CN218950503U

CN218950503U - Three-layer steady flow feeder

Info

Publication number: CN218950503U
Application number: CN202223295707.9U
Authority: CN
Inventors: 杨德柱; 杨旭凯; 刘文飞; 魏泰山; 刘猛
Original assignee: Henan Fengbo Automation Co ltd
Current assignee: Henan Fengbo Automation Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-05-02
Anticipated expiration: 2032-12-09

Abstract

The utility model discloses a three-layer steady flow feeder, which comprises a stirring bin and a feeding bin, wherein the stirring bin is internally provided with a stirring rotor, the feeding bin is internally provided with a feeding rotor, the three-layer steady flow feeder also comprises a locking bin, the stirring bin, the locking bin and the feeding bin are sequentially arranged according to a top layer, an intermediate layer and a lower layer, and the locking bin is internally provided with a locking rotor; and the driving mechanism is connected with the stirring rotor, the material locking rotor and the feeding rotor and is used for driving the stirring rotor, the material locking rotor and the feeding rotor to rotate. The three-layer steady-flow feeder is formed by the stirring bin at the top layer, the locking bin at the middle layer and the feeding bin at the lower layer, so that stable feeding, continuous feeding and no flushing can be realized.

Description

Three-layer steady flow feeder

Technical Field

The utility model relates to the technical field of powder feeding equipment, in particular to a three-layer steady flow feeder.

Background

The powder feeding equipment in the current market mainly comprises an impeller feeder, a spiral reamer, a single-layer steady flow, wherein the clearance between the impeller feeder and the spiral reamer equipment is larger, the effective locking area of the single-layer steady flow is smaller, when the pressure in a warehouse is larger, the locking performance is poorer, the phenomenon of flushing is easy to occur, and when homogenization is not carried out in the warehouse, the material mobility is poor, and the phenomenon of breaking is easy to occur. The material feeding equipment can not stably feed in the cement production process, and has larger energy consumption and larger environmental impact on the cement production quality in the production process.

The applicant filed patent CN112867683A discloses a steady flow feeder, which comprises a stirring bin and a feeding bin, and forms a two-layer steady flow feeding structure. The application is further improved on the basis of the three-layer steady flow feeder.

Disclosure of Invention

The utility model aims to provide a three-layer steady flow feeder.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the three-layer steady flow feeder comprises a stirring bin and a feeding bin, wherein a stirring rotor is arranged in the stirring bin, a feeding rotor is arranged in the feeding bin, and the three-layer steady flow feeder further comprises a locking bin, wherein the stirring bin, the locking bin and the feeding bin are sequentially arranged according to a top layer, an intermediate layer and a lower layer, and the locking rotor is arranged in the locking bin;

and the driving mechanism is connected with the stirring rotor, the material locking rotor and the feeding rotor and is used for driving the stirring rotor, the material locking rotor and the feeding rotor to rotate.

Further, a feed inlet is arranged above the stirring bin, and a stirring bin discharge outlet for guiding materials to the locking bin is arranged on the bottom plate of the stirring bin;

the bottom plate of the material locking bin is provided with a material locking bin discharging hole for guiding materials to the material feeding bin;

the bottom plate of the feed bin is provided with a feed opening for outwards guiding materials.

Further, the stirring bin discharge port and the discharging port are arranged on the same vertical line, and the material locking bin discharge port is arranged on the opposite side of the discharging port.

Further, the feeding hole is of a full-circle structure; the stirring bin discharge port and the locking bin discharge port are fan-shaped openings.

Further, a first group of gas fluidization pipelines are arranged on the back surface of the bottom plate in the symmetrical direction of the bottom plate of the stirring bin and the discharge port of the stirring bin, and the first group of gas fluidization pipelines blow gas into the locking bin from top to bottom;

and a second group of gas fluidization pipelines are arranged on the back surface of the bottom plate in the symmetrical direction of the bottom plate of the lock bin and the discharge hole of the lock bin, and the second group of gas fluidization pipelines blow gas into the feed bin from top to bottom.

Further, the gas fluidization pipeline is a counter bore extending radially on the corresponding bottom plate, and downward ventilation holes are distributed on the side wall of the counter bore in a staggered mode.

Further, a decompression cone is arranged in the stirring bin.

Further, rotor blades of the material locking rotor are arranged in a radioactive array, and the periphery of the rotor is closed; the upper surface and the lower surface of the material locking impeller are all single planes.

Further, the upper plane of the feeding rotor is a single plane, and the lower plane is a stepped structure.

