阅读说明：本技术 一种颗粒状干粉砂浆烘干设备 (Granular dry powder mortar drying equipment ) 是由 张晶晶 梁春林 于 2021-09-14 设计创作，主要内容包括：本发明公开了一种颗粒状干粉砂浆烘干设备,属于物料干燥技术领域,本发明可以使得颗粒状的干粉砂浆在落料腔内依靠重力作用下自主滚落,并通过竖立的缓速束对其滚落速度进行延缓,使其具有充分的时间进行烘干,同时利用热风吹起吸湿微球进入到落料腔,一方面可以直接对干粉砂浆进行冲击,加速水分脱离的同时有效剥离结块的干粉砂浆,另一方面可以跟随干粉砂浆同步滚落,并在接触过程中对其进行吸湿来转移水分,在经过滤球网时较小的吸湿微球被分离收集重新回到热风处等待被吹起,与现有的滚筒烘干机相比,本发明可以充分对干粉砂浆进行烘干,明显提高烘干效果及效率。(The invention discloses a drying device for granular dry-mixed mortar, belonging to the technical field of material drying, which can lead the granular dry-mixed mortar to automatically roll down in a blanking cavity under the action of gravity, the rolling speed of the drying machine is delayed by the vertical retarding beam, so that the drying machine has sufficient time for drying, meanwhile, the moisture absorption microspheres are blown by hot air to enter the blanking cavity, on one hand, the dry powder mortar can be directly impacted, the moisture separation is accelerated, simultaneously, the caked dry powder mortar is effectively stripped, on the other hand, the moisture absorption microspheres can synchronously roll down along with the dry powder mortar, and the moisture absorption microspheres absorb moisture to transfer the moisture in the contact process, the smaller moisture absorption microspheres are separated and collected when passing through the filter net and then return to the hot air to wait for being blown up, compared with the existing drum dryer, the invention can fully dry the dry powder mortar, and obviously improves the drying effect and efficiency.)

1. The utility model provides a graininess dry powder mortar drying equipment, includes stoving seat (1), its characterized in that: the drying device is characterized in that a blanking cavity which is downwards inclined from left to right is formed in the upper end of the drying seat (1), a gas storage cavity is formed in the lower end of the drying seat (1), the bottom wall of the gas storage cavity is downwards inclined from right to left, an air inlet pipe (2) is embedded and installed at the left end of the drying seat (1), a ball collecting groove is formed in the bottom wall of the gas storage cavity, a plurality of uniformly distributed air vents are formed in the bottom wall of the ball collecting groove and communicated with the air inlet pipe (2), a plurality of injection pipes (4) corresponding to the air vents are arranged on the upper side of the ball collecting groove, the upper end of each injection pipe (4) is fixedly connected with the top wall of the gas storage cavity, a plurality of injection holes corresponding to the injection pipes (4) are formed in the bottom wall of the blanking cavity, a plurality of uniformly distributed air vents are further formed in the bottom wall of the blanking cavity, filter ball holes communicated with the gas storage cavity are formed in the lower side of the blanking cavity, and a filter ball net (3) is fixedly connected with the filter ball holes, a plurality of uniformly distributed retarding bundles (5) are fixedly connected to the bottom wall of the blanking cavity, and a plurality of moisture absorption microspheres (6) are placed in the ball collecting groove.

2. The drying equipment for the granular dry-mixed mortar according to claim 1, which is characterized in that: the injection pipe (4) comprises a straight pipe (41) with the same diameter and an expanding sleeve (42) fixedly connected to the lower end of the straight pipe (41) with the same diameter, and the expanding sleeve (42) is in an inverted funnel shape.

3. The drying equipment for the granular dry-mixed mortar according to claim 2, which is characterized in that: the cross-sectional shape of ball collecting groove is the arc, and the tangent extension line of arc outward flange passes through hole enlargement cover (42).

4. The drying equipment for the granular dry-mixed mortar according to claim 1, which is characterized in that: fixedly connected with magnetism holds in the palm net (7) between collection ball groove and the air vent, the aperture that magnetism held in the palm net (7) is less than moisture absorption microballon (6), the aperture of filter screen net (3) is greater than moisture absorption microballon (6).

5. The drying equipment for the granular dry-mixed mortar according to claim 1, which is characterized in that: the retarding bundle (5) comprises a point heat cell (51), a delaying column (52) and a plurality of peeling prickling needles (53), wherein the delaying column (52) is fixedly connected to the bottom wall of the blanking cavity, the point heat cell (51) is fixedly connected to the upper end of the delaying column (52), and the peeling prickling needles (53) are uniformly connected to the left end of the delaying column (52).

