19results about How to "Guaranteed precipitation effect" patented technology

The utility model relates to the technical field of water supply engineering, in particular to a sedimentation tank sludge suction device for water supply engineering, which comprises a sedimentation tank, a cleaning component is arranged in the sedimentation tank, the cleaning component is used for scraping sludge on the inner wall of the sedimentation tank, a suction component is arranged on the cleaning component, and the suction component is used for sucking sludge on the inner wall of the sedimentation tank. The suction assembly is used for sucking sludge in the sedimentation tank; the cleaning assembly is arranged on the inner wall of the sedimentation tank, and a gear and a rack in the cleaning assembly are rotationally matched, so that a brake ring rotates in a guide rail, and a scraper is driven to automatically scrape sludge on the inner wall of the sedimentation tank, so that the sedimentation effect of the sedimentation tank is ensured, and meanwhile, a worker can conveniently clean the sludge on the inner wall of the sedimentation tank.

The invention discloses a method for collecting and processing bridge floor runoff in a water environment sensitive area, and the method comprises the steps: transmitting the information of vehicles passing through a bridge floor to a control system through a detection shooting part, and transmitting an alarm signal to an audible and visual alarm through the control system when the vehicles stop for a certain time, so as to remind the stopped vehicles to drive away; when the alarm reminds that the vehicle is not driven away after a certain time, the vehicle accident is judged; the water quality monitoring unit acquires a signal of liquid in the main confluence pipe and transmits the signal to the control system, the control system analyzes the liquid, and when the liquid is rainwater, the main confluence pipe is switched to be communicated with the sedimentation tank, so that the rainwater enters the sedimentation tank; when the liquid is the accident liquid or the mixed liquid of the accident liquid and rainwater, the confluence main pipe is communicated with the accident emergency pool, so that the liquid enters the accident emergency pool. According to the invention, classified treatment of rainwater and accident wastewater on bridge floor runoff can be realized, the water yield can be adjusted in real time according to the rainfall, the precipitation treatment effect on rainwater is improved, rainwater sediment can be automatically discharged, and sludge deposition is avoided.

The invention discloses a side-suction oxygen-free medium-temperature pyrolysis furnace, comprising a pyrolysis furnace, a grate is arranged in the pyrolysis furnace, a feed port is arranged at the pyrolysis furnace above the grate, a closed feeder is arranged at the feed port, a discharge port is arranged at the pyrolysis furnace below the grate, a closed discharger is arranged at the discharge port, and an oxygen-free medium-temperature gas source mechanism is arranged outside the pyrolysis furnace and supplies flue gas to the pyrolysis furnace, the oxygen-free medium-temperature gas source mechanism comprises a burner, the inlet of the burner is connected to an input pipeline for supplying gas to the burner, the outlet of the burner is connected to a flue gas output pipeline, the flue gas delivery pipeline is introduced into the pyrolysis furnace and is located below the grate; the pyrolysis furnace is provided with a combustible gas collection mechanism at the side wall located above the grate, forming a side-suction structure. The invention effectively ensures that the biomass in the pyrolysis furnace is at the optimal precipitation temperature for separating out combustible gas, and at the same time avoids the risk of explosion caused by the formation of gas pockets of combustible gas in the pyrolysis furnace.

The utility model relates to the technical field of tin bar production, in particular to a tin bar production feeding device which comprises a fixing ring, a hopper and a filter screen, the hopper and the filter screen are arranged on the fixing ring, and the filter screen is located in the hopper. A mixing mechanism is arranged on the fixing ring; the mixing mechanism comprises a precipitation disc, the precipitation disc is located in the filter screen, a discharging pipe is rotationally installed in the precipitation disc, and a plurality of discharging openings are formed in the surface of the discharging pipe. According to the tin bar production feeding device, through cooperation of the precipitation disc and the filter screen, large-particle impurities in liquid tin raw materials can be precipitated firstly, then small-particle impurities are filtered, and solid impurities are prevented from entering a forming mold. The discharging pipe is rotationally arranged in the precipitation disc, and the multiple discharging openings are formed in the outer surface of the discharging pipe, so that raw materials can rotate along with the discharging pipe while flowing out of the discharging pipe, relative flowing of all components of the raw materials is promoted, and the consistency of metallographic structures in tin bars is improved.

