86 results about "Precipitation water" patented technology

The invention relates to a method for fast aerobic granulation of flocculent sludge in a sequence batch reactor and is characterized in that the height-to-diameter ratio of the reactor is 2-8:1, inoculated flocculent sludge is the conventional sewage secondary biologically processed active sludge, concentration of the sludge is 2000-5000mg/L and the inlet water is urban sewage; at a temperature of 15-37 DEG C, the sequence batch reactor adopts the operational mode with an operation method A and an operation method B alternatively working; the operation method A: water inflow-anaerobic agitation-aerobic aeration-precipitation-water discharge-standing; the operation method B: water inflow-anaerobic agitation-precipitation-water discharge-aerobic aeration-standing; one circulation according to the operation method B is added to every 5-15 circulations according to the operation method A; with the formation and the increase of the aerobic granular sludge and the increase of partical size of the sludge, the proportion of the circulation time according to operation method A to the circulation time according to operation method B is increased; the operation method B does not stop until the aerobic granulation is completely carried out on the sludge. The method of the invention has the advantages of shortening reactor starting time, improving operational efficiency and lowering operational cost.

The invention discloses a preparation method of an Fe3O4@Au nuclear shell function material. The preparation method includes the following steps that S1, Fe3O4 nano-particles are added to methyl alcohol and mixed evenly, so that a solution A is obtained; S2, polymine and the methyl alcohol are subjected to oscillating dissolution, potassium hydroxide and carbon disulfide are added, the mixture is stirred for 10-15 minutes and dropwise added to the solution A obtained in the step S1, vibration is carried out for 5-8 minutes, standing is carried out, precipitation water is used for carrying out cleaning, and then Fe3O4@PEI-DTC nano-particles are obtained and added into water to be evenly mixed, so that a solution B is obtained; and S3, the solution B obtained in the step S2 is dropwise added to a chloroauric acid aqueous solution, vibration is carried out continuously in the dropwise adding process, then standing is carried out, precipitation water is used for carrying out cleaning, water is added to be evenly mixed, then a solution C is obtained, a sodium borohydride aqueous solution is dropwise added to the solution C, vibration is carried out continuously in the dropwise adding process, then standing is carried out, and precipitate is extracted and washed, so that the Fe3O4@Au nuclear shell function material is obtained.

The present invention relates to a novel magnetic biological filtration pool, and belongs to the technical field of environmental protection and water treatment equipment. The novel magnetic biological filtration pool comprises a water inlet grid, a water inlet box, a fore-pump valve, a water inlet pump, a water inlet pipe, an integrated equipment main body part, an after-precipitation water outlet pipe, an after-precipitation water outlet valve, an effluent disinfection device, and an effluent collection pool, wherein the integrated equipment main body part comprises a bioreactor main body portion, a bioreactor attachment portion and a precipitation portion, and the bioreactor main body portion and the precipitation portion are closely and integrally welded and connected through the organic glass wall on the right side of the integrated equipment main body part. According to the present invention, the impurity on the magnetic filler can easily loosen and shed, the back washing is not required, and the filtration pool clogging can be effectively prevented; and the condition of the water flow in the magnetic adsorption filler in the filtration pool and the uniformity of the organism on the filler can be improved, such that the problem of the non-uniform growth of the biological films on the filler front end and the filler rear end in the traditional filtration pool is avoided so as to substantially increase the microorganism utilization rate of the filtration pool filler.

The invention provides a construction method for a dewatering well to stretch into a confined water layer. The method comprises the following steps that firstly, well hole drilling is conducted, well hole drilling is conducted at the set position according to design requirements, and a well hole sequentially penetrates an underground shallow water layer and a soil layer till stretching into the confined water layer; secondly, pipe lowering is conducted, the pipe structure for the dewatering well is lowered into the drilled hole, and it is guaranteed that the bottom end of a pipe stretches to the confined water layer; thirdly, filter material filling is conducted, the part between the pipe and the well hole wall is filled with clay, and the part between a filter pipe and the well hole wall is filled with a filter material to the designed height; fourthly, well washing is conducted; and fifthly, immersible pump sinking is conducted. In the construction method for the dewatering well to stretch into the confined water layer, the dewatering well is drilled to the confined water layer according to the construction requirement, then the pipe structure for the dewatering well is lowered into the well hole in a sinking manner, the precipitation water level can be controlled through the method while confined water is not influenced, the precipitation quality is guaranteed, favorable conditions are created for earth excavation, and good technological and economical benefits are achieved.

