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TPH-type balance vessel
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Classification:
Water Level Gauge Series
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TPH-type balance vessel
TPH-type balance container is a differential pressure type water level gauge components. It has the advantages of wide range of applicable pressure, high reliability, accurate water level measurement, and remote monitoring. It is widely used in water level monitoring of boiler drum, high and low heaters, condensers, etc. in electric power, petrochemical, and metallurgical industries.
Working principle
The differential pressure water level gauge uses the principle of differential pressure to measure the differential pressure value between the static pressure in the balancer and the static pressure of the actual water level in the container (which changes with the rise and fall of the water level). Through the differential pressure transmitter, the differential pressure value is converted into electrical signals and transmitted to the computer in the central control room to realize water level monitoring.
Technical advantages
The balance vessel is divided into single-chamber and double-chamber structures. The steam-water heat exchange of the ordinary single-chamber balance vessel is carried out in the balance vessel, so the water temperature above and below the balance vessel is different, and the temperature cannot be measured for density compensation, resulting in the density of the reference water column being the set estimated value and the water level difference. Our company's TPH-C type room temperature single-chamber balance container (patent number: ZL202020701433.X) moves the position of the steam connecting pipe on the balance container up, the condensate fills the balance container, and the steam-water heat exchange is carried out in the steam connecting pipe, so that the upper and lower water temperatures in the balance container are the same as the room temperature, and the temperature compensation is used to determine the reference water column density. Then the pressure is measured by the pressure transmitter to compensate the saturated water and steam density in the steam drum to determine the saturated steam and water density, so that the measured water level is more accurate.
TPH-type balance vessel has the function of heat tracing, using saturated steam in the drum to heat it, so that the temperature in the balance vessel is close to the temperature in the drum, and the accuracy of measuring the water level is improved.
Selection parameter table
| Product Model | Type | Working pressure | Working temperature | Center distance | Range |
| TPH-A | single room | ≤ 22MPa | ≤ 540 ℃ | 300～4000mm | 300～4000mm |
| TPH-B | double chamber | ≤ 22MPa | ≤ 540 ℃ | 300～4000mm | 300～4000mm |
| TPH-C | room temperature single chamber | ≤ 22MPa | ≤ 540 ℃ | 300～4000mm | 300～4000mm |
| TPH-D | Heat tracing double chamber | ≤ 22MPa | ≤ 540 ℃ | 300～4000mm | 300～4000mm |
| Material | 20G/SA106/304/316 or manufactured according to user requirements | ||||
| Connection mode | Welded or flanged connection | ||||
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