6. The drying equipment for the granular dry-mixed mortar according to claim 5, which is characterized in that: the delaying column (52) is made of elastic moisture absorption materials, and the peeling pricker (53) is made of hard heat conduction materials.

7. The drying equipment for the granular dry-mixed mortar according to claim 5, which is characterized in that: the spot heating bag (51) comprises an outer encapsulating bag (511) and a plurality of heat conducting sheets (512), wherein the heat conducting sheets (512) uniformly cover the outer surface of the outer encapsulating bag (511), and heat conducting oil is filled in the outer encapsulating bag (511).

8. The drying equipment for the granular dry-mixed mortar according to claim 7, which is characterized in that: the spot heat bag (51) further comprises a hollow heat conduction ball (513) and a plurality of friction particles (514), wherein the hollow heat conduction ball (513) is immersed in the heat conduction oil, and the friction particles (514) are filled inside the hollow heat conduction ball (513).

9. The drying equipment for the granular dry-mixed mortar according to claim 1, which is characterized in that: the moisture absorption microsphere (6) comprises an outer moisture absorption layer (61), an inner weight loss core (62) and a plurality of elastic branch wires (63), wherein the outer moisture absorption layer (61) is sleeved on the outer side of the inner weight loss core (62), and the elastic branch wires (63) are uniformly connected between the outer moisture absorption layer (61) and the inner weight loss core (62).

10. The drying equipment for the granular dry-mixed mortar according to claim 9, which is characterized in that: the outer moisture absorption layer (61) is made of elastic moisture absorption materials, the inner weight reducing core (62) is made of light materials, and iron powder is filled between the outer moisture absorption layer (61) and the inner weight reducing core (62).

Technical Field

The invention relates to the technical field of material drying, in particular to a drying device for granular dry-mixed mortar.

Background

The dry powder mortar is a granular or powdery material which is formed by physically mixing dry and screened aggregate, an inorganic cementing material, an additive and the like according to a certain proportion, is transported to a construction site in a bag or in bulk, and can be directly used after being mixed with water. Also known as mortar dry powder, dry mix, some construction adhesives also fall into this category. The dry powder mortar plays roles of bonding, lining, protection and decoration in a thin layer in the construction industry, and has extremely wide application in construction and decoration engineering. With the development of the building and decoration industries, the application of the dry powder mortar is more and more extensive.

At present, in the process of producing dry powder mortar, drying is an important process, and in the drying process of the dry powder mortar, a roller type dryer is mostly adopted, and hot air passes through rolling dry powder mortar, so that heating is realized and water vapor is taken away.

However, the dry powder mortar is accumulated together, the phenomena of uneven heating and insufficient drying are easy to occur, particularly, the dry powder mortar with high humidity is easy to agglomerate, and the drying effect and efficiency of the dry powder mortar are poor due to the fact that the common roller is difficult to effectively dry through heating.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a drying device for granular dry powder mortar, the granular dry-mixed mortar can automatically roll down in the blanking cavity under the action of gravity, and the rolling speed of the granular dry-mixed mortar is delayed by the vertical retarding beam, so that the granular dry-mixed mortar has sufficient time for drying, meanwhile, the moisture absorption microspheres are blown by hot air to enter the blanking cavity, on one hand, the dry powder mortar can be directly impacted, the moisture separation is accelerated, simultaneously, the caked dry powder mortar is effectively stripped, on the other hand, the moisture absorption microspheres can synchronously roll down along with the dry powder mortar, and the moisture absorption microspheres absorb moisture to transfer the moisture in the contact process, the smaller moisture absorption microspheres are separated and collected when passing through the filter net and then return to the hot air to wait for being blown up, compared with the existing drum dryer, the invention can fully dry the dry powder mortar, and obviously improves the drying effect and efficiency.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A drying device for granular dry powder mortar comprises a drying seat, wherein a blanking cavity inclining downwards from left to right is formed in the upper end of the drying seat, a gas storage cavity is formed in the lower end of the drying seat, the bottom wall of the gas storage cavity inclines downwards from right to left, an air inlet pipe is embedded and installed at the left end of the drying seat, a ball collecting groove is formed in the bottom wall of the gas storage cavity, a plurality of air holes distributed uniformly are formed in the bottom wall of the ball collecting groove and communicated with the air inlet pipe, a plurality of jet pipes corresponding to the air holes are arranged on the upper side of the ball collecting groove, the upper ends of the jet pipes are fixedly connected with the top wall of the gas storage cavity, a plurality of jet holes corresponding to the jet pipes are formed in the bottom wall of the blanking cavity, a plurality of jet holes distributed uniformly are further formed in the bottom wall of the blanking cavity, filter ball holes communicated with the gas storage cavity are formed in the lower side of the blanking cavity, and a filter ball net is fixedly connected in the filter ball holes, a plurality of uniformly distributed retarding beams are fixedly connected to the bottom wall of the blanking cavity, and a plurality of moisture absorption microspheres are placed in the ball collecting groove.

