7results about How to "Easy recycling" patented technology

The invention relates to a device and a method for eluting, purifying and recovering oversized DNA (deoxyribonucleic acid) based on pulsed field gel electrophoresis, which are used for efficiently recovering complete DNA molecules from hundred kb level to Mb level. The device comprises an electrophoresis protection chamber with a polygonal container structure and a sample recovery chamber, the side edge of the protection chamber is provided with a semi-permeable membrane for current to pass through, and the recovery chamber is detachably placed in the center and comprises the semi-permeable membrane; the detachable and replaceable magnesium sheet is arranged in the protection chamber and is used for ionizing magnesium ions to promote DNA (Deoxyribose Nucleic Acid) compression; the method comprises the following steps: preparing a biological sample into an agarose gel block, cracking and cleaning the agarose gel block, placing the agarose gel block in a device, and adding a recovery protection solution containing PEG; under the condition of pulsed field gel electrophoresis, DNA migrates out of a gel block and is combined with magnesium ions to be compressed into spheres, and the spheres are collected in a recovery chamber after charges are neutralized. Compared with the prior art, the method provided by the invention overcomes the defects of low product purity and tedious steps of a traditional recovery method, realizes high-purity and high-efficiency integrated recovery, and is suitable for genomics research and biotechnology application.

The utility model belongs to the technical field of activated carbon pickling, and discloses an activated carbon pickling device which comprises a processing table, a pickling mechanism is installed on the surface of the processing table, a waste water filtering assembly is installed on the surface of the processing table and comprises filtering plates, and the filtering plates are symmetrically installed on the bottom face of the processing table. The surface of the filter plate is provided with an inclined surface filter groove, the surface of the inclined surface filter groove is provided with an inclined scraping plate, the surface of the inclined scraping plate is provided with an adjusting plate, the surface of the filter plate is provided with a sliding groove matched with the adjusting plate, and the adjusting plate and the filter plate are in sliding connection through the sliding groove; the surface of the adjusting plate is provided with a sleeve rod, the inside of the sleeve rod is slidably connected with a supporting rod, and the device has the advantages that fine activated carbon impurities in waste water can be filtered, and the situation that the fine activated carbon impurities are discharged along with the waste water, and consequently the waste of activated carbon raw materials is caused is avoided.

The utility model relates to the technical field of cleaning and protecting tools, in particular to a sleeving type cleaning device for a nasal cavity. The sleeved type cleaning device for the nasal cavity comprises a bottle body and a bottle cap, the bottle body is divided into an outer bottle body used for containing cleaning liquid and an inner bottle body used for collecting waste liquid obtained after cleaning, the outer bottle body and the inner bottle body are coaxially arranged in a sleeved mode, and the bottle cap is arranged at the top of the bottle body and can be tightly connected with the outer bottle body and the inner bottle body at the same time; the center of the upper part of the bottle cap protrudes outwards to form a washing head, the upper end of the washing head is provided with a water outlet hole communicated with the outer bottle, and a water return hole communicated with the inner bottle and having a height difference with the water outlet hole is formed around the water outlet hole; according to the sleeving type cleaning device, the outer bottle and the inner bottle are coaxially arranged in the sleeving mode, so that cleaning liquid in the outer bottle can be sprayed to the nasal cavity through the water outlet holes in the cleaning head, waste liquid generated after cleaning in the nasal cavity can be recycled to the inner bottle through the water return holes in the cleaning head, and convenient cleaning and waste liquid recycling operation of the nasal cavity is achieved.

This invention discloses an autonomous underwater vehicle (AUV) recovery device, comprising a main hull, a multi-section recovery assembly, a wheel-type storage assembly, a side storage assembly, and a propulsion assembly. The multi-section recovery assembly performs initial attitude correction on the AUV to be recovered and guides the AUV to the wheel-type storage assembly. The wheel-type storage assembly performs initial storage of the AUV and transfers the initially stored AUV to the side storage assembly. By incorporating the multi-section recovery assembly, wheel-type storage assembly, and side storage assembly within the main hull, the device performs initial attitude correction, initial storage, and transfer of the underwater AUV, thereby achieving autonomous recovery of the AUV. Therefore, this autonomous recovery device is adaptable to different types of AUVs and underwater environments, has a wide range of applications, and can recover a large number of AUVs.

The invention relates to the technical field of hexafluoropropylene rectification post-treatment, and discloses a method for recovering fluoroether from hexafluoropropylene rectification raffinate, and the method comprises the following steps: S1, mixing hexafluoropropylene rectification raffinate with alcohol, and carrying out reactive rectification to obtain a fluoroether-containing mixture and reactive rectification mixed gas; s2, carrying out first rectification on the fluorine-containing ether mixture to obtain a fluorine ether-alcohol azeotrope; and S3, extracting the fluoroether-alcohol azeotrope to obtain a fluoroether crude product, and carrying out second rectification on the fluoroether crude product. According to the present invention, the reaction rectification technology is adopted to reinforce the etherification reaction of the hexafluoropropylene rectification residual liquid and the alcohol, and the reaction product is timely separated during the chemical reaction, such that the reaction conversion rate is substantially improved, the reaction heat is efficiently utilized, and the conversion rate of the highly toxic octafluoroisobutene and the fluoroether yield are significantly increased. Reactive rectification, first rectification, extraction and second rectification are effectively integrated, and a fluoroether product with the purity being larger than 99% is obtained.

The utility model discloses an underground oil pipe recoverable leakage detection device, which comprises a leakage detection seat assembly and a leakage detection rod assembly, the leakage detection seat assembly and an underground oil pipe are installed together, the leakage detection rod assembly is inserted in the leakage detection seat assembly, the leakage detection rod assembly comprises a conical shell, and a support plate II is installed in the conical shell through a bolt; according to the utility model, the weighing sensor, the guide rod, the baffle plate, the sealing seat, the camera module, the illuminating lamp and the control transmission module are integrated in the leakage detection rod assembly and are electrically connected, so that the stress state of the sealing seat in the leakage detection process can be accurately monitored in real time to reflect the sealing performance, and visual information in a shaft can be obtained through the camera module; meanwhile, the control transmission module can process, store and upload the key data in real time, the problems that in the prior art, real-time monitoring and data feedback are lacked, and sealing failure or inaccurate judgment is caused due to the fact that the precision is insufficient due to the fact that a single air bag is depended on are effectively solved, and the reliability of leakage detection and the comprehensiveness of information obtaining are greatly improved.

The utility model relates to packing machine technical field, concretely is a kind of pill feeding device of packing machine, including machine body and clamping device, the upper surface of machine body is fixedly installed with mounting bracket, the upper surface of mounting bracket is fixedly connected with hopper, the lower surface of hopper is through mounting bracket and is provided with discharge gate, clamping device is set on the surface of machine body, clamping device includes cylinder, cylinder is fixedly connected with machine body, the drive end of cylinder is through mounting bracket and is fixedly connected with driving rod, the surface of driving rod is fixedly connected with circle, the inner wall of circle is rotatably connected with clamping bar, one end of clamping bar is fixedly connected with recovery tray, and the one end of recovery tray is provided with discharge port, the utility model, can accurately fixed filling container, reduce the displacement of container due to the inertia of transmission belt start-stop, reduce the risk of pill sliding, sponge pad buffering protection container, prevent deformation damage, recovery tray timely receives falling pill, reduce waste and pollution, and recovery operation is simple, save manpower and material cost.