CN219001995U

CN219001995U - Nozzle and spray dryer

Info

Publication number: CN219001995U
Application number: CN202223571402.6U
Authority: CN
Inventors: 姚文雨; 李志强; 彭文; 胡明敏; 朱文豪
Original assignee: Shandong Haibang Biotechnology Co ltd
Current assignee: Shandong Haibang Biotechnology Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-05-12
Anticipated expiration: 2032-12-28

Abstract

The utility model discloses a nozzle, comprising: the top of the nozzle main body is provided with a feeding channel; a movable assembly at least partially disposed within the feed channel; the self-adaptive assembly is arranged in the nozzle main body, at least part of the self-adaptive assembly is connected with the movable assembly, and the movable assembly can adjust the relative position of the self-adaptive assembly along the upper and lower directions of the feeding channel; the adjusting component is at least arranged at the bottom of the movable component; and the spraying component is arranged at the bottom of the nozzle main body and at least partially communicated with the feeding channel. The utility model can automatically adjust the spraying speed of different feed liquids, so that the spraying is more uniform, the blocking of the spray nozzle is avoided, the working efficiency of the spray dryer and the drying effect of the feed liquid are improved, and the practicability of the spray dryer is improved.

Description

Nozzle and spray dryer

Technical Field

The utility model relates to the technical field of spray dryers, in particular to a nozzle and a spray dryer.

Background

A spray dryer is a device that can accomplish both drying and granulation. The spray dryer is one type of continuous atmospheric dryer. The liquid is sprayed into mist by special equipment, and is contacted with hot air to be dried. For drying somewhat heat sensitive liquids, suspensions and viscous liquids, such as milk, eggs, tannins and medicaments.

When the nozzle of the existing sprayer dryer is used, the size of the spray hole is required to be manually adjusted according to different feed liquids, so that the nozzle is prone to uneven spraying and blockage, the working efficiency of the spray dryer is affected, the drying effect of the feed liquid is improved, and the practicability of the spray dryer is reduced.

Disclosure of Invention

The utility model aims to provide a nozzle and a spray dryer, which are used for solving the technical problems in the prior art, and can automatically adjust the spraying speeds of different feed liquids, so that the spraying is more uniform, the nozzle is prevented from being blocked, the working efficiency of the spray dryer is improved, the drying effect of the feed liquid is improved, and the practicability of the spray dryer is improved.

The present utility model provides a nozzle comprising: the top of the nozzle main body is provided with a feeding channel; a movable assembly at least partially disposed within the feed channel; the self-adaptive assembly is arranged in the nozzle main body, at least part of the self-adaptive assembly is connected with the movable assembly, and the movable assembly can adjust the relative position of the self-adaptive assembly along the upper and lower directions of the feeding channel; the adjusting component is at least arranged at the bottom of the movable component; and the spraying component is arranged at the bottom of the nozzle main body and at least partially communicated with the feeding channel.

In the technical scheme of this embodiment, when carrying out the drying to the feed liquid, the tip that the feed liquid passed through the nozzle main part gets into feed channel in, according to the difference of feed liquid concentration, movable assembly is also different to the resistance that the feed liquid provided, under the effect of self-adaptation subassembly, can adjust the clearance between the regulation subassembly, thereby guarantee the speed when different concentration feed liquid passes through, make the feed liquid spout the material more even, can avoid the jam that feed liquid concentration is too big to cause like this, and the great scheduling problem of the granularity of feed liquid drying, thereby improve the drying effect of feed liquid, simultaneously also improved spray dryer's work efficiency, spray dryer's practicality has been improved.

Preferably, the movable assembly comprises a feed liquid baffle and a connecting block, the feed liquid baffle is arranged in the feed channel, the nozzle main body is close to the feed liquid baffle, a sealing cavity is symmetrically formed in the nozzle main body, the sealing cavity is communicated with the feed channel, the connecting block is symmetrically connected to the outer side wall of the feed liquid baffle, and the outer side wall of the connecting block is tightly attached to the inner side wall of the sealing cavity. Therefore, the material liquid baffle plate can generate thrust when encountering material liquid, so that the material liquid is prevented from flowing out in a large amount simultaneously, and the drying effect of the material liquid is ensured.

Preferably, a plurality of holes are formed through the outer part of the feed liquid baffle plate, so that feed liquid can pass through the feed liquid baffle plate. The design can facilitate the feed liquid to pass through the feed liquid baffle plate.

