CN220214887U - Powder surface treatment equipment - Google Patents
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- CN220214887U CN220214887U CN202223582405.XU CN202223582405U CN220214887U CN 220214887 U CN220214887 U CN 220214887U CN 202223582405 U CN202223582405 U CN 202223582405U CN 220214887 U CN220214887 U CN 220214887U
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- 239000000843 powder Substances 0.000 title claims abstract description 185
- 238000004381 surface treatment Methods 0.000 title claims abstract description 23
- 238000001914 filtration Methods 0.000 claims abstract description 29
- 238000000926 separation method Methods 0.000 claims abstract description 26
- 238000011084 recovery Methods 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 11
- 238000004064 recycling Methods 0.000 claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims description 36
- 238000007599 discharging Methods 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 10
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 8
- 230000004048 modification Effects 0.000 abstract description 17
- 238000012986 modification Methods 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 9
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- 239000012495 reaction gas Substances 0.000 description 6
- 238000007385 chemical modification Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 5
- 239000007791 liquid phase Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
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- 239000004745 nonwoven fabric Substances 0.000 description 2
- 238000009700 powder processing Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
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- 239000007787 solid Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000013543 active substance Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
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- 239000008204 material by function Substances 0.000 description 1
- 238000002715 modification method Methods 0.000 description 1
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Abstract
The utility model discloses powder surface treatment equipment which comprises a powder treatment unit, a powder separation and recovery unit and a powder filtering unit, wherein the powder treatment unit is connected with the powder separation and recovery unit; the powder filtering unit is arranged at the top of the powder separating and recycling unit; the powder separating and recycling unit comprises a cyclone separator and a powder storage tank, and the powder storage tank is connected with a powder outlet of the cyclone separator; the side surface of the cyclone separator is provided with a material inlet which is connected with the powder treatment unit; the powder filtering unit comprises a fan and a filtering pipe, the filtering pipe is arranged at the top of the cyclone separator, and the fan is arranged inside the filtering pipe. According to the powder surface treatment equipment, powder is firstly sent into the powder treatment unit for modification treatment, the powder treated by the powder treatment unit enters the powder separation and recovery unit for solid-gas separation, and finally the separated gas is filtered, so that the whole process of modification treatment of the powder is realized.
Description
Technical Field
The utility model belongs to the field of plasma treatment, and particularly relates to powder surface treatment equipment.
Background
Powder is one of the main types of functional materials, and is widely applied to the fields of industry, petroleum, medicine, composite materials and the like, and in the process of using the powder, the surface property of the powder is not matched, so that the powder is often dispersed in a liquid phase and interface bonding cannot meet the use requirement, and at the moment, the surface of the powder is required to be modified.
The conventional powder surface modification method is liquid phase chemical modification, the liquid phase chemical modification process is required to be subjected to liquid phase reaction, water rinsing, drying, crushing and re-screening, the problems of waste liquid discharge, waste water discharge and high energy consumption in the drying process inevitably exist, the liquid phase chemical modification process is multiple, and the treatment cost is high.
The low-temperature plasma surface chemical modification treatment is a gas phase chemical treatment mode, three wastes are not discharged in the treatment process, drying is not needed, energy is saved, environment is protected, and the method has better application in the aspect of powder surface modification.
At present, a vacuum plasma mode is adopted for modifying the surface of the powder by a low-temperature plasma surface chemical modification technology, and the mode has the problems that the powder is not easy to disperse, the powder easily enters a vacuum pump in the treatment process, the pump body is damaged and the like due to the vacuum environment, and the treatment process is intermittent treatment, so that the treatment efficiency is low and the cost is high.
