Square Design Alkaline Electrolysis Process

1000 Nm³/h Square AWE Equipment

① Easy to operate and maintain

Sealed by hydraulic extrusion, disassembled and assembled on site, and quick maintenance time

② Modular design

Independent single-chamber unit, expandable single cells, and connectable multiple cells

③ Low power consumption

Zero-gap design, pure nickel electrodes, and high conductivity

④ High reliability

Double safety insurance with hydraulic automatic control and multi-point mechanical locking, high-strength mechanical support frame, and independent liquid inlet and outlet of the single chamber to ensure uniform temperature field

1.Hydrogen production 1000Nm³/h

The rectangular AWE system features an impressive output, achieving hydrogen generation rates of up to 1000 Nm³/hour per unit. This remarkable capacity serves the dual purpose of satisfying the intensive hydrogen needs across multiple usage contexts and propelling the expansion of the hydrogen energy market to broader scales.

2. DC power consumption: 4.1~4.3 kWh/Nm³

Effective energy transformation stands as a pivotal metric in assessing the performance of alkaline water electrolysis units. The DC electricity usage of our electrolyzer is maintained between 4.1 to 4.3 kWh/Nm³, facilitating an efficient energy application. This not only cuts down the cost of producing hydrogen but also aligns with the principles of sustainable, clean energy development.

3. The purity of hydrogen before purification is more than 99.8%

This square AWE device guarantees a pre-purification hydrogen purity exceeding 99.8%, ensuring the hydrogen quality satisfies diverse application requirements.

4. After purification, the purity of hydrogen is more than 99.999%

Leveraging sophisticated purification methods, the electrolyzer achieves a post-purification hydrogen purity greater than 99.999%. This high level of purity makes it extensively applicable in sectors like fuel cells and energy generation, aiding the advancement of clean energy solutions.

5. Working pressure: 0.5MPa

This square AWE system operates at a working pressure of 0.5 MPa, representing a technological breakthrough that enhances the outlet pressure of the electrolyzer. This not only guarantees the equipment's safe functioning but also makes it versatile for a range of hydrogen application scenarios, thereby broadening the scope of hydrogen's utility across various fields.

6. Working temperature: 85±5℃

The electrolyzer functions within an optimal temperature range of 85±5°C, creating an ideal condition for effective hydrogen generation. This stable and flexible operational temperature range contributes to enhanced hydrogen output and quality, facilitating improved production efficiency.

7. Power fluctuation range: 10-120%

The AWE device is designed to handle a broad range of power fluctuations, operating reliably under conditions that vary from 10% to 120% of its rated capacity. This adaptability to diverse electrical supply scenarios significantly enhances the equipment's resilience and dependability.

8. Cold start time ≤ 35min, hot start time ≤ 5min

This electrolyzer achieves a cold start in 35 minutes and a hot start in just 5 minutes. Such rapid start-up capabilities enhance the equipment's responsiveness, making it highly suitable for applications requiring frequent starts and stops, thereby boosting its adaptability in dynamic operational environments.

9. Designated service life: 8000h

The 1,000 Nm³/h AWE system has undergone thorough design and testing phases, boasting a projected service lifespan of up to 8,000 hours. This robust construction minimizes the need for frequent equipment replacements and cuts down on maintenance expenses, offering a dependable and cost-effective solution for users.

Why us?

• SANY Hydrogen Energy Co., Ltd. (hereinafter referred to as "SANY Hydrogen Energy") was founded in 2022, which is a wholly-owned subsidiary of SANY International. Relying on the experience and accumulation of SANY Group in equipment manufacturing and intelligent manufacturing, SANY Hydrogen Energy supports the transformation and upgrading of the new energy industry in China,, which now has built a 2GW automated hydrogen energy equipment production line and China's largest testing platform for electrolyzers. Headquartered in Changsha, Hunan Province, SANY Hydrogen Energy is committed to becoming the world's leading hydrogen energy equipment solutions provider, with one R&D and Testing Center built in Beijing.
• SANY Heavy Industry (600031.SH), as a core member of the parent company SANY Group, was listed on July 3, 2003. It is the first enterprise in China to successfully implement the split share structure reform and achieve full circulation. In July 2011, SANY Heavy Industry was shortlisted for the first time in the FT Global Top 500 by market value, becoming the only Chinese construction machinery company on the list. Besides, another two members of SANY Group were also listed: SANY Heavy Energy (688349.SH) and SANY International (00631.HK). On May 13, 2021, SANY Heavy Industry was shortlisted for the Forbes Global 2000 list, ranking 468th. It was among the top 500 global companies for the first time. It is the first engineering machinery company in China and second in the world on the list. SANY Group has been on the list of "China's Most Admired Companies" released by Fortune Magazine for twelve years in a row, and ranked the first among companies in the manufacturing industry for four years in a row.
• SANY Group, as a world-class equipment manufacturer, vigorously promotes the "low-carbon" strategy and comprehensively extends its scope to new energy sector integrating wind energy (Sany Heavy Energy), solar energy (SANY Silicon Energy), hydrogen energy (SANY Hydrogen Energy) and energy storage (SANY Lithium Energy) to form a closed-loop industrial chain from hydrogen production, to storage, transportation and refueling to realize the large-scale application scenarios for the a comprehensive "green power and green hydrogen" solution for the development of a zero-carbon world.