The invention relates to the technical field of aquaculture equipment, in particular to a vertical flow precipitator which comprises an outer-layer barrel, an inner-layer barrel and a conical precipitation plate are sequentially and fixedly arranged in the outer-layer barrel from top to bottom, and the top of the outer-layer barrel and the top of the inner-layer barrel are open. A gap exists between the outer wall of the inner-layer barrel and the inner wall of the outer-layer barrel, the top edge of the conical precipitation plate is attached to and abuts against the inner wall of the outer-layer barrel, and a cavity is formed among the inner-layer barrel, the conical precipitation plate and the outer-layer barrel; a liquid inlet pipeline used for feeding water into the inner-layer barrel is fixedly communicated with the inner-layer barrel, a liquid outlet used for discharging the water is formed in the outer-layer barrel in a penetrating mode, and a waste discharging pipeline used for discharging precipitated waste is fixedly communicated with the bottom of the conical precipitation plate. And a plugging piece for plugging the waste discharge pipeline is arranged in the conical precipitation plate. The application has the effects of ensuring the use effect of the precipitator in different application scenes and improving the applicability of the precipitator.

The utility model relates to sewage treatment technical field discloses a sewage treatment desilting device, including the treatment bin, the treatment bin top fixedly connected with the mixing bin, the treatment bin right -hand member bottom side fixedly connected with the discharge pipe, the treatment bin right -hand member top side fixedly connected with motor no.

The application relates to the technical field of soil remediation, and particularly discloses a heavy metal contaminated soil chemical leaching remediation device and a leaching remediation method. The heavy metal contaminated soil chemical leaching remediation device comprises a reaction tank provided with a containing cavity on the top side and a plurality of disturbance assemblies. A baffle plate is arranged in the containing cavity of the reaction tank, and the baffle plate forms a spiral flow channel in the containing cavity of the reaction tank. The disturbance assembly comprises a pipe body arranged in the spiral flow channel. A liquid driving assembly is arranged on the pipe body. A power assembly for driving the pipe body to move in the spiral flow channel is arranged on the baffle plate or the reaction tank. The heavy metal contaminated soil chemical leaching remediation device reduces energy consumption, reduces the input ratio of remediation reagents, and saves the cost of remediation reagents. The heavy metal contaminated soil chemical leaching remediation method forms multidimensional disturbance in the spiral flow channel, effectively breaks the laminar flow state of the mud, promotes the mixing of the reagents and the mud, and improves the uniformity and efficiency of the remediation reaction.

The utility model relates to the technical field of sedimentation tank cleaning and sludge discharge, specifically a sewage sedimentation tank cleaning and sludge discharge device, including sedimentation tank body, the sedimentation tank body is not top and the front end is open, the sedimentation tank body is provided with the push plate and the baffle in, the push plate top and the baffle top jointly fixed connection have two fixed frames, the bottom surface of each fixed frame all with the upper surface of sedimentation tank body sliding joint, the sedimentation tank body front end fixed connection has two limit boards, two limit boards relative one side bottom fixed connection has the sieve plate, the sieve plate with sedimentation tank body bottom fixed connection, the sieve plate bottom is provided with the temporary storage pool, and the temporary storage pool bottom is installed with the auger, the utility model discloses a push plate is set up, and the push plate can move steadily along the pool wall, and the push force is formed to the pool bottom sludge, can directly separate the sludge with adsorption from the pool bottom, avoid the sludge to accumulate in partial structure, on the other hand, the push plate and the baffle realize synchronous linkage through two fixed frames, and the baffle can quickly form temporary diversion passage.

