zozen boiler
Home Service FAQs FAQ of biomass-fired boilers What is the reason that the pump of a biomass-fired is not pumping water?

What is the reason that the pump of a biomass-fired is not pumping water?

28 Feb 2020
  1. If there is air in the pump or suction pipe, the air should be discharged.
  2. If the depth of the bottom valve immersed in the water is not deep enough, the depth should be increased.
  3. If the rotational speed is too slow or the conveyor belt is too loose, the rotational speed should be adjusted and the conveyor belt should be tightened.
  4. If the impeller, suction pipe and bottom valve are blocked by dirt, you should check the pump body and clean the dirt.
  5. If the height of water conveyance exceeds the regulations too much, the pump head should be adjusted to the specified range.
Related FAQs View More
Related news View More
  • ZOZEN Boiler Supports Building Materials Projects in Hubei with Steam and Thermal Oil Solutions
    IntroductionIn Wuhan, Hubei Province, Hubei Hanjia New Materials Co., Ltd. and Wuhan Yiqingsheng Building Materials Co., Ltd. required thermal energy equipment for autoclave curing and continuous production-line heating, respectively. Based on the production processes, fuel conditions and site requirements of the two companies, ZOZEN Boiler supplied an 8 t/h DZL series biomass steam boiler and a 7.2-million-kcal YWW series biomass thermal oil boiler. The two projects use different heat-transfer ...
    03 Nov 2026
  • ZOZEN Gas-Fired Steam Boiler Marks Five Years of Service at Guizhou Haocaitou, Supporting Food Production
    At Guizhou Haocaitou Food Co., Ltd. in Tongren, Guizhou Province, a ZOZEN WNS series gas-fired steam boiler has been operating for five years as part of the company’s steam supply system. The WNS10-1.25-Q boiler, with a rated capacity of 10 t/h, serves as an important heat source for food production. In recent feedback, the customer noted that matching the equipment configuration to production requirements, along with ease of daily operation and maintenance, were key considerations when se...
    27 Oct 2026
  • How Can Steam Keep Pace with Food Production?
    From beverage and convenience food production to rice processing, boiler solutions should be selected according to fuel availability, steam demand and site conditions. Steam is commonly used for heating, sterilization and equipment cleaning in food processing. However, different products, production line configurations and fuel conditions create different boiler requirements. In addition to rated steam capacity, food manufacturers need to consider steam pressure, fuel supply, equipment layout a...
    20 Oct 2026

Find the Right Boiler For You

Name *

Email *

WhatsApp/WeChat

Products

Power/Capacity