CN215312112U - Reduce feeding device of dust emission - Google Patents

Abstract

A feeding device for reducing dust emission is used for feeding PVC materials and comprises a high-speed mixing tank, a cooling mixing cylinder and a feeding hopper; according to the utility model, the top of the feeding hopper is heightened, the guide cavity and the guide plate which is connected with the guide cavity and is obliquely arranged are arranged at the heightened position, so that the speed of the materials and dust generated by the materials entering the feeding hopper is reduced, the phenomenon that a large amount of dust is lifted due to too high material entering speed or the dust enters the feeding hopper and escapes everywhere due to too high material entering speed is prevented, the materials enter the feeding hopper stably and slowly, and the dust is difficult to escape is effectively solved, the defects that the feeding device for producing PVC lifts a large amount of dust due to too high material entering speed, the dust easily escapes and is difficult to collect, the subsequent treatment is inconvenient and easy to pollute the environment, and the machine maintenance cost is increased are effectively solved, and the PVC feeding device is suitable for PVC production, processing and use.

Description

Reduce feeding device of dust emission

Technical Field

The utility model relates to the field of mechanical equipment, in particular to a feeding device capable of reducing dust emission.

Background

In the production process of PVC full-automatic batching, feeding is an important process, materials are generally stirred and mixed uniformly in a high-speed mixing tank, the materials heated during high-speed stirring are stirred and cooled at a low speed in a cooling mixing cylinder, and then the materials are fed through a feeding hopper, but the feeding device used at present can raise a large amount of dust due to the high speed of the materials when the materials are fed into the feeding hopper after the materials are stirred and mixed, the dust is also fast when the materials enter the feeding hopper, and the dust is easy to escape, so that a large amount of dust is easy to discharge, the environment is polluted, meanwhile, the subsequent dust is inconvenient to process, and is easy to adhere to the inside of a machine, and the maintenance cost is increased, so the utility model provides a solution for the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to make up the defects of the prior art, provides a feeding device capable of reducing dust emission, and aims to overcome the defects that a large amount of dust is raised when materials fed into a feeding hopper of the conventional feeding device for producing PVC are too high in speed, the dust is easy to escape and collect, the subsequent treatment is inconvenient and environment is easily polluted, and the maintenance cost of a machine is increased.

Specifically, the technical scheme of the utility model is as follows:

a feeding device for reducing dust emission is used for feeding PVC materials; the feeding device for reducing dust emission comprises a high-speed mixing tank, a cooling mixing cylinder and a feeding hopper, wherein the high-speed mixing tank is communicated with the feeding hopper through a conveying pipeline, a feeding port is formed in the top of the high-speed mixing tank, a feeder is arranged at the feeding port, a discharging port is formed in the bottom of the feeding hopper, the discharging port is connected with a spiral feeding rod, a flow guide cavity is formed in the top of the feeding hopper, the flow guide cavity is connected with the conveying pipeline of the cooling mixing cylinder, the flow guide cavity is connected with a flow guide plate, the flow guide plate is inclined, the inclination angle is 30 degrees, the flow guide device is used for guiding materials in the conveying process and reducing the speed of the materials entering the feeding hopper, and powder dissipated in the conveying process is concentrated to the flow guide cavity to be convenient to collect.

Further, high-speed compounding jar cooling compounding section of thick bamboo reaches all be equipped with a dust pocket in the magazine, the dust pocket includes a bag cage and a filter bag, the dust pocket bottom is equipped with a fan, and the bag cage is used for strutting the filter bag, prevents that the filter bag from collapsing, and the filter bag is used for adsorbing the dust of loss on every side.

Furthermore, one side of the top of the diversion cavity is connected with an exhaust pipe for discharging waste gas in the feeding hopper, so that the waste gas deposition is prevented from influencing the product quality.

Further, the top of the flow guide cavity is provided with a handle, so that the flow guide cavity can be conveniently opened to clean and maintain the flow guide cavity.

Furthermore, the height of the top of the feeding hopper is not less than 1.5 m, so that a sufficient buffer distance is reserved for the materials and the dust entering the flow guide cavity, the speed of the materials and the dust entering the feeding hopper is reduced, and a large amount of dust is lifted at an excessively high material entering speed or is prevented from escaping at four places at an excessively high dust entering speed; the bottom of the feeding hopper is of a V-shaped structure, so that the materials can be conveyed conveniently.

Further, including a main rotation axis, one side rotation axis and a ejection of compact sealing device in the high-speed compounding jar, set up main rotation axis and side rotation axis simultaneously and can accelerate compounding speed, ejection of compact sealing device can avoid the material by high-speed compounding jar is delivered to dust leakage appears when cooling down the compounding section of thick bamboo.

