Automatic water replenishing device for water tank of circular cooler

Abstract

The automatic water replenishing device comprises a main pipe, the outer end of the main pipe is connected to a water source, the main pipe sequentially passes through an upper water tank and a lower water tank of the circular cooler from top to bottom, the main pipe is provided with an automatic water replenishing pipe A and an automatic water replenishing pipe B, and the automatic water replenishing pipe A and the automatic water replenishing pipe B are both communicated with the main pipe. The water outlet end of the automatic water supplementing pipe A extends into the upper water tank, the water outlet end of the automatic water supplementing pipe B extends into the lower water tank, an electric control valve A is arranged on the automatic water supplementing pipe A, and an electric control valve B is arranged on the automatic water supplementing pipe B. A liquid level sensor A is arranged in the upper water tank and is in signal communication with the electric control valve A. A liquid level sensor B is arranged in the lower water tank and is in signal communication with the electric control valve B. The liquid level sensor B is in signal communication with the electric control valve B; according to the utility model, automatic water replenishing and remote monitoring of the water tank of the circular cooler are realized, water shortage accidents are avoided, and the labor intensity is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of annular cooler, in particular to an automatic water replenishing device for the water tank of an annular cooler. Background Technique

[0002] As a main equipment for supplying raw materials for iron-making blast furnaces, the sintering annular cooler plays a very important role. The annular cooler is mainly responsible for circulating the hot sintered ore coming from the sintering machine through the trolley moving in a circular motion. The annular cooler consists of an outer ring and an inner ring. The outer ring is provided with an upper water tank and a lower water tank on the outer ring, and the inner ring is provided with an upper water tank and a lower water tank on the inner ring. There is circulating water in the water tank, and the heat is carried away by the circulating water. During actual operation, the upper water tank and the lower water tank need to be replenished with water at intervals, and the interval time is not fixed. Generally, manual inspection and manual water replenishment are used to maintain normal production, which is prone to accidents of missing the water replenishment opportunity and resulting in water shortage. Content of the Utility Model

[0003] The purpose of the utility model is to solve the problems raised in the above background technique, and provide an automatic water replenishing device for the water tank of an annular cooler.

[0004] The specific technical solution of the utility model is as follows: an automatic water replenishing device for the water tank of an annular cooler, including a main pipe, the outer end of the main pipe is connected to a water source, the main pipe sequentially passes through the upper water tank and the lower water tank of the annular cooler from top to bottom. The main pipe is provided with an automatic water replenishing pipe A and an automatic water replenishing pipe B. Both the automatic water replenishing pipe A and the automatic water replenishing pipe B are communicated with the main pipe. The water outlet end of the automatic water replenishing pipe A extends into the upper water tank, and the water outlet end of the automatic water replenishing pipe B extends into the lower water tank. An electric control valve A is provided on the automatic water replenishing pipe A, and an electric control valve B is provided on the automatic water replenishing pipe B. A liquid level sensor A is installed in the upper water tank, and the liquid level sensor A is signal-connected to the electric control valve A. A liquid level sensor B is provided in the lower water tank, and the liquid level sensor B is signal-connected to the electric control valve B.

[0005] Preferably, the main pipe is also provided with a manual water replenishing pipe A and a manual water replenishing pipe B. The water outlet end of the manual water replenishing pipe A extends into the upper water tank, and the water outlet end of the manual water replenishing pipe B extends into the lower water tank. Manual valves are provided on both the manual water replenishing pipe A and the manual water replenishing pipe B.

[0006] Preferably, a bracket A is installed on the tank wall of the upper water tank, the bracket A extends upward, and a camera A is installed at the top of the bracket A; a bracket B is installed on the tank wall of the lower water tank, the bracket B extends upward, and a camera B is installed at the top of the bracket B.

[0007] Preferably, the camera A and the camera B are connected to a remote control terminal, and an alarm is provided on the remote control terminal.

[0008] The beneficial effects of the present utility model are as follows: By setting up an automatic water replenishing pipe, an electric control valve and a liquid level sensor to form an automatic control mechanism, the problem of accurately controlling the water level in the water tank of the ring cooler is solved, the operation state of the water tank of the ring cooler is effectively monitored, and the production cost and labor cost are saved. Description of the Drawings

[0009] Figure 1 is a schematic structural diagram of the present utility model;

[0010] Figure 2 is a top view of the ring cooler;

[0011] In the figure: 1, main pipe; 2, manual water replenishing pipe A; 3, automatic water replenishing pipe A; 4, manual valve; 5, electric control valve A; 6, automatic water replenishing pipe B; 7, manual water replenishing pipe B; 8, camera; 9, liquid level sensor A; 10, inner ring upper water tank; 11, inner ring lower water tank; 12, electric control valve B; 13, liquid level sensor B; 14, outer ring upper water tank; 15, outer ring lower water tank. Specific Embodiment

