18results about How to "Solving Mixing Problems" patented technology

The invention discloses an electrochemical system and method for treating nitrogen-containing organic wastewater based on a double-sided cathode. The electrochemical system comprises a reactor, an aeration device, a power supply, an anode and the double-sided cathode, and the double-sided cathode is prepared by loading a functional catalyst through a double-sided rolling coating process. Under the condition of not adding exogenous iron ions and H2O2, the side, with the electro-catalytic degradation function, in the double-sided cathode generates. OH in situ through the oxygen reduction reaction of two electrons and the electro-Fenton process, so that efficient degradation of organic pollutants is realized; meanwhile, NO3 <-> can be converted into N2 to be discharged under the synergistic effect of the sides, with the denitrification function, of the DSA and the double-sided cathode, organic pollutants and total nitrogen are synchronously removed, the denitrification function and the electrocatalytic degradation function are integrated in the single cathode, the device is more compact and efficient, the current efficiency and the mass transfer efficiency are improved, and the device is suitable for large-scale popularization and application. The complexity and the occupied area of the system are reduced, and the energy consumption and the operation cost are reduced.

The invention discloses a double-zeolite system composite catalyst and a preparation method and application thereof, and belongs to the technical field of synthesis of hydrocarbon compounds, the double-zeolite system composite catalyst is composed of a methanol synthesis catalyst and two molecular sieves with different product tendencies, the two different products refer to propane and butane, and the molecular sieves comprise beta, SSZ-13 and SAPO-34. According to the invention, carbon dioxide and hydrogen are used as raw materials, a ZnCr bimetallic catalyst and two molecular sieves with different product tendencies are compounded to form the bifunctional catalyst, the liquefied petroleum gas is directly synthesized under the reaction conditions of 350 DEG C and 5 MPa, and accurate regulation and control of the relative proportion of propane and butane in the LPG product can be realized. By regulating and controlling the relative mass of the double molecular sieves and accurately controlling the relative content of propane and butane in the LPG product, the large-range regulation of the weight ratio of propane to butane between 0.53 and 4.31 is successfully realized, meanwhile, the equipment investment can be reduced, the energy consumption can be reduced, the operation cost can be reduced, few byproducts are produced, and the economic benefit is remarkable.

The invention relates to the technical field of zirconium and hafnium separation and extraction, and discloses a zirconium and hafnium separation and extraction method and equipment, which comprises a grinding box, a leaching barrel and a purification box, and is characterized in that a leaching mixing part is arranged in the leaching barrel; and the leaching mixing part comprises a three-blade connecting plate, a first gear, a second motor, a second gear, a first connecting rod, a third gear and a fourth gear, and the top of the first gear is fixedly connected with the interior of the leaching barrel. According to the zirconium and hafnium separation and extraction method and equipment, through the use of the leaching mixing part, when mineral powder and a leaching agent which enter the leaching barrel are efficiently mixed, the leaching agent can enter the leaching barrel under the action of a feeding opening, then the mineral powder in a collecting box can be quantitatively put into the leaching barrel, and the leaching agent can be fed into the leaching barrel; the problem of how to mix leaching and mineral powder is effectively solved, the effect of higher efficiency during leaching and mixing can be achieved, and a basis can be provided for subsequent separation.

The invention discloses a sample collection device for soil ecological restoration, and belongs to the technical field of soil ecological restoration. The sample collecting device for soil ecological restoration comprises a sampling barrel used for sampling, the sampling barrel comprises a plurality of outer barrels, the outer barrels are detachably connected through connecting pieces, sliding grooves are formed in the inner side walls of the outer barrels in the vertical direction of the outer barrels, inner barrels are vertically arranged in the outer barrels, and the inner barrels are detachably connected through connecting pieces. The outer side wall of the inner cylinder is attached to the inner side wall of the outer cylinder, sliding blocks are slidably inserted into the sliding grooves and fixedly connected to the outer side wall of the inner cylinder, a driving part is fixedly arranged at the top of the inner cylinder, the top of the inner cylinder is fixedly connected with the driving end of the driving part, and a crushing part is fixedly arranged at the bottom of the outer cylinder. When the soil at different depths is sampled, the outer cylinder is retained in the sampling hole, so that soil debris around the sampling hole can be prevented from flowing into the bottom of the sampling hole, soil samples at different depths are prevented from being mixed, and the influence on subsequent soil detection is avoided.

The utility model provides a freeze-drying pretreatment device for pet food, and relates to the field of pet food. The pet food freeze-drying pretreatment device comprises a feeding hopper, the lower end of the feeding hopper is fixedly connected with a discharging bin, the lower end of the discharging bin is fixedly connected with and penetrates through a guiding bin, the left end of the guiding bin is in threaded connection with an end cover, the center of the end cover is fixedly connected with a feeding pipe, and the upper end of the feeding hopper is fixedly connected with a smashing motor; the output end of the smashing motor is fixedly connected with a smashing mechanism. According to the freeze-drying pretreatment device for the pet food, a mincing motor is started to drive a mincing mechanism to rotate so as to mince meat, the meat descends along a guide bin and enters the inner side from a square through hole of a bin changing sleeve, a driving motor is started to drive a driving gear to rotate, and the bin changing sleeve is pushed to rotate; a material guide worm piece rotates to push and extrude minced meat on the inner side to the inner side of a compaction pipe, so that the effect of pushing meat to extrude the meat on the outer side of a feeding pipe is achieved, and the problem that auxiliary materials are inconvenient to add and mix after the meat is extruded is solved.

The invention relates to the field of sealant spraying, in particular to a self-spraying type sealant spraying device which comprises a shell, a spraying device body and a spraying device body. The grip is fixed on the lower surface of the right end of the shell; the spraying part is detachably connected to the left end of the shell; the air injection part is detachably connected to the lower surface of the left end of the shell, and the air injection part communicates with the spraying part; the storage part is detachably connected to the right end of the shell and located above the grip; the storage battery is detachably connected to the bottom end of the grip; and the control unit is detachably connected to the grip, the control unit is electrically connected with the air injection part, the material storage part and the storage battery, and the control unit can control the air injection part and the material storage part to act. Due to the adoption of the adapter and the spray head, the problem of mouth shearing of a traditional spray head is effectively solved, and then the purpose of adapting to different gluing modes by replacing spray heads of different structures is achieved.

The utility model discloses grain stillage mixing equipment, which comprises a base, supporting columns and a mixing tank, the base is of an I-shaped structure, the supporting columns are symmetrically arranged on the two sides of the top of the base and are perpendicular to the base, the mixing tank is spindle-shaped, a material inlet and outlet is arranged in the middle of the mixing tank, and the material inlet and outlet is communicated with the mixing tank. The mixing tank is installed between the two supporting columns, a horizontally-arranged stirring shaft is installed in the mixing tank, and a stirring and mixing frame is fixed to the stirring shaft; only one material inlet and outlet is formed in the mixing tank, when feeding is needed, the first driving motor drives the mixing tank to rotate to enable the material inlet and outlet to be located above, and when discharging is needed, the first driving motor drives the mixing tank to rotate to enable the material inlet and outlet to be located below. In this way, the problem that part of grains do not participate in mixing can be solved.

The utility model relates to plant protein technology field especially relates to a kind of concentrated device for extracting composite plant protein, it includes: stirring drum, the inside installation of stirring drum is cleaned ring, multiple cleaning brushes are installed in the circumferential surface of cleaned ring, the circumferential surface of cleaned ring between cleaning brush is equipped with water outlet hole, water outlet hole is connected with the water inlet hole of cleaned ring top by passage, water inlet hole connects the one end of water inlet pipe, the top of cleaned ring is connected with the telescopic end of moving cylinder, the fixed end of moving cylinder is connected with L type support frame horizontal portion, the top of stirring drum is equipped with liquid inlet, the side surface of stirring drum is cleaned by cleaning brush on cleaned ring, and by being provided with water outlet hole, it can be sprayed to outside by water outlet hole in cleaning process, the inner wall of stirring drum in cleaning process can be washed, improve cleaning effect, effectively solve the problem that the tank wall of existing cleaning method is not easy to clean stirring device, influence subsequent plant protein and water mixing.

