CN209952254U - Spray drying tower for medicine field - Google Patents

Abstract

The utility model discloses a spray drying tower for medicine field, its technical scheme main points are: the drying tower comprises a drying tower body, a hot air pipe which is led into the drying tower body from the upper part of the drying tower body, and a discharge pipe which is arranged at the bottom of the drying tower body and is communicated with the interior of the drying tower body, wherein an air blower is arranged in the discharge pipe, the discharge pipe is arranged on the peripheral surface of the bottom of the drying tower body, and a circulating device which blows materials from the bottom of the drying tower to the upper part of the drying tower body is arranged at the bottom of the drying tower; the circulating device comprises a second suction fan placed on the ground, a blowing port of the second suction fan is connected with a blowing pipe, and a port of the blowing pipe is communicated with the bottom of the drying tower. The utility model has the advantages that: the retention time of the materials in the drying tower body is increased, and the drying efficiency of the materials is guaranteed.

Description

Spray drying tower for medicine field

Technical Field

The utility model relates to a dry technical field, concretely relates to spray drying tower for medicine field.

Background

The spray drying tower is used for drying biological pesticide, medicine and food microbe. Spray drying is a drying process in which a raw material liquid is put into an atomizer to be separated into droplets, and hot air or other gases are directly contacted with the droplets to obtain a product in the shape of powder particles.

The Chinese patent with publication number CN106563283A discloses a spray drying tower, which comprises a drying air pipe, a material pipe, a drying tower body, a spray head, a drying air inlet, a tower wall, an inner cavity and a discharge hole, wherein the drying air inlet, the drying air pipe and the material pipe are all arranged at the top of the drying tower body, and the spray head is arranged at the tail end of the material pipe; the discharge port is obliquely arranged below the drying tower body, the spray drying tower is also provided with a water atomization pipe, the water atomization pipe is provided with a suction pipe opening, and a dust remover is arranged between the water atomization pipe and the suction pipe opening; the magnetron is arranged on the tower wall of the drying tower body and is uniformly distributed along the circumferential direction of the drying tower body; the tail end of the discharge port is provided with a movable baffle. The material pipe enters the drying tower body through the water mist sprayed by the spray head and is heated by the hot air in the drying tower body, so that the water in the water mist is evaporated, and the solid in the water mist falls at the bottom of the drying tower body under the action of the gravity of the solid.

If the material sprays when this is internal at the drying tower, if material injection speed is too fast, the moisture in some materials is not totally evaporated by steam inevitably, and the moisture in the material is not totally evaporated, flows into the bottom of drying tower body and extremely easily influences other dry materials.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a spray drying tower for hospital's field, its advantage has increased the dwell time of material in drying tower body inside, has ensured the drying efficiency of material.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a spray drying tower for the field of medicine comprises a drying tower body, a hot air pipe which is led into the drying tower body from the upper part of the drying tower body, and a discharge pipe which is arranged at the bottom of the drying tower body and is communicated with the interior of the drying tower body, wherein an air blower is arranged in the discharge pipe, the discharge pipe is arranged on the peripheral surface of the bottom of the drying tower body, and a circulating device which blows materials from the bottom of the drying tower to the upper part of the drying tower body is arranged at the bottom of the drying tower;

the circulating device comprises a second suction fan placed on the ground, a blowing port of the second suction fan is connected with a blowing pipe, and a port of the blowing pipe is communicated with the bottom of the drying tower.

Through the technical scheme, liquid material sprays when this is internal at the drying tower, the heating of the interior air of hot-blast pipe received, make the moisture in the liquid material evaporate, and the solid in the material can be fallen in the bottom of drying tower body with the situation, because liquid material sprays inhomogeneously, can lead to the moisture of some materials not to evaporate completely, so circulating device's setting has improved the evaporation efficiency of moisture, the second suction fan starts to blow in the drying tower body with outside air from the bottom of drying tower body, thereby make the reciprocal at this internal circulation of drying tower of material of whereabouts wave, thereby material and hot-air's contact time has been increased, make the moisture evaporation of complete evaporation fall, and the solid can be in the inlet and outlet material pipe is inhaled under the effect of fan, get into next mechanism, the vapor complete evaporation in the guarantee material.

The utility model discloses further set up to: the air outlet of the second suction fan is connected with a heating mechanism for heating air, the heating mechanism comprises a heating box and a plurality of second ventilation pipes which are distributed along the length direction in the heating box, and the peripheral surfaces of the ventilation pipes are provided with electric heating rods; and the air outlet of the second suction fan is communicated with one end of the heating box, and the other end of the heating box is communicated with the blowing pipe.

