CN112876763A - Homemade banana peel graphene PE-RT super-heat-conduction anti-scaling ground heating pipe and preparation method thereof - Google Patents
Homemade banana peel graphene PE-RT super-heat-conduction anti-scaling ground heating pipe and preparation method thereof Download PDFInfo
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Abstract
The invention relates to the technical field of floor heating pipes, and discloses a self-made banana peel graphene PE-RT super-heat-conduction antiscale floor heating pipe which comprises an outer heat conduction layer and an inner antiscale layer, wherein the outer heat conduction layer is prepared from the following raw materials in parts by mass: 100 parts of PE-RT resin and 10-25 parts of self-made banana peel graphene, wherein the inner scale prevention layer is prepared from the following raw materials in parts by mass: 100 parts of PE-RT resin and surface modified nano TiO21-2 parts of antibacterial agent and 0.3-0.5 part of antibacterial agentThe biomass graphene with stable performance, namely the banana peel graphene, is prepared by activating banana peel in an inert atmosphere and adopting a microwave oxidation-reduction technology, and then the banana peel graphene is blended with a common PE-RT resin raw material to be used as an outer heat conduction layer of the super-heat-conduction anti-scaling floor heating pipe, so that the heat conduction effect of the super-heat-conduction anti-scaling floor heating pipe can be greatly improved compared with that of the common PE-RT heat-conduction floor heating pipe.
Description
Technical Field
The invention relates to the technical field of ground heating pipes, in particular to a self-made banana peel graphene PE-RT super-heat-conduction anti-scaling ground heating pipe and a preparation method thereof.
Background
The common PE-RT pipe has good flexibility, high strength, strong impact resistance and good heat resistance, but the heat-conducting property of the common PE-RT pipe can not meet the daily life requirement of people when being used as a novel material of a super-heat-conducting ground heating pipe. With the intensive research on graphene in recent years, the graphene has excellent heat-conducting property, can be dispersed in a PE-RT pipe by a certain dispersing means, and has greatly improved heat-conducting property. However, graphene produced in the current market is expensive and unstable in quality, so that application of the PE-RT graphene super-heat-conduction ground heating pipe is greatly challenged, and therefore a self-made banana peel graphene PE-RT super-heat-conduction anti-scaling ground heating pipe and a preparation method thereof are provided.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a self-made banana peel graphene PE-RT super-heat-conduction antiscale floor heating pipe and a preparation method thereof, and aims to solve the problems in the background art.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the self-made banana peel graphene PE-RT super-heat-conduction antiscale floor heating pipe comprises an outer heat conduction layer and an inner antiscale layer, wherein the outer heat conduction layer is made of the following raw materials in parts by mass: 100 parts of PE-RT resin and 10-25 parts of self-made banana peel graphene, wherein the inner scale prevention layer is prepared from the following raw materials in parts by mass: 100 parts of PE-RT resin and surface modified nano TiO21-2 parts of antibacterial agent, 0.3-0.5 part of color master batch.
Preferably, the self-made banana peel graphene is prepared by cleaning collected banana peel with clear water, soaking the banana peel in a nitrate solution with the concentration of 1mol/L for more than 6 hours, taking out the banana peel, drying the banana peel in an oven at 80 ℃, grinding the dried banana peel into powder by a grinder, and adding NaOH and N in a mass ratio of 2%2Atmospheric conditionsAnd (3) putting the mixture into a 800 ℃ tube furnace for oxidation for 2h to obtain graphite oxide, and putting the obtained graphite oxide into a 1500 ℃ microwave heating furnace for reduction for 1h to obtain the self-made banana peel graphene.
Preferably, surface-modified nano TiO2Is surface modified nano TiO prepared by a sol-gel method2Measuring 10ml of butyl titanate at room temperature, slowly dripping the butyl titanate into 35ml of absolute ethyl alcohol, stirring for 10min, standing to form a yellow clear solution, mixing 2ml of glacial acetic acid with 10ml of absolute ethyl alcohol, violently stirring to obtain a transparent solution, dripping hydrochloric acid to adjust the pH value to 3, dripping the yellow clear solution into the transparent solution under the condition of violent stirring in a room-temperature water bath to obtain a light yellow solution, stirring and heating in a 40 ℃ water bath for 1h to obtain white gel, drying the gel at 80 ℃, and performing heat treatment at 600 ℃ for 2h to obtain white nano TiO2Powder, and finally obtaining white nano TiO2Mixing and stirring the powder and sodium dodecyl sulfate for 40min, and drying to obtain the surface modified nano TiO2The antibacterial agent is prepared by dissolving silver nitrate and triazole biphenyl dimethyl acid in a mass ratio of 1:1 into DMF solution, blending and stirring for 5min at room temperature, then placing the solution into a 180 ℃ temperature control box, reacting for 2h by a solvent bath method to obtain an organic coordination polymer of Ag, and drying the obtained organic coordination polymer at 60 ℃ to obtain the required antibacterial agent.
