CN220780826U - Two-fluid fluidization spray nozzle - Google Patents
Two-fluid fluidization spray nozzle Download PDFInfo
- Publication number
- CN220780826U CN220780826U CN202322221350.8U CN202322221350U CN220780826U CN 220780826 U CN220780826 U CN 220780826U CN 202322221350 U CN202322221350 U CN 202322221350U CN 220780826 U CN220780826 U CN 220780826U
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- China
- Prior art keywords
- compressed air
- core body
- spray
- spray nozzle
- nozzle
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- 239000007921 spray Substances 0.000 title claims abstract description 67
- 239000012530 fluid Substances 0.000 title claims abstract description 22
- 238000005243 fluidization Methods 0.000 title claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 48
- 238000002156 mixing Methods 0.000 claims abstract description 21
- 238000004891 communication Methods 0.000 claims description 3
- 238000000889 atomisation Methods 0.000 abstract description 23
- 230000000694 effects Effects 0.000 abstract description 8
- 238000001035 drying Methods 0.000 description 16
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 8
- 229910052744 lithium Inorganic materials 0.000 description 8
- 239000007774 positive electrode material Substances 0.000 description 5
- 229910052755 nonmetal Inorganic materials 0.000 description 4
- 239000010405 anode material Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical compound [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910001386 lithium phosphate Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- TWQULNDIKKJZPH-UHFFFAOYSA-K trilithium;phosphate Chemical compound [Li+].[Li+].[Li+].[O-]P([O-])([O-])=O TWQULNDIKKJZPH-UHFFFAOYSA-K 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Nozzles (AREA)
Abstract
The utility model discloses a two-fluid fluidization spray nozzle, which comprises a nozzle cap arranged at the front part of a core body, wherein a screwing nut is fixedly connected with the core body through threads; the screwing nut tightly presses the spray head cap and the core body; the rear side of the core body is provided with a spray gun, a flow equalizing gasket is arranged between the core body and the spray gun, and a compressed air channel and a material channel are arranged in the core body; and the flow equalizing gasket is provided with holes, the number of the holes is larger than that of the compressed air channels, and the holes and inlets of the compressed air channels are staggered. The problem that compressed air intake is uneven and atomization effect is poor can be solved, the mixing degree of compressed air and materials is improved, the flow of air flow entering each compressed air channel is guaranteed to be even, and the atomization effect is better.
Description
Technical Field
The utility model belongs to the technical field of nozzles, and particularly relates to a two-fluid fluidization spray nozzle.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
Drying equipment of traditional lithium cell positive electrode material adopts the spray tower desicator, utilizes the atomizing dish to atomize the material, and this drying equipment has certain shortcoming, and when drying temperature is low, and evaporation intensity correspondingly reduces, needs the great spray tower of volume, simultaneously to the great material of viscidity, also can increase the volume of spray tower, and occupation of land space correspondingly increases, and equipment cost improves. The spray fluidized bed dryer has the advantages of higher heat and mass transfer efficiency, convenient operation, small equipment volume, small occupied area, lower investment and the like, and is suitable for being applied to drying the anode material of the lithium battery. The spray fluidized bed dryer has higher drying efficiency and drying capacity, and the atomization performance of the atomizer directly influences the quality of products to a great extent depending on the atomization capacity of the atomizer. The traditional atomizing nozzle opening angle is less, and the material atomizing distance is big, and the material is spouted on the equipment wall easily, leads to the material to glue the wall difficult clearance, and original atomizer exists compressed air and admits air inhomogeneous, and spraying local air is too big, influences the degree of consistency of atomizing.
