WO2013098959A1 - 塗料混合装置および塗料混合方法 - Google Patents
塗料混合装置および塗料混合方法 Download PDFInfo
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- WO2013098959A1 WO2013098959A1 PCT/JP2011/080284 JP2011080284W WO2013098959A1 WO 2013098959 A1 WO2013098959 A1 WO 2013098959A1 JP 2011080284 W JP2011080284 W JP 2011080284W WO 2013098959 A1 WO2013098959 A1 WO 2013098959A1
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- air pressure
- mixing tank
- coating material
- stirring
- paint
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/40—Mixing liquids with liquids; Emulsifying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/84—Mixing plants with mixing receptacles receiving material dispensed from several component receptacles, e.g. paint tins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/21—Measuring
- B01F35/211—Measuring of the operational parameters
- B01F35/2117—Weight
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/22—Control or regulation
- B01F35/221—Control or regulation of operational parameters, e.g. level of material in the mixer, temperature or pressure
- B01F35/2214—Speed during the operation
- B01F35/22142—Speed of the mixing device during the operation
- B01F35/221422—Speed of rotation of the mixing axis, stirrer or receptacle during the operation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
- B01F35/32—Driving arrangements
- B01F35/32005—Type of drive
- B01F35/3203—Gas driven
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/60—Safety arrangements
- B01F35/605—Safety devices concerning the operation of the mixer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
- B01F35/88—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise
- B01F35/881—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise by weighing, e.g. with automatic discharge
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44D—PAINTING OR ARTISTIC DRAWING, NOT OTHERWISE PROVIDED FOR; PRESERVING PAINTINGS; SURFACE TREATMENT TO OBTAIN SPECIAL ARTISTIC SURFACE EFFECTS OR FINISHES
- B44D3/00—Accessories or implements for use in connection with painting or artistic drawing, not otherwise provided for; Methods or devices for colour determination, selection, or synthesis, e.g. use of colour tables
- B44D3/06—Implements for stirring or mixing paints
Definitions
- the present invention relates to a paint mixing apparatus and a paint mixing method for mixing a plurality of paint raw materials such as a main agent, a curing agent, and a solvent thinner.
- a paint mixing apparatus shown in FIG. 5 is used as a method of taking out a mixed paint raw material after stirring and mixing such a plurality of paint raw materials in a mixing tank.
- the coating material mixing apparatus 100 includes raw material tanks 102 to 106 for storing a plurality of coating material raw materials A to C, respectively. These raw material tanks 102 to 106 measure and supply a plurality of paint raw materials to the mixing tank 114 via the metering pumps 102a to 106a and the metering valves 102b to 106b provided in the supply paths 108 to 112, respectively. It is comprised so that.
- the mixing tank 114 is provided with a stirring device 116 for stirring the paint raw material D (paint raw materials A, B, C) (hereinafter simply referred to as “paint raw material D”) supplied into the mixing tank 114.
- a weight measuring device 118 for measuring the weight (capacity) of the coating material D in the mixing tank 114 supplied to the mixing tank 114 is provided below the mixing tank 114.
- the stirring device 116 is a stirring device driven by an air motor that is rotated by air supplied from an air source.
- the stirring device 116 is provided in the air supply path 120 from the air source, for example, Air from an air source is supplied to the stirring device 116 via a control valve 122 such as an electromagnetic valve and an air pressure adjustment valve 124.
- the measurement data measured by the weight measuring device 118 is configured to be input to the control unit 128 via the measurement data output line 126.
- control valve 122 is connected to the control unit 128 via the control signal line 130. Then, an ON / OFF digital signal is generated in accordance with a program stored in the control unit 128 in advance, as shown in FIG. 5, and the control valve 122 is sent from the control unit 128 via the control signal line 130. It is configured to be opened and closed.
- the bottom of the mixing tank 114 is for taking out the paint D stirred in the mixing tank 114 (the state where the paint raw materials A, B, and C are stirred) (hereinafter simply referred to as “paint D”).
- a discharge line 132 is connected, and the paint E stirred and mixed in the mixing tank 114 is temporarily stored in the relay rod 138 via the open / close valve 134 and the discharge pump 136.
- the paint E temporarily stored in the relay rod 138 is configured to be supplied to a coating machine (not shown).
- the paint mixing method using the paint mixing apparatus configured as described above is performed as follows, as shown in the flowchart of FIG. (A) Metering supply step As shown in the flowchart of FIG. 6, based on the start signal from the control unit 128, in step S1, the metering valve 102b provided in the supply path 108 is opened and the metering pump 102a is operated. It is supposed to be activated.
- the coating material A is supplied into the mixing tank 114 from the material tank 102 containing the coating material A.
- step S2 it is determined whether or not a predetermined measured value has been reached. If the predetermined measured value has not been reached, the supply of the coating material A into the mixing tank 114 is continued.
- step S3 the operation of the metering pump 102a provided in the supply path 108 is stopped, and the metering valve 102b is closed.
- step S4 it is determined whether or not all of the paint has been supplied. If all of the paint has not been supplied, supply of the next paint raw material B is started, and step S1 is performed in the same manner as described above. Based on ⁇ S3, the coating material B is supplied into the mixing tank 114 from the material tank 104 containing the coating material B.
- step S4 it is determined whether or not all the paints have been supplied. If all the paints have not been supplied, the supply of the next paint raw material C is started, and in the same manner as described above, step S1. Based on -S3, the coating material C is supplied into the mixing tank 114 from the material tank 106 containing the coating material C.
- step S4 it is determined whether or not all the paint has been supplied. When all the paint has been supplied, the process proceeds to the next stirring step.
- step S5 the air from the air source is supplied to the stirrer 116 via the air supply path 120 and the air pressure adjustment valve 124, and the stirrer 116 is started.
- the coating material D supplied into the tank 114 is agitated.
