WO2021093017A1 - 一种聚氨酯发泡设备 - Google Patents

一种聚氨酯发泡设备 Download PDF

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Publication number
WO2021093017A1
WO2021093017A1 PCT/CN2019/120790 CN2019120790W WO2021093017A1 WO 2021093017 A1 WO2021093017 A1 WO 2021093017A1 CN 2019120790 W CN2019120790 W CN 2019120790W WO 2021093017 A1 WO2021093017 A1 WO 2021093017A1
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tank
heating
polyurethane foaming
temperature sensor
reaction tank
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PCT/CN2019/120790
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English (en)
French (fr)
Inventor
唐定凯
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清远市番亿聚氨酯有限公司
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Publication of WO2021093017A1 publication Critical patent/WO2021093017A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3442—Mixing, kneading or conveying the foamable material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3415—Heating or cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/60—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material

Definitions

  • the invention relates to the technical field of polyurethane foaming, in particular to a polyurethane foaming equipment.
  • the processing technology of polyurethane foaming machine is to achieve heating and heat preservation by setting electric heating wires in the foaming machine, but when the liquid material is transported out for processing, its temperature cannot be guaranteed, because the production process requires it to be kept at Pouring is used within a certain temperature range, but the existing foaming machine cannot guarantee the appropriate temperature, resulting in poor product quality and low work efficiency.
  • the present invention provides a polyurethane foaming equipment to ensure the foaming temperature and ensure the quality and production efficiency of the product.
  • a polyurethane foaming equipment comprising a tank body, a stirring device is arranged inside the tank body, the tank body is composed of a shell and a reaction tank arranged inside the shell, between the shell and the reaction tank Is a vacuum cavity, a heating tube is arranged in the vacuum cavity, the inlet and outlet of the heating tube extend to the outside of the tank body, and a heating device is connected, and the side wall of the reaction tank is provided with a temperature A sensor, and the heating device is electrically connected with a temperature sensor.
  • the heating device includes a heater and a circulating water pump, the heater, the circulating water pump, and the heating pipe are connected by pipes, and the heater is electrically connected with the temperature sensor.
  • the heating tube is spirally wound on the outer surface of the reaction tank.
  • the stirring device includes a motor and a stirring shaft arranged in the tank body, a plurality of stirring rods are staggered on the stirring shaft, and the upper end of the stirring shaft penetrates the tank body to connect to the motor .
  • a spray shower is arranged inside the tank, and the spray shower is fixedly connected to the top of the tank.
  • a water pump is connected to the spray shower, and a pressure-increasing valve is provided between the water pump and the spray shower.
  • a frame is included, and the tank body is arranged at the upper end of the frame.
  • the polyurethane foaming equipment of the embodiment of the present invention has the beneficial effect that by setting a temperature sensor and a heating device, the temperature sensor detects the temperature in real time after the raw material is added to the tank, and controls the heating device Heating is carried out while the stirring device is started to ensure that the raw materials in the reaction tank are evenly heated. When heated to a suitable temperature, the heating is stopped. Since the shell of the tank body and the reaction tank are vacuumed, it has a good insulation effect and can be very good. Ensure the foaming temperature of raw materials, ensure product quality and production efficiency.
  • the invention has good use effect and is easy to popularize and use.
  • Figure 1 is a schematic diagram of the structure of the polyurethane foaming equipment of the present invention.
