CN217489761U

CN217489761U - Efficient spray dryer without sticking to wall

Info

Publication number: CN217489761U
Application number: CN202221317451.4U
Authority: CN
Inventors: 高剑杰; 徐瑞鹤; 冯志英
Original assignee: Wuxi Modern Spray Drying Equipment Co ltd
Current assignee: Wuxi Modern Spray Drying Equipment Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-09-27
Anticipated expiration: 2032-05-30

Abstract

The utility model discloses a non-stick high-efficiency spray dryer, which belongs to the technical field of dryers, and the technical proposal key point of the dryer comprises a dryer body, a drying main tower is arranged in the dryer body, the side wall of the drying main tower comprises an inner layer barrel and an outer layer barrel, two cooling liquid cavities are arranged between the inner layer barrel and the outer layer barrel, two chutes are communicated at the opposite positions of the side wall of the inner layer barrel, two heat-insulating rubber belts are respectively attached to one side of the chutes which is opposite to each other, the two heat-insulating rubber belts are respectively wound between the outer walls of two rotating shafts on the same vertical line, the heat-insulating rubber belts are wider than the chutes and are closely attached to the peripheral side wall of the inner layer barrel and can rotate, one side of the heat-insulating rubber belts which is opposite to each other is fixedly connected with an air inlet pipe, one end of the air inlet pipe is fixedly connected with a splitter ring, and high-pressure gas is sprayed out from meshes of the splitter ring through the splitter ring, the material particles adhered on the inner wall of the drying main tower can be washed off, and the effect of non-wall adhesion is achieved.

Description

Efficient spray dryer without sticking to wall

Technical Field

The utility model relates to a desiccator technical field, in particular to high-efficient spray drier of on-stick wall.

Background

The spray dryer is one of continuous normal pressure dryers. Spraying the liquid material into mist with special equipment, and drying by contacting with hot air, wherein the liquid material is used for drying some thermosensitive liquid, suspension and viscous liquid, such as milk, egg, tannin, medicine, etc.; also for drying fuels, intermediates, soap powders, inorganic salts, and the like.

But current spray dryer often leads to having the raw materials to adhere on the inner wall of desiccator because atomizing nozzle angle, the flow of hot-air, the overheated melting scheduling problem of raw materials for the finished product collection rate reduces, also has some desiccators to form the air curtain through setting up induced air device at the drying tower inner wall, but the air curtain can only prevent most material grain adhesion, and can not in time clear up after the adhesion can lead to gluing more, and the effect is worse more.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem provided in the background art, the utility model provides a high-efficient spray drier of on-stick wall has the characteristics of on-stick wall and can clear up.

The utility model discloses a realize like this, a high-efficient spray drier of on-stick wall, including the desiccator body, the inside of desiccator body is provided with dry main tower, the lateral wall of dry main tower includes inlayer bucket and outer bucket, be provided with two coolant liquid chambeies between inlayer bucket and the outer bucket, the lateral wall relative position department of inlayer bucket link up and has seted up two spouts, two the thermal-insulated rubber tape has all been laminated to one side that the spout carried on the back mutually.

For the convenience of installing motor, gear and belt pulley, as the utility model discloses a high-efficient spray drier of on-stick wall is preferred, the top fixedly connected with tower body lid of dry main tower, the top of tower body lid is provided with the tower body cover, vacuole formation between tower body lid and the tower body cover, two inside fixedly connected with of cavity are the first supporting seat of three groups of a set of three groups, two lower terminal surface fixedly connected with of dry main tower are a set of two sets of second supporting seats, multiunit all rotate between first supporting seat and the two sets of second supporting seats and be connected with the pivot, two tower body lid and dry main tower are run through respectively to the upper and lower both ends in thermal-insulated rubber area, and all encircle between the outer wall of two pivots on same vertical line.

For the convenience of drive heat-insulating rubber belt, conduct the utility model discloses a high-efficient spray drier of on-stick wall is preferred, the motor is installed to the up end of tower body lid, the first gear of output fixedly connected with and the first belt pulley of motor, the outer wall fixedly connected with second gear and the second belt pulley of the pivot between two first supporting seats in the middle of being located, meshing connection between first gear and the second gear, the equal fixedly connected with third belt pulley of outer wall of the pivot between two first supporting seats that are located the left and right sides, equal transmission is connected with the twill belt between first belt pulley and second belt pulley and the adjacent third belt pulley.