Preferably, the inside of the nozzle main body is symmetrically provided with a plurality of fixing cavities, and one end of each fixing cavity is communicated with the sealing cavity. The design can facilitate the movement of the sealing plate in the sealing cavity, thereby ensuring the tightness of the feeding channel.

Preferably, the adaptive assembly comprises: the sealing plates are symmetrically arranged in the sealing cavity, one end of each sealing plate is connected with the corresponding connecting block, and the outer side walls of the sealing plates are tightly attached to the inner side walls of the sealing cavity; one end of the spring is connected with the inner side wall of the fixed cavity, and the other end of the spring is connected with the sealing plate. The material liquid baffle plate is correspondingly compressed or stretched by the thrust force exerted by the material liquid baffle plate, so that the thrust force is the same as the thrust force exerted by the material liquid baffle plate, and the material liquid baffle plate is moved to a proper position.

Preferably, the adjusting component comprises a connecting rod, a piston and an annular baffle, wherein one end of the connecting rod is connected to the bottom of the feed liquid baffle, the piston is connected to the other end of the connecting rod, the annular baffle is arranged on the inner side wall of the feeding channel, and at least part of the piston is larger than the annular baffle in size. Through the position of removing the feed liquid baffle, can adjust the clearance between piston and the annular baffle for different feed liquids under the same velocity of flow are different in piston department flow, thereby guarantee the homogeneity of spouting of different feed liquids.

Preferably, the piston comprises a first state close to the annular baffle plate and a second state far away from the annular baffle plate, and the feed liquid baffle plate can drive the piston to switch between the first state and the second state. When the piston is in the first state, the flow of the feed liquid can be reduced, the drying of the low-concentration small-particle feed liquid is facilitated, and the feed liquid is more dispersed; when the piston is in the second state, the flow of the feed liquid can be improved at the moment, and the drying of the high-concentration large-particle feed liquid is facilitated.

Preferably, a pressure flow passage is further provided, and the pressure flow passage is communicated with the feed passage, so that the feed liquid can be uniformly sprayed out of the feed passage. The pressure flow channel can increase the speed of the feed liquid when leaving the nozzle body, thereby enabling the feed liquid to be sprayed more uniformly.

Preferably, the spray assembly comprises a joint and a fixing member, the joint being capable of being fixed by the fixing member

The piece is connected to the bottom of the nozzle main body, a nozzle is arranged on the outer side of the joint, and the nozzle is communicated with the 5-pressure flow passage. Through the design of mounting, the maintenance of nozzle main part of being convenient for to and the change of joint.

The utility model also provides a spray dryer comprising: the tower body is connected with a mounting ring at the outer side of the tower body, and an accommodating space is formed in the tower body; the bracket is connected to the bottom of the mounting ring; the circulating system comprises an atomizer, a feed pipe, an air inlet pipe and an exhaust pipe, wherein the atomizer is arranged on the circulating system

The top of the tower body, the atomizer at least partially penetrates into the accommodating space, one 0 end of the feeding pipe is communicated with the atomizer, the air inlet pipe is connected to the outer side of the tower body, and the exhaust pipe is connected with

The air inlet pipe and the air exhaust pipe are communicated with the accommodating space; the nozzle is arranged in the accommodating space, at least part of the nozzle is connected to the bottom of the atomizer, and the nozzle is the nozzle.

Compared with the prior art, the utility model can automatically adjust the spraying speed of different feed liquids, so that 5 feed liquids are sprayed more uniformly, simultaneously the nozzle blockage is avoided, the working efficiency of the spray dryer is improved, and

the drying effect of the feed liquid improves the practicability of the spray dryer.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the structure of the tower of the present utility model;

FIG. 3 is a schematic view of the internal structure of the tower of the present utility model;

FIG. 4 is a schematic view of the structure of the nozzle body of the present utility model;

fig. 5 is a schematic cross-sectional structure of a nozzle body of the present utility model.

Reference numerals illustrate: 1. a tower body; 2. a mounting ring; 3. a bracket; 4. an atomizer; 5. a feed pipe; 5 6. A nozzle body; 7. an air inlet pipe; 8. an exhaust pipe; 9. a feed channel; 10. a feed liquid baffle; 11. sealing the cavity; 12. a connecting block; 13. a sealing plate; 14. a fixed cavity; 15. a spring; 16. a connecting rod; 17. a piston; 18. an annular baffle; 19. a pressure flow path; 20. a joint; 21. a spout; 22. and a fixing piece.

Detailed Description

Embodiments of the technical solutions of the present application will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical solutions of the present application, and thus are only examples, and are not intended to limit the scope of protection of the present application.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description and claims of the present application and in the description of the figures above are intended to cover non-exclusive inclusions.

