CN210788461U - Pipeline flushing device - Google Patents

Abstract

The utility model relates to a pipeline washing unit, including tank, flushing line and washing subassembly, it includes connecting pipe, filter and outlet pipe to wash the subassembly, the one end of connecting pipe with the flushing line is connected, the other end of connecting pipe with the filter is connected, the outlet pipe with the filter is connected, the filter adopts the design of interior urceolus, including filtering the inner tube and filtering the urceolus, it is the filter screen to filter the inner tube, the aperture of filter screen is less than 1mm, the diameter of filter screen with connecting pipe diameter ratio does: 3-6:1, wherein the gap between the filtering outer cylinder and the filtering net is half of the diameter of the connecting pipe, and the connecting pipe penetrates through the filtering outer cylinder and is in eccentric tangent connection with the filtering net. The utility model discloses a filter screen aperture is less than 1mm to can filter tiny impurity, through passing the connecting pipe and filtering urceolus and filter screen eccentric tangent connection, avoid rivers direct impact filter screen, cause the damage.

Description

Pipeline flushing device

Technical Field

The utility model belongs to the technical field of the feedwater, concretely relates to pipeline washing unit is particularly useful for having the pipeline of pipe wall attachment or tube bottom deposit to wash.

Background

The pipeline is widely applied to daily life and industrial production processes, brings great convenience to people, and brings a problem of maintenance and management. Most pipelines are made of metal materials, and when the pipelines are used for a long time or are stopped for recovery, the quality of effluent water is often deteriorated due to the influence of pipeline corrosion and pipeline sediments. For newly-built pipelines or simpler pipelines, the method can be completed by adopting common water flushing or brushing flushing equipment. However, after long-time use, under the conditions of complex pipeline buried depth and reducing or branch pipe existence, the conventional pipeline flushing technology is difficult to realize, and the flushing schemes such as chemical agent cleaning, air-water combined flushing and the like often have the adverse effects of pipeline damage, high cost and the like, and restrict the large-scale application of the technology to a certain extent. And the water quality of the pipeline water supply is difficult to improve.

SUMMERY OF THE UTILITY MODEL

The utility model discloses what solve is that the technical problem that the pipeline washed provides a pipeline washing unit, can be used for washing of the comparatively complicated water supply pipe of condition to can effectively protect the pipeline from the damage in the washing process, simultaneously, through washing unit, accelerate the washing speed, reduce and wash water consumption and pipeline washing cost, concrete scheme is as follows:

the utility model provides a pipeline washing unit, includes tank, flushing line and washs the subassembly, the one end of flushing line stretches into in the tank, the other end and the washing subassembly of flushing line are connected, it includes connecting pipe, filter and outlet pipe to wash the subassembly, the one end of connecting pipe with the flushing line is connected, the other end of connecting pipe with the filter is connected, the outlet pipe with the filter is connected, wherein, the filter adopts the design of interior urceolus, including filtering the inner tube and filtering the urceolus, it is the filter screen to filter the inner tube, the aperture of filter screen is less than 1mm, the diameter of filter screen with the connecting pipe diameter ratio does: 3-6:1, and the gap between the filtering outer cylinder and the filtering net is half of the diameter of the connecting pipe.

Preferably, the connecting pipe penetrates through the filtering outer cylinder and is eccentrically and tangentially connected with the filtering net.

In any one of the above schemes, preferably, the water outlet pipe is connected with the filtering outer cylinder.

In any of the above aspects, preferably, a water pump is provided in the flushing pipe.

In any of the above solutions, preferably, the flushing pipe is provided with a pressure sensor and a breather valve in sequence.

In any of the above embodiments, it is preferable that a connection flange is provided between the connection pipe and the flushing pipe.

In any of the above schemes, preferably, the connection pipe is provided with a pressure sensor, a breather valve, a safety valve and a quick-opening valve in sequence.

The utility model has the advantages that:

the utility model discloses simple structure, connection application convenience, use safe and reliable can effectively realize the pipeline and wash and reduce the pipeline and wash the effect of cost, in addition, the utility model discloses a filter screen aperture is less than 1mm to can filter tiny impurity, through passing the connecting pipe and filtering urceolus and filter screen eccentric tangent connection, avoided rivers direct impact filter screen, cause the damage.

Drawings

Fig. 1 is a schematic view of a preferred embodiment of a pipe flushing device according to the present invention;

fig. 2 is a plan view of the filter of the embodiment of fig. 1 of the pipe flushing device according to the present invention.

