10results about How to "Optimize dwell time" patented technology

The invention relates to the technical field of sewage discharge treatment, and discloses a sewage low-carbon treatment system based on electrochemistry and biochar, which comprises a deep treatment filter tank, an electrochemical nitrogen and phosphorus removal device, a biochar adsorption and filtration module, an intelligent control and operation and maintenance system, a slow-release agent regulation and control module and a low-carbon and resource recycling system, the advanced treatment filter tank is used for filtering sewage impurities and particles, adsorbing and removing organic matters, reducing the content of nitrogen and phosphorus nutrient substances and adapting to the change of water quality and water quantity; the electrochemical nitrogen and phosphorus removal device is used for carrying out electrochemical reaction to remove nitrate, phosphate and fluorine ions. According to the invention, the electrochemical active reaction is combined with charcoal adsorption filtration, so that the technology greatly improves the sewage treatment efficiency, especially shows a higher removal rate when treating complex pollutants, can meet higher water quality standard requirements, and effectively overcomes the difficulty that the traditional treatment technology is difficult to remove multi-element pollutants.

The invention relates to the technical field of micro-channel reaction, and discloses a micro-channel polymerization reaction process which comprises the following steps: 1, mixing a monomer, an initiator, a solvent and other additives according to a required ratio, ensuring uniform distribution, uniformly mixing by using a static mixer or an oscillator, and preparing to enter a reactor; 2, feeding the mixed raw materials into a micro-channel reactor through an accurately controlled pump; by arranging the medium inlet, uniformly mixed raw materials are fed into the vertical channels, and a medium sequentially passes through the vertical channels and the connecting channels to complete polymerization reaction. The position of the sliding pipe is adjusted through the adjusting component, the volume of the vertical channel can be dynamically increased, the requirements of fluids with different viscosities are met, meanwhile, the angle of the connecting channel is changed, the fluid path is shortened, the flowability is improved, and the retention time is optimized.

The invention provides an automatic control system of a heat treatment device, and belongs to the technical field of control. The automatic control system of the heat treatment device comprises a heat treatment furnace used for treating materials; the conveying module is connected with the heat treatment furnace and used for conveying materials into the heat treatment furnace; the detection module is used for detecting working parameters of the heat treatment furnace; the positioning module is connected with the conveying module and used for determining the material position of the conveying module; the control module is connected with the detection module, the positioning module, the heat treatment furnace and the conveying module and used for determining the working mode of the heat treatment furnace according to the material information of the materials and controlling the conveying speed of the conveying module according to the working parameters and the material positions. The heat treatment efficiency can be improved.

The utility model discloses a kind of multi-section temperature control coil of diesel cracking reactor, belong to petroleum chemical equipment technical field, it includes bearing assembly, filter component and flow rate component, three are sequentially fluidly communicated;Filter component is used to remove solid impurities in oil gas on line, flow rate component includes the sliding plate driven by electric push rod, sliding plate is rotated in the valve plate in hollow disc by rotating column, realizes the automation accurate adjustment of flow rate.The utility model is closely integrated by high-efficiency on-line filtering and accurate automatic flow rate control function, effectively solve the problem that the equipment operation is unstable, product quality fluctuation caused by the impurity blockage and flow rate control inaccuracy in prior art, significantly improve the quality and yield of cracking product, enhance the reliability of system, and make equipment maintenance more safe, convenient.

The invention provides a continuous cleaning and grading integrated treatment device for crayfish, which belongs to the field of aquatic product processing, and comprises a bearing chassis and an angle adjusting assembly for adjusting the gradient of a water filtering rotary cylinder. And the water filtering rotary cylinder is rotationally mounted between the first end seat and the second end seat and is internally provided with a shifting plate. The centering sleeve is fixed between the first end seat and the second end seat, and a rotating spindle driven by the first driving assembly is arranged in the centering sleeve. The rotating main shaft is in transmission connection with a plurality of rotating branch pipes with cleaning brushes through gears, and the second driving assembly independently drives the water filtering rotating cylinder to rotate. The device further comprises a cleaning water supply assembly and a grading assembly. According to the device, combined movement of the water filtering rotary cylinder and the inner rotary branch pipe is achieved through the dual-drive system, the functions of dynamic scrubbing, turning conveying and angle self-adaptive adjusting are coupled, cleaning dead corners are effectively eliminated, the cleanliness is improved, meanwhile, continuous automatic grading is achieved, and the production efficiency and quality consistency of crayfish pretreatment are remarkably improved.

