5453 results about "Process equipment" patented technology

A method and apparatus for removing excess dopant from a doped substrate is provided. In one embodiment, a substrate is doped by surfaced deposition of dopant followed by formation of a capping layer and thermal diffusion drive-in. A reactive etchant mixture is provided to the process chamber, with optional plasma, to etch away the capping layer and form volatile compounds by reacting with excess dopant. In another embodiment, a substrate is doped by energetic implantation of dopant. A reactive gas mixture is provided to the process chamber, with optional plasma, to remove excess dopant adsorbed on the surface and high-concentration dopant near the surface by reacting with the dopant to form volatile compounds. The reactive gas mixture may be provided during thermal treatment, or it may be provided before or after at temperatures different from the thermal treatment temperature. The volatile compounds are removed. Substrates so treated do not form toxic compounds when stored or transported outside process equipment.

A process control system uses a data collection and distribution system and an asset utilization suite to collect data or information pertaining to the assets of a process plant from various sources or functional areas of the plant including, for example, the process control functional areas, the maintenance functional areas and the process performance monitoring functional areas. This data and information is manipulated in a coordinated manner by the data collection and distribution system and is redistributed to other applications where this it is used to perform overall better or more optimal control, maintenance and business activities. Information or data may be collected by maintenance functions pertaining to the health, variability, performance or utilization of a device, loop, unit, area, etc. and this information may then be sent to and displayed to a process operator or maintenance person to inform that person of a current or future problem. A user interface is provided that enables users to access and manipulate the expert engine to optimize plant operation or cause optimization of plant operation, to get information about the operation of the plant, etc. Furthermore, applications, such as work order generation applications may automatically generate work orders, parts or supplies orders, etc. based on events occurring within the plant.

A durable unitary lens filter is provided for use with a touch sensitive display device for associated control process equipment. A front cover secures the unitary lens filter to the machine. The lens assembly includes a mounting bezel that supports an intermediate lens securing an integral rear lens filter through which a responsive display shows process information to an operator. The front cover captivates the integral bezel to secure the lens to the associated process device. The lens is molded from a semi-rigid material composition including glass fibers. An internal retainer compressibly captivates the bezel against the front cover. The bezel periphery extends substantially beyond the outermost peripheral edge of the rear lens so that forces thereto are transferred and dissipated to the machine housing.

A system and process are provided for recovering and/or cleaning residual or waste petroleum products such as sludge accumulated within a storage tank or upon process equipment surfaces, or from inorganic materials such as sand or clay, and the like. The system and process include a negatively charged aqueous-based dispersion fluid, which is contacted with the petroleum product under controlled relatively high pressure and high shear conditions for fluidizing hydrocarbon molecules and for preventing such molecules from adherence to process equipment surfaces, or contaminants such as sand or clay. Additional mechanical separation as by subjecting the mixed petroleum product and dispersion fluid slurry to sonic vibration may also be employed. The thus-fluidized slurry of petroleum products, dispersion fluid, and inorganic materials can be separated by conventional techniques, as by settling and/or flotation, for further individual processing and/or re-use.

An improved dispersant material for mitigating crude oil fouling comprises a reaction product of a polyamine and a polyisobutylene succinyl anhydride made with a polyisobutylene having a vinylidene double bond content of at least 50%. The reaction product has an active nitrogen atom content of at least about 2% by weight. The reaction product is prepared by thermally reacting the polyisobutylene with maleic anhydride to produce said polyisobutylene succinyl anhydride and thereafter reacting the polyisobutylene succinyl anhydride with a polyamine having 5 to 7 active nitrogen atoms.

The invention relates to a preparation method of a functional fabric, and belongs to the technical field of textile materials. Functional nanoparticles are compounded on the surface of the fabric through the preparation of the functional nanoparticles and the preparation of the functional fabric. The existence of vinyl polysiloxane overcomes high adsorption capacity of functional nanoparticle aggregate, so that the uniformly dispersed functional nanoparticles are firmly adhered to the surface of the fabric, and the fabric has multiple functions of ultraviolet resistance, super-hydrophobicity, pollution resistance, antibacterial property, health and the like through the synergistic effect of the vinyl polysiloxane and the functional nanoparticles. According to the preparation method of the functional fabric disclosed by the invention, the vinyl polysiloxane is efficiently utilized, the productive value of the vinyl polysiloxane is improved, and the application of the vinyl polysiloxane to other fields is developed; moreover, the whole process is simple in equipment, relatively low in cost and free of pollution to ecological environment, and has a great application prospect.

