7results about How to "Guaranteed Corrosion" patented technology

The utility model provides an aluminum alloy part oxidation device, belongs to the technical field of material surface treatment, and aims to solve the problem that the oxidation effect of an aluminum alloy part is influenced by non-uniform electrolyte caused by effective component sedimentation due to long-time standing of the electrolyte of the conventional aluminum alloy part oxidation device in the anodic oxidation process. The electrolyte box is of a rectangular box-shaped structure; the gear set shell is fixedly arranged at the upper end of the front end surface of the electrolyte box; the reciprocating driving motor is fixedly arranged on the left end face of the gear set shell; the spring limiting blocks are arranged on the upper end surfaces of the two cross beams of the pendant bracket; the reciprocating rotating assembly is arranged in the gear set shell; and the hanging frame fixing assembly is arranged at the position of the hanging piece support. The device has the comprehensive advantages that the electrolyte components are kept stable and uniform, and the oxidation process is faster and more efficient.

This invention discloses a stress corrosion resistant non-magnetic stainless steel and its preparation method, belonging to the technical field of stainless steel materials. It solves one of the problems in existing technologies: the microstructure uniformity of non-magnetic stainless steel is difficult to control, and the mechanical properties and stress corrosion resistance of existing non-magnetic stainless steel cannot be simultaneously and effectively improved. The composition of the stress corrosion resistant non-magnetic stainless steel, by mass percentage, includes: 18.30% ≤ Cr < 21.00%, 1.10% ≤ Mo ≤ 1.40%, 2.60% ≤ Ni ≤ 3.0%, 20.50% < Mn ≤ 22.00%, Si ≤ 0.4%, 0.01% ≤ Nb ≤ 0.015%, P ≤ 0.025%, S ≤ 0.01%, C ≤ 0.02%, 0.76% ≤ N ≤ 0.80%, with the balance being Fe and other unavoidable impurities. The stress corrosion resistant non-magnetic stainless steel of this invention has fine and uniform grains, and excellent mechanical properties and stress corrosion resistance.

The utility model discloses a kind of dynamic settler of reaction tank, including reaction tank body, first settlement structure being set in the upper position of reaction tank body, the center transmission rod being connected along the axial position of reaction tank body and first settlement structure by external transmission mechanism, and overflow outlet being set in the upper side wall of reaction tank body.The utility model passes through the specific dynamic settler structure design, makes the foam generated in the operation process of reaction tank super-exposure enter first settlement structure and is broken and settled by the cooperation of settlement channel and settlement hole, effectively handles foam accumulation problem, and the foam after preliminary treatment can also be handled by further configured second settlement structure and rotating foam collector, finally discharge through overflow outlet, to effectively solve the problem of foam accumulation and separation in reaction tank interior, improve production efficiency, ensure product quality.

This utility model relates to the field of box lamp technology and discloses a box lamp with an automatic winding and storing function for storing electrical wires. It includes a box body, a telescopic rod fixedly connected to the upper middle part of the box body, a lighting fixture fixedly connected to the upper part of the telescopic rod, a high-density lithium battery pack fixedly connected inside the box body, an inner liner slidably connected to the front side of the box body, a box cover hinged to the front side of the box body, and a wire winding assembly inside the box body for winding and releasing the electrical wire. In this utility model, the longer end of the wire on the automatic winding reel is passed through the wire hole in the box body, and then the automatic winding reel is fixed inside the box body with screws. The wire passing through the wire hole in the box body is then passed through the telescopic rod, and finally the wire is soldered to the lighting fixture. When the telescopic rod extends or retracts, the automatic winding reel rotates synchronously, automatically winding or releasing the wire, achieving dynamic matching between the wire length and the travel of the telescopic rod, avoiding cable tangling or excessive sagging.

This utility model provides a vibration structure for a spherical graphite vibratory grinding device, belonging to the technical field of spherical graphite vibratory grinding devices. The vibration structure includes: a vibratory body, a vibration excitation device, a support base, a transmission shaft, an adjustment mechanism, and a sealing cover. The vibratory body is cylindrical, with a spherical grinding cavity inside, the inner wall of which is made of stainless steel. The support base is fixedly mounted on the ground, and its upper surface is connected to the bottom of the vibratory body via a shock-absorbing spring assembly. The vibration excitation device includes an eccentric wheel and a drive motor, which is fixedly mounted on the side wall of the support base. The output shaft of the drive motor is connected to the transmission shaft via a coupling. This invention solves the technical problems of uneven grinding, poor vibration control accuracy, and insufficient equipment stability in existing spherical graphite grinding devices.

The utility model relates to water pollution prevention and control technical field, concretely is a kind of solid-liquid separation device for water pollution prevention and control, including separation tank, the bottom fixed mounting of separation tank has support frame, the upper side fixed mounting of one side of separation tank has fixed frame, the rotation installation of one side between separation tank and fixed frame has screw rod, the fixed frame one side fixed mounting has first motor. This solid-liquid separation device for water pollution prevention and control, through the cooperation of separation tank, support frame, filter assembly, hard brush, push plate, fixed frame, screw rod, limit rod, first motor, limit slot, mounting plate and installation mouth, the device is driven by mechanical mode, the device can simultaneously automatically clean two filter assemblies, without user manual operation, further simplifies maintenance process. The selection of stainless steel filter screen guarantees its corrosion resistance and wear resistance, can long-term stably filter sewage.

The utility model discloses a stainless steel capillary tube for automobile air conditioner, including the pipe body, the inlet end part of pipe body is equipped with at least two taper different taper sections, and the taper section is arranged in proper order along the fluid flow direction and the through diameter is gradually contracted, and the common constitution multistage taper throttling channel entrance, the taper section end part away from the pipe body is equipped with the connecting section, and the connecting section outer diameter is consistent with the taper section maximum outer diameter, and the connecting section outer surface is the welding cooperation surface, and the adjacent taper section is connected through the arc curved surface, and the taper section close to the pipe body and the pipe body entrance place smooth link, and the taper section close to the connecting section and the connecting section smooth link, and the pipe body includes the protection outer layer, the buffer layer and the throttling inner layer through in multistage taper throttling channel entrance setting taper different taper sections and arc transition curved surface, make refrigerant pressure steady, gradual decrease, effectively restrain turbulence and cavitation phenomenon, reduce vibration and noise greatly, improve system work stability.