Shandong Zhongjie Special Equipment Co., Ltd. (formerly Heze Boiler Factory Co., Ltd.) was established in 2001, located at No. 2218 Jinnan Road, Economic and Technological Development Zone, Heze City. With a registered capital of 50 million yuan and total assets of 500 million yuan, the company has 7 business centers: boiler, deep-freeze container, pressure vessel, central air conditioning, engineering installation, international trade, and Internet of Things. It has three manufacturing sites on Jinnan Road, East Changjiang Road, and Bohai Road, covering a total of 200,000 square meters. The main workshop spans 83,000 square meters. It currently employs 710 people, including 247 engineering technicians and 82 intermediate-level technicians. In December 2016, it was recognized as a "High-tech Enterprise" by the Science and Technology Department. In June 2021, it was identified as a "Specialized and New Enterprise in Shandong Province" by the Ministry of Industry and Information Technology. In June 2022, it was named a "Deer Enterprise in Shandong Province" and in August 2022, it was recognized as a "Specialized and New Small Giant Enterprise" by the Ministry of Industry and Information Technology.
The DZL model quick-install biomass boiler is a common type of biomass boiler, featuring the following characteristics:
Quick Installation: The DZL type rapid-install biomass boiler features a modular design, with the boiler body and equipment pre-assembled in the factory. On-site, only simple connections and adjustments are required, significantly reducing installation time and project duration.
High combustion efficiency: Utilizes a special combustion chamber design and system, ensuring complete combustion of biomass fuel within the furnace, resulting in high thermal efficiency. Equipped with an economizer and flue gas recirculation unit to further enhance thermal efficiency.
Automated Control: The DZL type quick-assembly biomass boiler is equipped with an automated control system, enabling the control and monitoring of the combustion process. With a PLC controller and a touch screen, parameters such as fuel supply, air supply, and combustion temperature can be adjusted, ensuring the stable operation of the boiler.
Multiple Fuel Adaptability: The DZL quick-assembly biomass boiler is suitable for various biomass fuels such as wood chips and straw, etc. Different fuels can be chosen based on actual conditions, enhancing fuel substitutability and flexibility.
Eco-friendly Energy-saving: The DZL-type quick-assembly biomass boiler uses biomass fuel, which produces relatively low amounts of waste gas and residue during combustion, resulting in low emissions of pollutants. Biomass fuel inherently features low sulfur and low nitrogen content, and the resulting residue can be reused as organic fertilizer or biomass fuel, thereby reducing environmental pollution.
Tightly Designed: DZL Type Quick-Assembly Biomass Boiler

There are mainly several methods for setting the pressure of biomass hot water boilers:
Regular Discharge: Regularly discharge excess water from the boiler to maintain normal working pressure. Discharging excess water helps prevent excessive internal pressure, ensuring stable boiler operation.
Timed Operation: Perform operations at regular intervals based on the water level of the boiler to maintain normal working pressure. Pay attention to the control amount to avoid excessive operation that could lead to overpressure in the boiler.
Pressure Control System: The installed pressure control system continuously monitors the boiler's pressure via sensors and controllers, adjusting automatically according to set values. Should the boiler pressure exceed the set limit, the control system will automatically reduce fuel supply or expel excess water to maintain a stable working pressure for the boiler.
Pressure Regulator: Install a pressure regulator on the boiler's water inlet pipe, adjusting the valve opening to control the water inflow and maintain a stable working pressure for the boiler. The pressure regulator can automatically adjust according to the set value, keeping the boiler's pressure within an appropriate range.
Pressure Regulator: Install the pressure regulator in the boiler's combustion system to control the steam pressure of the boiler by adjusting the combustion intensity of the burner. The pressure regulator can automatically adjust the burner's operating status according to the set value to maintain a stable working pressure of the boiler.
Above are common methods for setting the pressure of biomass hot water boilers. Depending on the actual situation and requirements, suitable pressure-setting methods can be chosen to maintain the boiler's stable working pressure.

