13results about How to "Difficult to handle" patented technology

The utility model discloses an anti-blocking cyclone separator which comprises a cyclone separator body, an air inlet is formed in the cyclone separator body, an air outlet is formed in the upper end of the cyclone separator body, and a discharging port is formed in the lower end of the cyclone separator body. The cyclone separator comprises a cyclone separator body, a washing mechanism is arranged in the cyclone separator body, a wall scraping mechanism is arranged in the cyclone separator, and the washing mechanism and the wall scraping mechanism are matched for use, so that when the cyclone separator is used, firstly, the cyclone separator body can separate solid particles or liquid drops from gas through matched use of an air inlet, an air outlet and a discharge port; when solid particles are attached to the inner wall of the cyclone separator body, dust can be treated by opening the flushing mechanism and the wall scraping mechanism, the situation that the dust is not easy to treat after being layered in the inner wall of the cyclone separator body is avoided, the flushing mechanism and the wall scraping mechanism use the same power source, and energy consumption can be reduced.

The invention discloses a power battery structural member production wastewater treatment method, which is used for treating power battery structural member production cleaning wastewater, and sequentially comprises the following steps: performing oil separation on the power battery structural member production cleaning wastewater through an oil separation tank, and adjusting the power battery structural member production cleaning wastewater in a cleaning water adjusting tank; lower-layer water regulated by the cleaning water regulating tank enters a membrane treatment system through a middle tank for membrane treatment, upper-layer water enters a petroleum water treatment system for treatment, and water phases of air floatation equipment and a three-phase separator of the petroleum water treatment system return to the cleaning water regulating tank to participate in regulation; clear liquid treated by the membrane treatment system enters a clear water tank if reaching the standard, enters a biochemical treatment system for biochemical treatment if not reaching the standard, concentrated liquid flows back to the middle tank, and the concentrated liquid in the middle tank is discharged into a petroleum water treatment system; and clean water treated by the biochemical treatment system enters cleaning water. Effective treatment of the power battery structural member production wastewater is realized.

The invention consists of a drying tunnel for fruits or vegetables which comprises an impulsion and heating chamber (2) and a plenum (3), configured for receiving an outgoing hot air (6) generated in the impulsion and heating chamber (2) by the generator, so that the plenum (3) comprises openings (10) arranged in a staggered pattern, located on the lower surface (1) thereof, with an opening density between 150 to 300 openings (10) per square metre, wherein said openings (10) are configured for expelling a distributed hot air (4) from inside the plenum (3) in a perpendicular way towards a conveyor system (9), configured for moving fruits and vegetables to be dried.

The utility model discloses a crushing and mixing device for dried stevioside materials, and relates to the technical field of stevioside production, blocky stevioside materials are crushed into small sizes in a crusher, enter a crushing surge bin and then enter a filter sieve under the suction force of a second vacuum feeding machine, and small-particle materials enter an undersize material surge bin for temporary storage; the stevioside enters the first feeding buffering bin under the action of the first vacuum feeding machine, then enters the second feeding buffering bin under the action of the third vacuum feeding machine and falls into the mixing machine below under the action of gravity, the uniformity of products is improved through secondary crushing and mixing of the mixing machine, and finally mixed stevioside materials enter the buffering tank to be temporarily stored and used for subsequent packaging and delivery. The whole process is operated in a closed mode, the possibility that stevioside dust enters air is greatly reduced, the device is friendly to the environment and the human body, meanwhile, continuous operation is achieved, production efficiency is improved, manual intervention is little, and productivity is saved.

