A pressure spray drying tower

Abstract

The invention relates to the technical field of drying towers and discloses a pressure-type spray drying tower, comprising a heating chamber for holding dried wet liquid, a motor being installed on the top of the heating chamber; a sprayer being arranged on the top of the heating chamber and connected to the end of a pipe for conveying the wet liquid; a pressing plate having a bottom in contact with the top of a screening plate, and capable of crushing agglomerated materials scraped off by a scraper rod into powder, so as to facilitate better screening and filtering by the screening plate, and preventing materials adhering to the inner wall of the heating chamber from being in contact with hot air for a long time and becoming agglomerated and unable to be filtered and screened; and when the pressing plate moves up and down and contacts the top of the screening plate, the screening plate vibrates up and down in a slot by a vibration spring, thereby accelerating the filtering and screening speed of the materials on the top of the screening plate, and a limiting slot II is provided at the edge of the screening plate, so that the screening plate can be limited and prevented from deviation when vibrating up and down with a rotating rod.

Description

Technical Field

[0001] The invention relates to the technical field of drying towers, in particular to a pressure-type spray drying tower. Background Art

[0002] A spray drying tower is a commonly used drying equipment used to spray liquid or slurry into a drying chamber through a sprayer. After contact with hot air and heat exchange, the water in the liquid evaporates to obtain a dry product in the form of solid particles or powder. Its working principle is that the liquid or slurry is first atomized into small particles by a sprayer to form mist droplets. These mist droplets exchange heat with the hot air in the drying chamber, causing the water to evaporate. The evaporated solid particles or powder are collected from the collector at the bottom of the drying chamber and then screened through a screen.

[0003] When liquid is sprayed out through the sprayer, a large amount of liquid will be sprayed and adhere to the inner wall of the heating chamber due to excessive spray volume and strong spray force. Over time, the adhesion on the inner wall of the heating chamber gradually accumulates, and the interior of the heating chamber is always in a high temperature state, causing the liquid on the inner wall to gradually dry and clump. When it falls, it always stays on the top of the screen and cannot be filtered and discharged, affecting subsequent operations.

[0004] In view of this, the present invention solves the above technical problems by proposing a pressure spray drying tower. Summary of the Invention

[0005] In view of the shortcomings of the above-mentioned background technology, the present invention provides a technical solution of a pressure spray drying tower, which can crush the agglomerated materials into powder so as to facilitate better screening and filtration by the screening plate, thereby solving the problems raised in the above-mentioned background technology.

[0006] The present invention provides the following technical solution: a pressure spray drying tower, comprising a heating chamber, the heating chamber being used to hold the dried wet liquid material, and a motor being installed on the top of the heating chamber;

[0007] A sprayer is provided at the top of the heating chamber and is connected to the end of a pipeline for conveying the wet liquid, so as to atomize the wet liquid and spray it out in the form of a spray;

[0008] Four injection pipes are circumferentially connected to the lower surface of the sprayer;

[0009] A lifting block, the lifting block being connected to the interior of the heating chamber through a material delivery pipe;

[0010] The heater heats the incoming air and then passes it into the heating chamber through the gas delivery pipe to dry the atomized wet liquid;

[0011] A filtering mechanism, the filtering mechanism comprising a screening plate and a crushed material assembly, the screening plate being clamped to the inner lower surface of the heating chamber via a circular clamping groove I on the inner wall of the heating chamber, a plurality of vibration springs being circumferentially distributed on the upper and lower surfaces of the screening plate, the vibration springs being fixed in the clamping groove I, and each vibration spring being symmetrically distributed up and down and respectively contacting the upper and lower surfaces of the screening plate;

[0012] The crushing assembly includes a rotating rod and a rotating part, which is installed at the driving end of the motor, and a bevel gear is fixed on the top of the rotating rod. The rotating part is driven by the motor to rotate and mesh with the bevel gear to drive the rotating rod to rotate. A reciprocating rod is fixed inside the rotating rod, and the top of the reciprocating rod is fixed inside the top of the rotating rod. A lifting rod is sleeved inside the rotating rod, and the lifting rod is sleeved on the outside of the reciprocating rod. The rotation of the reciprocating rod can drive the lifting rod to move up and down outside the reciprocating rod. A pressure plate is fixed at the bottom of the lifting rod, and a plurality of sharp teeth I are fixed at the bottom of the pressure plate, which can quickly and effectively crush harder agglomerated materials. A plurality of circumferentially distributed scraping rods are fixed on the outer wall of the rotating rod, and the scraping rod is close to the inner wall of the heating chamber. The scraping rod is close to the inner wall of the heating chamber and can scrape off the material adhered to the inner wall of the heating chamber as the rotating rod rotates, and the agglomerated material contained in the scraped material is filtered and screened through the screening plate, and the screened agglomerated material is crushed by the up and down movement of the lifting rod and the pressure plate.

