177 results about "Sewage" patented technology

The invention discloses a rapid treatment method for a fracturing flowback fluid. The rapid treatment method comprises: (1) pumping a fracturing flowback fluid into an electron beam irradiation chamber, and staying for 20-120 s in the electron beam irradiation chamber; (2) adding a coagulant and a flocculant into the sewage treated by the electron beam irradiation chamber, and clarifying in a flocculation precipitation pool; (3) feeding the water treated by the flocculation precipitation a precision filtration pool, and carrying out fine filtration; and (4) collecting the water filtered by theprecision filtration pool in a clear water pool. According to the present invention, the gel breaking stage uses physical gel breaking so as to achieve clean gel breaking and greatly reduce the sideeffects of external agents, such that the reuse quality of the fracturing flowback fluid is good, and the fracturing flowback fluid is safe; the gel breaking time is shortened from 5-120 min to 20-120s so as to greatly improve the gel breaking speed; and compared with the traditional chemical gel breaking method and the biological gel breaking method, the method of the present invention simplifyfeeding equipment and other supporting equipment, reduces the occupation area, and reduces the complexity of manual operation.

The invention belongs to the technical field of adsorbing agents and relates to a method for preparing a carbon adsorbing material used for efficiently removing harmful ions from waste water. The method comprises the following step: on the basis of taking the soluble saccharide or furfural as a carbon source and the amino acid or compound containing sulfydryl, carboxyl or amino group as an additive, performing the hydro-thermal reaction on the carbon source and the additive at 160-220 DEG C, thereby generating the carbon solid adsorbing material. The adsorbing material can be used for processing heavy metal ions or transition metal ions in industrial effluent and domestic sewage and the processing effect is excellent. The method has the advantages that the soluble saccharide or furfural is used as a raw material for preparing the carbon solid adsorbing material, the cost of the raw material is low, the preparation process is simple, the solid adsorbing material is synthesized through one step of hydro-thermal reaction, the reaction condition is mild and controllable, and the solid adsorbing material prepared by using the method has excellent stability and contains a large amount of surface groups. The content of the surface groups can be controlled within a large scope without changing the reaction condition. The surface groups have strong interaction with the metal ions, such as sulfydryl and mercury ions, so that the carbon adsorbing material can be used for efficiently removing the harmful ions.

The invention relates to an enzyme treatment technique of difficult degradation organic sewage, belonging to the sewage treatment technical field. Coupling of an enzyme-reduction cocatalyst is employed at appropriate temperature and pH value, thereby catalyzing oxygen to generate superoxide radical and hydroxyl radical with extremely strong oxidation capacity, so as to remove organism from water. When the sewage is treated by the coupling of the enzyme-reduction cocatalyst, no peroxide is added; and air or oxygen is continuously led in, so as to generate hydroxyl radical with higher oxidation-reduction potential. The enzyme treatment technique is applicable to treatment of difficult degradation organic pollutant other than phenol and aniline in the sewage; in addition, the enzyme treatment technique has high removing efficiency and low treatment cost.

The invention relates to a roller washing device, comprising a main body having a clothes-inlet for putting into or taking out the clothes; a door arranged on the main body and used for controlling the opening and closing of the clothes-inlet; an outer drum arranged inside the main body; a rotary roller arranged at the inner side of the outer drum; a seal ring arranged between the door and the outer drum for ensuring the gap between the door and the outer drum more compact; and a drain pipeline arranged at the lower end of the inner side of the seal ring so as to prevent the water from deteriorating or staying inside the seal ring. The invention can prevent water from staying on the seal ring or from deteriorating and generating smell caused by the residual water due to the structure, thereby increasing the washing quality even the washing performance, improving the clean state of space surrounding the roller washing device and being more beneficial for the body health of the operator who uses the roller washing device.