In order to facilitate blowing to dry main tower inner wall, conduct the utility model discloses a high-efficient spray drier of on-stick wall is preferred, two one side that thermal-insulated rubber area is relative all link up and fixedly connected with intake pipe, two the one end fixedly connected with splitter ring of intake pipe, the butt between splitter ring and the inlayer bucket.

For the convenience of rising the inside temperature of dry main tower, conduct the utility model discloses a high-efficient spray drier of on-stick wall is preferred, the air-blower is installed to the outer wall of desiccator body, the inside of desiccator body is provided with the heater, through the pipeline intercommunication between air-blower and the heater, the heater all communicates with the inside and the intake pipe of dry main tower.

In order to facilitate atomization granulation and control of the dryer, the inner wall fixedly connected with high-speed centrifugal atomizer above the drying main tower, and the outer wall fixedly connected with finished product collection tank and the PLC control box of the dryer body.

In order to facilitate the discharge of low-temperature gas in the drying main tower, the top end of the dryer body is fixedly connected with an air exhauster which is communicated with the drying main tower through a pipeline.

Compared with the prior art, the beneficial effects of the utility model are that:

the lateral wall of drying main tower comprises inlayer bucket and outer bucket two parts, is provided with two coolant liquid chambeies in the cavity in the middle of inlayer bucket and the outer bucket, can be used to load the coolant liquid to make the inside and the inner wall of drying main tower form the temperature difference, can reduce the probability of material grain adhesion drying main tower inner wall.

The heat insulation rubber belt is arranged between the inner layer barrel and the outer layer barrel, the two heat insulation rubber belts pass through the tower body cover and the preset opening at the bottom end of the drying main tower and surround the outer walls of the upper rotating shaft and the lower rotating shaft to form a 'conveying belt' type structure, so the two heat insulation rubber belts can cling to one side of the sliding chute to slide in parallel, when the motor rotates clockwise, the first gear and the first belt pulley both rotate clockwise, so the third belt pulley on the left side also rotates clockwise, because the first gear and the second gear are connected in a meshed way, the second gear rotates anticlockwise when the motor rotates clockwise, so the second belt pulley and the third belt pulley on the right side both rotate anticlockwise, similarly, when the motor rotates anticlockwise, the third belt pulley on the left side also rotates anticlockwise, the third belt pulley on the right side rotates clockwise, therefore no matter how the motor rotates, the third belt pulley that is located the left and right sides always keeps the antiport, because the third belt pulley antiport that is located the left and right sides, consequently two thermal-insulated rubber belts are antiport also, again because two intake pipe fixed connection are in two relative one sides of thermal-insulated rubber belt, consequently two intake pipe keep the same direction to reciprocate, through the splitter ring that supports in inlayer bucket lateral wall at the one end fixed connection of two intake pipes mutually, can make the splitter ring reciprocate, thereby through motor corotation and reversal in succession, can make the splitter ring do up and down reciprocating motion, can blow off the material grain of gluing at inlayer bucket lateral wall through the spun high-pressure gas in the splitter ring.

Drawings

FIG. 1 is a view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the main drying tower of the present invention;

FIG. 3 is a partial structure view of the heat-insulating rubber belt of the present invention;

FIG. 4 is a sectional structure view of the main drying tower of the present invention;

fig. 5 is a top view structural diagram of the drying main tower of the present invention.