Disclosure of Invention
Aiming at the problems, the utility model provides the two-fluid fluidization spray nozzle, which can solve the problems of uneven air inlet and poor atomization effect of compressed air, improves the mixing degree of the compressed air and materials, ensures uniform flow of air flow entering each compressed air channel and has better atomization effect.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a two-fluid fluidization spray nozzle, which comprises a core body, wherein a nozzle cap is arranged at the front part of the core body, and a screwing nut is fixedly connected with the core body through threads; the screwing nut tightly presses the spray head cap and the core body; the rear side of the core body is provided with a spray gun, a flow equalizing gasket is arranged between the core body and the spray gun, and a compressed air channel and a material channel are arranged in the core body; and the flow equalizing gasket is provided with holes, the number of the holes is larger than that of the compressed air channels, and the holes and inlets of the compressed air channels are staggered.
Further, a gas chamber and a material chamber are arranged in the spray gun.
Further, the compressed air passage and the gas chamber are in communication.
Further, the material channel is communicated with the material chamber.
Further, a ring groove is arranged at the joint of the compressed air channel and the gas chamber; the inlet of the compressed air channel is positioned in the annular groove, and the outlet is positioned at the front part of the core body.
Further, the distance between the inlet and the center line of the compressed air channel is greater than the distance between the outlet and the center line.
Further, the inlet and the outlet of the compressed air channel are arranged in a staggered manner.
Further, a mixing chamber is arranged in the nozzle cap, and a spray opening angle is arranged at the end part of the nozzle cap.
Further, the core body and the spray gun are fixedly connected through threads.
Further, six compressed air channels are provided.
Compared with the prior art, the present disclosure has the advantages and positive effects that:
1. the flow equalizing gasket is arranged between the core body and the spray gun, the traditional spray nozzle has no flow equalizing gasket between the spray gun and the core body, or the gasket has no flow equalizing effect, and the compressed air flows into each compressed air channel of the core body unevenly, so that bias flow occurs after entering the internal mixing cavity, the compressed air cannot be well mixed with materials, and even the compressed air is short-circuited when flowing through the internal mixing cavity, so that the atomization of the materials is affected. The utility model provides a flow equalizing gasket sets up a plurality of trompils, and the trompil staggers with compressed air channel's import and arranges. The flow of the air flow entering each compressed air channel is guaranteed to be uniform, and the non-metal material is adopted, so that a good sealing effect can be achieved.
2. The inlet and outlet of each compressed air channel in the core body are arranged in a deflection way, the inlet and outlet of the compressed air channel in the traditional nozzle core body are positioned in the same plane, the mixing strength of the compressed air entering the internal mixing cavity and the materials is weaker, and by adopting the deflection way, the rotational flow is generated after each path of compressed air enters the internal mixing cavity, the mixing strength of the compressed air and the materials is greatly enhanced, and the atomization performance of the materials is improved.
3. The annular groove is formed in one end, connected with the spray gun, of the core body, an inlet of the compressed air channel is located in the annular groove, an outlet of the compressed air channel is located at the other end of the core body, the traditional structure is designed to be free of the annular groove, and incoming compressed air directly enters the air channel from the spray gun, so that pre-mixing is avoided, and uniformity of air flowing into the internal mixing cavity is affected. The novel ring groove structure is designed, compressed air is premixed after passing through the nonmetal flow equalizing gasket, so that the compressed air entering the internal mixing cavity is more uniform, the occurrence of overlarge local air flow difference is avoided, and the mixing degree of the compressed air and materials is improved.
4. The spray opening angle is enlarged at the end part of the spray head cap, the original spray opening angle is too small, the spray speed of liquid drops after material atomization is too large, the atomization range is small, the atomization distance is large, the liquid drops can be easily sprayed onto the wall of the drying equipment, after the spray opening angle is enlarged, the atomization range is enlarged, the atomization distance is reduced, and the material is prevented from being sprayed onto the wall of the drying equipment.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
FIG. 1 is a schematic view of a nozzle structure of the present utility model;
FIG. 2 is a left side view of the nozzle structure of the present utility model
FIG. 3 is a schematic top view of the spray cap of the present utility model
In the figure: the spray head comprises a spray head cap, a screwing nut, a core body, a flow equalizing gasket, a spray gun 5, a spray opening angle 6, a mixing chamber 7, a compressed air channel 8, a ring groove 9, a gas chamber 10, a material chamber 11 and a material channel 12.
