阅读说明：本技术 一种管道过滤水处理反流式自清洁系统 (Pipeline filtration water treatment reverse-flow type self-cleaning system ) 是由 倪琳 于 2020-06-07 设计创作，主要内容包括：本发明公开了一种管道过滤水处理反流式自清洁系统,包括依次连接的进水管、第一电磁三通阀、第一连接管、第二电磁三通阀、过滤管、三通接头、第二连接管、直通电磁阀和出水管,所述第一电磁三通阀上安装有第三连接管。本发明通过控制盒检测第一压力变送器和第二压力变送器的压力差值实现系统的实时监测功能,通过控制盒控制第一电磁三通阀、第二电磁三通阀、直通电磁阀和电磁四通阀的开闭实现系统的自清洁功能,避免过滤管堵塞造成过滤性差以及影响水处理速度。(The invention discloses a reverse-flow type self-cleaning system for pipeline filtered water treatment, which comprises a water inlet pipe, a first electromagnetic three-way valve, a first connecting pipe, a second electromagnetic three-way valve, a filtering pipe, a three-way joint, a second connecting pipe, a straight-through electromagnetic valve and a water outlet pipe which are sequentially connected, wherein a third connecting pipe is arranged on the first electromagnetic three-way valve. The invention realizes the real-time monitoring function of the system by detecting the pressure difference value of the first pressure transmitter and the second pressure transmitter through the control box, realizes the self-cleaning function of the system by controlling the opening and closing of the first electromagnetic three-way valve, the second electromagnetic three-way valve, the straight-through electromagnetic valve and the electromagnetic four-way valve through the control box, and avoids the poor filterability and the influence on the water treatment speed caused by the blockage of the filter pipe.)

1. A reverse-flow self-cleaning system for pipeline filtration water treatment comprises a water inlet pipe (11), a first electromagnetic three-way valve (1), a first connecting pipe (12), a second electromagnetic three-way valve (2), a filter pipe (3), a three-way joint (33), a second connecting pipe (41), a direct-connection electromagnetic valve (4) and a water outlet pipe (42) which are sequentially connected, and is characterized in that a third connecting pipe (13) is installed on the first electromagnetic three-way valve (1), a first bent pipe (14) is installed on the third connecting pipe (13), a fourth connecting pipe (15) is installed on the first bent pipe (14), a fifth connecting pipe (21) is installed on the second electromagnetic three-way valve (2), a sixth connecting pipe (34) is installed on the three-way joint (33), a second bent pipe (35) is installed on the sixth connecting pipe (34), and a seventh connecting pipe (36) is installed on the second bent pipe (35), the electromagnetic four-way valve (5) is installed on the fourth connecting pipe (15), the fifth connecting pipe and the seventh connecting pipe (36) together, a sewage discharge pipe (51) is installed on the electromagnetic four-way valve (5), the control box (6) is installed on the electromagnetic four-way valve (5), and a main wire pipe (61) is installed on the side wall of the control box (6);

first pressure transmitter (31) and second pressure transmitter (32) are installed respectively to the both ends of filter tube (3), install signal spool (311) on first pressure transmitter (31) and second pressure transmitter (32) jointly, signal spool (311) are connected with thread pipe (61), install first control spool (16), second control spool (22) and third control spool (43) on first electromagnetic three-way valve (1), second electromagnetic three-way valve (2) and direct solenoid valve (4) respectively.

2. The reverse-flow type self-cleaning system for pipeline filtered water treatment according to claim 1, wherein the first electromagnetic three-way valve (1), the second electromagnetic three-way valve (2) and the through electromagnetic valve (4) are all electrically connected with the control box (6), and the first pressure transmitter (31) and the second pressure transmitter (32) are all electrically connected with the control box (6).

Technical Field

The invention relates to the field of water treatment, in particular to a reverse-flow type self-cleaning system for pipeline filtered water treatment.

Background

Water needs to be treated before use, and filtration is a common method of treating water to increase the water standard by filtering out impurities in the water.

The existing filtration type water treatment mode usually adopts a plurality of layers of filter screens to filter raw water, in the process of filtration, one side of each filter screen can be blocked by blocked impurities to block filter holes, so that the trafficability of water is reduced, the speed of water treatment is influenced, and the accumulation of a large amount of impurities causes poor filterability of the filter screens, and even the filter screens are damaged.