Furthermore, the injection pipe comprises a straight pipe with the same diameter and an expanding sleeve fixedly connected to the lower end of the straight pipe with the same diameter, the expanding sleeve is in an inverted funnel shape, the expanding sleeve can collect as much hot air as possible to blow the moisture absorption microspheres, and meanwhile the moisture absorption microspheres can be guaranteed to smoothly enter the straight pipe with the same diameter after being blown.

Furthermore, the cross section of the ball collecting groove is arc-shaped, and the extension line of the tangent line of the outer edge of the arc-shaped groove passes through the expanding sleeve, so that the probability that the moisture-absorbing microspheres smoothly enter the expanding sleeve is greatly improved, and the phenomenon of falling off from the ball collecting groove is not easy to occur.

Further, fixedly connected with magnetism holds in the palm the net between collection ball groove and the air vent, the aperture that the net was held in the palm to magnetism is less than the moisture absorption microballon, the aperture of filter ball net is greater than the moisture absorption microballon, and the magnetism holds in the palm the net and both can intercept the moisture absorption microballon, also satisfies hot-blast passing through simultaneously.

Furthermore, the retarding bundle comprises a point heat bag, a delaying column and a plurality of stripping prickling needles, the delaying column is fixedly connected to the bottom wall of the blanking cavity, the point heat bag is fixedly connected to the upper end of the delaying column, the stripping prickling needles are uniformly connected to the left end of the delaying column, the point heat bag can be in contact with the dry powder mortar to be directly heated and dried, the delaying column plays a role in delaying the rolling off of the dry powder mortar, the delaying column has sufficient time to dry the dry powder mortar, the stripping prickling needles can perform multi-point impact on the contacted dry powder mortar, and the stripping of the caked dry powder mortar is facilitated, so that the drying effect is improved.

Furthermore, the delaying column is made of elastic moisture absorption materials, and the peeling pricker is made of hard heat conduction materials.

Further, some heat exchanger bags include outer cyst and multi-disc conducting strip, the conducting strip evenly covers in outer cyst surface, outer cyst intussuseption is filled with the conduction oil, and the outer cyst can carry out elastic deformation, then relies on the heat conductivity of conducting strip to heat the dry powder mortar, utilizes the smooth nature of conducting strip to be difficult for causing the delay of dry powder mortar simultaneously, and the conduction oil both can absorb the heat, also can satisfy the deformation that the outer cyst received the extrusion simultaneously.

Furthermore, the point heat bag also comprises a hollow heat conduction ball and a plurality of friction particles, the hollow heat conduction ball is immersed in the heat conduction oil, the friction particles are filled inside the hollow heat conduction ball, vibration action can be performed to a certain degree after the slow beam is collided or hot air acts, the friction particles contact and rub with each other in the hollow heat conduction ball to generate heat, and the heat is transferred to the heat conduction plate through the heat conduction oil, so that the heating effect of the dry powder mortar is improved, meanwhile, the point heat bag can be integrally weighted, and the stability of the slow beam is improved to promote the delay effect of the dry powder mortar.

Furthermore, the moisture absorption microsphere comprises an outer moisture absorption layer, an inner weight reduction core and a plurality of elastic branch wires, the outer moisture absorption layer is sleeved outside the inner weight reduction core, the elastic branch wires are uniformly connected between the outer moisture absorption layer and the inner weight reduction core, the outer moisture absorption layer can deform to a certain degree to be attached to dry powder mortar, then moisture on the dry powder mortar is absorbed, hot air stored between the outer moisture absorption layer and the inner weight reduction core is extruded to be in direct contact with the dry powder mortar, the drying effect of the dry powder mortar can be greatly improved, and the moisture absorption microsphere after absorbing the moisture can be heated intensively by hot air when being recovered to the magnetic support net, the moisture can be evaporated quickly, and the moisture absorption capability is recovered.