Detailed Description
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the present disclosure. 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 disclosure belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments in accordance with the present disclosure. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
for convenience of description, the words "upper", "lower", "left" and "right" in this disclosure, if used, merely denote an upper, lower, left, and right direction consistent with the accompanying drawings, and do not limit the structure, but merely facilitate description of the utility model and simplify description, without indicating or implying that the apparatus or elements 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 disclosure.
The lithium battery is widely applied in various fields of society, the required amount of positive and negative electrode materials is promoted to be rapidly increased, the positive electrode materials serve as cores of the lithium battery, the performance of the whole battery is affected by different positive electrode material characteristics, and the cost of the bar lithium battery is directly determined. The positive electrode material of the lithium battery at the present stage mainly comprises lithium phosphate, lithium manganate and ternary materials. The preparation and synthesis process of the lithium battery anode material has a plurality of advantages by adopting a wet synthesis process, wherein the material drying process plays a key role in the preparation process, and the material drying depth directly influences the material performance.
The higher the spray dispersion, the greater the drying strength, the more uniform the atomization, and the less variation in the water content of the product. The novel high-performance atomization two-fluid atomization nozzle is used for ensuring an atomization effect and achieving a very large lifting effect on material drying.
The utility model provides an atomizing nozzle device of a spray fluidization dryer, which is suitable for high-efficiency atomization of high-viscosity lithium battery anode materials and improves the drying strength of the materials. The working principle of the spray fluidization dryer is that wet materials enter a stirring tank to keep the materials in a liquid state which is continuously stirred, then the materials are conveyed to a material channel of a spray gun in the fluidized bed by a pressure pump, compressed air is conveyed into a compressed air channel of the spray gun, the two fluid channels are not interfered with each other, and the materials are atomized by a two-fluid spray head; the heat required by drying is derived from an external heat source, hot air is sent into the fluidized bed through a system blower, and atomized wet materials are fully evaporated under the action of the hot air, so that the drying of the materials is realized.
The utility model is described in detail below by referring to the drawings, as shown in fig. 1, the two-fluid fluidization spray nozzle disclosed in the embodiment comprises a core body 3, wherein a nozzle cap 1 is arranged at the front part of the core body 3, and a screwing nut 2 is fixedly connected with the core body 3 through threads; the spray cap 1 and the core body 3 are tightly pressed by the screwing nut 2; the rear side of the core body 3 is provided with a spray gun 5, a flow equalizing gasket 4 is arranged between the core body 3 and the spray gun 5, and a compressed air channel 8 and a material channel 12 are arranged in the core body 3; the flow equalizing gasket 4 is provided with holes, the number of the holes is larger than that of the compressed air channels 8, and the holes and inlets of the compressed air channels 8 are staggered. The number of the holes of the flow equalizing gasket 4 is greater than that of the compressed air channels 8, and the holes are staggered with the inlet positions of the compressed air channels 8 in installation and use, so that the compressed air is prevented from being short-circuited, the compressed air flows through the small holes uniformly arranged on the non-metal flow equalizing gasket 4 and enters the annular grooves 9, and then enters the mixing chamber 7 through each compressed air channel 8, and the flow equalizing gasket 4 is made of non-metal materials, so that the sealing is tight.
A gas chamber 10 and a material chamber 11 are arranged in the spray gun 5. The compressed air channel 8 communicates with the gas chamber 10. The material passage 12 communicates with the material chamber 11. The two fluid channels are independent of each other and do not interfere with each other, and enter the mixing chamber 7 for mixing.