The invention discloses a method for intensively inducing aerobic sludge granulation by means of humic acid, and belongs to the technical field of wastewater treatment. The method comprises the following steps that inoculation sludge obtained after pre-aeration treatment is put into a sequencing batch (SBR) reactor and then cultured with artificially-synthesized simulated domestic wastewater; in the culturing process, when microorganisms are in a starvation state, processed natural earthy browncoal humic acid materials are put into the SBR reactor, wherein the SBR reactor runs in a water feeding-aeration-oxygen deprivation-secondary aeration-precipitation-water drainage mode for 3-4 cycles every day, each running cycle lasts 6-8 hours, and the reactor needs to be idled for a period of time after running for one cycle every time. According to the method, the processed humic acid materials are added, the growth speed of aerobic granule sludge is increased after reasonable running control procedures are conducted, and the aerobic granule sludge with a simultaneous denitrification function can be obtained after culturing is conducted for about 12-20 days.

The invention provides an underground comprehensive pipe gallery structure with water prevention and water drainage functions and a construction method of the underground comprehensive pipe gallery structure, and relates to the technical field of comprehensive pipe gallery construction. The underground pipe gallery structure comprises a top waterproof concrete layer, a back filling layer, a pervious concrete layer, a waterproof layer, a comprehensive pipe galley body, U-shaped water drainage ditches, a bottom waterproof concrete layer, water-collecting wells, water drainage pipes and a U-shaped gable slope water drainage ditch. The gallery body can effectively dredge underground water and earth surface precipitation water, it is guaranteed that water circulation in original soil mass is not damaged, and the service life of the gallery body is indirectly prolonged. Meanwhile, the gallery body structure has an underground water and earth surface precipitation water collection function, improves the utilization rate of the underground water and the earth surface precipitation water, and accords with the conception of a sponge city. Pervious concrete is adopted as backfill, the backfill distance is long, the pervious concrete can play a role of flowing water choked flow, and flowing water corrosion of the galley body is reduced; and at the same time, the underground pipe gallery structure can eliminate road surface accumulated water, can prevent accumulated water congelation and road surface freezing swelling, and can be used as a secondary barrier to protect the comprehensivepipe gallery.

The invention discloses an air-flotation and precipitation solid-liquid separation device for water treatment. The air-flotation and precipitation solid-liquid separation device comprises a flocculation area, a contact area, a separation area, a mud collection area and a precipitation water outlet area, wherein the contact area is arranged between the flocculation area and the separation area; theseparation area is connected with the precipitation water outlet area through a perforated wall of the precipitation water outlet area; the mud collection area is arranged on the lower part of the separation area; the flocculation area consists of four reaction sections and a transitional section; the reaction sections are directly partitioned through a wall body, the flocculation area consists of vertical shafts at the reaction sections, and small-hole grille plates are arranged in the vertical shafts. The invention also discloses the air-flotation and precipitation solid-liquid separation device for water treatment. According to the air-flotation and precipitation solid-liquid separation device for water treatment disclosed by the invention, through an optimized structure, the phenomenon that both of an air flotation process and a precipitation process can achieve good treatment effects is ensured, and the water outlet quality is best.