Through above-mentioned technical scheme, heating device's setting is guaranteed to blow in this internal air of drying tower and is the hot-air to not only make the material fly in this internal at the drying tower under the blowing of air, also improved the evaporation efficiency to moisture in the material moreover, ensured the inside temperature of drying tower body. And the heating mechanism has simple structure and obvious effect.

The utility model discloses further set up to: the electric heating rods are spirally distributed along the length direction of the second ventilation pipe.

Through above-mentioned technical scheme, the electric heating rod distributes along the length direction of second ventilation pipe for to the more balanced of second ventilation pipe heating, ensured through the inside air of second ventilation pipe can both be even receive the heating effect.

The utility model discloses further set up to: the bottom rigid coupling in the drying tower has one and the drying tower in the supporting box that communicates each other, and supporting box one side is open structure, the one end of blowing pipe and the bottom intercommunication of supporting box, the hot-blast main is fixed in supporting box and supporting box one side that the opening is relative and with the inside intercommunication of supporting box, it is used for the direction filter assembly of material direction hot-blast main to be provided with the dismantlement connection in the box to hold.

Through above-mentioned technical scheme, the air blows in into the drying tower body through drying tower body bottom in, in order to prevent that the material from entering into the blast pipe, so be provided with direction filter assembly in the bottom of drying tower body, one can prevent that the material from entering into the blast pipe, but can allow the air to enter into the drying tower this internally, and three can also carry out the filter action to the air.

The utility model discloses further set up to: the guide filtering component comprises a sliding frame which is arranged in the receiving box and slides along the opening direction of the receiving box, an air deflector which is obliquely arranged towards the discharging pipe is fixedly connected to the sliding frame, a plurality of first ventilation openings are formed in the air deflector, filter cotton is arranged on the air deflector, a pressing plate which is arranged on the filter cotton in a pressing mode is arranged on the filter cotton, and a plurality of second ventilation openings are formed in the pressing plate.

Through above-mentioned technical scheme, the material that the aviation baffle set up can be with the whereabouts leads to the material pipe, has ensured that solid material can normally be collected, and the setting of filter pulp has played the effect of bearing to solid material, places the material and enters into the aviation baffle through filter pulp in, and the setting of clamp plate has played fixed effect to filter pulp to prevent that filter pulp from being blown and play, influence the normal filtration to the solid. And the guide filtering component is connected with the bearing box in a sliding manner, so that the maintenance and the cleaning are convenient.

The utility model discloses further set up to: be provided with the fixed pin that will hold case lateral wall and carriage pierce through simultaneously on the lateral wall of holding case, the fixed pin is located the top of clamp plate.

Through above-mentioned technical scheme, the setting up of fixed pin makes the pressure that the clamp plate can be stable in the top of crossing the filter pulp, has ensured that the clamp plate can not break away from the pushing down to the filter pulp under the blowing of strong wind, has ensured the normal clear of filtration work.

The utility model discloses further set up to: the discharging pipe is connected with the receiving box and is provided with a cleaning opening on the circumferential surface, and a cover plate which can be disassembled to open and close the cleaning opening is arranged at the cleaning opening.

Through above-mentioned technical scheme, the seting up of washing mouth, the staff of being convenient for inserts into washing mouth with the water pipe to carry out cleaning to the junction of discharging pipe and holding case, improved the clean efficiency to the discharging pipe.

To sum up, the utility model discloses following beneficial effect has:

firstly, the moisture in the materials can be completely evaporated. Hot air is blown into the drying tower body from the bottom of the drying tower body, so that the material can reciprocally float in the drying tower body, and the contact time between the material and the hot air is prolonged;

secondly, be convenient for clean the discharging pipe, the setup of washing mouth has improved the cleaning efficiency of staff to the discharging pipe.

Drawings

FIG. 1 is a schematic view showing the overall structure of a spray drying tower;

FIG. 2 is a schematic view showing the construction of a heating apparatus;

FIG. 3 is a schematic view showing the installation position of the atomizer head;

FIG. 4 is a schematic view showing the structure of a feeding device;

FIG. 5 is a schematic view showing the internal structure of the heating chamber;

FIG. 6 is a schematic diagram showing the construction of a guided filter assembly;

FIG. 7 is a schematic structural view of a stripping device;

FIG. 8 is an enlarged detail view of detail A of FIG. 7;

FIG. 9 is a schematic view showing the internal structure of the drying tower body;

FIG. 10 is an enlarged detail view of detail B of FIG. 9;

fig. 11 shows a schematic structural view of the bottom surface of the movable ring.

