704results about How to "Low gas consumption" patented technology

Semiconductor processing equipment that has increased efficiency, throughput, and stability, as well as reduced operating cost, footprint, and faceprint is provided. Other than during deposition, the atmosphere of both the reaction chamber and the transfer chamber are evacuated using the transfer chamber exhaust port, which is located below the surface of the semiconductor wafer. This configuration prevents particles generated during wafer transfer or during deposition from adhering to the surface of the semiconductor wafer. Additionally, by introducing a purge gas into the transfer chamber during deposition, and by using an insulation separating plate 34, the atmospheres of the transfer and reaction chambers can be effectively isolated from each other, thereby preventing deposition on the walls and components of the transfer chamber. Finally, the configuration described herein permits a wafer buffer mechanism to be used with the semiconductor processing equipment, thereby further increasing throughput and efficiency.

A plasma treatment apparatus is provided, which enables to increase a treatment area and provide good treatment uniformity. This apparatus comprises a pair of electrode plates having a plurality of through holes and an insulating plate having a plurality of through holes. The insulating plate is disposed between the electrode plates such that positions of the through holes of the electrode plates correspond to the positions of the through holes of the insulating plate. A plurality of discharge spaces are formed by the through holes of the electrode plates and the through holes of the insulating plate. By applying a voltage between the electrode plates, while supplying a plasma generation gas into the discharge spaces, plasmas are generated simultaneously in the discharge spaces, and sprayed on an object to efficiently perform a large-area, uniform plasma treatment.

The present invention provides a method and apparatus of producing a dense coating with desirable stress conditions similar to coatings produced by a cold spray processes, but with higher process efficiencies and lower gas consumption. The inventive process combines features of a plasma process method of gas heating and a cold spray process to accelerate the gas, incorporating these elements into a single hybrid process.

A machine and a process for producing lightweight thermoplastic composite products in a continuous manner is disclosed. An oven is provided for heating a dry unconsolidated fabric sheet of commingled fibers of thermoplastic and re-enforcing fibers or carbon fibers to a temperature sufficient to ensure melting and flow of the resin in the voids of the commingled fibers. The unconsolidated composite sheet is conveyed through the oven and then through a first pair of heated rollers at an outlet of the oven whereby to maintain the fabric sheet heated to prevent abrupt cooling at the surfaces while compressing it under pressure. A further pair of rollers at a further reduced temperature is provided whereby the heated sheet is gradually lowered in temperature and the pressure is maintained thereon during consolidation of the commingled fibers to ensure complete flow of the resin in the voids between the reinforcing fibers. The continuous composite consolidated sheet can then be processed to sheet form, or laminated in a sandwich, or profiled whereby to form a desired product.

The invention discloses a method for producing partial full-oxygen type cement suitable for separation and collection of CO2, which is a cement production process combining a process of pre-decomposing cement raw materials by using full-oxygen combustion and a process of baking clinkers by using conventional heated air combustion and can effectively solve the problems of the separation and collection of the CO2 in the cement production process. The raw materials subjected to the decomposition of carbonate in a decomposing furnace are separated through a fifth-stage cyclone and enter a rotary kiln, and the combustion way of the rotary kiln is different from the conventional way; the other part of heated air is discharged by a grate cooler to serve as secondary air for combustion, wherein the temperature of the firing zone in the kiln reaches 1,800 DEG C; the heat from fuel combustion is transmitted to materials; the materials are calcined into clinkers; the clinkers from the rotary kiln enter the grate cooler and then enter a rear material receiving device after being cooled; smoke from the rotary kiln enters a right five-stage preheater and is mixed with the heated air from the grate cooler at the output of the five-stage preheater; and the mixed air enters a fourth-stage preheater, gradually rises and is discharged from the top of a first-stage preheater to an exhaust gas processing system.