The invention discloses a device for controlling engineering precipitation, which relates to the technical field of underground engineering risk control and aims to solve the technical problem of low risk control and defense capability. The system comprises a main power supply, a standby power supply, a main pumping well, a standby pumping well, an automatic transfer switch (ATS) intelligent conversion and shunt delay power supply device and a standby intelligent pumping well control device, wherein the standby intelligent pumping well control device comprises an intelligent controller, a water level abnormity monitor and a starting box; the water level abnormity monitor feeds a precipitation water level back to the intelligent controller in real time; the intelligent controller automatically starts or stops pumping equipment in the standby pumping well through the starting box; and an automatic judgment module is arranged the ATS intelligent conversion and shunt delay power supply device and is used for automatically switching precipitation power utilization and supply power to each pumping equipment. The system provided by the invention can lower the risk probability and harmfulness during precipitation operation.

The invention discloses a cultivation wastewater treatment process which comprises the following steps: large impurities are intercepted by a mechanical grating, the water quality is adjusted by an aeration adjusting tank, most of suspended matters are removed by a plate-and-frame filter press, the residual part of suspended matters are removed by a precipitation water collecting tank, low-temperature granular sludge in an anaerobic reactor is used for anaerobic removal of most organic pollutants, an anaerobic ammonia oxidation combined tank is used for removing residual organic matters and most ammonia nitrogen and total nitrogen, and up-to-standard discharge is realized after sludge and water separation in a secondary sedimentation tank. According to the process, the process is simplified by adopting the plate-and-frame filter press, and the suspended matter removal effect is good. The anaerobic reactor adopts the low-temperature granular sludge to operate, and the sludge holding capacity is large, the operation load is high, the volume of an anaerobic unit is small, the efficiency is high, and the low-temperature operation energy consumption is low. The anaerobic ammonia oxidation combined tank is small in required tank volume, small in oxygen demand and low in energy consumption, is good in water outlet effect and can be stably reached and lower than the emission standard;in addition, a carbon source does not need to be additionally added.

The invention discloses an excavation operation method for a garbage heap body. The excavation operation method comprises the following method steps of site investigating, engineering risk eliminating, excavation operating, slope controlling, safety measuring, precipitation water diversion measuring, air diversion measuring, water filtration measuring, heap body covering, rain and pollution dividing, and sterilizing and deodorizing. According to the excavation operation method for the garbage heap body, the sufficient site investigation work is conducted before excavation, the appropriate measures are conveniently adopted to avoid risks, leachate of the garbage heap body can be effectively guided by arranging a leachate guiding and exhausting blind pit, smooth guiding of the buried air iseffectively ensured by arranging a drilling and air guiding well, and the safety of the workers is ensured; the water in the garbage is filtered by arranging a water filtering table so that transferring of the garbage is facilitated, reasonable and standardized excavation operation is conducted on a landfill, the safety risks are effectively avoided, other buildings can be reconstructed at the landfill, the reasonable disposal of the landfill can be achieved, meanwhile, the problem of urban land tension can also be solved.

The invention discloses a precipitation water pressure monitoring intelligent irrigation device which comprises a support. An irrigation opening which is provided with a downward opening and is through in the front-back direction is formed in the support, an irrigation block is fixedly arranged on the upper wall of the irrigation opening, an irrigation cavity is formed in the irrigation block, and irrigation pipelines with downward openings are arranged on the lower wall of the irrigation cavity in left-right uniform distribution and communication manners; and spray heads located under the irrigation pipelines are fixedly arranged on the lower end face of the irrigation block in a left-right uniform distribution manner, a water storage tank is fixedly arranged at the right side of the upper end face of the support, and a water storage cavity is formed in the water storage tank. By means of the precipitation water pressure monitoring intelligent irrigation device, automatic irrigation of farmlands can be achieved, rainwater is collected, and the water pressure of the rainwater amount is monitored in real time, so that the water outlet amount of farmland irrigation is controlled, and the farmlands can obtain the proper irrigation water amount; and meanwhile, the device can stop irrigation work when the temperature is low, the evaporation amount can be simulated when the temperature is high, and the water shortage phenomenon of the farmlands is avoided.