In the figure, 1, a drying tower body; 11. a receiving box; 2. a heating device; 21. a heat supply barrel; 22. a first suction fan; 23. a filtering mechanism; 231. a filter box; 232. first filter cotton; 233. filtering with a screen; 24. a heating assembly; 241. a fixing plate; 242. a first vent pipe; 243. a first electric heating tube; 244. a hot air pipe; 3. a feeding device; 31. a material barrel; 32. a liquid pump; 33. a water outlet pipe; 34. an atomizing spray head; 4. a material receiving device; 41. a material receiving barrel; 42. a material receiving pipe; 421. cleaning the opening; 422. a cover plate; 43. a blower; 5. a guide filter assembly; 51. a carriage; 52. an air deflector; 521. a first vent; 53. third filter cotton; 54. pressing a plate; 541. a second vent; 55. a fixing pin; 6. a circulation device; 61. a heating box; 62. a second suction fan; 621. second filter cotton; 63. a heating mechanism; 631. a wind deflector; 632. a second vent pipe; 633. an electrical heating rod; 64. a blowpipe; 7. a stripping device; 71. a support plate; 72. a support leg; 73. a coupling plate; 74. a rotating shaft; 75. a torsion spring; 76. a knocking component; 761. a first spring; 762. knocking and hitting the ball; 77. a drive assembly; 771. a drive motor; 772. a driving gear; 773. a driven gear; 78. a second spring; 8. a cleaning device; 81. a movable ring; 811. spraying and washing the opening; 812. a second nozzle; 82. bending the pipe; 83. a water supply assembly; 831. a water inlet pipe; 832. a water pump; 833. a water tank; 84. a drive device; 841. a first fixing sheet; 842. a screw; 843. a second fixing sheet; 844. positioning a rod; 845. an active motor; 85. a telescopic pipe; 86. a first nozzle; 87. a rotating wheel; 88. brushing; 89. a scraper.

Detailed Description

A spray drying tower for hospital field, as shown in fig. 1, including the drying tower body 1 of vertical setting, to the inside heating device 2 that provides hot air of drying tower body 1, to the inside feedway 3 that sprays the material of drying tower body 1 to and set up in drying tower body 1 bottom and the inside intercommunication of drying tower body 1 and be used for collecting the material collecting device 4 of solid-state material.

As shown in fig. 2, the heating apparatus 2 includes a heating tub 21 horizontally disposed on the ground; the first suction fan 22 is arranged on the circumferential surface of the heat supply barrel 21, an air outlet of the first suction fan 22 is communicated with the inside of the heat supply barrel 21, a filtering mechanism 23 for filtering air is arranged at an air inlet of the first suction fan 22, and a heating assembly 24 for heating the air is arranged in the heat supply barrel 21.

As shown in fig. 2 and 3, the heating assembly 24 includes two fixing plates 241 vertically disposed in the heat-supplying tub 21, the two fixing plates 241 being parallel to each other and spaced apart, the fixing plates 241 being circular plate materials, and each fixing plate 241 having a diameter equal to that of an inner circle of the heat-supplying tub 21; a plurality of first ventilation pipes 242 which are parallel to each other are arranged on the two fixing plates 241, the first ventilation pipes 242 penetrate through the two fixing plates 241 and are fixedly connected with the two fixing plates 241, and the axis of each first ventilation pipe 242 is perpendicular to each fixing plate 241; a first electric heating pipe 243 is provided on the circumferential surface of each first vent pipe 242, the first electric heating pipe 243 being wound around the circumferential surface of the first vent pipe 242 in a spiral shape along the length direction of the first vent pipe 242; the peripheral surface of the heat supply barrel 21 is further fixedly connected with a hot air pipe 244, one end of the hot air pipe 244 is communicated with the interior of the heat supply barrel 21, the other end of the hot air pipe 244 is arranged at the top of the drying tower body 1 and is communicated with the interior of the drying tower body 1, and the hot air pipe 244 is arranged at the tail of the first ventilation pipe 242.

As shown in fig. 2, the filtering mechanism 23 includes a filtering box 231 engaged and fixed with the air inlet of the first suction fan 22, the end surface of the filtering box 231 facing away from the first suction fan 22 is provided with an opening, three pieces of first filtering cotton 232 parallel to each other are arranged in the filtering box 231, the edge side of the first filtering cotton 232 is fixedly connected with the corresponding inner wall of the filtering box 231, and a filtering net 233 fixed by bolts is arranged at the box opening of the filtering box 231, so that the larger impurities in the air can be blocked outside the filtering box 231.

When the heating device 2 works, the first suction fan 22 works to enable air to sequentially pass through the filter screen 233 and the three layers of the first filter cotton 232 and enter the heating barrel 21, the air in the heating barrel 21 is cleaner through the filter screen 233 and the first filter cotton 232, at this time, the first electric heating pipe 243 is electrified and heated to heat the first ventilation pipe 242, so that the temperature of the air in the first ventilation pipe 242 is raised, the air sucked into the heating barrel 21 by the first suction fan 22 can uniformly enter the first ventilation pipe 242, so that the air is heated, the temperature of the air reaches over 100 ℃, the heated air flows into the hot air inlet pipe 244 and enters the drying tower body 1, so that the hot air completes subsequent work, because the two fixing plates 241 are fixed on the inner circumferential surface of the heating barrel 21, the air entering the heating barrel 21 can only pass through the first ventilation pipe 242, the air entering the heat supply barrel 21 can be heated, and the heating efficiency of the air is guaranteed.

