57results about How to "Increase the sedimentation area" patented technology

The invention provides a sewage filter, which synthesizes a shallow tank theory, a dynamic coagulation theory, an accelerated coagulation theory and an inclined plate technology, effectively solves the problem of easiness in blockage of the traditional inclined plate. The sewage filter is used for subdividing raw motion water through by using filter masks and a plurality of through hole structures; and the raw water forms stable eddies at rear edges of plate holes of filter mask bodies. Under the entrainment action of the eddies, non-fluidic substances in the raw water are collected at centers of the eddies and get in continuous contact and collision with one another in eddy cores to undergo a flocculation reaction, and slides down along the mask bodies under the gravity action to settle into a mud collecting hopper, so that the purposes of removing suspended substances in the raw water and cleaning a water body are achieved. The sewage filter can rotate around an axis of a rotating shaft; and a strongly turbulent shear flow is formed through left and right repeated quick rotation to scour an inclined plate at a high speed and to clean deposits and blockages very conveniently.

This invention relates to pretreatment of sea-water for commercial desalination. In this invention, the seawater from natural sedimentation tank is pumped, and mixed with flocculent which is from flocculent tank and being after meterage by proportioning pump, into a three-step, mechanical agitation, flocculation reaction, tilted plate separator. And bacteriacide, after meterage by proportioning pump, is direct pumped into a mechanical agitating mixing pound. After mixing, flocculation, it overflows into said tilted plate separator. The upper clear liquid overflows into seawater storage tank for further purification. The waste sludge in the bottom of the tilted plate separator is discharged periodically. This invention provides a pretreatment of seawater for commercial desalination which overcomes the prior art shortcomings, with advantages of: simple process, easy operation and low cost.

The invention discloses a sewage treatment device, which comprises: an integrated main treatment device with a coagulating pond, a gravity reinforcement pond, a ripening pond and a tipping clear pond, wherein, connecting the clear pond bottom and pump and separator by pipes; a separator, and a sludge pump. The opposite treatment method comprises: using diatomite as the sped-up medium for clear pond to increase flocculating setting speed and improve water purification ability. This invention also has well denitrification effect, and fits to recovery for output water from urban sewage treatment plant and unstable domestic sewage.

The invention discloses a glassware processing wastewater treatment technology. The technology comprises the following steps: 1, processing wastewater is discharged to an oil separation pool, and water discharged from the oil separation pool flows to an adjustment pool; 2, wastewater discharged from the adjustment pool is pumped to a coagulation reaction pool, calcium hydroxide is added to wastewater to adjust the pH value to 7.5-8.5, a coagulant PAC and a flocculating agent PAM are added to carry out a coagulation reaction, the obtained wastewater automatically flows to an inclined tube sedimentation pool through a water distribution tank in order to realize solid-liquid separation, and sludge in a bucket is discharged to a sludge pool; 3, water discharged from the sedimentation pool automatically flows to a sand filter for sand filtration, and water discharged from the sand filter flows to a clear water pool; and 4, sludge in the inclined tube sedimentation pool is pumped to a sludge concentration pool through a sludge pump and is concentrated, the obtained sludge concentrate is press-dried to form sludge cakes, the sludge cakes are artificially cleaned and bagged, and a filtrate flows to a wastewater adjustment pool. The technology has the advantages of simplicity, increase of the processing capability of the sedimentation pool by utilizing a laminar flow principle, shortening the sedimentation time by shortening particle settlement distances, and increase of the processing efficiency by increasing the sedimentation area of the sedimentation pool.

The invention relates to a method for dephosphorization of electroplating wastewater. The method includes the following steps: enabling the electroplating wastewater to sequentially pass a hydrolysis acidification tank, an activated sludge system, an inclined tube sedimentation tank, an ozone sedimentation tank, an aerated biological tank, a Fenton coagulating basin and a chemical precipitation tank, and discharging the electroplating wastewater up to the standard. The 'biochemical treatment-advanced oxidation-coagulating sedimentation' processes are integrated for deep treatment of non-positive phosphate in electroplating industry wastewater electroplating plots. By the method, the problem that it is not easy for the phosphorus index of the electroplating plots to reach the standard stably for a long time can be solved, wastewater treatment efficiency and social and economic benefits are improved, and clean production, energy conservation and emission reduction are realized.

