49results about How to "Does not increase stress" patented technology

The invention relates to the field of urban rainwater treatment systems, in particular to a separate system pipe network based area fragmented rainwater abandoned flow treatment system. An area internally comprises a sewage header pipe, rainwater branch pipes and sewage branch pipes; the discharging ends of the sewage branch pipes are communicated with the sewage header pipe, the area is divided into a plurality of segments in a grid shape, and the area of each fragment is 0.2-4 square kilometers; each fragment is internally provided with a sewage branch pipe, a rainwater branch pipe and one or more abandoned flow wells; each abandoned flow well comprises a well body, each well body is provided with a water inlet pipe communicated with the discharging end of the corresponding rainwater branch pipe, a water outlet pipe communicated with natural water and an abandoned flow pipe communicated with the sewage header pipe. The separate system pipe network based area fragmented rainwater abandoned flow treatment system is simple in structure, the problem of delay in the long-distance conveying process of initial rainwater in the prior art is solved through the independent abandoned flow wells in the fragments, the treatment pressure of a sewage treatment plant is relieved, the situation that initial rainwater pollutes natural water is further avoided, and discharging treatment of rainwater is more reasonable and effective.

The invention provides a ball screw type eddy current damper with a negative-stiffness nonlinear energy trap. The ball screw type eddy current damper comprises an outer frame, a vertically-arranged guide rod, a supporting frame, a mass block, a spring, an alternate permanent magnet set, a conductor plate and an iron plate, wherein a set gap is reserved between the alternate permanent magnet set and the conductor plate. The damper further comprises a vertically-arranged ball screw, a nut, a flywheel and a thrust bearing. The damper further comprises a homonymous permanent magnet set and/ or a synonymous permanent magnet set which can generate the negative-stiffness nonlinear energy trap effect. When vibration energy of a controlled structure is transmitted to the damper, the mass block is caused to vibrate up and down, the homonymous permanent magnet set and/or the synonymous permanent magnet set capture/ captures resonance energy within a wide frequency range, the ball screw drives theflywheel to rotate at a high speed to generate the inertia mass effect, the conductor plate cuts magnetic induction lines of the alternate permanent magnet set, and the eddy current damping effect isformed; and back iron can reduce magnetic flux leakage and improve the damping energy consumption efficiency.

A closure element with at least one vent opening is a sealing plug that has a pin-shaped lower part with an underside. The at least one vent opening is formed by a duct in the sealing plug which, starting at an inlet opening into the duct, extends upwards from the underside of the pin-shaped lower part in the interior of the sealing plug and leads out of the sealing plug through a lateral outlet opening. The invention also discloses a container with the closure element. A method is also disclosed for the complete and bubble-free filling of a container with a closure element and to the use of afilled container provided with a closure.

The invention discloses a hybrid CDN unified source station automatic refreshing method. The method comprises the following steps: setting a configuration rule corresponding to specific operation information of a file system in an operation system; Carrying out real-time monitoring on the source station file by calling a system Inotify interface, and obtaining specific operation information and acomplete path of the changed file; After the specific operation information is identified, according to the set configuration rule and the complete path of the variable file, matching a correspondingrefresh interface program to generate a task, and issuing the task to a task queue; Reading the task queue, and executing the task instruction; The invention also discloses a hybrid CDN unified sourcestation automatic refreshing system. Monitoring of files on a source station server is achieved through program logic, study and judgment are conducted according to the deployment path of the changedfiles, the corresponding acceleration domain names, rules and DNSresolve, corresponding actions are obtained through accurate matching, then automatic execution is conducted through a task module, manual intervention is not needed, and rapidness and accuracy are achieved.

The invention discloses an environment-friendly thermal-insulation external wall paint prepared from wastes. The invention is characterized in that the paint is prepared from the following raw materials in parts by weight: 8-11 parts of polyacrylate emulsion, 3.5-4.5 parts of polyacrylamide, 1-2 parts of sulfonated oil, 2-3 parts of hydroxyethyl cellulose, 10-13 parts of expanded vermiculite powder, 3-5 parts of microporous calcium silicate, 3-5 parts of hollow microbead, 4-5 parts of rice hull, 5-7 parts of field weed, 2.5-4 parts of bean protein adhesive, 6-8 parts of modified round-grain mortar and 25-30 parts of water. The rice hull, field weed and other wastes are changed into valuable substances by special treatment, thereby increasing the toughness of the paint film. By matching the microporous calcium silicate and other components, the paint has favorable thermal-insulation effect. The added modified round-grain mortar has the advantages of light weight and favorable dispersity, increases the brightness, viscosity and strength of the paint, can not easily shed, and can not increase the pressure of the buildings. The produced paint is simple for construction, and has the advantages of high covering power, wide application range, elegant appearance and high practicality.

The invention discloses a waterproof adsorbing anti-crack water-based paint for external walls. The paint is characterized by being prepared from the following raw materials in parts by weight: 23-26 parts of silicone acrylic emulsion, 12-14 parts of PVDC latex, 2-3 parts of sodium silicate, 3.5-4.5 parts of lignocellulose, 3-5 parts of polyvinyl alcohol superfines, 1.5-2.5 parts of sodium sulfite, 0.5-0.7 part of calcium stearate, 7-10 parts of bamboo charcoal, 15-18 parts of coarse whiting, 6-8 parts of modified rounded-grain mortar, and 25-30 parts of water. The paint disclosed by the invention adopts a waterproof emulsion formula, and waterproof agents of the calcium stearate and the like are cooperated, so that the waterproof effect is super high; the bamboo charcoal is added, so that dust particles in air can be adsorbed, and the air pollution can be relieved; the lignocellulose is added, so that the anti-crack capacity is enhanced, and the adsorbing capacity of a paint film is improved; modified rounded-grain mortar is added, so that the dispersal effect is good, the hardness is high, the abrasion resistance is good, the pressure of buildings cannot be increased, the paint is elegant in appearance, and different decoration demands can be satisfied.

