Liu Dongjie 130139898526 E601B Type Surface Evaporator
FZ-01P Model Water Surface Evaporation Observation Digital Platform System Equipment (20-meter Evaporation Pool)
Introduction:
The FZ-01P type surface evaporation observation digital platform system (hereinafter referred to as the "Digital Platform" system or "System") is a complete set of equipment for automatic surface evaporation observation, suitable for 20m², 5m², and 1m² evaporation ponds. It includes: FFZ-01 digital surface evaporation gauge, JFZ-01 digital rain gauge, numerical control overflow well, numerical control water tank, data acquisition and control box, matching circuit and water facilities, and host computer system, etc.
This digital evaporation observation platform meets all technical specifications required by the Ministry of Water Resources and Electric Power's "Water Surface Evaporation Observation Standard" SD265-88 and the China Meteorological Administration's "Ground Meteorological Observation Standard" (2003 edition), and is currently the platform with the highest resolution, measurement accuracy, and level of automation for water surface evaporation observations.
2. System Composition, Working Principle
Equipment List for System Composition is shown in the table below
System Equipment Inventory List
Serial Number
Model Name
Primary Technical Specifications
Note
1
FFZ-01 Digital Water Surface Evaporation Meter
Resolution: 0.1mm
2
JFZ-01 Digital Rain Gauge
Resolution: 0.1mm
3
Digital Overflow Drum
Resolution: Water Evaporation Equivalent ≤ 0.01mm
4
Well logging
Φ360mm x 870mm (1 m² and 5 m² evaporation ponds)
Φ618mm x 870mm (20 sq. m evaporation pond)
5
交流潜水泵 Models B1, B2
Flow rate ≥ 40 liters/min (for a 20m² evaporation pond)
Flow rate ≥ 10 L/min (5 m² evaporation pond)
Flow rate ≥ 2 L/min (1 m² evaporation pond)
6
Numerically controlled water filling tank
Water Reservoir
Volume: 2 m³
Water Tank (Reservoir) Provided by User
Communication Submersible Pump B3
Flow rate: (2-40) liters/minute
7
Harvest Control Box
8
Host Computer System + RS485 Communication Interface
9
Power System
10
Evaporation Pond
20m2、5 m2、1 m2
Customer-supplied
System equipment and on-site installation are illustrated in Figures (1), (2).
System Working Principle: The Water Surface Evaporation Observation Digital Platform System utilizes evaporation gauges, rain gauges, and overflow buckets as basic observation instruments. It automatically collects, processes, and displays information on evaporation, precipitation, and overflow processes, and controls the replenishment and drainage of evaporation ponds and overflow wells. The collectors are connected to the supervisory control and data acquisition (SCADA) system and data transmission communication machines (RTUs) via RS485/232 communication interfaces. With the system's accompanying application software, remote monitoring and data compilation for water surface evaporation process information can be achieved and stored in a database.
The water level of the evaporation pond within the operational digital evaporation observation platform should be maintained at the water level marker line. On days without precipitation, the collector automatically collects the change in water level within the evaporation pond to calculate the evaporation amount. Whenever the water level within the evaporation pond drops to the agreed value (10mm below the water level marker line), the collector controls the补水泵B3 (water replenishment pump) to operate at the boundary moment of the observation day (hydrological boundary day at 8:00, meteorological boundary day at 20:00), automatically refilling the pond to restore the water level to the marker line height. Then, using the height after replenishment as the starting point, the evaporation amount for the next period is measured.
On days with precipitation, when the water level in the evaporation pond rises to the agreed-upon level (10 mm above the water level marker), the collector drives pump B1 to function, allowing water from the evaporation pond to flow into the overflow well. The overflow process ends when the water level in the overflow well reaches the agreed-upon level. After the collector collects and calculates the overflow volume data, it starts the overflow well drainage pump B2 to discharge the water from the overflow drum to the agreed-upon base water level.
According to the "Specification for Surface Evaporation Observation" and the "Specification for Ground Meteorological Observation" of the National Meteorological Administration, the calculation formula for evaporation is:
Evaporation volume = (Evaporation Pond Water Level Measurement - Starting Water Level) + Precipitation - Overflow Quantity
The above expression can be simplified to:
QF =（Wt-W0）+Qj-Qy
In the formula: QF: represents the water surface evaporation amount, unit: mm
Wt: Represents the evaporative pond water level at measurement time (t), unit: mm
W0: Represents the initial evaporation pond water level, unit: mm
The Wt and W0 values are automatically measured by the FFZ-01 digital water surface evaporation gauge.
