Pressure self-adjusting high-temperature digestion device for total phosphorus analyzer

• Main Authors: SUN HUAXIN, GU DINGTIAN, GUO GUANGLIANG
• Format: Patent
• Language: Chinese; English
• Published: 02.06.2020
• Subjects: CONTROLLING; INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; REGULATING; SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES; TESTING

The utility model relates to a pressure self-adjusting high-temperature digestion device for a total phosphorus analyzer. Application to field of water quality monitoring, key points of the technicalscheme are as follows: the key points are as follows; the device comprises a base shell, a digestion bottle, an upper joint and a lower joint, the upper end of the base shell is in threaded connectionwith a locking nut; a functional groove is formed in the locking nut; a through hole is formed in the upper end of the locking nut; the through hole is communicated with the functional groove; the smaller-diameter end of the upper joint extends into the functional groove and extends out of the through hole; one end of the elimination joint penetrates out of the base shell from the bottom of the base shell and is fixedly connected with the base shell; connecting holes are formed in the upper joint and the lower joint, a pressure release valve is in threaded connection with the circumferentialside wall of the upper join