90 results about "Volume load" patented technology

The invention discloses an airlift type internal circulation intermittent aerobic granular sludge reactor, which comprises an organic glass column, a temperature controller, a water inlet tank, an aeration pump, a water feed pump, a draining pump, a flow meter, a programmable logical controller, etc. The main body of the reactor is the organic glass column and can be divided into an inner sleeve and an outer sleeve, and the inner one is an upspout, while the outer one is a downcast pipe; the ratio of height to diameter is 15. The exterior of the downcast pipe is provided with a water bath heating casing for controlling reaction temperature. Mixed liquor in the reactor flows between the upspout and the downcast pipe in internal circulation to endow granular sludge with a self-balanced micro-ecosystem, the property of the micro-ecosystem is suitable for an up-flow type wastewater treatment system. The reactor adopts the sequence batch operation mode and can realize automatic control by the programmable logical controller. The reactor of the invention has the advantages of flexible operation, compact structure, little sludge remained, good treatment effect, and the like, and can bear high volume load and impact load; furthermore, the reactor has small occupying space and can reduce pork barrel due to relatively large H/D.

A biomembrane-type internal circulation anaerobic reactor relates to an internal circulation anaerobic bioreactor. The bioreactor comprises a first reaction zone, a second reaction zone, an upspout, a downcomer and a gas-liquid separator, wherein upper parts of the first reaction zone and the second reaction zone are respectively provided with a three-phase separator. The internal circulation anaerobic bioreactor is characterized in that the upper 2/3 part of the first reaction zone is taken as a filler zone, while the lower 1/3 part is taken as a water distribution zone; meanwhile, a part from the upper part of the three-phase separator of the first reaction zone to the lower part of the three-phase separator of the second reaction zone is also taken as a filler zone; and the filler zones are provided with composite fillers. Because the bioreactor adopts biomembrane to replace granular sludge, the bioreactor is changed fundamentally compared with the prior internal circulation anaerobic reactor. The internal circulation anaerobic bioreactor has the advantages that the bioreactor greatly reduces the starting time of flocculent sludge, and can reach full load operation in approximately one month; the bioreactor is particularly suitable for treating waste water which can not form granular sludge; moreover, the volume load of the bioreactor is 2 to 3 times than that of a UASB reactor during treating similar waste water; and the bioreactor effectively solves the problem of sludge loss.

The invention relates to one kind of wastewater treatment bioreactor. An aeration zone and a settle zone are provided in the reactor, the aeration device is located above the aeration zone, and a barrier and a gap are arranged between the aeration zone and the settle zone. It has many advantages: high oxidation rate in mixed liquid, high oxygen utilization rate of 40-50%, large volume load, short hydraulic retention time, run as activated sludge system, simple structure, low building cost, better solid-liquid separation effect, little surplus sludge produced, compact microorganism grains in mixed wastewater, and great settle capability. By comparison with other devices and technologies for wastewater treatment, the surplus sludge produced in degradation of 1 kg BOD declines by about 40 percent if the invention is used, which greatly reduces the amount of sludge for treatment.

This invention relates to an improved internal circulating anaerobic bioreactor. When the present internal circulating anaerobic bioreactors are used to treat low-concentration organic wastewater, the SS content in the outlet water is high, the internal circulating liquid ans the inlet water is not adequately mixed, and the utility of the second reaction zone is low. The improved internal circulating anaerobic bioreactor in this invention retains the upcast pipe, the downcast pipe and the gas-liquid separation zone, while uses a filtration zone to replace the precipitation zone, changes the single downcast pipe into 2-4 pipes with the equal space, and cancles the second reaction zone. The improved internal circulating anaerobic bioreactor has such advantages as simplified structure, high volume utility, low SS content in the outlet water, no sludge loss and high reaction efficiency. The volume load of the improved internal circulating anaerobic bioreactor is four times that of UASB reactor, with 20 kg COD/(m3 .d) when treating medium-concentration organic wastewater (such as beer wastewater), and 8 kg COD/(m3 .d) when treating low-concentration organic wastewater. Besides, the improved internal circulating anaerobic bioreactor also has such advantages as small space area, stable running and easy operation.