The invention belongs to the technical field of biological sewage treatment, in particular relates to a method for quickly enriching phosphorus accumulating organisms (PAOs) in activated sludge. In the invention, a SBR (sequencing batch reactor) is used for successively inoculating aerobic phosphorus accumulating activated sludge of an aeration tank in an AAO (anaerobic-anoxic-aerobic) process and denitrifying phosphorus accumulating sludge of a pre-anoxic tank in a pre-concentration oxidation ditch process, denitrifying phosphorus accumulating organisms (DNPAOs) can fully utilize aerobically generated nitrate nitrogen for carrying out denitrifying phosphorus uptake, and simultaneously, the degradation of the nitrate nitrogen is favorable for anaerobic phosphorus release of aerobic PAOs. Compared with the traditional direct continuous culture method, the method provided by the invention can effectively shorten the enrichment time of the PAOs, thereby realizing the efficient and stable operation of an enhanced biological phosphorus removal (EBPR) system.

The invention discloses denitrifying phosphorus removal bacteria bacillus cereus H-hrb01, and belongs to the technical fields of biological engineering and environmental engineering, wherein bacillus cereus H-hrb01 belongs to bacillus genus by identification and is conserved in the general microbiology centre of the China committee for culture collection of microorganisms, the conservation date is March 27th 2012, and the conservation number is CGMCC NO.5939; bacillus cereus H-hrb01 can take various organic matters as carbon sources, has good denitrifying and phosphorus-removing efficiency, and can be used for sewage biological denitrification and dephosphorization process; bacillus cereus H-hrb01 is activated and cultivated, and fed into artificial wastewater to mix and then introduced into an SBR (styrene butadiene rubber) biofortification device, and each effluent index of the reactor is superior to that of a contrast system which is not fed with the bacterial strain. The removal rates of the COD (chemical oxygen demand), ammonia nitrogen and dissoluble phosphorus in the sewage are respectively up to 93.90%, 97.70% and 96.25%.

The invention discloses a method for loading titanium dioxide nanowires on a polyester fabric. The method comprises the following steps that 1, the polyester fabric is steeped in an alkali amine aqueous solution for surface roughening treatment; 2, titanium sol is prepared, the polyester fabric is steeped in the titanium sol, and seed crystal layer deposition is conducted on the surface of the polyester fabric; 3, hydrochloric acid treatment is conducted; 4, a titanium dioxide nanowire growth solution is prepared, an excess amount of titanium source is added, and hydrogen titanate nanowires are grown on the surface of the polyester fabric; 5, sulfuric acid treatment is conducted, and the polyester fabric loaded with the titanium dioxide nanowires is obtained. By means of the method for loading the titanium dioxide nanowires on the polyester fabric, compounding of TiO2 one-dimensional nanowires and polymer-based polyester fabric is achieved, and the polyester fabric has better self-cleaning property and antibacterial property; meanwhile, by means of the excellent photocatalytic performance of the titanium dioxide nanowires, the prepared polyester and TiO2 compounded fabric has a great application prospect in the fields of filtration and degradation of wastewater and atmospheric pollution treatment.

A nano-class magnetic particle-palygorskite composition, which can be magnetically controlled and used for cleaning raw materials, water, air, sewage, etc and preparing target medicines, is composed of palygorskite crystals and magnetic nanoparticles carried by said palygorskite crystal. It is prepared from palygorskite clay through suspending in water, adding Fe salt solution, hydrolytic reaction, dewatering, washing, and reductive calcining.

The invention relates to a multi-functional constant flow control valve used for flow adjustment and automatic control. The multi-functional constant flow control valve includes a valve body which is provided with a valve cover at the upper portion and a sewage draining exit at the lower portion. The valve cover is provided with a valve shaft at the center. The valve shaft is provided with an adjusting valve clack at the lower portion. A valve pocket, a differential pressure receptor and a bi-seat valve clack with a function of compensating the differential pressure are arranged inside the valve body. The valve pocket, the differential pressure receptor and the bi-seat valve clack with the function of compensating the differential pressure constitute a valve core. Compared with the prior art, the multi-functional constant flow control valve is more reasonable and compact in structure, simple in disassemble and maintenance, visual in flow display, and abundant in function, thus being applicable to more fields.