As shown in fig. 1 and 3, the feeding device 3 includes a material barrel 31, a liquid pump 32 communicated with the material barrel 31, an outlet of the liquid pump 32 is connected with a water outlet pipe 33, a tail end of the water outlet pipe 33 penetrates into the hot air pipe 244 and enters into the drying tower body 1, and a tail end of the water outlet pipe 33 is connected with an atomizing nozzle 34 in a threaded manner. If when will be with in the material pump income drying tower body 1, liquid pump 32 starts, drives the liquid material in the material bucket 31 and passes through atomizer 34 and spray in drying tower body 1 for the liquid material distributes more evenly in drying tower body 1, and under the hot-blast effect of steam pipe, makes the moisture in the liquid material evaporate under the air more than 100 degrees centigrade, and the remaining solid material of liquid material can be to the bottom deposit of drying tower body 1 under the action of gravity.

As shown in fig. 4, the bottom of the drying tower body 1 is hopper-shaped, and a receiving box 11 is fixed to a lower port of the drying tower body 1, and the receiving box 11 is communicated with the inside of the drying tower body 1. One side wall of the bearing box 11 is provided with an opening, a guide filtering component 5 used for guiding solid materials into the material receiving device 4 is arranged in the bearing box 11, and a circulating device 6 used for blowing air upwards into the drying tower body 1 is further arranged at the bottom of the bearing box 11. The material receiving device 4 comprises a material receiving barrel 41 vertically arranged on the ground, and a material receiving pipe 42 communicated with the material receiving barrel 41, wherein the other end of the material receiving pipe 42 is arranged on the side wall of the receiving box 11 and communicated with the inside of the receiving box 11. The material receiving pipe 42 is internally provided with an air blower 43, when the air blower 43 works, air in the drying tower body 1 is driven to enter the material receiving barrel 41, so that solid materials are driven to enter the material receiving pipe 42 and are collected in the material receiving barrel 41.

As shown in fig. 4, the circulation device 6 includes a heating box 61 placed on the ground, a second suction fan 62 is fixedly connected to one end of the heating box 61, an air outlet of the second suction fan 62 is communicated with the inside of the heating box 61, a second filter cotton 621 is disposed at an air inlet of the second suction fan 62, and an edge of the second filter cotton 621 is fixedly connected to the second suction fan 62 through a bolt. A heating mechanism 63 (shown here in fig. 5) is provided in the heating box 61.

As shown in fig. 5, the heating mechanism 63 includes two wind deflectors 631 vertically arranged in the heating box 61, the two wind deflectors 631 are arranged at intervals, and the wind deflectors 631 are fixedly connected with the inner wall of the heating box 61; the two wind shields 631 are provided with a plurality of second ventilation pipes 632 parallel to each other, the second ventilation pipes 632 penetrate through the two wind shields 631 and are fixedly connected with the wind shields 631, and the planes of the second ventilation pipes 632 and the wind shields 631 are perpendicular to each other. Each of the second ventilation pipes 632 is provided with an electrical heating rod 633 on the circumferential surface thereof, and the electrical heating rods 633 are spirally arranged on the circumferential surface of the second ventilation pipe 632 along the length direction of the second ventilation pipe 632. The heating box 61 is further provided with a blowpipe 64, one end of the blowpipe 64 is arranged on the side of the heating box 61 away from the second suction fan 62 and is communicated with the inside of the heating box 61, and the other end of the blowpipe 64 is arranged at the bottom of the receiving box 11 and is communicated with the inside of the receiving box 11.

In order to enable the moisture in the liquid material to be completely evaporated inside the drying tower body 1, the arrangement of the circulating device 6 is used for solving the problem. During the evaporation of the liquid material inside the drying tower body 1, the solid material and the liquid material that is not completely evaporated fall to the bottom of the drying tower body 1. At this time, the second suction fan 62 works to drive the air to enter the heating box 61 through the second filter cotton 621, and the electric heating rod 633 is electrified to heat the air, so that the air around the second ventilation pipe 632 rises. The air that enters into in the heating cabinet 61 makes the air temperature rise through second ventilation pipe 632 to in entering into drying tower body 1 through blowing pipe 64, the air upwards blows from drying tower body 1 bottom, thereby drives the material of whereabouts and flutters upwards, has increased the contact time of material with the hot-air, makes the liquid material that does not evaporate completely continuous and the contact of hot-air, has ensured the evaporation efficiency of material. The blower 43 works to drive the air in the drying tower body 1 to flow into the material receiving pipe 42, so as to drive the completely evaporated solid materials to be collected in the material receiving barrel 41.

