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42results about How to "Has a dual function" patented technology

Method and device for generating power through low-temperature waste gas waste in industrial furnace production technology

The invention discloses a method and a device for generating power through low-temperature waste gas waste in the industrial furnace production technology. A heat removal device of a generator set replaces a cooling device in a conventional technology, or the heat removal device is directly placed at an exhaust-gas outlet of an industrial furnace; a circulation loop consisting of an expander, a heat emission device, a high-pressure working medium pump and the heat removal device drives the expander to drive a low-temperature heat binary cycling generator to work for power generation; low-grade waste heat in evacuated waste gas of the industrial furnace is extracted; and absorbed heat is fed into the generator set to be transferred into electrical energy while the waste gas is cooled, and the waste gas which finishes power generation is returned to an original process system or discharged into the air. According to the method and the device for generating power through low-temperature waste gas waste in the industrial furnace production technology, the utilization ratio of the low-grade evacuated waste gas of the industrial furnace is effectively improved, the operation cost of an enterprise is reduced, and the thermal pollution to the environment is reduced.
Owner:SHANXI YITONG ENVIRONMENTAL ENERGY TECH GROUP +1

Double-acting flat gate valve

The invention discloses a double-acting flat gate valve, which comprises a valve body, a parallel gate, a valve stem, a valve cover, a bracket and a valve stem lifting drive mechanism. A runner is arranged in the valve body and opened on the two sides of the valve body; the valve body is provided with a valve seat relative to the runner; the parallel gate is liftably movably arranged in the valve seat; the upper end of the parallel gate is interlocked with a valve stem; the lower part of the parallel gate is provided with a through hole of which the size is matched with that of an inner hole of the valve seat; a filter plate is arranged in the through hole; and a plurality of filter holes are arranged on the filter plate. As the double-acting flat gate valve has double functions, the valve can filter media and can also cut off media.
Owner:FANGYUAN VALVE GROUP

Triaxial free rock-soil dilatometer

The invention discloses a triaxial free rock-soil dilatometer. A telescopic petal mold cylinder is arranged in the middle of a pressure chamber, the outer side of a sample is wrapped with a rubber membrane and connected into the telescopic petal mold cylinder in a sleeved mode, a bottom plate and a bottom permeable stone are sequentially stacked on a base, the bottom of the sample is supported onthe bottom permeable stone, and a top permeable stone and a top plate are sequentially pressed on the top of the sample; the top cover is provided with a top cover valve and connected with a piston through a piston spring, the bottom of the piston is in contact connection with the top plate, the top dial indicator is connected to the top displacement rod in a pressed mode through a top dial indicator support, and the upper portion and the lower portion of the telescopic petal mold barrel are symmetrically sleeved with displacement rings.The bottom of the petal mold cylinder is slidably connected to the base. A bottom plate water passing valve, a top plate water passing valve and a base water passing valve are arranged on the side face of the base and communicated with the bottom plate, thetop plate and the water tank respectively. The triaxial free rock-soil dilatometer is simple in structure, safe and stable, can well protect the sample when the sample is soaked in water and saturated through the telescopic petal mold cylinder, can flexibly adapt to expansion deformation of the sample, and is high in detection efficiency and accuracy.
Owner:NANJING UNIV OF INFORMATION SCI & TECH

Enameled wire coating removal device

The invention relates to an enameled wire coating removal device. The device comprises a positioning device, at least three knife head devices, a motor device and a lever device, where the whole positioning device is in an annular structure, which comprises a positioning ring and a positioning ring sleeve; the positioning ring is of an integral annular structure; the positioning ring sleeve is arranged on the positioning ring in an associated way; the knife head devices are arranged on the positioning ring; the motor device employs an inverter-controlled stepless speed regulating motor accommodated in the space formed by surrounding the handles of the three knife head devices; the lever device comprises at least three levers, and the three levers are uniformly distributed relative to the circumference of the positioning ring, one end of the lever is a working face and is connected to the handle, and the other end is a driving end and connected to a power output end of the motor device. The device provided by the invention has the advantages of simple and reasonable structure design, convenience in use, high coating removal precision and efficiency, safety in use and no harm to the environment, and can implement the work of removing the enameled wire coating in large quantities with a convenient practical application.
Owner:陕西烽火诺信科技有限公司

Movable sound equipment support

The invention discloses a movable sound equipment support. The movable sound equipment comprises a clamping assembly, a supporting leg, an arm 1, an arm 2, a vertical rod, and four adjusting legs. The axes of three adjusting legs vertical to the vertical rod are connected together in a screwed manner, and the axis of one adjusting leg is coaxial to the axis of the vertical rod, and the adjusting leg is connected with the lowest end of the vertical rod in a screwed manner. The upper part of the vertical rod is connected with a joint 1 in a screwed manner, and is connected with the scale plate 1 of the arm 2, and the arm 2 is fixed by the scale plate 1, which is fixed by a lock pin 1. The axis of the other end of the arm 2 is coaxially connected with a scale plate 2 in a screwed manner, and is connected with the joint 2 of the arm 1 by a pin 2, and the end of the pin 2 is provided with a cotter pin 1. The joint 2 is connected with the connecting rod of the arm 1 in a screwed manner. The other end of the arm 1 is connected with a scale plate 3 in a screwed manner, and a pin 3 is connected with the joint 3 of the clamping assembly, and the fixing and the adjusting of the clamping assembly can be realized by adjusting the joint 3 of the clamping assembly by the lock pin 3. The movable sound equipment support is advantageous in that the structure is simple, the production cost is low, the movable sound equipment support can be consumed by most of the people, and is suitable for being popularized and used.
Owner:SHAANXI UNIV OF TECH

