86results about How to "Sink fast" patented technology

The invention belongs to the field of sewage treatment and provides a short distance denitrifying dephosphatation double-sludge technique taking granular sludge as medium and a device thereof. The device sequentially comprises a raw water pipe, a water inlet tank and a water inlet valve, and is characterized by further sequentially comprising an anaerobic/anoxic SBR reactor and an intermediate water tank which are connected with each other by a pipeline as well as a short distance nitration SBR reactor and a back flow water tank that are also connected with each other by the pipeline; wherein the intermediate water tank is connected with the short distance nitration SBR reactor, and the back flow water tank is connected with the anaerobic/anoxic SBR reactor; the anaerobic/anoxic SBR reactor and the short distance nitration SBR reactor are internally provided with stirring devices, and a drain pipe is arranged on the anaerobic/anoxic SBR reactor; the short distance nitration SBR reactor is internally provided with an aerating apparatus; the granular sludge which is processed by acclimatization and has the function of denitrifying dephosphatation is put into the anaerobic/anoxic SBR reactor, and the granular sludge which is processed by acclimatization and has the function of short distance nitration is put into the short distance nitration SBR reactor. The invention solves the problems of unstable effect of nitrogen and phosphorus removal of sewage, high content of effluent suspended matter and lower pass rate, so as to be used for low C/N waste water treatment.

The invention relates to a foundation for air curtain caisson and the construction method, belonging to the bridge foundation construction technology field. Air curtain caisson makes use of pipes pre-buried in caisson wall and air shrine on external wall to apply high-pressure air to peripheral circumstance so that frictional resistance between caisson wall and soil is decreased and the caisson sinks smoothly. The construction method for foundation of air curtain caisson comprises casting caisson in segment and in place, sucking mud and sinking, height addition, air curtain sinking, caisson absorbing mud and sinking, caisson rectification technology, clearing foundation, and closing bottom so on. The invention is suitable for construction of caisson foundation with all kinds of usage, especially sand formation and clayey stratum with certain water content. The construction method for foundation of air curtain caisson can be used on bank and on water. It can not be constrained by water depth.

The invention relates to a device and a method for treatment of domestic sewage with a DPR-MABR coupling reactor, and belongs to the field of wastewater treatment. The device comprises a raw water pool, a reaction pool I, a first intermediate water pool, a reaction pool II, a second intermediate water pool and a PLC (Programmable Logical Controller) control box, wherein two different series-connection systems are switched by virtue of the PLC control box, one of the series-connection system is an I-to-II series-connection system, the raw water pool is connected with the bottom of the reaction pool I by virtue of a water inlet pipe, the reaction pool I is connected with the first intermediate water pool by virtue of an I-to-II water outlet pipe, the first intermediate water pool is connected with the top of the reaction pool II by virtue of an I-to-II second water inlet pipe, and treated water is discharged from an I-to-II final water outlet pipe; the other system is an II-to-I series-connection system, the raw water pool is connected with the top of the reaction pool II by virtue of a water inlet pipe, the reaction pool II is connected with the second intermediate water pool by virtue of an II-to-I water outlet pipe, the second intermediate water pool is connected with the top of the reaction pool I, and treated water is discharged from the water outlet pipe. The device and the method have the advantages of high efficiency, energy conservation, stable nitrogen removal and dephosphorization effect and stable sludge reduction.

A recognition method for the floc form normal position in water relates to a test method of floc. The method solves the disadvantages of unideal representativeness, cracked and overlapped floc, resulting in the obtained characteristics of the floc form to differ greatly from truth value, the calculation results different in thousands ways and indistinct data orderliness during the present floc test procedure of water treatment. The recognition method for the floc form normal position is as follows: the floc form characteristics parameter Beta is calculated by taking pictures, image treatment and calculation, wherein, the smaller the floc form characteristics parameter Beta is, the more close-grained the floc form is and the better flocculation is; the larger the floc form characteristics parameter beta is, the looser the flock is and the worse the flocculation is. The present invention method can not only obtain clear floc images, but also assure the accuracy of the recognition results, furthermore, can carry out the normal test and recognition and exactly formulate the dynamic process of the floc growing, cracking and so on, and therefore as a new effective dynamic recognition technical method the invention can be applied to the practical water treatment processing.