The invention discloses a sewage impurity filtering device, which comprises support legs. A filtered sewage output pipe and a filtrate discharge pipe are located on the support legs; a filter disc isconnected to the upper parts of the filtered sewage output pipe and the filtrate discharge pipe, and one side of the filter disc is connected to a sewage input device; a rotary column is vertically installed at the center of the filter disc; filter screens in different directions are uniformly dispersed at the edge of the rotary column; a tilted filter screen impurity cleaning apparatus is arranged at the lower part at the inner wall of the filter disc; a pressure discharge switch is installed in the filtered sewage output pipe; and a transmission apparatus connected to the pressure dischargeswitch and the rotary column is arranged at the rear outer wall of the filter disc. The problem that large impurity is left in sewage and blocks the filter screens is overcome, the sewage filtering efficiency is increased, and sewage and large impurity are automatically separated. The impurity left on the filter screens doesn't need manual cleaning. The sewage impurity filtering device is convenient for people, simple in structure and convenient to use.

The invention discloses a hospital sewage treatment system which comprises a grating well, a pre-disinfecting tank, a septic tank, a pre-aeration adjusting tank, an anoxic tank, a bio-contact oxidation tank, a vertical flow sedimentation tank, a quantitative tank, a purifier, a contact disinfecting tank and a dechlorination tank which are arranged in the sewage flow direction and communicate with each other through pipelines. The grating well communicates with a hospital sewage drainpipe. Processed hospital sewage passes through the dechlorination tank and is then discharged. The system provided by the invention has high degree of automation, is convenient to manage, and is adopted to reduce operating personnel. In comparison with a traditional sewage station management system, the system provided by the invention has the following advantages: energy is saved; operation time is reduced; work schedule of personnel and labor intensity are decreased; the purifying effect is good; and emission targets after processing reaches the national emission standard.

The traditional waste water treating process with added denitriding and dephosphorizing functions includes: throwing chemical dephosphorizing agent in the last section of settling pit, water outlet of the primary settling tank, or the aerobic section and outlet of the aerobic pond, and refluxing 30-60 % of active sludge and partial residual sludge to the primary settling tank to make traditional waste water treating process possess dephosphorizing function; connecting serially aerobic zeolite biofitering pond to the last section of the second settling pond to eliminate ammonia nitrogen with zeolite and chemical and biological synergistic regeneration to maintain the stable adsorption capacity of zeolite. The present invention is suitable for upgrading waste water treating yard, and has low cost.

The invention discloses industrial acidic sewage treatment equipment. The treatment equipment comprises a sewage filtering tank, a sewage neutralization tank, a sewage reaction tank and an impurity collection tank, wherein a filter screen is arranged in the sewage filtering tank, a brush roller is arranged at the upper part of the filter screen, and the brush roller is connected with a pushing mechanism. The brush roller can be pushed by the pushing mechanism to move in a moving groove, so impurities on the filter screen are removed and cleaned into the impurity collecting tank; sewage can bepumped into the sewage neutralization tank through a first pump, stirring blades are driven by a stirring motor to stir the sewage, and a chemical pumping cylinder can be driven by the stirring motorto work at the same time, so a chemical in a chemical tank is pumped into the sewage neutralization tank to be neutralized with the sewage; and the sewage can be pumped into the sewage reaction tank again for a reaction through the second pump. The equipment of the invention has the advantages of simplicity and convenience in sewage treatment, capability of ensuring that sewage meets neutralization requirements and capability of automatically cleaning and filtering impurities, and is mainly used for sewage treatment.