Furthermore, the outer moisture absorption layer is made of elastic moisture absorption materials, the inner weight reduction core is made of light materials, iron powder is filled between the outer moisture absorption layer and the inner weight reduction core, the filled iron powder enables the moisture absorption microspheres to be actively absorbed by the magnetic support net and can absorb certain moisture, and the attaching effect between the deformed outer moisture absorption layer and dry powder mortar can be improved.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) the scheme can enable granular dry-mixed mortar to automatically roll down under the action of gravity in the blanking cavity, and the rolling speed of the granular dry-mixed mortar is delayed through the vertical retarding beam, so that the granular dry-mixed mortar has sufficient time for drying, and meanwhile, the moisture absorption microspheres are blown by hot air to enter the blanking cavity, on one hand, the granular dry-mixed mortar can be directly impacted, the agglomerated dry-mixed mortar is effectively stripped while the moisture separation is accelerated, on the other hand, the granular dry-mixed mortar can synchronously roll down along with the dry-mixed mortar, and the moisture absorption microspheres are absorbed in the contact process to transfer moisture, and when the granular dry-mixed mortar passes through the filtering net, the smaller moisture absorption microspheres are separated, collected and return to the hot air to wait to be blown.

(2) The slow beam comprises a point heat bag, a delay column and a plurality of stripping prickling needles, the delay column is fixedly connected to the bottom wall of the blanking cavity, the point heat bag is fixedly connected to the upper end of the delay column, the stripping prickling needles are uniformly connected to the left end of the delay column, the point heat bag can be in contact with dry powder mortar to perform direct heating and drying, the delay column plays a role in delaying the rolling off of the dry powder mortar, the delay column has sufficient time to perform drying, the stripping prickling needles can perform multi-point impact on the contacted dry powder mortar, the stripping of the caked dry powder mortar is facilitated, and therefore the drying effect is improved.

(3) Some heat exchanger bags include outer cyst and multi-disc conducting strip, and the conducting strip evenly covers in outer cyst surface, and outer cyst intussuseption is filled with the conduction oil, and the outer cyst can carry out elastic deformation, then relies on the heat conductivity of conducting strip to heat the dry powder mortar, utilizes the smooth nature of conducting strip to be difficult for causing the delay of dry powder mortar simultaneously, and the conduction oil both can absorb the heat, also can satisfy the deformation of outer cyst after receiving the extrusion simultaneously.

(4) The point heat bag still includes cavity heat conduction ball and a plurality of friction granule, cavity heat conduction ball submergence is in the conduction oil, the friction granule is filled in cavity heat conduction ball inboard, all can take place certain degree vibration action after the slow speed bundle receives the effect of collision or hot-blast, the friction granule is in cavity heat conduction ball internal mutual contact friction then produces the heat, and transmit to the heat conduction piece through the conduction oil, thereby improve the heating effect to the dry powder mortar, can carry out whole weight gain to the point heat bag simultaneously, the stability that improves the slow speed bundle promotes the effect of delaying to the dry powder mortar.

(5) The moisture absorption microsphere comprises an outer moisture absorption layer, an inner weight reduction core and a plurality of elastic support wires, the outer moisture absorption layer is sleeved outside the inner weight reduction core, the elastic support wires are uniformly connected between the outer moisture absorption layer and the inner weight reduction core, the outer moisture absorption layer can be deformed to a certain degree to be attached to dry powder mortar, then moisture on the dry powder mortar is absorbed, hot air and the dry powder mortar are extruded out and are stored between the outer moisture absorption layer and the inner weight reduction core, the drying effect on the dry powder mortar can be greatly improved, the moisture absorption microsphere after moisture absorption can be heated in a hot air centralized mode when being recovered to a magnetic support net, the moisture can be evaporated quickly, and the moisture absorption capacity is recovered.

(6) Outer moisture-absorbing layer adopts elasticity moisture-absorbing material to make, and interior heavy core that subtracts adopts light material to make, and outer moisture-absorbing layer and interior subtract still packing have the iron powder between the heavy core, fill the iron powder and not only make the moisture-absorbing microballon can initiatively held in the palm the net by magnetism and adsorb certain moisture simultaneously to can also improve the laminating effect between the deformation back of outer moisture-absorbing layer and the dry powder mortar.