Difunctional 3p-siRNA inhibiting hepatitis B viruses, and application thereof

The invention relates to a synthesis method of difunctional 5'-ppp-siRNA (3p-siRNA) for efficiently and specifically inhibiting the replication of hepatitis B viruses (HBVs), and an application of the 3p-siRNA. The 3p-siRNA specifically inhibit the HBV target gene expression through an RNAi mechanism, activates the host interferon expression through an RIG-I dependence mechanism, has an antivirus effect through antiviral natural immunoreactions, and is difunctional anti-HBV novel 3p-siRNA simultaneously having the effects of RNAi and the activation of the host antiviral natural immunoreactions; and the 3p-siRNA has a small toxicity, can efficiently activate the RIG-I mediated host natural antiviral interferon (IFN) expression, can substantially inhibit the HBeAg and HBsAg secretion and the DNA replication of the HBVs, and has an obvious dosage dependency. The anti-HBV difunctional 3p-siRNA is prepared through adopting an in-vitro transcription method and an artificial chemical synthesis method, and can be used for the researches and exploitation of novel HBV medicines. The difunctional 3p-siRNA can be used for the researches and exploitation of other important human viral and bacterial nucleic acid novel medicines.
Owner:INST OF RADIATION MEDICINE ACAD OF MILITARY MEDICAL SCI OF THE PLA

Rapid transfer system for unit load devices at logistics node station and method

The invention discloses a rapid transfer system for unit load devices at a logistics node station. The rapid transfer system comprises an elevated cargo platform, underlying platforms, a yard crane, docking loaders and lifting devices, the underlying platforms are arranged below the elevated cargo platform, a plurality of through holes are formed in the elevated cargo platform, and each through hole is used as a transfer channel; the docking loaders are arranged on the underlying platforms correspondingly; the yard crane is arranged on the elevated cargo platform; the lifting devices are installed on the yard crane or the docking loaders, and used for transferring the unit load devices on the docking loaders to the yard crane. According to the rapid transfer system for the unit load devices at the logistics node station, through cooperation of the yard crane, the docking loaders, the elevated cargo platform and the transfer channels, the unit load devices can be flexibly transferred between high-speed rails on the same underlying platform side and the different underlying platform sides, the unit load devices can be transferred through the elevated cargo platform and the underlyingplatforms simultaneously, plane and stereo transfer of the unit load devices is realized, and the transfer efficiency of the unit load devices is improved.
Owner:CHINA RAILWAY SIYUAN SURVEY & DESIGN GRP

Preparation method for RuCu2O photo-thermal healing-promoting band-aid

The invention relates to a preparation method for a RuCu2O photo-thermal healing-promoting band-aid. The preparation method specifically comprises the following steps: sequentially adding a TEG solution of RuCl3.xH2O, a TEG solution of PVP and a TEG solution of CTAB; then adding TEG until the total volume of a reaction solution is 8 mL, and carrying out full stirring so as to obtain a wine red transparent liquid; carrying out heating under stirring at 170 DEG C until the color of the solution is changed from wine red to dark green and then to light yellow so as to finally obtain a brownish black transparent colloidal solution; subjecting the prepared Ru colloidal solution to standing for a long time until no precipitate is generated, changing the addition amount of the CTAB so as to be able to obtain different Ru nanoparticles, treating the Ru colloidal solution with acetone so as to obtain Ru nanoparticle precipitates, and re-dispersing the Ru nanoparticle precipitates with ethyl alcohol for subsequent usage; then adding an Ru colloid into a mixed solution of PVP and Cu(NO3)2; and pasting the prepared RuCu2O onto the inner layer of a band-aid so as to obtain the RuCu2O photo-thermal healing-promoting band-aid. The band-aid provided by the invention can effectively remove bacteria at the position of a trauma under near-infrared irradiation, can promote wound healing through copper ions, and provides a novel method for trauma treatment.
Owner:TIANJIN UNIV

Urban underground utility tunnel system capable of carrying out safety protection by nitrogen

The invention discloses an urban underground utility tunnel system capable of carrying out safety protection by nitrogen. The system comprises a nitrogen supply device (10), a nitrogen conveying pipeline (20) and an underground utility tunnel (30), wherein the nitrogen supply device (10), the nitrogen conveying pipeline (20) and the underground utility tunnel (30) are connected in sequence; the nitrogen conveying pipeline (20) is provided with a nitrogen control valve; and the nitrogen conveying pipeline (20) can convey nitrogen in the nitrogen supply device (10) into the underground utility tunnel (30). The urban underground utility tunnel system capable of carrying out the safety protection by the nitrogen simultaneously has two functions of electric cabin fire extinguishment and naturalgas cabin explosion suppression. Compared with a hot aerosol and superfine dry powder fire extinguishment system, the system disclosed by the invention has the advantages that investment is low and fire extinguishing agents can be permanently stored, do not lose efficacy and do not need to be replaced. Compared with a CO2 fire extinguishment system, the system disclosed by the invention has the advantages of low investment and high safety for people and has an extremely good prospect.
Owner:CERI ENERGY & AIR PROTECTION TECH CO LTD +1
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