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JPH09136150A |
To restrain the variation of molten steel level in a mold with a simple control movement and the min. time of sliding of a sliding nozzle at the lower part of a ladle. In a control system of molten steel level in a tundish, the sliding n...
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JPH09136149A |
To achieve the restraining effect of variation of molten metal surface level in a mold so as not to vary as the stationary time even in the unstationary state developing the variation of molten metal quantity in a tundish, etc. The molte...
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JPH09133484A |
To provide a liquid level controller for an air conditioning heat exchanger capable of reducing the size of a vessel so that it may be more compact-sized. There are provided a vessel 5 which forms an air phase area (d) in a space higher ...
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JPH09122863A |
To provide a control method of a stable molten metal surface at the initial stage of casting by changing a control pattern of the molten metal surface level in accordance with starting condition. An operation part 8 inputs the molten ste...
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JPH09120315A |
To make it possible to keep the level of produced liquid at specific level even when the discharge of the liquid product is regulated on demand from the downstream side of a plant. A flowmeter 11 detects the inflow of a liquid raw materi...
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JPH09108803A |
To avoid the danger of overflow and breakout of molten steel even in case of an auto-start system. In a mold level control system of a continuous casting equipment keeping the molten steel level in the mold to the constant by drawing out...
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JPH09105661A |
To provide a monitoring device for water tank which makes it possible to grasp whether a water tank is full or low in level. The monitoring device for water tank comprises bar-like elements 8A, 8B to be fixed to at least the upper or low...
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JP2600872B2 |
PURPOSE:To prevent a water level from being less than a set value under an operation of a circulating pump by a method wherein in case that a water level is less than a set value under an operation of the circulating pump, an automatic h...
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JP2600049B2 |
PURPOSE: To reduce a volume and to accurately adjust the water level of a washing tub by applying an R-C oscillation circuit and changing capacitor capacity change among the component of a control circuit, the printed circuit board of a ...
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JPH09101824A |
To provide a desalting device liquid face controlling method capable of solving problems such as the variation of operation by correcting the indication error of a floating type liquid-level meter arranged in a desalting device even when...
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JP2598201B2 |
PURPOSE: To provide a control device for molten metal surface level in a mold for continuous caster, by which hunting of the molten steel surface level in the mold caused by influences, such as the variation of a control parameter, the i...
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JP2598629B2 |
PURPOSE: To provide a controller for the amount of water in a bathtub, which realizes the automation of control of amount of hot-water in the bathtub by detecting the amount of hot-water in the bathtub remotely from the rise of hot-water...
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JPH09503323A |
A novel control system is provided to control the liquid levels in a reactor-flasher combination used particularly for the carbonylation of methanol to acetic acid. Liquid level control is achieved by proportional controllers or other co...
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JPH0975453A |
To report the completion of a drip infusion process at a drip infusion place or to a nurse center with an alarm such as a buzzer. A float 16 is inserted in a drip infusion cylinder 1 and a drip infusion cylinder attachment seat 41 with a...
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JP2588343B2 |
PURPOSE: To aim at the stability of the wall surface by controlling the revolution of a liquid feeding pump on the basis of a difference between a level measured value and a set value during the excavation and controlling the open of a c...
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JP2527091Y2 |
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JPH0944256A |
To easily detect the height of molten metal surface inside a holding furnace by measuring the electric resistance of a circuit element constituted by immersing a pair of electrodes, whose electric resistance is known, in molten metal. Af...
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JPH0944255A |
To hold a liquid level constant by fitting a replenishing liquid storage tank communicating a negative pressure chamber to a suction pipe, for which an opening part is formed at the lower end, inside a liquid tank and matching the openin...
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JP2579743B2 |
PURPOSE: To make the rotating ratio of water in a water tank constant even when the quantity of water consumed is large or small, eliminate a reduction in water quality such as reduction in chlorine concentration, ensure the water quanti...
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JPH0932944A |
To constantly maintain an optimum water level, by a method wherein a valve to open and close a discharge port is arranged at one end, a disc-form piston is arranged at a central part, and a water flow passage having a specified minimum i...
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JPH0934555A |
To average as much as possible the flow rates of water supplied to a service reservoir and to automatically correct the flow rates based on the present level of the reservoir. A supplied water flow rate planning means 11 calculates the s...
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JP2576925B2 |
PURPOSE: To prevent transfer of a wrong kind of fluid into a storing tank by controlling to start the transfer of fluid only when the kind of fluid to be transferred is discriminated. CONSTITUTION: A fluid kind discriminating means 5 dis...
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JPH0926108A |
To restrain the fluctuations in the water level in a tank by switching over a water supply system in a system that feeds water to the tank by way of a plurality of water supply systems capable of controlling each flow rate, and is provid...
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JP2573811B2 |
PURPOSE: To heighten durability and reliability by keeping a turnover of water in this water tank constant even when a water quantity being used is plenty or even when little, eliminating the deterioration of water quality such as a redu...
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JP2574576B2 |
PURPOSE: To compute the stable quantity of inflow having high accuracy, and to control a dam stably with high precision. CONSTITUTION: The change of the quantity of inflow to a dam spot is predicted from the flow rate of upstream obtaine...
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JPH0922315A |
To adjust an adjust screw of switch mechanism for detecting the pressure of air discharged from an air discharging part into water without removing the cover. A air pump 16 for feeding air to an air discharging part and a pair of switch ...
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JPH0916269A |
PURPOSE: To provide a fuel system of the private power generating facilitates for emergency which can automatically and equally select a main oil storage tank. CONSTITUTION: For two main oil storage tanks 1A and 1B, one small-quantity fu...
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JPH096414A |
PURPOSE: To provide a water-gate opening/closing device in which the process of the water amount change of a river and the operation of the water gate by automatic control are confirmed even when a communication channel is interrupted. C...
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JP2522134Y2 |
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JPH091304A |
PURPOSE: To provide a control method of molten steel surface level in a mold at the initial stage of casting in a continuous casting apparatus which secures holding temp. of the molten metal in the mold and can be smoothly shifted to a f...
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JPH093848A |
To carry out overall river management and prevent previously damage of flood, by correlatively using a plurality of river management facilities in order to manage the water volume in a river network widened in the area and made complicat...
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JP2520920Y2 |
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JPH08318262A |
PURPOSE: To optimally control the pumping-up water flow rate of an adjusting basin so as to smooth the outflow rate to a biological reaction tank to the utmost while corresponding to the inflow rate of the adjusting basin changing with t...
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JPH08319955A |
PURPOSE: To reduce the operation frequency of a relay pump at a rear stage by performing synchronous operation of a plurality of relay pumps at a front stage. CONSTITUTION: First intermediate water level sensors 1f and 2f are arranged in...
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JPH08320703A |
PURPOSE: To obtain proper pump operation number control and water level control while decreasing the frequency of the operation and stop of pumps. CONSTITUTION: A sequence controller 6 places a pump 2 in operation when the water level in...
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JPH08314542A |
PURPOSE: To provide a liquid level controller which detects a liquid level in a tank, precisely displays it and automatically controls the operation of a supply system based on the detected result. CONSTITUTION: A main tank 1 and a sub-t...
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JPH08314539A |
PURPOSE: To easily pursue the occurrence cause of abnormal data in a controller controlling a controlled object or a main controller controlling the controlled object through the controller. CONSTITUTION: Data in a data location place DS...
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JPH08311846A |
PURPOSE: To surely perform downstream alarm by detecting a time from downstream alarm by a manual alarm command to the manual operation of an apparatus, and operating an apparatus to be controlled manually if the detected amount of time ...
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JP2555091B2 |
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JPH08300121A |
PURPOSE: To surely execute the molten metal surface control in a mold in a continuous casting machine with high reliability without being affected by coating material or the structure of a sensor, etc. CONSTITUTION: In the continuous cas...
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JP2553619B2 |
PURPOSE:To surely supply water at a set water level regardless of whether there is residual water or not by judging whether or not there is residual water in a water reservoir and setting up a new water level value when there is no resid...
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JPH08297513A |
PURPOSE: To provide a simple chemical liquid injection control unit which is applicable to the size reduction of a water tank while allowing the frequent intermittent pumping operation of a lifting pump. CONSTITUTION: This chemical liqui...
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JPH08294761A |
PURPOSE: To provide a molten metal surface level control method in a mold for continuous casting machine reducing the variation width of the molten metal surface level. CONSTITUTION: In the control method for holding the molten steel sur...
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JP2515944Y2 |
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JPH08286729A |
PURPOSE: To support an operation of a water gate and also the optimum opera tion of a pump based on the water levels on the main and tributary rivers which are measured at a place near a drainage pump station. CONSTITUTION: A drainage pu...
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JP2549587B2 |
PURPOSE: To control the hot water supplying system when the user is taking a bath by detecting as a response signal the variation in the water level of a bathtub for a certain period after outputting a speech message and, based on this, ...
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JPH08257446A |
To provide a system and method of supplying a constant volume of powder to a powder spray gun. The constitution includes an inlet 24 which receives the compressed air stream at one end, an outlet 22 at the other end, an outlet tube 20 pr...
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JPH08249071A |
PURPOSE: To reduce the steady-state deviation and to improve the responsiveness by controlling the amounts or materials extracted in supply devices of material storage parts in accordance with the amount of materials carried by a carryin...
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JPH08246510A |
PURPOSE: To stably supply city water even if the water level of a distributing basin cannot be directly monitored by detecting water feed pressure in a water feed pipe for a source to be converted into a water level and controlling a fee...
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JPH08246517A |
PURPOSE: To prevent generation of dead water by supplying water from a smaller-sized preliminary water tank having short circulation period after using the water into an elevated tank in an early stage, when the water in the elevated tan...
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