[0013] As a preferred technical solution of the present invention, a material-dipping mechanism is provided on the top of the screening plate, and the material-dipping mechanism includes a material-dipping claw, and a plurality of sharp teeth II are fixed to the bottom of the material-dipping claw, and the plurality of sharp teeth II are in contact with the top of the screening plate. A slot II corresponding to the material-dipping claw is provided on the top of the screening plate, and a lifting rod I is fixed in the middle of the bottom of the lifting rod, and the lifting rod I extends to the bottom of the screening plate, and a protrusion is fixed on the surface of the lifting rod I away from the top of the material-dipping claw. An inclined groove I is provided on the inner wall of the middle part of the material-dipping claw, and the lifting rod I moves up and down with the lifting rod through the corresponding inclined groove I to drive the material-dipping claw in the material-dipping mechanism to rotate back and forth to disperse the material and speed up the screening speed.

[0014] As a preferred technical solution of the present invention, when the pressing plate is pressed down, the protrusion contacts the inclined groove I so that the material-moving claws rotate to effectively engage with the pressing plate, and a material collecting mechanism is provided on the top of the screening plate.

[0015] As a preferred technical solution of the present invention, the gathering mechanism includes a pushing block that is cross-symmetrically distributed and has a pushing function. A plurality of sharp teeth III are fixed to the bottom of the pushing block so that the pushing block can screen and filter the agglomerated materials and crushed materials through the sharp teeth III when pushing the materials. A plurality of chutes corresponding to the pushing blocks are provided on the surface of the screening plate, and the pushing block slides on the top of the screening plate through the mutual cooperation of the connecting rod III and the chute.

[0016] As an optimal technical solution of the present invention, a sliding rod is fixed at the bottom of the connecting rod III, a hinged rod is hinged at one end of the sliding rod, a pressure rod is hinged at the bottom end of the hinged rod, and the bottom of the pressure rod is in pressure contact with a pressure frame I and a pressure frame II, the pressure frame I and the pressure frame II are cross-distributed, the pressure frame II is concave and there is a distance between it and the pressure frame I, the pressure rod, pressure frame I and pressure frame II are all supported and balanced by a support rod, the top of the support rod is fixed to the end of the pressure rod by a connecting shaft, the top of the support rod can move according to the up and down movement of the pressure rod, and one end of the bottom of the support rod is fixed to the inner wall of the heating chamber.

[0017] As a preferred technical solution of the present invention, a rotating sleeve is rotatably installed inside the heating chamber, two groups of blocks are fixed on the outside of the rotating sleeve, and the installation directions of the two groups of blocks are on the same horizontal line. A Z-shaped groove is provided on the circumference of the inner wall of the rotating sleeve, and the bottom of the lifting rod I is located inside the rotating sleeve through a slider and slides up and down along the Z-shaped groove to drive the rotating sleeve to rotate in a single direction.

[0018] As a preferred technical solution of the present invention, a Z-shaped groove is provided on the surface of the rotating sleeve, a connecting ring is rotatably connected to the top of the rotating sleeve, a pressure spring is rotatably connected to the top of the connecting ring, the top of the pressure spring is fixedly connected to the bottom of the lifting block, a lifting rod II is fixed to the bottom of the lifting rod I, and the bottom of the lifting rod II can be inserted into the corresponding Z-shaped groove, the top of the Z-shaped groove is a sloped structure, and a limiting block is rotatably connected to the side wall of the Z-shaped groove, and the bottom of the lifting rod II is limited when sliding in the Z-shaped groove through the limiting block and the sloped structure of the top.