As shown in fig. 6, the guiding and filtering assembly 5 includes a sliding frame 51 disposed inside the receiving box 11, the sliding frame 51 is U-shaped, the upper surface and the lower surface of the sliding frame 51 are open structures, so that the air blown by the blowing pipe 64 passes through the sliding frame 51, and the sliding frame 51 is also open structure toward the discharging pipe side, so that the normal feeding of the discharging pipe 42 is not affected. An air deflector 52 is fixedly connected between two opposite inner walls in the movable frame, the air deflector 52 is obliquely arranged towards the direction of the end opening of the discharge pipe, so that one end, close to the blowpipe 64, of the air deflector 52 is lower than one end, far away from the blowpipe 64, of the air deflector 52, and a plurality of first ventilation openings 521 are uniformly formed in the air deflector 52; third filter cotton 53 covering the first ventilation opening 521 is laid above the air deflector 52, a pressing plate 54 with the same size as the air deflector 52 is pressed above the third filter cotton 53, and a second ventilation opening 541 is formed in the position, corresponding to the first ventilation opening 521, of the pressing plate 54. If there is the material to drop in the bearing case 11 for direction filter assembly 5 has played the bearing effect to the material, has avoided the material to flow into in the blowing pipe 64, has ensured the waste of material, has also ensured the collection efficiency of material, and the setting of direction filter assembly 5 can also satisfy passing of air moreover, has improved the time of material with the hot-air contact, and the staff of also being convenient for changes third filter pulp 53. And the guide plate is obliquely arranged, so that the guide drainage effect on the materials is realized, and the materials can be timely stored into the material receiving pipe 42.

As shown in fig. 6, when the sliding frame 51 is located in the receiving box 11, a fixing pin 55 for penetrating the receiving box 11 and the sliding frame 51 is disposed on a sidewall of the receiving box 11, and the fixing pin 55 is located above the pressing plate 54, so as to prevent the pressing plate 54 from being turned over by too much wind pressure of the blowing pipe 64, which affects the stability of fixing the third filter screen 233, and also to fix the sliding frame 51, so that the sliding frame 51 is stably inserted into the receiving box 11 during operation. Receive and seted up a washing mouth 421 on the global of material pipe 42, washing mouth 421 are close to the discharging pipe and are close to the one end that holds in case 11, and the staff of being convenient for carries out cleaning work to the corner that is difficult to wash in receiving material pipe 42 through washing mouth 421, and threaded connection has apron 422 at the border department of washing mouth 421 to receiving material pipe 42 when normally working, avoided the material to fly out from washing mouth 421.

As shown in fig. 7, since the bottom of the drying tower body 1 is hopper-shaped, some materials may be accumulated on the inner wall of the hopper-shaped part of the drying tower body 1 during the falling process, thereby affecting the collection efficiency of the materials. Therefore, the circumferential surface of the drying tower body 1, which is positioned in the bucket-shaped area, is provided with a stripping device 7 which knocks the outer wall of the drying tower body 1 to enable the materials to be separated from the inner wall of the drying tower body 1. The stripping device 7 comprises a bearing plate 71 arranged on the circumferential surface of the drying tower body 1, the bearing plate 71 is annular and is coaxially arranged with the drying tower body 1, and four support legs 72 for supporting the bearing plate 71 on the ground are arranged on the bottom surface of the bearing plate 71; the stripping devices 7 are arranged on the bearing plate 71 and are evenly distributed with three.

As shown in fig. 8, the stripping device 7 includes two coupling plates 73 vertically fixed on the upper surface of the supporting plate 71, and the two coupling plates 73 are arranged in parallel; a rotating shaft 74 is horizontally arranged between the two connecting shaft plates 73, and two ends of the rotating shaft 74 are rotatably connected with the two connecting shaft plates 73; a torsion spring 75 is sleeved on the rotating shaft 74, one end of the torsion spring 75 is fixedly connected with the connecting shaft plate 73 on one side, and the other end of the torsion spring 75 is fixedly connected on the circumferential surface of the rotating shaft 74; two knocking components 76 for knocking the outer wall of the drying tower body 1 are fixedly connected to the rotating shaft 74; the rotating shaft 74 is further provided with a driving assembly 77 for driving the rotating shaft 74 to rotate along the axis of the rotating shaft 74.

