CN216094276U

CN216094276U - Feeding dehydration fan

Info

Publication number: CN216094276U
Application number: CN202122012587.6U
Authority: CN
Inventors: 张建
Original assignee: Zhangjiagang Pu Rui Plastic Machinery Co ltd
Current assignee: Zhangjiagang Pu Rui Plastic Machinery Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-03-22
Anticipated expiration: 2031-08-25

Abstract

The utility model discloses a feeding dehydration fan.A fan shell and a bearing seat for supporting a rotating shaft are fixedly arranged on a base; the feeding pipe is hermetically connected to a feeding port on a front side plate of the fan shell, and the discharging pipe is hermetically connected to a discharging port on a top plate of the fan shell; a rotating shaft driven by a driving device penetrates through a through hole on a rear side plate of the fan shell and then extends into an inner cavity of the fan shell to be fixedly connected with the impeller; the two ends of the back gap of the C-shaped cylindrical filter screen surrounding the impeller are respectively and fixedly connected to the inner cavity wall of the fan shell at the two sides of the discharge port, the inner side wall of the C-shaped cylindrical filter screen, the front side plate of the fan shell and the back side plate of the fan shell are encircled to form an independent feeding cavity, the feed port and the discharge port are communicated with the feeding cavity, the outer side wall of the C-shaped cylindrical filter screen and the inner cavity wall of the fan shell are encircled to form an independent collecting cavity, and the fan shell is provided with a drain hole. The feeding and dewatering fan integrates feeding and dewatering, and is simple and compact in structure.

Description

Feeding dehydration fan

Technical Field

The utility model relates to plastic mechanical equipment, in particular to a feeding dehydration fan.

Background

China is a world large country for plastic production and use, and a large amount of waste plastics are generated every year. Compared with the traditional disposal modes such as landfill and incineration, the method for preparing the recycled plastic particles by recycling the waste plastics has the advantages of small influence on the environment, high resource utilization rate and the like. The production line process for manufacturing the regenerated plastic particles by the waste plastics comprises the following steps: the waste plastic enters an extruder to form molten plastic, and then is extruded through an extrusion port with a fixed shape on the extruder, and is shaped and cut by water cooling to obtain regenerated plastic particles, and the regenerated plastic particles enter a dehydration device such as a dehydration vibrating screen and a centrifugal dehydrator to be dehydrated and then are sent into a feeding bin through a feeding fan, so that the subsequent regenerated plastic particles can be bagged. The water content of the regenerated plastic particles dehydrated by the dehydration device is usually about 1.5%, and the water content is high.

SUMMERY OF THE UTILITY MODEL

The technical problems to be solved by the utility model are as follows: the feeding dehydration fan can feed materials and can perform dehydration treatment on regenerated plastic particles.

In order to solve the problems, the utility model adopts the technical scheme that: the feeding dehydration fan comprises: the fan comprises a base, a fan shell and a bearing seat for supporting a rotating shaft are fixedly arranged on the base; a feed inlet communicated with the inner cavity of the fan shell is formed in the front side plate of the fan shell, a feed pipe is connected to the feed inlet in a sealing manner, a discharge outlet communicated with the inner cavity of the fan shell is formed in the top plate of the fan shell, and a discharge pipe is connected to the discharge outlet in a sealing manner; a rotating shaft supported in the bearing seat penetrates through a through hole on a rear side plate of the fan shell and then extends into an inner cavity of the fan shell, an impeller is fixedly installed on the rotating shaft extending into the inner cavity of the fan shell, and the rotating shaft is driven by a driving device; the method is characterized in that: a C-shaped cylindrical filter screen is arranged in an inner cavity of the fan shell, the C-shaped cylindrical filter screen surrounds the periphery of the impeller, two ends of a notch of the C-shaped cylindrical filter screen are respectively and fixedly connected to the wall of the inner cavity of the fan shell on two sides of the discharge port, and an opening at the rear end of the C-shaped cylindrical filter screen is hermetically connected with a rear side plate of the fan shell; after the front side plate of the fan shell is sealed and covered, the inner side wall of the C-shaped cylindrical filter screen, the front side plate of the fan shell and the rear side plate of the fan shell are surrounded to form an independent feeding cavity, the feeding port and the discharging port are communicated with the feeding cavity, an independent collecting cavity is formed between the outer side wall of the C-shaped cylindrical filter screen and the inner cavity wall of the fan shell in a surrounding mode, regenerated plastic particles enter the feeding cavity through the feeding pipe, the regenerated plastic particles are conveyed out from the discharging pipe after being centrifugally dewatered under the driving of the rotation of the impeller, centrifugally separated water falls into the collecting cavity through the filtering holes in the C-shaped cylindrical filter screen, and a water discharging hole for discharging water in the collecting cavity is further formed in the fan shell.

Further, aforementioned pay-off dewatering fan, wherein, fixed mounting has at least one fan on the base, and the mouth of blowing of every fan all faces the bearing frame.