[0019] As a preferred technical solution of the present invention, a lifting block is fixed on the support rod through a fixing rod II, the lifting rod I passes through the middle of the lifting block, a connecting rod I is fixed on the top of the lifting block, the top of the connecting rod I passes through the screening plate and is stuck in the middle of the bottom of the material removing claw and is rotatably connected with the material removing claw, and the two adjacent surfaces of the screening plate are provided with a bevel groove II.

[0020] As a preferred technical solution of the present invention, a moving rod is fixed at a position near the hinged rod at one end of the sliding rod, and the end of the moving rod is rotatably connected to a limiting wheel. The position where the outer wall of the limiting wheel contacts is a straight long strip, and the straight long strip is fixed to the moving rod. One side of the lifting block is slidably connected to a fixed rod I, the bottom of the fixed rod I is fixed to the top of the support rod, and the connecting ring is fixed to the top of the fixed rod I through the connecting rod II.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] 1. The bottom of the pressing plate contacts the top of the screening plate, which can crush the agglomerated materials scraped off by the scraper into powder, so that the screening plate can better screen and filter, and avoid the materials adhering to the inner wall of the heating chamber from being in contact with the hot air for a long time and becoming agglomerated and unable to be filtered; and when the pressing plate moves up and down and contacts the top of the screening plate, the screening plate vibrates up and down in the slot through the vibration spring, which can speed up the filtering and screening speed of the materials on the top of the screening plate, and a limiting slot II is provided on the edge of the screening plate, which can limit the screening plate when it vibrates up and down with the rotating rod to prevent it from running off.

[0023] 2. The crushed and flattened materials can be dispersed by the rotation of the material-moving claws on the top of the screening plate, so that they can pass through the screening plate quickly to avoid clogging the screen holes.

[0024] 3. Press frame I presses on the bottom of the pressure rod, so that the pressure rod moves upward at the same time, pulling the sliding rod through the top of the hinged rod to drive the push block to move to the middle of the screening plate, which can push the agglomerated materials scraped by the scraper rod to move to the middle and concentrate them, so that the pressure plate can concentrate on crushing them and avoid the agglomerated materials from being too scattered and not conducive to crushing. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 Schematic diagram of the internal structure of the present invention;

[0026] Figure 2 This is a schematic diagram of the appearance structure of the present invention;

[0027] Figure 3 For the present invention Figure 1 Internal structure diagram in ;

[0028] Figure 4 For the present invention Figure 3 A partial schematic diagram in ;

[0029] Figure 5 For the present invention Figure 4 Structural diagram of the middle screening plate;

[0030] Figure 6 For the present invention Figure 5 A magnified view of the structure of A1 in the middle;

[0031] Figure 7 For the present invention Figure 5 The bottom diagram in ;

[0032] Figure 8 For the present invention Figure 7 A partial schematic diagram in ;

[0033] Figure 9 For the present invention Figure 8 A2 is an enlarged view of the structure;

[0034] Figure 10For the present invention Figure 4 Structural diagram of the middle push block;

[0035] Figure 11 For the present invention Figure 10 Bottom view in;

[0036] Figure 12 For the present invention Figure 11 A3 structure enlarged view;

[0037] Figure 13 For the present invention Figure 12 A4-sized structure diagram.

[0038] In the figure: 1, heating chamber; 2, sprayer; 201, spray pipe; 202, rotating member; 3, rotating rod; 301, scraper rod; 302, lifting rod; 303, pressing plate; 305, reciprocating rod; 306, bevel gear; 4, material removal claw; 401, lifting rod I; 4011, lifting rod II; 402, protrusion; 403, inclined groove I; 404, connecting rod I; 5, screening plate; 501, pushing block; 5011, connecting rod III; 50 2. Vibration spring; 503. Slide rod; 504. Articulated rod; 505. Pressure rod; 506. Pressure frame I; 507. Pressure frame II; 508. Support rod; 509. Rotating sleeve; 5091. Block; 5092. Z-shaped groove; 50921. Limit block; 5093. Connecting ring; 6. Lifting block; 601. Inclined groove II; 602. Moving rod; 603. Limiting wheel; 604. Pressure spring; 605. Fixed rod I; 7. Heater. DETAILED DESCRIPTION

[0039] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0040] For example 1, please refer to Figure 1-5 As shown,

[0041] A pressure spray drying tower comprises a heating chamber 1, the heating chamber 1 is used to hold the dried wet material liquid, and a motor is installed on the top of the heating chamber 1;

