PROBLEM TO BE SOLVED: To provide a robot control system capable of identifying sets of teach pendants (TP) and controllers (RC) for which communication has been established easily in a case where multiple TPs and multiple RCs existSOLUTION: A TP 10 comprises: a switch 52 for confirming a connection destination RC of communications; an emergency stop switch 70 for displaying the presence of a connection destination, if any; and a CPU 11 that performs processing for determining the connection destination and the like The CPU 11 detects an operation of the switch 52 and sends a confirmation command to a connection destination RC, and lights the emergency stop switch 70 in a predetermined pattern in the case of being connected An RC 20 lights either a robot R as a target of control or a connection destination confirmation indicator light 55 in the same pattern as said predetermined pattern In response to the operation of the switch 52, the emergency stop switch 70 and the connection destination confirmation display light 55 are simultaneously lighted or extinguished It is possible to confirm reliably with which RC 20 the TP 10 is connected

Robot control system

PROBLEM TO BE SOLVED: To provide an ion-containing drainage treatment method improved so as to obtain stable treated water quality by particularly improving the turbidity of the treated water in the ion-containing drainage treatment method of circulating a part of sludge, mixing the circulated sludge with an alkali compound and loading it into the ion-containing drainage. SOLUTION: A flocculation precipitation treatment method of the ion-containing drainage comprises forming an insoluble substance including a hardly soluble salt by loading the ion-containing drainage with the alkali compound which forms the hardly soluble salt by reaction with the ion, flocculating the insoluble substance by loading the sludge containing the produced insoluble substance with a polymer flocculant, recovering concentrated sludge by carrying out sedimentation and separation of the flocculated insoluble substance, mixing a part of the recovered concentrated sludge and the alkali compound, and using obtained alkali compound-containing concentrated sludge as the alkali compound of the above reaction, wherein a cationic polymer flocculant and an anionic polymer flocculant are used together as the polymer flocculant. COPYRIGHT: (C)2008,JPO&INPIT

Flocculation precipitation treatment method of ion-containing drainage

PROBLEM TO BE SOLVED: To provide a water treatment apparatus whose treatment target is water containing organic compounds forming a coordinate bond with a metal ion as a target and which reduces the amount of activated carbon used in activated carbon adsorption treatment. SOLUTION: The water treatment apparatus includes a Fenton treatment means whose treatment target is water containing the organic compounds forming a coordinate bond with a metal ion and which performs the Fenton treatment of the water, a coagulation treatment means which adds a coagulant to the Fenton treated water having been subjected to the Fenton treatment to perform coagulation treatment, a biological treatment means which performs the biological treatment of the coagulation treated water having been subjected to the coagulation treatment, a pH adjusting means which adjusts the pH of the biologically treated water having been subjected to the biological treatment to ≥4.0 and ≤6.0, and an activated carbon adsorption treatment means which performs the activated carbon adsorption treatment of the pH adjusted biologically treated water having been subjected to the pH adjustment. COPYRIGHT: (C)2011,JPO&INPIT

Water treatment apparatus and method

Provided is a water treatment device which treats water containing a polyvalent aminocarboxylic acid compound and a polyester resin and reduces the amount of sludge generated. SOLUTION: A water containing a polyvalent aminocarboxylic acid compound and a polyester resin is treated, and a fenton treatment means for performing the Fenton treatment of the water, and an inorganic flocculant is added to the Fenton treated water subjected to the Fenton treatment. Aggregating treatment means for performing aggregating treatment, and a dissociation constant for n dissociation among n carboxyl groups of the polyvalent aminocarboxylic acid compound is pKa (n), a dissociation constant for 3n / 4 dissociation PH adjusting means for adjusting the pH of the liquid after addition of the inorganic flocculant to be pKa (3n / 4) or more and pKa (n) or less, where pKa (3n / 4) is water. It is a processing device. [Selection] Figure 1

Water treatment apparatus and water treatment method

PROBLEM TO BE SOLVED: To provide coagulation sedimentation equipment capable of achieving the improvement of the rate of coagulation sedimentation treatment, uniformity of scattering of to-be-treated water into a tank, early formation of a slurry blanket layer during operation of the equipment, improvement of the solid concentration of the sludge drawn from the tank and securement of clear quality of treated water SOLUTION: The coagulation sedimentation equipment clarifies target water by sedimenting suspended matter and flocculation floc in the target water in the tank so as to form a slurry blanket layer and includes a chamber arranged in the tank and introduced with the target water, a distributer arranged at the lower end of the chamber in a rotatable way and having a blow-off tube which has a blow-off hole discharging the target water in the chamber toward the lower part of the tank and a baffle board arranged below the blow-off hole and rotating with the distributer COPYRIGHT: (C)2010,JPO&INPIT

Coagulation sedimentation equipment

PROBLEM TO BE SOLVED: To provide a crystallization reactor which can reduce the level of ions contained in a recovered crystal of a hardly soluble salt. SOLUTION: This crystallization reactor is designed for producing the crystal of the hardly soluble salt by adding a crystallization agent to untreated water containing a substance to be crystallized. In addition, this reactor includes a crystallization reaction tank for producing the crystal of the hardly soluble salt by adding the crystallization agent to the untreated water, an extraction means for extracting at least, a part of slurry containing the crystal produced in the crystallization reaction tank, a dehydration means for dehydrating the extracted slurry, and a cleaning means for cleaning the dehydrated crystal. COPYRIGHT: (C)2009,JPO&INPIT

Crystallization reactor and crystallization reaction method

PROBLEM TO BE SOLVED: To provide a method for treating water containing fluorine and phosphorus capable of enhancing an effect by a sludge circulation method up to the most, further enhancing removal rates of fluorine and phosphorus contained and also effectively reducing loadings of an inorganic flocculent, and an apparatus therefor. SOLUTION: The method for treating the water containing fluorine and phosphorus is characterized by including a first process in which the water containing fluorine or/and phosphorus is acted by a calcium compound and made insoluble as calcium fluoride or/and calcium phosphate, a second process for adding sludge removed from a later stage and carried out regeneration treatment to the waste water from the first process to be mixed, a third process for adding an aluminum salt to the waste water from the second process to prepare an insoluble matter, a fourth process for separating the sludge containing the prepared insoluble matter to obtain treated water and discharge the sludge, and a fifth process for removing a part of the sludge, carrying out the regeneration treatment in which aluminum contained in the sludge is dissolved by adding an acid or an alkali and recirculating to the second process. COPYRIGHT: (C)2006,JPO&NCIPI

Method for treating water containing fluorine and phosphorus, and apparatus therefor

PROBLEM TO BE SOLVED: To provide a method for treating water containing fluorine and phosphorus capable of enhancing an effect by a sludge circulation method capable of enhancing a removal rate of fluorine and phosphorus to be contained to the utmost. SOLUTION: The method for treating the water containing fluorine and phosphorus comprises a first process in which a calcium compound is made to act on the water containing fluorine or/and phosphorus and most of fluorine or/and phosphorus are made insoluble as calcium fluoride or/and calcium phosphate, a second process for adding an aluminum salt to waste water from the first process thereby preparing an insoluble matter, and a solid-liquid separation process for separating sludge containing the prepared insoluble matter to obtain treated water, wherein a part of the sludge separated by the solid-liquid separation process is recirculated to both the first process and the second process. COPYRIGHT: (C)2006,JPO&NCIPI

Method for treating water containing fluorine and phosphorus

PROBLEM TO BE SOLVED: To provide a method and an apparatus for treating chelating agent-containing water with fluorine and phosphorus, in which water containing a chelating agent is subjected to Fenton treatment before the chelating agent-containing water is treated with fluorine and phosphorus, to form a calcium compound stably, so that the amount of sludge to be generated is reduced and higher-quality treated water is obtained. SOLUTION: The method for treating the chelating agent-containing water with fluorine and phosphorus comprises: a insolubilized material formation step of reacting the calcium compound with raw water containing the chelating agent and hydrofluoric acid and/or phosphorus to form an insolubilized material; and a solid-liquid separation step of subjecting the formed insolubilized material to solid-liquid separation to obtain treated water. Such a step that raw water is subjected to Fenton treatment in the presence of a ferrous ion and H 2 O 2 , is arranged substantially before the insolubilized material formation step. COPYRIGHT: (C)2007,JPO&INPIT

Method and apparatus for treating chelating agent-containing water with fluorine and phosphorus

PROBLEM TO BE SOLVED: To develop a fluorine crystallization technology which can reduce the quantity of generated fine particles and improve the recovery rate of fluorine without requiring a low pH/high temperature condition. SOLUTION: In the fluorine crystallization technology which crystallizes a fluorine compound on a seed crystal, an agitator is installed in a reaction tank for mixing fluorine-containing water and a reactant, and the fluorine-containing water and/or the reactant are discharged into a quickly dispersible area in the reaction tank by an agitation flow. COPYRIGHT: (C)2008,JPO&INPIT

Toru Nakano

Papers

Crystallization reactor and crystallization reaction method

Method for treating water containing fluorine and phosphorus, and apparatus therefor

Method for treating water containing fluorine and phosphorus

Method and apparatus for treating chelating agent-containing water with fluorine and phosphorus

Fluorine crystallization technology