This invention relates to the field of sampling equipment technology, specifically to an intelligent sampling device for wheat distillers' grains fermentation. The intelligent sampling device includes a multi-stage sampling rod and an outer shell. The multi-stage sampling rod is composed of multiple sampling rods, which are nested and connected sequentially and slide relative to each other. The outermost sampling rod is nested inside the outer shell. Each sampling rod has a protruding conical portion in the middle of its segment, which cooperates with the buoyancy of the fermentation liquid. Both the sampling rod and the inner wall of the outer shell have grooved portions. Multiple liquid sampling ports are evenly distributed circumferentially at the conical angle of the conical portion of each sampling rod. A door is installed at each liquid sampling port, and a guide block is provided on the door. The door slides in cooperation with the grooved portion of the previous sampling rod or the outer shell through the guide block. This invention avoids sample mixing, improves sampling efficiency and accuracy, facilitates operation, and ensures sample purity.

The coulter type mixer comprises a stirring cavity, a stirring shaft and fly cutter heads, the stirring shaft stretches across the left side and the right side of the stirring cavity, the stirring shaft is arranged on the transverse center line of the stirring cavity, a first coulter and second coulters are arranged on the stirring shaft, the second coulters are arranged on the left side and the right side of the stirring shaft respectively, and the fly cutter heads are arranged on the left side and the right side of the stirring shaft respectively. The first coulters are arranged between the second left coulter and the second right coulter, the first coulters are arranged on the stirring shaft at intervals in the circumferential direction, and the fly cutter heads obliquely and upwards stretch out from the lower portion of the stirring cavity. The formula, the toner and the crushed materials are mixed on the coulter type mixer and then conveyed to the main machine, production is facilitated, the mixing speed is increased, the mixing efficiency is improved, and the problem of mixing of the formula, the toner and the crushed materials of a 300 coulter type mixer is solved.

The utility model relates to equipment for deeply replacing engine oil of an engine. The equipment comprises a shell and a steel cylinder arranged in the shell, an engine oil filling port with a sealing cover is formed in the top of the steel cylinder and is exposed out of the top of the shell; an external gas source device is connected with the gas inlet through a gas source switch, a pressure regulating valve and a three-way valve in sequence; the other path of the three-way valve is connected with an old oil purging pipeline; an engine oil outlet is formed in the bottom of the steel cylinder and is connected with a new oil filling pipeline; quick connectors are arranged at the end parts of the old oil purging pipeline and the new oil filling pipeline and can be matched and connected with an interface of an oil filter seat on an engine through matched connectors; and the steel cylinder is provided with an engine oil liquid level observation mechanism. Old engine oil, black oil sludge, colloid and oxidized aggregate remaining in an oil duct of a lubricating system can be completely blown out and emptied, the engine lubricating system is scoured and deeply lubricated through filling of new engine oil, accurate oil filling can be completed at a time, labor and time are saved, and operation is rapid and convenient.

The utility model relates to the field of auxiliary tools, and discloses a high-pressure AB glue explosion-proof extrusion device which comprises a shell, the right side of the shell is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a threaded rod, the outside of the threaded rod is in threaded connection with a sliding block, and the front side of the sliding block is in sliding connection with a sliding rod. A pressing plate is fixedly connected to the top of the sliding block, two push rods are fixedly connected to the left side of the sliding block, a cover plate is rotatably connected to the front side of the top of the shell, a stirring bottle is fixedly connected to the left side of the shell, a protection shell is fixedly connected to the top of the stirring bottle, and two extrusion openings are formed in the right side of the stirring bottle; and a mixing assembly is mounted in the protective shell. According to the AB glue extruding device, the shell, the first motor, the threaded rod, the sliding rod, the pressing plate, the push rod and the cover plate are matched with one another to drive the sliding block to work, AB glue is extruded through electric power, time and labor are saved, the AB glue extruding device is simple and convenient, the working efficiency is effectively improved, and manual extrusion is not needed.