Drawings

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

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a schematic view of the structure at A in FIG. 2;

FIG. 4 is a schematic view of the structure of the ball collecting groove of the present invention;

FIG. 5 is a schematic view of a retarder beam according to the present invention;

FIG. 6 is a schematic view of a point heat cell according to the present invention;

FIG. 7 is a schematic view of the structure of the absorbent microspheres of the present invention;

FIG. 8 is a schematic structural view of the hygroscopic microspheres of the present invention in contact with dry mortar;

FIG. 9 is a schematic structural view of the dry-mixed mortar of the present invention when rolling off;

fig. 10 is a schematic view of a structure of a related art drum dryer.

The reference numbers in the figures illustrate:

1 drying seat, 2 air inlet pipes, 3 filter nets, 4 spraying pipes, 41 straight pipes with the same diameter, 42 expanding sleeves, 5 retarding bundles, 51-point heat bags, 511 outer encapsulation bags, 512 heat conducting sheets, 513 hollow heat conducting balls, 514 friction particles, 52 retarding columns, 53 peeling felting needles, 6 moisture absorbing microspheres, 61 outer moisture absorbing layers, 62 inner weight reducing cores, 63 elastic support wires and 7 magnetic support nets.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-2, a drying device for granular dry-mixed mortar comprises a drying seat 1, wherein a blanking chamber inclined downwards from left to right is arranged at the upper end of the drying seat 1, a gas storage chamber is arranged at the lower end of the drying seat 1, the bottom wall of the gas storage chamber is inclined downwards from right to left, an air inlet pipe 2 is embedded at the left end of the drying seat 1, a ball collecting groove is arranged on the bottom wall of the gas storage chamber, a plurality of uniformly distributed vent holes are arranged on the bottom wall of the ball collecting groove and communicated with the air inlet pipe 2, a plurality of injection pipes 4 corresponding to the vent holes are arranged at the upper side of the ball collecting groove, the upper ends of the injection pipes 4 are fixedly connected with the top wall of the gas storage chamber, a plurality of injection holes corresponding to the injection pipes 4 are arranged on the bottom wall of the blanking chamber, a plurality of uniformly distributed air injection holes are also arranged on the bottom wall of the blanking chamber, filter ball holes communicated with the gas storage chamber are arranged at the lower side of the blanking chamber, a filter ball net 3 is fixedly connected in the filter ball holes, a plurality of evenly distributed retarding beams 5 are fixedly connected to the bottom wall of the blanking cavity, and a plurality of moisture absorption microspheres 6 are placed in the ball collecting groove.

Referring to fig. 3, the injection pipe 4 includes a straight pipe 41 having the same diameter and an expanding sleeve 42 fixedly connected to the lower end of the straight pipe 41 having the same diameter, and the expanding sleeve 42 is in an inverted funnel shape, and the expanding sleeve 42 can collect as much hot air as possible to blow the moisture absorbing microspheres 6, and can ensure that the moisture absorbing microspheres 6 can smoothly enter the straight pipe 41 having the same diameter after being blown.

The cross-sectional shape of ball collecting groove is the arc, and the tangent extension line of arc outward flange passes through hole enlargement cover 42, can improve the probability that moisture absorption microballon 6 smoothly gets into hole enlargement cover 42 by very big degree, is difficult for appearing the phenomenon that drops from ball collecting groove.

Referring to fig. 4, a magnetic support net 7 is fixedly connected between the ball collecting groove and the vent hole, the aperture of the magnetic support net 7 is smaller than that of the moisture absorbing microspheres 6, the aperture of the filter ball net 3 is larger than that of the moisture absorbing microspheres 6, and the magnetic support net 7 can intercept the moisture absorbing microspheres 6 and meet the requirement of passing hot air.

The magnetic support net 7 can be replaced by an electromagnet, the magnetic attraction force on the moisture absorption microspheres 6 is increased, and then the moisture absorption microspheres 6 can be blown up by hot air after the magnetic field is removed in a power-off mode.

Referring to fig. 5, the retarder 5 includes a point heat bag 51, a delay column 52 and a plurality of peeling prickles 53, the delay column 52 is fixedly connected to the bottom wall of the blanking cavity, the point heat bag 51 is fixedly connected to the upper end of the delay column 52, the peeling prickles 53 are uniformly connected to the left end of the delay column 52, the point heat bag 51 can be contacted with the dry mortar for direct heating and drying, the delay column 52 plays a role in delaying the rolling off of the dry mortar, so that the dry mortar has sufficient time for drying, and the peeling prickles 53 can perform multi-point impact on the contacted dry mortar, thereby being beneficial to peeling off the agglomerated dry mortar, and improving the drying effect.