Therefore, the company designs a normal pressure roller type powder modifying device, see Chinese patent CN112702827A in detail, which comprises an electrode unit, a driving unit, an air inlet and outlet unit and a structural unit, wherein the electrode unit is arranged at the central position of the device and is connected with the ground through a circuit, the driving unit is connected with the electrode unit, the air inlet and outlet unit is connected with the electrode unit, and the structural unit is connected with the driving unit and the air inlet and outlet unit. The designed normal pressure roller type powder modifying device forms spiral air flow in the roller through the air compressor and the vacuum pump, the roller starts to rotate under the drive of the driven wheel, powder materials in the roller fully fill the inner space of the roller under the double functions of the stirring sheet and the spiral air flow, and the triangular metal sheet tips on the electrodes and the roller discharge under the normal pressure state to generate plasma, so that the uniformity of the plasma on the powder materials is improved, but the plasma does not treat working gas after the powder treatment, and a large amount of powder is contained in the discharged working gas.
In addition, chinese patent CN109302790a discloses a novel plasma powder modifying device, which uses a pair of two balance electrodes with the same area to discharge, and uses a rotary device to make the powder roll continuously under the action of dead weight, so as to ensure uniformity of powder modification, but it still does not consider how to perform solid-gas separation and filtering of working gas for the modified powder.
The existing powder surface modification treatment equipment cannot realize solid-gas separation of modified powder, and meanwhile, the used working gas also contains a large amount of powder, and the existing method is often direct discharge, so that the waste of the powder and the pollution of air are caused.
Disclosure of Invention
To the unable solid-gas separation that carries out of modified powder through current powder surface modification treatment facility, and then the atmospheric pollution who leads to and the extravagant problem of powder, this application has designed a powder surface treatment facility to when seeking to carry out modification to the powder, filter the working gas simultaneously.
A powder surface treatment device comprises a powder treatment unit, a powder separation and recovery unit and a powder filtering unit;
the powder treatment unit is connected with the powder separation and recovery unit;
the powder filtering unit is arranged at the top of the powder separating and recycling unit.
Preferably, the powder separating and recycling unit comprises a cyclone separator and a powder storage tank, and the powder storage tank is connected with a powder outlet of the cyclone separator;
the side of the cyclone separator is provided with a material inlet which is connected with the powder treatment unit.
Preferably, the powder filtering unit comprises a fan and a filtering pipe;
the filter tube is arranged at the top of the cyclone separator, and the fan is arranged inside the filter tube.
Preferably, the powder treatment unit comprises an inner electrode, an outer electrode, a feeding end, a discharging end and a reaction end;
the inner electrode is grounded, and the outer electrode is connected with the power output end;
the left end of the reaction end is communicated with a feeding end;
the right end of the reaction end is communicated with a discharge end;
the discharging end is connected with a material inlet of the cyclone separator;
the external electrode is arranged on the outer wall of the reaction end;
the inner electrode comprises a working section and an air inlet section, and the working section is communicated with the air inlet section;
the working section is located inside feed end, discharge end and the reaction end, inlet section one end is located outside the feed end, and one end is located in the feed end and is connected with the working section.
Preferably, the inside of the feeding end and the discharging end is also provided with an inner electrode fixing ring, and the inner electrode fixing ring is provided with a rotary airflow hole and an inner electrode hole;
the inner electrode hole is nested and sealed on the outer wall of the inner electrode.
Preferably, the feeding end is also provided with a feeding hole and a powder feeding hole;
the air feeding hole is arranged at the left end of the inner electrode fixing ring;
the powder feeding hole is arranged at the right end of the inner electrode fixing ring.
Preferably, the outlet end of the filter tube is also provided with a non-woven fabric filter element.
Preferably, the external electrode includes a plurality of metal rings, and a space between the plurality of metal rings is adjustable.
Preferably, the working section is a hollow stainless steel powder sintered rod.
Preferably, the air inlet section is a hollow stainless steel rod.
The advantages and effects of the application are as follows:
1. according to the powder surface treatment equipment, the powder treatment unit, the powder separation and recovery unit and the powder filtering unit are connected in a combined mode, powder is firstly fed into the powder treatment unit for modification treatment, the powder treated by the powder treatment unit is fed into the powder separation and recovery unit for solid-gas separation, and finally the separated gas is filtered, so that the whole process of modification treatment of the powder is realized.
