Spray drying tower capable of avoiding external dust from entering based on one-way transmission
Technical Field
The invention relates to the technical field of spray drying towers, in particular to a spray drying tower capable of preventing external dust from entering based on one-way transmission.
Background
Present spray drying tower becomes one-way transmission more, the feed inlet is the simplex formula promptly, in order to avoid external dust to get into, wherein when spray drying tower uses, liquid material gets rid of through centrifugal atomizer dispersion and drips the form and form solid-state granule fast with the inside hot gas flow contact of tower body, at this in-process, spray drying tower's inner wall can a large amount of liquid material of adhesion or solid-state granule, after work completion each time, the staff all can hand water pipe and brush, this process is very big consumes the human cost, and when using the brush to brush the attachment, the scrubbing of brush can the unable automation of a large amount of residues of adhesion, still need the manpower to carry out the secondary cleaning to the brush, again consume the manpower.
Disclosure of Invention
The present invention is directed to a spray drying tower for preventing external dust from entering based on one-way transmission, so as to solve the problems mentioned in the background art.
In order to achieve the above object, the present invention provides a spray drying tower for preventing external dust from entering based on one-way transmission, comprising at least:
the tower body is arranged above the bottom plate, a rod body is arranged on the surface of the tower body and fixedly connected with the bottom plate, and a centrifugal atomizer is arranged on the inner side of the interior of the tower body;
the top plate is connected with the bottom plate through side plates, the side plates are symmetrically arranged on the side face of the bottom plate, a driving assembly is arranged on the surface of the top plate and comprises a fixing frame, a lead screw is rotatably connected between the fixing frames, a rotary table is arranged at one end of the lead screw, a lead screw nut is connected to the surface of the lead screw, connecting arms are connected to two ends of the lead screw nut, and the connecting arms penetrate through the surface of the top plate downwards;
the dust removal assembly comprises two groups of symmetrically arranged dust removal plates, the end parts of the dust removal plates are hinged to the connecting arm, the dust removal plates are attached to the inner wall of the tower body, the surfaces of the dust removal plates are connected with the wiping block in a sliding mode, the bottom of the fixing frame is communicated with a rotating shaft, the rotating shaft is connected with the bottom end of the screw rod, fixing arms are symmetrically arranged on the surfaces of the rotating shaft, connecting springs are arranged at the side ends of the fixing arms, sliding blocks are connected to the surfaces of the connecting springs, and the sliding blocks are used for pushing the wiping block;
when the dust removal assembly is used specifically, the tower body is a conical cavity body, the centrifugal atomizer is clamped with the inner wall of the tower body, after materials are dried, the centrifugal atomizer is moved out, the upper rotary table is manually rotated, the screw rod is rotated, the screw rod nut moves downwards along the surface of the screw rod under the limit of the side end of the connecting arm, and further the dust removal plate connected with the connecting arm synchronously moves downwards, wherein the dust removal plate is positioned right above the tower body, namely the dust removal plate enters the interior of the tower body downwards, the dust removal plate is attached to the inner wall of the tower body and scrapes the dust removal plate to take out material residues attached to the surface, the residual materials are downwards discharged along the conical outlet at the bottom side of the tower body after being scraped, the rotary table is reversely rotated after the scraping is finished, so that the connecting arm is upwards reset, and the rotating shaft synchronously rotates along with the rotation of the screw rod due to the connection of the rotating shaft and the screw rod, namely the fixed arm, the connecting spring and the slide block rotate synchronously, when the dust removing plate is reset upwards gradually, the slide block can be contacted with and driven by the wiping block attached on the dust removing plate when rotating, the two wiping blocks can synchronously slide along the surface of the dust removing plate under the drive of the corresponding slide blocks, the bottom of the dust removing plate is cleaned after the residues are scraped, so that the cleanliness of the bottom is improved, meanwhile, as the sliding block is connected with the fixed arm through the connecting spring, the connecting spring applies an elastic stretching force to the sliding block, when the wiping block rotates along with the touch of the sliding block and contacts the edge of the dust removing plate, the wiping block can not move again, the rotating disc is also stopped, when the dust removing plate needs to be erased downwards again, the sliding block can be driven to the initial position again by the reverse rotation, the sliding block can be ensured to contact with the wiping block every time and wipe the dust removing plate, so that the cleanliness of the bottom surface of the dust removing plate is improved; wherein, the concrete theory of operation of the spray drying tower that tower body and centrifugal nebulizer constitute is: the cavity is filtered and heated, and then enters an air distributor at the top of the dryer, hot air uniformly enters the drying chamber in a spiral shape, material liquid is sprayed into very fine foggy liquid beads through a high-speed centrifugal atomizer or a high-pressure atomizer at the top of the tower body, and the material liquid can be dried into a finished product in a short contact time to be parallel to the air, and the finished product is continuously output from the bottom of the drying tower, namely the bottom of the tower body is discharged.
