CN219489694U

CN219489694U - Anti-blocking system for sludge discharge pipeline

Info

Publication number: CN219489694U
Application number: CN202320238677.3U
Authority: CN
Inventors: 韩晓龙; 周晓东; 张益�
Original assignee: Otog Banner Water Affairs Co ltd
Current assignee: Otog Banner Water Affairs Co ltd
Priority date: 2023-02-10
Filing date: 2023-02-10
Publication date: 2023-08-08
Anticipated expiration: 2033-02-10

Abstract

The utility model discloses an anti-blocking system for a sludge discharge pipeline, which comprises a total sludge discharge pipe, a sludge discharge pump, a sludge discharge pipe and a dredging pipe, wherein the total sludge discharge pipe is respectively connected with feed inlets of a plurality of sludge discharge pumps; two ends of the dredging pipe are respectively connected with a total sludge discharge pipe positioned at the front ends of all sludge discharge pumps and a total sludge discharge pipe positioned at the rear ends of all sludge discharge pumps, and a first backflushing valve and a second backflushing valve are respectively arranged at two ends of the dredging pipe; a pressure sensor is arranged at the discharge port of each sludge pump. The pressure sensor is used for continuously monitoring the pressure of the discharge outlet of the dredge pump, when the measured value of the pressure sensor suddenly drops, the joint of the inlet of the dredge pump and the total dredge pipe is blocked, the first backflushing valve and the second backflushing valve are controlled to be opened, a part of sludge reversely flows through the dredging pipe, and the blocked part can be impacted reversely through the blocked part, so that the dredging effect can be achieved, the normal operation of a dredge system is ensured, and the sludge in the clarifying tank can be normally discharged.

Description

Anti-blocking system for sludge discharge pipeline

Technical field:

the utility model relates to the field of industrial water treatment, in particular to an anti-blocking system for a sludge discharge pipeline.

The background technology is as follows:

before industrial water is used, water resources are required to be treated, sundries, floaters and suspended matters in water are respectively removed, sediment treated by a flocculating agent is required to be discharged and treated through a sludge discharge station, a sludge discharge pipeline in the sludge discharge station is connected with feed inlets of three different sludge discharge pumps, but due to the trend of the pipeline, the sludge discharge pipeline is vertically arranged with the feed inlets of the sludge discharge pumps, and the sludge has certain viscosity, so that the problem that the pipeline is blocked by the sludge often occurs, the sludge discharge pumps idle, the service life of the sludge discharge pumps is influenced, and the phenomenon that the sludge cannot be normally discharged can cause excessive sludge in a water treatment clarification tank, so that the sedimentation height of the clarification tank is insufficient, and the overflowed water quality is influenced.

The utility model comprises the following steps:

the utility model aims to provide an anti-blocking system for a sludge discharge pipeline.

The utility model is implemented by the following technical scheme:

the anti-blocking system for the sludge discharge pipeline comprises a total sludge discharge pipe, a sludge discharge pump, sludge discharge pipes and dredging pipes, wherein the total sludge discharge pipe is connected with sludge discharge ports of a clarification tank, the total sludge discharge pipe is respectively connected with feed inlets of a plurality of sludge discharge pumps, and the sludge discharge ports of each sludge discharge pump are connected with the sludge discharge pipes; the two ends of the dredging pipe are respectively connected with a total sludge discharge pipe positioned at the front ends of all the sludge discharge pumps and a total sludge discharge pipe positioned at the rear ends of all the sludge discharge pumps, and a first backflushing valve and a second backflushing valve are respectively arranged at the two ends of the dredging pipe; and a pressure sensor is arranged at a discharge port of each sludge discharge pump, a signal input end of the pressure sensor is electrically connected with a signal input end of a controller, and a signal output end of the controller is electrically connected with signal input ends of the first backflushing valve and the second backflushing valve.

Preferably, a cleaning water inlet pipe and a cleaning water outlet pipe are respectively connected to the dredging pipe between the first back flushing valve and the second back flushing valve, a cleaning water inlet valve is arranged on the cleaning water inlet pipe, and a cleaning water outlet valve is arranged on the cleaning water outlet pipe.

Preferably, the corner of the dredging pipe is connected by using a 45-degree elbow or two 45-degree elbows which are connected in sequence.

The utility model has the advantages that: the pressure sensor is used for continuously monitoring the pressure of the discharge outlet of the dredge pump, when the measured value of the pressure sensor suddenly drops, the joint of the inlet of the dredge pump and the total dredge pipe is blocked, the first backflushing valve and the second backflushing valve are controlled to be opened, a part of sludge reversely flows through the dredging pipe, and the blocked part can be impacted reversely through the blocked part, so that the dredging effect can be achieved, the normal operation of a dredge system is ensured, and the sludge in the clarifying tank can be normally discharged.

Description of the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a schematic diagram of a control circuit of the present utility model.

