CN214701659U

CN214701659U - Air-locking conveying device for powder materials

Info

Publication number: CN214701659U
Application number: CN202120779485.4U
Authority: CN
Inventors: 黄正胜; 方鹏
Original assignee: Hefei Zhuotai Electromechanical Equipment Manufacturing Co ltd
Current assignee: Hefei Zhuotai Electromechanical Equipment Manufacturing Co ltd
Priority date: 2021-04-15
Filing date: 2021-04-15
Publication date: 2021-11-12
Anticipated expiration: 2031-04-15

Abstract

The utility model discloses a powder material lock wind conveyor, the on-line screen storage device comprises a base, fixed mounting has explosion-proof machine, bearing frame, feeding case and inflatable mixing box on the base respectively, explosion-proof machine's output coupling has the shaft coupling, the lateral wall fixed mounting of feeding case has labyrinth to seal the lid to and keep away from one side intercommunication that labyrinth sealed was sealed to have pipeline, inflatable mixing box's bottom intercommunication has out the workbin, feeding case and pipeline's inside level is provided with displacement formula spiral reamer, the utility model relates to a technical field is carried to the material. The utility model discloses, solved at the calcination in-process of cement and pelletizing, metallurgical industry, the Roots fan burns in carrying the kiln with the buggy is remote, can appear the wind problem of returning in the buggy measuring equipment.

Description

Air-locking conveying device for powder materials

Technical Field

The utility model relates to a technical field is carried to the material, especially relates to a powder material lock wind conveyor.

Background

In the calcination process of cement, pellet and metallurgy industries, a Roots blower is generally needed to remotely convey pulverized coal into a kiln for combustion, in order to prevent wind of the Roots blower from returning to pulverized coal metering equipment, a wind locking device needs to be added at the outlet of the pulverized coal metering equipment, most of the conventional plants use Fule pumps, the equipment is expensive, high in maintenance cost and high in failure rate, and in order to solve the problems, a novel powder material wind locking conveying device is developed by summarizing the experiences of hundreds of sets of powder conveying pumps at home and abroad, digesting and absorbing Fule pumps, L-shaped wind locking pumps, screw pumps and the like.

SUMMERY OF THE UTILITY MODEL

In order to solve the calcination in-process at cement and pelletizing, metallurgical industry, the roots fan burns in carrying the kiln with the buggy is remote, can appear wind and return the problem in the buggy measuring equipment, the utility model aims at providing a powder material lock wind conveyor.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a powder material lock wind conveyor, includes the base, fixed mounting has explosion-proof machine, bearing frame, feeding case and inflatable mixing box respectively on the base, explosion-proof machine's output coupling has, the lateral wall fixed mounting of feeding case has the sealed lid of labyrinth to and keep away from one side intercommunication that the sealed lid of labyrinth has pipeline, the bottom intercommunication of inflatable mixing box has a workbin, the inside level of feeding case and pipeline is provided with displacement formula spiral reamer.

Preferably, the front end and the rear end of the bearing seat are provided with two bearings, the inner walls of the two bearings are provided with transmission shafts penetrating through the front end and the rear end of the bearing seat, one end of each transmission shaft is in shaft connection with the coupler, and the other end of each transmission shaft penetrates through the labyrinth seal cover to be in shaft connection with the variable-pitch spiral reamer.

Preferably, the bearing seat is internally injected with complex calcium-based grease.

Preferably, a small gap is left between the variable pitch spiral reamer and the inner wall of the conveying pipeline.

Preferably, the top of the feeding box is connected with a higher-level discharging device through a flange.

Preferably, the inflatable mixing box is communicated with the conveying pipeline, and a variable counterweight check valve is arranged at the joint of the inflatable mixing box and the conveying pipeline.

Compared with the prior art, the utility model discloses the beneficial effect who realizes: when the variable pitch type spiral reamer operates, materials are filled between the blades and are in a high-speed rotating state, the materials are pushed towards the discharge port step by the variable pitch type spiral reamer, the materials form a closed sealing section in the conveying pipeline, and the air in the direction of the discharge port can be prevented from being blown towards the direction of the feed port; the utility model discloses, the powder material lock wind conveyor simple structure that provides, and the input cost is low.

Drawings

The invention is described in further detail below with reference to the following figures and detailed description:

fig. 1 is a schematic view of the overall structure of the present invention.

