CN216526772U - Redundancy control system for cooling tower - Google Patents
Redundancy control system for cooling tower Download PDFInfo
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- CN216526772U CN216526772U CN202123388413.6U CN202123388413U CN216526772U CN 216526772 U CN216526772 U CN 216526772U CN 202123388413 U CN202123388413 U CN 202123388413U CN 216526772 U CN216526772 U CN 216526772U
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Abstract
The utility model discloses a redundant control system for a cooling tower, which comprises a first water inlet temperature sensor and a second water inlet temperature sensor which are arranged on a water inlet pipeline, and a first water outlet temperature sensor and a second water outlet temperature sensor which are arranged on a water outlet pipeline. According to the utility model, by adding the redundant temperature sensors on the water inlet pipeline and the water outlet pipeline, when any one sensor fails, the normal operation of the system is not influenced, the reliability of the system is greatly improved, and the redundancy safety is realized.
Description
Technical Field
The utility model relates to the technical field of equipment control, in particular to a redundancy control system for a cooling tower.
Background
The cooling tower (The cooling tower) uses water as a circulating coolant, hot water enters a water dispersion tank through a water inlet pipe, and is uniformly distributed to a water dispersion tank after passing through The water dispersion tank, The water dispersion tank is provided with water dispersion holes with different diameters, hot water flows into water dispersion sheets from The water dispersion holes, and is uniformly distributed through The water dispersion sheets, so that The hot water can be uniformly distributed in a filler, and slowly falls down in The filler by means of The gravity of The hot water, and The heat exchange is fully ensured; the fan drives convulsions by the motor and makes cold air level pass the heat dissipation filler, and cold air forms the right angle meeting with the hot water like this, makes hottest water and the coldest air carry out the heat exchange, and heat exchange efficiency is high.
At present, many circulating water cooling tower systems in industrial production mostly adopt an operator manual control and instrument automatic control mode, and an operator presses a button to start and stop corresponding equipment to run according to field process requirements, so that the running quantity and frequency of fans and water pumps cannot be dynamically adjusted according to the current temperature value. Although automatic operation can be realized through an automatic control mode of the instrument, the stability is poor, the control precision is not high, and remote transmission and remote control cannot be realized.
Chinese patent (CN201520648438.0) discloses a self-adaptive cooling tower fan controller, which comprises a cooling tower, a frequency converter, a set value processor, a cooling water temperature sensor and an outdoor wet bulb temperature sensor; although the cooling tower can be automatically adjusted along with the outlet water temperature, the controller cannot normally operate under the condition that the temperature sensor fails, and potential safety hazards still exist.
Disclosure of Invention
Aiming at the problem of lower safety of a cooling tower control system in the prior art, the utility model provides a redundant control system for a cooling tower, which improves the running safety of the system by adding redundant temperature sensors on a water inlet pipeline and a water outlet pipeline.
In order to achieve the purpose, the utility model provides the following technical scheme:
a redundant control system for a cooling tower includes a first inlet water temperature sensor and a second inlet water temperature sensor mounted on an inlet water conduit, and a first outlet water temperature sensor and a second outlet water temperature sensor mounted on an outlet water conduit.
Preferably, the water outlet device further comprises a water outlet pressure sensor, wherein the water outlet pressure sensor is arranged on the water outlet pipeline and connected with the controller and used for detecting the water pressure and transmitting the water pressure to the controller.
Preferably, the water inlet pipeline is connected with a water inlet of the cooling tower; one end of the water outlet pipeline is connected with a water outlet of the cooling tower, the other end of the water outlet pipeline is connected with a circulating water pump, and the control end of the circulating water pump is connected with the controller.
Preferably, a fan is arranged in the cooling tower and used for reducing the temperature of the outlet water.
Preferably, the system also comprises a frequency converter which is used for adjusting the operating frequency of the fan and the circulating water pump according to the outlet water pressure and the outlet water temperature.
In summary, due to the adoption of the technical scheme, compared with the prior art, the utility model at least has the following beneficial effects:
according to the utility model, the redundant temperature sensors are added on the water inlet pipeline and the water outlet pipeline, so that the normal operation of the system is not influenced when any sensor fails, the reliability of the system is greatly improved, and the redundancy safety is realized.
Description of the drawings:
FIG. 1 is a schematic diagram of a redundant control system for a cooling tower according to an exemplary embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to examples and embodiments. It should be understood that the scope of the above-described subject matter is not limited to the following examples, and any techniques implemented based on the disclosure of the present invention are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
As shown in fig. 1, the present invention provides a redundant control system for a cooling tower, which includes a controller 1, an inlet water temperature sensor 2, an outlet water temperature sensor 3, an outlet water pressure sensor 4, a cooling tower 5, and a circulating water pump 6.
