WO2019104607A1 - 一种改性uv油漆制备装置及其制备方法 - Google Patents

一种改性uv油漆制备装置及其制备方法 Download PDF

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Publication number
WO2019104607A1
WO2019104607A1 PCT/CN2017/113835 CN2017113835W WO2019104607A1 WO 2019104607 A1 WO2019104607 A1 WO 2019104607A1 CN 2017113835 W CN2017113835 W CN 2017113835W WO 2019104607 A1 WO2019104607 A1 WO 2019104607A1
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Prior art keywords
pipe
control host
solenoid valve
modified
pressure
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PCT/CN2017/113835
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English (en)
French (fr)
Inventor
沈培培
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惠州市永明丰实业有限公司
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Priority to PCT/CN2017/113835 priority Critical patent/WO2019104607A1/zh
Publication of WO2019104607A1 publication Critical patent/WO2019104607A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J4/00—Feed or outlet devices; Feed or outlet control devices
    • B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/42—Regulation; Control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/02—Apparatus characterised by being constructed of material selected for its chemically-resistant properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
    • B01J3/02—Feed or outlet devices therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
    • B01J3/04—Pressure vessels, e.g. autoclaves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00132—Controlling the temperature using electric heating or cooling elements
    • B01J2219/00135—Electric resistance heaters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/02—Apparatus characterised by their chemically-resistant properties
    • B01J2219/025—Apparatus characterised by their chemically-resistant properties characterised by the construction materials of the reactor vessel proper
    • B01J2219/0263—Ceramic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/18—Details relating to the spatial orientation of the reactor
    • B01J2219/185—Details relating to the spatial orientation of the reactor vertical
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/19—Details relating to the geometry of the reactor
    • B01J2219/194—Details relating to the geometry of the reactor round
    • B01J2219/1941—Details relating to the geometry of the reactor round circular or disk-shaped
    • B01J2219/1943—Details relating to the geometry of the reactor round circular or disk-shaped cylindrical

Definitions

  • the invention relates to the technical field of modified UV paint production, in particular to a modified UV paint preparation device and a preparation method thereof.
  • UV paint is UV-curable paint, also known as photo-initiated coating, photo-curing coating, UV-paint is named after the curing method of the paint. It is automatically rolled and sprayed onto the furniture board by machine equipment, in ultraviolet light ( The irradiation of the wavelength of 320-390 nm causes the initiator to decompose, generates free radicals, initiates the reaction of the resin, and instantly solidifies into a film.
  • the UV paint is a coating which can rapidly solidify into a film in a few seconds under the irradiation of ultraviolet rays. Modified UV paints are added with special substances to improve the performance of UV paints. The preparation of modified UV paints is inseparable from heated distillation.
  • the heated distillation of the modified UV paint cannot automatically control the temperature of the distillation and the automatic exhaust and drainage, etc., and often requires regular operation by the worker. If the treatment is not timely, a safety accident may occur.
  • An object of the present invention is to provide a modified UV paint preparation apparatus and a preparation method thereof, in order to solve the above problems.
  • a modified UV paint preparation apparatus comprising a can body, a foot, a feed tube and a discharge tube, the foot being disposed around the bottom surface of the can body, the foot
  • the discharge pipe is disposed on the side of the discharge pipe, the discharge pipe is provided with a solenoid valve 2, the top surface of the tank body is provided with the feed pipe, and the end of the feed pipe is provided with an end cover,
  • An exhaust pipe is disposed on a side of the feed pipe, and the exhaust pipe is provided with a solenoid valve 1 , an outlet pipe is disposed on a side of the tank body, and a solenoid valve 3 is disposed on the outlet pipe.
  • the surface of the can body is provided with a control host, a display screen is disposed on the control host, a control keyboard is disposed on the side of the display screen, and a pressure resistant layer is disposed on the inner side of the can body, and the pressure resistant layer is disposed on the side of the pressure resistant layer.
  • the bottom surface of the tank body is provided with a temperature sensor, the temperature sensor is provided with an electric heating plate, the motor heating base is provided with a motor base, and the bottom surface of the motor base is provided with a servo motor.
  • the end of the servo motor is provided with a rotating shaft, the end of the rotating shaft is provided with a blade, a pressure sensor is arranged above the motor base, a support frame is arranged above the pressure sensor, and the end of the support frame is provided with liquid collecting
  • the bottom surface of the liquid collecting tray is provided with a water delivery pipeline, a gravity sensor is disposed inside the water delivery pipeline, a top plate is disposed above the liquid collecting tray, and a ceiling is disposed on the top surface of the liquid collecting tray.
  • the number of the legs is three
  • the material of the foot is cast iron
  • the material of the discharge tube is aluminum alloy
  • the discharge tube is screwed with the tank body.
  • the action response time of the solenoid valve 2 is not more than 1 s, and the solenoid valve 2 is fixed on the discharge pipe by a screw.
  • the material of the feed pipe is the same as the discharge pipe, and the radial dimension of the feed pipe is 6 mm larger than the radial dimension of the discharge pipe, and the feed pipe and the feed pipe are
  • the can body is screwed, the end cap is made of cemented carbide, and the end cap is screwed to the feed tube.
  • the material of the exhaust pipe is the same as the material of the feed pipe, and the radial dimension of the exhaust pipe is 2 mm smaller than the radial dimension of the discharge pipe.
  • the action response time is the same as that of the solenoid valve 2, and the solenoid valve is fixed to the exhaust pipe by a screw.
  • the material of the outlet pipe is the same as the material of the discharge pipe
  • the radial dimension of the outlet pipe is the same as the radial dimension of the exhaust pipe
  • the action response of the electromagnetic valve three The time is the same as that of the solenoid valve 2, and the solenoid valve 3 is fixed to the outlet pipe by a screw.
  • the model of the control host is PLC S7-600
  • the material of the display screen is IPS
  • the control keyboard is embedded in the control host.
  • the pressure resistant layer is made of an aluminum-magnesium alloy, and the thickness of the pressure-resistant layer is not lower than 8mm, the material of the heat insulation layer is an unsaturated resin, the thickness of the heat insulation layer is not less than 12 mm, and the connection manner of the pressure resistant layer and the heat insulation layer is glued.
  • the working mode of the temperature sensor is a contact type, and the working mode of the electric heating plate is radiant heating, and the rated power of the electric heating plate is not less than 600W.
  • the servo motor has a rated speed of 360 Rpm
  • the servo motor has a waterproof rating of IP43
  • the rotating shaft is made of high-speed steel, and has a solid structure
  • the cross-sectional shape of the rotating shaft is circular or square. In one of the shapes, the rotating shaft is coupled to the servo motor through a coupling.
  • the material of the blade is cemented carbide
  • the wall thickness of the blade is not less than 3 mm
  • the number of the blades is not less than two
  • the working mode of the pressure sensor is inductive.
  • the pressure sensor operating refresh rate is not less than 60 Hz.
  • the material of the liquid collecting tray is a PVC board
  • the maximum angle between the liquid collecting tray and the horizontal direction is 30°
  • the continuous working time of the gravity sensor is not more than 4 hours
  • the gravity sensor is The repeatability error does not exceed 0.05%.
  • the top plate has a circular arc shape, the top plate has a curvature of not less than 1800R, the hanger is made of low carbon steel, and the hanger is welded to the can body.
  • control host and the display screen the electromagnetic valve one, the electromagnetic valve three, the electromagnetic valve two, the pressure sensor, the servo motor, the gravity sensor, the The electric heating plate, the temperature sensor and the control keyboard are electrically connected.
  • the preparation method of the above modified UV paint preparation device comprises the following steps:
  • control host control temperature information is compared with a predetermined heating distillation temperature value in real time, and the tank body is controlled to reach a constant temperature environment by adjusting the power of the electric heating plate;
  • the raw material is distilled due to constant temperature stirring, and when the steam rises to the top plate, due to the circular arc-shaped structure of the top plate, the vapor collection can be condensed and collected in the middle of the bottom surface and then dripped into the liquid collecting pan. Be collected
  • the control host setting a predetermined drainage gravity value by the control keyboard, the control host recording a predetermined drainage gravity value and controlling the gravity sensor to obtain the gravity information at the water delivery pipeline in real time and displaying the real-time display on the display screen For observation, the control host compares the weight information and the predetermined drainage gravity value in real time. When the weight information is higher than the predetermined drainage gravity value, the control host controls the electromagnetic valve three to open the distilled water to be discharged through the outlet pipe. external;
  • control host setting a predetermined exhaust pressure value through the control keyboard, the control host recording a predetermined exhaust pressure value and controlling the pressure sensor to obtain pressure information in the tank in real time and displaying the real time on the display screen It is observed that when the pressure information is higher than the predetermined exhaust pressure value, the control host controls the solenoid valve to open and discharge pressure through the exhaust pipe;
  • the utility model has the advantages that the feedback control loop composed of the temperature sensor, the control host and the electric heating plate can automatically and accurately control the heating distillation temperature to a preset value, and at the same time, through the feedback control loop composed of the pressure sensor, the control host and the electromagnetic valve, Automatically venting when the tank pressure reaches a preset value, and the feedback control loop composed of the gravity sensor, the control host and the solenoid valve can automatically drain when the distilled water reaches a preset value, thereby completing the preparation of the modified UV paint.
  • the automatic control of the process replaces the manual operation mode, avoiding the safety production threat caused by the untimely operation, and is conducive to large-scale promotion.
  • Figure 1 is a front elevational view of a modified UV paint preparation apparatus of the present invention
  • Figure 2 is a front elevational view of a modified UV paint preparation apparatus according to the present invention.
  • Figure 3 is a top cross-sectional view of a modified UV paint preparation apparatus according to the present invention.
  • Figure 4 is a top plan view of a modified UV paint preparation apparatus of the present invention.
  • solenoid valve one 2, exhaust pipe; 3, tank; 4, display; 5, control host; 6, discharge pipe; 7, foot; 8, end cover; 9, feed pipe; , solenoid valve three; 11, outlet pipe; 12, control keyboard; 13, solenoid valve 2; 14, hanger; 15, top plate; 16, liquid collecting pan; 17, support frame; 18, pressure sensor; 20; servo motor; 21, shaft; 22, blade; 23, water pipeline; 24, gravity sensor; 25, electric heating plate; 26, temperature sensor; 27, pressure layer;
  • a modified UV paint preparation apparatus comprising a can body 3, a foot 7, a feed pipe 9, and a discharge pipe 6, the can body
  • the bottom foot 7 is disposed around the bottom surface, and the discharge pipe 6 is disposed on the side of the foot 7.
  • the discharge pipe 6 is provided with a solenoid valve 23, and the top surface of the can body 3 is provided with
  • the feeding tube 9 is provided with an end cap 8 at the end of the feeding tube 9
  • An exhaust pipe 2 is disposed on the side of the material pipe 9, and the exhaust pipe 2 is provided with a solenoid valve 1 on the side of which the outlet pipe 11 is disposed, and the outlet pipe 11 is provided with a solenoid valve 3
  • the surface of the can body 3 is provided with a control host 5, and the control host 5 is provided with a display screen 4, and a control keyboard 12 is disposed on the side of the display screen 4, and a pressure resistant layer 27 is disposed inside the can body 3.
  • the heat-resistant layer 28 is disposed on the side of the pressure-resistant layer 27, and the bottom surface of the tank body 3 is provided with a temperature sensor 26, and the temperature sensor 26 is provided with an electric heating plate 25, and the electric heating plate 25 is disposed above
  • a motor base 19 There is a motor base 19, and a servo motor 20 is disposed on a bottom surface of the motor base 19.
  • the end of the servo motor 20 is provided with a rotating shaft 21, and the end of the rotating shaft 21 is provided with a blade 22, and the motor base 19 is disposed above
  • the end of the support frame 17 is provided with a liquid collecting tray 16, and the bottom end of the liquid collecting tray 16 is provided with a water delivery line 23, the input A gravity sensor 24 is disposed inside the water pipe 23, and a top plate 15 is disposed above the liquid collecting pan 16 Roof 15 is provided with a hanger 14.
  • the number of the legs 7 is three, the material of the foot 7 is cast iron, the material of the discharge pipe 6 is aluminum alloy, the discharge pipe 6 and the can body 3
  • the action response time of the solenoid valve 213 is not more than 1 s, and the solenoid valve 213 is fixed to the discharge pipe 6 by a screw.
  • the material of the feed pipe 9 is the same as that of the discharge pipe 6, and the radial dimension of the feed pipe 9 is 6 mm larger than the radial dimension of the discharge pipe 6, the
  • the tube 9 is screwed to the can body 3
  • the end cap 8 is made of cemented carbide, and the end cap 8 is screwed to the feed tube 9.
  • the material of the exhaust pipe 2 is the same as the material of the feed pipe 9, and the radial dimension of the exhaust pipe 2 is smaller than the radial dimension of the discharge pipe 6 by 2 mm.
  • the action response time of the solenoid valve 1 is the same as that of the solenoid valve 213, and the solenoid valve 1 is fixed to the exhaust pipe 2 by a screw.
  • the material of the outlet pipe 11 is the same as the material of the discharge pipe 6, the radial dimension of the outlet pipe is the same as the radial dimension of the exhaust pipe 2, and the electromagnetic valve three
  • the action response time of 10 is the same as that of the solenoid valve 213, and the solenoid valve 3 is fixed to the outlet pipe 11 by a screw.
  • the model of the control host 5 is PLC S7-600
  • the material of the display screen 4 is IPS
  • the control keyboard 12 is embedded in the control host 5.
  • the pressure-resistant layer 27 is made of an aluminum-magnesium alloy, the pressure-resistant layer 27 has a thickness of not less than 8 mm, and the heat-insulating layer 28 is made of an unsaturated resin. The thickness of 28 is not less than 12 mm, and the pressure-resistant layer 27 is connected to the heat insulating layer 28 in a manner of bonding.
  • the temperature sensor 26 operates in a contact mode, and the electric heating plate 25 operates in a radiant heating manner, and the electric heating plate 25 has a rated power of not less than 600 W.
  • the servo motor 20 has a rated rotational speed of 360 Rpm
  • the servo motor 20 has a waterproof rating of IP43
  • the rotating shaft 21 is made of high-speed steel, a solid structure, and the cross-sectional shape of the rotating shaft 21 is a circle.
  • the shaft 21 is coupled to the servo motor 20 through a coupling.
  • the material of the blade 22 is cemented carbide, the wall thickness of the blade 22 is not less than 3 mm, and the number of the blades 22 is not less than two.
  • the working mode of the pressure sensor 18 is Inductive, the pressure sensor 18 has a working refresh rate of not less than 60 Hz.
  • the material of the liquid collecting tray 16 is a PVC board
  • the maximum angle between the liquid collecting tray 16 and the horizontal direction is 30°
  • the continuous working time of the gravity sensor 24 is not more than 4 hours.
  • the repeatability error of the gravity sensor 24 does not exceed 0.05%.
  • the top plate 15 has a circular arc shape, the top plate 15 has a curvature of not less than 1800R, the hanger 14 is made of low carbon steel, and the hanger 14 is welded to the can. On body 3.
  • control host 5 and the display screen 4 the solenoid valve 1-3, the solenoid valve three 10, the solenoid valve 213, the pressure sensor 18, and the servo motor 20
  • the gravity sensor 24, the electric heating plate 25, the temperature sensor 26, and the control keyboard 12 are electrically connected.
  • the preparation method of the above modified UV paint preparation device comprises the following steps:
  • the temperature sensor 26 obtains the temperature information in the can body 3 in real time and displays it on the display screen 4 for observation and understanding;
  • the control host 5 controls the temperature information to be compared with the predetermined heated distillation temperature value in real time, and controls the constant temperature environment in the can body 3 by adjusting the power of the electric heating plate 25;
  • the raw material is distilled due to constant temperature stirring, and when the steam rises to the top plate 15, due to the circular arc-shaped structure of the top plate 15, the vapor can be collected and condensed and collected toward the middle of the bottom surface and then dripped to the liquid collection. Collected in the tray 16;
  • control host 5 setting a predetermined drainage gravity value by the control keyboard 12, the control host 5 recording a predetermined drainage gravity value and controlling the gravity sensor 24 to operate to acquire the gravity information at the water delivery line 23 in real time and in the display Real-time display on the screen 4 for observation and understanding, while the control host 5 is in real time
  • the specific gravity information and the predetermined drainage gravity value when the weight information is higher than the predetermined drainage gravity value, the control host 5 controls the solenoid valve 3 to open the distilled water to be discharged to the outside through the outlet pipe 11;
  • control host 5 setting a predetermined exhaust pressure value through the control keyboard 12, the control host 5 recording a predetermined exhaust pressure value and controlling the pressure sensor 18 to operate to acquire pressure information in the can body 3 in real time and in the The real time display on the display screen 4 is for observation, when the pressure information is higher than the predetermined exhaust pressure value, the control host 5 controls the electromagnetic valve 1 to open and exhaust pressure through the exhaust pipe 2;

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Abstract

一种改性紫外光（UV）固化油漆制备装置，包括罐体（3）、底脚（7）、进料管（9）和出料管（6），罐体（3）底面周围设置底脚（7），底脚（7）旁侧设置出料管（6），出料管（6）上设置电磁阀二（13），罐体（3）顶面设置进料管（9），进料管（9）旁侧设置排气管（2），排气管（2）上设置有电磁阀一（1）。

Description

一种改性UV油漆制备装置及其制备方法 技术领域
本发明涉及改性UV油漆生产技术领域，具体涉及一种改性UV油漆制备装置及其制备方法。
背景技术
UV油漆即紫外光固化油漆，也称光引发涂料，光固化涂料，UV油漆是以油漆的固化方式命名的，它是通过机器设备自动辊涂、淋涂到家具板面上，在紫外光(波长为320-390nm)的照射下促使引发剂分解，产生自由基，引发树酯反应，瞬间固化成膜，UV油漆是一种在紫外线的照射下能够在几秒钟内迅速固化成膜的涂料，改性UV油漆是添加一些特殊的物质用以改良UV油漆的性能。改性UV油漆的制备离不开加热蒸馏。
但传统情况下，改性UV油漆的加热蒸馏无法自动控制蒸馏的温度和自动排气排水等，往往需要工人定时操作进行，若处理不及时，则可能会发生安全事故。
发明内容
本发明的目的就在于为了解决上述问题而提供一种改性UV油漆制备装置及其制备方法。
本发明通过以下技术方案来实现上述目的：
根据本发明的一方面，提供了一种改性UV油漆制备装置，包括罐体、底脚、进料管和出料管，所述罐体底面周围设置有所述底脚，所述底脚旁侧设置有所述出料管，所述出料管上设置有电磁阀二，所述罐体顶面设置有所述进料管，所述进料管端部设置有端盖，所述进料管旁侧设置有排气管，所述排气管上设置有电磁阀一，所述罐体侧面设置有出水管，所述出水管上设置有电磁阀三， 所述罐体表面设置有控制主机，所述控制主机上设置有显示屏，所述显示屏旁侧设置有控制键盘，所述罐体内侧设置有耐压层，所述耐压层旁侧设置有隔热层，所述罐体内部底面设置有温度传感器，所述温度传感器上面设置有电加热板，所述电加热板上方设置有电机机座，所述电机机座底面设置有伺服电机，所述伺服电机端部设置有转轴，所述转轴端部设置有叶片，所述电机机座上方设置有压力传感器，所述压力传感器上方设置有支撑架，所述支撑架端部设置有集液盘，所述集液盘底面端部设置有输水管路，所述输水管路内部设置有重力传感器，所述集液盘上方设置有顶板，所述顶板顶面设置有吊架。
在本实施例中，所述底脚的数量为三个，所述底脚的材质为铸铁，所述出料管的材质为铝合金，所述出料管与所述罐体通过螺纹连接，所述电磁阀二的动作响应时间不超过1s，所述电磁阀二通过螺纹件固定在所述出料管上。
在本实施例中，所述进料管的材质与所述出料管相同，所述进料管的径向尺寸比所述出料管的径向尺寸大6mm，所述进料管与所述罐体通过螺纹连接，所述端盖的材质为硬质合金，所述端盖与所述进料管通过螺纹连接。
在本实施例中，所述排气管的材质与所述进料管的材质相同，所述排气管的径向尺寸比所述出料管的径向尺寸小2mm，所述电磁阀一的动作响应时间与所述电磁阀二相同，所述电磁阀一通过螺纹件固定在所述排气管上。
在本实施例中，所述出水管的材质与所述出料管的材质相同，所述出气管的径向尺寸与所述排气管的径向尺寸相同，所述电磁阀三的动作响应时间与所述电磁阀二相同，所述电磁阀三通过螺纹件固定在所述出水管上。
在本实施例中，所述控制主机的型号为PLC S7-600，所述显示屏的材质为IPS，所述控制键盘内嵌在所述控制主机上。
在本实施例中，所述耐压层的材质为铝镁合金，所述耐压层的厚度不低于 8mm，所述隔热层的材料为不饱和树脂，所述隔热层的厚度不低于12mm，所述耐压层与所述隔热层的连接方式为胶接。
在本实施例中，所述温度传感器的工作方式为接触式，所述电加热板的工作方式为辐射加热，所述电加热板的额定功率不低于600W。
在本实施例中，所述伺服电机的额度转速为360Rpm，所述伺服电机的防水等级为IP43，所述转轴的材质为高速钢，实心结构，所述转轴的截面形状为圆形或正八边形中的一种，所述转轴与所述伺服电机通过联轴器连接。
在本实施例中，所述叶片的材质为硬质合金，所述叶片的壁厚不低于3mm，所述叶片的数量不低于两个，所述压力传感器的工作方式为感应式，所述压力传感器工作刷新频率不低于60HZ。
在本实施例中，所述集液盘的材质为PVC板，所述集液盘与水平方向的最大夹角为30°，所述重力传感器的连续工作时间不超过4h，所述重力传感器的重复度误差不超过0.05％。
在本实施例中，所述顶板的为圆弧形结构，所述顶板的曲率不低于1800R，所述吊架的材质为低碳钢，所述吊架熔接在所述罐体上。
在本实施例中，所述控制主机与所述显示屏、所述电磁阀一、所述电磁阀三、所述电磁阀二、所述压力传感器、所述伺服电机、所述重力传感器、所述电加热板、所述温度传感器和所述控制键盘电连接。
上述改性UV油漆制备装置的制备方法，包括如下步骤：
(1)将所述端盖打开，将一定质量份数的水性UV树脂、聚氨酯分散体、消泡剂、复合光引发剂和表面活性剂通过所述进料管加入到所述罐体内，关闭所述端盖；
(2)检查所述出料管和所述出水管的开关情况，确保原料无泄漏；
(3)通过所述控制键盘设置预定加热蒸馏温度值，所述控制主机记录预定加热蒸馏温度值并控制所述电加热板工作对所述罐体内的原料进行加热，同时所述温度传感器实时获取所述罐体内的温度信息并在所述显示屏上显示供观察了解；
(4)所述控制主机控制温度信息与预定加热蒸馏温度值实时进行对比，通过调整所述电加热板的功率来控制所述罐体内达到恒温环境；
(5)通过所述控制键盘发送混合搅拌工作指令，所述控制主机控制所述伺服电机通过所述转轴带动所述叶片转动来对所述罐体内的原料进行混合搅拌；
(6)原料由于恒温搅拌开始被蒸馏，蒸汽上升至所述顶板处时，由于所述顶板的圆弧形结构，能够将蒸汽收集冷凝并向底面中部聚集后滴落至所述集液盘中被收集；
(7)通过所述控制键盘设置预定排水重力值，所述控制主机记录预定排水重力值并控制所述重力传感器工作实时获取所述输水管路处的重力信息并在所述显示屏上实时显示供观察了解，同时所述控制主机实时对比重量信息和预定排水重力值，当重量信息高于预定排水重力值时，所述控制主机控制所述电磁阀三打开经蒸馏水经所述出水管排出到外界；
(8)通过所述控制键盘设置预定排气压力值，所述控制主机记录预定排气压力值并控制所述压力传感器工作实时获取所述罐体内的压力信息并在所述显示屏上实时显示供观察了解，当压力信息高于预定排气压力值时，所述控制主机控制所述电磁阀一打开并通过所述排气管排气泄压；
(9)恒温加热蒸馏一段时间(不低于90min)后得出产品，通过所述控制键盘控制所述电磁阀二打开，将产品经所述出料管排出到外界进行包装存放，产品排尽后，停机对所述罐体内进行全面清洗。
有益效果在于：采用温度传感器、控制主机和电加热板组成的反馈控制回路，能够自动准确控制加热蒸馏温度至预设值，同时通过压力传感器、控制主机和电磁阀一组成的反馈控制回路，能够在罐体气压达到预设值时自动排气，且通过重力传感器、控制主机和电磁阀三组成的反馈控制回路，能够在蒸馏水达到预设值时自动排水，从而完成了对改性UV油漆制备过程的自动控制，代替了人工操作方式，避免了因操作不及时引发的安全生产威胁，有利于大范围推广。
附图说明
图1是本发明所述一种改性UV油漆制备装置的正视外部图；
图2是本发明所述一种改性UV油漆制备装置的正视内部图；
图3是本发明所述一种改性UV油漆制备装置的俯视剖视图；
图4是本发明所述一种改性UV油漆制备装置的俯视外部图。
1、电磁阀一；2、排气管；3、罐体；4、显示屏；5、控制主机；6、出料管；7、底脚；8、端盖；9、进料管；10、电磁阀三；11、出水管；12、控制键盘；13、电磁阀二；14、吊架；15、顶板；16、集液盘；17、支撑架；18、压力传感器；19、电机机座；20、伺服电机；21、转轴；22、叶片；23、输水管路；24、重力传感器；25、电加热板；26、温度传感器；27、耐压层；28、隔热层。
具体实施方式
下面结合附图对本发明作进一步说明：
如图1-图4所示，根据本发明的一方面，提供了一种改性UV油漆制备装置，包括罐体3、底脚7、进料管9和出料管6，所述罐体3底面周围设置有所述底脚7，所述底脚7旁侧设置有所述出料管6，所述出料管6上设置有电磁阀二13，所述罐体3顶面设置有所述进料管9，所述进料管9端部设置有端盖8，所述进 料管9旁侧设置有排气管2，所述排气管2上设置有电磁阀一1，所述罐体3侧面设置有出水管11，所述出水管11上设置有电磁阀三10，所述罐体3表面设置有控制主机5，所述控制主机5上设置有显示屏4，所述显示屏4旁侧设置有控制键盘12，所述罐体3内侧设置有耐压层27，所述耐压层27旁侧设置有隔热层28，所述罐体3内部底面设置有温度传感器26，所述温度传感器26上面设置有电加热板25，所述电加热板25上方设置有电机机座19，所述电机机座19底面设置有伺服电机20，所述伺服电机20端部设置有转轴21，所述转轴21端部设置有叶片22，所述电机机座19上方设置有压力传感器18，所述压力传感器18上方设置有支撑架17，所述支撑架17端部设置有集液盘16，所述集液盘16底面端部设置有输水管路23，所述输水管路23内部设置有重力传感器24，所述集液盘16上方设置有顶板15，所述顶板15顶面设置有吊架14。
在本实施例中，所述底脚7的数量为三个，所述底脚7的材质为铸铁，所述出料管6的材质为铝合金，所述出料管6与所述罐体3通过螺纹连接，所述电磁阀二13的动作响应时间不超过1s，所述电磁阀二13通过螺纹件固定在所述出料管6上。
在本实施例中，所述进料管9的材质与所述出料管6相同，所述进料管9的径向尺寸比所述出料管6的径向尺寸大6mm，所述进料管9与所述罐体3通过螺纹连接，所述端盖8的材质为硬质合金，所述端盖8与所述进料管9通过螺纹连接。
在本实施例中，所述排气管2的材质与所述进料管9的材质相同，所述排气管2的径向尺寸比所述出料管6的径向尺寸小2mm，所述电磁阀一1的动作响应时间与所述电磁阀二13相同，所述电磁阀一1通过螺纹件固定在所述排气管2上。
在本实施例中，所述出水管11的材质与所述出料管6的材质相同，所述出气管的径向尺寸与所述排气管2的径向尺寸相同，所述电磁阀三10的动作响应时间与所述电磁阀二13相同，所述电磁阀三10通过螺纹件固定在所述出水管11上。
在本实施例中，所述控制主机5的型号为PLC S7-600，所述显示屏4的材质为IPS，所述控制键盘12内嵌在所述控制主机5上。
在本实施例中，所述耐压层27的材质为铝镁合金，所述耐压层27的厚度不低于8mm，所述隔热层28的材料为不饱和树脂，所述隔热层28的厚度不低于12mm，所述耐压层27与所述隔热层28的连接方式为胶接。
在本实施例中，所述温度传感器26的工作方式为接触式，所述电加热板25的工作方式为辐射加热，所述电加热板25的额定功率不低于600W。
在本实施例中，所述伺服电机20的额度转速为360Rpm，所述伺服电机20的防水等级为IP43，所述转轴21的材质为高速钢，实心结构，所述转轴21的截面形状为圆形或正八边形中的一种，所述转轴21与所述伺服电机20通过联轴器连接。
在本实施例中，所述叶片22的材质为硬质合金，所述叶片22的壁厚不低于3mm，所述叶片22的数量不低于两个，所述压力传感器18的工作方式为感应式，所述压力传感器18工作刷新频率不低于60HZ。
在本实施例中，所述集液盘16的材质为PVC板，所述集液盘16与水平方向的最大夹角为30°，所述重力传感器24的连续工作时间不超过4h，所述重力传感器24的重复度误差不超过0.05％。
在本实施例中，所述顶板15的为圆弧形结构，所述顶板15的曲率不低于1800R，所述吊架14的材质为低碳钢，所述吊架14熔接在所述罐体3上。
在本实施例中，所述控制主机5与所述显示屏4、所述电磁阀一1、所述电磁阀三10、所述电磁阀二13、所述压力传感器18、所述伺服电机20、所述重力传感器24、所述电加热板25、所述温度传感器26和所述控制键盘12电连接。
上述改性UV油漆制备装置的制备方法，包括如下步骤：
(1)将所述端盖8打开，将一定质量份数的水性UV树脂、聚氨酯分散体、消泡剂、复合光引发剂和表面活性剂通过所述进料管9加入到所述罐体3内，关闭所述端盖8；
(2)检查所述出料管6和所述出水管11的开关情况，确保原料无泄漏；
(3)通过所述控制键盘12设置预定加热蒸馏温度值，所述控制主机5记录预定加热蒸馏温度值并控制所述电加热板25工作对所述罐体3内的原料进行加热，同时所述温度传感器26实时获取所述罐体3内的温度信息并在所述显示屏4上显示供观察了解；
(4)所述控制主机5控制温度信息与预定加热蒸馏温度值实时进行对比，通过调整所述电加热板25的功率来控制所述罐体3内达到恒温环境；
(5)通过所述控制键盘12发送混合搅拌工作指令，所述控制主机5控制所述伺服电机20通过所述转轴21带动所述叶片22转动来对所述罐体3内的原料进行混合搅拌；
(6)原料由于恒温搅拌开始被蒸馏，蒸汽上升至所述顶板15处时，由于所述顶板15的圆弧形结构，能够将蒸汽收集冷凝并向底面中部聚集后滴落至所述集液盘16中被收集；
(7)通过所述控制键盘12设置预定排水重力值，所述控制主机5记录预定排水重力值并控制所述重力传感器24工作实时获取所述输水管路23处的重力信息并在所述显示屏4上实时显示供观察了解，同时所述控制主机5实时对 比重量信息和预定排水重力值，当重量信息高于预定排水重力值时，所述控制主机5控制所述电磁阀三10打开经蒸馏水经所述出水管11排出到外界；
(8)通过所述控制键盘12设置预定排气压力值，所述控制主机5记录预定排气压力值并控制所述压力传感器18工作实时获取所述罐体3内的压力信息并在所述显示屏4上实时显示供观察了解，当压力信息高于预定排气压力值时，所述控制主机5控制所述电磁阀一1打开并通过所述排气管2排气泄压；
(9)恒温加热蒸馏一段时间(不低于90min)后得出产品，通过所述控制键盘12控制所述电磁阀二13打开，将产品经所述出料管6排出到外界进行包装存放，产品排尽后，停机对所述罐体3内进行全面清洗。
以上显示和描述了本发明的基本原理、主要特征和优点。本行业的技术人员应该了解，本发明不受上述实施例的限制，上述实施例和说明书中描述的只是说明本发明的原理，在不脱离本发明精神和范围的前提下，本发明还会有各种变化和改进，这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其效物界定。

Claims (10)

  1. 一种改性UV油漆制备装置，其特征在于：包括罐体(3)、底脚(7)、进料管(9)和出料管(6)，所述罐体(3)底面周围设置有所述底脚(7)，所述底脚(7)旁侧设置有所述出料管(6)，所述出料管(6)上设置有电磁阀二(13)，所述罐体(3)顶面设置有所述进料管(9)，所述进料管(9)端部设置有端盖(8)，所述进料管(9)旁侧设置有排气管(2)，所述排气管(2)上设置有电磁阀一(1)，所述罐体(3)侧面设置有出水管(11)，所述出水管(11)上设置有电磁阀三(10)，所述罐体(3)表面设置有控制主机(5)，所述控制主机(5)上设置有显示屏(4)，所述显示屏(4)旁侧设置有控制键盘(12)，所述罐体(3)内侧设置有耐压层(27)，所述耐压层(27)旁侧设置有隔热层(28)，所述罐体(3)内部底面设置有温度传感器(26)，所述温度传感器(26)上面设置有电加热板(25)，所述电加热板(25)上方设置有电机机座(19)，所述电机机座(19)底面设置有伺服电机(20)，所述伺服电机(20)端部设置有转轴(21)，所述转轴(21)端部设置有叶片(22)，所述电机机座(19)上方设置有压力传感器(18)，所述压力传感器(18)上方设置有支撑架(17)，所述支撑架(17)端部设置有集液盘(16)，所述集液盘(16)底面端部设置有输水管路(23)，所述输水管路(23)内部设置有重力传感器(24)，所述集液盘(16)上方设置有顶板(15)，所述顶板(15)顶面设置有吊架(14)。
  2. 根据权利要求1所述的一种改性UV油漆制备装置，其特征在于：所述底脚(7)的数量为三个，所述底脚(7)的材质为铸铁，所述出料管(6)的材质为铝合金，所述出料管(6)与所述罐体(3)通过螺纹连接，所述电磁阀二(13)的动作响应时间不超过1s，所述电磁阀二(13)通过螺纹件固定在所述出料管(6)上。
  3. 根据权利要求1所述的一种改性UV油漆制备装置，其特征在于：所述进料管(9)的材质与所述出料管(6)相同，所述进料管(9)的径向尺寸比所述出料管(6)的径向尺寸大6mm，所述进料管(9)与所述罐体(3)通过螺纹连接，所述端盖(8)的材质为硬质合金，所述端盖(8)与所述进料管(9)通过螺纹连接。
  4. 根据权利要求1所述的一种改性UV油漆制备装置，其特征在于；所述排气管(2)的材质与所述进料管(9)的材质相同，所述排气管(2)的径向尺寸比所述出料管(6)的径向尺寸小2mm，所述电磁阀一(1)的动作响应时间与所述电磁阀二(13)相同，所述电磁阀一(1)通过螺纹件固定在所述排气管(2)上。
  5. 根据权利要求1所述的一种改性UV油漆制备装置，其特征在于：所述控制主机(5)的型号为PLC S7-600，所述显示屏(4)的材质为IPS，所述控制键盘(12)内嵌在所述控制主机(5)上。
  6. 根据权利要求1所述的一种改性UV油漆制备装置，其特征在于：所述伺服电机(20)的额度转速为360Rpm，所述伺服电机(20)的防水等级为IP43，所述转轴(21)的材质为高速钢，实心结构，所述转轴(21)的截面形状为圆形或正八边形中的一种，所述转轴(21)与所述伺服电机(20)通过联轴器连接。
  7. 根据权利要求1所述的一种改性UV油漆制备装置，其特征在于：所述叶片(22)的材质为硬质合金，所述叶片(22)的壁厚不低于3mm，所述叶片(22)的数量不低于两个，所述压力传感器(18)的工作方式为感应式，所述压力传感器(18)工作刷新频率不低于60HZ。
  8. 根据权利要求1所述的一种改性UV油漆制备装置，其特征在于：所述 集液盘(16)的材质为PVC板，所述集液盘(16)与水平方向的最大夹角为30°，所述重力传感器(24)的连续工作时间不超过4h，所述重力传感器(24)的重复度误差不超过0.05％。
  9. 根据权利要求1所述的一种改性UV油漆制备装置，其特征在于：所述顶板(15)的为圆弧形结构，所述顶板(15)的曲率不低于1800R，所述吊架(14)的材质为低碳钢，所述吊架(14)熔接在所述罐体(3)上。
  10. 一种改性UV油漆制备装置的制备方法，其特征在于：包括如下步骤：
    (1)将所述端盖(8)打开，将一定质量份数的水性UV树脂、聚氨酯分散体、消泡剂、复合光引发剂和表面活性剂通过所述进料管(9)加入到所述罐体(3)内，关闭所述端盖(8)；
    (2)检查所述出料管(6)和所述出水管(11)的开关情况，确保原料无泄漏；
    (3)通过所述控制键盘(12)设置预定加热蒸馏温度值，所述控制主机(5)记录预定加热蒸馏温度值并控制所述电加热板(25)工作对所述罐体(3)内的原料进行加热，同时所述温度传感器(26)实时获取所述罐体(3)内的温度信息并在所述显示屏(4)上显示供观察了解；
    (4)所述控制主机(5)控制温度信息与预定加热蒸馏温度值实时进行对比，通过调整所述电加热板(25)的功率来控制所述罐体(3)内达到恒温环境；
    (5)通过所述控制键盘(12)发送混合搅拌工作指令，所述控制主机(5)控制所述伺服电机(20)通过所述转轴(21)带动所述叶片(22)转动来对所述罐体(3)内的原料进行混合搅拌；
    (6)原料由于恒温搅拌开始被蒸馏，蒸汽上升至所述顶板(15)处时，由于所述顶板(15)的圆弧形结构，能够将蒸汽收集冷凝并向底面中部聚集后滴 落至所述集液盘(16)中被收集；
    (7)通过所述控制键盘(12)设置预定排水重力值，所述控制主机(5)记录预定排水重力值并控制所述重力传感器(24)工作实时获取所述输水管路(23)处的重力信息并在所述显示屏(4)上实时显示供观察了解，同时所述控制主机(5)实时对比重量信息和预定排水重力值，当重量信息高于预定排水重力值时，所述控制主机(5)控制所述电磁阀三(10)打开经蒸馏水经所述出水管(11)排出到外界；
    (8)通过所述控制键盘(12)设置预定排气压力值，所述控制主机(5)记录预定排气压力值并控制所述压力传感器(18)工作实时获取所述罐体(3)内的压力信息并在所述显示屏(4)上实时显示供观察了解，当压力信息高于预定排气压力值时，所述控制主机(5)控制所述电磁阀一(1)打开并通过所述排气管(2)排气泄压；
    (9)恒温加热蒸馏一段时间(不低于90min)后得出产品，通过所述控制键盘(12)控制所述电磁阀二(13)打开，将产品经所述出料管(6)排出到外界进行包装存放，产品排尽后，停机对所述罐体(3)内进行全面清洗。
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204122119U (zh) * 2014-10-09 2015-01-28 宁波大学 一种恒温高效反应釜
CN204602171U (zh) * 2014-10-11 2015-09-02 宁波大学 一种带温控加料控制装置的环保节能反应釜
CN204952736U (zh) * 2015-09-04 2016-01-13 李群星 一种纺织浆料搅拌罐
CN205095661U (zh) * 2015-11-13 2016-03-23 无锡职业技术学院 一种高效率配液装置
CN105413618A (zh) * 2015-11-25 2016-03-23 郑臣钏 一种实时检测溶液pH值且便于盛装溶液的化工反应装置
CN206415018U (zh) * 2017-01-19 2017-08-18 安徽鑫源纺织有限公司 一种纺织浆液搅拌装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204122119U (zh) * 2014-10-09 2015-01-28 宁波大学 一种恒温高效反应釜
CN204602171U (zh) * 2014-10-11 2015-09-02 宁波大学 一种带温控加料控制装置的环保节能反应釜
CN204952736U (zh) * 2015-09-04 2016-01-13 李群星 一种纺织浆料搅拌罐
CN205095661U (zh) * 2015-11-13 2016-03-23 无锡职业技术学院 一种高效率配液装置
CN105413618A (zh) * 2015-11-25 2016-03-23 郑臣钏 一种实时检测溶液pH值且便于盛装溶液的化工反应装置
CN206415018U (zh) * 2017-01-19 2017-08-18 安徽鑫源纺织有限公司 一种纺织浆液搅拌装置

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