As a further improvement of the technical scheme, the surface of the bottom plate is provided with a material receiving box, the material receiving box is positioned under the tower body, a filter plate is arranged in the material receiving box, the filter plate is used for filtering materials, and a baffle is arranged on one side of the material receiving box.
As a further improvement of the technical scheme, a notch is formed in the surface of the bottom plate, the material receiving box is located right above the notch, side arms are mounted at the side end portions of the material receiving box, connecting sleeves are rotatably connected to the surfaces of the side arms, and the connecting sleeves are fixedly connected with the rod body.
As a further improvement of the technical scheme, a supporting plate is mounted on the surface of the other side plate, a feeding box is arranged on the surface of the supporting plate and used for initial material placement, a material guide pipe is communicated with the inside of the feeding box, and an outlet at one end of the material guide pipe is communicated with the centrifugal atomizer.
As a further improvement of the technical scheme, the inside of the feeding box is provided with a stirring blade, the stirring blade penetrates through the shaft lever at the middle part of the inner wall of the feeding box, one end of the stirring blade is communicated with a driving motor, and the stirring blade is used for stirring and mixing the materials inside the feeding box.
As a further improvement of the technical scheme, the bottom of the feeding box is provided with an angle end, and supporting arms are installed at the angle end, the supporting arms are formed by splicing and combining an outer rod and an inner rod, and the supporting arms are used for limiting the feeding box.
As a further improvement of the technical scheme, the interior of the material guiding pipe is arranged and used for blocking or opening when the material in the material guiding pipe is discharged outwards.
As a further improvement of the technical scheme, a screw is formed in the surface of the fixing frame, a screw is connected to the inner thread of the screw, the screw is used for supporting the feeding box, and a rotating wheel is mounted at the bottom of the screw and used for rotating the screw.
As a further improvement of the technical scheme, the side surfaces of the connecting arms are connected with fixing plates, two connecting pieces are mounted at the end parts of the fixing plates, two transverse arms are arranged between the connecting pieces, a rectangle formed by the transverse arms and the connecting pieces is matched with the feeding box, two bottom springs are symmetrically mounted on the bottom surfaces of the connecting pieces and the transverse arms, the bottoms of the bottom springs are connected with elastic parts, and the elastic parts are used for scraping the inner wall of the feeding box.
As a further improvement of the technical scheme, the bottom of the feeding box is conical, the elastic part is formed by hinging two opposite monomer parts, and the bottom of the connecting part is provided with a push rod; the surface of the fixed plate is connected with a limiting arm in a penetrating manner, and the bottom surface of the limiting arm is fixedly connected with the top plate.