In the figure, 1, a dryer body; 2. drying the main tower; 3. an inner layer barrel; 4. an outer layer barrel; 5. a cooling fluid chamber; 6. a chute; 7. a heat-insulating rubber tape; 8. a tower cover; 9. a tower cover; 10. a first support base; 11. a second support seat; 12. a rotating shaft; 13. a motor; 14. a first gear; 15. a first pulley; 16. a second gear; 17. a second pulley; 18. a third belt pulley; 19. a twill belt; 20. an exhauster; 21. an air inlet pipe; 22. a shunt ring; 23. a blower; 24. a heater; 25. a high-speed centrifugal atomizer; 26. a finished product collection tank; 27. and a PLC control box.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-5, a high-efficiency spray dryer without wall adhesion comprises a dryer body 1, a drying main tower 2 is arranged inside the dryer body 1, the side wall of the drying main tower 2 comprises an inner layer barrel 3 and an outer layer barrel 4, two cooling liquid cavities 5 are arranged between the inner layer barrel 3 and the outer layer barrel 4, two sliding grooves 6 are arranged at the opposite positions of the side wall of the inner layer barrel 3 in a penetrating manner, and a heat insulation rubber belt 7 is attached to one side of each of the two sliding grooves 6, which is opposite to each other.

In this embodiment: drying main tower 2 carries out the place of drying for the spray dryer, its lateral wall comprises inlayer bucket 3 and outer bucket 4 two parts, be provided with two coolant liquid chambeies 5 in the cavity in the middle of inlayer bucket 3 and outer bucket 4, can be used to load the coolant liquid, thereby make the inside and the inner wall of drying main tower 2 form the temperature difference, can reduce the probability of the dry main tower 2 inner wall of material grain adhesion, still be provided with thermal-insulated rubber area 7 between inlayer bucket 3 and the outer bucket 4, thermal-insulated rubber area 7 is wider and closely laminate in 3 peripheral lateral walls of inlayer bucket than spout 6, block up the passageway that two spouts 6 formed, guarantee the leakproofness that drying main tower 2 needs.

As a technical optimization scheme, the top fixedly connected with tower body lid 8 of dry main tower 2, tower body lid 8's top is provided with tower body cover 9, vacuole formation between tower body lid 8 and the tower body cover 9, two first supporting seats 10 of three groups for a set of in the inside fixedly connected with of cavity, two sets of second supporting seats 11 for a set of under the dry main tower 2's terminal surface fixedly connected with, all rotate between first supporting seat 10 of multiunit and the two sets of second supporting seats 11 and be connected with pivot 12, tower body lid 8 and dry main tower 2 are run through respectively at two upper and lower both ends of two thermal-insulated rubber tape 7, and all encircle between the outer wall of two pivot 12 on same vertical line.

In this embodiment: form the cavity between tower body lid 8 and the tower body cover 9 for other parts such as installation motor 13, all rotate between multiunit first supporting seat 10 and the two sets of second supporting seat 11 and be connected with pivot 12, rotating member such as gear and belt pulley of easy to assemble, two heat-insulating rubber area 7 pass tower body lid 8 and dry 2 bottoms of main tower predetermined trompil and encircle between the outer wall of upper and lower two pivot 12, form "conveyer belt" formula structure, consequently, one side parallel slip of spout 6 can be hugged closely to two heat-insulating rubber area 7.

As a technical optimization scheme of the utility model, motor 13 is installed to tower body lid 8's up end, motor 13's output end fixedly connected with first gear 14 and first belt pulley 15, be located outer wall fixedly connected with second gear 16 and the second belt pulley 17 of pivot 12 between two first supporting seats 10 in the middle of, the meshing is connected between first gear 14 and the second gear 16, the equal fixedly connected with third belt pulley 18 of outer wall of pivot 12 between two first supporting seats 10 that are located the left and right sides, equal transmission is connected with twill belt 19 between first belt pulley 15 and second belt pulley 17 and the adjacent third belt pulley 18.

In this embodiment: when the motor 13 rotates clockwise, the first gear 14 and the first pulley 15 both rotate clockwise, and thus the third pulley 18 located on the left side also rotates clockwise, and due to the meshing connection between the first gear 14 and the second gear 16, the second gear 16 rotates counterclockwise when the motor 13 rotates clockwise, and thus the second pulley 17 and the third pulley 18 located on the right side both rotate counterclockwise, and similarly, when the motor 13 rotates counterclockwise, the third pulley 18 located on the left side also rotates counterclockwise, and the third pulley 18 located on the right side rotates clockwise, and therefore regardless of how the motor 13 rotates, the third pulleys 18 located on the left and right sides always keep rotating in the opposite directions.