The invention discloses an efficient hydraulic circulation clarifier and aims to provide a circulation clarifier which is high in operation stability, reduces chemical and energy consumption, can better adapt to changes of water volume and water quality during actual operation and reduces operation cost of water treatment facilities. The efficient hydraulic circulation clarifier adopts a method implemented according to the following steps: firstly, raw water enters a water inlet pipe at the clarifier bottom, is sprayed into a Venturi tube at a high speed through a spray nozzle and a horn mouth, so that vacuum is formed near the horn mouth in the lower part of the Venturi tube and sucks a large amount of backflow sludge, the backflow sludge and the raw water mix and react fiercely in the Venturi tube, and then a product enters a first flocculation basin and a second flocculation basin; a sludge and raw material mixed solution overflowing from the second flocculation basin is subjected to sludge-water separation in a separation chamber in a settling region, clear water moves upwards and is collected by a water collection tank and drained outward, one part of the settled sludge enters an automatic sludge discharge pipe, and the other part of the settle sludge is sucked by the Venturi tube, enters a reaction system and is recycled continuously.

The invention relates to the technical field of sewage processing facilities, in particular to a circumferentially-feeding and circumferentially-discharging flow assisting type sedimentation basin. The sedimentation basin comprises a basin body, a water distribution annular well, a water collection annular well and a mud scraping and residue discharging machine. The water distribution annular well is arranged outside the basin body in a surrounding mode. The water collection annular well is arranged outside the water distribution annular well in a surrounding mode. A sludge hopper is arranged at the center of the bottom of the basin body. Multiple layers of sedimentation plates are arranged on the side wall of the basin body in the vertical direction in a surrounding mode, and therefore the sedimentation area is enlarged, the occupied area is greatly reduced under the condition that the processing amount is ensured, guide plates are arranged on the portions, in all sedimentation layers, of the basin body in the circumferential direction in a surrounding mode, a plurality of water collection pipes evenly arranged around the basin body are located on the upper sides of the guide plates respectively, a plurality of water inlet and water distribution pipes evenly arranged around the basin body are located on the lower sides of the guide plates respectively, the water inlet and water distribution amounts and the water outlet amounts between all the sedimentation layers in the basin body are kept consistent, and therefore it is ensured that water flow in all the sedimentation layers is uniform.

The invention discloses a full-automatic high-efficiency inclined tube thickener; wherein, two ends of a bridge frame are fixed on a round concrete pool, and the bottom in the pool is designed to be a taper shape, and a central column provided with an outer wall wrapped by a steel tube is erected at the center of the pool bottom, and the upper end of the central column is connected with the middle of the bridge frame through a central shaft. The central column and the central shaft are respectively connected with the pool bottom and the bridge frame through bearings. An electric-control cabinet and a hydraulic station which are arranged on the bridge frame are connected with the upper end of the central shaft through a driving rake-lifting device. A steady flow barrel is arranged on the outer side of the central shaft, and a shaving-collecting device is fixed on the outer wall of the central column. An inclined brace is extended from the central shaft to be connected with the shaving-collecting device. Inclined tube brackets are arranged along the wall of an inner cavity of the round concrete pool and the whole section face, and then glass reinforced plastic beehive inclined tubes are arranged on the base of the inclined tube brackets. Compared with the prior art, the full-automatic high-efficiency inclined tube thickener of the invention has the beneficial effects that a backwash settlement is adopted and is proper; the occupying area is small and the settlement area is big; three zones are distinct and the settlement effect is better; the settlement time is short and the manufacturing cost can be conserved; accident hidden troubles can be eliminated to guarantee a normal running; the mechanical mechanism is excellent and the running is stable; the glass reinforced plastic inclined tube has high intensity and is anti-aging and anti-corrosion; the management is convenient and automatic control of the whole process can be realized.