A self-adaptive selection dynamic production scheduling control system, which is realized via a computer, is characterized in that: the system comprises a system emulator, a learning machine, a decision-making machine, a scheduling rules base, a scheduling knowledge base, a carrier, processing equipments and a buffer station thereof; the buffer station is provided with an optical grating, a sensor and a detection equipment; when a working piece reaches the buffer station and is processed, the learning machine detects the current system status for learning, so as to acquire dynamic scheduling knowledge about the system and update the knowledge in the scheduling knowledge base; when one processing equipment needs to be scheduled, the decision-making machine reads corresponding scheduling knowledge in the scheduling knowledge base according to the detected system status, acquires new scheduling knowledge through continuous interactive learning with the processing system, dynamically selects the scheduling rules based on the status of the processing equipments and the working piece in the system, and chooses the optimized scheduling rules to schedule the processing equipments. The invention can adapt to instable time-varying workshop dynamic production environments, obtain a better working-piece arrangement than prior rule-based scheduling technology, effectively reduce the process waiting time, and improve the fill rate of product delivery time.

The present invention relates to an air-contained coal gas gasification and separation process, which is chiefly to passing over the air-contained coalbed gas to the middle of the fractionating tower after cooling, through the evaporation of the evaporator in the bottom of the fractionating tower and the condensation of the top condenser, gas fraction inside the inner of the tower, the sufficient quality and heat exchange of the liquid fraction. The high purity nitrogen gas is obtained in the top of the fractionating tower and the high purity liquid natural gas is obtained in the bottom of the fractionating tower, wherein one part of pure air is induced to the heat exchanger at the entrance between the top of the fractionating tower and the air-contained coalbed gas. The invention also provides an equipment of the separation process. The air-contained coal gas gasification and separation process and equipment are separation liquefaction process specially designed for the air-contained coalbed gas, which adopts the single stage rectifying still simpler than the doublestage rectifying, and has convenient operation, low cost and easy to popularize in large scale.

The invention discloses an intelligent kitchen cooking system, comprising: a recommending unit for recommending corresponding menus according to the user's taste characteristics and/or material characteristics, and searching for corresponding recipes according to the menu selected by the user; a weighing unit, It is used to weigh ingredients and seasonings; processing equipment is used to process and cook ingredients and seasonings; the central control unit is connected to the recommendation unit, weighing unit and processing equipment respectively, and is used to recommend menus and recipes based on the recommendation unit , control the weighing unit and processing equipment to work in coordination to complete the cooking process. In addition, the invention also discloses an intelligent auxiliary cooking method. The intelligent kitchen cooking system proposed by the present invention is an intelligent kitchen cooking system based on personalized recommendation, which can recommend corresponding menus and cooking plans according to the user's taste characteristics and/or ingredients characteristics, so as to better solve what the user eats and how to do it. question.

This invention discloses method and apparatus for preparing polycarbosilane ceramic precursor containing Zr. The method comprises: utilizing low molecular weight polymer with S-H bonds (polysilane, polycarbosilane or poly(dimethyl silane)) as the raw material, organic metallic compound containing Zr as the additive, and Ar, N2 or their mixture as the protective atmosphere, and pyrolyzing at high temperatures and normal pressure to obtain Zr-containing SiC ceramic precursor PZCS. The pyrolysis apparatus comprises a three-necked flask in the heater, a pyrolysis column in the electric heating jacket, a condensing tube, a separatory funnel, and a vacuum system seam. The method is simple, and can control the content and properties of Zr in the precursor and the ceramic. The product has such advantages as high purity, high remoldability, and high heat resistance.

The present invention relates to a system comprising: a process control network (3) having process equipment (2) connected thereto for receiving, through the process control network, control commands and for transmitting messages. To enable a high-security-level system to be achieved, wherein the state of a process can be established from an external communication network, the process control network (3) is connected to an external communication network (5) via a one-way data transfer device (12). The external communication network has storage equipment (6 to 8, 13) connected thereto, configured to store at least some of the information contained in the messages to be transmitted from the process control network (3) to the external communication network (5).

The invention discloses a method for preparing a photoluminescence carbon quantum dot. The method includes the following steps of drying and dehydrating a solid residue obtained after squeezing soybeans into soya-bean milk, placing the dried and dehydrated solid residue in an electrothermal blowing dry box to heat and carbonize to obtain a crude product of the carbon quantum dot, grinding the crude product of the carbon quantum dot, sieving, dispersing the sieved crude product of the carbon quantum dot in deionized water, uniformly stirring, still standing, centrifuging, evaporating an obtained aqueous solution containing the carbon quantum dot, and freeze drying to form a powdered shape to finally obtain the photoluminescence carbon quantum dot. According to the method for preparing the photoluminescence carbon quantum dot, a household bean juice maker is used for obtaining soybean dregs which serve as raw materials, the source of the raw materials is wide, the photoluminescence carbon quantum dot is prepared through low temperature heating and carbonization, the operation is simple, the cost is low, the yield is high, the preparation process equipment is simple and easy, the operation can be completed within an extremely short time, and the method is easy to popularize.

