CN209971201U

CN209971201U - Cleaning, screening and drying integrated device for polypropylene particles

Info

Publication number: CN209971201U
Application number: CN201920441333.6U
Authority: CN
Inventors: 王瑞栋; 马仁德; 张辉
Original assignee: SHANDONG ORIENT HONGYE CHEMICAL CO Ltd
Current assignee: SHANDONG ORIENT HONGYE CHEMICAL CO Ltd
Priority date: 2019-04-02
Filing date: 2019-04-02
Publication date: 2020-01-21
Anticipated expiration: 2029-04-02

Abstract

The utility model discloses a cleaning, screening and drying integrated device for polypropylene particles, which comprises a shell, wherein a vibration screening mechanism is arranged in the shell; a material inlet for polypropylene particles, a washing nozzle and a drying mechanism are arranged towards the material receiving port of the vibration screening mechanism; and a water storage tank is formed in the bottom space in the shell towards the material leakage port at the lower part of the vibrating screen mechanism, the water storage tank is communicated with the flushing nozzle through a water pumping pipeline, and a water pumping pump is installed on the water pumping pipeline. The utility model discloses compact structure is reasonable, and occupation space is little, and has improved work efficiency greatly, has avoided the waste of washing water resource.

Description

Cleaning, screening and drying integrated device for polypropylene particles

Technical Field

The utility model relates to a granulation technical field is extruded to polypropylene, concretely relates to integrative device of washing, screening and stoving of polypropylene granule.

Background

Polypropylene (PP) is a semi-crystalline thermoplastic, has tough mechanical properties, can resist corrosion of various acids, alkalis and organic solvents, has strong impact resistance, low density and rich raw material sources, is widely applied in the industry, and is one of the most common high polymer materials.

Most of polypropylene synthesized by industrial mixing is powdery, and powdery materials are easy to diffuse and fly in the air due to small diameter, so that the environment is polluted in the processes of packaging, storage, transportation and use, and the health of operators is even influenced. For convenience of packaging, storage, transportation and use, it is usually required to granulate the powdery material to form particles with a larger diameter, so as to reduce dust pollution to the environment during circulation and use of the material. In practical production application, an extrusion granulator is generally adopted for extrusion granulation of polypropylene.

The extrusion granulator is a granulation process for agglomerating solid materials by using pressure, and has the working principle that a certain amount of water or steam is used for enabling base materials to agglomerate into balls by means of extrusion force generated among material particles under a certain liquid phase condition through the rotary motion of a cylinder, so that the produced plastic particles still contain a large amount of moisture after being discharged and need to be dehydrated and dried.

At present, the utility model patent of patent number ZL 201820465287.9, the name is "screening dewatering device of extruding the granulator" discloses a screening dewatering device of extruding the granulator, including setting up the wiper mechanism who extrudes the granulator discharge end, wiper mechanism includes top surface open-ended washing dish, fill the cooling washing liquid that is used for wasing plastic granules in the washing dish, still including the dehydration separating mechanism who is used for dry plastic granules, the screening mechanism who is used for vibration screening plastic granules, based on this structure, the utility model has the advantages of can wash, dry, select separately the plastic granules of extruding the granulator production, but still have following defect: (1) the structure for realizing the three functions of cleaning, drying and sorting is designed in a split manner, the occupied space is large, and the working efficiency is low; (2) the water used for cleaning is directly discharged without recycling, thereby causing the waste of water resources.

Therefore, develop the integrative device of washing, screening and stoving of a polypropylene granule to above-mentioned problem, not only have urgent research value, also have good economic benefits and industrial application potentiality, it is exactly the utility model discloses the power place and the basis that can accomplish.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-identified drawbacks of the prior art, the present inventors have conducted intensive studies and, after having paid a lot of creative efforts, have completed the present invention.

Particularly, the utility model discloses the technical problem that solve is: the utility model provides a washing of polypropylene granule, screening and integrative device of drying to the screening dewatering device who solves the granulator under the prior art washs, dry, selects separately the structural components of a whole that can function design, and occupation space is big, and work efficiency is low, and washs the problem that causes the water waste.

In order to solve the technical problem, the technical scheme of the utility model is that:

a cleaning, screening and drying integrated device for polypropylene particles comprises a shell, wherein a vibration screening mechanism is arranged in the shell; a material inlet of the polypropylene particles, a washing nozzle and a drying mechanism are arranged towards a material receiving port of the vibration screening mechanism; towards the vibration sieve mechanism lower part drain hole bottom space in the casing forms the aqua storage tank, the aqua storage tank through the pipeline that draws water with the washing terminals intercommunication, install the suction pump on the pipeline that draws water.