Furthermore, still be provided with the blowing pipe in the aforesaid pay-off dewatering fan, set up the connect the through-hole with the mouth one-to-one of blowing of each fan on the lateral wall of blowing pipe, the mouth of blowing of every fan all communicates with the connect the through-hole that corresponds is sealed, set up the blowpit with the inner chamber intercommunication of blowing pipe on the lateral wall of blowing pipe towards the bearing frame.

Further, according to the feeding dehydration fan, at least one cleaning opening communicated with the collection cavity is formed in the top plate of the fan shell, and the air suction device can clean the C-shaped cylindrical filter screen through the cleaning opening to suck out impurities such as dust.

Further, aforementioned pay-off dewatering fan, wherein, the sound-proof housing lid is on the base, with each part shroud on the base in the closed cavity that forms between sound-proof housing and base, set up the top through-hole that supplies the discharging pipe to stretch out at the roof of sound-proof housing, set up the lateral part through-hole that supplies the inlet pipe to stretch out on the preceding curb plate of sound-proof housing, it has the one deck soundproof cotton to paste on the inner chamber wall of sound-proof housing.

The utility model has the beneficial effects that: the feeding dehydration fan integrates feeding and dehydration, the water content of the regenerated plastic particles dehydrated by the dehydration device on a production line for manufacturing the regenerated plastic particles from waste plastics is usually about 1.5%, and after the regenerated plastic particles dehydrated by the dehydration device are sent into the feeding dehydration fan for secondary dehydration, the water content of the regenerated plastic particles is not more than 1%, so that the water content of the regenerated plastic particles is greatly reduced.

Drawings

Fig. 1 is an external structural schematic diagram of a feeding and dewatering fan according to the present invention.

Fig. 2 is a schematic view showing the internal structure of the feed dewatering fan of fig. 1 with the soundproof cover removed.

Fig. 3 is a schematic perspective view of the sound-proof cover and the front side plate of the fan case shown in fig. 1.

Detailed Description

The technical solution of the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.

As shown in fig. 2 and 3, the feeding and dewatering fan according to the present invention includes: the base 9 is fixedly attached to the base 9, and the fan case 2 and the bearing holder 5 for supporting the rotary shaft 51 are fixed to the base 9. A feed inlet communicated with the inner cavity of the fan shell 2 is formed in the front side plate of the fan shell 2, the feed pipe 22 is connected to the feed inlet in a sealing mode, a discharge outlet communicated with the inner cavity of the fan shell 2 is formed in the top plate of the fan shell 2, and the discharge pipe 23 is connected to the discharge outlet in a sealing mode. The rotating shaft 51 supported in the bearing seat 5 passes through a through hole on the rear side plate of the fan shell 2 and then extends into the inner cavity of the fan shell 2, an impeller 7 is fixedly arranged on the rotating shaft 51 extending into the inner cavity of the fan shell 2, and the rotating shaft 51 is driven to rotate by a driving device. The driving device may be a combination of the motor 4 and the belt transmission 3, or may be in other forms, and the driving device according to the present disclosure is not limited to the above-mentioned one.

As shown in fig. 3, a C-shaped cylindrical filter screen 8 is arranged in an inner cavity of the fan housing 2, the C-shaped cylindrical filter screen 8 surrounds the impeller 7, two ends of a gap of the C-shaped cylindrical filter screen 8 are respectively and fixedly connected to the inner cavity wall of the fan housing 2 at two sides of the discharge port, and an open opening at the rear end of the C-shaped cylindrical filter screen 8 is hermetically connected with a rear side plate of the fan housing 2; after the front side plate of the fan shell 2 is sealed, the inner side wall of the C-shaped cylindrical filter screen 8, the front side plate of the fan shell 2 and the rear side plate of the fan shell 2 are surrounded to form an independent feeding cavity, and the feeding hole and the discharging hole are communicated with the feeding cavity. An independent collecting cavity is formed by enclosing the outer side wall of the C-shaped cylindrical filter screen 8 and the inner cavity wall of the fan shell 2, regenerated plastic particles enter the feeding cavity through the feeding pipe 22, the regenerated plastic particles are centrifugally dewatered under the drive of the rotation of the impeller 7 and then are discharged from the discharging pipe, centrifugally dewatered water falls into the collecting cavity through the filtering holes in the C-shaped cylindrical filter screen 8, and the fan shell 2 is further provided with a water discharging hole for discharging the water in the collecting cavity.

When the feeding dehydration fan operates, the bearing seat 5 bears a large load, and long-term use can lead to the bearing seat 5 to generate heat and further influence the service performance and the service life of the bearing seat 5, so that at least one fan 6 is fixedly installed on the base 9 in the embodiment, as shown in fig. 2 and 3, the air blowing port of each fan 6 faces the bearing seat 5, and air cooling is performed on the bearing seat 5.

The preferred scheme is to add the blowpipe 61, set up the connect through-hole with the mouth one-to-one of blowing of each fan 6 on the lateral wall of blowpipe 61, the mouth of blowing of every fan 6 all communicates with the connect through-hole that corresponds is sealed, set up the blowpipe groove with the inner chamber intercommunication of blowpipe 61 on the lateral wall of blowpipe 61 towards bearing frame 5, the blowpipe groove is towards bearing frame 5 promptly.