As a technical optimization scheme of the utility model, two thermal-insulated rubber tape 7 relative one sides all link up and fixedly connected with intake pipe 21, the one end fixedly connected with splitter ring 22 of two intake pipe 21, butt between splitter ring 22 and the inlayer bucket 3.

In this embodiment: the third belt pulleys 18 on the left and right sides rotate in opposite directions, so that the two heat-insulating rubber belts 7 also rotate in opposite directions, the two air inlet pipes 21 are fixedly connected to one opposite sides of the two heat-insulating rubber belts 7, so that the two air inlet pipes 21 move up and down in the same direction, the diverter ring 22 can move up and down by fixedly connecting the diverter ring 22 which is abutted against the side wall of the inner barrel 3 at one end of the two air inlet pipes 21, and the diverter ring 22 can move up and down in a reciprocating manner by continuously rotating forwards and reversely through the motor 13.

As a technical optimization scheme of the utility model, air-blower 23 is installed to the outer wall of desiccator body 1, and the inside of desiccator body 1 is provided with heater 24, through the pipeline intercommunication between air-blower 23 and the heater 24, and heater 24 all communicates with the inside and the intake pipe 21 of dry king tower 2.

In this embodiment: the air blower 23 is used for continuously conveying air flow to the inside of the drying main tower 2, the heater 24 is used for heating the air flow to enable the inside of the drying main tower 2 to form high temperature and high pressure, the air flow heated by the heater 24 is divided into two parts to reach the inside of the drying main tower 2 through different paths, one part of the air flow is blown in from the top of the drying main tower 2, the other part of the air flow is conveyed to the air inlet pipe 21 and enters the splitter ring 22 through the air inlet pipe 21, the meshes of the upper end face and the lower end face of the splitter ring 22 are blown to the side wall of the inner barrel 3, under the action of the air flow, grains adhered to the side wall of the inner barrel 3 can be cleaned in time, a communicating pipe between the heater 24 and the air inlet pipe 21 is a long hose, and the communicating pipe does not influence other parts to normally work when the air inlet pipe 21 moves up and down.

As a technical optimization scheme of the utility model, the high-speed centrifugal atomizer 25 of inner wall fixedly connected with of drying main tower 2 top, the outer wall fixedly connected with finished product holding vessel 26 and the PLC control box 27 of desiccator body 1.

In this embodiment: the high-speed centrifugal atomizer 25 can spray air or water vapor from a nozzle at a high speed, feed liquid is separated into fine droplets by friction force to achieve a granulation effect, a finished product collecting tank 26 collects a final finished product, and the PLC control box 27 can control the whole spray dryer including the motor 13.

As a technical optimization scheme of the utility model, the top fixedly connected with air exhauster 20 of desiccator body 1, air exhauster 20 passes through pipeline and dry main tower 2 intercommunication.

In this embodiment: the blower 23 continuously injects the high temperature gas into the drying main tower 2, and the pressure inside the drying main tower 2 continuously increases, and at this time, the low temperature gas inside the drying main tower 2 needs to be exhausted by the exhauster 20.

The utility model discloses a theory of operation and use flow: the side wall of the main drying tower 2 consists of an inner layer barrel 3 and an outer layer barrel 4, and two cooling liquid cavities 5 are arranged in a cavity between the inner layer barrel 3 and the outer layer barrel 4 and can be used for filling cooling liquid, so that a temperature difference is formed between the inner part and the inner wall of the main drying tower 2, and the probability of material particles adhering to the inner wall of the main drying tower 2 can be reduced;

