Susisiekimo forma

HDPE vamzdžiai sukuria efektyvią vandenį taupančią drėkinimo sistemą

Pasaulyje didėjant vandens trūkumui, efektyvios vandenį taupančios drėkinimo sistemos tapo pagrindine žemės ūkio paklausa, apželdinimas, ir komunalinės inžinerijos. As a producer of HDPE vamzdžiai with 20 metų patirtį pramonėje, we have summarized the golden rule of system design centered on HDPE pipes based on practical data from over 300 water-saving irrigation projects. This article will reveal how to increase irrigation efficiency by 30% and reduce leakage risk by 50% through scientific pipe network layout.

Advantages of HDPE pipes
Advantages of HDPE pipes

Why are HDPE pipes the core of water-saving irrigation systems?

1. Comparison of measured data: HDPE pipes vs. Traditional pipes

Leakage rate comparison: Cast iron pipe leakage rate > 12% per year, PVC pipe joint leakage rate 8%, HDPE hot melt welding achieves zero leakage (National Water Resources Research Institute 2023 data)

Tarnavimo laikas: Ordinary PVC pipes have a lifespan of 8-10 metų, while HDPE pipes have a lifespan of up to 50 years in an environment of -60 °C iki 60 °C

Flow retention rate: DN200 pipe has a pressure loss rate of only 3.2% over 20 metų (certified data by German TUV)

2. Core advantages of HDPE pipes

Molecular-level sealing: Hot-melt welding forms molecular chain fusion, completely eliminating the risk of leakage at the interface

Dynamic pressure resistance: CRA pressure curves show that HDPE pipes can withstand 2.5 times instantaneous water hammer impacts

Terrain adaptability: 1500D bending radius enables seamless installation in complex terrains

Ecological safety: FDA food grade certified, heavy metal leaching < 0.001ppm

Five important rules for designing Water-saving irrigation systems

Rule 1: Three-level pressure zoning control

High-pressure zone (> 0.6MPa) : The main pipe is made of SDR11 series HDPE pipe with a wall thickness of ≥12.3mm

Medium pressure zone (0.4-0.6MPa) : Branch pipes of SDR13.6 specification, equipped with pressure-compensating drippers

Low-pressure area (< 0.4MPa) : The capillary network uses labyrinth drip irrigation tape with a working pressure of 0.1MPa

Rule 2: Precise hydraulic calculation model

Calculate head loss along the way using the Hazen-Williams formula:

  \ [h_f = 10.67 \ \ times times L Q ^ {} 1.852 / (C ^ ^ 1.852} {\ times D 4.8655} {) \)

  (C value is 150, HDPE pipe roughness 0.007mm)

Rule 3: Intelligent irrigation parameter configuration

Crop typeIrrigation intensity (mm/h)Water demand per day (m³/ mu)Suggested pipe diameter
Greenhouse vegetables6-82.5-3.2DN50
Fruit trees4-61.8-2.4DN65
Lawn10-123.5-4.2DN40
HDPE PIPE FITTINGS IN WATER SUPPLY
HDPE PIPE FITTINGS IN WATER SUPPLY

Practical Tips for HDPE Pipe Layout (with 3D layout diagram analysis)

Tip 1: Terrain adaptive topology algorithm

Usecontour line encirsionfor pipe layout on slopes, and install pressure relief valves when the slope is greater than 15°

A “fengshaped pipe network is implemented on the flat ground, with the spacing of branch pipes in a ratio of 1.2:1 to the range of nozzles

Tip 2: Key points for quality control of hot melt welding

210±5 ° C fusion temperature maintain pressure 0.15MPa

Heat absorption time = Pipe wall thickness (mm)×10 seconds, cooling time ≥ wall thickness (mm)×1 minute

Tip 3: Dynamic expansion compensation design

Set up Ω compensators every 50 metrų, with a 5% extension allowance

The fixed piers are cast in C25 concrete, with dimensions = 3 times the pipe diameter

Practical case: 

A 3,000-mu cotton field project in Xinjiang achieved a 43% water saving and a 22% increase in yield per mu by using SDR17 series HDPE pipes and pressure-compensating drip irrigation tapes. The pipe network layout adopted thethree levels and four zonesmodel, with the main pipes laid along the field ridges and the branch pipes spaced 56 metrų, corresponding to a sprinkler range of 47 metrų.

Four innovative combinations of the intelligent irrigation system

1. Integration of Internet of Things monitoring systems

Install soil moisture sensors every 200 metrų

The electric valve is linked to the SCADA system with an error of less than 0.02MPa

2. Anti-clogging technical solution

Install a 120-mesh laminated filter at the head

The main pipe is designed with a 0.5% slope and a drain valve every 100 metrų

3. Configuration of solar pumping stations

5kW photovoltaic system drives pipeline booster pump

With energy storage battery for 24-hour pressure stabilization

PE vamzdžiai ir jungiamosios detalės
HDPE pipes and fittings

HDPE pipe selection guide with 20-year warranty

Quick reference table for selection parameters

ItemsStandard valuesDetection method
Melt flow rate0.2 0.4 g / 10 minGB/T3682
Longitudinal retraction rate≤3%GB/T6671
Oxidation induction time≥20minGB/T19466.6

Special reminder: Make sure to recognize the blue band marking. The density of PE100 grade raw materials should be ≥0.948g/cm³ to ensure compliance with the national standard GB/T13663.

Tiekėjas

Luoyang Datang Energy Tech Co., Ltd. yra pirmaujantis Kinijos gamintojas, kurio specializacija yra aukštos kokybės plastikiniai vamzdžiai ir jungiamosios detalės. Įrengtas moderniausias automatizuotas gamybos linijas ir palaiko komanda 200 profesionalai, Mes siūlome plačią produktų liniją, kurią sudaro daugiau nei 150 types of plastic pipes and fittings designed for water supply and drainage systems, dujų perdavimo, ir grindų šildymo sistemos. Mūsų pagrindiniai produktai yra PVC vamzdžiai ir jungiamosios detalės, PE (HDPE) Vamzdžiai ir jungiamosios detalės, PPR vamzdžiai ir jungiamosios detalės, ir PEX grindų šildymo vamzdžiai.

Jei turite klausimų dėl PVC vamzdžio & PE Pipe in Agricultural Irrigation, nedvejodami susisiekite su mumis!

Tel.:0086-183 3790 0677

Wechat: 0086-183 3790 0677

Whatsapp: 0086-183 3790 0677

El. paštas: sales@pipesandfittings.net

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