The invention relates to sewage treatment equipment, in particular relates to a residue cleaning device used for sewage treatment, and aims at providing a residue cleaning device which is used for thesewage treatment, simple in operation process and good in treatment effect and requires smaller resources. For achieving the aim, the provided residue cleaning device used for the sewage treatment comprises supporting legs and the like, wherein a first supporting plate is arranged at the top of the supporting legs at the left side and the right side, a movable filtration mechanism is arranged onthe supporting legs at the right side, a material guiding pipe is arranged at the middle part of the left side, and a collecting mechanism is arranged at the top of the material guiding pipe. The residue cleaning device used for the sewage treatment has the advantages that the movable filtration mechanism and the collecting mechanism cooperate with each other for treating sewage guided out from the material guiding pipe, and the optimization of an auxiliary mechanism and a disinfection mechanism is utilized, so that the effects of simple operation process, good treatment effect and smaller required resources are achieved.

The invention discloses a method for manufacturing ecological building blocks of a riverway protection slope from sewage plant sludge, belonging to the technical fields of resource utilization and environmental protection. The method comprises the following steps of: uniformly mixing and stirring sludge, cement, gravels, sand and water of a sewage plant; and prepressing and forming under a certain pressure and culturing under the steaming and curing condition to manufacture ecological protection slope building blocks for riverway renovation. The invention can solve the problems of sludge disposal and treatment, solves the problem of secondary pollution of heavy metals and pathogens in sludge and realizes the renewable resource recycling of the sludge. The produced ecological building blocks have the advantages of high strength and blush resistance, and N, P and K in the sludge can be used as nutrition matrixes for ecological growth, thus the ecological system of the riverway protection slope can be improved and a favorable riverway landscape is built.

The invention provides a solder tip production process and belongs to the technical field of solder tip production. The solder tip production process comprises the following steps: a step of manufacturing a copper mould blank: manufacturing a copper blank from a copper raw material and processing one end of the copper blank to a cone-shaped work end; a step of processing a copper blank and iron sleeve: sleeving a copper mould blank by an iron sleeve and fixing the iron sleeve to form the copper blank and iron sleeve; processing one end of the iron sleeve through a die to a cone shape, wherein the work end of the copper mould blank is fully coated so as to form the head of the copper blank and iron sleeve; a step of correcting the dimension: correcting the dimension of the body of the copper bank and iron sleeve to meet the standard dimension; a step of surface treatment: carrying out surface treatment on the copper blank and iron sleeve. The solder tip production process provided by the invention adopts a machine assembling and processing process of embedding the copper blank into the iron sleeve to replace a process of electroplating an iron layer, is free of discharge of electroplating sewage and environmental pollution and is environmental-friendly; the dimensions of workpieces are accurate and uniform, so that the workpieces can be automatically produced and manufactured, and the product is stable in quality and short in production period.

The invention discloses a kitchen effluent treatment method which comprises the following steps: 1, firstly, immediately filtering kitchen effluent to separate solid waste from a liquid; 2, for the separated liquid, realizing separation of oil and water according to the difference of specific weights of oil and water; 3, disinfecting the waste water after the oil and water are separated, and then performing secondary filtration; 4, further deeply treating the sewage subjected to the secondary filtration and then discharging or recycling when the filtered sewage reaches the standard. The kitchen effluent treatment device has a structure that a solid and liquid separation chamber and an oil storage chamber are arranged in a sewage tank, a solid and liquid separation filtering box is arranged in the solid and liquid separation chamber and connected with a sewage pipe, a water outlet is formed in the lower part of the solid and liquid separation chamber and is communicated with a water storage chamber arranged at the lower part of the oil storage chamber, an oil overflow hole is formed in the upper part of the solid and liquid separation chamber, a filtrate layer is arranged between the oil storage chamber and the water storage chamber, and sewage of the water storage chamber enters a filtering pipe. According to the kitchen effluent treatment method and the kitchen effluent treatment device, kitchen effluent is dispersed and ecologically treated from the source, and thus the problem of new pollution caused by sludge and sediments in a conventional treatment method is avoided.

