Method for preparing desalted water by double-chamber floating bed ion exchange

A technology of ion exchange and floating bed, which is applied in the field of devices suitable for this method, can solve the problems of desalinated water discharge waste, water consumption and water production volume mismatch, etc., to reduce self-use water rate, shorten regeneration cycle, and reduce production costs Elevated effect

Active Publication Date: 2013-10-09
山西焦化股份有限公司
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Problems solved by technology

[0008] The purpose of the present invention is to provide a method for producing desalted water by ion exchange in a double-chamber floating bed to solve the problem that the water consumption per unit of water used in the subsequent water production cycle does not match the water production volume, resulting in waste of desalinated water.

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  • Method for preparing desalted water by double-chamber floating bed ion exchange

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Embodiment Construction

[0029] The structure of the double-chamber floating bed ion exchange desalination plant is as follows: figure 1 , including the first yang bed 1, the first yin bed 2, the second yang bed 3, and the second yin bed 4, the water inlet pipes of the first yang bed 1 and the second yang bed 3 are jointly connected with fresh water pipelines, and the first yang bed After the outlet pipe of bed 1 passes through the first intermediate water tank 5 and the first intermediate water pump 6, it communicates with the water inlet pipe of the first yin bed 2, and the outlet pipe of the second yang bed 3 passes through the second intermediate water tank 7 and the second intermediate water pump 8 After that, communicate with the water inlet pipe of the second yin bed 4, between the water inlet pipe of the first yin bed 1, the water inlet pipe of the second yang bed 3, the water outlet pipe of the first yin bed 2, and the water outlet pipe of the second yin bed 4 Through pipeline communication, ...

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Abstract

A method and a device for preparing desalted water by double-chamber floating bed ion exchange are disclosed, wherein two sets of devices for preparing desalted water by double-chamber floating bed ion exchange are arranged simultaneously; a communication pipeline is arranged between a cation bed inlet pipe and an anion bed outlet pipe of each set of devices; each communication pipeline is provided with an intermediate water tank and an intermediate water pump; communication pipelines are crosswise arranged between the cation bed inlet pipe and the anion bed outlet pipe between two sets of devices; the communication pipelines are provided with control valves; and a mode for water preparation by single set of devices, water preparation by two sets of devices connected in series, closed circulation by single set of devices, or closed circulation by two sets of devices is selected to be performed in two sets of devices by on-off of the control valves. The device prevents the bed from falling off when the fresh water does not enter the cation bed and the water is not delivered to a desalted water tank, the optimum operation conditions of the device is maintained, the problem of large discharge capacity of the desalted water is solved, and the purposes of reducing water discharge and saving water are achieved.

Description

technical field [0001] The invention relates to a method for preparing desalted water by double-chamber floating bed ion exchange, in particular a method for preparing desalted water by combining two sets of double-chamber floating bed ion exchange desalinated water devices, and a device suitable for the method. Background technique [0002] In recent years, the double-chamber floating bed ion exchange desalination process and its devices have been used more and more widely, involving many industries such as electric power, petrochemical, and metallurgy. The process flow is generally that fresh water passes through the yang bed lower chamber, yang bed chamber, decarburizer, intermediate water pump, yin bed lower chamber, yin bed chamber, desalinated water tank and desalted water pump in order for users to use. Generally, two sets of floating bed devices are designed, one device is in operation, and the other device is regenerated for standby. [0003] Compared with the coun...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/42
Inventor 刘文杰李金喜师晋恺刘国玉
Owner 山西焦化股份有限公司
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