The utility model discloses sewage treatment flocculants throwing device in the technical field of throwing device, including: the treatment bin, the bottom of treatment bin is installed with the liquid outlet pipe, a plurality of liquid outlets are established to the surface of liquid outlet pipe, still include drive unit and installation unit, drive unit is used to drive liquid outlet pipe rotates, installation unit is used to install treatment bin in the top of sewage treatment pond, in the utility model, through rotating and inserting a liquid outlet pipe in the bottom of treatment bin, when using, the user installs treatment bin in the top of treatment pond through installation unit, then drives liquid outlet pipe to rotate through drive unit, can even spray flocculants in the inside of treatment bin to the inside of treatment pond, thereby can even make the sewage in the inside of treatment pond and flocculants contact, guarantees the effect of deposition.

The utility model discloses a rotational flow air flotation sedimentation tank for sewage treatment, and belongs to the technical field of environment-friendly sewage treatment. The device comprises a tank body, a first deslagging device is arranged on the tank body, and a central cylinder, a gas dissolving device, a separator and a second deslagging device are arranged in the tank body; wastewater enters the center cylinder through the water inlet pipe, primary treatment is conducted on the wastewater through the center cylinder, secondary treatment is conducted on the wastewater through the gas dissolving device and the separator, and treated suspended solids and sand grains are discharged through the first deslagging device and the second deslagging device. Sand grains in wastewater are separated through the cyclone, oil suspended matters in the wastewater are removed through the cyclone effect and the air flotation effect, the flow ratio of the bottom water outlet pipe to the water outlet overflow pipe is adjusted through the liquid level height of the water outlet tank, the treatment effect is guaranteed, the occupied area of the equipment is small, the adaptability to water quality is high, and the equipment is suitable for large-scale popularization and application. Sand grains and oil suspended matters in the wastewater can be effectively removed.

The invention discloses a preparation system of a precipitant for precipitating MHP, which comprises a sodium hydroxide storage tank, a first-section nickel and cobalt precipitation underflow storage tank, a diluent introduction mechanism and a seed crystal tank, and the sodium hydroxide storage tank is used for storing a sodium hydroxide solution; the liquid inlet end of the first-section nickel and cobalt precipitation underflow storage tank is communicated with the first-section nickel and cobalt precipitation device and is used for storing part of underflow of the first-section nickel and cobalt precipitation device; the sodium hydroxide storage tank, the first-section nickel and cobalt precipitation underflow storage tank and the diluent leading-in mechanism are communicated with a liquid inlet of the seed crystal tank, a sodium hydroxide solution, first-section nickel and cobalt precipitation underflow and diluent are respectively led into the seed crystal tank, and a liquid outlet of the seed crystal tank is communicated with the first-section nickel and cobalt precipitation device. According to the method, the cobalt nickel hydroxide crystals in the first-section nickel and cobalt precipitation underflow serve as seed crystals to be added into the first-section nickel and cobalt precipitation device, so that the cobalt nickel hydroxide crystals in the first-section nickel and cobalt precipitation device are promoted to crystallize and grow better; and the sodium hydroxide solution can be diluted, so that after the sodium hydroxide solution is added into the first-section nickel and cobalt precipitation device, the local over-alkali condition is avoided, and the quality of an MHP product is improved.

This utility model discloses a microfiltration sedimentation component for an integrated tank in rural domestic sewage treatment, belonging to the field of sewage treatment. The integrated tank microfiltration sedimentation component includes a tank body, an inlet and an outlet disposed on the side wall of the tank body; a first baffle plate and a second baffle plate inclined within the tank body, the first and second baffle plates having opposite inclination directions, a first gap between the first baffle plate and the inner wall of the tank body, and a second gap between the second baffle plate and the inner wall of the tank body on the other side; and a filter plate inclined within the tank body, the filter plate having the same inclination direction as the first baffle plate. This utility model avoids direct impact of water flow on the bottom of the tank body, thus preventing the sludge already settled at the bottom from being stirred up, ensuring sedimentation effect and efficiency, enabling effective separation operations, improving overall work efficiency, and ensuring continuous operation of the equipment.

