In the printing and dyeing industry, industrial boilers have always provided the important heat source support for the printing and dyeing, drying, slashing and other production processes. Jiangsu Zhongcheng Printing and Dyeing Co., Ltd., established in 2001, is mainly engaged in the printing and dyeing of various kinds of cotton and polyester fabrics. Its main products are cotton and linen fabrics, elastic fabrics, high count and high density fabrics. Facing the increasingly strict environmental protection standards, in order to reduce energy consumption and save costs, Zhongcheng Printing and Dyeing decided to upgrade the boiler system and introduce ZOZEN SZS series gas-fired steam boiler to pursue better economic and environmental benefits.
Heilongjiang Changfeng Coking Co., Ltd., founded in 2014, mainly produces coke, tar, crude benzene and other chemical products. In the second half year of 2019, the company invested more than 60 million RMB to launch a 6 MW coal gas thermal power project which required a set of 45 tph gas-fired boiler and the 6 MW condensing steam turbine generator set. If the project is put into use, it is expected to generate 60 million kWh of electricity per year and form a heat supply network covering 300,000 square meters, which is a municipal-level key industrial project and is highly valued by the local government. However, this set of steam boiler with a rated pressure of 3.82 Mpa and a steam temperature of 450℃ is a kind of A-grade mid-temperature and mid-pressure boiler, which sets high requirements for boiler design and manufacture.
Jiangsu Hengtong Printing and Dyeing Group Co., Ltd. set high requirement for the automatic operation and safety of the thermal oil heater which had great importance to its production line. After rigorous market research, Hengtong purchased a set of ZOZEN YQW series gas-fired thermal oil boiler in 2018. Equipped with an advanced burner, this series of boiler can realize fully automatic operation, including automatic combustion, automatic adjustment of the liquid level of the expansion tank, outlet temperature, flow rate and automatic protection. Meanwhile, the PlC control system is easy to operate. Various kinds of settings can be completed through the intelligent man-machine interface. In addition, the boiler has been in stable and high-efficient running since its operation, which was highly praised by Hengtong. This time, with the expansion of the production scale, Hengtong planned to get another thermal oil heater and cooperate with ZOZEN again.
A safe and high-efficient thermal oil heater is very important to an enterprise, which directly affects the product quality and the economic benefits. In November 2017, the burst of the pipeline of the existing thermal oil heater triggered a fire at Jiangxi Huachen Spice Chemical Co., Ltd. The fire caused considerable losses to the enterprise. Immediately, the leadership of the enterprise decided to repurchase a set of high-quality thermal oil boiler. With good market reputation and strong company strength, ZOZEN got the trust of Huachen Spice. ZOZEN YQW series gas-fired thermal-oil heater has excellent safety performance. The functions of over-temperature alarm, low oil level alarm and over-pressure alarm can ensure the stable operation of the heater. In addition, because the inner coil of the radiant section of the heater absorbs much more heat than the middle and outer rings, ZOZEN designed a large flow rate inner coil to ensure the safe and reliable operation at high temperature.
As a well-known industrial boiler manufacturer, ZOZEN focuses on the research and development of energy-saving technology. In order to help Hongda Textile to reduce energy consumption, ZOZEN customized the WNS series gas-fired boiler system according to the actual requirements of its production lines. Through the application of several patent technologies, this series of boiler has truly realized energy saving and high efficiency in terms of combustion efficiency, exhaust gas temperature, etc. Equipped with an advanced burner, the WNS series boiler realizes reasonable air distribution. Meanwhile, the large-diameter corrugated furnace of ZOZEN WNS series gas-fired steam boiler not only increases the heating-transfer surface but also ensures the full combustion of fuel, which increases the efficiency and reduces the consumption of fuel. In addition, ZOZEN adopts the patented condensing technology, which can fully absorb the waste heat of the exhaust gas, improve the water inlet temperatu
Saturated steam is mainly used for heating, refining and disinfecting processes of the vegetable oil production. The vegetable oil industry requires a large amount of steam. With high sanitary requirements, the vegetable oil processing companies set high requirements for the quality of steam. YongYou is a large cereals & oils company integrating grain storage, trading, transit and processing. According to the characteristics of high steam pressure, high quality requirements and large load fluctuations in the vegetable oil production process, YongYou purchased two sets of 15 tph biomass-fired steam boilers to meet the requirements of production. In addition, the flexible load adjustment can improve the use efficiency of steam.
Industrial boilers provide a stable steam heat source for the drying, rolling, and vulcanization of tire processing. ZOZEN has reached cooperation with many rubber products manufacturers with high quality products. Sichuan Haida Rubber Group Co., Ltd. is an enterprise integrating R&D, operation and production of automobile tires, products include all-steel commercial radial tires, semi-steel passenger radial tires and oblique commercial tires.
In the manufacturing process of automobiles, the painting process has the effect of rust prevention, corrosion protection and decoration. The metal surface treatment before painting and the painting process require the heat source provided by the steam boiler. ZOZEN WNS series gas-fired steam boiler obtains advanced manufacturing technology. The fully automated production line ensures the uniform size of the boiler components, realizes the assembly between the components, which effectively extends the service life of the boiler. In addition, in order to improve the overall thermal efficiency of this type of boiler, ZOZEN technicians have improved the boiler design. Large-diameter corrugated furnace and high-efficiency heat-conducting threaded tubes, combined with the energy-saving device at the tail of the flue, ensure that the exhaust gas temperature below 60℃, and the thermal efficiency is as high as 98%, which reduces fuel costs for enterprises.
