4results about How to "Optimize dwell time" patented technology

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 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.