The invention relates to a stainless steel water bath dedusting and desulfurizing tower, which comprises a gas inlet pipe, a top cover, a water spraying pipe, a water pump water outlet pipe, a sieve pore plate, a water collecting plate, a case, a water line, a precipitation water pool, a water pool water overflow pipe, a self-suction vacuum device, a water pump, an overflow pipe, a dust mud discharging opening, a clear water pool, an exhaust opening, a steam-water separator, a low-speed mud discharging packing auger, a chain bucket elevator and an alkaline adding machine. The stainless steel water bath dedusting and desulfurizing tower is characterized in that the desulfurizing tower case is formed by welding stainless steel plates; lower feet are connected with the precipitation water pool; the water overflow pipe is arranged on the precipitation water pool, and is connected with the clear water pool; the overflow pipe is arranged on the clear water pool; the self-suction vacuum device and a filter screen cover are arranged on a water pump water inlet pipe; the water pump water outlet pipe is connected with the water spraying pipe; a smoke dust gas inlet pipe passes through the top cover and the center of the sieve pore plate to penetrate through the straight water line; the sieve pore plate is welded on the gas inlet pipe; the alkaline adding machine is arranged on the clear water pool; a low-speed mud discharging packing auger and the chain bucket elevator are used for discharging dust mud. The technology is advanced; the equipment is simple; the electricity consumption is low; the dedusting and desulfurizing effects are good; the stainless steel water bath dedusting and desulfurizing tower is advanced dedusting and desulfurizing equipment worthy of being popularized.

The invention relates to the field of circulating water utilization, in particular to a sedimentation type circulating water floating head water intake device. The technical solution is: a sedimentation circulating water floating head water intake device, including a sedimentation tank connected with a water inlet pipe, a number of sedimentation plates are arranged in the sedimentation tank, a floating head is arranged in the sedimentation tank, and a water intake hose is fixed on the floating head. The invention provides a sedimentation type circulating water floating head water intake device that accelerates sedimentation and uses a floating head to obtain water to ensure the cleanliness of the circulating water, and solves the problems of complicated water treatment process and poor effect of the existing circulating water intake device.

The invention discloses a wet type and explosion prevention dust remover for metal shot blasting. The dust remover includes a mounting bracket, a fan and a chimney; the fan and the chimney are locatedon one end of the mounting bracket, the fan is arranged side by side with the chimney, the bottom end of the inner side of the mounting bracket is provided with a purification and precipitation watertank, one end of the purification and precipitation water tank is fixedly mounted with a water pump, and a circulation water pipe is fixed at an input end of the water pump; and through arrangement of a washing tower, an exhaust pipe, an air inlet pipe, the water pump, a drain pipe, the circulation water pipe, the purification and precipitation water tank, a sewage discharge outlet, and the chimney, the dust remover is convenient to purify a gas containing magnesium-aluminum dust during a shot blasting process, achieves standardized discharge, and is also convenient to recycle and reuse wastewater, and through arrangement of a rain shield, wind bells, a rotation block, a fixation block, a rain shelter plate and support rods, the dust remover is convenient to improve the waterproof effectof the upper end of the chimney, and also avoid the problem that when the chimney is not in use, birds enter the inner side of the chimney to build a nest from the upper end of the chimney, thereby causing inconvenient usage.

The invention discloses a precipitation water treatment method. The method involves a folded plate eddy current synergistic flocculation unit, an inclined pipe precipitation unit, a sludge backflow and discharge unit and a dredge pipe backwash unit, wherein the folded plate eddy current synergistic flocculation unit is composed of four folded plate eddy current reaction chambers, raw water enters an water inlet pipe, passes through a pipeline mixer, and orderly passes through the four folded plate eddy current reaction chambers via a pipe mixer, and then enters the inclined pipe precipitation unit after passing through a transition area; same-wave folded plates, opposite folded plates and eddy current reactors in different models are arranged in the four folded plate eddy current reaction chambers, and a sludge backflow, discharge and backwash device unit is arranged at the bottom of each of the four folded plate eddy current reaction chambers. By use of the method disclosed by the invention, the efficiency of the flocculation reaction is improved, the effects of improving the water purification amount and the water quality are obvious, and the clarifying efficiency and the precipitation effect are guaranteed at the same time, water sources and the coagulation reagent quantity are effectively saved, and the high social and beneficial benefit are realized.