A preparation method of a self-made banana peel graphene PE-RT super-heat-conduction antiscale floor heating pipe comprises the following steps:
s1, mixing 100 parts of PE-RT resin, 20 parts of self-made banana peel graphene and a small amount of diffusion oil for 10-15 min at a rotating speed of 400-500 r/min through a high-speed mixer, and uniformly mixing the raw materials to obtain a mixture;
s2, extruding and granulating the mixture mixed in the step A into a super-heat-conduction colored material for later use through a granulator at the rotating speed of 400-450 r/min and the temperature of 170-185 ℃;
s3, mixing 100 parts of PE-RT resin and 1 part of surface modified nano TiO20.5 part of antibacterial agent and 1 part of color master are mixed for 10-15 min by a high-speed mixer at the rotating speed of 400-500 r/min, and the raw materials are uniformly mixedObtaining a mixture;
s4, extruding and granulating the mixture mixed in the step C into an anti-scale layer pigment for later use through a granulator at the rotating speed of 400-450 r/min and the temperature of 170-185 ℃;
and S5, co-extruding the super heat conductive pigment granulated in the step B as an outer layer and the anti-scaling layer pigment granulated in the step D as an inner layer by a double-screw extruder at the temperature of 190-230 ℃ to prepare the PE-RT super heat conductive anti-scaling floor heating pipe.
Preferably, the double-screw extruder comprises a bottom plate, the top of the bottom plate is fixedly connected with a shell, the left side of the shell is provided with an opening, the right side of the shell is fixedly connected with a first motor, a screw is arranged in the shell and fixedly connected with an output end of the first motor, the right side of the top of the shell is provided with a feeding pipe, the feeding pipe is communicated with the shell, a first partition plate is arranged at a middle shaft in the feeding pipe and is vertically arranged, rotating blades are arranged at the left end and the right end of the first partition plate, a partition plate is arranged in the feeding pipe, the top of the partition plate is fixedly connected with the bottom of the first partition plate, the partition plate is arranged in a W shape, two leakage holes are formed in the bottom of the partition plate, two ends of the bottom of the partition plate are fixedly connected with, two branch is equallyd divide and is do not run through two backup pads and extend to two backup pads outsidess, two the branch outside all overlaps there is the spring, two one side that branch is close to each other all is provided with baffle two, two divide equally at two tops of baffle respectively with division board bottom fixed connection.
Preferably, the outer surface of one end of the screw rod, which is far away from the first motor, is sleeved with a connecting sleeve, the connecting sleeve is rotatably connected with the screw rod, a supporting rod is fixedly connected to the top of the connecting sleeve, and one end of the supporting rod, which is far away from the connecting sleeve, is fixedly connected with the shell.
Preferably, the back of the feeding pipe is fixedly connected with a second motor, and the second motor is fixedly connected with the two rotating blades respectively.
Preferably, the bottoms of the two fixed seats are both horizontally arranged.
Preferably, two the backup pad is the level setting, two the one end that the backup pad was kept away from each other is equallyd divide and is do not with inlet pipe inner wall fixed connection.
Preferably, the tops of the two springs are respectively contacted with the bottoms of the two fixed seats, and the bottoms of the two springs are respectively contacted with the tops of the two supporting plates.
Compared with the prior art, the invention provides the self-made banana peel graphene PE-RT super-heat-conduction anti-scaling ground heating pipe and the preparation method thereof, and the self-made banana peel graphene PE-RT super-heat-conduction anti-scaling ground heating pipe has the following beneficial effects:
1. according to the invention, the banana peel is activated in an inert atmosphere, and then the biomass graphene with stable performance, namely the banana peel graphene, is prepared by adopting a microwave oxidation-reduction technology, and then the banana peel graphene is blended with a common PE-RT resin raw material to be used as an outer heat conduction layer of the super-conduction anti-scale floor heating pipe, so that the heat conduction effect of the prepared super-conduction anti-scale floor heating pipe is greatly improved compared with that of the common PE-RT heat conduction floor heating pipe.