The invention discloses an air supplementing device for a settleable fish culture net cage. The air supplementing device comprises a net cage body and an air supplementing cover, wherein the air supplementing cover is arranged on a center column, the air supplementing cover is in an umbrella shape or a conical hopper shape, and an air cavity for storing air is formed in the air supplementing cover; an air supplementing main pipe is arranged on the air supplementing cover, and the upper end of the air supplementing main pipe is connected with an air pump through a hose; a bait main pipe is arranged on one side of the air supplementing main pipe, and the upper end of the bait main pipe is connected with bait through a hose; and a tray is arranged on the center stand column and arranged at the lower end of the bait main pipe. The air supplementing cover is arranged in the net cage body, the air supplementing main pipe and the bait main pipe are arranged on the air supplementing cover, theupper end of the air supplementing main pipe is connected with the air pump through the hose, and the lower portion of the air supplementing cover is inflated through the air supplementing main pipe,so that air supplementing is performed on a deep sea net cage; and the upper end of the bait main pipe is connected with the bait through the hose, the tray is arranged at the lower end of the bait main pipe and used for supporting the bait, and the bait main pipe is used for accurately feeding the bait into the net cage, so that bait waste is avoided.

The invention discloses an intelligent flexible enclosure device and is suitable for automatic isolation protection of sensitive water areas. The intelligent flexible enclosure device is composed of a hidden type flexible enclosure, a pollution event pre-warning system and an inflation floating body control system. The hidden type flexible enclosure is formed by sewing a continuous strip-shaped inflation floating body, wall cloth and an anchoring device, wherein the continuous strip-shaped inflation floating body is connected with the inflation floating body control system through a gas guiding pipe; the inflation floating body control system comprises an inflation device, a gas storage device, a pressure sensor and a gas control valve, and the pressure sensor monitors pressure of gas in the gas storage device through connection of the gas guiding pipe; and the pollution event pre-warning system comprises an environment sensor and a microcomputer control system which receives signals of the environment sensor and the pressure sensor and transmits a control instruction. The intelligent flexible enclosure device can perform fast pre-warning based on online-detected pollution events of water environment quality and is quick in response.

The invention discloses multifunctional immersion equipment and a construction method thereof. The multifunctional immersion equipment comprises an annular track arranged on the periphery of a vertical shaft construction area, a plurality of stand columns vertically arranged on the annular track, a horizontal annular support arranged above the stand columns, a mud circulation treatment system arranged inside a construction area, a center support vertically arranged in the mud circulation treatment system and an annular suspension platform horizontally arranged on the center support; and a plurality of hoisting devices are arranged on the horizontal annular support, and a hydraulic power cutting device is suspended on the annular suspension platform. According to the multifunctional immersion equipment, installation, hoisting, immersion and other functions of prefabricated pipe sheets are integrated, the automation degree and the economic benefits are achieved, and meanwhile the construction efficiency and quality of an underground construction are improved.

The invention relates to a sewage air flotation scum defoaming machine which comprises a motor, wherein the motor is connected with a rotating rod through a speed reducer and a coupler; the rotating rod is reversely T-shaped; a plurality of fixed vertical shafts are distributed on a transverse rod of the rotating rod; blades capable of rotating around the fixed vertical shafts are arranged on the fixed vertical shafts. The sewage air flotation scum defoaming machine can release air bubbles in scum in a horizontal direction and a vertical direction, so that the bubble breakage speed and the sinking speed of the scum are greatly increased, and the solid and liquid separation time is shortened; under the general condition, bubbles can be broken within 2-10 seconds according to the difference of the thicknesses of scum layers. Furthermore, full coverage for the scum layers is realized, and the scum in a large amount of water can be defoamed.

