Mineralization device in double-membrane seawater desalination process
A double-membrane method and process technology, which is applied in seawater treatment, water/sewage treatment, chemical instruments and methods, etc., can solve the problems of seawater turbidity and suspended solid concentration requirements, long process flow, complicated operation, etc., and achieve mineralization Good effect, good economy and high hardness
Inactive Publication Date: 2020-07-10
青岛百发海水淡化有限公司
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Problems solved by technology
During the filling process of the existing mineralization device, other substances are easy to enter the mineralization process, and the produced water after mineralization generally enters the water product pool directly for water supply, which has a great impact on the water quality of the final produced water
In addition, in addition to the problem of consumables, the existing mineralization device also needs different chemical cleaning devices, and the system is complicated
Although the double-membrane seawater desalination technology provided by the existing technology solves the problems of long process flow, complicated operation and high energy consumption, it has strict requirements on seawater turbidity and suspended solids concentration
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[0033] For ease of understanding, the technical solutions of the present invention are further specifically described below in conjunction with the accompanying drawings and through embodiments:
[0034] Such as Figure 1-Figure 4 As shown, a mineralization device in a double-membrane seawater desalination process includes a CO2 control system 1, a reaction system 2, a filtration and sterilization system 3, a water inlet system 4 and a drinking water storage tank 5.
[0035] Both the CO2 control system 1 and the water inlet system 4 are connected with the reaction system 2 , the reaction system 2 is connected with the filtering and sterilizing system 3 , and the filtering and sterilizing system 3 is connected with the drinking water storage tank 5 .
[0036] The CO2 control system 1 includes a pressure stabilizing system 1-1, a carbon dioxide pressure reducing valve 1-2, a carbon dioxide intake valve one 1-3, a carbon dioxide intake valve two 1-4 and a pressure sensor one 1-5....
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A mineralization device in a double-membrane seawater desalination process comprises a CO2 control system, a reaction system, a filtering and sterilizing system, a water inlet system and a drinking water storage tank. The CO2 control system, the filtering and sterilizing system and the water inlet system are respectively connected with the reaction system, and the filtering and sterilizing systemis connected with the drinking water storage tank. The CO2 control system comprises a pressure stabilizing system, a carbon dioxide pressure reducing valve, a carbon dioxide inlet valve and a first pressure sensor. The reaction system comprises a mixer, a packed tower and a disinfectant storage tank. The water inlet system comprises a raw water pump, a raw water inlet valve, a temperature conductor and a first conductivity conductor. The filtering and sterilizing system comprises a filter and an ultraviolet sterilizing device. The production efficiency is high, the hardness of product water ishigh, the drinking water requirement is met, and the precipitation content of the trace element strontium reaches the standard of drinking natural mineral water.
Description
technical field [0001] The invention belongs to the technical field of seawater desalination, and in particular relates to a mineralization device in a double-membrane seawater desalination process. Background technique [0002] In the double-membrane seawater desalination method, the water produced after the reverse osmosis desalination process has low mineral content. Drinking it for a long time will have adverse effects on the body, and the reverse osmosis produced water will corrode the water pipeline and cause red water phenomenon. Therefore, the reverse osmosis produced water needs to increase the mineralization process, increase the mineral content and alkalinity, so that the produced water meets the drinking water standard and is not corrosive. During the filling process of the existing mineralization device, other substances are easy to enter the mineralization process, and the produced water after mineralization generally enters the water product pool directly for ...
Claims
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IPC IPC(8): C02F9/08C02F103/08
CPCC02F9/00C02F1/001C02F1/32C02F1/50C02F1/68C02F1/441C02F2103/08
Inventor 张晓东杨兴涛赵洪武吴成志刘长青
Owner 青岛百发海水淡化有限公司