In the description of the embodiments of the present application, the technical terms "first," "second," etc. are used merely to distinguish between different objects and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, a particular order or a primary or secondary relationship. In the description of the embodiments of the present application, the meaning of "plurality" is two or more unless explicitly defined otherwise.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

In the description of the embodiments of the present application, the term "and/or" is merely an association relationship describing an association object, which means that three relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

In the description of the embodiments of the present application, the term "plurality" refers to two or more (including two), and similarly, "plural sets" refers to two or more (including two), and "plural sheets" refers to two or more (including two).

In the description of the embodiments of the present application, the orientation or positional relationship indicated by the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the embodiments of the present application and for simplifying the description, rather than indicating or implying that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the embodiments of the present application.

In the description of the embodiments of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; or may be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to the specific circumstances.

As shown in fig. 1-3, embodiments of the present utility model provide a spray dryer comprising: the tower body 1, the outside of the tower body 1 is connected with a mounting ring 2, and an accommodating space is formed in the tower body 1; the bracket 3 is connected to the bottom of the mounting ring 2; the circulating system comprises an atomizer 4, a feed pipe 5, an air inlet pipe 7 and an air exhaust pipe 8, wherein the atomizer 4 is arranged at the top of the tower body 1, the atomizer 4 at least partially penetrates into the accommodating space, one end of the feed pipe 5 is communicated with the atomizer 4, the air inlet pipe 7 is connected to the outer side of the tower body 1, the air exhaust pipe 8 is connected to the bottom of the tower body 1, and the air inlet pipe 7 and the air exhaust pipe 8 are both communicated with the accommodating space; and a nozzle arranged in the accommodating space, and at least partially connected to the bottom of the atomizer 4.

In the technical scheme of this embodiment, the bottom of tower body 1 is the toper, be convenient for exhaust gas and the discharge of finished product, be connected through modes of connection such as bolt between collar 2 and the support 3, do not limit here, the other end and the workbin of inlet pipe 5 are connected, can take out the feed liquid to in the atomizer 4 through the charge pump, the atomizer 4 can make the dispersion of the composition in the feed liquid more, the specific structure of atomizer 4 can consult prior art's technical scheme, the person skilled in the art can know, do not repeated here, the other end and the air feed equipment of intake pipe 7 are connected, can filter the air and discharge into tower body 1 after the heating, thereby carry out the drying to the feed liquid in the tower body 1, the other end and cyclone and the air exhauster of exhaust pipe 8 are connected, wherein cyclone and air exhauster specific structure can refer to prior art's technical scheme, cyclone can know, cyclone can separate product and waste gas, the recovery of the product of being convenient for like this and the discharge of waste gas.

As shown in fig. 3-5, an embodiment of the present utility model provides a nozzle comprising: the nozzle main body 6, the top of the nozzle main body 6 is provided with a feeding channel 9; a mobile assembly at least partially disposed within the feed channel 9; the self-adaptive component is arranged in the nozzle main body 6, at least part of the self-adaptive component is connected with the movable component, and the movable component can adjust the relative position of the self-adaptive component along the up-down direction of the feeding channel 9; the adjusting component is at least arranged at the bottom of the movable component; and the spraying component is arranged at the bottom of the nozzle main body 6 and is at least partially communicated with the feeding channel 9.

In the technical scheme of this embodiment, when carrying out the drying to the feed liquid, the tip that the feed liquid passes through nozzle body 6 gets into feed channel 9 in, according to the difference of feed liquid concentration, movable assembly is also different to the resistance that the feed liquid provided, under the effect of self-adaptation subassembly, can adjust the clearance between the regulation subassembly, thereby guarantee the speed when different concentration feed liquid passes through, make the feed liquid spout the material more even, can avoid the jam that the feed liquid concentration is too big to cause like this, and the great scheduling problem of feed liquid dry granularity, thereby improve the drying effect of feed liquid, spray dryer's work efficiency has also been improved simultaneously, spray dryer's practicality has been improved.

The movable assembly comprises a feed liquid baffle 10 and a connecting block 12, wherein the feed liquid baffle 10 is arranged in the feed channel 9, the nozzle main body 6 is close to the feed liquid baffle 10, a sealing cavity 11 is symmetrically arranged, the sealing cavity 11 is communicated with the feed channel 9, the connecting block 12 is symmetrically connected to the outer side wall of the feed liquid baffle 10, and the outer side wall of the connecting block 12 is tightly attached to the inner side wall of the sealing cavity 11.

