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Device for carrying out cavitation treatment on sewage by utilizing ship waste heat and working method

A sewage and waste heat technology, applied in chemical instruments and methods, heating water/sewage treatment, special treatment targets, etc., can solve the problems of reduced service life, vibration fatigue, etc., and achieve convenient operation, low maintenance costs, and low energy consumption Effect

Pending Publication Date: 2021-06-25
JIANGSU UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The equipment uses two combined cavitation devices installed concentrically and symmetrically for fluid impact, but multiple impacts produce vibration fatigue, which reduces the service life of the equipment

Method used

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  • Device for carrying out cavitation treatment on sewage by utilizing ship waste heat and working method
  • Device for carrying out cavitation treatment on sewage by utilizing ship waste heat and working method
  • Device for carrying out cavitation treatment on sewage by utilizing ship waste heat and working method

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Embodiment Construction

[0038] In order to make the above objects, characteristics and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0039] Such as figure 1 As shown, it is a device for cavitation treatment of sewage by using ship waste heat according to an embodiment of the present invention. The device includes: a first sewage tank 1, a centrifugal pump 2, a heat exchanger 3, an engine jacket water tank 4, and an expansion valve 5. Combined cavitation device 6, differential pressure transmitter 7, second sewage tank 8, detection device 9, first stop valve 10, second stop valve 11. The first sewage tank 1 is connected to the centrifugal pump 2 through a pipeline, the centrifugal pump 2 is connected to the expansion valve 5 through a pipeline, and the expansion valve 5 is connected to the a interface of the heat exchanger 3...

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Abstract

The invention discloses a device for carrying out cavitation treatment on sewage by utilizing ship waste heat and a working method.The device comprises a first sewage tank, a centrifugal pump, a heat exchanger, an engine cylinder sleeve water tank, a combined cavitation device, a second sewage tank, a detection device, a first stop valve and a second stop valve, wherein the first sewage tank is connected with the centrifugal pump through a pipeline; the centrifugal pump is connected with a heat exchanger interface a through a pipeline, a heat exchanger interface b is connected with the combined cavitation device through a square and round pipeline, a heat exchanger interface c and a heat exchanger interface d are connected with the engine cylinder sleeve water tank through pipelines, the combined cavitation device is connected with the second sewage tank through a pipeline, the second sewage tank is connected with a detection device and a first stop valve through pipelines, and the second sewage tank is connected with the first sewage tank through a pipeline. The device has the function of efficiently treating sewage, the ship waste heat is effectively utilized, the sewage temperature can be increased, the cavitation efficiency and the sewage purification efficiency are improved, and the energy consumption is reduced.

Description

technical field [0001] The invention relates to a device and a working method for cavitation treatment of sewage by utilizing the waste heat of ships. The cavitation effect is maximized by utilizing the waste heat, and the sewage discharge requirements are met through the cavitation treatment of sewage. The utility model belongs to the technical field of energy utilization and environmental protection. Background technique [0002] Due to the continuous development of human beings, the damage to the ecological environment is relatively serious. The growth of population is accompanied by the growth of garbage. Every year, billions of tons of waste are discharged into the sea, and a large amount of pollutants are discharged into the sea without restraint. , coastal estuaries, bays, and coastal areas adjacent to large and medium-sized cities have intensified pollution, the quality of the marine environment has declined year by year, and the scope of offshore pollution has expan...

Claims

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Application Information

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IPC IPC(8): C02F1/34C02F1/02C02F101/30
CPCC02F1/34C02F1/02C02F2303/10C02F2101/30
Inventor 温华兵单敬伟钱徐芹魏海婴杨文明
Owner JIANGSU UNIV OF SCI & TECH
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