Waste liquid evaporator multi-parameter measuring device and measuring method

A measuring device and evaporator technology, which is applied in the field of nuclear facility waste liquid evaporation treatment and nuclear power plant, can solve the problem that the integrated evaporator cannot arrange the instrument port, etc., and achieve the effect of integrated measurement, mutual interference prevention and accurate measurement

Inactive Publication Date: 2018-02-16
NUCLEAR POWER INSTITUTE OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a multi-parameter measuring device for a waste liquid evaporator, which can realize the integrate

Method used

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  • Waste liquid evaporator multi-parameter measuring device and measuring method
  • Waste liquid evaporator multi-parameter measuring device and measuring method
  • Waste liquid evaporator multi-parameter measuring device and measuring method

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0044] Example 1:

[0045] Such as Figure 1 to Figure 4 As shown, a multi-parameter measuring device for a waste liquid evaporator includes a bypass pipe 106 communicating with the lower part of the evaporator 200 The evaporator 200 is an integrated steam generator. The integrated steam generator includes a shell. A heating chamber 101, a separation chamber 100, a bubble tower 102, and a wire mesh defoamer are sequentially arranged from bottom to top in the shell. The top and bottom of the housing are respectively provided with a secondary steam outlet pipe 104 and a drain pipe 105, the free end of the bypass pipe 106 is set upward, and the free end of the bypass pipe 106 is provided with A flange, the flange is provided with a first liquid level measuring tube 1, a liquid level measuring tube 3, a density measuring tube 2 and a temperature measuring tube 4, the first liquid level measuring tube 1 The second liquid level measuring tube 3 Density measuring tube 2 And temperat...

Example Embodiment

[0046] Example 2:

[0047] Such as Figure 1 to Figure 4 As shown, this embodiment is based on Embodiment 1. The measuring mechanism further includes a steam cleaning pipe 9 which is divided into 3 branches by a four-way valve, and the 3 branches are connected to the first liquid level measuring pipe. 1. The second liquid level measuring tube 3 and the density measuring tube 2 are connected.

Example Embodiment

[0048] Example 3:

[0049] Such as Figure 1 to Figure 4 As shown, this embodiment is based on Embodiment 1. The bypass pipe 106 and the evaporator 200 are in three-stage communication, the first-stage communication is that the bypass pipe 106 communicates with the heating chamber 101, and the first-stage communication mode is bypass. The through pipe 106 is directly welded to the evaporator 200 of the evaporator device. The second level of communication is that the bypass pipe 106 communicates with the lower part of the separation chamber 100, and the third level of communication is that the bypass pipe 106 communicates with the upper part of the separation chamber 100; The method is that the bypass pipe 106 and the separation chamber 100 are connected in a flange type.

[0050] Example 3:

[0051] Such as Figure 1 to Figure 4 As shown, this embodiment is based on embodiment 1, the first liquid level measuring tube 1, the second liquid level measuring tube 3, the density measuri...

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Abstract

The present invention discloses a waste liquid evaporator multi-parameter measuring device and a measuring method. The measuring device comprises a bypass pipe communicated with the lower part of an evaporator; the free end of the bypass pipe is arranged upwards; the free end of the bypass pipe is provided with a flange; the flange is provided with a first liquid level measuring pipe, a second liquid level measuring pipe, a density measuring pipe and a temperature measuring pipe; one end of the first liquid level measuring pipe, one end of the second liquid level measuring pipe, one end of thedensity measuring pipe and one end of the temperature measuring pipe extend into the bypass pipe; the other end of the temperature measuring pipe is provided with a platinum resistor thermometer; andthe other ends of the first liquid level measuring pipe, the second liquid level measuring pipe and the density measuring pipe are connected with a measuring mechanism. According to the waste liquidevaporator multi-parameter measuring device and measuring method of the invention, the bypass pipe is arranged on the evaporator; temperature, liquid level and density measurement are simultaneously performed in the bypass pipe; and the engineering problems of difficulty in evaporator equipment instrument opening distribution and difficulty in measurement can be solved.

Description

technical field [0001] The invention relates to the technical field of waste liquid evaporation treatment of nuclear power plants and nuclear facilities, in particular to a multi-parameter measuring device and a measuring method for a waste liquid evaporator. Background technique [0002] A large amount of radioactive low-level and intermediate-level waste liquid generated by the operation of the reactor needs to be purified and treated efficiently before it can be released to the environment after reaching the national emission limit. At present, purification treatment technologies include evaporation treatment, ion exchange, chemical precipitation, reverse osmosis and other methods, but evaporation treatment is still the most mature and effective purification technology. [0003] In the evaporation process of radioactive waste liquid, the evaporator is an important heat exchange equipment, and the measurement parameters that need to be monitored in the equipment include li...

Claims

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Application Information

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IPC IPC(8): G01D21/02
CPCG01D21/02
Inventor 杨兰菊马兴均李文钰陈先林陈莉孙圣权李振臣林力马贞钦刘辰龙高峰刘宇昊龚应伟张家衡戴钧李红
Owner NUCLEAR POWER INSTITUTE OF CHINA
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