5results about How to "Avoid exceeding the standard" patented technology

The application discloses a window assembly, a monitoring device and a semiconductor process equipment, and belongs to the technical field of semiconductors. The window assembly comprises a mounting base, a protective window and an observation window. The mounting base is provided with a light transmission channel. The protective window is arranged in the light transmission channel. A first end of the light transmission channel is used for being opposite to a monitoring hole of a process chamber of the semiconductor process equipment. The observation window is connected with the mounting base and is opposite to a second end of the light transmission channel. The mounting base is further provided with at least two voltage stabilizing channels. The voltage stabilizing channels are symmetrically arranged on two sides of an axis of the light transmission channel. The protective window divides the light transmission channel into a first channel part and a second channel part. First ends of the voltage stabilizing channels are in communication with the first channel part. Second ends of the voltage stabilizing channels are in communication with the second channel part. The monitoring device comprises the above-mentioned window assembly and a signal processor. The signal processor is connected with the window assembly, and a signal interface of the signal processor is opposite to the observation window.

The invention discloses a smelting method of G115 martensite heat-resistant steel. The smelting method comprises the steps of slag-free tapping of an electric arc furnace, LF large-slag-amount white slag refining, VD deep degassing, B / N coordinated regulation and control, soft argon blowing pouring and the like. The method is characterized in that low-carbon low-phosphorus chromium alloy and high-purity electrolytic cobalt are selected and added in batches at controlled temperature; nitrogen is supplemented with chromium nitride alloy, Fe-B alloy wrapped by pure iron foil is inserted in batches, and the content of N and the content of B are accurately controlled; and Ca-Si line deoxidation and soft argon blowing for inclusion removal are matched with argon injection protection in the atmosphere. According to the process, redundant procedures are omitted, the production cycle is shortened, the content of sensitive elements such as carbon, boron, nitrogen and cobalt is effectively controlled, O in the molten steel is smaller than or equal to 25 PPm, the inclusion removal rate is larger than or equal to 95%, and the endurance strength at the high temperature of 650 DEG C is larger than or equal to 135 Mpa.

This application discloses a device for recovering and deeply purifying vinyl chloride synthesis displacement gas, specifically relating to the field of chemical gas treatment technology. It includes two alkaline scrubbing towers connected in series, with each tower's outlet equipped with a gas-liquid separator. The end pipes of the two series-connected alkaline scrubbing towers are connected to a raw material gas buffer tank. The outlet of the raw material gas buffer tank is connected to an adsorption tower. The outlet of the adsorption tower's desorbed gas is connected to a vacuum pump. The top crude purified gas outlet of the adsorption tower is connected to a purified gas buffer tank. The outlet of the purified gas buffer tank is connected to a heater. A circulating fan for pressurization is installed between the purified gas buffer tank and the heater. The heater's outlet is connected to two dehydrocarbonization towers connected in series. The end pipes of the two series-connected dehydrocarbonization towers are connected to a cooler. Furthermore, the cooler and the adjacent dehydrocarbonization tower are connected by a circulating pipe leading to the inlet of the circulating fan. This application reduces pipeline corrosion and successfully recovers gases such as vinyl chloride and acetylene.

The utility model relates to a kind of secondary combustion chamber for solid waste treatment, including shell, the bottom of shell is equipped with air inlet, top is equipped with air outlet, shell bottom is equipped with burner, shell bottom end outside is also equipped with closed loop wind device, closed loop wind device is used to the direction of the shell radial direction in the shell for air intake, to make flue gas spiral flow from the air inlet to the air outlet;Closed loop wind device includes two groups of air intake components respectively distributed in the shell two sides, air intake component includes main pipe and the multiple branch pipes connected on main pipe, branch pipe one end is communicated to the shell, the other end is closed.The utility model increases closed loop wind device, the combustion time of original combustion track is increased from 2.8 seconds to 3.8 seconds, can effectively increase combustion time, reduce the detonation phenomenon caused by too short combustion time, avoid producing CO flue gas overproof, can reduce the risk of flue gas overproof.

The utility model discloses a sterile filling and packaging structure for bioactive peptides, which belongs to the technical field of bioactive peptide filling and packaging, and is characterized in that the sterile filling and packaging structure comprises an automatic filling equipment body and an automatic packaging equipment body, a first conveying device is arranged on the right side of the automatic filling equipment body, and a second conveying device is arranged on the right side of the automatic packaging equipment body; the problems that an existing bioactive peptide filling and packaging structure is generally lack of a sterilization structure for a filling bottle, the filling bottle needs to be sterilized in advance by depending on external equipment, the complexity of the operation process is increased, an open type exposure link exists in the transfer process after sterilization, secondary pollution is extremely likely to be caused, and the working efficiency is high are solved. The problems that an existing filling and packaging structure is generally lack of an air circulation purification structure, a continuous sterile microenvironment cannot be formed in a filling and packaging area, dust particles and microorganisms in air are prone to being accumulated and exceeding standards, the overall sterile effect cannot meet the high stability requirement of bioactive peptide, and then the product quality and the production efficiency are affected are solved.