The invention relates to a permanent magnetic midsplit type multi-roller multivariate high gradient vibration magnetic selector, which comprises a stander (12), a magnetic selection box body arranged above the stander (12) through a vibration reduction spring set (18), a plurality of permanent magnetic rollers arranged inside the magnetic selection box body, a feed hopper (22) positioned on the top of the magnetic selection box body and a feed discharging passage (17) positioned on the bottom of the magnetic selection box body. The vibration magnetic selector is characterized in that the permanent magnetic rollers are made from magnetic materials with different magnetic strengths; according to a two-dimensional matrix form, the plurality of the permanent magnetic rollers are arranged to construct a multivariate sorting magnetic field; the permanent magnetic rollers made from the magnetic material of the same type are positioned on the same plane; according to the magnetic strengths, the permanent magnetic rollers with different magnetisms are in deltaic alternate arrangement sequentially from top to bottom along the flowing direction of the materials; magnetic concentrating medium grooves with the same specification are arranged between the adjacent permanent magnetic roller layers in different layers and above the upper layer of the permanent magnetic roller layers; and the inside of each groove is provided with magnetic concentrating media with different types.

This invention enables freeways to carry the maximum amount of traffic they can safely carry during times of heavy use of the freeway system. The invention would maximize freeway capacity by restricting the inflows of traffic and facilitating the exits from the freeway. Freeway inflows would be restricted by extensive use of metering lights and restrictions on speeds on the freeway itself. Freeway exits would be facilitated by changing traffic lights, stop signs, and anything else that restricts exits from a freeway, to allow for the free flow of traffic off a freeway. An optimized freeway system would shorten commutes, lessen consumption of gas, lower pollution, and lessen the need to build or expand freeways. Thus, it would save several billions of dollars every year.

A discharge ionization current detector capable of supplying plasma gas in large quantity to stabilize plasma simultaneously with lowering the sample dilution ratio to improve detection sensitivity is provided. A gas supply pipe 7 for supplying a plasma gas, which also functions as a dilution gas, is connected to a point near the connecting section of a first gas passage 3 having electrodes 4-6 for plasma generation and a second gas passage having electrodes 16 and 17 for ion detection. A first gas discharge pipe 8 is connected to the other end of the first gas passage 3, and a second gas discharge pipe 13 is connected to the other end of the second gas passage 11. Flow controllers 9 and 14 are provided in the gas discharge pipes 8 and 13, respectively. The flow rate of the gas passing through a plasma generation area and that of the gas passing through an ion current detection area can be independently regulated. Therefore, for example, it is possible to increase the former flow rate to stabilize the plasma and simultaneously decrease the latter flow rate to enhance the detection sensitivity for a low-concentration sample.

The invention relates to a method for performing steam explosion of wood fiber raw materials, directional enzymatic dissociation and alcoholic fermentation. The method is characterized in that steam explosion, directional enzymolysis of xylan, solid-liquid separation, extensive enzymolysis of cellulose, anaerobic alcoholic fermentation of xylose and anaerobic alcoholic fermentation of glucose areadopted. The new secondary enzymolysis technology is adopted and beta-glucosidase and little cellulose are introduced in xylanase so as to obviously improve the xylan directional enzymolysis and separation effect of raw materials. Therefore, the invention provides a new method for the effective separation of xylose and glucose in the wood fiber raw materials and the efficient alcoholic fermentation and significantly reduces the production cost for the fermentation of the ethanol in wood fiber raw materials.

The invention discloses a natural focusing type ultrasonic atomization nozzle. The technical problems, such as large volume, invalid liquid splashing at a center hole, large air consumption, small maximal liquid flow, short spraying distance, of a natural scattering type atomization nozzle in the prior art are solved. According to the technical scheme, the natural focusing type ultrasonic atomization nozzle comprises an ultrasonic atomization energy converter, an air channel, a liquid nozzle and an outer shell, wherein the ultrasonic atomization energy converter is arranged in the outer shell; the liquid nozzle is fixedly arranged under the outer shell through a damping supporting mechanism; the air channel is arranged in the middle of the ultrasonic atomization energy converter; the ultrasonic atomization energy converter comprises a piezoelectric vibration pile and an ultrasonic amplitude transformer; the piezoelectric vibration pile is arranged in the outer shell; the ultrasonic amplitude transformer is located in the liquid nozzle; an atomization head end face is arranged on the bottom end face of the ultrasonic amplitude transformer; a nozzle liquid outlet of the liquid nozzle is concentrically surrounding the atomization head end face; a nozzle liquid inlet of the liquid nozzle is arranged on the upper part of the liquid nozzle. The natural focusing type ultrasonic atomization nozzle has the advantage that high-precise high-efficient ultrasonic atomization spraying can be realized.

