74results about How to "Promotes even distribution" patented technology

The invention discloses an environment-friendly waterproof paint spraying device and method, and relates to the technical field of environment-friendly spraying, the environment-friendly waterproof paint spraying device comprises a bottom plate and further comprises a material uniformizing device, a liquid storage barrel is fixedly mounted at the top of the bottom plate, a feeding pipe is fixedly mounted at the top of the liquid storage barrel, and a discharging pipe is fixedly mounted on the circumferential surface of the liquid storage barrel; a high-pressure pump is fixedly installed on the left side of the discharging pipe, a hose is arranged on the right side of the high-pressure pump, a high-pressure spray head is arranged at the end, away from the bottom plate, of the hose, and the material uniformizing device comprises a servo motor, a stirring rod, a hollow rod, a driving rod, a stabilizing block, an arc-shaped plate and an extrusion block; the coating in the liquid storage barrel can be effectively turned over through the reciprocating movement of the cambered surface plate, and the coating is prevented from being precipitated or layered in the storage process, so that the quality of a sprayed coating is improved, and the phenomenon of bubbles or uneven spraying is reduced.

The invention provides a novel all-vanadium redox flow battery without an electrode frame, which comprises two end plates on the outer side, two insulating plates and two collector plates which are sequentially arranged between the two end plates, and at least one integrated bipolar plate arranged between the two collector plates, a pair of electrodes and a proton exchange membrane are sequentially arranged on two sides of the integrated bipolar plate; the integrated bipolar plate comprises a bipolar plate body and electrolyte flow channel areas arranged in the middles of the two side faces of the bipolar plate body respectively, electrode grooves used for embedding electrodes are formed in the two side faces of the integrated bipolar plate, and the two electrodes are arranged on the outer side of the positive electrolyte flow channel area and the outer side of the negative electrolyte flow channel area respectively. The electrode frame, the electrode tank, the bipolar plate and the reaction flow channel region of the flow battery are integrally formed, the integration level is high, the bipolar plate is high in conductivity and excellent in mechanical property, and the electric pile performance of the flow battery is improved.

The invention discloses a wire electrode workpiece differential synchronous fluctuation micro-electrolysis wire cutting machining method which comprises the steps that a wire electrode and a workpiece conduct synchronous fluctuation and differential movement at the same time, and synchronous fluctuation is continuous swing that the wire electrode and the workpiece incline upwards and downwards synchronously; the synchronous fluctuation of the line electrode and the workpiece enables the electrolyte in the machining area to flow along the reverse direction of the synchronous fluctuation, so that the machined product is scoured and flows out by the electrolyte along the reverse direction of the synchronous fluctuation; the differential motion is the same-direction differential motion of the line electrode and the workpiece in the machining direction, so that the line electrode and the workpiece are in a different-speed chasing type motion state in the machining direction, real-time transposition of a machining area is achieved, and electrolyte in a machining gap is updated; the device has the advantages that machining products in machining gaps are thoroughly scoured in all directions, electrolyte in the machining gaps fully flows, uniform distribution of conductivity is improved, and machining stability, machining precision and machining efficiency are improved.

A grouting and jolt ramming device for aerated brick production relates to the technical field of aerated brick manufacturing and comprises a portal frame, a grouting mechanism and a jolt ramming mechanism. A grouting mechanism is arranged at the top of the portal frame and comprises a rectangular grouting pipe and flow dividing flashboards, oblique notches are formed in the two sides of the bottom of the rectangular grouting pipe correspondingly, and the flow dividing flashboards used for sealing the two oblique notches and an opening in the bottom of the rectangular grouting pipe are arranged at the positions corresponding to the two oblique notches correspondingly. The positions, close to the top, of the two sides of the flow dividing gate plate body are correspondingly connected with the rectangular grouting pipes in an overturning mode through hinge shafts. A pipe body of the rectangular grouting pipe is provided with a telescopic cylinder I for controlling the opening or closing of the two shunting flashboards; the jolt ramming mechanism comprises a hanging bracket connected with the portal frame in a lifting mode, and a plurality of vibrating rods are arranged on the outer side, corresponding to the grouting mechanism, of the hanging bracket in an array mode. Slurry can be shunted to the two ends of the aerated brick mold through the shunting gate plate, so that the effect of uniformly distributing the slurry in the mold can be improved, and the grouting efficiency is improved.