The invention relates to the technical field of breeding tail water treatment, in particular to fishery breeding tail water purification equipment which comprises a three-pool two-dam system, sand blocking curtains are each composed of a floating body cylinder, a curtain and a balancing weight, fixing plates are fixedly connected to the two sides of each curtain, and first floating blocks are slidably matched with one sides of the fixing plates; second floating blocks are fixedly connected to the first floating blocks through pull ropes, pushing cavities are fixedly connected to the sides, away from the water inlet, of the fixing plates, buoyancy cylinders are arranged in the pushing cavities in a sliding fit mode, pushing grooves are formed in the upper portions of the fixing plates, pushing blocks are arranged in the pushing grooves in a sliding fit mode, and springs are fixedly connected to the sides, close to the pushing cavities, of the pushing blocks; a supporting assembly is arranged in the pushing cavity, and a cleaning assembly is arranged on the curtain. The first floating block is automatically driven to drive the cleaning assembly to move up and down through water level changes, attachments on the curtain are removed in time, the manual cleaning difficulty is prevented from being increased, meanwhile, the supporting assembly is triggered by water level lifting to lock and release the first floating block, and the cleaning strength is enhanced.

The present application relates to a kind of resourceful treatment method of ammonium chloride crystallization mother liquor dry salt, belong to the waste residue processing technical field of ion type rare earth hydrometallurgy field.The present application uses adsorption technology and chemical precipitation method, step by step separates pollutants from waste residue, produces calcium sulfate, calcium carbonate, the crystalline precipitate of ammonium magnesium phosphate, carries out solid-liquid separation, and then converts evaporation salt into high-purity ammonium chloride solution.The present application is suitable for the treatment of ammonium chloride crystallization mother liquor dry salt with different proportions of various components, according to the solubility product constant of sulfide precipitation, calcium sulfate, calcium carbonate, ammonium magnesium phosphate is very small, step-by-step precipitation method is used to separate impurity elements in salt, strictly control process parameters, realize the transformation of ammonium chloride crystallization mother liquor dry salt to high-purity ammonium chloride solution, the existing precipitation and adsorption material in step is easy to solid-liquid separation, process technology is simple, easy to operate control, chemical reagent consumption is less, and salt treatment cost is low.

The invention discloses a municipal working well dewatering construction structure and a construction method. The construction structure comprises a precipitation well, a precipitation pipe is arranged in the precipitation well, a filter material is arranged between the precipitation pipe and the well wall of the precipitation well, the precipitation pipe comprises a well wall pipe and a filter pipe, filter holes are formed in the pipe wall of the filter pipe, the periphery of the filter pipe is covered with a filter screen, and a water pump located at the bottom of the precipitation pipe is arranged in the precipitation well during precipitation. And the dewatering well is filled with a plugging material after dewatering. Aiming at the construction structure, the construction method comprises the following steps: measuring a well position; burying a mouth protecting pipe; installing a drilling machine; drilling to form a hole; cleaning holes and changing slurry; a descending water pipe; filling a filter material; washing the well; carrying out rainfall trial operation; formal precipitation; and sealing the well. The precipitation well has the beneficial effects that the precipitation well is simple in structure, high in precipitation efficiency, high in adaptability and suitable for precipitation construction in a complex environment; the mouth protection pipe is embedded and cohesive soil outside the pipe is filled and sealed tightly, so that grout return outside the pipe during construction is effectively prevented; the dewatering well operates stably and reliably.

The integrated aerobic precipitation equipment comprises a tower body, the tower body is provided with a partition plate, a cavity, above the partition plate, of the tower body forms an aerobic tank, a cavity, below the partition plate, of the tower body forms a precipitation tank, and the aerobic tank and the precipitation tank are vertically arranged up and down; a central reflection cylinder with an opening facing the sedimentation tank is mounted at the bottom of the partition plate, the aerobic tank is provided with a first effluent weir, a first pipeline is connected between the first effluent weir and the central reflection cylinder, and the first pipeline is communicated with the central reflection cylinder along the tangential direction of the central reflection cylinder; the sedimentation tank is provided with a second effluent weir, and the second effluent weir is connected with a second pipeline so as to communicate the second effluent weir with the external tank body; the aerobic tank is provided with an air inlet header pipe connected with an external air blower, the air inlet header pipe is laid at the bottom of the aerobic tank through a plurality of branch pipes, a plurality of aeration discs are arranged on the branch pipes, and the aeration discs are fully arranged at the bottom of the aerobic tank. The equipment is simple in overall structure, the length of the second pipeline can be effectively reduced, and the aerobic reaction and precipitation effects can be effectively improved.

