Heat preservation heating device for polyurethane production
By designing a thermal insulation heating device for polyurethane production that includes an annular heating box and circulation components, the problems of solidification and discharge blockage of polyurethane during the production process are solved, and more efficient fluidity and convenience of use are achieved.
Patent Information
- Application Number
- CN202421578351.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-04
- Publication Date
- 2025-05-30
- Estimated Expiration
- 2034-07-04
AI Technical Summary
During the existing polyurethane production process, the lack of heating function of the storage box causes the polyurethane to solidify, and it is easy to cause clogging during discharge, affecting the efficiency of use.
A thermal insulation heating device for polyurethane production is designed, including an insulation mechanism and a mixing mechanism. The thermal insulation mechanism realizes insulation of the outer tank and mixing mechanism through an annular heating box and a circulation assembly to prevent the polyurethane from solidifying.
It effectively improves the fluidity of polyurethane, avoids solidification, improves the discharge efficiency, solves the problem of blockage, and improves the convenience of use.
Smart Images
Figure CN222918621U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of production devices, in particular to a heat preservation and heating device for polyurethane production. Background Art
[0002] Waterborne polyurethane refers to a new polyurethane system made by using polyether polyol, polyester polyol, polybutadiene diol, etc. as oligomeric polyols. Waterborne polyurethane uses water instead of organic solvents as the dispersion medium, and is also called water-dispersed polyurethane, water-based polyurethane or water-based polyurethane. Waterborne polyurethane uses water as the solvent, and has the advantages of pollution-free, safe and reliable, excellent mechanical properties, good compatibility and easy modification. The water-based modification of polyurethane resin has gradually replaced the solvent-based type and become an important direction for the development of the polyurethane industry. Waterborne polyurethane can be widely used in coatings, adhesives, fabric coatings and finishing agents, leather finishing agents, paper surface treatment agents and fiber surface treatment agents. In the production process of waterborne polyurethane, a reaction kettle is required, and during the working process of the reaction kettle, it needs to be stirred to fully react.
[0003] At present, during the production of polyurethane, a storage box is required. Since the existing storage box does not have a heating function, the polyurethane solidifies, and it is easy to be blocked during discharging, which is not conducive to people's use. Content of the Utility Model
[0004] Based on this, the purpose of the utility model is to provide a heat preservation and heating device for polyurethane production with good heat preservation effect and convenient use.
[0005] The utility model adopts the following technical scheme:
[0006] A heat preservation and heating device for polyurethane production includes a heat preservation mechanism and a mixing mechanism. The heat preservation mechanism is wrapped outside the mixing mechanism; the heat preservation mechanism includes an outer tank body, an annular heating box, a first circulation component and a second circulation component; a receiving cavity is formed in the middle of the outer tank body, and the mixing mechanism is arranged inside the receiving cavity; the annular heating box is arranged at the bottom of the receiving cavity, and a plurality of heating rods are arranged inside the annular heating box; the first circulation component and the second circulation component are respectively connected to both sides of the outer tank body, and the first circulation component and the second circulation component are respectively connected to both sides of the annular heating box.
[0007] A further improvement to the above technical solution is that the mixing mechanism includes a stirring assembly and an inner tank. The stirring assembly is connected to the inner tank, and the inner tank is disposed inside the accommodating cavity. The stirring assembly includes a stirring motor, an output wheel, a rotating belt, a transmission wheel, a stirring shaft, and a plurality of stirring paddles. The stirring motor is connected to the output wheel, the output wheel is connected to the transmission wheel through the rotating belt, the transmission wheel is connected to the stirring shaft, the plurality of stirring paddles are connected to the stirring shaft, and the stirring shaft and the stirring paddles are respectively disposed inside the inner tank.
[0008] A further improvement to the above technical solution is that a first discharge pipe is communicatively provided at the bottom of the inner tank, and a first thread is provided on the outer periphery of the bottom of the first discharge pipe.
[0009] A further improvement to the above technical solution is that the mixing mechanism further includes a support connection assembly. The support connection assembly includes an upper cover and a bracket. The upper cover is connected to the upper part of the inner tank, the bracket is disposed above the upper cover, and the bracket is connected to the stirring assembly.
[0010] A further improvement to the above technical solution is that heating cavities are respectively formed on both sides of the outer tank, and the first circulation assembly and the second circulation assembly are respectively connected to the heating cavities on both sides of the outer tank.
[0011] A further improvement to the above technical solution is that the first circulation assembly includes a first water pump, a first circulation pipe, and a first connection pipe. The first water pump includes a first water inlet end, a first water outlet end, and a first return water end. The first water inlet end is connected to one side of the annular heating box through the first connection pipe, and the first water outlet end and the first return water end are respectively connected to the first circulation pipe.