Disclosure of Invention

The invention aims to solve the defects that in the prior art, the filter holes are blocked by impurities to influence the water treatment speed and the filterability of a filter screen, and provides a reverse flow type self-cleaning system for pipeline filtered water treatment.

In order to achieve the purpose, the invention adopts the following technical scheme:

a reverse-flow self-cleaning system for pipeline filtration water treatment comprises a water inlet pipe, a first electromagnetic three-way valve, a first connecting pipe, a second electromagnetic three-way valve, a filter pipe, a three-way joint, a second connecting pipe, a direct electromagnetic valve and a water outlet pipe which are connected in sequence, wherein the first electromagnetic three-way valve is provided with a third connecting pipe, the third connecting pipe is provided with a first bent pipe, the first bent pipe is provided with a fourth connecting pipe, the second electromagnetic three-way valve is provided with a fifth connecting pipe, the three-way joint is provided with a sixth connecting pipe, the sixth connecting pipe is provided with a second bent pipe, the second bent pipe is provided with a seventh connecting pipe, the fourth connecting pipe, the fifth connecting pipe and the seventh connecting pipe are provided with an electromagnetic four-way valve, the electromagnetic four-way valve is provided with a sewage discharge pipe, and the electromagnetic four, a main line pipe is arranged on the side wall of the control box;

first pressure transmitter and second pressure transmitter are installed respectively to the both ends of filter tube, install the signal spool on first pressure transmitter and the second pressure transmitter jointly, the signal spool is connected with the thread pipe, install first control spool, second control spool and third control spool on first electromagnetism three-way valve, second electromagnetism three-way valve and the direct solenoid valve respectively.

Preferably, the first electromagnetic three-way valve, the second electromagnetic three-way valve and the straight-through electromagnetic valve are all electrically connected with the control box, and the first pressure transmitter and the second pressure transmitter are all electrically connected with the control box.

The invention has the following beneficial effects:

1. the pressure conditions of the two sides of the filter pipe are detected through the first pressure transmitter and the second pressure transmitter, when the difference value between the first pressure transmitter and the second pressure transmitter is smaller than the set threshold value in the control box, the filter pipe is not seriously blocked and can be continuously used, and when the difference value between the first pressure transmitter and the second pressure transmitter is larger than the threshold value, the blockage of the filter pipe is serious, and the blockage state of the filter pipe is monitored in real time.

2. The control box controls the opening and closing of the first electromagnetic three-way valve, the second electromagnetic three-way valve, the straight-through electromagnetic valve and the electromagnetic four-way valve to realize flexible switching of three states of normal conveying, reverse flow cleaning and forward sewage disposal, so that the system can realize the self-cleaning function, and the problems of poor filterability and low water treatment speed caused by blockage of a filter pipe are avoided.

In summary, the control box detects the pressure difference value between the first pressure transmitter and the second pressure transmitter to realize the real-time monitoring function of the system, and the control box controls the opening and closing of the first electromagnetic three-way valve, the second electromagnetic three-way valve, the straight-through electromagnetic valve and the electromagnetic four-way valve to realize the self-cleaning function of the system, so that the problems of poor filterability caused by blockage of the filter pipe and influence on the water treatment speed are avoided.

Drawings

Fig. 1 is a schematic structural view of a reverse flow type self-cleaning system for pipeline filtered water treatment according to the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a schematic diagram of a reverse flow cleaning process of a reverse flow type self-cleaning system for pipeline filtered water treatment according to the present invention;

fig. 4 is a schematic diagram of a forward direction cleaning process of a reverse flow type self-cleaning system for pipeline filtered water treatment according to the present invention.

