CN211264115U - Accurate water-saving transmission control system of wet-cold thermal power generating unit based on intelligent wireless LoRa - Google Patents
Accurate water-saving transmission control system of wet-cold thermal power generating unit based on intelligent wireless LoRa Download PDFInfo
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- CN211264115U CN211264115U CN201922036389.6U CN201922036389U CN211264115U CN 211264115 U CN211264115 U CN 211264115U CN 201922036389 U CN201922036389 U CN 201922036389U CN 211264115 U CN211264115 U CN 211264115U
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Abstract
Accurate water conservation transmission control system of cold thermal power generating unit of wetting based on loRa intelligence is wireless, including centralized control center server, water quality monitoring collection part, drainage flow collection part, equipment operation parameter acquisition part, cooling tower pond water level acquisition part, add medicine blowdown part, water quality monitoring collection part, drainage flow collection part, equipment operation parameter acquisition part and cooling tower pond water level acquisition part install the corresponding position in thermal power plant's circulating water pipeline. The utility model discloses use loRa intelligence wireless gateway transmission gateway as the core, not only realized the long-range collection of circulating water quality of water chemical examination, circulating water system operating parameter and add the long-range automatic control of medicine, blowdown, realized the accurate water conservation of power plant and degree of depth water conservation moreover. The utility model discloses reduce the investment and the working costs of waste water zero release engineering, filled thermal power plant's water system intelligence, automatic control's blank.
Description
Technical Field
The utility model belongs to the technical field of power plant energy saving and consumption reduction, concretely relates to accurate water conservation transmission control system of wet cold thermal power generating unit based on loRa intelligence is wireless.
Background
In the traditional thermal power plant, the main machine part (machine, furnace, electricity, lime and sulfur, etc.) is automatically controlled, but the water using and draining systems of circulating cooling water, etc. closely related to water saving work are not automatically controlled basically, and the operations of water quality testing, medicine adding, pollution discharging, etc. are still carried out by manpower mainly. The timeliness and the accuracy of various operations such as circulating water dosing, cooling tower pollution discharge and the like are basically not mentioned, and the water quality of circulating cooling water often fluctuates greatly.
In order to realize deep water saving and accurate water saving of the thermal power generating unit, the traditional manual regulation is far from sufficient, and the application of an information intelligent control technology cannot be avoided.
The problems encountered in the automatic intelligent control propulsion process of a power plant are a series of problems that the monitoring points of a control system are not distributed in a centralized manner, the monitoring points are far away from a centralized control center, the wiring distance is difficult, the construction quantity is large and the like.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the weak point among the prior art, provide an accurate water conservation transmission control system of wet cold thermal power generating unit based on loRa intelligence is wireless, realize quality of water on-line monitoring, chemical examination, the automatic control of operation such as medicine, blowdown of recirculated cooling water, solved because of monitoring point position distribution not concentrate, monitoring point and centralized control center distance are far away, wiring apart from a series of problems such as difficulty, construction volume are big.
In order to solve the technical problem, the utility model adopts the following technical scheme: accurate water conservation transmission control system of wet cold thermal power generating unit based on loRa intelligence is wireless, including centralized control center server, water quality monitoring gathers the part, water discharge flow gathers the part, equipment operation parameter gathers the part, cooling tower pond water level gathers the part, add medicine blowdown part, water quality monitoring gathers the part, water discharge flow gathers the part, equipment operation parameter gathers the part and the corresponding position at thermal power plant circulating water pipeline is installed to cooling tower pond water level gathers the part, water quality monitoring gathers the part, water discharge flow gathers the part, the signal that equipment operation parameter gathers part and cooling tower pond water level and gathers part and all transmits to centralized control center server through loRa intelligence wireless gateway, centralized control center server passes through loRa intelligence wireless communication gateway and adds medicine blowdown part control connection.
The water quality monitoring and collecting part comprises a residual chlorine meter, a conductivity meter, a PH meter and an online P meter.
The drainage flow rate collecting part comprises a drainage instantaneous flowmeter and a drainage accumulative flowmeter.
The equipment operation parameter acquisition part comprises a power meter of a generator set, a circulating water pump ammeter, a blower inlet air temperature meter, a condenser inlet water temperature meter and a cooling tower water replenishing flow meter.
The cooling tower pool water level acquisition part comprises a cooling tower pool water level meter.
The dosing and sewage discharging part comprises a sterilization metering pump, an acid adding pump, a scale and corrosion inhibitor metering pump and a sewage discharging valve.
Adopt above-mentioned calculation scheme, the utility model discloses use loRa intelligence wireless gateway transmission gateway as the core, not only realized the long-range automatic control of long-range collection and medicine, blowdown of circulating water quality of water chemical examination, circulating water system operating parameter, realized the accurate water conservation of power plant and degree of depth water conservation moreover. The utility model discloses reduce the investment and the working costs of waste water zero release engineering, filled thermal power plant's water system intelligence, automatic control's blank.
Drawings
Fig. 1 is a schematic diagram of the overall control of the present invention.
Detailed Description
As shown in fig. 1, the utility model discloses a wet cold thermal power generating unit accurate water conservation transmission control system based on loRa intelligence is wireless, including centralized control center server 1, water quality monitoring gathers the part, water discharge flow gathers the part, equipment operation parameter gathers the part, cooling tower pond water level gathers the part, add medicine blowdown part, water quality monitoring gathers the part, water discharge flow gathers the part, equipment operation parameter gathers the part and the corresponding position of installing at thermal power plant circulating water pipeline of cooling tower pond water level gathers the part, water quality monitoring gathers the part, water discharge flow gathers the part, the signal that equipment operation parameter gathers part and cooling tower pond water level and gathers the part and gathers all transmits centralized control center server 1 through loRa intelligence wireless gateway 18, centralized control center server 1 is through loRa intelligence wireless gateway 19 with add medicine blowdown part control connection.
