Wood Coal Fired Hot Water Heater Boilers for Heating Swimming Pool

We are committed to becoming a well-known Brushless Excitation Generator, Boiler Pipes and Accessories, Steam Turbine Parts solution provider and manufacturer of recognized by international customers. We attach importance to product development and technological innovation, digest and absorb the latest technology at home and abroad, enhance the core competitiveness of the enterprise, make profits while achieving sustainable development of the enterprise and create value for society for the benefit of society. We satisfy our customers with scientific management, standard production, high-quality products, and satisfactory services, and cooperate with friends from all walks of life to create brilliant future with the best reputation. Our production have been exported to more than 30 countries and regions as first hand source with lowest price. Our company will continue to carry forward the spirit of "people-oriented, innovation and excellence, the pursuit of better", and actively connect with international standards to produce more innovative products.

Products Brief Introduction

DZL series package boilers are horizontal three-pass water & fire tube boilers with a chain grate stoker structure. Threaded pyrotechnic tubes are arranged in the drum to form a convection heating surface, while the drum and the water walls on both sides form a radiation heating surface in the furnace. Each package system is fully installed and wired before being transported to site and is electrically controlled to provide functions such as steeples speed regulation for the stoker, threshold parameter alert and interlock protection.

Technical advantages

1. CNC manufacturing technology

● The key processing technologies such as steel plate blanking, circling, drum and tube plate drilling adopt advanced CNC machining to reduce the assembly stress and prolong the service life of the boiler.

● Steel tube cutting, thread tube pressing and convection tube processing all adopt advanced CNC technology.

● Arched tube sheets and threaded fire tube was first adopted in China to increase heat transfer and completely solve the problem of cracking of the back tube sheet.

● Chain grate plate and back smoke chamber plate is cut by CNC plasma cutting machine, which looks neat and beautiful.

2. Advanced welding process

● The vertical and circumferential seam welding of the boiler adopts advanced automatic submerged arc welding technology to ensure the welding quality. All vertical and circumferential welds will go through 100% ray detection.

● The welding of smoke tube and the tube plate adopts pre-expansion to eliminate the gap between the tube and tube plate, then be welded by automatic argon arc welding, which effectively eliminate stress and prolong boiler life.

● The flange of the socket is welded by robots.

● The chain grate is manufactured by our factory, and it is tested for 72 hours before leaving the factory to ensure that the tightness is moderate and won't deviate.

3. Precision parts processing

● Advanced manufacturing technology, using assembly line automatic spinning manufacturing.

● Enhance heat transfer and raise boiler thermal efficiency.

● Threaded smoke tubes are highly efficient heat transfer elements which is from many years research of our company. After continuous optimization, the heat transfer coefficient is 1.8 times higher than normal smoke tubes.

4. Unique structural design

● Disturbed flue gas to ensure complete combustion of volatile matters.

● The air volume takes about 30% of the total amount, and the wind speed is 50m³.

● The independent secondary fan makes it easy to control and adjust the wind volume and pressure.

● The high-temperature smoke generated by the combustion first enters the horoscope flue on both sides of the body from the tail (in this case, the boiler is water tube type), and the flue gas flows outside the tube.

● The flue gas cooled by the horoscope flue enters the threaded tube (in this case the boiler is fire tube type) arranged in the drum from the front smoke chamber.

● The flue gas will be exhausted from the back smoke chamber, this design fundamentally solves the problem of cracking of the tube sheet of a simple fire tube boiler.

5. Auxiliaries

● Feeder: Feeding fuel equally to avoid flashback.

● Gearbox: Designing reasonable rotating speed according to the combustion speed to make sure the fuel burning completely.

● Cover plates: Cold-rolled pressed plates, strong and elegant.

● Inspection door: reasonable manhole and hand hole layout, easy for maintenance. Inspection doors in furnaces for easy access and maintenance.

We have our own professional Wood Coal Fired Hot Water Heater Boilers for Heating Swimming Pool production factory, which can effectively control the construction period, guarantee the quality and reduce the risk. We hope that all employees can continuously improve their sense of gain, achievement and happiness from their work, and truly realize the common growth with the enterprise. Respect for the individual is the foundation of our corporate culture and the cornerstone of our success.