  • 1-shell 2-reaction tank, 3-vacuum cavity, 4-heating tube, 5-temperature sensor, 6-heater, 7-circulating water pump, 8-motor, 9-stirring shaft, 10-stirring rod , 11-sprinkler, 12-water pump, 13-pressurization valve, 14-frame.
  • a polyurethane foaming equipment includes a tank body, a stirring device is arranged inside the tank body, and the tank body is composed of a casing 1 and a casing 1 arranged on the casing 1.
  • the internal reaction tank 2 is composed of a vacuum cavity 3 between the shell 1 and the reaction tank 2, and the vacuum cavity 3 is provided with a heating tube 4, and the inlet and the outlet of the heating tube 4 extend to A heating device is connected to the outside of the tank body, a temperature sensor 5 is provided on the side wall of the reaction tank, and the heating device is electrically connected to the temperature sensor 5.
  • the polyurethane foaming equipment is equipped with a temperature sensor 5 and a heating device.
  • the temperature sensor 5 detects the temperature in real time, and controls the heating device to heat, and the stirring device starts at the same time to ensure the reaction
  • the raw materials in the tank 2 are evenly heated. When heated to a suitable temperature, the heating is stopped. Since the shell 1 of the tank body and the reaction tank 2 are vacuumed, it has a good insulation effect and can well ensure the foaming temperature of the raw materials. , To ensure product quality and production efficiency.
  • the invention has good use effect and is easy to popularize and use.
  • the heating device includes a heater 6 and a circulating water pump 7.
  • the heater 6, the circulating water pump 7 and the heating pipe 4 are connected by pipes, and the heater 6 is connected to the temperature
  • the sensor 5 is electrically connected.
  • the heater 6 is activated to heat the water in the heating pipe 4, and at the same time, the circulating water pump 7 drives the water to circulate, thereby The heat exchange with the reaction tank 2 is realized, so that the temperature of the reaction tank 2 is increased.
  • the heating tube 4 is spirally wound on the outer surface of the reaction tank 2. This connection method can increase the contact area between the heating tube 4 and the reaction tank 2 so as to achieve a better heat exchange effect.
  • the stirring device includes a motor 8 and a stirring shaft 9 arranged in the tank.
  • a plurality of stirring rods 10 are staggered on the stirring shaft 9 and the upper end of the stirring shaft 9 penetrates
  • the tank is connected to the motor 8.
  • the motors 8 are all started to drive the stirring shaft 9 to rotate, and the stirring shaft 9 drives the stirring rod 10 to stir the raw materials uniformly, thereby ensuring that the reaction tank 2
  • the temperature of the raw materials inside is uniform to ensure the foaming quality.
  • a spray shower 11 is arranged inside the tank body, and the spray shower 11 is fixedly connected to the top of the tank body. After the foaming is completed, the spray shower 11 can be started to clean the reaction tank 2 to ensure the cleanliness of the reaction tank 2 and avoid the adhesion of raw materials in the reaction tank 2 to affect the heating and the temperature sensor 5 Measure the temperature to ensure the accuracy of the measurement and sufficient heating.
  • a water pump 12 is connected to the spray shower 11, and a pressure-increasing valve 13 is provided between the water pump 12 and the spray shower 11.
  • a pressure-increasing valve 13 By providing the pressure-increasing valve 13, the pressure of the water sprayed from the spray shower 11 is increased, and the cleaning effect is improved.
  • the polyurethane foaming equipment further includes a frame 14, and the tank body is arranged at the upper end of the frame 14. Since the upper end of the tank body is provided with a feed port, and the lower end of the tank body is provided with a discharge port, the frame 14 is provided and the tank body is arranged at the upper end of the frame 14, thereby ensuring There is a certain distance between the tank body and the ground to facilitate the connection of the discharge port to the discharge pipe.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polyurethanes Or Polyureas (AREA)

Abstract

本发明公开了一种聚氨酯发泡设备，包括罐体，所述罐体的内部设有搅拌装置，所述罐体由外壳和设置在所述外壳内部的反应罐组成，所述外壳与所述反应罐之间为真空空腔，所述空腔内设有加热管，所述加热管的入口及出口均延伸至所述罐体的外部，并连接有加热装置，所述反应罐的侧壁设有温度传感器，所述加热装置与温度传感器电连接。本发明通过设置温度传感器及加热装置，当原料被添加进罐体后温度传感器实时对温度进行检测，并控制加热装置进行加热，同时搅拌装置启动，保证反应罐里面的原料受热均匀，当加热到合适的温度后停止加热，由于罐体的外壳与反应罐之间为真空，具有较好的保温作用，能很好地保证原料的发泡温度，保证产品的质量及生产效率。

Description

一种聚氨酯发泡设备 技术领域
本发明涉及聚氨酯发泡技术领域，特别是涉及一种聚氨酯发泡设备。
背景技术
目前，聚氨酯发泡机的加工工艺是通过在发泡机内设置电加热丝来实现加温保温的，但是当液料输送出来进行加工时，其温度无法保证，由于生产工艺要求其应保持在一定温度范围内进行浇注使用，而现有的发泡机无法保证合适的温度，导致生产出的产品质量差，工作效率低。
发明内容
为解决上述技术问题，本发明提供一种聚氨酯发泡设备，保证发泡温度，保证产品的质量与生产效率。
本发明解决其技术问题所采用的技术方案是：
一种聚氨酯发泡设备，包括罐体，所述罐体的内部设有搅拌装置，所述罐体由外壳和设置在所述外壳内部的反应罐组成，所述外壳与所述反应罐之间为真空空腔，所述真空空腔内设有加热管，所述加热管的入口及出口均延伸至所述罐体的外部，并连接有加热装置，所述反应罐的侧壁设有温度传感器，所述加热装置与温度传感器电连接。
优选地，所述加热装置包括加热器和循环水泵，所述加热器、所述循环水泵及所述加热管之间管道连接，且所述加热器与所述温度传感器电连接。
优选地，所述加热管呈螺旋状缠绕在所述反应罐的外表面。
优选地，所述搅拌装置包括电机和设置在所述罐体内的搅拌轴，所述搅拌轴上交错设有多个搅拌杆，且所述搅拌轴的上端穿透所述罐 体连接所述电机。
优选地，所述罐体的内部设有喷淋花洒，所述喷淋花洒固定连接在所述罐体的顶部。
优选地，所述喷淋花洒上连有水泵，所述水泵与所述喷淋花洒之间设有增压阀。
优选地，包括机架，所述罐体设置在所述机架的上端。
本发明实施例一种聚氨酯发泡设备与现有技术相比，其有益效果在于：通过设置温度传感器及加热装置，当原料被添加进罐体后温度传感器实时对温度进行检测，并控制加热装置进行加热，同时搅拌装置启动，保证反应罐里面的原料受热均匀，当加热到合适的温度后停止加热，由于罐体的外壳与反应罐之间为真空，具有较好的保温作用，能很好地保证原料的发泡温度，保证产品的质量及生产效率。本发明使用效果好，易于推广使用。
附图说明
图1为本发明的聚氨酯发泡设备的结构示意图。
其中：1-外壳，2-反应罐，3-真空空腔，4-加热管，5-温度传感器，6-加热器，7-循环水泵，8-电机，9-搅拌轴，10-搅拌杆，11-喷淋花洒，12-水泵，13-增压阀，14-机架。
具体实施方式
下面结合附图和实施例，对本发明的具体实施方式作进一步详细描述。以下实施例用于说明本发明，但不用来限制本发明的范围。
如图1所示，本发明实施例优选实施例的一种聚氨酯发泡设备，包括罐体，所述罐体的内部设有搅拌装置，所述罐体由外壳1和设置在所述外壳1内部的反应罐2组成，所述外壳1与所述反应罐2之间为真空空腔3，所述真空空腔3内设有加热管4，所述加热管4的入口及出口均延伸至所述罐体的外部，并连接有加热装置，所述反应罐的侧壁设有温度传感器5，所述加热装置与温度传感器5电连接。
基于上述技术特征的聚氨酯发泡设备，通过设置温度传感器5及加热装置，当原料被添加进罐体后温度传感器5实时对温度进行检测，并控制加热装置进行加热，同时搅拌装置启动，保证反应罐2里面的原料受热均匀，当加热到合适的温度后停止加热，由于罐体的外壳1与反应罐2之间为真空，具有较好的保温作用，能很好地保证原料的发泡温度，保证产品的质量及生产效率。本发明使用效果好，易于推广使用。
本实施例中，所述加热装置包括加热器6和循环水泵7，所述加热器6、所述循环水泵7及所述加热管4之间管道连接，且所述加热器6与所述温度传感器5电连接。当所述温度传感器5检测到所述罐体内原料的温度较低时，所述加热器6启动，对所述加热管4的水进行加热，同时，所述循环水泵7带动水进行循环，从而实现与所述反应罐2进行热量交换，使得所述反应罐2的温度升高。较佳地，所述加热管4呈螺旋状缠绕在所述反应罐2的外表面。这种连接方式可以增加所述加热管4与所述反应罐2的接触面积，从而实现更好的热交换效果。
本实施例中，所述搅拌装置包括电机8和设置在所述罐体内的搅拌轴9，所述搅拌轴9上交错设有多个搅拌杆10，且所述搅拌轴9的上端穿透所述罐体连接所述电机8。当所述反应罐2含有原料时，所述电机8均启动，带动所述搅拌轴9转动，所述搅拌轴9带动所述搅拌杆10实现对原料的搅匀，从而保证所述反应罐2内的原料温度均匀，保证发泡质量。
本实施例中，所述罐体的内部设有喷淋花洒11，所述喷淋花洒11固定连接在所述罐体的顶部。当发泡完成后可以启动所述喷淋花洒11对所述反应罐2进行清洗，保证所述反应罐2的清洁，避免所述反应罐2内粘结有原料影响加热及所述温度传感器5对温度进行测量，保证测量的准确性及加热充分。
另外，为保证清洗效果，所述喷淋花洒11上连有水泵12，所述水泵12与所述喷淋花洒11之间设有增压阀13。通过设置所述增压阀13，增大了从所述喷淋花洒11喷出的水的压力，提高了清洗效果。
本实施例中，所述聚氨酯发泡设备还包括机架14，所述罐体设置在所述机架14的上端。由于所述罐体的上端设置进料口，所述罐体的下端设置出料口，通过设置所述机架14，并将所述罐体设置在所述机架14的上端，从而保证了所述罐体与地面之间有一定的间距，方便所述出料口连接出料管。
以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明技术原理的前提下，还可以做出若干改进和替换，这些改进和替换也应视为本发明的保护范围。

Claims (7)

  1. 一种聚氨酯发泡设备，其特征在于：包括罐体，所述罐体的内部设有搅拌装置，所述罐体由外壳和设置在所述外壳内部的反应罐组成，所述外壳与所述反应罐之间为真空空腔，所述真空空腔内设有加热管，所述加热管的入口及出口均延伸至所述罐体的外部，并连接有加热装置，所述反应罐的侧壁设有温度传感器，所述加热装置与温度传感器电连接。
  2. 如权利要求1所述的聚氨酯发泡设备，其特征在于：所述加热装置包括加热器和循环水泵，所述加热器、所述循环水泵及所述加热管之间管道连接，且所述加热器与所述温度传感器电连接。
  3. 如权利要求1所述的聚氨酯发泡设备，其特征在于：所述加热管呈螺旋状缠绕在所述反应罐的外表面。
  4. 如权利要求1所述的聚氨酯发泡设备，其特征在于：所述搅拌装置包括电机和设置在所述罐体内的搅拌轴，所述搅拌轴上交错设有多个搅拌杆，且所述搅拌轴的上端穿透所述罐体连接所述电机。
  5. 如权利要求1所述的聚氨酯发泡设备，其特征在于：所述罐体的内部设有喷淋花洒，所述喷淋花洒固定连接在所述罐体的顶部。
  6. 如权利要求5所述的聚氨酯发泡设备，其特征在于：所述喷淋花洒上连有水泵，所述水泵与所述喷淋花洒之间设有增压阀。
  7. 如权利要求1所述的聚氨酯发泡设备，其特征在于：包括机架，所述罐体设置在所述机架的上端。
PCT/CN2019/120790 2019-11-14 2019-11-26 一种聚氨酯发泡设备 WO2021093017A1 (zh)

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CN111421736B (zh) * 2020-04-01 2021-09-14 西北民族大学 一种聚氨酯发泡装置、发泡枪及其发泡系统
CN113427697A (zh) * 2021-07-14 2021-09-24 清远市番亿聚氨酯有限公司 一种聚氨酯发泡装置

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