Industrial circulating cooling water self-control operation energy-saving system and regional system thereof

Abstract

An industrial circulating cooling water self-control operation energy-saving system comprises an information acquisition device, a control device and an execution device. The information acquisition device is used for acquiring water supply pipe pressure, cooling tower water return parameters and cold water pool water quality parameters and transmitting the information to the control device; the control device outputs a first control signal according to the water supply pipe pressure acquired by the information acquisition device, outputs a second control signal according to the cooling tower water return parameter, and outputs a third control signal according to the cold water pool water quality parameter; in conclusion, the water supply pump and the cooling tower are managed and controlled, manual adjustment by workers on site is not needed, operation posts are reduced, energy consumption is reduced, working efficiency and automatic control level are improved, and economical efficiency and stability of system operation are improved.

Description

Technical Field

[0001] The utility model belongs to the field of industrial technology, and in particular relates to an industrial circulating cooling water automatic control operation energy-saving system and a regional system thereof. Background Art

[0002] The circulating water treatment system in newly built large-scale projects is no longer one or two simple circulating water systems, but a huge system that integrates clean circulating water system, soft water closed-circuit circulating water system, turbid circulating water treatment system, purified turbid circulating water treatment system and other systems. As the number of water treatment structures in the circulating water treatment system increases, the requirements for the comprehensive management and control level are also getting higher and higher.

[0003] The circulating water treatment system includes a water supply pump, a water intake well or pool, and water quality detection devices on the circulating water pipeline. The operation of the water supply pump and the water intake well needs to be controlled. After the water quality detection devices detect various water quality parameters, the corresponding devices also need to be adjusted. In the current circulating water treatment system, manual adjustments are made on-site based on the detected parameters. This approach cannot timely control the corresponding equipment and adjust the water quality, resulting in low work efficiency and poor automation control. Utility Model Content

[0004] The utility model aims to provide an industrial circulating cooling water automatic operation energy-saving system and its regional system, which solves the technical problems of the existing circulating water treatment system in which various parameters are obtained manually based on detection, resulting in the inability to timely control the corresponding equipment, low work efficiency and backward automation control level.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0006] An industrial circulating cooling water automatic control operation energy-saving system, comprising an information collection device, a control device and an execution device;

[0007] An information collection device is used to collect water supply pipe pressure, cooling tower return water parameters and cold water pool water quality parameters, and transmit the above information to the control device;

[0008] The control device outputs a first control signal according to the water supply pipe pressure collected by the information collection device, outputs a second control signal according to the cooling tower return water parameter, and outputs a third control signal according to the cold water tank water quality parameter;

[0009] The execution device is used to receive the first control signal, the second control signal and the third control signal output by the control device. The execution device adjusts the water outlet flow of the circulating water supply pump according to the first control signal, controls the start and stop and speed of the cooling tower fan according to the second control signal, and adjusts the return pipe flow according to the third control signal.

[0010] Furthermore, the information collection device includes a remote pressure gauge, a temperature gauge and a water quality detection device, the remote pressure gauge is used to collect the pressure of the water supply pipe, the temperature gauge is used to collect the temperature in the cold water pool, and the water quality detection device is used to detect the water quality in the cold water pool;

[0011] The execution device includes a circulating water supply pump, a cooling tower fan and a return water pipeline flow regulating valve.

[0012] Furthermore, the water quality detection device includes at least one of the following devices: a pH meter, a conductivity measuring device, a turbidity meter or a hardness meter.

[0013] Furthermore, the information collection device further includes a drug concentration detector, and the execution device further includes a drug adding device;

[0014] The drug concentration detector is used to detect the drug concentration in the cold water pool and transmit the detected information to the control device, which controls the dosing device to work.

[0015] Furthermore, the dosing device includes a stirring device and a metering pump, and the stirring device and the metering pump are both control-connected to the control device.

[0016] Furthermore, the water quality detection device is an online hanging plate detector.

[0017] A regional system of an industrial circulating cooling water automatic control and energy-saving system comprises a regional control device and at least two industrial circulating cooling water automatic control and energy-saving systems as described above, wherein the regional control device is connected to the two industrial circulating cooling water automatic control and energy-saving systems.

[0018] Compared with the existing technology, the beneficial effects of the present invention are: the present invention realizes the control of water supply pumps and cooling towers without the need for manual adjustment on site, reduces the number of operating positions, reduces energy consumption, improves work efficiency and automation control level, and improves the economy and stability of system operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0020] Figure 1 This is a structural diagram of an industrial circulating cooling water automatic control operation energy-saving system of the utility model. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] The present invention is further described in detail below with reference to the embodiments.

[0023] like Figure 1 As shown, the utility model provides a specific embodiment of an industrial circulating cooling water automatic control operation energy-saving system:

[0024] The connection relationship of the circulating water treatment system is as follows: the cooling tower fan 1 is set on the cooling tower 2, the cold water pool 3 is connected to the heat exchanger 4 of the production device through the water supply pipe 5, and the heat exchanger 4 of the production device is connected to the cooling tower 2 through the return pipe 6.

[0025] An industrial circulating cooling water automatic control operation energy-saving system, comprising an information collection device, a control device and an execution device;

[0026] The information collection device includes a remote pressure gauge 7, a thermometer 8 and a water quality detection device 9. The remote pressure gauge 7 is used to collect the pressure of the water supply pipe 5, the thermometer 8 is used to collect the temperature in the cold water pool 3, and the water quality detection device 9 is used to detect the water quality in the cold water pool 3. The water quality detection device 9 includes at least one of the following devices: a pH meter, a conductivity measuring device, a turbidity meter, a hardness tester or an online coupon tester; the information collection device transmits the collected information to the control device;

[0027] The control device controls the execution device to perform corresponding actions according to the adopted information. Specifically, the execution device includes a circulating water supply pump 10, a cooling tower fan 1 and a return water pipe flow regulating valve 11. The control device adjusts the water outlet flow of the circulating water supply pump 10 according to the pressure of the water supply pipe 5. The circulating water supply pump 10 is set on the water supply pipe 5; the start and stop and speed of the cooling tower fan 1 are controlled according to the temperature in the cold water pool 3, and the return water pipe flow regulating valve 11 is adjusted according to the water quality in the cold water pool 3. The return water pipe flow regulating valve 11 is set on the return water pipe 6.

[0028] The information collection device also includes a drug concentration detector 12, and the execution device also includes a dosing device 13; the drug concentration detector 12 is used to detect the drug concentration in the cold water pool 3 and transmit the detected information to the control device, and the control device controls the dosing device 13 to work. The dosing device 13 is connected to the cold water pool 3 through a pipeline; the dosing device 13 includes a stirring device and a metering pump 14, and the stirring device and the metering pump 14 are both controlled and connected to the control device.

[0029] A regional system of an industrial circulating cooling water automatic control and energy-saving system comprises a regional control device and at least two of the industrial circulating cooling water automatic control and energy-saving systems, wherein the regional control device is connected to the two industrial circulating cooling water automatic control and energy-saving systems.

[0030] It should be noted that, in this document, terms such as "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements that are inherent to such process, method, article or apparatus.

[0031] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An industrial circulating cooling water automatic control operation energy-saving system, characterized by: It includes information collection device, control device and execution device; An information collection device is used to collect water supply pipe pressure, cooling tower return water parameters and cold water pool water quality parameters, and transmit the above information to the control device; The control device outputs a first control signal according to the water supply pipe pressure collected by the information collection device, outputs a second control signal according to the cooling tower return water parameter, and outputs a third control signal according to the cold water tank water quality parameter; The execution device is used to receive the first control signal, the second control signal and the third control signal output by the control device. The execution device adjusts the water outlet flow of the circulating water supply pump according to the first control signal, controls the start and stop and speed of the cooling tower fan according to the second control signal, and adjusts the return pipe flow according to the third control signal.

2. The industrial circulating cooling water automatic control operation energy-saving system according to claim 1, characterized in that: The information collection device includes a remote pressure gauge, a thermometer and a water quality detection device. The remote pressure gauge is used to collect the pressure of the water supply pipe, the thermometer is used to collect the temperature in the cold water pool, and the water quality detection device is used to detect the water quality in the cold water pool. The execution device includes a circulating water supply pump, a cooling tower fan and a return water pipeline flow regulating valve.

3. The industrial circulating cooling water automatic control operation energy-saving system according to claim 2, characterized in that: The water quality detection device includes at least one of the following devices: a pH meter, a conductivity measuring device, a turbidity meter or a hardness meter.

4. The industrial circulating cooling water automatic control operation energy-saving system according to claim 3 is characterized by: The information collection device also includes a drug concentration detector, and the execution device also includes a drug adding device; The drug concentration detector is used to detect the drug concentration in the cold water pool and transmit the detected information to the control device, which controls the dosing device to work.

5. The industrial circulating cooling water automatic control operation energy-saving system according to claim 4 is characterized in that: The dosing device includes a stirring device and a metering pump, and both the stirring device and the metering pump are control-connected to the control device.

6. The industrial circulating cooling water automatic control operation energy-saving system according to claim 5, characterized in that: The water quality detection device is an online hanging plate detector.

7. A regional system for an industrial circulating cooling water automatic operation energy-saving system, characterized by: It comprises a regional control device and at least two industrial circulating cooling water automatic control operation energy-saving systems according to any one of claims 1 to 6, wherein the regional control device is connected to the two industrial circulating cooling water automatic control operation energy-saving systems.

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