127results about How to "Uniform and stable flow" patented technology

The present embodiments disclose apparatus, systems and methods for allowing users to receive targeted delivery of haptic effects—air flow of variable intensity and temperature—from a single tower or surround tower configuration. The haptic tower may have an enclosed, modular assembly that manipulates air flow, fluid flow, scent, or any other haptic or sensation, for an immersed user. Moreover, the system has an application of sensor technology to capture data regarding a user's body positioning and orientation in the real environment. This data and, or data from a program coupled to the system, and, or audio-video data corresponding to a user in a virtual environment, is relayed to a haptic engine; recognized; scored along a plurality of parameters; and converted into a haptic output command for haptic output expression corresponding to the user in the virtual environment.

are useful as inhibitors of cyclin dependent kinases such as CDK9.

Disclosed are composite pellets for extrusion molding wherein fusion does not occur between the pellets, and there is no variation in size and density. A molten material obtained by an extruder for a raw material containing a thermoplastic resin and wood powder is extruded into a strand shape through a die nozzle of the extruder, and cut into a predetermined length to form a pellet. At this time, the extrusion amount, the diameter of each nozzle hole, and the number of nozzle holes are adjusted so that the linear velocity (vd) of the molten material in each nozzle hole of the die nozzle is in the range of 12 to 50 cm/sec. Further, regardless of the variations in particle diameter, etc., a stable amount of the composite pellets are supplied to the extruder, and smoothly introduced to a screw of the extruder. The composite pellets and 12-hydroxystearic acid containing a metal of Ca, Mg, or Zn are agitated together, and 0.03 to 0.4 mass% of the 12-hydroxystearic acid is attached to the periphery of 100 mass% of the composite pellet, and the pellets are used for extrusion molding.

The invention relates to a three-dimensional hierarchical air supply combined waste incinerator, in particular to a waste incinerator. The waste incinerator provided by the invention solves the problems of single function and narrow application range of the traditional waste incinerator. In the waste incinerator provided by the invention, the lower end of a feeding device is communicated with one end of a rotary drying pyrolysis device; the other end of the rotary drying pyrolysis device is communicated with a grate type incinerator; the feeding device and the rotary drying pyrolysis device are fixedly installed on a first bracket; two groups of secondary air spray pipes are both communicated with a secondary air main pipe; one group of the two groups of secondary air spray pipes is positioned above a rear arch and arranged on the outer side wall of a rear wall, and the other group of secondary air spray pipes are arranged at the lower end of a front wall; each group of secondary air spray pipes is communicated with a hearth; a high-temperature smoke interface is communicated with a horizontal flue through a pipeline; an intermediate-temperature smoke interface is communicated with a tail flue through a pipeline; and an air interface is communicated with the air outlet of an air preheater through a pipeline. The waste incinerator provided by the invention is used for incinerating waste.

The invention relates to a tubular electrode abrasive particle assisting multi-bath electrolytic cutting machining device and a tubular electrode abrasive particle assisting multi-bath electrolytic cutting machining method and belongs to the field of electrolytic machining. The device and the method are characterized in that the surface of a tubular electrode is additionally provided with abrasiveparticles; an anode metal which is not removed by electrolysis in time due to lack of liquid and a passivation layer formed on the surface of titanium alloy in an electrolytic machining process can be removed by a grinding force generated by the abrasive particles in high-speed rotation of the tubular electrode, so high-efficiency proceeding of electrolytic machining is promoted; in the machiningprocess, the tubular electrode rotates at a high speed; a plurality of narrow gaps are uniformly distributed on the sidewall of the tubular electrode in order to spray liquid at a high speed so thatproducts generated in an electrolytic machining region can be discharged rapidly; the bottom of the tubular electrode is provided with a radial or axial air blowing opening; the air blowing opening can keep a certain air pressure (backpressure) at an electrolyte outlet and can promote an electrolyte flow field of the machining region to be more stable, and improvement of the surface quality of a work piece in the machining region is facilitated. The machining device comprises the following components: a rotary connecting pipe, an air charging pipeline, a sidewall multi-bath tubular electrode,an industrial personal computer, an electrolytic machining machine tool, a large-power direct-current power supply and an electrolyte circulating system. The machining device provided by the inventionhas important significances for increasing the flowing speed of an electrolyte, rapidly discharging products and guaranteeing one-time electrolytic cutting of a large-thickness work piece.

The invention relates to an esterification and polymerization double-kettle apparatus. The apparatus comprises an esterification pre-condensation reaction tower and a stirring-free polymerization reactor, wherein a pre-condensation discharging hole of the esterification pre-condensation reaction tower is communicated with a feeding hole of the polymerization reactor through a pre-condensation melt conveying pump; a liquid distribution plate is arranged at the upper part of an inner cavity of the polymerization reactor; a falling-film tube is arranged in the liquid distribution hole; a hot medium heating tube is inserted in an inner cavity of the falling-film tube; the feeding hole of the polymerization reactor and a vacuumizing hole are formed in the outer wall of the upper part of a cylinder body; a discharging spiral and a polymer discharging hole are formed in the bottom of the polymerization reactor; an annular liquid distribution groove is formed in a part, corresponding to the feeding hole of the polymerization reactor, of the inner wall of the cylinder body; a uniform annular gap is reserved in the lower end of the liquid distribution groove; a liquid collection groove is formed in the inner wall of the lower part of the cylinder body; a middle melt outlet communicated with the liquid collection groove is formed in the outer wall of the cylinder body and is communicated with a middle melt inlet through a middle melt conveying pump; the middle melt inlet is formed in the upper part of the liquid distribution plate. The apparatus is compact in structure, small in occupied area and high in production efficiency.

