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119results about How to "Improve compliance rate" patented technology

Novel method for feeding egg newborn chick with high efficiency

InactiveCN101642077AMake up for the shortcoming of "physiological stage feeding method"Improve uniformityFood processingAnimal feeding stuffBreeding chickenMortality rate
The invention discloses a method for feeding an egg newborn chick with high efficiency in the field of agricultural pasturage breeding. The method takes a mode that body type indexes reach the standard as a standard and finds out the body type indexes that the determining degree of the brooding period of layers to the laying performance is maximum. The breeding process comprises the following steps: a preventive medicine of one treatment course is added in the feed of 3-5 days before 20 ages in days in the 7-11 ages in days of a newborn chick; within 1-2 days before and after immunization of each time, a stress-resisting additive is added into the drinking water of the newborn chick; the nutritional level of rations of 0-3 ages in week or 0-4 ages in week is higher than that of rations atthe later period of brooding; the newborn chick is fed with a feed to 8 ages in week; and after 8 weeks, the feed is replaced by rations for raising grown chickens. Compared with a conventional breeding method, the method enhances the standard reaching rates of the body weight and the shank length of the newborn chick with 8 ages in week by 12.4% and 9.3% respectively, enhances the uniformity of chick colonies by 8.4%, enhances the egg yield by 7.2%, lowers the mortality rate of the laying period by 4.3% and enhances the benefit of breeding chickens by 18.7%; and the input-output ratio averagely reaches 1:8.1.
Owner:NORTHWEST A & F UNIV

Flexible printed circuit board steel disc reinforcing hot-pressing making process

The invention discloses a flexible printed circuit board steel disc reinforcing hot-pressing making process, including that pure glue is firstly adhered on the steel disc reinforcing position of the flexible printed circuit board and then steel disc is adhered, lamination curing is carried out to complete steel disc reinforcing, and the steel disc is fixed by steel disc adhesion jig. The invention adopts electric iron to preheat the steel disc firstly, so that certain stickiness is kept between the steel disc and the flexible printed circuit board and the steel disc can not drop in the process that the flexible printed circuit board is taken out and transferred; and the pure glue used for adhering the flexible printed circuit board and reinforcing the steel disc in steel disc hot-pressing process is thermosetting glue, namely glue system capable of being molten and cohered under heating condition and can be cured after curing at certain temperature for a while, so that the steel disc is firmly adhered on the flexible printed circuit board and can not drop in post making processes. The invention has simple making process and strong feasibility, can thoroughly avoid steel disc dropping and deviation problems and has wide applicability and higher production efficiency.
Owner:XIAMEN HONGXIN ELECTRON TECH

Emergency control method for sewage treatment system for treating abnormal influent/effluent quality

The invention relates to an emergency control method for a sewage treatment system for treating abnormal influent/effluent quality. The emergency control method comprises the steps of firstly, judging weather a sewage treatment plant is impacted by abnormal influent; secondly, judging weather an effluent quality index belongs to abnormal effluent; if detecting to find abnormal influent within a certain period of time, regulating an operation condition according to different exceeding conditions; if detecting to find abnormal effluent within a certain period of time, starting up emergency agent addition to improve the treatment effect in time. The method is realized according to the overall regulation thinking that the impact of influent impact to the sewage treatment system is reduced through regulating process control parameters when abnormal influent of a sewage plant appears, and the system function is restored in time through adding an emergency agent when abnormal influent of the sewage plant appears; in addition, the real-time control for front feed and back feed is realized by sufficiently utilizing online monitored data. The method is low in investment and capable of effectively handling the influent impact load, rapidly improving and restoring a system treatment effect, exerting the treatment capability of a sewage treatment facility to the maximum extent and increasing the rate of reaching the standard.
Owner:SHANDONG ACAD OF ENVIRONMENTAL SCI

Intelligent control system for sewage treatment plant key process parameters and control method of intelligent control system

The invention relates to an intelligent control system for sewage treatment plant key process parameters. Biological tanks are connected with water amount regulation sluice valves respectively, aeration control valves are arranged between an air blower and the biological tanks and between an aeration pipeline and the biological tanks, a secondary sedimentation tank is connected with the biological tanks through sludge reflow control valves, regulation and control factor online data acquisition instrument terminals of the biological tanks, the secondary sedimentation tank, a flocculating sedimentation tank and a disinfection tank are connected with a central PLC, the central PLC is connected with an execution mechanism, and the execution mechanism is connected with the central PLC through a regulation and control period timer. The control method includes the steps that different weights and periods are distributed according to the characteristics of various regulation and control factors and the influence degrees of the regulation and control factors on control values, and periodic step regulation is carried out. The intelligent control system for the sewage treatment plant key process parameters and the control method of the intelligent control system have the advantage that the adaptability to process changes and regulation and control timeliness are improved. A large amount of theoretical calculation is omitted in the regulation and control mode of the system, so that the requirements for the accuracy and completeness of on-line meters are greatly lowered, and the running stability of the system is greatly improved on the basis of existing hardware.
Owner:张芳