The invention belongs to the technical field of foundation pit precipitation construction, and particularly relates to a foundation pit precipitation automatic starting and stopping device. In the process of precipitation, the amount of water seepage per unit time is slowly reduced, but the water pumping amount per unit time of a water pump is certain, water to be pumped by the water pump does notexist for a certain period of time, the water pump idles, and as a result, the foundation pit precipitation automatic starting and stopping device is damaged; and a pressure sensor senses the increase or decrease of the water level, an intermediate relay acts according to corresponding signals after the corresponding signals are sent by the pressure sensor, a water pump control line is closed orcut off to start or stop water pump operation. In the foundation pit precipitation construction process, by means of the automatic starting and stopping device, operation of the precipitation water pump can be automatically controlled to start or stop, the precipitation efficiency is improved, the workload of construction personnel is reduced, and the precipitation effect is improved.

The invention belongs to the technical field of water treatment, and particularly relates to a high-efficiency combined water purifier. The water purifier comprises a reaction tank, a precipitation tank and a filtration tank, wherein one end of a water inlet pump is connected to one side of the upper part of the reaction tank through a pipeline and a valve; grid variable-orifice stirring blades are arranged in the reaction tank; the bottom of the precipitation tank is provided with a forcible water outlet pipe, and the middle part of the precipitation tank is provided with a co-current oblique plate; the bottom of the co-current oblique plate is provided with a precipitation water collector; the precipitation water collector is connected with a pure water outlet hose; the top of the filtration tank is provided with a dredge traveling crane, a vertical blanket-shaped filter disc and a water outlet weir are arranged in the filtration tank, the bottom of the filtration tank is provided with a water collection trunk passage, a pure water outlet is formed on one side of the bottom of the filtration tank, and the dredge traveling crane can move back and forth on the top of the filtration tank.; a dredge pump is fixed below the dredge traveling crane; and one end of a dredge pipe is connected with the dredge pump, and the other end of the dredge pipe is positioned on one side of the blanket-shaped filter disc. The water purifier has the advantages of compact structure, small floor area, shallow tanks, stable water quality, easiness and convenience in management and capability of keeping capacity retention time of the pure water be only about several minutes, and fully shows the characteristic of high efficiency compared with the conventional flow.

The invention provides an integrated water purifier. The integrated water purifier comprises a high-level water tank, a precipitation water outlet pipe, a purification device and a pure-water outlet pipe, wherein the purification device comprises a purification barrel, a filtering chamber, a blowdown mechanism and a backwashing mechanism; the purification barrel comprises a flocculation chamber and a precipitation chamber; a sewage inlet is arranged below the flocculation chamber; the filtering chamber is located in the middle of the purification barrel and is isolated from the purification barrel; the backwashing mechanism comprises a siphon ascending pipe, a siphon assisting pipe and a siphon descending pipe; the lower end of the siphon ascending pipe is communicated with the filtering chamber; the horizontal height of the lower end of the siphon descending pipe is smaller than the horizontal height of the lower end of the siphon ascending pipe; the high-level water tank comprises asewage chamber and a pure water chamber; the upper side of the precipitation chamber is communicated with the sewage chamber of the high-level water tank through the precipitation water outlet pipe; the pure water chamber of the high-level water tank is communicated with an inlet at the upper side of the filtering chamber through the upper part of the siphon assisting pipe; the water purifier hasan automatic backwashing function and ensures efficient filtering of a water purification system.