The invention provides a double-outlet multipurpose external mixing type self-priming pump with a quasi-spiral suction chamber. The double-outlet multipurpose external mixing type self-priming pump mainly comprises an inlet flange, a pump body, an impeller, an air-liquid separating pipe, a rear cover, a suspension body part, an outlet flange and a flange cover, wherein the pump body is formed by the quasi-spiral suction chamber, a spiral compression chamber and a liquid storage chamber through integral casting and is provided with double outlets and the like. The hydraulic performance of the pump is effectively improved while the self-priming performance of the self-priming pump is improved, the flow losses of fluid media in a suction chamber and a water compressing chamber are remarkablyreduced, and the double-outlet multipurpose external mixing type self-priming pump has the advantages of being high in efficiency and reliability, compact in structure, convenient to install and maintain and multipurpose, serving as a pipeline self-priming pump accessed horizontally only by slightly adjusting an installing mode and the like, is suitable for the fields of agricultural irrigation and drainage, river and pond breeding, municipal drainage, petrochemical metallurgy and the like and can be installed on a movable pump truck for fire-fighting operation and the like.

The invention discloses a clothes hanger which comprises a clothes hanger body. An air outlet is formed in the clothes hanger body. A heating body is also arranged in the clothes hanger body. An air outlet channel is arranged between the heating body and the air outlet. The cross sectional area of the air outlet channel is gradually reduced when the air outlet channel is gradually close to the air outlet. By the adoption of the structure, after the airflow passing through the heating body reaches the air outlet channel, the airflow is squeezed due to the fact that the cross sectional area of the air outlet channel is gradually reduced, and the airflow speed is gradually increased; due to the closing-in arrangement of the air outlet channel, the airflow is larger in density and impact force; when the airflow rushes out of the air outlet, larger flushing force is produced to clothes hung on the clothes hanger, the airflow flowing speed is increased, and therefore water drops on the clothes can be flushed away more easily; or evaporation of water in the clothes is accelerated, and therefore the clothes are dried more rapidly.

The invention relates to a multi-pipe floating complex curved surface self-finding track electrolytic processing device and method, and belongs to the field of electrolytic processing. The method is characterized in that an inner liquid spraying tube electrode group can be floated up and down on the surface of a curved surface part according to a specified processing track under the action of springs and a guide device, and the method can be used for electrolytic processing of workpieces with complex outer surfaces; and in addition, due to the fact that the multi-pipe liquid spraying processing is adopted, the flow field of a processing area is more stable compared with a single-pipe liquid spraying process. The processing device comprises the following components of group tube electrodes,the springs, elastic soft infusion tubes, a clamp body, a guide tube and the like. The method and the device has important significance in improving the electrolytic processing efficiency and stability and reducing the difficulty of programming and operation of numerical control machining the curved surface part.

The invention discloses an adsorption device and an adsorption method. The adsorption device comprises an adsorption chamber, at least two adsorbers, a cleaning station and a switching device, wherein liquid is fed into the adsorption chamber from a first liquid inlet, when the liquid flows through the adsorbers, impurities in the liquid are attached to the adsorbers, and then the liquid subjected to adsorption and filtering flows out of a first liquid outlet; and after one adsorber adsorbs impurities, the switching device is adopted for switching the adsorber from the adsorption chamber to the cleaning station, and after the other adsorber is switched to the adsorption chamber, a cleaning device is adopted for cleaning the adsorbers. The cleaning station and the adsorption chamber are independently arranged, and the cleaning process of the adsorber does not take up the impurity adsorption time, so that the iron removal efficiency is greatly improved; and the device is simple in structure, easy to control and convenient to maintain.

A continuous casting apparatus for steel includes: a casting mold for casting a molten steel with a pair of long side walls and a pair of short side walls; a submerged entry nozzle which discharges the molten steel into the casting mold; and an electromagnetic stirring device which is disposed along each external surface of each of the long side walls and stirs an upper portion of the molten steel within the casting mold. A curved portion which is convexly curved toward the electromagnetic stirring device in plan view is formed at least at a position where the curved portion faces the submerged entry nozzle on each of the long side walls, and each of the long side walls including the curved portion has a uniform thickness. The shortest horizontal distance between a top which is a most depressed position when an internal surface of the curved portion is seen in plan view and an outer peripheral surface of the submerged entry nozzle is 30 mm to 80 mm in a range from a lower end portion of the electromagnetic stirring device to a position higher than an upper end portion thereof by 50 mm when viewed along a vertical direction.