The invention discloses a horizontal self-overturning efficient sedimentation tank. A plurality of partition plates are arranged in the tank body to divide the tank body into a plurality of water inlet areas and a plurality of settling areas from left to right; a plurality of water distribution ports are formed in the partition plates; a plurality of horizontal turning plates are arranged in eachsettling area and are positioned at the water distribution port; a rotating shaft is arranged in the settling area close to the partition plates; the rotating shaft is horizontally arranged and parallel to the partition plates; the horizontal turning plate is located on the rotating shaft and can rotate along the rotating shaft, one end of the horizontal turning plate is placed on the partition plates at the water distribution ports, the other end of the horizontal turning plate is a mud falling end, and the area of the horizontal turning plate located at the water distribution port with the rotating shaft as a partition line is smaller than that of the mud falling end. The innovative points of the invention are as follows: the movable settling area is increased in the tank body so that the settling efficiency is increased, and the problem that the inclined pipe filler is blocked due to sludge adhesion is solved by utilizing instantaneous self-overturning sludge discharge.

The invention relates to the field of coal slime water concentration and clarification, in particular to an efficient concentrator with self-cleaning and rake pressing prevention functions.The efficient concentrator at least comprises a concentrator body, a diffuser, a high-pressure dredging pipeline, base flow openings and hydraulic rake lifting devices.The diffuser and the high-pressure dredging pipeline are used for cleaning material layers in the concentrator, the base flow openings are used for draining base flow in the concentrator, and the hydraulic rake lifting devices are used for lifting up a rake frame; the base flow openings include a central base flow opening and side edge base flow openings, the central base flow opening is formed in the center of a circular ring at the bottom of the concentrator, and the side edge base flow openings are formed in a circular ring of the central base flow opening in the perpendicular direction and the horizontal direction.The efficient concentrator has the advantages that materials can be discharged by the aid of the hydraulic rake lifting devices, the high-pressure dredging pipeline and the multiple base flow openings, accordingly, stable concentration of the material layers in the concentrator can be guaranteed, the rake frame can work smoothly, and 'rake pressing' phenomena can be completely eradicated; the efficient concentrator further comprises a driving stirring mechanism and composite overflow weirs, accordingly, ore pulp and chemicals can be uniformly mixed with one another, upper-layer clarified liquid can be timely drained, and the efficient concentrator is low in energy consumption, maintenance and chemical consumption.

The invention discloses an acid liquid collection device for polar plate production. The acid liquid collection device comprises an acid liquid collection mechanism, a preliminary sedimentation mechanism, a filter mechanism and an acid liquid storage mechanism, the acid liquid collection mechanism comprises a collection tank and a guide pipe, the preliminary sedimentation mechanism comprises a sedimentation pond, a mud discharge pipe, a mud discharge valve, a collection box and a first magnetic valve, the filter mechanism comprises a liquid inlet pipe, an acid pumping pump, a filter valve, anacid conveying pipe, a mud discharge pipe and a flowmeter, and the acid liquid storage mechanism comprises an acid liquid storage tank, a third liquid inlet, a second liquid level sensor, an acid outlet and a liquid drain valve. The invention further discloses an operation method of the device. The acid liquid sediments large-particle lead plaster through the sedimentation pond, the sedimented acid liquid is pumped into the filter valve by using the acid pumping pump, small-particle lead plaster is filtered by acid liquid through the filter valve, and is collected in the acid liquid storage tank along the acid conveying pipe, the secondliquid level sensor is arranged in the acid liquid storage tank, and the effect of monitoring the acid liquid reserve can be played. The whole device has high automation degree and high acid liquid collection efficiency.

The invention provides a rotary barrel type sewage precipitator with an inclined plate, which can be used for accelerating a precipitation process in sewage treatment, clarifying a water body and improving the sewage treatment effect. According to the rotary barrel type sewage precipitator, a movable barrel which is internally provided with overlapped and arrayed parallel arc-shaped plate sets is eccentrically and fixedly arranged on a rotary shaft; a plurality of shallow-layer precipitation tanks with great length are formed by gaps between the adjacent arc-shaped plates; the water body to be treated and deposited sediments move mutually stably and are separated in a precipitation shallow layer. When the rotary shaft rotates, the radius vectors from a rotary center to all tank walls are different and an eccentric barrel wall carries out displacement in the radial direction (the radial distance from the barrel wall to the rotary center is lengthened or shortened); the shape of the barrel wall enforces fluid to centrifugally or concentrically flow to form continuous fluid layer flow movement; retardation balance is damaged continuously and floc cores are contacted, collided, adhered and polymerized mutually to form dense floc which separated from water; raw mater is clarified and purified. The rotary barrel type sewage precipitator is rotated around the rotary shaft, and shearing flow is formed on the tank walls and has a flushing effect on sludge; the possible sludge and blocks can be cleaned very conveniently.