After the feeding dehydration fan is used for a long time, the filtering holes in the C-shaped cylindrical filter screen 8 are easily blocked by impurities such as dust, so that the dehydration effect of the feeding dehydration fan is influenced, therefore, at least one cleaning opening communicated with the collection cavity is formed in the top plate of the fan shell 2, and the cover plate 21 is covered on the cleaning opening. The cover plate 21 is taken down, the air suction device can penetrate through the cleaning opening to clean the C-shaped cylindrical filter screen 8, impurities such as dust are sucked out, and the dewatering effect of the feeding dewatering fan is guaranteed under the condition that the fan shell 2 is not detached.

The pay-off dewatering fan noise is great in the use, this embodiment still is provided with sound-proof housing 1, as shown in fig. 1, sound-proof housing 1 covers on base 9, cover each part on base 9 in the closed cavity that forms between sound-proof housing 1 and base 9, set up the top through-hole 11 that supplies outlet pipe 23 to stretch out at the roof of sound-proof housing 9, set up the lateral part through-hole 12 that supplies inlet pipe 22 to stretch out on the preceding curb plate of sound-proof housing 1, it has the one deck soundproof cotton to paste on the inner chamber wall of sound-proof housing 1, in order to reduce the noise that the pay-off dewatering fan produced when using.

The feeding dehydration fan with the structure integrates feeding and dehydration, has simple and compact structure and low manufacturing cost, and can dehydrate the regenerated plastic particles while feeding. The water content of the regenerated plastic particles dehydrated by the dehydrating device on the production line for manufacturing the regenerated plastic particles from the waste plastics is usually about 1.5 percent, and after the regenerated plastic particles dehydrated by the dehydrating device are sent into the feeding dehydrating fan for secondary dehydration, the water content of the regenerated plastic particles is not more than 1 percent, so that the water content of the regenerated plastic particles is greatly reduced.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, but any modifications or equivalent variations made in accordance with the technical spirit of the present invention are within the scope of the present invention as claimed.

Claims

1. Pay-off dewatering fan includes: the fan comprises a base, a fan shell and a bearing seat for supporting a rotating shaft are fixedly arranged on the base; a feed inlet communicated with the inner cavity of the fan shell is formed in the front side plate of the fan shell, a feed pipe is connected to the feed inlet in a sealing manner, a discharge outlet communicated with the inner cavity of the fan shell is formed in the top plate of the fan shell, and a discharge pipe is connected to the discharge outlet in a sealing manner; a rotating shaft supported in the bearing seat penetrates through a through hole on a rear side plate of the fan shell and then extends into an inner cavity of the fan shell, an impeller is fixedly installed on the rotating shaft extending into the inner cavity of the fan shell, and the rotating shaft is driven by a driving device; the method is characterized in that: a C-shaped cylindrical filter screen is arranged in an inner cavity of the fan shell, the C-shaped cylindrical filter screen surrounds the periphery of the impeller, two ends of a notch of the C-shaped cylindrical filter screen are respectively and fixedly connected to the wall of the inner cavity of the fan shell on two sides of the discharge port, and an opening at the rear end of the C-shaped cylindrical filter screen is hermetically connected with a rear side plate of the fan shell; after the front side plate of the fan shell is sealed and covered, the inner side wall of the C-shaped cylindrical filter screen, the front side plate of the fan shell and the rear side plate of the fan shell are encircled to form an independent feeding cavity, the feeding port and the discharging port are communicated with the feeding cavity, an independent collecting cavity is encircled between the outer side wall of the C-shaped cylindrical filter screen and the inner cavity wall of the fan shell, and a water discharging hole for discharging water in the collecting cavity is further formed in the fan shell.

2. The feed dewatering fan of claim 1, further comprising: at least one fan is fixedly installed on the base, and the air blowing port of each fan faces the bearing seat.

3. The feed dewatering fan of claim 2, wherein: still be provided with the blowing pipe, set up on the lateral wall of blowing pipe with the mouth one-to-one connection hole of blowing of each fan, the mouth of blowing of every fan all with the sealed intercommunication of the connection hole that corresponds, set up the blowpit with the inner chamber intercommunication of blowing pipe on the lateral wall of the blowing pipe towards the bearing frame.

4. The feed dewatering fan of claim 1, further comprising: at least one cleaning opening communicated with the collection cavity is formed in the top plate of the fan shell.

5. The feed dewatering fan of claim 1, 2 or 4, wherein: the sound-proof housing covers on the base, and with each part shroud on the base in the closed cavity that forms between sound-proof housing and base, set up the top through-hole that supplies the discharging pipe to stretch out at the roof of sound-proof housing, set up the lateral part through-hole that supplies the inlet pipe to stretch out on the preceding curb plate of sound-proof housing, it has the one deck soundproof cotton to paste on the inner chamber wall of sound-proof housing.