The utility model relates to the technical field of aluminum material heating, and discloses an aluminum bar heating furnace which comprises a heat-resisting plate, a heating frame, a heat insulation box body, a first baffle and a second baffle. Six heating channels are uniformly arranged on two opposite surfaces of the heat-resisting plate in a penetrating manner; the heating frame sleeves the heat-resisting plate in the length direction of the heating channel; the heating frame is sleeved with the heat insulation box in the length direction of the heating channel. The first baffle and the second baffle cover an inlet and an outlet of the heating channel respectively, and when the aluminum bar heating furnace performs feeding or discharging, the first baffle and the second baffle are opened to expose the heating channel; the heat-resisting plate serves as a loading body of aluminum bar materials, the six heating channels are evenly arranged in a penetrating mode, multiple aluminum bars can be heated at the same time, the production efficiency is greatly improved, the heat-resisting plate is sleeved with the heating frame in the length direction of the heating channels, it is guaranteed that heat transmitted to the heat-resisting plate in the heating process is highly evenly distributed, and the heat efficiency is improved. The problem of local overheating or non-in-place heating is effectively avoided, and the heating quality of the aluminum bar is guaranteed.

The invention relates to the technical field of lithium batteries, and discloses a ZIF-derived high-nano-silicon-loaded silicon-carbon negative electrode material, a preparation method and a battery, and the preparation method comprises the following steps: S1, surface modification of nano silicon; s2, preparing a ZIF precursor solution; s3, mixing the surface modified nano silicon with the ZIF precursor solution, and compounding by adopting mechanical ball milling; and S4, carrying out carbonization treatment on the composite material to prepare the ZIF-derived high-nano-silicon-loaded silicon-carbon negative electrode material. According to the preparation method disclosed by the invention, high-uniformity distribution of nano silicon in a carbon-based skeleton is realized based on a mechanical ball-milling method by modifying the surface of the nano silicon, optimizing the structural design of a ZIF material and introducing a silicon precursor, and a carbon network with excellent conductivity is formed by controlling a carbonization process, so that the electrochemical performance and the cycling stability of the composite material are remarkably improved.

The invention discloses a micro-nano bubble generation system and method based on steam jet condensation, and relates to the technical field of bubble generation. In order to solve the technical defect that multiple micro-nano bubble generation methods exist in the prior art, but a micro-nano bubble generation method based on steam jet condensation is lacked, the technical scheme provided by the invention is as follows: the micro-nano bubble generation device comprises a steam source for providing steam with set temperature and pressure, and the steam source is connected to a mixing pipeline; the non-condensable gas source is used for providing non-condensable gas with set pressure and flow, and the non-condensable gas source is connected to the mixing pipeline; the mixing pipeline is used for mixing the steam output by the steam source with the non-condensable gas output by the non-condensable gas source to form mixed gas; the jet flow nozzle is connected to the mixing pipeline and is used for spraying the mixed gas to a liquid pool at a set speed; and the liquid pool is used for containing condensed liquid. The micro-nano bubble generator is suitable for micro-nano bubble generation based on steam jet condensation.

The invention relates to the technical field of metal processing, and discloses a sofa metal accessory processing device which comprises a base, a supporting seat is fixedly connected to the side wall of the base, an abrasive container is fixedly connected to the interior of the supporting seat, a protective shell is slidably connected to the top of the base, and a clamping mechanism is rotatably connected to the interior of the protective shell. The side wall of the abrasive container is fixedly communicated with an electric control rotary nozzle, a dispersing column, a first fillet block and a second fillet block are driven to synchronously move by matching with rotation of a gear, so that the abrasive is uniformly distributed, blockage is prevented, the first fillet block and the second fillet block scatter the abrasive from two opposite directions, and the service life of the abrasive is prolonged. According to the feeding device, the agglomeration phenomenon of the grinding materials is effectively avoided, the distribution uniformity of the grinding materials in the grinding material container is improved, the risk of blockage is reduced, and the centrifugal scattering feeding assembly is beneficial to improving the working environment of the feeding device and the grinding material container and prolonging the service life of the feeding device and the grinding material container.

The utility model relates to the technical field of boiler feeding, and discloses an improved structure of a boiler feeding device, a feeding assembly is arranged in a feeding bin, and the feeding assembly comprises a machine base, a motor, a synchronous main wheel, a synchronous auxiliary wheel, a synchronous belt, a connecting rod and a roller. The machine base is installed on the outer wall of the feeding bin, the motor is installed on the machine base, the synchronous main wheel is connected with the output end of the motor, and the synchronous auxiliary wheel and the synchronous main wheel are adjacent and connected through the synchronous belt. The connecting rod is connected with the synchronous auxiliary wheel shaft hole, penetrates through the bin wall and extends inwards. And a spiral blade is sleeved outside the roller. By increasing the space between the spiral blades and adapting to the local fuel market, the technological process of boiler fuel supply and in-boiler fuel combustion is guaranteed, the particle space requirement of yellow rod type fuel is met, the blending proportion of straw type fuel is increased to 50% or above, the uninterrupted supply amount of boiler combustion fuel is met, and the small dip angle design of the front wall of a stock bin in front of the boiler is achieved. The problems of wall hanging and material blocking of biomass fuel are solved.

The invention belongs to the technical field of release paper processing, and particularly relates to a preparation process of chemically synthesized release paper, which not only enhances the uniform distribution of a coating, but also promotes the formation of new chemical bonds by introducing a nonionic surfactant for modification treatment and combining with a specific ultraviolet irradiation step. The stability and durability of the release paper under a high-temperature condition are obviously improved. Besides, close combination between the new coating and the old coating is ensured by a method of combining secondary heating and ultraviolet photograph, and the overall performance of the finished release paper is further improved, so that the release paper can keep excellent demolding characteristics in a wider temperature range. Finally, the innovative preparation process enables the release paper product to be more suitable for being used in a high-temperature environment with harsh requirements, and the application potential of the release paper product is expanded.

A device for uniformly baking a photoresist film on the surface of a large-caliber substrate, the device mainly includes a baking system, a substrate loading and unloading system and a control system. The baking system is mainly composed of a circulating fan, a heating element, a high-efficiency filter, a baking chamber, a chamber sealing ring, a wind guide plate, an air inlet port, a return air port and a circulating air duct, a gas input port and an exhaust port. It has a cleanliness level of 100, a temperature control range of 20°C to 200°C, a chamber temperature uniformity better than ±3°C, and a temperature accuracy of ±0.5°C. The substrate loading and unloading system includes a transfer trolley and a substrate lifting device. The transfer trolley has a function of adjusting the substrate tilt at a small angle, and a guide plate is provided on the side close to the substrate near the air inlet end, which can ensure that the large-caliber sample is safely baked up and down the chamber station, and can also optimize the film baking process. The device of the present invention can realize the photoresist film baking process of a two-way meter-level size and ultra-thick substrate, and further improve its film thickness uniformity on the basis of the uniformity of the photoresist film thickness after coating.

The invention provides a preparation method of a high-performance grain boundary diffusion sintered neodymium iron boron material, and belongs to the technical field of permanent magnet materials. The low-melting-point heavy-rare-earth-free alloy coating is coated and cured on the easy-to-diffuse surface of the neodymium-iron-boron base material magnet, and the heavy-rare-earth alloy coating is coated and cured on the low-melting-point heavy-rare-earth-free alloy coating; and the coated magnet is sequentially subjected to low-temperature pre-diffusion heat treatment, grain boundary diffusion heat treatment and aging treatment, and then the grain boundary diffusion neodymium-iron-boron magnet is obtained. According to the invention, the diffusion efficiency of heavy rare earth elements can be effectively improved, the coercive force of the magnet is improved, and relatively high residual magnetism can be achieved.

