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Long oil refining and two oil and gas recovery systems in addition to odor increase efficiency

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Long oil refining and two oil and gas recovery systems in addition to odor increase efficiency

Date of release:2018-10-22 Author: Click:

       Since the second oil and gas recovery unit of Changling Refining and Refining has been in operation since last September, the system has been running stably, which not only effectively treated the odor of the site, but also eliminated the safety hazard of flashover in the sewage tank area, and brought certain economic benefits. The running effect is ideal.


        Previously, Changling Refining and Refinery II two sets of sewage stripping unit sewage tank area has odor, which has certain impact on the environment. Although the odor treatment facilities have been put into operation one after another, the treatment effect is not good. In order to effectively control the waste gas generated by the sewage tank, the national environmental protection requirements for non-methane total hydrocarbon emission concentration is not more than 120 mg/m3, and the safety hazards on the site are eliminated. The Changling Refining and Chemical Management Department has contacted the headquarters and relevant research institutions. Introduce domestic advanced oil and gas recovery technology.


      The new technology adds a nitrogen sealing device and a water washing tank. The exhaust gas generated by the sewage tank is sealed into the flare system after being washed by the water tank, and the nitrogen sealing facility can prevent oxygen from entering the large tank and reduce the risk of flashing of the large tank. After the system is put into operation, the emission of non-methane total hydrocarbons directly drops to zero, which not only meets the national environmental emission requirements, but also completely solves the problem of odor on the spot, and can recover 50 standard cubic meters per hour of industrial flammable gas, achieving safety and environmental protection. Three major effects of energy saving.


      The new oil and gas recovery system has a simple process and low investment. Compared with some solvent treatment methods that are currently used more, the technology does not produce some waste chemicals and secondary pollutants that are difficult to handle, and reduces the generation of solid waste. The stable operation of the oil and gas recovery system has made the odor treatment facilities of the previous sewage tanks basically in standby state, directly saving the cost of deodorant and other materials, which is about 360,000 yuan/year, and has achieved good economic benefits.




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