The SZL Biomass Chain Grate Steam Boiler is a specific type of biomass boiler that utilizes chain grate technology to burn biomass fuel and generate steam. Below are some features and characteristics of the SZL Biomass Chain Grate Steam Boiler:
Burner Design: The SZL biomass chain grate steam boiler utilizes a chain grate design, where fuel is progressively pushed through the grate layers for a continuous combustion process. The chain grate offers ample combustion space and extended burning time, ensuring thorough combustion of biomass fuel.
Multi-fuel Adaptability: The SZL biomass chain grate steam boiler is suitable for various biomass fuels such as wood chips, straw, rice husks, etc. It boasts strong fuel adaptability and can choose the appropriate fuel for combustion based on actual conditions.
Heat Exchanger: The heat exchanger equipped with the SZL biomass chain grate steam boiler efficiently utilizes the thermal energy in flue gas, enhancing thermal efficiency. The design and material selection of the heat exchanger are optimized for optimal heat conduction and exchange.
The control system: The SZL biomass chain grate steam boiler is equipped with a control system that can accurately control and adjust parameters such as temperature, pressure, and fuel supply. The control system features safety protection functions, including overheat protection and low water level protection, ensuring the safe operation of the boiler.
Environmental-friendly and low emission: SZL biomass chain-type steam boiler utilizes

Biomass boilers promote environmental protection in the following aspects:
Renewable Energy Utilization: Biomass boilers use biomass fuels such as wood chips, straw, wheat straw, fruit shells, etc., which are renewable resources. Compared to fossil fuels, the combustion of biomass fuels releases less carbon dioxide, resulting in a smaller impact on climate change.
Reducing greenhouse gas emissions: The carbon dioxide produced during the combustion process of biomass boilers can be reabsorbed through the regeneration process of biomass, forming a closed loop. This helps to reduce greenhouse gas emissions, contributing to the mitigation of climate change.
Low Pollution Emissions: The combustion process of biomass boilers results in relatively low emissions of pollutants in the flue gas. Through reasonable combustion adjustment and supplementary pollution control equipment such as dust collectors and nitrogen oxide control devices, emissions of pollutants like particulates and nitrogen oxides in the flue gas can be further reduced.
Recycling Waste: Biomass boilers can utilize waste and by-products as fuel, such as crop straw and wood processing waste. This enables the recycling of waste, reducing the issues of waste accumulation and disposal.
Energy Efficiency Enhancement: The combustion process of biomass boilers can be optimized through technologies like heat recovery and waste heat utilization, thereby enhancing energy utilization efficiency. This aids in reducing energy consumption and diminishing reliance on conventional energy sources.
Overall, biomass boilers, as a renewable energy utilization technology, offer advantages such as low carbon and pollution emissions, as well as waste recycling, playing a positive role in environmental protection and sustainable development.
Our company attaches great importance to technological innovation and research and development design. We possess one municipal-level enterprise technology center in Heze City, and have established testing facilities for non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, etc. We are equipped with over 600 various instruments and equipment, including CNC machine tools, X-ray flaw detectors, digital ultrasonic flaw detectors, mechanical property testing machines, chemical analyzers, spectrometers, tensile testing machines, plasma welding machines, and more. The key products and technologies we have developed, such as welding of temperature and pressure vessels, emissions reduction of biomass boilers, and waste heat utilization, have successively been selected for multiple Shandong Provincial Department of Industry and Information Technology science and technology innovation projects, Shandong Provincial key projects, and Heze City innovation and excellence projects. We have cumulatively obtained 27 authorized utility model patents, 16 authorized invention patents, participated in drafting 2 standards, 2 industry standards, and registered 15 trademarks. The technical team of our company, in collaboration with Professor Yajiang Li of Shandong University, has developed deep cryogenic container processing technology, which adopts the international plasma arc + wire filling tungsten inert gas arc welding (PAW-GTAW) technology. After the provincial-level scientific and technological achievement appraisal, the technology level has reached an international standard in the field of deep cryogenic container manufacturing. Choose Zhongjie Special Equipment, and let's create brilliance together!