CN-224220940-U - Engineering waterway filter device and circulating cleaning pipeline

CN224220940UCN 224220940 UCN224220940 UCN 224220940UCN-224220940-U

Abstract

The utility model discloses an engineering waterway filter device and a circulating cleaning pipeline, wherein the filter device adopts a four-way shell and a baffle plate to separate a cavity, the filter element is arranged in the detachable sleeve, the water outlet end is connected through the bent pipe, the shell is provided with a differential pressure sensor joint to monitor the blocking degree of the filter element, and the bottom water drain valve supports back flushing. The system is characterized in that an electric switch valve bank, a standby filter and a PLC control system are integrated in a circulating cleaning pipeline, when a pressure difference sensor detects a blocking threshold value, the PLC drives a valve to switch a waterway, the standby filter is used for supplying water and carrying out back flushing on a main filter element, flushing water is discharged through a water discharge valve, and the system is further used for realizing remote monitoring and parameter setting with an HMI human-machine interface through a 4G communication module. The problems of difficult cleaning and maintenance of the filter, water cut-off operation and the like in a large-scale engineering waterway are solved, the automatic detection of filter element blockage, back flushing without water cut-off and intelligent operation and maintenance are realized, and the continuity and operation and maintenance efficiency of the system are improved.

Inventors

LIU DAOBIN
ZHANG HANJUN
WANG ZHONGKAI
YANG MING
SHEN JINGJUN
WEI ZHIYING
ZHU LIEMIN

Assignees

安徽两淮建设有限责任公司
安徽建工建设安装集团有限公司

Dates

Publication Date: 20260512
Application Date: 20250710

Claims (9)

1. The engineering waterway filter device is characterized by comprising a filter shell, a baffle plate and a filter element, wherein the filter shell is of a four-way structure, a baffle plate is arranged in the filter shell to divide an internal cavity of the filter shell into a second cavity and a first cavity, the first cavity is connected with a water inlet end and a filter element end and a water drain valve end, the filter element end is connected with the second cavity through a bent pipe, a filter element mounting seat is arranged at the upper end of the first cavity, a filter element is mounted above the filter element mounting seat and in a sleeve with a detachable and sealed top, a circular-ring cylindrical cavity is formed between the filter element and the sleeve, one side of the circular-ring cylindrical cavity is communicated with the bent pipe, and the bent pipe is communicated with the second cavity.
2. The engineered waterway filter device of claim 1, wherein the filter element is one or any combination of a hollow cylindrical ceramic filter element, a hollow cylindrical composite cotton filter element, a hollow cylindrical stainless steel mesh filter element.
3. The engineered waterway filter assembly of claim 1, wherein the elbow is mounted at an upper lateral location of the sleeve, the elbow being spaced from a cavity in the bottom of the sleeve for water sedimentation.
4. The engineering waterway filter device according to claim 1, wherein a first differential pressure sensor connector and a second differential pressure sensor connector are arranged on the filter shell, the first differential pressure sensor connector is communicated with the first cavity, the second differential pressure sensor connector is communicated with the second cavity, and differential pressure sensors are arranged on the first differential pressure sensor connector and the second differential pressure sensor connector.
5. The engineered waterway filter assembly of claim 1, wherein the filter housing bottom is provided with a drain valve attachment flange.
6. A circulating cleaning pipeline is characterized by comprising a water drain valve, a filter, a differential pressure sensor and a circulating pipeline switch valve bank, wherein the filter, the differential pressure sensor and the circulating pipeline switch valve bank are all described in any one of claims 1-5, a first switch valve is arranged at a water inlet end and is connected with one end of the filter, the water drain valve is arranged at the bottom of the filter, the other end of the filter is provided with a bent pipe end and is connected with a third switch valve, the third switch valve is connected with a fourth switch valve through a tee joint, a second switch valve is connected in parallel with the front end of the first switch valve through the tee joint, the front end of the second switch valve is connected with a standby filter, and the standby filter is connected with the third switch valve and the fourth switch valve through the tee joint between a water pipe and the third switch valve.
7. The circulating cleaning pipeline according to claim 6, wherein the first switch valve, the second switch valve, the third switch valve and the fourth switch valve adopt electric ball valves with the model number of D641X-16Q and comprise electric actuators and spheroidal graphite cast iron valve bodies, and the water draining valve adopts electric butterfly valves with the model number of D941X-16C and is composed of an electric device and a carbon steel valve body.
8. The circulating cleaning pipeline according to claim 7 is characterized by further comprising a PLC controller, a communication module and a touch screen type HMI human-computer interface, wherein the PLC controller adopts Siemens S7-1200 series PLC and comprises a CPU module, a digital input/output module, an analog input module, an Ethernet interface and an RS485 interface, the communication module adopts an Internet of things USR-G780 series 4GDTU communication module, a 4G communication antenna is integrated, a TCP/IP protocol is supported, the communication module is connected with the PLC controller through the RS485 interface, the touch screen type HMI human-computer interface is provided with a liquid crystal display screen and a touch operation panel, and the touch screen type HMI human-computer interface is communicated with the PLC controller through the Ethernet interface.
9. The cycle wash line of claim 8, wherein the differential pressure sensor continuously monitors a differential pressure between the first cavity and the second cavity of the filter and transmits an analog signal to an analog input module of the PLC controller.