As shown in fig. 8, the striking assembly 76 includes a first spring 761 disposed on the rotating shaft 74, one end of the first spring 761 is fixed to the circumferential surface of the rotating shaft 74, and the other end of the first spring 761 is fixed to the striking ball 762. The hitting ball 762 is a ball made of rubber and having a cavity therein. The driving assembly 77 includes a driving motor 771 fixed on the supporting plate 71, a driving gear 772 coaxially fixed with the output shaft of the driving motor 771, and a driven gear 773 coaxially fixed on the rotating shaft 74, wherein the driving gear 772 and the driven gear 773 are engaged with each other, but the teeth of the driving gear 772 are only distributed on the half circumference of the driving gear 772.

After driving motor 771 starts, drive driving gear 772 and rotate, can drive axis of rotation 74 when the tooth of driving gear 772 and driven gear 773's tooth intermeshing rotates, thereby drive first spring 761 swing, and make the ball 762 of knocking of first spring 761 tip beat on the outer wall of drying tower body 1, drive drying tower body 1 and produce the vibration, make the material of adhesion on drying tower body 1 inner wall break away from with drying tower body 1 inner wall more easily, thereby the collection rate of material has been improved. When the teeth of the driving gear 772 are disengaged from the teeth of the driven gear 773, the rotating shaft 74 only receives the elastic force of the torsion spring 75 and drives the rotating shaft 74 to rotate to the initial position, and when the teeth of the driving gear 772 and the teeth of the driven gear 773 are engaged again, the hitting ball 762 is hit on the outer wall of the drying tower body 1. With the continuous operation of the driving motor 771, the knocking ball 762 can be driven by the first spring 761 to knock on the outer wall of the drying tower body 1 in a reciprocating manner, so that the drying tower body 1 continuously vibrates, and the possibility that fixed materials are adhered to the inner wall of the drying tower body 1 is reduced.

Because the hitting ball 762 is made of rubber, and a cavity is formed in the hitting ball 762, the hitting ball 762 reduces the impact force on the drying tower body 1 when hitting the outer wall of the drying tower body 1, and the possibility of damage to the drying tower body 1 is reduced. And the material stripping devices 7 are uniformly distributed on the bearing plate 71, so that the circumferential surface of the drying tower body 1 can be uniformly vibrated by the knocking balls 762, and the stripping efficiency of the materials and the inner wall of the drying tower body 1 is guaranteed.

As shown in fig. 7, in order to reduce the vibration floating in other areas of the drying tower body 1, a plurality of second springs 78 are uniformly distributed on the inner circumferential surface of the support plate 71 along the annular direction of the support plate 71, one end of each second spring 78 is fixedly connected with the support plate 71, and the other end of each second spring 78 is fixedly connected to the outer circumferential surface of the drying tower body 1, so that when the vibration of the drying tower body 1 is transmitted to the position of the support plate 71, the second springs 78 can absorb the vibration of the drying tower body 1 in time, the vibration amplitude of the drying tower body 1 is reduced, and the safety of fixing the drying tower body 1 is ensured.

As shown in fig. 9 and 10, a cleaning device 8 for cleaning the inner wall of the drying tower body 1 is further arranged in the drying tower body 1, the cleaning device 8 includes a movable ring 81 arranged in the drying tower body 1, the movable ring 81 is arranged coaxially with the drying tower body 1, and the diameter of the outer circle of the movable ring 81 is smaller than the diameter of the inner circumferential surface of the drying tower body 1; a cavity is formed in the movable ring 81, a plurality of bent pipes 82 (eight bent pipes 82 are arranged in the embodiment) are uniformly arranged on the bottom surface of the movable ring 81 along the annular direction of the movable ring 81, one end of each bent pipe 82 is fixedly connected with the bottom surface of the movable ring 81 and is communicated with the inside of the movable ring 81, and the other end of each bent pipe 82 faces the inner wall of the adjacent drying tower body 1; the drying tower body 1 is externally provided with a water supply assembly 83 for supplying cleaning liquid into the movable ring 81, and a driving device 84 for driving the movable ring 81 to reciprocate along the height direction of the drying tower body 1.

As shown in fig. 9, a telescopic pipe 85 is fixedly connected to the drying tower body 1, one end of the telescopic pipe 85 is fixedly connected to the upper end surface of the movable ring 81 and is communicated with the inside of the movable ring 81, and the other end of the telescopic pipe 85 is fixedly connected to the upper end surface of the drying tower body 1. The water supply assembly 83 (shown here in figure 1) includes a water inlet tube 831, a water pump 832 and a water tank 833. One end of the water inlet pipe 831 is fixedly connected with the upper end opening of the extension pipe 85, the other end of the water inlet pipe 831 is communicated with the water outlet of the water pump 832, and the water inlet of the water pump 832 is communicated with the water tank 833.

