CN218518971U

CN218518971U - Powder coating production system that superfine powder can be recycled

Info

Publication number: CN218518971U
Application number: CN202222636474.8U
Authority: CN
Inventors: 赵晨
Original assignee: Tianjin Xiangsheng Weiye Powder Coating Co ltd
Current assignee: Tianjin Xiangsheng Weiye Powder Coating Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-02-24
Anticipated expiration: 2032-09-30

Abstract

The utility model provides a powder coating production system with recyclable ultrafine powder, which comprises a raw material mixing unit, an extruder, a crushing unit, a separation unit and a recycling unit; the raw materials sequentially pass through a mixing unit, an extruder, a crushing unit and a separation unit. The recycling unit comprises a recycling tank and a dyeing device. The recovery tank can be used for storing the ultrafine powder screened out by the separation unit. The dyeing device is provided with a feed inlet, a discharge outlet and a feed inlet through which pigment can be fed, the feed inlet of the dyeing device is communicated with the recovery tank, the discharge outlet of the dyeing device is communicated with the raw material mixing unit, the dyeing device can mix the entering superfine powder and the pigment and convey the mixed superfine powder to the raw material mixing unit. The utility model provides a powder coating production system that superfine powder can be recycled can avoid extravagant, guarantees to the reuse of superfine powder, increases operation rate, and the practicality is strong.

Description

Powder coating production system that superfine powder can be recycled

Technical Field

The utility model belongs to the technical field of powder coating production, concretely relates to powder coating production system that superfine powder can be recycled.

Background

The powder coating is a completely different form from general coating materials, and it is present in a state of fine powder, and is called a powder coating material because it does not use a solvent. The powder coating has the characteristics of harmlessness, high efficiency, resource saving, environmental protection and the like. For the production process of powder coating, the raw materials are usually mixed in a premixing pot, and then melt-extruded in an extruder, and then crushed, and finally screened to form the finished powder coating.

In the prior art, in order to prevent the phenomenon of uneven or agglomeration of powder coating in subsequent use due to the existence of ultrafine powder, the ultrafine powder is usually screened out in the screening process, generally 20-30kg of ultrafine powder is produced in each ton of powder coating production, because the corresponding colors of different powder coatings are different, the part of ultrafine powder can be degraded and utilized only as leftovers, and when the production capacity is large, the raw material waste caused by the method is serious, and the practicability is poor.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a powder coating production system that superfine powder can be recycled aims at solving the poor problem of practicality that current powder coating production system leads to because of superfine powder is extravagant.

In order to achieve the above object, the utility model adopts the following technical scheme: the production system of the powder coating with the recyclable ultrafine powder comprises a raw material mixing unit, an extruder, a crushing unit, a separating unit and a recycling unit; the raw material mixing unit is used for mixing all raw materials of the powder coating; a feed port of the extruder is communicated with a discharge port of the raw material mixing unit so as to receive the materials introduced by the raw material mixing unit, heat the materials until the materials are melted and extrude the materials; the crushing unit is used for sequentially cooling, crushing and crushing the materials extruded by the extruder to form a mixture of powder coating and ultrafine powder; the separation unit is used for screening the mixture to screen out ultrafine powder doped in the mixture;

the recycling unit comprises a recycling tank and a dyeing device; the recovery tank is used for storing the ultrafine powder screened out by the separation unit; the dyeing device is provided with a feed inlet, a discharge outlet and a feed inlet for feeding pigments, the feed inlet of the dyeing device is communicated with the recovery tank, the discharge outlet of the dyeing device is communicated with the raw material mixing unit, and the dyeing device is used for mixing the entering ultrafine powder and the pigments and transmitting the mixed ultrafine powder to the raw material mixing unit.

In one possible implementation, the crushing unit comprises a tablet press and a micronizer; the feed end of the tablet press is arranged corresponding to the discharge hole of the extruder to receive the material led out from the discharge hole of the extruder, transfer the material to cool the material and extrude the material to form a sheet; an impact structure is arranged at the discharge end of the tablet press and used for crushing the cooled material; the micro-powder machine is used for crushing the crushed flaky materials.

In one possible implementation manner, the impact structure comprises a bearing platform, a bracket, a telescopic structure and an impact hammer; the bearing platform is positioned at the discharge end of the tablet press and used for the passing of the delivered flaky materials, and the bracket is fixedly arranged on the tablet press; the telescopic structure is positioned above the bearing platform, the fixed end of the telescopic structure is fixedly arranged on the bracket, and the telescopic end of the telescopic structure vertically extends downwards; the impact hammer is connected with the telescopic end of the telescopic structure and used for reciprocating under the driving of the telescopic structure so as to hammer the flaky materials passing through the bearing platform.