2. The invention uses the surface modified nanometer TiO2 and the antibacterial agent to blend with the common PE-RT resin raw material as the inner layer anti-scaling layer of the super heat conduction anti-scaling floor heating pipe, the surface modified nanometer TiO22The compactness of the PE-RT pipe can be improved, the hydrophobic property of the pipe is improved to a certain extent, the gathering probability of water molecules on the surface of the pipe is reduced, and the scale is not easy to scale so as to improve the scale prevention property of the pipe. Meanwhile, the addition of the antibacterial agent can prevent bacteria from breeding and scaling, and enhance the light resistance and the ageing resistance of the pipe. The PE-RT super-heat-conduction anti-scaling floor heating pipe has the advantages of simple process and lower cost. Meanwhile, the reasonable utilization of the banana peel waste is beneficial to environmental protection and energy conservation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a back view of the feed tube of the present invention;
FIG. 3 is an enlarged view of A of FIG. 1 according to the present invention.
In the figure: the device comprises a base plate 1, a shell 2, a motor I3, a screw rod 4, a connecting sleeve 5, a supporting rod 6, a feeding pipe 7, a partition plate I8, a partition plate 9, a rotating blade 10, a motor II 11, a leak hole 12, a fixed seat 13, a supporting rod 14, a supporting plate 15, a spring 16 and a partition plate II 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
The first embodiment is as follows:
referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a self-control banana peel graphite alkene PE-RT super heat conduction scale control ground heating coil, includes outer heat-conducting layer and inlayer scale control layer, and outer heat-conducting layer is made by the raw materials of following parts by mass: 100 parts of PE-RT resin and 10 parts of self-made banana peel graphene, wherein the self-made banana peel graphene is prepared by cleaning collected banana peel with clear water, soaking the banana peel in a nitrate solution with the concentration of 1mol/L for more than 6 hours, taking out the banana peel, drying the banana peel in an oven at 80 ℃, grinding the dried banana peel into powder by using a grinder, and adding 2% of NaOH and N in mass ratio2The method comprises the following steps of putting the banana peel into a 800 ℃ tube furnace under an atmosphere condition, oxidizing for 2 hours to obtain graphite oxide, putting the obtained graphite oxide into a 1500 ℃ microwave heating furnace, reducing for 1 hour to obtain self-made banana peel graphene, activating the banana peel under an inert atmosphere, preparing biomass graphene with stable performance, namely banana peel graphene, by adopting a microwave oxidation-reduction technology, and then blending the banana peel graphene with a common PE-RT resin raw material to be used as an outer heat conduction layer of the super-heat conduction anti-scaling floor heating pipe, wherein the heat conduction effect of the super-heat conduction anti-scaling floor heating pipe can be greatly improved compared with that of the common PE-RT heat conduction floor heating pipe, and the inner anti-scaling layer is prepared from the following raw materials in parts by mass: 100 parts of PE-RT resin and surface modified nano TiO21 part, 0.3 part of antibacterial agent, 1 part of color master batch and surface modified nano TiO2Surface modification made by sol-gel methodNano TiO22Measuring 10ml of butyl titanate at room temperature, slowly dripping the butyl titanate into 35ml of absolute ethyl alcohol, stirring for 10min, standing to form a yellow clear solution, mixing 2ml of glacial acetic acid with 10ml of absolute ethyl alcohol, violently stirring to obtain a transparent solution, dripping hydrochloric acid to adjust the pH value to 3, dripping the yellow clear solution into the transparent solution under the condition of violent stirring in a room-temperature water bath to obtain a light yellow solution, stirring and heating in a 40 ℃ water bath for 1h to obtain white gel, drying the gel at 80 ℃, and performing heat treatment at 600 ℃ for 2h to obtain white nano TiO2Powder, and finally obtaining white nano TiO2Mixing and stirring the powder and sodium dodecyl sulfate for 40min, and drying to obtain the surface modified nano TiO2The surface modified nano TiO2 and the antibacterial agent are blended with the common PE-RT resin raw material to be used as the inner anti-scaling layer of the super-heat-conduction anti-scaling floor heating pipe, and the surface modified nano TiO2 and the common PE-RT resin raw material are blended to be used as the inner anti-scaling layer of the super-heat-conduction anti-scaling floor heating pipe2The compactness of the PE-RT pipe can be improved, the hydrophobic property of the pipe is improved to a certain extent, the gathering probability of water molecules on the surface of the pipe is reduced, and scaling is not easy to occur to improve the scale prevention performance of the pipe, the antibacterial agent is prepared by dissolving silver nitrate and triazole biphenyl dimethyl acid with the mass ratio of 1:1 into a DMF solution, blending and stirring for 5min at room temperature, then putting the mixture into a 180 ℃ temperature control box, reacting for 2h by a solvent bath method to obtain an organic coordination polymer of Ag, drying the obtained organic coordination polymer at 60 ℃ to obtain the required antibacterial agent, and adding the antibacterial agent can prevent bacteria from breeding and scaling, and enhance the illumination resistance and ageing resistance of the pipe. The PE-RT super-heat-conduction anti-scaling floor heating pipe has the advantages of simple process and lower cost. Meanwhile, the reasonable utilization of the banana peel waste is beneficial to environmental protection and energy conservation.