The invention provides an integrated two-phase anaerobic reactor. A fixing padding and an alkali distribution tube are arranged in a reaction area of the conventional up-flow anaerobic reactor; and by feeding alkali, the padding layer is adjusted and the pH value of muddy water in the reaction area above the padding layer is between 6.8 and 7.2 so that optimal growth conditions of acid generating fermentation microbes and methane generating fermentation microbes are formed on the lower part and the upper part of the reactor respectively and the treatment capability and running stability of the wastewater anaerobic reactor are greatly improved. Separation of hydrolysis acidifying phase and methane generating phase is realized in the reactor, capital construction and running expenses are saved, and the volume load of the reactor is improved.

The invention relates to a method for quickly culturing anaerobic hydrogen-producing granular sludge. The invention is characterized in that excess activated sludge which is cultured and pretreated by 60-100mg/L of cationic polyacrylamide is added to a reactor to ensure that the initial sludge concentration in the reactor is 12-25g/L; by using sugar-containing waste water as the substrate, the biochemical oxygen demand (COD) of intake water is 4000mg/L, the pH value is 7.5-8.5, the total hydraulic retention time in the reactor is gradually reduced from the original 15 hours to 3.5 hours, and the organic volume load is gradually increased from 6-10kgCOD/m<3> to more than 30kgCOD/m<3> in the moderate temperature (34-35 DEG C)condition; and the anaerobic hydrogen-producing granular sludge in which clostridia act as the main part accompanied with small amount of filamentous bacteria and sphaerophorus and the total volume of which accounts for 25-40% of the total volume of the reactor can be formed within 7-15 days. The reactor filled with the granular sludge can continuously produce fermentation gas the hydrogen content of which is 44-56%, the gas yield of the reactor is 10-16m<3>, and the hydrogen-producing efficiency can reach 3.1molH2/mol sucrose.

The invention discloses an efficient denitrifying integrated biological drum and an operating method thereof, and solves the problems that the existing biological rotary disc is low in volume load, complex in structure of disc, high in manufacturing and processing cost and large in workload for maintenance of the rotary disc driving device, and the biological membrane on the disc is easy in anaerobic fermentation to generate foul smell. The drum disclosed by the invention comprises a body, and an inversed T-shaped separator assembly which is formed by a vertically arranged first separator and a horizontally arranged second separator in the body, wherein the separator assembly divides the body into an anoxic zone, an aerobic zone and a settling zone. An opening by which wastewater flows from the anoxic zone to the aerobic zone is formed in the bottom of the first separator. A water inlet is formed in the upper part of the anoxic zone. The aerobic zone is internally provided with a biological drum. The upper parts of the anoxic zone and the aerobic zone are further mutually communicated through a backflow channel. The second separator is further provided with an overflow pipe communicated with the anoxic zone and the aerobic zone. The settling zone is further provided with a water outlet. The drum disclosed by the invention is compact in structure, small in occupied area, free from aeration by a fan and low in operating cost.

A compressor having a dual slide valve assembly is disclosed. The slide valve assembly includes: i) a volume slide valve mechanism that is slidably movable to control compressor volume ratio and power input to the compressor; and ii) a capacity and volume slide valve mechanism that is in operational association with the volume slide valve mechanism, and the capacity and volume slide valve mechanism is slidably movable to control compressor capacity and to control volume ratio and power input to the compressor. In at least some embodiments, the compressor is a rotary gas compressor for a compression (e.g., refrigeration) system. A method of increasing compressor efficiency using the dual slide valve assembly is also disclosed. Compressor volume load and/or volume ratio and/or compressor power input can be simultaneously controlled by both the volume slide mechanism and the capacity and volume slide mechanism. Advantageously, compressor efficiency is increased.

