CN218951169U

CN218951169U - SEC pump pipeline system

Info

Publication number: CN218951169U
Application number: CN202221675644.7U
Authority: CN
Inventors: 朱荣生; 杨爱玲
Original assignee: Jiangsu Guoquan Pumps Co Ltd
Current assignee: Jiangsu Guoquan Pumps Co Ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2023-05-02
Anticipated expiration: 2032-06-30

Abstract

The utility model provides an SEC pump pipeline system, which comprises a cold water inlet, an SEC pump room, an SEC pipe gallery, a water biological catcher, a dosing device, an automatic dosing controller, a collecting and detecting device, a heat exchanger and a hot water outlet, wherein the cold water inlet is positioned at the front end of the SEC pump room, cold water flows through the SEC pump room from the SEC pipe gallery to the water biological catcher through the cold water inlet, and hot water is discharged from the hot water outlet at the other end of the SEC pipe gallery after being treated through the heat exchanger; the SEC tube lanes at the front end and the rear end of the heat exchanger are respectively provided with a dosing device and an acquisition and detection device; the acquisition and detection device transmits data to an automatic dosing controller, and the automatic dosing controller outputs a control signal; the dosing device receives the control signal and automatically doses the cold water in the SEC pipe gallery, thereby forming an automatic dosing control system.

Description

SEC pump pipeline system

Technical Field

The utility model relates to the technical field of water treatment, in particular to a SEC pump pipeline system.

Background

The nuclear island significant plant water System (SEC) is a nuclear auxiliary system that functions to transfer heat transferred by the plant cooling water system to the sea water. An important plant water System (SEC) is part of a cooling system for transporting heat transferred from safety related structures, systems and equipment to a final heat sink through a heat exchanger during normal operation and accident conditions of a nuclear power plant. The important factory water System (SEC) is an open circulation system, the flowing medium is sea water, the SEC pump sucks sea water from the sea water filtering system, the sea water is discharged into the SEC overflow well through the SEC pipeline, the shellfish catcher and the heat exchanger, and then is discharged into the sea through the drainage pipeline.

Because the important water System (SEC) for the nuclear island is recycled in seawater for a long time, the problems of corrosion, scaling and microorganisms of cooling water in a pipeline are very serious, and the technical problem which is urgently needed to be solved in the field.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, and provides a SEC pump pipeline system, wherein an acquisition detection device is adopted to detect the water inlet condition, an automatic dosing controller outputs a control signal, the automatic dosing controller judges the concentration multiple in water or determines the dosing amount according to the water discharge amount according to water quality data, the dosing controller outputs the control signal, and a dosing device receives the control signal to automatically dose cold water in a SEC pipeline, so that an automatic dosing control system is formed.

The technical scheme adopted for achieving the purpose is as follows:

the system comprises a SEC pump pipeline system, a cold water inlet, a SEC pump room, a SEC pipe gallery, a water biological catcher, a dosing device, an automatic dosing controller, a collection detection device, a heat exchanger and a hot water outlet, wherein the cold water inlet is positioned at the front end of the SEC pump room, cold water flows through the SEC pipe gallery to the water biological catcher through the SEC pump room through the cold water inlet, and hot water is discharged from a hot water outlet at the other end of the SEC pipe gallery after being treated through the heat exchanger; the SEC pipe lanes at the front end and the rear end of the heat exchanger are respectively provided with a dosing device and an acquisition and detection device; the acquisition and detection device transmits data to an automatic dosing controller, and the automatic dosing controller outputs a control signal; the dosing device receives the control signal and automatically doses the cold water in the SEC pipe gallery, thereby forming an automatic dosing control system.

Further, the acquisition and detection device comprises water quality monitoring and flow monitoring, and an output port of the acquisition and detection device is connected with an input port of the automatic dosing controller; the dosing device comprises a medicament storage tank, a stirrer and an electronic metering dosing pump, and an input port of the dosing device is connected with an output port of the automatic dosing controller.

Further, a water quality monitor and a flowmeter in the acquisition and detection device respectively transmit water quality data and water displacement data in the SEC pipe gallery to the automatic dosing controller; the automatic dosing controller judges the concentration times in water or determines dosing amount according to the water discharge amount according to the water quality data.

Further, a system audible and visual alarm device, a remote control device and a PLC controller are arranged in the automatic medicine adding controller.

The SEC pump pipeline system provided by the utility model has the following advantages: the system realizes on-line detection and automatic control of various indexes, and timely adjusts the dosing amount so as to obtain the expected effect, is simple and efficient, and has simple structure and convenient installation and maintenance.

Drawings

FIG. 1 is a schematic diagram of a SEC pump piping system;

fig. 2 is a block diagram of a SEC pump piping system.

In the figure: 1. cold water inlet, 2, SEC pump house, 3, SEC piping lane, 4, cold water, 5, water biological trap, 6, heat exchanger, 7, dosing device, 7-1, medicament storage tank, 7-2, agitator, 7-3, electronic metering dosing pump, 8, automatic dosing controller, 8-1, remote control device, 8-2, audible and visual alarm device, 8-3, PLC controller, 9, collection detection device, 9-1, water quality monitoring, 9-2, flow monitoring, 10, hot water, 11, hot water outlet.

Detailed Description

The utility model is further described in connection with the accompanying drawings and the specific embodiments, to which the scope of the utility model is not limited.

The SEC pump pipeline system shown in fig. 1 and 2 mainly comprises a cold water inlet 1, a SEC pump room 2, a SEC pipe gallery 3, a water biological catcher 5, a dosing device 7, an automatic dosing controller 8, a collecting and detecting device 9, a heat exchanger 6 and a hot water outlet 11, wherein the cold water inlet 1 is positioned at the front end of the SEC pump room 2, cold water 4 flows through the SEC pump room 2 from the SEC pipe gallery 3 to the water biological catcher 5 through the cold water inlet 1, and hot water 10 is discharged from the hot water outlet 11 at the other end of the SEC pipe gallery 3 after being treated through the heat exchanger 6; the SEC pipe gallery 3 at the front end and the rear end of the heat exchanger 6 is respectively provided with a dosing device 7 and a collecting and detecting device 9; the acquisition and detection device 9 transmits data to the automatic dosing controller 8, and the automatic dosing controller 8 outputs a control signal; the dosing device 7 receives the control signal and automatically doses the cold water 4 in the SEC pipe gallery 3, thereby forming an automatic dosing control system.

Preferably, the collection and detection device 9 comprises a water quality monitoring device 9-1 and a flow monitoring device 9-2, and an output port of the collection and detection device 9 is connected with an input port of the automatic dosing controller 8; the dosing device 7 comprises a medicament storage tank 7-1, a stirrer 7-2 and an electronic metering dosing pump 7-3, and an input port of the dosing device 7 is connected with an output port of an automatic dosing controller 8.

Preferably, the water quality monitor 9-1 and the flowmeter 9-2 in the collecting and detecting device 9 respectively transmit water quality data and water displacement data in the SEC pipe gallery 3 to the automatic dosing controller 8; the automatic dosing controller 8 judges the concentration times in water or determines the dosing amount according to the water discharge amount according to the water quality data.

Preferably, the dosing device 7 receives a control signal from an automatic dosing controller 8, and performs automatic dosing control.

Preferably, a system audible and visual alarm device 8-2, a remote control device 8-1 and a PLC controller 8-3 are arranged in the automatic medicine adding controller 8.

As shown in fig. 1 and fig. 2, the working process of the SEC pump pipeline system provided by the utility model is as follows:

after cold water 4 passes through the SEC pump room 2 through the SEC pipe gallery 3 and is treated by the water biological catcher 5 through the heat exchanger 6, hot water 10 is discharged from a hot water outlet 11 at the other end of the SEC pipe gallery 3, a chemical adding device 7 and an acquisition and detection device 9 are respectively arranged on the SEC pipe gallery 3 at the front end and the rear end of the heat exchanger 6, the acquisition and detection device 9 comprises a water quality monitor 9-1 and a flow monitor 9-2, and the water quality monitor 9-1 and the flow meter 9-2 respectively transmit water quality data and drainage data in the SEC pipe gallery 3 to an automatic chemical adding controller 8; the automatic dosing controller 8 judges the concentration times in water or determines the dosing amount according to the water discharge amount according to the water quality data. The dosing device 7 comprises a medicament storage tank 7-1, a stirrer 7-2 and an electronic metering dosing pump 7-3, wherein the dosing device 7 receives a control signal of an automatic dosing controller 8 and executes automatic control dosing. The automatic dosing controller 8 is internally provided with a system audible and visual alarm device 8-2, a remote control device 8-1 and a PLC controller 8-3, the automatic dosing controller 8 is controlled by a computer, the dosing process is controlled by programming, audible and visual alarm and remote control are carried out on the faults of the system, the operation is simple, the labor is saved, the automatic drainage, the automatic dosing and the continuous and uniform dosing can be realized.

The scope of the present utility model is not limited to the above-described embodiments, but includes other embodiments and modifications within the scope of the inventive concept.

Claims

1. The utility model provides a SEC pump piping system, includes cold water entry, SEC pump house, SEC piping lane, aquatic organism trap, charge device, automatic charge controller, gathers detection device, heat exchanger and hot water export, cold water entry is located the front end of SEC pump house, and cold water flows through the SEC piping lane to aquatic organism trap through the cold water entry through the SEC piping lane, handles the back through heat exchanger, and hot water is discharged from the hot water export of the SEC piping lane other end, its characterized in that: the SEC pipe lanes at the front end and the rear end of the heat exchanger are respectively provided with a dosing device and an acquisition and detection device; the collection and detection device comprises water quality monitoring and flow monitoring, and an output port of the collection and detection device is connected with an input port of the automatic dosing controller; the dosing device comprises a medicament storage tank, a stirrer and an electronic metering dosing pump, and an input port of the dosing device is connected with an output port of the automatic dosing controller.

2. A SEC pump piping system as claimed in claim 1, wherein: and a water quality monitor and a flowmeter in the acquisition and detection device respectively transmit water quality data and water displacement data in the SEC pipe gallery to the automatic dosing controller.

3. A SEC pump piping system as claimed in claim 1, wherein: and a system audible and visual alarm device, a remote control device and a PLC (programmable logic controller) are arranged in the automatic dosing controller.