Further, the driving mechanism comprises a driving shaft, the driving shaft is a through shaft for connecting the stirring bin, the locking bin and the feeding bin, the stirring rotor, the locking rotor and the feeding rotor are arranged on the driving shaft, and the driving shaft is in transmission connection with the driving motor.

The utility model has the beneficial effects that:

1. according to the utility model, the three-layer steady-flow feeder is formed by the stirring bin on the top layer, the locking bin on the middle layer and the feeding bin on the lower layer, the stirring bin can increase the fluidity of materials, the periphery of the locking bin is sealed, the horizontal locking rotor is arranged in the bin, after materials enter the locking bin through the stirring bin, (because the density difference between the materials and gas is large, the materials automatically sink) are precipitated in the locking rotor to form a steady state, and the materials are driven to rotate together when the rotor rotates and enter the feeding bin. The horizontal feeding rotor increases the material locking area and can effectively prevent the material from being washed, and the micro gap between the rotor, the upper plate, the lower plate and the cylinder wall can lock the material with air and effectively prevent the material from being washed, so that the three-layer steady-flow feeder can realize stable feeding, continuous feeding and no material washing (the main functions of the material locking bin and the material locking rotor are that the air and the solid in the bin are separated through precipitation to form a stable state and enter the feeding bin).

2. The upper surface and the lower surface of the material locking rotor are in a single plane, so that the material locking area is increased, and the gap between the upper plate and the lower plate and the material locking rotor is ensured. The blades of the material locking rotor 8 are arranged in a radioactive array, and the periphery of the rotor is sealed, so that material flowing from a peripheral gap can be avoided.

3. In the utility model, the upper plane of the feeding rotor is a single plane, and the lower plane is of a step structure, so that the tightness of the device is improved.

4. According to the utility model, the stirring bin discharge hole and the locking bin discharge hole are fan-shaped openings, so that the opening angle of the discharge hole is larger, and the emptying of materials can be ensured.

5. According to the utility model, the decompression cone is arranged in the stirring bin, so that the influence of external pressure on the equipment is avoided.

6. The design of the gas fluidization pipeline can prevent materials from being adhered to the lower layer of the rotor. Compressed air gas enters the device from the outside and is blown downwards from the top through the exhaust port, so that materials can be blown downwards from the top, emptying of the materials is ensured, and meanwhile, the materials are prevented from being bonded on the rotor.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

As shown in fig. 1, the embodiment provides a three-layer steady flow feeder, which comprises a stirring bin positioned on the top layer, a locking bin positioned on the middle layer and a feeding bin positioned on the lower layer, wherein the lower side of the feeding bin is connected with a bracket 12.

The stirring bin is internally provided with a stirring rotor 13, the locking bin is internally provided with a material locking rotor 8, and the feeding bin is internally provided with a feeding rotor 4. And a driving mechanism is connected with the stirring rotor 13, the material locking rotor 8 and the feeding rotor 4 and is used for driving the stirring rotor, the material locking rotor and the feeding rotor to rotate. The main functions of the material locking bin and the material locking rotor are to enable gas and solids in the bin to be separated through precipitation, form a stable state and enter the feeding bin.

In this embodiment, the stirring bin comprises upper cylinder 11 and stirring bin bottom plate 17, and upper cylinder 11 top is the feed inlet, and the feed inlet is whole circle design, guarantees the feed amount. Meanwhile, the stirring bin is internally provided with the decompression cone 15, so that the influence of external pressure on the equipment is avoided, and the stirring rotor 13 rotates along with the driving mechanism in the stirring bin.

The stirring bin bottom plate 17 is provided with a stirring bin discharge hole for guiding materials to the locking bin, the stirring bin discharge hole is a fan-shaped opening, the central angle size of the fan-shaped opening is 90 degrees, and the middle part of the stirring bin bottom plate is divided into 2 45-degree openings by a reinforcing rib. Through the design, the opening angle of the stirring bin discharge hole is larger, so that the material can be emptied, and meanwhile, the whole strength is ensured by the reinforcing ribs, so that the strength influence on the bottom plate caused by the opening can be reduced.

In this embodiment, the lock feed bin comprises well barrel 7 and lock feed bin bottom plate 5, and well barrel 7 constitutes airtight space with lock feed bin bottom plate 5 and stirring storehouse bottom plate 17, and lock material rotor 8 occupies whole lock feed bin. The upper surface and the lower surface of the material locking rotor 8 are in a single plane, so that the material locking area is increased, and the gap between the upper plate and the lower plate and the material locking rotor is ensured. The blades of the material locking rotor 8 are arranged in a radioactive array, and the periphery of the rotor is sealed, so that material flowing from a peripheral gap can be avoided.