[0042] The sprayer 2 is arranged at the top of the heating chamber 1 and is connected to the end of the pipeline for conveying the wet liquid to atomize the wet liquid and spray it out in the form of a spray;

[0043] Injection pipes 201, four of which are circumferentially connected to the lower surface of the sprayer 2;

[0044] The lifting block 6 is connected to the interior of the heating chamber 1 through a material conveying pipe;

[0045] Heater 7, which heats the incoming air and then passes it through the gas delivery pipe into the heating chamber 1 to dry the atomized wet liquid;

[0046] The wet material liquid inside the lifting block 6 is transported to the sprayer 2 through the delivery pipe, and then atomized by the sprayer 2 and sprayed out through the spray pipe 201.

[0047] The filtering mechanism includes a screening plate 5 and a crushed material assembly. The screening plate 5 is clamped to the inner lower surface of the heating chamber 1 through a circular clamping groove I on the inner wall of the heating chamber 1. Multiple vibration springs 502 are circumferentially distributed on the upper and lower surfaces of the screening plate 5. The vibration springs 502 are fixed in the clamping groove I, and each vibration spring 502 is symmetrically distributed up and down and contacts the upper and lower surfaces of the screening plate 5 respectively.

[0048] The crushing assembly includes a rotating rod 3 and a rotating member 202. The rotating member 202 is installed at the driving end of the motor. A bevel gear 306 is fixed on the top of the rotating rod 3. The rotating member 202 is driven by the motor to rotate and engage with the bevel gear 306 to drive the rotating rod 3 to rotate. A reciprocating rod 305 is fixed inside the rotating rod 3. The top of the reciprocating rod 305 is fixed to the top of the rotating rod 3. A lifting rod 302 is sleeved inside the rotating rod 3. The lifting rod 302 is sleeved on the outside of the reciprocating rod 305. The rotation of the reciprocating rod 305 can drive the lifting rod 302 to move up and down outside the reciprocating rod 305. A pressing plate 303 is fixed at the bottom of the lowering rod 302, and a plurality of sharp teeth I are fixed at the bottom of the pressing plate 303, which can quickly and effectively crush harder agglomerated materials. A plurality of circumferentially distributed scraping rods 301 are fixed to the outer wall of the rotating rod 3, and the scraping rods 301 are close to the inner wall of the heating chamber 1. The scraping rods 301 are close to the inner wall of the heating chamber 1 and rotate with the rotating rod 3 to scrape off the materials adhered to the inner wall of the heating chamber 1, and the agglomerated materials contained in the scraped materials are filtered and screened through the screening plate 5, and the screened agglomerated materials are crushed by the up and down movement of the lifting rod 302 and the pressing plate 303.

[0049] When the equipment is working, the material may easily adhere to the inner wall of the heating chamber 1 due to the large amount of spray and the large force of spray. The motor drives the rotating member 202 to engage with the bevel gear 306 to drive the rotating rod 3 and the reciprocating rod 305 to rotate. At the same time, the scraping rod 301 is close to the inner wall of the heating chamber 1 and rotates in the same direction as the rotating rod 3 to scrape off the material adhered to the inner wall of the heating chamber 1 and make it fall off, thereby avoiding a large amount of liquid material adhering to the inner wall of the heating chamber 1. When the reciprocating rod 305 rotates, it drives the lifting rod 302 located inside the rotating rod 3 to move up and down. When the lifting rod 302 moves down, the bottom of the pressing plate 303 is in contact with the screening plate. 5, which can crush the agglomerated materials scraped off by the scraper rod 301 into powder, so that the screening plate 5 can better screen and filter, and prevent the materials adhering to the inner wall of the heating chamber 1 from being in contact with the hot air for a long time and becoming agglomerated and unable to be filtered; and when the pressing plate 303 moves up and down and contacts the top of the screening plate 5, the screening plate 5 vibrates up and down in the card slot through the vibration spring 502, which can accelerate the filtering speed of the materials on the top of the screening plate 5, and a limiting groove II is provided on the edge of the screening plate 5, which can limit the screening plate 5 when it vibrates up and down with the rotating rod 3 to prevent it from running off.

[0050] It should be noted that the screening plate 5 and the vibration spring 502 are only in contact but not connected, which can increase the vibration amplitude of the screening plate 5.

