MINI Automatic plate heat exchanger and cooling system intelligent monitoring Alfa lava and APV

INTRODUCTION: Jinlong plate heat exchanger transfers heat between warm side and cold media. The media are separated by a metal plate wall with polymer gasket seals. The compressed plates form flow channels through which the medium passes. Heat transfer takes place through the plate wall. The counter current flow together with a plate design that induces evenly distributed turbulent flow in the liquid streams, thin plate material and plate-to-plate contact ensure highly efficient heat transfer and minimum pumping costs.   Production formation:   Make-up pump   l With functions of variable frequency constant pressure water inlet, a simple man-machine interface, simple operation analysis, artificial intelligence controls algorithm, requires the user to set less parameter to keep stable.   l Our machine can automatically switch the standby pump regularly to prevent the spare pump for a long time without rust.   l Our machine can set two filling water pressure and the system of dynamic and static pressure in the circulation pump can automatically switch start or stop.   l The function of automatic self-protection, our machine can stop automatically when water tanks Lack of water to prevent pump idling.   l  The function of automatic drainage, the system in the thermal expansion can automatically open pressure solenoid valve to pressure relief       Circulating pump   l Circulating pump controls pressure by the system of automatically frequent conversion. According to the second circuit supply, return water pressure or supply pressure our machine automatically adjust the rotated speed of circulating pump to ensure the second circuit outlet pressure ,temperature of the supply and return water pressure stable.   l Our machine can control three circulation pumps automatically. When a circulating pump cannot meet the second circuit supply pressure (or flow) requirements, the system will automatically change a circulating pump from the variable frequency to work frequency state, and then our machine will use the second circulating pump. If two pumps cannot satisfy the system requirements, our machine will start the third pump into work frequency conversion.     l  When outside thermal load are decreased, the system will stop the circulating pump in turn to keep pressure and temperature normal, which lead the Variable flow of second circuit to realize automatic adjustment and achieve automatic and energy saving effect. Because our machine adopts the technology of frequency conversion, the operate of high power cycle pump is controlled by frequency conversion, no surge, the power grid of heating pipe network pressure shock, also greatly reduces the damage rate of the pipes, valves, heat exchange station power transformer capacity requirements at the same time also greatly reduced, saving investment and maintenance costs.     A net flow regulating function of control system   l Because regulator valveopening of the primary circuit is automatically controlled by the temperature of the second circuit, the outlet temperature of second circuit is stable.   l Automatically compensatory system adjusts to outside temperature. According to the change of outside temperature, our machine automatically adjusts the outlet temperature of the second circuit. The outside temperature is higher, the outlet temperature of the second circuit less lower. The outside temperature is lower, the higher the outlet temperature of the second circuit.     l  The operator can adjust the flow regulating valve opening by computer controller.   l  The operator can set energy saving mode and set period of time by man-machine interface       SMS fault remote alarm functions   l  Unattended heat exchanger station needs to be equipped with automatic fault alarm. After equipped with SMS remote fault alarm system, the automatic system will send messages including equipment trouble to one or more phones so that maintenance personnel can deal with trouble in time. System can detect failures including the inverter failure; Pump failure; Fill the tank water shortage; Circulation pump failure, etc       Sensor fault protection and control function   l  With functions of temperature sensor short-circuit and single-line display Chinese characters.   l  With pressure sensor bolt system protection function, the system can automatically detect break state by pressure sensors in order to prevent filling water pressure is too high to break down pipes and heating equipments.     The automatic fault diagnosis function   l  Automatic fault diagnosis function. When make-up water pump overpressure, the protection system automatically stop the pump according to the set pressure.   l  When circulating pump or make-up water pump break down, the system automatically switch standby pump in order to keep system normal.     l  When make-up water tank water shortage, the system will stop the pump automatically.   l  The system will alarm when the system over temperature more than set temperature and the system will automatically close the valve in order to ensure normal temperature system.       Benefit analysis   l  The central heating energy consumption is influenced by many factors including equipment operation and equipment adjustment reaction. Joylong developed automatic unattended heat exchanger unit that fundamentally solved the two key issues. Our machine can control the way of operation,constantly monitor outdoor temperature and adjust the secondary outlet temperature and flow rate.   l The control system adopts the imported products, mature control technology and multiple working modes. After the test, the same central heating system using energy-saving control system can save energy about 15% more than without using the energy-saving control system.     Select mode    

Automatic heating unit model selection table(steam-water)
Unit model QBJ/Q-	HTM steam at a time 95℃/70℃ water		Plate heat exchanger	Circulating pump			Make-up pump			Boundary dimension	Weight Kg
	Heating area ×10^4/m^2	Heating load Kw	Model	Flux 10^3/h	Lift m	Power Kw	Flux 10^3/h	Lift m	Power Kw	Length*width*high
QBJ/Q-3	0.4	240	BR01-3	9-16.2	30-50	3-4	3	30-50	0.75-4	2.8*1.0*1.8	2500
QBJ/Q-5	0.6	400	BR01-5	9-16.2	30-50	3-4	3	30-50	0.75-4	2.8*1.0*1.8	2500
QBJ/Q-8	1.0	640	BR02-8	18-35	30-50	5.5-15	3	30-50	0.75-4	2.8*1.0*1.8	2500
QBJ/Q-10	1.3	800	BR02-10	18-35	30-50	5.5-15	3	30-50	0.75-4	2.8*1.0*1.8	2500
QBJ/Q-15	2.0	1200	BR02-15	32-65	30-50	7.5-15	6.5	30-50	2.2-4	3.0*1.0*2.0	3000
QBJ/Q-20	2.6	1600	BR03-20	72-126	30-50	7.5-30	6.5	30-50	2.2-4	3.0*1.0*2.0	3000
QBJ/Q-30	4.0	2400	BR03-30	72-126	30-50	7.5-30	6.5	30-50	2.2-4	3.0*1.0*2.0	3000
QBJ/Q-40	5.3	3200	BR06-40	120-200	30-50	18.5-37	6.5	30-50	2.2-4	3.0*1.0*2.0	3000
QBJ/Q-50	6.6	4000	BR06-50	120-200	30-50	18.5-37	9	30-50	3-5.5	3.2*.1.2*2.0	4000
QBJ/Q-60	8.0	4800	BR06-60	120-200	30-50	18.5-37	9	30-50	3-5.5	3.2*.1.2*2.0	4000