Square Design Alkaline Water Electrolyzers

1000 Nm³/h Square AWE Equipment

 

â‘ Convenient operation and maintenance

Hydraulic extruder is tightly sealed and can be disassembled and assembled on site, so the maintenance time is short.

 

â‘¡Modularization

Single-chamber independent unit, single slot is easy to expand, and multiple slots can be connected in parallel

â‘¢Low power consumption

Zero pole pitch design, pure nickel pole plate, high conductivity

â‘£High reliability

Hydraulic automatic control + multi-point mechanical locking double insurance, high-strength mechanical support frame, single chamber independent liquid inlet and outlet to ensure uniform temperature field

 

 

1.Hydrogen production 1000Nm³/h

This square AWE unit boasts a hydrogen production capacity of up to 1000Nm³/h per cell. Its substantial output not only fulfills the high hydrogen energy requirements of certain applications but also contributes to the growth of the hydrogen energy industry on a large scale

 

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

Efficient energy conversion stands as a pivotal metric for assessing the performance of alkaline water electrolyzers. This particular electrolyzer maintains its DC power consumption within a range of 4.1-4.3 kWh/Nm³, embodying efficient energy utilization. This not only substantially lowers the energy expenses associated with hydrogen production but also aligns with the sustainable development principles of clean energy

 

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

The square AWE unit is designed to ensure that the purity of hydrogen, even before undergoing purification processes, exceeds 99.8%. This guarantees that the hydrogen's quality is compliant with the diverse standards required for various applications

 

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

Utilizing sophisticated purification technology, the electrolyzer is capable of achieving hydrogen purity levels exceeding 99.999% post-purification. This high degree of purity makes it suitable for a broad array of applications, including fuel cells and power generation, thereby aiding in the advancement of clean energy solutions

 

5. Working pressure: 0.5MPa

This square AWE device operates at a working pressure of 0.5 MPa, marking a technological advancement that enhances the outlet pressure of the electrolyzer. This innovation not only ensures the equipment's safe operation but also broadens its adaptability across numerous hydrogen application scenarios. Consequently, this expands the range of fields where hydrogen can be utilized effectively

 

6. Working temperature: 85±5℃

The electrolyzer operates within a temperature range of 85±5°C, creating an optimal environment for the efficient production of hydrogen. This stable and adaptable operating temperature contributes to both enhanced hydrogen production capacity and improved quality of the hydrogen produced

 

7. Power fluctuation range: 10-120%

The AWE equipment features a broad power fluctuation range, capable of stable operation under conditions ranging from 10% to 120% of its designated power input. This capability ensures adaptability to various power supply scenarios, significantly enhancing the equipment's resilience and operational robustness

 

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

The electrolyzer boasts fast start-up times, requiring only 35 minutes for a cold start and 5 minutes for a hot start. This quick-start capability significantly boosts the equipment's response time, enhancing its suitability for use in scenarios where frequent starting and stopping is necessary, thereby improving its overall adaptability

 

9. Designated service life: 8000h

1,000 Nm³/h AWE equipment has been designed and tested rigorously with the designated service life of up to 8,000 hours. This durable design not only reduces the frequency of equipment replacement, but also lowers maintenance costs, providing users with a reliable experience

 

Name	Parameter
Hydrogen production capacity(Nm³/h)	1000
DC power consumption(kWh/Nm³)	4.1-4.3
Hydrogen purity (Before purification)	≥99.8%
Hydrogen purity (After purification)	≥99.999%
Operating pressure(MPa)	0.5
Operating temperature(℃)	85±5
Power consumption range	10~120%
Cold start time (Minute)	≤35
Hot start time (Minute)	≤5
Annual working hours (h)	8000

 

 

after-sales services for hydrogen production system

 

1.Technical Services

1.1 Design and Technical Services

1) To cooperate with the designers to complete relevant specific design work.

2) To participate in relevant design reviews and project coordination meetings related to the equipment package organized by the buyer.

 

1.2 On-site Services

1) To cooperate with the designers to complete relevant specific design work.

2) To participate in relevant design reviews and project coordination meetings related to the equipment package organized by the buyer.

3) Responsible for on-site installation guidance of supplied equipment.

4) Responsible for the guidance for the first start-up and commissioning of the equipment package.

5) To solve malfunctions occurring during the production operation on site at the request of the buyer after the equipment is delivered, regularly or irregularly.

6) Responsible for providing comprehensive technical training to the buyer's process technicians and operators, ensuring that their levels meet the needs of normal production and maintenance.

7) Responsible for providing comprehensive technical training to the buyer's equipment maintenance staff.

8) Responsible for contacting the buyer's technical staff for inspection and internship sites.

9) To respond within 24 hours after receiving the buyer's notification requesting technical services, and arrive at the buyer's site 48 hours after receiving the notification requesting on-site services in writing.

