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Title:
EXPLOSION-PROOF APPARATUS FOR MEASURING CONCENTRATION OF RESIDUAL CHLORINE
Document Type and Number:
WIPO Patent Application WO/2022/092720
Kind Code:
A1
Abstract:
The present invention relates to an explosion-proof apparatus for measuring the concentration of residual chlorine, the apparatus comprising: a measurement unit including a light-emitting part and a light-receiving part and having a sample water inlet pipe through which sample water is introduced and a sample water discharge pipe through which sample water after completion of measurement is discharged; a reagent storage unit including a reagent inlet pipe so as to introduce a reagent into the measurement unit; a control unit which, after light generated by the light-emitting part passes through sample water, measures the concentration of an oxidant in the sample water on the basis of a signal received by the light-receiving part; an inlet valve and a discharge valve installed in the sample water inlet pipe and the sample water discharge pipe, respectively, each being configured by a pneumatic valve; and a reagent injection device installed in the reagent inlet pipe so as to control the inflow of a reagent, wherein the reagent inlet pipe at least includes an elastic pipe made of an elastic material, and the reagent injection device is driven by air to press the elastic pipe.

Inventors:
PARK SEOG WON (KR)
KIM SEONG TAE (KR)
KWON KYUNG AHN (KR)
LEE GWANG HO (KR)
Application Number:
PCT/KR2021/014938
Publication Date:
May 05, 2022
Filing Date:
October 22, 2021
Export Citation:
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Assignee:
TECHCROSS INC (KR)
International Classes:
G01N21/3577; B63B43/06; B63J4/00; G01N21/03; G01N21/59; G01N21/75; G01N21/77; G01N33/18
Foreign References:
KR20200053122A2020-05-18
KR200148933Y11999-06-15
KR20200107285A2020-09-16
KR101784704B12017-10-12
JP2016176779A2016-10-06
Attorney, Agent or Firm:
CHOI, Sang Hyun (KR)
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