At least two water inlet temperature sensors are installed on the water inlet pipeline, at least two water outlet temperature sensors are installed on the water outlet pipeline, and the water inlet temperature sensors and the water outlet temperature sensors are connected with the controller.
In this embodiment, the inlet water temperature sensor 2 includes a first inlet water temperature sensor 21 and a second inlet water temperature sensor 22, and is configured to collect an inlet water temperature; the first inlet water temperature sensor 21 and the second inlet water temperature sensor 22 are respectively installed on the inlet pipes and are respectively connected with the controller.
In this embodiment, the outlet water temperature sensor 3 includes a first outlet water temperature sensor 31 and a second outlet water temperature sensor 32, and is configured to collect an outlet water temperature; the first outlet water temperature sensor 31 and the second outlet water temperature sensor 32 are respectively installed on the outlet water pipeline and are respectively connected with the controller.
In this embodiment, the water inlet pipe is connected with the water inlet of the cooling tower 5; one end of the water outlet pipeline is connected with a water outlet of the cooling tower 5, the other end of the water outlet pipeline is connected with a circulating water pump 6, and the circulating water pump 6 is further connected with the controller.
In this embodiment, the device further comprises a water outlet pressure sensor 4 installed on the water outlet pipeline and connected with the controller, for detecting the water pressure and transmitting the water pressure to the controller.
In this embodiment, the first inlet water temperature sensor 21 and the second inlet water temperature sensor 22 are arranged on the inlet water pipe, so that when the first inlet water temperature sensor 21 or the second inlet water temperature sensor 22 fails, the inlet water temperature can still be detected; by arranging the first outlet water temperature sensor 31 and the second outlet water temperature sensor 32 on the outlet water pipeline, when the first outlet water temperature sensor 31 or the second outlet water temperature sensor 32 fails, the temperature of water can still be detected. Through increasing redundant temperature sensor on inlet channel and outlet conduit promptly, when any sensor trouble, do not influence system normal operating, greatly improved system reliability, realize redundant safety.
In this embodiment, still be provided with the fan in the cooling tower for reduce the temperature of going out water, guarantee the constancy of a water temperature.
In the embodiment, the water treatment system further comprises a frequency converter, wherein the frequency converter is used for adjusting the frequency of the fan and the circulating water pump 6 according to the water outlet pressure and the water outlet temperature, realizing the dynamic adjustment of the temperature and the pressure and ensuring the constancy of the water outlet temperature and the pressure; meanwhile, the unnecessary running time of the fan is reduced by automatically controlling the temperature, and energy conservation is realized.
In this embodiment, the controller uploads the temperature data and pressure data, frequency, etc. that gather to the server, and the remote control of being convenient for is looked over, is maintained.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples for carrying out the utility model, and that various changes in form and details may be made therein without departing from the spirit and scope of the utility model in practice.
Claims (6)
1. The utility model provides a redundant control system for cooling tower which characterized in that installs two temperature sensor of intaking at least on the inlet channel, installs two temperature sensor of leaving water at least on outlet channel, temperature sensor of intaking and leaving water temperature sensor all are connected with the controller.
2. A redundant control system for a cooling tower according to claim 1 wherein a first inlet water temperature sensor and a second inlet water temperature sensor are mounted on the inlet conduit and a first outlet water temperature sensor and a second outlet water temperature sensor are mounted on the outlet conduit.
3. A redundant control system for a cooling tower according to claim 1 or 2 further comprising an outlet pressure sensor mounted on the outlet conduit and connected to the controller for sensing and transmitting water pressure to the controller.
4. A redundant control system for a cooling tower according to claim 1 or 2 wherein said water inlet conduit is connected to the water inlet of the cooling tower; one end of the water outlet pipeline is connected with a water outlet of the cooling tower, the other end of the water outlet pipeline is connected with a circulating water pump, and the control end of the circulating water pump is connected with the controller.
5. The redundant control system for a cooling tower of claim 4, wherein a fan is provided in the cooling tower for reducing the leaving water temperature.
6. A redundant control system for a cooling tower according to claim 1 or 2 further comprising a frequency converter for adjusting the operating frequency of the fan and the circulating water pump based on the effluent pressure and the effluent temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123388413.6U CN216526772U (en) | 2021-12-30 | 2021-12-30 | Redundancy control system for cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123388413.6U CN216526772U (en) | 2021-12-30 | 2021-12-30 | Redundancy control system for cooling tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216526772U true CN216526772U (en) | 2022-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123388413.6U Active CN216526772U (en) | 2021-12-30 | 2021-12-30 | Redundancy control system for cooling tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216526772U (en) |
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2021
- 2021-12-30 CN CN202123388413.6U patent/CN216526772U/en active Active
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