16results about How to "Avoid re-entry" patented technology

This invention belongs to the technical field of traditional Chinese medicine extraction equipment, specifically relating to an automated sterilization process for the entire pipeline of traditional Chinese veterinary medicine extraction. This application modifies the entire pipeline of traditional Chinese veterinary medicine extraction to meet the requirements of high-temperature and high-pressure steam sterilization. Before the extraction of traditional Chinese veterinary medicine, high-temperature and high-pressure steam is used to sterilize the entire pipeline. Then, the extraction temperature in the extraction tank is controlled to ensure the sterilization of the extract, thereby ensuring that the final oral liquid meets the sterilization requirements. This saves on the terminal sterilization process and allows for direct filling with non-high-temperature resistant packaging, greatly saving manufacturing costs.

The utility model relates to the field of sewage treatment discloses a kind of floating oil collecting device and sewage treatment system, the floating oil collecting device includes heating assembly, containing piece and suction piece.The containing piece is opened with the containing groove of notch upwards, and the containing groove is used to contain the liquefied floating oil produced when the heating assembly heats floating oil layer, and the suction piece is used to extract the liquefied floating oil from the containing groove.The floating oil collecting device collects liquefied floating oil through the containing groove, so that liquefied floating oil is separated from other liquids in waste liquid pool, and then the suction piece removes the liquefied floating oil in the containing groove, thereby completing the separate collection of floating oil.The floating oil collecting device largely avoids extracting waste liquid together with floating oil, reduces the difficulty of subsequent floating oil reuse, and also ensures the collection efficiency of floating oil.

The invention discloses mixing equipment for release agent production and a preparation process thereof, and relates to the technical field of environmental protection, the mixing equipment comprises a mixing unit and a decarburization unit, and further comprises a desulfurization unit; the decarburization unit is located at the rear end of the mixing unit, flue gas is firstly treated by the decarburization unit, carbon dioxide in the flue gas is removed, and then the flue gas enters the desulfurization unit to remove sulfur dioxide in the flue gas. The decarburization and desulfurization integrated device has the advantages that in the process of producing mixed raw materials through the release agent, decarburization and desulfurization integrated design is adopted for analyzing and absorbing harmful flue gas generated in the preparation process, the occupied area is reduced, waste utilization is achieved, in the analysis process, desulfurization operation does not need to be stopped, and the desulfurization efficiency is improved; the separation of solids in a mixed solution can be accelerated, and when the solids are heated, the probability that the separated solids are adhered to the analysis kettle is effectively reduced, so that the subsequent cleaning of the analysis kettle is facilitated.

The utility model belongs to the technical field of quartz sand preparation, and particularly relates to a vacuum sintering device. The vacuum sintering device provided by the utility model can provide a vacuum environment for quartz sand preparation, impurities in gas-liquid inclusion can be more effectively removed in a high-temperature vacuum state, the purity of the quartz sand is improved, the vacuum environment has no pollution source, and the quality of the quartz sand can be effectively controlled. Meanwhile, the vacuum environment is beneficial to inhibiting volatilization and diffusion of some impurities and preventing the impurities from entering the quartz sand again; the high-temperature vacuum state is beneficial to removal of hydroxyl in the quartz sand. According to the vacuum sintering device provided by the utility model, quartz sand can be prepared by adopting single equipment, the prepared quartz sand is high in purity which is more than 99.998%, the hydroxyl content is low, the hydroxyl content is less than 1ppm, the granularity is 0.1-0.3 mm, the quartz sand can be used as a raw material of inner-layer sand of a photovoltaic or semiconductor quartz crucible, meanwhile, the production efficiency is improved, and the vacuum sintering device is green and environment-friendly.

This utility model relates to the technical field of coolant circulation and purification, and in particular to a coolant circulation and purification mechanism for an irregularly shaped copper busbar sawing machine, comprising: a coolant tank, which is supported on the ground and has a liquid storage chamber inside; a circulation pump installed on the coolant tank; a liquid inlet, which is fixedly connected to the top of the coolant tank and communicates with the liquid storage chamber inside; a coarse filter plate, which is installed on the coolant tank and is used to filter and protect the coolant inside; a guide plate, which is fixedly installed in the coolant tank and is located below the coarse filter plate, and is used to guide the coolant flow; and a filtration mechanism, which is installed in the coolant tank and is used to receive and filter the coolant guided by the guide plate; wherein, the filtration mechanism includes: a filter box, which is fixedly installed on the side wall of the coolant tank, with two fixed insertion holes symmetrically arranged on the inner side wall of one end of the filter box, and two insertion ports arranged on the opposite side of the fixed insertion holes.

The application discloses a kind of for sewage treatment ultra-efficient shallow air floaters and processing technology, its ultra-efficient shallow air floater includes pool body, cloth liquid unit, mounting bracket and drive unit, pool body inserts with sewage pipe and inlet pipe, sewage pipe is connected with sewage pipe, inlet pipe is connected with Venturi jet and is connected with its water inlet, the air pipe and the dissolved air water pipe are connected with the air inlet and the water outlet of Venturi jet respectively;Cloth liquid unit includes mixing pipe and cloth liquid pipe, mixing pipe is connected with sewage pipe, dissolved air water pipe, cloth liquid pipe is connected on mixing pipe, mounting bracket is arranged on sewage pipe, and mounting bracket is provided with scraper;Drive unit drives mounting bracket to rotate;Pool body is equipped with scum cylinder, scum cylinder is equipped with scum box, the height of front side box wall of scum box is greater than rear side box wall, mounting bracket is equipped with bending assembly for bending scraper, and the scraper after bending restores original shape after passing through low side box wall of scum box.The ultra-efficient shallow air floater provided by the application can improve the efficiency of the scraper to remove scum.

The present application relates to the technical field of medical devices, in particular to a wound debridement device for blood tumor patients, comprising a handle vertically arranged, an injection part, an adsorption part and a mounting part for clamping medical cotton, the lower end of the handle is provided with a placing cavity, the mounting part is arranged in the placing cavity, the injection part comprises a first cylindrical cavity, a first button, a vertical slide and a first flow channel arranged in the handle, the mounting part comprises a fixing block arranged in the placing cavity and detachably connected with the handle, when the medical cotton is clamped on the handle by the fixing block, part of the medical cotton extends out of the lower end of the handle through the center hole of the fixing block, and the adsorption part comprises a second cylindrical cavity, a second button and an adsorption channel arranged vertically. The present application is simple and fast in operation when debriding the wound of the patient, greatly shortens the debridement time and reduces the labor intensity of medical staff, simultaneously reduces the time of exposing the wound of the patient to the outside, reduces the risk of wound infection and improves the wound healing speed.

This utility model discloses a special ceramic metallization printing fixture, belonging to the field of special ceramic processing technology. The fixture includes a positioning frame and a mounting plate detachably installed within the positioning frame. It also includes: mounting holes arranged in a rectangular array on the mounting plate for placing ceramic substrates; each mounting hole has a clamping part for limiting the ceramic substrate's position. When the ceramic substrate is located within the mounting hole, its surface is flush with the mounting hole. Through the arrangement of the mounting plate and mounting holes, when the ceramic substrate is placed into the mounting hole, it directly contacts the anti-slip texture on the anti-slip pad, and the elasticity of the elastic sheet compresses the sidewall of the ceramic substrate, thereby limiting its position. This fixture can adapt to ceramic substrates of different sizes of the same type, effectively improving the adaptability of the mounting plate to the ceramic substrate and further improving production efficiency.

The invention discloses an oil field underground pipe column anti-falling device, and relates to the technical field of anti-falling tools, the oil field underground pipe column anti-falling device comprises an upper joint, and a self-lubricating assembly used for guaranteeing the smooth rolling effect of a centralizing ball is arranged in a counterweight steel block and a lower joint. According to the oil field underground pipe column anti-falling device, a weightlessness sensor on an outer cylinder is in linkage with an electromagnetic valve to be opened, lubricating oil in a liquid cavity in a balance weight steel block is guided into a telescopic liquid storage pipe, the self weight of the balance weight steel block is effectively reduced, the elastic potential energy of a balance weight spring is increased in a disguised mode, and the upward pushing force of the balance weight steel block is enhanced; through switching of the adjustable power pump between low power and medium power, the stirring piece sealing plate in the liquid passing channel is driven to stir in a reciprocating mode, the flowing speed of lubricating oil is increased on the premise that a main injection opening of an oil distribution branch is not closed, the lubricating operation on the centralizing ball is efficiently completed, the friction force between the centralizing ball and a counter weight steel block caulking groove is remarkably reduced, and the service life of the centralizing ball is prolonged. And the blockage of the counterweight steel block in the ascending process is avoided.

This invention relates to the field of gearbox condition detection technology, specifically to a detection device and method for multi-stage gearboxes with transmission stability. The device includes a fault feature extraction component as the core of an intelligent sensor. The fault feature extraction component comprises an insulating carrier, a signal pickup coil wound on the insulating carrier, and an upstream detection sensitivity gain unit. The detection sensitivity gain unit has a rectifier channel that constrains dispersed wear products to the insulating carrier. An adaptive stabilizer is arranged around the fault feature extraction component to form a flow bypass. The adaptive stabilizer performs axial compensation displacement in response to fluid pressure fluctuations in the monitoring environment. This invention utilizes fluid acceleration and inertial sorting. When the sleeve pressure senses and opens the bypass to drain oil, the inertial difference propels high-momentum abrasive particles into the central detection area, thereby achieving oil bypass but not abrasive particle bypass, ensuring accurate capture of weak fault features under all operating conditions.

This utility model belongs to the field of wall-hung boiler cleaning technology, specifically a cleaning device for wall-hung boilers, including a water tank. A first motor is installed on the top of the water tank, and a rotating shaft is connected to the output end of the first motor. Multiple stirring blades are fixed on the outer surface of the rotating shaft. A water injection pipe and a feeding pipe are connected to the top side of the water tank. During the cleaning process, before the water containing dirt flows back into the water tank through the return pipe, it first passes through a filter screen. The filter screen intercepts and filters impurities in the wastewater, allowing the wastewater without dirt and impurities to flow back into the water tank through the return pipe. This facilitates the recycling of water resources and saves water. The filtered clean water re-enters the circulation, avoiding the decrease in cleaning solution concentration caused by the accumulation of impurities, ensuring the effectiveness of subsequent cleaning, and preventing these impurities from re-entering the interior of the wall-hung boiler, thus preventing secondary pollution.

This utility model provides a valve core, belonging to the field of valve technology. The valve core includes a valve body, a valve stem, and a flexible sealing plate. The valve body has an air passage, and the flexible sealing plate is disposed within the air passage and fixedly connected to the valve stem. The valve body has an external air port and an internal air port communicating with the air passage. An external sealing surface and an internal sealing surface are respectively located at the outer and inner ends of the valve body. The external air port is located inside the external sealing surface, and the internal air port is located inside the internal sealing surface. The valve stem can drive the flexible sealing plate to move within the air passage, and the flexible sealing plate can maintain a tight seal with the external or internal sealing surface. This utility model also proposes a filling / discharging valve, including a housing, a valve core, and an end cap. The valve core is fixedly installed inside the housing, with the external air port of the valve core facing the outer port of the housing, and the internal air port of the valve core facing the inner port of the housing. This utility model has the advantage of being able to switch the sealing direction unidirectionally during filling and discharging.

The utility model discloses a cable waterproof flame-retardant intermediate joint protection shell, which comprises a second shell body, the outer wall of the second shell body is symmetrically and fixedly connected with connecting lock catches, the cable waterproof flame-retardant intermediate joint protection shell further comprises a first shell body, and the outer wall of the first shell body is fixedly connected with the outer wall of one side, far away from the second shell body, of each connecting lock catch; the utility model relates to the technical field of joint protective shells, according to the first shell and the second shell, through the cooperation of the filling port and the exhaust port, the filling port facilitates the injection of resin AB glue, and when a rubber plug is pulled out to fill the glue, a rubber belt can drive a sealing plug to be separated from the exhaust port and open the exhaust port, so that air in the protective shell can be smoothly exhausted; the inner space of the protective shell can be fully filled with the resin AB glue, the second shell is connected with the first shell through the connecting lock catch, a complete protective shell structure can be rapidly formed, meanwhile, a first mounting hole in the first connecting plate corresponds to a second mounting hole in the second connecting plate, and the connecting tightness is further enhanced through screwing of a screw.

This invention discloses an assembly device for laminated glass production. The assembly device includes a glass positioning support platform for supporting and fixing the lower glass layer and the PVB film, and a machine head capable of feeding along the glass cutting edge. A main shaft is rotatably mounted inside the machine head, and a servo motor is fixed to the side wall of the machine head, with the drive end of the servo motor fixedly connected to the main shaft. A disc blade for cutting the film, a pre-compression cam for driving pre-compression action, and an exhaust cam for driving exhaust action are coaxially fixed on the main shaft. A pre-compression locking assembly that works in conjunction with the pre-compression cam is provided inside the machine head. This invention provides an assembly device for laminated glass production that achieves rigid linkage between cutting and exhaust through a single drive source, simultaneously improving cutting dimensional accuracy, eliminating air bubble defects during lamination, simplifying equipment structure, reducing production and maintenance costs, and adapting to the production of various types of laminated glass.

The utility model provides a dangerous waste temporary storage warehouse which comprises a warehouse body used for storing dangerous waste and comprises a ceiling, a base, a first side wall, a second side wall, a third side wall and a fourth side wall, the first side wall and the second side wall are oppositely arranged in the first direction, the third side wall and the fourth side wall are oppositely arranged in the second direction, and the first direction is perpendicular to the second direction; the explosion door is arranged on the first side wall; the shutter is arranged at the top of the third side wall or the fourth side wall, is close to the first side wall and is used for ventilation; the explosion-proof fan is arranged at the louver and is used for exhausting gas in the warehouse body through the louver; the one-way air inlet is formed in the bottom of the second side wall and used for allowing air to enter the warehouse body. The dangerous waste temporary storage warehouse is simple in structure, can effectively prevent discharged harmful gas from entering the warehouse again, and is good in safety.

This invention discloses an automatically cleanable meltblown nonwoven fabric production equipment, including a meltblown device. The meltblown device includes a metering pump connected to a filter, a melt pipe with one end connected to the metering pump, a meltblown die connected to the end of the melt pipe away from the metering pump, and a meltblown assembly connected to the meltblown die. A ball valve is installed on the melt pipe. The ball valve body has a discharge hole that communicates with the interior of the ball valve. A first flow channel and a second flow channel connected to the first flow channel are pre-set inside the ball valve. When the ball valve is open, both ends of the first flow channel are directly connected to the melt pipe. When the ball valve is closed, the second flow channel is directly connected to the melt pipe, and the first flow channel is directly connected to the discharge hole. A cleaning assembly is provided on the ball valve for cleaning the inner wall of the first flow channel. This invention can improve the service life of the meltblown device.