Continuous multistage grinding and dispersing machine for graphene preparation

The invention relates to a continuous multistage grinding and dispersing machine for graphene preparation. The grinding and dispersing machine comprises a shell, a primary grinding mechanism, a secondary grinding mechanism and a material conveying mechanism, wherein the upper end of the inner part of the shell is provided with the primary grinding mechanism, the lower end of the inner part of theshell is provided with the secondary grinding mechanism, the material conveying mechanism is arranged between the primary grinding mechanism and the secondary grinding mechanism, through holes are uniformly formed in the outer wall of the shell in the circumferential direction of the shell, the primary grinding mechanism comprises a primary motor, a rotating grinding disc, a fixed grinding disc, aconnecting ring and a guide ring, the secondary grinding mechanism comprises an upper grinding disc, a lower grinding disc, a driven gear, a driving gear and a driving motor, the material conveying mechanism comprises a material containing tray, a screening branched chain, a material conveying pipe and a material guiding ring. According to the grinding and dispersing machine, the graphene is ground in a multi-stage grinding mode, and the sizes of graphene which meet the standard and do not meet the standard can be separated in advance before the subsequent grinding stage, so that the purposeof improving the subsequent grinding efficiency and the grinding quality is achieved.
Owner:上海焱丰科技有限公司

Construction full-period concrete arch dam temperature control curve model

The invention discloses a construction full-period concrete arch dam temperature control curve model. The concrete arch dam temperature control curve model comprises four continuous stages, wherein the four stages are respectively (1) a heating period, from a machine outlet of the concrete mixing plant to the highest temperature after warehousing and pouring; (2) a cooling period, from the highesttemperature to the arch sealing temperature designed by the arch dam, wherein a whole-course continuous smooth cooling scheme is adopted in the period; (3) a temperature control period, from reachingthe sealing temperature to the end of the heat exchange; and (4) a rising period, from the end of water passing heat exchange to the completion of overall construction of the arch dam, wherein a mainmonitoring index is temperature rising. The construction full-period concrete arch dam temperature control curve model provided by the invention is applied to construction of large-volume medium andlow-heat concrete arch dams; and in combination with an intelligent water passing temperature control system, the highest temperature of the concrete arch dam in the whole construction period can be controlled, the temperature control process is adjustable, temperature control measures can be optimized, the space-time temperature gradient of concrete is effectively reduced, and the cracking risk of a dam is reduced.
Owner:TSINGHUA UNIV +1

High-effective organic waste gas recovery processing method and complete equipment

The invention relates to a high-effective organic waste gas recovery processing method and complete equipment. The complete equipment includes: an organic waste gas collection apparatus, a gas storage tank, a buffer tank, a primary membrane unit, an active carbon adsorption unit, a vacuum pump, a gas-liquid separation tank, a compression condensing unit, a secondary membrane unit, a low temperature catalytic oxidizing reactor, and a tubular heat exchanger. Through the two-stage membrane as a core technology, advantages that a membrane process is high in efficient, is continuous, has high recover rate and high safety and is suitable for high-concentration organic waste gas are achieved, thus recovering the recoverable components in the waste gas; in addition, with the low temperature catalytic oxidization technology, an advantage of deep processing thereof is achieved, so that a problem of accumulation of light-hydrocarbon substances is overcome. The processing method and complete equipment not only high-effectively recover valuable organic substances, but also can perform deep processing to the organic waste gas with satisfaction of strict requirements on safety production in petrochemical enterprises. Through the deep processing to the organic waste gas, discharged organic waste gas can reach national emission standards.
Owner:CHINA PETROLEUM & CHEM CORP +1