When the feed liquid is discharged through the feed channel 9, the feed liquid baffle plate 10 receives thrust, so that the feed liquid can be prevented from flowing out simultaneously in a large amount, and the drying effect of the feed liquid is ensured.

The outside of the feed liquid baffle 10 is perforated with a plurality of holes so that feed liquid can pass through the feed liquid baffle 10.

When the feed liquid passes through the feed liquid baffle 10, the feed liquid can continue to flow through the holes, and in the process, the feed liquid can be further dispersed.

The inside of the nozzle main body 6 is symmetrically provided with a plurality of fixing cavities 14, and one end of each fixing cavity 14 is communicated with the corresponding sealing cavity 11.

The sealing plate 13 can move in the sealing cavity 11 and the fixing cavity 14, along with the movement of the connecting block 12, the tightness of the feeding channel 9 can be ensured at any time, and the feed liquid is prevented from entering the sealing cavity 11 and the fixing cavity 14.

The adaptive assembly includes: the sealing plate 13 is symmetrically arranged in the sealing cavity 11, one end of the sealing plate 13 is connected with the connecting block 12, and the outer side wall of the sealing plate 13 is tightly attached to the inner side wall of the sealing cavity 11; and one end of the spring 15 is connected with the inner side wall of the fixed cavity 14, and the other end of the spring is connected with the sealing plate 13.

When the feed liquid baffle plate 10 encounters thrust, the springs 15 on the corresponding sides are compressed, when the thrust of the springs 15 is the same as that of the feed liquid baffle plate 10, the feed liquid baffle plate 10 can be moved to a proper position, and when feed liquid stops being supplied, the sealing plate 13, the feed liquid baffle plate 10 and the like return to the initial positions under the action of the springs 15, so that the follow-up use is facilitated.

The adjusting component comprises a connecting rod 16, a piston 17 and an annular baffle 18, wherein one end of the connecting rod 16 is connected to the bottom of the feed liquid baffle 10, the piston 17 is connected to the other end of the connecting rod 16, the annular baffle 18 is arranged on the inner side wall of the feed channel 9, and at least part of the size of the piston 17 is larger than that of the annular baffle 18.

When the feed liquid contacts with the piston 17, the piston 17 is also pushed, when the pushing force received by the piston 17 and the pushing force received by the feed liquid baffle 10 are the same as the elastic force of the spring 15, the feed liquid baffle 10 can be moved to a proper position, so that the gap between the piston 17 and the annular baffle 18 is adjusted, and the flow rates of different feed liquids at the piston 17 under the same flow rate are different, so that the uniformity of the injection of the different feed liquids is ensured.

The piston 17 includes a first state close to the annular barrier 18 and a second state away from the annular barrier 18, the feed liquid barrier 10 being capable of driving the piston 17 to switch between the first state and the second state.

When the piston 17 is in the first state, the flow rate of the feed liquid can be reduced, the drying of the low-concentration small-particle feed liquid is facilitated, and the feed liquid is more dispersed; when the piston 17 is in the second state, the flow rate of the feed liquid can be increased at this time, so that the drying of the high-concentration large-particle feed liquid is facilitated.

A pressure flow passage 19 is also provided, and the pressure flow passage 19 is communicated with the feed passage 9 so that the feed liquid can be uniformly ejected from the feed passage 9.

The pressure channel 19 increases the velocity of the feed liquid as it leaves the nozzle body 6, thereby allowing a more uniform spray of feed liquid and a more uniform dispersion of feed liquid within the tower 1.

The spraying component comprises a connector 20 and a fixing piece 22, wherein the connector 20 can be connected to the bottom of the nozzle main body 6 through the fixing piece 22, a nozzle 21 is arranged on the outer side of the connector 20, and the nozzle 21 is communicated with the pressure flow channel 19.

The fixing member 22 includes a bolt and a nut, wherein one end of the bolt may be disposed inside the nozzle body 6, thereby facilitating the installation and removal of the joint 20, facilitating the maintenance of the nozzle body 6, and the replacement of the joint 20 through the design of the fixing member 22, and the feed liquid may be finally ejected through the nozzle 21.

The application method of the utility model comprises the following steps: when the feed liquid is dried, the feed liquid and hot air are respectively introduced into the tower body 1, and waste gas and dried products are collected through the exhaust pipe 8.