[0012] A further improvement to the above technical solution is that the second circulation assembly includes a second water pump, a second circulation pipe, and a second connection pipe. The second water pump includes a second water inlet end, a second water outlet end, and a second return water end. The second water inlet end is connected to one side of the annular heating box through the first connection pipe, and the second water outlet end and the second return water end are respectively connected to the second circulation pipe.
[0013] A further improvement to the above technical solution is that a second discharge pipe is provided at the bottom of the outer tank, and a second thread is provided on the inner wall of the top of the second discharge pipe. The second thread is arranged to match the first thread.
[0014] A further improvement to the above technical solution is that the annular heating box is disposed around the second discharge pipe, and a plurality of water inlet pipes are communicatively provided at the bottom of the annular heating box. The water inlet pipes penetrate through the bottom of the outer tank and are connected to an external water source.
[0015] A further improvement to the above technical solution is that a switch valve is provided on the water inlet pipe.
[0016] The beneficial effects of the present utility model are as follows:
[0017] The present utility model is provided with a heat preservation mechanism. The heating rod in the annular heating box continuously heats the water source, causing the water source to slowly heat up. Then, through the first circulation component and the second circulation component, the water source reciprocally flows between the two sides of the outer tank, playing a heat preservation role inside the outer tank, and further playing a heat preservation role for the mixing mechanism arranged in the accommodation cavity of the outer tank, improving the heat preservation effect of the present utility model, avoiding the problem that the polyurethane solidifies and is prone to blockage during discharging. Description of the Drawings
[0018] Figure 1 is a schematic structural diagram of the heat preservation and heating device for polyurethane production of the present utility model;
[0019] Figure 2 is Figure 1 a cross-sectional view of the heat preservation and heating device for polyurethane production of
[0020] Figure 3 is Figure 1 a schematic structural diagram of the heat preservation mechanism of the heat preservation and heating device for polyurethane production of
[0021] Figure 4 is Figure 3 a partial enlarged view of circle A of the heat preservation mechanism of
[0022] Figure 5 is Figure 3 a partial enlarged view of circle B of the heat preservation mechanism of
[0023] Figure 6 is Figure 1 a schematic structural diagram of the mixing mechanism of the heat preservation and heating device for polyurethane production of
[0024] The reference numerals in the drawings are:
[0025] 10. Heat preservation mechanism; 20. Mixing mechanism; 30. Outer tank body; 31. Accommodation cavity; 32. Heating cavity; 33. Second discharge pipe; 34. Second thread; 40. Annular heating box; 41. Heating rod; 42. Water inlet pipe; 43. Switch valve; 50. First circulation component; 51. First water pump; 52. First circulation pipe; 53. First connecting pipe; 54. First water inlet end; 55. First water outlet end; 56. First return water end; 60. Second circulation component; 61. Second water pump; 62. Second circulation pipe; 63. Second connecting pipe; 64. Second water inlet end; 65. Second water outlet end; 66. Second return water end; 70. Stirring component; 71. Stirring motor; 72. Output wheel; 73. Rotating belt; 74. Driving wheel; 75. Stirring shaft; 76. Stirring paddle; 80. Inner tank body; 81. First discharge pipe; 82. First thread; 90. Support connection component; 91. Upper cover; 92. Bracket. Detailed implementation manners
[0026] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
[0027] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "vertical direction", "upper", "lower", "horizontal", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In addition, "first", "second", "third", "fourth" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0028] In the description of the present invention, it should also be noted that unless otherwise clearly specified and limited, the terms "set", "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be a direct connection or a connection through an intermediate medium. It can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.
[0029] As Figures 1 to 6As shown in the figure, this is an embodiment of the present utility model, which relates to a heat preservation and heating device for polyurethane production, including a heat preservation mechanism 10 and a mixing mechanism 20. The heat preservation mechanism 10 is wrapped and arranged outside the mixing mechanism 20. The heat preservation mechanism 10 includes an outer tank 30, an annular heating box 40, a first circulation component 50 and a second circulation component 60. A receiving cavity 31 is formed in the middle of the outer tank 30, and the mixing mechanism 20 is arranged inside the receiving cavity 31. The annular heating box 40 is arranged at the bottom of the receiving cavity 31, and a plurality of heating rods 41 are arranged inside the annular heating box 40. The first circulation component 50 and the second circulation component 60 are respectively connected to both sides of the outer tank 30, and the first circulation component 50 and the second circulation component 60 are respectively connected to both sides of the annular heating box 40.