The joint of the compressed air channel 8 and the gas chamber 10 is provided with a ring groove 9; the inlet of the compressed air channel 8 is positioned in the annular groove 9, and the outlet is positioned at the front part of the core body 3. The inlet of the compressed air channel 8 is at a greater distance from the centre line than the outlet. The inlet and outlet of the compressed air channel 8 are arranged in a staggered manner. The inlet and the outlet are arranged in a staggered way, so that the compressed air channel 8 has a certain deflection angle, and the compressed air generates rotational flow when passing through the compressed air channel 8. A mixing chamber 7 is arranged in the nozzle cap 1, and a spray opening angle 6 is arranged at the end part of the nozzle cap 1. Two fluids flowing through the compressed air channel 8 and the material channel 12 are fully mixed and atomized in the mixing chamber 7, so that internal mixing atomization is realized, and the material atomization uniformity is improved; the spray opening angle 6 is arranged at the end part of the spray head cap 1, and the spray opening angle 6 can be properly adjusted according to the characteristics of materials so as to meet the requirements of material atomization angle and atomization distance and avoid the material atomization from being sprayed on the wall of the drying equipment.
The core body 3 and the spray gun 5 are fixedly connected through threads. Six compressed air channels 8 are provided. The number of the compressed air channels 8 can be multiple, and the size and the number of the channels can be adjusted according to the flow rate and the working condition.
While the foregoing description of the embodiments of the present utility model has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the utility model, but rather, it is intended to cover all modifications or variations within the scope of the utility model as defined by the claims of the present utility model.
Claims (10)
1. The two-fluid fluidization spray nozzle is characterized by comprising a core body, wherein a nozzle cap is arranged at the front part of the core body, and a screwing nut is fixedly connected with the core body through threads; the screwing nut tightly presses the spray head cap and the core body; the rear side of the core body is provided with a spray gun, a flow equalizing gasket is arranged between the core body and the spray gun, and a compressed air channel and a material channel are arranged in the core body; and the flow equalizing gasket is provided with holes, the number of the holes is larger than that of the compressed air channels, and the holes and inlets of the compressed air channels are staggered.
2. A two fluid fluidised spray nozzle as claimed in claim 1 wherein a gas chamber and a material chamber are provided within the spray gun.
3. A two fluid fluidised spray nozzle as claimed in claim 2 wherein said compressed air passage and gas chamber are in communication.
4. A two fluid fluidised spray nozzle as claimed in claim 2 wherein said material passageway is in communication with the material chamber.
5. A two fluid fluidised spray nozzle as claimed in claim 2 wherein the junction of the compressed air passage and the gas chamber is provided with a ring groove; the inlet of the compressed air channel is positioned in the annular groove, and the outlet is positioned at the front part of the core body.
6. A two fluid fluidised spray nozzle as claimed in claim 2 wherein the inlet of the compressed air passage is spaced from the centre line more than the outlet.
7. A two fluid fluidised spray nozzle as claimed in claim 2 in which the inlet and outlet of the compressed air channel are offset.
8. A two fluid fluidised spray nozzle as claimed in claim 1 wherein a mixing chamber is provided in the nozzle cap and a spray opening angle is provided at the end of the nozzle cap.
9. A two fluid fluidised spray nozzle as claimed in claim 1 wherein said core and said spray gun are fixedly connected by screw threads.
10. A two fluid fluidised spray nozzle as claimed in claim 1 wherein there are six said compressed air passages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322221350.8U CN220780826U (en) | 2023-08-17 | 2023-08-17 | Two-fluid fluidization spray nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322221350.8U CN220780826U (en) | 2023-08-17 | 2023-08-17 | Two-fluid fluidization spray nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220780826U true CN220780826U (en) | 2024-04-16 |
Family
ID=90659398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322221350.8U Active CN220780826U (en) | 2023-08-17 | 2023-08-17 | Two-fluid fluidization spray nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220780826U (en) |
-
2023
- 2023-08-17 CN CN202322221350.8U patent/CN220780826U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |