87results about How to "Accelerate emissions" patented technology

The invention provides a centrifugal air conditioner gas-liquid separator, and belongs to the technical field of gas-liquid separators, the centrifugal air conditioner gas-liquid separator comprises a cylinder body and a cylinder cover, the cylinder body is connected with a drainage pipe and an air inlet pipe, the cylinder cover is connected with an exhaust pipe, a supporting ring and a fixing ring are arranged in the cylinder body, a drainage plate, a wind shield and a side plate are arranged in the cylinder body, and a backflow pipe is arranged on the outer wall of the cylinder body. The filter assembly comprises a water absorption piece; the extrusion assembly comprises a telescopic air bag and a fixing plate; the guide assembly comprises a drainage cover, an outer tube and an inner tube, and a rotating rod is arranged in the inner tube; the device has the beneficial effects that the wind shield drives the rotating rod to rotate, so that the turbine fan blades rotate to promote gas emission, and meanwhile, the cleaning plate is driven to clean the surface of the lower filter plate, so that the blockage condition is reduced, the filtering effect is improved, timely and effective cleaning is ensured, in addition, the water absorption part can be automatically extruded to drain water, the maintenance and replacement frequency is reduced, and the working efficiency is improved. The use efficiency is improved.

The invention provides a submerged-arc welding device for a special-shaped part, and relates to the technical field of submerged-arc welding equipment, the submerged-arc welding device comprises a submerged-arc welding gun part, and a pressing control part is mounted on the submerged-arc welding gun part; the downward pressing control piece is used for adjusting downward pressing force; a welding path rolling part is mounted on the downward pressing control part; the welding path rolling part is used for rolling a welding path; a bottoming fitting piece is mounted on the submerged-arc welding gun part; the bottoming fitting piece is positioned below the pressing control piece; a bottoming detection piece is mounted on the bottoming fitting piece; the bottoming detection piece is used for detecting the bottoming width; the device can be used for detecting the initial backing uniformity of carbon dioxide arc welding, the advancing speed of a welding wire can be conveniently controlled for compensation, the uniformity of a welding path is improved, and the problems that an existing special-shaped part submerged-arc welding device cannot conveniently conduct leveling adjustment work on special-shaped welding seams and cannot automatically test backing parameters of carbon dioxide arc welding are solved.

The invention relates to the technical field of multi-cylinder diesel engine cylinder body casting, and discloses a multi-cylinder diesel engine cylinder body casting mold and a using method thereof.The multi-cylinder diesel engine cylinder body casting mold comprises a bottom plate, a mold body is fixedly connected to the top of the bottom plate, supporting legs are fixedly connected to the bottom of the bottom plate, a bent frame is fixedly connected to the surface of the bottom plate, and a hydraulic rod is fixedly connected to the end, away from the bottom plate, of the bent frame; a die-casting plate is fixedly connected to the telescopic end of the hydraulic rod, a through hole is formed in the bottom of the inner wall of the die, the exhaust component comprises a sliding frame, the inner wall of the sliding frame is slidably connected with the surface of the bent frame, and an electric push rod is fixedly connected to the surface of the sliding frame. After a smelted material is poured into a mold, a hydraulic rod is started to push a die-casting plate into the mold for die-casting forming, and after the smelted material enters the mold, an exhaust part is started to enter the mold, and liquid in the mold is stirred through the exhaust part; and gas in the liquid is discharged in a stirring manner.

The invention discloses homogeneous stirring equipment for preparing cold water fish feed grease, and relates to the technical field of stirring, and the homogeneous stirring equipment comprises a bin body mechanism. According to the homogenizing and stirring equipment for preparing the cold water fish feed grease, through the design of the bin body mechanism, materials enter from the top of the processing mechanism, circulate and enter the bin body shell, then a motor is started, a central rotating shaft is controlled by the motor to rotate, and the interiors of the materials are rotated by paddle plates, so that the effect of mixing the materials is achieved; through the design of the multiple paddle plates, the stirring range is enlarged, the mixing efficiency is improved, the uniform mixing effect is achieved, the paddle plate grooves are formed, the rotating efficiency is improved through the grooves, the grooves can disturb boundary layers on the surfaces of the paddle plates, resistance is reduced, the flowing efficiency of fluid is improved, and therefore the stirring effect of the paddle plates in the fluid is enhanced; cavitation and cavitation phenomena are reduced, the possibility of generating cavitation and cavitation under high-speed movement is reduced, and the service life of the paddle board is prolonged.