A loading apparatus and method including a stacker conveyor having paired crawler tracks, an inclined conveyor, and an intake end and a discharge end. A wide apron is positioned at the intake end of the conveyor. The apron includes a left-hand side and right-hand side load receiving area that are arranged on opposing sides of the feeder conveyor. Two double hinged feeder blades are positioned at a rear edge of the apron. The feeder blades are arranged to operate asynchronously. Each feeder blade includes a main blade and a wing blade. A straight mechanical drive unit including an engine and two planetary gearboxes that generate the torque required to drive the conveyor. The drive unit includes a torque converter and two planetary gearboxes with planetary sprockets. A chain extends between each planetary sprocket and a corresponding head shaft sprocket on a main head shaft which drives the conveyor.

The invention provides a membrane separation activated sludge device and processing method. The device and method can process with high BOD volume load. Even if the device operates with high flux, the device can defer block of the membrane so as to reduce frequency of washing membrane and changing membrane and to prevent addition of water quality deterioration of processing water and sludge. The membrane separation activated sludge device is used for processing water containing organism having an aeration tank, a biological processing tank and a membrane separation tank configured in series along an upriver direction toward a downriver direction. The biological processing tank has a carrier. In addition, the device further has a returning element that returns the sledge in the membrane separation tank to the biological processing tank.

The invention discloses an MSBR (Modified SBR) nitrogen and phosphorus removal technique based on an MBBR, and belongs to the technical field of sewage treatment. The technique is based on a system consisting of seven units, including a sludge concentration area, a hypoxic preconditioning area, an anaerobic area, an anoxic zone, an aerobic MBBR area, a sequencing batch reaction I area and a sequencing batch reaction II area, wherein suspended packing is all dropped into the aerobic MBBR area, a medium hole perforating aeration system is arranged at the bottom of the aerobic MBBR area, a water distribution system is arranged at a water inlet, and an interception screening system is arranged at a water outlet. According to the MSBR nitrogen and phosphorus removal technique based on the MBBR disclosed by the invention, the advantages of an MSBR technique and the MBBR technique are combined, the technique has the advantages of high volume load and stable effluent effect, and is suitable for carrying out update or capacity increasing transformation on the original MSBR technique, so that the treatment capability of the existing technique is promoted, and meanwhile, the technique is applied to new construction items, so that the occupied area can be greatly reduced.

High explosives suitable for filling very small volume loading holes in micro-electric initiators for micro-electro-mechanical mechanisms, used as safe and arm devices, are prepared from slurries of crystalline energetic materials and applied using various methods. These methods include swipe loading, pressure loading and syringe loading. A volatile mobile phase may be added to the slurry so as to partially dissolve the energetic material so that, upon evaporation of the mobile phase, the energetic material precipitates and adheres to the loading hole.

The invention provides a container cold transferring method and system. The method comprises the steps of storing configuration parameter information of a source node container and the container state; copying a data volume loaded by the source node container to a target node; importing the source node container into the target node; modifying the configuration parameter information; creating a container through the modified configuration parameter information; setting the container state to be the stored container state. By transferring the source node container to the target node, firstly the data volume loaded by the source node container is copied to the target node, then by transferring the configuration parameter information and the state, it is guaranteed that data in the containerand data in the container data volume are not lost, therefore the problems that when a physical node in a cluster needs hardware upgrading or faces a possible error risk, the container in the currentnode needs to be transferred to another node, and the usability is poor are solved; the container cluster is conveniently managed, and by using a floating IP, it is guaranteed that the transferred IPaddress cannot be changed.

The invention relates to the field of electronic chart graph processing, in particular to an electronic chart displaying method and system. According to the electronic chart displaying method, an electronic chart area needing to be displayed is located through a rectangular cutting window; objects wholly outside the cutting window and portions, outside the cutting window, of objects partially in the cutting window are cut out in an electronic chart traversing mode; only portions in the cutting window are reserved; the objects are loaded into a memory bitmap; and finally the objects are displayed on a screen in a memory bitmap mode. Thus, the data volume loaded into internal storage is greatly reduced, and the electronic chart displaying speed is improved.

