The cost of greenhouse and precautions for use

The cost of greenhouse and precautions for use

What I want to say here is that a greenhouse is a greenhouse covered with all-glass materials. Due to its high light transmittance and use time, it has been favored by Chinese facility agriculture growers in recent years. What is the cost of this type of greenhouse? What should be paid attention to in construction and use?

1. Cost

We need to decide on the style of the greenhouse. At present, the greenhouse model in the Netherlands is mainly without external shading, and my country has an external shading model. Dutch-style greenhouses generally use anti-reflection glass and aluminum alloy gutters on the top, but single-layer glass is still used around my country, which has poor thermal insulation effect and high energy consumption. The comprehensive cost of this kind of aluminum alloy gutter anti-reflection greenhouse is 300~400 yuan / square meter, depending on the height and area of the greenhouse, because the skeleton materials in different regions are too different.

Greenhouses in our country. The top of the greenhouse is made of ordinary 5mm tempered glass, and the surrounding areas are made of hollow tempered glass, which has a good thermal insulation effect. The greenhouses in our country use iron drainage ditch, and the top adopts external shading system. From the perspective of height, area and area, the price of this kind of greenhouse is between RMB280-RMB360  / square meter.

2. Problems that should be paid attention to in the construction of greenhouses

(1) The strength of the skeleton structure should be high

Since the self-weight of 5mm glass is 12.5kg per square meter, which is relatively large, it is necessary to consider strengthening the skeleton structure when making the skeleton. The main stress components of the frame are columns, trusses and gutters.

(2) Iron groove corner

The problem encountered in many installations is that the angle of the gutter and the angle of the aluminum alloy herringbone beam cannot be exactly the same. This requires a good measure of the angle of the blanking groove.

(3) Customized glass size

The glass on top of the greenhouse is different from the solar panel. Sun panels are plastic structures. The size is a few millimeters away, you can cut it. However, top tempering cannot be used for secondary cutting fine-tuning, so the glass numbering on the top needs to be accurate, with an amplitude of a few millimeters.

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