The invention relates to a magnetic lead screw type eddy current damper with a negative stiffness nonlinear energy trap. The magnetic lead screw type eddy current damper comprises a spring mass system, an inertia mass system, an eddy current damping system, a negative stiffness system and a supporting system. The spring mass system comprises a spring and a balancing weight, the inertia mass systemcomprises a flywheel, a magnetic lead screw nut pair and a magnetic suspension thrust bearing, the eddy current damping system comprises a straight permanent magnet, a conductor plate and back iron,the supporting system comprises a guide rod, a supporting bracket and an outer frame, and the negative stiffness system comprises a synonym permanent magnet group and/or a homonymous permanent magnetgroup. According to the damper, the inerter principle is introduced, physical balance weight is reduced, the mass ratio of the device is increased, and meanwhile the spring net elongation of a low-frequency structure controlled by the device is reduced. The negative stiffness nonlinear energy trap element is introduced, and resonance energy can be captured in a wide frequency range. By adopting the magnetic lead screw nut pair, the friction between a lead screw and a nut is eliminated, and the working efficiency is improved. Meanwhile, the magnetic suspension thrust bearing is used cooperatively to ensure that the flywheel is suspended in a flywheel chamber to work normally.

The invention discloses a sterilizing, anti-algae and anti-aging water-based exterior wall coating. The coating is characterized in that the coating is prepared from the following raw materials in parts by weight: 20 to 23 parts of butadiene styrene rubber latex, 13 to 15 parts of n-butyl acrylate, 1.5 to 2.5 parts of paraffin, 0.3 to 0.5 part of methylrosanilinium chloride, 6 to 8 parts of calcium silicate hydrate powder, 0.2 to 0.4 part of ammonium persulfate, 2 to 3 parts of starch phosphate, 4 to 6 parts of zinc oxide, 10 to 13 parts of talcum powder, 1 to 2 parts of an antioxidant (DSTP, distearyl thiodipropionate), 6 to 8 parts of modified rounded mortar, and 25 to 30 parts of water. The invention has the advantages that the methylrosanilinium chloride is added into the coating as an antibacterial agent, so as to achieve good sterilizing and anti-algae effects; the modified rounded mortar is added, so as to achieve good dispersing effect, high hardness and abrasive resistance, as well as an elegant appearance, avoid increasing pressure on a building, and satisfy different decoration requirements; the exterior wall coating has high weather resistance, aging resistance and scrubbing resistance, as well as a large adhesive force, can be directly constructed during the exterior wall construction, and achieves remarkable covering effect.

The invention discloses a method for using a flowing gaseous derivatization reagent on an online derivatization. The method comprises the following steps: forming a liquid derivatization reagent intoa gaseous state by heating and gas flow purging; transporting into a sample cell; immediately derivatizing with a gaseous polar target in the sample cell; and absorbing the derivatized product after the derivatization by an absorption liquid. The method is suitable for the derivatization of gaseous polar compounds, the derivatives satisfy the gas chromatographic analysis and belongs to the field of sample preparation. The method has the advantages of simple, online, automatic, solvent-free, rapid derivatization reaction, improving the analytical performance of polar compounds, and direct application to the gas chromatographic analysis.

The invention discloses a high-temperature flue gas quenching method. The high-temperature flue gas quenching method comprises the following steps that 1, flue gas is guided; 2, liquid metal is primarily dispersed; 3, secondary dispersion is carried out on the liquid metal, 4, the liquid metal is recycled; and 5, the flue gas is discharged. The high-temperature flue gas quenching method can guarantee the normal temperature of a high-temperature flue gas quenching experiment.

The invention discloses a chemical industry wastewater discharge pipe. The chemical industry wastewater discharge pipe comprises a reaction tube and a filter tube, wherein a liquid storage box is arranged at the upper middle end of the reaction tube; a spray header is arranged at the upper end of the inner surface of the reaction tube; a conveying tube is arranged above the interior of the reaction tube; the liquid storage box and the spray header are respectively connected with the two ends of the conveying tube; the spray header inside the reaction tube sprays liquid stored in the liquid storage box into wastewater, so as to react the liquid with chemical components in the wastewater to form solids; the solids are filtered in the filter tube in a first filtering screen and a second filtering screen, so that impurities and chemical components in the wastewater can be sufficiently filtered, water in the wastewater discharge pipe can be directly discharged into rivers, pressure and load of workers cannot be increased, and the chemical industry wastewater discharge pipe can further be widely applied and acknowledged in the market.

The invention relates to the technical field of water purification equipment, and particularly relates to a waste water valve control method and device, water purification equipment and a storage medium. The control method of the waste water valve comprises the following steps: acquiring actual water quality information; determining the number of opened waste water holes and/or the overflowing area of the waste water holes according to the actual water quality information; and enabling the corresponding waste water holes to be opened according to the opening number and/or the overflowing area so as to adjust a waste water ratio. The opening number of the waste water holes and/or the overflowing area of the waste water holes are determined according to the actual water quality information, opening of the corresponding waste water holes is controlled according to the opening number of the waste water holes and/or the overflowing area of the waste water holes, then the waste water ratio is adjusted, different waste water ratios are achieved, and the method can adapt to water quality differences of different areas; and a RO membrane can reach a normal service life in areas with poor water quality, and the utilization rate of pure water can be improved in the areas with good water quality.