The invention discloses a magnetic drive pump with a heat dissipation mechanism, and relates to the technical field of magnetic drive pumps, the magnetic drive pump comprises a magnetic drive pump main body and a controller, the magnetic drive pump main body comprises a driving motor, a limiting assembly, a driving assembly and a pump body, the limiting assembly is connected with the driving motor and the pump body, the driving motor is matched with the driving assembly, and the driving assembly is connected with the controller. Heat dissipation openings are formed in the two side faces of the exterior of the driving motor correspondingly, heat dissipation assemblies are installed on the two side faces of the exterior of the driving motor correspondingly, the heat dissipation assemblies are matched with the heat dissipation openings, and the heat dissipation assemblies can cool the driving motor, so that when the device is used, heat emission of the driving motor can be accelerated through the heat dissipation assemblies, and heat dissipation efficiency is improved. When the driving motor of the device stops working, the controller can control the heat dissipation assembly to work, workers do not need to manually start the heat dissipation assembly to conduct heat dissipation on the driving motor automatically, and the rotating speed of the impeller can be increased or decreased through the adjusting assembly on the premise that the power of the driving motor is not changed.

The utility model discloses a planetary gear reducer lubricating structure which comprises a planet carrier and further comprises an oil distributor body, and the oil distributor body is connected with the planet carrier through a connecting structure. One end of the oil distributor main body is concave downwards to form an oil collecting cavity, the oil collecting cavity comprises a baffle part located at one end of the oil distributor main body and an annular baffle part formed on the periphery of the baffle part, and a plurality of oil outlets are formed in the annular baffle part and correspond to a plurality of planetary gear pairs on the planet carrier. According to the technical scheme, after the oil distributor body is installed at one end of the inner hole of the planet carrier, the utilization rate of lubricating oil flowing out of the planet carrier is improved, meanwhile, the lubricating oil can be guided to a gear pair needing to be lubricated as much as possible, and under the condition that the gear pair emits heat equally, the lubricating oil can be evenly distributed. The flow of the used oil pump is smaller, the power consumption of the electric drive assembly is smaller, the cost of the electric drive assembly is lower, and the efficiency of the reduction gearbox can be improved by matching the structure with an active lubrication mode.

The invention discloses a method for determining control parameters of an ammonia-coal mixed combustion system and a related device and system, and relates to the field of ammonia-coal mixed combustion systems.The method comprises the steps that the actual value of the ammonia input flow, the actual value of the air input flow, the actual value of the nitrogen oxide content and the actual value of the ammonia remaining amount are collected; utilizing the mechanism model to obtain a predicted value of the nitrogen oxide content and a predicted value of the residual ammonia gas; determining the range of the nitrogen oxide content and the range of the residual amount of ammonia gas; training the neural network model by using the range of the nitrogen oxide content and the range of the residual ammonia gas to obtain an optimal excess air coefficient determined by the neural network model; obtaining a target ammonia gas input flow and a target air input flow corresponding to the optimal excess air coefficient; and determining the target ammonia gas input flow and the target air input flow as control parameters of the ammonia-coal mixed combustion system. The control parameters of the ammonia-coal mixed combustion system can be quickly and accurately determined, and emission of nitric oxide and ammonia gas is reduced.