The provided is a method that can automatically align image frames in recorded video clips. Individual frames in video may shift and rotate due to shaking or vibration of a video camera. Unaligned frames make some imaging processing techniques difficult or infeasible. One example of image processing techniques is to isolate, recognize, and/or quantitatively analyze vapor plume images captured by an Infrared (IR) camera. Such techniques have a great potential to be used to automatically detect volatile organic compounds (VOC) leaked from process equipment at refineries and chemical plants. This invention is a technique for various subsequent image processing techniques. The invention uses spatially based Fast Fourier Transforms (FFT) to determine amount of shift, rotation, and scaling to align image frames, and uses a digital filtering technique to improve the alignment.

The invention relates to the technical field of electronic processing equipment and in particular relates to a bulk light-emitting diode (LED) feeder. The bulk LED feeder comprises a working table, a vibrating plate, a straight-line vibrator and an LED feeding body, wherein the vibrating plate, the straight-line vibrator and the LED feeding body are arranged on the working table in a working order. The bulk LED feeder is characterized in that: the LED feeding body comprises a material-clamping and material-pushing mechanism, a shaping mechanism, a polarity detecting and adjusting mechanism, a down-sliding guide rail mechanism and a feeding station mechanism. In the bulk LED feeder, the vibrating plate conveys the bulk LED elements to the straight-line vibrator; the straight-line vibrator conveys the LED elements to the LED feeding body sequentially; and after the LED elements are shaped and the polarity is detected and adjusted by the LED feeding body, other process equipment such as a vertical plug-in machine and the like is directly supplied to perform the next assembling step or plug-in procedure.

The invention relates to a process for preparing butadiene through the oxidative dehydrogenation of butene on an adiabatic radial fixed bed. The process comprises the step of performing oxidative dehydrogenation reaction of butene, air and water vapor in an adiabatic radial fixed bed reactor to obtain the butadiene. The radial fixed bed reactor is divided into three sections (or three stages); and process equipment sequentially comprises a first-section reactor, a first-section recuperative heat exchanger, a second-section reactor, a second-section recuperative heat exchanger, a third-section reactor, a medium-pressure steam generator, a low-pressure steam generator, a rear heat exchanger and the like. The preparation process is technically characterized in that the yield of the butadiene is high, the selectivity is high, the production device has high production capacity, the unit consumption of steam is low, and the heat energy is reasonably utilized; and the yield of wastewater, the pretreatment capacity of internal wastewater and the discharge amount of sewage can also be effectively reduced.

A method and apparatus for the production of calcium carbonate and calcium silicate in common superatmospheric reactors. Multiple reactors can be provided for switching production between reactors, and advantageously utilizing process waste heat. On site production of both PCC and Calcium Silicate Hydrates is thus achieved in a paper mill.

A method for removing contaminants from an process stream that includes the use of reticulated material to filter the process stream. The reticulated material also facilitate process stream flow distribution in process units. The reticulated material can be packed with a void space between a substantial number of the reticulated material that can be varied to enhance filtration and flow distribution. The method of filtering also provides a method of removing contaminants leaving process equipment. The methods can be used on a variety of process streams and process equipment. The reticulated material can include ceramics, metallic materials, and chemical vapor deposition elements. The reticulated material can be of various shapes and sizes, and can also be catalytically active.

The invention discloses a processing equipment technological parameter optimization method and system. The method comprises the following steps: collecting production line data in real time and obtaining a target value of a quality index; setting an initial value of a process parameter and a preset deviation value of the quality index; utilizing a section of historical production line data which comprises a current moment and the process parameters to respectively predict and obtain a predicted value of the quality index and an uncertainty range of the quality index; determining an optimization target according to the preset deviation value and the prediction value of the quality index and the uncertainty range of the quality index, and optimizing and updating the process parameters and the preset deviation value; performing an iterative optimization process by utilizing the updated process parameters and the preset deviation value until a termination condition is met; and after iterative optimization is completed, outputting the value of the current process parameter as the optimal process parameter under the current incoming material information and the environmental parameter. According to the invention, the accuracy and stability of the process parameter optimization result can be improved.

A method to improve corrosion, abrasion, resistance to environmental degradationand fire resistant properties of structural components for use in oil, gas, exploration, refining and petrochemical applications is provided. The structural component is suitable for use as refinery and/or petrochemical process equipment and piping, having a substrate coated with a surface-treated amorphous metal layer. The surface of the structural component is surface treated with an energy source to cause a diffusion of at least a portion of the amorphous metal layer and at least a portion of the substrate, forming a diffusion layer disposed on a substrate. The diffusion layer has a negative hardness profile with the hardness increasing from the diffusion surface in contact with the substrate to the surface away from the substrate.