Cooling water constant-temperature control device for anode carbon block

Abstract

The invention provides an anode carbon block cooling water constant temperature control device which comprises a plurality of thermometers, a liquid level transmitter, a cold water pipeline, a hot water pipeline and a controller, the thermometers are installed in a carbon block cooling water pool, the liquid level transmitter is installed in the carbon block cooling water pool, the cold water pipeline is communicated with the carbon block cooling water pool and a cold water pool, and the hot water pipeline is communicated with the controller. The hot water pipeline is communicated with the carbon block cooling water tank and the hot water tank, and the controller is used for controlling the operation process of the cold water pipeline and the hot water pipeline according to the temperature measured by the thermometer and the liquid level measured by the liquid level transmitter. The device can automatically adjust the operation process of the cold water pipeline and the hot water pipeline so as to keep the temperature and the liquid level of the carbon block cooling water tank stable, the adjustment process is accurate and timely, and the working efficiency is improved.

Description

Technical Field

[0001] The present application belongs to the technical field of automatic regulation and control of temperature and liquid level of various liquids in the metallurgical industry, and specifically, relates to a constant temperature control device for cooling water of an anode carbon block. Background Art

[0002] In the aluminum electrolysis raw anode process, the surface temperature of the anode coming out of the forming machine reaches 110°C. Before entering the roasting process, it needs to be cooled in the cooling water pool to below 60°C, and the water in the catenary pool needs to be circulated continuously to ensure that the pool temperature and liquid level meet the process requirements. The traditional method of water replenishment and drainage is to manually measure the cooling water temperature and the pool level, and then manually adjust the water inlet valve and the drain valve according to the specified parameters, while continuously measuring the thermometer water level. This is time-consuming and labor-intensive, and the manual adjustment error is large, which affects the quality of the finished product, has low work efficiency, and wastes production costs. Summary of the invention

[0003] The technical problem solved by the present application is: how to provide a constant temperature control device for cooling water of an anode carbon block which can keep the water temperature and water level stable.

[0004] The present application provides a constant temperature control device for cooling water of an anode carbon block, the device comprising:

[0005] A plurality of thermometers, each of which is installed in a carbon block cooling water pool;

[0006] A liquid level transmitter, wherein the liquid level transmitter is installed in a carbon block cooling water pool;

[0007] A cold water pipeline, wherein the cold water pipeline is connected to the carbon block cooling water pool and the cold water pool;

[0008] A hot water pipeline, the hot water pipeline connecting the carbon block cooling water pool and the hot water pool;

[0009] A controller is used to control the operation process of the cold water pipeline and the hot water pipeline according to the temperature measured by the thermometer and the liquid level measured by the liquid level transmitter.

[0010] Optionally, the number of the thermometers is four, and the four thermometers are distributed in four corners of the carbon block cooling water pool.

[0011] Optionally, the cold water pipeline includes a cold water pipe and a water inlet electric valve, and the water inlet electric valve is installed at the connection between the cold water pipe and the carbon block cooling water pool.

[0012] Optionally, the hot water pipeline includes a hot water pipe and a drain electric valve, and the drain electric valve is installed at the connection between the hot water pipe and the carbon block cooling water pool.

[0013] Optionally, the device further comprises a circulation pipeline, wherein the circulation pipeline is connected to the hot water pool and the cold water pool.

[0014] Optionally, the controller is a PLC controller.

[0015] Optionally, the thermometer is a temperature measuring thermal resistor.

[0016] The present application provides a constant temperature control device for cooling water of an anode carbon block, which has the following technical effects:

[0017] By installing thermometers and liquid level transmitters in the carbon block cooling water pool, the controller automatically adjusts the operation of the cold water pipeline and the hot water pipeline according to the temperature and liquid level obtained by real-time monitoring to keep the temperature and liquid level of the carbon block cooling water pool stable. The adjustment process is accurate and timely, and work efficiency is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 Schematic diagram of a constant temperature control device for cooling water of an anode carbon block according to one or more embodiments. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0020] Before describing in detail the various embodiments of the present application, the technical concept of the present application is first briefly described: At present, in order to ensure that the temperature and liquid level of the water pool meet the process requirements, the transmission method is to manually measure the liquid level and temperature and manually adjust the opening of the water inlet valve and the drain valve, which has problems such as large adjustment error and low work efficiency. To this end, the anode carbon block cooling water constant temperature control device provided by the present application installs a thermometer and a liquid level transmitter in the carbon block cooling water pool. The controller automatically adjusts the operation process of the cold water pipeline and the hot water pipeline according to the temperature and liquid level obtained by real-time monitoring to keep the temperature and liquid level of the carbon block cooling water pool stable. The adjustment process is accurate and timely, and the work efficiency is improved. The specific principle of the anode carbon block cooling water constant temperature control device of the present application is described below in combination with more embodiments.

[0021] Specifically, Figure 1As shown, the anode carbon block cooling water constant temperature control device of this embodiment includes a plurality of thermometers 10, a liquid level transmitter 20, a cold water pipeline 30, a hot water pipeline 40, and a controller 50. Each thermometer is installed in a carbon block cooling water pool 100, the liquid level transmitter 20 is installed in the carbon block cooling water pool 100, the cold water pipeline 30 connects the carbon block cooling water pool 100 and the cold water pool 200, the hot water pipeline 40 connects the carbon block cooling water pool 100 and the hot water pool 300, and the controller 50 is used to control the operation process of the cold water pipeline 30 and the hot water pipeline 40 according to the temperature measured by the thermometer 10 and the liquid level measured by the liquid level transmitter 20.