The invention discloses a grate-rotary kiln pellet process biomass-hydrogen-based fuel gas composite heat supply method, which comprises the following operation steps A, B and C in a grate-rotary kiln pellet production process: A: mixing biomass charcoal and a pellet material for pelletizing; b, the biomass solid fuel and the hydrogen-based fuel gas are injected into the rotary kiln at the same time; and C, fuel gas and / or air are / is injected to the joint of the chain grate machine and the rotary kiln head so as to regulate and control the oxygen content and temperature of the flue gas of the second preheating section. According to the method, under the condition that normal production of the pellets is not affected, due to the fact that a renewable, clean and low-carbon fuel structure is fully adopted, the number of CO2 and gas pollutants generated by combustion of fossil fuel is remarkably reduced.

The invention discloses a distributed port comprehensive energy-logistics scheduling method, which realizes energy-logistics collaborative management with more economical energy consumption and less carbon emission under the condition that an energy system and a logistics system are independent. According to logistics parameters and energy parameters, after a global optimal scheduling problem is decomposed into a logistics scheduling problem and an energy scheduling problem, the energy scheduling problem and the logistics scheduling problem are solved in sequence through a data-driven embedded ADMM method, then the logistics parameters and the energy parameters are updated, and a global optimal solution is obtained after iteration is carried out until conditions are met.

The invention relates to the technical field of biomass treatment and hydrogen production, in particular to an efficient circulating power generation system based on coupling of calcium-based chemical chain gasification hydrogen production and a solid oxide fuel cell and an operation method of the efficient circulating power generation system. The system at least comprises a gasification reactor, a third flow divider, a first material return valve, a regeneration reactor, a fourth heat exchanger, a CO2-rich flue gas conveying pipe, a flue gas purification system, a waste heat utilization boiler, a carbon capture and storage module and the like which are sequentially communicated, the gasification reactor is further communicated with the high-temperature water vapor conveying pipe, and the regeneration reactor is communicated with a fourth heat exchanger. Efficient hydrogen production and carbon capture are achieved through the calcium-based chemical chain gasification technology, efficient power generation is conducted by combining the solid oxide fuel cell, heat-mass balance is systematically optimized, and the hydrogen production efficiency and the overall energy utilization efficiency are improved.

The utility model relates to the technical field of waste gas purification, and provides petrochemical waste gas treatment equipment which comprises a bottom plate, a filter box is fixedly mounted at the top of the bottom plate, a gas inlet pipe is arranged at the lower end of one side of the filter box, and the other end of the gas inlet pipe penetrates through the filter box. The filter box and the microorganism purification box are fixedly installed at the waste gas treatment position through the bottom plate, the waste gas discharge pipe is connected with the gas inlet pipe arranged at the lower end of the microorganism purification box, so that waste gas enters the microorganism purification box through the gas inlet pipe, and the control valve arranged on the outer surface of the gas inlet pipe can effectively control the inflow amount of the waste gas. After the waste gas enters the microorganism purification box, a valve arranged on the outer surface of a gas conveying pipe is closed, so that the waste gas and microorganisms in a biological storage box generate comprehensive effects such as advection effect and adsorption within sufficient retention time in the microorganism purification box, and the waste gas is adsorbed on the surface of a wet biological membrane; and finally converting into harmless substances through biochemical reaction.

The utility model relates to the technical field of wind shield processing, and disclose a kind of injection mold for wind shield processing, including base and fixed plate, model cavity is set up in base, the middle part of base is provided with through slot, the bottom end of fixed plate is provided with mould core, the top of fixed plate is provided with injection assembly, the inside of mould core is fixedly connected with several exhaust pipes, the middle part of mould core is provided with cavity, injection assembly includes four injection channels fixedly connected in the middle part of fixed plate, the top of four injection channels is fixedly connected with feeding pipe, the inner cavity middle part of feeding pipe is provided with conical flow guide block, injection material is injected into model cavity inner cavity from multiple positions by four injection channels simultaneously, effectively improve injection speed, ensure that material can be more evenly distributed in model cavity inner cavity simultaneously, gas generated in high temperature during mould use is discharged through multiple evenly arranged exhaust pipes, avoid that gas influences the product quality of wind shield.

The invention discloses a method for delaying discharge of monostroma gametophytes, which comprises the following steps: at room temperature, cleaning and drying collected monostroma gametophytes which are robust in appearance, mature and not discharged with gametophytes in the shade, sealing the monostroma gametophytes in a zip-lock bag, storing the monostroma gametophytes at 4 DEG C in darkness, soaking the monostroma gametophytes in disinfected seawater which is 90-900 times of the mass of the monostroma gametophytes in the mass of the monostroma gametophytes, and culturing the monostroma gametophytes under the conditions of temperature, humidity and discharging gametes after standing. According to the method, the mature monostroma gametophyte is treated, the discharge time of the monostroma gametophyte is delayed by 3-15 days compared with normal discharge time, the gametophyte can discharge 100% of gametophyte, and the discharge amount of the gametophyte is not obviously different from that of the gametophyte which is dried in the shade, 4 DEG C and treated in the dark. The method is simple and convenient to operate, and has the advantages that the collection of monostroma gametes is delayed, the summer time of monostroma sporophytes is effectively shortened, the labor intensity of summer management is reduced, and the cultivation production cost is reduced.

The invention discloses a carbon content detection system in an environment, which relates to the field of carbon dioxide concentration detection, and comprises a carbon dioxide detection tower and a control terminal. The control terminal comprises an anti-seismic base, a protective body is fixedly provided on the upper end surface of the anti-seismic base, a main control integrated block is arranged in the protective body, and a hydraulic telescopic rod is fixedly provided on the upper end surface of the protective body. The invention detects the carbon dioxide concentration at different heights in the atmospheric environment, so as to fully understand the carbon dioxide situation in the environment, and at the same time, it can know in real time which time period has the highest carbon dioxide emission and which height has the most reduced carbon dioxide concentration, so as to prescribe the right medicine to accurately carry out carbon dioxide emission and carbon dioxide removal for efficient management, greatly improve the efficiency of reducing the carbon dioxide concentration, and at the same time, effectively maintain the carbon dioxide concentration in the atmospheric environment.

This invention belongs to the field of hard carbon technology, specifically relating to a bamboo-based and lignin-based hard carbon composite material, its preparation method, and its applications. The process involves pretreating raw materials to obtain pretreated material; pretreating the pretreated material with an acidic oxidant to obtain acidic oxidant pretreated material; pre-oxidizing the acidic oxidant pretreated material to obtain pre-oxidized material; pre-carbonizing the pre-oxidized material under a protective atmosphere to obtain pre-carbonized material; pulverizing the pre-carbonized material to obtain pulverized material; acid washing followed by water washing to obtain purified material; soaking the purified material in acid, filtering, and drying to obtain soaked material; mixing the soaked material with a modifier, and high-temperature coating and carbonizing under a protective atmosphere to obtain bamboo-based coated hard carbon or lignin-based coated hard carbon. Mixing the two types of hard carbon and carbon coating yields a bamboo-based and lignin-based hard carbon composite material, which is used in negative electrode sheets and batteries. When applied to batteries, the hard carbon composite material of this invention can improve battery energy density.

This invention provides a method for improving the microstructure and corrosion uniformity of low-temperature extruded magnesium alloys, belonging to the field of magnesium alloy preparation and processing. The method includes the following steps: S1: Cutting a low-alloy element content magnesium alloy ingot and removing the surface oxide layer to obtain a cast sample; S2: Performing pulsed current homogenization treatment on the cast sample; S3: Removing the surface oxide layer from the homogenized alloy to process it into an extrusion billet; S4: Performing low-temperature extrusion treatment on the extrusion billet under pulsed current assistance. This invention improves the microstructure and corrosion uniformity of low-temperature extruded magnesium alloys while ensuring high strength and plasticity, and is suitable for the efficient and energy-saving preparation of biodegradable magnesium alloy extruded bars and sheets.

