Currently slag treatment method commonly used sedimentation tanks, machine, ceramic tile pool filter and other treatment methods concentrated, there are a few manufacturers use flocculation and sand filtration + chute way. Above processing technologies are a variety of problems in the Processing power, running stability and reliability are lacking. Such as the use of sedimentation tank suspended solids removal is low, poor water quality, large area, Qingchi frequent and heavy workload; concentrator requirements Inlet suspended solids content is low, poor water quality, inclined tube (board) for an easy to plug manual cleaning, discharge of gray mud riser clog lead to poor atmospheric pressure rake accident; ceramic filter blocks a large pool area, and the need for manual Qingchi backwash Qingchi frequent, labor-intensive; flocculation oblique tube sand filtration process, suspended solids content low entrance requirements, we need to configure a large pre-sedimentation tank, inclined tube (board) easy to plug, sand filtration load, often need to backwash the filter layer easily compacted. The biggest problem is the above process several low resistance to shock loading, for the suspended solids SS> 3000mg / L, especially SS> 5000mg / L or more ash water, not properly handle.

In the high suspended solids in sewage treatment, XM / DH High efficient Sewage purifier shows the greater technical superiority. It need not be provided pre-sedimentation tank, High efficient rapid succession to the SS≤3000mg / L of sewage purification to 5 ~ 50mg / L, the highest technology can handle SS≤30000mg / L of sewage water treatment has opened a high concentration ash a new way to solve the ash water reuse problems.

2, Application field

• Suitable for thermal power plant ash dense water (coal-bearing wastewater) treatment and reuse;
• For water turbidity of less than 3000mg / L of various types of rivers, lakes, reservoirs and other water sources for the towns, industrial and mining enterprises in the water, as the main net Water treatment device;
• For low-temperature, low turbidity, there is a seasonal lake water algae, has a special ability to adapt;
• Metallurgical industry circulating water system, which can effectively and dramatically improve circulation water quality;

3, Characteristics of equipment

• Short process, low failure rate, stable and reliable;

  Processing power, high efficiency. The device processing load up SS≤3000mg / L, up SS≤30000mg / L;

  Design load is high, water residence time ≤30min;

  Equipment, small footprint system with no need to pre-sedimentation tank, water conditioning tank, sludge tank and clean water tank, according to the general pool of transition designed to save floor space;

  Treated effluent quality SS = 5-50mg / L, and cooling towers to prevent the seal tank ash collection and can be reused for sealing the furnace;

  PLC control, high degree of automation, low labor intensity;

  Less equipment sewage, sludge concentration is high, low moisture content;

  Easy operation, long media life cycle, backwashing cycle time of 0.5 months, with significant water, energy and environmental, social and economic benefits;

  Apparatus body maintenance, reduce maintenance workload;

  Equipment operating just a promotion, supporting mechanical and electrical equipment investment saving, saving power consumption;

  Equipment using factory production model, greatly improve the accuracy, quality and aesthetic level of equipment, improve product water quality;

  Equipment using factory production mode, production, shorten the construction period.

4, Principle of equipment & structure

         XM/DH type High efficient Sewage purifier is in the original DH type High efficient Sewage purifier based on improved, physical and chemical reaction of organic fuses in together, integrates the dc coagulation, critical flocculation, centrifugal separation, shallow layer settling, dynamic filtering and precipitation technology, sludge concentration in a short period of time (25 ~ 30 min) completed in the same tank wastewater rapid multi-level integrated combination of purification equipment. The equipment SS removal rate up to 99.9%, COD removal rate reached 40% ~ 70%.

Centrifugal separation along the tangent direction is to use the waste water into the tank to produce high-speed rotational flow, generate centrifugal force, under the action of centrifugal force formed in the waste water of suspended particles and alum flowers thrown to the wall, and with the rotational flow along the tank and its gravity wall fell to conical sludge concentration, spiral motion conditions at the lower levels to a certain degree of wastewater to center, forming the upward rotational flow, the rotational flow water is clear, to set up dynamic filters in the upper area. General particle size in centrifugal separation area is greater than 20 microns of suspended particles (alum flowers) by solid-liquid separation and sludge concentration. Wastewater by centrifugal separation into shallow subduction zones, inclined tube sedimentation area is designed according to the shallow pool sedimentation theory. In subsidence area set up many populated inclined tube, makes the water suspended impurities in the inclined board or inclined tube sedimentation, water flow along the inclined board or inclined tube, isolated from the sludge under the action of gravity along the inclined plate (pipe) to fall to the bottom, then concentrate discharge. This can improve the efficiency of precipitation pool 50 ~ 60%, and in the same area can improve the Processing power of 3 ~ 5 times. By shallow layer settling area upper water into dynamic filtering area again to complete the adsorption filtration, filtration area by surface adsorption of suspended, large surface area, adsorption ability, can intercept more than 5 microns of grain size of suspended solids. In the condition of dynamic filtration, so the filter material is not easy to jam, adsorption of particles easily fall off and sinking to the separation zone, so long liao backwashing period (0.5 ~ 1 month back flush again). Wastewater by the multi-stage out the back of solid-liquid separation and purification.

Centrifugal separation, the shallow layer settling, filtration loss of suspended particles in under the action of centrifugal force and gravity into the sludge concentration, sludge in upper taper bucket area under the effect of convergence, particle groups combined into a whole, each remained relatively unchanged position sink together, some SS lower the bucket area is very high, the gap in the liquid extrusion interface between particles, solid particles is concentrated pressure after discharge from the bottom of the pyramid, is generally the sludge moisture content of 90% or less (amount is only about 1/6 of the traditional process).

5, Equipment model

Note: We reserve the right to make changes due to technical innovation, if there are special requirements to parameters, please specify when ordering.