2. The working section and the air inlet section of the inner electrode are communicated, working gas enters the working section of the inner electrode from the air inlet section, the powder is modified after entering between the inner electrode and the outer electrode through the hole of the working section, and then the powder is uniformly treated by combining the rotating air flow between the inner electrode and the outer electrode.
3. The application designs the outer electrode into a plurality of metal rings, and the interval between a plurality of metal rings is adjustable, and then realizes the technical effect of control modification treatment intensity.
4. The utility model provides a be provided with rotatory air current hole on the fixed ring of inner electrode, rotatory air current hole can be with the gas direction change that feeds the gas hole and blow out, makes the working gas advance at the reaction end with rotatory mode, realizes promoting the even technological effect of reacting of powder.
5. This application has designed 2 way air flue, and first way air flue carries out working gas's output to the reaction end through the inlet port of inner electrode, and the second way air flue carries out the gas transmission to the reaction end through the feed hole, and the powder can evenly disperse under the disturbance of 2 way air currents, makes the surface of every granule can all expose in the plasma, reaches the purpose of evenly handling.
The foregoing description is only a summary of the technical solutions of the present application, so that the technical means of the present application may be implemented according to the content of the specification, and so that the foregoing and other objects, features and advantages of the present application may be more clearly understood, the following detailed description of the preferred embodiments of the present application is given in conjunction with the accompanying drawings.
The above and other objects, advantages and features of the present application will become more apparent to those skilled in the art from the following detailed description of the specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is a block diagram of a powder surface treatment apparatus provided by the present utility model;
FIG. 2 is a block diagram of a powder processing unit provided by the present utility model;
FIG. 3 is a combined view of the powder separating and recovering unit and the powder filtering unit provided by the utility model;
reference numerals: 1. a powder treatment unit; 2. a powder separation and recovery unit; 3. a powder filtering unit; 4. a cyclone separator; 5. a powder storage tank; 6. a powder outlet; 7. a filter tube; 8. a blower; 9. an external electrode; 10. a feed end; 11. a reaction end; 12. a discharge end; 13. a working section; 14. an air inlet section; 15. an inner electrode fixing ring; 16. an air feeding hole; 17. and a powder feeding hole.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. In the following description, specific details such as specific configurations and components are provided merely to facilitate a thorough understanding of embodiments of the present application. It will therefore be apparent to those skilled in the art that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of the application. In addition, descriptions of well-known functions and constructions are omitted in the embodiments for clarity and conciseness.
It should be appreciated that reference throughout this specification to "one embodiment" or "the present embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the "one embodiment" or "this embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
Furthermore, the present application may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.
The term "and/or" is herein merely an association relationship describing an associated object, meaning that there may be three relationships, e.g., a and/or B, may represent: the terms "/and" herein describe another associative object relationship, indicating that there may be two relationships, e.g., a/and B, may indicate that: the character "/" herein generally indicates that the associated object is an "or" relationship.
The term "at least one" is herein merely an association relation describing an associated object, meaning that there may be three kinds of relations, e.g., at least one of a and B may represent: a exists alone, A and B exist together, and B exists alone.
It is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprise," "include," or any other variation thereof, are intended to cover a non-exclusive inclusion.
Example 1
The embodiment mainly introduces a basic design of powder surface treatment equipment, which comprises a powder treatment unit 1, a powder separation and recovery unit 2 and a powder filtering unit 3; referring to fig. 1 in detail, the powder treatment unit 1 is connected with a powder separation and recovery unit 2; the powder filtering unit 3 is arranged at the top of the powder separating and recycling unit 2. Wherein, the powder separating and recovering unit completes the gas-solid separation; the powder filtering unit is used for finishing the effect of waste gas treatment.