The invention discloses a cleaning system of a prefabricated part annular production line. The system comprises a first settling pond for cleaning a hopper of a stirring station main engine, a first settling pond set for cleaning a feeding car, and a second setting pond set for cleaning a hopper on a cloth rack. Accordingly, cleaning links are set at three different joints in the concrete transporting process, the production line cleaning pressure is relieved, occupation and waste of the production time is lowered, meanwhile, the settling area is enlarged, concrete sewage is promoted to be settled completely, clean sewage can be recycled, the production takt is not affected, the production links are more efficient and centralized.

The invention discloses an emulsion low-pressure treatment device which comprises a demulsification tank, a primary sedimentation tank, a reaction tank, an advanced oxidizer, a secondary sedimentationtank and a clear water tank in sequential serial connection. Wastewater is primarily treated biochemically in the demulsification tank and the reaction tank, the advanced oxidizer comprises a reactorbarrel, a reflective diversion barrel is arranged in the reaction barrel, a filler area is formed between the reflective diversion barrel and the reactor barrel, a water incoming pipe and an air incoming pipe penetrate the filler area on the lower portion of the reactor barrel, a water distributor and an aerator are arranged at an opening of the bottom of the reflective diversion barrel, and a water discharging pipe is arranged on the upper portion of the reactor barrel; titanium dioxide catalysis plates divide the reflective diversion barrel into a plurality of longitudinal oxidation areas,ultraviolet lamp poles are arranged at the centers of the oxidation areas, the advanced oxidizer sectionally irradiates, the catalysis plates are completely within an optimal catalysis distance of theultraviolet lamp poles, and reflective diversion barrel can reflect ultraviolet emitted from the ultraviolet lamp poles, enhance illumination and improve photocatalysis efficiency.

The invention discloses a lake water purifying treatment system for improving lake water quality. The lake water purifying treatment system comprises a water inlet pump station, a water distribution well, a purifying tank, a water outlet pump station, a sludge tank and a device room. A first lifting pump is arranged in the water inlet pump station and is connected with the water distribution wellthrough a first pipeline, the water distribution well is connected with the purifying tank through a second pipeline, the purifying tank is connected with the water outlet pump station through a thirdpipeline, and a second lifting pump is arranged in the water outlet pump station and discharges purified and treated lake water into a lake through a fourth pipeline. The sludge tank is connected with the purifying tank through a fifth pipeline. The device room comprises a dosing chamber and a fan chamber, wherein a dosing system is arranged in the dosing chamber and is connected with a sedimentation basin through a dosing pipeline, and an air blower is arranged in the fan chamber and is connected with an anoxic pond and an aerobic tank through a sixth pipeline. The lake water purifying treatment system is high in sewage treatment efficiency and good in sewage purifying effect, and meanwhile treated sludge can serve as a fertilizer for reuse.

The invention discloses a wastewater treatment device and technology for mariculture. The device comprises a mixing unit, a microwave flocculation unit and a solid-liquid separation unit. The mixing unit is used for mixing mariculture wastewater with an agent for obtaining a mixed solution; the microwave flocculation unit is used for making contaminant in the mixed solution receive microwaves forgenerating floccule sediment; the solid-liquid separation unit is used for separating floccule in the mixed solution from water. According to the wastewater treatment device and technology for mariculture, after a flocculant is mixed with the mariculture wastewater in the mixing unit, the mixed solution enters the microwave flocculation unit, and under the effect of microwaves, a sludge structureis subjected to destabilization and sufficient flocculation in a short time. Then the mixed solution enters the solid-liquid separation unit, and under the laminar condition, sludge in the wastewateris precipitated on an inclined plate. The whole device is low in cost and small in occupation floor, and continuous treatment of the mariculture wastewater is achieved.