CN210251483U

CN210251483U - Ardealite filtering protection device

Info

Publication number: CN210251483U
Application number: CN201920827143.8U
Authority: CN
Inventors: 李胜斌
Original assignee: Guiyang Wudang Xiangqian Zhongtian Decoration Building Materials Co Ltd
Current assignee: Guiyang Wudang Xiangqian Zhongtian Decoration Building Materials Co Ltd
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2020-04-07
Anticipated expiration: 2029-06-03

Abstract

The utility model discloses a phosphogypsum filtering and protecting device, which comprises a delivery pump, a filtering device, a controller, a recovery tank, a flushing water tank and a pressure sensor, wherein both sides of the filtering device are respectively connected with a left delivery pipe and a right delivery pipe; a second three-way valve is arranged at the outlet of the right conveying pipe, and the outlet of the second three-way valve is connected to the recovery tank through a discharge pipe; an inlet and an outlet of the filtering device are respectively provided with an isolation valve A and an isolation valve B, and bypass pipes are arranged in front of the inlet of the isolation valve A and behind the outlet of the isolation valve B and directly communicated with the left conveying pipe and the right conveying pipe; the inlet and the outlet of the bypass pipe are respectively provided with a bypass valve A and a bypass valve B; and a pressure sensor is arranged on the left conveying pipe, and transmits pressure data in the left conveying pipe to the controller. The utility model discloses can carry out pipeline automatic protection and automatic pipeline and wash, shorten the maintenance time limit for a project.

Description

Ardealite filtering protection device

Technical Field

The utility model relates to a protection device, in particular to ardealite filters protection device.

Background

In the production process of the phosphogypsum, the phosphogypsum is in a slurry state for convenience of processing treatment, and a filtering process is inevitable, but in the filtering process, as the phosphogypsum contains a large amount of solid impurities in the production process, a filtering device is inevitable, and cannot be cleaned regularly due to various reasons, or the filtering device is difficult to block in the working process due to long continuous working time and other factors, so that the pressure in a pipe is increased rapidly. However, the common protection means is a pressure relief valve, which directly discharges the phosphogypsum slurry and simultaneously cuts off the delivery pump to continue the delivery. Because the phosphogypsum has high specific gravity, the phosphogypsum can be deposited quickly in a standing state and is condensed at the bottom of a pipe or the pipe wall to cause blockage, and at the moment, the pipes can only be detached one by one to be dredged or cleaned, thereby consuming the construction period and manpower.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a can automatic monitoring protection, the automatic pipeline that washes avoids the pipeline to block up, shortens the maintenance period's ardealite filtration protection device.

The technical scheme of the utility model is that:

a phosphogypsum filtering protection device comprises a conveying pump, a filtering device, a controller, a recovery tank, a flushing water tank and a pressure sensor, wherein two sides of the filtering device are respectively connected with a left conveying pipe and a right conveying pipe; a second three-way valve is arranged at the outlet of the right conveying pipe, and the outlet of the second three-way valve is connected to the recovery tank through a discharge pipe; an inlet and an outlet of the filtering device are respectively provided with an isolation valve A and an isolation valve B, and bypass pipes are arranged in front of the inlet of the isolation valve A and behind the outlet of the isolation valve B and are directly communicated with the left conveying pipe and the right conveying pipe; the inlet and the outlet of the bypass pipe are respectively provided with a bypass valve A and a bypass valve B; and a pressure sensor is arranged on the left conveying pipe and transmits pressure data in the left conveying pipe to the controller.

Further, the controller controls the first three-way valve, the bypass valve A, the bypass valve B, the isolation valve A, the isolation valve B and the second three-way valve in a wired or wireless mode.

Further, the controller adopts a PLC singlechip.

Furthermore, the PLC singlechip selects a model PIC12F 615-I/SN.

Further, the other inlet of the first three-way valve is connected with the front-end equipment, and the other outlet of the second three-way valve is connected with the rear-end equipment.

The utility model discloses an useful part lies in:

(1) the pressure is monitored by the pressure sensor, and the controller performs automatic control without needing a person to stare at the equipment to operate at any time.

(2) Once the blockage occurs, the first three-way valve and the second three-way valve are quickly cut off from being connected with the front-end equipment and the rear-end equipment, and are switched to a flushing line to flush the residual phosphogypsum slurry in the pipeline, so that the residual phosphogypsum slurry in the pipeline is prevented from precipitating, condensing and the like, the pipeline is blocked, and the flushed phosphogypsum slurry can enter a recovery tank to be stored, so that the subsequent concentration and the reutilization are facilitated.

(3) After the jam occurs, isolation valve A and isolation valve B close for can dismantle filter equipment when washing and wash, shorten the maintenance period.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1 a-front end equipment, 1B-rear end equipment, 21-water conveying pipe, 22-left conveying pipe, 23-right conveying pipe, 24-bypass pipe, 25-discharge pipe, 3-conveying pump, 4-filtering device, 5-controller, 6-recovery tank, 7-flushing water tank, 8-pressure sensor, 9 a-first three-way valve, 9B-bypass valve A, 9 c-bypass valve B, 9 d-isolation valve A, 9 e-isolation valve B, 9 f-second three-way valve.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1:

a phosphogypsum filtering protection device comprises a conveying pump 3, a filtering device 4, a controller 5, a recovery tank 6, a flushing tank 7 and a pressure sensor 8, wherein two sides of the filtering device 4 are respectively connected with a left conveying pipe 22 and a right conveying pipe 23, the inlet of the left conveying pipe 22 is connected with the conveying pump 3, a first three-way valve 9a is installed at the inlet of the conveying pump 3, and the flushing tank 7 is connected to the inlet of the first three-way valve 9a through a water conveying pipe 21; a second three-way valve 9f is arranged at the outlet of the right conveying pipe 23, and the outlet of the second three-way valve 9f is connected to the recovery tank 6 through a discharge pipe 25; the inlet and the outlet of the filter device 4 are respectively provided with an isolation valve A9d and an isolation valve B9e, and a bypass pipe 24 is arranged in front of the inlet of the isolation valve A9d and behind the outlet of the isolation valve B9e and is directly communicated with the left conveying pipe 22 and the right conveying pipe 23; the inlet and the outlet of the bypass pipe 24 are respectively provided with a bypass valve A9B and a bypass valve B9 c; the pressure sensor 8 is installed on the left conveying pipe 22, and the pressure sensor 8 transmits pressure data in the left conveying pipe 22 to the controller 5.

Specifically, the controller 5 controls the first three-way valve 9a, the bypass valve A9B, the bypass valve B9c, the isolation valve A9d, the isolation valve B9e, and the second three-way valve 9f by wire or wirelessly.

Specifically, the controller 5 is a PLC single chip.

Specifically, the PLC singlechip is selected from a model PIC12F 615-I/SN.

Specifically, the other inlet of the first three-way valve 9a is connected to the front-end device 1a, the other outlet of the second three-way valve 9f is connected to the back-end device 1b, it should be noted that the front-end device and the back-end device do not refer to a specific device, and it is expressed that the position relationship between the front-end device and the back-end device is expressed, and the device connected in front of the filtering apparatus 4 and the device connected behind the filtering apparatus 4, the front-end device may be a stirring and mixing apparatus, etc., and the back-end device may be a storage device or other processing device.

The working principle is as follows:

the normal working line is as follows: the front-end equipment, the first three-way valve, the delivery pump, the left delivery pipe, the isolation valve A, the filtering device, the isolation valve B, the right delivery pipe, the second three-way valve and the rear-end equipment are in a closed state.

When the filter device 4 is seriously blocked, the pressure in the left conveying pipe is sharply increased, the pressure sensor 8 transmits pressure data in the left conveying pipe 22 to the controller 5, and when pressure abnormity (the pressure is increased to 3-4 times of normal working pressure) is detected, which indicates that the filter device 4 is seriously blocked, the controller switches the communication line to a protection mode by controlling a corresponding valve.

The protection mode circuit is: the method comprises the steps of flushing a water tank, a water conveying pipe, a first three-way valve, a conveying pump, a left conveying pipe, a bypass valve A, a bypass pipe, a bypass valve B, a right conveying pipe, a second three-way valve, a discharge pipe and a recovery tank, wherein an isolation valve A and an isolation valve B are closed at the moment.

Under the protection mode, the connection between the first three-way valve and the front-end equipment is closed, the phosphogypsum slurry is stopped to be continuously sucked, the connection is switched to be connected with the water conveying pipe 21, at the moment, the conveying pump 3 sucks washing water to wash the pipeline, and the isolating valve A and the isolating valve B are closed, so that the filtering device can be conveniently detached for maintenance in the cleaning process; the flushing water and the residual phosphogypsum paddle in the pipe directly flow from the left conveying pipe to the right conveying pipe through the bypass pipe, and then are discharged to the recovery tank 6 through the discharge pipe by the second three-way valve, and the second three-way valve is cut off at the moment to be connected with the rear-end equipment, so that the influence of the flushing water and the residual phosphogypsum paddle in the pipe on the processed finished product is avoided.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. The utility model provides a ardealite filters protection device, includes delivery pump (3), filter equipment (4), controller (5), recovery jar (6), flush tank (7) and pressure sensor (8), left conveyer pipe (22) and right conveyer pipe (23) are connected respectively to filter equipment (4) both sides, its characterized in that: the inlet of the left conveying pipe (22) is connected with the conveying pump (3), a first three-way valve (9a) is installed at the inlet of the conveying pump (3), and the flushing water tank (7) is connected to the inlet of the first three-way valve (9a) through a water conveying pipe (21); a second three-way valve (9f) is arranged at the outlet of the right conveying pipe (23), and the outlet of the second three-way valve (9f) is connected to the recovery tank (6) through a discharge pipe (25); an inlet and an outlet of the filtering device (4) are respectively provided with an isolating valve A (9d) and an isolating valve B (9e), and a bypass pipe (24) is arranged in front of the inlet of the isolating valve A (9d) and behind the outlet of the isolating valve B (9e) and is directly communicated with the left conveying pipe (22) and the right conveying pipe (23); a bypass valve A (9B) and a bypass valve B (9c) are respectively arranged at the inlet and the outlet of the bypass pipe (24); install pressure sensor (8) on left conveyer pipe (22), pressure sensor (8) transmit left conveyer pipe (22) internal pressure data to controller (5).

2. The phosphogypsum filtration and protection device according to claim 1, characterized in that: the controller (5) controls the first three-way valve (9a), the bypass valve A (9B), the bypass valve B (9c), the isolation valve A (9d), the isolation valve B (9e) and the second three-way valve (9f) in a wired or wireless mode.

3. The phosphogypsum filtration and protection device according to claim 1 or 2, characterized in that: the controller (5) adopts a PLC singlechip.

4. The phosphogypsum filtration and protection device according to claim 3, characterized in that: the PLC singlechip is selected from a model PIC12F 615-I/SN.

5. The phosphogypsum filtration and protection device according to claim 1, characterized in that: the other inlet of the first three-way valve (9a) is connected with the front-end equipment (1a), and the other outlet of the second three-way valve (9f) is connected with the back-end equipment (1 b).