As a further improvement, the vibration screening mechanism comprises a screen body, the screen body comprises a cylindrical surrounding edge, a screen is fixedly installed on the lower end opening of the cylindrical surrounding edge to form the material leakage opening, and the upper end opening of the cylindrical surrounding edge forms the material receiving opening; the screen frame through a plurality of shale shaker spring with shells inner wall connects, it has vibrating motor still to fix on the screen frame, the tube-shape is enclosed and is provided with first discharge gate, install first discharge gate shutter on the first discharge gate correspond on the casing first discharge gate is provided with the second discharge gate, install the second discharge gate shutter on the second discharge gate.

As a further improvement, a plurality of supporting plates are arranged on the inner wall of the shell corresponding to each vibrating screen spring, the vibrating screen springs are vertically arranged on the supporting plates, the lower ends of the vibrating screen springs are fixedly connected with the upper surfaces of the supporting plates, and the upper ends of the vibrating screen springs are fixedly connected with the cylindrical surrounding edge.

As a further improvement, the number of the supporting plates is four, and the supporting plates are uniformly distributed on the same horizontal plane of the inner wall of the shell; the vibrating motors are arranged in two numbers and are oppositely arranged on the cylindrical surrounding edge.

As a further improvement, the top of the shell is of a hollow frame structure, the drying mechanism is a drying fan, the drying fan is fixedly installed on the hollow frame, and a blowing opening of the drying fan faces towards the material receiving opening.

As a further improvement, the feed inlet is arranged on the hollow frame, a feed hopper is installed on the feed inlet, and a material outlet of the feed hopper faces towards the material receiving opening.

As a further improvement, a filter layer is arranged between the vibration screening mechanism and the water storage tank inside the shell.

As a further improvement, the shell comprises an upper shell and a lower shell, the upper shell and the lower shell are butted and fixedly connected through a flange, and the filter layer is installed at the lower port of the upper shell or at the upper port of the lower shell.

As a further improvement, a liquid level display device for displaying the water level in the water storage tank is arranged on the lower shell; still be provided with on the casing down with inside moisturizing pipe and the drain pipe of intercommunication of aqua storage tank, be provided with the drain valve on the drain pipe.

As further improvement, the washing nozzle includes that the annular is responsible for, the annular is responsible for the orientation a plurality of spouts that wash have been opened to one side of material receiving mouth, every wash and all install on the spout and wash the nozzle, the annular be responsible for with the pipeline intercommunication draws water.

After the technical scheme is adopted, the method has the following beneficial effects:

(1) the utility model integrates the functions of cleaning, screening and drying of the propylene particles, reduces the volume of the device and greatly reduces the occupied space;

(2) by utilizing the utility model, the cleaning work can be carried out while the vibration screening mechanism carries out the polypropylene particle screening work, thereby not only improving the cleaning efficiency of the particles, but also improving the cleaning degree;

(3) by utilizing the utility model, after the cleaning work is finished, the drying efficiency can be improved by the simultaneous work of the vibration screening mechanism and the drying mechanism;

(4) the utility model discloses be provided with the aqua storage tank, and the aqua storage tank carries out recycle through drinking-water pipeline and washing terminals intercommunication to wasing water, has avoided the water resource waste.

To sum up, the utility model discloses compact structure is reasonable, and occupation space is little, and has improved work efficiency greatly, has avoided the waste of washing the water resource.

Drawings

FIG. 1 is a schematic view of the structure of the cleaning, screening and drying integrated device for polypropylene particles according to the present invention;

fig. 2 is a schematic view of a top view structure of the integrated device for cleaning, screening and drying polypropylene particles of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 1;

FIG. 5 is a cross-sectional view taken at C-C of FIG. 1;

FIG. 6 is a cross-sectional view taken along line D-D of FIG. 1;

FIG. 7 is a cross-sectional view E-E of FIG. 1;

FIG. 8 is an enlarged view taken at a point a in FIG. 3;

in the figure: 1-housing, 11-support plate, 12-second outlet flap, 13-hollow frame, 14-upper housing, 15-lower housing, 2-vibrating screen mechanism, 21-screen body, 211-cylindrical surrounding edge, 212-screen mesh, 213-drain, 214-receiving opening, 215-first outlet flap, 22-vibrating screen spring, 23-vibrating motor, 3-flushing nozzle, 31-annular main pipe, 32-flushing nozzle, 4-feeding funnel, 5-drying fan, 6-water storage tank, 61-water pumping pipe, 62-water pump, 63-liquid level display device, 64-water replenishing pipe, 65-water discharging pipe, 66-water discharging valve, 7-filter layer, 71-upper filter screen, 72-lower filter screen, 73-filter cotton layer, 74-L type connecting piece.