In one possible implementation, the separation unit comprises a cyclone separator and a rotating screen; the cyclone separator is used for separating the material led out by the micronizer and is provided with a first lead-out opening for leading out superfine powder; the rotary sieve is used for sieving the materials led out by the separator and is provided with a second leading-out port for leading out ultrafine powder.

In a possible implementation manner, the recovery tank is provided with a feeding hole and a discharging hole, and the feeding hole of the recovery end is respectively communicated with the first outlet and the second outlet; and the discharge hole of the recovery tank is communicated with the feed inlet of the dyeing device.

In a possible implementation, the feed inlet of the recovery tank is provided with a transfer pump.

In one possible implementation manner, the dyeing device comprises a frame body, a cylinder body and a stirring structure; the barrel is fixedly arranged on the frame body and provided with an accommodating cavity, and a feed inlet of the dyeing device, a discharge outlet of the dyeing device and a feed inlet of the dyeing structure are communicated with the accommodating cavity; the stirring structure is arranged on the cylinder body and used for mixing and stirring the ultrafine powder and the pigment in the cylinder body.

In the implementation manner/application embodiment, the raw materials can be ensured to be manufactured by the powder coating after passing through the raw material mixing unit, the extruder, the crushing unit and the separation unit in sequence. The arranged separation unit can ensure that the ultrafine powder screened by the separation unit is collected and is continuously transmitted to the raw material mixing unit after being recycled, so that continuous utilization is ensured, waste can be avoided, and the utilization rate is improved. The collection and the storage to superfine powder can be guaranteed to the recovery tank, and dyeing apparatus can guarantee to mix superfine powder and pigment, and then guarantees that the superfine powder of different colours dyes, guarantees to the reuse of superfine powder, and the practicality is strong.

Drawings

Fig. 1 is a schematic process flow diagram of a powder coating production system for recycling ultra-fine powder provided by the embodiment of the utility model;

fig. 2 is a schematic structural diagram of a tablet press of a powder coating production system capable of reusing ultra-fine powder provided by an embodiment of the present invention;

fig. 3 is a schematic cross-sectional structural view of a dyeing apparatus of a reusable powder coating production system for ultra-fine powder provided by an embodiment of the present invention;

description of the reference numerals:

10. a raw material mixing unit; 20. an extruder; 30. a crushing unit; 31. a tablet press; 311. a receiving platform; 312. a support; 313. a telescopic structure; 314. an impact hammer; 32. a micronizer; 40. a separation unit; 41. a cyclone separator; 42. rotating the screen; 50. a reuse unit; 51. a recovery tank; 52. a dyeing device; 521. a frame body; 522. a barrel; 523. and (5) a stirring structure.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 3, a reusable powder coating production system of ultra-fine powder according to the present invention will now be described. The system for producing the recyclable ultrafine powder coating comprises a raw material mixing unit 10, an extruder 20, a crushing unit 30, a separation unit 40 and a recycling unit 50; the raw material mixing unit 10 can mix the raw materials of the powder coating material. The feed inlet of the extruder 20 is communicated with the discharge outlet of the raw material mixing unit 10 to receive the material introduced by the raw material mixing unit 10, heat the material to be molten, and extrude the material. The crushing unit 30 is capable of sequentially cooling, crushing and pulverizing the material extruded from the extruder 20 to form a mixture of the powder coating and the ultra-fine powder. The separation unit 40 can sieve the mixture to remove the ultra-fine powder doped in the mixture.

The reuse unit 50 includes a recovery tank 51 and a dyeing apparatus 52. The recovery tank 51 can store ultra fine powder screened out by the separation unit 40. The dyeing device 52 has a feed inlet, a discharge outlet, and a feed inlet through which the pigment can be fed, the feed inlet of the dyeing device 52 is communicated with the recovery tank 51, the discharge outlet of the dyeing device 52 is communicated with the raw material mixing unit 10, and the dyeing device 52 can mix the entering ultrafine powder and the pigment and transmit the mixed ultrafine powder to the raw material mixing unit 10.

Compared with the prior art, the powder coating production system capable of reusing the ultrafine powder provided by the embodiment can ensure the production of the powder coating after raw materials sequentially pass through the raw material mixing unit 10, the extruder 20, the crushing unit 30 and the separation unit 40. The arranged separation unit 40 can ensure that the ultrafine powder screened by the separation unit 40 is collected and continuously transmitted to the raw material mixing unit 10 after being recycled, so that continuous utilization is ensured, waste can be avoided, and the utilization rate is improved. The collection and storage to the superfine powder can be guaranteed to recovery tank 51, and dyeing apparatus 52 can guarantee to mix superfine powder and pigment, and then guarantee that the superfine powder of different colours dyes, guarantee to the reuse of superfine powder, and the practicality is strong.

