14results about How to "Avoid short flow" patented technology

This utility model discloses a modular electro-oxygen synergistic water treatment device, belonging to the field of industrial water treatment technology. It includes a treatment tank with conduits installed on both sides and electrodes installed on both the front and rear sides. The top of the treatment tank is open and fitted with a cover plate. Multiple positioning holes are provided on the cover plate, with plug plates movably connected within each hole. Multiple slide rails are installed on the front and rear inner walls of the treatment tank, with the same electro-oxygen plate slidably mounted between corresponding two slide rails. Through the positioning holes on the cover plate and the movable plug plates, combined with a unique clamping mechanism, rapid installation and removal of the electro-oxygen plate are achieved. Operators only need to rotate a screw to drive a wedge-shaped top plate, which can then clamp or release the electro-oxygen plate via two insulating clamps. Replacement can be completed without tools, greatly improving maintenance efficiency and operational convenience.

The invention relates to the related technical field of sewage treatment, in particular to mouthwash production sewage treatment equipment which comprises a treatment pond, the treatment pond is divided into a coagulation zone, a flocculation zone and an air flotation zone, the treatment pond is provided with a mixing and shaking assembly in the coagulation zone, and the mixing and shaking assembly stirs and mixes sewage and a coagulant to form a mixed solution; the mixing and shaking assembly comprises a shaking barrel, the shaking barrel performs conical circumferential swinging in the coagulation area, the treatment tank is provided with a shaking and feeding assembly in the flocculation area, and the shaking and feeding assembly is used for uniformly sprinkling a flocculating agent into the coagulated sewage. Through conical swinging mixing of the coagulation area, reciprocating material sprinkling and staggered stirring of the flocculation area, fan-shaped stirring and gathering scraping of the air flotation area and continuous reciprocating motion of a stirring separation assembly, it is ensured that scum is removed in time, and the situation that the air flotation effect is affected due to the fact that a scum layer is too thick is avoided; the whole structure is compact, transmission is efficient, and the treatment efficiency of mouthwash production sewage and the stability of effluent quality are remarkably improved.

This invention discloses a sludge thickening tank for wastewater treatment plant construction, belonging to the field of sludge thickening technology. It includes a thickening tank with a conical sludge hopper at the bottom and a sludge discharge port at the bottom of the hopper. A sludge discharge pipe is located at the lower end of the discharge port. An overflow weir is slidably connected to the inner curved surface of the thickening tank, and a clear water tank is fixedly connected to the lower end of the outer curved surface. A fixed plate is radially fixedly connected to the upper end of the clear water tank, and a stirring assembly is fixedly connected to the middle of the fixed plate. A fixed chamber is fixedly connected to the upper end of the stirring assembly, and a second drive motor is fixedly connected to the upper end of the fixed chamber. An intermediate shaft and a retraction rod are slidably connected to the fixed chamber. This invention achieves advantages such as high-efficiency thickening, intelligent control, and wear resistance through an innovative structure of adjustable overflow weir + intelligent valve + dual-drive stirring, while also considering ease of operation and safe maintenance, making it suitable for modern wastewater treatment needs.

The utility model provides a kind of short flow prevention cyclone grit chamber with oil and slag removal function, including inlet channel, pool body, water collecting cylinder, outlet channel, sand discharge emptying pipe and slag discharge channel etc. Speed-regulating pusher consisting of frequency conversion motor, paddle and flow velocity meter is equipped in inlet channel, and inlet flow rate can be adjusted according to water volume. The bottom of pool body is conical cylinder, and water is discharged from the bottom of central water collecting cylinder, to avoid short flow. There is also slag remover, which removes oil and slag by driving motor driving scraper and stirring blade on rotating shaft. The grit chamber solves the problem of short flow, poor oil and slag removal of traditional equipment by speed-regulating pusher and flow guide water collecting cylinder, realizes "three-phase separation", improves sand removal efficiency, and does not increase land occupation, which can be used for existing grit chamber modification and is suitable for sewage treatment pretreatment.

The invention relates to the technical field of industrial wastewater regeneration treatment, and discloses a phosphoric acid wastewater deep purification device based on an adsorption regeneration structure, the phosphoric acid wastewater deep purification device comprises a placing part, the placing part comprises a tank body, the bottom of the tank body is fixedly provided with a supporting seat, and the bottom of the tank body is fixedly communicated with a communicating pipe; and the other end of the communicating pipe is fixedly communicated with an RO membrane tank. The phosphoric acid wastewater deep purification device based on the adsorption regeneration structure can effectively solve the problems that in the prior art, an adsorbent supporting layer of a traditional wastewater purification device is of a fixed plane structure, the straight surface cannot play an effective role in guiding, retarding or dispersing falling wastewater, and consequently the wastewater cannot be effectively purified under the action of gravitational potential energy. The problem that soluble phosphate is difficult to fully intercept due to the fact that a path with the minimum natural selection resistance vertically falls, the phenomena of vertical direct discharge and short flow easily occur, the wastewater purification path is short, the contact time of wastewater and an adsorbent is short and the utilization rate of the adsorbent is low in the prior art is solved.