Detailed Description

The invention will be further described with reference to specific examples. The use and purpose of these exemplary embodiments are to illustrate the invention, not to limit the scope of the invention in any way, and not to limit the scope of the invention in any way.

As shown in fig. 3, an integrated device for cleaning, screening and drying polypropylene particles comprises a shell 1, wherein a vibration screening mechanism 2 is arranged in the shell 1;

the vibrating screening mechanism 2 comprises a screen body 21, the screen body 21 comprises a cylindrical surrounding edge 211, a screen 212 is fixedly installed on the lower end opening of the cylindrical surrounding edge 211 and forms a material leakage opening 213, polypropylene powder and fine slag particles which do not form particles can be screened out of the screen body 21 through the material leakage opening 213, and in addition, a material receiving opening 214 is formed at the upper end opening of the cylindrical surrounding edge 211; the screen body 21 is connected with the inner wall of the shell 1 through a plurality of vibrating screen springs 22, the specific structure is that the inner wall of the shell 1 is provided with a plurality of supporting plates 11 corresponding to each vibrating screen spring 22, the vibrating screen springs 22 are vertically arranged on the supporting plates 11, the lower ends of the vibrating screen springs 22 are fixedly connected with the upper surfaces of the supporting plates 11, the upper ends of the vibrating screen springs 22 are fixedly connected with the cylindrical surrounding edge 211, and the fixed connection mode is welding; with reference to fig. 6, in order to improve the vibration stability of the screen 21, the number of the support plates 11 is four, and the support plates are uniformly distributed on the same horizontal plane of the inner wall of the housing 1, and with reference to fig. 5, two vibration motors 23 are further fixedly mounted on the screen 21, and the two vibration motors 23 are oppositely arranged on the cylindrical surrounding edge 211;

as further shown in fig. 1, in order to facilitate taking out the screened, cleaned and dried polypropylene particles, a first discharge port is arranged on the cylindrical surrounding edge 211, a first discharge port shutter 215 is installed on the first discharge port, a second discharge port is arranged on the housing 1 corresponding to the first discharge port, and a second discharge port shutter 12 is installed on the second discharge port.

As shown in fig. 2, the top of the casing 1 is a hollow frame 13 structure, and as shown in fig. 3, a feeding port 214 of the vibrating screen mechanism 2 is provided with a feeding port of polypropylene particles, a washing nozzle 3 and a drying mechanism, a water storage tank 6 is formed in a bottom space of the casing 1 facing a lower discharging port 213 of the vibrating screen mechanism, the water storage tank 6 is communicated with the washing nozzle 3 through a water pumping pipeline 61, and a water pumping pump 62 is installed on the water pumping pipeline 61, wherein:

as shown in fig. 3 and fig. 2, the feeding port is arranged on the hollow frame 13, the feeding funnel 4 is installed on the feeding port, the material outlet of the feeding funnel 4 is arranged towards the material receiving port 214, and the arrangement of the feeding funnel 4 facilitates inputting the polypropylene particles output by the extrusion granulator into the sieve body 21;

as shown in fig. 3 and fig. 4, the washing nozzle 3 includes an annular main pipe 31, a plurality of washing nozzles are opened on one side of the annular main pipe 31 facing the receiving port 214, each washing nozzle is provided with a washing nozzle 32, the annular main pipe 31 is communicated with the water pumping pipeline 61, and the design of the annular main pipe 31 enhances the uniformity and coverage of washing water spraying, so that the cleanliness and efficiency of polypropylene particle washing are improved;

as shown in fig. 3 and fig. 2, the drying mechanism is a drying fan 5, the drying fan 5 is fixedly mounted on the hollow frame 13, the blowing opening of the drying fan 5 faces the material receiving opening 214, the top of the casing 1 is of a hollow frame 13 structure, and water vapor escapes outwards when drying is facilitated, so that the water vapor is prevented from being liquefied again in the casing 1, and the dryness of polypropylene particles is influenced.