Compared with the prior art, the invention has the beneficial effects that:
1. in the spray drying tower for preventing external dust from entering based on one-way transmission, the dust removing plate synchronously downwards enters the interior of the tower body through the rotation of the screw rod, the inner wall is scraped to remove attached material residues, the residual material is downwards discharged along the conical outlet at the bottom side of the tower body after being scraped, after the completion, the screw rod reversely rotates and resets, the dust removing plate gradually resets upwards and contacts with the sliding block, the sliding block contacts and drives the wiping block attached to the dust removing plate when rotating, the bottom of the dust removing plate is cleaned after the residues are scraped, the cleanliness of the bottom is improved, the wiping block cannot move again after the wiping block rotates along with the contact of the sliding block and contacts with the edge of the dust removing plate, when the dust removing plate needs to be wiped downwards again, the sliding block is brought back to the initial position by the reverse rotation again, and the sliding block can be ensured to contact with the wiping block and wipe the dust removing plate each time, so as to improve the cleanliness of the bottom surface of the dust removing plate.
2. In this spray drying tower based on external dust of avoiding gets into of one-way transmission, scraping behind the residue, can carry out first filtration after the material gets into the filter plate, the filter plate can filter out great residual particle, and the great residue of granule can be used, need mix once more to the likepowder of undersize and remold, and then separates the collection to the material of two states, and it is convenient for improve when for subsequent secondary uses, and practices thrift the cost.
3. This in the spray drying tower of avoiding external dust to get into based on one-way transmission, after the feeding case uses, the lead screw rotates, the fixed plate is synchronous downwards, the inner wall that elastomeric element contacted feeding case scrapes, carry out the residue of removing of box to the feeding case after using, after elastomeric element reached the extreme low position of feeding incasement wall, fixed spring still can extrude elastomeric element downwards, elastomeric element is no longer moving, but the dust removal board of opposite side still can not influenced continuation downwards and still can scrape the inside of tower body, in order to reach two effect of mutually supporting, can not influence self basic effect.
Drawings
FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;
FIG. 2 is an exploded view of the whole structure of embodiment 1 of the present invention;
FIG. 3 is a schematic structural view of a driving assembly and a dust removing assembly in embodiment 1 of the present invention;
FIG. 4 is a schematic structural diagram of FIG. 3 at A in example 1 of the present invention;
FIG. 5 is a schematic structural view of a feed box in accordance with embodiment 1 of the present invention;
FIG. 6 is a schematic view of the structure of a material receiving box in embodiment 2 of the present invention;
FIG. 7 is an exploded view of the structure of the material receiving box of embodiment 2 of the present invention;
FIG. 8 is a schematic view of the overall structure of embodiment 3 of the present invention;
FIG. 9 is a schematic view showing the structure of a connecting member and a fixing spring according to embodiment 3 of the present invention;
fig. 10 is a partial structural view of the elastic member and the push rod according to embodiment 3 of the present invention.
The various reference numbers in the figures mean:
1. a base plate; 11. a side plate; 12. a notch; 13. a material receiving box; 131. filtering the plate; 132. a side arm; 133. connecting sleeves; 134. a baffle plate;
2. a tower body; 21. a centrifugal atomizer;
3. a top plate;
4. a drive assembly; 41. a fixed mount; 42. a screw rod; 420. a turntable; 43. a feed screw nut; 44. a connecting arm;
5. a dust removal assembly; 51. a dust removal plate; 510. wiping blocks; 52. a rotating shaft; 53. a fixed arm; 54. a connecting spring; 55. a slider;
6. a support plate;
7. a feeding box; 71. stirring blades; 72. a drive motor; 73. a support arm; 74. a material guide pipe; 75. a valve;
8. a screw; 81. a rotating wheel;
9. a fixing plate; 91. a connecting member; 92. a cross arm; 93. fixing the spring; 94. an elastic member; 95. a limiting arm; 96. a push rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Example 1
Referring to fig. 1 to 5, the present embodiment is directed to a spray drying tower for preventing external dust from entering based on one-way transmission, comprising:
the tower body 2 is arranged above the bottom plate 1, the surface of the tower body 2 is provided with a rod body, the rod body is fixedly connected with the bottom plate 1, and the inner side of the interior of the tower body 2 is provided with a centrifugal atomizer 21;
the top plate 3 is connected with the bottom plate 1 through side plates 11, the side plates 11 are symmetrically arranged on the side face of the bottom plate 1, the surface of the top plate 3 is provided with a driving assembly 4, the driving assembly 4 comprises fixed frames 41, a screw rod 42 is rotatably connected between the fixed frames 41, one end of the screw rod 42 is provided with a turntable 420, the surface of the screw rod 42 is connected with a screw rod nut 43, two ends of the screw rod nut 43 are both connected with connecting arms 44, and the connecting arms 44 penetrate through the surface of the top plate 3 and face downwards;
the dust removal assembly 5 comprises two symmetrically-arranged dust removal plates 51, the end parts of the dust removal plates 51 are hinged to the connecting arm 44, the dust removal plates 51 are attached to the inner wall of the tower body 2, the surface of each dust removal plate 51 is connected with a wiping block 510 in a sliding manner, the bottom of the fixing frame 41 is communicated with a rotating shaft 52, the rotating shaft 52 is connected with the bottom end of the screw rod 42, fixing arms 53 are symmetrically arranged on the surface of the rotating shaft 52, connecting springs 54 are arranged at the side ends of the fixing arms 53, sliding blocks 55 are connected to the surfaces of the connecting springs 54, and the sliding blocks 55 are used for pushing the wiping blocks 510;
when the dust removing assembly 5 is used specifically, the tower body 2 is a conical hollow cavity, the centrifugal atomizer 21 is clamped with the inner wall of the tower body 2, after the materials are dried, the centrifugal atomizer 21 is moved out, the upper rotary table 420 is manually rotated, the screw rod 42 is rotated, the screw rod nut 43 moves downwards along the surface of the screw rod 42 under the limit of the side end of the connecting arm 44, and then the dust removing plate 51 connected with the connecting arm 44 is downward synchronously, wherein the dust removing plate 51 is positioned right above the tower body 2, namely the dust removing plate 51 enters the interior of the tower body 2 downwards, the dust removing plate 51 is attached to the inner wall of the tower body 2 and scrapes the dust removing plate to remove the material residue attached to the surface, the residual material is downwards discharged downwards along the conical outlet at the bottom side of the tower body 2 after being scraped, the rotary table 420 is reversely rotated to enable the connecting arm 44 to be upwards reset, wherein due to the connection of the rotating shaft 52 and the screw rod 42, the rotating shaft 52 rotates synchronously with the rotation of the screw 42, that is, the fixed arm 53, the connecting spring 54 and the sliding block 55 rotate synchronously, when the dust removing plate 51 is gradually reset upwards, the sliding block 55 is contacted and driven by the wiping block 510 attached to the dust removing plate 51 when rotating, the two wiping blocks 510 are driven by the corresponding sliding block 55 to synchronously slide along the surface of the dust removing plate 51, the dust removing plate 51 cleans the bottom of the dust removing plate 51 after scraping residues, the cleanliness of the bottom is improved, meanwhile, because the sliding block 55 is connected with the fixed arm 53 through the connecting spring 54, the connecting spring 54 applies an elastic tensile force to the sliding block 55, when the wiping block 510 rotates along with the contact of the sliding block 55 and contacts with the edge of the dust removing plate 51, the wiping block 510 does not move again, the rotating disc 420 is also stopped, when the dust removing plate 51 needs to be wiped downwards again, the rotating in the opposite direction again enables the sliding block 55 to bring the wiping block 510 back to the initial position, the sliding block 55 can be ensured to contact with the wiping block 510 each time and wipe the dust removing plate 51, so that the cleanliness of the bottom surface of the dust removing plate 51 is improved; wherein, the concrete operating principle of the spray drying tower that tower body 2 and centrifugal sprayer 21 constitute is: the cavity is filtered and heated, and then enters an air distributor at the top of the dryer, hot air uniformly enters the drying chamber in a spiral shape, material liquid is sprayed into very fine foggy liquid beads through a high-speed centrifugal atomizer or a high-pressure atomizer at the top of the tower body, and the material liquid can be dried into a finished product in a short contact time to be parallel to the air, and the finished product is continuously output from the bottom of the drying tower, namely the bottom of the tower body 2 is discharged.