In the figure: the device comprises a total sludge discharge pipe 1, a sludge discharge pump 2, a sludge discharge pipe 3, a dredging pipe 4, a first backflushing valve 5, a second backflushing valve 6, a pressure sensor 7, a controller 8, a cleaning water inlet pipe 9, a cleaning water outlet pipe 10, a cleaning water inlet valve 11 and a cleaning water outlet valve 12.

The specific embodiment is as follows:

as shown in fig. 1 and 2, a mud pipe anti-blocking system comprises a total mud pipe 1, mud pumps 2, a mud pipe 3 and a dredging pipe 4, wherein the total mud pipe 1 is connected with mud outlets of a clarification tank, the total mud pipe 1 is respectively connected with feed inlets of a plurality of mud pumps 2, and the discharge outlet of each mud pump 2 is connected with the mud pipe 3; two ends of the dredging pipe 4 are respectively connected with a total sludge discharge pipe 1 positioned at the front ends of all sludge discharge pumps 2 and a total sludge discharge pipe 1 positioned at the rear ends of all sludge discharge pumps 2, and a first backflushing valve 5 and a second backflushing valve 6 are respectively arranged at two ends of the dredging pipe 4; a pressure sensor 7 is arranged at the discharge port of each sludge pump 2, the signal input end of the pressure sensor 7 is electrically connected with the signal input end of a controller 8, and the signal output end of the controller 8 is electrically connected with the signal input ends of a first backflushing valve 5 and a second backflushing valve 6;

the following will describe in detail the use of 3 sludge pumps 2 as an example:

under the action of pressure, the sludge in the clarification tank enters the total sludge discharge pipe 1, is sent into the sludge discharge pipe 3 to be discharged after passing through the sludge discharge pump 2, and the pressure sensor 7 continuously monitors the pressure of a discharge hole of the sludge discharge pump 2 in the whole process; when the measured value of one or more pressure sensors 7 suddenly drops, the situation that the corresponding connection position between the inlet of the sludge pump 2 and the total sludge discharge pipe 1 is blocked can be judged, signals are sent to the controller 8 by the pressure sensors 7, the controller 8 controls the first backflushing valve 5 and the second backflushing valve 6 to be opened, a part of sludge reversely flows through the dredging pipe 4, impacts the blocked position from the reverse direction when passing through the blocked position, the dredging effect can be achieved, and the controller 8 controls the first backflushing valve 5 and the second backflushing valve 6 to resume normal production after the vertical detected by each pressure sensor 7 is at a normal level for a period of time.

A cleaning water inlet pipe 9 and a cleaning water outlet pipe 10 are respectively connected to the dredging pipe 4 between the first recoil valve 5 and the second recoil valve 6, a cleaning water inlet valve 11 is arranged on the cleaning water inlet pipe 9, and a cleaning water outlet valve 12 is arranged on the cleaning water outlet pipe 10; the cleaning water inlet valve 11 and the cleaning water outlet valve 12 are opened periodically to clean the dredging pipe 4 through cleaning water, and sewage is discharged from the cleaning water outlet pipe 10, so that sludge in the dredging pipe 4 is prevented from being blocked due to long-term unused dredging pipe 4.

The corner of the dredging pipe 4 is connected by using a 45-degree elbow or two 45-degree elbows which are sequentially connected, so that sludge blockage caused by overlarge angle at the corner is avoided, and the normal use of a sludge pipeline is ensured.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The anti-blocking system for the sludge discharge pipeline is characterized by comprising a total sludge discharge pipe, sludge discharge pumps, sludge discharge pipes and dredging pipes, wherein the total sludge discharge pipe is connected with sludge discharge ports of a clarification tank, the total sludge discharge pipe is respectively connected with feed inlets of a plurality of sludge discharge pumps, and the sludge discharge ports of each sludge discharge pump are connected with the sludge discharge pipes; the two ends of the dredging pipe are respectively connected with a total sludge discharge pipe positioned at the front ends of all the sludge discharge pumps and a total sludge discharge pipe positioned at the rear ends of all the sludge discharge pumps, and a first backflushing valve and a second backflushing valve are respectively arranged at the two ends of the dredging pipe; and a pressure sensor is arranged at a discharge port of each sludge discharge pump, a signal input end of the pressure sensor is electrically connected with a signal input end of a controller, and a signal output end of the controller is electrically connected with signal input ends of the first backflushing valve and the second backflushing valve.

2. The mud pipe anti-clogging system as set forth in claim 1, wherein a purge inlet pipe and a purge outlet pipe are connected to the purge pipe between the first and second purge valves, respectively, the purge inlet pipe is provided with a purge inlet valve, and the purge outlet pipe is provided with a purge outlet valve.

3. A dredging pipe anti-clogging system as claimed in claim 1 or 2, wherein the dredging pipe is connected at its corner using a 45 ° elbow or two 45 ° elbows connected in sequence.