The utility model discloses a kind of anti-falling board auxiliary jig structures for small size PCB production, it is related to auxiliary jig technical field, and it includes: substrate bearing plate, multiple support platforms and multiple drainage open area are equipped on the substrate bearing plate, the end of the support platform is provided with clamping point, the lower side notch of the drainage open area extends to the bottom surface of substrate bearing plate, the upper side four corners of the substrate bearing plate are all installed with support seat, adjusting screw is screwed through in the support seat, the inner end of the adjusting screw is rotatably connected with clamping piece, gauze is laid on the substrate bearing plate, and the four corners of the gauze are connected with four clamping pieces respectively. The utility model is cooperatively designed by gauze and drainage open area, and gauze tension offsets water flow impact force, prevents PCB board displacement, and drainage open area accelerates liquid discharge, compared with traditional single anti-falling board structure, reduces the downtime of cleaning process.

The invention discloses a method suitable for discharging residual iron during blowing out of a large blast furnace, which comprises the following steps: furnace washing operation before blowing out: physical furnace washing and chemical furnace washing are adopted for improving the flowability of the residual iron and reducing the residual quantity of condensed iron in a hearth; operation and furnace temperature control in the furnace shutdown process of the drop stock line: controlling the smelting process before the furnace shutdown so as to ensure the temperature of molten iron during the furnace shutdown; and discharging the residual iron after the furnace is shut down: promoting the discharge of the residual iron by supplying air and increasing the pressure in the furnace. According to the method, through furnace washing operation before blowing out and operation and furnace temperature control in the stockline drop blowing out process, the liquidity of residual iron is improved, the residual quantity of solidified iron in a hearth is reduced, and the temperature of molten iron during blowing out is ensured; and after the furnace is shut down, discharging of the residual iron is promoted by supplying air and increasing the pressure in the furnace.

The application provides a combined power system based on a methanol fuel cell auxiliary power device and a turbofan main engine, which is applied to the field of aviation power technology and comprises a fuel supply system, a heat exchanger, a preheater, a methanol fuel cell auxiliary power device system and a turbofan engine core system; the fuel supply system is connected with the methanol fuel cell auxiliary power device system and the heat exchanger respectively; the heat exchanger and the methanol fuel cell auxiliary power device system are connected with the preheater; and the preheater is connected with the turbofan engine core system. The methanol fuel cell auxiliary power device can utilize the electric power generated by the fuel cell to drive an electric auxiliary turbocharger to generate high-pressure gas when the main engine is started, so that the high-pressure gas is led to the combustion chamber of the main engine and the combustion efficiency is improved; on the other hand, the electric power generated by the fuel cell can be utilized to preheat the fuel led to the main engine, so that the atomization quality of the fuel is improved and the combustion efficiency is further improved.

The present application provides a submerged rotating single axis, which relates to the technical field of electric spark forming machines, including: a main sealing cover is provided on one side of a box body; a driving mechanism is located inside the box body, and a harmonic reducer is installed at the output end; a transmission mechanism includes a rotating main shaft; a fixed seat and an air circuit adapter are respectively sleeved on the rotating main shaft; the fixed seat is connected to the air circuit adapter and the harmonic reducer; the air circuit adapter is connected to the fixed seat and the main sealing cover; a protection mechanism includes an air inlet pipe and an oil drain pipe; the air inlet pipe is respectively connected to the fixed seat and the air circuit adapter and communicates with the inner cavity of the box body; one end of the oil drain pipe extends to the bottom of the inner cavity of the box body, and a vacuum generator is installed at the other end; the fixed seat and the main sealing cover are connected through the air circuit adapter, and the connection between the fixed seat and the harmonic reducer is coordinated to form not only a shaft sleeve for the rotating main shaft, but also a sealing structure; the positive pressure protection of the box body seal and the positive pressure protection at the main sealing cover can be effectively realized.

The present invention provides a dehumidifying Chinese medicine combination preparation and a preparation method thereof. Six Chinese medicine materials, including tulip, lotus stem, bitter melon root, white orchid, red cang vine and osmanthus, are ultrafinely ground, and the cells are broken and then steamed at high temperature and high pressure. The obtained Chinese medicine steaming liquid is spray dried, and the powder obtained is collected and directly made into powder packaging or into any one of capsules, tablets and granules. The Chinese medicine preparation method of the present invention is simple, can make full use of the medicinal materials themselves, can effectively and quickly dehumidify through the synergistic effect of each Chinese medicine, and has low use cost. 15 grams are taken each time. Take it twice a day with warm water, and it can effectively dehumidify after 5 days.

The embodiment of the invention provides a method for preventing crystallization of a hot plate exhaust pipeline of a gluing developer and the exhaust pipeline, and the method comprises the following steps: determining the use amount of a solvent which is suitable for dissolving a solute component separated from photoresist; atomizing the solvent to form solvent spray; and discharging the solvent spray to an exhaust pipeline to dissolve the solute component separated from the photoresist, and discharging a mixture of the solvent spray and the solute component from the exhaust pipeline. By adopting the scheme, the discharge of the photoresist volatile matters can be effectively promoted, so that the photoresist volatile matters can be prevented from crystallizing and accumulating in the exhaust pipeline and blocking the exhaust pipeline, and the probability that the semiconductor device generates defects can be reduced. In addition, the labor cost and the time cost for cleaning the exhaust pipeline can be reduced.

The invention discloses an integrated energy system optimization operation system and method considering demand response under a carbon transaction mechanism. The method comprises the steps of optimizing an initial electrical load value and an initial thermal load value of an integrated energy system according to a preset price elasticity matrix and an adjustment weight coefficient to obtain a corresponding electrical load optimization value and a thermal load optimization value; equivalently optimizing the electrical load optimization value and the thermal load optimization value by using a preset equivalent replacement proportionality coefficient to obtain an equivalent electrical load optimization value and an equivalent thermal load optimization value; the total carbon emission amount is obtained according to the output power of the gas equipment and the unit power emission factor, and the carbon market transaction cost corresponding to the total carbon emission amount is obtained through a carbon transaction cost expression; constructing a total cost minimization objective function according to the operation and maintenance cost of all the devices, the preset energy purchase cost and the carbon market transaction cost; and setting a constraint function optimization total cost minimization objective function based on the basic operation data, the equivalent electric load optimization values and the equivalent thermal load optimization values of all the equipment.

A color conversion member in an aspect of the present invention is a color conversion member that converts incident light into light of a wavelength different from the wavelength of the incident light, and includes at least the following (A) layer and (B) layer. The (A) layer is a color conversion layer containing: at least one organic luminescent material that emits delayed fluorescence; and a binder resin. The (B) layer is a layer having an oxygen permeability of 1.0 cc / m2·day·atm or less.

The invention provides supercritical extraction and separation equipment applied to the field of supercritical equipment, through the arrangement of a pressure reduction pipe bundle, when a supercritical fluid is changed into a gas state through temperature rise and pressure reduction, the pressure of gas overflow can be effectively dispersed, on one hand, gas concentrated on one pipeline in the prior art is dispersed into a plurality of pressure expansion pipes, and on the other hand, the pressure of the gas is reduced; on the other hand, under the action of the gas pressure, the multiple pressure expansion pipes gradually expand and abut against one another, the ventilation capacity of the pipeline in unit time can be increased, gas emission is accelerated, the multiple expanded pressure expansion pipes can also conduct mutual extrusion action, and then part of outward pressure of gas is offset; and the pipeline is further protected and is not easy to damage.

The utility model discloses an asphalt pavement asphalt content detection sample drilling device, which relates to the field of drilling devices and comprises a sleeve, a motor is fixedly mounted at one end of the sleeve, a rotating rod is movably mounted at one end of the motor, a spiral blade is sleeved on the outer side of the rotating rod, and a partition plate is fixedly mounted at one end of the rotating rod. And a movable rod is movably installed in the sleeve, a steel cable is installed on one side of the movable rod, a discharging opening is formed in one side of the sleeve, a scraping plate is movably installed at one end of the discharging opening, and a sliding block is fixedly installed at one end of the scraping plate. According to the material taking device, the scraping plate and the movable rod are arranged, the movable rod can be driven to rotate by rotating the rotating rod in the material taking process, so that the scraping plate moves, the first spring is extruded to reset when the scraping plate moves, and at the moment, the scraping plate reciprocates at the position of the material outlet; and the asphalt staying at the position of the discharge port is scraped, so that the discharge of the asphalt can be accelerated, and the working efficiency is improved.