A preparation method of a self-made banana peel graphene PE-RT super-heat-conduction antiscale floor heating pipe comprises the following steps:
s1, mixing 100 parts of PE-RT resin, 20 parts of self-made banana peel graphene and a small amount of diffusion oil for 10-15 min at a rotating speed of 400-500 r/min through a high-speed mixer, and uniformly mixing the raw materials to obtain a mixture;
s2, extruding and granulating the mixture mixed in the step A into a super-heat-conduction colored material for later use through a granulator at the rotating speed of 400-450 r/min and the temperature of 170-185 ℃;
s3, mixing 100 parts of PE-RT resin and 1 part of surface modified nano TiO20.5 part of antibacterial agent and 1 part of color master are mixed for 10-15 min by a high-speed mixer at the rotating speed of 400-500 r/min, and the raw materials are uniformly mixed to obtain a mixture;
s4, extruding and granulating the mixture mixed in the step C into an anti-scale layer pigment for later use through a granulator at the rotating speed of 400-450 r/min and the temperature of 170-185 ℃;
s5, co-extruding the super-heat-conduction pigment granulated in the step B as an outer layer and the pigment granulated in the step D as an inner layer by using a double-screw extruder at the temperature of 190-230 ℃ to prepare the PE-RT super-heat-conduction anti-scaling ground heating pipe, wherein the double-screw extruder comprises a bottom plate 1, the top of the bottom plate 1 is fixedly connected with a shell 2, the left side of the shell 2 is provided with an opening, the right side of the shell 2 is fixedly connected with a motor I3, a screw rod 4 is arranged in the shell 2, the outer surface of one end, far away from the motor I3, of the screw rod 4 is sleeved with a connecting sleeve 5, the connecting sleeve 5 is rotatably connected with the screw rod 4, the top of the connecting sleeve 5 is fixedly connected with a supporting rod 6, one end, far away from the connecting sleeve 5, of the supporting rod 6 is fixedly connected with the shell, the two motors II 11 are respectively fixedly connected with the two rotating blades 10, the feeding pipe 7 is communicated with the shell 2, a first partition plate 8 is arranged at the middle shaft in the feeding pipe 7, the first partition plate 8 is vertically arranged, the rotating blades 10 are respectively arranged at the left end and the right end of the first partition plate 8, a partition plate 9 is arranged in the feeding pipe 7, the top of the partition plate 9 is fixedly connected with the bottom of the first partition plate 8, the partition plate 9 is in a W-shaped arrangement, two leak holes 12 are formed in the bottom of the partition plate 9, fixing seats 13 are respectively and fixedly connected with the two ends of the bottom of the partition plate 9, the bottoms of the two fixing seats 13 are both horizontally arranged, supporting rods 14 are respectively and fixedly connected with the bottoms of the two fixing seats 13, two supporting plates 15 are respectively and horizontally arranged in the feeding pipe 7, one ends, away from each other, of the two supporting, two 14 outside covers of branch have spring 16, and two 16 tops of spring equally divide do not contact with two fixing bases 13 bottoms, and two 16 bottoms of spring equally divide do not contact with 15 tops of two backup pads, and one side that two branch 14 are close to each other all is provided with baffle two 17, and two 17 tops of baffle are equally divided do not with division board 9 bottom fixed connection.
