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Fuel gas odorizing device

A gas and gas pipeline technology, applied in gas/liquid distribution and storage, pipeline systems, mechanical equipment, etc., can solve the problems of easy aging of thin films, reduced accuracy, and high maintenance rate, and achieve expansion of automatic adjustment range and fast response speed. , the effect of a wide range of applications

Inactive Publication Date: 2011-02-16
北京世纪大地燃气有限公司
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  • Abstract
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Problems solved by technology

Then, the working shaft drives the cylinder in the oil cylinder to reciprocate horizontally, forcing the elastic diaphragm to deform and absorb the odorant, which makes the film easy to age, resulting in reduced accuracy, even leakage, and high maintenance rate

Method used

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  • Fuel gas odorizing device
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Embodiment Construction

[0030] In the following description, numerous specific details are given in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without one or more of these details. In other examples, some technical features known in the art are not described in order to avoid confusion with the present invention.

[0031] In the present invention, the injection unit is used to replace the conventionally used odorizing pump in the prior art as an odorizing device, and an appropriate amount of odorizing agent is added to the gas so that an automatic alarm can be triggered to automatically alarm once the gas leaks. Specifically, the ejection unit of the present invention is based on the ejection principle, and uses high-energy gas to eject low-energy gas, so as to achieve the purpose of adding an appropriate amount of odorant to the gas pipeline.

[0032] Such as figure 1 T...

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Abstract

The invention discloses a fuel gas odorizing device, which comprises an odorant storage unit, an ejector unit, a fuel gas pipeline, an odorant delivery pipe, a fuel gas signal pipe, a drug injection pipe, a pressure control valve arranged on the odorant delivery pipe and auxiliary equipment comprising a connecting valve and other control valves. The ejector unit is used for mixing the fuel gas and the odorant. The fuel gas signal pipe controls the pressure control valve according to fuel gas flow to control the dosage of the odorant. The drug injection pipe is used for injecting the fuel gas added with the odorant into the fuel gas pipeline for fuel gas supply. The odorizing device of the invention has a simple structure, low construction cost, high degree of automation, convenient maintenance and management and low operation cost, and combines a complex mechanical device and a control system in the prior art into one.

Description

technical field [0001] The invention relates to a gas odorizing device and belongs to the technical field of gas odorization. Background technique [0002] If there is a gas leakage during the gas supply process, on the one hand, it is easy to form an explosive mixture and cause an explosion; on the other hand, it is easy to cause poisoning and death, causing casualties and property losses. In order to detect gas leakage in time and take effective measures to control gas leakage in time, it is usually necessary to install an alarm during the supply process of town gas to warn of gas leakage according to the odor concentration in the air. Usually the minimum amount of odorant in the gas should meet the following provisions in the "Code for Design of Town Gas": (1) When non-toxic gas leaks into the air and reaches 20% of the lower explosion limit, it should be detected in time; (2) Toxic When the gas leaks into the air and reaches the harmful concentration allowed to the huma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F17D3/12
Inventor 全志利唐志祥周东来
Owner 北京世纪大地燃气有限公司
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