The invention discloses a kitchen waste collecting and processing device for domestic use. The kitchen waste collecting and processing device comprises a shell, a squeezing device, a drying device and a deodorization device. The squeezing device comprises a hollowed-out material barrel, a squeezing screw rod and a drive handle, the lower right bottom face of the hollowed-out material barrel is provided with a discharging pipe, and the lower side of the circumferential wall of the hollowed-out material barrel is furthermore provided with a sewage channel. The drying device comprises a warm air machine, a cooling fan, transmission wheels and a conveyer belt, the transmission wheels are internally and fixedly provided with transmission shafts, and a discharging opening is formed in the lower right direction of the conveyer belt. The deodorization device comprises an air inlet, a deodorization chamber and an air outlet. Fine and soft kitchen waste is subjected to smashing, squeezing and solid-liquid separation through the squeezing device, the smashed waste and the hard large pieces of waste are dried through the drying device, the bad smell left by the waste is purified and eliminated through the deodorization device, the effects of firstly processing the waste and then classifying and collecting the waste are achieved, and the waste can be better processed and reutilized.

The invention discloses a monitoring system, especially an automatic wireless control system of a fluid container liquid level height. The system comprises a wireless liquid level detector, a controller and a handheld remote controller. The wireless liquid level detector only requires a piece of single point liquid level information in a liquid level sensor detection container to cooperate with the controller with a triggering-timing mechanism so that the automatic liquid level control is realized; at the same time, liquid level information changes of the liquid level sensor is detected in a time-delay manner to realize automatic detection of water source shortage and water pump abnormity so that the water pump is protected; and the handheld remote controller is used to simulate the liquid level detector to carry out manual remote control operation of a water supply and sewage control system. The system of the invention overcomes the problem in the prior art that the multi point liquid level is detected to realize the automatic water supply and sewage; at the same time, the method of detecting the liquid level probe in a time-delay manner maximizes the function; since only the power-on signal is transmitted, the service life of the power supply source especially the battery device is substantially prolonged; and the manual remote control method prevents the problem that the water pump needs shutting down manually.

The invention relates to a separate system controlling sewage and initial rainwater pollution. The separate system controlling sewage and initial rainwater pollution comprises a rainwater pipeline, asewage pipeline and separating control units. The rainwater pipeline and the sewage pipeline are parallel. The rainwater pipeline is provided with a plurality of separating control units. Each separating control unit is connected with the sewage pipeline through a separating pipeline. Each separating control unit comprises a separating well, wherein one side of the separating well is provided witha first inlet, the other side of the separating well is provided with a first outlet corresponding to the first inlet, the first inlet and the first outlet are connected with rainwater pipeline sections on the two sides of the separating well correspondingly, and the side, close to the sewage pipeline, of the separating well is provided with a second outlet. Each separating control unit is provided with a passage control unit which is used for controlling the opening degree of the second outlet. The separate system controlling sewage and initial rainwater pollution creatively adopts a rainwater pipeline separating manner and avoids the situation that initial rainwater of rainfall, ground cleaning sewage and mixed discharge of sewage and rainwater pollute natural water.

The invention discloses a discharge treatment system for the produced water of a polymer flooding oilfield, and belongs to biochemical discharge treatment of tertiary oil recovery polymer-containing sewage of the oilfield. Sulfate reducing bacteria having polyacrylamide degradation ability are cultured and screened; the produced water of the polymer flooding oilfield is treated though a combined process comprising a sulfate reducing bacteria pretreatment unit, a hydrolytic acidification unit and a contact oxidation unit; the sulfate reducing bacteria pretreatment unit is used for partially degrading and removing residual HPAM (Hydrolyzed Polyacryamide) out of the sewage at first, so that the load of the subsequent treatment units is reduced; a low-intensity ultrasonic generator is used for increasing the activity of a microbial enzyme by performing irradiation treatment on the activated sludge so that the capacity of decomposition of microorganisms on organic matters is improved; several techniques are combined to achieve the synergistic effect for improving the overall treatment capacity and the applicability of the process to the produced water of the polymer flooding oilfield. The discharge treatment system provided by the invention is simple in process and easy to implement, and is expected to realize standard discharge of the produced water of the polymer flooding oilfield in combination with auxiliary units such as a sedimentation tank.