Example two:
referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a self-control banana peel graphite alkene PE-RT super heat conduction scale control ground heating coil, includes outer heat-conducting layer and inlayer scale control layer, and outer heat-conducting layer is made by the raw materials of following parts by mass: 100 parts of PE-RT resin and 25 parts of self-made banana peel graphene, wherein the self-made banana peel graphene is prepared by cleaning collected banana peel with clear water, soaking the banana peel in a nitrate solution with the concentration of 1mol/L for more than 6 hours, taking out the banana peel, drying the banana peel in an oven at 80 ℃, grinding the dried banana peel into powder by using a grinder, and adding 2% of NaOH and N in mass ratio2The method comprises the following steps of putting the banana peel into a 800 ℃ tube furnace under an atmosphere condition, oxidizing for 2 hours to obtain graphite oxide, putting the obtained graphite oxide into a 1500 ℃ microwave heating furnace, reducing for 1 hour to obtain self-made banana peel graphene, activating the banana peel under an inert atmosphere, preparing biomass graphene with stable performance, namely banana peel graphene, by adopting a microwave oxidation-reduction technology, and then blending the banana peel graphene with a common PE-RT resin raw material to be used as an outer heat conduction layer of the super-heat conduction anti-scaling floor heating pipe, wherein the heat conduction effect of the super-heat conduction anti-scaling floor heating pipe can be greatly improved compared with that of the common PE-RT heat conduction floor heating pipe, and the inner anti-scaling layer is prepared from the following raw materials in parts by mass: 100 parts of PE-RT resin and surface modified nano TiO22 parts of antibacterial agent 0.5 part of color master batch, and surface modified nano TiO2Is surface modified nano TiO prepared by a sol-gel method2Measuring 10ml of butyl titanate at room temperature, slowly dripping the butyl titanate into 35ml of absolute ethyl alcohol, stirring for 10min, standing to form a yellow clear solution, mixing 2ml of glacial acetic acid with 10ml of absolute ethyl alcohol, violently stirring to obtain a transparent solution, dripping hydrochloric acid to adjust the pH value to 3, dripping the yellow clear solution into the transparent solution under the condition of violent stirring in a room-temperature water bath to obtain a light yellow solution, stirring and heating in a 40 ℃ water bath for 1h to obtain white gel, and heating for 1h to obtain the white gelDrying the gel at 80 ℃, and then carrying out heat treatment at 600 ℃ for 2h to obtain white nano TiO2Powder, and finally obtaining white nano TiO2Mixing and stirring the powder and sodium dodecyl sulfate for 40min, and drying to obtain the surface modified nano TiO2The surface modified nano TiO2 and the antibacterial agent are blended with the common PE-RT resin raw material to be used as the inner anti-scaling layer of the super-heat-conduction anti-scaling floor heating pipe, and the surface modified nano TiO2 and the common PE-RT resin raw material are blended to be used as the inner anti-scaling layer of the super-heat-conduction anti-scaling floor heating pipe2The compactness of the PE-RT pipe can be improved, the hydrophobic property of the pipe is improved to a certain extent, the gathering probability of water molecules on the surface of the pipe is reduced, scaling is not easy to occur, and the scale prevention performance of the pipe is improved. The PE-RT super-heat-conduction anti-scaling floor heating pipe has the advantages of simple process and lower cost. Meanwhile, the reasonable utilization of the banana peel waste is beneficial to environmental protection and energy conservation.
