Novel process for improving comprehensive utilization rate of low-temperature heat energy
A new process and utilization rate technology, which is applied in the new process field of comprehensive utilization of environmental protection and energy-saving low-temperature potential heat energy, can solve the problems of water tank and water equipment corrosion, environmental heat pollution, waste of water resources, etc., to increase the utilization rate and reduce the Effect of internal and external corrosion and improvement of recovery rate
Inactive Publication Date: 2011-06-22
YANKUANG LUNAN CHEM FERTILIZER PLANT
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Problems solved by technology
[0005] 1. Due to the open recovery method, it causes serious thermal pollution to the environment, wastes water resources to a certain extent, deoxygenated water is polluted by oxygen for the second time, and the water after dissolved oxygen is easy to cause corrosion to the water tank and water equipment
[0006] 2. Improper use, poor transportation, etc., resulting in direct discharge on site
Method used
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[0024] With reference to accompanying drawing, in conjunction with example, a kind of schematic diagram of the process principle of the new process of improving the comprehensive utilization rate of low-temperature heat energy of the present invention is described in detail as follows:
[0025] A new process for improving the comprehensive utilization rate of low-temperature heat energy according to the present invention, the equipment involved includes absorption lithium bromide chiller I1, absorption lithium bromide chiller II2, condensate closed recovery tank 3, boiler feed water pump 4, waste heat Boiler 5, heat exchanger 6, cold water pump 7, condensate pump 8, steam condensate closed recovery tank 9.
[0026] The low-temperature heat energy of each heat-using unit or production unit, including the low-temperature heat energy of steam condensate and the low-temperature heat energy of urea hydrolyzed refined water, respectively enters two absorption lithium bromide chillers...
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The invention discloses a novel process for improving comprehensive utilization rate of low-temperature heat energy. The specific process comprises that: low-temperature heat energy is subjected to clThe invention discloses a novel process for improving comprehensive utilization rate of low-temperature heat energy. The specific process comprises that: low-temperature heat energy is subjected to closed-type reclaiming in a production area and enters two absorptive-type lithium bromide water cooling machine sets respectively for thermal utilization, wherein after the thermal utilization, one patosed-type reclaiming in a production area and enters two absorptive-type lithium bromide water cooling machine sets respectively for thermal utilization, wherein after the thermal utilization, one path of refined water is used as replenishing water and sent to a circulating water system; and the other path of the refined water is used as raw water of deoxygenated water and sent to a gasification dh of refined water is used as replenishing water and sent to a circulating water system; and the other path of the refined water is used as raw water of deoxygenated water and sent to a gasification deaerator. After thermal utilization, condensed liquid of steam enters a closed type condensed liquid reclaiming groove; after the condensed liquid is subjected to treatment of current stabilization, veaerator. After thermal utilization, condensed liquid of steam enters a closed type condensed liquid reclaiming groove; after the condensed liquid is subjected to treatment of current stabilization, voltage stabilization and gas etching prevention, the condensed liquid is pressurized by a water feed pump of a boiler and sent to a water pipe net of a waste heat boiler for the waste heat boiler to uoltage stabilization and gas etching prevention, the condensed liquid is pressurized by a water feed pump of a boiler and sent to a water pipe net of a waste heat boiler for the waste heat boiler to use; the cold energy produced by the lithium bromide water cooling machine set is output in a cold water form and is used as a heat exchange medium of a heat exchanger; and the used cooling water comesse; the cold energy produced by the lithium bromide water cooling machine set is output in a cold water form and is used as a heat exchange medium of a heat exchanger; and the used cooling water comesfrom the circulatory cooling water system. The novel process has skillful design and compact process flow, saves the energy, protects the environment and is practical in various industries relating t from the circulatory cooling water system. The novel process has skillful design and compact process flow, saves the energy, protects the environment and is practical in various industries relating to low-temperature heat energy.o low-temperature heat energy.
Description
technical field [0001] The invention relates to a new technology for comprehensive utilization of environmental protection and energy-saving low-temperature thermal energy, which is a key technology for various industries related to the supply and demand of low-temperature thermal energy. technical background [0002] Industrial enterprises have great potential for utilization of low-temperature thermal energy, and the utilization of low-temperature thermal energy occupies an important position in current energy conservation. Utilization of low-temperature heat energy requires technological needs, technical feasibility, economical rationality, and environmental protection, so it is not an easy task. How to make full use of the latest technology and make full use of low-temperature potential heat energy is an important task and research topic before us. [0003] The recovery and utilization of low-temperature heat energy is generally divided into two categories: heat recover...
Claims
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IPC IPC(8): F25B27/00F25B15/06F22D11/06
CPCY02B30/62Y02A30/27Y02P80/10
Inventor 刘杰周清叶盛芳季文普颜芳马兆芳
Owner YANKUANG LUNAN CHEM FERTILIZER PLANT