As shown in fig. 9, the driving device 84 includes a first fixing plate 841 and a second fixing plate 843 fixedly attached to the inner peripheral surface of the movable ring 81; a screw 842 is vertically penetrated through the first fixing sheet 841, the screw 842 is in threaded connection with the first fixing sheet 841, and two ends of the screw 842 are erected in the drying tower body 1 and are rotationally connected with the drying tower body 1; a positioning rod 844 vertically penetrates through the second fixing sheet 843, the positioning rod 844 is connected with the second fixing sheet 843 in a sliding manner, and two ends of the positioning rod 844 are respectively fixed on the inner wall of the drying tower body 1; an active motor 845 is vertically and fixedly connected to the upper surface of the drying tower body 1, and an output shaft of the active motor 845 penetrates into the drying tower body 1 and is coaxially and fixedly connected with the screw 842.

When the cleaning device works, the water pump 832 starts the liquid pump 32 in the driving water tank 833 to enter the movable ring 81, and the inner wall of the drying tower body 1 is cleaned by spraying the bent pipe 82, then the worker can start the active motor, drive the screw 842 to rotate, be matched with the screw of the first fixing piece 841 by the screw 842, and make the movable ring 81 slide along the height direction of the drying tower body 1 under the limit of the positioning rod 844, and drive the extension of the telescopic pipe 85 to convey liquid, thereby making the liquid spray-wash on the inner walls of the drying tower body 1 with different heights. The movable ring 81 is moved back and forth longitudinally in the drying tower body 1 by the positive rotation or the negative rotation of the driving motor 845.

As shown in fig. 10, in order to improve the cleaning effect on the inner wall of the drying tower body 1, a first nozzle 86 is fixed to an end of the elbow 82, and the first nozzle 86 is a fan nozzle. When liquid is sprayed out through the first spray head 86, the liquid is distributed in a fan shape, the spray washing range of the inner wall of the drying tower body 1 is improved, the pressure of the liquid on the inner wall of the drying tower body 1 is increased, and the cleaning efficiency of the inner wall of the drying tower body 1 is improved.

As shown in fig. 10, a plurality of rotating wheels 87 (eight rotating wheels 87 are provided in this embodiment) are further erected on the upper surface of the movable ring 81, the rotating wheels 87 are uniformly arranged along the annular direction of the movable ring 81, and the axis of the rotating wheels 87 is horizontally arranged, and the peripheral surface of the rotating wheels 87 is abutted against the inner wall of the drying tower body 1, so that the movable ring 81 is more stable in longitudinal movement in the drying tower body 1.

As shown in fig. 11, a plurality of bristles 88 are fixedly connected to the outer peripheral surface of the movable ring 81 along the annular direction of the movable ring 81, the other ends of the bristles 88 contact the inner wall of the drying tower body 1, and when the driving motor 845 drives the movable ring 81 to move up and down, the bristles 88 scrub the inner wall of the drying tower body 1, so that the inner wall of the drying tower body 1 is cleaner.

As shown in fig. 11, an annular scraper 89 is fixed to the outer peripheral surface of the movable ring 81, and the edge of the scraper 89 is in contact with the inner wall of the drying tower body 1. When the vertical removal in-process of activity ring 81, scraper blade 89 scrapes the drying tower body 1 inner wall, not only can scrape the brush with unnecessary water stain, changes in moreover and hangs the brush with the clout of adhesion on drying tower body 1 inner wall. And scraper 89 is the rubber material to the effort that scraper 89 and drying tower body 1 inner wall contacted has been reduced, and the wearing and tearing of scraper 89 to drying tower body 1 inner wall have been reduced.

As shown in fig. 11, since the bottom of the drying tower body 1 is in a bucket shape, the movable ring 81 cannot move down into the bucket-shaped area, eight spray nozzles 811 are uniformly formed on the lower surface of the movable ring 81 along the annular direction of the movable ring 81, a second spray head 812 is screwed to the spray nozzles 811, and the second spray head 812 is also a fan-shaped spray head. After water pump 832 starts, liquid can be spout through second shower nozzle 812, when activity ring 81 removed to being close to drying tower body 1 bucket position, the regional inner wall of bucket has also obtained the spray rinsing of second shower nozzle 812 spun liquid can the spray rinsing on the regional inner wall of bucket to make the regional inner wall of bucket also obtain the spray rinsing, second shower nozzle 812 is fan-shaped nozzle moreover, makes liquid spun pressure bigger, and the scope of spraying is wider, makes the regional inner wall spray rinsing of bucket cleaner.

