CN212387302U

CN212387302U - Dilute phase pneumatic ash conveying system

Info

Publication number: CN212387302U
Application number: CN202020352407.1U
Authority: CN
Inventors: 崔晓; 原晓鸿
Original assignee: QINGDAO HONGRUI POWER ENGINEERING CONSULTING CO LTD
Current assignee: QINGDAO HONGRUI POWER ENGINEERING CONSULTING CO LTD
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2021-01-22
Anticipated expiration: 2030-03-19

Abstract

The utility model discloses a dilute phase pneumatic ash conveying system, which comprises a dust remover ash hopper, an isolation door, an electric feeder, a gasification tank, a diffuser pipe, an air valve, an air path pipeline and an air inlet valve group, wherein the dust remover ash hopper is provided with the isolation door, the electric feeder, an ash storage tank and the gasification tank from top to bottom; the upper portion has the buffer stop who separates the ash effect in the gasification jar, and jet-propelled equipment is connected to middle part one side, and opposite side embedding diffuser pipe, bottom pass through the gas circuit pipe connection for gasification equipment and valve group that admits air, the utility model provides high stability among the pneumatic conveying process effectively restraines frequently to open the stifled grey phenomenon that stops the fluctuation of voltage and lead to, has practiced thrift the required air consumption of transportation process and electric energy.

Description

Dilute phase pneumatic ash conveying system

Technical Field

The utility model belongs to the technical field of the defeated ash of dust removal and specifically relates to a dilute phase strength defeated ash system.

Background

In the field of pneumatic ash conveying, the ash is generally put at a high position and put in an ash hopper of a dust remover, the potential energy at the high position is utilized to be sent into an ash storage tank through a pipeline, and then the ash is gasified by a gasification device and is transmitted by combining with the pneumatic power matched with the gasification device; because ash materials are easy to accumulate at the bottom of the gasification tank when falling into the gasification tank due to the self-structural property of the interior of the gasification tank, the gasification operation is blocked, and the pneumatic power generated by a pneumatic source cannot provide stable compressed air under the influence of power fluctuation; meanwhile, the gasification device has overlarge air consumption and cannot meet the requirements of energy-saving and environment-friendly enterprises.

Disclosure of Invention

The utility model discloses the technical problem that needs to solve provides dilute phase strength ash conveying system, realizes the defeated grey high efficiency of dilute phase strength and carries.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows:

a dilute-phase pneumatic ash conveying system comprises a dust collector ash bucket, an isolation door, an electric feeder, an ash storage tank and a gasification tank which are sequentially arranged from top to bottom, wherein the lowest end of the gasification tank is connected with a gasification device, a nozzle provided with an air injection valve and a diffuser pipe connected with an ash storehouse through a conveying pipeline are oppositely arranged in the gasification tank, the nozzle and the gasification device are both connected with a steam source through a gas pipeline, and a buffer baffle plate with a falling channel is arranged above the nozzle in the gasification tank; the bottom of the gasification tank is arranged in a funnel shape.

The utility model discloses technical scheme's further improvement lies in: the shape of the buffer baffle can adopt a triangle or a rhombus.

The utility model discloses technical scheme's further improvement lies in: the nozzle length is between 20mm and 60 mm.

The utility model discloses technical scheme's further improvement lies in: the gas circuit pipeline comprises a main gas circuit pipeline, two ends of the main gas circuit pipeline are respectively connected with a gas source and a nozzle, the main gas circuit pipeline is sequentially provided with a manual ball valve a and a check valve a along the moving direction of gas, an auxiliary gas circuit pipeline is connected to the main gas circuit pipeline between the manual ball valve a and the check valve a, the other end of the auxiliary gas circuit pipeline is connected with a gasification device, and the auxiliary gas circuit pipeline is sequentially provided with a manual ball valve b and a check valve b along the conveying direction of the gas.

The utility model discloses technical scheme's further improvement lies in: the nozzle is a Venturi nozzle.

Due to the adoption of the technical scheme, the utility model discloses the technological progress who gains is:

the utility model effectively gasifies the materials in dilute phase pneumatic transmission, and the buffer baffle inhibits the ash from accumulating at the bottom of the gasifier, thereby preventing the ash from accumulating too much and preventing the materials from gasifying; the ash storage tank is arranged in front of the gasification tank, so that the blockage of ash can be effectively buffered, and the isolation door is manually made, so that the ash can be conveniently isolated and the gasification tank can be protected when system equipment is maintained; the gasification groove at the bottom of the gasification tank adopts a funnel shape, so that the gasification gas consumption in the working process is saved.

The buffer baffle adopts the shape of triangle, rhombus and other non-totally enclosed shapes, thereby effectively saving the space of the gasification tank on the basis of isolating ash materials.

The air inlet module is composed of a plurality of valves to more conveniently control the ash material gasification process, and the knob adjusts the air injection valve to enable the nozzle to inject compressed air with strength required by gasification.

The length of the nozzle is set between 20mm and 6mm, and the instability of the strength of the compressed air caused by voltage fluctuation can be improved.

Drawings

FIG. 1 is a schematic diagram of a dilute-phase pneumatic ash conveying system;

1. the dust remover comprises a dust remover ash bucket 2, an isolating door 3, an electric feeder 4, an ash storage tank 5, a buffer baffle 6, a diffuser pipe 7, a gasification tank 8, an air injection valve 9, check valves a and 10, manual ball valves a and 11, manual ball valves b and 12, check valves b and 13, a nozzle 14, an auxiliary gas path pipeline 15, a knob 16 and a main gas path pipeline.