Based on the structure, the device integrates the functions of cleaning, screening and drying the propylene particles, reduces the volume of the device and greatly reduces the occupied space; the cleaning work can be carried out while the vibration screening mechanism 2 carries out the polypropylene particle screening work, so that the particle cleaning efficiency can be improved, and the cleaning degree is also improved; after the cleaning work is finished, the vibration screening mechanism 2 and the drying mechanism work simultaneously, so that the drying efficiency can be improved; the device is provided with aqua storage tank 6, and aqua storage tank 6 communicates with washing terminals 3 through pipeline 61 that draws water, has carried out recycle to wasing water, has avoided the waste of water resource.

In order to improve the cleanliness of the recycling of cleaning water, a filter layer 7 is arranged between the vibration screening mechanism 2 and the water storage tank 6 in the shell 1, the specific structure of the filter layer 7 is shown in fig. 8, the filter layer 7 comprises an upper filter screen 71 and a lower filter screen 72, a filter cotton layer 73 is clamped between the upper filter screen 71 and the lower filter screen 72, and the filter screens are fixedly connected with the filter cotton layer 73 in a sticking manner; the filter layer 7 is fixedly connected with the inner wall of the shell 1 through an L-shaped connecting piece 74, and specifically, the L-shaped connecting piece 74 is respectively fixedly connected with the filter layer 7 and the inner wall of the shell 1 through screws;

as shown in fig. 1 and fig. 3, in order to facilitate the disassembly, assembly and replacement of the filter layer 7, the housing 1 includes an upper housing 14 and a lower housing 15, the upper housing 14 is abutted to the lower housing 15 and fixedly connected by a flange, the filter layer 7 is installed at a lower port of the upper housing 14 or at an upper port of the lower housing 15, in this embodiment, the filter layer 7 is installed at an upper port of the lower housing 15, and it should be noted that the position of the water pumping pipeline 61 corresponding to the abutting position of the upper housing 14 and the lower housing 15 is also abutted and fixed by a flange.

As further shown in fig. 3 and 7, in order to facilitate the amount of water to be washed in the water storage tank 6, a liquid level display device 63 for displaying the water level in the water storage tank 6 is disposed on the lower housing 15, and the liquid level display device 63 may be an L-shaped transparent quartz tube having a simple structure and an anti-corrosion function; in order to conveniently and timely supplement or discharge the cleaning water in the water storage tank 6, a water supplementing pipe 64 and a water discharging pipe 65 which are communicated with the inside of the water storage tank 6 are further arranged on the lower shell 15, and a water discharging valve 66 is arranged on the water discharging pipe 65.

It should be further explained that, in order to prolong the service life of the present invention, the inner wall of the cylindrical surrounding edge 211 of the inner wall of the casing 1, the screen body 21, the screen mesh 212, the filter screen, the L-shaped connecting piece 74, the vibrating screen spring 22, the supporting plate 11, the water pumping pipeline 61, the annular main pipe 31, the water replenishing pipe 64 and the inner wall of the water discharging pipe 65 are all subjected to anti-corrosion treatment.

Synthesize that fig. 3 shows, the utility model relates to a washing of polypropylene granule, screening and integrative device's of stoving theory of operation as follows:

will the utility model provides a washing of polypropylene granule, screening and integrative device of stoving sets up the discharge end at polypropylene extrusion granulator, make the material import of feed hopper 4 aim at the discharge gate of extrusion granulator, the polypropylene material borrows into to screen frame 21 by feed hopper 4, start vibrating motor 23 and suction pump 62, wash water in the aqua storage tank 6 sprays on the polypropylene material in screen frame 21 via drinking-water pipeline 61 and washing terminals 3, polypropylene powder and the fine crushing sediment granule that do not form the granule in the polypropylene material spill screen frame 21 along with wash water by the hourglass material mouth 213 that screen cloth 212 formed, and fall on filter layer 7, filter through filter layer 7, granule impurity such as polypropylene in the wash water has stayed on filter layer 7, wash water continues to flow back to in aqua storage tank 6 downwards, in order to be applied to the cleaning work in next stage;

after the screening and cleaning work is finished, the water suction pump 62 is closed, the vibration motor 23 is continuously started, the drying fan 5 is started at the same time, the polypropylene particles remained in the screen body 21 are dried, and the continuous vibration of the screen body 21 can improve the drying efficiency of the polypropylene particles;

after the drying operation is completed, the vibration motor 23 and the drying fan 5 are closed, the second discharge port shutter 12 and the first discharge port shutter 215 are opened, and the polypropylene particles in the screen body 21 are taken out, so that the cleaning, screening and drying of the polypropylene particles are completed.