- step S6 it is determined whether or not the predetermined stirring time T has elapsed. If the predetermined stirring time T has not elapsed, the stirring of the coating material D by the stirring device 116 is continued.
- step S7 the controller 128 generates an ON / OFF digital signal as shown in FIG. Is input to the control valve 122 via the control signal line 130, and the control valve 122 is closed.
- step S7 the supply of air from the air source to the stirring device 116 via the air supply path 120 and the air pressure adjustment valve 124 is stopped, and the stirring device 116 is stopped. Agitation of the coating material D supplied into the mixing tank 114 by the apparatus 116 is stopped.
- step S8 the on-off valve 134 is opened, the discharge pump 136 is activated, and the paint D stirred and mixed in the mixing tank 114 is discharged via the discharge line 132.
- the paint E stirred and mixed in the mixing tank 114 is temporarily stored in the relay rod 138.
- the paint E temporarily stored in the relay rod 138 is configured to be supplied to a coating machine (not shown).
- the mixing amount in the mixing tank 114 that is, the amount of the coating material D supplied into the mixing tank 114 is as follows. Can be changed arbitrarily.
- Patent Document 1 Japanese Patent Laid-Open No. 7-136478 discloses a stock solution supply apparatus 200 as shown in the schematic diagram of FIG.
- the stock solution supply apparatus 200 includes a stock solution tank 202 and a load cell 204 that generates an output signal corresponding to the weight of the stock solution tank 202.
- a stirrer 206 that stirs the stock solution in the stock solution tank 202 is attached to the stock solution tank 202.
- control device 208 that controls the rotational speed of the stirrer 206 in accordance with the remaining amount of the stock solution detected based on the output signal from the load cell 204.
- the stock solution can be mixed uniformly regardless of the remaining amount of the stock solution in the stock solution tank 202.
- the undiluted solution supply apparatus 200 of this Patent Document 1 is intended for the undiluted solution supply apparatus 200 used at the time of undiluted solution preparation in the production of drinking water, a chemical solution, etc.
- the present invention is not intended for a paint mixing apparatus provided with a stirring device that is required to be explosion-proof so as not to ignite the paint.
- the stirrer 206 is a stirrer such as an electric motor drive and may ignite the coating material. For example, in use in a hazardous area where dangerous materials are handled, explosion proof If it is not structured, it cannot be used.
- the motor of the stirrer 206 and the control panel of the control device 208 need to have an explosion-proof structure, which increases the size and the structure.
- Patent Document 2 Japanese Patent Laid-Open No. 2000-1636 discloses a paint stirring device 300 having a configuration as shown in the schematic diagram of FIG.
- a stirrer 304 including a three-phase induction motor 302 is attached to the storage tank 306.
- an inverter 308 is provided that outputs a frequency (number of rotations) to the three-phase induction motor 302 and performs variable control of the number of rotations.
- control unit 310 that performs operation control and speed control of the inverter unit 308 is provided.
- an agitation device 300 in which an electric motor is used for the power of the agitator 304 of the storage tank 306 and the rotation speed of the agitator 304 is controlled by the inverter based on the weight of the storage tank 306 by the inverter 308.
- the stirrer 304 is an agitator such as an electric motor drive, and there is a risk of igniting the paint raw material. For example, when used in a hazardous area where dangerous materials are handled, an explosion-proof structure is required. Cannot be used.
- Patent Document 2 if the inverter 308 and the control unit 310 have an explosion-proof structure, the size is increased and the structure is complicated.
- the present invention can adjust the stirring speed (rotation speed) of the stirring device according to the weight (capacity) of the coating material in the mixing tank.
- a paint mixing apparatus and a paint mixing method capable of constructing an explosion-proof structure relatively easily when used in a hazardous area where dangerous materials are handled, for example, without the possibility of igniting paint raw materials. For the purpose.
- the present invention provides a paint mixing apparatus and a paint mixing method that can reduce the size of a motor, a control panel, and the like of a stirrer and that can have a simple structure and can reduce costs. Objective.
- the stirring speed of the stirring device in the stirring step, can be controlled to an appropriate stirring speed according to the amount of the coating material supplied into the mixing tank, that is, the weight of the coating material in the mixing tank.
- the stirring speed of the stirring device can be controlled to an appropriate stirring speed according to the weight of the coating material in the mixing tank, and even when the amount of the coating material supplied into the mixing tank is small, There is no paint loss due to paint splashing.
- a paint mixing device for mixing a plurality of paint raw materials A mixing tank in which a plurality of paints are weighed and supplied; A stirring device for stirring the coating material supplied into the mixing tank; According to the weight of the coating material in the mixing tank supplied to the mixing tank, and a stirring control unit that controls the stirring speed of the stirring device,
- the stirring device is a stirring device driven by an air motor rotated by air supplied from an air source,
- the stirring control unit is A plurality of air pressure adjusting valves for adjusting the air pressure supplied to the air motor according to the weight of the coating material in the mixing tank; A control valve for switching the plurality of air pressure adjusting valves according to the weight of the coating material in the mixing tank; According to the weight of the coating material in the mixing tank, a control unit that controls to select and switch the control valve, It is characterized by providing.
- the paint mixing method of the present invention A metering process for measuring a plurality of paints and feeding them to the mixing tank;
- a paint mixing method including a stirring step of stirring the paint raw material supplied into the mixing tank by a stirring device,
- the stirring device is a stirring device driven by an air motor rotated by air supplied from an air source
- the stirring control unit includes a stirring control step of controlling the stirring speed of the stirring device according to the weight of the coating material raw material in the mixing tank supplied to the mixing tank,
- the stirring control unit is A plurality of air pressure adjusting valves for adjusting the air pressure supplied to the air motor according to the weight of the coating material in the mixing tank;
- a control valve for switching the plurality of air pressure adjusting valves according to the weight of the coating material in the mixing tank;
- a control unit that controls to select and switch the control valve, It is characterized by providing.