The lock feed bin bottom plate 5 is equipped with the lock feed bin discharge gate to the feed bin guide material, and lock feed bin discharge gate is fan-shaped opening, fan-shaped open-ended central angle size 90, and the centre is cut apart into 2 45 openings with the strengthening rib. Through the design, the opening angle of the discharge hole of the lock storage bin is larger, so that the material can be ensured to flow out of the lock material rotor, and meanwhile, the whole strength is ensured by the reinforcing ribs, so that the strength influence caused by the opening on the bottom plate can be reduced.

The stirring bin discharge hole and the discharging hole are arranged on the same vertical line, and the discharging hole of the locking bin is arranged on the opposite side of the discharging hole.

In this embodiment, the feed bin comprises barrel 6 and feed bin bottom plate 3 down, and barrel 6 constitutes airtight space with lock feed bin bottom plate 5 and feed bin bottom plate 3 lower plate down, and feeding rotor 4 occupies whole lock feed bin, and feeding rotor 4 upper plane is single plane, and the lower plane is step structure, increases equipment leakproofness.

Simultaneously, on stirring storehouse bottom plate 17 and the symmetrical orientation of stirring storehouse discharge gate, be equipped with first gas fluidization pipeline 14 of group at the bottom plate back, gas fluidization pipeline 14 of first group blows in down to the lock feed bin from last, can avoid the material to bond on the lower floor's rotor.

And the second group of gas fluidization pipelines 18 are arranged on the back surface of the bottom plate in the symmetrical direction of the bottom plate 5 of the material locking bin and the material locking bin discharge hole, and the second group of gas fluidization pipelines 18 blow gas into the material feeding bin from top to bottom, so that the material can be prevented from being bonded on the lower layer rotor.

Specifically, the gas fluidization pipeline is a counter bore extending radially on the corresponding bottom plate, and downward ventilation holes are uniformly distributed on the side wall of the counter bore in a staggered manner.

Through the design of gas fluidization pipeline, compressed air gas gets into inside equipment from outside, blows down from last through the gas vent, can blow down the material from last like this, guarantees the material evacuation, avoids the material bonding on the rotor simultaneously.

In this embodiment, the drive mechanism includes a drive shaft 2, a bearing housing 1, and a drive motor 19.

The driving shaft 2 is a through shaft for connecting the stirring bin, the locking bin and the feeding bin, and the feeding rotor 4, the locking rotor 8 and the stirring rotor 13 are arranged on the driving shaft. The vertical positions of the feeding rotor 4, the locking rotor 8 and the stirring rotor 13 are determined through shaft sleeves, and gaskets are used for adjusting to ensure the clearance between each rotor and the working. The lower part of the feeding rotor 4 is seated on the shaft shoulder.

In order to prevent materials from entering the bearing seat 1 from the feeding bin, the joint of the driving shaft 2 and the feeding bin bottom plate 3 is also provided with an airtight structure. The airtight structure comprises a sealed air chamber which is composed of a feeding bin bottom plate 3, a sealing plate 9 and an air-stop copper ring 10, air enters from an air inlet of the lower bottom plate, the inside of the sealed air chamber is pressurized, the air-stop copper ring 10 is jacked up, the air is discharged from small holes on the side face of the air-stop copper ring, and materials are prevented from entering the bearing seat 1 from the lower cylinder body. When the equipment stops running, the wind-stopping copper ring falls down to automatically seal the sealed air chamber. The wind-stopping copper ring is connected with the sealing plate 9 through the shaft position screw, so that the wind-stopping copper ring is prevented from rotating together with the equipment.

The bearing seat 1 is connected with the feeding bin bottom plate 3 through bolts. The bearing seat is internally provided with an upper tapered roller bearing and a lower tapered roller bearing, and is used for ensuring the overall parallelism and verticality of the equipment after being installed. The three lip seals are arranged above the upper bearing for sealing, the lower shaft shoulder of the driving shaft is connected with the bearing, and the weight of the upper feeding rotor 4, the locking rotor 8 and the stirring rotor 13 is supported, so that the device is a main bearing device of the device. The lower part of the lower bearing is fixed by a round nut and is sealed by a lip type sealing ring. The side surface of the bearing seat 1 is provided with an upper oiling hole and a lower oiling hole.

The driving motor 19 is connected with the bearing seat through a flange plate and is hung and installed; the drive shaft 2 is in driving connection with a drive motor 19.