The application discloses a metal part plasma detonation treatment device, which comprises a capacitive induction power supply, a reaction chamber and a detonation gun. The capacitive induction power supply comprises a ring-shaped cathode electrode, a ring-shaped anode electrode and a center electrode. The center electrode is fixedly connected with the anode electrode. The reaction chamber is a ring-shaped cavity surrounding the anode electrode. The reaction chamber separates the cathode electrode from the anode electrode. The detonation gun is connected with a detonation gun ring chamber and is used for introducing combustible gas and performing periodic detonation. The nozzle is connected with the ring-shaped cavity and is used for introducing alloy elements. The metal part plasma detonation treatment device improves the hardening effect of the device on the metal surface, improves the uniform distribution of the alloy elements, and improves the modification quality and productivity of the workpiece surface.

The invention discloses a manufacturing method of a lead-tin-copper alloy-steel bimetal plate. The manufacturing method comprises the following steps that lead-tin-copper alloy powder is flatly laid on a steel plate; placing the steel plate on which the powder is laid in a mesh belt sintering furnace, raising two ends by using cushion blocks, and carrying out primary sintering; rolling the primary sintered plate, and then carrying out secondary sintering on the primary rolled plate; and the secondarily sintered plate is rolled and then leveled, and a finished plate is obtained. The cushion blocks are adopted in the mesh belt sintering furnace to block up a steel plate, so that fluctuation of a temperature field is accelerated, the temperature field is promoted to keep high uniformity, and the quality of a sintered plate is improved; according to the method, the primary sintering temperature and the secondary sintering temperature are controlled, so that the lead loss is reduced, the quality of a sintered product is ensured, and the sintering efficiency is improved. According to the manufactured lead-tin-copper alloy-steel bimetallic plate copper alloy, the particle size of lead is reduced, distribution is uniform, and the frictional wear performance is improved.

The present invention relates to the technical field of flame retardant production, specifically a flame retardant production and processing mixer, comprising a main material mixing barrel, a turnover chassis, an auxiliary material adding box and a secondary mixing barrel; a material guide output box and a heating positioning box are respectively arranged at both ends of the table of the equipment machine, and the barrel of the main material mixing barrel is installed between the material guide output box and the heating positioning box; a main barrel support frame is also arranged on the table of the equipment machine, and the main barrel support frame is limited and erected on the main barrel support frame; the turnover chassis is erected on the bottom bracket and connected to the output end of the material guide output box; the auxiliary material adding box is arranged on the side edge of the equipment machine, and the inner cavity of the auxiliary material adding box is provided with an inner flip assembly, and the output end of the auxiliary material adding box extends downward to be connected with the secondary mixing barrel, and a secondary mixing mechanism is arranged in the secondary mixing barrel. The present invention improves the controllable degree of mixing of main materials and auxiliary materials, ensures the highly uniform distribution of flame retardant components, and makes the quality of the final product more excellent.

The invention discloses a microbial agent fermentation method, and relates to the technical field of microbial agent ferment.The microbial agent fermentation device comprises a body, a shell is fixedly connected to the top face of the body, a discharging component is arranged at the bottom of the body, two ventilation pipes are arranged on the side wall of the body, a feeding pipe is fixedly connected to the side wall of the body, and two stirring assemblies are arranged in the body; two groups of stirring components are arranged in the shell, mixing components are arranged below the two groups of stirring components, the stirring components are arranged in the shell, the two stirring components reversely rotate and simultaneously reciprocate in the vertical direction through the arrangement of the stirring components, the mixing components are in transmission connection with the stirring components, and the mixing components are in transmission connection with the stirring components. According to the invention, through the mutual cooperation of the above structures, the effects of improving the distribution uniformity of a microbial agent and improving the fermentation efficiency are achieved.

This utility model discloses a water flow distribution device for rice irrigation, including an irrigation pipe, connecting rings fixedly installed on both sides of the irrigation pipe, an adjustment device fixedly installed on the top surface of the irrigation pipe, a fixing device fixedly installed on the outer periphery of the adjustment device, a support platform fixedly installed on the top surface of the adjustment device, and a diversion device fixedly installed on the top surface of the support platform. A solar panel provides power to a motor, which rotates to drive a rotating shaft, which in turn drives a rotating plate. The rotating plate rapidly diverts the water flow inside the water distribution seat into a diversion pipe, and the diversion nozzles evenly irrigate the water flow inside the diversion pipe. This device facilitates convenient and uniform water flow distribution, enabling the water flow to be evenly delivered in all directions for large-area irrigation. By pushing the support platform, the support platform drives an irrigation adjustment rod, which moves out of the irrigation column to a suitable height. Rotating the adjustment knob connects the adjustment knob to the corresponding adjustment hole, allowing the device to be easily adjusted to different heights according to the rice plants.

The present invention provides a multi-element, regionally doped, cobalt-free positive electrode material, which has a molecular formula of LixNiaMnbAlcMgdWeO2, wherein 0.95≤x≤1.1, 0.5≤a≤0.9, 0.1≤b≤0.5, 0<c≤0.01, 0<d<0.01, 0<e≤0.01, and a + b = 1. The positive electrode material comprises an Al-doped region, an Mg-doped region and a W-doped region in an order from the inside to the outside. Also provided is a method of preparing the positive electrode material. The cobalt-free positive electrode material of the present invention can better adapt to a stress release by the positive electrode material regionally doped with Al, Mg, and W elements, achieving a moderate adjustment and avoiding imbalance, so that the material has more stable structure, and better rate performance and cycle performance. The method of preparing the material has a simple process, is easy to implement, and can stably prepare a positive electrode material with excellent structure and performance.

The utility model belongs to the technical field of calcium carbonate preparation, and particularly discloses an auxiliary device for calcium carbonate preparation, which comprises a filter box, the inside of the filter box is fixedly connected with a filter belt with a V-shaped end through a fixing frame, one side of the filter box is provided with a passing port, and a collecting plate is arranged below the passing port. And the collecting plate is fixedly connected to one side of the filtering box, and the bottom of the filtering box is fixedly connected with a flowing part. According to the utility model, the transmission extrusion component is arranged to strike the filter belt to generate rhythmic vibration, so that filtered matters on the filter belt fall down along the inclined surface on the filter belt, and meanwhile, emulsion contained in the filter belt is quickly separated through continuous striking; according to the design, accumulation of lime blocks and impurities on the surface of the filter belt is avoided, so that the service life of the filter belt is remarkably prolonged, the filter efficiency is improved, expansion of the filter belt can be caused, and the dripping efficiency of emulsion is improved.

The utility model relates to the technical field of reactors, and provides a hydrogenation reactor with uniformly distributed hydrogen, which comprises a reactor body, a cover body is fixed at the top end of the reactor body, and a filter structure is mounted on one side of the top end of the cover body. By arranging the filtering structure, under the action of the flange plate, external connection of hydrogen is facilitated, when the clamping block moves into the clamping groove, the box cover and the filtering box are mutually fixed at the moment, the hydrogen enters the filtering cylinder through the air inlet pipe, under the action of the filtering cylinder, the hydrogen is conveniently filtered, the filtered hydrogen enters the device body through the connecting pipe, and the filtering effect is good. And a box cover is moved through a handle, so that the box cover drives a clamping block to move to the outer part of a clamping groove, at the moment, the box cover and the filter box are separated from each other, so that the filter cartridge is cleaned, the function of preventing blockage of the device is realized, and the applicability of the hydrogenation reactor with uniform hydrogen distribution in use is improved.

The present application relates to the technical field of catalyst, and particularly discloses an iridium catalyst and preparation and application thereof, the present application utilizes a small amount of oxalic acid to regulate and control the hydrolysis kinetics of iridium precursor, step-by-step accurately controls pH and temperature, in-situ precipitates and anchors hydrated iridium hydroxide precursor on the surface of the carrier, and ensures that the iridium species realizes uniform distribution in the subsequent precipitation process. By using the two-step heat treatment method of stabilization and ultralow-temperature reduction, sodium chloride crystals are induced to precipitate as a pore-forming agent, the active phase of elemental iridium is accurately controlled at 5-8 nm through the space confinement effect, the active point site agglomeration caused by high-temperature sintering is avoided, and the sodium chloride is removed through subsequent acid washing to construct a rich pore structure, the structure makes the catalyst have significant advantages in electrochemical impedance spectrum analysis, stability test electrochemistry and polarization performance test, and realizes high dispersion, high activity, high mass transfer efficiency and high stability.