It should be noted that the powder coating discharged by the separation unit 40 is a finished product, and can be directly boxed.

The raw material mixing unit 10 may be a premix kettle.

In some embodiments, the crushing unit 30 may be configured as shown in fig. 1 to 2. Referring to fig. 1 to 2, the crushing unit 30 includes a tablet press 31 and a micronizer 32. The feed end of tablet press 31 corresponds the setting with the discharge gate of extruder 20 to receive the material of being derived by the discharge gate of extruder 20, and transmit the material, make the material cooled, and extrude the material, so that the material forms the slice. The discharge end department of tablet press 31 is equipped with impact structure, and impact structure can be broken to the material after the cooling. The pulverizer 32 can pulverize the pulverized sheet-like material. The tablet press 31 is arranged to cool the material extruded by the extruder 20 and shape the material. The impact structure that sets up at tablet press 31 discharge end can guarantee to be the material of preforming form and carry out the breakage to guarantee that follow-up material can be convenient for add to the rubbing crusher 32 in, carry out the mode of handling to the material simultaneously through tablet press 31 and rubbing crusher 32, can guarantee the crushing effect of material, the practicality is strong.

The tablet press 31 is a conventional art, and the tablet press 31 generally includes a transmission belt to receive the material extruded by the extruder 20, and the transmission belt is provided with a compression roller to ensure the material to be pressurized so as to form a sheet. In order to ensure the cooling effect, a fan may be provided on the tablet press 31. The micronizer 32 is conventional and will not be described in detail herein.

In some embodiments, the impingement structures described above may be configured as shown in FIG. 2. Referring to fig. 2, the impact structure includes a receiving platform 311, a bracket 312, a telescopic structure 313, and an impact hammer 314. The receiving platform 311 is located at the discharge end of the tablet press 31 and can be used for passing the transferred sheet materials, and the bracket 312 is fixedly arranged on the tablet press 31. The telescopic structure 313 is located above the bearing platform 311, the fixed end of the telescopic structure 313 is fixedly arranged on the bracket 312, and the telescopic end of the telescopic structure 313 vertically extends downwards. The impact hammer 314 is connected with the telescopic end of the telescopic structure 313 and can reciprocate under the driving of the telescopic structure 313 to hammer the sheet material passing through the receiving platform 311. Accept platform 311 and can set firmly the afterbody at tablet press 31 conveyer belt, and support 312 can set firmly on the mount of tablet press 31, drives impact hammer 314 through extending structure 313 and carries out the hammering to the material of accepting on the platform 311, can guarantee to carry out broken handle to the material of preforming form, simple structure, the practicality is strong.

In some embodiments, the separation unit 40 may have a structure as shown in fig. 3. Referring to fig. 3, the separation unit 40 includes a cyclone 41 and a rotary screen 42. The cyclone 41 can separate the material discharged from the micronizer 32, and the cyclone 41 has a first discharge port through which the micropowder is discharged. The rotary screen 42 can sieve the material discharged from the separator, and the rotary screen 42 has a second discharge port for discharging the ultra fine powder.

The cyclone 41 ensures a first separation of the crushed material so that the ultra fine powder is screened out. And rotary screen 42 can guarantee to carry out the secondary separation to the superfine powder, makes the superfine powder by the screening, can guarantee simultaneously that great granule is by the screening to guarantee that the powder coating that finally derives is more standard. The cyclone 41 and the rotary screen 42 are prior art and their working principle is not described in detail.

In some embodiments, the recovery tank 51 may be configured as shown in FIG. 3. Referring to fig. 3, the recovery tank 51 has a feed inlet and a discharge outlet, and the feed inlet of the recovery end is respectively communicated with the first outlet and the second outlet. The discharge port of the recovery tank 51 is communicated with the feed port of the dyeing apparatus 52. The recovery tank 51 ensures collection and storage of the ultra-fine powder, thereby ensuring subsequent reuse of the ultra-fine powder.

In some embodiments, the recovery tank 51 may be configured as shown in FIG. 3. Referring to fig. 3, a transfer pump is provided at the feed inlet of the recovery tank 51 in such a manner as to ensure rapid transfer of the ultra-fine powder.

In some embodiments, the dyeing device 52 may be configured as shown in fig. 3. Referring to fig. 3, the dyeing apparatus 52 includes a frame 521, a cylinder 522, and an agitating structure 523. The cylinder 522 is fixedly arranged on the frame 521, the cylinder 522 is provided with an accommodating cavity, and a feed inlet of the dyeing device 52, a discharge outlet of the dyeing device 52 and a feed inlet of the dyeing structure are communicated with the accommodating cavity. The stirring structure 523 is disposed on the cylinder 522, and can mix and stir the ultrafine powder and the pigment in the cylinder 522. The dyeing device 52 can ensure that the ultra-fine powder and the pigment are fully mixed, and can prevent subsequent uneven dyeing.