The invention discloses a gas reverse-circulation well-drilling method. According to the gas reverse-circulation well-drilling method, a well-drilling system comprising a well-drilling pump set, a topdrive, a top drive adapter, a rotary blowout-preventing flow guiding device, a blowout preventer group, a casing, a double-wall drill pipe, a flow channel conversion device, a conventional drilling rig and a drill bit is used; and the gas reverse-circulation well-drilling method comprises the steps that during gas injection and well-drilling, one path of injected gas passes through the top drive,the top drive adapter, the double-wall drill pipe, the flow channel conversion device, the conventional drilling rig and the drill bit to enter a well bottom annular space, the other path of the injected gas enters the well bottom annular space through the rotary blowout-preventing flow guiding device; and the two paths of injected gas converge in the well bottom annular space and then passes through the flow channel conversion device, the double-wall drill pipe and the top drive adapter to return to a grit chamber. The gas reverse-circulation well-drilling method has the advantages that thegas using amount is small, the drilling speed is high, and low-cost well drilling can be achieved; and the gas reverse-circulation well-drilling method meets the well-drilling well control and well-drilling safety requirements in the field of oil drilling.

The invention relates to a multistage atomization gas-liquid two-phase large-caliber mist nozzle. According to the technical scheme, the middle of a small cylinder body of a liquid inlet pipe (2) is fixedly connected with the center of a top cover (3), and a large cylinder body of the liquid inlet pipe (2) and a conical table of the liquid inlet pipe (2) are located in a rotational flow cylinder (4). The outer wall of the large cylinder body of the liquid inlet pipe (2) has a distance of 3-8 mm with the inner wall of a hollow cylinder body of the rotational flow cylinder (4). The minimum distance of a circular seam (11) formed between the outer wall of the conical table of the liquid inlet pipe (2) and the inner wall of a hollow conical table of the rotational flow cylinder (4) is 0.3-1 mm. The upper portion of the hollow cylinder body of the rotational flow cylinder (4) is horizontally provided with an air inlet pipe (1), and one end of the air inlet pipe (1) penetrates through a shell of the rotational flow cylinder (4) and is tangent with the outer wall of the small cylinder body of the liquid inlet pipe (2). The outer diameter of the air inlet pipe (1) is the difference between the inner diameter of the hollow cylinder body of the rotational flow cylinder (4) and the outer diameter of the small cylinder body of the liquid inlet pipe (2). The air inlet pipe (1) is located between the top cover (3) and the large cylinder body of the liquid inlet pipe (2). The multistage atomization gas-liquid two-phase large-caliber mist nozzle has the advantages that the structure is simple, mist drops are evenly distributed, and the nozzle cannot be blocked.

A tire for vehicles offering low rolling resistance wherein the ground-contact surface area is variable as a portion of the tread part can be retracted and/or extended using pneumatic, mechanical or hydraulic force to withdraw from, or come into contact with the road surface before, during or after operation permitting more efficient operation wherein the material used within the tread part that retains contact with the road may generally have a smaller internal friction loss than the material used in conventional tires and the rolling resistance is thereby reduced when the retractable portion of the tread is selectively withdrawn from contact with the road surface furthermore achieving a smaller ground-contact patch footprint. The achieved object of a tire with a lower rolling resistance yields improved fuel consumption efficiency. Improvements in exterior and interior noise levels and a reduced tendency to exhibit hydroplaning action are also attained with a variable groove volume to tread surface-contact ratio. Within one embodiment of the present invention, an automated microcomputer-based tire control system is disclosed useable to command the motion of the moveable tread portion of the said tire in response to various operational scenarios.

A system for conducting a vitrectomy includes: a gas source; a vitrector including a cutting mechanism that opens and closes according to a pressure at the vitrector; and a pulse-generating system receiving gas from the gas source and generating pulses at the vitrector. The pulses cause the pressure at the vitrector to vary according to a cycle, and the varying pressure at the vitrector causes the cutting mechanism of the vitrector to open and close. At a first time in the cycle, the pulse-generating system, raises the pressure at the vitrector to a maximum pressure. At a second time in the cycle, the pulse-generating system reduces the pressure at the vitrector to a minimum pressure that is greater than ambient, the pressure at the vitrector being maintained at least at the minimum pressure. The difference between the maximum pressure and minimum pressure is minimized to reduce gas consumption.