The application discloses a kind of based on outlet pressure regulation's current sharing flow passage design method, for the problem of high calculation cost, experience dependence and unable to guarantee flow uniformity of existing multi-outlet flow distribution flow passage design method, the method proposes first through the explicit regulation of outlet pressure boundary condition, guide flow passage internal flow state to the uniform distribution direction evolution;After obtaining uniform flow distribution state, then based on the dynamic pressure distribution in the uniform flow field directly extracts dynamic pressure contour or equivalent surface as flow passage boundary.The application only needs limited number of flow field numerical analysis to obtain the flow passage structure still has highly uniform flow distribution performance under the condition of uniform outlet pressure, without relying on experience or carrying out multiple rounds of geometric iteration, significantly improve the design efficiency and engineering applicability of multi-outlet fluid distribution system.

The invention belongs to the technical field of heat treatment of stainless steel pipes, in particular to a heat treatment process of austenitic stainless steel pipes, S1, preheating the stainless steel pipe to 850°C to 1050°C within the phase change temperature range; S2, performing phase change induced plastic heat treatment, inducing austenite to transform into martensite by controlling the cooling rate at 20°C / s to 50°C / s, while maintaining a certain proportion of residual austenite; S3, using ultrasonic auxiliary heating with a frequency of 20kHz to 1MHz, and an ultrasonic power density of 0.1W / cm 2 ~1W / cm 2 ; S4. High-frequency induction heating is adopted with a frequency range of 20kHz to 500kHz. The pipe is evenly heated by the induction coil. The heating rate is controlled at 100℃ / min to 500℃ / min, and the heating temperature range is 900℃ to 1100℃; S5. The heat treatment process is carried out in a controllable environment, and the gas flow rate is adjusted at 5L / min to 50L / min; S6. An infrared temperature sensor is configured based on the Internet of Things, and the heating and insulation parameters are monitored in real time and dynamically adjusted through the big data analysis module.

The invention relates to the field of lithium ion batteries, in particular to a homogenizing process and application of lithium ion battery composite positive electrode slurry, and the homogenizing process method comprises the following steps: in the high-speed mixing and stirring process, adding a positive electrode material, a conductive agent, a lithium supplement agent, a binder and the like into a first slurry system and a second slurry system in sequence according to a proportion; mixing by a pipeline high-speed mixer, conveying into a stirring tank, adding partial solvent, conductive slurry, dispersing agent and the like in a spraying manner to prepare primary first slurry and secondary slurry of the positive electrode of the lithium ion battery, then conveying into a third slurry system, and adding partial solvent in proportion to perform high-speed dispersion, so as to obtain primary slurry of the positive electrode of the lithium ion battery. The preparation method comprises the following steps: stirring and dispersing at a high speed, measuring by an online viscometer, conveying to 4 / 5 / 6 / 7 of slurry, carrying out pipeline ultrasonic defoaming in the conveying process, reducing slurry bubbles, conveying to a transfer stirring tank, stabilizing, and coating, so that the slurry preparation time can be effectively shortened, the cost is reduced, and the efficiency is improved; and the distribution uniformity of the composite slurry material, the electrode impedance, the specific capacity per gram of the composite material, the rate, the cycle performance and the like are improved.

The invention provides a surface polishing system for motor stator and rotor production. The surface polishing system for motor stator and rotor production comprises a lower support and a power device, a plurality of vertical supports used for supporting are fixed to the lower support, a panel is fixedly connected to the upper ends of the vertical supports, a rotating opening is formed in the panel, and the power device comprises a supporting assembly and a power assembly. The power assembly comprises a motor used for providing power, a plurality of elastic rods fixed to the output end of the motor and rubber balls fixed to the elastic rods, the number of the supporting devices is two, the supporting devices are located on the two sides of the panel respectively, and each supporting device comprises a second lower supporting plate, a first electric push rod, a connecting block and a connecting rod. According to the surface polishing system for production of the stator and the rotor of the motor, the polishing box adopts an oval section design, so that the effective contact area of polishing is increased, and the flow characteristic between an abrasive material and the surface of a workpiece is optimized through fluid mechanics.