[0030] Further, as Figure 6 shown, the mixing mechanism 20 includes a stirring component 70 and an inner tank 80. The stirring component 70 is connected to the inner tank 80, and the inner tank 80 is arranged inside the receiving cavity 31. The stirring component 70 includes a stirring motor 71, an output wheel 72, a rotating belt 73, a transmission wheel 74, a stirring shaft 75 and a plurality of stirring paddles 76. The stirring motor 71 is connected to the output wheel 72, the output wheel 72 is connected to the transmission wheel 74 through the rotating belt 73, the transmission wheel 74 is connected to the stirring shaft 75, the plurality of stirring paddles 76 are connected to the stirring shaft 75, and the stirring shaft 75 and the stirring paddles 76 are respectively arranged inside the inner tank 80. Specifically, through the stirring component 70, in cooperation with the heat preservation mechanism 10, by stirring and heating for heat preservation, the fluidity of polyurethane is effectively improved, and its solidification is avoided.
[0031] Further, as Figure 6 shown, a first discharge pipe 81 is communicated and arranged at the bottom of the inner tank 80, and a first thread 82 is arranged on the outer periphery of the bottom of the first discharge pipe 81. Specifically, through the first thread 82, the first discharge pipe 81 is screwed to the second discharge pipe 33, which is convenient for discharging the polyurethane inside the inner tank 80 and improves the discharging efficiency.
[0032] Further, as Figure 1 shown, the mixing mechanism 20 further includes a support connection component 90. The support connection component 90 includes an upper cover 91 and a bracket 92. The upper cover 91 is connected to the upper part of the inner tank 80, and the bracket 92 is arranged above the upper cover 91, and the bracket 92 is connected to the stirring component 70. Specifically, through the support connection component 90, the mixing mechanism 20 is effectively supported, and through the upper cover 91, which covers the upper part of the inner tank 80, the normal stirring is effectively ensured, the overflow of polyurethane is avoided, and the use cost is reduced.
[0033] Further, as Figure 3As shown, heating chambers 32 are respectively provided on both sides of the outer tank body 30, and the first circulation assembly 50 and the second circulation assembly 60 are respectively connected to the heating chambers 32 on both sides of the outer tank body 30. Specifically, the first circulation assembly 50 and the second circulation assembly 60 circulate the heated water source, enabling the outer tank body 30 to play a heat preservation role.
[0034] Furthermore, as Figure 4 shown, the first circulation assembly 50 includes a first water pump 51, a first circulation pipe 52 and a first connection pipe 53. The first water pump 51 includes a first water inlet end 54, a first water outlet end 55 and a first water return end 56. The first water inlet end 54 is connected to one side of the annular heating tank 40 through the first connection pipe 53, and the first water outlet end 55 and the first water return end 56 are respectively connected to the first circulation pipe 52. Specifically, the heating rod 41 of the annular heating tank 40 heats the water source. At this time, the first water pump 51 takes in the water source through the first water inlet end 54, discharges the water through the first water outlet end 55 into the first circulation pipe 52, and then returns to the first water pump 51 through the first water return end 56. Flowing back and forth like this, the heated water source circulates, improving the heating and heat preservation efficiency.
[0035] Furthermore, as Figure 5 shown, the second circulation assembly 60 includes a second water pump 61, a second circulation pipe 62 and a second connection pipe 63. The second water pump 61 includes a second water inlet end 64, a second water outlet end 65 and a second water return end 66. The second water inlet end 64 is connected to one side of the annular heating tank 40 through the first connection pipe 53, and the second water outlet end 65 and the second water return end 66 are respectively connected to the second circulation pipe 62. Specifically, the heating rod 41 of the annular heating tank 40 heats the water source. At this time, the second water pump 61 takes in the water source through the second water inlet end 64, discharges the water through the second water outlet end 65 into the second circulation pipe 62, and then returns to the second water pump 61 through the second water return end 66. Flowing back and forth like this, the heated water source circulates, improving the heating and heat preservation efficiency.
[0036] Furthermore, as Figure 3 shown, a second discharge pipe 33 is provided at the bottom of the outer tank body 30. The inner wall of the top of the second discharge pipe 33 is provided with a second thread 34, and the second thread 34 is arranged to match the first thread 82. Specifically, through the second thread 34, the first discharge pipe 81 is screwed to the second discharge pipe 33, facilitating the discharge of the polyurethane inside the inner tank body 80 and improving the discharge efficiency.
[0037] Furthermore, as Figure 3 and Figure 4As shown in the figure, the annular heating box 40 is arranged around the second discharge pipe 33. A plurality of water inlet pipes 42 are connected to the bottom of the annular heating box 40 in a communicating manner. The water inlet pipes 42 penetrate through the bottom of the outer tank 30 and are connected to an external water source; a switching valve 43 is provided on the water inlet pipes 42. Specifically, the external water source enters the annular heating box 40 through the water inlet pipes 42, is heated by the heating rods 41, the temperature of the water source is increased, and the water source reciprocally flows through the first circulation assembly 50 and the second circulation assembly 60, realizing the circular motion of the water source and improving the heating and heat preservation efficiency.