The utility model particularly relates to a short-cut nitrification-anaerobic ammonia oxidation integrated reactor. The reactor comprises a short-cut nitrification area, a sponge iron area, an anaerobic ammonia oxidation area and an autotrophic denitrification area. According to the growth characteristics of different bacteria, environment control is performed in a targeted manner, so that the different bacteria are in respective optimal growth conditions, the activity of the bacteria is ensured, and the system is more efficient. In addition, nitrite nitrogen in the reactor is consumed while being generated, the concentration of the nitrite nitrogen in the system is low, and the problem of inhibition of high nitrite nitrogen concentration on anaerobic ammonium oxidation bacteria is solved. According to the reactor, the short-cut nitrification reaction and the anaerobic ammonia oxidation reaction are arranged in the same system, the anaerobic ammonia oxidation reaction can supplement needed alkalinity for the short-cut nitrification reaction, consumption of extra chemical agents is reduced, cost is saved, and the reactor has high practical value.

This invention discloses a decentralized airlift reoxygenation circulating biological denitrification wastewater treatment device, employing an integrated inner and outer cylinder design, encompassing wastewater treatment, sludge-water separation, and discharge, with a complete process and reasonable structure. The area between the inner and outer cylinders forms a circular wastewater treatment zone with circulating flow, encompassing a two-stage AO biological denitrification process. It eliminates the need for nitrification liquor recirculation, exhibiting excellent denitrification effect, resistance to shock loads, and ease of management. The inner side of the inner cylinder serves as a sedimentation zone, with periodic manual or mobile sludge removal. An airlift device provides circulation power and pre-oxygenation; the circulating water volume is adjusted by regulating the air supply, thereby controlling the nitrification liquor recirculation ratio. The device consumes only one air pump, which supplies air to both the airlift device and the aeration device, resulting in low investment, low energy consumption, and easy management. Fixed supports and rope-type fiber packing are installed throughout the wastewater treatment zone, effectively preventing packing blockage and short-circuiting problems, and facilitating the timely discharge of detached biofilm.

The utility model relates to the technical field of waste water calcium removal, in particular to waste paper papermaking sewage calcium removal equipment which comprises a calcium removal tower and a supporting platform frame, the calcium removal tower penetrates through the supporting platform frame, and the lower portion of the calcium removal tower is fixed to the supporting platform frame. A discharge port, a circulating port and a water inlet are formed in the side surface of the lower part of the calcium removal tower; a main discharge port is formed in the bottom of the calcium removal tower; a solid-liquid separation device and an overflow device are arranged in the upper part of the calcium removal tower, the solid-liquid separation device is arranged below the overflow device, a circulating port is also formed in the side wall of the calcium removal tower between the solid-liquid separation device and the overflow device, and the two circulating ports are communicated through a circulating pipe; a water outlet is also formed in the side wall of the calcium removal tower above the overflow device; the device further comprises a dosing pipe, and the dosing pipe extends into the calcium removal tower from the top of the calcium removal tower and extends downwards. The calcium removal equipment disclosed by the utility model is provided with the solid-liquid separation device and the overflow device, liquid after reaction and crystals formed by reaction are separated, and water is uniformly discharged through the overflow device, so that the short flow phenomenon of the fluidized bed in the calcium removal tower is avoided.

This utility model discloses a light source module with uniform heat dissipation, relating to the field of heat dissipation devices. The light source module includes: a lamp body, a heat dissipation pipe, an air guide shell, and a first heat sink. A first heat source and a second heat source are located on the left and right sides of the lamp body. The heat dissipation pipe includes a first section and a second section. The air guide shell includes an air duct, an air inlet, a first air outlet, and a second air outlet. The air duct has a recessed internal structure. The first air outlet is located on the left side of the air duct, the second air outlet is located on the right side of the air duct, and the air inlet is located in the middle of the air duct. The first section of the heat dissipation pipe is attached to the first heat source, and the first heat sink is attached to the second heat source. The air guide shell is attached to the lamp body. By utilizing the heat dissipation pipe and heat sink to absorb and dissipate heat from the heat sources, and in conjunction with the air guide shell, uniform heat dissipation is achieved for heat sources with varying heat levels. Even using a single fan can achieve efficient heat dissipation, reducing operating costs.