The invention relates to the technical field of packaging, in particular to a material supplying mechanism. The material supplying mechanism comprises a second transferring unit, wherein the second transferring unit comprises a temporary material storing platform used for temporarily storing materials, and placement boards are arranged on at least one side of the temporary material storing platform; a scraping board capable of pushing the materials out of an upper platform surface and making the materials fall onto the placement boards is arranged on the upper platform surface of the temporarymaterial storing platform; the placement boards can do transverse opening and closing actions to form blanking openings for facilitating blanking, material buffering bins with a receiving function and upward bin openings are arranged under the blanking openings, and bin cavities of the material buffering bins and lower board surfaces of the placement boards match each other to together form accommodating cavities for accommodating the materials; and both ends of each material buffering bin are provided with openings, a first pushing unit which acts on the heads of the materials to jack the materials out of the material buffering bins is arranged in one opening of each material buffering bin, and a corresponding discharging opening of each material buffering bin is formed by the other opening of of each material buffering bin. By means of the structure, a structural support can be provided for orderly entrances of the materials to the next working procedure.

A clamp holder for a pipe screwing machine comprises bases which are separately arranged. Supports are fixed on the bases in the vertical directions through fastening parts; a first supporting plate and a second supporting plate which are separately arranged up and down are arranged between the two supports; fixing plates which are arranged oppositely in an inclined mode are fixed between the first supporting plate and the second supporting plate; diameters of the pair of fixing plates sequentially decrease from top to bottom; the inner sides of the fixing plates are provided with slips; the bottom of the second supporting plate is provided with fixing seats; springs are arranged between the fixing seats and the bottoms of the slips; a top plate is arranged at the top of the first supporting plate through a supporting frame; the middle of the top plate is provided with a clamping hole. According to the clamp holder for the pipe screwing machine, the structure is compact and reasonable; the operation is simple and convenient; the slips can rapidly sink relying on self-weights of the slips and the tension of the springs due to the slips which are arranged in an inclined mode and the springs which are arranged at the bottoms of the slips and accordingly blocking produced in the prior art can be avoided and accordingly the machining effect is good and the working efficiency is high.

The invention discloses a thin-wall steel suction bucket base with reinforcing tubes and a mounting method for the thin-wall steel suction bucket base. The suction bucket base comprises a bucket bodyjet-flow system, wherein the jet-flow system comprises the plurality of reinforcing tubes which are axially arranged at the periphery of the bucket body; water conveying valves are arranged on the tops of the reinforcing tubes for communicating with an external high-pressure water conveying system; and water outlets are formed in the bottoms of the reinforcing tubes. The mounting method comprisesthe following steps: step 1, sinking the suction bucket base under action of dead load; step 2, conveying water into the reinforcing tubes; step 3, correcting errors of the suction bucket base; step 4, sinking under high pressure; step 5, sinking to a specified depth; and step 6, correcting the errors again. The mounting method can be used for directly scattering a bottom soil body, is suitable for the thin-wall steel suction bucket base, increases bucket-end resistance with relatively small extent, and improves strength and buckling resistance of the bucket body through the reinforcing tubes.

The invention provides a cellulose compound water-treatment flocculant and an application method thereof, and relates to a water treatment technology. The water-treatment flocculant is prepared from the following components in parts by mass: 1 to 5 parts of cellulose and 1 to 3 parts of a coagulant, wherein the flocculant is selected from aluminum sulfate, ferric chloride or aluminium polychlorid and the like. The application method comprises the following steps: firstly, adding the flocculant into water and stirring for 30 to 60 seconds under a revolving speed of 300r/min to 500r/min (Revolutions Per Minute); then adding the cellulose and further stirring for 1 minute at the revolving speed of 200r/min to 300r/min; further stirring for 5 minutes at the revolving speed of 100r/min to 200r/min; finally, stirring for 10 minutes at the revolving speed of 50r/min to 100r/min; standing for sedimentation for 15 to 20 minutes after the stopping of stirring. According to the method, the adding amount of the conventional flocculant is reduced; the sedimentation performance of the flocculant body is improved; the treatment cost is lowered; the standing time of a sedimentation basin is shortened; the occupation area of the sedimentation basin is reduced and the like. The cellulose can also be used for removing partial soluble pollutants.