The utility model relates to the technical field of flue gas desulfurization, and discloses flue gas desulfurization equipment using limestone powder, which comprises a U-shaped tower, the U-shaped tower is a U-shaped communicated tower, and a separation mechanism is mounted on the U-shaped tower; the separation mechanism comprises a calcium carbonate slurry spraying assembly fixedly mounted on one side in the U-shaped tower. Through the calcium carbonate slurry spraying assembly mounted on one side of the U-shaped tower, introduced flue gas can be fully absorbed, sulfur dioxide and hydrogen fluoride pollutants in the flue gas are precipitated into the first collecting box together, meanwhile, purified high-temperature flue gas can be introduced into the other side along the U-shaped tower, and low-temperature water is sprayed at the position where the dust falling spraying assembly is driven, so that the dust falling efficiency is improved. According to the device, purified flue gas can be cooled, dust contained in the flue gas is precipitated and guided into the second collecting box, slurry and low-temperature water are effectively separated, and the situation that a large amount of low-temperature water is mixed into calcium carbonate slurry in the first collecting box, and the sulfide treatment difficulty is increased is avoided.

The invention discloses a centralized treatment device for medical instruments, which comprises a crushing mechanism, a shaking mechanism, a separating mechanism and a knocking mechanism, and can effectively treat medical instruments made of different materials including iron needles and plastic pipes, the crushing mechanism is used for crushing the medical instruments into fine particles, and convenience is provided for subsequent separation; the shaking mechanism ensures uniform distribution of materials through vibration, and accumulation is avoided; iron and plastic materials are magnetically separated, so that high-efficiency recovery is ensured; the knocking mechanism can more accurately separate different materials and ensure the purity of each material, so that the subsequent treatment efficiency is improved, the separated materials can be respectively recycled, the resource utilization rate is maximized, the equipment has high efficiency, automation and durability, manual intervention is reduced, the treatment efficiency is improved, and the labor intensity of workers is reduced. The centralized treatment device for the medical equipment is suitable for shelter hospitals, and the treatment efficiency of the waste medical equipment and the sanitary safety of the hospitals can be remarkably improved.

A composite double well fire flooding method for low permeability difference oil layer belongs to the technical field of artificial auxiliary viscosity reduction technology in tertiary oil recovery process. The composite double well low permeability reservoir development process is as follows: two wells are drilled at all well sites in the oil production core area, one is a composite oil production well, and the other is a fire flooding air injection well. All the drilled wells at the outer edge of the reservoir are single oil production wells. The fire flooding air injection well in the well pattern supplements the high production layer and is ignited by physical and chemical methods. Any oil production well in the well pattern cannot supplement the fire flooding layer. The present application has the following characteristics: the composite double well fire flooding technology absorbs the advantages of steam huff and puff development, steam flooding, fire flooding and other development methods, has low cost, good effect, reduces labor intensity and saves human resources.

The invention discloses a preparation method and application of magnolol derivatives, and belongs to the technical field of organic synthesis. The invention relates to an application of lignite residues as a catalyst to generate magnolol derivatives, which comprises the following steps: S1, mixing magnolol with a diazo ester compound, adding acetonitrile, and continuously stirring; s2, adding lignite residues as a catalyst, reacting at room temperature for 1 hour, heating to 70 DEG C, and continuously reacting for 10-12 hours; s3, stopping the reaction when the reaction of the raw materials is detected to be complete by TLC; and S4, filtering the reaction material, washing the filter cake with dichloromethane until the filter cake is colorless, carrying out reduced pressure concentration on the filtrate to remove volatile components, and carrying out silica gel column chromatography separation to obtain the magnolol derivative. According to the method, the lignite residues are adopted as the catalyst, the problem that the lignite residues are difficult to treat can be solved, a new thought can be provided for selection of the catalyst in the organic synthesis reaction, recycling of waste resources is achieved, and the method is suitable for the purposes of green chemistry and environmental protection.

The present invention relates to a factory equipment safety index display system and method, and belongs to the field of accident emergency processing technology. The system includes a perception module, a processing module and a three-dimensional display module. The perception module is used to collect equipment data of equipment in a digital twin factory. The processing module evaluates the equipment safety index related to the equipment based on the equipment data and sends the equipment safety index to the three-dimensional display module. In a three-dimensional scene, the three-dimensional display module displays the equipment safety index in the form of a digital signboard. The present invention is aimed at an intuitive display of the factory equipment safety index in an immersive scene for a factory that has completed digital twins. It can reflect the operating status of each equipment in the factory in real time in the form of a digital signboard according to the needs of the staff, which helps the staff to find fault points in time and make decisions, reduce the occurrence of safety accidents, and improve the production efficiency of the factory.