Further, the powder separating and recovering unit 2 comprises a cyclone separator 4 and a powder storage tank 5, and the powder storage tank 5 is connected with a powder outlet 6 of the cyclone separator 4;
the cyclone 4 is provided with a material inlet on its side, which is connected to the powder treatment unit 1.
Further, the powder filtering unit 3 comprises a fan 8 and a filtering pipe 7;
the filter pipe 7 is arranged at the top of the cyclone separator 4, and the fan 8 is arranged inside the filter pipe 7. The connection and combination diagram of the powder separation and recovery unit 2 and the powder filtering unit 3 is shown in fig. 3.
Further, referring to fig. 2, the powder processing unit 1 includes an inner electrode, an outer electrode 9, a feeding end 10, a discharging end 12 and a reaction end 11;
the inner electrode is grounded, and the outer electrode is connected with the power output end;
the left end of the reaction end 11 is communicated with a feeding end 10;
the right end of the reaction end 11 is communicated with a discharge end 12;
the discharging end 12 is connected with a material inlet of the cyclone separator 4;
the outer electrode 9 is arranged on the outer wall of the reaction end 11;
the inner electrode comprises a working section 13 and an air inlet section 14, and the working section 13 is communicated with the air inlet section 14;
the working section 13 is positioned inside the feeding end 10, the discharging end 12 and the reaction end 11, one end of the air inlet section 14 is positioned outside the feeding end 10, and the other end is positioned inside the feeding end 10 and connected with the working section 13.
Further, an inner electrode fixing ring 15 is further arranged inside the feeding end 10 and the discharging end 12, and a rotary airflow hole and an inner electrode hole are formed in the inner electrode fixing ring 15; the advection airflow can form rotational flow after passing through the rotary airflow holes, and plays a role in stirring and dispersing the entering powder; the inner electrode hole is nested and sealed on the outer wall of the inner electrode.
Further, the feeding end 10 is further provided with a feeding hole 16 and a powder feeding hole 17;
the air feeding hole 16 is arranged at the left end of the inner electrode fixing ring 15;
the powder feeding hole 17 is arranged at the right end of the inner electrode fixing ring 15.
Further, the working section 13 is a hollow stainless steel powder sintered rod.
Further, the air inlet section 14 is a hollow stainless steel rod.
According to the powder surface treatment equipment, the powder treatment unit, the powder separation and recovery unit and the powder filtering unit are connected in a combined mode, powder is firstly fed into the powder treatment unit for modification treatment, the powder treated by the powder treatment unit is fed into the powder separation and recovery unit for solid-gas separation, and finally the separated gas is filtered, so that the whole process of modification treatment of the powder is realized.
Example 2
Based on the above embodiment 1, the present embodiment mainly describes an optimized design of a powder surface treatment apparatus, which includes a powder treatment unit 1, a powder separation recovery unit 2, and a powder filtration unit 3;
the powder treatment unit 1 is connected with the powder separation and recovery unit 2;
the powder filtering unit 3 is arranged at the top of the powder separating and recycling unit 2.
Further, the powder separating and recovering unit 2 comprises a cyclone separator 4 and a powder storage tank 5, and the powder storage tank 5 is connected with a powder outlet 6 of the cyclone separator 4;
the cyclone 4 is provided with a material inlet on its side, which is connected to the powder treatment unit 1.
Further, the powder filtering unit 3 comprises a fan 8 and a filtering pipe 7;
the filter pipe 7 is arranged at the top of the cyclone separator 4, and the fan 8 is arranged inside the filter pipe 7.