The delay column 52 is made of elastic moisture absorption material, and the peeling spike 53 is made of hard heat conduction material.

Referring to fig. 6, the spot heating bag 51 includes an outer bag 511 and a plurality of heat conducting fins 512, the heat conducting fins 512 uniformly cover the outer surface of the outer bag 511, heat conducting oil is filled in the outer bag 511, the outer bag 511 can elastically deform, dry powder mortar is heated by the heat conducting fins 512, meanwhile, the dry powder mortar is not easily retained due to the smoothness of the heat conducting fins 512, the heat conducting oil can absorb heat, and the deformation of the outer bag 511 after being extruded can also be met.

The point heating bag 51 further comprises a hollow heat conduction ball 513 and a plurality of friction particles 514, the hollow heat conduction ball 513 is immersed in heat conduction oil, the friction particles 514 are filled inside the hollow heat conduction ball 513, a certain degree of vibration action can be generated after the slow beam 5 is collided or acted by hot air, the friction particles 514 are mutually contacted and rubbed in the hollow heat conduction ball 513 to generate heat and are transferred to the heat conduction sheet 512 through the heat conduction oil, so that the heating effect of dry powder mortar is improved, meanwhile, the point heating bag 51 can be integrally weighted, and the stability of the slow beam 5 is improved to promote the delaying effect of the dry powder mortar.

Referring to fig. 7-8, the moisture absorbing microspheres 6 include an outer moisture absorbing layer 61, an inner weight reducing core 62 and a plurality of elastic support wires 63, the outer moisture absorbing layer 61 is sleeved outside the inner weight reducing core 62, the elastic support wires 63 are uniformly connected between the outer moisture absorbing layer 61 and the inner weight reducing core 62, the outer moisture absorbing layer 61 can deform to a certain extent to be attached to the dry powder mortar, then absorb moisture on the dry powder mortar, and simultaneously extrude hot air stored between the outer moisture absorbing layer 61 and the inner weight reducing core 62 to directly contact with the dry powder mortar, so that the drying effect of the dry powder mortar can be greatly improved, and the moisture absorbing microspheres 6 after absorbing moisture can be heated intensively by hot air when being recycled to the magnetic support net 7, so that the moisture can be evaporated quickly, and then the moisture absorbing capacity can be recovered.

The moisture absorption microspheres 6 are light in overall weight, can be blown up by hot air, and can also be blown up by increasing the wind power.

The outer moisture absorption layer 61 is made of elastic moisture absorption materials, the inner weight reduction core 62 is made of light materials, iron powder is filled between the outer moisture absorption layer 61 and the inner weight reduction core 62, the filling degree of the iron powder can be 70-90%, a certain space is reserved for storing hot air, the iron powder is filled, so that the moisture absorption microspheres 6 can be actively adsorbed by the magnetic support net 7, meanwhile, the moisture absorption microspheres can absorb certain moisture, and the bonding effect between the deformed outer moisture absorption layer 61 and dry powder mortar can be improved.

It is worth noting that, in order to guarantee the hot blast volume of fumarole, can follow air-supply line 2 and draw pipeline and fumarole intercommunication, also can set the pipeline to the structure similar with injection pipe 4, make moisture absorption microballon 6 spout from a plurality of fumaroles, can improve peeling off and the stoving effect to caking dry powder mortar, but because moisture absorption microballon 6 more can lead to the blanking comparatively slowly, thereby holistic drying efficiency descends, can adopt above-mentioned means when the higher caking phenomenon of dry powder mortar humidity is comparatively serious, in addition the jet orifice, fumarole and filter screen net 3's aperture all should be less than the particle size of granular dry powder mortar, can carry out the screening operation before the stoving.

Referring to fig. 9, the granular dry-mixed mortar can automatically roll down in the blanking cavity under the action of gravity, the rolling speed of the granular dry-mixed mortar is delayed by the vertical retarding beams 5, the granular dry-mixed mortar has sufficient time for drying, meanwhile, the moisture-absorbing microspheres 6 are blown by hot air and enter the blanking cavity, on one hand, the dry-mixed mortar can be directly impacted, the agglomerated dry-mixed mortar is effectively stripped while the moisture is separated, on the other hand, the granular dry-mixed mortar can synchronously roll down along with the dry-mixed mortar, the granular dry-mixed mortar absorbs moisture in the contact process to transfer the moisture, and the smaller moisture-absorbing microspheres 6 are separated and collected to return to the hot air to be blown up when passing through the filter screen 3.

The above are merely preferred embodiments of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.