The water quality monitoring and collecting part comprises a residual chlorine meter 2 (for monitoring the residual chlorine content in the circulating water), a conductivity meter 3 (for monitoring the conductivity of the circulating water), a PH meter 4 (for monitoring the PH value of the circulating water) and an online P meter 5 (for monitoring the phosphorus concentration in the circulating water).
The drainage flow rate collecting section includes a drainage instantaneous flow meter 6 (monitoring the circulating water drainage instantaneous flow rate) and a drainage cumulative flow meter 7 (monitoring the cumulative flow rate of drainage).
The equipment operation parameter acquisition part comprises a generator set power meter 8 (monitoring the power of a generator set), a circulating water pump ammeter 9 (monitoring the current of a circulating water pump), a blower inlet air temperature meter 10 (monitoring the blower inlet air temperature), a condenser inlet water temperature meter 11 (monitoring the condenser inlet circulating water temperature) and a cooling tower water replenishing flow meter 12 (monitoring the cooling tower water replenishing flow).
The cooling tower sump water level acquisition section includes a cooling tower sump water level gauge 13 (which monitors the water level of the cooling tower).
The dosing and sewage discharging part comprises a sterilization metering pump 14, an acid adding pump 15, a scale and corrosion inhibitor metering pump 16 and a sewage discharging valve 17.
Continuously measuring the residual chlorine value of the circulating water on line through a residual chlorine meter 2, and controlling the amount of the bactericide delivered to the circulating water by the sterilizing metering pump 14 according to the deviation of the measured residual chlorine value and the target value; and controlling the start and stop of the electric adjusting blow-down valve 17 according to the high limit of the chloride ion value, the concentration multiplying power, the high limit of the alkalinity, the high limit of the calcium ion value and the low limit of the water level of the tower pool of the cooling tower, and starting the blow-down valve 17 when the water level of the tower pool is more than or equal to the low limit, the concentration multiplying power is more than or equal to the high limit or the chloride ion is more than or equal to the high limit or the alkalinity is more than or equal to the high limit or the calcium ion is. Monitoring the concentration of circulating water P on an online P meter 5, and adjusting the dosage of a scale and corrosion inhibitor metering pump 16 according to the target value of the set P; the cooling tower water replenishing flow meter 12 continuously monitors the instantaneous flow and the accumulated flow of the replenishing water to control the opening time of the scale inhibitor metering pump 16; two PH meters 4 are arranged on the circulating water pipeline, and the automatic acid adding pump 15 is controlled by combining the difference value between the on-line PH value and the target value of the two monitoring points according to the upper and lower limit values of the PH monitored by the two PH meters 4.
The utility model provides a control relies on current conventional computer program, need not design new computer program.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification made by the above embodiments.
Claims (6)
1. Accurate water conservation transmission control system of cold thermal power generating unit of humidity based on loRa intelligence is wireless, its characterized in that: including centralized control center server, water quality monitoring gathers the part, water discharge collection, equipment operation parameter gathers the part, cooling tower pond water level gathers the part, add the medicine blowdown part, water quality monitoring gathers the part, water discharge collection, equipment operation parameter gathers the part and cooling tower pond water level and gathers the part and install the corresponding position at thermal power plant's circulating water pipeline, water quality monitoring gathers the part, water discharge collection, the signal that equipment operation parameter gathers part and cooling tower pond water level and gathers the part and all transmits to centralized control center server through loRa intelligence wireless gateway, centralized control center server passes through loRa intelligence wireless letter gateway and adds medicine blowdown part control connection.
2. The accurate water conservation transmission control system of wet cold thermal power generating unit based on loRa intelligence is wireless according to claim 1 characterized in that: the water quality monitoring and collecting part comprises a residual chlorine meter, a conductivity meter, a pH meter and an online P meter.
3. The accurate water conservation transmission control system of wet cold thermal power generating unit based on loRa intelligence is wireless according to claim 1 characterized in that: the drainage flow rate collecting part comprises a drainage instantaneous flowmeter and a drainage accumulative flowmeter.
4. The accurate water conservation transmission control system of wet cold thermal power generating unit based on loRa intelligence is wireless according to claim 1 characterized in that: the equipment operation parameter acquisition part comprises a power meter of a generator set, a circulating water pump ammeter, a blower inlet air temperature meter, a condenser inlet water temperature meter and a cooling tower water replenishing flow meter.
5. The accurate water conservation transmission control system of wet cold thermal power generating unit based on loRa intelligence is wireless according to claim 1 characterized in that: the cooling tower pool water level acquisition part comprises a cooling tower pool water level meter.
6. The accurate water conservation transmission control system of wet cold thermal power generating unit based on loRa intelligence is wireless according to claim 1 characterized in that: the dosing and sewage discharging part comprises a sterilization metering pump, an acid adding pump, a scale and corrosion inhibitor metering pump and a sewage discharging valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922036389.6U CN211264115U (en) | 2019-11-22 | 2019-11-22 | Accurate water-saving transmission control system of wet-cold thermal power generating unit based on intelligent wireless LoRa |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922036389.6U CN211264115U (en) | 2019-11-22 | 2019-11-22 | Accurate water-saving transmission control system of wet-cold thermal power generating unit based on intelligent wireless LoRa |
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| CN211264115U true CN211264115U (en) | 2020-08-14 |
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| CN201922036389.6U Active CN211264115U (en) | 2019-11-22 | 2019-11-22 | Accurate water-saving transmission control system of wet-cold thermal power generating unit based on intelligent wireless LoRa |
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| CN (1) | CN211264115U (en) |
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- 2019-11-22 CN CN201922036389.6U patent/CN211264115U/en active Active
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