Further, be equipped with a plurality of rotating vane in the cooling compounding section of thick bamboo, it has a plurality of louvres to open on the rotating vane, cooling compounding section of thick bamboo wall is equipped with the cooling water course that supplies cooling water circulation, can make the even heat dissipation of material when the low-speed stirring, prevents that the material from because high temperature caking or agglomeration.

The PVC feeding device has the beneficial effects that the top of the feeding hopper is heightened, the guide cavity and the guide plate which is connected with the guide cavity and is obliquely arranged are arranged at the heightened position, so that the speed of materials and dust entering the feeding hopper is reduced, the phenomenon that a large amount of dust is lifted at an excessively high material entering speed or the dust enters the feeding hopper and escapes from all places at an excessively high speed is prevented, the materials are ensured to stably and slowly enter the feeding hopper, meanwhile, the dust also enters the guide cavity and is not easy to escape, and the defects that the materials fed into the feeding hopper by the conventional PVC feeding device are easy to escape and collect, the subsequent treatment is inconvenient and easy to pollute the environment, and the machine maintenance cost is increased are effectively overcome.

Drawings

Fig. 1 is a schematic structural diagram of a feeding device for reducing dust emission according to a first embodiment.

In the figure: 1. the device comprises a high-speed mixing tank, 2 parts of a cooling mixing barrel, 3 parts of a feeding hopper, 4 parts of a feeder, 5 parts of a spiral feeding rod, 6 parts of a flow guide cavity, 7 parts of a flow guide plate, 8 parts of a dust removal bag, 9 parts of a fan, 10 parts of an exhaust pipe, 11 parts of a handle, 12 parts of a main rotating shaft, 13 parts of a side rotating shaft and 14 parts of a discharging sealing device.

Detailed Description

The embodiments described below are only a part of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the present embodiment provides a feeding device for reducing dust emission, which comprises a high-speed mixing tank 1, a cooling mixing drum 2 and a feeding hopper 3, the high-speed mixing tank 1, the cooling mixing cylinder 2 and the feeding hopper 3 are communicated through a conveying pipeline, the top of the high-speed mixing tank 1 is provided with a feed inlet, the feed inlet is provided with a feeder 4, the high-speed mixing tank 1 is internally provided with a main rotating shaft 12, a side rotating shaft 13 and a discharging sealing device 14, after materials enter the high-speed mixing tank 1, the main rotating shaft 12 and the side rotating shaft 13 simultaneously mix the materials, so that the mixing speed can be effectively increased, after the mixing is finished, the materials enter the cooling mixing cylinder 2 from the discharging sealing device, the discharging sealing device can avoid dust leakage when the materials are conveyed to the cooling mixing cylinder 2 by the high-speed mixing tank 1. The cooling mixing barrel 2 is internally provided with a plurality of rotating blades, the rotating blades are provided with a plurality of heat dissipation holes, the wall of the cooling mixing barrel 2 is provided with a cooling water channel for cooling water circulation, materials are mixed at a high speed and then cooled in the cooling mixing barrel 2, the heat of the materials is dissipated to the periphery by the heat dissipation holes in the rotating blades during low-speed stirring, and the cooling water channel can absorb the heat in the materials in a water cooling mode to prevent the materials from caking or agglomerating due to overhigh temperature.

The bottom of the feeding hopper 3 is provided with a discharge hole, and the bottom of the feeding hopper 3 is of a V-shaped structure, so that the materials can be conveyed conveniently. The discharge port is connected with a spiral feeding rod 5, the top of the feeding hopper 3 is heightened, the heightened height of the top of the feeding hopper 3 is not lower than 1.5 m, a diversion cavity 6 is arranged at the heightened position, the diversion cavity 6 is connected with the conveying pipeline of the cooling mixing barrel 2, the diversion cavity 6 is connected with a diversion plate 7, the diversion plate 7 is obliquely arranged, and the inclination angle is 30 degrees.