[0012] See Figure 1-2 , this embodiment provides an automatic water replenishing device for the water tank of the ring cooler, including a main pipe 1 arranged on the periphery of the ring cooler, the outer end of the main pipe 1 is connected to a water source, the main pipe 1 is provided with two automatic water replenishing pipes A3 and two automatic water replenishing pipes B6, all the automatic water replenishing pipes A3 and automatic water replenishing pipes B6 are communicated with the main pipe 1, the water outlet end of one automatic water replenishing pipe A3 extends into the outer ring upper water tank 14, the other automatic water replenishing pipe A3 extends into the inner ring upper water tank 10, the water outlet end of one automatic water replenishing pipe B6 extends into the outer ring lower water tank 15, the other automatic water replenishing pipe B6 extends into the inner ring lower water tank 11, the automatic water replenishing pipe A3 is provided with an electric control valve A5, the automatic water replenishing pipe B6 is provided with an electric control valve B12, the upper water tanks are all equipped with liquid level sensors A9, the liquid level sensors A9 are in signal communication with the electric control valve A5, the lower water tanks are all provided with liquid level sensors B13, the liquid level sensors B13 are in signal communication with the electric control valve B12, and the electric control valve A5 and the electric control valve B12 are both connected to a PLC controller.

[0013] Preferably, the main pipe 1 is further provided with two manual water replenishing pipes A2 and two manual water replenishing pipes B7, the water outlet ends of the two manual water replenishing pipes A2 respectively extend into the outer ring upper water tank 14 and the inner ring upper water tank 10, the water outlet ends of the two manual water replenishing pipes B7 respectively extend into the outer ring lower water tank 15 and the inner ring lower water tank 11, and the manual water replenishing pipes A2 and the manual water replenishing pipes B7 are both provided with manual valves 4.

[0014] Preferably, a bracket A is installed on the wall of each upper water tank. The bracket A extends upward, and a camera 8 is installed at the top of the bracket A; a bracket B is installed on the wall of each lower water tank. The bracket B extends upward, and a camera 8 is installed at the top of the bracket B. Preferably, the camera 8 is connected to a remote control terminal, and an alarm is provided at the remote control terminal; when the picture taken by the camera 8 shows that the current liquid level is lower than the warning line, the alarm is automatically triggered to sound an alarm to attract the attention of maintenance personnel, so that corresponding measures can be taken in time. The on-site personnel can be notified to replenish water to the corresponding water tank through the manual water supply pipe.

[0015] The working principle of the present utility model is as follows: During normal operation, water is replenished through the automatic water replenishment mechanism. When the liquid level sensor A9 in the upper water tank detects that the liquid level reaches the set low value at this time, a signal is automatically sent to the PLC controller, and the PLC controller automatically controls the electric control valve A5 to open to replenish water to the corresponding upper water tank. When the liquid level reaches the set high value, the electric control valve A5 is automatically closed to stop water replenishment.

[0016] When the liquid level sensor B13 in the lower water tank detects that the liquid level reaches the set low value at this time, a signal is automatically sent to the PLC controller, and the PLC controller automatically controls the electric control valve B12 to open to replenish water to the corresponding lower water tank. When the liquid level reaches the set high value, the electric control valve B12 is automatically closed to stop water replenishment.

Claims

1. An automatic water replenishing device for a ring cooler water tank, characterized in that: It includes a main pipe, the outer end of which is connected to a water source, and the main pipe passes through the upper water tank and the lower water tank of the ring cooler from top to bottom in sequence. The main pipe is provided with an automatic water supply pipe A and an automatic water supply pipe B, and the automatic water supply pipe A and the automatic water supply pipe B are both connected to the main pipe. The water outlet end of the automatic water supply pipe A extends into the upper water tank, and the water outlet end of the automatic water supply pipe B extends into the lower water tank. The automatic water supply pipe A is provided with an electric control valve A, and the automatic water supply pipe B is provided with an electric control valve B. A liquid level sensor A is installed in the upper water tank, and the liquid level sensor A is connected to the electric control valve A by signal. A liquid level sensor B is provided in the lower water tank, and the liquid level sensor B is connected to the electric control valve B by signal.

2. The automatic water replenishing device for the water tank of an annular cooler according to claim 1, characterized in that: The main pipe is also provided with a manual water supply pipe A and a manual water supply pipe B. The water outlet end of the manual water supply pipe A extends to the upper sink, and the water outlet end of the manual water supply pipe B extends to the lower sink. Both the manual water supply pipe A and the manual water supply pipe B are provided with manual valves.

3. The automatic water replenishing device for the water tank of an annular cooler according to claim 1, characterized in that: A bracket A is installed on the wall of the upper water tank, the bracket A extends upward, and a camera A is installed on the top of the bracket A; a bracket B is installed on the wall of the lower water tank, the bracket B extends upward, and a camera B is installed on the top of the bracket B.

4. The automatic water replenishing device for the water tank of an annular cooler according to claim 3, characterized in that: The cameras A and B are connected to a remote control terminal, which is provided with an alarm.

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