Detailed Description

As shown in figure 1, the dilute-phase pneumatic ash conveying system comprises a dust collector ash bucket 1, an isolation door 2, an electric feeder 3, an ash storage tank 4 and a gasification tank 7 which are sequentially arranged from top to bottom, wherein the lowest end of the gasification tank 7 is connected with a gasification device, a nozzle 13 and a diffuser pipe 6 are arranged inside the gasification tank 7, an air injection valve 8 is arranged at the air inlet end of the nozzle 13, the rear end of the diffuser pipe 6 is connected with an ash storehouse through a conveying pipeline, and the nozzle 13 and the diffuser pipe 6 are oppositely arranged. Nozzle 13 and gasification equipment all are connected with the vapour source through the gas circuit pipeline, the gas circuit pipeline includes main gas circuit pipeline 16, main gas circuit pipeline 16 both ends are connected with vapour source and nozzle 13 respectively, main gas circuit pipeline 16 has set gradually manual ball valve a10 and check valve a9 along gaseous direction of motion, be connected with vice gas circuit pipeline 14 on the main gas circuit pipeline 16 between manual ball valve a10 and the check valve a9, vice gas circuit pipeline 14 other end is connected with gasification equipment, vice gas circuit pipeline 14 has set gradually manual ball valve b11 and check valve b12 along gaseous direction of delivery.

A buffer baffle 5 with a falling channel is arranged above a nozzle in the gasification tank 7, and the buffer baffle is in a non-totally-enclosed shape such as a triangle shape, a diamond shape and the like and is used for receiving ash falling from the upper part and preventing a large amount of ash from falling. The bottom of the gasification tank 7 is arranged in a funnel shape, so that the cross section area of the joint of the gasification tank and the gasification device is reduced, and the gasification gas consumption in the working process is saved.

When the device works, ash is thrown in from the ash bucket 1 of the dust remover at a high position, the isolation door 2 at the lower end is controlled by a manual device, so that the ash is isolated when being maintained, and the electric feeder 3 is responsible for adjusting the throwing amount of the material thrown into the ash storage tank 4 and can be adjusted according to specific work requirements; the ash storage tank 4 has the effect of buffering ash after the ash enters, so that the ash is prevented from directly entering the gasification tank 7 to form accumulation and being difficult to clean; the funnel-shaped part at the bottom of the gasification tank 7 is a gasification groove, and ash materials are gasified and converted into gaseous ash at the gasification groove to be mixed with compressed air generated by a pneumatic device and then conveyed through a diffuser pipe 6; the buffer baffle 5 is positioned above the inside of the gasification tank 7 so as to block part of ash materials to prevent the ash materials from being excessively accumulated on the gasification plate at the bottom of the gasification tank 7 to influence the gasification efficiency.

The air valve 8 adjusts the air quantity through the knob 15 to generate compressed air with corresponding pressure intensity, and the compressed air sprayed out by the Venturi nozzle 13 is mixed with gaseous ash and enters the ash storehouse through the diffuser pipe 6; the front end of the air injection valve 8 is connected with a check valve a9 and a manual ball valve a10 through a main air channel pipeline 16; the gasification tank at the bottom of the gasification tank is connected with a check valve b12 and a manual ball valve b11 through an auxiliary gas pipeline 14; the check valve 9 and the check valve 12 respectively prevent ash materials from entering the main gas path pipeline and the auxiliary gas path pipeline, the manual ball valve a10 controls the gas transmission starting and stopping of the main gas path pipeline 16, and the manual ball valve b11 controls the gas transmission starting and stopping of the auxiliary gas path pipeline 14; an air inlet control valve set is formed by an air valve so as to control the working process of the gasification tank for gasifying ash.

Claims

1. The utility model provides a dilute phase strength defeated ash system, include from last dust remover ash bucket (1) that sets gradually extremely down, isolating gate (2), electric feeder (3), ash storage tank (4), vaporizer (7) are connected to the lower extreme, be provided with relatively in vaporizer (7) nozzle (13) of installing jet valve (8) and diffuser pipe (6) of being connected with the ash storehouse through pipeline, nozzle (13) and vaporizer all are connected its characterized in that through gas circuit pipeline and air supply: a buffer baffle (5) with a falling channel is arranged above the nozzle in the gasification tank (7); the bottom of the gasification tank (7) is arranged in a funnel shape.

2. The dilute-phase pneumatic ash conveying system according to claim 1, characterized in that: the shape of the buffer baffle (5) can adopt a triangle or a rhombus.

3. The dilute-phase pneumatic ash conveying system according to claim 1, characterized in that: the length of the nozzle (13) is 20mm to 60 mm.

4. The dilute-phase pneumatic ash conveying system according to claim 1, characterized in that: the gas circuit pipeline comprises a main gas circuit pipeline (16), two ends of the main gas circuit pipeline (16) are respectively connected with a steam source and a nozzle (13), the main gas circuit pipeline (16) is sequentially provided with a manual ball valve a (10) and a check valve a (9) along the movement direction of gas, an auxiliary gas circuit pipeline (14) is connected to the main gas circuit pipeline (16) between the manual ball valve a (10) and the check valve a (9), the other end of the auxiliary gas circuit pipeline (14) is connected with a gasification device, and the auxiliary gas circuit pipeline (14) is sequentially provided with a manual ball valve b (11) and a check valve b (12) along the conveying direction of the gas.

5. The dilute-phase pneumatic ash conveying system according to claim 1, characterized in that: the nozzle is a Venturi nozzle.