In this embodiment, work as throw the material device during operation, the PVC material is followed the feed inlet passes through loader 4 gets into in the high-speed compounding jar 1, main rotating shaft 12 and side rotating shaft 13 carry out the compounding stirring to the material simultaneously in high-speed compounding jar 1, make the compounding even, later get into in the cooling compounding section of thick bamboo 2 and utilize the cooling water course of opening the radiator fin that has a plurality of louvres and section of thick bamboo wall setting to the material that heaies up when high-speed stirring to carry out low-speed stirring cooling, prevent that the material from because the high caking of temperature or caking, pass through after that throw hopper 3 throws the material. The material can pass through earlier when getting into batch hopper 3 guide plate 7 gets into water conservancy diversion chamber 6, and 3 tops of batch hopper are increased and are left sufficient buffer distance for water conservancy diversion chamber 6, and material and dust get into batch hopper 3 simultaneously and can set up through the slope earlier guide plate 7, the angle of inclination be 30 guide plate 7 can receive an ascending resistance in the slant after can making the material get into, reduce the speed that material and dust got into, prevent that the material entering speed from lifting a large amount of dust or the too fast escape of dust speed everywhere at the excessive speed for the material in the transportation leads to for the material in the transportation process to and slow down the speed when the material gets into batch hopper, and concentrate the direction of the powder of escape in the transportation process extremely be convenient for collect in the water conservancy diversion chamber. One side of the top of the diversion cavity is also connected with an exhaust pipe for discharging waste gas in the feeding hopper, so that the waste gas is prevented from silting to influence the product quality. And finally, the material passing through the diversion cavity 6 falls into a discharge port at the bottom of the feeding hopper 3 and is conveyed to the next procedure through the spiral feeding rod 5.

Preferably, high-speed compounding jar cooling compounding section of thick bamboo reaches all be equipped with a dust bag in the magazine, the dust bag includes a bag cage and a filter bag, the dust bag bottom is equipped with a fan, and the bag cage is used for strutting the filter bag, prevents that the filter bag from collapsing, and the filter bag is used for adsorbing the dust of loss on every side. The top of the diversion cavity is provided with a handle, so that the diversion cavity can be conveniently opened to clean and maintain the diversion cavity.

The PVC feeding device is simple in structure, the top of the feeding hopper is heightened, the guide cavity and the guide plate which is connected with the guide cavity and is obliquely arranged are arranged at the heightened position, so that the speed of the materials and dust generated by the materials entering the feeding hopper is reduced, the phenomenon that a large amount of dust is lifted at an excessively high material entering speed or the dust enters the feeding hopper and escapes from the feeding hopper at an excessively high speed is prevented, the materials are ensured to stably and slowly enter the feeding hopper, meanwhile, the dust also enters the guide cavity and is not easy to escape, the defects that the material fed into the feeding hopper by the existing PVC feeding device is easy to escape and collect, the subsequent treatment is inconvenient and easy to pollute the environment and the machine maintenance cost is increased are effectively solved, and the PVC feeding device is suitable for PVC production, processing and use.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the utility model is not limited by the scope of the appended claims.

Claims (7)

1. A feeding device for reducing dust emission is used for feeding PVC materials; the feeding device capable of reducing dust emission comprises a high-speed mixing tank, a cooling mixing cylinder and a feeding hopper, wherein the high-speed mixing tank is communicated with the cooling mixing cylinder through a conveying pipeline, and is characterized in that a feeding port is arranged at the top of the high-speed mixing tank, a feeder is arranged at the position of the feeding port, a discharging port is arranged at the bottom of the feeding hopper, the discharging port is connected with a spiral feeding rod, a flow guide cavity is arranged at the top of the feeding hopper, the flow guide cavity is connected with the conveying pipeline for cooling the mixing cylinder, a flow guide plate is connected with the flow guide cavity, and the flow guide plate is inclined and arranged for guiding materials in the conveying process.

2. The feeding device for reducing dust emission according to claim 1, wherein a dust removal bag is arranged in each of the high-speed mixing tank, the cooling mixing cylinder and the feeding hopper, the dust removal bag comprises a bag cage and a filter bag, and a fan is arranged at the bottom of the dust removal bag.

3. The feeding device for reducing dust emission as claimed in claim 2, wherein an exhaust pipe is connected to one side of the top of the diversion cavity for exhausting the waste gas in the feeding hopper.

4. The feeding device for reducing dust emission according to claim 1, wherein a handle is arranged at the top of the diversion cavity, so that the diversion cavity can be conveniently opened for cleaning and maintenance.

5. A feeding device capable of reducing dust emission as claimed in claim 1, wherein the height of the top of the feeding hopper is not less than 1.5 m, and the bottom of the feeding hopper is of a V-shaped structure.

6. A feeding device for reducing dust emission as set forth in claim 1, wherein the high-speed mixing tank includes a main rotating shaft, a side rotating shaft and a discharge sealing device.

7. A feeding device capable of reducing dust emission as claimed in claim 1, wherein a plurality of rotary blades are arranged in the cooling mixing cylinder, a plurality of heat dissipation holes are formed in the rotary blades, and a cooling water channel for cooling water to flow through is arranged on the wall of the cooling mixing cylinder, so that the materials are uniformly dissipated heat and prevented from caking during mixing.

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