A preparation method of a self-made banana peel graphene PE-RT super-heat-conduction antiscale floor heating pipe comprises the following steps:
s1, mixing 100 parts of PE-RT resin, 20 parts of self-made banana peel graphene and a small amount of diffusion oil for 10-15 min at a rotating speed of 400-500 r/min through a high-speed mixer, and uniformly mixing the raw materials to obtain a mixture;
s2, extruding and granulating the mixture mixed in the step A into a super-heat-conduction colored material for later use through a granulator at the rotating speed of 400-450 r/min and the temperature of 170-185 ℃;
s3, mixing 100 parts of PE-RT resin and 1 part of surface modified nano TiO20.5 part of antibacterial agent and 1 part of color master are mixed for 10-15 min by a high-speed mixer at the rotating speed of 400-500 r/min, and the raw materials are uniformly mixed to obtain a mixture;
s4, extruding and granulating the mixture mixed in the step C into an anti-scale layer pigment for later use through a granulator at the rotating speed of 400-450 r/min and the temperature of 170-185 ℃;
s5, co-extruding the super-heat-conduction pigment granulated in the step B as an outer layer and the pigment granulated in the step D as an inner layer by using a double-screw extruder at the temperature of 190-230 ℃ to prepare the PE-RT super-heat-conduction anti-scaling ground heating pipe, wherein the double-screw extruder comprises a bottom plate 1, the top of the bottom plate 1 is fixedly connected with a shell 2, the left side of the shell 2 is provided with an opening, the right side of the shell 2 is fixedly connected with a motor I3, a screw rod 4 is arranged in the shell 2, the outer surface of one end, far away from the motor I3, of the screw rod 4 is sleeved with a connecting sleeve 5, the connecting sleeve 5 is rotatably connected with the screw rod 4, the top of the connecting sleeve 5 is fixedly connected with a supporting rod 6, one end, far away from the connecting sleeve 5, of the supporting rod 6 is fixedly connected with the shell, the two motors II 11 are respectively fixedly connected with the two rotating blades 10, the feeding pipe 7 is communicated with the shell 2, a first partition plate 8 is arranged at the middle shaft in the feeding pipe 7, the first partition plate 8 is vertically arranged, the rotating blades 10 are respectively arranged at the left end and the right end of the first partition plate 8, a partition plate 9 is arranged in the feeding pipe 7, the top of the partition plate 9 is fixedly connected with the bottom of the first partition plate 8, the partition plate 9 is in a W-shaped arrangement, two leak holes 12 are formed in the bottom of the partition plate 9, fixing seats 13 are respectively and fixedly connected with the two ends of the bottom of the partition plate 9, the bottoms of the two fixing seats 13 are both horizontally arranged, supporting rods 14 are respectively and fixedly connected with the bottoms of the two fixing seats 13, two supporting plates 15 are respectively and horizontally arranged in the feeding pipe 7, one ends, away from each other, of the two supporting, two 14 outside covers of branch have spring 16, and two 16 tops of spring equally divide do not contact with two fixing bases 13 bottoms, and two 16 bottoms of spring equally divide do not contact with 15 tops of two backup pads, and one side that two branch 14 are close to each other all is provided with baffle two 17, and two 17 tops of baffle are equally divided do not with division board 9 bottom fixed connection.
The theory of operation through starter motor 11, makes motor 11 drive rotating vane 10 rotate, conveniently breaks up the inlayer material and the outer material of ground heating coil, avoids plugging up small opening 12, through setting up spring 16, can make division board 9 can shake to further make things convenient for the material to get into casing 2, through starting 03, can prepare out the geothermal pipe altogether.
In conclusion, the biomass graphene with stable performance, namely the banana peel graphene, is prepared by activating banana peel in an inert atmosphere and adopting a microwave oxidation-reduction technology, and then the banana peel graphene is blended with a common PE-RT resin raw material to be used as an outer heat conduction layer of the super-heat conduction anti-scaling floor heating pipe, so that the heat conduction effect of the super-heat conduction anti-scaling floor heating pipe can be greatly improved compared with that of the common PE-RT heat conduction floor heating pipe, the nano TiO2 with modified surface and an antibacterial agent are blended with the common PE-RT resin raw material to be used as an inner anti-scaling layer of the super-heat conduction anti-scaling floor heating pipe, and the nano TiO2 with modified surface and the antibacterial agent2The compactness of the PE-RT pipe can be improved, the hydrophobic property of the pipe is improved to a certain extent, the gathering probability of water molecules on the surface of the pipe is reduced, and the scale is not easy to scale so as to improve the scale prevention property of the pipe. Meanwhile, the addition of the antibacterial agent can prevent bacteria from breeding and scaling, and enhance the light resistance and the ageing resistance of the pipe. The PE-RT super-heat-conduction anti-scaling floor heating pipe has the advantages of simple process and lower cost. Meanwhile, the reasonable utilization of the banana peel waste is beneficial to environmental protection and energy conservation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a self-control banana skin graphite alkene PE-RT super heat conduction scale control ground heating coil which characterized in that: the scale-proof heat-conducting layer comprises an outer heat-conducting layer and an inner scale-proof layer, wherein the outer heat-conducting layer is prepared from the following raw materials in parts by mass: 100 parts of PE-RT resin and 10-25 parts of self-made banana peel graphene, wherein the inner scale prevention layer is prepared from the following raw materials in parts by mass: 100 parts of PE-RT resin and surface modified nano TiO21-2 parts of antibacterial agent, 0.3-0.5 part of color master batch.