[0051] Example 2, based on Example 1:

[0052] See also Figure 4-Figure 6 As a specific embodiment of the present invention, a material-dipping mechanism is provided on the top of the screening plate 5. The material-dipping mechanism includes a material-dipping claw 4. A plurality of sharp teeth II are fixed to the bottom of the material-dipping claw 4. The plurality of sharp teeth II are in contact with the top of the screening plate 5. A slot II corresponding to the material-dipping claw 4 is provided on the top of the screening plate 5. The material-dipping claw 4 is connected to the top of the screening plate 5 by sliding up and down through the slot II. A lifting rod I 401 is fixed to the middle of the bottom of the lifting rod 302. The lifting rod I 401 passes through the screening plate 5 and extends to the bottom. The lifting rod I A protrusion 402 is fixed on the surface of 401 at a position away from the top of the material-discharging claw 4, and a bevel groove I 403 is opened on the middle inner wall of the material-discharging claw 4. The lifting rod I 401 moves up and down with the lifting rod 302, passing through the corresponding back and forth bevel groove I 403 of the protrusion 402, driving the material-discharging claw 4 in the material-discharging mechanism to rotate back and forth to disperse the material and speed up the screening speed; when the pressing plate 303 is pressed down, the protrusion 402 contacts the bevel groove I 403, so that the material-discharging claw 4 rotates until it is effectively engaged with the pressing plate 303.

[0053] When the lifting rod 302 is lifted or lowered, the material-moving claw 4 moves in the same direction with it. When the lifting rod I 401 moves downward, the protrusion 402 contacts and passes through the inclined groove I 403, causing the inclined groove I 403 to rotate to an angle that can engage with the pressing plate 303. Then the pressing plate 303 descends to crush the agglomerated material. When the pressing plate 303 is away from the top of the screening plate 5, the protrusion 402 rises and passes through the inclined groove I 403, causing the material-moving claw 4 to rotate in the opposite direction and return to its original position. The rotation of the material-moving claw 4 on the top of the screening plate 5 can disperse the crushed and flattened material, allowing it to quickly pass through the screening plate 5 to avoid clogging the sieve holes.

[0054] It should be noted that: in the initial state, the material-moving claw 4 exits the slot located at the top of the screening plate 5 and corresponds to the slot II.

[0055] Example 3, based on Example 2:

[0056] See also Figure 7-Figure 9 and Figure 11-13 As shown, as a specific embodiment of the present invention, a collection mechanism is provided on the top of the screening plate 5, and the collection mechanism includes a pushing block 501 which is cross-symmetrically distributed and has a pushing function. A plurality of sharp teeth III are fixed to the bottom of the pushing block 501 so that the pushing block 501 can screen and filter the agglomerated materials and crushed materials through the sharp teeth III when pushing the materials. A plurality of chutes corresponding to the pushing block 501 are provided on the surface of the screening plate 5, and the pushing block 501 slides on the top of the screening plate 5 through the mutual cooperation of the connecting rod III 5011 and the chute.

[0057] A sliding rod 503 is fixed at the bottom of the connecting rod III 5011, and a hinged rod 504 is hinged at one end of the sliding rod 503. A pressure rod 505 is hinged at the bottom end of the hinged rod 504. The bottom of the pressure rod 505 is in pressure contact with a pressure frame I 506 and a pressure frame II 507. The pressure frame I 506 and the pressure frame II 507 are distributed in a cross pattern. The pressure frame II 507 is concave and there is a distance between it and the pressure frame I 506. The pressure rod 505, the pressure frame I 506, and the pressure frame II 507 are all supported and balanced by the support rod 508. The top of the support rod 508 is fixed to the end of the pressure rod 505 through the connecting shaft. The top of the support rod 508 can move according to the up and down movement of the pressure rod 505. One end of the bottom of the support rod 508 is fixed to the inner wall of the heating chamber 1.