[0038] The present utility model is provided with a heat preservation mechanism 10. The heating rods 41 in the annular heating box 40 continuously heat the water source, so that the water source slowly heats up. Then, through the first circulation assembly 50 and the second circulation assembly 60, the water source reciprocally flows between the two sides of the outer tank 30 respectively, playing a heat preservation role inside the outer tank 30, and further playing a heat preservation role for the mixing mechanism 20 arranged in the accommodating cavity 31 of the outer tank 30, improving the heat preservation effect of the present utility model, avoiding the problem that the polyurethane solidifies and is prone to blockage during discharging.
[0039] The above only expresses the preferred technical solutions of the present utility model, and its description is relatively specific and detailed, but it cannot be thus understood as a limitation on the scope of the utility model patent. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present utility model, several modifications and improvements can still be made, and the present utility model also intends to include these modifications and improvements.
Claims
1. A heat preservation and heating device for polyurethane production, characterized in that: It includes a heat preservation mechanism and a mixing mechanism, wherein the heat preservation mechanism is wrapped around the outside of the mixing mechanism; the heat preservation mechanism includes an outer tank body, an annular heating box, a first circulation component and a second circulation component; a accommodating cavity is opened in the middle of the outer tank body, and the mixing mechanism is arranged inside the accommodating cavity; the annular heating box is arranged at the bottom of the accommodating cavity, and a plurality of heating rods are arranged inside the annular heating box; the first circulation component and the second circulation component are respectively connected to both sides of the outer tank body, and the first circulation component and the second circulation component are respectively connected to both sides of the annular heating box.
2. The heat preservation and heating device for polyurethane production according to claim 1, characterized in that: The mixing mechanism includes a stirring component and an inner tank body, wherein the stirring component is connected to the inner tank body, and the inner tank body is arranged inside the accommodating chamber; the stirring component includes a stirring motor, an output wheel, a rotating belt, a transmission wheel, a stirring shaft and a plurality of stirring paddles, wherein the stirring motor is connected to the output wheel, and the output wheel is connected to the transmission wheel through a rotating belt, and the transmission wheel is connected to the stirring shaft, and the plurality of stirring paddles are connected to the stirring shaft, and the stirring shaft and the stirring paddles are respectively arranged inside the inner tank body.
3. The heat preservation and heating device for polyurethane production according to claim 2, characterized in that: The bottom of the inner tank body is connected to a first discharge pipe, and the outer periphery of the bottom of the first discharge pipe is provided with a first thread.
4. The heat preservation and heating device for polyurethane production according to claim 2, characterized in that: The mixing mechanism further comprises a supporting connection assembly, which comprises an upper cover and a bracket. The upper cover is connected to the upper part of the inner tank body, and the bracket is arranged above the upper cover, and the bracket is connected to the stirring assembly.
5. The heat preservation and heating device for polyurethane production according to claim 1, characterized in that: Heating chambers are respectively provided on both sides of the outer tank body, and the first circulation component and the second circulation component are respectively connected to the heating chambers on both sides of the outer tank body.
6. The heat preservation and heating device for polyurethane production according to claim 1, characterized in that: The first circulation component includes a first water pump, a first circulation pipe and a first connecting pipe. The first water pump includes a first water inlet end, a first water outlet end and a first water return end. The first water inlet end is connected to one side of the annular heating box through the first connecting pipe, and the first water outlet end and the first water return end are respectively connected to the first circulation pipe.
7. The heat preservation and heating device for polyurethane production according to claim 1, characterized in that: The second circulation component includes a second water pump, a second circulation pipe and a second connecting pipe. The second water pump includes a second water inlet end, a second water outlet end and a second water return end. The second water inlet end is connected to one side of the annular heating box through the first connecting pipe, and the second water outlet end and the second water return end are respectively connected to the second circulation pipe.
8. The heat preservation and heating device for polyurethane production according to claim 1, characterized in that: A second discharge pipe is provided at the bottom of the outer tank body, and a second thread is provided on the top inner wall of the second discharge pipe. The second thread is matched with the first thread.
9. The heat preservation and heating device for polyurethane production according to claim 1, characterized in that: The annular heating box is arranged at the periphery of the second discharge pipe, and a plurality of water inlet pipes are connected to the bottom of the annular heating box. The water inlet pipes penetrate the bottom of the outer tank body and are connected to an external water source.
10. The heat preservation and heating device for polyurethane production according to claim 9, characterized in that: The water inlet pipe is provided with a switch valve.