2. The self-made banana peel graphene PE-RT super heat-conduction antiscale floor heating pipe according to claim 1, which is characterized in that: the self-made banana peel graphene is prepared by cleaning collected banana peel with clear water, soaking the banana peel in a nitrate solution with the concentration of 1mol/L for more than 6 hours, taking out the banana peel, drying the banana peel in an oven at 80 ℃, grinding the dried banana peel into powder by a grinder, and adding NaOH and N in a mass ratio of 2%2And (3) placing the mixture into a 800 ℃ tube furnace under the atmosphere condition for oxidation for 2h to obtain graphite oxide, and placing the obtained graphite oxide into a 1500 ℃ microwave heating furnace for reduction for 1h to obtain the self-made banana peel graphene.
3. The self-made banana peel graphene PE-RT super heat-conduction antiscale floor heating pipe according to claim 1, which is characterized in that: the surface modified nano TiO2Is surface modified nano TiO prepared by a sol-gel method2Measuring 10ml of butyl titanate at room temperature, slowly dripping the butyl titanate into 35ml of absolute ethyl alcohol, stirring for 10min, standing to form a yellow clear solution, mixing 2ml of glacial acetic acid with 10ml of absolute ethyl alcohol, violently stirring to obtain a transparent solution, dripping hydrochloric acid to adjust the pH value to 3, dripping the yellow clear solution into the transparent solution under the condition of violent stirring in a room-temperature water bath to obtain a light yellow solution, stirring and heating in a 40 ℃ water bath for 1h to obtain white gel, drying the gel at 80 ℃, and performing heat treatment at 600 ℃ for 2h to obtain white nano TiO2Powder, and finally obtaining white nano TiO2Mixing and stirring the powder and sodium dodecyl sulfate for 40min, and drying to obtain the surface modified nano TiO2The antibacterial agent is prepared by dissolving silver nitrate and triazole biphenyl dimethyl acid in a mass ratio of 1:1 into DMF solution, blending and stirring for 5min at room temperature, then placing the solution into a 180 ℃ temperature control box, reacting for 2h by a solvent bath method to obtain an organic coordination polymer of Ag, and drying the obtained organic coordination polymer at 60 ℃ to obtain the required antibacterial agent.
4. The preparation method of the self-made banana peel graphene PE-RT super-heat-conduction antiscale floor heating pipe is characterized by comprising the following steps of:
s1, mixing 100 parts of PE-RT resin, 20 parts of self-made banana peel graphene and a small amount of diffusion oil for 10-15 min at a rotating speed of 400-500 r/min through a high-speed mixer, and uniformly mixing the raw materials to obtain a mixture;
s2, extruding and granulating the mixture mixed in the step A into a super-heat-conduction colored material for later use through a granulator at the rotating speed of 400-450 r/min and the temperature of 170-185 ℃;
s3, mixing 100 parts of PE-RT resin and 1 part of surface modified nano TiO20.5 part of antibacterial agent and 1 part of color master are mixed for 10-15 min by a high-speed mixer at the rotating speed of 400-500 r/min, and the raw materials are uniformly mixed to obtain a mixture;
s4, extruding and granulating the mixture mixed in the step C into an anti-scale layer pigment for later use through a granulator at the rotating speed of 400-450 r/min and the temperature of 170-185 ℃;
and S5, co-extruding the super heat conductive pigment granulated in the step B as an outer layer and the anti-scaling layer pigment granulated in the step D as an inner layer by a double-screw extruder at the temperature of 190-230 ℃ to prepare the PE-RT super heat conductive anti-scaling floor heating pipe.
5. The preparation method of the self-made banana peel graphene PE-RT super-heat-conduction antiscale floor heating pipe according to claim 4, which is characterized by comprising the following steps: the double-screw extruder comprises a bottom plate (1), a shell (2) is fixedly connected to the top of the bottom plate (1), the left side of the shell (2) is provided with an opening, a first motor (3) is fixedly connected to the right side of the shell (2), a screw (4) is arranged in the shell (2), the screw (4) is fixedly connected with the output end of the first motor (3), an inlet pipe (7) is arranged on the right side of the top of the shell (2), the inlet pipe (7) is communicated with the shell (2), a first partition plate (8) is arranged at the middle shaft in the inlet pipe (7), the first partition plate (8) is vertically arranged, rotating blades (10) are arranged at the left end and the right end of the first partition plate (8), a partition plate (9) is arranged in the inlet pipe (7), the top of the partition plate (9) is fixedly connected with the bottom of the first partition plate (8), and, division board (9) bottom has been seted up two small openings (12), division board (9) bottom both ends equal fixedly connected with fixing base (13), two fixing base (13) bottom equal fixedly connected with branch (14), inlet pipe (7) inside is provided with two backup pads (15), two branch (14) are equallyd divide and do not run through two backup pads (15) and extend to two backup pads (15) outsidely, two branch (14) outside all overlaps there is spring (16), two one side that branch (14) are close to each other all is provided with baffle two (17), two divide equally at baffle two (17) top respectively with division board (9) bottom fixed connection.