- the stirring device is a stirring device driven by an air motor that is rotated by air supplied from an air source, and the air pressure (number of rotations) to the stirring device is the coating material in the mixing tank. Because it is not a stirring device such as an electric motor drive, it can be adjusted according to the weight (capacity) of the paint, so that it does not ignite the paint raw material. For example, it is relatively An explosion-proof structure can be easily obtained.
- a plurality of air pressure adjustment valves that adjust the air pressure supplied to the air motor according to the weight of the paint raw material in the mixing tank, and the plurality of air pressure adjustment valves, the weight of the paint raw material in the mixing tank It is only necessary to provide a control valve that switches according to the control valve and a control unit that controls to select and switch the control valve according to the weight of the coating material in the mixing tank.
- the structure can be simple and the cost can be reduced.
- the air pressure supplied to the air motor can be adjusted according to the amount of the coating material supplied into the mixing tank, that is, the weight of the coating material in the mixing tank.
- An appropriate stirring speed can be controlled, and even when the supply amount of the coating material into the mixing tank is large, insufficient stirring of the coating material does not occur, and the coating material can be reliably stirred and mixed.
- the stirring speed of the stirring device can be controlled to an appropriate stirring speed, and the paint into the mixing tank can be controlled. Even when the supply amount of the raw material is small, the paint jumps and paint loss does not occur. In addition, the paint mixing device is not contaminated, and it is easy to clean up after work, workability is improved, and maintenance is excellent.
- control valve is composed of a plurality of control valves arranged corresponding to the plurality of air pressure regulating valves
- the control unit is configured to control the air pressure supplied to the corresponding air pressure adjusting valve by each control valve by selecting and switching the control valve according to the weight of the coating material in the mixing tank. It is characterized by being.
- control valve is comprised from the several control valve arrange
- the air pressure supplied to the corresponding air pressure adjusting valve by each control valve is controlled.
- the air pressure supplied to the air pressure regulating valve is controlled in a so-called multi-stage, and the stirring speed of the stirring device can be controlled to an appropriate stirring speed.
- control valve is composed of one switching valve arranged corresponding to a plurality of air pressure regulating valves,
- the control unit operates the switching valve according to the weight of the coating material in the mixing tank so that the air pressure adjustment valve is selected and the air pressure supplied to the air pressure adjustment valve is controlled. It is configured.
- the switching valve operates according to the weight of the coating material in the mixing tank, so that the air pressure adjustment valve is selected and the air pressure supplied to the air pressure adjustment valve is controlled.
- the switching valve operates according to the weight of the paint raw material in the mixing tank, so that the air pressure adjustment valve is selected, and the so-called high rotation state (High) and low rotation state (Low) are in two stages. Since it is only necessary to control the air pressure supplied from the air pressure adjusting valve, the control is also simplified.
- the stirrer is a stirrer driven by an air motor rotated by air supplied from an air source, and the air pressure (number of rotations) to the stirrer is set to the weight of the coating material in the mixing tank. Since it can be adjusted according to (capacity), it is not an agitator such as an electric motor drive, so it does not ignite paint raw materials, for example, it is relatively easy to use in hazardous areas where dangerous materials are handled. It can be an explosion-proof structure.
- a plurality of air pressure adjustment valves that adjust the air pressure supplied to the air motor according to the weight of the paint raw material in the mixing tank, and the plurality of air pressure adjustment valves, the weight of the paint raw material in the mixing tank It is only necessary to provide a control valve that switches according to the control valve and a control unit that controls to select and switch the control valve according to the weight of the coating material in the mixing tank.
- the structure can be simple and the cost can be reduced.
- the air pressure supplied to the air motor can be adjusted according to the amount of the coating material supplied into the mixing tank, that is, the weight of the coating material in the mixing tank.
- An appropriate stirring speed can be controlled, and even when the supply amount of the coating material into the mixing tank is large, insufficient stirring of the coating material does not occur, and the coating material can be reliably stirred and mixed.
- the stirring speed of the stirring device can be controlled to an appropriate stirring speed, and the paint into the mixing tank can be controlled. Even when the supply amount of the raw material is small, the paint jumps and paint loss does not occur. In addition, the paint mixing device is not contaminated, and it is easy to clean up after work, workability is improved, and maintenance is excellent.
- FIG. 1 is a schematic view of a paint mixing apparatus 10 of the present invention.
- FIG. 2 is a flowchart showing a paint mixing method using the paint mixing apparatus 10 of the present invention.
- FIG. 3 is a schematic view of a paint mixing apparatus 10 according to another embodiment of the present invention.
- FIG. 4 is a flowchart showing a paint mixing method using the paint mixing apparatus 10 of the present invention shown in FIG.
- FIG. 5 is a schematic view of a conventional paint mixing apparatus.
- FIG. 6 is a flowchart showing a paint mixing method using a conventional paint mixing apparatus.
- FIG. 7 is a schematic view of a conventional paint mixing apparatus.
- FIG. 8 is a schematic view of a conventional paint mixing apparatus.
- FIG. 1 is a schematic view of a paint mixing apparatus 10 of the present invention
- FIG. 2 is a flowchart showing a paint mixing method using the paint mixing apparatus 10 of the present invention.
- the paint mixing apparatus 10 of the present invention includes a plurality of paint raw materials A (for example, a main agent), a paint raw material B (for example, a curing agent), and a paint raw material C (for example, a thinner that is a solvent).
- paint raw materials A for example, a main agent
- paint raw material B for example, a curing agent
- paint raw material C for example, a thinner that is a solvent
- the coating materials A to C are illustrated in parentheses, but other coating materials A to C may be used.
- the case where three types of paint raw materials A to C are used has been described, but the number thereof may be plural and is not particularly limited.
- FIG. 1 it is possible not to include the raw material tanks 12 to 16 but to use only the part indicated by the dotted line as the paint mixing device 10.
- These raw material tanks 12 to 16 measure and supply a plurality of paints to the mixing tank 24 via the metering pumps 12a to 16a and the metering valves 12b to 16b provided in the supply paths 18 to 22, respectively. It is configured as follows.
- the mixing tank 24 is provided with a stirring device 26 for stirring the coating material D supplied into the mixing tank 24.
- a weight measuring device 28 such as a load cell for measuring the weight (capacity) of the coating material D in the mixing tank 24 supplied to the mixing tank 24 is provided below the mixing tank 24. .
- the stirring device 26 is a stirring device driven by an air motor that is rotated by air supplied from an air source.
- the stirring device 26 is provided with a plurality of control valves 32a to 32x such as electromagnetic valves provided in the air supply path 30 from the air source.
- the agitation speed of the agitator 26 is controlled by controlling the air pressure supplied to the air pressure regulating valves 34a to 34c in a so-called multi-stage in accordance with the total weight of the coating material D in the mixing tank 24. Is more finely controlled to an appropriate stirring speed, the number of the plurality of control valves 32a to 32x may be increased. However, if the number of the plurality of control valves 32a to 32x is too large, it is not preferable in view of compactness, and an appropriate number may be selected.
- a plurality of control valves 32a to 32x are provided to control the agitation speed in multiple stages.
- a control valve a signal corresponding to the weight is used to continuously control the pressure. If a control valve capable of controlling the pressure is used, the stirring speed can be controlled.
- the air supply path 30 is branched into three air supply paths 30a to 30c corresponding to the three control valves 32a to 32c.
- the air supply paths 30a to 30c are provided with three air pressure adjusting valves 34a to 34c corresponding to the three control valves 32a to 32c, respectively.
- the air from the air source is supplied to the agitator 26 through the control valves 32a to 32c and the air pressure adjusting valves 34a to 34c.
- reference numerals 11a to 11c denote check valves (check valves) provided between the air pressure adjusting valves 34a to 34c and the stirring device 26.
- the measurement data measured by the weight measuring device 28 is configured to be input to the stirring control circuit 38a of the control unit 38 via the measurement data output line 36.
- control valves 32a to 32c are connected to the agitation control circuit 38a of the control unit 38 via control signal lines 40a to 40c, respectively.
- an ON / OFF digital signal is generated in accordance with a program stored in advance in the control unit 38 as in FIG. 5, and the three control valves are supplied from the control unit 38 via the control signal lines 40a to 40c. 32a to 32c are configured to be selectively opened and closed.
- a discharge line 42 for taking out the paint D stirred and mixed in the mixing tank 24 is connected to the bottom of the mixing tank 24, and is connected to a relay tank (not shown) via an open / close valve 44 and a discharge pump 46.
- the paint E that has been stirred and mixed in the mixing tank 24 is temporarily stored.
- the coating material E temporarily stored by the relay tank is comprised so that it may supply to the coating machine etc. which are not shown in figure.
- the air pressure adjusting valves 34a to 34c, the control valves 32a to 32c, and the stirring control circuit 38a of the control unit 38 are mixed in accordance with the total weight of the coating material D in the mixing tank 24 supplied to the mixing tank 24.
- the stirring control part which controls 26 stirring speed is comprised.
- the paint mixing method using the paint mixing apparatus 10 of the present invention configured as described above is performed as follows as shown in the flowchart of FIG. (A) Metering supply step As shown in the flowchart of FIG. 2, based on the start signal from the control unit 38, the metering valve 12b provided in the supply path 18 is opened and the metering pump 12a is turned on in step S1. It is supposed to be activated.
- the coating material A is supplied into the mixing tank 24 from the material tank 12 containing the coating material A.
- step S2 it is determined whether or not a predetermined measured value has been reached. If the predetermined measured value has not been reached, the supply of the coating material A into the mixing tank 24 is continued.
- step S3 the operation of the metering pump 12a provided in the supply path 18 is stopped, and the metering valve 12b is closed.
- step S4 it is determined whether or not all of the paint has been supplied. If all of the paint has not been supplied, supply of the next paint raw material B is started, and step S1 is performed in the same manner as described above. Based on ⁇ S3, the coating material B is supplied into the mixing tank 24 from the material tank 14 containing the coating material B.
- step S4 it is determined whether or not all the paints have been supplied. If all the paints have not been supplied, the supply of the next paint raw material C is started, and in the same manner as described above, step S1. Based on ⁇ S3, the coating material C is supplied into the mixing tank 24 from the material tank 16 containing the coating material C.
- step S4 it is determined whether or not all the paint has been supplied. When all the paint has been supplied, the process proceeds to the next stirring step.
- measurement data P which is the total weight data of the coating material D supplied into the mixing tank 24 and measured by the weight measuring device 28 in step S5
- the input is input to the stirring control circuit 38 a of the control unit 38 via 36. Then, it is determined whether or not the measurement data P is equal to or less than a predetermined weight value W1 in the stirring control circuit 38a of the control unit 38.
- step S6 When the measurement data P is equal to or less than the predetermined weight value W1 (P ⁇ W1), in step S6, according to the program stored in advance in the control unit 38, ON / OFF is performed as in FIG. Is generated, an ON signal is input from the stirring control circuit 38a of the control unit 38 to the control valve 32a via the control signal line 40a, and the control valve 32a is opened.
- the air from the air source is supplied to the stirring device 26 via the air supply path 30a and the air pressure adjustment valve 34a, and the stirring device 26 is started.
- the stirring device 26 supplies the air into the mixing tank 24.
- the prepared coating material D is agitated.
- step S7 it is determined whether or not the predetermined stirring time T has elapsed. If the predetermined stirring time T has not elapsed, the coating material D supplied into the mixing tank 24 by the stirring device 26 is obtained. Stirring is continued.
- step S8 the control unit 38 generates an ON / OFF digital signal as shown in FIG. Is input to the control valve 32a through the control signal line 40a, and the control valve 32a is closed.
- step S8 the supply of air from the air source to the stirring device 26 via the air supply path 30a and the air pressure adjusting valve 34a is stopped, and the stirring device 26 is stopped.
- the stirring of the coating material D supplied into the mixing tank 24 by the stirring device 26 is stopped.
- the process proceeds to a discharge process for supplying the mixing tank 24 to the outside such as a relay tank.
- step S5 when the measurement data P exceeds the predetermined weight value W1 in step S5 (P> W1), the process proceeds to step S9, where the measurement data P exceeds the predetermined weight value W1 and the predetermined weight value. It is determined whether it is W2 or less.
- the program is stored in advance in the control unit 38 in step S10. Therefore, as in FIG. 5, an ON / OFF digital signal is generated, and an ON signal is input from the agitation control circuit 38a of the control unit 38 to the control valve 32b via the control signal line 40b. 32b is opened.
- the air from the air source is supplied to the stirring device 26 via the air supply path 30b and the air pressure adjustment valve 34b, and the stirring device 26 is started.
- the stirring device 26 supplies the air into the mixing tank 24.
- the prepared coating material D is agitated.
- step S7 it is determined whether or not the predetermined stirring time T has elapsed. If the predetermined stirring time T has not elapsed, the mixture is supplied into the mixing tank 24 by the stirring device 26. Stirring of the applied coating material D is continued.
- step S8 the control unit 38 generates an ON / OFF digital signal as shown in FIG. Is input to the control valve 32b via the control signal line 40b, and the control valve 32b is closed.
- step S8 the supply of air from the air source to the stirrer 26 via the air supply path 30b and the air pressure adjustment valve 34b is stopped, the stirrer 26 is stopped, and the stirrer The stirring of the coating material D supplied into the mixing tank 24 by 26 is stopped.
- the process proceeds to a discharge process for supplying the mixing tank 24 to the outside such as a relay tank.
- step S11 when the measurement data P exceeds the predetermined weight value W2 in step S9 (P> W2), in step S11, according to the program stored in advance in the control unit 38, as in FIG. An ON / OFF digital signal is generated, an ON signal is input from the stirring control circuit 38a of the control unit 38 to the control valve 32c via the control signal line 40c, and the control valve 32c is opened.
- the air from the air source is supplied to the stirrer 26 through the air supply path 30c and the air pressure adjustment valve 34c, and the stirrer 26 is started.
- the coating material D supplied into the mixing tank 24 is agitated.
- step S7 it is determined whether or not the predetermined stirring time T has elapsed. If the predetermined stirring time T has not elapsed, the mixture is supplied into the mixing tank 24 by the stirring device 26. Stirring of the applied coating material D is continued.
- step S8 the control unit 38 generates an ON / OFF digital signal as shown in FIG. Is input to the control valve 32c through the control signal line 40c, and the control valve 32c is closed.
- step S8 the supply of air from the air source to the stirring device 26 via the air supply path 30c and the air pressure adjustment valve 34c is stopped, and the stirring device 26 is stopped.
- the stirring of the coating material D supplied into the mixing tank 24 by the stirring device 26 is stopped.
- the process proceeds to a discharge process for supplying the mixing tank 24 to the outside such as a relay tank.
- the air pressure of the air pressure adjusting valves 34a to 34c that is, the stirring speed (rotation speed) of the stirring device 26 is measured by the weight measuring device 28, and is the total weight of the coating material D supplied into the mixing tank 24.
- the air pressure adjustment valve 34a is small, the air pressure adjustment valve 34c is large, and the air pressure adjustment valve 34b is set to an intermediate value according to the measurement data P that is data.
- the measurement data P is determined to be determined from the smaller one of the predetermined weight values (W1) to the larger one (W2). Of course, the one having the larger predetermined weight value (W2). It is also possible to configure so that the smaller one (W1) is determined.
- C Discharge process
- the on-off valve 44 is opened, the discharge pump 46 is activated, and the paint D stirred and mixed in the mixing tank 24 passes through the discharge line 42.
- the paint E stirred and mixed in the mixing tank 24 is temporarily stored in a relay tank (not shown).
- the paint E temporarily stored in the relay tank is configured to be supplied to a painting machine (not shown).
- control valve is composed of a plurality of control valves 32a to 32c arranged corresponding to the plurality of air pressure adjusting valves 34a to 34c, and the weight of the coating material raw material in the mixing tank 24 Accordingly, by selecting and switching the control valves 32a to 32c, the air pressure supplied from the corresponding air pressure adjusting valves 34a to 34c is controlled by the control valves 32a to 32c.
- FIG. 3 is a schematic view of a paint mixing apparatus 10 according to another embodiment of the present invention
- FIG. 4 is a flowchart showing a paint mixing method using the paint mixing apparatus 10 of the present invention shown in FIG.
- the paint mixing apparatus 10 of this embodiment has basically the same configuration as the paint mixing apparatus 10 of Embodiment 1 shown in FIGS. 1 and 2, and the same reference numerals are assigned to the same components. Detailed description thereof will be omitted.
- a plurality of air pressure adjustment valves are provided as control valves.
- two air pressure adjustment valves 34a and 34b are provided. Yes.
- the stirring device 26 is provided with one control valve 32a such as an electromagnetic valve provided in the air supply path 30 from the air source.
- a switching valve 50 is provided between the control valve 32a and the two air pressure adjusting valves 34a and 34b.
- the switching valve 50 is operated according to the total weight of the coating material D in the mixing tank 24, whereby the two air pressure adjusting valves 34a and 34b are selected and supplied to the air pressure adjusting valves 34a and 34b.
- the air pressure is controlled so as to be controlled.
- the paint mixing method using the paint mixing apparatus 10 of the present invention configured as described above is performed as follows, as shown in the flowchart of FIG.
- step S5 measurement that is the total weight data of the coating material D supplied into the mixing tank 24 measured by the weight measuring device 28.
- Data P is input to the agitation control circuit 38 a of the control unit 38 via the measurement data output line 36. Then, it is determined whether or not the measurement data P is equal to or less than a predetermined weight value W1 in the stirring control circuit 38a of the control unit 38.
- an ON / OFF digital signal is generated in accordance with a program stored in advance in the control unit 38 in step S6.
- An ON signal is input from the stirring control circuit 38a of the control unit 38 to the control valve 32a via the control signal line 40, and the control valve 32a is opened.
- step S6 an ON / OFF digital signal is generated according to a program stored in the control unit 38 in advance, and the switching valve 50 is not operated by the OFF signal from the stirring control circuit 38a of the control unit 38.
- the air pressure adjusting valve 34a is switched to the air supply path 30a side.
- the air from the air source is supplied to the stirrer 26 through the air supply path 30a and the air pressure adjustment valve 34a, and the stirrer 26 is started.
- the coating material D supplied into the mixing tank 24 is agitated.
- step S7 it is determined whether or not the predetermined stirring time T has elapsed. If the predetermined stirring time T has not elapsed, the coating material D supplied into the mixing tank 24 by the stirring device 26 is obtained. Stirring is continued.
- step S8 the control unit 38 generates an ON / OFF digital signal as shown in FIG. Is input to the control valve 32a through the control signal line 40a, and the control valve 32a is closed.
- step S8 the supply of air from the air source to the stirring device 26 via the air supply path 30a and the air pressure adjusting valve 34a is stopped, and the stirring device 26 is stopped.
- the stirring of the coating material D supplied into the mixing tank 24 by the stirring device 26 is stopped.
- the process proceeds to a discharge process for supplying the mixing tank 24 to the outside such as a relay tank.
- an ON / OFF digital signal is generated according to a program stored in advance in the control unit 38.
- the ON signal is input to the control valve 32a.
- step S9 an ON / OFF digital signal is generated according to a program stored in advance in the control unit 38, and the switching valve 50 is operated by the ON signal from the stirring control circuit 38a of the control unit 38.
- the air pressure adjusting valve 34b is switched to the air supply path 30b side.
- the air from the air source is supplied to the stirring device 26 via the air supply path 30b and the air pressure adjustment valve 34b, and the stirring device 26 is started.
- the stirring device 26 supplies the air into the mixing tank 24.
- the prepared coating material D is agitated.
- step S7 it is determined whether or not the predetermined stirring time T has elapsed. If the predetermined stirring time T has not elapsed, the coating material D supplied into the mixing tank 24 by the stirring device 26 is obtained. Stirring is continued.
- step S8 the control unit 38 generates an ON / OFF digital signal as shown in FIG. Is input to the control valve 32a through the control signal line 40a, and the control valve 32a is closed.
- step S8 the supply of air from the air source to the stirrer 26 via the air supply path 30b and the air pressure adjustment valve 34b is stopped, the stirrer 26 is stopped, and the stirrer The stirring of the coating material D supplied into the mixing tank 24 by 26 is stopped.
- the process proceeds to a discharge process for supplying the mixing tank 24 to the outside such as a relay tank.
- the air pressure of the air pressure regulating valves 34a and 34b that is, the stirring speed (rotation speed) of the stirring device 26 is measured by the weight measuring device 28, and is the total weight of the coating material D supplied into the mixing tank 24.
- the air pressure adjustment valve 34a is set to be small (Low) and the air pressure adjustment valve 34b is set to be high (High) according to the measurement data P which is data.
- the switching valve 50 is operated according to the total weight of the coating material D in the mixing tank 24, whereby the air pressure adjustment valves 34a and 34b are selected, and the air pressure adjustment valves 34a, 34a, The air pressure supplied to 34b is controlled.
- the switching valve 50 is operated according to the total weight of the coating material D in the mixing tank 24 to select the air pressure regulating valves 34a and 34b, so-called high rotation state (High) and low rotation state. Since it is only necessary to control the air pressure supplied from the air pressure adjusting valves 34a and 34b in the two stages of (Low), the control is also simplified.
- the measurement data P is determined to be determined from the smaller predetermined weight value (W1 or less) to the larger one (exceeds W1).
- the larger predetermined weight value is determined. It is also possible to configure so as to determine from (over W1) to the smaller one (W1 or less).
- one switching valve 50 is provided corresponding to the two air pressure regulating valves 34a and 34b.
- three or more air valves can be formed by using a three-way switching valve, a four-way switching valve, or the like. It is also possible to provide one switching valve 50 for the pressure regulating valve 34.
- the air pressure supplied to the air pressure adjusting valve 34 is controlled in a so-called multi-stage, and the stirring speed of the stirring device 26 is set to an appropriate stirring speed. Can be controlled.
- one switching valve 50 is provided corresponding to the two air pressure adjusting valves 34a and 34b, and the stirring speed is controlled in two stages.
- the stirring speed can also be controlled by using a control valve that can control the pressure steplessly using a signal corresponding to the weight.
- the present invention can be applied to, for example, a paint mixing apparatus and a paint mixing method for mixing a plurality of paint raw materials such as a main agent, a curing agent, and a solvent thinner.
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Abstract
Description
(A)計量供給工程
図6のフローチャートに示したように、制御部128からの開始信号に基づいて、ステップS1において、供給経路108に設けられた計量弁102bが開かれるとともに、計量ポンプ102aが起動されるようになっている。
(B)撹拌工程
次の撹拌工程では、図5に示したように、制御部128において、ON/OFFのデジタル信号が発生されて、制御部128からのON信号が、制御信号ライン130を介して、制御弁122に入力されて、制御弁122が開放される。
(C)排出工程
排出工程では、ステップS8において、開閉弁134が開放されるとともに、排出ポンプ136が起動されて、混合槽114内で撹拌混合された塗料Dが、排出ライン132を介して、中継漕138に、混合槽114内で撹拌混合された塗料Eが一時貯留されるようになっている。
複数の塗料原料を混合するための塗料混合装置であって、
複数の塗料が計量され供給される混合槽と、
前記混合槽内に供給された塗料原料を撹拌するための撹拌装置と、
前記混合槽に供給された混合槽内の塗料原料の重量に応じて、撹拌装置の撹拌速度を制御する撹拌制御部とを備え、
前記撹拌装置が、エアー源から供給されるエアーによって回転されるエアーモーターの駆動による撹拌装置であり、
前記撹拌制御部が、
前記エアーモーターに供給されるエアー圧力を、混合槽内の塗料原料の重量に応じて調整する複数のエアー圧力調整弁と、
前記複数のエアー圧力調整弁を、混合槽内の塗料原料の重量に応じて切り替える制御弁と、
前記混合槽内の塗料原料の重量に応じて、制御弁を選択して切り替えるように制御する制御部と、
を備えることを特徴とする。
複数の塗料を計量して、混合槽に供給する計量供給工程と、
前記混合槽内に供給された塗料原料を、撹拌装置によって撹拌する撹拌工程とを含む塗料混合方法であって、
前記撹拌装置が、エアー源から供給されるエアーによって回転されるエアーモーターの駆動による撹拌装置であり、
前記撹拌工程において、撹拌制御部によって、混合槽に供給された混合槽内の塗料原料の重量に応じて、撹拌装置の撹拌速度を制御する撹拌制御工程を含み、
前記撹拌制御部が、
前記エアーモーターに供給されるエアー圧力を、混合槽内の塗料原料の重量に応じて調整する複数のエアー圧力調整弁と、
前記複数のエアー圧力調整弁を、混合槽内の塗料原料の重量に応じて切り替える制御弁と、
前記混合槽内の塗料原料の重量に応じて、制御弁を選択して切り替えるように制御する制御部と、
を備えることを特徴とする。
前記制御部により、混合槽内の塗料原料の重量に応じて、制御弁を選択して切り替えることによって、各制御弁によって対応するエアー圧力調整弁に供給されるエアー圧力が制御されるように構成されていることを特徴とする。
前記制御部により、混合槽内の塗料原料の重量に応じて、切換え弁が作動することによって、エアー圧力調整弁が選択されて、エアー圧力調整弁に供給されるエアー圧力が制御されるように構成されていることを特徴とする。
図1は、本発明の塗料混合装置10の概略図、図2は、本発明の塗料混合装置10を用いた塗料混合方法を示すフローチャートである。
(A)計量供給工程
図2のフローチャートに示したように、制御部38からの開始信号に基づいて、ステップS1において、供給経路18に設けられた計量弁12bが開かれるとともに、計量ポンプ12aが起動されるようになっている。
(B)撹拌工程
次の撹拌工程では、ステップS5において、重量計測装置28で計測された、混合槽24内に供給された塗料原料Dの総重量データーである計測データーPが、計測データー出力ライン36を介して、制御部38の撹拌制御回路38aに入力される。そして、この計測データーPが、制御部38の撹拌制御回路38a内で、所定の重量値W1以下であるか否か判定される。
(C)排出工程
排出工程では、ステップS12において、開閉弁44が開放されるとともに、排出ポンプ46が起動されて、混合槽24内で撹拌混合された塗料Dが、排出ライン42を介して、図示しない中継槽に、混合槽24内で撹拌混合された塗料Eが一時貯留されるようになっている。
[実施例2]
図3は、本発明の別の実施例の塗料混合装置10の概略図、図4は、図3に示した本発明の塗料混合装置10を用いた塗料混合方法を示すフローチャートである。
(B)撹拌工程
撹拌工程では、図4に示したフローチャートのように、ステップS5において、重量計測装置28で計測された、混合槽24内に供給された塗料原料Dの総重量データーである計測データーPが、計測データー出力ライン36を介して、制御部38の撹拌制御回路38aに入力される。そして、この計測データーPが、制御部38の撹拌制御回路38a内で、所定の重量値W1以下であるか否か判定される。
12~16 原料タンク
12a~16a 計量ポンプ
12b~16b 計量弁
18-22 供給経路
11a-11c チェックバルブ(逆止弁)
24 混合槽
26 撹拌装置
28 重量計測装置
30a-30c エアー供給経路
32a-32c 制御弁
34a-34c エアー圧力調整弁
40a-40c 制御信号ライン
34a~34c エアー圧力調整弁
36 計測データー出力ライン
38 制御部
38a 撹拌制御回路
40a~40c 制御信号ライン
42 排出ライン
44 開閉弁
46 排出ポンプ
50 切換え弁
100 塗料混合装置
102-106 原料タンク
102a-106a 計量ポンプ
102b-106b 計量弁
108-112 供給経路
102 計量ポンプ
114 混合槽
116 撹拌装置
118 重量計測装置
120 エアー供給経路
122 制御弁
124 エアー圧力調整弁
126 計測データー出力ライン
128 制御部
130 制御信号ライン
132 排出ライン
134 開閉弁
136 排出ポンプ
138 中継漕
200 原液供給装置
202 原液タンク
204 ロードセル
206 攪拌機
208 制御装置
300 撹拌装置
302 三相誘導電動機
304 攪拌機
306 貯蔵タンク
308 インバーター
310 制御部
Claims (6)
- 複数の塗料原料を混合するための塗料混合装置であって、
複数の塗料が計量され供給される混合槽と、
前記混合槽内に供給された塗料原料を撹拌するための撹拌装置と、
前記混合槽に供給された混合槽内の塗料原料の重量に応じて、撹拌装置の撹拌速度を制御する撹拌制御部とを備え、
前記撹拌装置が、エアー源から供給されるエアーによって回転されるエアーモーターの駆動による撹拌装置であり、
前記撹拌制御部が、
前記エアーモーターに供給されるエアー圧力を、混合槽内の塗料原料の重量に応じて調整する複数のエアー圧力調整弁と、
前記複数のエアー圧力調整弁を、混合槽内の塗料原料の重量に応じて切り替える制御弁と、
前記混合槽内の塗料原料の重量に応じて、制御弁を選択して切り替えるように制御する制御部と、
を備えることを特徴とする塗料混合装置。 - 前記制御弁が、複数のエアー圧力調整弁に対応して配置された複数の制御弁から構成されており、
前記制御部により、混合槽内の塗料原料の重量に応じて、制御弁を選択して切り替えることによって、各制御弁によって対応するエアー圧力調整弁に供給されるエアー圧力が制御されるように構成されていることを特徴とする請求項1に記載の塗料混合装置。 - 前記制御弁が、複数のエアー圧力調整弁に対応して配置された1つの切換え弁から構成されており、
前記制御部により、混合槽内の塗料原料の重量に応じて、切換え弁が作動することによって、エアー圧力調整弁が選択されて、エアー圧力調整弁に供給されるエアー圧力が制御されるように構成されていることを特徴とする請求項1に記載の塗料混合装置。 - 複数の塗料を計量して、混合槽に供給する計量供給工程と、
前記混合槽内に供給された塗料原料を、撹拌装置によって撹拌する撹拌工程とを含む塗料混合方法であって、
前記撹拌装置が、エアー源から供給されるエアーによって回転されるエアーモーターの駆動による撹拌装置であり、
前記撹拌工程において、撹拌制御部によって、混合槽に供給された混合槽内の塗料原料の重量に応じて、撹拌装置の撹拌速度を制御する撹拌制御工程を含み、
前記撹拌制御部が、
前記エアーモーターに供給されるエアー圧力を、混合槽内の塗料原料の重量に応じて調整する複数のエアー圧力調整弁と、
前記複数のエアー圧力調整弁を、混合槽内の塗料原料の重量に応じて切り替える制御弁と、
前記混合槽内の塗料原料の重量に応じて、制御弁を選択して切り替えるように制御する制御部と、
を備えることを特徴とする塗料混合方法。 - 前記制御弁が、複数のエアー圧力調整弁に対応して配置された複数の制御弁から構成されており、
前記制御部により、混合槽内の塗料原料の重量に応じて、制御弁を選択して切り替えることによって、各制御弁によって対応するエアー圧力調整弁に供給されるエアー圧力が制御されるように構成されていることを特徴とする請求項4に記載の塗料混合方法。 - 前記制御弁が、複数のエアー圧力調整弁に対応して配置された1つの切換え弁から構成されており、
前記制御部により、混合槽内の塗料原料の重量に応じて、切換え弁が作動することによって、エアー圧力調整弁が選択されて、エアー圧力調整弁に供給されるエアー圧力が制御されるように構成されていることを特徴とする請求項4に記載の塗料混合方法。
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WO2019180223A1 (de) * | 2018-03-22 | 2019-09-26 | Basf Coatings Gmbh | Verfahren zur herstellung von beschichtungsmittelzusammensetzungen mittels gravimetrischer dosierung unter durchmischung und anpassung der höhe des rührkörpers an den füllstand |
WO2019180225A1 (de) * | 2018-03-22 | 2019-09-26 | Basf Coatings Gmbh | Herstellung von beschichtungsmittelzusammensetzungen unter anpassung von rührwerksparametern |
JP2021186794A (ja) * | 2020-06-04 | 2021-12-13 | 株式会社三栄商会 | 攪拌装置 |
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CN104759224A (zh) * | 2015-04-25 | 2015-07-08 | 杜志刚 | 一种自动化装修涂料搅拌机 |
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- 2011-12-27 CN CN201180075939.9A patent/CN104010721A/zh active Pending
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WO2017091450A1 (en) * | 2015-11-26 | 2017-06-01 | Carlisle Fluid Technologies, Inc. | Sprayer system |
JP2019505362A (ja) * | 2015-11-26 | 2019-02-28 | カーライル フルイド テクノロジーズ,インコーポレイティド | 噴霧器システム |
US11273462B2 (en) | 2015-11-26 | 2022-03-15 | Carlisle Fluid Technologies, Inc. | Sprayer system |
JP7146634B2 (ja) | 2015-11-26 | 2022-10-04 | カーライル フルイド テクノロジーズ,リミティド ライアビリティ カンパニー | 噴霧器システム |
JP2017154067A (ja) * | 2016-03-01 | 2017-09-07 | 株式会社ナカキン | 撹拌混合装置及び撹拌混合方法 |
WO2019180223A1 (de) * | 2018-03-22 | 2019-09-26 | Basf Coatings Gmbh | Verfahren zur herstellung von beschichtungsmittelzusammensetzungen mittels gravimetrischer dosierung unter durchmischung und anpassung der höhe des rührkörpers an den füllstand |
WO2019180225A1 (de) * | 2018-03-22 | 2019-09-26 | Basf Coatings Gmbh | Herstellung von beschichtungsmittelzusammensetzungen unter anpassung von rührwerksparametern |
US11439965B2 (en) | 2018-03-22 | 2022-09-13 | Basf Coatings Gmbh | Method for producing coating medium compositions by means of gravimetric metering with mixing and adaptation of the height of the stirring element to the level |
JP2021186794A (ja) * | 2020-06-04 | 2021-12-13 | 株式会社三栄商会 | 攪拌装置 |
Also Published As
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CN104010721A (zh) | 2014-08-27 |
KR20140105608A (ko) | 2014-09-01 |
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