The working engineering of the utility model is as follows:

the driving shaft 2 is driven by the gear motor 19, the driving shaft 2 is connected with the stirring impeller 13 through a flat key through connection, the feeding wheel 4 and the material locking impeller 8, the driving shaft 2, the stirring rotor 13, the material locking rotor 8 and the feeding rotor 4 are driven by the gear motor 19 to synchronously rotate, materials enter the stirring bin from the uppermost feed inlet of the equipment, enter the material locking bin from the discharge outlet of the stirring bin through the stirring rotor 13, rotate 180 degrees in the middle barrel 7 under the driving of the material locking rotor 8, enter the feeding bin from the discharge outlet of the material locking bin, rotate 180 degrees in the lower barrel 6 under the driving of the feeding rotor 4, and flow out of the equipment from the discharge outlet 16.

According to the utility model, the three-layer steady-flow feeder is formed by the stirring bin on the top layer, the locking bin on the middle layer and the feeding bin on the lower layer, the stirring bin can increase the fluidity of materials, the periphery of the locking bin is sealed, the horizontal locking rotor is arranged in the bin, after materials enter the locking bin through the stirring bin, (because the density difference between the materials and gas is large, the materials automatically sink) are precipitated in the locking rotor to form a steady state, and the materials are driven to rotate together when the rotor rotates and enter the feeding bin. The horizontal feeding rotor increases the material locking area and can effectively prevent the material from being washed, and the micro gap between the rotor, the upper plate, the lower plate and the cylinder wall can lock the material with air and effectively prevent the material from being washed, so that the three-layer steady-flow feeder can realize stable feeding, continuous feeding and no material washing.

The above embodiments are only for illustrating the technical solution of the present utility model, and it should be understood by those skilled in the art that although the present utility model has been described in detail with reference to the above embodiments: modifications and equivalents may be made thereto without departing from the spirit and scope of the utility model, which is intended to be encompassed by the claims.

If the terms "first," "second," etc. are used herein to define a part, those skilled in the art will recognize that: the use of "first" and "second" is for convenience only as well as for simplicity of description, and nothing more than a particular meaning of the terms is intended to be used unless otherwise stated.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Claims

1. The utility model provides a three-layer stationary flow batcher, includes stirring storehouse and feed storehouse, is equipped with stirring rotor in the stirring storehouse, is equipped with feeding rotor in the feed storehouse, its characterized in that: the stirring bin, the locking bin and the feeding bin are sequentially arranged according to the top layer, the middle layer and the lower layer, and a material locking rotor is arranged in the locking bin;

2. The three-layer steady flow feeder of claim 1, wherein: a feed inlet is arranged above the stirring bin, and a stirring bin discharge outlet for guiding materials to the locking bin is arranged on the bottom plate of the stirring bin;

3. The three-layer steady flow feeder of claim 2, wherein: the stirring bin discharge port and the discharging port are arranged on the same vertical line, and the locking bin discharge port is arranged on the opposite side of the discharging port.

4. A three-layer steady flow feeder according to claim 3, characterized in that: the feeding hole is of a full-circle structure; the stirring bin discharge port and the locking bin discharge port are fan-shaped openings.

5. The three-layer steady flow feeder of claim 2, wherein: the bottom plate of the stirring bin and the discharge port of the stirring bin are symmetrically provided with a first group of gas fluidization pipelines on the back surface of the bottom plate, and the first group of gas fluidization pipelines blow gas into the locking bin from top to bottom;

6. The three-layer steady flow feeder of claim 5, wherein: the gas fluidization pipeline is a counter bore extending radially on the corresponding bottom plate, and downward ventilation holes are distributed on the side wall of the counter bore in a staggered mode.

7. The three-layer steady flow feeder of claim 1, wherein: a decompression cone is arranged in the stirring bin.

8. The three-layer steady flow feeder of claim 1, wherein: the rotor blades of the material locking rotor are arranged in a radioactive array, and the periphery of the rotor is sealed; the upper surface and the lower surface of the material locking impeller are all single planes.

9. The three-layer steady flow feeder of claim 1, wherein: the upper plane of the feeding rotor is a single plane, and the lower plane is of a stepped structure.

10. The three-layer steady flow feeder of claim 1, wherein: the driving mechanism comprises a driving shaft, the driving shaft is a through shaft for connecting the stirring bin, the locking bin and the feeding bin, the stirring rotor, the locking rotor and the feeding rotor are arranged on the driving shaft, and the driving shaft is in transmission connection with the driving motor.