In order to carry out convenient throwing material before dry, the surface mounting of another curb plate 11 has backup pad 6, the surface of backup pad 6 is equipped with feeding case 7, feeding case 7 is used for carrying out the initial material of putting, feeding case 7's inside intercommunication has passage 74, the one end export and the centrifugal atomizer 21 intercommunication of passage 74, when the inside of tower body 2 is dried in need being arranged in to the material, arrange the inside of feeding case 7 in the material, the inside that the material can flow into centrifugal atomizer 21 to one side along passage 74 certainly, drive through centrifugal atomizer 21 and disperse the material and throw away, in order to form whole convenient work outflow, also improve the convenience that personnel put into the material.
Further, the inside of feeding case 7 is equipped with stirring leaf 71, the axostylus axostyle that stirring leaf 71 passes through the middle part runs through the inner wall of feeding case 7, the one end intercommunication of stirring leaf 71 has driving motor 72, stirring leaf 71 is used for stirring the mixture to the inside material of feeding case 7, place the inside back at feeding case 7 at the material, let in driving motor 72 the power, driving motor 72 drives stirring leaf 71 and takes place to rotate, stirring leaf 71 carries out the secondary to the inside material of feeding case 7 and mixes, with the degree of mixing that improves between the material, make material and moisture intensive mixing, provide good supplementary to the chemical property of follow-up formation solid-state granule.
Secondly, the bottom of feed box 7 is equipped with the angle end and all installs support arm 73, support arm 73 is by outer pole and interior pole grafting combination, support arm 73 is used for spacing to feed box 7, because of the connection of passage 74 and centrifugal atomizer 21, when centrifugal atomizer 21 outwards shifts out, can rise gradually feed box 7 along the support arm 73 of bottom side, leave the inside back of tower body 2 as centrifugal atomizer 21, can demolish passage 74 and leave centrifugal atomizer 21 to the use that can not influence passage 74 when dismantling centrifugal atomizer 21.
Still further, a valve 75 is disposed inside the material guiding pipe 74, and the valve 75 is used for blocking or opening when the material in the material guiding pipe 74 is discharged outwards, and when the drying treatment is performed inside the tower body 2, and the measurement of the material inside the material guiding pipe 74 is large or small, which results in poor drying effect, the measurement of the material discharged from the material guiding pipe 74 is controlled by fully opening the material guiding pipe 74 or closing the material guiding pipe 74 through the valve 75, so that the drying effect of the material is optimized as much as possible.
It is worth explaining that a screw socket is formed in the surface of the fixing frame 41, a screw rod 8 is connected to the internal thread of the screw socket, the screw rod 8 is used for supporting the feeding box 7, a rotating wheel 81 is installed at the bottom of the screw rod 8, the rotating wheel 81 is used for rotating the screw rod 8, when the feeding box 7 is lifted, the rotating wheel 81 is used for driving the screw rod 8 to rotate along the inside of the screw socket and push the feeding box 7 upwards, so that the feeding box 7 is convenient and fast to move upwards, manpower is saved, and the feeding box 7 can reach a stable state under the limiting support of the supporting arm 73.
Example 2
In order to classify and recycle the scraped residues, this embodiment is improved on the basis of embodiment 1, and please refer to fig. 6 and 7:
the surface of the bottom plate 1 is provided with a material receiving box 13, the material receiving box 13 is positioned right below the tower body 2, a filter plate 131 is arranged inside the material receiving box 13, the filter plate 131 is used for filtering materials, a baffle 134 is arranged on one side of the material receiving box 13, after residues are scraped, the materials enter the filter plate 131 and then are subjected to primary filtering, the filter plate 131 can filter out larger residual particles, the residues with larger particles can be used for chemical medicines or medicaments, and the residues with smaller particles need to be mixed and remolded again for undersized powder, so that the materials in two states are separated and collected, convenience is improved during subsequent secondary use, and the cost is saved; the baffle 134 is opened to discharge the internal materials outwards, so that the material receiving box 13 can be emptied in time to be beneficial to subsequent use.