This invention discloses an advanced treatment method of organic pigment waste water, which belongs to organic waste water disposal technique domain. Its steps include: electrolyze pigment waste water, dilute electrolyzed pigment waste water to COD density 1000-2000mg/L, use it as reactor water, introduce in anaerobic particle bed reactor, add 10-20mg/L phosphate into waste water, turn on initial volume load of anaerobic particle bed reactor, gradually decrease, increase load by decreasing hydraulic detention time or increasing importing water COD density until effluent can be directly used as feeding water. Anaerobic effluent and air current directly enter aerobic reactor from reactor bottom. Processed feeding water can be directly volleyed. On the basis of organic waste water characteristics of high COD, high chroma, and high salinity, this invention can quickly and high-performance process. Feeding water can achieve first class emission standard of 'integrated wastewater discharge standard' (GB8978-96). Wherein COD is l lower than 50mg/L. Chroma is lower than 50 times.

Secondary crystalline high explosives are disclosed which are suitable for filling very small volume loading holes in micro-electric initiators for micro-electro-mechanical mechanisms (MEMS), used as safe and arm (S&A) devices. The explosives are prepared by adding the such a high explosive to an aqueous first volatile mobile phase, adding such a high explosive to a non-aqueous second volatile mobile phase, mixing the first and second volatile mobile phases and then loading the combined phases into the MEMS device and allowing the aqueous and non-aqueous solvents to evaporate depositing the high explosive. Enhanced adhesion between the deposited high explosive and enhanced rheological properties can be obtained by adding a polymeric binder to both mobile phases.

The invention relates to an organic waste water anaerobic treatment method, which belongs to the waste water treatment technology field. The invention adopts a processing apparatus composed by a tower type container with and a water distribution device, a three phase separator and a matched gas-liquid pressure balancer doubled as a water power flame arrester disposed therein; an acid-producing bacteria gathering area and a methane-producing bacteria gathering area are disposed above the water distribution device. the processed water is formed into homogeneously distributed rising water flow on the cross section of the apparatus by passing through the water distribution device; the organic compounds in the water is decomposed into methane and carbon dioxide gas in the acid-producing bacteria gathering area and the methane-producing bacteria gathering area; all the gases and liquid are passed through the three phase separator to be separated and the gas-liquid pressure balancer doubled as a water power flame arrester to be discharged; and the anaerobic bacteria sludge is entrapped in the apparatus effectively without loss. The invention needs not to dispose hydrolysis-acidification pool or water outlet backflow, has a simple process, can operate stably under the volume load of 1-30kgCOD/M.d, and can reach the organic compounds removal rate of waste water to about 90%.

The present invention relates to a staged multistep multiple-biota sewage treatment method. In a tractional flow type bio-chemical tank several groups of vertically-arranged baffle plates are mounted, said bio-chemical tank is separated into several insulated chambers, every insulated chamber can be formed into relatively-independent pu-flowed reactor, several up-flowed reactors are series-connected together and formed into the invented system process, along said system process the anaerobic or facultative anaerobic-aerobic treatments can be continuously and alternatively operated, so that the microorganism can be fully separated. Said invention also provides its main technological parameters; maximum COD volume load is 28 kg CODcr/cu.m.d, and maximum NH3-N volume load is 3.0 KgNH3-N/cu.m.d.

The invention discloses a TAIC high-rate anaerobic reactor, comprising a first reaction chamber and a second reaction chamber which are superposed, a charging tube, a discharging tube, a gas raising tube, a sludge circulation backflow tube, a tri-phase separator and a steam-liquid separating tank. The invention is characterized in that the height and diameters of the two superposed reaction chambers are different, and the upper second reaction chamber is larger than the lower first reaction chamber; the tri-phase separator relates to a ball-crown inclined connecting tri-phase separator; a circulation backflow pump provided with speed-adjusting function is arranged on the gas raising tube; the sludge circulation backflow tube is directly communicated with the lower part of a nozzle of a charging header tube; an automatic pressure-regulating charging tank is arranged on the charging tube; the charging header tube is connected with a cloth system arranged at the bottom of the first reaction chamber. The reactor is provided with super-high volume load rate, small occupied area, low capital outlay, high gas-generation, better purified water quality and strong anti-impact capability and can be widely used for the anaerobic processing to organic waste liquids of various concentrations.