[0022] In one or more embodiments, the number of thermometers 10 is four, and the four thermometers 10 are distributed at the four corners of the carbon block cooling water pool 100. The temperature measuring part of the thermometer 10 is immersed in water, and its function is to measure the water temperature at different positions in the water pool, so as to more comprehensively monitor the temperature of the carbon block cooling water pool 100, so as to facilitate more accurate adjustment of the water volume of the cold water pipeline 30 and the hot water pipeline 40. Exemplarily, the thermometer 10 is a temperature measuring thermal resistor.

[0023] In one or more embodiments, the cold water pipeline 30 includes a cold water pipe 31 and a water inlet electric valve 32, and the water inlet electric valve 32 is installed at the connection between the cold water pipe 31 and the carbon block cooling water pool 100. The cold water pipe 31 connects the carbon block cooling water pool 100 and the cold water pool 200, and the controller 50 adjusts the opening of the water inlet electric valve 32 according to the real-time values ​​of the temperature and the liquid level to adjust the amount of water in the cold water pipeline 30 and keep the temperature and the liquid level of the carbon block cooling water pool 100 stable. Exemplarily, the cold water pipeline 30 also includes a cold water pump 33 and a cold water electric valve 34, and the controller 50 starts the cold water pump 33 and adjusts the opening of the cold water electric valve 34 according to the real-time values ​​of the temperature and the liquid level.

[0024] In one or more embodiments, the hot water pipeline 40 includes a hot water pipe 41 and a drain electric valve 42, and the drain electric valve 42 is installed at the connection between the hot water pipe 41 and the carbon block cooling water pool 100. The hot water pipe 41 connects the carbon block cooling water pool 100 and the hot water pool 300, and the controller 50 adjusts the opening of the drain electric valve 42 according to the real-time values ​​of the temperature and the liquid level to adjust the amount of water in the hot water pipeline 40 and keep the temperature and the liquid level of the carbon block cooling water pool 100 stable. Exemplarily, the hot water pipeline 40 also includes a hot water pump 43 and a hot water electric valve 44, and the controller 50 starts the hot water pump 43 and adjusts the opening of the hot water electric valve 44 according to the real-time values ​​of the temperature and the liquid level.

[0025] In one or more embodiments, the device further includes a circulation pipeline 60, which connects the hot water pool 300 and the cold water pool 200 to achieve the circulation of cooling water.

[0026] Exemplarily, the controller is a PLC controller installed in a power distribution room, and controls the opening of the drain outlet electric valve 42 and the water inlet electric valve 32 and the start and stop of the water pump in real time through signals transmitted by four thermometers 10 and a liquid level transmitter 20 .

[0027] The working process of the anode carbon block cooling water constant temperature control device is as follows:

[0028] First, connect the thermometer 10 and the liquid level transmitter 20 to the PLC controller of the power distribution room, and then set the temperature and liquid level according to the production process. When the temperature of the water pool is higher than the set value, the thermometer 10 transmits a signal to the PLC controller, and the PLC controller controls the hot water pump and the cold water pump to start, and at the same time controls the drain outlet electric valve 42 and the water inlet electric valve 32 to open to a certain opening, thereby controlling the temperature of the cooling water. After the temperature is constant, the electric valve is closed and the water pump stops. When the liquid level of the water pool is lower than the set value, the liquid level transmitter 20 transmits a signal to the PLC controller, and the PLC controller controls the cold water pump to start, and at the same time controls the water inlet electric valve 32 to open to a certain opening, thereby controlling the liquid level of the water pool. After the liquid level is satisfied, the electric valve is closed and the water pump stops. When the liquid level of the water pool is higher than the set value, the liquid level transmitter 20 transmits a signal to the PLC controller, and the PLC controller controls the hot water pump to start, and at the same time controls the drain outlet electric valve 42 to open to a certain opening, thereby controlling the liquid level of the water pool. After the liquid level is satisfied, the electric valve is closed and the water pump stops.

[0029] The specific implementation methods of the present application are described in detail above. Although some embodiments have been shown and described, those skilled in the art should understand that these embodiments can be modified and improved without departing from the principles and spirit of the present application whose scope is defined by the claims and their equivalents. These modifications and improvements should also be within the scope of protection of the present application.

Claims

1. A constant temperature control device for cooling water of an anode carbon block, characterized in that: The device comprises: A plurality of thermometers, each of which is installed in a carbon block cooling water pool; A liquid level transmitter, wherein the liquid level transmitter is installed in a carbon block cooling water pool; A cold water pipeline, wherein the cold water pipeline is connected to the carbon block cooling water pool and the cold water pool; A hot water pipeline, the hot water pipeline connecting the carbon block cooling water pool and the hot water pool; A controller is used to control the operation process of the cold water pipeline and the hot water pipeline according to the temperature measured by the thermometer and the liquid level measured by the liquid level transmitter.

2. The anode carbon block cooling water constant temperature control device according to claim 1, characterized in that: The number of the thermometers is four, and the four thermometers are distributed in the four corners of the carbon block cooling water pool.

3. The anode carbon block cooling water constant temperature control device according to claim 1, characterized in that: The cold water pipeline comprises a cold water pipe and a water inlet electric valve, and the water inlet electric valve is installed at the connection between the cold water pipe and the carbon block cooling water pool.

4. The anode carbon block cooling water constant temperature control device according to claim 1, characterized in that: The hot water pipeline includes a hot water pipe and a drain electric valve, and the drain electric valve is installed at the connection between the hot water pipe and the carbon block cooling water pool.

5. The anode carbon block cooling water constant temperature control device according to claim 1, characterized in that: The device also includes a circulation pipeline, which is connected with the hot water pool and the cold water pool.

6. The anode carbon block cooling water constant temperature control device according to claim 2, characterized in that: The controller is a PLC controller.

7. The anode carbon block cooling water constant temperature control device according to claim 2, characterized in that: The thermometer is a temperature measuring thermal resistor.

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