The invention provides a formaldehyde tester. The formaldehyde tester comprises a sensor, a gas channel and gas chamber unit, a signal acquisition and processing unit and a microprocessor unit, wherein the gas channel and gas chamber unit comprises a sensor cavity for accommodating the sensor, a test gas channel connected with one side of the sensor cavity, a calibration gas channel connected in parallel in the same side of the sensor cavity with the test gas channel as well as an exhaust device arranged on the other side of the sensor cavity, one end of the test gas channel is connected with outside to-be-tested gas, and the other end is connected with the sensor cavity; the signal acquisition and processing unit is electrically connected with the microprocessor unit and the sensor; the exhaust device is electrically connected with the microprocessor unit. The formaldehyde tester can calibrate calibration of the sensor and prevent the sensor from affecting test accuracy due to own drifting, so that a test result is accurate and reliable.

The invention relates to a vertical type stirred-free polymerization reactor. A liquid distribution disc is arranged at the upper part of the internal chamber of a tubular body, liquid distribution holes are formed in the liquid distribution disc, falling-film tubes are arranged in the liquid distribution holes, heat-medium heating tubes are inserted into internal cavities of the falling-film tubes, a charging opening and a vacuumizing opening are formed in the external wall of the upper part of the tubular body, a discharging spiral and a discharging opening are formed in the bottom of the tubular body, a tubular body jacket is arranged at the outer periphery of the tubular body, the charging opening is located below the liquid distribution disc, an annular liquid distribution groove is formed in the internal wall, corresponding to the charging opening, of the tubular body, and uniform annular slots are reserved between the lower end of the liquid distribution groove and the internal wall of the tubular body; an annular liquid collecting groove is formed in the internal wall of the lower part of the tubular body, the upper end of the liquid collecting groove is open, and the lower end of the liquid collecting groove is closed; an intermediate melt outlet communicating with the bottom of the liquid collecting groove is formed in the external wall of the tubular body and is connected with an inlet of a conveying pump, an outlet of the conveying pump is connected with an intermediate melt inlet, and the intermediate melt inlet is located in the external wall of the tubular body and is located above the liquid distribution disc. The reactor is high in production efficiency and low in energy consumption.

The invention provides a spray nozzle with multiple scales of permanent flames and a combustor. The spray nozzle comprises an axial symmetry cylindrical outer wall, N levels of auxiliary spray nozzle structures and N levels of fuel pipe structures, wherein the N levels of auxiliary spray nozzle structures and the N levels of fuel pipe structures are arranged inside the outer wall. The N levels of auxiliary spray nozzle structures comprise from the Nth-level auxiliary spray nozzle, the (N-1)th-level auxiliary spray nozzle to the first-level auxiliary spray nozzle. The N levels of fuel pipe structures comprise from the Nth-level fuel pipe, the (N-1)th-level fuel pipe to the first-level fuel pipe. The ith-level fuel pipe corresponds to an inlet of the ith-level auxiliary spray nozzle in a one-to-one manner. The ith-level auxiliary spray nozzle is of a cylindrical structure, and i is a positive integer not larger than N.

The invention relates to a draft tube for a single crystal furnace. The draft tube comprises a horn-shaped tube body, a feeding flange and a discharging flange, wherein the feeding flange and the discharging flange are connected to a narrow opening end and a wide opening end of the horn-shaped tube body respectively, a lengthening device is arranged between the narrow opening end of the horn-shaped tube body and the feeding flange, a baffle is arranged between the wide opening end of the horn-shaped tube body and the discharging flange, guide plates are arranged in the horn-shaped tube body, through holes are uniformly formed in the guide plates, filter plates are further arranged between the lower ends of the guide plates and the side wall of the horn-shaped tube body, an overhaul port is further formed in the side wall of the horn-shaped tube body, and the side wall, located on the outer side of the overhaul port, of the horn-shaped tube body is further movably connected with an observation window. By means of the design, the flowing area is increased through the guide plates, so that substances more uniformly and stably flow, and the utilization rate of the draft tube is increased.

The invention relates to a small experimental circulating water tank which comprises a water tank body, and the water tank body comprises a test section (1), an upper expansion section (17), a power section (15), a connecting section (12), a third-stage guide section (11), a lower expansion section (10), a second-stage guide section (7), a first-stage guide section (5), a rectification section (4)and a contraction section (3) which are connected in sequence to form a loop, wherein the the test section (1) is horizontally arranged, the first-stage guide section (5), the second-stage guide section (7) and the third-stage guide section (11) are arranged at corners, a honeycomb rectifier (401) is arranged in the rectification section (4), and a plurality of flow deflectors (6) are arranged inthe first-stage guide section (5), the second-stage guide section (7) and the third-stage guide section (11). Compared with the prior art, the experimental requirements can be met, the flow field speed is adjustable, flowing is uniform and stable, the flow velocity distribution of the test section is uniform, and advection and turbulence can be controlled.