The utility model relates to the technical field of soil sampling, in particular to a soil sampling device for forestry ecological construction, which comprises a sampling tube, lower sealing sheets are uniformly and rotatably mounted at the bottom end of the inner side wall of the sampling tube, upper sealing sheets are rotatably mounted on the lower sealing sheets, a compression ring is slidably mounted on the inner side wall of the sampling tube, and a lower sealing sheet is rotatably mounted on the compression ring. The pressure ring is rotatably connected with the upper sealing sheet, a plugging sleeve is arranged on the inner side wall of the sampling tube, a pressure rod is slidably mounted on the sampling tube, a transmission rod is mounted between the pressure rod and the pressure ring, and a sampling cover is mounted at the side end of the sampling tube; after the sampling tube is inserted into soil, the opening at the bottom end of the sampling tube can be forcibly closed, a loose desertification soil sample is reliably blocked in the tube, and meanwhile, due to the side opening type design, after the sampling tube is taken out, soil at different depths can be directly observed and accurately scraped in a layered manner through the long opening in the side wall without disturbing the sample; therefore, the desertification soil sampler is suitable for accurate sampling of desertification soil.

The invention provides a tungsten-silicon alloy material and a preparation method and application thereof. The preparation method comprises the following steps that (1) tungsten powder and silicon powder are mixed and then subjected to suspension smelting treatment, and alloy liquid is obtained; (2) the alloy liquid is subjected to forming and outer circle grinding treatment, and a tungsten-silicon alloy cast ingot is obtained; and (3) the tungsten-silicon alloy ingot is subjected to ion rotating electrode atomization powder processing, and the tungsten-silicon alloy material is obtained. According to the method, the problems of mixing and homogenization of tungsten and silicon in the melting process can be effectively solved, the oxygen content in the alloy is reduced, the purity of the alloy is improved, the strength of the cast ingot is improved, and the problem that the cast ingot is broken in the atomization powder manufacturing process of the ion rotating electrode is solved.

The present application provides an oxygen system scheduling optimization method based on deep reinforcement learning hybrid action space, comprising the following steps: oxygen system scheduling optimization; drl-based method; results and analysis. The present application is based on deep reinforcement learning, and proposes an HAC algorithm for solving the oxygen system scheduling problem. The proposed algorithm extends the actor network of the AC algorithm, and designs an additional segmented reward function according to the market time-of-use electricity price. The HAC algorithm solves the mixed problem of discrete variables and continuous variables, and realizes energy saving and emission reduction while improving economic benefits. Experimental results show that the HAC algorithm places the scheduling problem in a hybrid action space, avoiding the problem of suboptimal action selection. Compared with the traditional algorithm, the HAC algorithm significantly improves the convergence and accuracy of the algorithm, making the oxygen system have higher oxygen utilization rate and economic benefits.

The present application relates to a kind of material control systems for crystallization kettle, including crystallization kettle, feeding tank and the feeding mechanism being set above crystallization kettle, feeding mechanism includes distribution component a, distribution component b and drive assembly, distribution component a and distribution component b slide in feeding tank, drive assembly drives distribution component a and distribution component b to do reciprocating transverse motion and control the amount of feeding by switching with the connection between feeding pipeline;Cleaning component a and cleaning component b all include water reservoir, distribution component a and distribution component b are cleaned by flushing under the action of water reservoir in its inside;Sliding assembly is arranged between distribution component a and distribution component b, for when distribution component a and distribution component b are not connected with feeding pipeline, material is blocked.The present application overcomes the problem that material can only be quantitatively transported, cannot control the amount of required crystallization, raw material mixing is not uniform and cannot clean the device.