Disclosed are a hybrid dialkylphosphinate salt, a method for preparing same, and use thereof. The hybrid dialkylphosphinate salt is selected from at least one of the compounds represented by Formula (I). The hybrid dialkylphosphinate salt of Formula (I) provided herein features a low required loading level, high flame retardant efficiency for various polymers, and good thermal stability. The present invention overcomes the disadvantage of low flame retardant efficiency of diethylphosphinate in polymers as well as low thermal stability and large dust of dipropylphosphinate. The hybrid dialkylphosphinate salt of Formula (I) can be widely applied to flame retardant polymers which require high-temperature processing.

The present invention provides a sewage denitrification and denitrification device, comprising a device body, wherein the device body is sequentially divided into an inlet area, a denitrification area and an outlet area from top to bottom. The denitrification area is provided with a supporting layer and a composite filter material layer, wherein the supporting layer is arranged at the bottom of the composite filter material layer, and the composite filter material layer comprises N layers of denitrification modules from top to bottom, wherein N is a natural number greater than 1. The denitrification module comprises a plurality of spherical skeletons, a plurality of denitrification carriers, a plurality of polyurethane foam blocks and a plurality of root bundle-like fiber bodies, wherein the two ends of the bundle-like fiber bodies are respectively connected by spherical skeletons, the interior of the spherical skeleton is hollow, and the denitrification carrier and the polyurethane foam block are arranged inside the spherical skeleton to have a certain protective effect on the denitrification carrier, thereby preventing the denitrification carrier from being damaged by water flow scouring and increasing the difficulty of sewage treatment. At the same time, the ratio of the denitrification carrier and the polyurethane foam block in the spherical skeleton is reasonably matched, so that the buoyancy of the denitrification module can be flexibly adjusted, and all the denitrification modules can be prevented from being piled up together.

A spectrometry device 1 includes: a collimating optical system 15 configured to collimate object light from a measurement point a on a sample S; a photodetector 21 having a light-receiving face in which a plurality of pixels are arrayed in a predetermined direction; a conjugate plane imaging optical system 11 provided between the sample and the collimating optical system to form a plane optically conjugate with respect to a surface of the sample; an amplitude-type diffraction grating 1 disposed on the conjugate surface and having a light incident face on which the object light is incident or a light emission face from which the object light is emitted, the light incident face or the light emission face being formed by a light-shielding member made of a material having a light shielding rate higher than that of silicon in a wavelength band of the object light and provided with a plurality of openings, an optical path length differentiating optical system 16 configured to divide collimated object light into a first light beam and a second light beam to provide an optical path length difference; and an interference optical system 17 configured to cause the first light beam and the second light beam provided with the optical path length difference to interfere with each other to form an interference image on the light-receiving face along the predetermined direction.

The application discloses a kind of lead-zinc ore beneficiation method and system in polymetallic ore, it is related to the technical field of beneficiation, including the following steps: S1, crushing;S2, grinding;S3, lead flotation: the ore pulp after grinding is sent to lead flotation tank, flotation reagent includes 25# black medicine, butyl xanthate, foaming agent and zinc inhibitor, using 1 rough 2 sweep 3 precise flotation, and output lead concentrate and lead tailings;S4, zinc flotation: lead tailings are sent to zinc flotation tank, and flotation reagent includes copper sulfate, butyl xanthate and foaming agent, using 1 rough 2 sweep 3 precise flotation, and output zinc concentrate and zinc tailings;S5, tailings, wastewater treatment: the fluorite tailings produced by flotation are subjected to solid-liquid separation, and the liquid phase is sent to a sewage treatment station for treatment, and the treated water is recycled to the beneficiation section;Solid phase is sent to mine for filling treatment or used as building material, solve the problem that there is no efficient, environmentally friendly, economic lead-zinc ore comprehensive recovery beneficiation process suitable for the ore properties in Sichuan Mabian area in the prior art.