The application discloses a kind of composite lithium metal negative electrode material and preparation method thereof, it is related to electrochemical energy storage technical field, the method comprises: the three-dimensional porous carbon framework of pore size 50 to 500 nanometers is constructed, and 2 to 10 nanometer nitrogen-doped carbon layer is coated on its inner wall;Metal lithium is fused with lithium nitride to form lithium-rich melt;Capillary force is used to make molten lithium infiltrate into framework channel, in-situ generation and C-Li-N gradient interface phase;Lithium directional solidification is realized by programmed temperature cooling;Surface deposition 50 to 150 nanometer amorphous aluminum oxide passivation layer;Again, the final material is obtained by aging treatment.The application realizes lithium uniform loading, interface high ionic conductivity, structural integrity and high safety by the above technical scheme, significantly inhibits lithium dendrite growth, improves cycle stability and energy density consistency.

The invention provides a process gas distribution structure of a flat plate type plasma system applied to peald equipment, and relates to the technical field of plasma equipment. Comprising a vacuum cavity, a medium flat plate, an atmosphere side process pipeline and a vacuum side process pipeline, and the vacuum side process pipeline comprises a plurality of process gas pipe branches parallel to the medium flat plate so that ionized gas can be evenly distributed in the vacuum cavity; a plurality of gas holes with openings facing the medium window are uniformly distributed in each process gas pipe branch along the length direction of the process gas pipe branch, so that gas directly flows to the medium window after coming out of the process gas pipe branch, and continuously flows to the vacuum cavity after being rebounded by the medium window, and a gas rebounding area is just positioned in a high ionization area of plasma; and the ionization rate of the process gas is further improved. According to the scheme, the plasma distribution uniformity of the flat plate type plasma system can be improved.

The utility model discloses a conveying device for a cement production line, and relates to the technical field of cement conveying, the conveying device for the cement production line comprises the conveying device for the cement production line, and retarding baffles are uniformly distributed on the outer side surface of a transmission assembly. The falling speed of cement materials is further slowed down through the slowing-down baffle, the situation that the cement materials are too dense or too thin is avoided, stability and uniformity in the conveying process are guaranteed, the falling speed of the cement materials is further slowed down through the slowing-down baffle, impact force and airflow disturbance generated when the cement materials fall from a high place are effectively reduced, and the conveying efficiency is improved. The cement materials slide into the second feeding cavity through the first feeding cavity to ensure that all the cement materials fall onto the retarding baffle, and then the retarding baffle uniformly conveys the cement materials to the conveying belt in batches, so that the situation that a large amount of cement materials fall onto the conveying belt at a time to cause blockage or non-uniformity is avoided, and the conveying efficiency is improved. And the production efficiency and the production quality are improved.

The utility model relates to the technical field of heat exchangers, and discloses a heat exchanger mounting seat with a stable structure, which comprises a mounting seat body, a sliding plate is slidably connected to the top of the inner wall of the mounting seat body, a heat exchanger shell is fixedly connected to the top side of the sliding plate, and a connecting block is slidably connected to the bottom of the inner wall of the mounting seat body. A button strip is slidably connected to the middle of the connecting block, a first spring is fixedly connected to the left side of the button strip, a sliding cylinder is slidably connected to the outer portion of a button, a telescopic assembly is arranged on the top side of the sliding cylinder, and connecting plates are fixedly connected to the left side and the right side of the telescopic assembly. According to the heat exchanger, the shell of the heat exchanger can be quickly disassembled and assembled, so that a plurality of threaded rods do not need to be rotated when a plurality of heat exchangers are disassembled, the heat exchangers can slide left and right, the flowing path of fluid in a pipe bundle is changed, and then the effect of uniformly distributing the fluid is promoted.