The invention discloses a method for removing oxalic acid and salts thereof in wastewater by using hydrogen peroxide. The method comprises the following steps: pretreating wastewater containing oxalic acid and salts thereof, and adjusting the pH value to 3.5-4.0; adding hydrogen peroxide into the adjusted wastewater, and uniformly stirring to obtain mixed wastewater; and feeding the mixed wastewater into an activated carbon reaction column in a pulse water feeding manner, and removing oxalic acid and salts thereof in the water. According to the method, the removal efficiency of oxalic acid is effectively improved, and compared with the prior art, the method has the advantages that the process is simple, secondary pollution is avoided, and the wastewater treatment efficiency and environmental friendliness are greatly improved.

The utility model relates to the technical field of sewage treatment, and discloses an accurate carbon source adding system applied to a multi-cycle AAO biochemical pool. The system comprises a second guide plate assembly, a propeller and a feeding assembly, the second guide plate assembly is arranged at the bottom of the anoxic tank, the top end is positioned above the liquid level, and a flow channel for liquid circulation can be formed in the anoxic tank; the propeller is mounted in the anoxic tank and is used for providing a power source for the carbon source and mud-water mixed circulation; and the feeding assembly is provided with a plurality of carbon source feeding ports which are uniformly distributed along the flow channel direction of the anoxic tank. Relevant flow and nitrate nitrogen concentration numerical signals are obtained through an electromagnetic flowmeter arranged at the water inlet end of the AAO pool and nitrate nitrogen analyzers arranged at the outlets of the anoxic pool and the aerobic pool respectively and fed back to a PLC system, a dosing pump is controlled to feed a carbon source into the biochemical pool in real time, and a liquid circulation flow guide structure is constructed, so that the concentration of nitrate nitrogen in the biochemical pool is controlled. Efficient mixing and reaction contact of a carbon source and sewage in the anoxic tank are realized, the utilization rate of the carbon source is increased, the denitrification efficiency is improved, and stable and standard reaching of effluent is guaranteed.

The utility model discloses an adjustable flocculation device which comprises a vertical rod, a telescopic connecting rod, a flocculation plate and a short flow prevention plate, the four vertical rods are arranged in a rectangular shape, and a mounting groove is formed in the inner side of each vertical rod; a plurality of telescopic connecting rods are connected between every two adjacent vertical rods, the telescopic connecting rods are used for fixing the two adjacent vertical rods and adjusting the distance between the two adjacent vertical rods, and each telescopic connecting rod comprises a first sleeve rod and a second sleeve rod; the flocculation plate comprises a frame and a grating arranged in the frame, the frame is mounted among the four vertical rods, four corners of the frame are embedded into the corresponding mounting grooves respectively, and the grating is detachably connected with the frame; the four side faces of each frame are each provided with a short flow prevention plate. In conclusion, the utility model has the advantages of novel structure, convenience in use, high safety and the like.

The utility model discloses a kind of bionic root system structure's soil infiltration purification device, it includes main body frame, layered flow guide component and bionic root system structure module. Main body frame is equipped with partition plate division functional area inside, top is equipped with water inlet, bottom is equipped with water outlet;Layered flow guide component passes through corrugated flow guide plate and optimizes sewage flow path;Bionic root system structure module is enhanced pollutant removal capacity by multilayer filter material and helical blade design, and reduce the risk of plugging. The device also includes backwashing system and liquid level sensor, for removing sediment and achieving automatic control. The present application can significantly improve purification efficiency, reduce maintenance cost, adapt to various terrain conditions, simplify construction technology, ensure long-term stable operation.

The utility model relates to the technical field of water treatment equipment provides an assembly type flocculator, including two water distribution units, grid unit and hopper unit, two water distribution units are arranged in layers from top to bottom, and the water distribution unit is formed with overflow channel to supply water body flow; The grid unit is clamped between the two water distribution units and is used for disturbing the water flow to promote flocculation reaction, the grid unit is equipped with regular arrangement overflow hole, and a plurality of grid structures for adjusting water flow turbulence intensity are arranged in it; The hopper unit is arranged below the lower water distribution unit to collect and discharge the floc sediment produced in the flocculation process, wherein the water distribution unit, the grid unit and the hopper unit are all independent prefabricated modules, and the modules are detachably connected through the connecting structure to constitute the flocculator. The assembly type flocculator of the utility model is convenient to install on site, thereby greatly shortening the construction or reconstruction period of water plant, and meeting the demand of modern water treatment project on efficient construction.