When the feed liquid sprays in the tower body 1, the feed liquid can carry out in the feed channel 9 of the nozzle main body 6, according to the difference of feed liquid concentration, the resistance when meeting piston 17 and feed liquid baffle 10 is different, thereby drive feed liquid baffle 10 and remove the flow direction of feed liquid, compression spring 15 simultaneously, wherein, the greater the concentration of feed liquid, the greater the resistance that meets under the same velocity of flow, thereby drive piston 17 and carry out the suitable removal along the direction of feed liquid flow, and then adjust the clearance between piston 17 and the annular baffle 18, make the feed liquid can be even through the clearance between piston 17 and the annular baffle 18 flow, can also avoid the feed liquid that concentration is great to take place to block up like this, piston 17 can also make the dispersion of feed liquid more simultaneously.

Subsequently, the feed liquid is discharged through the nozzle 21 under acceleration of the pressure flow passage 19, and the feed liquid is brought into contact with hot air, thereby completing drying of the feed liquid.

The foregoing description of the preferred embodiments of the utility model should not be taken as limiting the scope of the utility model, but all changes and modifications that come within the meaning and range of equivalents of the utility model are intended to be embraced therein.

Claims

1. A nozzle, comprising:

the top of the nozzle main body is provided with a feeding channel;

a movable assembly at least partially disposed within the feed channel;

the self-adaptive assembly is arranged in the nozzle main body, at least part of the self-adaptive assembly is connected with the movable assembly, and the movable assembly can adjust the relative position of the self-adaptive assembly along the upper and lower directions of the feeding channel;

the adjusting component is at least arranged at the bottom of the movable component;

and the spraying component is arranged at the bottom of the nozzle main body and at least partially communicated with the feeding channel.

2. A nozzle as claimed in claim 1, wherein: the movable assembly comprises a feed liquid baffle and a connecting block, wherein the feed liquid baffle is arranged in the feed channel, the nozzle main body is close to the feed liquid baffle, a sealing cavity is symmetrically formed in the nozzle main body, the sealing cavity is communicated with the feed channel, the connecting block is symmetrically connected to the outer side wall of the feed liquid baffle, and the outer side wall of the connecting block is tightly attached to the inner side wall of the sealing cavity.

3. A nozzle as claimed in claim 2, wherein: the outside of feed liquid baffle runs through and has offered a plurality of holes to make the feed liquid can pass through the feed liquid baffle.

4. A nozzle as claimed in claim 2, wherein: a plurality of fixed cavities are symmetrically formed in the nozzle main body, and one end of each fixed cavity is communicated with the corresponding sealing cavity.

5. A nozzle as claimed in claim 4, wherein: the adaptive assembly includes:

the sealing plates are symmetrically arranged in the sealing cavity, one end of each sealing plate is connected with the corresponding connecting block, and the outer side walls of the sealing plates are tightly attached to the inner side walls of the sealing cavity;

one end of the spring is connected with the inner side wall of the fixed cavity, and the other end of the spring is connected with the sealing plate.

6. A nozzle as claimed in claim 5, wherein: the adjusting component comprises a connecting rod, a piston and an annular baffle, wherein one end of the connecting rod is connected to the bottom of the feed liquid baffle, the piston is connected to the other end of the connecting rod, the annular baffle is arranged on the inner side wall of the feeding channel, and at least part of the size of the piston is larger than that of the annular baffle.

7. A nozzle as claimed in claim 6, wherein: the piston comprises a first state close to the annular baffle plate and a second state far away from the annular baffle plate, and the feed liquid baffle plate can drive the piston to switch between the first state and the second state.

8. A nozzle as claimed in claim 1, wherein: the pressure flow channel is communicated with the feeding channel, so that the feed liquid can be uniformly sprayed out of the feeding channel.

9. A nozzle as claimed in claim 8, wherein: the spraying component comprises a connector and a fixing piece, the connector can be connected to the bottom of the nozzle main body through the fixing piece, a nozzle is arranged on the outer side of the connector, and the nozzle is communicated with the pressure flow channel.

10. A spray dryer, comprising:

the tower body is connected with a mounting ring at the outer side of the tower body, and an accommodating space is formed in the tower body;

the bracket is connected to the bottom of the mounting ring;

the circulating system comprises an atomizer, a feed pipe, an air inlet pipe and an exhaust pipe, wherein the atomizer is arranged at the top of the tower body, the atomizer at least partially penetrates into the accommodating space, one end of the feed pipe is communicated with the atomizer, the air inlet pipe is connected to the outer side of the tower body, the exhaust pipe is connected to the bottom of the tower body, and the air inlet pipe and the exhaust pipe are both communicated with the accommodating space;

a nozzle arranged in the accommodating space, the nozzle being at least partially connected to the bottom of the atomizer, the nozzle being as claimed in any one of claims 1-9.