The invention discloses a multilevel tank type integrated biological bed combination device and a method for applying the same. The multilevel tank type integrated biological bed combination device comprises an up-flow aerobic reactor, an up-flow anaerobic immobilized bacterium reactor and a precipitation water outlet apparatus. The up-flow aerobic reactor, the up-flow anaerobic immobilized bacterium reactor and the precipitation water outlet apparatus are sequentially serially connected with one another. The multilevel tank type integrated biological bed combination device is completely submerged in water, water flow can flow from a water inlet of the up-flow aerobic reactor, sequentially flows through frame plates, a first reflux opening, a first overflow opening, a frame plate in the up-flow anaerobic immobilized bacterium reactor, a second reflux opening, a second overflow opening, a frame plate in the precipitation water outlet apparatus and a third reflux opening, and ultimatelyflows out from a water outlet, and accordingly nitrogen and phosphorus removal and purification effects can be realized for water bodies. The multilevel tank type integrated biological bed combinationdevice and the method for applying the multilevel tank type integrated biological bed combination device have the advantages that energy and spaces can be saved, combination processes of gravity flow-bacterium immobilization-nitrification phosphorus accumulation-denitrification phosphorus release-precipitation adsorption-sludge removal and the like can be implemented in the same reactor, the multilevel tank type integrated biological bed combination device is easy and convenient to operate and wide in water quality applicable range, the ammonia and nitrogen removal efficiency can reach 85% atleast, and the phosphorus removal efficiency can reach 70% at least.

The invention provides a drainage rate analysis method based on tackifying-type emulsion. The drainage rate analysis method comprises the following steps: step 1: adding a surfactant into in-situ injection water according to a given ratio, and uniformly stirring to obtain a surfactant solution; step 2: adding a crude oil sample into the surfactant solution according to a given ratio; step 3: sealing, and placing into a constant-temperature box and keeping at constant temperature for a given time; step 4: taking out from the constant-temperature box, then placing in a rotary culture device, rotating and uniformly mixing, standing at constant temperature in the constant-temperature box for a given time, and reading a volume of the precipitated water phase; step 5: calculating the drainage rate according to the volume of the precipitation water phase in a scale test tube and the standing time. The drainage rate analysis method based on the tackifying-type emulsion intuitively, rapidly andconveniently evaluates the stability of water-in-oil emulsion formed by solubilizing a water phase into the oil phase under the effect of the surfactant; moreover, the test step is simple, the cost is low, the effect is good, and the technical support is provided for screening and evaluating an emulsion surfactant oil displacement system.

The invention discloses a water-collecting cultivation structure which includes a first water-collecting part, a second water-collecting part and a diversion part, wherein the first water-collecting part has a hollow area for plant growth, and the outer part of the first water-collecting part is sleeved with the second water-collecting part, and a water storage space with a water inlet is formed between the first water-collecting part and the second water-collecting part. One end of the diversion part is communicated with the lower end of the water storage space, and the other end of the diversion part leads to the roots of the plants. The water-collecting cultivation structure can make full use of precipitation water resources, conserve water, improve the soil moisture conditions, increase the survival rate of the plants, and promote the growth of the plants. The water-collecting cultivation structure can be applied to vegetation cultivation, afforestation and desertification in desert areas, effective use of water resources can be achieved, the afforestation costs are reduced, the survival rate of forest trees is high, forest growth is promoted, and thus the goal of controlling sand by using living plants is achieved.

Integrated circulating biochemical sewage treatment equipment, including the inlet channel, mud and water mixing area, anoxic area, aerobic area, sedimentation water inlet area and sedimentation area connected in sequence from upstream to downstream, wherein the anoxic area is separated by air lift The circulation pipe is connected to the aerobic zone; it also includes a sludge return device, which includes a sludge return main channel connected to the upstream of the mud and water mixing zone and the first airlift sludge return pipe, and the sedimentation zone passes through the first The air-lifting sludge return pipe is connected to the sludge return main channel, or the sedimentation area is connected to the sludge return main channel through the first air-lifting sludge return pipe and the sludge return branch pipe or branch channel in turn; the sedimentation area is also connected to the effluent discharge device . This sewage treatment device is especially suitable for villages and towns, concentrated residential areas, and living areas of tourist spots in scenic spots, etc.; it has relatively small investment, strong pertinence, mature technology, simple structure, stable performance, long service life, small footprint, and low operating costs. Low cost, safe and reliable operation, convenient maintenance and management.