The application discloses a bacteriostatic sunscreen self-dehumidifying mask, and relates to the technical field of masks.The bacteriostatic sunscreen self-dehumidifying mask is characterized by a three-layer gradient structure of a hydrophobic layer, a hydrophilic layer and a photothermal layer, synergistic effect of the three layers, efficient directional migration of water under a one-way moisture guiding mechanism, rapid evaporation and self-dehumidification realized in combination with the light-heat conversion characteristics of the photothermal layer, significant reduction of moisture accumulation in the mask, avoidance of facial moisture and bacterial breeding risks during wearing, and improvement of overall comfort and hygiene level.The air vent is located at the lower side to guide the directional circulation of air flow, reduce facial discomfort, and the user can fix the mask through a detachable plastic frame, replace the composite moisture-absorbing gel module conveniently, and ensure long-term and efficient protection.

The utility model relates to the technical field of washing machine drainage valves, in particular to a washing machine drainage valve with a drainage acceleration structure, which comprises a main drainage pipe, a valve body is arranged on the upper surface of the main drainage pipe, a top ring is arranged on the top surface in the valve body, and a pressure sensor is arranged in the top ring. A telescopic cylinder and a spring body are sequentially arranged on the lower surface of the top ring from left to right; and the piston ring is installed on the lower surface of the spring body, and the piston ring is matched with the valve body. Certain pressure can be generated on the pressure sensor through compression of the spring body, after the pressure sensor senses the pressure, the pressure sensor sends out an electric signal to start the telescopic rod to ascend, and therefore the telescopic rod can drive the side block and the check block to ascend in the acceleration frame, and an opening in the acceleration frame is opened; water discharge can be accelerated, the overall discharge effect is good, and frequent manual operation is not needed.

The utility model provides a premixer and a device for preparing phenylglycine through continuous acidification, and belongs to the technical field of chemical equipment, the premixer comprises a premixer shell, one end of the premixer shell is provided with a first liquid inlet and a second liquid inlet, and the other end of the premixer shell is provided with a mixed liquid outlet; and a mixing structure is arranged in the premixer shell. The device comprises a premixer, an acidification kettle and an external heat exchanger which are connected in sequence. According to the device for preparing phenylglycine through continuous acidification provided by the utility model, the premixer is adopted to pre-mix a decolorizing solution and sulfuric acid, and the decolorizing solution and sulfuric acid are continuously stirred and temperature is controlled in the acidification kettle, so that the purposes of reducing acidification retention time, reducing temperature control time and achieving continuous operation can be achieved, the acidification effect and stability are improved, the operation steps are reduced, and the production cost is reduced. The use quantity and the land area of the acidification kettle are reduced, stable and continuous acidification production of phenylglycine can be realized, the production stability and the production efficiency are improved, the product quality is improved, and the product production cost is reduced.

The utility model discloses a nano powder screening machine, and belongs to the technical field of ceramic powder screening. A nano powder screening machine comprises an ultrasonic generator and further comprises a funnel, a vibrating screen is arranged on the funnel, a screen mesh is arranged in the vibrating screen, and the output end of the ultrasonic generator is connected with the vibrating screen through a cable; the discharging pipeline is fixedly arranged at the bottom of the funnel, a bent pipe is fixedly arranged in the discharging pipeline, an air inlet pipe communicated with the bent pipe is arranged on the discharging pipeline, and an outlet of the bent pipe faces an outlet of the discharging pipeline; the ultrasonic generator is combined with the vibrating screen, ultrasonic vibration is formed, powder can be dispersed before mixing, the agglomeration phenomenon is avoided, the bent pipe is fixedly arranged in the discharging pipeline, materials can be prevented from being agglomerated and accumulated in the discharging pipeline, discharging of the materials is accelerated, the discharging pipeline is prevented from being blocked, and the service life of the discharging pipeline is prolonged. The use effect is improved.