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 生活污水項目概況 

300m3/d生活污水處理工程。 

進水水質

項目  COD  BOD  SS   NH3-N TN

數(shù)值  250  100  100  35    60

出水水質

項目  COD  BOD  SS   NH3-N TN

數(shù)值  60   20   20    8    20

工藝流程簡介 

生活污水首先流至粗、細格柵去除粗大懸浮物及漂浮物后流入集水池，集水池出水經泵（考慮來水埋深可能較深，故設置提升泵）提升至調節(jié)池，在池內進行均質、均量的調節(jié)，出水經提升泵提升至生化系統(tǒng)（缺氧池+接觸氧化池），在缺氧內進行反硝化，通過反硝化細菌將污水中的硝態(tài)氮（包括接觸氧化池混合液回流中的硝態(tài)氮）轉化為氮氣，在接觸氧化池內通入空氣，以滿足好氧菌對氧氣的需求，同時通過空氣攪拌使池內污泥與污水充分混合，增加污水與好氧菌接觸機率，促進水中污染物的降解，較快去除水中污染物質；好氧池內的出水自流進入二沉池，進行泥水分離；二沉池上清液經消毒后達標排放。 

二沉池的污泥排至污泥濃縮池，經濃縮后送至帶式壓濾機脫水；脫水污泥外運處置，污泥濃縮池上清液和帶機壓濾液回流至集水池。

水處理是指為使水質達到一定使用標準而采取的物理、化學措施。飲用水的最低標準由環(huán)保部門制定。工業(yè)用水有自己的要求。水的溫度、顏色、透明度、氣味、味道等物理特性是判斷水質好壞的基本標準。水的化學特性，如其酸堿度、所溶解的固體物濃度和氧氣含量等，也是判斷水質的重要標準。

水處理目的是提高水質，使之達到某種水質標準。按處理方法的不同，有物理水處理、化學水處理、生物水處理等多種。按處理對象或目的的不同，有給水處理和廢水處理兩大類。給水處理包括生活飲用水處理和工業(yè)用水處理兩類; 廢水處理又有生活污水處理和工業(yè)廢水處理之分。其中，與熱工技術關系特別密切的有從屬于工業(yè)用水處理范疇的鍋爐給水處理、補給水處理、汽輪機主凝結水處理以及循環(huán)水處理等。水處理對發(fā)展工業(yè)生產、提高產品質量，保護人類環(huán)境、維護生態(tài)平衡具有重要的意義。

濟寧天通機械有限公司是從事水處理設備的生產與銷售一體化的公司。公司內設行政部、總工辦、質量安全管理部、工程技術部、經營部、財務部等多個專業(yè)部門，擁有各類管理人員，技術精湛的員工，專業(yè)的銷售人員。公司自成立以來，至今本著一切為用戶服務的宗旨，嚴格做到守合同、重信用，把企業(yè)效益與社會效益集為一體的理念，并使之逐年提高，制定和完善了一系列規(guī)章制度，有力的保證了公司的發(fā)展。

我公司主要產品：水處理設備，污水處理設備、廢水處理設備、工業(yè)污水設備、農業(yè)廢水設備、雨水凈水設備、醫(yī)院污水設備、鋼廠廢水設備、屠宰場廢水設備、食品廠廢水處理設備等多種設備，可根據要求專業(yè)定制水處理設備。

Survey of domestic sewage project

300m3/d domestic sewage treatment project.

Influent water quality

Project COD BOD SS NH3-N TN

Value 2501001003560

Water quality

Project COD BOD SS NH3-N TN

Value 602020820

Brief introduction of process flow

Into the pool of sewage flow to the first coarse and fine grid to remove coarse suspended solids and floats, sump water through the pump (water depth may be considered deeply, so set the lift pump) to the regulating pond, homogenized in the pool, adjusting both the amount of water, the lift pump to biochemical system (anoxic + contact oxidation pond), denitrification in the anoxic denitrifying bacteria in the sewage of nitrate nitrogen (including nitrate mixture flow in the contact oxidation tank) into nitrogen, air enters in the contact oxidation pool, to meet the demand of aerobic bacteria of oxygen. At the same time through the air stirred tank sludge and sewage mixed fully, increased contact with sewage aerobic bacteria to promote the degradation of pollutants in water by probability, the rapid removal of pollutants in water; the water flowing in the aerobic tank into the two into the settling tank. The mud water was separated and the supernatant of the two sink was discharged after disinfection.

Two sedimentation tank sludge discharged into the sludge thickening tank, concentrated and sent to the belt filter press dewatering; sludge dewatering Sinotrans disposal, sludge concentration in supernatant and filtrate returned to the sump pressure machine.

Water treatment refers to the physical and chemical measures taken to make water quality to a certain standard of use. The minimum standard for drinking water is formulated by the environmental protection department.  Industrial water has its own requirements. Water temperature, color, transparency, smell, taste and other physical characteristics are the basic criteria to judge the quality of water. The chemical properties of water, such as its acidity and alkalinity, the dissolved solid concentration and the oxygen content, are also an important criterion for judging the water quality.

The purpose of water treatment is to improve the water quality to meet some water quality standards. According to the different treatment methods, there are many kinds of physical water treatment, chemical water treatment, biological water treatment and so on. There are two categories of water treatment and wastewater treatment according to the different object or purpose. Water treatment includes two types of drinking water treatment and industrial water treatment, and wastewater treatment is also divided into domestic sewage treatment and industrial wastewater treatment. Among them, there are very close relations with thermal technology, such as boiler feed water treatment, replenishment water treatment, turbine main condensate treatment and circulating water treatment, which belong to industrial water treatment.  Water treatment is of great significance to the development of industrial production, the improvement of product quality, the protection of the human environment and the maintenance of ecological balance.

Jining Tian Tong Machinery Co., Ltd. is a company engaged in the integration of the production and sales of water treatment equipment. Companies within the administrative department, chief engineer, quality safety management department, engineering department, business department, financial department and other departments, with various management, skilled staff, professional sales staff. Since the establishment of the company, has the spirit of all for customer service purposes, strictly abiding by contract and credit, the enterprise benefit and social benefit is the integration of ideas, and to increase year by year, establish and perfect a series of rules and regulations to guarantee the development of the company.

Our main products: water treatment equipment, sewage treatment equipment, sewage treatment equipment, industrial equipment, agricultural sewage water equipment, water purification equipment, water equipment, steel hospital sewage water equipment, slaughterhouse wastewater equipment, food factory wastewater treatment equipment and other equipment, can be customized according to the requirements of professional water treatment equipment. .