The figures are labeled as follows: 1-a water storage tank; 2-water pump feeding; 3-flushing the pipeline; 4-a breather valve; 5-a pressure sensor; 6-safety valve; 7-quick opening valve; 8-an automatic control system; 9-a wireless transmission module; 10-a connecting flange; 11-a filter; 12-a connecting tube; 13-water outlet pipe; 14-a filter cartridge; 15-a filter screen.

Detailed Description

In order to further understand the present invention, the present invention will be described in detail with reference to the following embodiments.

As shown in fig. 1 and fig. 2, the utility model provides a pipeline flushing device, which comprises a water storage tank 1, a flushing pipeline 3 and a cleaning component, wherein one end of the flushing pipeline 3 extends into the water storage tank 1, the other end of the flushing pipeline 3 is connected with the cleaning component, the flushing pipeline 3 flushes the interior of the flushing pipeline 3 through the water in the water storage tank 1, a water feeding pump 2 is arranged on the flushing pipeline 3, the water feeding pump 2 can provide power for the internal water flushing, the cleaning component comprises a connecting pipe 12, a filter 11 and a water outlet pipe 13, one end of the connecting pipe 12 is connected with the flushing pipeline 3 through a connecting flange 10, the other end of the connecting pipe 12 is connected with the filter 11, the water outlet pipe 13 is connected with the filter 11, wherein the filter 11 adopts the design of an inner cylinder and an outer cylinder, including a filtering inner cylinder and a filtering outer cylinder 14, the filter inner tube is filter screen 15, filter screen 15's aperture is less than 1mm to filter tiny impurity, filter screen 15's diameter with connecting pipe 12 diameter ratio is: 3-6:1, the gap between the filtering outer cylinder 14 and the filtering screen 15 is half of the diameter of the connecting pipe 12, the connecting pipe 12 penetrates through the filtering outer cylinder 14 and is in eccentric tangent connection with the filtering screen 15, so that the damage caused by direct impact of water flow on the filtering screen is avoided, and the water is discharged from the water outlet pipe 13 through the gap between the filtering screen 15 and the filtering outer cylinder 14 after being filtered.

Set gradually pressure sensor 5 and breather valve 4 on the flushing pipe way 3, it is concrete, pressure sensor 5 follows flushing pipe way 3 initial point, pipeline reducing department lay more than two, breather valve 4 follows flushing pipe way 3 high point lays more than two, avoids behind the quick pressure release of pipeline, and the pipeline destruction is caused to the negative pressure of production, set gradually pressure sensor 5, breather valve 4, relief valve 6 and open valve 7 soon on the connecting pipe 12, relief valve 6 connect in open valve 7 front end pipeline soon is last, is in the normally closed state, can open the pressure release when pipeline pressure is too high, prevents the pipeline damage that the high pressure leads to.

Signals of the water feeding pump 2, the pressure sensor 5, the safety valve 6 and the quick opening valve 7 are directly transmitted to an automatic control system 8 or transmitted through a wireless transmission module 9, the automatic control system 8 can adopt an S7-200 series programmable controller, the automatic control system 8 receives signals of the wireless signal transmission module 9, the local pressure sensor 5, the safety valve 6 and the quick-opening valve 7, and automatically controls the operation of the water feeding pump 2, the safety valve 6 and the quick opening valve 7 according to the change situation of the pipeline pressure, signals of the safety valve 6, the quick opening valve 7 and the pressure sensor 5 near the automatic control system 8 are accessed through signal lines, signals of the remote water feeding pump 2 and the pressure sensor 5 are accessed into the automatic control system 8 through a GPRS wireless transmission module 9, the wireless transmission module 9 is a Zigbee wireless communication module of EWRF 3065 model number manufactured by Shenzhen Yidaxuanzhi limited science and technology.

The utility model has the advantages that:

(1) the utility model discloses can realize that the pipeline steps up when closing the quick-open valve to the whole pipeline pressure variation of real-time supervision condition. After the pressure at any point of the pipeline rises to a set value, the quick-opening valve is opened, the pressure in the pipeline is released instantaneously, and the pipeline flow rate far higher than that in normal operation is generated, so that the stripping of pipeline attachments and the flushing of pipeline deposited substances are realized. And the flushed impurities can be filtered and intercepted, so that the influence on subsequent facilities is avoided.

(2) The breather valve can effectively avoid pipeline damage caused by negative pressure in the flushing process, and can play a role in discharging accumulated air in the pipeline.