Advantages

■ We have the advantage in the large-scale hydrogen production from wind, solar and green power.

To meet the demand for new scenario of large-scale hydrogen production from wind, solar and green power, we have developed the hydrogen production equipment with a capacity of 1,000 Nm³/h and the all-in-one hydrogen production system made up of four 1,000 Nm³/h units by selecting core materials such as highly active and stable electrodes, membranes with high air tightness and low surface resistance, modified PTFE sealing gaskets, and using CAE simulation for the analysis and optimization of the flow field structure of the electrolyzer, of which the key parameters rank top in China. In 2023, we won a bid for Da'an Wind and Solar Green Hydrogen Synthesis Ammonia Integration Demonstration Project of Jilin Electric Power Co., Ltd., which involved two all-in-one hydrogen production systems made up of four 1,000 Nm³/h units each, as a significant supporting force for the operation of the Project.

■ We have the advantage in independently developed and manufactured BOP systems.

We conduct the R&D and design of BOP system on the basis of chemical engineering calculation data, which aims for easy installation, reliable operation, safe work, and a shorter period of installation, to ensure that the BOP system is highly adaptable to fluctuating operating power during the hydrogen production. The development and experimental verification of 100 to 6,000 Nm³/h separation and purification systems are completed, which are applied in a number of market projects. Customized BOP system services are available to meet the specific needs of customers.

■ We have built and put into operation a 20MW-class all-in-one electrolyzer testing platform covering performance testing, control optimization, reliability verification and other functions, which has passed HAZOP, SIL, QRA and other safety assessments and lightning protection risk assessment.

This platform can fully meet the needs for comprehensive tests of alkaline electrolyzers and BOP systems, which has run for thousands of hours in total, providing important data support for the prompt verification and iterative upgrading of electrolyzers, BOP systems and auxiliary equipment products.

■ We have the advantage in intelligent manufacturing of large-scale equipment.

Relying on the advantages of SANY Group in intelligent manufacturing and quality assurance systems, we have built automated production lines for 2GW electrolyzers, being the first to make a breakthrough in the core processes of automatic feeding, automatic argon arc welding, automatic resistance welding, pipe prefabrication and high-precision stacking, which has significantly improved the manufacturing quality of hydrogen equipment. We have established a comprehensive manufacturing process standard guidance system covering the entire process of hydrogen equipment manufacturing to ensure that the process meets the regulatory requirements.

■ We have the advantage in synergy of wind power, solar power, hydrogen, stations and vehicles.

As guided by the low-carbon strategy of SANY Group, SANY Hydrogen Energy (hydrogen production equipment and hydrogen refueling equipment) works closely with SANY Renewable Energy (wind power and large-scale hydrogen production from green power), SANY Silicon Energy (photovoltaics) and SANY Heavy Truck (electric vehicles and hydrogen fuel cell electric vehicles) to form a closed loop of the low-carbon industry. SANY Hydrogen Energy are not only capable of R&D and manufacturing of hydrogen energy equipment, but also accessible to big data of wind power and photovoltaic power, laying a solid foundation for the development of the hydrogen production system from green power, and continuous upgrading of cluster control strategy, which facilitates providing customers with more sophisticated and economic solutions for integrated green hydrogen production and utilization to promote the high-quality development of the entire industry.

SANY Hydrogen Energy GW-level Package Solutions.

The GW-level Hydrogen Production Solutions include 66 large-scale square electrolyzers, 22 sets of all-in-one air-liquid separation systems, 11 sets of all-in-one purification systems, 66 sets of high-performance power supplies, and 1 set of SIEMS energy management system developed by SANY that increases the overall utilization rate of green power by 10%, which is superior mainly because of a smaller footprint of the entire hydrogen production plant, and a decrease in the maintenance cost by 30% based on the module-oriented design with the maximum operating power density of up to 12000 A/m².

SANY Hydrogen Energy is the first to realize the large-scale pressurized square design electrolyzer technology, which can increase the gas-liquid separation processing capacity by 3 times.

The power fluctuation of the equipment range from 10% to 120%, reducing the number of starts and stops by 30%. The equipment works with the highly adaptable power supply that keeps the total harmonic distortion under 2%. Moreover, its combination with the vertical separator not only reduces the volume, but also further increases the separation capacity.

As the brain of the GW-level Solutions of SANY Hydrogen Energy, this SIEMS energy management system of SANY Hydrogen Energy supports minute-level predictions of the wind and solar system, drives the hydrogen production control system based on millions of kernel data, and realize the rapid synthesis of energy while maintaining the off-grid interface. In addition, the self-developed cluster control algorithm can cover the computility of more than 80 sets of electrolyzers and ensure the underlying safety mechanism at the same time.

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