In the figure: 1-an explosion-proof motor, 2-a coupler, 3-a bearing seat, 4-a labyrinth sealing cover plate, 5-a feeding box, 6-a variable-pitch spiral reamer, 7-a conveying pipeline, 8-an inflatable mixing box, 9-a discharging box and 10-a base.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to fig. 1. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

The utility model provides a technical scheme: the utility model provides a powder material lock wind conveyor, including base 10, there are explosion proof machine 1, bearing frame 3, feeding case 5 and inflatable mixing box 8 on the base 10 respectively fixed mounting, explosion proof machine 1's output coupling has shaft coupling 2, the lateral wall fixed mounting of feeding case 5 has the sealed lid of labyrinth 4 to and keep away from one side intercommunication that the sealed lid of labyrinth 4 has pipeline 7, the bottom intercommunication of inflatable mixing box 8 has ejection of compact case 9, the inside level of feeding case 5 and pipeline 7 is provided with displacement formula spiral reamer 6.

The front end and the rear end of the bearing seat 3 are provided with two bearings, the inner walls of the two bearings are provided with transmission shafts penetrating through the front end and the rear end of the bearing seat 3, one ends of the transmission shafts are in shaft connection with the shaft coupling 2, the other ends of the transmission shafts penetrate through the labyrinth seal cover 4 and are in shaft connection with the variable-pitch spiral reamer 6, the explosion-proof motor 1 transmits to the transmission shaft inside the bearing seat 3 through the shaft coupling 2, and the labyrinth seal cover plate 4 can effectively prevent powder materials in the feeding box from leaking out.

The bearing seat 3 is internally injected with composite calcium-based lubricating grease for cooling the bearing, so that the temperature of the bearing is not changed greatly when the bearing operates for a long time, the service life is prolonged, and the stable operation of equipment is ensured.

A small gap is reserved between the variable-pitch spiral reamer 6 and the inner wall of the conveying pipeline 7, when the variable-pitch spiral reamer 6 runs, materials are filled between the blades and are in a high-speed rotating state, the materials are pushed towards the discharge port by the variable-pitch spiral reamer 6 step by step, the materials form a sealed section in the conveying pipeline, and air in the discharge port can be prevented from blowing towards the feed port.

The top of the feeding box 5 is connected with a higher-level discharging device through a flange.

Inflatable mixing box 8 and pipeline 7 intercommunication, and be equipped with variable counter weight formula check valve with pipeline 7 junction, the accessible changes the counter weight, increases or reduces the pressure of check valve to the material to reach sealed effect.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a powder material airlock conveyor, includes base (10), its characterized in that: the anti-explosion motor feeding device is characterized in that an anti-explosion motor (1), a bearing seat (3), a feeding box (5) and an inflatable mixing box (8) are fixedly mounted on a base (10) respectively, the output end of the anti-explosion motor (1) is connected with a shaft coupling (2), a labyrinth sealing cover (4) is fixedly mounted on the side wall of the feeding box (5), a conveying pipeline (7) is communicated with one side of the feeding box far away from the labyrinth sealing cover (4), a discharging box (9) is communicated with the bottom of the inflatable mixing box (8), and a variable-pitch spiral reamer (6) is arranged on the inner level of the feeding box (5) and the conveying pipeline (7).

2. The powder material air-lock conveying device according to claim 1, characterized in that: the front end and the rear end of the bearing seat (3) are provided with two bearings, the inner walls of the two bearings are provided with transmission shafts penetrating through the front end and the rear end of the bearing seat (3), one end of each transmission shaft is in shaft connection with the shaft coupling (2), and the other end of each transmission shaft penetrates through the labyrinth seal cover (4) to be in shaft connection with the variable-pitch spiral reamer (6).

3. The powder material air-lock conveying device according to claim 1, characterized in that: and composite calcium-based lubricating grease is injected into the bearing seat (3).

4. The powder material air-lock conveying device according to claim 1, characterized in that: and a small gap is reserved between the variable-pitch spiral reamer (6) and the inner wall of the conveying pipeline (7).

5. The powder material air-lock conveying device according to claim 1, characterized in that: the top of the feeding box (5) is connected with a higher-level discharging device through a flange.

6. The powder material air-lock conveying device according to claim 1, characterized in that: the inflatable mixing box (8) is communicated with the conveying pipeline (7), and a variable counterweight check valve is arranged at the joint of the inflatable mixing box and the conveying pipeline (7).