(3) The safety valve can open the safety valve to release pressure and close the water pump when the pressure of any pressure sensor in the pipeline exceeds a warning value, and the pipeline is protected.

(4) Through GPRS wireless signal transmission, can realize long-distance pipeline washing. The automatic control system can realize the full-automatic operation of the flushing process, and can control the quick opening and closing control according to the height of the pressure sensor until the pipeline flushing is finished.

(5) The utility model discloses simple structure, connection application convenience, use safe and reliable. The effects of flushing the pipeline and reducing the flushing cost of the pipeline can be effectively realized.

The utility model discloses an application as follows:

(1) the pipeline of a certain flushing pipeline 3 has multiple reducing, the pipe diameter is DN600-DN800, the pipeline is connected with a plurality of branch pipelines communicated with valves, the elevation of the pipeline is laid along with the terrain, the length of the pipeline is about 6Km, the pipeline is stopped for a long time, and after the pipeline is restarted, attachments, rust and sediments continuously flow out of the pipeline to influence the effluent quality;

(2) after the pipeline flushing device is connected in the connection mode, the quick-opening valve 7 is closed, the water feeding pump 2 is started, and the quick-opening valve 7 is opened after any pressure sensor 5 rises to a set pressure (such as 0.3 MPa);

(3) under the action of water pressure of the pipeline, the water flow of the pipeline in a short time can reach more than 3 times of the normal operation flow, namely the flow rate in the pipeline can reach more than 3 times of the normal flow rate, the high-speed water flow plays a good role in stripping attachments of the pipeline and scouring sediments, and the pipeline can be quickly washed under the action of the high-speed water flow;

(4) when the pipeline is flushed to form negative pressure, the breather valve 4 sucks air, prevents the pipeline from being damaged under the action of large negative pressure, and can play a role in discharging accumulated air;

(5) when the pressure of all the pressure sensors 5 is less than the set pressure (such as 0.1MPa), closing the quick-opening valve 7, and circulating in such a way until impurities in the pipeline are washed out;

(6) when abnormal conditions occur and the pressure of any one pressure sensor 5 reaches a warning value (such as 0.5Mpa), the water feeding pump 2 is closed, and the safety valve 6 is opened to release the pressure, so that the overpressure damage of the pipeline is prevented;

(7) after impurities washed out by the pipeline are filtered by the filter 11, water flows through the water outlet pipe 13 and is discharged;

(8) the control process is controlled and completed in real time by the automatic control system 8;

(9) and after the flushing is finished, the flushing device is detached, the operation is recovered, and the filter is cleaned for standby.

Through using the utility model discloses afterwards, can effectively accomplish washing of pipeline to can reduce the consumption of flushing time and water yield, reduce the washing cost. Meanwhile, the good protective design can ensure the use safety of the pipeline.

It will be understood by those skilled in the art that any combination of the above-described embodiments and embodiments of the present invention and the accompanying drawings, which form a part of the present invention, is not limited to the space and the embodiments, and the embodiments are not described in detail for the sake of brevity. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a pipeline washing unit, includes tank, flushing line and washs the subassembly, the one end of flushing line stretches into in the tank, the other end and the washing subassembly of flushing line are connected, it includes connecting pipe, filter and outlet pipe to wash the subassembly, the one end of connecting pipe with the flushing line is connected, the other end of connecting pipe with the filter is connected, the outlet pipe with the filter is connected, its characterized in that, the filter adopts the design of interior urceolus, including filtering the inner tube and filtering the urceolus, it is the filter screen to filter the inner tube, the aperture of filter screen is less than 1mm, the diameter of filter screen with the connecting pipe diameter ratio is: 3-6:1, wherein the gap between the filtering outer cylinder and the filtering net is half of the diameter of the connecting pipe, and the connecting pipe penetrates through the filtering outer cylinder and is in eccentric tangent connection with the filtering net.

2. The pipe flushing device of claim 1, wherein the water outlet pipe is connected to the filter cartridge.

3. The pipeline flushing device of claim 1, wherein a water delivery pump is arranged on the flushing pipeline.

4. The pipeline flushing device of claim 1, wherein the flushing pipeline is provided with a pressure sensor and a breather valve in sequence.

5. The pipe flushing device of claim 1, wherein a connecting flange is provided between the connecting pipe and the flushing pipe.

6. The pipeline flushing device of claim 1, wherein the connecting pipe is provided with a pressure sensor, a breather valve, a safety valve and a quick-opening valve in sequence.

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