Qj: Represents the precipitation amount during the measured period; the Qj value is provided by the JFZ-01 digital rainfall gauge, unit: mm
Qy: Indicates the overflow volume during the measured period. The Qy value is automatically measured by the CNC overflow well, unit: mm.
3. Key Performance and Technical Parameters:
3.1 Evaporation Pond Water Surface Fluctuation:
Water level standard line: ±20mm
3.2 Resolution:
Evaporation Volume Measurement Resolution: 0.1mm
b. Precipitation Measurement Resolution: 0.1mm
c. Overflow Flow Measurement Resolution: ≤0.01mm
3.3 Measurement Accuracy:
a. System measurement error (δF) under no precipitation:
δF=δf
In the formula, δf represents the measurement error of the digital evaporation gauge, δf ≤ ±3%.
b. With precipitation but no overflow:
δF=δf±δj
The term δj in the formula refers to the measurement error of the JFZ-01 digital rainfall gauge.
δj ≤ ±0.2mm (when precipitation ≤ 10mm)
δj ≤ ±0.2mm ±1% FS (when rainfall ≥ 10mm)
c. With precipitation and overflow occurring:
δF=δf±δj±δL
The equation states that δf ≤ ±0.02mm*N, where N is the overflow well drainage frequency.
3.4 Collector Clock Accuracy: 4 minutes/month
3.5 Host Computer Function:
Data Table Format:
(1) Evaporation, Precipitation, and Overflow Volume Information Display (Monthly Report, Annual Report)
(2) Water Surface Evaporation, Precipitation, and Overflow Volume Curves (Monthly and Annual Curves)
(3) Monthly and Annual Column Charts of Water Evaporation, Precipitation, and Overflow
(4) Water Surface Evaporation, Precipitation, and Overflow Volume Bar Charts (Monthly Bar Charts, Annual Bar Charts)
(5) Alarm Information: Equipment Status (Leakage) Alarm, Power Voltage Alarm
4. Equipment Installation (details omitted)
4.1 Infrastructure
4.2 Instrument and Equipment Installation
5. Usage and maintenance of system equipment (omitted)
5.1 Pre-operational debugging and inspection
5.2 Pilot Run Record
5.3 Use and Maintenance
6. Troubleshooting (Details Omitted)
Integrated Rainfall Station with compact and integrated design, suitable for wide applications in hydrological remote sensing systems, flash flood early warning systems, and field condition remote sensing systems. This product features a highly integrated design, combining a rain gauge, hydrological terminal, communication terminal, solar power source, and backup power supply into an organic whole, enabling automatic rainfall monitoring and reporting. It boasts features such as simple technology, easy installation, reliable functionality, broad applicability, and high measurement accuracy, making it an ideal automated rainfall monitoring system for harsh outdoor environments.
Technical Features
Integrated structure design, easy installation, and low cost.
◆ Supports data resuming from last breakpoint and remote reading of historical data.
Intelligent equipment with self-diagnosis, self-detection, and self-monitoring capabilities.
Primary Functions
Rain gauge resolution is customizable, and water level sensors can be added as options.
◆ Equipped with communication methods such as GPRS/SMS, satellite, and wireless (shortwave radio), it offers dual communication channels with mutual backup.
Supports multi-center work mode, capable of sending data to up to 6 centers.
Supports scheduled self-reporting, event self-reporting, and call-me-back communication methods.
◆ Large local storage capacity, capable of reading recorded data from any time period at the center.
The system can be configured for data transmission modes and frequency of data reporting via software settings and remote settings.
◆ Input/Output Interfaces: Offers analog, switch, and digital input interfaces, capable of connecting with sensors such as hopper rain gauges and water level gauges simultaneously. It can control external devices, with all interfaces featuring photoelectric isolation.
Power management utilizes low-power control, is powered by a solar float-charging battery system, and supports sleep-wake operation mode.
◆ Features include timed self-inspection and sending, automatic reset on system crash, site address setting, power failure data protection, real-time clock calibration, and equipment testing.
◆ Features power voltage and working environment temperature detection, enabling condition report and retrieval functions.
We offer TCP/IP connections through this channel. Suitable for applications such as internet connections and data transfer. The network platform ensures transparent transmission of data information and takes into account the networking needs of various departments, implementing a virtual data network in the network structure. Particularly suitable for centralized to multi-point, widely dispersed transmission of small to medium-sized data volumes.
Above is the detailed information of the integrated rain gauge station. If you have any questions about the price, manufacturer, model, or images of the integrated rain gauge station, please contact us for more information on the integrated rain gauge station.