In the figure: 1 first electromagnetism three-way valve, 11 inlet tubes, 12 first connecting pipes, 13 third connecting pipes, 14 first bend pipe, 15 fourth connecting pipes, 16 first control spool, 2 second electromagnetism three-way valve, 21 fifth connecting pipes, 22 second control spool, 3 filter tube, 31 first pressure transmitter, 311 signal spool, 32 second pressure transmitter, 33 three way connection, 34 sixth connecting pipe, 35 second bend pipe, 36 seventh connecting pipe, 4 straight-through solenoid valve, 41 second connecting pipe, 42 outlet pipe, 43 third control spool, 5 electromagnetism four-way valve, 51 blow off pipe, 6 control box, 61 main spool.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, a reverse flow type self-cleaning system for pipeline filtered water treatment comprises a water inlet pipe 11, a first electromagnetic three-way valve 1, a first connecting pipe 12, a second electromagnetic three-way valve 2, a filter pipe 3, a three-way joint 33, a second connecting pipe 41, a straight-through electromagnetic valve 4 and a water outlet pipe 42 which are connected in sequence, wherein the first electromagnetic three-way valve 1 is provided with a third connecting pipe 13, the third connecting pipe 13 is provided with a first bent pipe 14, the first bent pipe 14 is provided with a fourth connecting pipe 15, the second electromagnetic three-way valve 2 is provided with a fifth connecting pipe 21, the three-way joint 33 is provided with a sixth connecting pipe 34, the sixth connecting pipe 34 is provided with a second bent pipe 35, the second bent pipe 35 is provided with a seventh connecting pipe 36, the fourth connecting pipe 15, the fifth connecting pipe and the seventh connecting pipe 36 are jointly provided with an electromagnetic four-way, a control box 6 is arranged on the electromagnetic four-way valve 5, and a main line pipe 61 is arranged on the side wall of the control box 6;

a first pressure transmitter 31 and a second pressure transmitter 32 are respectively installed at two ends of the filter pipe 3, a signal line pipe 311 is installed on the first pressure transmitter 31 and the second pressure transmitter 32 together, the signal line pipe 311 is connected with the main line pipe 61, and a first control line pipe 16, a second control line pipe 22 and a third control line pipe 43 are respectively installed on the first electromagnetic three-way valve 1, the second electromagnetic three-way valve 2 and the straight-through electromagnetic valve 4;

first pressure transmitter 31 and second pressure transmitter 32 detect the pressure value at filter tube 3 both ends respectively, and the pressure difference between first pressure transmitter 31 and second pressure transmitter 32 is less than the threshold value that sets up in the control box 6, then the jam condition is lighter, need not to start self-cleaning function, and the pressure difference between first pressure transmitter 31 and second pressure transmitter 32 is greater than the threshold value that sets up in the control box 6, then the jam condition is more serious, starts self-cleaning function and cleans filter tube 3.

The first electromagnetic three-way valve 1, the second electromagnetic three-way valve 2 and the straight-through electromagnetic valve 4 are all electrically connected with the control box 6, and the first pressure transmitter 31 and the second pressure transmitter 32 are all electrically connected with the control box 6;

the water inlet pipe 11 is communicated with the first connecting pipe 12 through the first electromagnetic three-way valve 1, the first electromagnetic three-way valve 1 and the third connecting pipe 13 are closed, the first connecting pipe 12 is communicated with the filter pipe 3 through the second electromagnetic three-way valve 2, the second electromagnetic three-way valve 2 and the fifth connecting pipe 21 are closed, the electromagnetic four-way valves 5 are all closed, the second connecting pipe 41 is communicated with the water outlet pipe 42 through the straight-through electromagnetic valve 4, a normal conveying state pipeline is formed, and water flow can be normally filtered and conveyed through the filter pipe 3;

the water inlet pipe 11 is communicated with the third connecting pipe 13 through the first electromagnetic three-way valve 1, the first electromagnetic three-way valve 1 and the first connecting pipe 12 are closed, the fourth connecting pipe 15 is communicated with the seventh connecting pipe 36 through the electromagnetic four-way valve 5, the second connecting pipe 41 and the straight-through electromagnetic valve 4 are closed, the first connecting pipe 12 and the second electromagnetic three-way valve 2 are closed, the filter pipe 3 is communicated with the fifth connecting pipe 21 through the second electromagnetic three-way valve 2, the fifth connecting pipe 21 is communicated with the sewage discharge pipe 51 through the electromagnetic four-way valve 5 to form a reverse flow cleaning state pipeline, so that water flow reversely passes through the filter pipe 3 to flush impurities blocked at one side in the filter pipe 3, and the system can;

