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Neutron material level meter and delayed coking liquid level analysis system

An analysis system and material level meter technology, which are applied in the field of neutron material level meter and delayed coking liquid level analysis system, can solve the problems of low work efficiency, inability to calculate the height value of coke layer, easy occurrence of safety problems, etc. Effectiveness of utilization rate, shortening cycle period, and preventing foam topping

Active Publication Date: 2017-05-10
北京华科拓普电子仪器有限公司
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Problems solved by technology

The existing delayed coking liquid level analysis system cannot calculate the real-time height value of the upper edge of the coke layer well, resulting in low work efficiency and prone to safety problems

Method used

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  • Neutron material level meter and delayed coking liquid level analysis system
  • Neutron material level meter and delayed coking liquid level analysis system
  • Neutron material level meter and delayed coking liquid level analysis system

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Embodiment Construction

[0042] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments of the present invention belong to the protection scope of the present invention.

[0043] Such as Figure 1-8As shown, a neutron level gauge according to an embodiment of the present invention includes a housing 1, the front side of the housing 1 is provided with an opening for outgoing lines and maintenance, and the rear side of the housing 1 is provided with There is a baffle 20, and the baffle 20 is provided with several ventilation holes 21 connected with the inner side of the housing 1, the inner side of the housing 1 is provided with a support frame, and the top of th...

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Abstract

The invention discloses a neutron material level meter and a delayed coking liquid level analysis system. The neutron material level meter comprises a shell body, wherein an opening is formed in the front side of the shell body; a baffle with an air vent is formed in the rear side of the shell body; a supporting frame is arranged on the inner side of the shell body; a transmitter explosion-proof shell is arranged at the top of the supporting frame; a transmitter connected with a neutron material level meter main engine is arranged in the transmitter explosion-proof shell; two neutron detector explosion-proof shells are arranged below the transmitter explosion-proof shell, wherein at least one neutron detector explosion-proof shell is internally provided with a helium-3 pipe connected with the transmitter; a neutron radioactive source mounting shell is arranged between the two neutron detector explosion-proof shells; a neutron radioactive source mounting hole is formed in the top of the shell body; a hole cover capable of being opened and closed is arranged on the neutron radioactive source mounting hole. According to the neutron material level meter disclosed by the invention, a scattering and moderation principle of neutrons in a hydrogen-containing medium is used for distinguishing a dynamic distribution rule of states of all materials in a tower; an upper-layer real-time height indication value of a coke layer is given under the matching of a tower-bottom oil injection starting signal.

Description

technical field [0001] The invention relates to the technical field of petroleum processing equipment, in particular to a neutron material level gauge and a delayed coking liquid level analysis system. Background technique [0002] Delayed coking is a petroleum secondary processing technology, which refers to the deep thermal cracking and condensation reaction at high temperature (about 500°C) using hydrogen-poor heavy oil as raw material to produce rich gas, naphtha, diesel oil, and wax oil and coke technology. It is one of the main methods of deep processing of residual oil in the world, and its processing capacity accounts for one-third of the residual oil processing capacity. The existing delayed coking liquid level analysis system cannot well calculate the real-time height value of the upper edge of the coke layer, so that the work efficiency is low and safety problems are prone to occur. [0003] Aiming at the problems in the related technologies, no effective soluti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N23/222G01F23/00
CPCG01F23/00G01N23/222G01N2223/074G01N2223/106Y02E30/30
Inventor 杜立新常俊珍刘征孙颖杜竹韬
Owner 北京华科拓普电子仪器有限公司
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