It will be understood that the use of this example is merely illustrative of the invention and is not intended to limit the scope of the invention. Furthermore, it should be understood that various changes, modifications and/or alterations to the present invention may be made by those skilled in the art after reading the technical disclosure of the present invention, and all such equivalents may fall within the scope of the present invention as defined by the appended claims.

Claims

1. A cleaning, screening and drying integrated device for polypropylene particles is characterized by comprising a shell, wherein a vibration screening mechanism is arranged in the shell; a material inlet of the polypropylene particles, a washing nozzle and a drying mechanism are arranged towards a material receiving port of the vibration screening mechanism; towards the vibration sieve mechanism lower part drain hole bottom space in the casing forms the aqua storage tank, the aqua storage tank through the pipeline that draws water with the washing terminals intercommunication, install the suction pump on the pipeline that draws water.

2. The integrated device for cleaning, screening and drying polypropylene particles as claimed in claim 1, wherein the vibrating screening mechanism comprises a screen body, the screen body comprises a cylindrical surrounding edge, a screen is fixedly mounted on a lower port of the cylindrical surrounding edge to form the material leakage port, and an upper port of the cylindrical surrounding edge forms the material receiving port; the screen frame through a plurality of shale shaker spring with shells inner wall connects, it has vibrating motor still to fix on the screen frame, the tube-shape is enclosed and is provided with first discharge gate, install first discharge gate shutter on the first discharge gate correspond on the casing first discharge gate is provided with the second discharge gate, install the second discharge gate shutter on the second discharge gate.

3. The integrated apparatus for washing, screening and drying polypropylene particles as claimed in claim 2, wherein the inner wall of the housing has a plurality of support plates corresponding to each of the vibrating screen springs, the vibrating screen springs are vertically disposed on the support plates, the lower ends of the vibrating screen springs are fixedly connected to the upper surfaces of the support plates, and the upper ends of the vibrating screen springs are fixedly connected to the cylindrical surrounding edge.

4. The integrated device for cleaning, screening and drying polypropylene particles as claimed in claim 3, wherein the number of the support plates is four, and the support plates are uniformly arranged on the same horizontal plane of the inner wall of the shell; the vibrating motors are arranged in two numbers and are oppositely arranged on the cylindrical surrounding edge.

5. The integrated device for cleaning, screening and drying polypropylene particles as claimed in claim 4, wherein the top of the housing is a hollow frame structure, the drying mechanism is a drying fan, the drying fan is fixedly mounted on the hollow frame structure, and an air blowing port of the drying fan faces the material receiving port.

6. The integrated device for washing, screening and drying polypropylene particles as claimed in claim 5, wherein the feeding port is disposed on the hollow frame, a feeding funnel is mounted on the feeding port, and a material outlet of the feeding funnel is disposed towards the material receiving port.

7. The integrated apparatus for cleaning, screening and drying polypropylene particles as claimed in claim 6, wherein a filter layer is disposed between the vibrating screening mechanism and the water storage tank inside the housing.

8. The integrated apparatus for cleaning, screening and drying polypropylene particles as claimed in claim 7, wherein the housing comprises an upper housing and a lower housing, the upper housing and the lower housing are connected to each other and fixedly connected by a flange, and the filter layer is installed at a lower port of the upper housing or at an upper port of the lower housing.

9. The integrated apparatus for cleaning, screening and drying polypropylene particles as claimed in claim 8, wherein the lower housing is provided with a liquid level display device for displaying the water level in the water storage tank; still be provided with on the casing down with inside moisturizing pipe and the drain pipe of intercommunication of aqua storage tank, be provided with the drain valve on the drain pipe.

10. The integrated device for cleaning, screening and drying polypropylene particles as claimed in claim 9, wherein the washing nozzle comprises a main ring pipe, a plurality of washing nozzles are opened on one side of the main ring pipe facing the receiving port, each washing nozzle is provided with a washing nozzle, and the main ring pipe is communicated with the water pumping pipeline.