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Heat pump drying market
From the current energy structure and environmental pressure, the development potential of heat pump drying is very large. According to statistics, under the same conditions, the heat pump drying system saves 70% of energy compared with coal-fired systems; carbon emissions are 70% lower; PM10, PM2.5, and other inhalable particulate pollutants are reduced by 99%. If all the coal-fired barns are replaced, the heat pump drying market is estimated to have an excess of trillion yuan.
In 2009, research on heat pump drying in China was still in its infancy. Dr. Zhang Zhentao of the Institute of Physical and Chemical Technology of the Chinese Academy of Sciences (hereinafter referred to as "the Institute of Physics and Chemistry of the Chinese Academy of Sciences") started the research of heat pump drying technology. According to its introduction, the heat pump drying unit can not only absorb heat from the air but also recover waste heat generated during the operation of the unit. In the cold regions such as the northeast, the energy in the air during the fall and winter seasons can hardly be used or the efficiency is extremely low. The main energy of dry sets comes from waste heat recovery.
Dr. Zhang and his team have actively promoted the development of the heat pump drying industry. The continuous tunnel heat pump drying system developed by the company won the special award for scientific and technological progress of the Henan Tobacco Company (Bureau) by the National Tobacco Corporation (PKU). This system has fresh smoke on one side and good dry smoke on the other. It not only saves energy, but also allows materials to go in and out continuously, with clear division of labor and labor savings. Five ordinary intensive barns need at least three people to be responsible for the operation of the flue-cured tobacco. After the system is used, one person can be responsible for managing 50-60 barns, reducing the labor cost by 90%. The number of barns in the tobacco market is 1.1 million units. If all the current coal-fired barns are replaced, it will be a 100 billion-class market.
Based on his years of experience in the research market, Dr. Zhang Zhentao divided the heat pump drying market pattern and brand in China. According to statistics, there are more than 400 companies that do heat pump drying on the market, but there are not many well-made brands. Among them, the market is highly recognized and there are very few enterprises with distinctive features.
The northeastern market of China is mainly based on grain drying. The estimated amount is 100 billion yuan; the total dried capacity of the dried fruit market in northwest China is 100 billion yuan; the southwestern market is mainly dried by flue-cured tobacco, rice flour, and silk, among which Henan Hengheng Energy Saving Technology Co., Ltd. has a holding capacity of about 4,000 to 5,000 units in the tobacco drying market. Dongguan Zhengxu New Energy Equipment Technology Co., Ltd. does a good job in the fields of flue-cured tobacco, industry, etc.; the East China market is mainly fruit and vegetable and seafood drying; South China Market There are many types of drying, drying items such as fruits, betel nuts, tea, preserved vegetables, and aquatic products. The Guangzhou Institute of Agricultural Machinery researched seafood and sausage drying projects for many years and achieved remarkable results. Guangdong Aoyimei Energy-saving Technology Co., Ltd. The company specializes in drying of preserved meat, aquatic products, etc. Guangzhou Zhongyu Group has a high market share in the dried betel nut market in Hainan; Huazhong Market has many drying items such as medicinal herbs, wood and grain, and Dongguan Yongsheng Energy Saving Technology Co., Ltd. dries medicinal herbs. The market has established many model projects. There is also a large market in the national market where the sludge heat pump is dried and dried. In this regard, physics and chemistry has developed solar heat pump sludge drying technology and equipment and MVR heat pump sludge drying technology and equipment.
Affect the development of heat pump drying market
The heat pump drying market looks like the threshold is not high, and the policy support is strong, leading many industry professionals to influx. However, there are currently many small and medium-sized brands on the market, and no systematic scale has yet been formed. There are many factors that affect the development of heat pump drying products.
On the one hand, the market demand for heat pump drying is complex and can be roughly classified into the following two categories: 1. High requirements in terms of process, temperature, and relative humidity in the early, middle and later stages of material drying are more difficult to control; 2. Material quality attributes for heat pump drying Dry technical requirements are high.
Dr. Zhang used Xinjiang white raisins and dried jujube dates as examples to illustrate the fact that white raisins are not controlled in temperature and humidity during the drying process and are brown and reddish, while Ukrainian jujube must be processed in a special way during the drying process. Make the product color black from red. These two kinds of heat pump drying technology have very big differences in the drying process, especially the control of temperature and humidity, and have extremely high requirements, otherwise it will cause the dry material to fail to meet the required quality, resulting in material loss and deterioration. Most of the drying process of agricultural products, especially the drying of heat-sensitive materials (such as food and biological materials), will inadvertently affect its color, nutrition, flavor and organization, and directly affect the quality of finished products.
On the other hand, compared with traditional drying equipment, heat pump drying units have certain weaknesses: 1. The heat pump drying equipment is more expensive than the traditional drying equipment; 2. The power in remote areas can not keep up; 3. The coal power The ratio of prices affects operating costs. The coal price is 300 yuan/ton, and the electricity price 0.7 yuan/kwh is the balance point. For example, coal prices in Hami, Xinjiang and Turpan are very cheap, not more than RMB 200/ton. Using heat pumps for drying and energy saving does not save money. The limitations of these realistic conditions make it difficult to popularize the heat pump drying equipment.
In response to these problems, some businesses on the market have come up with corresponding countermeasures. According to Dr. Zhang’s introduction, an innovative business model launched by a company in Guangdong Province is worth learning from. The company adopts a rental model to install equipment for users. The dry product is credited, and the quantity of equipment and equipment is owned by the farmer after the contractual transaction is completed. On the one hand, customers can be reached in advance. On the other hand, helping customers to solve financial problems will benefit both parties' cooperation.
Difficulties in the promotion of heat pump market put forward new challenges for experts who take root in the market research. Dr. Zhang believes that only by going deep into the project site to conduct experiments can we truly understand the operational status of the product and where it needs to be improved, identify the direction and perseverance. Efforts to make its own contribution to the national energy conservation and environmental protection industry.
Heat pump drying trillion market urgently needed to be excavated
Heat pump drying, as a potential market for the cross-development of energy-saving, agricultural machinery and HVAC, has been in rapid development in recent years, and has attracted more and more attention in many industries such as HVAC, agricultural machinery, agricultural product processing, and environmental protection. Recently, Dr. Zhang Zhentao, a research associate of the Institute of Physics and Chemistry at the Chinese Academy of Sciences, talked about his unique insights on the heat pump drying market. Let's take a look!