10) The seller shall provide technical services free of charge during the warranty period. The warranty period is subject to the provisions of the commercial contract.

11) The seller shall provide the buyer with software upgrade services free of charge during the warranty period

 

1.3 After-sales Services

1) We shall respond within 24 hours after receiving the notification and guide the solution for either an issue related to equipment quality or operation failure arising from human factors. In case of a significant failure, we shall send personnel to the site immediately.

2) To provide spare parts of the equipment and manufacturers of such spare parts, and assist in model selection and purchase.

3) To provide users with the latest technology development information and newly developed components so that users can understand the current status of hydrogen production technology development.

4) To provide technical maintenance and repair services free of charge during the warranty period. In case of any maintenance and repair caused by improper use by the user, the cost of the damaged parts shall be charged only.

5) To conduct regular maintenance and upkeep of the equipment as required by the user.

 

2.Training

1) The seller shall be responsible for providing technical briefings and technical services to the buyer, and for the installation and debugging of the equipment.

2) During the on-site services, the seller shall be responsible for training the user's technical staff and operators, and ensuring that the trained personnel are proficient in the use and maintenance, common troubleshooting and other operations of the equipment.

3) Schedule of On-site Services

No.	Technical service	Planned person-months	Composition of dispatched personnel		Â
			Professional title	Number of people	Remark
1	To install or guide the installation	20 days	Engineer	2	Until the end of the installation
2	To prepare for commissioning	15 days	Engineer	3	Â
3	To conduct the trial run	7 days	Engineer	2	Â
4	To assess the operation	3 days	Engineer	2	Â

 

4) Schedule of Key Processes for Guidance on Installation and Debugging Provided by the Seller

No.	Process	Main content of process	Remark
1	To guide the installation process	Â	Â
1.1	Electrolyzer	The electrolyzer is ready with connected pipes	Â
1.2	Accessory equipment framework	The framework is ready with connected pipes, cables, etc.	Â
1.3	Transformer	Ready with connected high-voltage cables and copper lines	Â
1.4	Rectifier cabinet	Ready with connected control cables and copper lines	Â
1.5	To connect pipelines	To connect the framework with the water tank and alkali tank, including connected water supply pump and cooling water pipes.	Â
1.6	Electrical parts	The control cabinet and parts of the upper monitor are ready with connected cables.	Buyer
2	Debugging process	Â	Â
2.1	Equipment inspection	  To check if there is any error of all process pipelines, nozzle interfaces, etc.	Â
2.2	Air tightness inspection	To fill it with pure water to the normal liquid level and nitrogen to 2.5 Mpa. To keep the pressure for 24 hours and check if the leakage meets the requirements.	Â
2.3	Wiring inspection	To check if the wiring terminals are correct according to the diagram.	Â
2.4	Start-up with dilute alkali	To prepare dilute alkali and fill the electrolyzer with it, paying attention to the liquid level. To start the rectifier cabinet, input low current, and check if the control equipment runs normally. To have the equipment to run for 24 hours with a higher current according to the situation (for the dilute alkali current cannot reach full load)	Â
2.5	To discharge dilute alkali	To discharge all the dilute alkali in the framework from the equipment	Â
2.6	Official start-up	Same as the Step 2.4 above (Note: The alkali concentration shall be higher than before.)	Â

 

5) Services in Use

(1) In case of any quality issues occurring in the use of the contractual equipment package, we shall provide the buyer with fast and high-quality services in a timely manner. During the warranty period, we shall provide maintenance services as soon as possible, and repair or replace defective parts free of charge after being notified by the user, to ensure the normal operation of the equipment.

 

(2) We shall also provide the following high-quality services:

A Irregular site visiting mechanism.

B Quick response and customer priority mechanism.

c Lifelong technical support mechanism.

d Guaranteed preferential supply mechanism of spare parts.

 

(3)In order to enable the contractual equipment to be installed, debugged, operated, maintained and inspected as scheduled, the seller shall provide the buyer with relevant technical training. The schedule of training shall be in line with the project progress. The seller shall provide the training program and content as follows:

No.	Training content	Planned person-months	Composition of trainers		Place	Remark
			Professional title	Number of people
1	Theory and process of hydrogen production and purification system	5 people/3 days	Engineer	1	Changsha or on site	Â
2	Theory of control and instrumentation for hydrogen production and purification system	5 people/4 days	Engineer	1	Changsha or on site	Â
3	Common faults and troubleshooting methods of hydrogen production and purification systems	5 people/1 day	  Engineer	1	Changsha or on site	Â
4	On-site practical training	5 people/7 days	Engineer	2	Changsha or on site	Â

 

http://www.sanyhydrogenenergy.com/