32results about How to "Avoid concentration changes" patented technology

The invention relates to a combustor comprising an air flow channel for feeding air into the interior, and a fuel nozzle disposed in the air flow channel and having a spout port for spouting fuel, wherein a turbulence generating body adjacent the spout port of the fuel nozzle is installed in the air flow channel. It also relates to a combustor comprising an air flow channel for feeding air into the interior, and a fuel nozzle disposed in the air flow channel and having a spout port for spouting fuel, wherein a diffuser section is installed in the air flow channel, the diffuser section causing the cross sectional area of the portion of the air flow channel positioned in the vicinity of the spout port to be smaller than the cross sectional area of the downstream portion of the air flow channel positioned more downstream than the spout port with respect to the flow of air. Thereby, the generation of combustion vibration is suppressed while enhancing the fuel-air mixing action.

A stable, unicolor intermediate density region in a four-color system is defined by mixing dark and light color recording materials in a six-color system. For this reason, a calibration for the four-color system cannot correct density variations, and a pseudo-contour due to discontinuity of tones is produced in a transition region from the light color recording materials to dark color recording materials included in the intermediate density region, thus considerably deteriorating image quality. The tone characteristics of respective colors are obtained from a patch pattern of respective color recording materials, and a tone correction table used to correct the tones of the respective colors is created on the basis of the tone characteristics of the respective colors. The tone characteristics of primary colors calculated from the tone characteristics of the respective colors with reference to a basic color density characteristic table indicating the density characteristics when the dark and light color recording materials are mixed. A basic color density correction table used to correct the tone characteristics of the primary colors is created with reference to the basic color density characteristic table and the density correction table.

When dispensing operation is conducted plural times from an identical specimen, a rinsing liquid having stuck to the outer wall of a dispensing nozzle rinsed may be brought into a specimen container when the specimen is sucked, thereby to thin the specimen and lower an analyzing precision. The invention provides a rinsing mechanism for an automatic analyzing device, the rinsing range of the outer wall of the dispensing nozzle is changed according to the range, within which the nozzle is blotted. The quantity of the rinsing liquid to stick to the outer wall of the dispensing nozzle is reduced by an ejector effect to act between the dispensing nozzle and a rinsing liquid flow, thereby to prevent the specimen from becoming thinner. The rinsing mechanism decides a discharged state of the rinsing liquid flow by using the liquid level detecting function of the nozzle and the pressure fluctuation detecting function of the inside of a nozzle pipe, so that a highly reliable analysis is realized in an automatically adjustable manner for the proper rinsing range.

Disclosed is a coloring nozzle which is capable of surely spraying a certain amount of a coloring material toward a desired position on the outer surface of an article. Specifically disclosed is a coloring nozzle (31) which colors an electrical wire (3) as an article by spraying a certain amount of a liquid coloring material toward the outer surface (3a) of the electrical wire (3). The coloring nozzle (31) comprises a nozzle (54) for spraying the coloring material, a nozzle cover (55) and a cleaning unit (64). The nozzle cover (55) covers at least the front end portion (37b) of the nozzle (54). The cleaning unit (64) comprises a cleaning liquid supplying section (65) and a cleaning liquid discharging section (66). The cleaning liquid supplying section (65) supplies a cleaning liquid to the inside of the nozzle cover (55), while the cleaning liquid discharging section (66) discharges the cleaning liquid in the nozzle cover (55).

The invention belongs to the field of corrosion electrochemical testing, in particular to a metal material corrosion testing device and method in a high-pressure bentonite environment. The device includes a high-compacted bentonite bearing cabin and a compacted soil sheet located in the high-compacted bentonite loaded cabin, a connection and export system, a three-electrode system and a sealing plug, and the compacted soil sheet is connected to the high-compacted bentonite bearing cabin through the connection and export system , and lead out from the high-compacted bentonite bearing cabin through the connection export system, the compacted soil sheet is used to compact the bentonite carried in the high-compacted bentonite bearing cabin to prepare high-compacted bentonite, and the sealing plug is used for all The sealing of the high-compacted bentonite bearing compartment is described, and the three-electrode system is connected to an external electrochemical workstation through wires to conduct corrosion tests on metal materials. The invention can truly simulate the deep geological environment where the nuclear waste storage tank is buried, and obtain the corrosion degree of the storage tank material in each burial stage.

The invention discloses series-parallel integrated high-pressure pre-mixing, grinding and jetting equipment. The series-parallel integrated high-pressure pre-mixing, grinding and jetting equipment comprises an ultrahigh-pressure moving pump station and a three-dimensional machine tool platform, and also comprises a tandem mixing valve body and a parallel grinding tank; an input port is formed at the left end of the tandem mixing valve body; a vertical flow dividing pipe is arranged at the upper end of the input port; an low-position input hose is arranged at the lower end of the vertical flowdividing pipe; a high-position input joint is arranged at the upper end of the vertical flow dividing pipe; a transition valve body is arranged at the lower end of the parallel grinding tank; a pure water input pipeline and a mixed liquid output pipeline are arranged on the two sides of the tandem mixing valve body correspondingly; a bias blind channel and a main horizontal channel are formed in the tandem mixing valve body; and a manual cut-off valve rod is arranged on the middle part of the main horizontal channel. The series-parallel integrated high-pressure pre-mixing, grinding and jettingequipment can solve the problem that the pre-mixing, grinding and jetting work has low continuity, can effectively avoid the condition that the equipment cannot work continuously caused by the pump stopping and sand loading process and can improve the operation efficiency of the equipment.

The invention discloses an electrostatic spinning nanofiber generating device. The electrostatic spinning nanofiber generating device comprises a fiber generator, a fiber collecting device and a high-voltage generator, wherein the fiber generator comprises a spinning cavity, silk spray thread slots and a liquid storage tank; a slit is formed in each silk spray thread slot, and is communicated with the inner part of the spinning cavity; the liquid storage tank is communicated with the spinning cavity; each silk spray thread slot adopts a structure with twists and turns; the fiber collecting device is placed right above the silk spray thread slots; the high-voltage generator is provided with a high-voltage terminal and a ground terminal. According to the electrostatic spinning nanofiber generating device disclosed by the invention, nanofibers are produced by using viscous liquid as raw materials and utilizing an electrostatic spinning principle. Compared with the prior art, the core of the electrostatic spinning nanofiber generating device disclosed by the invention is the fiber generator with the bent slits; through the adoption of the fiber generator, the change of the concentration of spinning liquid, which is caused by solvent evaporation, is effectively inhibited, so that the producing stability of the nanofibers is greatly improved; besides, the uniformity and the production efficiency of produced fiber films are improved, so that the electrostatic spinning nanofiber generating device is suitable for the continuous scale production of nanofibers.

The invention provides a method for reducing the variation coefficient of the air permeability of cigarette paper through the online addition of a calcium carbonate suspension. The method is characterized in that the method concretely comprises the following steps: processing calcium carbonate and dilution water to prepare a calcium carbonate suspension; allowing the calcium carbonate suspension to go through a calcium carbonate suspension main and a calcium carbonate suspension main branch to enter a headbox dilution water device for mixing with the dilution water to obtain a diluted calcium carbonate suspension, adjusting the opening degree of a calcium carbonate suspension adjusting valve arranged on the calcium carbonate suspension branch according to the online determination result of the variation coefficient of the air permeability of paper, and automatically adjusting the addition amount of the calcium carbonate suspension; and allowing the diluted calcium carbonate suspension and a slurry to enter a turbulence generator together, and carrying out guniting up-papermaking through a lip zone to obtain cigarette paper. The method does not reduce the whiteness, strength, quantification and opacity of the cigarette paper, realizes the uniform distribution of the transverse calcium carbonate concentration of the cigarette paper and reduces the variation coefficient of the air permeability of the cigarette paper.

The invention discloses an electrostatic spinning device with auxiliary air flow and equipment thereof. A receiving electrode is positioned above a liquid storage tank; a rotary spinning roller is arranged in the liquid storage tank; an electrostatic spinning region is formed between a region where the receiving electrode is orthographically projected to the spinning roller and the receiving electrode; a plurality of through holes are uniformly formed in the spinning roller; an air spraying structure which is kept static is arranged in the spinning roller; an air spraying region of the air spraying structure corresponds to the electrostatic spinning region; the air spraying structure upwards sprays air flow; the air flow is blown into the electrostatic spinning region through the through holes. Under the matching between air flow blowing force and electrostatic force, electrostatic spinning is implemented; compared with the conventional roller type spinning, the electrostatic spinning device disclosed by the invention has the advantages that the yield is increased from 5 times to 10 times, and the spinning efficiency is greatly improved; furthermore, by the adoption of a liquid suction nozzle structure and a scraper structure, a spinning solution in the liquid storage tank is positioned in a sealed environment; therefore concentration change caused by volatilization of a solvent is avoided, and pollution caused by the volatilization of the spinning solution is prevented.