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A planar ceramic valve for chemical oxygen demand analyzer

A chemical oxygen demand and analyzer technology, applied in the field of ceramic valves, can solve the problems of poor high temperature performance, corrosion of parts and poor reliability, and achieve the effects of low friction resistance, high sealing performance and good stability

Active Publication Date: 2017-03-22
ZHEJIANG CHUNHUI INTELLIGENT CONTROL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Ordinary electromagnetic stainless steel valves have problems such as severe corrosion of parts, poor high temperature performance, high energy consumption, poor reliability and short service life under high temperature and high corrosiveness.

Method used

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  • A planar ceramic valve for chemical oxygen demand analyzer
  • A planar ceramic valve for chemical oxygen demand analyzer

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Embodiment Construction

[0019] Such as figure 1 As shown, a planar ceramic valve for chemical oxygen demand analyzer includes valve body 2, liquid inlet joint 6, liquid outlet joint 13, static ceramic sheet 12, moving ceramic sheet 14, sealing ring 7, the chemical demand The planar ceramic valve for oxygen analyzer is characterized by two lock nuts 5, two static ceramic discs 12, two sealing rings 7, two cages 8, one valve stem 3, two guide sleeves 4 , a cover plate 1, a base plate 11, a motor bracket 10, a stepping motor 9; the valve body 2 is cuboid, its longitudinal end face is provided with a longitudinal stepped through hole, and the transverse end face is provided with a transverse stepped through hole , the longitudinal stepped through hole and the transverse stepped through hole are perpendicular to each other, pass through, and the axes intersect, and the two sides of the longitudinal stepped through hole are respectively provided with a cover plate 1 and a bottom plate 11, and the cover pla...

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Abstract

The invention discloses a plane ceramic valve for a chemical oxygen demand analysis meter. The plane ceramic valve can be used for a water oxygen demand analysis meter, can convey tested water samples and strong-acid, strong-alkali and strong-corrosivity media, can bear high temperature above 180 DEG C for a long time and can achieve fast online cleaning, and the low-energy-consumption limiting translation valve technology is achieved. The plane ceramic valve is composed of a valve body, a liquid inlet connector, a liquid outlet connector, two locking nuts, two static ceramic sheets, two sealing rings, two holders, a valve rod, two guide sleeves, a cover plate, a bottom plate, a bottom plate, a motor support and a stepping motor. The plane ceramic valve is reasonable in medium channel design, sealing and valve rod structure and small in resistance, the stepping motor capable of automatically turning off a power source is adopted, the running energy consumption of the valve is greatly reduced, all the components of the valve are of a detachable and washable structure, online cleaning is facilitated, parts involved in a medium channel are made of high-abrasion-resisting and high-temperature-resisting materials, and the rest of parts are made of stainless steel.

Description

technical field [0001] The invention relates to a strong corrosion-resistant, high-temperature-resistant, low-energy-consumption ceramic valve that can be quickly cleaned online for a chemical oxygen demand analyzer, and belongs to the technical field of special valve manufacturing. Background technique [0002] In the chemical oxygen demand analyzer, various tested water samples, strong acids, strong alkalis, and strong corrosive reagents need to be sent to the reaction chamber, and the maximum temperature reaches 180°C. Ordinary electromagnetic stainless steel valves have problems such as severe corrosion of parts, poor high temperature performance, high energy consumption, poor reliability, and short service life under high temperature and high corrosiveness. Contents of the invention [0003] The purpose of the present invention is to provide a flat ceramic valve, which can be used in water quality oxygen demand analyzers, can transport tested water samples, strong aci...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K3/02F16K3/30F16K31/04
CPCF16K3/02F16K3/314F16K31/04
Inventor 徐岳锋茅媛媛陈银娣梁秦锋黄雅琴徐灿桥胡冬琦
Owner ZHEJIANG CHUNHUI INTELLIGENT CONTROL
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