The main factors affecting the power consumption of electric hotbeds in our country are the setting of ground temperature, the original ground temperature and air temperature(cheap plastic flower pots wholesale suppliers oman). When the electricity consumption of the electric heating wire is measured separately, the electric industry department must install a watt-hour meter(15cm plastic plant pots).
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Therefore, the northern cold area should be located in the heating greenhouse, the northern warm area should be located in the sun and the south In the arch shed(plastic hanging baskets wholesale), leave the front corner of the greenhouse or around the arch shed, and a little farther away from the door to save electricity(cheap plastic flower pots wholesale suppliers oman). Under good management conditions, Asura is less susceptible to disease and is less likely to be attacked by harmful animals.
If a 10 watt electric heating wire is selected, and the power is 125C/m2, then the area of the electric hotbed = 1000 watts ÷ 125 watts/m2 = 8 m2, and an 8 m2 seedbed is prepared to lay the electric heating wire(cheap plastic flower pots wholesale suppliers oman). Even if it is sown, it will not hurt the seedlings when starting the line(72 cell seed trays). Because the contacts are exposed, sparks are generated when they are switched on and off to prevent electric shocks and fires.
One is to lay the seedling bed with ten lines, and the electric heating line is not covered with soil(black plastic ground cover). If the electric heating wires used are all of the same power, the same group of wires are connected in parallel to form two total wires with one end and one end(16.5cm plastic plant pots). Those with constant temperature box can be used for germination(cheap plastic flower pots wholesale suppliers oman). The electric heating line can also be paved with an electric hotbed for sowing.
The cross-sectional area of the wire used should be determined according to the current size of the electric heating wire(polypropylene ground cover). Use more than 2 electric heating wires, and the second wire will also be knotted on this hanging column, and continue to lay the wire(cheap plastic flower pots wholesale suppliers oman). If the bed is made, the area of the electric heating bed shall be determined according to the total wattage of the electric heating wire and the power to be selected.
A temperature controller in the factory cannot load 2200 watts of power(50 cell plug flats). When the in-situ temperature is low, a thermal insulation layer should be laid under the electric heating wire, such as old straw bitter and benzene boards, which cover about 1 cm of dryness(12 cell seed trays). The north is warm. It absorbs heat during the day(cheap plastic flower pots wholesale suppliers oman). Repeatedly sow on the same electric hotbed, but the seedlings need to be removed before sowing.
Covering soil thickness The thickness of the covering on the electric heating wire is called the covering soil thickness(cheap plastic flower pots wholesale suppliers oman). In order to prevent the electric heating wires from contacting them, use a board to flatten the upper part and use old bamboo pipes or other frame materials as the hanging posts(18 cell seed starting trays). The outside of the bed is densely swing, and the middle is slightly thinner, so that the temperature is more uniform.
It is 120 meters long and the seedbed is 4 meters long(105 cell seed trays). In this way, about 15 back and forth in the bed, or 30 parallel lines, 15 lines for each bed(cheap plastic flower pots wholesale suppliers oman). The thickness of the covering soil can be divided into the following three situations. Then, the temperature controller directly controls the electric heating line, and the temperature controller directly controls the electric heating line(8 cell plug trays). It is OK to use single-phase power supply.
First, place the hanging posts on both ends of the bed, 15 per head of the bed(40 cell seed tray inserts). It should be pointed out that the two ends of each bed need to use 1 meter of wire, and the two beds need to use 2 meters of wire(cheap plastic flower pots wholesale suppliers oman). In this way, 30 equal-length lines cannot be laid exactly at 120 meters(11cm plastic plant pots). After the electric heating line is laid, connect the power supply with the temperature controller to test whether the operation is normal.
Direct sowing, so that the seeds and the electric heating wire are on the same level, and then cover the seeds and the electric heating wire with fine soil(20 cell plant trays). Power selection The power of the electric heating hotbed refers to the wattage of the electric heating wire per square meter, expressed in watts per square meter(cheap plastic flower pots wholesale suppliers oman). The northern cold area is used for breeding in severe winter. The power is 130~150 watts/square meter.
One temperature controller can load two 1000 watt electric heating lines, which is sufficient for general family gardens(seedling tray 128 holes). The connection method is shown in the figure. The effect of watering after starting the line is better(cheap plastic flower pots wholesale suppliers oman). Germination equipment includes germination chamber, germination box and simple germination equipment(128 cell seedling trays). Then connect the tails of the three groups of wires together and connect the power zero line.
In the season of low ground temperature, the treated seeds (such as medicament treatment, soaking seeds in warm soup, etc.) can be directly sown on the electric hotbed if there is no electric hotbed(32 cell tray). In order to save electricity or there is no electric hotbed, it is generally more appropriate to seed after germination(cheap plastic flower pots wholesale suppliers oman). The models of the temperature controller are different, and the connection method is not exactly the same.
In the severe winter, choose 110-130 watts/square meter, and in other cases, choose about 100 watts/square meter(200 cell seedling trays). This method needs to cover the prepared seedling bed about 70 cm on the electric heating line and sow on it(cheap plastic flower pots wholesale suppliers oman). Third, use the seedling tray to sow seeds. Put the seedling tray on the electric heating hotbed(40 cell plug tray). The warm water bottle can be used as a bud inducer, and about 50g can be sprouted at a time.
First cover the electric heating line with soil to prevent touching the electric heating line during operation and avoid the seedling tray from directly contacting the electric heating line(24 cell seed trays). The following simple equipment can be used to accelerate the germination of general family vegetable gardens(cheap plastic flower pots wholesale suppliers oman). Divide the electric heating line into 3 groups, and the power of each group shall be as consistent as possible.
When using, connect the wires according to the instructions, and use the three-phase four wire system of the temperature controller for power supply(pp woven ground cover). If there are many electric heating wires and large power consumption, use the three-phase four wire system for power supply. When starting the line, just gently lift it out of the bed surface, which saves labor and does not hurt the line(cheap plastic flower pots wholesale suppliers oman). We have tried for many years(6 cell seed trays).
The other three heads are respectively connected to the three lower contacts of the AC contactor, the upper contact of the AC contactor is connected to the three-phase knife switch with wires, and the power supply of the coil of the AC contactor is controlled by the temperature controller(cheap plastic flower pots wholesale suppliers oman). The drip hole of the hose must be upward, tightened and straightened, and the end shall be fixed with a bamboo stick(10cm flower pot).
The laying line takes a 1,000-watt electric heating wire as an example(cheap plastic flower pots wholesale suppliers oman). When the thermistor in the temperature sensing head senses that the temperature is high or equal to the set temperature value, the temperature controller automatically cuts off the power supply; When the temperature is lower than the set temperature value, the power supply will be turned on automatically(16cm plastic plant pot). It also acts as a temperature buffer.
The number of seeds in the warm water bottle is small(10.5 cm plant pots). The method: put the soaked seeds into a wet yarn cloth bag with a diameter of 2.8 ~ 2.9cm, hang them in a thermos with 1kg of 30 ℃ warm water, paste the other end of the cloth bag separately on the bottle mouth and plug the bottle cap(cheap plastic flower pots wholesale suppliers oman), Take out the cloth bag for ventilation for about 2 minutes every 12 hours, and adjust the water temperature to 30 ℃(4 cell seed starting trays).