Further, the powder treatment unit 1 comprises an inner electrode, an outer electrode 9, a feeding end 10, a discharging end 12 and a reaction end 11;
the inner electrode is grounded, and the outer electrode is connected with the power output end;
the left end of the reaction end 11 is communicated with a feeding end 10;
the right end of the reaction end 11 is communicated with a discharge end 12;
the discharging end 12 is connected with a material inlet of the cyclone separator 4;
the outer electrode 9 is arranged on the outer wall of the reaction end 11;
the inner electrode comprises a working section 13 and an air inlet section 14, and the working section 13 is communicated with the air inlet section 14;
the working section 13 is positioned inside the feeding end 10, the discharging end 12 and the reaction end 11, one end of the air inlet section 14 is positioned outside the feeding end 10, and the other end is positioned inside the feeding end 10 and connected with the working section 13.
Further, an inner electrode fixing ring 15 is further arranged inside the feeding end 10 and the discharging end 12, and a rotary airflow hole and an inner electrode hole are formed in the inner electrode fixing ring 15;
the inner electrode hole is nested and sealed on the outer wall of the inner electrode.
Further, the feeding end 10 is further provided with a feeding hole 16 and a powder feeding hole 17;
the air feeding hole 16 is arranged at the left end of the inner electrode fixing ring 15;
the powder feeding hole 17 is arranged at the right end of the inner electrode fixing ring 15.
Furthermore, the outlet end of the filter pipe 7 is also provided with a non-woven fabric filter core, so as to filter the residual fine dust and avoid environmental pollution.
Further, the external electrode 9 includes a plurality of metal rings, and the intervals between the metal rings are adjustable.
Further, the working section 13 is a hollow stainless steel powder sintered rod.
Further, the air inlet section 14 is a hollow stainless steel rod.
Further, the gas introduced into the inner electrode and the gas feeding hole may be a single reaction gas or a mixed gas of a plurality of gases in proportion.
The high-frequency high-voltage electric field is applied to the inner electrode and the outer electrode, so that the reaction gas in the reaction cavity is ionized to form plasma. The active substances in the plasmas react with the surface of the powder to generate new active groups or form a grafting layer on the surface of the powder, thereby realizing the purpose of surface modification of the powder.
The working section and the air inlet section of the inner electrode are communicated, working gas enters the working section of the inner electrode from the air inlet section, the powder is modified after entering between the inner electrode and the outer electrode through the hole of the working section, and then the powder is uniformly treated by combining the rotating air flow between the inner electrode and the outer electrode.
The application designs the outer electrode into a plurality of metal rings, and the interval between a plurality of metal rings is adjustable, and then realizes the technical effect of control modification treatment intensity.
The utility model provides a be provided with rotatory air current hole on the fixed ring of inner electrode, rotatory air current hole can be with the gas direction change that feeds the gas hole and blow out, makes the working gas advance at the reaction end with rotatory mode, realizes promoting the even technological effect of reacting of powder.
Example 3
Based on the above embodiments 1-2, this embodiment mainly describes a method for using a powder surface treatment apparatus, which includes the steps of:
step S1, connecting an inner electrode to the ground and an outer electrode to a power output end;
s2, the reaction gas enters the reaction end in two paths respectively;
step S3, feeding the powder raw material to a reaction end through a powder feeding hole;
s4, conveying the reaction gas and powder after reaction at the reaction end into a cyclone separator by airflow for gas-solid separation;
s5, the separated powder enters a powder storage tank from the lower end of the cyclone separator for collection;
and S6, the reaction gas enters a filter pipe from the upper end of the cyclone separator, is separated into filters and is discharged.
Further, in the step S2, the reaction gas enters the working section through the gas inlet section of the inner electrode, and enters the reaction end through the micropores of the working section; the other path firstly enters the air feeding hole and then enters the reaction end through the rotary air flow hole.
Further, in the step S3, the powder raw material is fed into the powder feeding hole through the quantitative feeder, and is sent into the reaction end in a swirling state under the pushing of 2 paths of gas.
This application has designed 2 way air flue, and first way air flue carries out working gas's output to the reaction end through the inlet port of inner electrode, and the second way air flue carries out the gas transmission to the reaction end through the feed hole, and the powder can evenly disperse under the disturbance of 2 way air currents, makes the surface of every granule can all expose in the plasma, reaches the purpose of evenly handling.