[0058] A rotating sleeve 509 is rotatably installed inside the heating chamber 1, and two sets of blocks 5091 are fixed to the outside of the rotating sleeve 509, and the installation directions of the two sets of blocks 5091 are on the same horizontal line. A Z-shaped groove 5092 is provided on the circumference of the inner wall of the rotating sleeve 509. The bottom of the lifting rod I 401 is located inside the rotating sleeve 509 through a slider and slides up and down along the Z-shaped groove 5092 to drive the rotating sleeve 509 to rotate in a single direction; a Z-shaped groove 5092 is provided on the surface of the rotating sleeve 509, and a connecting ring 5093 is rotatably connected to the top of the rotating sleeve 509. The top of the ring 5093 is rotatably connected to a pressure spring 604, and the top of the pressure spring 604 is fixedly connected to the bottom of the lifting block 6. The bottom of the lifting rod I 401 is fixed with a lifting rod II 4011, and the bottom of the lifting rod II 4011 can be inserted into the corresponding Z-shaped groove 5092. The top of the Z-shaped groove 5092 is a sloped structure, and the side wall of the Z-shaped groove 5092 is rotatably connected to a limiting block 50921. The limiting block 50921 and the sloped structure at the top limit the bottom of the lifting rod II 4011 when it slides in the Z-shaped groove 5092.

[0059] The bottom of the lifting rod II 4011 moves up and down inside the rotating sleeve 509. When the lifting rod II 4011 descends, the slider moves along the Z-shaped groove 5092 on the inner wall of the rotating sleeve 509, causing the rotating sleeve 509 to rotate. The block 5091 rotates in the same direction as the rotating sleeve 509. When the upper block 5091 rotates with the rotating sleeve 509 and engages with the pressing frame I 506, the slider on the lifting rod II 4011 slides in the vertical groove of the Z-shaped groove 5092 to the top and then rotates the sleeve. 509 and the pressing frame I506 are lifted upward, and as the pressing frame I506 presses on the bottom of the pressing rod 505, the pressing rod 505 moves upward at the same time, so that the angle between the hinged rod 504 and the pressing frame I506 gradually becomes smaller. The top of the hinged rod 504 pulls the sliding rod 503 to drive the pushing block 501 to move toward the middle of the screening plate 5, which can push the agglomerated materials scraped by the scraping rod 301 to move to the middle and concentrate them, so that the pressing plate 303 can be used for concentrated crushing, thereby preventing the agglomerated materials from being too dispersed and not conducive to crushing;

[0060] When the upper clamping block 5091 is engaged with the pressing frame I 506, the lower clamping block 5091 is located between the pressing frame II 507 and is parallel to the pressing frame II 507, so as to prevent the lower clamping block 5091 from engaging with the pressing frame II 507 and driving the rotating sleeve 509 to rise when the rotating sleeve 509 moves upward.

[0061] Example 4, based on Example 3:

[0062] Please refer to the figure Figure 7 and 10As shown, as a specific embodiment of the present invention, a lifting block 6 is fixed on the support rod 508 through a fixed rod II, the lifting rod I401 passes through the middle of the lifting block 6, and a connecting rod I404 is fixed on the top of the lifting block 6. The top of the connecting rod I404 passes through the screening plate 5 and is stuck in the middle of the bottom of the material-diverting claw 4 and is rotatably connected between the material-diverting claw 4, and two adjacent surfaces of the screening plate 5 are provided with a bevel groove II601; a moving rod 602 is fixed at a position near the hinged rod 504 at one end of the sliding rod 503, and the end of the moving rod 602 is rotatably connected to the limiting wheel 603, and the position where the outer wall of the limiting wheel 603 contacts is a straight long strip, and the straight long strip is fixed to the moving rod 602, and one side of the lifting block 6 is slidably connected to the fixed rod I605, the bottom of the fixed rod I605 is fixed to the top of the support rod 508, and the connecting ring 5093 is fixed to the top of the fixed rod I605 through the connecting rod II.

[0063] When one set of slide bars 503 moves toward the middle of the screening plate 5, it drives the moving bar 602 and the limiting wheel 603 to move toward the direction of the lifting block 6. The limiting wheel 603 passes through the inclined groove II 601 and pulls the lifting block 6 and the material-discharging claw 4 downward, so that the material-discharging claw 4 and the top of the screening plate 5 remain in the same plane, avoiding obstruction of the pushing block 501 when pushing the material to the middle, and the position where the outer wall of the limiting wheel 603 contacts the straight strip block can make the long strip block always contact the inclined groove II 601 when 603 passes through the inclined groove II 601, so that the material-discharging claw 4 always remains flush with the top of the screening plate 5, avoiding the lifting block 6 automatically bouncing up and affecting the pushing block 501 when pushing the material.

[0064] It should be noted that when the lifting rod I 401 moves upward, the material-moving claw 4 rotates in the opposite direction to return to its original position and aligns with the slot II, so that the lifting block 6 can pull the material-moving claw 4 directly into the slot II when it descends.

[0065] It should be noted that, in this document, relational terms such as first and, second, etc. are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include," "comprise," or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. At the same time, in the drawings of the present invention, fill patterns are only used to distinguish layers and do not make any other limitations.

[0066] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A pressure spray drying tower comprising: A heating chamber (1), the heating chamber (1) is used to hold the dried wet liquid, and a motor is installed on the top of the heating chamber (1); A sprayer (2), the sprayer (2) being arranged at the top of the heating chamber (1), the sprayer (2) being connected to the end of a pipeline for conveying the wet liquid, for atomizing the wet liquid and spraying it out in the form of a spray; Spray pipes (201), the spray pipes (201) are circumferentially connected to the lower surface of the sprayer (2), and there are four of them; A lifting block (6), the lifting block (6) being in communication with the interior of the heating chamber (1) via a material delivery pipe; A heater (7) is used to heat the incoming air and then the air is transported through a gas delivery pipe into the heating chamber (1) to dry the atomized wet liquid; The invention is characterized in that: the filtering mechanism comprises a screening plate (5) and a crushed material assembly, the screening plate (5) is clamped on the inner lower surface of the heating chamber (1) through a circular clamping groove I on the inner wall of the heating chamber (1), a plurality of vibration springs (502) are circumferentially distributed on the upper and lower surfaces of the screening plate (5), the vibration springs (502) are fixed in the clamping groove I, and each vibration spring (502) is symmetrically distributed up and down and contacts the upper and lower surfaces of the screening plate (5) respectively; The crushing assembly comprises a rotating rod (3) and a rotating member (202), wherein the rotating member (202) is mounted on the driving end of the motor, a bevel gear (306) is fixed on the top of the rotating rod (3), and the rotating member (202) is driven by the motor to rotate and engage with the bevel gear (306) to drive the rotating rod (3) to rotate, a reciprocating rod (305) is fixed inside the rotating rod (3), the top of the reciprocating rod (305) is fixed inside the top end of the rotating rod (3), and a lifting rod (302) is sleeved inside the rotating rod (3), and the lifting rod (302) is sleeved on the outside of the reciprocating rod (305). The reciprocating rod (305) can be rotated to drive the lifting rod (302) to move between the reciprocating rod (305) and the reciprocating rod (305). ) moves up and down on the outside, a pressing plate (303) is fixed at the bottom of the lifting rod (302), and a plurality of sharp teeth I are fixed at the bottom of the pressing plate (303) to quickly and effectively crush harder agglomerated materials, and a plurality of scraping rods (301) distributed circumferentially are fixed to the outer wall of the rotating rod (3), and the scraping rods (301) are closely attached to the inner wall of the heating chamber (1). The scraping rods (301) are closely attached to the inner wall of the heating chamber (1) and can scrape off the materials adhered to the inner wall of the heating chamber (1) when rotating with the rotating rod (3), and the agglomerated materials contained in the scraped materials are filtered and screened by the screening plate (5), and the agglomerated materials screened out are crushed by the lifting rod (302) and the pressing plate (303) moving up and down; A material collecting mechanism is provided on the top of the screening plate (5), and the material collecting mechanism includes a pushing block (501) which is distributed in a cross-symmetrical manner and has a pushing function. A plurality of sharp teeth III are fixed to the bottom of the pushing block (501) so that the pushing block (501) can screen and filter the agglomerated materials and the crushed materials through the sharp teeth III when pushing the materials. A plurality of chutes corresponding to the pushing block (501) are provided on the surface of the screening plate (5), and the pushing block (501) slides on the top of the screening plate (5) through the mutual cooperation of the connecting rod III (5011) and the chutes.

2. A pressure spray drying tower according to claim 1, characterized in that: The top of the screening plate (5) is provided with a material-dispensing mechanism, which includes a material-dispensing claw (4). The bottom of the material-dispensing claw (4) is fixed with a plurality of sharp teeth II, which are in contact with the top of the screening plate (5). The top of the screening plate (5) is provided with a slot II corresponding to the material-dispensing claw (4). A lifting rod I (401) is fixed in the middle of the bottom of the lifting rod (302). The lifting rod I (401) passes through the screening plate (5) and extends to the bottom. A protrusion (402) is fixed on the surface of the lifting rod I (401) away from the top of the material-dispensing claw (4). The inner wall of the middle of the material-dispensing claw (4) is provided with an inclined groove I (403). The lifting rod I (401) moves up and down with the lifting rod (302) and passes through the inclined groove I (403) corresponding to the protrusion (402) to drive the material-dispensing claw (4) in the material-dispensing mechanism to rotate back and forth to disperse the material and speed up the screening speed.

3. A pressure spray drying tower according to claim 2, characterized in that: When the pressing plate (303) is pressed downward, the protrusion (402) contacts the inclined groove I (403) so that the material-moving claw (4) rotates until it is effectively engaged with the pressing plate (303).

4. A pressure spray drying tower according to claim 1, characterized in that: A sliding rod (503) is fixed at the bottom of the connecting rod III (5011), and one end of the sliding rod (503) is hinged to a hinged rod (504), and the bottom end of the hinged rod (504) is hinged to a pressure rod (505), and the bottom of the pressure rod (505) is in pressure contact with a pressure frame I (506) and a pressure frame II (507), and the pressure frame I (506) and the pressure frame II (507) are distributed in a cross-shaped manner, and the pressure frame II (507) is concave and has a spacing between it and the pressure frame I (506). The pressure rod (505), the pressure frame I (506), and the pressure frame II (507) are all supported and balanced by a support rod (508), and the top of the support rod (508) is fixed to the end of the pressure rod (505) through a connecting shaft. The top of the support rod (508) can move according to the up and down movement of the pressure rod (505), and one end of the bottom of the support rod (508) is fixed to the inner wall of the heating chamber (1).

5. A pressure spray drying tower according to claim 2, characterized in that: A rotating sleeve (509) is rotatably installed inside the heating chamber (1), and two groups of clamping blocks (5091) are fixed outside the rotating sleeve (509), and the installation directions of the two groups of clamping blocks (5091) are on the same horizontal line. A Z-shaped groove (5092) is provided on the circumference of the inner wall of the rotating sleeve (509), and the bottom of the lifting rod I (401) is located inside the rotating sleeve (509) through a slider and slides up and down along the Z-shaped groove (5092) to drive the rotating sleeve (509) to rotate in a single direction.

6. A pressure spray drying tower according to claim 5, characterized in that: A Z-shaped groove (5092) is provided on the surface of the rotating sleeve (509), and a connecting ring (5093) is rotatably connected to the top of the rotating sleeve (509), and a pressure spring (604) is rotatably connected to the top of the connecting ring (5093). The top of the pressure spring (604) is fixedly connected to the bottom of the lifting block (6). A lifting rod II (4011) is fixed to the bottom of the lifting rod I (401), and the bottom of the lifting rod II (4011) can be inserted into the corresponding Z-shaped groove (5092). The top of the Z-shaped groove (5092) is a sloped structure, and a limiting block (50921) is rotatably connected to the side wall of the Z-shaped groove (5092). The limiting block (50921) and the sloped structure at the top are used to limit the bottom of the lifting rod II (4011) when it slides in the Z-shaped groove (5092).

7. A pressure spray drying tower according to claim 5, characterized in that: A lifting block (6) is fixed on the support rod (508) via a fixing rod II. The lifting rod I (401) passes through the middle of the lifting block (6). A connecting rod I (404) is fixed to the top of the lifting block (6). The top of the connecting rod I (404) passes through the screening plate (5) and is stuck in the middle of the bottom of the material-moving claw (4) and is rotatably connected to the material-moving claw (4). The two adjacent surfaces of the screening plate (5) are both provided with an inclined groove II (601).

8. A pressure spray drying tower according to claim 6, characterized in that: A moving rod (602) is fixed at a position near one end of the sliding rod (503) and the hinge rod (504). The end of the moving rod (602) is rotatably connected to the limiting wheel (603). The position where the outer wall of the limiting wheel (603) contacts is a straight long strip, and the straight long strip is fixed to the moving rod (602). A side surface of the lifting block (6) is slidably connected to a fixing rod I (605). The bottom of the fixing rod I (605) is fixed to the top of the support rod (508), and the connecting ring (5093) is fixed to the top of the fixing rod I (605) through the connecting rod II.

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