This invention relates to the field of chemical wastewater treatment technology, and particularly to a flocculation sedimentation tank treatment device for chemical production wastewater. The device includes a traveling frame, a track, and a sludge scraping mechanism. The sludge scraping mechanism includes a lifting drive unit, a sludge scraping section mounted on the lower end of the traveling frame via the lifting drive unit, and a pretreatment section. The sludge scraping section includes a scraper blade and a drag-reducing component to reduce the resistance encountered by the scraper blade during its reversing movement. The pretreatment section includes multiple agitator plates rotatably arranged on the left side of the scraper blade and distributed front and back, and a swinging component to drive the agitator plates to reciprocate back and forth. This invention reduces the resistance of the scraper blade during sludge scraping by using a pretreatment section to agitate and disperse the sludge at the bottom of the sedimentation tank. The drag-reducing component further reduces the resistance when the scraper blade reverses its reversing movement. Simultaneously, the symmetrically distributed and counter-oscillating agitator plates improve the uniformity of sludge distribution, thereby improving the uniformity of force on the scraper blade, ultimately extending its service life and improving the sludge cleaning effect.

The invention discloses a precipitant injection device and an MHP preparation system.The injection device comprises an alkali liquor storage tank, a magnesium-containing solution storage tank and a mixed injection mechanism, and the alkali liquor storage tank and the magnesium-containing solution storage tank are arranged beside a first-section nickel and cobalt precipitation reaction tank; and the mixed injection mechanism is arranged at the top of the first-section nickel-cobalt precipitation reaction tank, is connected with the alkali liquor storage tank, the magnesium-containing solution storage tank and the first-section nickel-cobalt precipitation reaction tank through pipelines, and is used for receiving alkali liquor in the alkali liquor storage tank and a magnesium-containing solution in the magnesium-containing solution storage tank, mixing the alkali liquor and the magnesium-containing solution and injecting the mixed liquor into the first-section nickel-cobalt precipitation reaction tank. According to the method, the alkali liquor and the magnesium-containing solution are mixed and then fed into the first-section nickel-cobalt precipitation reaction tank, magnesium hydroxide precipitates can be formed after the alkali liquor and the magnesium-containing solution are mixed, the magnesium hydroxide precipitates enter the first-section nickel-cobalt precipitation reaction tank and can be rapidly dissolved, and the effect of alkali liquor slow release is achieved; and the situation that local alkali is excessive in the first-section nickel and cobalt precipitation reaction tank is avoided, so that the precipitation effect in the first-section nickel and cobalt precipitation reaction tank is guaranteed, and the quality of an MHP product is improved.

The invention provides a phosphate flame retardant production wastewater treatment method which comprises the following steps: pretreatment; adjusting the pH value; precipitating and separating; rectification: introducing the precipitated and separated wastewater into a rectification tower, carrying out continuous rectification, and respectively collecting samples from the tower top, the tower tower and the tower kettle; cooling and crystallizing to obtain a mixture of NaCl and TiO2; spraying, washing, filtering and refining to obtain a TiO2 product; evaporating and crystallizing, namely introducing a filtrate obtained by spraying and washing the mixture of NaCl and TiO2 into a rotary evaporator for concentrating and crystallizing to obtain an industrial NaCl product; extracting, namely collecting filtrate obtained by spraying and washing the mixture of NaCl and TiO2, adding a mixed extracting agent for extracting, and recovering to obtain a phosphate product; and returning the residual extract liquor in the last step to be mixed with the wastewater in the fourth step, and introducing the mixture into a rectifying tower for circular treatment. According to the invention, the precipitation effect of suspended solids in wastewater can be improved, pollutants in the wastewater can be effectively separated in an energy-saving manner, and the drainage pollution is reduced.