a heat insulation rubber belt 7 is arranged between the inner layer barrel 3 and the outer layer barrel 4, the two heat insulation rubber belts 7 pass through the tower body cover 8 and the preset opening at the bottom end of the drying main tower 2 and are encircled between the outer walls of the upper rotating shaft 12 and the lower rotating shaft 12 to form a 'transmission belt' type structure, so that the two heat insulation rubber belts 7 can cling to one side of the sliding chute 6 to slide in parallel, when the motor 13 rotates clockwise, the first gear 14 and the first belt pulley 15 both rotate clockwise, so that the third belt pulley 18 positioned at the left side also rotates clockwise, because the first gear 14 and the second gear 16 are meshed and connected, when the motor 13 rotates clockwise, the second gear 16 rotates anticlockwise, so that the second belt pulley 17 and the third belt pulley 18 positioned at the right side both rotate anticlockwise, and similarly, when the motor 13 rotates anticlockwise, the third belt pulley 18 positioned at the left side also rotates anticlockwise, and the third belt pulley 18 positioned at the right side rotates clockwise, therefore, no matter how the motor 13 rotates, the third belt pulleys 18 on the left and right sides always rotate in opposite directions, the third belt pulleys 18 on the left and right sides rotate in opposite directions, so that the two heat-insulating rubber belts 7 also rotate in opposite directions, the two air inlet pipes 21 move up and down in the same direction, the diverter ring 22 is moved up and down by fixedly connecting the diverter ring 22 which is abutted against the side wall of the inner barrel 3 at one end of the two air inlet pipes 21, so that the diverter ring 22 can move up and down by continuous forward rotation and reverse rotation of the motor 13, and the diverter ring 22 can reciprocate up and down, and particles adhered to the side wall of the inner barrel 3 can be blown off by high-pressure air sprayed from the diverter ring 22.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A non-stick high efficiency spray dryer comprising a dryer body (1), characterized in that: the inside of desiccator body (1) is provided with dry main tower (2), the lateral wall of dry main tower (2) includes inlayer bucket (3) and outer bucket (4), be provided with two coolant liquid chambers (5) between inlayer bucket (3) and outer bucket (4), the lateral wall relative position department of inlayer bucket (3) link up and has seted up two spout (6), two one side that spout (6) carried on the back mutually all laminates thermal-insulated rubber tape (7).

2. A non-stick wall efficient spray dryer as claimed in claim 1, wherein: top fixedly connected with tower body lid (8) of dry main tower (2), the top of tower body lid (8) is provided with tower body cover (9), vacuole formation between tower body lid (8) and tower body cover (9), two inside fixedly connected with of cavity are three first supporting seat (10) of a set of group, the lower terminal surface fixedly connected with of dry main tower (2) is two sets of second supporting seat (11) of a set of, the multiunit all rotate between first supporting seat (10) and two sets of second supporting seat (11) and be connected with pivot (12), two the upper and lower both ends of thermal-insulated rubber tape (7) run through tower body lid (8) and dry main tower (2) respectively, and all encircle between the outer wall of two pivot (12) on same vertical line.

3. A non-stick wall efficient spray dryer as claimed in claim 2, wherein: motor (13) are installed to the up end of tower body lid (8), the first gear of output fixedly connected with (14) and first belt pulley (15) of motor (13), the outer wall fixedly connected with second gear (16) and second belt pulley (17) of pivot (12) between two first supporting seat (10) that are located in the middle, the meshing is connected between first gear (14) and second gear (16), and the equal fixedly connected with third belt pulley (18) of outer wall of pivot (12) between two first supporting seat (10) that are located the left and right sides, equal transmission is connected with twill belt (19) between first belt pulley (15) and second belt pulley (17) and adjacent third belt pulley (18).

4. A non-stick wall efficient spray dryer as claimed in claim 1, wherein: two one side that thermal-insulated rubber tape (7) is relative all link up and fixedly connected with intake pipe (21), two the one end fixedly connected with splitter ring (22) of intake pipe (21), butt between splitter ring (22) and inlayer bucket (3).

5. A non-stick wall efficient spray dryer according to claim 1, wherein: air-blower (23) are installed to the outer wall of desiccator body (1), the inside of desiccator body (1) is provided with heater (24), communicate through the pipeline between air-blower (23) and heater (24), heater (24) all communicate with the inside and intake pipe (21) of dry main tower (2).

6. A non-stick wall efficient spray dryer as claimed in claim 1, wherein: the inner wall fixedly connected with high-speed centrifugal atomizer (25) of dry main tower (2) top, the outer wall fixedly connected with finished product collection tank (26) and PLC control box (27) of desiccator body (1).

7. A non-stick wall efficient spray dryer as claimed in claim 1, wherein: the top end of the dryer body (1) is fixedly connected with an air exhauster (20), and the air exhauster (20) is communicated with the drying main tower (2) through a pipeline.