The inlet of the dyeing apparatus 52 and the inlet of the dyeing structure may be both located at the top end of the barrel 522, and the outlet of the dyeing apparatus 52 may be located at the bottom of the sidewall of the barrel 522. The discharge port of the dyeing device 52 and the raw material mixing unit 10 may be communicated by an auger. A transfer pump may be provided at the feed port of the dyeing apparatus 52 to ensure that the ultra-fine powder in the recovery tank 51 can be transferred to the recovery tank 51.

In this embodiment, the stirring structure 523 may include a driver, a rotating shaft, and a stirring rod; the driver is fixedly arranged at the bottom of the cylinder 522; the rotating shaft is rotatably arranged on the cylinder 522 and is arranged in a collinear manner with the central axis of the cylinder 522 in the vertical direction, and the bottom end of the rotating shaft penetrates through the cylinder 522 and then is connected with the power output end of the driver; the puddler is equipped with two at least, and each puddler sets up round the axis annular and the interval of pivot, the one end and the pivot fixed connection of every puddler, and the other end stretches out along the radial of pivot, and each puddler all is located the bottom in holding chamber.

As another embodiment of the present application, a communication pipeline is provided between the recycling tank 51 and the extruder 20, and a delivery pump is provided, so that the ultrafine powder can be directly delivered to the extruder 20 in the production process of a powder coating (the color of the ultrafine powder is single, and dyeing is not needed) with a certain color, and further energy can be saved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims

1. The production system of the powder coating with the reusable ultrafine powder is characterized by comprising a raw material mixing unit, an extruder, a crushing unit, a separation unit and a recycling unit; the raw material mixing unit is used for mixing all raw materials of the powder coating; a feed port of the extruder is communicated with a discharge port of the raw material mixing unit so as to receive the materials introduced by the raw material mixing unit, heat the materials until the materials are molten and extrude the materials; the crushing unit is used for sequentially cooling, crushing and crushing the materials extruded by the extruder to form a mixture of powder coating and ultrafine powder; the separation unit is used for screening the mixture so as to screen out the ultrafine powder doped in the mixture;

2. A micropowder reusable powder coating production system as claimed in claim 1 wherein the crushing unit comprises a tablet press and a micronizer; the feed end of the tablet press is arranged corresponding to the discharge hole of the extruder to receive the material led out from the discharge hole of the extruder, transfer the material to cool the material and extrude the material to form a sheet; an impact structure is arranged at the discharge end of the tablet press and used for crushing the cooled material; the micro-powder machine is used for crushing the crushed flaky materials.

3. An ultra fine powder reusable powder coating production system as claimed in claim 2 wherein said impact structure comprises a receiving platform, a bracket, a telescopic structure and an impact hammer; the bearing platform is positioned at the discharge end of the tablet press and used for the passing of the delivered flaky materials, and the bracket is fixedly arranged on the tablet press; the telescopic structure is positioned above the bearing platform, the fixed end of the telescopic structure is fixedly arranged on the bracket, and the telescopic end of the telescopic structure vertically extends downwards; the impact hammer is connected with the telescopic end of the telescopic structure and used for reciprocating under the driving of the telescopic structure so as to hammer the flaky materials passing through the bearing platform.

4. An ultrafine powder reusable powder coating producing system as claimed in claim 2, wherein said separation unit comprises a cyclone separator and a rotary screen; the cyclone separator is used for separating the material led out by the micronizer and is provided with a first lead-out opening for leading out superfine powder; the rotary screen is used for screening the materials led out by the separator and is provided with a second leading-out port for leading out ultrafine powder.

5. A system for producing a recyclable powder coating as defined in claim 4 wherein the recovery tank has a feed port and a discharge port, the feed port of the recovery tank being in communication with the first outlet port and the second outlet port, respectively; and the discharge hole of the recovery tank is communicated with the feed inlet of the dyeing device.

6. An ultra-fine powder reusable powder coating production system as claimed in claim 5 wherein said recovery tank is provided at its feed inlet with a transfer pump.

7. An ultrafine powder reusable powder coating producing system as defined in claim 5, wherein said dyeing apparatus comprises a frame body, a cylinder body and a stirring structure; the barrel is fixedly arranged on the frame body and provided with an accommodating cavity, and a feed inlet of the dyeing device, a discharge outlet of the dyeing device and a feed inlet of the dyeing device are communicated with the accommodating cavity; the stirring structure is arranged on the cylinder body and used for mixing and stirring the ultrafine powder and the pigment in the cylinder body.