The utility model discloses a kind of based on ultrasonic wave cooperates coarse coconut bran matrix's soilless cultivation breeding acceleration device, comprising: matrix processing unit, ultrasonic atomization system and intelligent control unit.In matrix processing unit, coarse coconut bran is formed after layer structure by steam puffing, pyroligneous acid modification, probiotic solidification, bottom layer is coconut shell charcoal particle, middle layer is modified coarse coconut bran matrix, surface layer is carbonized rice hull.Ultrasonic atomization system is composed of three-dimensional spiral flow guide pipe around matrix, high-frequency piezoelectric ceramic atomization piece group and nano bubble generating device.Intelligent control unit can dynamically adjust ultrasonic frequency and working mode, simulate day-night rhythm to adjust ultrasonic and illumination.By optimizing matrix structure and ultrasonic atomization technology, nutrient solution is evenly covered root system with micron grade fog particle, while nano bubble promotes dissolved oxygen concentration, solve the problem that traditional fog culture droplet particle size is big, root system is insufficient in oxygen supply.

The utility model relates to the technical field of household appliances, in particular to a water supply assembly and a water supply system of a refrigerator, and the water supply assembly comprises a water tank, a water valve and / or a filter which are integrated in the same shell; the water tank comprises a cylindrical water tank main body which is transversely and fixedly arranged in the shell, and the axis of the water tank main body and the horizontal plane form a set inclination angle; one end of the water tank is constructed to be a water inlet and outlet end with a water inlet and a water outlet, the water outlet is located above the water inlet, and the water inlet and outlet end is in an upward inclined state. The water inlet and outlet end of the water tank is arranged to be inclined upwards, the water outlet is formed above the water inlet, and water entering the water tank from the water inlet generally flows to the end, away from the water inlet and outlet end, of the water tank, namely the other end, close to the lower position, of the water tank under the action of the gravity of the water, and then is discharged from the water outlet; therefore, the flowing path and the retention time of the water in the water tank are increased, the water flowing out of the water outlet is ensured to be cold water which is cooled for a period of time, and the cooling effect of the water is improved.

This utility model relates to the field of pet freeze-dried material screening technology, and more particularly to a pet freeze-dried material screening device. Its technical solution includes: a housing; a feeding mechanism is provided on the top surface of one side of the housing; a screening mechanism is provided on the right side of the housing; a support component is provided at the bottom of the housing; a material control component is provided on the top surface of the feeding disc; an adjustment component is provided on one side of each screen plate; and a vibration motor is provided on the bottom surface of the housing's base plate. This utility model, through the combined use of the feeding mechanism and the material control component, achieves uniform material feeding and even material dispersion, avoiding material congestion, ensuring smooth conveying, reducing material impact on the equipment, extending service life, providing a uniform feeding basis for subsequent screening, and improving screening efficiency. By setting up the adjustment component and the guide component, the equipment can adapt to pet freeze-dried materials of different densities or forms, improving the equipment's versatility, optimizing the material residence time on the screen plate, improving screening accuracy, and working in conjunction with the guide component to ensure the stability of the screen plate adjustment.

The invention discloses a continuous preparation method for preparing a p-hydroxycinnamic acid product through lignocellulose hydrolysis, a high-pressure single-screw extruder is used as a reaction device, and the reaction device comprises a biomass feeding unit, a feed mixing module, a screw reaction unit, a heating module, a product collecting unit and a cooling module. In the feeding unit, biomass is conveyed into a mixing module through a screw, is uniformly mixed with pumped alkali liquor and then is conveyed to a heated screw reaction area. The rotating speed of the screw is adjusted to control the reaction retention time, the reaction product is cooled in the collecting tank and collected into the product storage tank, the heat and mass transfer efficiency of the reaction process is improved by utilizing the transmission and mixing effects of the screw reactor, the hydrolysis preparation of the target product from the biomass can be completed within several minutes, the production efficiency of the target product is high, and the production cost is low. Continuous production is facilitated, the operation is simple, the labor cost is low, and technical support can be provided for producing ferulic acid and p-coumaric acid through high-value utilization of agricultural and forestry wastes.

The utility model discloses a multi-stage moisture-proof safe electrical installation cabinet, which is characterized in that a cabinet body is connected with a cabinet door, and two opposite sides of the cabinet body are respectively provided with an inner ventilation opening; the two protection side covers are connected to the two opposite sides of the cabinet body respectively and provided with outer ventilation openings located below the inner ventilation openings, ventilation cavities are formed in the sides, close to the cabinet body, of the protection side covers, the upper portions and the lower portions of the ventilation cavities communicate with the inner ventilation openings and the outer ventilation openings respectively, and a first dehumidification module and a second dehumidification module which are distributed up and down are arranged in the ventilation cavities. The first dehumidification module comprises a plurality of inclined flow guide plates, a flow guide channel is formed between every two adjacent inclined flow guide plates, the second dehumidification module comprises a plurality of condensation vertical plates, a condensation channel communicated with the flow guide channel is formed between every two adjacent condensation vertical plates, and a drainage hole is formed in the bottom of the protective side cover. The power distribution cabinet is reliable in waterproof and dustproof performance, reliable in safety performance, good in heat dissipation performance, energy-saving, environment-friendly, moisture-proof and low in operation cost.