Bearing buffer unit for motor

InactiveCN102097884AIncreased resistance to cushioningImprove compliance rateSupports/enclosures/casingsMechanical engineeringStator
The invention provides a bearing buffer unit for a motor, comprising motor spindles, wherein the motor spindles pass through the centers of a stator core and a rotor core, and are respectively fixed in the upper end cap and the lower end cap of a motor by an upper bearing device and a lower bearing device; the upper bearing device comprises upper end cap bearings which are fixed at the spindles; the upper end cap bearings are arranged in a concave platform of the upper end cap of the motor; the upper end cap bearings in the concave platform are respectively provided with an upper bearing elastic element in a radial direction; each upper bearing elastic element is provided with an upper sealing cover plate in an axial direction; the lower bearing device comprises lower end cap bearings which are fixed at the spindles; the lower end cap bearings are arranged in an inner concave platform of the lower end cap of the motor; each lower end cap bearing in the inner concave platform is provided with a lower bearing elastic element in a radial direction; and lower sealing cover plates are arranged in an outer concave platform of the lower end cap of the motor. The above technical scheme isused to overcome the defects that bearings for an existing motor are easily extruded mutually and damaged at the joints of the spindles and the end caps due to high-speed running, heat emission, parking, cooling, deformation and the like, the tail ends of the spindles of the motor are exposed and the like. The bearing buffer unit is used for controlling motors in different freezing operating rooms.
Owner:胡磊

Metal mold production technology capable of conveniently quickening cooling setting

InactiveCN107790687AAccelerated Cooling of the MoldImprove work efficiencySmall holeMetal mold
The invention provides a metal mold production process which is convenient for accelerating cooling and shaping, and relates to the field of mold equipment. The metal mould, the mold body includes an upper mold and a lower mold, both ends of the lower mold are provided with fixing holes, the bottom of the lower mold is provided with a fixing plate, one end of the fixing plate is provided with a fixing bar, and the fixing bar is provided with a fixing screw , the fixed plate is provided with the first heat dissipation rib, the top of the lower mold is provided with an inner cavity, both sides of the inner cavity are provided with small fixing holes, the inside of the lower mold is provided with a cooling device, and one end of the cooling device is provided with a liquid inlet hole and a liquid outlet hole, the other end of the cooling device is provided with a gas-liquid separation chamber, and one end of the liquid inlet hole and the liquid outlet hole is provided with a liquid storage chamber. The metal mold is externally connected to the condenser through the liquid outlet hole and the liquid inlet hole, the cooling liquid enters the liquid storage cavity, and the cooling liquid is circulated in the liquid return pipe and the condensation pipe in the lower mold by the rising pipe, so as to accelerate the cooling of the mold The purpose is to facilitate the rapid shaping of the mold and to speed up the work efficiency.
Owner:屠雪丰

Method for determining total output of hydrogen sulfide in oil well

The invention belongs to the technical field of safety production and environmental protection, and particularly relates to a method for determining total output of hydrogen sulfide in an oil well, and the method specifically comprises the following steps of determining the content of gas phase hydrogen sulfide in the test oil well; determining the content of aqueous phase hydrogen sulfide in thetest oil well; determining the content of hydrogen sulfide in the oil phase; determining the output of the gas phase hydrogen sulfide; determining the output of the aqueous phase hydrogen sulfide; determining the output of the oil phase hydrogen sulfide; and determining the total output of hydrogen sulfide in the test oil well. The method provided by the invention, by not only considering gas phase hydrogen sulfide, but also considering aqueous phase and oil phase hydrogen sulfide, more accurately reflects the actual situation of the total amount of hydrogen sulfide in the oil well to providea reliable basis for the source treatment of hydrogen sulfide of the oil well, shortens the treatment cycle of hydrogen sulfide compliance by more than 60% and increases the compliance rate of hydrogen sulfide dosing treatment in the oil well to reduce hidden safety hazards, and effectively reduces the amount of dosing to save the cost of dosing by 30%.
Owner:CHINA PETROLEUM & CHEM CORP +1

UV sterilizing device under alternating magnetic field environment

A UV sterilizing device under an alternating magnetic field environment comprises an outer cylinder, an inner cylinder, winding coils, and an alternating power supply. A UV lamp is arranged in the inner cylinder. The UV lamp is fixed on the bottom of the inner cylinder through a lamp holder. The upper part of the inner cylinder is provided with an inner cylinder flange cover. The winding coils are winded around the outer surface of the inner cylinder. The inner cylinder is arranged in the outer cylinder. The upper part of the outer cylinder is provided with an outer cylinder flange cover. The upper part of the outer cylinder flange cover is provided with the alternating power supply. The alternating power supply is connected to the UV lamp and the winding coils. The bottom center and top center of the outer cylinder are both provided with a cylindrical support. Pipelines on two sides of the inner cylinder are welded on the lateral surface of the outer cylinder. Two ends of the pipeline that connects the inner cylinder are provided with a connection flange and a bolt hole. The UV sterilizing device is more economic, safer, and more stable, does not have any side effect, and does not generate secondary pollution to the environment. The winding coils are directly winded around the inner cylinder, the installation is convenient and quick, the sterilization efficiency is high and can reach more than 99%, and the qualified rate of water quality of reinjection water is greatly increased.
Owner:LIAONING UNIVERSITY OF PETROLEUM AND CHEMICAL TECHNOLOGY
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