Further, breach 12 has been seted up on the surface of bottom plate 1, connect workbin 13 to be located breach 12 directly over, side arm 132 is all installed to the side tip of connecing workbin 13, the surface of side arm 132 all rotates and is connected with adapter sleeve 133, adapter sleeve 133 and body of rod fixed connection, open as baffle 134, the horizontally placed connects workbin 13 and can't be all outwards arrange the inside material when clean, through rotating side arm 132, side arm 132 can rotate along adapter sleeve 133's surface, the bottom that connects workbin 13 can slide in breach 12, connect workbin 13 to take place the slope this moment, so that connect workbin 13 can all outwards discharge the inside material, can not remain in, collect when doing benefit to the material drying of next different attributes.
Example 3
In order to scrape off the feed box 7 in the same way as the tower 2, the present embodiment differs from embodiment 1 in that reference is made to fig. 8 to 10:
the side of the connecting arm 44 is connected with the fixing plate 9, the end of the fixing plate 9 is provided with two connecting pieces 91, two cross arms 92 are arranged between the connecting pieces 91, the rectangle formed by the cross arms 92 and the connecting pieces 91 is matched with the feeding box 7, the bottom surfaces of the connecting pieces 91 and the cross arms 92 are symmetrically provided with two fixing springs 93, the bottoms of the fixing springs 93 are connected with elastic parts 94, the elastic parts 94 are used for scraping the inner wall of the feeding box 7, when the feeding box 7 is used, the fixing plate 9 is synchronously downward due to the connection of the connecting arm 44 and the fixing plate 9 when the turntable 420 is rotated, so that the elastic parts 94 can contact the inner wall of the feeding box 7 for scraping, the used feeding box 7 is cleaned from residues, before scraping, the valve 75 needs to be closed, the materials are blocked in the guide pipe 74, and the states of the mixed materials and the dried materials are different, when the materials attached to the inner wall of the tower body 2 are all discharged, the valve 75 is opened again, so that the scraped materials enter the interior of the tower body 2 downwards along the material guide pipe 74, two types of residual materials can be classified, the situation that the two types of residual materials cannot be mixed together is avoided, the position of the feeding box 7 is located above the top of the tower body 2, and further the elastic part 94 is connected through the fixed spring 93, namely when the elastic part 94 reaches the lowest position of the inner wall of the feeding box 7, the fixed spring 93 can also downwards extrude the elastic part 94, the elastic part 94 does not move any more, but the dust removing plate 51 on the other side can not be influenced to continuously scrape the interior of the tower body 2 downwards, so that two mutually matched effects are achieved, and the basic effect of the dust removing plate can not be influenced; the elastic member 94 may be an elastic element, such as a spring element or a rubber element, wherein when the spring element is used, a layer of cloth is required to be sleeved on the outer side of the spring element for wiping off the residual material.
Further, the bottom of the feeding box 7 is conical, the elastic part 94 is formed by hinging two opposite monomer parts, and the bottom of the connecting piece 91 is provided with a push rod 96; the surface through connection of fixed plate 9 has spacing arm 95, the bottom surface and roof 3 fixed connection of spacing arm 95, can promote certain stability to fixed plate 9 when following the motion of linking arm 44 through spacing arm 95, simultaneously the length dimension of push rod 96 is less than fixed spring 93, the bottom side toper of feed box 7 is for the convenience of discharging, and then when elastic component 94 contacts the unable gliding once more of rectangular inner wall of feed box 7, push rod 96 can contact two relative articulated elastic component 94, elastic component 94's articulated department can take place to deform, form the triangle-shaped structure gradually, and push rod 96 promotes elastic component 94 contact downwards, elastic component 94 contacts the toper inner wall of feed box 7, in order to carry out comprehensive scraping to the inner wall of feed box 7, improve clear effect.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.