The above description is only of the preferred embodiments of the present utility model and it is not intended to limit the scope of the present utility model, but various modifications and variations can be made by those skilled in the art. Variations, modifications, substitutions, integration and parameter changes may be made to these embodiments by conventional means or may be made to achieve the same functionality within the spirit and principles of the present utility model without departing from such principles and spirit of the utility model.
Claims (10)
1. The powder surface treatment device is characterized by comprising a powder treatment unit (1), a powder separation and recovery unit (2) and a powder filtering unit (3);
the powder treatment unit (1) is connected with the powder separation and recovery unit (2);
the powder filtering unit (3) is arranged at the top of the powder separating and recycling unit (2).
2. A powder surface treatment apparatus according to claim 1, characterized in that the powder separation and recovery unit (2) comprises a cyclone separator (4) and a powder storage tank (5), the powder storage tank (5) being connected to a powder outlet (6) of the cyclone separator (4);
the side of the cyclone separator (4) is provided with a material inlet which is connected with the powder treatment unit (1).
3. A powder surface treatment apparatus according to any one of claims 1 or 2, characterized in that the powder filtration unit (3) comprises a fan (8) and a filtration tube (7);
the filter pipe (7) is arranged at the top of the cyclone separator (4), and the fan (8) is arranged inside the filter pipe (7).
4. A powder surface treatment device according to claim 2, characterized in that the powder treatment unit (1) comprises an inner electrode, an outer electrode (9), a feed end (10), a discharge end (12) and a reaction end (11);
the left end of the reaction end (11) is communicated with a feeding end (10);
the right end of the reaction end (11) is communicated with a discharge end (12);
the discharging end (12) is connected with a material inlet of the cyclone separator (4);
the external electrode (9) is arranged on the outer wall of the reaction end (11);
the inner electrode comprises a working section (13) and an air inlet section (14), and the working section (13) is communicated with the air inlet section (14);
the working section (13) is located inside the feeding end (10), the discharging end (12) and the reaction end (11), one end of the air inlet section (14) is located outside the feeding end (10), and the other end of the air inlet section is located inside the feeding end (10) and connected with the working section (13).
5. The powder surface treatment device according to claim 4, wherein an inner electrode fixing ring (15) is further arranged inside the feeding end (10) and the discharging end (12), and a rotary airflow hole and an inner electrode hole are arranged on the inner electrode fixing ring (15);
the inner electrode hole is nested and sealed on the outer wall of the inner electrode.
6. A powder surface treatment device according to claim 4, characterized in that the feed end (10) is further provided with a feed hole (16) and a feed hole (17);
the air feeding hole (16) is arranged at the left end of the inner electrode fixing ring (15);
the powder feeding hole (17) is arranged at the right end of the inner electrode fixing ring (15).
7. A powder surface treatment device according to claim 3, characterized in that the outlet end of the filter tube (7) is further provided with a non-woven filter element.
8. A powder surface treatment device according to any one of claims 4 or 5 or 6, characterized in that the outer electrode (9) comprises a plurality of metal rings, the spacing between which is adjustable.
9. A powder surface treatment device according to any one of claims 4 or 5 or 6, characterized in that the working section (13) is a hollow stainless steel powder sintered rod.
10. A powder surface treatment device according to any one of claims 4 or 5 or 6, characterized in that the air inlet section (14) is a hollow stainless steel rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223582405.XU CN220214887U (en) | 2022-12-30 | 2022-12-30 | Powder surface treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223582405.XU CN220214887U (en) | 2022-12-30 | 2022-12-30 | Powder surface treatment equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220214887U true CN220214887U (en) | 2023-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202223582405.XU Active CN220214887U (en) | 2022-12-30 | 2022-12-30 | Powder surface treatment equipment |
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| CN (1) | CN220214887U (en) |
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- 2022-12-30 CN CN202223582405.XU patent/CN220214887U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |