真人做人爱试看一

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          Modified conditioning cooperates with mechanical filter press dehydration process

          Author: Taida machine       Release time:2016-08-18
          Reading guidance:Zhengzhou Taida Company Limited for the domestic energy-saving drying sludge treatment and disposal problems, and key universities to develop the mature, efficient and practical process of sludge treat
               Zhengzhou Taida Company Limited for the domestic energy-saving drying sludge treatment and disposal problems, and key universities to develop the mature, efficient and practical process of sludge treatment and disposal, namely "modified conditioning sludge conditioning - mechanical press high pressure filtration dehydration- deep dehydration disposal comprehensive disposal process. We present the sludge treatment and disposal technology the in-depth study and comprehensive comparison that: whether the landfill, incineration, incineration or utilization of building materials, it is necessary to semi dry sludge dehydration, drying process, to the final disposal. The dehydration is a necessary part of the sludge disposal, can effectively realize the sludge reduction stabilization, low investment, low operation cost advantage." sludge modified conditioning mechanical filter dehydration process, has been in a number of municipal and industrial sludge treatment Disposal project in applied and achieved significant environmental and social benefits, is the line with the national "water project" research consistent with the new practical technology. The technology for municipal sludge and industrial sludge treatment, there are two docking way: one is the pretreatment system receives the water rate is 80% of the wet sludge; the second is the pretreatment of sludge silo directly receive water rate of 97% of the concentrated sludge, modified conditioning and mechanical pressure filtration dehydration depth processing. Second docking can save sewage plant of the original sludge dehydration and dosing equipment, save the sludge processing operation costs.
               After the treatment process of wet sludge modified conditioning, mechanical pressure filtration dehydration depth to water rate below 50%, to achieve the sludge reduction, stabilization, harmless. After dehydration sludge has high calorific value, direct incineration or sent to garbage power plant, coal-fired power plants and cement plants in the co incineration was executed. Conditional place also do landfill cover soils, building materials, such as the use of disposal.
              This technique overcomes the anaerobic sludge treatment, the traditional thermal drying, direct incineration of fixed investment, high operation cost constraints, by the application of the engineering practice that good technical and economic, applicable to a wide range of, is suitable for the majority of our urban sludge treatment and disposal of new technology. 
          Modified conditioning cooperates with mechanical filter press dehydration process
          1. modified conditioning system
            Sludge modified conditioning is mainly organic compounds on the surface of the granular sludge were modified and destroy the sludge cells and colloid structure, the change of sludge combination state of water, while reducing the sludge pressure plastic, the sludge can satisfy deep dehydration processing requirements.
           Modified conditioning system equipment delivered by the sludge metering system, sludge storage, conditioner preparation equipment, conditioning mixing equipment and other components.
            Considering the economy and subsequent disposal of sludge, we use efficient conditioner independent research and development.
          Working principle of modified conditioning system
          Wet sludge by the screw conveyor directly into the conditioning system, or into the sludge storage tank by screw pump sent to the conditioning system. Conditioning process including sludge transformation and stability, transformation stage sludge and conditioner evenly mixed, completed after stabilization treatment of sludge conditioning. 
          Modified conditioning cooperates with mechanical filter press dehydration process
          Features of modified conditioning system
          It adopts:
                 Pressure gradient control;
                 Time control of conveying and feeding;
                 Automatic frequency conversion control of transfer pump;
                 Liquid discharging and counter blowing control;
          This system can realize:
             controlling and conditioning liquid concentration automatically;
             Controlling and contioning mixing and storage time automatically;
             Proper adjustment of PH value;
             Damage colloidal flocculation and strengthen particle rigidity   effectively;
             Release various water in sludge effectively;
          Features of conditioning agent:
             Large specific surface area, high chemical activity, strong diffusion permeability;
            Using nano powder processing technology;
            Adjust according to different qualities of various sludge;
            Small adding amount, no sulphur and nitrogen;
            Save cost and low running expense; 
          Modified conditioning cooperates with mechanical filter press dehydration process
          2. Deep dehydration system of mechanical press
               This system is mainly into the mud system / mechanical filter equipment / stripping system / sludge discharge system and other components.
           Deep dehyration system of mechanical press
          Mechanical filter depth dehydration is that dewatered sludge moisture content reaches 50% the following, under the special conditions of sludge water rate is lower. At present, China's urban sewage processing plant sludge water rate mostly between the 78% to 85%. High water cut rate to the subsequent sludge treatment, transportation and disposal brings great difficulty. Therefore, it is necessary to sludge deep dehydration.
               Depth dehydration system of mechanical press with mechanical filter press equipment. At the end of the feeding process. On sludge press can realize the control of the pressure gradient, pressure filtration time control; closed mechanical dewatering process can obtain good dehydration efficiency, increased dryness of sludge cake, the reduction of pollution and labor. After dehydration, through blowing operation, or natural air drying, moisture content of sludge cake rate decreased rapidly.
          Working principle of deep dehyration of mechanical press
               Mechanical filter press equipment is core equipment in the depth of sludge dewatering system, rack using special materials of steel structure, to meet the needs of the filter condition. Mechanical sludge filter press equipment mainly consists of a fixed filter plate, active filter plate, beam, filter media, a clamping device, set of groove and the like. Filter plate in the pressure resistant material, used for a long time, low failure rate.
              The working process of the equipment is changed after conditioning the sludge by sludge pump into the filter press equipment filter chamber, filter chamber into the mud after the completion of the automatic closing inlet valve, filter chamber to pass into the gas or liquid, making cloth swelling deformation, so as to achieve the filter cake secondary crushing effect, mechanical pressure will filter cake of capillary water, combined with prolapse of water moisture. Complete the pressing can realize automatic sludge discharge.
          Machinery
          It adopts: The hydraulic pressure device is adopted, which has the function of automatic process, return and holding pressure control;
             Using independent hydraulic system and automatic control system, the operation is safe and simple;
            High strength and good bearing support;
            The effective filtration area is big, the filtration speed is quick;
            Filter board material high strength, corrosion resistance, long service life;
           Filter plate anti fatigue, anti aging, good sealing performance.
          Advantages of process flow:
             Concise technical science, good treatment effect, can meet the needs of a variety of disposal;
             Technical and economical, less investment and lower operating cost;
            Stable and mature system, high-level automation and simple management;
            Treatment system can be combined with the sewage treatment plant construction, but also can focus on construction, covers an area of small, without a large number of heat source;
            Closed operations, the impact on the environment is small;
            Sludge reduction, stabilization, harmless and resource;

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          Zhengzhou Taida Group    Address:NO. 198,longding industrial zone,high-tech development zone,zhengzhou city,china    Sitemap

          真人做人爱试看一

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