Two-stage MVR (mechanical vapor recompression) wastewater recovery treatment system
A waste water recovery and treatment system technology, applied in multi-stage water treatment, water/sewage treatment, water treatment parameter control, etc., can solve the problem of large energy consumption and achieve the effect of reducing energy consumption
Inactive Publication Date: 2021-07-27
苏州美田环保科技有限公司
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Problems solved by technology
[0005] The purpose of the present invention is to solve the problem of large energy consumption in the existing wastewater treatment process, and propose a two-stage MVR wastewater recovery and treatment system
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[0017] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0018] refer to Figure 1 to Figure 2 , the present invention is a two-stage MVR waste water recovery and treatment system, comprising a primary booster 10, a secondary booster 20 and a steam compressor 30, the primary booster 10, and the secondary booster 20 each having a steam outlet 11, The two steam outlets 11 are connected with the steam compressor 30 through the steam pipeline 12, and the primary booster 10 and the secondary booster 20 all have ...
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The invention discloses a two-stage MVR (mechanical vapor recompression) wastewater recovery treatment system which comprises a first-stage evaporator, a second-stage evaporator and a vapor compressor, each of the first-stage evaporator and the second-stage evaporator is provided with a vapor outlet, and the two vapor outlets are connected with the vapor compressor through vapor pipelines. The first-stage evaporator and the second-stage evaporator are respectively provided with an evaporator feed port, the evaporator feed port of the first-stage evaporator is connected with a first-stage heat exchanger, the evaporator feed port of the second-stage evaporator is connected with a second-stage heat exchanger, the first-stage heat exchanger is provided with a first feed port, the first feed port is connected with a first circulating pump, the first circulating pump is provided with a second feeding hole, and the second feeding hole is connected with an acid-base neutralization system. Thus, the first-stage evaporator is used for pre-evaporation, the second-stage evaporator is used for evaporation and crystallization, and the system is used for recycling available solutes in wastewater, preventing all moisture from being evaporated under saturated higher concentration, and reducing the energy consumption of the recycling system.
Description
technical field [0001] The invention relates to the field of wastewater treatment, in particular to a two-stage MVR wastewater recovery and treatment system. Background technique [0002] In the process of industrial wastewater treatment, the MVR steam process not only completes the treatment of wastewater pollutants, but also realizes the recycling of materials and energy, greatly improving resource utilization efficiency and reducing economic costs. The application of the MVR steam process has made a significant contribution to the progress and development of my country's industrial wastewater treatment technology, and is a new technology that is being promoted. [0003] The existing MVR wastewater recovery and treatment system cannot treat acidic or alkaline wastewater well, and the energy consumption in the wastewater treatment process is relatively large. [0004] For this reason, it is necessary to provide a two-stage MVR wastewater recovery and treatment system to so...
Claims
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IPC IPC(8): C02F9/10C02F1/04
CPCC02F9/00C02F1/048C02F1/043C02F2301/08C02F1/66C02F2209/06
Inventor 王磊磊
Owner 苏州美田环保科技有限公司