Treatment and Comprehensive Utilization of Hot Spring Wastewater
A wastewater treatment and hot spring technology, applied in the field of hot springs, can solve the problems of destroying the natural ecological environment balance of the original water body, waste of resources, barren waters, etc., and achieve the effect of improving the use value and utilization rate, reducing environmental pollution, and saving resource costs
Active Publication Date: 2016-06-29
CHONGQING TECH & BUSINESS UNIV
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Problems solved by technology
The discharge of this one-time application of high-temperature geothermal tail water is not only a waste of resources, but also after the high-temperature tail water enters the surface waters, it will lead to a decrease in the dissolved oxygen concentration in the water area and a change in temperature, which will affect the composition of the aquatic biological community.
Hot spring wastewater contains a variety of mineral ions and some microorganisms, which can easily cause some algae and aquatic plants to spread, and what's more, it will make the water area barren, destroying the environmental indicators of the original water body and the balance of the natural ecological environment
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[0028] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0029] figure 1 It is a flow chart of the method for hot spring wastewater treatment and comprehensive utilization provided by the present invention. For ease of illustration, only the parts relevant to the present invention are shown.
[0030] A method for the treatment and comprehensive utilization of hot spring wastewater provided by the invention, the method comprises:
[0031] In S101: Recover the thermal energy of hot spring wastewater through water source heat pump technology, and use it for heating, hot water and cooling supply;
[0032] In S102: according to the selection principle of the flocculant, select a su...
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The invention discloses a method of treatment and comprehensive utilization of waste water from hot spring. The thermal energy of waste water from hot spring is recovered by a water source heat pump technology and used for heating, hot water and cooling supply; combination of appropriate flocculants is selected according to the selection principle of flocculants by experiments; the selected flocculants are added into waste water subjected to waste heat recovery to accelerate aggregation and sedimentation of solid particles in waste water, while a part of the soluble organic matters are removed; the irrigation threshold of corresponding indexes is determined through the detection of the conductivity of the plant as a warning light for safety assessment of hot spring water plants irrigation; the treated wastewater from hot spring is disinfected and the disinfected bathing wastewater is used for flowers irrigation, landscape, car wash, etc. According to the method of treatment and comprehensive utilization of waste water from hot spring, which is disclosed by the invention, the utilization value and utilization ratio of hot spring resources are greatly enhanced, and resources cost and water resources are saved while pollution to the environment is reduced.
Description
technical field [0001] The invention belongs to the field of hot springs, in particular to a method for treating and comprehensively utilizing hot spring wastewater. Background technique [0002] Hot spring water contains a variety of mineral ions. It is mainly used for bathing. After bathing, it also contains a lot of heat energy, but it is also slightly polluted. After proper treatment, the waste heat can be recovered and used for irrigation and landscape water. At present, the development and utilization modes mainly include: direct geothermal heating; bath therapy and health care; entertainment, tourism; planting and breeding; waste heat heating; aquaculture; agricultural utilization. [0003] In recent years, the utilization of geothermal energy has developed rapidly, especially geothermal heating, hot spring recuperation, and entertainment, etc., have developed rapidly and expanded in scale. The waste of hot spring resources is common. Hot spring enterprises seldom t...
Claims
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IPC IPC(8): C02F9/04
CPCY02B30/52
Inventor 幸宏伟秦坤蓉徐武东
Owner CHONGQING TECH & BUSINESS UNIV