Description

Engineering waterway filter device and circulating cleaning pipeline Technical Field The utility model relates to the field of water purification, in particular to an engineering waterway filter device and a circulating cleaning pipeline. Background In a large-scale engineering waterway system, a filter is used as key equipment for purifying water quality, and sediment, rust, particle impurities and the like in water flow are required to be effectively filtered so as to protect subsequent pipelines and water using equipment. The traditional filter generally adopts a fixed filter element structure, realizes water purification in an interception mode, and is positioned at a water inlet end at a mounting position, so that cleaning and maintenance are required regularly. The traditional filter mainly adopts a manual disassembly filter element or a simple back flushing mode to remove impurities, but for a large-scale Cheng Shuilu, the manual cleaning cost is high, the time is long after the filter element is blocked, the refractory impurities in a fine gap are difficult to remove, the filtering efficiency is continuously attenuated, the cleaning and maintenance efficiency is low, the manual intervention is relied on, the existing system lacks a mechanism for monitoring the blocking degree of the filter element in real time, the blocking can be discovered usually through obviously reducing the flow or manually inspecting, the early warning can not be realized, the waterway or the water stopping operation is required to be manually switched in the cleaning process, the continuous operation of an engineering system is influenced, and the dynamic blocking detection and the automatic cleaning can not be realized. Disclosure of utility model The utility model aims to solve the defects in the prior art, and provides an engineering waterway filter device and a circulating cleaning pipeline. The technical scheme includes that the engineering waterway filter device comprises a filter shell, a baffle plate and a filter element, wherein the filter shell is of a four-way structure, the interior of the filter shell is provided with the baffle plate to divide an internal cavity of the filter shell into a second cavity and a first cavity, the first cavity is connected with a water inlet end and is connected with a filter element end and a drain valve end, the filter element end is connected with the second cavity through a bent pipe, a filter element mounting seat is arranged at the upper end of the first cavity, a filter element is mounted above the filter element mounting seat and is mounted in a sleeve with a detachable top and sealed, a circular cylindrical cavity is formed between the filter element and the sleeve, one side of the circular cylindrical cavity is communicated with the bent pipe, and the bent pipe is communicated with the second cavity. Preferably, the filter element is one or any combination of a hollow cylindrical ceramic filter element, a hollow cylindrical composite cotton filter element and a hollow cylindrical stainless steel mesh filter element. Preferably, the bent pipe is arranged at the upper side of the sleeve, and the bent pipe is used for water quality sedimentation from a cavity at the bottom of the sleeve. Preferably, a first differential pressure sensor connector and a second differential pressure sensor connector are arranged on the filter shell, the first differential pressure sensor connector is communicated with the first cavity, the second differential pressure sensor connector is communicated with the second cavity, and differential pressure sensors are arranged on the first differential pressure sensor connector and the second differential pressure sensor connector. Preferably, a connecting flange of a water drain valve is arranged at the bottom of the filter shell. The utility model also discloses a circulating cleaning pipeline which comprises a water drain valve, the filter, the differential pressure sensor and the circulating pipeline switch valve bank, wherein the filter, the differential pressure sensor and the circulating pipeline switch valve bank are arbitrarily described above, a first switch valve is arranged at the water inlet end, the first switch valve is connected with one end of the filter, the water drain valve is arranged at the bottom of the filter, the other end of the filter is provided with a bent pipe end and connected with a third switch valve, the third switch valve is connected with a fourth switch valve through a tee joint, the front end of the first switch valve is connected with a second switch valve in parallel through the tee joint, the front end of the second switch valve is connected with a standby filter, and the standby filter is connected with the third switch valve and the fourth switch valve through the tee joint of a water pipe. Preferably, the first switch valve, the second switch valve, the third switch valve and the fourth switch valve adopt ele