Since the irrigation inside the intelligent greenhouse mostly adopts the mode of water and fertilizer integration, the integration of water and fertilizer has the effect of saving water and fertilizer, which is an inevitable trend of modern agricultural irrigation in the future. Therefore, the integration of water and fertilizer has high requirements for water quality, so how should the filter be selected?
The water and fertilizer and agent required for crops are transported through drippers, so the stability and uniformity of drippers are more important indicators in the entire water-saving irrigation system; The high-quality irrigation filter can help you reduce or even remove the sand and gravel impurities in the water source, and further reduce the anti-blocking requirements of the dripper for impurities.
The rational design and good application of the filtration system, the core elements are adapted to local conditions and water.
- Understanding the source of the local water source and the characteristics of the suspended solids in the water body, refers to what kind of water source is used as a water source for irrigation, is it underground well water, or surface lake reservoir water, because the water source is not the same, the suspended solids in the water body will be different, the impurity concentration will be different, and even the sunshine, wind direction, and water intake location will affect the changes of the suspended impurities.
- Clarifying the requirements of drip irrigation pipe for the water quality treatment of the filtration system refers to the length of the drip irrigation pipe layout, the pressure change range, and the flow size of the irrigation design configuration, which also determines the selection of the filtration system.
- Understanding the necessary conditions for the normal operation of various filters means that the design and application of a filtration system must first understand the working principle and operating conditions of various types of filters, and then design and select different filtration methods to form a system according to the requirements of on-site water source conditions.
- For example, the particle size of the sand filter, the depth of the filter medium, the pressure loss of the operation, the strength of the backwash, the applicable filtration flow, etc. Each of these items affects the proper functioning of the filter unit.
- Another example is the low working pressure of mesh filter and laminated filter, filter material, and effective filtration area of these technical indicators, these are the basic elements of filter operation, if you do not understand, simple blind configuration, the filtration system can not achieve good application goals.