the inlet tube 11 is through first electromagnetism three-way valve 1 and first connecting pipe 12 intercommunication, first electromagnetism three-way valve 1 and third connecting pipe 13 are closed, first connecting pipe 12 is through second electromagnetism three-way valve 2 and filter tube 3 intercommunication, second electromagnetism three-way valve 2 and fifth connecting pipe 21 are closed, second connecting pipe 41 and direct solenoid valve 4 are closed, seventh connecting pipe 36 passes through electromagnetism four-way valve 5 and blow off pipe 51 intercommunication, form forward state pipeline of decontaminating, make rivers forward through filter tube 3 with reverse jam that reverse washing rivers caused wash clean, further increase the automatically cleaning ability of system.

In use, when the pressure difference between the first pressure transmitter 31 and the second pressure transmitter 32 is smaller than the threshold value set in the control box 6, the control box 6 switches the pipeline in the normal conveying state: the water inlet pipe 11 is communicated with the first connecting pipe 12 through the first electromagnetic three-way valve 1, the first electromagnetic three-way valve 1 and the third connecting pipe 13 are closed, the first connecting pipe 12 is communicated with the filter pipe 3 through the second electromagnetic three-way valve 2, the second electromagnetic three-way valve 2 and the fifth connecting pipe 21 are closed, the electromagnetic four-way valve 5 is completely closed, the second connecting pipe 41 is communicated with the water outlet pipe 42 through the straight-through electromagnetic valve 4, water flows through the water inlet pipe 11, the first electromagnetic three-way valve 1, the first connecting pipe 12, the second electromagnetic three-way valve 2, the filter pipe 3, the three-way joint 33, the second connecting pipe 41, the straight-through electromagnetic valve 4 and the water outlet pipe 42;

when the pressure difference between the first pressure transmitter 31 and the second pressure transmitter 32 is greater than the threshold value set in the control box 6, the control box 6 switches the reverse flow cleaning status line: the water inlet pipe 11 is communicated with the third connecting pipe 13 through the first electromagnetic three-way valve 1, the first electromagnetic three-way valve 1 and the first connecting pipe 12 are closed, the fourth connecting pipe 15 is communicated with the seventh connecting pipe 36 through the electromagnetic four-way valve 5, the second connecting pipe 41 and the straight-through electromagnetic valve 4 are closed, the first connecting pipe 12 and the second electromagnetic three-way valve 2 are closed, the filter pipe 3 is communicated with the fifth connecting pipe 21 through the second electromagnetic three-way valve 2, the fifth connecting pipe 21 is communicated with the sewage discharge pipe 51 through the electromagnetic four-way valve 5, the water flow sequentially flows through the water inlet pipe 11, the third connecting pipe 13, the first bend pipe 14, the fourth connecting pipe 15, the electromagnetic four-way valve 5, the seventh connecting pipe 36, the second bend pipe 35, the sixth connecting pipe 34, the three-way joint 33, the filter pipe 3, the second electromagnetic three-way valve 2, the fifth connecting pipe 21, the electromagnetic four-way valve 5 and the sewage, flushing the blocked impurities and discharging the impurities along with the sewage pipe 51;

then the control box 6 switches the positive decontamination state pipeline: the water inlet pipe 11 is communicated with the first connecting pipe 12 through the first electromagnetic three-way valve 1, the first electromagnetic three-way valve 1 and the third connecting pipe 13 are closed, the first connecting pipe 12 is communicated with the filtering pipe 3 through the second electromagnetic three-way valve 2, the second electromagnetic three-way valve 2 and the fifth connecting pipe 21 are closed, the second connecting pipe 41 and the straight-through electromagnetic valve 4 are closed, the seventh connecting pipe 36 is communicated with the sewage discharge pipe 51 through the electromagnetic four-way valve 5, water flows sequentially through the water inlet pipe 11, the first electromagnetic three-way valve 1, the first connecting pipe 12, the second electromagnetic three-way valve 2, the filtering pipe 3, the three-way joint 33, the sixth connecting pipe 34, the second elbow pipe 35, the seventh connecting pipe 36, the electromagnetic four-way valve 5 and the sewage discharge pipe 51, and the water flows forward to clean reversely blocked impurities at the filtering pipe 3 in a reverse direction and discharge through the sewage discharge.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.