6. The preparation method of the self-made banana peel graphene PE-RT super-heat-conduction antiscale floor heating pipe according to claim 4, which is characterized by comprising the following steps: the outer surface of one end that motor (3) were kept away from in screw rod (4) has adapter sleeve (5), adapter sleeve (5) rotate with screw rod (4) to be connected, adapter sleeve (5) top fixedly connected with branch (6), the one end and casing (2) fixed connection of adapter sleeve (5) are kept away from in branch (6).
7. The preparation method of the self-made banana peel graphene PE-RT super-heat-conduction antiscale floor heating pipe according to claim 4, which is characterized by comprising the following steps: the back of the feeding pipe (7) is fixedly connected with two motors II (11), and the two motors II (11) are respectively fixedly connected with the two rotating blades (10).
8. The preparation method of the self-made banana peel graphene PE-RT super-heat-conduction antiscale floor heating pipe according to claim 4, which is characterized by comprising the following steps: the bottoms of the two fixed seats (13) are both horizontally arranged.
9. The preparation method of the self-made banana peel graphene PE-RT super-heat-conduction antiscale floor heating pipe according to claim 4, which is characterized by comprising the following steps: two backup pad (15) are the level setting, two the one end that backup pad (15) kept away from each other is equallyd divide respectively with inlet pipe (7) inner wall fixed connection.
10. The preparation method of the self-made banana peel graphene PE-RT super-heat-conduction antiscale floor heating pipe according to claim 4, which is characterized by comprising the following steps: the tops of the two springs (16) are respectively in contact with the bottoms of the two fixed seats (13), and the bottoms of the two springs (16) are respectively in contact with the tops of the two supporting plates (15).
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107187114A (en) * | 2017-05-31 | 2017-09-22 | 爱康企业集团(上海)有限公司 | A kind of good antiscale property type floor heating pipe and preparation method thereof |
| CN206577871U (en) * | 2017-02-20 | 2017-10-24 | 武汉格林恒升生物科技有限公司 | A kind of raw material of shock reducing type food processing crushes and screens equipment |
| CN107352529A (en) * | 2017-08-14 | 2017-11-17 | 华南理工大学 | A kind of method for preparing grapheme material using discarded object banana skin for raw material |
| CN208715670U (en) * | 2018-08-17 | 2019-04-09 | 浙江维康药业股份有限公司 | A kind of blanking device of automatic particle packing machine |
| CN110143613A (en) * | 2019-06-03 | 2019-08-20 | 信阳学院 | A kind of Nano titanium dioxide powder preparation method |
-
2021
- 2021-01-13 CN CN202110041047.2A patent/CN112876763A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206577871U (en) * | 2017-02-20 | 2017-10-24 | 武汉格林恒升生物科技有限公司 | A kind of raw material of shock reducing type food processing crushes and screens equipment |
| CN107187114A (en) * | 2017-05-31 | 2017-09-22 | 爱康企业集团(上海)有限公司 | A kind of good antiscale property type floor heating pipe and preparation method thereof |
| CN107352529A (en) * | 2017-08-14 | 2017-11-17 | 华南理工大学 | A kind of method for preparing grapheme material using discarded object banana skin for raw material |
| CN208715670U (en) * | 2018-08-17 | 2019-04-09 | 浙江维康药业股份有限公司 | A kind of blanking device of automatic particle packing machine |
| CN110143613A (en) * | 2019-06-03 | 2019-08-20 | 信阳学院 | A kind of Nano titanium dioxide powder preparation method |
Non-Patent Citations (1)
| Title |
|---|
| 杨媛媛: "新型多核银光催化配合物及其光降解有机污染物的研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》, pages 027 - 721 * |
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