right side of the flow control channel a6 are wide and the middle is narrow, the width of the right side of the flow control channel a6 is larger than that of the left side, and the flow control channel a6 can slow down the flow speed and the flow of the circulating air flow.

In this embodiment, the flow control pad a2 changes the shape of the bottom end of the drying ball a, so that a flow control channel a6 appears at the bottom end of the drying ball a, the flow control channel a6 is designed in such a way that the left and right sides are wider and narrower in the middle and the width of the right side is greater than that of the left side, the circulation hole c is designed in an inclined way in the inner side wall of the base 2, the inclined way enables the airflow generated by the fan of the circulating wind power supply system 21 to enter the circulation hole c and then to flow in a counterclockwise direction, so that the slow airflow passes through the drying ball a from the left to the right, when the airflow passes through the drying ball a, the internal desiccant is blown away if the flow rate is too high or too high, the flow control channel a6 and the turbulent flow channel a5 are added inside the drying ball a, when the airflow enters the flow control channel a6, the width of the flow control channel a6 is gradually narrowed, so that the airflow passing through the flow control channel a6 is reduced, but the opposite, the airflow speed is accelerated, and when the low-flow high-speed airflow passes through the narrow place in the middle of the flow control channel 6, the flow control channel a6, the width of the channel is increased by the wide channel, so that the flow speed of airflow with the same flow rate passing through a wide area is reduced, because the width of the right side is larger than that of the left side, the flow speed of solid airflow is slower than that of the airflow on the left side, meanwhile, the turbulent flow channel a5 separates partial airflow from the flow control channel a6, collected airflow with different flow directions is generated on the right side, airflow impact at an included angle further reduces the flow speed of the airflow, the flow speed and the flow of control circulating airflow are reduced layer by layer through the flow control channel a6 and the turbulent flow channel a5, the desiccant in the drying ball a is prevented from scattering caused by too fast airflow or too large flow, and meanwhile, the drying effect is prevented from being influenced by wet air backflow in the tank body 1 caused by the circulating airflow in the drying ball a passing through the moisture drying hole a 3.

Example 4

As shown in fig. 1 to 6, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the tank body 1 comprises a double-layer tank wall 11, a vacuum layer 12 is arranged in the middle of the inner tank wall of the double-layer tank wall 11, a dust screen 13 is fixedly arranged in the middle of the inner portion of the double-layer tank wall 11, dust filtering layers 131 are arranged on the surfaces of the upper side and the lower side of the dust screen 13, a water absorbing layer 132 is arranged in the middle of the dust filtering layers 131, and dust gathering fluff 133 is fixedly arranged on the upper surface and the lower surface of the dust filtering layers 131.

In this embodiment, a small amount of dust is generated inside the double-layer tank wall 11 in the using process, the dust floats inside the double-layer tank wall 11 after being generated, when passing through the dust screen 13, the dust screen 13 can play a certain role in blocking the dust, meanwhile, the dust-gathering fluff 133 is arranged on the dust screen 13, the dust-gathering fluff 133 has an effect of being closer to the dust, compared with the tank wall, the dust is more easily gathered and attached to the surface of the dust-gathering fluff 133 when contacting the dust-gathering fluff 133, and the dust contains a small amount of moisture, the dust is gathered on the surface of the dust-gathering fluff 133, and then the moisture in the dust is absorbed and removed by the water-absorbing layer 132 inside the dust screen 13, so that the moisture in the air is prevented from increasing the humidity in the air, so that the flour inside the tank body 1 is mildewed and deteriorated, and the dust is gathered together through the dust screen 13 and the dust-gathering fluff 133 inside, the dust in the follow-up jar body 1 is more convenient to clear away for jar body 1 is inside more sanitary, can avoid simultaneously sealed lid 3 when opening inside dust to fly to the flour in, causes flour quality and sanitary condition to descend.

The operation of the flour container capable of storing flour for a long period of time will be described in detail below.

As shown in fig. 1-6, a desiccant screen a1 is arranged inside a drying ball a, calcium chloride particles are placed at the upper end of a desiccant screen a1 as a desiccant, the drying ball a is placed inside a base 2, the upper end inside the base 2 is directly connected with the middle interlayer of a double-layer tank wall 11, when moist air is generated inside the tank body 1 or the middle interlayer, the moist air enters the drying ball a through a moisture drying hole a3 on the upper surface of the drying ball a and is in contact reaction with calcium chloride on the desiccant screen a1 to perform air dehumidification and drying, a small amount of dust is generated inside the double-layer tank wall 11 in the use process, the dust floats inside the double-layer tank wall 11 after being generated, when passing through a dust screen 13, the dust screen 13 can play a certain role in blocking the dust, and meanwhile, dust collecting fluff 133 is arranged on the dust screen 13, and the dust collecting fluff 133 has a more close dust effect, compared with the tank wall, dust is easier to gather and adhere to the surface of the dust-gathering fluff 133 when contacting the dust-gathering fluff 133, and a small amount of moisture is contained in the dust, and the moisture in the dust is absorbed and removed by the water absorption layer 132 inside the dust screen 13 after the dust gathers on the surface of the dust-gathering fluff 133.

The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, modifications or improvements are within the scope of the invention without departing from the spirit of the inventive concept.