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污油泥处理技术设备的主要优点 (The main advantages of sludge treatment technology equipment)

污油泥处理技术设备的主要优点 (The main advantages of sludge treatment technology equipment)

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  • 发布时间:2020-08-11
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【概要描述】含油污泥是石油大学化工技术产业中的主要研究污染物,成分进行复杂,含大量中国原油,其中包括石油烃(PHCs)是宝贵的资源。我国对于含油污泥中PHCs 含量约占15-50%,含固体颗粒物量5-46%,含水率影响一般为35-90%,pH 值通常在6.5-7.5之间.


Oily sludge is a major research pollutant in the chemical technology industry of the University of Petroleum. Its composition is complex, and it contains a lot of crude oil from China, including petroleum hydrocarbons (PHCs), which are valuable resources.
In China, the content of PHCs in oily sludge accounts for about 15-50%, the content of solid particles is 5-46%, the influence of water content is generally 35-90%, and the pH value is usually between 6.5-7.5.

污油泥处理技术设备的主要优点 (The main advantages of sludge treatment technology equipment)

【概要描述】含油污泥是石油大学化工技术产业中的主要研究污染物,成分进行复杂,含大量中国原油,其中包括石油烃(PHCs)是宝贵的资源。我国对于含油污泥中PHCs 含量约占15-50%,含固体颗粒物量5-46%,含水率影响一般为35-90%,pH 值通常在6.5-7.5之间.


Oily sludge is a major research pollutant in the chemical technology industry of the University of Petroleum. Its composition is complex, and it contains a lot of crude oil from China, including petroleum hydrocarbons (PHCs), which are valuable resources.
In China, the content of PHCs in oily sludge accounts for about 15-50%, the content of solid particles is 5-46%, the influence of water content is generally 35-90%, and the pH value is usually between 6.5-7.5.

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  • 发布时间:2020-08-11
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含油污泥是石油大学化工技术产业中的主要研究污染物,成分进行复杂,含大量中国原油,其中包括石油烃(PHCs)是宝贵的资源。我国对于含油污泥中PHCs 含量约占15-50%,含固体颗粒物量5-46%,含水率影响一般为35-90%,pH 值通常在6.5-7.5之间,同时也含有需要大量胶质、沥青质以及苯系物、蒽、酚、芘等有毒有害社会物质,甚至我们还有一些放射性污染物质和重金属,其中存在很多企业物质文化具有“三致”效应(如多环芳烃(PAHs))。含油污泥因具有一定毒性和易燃性而被列入《国家相关危险废物管理名录(2018)》(HW08 废矿物油与含矿物油废物),所以对污油泥处理技术设备格外严格,若处理方法不当行为会对学生生态经济环境和人类发展健康问题造成一个严重安全威胁。

Oily sludge is a major research pollutant in the chemical technology industry of the University of Petroleum. Its composition is complex, and it contains a lot of crude oil from China, including petroleum hydrocarbons (PHCs), which are valuable resources. PHCs content in our country for oily sludge accounted for about 15-50%, content of solid particles, 5-46% moisture content influence of 35-90%, pH value between 6.5 to 7.5, usually also contain needs a large number of glial, asphaltene and benzene series, anthracene, phenol, pyrene and other toxic substances harmful to society, we have some radioactive pollutants and heavy metals, even there are a lot of enterprise material culture with "three" effect (such as polycyclic aromatic hydrocarbons (PAHs)). Oily sludge for have certain toxicity and flammability included in the list of relevant national hazardous waste management (2018) (HW08 waste mineral oil and mineral oil waste), so all the more to sewage sludge treatment technology and equipment, strictly misconduct if processing method to the ecological environment and human economic development to the student health problems cause a serious security threat.

 


油泥处理技术设备使用这个过程的主要优点是:

Sludge treatment technology equipment using this process is the main advantages:

 


一、热解率得到提升:

The pyrolysis rate was improved


热解的条件是需要社会环境可以保持一个高温进行加热的状态,本工艺技术最大的优势主要在于通过利用传统三段封闭绝热控温式转窑结构。混合段,温度在650℃~800℃,初次加热含油污泥,传热段温度在850℃~950℃,进一步发展补充大量热量;燃烧段,达到1100℃~1300℃。由于污油泥处理技术设备不断的提升工作温度,温度数据逐级升高,弥补了市场反应研究过程中的热损耗,将前期我们未能被热分解的复杂一些有机物再次加热热解,将含油污泥系统中所含有机物组分能够彻底热解,避免我国现存热解工艺方面存在具有少量PHCs(石油烃类)残余的现象,大幅度增加提高了油泥热解处理的热解率。

The condition of pyrolysis is that the social environment can be kept in a state of high temperature for heating. The biggest advantage of this technology is mainly through the use of the traditional three-stage closed adiabatic temperature control rotary kiln structure. In the mixing section, the temperature is 650℃~800℃, the initial heating of oily sludge is 850℃~950℃, and the heat transfer section is further developed to supplement a lot of heat. Combustion section, up to 1100℃~1300℃. Because of sewage sludge treatment technology and equipment constantly improve working temperature, the higher temperature data are uploaded, make up for the research of heat loss in the process of market reaction, will we not by the thermal decomposition of complex several reheating pyrolysis, organic matter contained in the oily sludge system can completely pyrolysis of organic component, avoid existing pyrolysis technology in our country there is a small amount of PHCs the phenomenon of residual hydrocarbons (oil), significantly increased the rate of the pyrolysis oil sludge pyrolysis process.

 


二、热能利用率提高:

Improved utilization rate of heat energy


在结构上,三级回转窑的每一段都有一个独立的夹层,使热解气体燃烧和污泥渣焚烧产生的高温烟气,以及炉内灰渣与污泥的间接但充分的接触。 充分向回转窑内层传递热量。 在热源的利用中,由于充分的热解,热解气体的纯度得到提高,高纯度热解的温度越高,热源的利用率越高。 此外,冷却灰可以与含油污泥混合,除了形成隔离层,防止泥浆粘在墙上,加速传热和干燥。 同时,灰分中碳的含量较高,可作为吸附催化,促进油泥的热解反应,降低热源需求。 综上,在相同热源条件下,污油泥处理技术设备可热解污泥较多,热源利用效率较高。

Structurally, each section of the three-stage rotary kiln has an independent interlayer, which enables high temperature flue gas generated by pyrolysis gas combustion and sludge slag incineration, as well as indirect but sufficient contact between ash slag and sludge in the furnace. Fully transfer heat to the inner layer of the rotary kiln. In the utilization of heat source, due to full pyrolysis, the purity of pyrolysis gas is improved. The higher the temperature of high-purity pyrolysis, the higher the utilization rate of heat source. In addition, cooling ash can be mixed with oily sludge, in addition to forming an isolation layer that prevents mud from sticking to the wall, accelerating heat transfer and drying. At the same time, the content of carbon in ash is high, which can be used as adsorption catalysis to promote the pyrolysis reaction of oil sludge and reduce the demand of heat source. In conclusion, under the same heat source condition, the technical equipment of sludge treatment can pyrolyze more sludge, and the heat source utilization efficiency is higher.

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