The working process is as follows: when the spray drying tower works, the first suction fan 22 is started to drive air to enter the heat supply barrel 21 after being filtered by the filtering mechanism 23, the first electric heating pipe is electrified, so that the temperature of the first ventilation pipe 242 rises, the air is heated by the first ventilation pipe 242, so that the air reaches over 150 ℃, enters the drying tower body 1 through the hot air pipe 244, then the liquid pump 32 is started to drive the liquid material to be sprayed into the drying tower body 1 through the atomizing nozzle 34, and the atomized liquid material is evaporated under high temperature environment, so that the water seal in the liquid material is evaporated, and the solid in the material falls downwards, and in the process, the circulating device 6 is started to drive the hot air to flow upwards from the bottom of the drying tower body 1, so as to drive the water which is not completely evaporated to continue evaporation, and the solid material enters the material collecting barrel 41 under the action of the air blower 43.

If there is the material adhesion when on the inner wall of drying tower body 1, driving motor 771 starts, it rotates to drive driving gear 772, can drive axis of rotation 74 when the tooth of driving gear 772 and driven gear 773's tooth intermeshing rotates, thereby drive first spring 761 swing, and make the ball 762 of knocking of first spring 761 tip beat on the outer wall of drying tower body 1, drive drying tower body 1 and produce the vibration, make the material of adhesion on drying tower body 1 inner wall break away from with drying tower body 1 inner wall more easily.

If when wanting to wash drying tower body 1 inner wall, water pump 832 starts liquid pump 32 that drives in the water tank 833 and gets into in activity ring 81, and wash drying tower body 1 inner wall through the return bend 82 blowout, then the staff can start initiative electronically, it rotates to drive screw 842, screw 842 and the screw-thread fit of first stationary blade 841, and make activity ring 81 slide along drying tower body 1's direction of height under locating lever 844 is spacing, and drive flexible pipe 85 extension and transport liquid, thereby make liquid can the spray rinsing on the inner wall of the co-altitude of drying tower body 1.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (7)

1. A spray drying tower for medicine field, including drying tower body (1), let in hot-blast main (244) of drying tower body (1) inside from drying tower body (1) top, set up the discharging pipe of the inside intercommunication of drying tower body (1) bottom and drying tower body (1) in drying tower body (1), be provided with air-blower (43), characterized by in the discharging pipe: the discharge pipe is arranged on the circumferential surface of the bottom of the drying tower body (1), and a circulating device (6) blowing materials from the bottom of the drying tower to the upper part of the drying tower body (1) is arranged at the bottom of the drying tower;

the circulating device (6) comprises a second suction fan (62) placed on the ground, a blowing port of the second suction fan (62) is connected with a blowing pipe (64), and a port of the blowing pipe (64) is communicated with the bottom of the drying tower body (1).

2. The spray drying tower for use in the medical field according to claim 1, wherein: an air outlet of the second suction fan (62) is connected with a heating mechanism (63) for heating air, the heating mechanism (63) comprises a heating box (61), a plurality of second ventilation pipes (632) are distributed along the length direction in the heating box (61), and the peripheral surfaces of the ventilation pipes are provided with electric heating rods (633); the air outlet of the second suction fan (62) is communicated with one end of the heating box (61), and the other end of the heating box (61) is communicated with the blowing pipe (64).

3. The spray drying tower for use in the medical field according to claim 2, wherein: the electric heating rods (633) are spirally distributed along the length direction of the second ventilation pipe (632).

4. The spray drying tower for use in the medical field according to claim 1, wherein: the bottom rigid coupling in the drying tower has one and the drying tower in the box (11) that holds that communicates each other, holds that case (11) one side is open structure, the one end of blowing pipe (64) and the bottom intercommunication of holding case (11), hot-blast main (244) are fixed hold case (11) and hold the relative one side of case opening and with hold the inside intercommunication of case (11), it is used for direction filtering component (5) of material direction hot-blast main (244) to be provided with the dismantlement connection in the case (11) to hold.

5. The spray drying tower for use in the medical field according to claim 4, wherein: the guide filtering component (5) comprises a sliding frame (51) which is arranged in the bearing box (11) and slides along the opening direction of the bearing box (11), an air deflector (52) which is obliquely arranged towards the discharging pipe is fixedly connected to the sliding frame (51), a plurality of first ventilation openings (521) are formed in the air deflector (52), third filter cotton (53) is arranged on the air deflector (52), a pressing plate (54) which is pressed on the third filter cotton (53) is arranged above the third filter cotton (53), and a plurality of second ventilation openings (541) are formed in the pressing plate (54).

6. The spray drying tower for use in the medical field according to claim 5, wherein: the side wall of the bearing box (11) is provided with a fixing pin (55) which can penetrate through the side wall of the bearing box (11) and the sliding frame (51), and the fixing pin (55) is positioned above the pressing plate (54).

7. The spray drying tower for use in the medical field according to claim 4, wherein: the connection circumferential surface of the discharge pipe and the receiving box (11) is provided with a cleaning opening (421), and a cover plate (422) which can be detached to open and close the cleaning opening (421) is arranged at the cleaning opening (421).

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