The invention discloses a filtration device at a water outlet of a sluice. The filtration device comprises a suspending plate which is fixedly connected to the top of a case through a connecting plate mounted on the bottom of the suspending plate; a diesel engine is fixedly mounted on the top of the case; a drive tooth disc is arranged on the output shaft of the diesel engine in a sleeved manner; the drive tooth disc is in transmission connection to a driven gear in an inner cavity of the case through a chain which is arranged on the drive tooth disc in the sleeved manner; the driven gear is movably connected to the inner wall of the case through a mounting shaft which is welded on the side surface of the driven gear; the side surface, away from the mounting shaft, of the driven gear is welded with one end of a rolling wheel movably mounted on the inner wall of the case; and the surface of the rolling wheel is fixedly connected to the top end of a filter screen. The filtration device at the water outlet of the sluice disclosed by the invention has the characteristics of being high in extension and retraction speed and clearing impurities in water conveniently, and further has a self-cleaning function, so that the problem that garbage and water plants in existing river drift along the river and are difficult to clear is solved.

The invention provides a reaction kettle based on petroleum engineering. The reaction kettle includes a reaction kettle main body, vertical plates and angle iron; the lower end of the reaction kettlemain body is externally coated with a jacket; four support legs are fixedly installed on the outer wall of the jacket by bolts; the upper end of the reaction kettle main body is fixedly sealed with anupper head through a high-pressure explosion-proof bolt, and the lower end of the reaction kettle main body is fixedly sealed with a lower head consistent with the upper head through a high-pressureexplosion-proof bolt. According to the reaction kettle based on petroleum engineering provided by the invention, through the setting of a detached body, the lower end of a rotating shaft is rotatablyconnected to the hemispherical convex detached body, and the positions of communicating holes just correspond to the positions of the vertical plates, so that heavy substances can move into the lowerhead below the detached body through the communicating holes for discharge, and because of the existence of the detached body, the phenomenon that heavy substances re-enter the material above in the material stirring process can be avoided, and the separation efficiency is improved.

The invention discloses a gas-electric hybrid underwater detector, which is provided with a shell, an electric control system, a driving module, a steering module, a detection module and a gas storage cavity. The electric control system, the driving module, the steering module, the detection module and the gas storage cavity are respectively arranged in the shell, and the electric control system is respectively connected with the driving module, the steering module and the detection module. The gas storage cavity is connected with the steering module; the detection module is used for sensing an underwater obstacle and shooting an underwater environment; the driving module is used for driving the underwater detector to advance; the gas storage cavity is filled with liquid compressed gas, the steering module comprises a plurality of one-way valve channels and a plurality of one-way valves, the electric control system is connected with the one-way valves, each one-way valve channel is correspondingly connected with one one-way valve channel, and the one-way valves are connected with the gas storage cavity. Advancing is realized by utilizing the motor, steering, floating and sinking are realized by utilizing pneumatics, and the maneuvering performance is good during underwater detection.

A drill string tubular component for use in an oil or gas well, in the form of a tubular having a central bore and a mechanism for mobilising drill cuttings comprising at least one radial impeller (30) configured to apply radial thrust cuttings passing it, the radial impeller being located between first and second axial impellers (10, 20) configured to apply axial thrust to the fluids in opposite directions. Typically helical components of the first and second axial impellers extend in respective opposite directions, typically toward the radial impeller. Fluids are thus diverted radially away from the outer surface of the tubular component, and thereby enter a more turbulent region of the annulus, there reducing the tendency of the drill cuttings to settle out of suspension.

A nest material for raft fishing for crucian carp and a preparation method, comprising: component ratio and preparation, the scheme is: component ratio: bran, snail powder, Antarctic shrimp powder, earthworm particles, lobster shell, original pond particle powder, millet, Wei, soybean meal, snowflake powder, vitamins; production: dry and crush the lobster shell for later use, put the bran in a clean pot and sauté until fragrant, and finally mix the above-mentioned raw materials evenly according to the established plan, then pack and seal. The invention is convenient and quick to make, easy to obtain materials, and balanced in nutrition, which not only satisfies the characteristics of crucian carp like fishy and fragrant, but also ensures the atomization performance and sustainability of the nest bait, and enhances the attractiveness. , make the nest material sink faster, filter out the upper meal strips, form a bottom nest, attract crucian carp, millet is the favorite food of crucian carp, but the particles are small, prolong the fish retention time, and achieve the purpose of attracting fish and keeping fish.