Gypsum board production line moisture air low-temperature power generating technology
A technology for low-temperature power generation and production lines, which is applied in the field of low-temperature thermal energy recycling in gypsum board production lines, and can solve problems such as energy waste and low heat recovery efficiency
Active Publication Date: 2015-05-13
泰山石膏(南通)有限公司
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Problems solved by technology
The existing domestic treatment methods generally discharge it directly into the atmosphere. Even though there are precedents for heat recovery such as heat pipes, there is a disadvantage of low heat recovery efficiency, which causes a lot of waste of energy.
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[0009] The present invention is described in detail below in conjunction with accompanying drawing and specific embodiment:
[0010] Such as figure 1 As shown, this process specifically includes a heat exchange working medium circulation pipeline and a water circulation pipeline connected and controlled by an electrical control system. The heat exchange working medium circulation pipeline is composed of an evaporator 2, a screw expansion generator 3, and a cooler 4. The storage tank 5 and the working medium pump 6 are connected in sequence to form a closed-loop circuit. The water circulation pipeline is connected in sequence by the waste heat recovery device 1, the evaporator 2, the circulation pump II 8, the cooler 4 and the circulation pump I9 to form a closed-loop circuit. The dehumidified air of the dryer in the gypsum board production line is input into the waste heat recovery device 1 to generate high-temperature hot water with a temperature greater than 90 degrees and e...
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The invention discloses a gypsum board production line moisture air low-temperature power generating process. A low-boiling-point heat exchange working medium and water way bidirectional circulating technology is adopted. High-temperature moisture air changes into high-temperature hot water after passing through an exhaust heat recycling device; high-temperature hot water exchanges heat with a heat exchange working medium in an evaporator, and the heat exchange working medium is changed into gas state from liquid state, a low-level steam turbine power generating set is realized to generate electricity; after electricity is generated, the heat exchange working medium enters a condenser and changes into the liquid state through cooling; through the recycling and utilization by a recycling device, low-temperature water obtained through heat exchanging in the evaporator enters the condenser and acts as the cooling water of a gas state heat exchange working medium, and then enters the exhaust heat recycling device for recycling; the energy of the high-temperature moisture air is utilized during the whole process, the exhaust heat is converted into electricity energy, and the moisture air is converted into water for recycling and utilization; the gas and liquid conversion of the heat exchange working medium through the heat absorption and heat discharge of water, the power generating machine set is realized to generate electricity; the energy is saved, and the environment is protected; the production cost is lowered; and the economic benefit of enterprises is improved.
Description
technical field [0001] The invention relates to the technical field of low-temperature heat energy recycling in a gypsum board production line, in particular to a low-temperature power generation process with humid air in a gypsum board production line. Background technique [0002] After the drying of the gypsum board production line, a large amount of humid air is produced, including the residual heat of the hot air after drying the gypsum board and the latent heat of vaporization of the water vapor after the water in the board evaporates. The overall temperature range is 120-150°C. The existing domestic treatment method is generally to directly discharge it into the atmosphere. Even though there are precedents for heat recovery such as heat pipes, there is a disadvantage of low heat recovery efficiency, which causes a lot of waste of energy. Contents of the invention [0003] In order to solve the above existing technical problems, the present invention provides a low-t...
Claims
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IPC IPC(8): F01K27/02
Inventor 贾同春曹志强高甲明孙善坤冯俊杰任利李广文侯礼昌朱炳璋
Owner 泰山石膏(南通)有限公司